diff --git a/.travis.yml b/.travis.yml
index a9f4ddfb441e17f282d9d488239cb5d3fdd5578f..3166ed78342952aff8588a4a35dcee28ccd885ad 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -70,8 +70,23 @@ matrix:
               - p7zip-full
               - gcc-7
           compiler: gcc-7
-          env: WFLAGS="-Wno-tautological-compare -Wno-error=implicit-fallthrough -Wimplicit-fallthrough=3"
+          env: WFLAGS="-Wno-tautological-compare -Wno-error=implicit-fallthrough -Wno-implicit-fallthrough"
           #gcc-7 (Ubuntu 7.2.0-1ubuntu1~14.04) 7.2.0 20170802
+        - os: linux
+          addons:
+            apt:
+              sources:
+              - ubuntu-toolchain-r-test
+              packages:
+              - libsdl2-mixer-dev
+              - libpng-dev
+              - libgl1-mesa-dev
+              - libgme-dev
+              - p7zip-full
+              - gcc-8
+          compiler: gcc-8
+          env: WFLAGS="-Wno-tautological-compare -Wno-error=implicit-fallthrough -Wno-implicit-fallthrough -Wno-error=format-overflow"
+          #gcc-8 (Ubuntu 7.2.0-1ubuntu1~14.04) 8.1.0
         - os: linux
           compiler: clang
           #clang version 3.5.0 (tags/RELEASE_350/final)
@@ -212,6 +227,7 @@ matrix:
       - compiler: clang-3.9
       - compiler: clang-4.0
       - compiler: clang-5.0
+      - compiler: gcc-8
 
 cache:
   apt: true
diff --git a/README.md b/README.md
index d16071454876bc178222e778ca7c20f63821bb97..7d92ab303fe06f475738b63b66bbb041f81bdbbb 100644
--- a/README.md
+++ b/README.md
@@ -13,8 +13,6 @@
 - libupnp (Linux/OS X only)
 - libgme (Linux/OS X only)
 
-Warning: 64-bit builds are not netgame compatible with 32-bit builds. Use at your own risk.
-
 ## Compiling
 
 See [SRB2 Wiki/Source code compiling](http://wiki.srb2.org/wiki/Source_code_compiling)
diff --git a/SRB2.cbp b/SRB2.cbp
index 74ec96c6eeb8b0ee22b6260e883bc2d421bc57ad..5aa623fa89cca8f03a1eee2100b926be3f2a7fb4 100644
--- a/SRB2.cbp
+++ b/SRB2.cbp
@@ -1174,6 +1174,39 @@ HW3SOUND for 3D hardware sound  support
 			<Option target="Debug Mingw64/DirectX" />
 			<Option target="Release Mingw64/DirectX" />
 		</Unit>
+		<Unit filename="src/hardware/hw_clip.c">
+			<Option compilerVar="CC" />
+			<Option target="Debug Native/SDL" />
+			<Option target="Release Native/SDL" />
+			<Option target="Debug Mingw/SDL" />
+			<Option target="Release Mingw/SDL" />
+			<Option target="Debug Mingw/DirectX" />
+			<Option target="Release Mingw/DirectX" />
+			<Option target="Debug Any/Dummy" />
+			<Option target="Release Any/Dummy" />
+			<Option target="Debug Linux/SDL" />
+			<Option target="Release Linux/SDL" />
+			<Option target="Debug Mingw64/SDL" />
+			<Option target="Release Mingw64/SDL" />
+			<Option target="Debug Mingw64/DirectX" />
+			<Option target="Release Mingw64/DirectX" />
+		</Unit>
+		<Unit filename="src/hardware/hw_clip.h">
+			<Option target="Debug Native/SDL" />
+			<Option target="Release Native/SDL" />
+			<Option target="Debug Mingw/SDL" />
+			<Option target="Release Mingw/SDL" />
+			<Option target="Debug Mingw/DirectX" />
+			<Option target="Release Mingw/DirectX" />
+			<Option target="Debug Any/Dummy" />
+			<Option target="Release Any/Dummy" />
+			<Option target="Debug Linux/SDL" />
+			<Option target="Release Linux/SDL" />
+			<Option target="Debug Mingw64/SDL" />
+			<Option target="Release Mingw64/SDL" />
+			<Option target="Debug Mingw64/DirectX" />
+			<Option target="Release Mingw64/DirectX" />
+		</Unit>
 		<Unit filename="src/hardware/hw_data.h">
 			<Option target="Debug Native/SDL" />
 			<Option target="Release Native/SDL" />
diff --git a/assets/.gitignore b/assets/.gitignore
index 37bb465dc2db82f22a8bfeacbcde73069b7eb711..9ed61ca1ad2a899cddaa9311c3c0425e54cc68c5 100644
--- a/assets/.gitignore
+++ b/assets/.gitignore
@@ -1,2 +1,5 @@
 *
 *.*
+!README.txt
+!LICENSE.txt
+!LICENSE-3RD-PARTY.txt
\ No newline at end of file
diff --git a/assets/CMakeLists.txt b/assets/CMakeLists.txt
index 292e184c72d20a3d2e2b5295de8dc818d6826a58..6edb3df130de0d7dd28c4d6d8431ea425a3fd227 100644
--- a/assets/CMakeLists.txt
+++ b/assets/CMakeLists.txt
@@ -8,6 +8,9 @@ set(SRB2_ASSET_ALL
 	${CMAKE_CURRENT_SOURCE_DIR}/zones.dta
 	${CMAKE_CURRENT_SOURCE_DIR}/patch.dta
 	${CMAKE_CURRENT_SOURCE_DIR}/music.dta
+	${CMAKE_CURRENT_SOURCE_DIR}/README.txt
+	${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.txt
+	${CMAKE_CURRENT_SOURCE_DIR}/LICENSE-3RD-PARTY.txt
 )
 
 set(SRB2_ASSET_HASHED
diff --git a/assets/LICENSE-3RD-PARTY.txt b/assets/LICENSE-3RD-PARTY.txt
new file mode 100644
index 0000000000000000000000000000000000000000..42ea20e96773028ca44b24c9c3d6abac33ce8163
--- /dev/null
+++ b/assets/LICENSE-3RD-PARTY.txt
@@ -0,0 +1,1710 @@
+--------------------------------------------------------------------------------
+                        3-Clause BSD License
+        applies to:
+        - MiniUPnPc
+          Copyright (c) 2005-2011, Thomas BERNARD
+          All rights reserved.
+          http://miniupnp.free.fr
+--------------------------------------------------------------------------------
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+      this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright notice,
+      this list of conditions and the following disclaimer in the documentation
+      and/or other materials provided with the distribution.
+    * The name of the author may not be used to endorse or promote products
+	  derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.
+
+--------------------------------------------------------------------------------
+                        curl License
+        applies to:
+        - curl
+          Copyright (c) 1996 - 2018, Daniel Stenberg, daniel@haxx.se,
+          and many contributors, see the THANKS file.
+          https://curl.haxx.se
+--------------------------------------------------------------------------------
+
+All rights reserved.
+
+Permission to use, copy, modify, and distribute this software for any purpose
+with or without fee is hereby granted, provided that the above copyright notice
+and this permission notice appear in all copies.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN
+NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
+OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of a copyright holder shall not be
+used in advertising or otherwise to promote the sale, use or other dealings in
+this Software without prior written authorization of the copyright holder.
+
+--------------------------------------------------------------------------------
+                        FMOD End User License Agreement
+        applies to:
+        - FMOD Ex
+          Copyright (c), Firelight Technologies Pty, Ltd. 2004-2018.
+          https://www.fmod.com
+--------------------------------------------------------------------------------
+
+This FMOD End User Licence Agreement (EULA) is a legal agreement between you and Firelight
+Technologies Pty Ltd (ACN 099 182 448) (us or we) and governs your use of FMOD Studio and FMOD
+Engine software (FMOD).
+
+1. GRANT OF LICENCE
+This EULA grants you the right to use FMOD, in a software application (Product), for
+personal (hobbyist), educational (students and teachers) or Non-Commercial use only,
+subject to the following:
+i)	Non-Commercial use does not involve any form of monetisation, sponsorship
+or promotion.
+ii)	FMOD is distributed as integrated into a Product only;
+iii)	FMOD is not distributed as part of any Commercial Product or service;
+iv)	FMOD is not distributed as part of a game engine or tool set;
+v)	FMOD is not used in any Commercial enterprise or for any Commercial
+production or subcontracting, except for the purposes of Evaluation or
+Development of a Commercial Product;
+vi)	Product includes attribution in accordance with Clause 3;
+
+2.	OTHER USE
+For all Commercial use, and any Non Commercial use not permitted by this license, a
+separate license is required. Refer to www.fmod.com/licensing for information.
+
+3.	CREDITS AND LOGO
+All Products require an in game credit line which must include the words "FMOD" or
+"FMOD Studio" (if applicable) and "Firelight Technologies Pty Ltd". This is non
+negotiable. Refer to www.fmod.com/licensing for examples. All products require a
+logo to be presented during start up of the application, before encountering any
+menus or interactivity. See www.fmod.com/licensing for logo information. The user
+has the option to 'buy out'	the requirement to have a logo at the start of the
+product.
+
+4.	INTELLECTUAL PROPERTY RIGHTS
+a)	We are and remain at all times the owner of FMOD (including all intellectual
+property rights in or to the Software). For the avoidance of doubt, nothing in
+this EULA may be deemed to grant or assign to you any proprietary or ownership
+interest or intellectual property rights in or to FMOD other than the rights
+licensed pursuant to clause 1.
+b)	You acknowledge and agree that you have no right, title or interest in and to the
+intellectual property rights in FMOD.
+
+5.	SECURITY AND RISK
+You are responsible for protecting FMOD and any related materials at all times from
+unauthorised access, use or damage.
+
+6.	WARRANTY AND LIMITATION OF LIABILITY
+a)	FMOD is provided by us "as is" and, to the maximum extent permitted by law,
+any express or implied warranties of any kind, including (but not limited to) all
+implied warranties of merchantability and fitness for a particular purpose are
+disclaimed.
+b)	In no event shall we (and our employees, contractors and subcontractors),
+developers and contributors be liable for any direct, special, indirect or
+consequential damages whatsoever resulting from loss of use of data or profits,
+whether in an action of contract, negligence or other tortious conduct, arising
+out of or in connection with the use or performance FMOD.
+
+7.	OGG VORBIS CODEC
+a)	FMOD uses the Ogg Vorbis codec.
+b)	(c) 2002, Xiph.Org Foundation
+c)	Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+i)	Redistributions of source code must retain the above copyright notice, the
+list of conditions and the following disclaimer.
+ii)	Redistributions in binary form must reproduce the above copyright notice,
+this list of conditions and the following disclaimer in the documentation
+and/or other material provided with the distribution.
+iii)	Neither the name of the Xiph.org Foundation nor the names of its
+contributors may be used to endorse or promote products derived from this
+software without specific prior written permission.
+d)	THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
+DIRECT, INDIRECT, INCIDENTIAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+8.	GOOGLE VR (GVR)
+FMOD includes Google VR, licensed under the Apache Licence, Version 2.0 (the Licence);
+you may not use this file except in compliance with the License. You may obtain a copy of
+the License at:
+http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software distributed under the
+License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
+either express or implied. See the License for the specific language governing permissions
+and limitations under the License.
+
+9. ANDROID PLATFORM CODE
+Copyright (C) 2010 The Android Open Source Project All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification, are
+permitted provided that the following conditions are met:
+* Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+* Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in
+the documentation and/or other materials provided with the
+distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.
+
+10.	AUDIOGAMING AUDIOMOTORS DEMO CONTENT
+AudioGaming AudioMotors Demo Engine.agp is provided for evaluation purposes
+only and is not to be redistributed. To create your own engine content, you
+will need AudioMotors V2 Pro. A trial version be found at
+http://store.audiogaming.net/content/audiomotors-v2-pro-trial. For access to
+the full version, contact sales@fmod.com.
+
+© 2018 Firelight Technologies Pty Ltd.
+
+--------------------------------------------------------------------------------
+                        GCC Runtime Library Exception, Version 3.1
+        applies to:
+        - GCC Runtime Library
+          Copyright (C) Free Software Foundation, Inc.
+          https://www.gnu.org/software/gcc/
+--------------------------------------------------------------------------------
+
+GCC RUNTIME LIBRARY EXCEPTION Version 3.1, 31 March 2009
+
+Copyright © 2009 Free Software Foundation, Inc. <https://fsf.org/>
+
+Everyone is permitted to copy and distribute verbatim copies of this license
+document, but changing it is not allowed.
+
+This GCC Runtime Library Exception ("Exception") is an additional permission
+under section 7 of the GNU General Public License, version 3 ("GPLv3"). It
+applies to a given file (the "Runtime Library") that bears a notice placed by
+the copyright holder of the file stating that the file is governed by GPLv3
+along with this Exception.
+
+When you use GCC to compile a program, GCC may combine portions of certain GCC
+header files and runtime libraries with the compiled program. The purpose of
+this Exception is to allow compilation of non-GPL (including proprietary)
+programs to use, in this way, the header files and runtime libraries covered by
+this Exception.
+
+0. Definitions. A file is an "Independent Module" if it either requires the
+Runtime Library for execution after a Compilation Process, or makes use of an
+interface provided by the Runtime Library, but is not otherwise based on the
+Runtime Library.
+
+"GCC" means a version of the GNU Compiler Collection, with or without
+modifications, governed by version 3 (or a specified later version) of the GNU
+General Public License (GPL) with the option of using any subsequent versions
+published by the FSF.
+
+"GPL-compatible Software" is software whose conditions of propagation,
+modification and use would permit combination with GCC in accord with the
+license of GCC.
+
+"Target Code" refers to output from any compiler for a real or virtual target
+processor architecture, in executable form or suitable for input to an
+assembler, loader, linker and/or execution phase. Notwithstanding that, Target
+Code does not include data in any format that is used as a compiler
+intermediate representation, or used for producing a compiler intermediate
+representation.
+
+The "Compilation Process" transforms code entirely represented in
+non-intermediate languages designed for human-written code, and/or in Java
+Virtual Machine byte code, into Target Code. Thus, for example, use of source
+code generators and preprocessors need not be considered part of the
+Compilation Process, since the Compilation Process can be understood as
+starting with the output of the generators or preprocessors.
+
+A Compilation Process is "Eligible" if it is done using GCC, alone or with
+other GPL-compatible software, or if it is done without using any work based on
+GCC. For example, using non-GPL-compatible Software to optimize any GCC
+intermediate representations would not qualify as an Eligible Compilation
+Process.
+
+1. Grant of Additional Permission. You have permission to propagate a work of
+Target Code formed by combining the Runtime Library with Independent Modules,
+even if such propagation would otherwise violate the terms of GPLv3, provided
+that all Target Code was generated by Eligible Compilation Processes. You may
+then convey such a combination under terms of your choice, consistent with the
+licensing of the Independent Modules.
+
+2. No Weakening of GCC Copyleft. The availability of this Exception does not
+imply any general presumption that third-party software is unaffected by the
+copyleft requirements of the license of GCC.
+
+--------------------------------------------------------------------------------
+                        GNU General Public License, Version 3
+        applies to:
+        - GCC Runtime Library
+          Copyright (C) Free Software Foundation, Inc.
+          https://www.gnu.org/software/gcc/
+--------------------------------------------------------------------------------
+
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The GNU General Public License is a free, copyleft license for
+software and other kinds of works.
+
+  The licenses for most software and other practical works are designed
+to take away your freedom to share and change the works.  By contrast,
+the GNU General Public License is intended to guarantee your freedom to
+share and change all versions of a program--to make sure it remains free
+software for all its users.  We, the Free Software Foundation, use the
+GNU General Public License for most of our software; it applies also to
+any other work released this way by its authors.  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+them if you wish), that you receive source code or can get it if you
+want it, that you can change the software or use pieces of it in new
+free programs, and that you know you can do these things.
+
+  To protect your rights, we need to prevent others from denying you
+these rights or asking you to surrender the rights.  Therefore, you have
+certain responsibilities if you distribute copies of the software, or if
+you modify it: responsibilities to respect the freedom of others.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must pass on to the recipients the same
+freedoms that you received.  You must make sure that they, too, receive
+or can get the source code.  And you must show them these terms so they
+know their rights.
+
+  Developers that use the GNU GPL protect your rights with two steps:
+(1) assert copyright on the software, and (2) offer you this License
+giving you legal permission to copy, distribute and/or modify it.
+
+  For the developers' and authors' protection, the GPL clearly explains
+that there is no warranty for this free software.  For both users' and
+authors' sake, the GPL requires that modified versions be marked as
+changed, so that their problems will not be attributed erroneously to
+authors of previous versions.
+
+  Some devices are designed to deny users access to install or run
+modified versions of the software inside them, although the manufacturer
+can do so.  This is fundamentally incompatible with the aim of
+protecting users' freedom to change the software.  The systematic
+pattern of such abuse occurs in the area of products for individuals to
+use, which is precisely where it is most unacceptable.  Therefore, we
+have designed this version of the GPL to prohibit the practice for those
+products.  If such problems arise substantially in other domains, we
+stand ready to extend this provision to those domains in future versions
+of the GPL, as needed to protect the freedom of users.
+
+  Finally, every program is threatened constantly by software patents.
+States should not allow patents to restrict development and use of
+software on general-purpose computers, but in those that do, we wish to
+avoid the special danger that patents applied to a free program could
+make it effectively proprietary.  To prevent this, the GPL assures that
+patents cannot be used to render the program non-free.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+                       TERMS AND CONDITIONS
+
+  0. Definitions.
+
+  "This License" refers to version 3 of the GNU General Public License.
+
+  "Copyright" also means copyright-like laws that apply to other kinds of
+works, such as semiconductor masks.
+
+  "The Program" refers to any copyrightable work licensed under this
+License.  Each licensee is addressed as "you".  "Licensees" and
+"recipients" may be individuals or organizations.
+
+  To "modify" a work means to copy from or adapt all or part of the work
+in a fashion requiring copyright permission, other than the making of an
+exact copy.  The resulting work is called a "modified version" of the
+earlier work or a work "based on" the earlier work.
+
+  A "covered work" means either the unmodified Program or a work based
+on the Program.
+
+  To "propagate" a work means to do anything with it that, without
+permission, would make you directly or secondarily liable for
+infringement under applicable copyright law, except executing it on a
+computer or modifying a private copy.  Propagation includes copying,
+distribution (with or without modification), making available to the
+public, and in some countries other activities as well.
+
+  To "convey" a work means any kind of propagation that enables other
+parties to make or receive copies.  Mere interaction with a user through
+a computer network, with no transfer of a copy, is not conveying.
+
+  An interactive user interface displays "Appropriate Legal Notices"
+to the extent that it includes a convenient and prominently visible
+feature that (1) displays an appropriate copyright notice, and (2)
+tells the user that there is no warranty for the work (except to the
+extent that warranties are provided), that licensees may convey the
+work under this License, and how to view a copy of this License.  If
+the interface presents a list of user commands or options, such as a
+menu, a prominent item in the list meets this criterion.
+
+  1. Source Code.
+
+  The "source code" for a work means the preferred form of the work
+for making modifications to it.  "Object code" means any non-source
+form of a work.
+
+  A "Standard Interface" means an interface that either is an official
+standard defined by a recognized standards body, or, in the case of
+interfaces specified for a particular programming language, one that
+is widely used among developers working in that language.
+
+  The "System Libraries" of an executable work include anything, other
+than the work as a whole, that (a) is included in the normal form of
+packaging a Major Component, but which is not part of that Major
+Component, and (b) serves only to enable use of the work with that
+Major Component, or to implement a Standard Interface for which an
+implementation is available to the public in source code form.  A
+"Major Component", in this context, means a major essential component
+(kernel, window system, and so on) of the specific operating system
+(if any) on which the executable work runs, or a compiler used to
+produce the work, or an object code interpreter used to run it.
+
+  The "Corresponding Source" for a work in object code form means all
+the source code needed to generate, install, and (for an executable
+work) run the object code and to modify the work, including scripts to
+control those activities.  However, it does not include the work's
+System Libraries, or general-purpose tools or generally available free
+programs which are used unmodified in performing those activities but
+which are not part of the work.  For example, Corresponding Source
+includes interface definition files associated with source files for
+the work, and the source code for shared libraries and dynamically
+linked subprograms that the work is specifically designed to require,
+such as by intimate data communication or control flow between those
+subprograms and other parts of the work.
+
+  The Corresponding Source need not include anything that users
+can regenerate automatically from other parts of the Corresponding
+Source.
+
+  The Corresponding Source for a work in source code form is that
+same work.
+
+  2. Basic Permissions.
+
+  All rights granted under this License are granted for the term of
+copyright on the Program, and are irrevocable provided the stated
+conditions are met.  This License explicitly affirms your unlimited
+permission to run the unmodified Program.  The output from running a
+covered work is covered by this License only if the output, given its
+content, constitutes a covered work.  This License acknowledges your
+rights of fair use or other equivalent, as provided by copyright law.
+
+  You may make, run and propagate covered works that you do not
+convey, without conditions so long as your license otherwise remains
+in force.  You may convey covered works to others for the sole purpose
+of having them make modifications exclusively for you, or provide you
+with facilities for running those works, provided that you comply with
+the terms of this License in conveying all material for which you do
+not control copyright.  Those thus making or running the covered works
+for you must do so exclusively on your behalf, under your direction
+and control, on terms that prohibit them from making any copies of
+your copyrighted material outside their relationship with you.
+
+  Conveying under any other circumstances is permitted solely under
+the conditions stated below.  Sublicensing is not allowed; section 10
+makes it unnecessary.
+
+  3. Protecting Users' Legal Rights From Anti-Circumvention Law.
+
+  No covered work shall be deemed part of an effective technological
+measure under any applicable law fulfilling obligations under article
+11 of the WIPO copyright treaty adopted on 20 December 1996, or
+similar laws prohibiting or restricting circumvention of such
+measures.
+
+  When you convey a covered work, you waive any legal power to forbid
+circumvention of technological measures to the extent such circumvention
+is effected by exercising rights under this License with respect to
+the covered work, and you disclaim any intention to limit operation or
+modification of the work as a means of enforcing, against the work's
+users, your or third parties' legal rights to forbid circumvention of
+technological measures.
+
+  4. Conveying Verbatim Copies.
+
+  You may convey verbatim copies of the Program's source code as you
+receive it, in any medium, provided that you conspicuously and
+appropriately publish on each copy an appropriate copyright notice;
+keep intact all notices stating that this License and any
+non-permissive terms added in accord with section 7 apply to the code;
+keep intact all notices of the absence of any warranty; and give all
+recipients a copy of this License along with the Program.
+
+  You may charge any price or no price for each copy that you convey,
+and you may offer support or warranty protection for a fee.
+
+  5. Conveying Modified Source Versions.
+
+  You may convey a work based on the Program, or the modifications to
+produce it from the Program, in the form of source code under the
+terms of section 4, provided that you also meet all of these conditions:
+
+    a) The work must carry prominent notices stating that you modified
+    it, and giving a relevant date.
+
+    b) The work must carry prominent notices stating that it is
+    released under this License and any conditions added under section
+    7.  This requirement modifies the requirement in section 4 to
+    "keep intact all notices".
+
+    c) You must license the entire work, as a whole, under this
+    License to anyone who comes into possession of a copy.  This
+    License will therefore apply, along with any applicable section 7
+    additional terms, to the whole of the work, and all its parts,
+    regardless of how they are packaged.  This License gives no
+    permission to license the work in any other way, but it does not
+    invalidate such permission if you have separately received it.
+
+    d) If the work has interactive user interfaces, each must display
+    Appropriate Legal Notices; however, if the Program has interactive
+    interfaces that do not display Appropriate Legal Notices, your
+    work need not make them do so.
+
+  A compilation of a covered work with other separate and independent
+works, which are not by their nature extensions of the covered work,
+and which are not combined with it such as to form a larger program,
+in or on a volume of a storage or distribution medium, is called an
+"aggregate" if the compilation and its resulting copyright are not
+used to limit the access or legal rights of the compilation's users
+beyond what the individual works permit.  Inclusion of a covered work
+in an aggregate does not cause this License to apply to the other
+parts of the aggregate.
+
+  6. Conveying Non-Source Forms.
+
+  You may convey a covered work in object code form under the terms
+of sections 4 and 5, provided that you also convey the
+machine-readable Corresponding Source under the terms of this License,
+in one of these ways:
+
+    a) Convey the object code in, or embodied in, a physical product
+    (including a physical distribution medium), accompanied by the
+    Corresponding Source fixed on a durable physical medium
+    customarily used for software interchange.
+
+    b) Convey the object code in, or embodied in, a physical product
+    (including a physical distribution medium), accompanied by a
+    written offer, valid for at least three years and valid for as
+    long as you offer spare parts or customer support for that product
+    model, to give anyone who possesses the object code either (1) a
+    copy of the Corresponding Source for all the software in the
+    product that is covered by this License, on a durable physical
+    medium customarily used for software interchange, for a price no
+    more than your reasonable cost of physically performing this
+    conveying of source, or (2) access to copy the
+    Corresponding Source from a network server at no charge.
+
+    c) Convey individual copies of the object code with a copy of the
+    written offer to provide the Corresponding Source.  This
+    alternative is allowed only occasionally and noncommercially, and
+    only if you received the object code with such an offer, in accord
+    with subsection 6b.
+
+    d) Convey the object code by offering access from a designated
+    place (gratis or for a charge), and offer equivalent access to the
+    Corresponding Source in the same way through the same place at no
+    further charge.  You need not require recipients to copy the
+    Corresponding Source along with the object code.  If the place to
+    copy the object code is a network server, the Corresponding Source
+    may be on a different server (operated by you or a third party)
+    that supports equivalent copying facilities, provided you maintain
+    clear directions next to the object code saying where to find the
+    Corresponding Source.  Regardless of what server hosts the
+    Corresponding Source, you remain obligated to ensure that it is
+    available for as long as needed to satisfy these requirements.
+
+    e) Convey the object code using peer-to-peer transmission, provided
+    you inform other peers where the object code and Corresponding
+    Source of the work are being offered to the general public at no
+    charge under subsection 6d.
+
+  A separable portion of the object code, whose source code is excluded
+from the Corresponding Source as a System Library, need not be
+included in conveying the object code work.
+
+  A "User Product" is either (1) a "consumer product", which means any
+tangible personal property which is normally used for personal, family,
+or household purposes, or (2) anything designed or sold for incorporation
+into a dwelling.  In determining whether a product is a consumer product,
+doubtful cases shall be resolved in favor of coverage.  For a particular
+product received by a particular user, "normally used" refers to a
+typical or common use of that class of product, regardless of the status
+of the particular user or of the way in which the particular user
+actually uses, or expects or is expected to use, the product.  A product
+is a consumer product regardless of whether the product has substantial
+commercial, industrial or non-consumer uses, unless such uses represent
+the only significant mode of use of the product.
+
+  "Installation Information" for a User Product means any methods,
+procedures, authorization keys, or other information required to install
+and execute modified versions of a covered work in that User Product from
+a modified version of its Corresponding Source.  The information must
+suffice to ensure that the continued functioning of the modified object
+code is in no case prevented or interfered with solely because
+modification has been made.
+
+  If you convey an object code work under this section in, or with, or
+specifically for use in, a User Product, and the conveying occurs as
+part of a transaction in which the right of possession and use of the
+User Product is transferred to the recipient in perpetuity or for a
+fixed term (regardless of how the transaction is characterized), the
+Corresponding Source conveyed under this section must be accompanied
+by the Installation Information.  But this requirement does not apply
+if neither you nor any third party retains the ability to install
+modified object code on the User Product (for example, the work has
+been installed in ROM).
+
+  The requirement to provide Installation Information does not include a
+requirement to continue to provide support service, warranty, or updates
+for a work that has been modified or installed by the recipient, or for
+the User Product in which it has been modified or installed.  Access to a
+network may be denied when the modification itself materially and
+adversely affects the operation of the network or violates the rules and
+protocols for communication across the network.
+
+  Corresponding Source conveyed, and Installation Information provided,
+in accord with this section must be in a format that is publicly
+documented (and with an implementation available to the public in
+source code form), and must require no special password or key for
+unpacking, reading or copying.
+
+  7. Additional Terms.
+
+  "Additional permissions" are terms that supplement the terms of this
+License by making exceptions from one or more of its conditions.
+Additional permissions that are applicable to the entire Program shall
+be treated as though they were included in this License, to the extent
+that they are valid under applicable law.  If additional permissions
+apply only to part of the Program, that part may be used separately
+under those permissions, but the entire Program remains governed by
+this License without regard to the additional permissions.
+
+  When you convey a copy of a covered work, you may at your option
+remove any additional permissions from that copy, or from any part of
+it.  (Additional permissions may be written to require their own
+removal in certain cases when you modify the work.)  You may place
+additional permissions on material, added by you to a covered work,
+for which you have or can give appropriate copyright permission.
+
+  Notwithstanding any other provision of this License, for material you
+add to a covered work, you may (if authorized by the copyright holders of
+that material) supplement the terms of this License with terms:
+
+    a) Disclaiming warranty or limiting liability differently from the
+    terms of sections 15 and 16 of this License; or
+
+    b) Requiring preservation of specified reasonable legal notices or
+    author attributions in that material or in the Appropriate Legal
+    Notices displayed by works containing it; or
+
+    c) Prohibiting misrepresentation of the origin of that material, or
+    requiring that modified versions of such material be marked in
+    reasonable ways as different from the original version; or
+
+    d) Limiting the use for publicity purposes of names of licensors or
+    authors of the material; or
+
+    e) Declining to grant rights under trademark law for use of some
+    trade names, trademarks, or service marks; or
+
+    f) Requiring indemnification of licensors and authors of that
+    material by anyone who conveys the material (or modified versions of
+    it) with contractual assumptions of liability to the recipient, for
+    any liability that these contractual assumptions directly impose on
+    those licensors and authors.
+
+  All other non-permissive additional terms are considered "further
+restrictions" within the meaning of section 10.  If the Program as you
+received it, or any part of it, contains a notice stating that it is
+governed by this License along with a term that is a further
+restriction, you may remove that term.  If a license document contains
+a further restriction but permits relicensing or conveying under this
+License, you may add to a covered work material governed by the terms
+of that license document, provided that the further restriction does
+not survive such relicensing or conveying.
+
+  If you add terms to a covered work in accord with this section, you
+must place, in the relevant source files, a statement of the
+additional terms that apply to those files, or a notice indicating
+where to find the applicable terms.
+
+  Additional terms, permissive or non-permissive, may be stated in the
+form of a separately written license, or stated as exceptions;
+the above requirements apply either way.
+
+  8. Termination.
+
+  You may not propagate or modify a covered work except as expressly
+provided under this License.  Any attempt otherwise to propagate or
+modify it is void, and will automatically terminate your rights under
+this License (including any patent licenses granted under the third
+paragraph of section 11).
+
+  However, if you cease all violation of this License, then your
+license from a particular copyright holder is reinstated (a)
+provisionally, unless and until the copyright holder explicitly and
+finally terminates your license, and (b) permanently, if the copyright
+holder fails to notify you of the violation by some reasonable means
+prior to 60 days after the cessation.
+
+  Moreover, your license from a particular copyright holder is
+reinstated permanently if the copyright holder notifies you of the
+violation by some reasonable means, this is the first time you have
+received notice of violation of this License (for any work) from that
+copyright holder, and you cure the violation prior to 30 days after
+your receipt of the notice.
+
+  Termination of your rights under this section does not terminate the
+licenses of parties who have received copies or rights from you under
+this License.  If your rights have been terminated and not permanently
+reinstated, you do not qualify to receive new licenses for the same
+material under section 10.
+
+  9. Acceptance Not Required for Having Copies.
+
+  You are not required to accept this License in order to receive or
+run a copy of the Program.  Ancillary propagation of a covered work
+occurring solely as a consequence of using peer-to-peer transmission
+to receive a copy likewise does not require acceptance.  However,
+nothing other than this License grants you permission to propagate or
+modify any covered work.  These actions infringe copyright if you do
+not accept this License.  Therefore, by modifying or propagating a
+covered work, you indicate your acceptance of this License to do so.
+
+  10. Automatic Licensing of Downstream Recipients.
+
+  Each time you convey a covered work, the recipient automatically
+receives a license from the original licensors, to run, modify and
+propagate that work, subject to this License.  You are not responsible
+for enforcing compliance by third parties with this License.
+
+  An "entity transaction" is a transaction transferring control of an
+organization, or substantially all assets of one, or subdividing an
+organization, or merging organizations.  If propagation of a covered
+work results from an entity transaction, each party to that
+transaction who receives a copy of the work also receives whatever
+licenses to the work the party's predecessor in interest had or could
+give under the previous paragraph, plus a right to possession of the
+Corresponding Source of the work from the predecessor in interest, if
+the predecessor has it or can get it with reasonable efforts.
+
+  You may not impose any further restrictions on the exercise of the
+rights granted or affirmed under this License.  For example, you may
+not impose a license fee, royalty, or other charge for exercise of
+rights granted under this License, and you may not initiate litigation
+(including a cross-claim or counterclaim in a lawsuit) alleging that
+any patent claim is infringed by making, using, selling, offering for
+sale, or importing the Program or any portion of it.
+
+  11. Patents.
+
+  A "contributor" is a copyright holder who authorizes use under this
+License of the Program or a work on which the Program is based.  The
+work thus licensed is called the contributor's "contributor version".
+
+  A contributor's "essential patent claims" are all patent claims
+owned or controlled by the contributor, whether already acquired or
+hereafter acquired, that would be infringed by some manner, permitted
+by this License, of making, using, or selling its contributor version,
+but do not include claims that would be infringed only as a
+consequence of further modification of the contributor version.  For
+purposes of this definition, "control" includes the right to grant
+patent sublicenses in a manner consistent with the requirements of
+this License.
+
+  Each contributor grants you a non-exclusive, worldwide, royalty-free
+patent license under the contributor's essential patent claims, to
+make, use, sell, offer for sale, import and otherwise run, modify and
+propagate the contents of its contributor version.
+
+  In the following three paragraphs, a "patent license" is any express
+agreement or commitment, however denominated, not to enforce a patent
+(such as an express permission to practice a patent or covenant not to
+sue for patent infringement).  To "grant" such a patent license to a
+party means to make such an agreement or commitment not to enforce a
+patent against the party.
+
+  If you convey a covered work, knowingly relying on a patent license,
+and the Corresponding Source of the work is not available for anyone
+to copy, free of charge and under the terms of this License, through a
+publicly available network server or other readily accessible means,
+then you must either (1) cause the Corresponding Source to be so
+available, or (2) arrange to deprive yourself of the benefit of the
+patent license for this particular work, or (3) arrange, in a manner
+consistent with the requirements of this License, to extend the patent
+license to downstream recipients.  "Knowingly relying" means you have
+actual knowledge that, but for the patent license, your conveying the
+covered work in a country, or your recipient's use of the covered work
+in a country, would infringe one or more identifiable patents in that
+country that you have reason to believe are valid.
+
+  If, pursuant to or in connection with a single transaction or
+arrangement, you convey, or propagate by procuring conveyance of, a
+covered work, and grant a patent license to some of the parties
+receiving the covered work authorizing them to use, propagate, modify
+or convey a specific copy of the covered work, then the patent license
+you grant is automatically extended to all recipients of the covered
+work and works based on it.
+
+  A patent license is "discriminatory" if it does not include within
+the scope of its coverage, prohibits the exercise of, or is
+conditioned on the non-exercise of one or more of the rights that are
+specifically granted under this License.  You may not convey a covered
+work if you are a party to an arrangement with a third party that is
+in the business of distributing software, under which you make payment
+to the third party based on the extent of your activity of conveying
+the work, and under which the third party grants, to any of the
+parties who would receive the covered work from you, a discriminatory
+patent license (a) in connection with copies of the covered work
+conveyed by you (or copies made from those copies), or (b) primarily
+for and in connection with specific products or compilations that
+contain the covered work, unless you entered into that arrangement,
+or that patent license was granted, prior to 28 March 2007.
+
+  Nothing in this License shall be construed as excluding or limiting
+any implied license or other defenses to infringement that may
+otherwise be available to you under applicable patent law.
+
+  12. No Surrender of Others' Freedom.
+
+  If conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot convey a
+covered work so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you may
+not convey it at all.  For example, if you agree to terms that obligate you
+to collect a royalty for further conveying from those to whom you convey
+the Program, the only way you could satisfy both those terms and this
+License would be to refrain entirely from conveying the Program.
+
+  13. Use with the GNU Affero General Public License.
+
+  Notwithstanding any other provision of this License, you have
+permission to link or combine any covered work with a work licensed
+under version 3 of the GNU Affero General Public License into a single
+combined work, and to convey the resulting work.  The terms of this
+License will continue to apply to the part which is the covered work,
+but the special requirements of the GNU Affero General Public License,
+section 13, concerning interaction through a network will apply to the
+combination as such.
+
+  14. Revised Versions of this License.
+
+  The Free Software Foundation may publish revised and/or new versions of
+the GNU General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+  Each version is given a distinguishing version number.  If the
+Program specifies that a certain numbered version of the GNU General
+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<https://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.
+
+--------------------------------------------------------------------------------
+                        GNU Lesser General Public License, Version 2.1
+        applies to:
+        - Game_Music_Emu
+          Shay Green <gblargg@gmail.com>
+          http://www.slack.net/~ant/
+
+        - libintl
+          Copyright (C) 1995-2018 Free Software Foundation, Inc.
+          https://www.gnu.org/software/gettext/
+
+        - mpg123
+          Copyright (c) 1995-2013 by Michael Hipp and others,
+          free software under the terms of the LGPL v2.1
+          https://www.mpg123.de
+--------------------------------------------------------------------------------
+
+		  GNU LESSER GENERAL PUBLIC LICENSE
+		       Version 2.1, February 1999
+
+ Copyright (C) 1991, 1999 Free Software Foundation, Inc.
+ 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+[This is the first released version of the Lesser GPL.  It also counts
+ as the successor of the GNU Library Public License, version 2, hence
+ the version number 2.1.]
+
+			    Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+Licenses are intended to guarantee your freedom to share and change
+free software--to make sure the software is free for all its users.
+
+  This license, the Lesser General Public License, applies to some
+specially designated software packages--typically libraries--of the
+Free Software Foundation and other authors who decide to use it.  You
+can use it too, but we suggest you first think carefully about whether
+this license or the ordinary General Public License is the better
+strategy to use in any particular case, based on the explanations below.
+
+  When we speak of free software, we are referring to freedom of use,
+not price.  Our General Public Licenses are designed to make sure that
+you have the freedom to distribute copies of free software (and charge
+for this service if you wish); that you receive source code or can get
+it if you want it; that you can change the software and use pieces of
+it in new free programs; and that you are informed that you can do
+these things.
+
+  To protect your rights, we need to make restrictions that forbid
+distributors to deny you these rights or to ask you to surrender these
+rights.  These restrictions translate to certain responsibilities for
+you if you distribute copies of the library or if you modify it.
+
+  For example, if you distribute copies of the library, whether gratis
+or for a fee, you must give the recipients all the rights that we gave
+you.  You must make sure that they, too, receive or can get the source
+code.  If you link other code with the library, you must provide
+complete object files to the recipients, so that they can relink them
+with the library after making changes to the library and recompiling
+it.  And you must show them these terms so they know their rights.
+
+  We protect your rights with a two-step method: (1) we copyright the
+library, and (2) we offer you this license, which gives you legal
+permission to copy, distribute and/or modify the library.
+
+  To protect each distributor, we want to make it very clear that
+there is no warranty for the free library.  Also, if the library is
+modified by someone else and passed on, the recipients should know
+that what they have is not the original version, so that the original
+author's reputation will not be affected by problems that might be
+introduced by others.
+
+  Finally, software patents pose a constant threat to the existence of
+any free program.  We wish to make sure that a company cannot
+effectively restrict the users of a free program by obtaining a
+restrictive license from a patent holder.  Therefore, we insist that
+any patent license obtained for a version of the library must be
+consistent with the full freedom of use specified in this license.
+
+  Most GNU software, including some libraries, is covered by the
+ordinary GNU General Public License.  This license, the GNU Lesser
+General Public License, applies to certain designated libraries, and
+is quite different from the ordinary General Public License.  We use
+this license for certain libraries in order to permit linking those
+libraries into non-free programs.
+
+  When a program is linked with a library, whether statically or using
+a shared library, the combination of the two is legally speaking a
+combined work, a derivative of the original library.  The ordinary
+General Public License therefore permits such linking only if the
+entire combination fits its criteria of freedom.  The Lesser General
+Public License permits more lax criteria for linking other code with
+the library.
+
+  We call this license the "Lesser" General Public License because it
+does Less to protect the user's freedom than the ordinary General
+Public License.  It also provides other free software developers Less
+of an advantage over competing non-free programs.  These disadvantages
+are the reason we use the ordinary General Public License for many
+libraries.  However, the Lesser license provides advantages in certain
+special circumstances.
+
+  For example, on rare occasions, there may be a special need to
+encourage the widest possible use of a certain library, so that it becomes
+a de-facto standard.  To achieve this, non-free programs must be
+allowed to use the library.  A more frequent case is that a free
+library does the same job as widely used non-free libraries.  In this
+case, there is little to gain by limiting the free library to free
+software only, so we use the Lesser General Public License.
+
+  In other cases, permission to use a particular library in non-free
+programs enables a greater number of people to use a large body of
+free software.  For example, permission to use the GNU C Library in
+non-free programs enables many more people to use the whole GNU
+operating system, as well as its variant, the GNU/Linux operating
+system.
+
+  Although the Lesser General Public License is Less protective of the
+users' freedom, it does ensure that the user of a program that is
+linked with the Library has the freedom and the wherewithal to run
+that program using a modified version of the Library.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.  Pay close attention to the difference between a
+"work based on the library" and a "work that uses the library".  The
+former contains code derived from the library, whereas the latter must
+be combined with the library in order to run.
+
+		  GNU LESSER GENERAL PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. This License Agreement applies to any software library or other
+program which contains a notice placed by the copyright holder or
+other authorized party saying it may be distributed under the terms of
+this Lesser General Public License (also called "this License").
+Each licensee is addressed as "you".
+
+  A "library" means a collection of software functions and/or data
+prepared so as to be conveniently linked with application programs
+(which use some of those functions and data) to form executables.
+
+  The "Library", below, refers to any such software library or work
+which has been distributed under these terms.  A "work based on the
+Library" means either the Library or any derivative work under
+copyright law: that is to say, a work containing the Library or a
+portion of it, either verbatim or with modifications and/or translated
+straightforwardly into another language.  (Hereinafter, translation is
+included without limitation in the term "modification".)
+
+  "Source code" for a work means the preferred form of the work for
+making modifications to it.  For a library, complete source code means
+all the source code for all modules it contains, plus any associated
+interface definition files, plus the scripts used to control compilation
+and installation of the library.
+
+  Activities other than copying, distribution and modification are not
+covered by this License; they are outside its scope.  The act of
+running a program using the Library is not restricted, and output from
+such a program is covered only if its contents constitute a work based
+on the Library (independent of the use of the Library in a tool for
+writing it).  Whether that is true depends on what the Library does
+and what the program that uses the Library does.
+
+  1. You may copy and distribute verbatim copies of the Library's
+complete source code as you receive it, in any medium, provided that
+you conspicuously and appropriately publish on each copy an
+appropriate copyright notice and disclaimer of warranty; keep intact
+all the notices that refer to this License and to the absence of any
+warranty; and distribute a copy of this License along with the
+Library.
+
+  You may charge a fee for the physical act of transferring a copy,
+and you may at your option offer warranty protection in exchange for a
+fee.
+
+  2. You may modify your copy or copies of the Library or any portion
+of it, thus forming a work based on the Library, and copy and
+distribute such modifications or work under the terms of Section 1
+above, provided that you also meet all of these conditions:
+
+    a) The modified work must itself be a software library.
+
+    b) You must cause the files modified to carry prominent notices
+    stating that you changed the files and the date of any change.
+
+    c) You must cause the whole of the work to be licensed at no
+    charge to all third parties under the terms of this License.
+
+    d) If a facility in the modified Library refers to a function or a
+    table of data to be supplied by an application program that uses
+    the facility, other than as an argument passed when the facility
+    is invoked, then you must make a good faith effort to ensure that,
+    in the event an application does not supply such function or
+    table, the facility still operates, and performs whatever part of
+    its purpose remains meaningful.
+
+    (For example, a function in a library to compute square roots has
+    a purpose that is entirely well-defined independent of the
+    application.  Therefore, Subsection 2d requires that any
+    application-supplied function or table used by this function must
+    be optional: if the application does not supply it, the square
+    root function must still compute square roots.)
+
+These requirements apply to the modified work as a whole.  If
+identifiable sections of that work are not derived from the Library,
+and can be reasonably considered independent and separate works in
+themselves, then this License, and its terms, do not apply to those
+sections when you distribute them as separate works.  But when you
+distribute the same sections as part of a whole which is a work based
+on the Library, the distribution of the whole must be on the terms of
+this License, whose permissions for other licensees extend to the
+entire whole, and thus to each and every part regardless of who wrote
+it.
+
+Thus, it is not the intent of this section to claim rights or contest
+your rights to work written entirely by you; rather, the intent is to
+exercise the right to control the distribution of derivative or
+collective works based on the Library.
+
+In addition, mere aggregation of another work not based on the Library
+with the Library (or with a work based on the Library) on a volume of
+a storage or distribution medium does not bring the other work under
+the scope of this License.
+
+  3. You may opt to apply the terms of the ordinary GNU General Public
+License instead of this License to a given copy of the Library.  To do
+this, you must alter all the notices that refer to this License, so
+that they refer to the ordinary GNU General Public License, version 2,
+instead of to this License.  (If a newer version than version 2 of the
+ordinary GNU General Public License has appeared, then you can specify
+that version instead if you wish.)  Do not make any other change in
+these notices.
+
+  Once this change is made in a given copy, it is irreversible for
+that copy, so the ordinary GNU General Public License applies to all
+subsequent copies and derivative works made from that copy.
+
+  This option is useful when you wish to copy part of the code of
+the Library into a program that is not a library.
+
+  4. You may copy and distribute the Library (or a portion or
+derivative of it, under Section 2) in object code or executable form
+under the terms of Sections 1 and 2 above provided that you accompany
+it with the complete corresponding machine-readable source code, which
+must be distributed under the terms of Sections 1 and 2 above on a
+medium customarily used for software interchange.
+
+  If distribution of object code is made by offering access to copy
+from a designated place, then offering equivalent access to copy the
+source code from the same place satisfies the requirement to
+distribute the source code, even though third parties are not
+compelled to copy the source along with the object code.
+
+  5. A program that contains no derivative of any portion of the
+Library, but is designed to work with the Library by being compiled or
+linked with it, is called a "work that uses the Library".  Such a
+work, in isolation, is not a derivative work of the Library, and
+therefore falls outside the scope of this License.
+
+  However, linking a "work that uses the Library" with the Library
+creates an executable that is a derivative of the Library (because it
+contains portions of the Library), rather than a "work that uses the
+library".  The executable is therefore covered by this License.
+Section 6 states terms for distribution of such executables.
+
+  When a "work that uses the Library" uses material from a header file
+that is part of the Library, the object code for the work may be a
+derivative work of the Library even though the source code is not.
+Whether this is true is especially significant if the work can be
+linked without the Library, or if the work is itself a library.  The
+threshold for this to be true is not precisely defined by law.
+
+  If such an object file uses only numerical parameters, data
+structure layouts and accessors, and small macros and small inline
+functions (ten lines or less in length), then the use of the object
+file is unrestricted, regardless of whether it is legally a derivative
+work.  (Executables containing this object code plus portions of the
+Library will still fall under Section 6.)
+
+  Otherwise, if the work is a derivative of the Library, you may
+distribute the object code for the work under the terms of Section 6.
+Any executables containing that work also fall under Section 6,
+whether or not they are linked directly with the Library itself.
+
+  6. As an exception to the Sections above, you may also combine or
+link a "work that uses the Library" with the Library to produce a
+work containing portions of the Library, and distribute that work
+under terms of your choice, provided that the terms permit
+modification of the work for the customer's own use and reverse
+engineering for debugging such modifications.
+
+  You must give prominent notice with each copy of the work that the
+Library is used in it and that the Library and its use are covered by
+this License.  You must supply a copy of this License.  If the work
+during execution displays copyright notices, you must include the
+copyright notice for the Library among them, as well as a reference
+directing the user to the copy of this License.  Also, you must do one
+of these things:
+
+    a) Accompany the work with the complete corresponding
+    machine-readable source code for the Library including whatever
+    changes were used in the work (which must be distributed under
+    Sections 1 and 2 above); and, if the work is an executable linked
+    with the Library, with the complete machine-readable "work that
+    uses the Library", as object code and/or source code, so that the
+    user can modify the Library and then relink to produce a modified
+    executable containing the modified Library.  (It is understood
+    that the user who changes the contents of definitions files in the
+    Library will not necessarily be able to recompile the application
+    to use the modified definitions.)
+
+    b) Use a suitable shared library mechanism for linking with the
+    Library.  A suitable mechanism is one that (1) uses at run time a
+    copy of the library already present on the user's computer system,
+    rather than copying library functions into the executable, and (2)
+    will operate properly with a modified version of the library, if
+    the user installs one, as long as the modified version is
+    interface-compatible with the version that the work was made with.
+
+    c) Accompany the work with a written offer, valid for at
+    least three years, to give the same user the materials
+    specified in Subsection 6a, above, for a charge no more
+    than the cost of performing this distribution.
+
+    d) If distribution of the work is made by offering access to copy
+    from a designated place, offer equivalent access to copy the above
+    specified materials from the same place.
+
+    e) Verify that the user has already received a copy of these
+    materials or that you have already sent this user a copy.
+
+  For an executable, the required form of the "work that uses the
+Library" must include any data and utility programs needed for
+reproducing the executable from it.  However, as a special exception,
+the materials to be distributed need not include anything that is
+normally distributed (in either source or binary form) with the major
+components (compiler, kernel, and so on) of the operating system on
+which the executable runs, unless that component itself accompanies
+the executable.
+
+  It may happen that this requirement contradicts the license
+restrictions of other proprietary libraries that do not normally
+accompany the operating system.  Such a contradiction means you cannot
+use both them and the Library together in an executable that you
+distribute.
+
+  7. You may place library facilities that are a work based on the
+Library side-by-side in a single library together with other library
+facilities not covered by this License, and distribute such a combined
+library, provided that the separate distribution of the work based on
+the Library and of the other library facilities is otherwise
+permitted, and provided that you do these two things:
+
+    a) Accompany the combined library with a copy of the same work
+    based on the Library, uncombined with any other library
+    facilities.  This must be distributed under the terms of the
+    Sections above.
+
+    b) Give prominent notice with the combined library of the fact
+    that part of it is a work based on the Library, and explaining
+    where to find the accompanying uncombined form of the same work.
+
+  8. You may not copy, modify, sublicense, link with, or distribute
+the Library except as expressly provided under this License.  Any
+attempt otherwise to copy, modify, sublicense, link with, or
+distribute the Library is void, and will automatically terminate your
+rights under this License.  However, parties who have received copies,
+or rights, from you under this License will not have their licenses
+terminated so long as such parties remain in full compliance.
+
+  9. You are not required to accept this License, since you have not
+signed it.  However, nothing else grants you permission to modify or
+distribute the Library or its derivative works.  These actions are
+prohibited by law if you do not accept this License.  Therefore, by
+modifying or distributing the Library (or any work based on the
+Library), you indicate your acceptance of this License to do so, and
+all its terms and conditions for copying, distributing or modifying
+the Library or works based on it.
+
+  10. Each time you redistribute the Library (or any work based on the
+Library), the recipient automatically receives a license from the
+original licensor to copy, distribute, link with or modify the Library
+subject to these terms and conditions.  You may not impose any further
+restrictions on the recipients' exercise of the rights granted herein.
+You are not responsible for enforcing compliance by third parties with
+this License.
+
+  11. If, as a consequence of a court judgment or allegation of patent
+infringement or for any other reason (not limited to patent issues),
+conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot
+distribute so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you
+may not distribute the Library at all.  For example, if a patent
+license would not permit royalty-free redistribution of the Library by
+all those who receive copies directly or indirectly through you, then
+the only way you could satisfy both it and this License would be to
+refrain entirely from distribution of the Library.
+
+If any portion of this section is held invalid or unenforceable under any
+particular circumstance, the balance of the section is intended to apply,
+and the section as a whole is intended to apply in other circumstances.
+
+It is not the purpose of this section to induce you to infringe any
+patents or other property right claims or to contest validity of any
+such claims; this section has the sole purpose of protecting the
+integrity of the free software distribution system which is
+implemented by public license practices.  Many people have made
+generous contributions to the wide range of software distributed
+through that system in reliance on consistent application of that
+system; it is up to the author/donor to decide if he or she is willing
+to distribute software through any other system and a licensee cannot
+impose that choice.
+
+This section is intended to make thoroughly clear what is believed to
+be a consequence of the rest of this License.
+
+  12. If the distribution and/or use of the Library is restricted in
+certain countries either by patents or by copyrighted interfaces, the
+original copyright holder who places the Library under this License may add
+an explicit geographical distribution limitation excluding those countries,
+so that distribution is permitted only in or among countries not thus
+excluded.  In such case, this License incorporates the limitation as if
+written in the body of this License.
+
+  13. The Free Software Foundation may publish revised and/or new
+versions of the Lesser General Public License from time to time.
+Such new versions will be similar in spirit to the present version,
+but may differ in detail to address new problems or concerns.
+
+Each version is given a distinguishing version number.  If the Library
+specifies a version number of this License which applies to it and
+"any later version", you have the option of following the terms and
+conditions either of that version or of any later version published by
+the Free Software Foundation.  If the Library does not specify a
+license version number, you may choose any version ever published by
+the Free Software Foundation.
+
+  14. If you wish to incorporate parts of the Library into other free
+programs whose distribution conditions are incompatible with these,
+write to the author to ask for permission.  For software which is
+copyrighted by the Free Software Foundation, write to the Free
+Software Foundation; we sometimes make exceptions for this.  Our
+decision will be guided by the two goals of preserving the free status
+of all derivatives of our free software and of promoting the sharing
+and reuse of software generally.
+
+			    NO WARRANTY
+
+  15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO
+WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW.
+EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR
+OTHER PARTIES PROVIDE THE LIBRARY "AS IS" WITHOUT WARRANTY OF ANY
+KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE
+LIBRARY IS WITH YOU.  SHOULD THE LIBRARY PROVE DEFECTIVE, YOU ASSUME
+THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN
+WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY
+AND/OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE LIABLE TO YOU
+FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR
+CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE
+LIBRARY (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
+RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
+FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
+SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
+DAMAGES.
+
+		     END OF TERMS AND CONDITIONS
+
+           How to Apply These Terms to Your New Libraries
+
+  If you develop a new library, and you want it to be of the greatest
+possible use to the public, we recommend making it free software that
+everyone can redistribute and change.  You can do so by permitting
+redistribution under these terms (or, alternatively, under the terms of the
+ordinary General Public License).
+
+  To apply these terms, attach the following notices to the library.  It is
+safest to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least the
+"copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the library's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+Also add information on how to contact you by electronic and paper mail.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the library, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the
+  library `Frob' (a library for tweaking knobs) written by James Random Hacker.
+
+  <signature of Ty Coon>, 1 April 1990
+  Ty Coon, President of Vice
+
+That's all there is to it!
+
+--------------------------------------------------------------------------------
+                  libpng License
+        applies to:
+        - libpng
+          Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson
+          http://www.libpng.org/pub/png/libpng.html
+--------------------------------------------------------------------------------
+
+This copy of the libpng notices is provided for your convenience.  In case of
+any discrepancy between this copy and the notices in the file png.h that is
+included in the libpng distribution, the latter shall prevail.
+
+COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
+
+If you modify libpng you may insert additional notices immediately following
+this sentence.
+
+This code is released under the libpng license.
+
+libpng versions 1.0.7, July 1, 2000 through 1.6.35, July 15, 2018 are
+Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson, are
+derived from libpng-1.0.6, and are distributed according to the same
+disclaimer and license as libpng-1.0.6 with the following individuals
+added to the list of Contributing Authors:
+
+   Simon-Pierre Cadieux
+   Eric S. Raymond
+   Mans Rullgard
+   Cosmin Truta
+   Gilles Vollant
+   James Yu
+   Mandar Sahastrabuddhe
+   Google Inc.
+   Vadim Barkov
+
+and with the following additions to the disclaimer:
+
+   There is no warranty against interference with your enjoyment of the
+   library or against infringement.  There is no warranty that our
+   efforts or the library will fulfill any of your particular purposes
+   or needs.  This library is provided with all faults, and the entire
+   risk of satisfactory quality, performance, accuracy, and effort is with
+   the user.
+
+Some files in the "contrib" directory and some configure-generated
+files that are distributed with libpng have other copyright owners and
+are released under other open source licenses.
+
+libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
+Copyright (c) 1998-2000 Glenn Randers-Pehrson, are derived from
+libpng-0.96, and are distributed according to the same disclaimer and
+license as libpng-0.96, with the following individuals added to the list
+of Contributing Authors:
+
+   Tom Lane
+   Glenn Randers-Pehrson
+   Willem van Schaik
+
+libpng versions 0.89, June 1996, through 0.96, May 1997, are
+Copyright (c) 1996-1997 Andreas Dilger, are derived from libpng-0.88,
+and are distributed according to the same disclaimer and license as
+libpng-0.88, with the following individuals added to the list of
+Contributing Authors:
+
+   John Bowler
+   Kevin Bracey
+   Sam Bushell
+   Magnus Holmgren
+   Greg Roelofs
+   Tom Tanner
+
+Some files in the "scripts" directory have other copyright owners
+but are released under this license.
+
+libpng versions 0.5, May 1995, through 0.88, January 1996, are
+Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
+
+For the purposes of this copyright and license, "Contributing Authors"
+is defined as the following set of individuals:
+
+   Andreas Dilger
+   Dave Martindale
+   Guy Eric Schalnat
+   Paul Schmidt
+   Tim Wegner
+
+The PNG Reference Library is supplied "AS IS".  The Contributing Authors
+and Group 42, Inc. disclaim all warranties, expressed or implied,
+including, without limitation, the warranties of merchantability and of
+fitness for any purpose.  The Contributing Authors and Group 42, Inc.
+assume no liability for direct, indirect, incidental, special, exemplary,
+or consequential damages, which may result from the use of the PNG
+Reference Library, even if advised of the possibility of such damage.
+
+Permission is hereby granted to use, copy, modify, and distribute this
+source code, or portions hereof, for any purpose, without fee, subject
+to the following restrictions:
+
+  1. The origin of this source code must not be misrepresented.
+
+  2. Altered versions must be plainly marked as such and must not
+     be misrepresented as being the original source.
+
+  3. This Copyright notice may not be removed or altered from any
+     source or altered source distribution.
+
+The Contributing Authors and Group 42, Inc. specifically permit, without
+fee, and encourage the use of this source code as a component to
+supporting the PNG file format in commercial products.  If you use this
+source code in a product, acknowledgment is not required but would be
+appreciated.
+
+END OF COPYRIGHT NOTICE, DISCLAIMER, and LICENSE.
+
+TRADEMARK:
+
+The name "libpng" has not been registered by the Copyright owner
+as a trademark in any jurisdiction.  However, because libpng has
+been distributed and maintained world-wide, continually since 1995,
+the Copyright owner claims "common-law trademark protection" in any
+jurisdiction where common-law trademark is recognized.
+
+OSI CERTIFICATION:
+
+Libpng is OSI Certified Open Source Software.  OSI Certified Open Source is
+a certification mark of the Open Source Initiative. OSI has not addressed
+the additional disclaimers inserted at version 1.0.7.
+
+EXPORT CONTROL:
+
+The Copyright owner believes that the Export Control Classification
+Number (ECCN) for libpng is EAR99, which means not subject to export
+controls or International Traffic in Arms Regulations (ITAR) because
+it is open source, publicly available software, that does not contain
+any encryption software.  See the EAR, paragraphs 734.3(b)(3) and
+734.7(b).
+
+Glenn Randers-Pehrson
+glennrp at users.sourceforge.net
+July 15, 2018
+
+--------------------------------------------------------------------------------
+                  New BSD License
+        applies to:
+        - FLAC
+          Copyright (C) 2000-2009  Josh Coalson
+          Copyright (C) 2011-2016  Xiph.Org Foundation
+          https://xiph.org/flac/api/
+
+        - Vorbis
+          Copyright (c) 2002-2008 Xiph.org Foundation
+          https://xiph.org/vorbis/
+
+        - Opus
+          Copyright 2001-2011 Xiph.Org, Skype Limited, Octasic,
+                    Jean-Marc Valin, Timothy B. Terriberry,
+                    CSIRO, Gregory Maxwell, Mark Borgerding,
+                    Erik de Castro Lopo
+          https://opus-codec.org
+
+        - Opus File
+          Copyright (c) 1994-2013 Xiph.Org Foundation and contributors
+          https://opus-codec.org
+--------------------------------------------------------------------------------
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+- Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+
+[ For FLAC, Vorbis, and Opus File
+- Neither the name of the Xiph.org Foundation nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+]
+
+[ For Opus
+- Neither the name of Internet Society, IETF or IETF Trust, nor the
+names of specific contributors, may be used to endorse or promote
+products derived from this software without specific prior written
+permission.
+]
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR
+CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+--------------------------------------------------------------------------------
+                  Public Domain
+        applies to:
+        - win_iconv
+          Yukihiro Nakadaira <yukihiro.nakadaira@gmail.com>
+          win_iconv is placed in the public domain.
+          https://github.com/win-iconv/win-iconv
+
+        - libmodplug
+          ModPlug-XMMS and libmodplug are now in the public domain.
+          http://modplug-xmms.sourceforge.net
+--------------------------------------------------------------------------------
+
+--------------------------------------------------------------------------------
+                        zlib License
+        applies to:
+        - Simple DirectMedia Layer
+          Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
+          https://www.libsdl.org/hg.php
+
+        - SDL_mixer:  An audio mixer library based on the SDL library
+          Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
+          https://www.libsdl.org/projects/SDL_mixer/
+
+        - zlib
+          Copyright (C) 1995-2017 Jean-loup Gailly and Mark Adler
+          https://zlib.net
+--------------------------------------------------------------------------------
+
+This software is provided 'as-is', without any express or implied
+warranty.  In no event will the authors be held liable for any damages
+arising from the use of this software.
+
+Permission is granted to anyone to use this software for any purpose,
+including commercial applications, and to alter it and redistribute it
+freely, subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not
+   claim that you wrote the original software. If you use this software
+   in a product, an acknowledgment in the product documentation would be
+   appreciated but is not required.
+2. Altered source versions must be plainly marked as such, and must not be
+   misrepresented as being the original software.
+3. This notice may not be removed or altered from any source distribution.
diff --git a/assets/LICENSE.txt b/assets/LICENSE.txt
new file mode 100644
index 0000000000000000000000000000000000000000..d159169d1050894d3ea3b98e1c965c4058208fe1
--- /dev/null
+++ b/assets/LICENSE.txt
@@ -0,0 +1,339 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The licenses for most software are designed to take away your
+freedom to share and change it.  By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users.  This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it.  (Some other Free Software Foundation software is covered by
+the GNU Lesser General Public License instead.)  You can apply it to
+your programs, too.
+
+  When we speak of free software, we are referring to freedom, not
+price.  Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
+in new free programs; and that you know you can do these things.
+
+  To protect your rights, we need to make restrictions that forbid
+anyone to deny you these rights or to ask you to surrender the rights.
+These restrictions translate to certain responsibilities for you if you
+distribute copies of the software, or if you modify it.
+
+  For example, if you distribute copies of such a program, whether
+gratis or for a fee, you must give the recipients all the rights that
+you have.  You must make sure that they, too, receive or can get the
+source code.  And you must show them these terms so they know their
+rights.
+
+  We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
+  Also, for each author's protection and ours, we want to make certain
+that everyone understands that there is no warranty for this free
+software.  If the software is modified by someone else and passed on, we
+want its recipients to know that what they have is not the original, so
+that any problems introduced by others will not reflect on the original
+authors' reputations.
+
+  Finally, any free program is threatened constantly by software
+patents.  We wish to avoid the danger that redistributors of a free
+program will individually obtain patent licenses, in effect making the
+program proprietary.  To prevent this, we have made it clear that any
+patent must be licensed for everyone's free use or not licensed at all.
+
+  The precise terms and conditions for copying, distribution and
+modification follow.
+
+                    GNU GENERAL PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
+under the terms of this General Public License.  The "Program", below,
+refers to any such program or work, and a "work based on the Program"
+means either the Program or any derivative work under copyright law:
+that is to say, a work containing the Program or a portion of it,
+either verbatim or with modifications and/or translated into another
+language.  (Hereinafter, translation is included without limitation in
+the term "modification".)  Each licensee is addressed as "you".
+
+Activities other than copying, distribution and modification are not
+covered by this License; they are outside its scope.  The act of
+running the Program is not restricted, and the output from the Program
+is covered only if its contents constitute a work based on the
+Program (independent of having been made by running the Program).
+Whether that is true depends on what the Program does.
+
+  1. You may copy and distribute verbatim copies of the Program's
+source code as you receive it, in any medium, provided that you
+conspicuously and appropriately publish on each copy an appropriate
+copyright notice and disclaimer of warranty; keep intact all the
+notices that refer to this License and to the absence of any warranty;
+and give any other recipients of the Program a copy of this License
+along with the Program.
+
+You may charge a fee for the physical act of transferring a copy, and
+you may at your option offer warranty protection in exchange for a fee.
+
+  2. You may modify your copy or copies of the Program or any portion
+of it, thus forming a work based on the Program, and copy and
+distribute such modifications or work under the terms of Section 1
+above, provided that you also meet all of these conditions:
+
+    a) You must cause the modified files to carry prominent notices
+    stating that you changed the files and the date of any change.
+
+    b) You must cause any work that you distribute or publish, that in
+    whole or in part contains or is derived from the Program or any
+    part thereof, to be licensed as a whole at no charge to all third
+    parties under the terms of this License.
+
+    c) If the modified program normally reads commands interactively
+    when run, you must cause it, when started running for such
+    interactive use in the most ordinary way, to print or display an
+    announcement including an appropriate copyright notice and a
+    notice that there is no warranty (or else, saying that you provide
+    a warranty) and that users may redistribute the program under
+    these conditions, and telling the user how to view a copy of this
+    License.  (Exception: if the Program itself is interactive but
+    does not normally print such an announcement, your work based on
+    the Program is not required to print an announcement.)
+
+These requirements apply to the modified work as a whole.  If
+identifiable sections of that work are not derived from the Program,
+and can be reasonably considered independent and separate works in
+themselves, then this License, and its terms, do not apply to those
+sections when you distribute them as separate works.  But when you
+distribute the same sections as part of a whole which is a work based
+on the Program, the distribution of the whole must be on the terms of
+this License, whose permissions for other licensees extend to the
+entire whole, and thus to each and every part regardless of who wrote it.
+
+Thus, it is not the intent of this section to claim rights or contest
+your rights to work written entirely by you; rather, the intent is to
+exercise the right to control the distribution of derivative or
+collective works based on the Program.
+
+In addition, mere aggregation of another work not based on the Program
+with the Program (or with a work based on the Program) on a volume of
+a storage or distribution medium does not bring the other work under
+the scope of this License.
+
+  3. You may copy and distribute the Program (or a work based on it,
+under Section 2) in object code or executable form under the terms of
+Sections 1 and 2 above provided that you also do one of the following:
+
+    a) Accompany it with the complete corresponding machine-readable
+    source code, which must be distributed under the terms of Sections
+    1 and 2 above on a medium customarily used for software interchange; or,
+
+    b) Accompany it with a written offer, valid for at least three
+    years, to give any third party, for a charge no more than your
+    cost of physically performing source distribution, a complete
+    machine-readable copy of the corresponding source code, to be
+    distributed under the terms of Sections 1 and 2 above on a medium
+    customarily used for software interchange; or,
+
+    c) Accompany it with the information you received as to the offer
+    to distribute corresponding source code.  (This alternative is
+    allowed only for noncommercial distribution and only if you
+    received the program in object code or executable form with such
+    an offer, in accord with Subsection b above.)
+
+The source code for a work means the preferred form of the work for
+making modifications to it.  For an executable work, complete source
+code means all the source code for all modules it contains, plus any
+associated interface definition files, plus the scripts used to
+control compilation and installation of the executable.  However, as a
+special exception, the source code distributed need not include
+anything that is normally distributed (in either source or binary
+form) with the major components (compiler, kernel, and so on) of the
+operating system on which the executable runs, unless that component
+itself accompanies the executable.
+
+If distribution of executable or object code is made by offering
+access to copy from a designated place, then offering equivalent
+access to copy the source code from the same place counts as
+distribution of the source code, even though third parties are not
+compelled to copy the source along with the object code.
+
+  4. You may not copy, modify, sublicense, or distribute the Program
+except as expressly provided under this License.  Any attempt
+otherwise to copy, modify, sublicense or distribute the Program is
+void, and will automatically terminate your rights under this License.
+However, parties who have received copies, or rights, from you under
+this License will not have their licenses terminated so long as such
+parties remain in full compliance.
+
+  5. You are not required to accept this License, since you have not
+signed it.  However, nothing else grants you permission to modify or
+distribute the Program or its derivative works.  These actions are
+prohibited by law if you do not accept this License.  Therefore, by
+modifying or distributing the Program (or any work based on the
+Program), you indicate your acceptance of this License to do so, and
+all its terms and conditions for copying, distributing or modifying
+the Program or works based on it.
+
+  6. Each time you redistribute the Program (or any work based on the
+Program), the recipient automatically receives a license from the
+original licensor to copy, distribute or modify the Program subject to
+these terms and conditions.  You may not impose any further
+restrictions on the recipients' exercise of the rights granted herein.
+You are not responsible for enforcing compliance by third parties to
+this License.
+
+  7. If, as a consequence of a court judgment or allegation of patent
+infringement or for any other reason (not limited to patent issues),
+conditions are imposed on you (whether by court order, agreement or
+otherwise) that contradict the conditions of this License, they do not
+excuse you from the conditions of this License.  If you cannot
+distribute so as to satisfy simultaneously your obligations under this
+License and any other pertinent obligations, then as a consequence you
+may not distribute the Program at all.  For example, if a patent
+license would not permit royalty-free redistribution of the Program by
+all those who receive copies directly or indirectly through you, then
+the only way you could satisfy both it and this License would be to
+refrain entirely from distribution of the Program.
+
+If any portion of this section is held invalid or unenforceable under
+any particular circumstance, the balance of the section is intended to
+apply and the section as a whole is intended to apply in other
+circumstances.
+
+It is not the purpose of this section to induce you to infringe any
+patents or other property right claims or to contest validity of any
+such claims; this section has the sole purpose of protecting the
+integrity of the free software distribution system, which is
+implemented by public license practices.  Many people have made
+generous contributions to the wide range of software distributed
+through that system in reliance on consistent application of that
+system; it is up to the author/donor to decide if he or she is willing
+to distribute software through any other system and a licensee cannot
+impose that choice.
+
+This section is intended to make thoroughly clear what is believed to
+be a consequence of the rest of this License.
+
+  8. If the distribution and/or use of the Program is restricted in
+certain countries either by patents or by copyrighted interfaces, the
+original copyright holder who places the Program under this License
+may add an explicit geographical distribution limitation excluding
+those countries, so that distribution is permitted only in or among
+countries not thus excluded.  In such case, this License incorporates
+the limitation as if written in the body of this License.
+
+  9. The Free Software Foundation may publish revised and/or new versions
+of the General Public License from time to time.  Such new versions will
+be similar in spirit to the present version, but may differ in detail to
+address new problems or concerns.
+
+Each version is given a distinguishing version number.  If the Program
+specifies a version number of this License which applies to it and "any
+later version", you have the option of following the terms and conditions
+either of that version or of any later version published by the Free
+Software Foundation.  If the Program does not specify a version number of
+this License, you may choose any version ever published by the Free Software
+Foundation.
+
+  10. If you wish to incorporate parts of the Program into other free
+programs whose distribution conditions are different, write to the author
+to ask for permission.  For software which is copyrighted by the Free
+Software Foundation, write to the Free Software Foundation; we sometimes
+make exceptions for this.  Our decision will be guided by the two goals
+of preserving the free status of all derivatives of our free software and
+of promoting the sharing and reuse of software generally.
+
+                            NO WARRANTY
+
+  11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
+OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
+PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
+OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
+TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
+PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
+REPAIR OR CORRECTION.
+
+  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
+REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
+OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+    Gnomovision version 69, Copyright (C) year name of author
+    Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary.  Here is a sample; alter the names:
+
+  Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+  `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+  <signature of Ty Coon>, 1 April 1989
+  Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs.  If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.
diff --git a/assets/README.txt b/assets/README.txt
new file mode 100644
index 0000000000000000000000000000000000000000..37f7d8f29e3cf0e1744ce3f34c032f3ff0dbd414
--- /dev/null
+++ b/assets/README.txt
@@ -0,0 +1,51 @@
+SONIC ROBO BLAST 2
+
+Sonic Robo Blast 2 (SRB2) is a 3D Sonic the Hedgehog fangame based on a
+modified version of Doom Legacy.
+
+LICENSE
+
+The source code for SRB2 is licensed under the GNU General Public
+License, Version 2. See LICENSE.txt for the full text of this license.
+
+SRB2 uses various third-party libraries, including SDL, SDL Mixer, and
+their dependencies. See LICENSE-3RD-PARTY.txt for the licenses of these
+libraries.
+
+SOURCE CODE
+
+You may obtain the source code for SRB2, including the source code for
+specific version releases, at the following web sites:
+
+STJr GitLab:
+https://git.magicalgirl.moe/STJr/SRB2
+
+GitHub:
+https://github.com/STJr/SRB2
+
+CONTACT
+
+You may contact Sonic Team Junior via the following web sites:
+
+SRB2.ORG:
+https://www.srb2.org
+
+SRB2 Message Board:
+https://mb.srb2.org
+
+SRB2 Official Discord:
+https://discord.gg/pYDXzpX
+
+COPYRIGHT AND DISCLAIMER
+
+Design and content on SRB2 is copyright 1998-2018 by Sonic Team Junior.
+All non-original material on SRB2.ORG is copyrighted by their
+respective owners, and no copyright infringement is intended. The owner
+of the SRB2.ORG domain is only acting as an ISP, and is therefore not
+responsible for any content on SRB2.ORG under the 1998 DMCA. This
+site, its webmaster, and its staff make no profit whatsoever (in fact,
+we lose money). Sonic Team Junior assumes no responsibility for the
+content on any Sonic Team Junior fan sites.
+
+Sonic Team Junior is in no way affiliated with SEGA or Sonic Team. We do
+not claim ownership of any of SEGA's intellectual property used in SRB2.
diff --git a/assets/debian/README.Debian b/assets/debian/README.Debian
index 4d9f067ac008e3b9ecba2ee390eaea563174b1cc..68c952a4e8d0fa8dca227994afcb8d3bbd3cc38b 100644
--- a/assets/debian/README.Debian
+++ b/assets/debian/README.Debian
@@ -3,10 +3,45 @@ srb2 for Debian
 
 SRB2 Debian package!
 Hi there, to rebuild this package just use the SRB2 Makefile system, or, optionally, run
-dpkg-buildpackage in the in /bin/Resources directory. You can build these with or without a key
+dpkg-buildpackage in the in /assets directory. You can build these with or without a key
 if you want, but if you want to put these on a repo, generate your own GnuPG key as per the
 https://help.ubuntu.com/community/GnuPrivacyGuardHowto instructions and pass the -k<keyid>
 command to debuild. Make sure you export the key footprint and give them to your users to install
 with apt-key add. Thanks!
 
  -- Callum Dickinson <gcfreak_ag20@hotmail.com>  Fri, 26 Nov 2010 18:25:31 +1300
+
+
+Signing for Launchpad PPA
+
+First, follow the above instructions to generate a GnuPG key with your identity. You will need
+to publish the fingerprint of that key to Ubuntu's key server.
+
+    https://help.ubuntu.com/community/GnuPrivacyGuardHowto#Uploading_the_key_to_Ubuntu_keyserver
+
+Next, you will have to add that key fingerprint to your Launchpad account. Go to your Launchpad
+profile and click the yellow Edit button next to "OpenPGP keys". Once you add the key, you can
+upload signed source packages and publish them onto your PPA.
+
+IF YOU UPLOAD A PACKAGE and Launchpad does NOT send you a confirmation or rejection email, that
+means your key is not set up correctly with your Launchpad account.
+
+
+Building for Launchpad PPA
+
+Use these steps to prepare building a source package for Launchpad:
+
+    1. Highly recommend copying the assets/ folder to outside your repo folder, or else the asset
+       files may be included in the main source package, when you build that.
+    2. cd [wherever-your-assets-folder-is]/assets/
+    3. debuild -T clean (optional, if you already have asset files)
+
+Building the source package is a two-step process:
+
+    1. debuild -T build (this downloads the asset files from srb2.org if necessary)
+    2. debuild -S (builds the source package for Launchpad, including the asset files)
+
+Then follow the instructions at <https://help.launchpad.net/Packaging/PPA/Uploading> to upload
+to your PPA and have Launchpad build your binary deb packages.
+
+ -- Marco Zafra <marco.a.zafra@gmail.com>  Mon, 26 Nov 2018 21:13:00 -0500
diff --git a/assets/debian/changelog b/assets/debian/changelog
index a316b7df73f0a0f4e865d71416464f95358d6e3f..f3a92e1cdff72845820bcc8d2ef2cc2a119cb0d5 100644
--- a/assets/debian/changelog
+++ b/assets/debian/changelog
@@ -1,3 +1,10 @@
+srb2-data (2.1.21~7) trusty; urgency=high
+
+  * Updated for SRB2 v2.1.21
+
+ -- Marco Zafra <marco.a.zafra@gmail.com>  Mon, 26 Nov 2018 14:31:00 -0500
+
+
 srb2-data (2.1.14~1) unstable; urgency=low
 
   * Updated for SRB2 v2.1.14
diff --git a/assets/debian/control b/assets/debian/control
index 123b58429cd5306897688b5809cfc3bd851237e8..22d9643eedc665ced1dad165a878beabe98edb42 100644
--- a/assets/debian/control
+++ b/assets/debian/control
@@ -3,8 +3,9 @@
 Source: srb2-data
 Section: games
 Priority: extra
-Maintainer: Callum Dickinson <gcfreak_ag20@hotmail.com>
-Build-Depends: debhelper (>= 7.0.50~)
+Maintainer: Sonic Team Junior <stjr@srb2.org>
+Build-Depends: debhelper (>= 7.0.50~),
+ wget
 Standards-Version: 3.8.4
 Homepage: http://www.srb2.org
 
@@ -15,8 +16,7 @@ Description: A cross-platform 3D Sonic fangame
  fangame built using a modified version of the Doom Legacy
  port of Doom. SRB2 is closely inspired by the original
  Sonic games from the Sega Genesis, and attempts to recreate
- the design in 3D. While SRB2 isn't fully completed, it already
- features tons of levels, enemies, speed, and quite a lot
- of the fun that the original Sonic games provided.
+ the design in 3D. It features tons of levels, enemies, speed,
+ and quite a lot of the fun that the original Sonic games provided.
  This is the data package that provides the data files that
- SRB2 requires to run, it will not work without it.
+ SRB2 requires to run; it will not work without it.
diff --git a/assets/debian/copyright b/assets/debian/copyright
index 8a87051901174db490161b4b7588b2e9aae1bfbd..97d606b0fb67b73eaae1858f43652006edfd91b6 100644
--- a/assets/debian/copyright
+++ b/assets/debian/copyright
@@ -1,6 +1,6 @@
 This work was packaged for Debian by:
 
-    Callum Dickinson <gcfreak_ag20@hotmail.com> on Fri, 26 Nov 2010 15:19:16 +1300
+    Marco Zafra <marco.a.zafra@gmail.com>  Mon, 26 Nov 2018 14:31:00 -0500
 
 It was downloaded from:
 
@@ -12,7 +12,7 @@ Upstream Author(s):
 
 Copyright:
 
-    Copyright (C) 1998-2010 Sonic Team Junior
+    Copyright (C) 1998-2018 Sonic Team Junior
 
 License:
 
@@ -21,6 +21,7 @@ License:
 The Debian packaging is:
 
     Copyright (C) 2010 Callum Dickinson <gcfreak_ag20@hotmail.com>
+    Copyright (C) 2010-2018 Sonic Team Junior <stjr@srb2.org>
 
 and is licensed under the GPL version 2,
 see "/usr/share/common-licenses/GPL-2".
diff --git a/assets/debian/rules b/assets/debian/rules
index d86f92af2f81a8f63755431b95911ee2c2dfd204..a34a3393f261cbf019e4ddd06d8e38db884f45c2 100755
--- a/assets/debian/rules
+++ b/assets/debian/rules
@@ -37,7 +37,7 @@ RM	:= rm -rf
 DIR	:= $(shell pwd)
 
 PACKAGE := $(shell cat $(DIR)/debian/control | grep 'Package:' | sed -e 's/Package: //g')
-DATAFILES := srb2.srb zones.dta player.dta rings.dta music.dta
+DATAFILES := srb2.srb zones.dta player.dta rings.dta music.dta patch.dta README.txt LICENSE.txt LICENSE-3RD-PARTY.txt
 
 DATADIR	:= usr/games/SRB2
 RESOURCEDIR := .
@@ -45,16 +45,21 @@ WGET	:= wget -P $(RESOURCEDIR) -c -nc
 
 build:
 	$(MKDIR) $(DIR)/debian/tmp/$(DATADIR)
+	> $(DIR)/debian/source/include-binaries
 	# This will need to be updated every time SRB2 official version is
 	# Copy data files to their install locations, and add data files to include-binaries
 	for file in $(DATAFILES); do \
-		$(WGET) http://alam.srb2.org/SRB2/2.1.14-Final/Resources/$$file; \
-		if test "$$file" = "srb2.wad"; then \
-			$(INSTALL) $(RESOURCEDIR)/$$file $(DIR)/debian/tmp/$(DATADIR)/srb2.srb; \
-		else \
+		if [ ! -f $(RESOURCEDIR)/$$file ]; then \
+			$(WGET) http://alam.srb2.org/SRB2/2.1.21-Final/Resources/$$file; \
+		fi; \
+		if [ -f $(RESOURCEDIR)/$$file ]; then \
 			$(INSTALL) $(RESOURCEDIR)/$$file $(DIR)/debian/tmp/$(DATADIR)/$$file; \
+			echo $(RESOURCEDIR)/$$file >> $(DIR)/debian/source/include-binaries; \
+		fi; \
+		if [ ! -f $(DIR)/debian/tmp/$(DATADIR)/$$file ]; then \
+			echo $(DIR)/debian/tmp/$(DATADIR)/$$file not found and could not be downloaded!; \
+			return 1; \
 		fi; \
-		echo $(RESOURCEDIR)/$$file >> $(DIR)/debian/source/include-binaries; \
 	done
 
 binary-indep:
@@ -95,15 +100,18 @@ binary: binary-indep
 	dh_builddeb
 
 clean:
-	$(RM) $(RESOURCEDIR)/*.wad
-	$(RM) $(RESOURCEDIR)/*.dta
-	$(RM) $(RESOURCEDIR)/*.plr
-	$(RM) $(RESOURCEDIR)/*.wpn
-	$(RM) $(RESOURCEDIR)/*.srb
-	$(RM) $(RESOURCEDIR)/*.dll
-	$(RM) $(DIR)/debian/tmp/*
-	$(RM) $(DIR)/debian/$(PACKAGE).install
-	$(RM) $(DIR)/debian/files
-	$(RM) $(DIR)/debian/source/include-binaries
+	$(RM) $(DIR)/debian/tmp/*; \
+	$(RM) $(DIR)/debian/$(PACKAGE).install; \
+	$(RM) $(DIR)/debian/files; \
+
+clean-all: clean
+	$(RM) $(RESOURCEDIR)/*.wad; \
+	$(RM) $(RESOURCEDIR)/*.dta; \
+	$(RM) $(RESOURCEDIR)/*.plr; \
+	$(RM) $(RESOURCEDIR)/*.wpn; \
+	$(RM) $(RESOURCEDIR)/*.srb; \
+	$(RM) $(RESOURCEDIR)/*.dll; \
+	$(RM) $(RESOURCEDIR)/*.txt; \
+	$(RM) $(DIR)/debian/source/include-binaries; \
 
 .PHONY: all clean binary binary-arch binary-indep build
diff --git a/assets/debian/source/options b/assets/debian/source/options
new file mode 100644
index 0000000000000000000000000000000000000000..8b331485a6486e38af36b64be37954c2aa2579c4
--- /dev/null
+++ b/assets/debian/source/options
@@ -0,0 +1 @@
+tar-ignore = "tmp/*"
diff --git a/bin/Resources/exchndl.dll b/bin/Resources/i686/exchndl.dll
similarity index 100%
rename from bin/Resources/exchndl.dll
rename to bin/Resources/i686/exchndl.dll
diff --git a/bin/Resources/fmod.dll b/bin/Resources/i686/fmod.dll
similarity index 100%
rename from bin/Resources/fmod.dll
rename to bin/Resources/i686/fmod.dll
diff --git a/bin/Resources/fmodex.dll b/bin/Resources/i686/fmodex.dll
similarity index 100%
rename from bin/Resources/fmodex.dll
rename to bin/Resources/i686/fmodex.dll
diff --git a/bin/Resources/fmodexL.dll b/bin/Resources/i686/fmodexL.dll
similarity index 100%
rename from bin/Resources/fmodexL.dll
rename to bin/Resources/i686/fmodexL.dll
diff --git a/bin/Resources/libgcc_s_dw2-1.dll b/bin/Resources/i686/libgcc_s_dw2-1.dll
similarity index 100%
rename from bin/Resources/libgcc_s_dw2-1.dll
rename to bin/Resources/i686/libgcc_s_dw2-1.dll
diff --git a/bin/Resources/libgme.dll b/bin/Resources/i686/libgme.dll
similarity index 100%
rename from bin/Resources/libgme.dll
rename to bin/Resources/i686/libgme.dll
diff --git a/bin/Resources/libintl-8.dll b/bin/Resources/i686/libintl-8.dll
similarity index 100%
rename from bin/Resources/libintl-8.dll
rename to bin/Resources/i686/libintl-8.dll
diff --git a/bin/Resources/fmod64.dll b/bin/Resources/x86_64/fmod64.dll
similarity index 100%
rename from bin/Resources/fmod64.dll
rename to bin/Resources/x86_64/fmod64.dll
diff --git a/bin/Resources/fmodex64.dll b/bin/Resources/x86_64/fmodex64.dll
similarity index 100%
rename from bin/Resources/fmodex64.dll
rename to bin/Resources/x86_64/fmodex64.dll
diff --git a/bin/Resources/fmodexL64.dll b/bin/Resources/x86_64/fmodexL64.dll
similarity index 100%
rename from bin/Resources/fmodexL64.dll
rename to bin/Resources/x86_64/fmodexL64.dll
diff --git a/bin/Resources/x86_64/libgme.dll b/bin/Resources/x86_64/libgme.dll
new file mode 100644
index 0000000000000000000000000000000000000000..2ba99450f5c7a9372a5eaa67ccdb1ee20dd5c81c
Binary files /dev/null and b/bin/Resources/x86_64/libgme.dll differ
diff --git a/debian/README.Debian b/debian/README.Debian
index bbc306b163b7bd8b9b5864f1542b54fccacc47cd..4b724816e2beee374009a34282c0061b85b2db0d 100644
--- a/debian/README.Debian
+++ b/debian/README.Debian
@@ -9,3 +9,38 @@ instructions and pass the -k<keyid> command to debuild. Make sure you export the
 and give them to your users to install with apt-key add. Thanks!
 
  -- Callum Dickinson <gcfreak_ag20@hotmail.com>  Fri, 26 Nov 2010 18:25:31 +1300
+
+
+Signing for Launchpad PPA
+
+First, follow the above instructions to generate a GnuPG key with your identity. You will need
+to publish the fingerprint of that key to Ubuntu's key server.
+
+    https://help.ubuntu.com/community/GnuPrivacyGuardHowto#Uploading_the_key_to_Ubuntu_keyserver
+
+Next, you will have to add that key fingerprint to your Launchpad account. Go to your Launchpad
+profile and click the yellow Edit button next to "OpenPGP keys". Once you add the key, you can
+upload signed source packages and publish them onto your PPA.
+
+IF YOU UPLOAD A PACKAGE and Launchpad does NOT send you a confirmation or rejection email, that
+means your key is not set up correctly with your Launchpad account.
+
+
+Building for Launchpad PPA
+
+Use these steps to prepare building a source package for Launchpad:
+
+    1. cd [srb2repo]
+    2. git reset --hard; git clean -fd; git clean -fx;
+       * Resets your repo folder to a committed state and removes untracked files
+       * If you built srb2-data in the assets/ folder, MAKE SURE THAT FOLDER DOES NOT HAVE ASSETS,
+         OR THEY MAY BE INCLUDED IN THE MAIN SOURCE PACKAGE!
+
+Building the source package takes just one step:
+
+    1. debuild -S (builds the source package for Launchpad)
+
+Then follow the instructions at <https://help.launchpad.net/Packaging/PPA/Uploading> to upload
+to your PPA and have Launchpad build your binary deb packages.
+
+ -- Marco Zafra <marco.a.zafra@gmail.com>  Mon, 26 Nov 2018 21:13:00 -0500
diff --git a/debian/README.source b/debian/README.source
index ff2dddd41ca2c88c56206f5b26d0da2c195bf7ba..f63a42cac60d685306c740792907b39dae522b0d 100644
--- a/debian/README.source
+++ b/debian/README.source
@@ -22,6 +22,10 @@ Build instructions:
 
 make -C src LINUX=1
 
+Build instructions for non-X86 devices (such as X64):
+
+make -C src LINUX=1 NONX86=1
+
 Build instructions to build for Wii Linux/SRB2Wii on a PowerPC system,
 follow cross-compiling instructions for cross-compiling on a x86 system:
 
diff --git a/debian/changelog b/debian/changelog
index b454b1abdd5405d131b5daeb091c73526b16af28..855c1c1b35a8ff767f25a017ab5bebbb50c2614f 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+srb2 (2.1.21~9) trusty; urgency=high
+
+  * SRB2 v2.1.21 release
+
+ -- Marco Zafra <marco.a.zafra@gmail.com>  Mon, 27 Nov 2018 16:45:00 -0500
+
+
 srb2 (2.0.6-5) maverick; urgency=high
 
   * Initial proper release..
diff --git a/debian/control b/debian/control
index 63b075f17d9eaa8c18680629cc9fab1cf0652ce3..ce3b33fbdae1efb642b80591d8920436f18f0a9f 100644
--- a/debian/control
+++ b/debian/control
@@ -3,11 +3,13 @@
 Source: srb2
 Section: games
 Priority: extra
-Maintainer: Callum Dickinson <gcfreak_ag20@hotmail.com>
+Maintainer: Sonic Team Junior <stjr@srb2.org>
 Build-Depends: debhelper (>= 7.0.50~),
  libsdl2-dev,
  libsdl2-mixer-dev,
- libpng12-dev (>= 1.2.7),
+ libpng12-dev (>= 1.2.7) | libpng-dev,
+ zlib1g-dev,
+ libgme-dev,
  libglu1-dev | libglu-dev,
  libosmesa6-dev | libgl-dev,
  nasm [i386]
@@ -16,27 +18,26 @@ Homepage: http://www.srb2.org
 
 Package: srb2
 Architecture: any
-Depends: ${shlibs:Depends}, ${misc:Depends}, srb2-data (= 2.1.14)
+Depends: ${shlibs:Depends}, ${misc:Depends}, srb2-data (>= 2.1.15), srb2-data (<= 2.1.21)
 Description: A cross-platform 3D Sonic fangame
  Sonic Robo Blast 2 is a 3D open-source Sonic the Hedgehog
  fangame built using a modified version of the Doom Legacy
  port of Doom. SRB2 is closely inspired by the original
  Sonic games from the Sega Genesis, and attempts to recreate
- the design in 3D. While SRB2 isn't fully completed, it already
- features tons of levels, enemies, speed, and quite a lot
- of the fun that the original Sonic games provided.
+ the design in 3D. It features tons of levels, enemies, speed,
+ and quite a lot of the fun that the original Sonic games provided.
+
 
 Package: srb2-dbg
 Architecture: any
 # FIXME: should be Depends: ${shlibs:Depends}, ${misc:Depends}, srb2-data (= 2.1.14), srb2 but dh_shlibdeps is being an asshat
-Depends: libc6, ${misc:Depends}, srb2-data (= 2.1.14), srb2
+Depends: libc6, ${misc:Depends}, srb2-data (>= 2.1.15), srb2-data (<= 2.1.21), srb2
 Description: A cross-platform 3D Sonic fangame
  Sonic Robo Blast 2 is a 3D open-source Sonic the Hedgehog
  fangame built using a modified version of the Doom Legacy
  port of Doom. SRB2 is closely inspired by the original
  Sonic games from the Sega Genesis, and attempts to recreate
- the design in 3D. While SRB2 isn't fully completed, it already
- features tons of levels, enemies, speed, and quite a lot
- of the fun that the original Sonic games provided.
- This is a debug binary, its symbols will be loaded by gdb
+ the design in 3D. It features tons of levels, enemies, speed,
+ and quite a lot of the fun that the original Sonic games provided.
+ This is a debug binary; its symbols will be loaded by gdb
  when the user starts the game with gdb for debugging.
diff --git a/debian/copyright b/debian/copyright
index 8a87051901174db490161b4b7588b2e9aae1bfbd..97d606b0fb67b73eaae1858f43652006edfd91b6 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -1,6 +1,6 @@
 This work was packaged for Debian by:
 
-    Callum Dickinson <gcfreak_ag20@hotmail.com> on Fri, 26 Nov 2010 15:19:16 +1300
+    Marco Zafra <marco.a.zafra@gmail.com>  Mon, 26 Nov 2018 14:31:00 -0500
 
 It was downloaded from:
 
@@ -12,7 +12,7 @@ Upstream Author(s):
 
 Copyright:
 
-    Copyright (C) 1998-2010 Sonic Team Junior
+    Copyright (C) 1998-2018 Sonic Team Junior
 
 License:
 
@@ -21,6 +21,7 @@ License:
 The Debian packaging is:
 
     Copyright (C) 2010 Callum Dickinson <gcfreak_ag20@hotmail.com>
+    Copyright (C) 2010-2018 Sonic Team Junior <stjr@srb2.org>
 
 and is licensed under the GPL version 2,
 see "/usr/share/common-licenses/GPL-2".
diff --git a/debian/docs b/debian/docs
index b43bf86b50fd8d3529a0dc062c30006ed38f309e..dba2cd4c89e5439e9c8f0fddeae28dfaaf62dbf3 100644
--- a/debian/docs
+++ b/debian/docs
@@ -1 +1,4 @@
 README.md
+assets/README.txt
+assets/LICENSE.txt
+assets/LICENSE-3RD-PARTY.txt
diff --git a/debian/rules b/debian/rules
index e49784a0f21925400271c273bd547a1ffac93faf..02e3dc78ece7f4579f974ec22542f8661b10cde7 100755
--- a/debian/rules
+++ b/debian/rules
@@ -57,21 +57,32 @@ SECTION = Games/Action
 EXENAME = srb2
 DBGNAME	= debug/$(EXENAME)
 
-PKGDIR	= usr/games
+PKGDIR	= usr/games/SRB2
 DBGDIR	= usr/lib/debug/$(PKGDIR)
 PIXMAPS_DIR = usr/share/pixmaps
 DESKTOP_DIR = usr/share/applications
 PREFIX	= $(shell test "$(CROSS_COMPILE_BUILD)" != "$(CROSS_COMPILE_HOST)" && echo "PREFIX=$(CROSS_COMPILE_HOST)")
 OS	= LINUX=1
 NONX86	= $(shell test "`echo $(CROSS_COMPILE_HOST) | grep 'i[3-6]86'`" || echo "NONX86=1")
-MAKEARGS = $(OS) $(NONX86) $(PREFIX) EXENAME=$(EXENAME) DBGNAME=$(DBGNAME) SDL_PKGCONFIG=sdl2 PNG_PKGCONFIG=libpng NOOBJDUMP=1
+MAKEARGS = $(OS) $(NONX86) $(PREFIX) EXENAME=$(EXENAME) DBGNAME=$(DBGNAME) NOOBJDUMP=1 # SDL_PKGCONFIG=sdl2 PNG_PKGCONFIG=libpng
 MENUFILE1 = ?package($(PACKAGE)):needs="X11" section="$(SECTION)"
 MENUFILE2 = title="$(TITLE)" command="/$(PKGDIR)/$(PACKAGE)"
-# FIXME pkg-config dir hacks
-export PKG_CONFIG_LIBDIR = /usr/lib/$(CROSS_COMPILE_HOST)/pkgconfig
 BINDIR :=  $(DIR)/bin/Linux/Release
+
+# FIXME pkg-config dir hacks
+# Launchpad doesn't need this; it actually makes i386 builds fail due to cross-compile
+# export PKG_CONFIG_LIBDIR = /usr/lib/$(CROSS_COMPILE_HOST)/pkgconfig
 LDFLAGS += "-Wl,-rpath=/usr/lib/$(CROSS_COMPILE_HOST)"
 
+# Some libgme-dev packages don't use pkg-config yet, so include the linker flag ourselves
+PKG_CONFIG?=pkg-config
+LIBGME_PKGCONFIG?=libgme
+LIBGME_LDFLAGS?=$(shell $(PKG_CONFIG) $(LIBGME_PKGCONFIG) --libs)
+
+ifeq ($(LIBGME_LDFLAGS),)
+MAKEARGS += LIBGME_LDFLAGS=-lgme
+endif
+
 build:
 	$(MKDIR) $(BINDIR)/debug
 	$(MAKE) -C $(DIR)/src $(MAKEARGS)
@@ -100,8 +111,8 @@ binary-arch:
 	echo $(DESKTOP_DIR) >> $(DIR)/debian/$(PACKAGE).install
 	echo $(PIXMAPS_DIR) >> $(DIR)/debian/$(PACKAGE).install
 	echo $(DBGDIR) > $(DIR)/debian/$(DBGPKG).install
-
-binary: binary-arch
+# Launchpad only calls binary-arch, so just move everything up
+#binary: binary-arch
 	# Generate .desktop specifications
 	echo "`echo '$(MENUFILE1)\\'`" > $(DIR)/debian/menu
 	echo " `echo '$(MENUFILE2)'`" >> $(DIR)/debian/menu
@@ -133,6 +144,8 @@ binary: binary-arch
 	dh_md5sums
 	dh_builddeb
 
+binary: binary-arch
+
 clean:
 	$(MAKE) -C $(DIR)/src $(MAKEARGS) clean cleandep
 	$(RM) $(BINDIR)/*
@@ -145,4 +158,4 @@ clean:
 	$(RM) $(DIR)/debian/files
 	$(RM) $(DIR)/debian/source/include-binaries
 
-.PHONY: all clean binary binary-arch binary-indep build
+.PHONY: all clean binary binary-indep build
diff --git a/debian/source/options b/debian/source/options
new file mode 100644
index 0000000000000000000000000000000000000000..841c65a6f05e48766e4f9c6519222c25f9ecf7be
--- /dev/null
+++ b/debian/source/options
@@ -0,0 +1,10 @@
+tar-ignore = "assets/*.srb"
+tar-ignore = "assets/*.pk3"
+tar-ignore = "assets/*.dta"
+tar-ignore = "assets/*.wad"
+tar-ignore = "assets/debian/srb2-data/*"
+tar-ignore = "assets/debian/tmp/*"
+tar-ignore = "*.obj"
+tar-ignore = "*.dep"
+tar-ignore = ".git/*"
+tar-ignore = ".git*"
diff --git a/debian/srb2.desktop b/debian/srb2.desktop
index 661832b93d4364c8011e08c841df415b6131553e..3a1cac9f68e5dfb84a97ee4f3151af31ea64036a 100644
--- a/debian/srb2.desktop
+++ b/debian/srb2.desktop
@@ -1,8 +1,8 @@
 [Desktop Entry]
 Name=Sonic Robo Blast 2
-Comment=A free 3D Sonic the Hedgehog fan-game built using a modified ver. of the Doom Legacy source port
+Comment=A free 3D Sonic the Hedgehog fangame closely inspired by the original Sonic games on the Sega Genesis.
 Encoding=UTF-8
-Exec=srb2
+Exec=/usr/games/SRB2/srb2
 Icon=/usr/share/pixmaps/srb2.png
 Terminal=false
 Type=Application
diff --git a/libs/SDL2/COPYING.txt b/libs/SDL2/COPYING.txt
index a1c8bbe5af9caeda179d70c7476e023325d29067..694e58a09f009850b9ea7a1d617560d561a80200 100644
--- a/libs/SDL2/COPYING.txt
+++ b/libs/SDL2/COPYING.txt
@@ -1,6 +1,6 @@
 
 Simple DirectMedia Layer
-Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
   
 This software is provided 'as-is', without any express or implied
 warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/Makefile b/libs/SDL2/Makefile
index a2e6bb9ba08cca81bbcc29d53898d74c2730a737..9edfd003e83e0fc85e28622d61634d5475551dd8 100644
--- a/libs/SDL2/Makefile
+++ b/libs/SDL2/Makefile
@@ -1,12 +1,12 @@
 #
 # Makefile for installing the mingw32 version of the SDL library
 
-CROSS_PATH := /usr/local/cross-tools
+CROSS_PATH := /usr/local
 ARCHITECTURES := i686-w64-mingw32 x86_64-w64-mingw32
 
 all install:
 	@echo "Type \"make native\" to install 32-bit to /usr"
-	@echo "Type \"make cross\" to install 32-bit and 64-bit to CROSS_PATH ($(CROSS_PATH))"
+	@echo "Type \"make cross\" to install 32-bit and 64-bit to $(CROSS_PATH)"
 
 native:
 	make install-package arch=i686-w64-mingw32 prefix=/usr
@@ -22,6 +22,7 @@ install-package:
 	    sed "s|^prefix=.*|prefix=$(prefix)|" <$(arch)/bin/sdl2-config >$(prefix)/bin/sdl2-config; \
 	    chmod 755 $(prefix)/bin/sdl2-config; \
 	    sed "s|^libdir=.*|libdir=\'$(prefix)/lib\'|" <$(arch)/lib/libSDL2.la >$(prefix)/lib/libSDL2.la; \
+	    sed "s|^libdir=.*|libdir=\'$(prefix)/lib\'|" <$(arch)/lib/libSDL2main.la >$(prefix)/lib/libSDL2main.la; \
 	    sed "s|^prefix=.*|prefix=$(prefix)|" <$(arch)/lib/pkgconfig/sdl2.pc >$(prefix)/lib/pkgconfig/sdl2.pc; \
 	else \
 	    echo "*** ERROR: $(arch) or $(prefix) does not exist!"; \
diff --git a/libs/SDL2/SRB2NOTE.txt b/libs/SDL2/SRB2NOTE.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b7da4c9ab31061e8961722cf92af9f0a4e7afe51
--- /dev/null
+++ b/libs/SDL2/SRB2NOTE.txt
@@ -0,0 +1,15 @@
+# SDL Development Libaries
+
+Download both the VC and MinGW packages and extract them here.
+
+https://www.libsdl.org/download-2.0.php
+
+## VC Package
+
+* include
+* lib
+
+## MinGW Package
+
+* i686-w64-mingw32
+* x86_64-w64-mingw32
diff --git a/libs/SDL2/WhatsNew.txt b/libs/SDL2/WhatsNew.txt
index 9c8d538403e8b89000e0e27f7a8bc3b3d1fca26f..9074b12ba7056cc4f81881a1e1ddf0274eab60d3 100644
--- a/libs/SDL2/WhatsNew.txt
+++ b/libs/SDL2/WhatsNew.txt
@@ -1,6 +1,91 @@
 
 This is a list of major changes in SDL's version history.
 
+---------------------------------------------------------------------------
+2.0.9:
+---------------------------------------------------------------------------
+
+General:
+* Added a new sensor API, initialized by passing SDL_INIT_SENSOR to SDL_Init(), and defined in SDL_sensor.h
+* Added an event SDL_SENSORUPDATE which is sent when a sensor is updated
+* Added SDL_GetDisplayOrientation() to return the current display orientation
+* Added an event SDL_DISPLAYEVENT which is sent when the display orientation changes
+* Added HIDAPI joystick drivers for more consistent support for Xbox, PS4 and Nintendo Switch Pro controller support across platforms. (Thanks to Valve for contributing the PS4 and Nintendo Switch Pro controller support)
+* Added support for many other popular game controllers
+* Added SDL_JoystickGetDevicePlayerIndex(), SDL_JoystickGetPlayerIndex(), and SDL_GameControllerGetPlayerIndex() to get the player index for a controller. For XInput controllers this returns the XInput index for the controller.
+* Added SDL_GameControllerRumble() and SDL_JoystickRumble() which allow simple rumble without using the haptics API
+* Added SDL_GameControllerMappingForDeviceIndex() to get the mapping for a controller before it's opened
+* Added the hint SDL_HINT_MOUSE_DOUBLE_CLICK_TIME to control the mouse double-click time
+* Added the hint SDL_HINT_MOUSE_DOUBLE_CLICK_RADIUS to control the mouse double-click radius, in pixels
+* Added SDL_HasColorKey() to return whether a surface has a colorkey active
+* Added SDL_HasAVX512F() to return whether the CPU has AVX-512F features
+* Added SDL_IsTablet() to return whether the application is running on a tablet
+* Added SDL_THREAD_PRIORITY_TIME_CRITICAL for threads that must run at the highest priority
+
+Mac OS X:
+* Fixed black screen at start on Mac OS X Mojave
+
+Linux:
+* Added SDL_LinuxSetThreadPriority() to allow adjusting the thread priority of native threads using RealtimeKit if available.
+
+iOS:
+* Fixed Asian IME input
+
+Android:
+* Updated required Android SDK to API 26, to match Google's new App Store requirements
+* Added support for wired USB Xbox, PS4, and Nintendo Switch Pro controllers
+* Added support for relative mouse mode on Android 7.0 and newer (except where it's broken, on Chromebooks and when in DeX mode with Samsung Experience 9.0)
+* Added support for custom mouse cursors on Android 7.0 and newer
+* Added the hint SDL_HINT_ANDROID_TRAP_BACK_BUTTON to control whether the back button will back out of the app (the default) or be passed to the application as SDL_SCANCODE_AC_BACK
+* Added SDL_AndroidBackButton() to trigger the Android system back button behavior when handling the back button in the application
+* Added SDL_IsChromebook() to return whether the app is running in the Chromebook Android runtime
+* Added SDL_IsDeXMode() to return whether the app is running while docked in the Samsung DeX
+
+
+---------------------------------------------------------------------------
+2.0.8:
+---------------------------------------------------------------------------
+
+General:
+* Added SDL_fmod() and SDL_log10()
+* Each of the SDL math functions now has the corresponding float version
+* Added SDL_SetYUVConversionMode() and SDL_GetYUVConversionMode() to control the formula used when converting to and from YUV colorspace. The options are JPEG, BT.601, and BT.709
+
+Windows:
+* Implemented WASAPI support on Windows UWP and removed the deprecated XAudio2 implementation
+* Added resampling support on WASAPI on Windows 7 and above
+
+Windows UWP:
+* Added SDL_WinRTGetDeviceFamily() to find out what type of device your application is running on
+
+Mac OS X:
+* Added support for the Vulkan SDK for Mac:
+  https://www.lunarg.com/lunarg-releases-vulkan-sdk-1-0-69-0-for-mac/
+* Added support for OpenGL ES using ANGLE when it's available
+
+Mac OS X / iOS / tvOS:
+* Added a Metal 2D render implementation
+* Added SDL_RenderGetMetalLayer() and SDL_RenderGetMetalCommandEncoder() to insert your own drawing into SDL rendering when using the Metal implementation
+
+iOS:
+* Added the hint SDL_HINT_IOS_HIDE_HOME_INDICATOR to control whether the home indicator bar on iPhone X should be hidden. This defaults to dimming the indicator for fullscreen applications and showing the indicator for windowed applications.
+
+iOS / Android:
+* Added the hint SDL_HINT_RETURN_KEY_HIDES_IME to control whether the return key on the software keyboard should hide the keyboard or send a key event (the default)
+
+Android:
+* SDL now supports building with Android Studio and Gradle by default, and the old Ant project is available in android-project-ant
+* SDL now requires the API 19 SDK to build, but can still target devices down to API 14 (Android 4.0.1)
+* Added SDL_IsAndroidTV() to tell whether the application is running on Android TV
+
+Android / tvOS:
+* Added the hint SDL_HINT_TV_REMOTE_AS_JOYSTICK to control whether TV remotes should be listed as joystick devices (the default) or send keyboard events.
+
+Linux:
+* Added the hint SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR to control whether the X server should skip the compositor for the SDL application. This defaults to "1"
+* Added the hint SDL_HINT_VIDEO_DOUBLE_BUFFER to control whether the Raspberry Pi and KMSDRM video drivers should use double or triple buffering (the default)
+
+
 ---------------------------------------------------------------------------
 2.0.7:
 ---------------------------------------------------------------------------
diff --git a/libs/SDL2/docs/README-android.md b/libs/SDL2/docs/README-android.md
index 62874f4355ae2c46c6aec864f370d9a258e26eb8..7f3263dc3afe769c96f3503150281c5cb3b7bd60 100644
--- a/libs/SDL2/docs/README-android.md
+++ b/libs/SDL2/docs/README-android.md
@@ -4,20 +4,24 @@ Android
 Matt Styles wrote a tutorial on building SDL for Android with Visual Studio:
 http://trederia.blogspot.de/2017/03/building-sdl2-for-android-with-visual.html
 
-The rest of this README covers the old style build process.
+The rest of this README covers the Android gradle style build process.
+
+If you are using the older ant build process, it is no longer officially
+supported, but you can use the "android-project-ant" directory as a template.
+
 
 ================================================================================
  Requirements
 ================================================================================
 
-Android SDK (version 16 or later)
+Android SDK (version 26 or later)
 https://developer.android.com/sdk/index.html
 
-Android NDK r7 or later
+Android NDK r15c or later
 https://developer.android.com/tools/sdk/ndk/index.html
 
-Minimum API level supported by SDL: 10 (Android 2.3.3)
-Joystick support is available for API level >= 12 devices.
+Minimum API level supported by SDL: 14 (Android 4.0.1)
+
 
 ================================================================================
  How the port works
@@ -31,15 +35,12 @@ Joystick support is available for API level >= 12 devices.
 - This eventually produces a standard Android .apk package
 
 The Android Java code implements an "Activity" and can be found in:
-android-project/src/org/libsdl/app/SDLActivity.java
+android-project/app/src/main/java/org/libsdl/app/SDLActivity.java
 
 The Java code loads your game code, the SDL shared library, and
 dispatches to native functions implemented in the SDL library:
 src/core/android/SDL_android.c
 
-Your project must include some glue code that starts your main() routine:
-src/main/android/SDL_android_main.c
-
 
 ================================================================================
  Building an app
@@ -74,71 +75,30 @@ For more complex projects, follow these instructions:
     
 1. Copy the android-project directory wherever you want to keep your projects
    and rename it to the name of your project.
-2. Move or symlink this SDL directory into the "<project>/jni" directory
-3. Edit "<project>/jni/src/Android.mk" to include your source files
-4. Run 'ndk-build' (a script provided by the NDK). This compiles the C source
-
-If you want to use the Eclipse IDE, skip to the Eclipse section below.
+2. Move or symlink this SDL directory into the "<project>/app/jni" directory
+3. Edit "<project>/app/jni/src/Android.mk" to include your source files
 
-5. Create "<project>/local.properties" and use that to point to the Android SDK directory, by writing a line with the following form:
+4a. If you want to use Android Studio, simply open your <project> directory and start building.
 
-       sdk.dir=PATH_TO_ANDROID_SDK
-
-6. Run 'ant debug' in android/project. This compiles the .java and eventually 
-   creates a .apk with the native code embedded
-7. 'ant debug install' will push the apk to the device or emulator (if connected)
+4b. If you want to build manually, run './gradlew installDebug' in the project directory. This compiles the .java, creates an .apk with the native code embedded, and installs it on any connected Android device
 
 Here's an explanation of the files in the Android project, so you can customize them:
 
-    android-project/
-        AndroidManifest.xml	- package manifest. Among others, it contains the class name
-        			  of the main Activity and the package name of the application.
-        build.properties	- empty
-        build.xml		- build description file, used by ant. The actual application name
-        			  is specified here.
-        default.properties	- holds the target ABI for the application, android-10 and up
-        project.properties	- holds the target ABI for the application, android-10 and up
-        local.properties	- holds the SDK path, you should change this to the path to your SDK
+    android-project/app
+        build.gradle            - build info including the application version and SDK
+        src/main/AndroidManifest.xml	- package manifest. Among others, it contains the class name of the main Activity and the package name of the application.
         jni/			- directory holding native code
-        jni/Android.mk		- Android makefile that can call recursively the Android.mk files
-        			  in all subdirectories
+        jni/Application.mk	- Application JNI settings, including target platform and STL library
+        jni/Android.mk		- Android makefile that can call recursively the Android.mk files in all subdirectories
         jni/SDL/		- (symlink to) directory holding the SDL library files
         jni/SDL/Android.mk	- Android makefile for creating the SDL shared library
         jni/src/		- directory holding your C/C++ source
-        jni/src/Android.mk	- Android makefile that you should customize to include your 
-                                  source code and any library references
-        res/			- directory holding resources for your application
-        res/drawable-*		- directories holding icons for different phone hardware. Could be
-        			  one dir called "drawable".
-        res/layout/main.xml	- Usually contains a file main.xml, which declares the screen layout.
-        			  We don't need it because we use the SDL video output.
-        res/values/strings.xml	- strings used in your application, including the application name
-        			  shown on the phone.
-        src/org/libsdl/app/SDLActivity.java - the Java class handling the initialization and binding
-        			  to SDL.  Be very careful changing this, as the SDL library relies
-        			  on this implementation.
-
-
-================================================================================
- Build an app with static linking of libSDL
-================================================================================
-
-This build uses the Android NDK module system.
-
-Instructions:
-1. Copy the android-project directory wherever you want to keep your projects
-   and rename it to the name of your project.
-2. Rename "<project>/jni/src/Android_static.mk" to "<project>/jni/src/Android.mk"
-   (overwrite the existing one)
-3. Edit "<project>/jni/src/Android.mk" to include your source files
-4. create and export an environment variable named NDK_MODULE_PATH that points
-   to the parent directory of this SDL directory. e.g.:
-
-       export NDK_MODULE_PATH="$PWD"/..
-
-5. Edit "<project>/src/org/libsdl/app/SDLActivity.java" and remove the call to
-   System.loadLibrary("SDL2").
-6. Run 'ndk-build' (a script provided by the NDK). This compiles the C source
+        jni/src/Android.mk	- Android makefile that you should customize to include your source code and any library references
+        src/main/assets/	- directory holding asset files for your application
+        src/main/res/		- directory holding resources for your application
+        src/main/res/mipmap-*	- directories holding icons for different phone hardware
+        src/main/res/values/strings.xml	- strings used in your application, including the application name
+        src/main/java/org/libsdl/app/SDLActivity.java - the Java class handling the initialization and binding to SDL. Be very careful changing this, as the SDL library relies on this implementation. You should instead subclass this for your application.
 
 
 ================================================================================
@@ -171,25 +131,23 @@ Here's an example of a minimal class file:
 Then replace "SDLActivity" in AndroidManifest.xml with the name of your
 class, .e.g. "MyGame"
 
+
 ================================================================================
  Customizing your application icon
 ================================================================================
 
 Conceptually changing your icon is just replacing the "ic_launcher.png" files in
-the drawable directories under the res directory. There are four directories for
-different screen sizes. These can be replaced with one dir called "drawable",
-containing an icon file "ic_launcher.png" with dimensions 48x48 or 72x72.
+the drawable directories under the res directory. There are several directories
+for different screen sizes.
 
-You may need to change the name of your icon in AndroidManifest.xml to match
-this icon filename.
 
 ================================================================================
  Loading assets
 ================================================================================
 
-Any files you put in the "assets" directory of your android-project directory
-will get bundled into the application package and you can load them using the
-standard functions in SDL_rwops.h.
+Any files you put in the "app/src/main/assets" directory of your project
+directory will get bundled into the application package and you can load
+them using the standard functions in SDL_rwops.h.
 
 There are also a few Android specific functions that allow you to get other
 useful paths for saving and loading data:
@@ -211,6 +169,7 @@ disable this behaviour, see for example:
     
 http://ponystyle.com/blog/2010/03/26/dealing-with-asset-compression-in-android-apps/
 
+
 ================================================================================
  Pause / Resume behaviour
 ================================================================================
@@ -231,6 +190,7 @@ a specific message, (which is not yet implemented!) and restore your textures
 manually or quit the app (which is actually the kind of behaviour you'll see
 under iOS, if the OS can not restore your GL context it will just kill your app)
 
+
 ================================================================================
  Threads and the Java VM
 ================================================================================
@@ -246,6 +206,7 @@ Android_JNI_SetupThread() before doing anything else otherwise SDL will attach
 your thread automatically anyway (when you make an SDL call), but it'll never
 detach it.
 
+
 ================================================================================
  Using STL
 ================================================================================
@@ -253,34 +214,10 @@ detach it.
 You can use STL in your project by creating an Application.mk file in the jni
 folder and adding the following line:
 
-    APP_STL := stlport_static
+    APP_STL := c++_shared
 
-For more information check out CPLUSPLUS-SUPPORT.html in the NDK documentation.
-
-================================================================================
- Additional documentation
-================================================================================
-
-The documentation in the NDK docs directory is very helpful in understanding the
-build process and how to work with native code on the Android platform.
-
-The best place to start is with docs/OVERVIEW.TXT
-
-
-================================================================================
- Using Eclipse
-================================================================================
-
-First make sure that you've installed Eclipse and the Android extensions as described here:
-	https://developer.android.com/tools/sdk/eclipse-adt.html
-
-Once you've copied the SDL android project and customized it, you can create an Eclipse project from it:
- * File -> New -> Other
- * Select the Android -> Android Project wizard and click Next
- * Enter the name you'd like your project to have
- * Select "Create project from existing source" and browse for your project directory
- * Make sure the Build Target is set to Android 3.1 (API 12)
- * Click Finish
+For more information go here:
+	https://developer.android.com/ndk/guides/cpp-support
 
 
 ================================================================================
@@ -295,13 +232,11 @@ Especially useful is the info on setting up OpenGL ES 2.0 emulation.
 Notice that this software emulator is incredibly slow and needs a lot of disk space.
 Using a real device works better.
 
+
 ================================================================================
  Troubleshooting
 ================================================================================
 
-You can create and run an emulator from the Eclipse IDE:
- * Window -> Android SDK and AVD Manager
-
 You can see if adb can see any devices with the following command:
 
     adb devices
@@ -338,7 +273,10 @@ You can see the complete command line that ndk-build is using by passing V=1 on
 
     ndk-build V=1
 
-If your application crashes in native code, you can use addr2line to convert the
+If your application crashes in native code, you can use ndk-stack to get a symbolic stack trace:
+	https://developer.android.com/ndk/guides/ndk-stack
+
+If you want to go through the process manually, you can use addr2line to convert the
 addresses in the stack trace to lines in your code.
 
 For example, if your crash looks like this:
@@ -426,36 +364,30 @@ When you're done instrumenting with valgrind, you can disable the wrapper:
 
     adb shell setprop wrap.org.libsdl.app ""
 
+
 ================================================================================
  Graphics debugging
 ================================================================================
 
 If you are developing on a compatible Tegra-based tablet, NVidia provides
-Tegra Graphics Debugger at their website.  Because SDL2 dynamically loads EGL
+Tegra Graphics Debugger at their website. Because SDL2 dynamically loads EGL
 and GLES libraries, you must follow their instructions for installing the
-interposer library on a rooted device.  The non-rooted instructions are not
+interposer library on a rooted device. The non-rooted instructions are not
 compatible with applications that use SDL2 for video.
 
 The Tegra Graphics Debugger is available from NVidia here:
 https://developer.nvidia.com/tegra-graphics-debugger
 
+
 ================================================================================
- Why is API level 10 the minimum required?
+ Why is API level 14 the minimum required?
 ================================================================================
 
-API level 10 is the minimum required level at runtime (that is, on the device) 
-because SDL requires some functionality for running not
-available on older devices. Since the incorporation of joystick support into SDL,
-the minimum SDK required to *build* SDL is version 12. Devices running API levels
-10-11 are still supported, only with the joystick functionality disabled.
-
-Support for native OpenGL ES and ES2 applications was introduced in the NDK for
-API level 4 and 8. EGL was made a stable API in the NDK for API level 9, which
-has since then been obsoleted, with the recommendation to developers to bump the
-required API level to 10.
+The latest NDK toolchain doesn't support targeting earlier than API level 14.
 As of this writing, according to https://developer.android.com/about/dashboards/index.html
-about 90% of the Android devices accessing Google Play support API level 10 or
-higher (March 2013).
+about 99% of the Android devices accessing Google Play support API level 14 or
+higher (October 2017).
+
 
 ================================================================================
  A note regarding the use of the "dirty rectangles" rendering technique
@@ -475,6 +407,7 @@ screen each frame.
 
 Reference: http://www.khronos.org/registry/egl/specs/EGLTechNote0001.html
 
+
 ================================================================================
  Known issues
 ================================================================================
diff --git a/libs/SDL2/docs/README-dynapi.md b/libs/SDL2/docs/README-dynapi.md
index bfaecb34496e5c1f142a2fadabd3b585dd4f84b3..b9a58bce1dd12db13076b927be9ee0d31861e588 100644
--- a/libs/SDL2/docs/README-dynapi.md
+++ b/libs/SDL2/docs/README-dynapi.md
@@ -64,7 +64,7 @@ level of indirection, we can do things like this:
     export SDL_DYNAMIC_API=/my/actual/libSDL-2.0.so.0
     ./MyGameThatIsStaticallyLinkedToSDL2
 
-And now, this game that is staticallly linked to SDL, can still be overridden 
+And now, this game that is statically linked to SDL, can still be overridden 
 with a newer, or better, SDL. The statically linked one will only be used as 
 far as calling into the jump table in this case. But in cases where no override
 is desired, the statically linked version will provide its own jump table, 
diff --git a/libs/SDL2/docs/README-raspberrypi.md b/libs/SDL2/docs/README-raspberrypi.md
index d64e7cb36ccf44d9dff4d940f6f667bb0d0c73f4..2c95e0649f78b4be2739271f8f45a5f16ad7fadd 100644
--- a/libs/SDL2/docs/README-raspberrypi.md
+++ b/libs/SDL2/docs/README-raspberrypi.md
@@ -27,6 +27,16 @@ OpenGL ES 2.x, it usually comes pre-installed, but in any case:
     
 sudo apt-get install libraspberrypi0 libraspberrypi-bin libraspberrypi-dev
 
+
+================================================================================
+ NEON
+================================================================================
+
+If your Pi has NEON support, make sure you add -mfpu=neon to your CFLAGS so
+that SDL will select some otherwise-disabled highly-optimized code. The
+original Pi units don't have NEON, the Pi2 probably does, and the Pi3
+definitely does.
+
 ================================================================================
  Cross compiling from x86 Linux
 ================================================================================
diff --git a/libs/SDL2/docs/README-winrt.md b/libs/SDL2/docs/README-winrt.md
index 8e993b57ad8f3b34b615ba4f5d8c7e5791eca1f5..35b7e6d872e079568c4f6b3d810517a28a68a7f7 100644
--- a/libs/SDL2/docs/README-winrt.md
+++ b/libs/SDL2/docs/README-winrt.md
@@ -23,7 +23,7 @@ Requirements
     typically do not include support for creating WinRT apps, to note.
     (The "Community" editions of Visual C++ do, however, support both
     desktop/Win32 and WinRT development).
-  - Visual Studio 2017 can be used, however it is recommented that you install
+  - Visual Studio 2017 can be used, however it is recommended that you install
     the Visual C++ 2015 build tools.  These build tools can be installed
     using VS 2017's installer.  Be sure to also install the workload for
     "Universal Windows Platform development", its optional component, the
@@ -33,7 +33,7 @@ Requirements
     earlier versions of Windows, such as Windows 7, is not always supported
     by Visual Studio, and you may get error(s) when attempting to do so.
   - Visual C++ 2012 can only build apps that target versions 8.0 of Windows,
-    or  Windows Phone.  8.0-targetted apps will run on devices running 8.1
+    or  Windows Phone.  8.0-targeted apps will run on devices running 8.1
     editions of Windows, however they will not be able to take advantage of
     8.1-specific features.
   - Visual C++ 2013 cannot create app projects that target Windows 8.0.
@@ -54,7 +54,7 @@ Requirements
 Status
 ------
 
-Here is a rough list of what works, and what doens't:
+Here is a rough list of what works, and what doesn't:
 
 * What works:
   * compilation via Visual C++ 2012 through 2015
@@ -70,7 +70,10 @@ Here is a rough list of what works, and what doens't:
     SDL_GetPerformanceFrequency(), etc.)
   * file I/O via SDL_RWops
   * mouse input  (unsupported on Windows Phone)
-  * audio, via a modified version of SDL's XAudio2 backend
+  * audio, via SDL's WASAPI backend (if you want to record, your app must 
+    have "Microphone" capabilities enabled in its manifest, and the user must 
+    not have blocked access. Otherwise, capture devices will fail to work,
+    presenting as a device disconnect shortly after opening it.)
   * .DLL file loading.  Libraries *MUST* be packaged inside applications.  Loading
     anything outside of the app is not supported.
   * system path retrieval via SDL's filesystem APIs
diff --git a/libs/SDL2/i686-w64-mingw32/bin/SDL2.dll b/libs/SDL2/i686-w64-mingw32/bin/SDL2.dll
index c21f747c2f45540809ff1fd901e2bb607ead0fff..70177904476cc7ab959c84e08a92df76cd0d748c 100755
Binary files a/libs/SDL2/i686-w64-mingw32/bin/SDL2.dll and b/libs/SDL2/i686-w64-mingw32/bin/SDL2.dll differ
diff --git a/libs/SDL2/i686-w64-mingw32/bin/sdl2-config b/libs/SDL2/i686-w64-mingw32/bin/sdl2-config
index 7fdb82515a58a2d3a0764ab51adcc072bb91d4e5..e1060b3f2d78da06616e639fb5a5316502e25694 100755
--- a/libs/SDL2/i686-w64-mingw32/bin/sdl2-config
+++ b/libs/SDL2/i686-w64-mingw32/bin/sdl2-config
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-prefix=/usr/local/i686-w64-mingw32
+prefix=/opt/local/i686-w64-mingw32
 exec_prefix=${prefix}
 exec_prefix_set=no
 libdir=${exec_prefix}/lib
@@ -39,17 +39,17 @@ while test $# -gt 0; do
       echo $exec_prefix
       ;;
     --version)
-      echo 2.0.7
+      echo 2.0.9
       ;;
     --cflags)
       echo -I${prefix}/include/SDL2  -Dmain=SDL_main
       ;;
     --libs)
-      echo -L${exec_prefix}/lib  -lmingw32 -lSDL2main -lSDL2  -mwindows
+      echo -L${exec_prefix}/lib  -lmingw32 -lSDL2main -lSDL2 -mwindows
       ;;
     --static-libs)
 #    --libs|--static-libs)
-      echo -L${exec_prefix}/lib  -lmingw32 -lSDL2main -lSDL2  -mwindows  -Wl,--no-undefined -lm -ldinput8 -ldxguid -ldxerr8 -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion -luuid -static-libgcc
+      echo -L${exec_prefix}/lib  -lmingw32 -lSDL2main -lSDL2 -mwindows  -Wl,--no-undefined -lm -ldinput8 -ldxguid -ldxerr8 -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lsetupapi -lversion -luuid -static-libgcc
       ;;
     *)
       echo "${usage}" 1>&2
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL.h
index 366d50fa39095f0185247d490b31753351ef887c..fc35a419efd9076076aca339303a2937d5e6ada7 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -51,6 +51,7 @@
 #include "SDL_power.h"
 #include "SDL_render.h"
 #include "SDL_rwops.h"
+#include "SDL_sensor.h"
 #include "SDL_shape.h"
 #include "SDL_system.h"
 #include "SDL_thread.h"
@@ -80,10 +81,11 @@ extern "C" {
 #define SDL_INIT_HAPTIC         0x00001000u
 #define SDL_INIT_GAMECONTROLLER 0x00002000u  /**< SDL_INIT_GAMECONTROLLER implies SDL_INIT_JOYSTICK */
 #define SDL_INIT_EVENTS         0x00004000u
+#define SDL_INIT_SENSOR         0x00008000u
 #define SDL_INIT_NOPARACHUTE    0x00100000u  /**< compatibility; this flag is ignored. */
 #define SDL_INIT_EVERYTHING ( \
                 SDL_INIT_TIMER | SDL_INIT_AUDIO | SDL_INIT_VIDEO | SDL_INIT_EVENTS | \
-                SDL_INIT_JOYSTICK | SDL_INIT_HAPTIC | SDL_INIT_GAMECONTROLLER \
+                SDL_INIT_JOYSTICK | SDL_INIT_HAPTIC | SDL_INIT_GAMECONTROLLER | SDL_INIT_SENSOR \
             )
 /* @} */
 
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_assert.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_assert.h
index 90abbe39b6f1e5bd7e0bfa3d54b00954efe06e9a..b38f928ae14bb68e916bae1048a4c8648a1a20d8 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_assert.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_assert.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_atomic.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_atomic.h
index 36e37f3b786840231bf87fddf563c695037c7fc5..b2287748c8f87973ef2aef5093812c0065b89725 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_atomic.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_atomic.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -158,6 +158,9 @@ extern DECLSPEC void SDLCALL SDL_MemoryBarrierAcquireFunction(void);
 #if defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))
 #define SDL_MemoryBarrierRelease()   __asm__ __volatile__ ("lwsync" : : : "memory")
 #define SDL_MemoryBarrierAcquire()   __asm__ __volatile__ ("lwsync" : : : "memory")
+#elif defined(__GNUC__) && defined(__aarch64__)
+#define SDL_MemoryBarrierRelease()   __asm__ __volatile__ ("dmb ish" : : : "memory")
+#define SDL_MemoryBarrierAcquire()   __asm__ __volatile__ ("dmb ish" : : : "memory")
 #elif defined(__GNUC__) && defined(__arm__)
 #if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7EM__) || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7S__)
 #define SDL_MemoryBarrierRelease()   __asm__ __volatile__ ("dmb ish" : : : "memory")
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_audio.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_audio.h
index f119c2b2678fc531efe1d3ecc8b1f1751169de53..d3e1bface4d406c3d6c1c3f141a36a3fce8e926b 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_audio.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_audio.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -140,7 +140,8 @@ typedef Uint16 SDL_AudioFormat;
 #define SDL_AUDIO_ALLOW_FREQUENCY_CHANGE    0x00000001
 #define SDL_AUDIO_ALLOW_FORMAT_CHANGE       0x00000002
 #define SDL_AUDIO_ALLOW_CHANNELS_CHANGE     0x00000004
-#define SDL_AUDIO_ALLOW_ANY_CHANGE          (SDL_AUDIO_ALLOW_FREQUENCY_CHANGE|SDL_AUDIO_ALLOW_FORMAT_CHANGE|SDL_AUDIO_ALLOW_CHANNELS_CHANGE)
+#define SDL_AUDIO_ALLOW_SAMPLES_CHANGE      0x00000008
+#define SDL_AUDIO_ALLOW_ANY_CHANGE          (SDL_AUDIO_ALLOW_FREQUENCY_CHANGE|SDL_AUDIO_ALLOW_FORMAT_CHANGE|SDL_AUDIO_ALLOW_CHANNELS_CHANGE|SDL_AUDIO_ALLOW_SAMPLES_CHANGE)
 /* @} */
 
 /* @} *//* Audio flags */
@@ -527,7 +528,7 @@ extern DECLSPEC SDL_AudioStream * SDLCALL SDL_NewAudioStream(const SDL_AudioForm
  *
  *  \param stream The stream the audio data is being added to
  *  \param buf A pointer to the audio data to add
- *  \param int The number of bytes to write to the stream
+ *  \param len The number of bytes to write to the stream
  *  \return 0 on success, or -1 on error.
  *
  *  \sa SDL_NewAudioStream
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_bits.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_bits.h
index bc28572902181c1edf67998fe3800c0269b4c451..eb8322f0d0a181b364871c28df42010ead3f17b1 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_bits.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_bits.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_blendmode.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_blendmode.h
index 9abd0bd4cf11c6d4d9931a20f21db32e2af0cdc6..36a5ea76f0c52c4364cb5f156cdf7252c0441ecc 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_blendmode.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_blendmode.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_clipboard.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_clipboard.h
index 341f4ba42b17e2025a5a27ecaa3925e3f618c1ad..f28751ebb8ffe5c67f17ccab94f2a55165fea4c8 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_clipboard.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_clipboard.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_config.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_config.h
index 1bbb83848142162b87676b35e03d964d5bec56dd..c58be8e72ee0dbb9e73f94be9d8c2c595aa630e5 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_config.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_config.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -82,6 +82,9 @@ typedef unsigned int uintptr_t;
 #define HAVE_DSOUND_H 1
 #define HAVE_DXGI_H 1
 #define HAVE_XINPUT_H 1
+#define HAVE_MMDEVICEAPI_H 1
+#define HAVE_AUDIOCLIENT_H 1
+#define HAVE_ENDPOINTVOLUME_H 1
 
 /* This is disabled by default to avoid C runtime dependencies and manifest requirements */
 #ifdef HAVE_LIBC
@@ -109,13 +112,15 @@ typedef unsigned int uintptr_t;
 #define HAVE_MEMCMP 1
 #define HAVE_STRLEN 1
 #define HAVE__STRREV 1
-#define HAVE__STRUPR 1
-#define HAVE__STRLWR 1
+/* These functions have security warnings, so we won't use them */
+/* #undef HAVE__STRUPR */
+/* #undef HAVE__STRLWR */
 #define HAVE_STRCHR 1
 #define HAVE_STRRCHR 1
 #define HAVE_STRSTR 1
-#define HAVE__LTOA 1
-#define HAVE__ULTOA 1
+/* These functions have security warnings, so we won't use them */
+/* #undef HAVE__LTOA */
+/* #undef HAVE__ULTOA */
 #define HAVE_STRTOL 1
 #define HAVE_STRTOUL 1
 #define HAVE_STRTOD 1
@@ -125,30 +130,45 @@ typedef unsigned int uintptr_t;
 #define HAVE_STRNCMP 1
 #define HAVE__STRICMP 1
 #define HAVE__STRNICMP 1
-#define HAVE_ATAN 1
-#define HAVE_ATAN2 1
-#define HAVE_ACOS  1
-#define HAVE_ASIN  1
-#define HAVE_CEIL 1
-#define HAVE_COS 1
-#define HAVE_COSF 1
-#define HAVE_FABS 1
-#define HAVE_FLOOR 1
-#define HAVE_LOG 1
-#define HAVE_POW 1
-#define HAVE_SIN 1
-#define HAVE_SINF 1
-#define HAVE_SQRT 1
-#define HAVE_SQRTF 1
-#define HAVE_TAN 1
-#define HAVE_TANF 1
-#define HAVE__COPYSIGN 1
+#define HAVE_ACOS   1
+#define HAVE_ACOSF  1
+#define HAVE_ASIN   1
+#define HAVE_ASINF  1
+#define HAVE_ATAN   1
+#define HAVE_ATANF  1
+#define HAVE_ATAN2  1
+#define HAVE_ATAN2F 1
+#define HAVE_CEILF  1
+#define HAVE__COPYSIGN  1
+#define HAVE_COS    1
+#define HAVE_COSF   1
+#define HAVE_EXP    1
+#define HAVE_EXPF   1
+#define HAVE_FABS   1
+#define HAVE_FABSF  1
+#define HAVE_FLOOR  1
+#define HAVE_FLOORF 1
+#define HAVE_FMOD   1
+#define HAVE_FMODF  1
+#define HAVE_LOG    1
+#define HAVE_LOGF   1
+#define HAVE_LOG10  1
+#define HAVE_LOG10F 1
+#define HAVE_POW    1
+#define HAVE_POWF   1
+#define HAVE_SIN    1
+#define HAVE_SINF   1
+#define HAVE_SQRT   1
+#define HAVE_SQRTF  1
+#define HAVE_TAN    1
+#define HAVE_TANF   1
 #if defined(_MSC_VER)
 /* These functions were added with the VC++ 2013 C runtime library */
 #if _MSC_VER >= 1800
 #define HAVE_STRTOLL 1
 #define HAVE_VSSCANF 1
 #define HAVE_SCALBN 1
+#define HAVE_SCALBNF    1
 #endif
 /* This function is available with at least the VC++ 2008 C runtime library */
 #if _MSC_VER >= 1400
@@ -166,7 +186,6 @@ typedef unsigned int uintptr_t;
 /* Enable various audio drivers */
 #define SDL_AUDIO_DRIVER_WASAPI 1
 #define SDL_AUDIO_DRIVER_DSOUND 1
-#define SDL_AUDIO_DRIVER_XAUDIO2    0
 #define SDL_AUDIO_DRIVER_WINMM  1
 #define SDL_AUDIO_DRIVER_DISK   1
 #define SDL_AUDIO_DRIVER_DUMMY  1
@@ -174,9 +193,13 @@ typedef unsigned int uintptr_t;
 /* Enable various input drivers */
 #define SDL_JOYSTICK_DINPUT 1
 #define SDL_JOYSTICK_XINPUT 1
+#define SDL_JOYSTICK_HIDAPI 1
 #define SDL_HAPTIC_DINPUT   1
 #define SDL_HAPTIC_XINPUT   1
 
+/* Enable the dummy sensor driver */
+#define SDL_SENSOR_DUMMY  1
+
 /* Enable various shared object loading systems */
 #define SDL_LOADSO_WINDOWS  1
 
@@ -194,7 +217,7 @@ typedef unsigned int uintptr_t;
 #define SDL_VIDEO_RENDER_D3D    1
 #endif
 #ifndef SDL_VIDEO_RENDER_D3D11
-#define SDL_VIDEO_RENDER_D3D11	0
+#define SDL_VIDEO_RENDER_D3D11  0
 #endif
 
 /* Enable OpenGL support */
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_cpuinfo.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_cpuinfo.h
index 94b64b03bc5dd394af7f2ccfc5968fb1c0e9dfc5..ee3a47e841242fdae7e697f6b5de18a2a47c1ecf 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_cpuinfo.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_cpuinfo.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -51,27 +51,35 @@
 #include <intrin.h>
 #else
 #ifdef __ALTIVEC__
-#if HAVE_ALTIVEC_H && !defined(__APPLE_ALTIVEC__)
+#if defined(HAVE_ALTIVEC_H) && !defined(__APPLE_ALTIVEC__) && !defined(SDL_DISABLE_ALTIVEC_H)
 #include <altivec.h>
 #undef pixel
+#undef bool
 #endif
 #endif
-#ifdef __MMX__
-#include <mmintrin.h>
+#if defined(__ARM_NEON__) && !defined(SDL_DISABLE_ARM_NEON_H)
+#include <arm_neon.h>
 #endif
-#ifdef __3dNOW__
+#if defined(__3dNOW__) && !defined(SDL_DISABLE_MM3DNOW_H)
 #include <mm3dnow.h>
 #endif
-#ifdef __SSE__
+#if defined(HAVE_IMMINTRIN_H) && !defined(SDL_DISABLE_IMMINTRIN_H)
+#include <immintrin.h>
+#else
+#if defined(__MMX__) && !defined(SDL_DISABLE_MMINTRIN_H)
+#include <mmintrin.h>
+#endif
+#if defined(__SSE__) && !defined(SDL_DISABLE_XMMINTRIN_H)
 #include <xmmintrin.h>
 #endif
-#ifdef __SSE2__
+#if defined(__SSE2__) && !defined(SDL_DISABLE_EMMINTRIN_H)
 #include <emmintrin.h>
 #endif
-#ifdef __SSE3__
+#if defined(__SSE3__) && !defined(SDL_DISABLE_PMMINTRIN_H)
 #include <pmmintrin.h>
 #endif
-#endif
+#endif /* HAVE_IMMINTRIN_H */
+#endif /* compiler version */
 
 #include "begin_code.h"
 /* Set up for C function definitions, even when using C++ */
@@ -154,6 +162,11 @@ extern DECLSPEC SDL_bool SDLCALL SDL_HasAVX(void);
  */
 extern DECLSPEC SDL_bool SDLCALL SDL_HasAVX2(void);
 
+/**
+ *  This function returns true if the CPU has AVX-512F (foundation) features.
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_HasAVX512F(void);
+
 /**
  *  This function returns true if the CPU has NEON (ARM SIMD) features.
  */
@@ -164,7 +177,6 @@ extern DECLSPEC SDL_bool SDLCALL SDL_HasNEON(void);
  */
 extern DECLSPEC int SDLCALL SDL_GetSystemRAM(void);
 
-
 /* Ends C function definitions when using C++ */
 #ifdef __cplusplus
 }
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_egl.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_egl.h
index e47fbe8624700058a55aff35c8cd39081a19695f..d65ed437c33fe307657aca04f192de87e0ff55e9 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_egl.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_egl.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -24,7 +24,7 @@
  *
  *  This is a simple file to encapsulate the EGL API headers.
  */
-#ifndef _MSC_VER
+#if !defined(_MSC_VER) && !defined(__ANDROID__)
 
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_endian.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_endian.h
index 3eda7f2871144111f5cdfb24e0d57dd988c440c4..ed0bf5ba8f94888115422d06601ff4200119a9e6 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_endian.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_endian.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_error.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_error.h
index 49be9827e182ae56227e8dde300b7e8c03f8cfb8..c0e46298e8ffdbc6cf6abc4381a7ba9e2dcf1a33 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_error.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_error.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_events.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_events.h
index 0fc09bc37d795c8b5a4c34bebf9c78134a4c499f..af22eb6466661378e252d090b1504471f74833a8 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_events.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_events.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -85,6 +85,9 @@ typedef enum
                                      Called on Android in onResume()
                                 */
 
+    /* Display events */
+    SDL_DISPLAYEVENT   = 0x150,  /**< Display state change */
+
     /* Window events */
     SDL_WINDOWEVENT    = 0x200, /**< Window state change */
     SDL_SYSWMEVENT,             /**< System specific event */
@@ -144,6 +147,9 @@ typedef enum
     SDL_AUDIODEVICEADDED = 0x1100, /**< A new audio device is available */
     SDL_AUDIODEVICEREMOVED,        /**< An audio device has been removed. */
 
+    /* Sensor events */
+    SDL_SENSORUPDATE = 0x1200,     /**< A sensor was updated */
+
     /* Render events */
     SDL_RENDER_TARGETS_RESET = 0x2000, /**< The render targets have been reset and their contents need to be updated */
     SDL_RENDER_DEVICE_RESET, /**< The device has been reset and all textures need to be recreated */
@@ -168,6 +174,21 @@ typedef struct SDL_CommonEvent
     Uint32 timestamp;   /**< In milliseconds, populated using SDL_GetTicks() */
 } SDL_CommonEvent;
 
+/**
+ *  \brief Display state change event data (event.display.*)
+ */
+typedef struct SDL_DisplayEvent
+{
+    Uint32 type;        /**< ::SDL_DISPLAYEVENT */
+    Uint32 timestamp;   /**< In milliseconds, populated using SDL_GetTicks() */
+    Uint32 display;     /**< The associated display index */
+    Uint8 event;        /**< ::SDL_DisplayEventID */
+    Uint8 padding1;
+    Uint8 padding2;
+    Uint8 padding3;
+    Sint32 data1;       /**< event dependent data */
+} SDL_DisplayEvent;
+
 /**
  *  \brief Window state change event data (event.window.*)
  */
@@ -471,6 +492,17 @@ typedef struct SDL_DropEvent
 } SDL_DropEvent;
 
 
+/**
+ *  \brief Sensor event structure (event.sensor.*)
+ */
+typedef struct SDL_SensorEvent
+{
+    Uint32 type;        /**< ::SDL_SENSORUPDATE */
+    Uint32 timestamp;   /**< In milliseconds, populated using SDL_GetTicks() */
+    Sint32 which;       /**< The instance ID of the sensor */
+    float data[6];      /**< Up to 6 values from the sensor - additional values can be queried using SDL_SensorGetData() */
+} SDL_SensorEvent;
+
 /**
  *  \brief The "quit requested" event
  */
@@ -526,6 +558,7 @@ typedef union SDL_Event
 {
     Uint32 type;                    /**< Event type, shared with all events */
     SDL_CommonEvent common;         /**< Common event data */
+    SDL_DisplayEvent display;       /**< Window event data */
     SDL_WindowEvent window;         /**< Window event data */
     SDL_KeyboardEvent key;          /**< Keyboard event data */
     SDL_TextEditingEvent edit;      /**< Text editing event data */
@@ -542,6 +575,7 @@ typedef union SDL_Event
     SDL_ControllerButtonEvent cbutton;  /**< Game Controller button event data */
     SDL_ControllerDeviceEvent cdevice;  /**< Game Controller device event data */
     SDL_AudioDeviceEvent adevice;   /**< Audio device event data */
+    SDL_SensorEvent sensor;         /**< Sensor event data */
     SDL_QuitEvent quit;             /**< Quit request event data */
     SDL_UserEvent user;             /**< Custom event data */
     SDL_SysWMEvent syswm;           /**< System dependent window event data */
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_filesystem.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_filesystem.h
index a1c846ad0f07b71a61a60c147c709c2dc6e2c15f..fa6a1fa6e7b2ad4b9e341f6cf71c4e7fca925586 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_filesystem.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_filesystem.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_gamecontroller.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_gamecontroller.h
index c9215132ef50a7f214b7b4bf248d6fc73c3ff3f4..6ae9c95428907172257a93dfd6074865891f6571 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_gamecontroller.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_gamecontroller.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -175,6 +175,14 @@ extern DECLSPEC SDL_bool SDLCALL SDL_IsGameController(int joystick_index);
  */
 extern DECLSPEC const char *SDLCALL SDL_GameControllerNameForIndex(int joystick_index);
 
+/**
+ *  Get the mapping of a game controller.
+ *  This can be called before any controllers are opened.
+ *
+ *  \return the mapping string.  Must be freed with SDL_free().  Returns NULL if no mapping is available
+ */
+extern DECLSPEC char *SDLCALL SDL_GameControllerMappingForDeviceIndex(int joystick_index);
+
 /**
  *  Open a game controller for use.
  *  The index passed as an argument refers to the N'th game controller on the system.
@@ -196,6 +204,13 @@ extern DECLSPEC SDL_GameController *SDLCALL SDL_GameControllerFromInstanceID(SDL
  */
 extern DECLSPEC const char *SDLCALL SDL_GameControllerName(SDL_GameController *gamecontroller);
 
+/**
+ *  Get the player index of an opened game controller, or -1 if it's not available
+ *
+ *  For XInput controllers this returns the XInput user index.
+ */
+extern DECLSPEC int SDLCALL SDL_GameControllerGetPlayerIndex(SDL_GameController *gamecontroller);
+
 /**
  *  Get the USB vendor ID of an opened controller, if available.
  *  If the vendor ID isn't available this function returns 0.
@@ -345,6 +360,19 @@ SDL_GameControllerGetBindForButton(SDL_GameController *gamecontroller,
 extern DECLSPEC Uint8 SDLCALL SDL_GameControllerGetButton(SDL_GameController *gamecontroller,
                                                           SDL_GameControllerButton button);
 
+/**
+ *  Trigger a rumble effect
+ *  Each call to this function cancels any previous rumble effect, and calling it with 0 intensity stops any rumbling.
+ *
+ *  \param gamecontroller The controller to vibrate
+ *  \param low_frequency_rumble The intensity of the low frequency (left) rumble motor, from 0 to 0xFFFF
+ *  \param high_frequency_rumble The intensity of the high frequency (right) rumble motor, from 0 to 0xFFFF
+ *  \param duration_ms The duration of the rumble effect, in milliseconds
+ *
+ *  \return 0, or -1 if rumble isn't supported on this joystick
+ */
+extern DECLSPEC int SDLCALL SDL_GameControllerRumble(SDL_GameController *gamecontroller, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms);
+
 /**
  *  Close a controller previously opened with SDL_GameControllerOpen().
  */
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_gesture.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_gesture.h
index 2bba6a7294fa93240d5f6eefbd8d16c5773761ea..b223d80d44c3debd2de55420aaf1e907d1a08919 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_gesture.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_gesture.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_haptic.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_haptic.h
index 60daefaa709bbbc0a1796bd9af6f9be073cacedd..2ea1bfc1602ee571b0ac3238b183117fcb20f25d 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_haptic.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_haptic.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -117,6 +117,17 @@
 extern "C" {
 #endif /* __cplusplus */
 
+/* FIXME: For SDL 2.1, adjust all the magnitude variables to be Uint16 (0xFFFF).
+ *
+ * At the moment the magnitude variables are mixed between signed/unsigned, and
+ * it is also not made clear that ALL of those variables expect a max of 0x7FFF.
+ *
+ * Some platforms may have higher precision than that (Linux FF, Windows XInput)
+ * so we should fix the inconsistency in favor of higher possible precision,
+ * adjusting for platforms that use different scales.
+ * -flibit
+ */
+
 /**
  *  \typedef SDL_Haptic
  *
@@ -656,8 +667,8 @@ typedef struct SDL_HapticRamp
  * This struct is exclusively for the ::SDL_HAPTIC_LEFTRIGHT effect.
  *
  * The Left/Right effect is used to explicitly control the large and small
- * motors, commonly found in modern game controllers. One motor is high
- * frequency, the other is low frequency.
+ * motors, commonly found in modern game controllers. The small (right) motor
+ * is high frequency, and the large (left) motor is low frequency.
  *
  * \sa SDL_HAPTIC_LEFTRIGHT
  * \sa SDL_HapticEffect
@@ -668,7 +679,7 @@ typedef struct SDL_HapticLeftRight
     Uint16 type;            /**< ::SDL_HAPTIC_LEFTRIGHT */
 
     /* Replay */
-    Uint32 length;          /**< Duration of the effect. */
+    Uint32 length;          /**< Duration of the effect in milliseconds. */
 
     /* Rumble */
     Uint16 large_magnitude; /**< Control of the large controller motor. */
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_hints.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_hints.h
index 007a4bee05c0dc4ef90b1d24e88eb1137cedc945..4ee72e97d66db40a703620a9d0a162a952de1498 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_hints.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_hints.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -76,6 +76,7 @@ extern "C" {
  *    "opengl"
  *    "opengles2"
  *    "opengles"
+ *    "metal"
  *    "software"
  *
  *  The default varies by platform, but it's the first one in the list that
@@ -210,6 +211,18 @@ extern "C" {
  */
 #define SDL_HINT_VIDEO_X11_NET_WM_PING      "SDL_VIDEO_X11_NET_WM_PING"
 
+/**
+ * \brief A variable controlling whether the X11 _NET_WM_BYPASS_COMPOSITOR hint should be used.
+ * 
+ * This variable can be set to the following values:
+ * "0" - Disable _NET_WM_BYPASS_COMPOSITOR
+ * "1" - Enable _NET_WM_BYPASS_COMPOSITOR
+ * 
+ * By default SDL will use _NET_WM_BYPASS_COMPOSITOR
+ * 
+ */
+#define SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR "SDL_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR"
+
 /**
  *  \brief  A variable controlling whether the window frame and title bar are interactive when the cursor is hidden 
  *
@@ -249,6 +262,16 @@ extern "C" {
  */
 #define SDL_HINT_GRAB_KEYBOARD              "SDL_GRAB_KEYBOARD"
 
+/**
+ *  \brief  A variable setting the double click time, in milliseconds.
+ */
+#define SDL_HINT_MOUSE_DOUBLE_CLICK_TIME    "SDL_MOUSE_DOUBLE_CLICK_TIME"
+
+/**
+ *  \brief  A variable setting the double click radius, in pixels.
+ */
+#define SDL_HINT_MOUSE_DOUBLE_CLICK_RADIUS    "SDL_MOUSE_DOUBLE_CLICK_RADIUS"
+
 /**
  *  \brief  A variable setting the speed scale for mouse motion, in floating point, when the mouse is not in relative mode
  */
@@ -316,7 +339,7 @@ extern "C" {
 #define SDL_HINT_IDLE_TIMER_DISABLED "SDL_IOS_IDLE_TIMER_DISABLED"
 
 /**
- *  \brief  A variable controlling which orientations are allowed on iOS.
+ *  \brief  A variable controlling which orientations are allowed on iOS/Android.
  *
  *  In some circumstances it is necessary to be able to explicitly control
  *  which UI orientations are allowed.
@@ -354,17 +377,37 @@ extern "C" {
  */
 #define SDL_HINT_APPLE_TV_REMOTE_ALLOW_ROTATION "SDL_APPLE_TV_REMOTE_ALLOW_ROTATION"
 
+/**
+ * \brief  A variable controlling whether the home indicator bar on iPhone X
+ *         should be hidden.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - The indicator bar is not hidden (default for windowed applications)
+ *    "1"       - The indicator bar is hidden and is shown when the screen is touched (useful for movie playback applications)
+ *    "2"       - The indicator bar is dim and the first swipe makes it visible and the second swipe performs the "home" action (default for fullscreen applications)
+ */
+#define SDL_HINT_IOS_HIDE_HOME_INDICATOR "SDL_IOS_HIDE_HOME_INDICATOR"
+
 /**
  *  \brief  A variable controlling whether the Android / iOS built-in
- *  accelerometer should be listed as a joystick device, rather than listing
- *  actual joysticks only.
+ *  accelerometer should be listed as a joystick device.
  *
  *  This variable can be set to the following values:
- *    "0"       - List only real joysticks and accept input from them
- *    "1"       - List real joysticks along with the accelerometer as if it were a 3 axis joystick (the default).
+ *    "0"       - The accelerometer is not listed as a joystick
+ *    "1"       - The accelerometer is available as a 3 axis joystick (the default).
  */
 #define SDL_HINT_ACCELEROMETER_AS_JOYSTICK "SDL_ACCELEROMETER_AS_JOYSTICK"
 
+/**
+ *  \brief  A variable controlling whether the Android / tvOS remotes
+ *  should be listed as joystick devices, instead of sending keyboard events.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - Remotes send enter/escape/arrow key events
+ *    "1"       - Remotes are available as 2 axis, 2 button joysticks (the default).
+ */
+#define SDL_HINT_TV_REMOTE_AS_JOYSTICK "SDL_TV_REMOTE_AS_JOYSTICK"
+
 /**
  *  \brief  A variable that lets you disable the detection and use of Xinput gamepad devices
  *
@@ -432,6 +475,88 @@ extern "C" {
  */
 #define SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS "SDL_JOYSTICK_ALLOW_BACKGROUND_EVENTS"
 
+/**
+ *  \brief  A variable controlling whether the HIDAPI joystick drivers should be used.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - HIDAPI drivers are not used
+ *    "1"       - HIDAPI drivers are used (the default)
+ *
+ *  This variable is the default for all drivers, but can be overridden by the hints for specific drivers below.
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI "SDL_JOYSTICK_HIDAPI"
+
+/**
+ *  \brief  A variable controlling whether the HIDAPI driver for PS4 controllers should be used.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - HIDAPI driver is not used
+ *    "1"       - HIDAPI driver is used
+ *
+ *  The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_PS4 "SDL_JOYSTICK_HIDAPI_PS4"
+
+/**
+ *  \brief  A variable controlling whether extended input reports should be used for PS4 controllers when using the HIDAPI driver.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - extended reports are not enabled (the default)
+ *    "1"       - extended reports
+ *
+ *  Extended input reports allow rumble on Bluetooth PS4 controllers, but
+ *  break DirectInput handling for applications that don't use SDL.
+ *
+ *  Once extended reports are enabled, they can not be disabled without
+ *  power cycling the controller.
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_PS4_RUMBLE "SDL_JOYSTICK_HIDAPI_PS4_RUMBLE"
+
+/**
+ *  \brief  A variable controlling whether the HIDAPI driver for Steam Controllers should be used.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - HIDAPI driver is not used
+ *    "1"       - HIDAPI driver is used
+ *
+ *  The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_STEAM "SDL_JOYSTICK_HIDAPI_STEAM"
+
+/**
+ *  \brief  A variable controlling whether the HIDAPI driver for Nintendo Switch controllers should be used.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - HIDAPI driver is not used
+ *    "1"       - HIDAPI driver is used
+ *
+ *  The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_SWITCH "SDL_JOYSTICK_HIDAPI_SWITCH"
+
+/**
+ *  \brief  A variable controlling whether the HIDAPI driver for XBox controllers should be used.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - HIDAPI driver is not used
+ *    "1"       - HIDAPI driver is used
+ *
+ *  The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_XBOX   "SDL_JOYSTICK_HIDAPI_XBOX"
+
+/**
+ *  \brief  A variable that controls whether Steam Controllers should be exposed using the SDL joystick and game controller APIs
+ *
+ *  The variable can be set to the following values:
+ *    "0"       - Do not scan for Steam Controllers
+ *    "1"       - Scan for Steam Controllers (the default)
+ *
+ *  The default value is "1".  This hint must be set before initializing the joystick subsystem.
+ */
+#define SDL_HINT_ENABLE_STEAM_CONTROLLERS "SDL_ENABLE_STEAM_CONTROLLERS"
+
+
 /**
  *  \brief If set to "0" then never set the top most bit on a SDL Window, even if the video mode expects it.
  *      This is a debugging aid for developers and not expected to be used by end users. The default is "1"
@@ -494,6 +619,10 @@ extern "C" {
 *  This is specially useful if you build SDL against a non glibc libc library (such as musl) which
 *  provides a relatively small default thread stack size (a few kilobytes versus the default 8MB glibc uses).
 *  Support for this hint is currently available only in the pthread, Windows, and PSP backend.
+*
+*  Instead of this hint, in 2.0.9 and later, you can use
+*  SDL_CreateThreadWithStackSize(). This hint only works with the classic
+*  SDL_CreateThread().
 */
 #define SDL_HINT_THREAD_STACK_SIZE              "SDL_THREAD_STACK_SIZE"
 
@@ -719,6 +848,35 @@ extern "C" {
  */
 #define SDL_HINT_ANDROID_SEPARATE_MOUSE_AND_TOUCH "SDL_ANDROID_SEPARATE_MOUSE_AND_TOUCH"
 
+ /**
+ * \brief A variable to control whether we trap the Android back button to handle it manually.
+ *        This is necessary for the right mouse button to work on some Android devices, or
+ *        to be able to trap the back button for use in your code reliably.  If set to true,
+ *        the back button will show up as an SDL_KEYDOWN / SDL_KEYUP pair with a keycode of 
+ *        SDL_SCANCODE_AC_BACK.
+ *
+ * The variable can be set to the following values:
+ *   "0"       - Back button will be handled as usual for system. (default)
+ *   "1"       - Back button will be trapped, allowing you to handle the key press
+ *               manually.  (This will also let right mouse click work on systems 
+ *               where the right mouse button functions as back.)
+ *
+ * The value of this hint is used at runtime, so it can be changed at any time.
+ */
+#define SDL_HINT_ANDROID_TRAP_BACK_BUTTON "SDL_ANDROID_TRAP_BACK_BUTTON"
+
+ /**
+ * \brief A variable to control whether the return key on the soft keyboard
+ *        should hide the soft keyboard on Android and iOS.
+ *
+ * The variable can be set to the following values:
+ *   "0"       - The return key will be handled as a key event. This is the behaviour of SDL <= 2.0.3. (default)
+ *   "1"       - The return key will hide the keyboard.
+ *
+ * The value of this hint is used at runtime, so it can be changed at any time.
+ */
+#define SDL_HINT_RETURN_KEY_HIDES_IME "SDL_RETURN_KEY_HIDES_IME"
+
 /**
  *  \brief override the binding element for keyboard inputs for Emscripten builds
  *
@@ -752,7 +910,7 @@ extern "C" {
  *   "0"       - SDL will generate a window-close event when it sees Alt+F4.
  *   "1"       - SDL will only do normal key handling for Alt+F4.
  */
-#define SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4	"SDL_WINDOWS_NO_CLOSE_ON_ALT_F4"
+#define SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4 "SDL_WINDOWS_NO_CLOSE_ON_ALT_F4"
 
 /**
  *  \brief Prevent SDL from using version 4 of the bitmap header when saving BMPs.
@@ -797,6 +955,24 @@ extern "C" {
  */
 #define SDL_HINT_RPI_VIDEO_LAYER           "SDL_RPI_VIDEO_LAYER"
 
+/**
+ * \brief Tell the video driver that we only want a double buffer.
+ *
+ * By default, most lowlevel 2D APIs will use a triple buffer scheme that 
+ * wastes no CPU time on waiting for vsync after issuing a flip, but
+ * introduces a frame of latency. On the other hand, using a double buffer
+ * scheme instead is recommended for cases where low latency is an important
+ * factor because we save a whole frame of latency.
+ * We do so by waiting for vsync immediately after issuing a flip, usually just
+ * after eglSwapBuffers call in the backend's *_SwapWindow function.
+ *
+ * Since it's driver-specific, it's only supported where possible and
+ * implemented. Currently supported the following drivers:
+ * - KMSDRM (kmsdrm)
+ * - Raspberry Pi (raspberrypi)
+ */
+#define SDL_HINT_VIDEO_DOUBLE_BUFFER      "SDL_VIDEO_DOUBLE_BUFFER"
+
 /**
  *  \brief  A variable controlling what driver to use for OpenGL ES contexts.
  *
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_joystick.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_joystick.h
index f598dc828dafa2751d3aba2286059a8298d79aa3..6e05a9c2056cf7134c22459066d253e80e9a4315 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_joystick.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_joystick.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -97,10 +97,10 @@ typedef enum
 typedef enum
 {
     SDL_JOYSTICK_POWER_UNKNOWN = -1,
-    SDL_JOYSTICK_POWER_EMPTY,
-    SDL_JOYSTICK_POWER_LOW,
-    SDL_JOYSTICK_POWER_MEDIUM,
-    SDL_JOYSTICK_POWER_FULL,
+    SDL_JOYSTICK_POWER_EMPTY,   /* <= 5% */
+    SDL_JOYSTICK_POWER_LOW,     /* <= 20% */
+    SDL_JOYSTICK_POWER_MEDIUM,  /* <= 70% */
+    SDL_JOYSTICK_POWER_FULL,    /* <= 100% */
     SDL_JOYSTICK_POWER_WIRED,
     SDL_JOYSTICK_POWER_MAX
 } SDL_JoystickPowerLevel;
@@ -132,6 +132,12 @@ extern DECLSPEC int SDLCALL SDL_NumJoysticks(void);
  */
 extern DECLSPEC const char *SDLCALL SDL_JoystickNameForIndex(int device_index);
 
+/**
+ *  Get the player index of a joystick, or -1 if it's not available
+ *  This can be called before any joysticks are opened.
+ */
+extern DECLSPEC int SDLCALL SDL_JoystickGetDevicePlayerIndex(int device_index);
+
 /**
  *  Return the GUID for the joystick at this index
  *  This can be called before any joysticks are opened.
@@ -194,6 +200,13 @@ extern DECLSPEC SDL_Joystick *SDLCALL SDL_JoystickFromInstanceID(SDL_JoystickID
  */
 extern DECLSPEC const char *SDLCALL SDL_JoystickName(SDL_Joystick * joystick);
 
+/**
+ *  Get the player index of an opened joystick, or -1 if it's not available
+ *
+ *  For XInput controllers this returns the XInput user index.
+ */
+extern DECLSPEC int SDLCALL SDL_JoystickGetPlayerIndex(SDL_Joystick * joystick);
+
 /**
  *  Return the GUID for this opened joystick
  */
@@ -361,6 +374,19 @@ extern DECLSPEC int SDLCALL SDL_JoystickGetBall(SDL_Joystick * joystick,
 extern DECLSPEC Uint8 SDLCALL SDL_JoystickGetButton(SDL_Joystick * joystick,
                                                     int button);
 
+/**
+ *  Trigger a rumble effect
+ *  Each call to this function cancels any previous rumble effect, and calling it with 0 intensity stops any rumbling.
+ *
+ *  \param joystick The joystick to vibrate
+ *  \param low_frequency_rumble The intensity of the low frequency (left) rumble motor, from 0 to 0xFFFF
+ *  \param high_frequency_rumble The intensity of the high frequency (right) rumble motor, from 0 to 0xFFFF
+ *  \param duration_ms The duration of the rumble effect, in milliseconds
+ *
+ *  \return 0, or -1 if rumble isn't supported on this joystick
+ */
+extern DECLSPEC int SDLCALL SDL_JoystickRumble(SDL_Joystick * joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms);
+
 /**
  *  Close a joystick previously opened with SDL_JoystickOpen().
  */
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_keyboard.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_keyboard.h
index e78ca469082c793a8190331c01766a3e3374a5ba..87482317161a6e05324bf5ab769743b1a385b436 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_keyboard.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_keyboard.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_keycode.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_keycode.h
index c41e45ff61b6959937f7f4e912cef24064b72e1f..d7d5b1dbcdefce3777ee48eddcc46853eba2e584 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_keycode.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_keycode.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_loadso.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_loadso.h
index 6ea256c6ae5813dc7b00c269101b4e866fbb5fcc..da56fb452779ee015da429caa8da746c985b0ee0 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_loadso.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_loadso.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_log.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_log.h
index 356d0e1cf7492f54d82e5829a6030587400869d1..e12b6588601712bd217578226f143941ff019cbb 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_log.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_log.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_main.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_main.h
index 2af32360f7be842213bca1253268d5198c768377..98558217fc23ea63118899e44a710b7ba934c720 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_main.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_main.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -63,10 +63,13 @@
 /* On Android SDL provides a Java class in SDLActivity.java that is the
    main activity entry point.
 
-   See README-android.md for more details on extending that class.
+   See docs/README-android.md for more details on extending that class.
  */
 #define SDL_MAIN_NEEDED
 
+/* We need to export SDL_main so it can be launched from Java */
+#define SDLMAIN_DECLSPEC    DECLSPEC
+
 #elif defined(__NACL__)
 /* On NACL we use ppapi_simple to set up the application helper code,
    then wait for the first PSE_INSTANCE_DIDCHANGEVIEW event before 
@@ -85,6 +88,10 @@
 #define C_LINKAGE
 #endif /* __cplusplus */
 
+#ifndef SDLMAIN_DECLSPEC
+#define SDLMAIN_DECLSPEC
+#endif
+
 /**
  *  \file SDL_main.h
  *
@@ -107,7 +114,7 @@
 /**
  *  The prototype for the application's main() function
  */
-extern C_LINKAGE DECLSPEC int SDL_main(int argc, char *argv[]);
+extern C_LINKAGE SDLMAIN_DECLSPEC int SDL_main(int argc, char *argv[]);
 
 
 #include "begin_code.h"
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_messagebox.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_messagebox.h
index c326d8f01098b147e1bff015fb8e355e37f00744..b7be59d88f50ad7686b794ca13cd66f29e7ef557 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_messagebox.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_messagebox.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_mouse.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_mouse.h
index 6001bd46c1e80270d85d18dd72025b0c17f2722a..d3c9f6156cba36ecff91929d7a7eda0784b4af69 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_mouse.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_mouse.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_mutex.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_mutex.h
index 0272379e55e16bb25a913f9b4e4ca11809af7b56..ba4247ced8176dd98396d552536bc4646faa7841 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_mutex.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_mutex.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_name.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_name.h
index 8095ed3ffd4df27fb77a15eebcd532536c3efc09..ecd863f4ca873b55249601228efc5fc578aa4fb1 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_name.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_name.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_opengl.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_opengl.h
index 314dd57eda395c3b9e7bcbaf2d3749b9aa01864d..253d9c93a96f875aa53a51a5a615d4d732d9926d 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_opengl.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_opengl.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_opengles.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_opengles.h
index 800c593070a9ea28a1f01c1d2b84e0f15ad2b33c..18dd984b3ed21bf5fd3bbfcf1a8a34fe58dfca6f 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_opengles.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_opengles.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_opengles2.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_opengles2.h
index 102f2f3fa7075c34639c03109939460ab2e7c2cc..6ccecf216572b4c9514bded0fd0a1c54690e57d8 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_opengles2.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_opengles2.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_pixels.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_pixels.h
index 04246689f5957e5170ad6be433e089e2483ea85a..0b4364b185231109d61663b4acb50e60e1d8fa16 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_pixels.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_pixels.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -287,7 +287,9 @@ enum
     SDL_PIXELFORMAT_NV12 =      /**< Planar mode: Y + U/V interleaved  (2 planes) */
         SDL_DEFINE_PIXELFOURCC('N', 'V', '1', '2'),
     SDL_PIXELFORMAT_NV21 =      /**< Planar mode: Y + V/U interleaved  (2 planes) */
-        SDL_DEFINE_PIXELFOURCC('N', 'V', '2', '1')
+        SDL_DEFINE_PIXELFOURCC('N', 'V', '2', '1'),
+    SDL_PIXELFORMAT_EXTERNAL_OES =      /**< Android video texture format */
+        SDL_DEFINE_PIXELFOURCC('O', 'E', 'S', ' ')
 };
 
 typedef struct SDL_Color
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_platform.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_platform.h
index 9dde385fa67364dbcfcf22598e33961970c4348e..7dea4ce940fe02f1b233d15ec6a75c9452a0422c 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_platform.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_platform.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -121,7 +121,12 @@
 #if defined(WIN32) || defined(_WIN32) || defined(__CYGWIN__) || defined(__MINGW32__)
 /* Try to find out if we're compiling for WinRT or non-WinRT */
 #if defined(_MSC_VER) && defined(__has_include)
-#define HAVE_WINAPIFAMILY_H __has_include(<winapifamily.h>)
+#if __has_include(<winapifamily.h>)
+#define HAVE_WINAPIFAMILY_H 1
+#else
+#define HAVE_WINAPIFAMILY_H 0
+#endif
+
 /* If _USING_V110_SDK71_ is defined it means we are using the Windows XP toolset. */
 #elif defined(_MSC_VER) && (_MSC_VER >= 1700 && !_USING_V110_SDK71_)    /* _MSC_VER == 1700 for Visual Studio 2012 */
 #define HAVE_WINAPIFAMILY_H 1
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_power.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_power.h
index d48e8a3795dfd0d9f8a1cd9ad07ba1c54b1b0d7c..a4fe8a9359c247678ad56a47f8b8106fa465f4a9 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_power.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_power.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_quit.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_quit.h
index 9283c381050a4013097e533a1723c64bb6392938..fea56a8d88b6a0ac9e12807d693628f80991bc3e 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_quit.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_quit.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_rect.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_rect.h
index c4f6d74b339ddc7b71372221758dc229043362fd..543bb618694ea9d4b5383e71a7c35b666b9e754c 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_rect.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_rect.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_render.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_render.h
index ea6ef9ff645cef9e643162828ccb6b5173d1b732..d336192974f4cedab0497ad6ac60aaba19f3f389 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_render.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_render.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -898,6 +898,27 @@ extern DECLSPEC int SDLCALL SDL_GL_BindTexture(SDL_Texture *texture, float *texw
  */
 extern DECLSPEC int SDLCALL SDL_GL_UnbindTexture(SDL_Texture *texture);
 
+/**
+ *  \brief Get the CAMetalLayer associated with the given Metal renderer
+ *
+ *  \param renderer The renderer to query
+ *
+ *  \return CAMetalLayer* on success, or NULL if the renderer isn't a Metal renderer
+ *
+ *  \sa SDL_RenderGetMetalCommandEncoder()
+ */
+extern DECLSPEC void *SDLCALL SDL_RenderGetMetalLayer(SDL_Renderer * renderer);
+
+/**
+ *  \brief Get the Metal command encoder for the current frame
+ *
+ *  \param renderer The renderer to query
+ *
+ *  \return id<MTLRenderCommandEncoder> on success, or NULL if the renderer isn't a Metal renderer
+ *
+ *  \sa SDL_RenderGetMetalLayer()
+ */
+extern DECLSPEC void *SDLCALL SDL_RenderGetMetalCommandEncoder(SDL_Renderer * renderer);
 
 /* Ends C function definitions when using C++ */
 #ifdef __cplusplus
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_revision.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_revision.h
index 9376093ee76bd46fbb70196e87673cda9d53ccd6..92fbe67b132156d911795af5e14b335d15645c66 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_revision.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_revision.h
@@ -1,2 +1,2 @@
-#define SDL_REVISION "hg-11645:2088cd828335"
-#define SDL_REVISION_NUMBER 11645
+#define SDL_REVISION "hg-12373:8feb5da6f2fb"
+#define SDL_REVISION_NUMBER 12373
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_rwops.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_rwops.h
index 7f0cbdfd55d5fabdd8ff80fc5ec605a7dd70bc0c..0960699d4857bb302e9024e7263c89a725a9a276 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_rwops.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_rwops.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_scancode.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_scancode.h
index 1d55212048560455d110797913a3dde07416768c..63871aa3b10beed824756b430687a3e16d7ebe44 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_scancode.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_scancode.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_sensor.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_sensor.h
new file mode 100644
index 0000000000000000000000000000000000000000..ac163a8cd1be73201742fe56293ddc840653f706
--- /dev/null
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_sensor.h
@@ -0,0 +1,251 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+/**
+ *  \file SDL_sensor.h
+ *
+ *  Include file for SDL sensor event handling
+ *
+ */
+
+#ifndef _SDL_sensor_h
+#define _SDL_sensor_h
+
+#include "SDL_stdinc.h"
+#include "SDL_error.h"
+
+#include "begin_code.h"
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+/* *INDENT-OFF* */
+extern "C" {
+/* *INDENT-ON* */
+#endif
+
+/**
+ *  \brief SDL_sensor.h
+ *
+ *  In order to use these functions, SDL_Init() must have been called
+ *  with the ::SDL_INIT_SENSOR flag.  This causes SDL to scan the system
+ *  for sensors, and load appropriate drivers.
+ */
+
+struct _SDL_Sensor;
+typedef struct _SDL_Sensor SDL_Sensor;
+
+/**
+ * This is a unique ID for a sensor for the time it is connected to the system,
+ * and is never reused for the lifetime of the application.
+ *
+ * The ID value starts at 0 and increments from there. The value -1 is an invalid ID.
+ */
+typedef Sint32 SDL_SensorID;
+
+/* The different sensors defined by SDL
+ *
+ * Additional sensors may be available, using platform dependent semantics.
+ *
+ * Hare are the additional Android sensors:
+ * https://developer.android.com/reference/android/hardware/SensorEvent.html#values
+ */
+typedef enum
+{
+    SDL_SENSOR_INVALID = -1,    /**< Returned for an invalid sensor */
+    SDL_SENSOR_UNKNOWN,         /**< Unknown sensor type */
+    SDL_SENSOR_ACCEL,           /**< Accelerometer */
+    SDL_SENSOR_GYRO             /**< Gyroscope */
+} SDL_SensorType;
+
+/**
+ * Accelerometer sensor
+ *
+ * The accelerometer returns the current acceleration in SI meters per
+ * second squared. This includes gravity, so a device at rest will have
+ * an acceleration of SDL_STANDARD_GRAVITY straight down.
+ *
+ * values[0]: Acceleration on the x axis
+ * values[1]: Acceleration on the y axis
+ * values[2]: Acceleration on the z axis
+ *
+ * For phones held in portrait mode, the axes are defined as follows:
+ * -X ... +X : left ... right
+ * -Y ... +Y : bottom ... top
+ * -Z ... +Z : farther ... closer
+ * 
+ * The axis data is not changed when the phone is rotated.
+ *
+ * \sa SDL_GetDisplayOrientation()
+ */
+#define SDL_STANDARD_GRAVITY    9.80665f
+
+/**
+ * Gyroscope sensor
+ *
+ * The gyroscope returns the current rate of rotation in radians per second.
+ * The rotation is positive in the counter-clockwise direction. That is,
+ * an observer looking from a positive location on one of the axes would
+ * see positive rotation on that axis when it appeared to be rotating
+ * counter-clockwise.
+ *
+ * values[0]: Angular speed around the x axis
+ * values[1]: Angular speed around the y axis
+ * values[2]: Angular speed around the z axis
+ *
+ * For phones held in portrait mode, the axes are defined as follows:
+ * -X ... +X : left ... right
+ * -Y ... +Y : bottom ... top
+ * -Z ... +Z : farther ... closer
+ * 
+ * The axis data is not changed when the phone is rotated.
+ *
+ * \sa SDL_GetDisplayOrientation()
+ */
+
+/* Function prototypes */
+
+/**
+ *  \brief Count the number of sensors attached to the system right now
+ */
+extern DECLSPEC int SDLCALL SDL_NumSensors(void);
+
+/**
+ *  \brief Get the implementation dependent name of a sensor.
+ *
+ *  This can be called before any sensors are opened.
+ * 
+ *  \return The sensor name, or NULL if device_index is out of range.
+ */
+extern DECLSPEC const char *SDLCALL SDL_SensorGetDeviceName(int device_index);
+
+/**
+ *  \brief Get the type of a sensor.
+ *
+ *  This can be called before any sensors are opened.
+ *
+ *  \return The sensor type, or SDL_SENSOR_INVALID if device_index is out of range.
+ */
+extern DECLSPEC SDL_SensorType SDLCALL SDL_SensorGetDeviceType(int device_index);
+
+/**
+ *  \brief Get the platform dependent type of a sensor.
+ *
+ *  This can be called before any sensors are opened.
+ *
+ *  \return The sensor platform dependent type, or -1 if device_index is out of range.
+ */
+extern DECLSPEC int SDLCALL SDL_SensorGetDeviceNonPortableType(int device_index);
+
+/**
+ *  \brief Get the instance ID of a sensor.
+ *
+ *  This can be called before any sensors are opened.
+ *
+ *  \return The sensor instance ID, or -1 if device_index is out of range.
+ */
+extern DECLSPEC SDL_SensorID SDLCALL SDL_SensorGetDeviceInstanceID(int device_index);
+
+/**
+ *  \brief Open a sensor for use.
+ *
+ *  The index passed as an argument refers to the N'th sensor on the system.
+ *
+ *  \return A sensor identifier, or NULL if an error occurred.
+ */
+extern DECLSPEC SDL_Sensor *SDLCALL SDL_SensorOpen(int device_index);
+
+/**
+ * Return the SDL_Sensor associated with an instance id.
+ */
+extern DECLSPEC SDL_Sensor *SDLCALL SDL_SensorFromInstanceID(SDL_SensorID instance_id);
+
+/**
+ *  \brief Get the implementation dependent name of a sensor.
+ *
+ *  \return The sensor name, or NULL if the sensor is NULL.
+ */
+extern DECLSPEC const char *SDLCALL SDL_SensorGetName(SDL_Sensor *sensor);
+
+/**
+ *  \brief Get the type of a sensor.
+ *
+ *  This can be called before any sensors are opened.
+ *
+ *  \return The sensor type, or SDL_SENSOR_INVALID if the sensor is NULL.
+ */
+extern DECLSPEC SDL_SensorType SDLCALL SDL_SensorGetType(SDL_Sensor *sensor);
+
+/**
+ *  \brief Get the platform dependent type of a sensor.
+ *
+ *  This can be called before any sensors are opened.
+ *
+ *  \return The sensor platform dependent type, or -1 if the sensor is NULL.
+ */
+extern DECLSPEC int SDLCALL SDL_SensorGetNonPortableType(SDL_Sensor *sensor);
+
+/**
+ *  \brief Get the instance ID of a sensor.
+ *
+ *  This can be called before any sensors are opened.
+ *
+ *  \return The sensor instance ID, or -1 if the sensor is NULL.
+ */
+extern DECLSPEC SDL_SensorID SDLCALL SDL_SensorGetInstanceID(SDL_Sensor *sensor);
+
+/**
+ *  Get the current state of an opened sensor.
+ *
+ *  The number of values and interpretation of the data is sensor dependent.
+ *
+ *  \param sensor The sensor to query
+ *  \param data A pointer filled with the current sensor state
+ *  \param num_values The number of values to write to data
+ *
+ *  \return 0 or -1 if an error occurred.
+ */
+extern DECLSPEC int SDLCALL SDL_SensorGetData(SDL_Sensor * sensor, float *data, int num_values);
+
+/**
+ *  Close a sensor previously opened with SDL_SensorOpen()
+ */
+extern DECLSPEC void SDLCALL SDL_SensorClose(SDL_Sensor * sensor);
+
+/**
+ *  Update the current state of the open sensors.
+ *
+ *  This is called automatically by the event loop if sensor events are enabled.
+ *
+ *  This needs to be called from the thread that initialized the sensor subsystem.
+ */
+extern DECLSPEC void SDLCALL SDL_SensorUpdate(void);
+
+
+/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+/* *INDENT-OFF* */
+}
+/* *INDENT-ON* */
+#endif
+#include "close_code.h"
+
+#endif /* _SDL_sensor_h */
+
+/* vi: set ts=4 sw=4 expandtab: */
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_shape.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_shape.h
index 9e492d93a4d1f6e42bcb2bbfec31fd71520cbaaa..40a6baaaec3d4d7e46c1da1fed54949123421035 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_shape.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_shape.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_stdinc.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_stdinc.h
index 72402299f2da1892dd2224bc436b1822007f9b51..e373bc380f68867e5638b8f6ea26521a66a906ee 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_stdinc.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_stdinc.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -86,6 +86,28 @@
 #ifdef HAVE_FLOAT_H
 # include <float.h>
 #endif
+#if defined(HAVE_ALLOCA) && !defined(alloca)
+# if defined(HAVE_ALLOCA_H)
+#  include <alloca.h>
+# elif defined(__GNUC__)
+#  define alloca __builtin_alloca
+# elif defined(_MSC_VER)
+#  include <malloc.h>
+#  define alloca _alloca
+# elif defined(__WATCOMC__)
+#  include <malloc.h>
+# elif defined(__BORLANDC__)
+#  include <malloc.h>
+# elif defined(__DMC__)
+#  include <stdlib.h>
+# elif defined(__AIX__)
+#pragma alloca
+# elif defined(__MRC__)
+void *alloca(unsigned);
+# else
+char *alloca();
+# endif
+#endif
 
 /**
  *  The number of elements in an array.
@@ -328,28 +350,6 @@ SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int));
 extern "C" {
 #endif
 
-#if defined(HAVE_ALLOCA) && !defined(alloca)
-# if defined(HAVE_ALLOCA_H)
-#  include <alloca.h>
-# elif defined(__GNUC__)
-#  define alloca __builtin_alloca
-# elif defined(_MSC_VER)
-#  include <malloc.h>
-#  define alloca _alloca
-# elif defined(__WATCOMC__)
-#  include <malloc.h>
-# elif defined(__BORLANDC__)
-#  include <malloc.h>
-# elif defined(__DMC__)
-#  include <stdlib.h>
-# elif defined(__AIX__)
-#pragma alloca
-# elif defined(__MRC__)
-void *alloca(unsigned);
-# else
-char *alloca();
-# endif
-#endif
 #ifdef HAVE_ALLOCA
 #define SDL_stack_alloc(type, count)    (type*)alloca(sizeof(type)*(count))
 #define SDL_stack_free(data)
@@ -445,12 +445,12 @@ SDL_FORCE_INLINE void SDL_memset4(void *dst, Uint32 val, size_t dwords)
 #endif
 }
 
-
 extern DECLSPEC void *SDLCALL SDL_memcpy(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
 
 extern DECLSPEC void *SDLCALL SDL_memmove(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
 extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len);
 
+extern DECLSPEC wchar_t *SDLCALL SDL_wcsdup(const wchar_t *wstr);
 extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t *wstr);
 extern DECLSPEC size_t SDLCALL SDL_wcslcpy(SDL_OUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
 extern DECLSPEC size_t SDLCALL SDL_wcslcat(SDL_INOUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
@@ -501,18 +501,35 @@ extern DECLSPEC int SDLCALL SDL_vsnprintf(SDL_OUT_Z_CAP(maxlen) char *text, size
 #endif
 
 extern DECLSPEC double SDLCALL SDL_acos(double x);
+extern DECLSPEC float SDLCALL SDL_acosf(float x);
 extern DECLSPEC double SDLCALL SDL_asin(double x);
+extern DECLSPEC float SDLCALL SDL_asinf(float x);
 extern DECLSPEC double SDLCALL SDL_atan(double x);
+extern DECLSPEC float SDLCALL SDL_atanf(float x);
 extern DECLSPEC double SDLCALL SDL_atan2(double x, double y);
+extern DECLSPEC float SDLCALL SDL_atan2f(float x, float y);
 extern DECLSPEC double SDLCALL SDL_ceil(double x);
+extern DECLSPEC float SDLCALL SDL_ceilf(float x);
 extern DECLSPEC double SDLCALL SDL_copysign(double x, double y);
+extern DECLSPEC float SDLCALL SDL_copysignf(float x, float y);
 extern DECLSPEC double SDLCALL SDL_cos(double x);
 extern DECLSPEC float SDLCALL SDL_cosf(float x);
+extern DECLSPEC double SDLCALL SDL_exp(double x);
+extern DECLSPEC float SDLCALL SDL_expf(float x);
 extern DECLSPEC double SDLCALL SDL_fabs(double x);
+extern DECLSPEC float SDLCALL SDL_fabsf(float x);
 extern DECLSPEC double SDLCALL SDL_floor(double x);
+extern DECLSPEC float SDLCALL SDL_floorf(float x);
+extern DECLSPEC double SDLCALL SDL_fmod(double x, double y);
+extern DECLSPEC float SDLCALL SDL_fmodf(float x, float y);
 extern DECLSPEC double SDLCALL SDL_log(double x);
+extern DECLSPEC float SDLCALL SDL_logf(float x);
+extern DECLSPEC double SDLCALL SDL_log10(double x);
+extern DECLSPEC float SDLCALL SDL_log10f(float x);
 extern DECLSPEC double SDLCALL SDL_pow(double x, double y);
+extern DECLSPEC float SDLCALL SDL_powf(float x, float y);
 extern DECLSPEC double SDLCALL SDL_scalbn(double x, int n);
+extern DECLSPEC float SDLCALL SDL_scalbnf(float x, int n);
 extern DECLSPEC double SDLCALL SDL_sin(double x);
 extern DECLSPEC float SDLCALL SDL_sinf(float x);
 extern DECLSPEC double SDLCALL SDL_sqrt(double x);
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_surface.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_surface.h
index 510690c9cffe37fa3153d547d87c9ed0089584c2..730d49fc805ec54d5725c7369db4578d194aa56a 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_surface.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_surface.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -97,6 +97,17 @@ typedef struct SDL_Surface
 typedef int (SDLCALL *SDL_blit) (struct SDL_Surface * src, SDL_Rect * srcrect,
                                  struct SDL_Surface * dst, SDL_Rect * dstrect);
 
+/**
+ * \brief The formula used for converting between YUV and RGB
+ */
+typedef enum
+{
+    SDL_YUV_CONVERSION_JPEG,        /**< Full range JPEG */
+    SDL_YUV_CONVERSION_BT601,       /**< BT.601 (the default) */
+    SDL_YUV_CONVERSION_BT709,       /**< BT.709 */
+    SDL_YUV_CONVERSION_AUTOMATIC    /**< BT.601 for SD content, BT.709 for HD content */
+} SDL_YUV_CONVERSION_MODE;
+
 /**
  *  Allocate and free an RGB surface.
  *
@@ -237,6 +248,13 @@ extern DECLSPEC int SDLCALL SDL_SetSurfaceRLE(SDL_Surface * surface,
 extern DECLSPEC int SDLCALL SDL_SetColorKey(SDL_Surface * surface,
                                             int flag, Uint32 key);
 
+/**
+ *  \brief Returns whether the surface has a color key
+ *
+ *  \return SDL_TRUE if the surface has a color key, or SDL_FALSE if the surface is NULL or has no color key
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_HasColorKey(SDL_Surface * surface);
+
 /**
  *  \brief Gets the color key (transparent pixel) in a blittable surface.
  *
@@ -509,6 +527,20 @@ extern DECLSPEC int SDLCALL SDL_LowerBlitScaled
     (SDL_Surface * src, SDL_Rect * srcrect,
     SDL_Surface * dst, SDL_Rect * dstrect);
 
+/**
+ *  \brief Set the YUV conversion mode
+ */
+extern DECLSPEC void SDLCALL SDL_SetYUVConversionMode(SDL_YUV_CONVERSION_MODE mode);
+
+/**
+ *  \brief Get the YUV conversion mode
+ */
+extern DECLSPEC SDL_YUV_CONVERSION_MODE SDLCALL SDL_GetYUVConversionMode(void);
+
+/**
+ *  \brief Get the YUV conversion mode, returning the correct mode for the resolution when the current conversion mode is SDL_YUV_CONVERSION_AUTOMATIC
+ */
+extern DECLSPEC SDL_YUV_CONVERSION_MODE SDLCALL SDL_GetYUVConversionModeForResolution(int width, int height);
 
 /* Ends C function definitions when using C++ */
 #ifdef __cplusplus
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_system.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_system.h
index eb069b33d8127f026de8b57b1869ccf3297f75e6..4dc372d6b14bb7fd49f64f716d1f9f29e3a15fbc 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_system.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_system.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -76,6 +76,18 @@ extern DECLSPEC SDL_bool SDLCALL SDL_DXGIGetOutputInfo( int displayIndex, int *a
 #endif /* __WIN32__ */
 
 
+/* Platform specific functions for Linux */
+#ifdef __LINUX__
+
+/**
+   \brief Sets the UNIX nice value for a thread, using setpriority() if possible, and RealtimeKit if available.
+
+   \return 0 on success, or -1 on error.
+ */
+extern DECLSPEC int SDLCALL SDL_LinuxSetThreadPriority(Sint64 threadID, int priority);
+ 
+#endif /* __LINUX__ */
+	
 /* Platform specific functions for iOS */
 #if defined(__IPHONEOS__) && __IPHONEOS__
 
@@ -108,6 +120,26 @@ extern DECLSPEC void * SDLCALL SDL_AndroidGetJNIEnv(void);
  */
 extern DECLSPEC void * SDLCALL SDL_AndroidGetActivity(void);
 
+/**
+   \brief Return true if the application is running on Android TV
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_IsAndroidTV(void);
+
+/**
+   \brief Return true if the application is running on a Chromebook
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_IsChromebook(void);
+
+/**
+  \brief Return true is the application is running on a Samsung DeX docking station
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_IsDeXMode(void);
+
+/**
+ \brief Trigger the Android system back button behavior.
+ */
+extern DECLSPEC void SDLCALL SDL_AndroidBackButton(void);
+
 /**
    See the official Android developer guide for more information:
    http://developer.android.com/guide/topics/data/data-storage.html
@@ -169,6 +201,25 @@ typedef enum
 } SDL_WinRT_Path;
 
 
+/**
+ *  \brief WinRT Device Family
+ */
+typedef enum
+{
+    /** \brief Unknown family  */
+    SDL_WINRT_DEVICEFAMILY_UNKNOWN,
+
+    /** \brief Desktop family*/
+    SDL_WINRT_DEVICEFAMILY_DESKTOP,
+
+    /** \brief Mobile family (for example smartphone) */
+    SDL_WINRT_DEVICEFAMILY_MOBILE,
+
+    /** \brief XBox family */
+    SDL_WINRT_DEVICEFAMILY_XBOX,
+} SDL_WinRT_DeviceFamily;
+
+
 /**
  *  \brief Retrieves a WinRT defined path on the local file system
  *
@@ -203,8 +254,20 @@ extern DECLSPEC const wchar_t * SDLCALL SDL_WinRTGetFSPathUNICODE(SDL_WinRT_Path
  */
 extern DECLSPEC const char * SDLCALL SDL_WinRTGetFSPathUTF8(SDL_WinRT_Path pathType);
 
+/**
+ *  \brief Detects the device family of WinRT plattform on runtime
+ *
+ *  \return Device family
+ */
+extern DECLSPEC SDL_WinRT_DeviceFamily SDLCALL SDL_WinRTGetDeviceFamily();
+
 #endif /* __WINRT__ */
 
+/**
+ \brief Return true if the current device is a tablet.
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_IsTablet(void);
+
 /* Ends C function definitions when using C++ */
 #ifdef __cplusplus
 }
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_syswm.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_syswm.h
index 2d18afb6cf90173ca289b53f74dad013a3440909..f1c4021cc8b37be22124d28a99733d1e696e71e6 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_syswm.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_syswm.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -33,12 +33,6 @@
 #include "SDL_video.h"
 #include "SDL_version.h"
 
-#include "begin_code.h"
-/* Set up for C function definitions, even when using C++ */
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 /**
  *  \file SDL_syswm.h
  *
@@ -110,6 +104,12 @@ typedef void *EGLSurface;
 #include "SDL_egl.h"
 #endif
 
+#include "begin_code.h"
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /**
  *  These are the various supported windowing subsystems
  */
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test.h
index f55afcb02273929055de6bf3a8848c2025e3bda3..6cc373bf809ca34195c28d7ef465fffac49c0e89 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_assert.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_assert.h
index 11d8363942948261e7a2403c3556d7e45860ef8a..1788d7a206916e92ccc607c24d93805ec368c838 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_assert.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_assert.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_common.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_common.h
index 24eeb32af1b8731d95e28084a051b219480810be..be2e6b2aab48af89d8aab4986bd15bd0fc13bd68 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_common.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_common.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_compare.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_compare.h
index 9f4c4587ade92d8afe8d8102bd216db4458930e3..c22e447d8aee297971e6c51e4c1dd2fdb3a5cd52 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_compare.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_compare.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_crc32.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_crc32.h
index add480c349fd91512e3a3229f44858407529a106..3d235d07400f10b10297e533f7d74c2cf02bc394 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_crc32.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_crc32.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_font.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_font.h
index 58c9f9d5e5f3334e23df3bbcba45cc6483635f67..59cbdcad6bcb101764c689f915d8395866b6ea6a 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_font.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_font.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_fuzzer.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_fuzzer.h
index 6cf05747ad91914fe7155322876cd3ff6e2a28d6..8fcb9ebbfa1ba58da745c08e0eb0a322e00319c6 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_fuzzer.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_fuzzer.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_harness.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_harness.h
index 68c4bcb7c44ff1fb09722fa81be6fb5013917eef..8641e0a7e3ad9945ed5ec93813920017bcc06447 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_harness.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_harness.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_images.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_images.h
index 683d2f8a689e8d49b1c750493a6c04112a19b8e3..9c4dd5b82954fc21c15ff9027372ca3419c6252e 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_images.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_images.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_log.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_log.h
index 9f993fbbc880ded0f9c4c2dd81d838fb60753ed2..ebd44fb5021c3f4fc64dcab127780ab7da89ebd2 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_log.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_log.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_md5.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_md5.h
index 67ca7d1defbb70c02e83d43eef7f11ee6cbc81e5..0e4105768fdb6bd059ad867cb90d74637e28660c 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_md5.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_md5.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_memory.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_memory.h
index 43b67f521be347be755fa725dfd2bdd6b96f6c01..4827ae6f2c372db861a635ae9faa32637f152a18 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_memory.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_memory.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_random.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_random.h
index 2b01922c3ed5b82aace74bce3c661ce7c8b62782..0eb414ff2e4db2488ac5671f9d1a91048d0f3b34 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_random.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_test_random.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_thread.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_thread.h
index d0f6575cd5ac7562cb5dba1ca84b5e94b4a3f029..554dd0b61d02481d6f665dbde0799361b1967632 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_thread.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_thread.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -54,12 +54,13 @@ typedef unsigned int SDL_TLSID;
 /**
  *  The SDL thread priority.
  *
- *  \note On many systems you require special privileges to set high priority.
+ *  \note On many systems you require special privileges to set high or time critical priority.
  */
 typedef enum {
     SDL_THREAD_PRIORITY_LOW,
     SDL_THREAD_PRIORITY_NORMAL,
-    SDL_THREAD_PRIORITY_HIGH
+    SDL_THREAD_PRIORITY_HIGH,
+    SDL_THREAD_PRIORITY_TIME_CRITICAL
 } SDL_ThreadPriority;
 
 /**
@@ -105,14 +106,24 @@ SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data,
                  pfnSDL_CurrentBeginThread pfnBeginThread,
                  pfnSDL_CurrentEndThread pfnEndThread);
 
+extern DECLSPEC SDL_Thread *SDLCALL
+SDL_CreateThreadWithStackSize(int (SDLCALL * fn) (void *),
+                 const char *name, const size_t stacksize, void *data,
+                 pfnSDL_CurrentBeginThread pfnBeginThread,
+                 pfnSDL_CurrentEndThread pfnEndThread);
+
+
 /**
  *  Create a thread.
  */
 #if defined(SDL_CreateThread) && SDL_DYNAMIC_API
 #undef SDL_CreateThread
 #define SDL_CreateThread(fn, name, data) SDL_CreateThread_REAL(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthreadex, (pfnSDL_CurrentEndThread)_endthreadex)
+#undef SDL_CreateThreadWithStackSize
+#define SDL_CreateThreadWithStackSize(fn, name, stacksize, data) SDL_CreateThreadWithStackSize_REAL(fn, name, stacksize, data, (pfnSDL_CurrentBeginThread)_beginthreadex, (pfnSDL_CurrentEndThread)_endthreadex)
 #else
 #define SDL_CreateThread(fn, name, data) SDL_CreateThread(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthreadex, (pfnSDL_CurrentEndThread)_endthreadex)
+#define SDL_CreateThreadWithStackSize(fn, name, stacksize, data) SDL_CreateThreadWithStackSize(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthreadex, (pfnSDL_CurrentEndThread)_endthreadex)
 #endif
 
 #elif defined(__OS2__)
@@ -132,15 +143,31 @@ extern DECLSPEC SDL_Thread *SDLCALL
 SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data,
                  pfnSDL_CurrentBeginThread pfnBeginThread,
                  pfnSDL_CurrentEndThread pfnEndThread);
+extern DECLSPEC SDL_Thread *SDLCALL
+SDL_CreateThreadWithStackSize(SDL_ThreadFunction fn, const char *name, const size_t stacksize, void *data,
+                 pfnSDL_CurrentBeginThread pfnBeginThread,
+                 pfnSDL_CurrentEndThread pfnEndThread);
 #if defined(SDL_CreateThread) && SDL_DYNAMIC_API
 #undef SDL_CreateThread
 #define SDL_CreateThread(fn, name, data) SDL_CreateThread_REAL(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthread, (pfnSDL_CurrentEndThread)_endthread)
+#undef SDL_CreateThreadWithStackSize
+#define SDL_CreateThreadWithStackSize(fn, name, stacksize, data) SDL_CreateThreadWithStackSize_REAL(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthread, (pfnSDL_CurrentEndThread)_endthread)
 #else
 #define SDL_CreateThread(fn, name, data) SDL_CreateThread(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthread, (pfnSDL_CurrentEndThread)_endthread)
+#define SDL_CreateThreadWithStackSize(fn, name, stacksize, data) SDL_CreateThreadWithStackSize(fn, name, stacksize, data, (pfnSDL_CurrentBeginThread)_beginthread, (pfnSDL_CurrentEndThread)_endthread)
 #endif
 
 #else
 
+/**
+ *  Create a thread with a default stack size.
+ *
+ *  This is equivalent to calling:
+ *  SDL_CreateThreadWithStackSize(fn, name, 0, data);
+ */
+extern DECLSPEC SDL_Thread *SDLCALL
+SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data);
+
 /**
  *  Create a thread.
  *
@@ -158,9 +185,17 @@ SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data,
  *   If a system imposes requirements, SDL will try to munge the string for
  *    it (truncate, etc), but the original string contents will be available
  *    from SDL_GetThreadName().
+ *
+ *   The size (in bytes) of the new stack can be specified. Zero means "use
+ *    the system default" which might be wildly different between platforms
+ *    (x86 Linux generally defaults to eight megabytes, an embedded device
+ *    might be a few kilobytes instead).
+ *
+ *   In SDL 2.1, stacksize will be folded into the original SDL_CreateThread
+ *    function.
  */
 extern DECLSPEC SDL_Thread *SDLCALL
-SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data);
+SDL_CreateThreadWithStackSize(SDL_ThreadFunction fn, const char *name, const size_t stacksize, void *data);
 
 #endif
 
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_timer.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_timer.h
index 282625d3f0dc8dfe2b94fa48032d037cace0de3c..5600618ff4f8fbaacb2edf547ef8da1c182a0257 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_timer.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_timer.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_touch.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_touch.h
index db9e25ebdccad221a3c38bbce06b02bec65c3c2c..f4075e79a5b5dd486579aa374474e3927101abe1 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_touch.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_touch.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_types.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_types.h
index 06ee80cb358963b2fca3d8218a81595345e52671..4ac248c8c577f5150c8de8ad1b36df3bd4aea854 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_types.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_types.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_version.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_version.h
index 5b4c402486d6adb4e8ebaec3cfa4bee301e48e8b..31443e149adc071cba7431bc0cd47b007f1a0e22 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_version.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_version.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -59,7 +59,7 @@ typedef struct SDL_version
 */
 #define SDL_MAJOR_VERSION   2
 #define SDL_MINOR_VERSION   0
-#define SDL_PATCHLEVEL      7
+#define SDL_PATCHLEVEL      9
 
 /**
  *  \brief Macro to determine SDL version program was compiled against.
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_video.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_video.h
index 6f6cda8b182b22160d97c0d9d5e684290419d0b9..461f13805101c9214ef4bd9b6df3143c3f093692 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_video.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_video.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -110,7 +110,9 @@ typedef enum
     SDL_WINDOW_MOUSE_FOCUS = 0x00000400,        /**< window has mouse focus */
     SDL_WINDOW_FULLSCREEN_DESKTOP = ( SDL_WINDOW_FULLSCREEN | 0x00001000 ),
     SDL_WINDOW_FOREIGN = 0x00000800,            /**< window not created by SDL */
-    SDL_WINDOW_ALLOW_HIGHDPI = 0x00002000,      /**< window should be created in high-DPI mode if supported */
+    SDL_WINDOW_ALLOW_HIGHDPI = 0x00002000,      /**< window should be created in high-DPI mode if supported.
+                                                     On macOS NSHighResolutionCapable must be set true in the
+                                                     application's Info.plist for this to have any effect. */
     SDL_WINDOW_MOUSE_CAPTURE = 0x00004000,      /**< window has mouse captured (unrelated to INPUT_GRABBED) */
     SDL_WINDOW_ALWAYS_ON_TOP = 0x00008000,      /**< window should always be above others */
     SDL_WINDOW_SKIP_TASKBAR  = 0x00010000,      /**< window should not be added to the taskbar */
@@ -167,6 +169,24 @@ typedef enum
     SDL_WINDOWEVENT_HIT_TEST        /**< Window had a hit test that wasn't SDL_HITTEST_NORMAL. */
 } SDL_WindowEventID;
 
+/**
+ *  \brief Event subtype for display events
+ */
+typedef enum
+{
+    SDL_DISPLAYEVENT_NONE,          /**< Never used */
+    SDL_DISPLAYEVENT_ORIENTATION    /**< Display orientation has changed to data1 */
+} SDL_DisplayEventID;
+
+typedef enum
+{
+    SDL_ORIENTATION_UNKNOWN,            /**< The display orientation can't be determined */
+    SDL_ORIENTATION_LANDSCAPE,          /**< The display is in landscape mode, with the right side up, relative to portrait mode */
+    SDL_ORIENTATION_LANDSCAPE_FLIPPED,  /**< The display is in landscape mode, with the left side up, relative to portrait mode */
+    SDL_ORIENTATION_PORTRAIT,           /**< The display is in portrait mode */
+    SDL_ORIENTATION_PORTRAIT_FLIPPED    /**< The display is in portrait mode, upside down */
+} SDL_DisplayOrientation;
+
 /**
  *  \brief An opaque handle to an OpenGL context.
  */
@@ -314,18 +334,6 @@ extern DECLSPEC const char * SDLCALL SDL_GetDisplayName(int displayIndex);
  */
 extern DECLSPEC int SDLCALL SDL_GetDisplayBounds(int displayIndex, SDL_Rect * rect);
 
-/**
- *  \brief Get the dots/pixels-per-inch for a display
- *
- *  \note Diagonal, horizontal and vertical DPI can all be optionally
- *        returned if the parameter is non-NULL.
- *
- *  \return 0 on success, or -1 if no DPI information is available or the index is out of range.
- *
- *  \sa SDL_GetNumVideoDisplays()
- */
-extern DECLSPEC int SDLCALL SDL_GetDisplayDPI(int displayIndex, float * ddpi, float * hdpi, float * vdpi);
-
 /**
  *  \brief Get the usable desktop area represented by a display, with the
  *         primary display located at 0,0
@@ -345,6 +353,27 @@ extern DECLSPEC int SDLCALL SDL_GetDisplayDPI(int displayIndex, float * ddpi, fl
  */
 extern DECLSPEC int SDLCALL SDL_GetDisplayUsableBounds(int displayIndex, SDL_Rect * rect);
 
+/**
+ *  \brief Get the dots/pixels-per-inch for a display
+ *
+ *  \note Diagonal, horizontal and vertical DPI can all be optionally
+ *        returned if the parameter is non-NULL.
+ *
+ *  \return 0 on success, or -1 if no DPI information is available or the index is out of range.
+ *
+ *  \sa SDL_GetNumVideoDisplays()
+ */
+extern DECLSPEC int SDLCALL SDL_GetDisplayDPI(int displayIndex, float * ddpi, float * hdpi, float * vdpi);
+
+/**
+ *  \brief Get the orientation of a display
+ *
+ *  \return The orientation of the display, or SDL_ORIENTATION_UNKNOWN if it isn't available.
+ *
+ *  \sa SDL_GetNumVideoDisplays()
+ */
+extern DECLSPEC SDL_DisplayOrientation SDLCALL SDL_GetDisplayOrientation(int displayIndex);
+
 /**
  *  \brief Returns the number of available display modes.
  *
@@ -470,7 +499,7 @@ extern DECLSPEC Uint32 SDLCALL SDL_GetWindowPixelFormat(SDL_Window * window);
  *  If the window is created with any of the SDL_WINDOW_OPENGL or
  *  SDL_WINDOW_VULKAN flags, then the corresponding LoadLibrary function
  *  (SDL_GL_LoadLibrary or SDL_Vulkan_LoadLibrary) is called and the
- *  corrensponding UnloadLibrary function is called by SDL_DestroyWindow().
+ *  corresponding UnloadLibrary function is called by SDL_DestroyWindow().
  *
  *  If SDL_WINDOW_VULKAN is specified and there isn't a working Vulkan driver,
  *  SDL_CreateWindow() will fail because SDL_Vulkan_LoadLibrary() will fail.
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_vulkan.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_vulkan.h
index 803b5feef3489ba257ae3664cc93afc9f8fbcf1d..972cca4d7c2658f735d96d549ccd2a5819592b16 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_vulkan.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/SDL_vulkan.h
@@ -69,30 +69,43 @@ typedef VkSurfaceKHR SDL_vulkanSurface; /* for compatibility with Tizen */
  *  \brief Dynamically load a Vulkan loader library.
  *
  *  \param [in] path The platform dependent Vulkan loader library name, or
- *              \c NULL to open the default Vulkan loader library.
+ *              \c NULL.
  *
  *  \return \c 0 on success, or \c -1 if the library couldn't be loaded.
  *
- *  This should be done after initializing the video driver, but before
+ *  If \a path is NULL SDL will use the value of the environment variable
+ *  \c SDL_VULKAN_LIBRARY, if set, otherwise it loads the default Vulkan
+ *  loader library.
+ *
+ *  This should be called after initializing the video driver, but before
  *  creating any Vulkan windows. If no Vulkan loader library is loaded, the
  *  default library will be loaded upon creation of the first Vulkan window.
  *
- *  \note If you specify a non-NULL \a path, you should retrieve all of the
- *        Vulkan functions used in your program from the dynamic library using
+ *  \note It is fairly common for Vulkan applications to link with \a libvulkan
+ *        instead of explicitly loading it at run time. This will work with
+ *        SDL provided the application links to a dynamic library and both it
+ *        and SDL use the same search path.
+ *
+ *  \note If you specify a non-NULL \c path, an application should retrieve all
+ *        of the Vulkan functions it uses from the dynamic library using
  *        \c SDL_Vulkan_GetVkGetInstanceProcAddr() unless you can guarantee
- *        \a path points to the same vulkan loader library that you linked to.
+ *        \c path points to the same vulkan loader library the application
+ *        linked to.
  *
  *  \note On Apple devices, if \a path is NULL, SDL will attempt to find
  *        the vkGetInstanceProcAddr address within all the mach-o images of
- *        the current process. This is because the currently (v0.17.0)
- *        recommended MoltenVK (Vulkan on Metal) usage is as a static library.
- *        If it is not found then SDL will attempt to load \c libMoltenVK.dylib.
- *        Applications using the dylib alternative therefore do not need to do
- *        anything special when calling SDL.
- *
- *  \note On non-Apple devices, SDL requires you to either not link to the
- *        Vulkan loader or link to a dynamic library version. This limitation
- *        may be removed in a future version of SDL.
+ *        the current process. This is because it is fairly common for Vulkan
+ *        applications to link with libvulkan (and historically MoltenVK was
+ *        provided as a static library). If it is not found then, on macOS, SDL
+ *        will attempt to load \c vulkan.framework/vulkan, \c libvulkan.1.dylib,
+ *        \c MoltenVK.framework/MoltenVK and \c libMoltenVK.dylib in that order.
+ *        On iOS SDL will attempt to load \c libMoltenVK.dylib. Applications
+ *        using a dynamic framework or .dylib must ensure it is included in its
+ *        application bundle.
+ *
+ *  \note On non-Apple devices, application linking with a static libvulkan is
+ *        not supported. Either do not link to the Vulkan loader or link to a
+ *        dynamic library version.
  *
  *  \note This function will fail if there are no working Vulkan drivers
  *        installed.
@@ -122,11 +135,11 @@ extern DECLSPEC void SDLCALL SDL_Vulkan_UnloadLibrary(void);
  *  \brief Get the names of the Vulkan instance extensions needed to create
  *         a surface with \c SDL_Vulkan_CreateSurface().
  *
- *  \param [in]     window Window for which the required Vulkan instance
+ *  \param [in]     \c NULL or window Window for which the required Vulkan instance
  *                  extensions should be retrieved
- *  \param [in,out] count pointer to an \c unsigned related to the number of
+ *  \param [in,out] pCount pointer to an \c unsigned related to the number of
  *                  required Vulkan instance extensions
- *  \param [out]    names \c NULL or a pointer to an array to be filled with the
+ *  \param [out]    pNames \c NULL or a pointer to an array to be filled with the
  *                  required Vulkan instance extensions
  *
  *  \return \c SDL_TRUE on success, \c SDL_FALSE on error.
@@ -140,6 +153,10 @@ extern DECLSPEC void SDLCALL SDL_Vulkan_UnloadLibrary(void);
  *  is smaller than the number of required extensions, \c SDL_FALSE will be
  *  returned instead of \c SDL_TRUE, to indicate that not all the required
  *  extensions were returned.
+ * 
+ *  \note If \c window is not NULL, it will be checked against its creation
+ *        flags to ensure that the Vulkan flag is present. This parameter
+ *        will be removed in a future major release.
  *
  *  \note The returned list of extensions will contain \c VK_KHR_surface
  *        and zero or more platform specific extensions
@@ -147,12 +164,13 @@ extern DECLSPEC void SDLCALL SDL_Vulkan_UnloadLibrary(void);
  *  \note The extension names queried here must be enabled when calling
  *        VkCreateInstance, otherwise surface creation will fail.
  *
- *  \note \c window should have been created with the \c SDL_WINDOW_VULKAN flag.
+ *  \note \c window should have been created with the \c SDL_WINDOW_VULKAN flag
+ *        or be \c NULL
  *
  *  \code
  *  unsigned int count;
  *  // get count of required extensions
- *  if(!SDL_Vulkan_GetInstanceExtensions(window, &count, NULL))
+ *  if(!SDL_Vulkan_GetInstanceExtensions(NULL, &count, NULL))
  *      handle_error();
  *
  *  static const char *const additionalExtensions[] =
@@ -166,7 +184,7 @@ extern DECLSPEC void SDLCALL SDL_Vulkan_UnloadLibrary(void);
  *      handle_error();
  *
  *  // get names of required extensions
- *  if(!SDL_Vulkan_GetInstanceExtensions(window, &count, names))
+ *  if(!SDL_Vulkan_GetInstanceExtensions(NULL, &count, names))
  *      handle_error();
  *
  *  // copy additional extensions after required extensions
@@ -240,6 +258,9 @@ extern DECLSPEC SDL_bool SDLCALL SDL_Vulkan_CreateSurface(
  * platform with high-DPI support (Apple calls this "Retina"), and not disabled
  * by the \c SDL_HINT_VIDEO_HIGHDPI_DISABLED hint.
  *
+ *  \note On macOS high-DPI support must be enabled for an application by
+ *        setting NSHighResolutionCapable to true in its Info.plist.
+ *
  *  \sa SDL_GetWindowSize()
  *  \sa SDL_CreateWindow()
  */
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/begin_code.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/begin_code.h
index 5372d6f04df418acb02bf51cd545c2170bb73849..6c2106246f2583ba711451bc7e39fc2af7e9eec7 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/begin_code.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/begin_code.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/include/SDL2/close_code.h b/libs/SDL2/i686-w64-mingw32/include/SDL2/close_code.h
index 2a352dbb9ec7502c62b561f30bd7433b18e581d1..b3b70a4c833d80305bbffd306c8ac099babdf419 100644
--- a/libs/SDL2/i686-w64-mingw32/include/SDL2/close_code.h
+++ b/libs/SDL2/i686-w64-mingw32/include/SDL2/close_code.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/i686-w64-mingw32/lib/cmake/SDL2/sdl2-config.cmake b/libs/SDL2/i686-w64-mingw32/lib/cmake/SDL2/sdl2-config.cmake
index 208b7c637f7d711afa4a076e04374cacc7abd1af..ee347fcb9bbafc54f19abc1bd9dac7bfcfbb57e1 100644
--- a/libs/SDL2/i686-w64-mingw32/lib/cmake/SDL2/sdl2-config.cmake
+++ b/libs/SDL2/i686-w64-mingw32/lib/cmake/SDL2/sdl2-config.cmake
@@ -1,11 +1,11 @@
 # sdl2 cmake project-config input for ./configure scripts
 
-set(prefix "/usr/local/i686-w64-mingw32") 
+set(prefix "/opt/local/i686-w64-mingw32") 
 set(exec_prefix "${prefix}")
 set(libdir "${exec_prefix}/lib")
-set(SDL2_PREFIX "/usr/local/i686-w64-mingw32")
-set(SDL2_EXEC_PREFIX "/usr/local/i686-w64-mingw32")
+set(SDL2_PREFIX "/opt/local/i686-w64-mingw32")
+set(SDL2_EXEC_PREFIX "/opt/local/i686-w64-mingw32")
 set(SDL2_LIBDIR "${exec_prefix}/lib")
 set(SDL2_INCLUDE_DIRS "${prefix}/include/SDL2")
-set(SDL2_LIBRARIES "-L${SDL2_LIBDIR}  -lmingw32 -lSDL2main -lSDL2  -mwindows")
+set(SDL2_LIBRARIES "-L${SDL2_LIBDIR}  -lmingw32 -lSDL2main -lSDL2 -mwindows")
 string(STRIP "${SDL2_LIBRARIES}" SDL2_LIBRARIES)
diff --git a/libs/SDL2/i686-w64-mingw32/lib/libSDL2.a b/libs/SDL2/i686-w64-mingw32/lib/libSDL2.a
index 771ee00bdb5b07b4e3d44b3b281f439f784abd23..05489a95a2b41c45ee9036080891ae5bfbf43f8b 100644
Binary files a/libs/SDL2/i686-w64-mingw32/lib/libSDL2.a and b/libs/SDL2/i686-w64-mingw32/lib/libSDL2.a differ
diff --git a/libs/SDL2/i686-w64-mingw32/lib/libSDL2.dll.a b/libs/SDL2/i686-w64-mingw32/lib/libSDL2.dll.a
index 59d480738003a4f95de26aa1dbb45185d9a2ee42..b20371a131abe0dbb63bbebe22e48e7c57d8b611 100755
Binary files a/libs/SDL2/i686-w64-mingw32/lib/libSDL2.dll.a and b/libs/SDL2/i686-w64-mingw32/lib/libSDL2.dll.a differ
diff --git a/libs/SDL2/i686-w64-mingw32/lib/libSDL2.la b/libs/SDL2/i686-w64-mingw32/lib/libSDL2.la
new file mode 100644
index 0000000000000000000000000000000000000000..3848c7db9b285b53d6b47f26d37e916b71ff2145
--- /dev/null
+++ b/libs/SDL2/i686-w64-mingw32/lib/libSDL2.la
@@ -0,0 +1,41 @@
+# libSDL2.la - a libtool library file
+# Generated by libtool (GNU libtool) 2.4.2
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# The name that we can dlopen(3).
+dlname='../bin/SDL2.dll'
+
+# Names of this library.
+library_names='libSDL2.dll.a'
+
+# The name of the static archive.
+old_library='libSDL2.a'
+
+# Linker flags that can not go in dependency_libs.
+inherited_linker_flags=''
+
+# Libraries that this one depends upon.
+dependency_libs=' -ldinput8 -ldxguid -ldxerr8 -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lsetupapi -lversion -luuid'
+
+# Names of additional weak libraries provided by this library
+weak_library_names=''
+
+# Version information for libSDL2.
+current=9
+age=9
+revision=0
+
+# Is this an already installed library?
+installed=yes
+
+# Should we warn about portability when linking against -modules?
+shouldnotlink=no
+
+# Files to dlopen/dlpreopen
+dlopen=''
+dlpreopen=''
+
+# Directory that this library needs to be installed in:
+libdir='/Users/valve/release/SDL/SDL2-2.0.9/i686-w64-mingw32/lib'
diff --git a/libs/SDL2/i686-w64-mingw32/lib/libSDL2_test.a b/libs/SDL2/i686-w64-mingw32/lib/libSDL2_test.a
index 5f2cfa28f6442bb2d17a57febb97b13e027189a7..190f9e0728d3d281de92cbd305313f5c62fb3388 100644
Binary files a/libs/SDL2/i686-w64-mingw32/lib/libSDL2_test.a and b/libs/SDL2/i686-w64-mingw32/lib/libSDL2_test.a differ
diff --git a/libs/SDL2/i686-w64-mingw32/lib/libSDL2_test.la b/libs/SDL2/i686-w64-mingw32/lib/libSDL2_test.la
new file mode 100644
index 0000000000000000000000000000000000000000..5f96235bdbe06f364f89aa9146c3b399cb6b330b
--- /dev/null
+++ b/libs/SDL2/i686-w64-mingw32/lib/libSDL2_test.la
@@ -0,0 +1,41 @@
+# libSDL2_test.la - a libtool library file
+# Generated by libtool (GNU libtool) 2.4.2
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# The name that we can dlopen(3).
+dlname=''
+
+# Names of this library.
+library_names=''
+
+# The name of the static archive.
+old_library='libSDL2_test.a'
+
+# Linker flags that can not go in dependency_libs.
+inherited_linker_flags=''
+
+# Libraries that this one depends upon.
+dependency_libs=''
+
+# Names of additional weak libraries provided by this library
+weak_library_names=''
+
+# Version information for libSDL2_test.
+current=0
+age=0
+revision=0
+
+# Is this an already installed library?
+installed=yes
+
+# Should we warn about portability when linking against -modules?
+shouldnotlink=no
+
+# Files to dlopen/dlpreopen
+dlopen=''
+dlpreopen=''
+
+# Directory that this library needs to be installed in:
+libdir='/Users/valve/release/SDL/SDL2-2.0.9/i686-w64-mingw32/lib'
diff --git a/libs/SDL2/i686-w64-mingw32/lib/libSDL2main.a b/libs/SDL2/i686-w64-mingw32/lib/libSDL2main.a
index 9dddabbfcb8d76cac50bded6b9bdf2e6c5bff0fe..df7c95b95ea3a7595d4ccc18eeaabe16dce0f4e7 100644
Binary files a/libs/SDL2/i686-w64-mingw32/lib/libSDL2main.a and b/libs/SDL2/i686-w64-mingw32/lib/libSDL2main.a differ
diff --git a/libs/SDL2/i686-w64-mingw32/lib/libSDL2main.la b/libs/SDL2/i686-w64-mingw32/lib/libSDL2main.la
new file mode 100644
index 0000000000000000000000000000000000000000..d01b8a1724d3a32f2791b44c0cfa39ee7238928b
--- /dev/null
+++ b/libs/SDL2/i686-w64-mingw32/lib/libSDL2main.la
@@ -0,0 +1,41 @@
+# libSDL2main.la - a libtool library file
+# Generated by libtool (GNU libtool) 2.4.2
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# The name that we can dlopen(3).
+dlname=''
+
+# Names of this library.
+library_names=''
+
+# The name of the static archive.
+old_library='libSDL2main.a'
+
+# Linker flags that can not go in dependency_libs.
+inherited_linker_flags=''
+
+# Libraries that this one depends upon.
+dependency_libs=''
+
+# Names of additional weak libraries provided by this library
+weak_library_names=''
+
+# Version information for libSDL2main.
+current=0
+age=0
+revision=0
+
+# Is this an already installed library?
+installed=yes
+
+# Should we warn about portability when linking against -modules?
+shouldnotlink=no
+
+# Files to dlopen/dlpreopen
+dlopen=''
+dlpreopen=''
+
+# Directory that this library needs to be installed in:
+libdir='/Users/valve/release/SDL/SDL2-2.0.9/i686-w64-mingw32/lib'
diff --git a/libs/SDL2/i686-w64-mingw32/lib/pkgconfig/sdl2.pc b/libs/SDL2/i686-w64-mingw32/lib/pkgconfig/sdl2.pc
index 407c95c48f15c6e7579544527cfdfe4a8af25e20..25fc5928ed6be962f6ba000aee947d6aa8e97c74 100644
--- a/libs/SDL2/i686-w64-mingw32/lib/pkgconfig/sdl2.pc
+++ b/libs/SDL2/i686-w64-mingw32/lib/pkgconfig/sdl2.pc
@@ -1,15 +1,15 @@
 # sdl pkg-config source file
 
-prefix=/usr/local/i686-w64-mingw32
+prefix=/opt/local/i686-w64-mingw32
 exec_prefix=${prefix}
 libdir=${exec_prefix}/lib
 includedir=${prefix}/include
 
 Name: sdl2
 Description: Simple DirectMedia Layer is a cross-platform multimedia library designed to provide low level access to audio, keyboard, mouse, joystick, 3D hardware via OpenGL, and 2D video framebuffer.
-Version: 2.0.7
+Version: 2.0.9
 Requires:
 Conflicts:
-Libs: -L${libdir}  -lmingw32 -lSDL2main -lSDL2  -mwindows
-Libs.private: -lmingw32 -lSDL2main -lSDL2  -mwindows  -Wl,--no-undefined -lm -ldinput8 -ldxguid -ldxerr8 -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion -luuid -static-libgcc
+Libs: -L${libdir}  -lmingw32 -lSDL2main -lSDL2 -mwindows
+Libs.private: -lmingw32 -lSDL2main -lSDL2 -mwindows  -Wl,--no-undefined -lm -ldinput8 -ldxguid -ldxerr8 -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lsetupapi -lversion -luuid -static-libgcc
 Cflags: -I${includedir}/SDL2  -Dmain=SDL_main
diff --git a/libs/SDL2/include/SDL.h b/libs/SDL2/include/SDL.h
old mode 100755
new mode 100644
index 366d50fa39095f0185247d490b31753351ef887c..fc35a419efd9076076aca339303a2937d5e6ada7
--- a/libs/SDL2/include/SDL.h
+++ b/libs/SDL2/include/SDL.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -51,6 +51,7 @@
 #include "SDL_power.h"
 #include "SDL_render.h"
 #include "SDL_rwops.h"
+#include "SDL_sensor.h"
 #include "SDL_shape.h"
 #include "SDL_system.h"
 #include "SDL_thread.h"
@@ -80,10 +81,11 @@ extern "C" {
 #define SDL_INIT_HAPTIC         0x00001000u
 #define SDL_INIT_GAMECONTROLLER 0x00002000u  /**< SDL_INIT_GAMECONTROLLER implies SDL_INIT_JOYSTICK */
 #define SDL_INIT_EVENTS         0x00004000u
+#define SDL_INIT_SENSOR         0x00008000u
 #define SDL_INIT_NOPARACHUTE    0x00100000u  /**< compatibility; this flag is ignored. */
 #define SDL_INIT_EVERYTHING ( \
                 SDL_INIT_TIMER | SDL_INIT_AUDIO | SDL_INIT_VIDEO | SDL_INIT_EVENTS | \
-                SDL_INIT_JOYSTICK | SDL_INIT_HAPTIC | SDL_INIT_GAMECONTROLLER \
+                SDL_INIT_JOYSTICK | SDL_INIT_HAPTIC | SDL_INIT_GAMECONTROLLER | SDL_INIT_SENSOR \
             )
 /* @} */
 
diff --git a/libs/SDL2/include/SDL_assert.h b/libs/SDL2/include/SDL_assert.h
old mode 100755
new mode 100644
index 90abbe39b6f1e5bd7e0bfa3d54b00954efe06e9a..b38f928ae14bb68e916bae1048a4c8648a1a20d8
--- a/libs/SDL2/include/SDL_assert.h
+++ b/libs/SDL2/include/SDL_assert.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_atomic.h b/libs/SDL2/include/SDL_atomic.h
old mode 100755
new mode 100644
index 36e37f3b786840231bf87fddf563c695037c7fc5..b2287748c8f87973ef2aef5093812c0065b89725
--- a/libs/SDL2/include/SDL_atomic.h
+++ b/libs/SDL2/include/SDL_atomic.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -158,6 +158,9 @@ extern DECLSPEC void SDLCALL SDL_MemoryBarrierAcquireFunction(void);
 #if defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))
 #define SDL_MemoryBarrierRelease()   __asm__ __volatile__ ("lwsync" : : : "memory")
 #define SDL_MemoryBarrierAcquire()   __asm__ __volatile__ ("lwsync" : : : "memory")
+#elif defined(__GNUC__) && defined(__aarch64__)
+#define SDL_MemoryBarrierRelease()   __asm__ __volatile__ ("dmb ish" : : : "memory")
+#define SDL_MemoryBarrierAcquire()   __asm__ __volatile__ ("dmb ish" : : : "memory")
 #elif defined(__GNUC__) && defined(__arm__)
 #if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7EM__) || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7S__)
 #define SDL_MemoryBarrierRelease()   __asm__ __volatile__ ("dmb ish" : : : "memory")
diff --git a/libs/SDL2/include/SDL_audio.h b/libs/SDL2/include/SDL_audio.h
old mode 100755
new mode 100644
index f119c2b2678fc531efe1d3ecc8b1f1751169de53..d3e1bface4d406c3d6c1c3f141a36a3fce8e926b
--- a/libs/SDL2/include/SDL_audio.h
+++ b/libs/SDL2/include/SDL_audio.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -140,7 +140,8 @@ typedef Uint16 SDL_AudioFormat;
 #define SDL_AUDIO_ALLOW_FREQUENCY_CHANGE    0x00000001
 #define SDL_AUDIO_ALLOW_FORMAT_CHANGE       0x00000002
 #define SDL_AUDIO_ALLOW_CHANNELS_CHANGE     0x00000004
-#define SDL_AUDIO_ALLOW_ANY_CHANGE          (SDL_AUDIO_ALLOW_FREQUENCY_CHANGE|SDL_AUDIO_ALLOW_FORMAT_CHANGE|SDL_AUDIO_ALLOW_CHANNELS_CHANGE)
+#define SDL_AUDIO_ALLOW_SAMPLES_CHANGE      0x00000008
+#define SDL_AUDIO_ALLOW_ANY_CHANGE          (SDL_AUDIO_ALLOW_FREQUENCY_CHANGE|SDL_AUDIO_ALLOW_FORMAT_CHANGE|SDL_AUDIO_ALLOW_CHANNELS_CHANGE|SDL_AUDIO_ALLOW_SAMPLES_CHANGE)
 /* @} */
 
 /* @} *//* Audio flags */
@@ -527,7 +528,7 @@ extern DECLSPEC SDL_AudioStream * SDLCALL SDL_NewAudioStream(const SDL_AudioForm
  *
  *  \param stream The stream the audio data is being added to
  *  \param buf A pointer to the audio data to add
- *  \param int The number of bytes to write to the stream
+ *  \param len The number of bytes to write to the stream
  *  \return 0 on success, or -1 on error.
  *
  *  \sa SDL_NewAudioStream
diff --git a/libs/SDL2/include/SDL_bits.h b/libs/SDL2/include/SDL_bits.h
old mode 100755
new mode 100644
index bc28572902181c1edf67998fe3800c0269b4c451..eb8322f0d0a181b364871c28df42010ead3f17b1
--- a/libs/SDL2/include/SDL_bits.h
+++ b/libs/SDL2/include/SDL_bits.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_blendmode.h b/libs/SDL2/include/SDL_blendmode.h
old mode 100755
new mode 100644
index 9abd0bd4cf11c6d4d9931a20f21db32e2af0cdc6..36a5ea76f0c52c4364cb5f156cdf7252c0441ecc
--- a/libs/SDL2/include/SDL_blendmode.h
+++ b/libs/SDL2/include/SDL_blendmode.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_clipboard.h b/libs/SDL2/include/SDL_clipboard.h
old mode 100755
new mode 100644
index 341f4ba42b17e2025a5a27ecaa3925e3f618c1ad..f28751ebb8ffe5c67f17ccab94f2a55165fea4c8
--- a/libs/SDL2/include/SDL_clipboard.h
+++ b/libs/SDL2/include/SDL_clipboard.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_config.h b/libs/SDL2/include/SDL_config.h
old mode 100755
new mode 100644
index 1bbb83848142162b87676b35e03d964d5bec56dd..c58be8e72ee0dbb9e73f94be9d8c2c595aa630e5
--- a/libs/SDL2/include/SDL_config.h
+++ b/libs/SDL2/include/SDL_config.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -82,6 +82,9 @@ typedef unsigned int uintptr_t;
 #define HAVE_DSOUND_H 1
 #define HAVE_DXGI_H 1
 #define HAVE_XINPUT_H 1
+#define HAVE_MMDEVICEAPI_H 1
+#define HAVE_AUDIOCLIENT_H 1
+#define HAVE_ENDPOINTVOLUME_H 1
 
 /* This is disabled by default to avoid C runtime dependencies and manifest requirements */
 #ifdef HAVE_LIBC
@@ -109,13 +112,15 @@ typedef unsigned int uintptr_t;
 #define HAVE_MEMCMP 1
 #define HAVE_STRLEN 1
 #define HAVE__STRREV 1
-#define HAVE__STRUPR 1
-#define HAVE__STRLWR 1
+/* These functions have security warnings, so we won't use them */
+/* #undef HAVE__STRUPR */
+/* #undef HAVE__STRLWR */
 #define HAVE_STRCHR 1
 #define HAVE_STRRCHR 1
 #define HAVE_STRSTR 1
-#define HAVE__LTOA 1
-#define HAVE__ULTOA 1
+/* These functions have security warnings, so we won't use them */
+/* #undef HAVE__LTOA */
+/* #undef HAVE__ULTOA */
 #define HAVE_STRTOL 1
 #define HAVE_STRTOUL 1
 #define HAVE_STRTOD 1
@@ -125,30 +130,45 @@ typedef unsigned int uintptr_t;
 #define HAVE_STRNCMP 1
 #define HAVE__STRICMP 1
 #define HAVE__STRNICMP 1
-#define HAVE_ATAN 1
-#define HAVE_ATAN2 1
-#define HAVE_ACOS  1
-#define HAVE_ASIN  1
-#define HAVE_CEIL 1
-#define HAVE_COS 1
-#define HAVE_COSF 1
-#define HAVE_FABS 1
-#define HAVE_FLOOR 1
-#define HAVE_LOG 1
-#define HAVE_POW 1
-#define HAVE_SIN 1
-#define HAVE_SINF 1
-#define HAVE_SQRT 1
-#define HAVE_SQRTF 1
-#define HAVE_TAN 1
-#define HAVE_TANF 1
-#define HAVE__COPYSIGN 1
+#define HAVE_ACOS   1
+#define HAVE_ACOSF  1
+#define HAVE_ASIN   1
+#define HAVE_ASINF  1
+#define HAVE_ATAN   1
+#define HAVE_ATANF  1
+#define HAVE_ATAN2  1
+#define HAVE_ATAN2F 1
+#define HAVE_CEILF  1
+#define HAVE__COPYSIGN  1
+#define HAVE_COS    1
+#define HAVE_COSF   1
+#define HAVE_EXP    1
+#define HAVE_EXPF   1
+#define HAVE_FABS   1
+#define HAVE_FABSF  1
+#define HAVE_FLOOR  1
+#define HAVE_FLOORF 1
+#define HAVE_FMOD   1
+#define HAVE_FMODF  1
+#define HAVE_LOG    1
+#define HAVE_LOGF   1
+#define HAVE_LOG10  1
+#define HAVE_LOG10F 1
+#define HAVE_POW    1
+#define HAVE_POWF   1
+#define HAVE_SIN    1
+#define HAVE_SINF   1
+#define HAVE_SQRT   1
+#define HAVE_SQRTF  1
+#define HAVE_TAN    1
+#define HAVE_TANF   1
 #if defined(_MSC_VER)
 /* These functions were added with the VC++ 2013 C runtime library */
 #if _MSC_VER >= 1800
 #define HAVE_STRTOLL 1
 #define HAVE_VSSCANF 1
 #define HAVE_SCALBN 1
+#define HAVE_SCALBNF    1
 #endif
 /* This function is available with at least the VC++ 2008 C runtime library */
 #if _MSC_VER >= 1400
@@ -166,7 +186,6 @@ typedef unsigned int uintptr_t;
 /* Enable various audio drivers */
 #define SDL_AUDIO_DRIVER_WASAPI 1
 #define SDL_AUDIO_DRIVER_DSOUND 1
-#define SDL_AUDIO_DRIVER_XAUDIO2    0
 #define SDL_AUDIO_DRIVER_WINMM  1
 #define SDL_AUDIO_DRIVER_DISK   1
 #define SDL_AUDIO_DRIVER_DUMMY  1
@@ -174,9 +193,13 @@ typedef unsigned int uintptr_t;
 /* Enable various input drivers */
 #define SDL_JOYSTICK_DINPUT 1
 #define SDL_JOYSTICK_XINPUT 1
+#define SDL_JOYSTICK_HIDAPI 1
 #define SDL_HAPTIC_DINPUT   1
 #define SDL_HAPTIC_XINPUT   1
 
+/* Enable the dummy sensor driver */
+#define SDL_SENSOR_DUMMY  1
+
 /* Enable various shared object loading systems */
 #define SDL_LOADSO_WINDOWS  1
 
@@ -194,7 +217,7 @@ typedef unsigned int uintptr_t;
 #define SDL_VIDEO_RENDER_D3D    1
 #endif
 #ifndef SDL_VIDEO_RENDER_D3D11
-#define SDL_VIDEO_RENDER_D3D11	0
+#define SDL_VIDEO_RENDER_D3D11  0
 #endif
 
 /* Enable OpenGL support */
diff --git a/libs/SDL2/include/SDL_config.h.cmake b/libs/SDL2/include/SDL_config.h.cmake
old mode 100755
new mode 100644
diff --git a/libs/SDL2/include/SDL_config.h.in b/libs/SDL2/include/SDL_config.h.in
old mode 100755
new mode 100644
diff --git a/libs/SDL2/include/SDL_config_android.h b/libs/SDL2/include/SDL_config_android.h
old mode 100755
new mode 100644
diff --git a/libs/SDL2/include/SDL_config_iphoneos.h b/libs/SDL2/include/SDL_config_iphoneos.h
old mode 100755
new mode 100644
diff --git a/libs/SDL2/include/SDL_config_macosx.h b/libs/SDL2/include/SDL_config_macosx.h
old mode 100755
new mode 100644
diff --git a/libs/SDL2/include/SDL_config_macosx.h.orig b/libs/SDL2/include/SDL_config_macosx.h.orig
old mode 100755
new mode 100644
diff --git a/libs/SDL2/include/SDL_config_minimal.h b/libs/SDL2/include/SDL_config_minimal.h
old mode 100755
new mode 100644
diff --git a/libs/SDL2/include/SDL_config_pandora.h b/libs/SDL2/include/SDL_config_pandora.h
old mode 100755
new mode 100644
diff --git a/libs/SDL2/include/SDL_config_psp.h b/libs/SDL2/include/SDL_config_psp.h
old mode 100755
new mode 100644
diff --git a/libs/SDL2/include/SDL_config_windows.h b/libs/SDL2/include/SDL_config_windows.h
old mode 100755
new mode 100644
diff --git a/libs/SDL2/include/SDL_config_winrt.h b/libs/SDL2/include/SDL_config_winrt.h
old mode 100755
new mode 100644
diff --git a/libs/SDL2/include/SDL_config_wiz.h b/libs/SDL2/include/SDL_config_wiz.h
old mode 100755
new mode 100644
diff --git a/libs/SDL2/include/SDL_copying.h b/libs/SDL2/include/SDL_copying.h
old mode 100755
new mode 100644
diff --git a/libs/SDL2/include/SDL_cpuinfo.h b/libs/SDL2/include/SDL_cpuinfo.h
old mode 100755
new mode 100644
index 94b64b03bc5dd394af7f2ccfc5968fb1c0e9dfc5..ee3a47e841242fdae7e697f6b5de18a2a47c1ecf
--- a/libs/SDL2/include/SDL_cpuinfo.h
+++ b/libs/SDL2/include/SDL_cpuinfo.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -51,27 +51,35 @@
 #include <intrin.h>
 #else
 #ifdef __ALTIVEC__
-#if HAVE_ALTIVEC_H && !defined(__APPLE_ALTIVEC__)
+#if defined(HAVE_ALTIVEC_H) && !defined(__APPLE_ALTIVEC__) && !defined(SDL_DISABLE_ALTIVEC_H)
 #include <altivec.h>
 #undef pixel
+#undef bool
 #endif
 #endif
-#ifdef __MMX__
-#include <mmintrin.h>
+#if defined(__ARM_NEON__) && !defined(SDL_DISABLE_ARM_NEON_H)
+#include <arm_neon.h>
 #endif
-#ifdef __3dNOW__
+#if defined(__3dNOW__) && !defined(SDL_DISABLE_MM3DNOW_H)
 #include <mm3dnow.h>
 #endif
-#ifdef __SSE__
+#if defined(HAVE_IMMINTRIN_H) && !defined(SDL_DISABLE_IMMINTRIN_H)
+#include <immintrin.h>
+#else
+#if defined(__MMX__) && !defined(SDL_DISABLE_MMINTRIN_H)
+#include <mmintrin.h>
+#endif
+#if defined(__SSE__) && !defined(SDL_DISABLE_XMMINTRIN_H)
 #include <xmmintrin.h>
 #endif
-#ifdef __SSE2__
+#if defined(__SSE2__) && !defined(SDL_DISABLE_EMMINTRIN_H)
 #include <emmintrin.h>
 #endif
-#ifdef __SSE3__
+#if defined(__SSE3__) && !defined(SDL_DISABLE_PMMINTRIN_H)
 #include <pmmintrin.h>
 #endif
-#endif
+#endif /* HAVE_IMMINTRIN_H */
+#endif /* compiler version */
 
 #include "begin_code.h"
 /* Set up for C function definitions, even when using C++ */
@@ -154,6 +162,11 @@ extern DECLSPEC SDL_bool SDLCALL SDL_HasAVX(void);
  */
 extern DECLSPEC SDL_bool SDLCALL SDL_HasAVX2(void);
 
+/**
+ *  This function returns true if the CPU has AVX-512F (foundation) features.
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_HasAVX512F(void);
+
 /**
  *  This function returns true if the CPU has NEON (ARM SIMD) features.
  */
@@ -164,7 +177,6 @@ extern DECLSPEC SDL_bool SDLCALL SDL_HasNEON(void);
  */
 extern DECLSPEC int SDLCALL SDL_GetSystemRAM(void);
 
-
 /* Ends C function definitions when using C++ */
 #ifdef __cplusplus
 }
diff --git a/libs/SDL2/include/SDL_egl.h b/libs/SDL2/include/SDL_egl.h
old mode 100755
new mode 100644
index e47fbe8624700058a55aff35c8cd39081a19695f..d65ed437c33fe307657aca04f192de87e0ff55e9
--- a/libs/SDL2/include/SDL_egl.h
+++ b/libs/SDL2/include/SDL_egl.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -24,7 +24,7 @@
  *
  *  This is a simple file to encapsulate the EGL API headers.
  */
-#ifndef _MSC_VER
+#if !defined(_MSC_VER) && !defined(__ANDROID__)
 
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
diff --git a/libs/SDL2/include/SDL_endian.h b/libs/SDL2/include/SDL_endian.h
old mode 100755
new mode 100644
index 3eda7f2871144111f5cdfb24e0d57dd988c440c4..ed0bf5ba8f94888115422d06601ff4200119a9e6
--- a/libs/SDL2/include/SDL_endian.h
+++ b/libs/SDL2/include/SDL_endian.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_error.h b/libs/SDL2/include/SDL_error.h
old mode 100755
new mode 100644
index 49be9827e182ae56227e8dde300b7e8c03f8cfb8..c0e46298e8ffdbc6cf6abc4381a7ba9e2dcf1a33
--- a/libs/SDL2/include/SDL_error.h
+++ b/libs/SDL2/include/SDL_error.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_events.h b/libs/SDL2/include/SDL_events.h
old mode 100755
new mode 100644
index 0fc09bc37d795c8b5a4c34bebf9c78134a4c499f..af22eb6466661378e252d090b1504471f74833a8
--- a/libs/SDL2/include/SDL_events.h
+++ b/libs/SDL2/include/SDL_events.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -85,6 +85,9 @@ typedef enum
                                      Called on Android in onResume()
                                 */
 
+    /* Display events */
+    SDL_DISPLAYEVENT   = 0x150,  /**< Display state change */
+
     /* Window events */
     SDL_WINDOWEVENT    = 0x200, /**< Window state change */
     SDL_SYSWMEVENT,             /**< System specific event */
@@ -144,6 +147,9 @@ typedef enum
     SDL_AUDIODEVICEADDED = 0x1100, /**< A new audio device is available */
     SDL_AUDIODEVICEREMOVED,        /**< An audio device has been removed. */
 
+    /* Sensor events */
+    SDL_SENSORUPDATE = 0x1200,     /**< A sensor was updated */
+
     /* Render events */
     SDL_RENDER_TARGETS_RESET = 0x2000, /**< The render targets have been reset and their contents need to be updated */
     SDL_RENDER_DEVICE_RESET, /**< The device has been reset and all textures need to be recreated */
@@ -168,6 +174,21 @@ typedef struct SDL_CommonEvent
     Uint32 timestamp;   /**< In milliseconds, populated using SDL_GetTicks() */
 } SDL_CommonEvent;
 
+/**
+ *  \brief Display state change event data (event.display.*)
+ */
+typedef struct SDL_DisplayEvent
+{
+    Uint32 type;        /**< ::SDL_DISPLAYEVENT */
+    Uint32 timestamp;   /**< In milliseconds, populated using SDL_GetTicks() */
+    Uint32 display;     /**< The associated display index */
+    Uint8 event;        /**< ::SDL_DisplayEventID */
+    Uint8 padding1;
+    Uint8 padding2;
+    Uint8 padding3;
+    Sint32 data1;       /**< event dependent data */
+} SDL_DisplayEvent;
+
 /**
  *  \brief Window state change event data (event.window.*)
  */
@@ -471,6 +492,17 @@ typedef struct SDL_DropEvent
 } SDL_DropEvent;
 
 
+/**
+ *  \brief Sensor event structure (event.sensor.*)
+ */
+typedef struct SDL_SensorEvent
+{
+    Uint32 type;        /**< ::SDL_SENSORUPDATE */
+    Uint32 timestamp;   /**< In milliseconds, populated using SDL_GetTicks() */
+    Sint32 which;       /**< The instance ID of the sensor */
+    float data[6];      /**< Up to 6 values from the sensor - additional values can be queried using SDL_SensorGetData() */
+} SDL_SensorEvent;
+
 /**
  *  \brief The "quit requested" event
  */
@@ -526,6 +558,7 @@ typedef union SDL_Event
 {
     Uint32 type;                    /**< Event type, shared with all events */
     SDL_CommonEvent common;         /**< Common event data */
+    SDL_DisplayEvent display;       /**< Window event data */
     SDL_WindowEvent window;         /**< Window event data */
     SDL_KeyboardEvent key;          /**< Keyboard event data */
     SDL_TextEditingEvent edit;      /**< Text editing event data */
@@ -542,6 +575,7 @@ typedef union SDL_Event
     SDL_ControllerButtonEvent cbutton;  /**< Game Controller button event data */
     SDL_ControllerDeviceEvent cdevice;  /**< Game Controller device event data */
     SDL_AudioDeviceEvent adevice;   /**< Audio device event data */
+    SDL_SensorEvent sensor;         /**< Sensor event data */
     SDL_QuitEvent quit;             /**< Quit request event data */
     SDL_UserEvent user;             /**< Custom event data */
     SDL_SysWMEvent syswm;           /**< System dependent window event data */
diff --git a/libs/SDL2/include/SDL_filesystem.h b/libs/SDL2/include/SDL_filesystem.h
old mode 100755
new mode 100644
index a1c846ad0f07b71a61a60c147c709c2dc6e2c15f..fa6a1fa6e7b2ad4b9e341f6cf71c4e7fca925586
--- a/libs/SDL2/include/SDL_filesystem.h
+++ b/libs/SDL2/include/SDL_filesystem.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_gamecontroller.h b/libs/SDL2/include/SDL_gamecontroller.h
old mode 100755
new mode 100644
index c9215132ef50a7f214b7b4bf248d6fc73c3ff3f4..6ae9c95428907172257a93dfd6074865891f6571
--- a/libs/SDL2/include/SDL_gamecontroller.h
+++ b/libs/SDL2/include/SDL_gamecontroller.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -175,6 +175,14 @@ extern DECLSPEC SDL_bool SDLCALL SDL_IsGameController(int joystick_index);
  */
 extern DECLSPEC const char *SDLCALL SDL_GameControllerNameForIndex(int joystick_index);
 
+/**
+ *  Get the mapping of a game controller.
+ *  This can be called before any controllers are opened.
+ *
+ *  \return the mapping string.  Must be freed with SDL_free().  Returns NULL if no mapping is available
+ */
+extern DECLSPEC char *SDLCALL SDL_GameControllerMappingForDeviceIndex(int joystick_index);
+
 /**
  *  Open a game controller for use.
  *  The index passed as an argument refers to the N'th game controller on the system.
@@ -196,6 +204,13 @@ extern DECLSPEC SDL_GameController *SDLCALL SDL_GameControllerFromInstanceID(SDL
  */
 extern DECLSPEC const char *SDLCALL SDL_GameControllerName(SDL_GameController *gamecontroller);
 
+/**
+ *  Get the player index of an opened game controller, or -1 if it's not available
+ *
+ *  For XInput controllers this returns the XInput user index.
+ */
+extern DECLSPEC int SDLCALL SDL_GameControllerGetPlayerIndex(SDL_GameController *gamecontroller);
+
 /**
  *  Get the USB vendor ID of an opened controller, if available.
  *  If the vendor ID isn't available this function returns 0.
@@ -345,6 +360,19 @@ SDL_GameControllerGetBindForButton(SDL_GameController *gamecontroller,
 extern DECLSPEC Uint8 SDLCALL SDL_GameControllerGetButton(SDL_GameController *gamecontroller,
                                                           SDL_GameControllerButton button);
 
+/**
+ *  Trigger a rumble effect
+ *  Each call to this function cancels any previous rumble effect, and calling it with 0 intensity stops any rumbling.
+ *
+ *  \param gamecontroller The controller to vibrate
+ *  \param low_frequency_rumble The intensity of the low frequency (left) rumble motor, from 0 to 0xFFFF
+ *  \param high_frequency_rumble The intensity of the high frequency (right) rumble motor, from 0 to 0xFFFF
+ *  \param duration_ms The duration of the rumble effect, in milliseconds
+ *
+ *  \return 0, or -1 if rumble isn't supported on this joystick
+ */
+extern DECLSPEC int SDLCALL SDL_GameControllerRumble(SDL_GameController *gamecontroller, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms);
+
 /**
  *  Close a controller previously opened with SDL_GameControllerOpen().
  */
diff --git a/libs/SDL2/include/SDL_gesture.h b/libs/SDL2/include/SDL_gesture.h
old mode 100755
new mode 100644
index 2bba6a7294fa93240d5f6eefbd8d16c5773761ea..b223d80d44c3debd2de55420aaf1e907d1a08919
--- a/libs/SDL2/include/SDL_gesture.h
+++ b/libs/SDL2/include/SDL_gesture.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_haptic.h b/libs/SDL2/include/SDL_haptic.h
old mode 100755
new mode 100644
index 60daefaa709bbbc0a1796bd9af6f9be073cacedd..2ea1bfc1602ee571b0ac3238b183117fcb20f25d
--- a/libs/SDL2/include/SDL_haptic.h
+++ b/libs/SDL2/include/SDL_haptic.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -117,6 +117,17 @@
 extern "C" {
 #endif /* __cplusplus */
 
+/* FIXME: For SDL 2.1, adjust all the magnitude variables to be Uint16 (0xFFFF).
+ *
+ * At the moment the magnitude variables are mixed between signed/unsigned, and
+ * it is also not made clear that ALL of those variables expect a max of 0x7FFF.
+ *
+ * Some platforms may have higher precision than that (Linux FF, Windows XInput)
+ * so we should fix the inconsistency in favor of higher possible precision,
+ * adjusting for platforms that use different scales.
+ * -flibit
+ */
+
 /**
  *  \typedef SDL_Haptic
  *
@@ -656,8 +667,8 @@ typedef struct SDL_HapticRamp
  * This struct is exclusively for the ::SDL_HAPTIC_LEFTRIGHT effect.
  *
  * The Left/Right effect is used to explicitly control the large and small
- * motors, commonly found in modern game controllers. One motor is high
- * frequency, the other is low frequency.
+ * motors, commonly found in modern game controllers. The small (right) motor
+ * is high frequency, and the large (left) motor is low frequency.
  *
  * \sa SDL_HAPTIC_LEFTRIGHT
  * \sa SDL_HapticEffect
@@ -668,7 +679,7 @@ typedef struct SDL_HapticLeftRight
     Uint16 type;            /**< ::SDL_HAPTIC_LEFTRIGHT */
 
     /* Replay */
-    Uint32 length;          /**< Duration of the effect. */
+    Uint32 length;          /**< Duration of the effect in milliseconds. */
 
     /* Rumble */
     Uint16 large_magnitude; /**< Control of the large controller motor. */
diff --git a/libs/SDL2/include/SDL_hints.h b/libs/SDL2/include/SDL_hints.h
old mode 100755
new mode 100644
index 007a4bee05c0dc4ef90b1d24e88eb1137cedc945..4ee72e97d66db40a703620a9d0a162a952de1498
--- a/libs/SDL2/include/SDL_hints.h
+++ b/libs/SDL2/include/SDL_hints.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -76,6 +76,7 @@ extern "C" {
  *    "opengl"
  *    "opengles2"
  *    "opengles"
+ *    "metal"
  *    "software"
  *
  *  The default varies by platform, but it's the first one in the list that
@@ -210,6 +211,18 @@ extern "C" {
  */
 #define SDL_HINT_VIDEO_X11_NET_WM_PING      "SDL_VIDEO_X11_NET_WM_PING"
 
+/**
+ * \brief A variable controlling whether the X11 _NET_WM_BYPASS_COMPOSITOR hint should be used.
+ * 
+ * This variable can be set to the following values:
+ * "0" - Disable _NET_WM_BYPASS_COMPOSITOR
+ * "1" - Enable _NET_WM_BYPASS_COMPOSITOR
+ * 
+ * By default SDL will use _NET_WM_BYPASS_COMPOSITOR
+ * 
+ */
+#define SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR "SDL_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR"
+
 /**
  *  \brief  A variable controlling whether the window frame and title bar are interactive when the cursor is hidden 
  *
@@ -249,6 +262,16 @@ extern "C" {
  */
 #define SDL_HINT_GRAB_KEYBOARD              "SDL_GRAB_KEYBOARD"
 
+/**
+ *  \brief  A variable setting the double click time, in milliseconds.
+ */
+#define SDL_HINT_MOUSE_DOUBLE_CLICK_TIME    "SDL_MOUSE_DOUBLE_CLICK_TIME"
+
+/**
+ *  \brief  A variable setting the double click radius, in pixels.
+ */
+#define SDL_HINT_MOUSE_DOUBLE_CLICK_RADIUS    "SDL_MOUSE_DOUBLE_CLICK_RADIUS"
+
 /**
  *  \brief  A variable setting the speed scale for mouse motion, in floating point, when the mouse is not in relative mode
  */
@@ -316,7 +339,7 @@ extern "C" {
 #define SDL_HINT_IDLE_TIMER_DISABLED "SDL_IOS_IDLE_TIMER_DISABLED"
 
 /**
- *  \brief  A variable controlling which orientations are allowed on iOS.
+ *  \brief  A variable controlling which orientations are allowed on iOS/Android.
  *
  *  In some circumstances it is necessary to be able to explicitly control
  *  which UI orientations are allowed.
@@ -354,17 +377,37 @@ extern "C" {
  */
 #define SDL_HINT_APPLE_TV_REMOTE_ALLOW_ROTATION "SDL_APPLE_TV_REMOTE_ALLOW_ROTATION"
 
+/**
+ * \brief  A variable controlling whether the home indicator bar on iPhone X
+ *         should be hidden.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - The indicator bar is not hidden (default for windowed applications)
+ *    "1"       - The indicator bar is hidden and is shown when the screen is touched (useful for movie playback applications)
+ *    "2"       - The indicator bar is dim and the first swipe makes it visible and the second swipe performs the "home" action (default for fullscreen applications)
+ */
+#define SDL_HINT_IOS_HIDE_HOME_INDICATOR "SDL_IOS_HIDE_HOME_INDICATOR"
+
 /**
  *  \brief  A variable controlling whether the Android / iOS built-in
- *  accelerometer should be listed as a joystick device, rather than listing
- *  actual joysticks only.
+ *  accelerometer should be listed as a joystick device.
  *
  *  This variable can be set to the following values:
- *    "0"       - List only real joysticks and accept input from them
- *    "1"       - List real joysticks along with the accelerometer as if it were a 3 axis joystick (the default).
+ *    "0"       - The accelerometer is not listed as a joystick
+ *    "1"       - The accelerometer is available as a 3 axis joystick (the default).
  */
 #define SDL_HINT_ACCELEROMETER_AS_JOYSTICK "SDL_ACCELEROMETER_AS_JOYSTICK"
 
+/**
+ *  \brief  A variable controlling whether the Android / tvOS remotes
+ *  should be listed as joystick devices, instead of sending keyboard events.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - Remotes send enter/escape/arrow key events
+ *    "1"       - Remotes are available as 2 axis, 2 button joysticks (the default).
+ */
+#define SDL_HINT_TV_REMOTE_AS_JOYSTICK "SDL_TV_REMOTE_AS_JOYSTICK"
+
 /**
  *  \brief  A variable that lets you disable the detection and use of Xinput gamepad devices
  *
@@ -432,6 +475,88 @@ extern "C" {
  */
 #define SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS "SDL_JOYSTICK_ALLOW_BACKGROUND_EVENTS"
 
+/**
+ *  \brief  A variable controlling whether the HIDAPI joystick drivers should be used.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - HIDAPI drivers are not used
+ *    "1"       - HIDAPI drivers are used (the default)
+ *
+ *  This variable is the default for all drivers, but can be overridden by the hints for specific drivers below.
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI "SDL_JOYSTICK_HIDAPI"
+
+/**
+ *  \brief  A variable controlling whether the HIDAPI driver for PS4 controllers should be used.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - HIDAPI driver is not used
+ *    "1"       - HIDAPI driver is used
+ *
+ *  The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_PS4 "SDL_JOYSTICK_HIDAPI_PS4"
+
+/**
+ *  \brief  A variable controlling whether extended input reports should be used for PS4 controllers when using the HIDAPI driver.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - extended reports are not enabled (the default)
+ *    "1"       - extended reports
+ *
+ *  Extended input reports allow rumble on Bluetooth PS4 controllers, but
+ *  break DirectInput handling for applications that don't use SDL.
+ *
+ *  Once extended reports are enabled, they can not be disabled without
+ *  power cycling the controller.
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_PS4_RUMBLE "SDL_JOYSTICK_HIDAPI_PS4_RUMBLE"
+
+/**
+ *  \brief  A variable controlling whether the HIDAPI driver for Steam Controllers should be used.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - HIDAPI driver is not used
+ *    "1"       - HIDAPI driver is used
+ *
+ *  The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_STEAM "SDL_JOYSTICK_HIDAPI_STEAM"
+
+/**
+ *  \brief  A variable controlling whether the HIDAPI driver for Nintendo Switch controllers should be used.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - HIDAPI driver is not used
+ *    "1"       - HIDAPI driver is used
+ *
+ *  The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_SWITCH "SDL_JOYSTICK_HIDAPI_SWITCH"
+
+/**
+ *  \brief  A variable controlling whether the HIDAPI driver for XBox controllers should be used.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - HIDAPI driver is not used
+ *    "1"       - HIDAPI driver is used
+ *
+ *  The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_XBOX   "SDL_JOYSTICK_HIDAPI_XBOX"
+
+/**
+ *  \brief  A variable that controls whether Steam Controllers should be exposed using the SDL joystick and game controller APIs
+ *
+ *  The variable can be set to the following values:
+ *    "0"       - Do not scan for Steam Controllers
+ *    "1"       - Scan for Steam Controllers (the default)
+ *
+ *  The default value is "1".  This hint must be set before initializing the joystick subsystem.
+ */
+#define SDL_HINT_ENABLE_STEAM_CONTROLLERS "SDL_ENABLE_STEAM_CONTROLLERS"
+
+
 /**
  *  \brief If set to "0" then never set the top most bit on a SDL Window, even if the video mode expects it.
  *      This is a debugging aid for developers and not expected to be used by end users. The default is "1"
@@ -494,6 +619,10 @@ extern "C" {
 *  This is specially useful if you build SDL against a non glibc libc library (such as musl) which
 *  provides a relatively small default thread stack size (a few kilobytes versus the default 8MB glibc uses).
 *  Support for this hint is currently available only in the pthread, Windows, and PSP backend.
+*
+*  Instead of this hint, in 2.0.9 and later, you can use
+*  SDL_CreateThreadWithStackSize(). This hint only works with the classic
+*  SDL_CreateThread().
 */
 #define SDL_HINT_THREAD_STACK_SIZE              "SDL_THREAD_STACK_SIZE"
 
@@ -719,6 +848,35 @@ extern "C" {
  */
 #define SDL_HINT_ANDROID_SEPARATE_MOUSE_AND_TOUCH "SDL_ANDROID_SEPARATE_MOUSE_AND_TOUCH"
 
+ /**
+ * \brief A variable to control whether we trap the Android back button to handle it manually.
+ *        This is necessary for the right mouse button to work on some Android devices, or
+ *        to be able to trap the back button for use in your code reliably.  If set to true,
+ *        the back button will show up as an SDL_KEYDOWN / SDL_KEYUP pair with a keycode of 
+ *        SDL_SCANCODE_AC_BACK.
+ *
+ * The variable can be set to the following values:
+ *   "0"       - Back button will be handled as usual for system. (default)
+ *   "1"       - Back button will be trapped, allowing you to handle the key press
+ *               manually.  (This will also let right mouse click work on systems 
+ *               where the right mouse button functions as back.)
+ *
+ * The value of this hint is used at runtime, so it can be changed at any time.
+ */
+#define SDL_HINT_ANDROID_TRAP_BACK_BUTTON "SDL_ANDROID_TRAP_BACK_BUTTON"
+
+ /**
+ * \brief A variable to control whether the return key on the soft keyboard
+ *        should hide the soft keyboard on Android and iOS.
+ *
+ * The variable can be set to the following values:
+ *   "0"       - The return key will be handled as a key event. This is the behaviour of SDL <= 2.0.3. (default)
+ *   "1"       - The return key will hide the keyboard.
+ *
+ * The value of this hint is used at runtime, so it can be changed at any time.
+ */
+#define SDL_HINT_RETURN_KEY_HIDES_IME "SDL_RETURN_KEY_HIDES_IME"
+
 /**
  *  \brief override the binding element for keyboard inputs for Emscripten builds
  *
@@ -752,7 +910,7 @@ extern "C" {
  *   "0"       - SDL will generate a window-close event when it sees Alt+F4.
  *   "1"       - SDL will only do normal key handling for Alt+F4.
  */
-#define SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4	"SDL_WINDOWS_NO_CLOSE_ON_ALT_F4"
+#define SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4 "SDL_WINDOWS_NO_CLOSE_ON_ALT_F4"
 
 /**
  *  \brief Prevent SDL from using version 4 of the bitmap header when saving BMPs.
@@ -797,6 +955,24 @@ extern "C" {
  */
 #define SDL_HINT_RPI_VIDEO_LAYER           "SDL_RPI_VIDEO_LAYER"
 
+/**
+ * \brief Tell the video driver that we only want a double buffer.
+ *
+ * By default, most lowlevel 2D APIs will use a triple buffer scheme that 
+ * wastes no CPU time on waiting for vsync after issuing a flip, but
+ * introduces a frame of latency. On the other hand, using a double buffer
+ * scheme instead is recommended for cases where low latency is an important
+ * factor because we save a whole frame of latency.
+ * We do so by waiting for vsync immediately after issuing a flip, usually just
+ * after eglSwapBuffers call in the backend's *_SwapWindow function.
+ *
+ * Since it's driver-specific, it's only supported where possible and
+ * implemented. Currently supported the following drivers:
+ * - KMSDRM (kmsdrm)
+ * - Raspberry Pi (raspberrypi)
+ */
+#define SDL_HINT_VIDEO_DOUBLE_BUFFER      "SDL_VIDEO_DOUBLE_BUFFER"
+
 /**
  *  \brief  A variable controlling what driver to use for OpenGL ES contexts.
  *
diff --git a/libs/SDL2/include/SDL_joystick.h b/libs/SDL2/include/SDL_joystick.h
old mode 100755
new mode 100644
index f598dc828dafa2751d3aba2286059a8298d79aa3..6e05a9c2056cf7134c22459066d253e80e9a4315
--- a/libs/SDL2/include/SDL_joystick.h
+++ b/libs/SDL2/include/SDL_joystick.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -97,10 +97,10 @@ typedef enum
 typedef enum
 {
     SDL_JOYSTICK_POWER_UNKNOWN = -1,
-    SDL_JOYSTICK_POWER_EMPTY,
-    SDL_JOYSTICK_POWER_LOW,
-    SDL_JOYSTICK_POWER_MEDIUM,
-    SDL_JOYSTICK_POWER_FULL,
+    SDL_JOYSTICK_POWER_EMPTY,   /* <= 5% */
+    SDL_JOYSTICK_POWER_LOW,     /* <= 20% */
+    SDL_JOYSTICK_POWER_MEDIUM,  /* <= 70% */
+    SDL_JOYSTICK_POWER_FULL,    /* <= 100% */
     SDL_JOYSTICK_POWER_WIRED,
     SDL_JOYSTICK_POWER_MAX
 } SDL_JoystickPowerLevel;
@@ -132,6 +132,12 @@ extern DECLSPEC int SDLCALL SDL_NumJoysticks(void);
  */
 extern DECLSPEC const char *SDLCALL SDL_JoystickNameForIndex(int device_index);
 
+/**
+ *  Get the player index of a joystick, or -1 if it's not available
+ *  This can be called before any joysticks are opened.
+ */
+extern DECLSPEC int SDLCALL SDL_JoystickGetDevicePlayerIndex(int device_index);
+
 /**
  *  Return the GUID for the joystick at this index
  *  This can be called before any joysticks are opened.
@@ -194,6 +200,13 @@ extern DECLSPEC SDL_Joystick *SDLCALL SDL_JoystickFromInstanceID(SDL_JoystickID
  */
 extern DECLSPEC const char *SDLCALL SDL_JoystickName(SDL_Joystick * joystick);
 
+/**
+ *  Get the player index of an opened joystick, or -1 if it's not available
+ *
+ *  For XInput controllers this returns the XInput user index.
+ */
+extern DECLSPEC int SDLCALL SDL_JoystickGetPlayerIndex(SDL_Joystick * joystick);
+
 /**
  *  Return the GUID for this opened joystick
  */
@@ -361,6 +374,19 @@ extern DECLSPEC int SDLCALL SDL_JoystickGetBall(SDL_Joystick * joystick,
 extern DECLSPEC Uint8 SDLCALL SDL_JoystickGetButton(SDL_Joystick * joystick,
                                                     int button);
 
+/**
+ *  Trigger a rumble effect
+ *  Each call to this function cancels any previous rumble effect, and calling it with 0 intensity stops any rumbling.
+ *
+ *  \param joystick The joystick to vibrate
+ *  \param low_frequency_rumble The intensity of the low frequency (left) rumble motor, from 0 to 0xFFFF
+ *  \param high_frequency_rumble The intensity of the high frequency (right) rumble motor, from 0 to 0xFFFF
+ *  \param duration_ms The duration of the rumble effect, in milliseconds
+ *
+ *  \return 0, or -1 if rumble isn't supported on this joystick
+ */
+extern DECLSPEC int SDLCALL SDL_JoystickRumble(SDL_Joystick * joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms);
+
 /**
  *  Close a joystick previously opened with SDL_JoystickOpen().
  */
diff --git a/libs/SDL2/include/SDL_keyboard.h b/libs/SDL2/include/SDL_keyboard.h
old mode 100755
new mode 100644
index e78ca469082c793a8190331c01766a3e3374a5ba..87482317161a6e05324bf5ab769743b1a385b436
--- a/libs/SDL2/include/SDL_keyboard.h
+++ b/libs/SDL2/include/SDL_keyboard.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_keycode.h b/libs/SDL2/include/SDL_keycode.h
old mode 100755
new mode 100644
index c41e45ff61b6959937f7f4e912cef24064b72e1f..d7d5b1dbcdefce3777ee48eddcc46853eba2e584
--- a/libs/SDL2/include/SDL_keycode.h
+++ b/libs/SDL2/include/SDL_keycode.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_loadso.h b/libs/SDL2/include/SDL_loadso.h
old mode 100755
new mode 100644
index 6ea256c6ae5813dc7b00c269101b4e866fbb5fcc..da56fb452779ee015da429caa8da746c985b0ee0
--- a/libs/SDL2/include/SDL_loadso.h
+++ b/libs/SDL2/include/SDL_loadso.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_log.h b/libs/SDL2/include/SDL_log.h
old mode 100755
new mode 100644
index 356d0e1cf7492f54d82e5829a6030587400869d1..e12b6588601712bd217578226f143941ff019cbb
--- a/libs/SDL2/include/SDL_log.h
+++ b/libs/SDL2/include/SDL_log.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_main.h b/libs/SDL2/include/SDL_main.h
old mode 100755
new mode 100644
index 2af32360f7be842213bca1253268d5198c768377..98558217fc23ea63118899e44a710b7ba934c720
--- a/libs/SDL2/include/SDL_main.h
+++ b/libs/SDL2/include/SDL_main.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -63,10 +63,13 @@
 /* On Android SDL provides a Java class in SDLActivity.java that is the
    main activity entry point.
 
-   See README-android.md for more details on extending that class.
+   See docs/README-android.md for more details on extending that class.
  */
 #define SDL_MAIN_NEEDED
 
+/* We need to export SDL_main so it can be launched from Java */
+#define SDLMAIN_DECLSPEC    DECLSPEC
+
 #elif defined(__NACL__)
 /* On NACL we use ppapi_simple to set up the application helper code,
    then wait for the first PSE_INSTANCE_DIDCHANGEVIEW event before 
@@ -85,6 +88,10 @@
 #define C_LINKAGE
 #endif /* __cplusplus */
 
+#ifndef SDLMAIN_DECLSPEC
+#define SDLMAIN_DECLSPEC
+#endif
+
 /**
  *  \file SDL_main.h
  *
@@ -107,7 +114,7 @@
 /**
  *  The prototype for the application's main() function
  */
-extern C_LINKAGE DECLSPEC int SDL_main(int argc, char *argv[]);
+extern C_LINKAGE SDLMAIN_DECLSPEC int SDL_main(int argc, char *argv[]);
 
 
 #include "begin_code.h"
diff --git a/libs/SDL2/include/SDL_messagebox.h b/libs/SDL2/include/SDL_messagebox.h
old mode 100755
new mode 100644
index c326d8f01098b147e1bff015fb8e355e37f00744..b7be59d88f50ad7686b794ca13cd66f29e7ef557
--- a/libs/SDL2/include/SDL_messagebox.h
+++ b/libs/SDL2/include/SDL_messagebox.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_mouse.h b/libs/SDL2/include/SDL_mouse.h
old mode 100755
new mode 100644
index 6001bd46c1e80270d85d18dd72025b0c17f2722a..d3c9f6156cba36ecff91929d7a7eda0784b4af69
--- a/libs/SDL2/include/SDL_mouse.h
+++ b/libs/SDL2/include/SDL_mouse.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_mutex.h b/libs/SDL2/include/SDL_mutex.h
old mode 100755
new mode 100644
index 0272379e55e16bb25a913f9b4e4ca11809af7b56..ba4247ced8176dd98396d552536bc4646faa7841
--- a/libs/SDL2/include/SDL_mutex.h
+++ b/libs/SDL2/include/SDL_mutex.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_name.h b/libs/SDL2/include/SDL_name.h
old mode 100755
new mode 100644
index 8095ed3ffd4df27fb77a15eebcd532536c3efc09..ecd863f4ca873b55249601228efc5fc578aa4fb1
--- a/libs/SDL2/include/SDL_name.h
+++ b/libs/SDL2/include/SDL_name.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_opengl.h b/libs/SDL2/include/SDL_opengl.h
old mode 100755
new mode 100644
index 314dd57eda395c3b9e7bcbaf2d3749b9aa01864d..253d9c93a96f875aa53a51a5a615d4d732d9926d
--- a/libs/SDL2/include/SDL_opengl.h
+++ b/libs/SDL2/include/SDL_opengl.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_opengl_glext.h b/libs/SDL2/include/SDL_opengl_glext.h
old mode 100755
new mode 100644
diff --git a/libs/SDL2/include/SDL_opengles.h b/libs/SDL2/include/SDL_opengles.h
old mode 100755
new mode 100644
index 800c593070a9ea28a1f01c1d2b84e0f15ad2b33c..18dd984b3ed21bf5fd3bbfcf1a8a34fe58dfca6f
--- a/libs/SDL2/include/SDL_opengles.h
+++ b/libs/SDL2/include/SDL_opengles.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_opengles2.h b/libs/SDL2/include/SDL_opengles2.h
old mode 100755
new mode 100644
index 102f2f3fa7075c34639c03109939460ab2e7c2cc..6ccecf216572b4c9514bded0fd0a1c54690e57d8
--- a/libs/SDL2/include/SDL_opengles2.h
+++ b/libs/SDL2/include/SDL_opengles2.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_opengles2_gl2.h b/libs/SDL2/include/SDL_opengles2_gl2.h
old mode 100755
new mode 100644
diff --git a/libs/SDL2/include/SDL_opengles2_gl2ext.h b/libs/SDL2/include/SDL_opengles2_gl2ext.h
old mode 100755
new mode 100644
diff --git a/libs/SDL2/include/SDL_opengles2_gl2platform.h b/libs/SDL2/include/SDL_opengles2_gl2platform.h
old mode 100755
new mode 100644
diff --git a/libs/SDL2/include/SDL_opengles2_khrplatform.h b/libs/SDL2/include/SDL_opengles2_khrplatform.h
old mode 100755
new mode 100644
diff --git a/libs/SDL2/include/SDL_pixels.h b/libs/SDL2/include/SDL_pixels.h
old mode 100755
new mode 100644
index 04246689f5957e5170ad6be433e089e2483ea85a..0b4364b185231109d61663b4acb50e60e1d8fa16
--- a/libs/SDL2/include/SDL_pixels.h
+++ b/libs/SDL2/include/SDL_pixels.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -287,7 +287,9 @@ enum
     SDL_PIXELFORMAT_NV12 =      /**< Planar mode: Y + U/V interleaved  (2 planes) */
         SDL_DEFINE_PIXELFOURCC('N', 'V', '1', '2'),
     SDL_PIXELFORMAT_NV21 =      /**< Planar mode: Y + V/U interleaved  (2 planes) */
-        SDL_DEFINE_PIXELFOURCC('N', 'V', '2', '1')
+        SDL_DEFINE_PIXELFOURCC('N', 'V', '2', '1'),
+    SDL_PIXELFORMAT_EXTERNAL_OES =      /**< Android video texture format */
+        SDL_DEFINE_PIXELFOURCC('O', 'E', 'S', ' ')
 };
 
 typedef struct SDL_Color
diff --git a/libs/SDL2/include/SDL_platform.h b/libs/SDL2/include/SDL_platform.h
old mode 100755
new mode 100644
index 9dde385fa67364dbcfcf22598e33961970c4348e..7dea4ce940fe02f1b233d15ec6a75c9452a0422c
--- a/libs/SDL2/include/SDL_platform.h
+++ b/libs/SDL2/include/SDL_platform.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -121,7 +121,12 @@
 #if defined(WIN32) || defined(_WIN32) || defined(__CYGWIN__) || defined(__MINGW32__)
 /* Try to find out if we're compiling for WinRT or non-WinRT */
 #if defined(_MSC_VER) && defined(__has_include)
-#define HAVE_WINAPIFAMILY_H __has_include(<winapifamily.h>)
+#if __has_include(<winapifamily.h>)
+#define HAVE_WINAPIFAMILY_H 1
+#else
+#define HAVE_WINAPIFAMILY_H 0
+#endif
+
 /* If _USING_V110_SDK71_ is defined it means we are using the Windows XP toolset. */
 #elif defined(_MSC_VER) && (_MSC_VER >= 1700 && !_USING_V110_SDK71_)    /* _MSC_VER == 1700 for Visual Studio 2012 */
 #define HAVE_WINAPIFAMILY_H 1
diff --git a/libs/SDL2/include/SDL_power.h b/libs/SDL2/include/SDL_power.h
old mode 100755
new mode 100644
index d48e8a3795dfd0d9f8a1cd9ad07ba1c54b1b0d7c..a4fe8a9359c247678ad56a47f8b8106fa465f4a9
--- a/libs/SDL2/include/SDL_power.h
+++ b/libs/SDL2/include/SDL_power.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_quit.h b/libs/SDL2/include/SDL_quit.h
old mode 100755
new mode 100644
index 9283c381050a4013097e533a1723c64bb6392938..fea56a8d88b6a0ac9e12807d693628f80991bc3e
--- a/libs/SDL2/include/SDL_quit.h
+++ b/libs/SDL2/include/SDL_quit.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_rect.h b/libs/SDL2/include/SDL_rect.h
old mode 100755
new mode 100644
index c4f6d74b339ddc7b71372221758dc229043362fd..543bb618694ea9d4b5383e71a7c35b666b9e754c
--- a/libs/SDL2/include/SDL_rect.h
+++ b/libs/SDL2/include/SDL_rect.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_render.h b/libs/SDL2/include/SDL_render.h
old mode 100755
new mode 100644
index ea6ef9ff645cef9e643162828ccb6b5173d1b732..d336192974f4cedab0497ad6ac60aaba19f3f389
--- a/libs/SDL2/include/SDL_render.h
+++ b/libs/SDL2/include/SDL_render.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -898,6 +898,27 @@ extern DECLSPEC int SDLCALL SDL_GL_BindTexture(SDL_Texture *texture, float *texw
  */
 extern DECLSPEC int SDLCALL SDL_GL_UnbindTexture(SDL_Texture *texture);
 
+/**
+ *  \brief Get the CAMetalLayer associated with the given Metal renderer
+ *
+ *  \param renderer The renderer to query
+ *
+ *  \return CAMetalLayer* on success, or NULL if the renderer isn't a Metal renderer
+ *
+ *  \sa SDL_RenderGetMetalCommandEncoder()
+ */
+extern DECLSPEC void *SDLCALL SDL_RenderGetMetalLayer(SDL_Renderer * renderer);
+
+/**
+ *  \brief Get the Metal command encoder for the current frame
+ *
+ *  \param renderer The renderer to query
+ *
+ *  \return id<MTLRenderCommandEncoder> on success, or NULL if the renderer isn't a Metal renderer
+ *
+ *  \sa SDL_RenderGetMetalLayer()
+ */
+extern DECLSPEC void *SDLCALL SDL_RenderGetMetalCommandEncoder(SDL_Renderer * renderer);
 
 /* Ends C function definitions when using C++ */
 #ifdef __cplusplus
diff --git a/libs/SDL2/include/SDL_revision.h b/libs/SDL2/include/SDL_revision.h
old mode 100755
new mode 100644
index 9376093ee76bd46fbb70196e87673cda9d53ccd6..92fbe67b132156d911795af5e14b335d15645c66
--- a/libs/SDL2/include/SDL_revision.h
+++ b/libs/SDL2/include/SDL_revision.h
@@ -1,2 +1,2 @@
-#define SDL_REVISION "hg-11645:2088cd828335"
-#define SDL_REVISION_NUMBER 11645
+#define SDL_REVISION "hg-12373:8feb5da6f2fb"
+#define SDL_REVISION_NUMBER 12373
diff --git a/libs/SDL2/include/SDL_rwops.h b/libs/SDL2/include/SDL_rwops.h
old mode 100755
new mode 100644
index 7f0cbdfd55d5fabdd8ff80fc5ec605a7dd70bc0c..0960699d4857bb302e9024e7263c89a725a9a276
--- a/libs/SDL2/include/SDL_rwops.h
+++ b/libs/SDL2/include/SDL_rwops.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_scancode.h b/libs/SDL2/include/SDL_scancode.h
old mode 100755
new mode 100644
index 1d55212048560455d110797913a3dde07416768c..63871aa3b10beed824756b430687a3e16d7ebe44
--- a/libs/SDL2/include/SDL_scancode.h
+++ b/libs/SDL2/include/SDL_scancode.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_sensor.h b/libs/SDL2/include/SDL_sensor.h
new file mode 100644
index 0000000000000000000000000000000000000000..ac163a8cd1be73201742fe56293ddc840653f706
--- /dev/null
+++ b/libs/SDL2/include/SDL_sensor.h
@@ -0,0 +1,251 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+/**
+ *  \file SDL_sensor.h
+ *
+ *  Include file for SDL sensor event handling
+ *
+ */
+
+#ifndef _SDL_sensor_h
+#define _SDL_sensor_h
+
+#include "SDL_stdinc.h"
+#include "SDL_error.h"
+
+#include "begin_code.h"
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+/* *INDENT-OFF* */
+extern "C" {
+/* *INDENT-ON* */
+#endif
+
+/**
+ *  \brief SDL_sensor.h
+ *
+ *  In order to use these functions, SDL_Init() must have been called
+ *  with the ::SDL_INIT_SENSOR flag.  This causes SDL to scan the system
+ *  for sensors, and load appropriate drivers.
+ */
+
+struct _SDL_Sensor;
+typedef struct _SDL_Sensor SDL_Sensor;
+
+/**
+ * This is a unique ID for a sensor for the time it is connected to the system,
+ * and is never reused for the lifetime of the application.
+ *
+ * The ID value starts at 0 and increments from there. The value -1 is an invalid ID.
+ */
+typedef Sint32 SDL_SensorID;
+
+/* The different sensors defined by SDL
+ *
+ * Additional sensors may be available, using platform dependent semantics.
+ *
+ * Hare are the additional Android sensors:
+ * https://developer.android.com/reference/android/hardware/SensorEvent.html#values
+ */
+typedef enum
+{
+    SDL_SENSOR_INVALID = -1,    /**< Returned for an invalid sensor */
+    SDL_SENSOR_UNKNOWN,         /**< Unknown sensor type */
+    SDL_SENSOR_ACCEL,           /**< Accelerometer */
+    SDL_SENSOR_GYRO             /**< Gyroscope */
+} SDL_SensorType;
+
+/**
+ * Accelerometer sensor
+ *
+ * The accelerometer returns the current acceleration in SI meters per
+ * second squared. This includes gravity, so a device at rest will have
+ * an acceleration of SDL_STANDARD_GRAVITY straight down.
+ *
+ * values[0]: Acceleration on the x axis
+ * values[1]: Acceleration on the y axis
+ * values[2]: Acceleration on the z axis
+ *
+ * For phones held in portrait mode, the axes are defined as follows:
+ * -X ... +X : left ... right
+ * -Y ... +Y : bottom ... top
+ * -Z ... +Z : farther ... closer
+ * 
+ * The axis data is not changed when the phone is rotated.
+ *
+ * \sa SDL_GetDisplayOrientation()
+ */
+#define SDL_STANDARD_GRAVITY    9.80665f
+
+/**
+ * Gyroscope sensor
+ *
+ * The gyroscope returns the current rate of rotation in radians per second.
+ * The rotation is positive in the counter-clockwise direction. That is,
+ * an observer looking from a positive location on one of the axes would
+ * see positive rotation on that axis when it appeared to be rotating
+ * counter-clockwise.
+ *
+ * values[0]: Angular speed around the x axis
+ * values[1]: Angular speed around the y axis
+ * values[2]: Angular speed around the z axis
+ *
+ * For phones held in portrait mode, the axes are defined as follows:
+ * -X ... +X : left ... right
+ * -Y ... +Y : bottom ... top
+ * -Z ... +Z : farther ... closer
+ * 
+ * The axis data is not changed when the phone is rotated.
+ *
+ * \sa SDL_GetDisplayOrientation()
+ */
+
+/* Function prototypes */
+
+/**
+ *  \brief Count the number of sensors attached to the system right now
+ */
+extern DECLSPEC int SDLCALL SDL_NumSensors(void);
+
+/**
+ *  \brief Get the implementation dependent name of a sensor.
+ *
+ *  This can be called before any sensors are opened.
+ * 
+ *  \return The sensor name, or NULL if device_index is out of range.
+ */
+extern DECLSPEC const char *SDLCALL SDL_SensorGetDeviceName(int device_index);
+
+/**
+ *  \brief Get the type of a sensor.
+ *
+ *  This can be called before any sensors are opened.
+ *
+ *  \return The sensor type, or SDL_SENSOR_INVALID if device_index is out of range.
+ */
+extern DECLSPEC SDL_SensorType SDLCALL SDL_SensorGetDeviceType(int device_index);
+
+/**
+ *  \brief Get the platform dependent type of a sensor.
+ *
+ *  This can be called before any sensors are opened.
+ *
+ *  \return The sensor platform dependent type, or -1 if device_index is out of range.
+ */
+extern DECLSPEC int SDLCALL SDL_SensorGetDeviceNonPortableType(int device_index);
+
+/**
+ *  \brief Get the instance ID of a sensor.
+ *
+ *  This can be called before any sensors are opened.
+ *
+ *  \return The sensor instance ID, or -1 if device_index is out of range.
+ */
+extern DECLSPEC SDL_SensorID SDLCALL SDL_SensorGetDeviceInstanceID(int device_index);
+
+/**
+ *  \brief Open a sensor for use.
+ *
+ *  The index passed as an argument refers to the N'th sensor on the system.
+ *
+ *  \return A sensor identifier, or NULL if an error occurred.
+ */
+extern DECLSPEC SDL_Sensor *SDLCALL SDL_SensorOpen(int device_index);
+
+/**
+ * Return the SDL_Sensor associated with an instance id.
+ */
+extern DECLSPEC SDL_Sensor *SDLCALL SDL_SensorFromInstanceID(SDL_SensorID instance_id);
+
+/**
+ *  \brief Get the implementation dependent name of a sensor.
+ *
+ *  \return The sensor name, or NULL if the sensor is NULL.
+ */
+extern DECLSPEC const char *SDLCALL SDL_SensorGetName(SDL_Sensor *sensor);
+
+/**
+ *  \brief Get the type of a sensor.
+ *
+ *  This can be called before any sensors are opened.
+ *
+ *  \return The sensor type, or SDL_SENSOR_INVALID if the sensor is NULL.
+ */
+extern DECLSPEC SDL_SensorType SDLCALL SDL_SensorGetType(SDL_Sensor *sensor);
+
+/**
+ *  \brief Get the platform dependent type of a sensor.
+ *
+ *  This can be called before any sensors are opened.
+ *
+ *  \return The sensor platform dependent type, or -1 if the sensor is NULL.
+ */
+extern DECLSPEC int SDLCALL SDL_SensorGetNonPortableType(SDL_Sensor *sensor);
+
+/**
+ *  \brief Get the instance ID of a sensor.
+ *
+ *  This can be called before any sensors are opened.
+ *
+ *  \return The sensor instance ID, or -1 if the sensor is NULL.
+ */
+extern DECLSPEC SDL_SensorID SDLCALL SDL_SensorGetInstanceID(SDL_Sensor *sensor);
+
+/**
+ *  Get the current state of an opened sensor.
+ *
+ *  The number of values and interpretation of the data is sensor dependent.
+ *
+ *  \param sensor The sensor to query
+ *  \param data A pointer filled with the current sensor state
+ *  \param num_values The number of values to write to data
+ *
+ *  \return 0 or -1 if an error occurred.
+ */
+extern DECLSPEC int SDLCALL SDL_SensorGetData(SDL_Sensor * sensor, float *data, int num_values);
+
+/**
+ *  Close a sensor previously opened with SDL_SensorOpen()
+ */
+extern DECLSPEC void SDLCALL SDL_SensorClose(SDL_Sensor * sensor);
+
+/**
+ *  Update the current state of the open sensors.
+ *
+ *  This is called automatically by the event loop if sensor events are enabled.
+ *
+ *  This needs to be called from the thread that initialized the sensor subsystem.
+ */
+extern DECLSPEC void SDLCALL SDL_SensorUpdate(void);
+
+
+/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+/* *INDENT-OFF* */
+}
+/* *INDENT-ON* */
+#endif
+#include "close_code.h"
+
+#endif /* _SDL_sensor_h */
+
+/* vi: set ts=4 sw=4 expandtab: */
diff --git a/libs/SDL2/include/SDL_shape.h b/libs/SDL2/include/SDL_shape.h
old mode 100755
new mode 100644
index 9e492d93a4d1f6e42bcb2bbfec31fd71520cbaaa..40a6baaaec3d4d7e46c1da1fed54949123421035
--- a/libs/SDL2/include/SDL_shape.h
+++ b/libs/SDL2/include/SDL_shape.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_stdinc.h b/libs/SDL2/include/SDL_stdinc.h
old mode 100755
new mode 100644
index 72402299f2da1892dd2224bc436b1822007f9b51..e373bc380f68867e5638b8f6ea26521a66a906ee
--- a/libs/SDL2/include/SDL_stdinc.h
+++ b/libs/SDL2/include/SDL_stdinc.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -86,6 +86,28 @@
 #ifdef HAVE_FLOAT_H
 # include <float.h>
 #endif
+#if defined(HAVE_ALLOCA) && !defined(alloca)
+# if defined(HAVE_ALLOCA_H)
+#  include <alloca.h>
+# elif defined(__GNUC__)
+#  define alloca __builtin_alloca
+# elif defined(_MSC_VER)
+#  include <malloc.h>
+#  define alloca _alloca
+# elif defined(__WATCOMC__)
+#  include <malloc.h>
+# elif defined(__BORLANDC__)
+#  include <malloc.h>
+# elif defined(__DMC__)
+#  include <stdlib.h>
+# elif defined(__AIX__)
+#pragma alloca
+# elif defined(__MRC__)
+void *alloca(unsigned);
+# else
+char *alloca();
+# endif
+#endif
 
 /**
  *  The number of elements in an array.
@@ -328,28 +350,6 @@ SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int));
 extern "C" {
 #endif
 
-#if defined(HAVE_ALLOCA) && !defined(alloca)
-# if defined(HAVE_ALLOCA_H)
-#  include <alloca.h>
-# elif defined(__GNUC__)
-#  define alloca __builtin_alloca
-# elif defined(_MSC_VER)
-#  include <malloc.h>
-#  define alloca _alloca
-# elif defined(__WATCOMC__)
-#  include <malloc.h>
-# elif defined(__BORLANDC__)
-#  include <malloc.h>
-# elif defined(__DMC__)
-#  include <stdlib.h>
-# elif defined(__AIX__)
-#pragma alloca
-# elif defined(__MRC__)
-void *alloca(unsigned);
-# else
-char *alloca();
-# endif
-#endif
 #ifdef HAVE_ALLOCA
 #define SDL_stack_alloc(type, count)    (type*)alloca(sizeof(type)*(count))
 #define SDL_stack_free(data)
@@ -445,12 +445,12 @@ SDL_FORCE_INLINE void SDL_memset4(void *dst, Uint32 val, size_t dwords)
 #endif
 }
 
-
 extern DECLSPEC void *SDLCALL SDL_memcpy(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
 
 extern DECLSPEC void *SDLCALL SDL_memmove(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
 extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len);
 
+extern DECLSPEC wchar_t *SDLCALL SDL_wcsdup(const wchar_t *wstr);
 extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t *wstr);
 extern DECLSPEC size_t SDLCALL SDL_wcslcpy(SDL_OUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
 extern DECLSPEC size_t SDLCALL SDL_wcslcat(SDL_INOUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
@@ -501,18 +501,35 @@ extern DECLSPEC int SDLCALL SDL_vsnprintf(SDL_OUT_Z_CAP(maxlen) char *text, size
 #endif
 
 extern DECLSPEC double SDLCALL SDL_acos(double x);
+extern DECLSPEC float SDLCALL SDL_acosf(float x);
 extern DECLSPEC double SDLCALL SDL_asin(double x);
+extern DECLSPEC float SDLCALL SDL_asinf(float x);
 extern DECLSPEC double SDLCALL SDL_atan(double x);
+extern DECLSPEC float SDLCALL SDL_atanf(float x);
 extern DECLSPEC double SDLCALL SDL_atan2(double x, double y);
+extern DECLSPEC float SDLCALL SDL_atan2f(float x, float y);
 extern DECLSPEC double SDLCALL SDL_ceil(double x);
+extern DECLSPEC float SDLCALL SDL_ceilf(float x);
 extern DECLSPEC double SDLCALL SDL_copysign(double x, double y);
+extern DECLSPEC float SDLCALL SDL_copysignf(float x, float y);
 extern DECLSPEC double SDLCALL SDL_cos(double x);
 extern DECLSPEC float SDLCALL SDL_cosf(float x);
+extern DECLSPEC double SDLCALL SDL_exp(double x);
+extern DECLSPEC float SDLCALL SDL_expf(float x);
 extern DECLSPEC double SDLCALL SDL_fabs(double x);
+extern DECLSPEC float SDLCALL SDL_fabsf(float x);
 extern DECLSPEC double SDLCALL SDL_floor(double x);
+extern DECLSPEC float SDLCALL SDL_floorf(float x);
+extern DECLSPEC double SDLCALL SDL_fmod(double x, double y);
+extern DECLSPEC float SDLCALL SDL_fmodf(float x, float y);
 extern DECLSPEC double SDLCALL SDL_log(double x);
+extern DECLSPEC float SDLCALL SDL_logf(float x);
+extern DECLSPEC double SDLCALL SDL_log10(double x);
+extern DECLSPEC float SDLCALL SDL_log10f(float x);
 extern DECLSPEC double SDLCALL SDL_pow(double x, double y);
+extern DECLSPEC float SDLCALL SDL_powf(float x, float y);
 extern DECLSPEC double SDLCALL SDL_scalbn(double x, int n);
+extern DECLSPEC float SDLCALL SDL_scalbnf(float x, int n);
 extern DECLSPEC double SDLCALL SDL_sin(double x);
 extern DECLSPEC float SDLCALL SDL_sinf(float x);
 extern DECLSPEC double SDLCALL SDL_sqrt(double x);
diff --git a/libs/SDL2/include/SDL_surface.h b/libs/SDL2/include/SDL_surface.h
old mode 100755
new mode 100644
index 510690c9cffe37fa3153d547d87c9ed0089584c2..730d49fc805ec54d5725c7369db4578d194aa56a
--- a/libs/SDL2/include/SDL_surface.h
+++ b/libs/SDL2/include/SDL_surface.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -97,6 +97,17 @@ typedef struct SDL_Surface
 typedef int (SDLCALL *SDL_blit) (struct SDL_Surface * src, SDL_Rect * srcrect,
                                  struct SDL_Surface * dst, SDL_Rect * dstrect);
 
+/**
+ * \brief The formula used for converting between YUV and RGB
+ */
+typedef enum
+{
+    SDL_YUV_CONVERSION_JPEG,        /**< Full range JPEG */
+    SDL_YUV_CONVERSION_BT601,       /**< BT.601 (the default) */
+    SDL_YUV_CONVERSION_BT709,       /**< BT.709 */
+    SDL_YUV_CONVERSION_AUTOMATIC    /**< BT.601 for SD content, BT.709 for HD content */
+} SDL_YUV_CONVERSION_MODE;
+
 /**
  *  Allocate and free an RGB surface.
  *
@@ -237,6 +248,13 @@ extern DECLSPEC int SDLCALL SDL_SetSurfaceRLE(SDL_Surface * surface,
 extern DECLSPEC int SDLCALL SDL_SetColorKey(SDL_Surface * surface,
                                             int flag, Uint32 key);
 
+/**
+ *  \brief Returns whether the surface has a color key
+ *
+ *  \return SDL_TRUE if the surface has a color key, or SDL_FALSE if the surface is NULL or has no color key
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_HasColorKey(SDL_Surface * surface);
+
 /**
  *  \brief Gets the color key (transparent pixel) in a blittable surface.
  *
@@ -509,6 +527,20 @@ extern DECLSPEC int SDLCALL SDL_LowerBlitScaled
     (SDL_Surface * src, SDL_Rect * srcrect,
     SDL_Surface * dst, SDL_Rect * dstrect);
 
+/**
+ *  \brief Set the YUV conversion mode
+ */
+extern DECLSPEC void SDLCALL SDL_SetYUVConversionMode(SDL_YUV_CONVERSION_MODE mode);
+
+/**
+ *  \brief Get the YUV conversion mode
+ */
+extern DECLSPEC SDL_YUV_CONVERSION_MODE SDLCALL SDL_GetYUVConversionMode(void);
+
+/**
+ *  \brief Get the YUV conversion mode, returning the correct mode for the resolution when the current conversion mode is SDL_YUV_CONVERSION_AUTOMATIC
+ */
+extern DECLSPEC SDL_YUV_CONVERSION_MODE SDLCALL SDL_GetYUVConversionModeForResolution(int width, int height);
 
 /* Ends C function definitions when using C++ */
 #ifdef __cplusplus
diff --git a/libs/SDL2/include/SDL_system.h b/libs/SDL2/include/SDL_system.h
old mode 100755
new mode 100644
index eb069b33d8127f026de8b57b1869ccf3297f75e6..4dc372d6b14bb7fd49f64f716d1f9f29e3a15fbc
--- a/libs/SDL2/include/SDL_system.h
+++ b/libs/SDL2/include/SDL_system.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -76,6 +76,18 @@ extern DECLSPEC SDL_bool SDLCALL SDL_DXGIGetOutputInfo( int displayIndex, int *a
 #endif /* __WIN32__ */
 
 
+/* Platform specific functions for Linux */
+#ifdef __LINUX__
+
+/**
+   \brief Sets the UNIX nice value for a thread, using setpriority() if possible, and RealtimeKit if available.
+
+   \return 0 on success, or -1 on error.
+ */
+extern DECLSPEC int SDLCALL SDL_LinuxSetThreadPriority(Sint64 threadID, int priority);
+ 
+#endif /* __LINUX__ */
+	
 /* Platform specific functions for iOS */
 #if defined(__IPHONEOS__) && __IPHONEOS__
 
@@ -108,6 +120,26 @@ extern DECLSPEC void * SDLCALL SDL_AndroidGetJNIEnv(void);
  */
 extern DECLSPEC void * SDLCALL SDL_AndroidGetActivity(void);
 
+/**
+   \brief Return true if the application is running on Android TV
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_IsAndroidTV(void);
+
+/**
+   \brief Return true if the application is running on a Chromebook
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_IsChromebook(void);
+
+/**
+  \brief Return true is the application is running on a Samsung DeX docking station
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_IsDeXMode(void);
+
+/**
+ \brief Trigger the Android system back button behavior.
+ */
+extern DECLSPEC void SDLCALL SDL_AndroidBackButton(void);
+
 /**
    See the official Android developer guide for more information:
    http://developer.android.com/guide/topics/data/data-storage.html
@@ -169,6 +201,25 @@ typedef enum
 } SDL_WinRT_Path;
 
 
+/**
+ *  \brief WinRT Device Family
+ */
+typedef enum
+{
+    /** \brief Unknown family  */
+    SDL_WINRT_DEVICEFAMILY_UNKNOWN,
+
+    /** \brief Desktop family*/
+    SDL_WINRT_DEVICEFAMILY_DESKTOP,
+
+    /** \brief Mobile family (for example smartphone) */
+    SDL_WINRT_DEVICEFAMILY_MOBILE,
+
+    /** \brief XBox family */
+    SDL_WINRT_DEVICEFAMILY_XBOX,
+} SDL_WinRT_DeviceFamily;
+
+
 /**
  *  \brief Retrieves a WinRT defined path on the local file system
  *
@@ -203,8 +254,20 @@ extern DECLSPEC const wchar_t * SDLCALL SDL_WinRTGetFSPathUNICODE(SDL_WinRT_Path
  */
 extern DECLSPEC const char * SDLCALL SDL_WinRTGetFSPathUTF8(SDL_WinRT_Path pathType);
 
+/**
+ *  \brief Detects the device family of WinRT plattform on runtime
+ *
+ *  \return Device family
+ */
+extern DECLSPEC SDL_WinRT_DeviceFamily SDLCALL SDL_WinRTGetDeviceFamily();
+
 #endif /* __WINRT__ */
 
+/**
+ \brief Return true if the current device is a tablet.
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_IsTablet(void);
+
 /* Ends C function definitions when using C++ */
 #ifdef __cplusplus
 }
diff --git a/libs/SDL2/include/SDL_syswm.h b/libs/SDL2/include/SDL_syswm.h
old mode 100755
new mode 100644
index 2d18afb6cf90173ca289b53f74dad013a3440909..f1c4021cc8b37be22124d28a99733d1e696e71e6
--- a/libs/SDL2/include/SDL_syswm.h
+++ b/libs/SDL2/include/SDL_syswm.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -33,12 +33,6 @@
 #include "SDL_video.h"
 #include "SDL_version.h"
 
-#include "begin_code.h"
-/* Set up for C function definitions, even when using C++ */
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 /**
  *  \file SDL_syswm.h
  *
@@ -110,6 +104,12 @@ typedef void *EGLSurface;
 #include "SDL_egl.h"
 #endif
 
+#include "begin_code.h"
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /**
  *  These are the various supported windowing subsystems
  */
diff --git a/libs/SDL2/include/SDL_test.h b/libs/SDL2/include/SDL_test.h
old mode 100755
new mode 100644
index f55afcb02273929055de6bf3a8848c2025e3bda3..6cc373bf809ca34195c28d7ef465fffac49c0e89
--- a/libs/SDL2/include/SDL_test.h
+++ b/libs/SDL2/include/SDL_test.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_test_assert.h b/libs/SDL2/include/SDL_test_assert.h
old mode 100755
new mode 100644
index 11d8363942948261e7a2403c3556d7e45860ef8a..1788d7a206916e92ccc607c24d93805ec368c838
--- a/libs/SDL2/include/SDL_test_assert.h
+++ b/libs/SDL2/include/SDL_test_assert.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_test_common.h b/libs/SDL2/include/SDL_test_common.h
old mode 100755
new mode 100644
index 24eeb32af1b8731d95e28084a051b219480810be..be2e6b2aab48af89d8aab4986bd15bd0fc13bd68
--- a/libs/SDL2/include/SDL_test_common.h
+++ b/libs/SDL2/include/SDL_test_common.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_test_compare.h b/libs/SDL2/include/SDL_test_compare.h
old mode 100755
new mode 100644
index 9f4c4587ade92d8afe8d8102bd216db4458930e3..c22e447d8aee297971e6c51e4c1dd2fdb3a5cd52
--- a/libs/SDL2/include/SDL_test_compare.h
+++ b/libs/SDL2/include/SDL_test_compare.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_test_crc32.h b/libs/SDL2/include/SDL_test_crc32.h
old mode 100755
new mode 100644
index add480c349fd91512e3a3229f44858407529a106..3d235d07400f10b10297e533f7d74c2cf02bc394
--- a/libs/SDL2/include/SDL_test_crc32.h
+++ b/libs/SDL2/include/SDL_test_crc32.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_test_font.h b/libs/SDL2/include/SDL_test_font.h
old mode 100755
new mode 100644
index 58c9f9d5e5f3334e23df3bbcba45cc6483635f67..59cbdcad6bcb101764c689f915d8395866b6ea6a
--- a/libs/SDL2/include/SDL_test_font.h
+++ b/libs/SDL2/include/SDL_test_font.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_test_fuzzer.h b/libs/SDL2/include/SDL_test_fuzzer.h
old mode 100755
new mode 100644
index 6cf05747ad91914fe7155322876cd3ff6e2a28d6..8fcb9ebbfa1ba58da745c08e0eb0a322e00319c6
--- a/libs/SDL2/include/SDL_test_fuzzer.h
+++ b/libs/SDL2/include/SDL_test_fuzzer.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_test_harness.h b/libs/SDL2/include/SDL_test_harness.h
old mode 100755
new mode 100644
index 68c4bcb7c44ff1fb09722fa81be6fb5013917eef..8641e0a7e3ad9945ed5ec93813920017bcc06447
--- a/libs/SDL2/include/SDL_test_harness.h
+++ b/libs/SDL2/include/SDL_test_harness.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_test_images.h b/libs/SDL2/include/SDL_test_images.h
old mode 100755
new mode 100644
index 683d2f8a689e8d49b1c750493a6c04112a19b8e3..9c4dd5b82954fc21c15ff9027372ca3419c6252e
--- a/libs/SDL2/include/SDL_test_images.h
+++ b/libs/SDL2/include/SDL_test_images.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_test_log.h b/libs/SDL2/include/SDL_test_log.h
old mode 100755
new mode 100644
index 9f993fbbc880ded0f9c4c2dd81d838fb60753ed2..ebd44fb5021c3f4fc64dcab127780ab7da89ebd2
--- a/libs/SDL2/include/SDL_test_log.h
+++ b/libs/SDL2/include/SDL_test_log.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_test_md5.h b/libs/SDL2/include/SDL_test_md5.h
old mode 100755
new mode 100644
index 67ca7d1defbb70c02e83d43eef7f11ee6cbc81e5..0e4105768fdb6bd059ad867cb90d74637e28660c
--- a/libs/SDL2/include/SDL_test_md5.h
+++ b/libs/SDL2/include/SDL_test_md5.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_test_memory.h b/libs/SDL2/include/SDL_test_memory.h
old mode 100755
new mode 100644
index 43b67f521be347be755fa725dfd2bdd6b96f6c01..4827ae6f2c372db861a635ae9faa32637f152a18
--- a/libs/SDL2/include/SDL_test_memory.h
+++ b/libs/SDL2/include/SDL_test_memory.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_test_random.h b/libs/SDL2/include/SDL_test_random.h
old mode 100755
new mode 100644
index 2b01922c3ed5b82aace74bce3c661ce7c8b62782..0eb414ff2e4db2488ac5671f9d1a91048d0f3b34
--- a/libs/SDL2/include/SDL_test_random.h
+++ b/libs/SDL2/include/SDL_test_random.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_thread.h b/libs/SDL2/include/SDL_thread.h
old mode 100755
new mode 100644
index d0f6575cd5ac7562cb5dba1ca84b5e94b4a3f029..554dd0b61d02481d6f665dbde0799361b1967632
--- a/libs/SDL2/include/SDL_thread.h
+++ b/libs/SDL2/include/SDL_thread.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -54,12 +54,13 @@ typedef unsigned int SDL_TLSID;
 /**
  *  The SDL thread priority.
  *
- *  \note On many systems you require special privileges to set high priority.
+ *  \note On many systems you require special privileges to set high or time critical priority.
  */
 typedef enum {
     SDL_THREAD_PRIORITY_LOW,
     SDL_THREAD_PRIORITY_NORMAL,
-    SDL_THREAD_PRIORITY_HIGH
+    SDL_THREAD_PRIORITY_HIGH,
+    SDL_THREAD_PRIORITY_TIME_CRITICAL
 } SDL_ThreadPriority;
 
 /**
@@ -105,14 +106,24 @@ SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data,
                  pfnSDL_CurrentBeginThread pfnBeginThread,
                  pfnSDL_CurrentEndThread pfnEndThread);
 
+extern DECLSPEC SDL_Thread *SDLCALL
+SDL_CreateThreadWithStackSize(int (SDLCALL * fn) (void *),
+                 const char *name, const size_t stacksize, void *data,
+                 pfnSDL_CurrentBeginThread pfnBeginThread,
+                 pfnSDL_CurrentEndThread pfnEndThread);
+
+
 /**
  *  Create a thread.
  */
 #if defined(SDL_CreateThread) && SDL_DYNAMIC_API
 #undef SDL_CreateThread
 #define SDL_CreateThread(fn, name, data) SDL_CreateThread_REAL(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthreadex, (pfnSDL_CurrentEndThread)_endthreadex)
+#undef SDL_CreateThreadWithStackSize
+#define SDL_CreateThreadWithStackSize(fn, name, stacksize, data) SDL_CreateThreadWithStackSize_REAL(fn, name, stacksize, data, (pfnSDL_CurrentBeginThread)_beginthreadex, (pfnSDL_CurrentEndThread)_endthreadex)
 #else
 #define SDL_CreateThread(fn, name, data) SDL_CreateThread(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthreadex, (pfnSDL_CurrentEndThread)_endthreadex)
+#define SDL_CreateThreadWithStackSize(fn, name, stacksize, data) SDL_CreateThreadWithStackSize(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthreadex, (pfnSDL_CurrentEndThread)_endthreadex)
 #endif
 
 #elif defined(__OS2__)
@@ -132,15 +143,31 @@ extern DECLSPEC SDL_Thread *SDLCALL
 SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data,
                  pfnSDL_CurrentBeginThread pfnBeginThread,
                  pfnSDL_CurrentEndThread pfnEndThread);
+extern DECLSPEC SDL_Thread *SDLCALL
+SDL_CreateThreadWithStackSize(SDL_ThreadFunction fn, const char *name, const size_t stacksize, void *data,
+                 pfnSDL_CurrentBeginThread pfnBeginThread,
+                 pfnSDL_CurrentEndThread pfnEndThread);
 #if defined(SDL_CreateThread) && SDL_DYNAMIC_API
 #undef SDL_CreateThread
 #define SDL_CreateThread(fn, name, data) SDL_CreateThread_REAL(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthread, (pfnSDL_CurrentEndThread)_endthread)
+#undef SDL_CreateThreadWithStackSize
+#define SDL_CreateThreadWithStackSize(fn, name, stacksize, data) SDL_CreateThreadWithStackSize_REAL(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthread, (pfnSDL_CurrentEndThread)_endthread)
 #else
 #define SDL_CreateThread(fn, name, data) SDL_CreateThread(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthread, (pfnSDL_CurrentEndThread)_endthread)
+#define SDL_CreateThreadWithStackSize(fn, name, stacksize, data) SDL_CreateThreadWithStackSize(fn, name, stacksize, data, (pfnSDL_CurrentBeginThread)_beginthread, (pfnSDL_CurrentEndThread)_endthread)
 #endif
 
 #else
 
+/**
+ *  Create a thread with a default stack size.
+ *
+ *  This is equivalent to calling:
+ *  SDL_CreateThreadWithStackSize(fn, name, 0, data);
+ */
+extern DECLSPEC SDL_Thread *SDLCALL
+SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data);
+
 /**
  *  Create a thread.
  *
@@ -158,9 +185,17 @@ SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data,
  *   If a system imposes requirements, SDL will try to munge the string for
  *    it (truncate, etc), but the original string contents will be available
  *    from SDL_GetThreadName().
+ *
+ *   The size (in bytes) of the new stack can be specified. Zero means "use
+ *    the system default" which might be wildly different between platforms
+ *    (x86 Linux generally defaults to eight megabytes, an embedded device
+ *    might be a few kilobytes instead).
+ *
+ *   In SDL 2.1, stacksize will be folded into the original SDL_CreateThread
+ *    function.
  */
 extern DECLSPEC SDL_Thread *SDLCALL
-SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data);
+SDL_CreateThreadWithStackSize(SDL_ThreadFunction fn, const char *name, const size_t stacksize, void *data);
 
 #endif
 
diff --git a/libs/SDL2/include/SDL_timer.h b/libs/SDL2/include/SDL_timer.h
old mode 100755
new mode 100644
index 282625d3f0dc8dfe2b94fa48032d037cace0de3c..5600618ff4f8fbaacb2edf547ef8da1c182a0257
--- a/libs/SDL2/include/SDL_timer.h
+++ b/libs/SDL2/include/SDL_timer.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_touch.h b/libs/SDL2/include/SDL_touch.h
old mode 100755
new mode 100644
index db9e25ebdccad221a3c38bbce06b02bec65c3c2c..f4075e79a5b5dd486579aa374474e3927101abe1
--- a/libs/SDL2/include/SDL_touch.h
+++ b/libs/SDL2/include/SDL_touch.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_types.h b/libs/SDL2/include/SDL_types.h
old mode 100755
new mode 100644
index 06ee80cb358963b2fca3d8218a81595345e52671..4ac248c8c577f5150c8de8ad1b36df3bd4aea854
--- a/libs/SDL2/include/SDL_types.h
+++ b/libs/SDL2/include/SDL_types.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/SDL_version.h b/libs/SDL2/include/SDL_version.h
old mode 100755
new mode 100644
index 5b4c402486d6adb4e8ebaec3cfa4bee301e48e8b..31443e149adc071cba7431bc0cd47b007f1a0e22
--- a/libs/SDL2/include/SDL_version.h
+++ b/libs/SDL2/include/SDL_version.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -59,7 +59,7 @@ typedef struct SDL_version
 */
 #define SDL_MAJOR_VERSION   2
 #define SDL_MINOR_VERSION   0
-#define SDL_PATCHLEVEL      7
+#define SDL_PATCHLEVEL      9
 
 /**
  *  \brief Macro to determine SDL version program was compiled against.
diff --git a/libs/SDL2/include/SDL_video.h b/libs/SDL2/include/SDL_video.h
old mode 100755
new mode 100644
index 6f6cda8b182b22160d97c0d9d5e684290419d0b9..461f13805101c9214ef4bd9b6df3143c3f093692
--- a/libs/SDL2/include/SDL_video.h
+++ b/libs/SDL2/include/SDL_video.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -110,7 +110,9 @@ typedef enum
     SDL_WINDOW_MOUSE_FOCUS = 0x00000400,        /**< window has mouse focus */
     SDL_WINDOW_FULLSCREEN_DESKTOP = ( SDL_WINDOW_FULLSCREEN | 0x00001000 ),
     SDL_WINDOW_FOREIGN = 0x00000800,            /**< window not created by SDL */
-    SDL_WINDOW_ALLOW_HIGHDPI = 0x00002000,      /**< window should be created in high-DPI mode if supported */
+    SDL_WINDOW_ALLOW_HIGHDPI = 0x00002000,      /**< window should be created in high-DPI mode if supported.
+                                                     On macOS NSHighResolutionCapable must be set true in the
+                                                     application's Info.plist for this to have any effect. */
     SDL_WINDOW_MOUSE_CAPTURE = 0x00004000,      /**< window has mouse captured (unrelated to INPUT_GRABBED) */
     SDL_WINDOW_ALWAYS_ON_TOP = 0x00008000,      /**< window should always be above others */
     SDL_WINDOW_SKIP_TASKBAR  = 0x00010000,      /**< window should not be added to the taskbar */
@@ -167,6 +169,24 @@ typedef enum
     SDL_WINDOWEVENT_HIT_TEST        /**< Window had a hit test that wasn't SDL_HITTEST_NORMAL. */
 } SDL_WindowEventID;
 
+/**
+ *  \brief Event subtype for display events
+ */
+typedef enum
+{
+    SDL_DISPLAYEVENT_NONE,          /**< Never used */
+    SDL_DISPLAYEVENT_ORIENTATION    /**< Display orientation has changed to data1 */
+} SDL_DisplayEventID;
+
+typedef enum
+{
+    SDL_ORIENTATION_UNKNOWN,            /**< The display orientation can't be determined */
+    SDL_ORIENTATION_LANDSCAPE,          /**< The display is in landscape mode, with the right side up, relative to portrait mode */
+    SDL_ORIENTATION_LANDSCAPE_FLIPPED,  /**< The display is in landscape mode, with the left side up, relative to portrait mode */
+    SDL_ORIENTATION_PORTRAIT,           /**< The display is in portrait mode */
+    SDL_ORIENTATION_PORTRAIT_FLIPPED    /**< The display is in portrait mode, upside down */
+} SDL_DisplayOrientation;
+
 /**
  *  \brief An opaque handle to an OpenGL context.
  */
@@ -314,18 +334,6 @@ extern DECLSPEC const char * SDLCALL SDL_GetDisplayName(int displayIndex);
  */
 extern DECLSPEC int SDLCALL SDL_GetDisplayBounds(int displayIndex, SDL_Rect * rect);
 
-/**
- *  \brief Get the dots/pixels-per-inch for a display
- *
- *  \note Diagonal, horizontal and vertical DPI can all be optionally
- *        returned if the parameter is non-NULL.
- *
- *  \return 0 on success, or -1 if no DPI information is available or the index is out of range.
- *
- *  \sa SDL_GetNumVideoDisplays()
- */
-extern DECLSPEC int SDLCALL SDL_GetDisplayDPI(int displayIndex, float * ddpi, float * hdpi, float * vdpi);
-
 /**
  *  \brief Get the usable desktop area represented by a display, with the
  *         primary display located at 0,0
@@ -345,6 +353,27 @@ extern DECLSPEC int SDLCALL SDL_GetDisplayDPI(int displayIndex, float * ddpi, fl
  */
 extern DECLSPEC int SDLCALL SDL_GetDisplayUsableBounds(int displayIndex, SDL_Rect * rect);
 
+/**
+ *  \brief Get the dots/pixels-per-inch for a display
+ *
+ *  \note Diagonal, horizontal and vertical DPI can all be optionally
+ *        returned if the parameter is non-NULL.
+ *
+ *  \return 0 on success, or -1 if no DPI information is available or the index is out of range.
+ *
+ *  \sa SDL_GetNumVideoDisplays()
+ */
+extern DECLSPEC int SDLCALL SDL_GetDisplayDPI(int displayIndex, float * ddpi, float * hdpi, float * vdpi);
+
+/**
+ *  \brief Get the orientation of a display
+ *
+ *  \return The orientation of the display, or SDL_ORIENTATION_UNKNOWN if it isn't available.
+ *
+ *  \sa SDL_GetNumVideoDisplays()
+ */
+extern DECLSPEC SDL_DisplayOrientation SDLCALL SDL_GetDisplayOrientation(int displayIndex);
+
 /**
  *  \brief Returns the number of available display modes.
  *
@@ -470,7 +499,7 @@ extern DECLSPEC Uint32 SDLCALL SDL_GetWindowPixelFormat(SDL_Window * window);
  *  If the window is created with any of the SDL_WINDOW_OPENGL or
  *  SDL_WINDOW_VULKAN flags, then the corresponding LoadLibrary function
  *  (SDL_GL_LoadLibrary or SDL_Vulkan_LoadLibrary) is called and the
- *  corrensponding UnloadLibrary function is called by SDL_DestroyWindow().
+ *  corresponding UnloadLibrary function is called by SDL_DestroyWindow().
  *
  *  If SDL_WINDOW_VULKAN is specified and there isn't a working Vulkan driver,
  *  SDL_CreateWindow() will fail because SDL_Vulkan_LoadLibrary() will fail.
diff --git a/libs/SDL2/include/SDL_vulkan.h b/libs/SDL2/include/SDL_vulkan.h
old mode 100755
new mode 100644
index 803b5feef3489ba257ae3664cc93afc9f8fbcf1d..972cca4d7c2658f735d96d549ccd2a5819592b16
--- a/libs/SDL2/include/SDL_vulkan.h
+++ b/libs/SDL2/include/SDL_vulkan.h
@@ -69,30 +69,43 @@ typedef VkSurfaceKHR SDL_vulkanSurface; /* for compatibility with Tizen */
  *  \brief Dynamically load a Vulkan loader library.
  *
  *  \param [in] path The platform dependent Vulkan loader library name, or
- *              \c NULL to open the default Vulkan loader library.
+ *              \c NULL.
  *
  *  \return \c 0 on success, or \c -1 if the library couldn't be loaded.
  *
- *  This should be done after initializing the video driver, but before
+ *  If \a path is NULL SDL will use the value of the environment variable
+ *  \c SDL_VULKAN_LIBRARY, if set, otherwise it loads the default Vulkan
+ *  loader library.
+ *
+ *  This should be called after initializing the video driver, but before
  *  creating any Vulkan windows. If no Vulkan loader library is loaded, the
  *  default library will be loaded upon creation of the first Vulkan window.
  *
- *  \note If you specify a non-NULL \a path, you should retrieve all of the
- *        Vulkan functions used in your program from the dynamic library using
+ *  \note It is fairly common for Vulkan applications to link with \a libvulkan
+ *        instead of explicitly loading it at run time. This will work with
+ *        SDL provided the application links to a dynamic library and both it
+ *        and SDL use the same search path.
+ *
+ *  \note If you specify a non-NULL \c path, an application should retrieve all
+ *        of the Vulkan functions it uses from the dynamic library using
  *        \c SDL_Vulkan_GetVkGetInstanceProcAddr() unless you can guarantee
- *        \a path points to the same vulkan loader library that you linked to.
+ *        \c path points to the same vulkan loader library the application
+ *        linked to.
  *
  *  \note On Apple devices, if \a path is NULL, SDL will attempt to find
  *        the vkGetInstanceProcAddr address within all the mach-o images of
- *        the current process. This is because the currently (v0.17.0)
- *        recommended MoltenVK (Vulkan on Metal) usage is as a static library.
- *        If it is not found then SDL will attempt to load \c libMoltenVK.dylib.
- *        Applications using the dylib alternative therefore do not need to do
- *        anything special when calling SDL.
- *
- *  \note On non-Apple devices, SDL requires you to either not link to the
- *        Vulkan loader or link to a dynamic library version. This limitation
- *        may be removed in a future version of SDL.
+ *        the current process. This is because it is fairly common for Vulkan
+ *        applications to link with libvulkan (and historically MoltenVK was
+ *        provided as a static library). If it is not found then, on macOS, SDL
+ *        will attempt to load \c vulkan.framework/vulkan, \c libvulkan.1.dylib,
+ *        \c MoltenVK.framework/MoltenVK and \c libMoltenVK.dylib in that order.
+ *        On iOS SDL will attempt to load \c libMoltenVK.dylib. Applications
+ *        using a dynamic framework or .dylib must ensure it is included in its
+ *        application bundle.
+ *
+ *  \note On non-Apple devices, application linking with a static libvulkan is
+ *        not supported. Either do not link to the Vulkan loader or link to a
+ *        dynamic library version.
  *
  *  \note This function will fail if there are no working Vulkan drivers
  *        installed.
@@ -122,11 +135,11 @@ extern DECLSPEC void SDLCALL SDL_Vulkan_UnloadLibrary(void);
  *  \brief Get the names of the Vulkan instance extensions needed to create
  *         a surface with \c SDL_Vulkan_CreateSurface().
  *
- *  \param [in]     window Window for which the required Vulkan instance
+ *  \param [in]     \c NULL or window Window for which the required Vulkan instance
  *                  extensions should be retrieved
- *  \param [in,out] count pointer to an \c unsigned related to the number of
+ *  \param [in,out] pCount pointer to an \c unsigned related to the number of
  *                  required Vulkan instance extensions
- *  \param [out]    names \c NULL or a pointer to an array to be filled with the
+ *  \param [out]    pNames \c NULL or a pointer to an array to be filled with the
  *                  required Vulkan instance extensions
  *
  *  \return \c SDL_TRUE on success, \c SDL_FALSE on error.
@@ -140,6 +153,10 @@ extern DECLSPEC void SDLCALL SDL_Vulkan_UnloadLibrary(void);
  *  is smaller than the number of required extensions, \c SDL_FALSE will be
  *  returned instead of \c SDL_TRUE, to indicate that not all the required
  *  extensions were returned.
+ * 
+ *  \note If \c window is not NULL, it will be checked against its creation
+ *        flags to ensure that the Vulkan flag is present. This parameter
+ *        will be removed in a future major release.
  *
  *  \note The returned list of extensions will contain \c VK_KHR_surface
  *        and zero or more platform specific extensions
@@ -147,12 +164,13 @@ extern DECLSPEC void SDLCALL SDL_Vulkan_UnloadLibrary(void);
  *  \note The extension names queried here must be enabled when calling
  *        VkCreateInstance, otherwise surface creation will fail.
  *
- *  \note \c window should have been created with the \c SDL_WINDOW_VULKAN flag.
+ *  \note \c window should have been created with the \c SDL_WINDOW_VULKAN flag
+ *        or be \c NULL
  *
  *  \code
  *  unsigned int count;
  *  // get count of required extensions
- *  if(!SDL_Vulkan_GetInstanceExtensions(window, &count, NULL))
+ *  if(!SDL_Vulkan_GetInstanceExtensions(NULL, &count, NULL))
  *      handle_error();
  *
  *  static const char *const additionalExtensions[] =
@@ -166,7 +184,7 @@ extern DECLSPEC void SDLCALL SDL_Vulkan_UnloadLibrary(void);
  *      handle_error();
  *
  *  // get names of required extensions
- *  if(!SDL_Vulkan_GetInstanceExtensions(window, &count, names))
+ *  if(!SDL_Vulkan_GetInstanceExtensions(NULL, &count, names))
  *      handle_error();
  *
  *  // copy additional extensions after required extensions
@@ -240,6 +258,9 @@ extern DECLSPEC SDL_bool SDLCALL SDL_Vulkan_CreateSurface(
  * platform with high-DPI support (Apple calls this "Retina"), and not disabled
  * by the \c SDL_HINT_VIDEO_HIGHDPI_DISABLED hint.
  *
+ *  \note On macOS high-DPI support must be enabled for an application by
+ *        setting NSHighResolutionCapable to true in its Info.plist.
+ *
  *  \sa SDL_GetWindowSize()
  *  \sa SDL_CreateWindow()
  */
diff --git a/libs/SDL2/include/begin_code.h b/libs/SDL2/include/begin_code.h
old mode 100755
new mode 100644
index 5372d6f04df418acb02bf51cd545c2170bb73849..6c2106246f2583ba711451bc7e39fc2af7e9eec7
--- a/libs/SDL2/include/begin_code.h
+++ b/libs/SDL2/include/begin_code.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/include/close_code.h b/libs/SDL2/include/close_code.h
old mode 100755
new mode 100644
index 2a352dbb9ec7502c62b561f30bd7433b18e581d1..b3b70a4c833d80305bbffd306c8ac099babdf419
--- a/libs/SDL2/include/close_code.h
+++ b/libs/SDL2/include/close_code.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/lib/x64/SDL2.dll b/libs/SDL2/lib/x64/SDL2.dll
old mode 100755
new mode 100644
index 6776cdd891ea4479c662519a1667ddc08ca5a8ef..934f8091c7d59b5d479026cfab1ec45d9077fff1
Binary files a/libs/SDL2/lib/x64/SDL2.dll and b/libs/SDL2/lib/x64/SDL2.dll differ
diff --git a/libs/SDL2/lib/x64/SDL2.lib b/libs/SDL2/lib/x64/SDL2.lib
old mode 100755
new mode 100644
index 42e5ee7d0d205716ff111f3142617a81a0e8979b..f4941ae0e34edcfb71f31cdf289afeae0b3c2305
Binary files a/libs/SDL2/lib/x64/SDL2.lib and b/libs/SDL2/lib/x64/SDL2.lib differ
diff --git a/libs/SDL2/lib/x64/SDL2main.lib b/libs/SDL2/lib/x64/SDL2main.lib
old mode 100755
new mode 100644
index 1f409a2499d5306887d22041f9520cbb6c3a28f7..6129946574aa807aad3da264518444cc115f51f4
Binary files a/libs/SDL2/lib/x64/SDL2main.lib and b/libs/SDL2/lib/x64/SDL2main.lib differ
diff --git a/libs/SDL2/lib/x64/SDL2test.lib b/libs/SDL2/lib/x64/SDL2test.lib
old mode 100755
new mode 100644
index b54347ddc4cfbcdacf2110d9391ed9f60a47decf..5b0328280a7dffe20df128d6685f235b10d77459
Binary files a/libs/SDL2/lib/x64/SDL2test.lib and b/libs/SDL2/lib/x64/SDL2test.lib differ
diff --git a/libs/SDL2/lib/x86/SDL2.dll b/libs/SDL2/lib/x86/SDL2.dll
old mode 100755
new mode 100644
index c21f747c2f45540809ff1fd901e2bb607ead0fff..70177904476cc7ab959c84e08a92df76cd0d748c
Binary files a/libs/SDL2/lib/x86/SDL2.dll and b/libs/SDL2/lib/x86/SDL2.dll differ
diff --git a/libs/SDL2/lib/x86/SDL2.lib b/libs/SDL2/lib/x86/SDL2.lib
old mode 100755
new mode 100644
index a36fab5a3bed78ec4a6ad5903ab40c58054318b0..cef79017ce2858e313eac2c6fccda4e7014bd77e
Binary files a/libs/SDL2/lib/x86/SDL2.lib and b/libs/SDL2/lib/x86/SDL2.lib differ
diff --git a/libs/SDL2/lib/x86/SDL2main.lib b/libs/SDL2/lib/x86/SDL2main.lib
old mode 100755
new mode 100644
index 2080d5db5f3bec958f02a2c35c17ec69fad0dd6f..55c40c7a0757d13e7b178f76267b507c958b6626
Binary files a/libs/SDL2/lib/x86/SDL2main.lib and b/libs/SDL2/lib/x86/SDL2main.lib differ
diff --git a/libs/SDL2/lib/x86/SDL2test.lib b/libs/SDL2/lib/x86/SDL2test.lib
old mode 100755
new mode 100644
index c26c50f612086cf4ed28fe3288f6974567893f2a..d7a395ff1dd03a19bb4624e023c0856454e789e6
Binary files a/libs/SDL2/lib/x86/SDL2test.lib and b/libs/SDL2/lib/x86/SDL2test.lib differ
diff --git a/libs/SDL2/test/CMakeLists.txt b/libs/SDL2/test/CMakeLists.txt
new file mode 100644
index 0000000000000000000000000000000000000000..3c25c5c7c98790944cc22c408cec58152544b0e6
--- /dev/null
+++ b/libs/SDL2/test/CMakeLists.txt
@@ -0,0 +1,122 @@
+cmake_minimum_required(VERSION 2.8.11)
+project(SDL2 C)
+
+# Global settings for all of the test targets
+# FIXME: is this wrong?
+remove_definitions(-DUSING_GENERATED_CONFIG_H)
+link_libraries(SDL2_test SDL2-static)
+
+# FIXME: Parent directory CMakeLists.txt only sets these for mingw/cygwin,
+# but we need them for VS as well.
+if(WINDOWS)
+    link_libraries(SDL2main)
+    add_definitions(-Dmain=SDL_main)
+endif()
+
+add_executable(checkkeys checkkeys.c)
+add_executable(loopwave loopwave.c)
+add_executable(loopwavequeue loopwavequeue.c)
+add_executable(testresample testresample.c)
+add_executable(testaudioinfo testaudioinfo.c)
+
+file(GLOB TESTAUTOMATION_SOURCE_FILES testautomation*.c)
+add_executable(testautomation ${TESTAUTOMATION_SOURCE_FILES})
+
+add_executable(testmultiaudio testmultiaudio.c)
+add_executable(testaudiohotplug testaudiohotplug.c)
+add_executable(testaudiocapture testaudiocapture.c)
+add_executable(testatomic testatomic.c)
+add_executable(testintersections testintersections.c)
+add_executable(testrelative testrelative.c)
+add_executable(testhittesting testhittesting.c)
+add_executable(testdraw2 testdraw2.c)
+add_executable(testdrawchessboard testdrawchessboard.c)
+add_executable(testdropfile testdropfile.c)
+add_executable(testerror testerror.c)
+add_executable(testfile testfile.c)
+add_executable(testgamecontroller testgamecontroller.c)
+add_executable(testgesture testgesture.c)
+add_executable(testgl2 testgl2.c)
+add_executable(testgles testgles.c)
+add_executable(testgles2 testgles2.c)
+add_executable(testhaptic testhaptic.c)
+add_executable(testhotplug testhotplug.c)
+add_executable(testrumble testrumble.c)
+add_executable(testthread testthread.c)
+add_executable(testiconv testiconv.c)
+add_executable(testime testime.c)
+add_executable(testjoystick testjoystick.c)
+add_executable(testkeys testkeys.c)
+add_executable(testloadso testloadso.c)
+add_executable(testlock testlock.c)
+
+if(APPLE)
+    add_executable(testnative testnative.c
+                              testnativecocoa.m
+                              testnativex11.c)
+elseif(WINDOWS)
+    add_executable(testnative testnative.c testnativew32.c)
+elseif(UNIX)
+    add_executable(testnative testnative.c testnativex11.c)
+endif()
+
+add_executable(testoverlay2 testoverlay2.c testyuv_cvt.c)
+add_executable(testplatform testplatform.c)
+add_executable(testpower testpower.c)
+add_executable(testfilesystem testfilesystem.c)
+add_executable(testrendertarget testrendertarget.c)
+add_executable(testscale testscale.c)
+add_executable(testsem testsem.c)
+add_executable(testshader testshader.c)
+add_executable(testshape testshape.c)
+add_executable(testsprite2 testsprite2.c)
+add_executable(testspriteminimal testspriteminimal.c)
+add_executable(teststreaming teststreaming.c)
+add_executable(testtimer testtimer.c)
+add_executable(testver testver.c)
+add_executable(testviewport testviewport.c)
+add_executable(testwm2 testwm2.c)
+add_executable(testyuv testyuv.c testyuv_cvt.c)
+add_executable(torturethread torturethread.c)
+add_executable(testrendercopyex testrendercopyex.c)
+add_executable(testmessage testmessage.c)
+add_executable(testdisplayinfo testdisplayinfo.c)
+add_executable(testqsort testqsort.c)
+add_executable(testbounds testbounds.c)
+add_executable(testcustomcursor testcustomcursor.c)
+add_executable(controllermap controllermap.c)
+add_executable(testvulkan testvulkan.c)
+
+# HACK: Dummy target to cause the resource files to be copied to the build directory.
+# Need to make it an executable so we can use the TARGET_FILE_DIR generator expression.
+# This is needed so they get copied to the correct Debug/Release subdirectory in Xcode.
+file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/resources_dummy.c "int main(int argc, const char **argv){ return 1; }\n")
+add_executable(SDL2_test_resoureces ${CMAKE_CURRENT_BINARY_DIR}/resources_dummy.c)
+
+file(GLOB RESOURCE_FILES *.bmp *.wav)
+foreach(RESOURCE_FILE ${RESOURCE_FILES})
+    add_custom_command(TARGET SDL2_test_resoureces POST_BUILD COMMAND ${CMAKE_COMMAND} ARGS -E copy_if_different ${RESOURCE_FILE} $<TARGET_FILE_DIR:SDL2_test_resoureces>)
+endforeach(RESOURCE_FILE)
+
+file(COPY ${RESOURCE_FILES} DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
+
+# TODO: Might be easier to make all targets depend on the resources...?
+add_dependencies(testscale SDL2_test_resoureces)
+add_dependencies(testrendercopyex SDL2_test_resoureces)
+add_dependencies(controllermap SDL2_test_resoureces)
+add_dependencies(testyuv SDL2_test_resoureces)
+add_dependencies(testgamecontroller SDL2_test_resoureces)
+add_dependencies(testshape SDL2_test_resoureces)
+add_dependencies(testshader SDL2_test_resoureces)
+add_dependencies(testnative SDL2_test_resoureces)
+add_dependencies(testspriteminimal SDL2_test_resoureces)
+add_dependencies(testautomation SDL2_test_resoureces)
+add_dependencies(testcustomcursor SDL2_test_resoureces)
+add_dependencies(testrendertarget SDL2_test_resoureces)
+add_dependencies(testsprite2 SDL2_test_resoureces)
+
+add_dependencies(loopwave SDL2_test_resoureces)
+add_dependencies(loopwavequeue SDL2_test_resoureces)
+add_dependencies(testresample SDL2_test_resoureces)
+add_dependencies(testaudiohotplug SDL2_test_resoureces)
+add_dependencies(testmultiaudio SDL2_test_resoureces)
diff --git a/libs/SDL2/test/Makefile.in b/libs/SDL2/test/Makefile.in
index 0ac70e923be6800d88b1ff7a226546a13d3a6baa..9ddd6ffe7785e606f2c6ba4bcbfda8aca65f37f8 100644
--- a/libs/SDL2/test/Makefile.in
+++ b/libs/SDL2/test/Makefile.in
@@ -9,19 +9,23 @@ LIBS	= @LIBS@
 
 TARGETS = \
 	checkkeys$(EXE) \
+	controllermap$(EXE) \
 	loopwave$(EXE) \
 	loopwavequeue$(EXE) \
 	testatomic$(EXE) \
-	testaudioinfo$(EXE) \
 	testaudiocapture$(EXE) \
+	testaudiohotplug$(EXE) \
+	testaudioinfo$(EXE) \
 	testautomation$(EXE) \
 	testbounds$(EXE) \
 	testcustomcursor$(EXE) \
+	testdisplayinfo$(EXE) \
 	testdraw2$(EXE) \
 	testdrawchessboard$(EXE) \
 	testdropfile$(EXE) \
 	testerror$(EXE) \
 	testfile$(EXE) \
+	testfilesystem$(EXE) \
 	testgamecontroller$(EXE) \
 	testgesture$(EXE) \
 	testgl2$(EXE) \
@@ -29,44 +33,42 @@ TARGETS = \
 	testgles2$(EXE) \
 	testhaptic$(EXE) \
 	testhittesting$(EXE) \
-	testrumble$(EXE) \
 	testhotplug$(EXE) \
-	testthread$(EXE) \
 	testiconv$(EXE) \
 	testime$(EXE) \
 	testintersections$(EXE) \
-	testrelative$(EXE) \
 	testjoystick$(EXE) \
 	testkeys$(EXE) \
 	testloadso$(EXE) \
 	testlock$(EXE) \
+	testmessage$(EXE) \
 	testmultiaudio$(EXE) \
-	testaudiohotplug$(EXE) \
 	testnative$(EXE) \
 	testoverlay2$(EXE) \
 	testplatform$(EXE) \
 	testpower$(EXE) \
-	testfilesystem$(EXE) \
+	testqsort$(EXE) \
+	testrelative$(EXE) \
+	testrendercopyex$(EXE) \
 	testrendertarget$(EXE) \
 	testresample$(EXE) \
+	testrumble$(EXE) \
 	testscale$(EXE) \
 	testsem$(EXE) \
+	testsensor$(EXE) \
 	testshader$(EXE) \
 	testshape$(EXE) \
 	testsprite2$(EXE) \
 	testspriteminimal$(EXE) \
 	teststreaming$(EXE) \
+	testthread$(EXE) \
 	testtimer$(EXE) \
 	testver$(EXE) \
 	testviewport$(EXE) \
+	testvulkan$(EXE) \
 	testwm2$(EXE) \
+	testyuv$(EXE) \
 	torturethread$(EXE) \
-	testrendercopyex$(EXE) \
-	testmessage$(EXE) \
-	testdisplayinfo$(EXE) \
-	testqsort$(EXE) \
-	controllermap$(EXE) \
-	testvulkan$(EXE) \
 	
 all: Makefile $(TARGETS) copydatafiles
 
@@ -218,7 +220,7 @@ endif
 endif
 endif
 
-testoverlay2$(EXE): $(srcdir)/testoverlay2.c
+testoverlay2$(EXE): $(srcdir)/testoverlay2.c $(srcdir)/testyuv_cvt.c
 	$(CC) -o $@ $^ $(CFLAGS) $(LIBS)
 
 testplatform$(EXE): $(srcdir)/testplatform.c
@@ -239,6 +241,9 @@ testscale$(EXE): $(srcdir)/testscale.c
 testsem$(EXE): $(srcdir)/testsem.c
 	$(CC) -o $@ $^ $(CFLAGS) $(LIBS)
 
+testsensor$(EXE): $(srcdir)/testsensor.c
+	$(CC) -o $@ $^ $(CFLAGS) $(LIBS)
+
 testshader$(EXE): $(srcdir)/testshader.c
 	$(CC) -o $@ $^ $(CFLAGS) $(LIBS) @GLLIB@ @MATHLIB@
 
@@ -266,6 +271,9 @@ testviewport$(EXE): $(srcdir)/testviewport.c
 testwm2$(EXE): $(srcdir)/testwm2.c
 	$(CC) -o $@ $^ $(CFLAGS) $(LIBS)
 
+testyuv$(EXE): $(srcdir)/testyuv.c $(srcdir)/testyuv_cvt.c
+	$(CC) -o $@ $^ $(CFLAGS) $(LIBS)
+
 torturethread$(EXE): $(srcdir)/torturethread.c
 	$(CC) -o $@ $^ $(CFLAGS) $(LIBS)
 
@@ -309,7 +317,10 @@ distclean: clean
 %.wav: $(srcdir)/%.wav
 	cp $< $@
 
-copydatafiles: copybmpfiles copywavfiles
+%.dat: $(srcdir)/%.dat
+	cp $< $@
+
+copydatafiles: copybmpfiles copywavfiles copydatfiles
 .PHONY : copydatafiles
 
 copybmpfiles: $(foreach bmp,$(wildcard $(srcdir)/*.bmp),$(notdir $(bmp)))
@@ -318,3 +329,6 @@ copybmpfiles: $(foreach bmp,$(wildcard $(srcdir)/*.bmp),$(notdir $(bmp)))
 copywavfiles: $(foreach wav,$(wildcard $(srcdir)/*.wav),$(notdir $(wav)))
 .PHONY : copywavfiles
 
+copydatfiles: $(foreach dat,$(wildcard $(srcdir)/*.dat),$(notdir $(dat)))
+.PHONY : copydatfiles
+
diff --git a/libs/SDL2/test/checkkeys.c b/libs/SDL2/test/checkkeys.c
index 066c786d4392db048109551a6ab9b96ce63be8eb..4452acaba5220484a12a4a74382161490f58dc98 100644
--- a/libs/SDL2/test/checkkeys.c
+++ b/libs/SDL2/test/checkkeys.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/controllermap.c b/libs/SDL2/test/controllermap.c
index c4fe5929c3ade4870cee18a5d9c18c6b9b9b53b0..2ca53518a7e6d3b9b16e15c1377d6f929437cdc3 100644
--- a/libs/SDL2/test/controllermap.c
+++ b/libs/SDL2/test/controllermap.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/loopwave.c b/libs/SDL2/test/loopwave.c
index 63e19961105559b647f339147e33a30184b4c66a..88d8fc87181e493f6ad61f07d28c203497d2cb61 100644
--- a/libs/SDL2/test/loopwave.c
+++ b/libs/SDL2/test/loopwave.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/loopwavequeue.c b/libs/SDL2/test/loopwavequeue.c
index 3dc7792f6d6ecf1559c95da5a09e231e19b64488..3f0a69e1594fabb7e301879f6837ce2cf714eabe 100644
--- a/libs/SDL2/test/loopwavequeue.c
+++ b/libs/SDL2/test/loopwavequeue.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testatomic.c b/libs/SDL2/test/testatomic.c
index f8dca91785ca6f108851b6a6ace0e1e007dc2c48..6af9d4bf62830033495e5dd781c25a96a42da040 100644
--- a/libs/SDL2/test/testatomic.c
+++ b/libs/SDL2/test/testatomic.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testaudiocapture.c b/libs/SDL2/test/testaudiocapture.c
index 3b7ea0b790b90f5a00eacbbed68d4285bea82cd2..a418d123c4bf35f1e27cc5b0df13d92dcb206b78 100644
--- a/libs/SDL2/test/testaudiocapture.c
+++ b/libs/SDL2/test/testaudiocapture.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testaudiohotplug.c b/libs/SDL2/test/testaudiohotplug.c
index a72f91745e49d8996a79f3930c87917e01773dc4..374cbb27b74a3ae8bce6dcf3a41df30cc10f2435 100644
--- a/libs/SDL2/test/testaudiohotplug.c
+++ b/libs/SDL2/test/testaudiohotplug.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testaudioinfo.c b/libs/SDL2/test/testaudioinfo.c
index c70b86b5e07e326bb57fb9a5993b98a9b55251e3..adecce9b7249608c68077d34c34cd5b14f48b859 100644
--- a/libs/SDL2/test/testaudioinfo.c
+++ b/libs/SDL2/test/testaudioinfo.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testautomation.c b/libs/SDL2/test/testautomation.c
index 9fd22be072409110c87d52966e111366ac8d6e8e..bb799ea43b60e34143132a6292b6b8b7592c9281 100644
--- a/libs/SDL2/test/testautomation.c
+++ b/libs/SDL2/test/testautomation.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testbounds.c b/libs/SDL2/test/testbounds.c
index bc46cb823fee8528ced0bfeea6686daeb3aa8cc3..764809446a29e3620ba3d41d8744b9d4fc76f651 100644
--- a/libs/SDL2/test/testbounds.c
+++ b/libs/SDL2/test/testbounds.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testcustomcursor.c b/libs/SDL2/test/testcustomcursor.c
index 59c6409db01f58dfa61b964690c1fe77a8660934..469449818559b285a185ef460b83e0bda4c8ec63 100644
--- a/libs/SDL2/test/testcustomcursor.c
+++ b/libs/SDL2/test/testcustomcursor.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -73,6 +73,24 @@ init_color_cursor(const char *file)
     SDL_Cursor *cursor = NULL;
     SDL_Surface *surface = SDL_LoadBMP(file);
     if (surface) {
+        if (surface->format->palette) {
+            SDL_SetColorKey(surface, 1, *(Uint8 *) surface->pixels);
+        } else {
+            switch (surface->format->BitsPerPixel) {
+            case 15:
+                SDL_SetColorKey(surface, 1, (*(Uint16 *)surface->pixels) & 0x00007FFF);
+                break;
+            case 16:
+                SDL_SetColorKey(surface, 1, *(Uint16 *)surface->pixels);
+                break;
+            case 24:
+                SDL_SetColorKey(surface, 1, (*(Uint32 *)surface->pixels) & 0x00FFFFFF);
+                break;
+            case 32:
+                SDL_SetColorKey(surface, 1, *(Uint32 *)surface->pixels);
+                break;
+            }
+        }
         cursor = SDL_CreateColorCursor(surface, 0, 0);
         SDL_FreeSurface(surface);
     }
@@ -116,7 +134,9 @@ init_system_cursor(const char *image[])
 
 static SDLTest_CommonState *state;
 int done;
-SDL_Cursor *cursor = NULL;
+static SDL_Cursor *cursors[1+SDL_NUM_SYSTEM_CURSORS];
+static int current_cursor;
+static int show_cursor;
 
 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
 static void
@@ -134,6 +154,18 @@ loop()
     /* Check for events */
     while (SDL_PollEvent(&event)) {
         SDLTest_CommonEvent(state, &event, &done);
+        if (event.type == SDL_MOUSEBUTTONDOWN) {
+            if (event.button.button == SDL_BUTTON_LEFT) {
+                ++current_cursor;
+                if (current_cursor == SDL_arraysize(cursors)) {
+                    current_cursor = 0;
+                }
+                SDL_SetCursor(cursors[current_cursor]);
+            } else {
+                show_cursor = !show_cursor;
+                SDL_ShowCursor(show_cursor);
+            }
+        }
     }
     
     for (i = 0; i < state->num_windows; ++i) {
@@ -188,15 +220,22 @@ main(int argc, char *argv[])
     }
 
     if (color_cursor) {
-        cursor = init_color_cursor(color_cursor);
+        cursors[0] = init_color_cursor(color_cursor);
     } else {
-        cursor = init_system_cursor(arrow);
+        cursors[0] = init_system_cursor(arrow);
     }
-    if (!cursor) {
+    if (!cursors[0]) {
         SDL_Log("Error, couldn't create cursor\n");
         quit(2);
     }
-    SDL_SetCursor(cursor);
+    for (i = 0; i < SDL_NUM_SYSTEM_CURSORS; ++i) {
+        cursors[1+i] = SDL_CreateSystemCursor((SDL_SystemCursor)i);
+        if (!cursors[1+i]) {
+            SDL_Log("Error, couldn't create system cursor %d\n", i);
+            quit(2);
+        }
+    }
+    SDL_SetCursor(cursors[0]);
 
     /* Main render loop */
     done = 0;
@@ -208,9 +247,13 @@ main(int argc, char *argv[])
     }
 #endif
 
-    SDL_FreeCursor(cursor);
+    for (i = 0; i < SDL_arraysize(cursors); ++i) {
+        SDL_FreeCursor(cursors[i]);
+    }
     quit(0);
 
     /* keep the compiler happy ... */
     return(0);
 }
+
+/* vi: set ts=4 sw=4 expandtab: */
diff --git a/libs/SDL2/test/testdisplayinfo.c b/libs/SDL2/test/testdisplayinfo.c
index 51c19b010be3044b8a66308a7aaa2a70fa936a78..0cc5fbdd74bdc8aed1b008c22d5862419c6c7d5c 100644
--- a/libs/SDL2/test/testdisplayinfo.c
+++ b/libs/SDL2/test/testdisplayinfo.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testdraw2.c b/libs/SDL2/test/testdraw2.c
index 1472a3863e16ed5f426ce39fd25d5eaa68f0c014..91ee7eea2c765c98555ca1632f3eba4499951e9e 100644
--- a/libs/SDL2/test/testdraw2.c
+++ b/libs/SDL2/test/testdraw2.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testdrawchessboard.c b/libs/SDL2/test/testdrawchessboard.c
index cef8621fca8e7eb9b5dc64ea02e346d73426d59c..3dd78e1ac662302174e5dfacf7de6e07d22e6d2c 100644
--- a/libs/SDL2/test/testdrawchessboard.c
+++ b/libs/SDL2/test/testdrawchessboard.c
@@ -1,5 +1,5 @@
 /*
-   Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+   Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
    This software is provided 'as-is', without any express or implied
    warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testdropfile.c b/libs/SDL2/test/testdropfile.c
index b3cb17d9bff69f9bfeb0d86803cb366ab2bc7c75..1c2a3f0e64197330515b5e370f9c297e7aaac401 100644
--- a/libs/SDL2/test/testdropfile.c
+++ b/libs/SDL2/test/testdropfile.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testerror.c b/libs/SDL2/test/testerror.c
index 468f8a7fb8ae789a7417b564a2733513669a3bec..87fcab21b3e5e98b05404d1f7748a93f80e3f9d1 100644
--- a/libs/SDL2/test/testerror.c
+++ b/libs/SDL2/test/testerror.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testfile.c b/libs/SDL2/test/testfile.c
index 23215ea277a258bee07f75ac4fad4ff779b593c1..e563d77bee96cd27a34a985b94e8716c42035dfc 100644
--- a/libs/SDL2/test/testfile.c
+++ b/libs/SDL2/test/testfile.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testfilesystem.c b/libs/SDL2/test/testfilesystem.c
index e8a3b3c36d29b9038b0bd0ee7911b2dd45e93902..ada4e864ced90d9d5c14a9d6bccf44c6476438d4 100644
--- a/libs/SDL2/test/testfilesystem.c
+++ b/libs/SDL2/test/testfilesystem.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testgamecontroller.c b/libs/SDL2/test/testgamecontroller.c
index f586bfe220e90efdc6f50c5b732a82f9d2a373bb..c8616d7cd21abae4ce857e31426eb5ef9f5c65bd 100644
--- a/libs/SDL2/test/testgamecontroller.c
+++ b/libs/SDL2/test/testgamecontroller.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -114,6 +114,11 @@ loop(void *arg)
         case SDL_CONTROLLERBUTTONDOWN:
         case SDL_CONTROLLERBUTTONUP:
             SDL_Log("Controller button %s %s\n", SDL_GameControllerGetStringForButton((SDL_GameControllerButton)event.cbutton.button), event.cbutton.state ? "pressed" : "released");
+            /* First button triggers a 0.5 second full strength rumble */
+            if (event.type == SDL_CONTROLLERBUTTONDOWN &&
+                event.cbutton.button == SDL_CONTROLLER_BUTTON_A) {
+                SDL_GameControllerRumble(gamecontroller, 0xFFFF, 0xFFFF, 500);
+            }
             break;
         case SDL_KEYDOWN:
             if (event.key.keysym.sym != SDLK_ESCAPE) {
diff --git a/libs/SDL2/test/testgesture.c b/libs/SDL2/test/testgesture.c
index f7db94fbeb36108d0e6847c8ab94033dc28af135..f4b254a65b7b777782047a44e063533c6bcfd4c4 100644
--- a/libs/SDL2/test/testgesture.c
+++ b/libs/SDL2/test/testgesture.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testgl2.c b/libs/SDL2/test/testgl2.c
index 114c14105ebecea81e9f27db9951021d5940340c..dd01d0e291ae34cef950068fb5416d21b8fa6181 100644
--- a/libs/SDL2/test/testgl2.c
+++ b/libs/SDL2/test/testgl2.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testgles.c b/libs/SDL2/test/testgles.c
index cb1da1407e30df9ff77861e94293984b7b2bafeb..96895da0f7992d48fc6af3886846efee73233b2e 100644
--- a/libs/SDL2/test/testgles.c
+++ b/libs/SDL2/test/testgles.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testgles2.c b/libs/SDL2/test/testgles2.c
index 282e0b611e70e4e70afbacf79f4a18e1a148d2d1..c4578a5cc7987b558b3b4a713fbfa704b6bf76d3 100644
--- a/libs/SDL2/test/testgles2.c
+++ b/libs/SDL2/test/testgles2.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testhotplug.c b/libs/SDL2/test/testhotplug.c
index 765ce2639499a6d1fda317f38844f7c8343cd0c2..72c90e8d97dbfdc1ac60afa32e1ca4398b171b30 100644
--- a/libs/SDL2/test/testhotplug.c
+++ b/libs/SDL2/test/testhotplug.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testiconv.c b/libs/SDL2/test/testiconv.c
index ff3b28c93c7eadfe401cf216c387532dba3fea87..47e8c377acb5b33229cf8c1f270ab88c95662744 100644
--- a/libs/SDL2/test/testiconv.c
+++ b/libs/SDL2/test/testiconv.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testime.c b/libs/SDL2/test/testime.c
index 32f80cd6bd63cc75efd800197de707b439d1d7e4..77bb86962869ea03970e2ee881c372dc6b530207 100644
--- a/libs/SDL2/test/testime.c
+++ b/libs/SDL2/test/testime.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testintersections.c b/libs/SDL2/test/testintersections.c
index dcf1bc172f5578262092599cbc73652b4400a15d..619df0640e1599ed200887872bc71ae0f5322df5 100644
--- a/libs/SDL2/test/testintersections.c
+++ b/libs/SDL2/test/testintersections.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testjoystick.c b/libs/SDL2/test/testjoystick.c
index 50e5cc96ef17618fbabe1a9312cb7fffed111226..bca74924401048fba60712304d7db4fbe7da3756 100644
--- a/libs/SDL2/test/testjoystick.c
+++ b/libs/SDL2/test/testjoystick.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -90,6 +90,10 @@ loop(void *arg)
             case SDL_JOYBUTTONDOWN:
                 SDL_Log("Joystick %d button %d down\n",
                        event.jbutton.which, event.jbutton.button);
+                /* First button triggers a 0.5 second full strength rumble */
+                if (event.jbutton.button == 0) {
+                    SDL_JoystickRumble(joystick, 0xFFFF, 0xFFFF, 500);
+                }
                 break;
             case SDL_JOYBUTTONUP:
                 SDL_Log("Joystick %d button %d up\n",
diff --git a/libs/SDL2/test/testkeys.c b/libs/SDL2/test/testkeys.c
index 33649d22928d3d2648619e330437f8d81d752a56..73f880e13acefbc6c2475cb950b250ed930dc744 100644
--- a/libs/SDL2/test/testkeys.c
+++ b/libs/SDL2/test/testkeys.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testloadso.c b/libs/SDL2/test/testloadso.c
index 2dce11d6a52f79e0b93a4a56361eaade8f648bba..c6fa33106ff6cda7d172aa6fd57d8abb66f86892 100644
--- a/libs/SDL2/test/testloadso.c
+++ b/libs/SDL2/test/testloadso.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testlock.c b/libs/SDL2/test/testlock.c
index e79fcda966cfd50dc54c8dda2427b5c35f221420..8299a9a675decc8ef63715526ec42491b65d6ad0 100644
--- a/libs/SDL2/test/testlock.c
+++ b/libs/SDL2/test/testlock.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testmessage.c b/libs/SDL2/test/testmessage.c
index 07d0b0309794b0a6e68fea24a9e041f8f5c6d831..8488d8eda61ac4c2ad7d8275d2d819e8b9e33276 100644
--- a/libs/SDL2/test/testmessage.c
+++ b/libs/SDL2/test/testmessage.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testmultiaudio.c b/libs/SDL2/test/testmultiaudio.c
index 4bae3859cb0e1efe7fa21ad6ccdd9102947ecac5..52a4cac7d96150c41e0d8b532e5675b7fe982adc 100644
--- a/libs/SDL2/test/testmultiaudio.c
+++ b/libs/SDL2/test/testmultiaudio.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testnative.c b/libs/SDL2/test/testnative.c
index 83bc495dfeccdbdb072048092e469bc80c8ebff6..674d9d3b4d8520a5a86424b230d9e845d1d00f55 100644
--- a/libs/SDL2/test/testnative.c
+++ b/libs/SDL2/test/testnative.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testnative.h b/libs/SDL2/test/testnative.h
index b2ee5fa44b43605a25159a74aedcca2a0b5a9981..29d85fb325b923d97de0c0cd1e1b28f7d8b7ccc5 100644
--- a/libs/SDL2/test/testnative.h
+++ b/libs/SDL2/test/testnative.h
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testnativew32.c b/libs/SDL2/test/testnativew32.c
index 7a27b127ae63fca311ce28f7bf2f96c9deaf7fbd..7e96bc697a2b6d8429c6b596df72e5b0c41d91e6 100644
--- a/libs/SDL2/test/testnativew32.c
+++ b/libs/SDL2/test/testnativew32.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testnativex11.c b/libs/SDL2/test/testnativex11.c
index 8908d22ffd2039b0b8f8e7437d89c739a45e319a..386c25e9ec423a119a388aa71529ab9d0a55a027 100644
--- a/libs/SDL2/test/testnativex11.c
+++ b/libs/SDL2/test/testnativex11.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testoverlay2.c b/libs/SDL2/test/testoverlay2.c
index 2145c4d36b045d4b106c3d9ac88d2b6d8ace1b0b..daf07d3e941fc723f06e0c00a8e116d989c17baa 100644
--- a/libs/SDL2/test/testoverlay2.c
+++ b/libs/SDL2/test/testoverlay2.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -16,16 +16,14 @@
  *                                                                              *
  ********************************************************************************/
 
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-
 #ifdef __EMSCRIPTEN__
 #include <emscripten/emscripten.h>
 #endif
 
 #include "SDL.h"
 
+#include "testyuv_cvt.h"
+
 #define MOOSEPIC_W 64
 #define MOOSEPIC_H 88
 
@@ -149,7 +147,6 @@ SDL_Renderer *renderer;
 int paused = 0;
 int i;
 SDL_bool done = SDL_FALSE;
-Uint32 pixel_format = SDL_PIXELFORMAT_YV12;
 static int fpsdelay;
 
 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
@@ -160,91 +157,6 @@ quit(int rc)
     exit(rc);
 }
 
-/* All RGB2YUV conversion code and some other parts of code has been taken from testoverlay.c */
-
-/* NOTE: These RGB conversion functions are not intended for speed,
-         only as examples.
-*/
-
-void
-RGBtoYUV(Uint8 * rgb, int *yuv, int monochrome, int luminance)
-{
-    if (monochrome) {
-#if 1                           /* these are the two formulas that I found on the FourCC site... */
-        yuv[0] = (int)(0.299 * rgb[0] + 0.587 * rgb[1] + 0.114 * rgb[2]);
-        yuv[1] = 128;
-        yuv[2] = 128;
-#else
-        yuv[0] = (int)(0.257 * rgb[0]) + (0.504 * rgb[1]) + (0.098 * rgb[2]) + 16;
-        yuv[1] = 128;
-        yuv[2] = 128;
-#endif
-    } else {
-#if 1                           /* these are the two formulas that I found on the FourCC site... */
-        yuv[0] = (int)(0.299 * rgb[0] + 0.587 * rgb[1] + 0.114 * rgb[2]);
-        yuv[1] = (int)((rgb[2] - yuv[0]) * 0.565 + 128);
-        yuv[2] = (int)((rgb[0] - yuv[0]) * 0.713 + 128);
-#else
-        yuv[0] = (0.257 * rgb[0]) + (0.504 * rgb[1]) + (0.098 * rgb[2]) + 16;
-        yuv[1] = 128 - (0.148 * rgb[0]) - (0.291 * rgb[1]) + (0.439 * rgb[2]);
-        yuv[2] = 128 + (0.439 * rgb[0]) - (0.368 * rgb[1]) - (0.071 * rgb[2]);
-#endif
-    }
-
-    if (luminance != 100) {
-        yuv[0] = yuv[0] * luminance / 100;
-        if (yuv[0] > 255)
-            yuv[0] = 255;
-    }
-}
-
-void
-ConvertRGBtoYV12(Uint8 *rgb, Uint8 *out, int w, int h,
-                 int monochrome, int luminance)
-{
-    int x, y;
-    int yuv[3];
-    Uint8 *op[3];
-
-    op[0] = out;
-    op[1] = op[0] + w*h;
-    op[2] = op[1] + w*h/4;
-    for (y = 0; y < h; ++y) {
-        for (x = 0; x < w; ++x) {
-            RGBtoYUV(rgb, yuv, monochrome, luminance);
-            *(op[0]++) = yuv[0];
-            if (x % 2 == 0 && y % 2 == 0) {
-                *(op[1]++) = yuv[2];
-                *(op[2]++) = yuv[1];
-            }
-            rgb += 3;
-        }
-    }
-}
-
-void
-ConvertRGBtoNV12(Uint8 *rgb, Uint8 *out, int w, int h,
-                 int monochrome, int luminance)
-{
-    int x, y;
-    int yuv[3];
-    Uint8 *op[2];
-
-    op[0] = out;
-    op[1] = op[0] + w*h;
-    for (y = 0; y < h; ++y) {
-        for (x = 0; x < w; ++x) {
-            RGBtoYUV(rgb, yuv, monochrome, luminance);
-            *(op[0]++) = yuv[0];
-            if (x % 2 == 0 && y % 2 == 0) {
-                *(op[1]++) = yuv[1];
-                *(op[1]++) = yuv[2];
-            }
-            rgb += 3;
-        }
-    }
-}
-
 static void
 PrintUsage(char *argv0)
 {
@@ -307,7 +219,7 @@ loop()
     if (!paused) {
         i = (i + 1) % MOOSEFRAMES_COUNT;
 
-        SDL_UpdateTexture(MooseTexture, NULL, MooseFrame[i], MOOSEPIC_W*SDL_BYTESPERPIXEL(pixel_format));
+        SDL_UpdateTexture(MooseTexture, NULL, MooseFrame[i], MOOSEPIC_W);
     }
     SDL_RenderClear(renderer);
     SDL_RenderCopy(renderer, MooseTexture, NULL, &displayrect);
@@ -329,11 +241,6 @@ main(int argc, char **argv)
     int j;
     int fps = 12;
     int nodelay = 0;
-#ifdef TEST_NV12
-    Uint32 pixel_format = SDL_PIXELFORMAT_NV12;
-#else
-    Uint32 pixel_format = SDL_PIXELFORMAT_YV12;
-#endif
     int scale = 5;
 
     /* Enable standard application logging */
@@ -347,7 +254,7 @@ main(int argc, char **argv)
     while (argc > 1) {
         if (strcmp(argv[1], "-fps") == 0) {
             if (argv[2]) {
-                fps = atoi(argv[2]);
+                fps = SDL_atoi(argv[2]);
                 if (fps == 0) {
                     SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
                             "The -fps option requires an argument [from 1 to 1000], default is 12.\n");
@@ -371,7 +278,7 @@ main(int argc, char **argv)
             argc -= 1;
         } else if (strcmp(argv[1], "-scale") == 0) {
             if (argv[2]) {
-                scale = atoi(argv[2]);
+                scale = SDL_atoi(argv[2]);
                 if (scale == 0) {
                     SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
                             "The -scale option requires an argument [from 1 to 50], default is 5.\n");
@@ -439,7 +346,7 @@ main(int argc, char **argv)
         quit(4);
     }
 
-    MooseTexture = SDL_CreateTexture(renderer, pixel_format, SDL_TEXTUREACCESS_STREAMING, MOOSEPIC_W, MOOSEPIC_H);
+    MooseTexture = SDL_CreateTexture(renderer, SDL_PIXELFORMAT_YV12, SDL_TEXTUREACCESS_STREAMING, MOOSEPIC_W, MOOSEPIC_H);
     if (!MooseTexture) {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't set create texture: %s\n", SDL_GetError());
         free(RawMooseData);
@@ -461,17 +368,9 @@ main(int argc, char **argv)
             rgb[2] = MooseColors[frame[j]].b;
             rgb += 3;
         }
-        switch (pixel_format) {
-        case SDL_PIXELFORMAT_YV12:
-            ConvertRGBtoYV12(MooseFrameRGB, MooseFrame[i], MOOSEPIC_W, MOOSEPIC_H, 0, 100);
-            break;
-        case SDL_PIXELFORMAT_NV12:
-            ConvertRGBtoNV12(MooseFrameRGB, MooseFrame[i], MOOSEPIC_W, MOOSEPIC_H, 0, 100);
-            break;
-        default:
-            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Unsupported pixel format\n");
-            break;
-        }
+        ConvertRGBtoYUV(SDL_PIXELFORMAT_YV12, MooseFrameRGB, MOOSEPIC_W*3, MooseFrame[i], MOOSEPIC_W, MOOSEPIC_H,
+            SDL_GetYUVConversionModeForResolution(MOOSEPIC_W, MOOSEPIC_H),
+            0, 100);
     }
 
     free(RawMooseData);
diff --git a/libs/SDL2/test/testplatform.c b/libs/SDL2/test/testplatform.c
index 0cba8fe76c31a50082c173cf810312555389f9e1..1c1d2dcd83b3078d8c067facd0ca45edede0938d 100644
--- a/libs/SDL2/test/testplatform.c
+++ b/libs/SDL2/test/testplatform.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -380,6 +380,7 @@ TestCPUInfo(SDL_bool verbose)
         SDL_Log("SSE4.2 %s\n", SDL_HasSSE42()? "detected" : "not detected");
         SDL_Log("AVX %s\n", SDL_HasAVX()? "detected" : "not detected");
         SDL_Log("AVX2 %s\n", SDL_HasAVX2()? "detected" : "not detected");
+        SDL_Log("AVX-512F %s\n", SDL_HasAVX512F()? "detected" : "not detected");
         SDL_Log("NEON %s\n", SDL_HasNEON()? "detected" : "not detected");
         SDL_Log("System RAM %d MB\n", SDL_GetSystemRAM());
     }
diff --git a/libs/SDL2/test/testpower.c b/libs/SDL2/test/testpower.c
index 48d64f094eab10f0183f9f0090d552463369c77b..adb58832accf6ba1dd0166b597c07670c6299d88 100644
--- a/libs/SDL2/test/testpower.c
+++ b/libs/SDL2/test/testpower.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testqsort.c b/libs/SDL2/test/testqsort.c
index 8867539364df747395c7050d3bf547586f90841a..e83b0731e5896effbc5ce68cdac16fd24e8382c6 100644
--- a/libs/SDL2/test/testqsort.c
+++ b/libs/SDL2/test/testqsort.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testrelative.c b/libs/SDL2/test/testrelative.c
index 5d2ab5d93f344e3887b6bc9ad09bd2ecf649874b..816329ff567b98be5d4a1c6b66e4e8d69c2bd1b5 100644
--- a/libs/SDL2/test/testrelative.c
+++ b/libs/SDL2/test/testrelative.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testrendercopyex.c b/libs/SDL2/test/testrendercopyex.c
index 72a54e649ae60babfbf492131b332a738c042858..209a351576458de0190e1fe14ee8c80eefca4a8b 100644
--- a/libs/SDL2/test/testrendercopyex.c
+++ b/libs/SDL2/test/testrendercopyex.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testrendertarget.c b/libs/SDL2/test/testrendertarget.c
index ec21f2e4301f1fcb8996fae54e8188a6a024519f..7d24d8aeaebc3f21ad74b3987e6b0ace82bbd80e 100644
--- a/libs/SDL2/test/testrendertarget.c
+++ b/libs/SDL2/test/testrendertarget.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testresample.c b/libs/SDL2/test/testresample.c
index a54a47dcb02b342d8d48ebbbba57b7e0e2b8ffeb..4234d9e4549359dcbe23e5206728d7dea9d76ea9 100644
--- a/libs/SDL2/test/testresample.c
+++ b/libs/SDL2/test/testresample.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -93,7 +93,7 @@ main(int argc, char **argv)
     SDL_WriteLE32(io, 0x45564157);      /* WAVE */
     SDL_WriteLE32(io, 0x20746D66);      /* fmt */
     SDL_WriteLE32(io, 16);      /* chunk size */
-    SDL_WriteLE16(io, 1);       /* uncompressed */
+    SDL_WriteLE16(io, SDL_AUDIO_ISFLOAT(spec.format) ? 3 : 1);       /* uncompressed */
     SDL_WriteLE16(io, cvtchans);   /* channels */
     SDL_WriteLE32(io, cvtfreq); /* sample rate */
     SDL_WriteLE32(io, avgbytes);        /* average bytes per second */
diff --git a/libs/SDL2/test/testrumble.c b/libs/SDL2/test/testrumble.c
index a22c52ec2a24ab7dec4c55839be202d792173966..908a6aafb4dc71ddfb4a6a3c8b45dd47bc88c5a2 100644
--- a/libs/SDL2/test/testrumble.c
+++ b/libs/SDL2/test/testrumble.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testscale.c b/libs/SDL2/test/testscale.c
index 34451d6fc482e423ec0554fa81ebf954aa290e7d..e1b46fcc8ded92377ec91e4aacd7927352b9c66d 100644
--- a/libs/SDL2/test/testscale.c
+++ b/libs/SDL2/test/testscale.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testsem.c b/libs/SDL2/test/testsem.c
index 13438b1b6ca9036ab494262b74bed04626165137..884763e6a3adeeebf7ce6dedee4c56a14161c66f 100644
--- a/libs/SDL2/test/testsem.c
+++ b/libs/SDL2/test/testsem.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testsensor.c b/libs/SDL2/test/testsensor.c
new file mode 100644
index 0000000000000000000000000000000000000000..00bfd137deaa2a2a155f63ccae1d20caa919e6f4
--- /dev/null
+++ b/libs/SDL2/test/testsensor.c
@@ -0,0 +1,117 @@
+/*
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely.
+*/
+
+/* Simple test of the SDL sensor code */
+
+#include "SDL.h"
+
+static const char *GetSensorTypeString(SDL_SensorType type)
+{
+    static char unknown_type[64];
+
+    switch (type)
+    {
+    case SDL_SENSOR_INVALID:
+        return "SDL_SENSOR_INVALID";
+    case SDL_SENSOR_UNKNOWN:
+        return "SDL_SENSOR_UNKNOWN";
+    case SDL_SENSOR_ACCEL:
+        return "SDL_SENSOR_ACCEL";
+    case SDL_SENSOR_GYRO:
+        return "SDL_SENSOR_GYRO";
+    default:
+        SDL_snprintf(unknown_type, sizeof(unknown_type), "UNKNOWN (%d)", type);
+        return unknown_type;
+    }
+}
+
+static void HandleSensorEvent(SDL_SensorEvent *event)
+{
+    SDL_Sensor *sensor = SDL_SensorFromInstanceID(event->which);
+    if (!sensor) {
+        SDL_Log("Couldn't get sensor for sensor event\n");
+        return;
+    }
+
+    switch (SDL_SensorGetType(sensor)) {
+    case SDL_SENSOR_ACCEL:
+        SDL_Log("Accelerometer update: %.2f, %.2f, %.2f\n", event->data[0], event->data[1], event->data[2]);
+        break;
+    case SDL_SENSOR_GYRO:
+        SDL_Log("Gyro update: %.2f, %.2f, %.2f\n", event->data[0], event->data[1], event->data[2]);
+        break;
+    default:
+        SDL_Log("Sensor update for sensor type %s\n", GetSensorTypeString(SDL_SensorGetType(sensor)));
+        break;
+    }
+}
+
+int
+main(int argc, char **argv)
+{
+    int i;
+    int num_sensors, num_opened;
+
+    /* Load the SDL library */
+    if (SDL_Init(SDL_INIT_SENSOR) < 0) {
+        SDL_Log("Couldn't initialize SDL: %s\n", SDL_GetError());
+        return (1);
+    }
+
+    num_sensors = SDL_NumSensors();
+    num_opened = 0;
+
+    SDL_Log("There are %d sensors available\n", num_sensors);
+    for (i = 0; i < num_sensors; ++i) {
+        SDL_Log("Sensor %d: %s, type %s, platform type %d\n",
+            SDL_SensorGetDeviceInstanceID(i),
+            SDL_SensorGetDeviceName(i),
+            GetSensorTypeString(SDL_SensorGetDeviceType(i)),
+            SDL_SensorGetDeviceNonPortableType(i));
+
+        if (SDL_SensorGetDeviceType(i) != SDL_SENSOR_UNKNOWN) {
+            SDL_Sensor *sensor = SDL_SensorOpen(i);
+            if (sensor == NULL) {
+                SDL_Log("Couldn't open sensor %d: %s\n", SDL_SensorGetDeviceInstanceID(i), SDL_GetError());
+            } else {
+                ++num_opened;
+            }
+        }
+    }
+    SDL_Log("Opened %d sensors\n", num_opened);
+
+    if (num_opened > 0) {
+        SDL_bool done = SDL_FALSE;
+        SDL_Event event;
+
+        SDL_CreateWindow("Sensor Test", 0, 0, 0, 0, SDL_WINDOW_FULLSCREEN_DESKTOP);
+        while (!done) {
+            while (SDL_PollEvent(&event) > 0) {
+                switch (event.type) {
+                case SDL_SENSORUPDATE:
+                    HandleSensorEvent(&event.sensor);
+                    break;
+                case SDL_MOUSEBUTTONUP:
+                case SDL_KEYUP:
+                case SDL_QUIT:
+                    done = SDL_TRUE;
+                    break;
+                default:
+                    break;
+                }
+            }
+        }
+    }
+
+    SDL_Quit();
+    return (0);
+}
diff --git a/libs/SDL2/test/testshader.c b/libs/SDL2/test/testshader.c
index 1700da1ccc1d6c9ee83eda6b92a476c4357f09c9..ee0ccdad200a3c5a13ea036ecccee853407e8e58 100644
--- a/libs/SDL2/test/testshader.c
+++ b/libs/SDL2/test/testshader.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testshape.c b/libs/SDL2/test/testshape.c
index d54cc2265a1527a91975c0c5d12ee17a7111637d..7e451e667b232dbdbeb5e41d204aa9172dafebb0 100644
--- a/libs/SDL2/test/testshape.c
+++ b/libs/SDL2/test/testshape.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testsprite2.c b/libs/SDL2/test/testsprite2.c
index 14258f74cd2efdc05f891dc30cb0991086f864ef..b0348f85d7c3927e597f9440d41d2b3d191adcad 100644
--- a/libs/SDL2/test/testsprite2.c
+++ b/libs/SDL2/test/testsprite2.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testspriteminimal.c b/libs/SDL2/test/testspriteminimal.c
index 478c5849677173ae8c8bd6ccf96bd4426ec6dc93..92560002ac441d29dad1d6b01bd68f568127ab87 100644
--- a/libs/SDL2/test/testspriteminimal.c
+++ b/libs/SDL2/test/testspriteminimal.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/teststreaming.c b/libs/SDL2/test/teststreaming.c
index 76a9fed18888fc576631c4566d38398198f519ed..7ec6891062676d6eb3de8fb18dd93a112db5612a 100644
--- a/libs/SDL2/test/teststreaming.c
+++ b/libs/SDL2/test/teststreaming.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testthread.c b/libs/SDL2/test/testthread.c
index 6557b2fc742289143d776fb84c95f942fe72d0fe..4555a1e9457477ddf0c39123d4c3618cafa8ca1a 100644
--- a/libs/SDL2/test/testthread.c
+++ b/libs/SDL2/test/testthread.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -20,6 +20,7 @@
 
 static SDL_TLSID tls;
 static int alive = 0;
+static int testprio = 0;
 
 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
 static void
@@ -29,14 +30,37 @@ quit(int rc)
     exit(rc);
 }
 
+static const char *
+getprioritystr(SDL_ThreadPriority priority)
+{
+    switch(priority)
+    {
+    case SDL_THREAD_PRIORITY_LOW: return "SDL_THREAD_PRIORITY_LOW";
+    case SDL_THREAD_PRIORITY_NORMAL: return "SDL_THREAD_PRIORITY_NORMAL";
+    case SDL_THREAD_PRIORITY_HIGH: return "SDL_THREAD_PRIORITY_HIGH";
+    case SDL_THREAD_PRIORITY_TIME_CRITICAL: return "SDL_THREAD_PRIORITY_TIME_CRITICAL";
+    }
+
+    return "???";
+}
+
 int SDLCALL
 ThreadFunc(void *data)
 {
+    SDL_ThreadPriority prio = SDL_THREAD_PRIORITY_NORMAL;
+
     SDL_TLSSet(tls, "baby thread", NULL);
     SDL_Log("Started thread %s: My thread id is %lu, thread data = %s\n",
            (char *) data, SDL_ThreadID(), (const char *)SDL_TLSGet(tls));
     while (alive) {
         SDL_Log("Thread '%s' is alive!\n", (char *) data);
+
+        if (testprio) {
+            SDL_Log("SDL_SetThreadPriority(%s):%d\n", getprioritystr(prio), SDL_SetThreadPriority(prio));
+            if (++prio > SDL_THREAD_PRIORITY_TIME_CRITICAL)
+                prio = SDL_THREAD_PRIORITY_LOW;
+        }
+
         SDL_Delay(1 * 1000);
     }
     SDL_Log("Thread '%s' exiting!\n", (char *) data);
@@ -55,6 +79,7 @@ killed(int sig)
 int
 main(int argc, char *argv[])
 {
+    int arg = 1;
     SDL_Thread *thread;
 
     /* Enable standard application logging */
@@ -66,6 +91,13 @@ main(int argc, char *argv[])
         return (1);
     }
 
+    while (argv[arg] && *argv[arg] == '-') {
+        if (SDL_strcmp(argv[arg], "--prio") == 0) {
+            testprio = 1;
+        }
+        ++arg;
+    }
+
     tls = SDL_TLSCreate();
     SDL_assert(tls);
     SDL_TLSSet(tls, "main thread", NULL);
diff --git a/libs/SDL2/test/testtimer.c b/libs/SDL2/test/testtimer.c
index 261497be74da6e54b874b759f6a4112fcb29cfba..34764c1c96b6e30dc2dd13ec4d2ce73c51929984 100644
--- a/libs/SDL2/test/testtimer.c
+++ b/libs/SDL2/test/testtimer.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testver.c b/libs/SDL2/test/testver.c
index 04a7a9010e5197d7e4b549e4792528a9520ae7fa..1ae0083457bbc9b9083c8dfdb4ab424914d49c00 100644
--- a/libs/SDL2/test/testver.c
+++ b/libs/SDL2/test/testver.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testviewport.c b/libs/SDL2/test/testviewport.c
index f9d0bd5aa60f708102a5ecc71aeda3fed24c0144..4b8d20e76d77dc12f73def864b1102515005a62a 100644
--- a/libs/SDL2/test/testviewport.c
+++ b/libs/SDL2/test/testviewport.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/test/testvulkan.c b/libs/SDL2/test/testvulkan.c
index 95cbec8039ecf658853eabde379f5a428ea65bba..cd682af1f6019a804a59adad2f91c0e50195b983 100644
--- a/libs/SDL2/test/testvulkan.c
+++ b/libs/SDL2/test/testvulkan.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -255,7 +255,7 @@ static void createInstance(void)
     appInfo.apiVersion = VK_API_VERSION_1_0;
     instanceCreateInfo.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
     instanceCreateInfo.pApplicationInfo = &appInfo;
-    if(!SDL_Vulkan_GetInstanceExtensions(state->windows[0], &extensionCount, NULL))
+    if(!SDL_Vulkan_GetInstanceExtensions(NULL, &extensionCount, NULL))
     {
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
                      "SDL_Vulkan_GetInstanceExtensions(): %s\n",
@@ -268,7 +268,7 @@ static void createInstance(void)
         SDL_OutOfMemory();
         quit(2);
     }
-    if(!SDL_Vulkan_GetInstanceExtensions(state->windows[0], &extensionCount, extensions))
+    if(!SDL_Vulkan_GetInstanceExtensions(NULL, &extensionCount, extensions))
     {
         SDL_free((void*)extensions);
         SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
diff --git a/libs/SDL2/test/testwm2.c b/libs/SDL2/test/testwm2.c
index ab3eea2f5bb2a2b90dfed4120fc91ea07f396cb5..5da38730947cfef3f973a90d1eab219d97dd5d75 100644
--- a/libs/SDL2/test/testwm2.c
+++ b/libs/SDL2/test/testwm2.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -146,6 +146,9 @@ main(int argc, char *argv[])
         quit(2);
     }
 
+    SDL_EventState(SDL_DROPFILE, SDL_ENABLE);
+    SDL_EventState(SDL_DROPTEXT, SDL_ENABLE);
+
     for (i = 0; i < state->num_windows; ++i) {
         SDL_Renderer *renderer = state->renderers[i];
         SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF);
diff --git a/libs/SDL2/test/testyuv.bmp b/libs/SDL2/test/testyuv.bmp
new file mode 100644
index 0000000000000000000000000000000000000000..af32034b6b5b858be470f9ef3bb023bc199bf96e
Binary files /dev/null and b/libs/SDL2/test/testyuv.bmp differ
diff --git a/libs/SDL2/test/testyuv.c b/libs/SDL2/test/testyuv.c
new file mode 100644
index 0000000000000000000000000000000000000000..f52ab9f72ec81e70e671dcdbf87aba773ae9e10e
--- /dev/null
+++ b/libs/SDL2/test/testyuv.c
@@ -0,0 +1,455 @@
+/*
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely.
+*/
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "SDL.h"
+#include "SDL_test_font.h"
+#include "testyuv_cvt.h"
+
+
+/* 422 (YUY2, etc) formats are the largest */
+#define MAX_YUV_SURFACE_SIZE(W, H, P)  (H*4*(W+P+1)/2)
+
+
+/* Return true if the YUV format is packed pixels */
+static SDL_bool is_packed_yuv_format(Uint32 format)
+{
+    return (format == SDL_PIXELFORMAT_YUY2 ||
+            format == SDL_PIXELFORMAT_UYVY ||
+            format == SDL_PIXELFORMAT_YVYU);
+}
+
+/* Create a surface with a good pattern for verifying YUV conversion */
+static SDL_Surface *generate_test_pattern(int pattern_size)
+{
+    SDL_Surface *pattern = SDL_CreateRGBSurfaceWithFormat(0, pattern_size, pattern_size, 0, SDL_PIXELFORMAT_RGB24);
+
+    if (pattern) {
+        int i, x, y;
+        Uint8 *p, c;
+        const int thickness = 2;    /* Important so 2x2 blocks of color are the same, to avoid Cr/Cb interpolation over pixels */
+
+        /* R, G, B in alternating horizontal bands */
+        for (y = 0; y < pattern->h; y += thickness) {
+            for (i = 0; i < thickness; ++i) {
+                p = (Uint8 *)pattern->pixels + (y + i) * pattern->pitch + ((y/thickness) % 3);
+                for (x = 0; x < pattern->w; ++x) {
+                    *p = 0xFF;
+                    p += 3;
+                }
+            }
+        }
+
+        /* Black and white in alternating vertical bands */
+        c = 0xFF;
+        for (x = 1*thickness; x < pattern->w; x += 2*thickness) {
+            for (i = 0; i < thickness; ++i) {
+                p = (Uint8 *)pattern->pixels + (x + i)*3;
+                for (y = 0; y < pattern->h; ++y) {
+                    SDL_memset(p, c, 3);
+                    p += pattern->pitch;
+                }
+            }
+            if (c) {
+                c = 0x00;
+            } else {
+                c = 0xFF;
+            }
+        }
+    }
+    return pattern;
+}
+
+static SDL_bool verify_yuv_data(Uint32 format, const Uint8 *yuv, int yuv_pitch, SDL_Surface *surface)
+{
+    const int tolerance = 20;
+    const int size = (surface->h * surface->pitch);
+    Uint8 *rgb;
+    SDL_bool result = SDL_FALSE;
+
+    rgb = (Uint8 *)SDL_malloc(size);
+    if (!rgb) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Out of memory");
+        return SDL_FALSE;
+    }
+
+    if (SDL_ConvertPixels(surface->w, surface->h, format, yuv, yuv_pitch, surface->format->format, rgb, surface->pitch) == 0) {
+        int x, y;
+        result = SDL_TRUE;
+        for (y = 0; y < surface->h; ++y) {
+            const Uint8 *actual = rgb + y * surface->pitch;
+            const Uint8 *expected = (const Uint8 *)surface->pixels + y * surface->pitch;
+            for (x = 0; x < surface->w; ++x) {
+                int deltaR = (int)actual[0] - expected[0];
+                int deltaG = (int)actual[1] - expected[1];
+                int deltaB = (int)actual[2] - expected[2];
+                int distance = (deltaR * deltaR + deltaG * deltaG + deltaB * deltaB);
+                if (distance > tolerance) {
+                    SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Pixel at %d,%d was 0x%.2x,0x%.2x,0x%.2x, expected 0x%.2x,0x%.2x,0x%.2x, distance = %d\n", x, y, actual[0], actual[1], actual[2], expected[0], expected[1], expected[2], distance);
+                    result = SDL_FALSE;
+                }
+                actual += 3;
+                expected += 3;
+            }
+        }
+    } else {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't convert %s to %s: %s\n", SDL_GetPixelFormatName(format), SDL_GetPixelFormatName(surface->format->format), SDL_GetError());
+    }
+    SDL_free(rgb);
+
+    return result;
+}
+
+static int run_automated_tests(int pattern_size, int extra_pitch)
+{
+    const Uint32 formats[] = {
+        SDL_PIXELFORMAT_YV12,
+        SDL_PIXELFORMAT_IYUV,
+        SDL_PIXELFORMAT_NV12,
+        SDL_PIXELFORMAT_NV21,
+        SDL_PIXELFORMAT_YUY2,
+        SDL_PIXELFORMAT_UYVY,
+        SDL_PIXELFORMAT_YVYU
+    };
+    int i, j;
+    SDL_Surface *pattern = generate_test_pattern(pattern_size);
+    const int yuv_len = MAX_YUV_SURFACE_SIZE(pattern->w, pattern->h, extra_pitch);
+    Uint8 *yuv1 = (Uint8 *)SDL_malloc(yuv_len);
+    Uint8 *yuv2 = (Uint8 *)SDL_malloc(yuv_len);
+    int yuv1_pitch, yuv2_pitch;
+    int result = -1;
+    
+    if (!pattern || !yuv1 || !yuv2) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't allocate test surfaces");
+        goto done;
+    }
+
+    /* Verify conversion from YUV formats */
+    for (i = 0; i < SDL_arraysize(formats); ++i) {
+        if (!ConvertRGBtoYUV(formats[i], pattern->pixels, pattern->pitch, yuv1, pattern->w, pattern->h, SDL_GetYUVConversionModeForResolution(pattern->w, pattern->h), 0, 100)) {
+            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "ConvertRGBtoYUV() doesn't support converting to %s\n", SDL_GetPixelFormatName(formats[i]));
+            goto done;
+        }
+        yuv1_pitch = CalculateYUVPitch(formats[i], pattern->w);
+        if (!verify_yuv_data(formats[i], yuv1, yuv1_pitch, pattern)) {
+            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed conversion from %s to RGB\n", SDL_GetPixelFormatName(formats[i]));
+            goto done;
+        }
+    }
+
+    /* Verify conversion to YUV formats */
+    for (i = 0; i < SDL_arraysize(formats); ++i) {
+        yuv1_pitch = CalculateYUVPitch(formats[i], pattern->w) + extra_pitch;
+        if (SDL_ConvertPixels(pattern->w, pattern->h, pattern->format->format, pattern->pixels, pattern->pitch, formats[i], yuv1, yuv1_pitch) < 0) {
+            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't convert %s to %s: %s\n", SDL_GetPixelFormatName(pattern->format->format), SDL_GetPixelFormatName(formats[i]), SDL_GetError());
+            goto done;
+        }
+        if (!verify_yuv_data(formats[i], yuv1, yuv1_pitch, pattern)) {
+            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed conversion from RGB to %s\n", SDL_GetPixelFormatName(formats[i]));
+            goto done;
+        }
+    }
+
+    /* Verify conversion between YUV formats */
+    for (i = 0; i < SDL_arraysize(formats); ++i) {
+        for (j = 0; j < SDL_arraysize(formats); ++j) {
+            yuv1_pitch = CalculateYUVPitch(formats[i], pattern->w) + extra_pitch;
+            yuv2_pitch = CalculateYUVPitch(formats[j], pattern->w) + extra_pitch;
+            if (SDL_ConvertPixels(pattern->w, pattern->h, pattern->format->format, pattern->pixels, pattern->pitch, formats[i], yuv1, yuv1_pitch) < 0) {
+                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't convert %s to %s: %s\n", SDL_GetPixelFormatName(pattern->format->format), SDL_GetPixelFormatName(formats[i]), SDL_GetError());
+                goto done;
+            }
+            if (SDL_ConvertPixels(pattern->w, pattern->h, formats[i], yuv1, yuv1_pitch, formats[j], yuv2, yuv2_pitch) < 0) {
+                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't convert %s to %s: %s\n", SDL_GetPixelFormatName(formats[i]), SDL_GetPixelFormatName(formats[j]), SDL_GetError());
+                goto done;
+            }
+            if (!verify_yuv_data(formats[j], yuv2, yuv2_pitch, pattern)) {
+                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed conversion from %s to %s\n", SDL_GetPixelFormatName(formats[i]), SDL_GetPixelFormatName(formats[j]));
+                goto done;
+            }
+        }
+    }
+
+    /* Verify conversion between YUV formats in-place */
+    for (i = 0; i < SDL_arraysize(formats); ++i) {
+        for (j = 0; j < SDL_arraysize(formats); ++j) {
+            if (is_packed_yuv_format(formats[i]) != is_packed_yuv_format(formats[j])) {
+                /* Can't change plane vs packed pixel layout in-place */
+                continue;
+            }
+
+            yuv1_pitch = CalculateYUVPitch(formats[i], pattern->w) + extra_pitch;
+            yuv2_pitch = CalculateYUVPitch(formats[j], pattern->w) + extra_pitch;
+            if (SDL_ConvertPixels(pattern->w, pattern->h, pattern->format->format, pattern->pixels, pattern->pitch, formats[i], yuv1, yuv1_pitch) < 0) {
+                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't convert %s to %s: %s\n", SDL_GetPixelFormatName(pattern->format->format), SDL_GetPixelFormatName(formats[i]), SDL_GetError());
+                goto done;
+            }
+            if (SDL_ConvertPixels(pattern->w, pattern->h, formats[i], yuv1, yuv1_pitch, formats[j], yuv1, yuv2_pitch) < 0) {
+                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't convert %s to %s: %s\n", SDL_GetPixelFormatName(formats[i]), SDL_GetPixelFormatName(formats[j]), SDL_GetError());
+                goto done;
+            }
+            if (!verify_yuv_data(formats[j], yuv1, yuv2_pitch, pattern)) {
+                SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Failed conversion from %s to %s\n", SDL_GetPixelFormatName(formats[i]), SDL_GetPixelFormatName(formats[j]));
+                goto done;
+            }
+        }
+    }
+
+
+    result = 0;
+
+done:
+    SDL_free(yuv1);
+    SDL_free(yuv2);
+    SDL_FreeSurface(pattern);
+    return result;
+}
+
+int
+main(int argc, char **argv)
+{
+    struct {
+        SDL_bool enable_intrinsics;
+        int pattern_size;
+        int extra_pitch;
+    } automated_test_params[] = {
+        /* Test: even width and height */
+        { SDL_FALSE, 2, 0 },
+        { SDL_FALSE, 4, 0 },
+        /* Test: odd width and height */
+        { SDL_FALSE, 1, 0 },
+        { SDL_FALSE, 3, 0 },
+        /* Test: even width and height, extra pitch */
+        { SDL_FALSE, 2, 3 },
+        { SDL_FALSE, 4, 3 },
+        /* Test: odd width and height, extra pitch */
+        { SDL_FALSE, 1, 3 },
+        { SDL_FALSE, 3, 3 },
+        /* Test: even width and height with intrinsics */
+        { SDL_TRUE, 32, 0 },
+        /* Test: odd width and height with intrinsics */
+        { SDL_TRUE, 33, 0 },
+        { SDL_TRUE, 37, 0 },
+        /* Test: even width and height with intrinsics, extra pitch */
+        { SDL_TRUE, 32, 3 },
+        /* Test: odd width and height with intrinsics, extra pitch */
+        { SDL_TRUE, 33, 3 },
+        { SDL_TRUE, 37, 3 },
+    };
+    int arg = 1;
+    const char *filename;
+    SDL_Surface *original;
+    SDL_Surface *converted;
+    SDL_Window *window;
+    SDL_Renderer *renderer;
+    SDL_Texture *output[3];
+    const char *titles[3] = { "ORIGINAL", "SOFTWARE", "HARDWARE" };
+    char title[128];
+    const char *yuv_name;
+    const char *yuv_mode;
+    Uint32 rgb_format = SDL_PIXELFORMAT_RGBX8888;
+    Uint32 yuv_format = SDL_PIXELFORMAT_YV12;
+    int current = 0;
+    int pitch;
+    Uint8 *raw_yuv;
+    Uint32 then, now, i, iterations = 100;
+    SDL_bool should_run_automated_tests = SDL_FALSE;
+
+    while (argv[arg] && *argv[arg] == '-') {
+        if (SDL_strcmp(argv[arg], "--jpeg") == 0) {
+            SDL_SetYUVConversionMode(SDL_YUV_CONVERSION_JPEG);
+        } else if (SDL_strcmp(argv[arg], "--bt601") == 0) {
+            SDL_SetYUVConversionMode(SDL_YUV_CONVERSION_BT601);
+        } else if (SDL_strcmp(argv[arg], "--bt709") == 0) {
+            SDL_SetYUVConversionMode(SDL_YUV_CONVERSION_BT709);
+        } else if (SDL_strcmp(argv[arg], "--auto") == 0) {
+            SDL_SetYUVConversionMode(SDL_YUV_CONVERSION_AUTOMATIC);
+        } else if (SDL_strcmp(argv[arg], "--yv12") == 0) {
+            yuv_format = SDL_PIXELFORMAT_YV12;
+        } else if (SDL_strcmp(argv[arg], "--iyuv") == 0) {
+            yuv_format = SDL_PIXELFORMAT_IYUV;
+        } else if (SDL_strcmp(argv[arg], "--yuy2") == 0) {
+            yuv_format = SDL_PIXELFORMAT_YUY2;
+        } else if (SDL_strcmp(argv[arg], "--uyvy") == 0) {
+            yuv_format = SDL_PIXELFORMAT_UYVY;
+        } else if (SDL_strcmp(argv[arg], "--yvyu") == 0) {
+            yuv_format = SDL_PIXELFORMAT_YVYU;
+        } else if (SDL_strcmp(argv[arg], "--nv12") == 0) {
+            yuv_format = SDL_PIXELFORMAT_NV12;
+        } else if (SDL_strcmp(argv[arg], "--nv21") == 0) {
+            yuv_format = SDL_PIXELFORMAT_NV21;
+        } else if (SDL_strcmp(argv[arg], "--rgb555") == 0) {
+            rgb_format = SDL_PIXELFORMAT_RGB555;
+        } else if (SDL_strcmp(argv[arg], "--rgb565") == 0) {
+            rgb_format = SDL_PIXELFORMAT_RGB565;
+        } else if (SDL_strcmp(argv[arg], "--rgb24") == 0) {
+            rgb_format = SDL_PIXELFORMAT_RGB24;
+        } else if (SDL_strcmp(argv[arg], "--argb") == 0) {
+            rgb_format = SDL_PIXELFORMAT_ARGB8888;
+        } else if (SDL_strcmp(argv[arg], "--abgr") == 0) {
+            rgb_format = SDL_PIXELFORMAT_ABGR8888;
+        } else if (SDL_strcmp(argv[arg], "--rgba") == 0) {
+            rgb_format = SDL_PIXELFORMAT_RGBA8888;
+        } else if (SDL_strcmp(argv[arg], "--bgra") == 0) {
+            rgb_format = SDL_PIXELFORMAT_BGRA8888;
+        } else if (SDL_strcmp(argv[arg], "--automated") == 0) {
+            should_run_automated_tests = SDL_TRUE;
+        } else {
+            SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Usage: %s [--jpeg|--bt601|-bt709|--auto] [--yv12|--iyuv|--yuy2|--uyvy|--yvyu|--nv12|--nv21] [--rgb555|--rgb565|--rgb24|--argb|--abgr|--rgba|--bgra] [image_filename]\n", argv[0]);
+            return 1;
+        }
+        ++arg;
+    }
+
+    /* Run automated tests */
+    if (should_run_automated_tests) {
+        for (i = 0; i < SDL_arraysize(automated_test_params); ++i) {
+            SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, "Running automated test, pattern size %d, extra pitch %d, intrinsics %s\n", 
+                automated_test_params[i].pattern_size,
+                automated_test_params[i].extra_pitch,
+                automated_test_params[i].enable_intrinsics ? "enabled" : "disabled");
+            if (run_automated_tests(automated_test_params[i].pattern_size, automated_test_params[i].extra_pitch) < 0) {
+                return 2;
+            }
+        }
+        return 0;
+    }
+
+    if (argv[arg]) {
+        filename = argv[arg];
+    } else {
+        filename = "testyuv.bmp";
+    }
+    original = SDL_ConvertSurfaceFormat(SDL_LoadBMP(filename), SDL_PIXELFORMAT_RGB24, 0);
+    if (!original) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't load %s: %s\n", filename, SDL_GetError());
+        return 3;
+    }
+
+    raw_yuv = SDL_calloc(1, MAX_YUV_SURFACE_SIZE(original->w, original->h, 0));
+    ConvertRGBtoYUV(yuv_format, original->pixels, original->pitch, raw_yuv, original->w, original->h,
+        SDL_GetYUVConversionModeForResolution(original->w, original->h),
+        0, 100);
+    pitch = CalculateYUVPitch(yuv_format, original->w);
+
+    converted = SDL_CreateRGBSurfaceWithFormat(0, original->w, original->h, 0, rgb_format);
+    if (!converted) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create converted surface: %s\n", SDL_GetError());
+        return 3;
+    }
+
+    then = SDL_GetTicks();
+    for ( i = 0; i < iterations; ++i ) {
+        SDL_ConvertPixels(original->w, original->h, yuv_format, raw_yuv, pitch, rgb_format, converted->pixels, converted->pitch);
+    }
+    now = SDL_GetTicks();
+    SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, "%d iterations in %d ms, %.2fms each\n", iterations, (now - then), (float)(now - then)/iterations);
+
+    window = SDL_CreateWindow("YUV test",
+                              SDL_WINDOWPOS_UNDEFINED,
+                              SDL_WINDOWPOS_UNDEFINED,
+                              original->w, original->h,
+                              0);
+    if (!window) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create window: %s\n", SDL_GetError());
+        return 4;
+    }
+
+    renderer = SDL_CreateRenderer(window, -1, 0);
+    if (!renderer) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create renderer: %s\n", SDL_GetError());
+        return 4;
+    }
+
+    output[0] = SDL_CreateTextureFromSurface(renderer, original);
+    output[1] = SDL_CreateTextureFromSurface(renderer, converted);
+    output[2] = SDL_CreateTexture(renderer, yuv_format, SDL_TEXTUREACCESS_STREAMING, original->w, original->h);
+    if (!output[0] || !output[1] || !output[2]) {
+        SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't set create texture: %s\n", SDL_GetError());
+        return 5;
+    }
+    SDL_UpdateTexture(output[2], NULL, raw_yuv, pitch);
+    
+    yuv_name = SDL_GetPixelFormatName(yuv_format);
+    if (SDL_strncmp(yuv_name, "SDL_PIXELFORMAT_", 16) == 0) {
+        yuv_name += 16;
+    }
+
+    switch (SDL_GetYUVConversionModeForResolution(original->w, original->h)) {
+    case SDL_YUV_CONVERSION_JPEG:
+        yuv_mode = "JPEG";
+        break;
+    case SDL_YUV_CONVERSION_BT601:
+        yuv_mode = "BT.601";
+        break;
+    case SDL_YUV_CONVERSION_BT709:
+        yuv_mode = "BT.709";
+        break;
+    default:
+        yuv_mode = "UNKNOWN";
+        break;
+    }
+
+    { int done = 0;
+        while ( !done )
+        {
+            SDL_Event event;
+            while (SDL_PollEvent(&event) > 0) {
+                if (event.type == SDL_QUIT) {
+                    done = 1;
+                }
+                if (event.type == SDL_KEYDOWN) {
+                    if (event.key.keysym.sym == SDLK_ESCAPE) {
+                        done = 1;
+                    } else if (event.key.keysym.sym == SDLK_LEFT) {
+                        --current;
+                    } else if (event.key.keysym.sym == SDLK_RIGHT) {
+                        ++current;
+                    }
+                }
+                if (event.type == SDL_MOUSEBUTTONDOWN) {
+                    if (event.button.x < (original->w/2)) {
+                        --current;
+                    } else {
+                        ++current;
+                    }
+                }
+            }
+
+            /* Handle wrapping */
+            if (current < 0) {
+                current += SDL_arraysize(output);
+            }
+            if (current >= SDL_arraysize(output)) {
+                current -= SDL_arraysize(output);
+            }
+
+            SDL_RenderClear(renderer);
+            SDL_RenderCopy(renderer, output[current], NULL, NULL);
+            SDL_SetRenderDrawColor(renderer, 0xFF, 0xFF, 0xFF, 0xFF);
+            if (current == 0) {
+                SDLTest_DrawString(renderer, 4, 4, titles[current]);
+            } else {
+                SDL_snprintf(title, sizeof(title), "%s %s %s", titles[current], yuv_name, yuv_mode);
+                SDLTest_DrawString(renderer, 4, 4, title);
+            }
+            SDL_RenderPresent(renderer);
+            SDL_Delay(10);
+        }
+    }
+    SDL_Quit();
+    return 0;
+}
+
+/* vi: set ts=4 sw=4 expandtab: */
diff --git a/libs/SDL2/test/testyuv_cvt.c b/libs/SDL2/test/testyuv_cvt.c
new file mode 100644
index 0000000000000000000000000000000000000000..553a3fa185de6647db5f9386a4fbe3a8695c63b9
--- /dev/null
+++ b/libs/SDL2/test/testyuv_cvt.c
@@ -0,0 +1,300 @@
+/*
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely.
+*/
+
+#include "SDL.h"
+
+#include "testyuv_cvt.h"
+
+
+static float clip3(float x, float y, float z)
+{
+    return ((z < x) ? x : ((z > y) ? y : z));
+}
+
+static void RGBtoYUV(Uint8 * rgb, int *yuv, SDL_YUV_CONVERSION_MODE mode, int monochrome, int luminance)
+{
+    if (mode == SDL_YUV_CONVERSION_JPEG) {
+        /* Full range YUV */
+        yuv[0] = (int)(0.299 * rgb[0] + 0.587 * rgb[1] + 0.114 * rgb[2]);
+        yuv[1] = (int)((rgb[2] - yuv[0]) * 0.565 + 128);
+        yuv[2] = (int)((rgb[0] - yuv[0]) * 0.713 + 128);
+    } else {
+        // This formula is from Microsoft's documentation:
+        // https://msdn.microsoft.com/en-us/library/windows/desktop/dd206750(v=vs.85).aspx
+        // L = Kr * R + Kb * B + (1 - Kr - Kb) * G
+        // Y =                   floor(2^(M-8) * (219*(L-Z)/S + 16) + 0.5);
+        // U = clip3(0, (2^M)-1, floor(2^(M-8) * (112*(B-L) / ((1-Kb)*S) + 128) + 0.5));
+        // V = clip3(0, (2^M)-1, floor(2^(M-8) * (112*(R-L) / ((1-Kr)*S) + 128) + 0.5));
+        float S, Z, R, G, B, L, Kr, Kb, Y, U, V;
+
+        if (mode == SDL_YUV_CONVERSION_BT709) {
+            /* BT.709 */
+            Kr = 0.2126f;
+            Kb = 0.0722f;
+        } else {
+            /* BT.601 */
+            Kr = 0.299f;
+            Kb = 0.114f;
+        }
+
+        S = 255.0f;
+        Z = 0.0f;
+        R = rgb[0];
+        G = rgb[1];
+        B = rgb[2];
+        L = Kr * R + Kb * B + (1 - Kr - Kb) * G;
+        Y = (Uint8)SDL_floorf((219*(L-Z)/S + 16) + 0.5f);
+        U = (Uint8)clip3(0, 255, SDL_floorf((112.0f*(B-L) / ((1.0f-Kb)*S) + 128) + 0.5f));
+        V = (Uint8)clip3(0, 255, SDL_floorf((112.0f*(R-L) / ((1.0f-Kr)*S) + 128) + 0.5f));
+
+        yuv[0] = (Uint8)Y;
+        yuv[1] = (Uint8)U;
+        yuv[2] = (Uint8)V;
+    }
+
+    if (monochrome) {
+        yuv[1] = 128;
+        yuv[2] = 128;
+    }
+
+    if (luminance != 100) {
+        yuv[0] = yuv[0] * luminance / 100;
+        if (yuv[0] > 255)
+            yuv[0] = 255;
+    }
+}
+
+static void ConvertRGBtoPlanar2x2(Uint32 format, Uint8 *src, int pitch, Uint8 *out, int w, int h, SDL_YUV_CONVERSION_MODE mode, int monochrome, int luminance)
+{
+    int x, y;
+    int yuv[4][3];
+    Uint8 *Y1, *Y2, *U, *V;
+    Uint8 *rgb1, *rgb2;
+    int rgb_row_advance = (pitch - w*3) + pitch;
+    int UV_advance;
+
+    rgb1 = src;
+    rgb2 = src + pitch;
+
+    Y1 = out;
+    Y2 = Y1 + w;
+    switch (format) {
+    case SDL_PIXELFORMAT_YV12:
+        V = (Y1 + h * w);
+        U = V + ((h + 1)/2)*((w + 1)/2);
+        UV_advance = 1;
+        break;
+    case SDL_PIXELFORMAT_IYUV:
+        U = (Y1 + h * w);
+        V = U + ((h + 1)/2)*((w + 1)/2);
+        UV_advance = 1;
+        break;
+    case SDL_PIXELFORMAT_NV12:
+        U = (Y1 + h * w);
+        V = U + 1;
+        UV_advance = 2;
+        break;
+    case SDL_PIXELFORMAT_NV21:
+        V = (Y1 + h * w);
+        U = V + 1;
+        UV_advance = 2;
+        break;
+    default:
+        SDL_assert(!"Unsupported planar YUV format");
+        return;
+    }
+
+    for (y = 0; y < (h - 1); y += 2) {
+        for (x = 0; x < (w - 1); x += 2) {
+            RGBtoYUV(rgb1, yuv[0], mode, monochrome, luminance);
+            rgb1 += 3;
+            *Y1++ = (Uint8)yuv[0][0];
+
+            RGBtoYUV(rgb1, yuv[1], mode, monochrome, luminance);
+            rgb1 += 3;
+            *Y1++ = (Uint8)yuv[1][0];
+
+            RGBtoYUV(rgb2, yuv[2], mode, monochrome, luminance);
+            rgb2 += 3;
+            *Y2++ = (Uint8)yuv[2][0];
+
+            RGBtoYUV(rgb2, yuv[3], mode, monochrome, luminance);
+            rgb2 += 3;
+            *Y2++ = (Uint8)yuv[3][0];
+
+            *U = (Uint8)SDL_floorf((yuv[0][1] + yuv[1][1] + yuv[2][1] + yuv[3][1])/4.0f + 0.5f);
+            U += UV_advance;
+
+            *V = (Uint8)SDL_floorf((yuv[0][2] + yuv[1][2] + yuv[2][2] + yuv[3][2])/4.0f + 0.5f);
+            V += UV_advance;
+        }
+        /* Last column */
+        if (x == (w - 1)) {
+            RGBtoYUV(rgb1, yuv[0], mode, monochrome, luminance);
+            rgb1 += 3;
+            *Y1++ = (Uint8)yuv[0][0];
+
+            RGBtoYUV(rgb2, yuv[2], mode, monochrome, luminance);
+            rgb2 += 3;
+            *Y2++ = (Uint8)yuv[2][0];
+
+            *U = (Uint8)SDL_floorf((yuv[0][1] + yuv[2][1])/2.0f + 0.5f);
+            U += UV_advance;
+
+            *V = (Uint8)SDL_floorf((yuv[0][2] + yuv[2][2])/2.0f + 0.5f);
+            V += UV_advance;
+        }
+        Y1 += w;
+        Y2 += w;
+        rgb1 += rgb_row_advance;
+        rgb2 += rgb_row_advance;
+    }
+    /* Last row */
+    if (y == (h - 1)) {
+        for (x = 0; x < (w - 1); x += 2) {
+            RGBtoYUV(rgb1, yuv[0], mode, monochrome, luminance);
+            rgb1 += 3;
+            *Y1++ = (Uint8)yuv[0][0];
+
+            RGBtoYUV(rgb1, yuv[1], mode, monochrome, luminance);
+            rgb1 += 3;
+            *Y1++ = (Uint8)yuv[1][0];
+
+            *U = (Uint8)SDL_floorf((yuv[0][1] + yuv[1][1])/2.0f + 0.5f);
+            U += UV_advance;
+
+            *V = (Uint8)SDL_floorf((yuv[0][2] + yuv[1][2])/2.0f + 0.5f);
+            V += UV_advance;
+        }
+        /* Last column */
+        if (x == (w - 1)) {
+            RGBtoYUV(rgb1, yuv[0], mode, monochrome, luminance);
+            *Y1++ = (Uint8)yuv[0][0];
+
+            *U = (Uint8)yuv[0][1];
+            U += UV_advance;
+
+            *V = (Uint8)yuv[0][2];
+            V += UV_advance;
+        }
+    }
+}
+
+static void ConvertRGBtoPacked4(Uint32 format, Uint8 *src, int pitch, Uint8 *out, int w, int h, SDL_YUV_CONVERSION_MODE mode, int monochrome, int luminance)
+{
+    int x, y;
+    int yuv[2][3];
+    Uint8 *Y1, *Y2, *U, *V;
+    Uint8 *rgb;
+    int rgb_row_advance = (pitch - w*3);
+
+    rgb = src;
+
+    switch (format) {
+    case SDL_PIXELFORMAT_YUY2:
+        Y1 = out;
+        U = out+1;
+        Y2 = out+2;
+        V = out+3;
+        break;
+    case SDL_PIXELFORMAT_UYVY:
+        U = out;
+        Y1 = out+1;
+        V = out+2;
+        Y2 = out+3;
+        break;
+    case SDL_PIXELFORMAT_YVYU:
+        Y1 = out;
+        V = out+1;
+        Y2 = out+2;
+        U = out+3;
+        break;
+    default:
+        SDL_assert(!"Unsupported packed YUV format");
+        return;
+    }
+
+    for (y = 0; y < h; ++y) {
+        for (x = 0; x < (w - 1); x += 2) {
+            RGBtoYUV(rgb, yuv[0], mode, monochrome, luminance);
+            rgb += 3;
+            *Y1 = (Uint8)yuv[0][0];
+            Y1 += 4;
+
+            RGBtoYUV(rgb, yuv[1], mode, monochrome, luminance);
+            rgb += 3;
+            *Y2 = (Uint8)yuv[1][0];
+            Y2 += 4;
+
+            *U = (Uint8)SDL_floorf((yuv[0][1] + yuv[1][1])/2.0f + 0.5f);
+            U += 4;
+
+            *V = (Uint8)SDL_floorf((yuv[0][2] + yuv[1][2])/2.0f + 0.5f);
+            V += 4;
+        }
+        /* Last column */
+        if (x == (w - 1)) {
+            RGBtoYUV(rgb, yuv[0], mode, monochrome, luminance);
+            rgb += 3;
+            *Y2 = *Y1 = (Uint8)yuv[0][0];
+            Y1 += 4;
+            Y2 += 4;
+
+            *U = (Uint8)yuv[0][1];
+            U += 4;
+
+            *V = (Uint8)yuv[0][2];
+            V += 4;
+        }
+        rgb += rgb_row_advance;
+    }
+}
+
+SDL_bool ConvertRGBtoYUV(Uint32 format, Uint8 *src, int pitch, Uint8 *out, int w, int h, SDL_YUV_CONVERSION_MODE mode, int monochrome, int luminance)
+{
+    switch (format)
+    {
+    case SDL_PIXELFORMAT_YV12:
+    case SDL_PIXELFORMAT_IYUV:
+    case SDL_PIXELFORMAT_NV12:
+    case SDL_PIXELFORMAT_NV21:
+        ConvertRGBtoPlanar2x2(format, src, pitch, out, w, h, mode, monochrome, luminance);
+        return SDL_TRUE;
+    case SDL_PIXELFORMAT_YUY2:
+    case SDL_PIXELFORMAT_UYVY:
+    case SDL_PIXELFORMAT_YVYU:
+        ConvertRGBtoPacked4(format, src, pitch, out, w, h, mode, monochrome, luminance);
+        return SDL_TRUE;
+    default:
+        return SDL_FALSE;
+    }
+}
+
+int CalculateYUVPitch(Uint32 format, int width)
+{
+    switch (format)
+    {
+    case SDL_PIXELFORMAT_YV12:
+    case SDL_PIXELFORMAT_IYUV:
+    case SDL_PIXELFORMAT_NV12:
+    case SDL_PIXELFORMAT_NV21:
+        return width;
+    case SDL_PIXELFORMAT_YUY2:
+    case SDL_PIXELFORMAT_UYVY:
+    case SDL_PIXELFORMAT_YVYU:
+        return 4*((width + 1)/2);
+    default:
+        return 0;
+    }
+}
+
+/* vi: set ts=4 sw=4 expandtab: */
diff --git a/libs/SDL2/test/testyuv_cvt.h b/libs/SDL2/test/testyuv_cvt.h
new file mode 100644
index 0000000000000000000000000000000000000000..bd845878f4607518d2a32746c61e28e2555d82b8
--- /dev/null
+++ b/libs/SDL2/test/testyuv_cvt.h
@@ -0,0 +1,16 @@
+/*
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely.
+*/
+
+/* These functions are designed for testing correctness, not for speed */
+
+extern SDL_bool ConvertRGBtoYUV(Uint32 format, Uint8 *src, int pitch, Uint8 *out, int w, int h, SDL_YUV_CONVERSION_MODE mode, int monochrome, int luminance);
+extern int CalculateYUVPitch(Uint32 format, int width);
diff --git a/libs/SDL2/test/torturethread.c b/libs/SDL2/test/torturethread.c
index 4c2679b8ebd749f729918965cacea63754e5a328..9b1a407eea2dfe167ef5e662079f1bce9f624468 100644
--- a/libs/SDL2/test/torturethread.c
+++ b/libs/SDL2/test/torturethread.c
@@ -1,5 +1,5 @@
 /*
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/bin/SDL2.dll b/libs/SDL2/x86_64-w64-mingw32/bin/SDL2.dll
index 6776cdd891ea4479c662519a1667ddc08ca5a8ef..934f8091c7d59b5d479026cfab1ec45d9077fff1 100755
Binary files a/libs/SDL2/x86_64-w64-mingw32/bin/SDL2.dll and b/libs/SDL2/x86_64-w64-mingw32/bin/SDL2.dll differ
diff --git a/libs/SDL2/x86_64-w64-mingw32/bin/sdl2-config b/libs/SDL2/x86_64-w64-mingw32/bin/sdl2-config
index 34d3cb87742057ac1bbc25d362470cc998ff7ee7..9809f6002224622f26ee76a054673fc9cadd7249 100755
--- a/libs/SDL2/x86_64-w64-mingw32/bin/sdl2-config
+++ b/libs/SDL2/x86_64-w64-mingw32/bin/sdl2-config
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-prefix=/usr/local/x86_64-w64-mingw32
+prefix=/opt/local/x86_64-w64-mingw32
 exec_prefix=${prefix}
 exec_prefix_set=no
 libdir=${exec_prefix}/lib
@@ -39,17 +39,17 @@ while test $# -gt 0; do
       echo $exec_prefix
       ;;
     --version)
-      echo 2.0.7
+      echo 2.0.9
       ;;
     --cflags)
       echo -I${prefix}/include/SDL2  -Dmain=SDL_main
       ;;
     --libs)
-      echo -L${exec_prefix}/lib  -lmingw32 -lSDL2main -lSDL2  -mwindows
+      echo -L${exec_prefix}/lib  -lmingw32 -lSDL2main -lSDL2 -mwindows
       ;;
     --static-libs)
 #    --libs|--static-libs)
-      echo -L${exec_prefix}/lib  -lmingw32 -lSDL2main -lSDL2  -mwindows  -Wl,--no-undefined -lm -ldinput8 -ldxguid -ldxerr8 -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion -luuid -static-libgcc
+      echo -L${exec_prefix}/lib  -lmingw32 -lSDL2main -lSDL2 -mwindows  -Wl,--no-undefined -lm -ldinput8 -ldxguid -ldxerr8 -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lsetupapi -lversion -luuid -static-libgcc
       ;;
     *)
       echo "${usage}" 1>&2
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL.h
index 366d50fa39095f0185247d490b31753351ef887c..fc35a419efd9076076aca339303a2937d5e6ada7 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -51,6 +51,7 @@
 #include "SDL_power.h"
 #include "SDL_render.h"
 #include "SDL_rwops.h"
+#include "SDL_sensor.h"
 #include "SDL_shape.h"
 #include "SDL_system.h"
 #include "SDL_thread.h"
@@ -80,10 +81,11 @@ extern "C" {
 #define SDL_INIT_HAPTIC         0x00001000u
 #define SDL_INIT_GAMECONTROLLER 0x00002000u  /**< SDL_INIT_GAMECONTROLLER implies SDL_INIT_JOYSTICK */
 #define SDL_INIT_EVENTS         0x00004000u
+#define SDL_INIT_SENSOR         0x00008000u
 #define SDL_INIT_NOPARACHUTE    0x00100000u  /**< compatibility; this flag is ignored. */
 #define SDL_INIT_EVERYTHING ( \
                 SDL_INIT_TIMER | SDL_INIT_AUDIO | SDL_INIT_VIDEO | SDL_INIT_EVENTS | \
-                SDL_INIT_JOYSTICK | SDL_INIT_HAPTIC | SDL_INIT_GAMECONTROLLER \
+                SDL_INIT_JOYSTICK | SDL_INIT_HAPTIC | SDL_INIT_GAMECONTROLLER | SDL_INIT_SENSOR \
             )
 /* @} */
 
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_assert.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_assert.h
index 90abbe39b6f1e5bd7e0bfa3d54b00954efe06e9a..b38f928ae14bb68e916bae1048a4c8648a1a20d8 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_assert.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_assert.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_atomic.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_atomic.h
index 36e37f3b786840231bf87fddf563c695037c7fc5..b2287748c8f87973ef2aef5093812c0065b89725 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_atomic.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_atomic.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -158,6 +158,9 @@ extern DECLSPEC void SDLCALL SDL_MemoryBarrierAcquireFunction(void);
 #if defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))
 #define SDL_MemoryBarrierRelease()   __asm__ __volatile__ ("lwsync" : : : "memory")
 #define SDL_MemoryBarrierAcquire()   __asm__ __volatile__ ("lwsync" : : : "memory")
+#elif defined(__GNUC__) && defined(__aarch64__)
+#define SDL_MemoryBarrierRelease()   __asm__ __volatile__ ("dmb ish" : : : "memory")
+#define SDL_MemoryBarrierAcquire()   __asm__ __volatile__ ("dmb ish" : : : "memory")
 #elif defined(__GNUC__) && defined(__arm__)
 #if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7EM__) || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7S__)
 #define SDL_MemoryBarrierRelease()   __asm__ __volatile__ ("dmb ish" : : : "memory")
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_audio.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_audio.h
index f119c2b2678fc531efe1d3ecc8b1f1751169de53..d3e1bface4d406c3d6c1c3f141a36a3fce8e926b 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_audio.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_audio.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -140,7 +140,8 @@ typedef Uint16 SDL_AudioFormat;
 #define SDL_AUDIO_ALLOW_FREQUENCY_CHANGE    0x00000001
 #define SDL_AUDIO_ALLOW_FORMAT_CHANGE       0x00000002
 #define SDL_AUDIO_ALLOW_CHANNELS_CHANGE     0x00000004
-#define SDL_AUDIO_ALLOW_ANY_CHANGE          (SDL_AUDIO_ALLOW_FREQUENCY_CHANGE|SDL_AUDIO_ALLOW_FORMAT_CHANGE|SDL_AUDIO_ALLOW_CHANNELS_CHANGE)
+#define SDL_AUDIO_ALLOW_SAMPLES_CHANGE      0x00000008
+#define SDL_AUDIO_ALLOW_ANY_CHANGE          (SDL_AUDIO_ALLOW_FREQUENCY_CHANGE|SDL_AUDIO_ALLOW_FORMAT_CHANGE|SDL_AUDIO_ALLOW_CHANNELS_CHANGE|SDL_AUDIO_ALLOW_SAMPLES_CHANGE)
 /* @} */
 
 /* @} *//* Audio flags */
@@ -527,7 +528,7 @@ extern DECLSPEC SDL_AudioStream * SDLCALL SDL_NewAudioStream(const SDL_AudioForm
  *
  *  \param stream The stream the audio data is being added to
  *  \param buf A pointer to the audio data to add
- *  \param int The number of bytes to write to the stream
+ *  \param len The number of bytes to write to the stream
  *  \return 0 on success, or -1 on error.
  *
  *  \sa SDL_NewAudioStream
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_bits.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_bits.h
index bc28572902181c1edf67998fe3800c0269b4c451..eb8322f0d0a181b364871c28df42010ead3f17b1 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_bits.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_bits.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_blendmode.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_blendmode.h
index 9abd0bd4cf11c6d4d9931a20f21db32e2af0cdc6..36a5ea76f0c52c4364cb5f156cdf7252c0441ecc 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_blendmode.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_blendmode.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_clipboard.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_clipboard.h
index 341f4ba42b17e2025a5a27ecaa3925e3f618c1ad..f28751ebb8ffe5c67f17ccab94f2a55165fea4c8 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_clipboard.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_clipboard.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_config.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_config.h
index 1bbb83848142162b87676b35e03d964d5bec56dd..c58be8e72ee0dbb9e73f94be9d8c2c595aa630e5 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_config.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_config.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -82,6 +82,9 @@ typedef unsigned int uintptr_t;
 #define HAVE_DSOUND_H 1
 #define HAVE_DXGI_H 1
 #define HAVE_XINPUT_H 1
+#define HAVE_MMDEVICEAPI_H 1
+#define HAVE_AUDIOCLIENT_H 1
+#define HAVE_ENDPOINTVOLUME_H 1
 
 /* This is disabled by default to avoid C runtime dependencies and manifest requirements */
 #ifdef HAVE_LIBC
@@ -109,13 +112,15 @@ typedef unsigned int uintptr_t;
 #define HAVE_MEMCMP 1
 #define HAVE_STRLEN 1
 #define HAVE__STRREV 1
-#define HAVE__STRUPR 1
-#define HAVE__STRLWR 1
+/* These functions have security warnings, so we won't use them */
+/* #undef HAVE__STRUPR */
+/* #undef HAVE__STRLWR */
 #define HAVE_STRCHR 1
 #define HAVE_STRRCHR 1
 #define HAVE_STRSTR 1
-#define HAVE__LTOA 1
-#define HAVE__ULTOA 1
+/* These functions have security warnings, so we won't use them */
+/* #undef HAVE__LTOA */
+/* #undef HAVE__ULTOA */
 #define HAVE_STRTOL 1
 #define HAVE_STRTOUL 1
 #define HAVE_STRTOD 1
@@ -125,30 +130,45 @@ typedef unsigned int uintptr_t;
 #define HAVE_STRNCMP 1
 #define HAVE__STRICMP 1
 #define HAVE__STRNICMP 1
-#define HAVE_ATAN 1
-#define HAVE_ATAN2 1
-#define HAVE_ACOS  1
-#define HAVE_ASIN  1
-#define HAVE_CEIL 1
-#define HAVE_COS 1
-#define HAVE_COSF 1
-#define HAVE_FABS 1
-#define HAVE_FLOOR 1
-#define HAVE_LOG 1
-#define HAVE_POW 1
-#define HAVE_SIN 1
-#define HAVE_SINF 1
-#define HAVE_SQRT 1
-#define HAVE_SQRTF 1
-#define HAVE_TAN 1
-#define HAVE_TANF 1
-#define HAVE__COPYSIGN 1
+#define HAVE_ACOS   1
+#define HAVE_ACOSF  1
+#define HAVE_ASIN   1
+#define HAVE_ASINF  1
+#define HAVE_ATAN   1
+#define HAVE_ATANF  1
+#define HAVE_ATAN2  1
+#define HAVE_ATAN2F 1
+#define HAVE_CEILF  1
+#define HAVE__COPYSIGN  1
+#define HAVE_COS    1
+#define HAVE_COSF   1
+#define HAVE_EXP    1
+#define HAVE_EXPF   1
+#define HAVE_FABS   1
+#define HAVE_FABSF  1
+#define HAVE_FLOOR  1
+#define HAVE_FLOORF 1
+#define HAVE_FMOD   1
+#define HAVE_FMODF  1
+#define HAVE_LOG    1
+#define HAVE_LOGF   1
+#define HAVE_LOG10  1
+#define HAVE_LOG10F 1
+#define HAVE_POW    1
+#define HAVE_POWF   1
+#define HAVE_SIN    1
+#define HAVE_SINF   1
+#define HAVE_SQRT   1
+#define HAVE_SQRTF  1
+#define HAVE_TAN    1
+#define HAVE_TANF   1
 #if defined(_MSC_VER)
 /* These functions were added with the VC++ 2013 C runtime library */
 #if _MSC_VER >= 1800
 #define HAVE_STRTOLL 1
 #define HAVE_VSSCANF 1
 #define HAVE_SCALBN 1
+#define HAVE_SCALBNF    1
 #endif
 /* This function is available with at least the VC++ 2008 C runtime library */
 #if _MSC_VER >= 1400
@@ -166,7 +186,6 @@ typedef unsigned int uintptr_t;
 /* Enable various audio drivers */
 #define SDL_AUDIO_DRIVER_WASAPI 1
 #define SDL_AUDIO_DRIVER_DSOUND 1
-#define SDL_AUDIO_DRIVER_XAUDIO2    0
 #define SDL_AUDIO_DRIVER_WINMM  1
 #define SDL_AUDIO_DRIVER_DISK   1
 #define SDL_AUDIO_DRIVER_DUMMY  1
@@ -174,9 +193,13 @@ typedef unsigned int uintptr_t;
 /* Enable various input drivers */
 #define SDL_JOYSTICK_DINPUT 1
 #define SDL_JOYSTICK_XINPUT 1
+#define SDL_JOYSTICK_HIDAPI 1
 #define SDL_HAPTIC_DINPUT   1
 #define SDL_HAPTIC_XINPUT   1
 
+/* Enable the dummy sensor driver */
+#define SDL_SENSOR_DUMMY  1
+
 /* Enable various shared object loading systems */
 #define SDL_LOADSO_WINDOWS  1
 
@@ -194,7 +217,7 @@ typedef unsigned int uintptr_t;
 #define SDL_VIDEO_RENDER_D3D    1
 #endif
 #ifndef SDL_VIDEO_RENDER_D3D11
-#define SDL_VIDEO_RENDER_D3D11	0
+#define SDL_VIDEO_RENDER_D3D11  0
 #endif
 
 /* Enable OpenGL support */
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_cpuinfo.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_cpuinfo.h
index 94b64b03bc5dd394af7f2ccfc5968fb1c0e9dfc5..ee3a47e841242fdae7e697f6b5de18a2a47c1ecf 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_cpuinfo.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_cpuinfo.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -51,27 +51,35 @@
 #include <intrin.h>
 #else
 #ifdef __ALTIVEC__
-#if HAVE_ALTIVEC_H && !defined(__APPLE_ALTIVEC__)
+#if defined(HAVE_ALTIVEC_H) && !defined(__APPLE_ALTIVEC__) && !defined(SDL_DISABLE_ALTIVEC_H)
 #include <altivec.h>
 #undef pixel
+#undef bool
 #endif
 #endif
-#ifdef __MMX__
-#include <mmintrin.h>
+#if defined(__ARM_NEON__) && !defined(SDL_DISABLE_ARM_NEON_H)
+#include <arm_neon.h>
 #endif
-#ifdef __3dNOW__
+#if defined(__3dNOW__) && !defined(SDL_DISABLE_MM3DNOW_H)
 #include <mm3dnow.h>
 #endif
-#ifdef __SSE__
+#if defined(HAVE_IMMINTRIN_H) && !defined(SDL_DISABLE_IMMINTRIN_H)
+#include <immintrin.h>
+#else
+#if defined(__MMX__) && !defined(SDL_DISABLE_MMINTRIN_H)
+#include <mmintrin.h>
+#endif
+#if defined(__SSE__) && !defined(SDL_DISABLE_XMMINTRIN_H)
 #include <xmmintrin.h>
 #endif
-#ifdef __SSE2__
+#if defined(__SSE2__) && !defined(SDL_DISABLE_EMMINTRIN_H)
 #include <emmintrin.h>
 #endif
-#ifdef __SSE3__
+#if defined(__SSE3__) && !defined(SDL_DISABLE_PMMINTRIN_H)
 #include <pmmintrin.h>
 #endif
-#endif
+#endif /* HAVE_IMMINTRIN_H */
+#endif /* compiler version */
 
 #include "begin_code.h"
 /* Set up for C function definitions, even when using C++ */
@@ -154,6 +162,11 @@ extern DECLSPEC SDL_bool SDLCALL SDL_HasAVX(void);
  */
 extern DECLSPEC SDL_bool SDLCALL SDL_HasAVX2(void);
 
+/**
+ *  This function returns true if the CPU has AVX-512F (foundation) features.
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_HasAVX512F(void);
+
 /**
  *  This function returns true if the CPU has NEON (ARM SIMD) features.
  */
@@ -164,7 +177,6 @@ extern DECLSPEC SDL_bool SDLCALL SDL_HasNEON(void);
  */
 extern DECLSPEC int SDLCALL SDL_GetSystemRAM(void);
 
-
 /* Ends C function definitions when using C++ */
 #ifdef __cplusplus
 }
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_egl.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_egl.h
index e47fbe8624700058a55aff35c8cd39081a19695f..d65ed437c33fe307657aca04f192de87e0ff55e9 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_egl.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_egl.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -24,7 +24,7 @@
  *
  *  This is a simple file to encapsulate the EGL API headers.
  */
-#ifndef _MSC_VER
+#if !defined(_MSC_VER) && !defined(__ANDROID__)
 
 #include <EGL/egl.h>
 #include <EGL/eglext.h>
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_endian.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_endian.h
index 3eda7f2871144111f5cdfb24e0d57dd988c440c4..ed0bf5ba8f94888115422d06601ff4200119a9e6 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_endian.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_endian.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_error.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_error.h
index 49be9827e182ae56227e8dde300b7e8c03f8cfb8..c0e46298e8ffdbc6cf6abc4381a7ba9e2dcf1a33 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_error.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_error.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_events.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_events.h
index 0fc09bc37d795c8b5a4c34bebf9c78134a4c499f..af22eb6466661378e252d090b1504471f74833a8 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_events.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_events.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -85,6 +85,9 @@ typedef enum
                                      Called on Android in onResume()
                                 */
 
+    /* Display events */
+    SDL_DISPLAYEVENT   = 0x150,  /**< Display state change */
+
     /* Window events */
     SDL_WINDOWEVENT    = 0x200, /**< Window state change */
     SDL_SYSWMEVENT,             /**< System specific event */
@@ -144,6 +147,9 @@ typedef enum
     SDL_AUDIODEVICEADDED = 0x1100, /**< A new audio device is available */
     SDL_AUDIODEVICEREMOVED,        /**< An audio device has been removed. */
 
+    /* Sensor events */
+    SDL_SENSORUPDATE = 0x1200,     /**< A sensor was updated */
+
     /* Render events */
     SDL_RENDER_TARGETS_RESET = 0x2000, /**< The render targets have been reset and their contents need to be updated */
     SDL_RENDER_DEVICE_RESET, /**< The device has been reset and all textures need to be recreated */
@@ -168,6 +174,21 @@ typedef struct SDL_CommonEvent
     Uint32 timestamp;   /**< In milliseconds, populated using SDL_GetTicks() */
 } SDL_CommonEvent;
 
+/**
+ *  \brief Display state change event data (event.display.*)
+ */
+typedef struct SDL_DisplayEvent
+{
+    Uint32 type;        /**< ::SDL_DISPLAYEVENT */
+    Uint32 timestamp;   /**< In milliseconds, populated using SDL_GetTicks() */
+    Uint32 display;     /**< The associated display index */
+    Uint8 event;        /**< ::SDL_DisplayEventID */
+    Uint8 padding1;
+    Uint8 padding2;
+    Uint8 padding3;
+    Sint32 data1;       /**< event dependent data */
+} SDL_DisplayEvent;
+
 /**
  *  \brief Window state change event data (event.window.*)
  */
@@ -471,6 +492,17 @@ typedef struct SDL_DropEvent
 } SDL_DropEvent;
 
 
+/**
+ *  \brief Sensor event structure (event.sensor.*)
+ */
+typedef struct SDL_SensorEvent
+{
+    Uint32 type;        /**< ::SDL_SENSORUPDATE */
+    Uint32 timestamp;   /**< In milliseconds, populated using SDL_GetTicks() */
+    Sint32 which;       /**< The instance ID of the sensor */
+    float data[6];      /**< Up to 6 values from the sensor - additional values can be queried using SDL_SensorGetData() */
+} SDL_SensorEvent;
+
 /**
  *  \brief The "quit requested" event
  */
@@ -526,6 +558,7 @@ typedef union SDL_Event
 {
     Uint32 type;                    /**< Event type, shared with all events */
     SDL_CommonEvent common;         /**< Common event data */
+    SDL_DisplayEvent display;       /**< Window event data */
     SDL_WindowEvent window;         /**< Window event data */
     SDL_KeyboardEvent key;          /**< Keyboard event data */
     SDL_TextEditingEvent edit;      /**< Text editing event data */
@@ -542,6 +575,7 @@ typedef union SDL_Event
     SDL_ControllerButtonEvent cbutton;  /**< Game Controller button event data */
     SDL_ControllerDeviceEvent cdevice;  /**< Game Controller device event data */
     SDL_AudioDeviceEvent adevice;   /**< Audio device event data */
+    SDL_SensorEvent sensor;         /**< Sensor event data */
     SDL_QuitEvent quit;             /**< Quit request event data */
     SDL_UserEvent user;             /**< Custom event data */
     SDL_SysWMEvent syswm;           /**< System dependent window event data */
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_filesystem.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_filesystem.h
index a1c846ad0f07b71a61a60c147c709c2dc6e2c15f..fa6a1fa6e7b2ad4b9e341f6cf71c4e7fca925586 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_filesystem.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_filesystem.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_gamecontroller.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_gamecontroller.h
index c9215132ef50a7f214b7b4bf248d6fc73c3ff3f4..6ae9c95428907172257a93dfd6074865891f6571 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_gamecontroller.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_gamecontroller.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -175,6 +175,14 @@ extern DECLSPEC SDL_bool SDLCALL SDL_IsGameController(int joystick_index);
  */
 extern DECLSPEC const char *SDLCALL SDL_GameControllerNameForIndex(int joystick_index);
 
+/**
+ *  Get the mapping of a game controller.
+ *  This can be called before any controllers are opened.
+ *
+ *  \return the mapping string.  Must be freed with SDL_free().  Returns NULL if no mapping is available
+ */
+extern DECLSPEC char *SDLCALL SDL_GameControllerMappingForDeviceIndex(int joystick_index);
+
 /**
  *  Open a game controller for use.
  *  The index passed as an argument refers to the N'th game controller on the system.
@@ -196,6 +204,13 @@ extern DECLSPEC SDL_GameController *SDLCALL SDL_GameControllerFromInstanceID(SDL
  */
 extern DECLSPEC const char *SDLCALL SDL_GameControllerName(SDL_GameController *gamecontroller);
 
+/**
+ *  Get the player index of an opened game controller, or -1 if it's not available
+ *
+ *  For XInput controllers this returns the XInput user index.
+ */
+extern DECLSPEC int SDLCALL SDL_GameControllerGetPlayerIndex(SDL_GameController *gamecontroller);
+
 /**
  *  Get the USB vendor ID of an opened controller, if available.
  *  If the vendor ID isn't available this function returns 0.
@@ -345,6 +360,19 @@ SDL_GameControllerGetBindForButton(SDL_GameController *gamecontroller,
 extern DECLSPEC Uint8 SDLCALL SDL_GameControllerGetButton(SDL_GameController *gamecontroller,
                                                           SDL_GameControllerButton button);
 
+/**
+ *  Trigger a rumble effect
+ *  Each call to this function cancels any previous rumble effect, and calling it with 0 intensity stops any rumbling.
+ *
+ *  \param gamecontroller The controller to vibrate
+ *  \param low_frequency_rumble The intensity of the low frequency (left) rumble motor, from 0 to 0xFFFF
+ *  \param high_frequency_rumble The intensity of the high frequency (right) rumble motor, from 0 to 0xFFFF
+ *  \param duration_ms The duration of the rumble effect, in milliseconds
+ *
+ *  \return 0, or -1 if rumble isn't supported on this joystick
+ */
+extern DECLSPEC int SDLCALL SDL_GameControllerRumble(SDL_GameController *gamecontroller, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms);
+
 /**
  *  Close a controller previously opened with SDL_GameControllerOpen().
  */
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_gesture.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_gesture.h
index 2bba6a7294fa93240d5f6eefbd8d16c5773761ea..b223d80d44c3debd2de55420aaf1e907d1a08919 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_gesture.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_gesture.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_haptic.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_haptic.h
index 60daefaa709bbbc0a1796bd9af6f9be073cacedd..2ea1bfc1602ee571b0ac3238b183117fcb20f25d 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_haptic.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_haptic.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -117,6 +117,17 @@
 extern "C" {
 #endif /* __cplusplus */
 
+/* FIXME: For SDL 2.1, adjust all the magnitude variables to be Uint16 (0xFFFF).
+ *
+ * At the moment the magnitude variables are mixed between signed/unsigned, and
+ * it is also not made clear that ALL of those variables expect a max of 0x7FFF.
+ *
+ * Some platforms may have higher precision than that (Linux FF, Windows XInput)
+ * so we should fix the inconsistency in favor of higher possible precision,
+ * adjusting for platforms that use different scales.
+ * -flibit
+ */
+
 /**
  *  \typedef SDL_Haptic
  *
@@ -656,8 +667,8 @@ typedef struct SDL_HapticRamp
  * This struct is exclusively for the ::SDL_HAPTIC_LEFTRIGHT effect.
  *
  * The Left/Right effect is used to explicitly control the large and small
- * motors, commonly found in modern game controllers. One motor is high
- * frequency, the other is low frequency.
+ * motors, commonly found in modern game controllers. The small (right) motor
+ * is high frequency, and the large (left) motor is low frequency.
  *
  * \sa SDL_HAPTIC_LEFTRIGHT
  * \sa SDL_HapticEffect
@@ -668,7 +679,7 @@ typedef struct SDL_HapticLeftRight
     Uint16 type;            /**< ::SDL_HAPTIC_LEFTRIGHT */
 
     /* Replay */
-    Uint32 length;          /**< Duration of the effect. */
+    Uint32 length;          /**< Duration of the effect in milliseconds. */
 
     /* Rumble */
     Uint16 large_magnitude; /**< Control of the large controller motor. */
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_hints.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_hints.h
index 007a4bee05c0dc4ef90b1d24e88eb1137cedc945..4ee72e97d66db40a703620a9d0a162a952de1498 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_hints.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_hints.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -76,6 +76,7 @@ extern "C" {
  *    "opengl"
  *    "opengles2"
  *    "opengles"
+ *    "metal"
  *    "software"
  *
  *  The default varies by platform, but it's the first one in the list that
@@ -210,6 +211,18 @@ extern "C" {
  */
 #define SDL_HINT_VIDEO_X11_NET_WM_PING      "SDL_VIDEO_X11_NET_WM_PING"
 
+/**
+ * \brief A variable controlling whether the X11 _NET_WM_BYPASS_COMPOSITOR hint should be used.
+ * 
+ * This variable can be set to the following values:
+ * "0" - Disable _NET_WM_BYPASS_COMPOSITOR
+ * "1" - Enable _NET_WM_BYPASS_COMPOSITOR
+ * 
+ * By default SDL will use _NET_WM_BYPASS_COMPOSITOR
+ * 
+ */
+#define SDL_HINT_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR "SDL_VIDEO_X11_NET_WM_BYPASS_COMPOSITOR"
+
 /**
  *  \brief  A variable controlling whether the window frame and title bar are interactive when the cursor is hidden 
  *
@@ -249,6 +262,16 @@ extern "C" {
  */
 #define SDL_HINT_GRAB_KEYBOARD              "SDL_GRAB_KEYBOARD"
 
+/**
+ *  \brief  A variable setting the double click time, in milliseconds.
+ */
+#define SDL_HINT_MOUSE_DOUBLE_CLICK_TIME    "SDL_MOUSE_DOUBLE_CLICK_TIME"
+
+/**
+ *  \brief  A variable setting the double click radius, in pixels.
+ */
+#define SDL_HINT_MOUSE_DOUBLE_CLICK_RADIUS    "SDL_MOUSE_DOUBLE_CLICK_RADIUS"
+
 /**
  *  \brief  A variable setting the speed scale for mouse motion, in floating point, when the mouse is not in relative mode
  */
@@ -316,7 +339,7 @@ extern "C" {
 #define SDL_HINT_IDLE_TIMER_DISABLED "SDL_IOS_IDLE_TIMER_DISABLED"
 
 /**
- *  \brief  A variable controlling which orientations are allowed on iOS.
+ *  \brief  A variable controlling which orientations are allowed on iOS/Android.
  *
  *  In some circumstances it is necessary to be able to explicitly control
  *  which UI orientations are allowed.
@@ -354,17 +377,37 @@ extern "C" {
  */
 #define SDL_HINT_APPLE_TV_REMOTE_ALLOW_ROTATION "SDL_APPLE_TV_REMOTE_ALLOW_ROTATION"
 
+/**
+ * \brief  A variable controlling whether the home indicator bar on iPhone X
+ *         should be hidden.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - The indicator bar is not hidden (default for windowed applications)
+ *    "1"       - The indicator bar is hidden and is shown when the screen is touched (useful for movie playback applications)
+ *    "2"       - The indicator bar is dim and the first swipe makes it visible and the second swipe performs the "home" action (default for fullscreen applications)
+ */
+#define SDL_HINT_IOS_HIDE_HOME_INDICATOR "SDL_IOS_HIDE_HOME_INDICATOR"
+
 /**
  *  \brief  A variable controlling whether the Android / iOS built-in
- *  accelerometer should be listed as a joystick device, rather than listing
- *  actual joysticks only.
+ *  accelerometer should be listed as a joystick device.
  *
  *  This variable can be set to the following values:
- *    "0"       - List only real joysticks and accept input from them
- *    "1"       - List real joysticks along with the accelerometer as if it were a 3 axis joystick (the default).
+ *    "0"       - The accelerometer is not listed as a joystick
+ *    "1"       - The accelerometer is available as a 3 axis joystick (the default).
  */
 #define SDL_HINT_ACCELEROMETER_AS_JOYSTICK "SDL_ACCELEROMETER_AS_JOYSTICK"
 
+/**
+ *  \brief  A variable controlling whether the Android / tvOS remotes
+ *  should be listed as joystick devices, instead of sending keyboard events.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - Remotes send enter/escape/arrow key events
+ *    "1"       - Remotes are available as 2 axis, 2 button joysticks (the default).
+ */
+#define SDL_HINT_TV_REMOTE_AS_JOYSTICK "SDL_TV_REMOTE_AS_JOYSTICK"
+
 /**
  *  \brief  A variable that lets you disable the detection and use of Xinput gamepad devices
  *
@@ -432,6 +475,88 @@ extern "C" {
  */
 #define SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS "SDL_JOYSTICK_ALLOW_BACKGROUND_EVENTS"
 
+/**
+ *  \brief  A variable controlling whether the HIDAPI joystick drivers should be used.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - HIDAPI drivers are not used
+ *    "1"       - HIDAPI drivers are used (the default)
+ *
+ *  This variable is the default for all drivers, but can be overridden by the hints for specific drivers below.
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI "SDL_JOYSTICK_HIDAPI"
+
+/**
+ *  \brief  A variable controlling whether the HIDAPI driver for PS4 controllers should be used.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - HIDAPI driver is not used
+ *    "1"       - HIDAPI driver is used
+ *
+ *  The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_PS4 "SDL_JOYSTICK_HIDAPI_PS4"
+
+/**
+ *  \brief  A variable controlling whether extended input reports should be used for PS4 controllers when using the HIDAPI driver.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - extended reports are not enabled (the default)
+ *    "1"       - extended reports
+ *
+ *  Extended input reports allow rumble on Bluetooth PS4 controllers, but
+ *  break DirectInput handling for applications that don't use SDL.
+ *
+ *  Once extended reports are enabled, they can not be disabled without
+ *  power cycling the controller.
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_PS4_RUMBLE "SDL_JOYSTICK_HIDAPI_PS4_RUMBLE"
+
+/**
+ *  \brief  A variable controlling whether the HIDAPI driver for Steam Controllers should be used.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - HIDAPI driver is not used
+ *    "1"       - HIDAPI driver is used
+ *
+ *  The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_STEAM "SDL_JOYSTICK_HIDAPI_STEAM"
+
+/**
+ *  \brief  A variable controlling whether the HIDAPI driver for Nintendo Switch controllers should be used.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - HIDAPI driver is not used
+ *    "1"       - HIDAPI driver is used
+ *
+ *  The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_SWITCH "SDL_JOYSTICK_HIDAPI_SWITCH"
+
+/**
+ *  \brief  A variable controlling whether the HIDAPI driver for XBox controllers should be used.
+ *
+ *  This variable can be set to the following values:
+ *    "0"       - HIDAPI driver is not used
+ *    "1"       - HIDAPI driver is used
+ *
+ *  The default is the value of SDL_HINT_JOYSTICK_HIDAPI
+ */
+#define SDL_HINT_JOYSTICK_HIDAPI_XBOX   "SDL_JOYSTICK_HIDAPI_XBOX"
+
+/**
+ *  \brief  A variable that controls whether Steam Controllers should be exposed using the SDL joystick and game controller APIs
+ *
+ *  The variable can be set to the following values:
+ *    "0"       - Do not scan for Steam Controllers
+ *    "1"       - Scan for Steam Controllers (the default)
+ *
+ *  The default value is "1".  This hint must be set before initializing the joystick subsystem.
+ */
+#define SDL_HINT_ENABLE_STEAM_CONTROLLERS "SDL_ENABLE_STEAM_CONTROLLERS"
+
+
 /**
  *  \brief If set to "0" then never set the top most bit on a SDL Window, even if the video mode expects it.
  *      This is a debugging aid for developers and not expected to be used by end users. The default is "1"
@@ -494,6 +619,10 @@ extern "C" {
 *  This is specially useful if you build SDL against a non glibc libc library (such as musl) which
 *  provides a relatively small default thread stack size (a few kilobytes versus the default 8MB glibc uses).
 *  Support for this hint is currently available only in the pthread, Windows, and PSP backend.
+*
+*  Instead of this hint, in 2.0.9 and later, you can use
+*  SDL_CreateThreadWithStackSize(). This hint only works with the classic
+*  SDL_CreateThread().
 */
 #define SDL_HINT_THREAD_STACK_SIZE              "SDL_THREAD_STACK_SIZE"
 
@@ -719,6 +848,35 @@ extern "C" {
  */
 #define SDL_HINT_ANDROID_SEPARATE_MOUSE_AND_TOUCH "SDL_ANDROID_SEPARATE_MOUSE_AND_TOUCH"
 
+ /**
+ * \brief A variable to control whether we trap the Android back button to handle it manually.
+ *        This is necessary for the right mouse button to work on some Android devices, or
+ *        to be able to trap the back button for use in your code reliably.  If set to true,
+ *        the back button will show up as an SDL_KEYDOWN / SDL_KEYUP pair with a keycode of 
+ *        SDL_SCANCODE_AC_BACK.
+ *
+ * The variable can be set to the following values:
+ *   "0"       - Back button will be handled as usual for system. (default)
+ *   "1"       - Back button will be trapped, allowing you to handle the key press
+ *               manually.  (This will also let right mouse click work on systems 
+ *               where the right mouse button functions as back.)
+ *
+ * The value of this hint is used at runtime, so it can be changed at any time.
+ */
+#define SDL_HINT_ANDROID_TRAP_BACK_BUTTON "SDL_ANDROID_TRAP_BACK_BUTTON"
+
+ /**
+ * \brief A variable to control whether the return key on the soft keyboard
+ *        should hide the soft keyboard on Android and iOS.
+ *
+ * The variable can be set to the following values:
+ *   "0"       - The return key will be handled as a key event. This is the behaviour of SDL <= 2.0.3. (default)
+ *   "1"       - The return key will hide the keyboard.
+ *
+ * The value of this hint is used at runtime, so it can be changed at any time.
+ */
+#define SDL_HINT_RETURN_KEY_HIDES_IME "SDL_RETURN_KEY_HIDES_IME"
+
 /**
  *  \brief override the binding element for keyboard inputs for Emscripten builds
  *
@@ -752,7 +910,7 @@ extern "C" {
  *   "0"       - SDL will generate a window-close event when it sees Alt+F4.
  *   "1"       - SDL will only do normal key handling for Alt+F4.
  */
-#define SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4	"SDL_WINDOWS_NO_CLOSE_ON_ALT_F4"
+#define SDL_HINT_WINDOWS_NO_CLOSE_ON_ALT_F4 "SDL_WINDOWS_NO_CLOSE_ON_ALT_F4"
 
 /**
  *  \brief Prevent SDL from using version 4 of the bitmap header when saving BMPs.
@@ -797,6 +955,24 @@ extern "C" {
  */
 #define SDL_HINT_RPI_VIDEO_LAYER           "SDL_RPI_VIDEO_LAYER"
 
+/**
+ * \brief Tell the video driver that we only want a double buffer.
+ *
+ * By default, most lowlevel 2D APIs will use a triple buffer scheme that 
+ * wastes no CPU time on waiting for vsync after issuing a flip, but
+ * introduces a frame of latency. On the other hand, using a double buffer
+ * scheme instead is recommended for cases where low latency is an important
+ * factor because we save a whole frame of latency.
+ * We do so by waiting for vsync immediately after issuing a flip, usually just
+ * after eglSwapBuffers call in the backend's *_SwapWindow function.
+ *
+ * Since it's driver-specific, it's only supported where possible and
+ * implemented. Currently supported the following drivers:
+ * - KMSDRM (kmsdrm)
+ * - Raspberry Pi (raspberrypi)
+ */
+#define SDL_HINT_VIDEO_DOUBLE_BUFFER      "SDL_VIDEO_DOUBLE_BUFFER"
+
 /**
  *  \brief  A variable controlling what driver to use for OpenGL ES contexts.
  *
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_joystick.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_joystick.h
index f598dc828dafa2751d3aba2286059a8298d79aa3..6e05a9c2056cf7134c22459066d253e80e9a4315 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_joystick.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_joystick.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -97,10 +97,10 @@ typedef enum
 typedef enum
 {
     SDL_JOYSTICK_POWER_UNKNOWN = -1,
-    SDL_JOYSTICK_POWER_EMPTY,
-    SDL_JOYSTICK_POWER_LOW,
-    SDL_JOYSTICK_POWER_MEDIUM,
-    SDL_JOYSTICK_POWER_FULL,
+    SDL_JOYSTICK_POWER_EMPTY,   /* <= 5% */
+    SDL_JOYSTICK_POWER_LOW,     /* <= 20% */
+    SDL_JOYSTICK_POWER_MEDIUM,  /* <= 70% */
+    SDL_JOYSTICK_POWER_FULL,    /* <= 100% */
     SDL_JOYSTICK_POWER_WIRED,
     SDL_JOYSTICK_POWER_MAX
 } SDL_JoystickPowerLevel;
@@ -132,6 +132,12 @@ extern DECLSPEC int SDLCALL SDL_NumJoysticks(void);
  */
 extern DECLSPEC const char *SDLCALL SDL_JoystickNameForIndex(int device_index);
 
+/**
+ *  Get the player index of a joystick, or -1 if it's not available
+ *  This can be called before any joysticks are opened.
+ */
+extern DECLSPEC int SDLCALL SDL_JoystickGetDevicePlayerIndex(int device_index);
+
 /**
  *  Return the GUID for the joystick at this index
  *  This can be called before any joysticks are opened.
@@ -194,6 +200,13 @@ extern DECLSPEC SDL_Joystick *SDLCALL SDL_JoystickFromInstanceID(SDL_JoystickID
  */
 extern DECLSPEC const char *SDLCALL SDL_JoystickName(SDL_Joystick * joystick);
 
+/**
+ *  Get the player index of an opened joystick, or -1 if it's not available
+ *
+ *  For XInput controllers this returns the XInput user index.
+ */
+extern DECLSPEC int SDLCALL SDL_JoystickGetPlayerIndex(SDL_Joystick * joystick);
+
 /**
  *  Return the GUID for this opened joystick
  */
@@ -361,6 +374,19 @@ extern DECLSPEC int SDLCALL SDL_JoystickGetBall(SDL_Joystick * joystick,
 extern DECLSPEC Uint8 SDLCALL SDL_JoystickGetButton(SDL_Joystick * joystick,
                                                     int button);
 
+/**
+ *  Trigger a rumble effect
+ *  Each call to this function cancels any previous rumble effect, and calling it with 0 intensity stops any rumbling.
+ *
+ *  \param joystick The joystick to vibrate
+ *  \param low_frequency_rumble The intensity of the low frequency (left) rumble motor, from 0 to 0xFFFF
+ *  \param high_frequency_rumble The intensity of the high frequency (right) rumble motor, from 0 to 0xFFFF
+ *  \param duration_ms The duration of the rumble effect, in milliseconds
+ *
+ *  \return 0, or -1 if rumble isn't supported on this joystick
+ */
+extern DECLSPEC int SDLCALL SDL_JoystickRumble(SDL_Joystick * joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms);
+
 /**
  *  Close a joystick previously opened with SDL_JoystickOpen().
  */
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_keyboard.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_keyboard.h
index e78ca469082c793a8190331c01766a3e3374a5ba..87482317161a6e05324bf5ab769743b1a385b436 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_keyboard.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_keyboard.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_keycode.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_keycode.h
index c41e45ff61b6959937f7f4e912cef24064b72e1f..d7d5b1dbcdefce3777ee48eddcc46853eba2e584 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_keycode.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_keycode.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_loadso.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_loadso.h
index 6ea256c6ae5813dc7b00c269101b4e866fbb5fcc..da56fb452779ee015da429caa8da746c985b0ee0 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_loadso.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_loadso.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_log.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_log.h
index 356d0e1cf7492f54d82e5829a6030587400869d1..e12b6588601712bd217578226f143941ff019cbb 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_log.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_log.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_main.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_main.h
index 2af32360f7be842213bca1253268d5198c768377..98558217fc23ea63118899e44a710b7ba934c720 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_main.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_main.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -63,10 +63,13 @@
 /* On Android SDL provides a Java class in SDLActivity.java that is the
    main activity entry point.
 
-   See README-android.md for more details on extending that class.
+   See docs/README-android.md for more details on extending that class.
  */
 #define SDL_MAIN_NEEDED
 
+/* We need to export SDL_main so it can be launched from Java */
+#define SDLMAIN_DECLSPEC    DECLSPEC
+
 #elif defined(__NACL__)
 /* On NACL we use ppapi_simple to set up the application helper code,
    then wait for the first PSE_INSTANCE_DIDCHANGEVIEW event before 
@@ -85,6 +88,10 @@
 #define C_LINKAGE
 #endif /* __cplusplus */
 
+#ifndef SDLMAIN_DECLSPEC
+#define SDLMAIN_DECLSPEC
+#endif
+
 /**
  *  \file SDL_main.h
  *
@@ -107,7 +114,7 @@
 /**
  *  The prototype for the application's main() function
  */
-extern C_LINKAGE DECLSPEC int SDL_main(int argc, char *argv[]);
+extern C_LINKAGE SDLMAIN_DECLSPEC int SDL_main(int argc, char *argv[]);
 
 
 #include "begin_code.h"
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_messagebox.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_messagebox.h
index c326d8f01098b147e1bff015fb8e355e37f00744..b7be59d88f50ad7686b794ca13cd66f29e7ef557 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_messagebox.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_messagebox.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_mouse.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_mouse.h
index 6001bd46c1e80270d85d18dd72025b0c17f2722a..d3c9f6156cba36ecff91929d7a7eda0784b4af69 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_mouse.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_mouse.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_mutex.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_mutex.h
index 0272379e55e16bb25a913f9b4e4ca11809af7b56..ba4247ced8176dd98396d552536bc4646faa7841 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_mutex.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_mutex.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_name.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_name.h
index 8095ed3ffd4df27fb77a15eebcd532536c3efc09..ecd863f4ca873b55249601228efc5fc578aa4fb1 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_name.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_name.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_opengl.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_opengl.h
index 314dd57eda395c3b9e7bcbaf2d3749b9aa01864d..253d9c93a96f875aa53a51a5a615d4d732d9926d 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_opengl.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_opengl.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_opengles.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_opengles.h
index 800c593070a9ea28a1f01c1d2b84e0f15ad2b33c..18dd984b3ed21bf5fd3bbfcf1a8a34fe58dfca6f 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_opengles.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_opengles.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_opengles2.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_opengles2.h
index 102f2f3fa7075c34639c03109939460ab2e7c2cc..6ccecf216572b4c9514bded0fd0a1c54690e57d8 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_opengles2.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_opengles2.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_pixels.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_pixels.h
index 04246689f5957e5170ad6be433e089e2483ea85a..0b4364b185231109d61663b4acb50e60e1d8fa16 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_pixels.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_pixels.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -287,7 +287,9 @@ enum
     SDL_PIXELFORMAT_NV12 =      /**< Planar mode: Y + U/V interleaved  (2 planes) */
         SDL_DEFINE_PIXELFOURCC('N', 'V', '1', '2'),
     SDL_PIXELFORMAT_NV21 =      /**< Planar mode: Y + V/U interleaved  (2 planes) */
-        SDL_DEFINE_PIXELFOURCC('N', 'V', '2', '1')
+        SDL_DEFINE_PIXELFOURCC('N', 'V', '2', '1'),
+    SDL_PIXELFORMAT_EXTERNAL_OES =      /**< Android video texture format */
+        SDL_DEFINE_PIXELFOURCC('O', 'E', 'S', ' ')
 };
 
 typedef struct SDL_Color
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_platform.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_platform.h
index 9dde385fa67364dbcfcf22598e33961970c4348e..7dea4ce940fe02f1b233d15ec6a75c9452a0422c 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_platform.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_platform.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -121,7 +121,12 @@
 #if defined(WIN32) || defined(_WIN32) || defined(__CYGWIN__) || defined(__MINGW32__)
 /* Try to find out if we're compiling for WinRT or non-WinRT */
 #if defined(_MSC_VER) && defined(__has_include)
-#define HAVE_WINAPIFAMILY_H __has_include(<winapifamily.h>)
+#if __has_include(<winapifamily.h>)
+#define HAVE_WINAPIFAMILY_H 1
+#else
+#define HAVE_WINAPIFAMILY_H 0
+#endif
+
 /* If _USING_V110_SDK71_ is defined it means we are using the Windows XP toolset. */
 #elif defined(_MSC_VER) && (_MSC_VER >= 1700 && !_USING_V110_SDK71_)    /* _MSC_VER == 1700 for Visual Studio 2012 */
 #define HAVE_WINAPIFAMILY_H 1
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_power.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_power.h
index d48e8a3795dfd0d9f8a1cd9ad07ba1c54b1b0d7c..a4fe8a9359c247678ad56a47f8b8106fa465f4a9 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_power.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_power.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_quit.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_quit.h
index 9283c381050a4013097e533a1723c64bb6392938..fea56a8d88b6a0ac9e12807d693628f80991bc3e 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_quit.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_quit.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_rect.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_rect.h
index c4f6d74b339ddc7b71372221758dc229043362fd..543bb618694ea9d4b5383e71a7c35b666b9e754c 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_rect.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_rect.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_render.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_render.h
index ea6ef9ff645cef9e643162828ccb6b5173d1b732..d336192974f4cedab0497ad6ac60aaba19f3f389 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_render.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_render.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -898,6 +898,27 @@ extern DECLSPEC int SDLCALL SDL_GL_BindTexture(SDL_Texture *texture, float *texw
  */
 extern DECLSPEC int SDLCALL SDL_GL_UnbindTexture(SDL_Texture *texture);
 
+/**
+ *  \brief Get the CAMetalLayer associated with the given Metal renderer
+ *
+ *  \param renderer The renderer to query
+ *
+ *  \return CAMetalLayer* on success, or NULL if the renderer isn't a Metal renderer
+ *
+ *  \sa SDL_RenderGetMetalCommandEncoder()
+ */
+extern DECLSPEC void *SDLCALL SDL_RenderGetMetalLayer(SDL_Renderer * renderer);
+
+/**
+ *  \brief Get the Metal command encoder for the current frame
+ *
+ *  \param renderer The renderer to query
+ *
+ *  \return id<MTLRenderCommandEncoder> on success, or NULL if the renderer isn't a Metal renderer
+ *
+ *  \sa SDL_RenderGetMetalLayer()
+ */
+extern DECLSPEC void *SDLCALL SDL_RenderGetMetalCommandEncoder(SDL_Renderer * renderer);
 
 /* Ends C function definitions when using C++ */
 #ifdef __cplusplus
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_revision.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_revision.h
index 9376093ee76bd46fbb70196e87673cda9d53ccd6..92fbe67b132156d911795af5e14b335d15645c66 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_revision.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_revision.h
@@ -1,2 +1,2 @@
-#define SDL_REVISION "hg-11645:2088cd828335"
-#define SDL_REVISION_NUMBER 11645
+#define SDL_REVISION "hg-12373:8feb5da6f2fb"
+#define SDL_REVISION_NUMBER 12373
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_rwops.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_rwops.h
index 7f0cbdfd55d5fabdd8ff80fc5ec605a7dd70bc0c..0960699d4857bb302e9024e7263c89a725a9a276 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_rwops.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_rwops.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_scancode.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_scancode.h
index 1d55212048560455d110797913a3dde07416768c..63871aa3b10beed824756b430687a3e16d7ebe44 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_scancode.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_scancode.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_sensor.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_sensor.h
new file mode 100644
index 0000000000000000000000000000000000000000..ac163a8cd1be73201742fe56293ddc840653f706
--- /dev/null
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_sensor.h
@@ -0,0 +1,251 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+/**
+ *  \file SDL_sensor.h
+ *
+ *  Include file for SDL sensor event handling
+ *
+ */
+
+#ifndef _SDL_sensor_h
+#define _SDL_sensor_h
+
+#include "SDL_stdinc.h"
+#include "SDL_error.h"
+
+#include "begin_code.h"
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+/* *INDENT-OFF* */
+extern "C" {
+/* *INDENT-ON* */
+#endif
+
+/**
+ *  \brief SDL_sensor.h
+ *
+ *  In order to use these functions, SDL_Init() must have been called
+ *  with the ::SDL_INIT_SENSOR flag.  This causes SDL to scan the system
+ *  for sensors, and load appropriate drivers.
+ */
+
+struct _SDL_Sensor;
+typedef struct _SDL_Sensor SDL_Sensor;
+
+/**
+ * This is a unique ID for a sensor for the time it is connected to the system,
+ * and is never reused for the lifetime of the application.
+ *
+ * The ID value starts at 0 and increments from there. The value -1 is an invalid ID.
+ */
+typedef Sint32 SDL_SensorID;
+
+/* The different sensors defined by SDL
+ *
+ * Additional sensors may be available, using platform dependent semantics.
+ *
+ * Hare are the additional Android sensors:
+ * https://developer.android.com/reference/android/hardware/SensorEvent.html#values
+ */
+typedef enum
+{
+    SDL_SENSOR_INVALID = -1,    /**< Returned for an invalid sensor */
+    SDL_SENSOR_UNKNOWN,         /**< Unknown sensor type */
+    SDL_SENSOR_ACCEL,           /**< Accelerometer */
+    SDL_SENSOR_GYRO             /**< Gyroscope */
+} SDL_SensorType;
+
+/**
+ * Accelerometer sensor
+ *
+ * The accelerometer returns the current acceleration in SI meters per
+ * second squared. This includes gravity, so a device at rest will have
+ * an acceleration of SDL_STANDARD_GRAVITY straight down.
+ *
+ * values[0]: Acceleration on the x axis
+ * values[1]: Acceleration on the y axis
+ * values[2]: Acceleration on the z axis
+ *
+ * For phones held in portrait mode, the axes are defined as follows:
+ * -X ... +X : left ... right
+ * -Y ... +Y : bottom ... top
+ * -Z ... +Z : farther ... closer
+ * 
+ * The axis data is not changed when the phone is rotated.
+ *
+ * \sa SDL_GetDisplayOrientation()
+ */
+#define SDL_STANDARD_GRAVITY    9.80665f
+
+/**
+ * Gyroscope sensor
+ *
+ * The gyroscope returns the current rate of rotation in radians per second.
+ * The rotation is positive in the counter-clockwise direction. That is,
+ * an observer looking from a positive location on one of the axes would
+ * see positive rotation on that axis when it appeared to be rotating
+ * counter-clockwise.
+ *
+ * values[0]: Angular speed around the x axis
+ * values[1]: Angular speed around the y axis
+ * values[2]: Angular speed around the z axis
+ *
+ * For phones held in portrait mode, the axes are defined as follows:
+ * -X ... +X : left ... right
+ * -Y ... +Y : bottom ... top
+ * -Z ... +Z : farther ... closer
+ * 
+ * The axis data is not changed when the phone is rotated.
+ *
+ * \sa SDL_GetDisplayOrientation()
+ */
+
+/* Function prototypes */
+
+/**
+ *  \brief Count the number of sensors attached to the system right now
+ */
+extern DECLSPEC int SDLCALL SDL_NumSensors(void);
+
+/**
+ *  \brief Get the implementation dependent name of a sensor.
+ *
+ *  This can be called before any sensors are opened.
+ * 
+ *  \return The sensor name, or NULL if device_index is out of range.
+ */
+extern DECLSPEC const char *SDLCALL SDL_SensorGetDeviceName(int device_index);
+
+/**
+ *  \brief Get the type of a sensor.
+ *
+ *  This can be called before any sensors are opened.
+ *
+ *  \return The sensor type, or SDL_SENSOR_INVALID if device_index is out of range.
+ */
+extern DECLSPEC SDL_SensorType SDLCALL SDL_SensorGetDeviceType(int device_index);
+
+/**
+ *  \brief Get the platform dependent type of a sensor.
+ *
+ *  This can be called before any sensors are opened.
+ *
+ *  \return The sensor platform dependent type, or -1 if device_index is out of range.
+ */
+extern DECLSPEC int SDLCALL SDL_SensorGetDeviceNonPortableType(int device_index);
+
+/**
+ *  \brief Get the instance ID of a sensor.
+ *
+ *  This can be called before any sensors are opened.
+ *
+ *  \return The sensor instance ID, or -1 if device_index is out of range.
+ */
+extern DECLSPEC SDL_SensorID SDLCALL SDL_SensorGetDeviceInstanceID(int device_index);
+
+/**
+ *  \brief Open a sensor for use.
+ *
+ *  The index passed as an argument refers to the N'th sensor on the system.
+ *
+ *  \return A sensor identifier, or NULL if an error occurred.
+ */
+extern DECLSPEC SDL_Sensor *SDLCALL SDL_SensorOpen(int device_index);
+
+/**
+ * Return the SDL_Sensor associated with an instance id.
+ */
+extern DECLSPEC SDL_Sensor *SDLCALL SDL_SensorFromInstanceID(SDL_SensorID instance_id);
+
+/**
+ *  \brief Get the implementation dependent name of a sensor.
+ *
+ *  \return The sensor name, or NULL if the sensor is NULL.
+ */
+extern DECLSPEC const char *SDLCALL SDL_SensorGetName(SDL_Sensor *sensor);
+
+/**
+ *  \brief Get the type of a sensor.
+ *
+ *  This can be called before any sensors are opened.
+ *
+ *  \return The sensor type, or SDL_SENSOR_INVALID if the sensor is NULL.
+ */
+extern DECLSPEC SDL_SensorType SDLCALL SDL_SensorGetType(SDL_Sensor *sensor);
+
+/**
+ *  \brief Get the platform dependent type of a sensor.
+ *
+ *  This can be called before any sensors are opened.
+ *
+ *  \return The sensor platform dependent type, or -1 if the sensor is NULL.
+ */
+extern DECLSPEC int SDLCALL SDL_SensorGetNonPortableType(SDL_Sensor *sensor);
+
+/**
+ *  \brief Get the instance ID of a sensor.
+ *
+ *  This can be called before any sensors are opened.
+ *
+ *  \return The sensor instance ID, or -1 if the sensor is NULL.
+ */
+extern DECLSPEC SDL_SensorID SDLCALL SDL_SensorGetInstanceID(SDL_Sensor *sensor);
+
+/**
+ *  Get the current state of an opened sensor.
+ *
+ *  The number of values and interpretation of the data is sensor dependent.
+ *
+ *  \param sensor The sensor to query
+ *  \param data A pointer filled with the current sensor state
+ *  \param num_values The number of values to write to data
+ *
+ *  \return 0 or -1 if an error occurred.
+ */
+extern DECLSPEC int SDLCALL SDL_SensorGetData(SDL_Sensor * sensor, float *data, int num_values);
+
+/**
+ *  Close a sensor previously opened with SDL_SensorOpen()
+ */
+extern DECLSPEC void SDLCALL SDL_SensorClose(SDL_Sensor * sensor);
+
+/**
+ *  Update the current state of the open sensors.
+ *
+ *  This is called automatically by the event loop if sensor events are enabled.
+ *
+ *  This needs to be called from the thread that initialized the sensor subsystem.
+ */
+extern DECLSPEC void SDLCALL SDL_SensorUpdate(void);
+
+
+/* Ends C function definitions when using C++ */
+#ifdef __cplusplus
+/* *INDENT-OFF* */
+}
+/* *INDENT-ON* */
+#endif
+#include "close_code.h"
+
+#endif /* _SDL_sensor_h */
+
+/* vi: set ts=4 sw=4 expandtab: */
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_shape.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_shape.h
index 9e492d93a4d1f6e42bcb2bbfec31fd71520cbaaa..40a6baaaec3d4d7e46c1da1fed54949123421035 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_shape.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_shape.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_stdinc.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_stdinc.h
index 72402299f2da1892dd2224bc436b1822007f9b51..e373bc380f68867e5638b8f6ea26521a66a906ee 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_stdinc.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_stdinc.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -86,6 +86,28 @@
 #ifdef HAVE_FLOAT_H
 # include <float.h>
 #endif
+#if defined(HAVE_ALLOCA) && !defined(alloca)
+# if defined(HAVE_ALLOCA_H)
+#  include <alloca.h>
+# elif defined(__GNUC__)
+#  define alloca __builtin_alloca
+# elif defined(_MSC_VER)
+#  include <malloc.h>
+#  define alloca _alloca
+# elif defined(__WATCOMC__)
+#  include <malloc.h>
+# elif defined(__BORLANDC__)
+#  include <malloc.h>
+# elif defined(__DMC__)
+#  include <stdlib.h>
+# elif defined(__AIX__)
+#pragma alloca
+# elif defined(__MRC__)
+void *alloca(unsigned);
+# else
+char *alloca();
+# endif
+#endif
 
 /**
  *  The number of elements in an array.
@@ -328,28 +350,6 @@ SDL_COMPILE_TIME_ASSERT(enum, sizeof(SDL_DUMMY_ENUM) == sizeof(int));
 extern "C" {
 #endif
 
-#if defined(HAVE_ALLOCA) && !defined(alloca)
-# if defined(HAVE_ALLOCA_H)
-#  include <alloca.h>
-# elif defined(__GNUC__)
-#  define alloca __builtin_alloca
-# elif defined(_MSC_VER)
-#  include <malloc.h>
-#  define alloca _alloca
-# elif defined(__WATCOMC__)
-#  include <malloc.h>
-# elif defined(__BORLANDC__)
-#  include <malloc.h>
-# elif defined(__DMC__)
-#  include <stdlib.h>
-# elif defined(__AIX__)
-#pragma alloca
-# elif defined(__MRC__)
-void *alloca(unsigned);
-# else
-char *alloca();
-# endif
-#endif
 #ifdef HAVE_ALLOCA
 #define SDL_stack_alloc(type, count)    (type*)alloca(sizeof(type)*(count))
 #define SDL_stack_free(data)
@@ -445,12 +445,12 @@ SDL_FORCE_INLINE void SDL_memset4(void *dst, Uint32 val, size_t dwords)
 #endif
 }
 
-
 extern DECLSPEC void *SDLCALL SDL_memcpy(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
 
 extern DECLSPEC void *SDLCALL SDL_memmove(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len);
 extern DECLSPEC int SDLCALL SDL_memcmp(const void *s1, const void *s2, size_t len);
 
+extern DECLSPEC wchar_t *SDLCALL SDL_wcsdup(const wchar_t *wstr);
 extern DECLSPEC size_t SDLCALL SDL_wcslen(const wchar_t *wstr);
 extern DECLSPEC size_t SDLCALL SDL_wcslcpy(SDL_OUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
 extern DECLSPEC size_t SDLCALL SDL_wcslcat(SDL_INOUT_Z_CAP(maxlen) wchar_t *dst, const wchar_t *src, size_t maxlen);
@@ -501,18 +501,35 @@ extern DECLSPEC int SDLCALL SDL_vsnprintf(SDL_OUT_Z_CAP(maxlen) char *text, size
 #endif
 
 extern DECLSPEC double SDLCALL SDL_acos(double x);
+extern DECLSPEC float SDLCALL SDL_acosf(float x);
 extern DECLSPEC double SDLCALL SDL_asin(double x);
+extern DECLSPEC float SDLCALL SDL_asinf(float x);
 extern DECLSPEC double SDLCALL SDL_atan(double x);
+extern DECLSPEC float SDLCALL SDL_atanf(float x);
 extern DECLSPEC double SDLCALL SDL_atan2(double x, double y);
+extern DECLSPEC float SDLCALL SDL_atan2f(float x, float y);
 extern DECLSPEC double SDLCALL SDL_ceil(double x);
+extern DECLSPEC float SDLCALL SDL_ceilf(float x);
 extern DECLSPEC double SDLCALL SDL_copysign(double x, double y);
+extern DECLSPEC float SDLCALL SDL_copysignf(float x, float y);
 extern DECLSPEC double SDLCALL SDL_cos(double x);
 extern DECLSPEC float SDLCALL SDL_cosf(float x);
+extern DECLSPEC double SDLCALL SDL_exp(double x);
+extern DECLSPEC float SDLCALL SDL_expf(float x);
 extern DECLSPEC double SDLCALL SDL_fabs(double x);
+extern DECLSPEC float SDLCALL SDL_fabsf(float x);
 extern DECLSPEC double SDLCALL SDL_floor(double x);
+extern DECLSPEC float SDLCALL SDL_floorf(float x);
+extern DECLSPEC double SDLCALL SDL_fmod(double x, double y);
+extern DECLSPEC float SDLCALL SDL_fmodf(float x, float y);
 extern DECLSPEC double SDLCALL SDL_log(double x);
+extern DECLSPEC float SDLCALL SDL_logf(float x);
+extern DECLSPEC double SDLCALL SDL_log10(double x);
+extern DECLSPEC float SDLCALL SDL_log10f(float x);
 extern DECLSPEC double SDLCALL SDL_pow(double x, double y);
+extern DECLSPEC float SDLCALL SDL_powf(float x, float y);
 extern DECLSPEC double SDLCALL SDL_scalbn(double x, int n);
+extern DECLSPEC float SDLCALL SDL_scalbnf(float x, int n);
 extern DECLSPEC double SDLCALL SDL_sin(double x);
 extern DECLSPEC float SDLCALL SDL_sinf(float x);
 extern DECLSPEC double SDLCALL SDL_sqrt(double x);
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_surface.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_surface.h
index 510690c9cffe37fa3153d547d87c9ed0089584c2..730d49fc805ec54d5725c7369db4578d194aa56a 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_surface.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_surface.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -97,6 +97,17 @@ typedef struct SDL_Surface
 typedef int (SDLCALL *SDL_blit) (struct SDL_Surface * src, SDL_Rect * srcrect,
                                  struct SDL_Surface * dst, SDL_Rect * dstrect);
 
+/**
+ * \brief The formula used for converting between YUV and RGB
+ */
+typedef enum
+{
+    SDL_YUV_CONVERSION_JPEG,        /**< Full range JPEG */
+    SDL_YUV_CONVERSION_BT601,       /**< BT.601 (the default) */
+    SDL_YUV_CONVERSION_BT709,       /**< BT.709 */
+    SDL_YUV_CONVERSION_AUTOMATIC    /**< BT.601 for SD content, BT.709 for HD content */
+} SDL_YUV_CONVERSION_MODE;
+
 /**
  *  Allocate and free an RGB surface.
  *
@@ -237,6 +248,13 @@ extern DECLSPEC int SDLCALL SDL_SetSurfaceRLE(SDL_Surface * surface,
 extern DECLSPEC int SDLCALL SDL_SetColorKey(SDL_Surface * surface,
                                             int flag, Uint32 key);
 
+/**
+ *  \brief Returns whether the surface has a color key
+ *
+ *  \return SDL_TRUE if the surface has a color key, or SDL_FALSE if the surface is NULL or has no color key
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_HasColorKey(SDL_Surface * surface);
+
 /**
  *  \brief Gets the color key (transparent pixel) in a blittable surface.
  *
@@ -509,6 +527,20 @@ extern DECLSPEC int SDLCALL SDL_LowerBlitScaled
     (SDL_Surface * src, SDL_Rect * srcrect,
     SDL_Surface * dst, SDL_Rect * dstrect);
 
+/**
+ *  \brief Set the YUV conversion mode
+ */
+extern DECLSPEC void SDLCALL SDL_SetYUVConversionMode(SDL_YUV_CONVERSION_MODE mode);
+
+/**
+ *  \brief Get the YUV conversion mode
+ */
+extern DECLSPEC SDL_YUV_CONVERSION_MODE SDLCALL SDL_GetYUVConversionMode(void);
+
+/**
+ *  \brief Get the YUV conversion mode, returning the correct mode for the resolution when the current conversion mode is SDL_YUV_CONVERSION_AUTOMATIC
+ */
+extern DECLSPEC SDL_YUV_CONVERSION_MODE SDLCALL SDL_GetYUVConversionModeForResolution(int width, int height);
 
 /* Ends C function definitions when using C++ */
 #ifdef __cplusplus
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_system.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_system.h
index eb069b33d8127f026de8b57b1869ccf3297f75e6..4dc372d6b14bb7fd49f64f716d1f9f29e3a15fbc 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_system.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_system.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -76,6 +76,18 @@ extern DECLSPEC SDL_bool SDLCALL SDL_DXGIGetOutputInfo( int displayIndex, int *a
 #endif /* __WIN32__ */
 
 
+/* Platform specific functions for Linux */
+#ifdef __LINUX__
+
+/**
+   \brief Sets the UNIX nice value for a thread, using setpriority() if possible, and RealtimeKit if available.
+
+   \return 0 on success, or -1 on error.
+ */
+extern DECLSPEC int SDLCALL SDL_LinuxSetThreadPriority(Sint64 threadID, int priority);
+ 
+#endif /* __LINUX__ */
+	
 /* Platform specific functions for iOS */
 #if defined(__IPHONEOS__) && __IPHONEOS__
 
@@ -108,6 +120,26 @@ extern DECLSPEC void * SDLCALL SDL_AndroidGetJNIEnv(void);
  */
 extern DECLSPEC void * SDLCALL SDL_AndroidGetActivity(void);
 
+/**
+   \brief Return true if the application is running on Android TV
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_IsAndroidTV(void);
+
+/**
+   \brief Return true if the application is running on a Chromebook
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_IsChromebook(void);
+
+/**
+  \brief Return true is the application is running on a Samsung DeX docking station
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_IsDeXMode(void);
+
+/**
+ \brief Trigger the Android system back button behavior.
+ */
+extern DECLSPEC void SDLCALL SDL_AndroidBackButton(void);
+
 /**
    See the official Android developer guide for more information:
    http://developer.android.com/guide/topics/data/data-storage.html
@@ -169,6 +201,25 @@ typedef enum
 } SDL_WinRT_Path;
 
 
+/**
+ *  \brief WinRT Device Family
+ */
+typedef enum
+{
+    /** \brief Unknown family  */
+    SDL_WINRT_DEVICEFAMILY_UNKNOWN,
+
+    /** \brief Desktop family*/
+    SDL_WINRT_DEVICEFAMILY_DESKTOP,
+
+    /** \brief Mobile family (for example smartphone) */
+    SDL_WINRT_DEVICEFAMILY_MOBILE,
+
+    /** \brief XBox family */
+    SDL_WINRT_DEVICEFAMILY_XBOX,
+} SDL_WinRT_DeviceFamily;
+
+
 /**
  *  \brief Retrieves a WinRT defined path on the local file system
  *
@@ -203,8 +254,20 @@ extern DECLSPEC const wchar_t * SDLCALL SDL_WinRTGetFSPathUNICODE(SDL_WinRT_Path
  */
 extern DECLSPEC const char * SDLCALL SDL_WinRTGetFSPathUTF8(SDL_WinRT_Path pathType);
 
+/**
+ *  \brief Detects the device family of WinRT plattform on runtime
+ *
+ *  \return Device family
+ */
+extern DECLSPEC SDL_WinRT_DeviceFamily SDLCALL SDL_WinRTGetDeviceFamily();
+
 #endif /* __WINRT__ */
 
+/**
+ \brief Return true if the current device is a tablet.
+ */
+extern DECLSPEC SDL_bool SDLCALL SDL_IsTablet(void);
+
 /* Ends C function definitions when using C++ */
 #ifdef __cplusplus
 }
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_syswm.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_syswm.h
index 2d18afb6cf90173ca289b53f74dad013a3440909..f1c4021cc8b37be22124d28a99733d1e696e71e6 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_syswm.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_syswm.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -33,12 +33,6 @@
 #include "SDL_video.h"
 #include "SDL_version.h"
 
-#include "begin_code.h"
-/* Set up for C function definitions, even when using C++ */
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 /**
  *  \file SDL_syswm.h
  *
@@ -110,6 +104,12 @@ typedef void *EGLSurface;
 #include "SDL_egl.h"
 #endif
 
+#include "begin_code.h"
+/* Set up for C function definitions, even when using C++ */
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /**
  *  These are the various supported windowing subsystems
  */
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test.h
index f55afcb02273929055de6bf3a8848c2025e3bda3..6cc373bf809ca34195c28d7ef465fffac49c0e89 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_assert.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_assert.h
index 11d8363942948261e7a2403c3556d7e45860ef8a..1788d7a206916e92ccc607c24d93805ec368c838 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_assert.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_assert.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_common.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_common.h
index 24eeb32af1b8731d95e28084a051b219480810be..be2e6b2aab48af89d8aab4986bd15bd0fc13bd68 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_common.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_common.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_compare.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_compare.h
index 9f4c4587ade92d8afe8d8102bd216db4458930e3..c22e447d8aee297971e6c51e4c1dd2fdb3a5cd52 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_compare.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_compare.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_crc32.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_crc32.h
index add480c349fd91512e3a3229f44858407529a106..3d235d07400f10b10297e533f7d74c2cf02bc394 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_crc32.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_crc32.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_font.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_font.h
index 58c9f9d5e5f3334e23df3bbcba45cc6483635f67..59cbdcad6bcb101764c689f915d8395866b6ea6a 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_font.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_font.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_fuzzer.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_fuzzer.h
index 6cf05747ad91914fe7155322876cd3ff6e2a28d6..8fcb9ebbfa1ba58da745c08e0eb0a322e00319c6 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_fuzzer.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_fuzzer.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_harness.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_harness.h
index 68c4bcb7c44ff1fb09722fa81be6fb5013917eef..8641e0a7e3ad9945ed5ec93813920017bcc06447 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_harness.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_harness.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_images.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_images.h
index 683d2f8a689e8d49b1c750493a6c04112a19b8e3..9c4dd5b82954fc21c15ff9027372ca3419c6252e 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_images.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_images.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_log.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_log.h
index 9f993fbbc880ded0f9c4c2dd81d838fb60753ed2..ebd44fb5021c3f4fc64dcab127780ab7da89ebd2 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_log.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_log.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_md5.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_md5.h
index 67ca7d1defbb70c02e83d43eef7f11ee6cbc81e5..0e4105768fdb6bd059ad867cb90d74637e28660c 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_md5.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_md5.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_memory.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_memory.h
index 43b67f521be347be755fa725dfd2bdd6b96f6c01..4827ae6f2c372db861a635ae9faa32637f152a18 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_memory.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_memory.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_random.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_random.h
index 2b01922c3ed5b82aace74bce3c661ce7c8b62782..0eb414ff2e4db2488ac5671f9d1a91048d0f3b34 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_random.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_test_random.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_thread.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_thread.h
index d0f6575cd5ac7562cb5dba1ca84b5e94b4a3f029..554dd0b61d02481d6f665dbde0799361b1967632 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_thread.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_thread.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -54,12 +54,13 @@ typedef unsigned int SDL_TLSID;
 /**
  *  The SDL thread priority.
  *
- *  \note On many systems you require special privileges to set high priority.
+ *  \note On many systems you require special privileges to set high or time critical priority.
  */
 typedef enum {
     SDL_THREAD_PRIORITY_LOW,
     SDL_THREAD_PRIORITY_NORMAL,
-    SDL_THREAD_PRIORITY_HIGH
+    SDL_THREAD_PRIORITY_HIGH,
+    SDL_THREAD_PRIORITY_TIME_CRITICAL
 } SDL_ThreadPriority;
 
 /**
@@ -105,14 +106,24 @@ SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data,
                  pfnSDL_CurrentBeginThread pfnBeginThread,
                  pfnSDL_CurrentEndThread pfnEndThread);
 
+extern DECLSPEC SDL_Thread *SDLCALL
+SDL_CreateThreadWithStackSize(int (SDLCALL * fn) (void *),
+                 const char *name, const size_t stacksize, void *data,
+                 pfnSDL_CurrentBeginThread pfnBeginThread,
+                 pfnSDL_CurrentEndThread pfnEndThread);
+
+
 /**
  *  Create a thread.
  */
 #if defined(SDL_CreateThread) && SDL_DYNAMIC_API
 #undef SDL_CreateThread
 #define SDL_CreateThread(fn, name, data) SDL_CreateThread_REAL(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthreadex, (pfnSDL_CurrentEndThread)_endthreadex)
+#undef SDL_CreateThreadWithStackSize
+#define SDL_CreateThreadWithStackSize(fn, name, stacksize, data) SDL_CreateThreadWithStackSize_REAL(fn, name, stacksize, data, (pfnSDL_CurrentBeginThread)_beginthreadex, (pfnSDL_CurrentEndThread)_endthreadex)
 #else
 #define SDL_CreateThread(fn, name, data) SDL_CreateThread(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthreadex, (pfnSDL_CurrentEndThread)_endthreadex)
+#define SDL_CreateThreadWithStackSize(fn, name, stacksize, data) SDL_CreateThreadWithStackSize(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthreadex, (pfnSDL_CurrentEndThread)_endthreadex)
 #endif
 
 #elif defined(__OS2__)
@@ -132,15 +143,31 @@ extern DECLSPEC SDL_Thread *SDLCALL
 SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data,
                  pfnSDL_CurrentBeginThread pfnBeginThread,
                  pfnSDL_CurrentEndThread pfnEndThread);
+extern DECLSPEC SDL_Thread *SDLCALL
+SDL_CreateThreadWithStackSize(SDL_ThreadFunction fn, const char *name, const size_t stacksize, void *data,
+                 pfnSDL_CurrentBeginThread pfnBeginThread,
+                 pfnSDL_CurrentEndThread pfnEndThread);
 #if defined(SDL_CreateThread) && SDL_DYNAMIC_API
 #undef SDL_CreateThread
 #define SDL_CreateThread(fn, name, data) SDL_CreateThread_REAL(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthread, (pfnSDL_CurrentEndThread)_endthread)
+#undef SDL_CreateThreadWithStackSize
+#define SDL_CreateThreadWithStackSize(fn, name, stacksize, data) SDL_CreateThreadWithStackSize_REAL(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthread, (pfnSDL_CurrentEndThread)_endthread)
 #else
 #define SDL_CreateThread(fn, name, data) SDL_CreateThread(fn, name, data, (pfnSDL_CurrentBeginThread)_beginthread, (pfnSDL_CurrentEndThread)_endthread)
+#define SDL_CreateThreadWithStackSize(fn, name, stacksize, data) SDL_CreateThreadWithStackSize(fn, name, stacksize, data, (pfnSDL_CurrentBeginThread)_beginthread, (pfnSDL_CurrentEndThread)_endthread)
 #endif
 
 #else
 
+/**
+ *  Create a thread with a default stack size.
+ *
+ *  This is equivalent to calling:
+ *  SDL_CreateThreadWithStackSize(fn, name, 0, data);
+ */
+extern DECLSPEC SDL_Thread *SDLCALL
+SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data);
+
 /**
  *  Create a thread.
  *
@@ -158,9 +185,17 @@ SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data,
  *   If a system imposes requirements, SDL will try to munge the string for
  *    it (truncate, etc), but the original string contents will be available
  *    from SDL_GetThreadName().
+ *
+ *   The size (in bytes) of the new stack can be specified. Zero means "use
+ *    the system default" which might be wildly different between platforms
+ *    (x86 Linux generally defaults to eight megabytes, an embedded device
+ *    might be a few kilobytes instead).
+ *
+ *   In SDL 2.1, stacksize will be folded into the original SDL_CreateThread
+ *    function.
  */
 extern DECLSPEC SDL_Thread *SDLCALL
-SDL_CreateThread(SDL_ThreadFunction fn, const char *name, void *data);
+SDL_CreateThreadWithStackSize(SDL_ThreadFunction fn, const char *name, const size_t stacksize, void *data);
 
 #endif
 
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_timer.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_timer.h
index 282625d3f0dc8dfe2b94fa48032d037cace0de3c..5600618ff4f8fbaacb2edf547ef8da1c182a0257 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_timer.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_timer.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_touch.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_touch.h
index db9e25ebdccad221a3c38bbce06b02bec65c3c2c..f4075e79a5b5dd486579aa374474e3927101abe1 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_touch.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_touch.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_types.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_types.h
index 06ee80cb358963b2fca3d8218a81595345e52671..4ac248c8c577f5150c8de8ad1b36df3bd4aea854 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_types.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_types.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_version.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_version.h
index 5b4c402486d6adb4e8ebaec3cfa4bee301e48e8b..31443e149adc071cba7431bc0cd47b007f1a0e22 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_version.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_version.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -59,7 +59,7 @@ typedef struct SDL_version
 */
 #define SDL_MAJOR_VERSION   2
 #define SDL_MINOR_VERSION   0
-#define SDL_PATCHLEVEL      7
+#define SDL_PATCHLEVEL      9
 
 /**
  *  \brief Macro to determine SDL version program was compiled against.
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_video.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_video.h
index 6f6cda8b182b22160d97c0d9d5e684290419d0b9..461f13805101c9214ef4bd9b6df3143c3f093692 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_video.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_video.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -110,7 +110,9 @@ typedef enum
     SDL_WINDOW_MOUSE_FOCUS = 0x00000400,        /**< window has mouse focus */
     SDL_WINDOW_FULLSCREEN_DESKTOP = ( SDL_WINDOW_FULLSCREEN | 0x00001000 ),
     SDL_WINDOW_FOREIGN = 0x00000800,            /**< window not created by SDL */
-    SDL_WINDOW_ALLOW_HIGHDPI = 0x00002000,      /**< window should be created in high-DPI mode if supported */
+    SDL_WINDOW_ALLOW_HIGHDPI = 0x00002000,      /**< window should be created in high-DPI mode if supported.
+                                                     On macOS NSHighResolutionCapable must be set true in the
+                                                     application's Info.plist for this to have any effect. */
     SDL_WINDOW_MOUSE_CAPTURE = 0x00004000,      /**< window has mouse captured (unrelated to INPUT_GRABBED) */
     SDL_WINDOW_ALWAYS_ON_TOP = 0x00008000,      /**< window should always be above others */
     SDL_WINDOW_SKIP_TASKBAR  = 0x00010000,      /**< window should not be added to the taskbar */
@@ -167,6 +169,24 @@ typedef enum
     SDL_WINDOWEVENT_HIT_TEST        /**< Window had a hit test that wasn't SDL_HITTEST_NORMAL. */
 } SDL_WindowEventID;
 
+/**
+ *  \brief Event subtype for display events
+ */
+typedef enum
+{
+    SDL_DISPLAYEVENT_NONE,          /**< Never used */
+    SDL_DISPLAYEVENT_ORIENTATION    /**< Display orientation has changed to data1 */
+} SDL_DisplayEventID;
+
+typedef enum
+{
+    SDL_ORIENTATION_UNKNOWN,            /**< The display orientation can't be determined */
+    SDL_ORIENTATION_LANDSCAPE,          /**< The display is in landscape mode, with the right side up, relative to portrait mode */
+    SDL_ORIENTATION_LANDSCAPE_FLIPPED,  /**< The display is in landscape mode, with the left side up, relative to portrait mode */
+    SDL_ORIENTATION_PORTRAIT,           /**< The display is in portrait mode */
+    SDL_ORIENTATION_PORTRAIT_FLIPPED    /**< The display is in portrait mode, upside down */
+} SDL_DisplayOrientation;
+
 /**
  *  \brief An opaque handle to an OpenGL context.
  */
@@ -314,18 +334,6 @@ extern DECLSPEC const char * SDLCALL SDL_GetDisplayName(int displayIndex);
  */
 extern DECLSPEC int SDLCALL SDL_GetDisplayBounds(int displayIndex, SDL_Rect * rect);
 
-/**
- *  \brief Get the dots/pixels-per-inch for a display
- *
- *  \note Diagonal, horizontal and vertical DPI can all be optionally
- *        returned if the parameter is non-NULL.
- *
- *  \return 0 on success, or -1 if no DPI information is available or the index is out of range.
- *
- *  \sa SDL_GetNumVideoDisplays()
- */
-extern DECLSPEC int SDLCALL SDL_GetDisplayDPI(int displayIndex, float * ddpi, float * hdpi, float * vdpi);
-
 /**
  *  \brief Get the usable desktop area represented by a display, with the
  *         primary display located at 0,0
@@ -345,6 +353,27 @@ extern DECLSPEC int SDLCALL SDL_GetDisplayDPI(int displayIndex, float * ddpi, fl
  */
 extern DECLSPEC int SDLCALL SDL_GetDisplayUsableBounds(int displayIndex, SDL_Rect * rect);
 
+/**
+ *  \brief Get the dots/pixels-per-inch for a display
+ *
+ *  \note Diagonal, horizontal and vertical DPI can all be optionally
+ *        returned if the parameter is non-NULL.
+ *
+ *  \return 0 on success, or -1 if no DPI information is available or the index is out of range.
+ *
+ *  \sa SDL_GetNumVideoDisplays()
+ */
+extern DECLSPEC int SDLCALL SDL_GetDisplayDPI(int displayIndex, float * ddpi, float * hdpi, float * vdpi);
+
+/**
+ *  \brief Get the orientation of a display
+ *
+ *  \return The orientation of the display, or SDL_ORIENTATION_UNKNOWN if it isn't available.
+ *
+ *  \sa SDL_GetNumVideoDisplays()
+ */
+extern DECLSPEC SDL_DisplayOrientation SDLCALL SDL_GetDisplayOrientation(int displayIndex);
+
 /**
  *  \brief Returns the number of available display modes.
  *
@@ -470,7 +499,7 @@ extern DECLSPEC Uint32 SDLCALL SDL_GetWindowPixelFormat(SDL_Window * window);
  *  If the window is created with any of the SDL_WINDOW_OPENGL or
  *  SDL_WINDOW_VULKAN flags, then the corresponding LoadLibrary function
  *  (SDL_GL_LoadLibrary or SDL_Vulkan_LoadLibrary) is called and the
- *  corrensponding UnloadLibrary function is called by SDL_DestroyWindow().
+ *  corresponding UnloadLibrary function is called by SDL_DestroyWindow().
  *
  *  If SDL_WINDOW_VULKAN is specified and there isn't a working Vulkan driver,
  *  SDL_CreateWindow() will fail because SDL_Vulkan_LoadLibrary() will fail.
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_vulkan.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_vulkan.h
index 803b5feef3489ba257ae3664cc93afc9f8fbcf1d..972cca4d7c2658f735d96d549ccd2a5819592b16 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_vulkan.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/SDL_vulkan.h
@@ -69,30 +69,43 @@ typedef VkSurfaceKHR SDL_vulkanSurface; /* for compatibility with Tizen */
  *  \brief Dynamically load a Vulkan loader library.
  *
  *  \param [in] path The platform dependent Vulkan loader library name, or
- *              \c NULL to open the default Vulkan loader library.
+ *              \c NULL.
  *
  *  \return \c 0 on success, or \c -1 if the library couldn't be loaded.
  *
- *  This should be done after initializing the video driver, but before
+ *  If \a path is NULL SDL will use the value of the environment variable
+ *  \c SDL_VULKAN_LIBRARY, if set, otherwise it loads the default Vulkan
+ *  loader library.
+ *
+ *  This should be called after initializing the video driver, but before
  *  creating any Vulkan windows. If no Vulkan loader library is loaded, the
  *  default library will be loaded upon creation of the first Vulkan window.
  *
- *  \note If you specify a non-NULL \a path, you should retrieve all of the
- *        Vulkan functions used in your program from the dynamic library using
+ *  \note It is fairly common for Vulkan applications to link with \a libvulkan
+ *        instead of explicitly loading it at run time. This will work with
+ *        SDL provided the application links to a dynamic library and both it
+ *        and SDL use the same search path.
+ *
+ *  \note If you specify a non-NULL \c path, an application should retrieve all
+ *        of the Vulkan functions it uses from the dynamic library using
  *        \c SDL_Vulkan_GetVkGetInstanceProcAddr() unless you can guarantee
- *        \a path points to the same vulkan loader library that you linked to.
+ *        \c path points to the same vulkan loader library the application
+ *        linked to.
  *
  *  \note On Apple devices, if \a path is NULL, SDL will attempt to find
  *        the vkGetInstanceProcAddr address within all the mach-o images of
- *        the current process. This is because the currently (v0.17.0)
- *        recommended MoltenVK (Vulkan on Metal) usage is as a static library.
- *        If it is not found then SDL will attempt to load \c libMoltenVK.dylib.
- *        Applications using the dylib alternative therefore do not need to do
- *        anything special when calling SDL.
- *
- *  \note On non-Apple devices, SDL requires you to either not link to the
- *        Vulkan loader or link to a dynamic library version. This limitation
- *        may be removed in a future version of SDL.
+ *        the current process. This is because it is fairly common for Vulkan
+ *        applications to link with libvulkan (and historically MoltenVK was
+ *        provided as a static library). If it is not found then, on macOS, SDL
+ *        will attempt to load \c vulkan.framework/vulkan, \c libvulkan.1.dylib,
+ *        \c MoltenVK.framework/MoltenVK and \c libMoltenVK.dylib in that order.
+ *        On iOS SDL will attempt to load \c libMoltenVK.dylib. Applications
+ *        using a dynamic framework or .dylib must ensure it is included in its
+ *        application bundle.
+ *
+ *  \note On non-Apple devices, application linking with a static libvulkan is
+ *        not supported. Either do not link to the Vulkan loader or link to a
+ *        dynamic library version.
  *
  *  \note This function will fail if there are no working Vulkan drivers
  *        installed.
@@ -122,11 +135,11 @@ extern DECLSPEC void SDLCALL SDL_Vulkan_UnloadLibrary(void);
  *  \brief Get the names of the Vulkan instance extensions needed to create
  *         a surface with \c SDL_Vulkan_CreateSurface().
  *
- *  \param [in]     window Window for which the required Vulkan instance
+ *  \param [in]     \c NULL or window Window for which the required Vulkan instance
  *                  extensions should be retrieved
- *  \param [in,out] count pointer to an \c unsigned related to the number of
+ *  \param [in,out] pCount pointer to an \c unsigned related to the number of
  *                  required Vulkan instance extensions
- *  \param [out]    names \c NULL or a pointer to an array to be filled with the
+ *  \param [out]    pNames \c NULL or a pointer to an array to be filled with the
  *                  required Vulkan instance extensions
  *
  *  \return \c SDL_TRUE on success, \c SDL_FALSE on error.
@@ -140,6 +153,10 @@ extern DECLSPEC void SDLCALL SDL_Vulkan_UnloadLibrary(void);
  *  is smaller than the number of required extensions, \c SDL_FALSE will be
  *  returned instead of \c SDL_TRUE, to indicate that not all the required
  *  extensions were returned.
+ * 
+ *  \note If \c window is not NULL, it will be checked against its creation
+ *        flags to ensure that the Vulkan flag is present. This parameter
+ *        will be removed in a future major release.
  *
  *  \note The returned list of extensions will contain \c VK_KHR_surface
  *        and zero or more platform specific extensions
@@ -147,12 +164,13 @@ extern DECLSPEC void SDLCALL SDL_Vulkan_UnloadLibrary(void);
  *  \note The extension names queried here must be enabled when calling
  *        VkCreateInstance, otherwise surface creation will fail.
  *
- *  \note \c window should have been created with the \c SDL_WINDOW_VULKAN flag.
+ *  \note \c window should have been created with the \c SDL_WINDOW_VULKAN flag
+ *        or be \c NULL
  *
  *  \code
  *  unsigned int count;
  *  // get count of required extensions
- *  if(!SDL_Vulkan_GetInstanceExtensions(window, &count, NULL))
+ *  if(!SDL_Vulkan_GetInstanceExtensions(NULL, &count, NULL))
  *      handle_error();
  *
  *  static const char *const additionalExtensions[] =
@@ -166,7 +184,7 @@ extern DECLSPEC void SDLCALL SDL_Vulkan_UnloadLibrary(void);
  *      handle_error();
  *
  *  // get names of required extensions
- *  if(!SDL_Vulkan_GetInstanceExtensions(window, &count, names))
+ *  if(!SDL_Vulkan_GetInstanceExtensions(NULL, &count, names))
  *      handle_error();
  *
  *  // copy additional extensions after required extensions
@@ -240,6 +258,9 @@ extern DECLSPEC SDL_bool SDLCALL SDL_Vulkan_CreateSurface(
  * platform with high-DPI support (Apple calls this "Retina"), and not disabled
  * by the \c SDL_HINT_VIDEO_HIGHDPI_DISABLED hint.
  *
+ *  \note On macOS high-DPI support must be enabled for an application by
+ *        setting NSHighResolutionCapable to true in its Info.plist.
+ *
  *  \sa SDL_GetWindowSize()
  *  \sa SDL_CreateWindow()
  */
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/begin_code.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/begin_code.h
index 5372d6f04df418acb02bf51cd545c2170bb73849..6c2106246f2583ba711451bc7e39fc2af7e9eec7 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/begin_code.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/begin_code.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/close_code.h b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/close_code.h
index 2a352dbb9ec7502c62b561f30bd7433b18e581d1..b3b70a4c833d80305bbffd306c8ac099babdf419 100644
--- a/libs/SDL2/x86_64-w64-mingw32/include/SDL2/close_code.h
+++ b/libs/SDL2/x86_64-w64-mingw32/include/SDL2/close_code.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2/x86_64-w64-mingw32/lib/cmake/SDL2/sdl2-config.cmake b/libs/SDL2/x86_64-w64-mingw32/lib/cmake/SDL2/sdl2-config.cmake
index f5bfc3b797c7bc03dc127c9d096c781d8a5218c3..455d8ed55aa4860f8c85b7be139afe131a36c4fd 100644
--- a/libs/SDL2/x86_64-w64-mingw32/lib/cmake/SDL2/sdl2-config.cmake
+++ b/libs/SDL2/x86_64-w64-mingw32/lib/cmake/SDL2/sdl2-config.cmake
@@ -1,11 +1,11 @@
 # sdl2 cmake project-config input for ./configure scripts
 
-set(prefix "/usr/local/x86_64-w64-mingw32") 
+set(prefix "/opt/local/x86_64-w64-mingw32") 
 set(exec_prefix "${prefix}")
 set(libdir "${exec_prefix}/lib")
-set(SDL2_PREFIX "/usr/local/x86_64-w64-mingw32")
-set(SDL2_EXEC_PREFIX "/usr/local/x86_64-w64-mingw32")
+set(SDL2_PREFIX "/opt/local/x86_64-w64-mingw32")
+set(SDL2_EXEC_PREFIX "/opt/local/x86_64-w64-mingw32")
 set(SDL2_LIBDIR "${exec_prefix}/lib")
 set(SDL2_INCLUDE_DIRS "${prefix}/include/SDL2")
-set(SDL2_LIBRARIES "-L${SDL2_LIBDIR}  -lmingw32 -lSDL2main -lSDL2  -mwindows")
+set(SDL2_LIBRARIES "-L${SDL2_LIBDIR}  -lmingw32 -lSDL2main -lSDL2 -mwindows")
 string(STRIP "${SDL2_LIBRARIES}" SDL2_LIBRARIES)
diff --git a/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2.a b/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2.a
index d81a9cbcfdb9bfbc18bf3f0808272b47ba616fc8..8279506827fce6c54f19e0d1376ff5d03abe5da3 100644
Binary files a/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2.a and b/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2.a differ
diff --git a/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2.dll.a b/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2.dll.a
index 65648749ce65704ec31fc18ad33e2cb5f7b99bca..669b6a6378b8c870c6da55d554d54a6d12061bb5 100755
Binary files a/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2.dll.a and b/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2.dll.a differ
diff --git a/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2.la b/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2.la
new file mode 100644
index 0000000000000000000000000000000000000000..d5295eec8bed2925b2151577d8518dc995fb6000
--- /dev/null
+++ b/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2.la
@@ -0,0 +1,41 @@
+# libSDL2.la - a libtool library file
+# Generated by libtool (GNU libtool) 2.4.2
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# The name that we can dlopen(3).
+dlname='../bin/SDL2.dll'
+
+# Names of this library.
+library_names='libSDL2.dll.a'
+
+# The name of the static archive.
+old_library='libSDL2.a'
+
+# Linker flags that can not go in dependency_libs.
+inherited_linker_flags=''
+
+# Libraries that this one depends upon.
+dependency_libs=' -ldinput8 -ldxguid -ldxerr8 -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lsetupapi -lversion -luuid'
+
+# Names of additional weak libraries provided by this library
+weak_library_names=''
+
+# Version information for libSDL2.
+current=9
+age=9
+revision=0
+
+# Is this an already installed library?
+installed=yes
+
+# Should we warn about portability when linking against -modules?
+shouldnotlink=no
+
+# Files to dlopen/dlpreopen
+dlopen=''
+dlpreopen=''
+
+# Directory that this library needs to be installed in:
+libdir='/Users/valve/release/SDL/SDL2-2.0.9/x86_64-w64-mingw32/lib'
diff --git a/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2_test.a b/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2_test.a
index af32f8689c25e98815a79601e725008161b1374e..fcbdbbf76211f12f77fb4a95bcd0eac68e1aca42 100644
Binary files a/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2_test.a and b/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2_test.a differ
diff --git a/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2_test.la b/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2_test.la
new file mode 100644
index 0000000000000000000000000000000000000000..76ad43f0f49d5e79da26057c43edc4ee4fc00dd5
--- /dev/null
+++ b/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2_test.la
@@ -0,0 +1,41 @@
+# libSDL2_test.la - a libtool library file
+# Generated by libtool (GNU libtool) 2.4.2
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# The name that we can dlopen(3).
+dlname=''
+
+# Names of this library.
+library_names=''
+
+# The name of the static archive.
+old_library='libSDL2_test.a'
+
+# Linker flags that can not go in dependency_libs.
+inherited_linker_flags=''
+
+# Libraries that this one depends upon.
+dependency_libs=''
+
+# Names of additional weak libraries provided by this library
+weak_library_names=''
+
+# Version information for libSDL2_test.
+current=0
+age=0
+revision=0
+
+# Is this an already installed library?
+installed=yes
+
+# Should we warn about portability when linking against -modules?
+shouldnotlink=no
+
+# Files to dlopen/dlpreopen
+dlopen=''
+dlpreopen=''
+
+# Directory that this library needs to be installed in:
+libdir='/Users/valve/release/SDL/SDL2-2.0.9/x86_64-w64-mingw32/lib'
diff --git a/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2main.a b/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2main.a
index decdd5a0f008f7cb03f17d9137ffbe5c5ad29702..3a26e430db838e098490e496082a80eed9e75679 100644
Binary files a/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2main.a and b/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2main.a differ
diff --git a/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2main.la b/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2main.la
new file mode 100644
index 0000000000000000000000000000000000000000..5aa4693331f8406263ae893d2a7d8499049b8e50
--- /dev/null
+++ b/libs/SDL2/x86_64-w64-mingw32/lib/libSDL2main.la
@@ -0,0 +1,41 @@
+# libSDL2main.la - a libtool library file
+# Generated by libtool (GNU libtool) 2.4.2
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# The name that we can dlopen(3).
+dlname=''
+
+# Names of this library.
+library_names=''
+
+# The name of the static archive.
+old_library='libSDL2main.a'
+
+# Linker flags that can not go in dependency_libs.
+inherited_linker_flags=''
+
+# Libraries that this one depends upon.
+dependency_libs=''
+
+# Names of additional weak libraries provided by this library
+weak_library_names=''
+
+# Version information for libSDL2main.
+current=0
+age=0
+revision=0
+
+# Is this an already installed library?
+installed=yes
+
+# Should we warn about portability when linking against -modules?
+shouldnotlink=no
+
+# Files to dlopen/dlpreopen
+dlopen=''
+dlpreopen=''
+
+# Directory that this library needs to be installed in:
+libdir='/Users/valve/release/SDL/SDL2-2.0.9/x86_64-w64-mingw32/lib'
diff --git a/libs/SDL2/x86_64-w64-mingw32/lib/pkgconfig/sdl2.pc b/libs/SDL2/x86_64-w64-mingw32/lib/pkgconfig/sdl2.pc
index d06fc29cd57d3d44c9c4eade58eeb900b89127b1..ae83be160346141441a84d33d2ea33c2e9ce0b7e 100644
--- a/libs/SDL2/x86_64-w64-mingw32/lib/pkgconfig/sdl2.pc
+++ b/libs/SDL2/x86_64-w64-mingw32/lib/pkgconfig/sdl2.pc
@@ -1,15 +1,15 @@
 # sdl pkg-config source file
 
-prefix=/usr/local/x86_64-w64-mingw32
+prefix=/opt/local/x86_64-w64-mingw32
 exec_prefix=${prefix}
 libdir=${exec_prefix}/lib
 includedir=${prefix}/include
 
 Name: sdl2
 Description: Simple DirectMedia Layer is a cross-platform multimedia library designed to provide low level access to audio, keyboard, mouse, joystick, 3D hardware via OpenGL, and 2D video framebuffer.
-Version: 2.0.7
+Version: 2.0.9
 Requires:
 Conflicts:
-Libs: -L${libdir}  -lmingw32 -lSDL2main -lSDL2  -mwindows
-Libs.private: -lmingw32 -lSDL2main -lSDL2  -mwindows  -Wl,--no-undefined -lm -ldinput8 -ldxguid -ldxerr8 -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lversion -luuid -static-libgcc
+Libs: -L${libdir}  -lmingw32 -lSDL2main -lSDL2 -mwindows
+Libs.private: -lmingw32 -lSDL2main -lSDL2 -mwindows  -Wl,--no-undefined -lm -ldinput8 -ldxguid -ldxerr8 -luser32 -lgdi32 -lwinmm -limm32 -lole32 -loleaut32 -lshell32 -lsetupapi -lversion -luuid -static-libgcc
 Cflags: -I${includedir}/SDL2  -Dmain=SDL_main
diff --git a/libs/SDL2_mixer/CHANGES.txt b/libs/SDL2_mixer/CHANGES.txt
index 1c99deb8ed1f16397e8a03ced510c176d5cd34db..7760ddfe33b4abb709da995ab957bece3522850c 100644
--- a/libs/SDL2_mixer/CHANGES.txt
+++ b/libs/SDL2_mixer/CHANGES.txt
@@ -1,3 +1,15 @@
+2.0.4:
+Ozkan Sezer - Wed, 10 Oct 2018 14:56:10
+ * Removed smpeg support for mp3 music, now that it's replaced by libmpg123
+Ozkan Sezer - Sun, 07 Oct 2018 08:50:02
+ * Fixed mp3 mad decoder to skip tags, which otherwise would lead to crashes
+Ozkan Sezer - Fri, 15 Jun 2018 05:32:56
+ * Added support for Opus music playback using opusfile library
+
+2.0.3:
+Sam Lantinga - Thu, Mar  1, 2018  9:06:58 AM
+ * Fixed regression where Mix_Init() would return 0 for available music formats
+
 2.0.2:
 Sam Lantinga - Fri Oct 20 22:04:50 PDT 2017
  * Implemented 24-bit and surround sound support for FLAC audio files
diff --git a/libs/SDL2_mixer/COPYING.txt b/libs/SDL2_mixer/COPYING.txt
index 056d0f35256b07c9f108233e1fa28c187dd9998f..234a5a5efd51fd6fca18282cabff68d893cda6ab 100644
--- a/libs/SDL2_mixer/COPYING.txt
+++ b/libs/SDL2_mixer/COPYING.txt
@@ -1,6 +1,6 @@
 /*
   SDL_mixer:  An audio mixer library based on the SDL library
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
diff --git a/libs/SDL2_mixer/README.txt b/libs/SDL2_mixer/README.txt
index 14de6e002567608d39d64f0ac268fe40af44158e..a639c37bc6f09c7ce2ce6ea16376e6ff4a5dfd42 100644
--- a/libs/SDL2_mixer/README.txt
+++ b/libs/SDL2_mixer/README.txt
@@ -14,7 +14,7 @@ for documentation on this mixer library.
 The mixer can currently load Microsoft WAVE files and Creative Labs VOC
 files as audio samples, it can load FLAC files with libFLAC, it can load
 Ogg Vorbis files with Ogg Vorbis or Tremor libraries, it can load MP3 files
-using mpg123, SMPEG or libmad, and it can load MIDI files with Timidity,
+using mpg123 or libmad, and it can load MIDI files with Timidity,
 FluidSynth, and natively on Windows, Mac OSX, and Linux, and finally it can
 load the following file formats via ModPlug or MikMod: .MOD .S3M .IT .XM.
 
diff --git a/libs/SDL2_mixer/SRB2NOTE.txt b/libs/SDL2_mixer/SRB2NOTE.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7053c44f66de850cde4d6448797dc6a443e29f4b
--- /dev/null
+++ b/libs/SDL2_mixer/SRB2NOTE.txt
@@ -0,0 +1,15 @@
+# SDL Mixer Development Libaries
+
+Download both the VC and MinGW packages and extract them here.
+
+https://www.libsdl.org/projects/SDL_mixer/
+
+## VC Package
+
+* include
+* lib
+
+## MinGW Package
+
+* i686-w64-mingw32
+* x86_64-w64-mingw32
diff --git a/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.FLAC.txt b/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.FLAC.txt
index 94fd3aa692d3d4759fec1b13522d5db404e4508b..2e67b77cbb6ed89bd8c78b5d6a7f8e43974bf6f2 100644
--- a/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.FLAC.txt
+++ b/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.FLAC.txt
@@ -1,5 +1,5 @@
 The source code to this library used with SDL_mixer can be found here:
-http://www.libsdl.org/projects/SDL_mixer/libs/
+https://hg.libsdl.org/SDL_mixer/file/default/external
 ---
 
 Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007  Josh Coalson
diff --git a/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.modplug.txt b/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.modplug.txt
index 59fbf826c3b3a602bec0a23e347202be0f618aba..a89532db83cd3b7fa8575b38ce08065e92132856 100644
--- a/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.modplug.txt
+++ b/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.modplug.txt
@@ -1 +1,5 @@
+The source code to this library used with SDL_mixer can be found here:
+https://hg.libsdl.org/SDL_mixer/file/default/external
+---
+
 ModPlug-XMMS and libmodplug are now in the public domain.
diff --git a/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.mpg123.txt b/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.mpg123.txt
index d7bb85fc3be6d8a00bc8e875569d30deb9f0dceb..2111cd79fafac286df4728c833cc0268c960e328 100644
--- a/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.mpg123.txt
+++ b/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.mpg123.txt
@@ -1,3 +1,7 @@
+The source code to this library used with SDL_mixer can be found here:
+https://hg.libsdl.org/SDL_mixer/file/default/external
+---
+
 This is the file that contains the terms of use, copying, etc. for the mpg123 distribution package.
 
 Main message, to include in "About ..." boxes, etc:
diff --git a/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.ogg-vorbis.txt b/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.ogg-vorbis.txt
index c2cb6d56eb51b788c61183f83133283f22383926..6456dc4ed17fb4de76e4f19318de3c0021b63684 100644
--- a/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.ogg-vorbis.txt
+++ b/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.ogg-vorbis.txt
@@ -1,5 +1,5 @@
 The source code to this library used with SDL_mixer can be found here:
-http://www.libsdl.org/projects/SDL_mixer/libs/
+https://hg.libsdl.org/SDL_image/file/default/external
 ---
 
 Copyright (c) 2002-2008 Xiph.org Foundation
diff --git a/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.opus.txt b/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.opus.txt
new file mode 100644
index 0000000000000000000000000000000000000000..adb56a854b6eff6d2afa846d13d38128e62c40c6
--- /dev/null
+++ b/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.opus.txt
@@ -0,0 +1,48 @@
+The source code to this library used with SDL_mixer can be found here:
+https://hg.libsdl.org/SDL_mixer/file/default/external
+---
+
+Copyright 2001-2011 Xiph.Org, Skype Limited, Octasic,
+                    Jean-Marc Valin, Timothy B. Terriberry,
+                    CSIRO, Gregory Maxwell, Mark Borgerding,
+                    Erik de Castro Lopo
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+- Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+
+- Neither the name of Internet Society, IETF or IETF Trust, nor the 
+names of specific contributors, may be used to endorse or promote
+products derived from this software without specific prior written
+permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+Opus is subject to the royalty-free patent licenses which are
+specified at:
+
+Xiph.Org Foundation:
+https://datatracker.ietf.org/ipr/1524/
+
+Microsoft Corporation:
+https://datatracker.ietf.org/ipr/1914/
+
+Broadcom Corporation:
+https://datatracker.ietf.org/ipr/1526/
diff --git a/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.opusfile.txt b/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.opusfile.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dfc9681fcf54ba50bc0ee265bdc1ed9386840846
--- /dev/null
+++ b/libs/SDL2_mixer/i686-w64-mingw32/bin/LICENSE.opusfile.txt
@@ -0,0 +1,32 @@
+The source code to this library used with SDL_mixer can be found here:
+https://hg.libsdl.org/SDL_mixer/file/default/external
+---
+
+Copyright (c) 1994-2013 Xiph.Org Foundation and contributors
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+- Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+
+- Neither the name of the Xiph.Org Foundation nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION
+OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/libs/SDL2_mixer/i686-w64-mingw32/bin/SDL2_mixer.dll b/libs/SDL2_mixer/i686-w64-mingw32/bin/SDL2_mixer.dll
index 54ebbb1d48d0fbc7300678d5368ebb57ad493795..96abfa1ab759933e80342a202f1b80928d14858d 100755
Binary files a/libs/SDL2_mixer/i686-w64-mingw32/bin/SDL2_mixer.dll and b/libs/SDL2_mixer/i686-w64-mingw32/bin/SDL2_mixer.dll differ
diff --git a/libs/SDL2_mixer/i686-w64-mingw32/bin/libFLAC-8.dll b/libs/SDL2_mixer/i686-w64-mingw32/bin/libFLAC-8.dll
index 1c55ad4966a52c673e54be638bf97196ad7bf2fa..b56ea2a8c3d9fea131c88d0d3f6c3419b8e01166 100755
Binary files a/libs/SDL2_mixer/i686-w64-mingw32/bin/libFLAC-8.dll and b/libs/SDL2_mixer/i686-w64-mingw32/bin/libFLAC-8.dll differ
diff --git a/libs/SDL2_mixer/i686-w64-mingw32/bin/libmodplug-1.dll b/libs/SDL2_mixer/i686-w64-mingw32/bin/libmodplug-1.dll
index a2cba0d6b5cf20d7fa854a1c698dfc1b2b45d714..d66a317ddfe8d56309ff2e63fe66d62edb68a710 100755
Binary files a/libs/SDL2_mixer/i686-w64-mingw32/bin/libmodplug-1.dll and b/libs/SDL2_mixer/i686-w64-mingw32/bin/libmodplug-1.dll differ
diff --git a/libs/SDL2_mixer/i686-w64-mingw32/bin/libmpg123-0.dll b/libs/SDL2_mixer/i686-w64-mingw32/bin/libmpg123-0.dll
index ca7de300d7db8875d19fc379dd36a37504bd70ca..240298bbfc04835998085ab5054ee5111e83c702 100755
Binary files a/libs/SDL2_mixer/i686-w64-mingw32/bin/libmpg123-0.dll and b/libs/SDL2_mixer/i686-w64-mingw32/bin/libmpg123-0.dll differ
diff --git a/libs/SDL2_mixer/i686-w64-mingw32/bin/libogg-0.dll b/libs/SDL2_mixer/i686-w64-mingw32/bin/libogg-0.dll
index 3abe6ebfca1a9a96b2b679aa971302dcb5f66743..233c0f42a8379b75b3aeb681436519379079fa8e 100755
Binary files a/libs/SDL2_mixer/i686-w64-mingw32/bin/libogg-0.dll and b/libs/SDL2_mixer/i686-w64-mingw32/bin/libogg-0.dll differ
diff --git a/libs/SDL2_mixer/i686-w64-mingw32/bin/libopus-0.dll b/libs/SDL2_mixer/i686-w64-mingw32/bin/libopus-0.dll
new file mode 100644
index 0000000000000000000000000000000000000000..94ea541d283adca154b853671e78101ad2625c90
Binary files /dev/null and b/libs/SDL2_mixer/i686-w64-mingw32/bin/libopus-0.dll differ
diff --git a/libs/SDL2_mixer/i686-w64-mingw32/bin/libopusfile-0.dll b/libs/SDL2_mixer/i686-w64-mingw32/bin/libopusfile-0.dll
new file mode 100644
index 0000000000000000000000000000000000000000..260796b6aa5a7da89c729a465141d8ff7036695b
Binary files /dev/null and b/libs/SDL2_mixer/i686-w64-mingw32/bin/libopusfile-0.dll differ
diff --git a/libs/SDL2_mixer/i686-w64-mingw32/bin/libvorbis-0.dll b/libs/SDL2_mixer/i686-w64-mingw32/bin/libvorbis-0.dll
index 4e44ef0886511997ef9f14a2a3a49b3b5291c336..4e4aaa543b55575edb1bda0d6c1c5dd341a7727f 100755
Binary files a/libs/SDL2_mixer/i686-w64-mingw32/bin/libvorbis-0.dll and b/libs/SDL2_mixer/i686-w64-mingw32/bin/libvorbis-0.dll differ
diff --git a/libs/SDL2_mixer/i686-w64-mingw32/bin/libvorbisfile-3.dll b/libs/SDL2_mixer/i686-w64-mingw32/bin/libvorbisfile-3.dll
index e757eb6ded42f8a14b0e3cdb1ad4b76a4fac6f12..5d90a235c988cb15b0f9dc2deb7b065a25b47f2e 100755
Binary files a/libs/SDL2_mixer/i686-w64-mingw32/bin/libvorbisfile-3.dll and b/libs/SDL2_mixer/i686-w64-mingw32/bin/libvorbisfile-3.dll differ
diff --git a/libs/SDL2_mixer/i686-w64-mingw32/include/SDL2/SDL_mixer.h b/libs/SDL2_mixer/i686-w64-mingw32/include/SDL2/SDL_mixer.h
index cbb8ae6b65ad8325c961f3fc664e6fd8a1bbfd6f..009d8a2da6725c58c87a11b09e08ee5bc8e6a2da 100644
--- a/libs/SDL2_mixer/i686-w64-mingw32/include/SDL2/SDL_mixer.h
+++ b/libs/SDL2_mixer/i686-w64-mingw32/include/SDL2/SDL_mixer.h
@@ -1,6 +1,6 @@
 /*
   SDL_mixer:  An audio mixer library based on the SDL library
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -38,7 +38,7 @@ extern "C" {
 */
 #define SDL_MIXER_MAJOR_VERSION 2
 #define SDL_MIXER_MINOR_VERSION 0
-#define SDL_MIXER_PATCHLEVEL    2
+#define SDL_MIXER_PATCHLEVEL    4
 
 /* This macro can be used to fill a version structure with the compile-time
  * version of the SDL_mixer library.
@@ -80,7 +80,8 @@ typedef enum
     MIX_INIT_MOD    = 0x00000002,
     MIX_INIT_MP3    = 0x00000008,
     MIX_INIT_OGG    = 0x00000010,
-    MIX_INIT_MID    = 0x00000020
+    MIX_INIT_MID    = 0x00000020,
+    MIX_INIT_OPUS   = 0x00000040
 } MIX_InitFlags;
 
 /* Loads dynamic libraries and prepares them for use.  Flags should be
@@ -134,7 +135,8 @@ typedef enum {
     MUS_MP3,
     MUS_MP3_MAD_UNUSED,
     MUS_FLAC,
-    MUS_MODPLUG_UNUSED
+    MUS_MODPLUG_UNUSED,
+    MUS_OPUS
 } Mix_MusicType;
 
 /* The internal format for a music chunk interpreted via mikmod */
diff --git a/libs/SDL2_mixer/i686-w64-mingw32/lib/libSDL2_mixer.a b/libs/SDL2_mixer/i686-w64-mingw32/lib/libSDL2_mixer.a
index 9cc3ed19c47a87da0addd390ee03268bb186407d..5c780be5148ee4805f223a3c96d636098608e65c 100644
Binary files a/libs/SDL2_mixer/i686-w64-mingw32/lib/libSDL2_mixer.a and b/libs/SDL2_mixer/i686-w64-mingw32/lib/libSDL2_mixer.a differ
diff --git a/libs/SDL2_mixer/i686-w64-mingw32/lib/libSDL2_mixer.dll.a b/libs/SDL2_mixer/i686-w64-mingw32/lib/libSDL2_mixer.dll.a
index 6b63de0ee7b7ddfb5f3e716f6340c08546957219..ac90388f2af7c0bc6ff1008b2bc3d210517539fb 100755
Binary files a/libs/SDL2_mixer/i686-w64-mingw32/lib/libSDL2_mixer.dll.a and b/libs/SDL2_mixer/i686-w64-mingw32/lib/libSDL2_mixer.dll.a differ
diff --git a/libs/SDL2_mixer/i686-w64-mingw32/lib/libSDL2_mixer.la b/libs/SDL2_mixer/i686-w64-mingw32/lib/libSDL2_mixer.la
new file mode 100644
index 0000000000000000000000000000000000000000..f8179ea8cd40a65ca0e80c40dd8565a53a7e1af4
--- /dev/null
+++ b/libs/SDL2_mixer/i686-w64-mingw32/lib/libSDL2_mixer.la
@@ -0,0 +1,41 @@
+# libSDL2_mixer.la - a libtool library file
+# Generated by ltmain.sh (GNU libtool) 2.2.6
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# The name that we can dlopen(3).
+dlname='../bin/SDL2_mixer.dll'
+
+# Names of this library.
+library_names='libSDL2_mixer.dll.a'
+
+# The name of the static archive.
+old_library='libSDL2_mixer.a'
+
+# Linker flags that can not go in dependency_libs.
+inherited_linker_flags=''
+
+# Libraries that this one depends upon.
+dependency_libs=' -L/opt/local/i686-w64-mingw32/lib -lmingw32 /opt/local/i686-w64-mingw32/lib/libSDL2.la -ldinput8 -ldxguid -ldxerr8 -luser32 -lgdi32 -limm32 -lole32 -loleaut32 -lshell32 -lsetupapi -lversion -luuid -lwinmm'
+
+# Names of additional weak libraries provided by this library
+weak_library_names=''
+
+# Version information for libSDL2_mixer.
+current=2
+age=2
+revision=2
+
+# Is this an already installed library?
+installed=yes
+
+# Should we warn about portability when linking against -modules?
+shouldnotlink=no
+
+# Files to dlopen/dlpreopen
+dlopen=''
+dlpreopen=''
+
+# Directory that this library needs to be installed in:
+libdir='/Users/valve/release/SDL_mixer/SDL2_mixer-2.0.4/i686-w64-mingw32/lib'
diff --git a/libs/SDL2_mixer/i686-w64-mingw32/lib/pkgconfig/SDL2_mixer.pc b/libs/SDL2_mixer/i686-w64-mingw32/lib/pkgconfig/SDL2_mixer.pc
index 76ba57fab61143f0ca31ff68d1193522b44239cf..0b8410993f73f82ff7d6f8f93f1c8e2721e049fb 100644
--- a/libs/SDL2_mixer/i686-w64-mingw32/lib/pkgconfig/SDL2_mixer.pc
+++ b/libs/SDL2_mixer/i686-w64-mingw32/lib/pkgconfig/SDL2_mixer.pc
@@ -1,11 +1,11 @@
-prefix=/usr/local/i686-w64-mingw32
+prefix=/opt/local/i686-w64-mingw32
 exec_prefix=${prefix}
 libdir=${exec_prefix}/lib
 includedir=${prefix}/include
 
 Name: SDL2_mixer
 Description: mixer library for Simple DirectMedia Layer
-Version: 2.0.2
+Version: 2.0.4
 Requires: sdl2 >= 2.0.7
 Libs: -L${libdir} -lSDL2_mixer
 Cflags: -I${includedir}/SDL2
diff --git a/libs/SDL2_mixer/include/SDL_mixer.h b/libs/SDL2_mixer/include/SDL_mixer.h
index cbb8ae6b65ad8325c961f3fc664e6fd8a1bbfd6f..009d8a2da6725c58c87a11b09e08ee5bc8e6a2da 100644
--- a/libs/SDL2_mixer/include/SDL_mixer.h
+++ b/libs/SDL2_mixer/include/SDL_mixer.h
@@ -1,6 +1,6 @@
 /*
   SDL_mixer:  An audio mixer library based on the SDL library
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -38,7 +38,7 @@ extern "C" {
 */
 #define SDL_MIXER_MAJOR_VERSION 2
 #define SDL_MIXER_MINOR_VERSION 0
-#define SDL_MIXER_PATCHLEVEL    2
+#define SDL_MIXER_PATCHLEVEL    4
 
 /* This macro can be used to fill a version structure with the compile-time
  * version of the SDL_mixer library.
@@ -80,7 +80,8 @@ typedef enum
     MIX_INIT_MOD    = 0x00000002,
     MIX_INIT_MP3    = 0x00000008,
     MIX_INIT_OGG    = 0x00000010,
-    MIX_INIT_MID    = 0x00000020
+    MIX_INIT_MID    = 0x00000020,
+    MIX_INIT_OPUS   = 0x00000040
 } MIX_InitFlags;
 
 /* Loads dynamic libraries and prepares them for use.  Flags should be
@@ -134,7 +135,8 @@ typedef enum {
     MUS_MP3,
     MUS_MP3_MAD_UNUSED,
     MUS_FLAC,
-    MUS_MODPLUG_UNUSED
+    MUS_MODPLUG_UNUSED,
+    MUS_OPUS
 } Mix_MusicType;
 
 /* The internal format for a music chunk interpreted via mikmod */
diff --git a/libs/SDL2_mixer/lib/x64/LICENSE.FLAC.txt b/libs/SDL2_mixer/lib/x64/LICENSE.FLAC.txt
index 94fd3aa692d3d4759fec1b13522d5db404e4508b..2e67b77cbb6ed89bd8c78b5d6a7f8e43974bf6f2 100644
--- a/libs/SDL2_mixer/lib/x64/LICENSE.FLAC.txt
+++ b/libs/SDL2_mixer/lib/x64/LICENSE.FLAC.txt
@@ -1,5 +1,5 @@
 The source code to this library used with SDL_mixer can be found here:
-http://www.libsdl.org/projects/SDL_mixer/libs/
+https://hg.libsdl.org/SDL_mixer/file/default/external
 ---
 
 Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007  Josh Coalson
diff --git a/libs/SDL2_mixer/lib/x64/LICENSE.modplug.txt b/libs/SDL2_mixer/lib/x64/LICENSE.modplug.txt
index 59fbf826c3b3a602bec0a23e347202be0f618aba..a89532db83cd3b7fa8575b38ce08065e92132856 100644
--- a/libs/SDL2_mixer/lib/x64/LICENSE.modplug.txt
+++ b/libs/SDL2_mixer/lib/x64/LICENSE.modplug.txt
@@ -1 +1,5 @@
+The source code to this library used with SDL_mixer can be found here:
+https://hg.libsdl.org/SDL_mixer/file/default/external
+---
+
 ModPlug-XMMS and libmodplug are now in the public domain.
diff --git a/libs/SDL2_mixer/lib/x64/LICENSE.mpg123.txt b/libs/SDL2_mixer/lib/x64/LICENSE.mpg123.txt
index d7bb85fc3be6d8a00bc8e875569d30deb9f0dceb..2111cd79fafac286df4728c833cc0268c960e328 100644
--- a/libs/SDL2_mixer/lib/x64/LICENSE.mpg123.txt
+++ b/libs/SDL2_mixer/lib/x64/LICENSE.mpg123.txt
@@ -1,3 +1,7 @@
+The source code to this library used with SDL_mixer can be found here:
+https://hg.libsdl.org/SDL_mixer/file/default/external
+---
+
 This is the file that contains the terms of use, copying, etc. for the mpg123 distribution package.
 
 Main message, to include in "About ..." boxes, etc:
diff --git a/libs/SDL2_mixer/lib/x64/LICENSE.ogg-vorbis.txt b/libs/SDL2_mixer/lib/x64/LICENSE.ogg-vorbis.txt
index c2cb6d56eb51b788c61183f83133283f22383926..6456dc4ed17fb4de76e4f19318de3c0021b63684 100644
--- a/libs/SDL2_mixer/lib/x64/LICENSE.ogg-vorbis.txt
+++ b/libs/SDL2_mixer/lib/x64/LICENSE.ogg-vorbis.txt
@@ -1,5 +1,5 @@
 The source code to this library used with SDL_mixer can be found here:
-http://www.libsdl.org/projects/SDL_mixer/libs/
+https://hg.libsdl.org/SDL_image/file/default/external
 ---
 
 Copyright (c) 2002-2008 Xiph.org Foundation
diff --git a/libs/SDL2_mixer/lib/x64/LICENSE.opus.txt b/libs/SDL2_mixer/lib/x64/LICENSE.opus.txt
new file mode 100644
index 0000000000000000000000000000000000000000..adb56a854b6eff6d2afa846d13d38128e62c40c6
--- /dev/null
+++ b/libs/SDL2_mixer/lib/x64/LICENSE.opus.txt
@@ -0,0 +1,48 @@
+The source code to this library used with SDL_mixer can be found here:
+https://hg.libsdl.org/SDL_mixer/file/default/external
+---
+
+Copyright 2001-2011 Xiph.Org, Skype Limited, Octasic,
+                    Jean-Marc Valin, Timothy B. Terriberry,
+                    CSIRO, Gregory Maxwell, Mark Borgerding,
+                    Erik de Castro Lopo
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+- Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+
+- Neither the name of Internet Society, IETF or IETF Trust, nor the 
+names of specific contributors, may be used to endorse or promote
+products derived from this software without specific prior written
+permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+Opus is subject to the royalty-free patent licenses which are
+specified at:
+
+Xiph.Org Foundation:
+https://datatracker.ietf.org/ipr/1524/
+
+Microsoft Corporation:
+https://datatracker.ietf.org/ipr/1914/
+
+Broadcom Corporation:
+https://datatracker.ietf.org/ipr/1526/
diff --git a/libs/SDL2_mixer/lib/x64/LICENSE.opusfile.txt b/libs/SDL2_mixer/lib/x64/LICENSE.opusfile.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dfc9681fcf54ba50bc0ee265bdc1ed9386840846
--- /dev/null
+++ b/libs/SDL2_mixer/lib/x64/LICENSE.opusfile.txt
@@ -0,0 +1,32 @@
+The source code to this library used with SDL_mixer can be found here:
+https://hg.libsdl.org/SDL_mixer/file/default/external
+---
+
+Copyright (c) 1994-2013 Xiph.Org Foundation and contributors
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+- Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+
+- Neither the name of the Xiph.Org Foundation nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION
+OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/libs/SDL2_mixer/lib/x64/SDL2_mixer.dll b/libs/SDL2_mixer/lib/x64/SDL2_mixer.dll
old mode 100755
new mode 100644
index 116bb1df6f93e2afddac4d97269348f4e1531528..40bb1c14638d0cd2e0cd3b00ceee416326fcd3ed
Binary files a/libs/SDL2_mixer/lib/x64/SDL2_mixer.dll and b/libs/SDL2_mixer/lib/x64/SDL2_mixer.dll differ
diff --git a/libs/SDL2_mixer/lib/x64/SDL2_mixer.lib b/libs/SDL2_mixer/lib/x64/SDL2_mixer.lib
old mode 100755
new mode 100644
diff --git a/libs/SDL2_mixer/lib/x64/libFLAC-8.dll b/libs/SDL2_mixer/lib/x64/libFLAC-8.dll
old mode 100755
new mode 100644
index b5603902d5ff26bc57d0f0025757b6f0d28a06a4..71f2e19d9cac86400bcfb3bb68a659b9773925ad
Binary files a/libs/SDL2_mixer/lib/x64/libFLAC-8.dll and b/libs/SDL2_mixer/lib/x64/libFLAC-8.dll differ
diff --git a/libs/SDL2_mixer/lib/x64/libmodplug-1.dll b/libs/SDL2_mixer/lib/x64/libmodplug-1.dll
old mode 100755
new mode 100644
index 31509378b5078d6b24c0b0a435a8d8dba7a94b2c..7c0512674e8e43019777928ca42aca50081a8795
Binary files a/libs/SDL2_mixer/lib/x64/libmodplug-1.dll and b/libs/SDL2_mixer/lib/x64/libmodplug-1.dll differ
diff --git a/libs/SDL2_mixer/lib/x64/libmpg123-0.dll b/libs/SDL2_mixer/lib/x64/libmpg123-0.dll
old mode 100755
new mode 100644
index d222d2dc500d2ab30b18a8dfa139ad71fa3dccfe..c7809b163f5e1d305341bba3e65874efac205792
Binary files a/libs/SDL2_mixer/lib/x64/libmpg123-0.dll and b/libs/SDL2_mixer/lib/x64/libmpg123-0.dll differ
diff --git a/libs/SDL2_mixer/lib/x64/libogg-0.dll b/libs/SDL2_mixer/lib/x64/libogg-0.dll
old mode 100755
new mode 100644
index 7b94e60325918c92b4b764cb738dd8f5c0c3379a..51334815979b8fe3a74fa39c3cc54eb4cd70c6ce
Binary files a/libs/SDL2_mixer/lib/x64/libogg-0.dll and b/libs/SDL2_mixer/lib/x64/libogg-0.dll differ
diff --git a/libs/SDL2_mixer/lib/x64/libopus-0.dll b/libs/SDL2_mixer/lib/x64/libopus-0.dll
new file mode 100644
index 0000000000000000000000000000000000000000..9ba6c3860c6daa71ae9646f01b43003dac3798f0
Binary files /dev/null and b/libs/SDL2_mixer/lib/x64/libopus-0.dll differ
diff --git a/libs/SDL2_mixer/lib/x64/libopusfile-0.dll b/libs/SDL2_mixer/lib/x64/libopusfile-0.dll
new file mode 100644
index 0000000000000000000000000000000000000000..97a88b6108980d2450acd66cb36193e4cfbaa30a
Binary files /dev/null and b/libs/SDL2_mixer/lib/x64/libopusfile-0.dll differ
diff --git a/libs/SDL2_mixer/lib/x64/libvorbis-0.dll b/libs/SDL2_mixer/lib/x64/libvorbis-0.dll
old mode 100755
new mode 100644
index 8d8d6537b1fc243e1926ec03a7be842b6a5d6fed..f5ae1bf754671625ec44f9992efb55e0ad5c2dec
Binary files a/libs/SDL2_mixer/lib/x64/libvorbis-0.dll and b/libs/SDL2_mixer/lib/x64/libvorbis-0.dll differ
diff --git a/libs/SDL2_mixer/lib/x64/libvorbisfile-3.dll b/libs/SDL2_mixer/lib/x64/libvorbisfile-3.dll
old mode 100755
new mode 100644
index 08f8f7aa82ede72a588bb10daef73cd94dad137b..d0787368a3e30fd363c1324423c78d7e06add0be
Binary files a/libs/SDL2_mixer/lib/x64/libvorbisfile-3.dll and b/libs/SDL2_mixer/lib/x64/libvorbisfile-3.dll differ
diff --git a/libs/SDL2_mixer/lib/x86/LICENSE.FLAC.txt b/libs/SDL2_mixer/lib/x86/LICENSE.FLAC.txt
index 94fd3aa692d3d4759fec1b13522d5db404e4508b..2e67b77cbb6ed89bd8c78b5d6a7f8e43974bf6f2 100644
--- a/libs/SDL2_mixer/lib/x86/LICENSE.FLAC.txt
+++ b/libs/SDL2_mixer/lib/x86/LICENSE.FLAC.txt
@@ -1,5 +1,5 @@
 The source code to this library used with SDL_mixer can be found here:
-http://www.libsdl.org/projects/SDL_mixer/libs/
+https://hg.libsdl.org/SDL_mixer/file/default/external
 ---
 
 Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007  Josh Coalson
diff --git a/libs/SDL2_mixer/lib/x86/LICENSE.modplug.txt b/libs/SDL2_mixer/lib/x86/LICENSE.modplug.txt
index 59fbf826c3b3a602bec0a23e347202be0f618aba..a89532db83cd3b7fa8575b38ce08065e92132856 100644
--- a/libs/SDL2_mixer/lib/x86/LICENSE.modplug.txt
+++ b/libs/SDL2_mixer/lib/x86/LICENSE.modplug.txt
@@ -1 +1,5 @@
+The source code to this library used with SDL_mixer can be found here:
+https://hg.libsdl.org/SDL_mixer/file/default/external
+---
+
 ModPlug-XMMS and libmodplug are now in the public domain.
diff --git a/libs/SDL2_mixer/lib/x86/LICENSE.mpg123.txt b/libs/SDL2_mixer/lib/x86/LICENSE.mpg123.txt
index d7bb85fc3be6d8a00bc8e875569d30deb9f0dceb..2111cd79fafac286df4728c833cc0268c960e328 100644
--- a/libs/SDL2_mixer/lib/x86/LICENSE.mpg123.txt
+++ b/libs/SDL2_mixer/lib/x86/LICENSE.mpg123.txt
@@ -1,3 +1,7 @@
+The source code to this library used with SDL_mixer can be found here:
+https://hg.libsdl.org/SDL_mixer/file/default/external
+---
+
 This is the file that contains the terms of use, copying, etc. for the mpg123 distribution package.
 
 Main message, to include in "About ..." boxes, etc:
diff --git a/libs/SDL2_mixer/lib/x86/LICENSE.ogg-vorbis.txt b/libs/SDL2_mixer/lib/x86/LICENSE.ogg-vorbis.txt
index c2cb6d56eb51b788c61183f83133283f22383926..6456dc4ed17fb4de76e4f19318de3c0021b63684 100644
--- a/libs/SDL2_mixer/lib/x86/LICENSE.ogg-vorbis.txt
+++ b/libs/SDL2_mixer/lib/x86/LICENSE.ogg-vorbis.txt
@@ -1,5 +1,5 @@
 The source code to this library used with SDL_mixer can be found here:
-http://www.libsdl.org/projects/SDL_mixer/libs/
+https://hg.libsdl.org/SDL_image/file/default/external
 ---
 
 Copyright (c) 2002-2008 Xiph.org Foundation
diff --git a/libs/SDL2_mixer/lib/x86/LICENSE.opus.txt b/libs/SDL2_mixer/lib/x86/LICENSE.opus.txt
new file mode 100644
index 0000000000000000000000000000000000000000..adb56a854b6eff6d2afa846d13d38128e62c40c6
--- /dev/null
+++ b/libs/SDL2_mixer/lib/x86/LICENSE.opus.txt
@@ -0,0 +1,48 @@
+The source code to this library used with SDL_mixer can be found here:
+https://hg.libsdl.org/SDL_mixer/file/default/external
+---
+
+Copyright 2001-2011 Xiph.Org, Skype Limited, Octasic,
+                    Jean-Marc Valin, Timothy B. Terriberry,
+                    CSIRO, Gregory Maxwell, Mark Borgerding,
+                    Erik de Castro Lopo
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+- Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+
+- Neither the name of Internet Society, IETF or IETF Trust, nor the 
+names of specific contributors, may be used to endorse or promote
+products derived from this software without specific prior written
+permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+Opus is subject to the royalty-free patent licenses which are
+specified at:
+
+Xiph.Org Foundation:
+https://datatracker.ietf.org/ipr/1524/
+
+Microsoft Corporation:
+https://datatracker.ietf.org/ipr/1914/
+
+Broadcom Corporation:
+https://datatracker.ietf.org/ipr/1526/
diff --git a/libs/SDL2_mixer/lib/x86/LICENSE.opusfile.txt b/libs/SDL2_mixer/lib/x86/LICENSE.opusfile.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dfc9681fcf54ba50bc0ee265bdc1ed9386840846
--- /dev/null
+++ b/libs/SDL2_mixer/lib/x86/LICENSE.opusfile.txt
@@ -0,0 +1,32 @@
+The source code to this library used with SDL_mixer can be found here:
+https://hg.libsdl.org/SDL_mixer/file/default/external
+---
+
+Copyright (c) 1994-2013 Xiph.Org Foundation and contributors
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+- Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+
+- Neither the name of the Xiph.Org Foundation nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION
+OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/libs/SDL2_mixer/lib/x86/SDL2_mixer.dll b/libs/SDL2_mixer/lib/x86/SDL2_mixer.dll
old mode 100755
new mode 100644
index 54ebbb1d48d0fbc7300678d5368ebb57ad493795..96abfa1ab759933e80342a202f1b80928d14858d
Binary files a/libs/SDL2_mixer/lib/x86/SDL2_mixer.dll and b/libs/SDL2_mixer/lib/x86/SDL2_mixer.dll differ
diff --git a/libs/SDL2_mixer/lib/x86/SDL2_mixer.lib b/libs/SDL2_mixer/lib/x86/SDL2_mixer.lib
old mode 100755
new mode 100644
diff --git a/libs/SDL2_mixer/lib/x86/libFLAC-8.dll b/libs/SDL2_mixer/lib/x86/libFLAC-8.dll
old mode 100755
new mode 100644
index 1c55ad4966a52c673e54be638bf97196ad7bf2fa..b56ea2a8c3d9fea131c88d0d3f6c3419b8e01166
Binary files a/libs/SDL2_mixer/lib/x86/libFLAC-8.dll and b/libs/SDL2_mixer/lib/x86/libFLAC-8.dll differ
diff --git a/libs/SDL2_mixer/lib/x86/libmodplug-1.dll b/libs/SDL2_mixer/lib/x86/libmodplug-1.dll
old mode 100755
new mode 100644
index a2cba0d6b5cf20d7fa854a1c698dfc1b2b45d714..d66a317ddfe8d56309ff2e63fe66d62edb68a710
Binary files a/libs/SDL2_mixer/lib/x86/libmodplug-1.dll and b/libs/SDL2_mixer/lib/x86/libmodplug-1.dll differ
diff --git a/libs/SDL2_mixer/lib/x86/libmpg123-0.dll b/libs/SDL2_mixer/lib/x86/libmpg123-0.dll
old mode 100755
new mode 100644
index ca7de300d7db8875d19fc379dd36a37504bd70ca..240298bbfc04835998085ab5054ee5111e83c702
Binary files a/libs/SDL2_mixer/lib/x86/libmpg123-0.dll and b/libs/SDL2_mixer/lib/x86/libmpg123-0.dll differ
diff --git a/libs/SDL2_mixer/lib/x86/libogg-0.dll b/libs/SDL2_mixer/lib/x86/libogg-0.dll
old mode 100755
new mode 100644
index 3abe6ebfca1a9a96b2b679aa971302dcb5f66743..233c0f42a8379b75b3aeb681436519379079fa8e
Binary files a/libs/SDL2_mixer/lib/x86/libogg-0.dll and b/libs/SDL2_mixer/lib/x86/libogg-0.dll differ
diff --git a/libs/SDL2_mixer/lib/x86/libopus-0.dll b/libs/SDL2_mixer/lib/x86/libopus-0.dll
new file mode 100644
index 0000000000000000000000000000000000000000..94ea541d283adca154b853671e78101ad2625c90
Binary files /dev/null and b/libs/SDL2_mixer/lib/x86/libopus-0.dll differ
diff --git a/libs/SDL2_mixer/lib/x86/libopusfile-0.dll b/libs/SDL2_mixer/lib/x86/libopusfile-0.dll
new file mode 100644
index 0000000000000000000000000000000000000000..260796b6aa5a7da89c729a465141d8ff7036695b
Binary files /dev/null and b/libs/SDL2_mixer/lib/x86/libopusfile-0.dll differ
diff --git a/libs/SDL2_mixer/lib/x86/libvorbis-0.dll b/libs/SDL2_mixer/lib/x86/libvorbis-0.dll
old mode 100755
new mode 100644
index 4e44ef0886511997ef9f14a2a3a49b3b5291c336..4e4aaa543b55575edb1bda0d6c1c5dd341a7727f
Binary files a/libs/SDL2_mixer/lib/x86/libvorbis-0.dll and b/libs/SDL2_mixer/lib/x86/libvorbis-0.dll differ
diff --git a/libs/SDL2_mixer/lib/x86/libvorbisfile-3.dll b/libs/SDL2_mixer/lib/x86/libvorbisfile-3.dll
old mode 100755
new mode 100644
index e757eb6ded42f8a14b0e3cdb1ad4b76a4fac6f12..5d90a235c988cb15b0f9dc2deb7b065a25b47f2e
Binary files a/libs/SDL2_mixer/lib/x86/libvorbisfile-3.dll and b/libs/SDL2_mixer/lib/x86/libvorbisfile-3.dll differ
diff --git a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.FLAC.txt b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.FLAC.txt
index 94fd3aa692d3d4759fec1b13522d5db404e4508b..2e67b77cbb6ed89bd8c78b5d6a7f8e43974bf6f2 100644
--- a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.FLAC.txt
+++ b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.FLAC.txt
@@ -1,5 +1,5 @@
 The source code to this library used with SDL_mixer can be found here:
-http://www.libsdl.org/projects/SDL_mixer/libs/
+https://hg.libsdl.org/SDL_mixer/file/default/external
 ---
 
 Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007  Josh Coalson
diff --git a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.modplug.txt b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.modplug.txt
index 59fbf826c3b3a602bec0a23e347202be0f618aba..a89532db83cd3b7fa8575b38ce08065e92132856 100644
--- a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.modplug.txt
+++ b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.modplug.txt
@@ -1 +1,5 @@
+The source code to this library used with SDL_mixer can be found here:
+https://hg.libsdl.org/SDL_mixer/file/default/external
+---
+
 ModPlug-XMMS and libmodplug are now in the public domain.
diff --git a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.mpg123.txt b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.mpg123.txt
index d7bb85fc3be6d8a00bc8e875569d30deb9f0dceb..2111cd79fafac286df4728c833cc0268c960e328 100644
--- a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.mpg123.txt
+++ b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.mpg123.txt
@@ -1,3 +1,7 @@
+The source code to this library used with SDL_mixer can be found here:
+https://hg.libsdl.org/SDL_mixer/file/default/external
+---
+
 This is the file that contains the terms of use, copying, etc. for the mpg123 distribution package.
 
 Main message, to include in "About ..." boxes, etc:
diff --git a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.ogg-vorbis.txt b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.ogg-vorbis.txt
index c2cb6d56eb51b788c61183f83133283f22383926..6456dc4ed17fb4de76e4f19318de3c0021b63684 100644
--- a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.ogg-vorbis.txt
+++ b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.ogg-vorbis.txt
@@ -1,5 +1,5 @@
 The source code to this library used with SDL_mixer can be found here:
-http://www.libsdl.org/projects/SDL_mixer/libs/
+https://hg.libsdl.org/SDL_image/file/default/external
 ---
 
 Copyright (c) 2002-2008 Xiph.org Foundation
diff --git a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.opus.txt b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.opus.txt
new file mode 100644
index 0000000000000000000000000000000000000000..adb56a854b6eff6d2afa846d13d38128e62c40c6
--- /dev/null
+++ b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.opus.txt
@@ -0,0 +1,48 @@
+The source code to this library used with SDL_mixer can be found here:
+https://hg.libsdl.org/SDL_mixer/file/default/external
+---
+
+Copyright 2001-2011 Xiph.Org, Skype Limited, Octasic,
+                    Jean-Marc Valin, Timothy B. Terriberry,
+                    CSIRO, Gregory Maxwell, Mark Borgerding,
+                    Erik de Castro Lopo
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+- Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+
+- Neither the name of Internet Society, IETF or IETF Trust, nor the 
+names of specific contributors, may be used to endorse or promote
+products derived from this software without specific prior written
+permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+Opus is subject to the royalty-free patent licenses which are
+specified at:
+
+Xiph.Org Foundation:
+https://datatracker.ietf.org/ipr/1524/
+
+Microsoft Corporation:
+https://datatracker.ietf.org/ipr/1914/
+
+Broadcom Corporation:
+https://datatracker.ietf.org/ipr/1526/
diff --git a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.opusfile.txt b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.opusfile.txt
new file mode 100644
index 0000000000000000000000000000000000000000..dfc9681fcf54ba50bc0ee265bdc1ed9386840846
--- /dev/null
+++ b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/LICENSE.opusfile.txt
@@ -0,0 +1,32 @@
+The source code to this library used with SDL_mixer can be found here:
+https://hg.libsdl.org/SDL_mixer/file/default/external
+---
+
+Copyright (c) 1994-2013 Xiph.Org Foundation and contributors
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+
+- Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+
+- Redistributions in binary form must reproduce the above copyright
+notice, this list of conditions and the following disclaimer in the
+documentation and/or other materials provided with the distribution.
+
+- Neither the name of the Xiph.Org Foundation nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION
+OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/SDL2_mixer.dll b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/SDL2_mixer.dll
index 116bb1df6f93e2afddac4d97269348f4e1531528..40bb1c14638d0cd2e0cd3b00ceee416326fcd3ed 100755
Binary files a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/SDL2_mixer.dll and b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/SDL2_mixer.dll differ
diff --git a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libFLAC-8.dll b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libFLAC-8.dll
index b5603902d5ff26bc57d0f0025757b6f0d28a06a4..71f2e19d9cac86400bcfb3bb68a659b9773925ad 100755
Binary files a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libFLAC-8.dll and b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libFLAC-8.dll differ
diff --git a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libmodplug-1.dll b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libmodplug-1.dll
index 31509378b5078d6b24c0b0a435a8d8dba7a94b2c..7c0512674e8e43019777928ca42aca50081a8795 100755
Binary files a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libmodplug-1.dll and b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libmodplug-1.dll differ
diff --git a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libmpg123-0.dll b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libmpg123-0.dll
index d222d2dc500d2ab30b18a8dfa139ad71fa3dccfe..c7809b163f5e1d305341bba3e65874efac205792 100755
Binary files a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libmpg123-0.dll and b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libmpg123-0.dll differ
diff --git a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libogg-0.dll b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libogg-0.dll
index 7b94e60325918c92b4b764cb738dd8f5c0c3379a..51334815979b8fe3a74fa39c3cc54eb4cd70c6ce 100755
Binary files a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libogg-0.dll and b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libogg-0.dll differ
diff --git a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libopus-0.dll b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libopus-0.dll
new file mode 100644
index 0000000000000000000000000000000000000000..9ba6c3860c6daa71ae9646f01b43003dac3798f0
Binary files /dev/null and b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libopus-0.dll differ
diff --git a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libopusfile-0.dll b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libopusfile-0.dll
new file mode 100644
index 0000000000000000000000000000000000000000..97a88b6108980d2450acd66cb36193e4cfbaa30a
Binary files /dev/null and b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libopusfile-0.dll differ
diff --git a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libvorbis-0.dll b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libvorbis-0.dll
index 8d8d6537b1fc243e1926ec03a7be842b6a5d6fed..f5ae1bf754671625ec44f9992efb55e0ad5c2dec 100755
Binary files a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libvorbis-0.dll and b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libvorbis-0.dll differ
diff --git a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libvorbisfile-3.dll b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libvorbisfile-3.dll
index 08f8f7aa82ede72a588bb10daef73cd94dad137b..d0787368a3e30fd363c1324423c78d7e06add0be 100755
Binary files a/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libvorbisfile-3.dll and b/libs/SDL2_mixer/x86_64-w64-mingw32/bin/libvorbisfile-3.dll differ
diff --git a/libs/SDL2_mixer/x86_64-w64-mingw32/include/SDL2/SDL_mixer.h b/libs/SDL2_mixer/x86_64-w64-mingw32/include/SDL2/SDL_mixer.h
index cbb8ae6b65ad8325c961f3fc664e6fd8a1bbfd6f..009d8a2da6725c58c87a11b09e08ee5bc8e6a2da 100644
--- a/libs/SDL2_mixer/x86_64-w64-mingw32/include/SDL2/SDL_mixer.h
+++ b/libs/SDL2_mixer/x86_64-w64-mingw32/include/SDL2/SDL_mixer.h
@@ -1,6 +1,6 @@
 /*
   SDL_mixer:  An audio mixer library based on the SDL library
-  Copyright (C) 1997-2017 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2018 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -38,7 +38,7 @@ extern "C" {
 */
 #define SDL_MIXER_MAJOR_VERSION 2
 #define SDL_MIXER_MINOR_VERSION 0
-#define SDL_MIXER_PATCHLEVEL    2
+#define SDL_MIXER_PATCHLEVEL    4
 
 /* This macro can be used to fill a version structure with the compile-time
  * version of the SDL_mixer library.
@@ -80,7 +80,8 @@ typedef enum
     MIX_INIT_MOD    = 0x00000002,
     MIX_INIT_MP3    = 0x00000008,
     MIX_INIT_OGG    = 0x00000010,
-    MIX_INIT_MID    = 0x00000020
+    MIX_INIT_MID    = 0x00000020,
+    MIX_INIT_OPUS   = 0x00000040
 } MIX_InitFlags;
 
 /* Loads dynamic libraries and prepares them for use.  Flags should be
@@ -134,7 +135,8 @@ typedef enum {
     MUS_MP3,
     MUS_MP3_MAD_UNUSED,
     MUS_FLAC,
-    MUS_MODPLUG_UNUSED
+    MUS_MODPLUG_UNUSED,
+    MUS_OPUS
 } Mix_MusicType;
 
 /* The internal format for a music chunk interpreted via mikmod */
diff --git a/libs/SDL2_mixer/x86_64-w64-mingw32/lib/libSDL2_mixer.a b/libs/SDL2_mixer/x86_64-w64-mingw32/lib/libSDL2_mixer.a
index 7d39a1f6360a2221f689c06bf4245694d7649031..b6483716ebd9dc29a36426d08b618c6f4caa563b 100644
Binary files a/libs/SDL2_mixer/x86_64-w64-mingw32/lib/libSDL2_mixer.a and b/libs/SDL2_mixer/x86_64-w64-mingw32/lib/libSDL2_mixer.a differ
diff --git a/libs/SDL2_mixer/x86_64-w64-mingw32/lib/libSDL2_mixer.dll.a b/libs/SDL2_mixer/x86_64-w64-mingw32/lib/libSDL2_mixer.dll.a
index d812f5c85acfe1a72901963c0a030e48f202071b..82a4bef080902ad394f7bed9b2506c1cf6e3906a 100755
Binary files a/libs/SDL2_mixer/x86_64-w64-mingw32/lib/libSDL2_mixer.dll.a and b/libs/SDL2_mixer/x86_64-w64-mingw32/lib/libSDL2_mixer.dll.a differ
diff --git a/libs/SDL2_mixer/x86_64-w64-mingw32/lib/libSDL2_mixer.la b/libs/SDL2_mixer/x86_64-w64-mingw32/lib/libSDL2_mixer.la
new file mode 100644
index 0000000000000000000000000000000000000000..dba212c5a1ce6f6e270904d2d5f62a3914dc903e
--- /dev/null
+++ b/libs/SDL2_mixer/x86_64-w64-mingw32/lib/libSDL2_mixer.la
@@ -0,0 +1,41 @@
+# libSDL2_mixer.la - a libtool library file
+# Generated by ltmain.sh (GNU libtool) 2.2.6
+#
+# Please DO NOT delete this file!
+# It is necessary for linking the library.
+
+# The name that we can dlopen(3).
+dlname='../bin/SDL2_mixer.dll'
+
+# Names of this library.
+library_names='libSDL2_mixer.dll.a'
+
+# The name of the static archive.
+old_library='libSDL2_mixer.a'
+
+# Linker flags that can not go in dependency_libs.
+inherited_linker_flags=''
+
+# Libraries that this one depends upon.
+dependency_libs=' -L/opt/local/x86_64-w64-mingw32/lib -lmingw32 /opt/local/x86_64-w64-mingw32/lib/libSDL2.la -ldinput8 -ldxguid -ldxerr8 -luser32 -lgdi32 -limm32 -lole32 -loleaut32 -lshell32 -lsetupapi -lversion -luuid -lwinmm'
+
+# Names of additional weak libraries provided by this library
+weak_library_names=''
+
+# Version information for libSDL2_mixer.
+current=2
+age=2
+revision=2
+
+# Is this an already installed library?
+installed=yes
+
+# Should we warn about portability when linking against -modules?
+shouldnotlink=no
+
+# Files to dlopen/dlpreopen
+dlopen=''
+dlpreopen=''
+
+# Directory that this library needs to be installed in:
+libdir='/Users/valve/release/SDL_mixer/SDL2_mixer-2.0.4/x86_64-w64-mingw32/lib'
diff --git a/libs/SDL2_mixer/x86_64-w64-mingw32/lib/pkgconfig/SDL2_mixer.pc b/libs/SDL2_mixer/x86_64-w64-mingw32/lib/pkgconfig/SDL2_mixer.pc
index 56c30ccfe773f6ed0c7ff160a3f59037a3e3f3ba..b7984169ff65c983662c4d618d79227a01740795 100644
--- a/libs/SDL2_mixer/x86_64-w64-mingw32/lib/pkgconfig/SDL2_mixer.pc
+++ b/libs/SDL2_mixer/x86_64-w64-mingw32/lib/pkgconfig/SDL2_mixer.pc
@@ -1,11 +1,11 @@
-prefix=/usr/local/x86_64-w64-mingw32
+prefix=/opt/local/x86_64-w64-mingw32
 exec_prefix=${prefix}
 libdir=${exec_prefix}/lib
 includedir=${prefix}/include
 
 Name: SDL2_mixer
 Description: mixer library for Simple DirectMedia Layer
-Version: 2.0.2
+Version: 2.0.4
 Requires: sdl2 >= 2.0.7
 Libs: -L${libdir} -lSDL2_mixer
 Cflags: -I${includedir}/SDL2
diff --git a/libs/gme/win64/libgme.dll.a b/libs/gme/win64/libgme.dll.a
new file mode 100644
index 0000000000000000000000000000000000000000..38079dc2a2c01b010c94e78d5285ba3781c7eb9e
Binary files /dev/null and b/libs/gme/win64/libgme.dll.a differ
diff --git a/srb2.png b/srb2.png
index 9c13eae9a5d1ca26167abfe56486e2e7a642cd6c..72a08f6648b8c8849d5804889977a412b35e6deb 100644
Binary files a/srb2.png and b/srb2.png differ
diff --git a/srb2banner.png b/srb2banner.png
new file mode 100644
index 0000000000000000000000000000000000000000..9c13eae9a5d1ca26167abfe56486e2e7a642cd6c
Binary files /dev/null and b/srb2banner.png differ
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 46a42a92c7f06b826b1881cda6f5c4696d86ce67..99f2beebef8abf037858cf79a72b0579ed5024c9 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -227,6 +227,12 @@ set(SRB2_CONFIG_YASM OFF CACHE BOOL
 set(SRB2_CONFIG_STATIC_OPENGL OFF CACHE BOOL
 	"Use statically linked OpenGL. NOT RECOMMENDED.")
 
+### use internal libraries?
+if(${CMAKE_SYSTEM} MATCHES "Windows") ###set on Windows only
+	set(SRB2_CONFIG_USE_INTERNAL_LIBRARIES OFF CACHE BOOL
+	"Use SRB2's internal copies of required dependencies (SDL2, PNG, zlib, GME).")
+endif()
+
 if(${SRB2_CONFIG_HAVE_BLUA})
 	add_definitions(-DHAVE_BLUA)
 	set(SRB2_LUA_SOURCES
@@ -314,7 +320,17 @@ if(${SRB2_CONFIG_HAVE_BLUA})
 endif()
 
 if(${SRB2_CONFIG_HAVE_GME})
-	find_package(GME)
+	if(${SRB2_CONFIG_USE_INTERNAL_LIBRARIES})
+		set(GME_FOUND ON)
+		set(GME_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/libs/gme/include)
+        if(${SRB2_SYSTEM_BITS} EQUAL 64)
+			set(GME_LIBRARIES "-L${CMAKE_SOURCE_DIR}/libs/gme/win64 -lgme")
+		else() # 32-bit
+			set(GME_LIBRARIES "-L${CMAKE_SOURCE_DIR}/libs/gme/win32 -lgme")
+		endif()
+	else()
+		find_package(GME)
+	endif()
 	if(${GME_FOUND})
 		set(SRB2_HAVE_GME ON)
 		add_definitions(-DHAVE_LIBGME)
@@ -324,9 +340,20 @@ if(${SRB2_CONFIG_HAVE_GME})
 endif()
 
 if(${SRB2_CONFIG_HAVE_ZLIB})
-	find_package(ZLIB)
+	if(${SRB2_CONFIG_USE_INTERNAL_LIBRARIES})
+		set(ZLIB_FOUND ON)
+		set(ZLIB_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/libs/zlib)
+		if(${SRB2_SYSTEM_BITS} EQUAL 64)
+			set(ZLIB_LIBRARIES "-L${CMAKE_SOURCE_DIR}/libs/zlib/win32 -lz64")
+		else() # 32-bit
+			set(ZLIB_LIBRARIES "-L${CMAKE_SOURCE_DIR}/libs/zlib/win32 -lz32")
+		endif()
+	else()
+		find_package(ZLIB)
+	endif()
 	if(${ZLIB_FOUND})
 		set(SRB2_HAVE_ZLIB ON)
+		add_definitions(-DHAVE_ZLIB)
 	else()
 		message(WARNING "You have specified that ZLIB is available but it was not found. SRB2 may not compile correctly.")
 	endif()
@@ -334,7 +361,17 @@ endif()
 
 if(${SRB2_CONFIG_HAVE_PNG} AND ${SRB2_CONFIG_HAVE_ZLIB})
 	if (${ZLIB_FOUND})
-		find_package(PNG)
+		if(${SRB2_CONFIG_USE_INTERNAL_LIBRARIES})
+			set(PNG_FOUND ON)
+			set(PNG_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/libs/libpng-src)
+			if(${SRB2_SYSTEM_BITS} EQUAL 64)
+				set(PNG_LIBRARIES "-L${CMAKE_SOURCE_DIR}/libs/libpng-src/projects -lpng64")
+			else() # 32-bit
+				set(PNG_LIBRARIES "-L${CMAKE_SOURCE_DIR}/libs/libpng-src/projects -lpng32")
+			endif()
+		else()
+			find_package(PNG)
+		endif()
 		if(${PNG_FOUND})
 			set(SRB2_HAVE_PNG ON)
 			add_definitions(-DHAVE_PNG)
@@ -350,6 +387,7 @@ if(${SRB2_CONFIG_HWRENDER})
 	set(SRB2_HWRENDER_SOURCES
 		${CMAKE_CURRENT_SOURCE_DIR}/hardware/hw_bsp.c
 		${CMAKE_CURRENT_SOURCE_DIR}/hardware/hw_cache.c
+		${CMAKE_CURRENT_SOURCE_DIR}/hardware/hw_clip.c
 		${CMAKE_CURRENT_SOURCE_DIR}/hardware/hw_draw.c
 		${CMAKE_CURRENT_SOURCE_DIR}/hardware/hw_light.c
 		${CMAKE_CURRENT_SOURCE_DIR}/hardware/hw_main.c
@@ -358,6 +396,7 @@ if(${SRB2_CONFIG_HWRENDER})
 	)
 
 	set (SRB2_HWRENDER_HEADERS
+		${CMAKE_CURRENT_SOURCE_DIR}/hardware/hw_clip.h
 		${CMAKE_CURRENT_SOURCE_DIR}/hardware/hw_data.h
 		${CMAKE_CURRENT_SOURCE_DIR}/hardware/hw_defs.h
 		${CMAKE_CURRENT_SOURCE_DIR}/hardware/hw_dll.h
diff --git a/src/Makefile b/src/Makefile
index dd250b0bc0af731a103ed5e32480a4fdb8170d52..fbf75f26c2b1491488da0644a51ee3517c9c13e2 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -2,7 +2,7 @@
 #     GNU Make makefile for SRB2
 #############################################################################
 # Copyright (C) 1998-2000 by DooM Legacy Team.
-# Copyright (C) 2003-2014 by Sonic Team Junior.
+# Copyright (C) 2003-2018 by Sonic Team Junior.
 #
 # This program is free software distributed under the
 # terms of the GNU General Public License, version 2.
@@ -66,6 +66,7 @@
 #     Compile without 3D sound support, add 'NOHS=1'
 #     Compile with GDBstubs, add 'RDB=1'
 #     Compile without PNG, add 'NOPNG=1'
+#     Compile without zlib, add 'NOZLIB=1'
 #
 # Addon for SDL:
 #     To Cross-Compile, add 'SDL_CONFIG=/usr/*/bin/sdl-config'
@@ -119,6 +120,7 @@ include Makefile.cfg
 
 ifdef DUMMY
 NOPNG=1
+NOZLIB=1
 NONET=1
 NOHW=1
 NOHS=1
@@ -174,6 +176,11 @@ ifdef MINGW
 include win32/Makefile.cfg
 endif #ifdef MINGW
 
+ifdef MINGW64
+MINGW=1
+include win32/Makefile.cfg
+endif #ifdef MINGW64
+
 ifdef UNIX
 UNIXCOMMON=1
 endif
@@ -199,6 +206,7 @@ endif
 
 ifdef NDS
 NOPNG=1
+NOZLIB=1
 NONET=1
 #NOHW=1
 NOHS=1
@@ -266,7 +274,7 @@ ifndef DC
 endif
 	OPTS+=-DHWRENDER
 	OBJS+=$(OBJDIR)/hw_bsp.o $(OBJDIR)/hw_draw.o $(OBJDIR)/hw_light.o \
-		 $(OBJDIR)/hw_main.o $(OBJDIR)/hw_md2.o $(OBJDIR)/hw_cache.o $(OBJDIR)/hw_trick.o
+		 $(OBJDIR)/hw_main.o $(OBJDIR)/hw_clip.o $(OBJDIR)/hw_md2.o $(OBJDIR)/hw_cache.o $(OBJDIR)/hw_trick.o
 endif
 
 ifdef NOHS
@@ -325,13 +333,6 @@ LIBS+=$(PNG_LDFLAGS)
 CFLAGS+=$(PNG_CFLAGS)
 endif
 
-ZLIB_PKGCONFIG?=zlib
-ZLIB_CFLAGS?=$(shell $(PKG_CONFIG) $(ZLIB_PKGCONFIG) --cflags)
-ZLIB_LDFLAGS?=$(shell $(PKG_CONFIG) $(ZLIB_PKGCONFIG) --libs)
-
-LIBS+=$(ZLIB_LDFLAGS)
-CFLAGS+=$(ZLIB_CFLAGS)
-
 ifdef HAVE_LIBGME
 OPTS+=-DHAVE_LIBGME
 
@@ -343,6 +344,18 @@ LIBS+=$(LIBGME_LDFLAGS)
 CFLAGS+=$(LIBGME_CFLAGS)
 endif
 
+ifndef NOZLIB
+OPTS+=-DHAVE_ZLIB
+ZLIB_PKGCONFIG?=zlib
+ZLIB_CFLAGS?=$(shell $(PKG_CONFIG) $(ZLIB_PKGCONFIG) --cflags)
+ZLIB_LDFLAGS?=$(shell $(PKG_CONFIG) $(ZLIB_PKGCONFIG) --libs)
+
+LIBS+=$(ZLIB_LDFLAGS)
+CFLAGS+=$(ZLIB_CFLAGS)
+else
+NOPNG=1
+endif
+
 ifdef STATIC
 LIBS:=-static $(LIBS)
 endif
@@ -702,7 +715,6 @@ $(BIN)/s_openal.so: $(OBJDIR)/s_openal.o
 	-$(MKDIR) $(BIN)
 	@echo Linking S_OpenAL.so...
 	$(CC) --shared $^ -o $@ -g --nostartfiles -lm -lopenal
-
 endif
 
 else
@@ -711,7 +723,7 @@ ifdef MINGW
 $(OBJDIR)/r_opengl.o: hardware/r_opengl/r_opengl.c hardware/r_opengl/r_opengl.h \
  doomdef.h doomtype.h g_state.h m_swap.h hardware/hw_drv.h screen.h \
  command.h hardware/hw_data.h hardware/hw_glide.h hardware/hw_defs.h \
- hardware/hw_md2.h hardware/hw_glob.h hardware/hw_main.h am_map.h \
+ hardware/hw_md2.h hardware/hw_glob.h hardware/hw_main.h hardware/hw_clip.h am_map.h \
  d_event.h d_player.h p_pspr.h m_fixed.h tables.h info.h d_think.h \
  p_mobj.h doomdata.h d_ticcmd.h r_defs.h hardware/hw_dll.h
 	$(CC) $(CFLAGS) $(WFLAGS) -c $< -o $@
@@ -719,7 +731,7 @@ else
 $(OBJDIR)/r_opengl.o: hardware/r_opengl/r_opengl.c hardware/r_opengl/r_opengl.h \
  doomdef.h doomtype.h g_state.h m_swap.h hardware/hw_drv.h screen.h \
  command.h hardware/hw_data.h hardware/hw_glide.h hardware/hw_defs.h \
- hardware/hw_md2.h hardware/hw_glob.h hardware/hw_main.h am_map.h \
+ hardware/hw_md2.h hardware/hw_glob.h hardware/hw_main.h hardware/hw_clip.h am_map.h \
  d_event.h d_player.h p_pspr.h m_fixed.h tables.h info.h d_think.h \
  p_mobj.h doomdata.h d_ticcmd.h r_defs.h hardware/hw_dll.h
 	$(CC) $(CFLAGS) $(WFLAGS) -I/usr/X11R6/include -c $< -o $@
@@ -872,7 +884,7 @@ ifndef NOHW
 $(OBJDIR)/r_opengl.o: hardware/r_opengl/r_opengl.c hardware/r_opengl/r_opengl.h \
  doomdef.h doomtype.h g_state.h m_swap.h hardware/hw_drv.h screen.h \
  command.h hardware/hw_data.h hardware/hw_glide.h hardware/hw_defs.h \
- hardware/hw_md2.h hardware/hw_glob.h hardware/hw_main.h am_map.h \
+ hardware/hw_md2.h hardware/hw_glob.h hardware/hw_main.h hardware/hw_clip.h am_map.h \
  d_event.h d_player.h p_pspr.h m_fixed.h tables.h info.h d_think.h \
  p_mobj.h doomdata.h d_ticcmd.h r_defs.h hardware/hw_dll.h
 	$(CC) $(CFLAGS) $(WFLAGS) -D_WINDOWS -mwindows -c $< -o $@
@@ -880,7 +892,7 @@ $(OBJDIR)/r_opengl.o: hardware/r_opengl/r_opengl.c hardware/r_opengl/r_opengl.h
 $(OBJDIR)/ogl_win.o: hardware/r_opengl/ogl_win.c hardware/r_opengl/r_opengl.h \
  doomdef.h doomtype.h g_state.h m_swap.h hardware/hw_drv.h screen.h \
  command.h hardware/hw_data.h hardware/hw_glide.h hardware/hw_defs.h \
- hardware/hw_md2.h hardware/hw_glob.h hardware/hw_main.h am_map.h \
+ hardware/hw_md2.h hardware/hw_glob.h hardware/hw_main.h hardware/hw_clip.h am_map.h \
  d_event.h d_player.h p_pspr.h m_fixed.h tables.h info.h d_think.h \
  p_mobj.h doomdata.h d_ticcmd.h r_defs.h hardware/hw_dll.h
 	$(CC) $(CFLAGS) $(WFLAGS) -D_WINDOWS -mwindows -c $< -o $@
@@ -888,7 +900,7 @@ $(OBJDIR)/ogl_win.o: hardware/r_opengl/ogl_win.c hardware/r_opengl/r_opengl.h \
 $(OBJDIR)/r_minigl.o: hardware/r_minigl/r_minigl.c hardware/r_opengl/r_opengl.h \
  doomdef.h doomtype.h g_state.h m_swap.h hardware/hw_drv.h screen.h \
  command.h hardware/hw_data.h hardware/hw_glide.h hardware/hw_defs.h \
- hardware/hw_md2.h hardware/hw_glob.h hardware/hw_main.h am_map.h \
+ hardware/hw_md2.h hardware/hw_glob.h hardware/hw_main.h hardware/hw_clip.h am_map.h \
  d_event.h d_player.h p_pspr.h m_fixed.h tables.h info.h d_think.h \
  p_mobj.h doomdata.h d_ticcmd.h r_defs.h hardware/hw_dll.h
 	$(CC) $(CFLAGS) $(WFLAGS) -D_WINDOWS -mwindows -c $< -o $@
diff --git a/src/Makefile.cfg b/src/Makefile.cfg
index 5f0096d639a3628a3b774ec86bc19547aaccd931..cdd4c3c734cb4c3fde2d735903ce7fc4d42065a8 100644
--- a/src/Makefile.cfg
+++ b/src/Makefile.cfg
@@ -190,9 +190,6 @@ endif
 ifdef GCC46
 WFLAGS+=-Wno-suggest-attribute=noreturn
 endif
-ifdef GCC71
-WFLAGS+=-Wno-error=implicit-fallthrough -Wimplicit-fallthrough=3
-endif
 
 ifndef MINGW
 ifdef GCC45
@@ -222,6 +219,18 @@ endif
 ifdef GCC61
  WFLAGS+=-Wno-tautological-compare -Wno-error=tautological-compare
 endif
+ifdef GCC71
+ WFLAGS+=-Wno-error=implicit-fallthrough
+ WFLAGS+=-Wno-implicit-fallthrough
+endif
+ifdef GCC80
+ WFLAGS+=-Wno-error=format-overflow
+ WFLAGS+=-Wno-error=stringop-truncation
+ WFLAGS+=-Wno-error=stringop-overflow
+ WFLAGS+=-Wno-format-overflow
+ WFLAGS+=-Wno-stringop-truncation
+ WFLAGS+=-Wno-stringop-overflow
+endif
 
 
 #indicate platform and what interface use with
@@ -235,6 +244,7 @@ ifndef LINUX
 ifndef FREEBSD
 ifndef CYGWIN32
 ifndef MINGW
+ifndef MINGW64
 ifndef SDL
 ifndef NDS
 ifndef DUMMY
@@ -252,6 +262,7 @@ endif
 endif
 endif
 endif
+endif
 
 #determine the interface directory (where you put all i_*.c)
 i_cdmus_o=$(OBJDIR)/i_cdmus.o
diff --git a/src/am_map.c b/src/am_map.c
index b28cecf11602e99caea132e326f6bff1b1bdfe0f..6b97dd282042cb2a26493a68f921d4f0ec9d1261 100644
--- a/src/am_map.c
+++ b/src/am_map.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/am_map.h b/src/am_map.h
index df145848b6fc24c2fef52f223646a94e57c3cf49..4e8c782a9cf21c70476e96d2a1e6e1f6891b174c 100644
--- a/src/am_map.h
+++ b/src/am_map.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/android/i_sound.c b/src/android/i_sound.c
index ecf96f2f053cf2ca8e3cb135b34cfc7e2dccd0c0..2bb304424af8b8dafe3dfc9df46eef877ef4cc89 100644
--- a/src/android/i_sound.c
+++ b/src/android/i_sound.c
@@ -21,13 +21,14 @@ void I_ShutdownSound(void){}
 //  SFX I/O
 //
 
-INT32 I_StartSound(sfxenum_t id, INT32 vol, INT32 sep, INT32 pitch, INT32 priority)
+INT32 I_StartSound(sfxenum_t id, INT32 vol, INT32 sep, INT32 pitch, INT32 priority, INT32 channel)
 {
         (void)id;
         (void)vol;
         (void)sep;
         (void)pitch;
         (void)priority;
+        (void)channel;
         return -1;
 }
 
@@ -55,90 +56,87 @@ void I_SetSfxVolume(INT32 volume)
         (void)volume;
 }
 
-//
-//  MUSIC I/O
-//
+/// ------------------------
+//  MUSIC SYSTEM
+/// ------------------------
+
 UINT8 music_started = 0;
+UINT8 digmusic_started = 0;
 
 void I_InitMusic(void){}
 
 void I_ShutdownMusic(void){}
 
-void I_PauseSong(INT32 handle)
+/// ------------------------
+//  MUSIC PROPERTIES
+/// ------------------------
+
+musictype_t I_SongType(void)
 {
-        (void)handle;
+	return MU_NONE;
 }
 
-void I_ResumeSong(INT32 handle)
+boolean I_SongPlaying(void)
 {
-        (void)handle;
+	return false;
 }
 
-//
-//  MIDI I/O
-//
-
-UINT8 midimusic_started = 0;
-
-void I_InitMIDIMusic(void){}
+boolean I_SongPaused(void)
+{
+	return false;
+}
 
-void I_ShutdownMIDIMusic(void){}
+/// ------------------------
+//  MUSIC EFFECTS
+/// ------------------------
 
-void I_SetMIDIMusicVolume(INT32 volume)
+boolean I_SetSongSpeed(float speed)
 {
-        (void)volume;
+        (void)speed;
+        return false;
 }
 
-INT32 I_RegisterSong(void *data, size_t len)
+/// ------------------------
+//  MUSIC PLAYBACK
+/// ------------------------
+
+UINT8 midimusic_started = 0;
+
+boolean I_LoadSong(char *data, size_t len)
 {
         (void)data;
         (void)len;
         return -1;
 }
 
-boolean I_PlaySong(INT32 handle, INT32 looping)
+void I_UnloadSong()
+{
+
+}
+
+boolean I_PlaySong(boolean looping)
 {
         (void)handle;
         (void)looping;
         return false;
 }
 
-void I_StopSong(INT32 handle)
+void I_StopSong(void)
 {
         (void)handle;
 }
 
-void I_UnRegisterSong(INT32 handle)
+void I_PauseSong(void)
 {
         (void)handle;
 }
 
-//
-//  DIGMUSIC I/O
-//
-
-UINT8 digmusic_started = 0;
-
-void I_InitDigMusic(void){}
-
-void I_ShutdownDigMusic(void){}
-
-boolean I_StartDigSong(const char *musicname, INT32 looping)
+void I_ResumeSong(void)
 {
-        (void)musicname;
-        (void)looping;
-        return false;
+        (void)handle;
 }
 
-void I_StopDigSong(void){}
-
-void I_SetDigMusicVolume(INT32 volume)
+void I_SetMusicVolume(INT32 volume)
 {
         (void)volume;
 }
-
-boolean I_SetSongSpeed(float speed)
-{
-        (void)speed;
-        return false;
-}
diff --git a/src/asm_defs.inc b/src/asm_defs.inc
index db59d2c696df1024b161324d963461e2d16aee0c..e494a676e7f62aac28f12f616b9dfed2fc4bdc06 100644
--- a/src/asm_defs.inc
+++ b/src/asm_defs.inc
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2014 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/b_bot.c b/src/b_bot.c
index 56be0613b00d31fc2fe1873545ed6291e71a0199..a6d07895bb8751d6463e26c553af64dd0570376a 100644
--- a/src/b_bot.c
+++ b/src/b_bot.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2007-2016 by John "JTE" Muniz.
-// Copyright (C) 2011-2016 by Sonic Team Junior.
+// Copyright (C) 2011-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/b_bot.h b/src/b_bot.h
index 259405f38ad3df3708294849f9515c80fe40151f..20b2803b69ccf4af24432f4f7f7058aaf7cd271c 100644
--- a/src/b_bot.h
+++ b/src/b_bot.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2007-2016 by John "JTE" Muniz.
-// Copyright (C) 2012-2016 by Sonic Team Junior.
+// Copyright (C) 2012-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/byteptr.h b/src/byteptr.h
index 410d7c00442f77767a436a9f252b8082f67aa818..aa09d6be41f5251400cc902929c2ab87397f3802 100644
--- a/src/byteptr.h
+++ b/src/byteptr.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -15,7 +15,9 @@
 #define DEALIGNED
 #endif
 
-#ifndef _BIG_ENDIAN
+#include "endian.h"
+
+#ifndef SRB2_BIG_ENDIAN
 //
 // Little-endian machines
 //
@@ -75,7 +77,7 @@
 #define READANGLE(p)        *((angle_t *)p)++
 #endif
 
-#else //_BIG_ENDIAN
+#else //SRB2_BIG_ENDIAN
 //
 // definitions for big-endian machines with alignment constraints.
 //
@@ -144,7 +146,7 @@ FUNCINLINE static ATTRINLINE UINT32 readulong(void *ptr)
 #define READCHAR(p)         ({    char *p_tmp = (   char *)p;    char b =        *p_tmp; p_tmp++; p = (void *)p_tmp; b; })
 #define READFIXED(p)        ({ fixed_t *p_tmp = (fixed_t *)p; fixed_t b =   readlong(p); p_tmp++; p = (void *)p_tmp; b; })
 #define READANGLE(p)        ({ angle_t *p_tmp = (angle_t *)p; angle_t b =  readulong(p); p_tmp++; p = (void *)p_tmp; b; })
-#endif //_BIG_ENDIAN
+#endif //SRB2_BIG_ENDIAN
 
 #undef DEALIGNED
 
diff --git a/src/command.c b/src/command.c
index f77fb5a4d528714ca226f4c7d0256e4949aa9ec7..4a65a0aa6a2859c8e43ebf887cb9159eddd5110f 100644
--- a/src/command.c
+++ b/src/command.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/command.h b/src/command.h
index 989ead8cf6366a88eb87954a710ab511135e3e05..7420c2103ac40d0bed3f45b49ffc7c00ea519cab 100644
--- a/src/command.h
+++ b/src/command.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/console.c b/src/console.c
index 3c06561ce202c767bbc4c85117c1441e0f59a79b..2c148bc69c6361b510814ec728348710954f8a76 100644
--- a/src/console.c
+++ b/src/console.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -101,8 +101,6 @@ static void CON_RecalcSize(void);
 
 static void CONS_hudlines_Change(void);
 static void CONS_backcolor_Change(void);
-static void CON_DrawBackpic(patch_t *pic, INT32 startx, INT32 destwidth);
-//static void CON_DrawBackpic2(pic_t *pic, INT32 startx, INT32 destwidth);
 
 //======================================================================
 //                   CONSOLE VARS AND COMMANDS
@@ -1233,24 +1231,15 @@ void CONS_Printf(const char *fmt, ...)
 	if (con_startup)
 	{
 #if (defined (_WINDOWS)) || (defined (__OS2__) && !defined (HAVE_SDL))
-		static lumpnum_t con_backpic_lumpnum = UINT32_MAX;
-		patch_t *con_backpic;
+		patch_t *con_backpic = W_CachePatchName("CONSBACK", PU_CACHE);
 
-		if (con_backpic_lumpnum == UINT32_MAX)
-			con_backpic_lumpnum = W_GetNumForName("CONSBACK");
+		// Jimita: CON_DrawBackpic just called V_DrawScaledPatch
+		V_DrawScaledPatch(0, 0, 0, con_backpic);
 
-		// We load the raw lump, even in hardware mode
-		con_backpic = (patch_t*)W_CacheLumpNum(con_backpic_lumpnum, PU_CACHE);
-
-		// show startup screen and message using only 'software' graphics
-		// (rendermode may be hardware accelerated, but the video mode is not set yet)
-		CON_DrawBackpic(con_backpic, 0, vid.width); // put console background
-		I_LoadingScreen(txt);
-
-		Z_Unlock(con_backpic);
+		W_UnlockCachedPatch(con_backpic);
+		I_LoadingScreen(txt);				// Win32/OS2 only
 #else
-		// here we display the console background and console text
-		// (no hardware accelerated support for these versions)
+		// here we display the console text
 		CON_Drawer();
 		I_FinishUpdate(); // page flip or blit buffer
 #endif
@@ -1474,64 +1463,6 @@ static void CON_DrawHudlines(void)
 	con_clearlines = y; // this is handled by HU_Erase();
 }
 
-// Scale a pic_t at 'startx' pos, to 'destwidth' columns.
-//   startx, destwidth is resolution dependent
-// Used to draw console borders, console background.
-// The pic must be sized BASEVIDHEIGHT height.
-static void CON_DrawBackpic(patch_t *pic, INT32 startx, INT32 destwidth)
-{
-	(void)startx;
-	(void)destwidth;
-	V_DrawScaledPatch(0, 0, 0, pic);
-}
-
-#if 0
-static inline void CON_DrawBackpic2(pic_t *pic, INT32 startx, INT32 destwidth)
-{
-	INT32 x, y;
-	INT32 v;
-	UINT8 *src, *dest;
-	const UINT8 *deststop;
-	INT32 frac, fracstep;
-
-	dest = screens[0]+startx;
-	deststop = screens[0] + vid.rowbytes * vid.height;
-
-	for (y = 0; y < con_curlines; y++, dest += vid.width)
-	{
-		// scale the picture to the resolution
-		v = SHORT(pic->height) - ((con_curlines - y) * (BASEVIDHEIGHT-1) / vid.height) - 1;
-
-		src = pic->data + v*SHORT(pic->width);
-
-		// in case of the console backpic, simplify
-		if (SHORT(pic->width) == destwidth)
-			M_Memcpy(dest, src, destwidth);
-		else
-		{
-			// scale pic to screen width
-			frac = 0;
-			fracstep = (SHORT(pic->width)<<16)/destwidth;
-			for (x = 0; x < destwidth; x += 4)
-			{
-				if (dest+x > deststop) break;
-				dest[x] = src[frac>>FRACBITS];
-				frac += fracstep;
-				if (dest+x+1 > deststop) break;
-				dest[x+1] = src[frac>>FRACBITS];
-				frac += fracstep;
-				if (dest+x+2 > deststop) break;
-				dest[x+2] = src[frac>>FRACBITS];
-				frac += fracstep;
-				if (dest+x+3 > deststop) break;
-				dest[x+3] = src[frac>>FRACBITS];
-				frac += fracstep;
-			}
-		}
-	}
-}
-#endif
-
 // draw the console background, text, and prompt if enough place
 //
 static void CON_DrawConsole(void)
@@ -1554,18 +1485,10 @@ static void CON_DrawConsole(void)
 	// draw console background
 	if (cons_backpic.value || con_forcepic)
 	{
-		static lumpnum_t con_backpic_lumpnum = UINT32_MAX;
-		patch_t *con_backpic;
-
-		if (con_backpic_lumpnum == UINT32_MAX)
-			con_backpic_lumpnum = W_GetNumForName("CONSBACK");
-
-		con_backpic = (patch_t*)W_CachePatchNum(con_backpic_lumpnum, PU_CACHE);
+		patch_t *con_backpic = W_CachePatchName("CONSBACK", PU_CACHE);
 
-		if (rendermode != render_soft)
-			V_DrawScaledPatch(0, 0, 0, con_backpic);
-		else if (rendermode != render_none)
-			CON_DrawBackpic(con_backpic, 0, vid.width); // picture as background
+		// Jimita: CON_DrawBackpic just called V_DrawScaledPatch
+		V_DrawScaledPatch(0, 0, 0, con_backpic);
 
 		W_UnlockCachedPatch(con_backpic);
 	}
diff --git a/src/console.h b/src/console.h
index 8cf6483ff697914cff53b85ef7dbac5d0717c2c6..7f448f5feacddd410734275ed42f2da720c0a503 100644
--- a/src/console.h
+++ b/src/console.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/d_clisrv.c b/src/d_clisrv.c
index 6e22dde239b1e4e1097119d289a08e4ef422a5a1..073c0d363d7cc0da8d811121d5149d311347d3a9 100644
--- a/src/d_clisrv.c
+++ b/src/d_clisrv.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -1568,8 +1568,6 @@ static void CL_LoadReceivedSavegame(void)
 	automapactive = false;
 
 	// load a base level
-	playerdeadview = false;
-
 	if (P_LoadNetGame())
 	{
 		const INT32 actnum = mapheaderinfo[gamemap-1]->actnum;
@@ -1625,6 +1623,8 @@ static void SendAskInfo(INT32 node, boolean viams)
 serverelem_t serverlist[MAXSERVERLIST];
 UINT32 serverlistcount = 0;
 
+#define FORCECLOSE 0x8000
+
 static void SL_ClearServerList(INT32 connectedserver)
 {
 	UINT32 i;
@@ -1632,7 +1632,7 @@ static void SL_ClearServerList(INT32 connectedserver)
 	for (i = 0; i < serverlistcount; i++)
 		if (connectedserver != serverlist[i].node)
 		{
-			Net_CloseConnection(serverlist[i].node);
+			Net_CloseConnection(serverlist[i].node|FORCECLOSE);
 			serverlist[i].node = 0;
 		}
 	serverlistcount = 0;
@@ -1714,12 +1714,25 @@ void CL_UpdateServerList(boolean internetsearch, INT32 room)
 				// Make sure MS version matches our own, to
 				// thwart nefarious servers who lie to the MS.
 
-				if(strcmp(version, server_list[i].version) == 0)
+				if (strcmp(version, server_list[i].version) == 0)
 				{
 					INT32 node = I_NetMakeNodewPort(server_list[i].ip, server_list[i].port);
 					if (node == -1)
 						break; // no more node free
 					SendAskInfo(node, true);
+					// Force close the connection so that servers can't eat
+					// up nodes forever if we never get a reply back from them
+					// (usually when they've not forwarded their ports).
+					//
+					// Don't worry, we'll get in contact with the working
+					// servers again when they send SERVERINFO to us later!
+					//
+					// (Note: as a side effect this probably means every
+					// server in the list will probably be using the same node (e.g. node 1),
+					// not that it matters which nodes they use when
+					// the connections are closed afterwards anyway)
+					// -- Monster Iestyn 12/11/18
+					Net_CloseConnection(node|FORCECLOSE);
 				}
 			}
 		}
@@ -3096,12 +3109,6 @@ static void Got_AddPlayer(UINT8 **p, INT32 playernum)
 			displayplayer = newplayernum;
 			secondarydisplayplayer = newplayernum;
 			DEBFILE("spawning me\n");
-			// Apply player flags as soon as possible!
-			players[newplayernum].pflags &= ~(PF_FLIPCAM|PF_ANALOGMODE);
-			if (cv_flipcam.value)
-				players[newplayernum].pflags |= PF_FLIPCAM;
-			if (cv_analog.value)
-				players[newplayernum].pflags |= PF_ANALOGMODE;
 		}
 		else
 		{
@@ -3109,12 +3116,6 @@ static void Got_AddPlayer(UINT8 **p, INT32 playernum)
 			DEBFILE("spawning my brother\n");
 			if (botingame)
 				players[newplayernum].bot = 1;
-			// Same goes for player 2 when relevant
-			players[newplayernum].pflags &= ~(PF_FLIPCAM|PF_ANALOGMODE);
-			if (cv_flipcam2.value)
-				players[newplayernum].pflags |= PF_FLIPCAM;
-			if (cv_analog2.value)
-				players[newplayernum].pflags |= PF_ANALOGMODE;
 		}
 		D_SendPlayerConfig();
 		addedtogame = true;
diff --git a/src/d_clisrv.h b/src/d_clisrv.h
index e7f1e8433dad04bb4865c91aa8b118d9b6f9b10f..fc15d0567d47b64d06f7273cf0851ccd29ed8919 100644
--- a/src/d_clisrv.h
+++ b/src/d_clisrv.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/d_event.h b/src/d_event.h
index b0d0e3c58f7426512ee4feb2b2cd0914786e38de..e9374efaf539b7970cab644f1ff4365bd488af49 100644
--- a/src/d_event.h
+++ b/src/d_event.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/d_main.c b/src/d_main.c
index df33987525d1520278c094f717309625c58327f2..23835136ac0c3867a23a7e2c6bf8d5ee514c5e6f 100644
--- a/src/d_main.c
+++ b/src/d_main.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -121,20 +121,17 @@ INT32 postimgparam;
 postimg_t postimgtype2 = postimg_none;
 INT32 postimgparam2;
 
+// These variables are only true if
+// whether the respective sound system is disabled
+// or they're init'ed, but the player just toggled them
 #ifdef _XBOX
-boolean nomidimusic = true, nosound = true;
-boolean nodigimusic = true;
+boolean midi_disabled = true, sound_disabled = true;
+boolean digital_disabled = true;
 #else
-boolean nomidimusic = false, nosound = false;
-boolean nodigimusic = false; // No fmod-based music
-#endif
-
-// These variables are only true if
-// the respective sound system is initialized
-// and active, but no sounds/music should play.
-boolean music_disabled = false;
+boolean midi_disabled = false;
 boolean sound_disabled = false;
 boolean digital_disabled = false;
+#endif
 
 boolean advancedemo;
 #ifdef DEBUGFILE
@@ -173,7 +170,7 @@ void D_PostEvent(const event_t *ev)
 	eventhead = (eventhead+1) & (MAXEVENTS-1);
 }
 // just for lock this function
-#ifndef DOXYGEN
+#if defined (PC_DOS) && !defined (DOXYGEN)
 void D_PostEvent_end(void) {};
 #endif
 
@@ -420,10 +417,13 @@ static void D_Display(void)
 			}
 
 			// Image postprocessing effect
-			if (postimgtype)
-				V_DoPostProcessor(0, postimgtype, postimgparam);
-			if (postimgtype2)
-				V_DoPostProcessor(1, postimgtype2, postimgparam2);
+			if (rendermode == render_soft)
+			{
+				if (postimgtype)
+					V_DoPostProcessor(0, postimgtype, postimgparam);
+				if (postimgtype2)
+					V_DoPostProcessor(1, postimgtype2, postimgparam2);
+			}
 		}
 
 		if (lastdraw)
@@ -720,7 +720,6 @@ void D_StartTitle(void)
 	maptol = 0;
 
 	gameaction = ga_nothing;
-	playerdeadview = false;
 	displayplayer = consoleplayer = 0;
 	//demosequence = -1;
 	gametype = GT_COOP;
@@ -765,10 +764,6 @@ static inline void D_CleanFile(void)
 	}
 }
 
-#ifndef _MAX_PATH
-#define _MAX_PATH MAX_WADPATH
-#endif
-
 // ==========================================================================
 // Identify the SRB2 version, and IWAD file to use.
 // ==========================================================================
@@ -829,7 +824,7 @@ static void IdentifyVersion(void)
 	else if (srb2wad1 != NULL && FIL_ReadFileOK(srb2wad1))
 		D_AddFile(srb2wad1);
 	else
-		I_Error("SRB2.SRB/SRB2.WAD not found! Expected in %s, ss files: %s and %s\n", srb2waddir, srb2wad1, srb2wad2);
+		I_Error("SRB2.SRB/SRB2.WAD not found! Expected in %s, ss files: %s or %s\n", srb2waddir, srb2wad1, srb2wad2);
 
 	if (srb2wad1)
 		free(srb2wad1);
@@ -932,6 +927,20 @@ void D_SRB2Main(void)
 	INT32 pstartmap = 1;
 	boolean autostart = false;
 
+	// Print GPL notice for our console users (Linux)
+	CONS_Printf(
+	"\n\nSonic Robo Blast 2\n"
+	"Copyright (C) 1998-2018 by Sonic Team Junior\n\n"
+	"This program comes with ABSOLUTELY NO WARRANTY.\n\n"
+	"This is free software, and you are welcome to redistribute it\n"
+	"and/or modify it under the terms of the GNU General Public License\n"
+	"as published by the Free Software Foundation; either version 2 of\n"
+	"the License, or (at your option) any later version.\n"
+	"See the 'LICENSE.txt' file for details.\n\n"
+	"Sonic the Hedgehog and related characters are trademarks of SEGA.\n"
+	"We do not claim ownership of SEGA's intellectual property used\n"
+	"in this program.\n\n");
+
 	// keep error messages until the final flush(stderr)
 #if !defined (PC_DOS) && !defined (_WIN32_WCE) && !defined(NOTERMIOS)
 	if (setvbuf(stderr, NULL, _IOFBF, 1000))
@@ -1212,27 +1221,27 @@ void D_SRB2Main(void)
 	// setting up sound
 	if (dedicated)
 	{
-		nosound = true;
-		nomidimusic = nodigimusic = true;
+		sound_disabled = true;
+		midi_disabled = digital_disabled = true;
 	}
 	else
 	{
-		CONS_Printf("S_Init(): Setting up sound.\n");
+		CONS_Printf("S_InitSfxChannels(): Setting up sound channels.\n");
 	}
 	if (M_CheckParm("-nosound"))
-		nosound = true;
+		sound_disabled = true;
 	if (M_CheckParm("-nomusic")) // combines -nomidimusic and -nodigmusic
-		nomidimusic = nodigimusic = true;
+		midi_disabled = digital_disabled = true;
 	else
 	{
 		if (M_CheckParm("-nomidimusic"))
-			nomidimusic = true; ; // WARNING: DOS version initmusic in I_StartupSound
+			midi_disabled = true; // WARNING: DOS version initmusic in I_StartupSound
 		if (M_CheckParm("-nodigmusic"))
-			nodigimusic = true; // WARNING: DOS version initmusic in I_StartupSound
+			digital_disabled = true; // WARNING: DOS version initmusic in I_StartupSound
 	}
 	I_StartupSound();
 	I_InitMusic();
-	S_Init(cv_soundvolume.value, cv_digmusicvolume.value, cv_midimusicvolume.value);
+	S_InitSfxChannels(cv_soundvolume.value);
 
 	CONS_Printf("ST_Init(): Init status bar.\n");
 	ST_Init();
diff --git a/src/d_main.h b/src/d_main.h
index 6dc273b1558d8ac6329a15100946dc889095eebf..d67a5bb498ba0f45d37b2be8c6bd15fde96cc78a 100644
--- a/src/d_main.h
+++ b/src/d_main.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -34,14 +34,14 @@ void D_SRB2Loop(void) FUNCNORETURN;
 // D_SRB2Main()
 // Not a globally visible function, just included for source reference,
 // calls all startup code, parses command line options.
-// If not overrided by user input, calls N_AdvanceDemo.
+// If not overrided by user input, calls D_AdvanceDemo.
 //
 void D_SRB2Main(void);
 
 // Called by IO functions when input is detected.
 void D_PostEvent(const event_t *ev);
-#ifndef DOXYGEN
-FUNCMATH void D_PostEvent_end(void);    // delimiter for locking memory
+#if defined (PC_DOS) && !defined (DOXYGEN)
+void D_PostEvent_end(void);    // delimiter for locking memory
 #endif
 
 void D_ProcessEvents(void);
@@ -51,9 +51,6 @@ const char *D_Home(void);
 //
 // BASE LEVEL
 //
-void D_PageTicker(void);
-// pagename is lumpname of a 320x200 patch to fill the screen
-void D_PageDrawer(const char *pagename);
 void D_AdvanceDemo(void);
 void D_StartTitle(void);
 
diff --git a/src/d_net.c b/src/d_net.c
index 643c41ac921507e6a76613348fa90d859a2e1daa..82c60e4ae01c26dc600e793247103862b1ad43b9 100644
--- a/src/d_net.c
+++ b/src/d_net.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -49,7 +49,9 @@ doomcom_t *doomcom = NULL;
 /// \brief network packet data, points inside doomcom
 doomdata_t *netbuffer = NULL;
 
+#ifdef DEBUGFILE
 FILE *debugfile = NULL; // put some net info in a file during the game
+#endif
 
 #define MAXREBOUND 8
 static doomdata_t reboundstore[MAXREBOUND];
diff --git a/src/d_net.h b/src/d_net.h
index 84814ce39327573a176716a02eec9d77bab52643..55ea308b38100c638425a1e0ebadaef244a18a2a 100644
--- a/src/d_net.h
+++ b/src/d_net.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/d_netcmd.c b/src/d_netcmd.c
index bf26ca61a1cdb584074793361d417524b3324314..16788baeb13af2a01398c7d9639fc894c1f3c676 100644
--- a/src/d_netcmd.c
+++ b/src/d_netcmd.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -128,8 +128,6 @@ FUNCNORETURN static ATTRNORETURN void Command_Quit_f(void);
 static void Command_Playintro_f(void);
 
 static void Command_Displayplayer_f(void);
-static void Command_Tunes_f(void);
-static void Command_RestartAudio_f(void);
 
 static void Command_ExitLevel_f(void);
 static void Command_Showmap_f(void);
@@ -319,7 +317,6 @@ consvar_t cv_overtime = {"overtime", "Yes", CV_NETVAR, CV_YesNo, NULL, 0, NULL,
 consvar_t cv_rollingdemos = {"rollingdemos", "On", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
 
 consvar_t cv_timetic = {"timerres", "Normal", CV_SAVE, timetic_cons_t, NULL, 0, NULL, NULL, 0, 0, NULL}; // use tics in display
-consvar_t cv_resetmusic = {"resetmusic", "No", CV_SAVE, CV_YesNo, NULL, 0, NULL, NULL, 0, 0, NULL};
 
 static CV_PossibleValue_t pointlimit_cons_t[] = {{0, "MIN"}, {999999990, "MAX"}, {0, NULL}};
 consvar_t cv_pointlimit = {"pointlimit", "0", CV_NETVAR|CV_CALL|CV_NOINIT, pointlimit_cons_t,
@@ -668,9 +665,6 @@ void D_RegisterClientCommands(void)
 	CV_RegisterVar(&cv_ghost_guest);
 
 	COM_AddCommand("displayplayer", Command_Displayplayer_f);
-	COM_AddCommand("tunes", Command_Tunes_f);
-	COM_AddCommand("restartaudio", Command_RestartAudio_f);
-	CV_RegisterVar(&cv_resetmusic);
 
 	// FIXME: not to be here.. but needs be done for config loading
 	CV_RegisterVar(&cv_usegamma);
@@ -1369,9 +1363,9 @@ void SendWeaponPref(void)
 	XBOXSTATIC UINT8 buf[1];
 
 	buf[0] = 0;
-	if (players[consoleplayer].pflags & PF_FLIPCAM)
+	if (cv_flipcam.value)
 		buf[0] |= 1;
-	if (players[consoleplayer].pflags & PF_ANALOGMODE)
+	if (cv_analog.value)
 		buf[0] |= 2;
 	SendNetXCmd(XD_WEAPONPREF, buf, 1);
 }
@@ -1381,9 +1375,9 @@ void SendWeaponPref2(void)
 	XBOXSTATIC UINT8 buf[1];
 
 	buf[0] = 0;
-	if (players[secondarydisplayplayer].pflags & PF_FLIPCAM)
+	if (cv_flipcam2.value)
 		buf[0] |= 1;
-	if (players[secondarydisplayplayer].pflags & PF_ANALOGMODE)
+	if (cv_analog2.value)
 		buf[0] |= 2;
 	SendNetXCmd2(XD_WEAPONPREF, buf, 1);
 }
@@ -1802,6 +1796,10 @@ static void Got_Mapcmd(UINT8 **cp, INT32 playernum)
 			mapname, resetplayer, lastgametype, gametype, chmappending));
 		CONS_Printf(M_GetText("Speeding off to level...\n"));
 	}
+
+	CON_ToggleOff();
+	CON_ClearHUD();
+
 	if (demoplayback && !timingdemo)
 		precache = false;
 
@@ -1818,7 +1816,6 @@ static void Got_Mapcmd(UINT8 **cp, INT32 playernum)
 	G_InitNew(ultimatemode, mapname, resetplayer, skipprecutscene);
 	if (demoplayback && !timingdemo)
 		precache = true;
-	CON_ToggleOff();
 	if (timingdemo)
 		G_DoneLevelLoad();
 
@@ -3881,95 +3878,6 @@ static void Command_Displayplayer_f(void)
 	CONS_Printf(M_GetText("Displayplayer is %d\n"), displayplayer);
 }
 
-static void Command_Tunes_f(void)
-{
-	const char *tunearg;
-	UINT16 tunenum, track = 0;
-	const size_t argc = COM_Argc();
-
-	if (argc < 2) //tunes slot ...
-	{
-		CONS_Printf("tunes <name/num> [track] [speed] / <-show> / <-default> / <-none>:\n");
-		CONS_Printf(M_GetText("Play an arbitrary music lump. If a map number is used, 'MAP##M' is played.\n"));
-		CONS_Printf(M_GetText("If the format supports multiple songs, you can specify which one to play.\n\n"));
-		CONS_Printf(M_GetText("* With \"-show\", shows the currently playing tune and track.\n"));
-		CONS_Printf(M_GetText("* With \"-default\", returns to the default music for the map.\n"));
-		CONS_Printf(M_GetText("* With \"-none\", any music playing will be stopped.\n"));
-		return;
-	}
-
-	tunearg = COM_Argv(1);
-	tunenum = (UINT16)atoi(tunearg);
-	track = 0;
-
-	if (!strcasecmp(tunearg, "-show"))
-	{
-		CONS_Printf(M_GetText("The current tune is: %s [track %d]\n"),
-			mapmusname, (mapmusflags & MUSIC_TRACKMASK));
-		return;
-	}
-	if (!strcasecmp(tunearg, "-none"))
-	{
-		S_StopMusic();
-		return;
-	}
-	else if (!strcasecmp(tunearg, "-default"))
-	{
-		tunearg = mapheaderinfo[gamemap-1]->musname;
-		track = mapheaderinfo[gamemap-1]->mustrack;
-	}
-	else if (!tunearg[2] && toupper(tunearg[0]) >= 'A' && toupper(tunearg[0]) <= 'Z')
-		tunenum = (UINT16)M_MapNumber(tunearg[0], tunearg[1]);
-
-	if (tunenum && tunenum >= 1036)
-	{
-		CONS_Alert(CONS_NOTICE, M_GetText("Valid music slots are 1 to 1035.\n"));
-		return;
-	}
-	if (!tunenum && strlen(tunearg) > 6) // This is automatic -- just show the error just in case
-		CONS_Alert(CONS_NOTICE, M_GetText("Music name too long - truncated to six characters.\n"));
-
-	if (argc > 2)
-		track = (UINT16)atoi(COM_Argv(2))-1;
-
-	if (tunenum)
-		snprintf(mapmusname, 7, "%sM", G_BuildMapName(tunenum));
-	else
-		strncpy(mapmusname, tunearg, 7);
-	mapmusname[6] = 0;
-	mapmusflags = (track & MUSIC_TRACKMASK);
-
-	S_ChangeMusic(mapmusname, mapmusflags, true);
-
-	if (argc > 3)
-	{
-		float speed = (float)atof(COM_Argv(3));
-		if (speed > 0.0f)
-			S_SpeedMusic(speed);
-	}
-}
-
-static void Command_RestartAudio_f(void)
-{
-	if (dedicated)  // No point in doing anything if game is a dedicated server.
-		return;
-
-	S_StopMusic();
-	I_ShutdownMusic();
-	I_ShutdownSound();
-	I_StartupSound();
-	I_InitMusic();
-
-// These must be called or no sound and music until manually set.
-
-	I_SetSfxVolume(cv_soundvolume.value);
-	I_SetDigMusicVolume(cv_digmusicvolume.value);
-	I_SetMIDIMusicVolume(cv_midimusicvolume.value);
-	if (Playing()) // Gotta make sure the player is in a level
-		P_RestoreMusic(&players[consoleplayer]);
-
-}
-
 /** Quits a game and returns to the title screen.
   *
   */
diff --git a/src/d_netcmd.h b/src/d_netcmd.h
index d8fae72f798ff874e17d630628f3e269a37fe7a3..09bde4e5b2017f9e04675fc784abcd89212d821f 100644
--- a/src/d_netcmd.h
+++ b/src/d_netcmd.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -20,6 +20,12 @@
 // console vars
 extern consvar_t cv_playername;
 extern consvar_t cv_playercolor;
+extern consvar_t cv_skin;
+// secondary splitscreen player
+extern consvar_t cv_playername2;
+extern consvar_t cv_playercolor2;
+extern consvar_t cv_skin2;
+
 #ifdef SEENAMES
 extern consvar_t cv_seenames, cv_allowseenames;
 #endif
@@ -32,7 +38,6 @@ extern consvar_t cv_joyport2;
 #endif
 extern consvar_t cv_joyscale;
 extern consvar_t cv_joyscale2;
-extern consvar_t cv_controlperkey;
 
 // splitscreen with second mouse
 extern consvar_t cv_mouse2port;
@@ -40,11 +45,6 @@ extern consvar_t cv_usemouse2;
 #if (defined (__unix__) && !defined (MSDOS)) || defined (UNIXCOMMON)
 extern consvar_t cv_mouse2opt;
 #endif
-extern consvar_t cv_invertmouse2;
-extern consvar_t cv_alwaysfreelook2;
-extern consvar_t cv_mousemove2;
-extern consvar_t cv_mousesens2;
-extern consvar_t cv_mouseysens2;
 
 // normally in p_mobj but the .h is not read
 extern consvar_t cv_itemrespawntime;
@@ -53,13 +53,6 @@ extern consvar_t cv_itemrespawn;
 extern consvar_t cv_flagtime;
 extern consvar_t cv_suddendeath;
 
-extern consvar_t cv_skin;
-
-// secondary splitscreen player
-extern consvar_t cv_playername2;
-extern consvar_t cv_playercolor2;
-extern consvar_t cv_skin2;
-
 extern consvar_t cv_touchtag;
 extern consvar_t cv_hidetime;
 
@@ -77,9 +70,6 @@ extern consvar_t cv_autobalance;
 extern consvar_t cv_teamscramble;
 extern consvar_t cv_scrambleonchange;
 
-extern consvar_t cv_useranalog, cv_useranalog2;
-extern consvar_t cv_analog, cv_analog2;
-
 extern consvar_t cv_netstat;
 #ifdef WALLSPLATS
 extern consvar_t cv_splats;
@@ -109,8 +99,6 @@ extern consvar_t cv_startinglives;
 // for F_finale.c
 extern consvar_t cv_rollingdemos;
 
-extern consvar_t cv_resetmusic;
-
 extern consvar_t cv_ringslinger, cv_soundtest;
 
 extern consvar_t cv_specialrings, cv_powerstones, cv_matchboxes, cv_competitionboxes;
@@ -121,17 +109,7 @@ extern consvar_t cv_maxping;
 
 extern consvar_t cv_skipmapcheck;
 
-extern consvar_t cv_sleep, cv_screenshot_option, cv_screenshot_folder;
-
-extern consvar_t cv_moviemode;
-
-extern consvar_t cv_zlib_level, cv_zlib_memory, cv_zlib_strategy;
-
-extern consvar_t cv_zlib_window_bits, cv_zlib_levela, cv_zlib_memorya;
-
-extern consvar_t cv_zlib_strategya, cv_zlib_window_bitsa;
-
-extern consvar_t cv_apng_delay;
+extern consvar_t cv_sleep;
 
 typedef enum
 {
@@ -212,7 +190,6 @@ void Command_ExitGame_f(void);
 void Command_Retry_f(void);
 void D_GameTypeChanged(INT32 lastgametype); // not a real _OnChange function anymore
 void D_MapChange(INT32 pmapnum, INT32 pgametype, boolean pultmode, boolean presetplayers, INT32 pdelay, boolean pskipprecutscene, boolean pfromlevelselect);
-void ObjectPlace_OnChange(void);
 void ItemFinder_OnChange(void);
 void D_SetPassword(const char *pw);
 
@@ -220,5 +197,3 @@ void D_SetPassword(const char *pw);
 UINT8 CanChangeSkin(INT32 playernum);
 
 #endif
-
-
diff --git a/src/d_netfil.c b/src/d_netfil.c
index 6742cfe284403fc70c1ccdeeadcb23bf890fa0ef..7c4806580fd18c0ee55241e788019f775e6c5a5e 100644
--- a/src/d_netfil.c
+++ b/src/d_netfil.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -94,7 +94,7 @@ static filetran_t transfer[MAXNETNODES];
 // Receiver structure
 INT32 fileneedednum; // Number of files needed to join the server
 fileneeded_t fileneeded[MAX_WADFILES]; // List of needed files
-char downloaddir[256] = "DOWNLOAD";
+char downloaddir[512] = "DOWNLOAD";
 
 #ifdef CLIENT_LOADINGSCREEN
 // for cl loading screen
diff --git a/src/d_netfil.h b/src/d_netfil.h
index b9b7b2f2ea389c977b26cfb970502f3b5ee67333..a7b692931a3c7d68195150f1e816485ca9665557 100644
--- a/src/d_netfil.h
+++ b/src/d_netfil.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -48,7 +48,7 @@ typedef struct
 
 extern INT32 fileneedednum;
 extern fileneeded_t fileneeded[MAX_WADFILES];
-extern char downloaddir[256];
+extern char downloaddir[512];
 
 #ifdef CLIENT_LOADINGSCREEN
 extern INT32 lastfilenum;
diff --git a/src/d_player.h b/src/d_player.h
index 5a4ebc1de1de080287be645e6d6188a08c79b5ff..7c5ac6890b22ce3b243fd307ab04af1729c2f11f 100644
--- a/src/d_player.h
+++ b/src/d_player.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/d_think.h b/src/d_think.h
index 2831b9f2b2e7b8b84fd7e030826c4ffd61256e9f..b907c17fd77d6f231c1813df056867322bcf56e4 100644
--- a/src/d_think.h
+++ b/src/d_think.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/d_ticcmd.h b/src/d_ticcmd.h
index 83f684b6fa1bdb50098f3d4b9051c970d6c92500..1ea015439c0fbbae529cc3a98ec21975b27aefb5 100644
--- a/src/d_ticcmd.h
+++ b/src/d_ticcmd.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/dehacked.c b/src/dehacked.c
index b7e874b1683da2110493595a61dddfd6342e63e6..7f549ce8e08ea4cb7639249bbfa9a24ceaf037b1 100644
--- a/src/dehacked.c
+++ b/src/dehacked.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -3069,7 +3069,7 @@ static void readmaincfg(MYFILE *f)
 				strncpy(timeattackfolder, gamedatafilename, min(filenamelen, sizeof (timeattackfolder)));
 				timeattackfolder[min(filenamelen, sizeof (timeattackfolder) - 1)] = '\0';
 
-				strncpy(savegamename, timeattackfolder, sizeof (timeattackfolder));
+				strncpy(savegamename, timeattackfolder, strlen(timeattackfolder));
 				strlcat(savegamename, "%u.ssg", sizeof(savegamename));
 				// can't use sprintf since there is %u in savegamename
 				strcatbf(savegamename, srb2home, PATHSEP);
@@ -7769,7 +7769,7 @@ fixed_t get_number(const char *word)
 #endif
 }
 
-void FUNCMATH DEH_Check(void)
+void DEH_Check(void)
 {
 #if defined(_DEBUG) || defined(PARANOIA)
 	const size_t dehstates = sizeof(STATE_LIST)/sizeof(const char*);
diff --git a/src/dehacked.h b/src/dehacked.h
index 8832216b84799995cf38c3b1485ea27289912f00..411cb6c1b5ec6c3309f57f2d679db1811bc57982 100644
--- a/src/dehacked.h
+++ b/src/dehacked.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/djgppdos/i_sound.c b/src/djgppdos/i_sound.c
index 88fc807f408cb4f285086fdabd854658b83063ad..52c90aac2d2450ede35eb9773e8b9a222e661783 100644
--- a/src/djgppdos/i_sound.c
+++ b/src/djgppdos/i_sound.c
@@ -134,21 +134,12 @@ FUNCINLINE static ATTRINLINE int Volset(int vol)
 
 void I_SetSfxVolume(INT32 volume)
 {
-	if (nosound)
+	if (sound_disabled)
 		return;
 
 	set_volume (Volset(volume),-1);
 }
 
-void I_SetMIDIMusicVolume(INT32 volume)
-{
-	if (nomidimusic)
-		return;
-
-	// Now set volume on output device.
-	set_volume (-1, Volset(volume));
-}
-
 //
 // Starting a sound means adding it
 //  to the current list of active sounds
@@ -165,11 +156,13 @@ INT32 I_StartSound ( sfxenum_t     id,
                    INT32         vol,
                    INT32         sep,
                    INT32         pitch,
-                   INT32         priority )
+                   INT32         priority,
+				   INT32         channel)
 {
 	int voice;
+	(void)channel;
 
-	if (nosound)
+	if (sound_disabled)
 	return 0;
 
 	// UNUSED
@@ -190,7 +183,7 @@ void I_StopSound (INT32 handle)
 	//  an setting the channel to zero.
 	int voice=handle & (VIRTUAL_VOICES-1);
 
-	if (nosound)
+	if (sound_disabled)
 		return;
 
 	if (voice_check(voice)==S_sfx[handle>>VOICESSHIFT].data)
@@ -199,7 +192,7 @@ void I_StopSound (INT32 handle)
 
 INT32 I_SoundIsPlaying(INT32 handle)
 {
-	if (nosound)
+	if (sound_disabled)
 		return FALSE;
 
 	if (voice_check(handle & (VIRTUAL_VOICES-1))==S_sfx[handle>>VOICESSHIFT].data)
@@ -229,7 +222,7 @@ void I_UpdateSoundParams( INT32 handle,
 	int voice=handle & (VIRTUAL_VOICES-1);
 	int numsfx=handle>>VOICESSHIFT;
 
-	if (nosound)
+	if (sound_disabled)
 		return;
 
 	if (voice_check(voice)==S_sfx[numsfx].data)
@@ -270,17 +263,17 @@ void I_StartupSound(void)
 	char   err[255];
 #endif
 
-	if (nosound)
+	if (sound_disabled)
 		sfxcard=DIGI_NONE;
 	else
 		sfxcard=DIGI_AUTODETECT;
 
-	if (nomidimusic)
+	if (midi_disabled)
 		midicard=MIDI_NONE;
 	else
 		midicard=MIDI_AUTODETECT; //DetectMusicCard();
 
-	nodigimusic=true; //Alam: No OGG/MP3/IT/MOD support
+	digital_disabled=true; //Alam: No OGG/MP3/IT/MOD support
 
 	// Secure and configure sound device first.
 	CONS_Printf("I_StartupSound: ");
@@ -293,8 +286,8 @@ void I_StartupSound(void)
 	{
 		sprintf (err,"Sound init error : %s\n",allegro_error);
 		CONS_Error (err);
-		nosound=true;
-		nomidimusic=true;
+		sound_disabled=true;
+		midi_disabled=true;
 	}
 	else
 	{
@@ -321,7 +314,11 @@ static MIDI* currsong;   //im assuming only 1 song will be played at once
 static int      islooping=0;
 static int      musicdies=-1;
 UINT8           music_started=0;
+boolean         songpaused=false;
 
+/// ------------------------
+//  MUSIC SYSTEM
+/// ------------------------
 
 /* load_midi_mem:
  *  Loads a standard MIDI file from memory, returning a pointer to
@@ -389,163 +386,162 @@ static MIDI *load_midi_mem(char *mempointer,int *e)
 	return midi;
 }
 
-void I_InitMIDIMusic(void)
+void I_InitMusic(void)
 {
-	if (nomidimusic)
+	if (midi_disabled)
 		return;
 
 	I_AddExitFunc(I_ShutdownMusic);
 	music_started = true;
+	songpaused = false;
 }
 
-void I_ShutdownMIDIMusic(void)
+void I_ShutdownMusic(void)
 {
 	if ( !music_started )
 		return;
 
-	I_StopSong(1);
+	I_StopSong();
 
 	music_started=false;
 }
 
-void I_InitDigMusic(void)
+/// ------------------------
+//  MUSIC PROPERTIES
+/// ------------------------
+
+musictype_t I_SongType(void)
 {
-//	CONS_Printf("Digital music not yet supported under DOS.\n");
+	if (currsong)
+		return MU_MID;
+	else
+		return MU_NONE;
 }
 
-void I_ShutdownDigMusic(void)
+boolean I_SongPlaying()
 {
-//	CONS_Printf("Digital music not yet supported under DOS.\n");
+	return (boolean)currsong;
 }
 
-void I_InitMusic(void)
+boolean I_SongPaused()
 {
-	if (!nodigimusic)
-		I_InitDigMusic();
-	if (!nomidimusic)
-		I_InitMIDIMusic();
+	return songpaused;
 }
 
-void I_ShutdownMusic(void)
+/// ------------------------
+//  MUSIC EFFECTS
+/// ------------------------
+
+boolean I_SetSongSpeed(float speed)
 {
-	I_ShutdownMIDIMusic();
-	I_ShutdownDigMusic();
+	(void)speed;
+	return false;
 }
 
-boolean I_PlaySong(INT32 handle, INT32 looping)
+/// ------------------------
+//  MUSIC PLAYBACK
+/// ------------------------
+
+boolean I_LoadSong(char *data, size_t len)
 {
-	handle = 0;
-	if (nomidimusic)
-		return false;
+	int e = len; //Alam: For error
+	if (midi_disabled)
+		return 0;
 
-	islooping = looping;
-	musicdies = gametic + NEWTICRATE*30;
-	if (play_midi(currsong,looping)==0)
-		return true;
-	return false;
+	if (memcmp(data,"MThd",4)==0) // support mid file in WAD !!!
+	{
+		currsong=load_midi_mem(data,&e);
+	}
+	else
+	{
+		CONS_Printf("Music Lump is not a MIDI lump\n");
+		return 0;
+	}
+
+	if (currsong==NULL)
+	{
+		CONS_Printf("Not a valid mid file : %d\n",e);
+		return 0;
+	}
+
+	return 1;
 }
 
-void I_PauseSong (INT32 handle)
+void I_UnloadSong(void)
 {
 	handle = 0;
-	if (nomidimusic)
+	if (midi_disabled)
 		return;
 
-	midi_pause();
+	//destroy_midi(currsong);
 }
 
-void I_ResumeSong (INT32 handle)
+boolean I_PlaySong(boolean looping)
 {
 	handle = 0;
-	if (nomidimusic)
-		return;
+	if (midi_disabled)
+		return false;
 
-	midi_resume();
+	islooping = looping;
+	musicdies = gametic + NEWTICRATE*30;
+	if (play_midi(currsong,looping)==0)
+		return true;
+	return false;
 }
 
-void I_StopSong(INT32 handle)
+void I_StopSong(void)
 {
 	handle = 0;
-	if (nomidimusic)
+	if (midi_disabled)
 		return;
 
 	islooping = 0;
 	musicdies = 0;
 	stop_midi();
+	songpaused = false;
 }
 
-// Is the song playing?
-#if 0
-int I_QrySongPlaying(int handle)
+void I_PauseSong (INT32 handle)
 {
-	if (nomidimusic)
-		return 0;
-
-	//return islooping || musicdies > gametic;
-	return (midi_pos==-1);
+	handle = 0;
+	if (midi_disabled)
+		return;
+	midi_pause();
+	songpaused = true;
 }
-#endif
 
-void I_UnRegisterSong(INT32 handle)
+void I_ResumeSong (INT32 handle)
 {
 	handle = 0;
-	if (nomidimusic)
+	if (midi_disabled)
 		return;
-
-	//destroy_midi(currsong);
+	midi_resume();
+	songpaused = false;
 }
 
-INT32 I_RegisterSong(void *data, size_t len)
+void I_SetMusicVolume(INT32 volume)
 {
-	int e = len; //Alam: For error
-	if (nomidimusic)
-		return 0;
-
-	if (memcmp(data,"MThd",4)==0) // support mid file in WAD !!!
-	{
-		currsong=load_midi_mem(data,&e);
-	}
-	else
-	{
-		CONS_Printf("Music Lump is not a MIDI lump\n");
-		return 0;
-	}
-
-	if (currsong==NULL)
-	{
-		CONS_Printf("Not a valid mid file : %d\n",e);
-		return 0;
-	}
+	if (midi_disabled)
+		return;
 
-	return 1;
+	// Now set volume on output device.
+	set_volume (-1, Volset(volume));
 }
 
-/// \todo Add OGG/MP3 support for dos
-boolean I_StartDigSong(const char *musicname, INT32 looping)
+boolean I_SetSongTrack(INT32 track)
 {
-	musicname = NULL;
-	looping = 0;
-	//CONS_Printf("I_StartDigSong: Not yet supported under DOS.\n");
+	(void)track;
 	return false;
 }
 
-void I_StopDigSong(void)
-{
-//	CONS_Printf("I_StopDigSong: Not yet supported under DOS.\n");
-}
-
-void I_SetDigMusicVolume(INT32 volume)
+// Is the song playing?
+#if 0
+int I_QrySongPlaying(int handle)
 {
-	volume = 0;
-	if (nodigimusic)
-		return;
-
-	// Now set volume on output device.
-//	CONS_Printf("Digital music not yet supported under DOS.\n");
-}
+	if (midi_disabled)
+		return 0;
 
-boolean I_SetSongSpeed(float speed)
-{
-	(void)speed;
-	return false;
+	//return islooping || musicdies > gametic;
+	return (midi_pos==-1);
 }
+#endif
diff --git a/src/djgppdos/rdb-s.h b/src/djgppdos/rdb-s.h
index 6202dacfad9b5151af1a0eab5f98b9ac25f45666..7a6d8be3c65595609ebe14f9e9e58fa60fcad1d3 100644
--- a/src/djgppdos/rdb-s.h
+++ b/src/djgppdos/rdb-s.h
@@ -1,7 +1,7 @@
 // Emacs style mode select   -*- C++ -*-
 //-----------------------------------------------------------------------------
 //
-// Copyright (C) 2005 by Sonic Team Jr.
+// Copyright (C) 2005-2018 by Sonic Team Jr.
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License
diff --git a/src/doomdata.h b/src/doomdata.h
index e916a151f72ed7b6d313f19b960d8c402eda00b5..ff025e99c0b9d1f8943ab3f2ab9911b396d9b2d4 100644
--- a/src/doomdata.h
+++ b/src/doomdata.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/doomdef.h b/src/doomdef.h
index 7f641558f04cf850a4ac4fc21ac3f0b4790a461f..470fa20bbf51079da668d4af2342edccd066095b 100644
--- a/src/doomdef.h
+++ b/src/doomdef.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -502,4 +502,11 @@ extern const char *compdate, *comptime, *comprevision, *compbranch;
 /// \note   Required for proper collision with moving sloped surfaces that have sector specials on them.
 //#define SECTORSPECIALSAFTERTHINK
 
+/// FINALLY some real clipping that doesn't make walls dissappear AND speeds the game up
+/// (that was the original comment from SRB2CB, sadly it is a lie and actually slows game down)
+/// on the bright side it fixes some weird issues with translucent walls
+/// \note	SRB2CB port.
+///      	SRB2CB itself ported this from PrBoom+
+#define NEWCLIP
+
 #endif // __DOOMDEF__
diff --git a/src/doomstat.h b/src/doomstat.h
index 8072a15528f56a23727da9a6d7b32bcf86db4166..52da2ae2c42ae9557253fe3cbd5c10f4b9b0fee3 100644
--- a/src/doomstat.h
+++ b/src/doomstat.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -85,10 +85,7 @@ extern boolean fromlevelselect;
 // Internal parameters for sound rendering.
 // ========================================
 
-extern boolean nomidimusic; // defined in d_main.c
-extern boolean nosound;
-extern boolean nodigimusic;
-extern boolean music_disabled;
+extern boolean midi_disabled;
 extern boolean sound_disabled;
 extern boolean digital_disabled;
 
@@ -445,19 +442,17 @@ extern mapthing_t *redctfstarts[MAXPLAYERS]; // CTF
 
 #if defined (macintosh)
 #define DEBFILE(msg) I_OutputMsg(msg)
-extern FILE *debugfile;
 #else
 #define DEBUGFILE
 #ifdef DEBUGFILE
 #define DEBFILE(msg) { if (debugfile) { fputs(msg, debugfile); fflush(debugfile); } }
-extern FILE *debugfile;
 #else
 #define DEBFILE(msg) {}
-extern FILE *debugfile;
 #endif
 #endif
 
 #ifdef DEBUGFILE
+extern FILE *debugfile;
 extern INT32 debugload;
 #endif
 
diff --git a/src/doomtype.h b/src/doomtype.h
index a711b466d6ccf61d8262534cb585f0a7a3ef7c2e..b44e32e46ccb1391ee5d1294d41b72dd52a117eb 100644
--- a/src/doomtype.h
+++ b/src/doomtype.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -44,12 +44,13 @@
 typedef long ssize_t;
 
 /* Older Visual C++ headers don't have the Win64-compatible typedefs... */
-#if ((_MSC_VER <= 1200) && (!defined(DWORD_PTR)))
-#define DWORD_PTR DWORD
-#endif
-
-#if ((_MSC_VER <= 1200) && (!defined(PDWORD_PTR)))
-#define PDWORD_PTR PDWORD
+#if (_MSC_VER <= 1200)
+	#ifndef DWORD_PTR
+		#define DWORD_PTR DWORD
+	#endif
+	#ifndef PDWORD_PTR
+		#define PDWORD_PTR PDWORD
+	#endif
 #endif
 #elif defined (_arch_dreamcast) // KOS Dreamcast
 #include <arch/types.h>
@@ -97,12 +98,14 @@ typedef long ssize_t;
 #define NOIPX
 #endif
 
+/* Strings and some misc platform specific stuff */
+
 #if defined (_MSC_VER) || defined (__OS2__)
 	// Microsoft VisualC++
 #ifdef _MSC_VER
 #if (_MSC_VER <= 1800) // MSVC 2013 and back
 	#define snprintf                _snprintf
-#if (_MSC_VER <= 1200) // MSVC 2012 and back
+#if (_MSC_VER <= 1200) // MSVC 6.0 and back
 	#define vsnprintf               _vsnprintf
 #endif
 #endif
@@ -178,6 +181,8 @@ size_t strlcpy(char *dst, const char *src, size_t siz);
 // not the number of bytes in the buffer.
 #define STRBUFCPY(dst,src) strlcpy(dst, src, sizeof dst)
 
+/* Boolean type definition */
+
 // \note __BYTEBOOL__ used to be set above if "macintosh" was defined,
 // if macintosh's version of boolean type isn't needed anymore, then isn't this macro pointless now?
 #ifndef __BYTEBOOL__
@@ -185,7 +190,7 @@ size_t strlcpy(char *dst, const char *src, size_t siz);
 
 	//faB: clean that up !!
 	#if defined( _MSC_VER)  && (_MSC_VER >= 1800) // MSVC 2013 and forward
-	#include "stdbool.h"
+		#include "stdbool.h"
 	#elif (defined (_WIN32) || (defined (_WIN32_WCE) && !defined (__GNUC__))) && !defined (_XBOX)
 		#define false   FALSE           // use windows types
 		#define true    TRUE
@@ -240,93 +245,71 @@ size_t strlcpy(char *dst, const char *src, size_t siz);
 #define UINT64_MAX 0xffffffffffffffffULL /* 18446744073709551615ULL */
 #endif
 
-union FColorRGBA
-{
-	UINT32 rgba;
-	struct
-	{
-		UINT8 red;
-		UINT8 green;
-		UINT8 blue;
-		UINT8 alpha;
-	} s;
-} ATTRPACK;
-typedef union FColorRGBA RGBA_t;
+/* Compiler-specific attributes and other macros */
 
-typedef enum
-{
-	postimg_none,
-	postimg_water,
-	postimg_motion,
-	postimg_flip,
-	postimg_heat
-} postimg_t;
+#ifdef __GNUC__ // __attribute__ ((X))
+	#define FUNCNORETURN __attribute__ ((noreturn))
+
+	#if ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)) && defined (__MINGW32__) // MinGW, >= GCC 4.1
+		#include "inttypes.h"
+		#if 0 //defined  (__USE_MINGW_ANSI_STDIO) && __USE_MINGW_ANSI_STDIO > 0
+			#define FUNCPRINTF __attribute__ ((format(gnu_printf, 1, 2)))
+			#define FUNCDEBUG  __attribute__ ((format(gnu_printf, 2, 3)))
+			#define FUNCIERROR __attribute__ ((format(gnu_printf, 1, 2),noreturn))
+		#elif (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4) // >= GCC 4.4
+			#define FUNCPRINTF __attribute__ ((format(ms_printf, 1, 2)))
+			#define FUNCDEBUG  __attribute__ ((format(ms_printf, 2, 3)))
+			#define FUNCIERROR __attribute__ ((format(ms_printf, 1, 2),noreturn))
+		#else
+			#define FUNCPRINTF __attribute__ ((format(printf, 1, 2)))
+			#define FUNCDEBUG  __attribute__ ((format(printf, 2, 3)))
+			#define FUNCIERROR __attribute__ ((format(printf, 1, 2),noreturn))
+		#endif
+	#else
+		#define FUNCPRINTF __attribute__ ((format(printf, 1, 2)))
+		#define FUNCDEBUG  __attribute__ ((format(printf, 2, 3)))
+		#define FUNCIERROR __attribute__ ((format(printf, 1, 2),noreturn))
+	#endif
 
-typedef UINT32 lumpnum_t; // 16 : 16 unsigned long (wad num: lump num)
-#define LUMPERROR UINT32_MAX
+	#ifndef FUNCIERROR
+		#define FUNCIERROR __attribute__ ((noreturn))
+	#endif
 
-typedef UINT32 tic_t;
-#define INFTICS UINT32_MAX
+	#define FUNCMATH __attribute__((const))
 
-#ifdef _BIG_ENDIAN
-#define UINT2RGBA(a) a
-#else
-#define UINT2RGBA(a) (UINT32)((a&0xff)<<24)|((a&0xff00)<<8)|((a&0xff0000)>>8)|(((UINT32)a&0xff000000)>>24)
-#endif
+	#if (__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1) // >= GCC 3.1
+		#define FUNCDEAD __attribute__ ((deprecated))
+		#define FUNCINLINE __attribute__((always_inline))
+		#define FUNCNONNULL __attribute__((nonnull))
+	#endif
 
-#ifdef __GNUC__ // __attribute__ ((X))
-#define FUNCNORETURN __attribute__ ((noreturn))
-#if ((__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)) && defined (__MINGW32__)
-#include "inttypes.h"
-#if 0 //defined  (__USE_MINGW_ANSI_STDIO) && __USE_MINGW_ANSI_STDIO > 0
-#define FUNCPRINTF __attribute__ ((format(gnu_printf, 1, 2)))
-#define FUNCDEBUG  __attribute__ ((format(gnu_printf, 2, 3)))
-#define FUNCIERROR __attribute__ ((format(gnu_printf, 1, 2),noreturn))
-#elif (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
-#define FUNCPRINTF __attribute__ ((format(ms_printf, 1, 2)))
-#define FUNCDEBUG  __attribute__ ((format(ms_printf, 2, 3)))
-#define FUNCIERROR __attribute__ ((format(ms_printf, 1, 2),noreturn))
-#else
-#define FUNCPRINTF __attribute__ ((format(printf, 1, 2)))
-#define FUNCDEBUG  __attribute__ ((format(printf, 2, 3)))
-#define FUNCIERROR __attribute__ ((format(printf, 1, 2),noreturn))
-#endif
-#else
-#define FUNCPRINTF __attribute__ ((format(printf, 1, 2)))
-#define FUNCDEBUG  __attribute__ ((format(printf, 2, 3)))
-#define FUNCIERROR __attribute__ ((format(printf, 1, 2),noreturn))
-#endif
-#ifndef FUNCIERROR
-#define FUNCIERROR __attribute__ ((noreturn))
-#endif
-#define FUNCMATH __attribute__((const))
-#if (__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)
-#define FUNCDEAD __attribute__ ((deprecated))
-#define FUNCINLINE __attribute__((always_inline))
-#define FUNCNONNULL __attribute__((nonnull))
-#endif
-#define FUNCNOINLINE __attribute__((noinline))
-#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4)
-#ifdef __i386__ // i386 only
-#define FUNCTARGET(X)  __attribute__ ((__target__ (X)))
-#endif
-#endif
-#if defined (__MINGW32__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
-#define ATTRPACK __attribute__((packed, gcc_struct))
-#else
-#define ATTRPACK __attribute__((packed))
-#endif
-#define ATTRUNUSED __attribute__((unused))
-#ifdef _XBOX
-#define FILESTAMP I_OutputMsg("%s:%d\n",__FILE__,__LINE__);
-#define XBOXSTATIC static
-#endif
+	#define FUNCNOINLINE __attribute__((noinline))
+
+	#if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4) // >= GCC 4.4
+		#ifdef __i386__ // i386 only
+			#define FUNCTARGET(X)  __attribute__ ((__target__ (X)))
+		#endif
+	#endif
+
+	#if defined (__MINGW32__) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) // MinGW, >= GCC 3.4
+		#define ATTRPACK __attribute__((packed, gcc_struct))
+	#else
+		#define ATTRPACK __attribute__((packed))
+	#endif
+
+	#define ATTRUNUSED __attribute__((unused))
+
+	// Xbox-only macros
+	#ifdef _XBOX
+		#define FILESTAMP I_OutputMsg("%s:%d\n",__FILE__,__LINE__);
+		#define XBOXSTATIC static
+	#endif
 #elif defined (_MSC_VER)
-#define ATTRNORETURN __declspec(noreturn)
-#define ATTRINLINE __forceinline
-#if _MSC_VER > 1200
-#define ATTRNOINLINE __declspec(noinline)
-#endif
+	#define ATTRNORETURN __declspec(noreturn)
+	#define ATTRINLINE __forceinline
+	#if _MSC_VER > 1200 // >= MSVC 6.0
+		#define ATTRNOINLINE __declspec(noinline)
+	#endif
 #endif
 
 #ifndef FUNCPRINTF
@@ -380,4 +363,43 @@ typedef UINT32 tic_t;
 #ifndef FILESTAMP
 #define FILESTAMP
 #endif
+
+/* Miscellaneous types that don't fit anywhere else (Can this be changed?) */
+
+union FColorRGBA
+{
+	UINT32 rgba;
+	struct
+	{
+		UINT8 red;
+		UINT8 green;
+		UINT8 blue;
+		UINT8 alpha;
+	} s;
+} ATTRPACK;
+typedef union FColorRGBA RGBA_t;
+
+typedef enum
+{
+	postimg_none,
+	postimg_water,
+	postimg_motion,
+	postimg_flip,
+	postimg_heat
+} postimg_t;
+
+typedef UINT32 lumpnum_t; // 16 : 16 unsigned long (wad num: lump num)
+#define LUMPERROR UINT32_MAX
+
+typedef UINT32 tic_t;
+#define INFTICS UINT32_MAX
+
+#include "endian.h" // This is needed to make sure the below macro acts correctly in big endian builds
+
+#ifdef SRB2_BIG_ENDIAN
+#define UINT2RGBA(a) a
+#else
+#define UINT2RGBA(a) (UINT32)((a&0xff)<<24)|((a&0xff00)<<8)|((a&0xff0000)>>8)|(((UINT32)a&0xff000000)>>24)
+#endif
+
 #endif //__DOOMTYPE__
diff --git a/src/dummy/i_sound.c b/src/dummy/i_sound.c
index 51dbb610d13657ab567bfd8314ea53dc6ba40350..7275bb1ae5d9345e035aa775b602b5fb3bf4f8a1 100644
--- a/src/dummy/i_sound.c
+++ b/src/dummy/i_sound.c
@@ -23,13 +23,14 @@ void I_UpdateSound(void){};
 //  SFX I/O
 //
 
-INT32 I_StartSound(sfxenum_t id, UINT8 vol, UINT8 sep, UINT8 pitch, UINT8 priority)
+INT32 I_StartSound(sfxenum_t id, UINT8 vol, UINT8 sep, UINT8 pitch, UINT8 priority, INT32 channel)
 {
 	(void)id;
 	(void)vol;
 	(void)sep;
 	(void)pitch;
 	(void)priority;
+	(void)channel;
 	return -1;
 }
 
@@ -57,91 +58,88 @@ void I_SetSfxVolume(UINT8 volume)
 	(void)volume;
 }
 
-//
-//  MUSIC I/O
-//
+/// ------------------------
+//  MUSIC SYSTEM
+/// ------------------------
 
 void I_InitMusic(void){}
 
 void I_ShutdownMusic(void){}
 
-void I_PauseSong(INT32 handle)
+/// ------------------------
+//  MUSIC PROPERTIES
+/// ------------------------
+
+musictype_t I_SongType(void)
 {
-	(void)handle;
+	return MU_NONE;
 }
 
-void I_ResumeSong(INT32 handle)
+boolean I_SongPlaying(void)
 {
-	(void)handle;
+	return false;
 }
 
-//
-//  MIDI I/O
-//
-
-void I_InitMIDIMusic(void){}
+boolean I_SongPaused(void)
+{
+	return false;
+}
 
-void I_ShutdownMIDIMusic(void){}
+/// ------------------------
+//  MUSIC EFFECTS
+/// ------------------------
 
-void I_SetMIDIMusicVolume(UINT8 volume)
+boolean I_SetSongSpeed(float speed)
 {
-	(void)volume;
+	(void)speed;
+	return false;
 }
 
-INT32 I_RegisterSong(void *data, size_t len)
+/// ------------------------
+//  MUSIC PLAYBACK
+/// ------------------------
+
+boolean I_LoadSong(char *data, size_t len)
 {
 	(void)data;
 	(void)len;
 	return -1;
 }
 
-boolean I_PlaySong(INT32 handle, boolean looping)
+void I_UnloadSong(void)
 {
 	(void)handle;
-	(void)looping;
-	return false;
 }
 
-void I_StopSong(INT32 handle)
+boolean I_PlaySong(boolean looping)
 {
 	(void)handle;
+	(void)looping;
+	return false;
 }
 
-void I_UnRegisterSong(INT32 handle)
+void I_StopSong(void)
 {
 	(void)handle;
 }
 
-//
-//  DIGMUSIC I/O
-//
-
-void I_InitDigMusic(void){}
-
-void I_ShutdownDigMusic(void){}
-
-boolean I_StartDigSong(const char *musicname, boolean looping)
+void I_PauseSong(void)
 {
-	(void)musicname;
-	(void)looping;
-	return false;
+	(void)handle;
 }
 
-void I_StopDigSong(void){}
-
-void I_SetDigMusicVolume(UINT8 volume)
+void I_ResumeSong(void)
 {
-	(void)volume;
+	(void)handle;
 }
 
-boolean I_SetSongSpeed(float speed)
+void I_SetMusicVolume(UINT8 volume)
 {
-	(void)speed;
-	return false;
+	(void)volume;
 }
 
 boolean I_SetSongTrack(int track)
 {
 	(void)track;
 	return false;
-}
+}
\ No newline at end of file
diff --git a/src/endian.h b/src/endian.h
index 2b876e7cb32c5ebc04fdd06e719ca3fbffae3298..d3c1cb18b4e6923cf101a64059266ed78326175a 100644
--- a/src/endian.h
+++ b/src/endian.h
@@ -1,6 +1,6 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
-// Copyright (C) 2014-2016 by Sonic Team Junior.
+// Copyright (C) 2014-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/f_finale.c b/src/f_finale.c
index a8b27bb807499f44b2855526f33e119a8cf1db4f..7662ac0614e39133b84e9a3448e285d9f0712c06 100644
--- a/src/f_finale.c
+++ b/src/f_finale.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -442,7 +442,6 @@ void F_StartIntro(void)
 
 	G_SetGamestate(GS_INTRO);
 	gameaction = ga_nothing;
-	playerdeadview = false;
 	paused = false;
 	CON_ToggleOff();
 	CON_ClearHUD();
@@ -980,6 +979,8 @@ static const char *credits[] = {
 	"Callum Dickinson",
 	"Scott \"Graue\" Feeney",
 	"Nathan \"Jazz\" Giroux",
+	"Vivian \"toaster\" Grannell",
+	"Kepa \"Nev3r\" Iceta",
 	"Thomas \"Shadow Hog\" Igoe",
 	"Iestyn \"Monster Iestyn\" Jealous",
 	"Ronald \"Furyhunter\" Kinard", // The SDL2 port
@@ -987,6 +988,7 @@ static const char *credits[] = {
 	"Ehab \"Wolfy\" Saeed",
 	"\"Kaito Sinclaire\"",
 	"\"SSNTails\"",
+	"Marco \"mazmazz\" Zafra",
 	"",
 	"\1Programming",
 	"\1Assistance",
@@ -994,7 +996,6 @@ static const char *credits[] = {
 	"Andrew \"orospakr\" Clunis",
 	"Gregor \"Oogaland\" Dick",
 	"Louis-Antoine \"LJSonic\" de Moulins", // for fixing 2.1's netcode (de Rochefort doesn't quite fit on the screen sorry lol)
-	"Vivian \"toaster\" Grannell",
 	"Julio \"Chaos Zero 64\" Guir",
 	"\"Kalaron\"", // Coded some of Sryder13's collection of OpenGL fixes, especially fog
 	"Matthew \"Shuffle\" Marsalko",
@@ -1002,7 +1003,12 @@ static const char *credits[] = {
 	"\"Morph\"", // For SRB2Morphed stuff
 	"Colin \"Sonict\" Pfaff",
 	"Sean \"Sryder13\" Ryder",
+	"Tasos \"tatokis\" Sahanidis", // Corrected C FixedMul, making 64-bit builds netplay compatible
+	"\"Steel Titanium\"",
 	"Ben \"Cue\" Woodford",
+	// Git contributors with 5+ approved merges, at least a few of substantive quality, may be named
+	// Everyone else is acknowledged here
+	"STJr Git Contributors",
 	"",
 	"\1Sprite Artists",
 	"Odi \"Iceman404\" Atunzu",
@@ -1049,13 +1055,13 @@ static const char *credits[] = {
 	"Thomas \"Shadow Hog\" Igoe",
 	"Erik \"Torgo\" Nielsen",
 	"\"Kaito Sinclaire\"",
-	"Wessel \"Spherallic\" Smit",
+	"Wessel \"sphere\" Smit",
 	"\"Spazzo\"",
 	"\"SSNTails\"",
 	"Rob Tisdell",
 	"Jarrett \"JEV3\" Voight",
 	"Johnny \"Sonikku\" Wallbank",
-	"Marco \"Digiku\" Zafra",
+	"Marco \"mazmazz\" Zafra",
 	"",
 	"\1Boss Design",
 	"Ben \"Mystic\" Geyer",
@@ -1130,7 +1136,6 @@ void F_StartCredits(void)
 	}
 
 	gameaction = ga_nothing;
-	playerdeadview = false;
 	paused = false;
 	CON_ToggleOff();
 	CON_ClearHUD();
@@ -1154,6 +1159,9 @@ void F_CreditDrawer(void)
 	for (i = 0; credits_pics[i].patch; i++)
 		V_DrawSciencePatch(credits_pics[i].x<<FRACBITS, (credits_pics[i].y<<FRACBITS) - 4*(animtimer<<FRACBITS)/5, 0, W_CachePatchName(credits_pics[i].patch, PU_CACHE), FRACUNIT>>1);
 
+	// Dim the background
+	V_DrawFadeScreen();
+
 	// Draw credits text on top
 	for (i = 0; credits[i]; i++)
 	{
@@ -1277,7 +1285,6 @@ void F_StartGameEvaluation(void)
 		G_SaveGame((UINT32)cursaveslot);
 
 	gameaction = ga_nothing;
-	playerdeadview = false;
 	paused = false;
 	CON_ToggleOff();
 	CON_ClearHUD();
@@ -1388,7 +1395,6 @@ void F_StartGameEnd(void)
 	G_SetGamestate(GS_GAMEEND);
 
 	gameaction = ga_nothing;
-	playerdeadview = false;
 	paused = false;
 	CON_ToggleOff();
 	CON_ClearHUD();
@@ -1405,6 +1411,7 @@ void F_StartGameEnd(void)
 //
 void F_GameEndDrawer(void)
 {
+	// this function does nothing
 }
 
 //
@@ -1591,7 +1598,6 @@ void F_StartContinue(void)
 	gameaction = ga_nothing;
 
 	keypressed = false;
-	playerdeadview = false;
 	paused = false;
 	CON_ToggleOff();
 	CON_ClearHUD();
@@ -1760,7 +1766,6 @@ void F_StartCustomCutscene(INT32 cutscenenum, boolean precutscene, boolean reset
 	G_SetGamestate(GS_CUTSCENE);
 
 	gameaction = ga_nothing;
-	playerdeadview = false;
 	paused = false;
 	CON_ToggleOff();
 
diff --git a/src/f_finale.h b/src/f_finale.h
index 1f23643bec2bd52a91cd3477ded284eb2a842484..efab71698f5f97d87324c269d0779420c63ec2a6 100644
--- a/src/f_finale.h
+++ b/src/f_finale.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -35,7 +35,7 @@ void F_CutsceneTicker(void);
 void F_TitleDemoTicker(void);
 
 // Called by main loop.
-FUNCMATH void F_GameEndDrawer(void);
+void F_GameEndDrawer(void);
 void F_IntroDrawer(void);
 void F_TitleScreenDrawer(void);
 
diff --git a/src/f_wipe.c b/src/f_wipe.c
index e45f2e85b6cb16d874088464026d378a8102a2cc..95dd5bbdef8c386727f0df4f6e641b6885129774 100644
--- a/src/f_wipe.c
+++ b/src/f_wipe.c
@@ -3,7 +3,7 @@
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
 // Copyright (C) 2013-2016 by Matthew "Inuyasha" Walsh.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/g_game.c b/src/g_game.c
index 4f1c49b428bdb7165146518e5387f8496b44bfc1..4a7719fa0359ce33da6c63476e5251fc476b3cf0 100644
--- a/src/g_game.c
+++ b/src/g_game.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -1575,11 +1575,6 @@ static void Analog_OnChange(void)
 		return;
 	}
 
-	if (cv_analog.value)
-		players[consoleplayer].pflags |= PF_ANALOGMODE;
-	else
-		players[consoleplayer].pflags &= ~PF_ANALOGMODE;
-
 	SendWeaponPref();
 }
 
@@ -1600,11 +1595,6 @@ static void Analog2_OnChange(void)
 		return;
 	}
 
-	if (cv_analog2.value)
-		players[secondarydisplayplayer].pflags |= PF_ANALOGMODE;
-	else
-		players[secondarydisplayplayer].pflags &= ~PF_ANALOGMODE;
-
 	SendWeaponPref2();
 }
 
@@ -3616,7 +3606,6 @@ void G_InitNew(UINT8 pultmode, const char *mapname, boolean resetplayer, boolean
 	mapmusflags |= MUSIC_RELOADRESET;
 
 	ultimatemode = pultmode;
-	playerdeadview = false;
 	automapactive = false;
 	imcontinuing = false;
 
diff --git a/src/g_game.h b/src/g_game.h
index ada82404c9e3e9f97ff4940d5daa8799fef7f2fc..e33d13661ec60808b2bc86ac1f67ffba181fb319 100644
--- a/src/g_game.h
+++ b/src/g_game.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -56,6 +56,9 @@ extern INT16 rw_maximums[NUM_WEAPONS];
 // used in game menu
 extern consvar_t cv_crosshair, cv_crosshair2;
 extern consvar_t cv_invertmouse, cv_alwaysfreelook, cv_mousemove;
+extern consvar_t cv_invertmouse2, cv_alwaysfreelook2, cv_mousemove2;
+extern consvar_t cv_useranalog, cv_useranalog2;
+extern consvar_t cv_analog, cv_analog2;
 extern consvar_t cv_sideaxis,cv_turnaxis,cv_moveaxis,cv_lookaxis,cv_fireaxis,cv_firenaxis;
 extern consvar_t cv_sideaxis2,cv_turnaxis2,cv_moveaxis2,cv_lookaxis2,cv_fireaxis2,cv_firenaxis2;
 extern consvar_t cv_ghost_bestscore, cv_ghost_besttime, cv_ghost_bestrings, cv_ghost_last, cv_ghost_guest;
diff --git a/src/g_input.c b/src/g_input.c
index b004384c05309f3ba4b751823635d0887a55e103..09ea336ac3131820b3f5acfe580783497c04c3ce 100644
--- a/src/g_input.c
+++ b/src/g_input.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/g_input.h b/src/g_input.h
index d65339321060f11f41b405efe43289381db55c16..6dc99ac55de535e60926b2c19d02ff0602033703 100644
--- a/src/g_input.h
+++ b/src/g_input.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -126,6 +126,8 @@ typedef enum
 
 // mouse values are used once
 extern consvar_t cv_mousesens, cv_mouseysens;
+extern consvar_t cv_mousesens2, cv_mouseysens2;
+extern consvar_t cv_controlperkey;
 
 extern INT32 mousex, mousey;
 extern INT32 mlooky; //mousey with mlookSensitivity
diff --git a/src/g_state.h b/src/g_state.h
index 81548b7cec7857c71a40c71ea71a98a3df4a390c..76c9bd16f1e63e76cdd5b60c9d14fed560f765f1 100644
--- a/src/g_state.h
+++ b/src/g_state.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/hardware/hw3sound.c b/src/hardware/hw3sound.c
index c68430921fa4053b5e3fc96fe23f94804291a0ea..f7c6e1da025e1db33471bd8775bc6a8ff4c826a3 100644
--- a/src/hardware/hw3sound.c
+++ b/src/hardware/hw3sound.c
@@ -361,7 +361,7 @@ INT32 HW3S_I_StartSound(const void *origin_p, source3D_data_t *source_parm, chan
 
 	if (splitscreen) listenmobj2 = players[secondarydisplayplayer].mo;
 
-	if (nosound)
+	if (sound_disabled)
 		return -1;
 
 	sfx = &S_sfx[sfx_id];
diff --git a/src/hardware/hw_bsp.c b/src/hardware/hw_bsp.c
index 17eb8761c9650eea7ca4b87d6dc157a3dd078979..a180697d53baba6ad75214cfd343dd7e665beb47 100644
--- a/src/hardware/hw_bsp.c
+++ b/src/hardware/hw_bsp.c
@@ -564,8 +564,6 @@ static inline void HWR_SubsecPoly(INT32 num, poly_t *poly)
 	subsector_t *sub;
 	seg_t *lseg;
 
-	sscount++;
-
 	sub = &subsectors[num];
 	count = sub->numlines;
 	lseg = &segs[sub->firstline];
@@ -635,6 +633,7 @@ static void WalkBSPNode(INT32 bspnum, poly_t *poly, UINT16 *leafnode, fixed_t *b
 			HWR_SubsecPoly(bspnum&(~NF_SUBSECTOR), poly);
 			//Hurdler: implement a loading status
 
+#ifdef HWR_LOADING_SCREEN
 			if (ls_count-- <= 0)
 			{
 				char s[16];
@@ -659,6 +658,7 @@ static void WalkBSPNode(INT32 bspnum, poly_t *poly, UINT16 *leafnode, fixed_t *b
 
 				I_UpdateNoVsync();
 			}
+#endif
 		}
 		M_ClearBox(bbox);
 		poly = extrasubsectors[bspnum&~NF_SUBSECTOR].planepoly;
@@ -880,8 +880,8 @@ static void AdjustSegs(void)
 		count = subsectors[i].numlines;
 		lseg = &segs[subsectors[i].firstline];
 		p = extrasubsectors[i].planepoly;
-		if (!p)
-			continue;
+		//if (!p)
+			//continue;
 		for (; count--; lseg++)
 		{
 			float distv1,distv2,tmp;
@@ -894,29 +894,31 @@ static void AdjustSegs(void)
 				continue;
 #endif
 
-			for (j = 0; j < p->numpts; j++)
-			{
-				distv1 = p->pts[j].x - FIXED_TO_FLOAT(lseg->v1->x);
-				tmp    = p->pts[j].y - FIXED_TO_FLOAT(lseg->v1->y);
-				distv1 = distv1*distv1+tmp*tmp;
-				if (distv1 <= nearv1)
-				{
-					v1found = j;
-					nearv1 = distv1;
-				}
-				// the same with v2
-				distv2 = p->pts[j].x - FIXED_TO_FLOAT(lseg->v2->x);
-				tmp    = p->pts[j].y - FIXED_TO_FLOAT(lseg->v2->y);
-				distv2 = distv2*distv2+tmp*tmp;
-				if (distv2 <= nearv2)
+			if (p) {
+				for (j = 0; j < p->numpts; j++)
 				{
-					v2found = j;
-					nearv2 = distv2;
+					distv1 = p->pts[j].x - FIXED_TO_FLOAT(lseg->v1->x);
+					tmp    = p->pts[j].y - FIXED_TO_FLOAT(lseg->v1->y);
+					distv1 = distv1*distv1+tmp*tmp;
+					if (distv1 <= nearv1)
+					{
+						v1found = j;
+						nearv1 = distv1;
+					}
+					// the same with v2
+					distv2 = p->pts[j].x - FIXED_TO_FLOAT(lseg->v2->x);
+					tmp    = p->pts[j].y - FIXED_TO_FLOAT(lseg->v2->y);
+					distv2 = distv2*distv2+tmp*tmp;
+					if (distv2 <= nearv2)
+					{
+						v2found = j;
+						nearv2 = distv2;
+					}
 				}
 			}
-			if (nearv1 <= NEARDIST*NEARDIST)
+			if (p && nearv1 <= NEARDIST*NEARDIST)
 				// share vertice with segs
-				lseg->v1 = (vertex_t *)&(p->pts[v1found]);
+				lseg->pv1 = &(p->pts[v1found]);
 			else
 			{
 				// BP: here we can do better, using PointInSeg and compute
@@ -927,24 +929,24 @@ static void AdjustSegs(void)
 				polyvertex_t *pv = HWR_AllocVertex();
 				pv->x = FIXED_TO_FLOAT(lseg->v1->x);
 				pv->y = FIXED_TO_FLOAT(lseg->v1->y);
-				lseg->v1 = (vertex_t *)pv;
+				lseg->pv1 = pv;
 			}
-			if (nearv2 <= NEARDIST*NEARDIST)
-				lseg->v2 = (vertex_t *)&(p->pts[v2found]);
+			if (p && nearv2 <= NEARDIST*NEARDIST)
+				lseg->pv2 = &(p->pts[v2found]);
 			else
 			{
 				polyvertex_t *pv = HWR_AllocVertex();
 				pv->x = FIXED_TO_FLOAT(lseg->v2->x);
 				pv->y = FIXED_TO_FLOAT(lseg->v2->y);
-				lseg->v2 = (vertex_t *)pv;
+				lseg->pv2 = pv;
 			}
 
 			// recompute length
 			{
 				float x,y;
-				x = ((polyvertex_t *)lseg->v2)->x - ((polyvertex_t *)lseg->v1)->x
+				x = ((polyvertex_t *)lseg->pv2)->x - ((polyvertex_t *)lseg->pv1)->x
 					+ FIXED_TO_FLOAT(FRACUNIT/2);
-				y = ((polyvertex_t *)lseg->v2)->y - ((polyvertex_t *)lseg->v1)->y
+				y = ((polyvertex_t *)lseg->pv2)->y - ((polyvertex_t *)lseg->pv1)->y
 					+ FIXED_TO_FLOAT(FRACUNIT/2);
 				lseg->flength = (float)hypot(x, y);
 				// BP: debug see this kind of segs
diff --git a/src/hardware/hw_clip.c b/src/hardware/hw_clip.c
new file mode 100644
index 0000000000000000000000000000000000000000..6d120efe72c4ca251b61dfa5c68be1b206719d31
--- /dev/null
+++ b/src/hardware/hw_clip.c
@@ -0,0 +1,465 @@
+/* Emacs style mode select   -*- C++ -*-
+ *-----------------------------------------------------------------------------
+ *
+ *
+ *  PrBoom: a Doom port merged with LxDoom and LSDLDoom
+ *  based on BOOM, a modified and improved DOOM engine
+ *  Copyright (C) 1999 by
+ *  id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
+ *  Copyright (C) 1999-2000 by
+ *  Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
+ *  Copyright 2005, 2006 by
+ *  Florian Schulze, Colin Phipps, Neil Stevens, Andrey Budko
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version 2
+ *  of the License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ *  02111-1307, USA.
+ *
+ * DESCRIPTION:
+ *
+ *---------------------------------------------------------------------
+ */
+
+/*
+ *
+ ** gl_clipper.cpp
+ **
+ ** Handles visibility checks.
+ ** Loosely based on the JDoom clipper.
+ **
+ **---------------------------------------------------------------------------
+ ** Copyright 2003 Tim Stump
+ ** All rights reserved.
+ **
+ ** Redistribution and use in source and binary forms, with or without
+ ** modification, are permitted provided that the following conditions
+ ** are met:
+ **
+ ** 1. Redistributions of source code must retain the above copyright
+ **    notice, this list of conditions and the following disclaimer.
+ ** 2. Redistributions in binary form must reproduce the above copyright
+ **    notice, this list of conditions and the following disclaimer in the
+ **    documentation and/or other materials provided with the distribution.
+ ** 3. The name of the author may not be used to endorse or promote products
+ **    derived from this software without specific prior written permission.
+ **
+ ** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ ** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ ** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ ** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ ** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ ** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ ** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ **---------------------------------------------------------------------------
+ **
+ */
+
+#include <math.h>
+#include "../v_video.h"
+#include "hw_clip.h"
+#include "hw_glob.h"
+#include "../r_state.h"
+#include "../tables.h"
+#include "r_opengl/r_opengl.h"
+
+#ifdef HAVE_SPHEREFRUSTRUM
+static GLdouble viewMatrix[16];
+static GLdouble projMatrix[16];
+float frustum[6][4];
+#endif
+
+typedef struct clipnode_s
+	{
+		struct clipnode_s *prev, *next;
+		angle_t start, end;
+	} clipnode_t;
+
+clipnode_t *freelist;
+clipnode_t *clipnodes;
+clipnode_t *cliphead;
+
+static clipnode_t * gld_clipnode_GetNew(void);
+static clipnode_t * gld_clipnode_NewRange(angle_t start, angle_t end);
+static boolean gld_clipper_IsRangeVisible(angle_t startAngle, angle_t endAngle);
+static void gld_clipper_AddClipRange(angle_t start, angle_t end);
+static void gld_clipper_RemoveRange(clipnode_t * range);
+static void gld_clipnode_Free(clipnode_t *node);
+
+static clipnode_t * gld_clipnode_GetNew(void)
+{
+	if (freelist)
+	{
+		clipnode_t * p = freelist;
+		freelist = p->next;
+		return p;
+	}
+	else
+	{
+		return (clipnode_t*)malloc(sizeof(clipnode_t));
+	}
+}
+
+static clipnode_t * gld_clipnode_NewRange(angle_t start, angle_t end)
+{
+	clipnode_t * c = gld_clipnode_GetNew();
+	c->start = start;
+	c->end = end;
+	c->next = c->prev=NULL;
+	return c;
+}
+
+boolean gld_clipper_SafeCheckRange(angle_t startAngle, angle_t endAngle)
+{
+	if(startAngle > endAngle)
+	{
+		return (gld_clipper_IsRangeVisible(startAngle, ANGLE_MAX) || gld_clipper_IsRangeVisible(0, endAngle));
+	}
+
+	return gld_clipper_IsRangeVisible(startAngle, endAngle);
+}
+
+static boolean gld_clipper_IsRangeVisible(angle_t startAngle, angle_t endAngle)
+{
+	clipnode_t *ci;
+	ci = cliphead;
+
+	if (endAngle == 0 && ci && ci->start == 0)
+		return false;
+
+	while (ci != NULL && ci->start < endAngle)
+	{
+		if (startAngle >= ci->start && endAngle <= ci->end)
+		{
+			return false;
+		}
+		ci = ci->next;
+	}
+
+	return true;
+}
+
+static void gld_clipnode_Free(clipnode_t *node)
+{
+	node->next = freelist;
+	freelist = node;
+}
+
+static void gld_clipper_RemoveRange(clipnode_t *range)
+{
+	if (range == cliphead)
+	{
+		cliphead = cliphead->next;
+	}
+	else
+	{
+		if (range->prev)
+		{
+			range->prev->next = range->next;
+		}
+		if (range->next)
+		{
+			range->next->prev = range->prev;
+		}
+	}
+
+	gld_clipnode_Free(range);
+}
+
+void gld_clipper_SafeAddClipRange(angle_t startangle, angle_t endangle)
+{
+	if(startangle > endangle)
+	{
+		// The range has to added in two parts.
+		gld_clipper_AddClipRange(startangle, ANGLE_MAX);
+		gld_clipper_AddClipRange(0, endangle);
+	}
+	else
+	{
+		// Add the range as usual.
+		gld_clipper_AddClipRange(startangle, endangle);
+	}
+}
+
+static void gld_clipper_AddClipRange(angle_t start, angle_t end)
+{
+	clipnode_t *node, *temp, *prevNode, *node2, *delnode;
+
+	if (cliphead)
+	{
+		//check to see if range contains any old ranges
+		node = cliphead;
+		while (node != NULL && node->start < end)
+		{
+			if (node->start >= start && node->end <= end)
+			{
+				temp = node;
+				node = node->next;
+				gld_clipper_RemoveRange(temp);
+			}
+			else
+			{
+				if (node->start <= start && node->end >= end)
+				{
+					return;
+				}
+				else
+				{
+					node = node->next;
+				}
+			}
+		}
+
+		//check to see if range overlaps a range (or possibly 2)
+		node = cliphead;
+		while (node != NULL && node->start <= end)
+		{
+			if (node->end >= start)
+			{
+				// we found the first overlapping node
+				if (node->start > start)
+				{
+					// the new range overlaps with this node's start point
+					node->start = start;
+				}
+				if (node->end < end)
+				{
+					node->end = end;
+				}
+
+				node2 = node->next;
+				while (node2 && node2->start <= node->end)
+				{
+					if (node2->end > node->end)
+					{
+						node->end = node2->end;
+					}
+
+					delnode = node2;
+					node2 = node2->next;
+					gld_clipper_RemoveRange(delnode);
+				}
+				return;
+			}
+			node = node->next;
+		}
+
+		//just add range
+		node = cliphead;
+		prevNode = NULL;
+		temp = gld_clipnode_NewRange(start, end);
+		while (node != NULL && node->start < end)
+		{
+			prevNode = node;
+			node = node->next;
+		}
+		temp->next = node;
+		if (node == NULL)
+		{
+			temp->prev = prevNode;
+			if (prevNode)
+			{
+				prevNode->next = temp;
+			}
+			if (!cliphead)
+			{
+				cliphead = temp;
+			}
+		}
+		else
+		{
+			if (node == cliphead)
+			{
+				cliphead->prev = temp;
+				cliphead = temp;
+			}
+			else
+			{
+				temp->prev = prevNode;
+				prevNode->next = temp;
+				node->prev = temp;
+			}
+		}
+	}
+	else
+	{
+		temp = gld_clipnode_NewRange(start, end);
+		cliphead = temp;
+		return;
+	}
+}
+
+void gld_clipper_Clear(void)
+{
+	clipnode_t *node = cliphead;
+	clipnode_t *temp;
+
+	while (node != NULL)
+	{
+		temp = node;
+		node = node->next;
+		gld_clipnode_Free(temp);
+	}
+
+	cliphead = NULL;
+}
+
+#define RMUL (1.6f/1.333333f)
+
+angle_t gld_FrustumAngle(void)
+{
+	double floatangle;
+	angle_t a1;
+
+	float tilt = (float)fabs(((double)(int)aimingangle) / ANG1);
+
+	// NEWCLIP TODO: SRB2CBTODO: make a global render_fov for this function
+
+	float render_fov = FIXED_TO_FLOAT(cv_grfov.value);
+	float render_fovratio = (float)BASEVIDWIDTH / (float)BASEVIDHEIGHT; // SRB2CBTODO: NEWCLIPTODO: Is this right?
+	float render_multiplier = 64.0f / render_fovratio / RMUL;
+
+	if (tilt > 90.0f)
+	{
+		tilt = 90.0f;
+	}
+
+	// If the pitch is larger than this you can look all around at a FOV of 90
+	if (abs((signed)aimingangle) > 46 * ANG1)
+		return 0xffffffff;
+
+	// ok, this is a gross hack that barely works...
+	// but at least it doesn't overestimate too much...
+	floatangle = 2.0f + (45.0f + (tilt / 1.9f)) * (float)render_fov * 48.0f / render_multiplier / 90.0f;
+	a1 = ANG1 * (int)floatangle;
+	if (a1 >= ANGLE_180)
+		return 0xffffffff;
+	return a1;
+}
+
+// SRB2CB I don't think used any of this stuff, let's disable for now since SRB2 probably doesn't want it either
+// compiler complains about (p)glGetDoublev anyway, in case anyone wants this
+// only r_opengl.c can use the base gl funcs as it turns out, that's a problem for whoever wants sphere frustum checks
+// btw to renable define HAVE_SPHEREFRUSTRUM in hw_clip.h
+#ifdef HAVE_SPHEREFRUSTRUM
+//
+// gld_FrustrumSetup
+//
+
+#define CALCMATRIX(a, b, c, d, e, f, g, h)\
+(float)(viewMatrix[a] * projMatrix[b] + \
+viewMatrix[c] * projMatrix[d] + \
+viewMatrix[e] * projMatrix[f] + \
+viewMatrix[g] * projMatrix[h])
+
+#define NORMALIZE_PLANE(i)\
+t = (float)sqrt(\
+frustum[i][0] * frustum[i][0] + \
+frustum[i][1] * frustum[i][1] + \
+frustum[i][2] * frustum[i][2]); \
+frustum[i][0] /= t; \
+frustum[i][1] /= t; \
+frustum[i][2] /= t; \
+frustum[i][3] /= t
+
+void gld_FrustrumSetup(void)
+{
+	float t;
+	float clip[16];
+
+	pglGetDoublev(GL_PROJECTION_MATRIX, projMatrix);
+	pglGetDoublev(GL_MODELVIEW_MATRIX, viewMatrix);
+
+	clip[0]  = CALCMATRIX(0, 0, 1, 4, 2, 8, 3, 12);
+	clip[1]  = CALCMATRIX(0, 1, 1, 5, 2, 9, 3, 13);
+	clip[2]  = CALCMATRIX(0, 2, 1, 6, 2, 10, 3, 14);
+	clip[3]  = CALCMATRIX(0, 3, 1, 7, 2, 11, 3, 15);
+
+	clip[4]  = CALCMATRIX(4, 0, 5, 4, 6, 8, 7, 12);
+	clip[5]  = CALCMATRIX(4, 1, 5, 5, 6, 9, 7, 13);
+	clip[6]  = CALCMATRIX(4, 2, 5, 6, 6, 10, 7, 14);
+	clip[7]  = CALCMATRIX(4, 3, 5, 7, 6, 11, 7, 15);
+
+	clip[8]  = CALCMATRIX(8, 0, 9, 4, 10, 8, 11, 12);
+	clip[9]  = CALCMATRIX(8, 1, 9, 5, 10, 9, 11, 13);
+	clip[10] = CALCMATRIX(8, 2, 9, 6, 10, 10, 11, 14);
+	clip[11] = CALCMATRIX(8, 3, 9, 7, 10, 11, 11, 15);
+
+	clip[12] = CALCMATRIX(12, 0, 13, 4, 14, 8, 15, 12);
+	clip[13] = CALCMATRIX(12, 1, 13, 5, 14, 9, 15, 13);
+	clip[14] = CALCMATRIX(12, 2, 13, 6, 14, 10, 15, 14);
+	clip[15] = CALCMATRIX(12, 3, 13, 7, 14, 11, 15, 15);
+
+	// Right plane
+	frustum[0][0] = clip[ 3] - clip[ 0];
+	frustum[0][1] = clip[ 7] - clip[ 4];
+	frustum[0][2] = clip[11] - clip[ 8];
+	frustum[0][3] = clip[15] - clip[12];
+	NORMALIZE_PLANE(0);
+
+	// Left plane
+	frustum[1][0] = clip[ 3] + clip[ 0];
+	frustum[1][1] = clip[ 7] + clip[ 4];
+	frustum[1][2] = clip[11] + clip[ 8];
+	frustum[1][3] = clip[15] + clip[12];
+	NORMALIZE_PLANE(1);
+
+	// Bottom plane
+	frustum[2][0] = clip[ 3] + clip[ 1];
+	frustum[2][1] = clip[ 7] + clip[ 5];
+	frustum[2][2] = clip[11] + clip[ 9];
+	frustum[2][3] = clip[15] + clip[13];
+	NORMALIZE_PLANE(2);
+
+	// Top plane
+	frustum[3][0] = clip[ 3] - clip[ 1];
+	frustum[3][1] = clip[ 7] - clip[ 5];
+	frustum[3][2] = clip[11] - clip[ 9];
+	frustum[3][3] = clip[15] - clip[13];
+	NORMALIZE_PLANE(3);
+
+	// Far plane
+	frustum[4][0] = clip[ 3] - clip[ 2];
+	frustum[4][1] = clip[ 7] - clip[ 6];
+	frustum[4][2] = clip[11] - clip[10];
+	frustum[4][3] = clip[15] - clip[14];
+	NORMALIZE_PLANE(4);
+
+	// Near plane
+	frustum[5][0] = clip[ 3] + clip[ 2];
+	frustum[5][1] = clip[ 7] + clip[ 6];
+	frustum[5][2] = clip[11] + clip[10];
+	frustum[5][3] = clip[15] + clip[14];
+	NORMALIZE_PLANE(5);
+}
+
+boolean gld_SphereInFrustum(float x, float y, float z, float radius)
+{
+	int p;
+
+	for (p = 0; p < 4; p++)
+	{
+		if (frustum[p][0] * x +
+			frustum[p][1] * y +
+			frustum[p][2] * z +
+			frustum[p][3] <= -radius)
+		{
+			return false;
+		}
+	}
+	return true;
+}
+#endif
diff --git a/src/hardware/hw_clip.h b/src/hardware/hw_clip.h
new file mode 100644
index 0000000000000000000000000000000000000000..3ba26e5e56f3dc053adc068078dc11859e8a86df
--- /dev/null
+++ b/src/hardware/hw_clip.h
@@ -0,0 +1,24 @@
+/*
+ *  hw_clip.h
+ *  SRB2CB
+ *
+ *  PrBoom's OpenGL clipping
+ *
+ *
+ */
+
+// OpenGL BSP clipping
+#include "../doomdef.h"
+#include "../tables.h"
+#include "../doomtype.h"
+
+//#define HAVE_SPHEREFRUSTRUM // enable if you want gld_SphereInFrustum and related code
+
+boolean gld_clipper_SafeCheckRange(angle_t startAngle, angle_t endAngle);
+void gld_clipper_SafeAddClipRange(angle_t startangle, angle_t endangle);
+void gld_clipper_Clear(void);
+angle_t gld_FrustumAngle(void);
+#ifdef HAVE_SPHEREFRUSTRUM
+void gld_FrustrumSetup(void);
+boolean gld_SphereInFrustum(float x, float y, float z, float radius);
+#endif
diff --git a/src/hardware/hw_data.h b/src/hardware/hw_data.h
index d76fcc1c8b5f7be822d285a78ec09bc981859f99..4bbc578ed9da7530e67b4234c96e68802325402f 100644
--- a/src/hardware/hw_data.h
+++ b/src/hardware/hw_data.h
@@ -26,10 +26,6 @@
 #include <windows.h>
 #endif
 
-#if defined (VID_X11) && !defined (HAVE_SDL)
-#include <GL/glx.h>
-#endif
-
 #include "../doomdef.h"
 //THIS MUST DISAPPEAR!!!
 #include "hw_glide.h"
diff --git a/src/hardware/hw_draw.c b/src/hardware/hw_draw.c
index 84081dd25f6b906dfa8b56b7a6b914b9230fcdc5..75523f3d2cfd5efceab6e46a85527f4d332b5c55 100644
--- a/src/hardware/hw_draw.c
+++ b/src/hardware/hw_draw.c
@@ -112,10 +112,10 @@ void HWR_DrawPatch(GLPatch_t *gpatch, INT32 x, INT32 y, INT32 option)
 	if (option & V_NOSCALESTART)
 		sdupx = sdupy = 2.0f;
 
-	v[0].x = v[3].x = (x*sdupx-gpatch->leftoffset*pdupx)/vid.width - 1;
-	v[2].x = v[1].x = (x*sdupx+(gpatch->width-gpatch->leftoffset)*pdupx)/vid.width - 1;
-	v[0].y = v[1].y = 1-(y*sdupy-gpatch->topoffset*pdupy)/vid.height;
-	v[2].y = v[3].y = 1-(y*sdupy+(gpatch->height-gpatch->topoffset)*pdupy)/vid.height;
+	v[0].x = v[3].x = (x*sdupx-SHORT(gpatch->leftoffset)*pdupx)/vid.width - 1;
+	v[2].x = v[1].x = (x*sdupx+(SHORT(gpatch->width)-SHORT(gpatch->leftoffset))*pdupx)/vid.width - 1;
+	v[0].y = v[1].y = 1-(y*sdupy-SHORT(gpatch->topoffset)*pdupy)/vid.height;
+	v[2].y = v[3].y = 1-(y*sdupy+(SHORT(gpatch->height)-SHORT(gpatch->topoffset))*pdupy)/vid.height;
 
 	v[0].z = v[1].z = v[2].z = v[3].z = 1.0f;
 
@@ -179,18 +179,29 @@ void HWR_DrawFixedPatch(GLPatch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscale,
 	dupx = dupy = (dupx < dupy ? dupx : dupy);
 	fscale = FIXED_TO_FLOAT(pscale);
 
-	if (option & V_OFFSET)
+	// See my comments in v_video.c's V_DrawFixedPatch
+	// -- Monster Iestyn 29/10/18
 	{
-		cx -= (float)gpatch->leftoffset * dupx * fscale;
-		cy -= (float)gpatch->topoffset * dupy * fscale;
-	}
-	else
-	{
-		cy -= (float)gpatch->topoffset * fscale;
+		float offsetx = 0.0f, offsety = 0.0f;
+
+		// left offset
 		if (option & V_FLIP)
-			cx -= ((float)gpatch->width - (float)gpatch->leftoffset) * fscale;
+			offsetx = (float)(SHORT(gpatch->width) - SHORT(gpatch->leftoffset)) * fscale;
 		else
-			cx -= (float)gpatch->leftoffset * fscale;
+			offsetx = (float)SHORT(gpatch->leftoffset) * fscale;
+
+		// top offset
+		// TODO: make some kind of vertical version of V_FLIP, maybe by deprecating V_OFFSET in future?!?
+		offsety = (float)SHORT(gpatch->topoffset) * fscale;
+
+		if ((option & (V_NOSCALESTART|V_OFFSET)) == (V_NOSCALESTART|V_OFFSET)) // Multiply by dupx/dupy for crosshairs
+		{
+			offsetx *= dupx;
+			offsety *= dupy;
+		}
+
+		cx -= offsetx;
+		cy -= offsety;
 	}
 
 	if (option & V_SPLITSCREEN)
@@ -216,14 +227,14 @@ void HWR_DrawFixedPatch(GLPatch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscale,
 				Z_Free(realpatch);
 			}
 			// centre screen
-			if (vid.width != BASEVIDWIDTH * vid.dupx)
+			if ((float)vid.width != (float)BASEVIDWIDTH * dupx)
 			{
 				if (option & V_SNAPTORIGHT)
 					cx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx));
 				else if (!(option & V_SNAPTOLEFT))
 					cx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx))/2;
 			}
-			if (vid.height != BASEVIDHEIGHT * vid.dupy)
+			if ((float)vid.height != (float)BASEVIDHEIGHT * dupy)
 			{
 				if ((option & (V_SPLITSCREEN|V_SNAPTOBOTTOM)) == (V_SPLITSCREEN|V_SNAPTOBOTTOM))
 					cy += ((float)vid.height/2 - ((float)BASEVIDHEIGHT/2 * dupy));
@@ -237,13 +248,13 @@ void HWR_DrawFixedPatch(GLPatch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscale,
 
 	if (pscale != FRACUNIT)
 	{
-		fwidth = (float)gpatch->width * fscale * dupx;
-		fheight = (float)gpatch->height * fscale * dupy;
+		fwidth = (float)SHORT(gpatch->width) * fscale * dupx;
+		fheight = (float)SHORT(gpatch->height) * fscale * dupy;
 	}
 	else
 	{
-		fwidth = (float)gpatch->width * dupx;
-		fheight = (float)gpatch->height * dupy;
+		fwidth = (float)SHORT(gpatch->width) * dupx;
+		fheight = (float)SHORT(gpatch->height) * dupy;
 	}
 
 	// positions of the cx, cy, are between 0 and vid.width/vid.height now, we need them to be between -1 and 1
@@ -341,8 +352,8 @@ void HWR_DrawCroppedPatch(GLPatch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscal
 	dupx = dupy = (dupx < dupy ? dupx : dupy);
 	fscale = FIXED_TO_FLOAT(pscale);
 
-	cy -= (float)gpatch->topoffset * fscale;
-	cx -= (float)gpatch->leftoffset * fscale;
+	cy -= (float)SHORT(gpatch->topoffset) * fscale;
+	cx -= (float)SHORT(gpatch->leftoffset) * fscale;
 
 	if (!(option & V_NOSCALESTART))
 	{
@@ -364,14 +375,14 @@ void HWR_DrawCroppedPatch(GLPatch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscal
 				Z_Free(realpatch);
 			}
 			// centre screen
-			if (vid.width != BASEVIDWIDTH * vid.dupx)
+			if ((float)vid.width != (float)BASEVIDWIDTH * dupx)
 			{
 				if (option & V_SNAPTORIGHT)
 					cx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx));
 				else if (!(option & V_SNAPTOLEFT))
 					cx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx))/2;
 			}
-			if (vid.height != BASEVIDHEIGHT * vid.dupy)
+			if ((float)vid.height != (float)BASEVIDHEIGHT * dupy)
 			{
 				if ((option & (V_SPLITSCREEN|V_SNAPTOBOTTOM)) == (V_SPLITSCREEN|V_SNAPTOBOTTOM))
 					cy += ((float)vid.height/2 - ((float)BASEVIDHEIGHT/2 * dupy));
@@ -392,11 +403,11 @@ void HWR_DrawCroppedPatch(GLPatch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscal
 	if (fheight > h - sy)
 		fheight = h - sy;
 
-	if (fwidth > gpatch->width)
-		fwidth = gpatch->width;
+	if (fwidth > SHORT(gpatch->width))
+		fwidth = SHORT(gpatch->width);
 
-	if (fheight > gpatch->height)
-		fheight = gpatch->height;
+	if (fheight > SHORT(gpatch->height))
+		fheight = SHORT(gpatch->height);
 
 	if (pscale != FRACUNIT)
 	{
@@ -426,10 +437,10 @@ void HWR_DrawCroppedPatch(GLPatch_t *gpatch, fixed_t x, fixed_t y, fixed_t pscal
 
 	v[0].z = v[1].z = v[2].z = v[3].z = 1.0f;
 
-	v[0].sow = v[3].sow = ((sx)/(float)gpatch->width )*gpatch->max_s;
-	v[2].sow = v[1].sow = ((w )/(float)gpatch->width )*gpatch->max_s;
-	v[0].tow = v[1].tow = ((sy)/(float)gpatch->height)*gpatch->max_t;
-	v[2].tow = v[3].tow = ((h )/(float)gpatch->height)*gpatch->max_t;
+	v[0].sow = v[3].sow = ((sx)/(float)SHORT(gpatch->width) )*gpatch->max_s;
+	v[2].sow = v[1].sow = ((w )/(float)SHORT(gpatch->width) )*gpatch->max_s;
+	v[0].tow = v[1].tow = ((sy)/(float)SHORT(gpatch->height))*gpatch->max_t;
+	v[2].tow = v[3].tow = ((h )/(float)SHORT(gpatch->height))*gpatch->max_t;
 
 	flags = BLENDMODE|PF_Clip|PF_NoZClip|PF_NoDepthTest;
 
@@ -835,14 +846,14 @@ void HWR_DrawFill(INT32 x, INT32 y, INT32 w, INT32 h, INT32 color)
 		fw *= dupx;
 		fh *= dupy;
 
-		if (vid.width != BASEVIDWIDTH * vid.dupx)
+		if ((float)vid.width != (float)BASEVIDWIDTH * dupx)
 		{
 			if (color & V_SNAPTORIGHT)
 				fx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx));
 			else if (!(color & V_SNAPTOLEFT))
 				fx += ((float)vid.width - ((float)BASEVIDWIDTH * dupx)) / 2;
 		}
-		if (vid.height != BASEVIDHEIGHT * dupy)
+		if ((float)vid.height != (float)BASEVIDHEIGHT * dupy)
 		{
 			// same thing here
 			if (color & V_SNAPTOBOTTOM)
diff --git a/src/hardware/hw_drv.h b/src/hardware/hw_drv.h
index a5ac82001084f5bf755c6025b1bbcfdccb40432d..e2fa90eb035de94d0b5ad7d81de624ed0fbe4341 100644
--- a/src/hardware/hw_drv.h
+++ b/src/hardware/hw_drv.h
@@ -32,10 +32,6 @@
 //                                                       STANDARD DLL EXPORTS
 // ==========================================================================
 
-#ifdef HAVE_SDL
-#undef VID_X11
-#endif
-
 EXPORT boolean HWRAPI(Init) (I_Error_t ErrorFunction);
 #ifndef HAVE_SDL
 EXPORT void HWRAPI(Shutdown) (void);
@@ -43,9 +39,6 @@ EXPORT void HWRAPI(Shutdown) (void);
 #ifdef _WINDOWS
 EXPORT void HWRAPI(GetModeList) (vmode_t **pvidmodes, INT32 *numvidmodes);
 #endif
-#ifdef VID_X11
-EXPORT Window HWRAPI(HookXwin) (Display *, INT32, INT32, boolean);
-#endif
 #if defined (PURESDL) || defined (macintosh)
 EXPORT void HWRAPI(SetPalette) (INT32 *, RGBA_t *gamma);
 #else
@@ -71,10 +64,6 @@ EXPORT void HWRAPI(SetTransform) (FTransform *ptransform);
 EXPORT INT32 HWRAPI(GetTextureUsed) (void);
 EXPORT INT32 HWRAPI(GetRenderVersion) (void);
 
-#ifdef VID_X11 // ifdef to be removed as soon as windoze supports that as well
-// metzgermeister: added for Voodoo detection
-EXPORT char *HWRAPI(GetRenderer) (void);
-#endif
 #ifdef SHUFFLE
 #define SCREENVERTS 10
 EXPORT void HWRAPI(PostImgRedraw) (float points[SCREENVERTS][SCREENVERTS][2]);
@@ -115,10 +104,6 @@ struct hwdriver_s
 #ifdef _WINDOWS
 	GetModeList         pfnGetModeList;
 #endif
-#ifdef VID_X11
-	HookXwin            pfnHookXwin;
-	GetRenderer         pfnGetRenderer;
-#endif
 #ifndef HAVE_SDL
 	Shutdown            pfnShutdown;
 #endif
diff --git a/src/hardware/hw_glob.h b/src/hardware/hw_glob.h
index fea06caffa4cb1b218e41b3d53694d5714dab7ec..bdf21946468b687344318c1ae84185c6f2df7d18 100644
--- a/src/hardware/hw_glob.h
+++ b/src/hardware/hw_glob.h
@@ -27,6 +27,9 @@
 // the original aspect ratio of Doom graphics isn't square
 #define ORIGINAL_ASPECT (320.0f/200.0f)
 
+// Uncomment this to enable the OpenGL loading screen
+//#define HWR_LOADING_SCREEN
+
 // -----------
 // structures
 // -----------
diff --git a/src/hardware/hw_main.c b/src/hardware/hw_main.c
index d7c73415ab2de8d431d422a86f03f5bb4f398239..fb5e2a71639c8caf154930511b8dcf3e4914a805 100644
--- a/src/hardware/hw_main.c
+++ b/src/hardware/hw_main.c
@@ -44,6 +44,10 @@
 #endif
 #include "hw_md2.h"
 
+#ifdef NEWCLIP
+#include "hw_clip.h"
+#endif
+
 #define R_FAKEFLOORS
 #define HWPRECIP
 #define SORTING
@@ -99,8 +103,9 @@ CV_PossibleValue_t granisotropicmode_cons_t[] = {{1, "MIN"}, {16, "MAX"}, {0, NU
 boolean drawsky = true;
 
 // needs fix: walls are incorrectly clipped one column less
+#ifndef NEWCLIP
 static consvar_t cv_grclipwalls = {"gr_clipwalls", "Off", 0, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
-
+#endif
 //development variables for diverse uses
 static consvar_t cv_gralpha = {"gr_alpha", "160", 0, CV_Unsigned, NULL, 0, NULL, NULL, 0, 0, NULL};
 static consvar_t cv_grbeta = {"gr_beta", "0", 0, CV_Unsigned, NULL, 0, NULL, NULL, 0, 0, NULL};
@@ -323,9 +328,6 @@ static angle_t gr_xtoviewangle[MAXVIDWIDTH+1];
 // test change fov when looking up/down but bsp projection messup :(
 //#define NOCRAPPYMLOOK
 
-/// \note crappy
-#define drawtextured true
-
 // base values set at SetViewSize
 static float gr_basecentery;
 
@@ -856,11 +858,11 @@ static void HWR_DrawSegsSplats(FSurfaceInfo * pSurf)
 
 	M_ClearBox(segbbox);
 	M_AddToBox(segbbox,
-		FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->v1)->x),
-		FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->v1)->y));
+		FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->pv1)->x),
+		FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->pv1)->y));
 	M_AddToBox(segbbox,
-		FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->v2)->x),
-		FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->v2)->y));
+		FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->pv2)->x),
+		FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->pv2)->y));
 
 	splat = (wallsplat_t *)gr_curline->linedef->splats;
 	for (; splat; splat = splat->next)
@@ -1033,6 +1035,7 @@ static void HWR_ProjectWall(wallVert3D   * wallVerts,
 // (in fact a clipping plane that has a constant, so can clip with simple 2d)
 // with the wall segment
 //
+#ifndef NEWCLIP
 static float HWR_ClipViewSegment(INT32 x, polyvertex_t *v1, polyvertex_t *v2)
 {
 	float num, den;
@@ -1061,11 +1064,12 @@ static float HWR_ClipViewSegment(INT32 x, polyvertex_t *v1, polyvertex_t *v2)
 
 	return num / den;
 }
+#endif
 
 //
 // HWR_SplitWall
 //
-static void HWR_SplitWall(sector_t *sector, wallVert3D *wallVerts, INT32 texnum, FSurfaceInfo* Surf, UINT32 cutflag, ffloor_t *pfloor)
+static void HWR_SplitWall(sector_t *sector, wallVert3D *wallVerts, INT32 texnum, FSurfaceInfo* Surf, INT32 cutflag, ffloor_t *pfloor)
 {
 	/* SoM: split up and light walls according to the
 	 lightlist. This may also include leaving out parts
@@ -1336,7 +1340,11 @@ static void HWR_DrawSkyWall(wallVert3D *wallVerts, FSurfaceInfo *Surf, fixed_t b
 // Anything between means the wall segment has been clipped with solidsegs,
 //  reducing wall overdraw to a minimum
 //
+#ifdef NEWCLIP
+static void HWR_ProcessSeg(void) // Sort of like GLWall::Process in GZDoom
+#else
 static void HWR_StoreWallRange(double startfrac, double endfrac)
+#endif
 {
 	wallVert3D wallVerts[4];
 	v2d_t vs, ve; // start, end vertices of 2d line (view from above)
@@ -1361,16 +1369,18 @@ static void HWR_StoreWallRange(double startfrac, double endfrac)
 	extracolormap_t *colormap;
 	FSurfaceInfo Surf;
 
+#ifndef NEWCLIP
 	if (startfrac > endfrac)
 		return;
+#endif
 
 	gr_sidedef = gr_curline->sidedef;
 	gr_linedef = gr_curline->linedef;
 
-	vs.x = ((polyvertex_t *)gr_curline->v1)->x;
-	vs.y = ((polyvertex_t *)gr_curline->v1)->y;
-	ve.x = ((polyvertex_t *)gr_curline->v2)->x;
-	ve.y = ((polyvertex_t *)gr_curline->v2)->y;
+	vs.x = ((polyvertex_t *)gr_curline->pv1)->x;
+	vs.y = ((polyvertex_t *)gr_curline->pv1)->y;
+	ve.x = ((polyvertex_t *)gr_curline->pv2)->x;
+	ve.y = ((polyvertex_t *)gr_curline->pv2)->y;
 
 #ifdef ESLOPE
 	v1x = FLOAT_TO_FIXED(vs.x);
@@ -1378,44 +1388,21 @@ static void HWR_StoreWallRange(double startfrac, double endfrac)
 	v2x = FLOAT_TO_FIXED(ve.x);
 	v2y = FLOAT_TO_FIXED(ve.y);
 #endif
-
-	if (gr_frontsector->heightsec != -1)
-	{
 #ifdef ESLOPE
-		worldtop = worldtopslope = sectors[gr_frontsector->heightsec].ceilingheight;
-		worldbottom = worldbottomslope = sectors[gr_frontsector->heightsec].floorheight;
-#else
-		worldtop = sectors[gr_frontsector->heightsec].ceilingheight;
-		worldbottom = sectors[gr_frontsector->heightsec].floorheight;
-#endif
-	}
-	else
-	{
-#ifdef ESLOPE
-		if (gr_frontsector->c_slope)
-		{
-			worldtop      = P_GetZAt(gr_frontsector->c_slope, v1x, v1y);
-			worldtopslope = P_GetZAt(gr_frontsector->c_slope, v2x, v2y);
-		}
-		else
-		{
-			worldtop = worldtopslope = gr_frontsector->ceilingheight;
-		}
 
-		if (gr_frontsector->f_slope)
-		{
-			worldbottom      = P_GetZAt(gr_frontsector->f_slope, v1x, v1y);
-			worldbottomslope = P_GetZAt(gr_frontsector->f_slope, v2x, v2y);
-		}
-		else
-		{
-			worldbottom = worldbottomslope = gr_frontsector->floorheight;
-		}
+#define SLOPEPARAMS(slope, end1, end2, normalheight) \
+	if (slope) { \
+		end1 = P_GetZAt(slope, v1x, v1y); \
+		end2 = P_GetZAt(slope, v2x, v2y); \
+	} else \
+		end1 = end2 = normalheight;
+
+	SLOPEPARAMS(gr_frontsector->c_slope, worldtop,    worldtopslope,    gr_frontsector->ceilingheight)
+	SLOPEPARAMS(gr_frontsector->f_slope, worldbottom, worldbottomslope, gr_frontsector->floorheight)
 #else
-		worldtop    = gr_frontsector->ceilingheight;
-		worldbottom = gr_frontsector->floorheight;
+	worldtop    = gr_frontsector->ceilingheight;
+	worldbottom = gr_frontsector->floorheight;
 #endif
-	}
 
 	// remember vertices ordering
 	//  3--2
@@ -1430,20 +1417,23 @@ static void HWR_StoreWallRange(double startfrac, double endfrac)
 	wallVerts[2].z = wallVerts[1].z = ve.y;
 	wallVerts[0].w = wallVerts[1].w = wallVerts[2].w = wallVerts[3].w = 1.0f;
 
-	if (drawtextured)
 	{
 		// x offset the texture
 		fixed_t texturehpeg = gr_sidedef->textureoffset + gr_curline->offset;
 
+#ifndef NEWCLIP
 		// clip texture s start/end coords with solidsegs
 		if (startfrac > 0.0f && startfrac < 1.0f)
 			cliplow = (float)(texturehpeg + (gr_curline->flength*FRACUNIT) * startfrac);
 		else
+#endif
 			cliplow = (float)texturehpeg;
 
+#ifndef NEWCLIP
 		if (endfrac > 0.0f && endfrac < 1.0f)
 			cliphigh = (float)(texturehpeg + (gr_curline->flength*FRACUNIT) * endfrac);
 		else
+#endif
 			cliphigh = (float)(texturehpeg + (gr_curline->flength*FRACUNIT));
 	}
 
@@ -1459,43 +1449,15 @@ static void HWR_StoreWallRange(double startfrac, double endfrac)
 	{
 		INT32 gr_toptexture, gr_bottomtexture;
 		// two sided line
-		if (gr_backsector->heightsec != -1)
-		{
-#ifdef ESLOPE
-			worldhigh = worldhighslope = sectors[gr_backsector->heightsec].ceilingheight;
-			worldlow = worldlowslope = sectors[gr_backsector->heightsec].floorheight;
-#else
-			worldhigh = sectors[gr_backsector->heightsec].ceilingheight;
-			worldlow = sectors[gr_backsector->heightsec].floorheight;
-#endif
-		}
-		else
-		{
-#ifdef ESLOPE
-			if (gr_backsector->c_slope)
-			{
-				worldhigh      = P_GetZAt(gr_backsector->c_slope, v1x, v1y);
-				worldhighslope = P_GetZAt(gr_backsector->c_slope, v2x, v2y);
-			}
-			else
-			{
-				worldhigh = worldhighslope = gr_backsector->ceilingheight;
-			}
 
-			if (gr_backsector->f_slope)
-			{
-				worldlow      = P_GetZAt(gr_backsector->f_slope, v1x, v1y);
-				worldlowslope = P_GetZAt(gr_backsector->f_slope, v2x, v2y);
-			}
-			else
-			{
-				worldlow = worldlowslope = gr_backsector->floorheight;
-			}
+#ifdef ESLOPE
+		SLOPEPARAMS(gr_backsector->c_slope, worldhigh, worldhighslope, gr_backsector->ceilingheight)
+		SLOPEPARAMS(gr_backsector->f_slope, worldlow,  worldlowslope,  gr_backsector->floorheight)
+#undef SLOPEPARAMS
 #else
-			worldhigh = gr_backsector->ceilingheight;
-			worldlow  = gr_backsector->floorheight;
+		worldhigh = gr_backsector->ceilingheight;
+		worldlow  = gr_backsector->floorheight;
 #endif
-		}
 
 		// hack to allow height changes in outdoor areas
 		// This is what gets rid of the upper textures if there should be sky
@@ -1519,7 +1481,6 @@ static void HWR_StoreWallRange(double startfrac, double endfrac)
             worldhigh < worldtop
             ) && gr_toptexture)
 		{
-			if (drawtextured)
 			{
 				fixed_t texturevpegtop; // top
 
@@ -1600,7 +1561,6 @@ static void HWR_StoreWallRange(double startfrac, double endfrac)
 #endif
             worldlow > worldbottom) && gr_bottomtexture) //only if VISIBLE!!!
 		{
-			if (drawtextured)
 			{
 				fixed_t texturevpegbottom = 0; // bottom
 
@@ -1792,7 +1752,6 @@ static void HWR_StoreWallRange(double startfrac, double endfrac)
 			h = min(highcut, polytop);
 			l = max(polybottom, lowcut);
 
-			if (drawtextured)
 			{
 				// PEGGING
 #ifdef ESLOPE
@@ -1848,7 +1807,6 @@ static void HWR_StoreWallRange(double startfrac, double endfrac)
 				h = min(highcut, polytop);
 				l = max(polybottom, lowcut);
 
-				if (drawtextured)
 				{
 					// PEGGING
 					if (!!(gr_linedef->flags & ML_DONTPEGBOTTOM) ^ !!(gr_linedef->flags & ML_EFFECT3))
@@ -2039,7 +1997,6 @@ static void HWR_StoreWallRange(double startfrac, double endfrac)
 		gr_midtexture = R_GetTextureNum(gr_sidedef->midtexture);
 		if (gr_midtexture)
 		{
-			if (drawtextured)
 			{
 				fixed_t     texturevpeg;
 				// PEGGING
@@ -2180,9 +2137,13 @@ static void HWR_StoreWallRange(double startfrac, double endfrac)
 					wallVerts[0].s = wallVerts[3].s = 0;
 					wallVerts[2].s = wallVerts[1].s = 0;
 				}
-				else if (drawtextured)
+				else
 				{
 					fixed_t texturevpeg;
+					boolean attachtobottom = false;
+#ifdef ESLOPE
+					boolean slopeskew = false; // skew FOF walls with slopes?
+#endif
 
 					// Wow, how was this missing from OpenGL for so long?
 					// ...Oh well, anyway, Lower Unpegged now changes pegging of FOFs like in software
@@ -2190,24 +2151,50 @@ static void HWR_StoreWallRange(double startfrac, double endfrac)
 					if (newline)
 					{
 						texturevpeg = sides[newline->sidenum[0]].rowoffset;
-						if (newline->flags & ML_DONTPEGBOTTOM)
-							texturevpeg -= *rover->topheight - *rover->bottomheight;
+						attachtobottom = !!(newline->flags & ML_DONTPEGBOTTOM);
+#ifdef ESLOPE
+						slopeskew = !!(newline->flags & ML_DONTPEGTOP);
+#endif
 					}
 					else
 					{
 						texturevpeg = sides[rover->master->sidenum[0]].rowoffset;
-						if (gr_linedef->flags & ML_DONTPEGBOTTOM)
-							texturevpeg -= *rover->topheight - *rover->bottomheight;
+						attachtobottom = !!(gr_linedef->flags & ML_DONTPEGBOTTOM);
+#ifdef ESLOPE
+						slopeskew = !!(rover->master->flags & ML_DONTPEGTOP);
+#endif
 					}
 
 					grTex = HWR_GetTexture(texnum);
 
 #ifdef ESLOPE
-					wallVerts[3].t = (*rover->topheight - h + texturevpeg) * grTex->scaleY;
-					wallVerts[2].t = (*rover->topheight - hS + texturevpeg) * grTex->scaleY;
-					wallVerts[0].t = (*rover->topheight - l + texturevpeg) * grTex->scaleY;
-					wallVerts[1].t = (*rover->topheight - lS + texturevpeg) * grTex->scaleY;
+					if (!slopeskew) // no skewing
+					{
+						if (attachtobottom)
+							texturevpeg -= *rover->topheight - *rover->bottomheight;
+						wallVerts[3].t = (*rover->topheight - h + texturevpeg) * grTex->scaleY;
+						wallVerts[2].t = (*rover->topheight - hS + texturevpeg) * grTex->scaleY;
+						wallVerts[0].t = (*rover->topheight - l + texturevpeg) * grTex->scaleY;
+						wallVerts[1].t = (*rover->topheight - lS + texturevpeg) * grTex->scaleY;
+					}
+					else
+					{
+						if (!attachtobottom) // skew by top
+						{
+							wallVerts[3].t = wallVerts[2].t = texturevpeg * grTex->scaleY;
+							wallVerts[0].t = (h - l + texturevpeg) * grTex->scaleY;
+							wallVerts[1].t = (hS - lS + texturevpeg) * grTex->scaleY;
+						}
+						else // skew by bottom
+						{
+							wallVerts[0].t = wallVerts[1].t = texturevpeg * grTex->scaleY;
+							wallVerts[3].t = wallVerts[0].t - (h - l) * grTex->scaleY;
+							wallVerts[2].t = wallVerts[1].t - (hS - lS) * grTex->scaleY;
+						}
+					}
 #else
+					if (attachtobottom)
+						texturevpeg -= *rover->topheight - *rover->bottomheight;
 					wallVerts[3].t = wallVerts[2].t = (*rover->topheight - h + texturevpeg) * grTex->scaleY;
 					wallVerts[0].t = wallVerts[1].t = (*rover->topheight - l + texturevpeg) * grTex->scaleY;
 #endif
@@ -2316,7 +2303,7 @@ static void HWR_StoreWallRange(double startfrac, double endfrac)
 					wallVerts[0].s = wallVerts[3].s = 0;
 					wallVerts[2].s = wallVerts[1].s = 0;
 				}
-				else if (drawtextured)
+				else
 				{
 					grTex = HWR_GetTexture(texnum);
 
@@ -2385,6 +2372,110 @@ static void HWR_StoreWallRange(double startfrac, double endfrac)
 //Hurdler: end of 3d-floors test
 }
 
+// From PrBoom:
+//
+// e6y: Check whether the player can look beyond this line
+//
+#ifdef NEWCLIP
+boolean checkforemptylines = true;
+// Don't modify anything here, just check
+// Kalaron: Modified for sloped linedefs
+static boolean CheckClip(seg_t * seg, sector_t * afrontsector, sector_t * abacksector)
+{
+	fixed_t frontf1,frontf2, frontc1, frontc2; // front floor/ceiling ends
+	fixed_t backf1, backf2, backc1, backc2; // back floor ceiling ends
+
+	// GZDoom method of sloped line clipping
+
+#ifdef ESLOPE
+	if (afrontsector->f_slope || afrontsector->c_slope || abacksector->f_slope || abacksector->c_slope)
+	{
+		fixed_t v1x, v1y, v2x, v2y; // the seg's vertexes as fixed_t
+		v1x = FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->pv1)->x);
+		v1y = FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->pv1)->y);
+		v2x = FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->pv2)->x);
+		v2y = FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->pv2)->y);
+#define SLOPEPARAMS(slope, end1, end2, normalheight) \
+		if (slope) { \
+			end1 = P_GetZAt(slope, v1x, v1y); \
+			end2 = P_GetZAt(slope, v2x, v2y); \
+		} else \
+			end1 = end2 = normalheight;
+
+		SLOPEPARAMS(afrontsector->f_slope, frontf1, frontf2, afrontsector->floorheight)
+		SLOPEPARAMS(afrontsector->c_slope, frontc1, frontc2, afrontsector->ceilingheight)
+		SLOPEPARAMS( abacksector->f_slope, backf1,  backf2,  abacksector->floorheight)
+		SLOPEPARAMS( abacksector->c_slope, backc1,  backc2,  abacksector->ceilingheight)
+#undef SLOPEPARAMS
+	}
+	else
+#endif
+	{
+		frontf1 = frontf2 = afrontsector->floorheight;
+		frontc1 = frontc2 = afrontsector->ceilingheight;
+		backf1 = backf2 = abacksector->floorheight;
+		backc1 = backc2 = abacksector->ceilingheight;
+	}
+
+	// now check for closed sectors!
+	if (backc1 <= frontf1 && backc2 <= frontf2)
+	{
+		checkforemptylines = false;
+		if (!seg->sidedef->toptexture)
+			return false;
+
+		if (abacksector->ceilingpic == skyflatnum && afrontsector->ceilingpic == skyflatnum)
+			return false;
+
+		return true;
+	}
+
+	if (backf1 >= frontc1 && backf2 >= frontc2)
+	{
+		checkforemptylines = false;
+		if (!seg->sidedef->bottomtexture)
+			return false;
+
+		// properly render skies (consider door "open" if both floors are sky):
+		if (abacksector->ceilingpic == skyflatnum && afrontsector->ceilingpic == skyflatnum)
+			return false;
+
+		return true;
+	}
+
+	if (backc1 <= backf1 && backc2 <= backf2)
+	{
+		checkforemptylines = false;
+		// preserve a kind of transparent door/lift special effect:
+		if (backc1 < frontc1 || backc2 < frontc2)
+		{
+			if (!seg->sidedef->toptexture)
+				return false;
+		}
+		if (backf1 > frontf1 || backf2 > frontf2)
+		{
+			if (!seg->sidedef->bottomtexture)
+				return false;
+		}
+		if (abacksector->ceilingpic == skyflatnum && afrontsector->ceilingpic == skyflatnum)
+			return false;
+
+		if (abacksector->floorpic == skyflatnum && afrontsector->floorpic == skyflatnum)
+			return false;
+
+		return true;
+	}
+
+	if (backc1 != frontc1 || backc2 != frontc2
+		|| backf1 != frontf1 || backf2 != frontf2)
+		{
+			checkforemptylines = false;
+			return false;
+		}
+
+	return false;
+}
+#else
 //Hurdler: just like in r_bsp.c
 #if 1
 #define MAXSEGS         MAXVIDWIDTH/2+1
@@ -2456,7 +2547,7 @@ static void HWR_ClipSolidWallSegment(INT32 first, INT32 last)
 		}
 		else
 		{
-			highfrac = HWR_ClipViewSegment(start->first+1, (polyvertex_t *)gr_curline->v1, (polyvertex_t *)gr_curline->v2);
+			highfrac = HWR_ClipViewSegment(start->first+1, (polyvertex_t *)gr_curline->pv1, (polyvertex_t *)gr_curline->pv2);
 			HWR_StoreWallRange(0, highfrac);
 		}
 		// Now adjust the clip size.
@@ -2480,8 +2571,8 @@ static void HWR_ClipSolidWallSegment(INT32 first, INT32 last)
 		}
 		else
 		{
-			lowfrac  = HWR_ClipViewSegment(next->last-1, (polyvertex_t *)gr_curline->v1, (polyvertex_t *)gr_curline->v2);
-			highfrac = HWR_ClipViewSegment((next+1)->first+1, (polyvertex_t *)gr_curline->v1, (polyvertex_t *)gr_curline->v2);
+			lowfrac  = HWR_ClipViewSegment(next->last-1, (polyvertex_t *)gr_curline->pv1, (polyvertex_t *)gr_curline->pv2);
+			highfrac = HWR_ClipViewSegment((next+1)->first+1, (polyvertex_t *)gr_curline->pv1, (polyvertex_t *)gr_curline->pv2);
 			HWR_StoreWallRange(lowfrac, highfrac);
 		}
 		next++;
@@ -2515,7 +2606,7 @@ static void HWR_ClipSolidWallSegment(INT32 first, INT32 last)
 		}
 		else
 		{
-			lowfrac  = HWR_ClipViewSegment(next->last-1, (polyvertex_t *)gr_curline->v1, (polyvertex_t *)gr_curline->v2);
+			lowfrac  = HWR_ClipViewSegment(next->last-1, (polyvertex_t *)gr_curline->pv1, (polyvertex_t *)gr_curline->pv2);
 			HWR_StoreWallRange(lowfrac, 1);
 		}
 	}
@@ -2578,8 +2669,8 @@ static void HWR_ClipPassWallSegment(INT32 first, INT32 last)
 		else
 		{
 			highfrac = HWR_ClipViewSegment(min(start->first + 1,
-				start->last), (polyvertex_t *)gr_curline->v1,
-				(polyvertex_t *)gr_curline->v2);
+				start->last), (polyvertex_t *)gr_curline->pv1,
+				(polyvertex_t *)gr_curline->pv2);
 			HWR_StoreWallRange(0, highfrac);
 		}
 	}
@@ -2598,8 +2689,8 @@ static void HWR_ClipPassWallSegment(INT32 first, INT32 last)
 		}
 		else
 		{
-			lowfrac  = HWR_ClipViewSegment(max(start->last-1,start->first), (polyvertex_t *)gr_curline->v1, (polyvertex_t *)gr_curline->v2);
-			highfrac = HWR_ClipViewSegment(min((start+1)->first+1,(start+1)->last), (polyvertex_t *)gr_curline->v1, (polyvertex_t *)gr_curline->v2);
+			lowfrac  = HWR_ClipViewSegment(max(start->last-1,start->first), (polyvertex_t *)gr_curline->pv1, (polyvertex_t *)gr_curline->pv2);
+			highfrac = HWR_ClipViewSegment(min((start+1)->first+1,(start+1)->last), (polyvertex_t *)gr_curline->pv1, (polyvertex_t *)gr_curline->pv2);
 			HWR_StoreWallRange(lowfrac, highfrac);
 		}
 		start++;
@@ -2629,8 +2720,8 @@ static void HWR_ClipPassWallSegment(INT32 first, INT32 last)
 		else
 		{
 			lowfrac = HWR_ClipViewSegment(max(start->last - 1,
-				start->first), (polyvertex_t *)gr_curline->v1,
-				(polyvertex_t *)gr_curline->v2);
+				start->first), (polyvertex_t *)gr_curline->pv1,
+				(polyvertex_t *)gr_curline->pv2);
 			HWR_StoreWallRange(lowfrac, 1);
 		}
 	}
@@ -2670,6 +2761,7 @@ static void HWR_ClearClipSegs(void)
 	gr_solidsegs[1].last = 0x7fffffff;
 	hw_newend = gr_solidsegs+2;
 }
+#endif // NEWCLIP
 
 // -----------------+
 // HWR_AddLine      : Clips the given segment and adds any visible pieces to the line list.
@@ -2678,24 +2770,46 @@ static void HWR_ClearClipSegs(void)
 // -----------------+
 static void HWR_AddLine(seg_t * line)
 {
-	INT32 x1, x2;
 	angle_t angle1, angle2;
+#ifndef NEWCLIP
+	INT32 x1, x2;
 	angle_t span, tspan;
+#endif
 
 	// SoM: Backsector needs to be run through R_FakeFlat
 	static sector_t tempsec;
 
+	fixed_t v1x, v1y, v2x, v2y; // the seg's vertexes as fixed_t
+#ifdef POLYOBJECTS
 	if (line->polyseg && !(line->polyseg->flags & POF_RENDERSIDES))
 		return;
+#endif
 
 	gr_curline = line;
 
+	v1x = FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->pv1)->x);
+	v1y = FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->pv1)->y);
+	v2x = FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->pv2)->x);
+	v2y = FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->pv2)->y);
+
 	// OPTIMIZE: quickly reject orthogonal back sides.
-	angle1 = R_PointToAngle(FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->v1)->x),
-	                        FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->v1)->y));
-	angle2 = R_PointToAngle(FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->v2)->x),
-	                        FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->v2)->y));
+	angle1 = R_PointToAngle(v1x, v1y);
+	angle2 = R_PointToAngle(v2x, v2y);
 
+#ifdef NEWCLIP
+	 // PrBoom: Back side, i.e. backface culling - read: endAngle >= startAngle!
+	if (angle2 - angle1 < ANGLE_180)
+		return;
+
+	// PrBoom: use REAL clipping math YAYYYYYYY!!!
+
+	if (!gld_clipper_SafeCheckRange(angle2, angle1))
+    {
+		return;
+    }
+
+	checkforemptylines = true;
+#else
 	// Clip to view edges.
 	span = angle1 - angle2;
 
@@ -2736,8 +2850,8 @@ static void HWR_AddLine(seg_t * line)
 		float fx1,fx2,fy1,fy2;
 		//BP: test with a better projection than viewangletox[R_PointToAngle(angle)]
 		// do not enable this at release 4 mul and 2 div
-		fx1 = ((polyvertex_t *)(line->v1))->x-gr_viewx;
-		fy1 = ((polyvertex_t *)(line->v1))->y-gr_viewy;
+		fx1 = ((polyvertex_t *)(line->pv1))->x-gr_viewx;
+		fy1 = ((polyvertex_t *)(line->pv1))->y-gr_viewy;
 		fy2 = (fx1 * gr_viewcos + fy1 * gr_viewsin);
 		if (fy2 < 0)
 			// the point is back
@@ -2745,8 +2859,8 @@ static void HWR_AddLine(seg_t * line)
 		else
 			fx1 = gr_windowcenterx + (fx1 * gr_viewsin - fy1 * gr_viewcos) * gr_centerx / fy2;
 
-		fx2 = ((polyvertex_t *)(line->v2))->x-gr_viewx;
-		fy2 = ((polyvertex_t *)(line->v2))->y-gr_viewy;
+		fx2 = ((polyvertex_t *)(line->pv2))->x-gr_viewx;
+		fy2 = ((polyvertex_t *)(line->pv2))->y-gr_viewy;
 		fy1 = (fx2 * gr_viewcos + fy2 * gr_viewsin);
 		if (fy1 < 0)
 			// the point is back
@@ -2774,8 +2888,34 @@ static void HWR_AddLine(seg_t * line)
 		return;
 	}
 */
+#endif
+
 	gr_backsector = line->backsector;
 
+#ifdef NEWCLIP
+	if (!line->backsector)
+    {
+		gld_clipper_SafeAddClipRange(angle2, angle1);
+    }
+    else
+    {
+		gr_backsector = R_FakeFlat(gr_backsector, &tempsec, NULL, NULL, true);
+		if (CheckClip(line, gr_frontsector, gr_backsector))
+		{
+			gld_clipper_SafeAddClipRange(angle2, angle1);
+			checkforemptylines = false;
+		}
+		// Reject empty lines used for triggers and special events.
+		// Identical floor and ceiling on both sides,
+		//  identical light levels on both sides,
+		//  and no middle texture.
+		if (checkforemptylines && R_IsEmptyLine(line, gr_frontsector, gr_backsector))
+			return;
+    }
+
+	HWR_ProcessSeg(); // Doesn't need arguments because they're defined globally :D
+	return;
+#else
 	// Single sided line?
 	if (!gr_backsector)
 		goto clipsolid;
@@ -2785,14 +2925,9 @@ static void HWR_AddLine(seg_t * line)
 #ifdef ESLOPE
 	if (gr_frontsector->f_slope || gr_frontsector->c_slope || gr_backsector->f_slope || gr_backsector->c_slope)
 	{
-		fixed_t v1x, v1y, v2x, v2y; // the seg's vertexes as fixed_t
 		fixed_t frontf1,frontf2, frontc1, frontc2; // front floor/ceiling ends
 		fixed_t backf1, backf2, backc1, backc2; // back floor ceiling ends
 
-		v1x = FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->v1)->x);
-		v1y = FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->v1)->y);
-		v2x = FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->v2)->x);
-		v2y = FLOAT_TO_FIXED(((polyvertex_t *)gr_curline->v2)->y);
 #define SLOPEPARAMS(slope, end1, end2, normalheight) \
 		if (slope) { \
 			end1 = P_GetZAt(slope, v1x, v1y); \
@@ -2813,6 +2948,13 @@ static void HWR_AddLine(seg_t * line)
 			goto clipsolid;
 		}
 
+		// Check for automap fix.
+		if (backc1 <= backf1 && backc2 <= backf2
+		&& ((backc1 >= frontc1 && backc2 >= frontc2) || gr_curline->sidedef->toptexture)
+		&& ((backf1 <= frontf1 && backf2 >= frontf2) || gr_curline->sidedef->bottomtexture)
+		&& (gr_backsector->ceilingpic != skyflatnum || gr_frontsector->ceilingpic != skyflatnum))
+			goto clipsolid;
+
 		// Window.
 		if (backc1 != frontc1 || backc2 != frontc2
 			|| backf1 != frontf1 || backf2 != frontf2)
@@ -2828,6 +2970,13 @@ static void HWR_AddLine(seg_t * line)
 			gr_backsector->floorheight >= gr_frontsector->ceilingheight)
 			goto clipsolid;
 
+		// Check for automap fix.
+		if (gr_backsector->ceilingheight <= gr_backsector->floorheight
+		&& ((gr_backsector->ceilingheight >= gr_frontsector->ceilingheight) || gr_curline->sidedef->toptexture)
+		&& ((gr_backsector->floorheight <= gr_backsector->floorheight) || gr_curline->sidedef->bottomtexture)
+		&& (gr_backsector->ceilingpic != skyflatnum || gr_frontsector->ceilingpic != skyflatnum))
+			goto clipsolid;
+
 		// Window.
 		if (gr_backsector->ceilingheight != gr_frontsector->ceilingheight ||
 			gr_backsector->floorheight != gr_frontsector->floorheight)
@@ -2838,25 +2987,8 @@ static void HWR_AddLine(seg_t * line)
 	// Identical floor and ceiling on both sides,
 	//  identical light levels on both sides,
 	//  and no middle texture.
-	if (
-#ifdef POLYOBJECTS
-		!line->polyseg &&
-#endif
-		gr_backsector->ceilingpic == gr_frontsector->ceilingpic
-		&& gr_backsector->floorpic == gr_frontsector->floorpic
-#ifdef ESLOPE
-		&& gr_backsector->f_slope == gr_frontsector->f_slope
-		&& gr_backsector->c_slope == gr_frontsector->c_slope
-#endif
-	    && gr_backsector->lightlevel == gr_frontsector->lightlevel
-		&& gr_curline->sidedef->midtexture == 0
-		&& !gr_backsector->ffloors && !gr_frontsector->ffloors)
-		// SoM: For 3D sides... Boris, would you like to take a
-		// crack at rendering 3D sides? You would need to add the
-		// above check and add code to HWR_StoreWallRange...
-	{
+	if (R_IsEmptyLine(gr_curline, gr_frontsector, gr_backsector))
 		return;
-	}
 
 clippass:
 	if (x1 == x2)
@@ -2868,6 +3000,7 @@ clipsolid:
 	if (x1 == x2)
 		goto clippass;
 	HWR_ClipSolidWallSegment(x1, x2-1);
+#endif
 }
 
 // HWR_CheckBBox
@@ -2879,9 +3012,13 @@ clipsolid:
 
 static boolean HWR_CheckBBox(fixed_t *bspcoord)
 {
-	INT32 boxpos, sx1, sx2;
+	INT32 boxpos;
 	fixed_t px1, py1, px2, py2;
-	angle_t angle1, angle2, span, tspan;
+	angle_t angle1, angle2;
+#ifndef NEWCLIP
+	INT32 sx1, sx2;
+	angle_t span, tspan;
+#endif
 
 	// Find the corners of the box
 	// that define the edges from current viewpoint.
@@ -2907,6 +3044,11 @@ static boolean HWR_CheckBBox(fixed_t *bspcoord)
 	px2 = bspcoord[checkcoord[boxpos][2]];
 	py2 = bspcoord[checkcoord[boxpos][3]];
 
+#ifdef NEWCLIP
+	angle1 = R_PointToAngle(px1, py1);
+	angle2 = R_PointToAngle(px2, py2);
+	return gld_clipper_SafeCheckRange(angle2, angle1);
+#else
 	// check clip list for an open space
 	angle1 = R_PointToAngle2(dup_viewx>>1, dup_viewy>>1, px1>>1, py1>>1) - dup_viewangle;
 	angle2 = R_PointToAngle2(dup_viewx>>1, dup_viewy>>1, px2>>1, py2>>1) - dup_viewangle;
@@ -2954,6 +3096,7 @@ static boolean HWR_CheckBBox(fixed_t *bspcoord)
 		return false;
 
 	return HWR_ClipToSolidSegs(sx1, sx2 - 1);
+#endif
 }
 
 #ifdef POLYOBJECTS
@@ -2987,8 +3130,8 @@ static inline void HWR_AddPolyObjectSegs(void)
 			pv2->x = FIXED_TO_FLOAT(gr_fakeline->v2->x);
 			pv2->y = FIXED_TO_FLOAT(gr_fakeline->v2->y);
 
-			gr_fakeline->v1 = (vertex_t *)pv1;
-			gr_fakeline->v2 = (vertex_t *)pv2;
+			gr_fakeline->pv1 = pv1;
+			gr_fakeline->pv2 = pv2;
 
 			HWR_AddLine(gr_fakeline);
 		}
@@ -3264,7 +3407,6 @@ static void HWR_Subsector(size_t num)
 
 	if (num < numsubsectors)
 	{
-		sscount++;
 		// subsector
 		sub = &subsectors[num];
 		// sector
@@ -3415,9 +3557,7 @@ static void HWR_Subsector(size_t num)
 #ifndef POLYSKY
 	// Moved here because before, when above the ceiling and the floor does not have the sky flat, it doesn't draw the sky
 	if (gr_frontsector->ceilingpic == skyflatnum || gr_frontsector->floorpic == skyflatnum)
-	{
 		drawsky = true;
-	}
 #endif
 
 #ifdef R_FAKEFLOORS
@@ -5140,8 +5280,10 @@ static void HWR_AddSprites(sector_t *sec)
 
 			approx_dist = P_AproxDistance(viewx-thing->x, viewy-thing->y);
 
-			if (approx_dist <= limit_dist)
-				HWR_ProjectSprite(thing);
+			if (approx_dist > limit_dist)
+				continue;
+
+			HWR_ProjectSprite(thing);
 		}
 	}
 	else
@@ -5163,8 +5305,10 @@ static void HWR_AddSprites(sector_t *sec)
 
 			approx_dist = P_AproxDistance(viewx-precipthing->x, viewy-precipthing->y);
 
-			if (approx_dist <= limit_dist)
-				HWR_ProjectPrecipitationSprite(precipthing);
+			if (approx_dist > limit_dist)
+				continue;
+
+			HWR_ProjectPrecipitationSprite(precipthing);
 		}
 	}
 	else
@@ -5449,6 +5593,16 @@ static void HWR_ProjectPrecipitationSprite(precipmobj_t *thing)
 	x1 = tr_x + x1 * rightcos;
 	x2 = tr_x - x2 * rightcos;
 
+	// okay, we can't return now... this is a hack, but weather isn't networked, so it should be ok
+	if (!(thing->precipflags & PCF_THUNK))
+	{
+		if (thing->precipflags & PCF_RAIN)
+			P_RainThinker(thing);
+		else
+			P_SnowThinker(thing);
+		thing->precipflags |= PCF_THUNK;
+	}
+
 	//
 	// store information in a vissprite
 	//
@@ -5475,7 +5629,7 @@ static void HWR_ProjectPrecipitationSprite(precipmobj_t *thing)
 // ==========================================================================
 //
 // ==========================================================================
-static void HWR_DrawSkyBackground(player_t *player)
+static void HWR_DrawSkyBackground(void)
 {
 	FOutVector v[4];
 	angle_t angle;
@@ -5483,18 +5637,18 @@ static void HWR_DrawSkyBackground(player_t *player)
 	float aspectratio;
 	float angleturn;
 
-//  3--2
-//  | /|
-//  |/ |
-//  0--1
-
-	(void)player;
 	HWR_GetTexture(skytexture);
+	aspectratio = (float)vid.width/(float)vid.height;
 
 	//Hurdler: the sky is the only texture who need 4.0f instead of 1.0
 	//         because it's called just after clearing the screen
 	//         and thus, the near clipping plane is set to 3.99
 	// Sryder: Just use the near clipping plane value then
+
+	//  3--2
+	//  | /|
+	//  |/ |
+	//  0--1
 	v[0].x = v[3].x = -ZCLIP_PLANE-1;
 	v[1].x = v[2].x =  ZCLIP_PLANE+1;
 	v[0].y = v[1].y = -ZCLIP_PLANE-1;
@@ -5509,7 +5663,6 @@ static void HWR_DrawSkyBackground(player_t *player)
 	// The only time this will probably be an issue is when a sky wider than 1024 is used as a sky AND a regular wall texture
 
 	angle = (dup_viewangle + gr_xtoviewangle[0]);
-
 	dimensionmultiply = ((float)textures[skytexture]->width/256.0f);
 
 	v[0].sow = v[3].sow = ((float) angle / ((ANGLE_90-1)*dimensionmultiply));
@@ -5517,10 +5670,13 @@ static void HWR_DrawSkyBackground(player_t *player)
 
 	// Y
 	angle = aimingangle;
-
-	aspectratio = (float)vid.width/(float)vid.height;
 	dimensionmultiply = ((float)textures[skytexture]->height/(128.0f*aspectratio));
-	angleturn = (((float)ANGLE_45-1.0f)*aspectratio)*dimensionmultiply;
+
+	if (splitscreen)
+	{
+		dimensionmultiply *= 2;
+		angle *= 2;
+	}
 
 	// Middle of the sky should always be at angle 0
 	// need to keep correct aspect ratio with X
@@ -5536,6 +5692,8 @@ static void HWR_DrawSkyBackground(player_t *player)
 		v[0].tow = v[1].tow = -(0.5f-(0.5f/dimensionmultiply));
 	}
 
+	angleturn = (((float)ANGLE_45-1.0f)*aspectratio)*dimensionmultiply;
+
 	if (angle > ANGLE_180) // Do this because we don't want the sky to suddenly teleport when crossing over 0 to 360 and vice versa
 	{
 		angle = InvAngle(angle);
@@ -5699,12 +5857,8 @@ if (0)
 		HWD.pfnSetSpecialState(HWD_SET_FOG_MODE, 0); // Turn it off
 }
 
-#ifndef _NDS
 	if (drawsky)
-		HWR_DrawSkyBackground(player);
-#else
-	(void)HWR_DrawSkyBackground;
-#endif
+		HWR_DrawSkyBackground();
 
 	//Hurdler: it doesn't work in splitscreen mode
 	drawsky = splitscreen;
@@ -5714,7 +5868,19 @@ if (0)
 #ifdef SORTING
 	drawcount = 0;
 #endif
+#ifdef NEWCLIP
+	if (rendermode == render_opengl)
+	{
+		angle_t a1 = gld_FrustumAngle();
+		gld_clipper_Clear();
+		gld_clipper_SafeAddClipRange(viewangle + a1, viewangle - a1);
+#ifdef HAVE_SPHEREFRUSTRUM
+		gld_FrustrumSetup();
+#endif
+	}
+#else
 	HWR_ClearClipSegs();
+#endif
 
 	//04/01/2000: Hurdler: added for T&L
 	//                     Actually it only works on Walls and Planes
@@ -5724,6 +5890,7 @@ if (0)
 
 	HWR_RenderBSPNode((INT32)numnodes-1);
 
+#ifndef NEWCLIP
 	// Make a viewangle int so we can render things based on mouselook
 	if (player == &players[consoleplayer])
 		viewangle = localaiming;
@@ -5750,6 +5917,7 @@ if (0)
 
 		dup_viewangle += ANGLE_90;
 	}
+#endif
 
 	// Check for new console commands.
 	NetUpdate();
@@ -5906,12 +6074,8 @@ if (0)
 		HWD.pfnSetSpecialState(HWD_SET_FOG_MODE, 0); // Turn it off
 }
 
-#ifndef _NDS
 	if (!skybox && drawsky) // Don't draw the regular sky if there's a skybox
-		HWR_DrawSkyBackground(player);
-#else
-	(void)HWR_DrawSkyBackground;
-#endif
+		HWR_DrawSkyBackground();
 
 	//Hurdler: it doesn't work in splitscreen mode
 	drawsky = splitscreen;
@@ -5921,7 +6085,19 @@ if (0)
 #ifdef SORTING
 	drawcount = 0;
 #endif
+#ifdef NEWCLIP
+	if (rendermode == render_opengl)
+	{
+		angle_t a1 = gld_FrustumAngle();
+		gld_clipper_Clear();
+		gld_clipper_SafeAddClipRange(viewangle + a1, viewangle - a1);
+#ifdef HAVE_SPHEREFRUSTRUM
+		gld_FrustrumSetup();
+#endif
+	}
+#else
 	HWR_ClearClipSegs();
+#endif
 
 	//04/01/2000: Hurdler: added for T&L
 	//                     Actually it only works on Walls and Planes
@@ -5931,6 +6107,7 @@ if (0)
 
 	HWR_RenderBSPNode((INT32)numnodes-1);
 
+#ifndef NEWCLIP
 	// Make a viewangle int so we can render things based on mouselook
 	if (player == &players[consoleplayer])
 		viewangle = localaiming;
@@ -5957,6 +6134,7 @@ if (0)
 
 		dup_viewangle += ANGLE_90;
 	}
+#endif
 
 	// Check for new console commands.
 	NetUpdate();
@@ -6099,7 +6277,9 @@ static inline void HWR_AddEngineCommands(void)
 {
 	// engine state variables
 	//CV_RegisterVar(&cv_grzbuffer);
+#ifndef NEWCLIP
 	CV_RegisterVar(&cv_grclipwalls);
+#endif
 
 	// engine development mode variables
 	// - usage may vary from version to version..
diff --git a/src/hardware/hw_md2.c b/src/hardware/hw_md2.c
index 756d5a09821b052fe93668be33d04189af4fdc39..cb33562d8b66260b9b3ee843333e25b27e93740c 100644
--- a/src/hardware/hw_md2.c
+++ b/src/hardware/hw_md2.c
@@ -304,8 +304,8 @@ static md2_model_t *md2_readModel(const char *filename)
 	// initialize model and read header
 
 	if (fread(&model->header, sizeof (model->header), 1, file) != 1
-		|| model->header.magic !=
-		(INT32)(('2' << 24) + ('P' << 16) + ('D' << 8) + 'I'))
+		|| model->header.magic != MD2_IDENT
+		|| model->header.version != MD2_VERSION)
 	{
 		fclose(file);
 		free(model);
@@ -319,6 +319,7 @@ static md2_model_t *md2_readModel(const char *filename)
 	{ \
 		CONS_Alert(CONS_ERROR, "md2_readModel: %s has too many " msgname " (# found: %d, maximum: %d)\n", filename, field, max); \
 		md2_freeModel (model); \
+		fclose(file); \
 		return 0; \
 	}
 
@@ -340,6 +341,7 @@ static md2_model_t *md2_readModel(const char *filename)
 			fread(model->skins, sizeof (md2_skin_t), model->header.numSkins, file))
 		{
 			md2_freeModel (model);
+			fclose(file);
 			return 0;
 		}
 	}
@@ -353,6 +355,7 @@ static md2_model_t *md2_readModel(const char *filename)
 			fread(model->texCoords, sizeof (md2_textureCoordinate_t), model->header.numTexCoords, file))
 		{
 			md2_freeModel (model);
+			fclose(file);
 			return 0;
 		}
 	}
@@ -366,6 +369,7 @@ static md2_model_t *md2_readModel(const char *filename)
 			fread(model->triangles, sizeof (md2_triangle_t), model->header.numTriangles, file))
 		{
 			md2_freeModel (model);
+			fclose(file);
 			return 0;
 		}
 	}
@@ -378,6 +382,7 @@ static md2_model_t *md2_readModel(const char *filename)
 		if (!model->frames)
 		{
 			md2_freeModel (model);
+			fclose(file);
 			return 0;
 		}
 
@@ -391,6 +396,7 @@ static md2_model_t *md2_readModel(const char *filename)
 				fread(frame, 1, model->header.frameSize, file))
 			{
 				md2_freeModel (model);
+				fclose(file);
 				return 0;
 			}
 
@@ -416,6 +422,7 @@ static md2_model_t *md2_readModel(const char *filename)
 			fread(model->glCommandBuffer, sizeof (INT32), model->header.numGlCommands, file))
 		{
 			md2_freeModel (model);
+			fclose(file);
 			return 0;
 		}
 	}
diff --git a/src/hardware/hw_md2.h b/src/hardware/hw_md2.h
index 5a7e6d2b3cdaf0c3ae7d5813e835d5cf8711403e..299d1240005daba28769c1e8b5e12adfd1b67401 100644
--- a/src/hardware/hw_md2.h
+++ b/src/hardware/hw_md2.h
@@ -23,6 +23,11 @@
 
 #include "hw_glob.h"
 
+// magic number "IDP2" or 844121161
+#define MD2_IDENT                       (INT32)(('2' << 24) + ('P' << 16) + ('D' << 8) + 'I')
+// model version
+#define MD2_VERSION                     8
+
 #define MD2_MAX_TRIANGLES               8192
 #define MD2_MAX_VERTICES                4096
 #define MD2_MAX_TEXCOORDS               4096
diff --git a/src/hardware/hw_trick.c b/src/hardware/hw_trick.c
index e9ba19efb60a8fb8a6fe26c657866bcd2d764927..97d86b944890de2fae05d11bfd05ed607722b3d3 100644
--- a/src/hardware/hw_trick.c
+++ b/src/hardware/hw_trick.c
@@ -107,17 +107,17 @@ static void releaseLineChains(void)
 
 	for (i = 0; i < numsectors; i++)
 	{
-	sector = &sectors[i];
-	nextElem = sector->sectorLines;
+		sector = &sectors[i];
+		nextElem = sector->sectorLines;
 
-	while (nextElem)
-	{
-		thisElem = nextElem;
-		nextElem = thisElem->next;
-		free(thisElem);
-	}
+		while (nextElem)
+		{
+			thisElem = nextElem;
+			nextElem = thisElem->next;
+			free(thisElem);
+		}
 
-	sector->sectorLines = NULL;
+		sector->sectorLines = NULL;
 	}
 }
 
@@ -397,7 +397,7 @@ static void sortStacklist(sector_t *sector)
 		i = 0;
 		finished = true;
 
-		while (NULL != *(list+i+1))
+		while (*(list+i+1))
 		{
 			sec1 = *(list+i);
 			sec2 = *(list+i+1);
@@ -438,7 +438,7 @@ static double calcLineoutLength(sector_t *sector)
 	double length = 0.0L;
 	chain = sector->sectorLines;
 
-	while (NULL != chain) // sum up lengths of all lines
+	while (chain) // sum up lengths of all lines
 	{
 		length += lineLength(chain->line);
 		chain = chain->next;
@@ -454,7 +454,7 @@ static void calcLineouts(sector_t *sector)
 	size_t secCount = 0;
 	sector_t *encSector = *(sector->stackList);
 
-	while (NULL != encSector)
+	while (encSector)
 	{
 		if (encSector->lineoutLength < 0.0L) // if length has not yet been calculated
 		{
@@ -552,7 +552,7 @@ static boolean areBottomtexturesMissing(sector_t *thisSector)
 		if (frontSector == backSector) // skip damn renderer tricks here
 			continue;
 
-		if (frontSector == NULL || backSector == NULL)
+		if (!frontSector || !backSector)
 			continue;
 
 		sider = &sides[thisElem->line->sidenum[0]];
@@ -587,15 +587,14 @@ static boolean areBottomtexturesMissing(sector_t *thisSector)
 static boolean isCeilingFloating(sector_t *thisSector)
 {
 	sector_t *adjSector, *refSector = NULL, *frontSector, *backSector;
-	boolean floating = true;
 	linechain_t *thisElem, *nextElem;
 
 	if (!thisSector)
 		return false;
 
-	nextElem  = thisSector->sectorLines;
+	nextElem = thisSector->sectorLines;
 
-	while (NULL != nextElem) // walk through chain
+	while (nextElem) // walk through chain
 	{
 		thisElem = nextElem;
 		nextElem = thisElem->next;
@@ -609,10 +608,12 @@ static boolean isCeilingFloating(sector_t *thisSector)
 			adjSector = frontSector;
 
 		if (!adjSector) // assume floating sectors have surrounding sectors
-		{
-			floating = false;
-			break;
-		}
+			return false;
+
+#ifdef ESLOPE
+		if (adjSector->c_slope) // Don't bother with slopes
+			return false;
+#endif
 
 		if (!refSector)
 		{
@@ -621,23 +622,15 @@ static boolean isCeilingFloating(sector_t *thisSector)
 		}
 
 		// if adjacent sector has same height or more than one adjacent sector exists -> stop
-		if (thisSector->ceilingheight == adjSector->ceilingheight ||
-		   refSector != adjSector)
-		{
-			floating = false;
-			break;
-		}
+		if (thisSector->ceilingheight == adjSector->ceilingheight || refSector != adjSector)
+			return false;
 	}
 
 	// now check for walltextures
-	if (floating)
-	{
-		if (!areToptexturesMissing(thisSector))
-		{
-			floating = false;
-		}
-	}
-	return floating;
+	if (!areToptexturesMissing(thisSector))
+		return false;
+
+	return true;
 }
 
 //
@@ -647,13 +640,12 @@ static boolean isCeilingFloating(sector_t *thisSector)
 static boolean isFloorFloating(sector_t *thisSector)
 {
 	sector_t *adjSector, *refSector = NULL, *frontSector, *backSector;
-	boolean floating = true;
 	linechain_t *thisElem, *nextElem;
 
 	if (!thisSector)
 		return false;
 
-	nextElem  = thisSector->sectorLines;
+	nextElem = thisSector->sectorLines;
 
 	while (nextElem) // walk through chain
 	{
@@ -668,36 +660,30 @@ static boolean isFloorFloating(sector_t *thisSector)
 		else
 			adjSector = frontSector;
 
-		if (NULL == adjSector) // assume floating sectors have surrounding sectors
-		{
-			floating = false;
-			break;
-		}
+		if (!adjSector) // assume floating sectors have surrounding sectors
+			return false;
+
+#ifdef ESLOPE
+		if (adjSector->f_slope) // Don't bother with slopes
+			return false;
+#endif
 
-		if (NULL == refSector)
+		if (!refSector)
 		{
 			refSector = adjSector;
 			continue;
 		}
 
 		// if adjacent sector has same height or more than one adjacent sector exists -> stop
-		if (thisSector->floorheight == adjSector->floorheight ||
-		   refSector != adjSector)
-		{
-			floating = false;
-			break;
-		}
+		if (thisSector->floorheight == adjSector->floorheight || refSector != adjSector)
+			return false;
 	}
 
 	// now check for walltextures
-	if (floating)
-	{
-		if (!areBottomtexturesMissing(thisSector))
-		{
-			floating = false;
-		}
-	}
-	return floating;
+	if (!areBottomtexturesMissing(thisSector))
+		return false;
+
+	return true;
 }
 
 //
@@ -707,14 +693,12 @@ static fixed_t estimateCeilHeight(sector_t *thisSector)
 {
 	sector_t *adjSector;
 
-	if (!thisSector ||
-	 !thisSector->sectorLines ||
-	  !thisSector->sectorLines->line)
+	if (!thisSector || !thisSector->sectorLines || !thisSector->sectorLines->line)
 		return 0;
 
 	adjSector = thisSector->sectorLines->line->frontsector;
 	if (adjSector == thisSector)
-	adjSector = thisSector->sectorLines->line->backsector;
+		adjSector = thisSector->sectorLines->line->backsector;
 
 	if (!adjSector)
 		return 0;
@@ -729,17 +713,15 @@ static fixed_t estimateFloorHeight(sector_t *thisSector)
 {
 	sector_t *adjSector;
 
-	if (!thisSector ||
-	 !thisSector->sectorLines ||
-	  !thisSector->sectorLines->line)
-	return 0;
+	if (!thisSector || !thisSector->sectorLines || !thisSector->sectorLines->line)
+		return 0;
 
 	adjSector = thisSector->sectorLines->line->frontsector;
 	if (adjSector == thisSector)
-	adjSector = thisSector->sectorLines->line->backsector;
+		adjSector = thisSector->sectorLines->line->backsector;
 
-	if (NULL == adjSector)
-	return 0;
+	if (!adjSector)
+		return 0;
 
 	return adjSector->floorheight;
 }
@@ -845,18 +827,12 @@ void HWR_CorrectSWTricks(void)
 		// correct height of floating sectors
 		if (isCeilingFloating(floatSector))
 		{
-			fixed_t corrheight;
-
-			corrheight = estimateCeilHeight(floatSector);
-			floatSector->virtualCeilingheight = corrheight;
+			floatSector->virtualCeilingheight = estimateCeilHeight(floatSector);
 			floatSector->virtualCeiling = true;
 		}
 		if (isFloorFloating(floatSector))
 		{
-			fixed_t corrheight;
-
-			corrheight = estimateFloorHeight(floatSector);
-			floatSector->virtualFloorheight = corrheight;
+			floatSector->virtualFloorheight = estimateFloorHeight(floatSector);
 			floatSector->virtualFloor = true;
 		}
 	}
diff --git a/src/hardware/r_opengl/r_opengl.c b/src/hardware/r_opengl/r_opengl.c
index 8e3ae3e21bfdca783189e828e9a210ca4817305b..2d9f4219253796b19275a9bdb15e79a3a1d3989a 100644
--- a/src/hardware/r_opengl/r_opengl.c
+++ b/src/hardware/r_opengl/r_opengl.c
@@ -1,7 +1,7 @@
 // Emacs style mode select   -*- C++ -*-
 //-----------------------------------------------------------------------------
 //
-// Copyright (C) 1998-2006 by Sonic Team Junior.
+// Copyright (C) 1998-2018 by Sonic Team Junior.
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License
diff --git a/src/hu_stuff.c b/src/hu_stuff.c
index 646bdcbad6d0ba9299fea195e735a67c3f9d22c9..b735f91b9355532b39482988911a4dfcb1309c7f 100644
--- a/src/hu_stuff.c
+++ b/src/hu_stuff.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/hu_stuff.h b/src/hu_stuff.h
index 7b22f33f189b5a602ca043862b21ca2e8cc0d678..23e421076975d0f4a009b504e11010b3d88ac207 100644
--- a/src/hu_stuff.h
+++ b/src/hu_stuff.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -78,16 +78,13 @@ extern boolean chat_on;
 // set true whenever the tab rankings are being shown for any reason
 extern boolean hu_showscores;
 
-// P_DeathThink sets this true to show scores while dead, in multiplayer
-extern boolean playerdeadview;
-
 // init heads up data at game startup.
 void HU_Init(void);
 
 void HU_LoadGraphics(void);
 
 // reset heads up when consoleplayer respawns.
-FUNCMATH void HU_Start(void);
+void HU_Start(void);
 
 boolean HU_Responder(event_t *ev);
 
diff --git a/src/i_addrinfo.c b/src/i_addrinfo.c
index eb29e360879bb19edf9f24a1e3b04cb4d5c9ee0b..03edf732de7a5e91d0359e94fc7dbe4626e36a59 100644
--- a/src/i_addrinfo.c
+++ b/src/i_addrinfo.c
@@ -1,6 +1,6 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
-// Copyright (C) 2011-2016 by Sonic Team Junior.
+// Copyright (C) 2011-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/i_addrinfo.h b/src/i_addrinfo.h
index 744ea0cf7cac03a3607aeb4440d9393f550ff011..1b8ce915367b8e19b4c145168e1cb41efb0fe38f 100644
--- a/src/i_addrinfo.h
+++ b/src/i_addrinfo.h
@@ -1,6 +1,6 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
-// Copyright (C) 2011-2016 by Sonic Team Junior.
+// Copyright (C) 2011-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/i_joy.h b/src/i_joy.h
index 5cba1af0abff4e8514d2797377d099a4857e1e6d..27013f011671382e34623809e70031600231ed36 100644
--- a/src/i_joy.h
+++ b/src/i_joy.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/i_net.h b/src/i_net.h
index 2bfa5eac7d14a1f567a99f406aaec5afdcee23d7..0e17077bbcea85fcd80e9c7fc830d981745ba218 100644
--- a/src/i_net.h
+++ b/src/i_net.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/i_sound.h b/src/i_sound.h
index 084479ee1860485b23537983653b067e7b2d0094..fd73d14541b4e61a1cfc8717051d83e7a3d855fb 100644
--- a/src/i_sound.h
+++ b/src/i_sound.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -18,6 +18,21 @@
 #include "sounds.h"
 #include "command.h"
 
+// copied from SDL mixer, plus GME
+typedef enum {
+	MU_NONE,
+	MU_CMD,
+	MU_WAV,
+	MU_MOD,
+	MU_MID,
+	MU_OGG,
+	MU_MP3,
+	MU_MP3_MAD_UNUSED, // use MU_MP3 instead
+	MU_FLAC,
+	MU_MODPLUG_UNUSED, // use MU_MOD instead
+	MU_GME
+} musictype_t;
+
 /**	\brief Sound subsystem runing and waiting
 */
 extern UINT8 sound_started;
@@ -51,9 +66,9 @@ void I_StartupSound(void);
 */
 void I_ShutdownSound(void);
 
-//
-//  SFX I/O
-//
+/// ------------------------
+///  SFX I/O
+/// ------------------------
 
 /**	\brief	Starts a sound in a particular sound channel.
 	\param	id	sfxid
@@ -64,7 +79,7 @@ void I_ShutdownSound(void);
 
 	\return	sfx handle
 */
-INT32 I_StartSound(sfxenum_t id, UINT8 vol, UINT8 sep, UINT8 pitch, UINT8 priority);
+INT32 I_StartSound(sfxenum_t id, UINT8 vol, UINT8 sep, UINT8 pitch, UINT8 priority, INT32 channel);
 
 /**	\brief	Stops a sound channel.
 
@@ -105,9 +120,10 @@ void I_UpdateSoundParams(INT32 handle, UINT8 vol, UINT8 sep, UINT8 pitch);
 */
 void I_SetSfxVolume(UINT8 volume);
 
-//
-//  MUSIC I/O
-//
+/// ------------------------
+//  MUSIC SYSTEM
+/// ------------------------
+
 /** \brief Init the music systems
 */
 void I_InitMusic(void);
@@ -116,41 +132,23 @@ void I_InitMusic(void);
 */
 void I_ShutdownMusic(void);
 
-/**	\brief	PAUSE game handling.
+/// ------------------------
+//  MUSIC PROPERTIES
+/// ------------------------
 
-	\param	handle	song handle
+musictype_t I_SongType(void);
+boolean I_SongPlaying(void);
+boolean I_SongPaused(void);
 
-	\return	void
-*/
-void I_PauseSong(INT32 handle);
-
-/**	\brief	RESUME game handling
+/// ------------------------
+//  MUSIC EFFECTS
+/// ------------------------
 
-	\param	handle	song handle
-
-	\return	void
-*/
-void I_ResumeSong(INT32 handle);
-
-//
-//  MIDI I/O
-//
-
-/**	\brief Startup the MIDI music system
-*/
-void I_InitMIDIMusic(void);
-
-/**	\brief Shutdown the MIDI music system
-*/
-void I_ShutdownMIDIMusic(void);
-
-/**	\brief	The I_SetMIDIMusicVolume function
-
-	\param	volume	volume to set at
+boolean I_SetSongSpeed(float speed);
 
-	\return	void
-*/
-void I_SetMIDIMusicVolume(UINT8 volume);
+/// ------------------------
+//  MUSIC PLAYBACK
+/// ------------------------
 
 /**	\brief	Registers a song handle to song data.
 
@@ -161,7 +159,16 @@ void I_SetMIDIMusicVolume(UINT8 volume);
 
 	\todo Remove this
 */
-INT32 I_RegisterSong(void *data, size_t len);
+boolean I_LoadSong(char *data, size_t len);
+
+/**	\brief	See ::I_LoadSong, then think backwards
+
+	\param	handle	song handle
+
+	\sa I_LoadSong
+	\todo remove midi handle
+*/
+void I_UnloadSong(void);
 
 /**	\brief	Called by anything that wishes to start music
 
@@ -172,7 +179,7 @@ INT32 I_RegisterSong(void *data, size_t len);
 
 	\todo pass music name, not handle
 */
-boolean I_PlaySong(INT32 handle, boolean looping);
+boolean I_PlaySong(boolean looping);
 
 /**	\brief	Stops a song over 3 seconds
 
@@ -181,58 +188,37 @@ boolean I_PlaySong(INT32 handle, boolean looping);
 
 	/todo drop handle
 */
-void I_StopSong(INT32 handle);
+void I_StopSong(void);
 
-/**	\brief	See ::I_RegisterSong, then think backwards
+/**	\brief	PAUSE game handling.
 
 	\param	handle	song handle
 
-	\sa I_RegisterSong
-	\todo remove midi handle
-*/
-void I_UnRegisterSong(INT32 handle);
-
-//
-//  DIGMUSIC I/O
-//
-
-/**	\brief Startup the music system
-*/
-void I_InitDigMusic(void);
-
-/**	\brief Shutdown the music system
+	\return	void
 */
-void I_ShutdownDigMusic(void);
-
-boolean I_SetSongSpeed(float speed);
-
-boolean I_SetSongTrack(INT32 track);
-
-/**	\brief The I_StartDigSong function
+void I_PauseSong(void);
 
-	\param	musicname	music lump name
-	\param	looping	if true, loop the song
+/**	\brief	RESUME game handling
 
-	\return	if true, song playing
-*/
-boolean I_StartDigSong(const char *musicname, boolean looping);
+	\param	handle	song handle
 
-/**	\brief stop non-MIDI song
+	\return	void
 */
-void I_StopDigSong(void);
+void I_ResumeSong(void);
 
-/**	\brief The I_SetDigMusicVolume function
+/**	\brief	The I_SetMusicVolume function
 
 	\param	volume	volume to set at
 
 	\return	void
 */
-void I_SetDigMusicVolume(UINT8 volume);
+void I_SetMusicVolume(UINT8 volume);
 
-//
-// CD MUSIC I/O
-//
+boolean I_SetSongTrack(INT32 track);
 
+/// ------------------------
+//  CD MUSIC I/O
+/// ------------------------
 
 /**	\brief  cd music interface
 */
diff --git a/src/i_system.h b/src/i_system.h
index d61f2d16e7730c8516b556d3d1f9705e5fb565fc..a8d707d162d53d590df28bd89887dba49ec76f98 100644
--- a/src/i_system.h
+++ b/src/i_system.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/i_tcp.c b/src/i_tcp.c
index 6488e98455f4f8076b30b74052c6d724693d4f7c..279081e7252d5bc486565a81293315663b85a181 100644
--- a/src/i_tcp.c
+++ b/src/i_tcp.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -262,6 +262,33 @@ static void wattcp_outch(char s)
 }
 #endif
 
+#ifdef USE_WINSOCK
+// stupid microsoft makes things complicated
+static char *get_WSAErrorStr(int e)
+{
+	static char buf[256]; // allow up to 255 bytes
+
+	buf[0] = '\0';
+
+	FormatMessageA(
+		FORMAT_MESSAGE_FROM_SYSTEM |
+		FORMAT_MESSAGE_IGNORE_INSERTS,
+		NULL,
+		(DWORD)e,
+		MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+		(LPTSTR)buf,
+		sizeof (buf),
+		NULL);
+
+	if (!buf[0]) // provide a fallback error message if no message is available for some reason
+		sprintf(buf, "Unknown error");
+
+	return buf;
+}
+#undef strerror
+#define strerror get_WSAErrorStr
+#endif
+
 #ifdef USE_WINSOCK2
 #define inet_ntop inet_ntopA
 #define HAVE_NTOP
@@ -759,9 +786,13 @@ static void SOCK_Send(void)
 			&clientaddress[doomcom->remotenode].any, d);
 	}
 
-	if (c == ERRSOCKET && errno != ECONNREFUSED && errno != EWOULDBLOCK)
-		I_Error("SOCK_Send, error sending to node %d (%s) #%u: %s", doomcom->remotenode,
-			SOCK_GetNodeAddress(doomcom->remotenode), errno, strerror(errno));
+	if (c == ERRSOCKET)
+	{
+		int e = errno; // save error code so it can't be modified later
+		if (e != ECONNREFUSED && e != EWOULDBLOCK)
+			I_Error("SOCK_Send, error sending to node %d (%s) #%u: %s", doomcom->remotenode,
+				SOCK_GetNodeAddress(doomcom->remotenode), e, strerror(e));
+	}
 }
 #endif
 
diff --git a/src/i_tcp.h b/src/i_tcp.h
index a084abb8459e601c3aef810faeddc34aefc9d318..06680cd9bc5fcdbd889a9249127f5633bbb92467 100644
--- a/src/i_tcp.h
+++ b/src/i_tcp.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/i_video.h b/src/i_video.h
index 7ee07f000efd0d29f968b028a8455c6f9a8a6e13..4bb2c58293e3cc96309e6cf577540fcd6f63abd9 100644
--- a/src/i_video.h
+++ b/src/i_video.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/info.c b/src/info.c
index c621378e3071a7b9a8df5d9811c8d047b8f9dfa2..84e9cbdc4d43be445e5e0676068c1ab23986c04a 100644
--- a/src/info.c
+++ b/src/info.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/info.h b/src/info.h
index 6b943cd93a12ca5a8e784f84a7bdaa9465b6672b..cba49667d23640bf8bf512f1a94575928075600e 100644
--- a/src/info.h
+++ b/src/info.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/keys.h b/src/keys.h
index 654aa1d9dfb71881cafebd395da48392d34915f4..cf3a0d060c539483e61026e175e1365da3f5eb3e 100644
--- a/src/keys.h
+++ b/src/keys.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/lua_baselib.c b/src/lua_baselib.c
index e8e8fd02044320e495d11d00310a5ee292b9b625..c07d104c240f3632a864461d29abefa227f1548a 100644
--- a/src/lua_baselib.c
+++ b/src/lua_baselib.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2012-2016 by John "JTE" Muniz.
-// Copyright (C) 2012-2016 by Sonic Team Junior.
+// Copyright (C) 2012-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/lua_consolelib.c b/src/lua_consolelib.c
index 3239b7c5ea4016296b48c921bb893d1e82e4c86d..3f1fea5b14c0e8cfa1519b1e387e79f3a2a9a1b5 100644
--- a/src/lua_consolelib.c
+++ b/src/lua_consolelib.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2012-2016 by John "JTE" Muniz.
-// Copyright (C) 2012-2016 by Sonic Team Junior.
+// Copyright (C) 2012-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/lua_hook.h b/src/lua_hook.h
index 53e0a7d8e8bf2eb402ed50c62e89bb49704bdec8..db32c42ba8c73e8560184f8e498a884ceb96a840 100644
--- a/src/lua_hook.h
+++ b/src/lua_hook.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2012-2016 by John "JTE" Muniz.
-// Copyright (C) 2012-2016 by Sonic Team Junior.
+// Copyright (C) 2012-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/lua_hooklib.c b/src/lua_hooklib.c
index eadd015374bdde678cee255845aa782a0c7666cf..2a98a82e56c6a4c960645a7e7c1cccccb76ac551 100644
--- a/src/lua_hooklib.c
+++ b/src/lua_hooklib.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2012-2016 by John "JTE" Muniz.
-// Copyright (C) 2012-2016 by Sonic Team Junior.
+// Copyright (C) 2012-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/lua_hud.h b/src/lua_hud.h
index ba0a1d8941deff4c5b19e40cae1368c19ad86b18..f96618e0729f48be23ae20ae7d4068fd9fc54aed 100644
--- a/src/lua_hud.h
+++ b/src/lua_hud.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2014-2016 by John "JTE" Muniz.
-// Copyright (C) 2014-2016 by Sonic Team Junior.
+// Copyright (C) 2014-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/lua_hudlib.c b/src/lua_hudlib.c
index 60cbbe5018f28fb657cee6ec608d275386b53411..ee470d50cf6b49aa756832734a07dc23362cbea4 100644
--- a/src/lua_hudlib.c
+++ b/src/lua_hudlib.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2014-2016 by John "JTE" Muniz.
-// Copyright (C) 2014-2016 by Sonic Team Junior.
+// Copyright (C) 2014-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/lua_infolib.c b/src/lua_infolib.c
index f6bb7d305a3aeafc82ec40563b7da36cc41904ae..9b22170f93d3d0ea28870b708528a0cc4cc4ebff 100644
--- a/src/lua_infolib.c
+++ b/src/lua_infolib.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2012-2016 by John "JTE" Muniz.
-// Copyright (C) 2012-2016 by Sonic Team Junior.
+// Copyright (C) 2012-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/lua_libs.h b/src/lua_libs.h
index 931cf62d0bc11901d303969d821dd30a30266e6c..fe3d8220092e5ec97d9d8557aa26e09f64e01bbb 100644
--- a/src/lua_libs.h
+++ b/src/lua_libs.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2012-2016 by John "JTE" Muniz.
-// Copyright (C) 2012-2016 by Sonic Team Junior.
+// Copyright (C) 2012-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/lua_maplib.c b/src/lua_maplib.c
index 208aebe37951b484b5212637f774ea837f701729..5c1763862d1dea3f9a8558da59f8daa7861f77fd 100644
--- a/src/lua_maplib.c
+++ b/src/lua_maplib.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2012-2016 by John "JTE" Muniz.
-// Copyright (C) 2012-2016 by Sonic Team Junior.
+// Copyright (C) 2012-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/lua_mathlib.c b/src/lua_mathlib.c
index 96d50b779914c66903043a20710b20af8327aa26..6cc8c0077a26f4973e53f8640f1c150d2b0e46ef 100644
--- a/src/lua_mathlib.c
+++ b/src/lua_mathlib.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2012-2016 by John "JTE" Muniz.
-// Copyright (C) 2012-2016 by Sonic Team Junior.
+// Copyright (C) 2012-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/lua_mobjlib.c b/src/lua_mobjlib.c
index 6bb1388fce5b0cdaa615640acca1636c33c1f238..4cd952f8dd009221a7943b83ca1fc3a060380a1c 100644
--- a/src/lua_mobjlib.c
+++ b/src/lua_mobjlib.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2012-2016 by John "JTE" Muniz.
-// Copyright (C) 2012-2016 by Sonic Team Junior.
+// Copyright (C) 2012-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/lua_playerlib.c b/src/lua_playerlib.c
index bd5605f235afa1f89425729e19d6443dacb34eeb..dd74393214592bd862a911d6a0ecf65963b03264 100644
--- a/src/lua_playerlib.c
+++ b/src/lua_playerlib.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2012-2016 by John "JTE" Muniz.
-// Copyright (C) 2012-2016 by Sonic Team Junior.
+// Copyright (C) 2012-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/lua_script.c b/src/lua_script.c
index ce96878bfb25592b7b9c968b428d3e98b2e36470..0ee65c83b0cf3c170478f28accebbf9ade392a63 100644
--- a/src/lua_script.c
+++ b/src/lua_script.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2012-2016 by John "JTE" Muniz.
-// Copyright (C) 2012-2016 by Sonic Team Junior.
+// Copyright (C) 2012-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -182,19 +182,21 @@ void LUA_LoadLump(UINT16 wad, UINT16 lump)
 {
 	MYFILE f;
 	char *name;
+	size_t len;
 	f.wad = wad;
 	f.size = W_LumpLengthPwad(wad, lump);
 	f.data = Z_Malloc(f.size, PU_LUA, NULL);
 	W_ReadLumpPwad(wad, lump, f.data);
 	f.curpos = f.data;
 
-	name = malloc(strlen(wadfiles[wad]->filename)+10);
+	len = strlen(wadfiles[wad]->filename);
+	name = malloc(len+10);
 	strcpy(name, wadfiles[wad]->filename);
-	if (!fasticmp(&name[strlen(name) - 4], ".lua")) {
+	if (!fasticmp(&name[len - 4], ".lua")) {
 		// If it's not a .lua file, copy the lump name in too.
-		name[strlen(wadfiles[wad]->filename)] = '|';
-		M_Memcpy(name+strlen(wadfiles[wad]->filename)+1, wadfiles[wad]->lumpinfo[lump].name, 8);
-		name[strlen(wadfiles[wad]->filename)+9] = '\0';
+		name[len] = '|';
+		M_Memcpy(name+len+1, wadfiles[wad]->lumpinfo[lump].name, 8);
+		name[len+9] = '\0';
 	}
 
 	LUA_LoadFile(&f, name);
@@ -851,7 +853,7 @@ static UINT8 UnArchiveValue(int TABLESINDEX)
 		LUA_PushUserdata(gL, &sectors[READUINT16(save_p)], META_SECTOR);
 		break;
 	case ARCH_MAPHEADER:
-		LUA_PushUserdata(gL, &sectors[READUINT16(save_p)], META_MAPHEADER);
+		LUA_PushUserdata(gL, mapheaderinfo[READUINT16(save_p)], META_MAPHEADER);
 		break;
 	case ARCH_TEND:
 		return 1;
diff --git a/src/lua_script.h b/src/lua_script.h
index 3b159234a5f75fc2561ad6ad65a94a9a367b8f1e..f944149d721e200c5ee9a8508de347aac6acbdee 100644
--- a/src/lua_script.h
+++ b/src/lua_script.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2012-2016 by John "JTE" Muniz.
-// Copyright (C) 2012-2016 by Sonic Team Junior.
+// Copyright (C) 2012-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/lua_skinlib.c b/src/lua_skinlib.c
index 28d5fed23660e61f1a543e531881af37a5e24172..0fbcb2fd3c70cde9ac0d710d316a003414a39e64 100644
--- a/src/lua_skinlib.c
+++ b/src/lua_skinlib.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2014-2016 by John "JTE" Muniz.
-// Copyright (C) 2014-2016 by Sonic Team Junior.
+// Copyright (C) 2014-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/lua_thinkerlib.c b/src/lua_thinkerlib.c
index aaa8435e955f20a6344bca6219124761a36429fa..ae859d46ee55a151f03510af477d2bb02033f6e5 100644
--- a/src/lua_thinkerlib.c
+++ b/src/lua_thinkerlib.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2012-2016 by John "JTE" Muniz.
-// Copyright (C) 2012-2016 by Sonic Team Junior.
+// Copyright (C) 2012-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/m_aatree.c b/src/m_aatree.c
index 6cb3a32cb927aac773db7739b6a0dc6887e14294..f19fa1dc04dd37b3b26045d9c954e9572ba408eb 100644
--- a/src/m_aatree.c
+++ b/src/m_aatree.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/m_aatree.h b/src/m_aatree.h
index eeaebca3b94320fb71c5b85579caf2c355503e00..e7f1eba0505d72b342b250e324e45bd29be11716 100644
--- a/src/m_aatree.h
+++ b/src/m_aatree.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/m_anigif.c b/src/m_anigif.c
index 2540665ad57e8f901f315238ad74d9c352e01878..8450992110e1209a1679da7cbb3017cafd023f5b 100644
--- a/src/m_anigif.c
+++ b/src/m_anigif.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 2013-2016 by Matthew "Inuyasha" Walsh.
 // Copyright (C) 2013      by "Ninji".
-// Copyright (C) 2013-2016 by Sonic Team Junior.
+// Copyright (C) 2013-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -492,7 +492,9 @@ static void GIF_framewrite(void)
 
 	// screen regions are handled in GIF_lzw
 	{
-		UINT16 delay = 3; // todo
+		int d1 = (int)((100.0/NEWTICRATE)*(gif_frames+1));
+		int d2 = (int)((100.0/NEWTICRATE)*(gif_frames));
+		UINT16 delay = d1-d2;
 		INT32 startline;
 
 		WRITEMEM(p, gifframe_gchead, 4);
diff --git a/src/m_anigif.h b/src/m_anigif.h
index dbf7b10a29476210bdbf8a9c0984d4dafc244de6..6d94ecf8ceece4ab6ca8a04caca15a0a1c10e29e 100644
--- a/src/m_anigif.h
+++ b/src/m_anigif.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2013-2016 by Matthew "Inuyasha" Walsh.
-// Copyright (C) 2013-2016 by Sonic Team Junior.
+// Copyright (C) 2013-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/m_argv.c b/src/m_argv.c
index 859fc902611e69f0249332d13b095a25778bf8e4..5c5dc37cfb9cb70a958d1582b38ea8b5ee1ff191 100644
--- a/src/m_argv.c
+++ b/src/m_argv.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -25,6 +25,10 @@ INT32 myargc;
 */
 char **myargv;
 
+/** \brief did we alloc myargv ourselves?
+*/
+boolean myargmalloc = false;
+
 /**	\brief founded the parm
 */
 static INT32 found;
@@ -176,6 +180,7 @@ void M_FindResponseFile(void)
 				free(file);
 				I_Error("Not enough memory to read response file");
 			}
+			myargmalloc = true; // mark as having been allocated by us
 			memset(myargv, 0, sizeof (char *) * MAXARGVS);
 			myargv[0] = firstargv;
 
@@ -198,17 +203,15 @@ void M_FindResponseFile(void)
 					k++;
 			} while (k < size);
 
-			free(file);
-
 			for (k = 0; k < pindex; k++)
 				myargv[indexinfile++] = moreargs[k];
 			myargc = indexinfile;
 
 			// display arguments
-			CONS_Printf(M_GetText("%d command-line args:\n"), myargc);
+			CONS_Printf(M_GetText("%d command-line args:\n"), myargc-1); // -1 so @ don't actually get counted for
 			for (k = 1; k < myargc; k++)
 				CONS_Printf("%s\n", myargv[k]);
 
 			break;
 		}
-}
+}
\ No newline at end of file
diff --git a/src/m_argv.h b/src/m_argv.h
index 46ef9a2cf5d81da5ddee474f004d17f6286d7f30..d654dcc195778eddb6907adfeed55aac2116e100 100644
--- a/src/m_argv.h
+++ b/src/m_argv.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -19,6 +19,7 @@
 //
 extern INT32 myargc;
 extern char **myargv;
+extern boolean myargmalloc;
 
 // Returns the position of the given parameter in the arg list (0 if not found).
 INT32 M_CheckParm(const char *check);
diff --git a/src/m_bbox.c b/src/m_bbox.c
index fb44b853e56fdb42db46154f92fb8a7e9b53bd54..0c57de43e45f9315f56d50a022d0c22ad0282163 100644
--- a/src/m_bbox.c
+++ b/src/m_bbox.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/m_bbox.h b/src/m_bbox.h
index a11257b8aa584318945aefbe83d0edb77a0d4b51..db5c2b4a7b3e815a34280216216a2608d6eb6f8a 100644
--- a/src/m_bbox.h
+++ b/src/m_bbox.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/m_cheat.c b/src/m_cheat.c
index 3bbaadc5b05f4e48273b7267b0b44523becf1af8..6fa3ea113030dffde9e7260dcc611748a85e5b15 100644
--- a/src/m_cheat.c
+++ b/src/m_cheat.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/m_cheat.h b/src/m_cheat.h
index 951c7a16a261f435fc464f37dd93585c0c156b2e..bb901af74375312b5f9dc3a6e64a42ab2450570b 100644
--- a/src/m_cheat.h
+++ b/src/m_cheat.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/m_cond.c b/src/m_cond.c
index a56efd3ae11a38854b8f12514832912d4881d45c..4c824b180ffa854df9a3fc00fcf04800b22ca333 100644
--- a/src/m_cond.c
+++ b/src/m_cond.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2012-2016 by Matthew "Inuyasha" Walsh.
-// Copyright (C) 2012-2016 by Sonic Team Junior.
+// Copyright (C) 2012-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/m_cond.h b/src/m_cond.h
index e61ff1f795819c03a4ff59803e9fa836afb25088..35170406479662dfc5d63b72e1c07593696e67fb 100644
--- a/src/m_cond.h
+++ b/src/m_cond.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2012-2016 by Matthew "Inuyasha" Walsh.
-// Copyright (C) 2012-2016 by Sonic Team Junior.
+// Copyright (C) 2012-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/m_dllist.h b/src/m_dllist.h
index f19659cca7dc2ccbf12b08ecc156cfadcf36c3ca..18f3511442afde28f2272977a526e59864462b65 100644
--- a/src/m_dllist.h
+++ b/src/m_dllist.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2005      by James Haley
-// Copyright (C) 2005-2016 by Sonic Team Junior.
+// Copyright (C) 2005-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/m_fixed.c b/src/m_fixed.c
index 014457386030740900f05ebd5048a37e522ddddf..d45bb70bf572dabacef5f9874dfe84d3b9bdef32 100644
--- a/src/m_fixed.c
+++ b/src/m_fixed.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -432,7 +432,7 @@ vector3_t *FV3_Cross(const vector3_t *a_1, const vector3_t *a_2, vector3_t *a_o)
 //
 vector3_t *FV3_ClosestPointOnLine(const vector3_t *Line, const vector3_t *p, vector3_t *out)
 {
-	// Determine t (the length of the vector from �Line[0]� to �p�)
+	// Determine t (the length of the vector from �Line[0]� to �p�)
 	vector3_t c, V;
 	fixed_t t, d = 0;
 	FV3_SubEx(p, &Line[0], &c);
@@ -442,7 +442,7 @@ vector3_t *FV3_ClosestPointOnLine(const vector3_t *Line, const vector3_t *p, vec
 	d = FV3_Distance(&Line[0], &Line[1]);
 	t = FV3_Dot(&V, &c);
 
-	// Check to see if �t� is beyond the extents of the line segment
+	// Check to see if �t� is beyond the extents of the line segment
 	if (t < 0)
 	{
 		return FV3_Copy(out, &Line[0]);
@@ -452,7 +452,7 @@ vector3_t *FV3_ClosestPointOnLine(const vector3_t *Line, const vector3_t *p, vec
 		return FV3_Copy(out, &Line[1]);
 	}
 
-	// Return the point between �Line[0]� and �Line[1]�
+	// Return the point between �Line[0]� and �Line[1]�
 	FV3_Mul(&V, t);
 
 	return FV3_AddEx(&Line[0], &V, out);
diff --git a/src/m_fixed.h b/src/m_fixed.h
index 7738239881084eb807786d2e52e1d0933fa9474c..4609913b7a413eba617146772c8f8d468c4120ef 100644
--- a/src/m_fixed.h
+++ b/src/m_fixed.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -75,7 +75,7 @@ typedef INT32 fixed_t;
 			:"=a" (ret)            // eax is always the result and the first operand (%0,%1)
 			:"0" (a), "r" (b)      // and %2 is what we use imull on with what in %1
 			, "I" (FRACBITS)       // %3 holds FRACBITS (normally 16)
-			:"%cc", "%edx"         // edx and condition codes clobbered
+			:"cc", "%edx"         // edx and condition codes clobbered
 		);
 		return ret;
 	}
diff --git a/src/m_menu.c b/src/m_menu.c
index 79ac6800b7cf18a7fb7df362f37dc5329f150e4a..dfe8bbeca30e70526a11c767cb559b85046fe326 100644
--- a/src/m_menu.c
+++ b/src/m_menu.c
@@ -3,7 +3,7 @@
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
 // Copyright (C) 2011-2016 by Matthew "Inuyasha" Walsh.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -287,9 +287,6 @@ menu_t OP_VideoOptionsDef, OP_VideoModeDef;
 menu_t OP_OpenGLOptionsDef, OP_OpenGLFogDef, OP_OpenGLColorDef;
 #endif
 menu_t OP_SoundOptionsDef;
-static void M_ToggleSFX(void);
-static void M_ToggleDigital(void);
-static void M_ToggleMIDI(void);
 
 //Misc
 menu_t OP_DataOptionsDef, OP_ScreenshotOptionsDef, OP_EraseDataDef;
@@ -1227,9 +1224,9 @@ static menuitem_t OP_SoundOptionsMenu[] =
                               NULL, "CD Volume"    , &cd_volume,          40},
 #endif
 
-	{IT_STRING    | IT_CALL,  NULL,  "Toggle SFX"   , M_ToggleSFX,        50},
-	{IT_STRING    | IT_CALL,  NULL,  "Toggle Digital Music", M_ToggleDigital,     60},
-	{IT_STRING    | IT_CALL,  NULL,  "Toggle MIDI Music", M_ToggleMIDI,        70},
+	{IT_STRING | IT_CVAR,  NULL,  "SFX"   , &cv_gamesounds,        50},
+	{IT_STRING | IT_CVAR,  NULL,  "Digital Music", &cv_gamedigimusic,     60},
+	{IT_STRING | IT_CVAR,  NULL,  "MIDI Music", &cv_gamemidimusic,        70},
 };
 
 static menuitem_t OP_DataOptionsMenu[] =
@@ -6048,7 +6045,7 @@ void M_SortServerList(void)
 
 #ifndef NONET
 #ifdef UPDATE_ALERT
-static int M_CheckMODVersion(void)
+static boolean M_CheckMODVersion(void)
 {
 	char updatestring[500];
 	const char *updatecheck = GetMODVersion();
@@ -6943,92 +6940,6 @@ static void M_ChangeControl(INT32 choice)
 	M_StartMessage(tmp, M_ChangecontrolResponse, MM_EVENTHANDLER);
 }
 
-// =====
-// SOUND
-// =====
-
-// Toggles sound systems in-game.
-static void M_ToggleSFX(void)
-{
-	if (nosound)
-	{
-		nosound = false;
-		I_StartupSound();
-		if (nosound) return;
-		S_Init(cv_soundvolume.value, cv_digmusicvolume.value, cv_midimusicvolume.value);
-		M_StartMessage(M_GetText("SFX Enabled\n"), NULL, MM_NOTHING);
-	}
-	else
-	{
-		if (sound_disabled)
-		{
-			sound_disabled = false;
-			M_StartMessage(M_GetText("SFX Enabled\n"), NULL, MM_NOTHING);
-		}
-		else
-		{
-			sound_disabled = true;
-			S_StopSounds();
-			M_StartMessage(M_GetText("SFX Disabled\n"), NULL, MM_NOTHING);
-		}
-	}
-}
-
-static void M_ToggleDigital(void)
-{
-	if (nodigimusic)
-	{
-		nodigimusic = false;
-		I_InitDigMusic();
-		if (nodigimusic) return;
-		S_Init(cv_soundvolume.value, cv_digmusicvolume.value, cv_midimusicvolume.value);
-		S_StopMusic();
-		S_ChangeMusicInternal("lclear", false);
-		M_StartMessage(M_GetText("Digital Music Enabled\n"), NULL, MM_NOTHING);
-	}
-	else
-	{
-		if (digital_disabled)
-		{
-			digital_disabled = false;
-			M_StartMessage(M_GetText("Digital Music Enabled\n"), NULL, MM_NOTHING);
-		}
-		else
-		{
-			digital_disabled = true;
-			S_StopMusic();
-			M_StartMessage(M_GetText("Digital Music Disabled\n"), NULL, MM_NOTHING);
-		}
-	}
-}
-
-static void M_ToggleMIDI(void)
-{
-	if (nomidimusic)
-	{
-		nomidimusic = false;
-		I_InitMIDIMusic();
-		if (nomidimusic) return;
-		S_Init(cv_soundvolume.value, cv_digmusicvolume.value, cv_midimusicvolume.value);
-		S_ChangeMusicInternal("lclear", false);
-		M_StartMessage(M_GetText("MIDI Music Enabled\n"), NULL, MM_NOTHING);
-	}
-	else
-	{
-		if (music_disabled)
-		{
-			music_disabled = false;
-			M_StartMessage(M_GetText("MIDI Music Enabled\n"), NULL, MM_NOTHING);
-		}
-		else
-		{
-			music_disabled = true;
-			S_StopMusic();
-			M_StartMessage(M_GetText("MIDI Music Disabled\n"), NULL, MM_NOTHING);
-		}
-	}
-}
-
 // ===============
 // VIDEO MODE MENU
 // ===============
diff --git a/src/m_menu.h b/src/m_menu.h
index 4d6e2fac59cf605a6a0ae054252e4d9426b485d2..de76a2710dd0b68480f31b9e1b4167603da33911 100644
--- a/src/m_menu.h
+++ b/src/m_menu.h
@@ -3,7 +3,7 @@
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
 // Copyright (C) 2011-2016 by Matthew "Inuyasha" Walsh.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/m_misc.c b/src/m_misc.c
index 5c4e7f2f943c0e0e33d1d147d66c5d4659430e8b..cd87c98491e16dd94495e458c21348871c27499b 100644
--- a/src/m_misc.c
+++ b/src/m_misc.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -58,7 +58,7 @@ typedef off_t off64_t;
 
 #if defined(__MINGW32__) && ((__GNUC__ > 7) || (__GNUC__ == 6 && __GNUC_MINOR__ >= 3))
 #define PRIdS "u"
-#elif defined (_WIN32) 
+#elif defined (_WIN32)
 #define PRIdS "Iu"
 #elif defined (_PSP) || defined (_arch_dreamcast) || defined (DJGPP) || defined (_WII) || defined (_NDS) || defined (_PS3)
 #define PRIdS "u"
@@ -646,11 +646,11 @@ static void M_PNGhdr(png_structp png_ptr, png_infop png_info_ptr, PNG_CONST png_
 static void M_PNGText(png_structp png_ptr, png_infop png_info_ptr, PNG_CONST png_byte movie)
 {
 #ifdef PNG_TEXT_SUPPORTED
-#define SRB2PNGTXT 10 //PNG_KEYWORD_MAX_LENGTH(79) is the max
+#define SRB2PNGTXT 11 //PNG_KEYWORD_MAX_LENGTH(79) is the max
 	png_text png_infotext[SRB2PNGTXT];
 	char keytxt[SRB2PNGTXT][12] = {
 	"Title", "Description", "Playername", "Mapnum", "Mapname",
-	"Location", "Interface", "Revision", "Build Date", "Build Time"};
+	"Location", "Interface", "Render Mode", "Revision", "Build Date", "Build Time"};
 	char titletxt[] = "Sonic Robo Blast 2 " VERSIONSTRING;
 	png_charp playertxt =  cv_playername.zstring;
 	char desctxt[] = "SRB2 Screenshot";
@@ -666,6 +666,7 @@ static void M_PNGText(png_structp png_ptr, png_infop png_info_ptr, PNG_CONST png
 #else
 	 "Unknown";
 #endif
+	char rendermodetxt[9];
 	char maptext[8];
 	char lvlttltext[48];
 	char locationtxt[40];
@@ -673,6 +674,19 @@ static void M_PNGText(png_structp png_ptr, png_infop png_info_ptr, PNG_CONST png
 	char ctdate[40];
 	char cttime[40];
 
+	switch (rendermode)
+	{
+		case render_soft:
+			strcpy(rendermodetxt, "Software");
+			break;
+		case render_opengl:
+			strcpy(rendermodetxt, "OpenGL");
+			break;
+		default: // Just in case
+			strcpy(rendermodetxt, "None");
+			break;
+	}
+
 	if (gamestate == GS_LEVEL)
 		snprintf(maptext, 8, "%s", G_BuildMapName(gamemap));
 	else
@@ -710,9 +724,10 @@ static void M_PNGText(png_structp png_ptr, png_infop png_info_ptr, PNG_CONST png
 	png_infotext[4].text = lvlttltext;
 	png_infotext[5].text = locationtxt;
 	png_infotext[6].text = interfacetxt;
-	png_infotext[7].text = strncpy(ctrevision, comprevision, sizeof(ctrevision)-1);
-	png_infotext[8].text = strncpy(ctdate, compdate, sizeof(ctdate)-1);
-	png_infotext[9].text = strncpy(cttime, comptime, sizeof(cttime)-1);
+	png_infotext[7].text = rendermodetxt;
+	png_infotext[8].text = strncpy(ctrevision, comprevision, sizeof(ctrevision)-1);
+	png_infotext[9].text = strncpy(ctdate, compdate, sizeof(ctdate)-1);
+	png_infotext[10].text = strncpy(cttime, comptime, sizeof(cttime)-1);
 
 	png_set_text(png_ptr, png_info_ptr, png_infotext, SRB2PNGTXT);
 #undef SRB2PNGTXT
diff --git a/src/m_misc.h b/src/m_misc.h
index dc540dc16325ffca245ba194393463067823c083..7dd8baabf2d82713178c3c49f5f0329ecd909eb4 100644
--- a/src/m_misc.h
+++ b/src/m_misc.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -19,6 +19,7 @@
 #include "tables.h"
 
 #include "d_event.h" // Screenshot responder
+#include "command.h"
 
 typedef enum {
 	MM_OFF = 0,
@@ -28,6 +29,12 @@ typedef enum {
 } moviemode_t;
 extern moviemode_t moviemode;
 
+extern consvar_t cv_screenshot_option, cv_screenshot_folder;
+extern consvar_t cv_moviemode;
+extern consvar_t cv_zlib_memory, cv_zlib_level, cv_zlib_strategy, cv_zlib_window_bits;
+extern consvar_t cv_zlib_memorya, cv_zlib_levela, cv_zlib_strategya, cv_zlib_window_bitsa;
+extern consvar_t cv_apng_delay;
+
 void M_StartMovie(void);
 void M_SaveFrame(void);
 void M_StopMovie(void);
diff --git a/src/m_queue.c b/src/m_queue.c
index daa7d7a241f9b54d04b3a3a18a737c689450d869..a3aa04871de0c444569ac237d78dc5b02eced8f7 100644
--- a/src/m_queue.c
+++ b/src/m_queue.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2003      by James Haley
-// Copyright (C) 2003-2016 by Sonic Team Junior.
+// Copyright (C) 2003-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/m_queue.h b/src/m_queue.h
index 7e0d58d396c9004370c9a715c9ddce6bd637288d..eebb21468e6651cc25338c357d3771eb451ec124 100644
--- a/src/m_queue.h
+++ b/src/m_queue.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2003      by James Haley
-// Copyright (C) 2003-2016 by Sonic Team Junior.
+// Copyright (C) 2003-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/m_random.c b/src/m_random.c
index 839b06e40c901b75ae98c86237a18ba09e6c9ad1..3d46f76b725e8d10be5a34e3661aba8a32595e96 100644
--- a/src/m_random.c
+++ b/src/m_random.c
@@ -3,7 +3,7 @@
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
 // Copyright (C) 2012-2016 by Matthew "Inuyasha" Walsh.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/m_random.h b/src/m_random.h
index 76dd9f1db5c6767c103b74752afe520d4e6ecde6..6187bcf1ce789dde3dbf7d66c8d3442c956df81a 100644
--- a/src/m_random.h
+++ b/src/m_random.h
@@ -3,7 +3,7 @@
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
 // Copyright (C) 2012-2016 by Matthew "Inuyasha" Walsh.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/m_swap.h b/src/m_swap.h
index 2352a0b2325ead9feb571c38b8707b02e9e0e89d..2d42f6138efda6115d1d0527877ddb55a983d79a 100644
--- a/src/m_swap.h
+++ b/src/m_swap.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/mserv.c b/src/mserv.c
index 2bb2923d7a86467d6caa939a2bd1e9a4c1d809f0..3fbb637601f1bbd27add6ef6d85fd028ba8551ca 100644
--- a/src/mserv.c
+++ b/src/mserv.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -206,7 +206,7 @@ static void ServerName_OnChange(void);
 
 #define DEF_PORT "28900"
 consvar_t cv_masterserver = {"masterserver", "ms.srb2.org:"DEF_PORT, CV_SAVE, NULL, MasterServer_OnChange, 0, NULL, NULL, 0, 0, NULL};
-consvar_t cv_servername = {"servername", "SRB2 server", CV_SAVE, NULL, ServerName_OnChange, 0, NULL, NULL, 0, 0, NULL};
+consvar_t cv_servername = {"servername", "SRB2 server", CV_SAVE|CV_CALL|CV_NOINIT, NULL, ServerName_OnChange, 0, NULL, NULL, 0, 0, NULL};
 
 INT16 ms_RoomId = -1;
 
@@ -557,9 +557,21 @@ const char *GetMODVersion(void)
 	msg.room = MODID; // Might as well use it for something.
 	sprintf(msg.buffer,"%d",MODVERSION);
 	if (MS_Write(&msg) < 0)
+	{
+		CONS_Alert(CONS_ERROR, M_GetText("Could not send to the Master Server\n"));
+		M_StartMessage(M_GetText("Could not send to the Master Server\n"), NULL, MM_NOTHING);
+		CloseConnection();
 		return NULL;
+	}
+
+	if (MS_Read(&msg) < 0)
+	{
+		CONS_Alert(CONS_ERROR, M_GetText("No reply from the Master Server\n"));
+		M_StartMessage(M_GetText("No reply from the Master Server\n"), NULL, MM_NOTHING);
+		CloseConnection();
+		return NULL;
+	}
 
-	MS_Read(&msg);
 	CloseConnection();
 
 	if(strcmp(msg.buffer,"NULL") != 0)
@@ -587,9 +599,19 @@ void GetMODVersion_Console(void)
 	msg.room = MODID; // Might as well use it for something.
 	sprintf(msg.buffer,"%d",MODVERSION);
 	if (MS_Write(&msg) < 0)
+	{
+		CONS_Alert(CONS_ERROR, M_GetText("Could not send to the Master Server\n"));
+		CloseConnection();
 		return;
+	}
+
+	if (MS_Read(&msg) < 0)
+	{
+		CONS_Alert(CONS_ERROR, M_GetText("No reply from the Master Server\n"));
+		CloseConnection();
+		return;
+	}
 
-	MS_Read(&msg);
 	CloseConnection();
 
 	if(strcmp(msg.buffer,"NULL") != 0)
@@ -956,8 +978,8 @@ void MasterClient_Ticker(void)
 
 static void ServerName_OnChange(void)
 {
-	UnregisterServer();
-	RegisterServer();
+	if (con_state == MSCS_REGISTERED)
+		AddToMasterServer(false);
 }
 
 static void MasterServer_OnChange(void)
diff --git a/src/mserv.h b/src/mserv.h
index c28ece2643feed52013b03976a69ae53796ca543..09cd4f0895f313afb9fa68549f4f52e001810e69 100644
--- a/src/mserv.h
+++ b/src/mserv.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/nds/i_sound.c b/src/nds/i_sound.c
index 8dea4ad7d494ae78eba6eeefd9a6e0a3e5109184..a17c7f66a24a746e68e78147dc943fd0892c093b 100644
--- a/src/nds/i_sound.c
+++ b/src/nds/i_sound.c
@@ -21,13 +21,14 @@ void I_ShutdownSound(void){}
 //  SFX I/O
 //
 
-INT32 I_StartSound(sfxenum_t id, INT32 vol, INT32 sep, INT32 pitch, INT32 priority)
+INT32 I_StartSound(sfxenum_t id, INT32 vol, INT32 sep, INT32 pitch, INT32 priority, INT32 channel)
 {
 	(void)id;
 	(void)vol;
 	(void)sep;
 	(void)pitch;
 	(void)priority;
+	(void)channel;
 	return -1;
 }
 
diff --git a/src/p_ceilng.c b/src/p_ceilng.c
index 27d7394147c553ce7bf82fe2cd910dbbb80a3757..757edebae120e882c7cfd498f0076b46a4aa36a1 100644
--- a/src/p_ceilng.c
+++ b/src/p_ceilng.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/p_enemy.c b/src/p_enemy.c
index f2e54a5836aacc3dcd7db26b20e6ee1aa58e0e78..7c28854eaad6fad51ff56f0383ab93da5344e281 100644
--- a/src/p_enemy.c
+++ b/src/p_enemy.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/p_floor.c b/src/p_floor.c
index 35c743a07a8ba356c3b2404cfb0a42316e9c0ef7..aca92e09154ad198bfd12f46561883a1de881e13 100644
--- a/src/p_floor.c
+++ b/src/p_floor.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/p_inter.c b/src/p_inter.c
index 407e091fae03403895dd1fbfe94331eccc1ac65e..009a2be1f68f959f149fbf0f250f1bbc6df56e13 100644
--- a/src/p_inter.c
+++ b/src/p_inter.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/p_lights.c b/src/p_lights.c
index 8aa2eedca49c41f877faf74dbb01f0bae23b15d3..2da38d1dc14052a0b8f8b0d528900142e481f3c7 100644
--- a/src/p_lights.c
+++ b/src/p_lights.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/p_local.h b/src/p_local.h
index 1fd7ada04219b928fe1619e2398fb4fef5ba500a..e09b495174c8a65e51a3bcf8953790f4a52ecc37 100644
--- a/src/p_local.h
+++ b/src/p_local.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -68,7 +68,6 @@
 
 // both the head and tail of the thinker list
 extern thinker_t thinkercap;
-extern INT32 runcount;
 
 void P_InitThinkers(void);
 void P_AddThinker(thinker_t *thinker);
diff --git a/src/p_map.c b/src/p_map.c
index f319acea81e126c9b101ddf93af76b0b7f1dd55e..865877c907446d48b380c256f430f8f3871385a8 100644
--- a/src/p_map.c
+++ b/src/p_map.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -1700,18 +1700,6 @@ boolean P_CheckCameraPosition(fixed_t x, fixed_t y, camera_t *thiscam)
 	return true;
 }
 
-//
-// CheckMissileImpact
-//
-static void CheckMissileImpact(mobj_t *mobj)
-{
-	if (!(mobj->flags & MF_MISSILE) || !mobj->target)
-		return;
-
-	if (!mobj->target->player)
-		return;
-}
-
 // The highest the camera will "step up" onto another floor.
 #define MAXCAMERASTEPMOVE MAXSTEPMOVE
 
@@ -1932,11 +1920,7 @@ boolean P_TryMove(mobj_t *thing, fixed_t x, fixed_t y, boolean allowdropoff)
 		}
 
 		if (!P_CheckPosition(thing, tryx, tryy))
-		{
-			if (!P_MobjWasRemoved(thing))
-				CheckMissileImpact(thing);
 			return false; // solid wall or thing
-		}
 
 		if (!(thing->flags & MF_NOCLIP))
 		{
@@ -1962,7 +1946,6 @@ boolean P_TryMove(mobj_t *thing, fixed_t x, fixed_t y, boolean allowdropoff)
 
 			if (tmceilingz - tmfloorz < thing->height)
 			{
-				CheckMissileImpact(thing);
 				if (tmfloorthing)
 					tmhitthing = tmfloorthing;
 				return false; // doesn't fit
@@ -1973,16 +1956,10 @@ boolean P_TryMove(mobj_t *thing, fixed_t x, fixed_t y, boolean allowdropoff)
 			if (thing->eflags & MFE_VERTICALFLIP)
 			{
 				if (thing->z < tmfloorz)
-				{
-					CheckMissileImpact(thing);
 					return false; // mobj must raise itself to fit
-				}
 			}
 			else if (tmceilingz < thingtop)
-			{
-				CheckMissileImpact(thing);
 				return false; // mobj must lower itself to fit
-			}
 
 			// Ramp test
 			if (maxstep > 0 && !(
@@ -2030,7 +2007,6 @@ boolean P_TryMove(mobj_t *thing, fixed_t x, fixed_t y, boolean allowdropoff)
 			{
 				if (thingtop - tmceilingz > maxstep)
 				{
-					CheckMissileImpact(thing);
 					if (tmfloorthing)
 						tmhitthing = tmfloorthing;
 					return false; // too big a step up
@@ -2038,18 +2014,11 @@ boolean P_TryMove(mobj_t *thing, fixed_t x, fixed_t y, boolean allowdropoff)
 			}
 			else if (tmfloorz - thing->z > maxstep)
 			{
-				CheckMissileImpact(thing);
 				if (tmfloorthing)
 					tmhitthing = tmfloorthing;
 				return false; // too big a step up
 			}
 
-			if (tmfloorz > thing->z)
-			{
-				if (thing->flags & MF_MISSILE)
-					CheckMissileImpact(thing);
-			}
-
 			if (!allowdropoff && !(thing->flags & MF_FLOAT) && thing->type != MT_SKIM && !tmfloorthing)
 			{
 				if (thing->eflags & MFE_VERTICALFLIP)
diff --git a/src/p_maputl.c b/src/p_maputl.c
index 46b033386410c2119d1af74292e7684ecfac5e36..1be57399cba4ab3e7e12595adc8988975e08651a 100644
--- a/src/p_maputl.c
+++ b/src/p_maputl.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/p_maputl.h b/src/p_maputl.h
index 3d74e927b3ba44c76585c513dcbd941369c76377..1fcb68d4c7fa44cc62f2755410952121d5d4f475 100644
--- a/src/p_maputl.h
+++ b/src/p_maputl.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/p_mobj.c b/src/p_mobj.c
index 5f85474c65f25a9b50479ecfbe7fff0b4975bb72..7fa781153ebff421416404f5581d20ad0b373219 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -3506,14 +3506,15 @@ boolean P_CameraThinker(player_t *player, camera_t *thiscam, boolean resetcalled
 
 	if (player->pflags & PF_FLIPCAM && !(player->pflags & PF_NIGHTSMODE) && player->mo->eflags & MFE_VERTICALFLIP)
 		postimg = postimg_flip;
-	else if (player->awayviewtics)
+	else if (player->awayviewtics && player->awayviewmobj != NULL)	// Camera must obviously exist
 	{
 		camera_t dummycam;
 		dummycam.subsector = player->awayviewmobj->subsector;
 		dummycam.x = player->awayviewmobj->x;
 		dummycam.y = player->awayviewmobj->y;
 		dummycam.z = player->awayviewmobj->z;
-		dummycam.height = 40*FRACUNIT; // alt view height is 20*FRACUNIT
+		//dummycam.height = 40*FRACUNIT; // alt view height is 20*FRACUNIT
+		dummycam.height = 0;			 // Why? Remote viewpoint cameras have no height.
 		// Are we in water?
 		if (P_CameraCheckWater(&dummycam))
 			postimg = postimg_water;
@@ -3840,7 +3841,8 @@ void P_RecalcPrecipInSector(sector_t *sector)
 //
 void P_NullPrecipThinker(precipmobj_t *mobj)
 {
-	(void)mobj;
+	//(void)mobj;
+	mobj->precipflags &= ~PCF_THUNK;
 }
 
 void P_SnowThinker(precipmobj_t *mobj)
@@ -3860,25 +3862,26 @@ void P_RainThinker(precipmobj_t *mobj)
 	{
 		// cycle through states,
 		// calling action functions at transitions
-		if (mobj->tics > 0 && --mobj->tics == 0)
-		{
-			// you can cycle through multiple states in a tic
-			if (!P_SetPrecipMobjState(mobj, mobj->state->nextstate))
-				return; // freed itself
-		}
+		if (mobj->tics <= 0)
+			return;
+
+		if (--mobj->tics)
+			return;
+
+		if (!P_SetPrecipMobjState(mobj, mobj->state->nextstate))
+			return;
+
+		if (mobj->state != &states[S_RAINRETURN])
+			return;
+
+		mobj->z = mobj->ceilingz;
+		P_SetPrecipMobjState(mobj, S_RAIN1);
 
-		if (mobj->state == &states[S_RAINRETURN])
-		{
-			mobj->z = mobj->ceilingz;
-			P_SetPrecipMobjState(mobj, S_RAIN1);
-		}
 		return;
 	}
 
 	// adjust height
-	mobj->z += mobj->momz;
-
-	if (mobj->z <= mobj->floorz)
+	if ((mobj->z += mobj->momz) <= mobj->floorz)
 	{
 		// no splashes on sky or bottomless pits
 		if (mobj->precipflags & PCF_PIT)
@@ -7926,14 +7929,15 @@ static precipmobj_t *P_SpawnPrecipMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype
 static inline precipmobj_t *P_SpawnRainMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type)
 {
 	precipmobj_t *mo = P_SpawnPrecipMobj(x,y,z,type);
-	mo->thinker.function.acp1 = (actionf_p1)P_RainThinker;
+	mo->precipflags |= PCF_RAIN;
+	//mo->thinker.function.acp1 = (actionf_p1)P_RainThinker;
 	return mo;
 }
 
 static inline precipmobj_t *P_SpawnSnowMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type)
 {
 	precipmobj_t *mo = P_SpawnPrecipMobj(x,y,z,type);
-	mo->thinker.function.acp1 = (actionf_p1)P_SnowThinker;
+	//mo->thinker.function.acp1 = (actionf_p1)P_SnowThinker;
 	return mo;
 }
 
@@ -8228,7 +8232,7 @@ void P_PrecipitationEffects(void)
 	if (!playeringame[displayplayer] || !players[displayplayer].mo)
 		return;
 
-	if (nosound || sound_disabled)
+	if (sound_disabled)
 		return; // Sound off? D'aw, no fun.
 
 	if (players[displayplayer].mo->subsector->sector->ceilingpic == skyflatnum)
diff --git a/src/p_mobj.h b/src/p_mobj.h
index 79cffae894651ef5a0d31f1583b24d748f8f8b14..a15a9fc859e6c03fae4c1790f6d8b6565af406e9 100644
--- a/src/p_mobj.h
+++ b/src/p_mobj.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -252,6 +252,10 @@ typedef enum {
 	PCF_FOF = 4,
 	// Above MOVING FOF (this means we need to keep floorz up to date...)
 	PCF_MOVINGFOF = 8,
+	// Is rain.
+	PCF_RAIN = 16,
+	// Ran the thinker this tic.
+	PCF_THUNK = 32,
 } precipflag_t;
 // Map Object definition.
 typedef struct mobj_s
@@ -441,7 +445,7 @@ boolean P_SupermanLook4Players(mobj_t *actor);
 void P_DestroyRobots(void);
 void P_SnowThinker(precipmobj_t *mobj);
 void P_RainThinker(precipmobj_t *mobj);
-FUNCMATH void P_NullPrecipThinker(precipmobj_t *mobj);
+void P_NullPrecipThinker(precipmobj_t *mobj);
 void P_RemovePrecipMobj(precipmobj_t *mobj);
 void P_SetScale(mobj_t *mobj, fixed_t newscale);
 void P_XYMovement(mobj_t *mo);
diff --git a/src/p_polyobj.c b/src/p_polyobj.c
index 103b1cb3cd2bdc1f0bcb481e834c0bc9d9dc1ea6..8d0f4dab65058150f737784827c74990127046c8 100644
--- a/src/p_polyobj.c
+++ b/src/p_polyobj.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2006      by James Haley
-// Copyright (C) 2006-2016 by Sonic Team Junior.
+// Copyright (C) 2006-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/p_polyobj.h b/src/p_polyobj.h
index 605215c02fe8f1d0fa2aff51262d9fa11f53c650..60e996cae3df4ab656dd014104e092484fcdf788 100644
--- a/src/p_polyobj.h
+++ b/src/p_polyobj.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2006      by James Haley
-// Copyright (C) 2006-2016 by Sonic Team Junior.
+// Copyright (C) 2006-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/p_pspr.h b/src/p_pspr.h
index 2fb232e7382149bd12ba97221b7852a14e4b79c4..16708bcb2a3b19e2f0c23c9b1c90252b8f29579d 100644
--- a/src/p_pspr.h
+++ b/src/p_pspr.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/p_saveg.c b/src/p_saveg.c
index d1ec8e5abfc5aad9cc973265e709723489b2a2c0..c8c38d3cb7de2d13e4b114addd295ccd32f5b645 100644
--- a/src/p_saveg.c
+++ b/src/p_saveg.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -1661,8 +1661,7 @@ static void P_NetArchiveThinkers(void)
 	for (th = thinkercap.next; th != &thinkercap; th = th->next)
 	{
 		if (!(th->function.acp1 == (actionf_p1)P_RemoveThinkerDelayed
-		 || th->function.acp1 == (actionf_p1)P_RainThinker
-		 || th->function.acp1 == (actionf_p1)P_SnowThinker))
+		 || th->function.acp1 == (actionf_p1)P_NullPrecipThinker))
 			numsaved++;
 
 		if (th->function.acp1 == (actionf_p1)P_MobjThinker)
@@ -1671,8 +1670,7 @@ static void P_NetArchiveThinkers(void)
 			continue;
 		}
 #ifdef PARANOIA
-		else if (th->function.acp1 == (actionf_p1)P_RainThinker
-			|| th->function.acp1 == (actionf_p1)P_SnowThinker);
+		else if (th->function.acp1 == (actionf_p1)P_NullPrecipThinker);
 #endif
 		else if (th->function.acp1 == (actionf_p1)T_MoveCeiling)
 		{
diff --git a/src/p_saveg.h b/src/p_saveg.h
index 3670d3503c006066dc1adbfc5342a43ae8faa82d..0992f1185db1fc6c783b909f6c32b142234469d9 100644
--- a/src/p_saveg.h
+++ b/src/p_saveg.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/p_setup.c b/src/p_setup.c
index 17a6797f4c77f5d37b2f54c29f1edcac1b2a8ffb..49b98e7249481adabbd5aa52f21704f72c4a9a9b 100644
--- a/src/p_setup.c
+++ b/src/p_setup.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -451,6 +451,7 @@ static void P_LoadSegs(lumpnum_t lumpnum)
 			//Hurdler: 04/12/2000: for now, only used in hardware mode
 			li->lightmaps = NULL; // list of static lightmap for this seg
 		}
+		li->pv1 = li->pv2 = NULL;
 #endif
 
 		li->angle = (SHORT(ml->angle))<<FRACBITS;
@@ -2476,6 +2477,43 @@ static void P_LoadNightsGhosts(void)
 	free(gpath);
 }
 
+static void P_SetupCamera(void)
+{
+	if (players[displayplayer].mo && (server || addedtogame))
+	{
+		camera.x = players[displayplayer].mo->x;
+		camera.y = players[displayplayer].mo->y;
+		camera.z = players[displayplayer].mo->z;
+		camera.angle = players[displayplayer].mo->angle;
+		camera.subsector = R_PointInSubsector(camera.x, camera.y); // make sure camera has a subsector set -- Monster Iestyn (12/11/18)
+	}
+	else
+	{
+		mapthing_t *thing;
+
+		switch (gametype)
+		{
+		case GT_MATCH:
+		case GT_TAG:
+			thing = deathmatchstarts[0];
+			break;
+
+		default:
+			thing = playerstarts[0];
+			break;
+		}
+
+		if (thing)
+		{
+			camera.x = thing->x;
+			camera.y = thing->y;
+			camera.z = thing->z;
+			camera.angle = FixedAngle((fixed_t)thing->angle << FRACBITS);
+			camera.subsector = R_PointInSubsector(camera.x, camera.y); // make sure camera has a subsector set -- Monster Iestyn (12/11/18)
+		}
+	}
+}
+
 /** Loads a level from a lump or external wad.
   *
   * \param skipprecip If true, don't spawn precipitation.
@@ -2813,37 +2851,7 @@ boolean P_SetupLevel(boolean skipprecip)
 
 	if (!dedicated)
 	{
-		if (players[displayplayer].mo && (server || addedtogame))
-		{
-			camera.x = players[displayplayer].mo->x;
-			camera.y = players[displayplayer].mo->y;
-			camera.z = players[displayplayer].mo->z;
-			camera.angle = players[displayplayer].mo->angle;
-		}
-		else
-		{
-			mapthing_t *thing;
-
-			switch (gametype)
-			{
-			case GT_MATCH:
-			case GT_TAG:
-				thing = deathmatchstarts[0];
-				break;
-
-			default:
-				thing = playerstarts[0];
-				break;
-			}
-
-			if (thing)
-			{
-				camera.x = thing->x;
-				camera.y = thing->y;
-				camera.z = thing->z;
-				camera.angle = FixedAngle((fixed_t)thing->angle << FRACBITS);
-			}
-		}
+		P_SetupCamera();
 
 		if (!cv_cam_height.changed)
 			CV_Set(&cv_cam_height, cv_cam_height.defaultvalue);
diff --git a/src/p_setup.h b/src/p_setup.h
index 3bca11047c7cf43a8fc1dd535de0d23d46ed6d49..add786f49ad1f8bc2c2787c47ad0cefc9eeaba01 100644
--- a/src/p_setup.h
+++ b/src/p_setup.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/p_sight.c b/src/p_sight.c
index bd6ab4d730f308973b011af421f147384ecbd648..626f8bbef331a3ea5f16c90dd3bdde731bd51a14 100644
--- a/src/p_sight.c
+++ b/src/p_sight.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/p_slopes.c b/src/p_slopes.c
index d939fee98b9cb36f015da6cb187131acc6407eb6..2d7f133199308db9e0e1f65fc42428d375b09f36 100644
--- a/src/p_slopes.c
+++ b/src/p_slopes.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2004      by Stephen McGranahan
-// Copyright (C) 2015-2016 by Sonic Team Junior.
+// Copyright (C) 2015-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/p_slopes.h b/src/p_slopes.h
index de38f1d9ed279be0059a8c0a283a337d8e4e7bb8..f083024dd72b121738f2c2de1fac707ee1325033 100644
--- a/src/p_slopes.h
+++ b/src/p_slopes.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2004      by Stephen McGranahan
-// Copyright (C) 2015-2016 by Sonic Team Junior.
+// Copyright (C) 2015-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/p_spec.c b/src/p_spec.c
index c62c3b209579e423e309b48e23982e07486c21f7..198d87e563ace42a5f5fcbd8d53896f8ff0244e4 100644
--- a/src/p_spec.c
+++ b/src/p_spec.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -2039,8 +2039,7 @@ void P_SwitchWeather(INT32 weathernum)
 
 		for (think = thinkercap.next; think != &thinkercap; think = think->next)
 		{
-			if ((think->function.acp1 != (actionf_p1)P_SnowThinker)
-				&& (think->function.acp1 != (actionf_p1)P_RainThinker))
+			if (think->function.acp1 != (actionf_p1)P_NullPrecipThinker)
 				continue; // not a precipmobj thinker
 
 			precipmobj = (precipmobj_t *)think;
@@ -2056,14 +2055,12 @@ void P_SwitchWeather(INT32 weathernum)
 
 		for (think = thinkercap.next; think != &thinkercap; think = think->next)
 		{
+			if (think->function.acp1 != (actionf_p1)P_NullPrecipThinker)
+				continue; // not a precipmobj thinker
+			precipmobj = (precipmobj_t *)think;
+
 			if (swap == PRECIP_RAIN) // Snow To Rain
 			{
-				if (!(think->function.acp1 == (actionf_p1)P_SnowThinker
-					|| think->function.acp1 == (actionf_p1)P_NullPrecipThinker))
-					continue; // not a precipmobj thinker
-
-				precipmobj = (precipmobj_t *)think;
-
 				precipmobj->flags = mobjinfo[MT_RAIN].flags;
 				st = &states[mobjinfo[MT_RAIN].spawnstate];
 				precipmobj->state = st;
@@ -2074,18 +2071,13 @@ void P_SwitchWeather(INT32 weathernum)
 
 				precipmobj->precipflags &= ~PCF_INVISIBLE;
 
-				think->function.acp1 = (actionf_p1)P_RainThinker;
+				precipmobj->precipflags |= PCF_RAIN;
+				//think->function.acp1 = (actionf_p1)P_RainThinker;
 			}
 			else if (swap == PRECIP_SNOW) // Rain To Snow
 			{
 				INT32 z;
 
-				if (!(think->function.acp1 == (actionf_p1)P_RainThinker
-					|| think->function.acp1 == (actionf_p1)P_NullPrecipThinker))
-					continue; // not a precipmobj thinker
-
-				precipmobj = (precipmobj_t *)think;
-
 				precipmobj->flags = mobjinfo[MT_SNOWFLAKE].flags;
 				z = M_RandomByte();
 
@@ -2103,19 +2095,13 @@ void P_SwitchWeather(INT32 weathernum)
 				precipmobj->frame = st->frame;
 				precipmobj->momz = mobjinfo[MT_SNOWFLAKE].speed;
 
-				precipmobj->precipflags &= ~PCF_INVISIBLE;
+				precipmobj->precipflags &= ~(PCF_INVISIBLE|PCF_RAIN);
 
-				think->function.acp1 = (actionf_p1)P_SnowThinker;
+				//think->function.acp1 = (actionf_p1)P_SnowThinker;
 			}
 			else if (swap == PRECIP_BLANK || swap == PRECIP_STORM_NORAIN) // Remove precip, but keep it around for reuse.
 			{
-				if (!(think->function.acp1 == (actionf_p1)P_RainThinker
-					|| think->function.acp1 == (actionf_p1)P_SnowThinker))
-					continue;
-
-				precipmobj = (precipmobj_t *)think;
-
-				think->function.acp1 = (actionf_p1)P_NullPrecipThinker;
+				//think->function.acp1 = (actionf_p1)P_NullPrecipThinker;
 
 				precipmobj->precipflags |= PCF_INVISIBLE;
 			}
diff --git a/src/p_spec.h b/src/p_spec.h
index a8f9ac492988ba927ff4ad4cc5d4c7bb996fe552..17d9c7bd276334d129872b498b5cda5b96e0cf12 100644
--- a/src/p_spec.h
+++ b/src/p_spec.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/p_telept.c b/src/p_telept.c
index 4921040b41f5824409f384357d0e787c2ad390b0..4ca54a8f24315ef9b073520f4247c206bd6d8c37 100644
--- a/src/p_telept.c
+++ b/src/p_telept.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/p_tick.c b/src/p_tick.c
index f4bc59323ff19dd9eef671c88900c1f1299d70fc..89cd218e308686d055ce4dc23903d9433c0fcced 100644
--- a/src/p_tick.c
+++ b/src/p_tick.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -56,12 +56,12 @@ void Command_Numthinkers_f(void)
 		CONS_Printf(M_GetText("numthinkers <#>: Count number of thinkers\n"));
 		CONS_Printf(
 			"\t1: P_MobjThinker\n"
-			"\t2: P_RainThinker\n"
-			"\t3: P_SnowThinker\n"
-			"\t4: P_NullPrecipThinker\n"
-			"\t5: T_Friction\n"
-			"\t6: T_Pusher\n"
-			"\t7: P_RemoveThinkerDelayed\n");
+			/*"\t2: P_RainThinker\n"
+			"\t3: P_SnowThinker\n"*/
+			"\t2: P_NullPrecipThinker\n"
+			"\t3: T_Friction\n"
+			"\t4: T_Pusher\n"
+			"\t5: P_RemoveThinkerDelayed\n");
 		return;
 	}
 
@@ -73,27 +73,27 @@ void Command_Numthinkers_f(void)
 			action = (actionf_p1)P_MobjThinker;
 			CONS_Printf(M_GetText("Number of %s: "), "P_MobjThinker");
 			break;
-		case 2:
+		/*case 2:
 			action = (actionf_p1)P_RainThinker;
 			CONS_Printf(M_GetText("Number of %s: "), "P_RainThinker");
 			break;
 		case 3:
 			action = (actionf_p1)P_SnowThinker;
 			CONS_Printf(M_GetText("Number of %s: "), "P_SnowThinker");
-			break;
-		case 4:
+			break;*/
+		case 2:
 			action = (actionf_p1)P_NullPrecipThinker;
 			CONS_Printf(M_GetText("Number of %s: "), "P_NullPrecipThinker");
 			break;
-		case 5:
+		case 3:
 			action = (actionf_p1)T_Friction;
 			CONS_Printf(M_GetText("Number of %s: "), "T_Friction");
 			break;
-		case 6:
+		case 4:
 			action = (actionf_p1)T_Pusher;
 			CONS_Printf(M_GetText("Number of %s: "), "T_Pusher");
 			break;
-		case 7:
+		case 5:
 			action = (actionf_p1)P_RemoveThinkerDelayed;
 			CONS_Printf(M_GetText("Number of %s: "), "P_RemoveThinkerDelayed");
 			break;
diff --git a/src/p_tick.h b/src/p_tick.h
index 75868fdd8b6b274cedd4d93a268069a63693b488..169c54c8e798f099d7bbca00e720dacdc86f42ef 100644
--- a/src/p_tick.h
+++ b/src/p_tick.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/p_user.c b/src/p_user.c
index 7abf8534756db744e43c7c3cf9daba07bc98e626..1ac2cbd2a9912169be9021df75c67dd9b270c755 100644
--- a/src/p_user.c
+++ b/src/p_user.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -8365,16 +8365,12 @@ boolean P_MoveChaseCamera(player_t *player, camera_t *thiscam, boolean resetcall
 	// Make player translucent if camera is too close (only in single player).
 	if (!(multiplayer || netgame) && !splitscreen)
 	{
-		fixed_t vx = 0, vy = 0;
-		if (player->awayviewtics) {
+		fixed_t vx = thiscam->x, vy = thiscam->y;
+		if (player->awayviewtics && player->awayviewmobj != NULL)		// Camera must obviously exist
+		{
 			vx = player->awayviewmobj->x;
 			vy = player->awayviewmobj->y;
 		}
-		else
-		{
-			vx = thiscam->x;
-			vy = thiscam->y;
-		}
 
 		if (P_AproxDistance(vx - player->mo->x, vy - player->mo->y) < FixedMul(48*FRACUNIT, mo->scale))
 			player->mo->flags2 |= MF2_SHADOW;
@@ -8648,8 +8644,6 @@ void P_DoPityCheck(player_t *player)
 // P_PlayerThink
 //
 
-boolean playerdeadview; // show match/chaos/tag/capture the flag rankings while in death view
-
 void P_PlayerThink(player_t *player)
 {
 	ticcmd_t *cmd;
@@ -8712,8 +8706,9 @@ void P_PlayerThink(player_t *player)
 	if (player->flashcount)
 		player->flashcount--;
 
-	if (player->awayviewtics)
-		player->awayviewtics--;
+	// By the time P_MoveChaseCamera is called, this might be zero. Do not do it here.
+	//if (player->awayviewtics)
+	//	player->awayviewtics--;
 
 	/// \note do this in the cheat code
 	if (player->pflags & PF_NOCLIP)
@@ -8838,10 +8833,6 @@ void P_PlayerThink(player_t *player)
 	if (player->playerstate == PST_DEAD)
 	{
 		player->mo->flags2 &= ~MF2_SHADOW;
-		// show the multiplayer rankings while dead
-		if (player == &players[displayplayer])
-			playerdeadview = true;
-
 		P_DeathThink(player);
 
 		return;
@@ -8862,9 +8853,6 @@ void P_PlayerThink(player_t *player)
 		player->lives = cv_startinglives.value;
 	}
 
-	if (player == &players[displayplayer])
-		playerdeadview = false;
-
 	if ((gametype == GT_RACE || gametype == GT_COMPETITION) && leveltime < 4*TICRATE)
 	{
 		cmd->buttons &= BT_USE; // Remove all buttons except BT_USE
@@ -9498,6 +9486,9 @@ void P_PlayerAfterThink(player_t *player)
 		}
 	}
 
+	if (player->awayviewtics)
+		player->awayviewtics--;
+
 	// spectator invisibility and nogravity.
 	if ((netgame || multiplayer) && player->spectator)
 	{
diff --git a/src/r_bsp.c b/src/r_bsp.c
index abb11204a60233a8e59faf5f6618fc4fe09938b0..3554382725762d074aba48084669bd5693b38467 100644
--- a/src/r_bsp.c
+++ b/src/r_bsp.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -365,6 +365,36 @@ sector_t *R_FakeFlat(sector_t *sec, sector_t *tempsec, INT32 *floorlightlevel,
 	return sec;
 }
 
+boolean R_IsEmptyLine(seg_t *line, sector_t *front, sector_t *back)
+{
+	return (
+#ifdef POLYOBJECTS
+		!line->polyseg &&
+#endif
+		back->ceilingpic == front->ceilingpic
+		&& back->floorpic == front->floorpic
+#ifdef ESLOPE
+		&& back->f_slope == front->f_slope
+		&& back->c_slope == front->c_slope
+#endif
+		&& back->lightlevel == front->lightlevel
+		&& !line->sidedef->midtexture
+		// Check offsets too!
+		&& back->floor_xoffs == front->floor_xoffs
+		&& back->floor_yoffs == front->floor_yoffs
+		&& back->floorpic_angle == front->floorpic_angle
+		&& back->ceiling_xoffs == front->ceiling_xoffs
+		&& back->ceiling_yoffs == front->ceiling_yoffs
+		&& back->ceilingpic_angle == front->ceilingpic_angle
+		// Consider altered lighting.
+		&& back->floorlightsec == front->floorlightsec
+		&& back->ceilinglightsec == front->ceilinglightsec
+		// Consider colormaps
+		&& back->extra_colormap == front->extra_colormap
+		&& ((!front->ffloors && !back->ffloors)
+		|| front->tag == back->tag));
+}
+
 //
 // R_AddLine
 // Clips the given segment and adds any visible pieces to the line list.
@@ -526,36 +556,8 @@ static void R_AddLine(seg_t *line)
 	// Identical floor and ceiling on both sides, identical light levels on both sides,
 	// and no middle texture.
 
-	if (
-#ifdef POLYOBJECTS
-		!line->polyseg &&
-#endif
-		backsector->ceilingpic == frontsector->ceilingpic
-		&& backsector->floorpic == frontsector->floorpic
-#ifdef ESLOPE
-		&& backsector->f_slope == frontsector->f_slope
-		&& backsector->c_slope == frontsector->c_slope
-#endif
-		&& backsector->lightlevel == frontsector->lightlevel
-		&& !curline->sidedef->midtexture
-		// Check offsets too!
-		&& backsector->floor_xoffs == frontsector->floor_xoffs
-		&& backsector->floor_yoffs == frontsector->floor_yoffs
-		&& backsector->floorpic_angle == frontsector->floorpic_angle
-		&& backsector->ceiling_xoffs == frontsector->ceiling_xoffs
-		&& backsector->ceiling_yoffs == frontsector->ceiling_yoffs
-		&& backsector->ceilingpic_angle == frontsector->ceilingpic_angle
-		// Consider altered lighting.
-		&& backsector->floorlightsec == frontsector->floorlightsec
-		&& backsector->ceilinglightsec == frontsector->ceilinglightsec
-		// Consider colormaps
-		&& backsector->extra_colormap == frontsector->extra_colormap
-		&& ((!frontsector->ffloors && !backsector->ffloors)
-		|| frontsector->tag == backsector->tag))
-	{
+	if (R_IsEmptyLine(line, frontsector, backsector))
 		return;
-	}
-
 
 clippass:
 	R_ClipPassWallSegment(x1, x2 - 1);
diff --git a/src/r_bsp.h b/src/r_bsp.h
index e871b5dde5c6ae704b5d772d06371f94e62ad361..e3662e2e6ad23f6c25efed2ceb44f861a2dd15eb 100644
--- a/src/r_bsp.h
+++ b/src/r_bsp.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -50,6 +50,7 @@ extern polyobj_t **po_ptrs; // temp ptr array to sort polyobject pointers
 
 sector_t *R_FakeFlat(sector_t *sec, sector_t *tempsec, INT32 *floorlightlevel,
 	INT32 *ceilinglightlevel, boolean back);
+boolean R_IsEmptyLine(seg_t *line, sector_t *front, sector_t *back);
 
 INT32 R_GetPlaneLight(sector_t *sector, fixed_t planeheight, boolean underside);
 void R_Prep3DFloors(sector_t *sector);
diff --git a/src/r_data.c b/src/r_data.c
index f2c9b1466b0a0961611c69e3cb0d0222ae4b307c..96c89915a6823914964f2b5f97370ade54dece28 100644
--- a/src/r_data.c
+++ b/src/r_data.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/r_data.h b/src/r_data.h
index a656e5db7351137041f85c107c9826b4938b347d..5de51ccd4981708b77614c6af9cb699644dc10ec 100644
--- a/src/r_data.h
+++ b/src/r_data.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/r_defs.h b/src/r_defs.h
index b8c21764ec1ffde78d66138201320a434a47cb1b..b936c7e7d8ea0c7894626458a83f28be97aaecd3 100644
--- a/src/r_defs.h
+++ b/src/r_defs.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -574,6 +574,9 @@ typedef struct seg_s
 	sector_t *backsector;
 
 #ifdef HWRENDER
+	// new pointers so that AdjustSegs doesn't mess with v1/v2
+	void *pv1; // polyvertex_t
+	void *pv2; // polyvertex_t
 	float flength; // length of the seg, used by hardware renderer
 
 	lightmap_t *lightmaps; // for static lightmap
diff --git a/src/r_draw.c b/src/r_draw.c
index c7bd077e406e8695d75ab4b6c4a9c6f017682b6d..bbc9a79b08b1a679833a92b800c59f0937f3bf1d 100644
--- a/src/r_draw.c
+++ b/src/r_draw.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/r_draw.h b/src/r_draw.h
index 6d85bd6a538fec09a225b669dce6f1e54cdab00e..12f556b7ab41ef37097cd403c4d3f7e748074c44 100644
--- a/src/r_draw.h
+++ b/src/r_draw.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -161,6 +161,7 @@ void R_DrawSplat_8(void);
 void R_DrawTranslucentSplat_8(void);
 void R_DrawTranslucentSpan_8(void);
 void R_Draw2sMultiPatchColumn_8(void);
+void R_Draw2sMultiPatchTranslucentColumn_8(void);
 void R_DrawFogSpan_8(void);
 void R_DrawFogColumn_8(void);
 void R_DrawColumnShadowed_8(void);
diff --git a/src/r_draw16.c b/src/r_draw16.c
index a922f4d0a22ad3df383ecc4724f65287fcda2d0a..918dd356c34bd67e0668031d7423164dbb98f301 100644
--- a/src/r_draw16.c
+++ b/src/r_draw16.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/r_draw8.c b/src/r_draw8.c
index 800f28b6be69ca7ad84d4cd0d083089b1ac936e3..886b72daeb71832fdb345ca3e7e32e5a519f506c 100644
--- a/src/r_draw8.c
+++ b/src/r_draw8.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -203,6 +203,103 @@ void R_Draw2sMultiPatchColumn_8(void)
 	}
 }
 
+void R_Draw2sMultiPatchTranslucentColumn_8(void)
+{
+	INT32 count;
+	register UINT8 *dest;
+	register fixed_t frac;
+	fixed_t fracstep;
+
+	count = dc_yh - dc_yl;
+
+	if (count < 0) // Zero length, column does not exceed a pixel.
+		return;
+
+#ifdef RANGECHECK
+	if ((unsigned)dc_x >= (unsigned)vid.width || dc_yl < 0 || dc_yh >= vid.height)
+		return;
+#endif
+
+	// Framebuffer destination address.
+	// Use ylookup LUT to avoid multiply with ScreenWidth.
+	// Use columnofs LUT for subwindows?
+
+	//dest = ylookup[dc_yl] + columnofs[dc_x];
+	dest = &topleft[dc_yl*vid.width + dc_x];
+
+	count++;
+
+	// Determine scaling, which is the only mapping to be done.
+	fracstep = dc_iscale;
+	//frac = dc_texturemid + (dc_yl - centery)*fracstep;
+	frac = (dc_texturemid + FixedMul((dc_yl << FRACBITS) - centeryfrac, fracstep))*(!dc_hires);
+
+	// Inner loop that does the actual texture mapping, e.g. a DDA-like scaling.
+	// This is as fast as it gets.
+	{
+		register const UINT8 *source = dc_source;
+		register const UINT8 *transmap = dc_transmap;
+		register const lighttable_t *colormap = dc_colormap;
+		register INT32 heightmask = dc_texheight-1;
+		register UINT8 val;
+		if (dc_texheight & heightmask)   // not a power of 2 -- killough
+		{
+			heightmask++;
+			heightmask <<= FRACBITS;
+
+			if (frac < 0)
+				while ((frac += heightmask) <  0);
+			else
+				while (frac >= heightmask)
+					frac -= heightmask;
+
+			do
+			{
+				// Re-map color indices from wall texture column
+				//  using a lighting/special effects LUT.
+				// heightmask is the Tutti-Frutti fix
+				val = source[frac>>FRACBITS];
+
+				if (val != TRANSPARENTPIXEL)
+					*dest = *(transmap + (colormap[val]<<8) + (*dest));
+
+				dest += vid.width;
+
+				// Avoid overflow.
+				if (fracstep > 0x7FFFFFFF - frac)
+					frac += fracstep - heightmask;
+				else
+					frac += fracstep;
+
+				while (frac >= heightmask)
+					frac -= heightmask;
+			} while (--count);
+		}
+		else
+		{
+			while ((count -= 2) >= 0) // texture height is a power of 2
+			{
+				val = source[(frac>>FRACBITS) & heightmask];
+				if (val != TRANSPARENTPIXEL)
+					*dest = *(transmap + (colormap[val]<<8) + (*dest));
+				dest += vid.width;
+				frac += fracstep;
+				val = source[(frac>>FRACBITS) & heightmask];
+				if (val != TRANSPARENTPIXEL)
+					*dest = *(transmap + (colormap[val]<<8) + (*dest));
+				dest += vid.width;
+				frac += fracstep;
+			}
+			if (count & 1)
+			{
+				val = source[(frac>>FRACBITS) & heightmask];
+				if (val != TRANSPARENTPIXEL)
+					*dest = *(transmap + (colormap[val]<<8) + (*dest));
+			}
+		}
+	}
+}
+
 /**	\brief The R_DrawShadeColumn_8 function
 	Experiment to make software go faster. Taken from the Boom source
 */
diff --git a/src/r_local.h b/src/r_local.h
index a3dfe7df6a5cccf9f2d53d81d7bc44612755c828..1d3187750ca607111eaacb0a0d41b07f6d1bd2b2 100644
--- a/src/r_local.h
+++ b/src/r_local.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/r_main.c b/src/r_main.c
index f2a0c8894223dbda55bc5b69632cf6f694018d7f..23eff452cf96f9f46c2db5cf084c032280e9ebcf 100644
--- a/src/r_main.c
+++ b/src/r_main.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -60,7 +60,6 @@ fixed_t projectiony; // aspect ratio
 // just for profiling purposes
 size_t framecount;
 
-size_t sscount;
 size_t loopcount;
 
 fixed_t viewx, viewy, viewz;
@@ -222,21 +221,11 @@ static void ChaseCam2_OnChange(void)
 
 static void FlipCam_OnChange(void)
 {
-	if (cv_flipcam.value)
-		players[consoleplayer].pflags |= PF_FLIPCAM;
-	else
-		players[consoleplayer].pflags &= ~PF_FLIPCAM;
-
 	SendWeaponPref();
 }
 
 static void FlipCam2_OnChange(void)
 {
-	if (cv_flipcam2.value)
-		players[secondarydisplayplayer].pflags |= PF_FLIPCAM;
-	else
-		players[secondarydisplayplayer].pflags &= ~PF_FLIPCAM;
-
 	SendWeaponPref2();
 }
 
@@ -492,9 +481,6 @@ static void R_InitTextureMapping(void)
 	// Take out the fencepost cases from viewangletox.
 	for (i = 0; i < FINEANGLES/2; i++)
 	{
-		t = FixedMul(FINETANGENT(i), focallength);
-		t = centerx - t;
-
 		if (viewangletox[i] == -1)
 			viewangletox[i] = 0;
 		else if (viewangletox[i] == viewwidth+1)
@@ -621,7 +607,7 @@ void R_ExecuteSetViewSize(void)
 	if (rendermode == render_soft)
 	{
 		// this is only used for planes rendering in software mode
-		j = viewheight*4;
+		j = viewheight*8;
 		for (i = 0; i < j; i++)
 		{
 			dy = ((i - viewheight*2)<<FRACBITS) + FRACUNIT/2;
@@ -964,10 +950,9 @@ void R_SkyboxFrame(player_t *player)
 	viewsin = FINESINE(viewangle>>ANGLETOFINESHIFT);
 	viewcos = FINECOSINE(viewangle>>ANGLETOFINESHIFT);
 
-	sscount = 0;
-
 	// recalc necessary stuff for mouseaiming
 	// slopes are already calculated for the full possible view (which is 4*viewheight).
+	// 18/08/18: (No it's actually 8*viewheight, thanks MPC aka Jimita for finding this out)
 
 	if (rendermode == render_soft)
 	{
@@ -1089,10 +1074,9 @@ void R_SetupFrame(player_t *player, boolean skybox)
 	viewsin = FINESINE(viewangle>>ANGLETOFINESHIFT);
 	viewcos = FINECOSINE(viewangle>>ANGLETOFINESHIFT);
 
-	sscount = 0;
-
 	// recalc necessary stuff for mouseaiming
 	// slopes are already calculated for the full possible view (which is 4*viewheight).
+	// 18/08/18: (No it's actually 8*viewheight, thanks MPC aka Jimita for finding this out)
 
 	if (rendermode == render_soft)
 	{
diff --git a/src/r_main.h b/src/r_main.h
index 2e768cb9c91cfeff09f67f6ce520427aefc292b1..81fa13dea8da246a0a4ada9c75ab1d59fcf890be 100644
--- a/src/r_main.h
+++ b/src/r_main.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/r_plane.c b/src/r_plane.c
index 2c4a13290c73c7c4eba84a416893cb0f9c336921..b09ac4843b6d63d5e7d574a5dbecf080fd7f06b5 100644
--- a/src/r_plane.c
+++ b/src/r_plane.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -89,7 +89,7 @@ static fixed_t planeheight;
 //                (this is to calculate yslopes only when really needed)
 //                (when mouselookin', yslope is moving into yslopetab)
 //                Check R_SetupFrame, R_SetViewSize for more...
-fixed_t yslopetab[MAXVIDHEIGHT*4];
+fixed_t yslopetab[MAXVIDHEIGHT*8];
 fixed_t *yslope;
 
 fixed_t distscale[MAXVIDWIDTH];
diff --git a/src/r_plane.h b/src/r_plane.h
index 16c8c12a448e6cd5b905b066391404889b0b8eb9..2ab1e83f5a386d612cd62c1f5b0148195803d6c4 100644
--- a/src/r_plane.h
+++ b/src/r_plane.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -75,7 +75,7 @@ extern INT16 *lastopening, *openings;
 extern size_t maxopenings;
 
 extern INT16 floorclip[MAXVIDWIDTH], ceilingclip[MAXVIDWIDTH];
-extern fixed_t frontscale[MAXVIDWIDTH], yslopetab[MAXVIDHEIGHT*4];
+extern fixed_t frontscale[MAXVIDWIDTH], yslopetab[MAXVIDHEIGHT*8];
 extern fixed_t cachedheight[MAXVIDHEIGHT];
 extern fixed_t cacheddistance[MAXVIDHEIGHT];
 extern fixed_t cachedxstep[MAXVIDHEIGHT];
@@ -87,7 +87,7 @@ extern lighttable_t **planezlight;
 extern fixed_t *yslope;
 extern fixed_t distscale[MAXVIDWIDTH];
 
-FUNCMATH void R_InitPlanes(void);
+void R_InitPlanes(void);
 void R_PortalStoreClipValues(INT32 start, INT32 end, INT16 *ceil, INT16 *floor, fixed_t *scale);
 void R_PortalRestoreClipValues(INT32 start, INT32 end, INT16 *ceil, INT16 *floor, fixed_t *scale);
 void R_ClearPlanes(void);
diff --git a/src/r_segs.c b/src/r_segs.c
index 502ff3304dab17ec4f54283608ee33fb74145b60..2122cba172afb955f80a1ffdbf892188c369da6e 100644
--- a/src/r_segs.c
+++ b/src/r_segs.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -271,6 +271,8 @@ static void R_Render2sidedMultiPatchColumn(column_t *column)
 
 		if (colfunc == wallcolfunc)
 			twosmultipatchfunc();
+		else if (colfunc == fuzzcolfunc)
+			twosmultipatchtransfunc();
 		else
 			colfunc();
 	}
@@ -590,8 +592,8 @@ void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2)
 						else
 							rlight->rcolormap = xwalllights[pindex];
 
-						rlight->height += rlight->heightstep;
 						height = rlight->height;
+						rlight->height += rlight->heightstep;
 
 						if (height <= windowtop)
 						{
@@ -743,6 +745,12 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 	// Render FOF sides kinda like normal sides, with the frac and step and everything
 	// NOTE: INT64 instead of fixed_t because overflow concerns
 	INT64         top_frac, top_step, bottom_frac, bottom_step;
+	// skew FOF walls with slopes?
+	boolean	      slopeskew = false;
+	fixed_t       ffloortextureslide = 0;
+	INT32         oldx = -1;
+	fixed_t       left_top, left_bottom; // needed here for slope skewing
+	pslope_t      *skewslope = NULL;
 #endif
 
 	void (*colfunc_2s) (column_t *);
@@ -827,26 +835,21 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 			light = &frontsector->lightlist[i];
 			rlight = &dc_lightlist[p];
 #ifdef ESLOPE
-			if (light->slope) {
-				leftheight = P_GetZAt(light->slope, ds->leftpos.x, ds->leftpos.y);
-				rightheight = P_GetZAt(light->slope, ds->rightpos.x, ds->rightpos.y);
-			} else
-				leftheight = rightheight = light->height;
 
-			if (*pfloor->b_slope) {
-				pfloorleft = P_GetZAt(*pfloor->b_slope, ds->leftpos.x, ds->leftpos.y);
-				pfloorright = P_GetZAt(*pfloor->b_slope, ds->rightpos.x, ds->rightpos.y);
-			} else
-				pfloorleft = pfloorright = *pfloor->bottomheight;
+#define SLOPEPARAMS(slope, end1, end2, normalheight) \
+	if (slope) { \
+		end1 = P_GetZAt(slope, ds->leftpos.x, ds->leftpos.y); \
+		end2 = P_GetZAt(slope, ds->rightpos.x, ds->rightpos.y); \
+	} else \
+		end1 = end2 = normalheight;
+
+			SLOPEPARAMS(light->slope,     leftheight, rightheight, light->height)
+			SLOPEPARAMS(*pfloor->b_slope, pfloorleft, pfloorright, *pfloor->bottomheight)
 
 			if (leftheight < pfloorleft && rightheight < pfloorright)
 				continue;
 
-			if (*pfloor->t_slope) {
-				pfloorleft = P_GetZAt(*pfloor->t_slope, ds->leftpos.x, ds->leftpos.y);
-				pfloorright = P_GetZAt(*pfloor->t_slope, ds->rightpos.x, ds->rightpos.y);
-			} else
-				pfloorleft = pfloorright = *pfloor->topheight;
+			SLOPEPARAMS(*pfloor->t_slope, pfloorleft, pfloorright, *pfloor->topheight)
 
 			if (leftheight > pfloorleft && rightheight > pfloorright && i+1 < dc_numlights)
 			{
@@ -859,17 +862,17 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 			leftheight -= viewz;
 			rightheight -= viewz;
 
-			overflow_test = (INT64)centeryfrac - (((INT64)leftheight*ds->scale1)>>FRACBITS);
-			if (overflow_test < 0) overflow_test = -overflow_test;
-			if ((UINT64)overflow_test&0xFFFFFFFF80000000ULL) continue;
-			overflow_test = (INT64)centeryfrac - (((INT64)rightheight*ds->scale2)>>FRACBITS);
-			if (overflow_test < 0) overflow_test = -overflow_test;
-			if ((UINT64)overflow_test&0xFFFFFFFF80000000ULL) continue;
+#define OVERFLOWTEST(height, scale) \
+	overflow_test = (INT64)centeryfrac - (((INT64)height*scale)>>FRACBITS); \
+	if (overflow_test < 0) overflow_test = -overflow_test; \
+	if ((UINT64)overflow_test&0xFFFFFFFF80000000ULL) continue;
+
+			OVERFLOWTEST(leftheight, ds->scale1)
+			OVERFLOWTEST(rightheight, ds->scale2)
 
 			rlight->height = (centeryfrac) - FixedMul(leftheight, ds->scale1);
 			rlight->heightstep = (centeryfrac) - FixedMul(rightheight, ds->scale2);
 			rlight->heightstep = (rlight->heightstep-rlight->height)/(range);
-			rlight->height -= rlight->heightstep;
 #else
 			if (light->height < *pfloor->bottomheight)
 				continue;
@@ -879,36 +882,28 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 
 			lheight = light->height;// > *pfloor->topheight ? *pfloor->topheight + FRACUNIT : light->height;
 			rlight->heightstep = -FixedMul (rw_scalestep, (lheight - viewz));
-			rlight->height = (centeryfrac) - FixedMul((lheight - viewz), spryscale) - rlight->heightstep;
+			rlight->height = (centeryfrac) - FixedMul((lheight - viewz), spryscale);
 #endif
 			rlight->flags = light->flags;
 			if (light->flags & FF_CUTLEVEL)
 			{
 #ifdef ESLOPE
-				if (*light->caster->b_slope) {
-					leftheight = P_GetZAt(*light->caster->b_slope, ds->leftpos.x, ds->leftpos.y);
-					rightheight = P_GetZAt(*light->caster->b_slope, ds->rightpos.x, ds->rightpos.y);
-				} else
-					leftheight = rightheight = *light->caster->bottomheight;
-
+				SLOPEPARAMS(*light->caster->b_slope, leftheight, rightheight, *light->caster->bottomheight)
+#undef SLOPEPARAMS
 				leftheight -= viewz;
 				rightheight -= viewz;
 
-				overflow_test = (INT64)centeryfrac - (((INT64)leftheight*ds->scale1)>>FRACBITS);
-				if (overflow_test < 0) overflow_test = -overflow_test;
-				if ((UINT64)overflow_test&0xFFFFFFFF80000000ULL) continue;
-				overflow_test = (INT64)centeryfrac - (((INT64)rightheight*ds->scale2)>>FRACBITS);
-				if (overflow_test < 0) overflow_test = -overflow_test;
-				if ((UINT64)overflow_test&0xFFFFFFFF80000000ULL) continue;
+				OVERFLOWTEST(leftheight, ds->scale1)
+				OVERFLOWTEST(rightheight, ds->scale2)
+#undef OVERFLOWTEST
 
 				rlight->botheight = (centeryfrac) - FixedMul(leftheight, ds->scale1);
 				rlight->botheightstep = (centeryfrac) - FixedMul(rightheight, ds->scale2);
 				rlight->botheightstep = (rlight->botheightstep-rlight->botheight)/(range);
-				rlight->botheight -= rlight->botheightstep;
 #else
 				lheight = *light->caster->bottomheight;// > *pfloor->topheight ? *pfloor->topheight + FRACUNIT : *light->caster->bottomheight;
 				rlight->botheightstep = -FixedMul (rw_scalestep, (lheight - viewz));
-				rlight->botheight = (centeryfrac) - FixedMul((lheight - viewz), spryscale) - rlight->botheightstep;
+				rlight->botheight = (centeryfrac) - FixedMul((lheight - viewz), spryscale);
 #endif
 			}
 
@@ -966,21 +961,71 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 	mceilingclip = ds->sprtopclip;
 	dc_texheight = textureheight[texnum]>>FRACBITS;
 
+#ifdef ESLOPE
+	// calculate both left ends
+	if (*pfloor->t_slope)
+		left_top = P_GetZAt(*pfloor->t_slope, ds->leftpos.x, ds->leftpos.y) - viewz;
+	else
+		left_top = *pfloor->topheight - viewz;
+
+	if (*pfloor->b_slope)
+		left_bottom = P_GetZAt(*pfloor->b_slope, ds->leftpos.x, ds->leftpos.y) - viewz;
+	else
+		left_bottom = *pfloor->bottomheight - viewz;
+	skewslope = *pfloor->t_slope; // skew using top slope by default
+	if (newline)
+	{
+		if (newline->flags & ML_DONTPEGTOP)
+			slopeskew = true;
+	}
+	else if (pfloor->master->flags & ML_DONTPEGTOP)
+		slopeskew = true;
+
+	if (slopeskew)
+		dc_texturemid = left_top;
+	else
+#endif
 	dc_texturemid = *pfloor->topheight - viewz;
 
 	if (newline)
 	{
 		offsetvalue = sides[newline->sidenum[0]].rowoffset;
 		if (newline->flags & ML_DONTPEGBOTTOM)
+		{
+#ifdef ESLOPE
+			skewslope = *pfloor->b_slope; // skew using bottom slope
+			if (slopeskew)
+				dc_texturemid = left_bottom;
+			else
+#endif
 			offsetvalue -= *pfloor->topheight - *pfloor->bottomheight;
+		}
 	}
 	else
 	{
 		offsetvalue = sides[pfloor->master->sidenum[0]].rowoffset;
 		if (curline->linedef->flags & ML_DONTPEGBOTTOM)
+		{
+#ifdef ESLOPE
+			skewslope = *pfloor->b_slope; // skew using bottom slope
+			if (slopeskew)
+				dc_texturemid = left_bottom;
+			else
+#endif
 			offsetvalue -= *pfloor->topheight - *pfloor->bottomheight;
+		}
 	}
 
+#ifdef ESLOPE
+	if (slopeskew)
+	{
+		angle_t lineangle = R_PointToAngle2(curline->v1->x, curline->v1->y, curline->v2->x, curline->v2->y);
+
+		if (skewslope)
+			ffloortextureslide = FixedMul(skewslope->zdelta, FINECOSINE((lineangle-skewslope->xydirection)>>ANGLETOFINESHIFT));
+	}
+#endif
+
 	dc_texturemid += offsetvalue;
 
 	// Texture must be cached before setting colfunc_2s,
@@ -999,23 +1044,18 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 #ifdef ESLOPE
 	// Set heights according to plane, or slope, whichever
 	{
-		fixed_t left_top, right_top, left_bottom, right_bottom;
+		fixed_t right_top, right_bottom;
 
+		// calculate right ends now
 		if (*pfloor->t_slope)
-		{
-			left_top = P_GetZAt(*pfloor->t_slope, ds->leftpos.x, ds->leftpos.y) - viewz;
 			right_top = P_GetZAt(*pfloor->t_slope, ds->rightpos.x, ds->rightpos.y) - viewz;
-		}
 		else
-			left_top = right_top = *pfloor->topheight - viewz;
+			right_top = *pfloor->topheight - viewz;
 
 		if (*pfloor->b_slope)
-		{
-			left_bottom = P_GetZAt(*pfloor->b_slope, ds->leftpos.x, ds->leftpos.y) - viewz;
 			right_bottom = P_GetZAt(*pfloor->b_slope, ds->rightpos.x, ds->rightpos.y) - viewz;
-		}
 		else
-			left_bottom = right_bottom = *pfloor->bottomheight - viewz;
+			right_bottom = *pfloor->bottomheight - viewz;
 
 		// using INT64 to avoid 32bit overflow
 		top_frac =    (INT64)centeryfrac - (((INT64)left_top     * ds->scale1) >> FRACBITS);
@@ -1039,33 +1079,35 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 	{
 		if (maskedtexturecol[dc_x] != INT16_MAX)
 		{
-			// SoM: New code does not rely on R_DrawColumnShadowed_8 which
-			// will (hopefully) put less strain on the stack.
-			if (dc_numlights)
-			{
-				lighttable_t **xwalllights;
-				fixed_t height;
-				fixed_t bheight = 0;
-				INT32 solid = 0;
-				INT32 lighteffect = 0;
+#ifdef ESLOPE
+			if (ffloortextureslide) { // skew FOF walls
+				if (oldx != -1)
+					dc_texturemid += FixedMul(ffloortextureslide, (maskedtexturecol[oldx]-maskedtexturecol[dc_x])<<FRACBITS);
+				oldx = dc_x;
+			}
+#endif
+			// Calculate bounds
+			// clamp the values if necessary to avoid overflows and rendering glitches caused by them
 
 #ifdef ESLOPE
-				if      (top_frac > (INT64)CLAMPMAX) sprtopscreen = windowtop = CLAMPMAX;
-				else if (top_frac > (INT64)CLAMPMIN) sprtopscreen = windowtop = (fixed_t)top_frac;
-				else                                 sprtopscreen = windowtop = CLAMPMIN;
-				if      (bottom_frac > (INT64)CLAMPMAX) sprbotscreen = windowbottom = CLAMPMAX;
-				else if (bottom_frac > (INT64)CLAMPMIN) sprbotscreen = windowbottom = (fixed_t)bottom_frac;
-				else                                    sprbotscreen = windowbottom = CLAMPMIN;
+			if      (top_frac > (INT64)CLAMPMAX) sprtopscreen = windowtop = CLAMPMAX;
+			else if (top_frac > (INT64)CLAMPMIN) sprtopscreen = windowtop = (fixed_t)top_frac;
+			else                                 sprtopscreen = windowtop = CLAMPMIN;
+			if      (bottom_frac > (INT64)CLAMPMAX) sprbotscreen = windowbottom = CLAMPMAX;
+			else if (bottom_frac > (INT64)CLAMPMIN) sprbotscreen = windowbottom = (fixed_t)bottom_frac;
+			else                                    sprbotscreen = windowbottom = CLAMPMIN;
 
-				top_frac += top_step;
-				bottom_frac += bottom_step;
+			top_frac += top_step;
+			bottom_frac += bottom_step;
 #else
-				sprtopscreen = windowtop = (centeryfrac - FixedMul((dc_texturemid - offsetvalue), spryscale));
-				sprbotscreen = windowbottom = FixedMul(*pfloor->topheight - *pfloor->bottomheight, spryscale) + sprtopscreen;
+			sprtopscreen = windowtop = (centeryfrac - FixedMul((dc_texturemid - offsetvalue), spryscale));
+			sprbotscreen = windowbottom = FixedMul(*pfloor->topheight - *pfloor->bottomheight, spryscale) + sprtopscreen;
 #endif
 
-				// SoM: If column is out of range, why bother with it??
-				if (windowbottom < topbounds || windowtop > bottombounds)
+			// SoM: If column is out of range, why bother with it??
+			if (windowbottom < topbounds || windowtop > bottombounds)
+			{
+				if (dc_numlights)
 				{
 					for (i = 0; i < dc_numlights; i++)
 					{
@@ -1074,14 +1116,25 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 						if (rlight->flags & FF_CUTLEVEL)
 							rlight->botheight += rlight->botheightstep;
 					}
-					spryscale += rw_scalestep;
-					continue;
 				}
+				spryscale += rw_scalestep;
+				continue;
+			}
 
-				dc_iscale = 0xffffffffu / (unsigned)spryscale;
+			dc_iscale = 0xffffffffu / (unsigned)spryscale;
 
-				// draw the texture
-				col = (column_t *)((UINT8 *)R_GetColumn(texnum,maskedtexturecol[dc_x]) - 3);
+			// Get data for the column
+			col = (column_t *)((UINT8 *)R_GetColumn(texnum,maskedtexturecol[dc_x]) - 3);
+
+			// SoM: New code does not rely on R_DrawColumnShadowed_8 which
+			// will (hopefully) put less strain on the stack.
+			if (dc_numlights)
+			{
+				lighttable_t **xwalllights;
+				fixed_t height;
+				fixed_t bheight = 0;
+				INT32 solid = 0;
+				INT32 lighteffect = 0;
 
 				for (i = 0; i < dc_numlights; i++)
 				{
@@ -1101,7 +1154,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 
 						pindex = FixedMul(spryscale, FixedDiv(640, vid.width))>>LIGHTSCALESHIFT;
 
-						if (pindex >=  MAXLIGHTSCALE)
+						if (pindex >= MAXLIGHTSCALE)
 							pindex = MAXLIGHTSCALE-1;
 
 						if (pfloor->flags & FF_FOG)
@@ -1140,13 +1193,13 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 					else
 						solid = 0;
 
-					rlight->height += rlight->heightstep;
 					height = rlight->height;
+					rlight->height += rlight->heightstep;
 
 					if (solid)
 					{
-						rlight->botheight += rlight->botheightstep;
 						bheight = rlight->botheight - (FRACUNIT >> 1);
+						rlight->botheight += rlight->botheightstep;
 					}
 
 					if (height <= windowtop)
@@ -1162,6 +1215,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 					if (windowbottom >= sprbotscreen)
 					{
 						windowbottom = sprbotscreen;
+						// draw the texture
 						colfunc_2s (col);
 						for (i++; i < dc_numlights; i++)
 						{
@@ -1172,6 +1226,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 						}
 						continue;
 					}
+					// draw the texture
 					colfunc_2s (col);
 					if (solid)
 						windowtop = bheight;
@@ -1181,6 +1236,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 						dc_colormap = rlight->rcolormap;
 				}
 				windowbottom = sprbotscreen;
+				// draw the texture, if there is any space left
 				if (windowtop < windowbottom)
 					colfunc_2s (col);
 
@@ -1195,31 +1251,13 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 				pindex = MAXLIGHTSCALE - 1;
 
 			dc_colormap = walllights[pindex];
-			if (frontsector->extra_colormap)
-				dc_colormap = frontsector->extra_colormap->colormap + (dc_colormap - colormaps);
+
 			if (pfloor->flags & FF_FOG && pfloor->master->frontsector->extra_colormap)
 				dc_colormap = pfloor->master->frontsector->extra_colormap->colormap + (dc_colormap - colormaps);
-
-#ifdef ESLOPE
-			if      (top_frac > (INT64)CLAMPMAX) sprtopscreen = windowtop = CLAMPMAX;
-			else if (top_frac > (INT64)CLAMPMIN) sprtopscreen = windowtop = (fixed_t)top_frac;
-			else                                 sprtopscreen = windowtop = CLAMPMIN;
-			if      (bottom_frac > (INT64)CLAMPMAX) sprbotscreen = windowbottom = CLAMPMAX;
-			else if (bottom_frac > (INT64)CLAMPMIN) sprbotscreen = windowbottom = (fixed_t)bottom_frac;
-			else                                    sprbotscreen = windowbottom = CLAMPMIN;
-
-			top_frac += top_step;
-			bottom_frac += bottom_step;
-#else
-			sprtopscreen = windowtop = (centeryfrac - FixedMul((dc_texturemid - offsetvalue), spryscale));
-			sprbotscreen = windowbottom = FixedMul(*pfloor->topheight - *pfloor->bottomheight, spryscale) + sprtopscreen;
-#endif
-
-			dc_iscale = 0xffffffffu / (unsigned)spryscale;
+			else if (frontsector->extra_colormap)
+				dc_colormap = frontsector->extra_colormap->colormap + (dc_colormap - colormaps);
 
 			// draw the texture
-			col = (column_t *)((UINT8 *)R_GetColumn(texnum,maskedtexturecol[dc_x]) - 3);
-
 			colfunc_2s (col);
 			spryscale += rw_scalestep;
 		}
diff --git a/src/r_segs.h b/src/r_segs.h
index 4187d36e020c093bf42972e12bce85d97b80b56b..92d0100e2ee49765bfe4e733257d72b5122d6bc3 100644
--- a/src/r_segs.h
+++ b/src/r_segs.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/r_sky.c b/src/r_sky.c
index 5162518cba3f4de3d4461700817b916cd1bc9bf9..2df6e4cd8780cac71687eeab2c169808739bd1f9 100644
--- a/src/r_sky.c
+++ b/src/r_sky.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/r_sky.h b/src/r_sky.h
index aa4bda375229f1d127c855a15f8a377f6d54452b..86b615595d22506b99a582e683c4a3f87290f902 100644
--- a/src/r_sky.h
+++ b/src/r_sky.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/r_splats.c b/src/r_splats.c
index f6d7e78f312bc71611014326db1eafb111b2bd67..8d0a84fa4033c3887c6b88e9a9973b6d52082db4 100644
--- a/src/r_splats.c
+++ b/src/r_splats.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/r_splats.h b/src/r_splats.h
index c0ba6881c7b384126796a30b9a9c8b5526419844..387b2958295eaa8f09945c0a2d05b79377627192 100644
--- a/src/r_splats.h
+++ b/src/r_splats.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -63,11 +63,7 @@ typedef struct floorsplat_s
 fixed_t P_SegLength(seg_t *seg);
 
 // call at P_SetupLevel()
-#if !(defined (WALLSPLATS) || defined (FLOORSPLATS))
-FUNCMATH void R_ClearLevelSplats(void);
-#else
 void R_ClearLevelSplats(void);
-#endif
 
 #ifdef WALLSPLATS
 void R_AddWallSplat(line_t *wallline, INT16 sectorside, const char *patchname, fixed_t top,
diff --git a/src/r_state.h b/src/r_state.h
index 49d0457b262c767621dde508f85f3a481a9feb3d..3675d7f2ea7934be2fc755f5fd21e09d9df401ec 100644
--- a/src/r_state.h
+++ b/src/r_state.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -108,7 +108,4 @@ extern angle_t rw_normalangle;
 // angle to line origin
 extern angle_t rw_angle1;
 
-// Segs count?
-extern size_t sscount;
-
 #endif
diff --git a/src/r_things.c b/src/r_things.c
index 0b17641677a6ebaf8d98cd4001654ce928896113..734179f66312d4890bedb07e1afca149f6b06c58 100644
--- a/src/r_things.c
+++ b/src/r_things.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -1451,6 +1451,17 @@ static void R_ProjectPrecipitationSprite(precipmobj_t *thing)
 			return;
 	}
 
+	// okay, we can't return now except for vertical clipping... this is a hack, but weather isn't networked, so it should be ok
+	if (!(thing->precipflags & PCF_THUNK))
+	{
+		if (thing->precipflags & PCF_RAIN)
+			P_RainThinker(thing);
+		else
+			P_SnowThinker(thing);
+		thing->precipflags |= PCF_THUNK;
+	}
+
+
 	//SoM: 3/17/2000: Disregard sprites that are out of view..
 	gzt = thing->z + spritecachedinfo[lump].topoffset;
 	gz = gzt - spritecachedinfo[lump].height;
@@ -1569,8 +1580,10 @@ void R_AddSprites(sector_t *sec, INT32 lightlevel)
 
 			approx_dist = P_AproxDistance(viewx-thing->x, viewy-thing->y);
 
-			if (approx_dist <= limit_dist)
-				R_ProjectSprite(thing);
+			if (approx_dist > limit_dist)
+				continue;
+
+			R_ProjectSprite(thing);
 		}
 	}
 	else
@@ -1591,8 +1604,10 @@ void R_AddSprites(sector_t *sec, INT32 lightlevel)
 
 			approx_dist = P_AproxDistance(viewx-precipthing->x, viewy-precipthing->y);
 
-			if (approx_dist <= limit_dist)
-				R_ProjectPrecipitationSprite(precipthing);
+			if (approx_dist > limit_dist)
+				continue;
+
+			R_ProjectPrecipitationSprite(precipthing);
 		}
 	}
 	else
@@ -2308,7 +2323,7 @@ static void Sk_SetDefaultValue(skin_t *skin)
 
 	strcpy(skin->realname, "Someone");
 	strcpy(skin->hudname, "???");
-	strncpy(skin->charsel, "CHRSONIC", 8);
+	strncpy(skin->charsel, "CHRSONIC", 9);
 	strncpy(skin->face, "MISSING", 8);
 	strncpy(skin->superface, "MISSING", 8);
 
@@ -2369,9 +2384,9 @@ void R_InitSkins(void)
 	strcpy(skin->realname,   "Sonic");
 	strcpy(skin->hudname,    "SONIC");
 
-	strncpy(skin->charsel,   "CHRSONIC", 8);
-	strncpy(skin->face,      "LIVSONIC", 8);
-	strncpy(skin->superface, "LIVSUPER", 8);
+	strncpy(skin->charsel,   "CHRSONIC", 9);
+	strncpy(skin->face,      "LIVSONIC", 9);
+	strncpy(skin->superface, "LIVSUPER", 9);
 	skin->prefcolor = SKINCOLOR_BLUE;
 
 	skin->ability =   CA_THOK;
diff --git a/src/r_things.h b/src/r_things.h
index 483db7e996f7b345c78a55c6396604fbdd65138c..e4a5f426091692febc2a7930671eb6f7c931a658 100644
--- a/src/r_things.h
+++ b/src/r_things.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -75,7 +75,7 @@ typedef struct
 
 	char realname[SKINNAMESIZE+1]; // Display name for level completion.
 	char hudname[SKINNAMESIZE+1]; // HUD name to display (officially exactly 5 characters long)
-	char charsel[8], face[8], superface[8]; // Arbitrarily named patch lumps
+	char charsel[9], face[9], superface[9]; // Arbitrarily named patch lumps
 
 	UINT8 ability; // ability definition
 	UINT8 ability2; // secondary ability definition
diff --git a/src/s_sound.c b/src/s_sound.c
index 76ee4c649242a19e1a65be0188165db313d41ab4..0961a442709f1e73bcc94031d3e4de8e33f313b3 100644
--- a/src/s_sound.c
+++ b/src/s_sound.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -36,6 +36,7 @@ extern INT32 msg_id;
 #include "d_main.h"
 #include "r_sky.h" // skyflatnum
 #include "p_local.h" // camera info
+#include "m_misc.h" // for tunes command
 
 #ifdef HW3SOUND
 // 3D Sound Interface
@@ -46,6 +47,13 @@ static INT32 S_AdjustSoundParams(const mobj_t *listener, const mobj_t *source, I
 
 CV_PossibleValue_t soundvolume_cons_t[] = {{0, "MIN"}, {31, "MAX"}, {0, NULL}};
 static void SetChannelsNum(void);
+static void Command_Tunes_f(void);
+static void Command_RestartAudio_f(void);
+
+// Sound system toggles
+static void GameMIDIMusic_OnChange(void);
+static void GameSounds_OnChange(void);
+static void GameDigiMusic_OnChange(void);
 
 // commands for music and sound servers
 #ifdef MUSSERV
@@ -89,6 +97,12 @@ consvar_t cv_numChannels = {"snd_channels", "32", CV_SAVE|CV_CALL, CV_Unsigned,
 #endif
 
 static consvar_t surround = {"surround", "Off", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
+consvar_t cv_resetmusic = {"resetmusic", "No", CV_SAVE, CV_YesNo, NULL, 0, NULL, NULL, 0, 0, NULL};
+
+// Sound system toggles, saved into the config
+consvar_t cv_gamedigimusic = {"digimusic", "On", CV_SAVE|CV_CALL|CV_NOINIT, CV_OnOff, GameDigiMusic_OnChange, 0, NULL, NULL, 0, 0, NULL};
+consvar_t cv_gamemidimusic = {"midimusic", "On", CV_SAVE|CV_CALL|CV_NOINIT, CV_OnOff, GameMIDIMusic_OnChange, 0, NULL, NULL, 0, 0, NULL};
+consvar_t cv_gamesounds = {"sounds", "On", CV_SAVE|CV_CALL|CV_NOINIT, CV_OnOff, GameSounds_OnChange, 0, NULL, NULL, 0, 0, NULL};
 
 #define S_MAX_VOLUME 127
 
@@ -226,7 +240,7 @@ void S_RegisterSoundStuff(void)
 {
 	if (dedicated)
 	{
-		nosound = true;
+		sound_disabled = true;
 		return;
 	}
 
@@ -243,6 +257,14 @@ void S_RegisterSoundStuff(void)
 #endif
 	CV_RegisterVar(&surround);
 	CV_RegisterVar(&cv_samplerate);
+	CV_RegisterVar(&cv_resetmusic);
+	CV_RegisterVar(&cv_gamesounds);
+	CV_RegisterVar(&cv_gamedigimusic);
+	CV_RegisterVar(&cv_gamemidimusic);
+
+	COM_AddCommand("tunes", Command_Tunes_f);
+	COM_AddCommand("restartaudio", Command_RestartAudio_f);
+
 
 #if defined (macintosh) && !defined (HAVE_SDL) // mp3 playlist stuff
 	{
@@ -400,7 +422,7 @@ void S_StartSoundAtVolume(const void *origin_p, sfxenum_t sfx_id, INT32 volume)
 	mobj_t *listenmobj = players[displayplayer].mo;
 	mobj_t *listenmobj2 = NULL;
 
-	if (sound_disabled || !sound_started || nosound)
+	if (sound_disabled || !sound_started)
 		return;
 
 	// Don't want a sound? Okay then...
@@ -529,7 +551,7 @@ void S_StartSoundAtVolume(const void *origin_p, sfxenum_t sfx_id, INT32 volume)
 
 		// Assigns the handle to one of the channels in the
 		// mix/output buffer.
-		channels[cnum].handle = I_StartSound(sfx_id, volume, sep, pitch, priority);
+		channels[cnum].handle = I_StartSound(sfx_id, volume, sep, pitch, priority, cnum);
 	}
 
 dontplay:
@@ -579,7 +601,7 @@ dontplay:
 
 	// Assigns the handle to one of the channels in the
 	// mix/output buffer.
-	channels[cnum].handle = I_StartSound(sfx_id, volume, sep, pitch, priority);
+	channels[cnum].handle = I_StartSound(sfx_id, volume, sep, pitch, priority, cnum);
 }
 
 void S_StartSound(const void *origin, sfxenum_t sfx_id)
@@ -716,7 +738,7 @@ void S_UpdateSounds(void)
 		return;
 	}
 
-	if (dedicated || nosound)
+	if (dedicated || sound_disabled)
 		return;
 
 	if (players[displayplayer].awayviewtics)
@@ -1151,6 +1173,43 @@ void S_StartSoundName(void *mo, const char *soundname)
 	S_StartSound(mo, soundnum);
 }
 
+//
+// Initializes sound stuff, including volume
+// Sets channels, SFX volume,
+//  allocates channel buffer, sets S_sfx lookup.
+//
+void S_InitSfxChannels(INT32 sfxVolume)
+{
+	INT32 i;
+
+	if (dedicated)
+		return;
+
+	S_SetSfxVolume(sfxVolume);
+
+	SetChannelsNum();
+
+	// Note that sounds have not been cached (yet).
+	for (i = 1; i < NUMSFX; i++)
+	{
+		S_sfx[i].usefulness = -1; // for I_GetSfx()
+		S_sfx[i].lumpnum = LUMPERROR;
+	}
+
+	// precache sounds if requested by cmdline, or precachesound var true
+	if (!sound_disabled && (M_CheckParm("-precachesound") || precachesound.value))
+	{
+		// Initialize external data (all sounds) at start, keep static.
+		CONS_Printf(M_GetText("Loading sounds... "));
+
+		for (i = 1; i < NUMSFX; i++)
+			if (S_sfx[i].name)
+				S_sfx[i].data = I_GetSfx(&S_sfx[i]);
+
+		CONS_Printf(M_GetText(" pre-cached all sound data\n"));
+	}
+}
+
 /// ------------------------
 /// Music
 /// ------------------------
@@ -1177,31 +1236,109 @@ const char *compat_special_music_slots[16] =
 };
 #endif
 
-#define music_playing (music_name[0]) // String is empty if no music is playing
-
 static char      music_name[7]; // up to 6-character name
-static lumpnum_t music_lumpnum; // lump number of music (used??)
-static void     *music_data;    // music raw data
-static INT32     music_handle;  // once registered, the handle for the music
+static void      *music_data;
+static UINT16    music_flags;
+static boolean   music_looping;
+
+/// ------------------------
+/// Music Status
+/// ------------------------
+
+boolean S_DigMusicDisabled(void)
+{
+	return digital_disabled;
+}
+
+boolean S_MIDIMusicDisabled(void)
+{
+	return midi_disabled;
+}
+
+boolean S_MusicDisabled(void)
+{
+	return (midi_disabled && digital_disabled);
+}
+
+boolean S_MusicPlaying(void)
+{
+	return I_SongPlaying();
+}
+
+boolean S_MusicPaused(void)
+{
+	return I_SongPaused();
+}
+
+musictype_t S_MusicType(void)
+{
+	return I_SongType();
+}
+
+boolean S_MusicInfo(char *mname, UINT16 *mflags, boolean *looping)
+{
+	if (!I_SongPlaying())
+		return false;
+
+	strncpy(mname, music_name, 7);
+	mname[6] = 0;
+	*mflags = music_flags;
+	*looping = music_looping;
+
+	return (boolean)mname[0];
+}
+
+boolean S_MusicExists(const char *mname, boolean checkMIDI, boolean checkDigi)
+{
+	return (
+		(checkDigi ? W_CheckNumForName(va("O_%s", mname)) != LUMPERROR : false)
+		|| (checkMIDI ? W_CheckNumForName(va("D_%s", mname)) != LUMPERROR : false)
+	);
+}
 
-static boolean mus_paused     = 0;  // whether songs are mus_paused
+/// ------------------------
+/// Music Effects
+/// ------------------------
 
-static boolean S_MIDIMusic(const char *mname, boolean looping)
+boolean S_SpeedMusic(float speed)
+{
+	return I_SetSongSpeed(speed);
+}
+
+/// ------------------------
+/// Music Playback
+/// ------------------------
+
+static boolean S_LoadMusic(const char *mname)
 {
 	lumpnum_t mlumpnum;
 	void *mdata;
-	INT32 mhandle;
 
-	if (nomidimusic || music_disabled)
-		return false; // didn't search.
+	if (S_MusicDisabled())
+		return false;
 
-	if (W_CheckNumForName(va("d_%s", mname)) == LUMPERROR)
+	if (!S_DigMusicDisabled() && S_DigExists(mname))
+		mlumpnum = W_GetNumForName(va("o_%s", mname));
+	else if (!S_MIDIMusicDisabled() && S_MIDIExists(mname))
+		mlumpnum = W_GetNumForName(va("d_%s", mname));
+	else if (S_DigMusicDisabled() && S_DigExists(mname))
+	{
+		CONS_Alert(CONS_NOTICE, "Digital music is disabled!\n");
+		return false;
+	}
+	else if (S_MIDIMusicDisabled() && S_MIDIExists(mname))
+	{
+		CONS_Alert(CONS_NOTICE, "MIDI music is disabled!\n");
 		return false;
-	mlumpnum = W_GetNumForName(va("d_%s", mname));
+	}
+	else
+	{
+		CONS_Alert(CONS_ERROR, M_GetText("Music lump %.6s not found!\n"), mname);
+		return false;
+	}
 
 	// load & register it
 	mdata = W_CacheLumpNum(mlumpnum, PU_MUSIC);
-	mhandle = I_RegisterSong(mdata, W_LumpLength(mlumpnum));
 
 #ifdef MUSSERV
 	if (msg_id != -1)
@@ -1215,31 +1352,43 @@ static boolean S_MIDIMusic(const char *mname, boolean looping)
 	}
 #endif
 
-	// play it
-	if (!I_PlaySong(mhandle, looping))
+	if (I_LoadSong(mdata, W_LumpLength(mlumpnum)))
+	{
+		strncpy(music_name, mname, 7);
+		music_name[6] = 0;
+		music_data = mdata;
+		return true;
+	}
+	else
 		return false;
+}
 
-	strncpy(music_name, mname, 7);
-	music_name[6] = 0;
-	music_lumpnum = mlumpnum;
-	music_data = mdata;
-	music_handle = mhandle;
-	return true;
+static void S_UnloadMusic(void)
+{
+	I_UnloadSong();
+
+#ifndef HAVE_SDL //SDL uses RWOPS
+	Z_ChangeTag(music_data, PU_CACHE);
+#endif
+	music_data = NULL;
+
+	music_name[0] = 0;
+	music_flags = 0;
+	music_looping = false;
 }
 
-static boolean S_DigMusic(const char *mname, boolean looping)
+static boolean S_PlayMusic(boolean looping)
 {
-	if (nodigimusic || digital_disabled)
-		return false; // try midi
+	if (S_MusicDisabled())
+		return false;
 
-	if (!I_StartDigSong(mname, looping))
+	if (!I_PlaySong(looping))
+	{
+		S_UnloadMusic();
 		return false;
+	}
 
-	strncpy(music_name, mname, 7);
-	music_name[6] = 0;
-	music_lumpnum = LUMPERROR;
-	music_data = NULL;
-	music_handle = 0;
+	S_InitMusicVolume(); // switch between digi and sequence volume
 	return true;
 }
 
@@ -1249,7 +1398,7 @@ void S_ChangeMusic(const char *mmusic, UINT16 mflags, boolean looping)
 	S_ClearSfx();
 #endif
 
-	if ((nomidimusic || music_disabled) && (nodigimusic || digital_disabled))
+	if (S_MusicDisabled())
 		return;
 
 	// No Music (empty string)
@@ -1259,175 +1408,306 @@ void S_ChangeMusic(const char *mmusic, UINT16 mflags, boolean looping)
 		return;
 	}
 
-	if (strncmp(music_name, mmusic, 6))
+	if (strnicmp(music_name, mmusic, 6))
 	{
 		S_StopMusic(); // shutdown old music
-		if (!S_DigMusic(mmusic, looping) && !S_MIDIMusic(mmusic, looping))
+
+		if (!S_LoadMusic(mmusic))
 		{
-			CONS_Alert(CONS_ERROR, M_GetText("Music lump %.6s not found!\n"), mmusic);
+			CONS_Alert(CONS_ERROR, "Music %.6s could not be loaded!\n", mmusic);
+			return;
+		}
+
+		music_flags = mflags;
+		music_looping = looping;
+
+		if (!S_PlayMusic(looping))
+		{
+			CONS_Alert(CONS_ERROR, "Music %.6s could not be played!\n", mmusic);
 			return;
 		}
 	}
 	I_SetSongTrack(mflags & MUSIC_TRACKMASK);
 }
 
-boolean S_SpeedMusic(float speed)
-{
-	return I_SetSongSpeed(speed);
-}
-
 void S_StopMusic(void)
 {
-	if (!music_playing)
+	if (!I_SongPlaying())
 		return;
 
-	if (mus_paused)
-		I_ResumeSong(music_handle);
-
-	if (!nodigimusic)
-		I_StopDigSong();
+	if (I_SongPaused())
+		I_ResumeSong();
 
 	S_SpeedMusic(1.0f);
-	I_StopSong(music_handle);
-	I_UnRegisterSong(music_handle);
+	I_StopSong();
+	S_UnloadMusic(); // for now, stopping also means you unload the song
+}
 
-#ifndef HAVE_SDL //SDL uses RWOPS
-	Z_ChangeTag(music_data, PU_CACHE);
-#endif
+//
+// Stop and resume music, during game PAUSE.
+//
+void S_PauseAudio(void)
+{
+	if (I_SongPlaying() && !I_SongPaused())
+		I_PauseSong();
 
-	music_data = NULL;
-	music_name[0] = 0;
+	// pause cd music
+#if (defined (__unix__) && !defined (MSDOS)) || defined (UNIXCOMMON) || defined (HAVE_SDL)
+	I_PauseCD();
+#else
+	I_StopCD();
+#endif
 }
 
-void S_SetDigMusicVolume(INT32 volume)
+void S_ResumeAudio(void)
 {
-	if (volume < 0 || volume > 31)
-		CONS_Alert(CONS_WARNING, "musicvolume should be between 0-31\n");
-
-	CV_SetValue(&cv_digmusicvolume, volume&31);
-	actualdigmusicvolume = cv_digmusicvolume.value;   //check for change of var
+	if (I_SongPlaying() && I_SongPaused())
+		I_ResumeSong();
 
-#ifdef DJGPPDOS
-	I_SetDigMusicVolume(31); // Trick for buggy dos drivers. Win32 doesn't need this.
-#endif
-	I_SetDigMusicVolume(volume&31);
+	// resume cd music
+	I_ResumeCD();
 }
 
-void S_SetMIDIMusicVolume(INT32 volume)
+void S_SetMusicVolume(INT32 digvolume, INT32 seqvolume)
 {
-	if (volume < 0 || volume > 31)
-		CONS_Alert(CONS_WARNING, "musicvolume should be between 0-31\n");
+	if (digvolume < 0)
+		digvolume = cv_digmusicvolume.value;
+	if (seqvolume < 0)
+		seqvolume = cv_midimusicvolume.value;
+
+	if (digvolume < 0 || digvolume > 31)
+		CONS_Alert(CONS_WARNING, "digmusicvolume should be between 0-31\n");
+	CV_SetValue(&cv_digmusicvolume, digvolume&31);
+	actualdigmusicvolume = cv_digmusicvolume.value;   //check for change of var
 
-	CV_SetValue(&cv_midimusicvolume, volume&0x1f);
+	if (seqvolume < 0 || seqvolume > 31)
+		CONS_Alert(CONS_WARNING, "midimusicvolume should be between 0-31\n");
+	CV_SetValue(&cv_midimusicvolume, seqvolume&31);
 	actualmidimusicvolume = cv_midimusicvolume.value;   //check for change of var
 
 #ifdef DJGPPDOS
-	I_SetMIDIMusicVolume(31); // Trick for buggy dos drivers. Win32 doesn't need this.
+	digvolume = seqvolume = 31;
 #endif
-	I_SetMIDIMusicVolume(volume&0x1f);
+
+	switch(I_SongType())
+	{
+		case MU_MID:
+		//case MU_MOD:
+		//case MU_GME:
+			I_SetMusicVolume(seqvolume&31);
+			break;
+		default:
+			I_SetMusicVolume(digvolume&31);
+			break;
+	}
 }
 
+
 /// ------------------------
 /// Init & Others
 /// ------------------------
 
 //
-// Initializes sound stuff, including volume
-// Sets channels, SFX and music volume,
-//  allocates channel buffer, sets S_sfx lookup.
+// Per level startup code.
+// Kills playing sounds at start of level,
+//  determines music if any, changes music.
 //
-void S_Init(INT32 sfxVolume, INT32 digMusicVolume, INT32 midiMusicVolume)
+void S_Start(void)
 {
-	INT32 i;
+	if (mapmusflags & MUSIC_RELOADRESET)
+	{
+		strncpy(mapmusname, mapheaderinfo[gamemap-1]->musname, 7);
+		mapmusname[6] = 0;
+		mapmusflags = (mapheaderinfo[gamemap-1]->mustrack & MUSIC_TRACKMASK);
+	}
 
-	if (dedicated)
-		return;
+	if (cv_resetmusic.value)
+		S_StopMusic();
+	S_ChangeMusic(mapmusname, mapmusflags, true);
+}
 
-	S_SetSfxVolume(sfxVolume);
-	S_SetDigMusicVolume(digMusicVolume);
-	S_SetMIDIMusicVolume(midiMusicVolume);
+static void Command_Tunes_f(void)
+{
+	const char *tunearg;
+	UINT16 tunenum, track = 0;
+	const size_t argc = COM_Argc();
 
-	SetChannelsNum();
+	if (argc < 2) //tunes slot ...
+	{
+		CONS_Printf("tunes <name/num> [track] [speed] / <-show> / <-default> / <-none>:\n");
+		CONS_Printf(M_GetText("Play an arbitrary music lump. If a map number is used, 'MAP##M' is played.\n"));
+		CONS_Printf(M_GetText("If the format supports multiple songs, you can specify which one to play.\n\n"));
+		CONS_Printf(M_GetText("* With \"-show\", shows the currently playing tune and track.\n"));
+		CONS_Printf(M_GetText("* With \"-default\", returns to the default music for the map.\n"));
+		CONS_Printf(M_GetText("* With \"-none\", any music playing will be stopped.\n"));
+		return;
+	}
 
-	// no sounds are playing, and they are not mus_paused
-	mus_paused = 0;
+	tunearg = COM_Argv(1);
+	tunenum = (UINT16)atoi(tunearg);
+	track = 0;
 
-	// Note that sounds have not been cached (yet).
-	for (i = 1; i < NUMSFX; i++)
+	if (!strcasecmp(tunearg, "-show"))
 	{
-		S_sfx[i].usefulness = -1; // for I_GetSfx()
-		S_sfx[i].lumpnum = LUMPERROR;
+		CONS_Printf(M_GetText("The current tune is: %s [track %d]\n"),
+			mapmusname, (mapmusflags & MUSIC_TRACKMASK));
+		return;
 	}
+	if (!strcasecmp(tunearg, "-none"))
+	{
+		S_StopMusic();
+		return;
+	}
+	else if (!strcasecmp(tunearg, "-default"))
+	{
+		tunearg = mapheaderinfo[gamemap-1]->musname;
+		track = mapheaderinfo[gamemap-1]->mustrack;
+	}
+	else if (!tunearg[2] && toupper(tunearg[0]) >= 'A' && toupper(tunearg[0]) <= 'Z')
+		tunenum = (UINT16)M_MapNumber(tunearg[0], tunearg[1]);
 
-	// precache sounds if requested by cmdline, or precachesound var true
-	if (!nosound && (M_CheckParm("-precachesound") || precachesound.value))
+	if (tunenum && tunenum >= 1036)
 	{
-		// Initialize external data (all sounds) at start, keep static.
-		CONS_Printf(M_GetText("Loading sounds... "));
+		CONS_Alert(CONS_NOTICE, M_GetText("Valid music slots are 1 to 1035.\n"));
+		return;
+	}
+	if (!tunenum && strlen(tunearg) > 6) // This is automatic -- just show the error just in case
+		CONS_Alert(CONS_NOTICE, M_GetText("Music name too long - truncated to six characters.\n"));
 
-		for (i = 1; i < NUMSFX; i++)
-			if (S_sfx[i].name)
-				S_sfx[i].data = I_GetSfx(&S_sfx[i]);
+	if (argc > 2)
+		track = (UINT16)atoi(COM_Argv(2))-1;
 
-		CONS_Printf(M_GetText(" pre-cached all sound data\n"));
+	if (tunenum)
+		snprintf(mapmusname, 7, "%sM", G_BuildMapName(tunenum));
+	else
+		strncpy(mapmusname, tunearg, 7);
+	mapmusname[6] = 0;
+	mapmusflags = (track & MUSIC_TRACKMASK);
+
+	S_ChangeMusic(mapmusname, mapmusflags, true);
+
+	if (argc > 3)
+	{
+		float speed = (float)atof(COM_Argv(3));
+		if (speed > 0.0f)
+			S_SpeedMusic(speed);
 	}
 }
 
+static void Command_RestartAudio_f(void)
+{
+	S_StopMusic();
+	S_StopSounds();
+	I_ShutdownMusic();
+	I_ShutdownSound();
+	I_StartupSound();
+	I_InitMusic();
+
+// These must be called or no sound and music until manually set.
+
+	I_SetSfxVolume(cv_soundvolume.value);
+	S_SetMusicVolume(cv_digmusicvolume.value, cv_midimusicvolume.value);
+	if (Playing()) // Gotta make sure the player is in a level
+		P_RestoreMusic(&players[consoleplayer]);
+}
 
-//
-// Per level startup code.
-// Kills playing sounds at start of level,
-//  determines music if any, changes music.
-//
-void S_Start(void)
+void GameSounds_OnChange(void)
 {
-	if (mapmusflags & MUSIC_RELOADRESET)
+	if (M_CheckParm("-nosound"))
+		return;
+
+	if (sound_disabled)
 	{
-		strncpy(mapmusname, mapheaderinfo[gamemap-1]->musname, 7);
-		mapmusname[6] = 0;
-		mapmusflags = (mapheaderinfo[gamemap-1]->mustrack & MUSIC_TRACKMASK);
+		sound_disabled = false;
+		S_InitSfxChannels(cv_soundvolume.value);
+		S_StartSound(NULL, sfx_strpst);
+	}
+	else
+	{
+		sound_disabled = true;
+		S_StopSounds();
 	}
-
-	mus_paused = 0;
-
-	if (cv_resetmusic.value)
-		S_StopMusic();
-	S_ChangeMusic(mapmusname, mapmusflags, true);
 }
 
-//
-// Stop and resume music, during game PAUSE.
-//
-void S_PauseAudio(void)
+void GameDigiMusic_OnChange(void)
 {
-	if (!nodigimusic)
-		I_PauseSong(0);
+	if (M_CheckParm("-nomusic"))
+		return;
+	else if (M_CheckParm("-nodigmusic"))
+		return;
 
-	if (music_playing && !mus_paused)
+	if (digital_disabled)
 	{
-		I_PauseSong(music_handle);
-		mus_paused = true;
+		digital_disabled = false;
+		I_InitMusic();
+		S_StopMusic();
+		if (Playing())
+			P_RestoreMusic(&players[consoleplayer]);
+		else
+			S_ChangeMusicInternal("lclear", false);
 	}
+	else
+	{
+		digital_disabled = true;
+		if (S_MusicType() != MU_MID)
+		{
+			if (midi_disabled)
+				S_StopMusic();
+			else
+			{
+				char mmusic[7];
+				UINT16 mflags;
+				boolean looping;
 
-	// pause cd music
-#if (defined (__unix__) && !defined (MSDOS)) || defined (UNIXCOMMON) || defined (HAVE_SDL)
-	I_PauseCD();
-#else
-	I_StopCD();
-#endif
+				if (S_MusicInfo(mmusic, &mflags, &looping) && S_MIDIExists(mmusic))
+				{
+					S_StopMusic();
+					S_ChangeMusic(mmusic, mflags, looping);
+				}
+				else
+					S_StopMusic();
+			}
+		}
+	}
 }
 
-void S_ResumeAudio(void)
+void GameMIDIMusic_OnChange(void)
 {
-	if (!nodigimusic)
-		I_ResumeSong(0);
-	else
-	if (music_playing && mus_paused)
+	if (M_CheckParm("-nomusic"))
+		return;
+	else if (M_CheckParm("-nomidimusic"))
+		return;
+
+	if (midi_disabled)
 	{
-		I_ResumeSong(music_handle);
-		mus_paused = false;
+		midi_disabled = false;
+		I_InitMusic();
+		if (Playing())
+			P_RestoreMusic(&players[consoleplayer]);
+		else
+			S_ChangeMusicInternal("lclear", false);
 	}
+	else
+	{
+		midi_disabled = true;
+		if (S_MusicType() == MU_MID)
+		{
+			if (digital_disabled)
+				S_StopMusic();
+			else
+			{
+				char mmusic[7];
+				UINT16 mflags;
+				boolean looping;
 
-	// resume cd music
-	I_ResumeCD();
+				if (S_MusicInfo(mmusic, &mflags, &looping) && S_DigExists(mmusic))
+				{
+					S_StopMusic();
+					S_ChangeMusic(mmusic, mflags, looping);
+				}
+				else
+					S_StopMusic();
+			}
+		}
+	}
 }
diff --git a/src/s_sound.h b/src/s_sound.h
index 39ec769a68b6aa13ac4056e26c4edec3c8af59fb..821746074069674ba122908ccd073237787da0fc 100644
--- a/src/s_sound.h
+++ b/src/s_sound.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -14,6 +14,7 @@
 #ifndef __S_SOUND__
 #define __S_SOUND__
 
+#include "i_sound.h" // musictype_t
 #include "sounds.h"
 #include "m_fixed.h"
 #include "command.h"
@@ -25,6 +26,10 @@
 extern consvar_t stereoreverse;
 extern consvar_t cv_soundvolume, cv_digmusicvolume, cv_midimusicvolume;
 extern consvar_t cv_numChannels;
+extern consvar_t cv_resetmusic;
+extern consvar_t cv_gamedigimusic;
+extern consvar_t cv_gamemidimusic;
+extern consvar_t cv_gamesounds;
 
 #ifdef SNDSERV
 extern consvar_t sndserver_cmd, sndserver_arg;
@@ -69,9 +74,9 @@ void S_RegisterSoundStuff(void);
 
 //
 // Initializes sound stuff, including volume
-// Sets channels, SFX and music volume, allocates channel buffer, sets S_sfx lookup.
+// Sets channels, SFX, allocates channel buffer, sets S_sfx lookup.
 //
-void S_Init(INT32 sfxVolume, INT32 digMusicVolume, INT32 midiMusicVolume);
+void S_InitSfxChannels(INT32 sfxVolume);
 
 //
 // Per level startup code.
@@ -97,6 +102,33 @@ void S_StartSoundAtVolume(const void *origin, sfxenum_t sound_id, INT32 volume);
 // Stop sound for thing at <origin>
 void S_StopSound(void *origin);
 
+//
+// Music Status
+//
+
+boolean S_DigMusicDisabled(void);
+boolean S_MIDIMusicDisabled(void);
+boolean S_MusicDisabled(void);
+boolean S_MusicPlaying(void);
+boolean S_MusicPaused(void);
+musictype_t S_MusicType(void);
+boolean S_MusicInfo(char *mname, UINT16 *mflags, boolean *looping);
+boolean S_MusicExists(const char *mname, boolean checkMIDI, boolean checkDigi);
+#define S_DigExists(a) S_MusicExists(a, false, true)
+#define S_MIDIExists(a) S_MusicExists(a, true, false)
+
+
+//
+// Music Properties
+//
+
+// Set Speed of Music
+boolean S_SpeedMusic(float speed);
+
+//
+// Music Routines
+//
+
 // Start music track, arbitrary, given its name, and set whether looping
 // note: music flags 12 bits for tracknum (gme, other formats with more than one track)
 //       13-15 aren't used yet
@@ -104,9 +136,6 @@ void S_StopSound(void *origin);
 #define S_ChangeMusicInternal(a,b) S_ChangeMusic(a,0,b)
 void S_ChangeMusic(const char *mmusic, UINT16 mflags, boolean looping);
 
-// Set Speed of Music
-boolean S_SpeedMusic(float speed);
-
 // Stops the music.
 void S_StopMusic(void);
 
@@ -121,9 +150,11 @@ void S_UpdateSounds(void);
 
 FUNCMATH fixed_t S_CalculateSoundDistance(fixed_t px1, fixed_t py1, fixed_t pz1, fixed_t px2, fixed_t py2, fixed_t pz2);
 
-void S_SetDigMusicVolume(INT32 volume);
-void S_SetMIDIMusicVolume(INT32 volume);
 void S_SetSfxVolume(INT32 volume);
+void S_SetMusicVolume(INT32 digvolume, INT32 seqvolume);
+#define S_SetDigMusicVolume(a) S_SetMusicVolume(a,-1)
+#define S_SetMIDIMusicVolume(a) S_SetMusicVolume(-1,a)
+#define S_InitMusicVolume() S_SetMusicVolume(-1,-1)
 
 INT32 S_OriginPlaying(void *origin);
 INT32 S_IdPlaying(sfxenum_t id);
diff --git a/src/screen.c b/src/screen.c
index 2780edb6088534f7b20a75643179f24e79fdab12..d5beaf360ed35b28bf9128464ac45d2216ead611 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -49,6 +49,7 @@ void (*splatfunc)(void); // span drawer w/ transparency
 void (*basespanfunc)(void); // default span func for color mode
 void (*transtransfunc)(void); // translucent translated column drawer
 void (*twosmultipatchfunc)(void); // for cols with transparent pixels
+void (*twosmultipatchtransfunc)(void); // for cols with transparent pixels AND translucency
 
 // ------------------
 // global video state
@@ -70,11 +71,7 @@ consvar_t cv_scr_depth = {"scr_depth", "16 bits", CV_SAVE, scr_depth_cons_t, NUL
 #endif
 consvar_t cv_renderview = {"renderview", "On", 0, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
 
-#ifdef DIRECTFULLSCREEN
-static FUNCMATH void SCR_ChangeFullscreen (void);
-#else
 static void SCR_ChangeFullscreen (void);
-#endif
 
 consvar_t cv_fullscreen = {"fullscreen", "Yes", CV_SAVE|CV_CALL, CV_YesNo, SCR_ChangeFullscreen, 0, NULL, NULL, 0, 0, NULL};
 
@@ -127,6 +124,7 @@ void SCR_SetMode(void)
 		fuzzcolfunc = R_DrawTranslucentColumn_8;
 		walldrawerfunc = R_DrawWallColumn_8;
 		twosmultipatchfunc = R_Draw2sMultiPatchColumn_8;
+		twosmultipatchtransfunc = R_Draw2sMultiPatchTranslucentColumn_8;
 #ifdef RUSEASM
 		if (R_ASM)
 		{
@@ -282,7 +280,10 @@ void SCR_Recalc(void)
 	vid.fdupy = FixedDiv(vid.height*FRACUNIT, BASEVIDHEIGHT*FRACUNIT);
 
 #ifdef HWRENDER
-	if (rendermode != render_opengl && rendermode != render_none) // This was just placing it incorrectly at non aspect correct resolutions in opengl
+	//if (rendermode != render_opengl && rendermode != render_none) // This was just placing it incorrectly at non aspect correct resolutions in opengl
+	// 13/11/18:
+	// The above is no longer necessary, since we want OpenGL to be just like software now
+	// -- Monster Iestyn
 #endif
 		vid.fdupx = vid.fdupy = (vid.fdupx < vid.fdupy ? vid.fdupx : vid.fdupy);
 
diff --git a/src/screen.h b/src/screen.h
index 2dff4590ed6e35f54682ea5a335063582da2ae48..9ad254d3fcaca0b9dd3eded342ac4937db505e32 100644
--- a/src/screen.h
+++ b/src/screen.h
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -136,6 +136,7 @@ extern void (*basespanfunc)(void);
 extern void (*splatfunc)(void);
 extern void (*transtransfunc)(void);
 extern void (*twosmultipatchfunc)(void);
+extern void (*twosmultipatchtransfunc)(void);
 
 // -----
 // CPUID
diff --git a/src/sdl/CMakeLists.txt b/src/sdl/CMakeLists.txt
index 7f6771262dcbd2415639f41d20ad7a15a3092da4..a3626970e1ef3e951f4edf66ba52e6ed552e7300 100644
--- a/src/sdl/CMakeLists.txt
+++ b/src/sdl/CMakeLists.txt
@@ -3,7 +3,18 @@
 set(SRB2_CONFIG_SDL2_USEMIXER ON CACHE BOOL "Use SDL2_mixer or regular sdl sound")
 
 if(${SRB2_CONFIG_SDL2_USEMIXER})
-	find_package(SDL2_mixer)
+	if(${SRB2_CONFIG_USE_INTERNAL_LIBRARIES})
+		set(SDL2_MIXER_FOUND ON)
+		if(${SRB2_SYSTEM_BITS} EQUAL 64)
+			set(SDL2_MIXER_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/libs/SDL2_mixer/x86_64-w64-mingw32/include/SDL2)
+			set(SDL2_MIXER_LIBRARIES "-L${CMAKE_SOURCE_DIR}/libs/SDL2_mixer/x86_64-w64-mingw32/lib -lSDL2_mixer")
+		else() # 32-bit
+			set(SDL2_MIXER_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/libs/SDL2_mixer/i686-w64-mingw32/include/SDL2)
+			set(SDL2_MIXER_LIBRARIES "-L${CMAKE_SOURCE_DIR}/libs/SDL2_mixer/i686-w64-mingw32/lib -lSDL2_mixer")
+		endif()
+	else()
+		find_package(SDL2_mixer)
+	endif()
 	if(${SDL2_MIXER_FOUND})
 		set(SRB2_HAVE_MIXER ON)
 		set(SRB2_SDL2_SOUNDIMPL mixer_sound.c)
@@ -42,7 +53,18 @@ set(SRB2_SDL2_HEADERS
 source_group("Interface Code" FILES ${SRB2_SDL2_SOURCES} ${SRB2_SDL2_HEADERS})
 
 # Dependency
-find_package(SDL2)
+if(${SRB2_CONFIG_USE_INTERNAL_LIBRARIES})
+	set(SDL2_FOUND ON)
+	if(${SRB2_SYSTEM_BITS} EQUAL 64)
+		set(SDL2_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/libs/SDL2/x86_64-w64-mingw32/include/SDL2)
+		set(SDL2_LIBRARIES "-L${CMAKE_SOURCE_DIR}/libs/SDL2/x86_64-w64-mingw32/lib -lSDL2")
+	else() # 32-bit
+		set(SDL2_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/libs/SDL2/i686-w64-mingw32/include/SDL2)
+		set(SDL2_LIBRARIES "-L${CMAKE_SOURCE_DIR}/libs/SDL2/i686-w64-mingw32/lib -lSDL2")
+	endif()
+else()
+	find_package(SDL2)
+endif()
 
 if(${SDL2_FOUND})
 	set(SRB2_SDL2_TOTAL_SOURCES
@@ -185,7 +207,18 @@ if(${SDL2_FOUND})
 	endif()
 
 	if(MSVC)
-		find_package(SDL2_MAIN REQUIRED)
+		if(${SRB2_CONFIG_USE_INTERNAL_LIBRARIES})
+			set(SDL2_MAIN_FOUND ON)
+			if(${SRB2_SYSTEM_BITS} EQUAL 64)
+				set(SDL2_MAIN_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/libs/SDL2/x86_64-w64-mingw32/include/SDL2)
+				set(SDL2_MAIN_LIBRARIES "-L${CMAKE_SOURCE_DIR}/libs/SDL2/x86_64-w64-mingw32/lib -lSDL2main")
+			else() # 32-bit
+				set(SDL2_MAIN_INCLUDE_DIRS ${CMAKE_SOURCE_DIR}/libs/SDL2/i686-w64-mingw32/include/SDL2)
+				set(SDL2_MAIN_LIBRARIES "-L${CMAKE_SOURCE_DIR}/libs/SDL2/i686-w64-mingw32/lib -lSDL2main")
+			endif()
+		else()
+			find_package(SDL2_MAIN REQUIRED)
+		endif()
 		target_link_libraries(SRB2SDL2 PRIVATE
 			${SDL2_MAIN_LIBRARIES}
 		)
@@ -241,17 +274,49 @@ if(${SDL2_FOUND})
 	if(${CMAKE_SYSTEM} MATCHES Windows)
 		set(win_extra_dll_list "")
 		macro(getwinlib dllname defaultname)
-			find_library(SRB2_SDL2_DLL_${dllname} "${defaultname}")
-			list(APPEND win_extra_dll_list ${SRB2_SDL2_DLL_${dllname}})
+			if(${SRB2_CONFIG_USE_INTERNAL_LIBRARIES})
+				if (${CMAKE_GENERATOR} STREQUAL "MinGW Makefiles")
+					if(${SRB2_SYSTEM_BITS} EQUAL 64)
+						find_library(SRB2_SDL2_DLL_${dllname} "${defaultname}"
+							HINTS ${CMAKE_SOURCE_DIR}/Bin/Resources/x86_64
+							HINTS ${CMAKE_SOURCE_DIR}/libs/SDL2/x86_64-w64-mingw32/bin
+							HINTS ${CMAKE_SOURCE_DIR}/libs/SDL2_mixer/x86_64-w64-mingw32/bin
+						)
+					else()
+						find_library(SRB2_SDL2_DLL_${dllname} "${defaultname}"
+							HINTS ${CMAKE_SOURCE_DIR}/Bin/Resources/i686
+							HINTS ${CMAKE_SOURCE_DIR}/libs/SDL2/i686-w64-mingw32/bin
+							HINTS ${CMAKE_SOURCE_DIR}/libs/SDL2_mixer/i686-w64-mingw32/bin
+						)
+					endif()
+				else()
+					if(${SRB2_SYSTEM_BITS} EQUAL 64)
+						find_library(SRB2_SDL2_DLL_${dllname} "${defaultname}"
+							HINTS ${CMAKE_SOURCE_DIR}/Bin/Resources/x86_64
+							HINTS ${CMAKE_SOURCE_DIR}/libs/SDL2/lib/x64
+							HINTS ${CMAKE_SOURCE_DIR}/libs/SDL2_mixer/lib/x64
+						)
+					else()
+						find_library(SRB2_SDL2_DLL_${dllname} "${defaultname}"
+							HINTS ${CMAKE_SOURCE_DIR}/Bin/Resources/i686
+							HINTS ${CMAKE_SOURCE_DIR}/libs/SDL2/lib/x86
+							HINTS ${CMAKE_SOURCE_DIR}/libs/SDL2_mixer/lib/x86
+						)
+					endif()
+				endif()
+
+				list(APPEND win_extra_dll_list ${SRB2_SDL2_DLL_${dllname}})
+			else()
+				find_library(SRB2_SDL2_DLL_${dllname} "${defaultname}")
+				list(APPEND win_extra_dll_list ${SRB2_SDL2_DLL_${dllname}})
+	endif()
 		endmacro()
 		getwinlib(SDL2 "SDL2.dll")
 		if(${SRB2_CONFIG_SDL2_USEMIXER})
 			getwinlib(SDL2_mixer "SDL2_mixer.dll")
-			getwinlib(libmikmod-2 "libmikmod-2.dll")
 			getwinlib(libogg_0 "libogg-0.dll")
 			getwinlib(libvorbis_0 "libvorbis-0.dll")
 			getwinlib(libvorbisfile_3 "libvorbisfile-3.dll")
-			getwinlib(smpeg2 "smpeg2.dll")
 		endif()
 		if(${SRB2_CONFIG_HAVE_GME})
 			getwinlib(libgme "libgme.dll")
diff --git a/src/sdl/IMG_xpm.c b/src/sdl/IMG_xpm.c
index 8adfd3434f1fa72a2afc59ee3a5059483c5c417c..af76ec1ddd1d2dfe8ee0b02f22293c7db7696cdd 100644
--- a/src/sdl/IMG_xpm.c
+++ b/src/sdl/IMG_xpm.c
@@ -45,9 +45,10 @@
 #if 0
 #include "SDL_image.h"
 #else
-extern SDLCALL int SDLCALL IMG_isXPM(SDL_RWops *src);
-extern SDLCALL SDL_Surface *IMG_LoadXPM_RW(SDL_RWops *src);
-extern SDLCALL SDL_Surface * SDLCALL IMG_ReadXPMFromArray(const char **xpm);
+// SDLCALL terms removed from original SDL_image declarations
+int IMG_isXPM(SDL_RWops *src);
+SDL_Surface *IMG_LoadXPM_RW(SDL_RWops *src);
+SDL_Surface *IMG_ReadXPMFromArray(const char **xpm);
 #define IMG_SetError    SDL_SetError
 #define IMG_GetError    SDL_GetError
 #endif
diff --git a/src/sdl/Srb2SDL-vc10.vcxproj b/src/sdl/Srb2SDL-vc10.vcxproj
index 820192649d981adeaa477f0791d200f46d3ddfe9..467d2829bd0ea2bf051f2392dee78960c285142d 100644
--- a/src/sdl/Srb2SDL-vc10.vcxproj
+++ b/src/sdl/Srb2SDL-vc10.vcxproj
@@ -141,6 +141,7 @@
     <ClInclude Include="..\hardware\hw3dsdrv.h" />
     <ClInclude Include="..\hardware\hw3sound.h" />
     <ClInclude Include="..\hardware\hws_data.h" />
+    <ClInclude Include="..\hardware\hw_clip.h" />
     <ClInclude Include="..\hardware\hw_data.h" />
     <ClInclude Include="..\hardware\hw_defs.h" />
     <ClInclude Include="..\hardware\hw_dll.h" />
@@ -282,6 +283,7 @@
     <ClCompile Include="..\hardware\hw3sound.c" />
     <ClCompile Include="..\hardware\hw_bsp.c" />
     <ClCompile Include="..\hardware\hw_cache.c" />
+    <ClCompile Include="..\hardware\hw_clip.c" />
     <ClCompile Include="..\hardware\hw_draw.c" />
     <ClCompile Include="..\hardware\hw_light.c" />
     <ClCompile Include="..\hardware\hw_main.c" />
diff --git a/src/sdl/Srb2SDL-vc10.vcxproj.filters b/src/sdl/Srb2SDL-vc10.vcxproj.filters
index d04007dd77d026e48e8480bf93a54b86d279b7c5..364deb497fcb48b6e16f6e507060722f27fd6d22 100644
--- a/src/sdl/Srb2SDL-vc10.vcxproj.filters
+++ b/src/sdl/Srb2SDL-vc10.vcxproj.filters
@@ -216,6 +216,9 @@
     <ClInclude Include="..\hardware\hws_data.h">
       <Filter>Hw_Hardware</Filter>
     </ClInclude>
+    <ClInclude Include="..\hardware\hw_clip.h">
+      <Filter>Hw_Hardware</Filter>
+    </ClInclude>
     <ClInclude Include="..\hardware\hw_data.h">
       <Filter>Hw_Hardware</Filter>
     </ClInclude>
@@ -603,6 +606,9 @@
     <ClCompile Include="..\hardware\hw_cache.c">
       <Filter>Hw_Hardware</Filter>
     </ClCompile>
+    <ClCompile Include="..\hardware\hw_clip.c">
+      <Filter>Hw_Hardware</Filter>
+    </ClCompile>
     <ClCompile Include="..\hardware\hw_draw.c">
       <Filter>Hw_Hardware</Filter>
     </ClCompile>
diff --git a/src/sdl/i_cdmus.c b/src/sdl/i_cdmus.c
index 3105f512278e98536de12c9f27e02c5a884e4321..5d086e73a05fdc7d28b23818a9141aa9edc650dc 100644
--- a/src/sdl/i_cdmus.c
+++ b/src/sdl/i_cdmus.c
@@ -12,19 +12,19 @@ consvar_t cd_volume = {"cd_volume","31",CV_SAVE,soundvolume_cons_t, NULL, 0, NUL
 consvar_t cdUpdate  = {"cd_update","1",CV_SAVE, NULL, NULL, 0, NULL, NULL, 0, 0, NULL};
 
 
-FUNCMATH void I_InitCD(void){}
+void I_InitCD(void){}
 
-FUNCMATH void I_StopCD(void){}
+void I_StopCD(void){}
 
-FUNCMATH void I_PauseCD(void){}
+void I_PauseCD(void){}
 
-FUNCMATH void I_ResumeCD(void){}
+void I_ResumeCD(void){}
 
-FUNCMATH void I_ShutdownCD(void){}
+void I_ShutdownCD(void){}
 
-FUNCMATH void I_UpdateCD(void){}
+void I_UpdateCD(void){}
 
-FUNCMATH void I_PlayCD(UINT8 track, UINT8 looping)
+void I_PlayCD(UINT8 track, UINT8 looping)
 {
 	(void)track;
 	(void)looping;
diff --git a/src/sdl/i_system.c b/src/sdl/i_system.c
index f92cd4b6e42e430f93583c7a2b0e8ba48f2636b3..2b35ce8b8a044c824b6f825a117d5ae1cf9703dc 100644
--- a/src/sdl/i_system.c
+++ b/src/sdl/i_system.c
@@ -1,8 +1,11 @@
 // Emacs style mode select   -*- C++ -*-
+//
+// SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 //
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Portions Copyright (C) 1998-2000 by DooM Legacy Team.
+// Copyright (C) 2014-2018 by Sonic Team Junior.
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License
@@ -1154,6 +1157,7 @@ static void I_ShutdownJoystick2(void)
 		D_PostEvent(&event);
 	}
 
+	joystick2_started = 0;
 	JoyReset(&JoyInfo2);
 	if (!joystick_started && !joystick2_started && SDL_WasInit(SDL_INIT_JOYSTICK) == SDL_INIT_JOYSTICK)
 	{
@@ -1926,14 +1930,14 @@ void I_StartupMouse2(void)
 //
 // I_Tactile
 //
-FUNCMATH void I_Tactile(FFType pFFType, const JoyFF_t *FFEffect)
+void I_Tactile(FFType pFFType, const JoyFF_t *FFEffect)
 {
 	// UNUSED.
 	(void)pFFType;
 	(void)FFEffect;
 }
 
-FUNCMATH void I_Tactile2(FFType pFFType, const JoyFF_t *FFEffect)
+void I_Tactile2(FFType pFFType, const JoyFF_t *FFEffect)
 {
 	// UNUSED.
 	(void)pFFType;
@@ -1944,7 +1948,7 @@ FUNCMATH void I_Tactile2(FFType pFFType, const JoyFF_t *FFEffect)
 */
 static ticcmd_t emptycmd;
 
-FUNCMATH ticcmd_t *I_BaseTiccmd(void)
+ticcmd_t *I_BaseTiccmd(void)
 {
 	return &emptycmd;
 }
@@ -1953,7 +1957,7 @@ FUNCMATH ticcmd_t *I_BaseTiccmd(void)
 */
 static ticcmd_t emptycmd2;
 
-FUNCMATH ticcmd_t *I_BaseTiccmd2(void)
+ticcmd_t *I_BaseTiccmd2(void)
 {
 	return &emptycmd2;
 }
@@ -2047,7 +2051,7 @@ tic_t I_GetTime (void)
 //
 //I_StartupTimer
 //
-FUNCMATH void I_StartupTimer(void)
+void I_StartupTimer(void)
 {
 #ifdef _WIN32
 	// for win2k time bug
@@ -2135,6 +2139,8 @@ void I_Quit(void)
 		printf("\r");
 		ShowEndTxt();
 	}
+	if (myargmalloc)
+		free(myargv); // Deallocate allocated memory
 death:
 	W_Shutdown();
 	exit(0);
@@ -2146,11 +2152,11 @@ void I_WaitVBL(INT32 count)
 	SDL_Delay(count);
 }
 
-FUNCMATH void I_BeginRead(void)
+void I_BeginRead(void)
 {
 }
 
-FUNCMATH void I_EndRead(void)
+void I_EndRead(void)
 {
 }
 
@@ -2938,5 +2944,5 @@ const CPUInfoFlags *I_CPUInfo(void)
 }
 
 // note CPUAFFINITY code used to reside here
-FUNCMATH void I_RegisterSysCommands(void) {}
+void I_RegisterSysCommands(void) {}
 #endif
diff --git a/src/sdl/i_video.c b/src/sdl/i_video.c
index ce84e86a6bd282cf6c8559a890d2adb2ecb75b4d..3cc29dbb466476461d0daf21458271f739095db3 100644
--- a/src/sdl/i_video.c
+++ b/src/sdl/i_video.c
@@ -1,8 +1,10 @@
 // Emacs style mode select   -*- C++ -*-
+// SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 //
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Portions Copyright (C) 1998-2000 by DooM Legacy Team.
+// Copyright (C) 2014-2018 by Sonic Team Junior.
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License
@@ -566,7 +568,7 @@ static void Impl_HandleWindowEvent(SDL_WindowEvent evt)
 		// Tell game we got focus back, resume music if necessary
 		window_notinfocus = false;
 		if (!paused)
-			I_ResumeSong(0); //resume it
+			I_ResumeSong(); //resume it
 
 		if (!firsttimeonmouse)
 		{
@@ -578,7 +580,7 @@ static void Impl_HandleWindowEvent(SDL_WindowEvent evt)
 	{
 		// Tell game we lost focus, pause music
 		window_notinfocus = true;
-		I_PauseSong(0);
+		I_PauseSong();
 
 		if (!disable_mouse)
 		{
@@ -1053,7 +1055,7 @@ void I_SetPalette(RGBA_t *palette)
 }
 
 // return number of fullscreen + X11 modes
-FUNCMATH INT32 VID_NumModes(void)
+INT32 VID_NumModes(void)
 {
 	if (USE_FULLSCREEN && numVidModes != -1)
 		return numVidModes - firstEntry;
@@ -1061,7 +1063,7 @@ FUNCMATH INT32 VID_NumModes(void)
 		return MAXWINMODES;
 }
 
-FUNCMATH const char *VID_GetModeName(INT32 modeNum)
+const char *VID_GetModeName(INT32 modeNum)
 {
 #if 0
 	if (USE_FULLSCREEN && numVidModes != -1) // fullscreen modes
@@ -1091,7 +1093,7 @@ FUNCMATH const char *VID_GetModeName(INT32 modeNum)
 	return &vidModeName[modeNum][0];
 }
 
-FUNCMATH INT32 VID_GetModeForSize(INT32 w, INT32 h)
+INT32 VID_GetModeForSize(INT32 w, INT32 h)
 {
 	int i;
 	for (i = 0; i < MAXWINMODES; i++)
diff --git a/src/sdl/mixer_sound.c b/src/sdl/mixer_sound.c
index 5211efe0af4c18d1c2daf43471eadd67962bf59a..a3c4219913627f5cf048c38a34b52ff70d224978 100644
--- a/src/sdl/mixer_sound.c
+++ b/src/sdl/mixer_sound.c
@@ -1,3 +1,11 @@
+// SONIC ROBO BLAST 2
+//-----------------------------------------------------------------------------
+// Copyright (C) 2014-2018 by Sonic Team Junior.
+//
+// This program is free software distributed under the
+// terms of the GNU General Public License, version 2.
+// See the 'LICENSE' file for more details.
+//-----------------------------------------------------------------------------
 /// \file
 /// \brief SDL Mixer interface for sound
 
@@ -34,14 +42,18 @@
 	(SDL_MIXER_COMPILEDVERSION >= SDL_VERSIONNUM(X, Y, Z))
 #endif
 
+// thanks alam for making the buildbots happy!
+#if SDL_MIXER_VERSION_ATLEAST(2,0,2)
+#define MUS_MP3_MAD MUS_MP3_MAD_UNUSED
+#define MUS_MODPLUG MUS_MODPLUG_UNUSED
+#endif
+
 #ifdef HAVE_LIBGME
 #include "gme/gme.h"
 #define GME_TREBLE 5.0
 #define GME_BASS 1.0
-#ifdef HAVE_PNG /// TODO: compile with zlib support without libpng
-
-#define HAVE_ZLIB
 
+#ifdef HAVE_ZLIB
 #ifndef _MSC_VER
 #ifndef _LARGEFILE64_SOURCE
 #define _LARGEFILE64_SOURCE
@@ -57,14 +69,13 @@
 #endif
 
 #include "zlib.h"
-#endif
-#endif
+#endif // HAVE_ZLIB
+#endif // HAVE_LIBGME
 
 UINT8 sound_started = false;
 
-static boolean midimode;
 static Mix_Music *music;
-static UINT8 music_volume, midi_volume, sfx_volume;
+static UINT8 music_volume, sfx_volume;
 static float loop_point;
 static boolean songpaused;
 
@@ -73,13 +84,20 @@ static Music_Emu *gme;
 static INT32 current_track;
 #endif
 
+/// ------------------------
+/// Audio System
+/// ------------------------
+
 void I_StartupSound(void)
 {
 	I_Assert(!sound_started);
 
 	// EE inits audio first so we're following along.
 	if (SDL_WasInit(SDL_INIT_AUDIO) == SDL_INIT_AUDIO)
-		CONS_Printf("SDL Audio already started\n");
+	{
+		CONS_Debug(DBG_DETAILED, "SDL Audio already started\n");
+		return;
+	}
 	else if (SDL_InitSubSystem(SDL_INIT_AUDIO) < 0)
 	{
 		CONS_Alert(CONS_ERROR, "Error initializing SDL Audio: %s\n", SDL_GetError());
@@ -87,9 +105,8 @@ void I_StartupSound(void)
 		return;
 	}
 
-	midimode = false;
 	music = NULL;
-	music_volume = midi_volume = sfx_volume = 0;
+	music_volume = sfx_volume = 0;
 
 #if SDL_MIXER_VERSION_ATLEAST(1,2,11)
 	Mix_Init(MIX_INIT_FLAC|MIX_INIT_MOD|MIX_INIT_MP3|MIX_INIT_OGG);
@@ -126,10 +143,14 @@ void I_ShutdownSound(void)
 #endif
 }
 
-FUNCMATH void I_UpdateSound(void)
+void I_UpdateSound(void)
 {
 }
 
+/// ------------------------
+/// SFX
+/// ------------------------
+
 // this is as fast as I can possibly make it.
 // sorry. more asm needed.
 static Mix_Chunk *ds2chunk(void *stream)
@@ -178,7 +199,7 @@ static Mix_Chunk *ds2chunk(void *stream)
 			return NULL; // would and/or did wrap, can't store.
 		break;
 	}
-	sound = malloc(newsamples<<2); // samples * frequency shift * bytes per sample * channels
+	sound = Z_Malloc(newsamples<<2, PU_SOUND, NULL); // samples * frequency shift * bytes per sample * channels
 
 	s = (SINT8 *)stream;
 	d = (INT16 *)sound;
@@ -246,6 +267,7 @@ void *I_GetSfx(sfxinfo_t *sfx)
 {
 	void *lump;
 	Mix_Chunk *chunk;
+	SDL_RWops *rw;
 #ifdef HAVE_LIBGME
 	Music_Emu *emu;
 	gme_info_t *info;
@@ -361,7 +383,7 @@ void *I_GetSfx(sfxinfo_t *sfx)
 		}
 		Z_Free(inflatedData); // GME didn't open jack, but don't let that stop us from freeing this up
 #else
-		//CONS_Alert(CONS_ERROR,"Cannot decompress VGZ; no zlib support\n");
+		return NULL; // No zlib support
 #endif
 	}
 	// Try to read it as a GME sound
@@ -387,21 +409,43 @@ void *I_GetSfx(sfxinfo_t *sfx)
 #endif
 
 	// Try to load it as a WAVE or OGG using Mixer.
-	return Mix_LoadWAV_RW(SDL_RWFromMem(lump, sfx->length), 1);
+	rw = SDL_RWFromMem(lump, sfx->length);
+	if (rw != NULL)
+	{
+		chunk = Mix_LoadWAV_RW(rw, 1);
+		return chunk;
+	}
+
+	return NULL; // haven't been able to get anything
 }
 
 void I_FreeSfx(sfxinfo_t *sfx)
 {
 	if (sfx->data)
+	{
+		Mix_Chunk *chunk = (Mix_Chunk*)sfx->data;
+		UINT8 *abufdata = NULL;
+		if (chunk->allocated == 0)
+		{
+			// We allocated the data in this chunk, so get the abuf from mixer, then let it free the chunk, THEN we free the data
+			// I believe this should ensure the sound is not playing when we free it
+			abufdata = chunk->abuf;
+		}
 		Mix_FreeChunk(sfx->data);
+		if (abufdata)
+		{
+			// I'm going to assume we used Z_Malloc to allocate this data.
+			Z_Free(abufdata);
+		}
+	}
 	sfx->data = NULL;
 	sfx->lumpnum = LUMPERROR;
 }
 
-INT32 I_StartSound(sfxenum_t id, UINT8 vol, UINT8 sep, UINT8 pitch, UINT8 priority)
+INT32 I_StartSound(sfxenum_t id, UINT8 vol, UINT8 sep, UINT8 pitch, UINT8 priority, INT32 channel)
 {
 	UINT8 volume = (((UINT16)vol + 1) * (UINT16)sfx_volume) / 62; // (256 * 31) / 62 == 127
-	INT32 handle = Mix_PlayChannel(-1, S_sfx[id].data, 0);
+	INT32 handle = Mix_PlayChannel(channel, S_sfx[id].data, 0);
 	Mix_Volume(handle, volume);
 	Mix_SetPanning(handle, min((UINT16)(0xff-sep)<<1, 0xff), min((UINT16)(sep)<<1, 0xff));
 	(void)pitch; // Mixer can't handle pitch
@@ -432,11 +476,10 @@ void I_SetSfxVolume(UINT8 volume)
 	sfx_volume = volume;
 }
 
-//
-// Music
-//
+/// ------------------------
+/// Music Hooks
+/// ------------------------
 
-// Music hooks
 static void music_loop(void)
 {
 	Mix_PlayMusic(music, 0);
@@ -464,78 +507,101 @@ static void mix_gme(void *udata, Uint8 *stream, int len)
 }
 #endif
 
-FUNCMATH void I_InitMusic(void)
+
+/// ------------------------
+/// Music System
+/// ------------------------
+
+void I_InitMusic(void)
 {
 }
 
 void I_ShutdownMusic(void)
 {
-	I_ShutdownDigMusic();
-	I_ShutdownMIDIMusic();
+	I_UnloadSong();
 }
 
-void I_PauseSong(INT32 handle)
-{
-	(void)handle;
-	Mix_PauseMusic();
-	songpaused = true;
-}
+/// ------------------------
+/// Music Properties
+/// ------------------------
 
-void I_ResumeSong(INT32 handle)
+musictype_t I_SongType(void)
 {
-	(void)handle;
-	Mix_ResumeMusic();
-	songpaused = false;
+#ifdef HAVE_LIBGME
+	if (gme)
+		return MU_GME;
+	else
+#endif
+	if (!music)
+		return MU_NONE;
+	else if (Mix_GetMusicType(music) == MUS_MID)
+		return MU_MID;
+	else if (Mix_GetMusicType(music) == MUS_MOD || Mix_GetMusicType(music) == MUS_MODPLUG)
+		return MU_MOD;
+	else if (Mix_GetMusicType(music) == MUS_MP3 || Mix_GetMusicType(music) == MUS_MP3_MAD)
+		return MU_MP3;
+	else
+		return (musictype_t)Mix_GetMusicType(music);
 }
 
-//
-// Digital Music
-//
-
-void I_InitDigMusic(void)
+boolean I_SongPlaying(void)
 {
+	return (
 #ifdef HAVE_LIBGME
-	gme = NULL;
-	current_track = -1;
+		(I_SongType() == MU_GME && gme) ||
 #endif
+		music != NULL
+	);
 }
 
-void I_ShutdownDigMusic(void)
+boolean I_SongPaused(void)
 {
-	if (midimode)
-		return;
+	return songpaused;
+}
+
+/// ------------------------
+/// Music Effects
+/// ------------------------
+
+boolean I_SetSongSpeed(float speed)
+{
+	if (speed > 250.0f)
+		speed = 250.0f; //limit speed up to 250x
 #ifdef HAVE_LIBGME
 	if (gme)
 	{
-		Mix_HookMusic(NULL, NULL);
-		gme_delete(gme);
-		gme = NULL;
+		SDL_LockAudio();
+		gme_set_tempo(gme, speed);
+		SDL_UnlockAudio();
+		return true;
 	}
+#else
+	(void)speed;
 #endif
-	if (!music)
-		return;
-	Mix_HookMusicFinished(NULL);
-	Mix_FreeMusic(music);
-	music = NULL;
+	return false;
 }
 
-boolean I_StartDigSong(const char *musicname, boolean looping)
-{
-	char *data;
-	size_t len;
-	lumpnum_t lumpnum = W_CheckNumForName(va("O_%s",musicname));
+/// ------------------------
+/// Music Playback
+/// ------------------------
 
-	I_Assert(!music);
+boolean I_LoadSong(char *data, size_t len)
+{
+	const char *key1 = "LOOP";
+	const char *key2 = "POINT=";
+	const char *key3 = "MS=";
+	const size_t key1len = strlen(key1);
+	const size_t key2len = strlen(key2);
+	const size_t key3len = strlen(key3);
+	char *p = data;
+	SDL_RWops *rw;
+
+	if (music
 #ifdef HAVE_LIBGME
-	I_Assert(!gme);
+		|| gme
 #endif
-
-	if (lumpnum == LUMPERROR)
-		return false;
-	midimode = false;
-
-	data = (char *)W_CacheLumpNum(lumpnum, PU_MUSIC);
-	len = W_LumpLength(lumpnum);
+	)
+		I_UnloadSong();
 
 #ifdef HAVE_LIBGME
 	if ((UINT8)data[0] == 0x1F
@@ -621,66 +687,95 @@ boolean I_StartDigSong(const char *musicname, boolean looping)
 		}
 		Z_Free(inflatedData); // GME didn't open jack, but don't let that stop us from freeing this up
 #else
-		//CONS_Alert(CONS_ERROR,"Cannot decompress VGZ; no zlib support\n");
+		CONS_Alert(CONS_ERROR,"Cannot decompress VGZ; no zlib support\n");
+		return true;
 #endif
 	}
 	else if (!gme_open_data(data, len, &gme, 44100))
 	{
 		gme_equalizer_t eq = {GME_TREBLE, GME_BASS, 0,0,0,0,0,0,0,0};
-		gme_start_track(gme, 0);
-		current_track = 0;
 		gme_set_equalizer(gme, &eq);
-		Mix_HookMusic(mix_gme, gme);
 		return true;
 	}
 #endif
 
-	music = Mix_LoadMUS_RW(SDL_RWFromMem(data, len), SDL_FALSE);
+	rw = SDL_RWFromMem(data, len);
+	if (rw != NULL)
+	{
+		music = Mix_LoadMUS_RW(rw, 1);
+	}
 	if (!music)
 	{
 		CONS_Alert(CONS_ERROR, "Mix_LoadMUS_RW: %s\n", Mix_GetError());
-		return true;
+		return false;
 	}
 
 	// Find the OGG loop point.
 	loop_point = 0.0f;
-	if (looping)
+
+	while ((UINT32)(p - data) < len)
 	{
-		const char *key1 = "LOOP";
-		const char *key2 = "POINT=";
-		const char *key3 = "MS=";
-		const size_t key1len = strlen(key1);
-		const size_t key2len = strlen(key2);
-		const size_t key3len = strlen(key3);
-		char *p = data;
-		while ((UINT32)(p - data) < len)
+		if (strncmp(p++, key1, key1len))
+			continue;
+		p += key1len-1; // skip OOP (the L was skipped in strncmp)
+		if (!strncmp(p, key2, key2len)) // is it LOOPPOINT=?
 		{
-			if (strncmp(p++, key1, key1len))
-				continue;
-			p += key1len-1; // skip OOP (the L was skipped in strncmp)
-			if (!strncmp(p, key2, key2len)) // is it LOOPPOINT=?
-			{
-				p += key2len; // skip POINT=
-				loop_point = (float)((44.1L+atoi(p)) / 44100.0L); // LOOPPOINT works by sample count.
-				// because SDL_Mixer is USELESS and can't even tell us
-				// something simple like the frequency of the streaming music,
-				// we are unfortunately forced to assume that ALL MUSIC is 44100hz.
-				// This means a lot of tracks that are only 22050hz for a reasonable downloadable file size will loop VERY badly.
-			}
-			else if (!strncmp(p, key3, key3len)) // is it LOOPMS=?
-			{
-				p += key3len; // skip MS=
-				loop_point = (float)(atoi(p) / 1000.0L); // LOOPMS works by real time, as miliseconds.
-				// Everything that uses LOOPMS will work perfectly with SDL_Mixer.
-			}
-			// Neither?! Continue searching.
+			p += key2len; // skip POINT=
+			loop_point = (float)((44.1L+atoi(p)) / 44100.0L); // LOOPPOINT works by sample count.
+			// because SDL_Mixer is USELESS and can't even tell us
+			// something simple like the frequency of the streaming music,
+			// we are unfortunately forced to assume that ALL MUSIC is 44100hz.
+			// This means a lot of tracks that are only 22050hz for a reasonable downloadable file size will loop VERY badly.
 		}
+		else if (!strncmp(p, key3, key3len)) // is it LOOPMS=?
+		{
+			p += key3len; // skip MS=
+			loop_point = (float)(atoi(p) / 1000.0L); // LOOPMS works by real time, as miliseconds.
+			// Everything that uses LOOPMS will work perfectly with SDL_Mixer.
+		}
+		// Neither?! Continue searching.
+	}
+
+	return true;
+}
+
+void I_UnloadSong(void)
+{
+	I_StopSong();
+
+#ifdef HAVE_LIBGME
+	if (gme)
+	{
+		gme_delete(gme);
+		gme = NULL;
+	}
+#endif
+	if (music)
+	{
+		Mix_FreeMusic(music);
+		music = NULL;
 	}
+}
+
+boolean I_PlaySong(boolean looping)
+{
+#ifdef HAVE_LIBGME
+	if (gme)
+	{
+		gme_start_track(gme, 0);
+		current_track = 0;
+		Mix_HookMusic(mix_gme, gme);
+		return true;
+	}
+	else
+#endif
+	if (!music)
+		return false;
 
 	if (Mix_PlayMusic(music, looping && loop_point == 0.0f ? -1 : 0) == -1)
 	{
 		CONS_Alert(CONS_ERROR, "Mix_PlayMusic: %s\n", Mix_GetError());
-		return true;
+		return false;
 	}
 	Mix_VolumeMusic((UINT32)music_volume*128/31);
 
@@ -689,51 +784,49 @@ boolean I_StartDigSong(const char *musicname, boolean looping)
 	return true;
 }
 
-void I_StopDigSong(void)
+void I_StopSong(void)
 {
-	if (midimode)
-		return;
 #ifdef HAVE_LIBGME
 	if (gme)
 	{
 		Mix_HookMusic(NULL, NULL);
-		gme_delete(gme);
-		gme = NULL;
 		current_track = -1;
-		return;
 	}
 #endif
-	if (!music)
-		return;
-	Mix_HookMusicFinished(NULL);
-	Mix_FreeMusic(music);
-	music = NULL;
+	if (music)
+	{
+		Mix_HookMusicFinished(NULL);
+		Mix_HaltMusic();
+	}
 }
 
-void I_SetDigMusicVolume(UINT8 volume)
+void I_PauseSong(void)
 {
-	music_volume = volume;
-	if (midimode || !music)
-		return;
-	Mix_VolumeMusic((UINT32)volume*128/31);
+	Mix_PauseMusic();
+	songpaused = true;
 }
 
-boolean I_SetSongSpeed(float speed)
+void I_ResumeSong(void)
 {
-	if (speed > 250.0f)
-		speed = 250.0f; //limit speed up to 250x
-#ifdef HAVE_LIBGME
-	if (gme)
-	{
-		SDL_LockAudio();
-		gme_set_tempo(gme, speed);
-		SDL_UnlockAudio();
-		return true;
-	}
-#else
-	(void)speed;
+	Mix_ResumeMusic();
+	songpaused = false;
+}
+
+void I_SetMusicVolume(UINT8 volume)
+{
+	if (!I_SongPlaying())
+		return;
+
+#ifdef _WIN32
+	if (I_SongType() == MU_MID)
+		// HACK: Until we stop using native MIDI,
+		// disable volume changes
+		music_volume = 31;
+	else
 #endif
-	return false;
+		music_volume = volume;
+
+	Mix_VolumeMusic((UINT32)music_volume*128/31);
 }
 
 boolean I_SetSongTrack(int track)
@@ -767,79 +860,4 @@ boolean I_SetSongTrack(int track)
 	return false;
 }
 
-//
-// MIDI Music
-//
-
-FUNCMATH void I_InitMIDIMusic(void)
-{
-}
-
-void I_ShutdownMIDIMusic(void)
-{
-	if (!midimode || !music)
-		return;
-	Mix_FreeMusic(music);
-	music = NULL;
-}
-
-void I_SetMIDIMusicVolume(UINT8 volume)
-{
-	// HACK: Until we stop using native MIDI,
-	// disable volume changes
-	(void)volume;
-	midi_volume = 31;
-	//midi_volume = volume;
-
-	if (!midimode || !music)
-		return;
-	Mix_VolumeMusic((UINT32)midi_volume*128/31);
-}
-
-INT32 I_RegisterSong(void *data, size_t len)
-{
-	music = Mix_LoadMUS_RW(SDL_RWFromMem(data, len), SDL_FALSE);
-	if (!music)
-	{
-		CONS_Alert(CONS_ERROR, "Mix_LoadMUS_RW: %s\n", Mix_GetError());
-		return -1;
-	}
-	return 1337;
-}
-
-boolean I_PlaySong(INT32 handle, boolean looping)
-{
-	(void)handle;
-
-	midimode = true;
-
-	if (Mix_PlayMusic(music, looping ? -1 : 0) == -1)
-	{
-		CONS_Alert(CONS_ERROR, "Mix_PlayMusic: %s\n", Mix_GetError());
-		return false;
-	}
-
-	Mix_VolumeMusic((UINT32)midi_volume*128/31);
-	return true;
-}
-
-void I_StopSong(INT32 handle)
-{
-	if (!midimode || !music)
-		return;
-
-	(void)handle;
-	Mix_HaltMusic();
-}
-
-void I_UnRegisterSong(INT32 handle)
-{
-	if (!midimode || !music)
-		return;
-
-	(void)handle;
-	Mix_FreeMusic(music);
-	music = NULL;
-}
-
 #endif
diff --git a/src/sdl/sdl_sound.c b/src/sdl/sdl_sound.c
index 6c70c163b0c041c8c4dec78656e38ec3126f2176..f4796cd8067a63056d4157891c2b591b3614b2c2 100644
--- a/src/sdl/sdl_sound.c
+++ b/src/sdl/sdl_sound.c
@@ -194,8 +194,8 @@ static srb2audio_t localdata;
 static void Snd_LockAudio(void) //Alam: Lock audio data and uninstall audio callback
 {
 	if (Snd_Mutex) SDL_LockMutex(Snd_Mutex);
-	else if (nosound) return;
-	else if (nomidimusic && nodigimusic
+	else if (sound_disabled) return;
+	else if (midi_disabled && digital_disabled
 #ifdef HW3SOUND
 	         && hws_mode == HWS_DEFAULT_MODE
 #endif
@@ -208,8 +208,8 @@ static void Snd_LockAudio(void) //Alam: Lock audio data and uninstall audio call
 static void Snd_UnlockAudio(void) //Alam: Unlock audio data and reinstall audio callback
 {
 	if (Snd_Mutex) SDL_UnlockMutex(Snd_Mutex);
-	else if (nosound) return;
-	else if (nomidimusic && nodigimusic
+	else if (sound_disabled) return;
+	else if (midi_disabled && digital_disabled
 #ifdef HW3SOUND
 	         && hws_mode == HWS_DEFAULT_MODE
 #endif
@@ -219,7 +219,7 @@ static void Snd_UnlockAudio(void) //Alam: Unlock audio data and reinstall audio
 #endif
 }
 
-FUNCMATH static inline Uint16 Snd_LowerRate(Uint16 sr)
+static inline Uint16 Snd_LowerRate(Uint16 sr)
 {
 	if (sr <= audio.freq) // already lowered rate?
 		return sr; // good then
@@ -493,7 +493,7 @@ static inline void I_SetChannels(void)
 
 	INT32 *steptablemid = steptable + 128;
 
-	if (nosound)
+	if (sound_disabled)
 		return;
 
 	// This table provides step widths for pitch parameters.
@@ -604,12 +604,13 @@ void I_FreeSfx(sfxinfo_t * sfx)
 // Pitching (that is, increased speed of playback)
 //  is set, but currently not used by mixing.
 //
-INT32 I_StartSound(sfxenum_t id, UINT8 vol, UINT8 sep, UINT8 pitch, UINT8 priority)
+INT32 I_StartSound(sfxenum_t id, UINT8 vol, UINT8 sep, UINT8 pitch, UINT8 priority, INT32 channel)
 {
 	(void)priority;
 	(void)pitch;
+	(void)channel;
 
-	if (nosound)
+	if (sound_disabled)
 		return 0;
 
 	if (S_sfx[id].data == NULL) return -1;
@@ -989,7 +990,7 @@ FUNCINLINE static ATTRINLINE void I_UpdateStream16M(Uint8 *stream, int len)
 	if (Snd_Mutex) SDL_UnlockMutex(Snd_Mutex);
 }
 
-#ifdef HAVE_LIBGME
+#if 0 //#ifdef HAVE_LIBGME
 static void I_UpdateSteamGME(Music_Emu *emu, INT16 *stream, int len, UINT8 looping)
 {
 	#define GME_BUFFER_LEN 44100*2048
@@ -1049,14 +1050,16 @@ static void SDLCALL I_UpdateStream(void *userdata, Uint8 *stream, int len)
 	else if (audio.channels == 2 && audio.format == AUDIO_S16SYS)
 	{
 		I_UpdateStream16S(stream, len);
-#ifdef HAVE_LIBGME
-		if (userdata)
-		{
-			srb2audio_t *sa_userdata = userdata;
-			if (!sa_userdata->gme_pause)
-				I_UpdateSteamGME(sa_userdata->gme_emu, (INT16 *)stream, len/4, sa_userdata->gme_loop);
-		}
-#endif
+
+		// Crashes! But no matter; this build doesn't play music anyway...
+// #ifdef HAVE_LIBGME
+// 		if (userdata)
+// 		{
+// 			srb2audio_t *sa_userdata = userdata;
+// 			if (!sa_userdata->gme_pause)
+// 				I_UpdateSteamGME(sa_userdata->gme_emu, (INT16 *)stream, len/4, sa_userdata->gme_loop);
+// 		}
+// #endif
 
 	}
 }
@@ -1136,7 +1139,7 @@ static INT32 Init3DSDriver(const char *soName)
 
 void I_ShutdownSound(void)
 {
-	if (nosound || !sound_started)
+	if (sound_disabled || !sound_started)
 		return;
 
 	CONS_Printf("I_ShutdownSound: ");
@@ -1150,7 +1153,7 @@ void I_ShutdownSound(void)
 	}
 #endif
 
-	if (nomidimusic && nodigimusic)
+	if (midi_disabled && digital_disabled)
 		SDL_CloseAudio();
 	CONS_Printf("%s", M_GetText("shut down\n"));
 	sound_started = false;
@@ -1170,7 +1173,7 @@ void I_StartupSound(void)
 	const char *sdrv_name = NULL;
 #endif
 #ifndef HAVE_MIXER
-	nomidimusic = nodigimusic = true;
+	midi_disabled = digital_disabled = true;
 #endif
 
 	memset(channels, 0, sizeof (channels)); //Alam: Clean it
@@ -1213,7 +1216,7 @@ void I_StartupSound(void)
 		audio.samples /= 2;
 	}
 
-	if (nosound)
+	if (sound_disabled)
 		return;
 
 #ifdef HW3SOUND
@@ -1261,7 +1264,7 @@ void I_StartupSound(void)
 		{
 			snddev_t            snddev;
 
-			//nosound = true;
+			//sound_disabled = true;
 			//I_AddExitFunc(I_ShutdownSound);
 			snddev.bps = 16;
 			snddev.sample_rate = audio.freq;
@@ -1288,7 +1291,7 @@ void I_StartupSound(void)
 	if (!musicStarted && SDL_OpenAudio(&audio, &audio) < 0)
 	{
 		CONS_Printf("%s", M_GetText(" couldn't open audio with desired format\n"));
-		nosound = true;
+		sound_disabled = true;
 		return;
 	}
 	else
@@ -1313,13 +1316,11 @@ void I_StartupSound(void)
 // MUSIC API.
 //
 
-void I_ShutdownMIDIMusic(void)
-{
-	nomidimusic = false;
-	if (nodigimusic) I_ShutdownMusic();
-}
+/// ------------------------
+//  MUSIC SYSTEM
+/// ------------------------
 
-#ifdef HAVE_LIBGME
+#if 0 //#ifdef HAVE_LIBGME
 static void I_ShutdownGMEMusic(void)
 {
 	Snd_LockAudio();
@@ -1330,391 +1331,127 @@ static void I_ShutdownGMEMusic(void)
 }
 #endif
 
-void I_ShutdownDigMusic(void)
-{
-	nodigimusic = false;
-	if (nomidimusic) I_ShutdownMusic();
-}
-
-#ifdef HAVE_MIXER
-static boolean LoadSong(void *data, size_t lumplength, size_t selectpos)
+void I_InitMusic(void)
 {
-	FILE *midfile;
-	const char *tempname;
-#ifdef USE_RWOPS
-	if (canuseRW)
-	{
-		SDL_RWops *SDLRW;
-		void *olddata = Smidi[selectpos]; //quick shortcut to set
-
-		Z_Free(olddata); //free old memory
-		Smidi[selectpos] = NULL;
-
-		if (!data)
-			return olddata != NULL; //was there old data?
-
-		SDLRW = SDL_RWFromConstMem(data, (int)lumplength); //new RWops from Z_zone
-		if (!SDLRW) //ERROR while making RWops!
-		{
-			CONS_Printf(M_GetText("Couldn't load music lump: %s\n"), SDL_GetError());
-			Z_Free(data);
-			return false;
-		}
-
-		music[selectpos] = Mix_LoadMUS_RW(SDLRW); // new Mix_Chuck from RWops
-		if (music[selectpos])
-			Smidi[selectpos] = data; //all done
-		else //ERROR while making Mix_Chuck
-		{
-			CONS_Printf(M_GetText("Couldn't load music data: %s\n"), Mix_GetError());
-			Z_Free(data);
-			SDL_RWclose(SDLRW);
-			Smidi[selectpos] = NULL;
-		}
-		return true;
-	}
-#endif
-	tempname = va("%s/%s", MIDI_PATH, fmidi[selectpos]);
-
-	if (!data)
-	{
-		if (FIL_FileExists(tempname))
-			return unlink(tempname)+1;
-#ifdef MIDI_PATH2
-		else if (FIL_FileExists(tempname = va("%s/%s", MIDI_PATH2, fmidi[selectpos])))
-			return unlink(tempname)+1;
-#endif
-		else
-			return false;
-	}
-
-	midfile = fopen(tempname, "wb");
-
-#ifdef MIDI_PATH2
-	if (!midfile)
-	{
-		tempname = va("%s/%s", MIDI_PATH2, fmidi[selectpos]);
-		midfile = fopen(tempname, "wb");
-	}
+#if 0 //#ifdef HAVE_LIBGME
+	I_AddExitFunc(I_ShutdownGMEMusic);
 #endif
+}
 
-	if (!midfile)
-	{
-		CONS_Printf(M_GetText("Couldn't open file %s to write music in\n"), tempname);
-		Z_Free(data);
-		return false;
-	}
-
-	if (fwrite(data, lumplength, 1, midfile) == 0)
-	{
-		CONS_Printf(M_GetText("Couldn't write music into file %s because %s\n"), tempname, strerror(ferror(midfile)));
-		Z_Free(data);
-		fclose(midfile);
-		return false;
-	}
-
-	fclose(midfile);
+void I_ShutdownMusic(void) { }
 
-	Z_Free(data);
+/// ------------------------
+//  MUSIC PROPERTIES
+/// ------------------------
 
-	music[selectpos] = Mix_LoadMUS(tempname);
-	if (!music[selectpos]) //ERROR while making Mix_Chuck
-	{
-		CONS_Printf(M_GetText("Couldn't load music file %s: %s\n"), tempname, Mix_GetError());
-		return false;
-	}
-	return true;
+musictype_t I_SongType(void)
+{
+	return MU_NONE;
 }
-#endif
 
+boolean I_SongPlaying(void)
+{
+	return false;
+}
 
-void I_ShutdownMusic(void)
+boolean I_SongPaused(void)
 {
-#ifdef HAVE_MIXER
-	if ((nomidimusic && nodigimusic) || !musicStarted)
-		return;
+	return false;
+}
 
-	CONS_Printf("%s", M_GetText("I_ShutdownMusic: "));
+/// ------------------------
+//  MUSIC EFFECTS
+/// ------------------------
 
-	I_UnRegisterSong(0);
-	I_StopDigSong();
-	Mix_CloseAudio();
-#ifdef MIX_INIT
-	Mix_Quit();
-#endif
-	CONS_Printf("%s", M_GetText("shut down\n"));
-	musicStarted = SDL_FALSE;
-	if (Msc_Mutex)
-		SDL_DestroyMutex(Msc_Mutex);
-	Msc_Mutex = NULL;
-#endif
+boolean I_SetSongSpeed(float speed)
+{
+	(void)speed;
+	return false;
 }
 
-void I_InitMIDIMusic(void)
+/// ------------------------
+//  MUSIC PLAYBACK
+/// ------------------------
+
+#if 0 //#ifdef HAVE_LIBGME
+static void I_StopGME(void)
 {
-	if (nodigimusic) I_InitMusic();
+	Snd_LockAudio();
+	gme_seek(localdata.gme_emu, 0);
+	Snd_UnlockAudio();
 }
 
-void I_InitDigMusic(void)
+static void I_PauseGME(void)
 {
-	if (nomidimusic) I_InitMusic();
+	localdata.gme_pause = true;
 }
 
-void I_InitMusic(void)
+static void I_ResumeGME(void)
 {
-#ifdef HAVE_MIXER
-	char ad[100];
-	SDL_version MIXcompiled;
-	const SDL_version *MIXlinked;
-#ifdef MIXER_INIT
-	const int mixstart = MIX_INIT_OGG;
-	int mixflags;
-#endif
-#endif
-#ifdef HAVE_LIBGME
-	I_AddExitFunc(I_ShutdownGMEMusic);
-#endif
-
-#ifdef HAVE_MIXER
-	MIX_VERSION(&MIXcompiled)
-	MIXlinked = Mix_Linked_Version();
-	I_OutputMsg("Compiled for SDL_mixer version: %d.%d.%d\n",
-	            MIXcompiled.major, MIXcompiled.minor, MIXcompiled.patch);
-#ifdef MIXER_POS
-	if (MIXlinked->major == 1 && MIXlinked->minor == 2 && MIXlinked->patch < 7)
-		canlooping = SDL_FALSE;
-#endif
-#ifdef USE_RWOPS
-	if (M_CheckParm("-noRW"))
-		canuseRW = SDL_FALSE;
-#endif
-	I_OutputMsg("Linked with SDL_mixer version: %d.%d.%d\n",
-	            MIXlinked->major, MIXlinked->minor, MIXlinked->patch);
-	if (audio.freq < 44100 && !M_CheckParm ("-freq")) //I want atleast 44Khz
-	{
-		audio.samples = (Uint16)(audio.samples*(INT32)(44100/audio.freq));
-		audio.freq = 44100; //Alam: to keep it around the same XX ms
-	}
-
-	if (sound_started
-#ifdef HW3SOUND
-		&& hws_mode == HWS_DEFAULT_MODE
-#endif
-		)
-	{
-		I_OutputMsg("Temp Shutdown of SDL Audio System");
-		SDL_CloseAudio();
-		I_OutputMsg(" Done\n");
-	}
-
-	CONS_Printf("%s", M_GetText("I_InitMusic:"));
-
-#ifdef MIXER_INIT
-	mixflags = Mix_Init(mixstart);
-	if ((mixstart & MIX_INIT_FLAC) != (mixflags & MIX_INIT_FLAC))
-	{
-		CONS_Printf("%s", M_GetText(" Unable to load FLAC support\n"));
-	}
-	if ((mixstart & MIX_INIT_MOD ) != (mixflags & MIX_INIT_MOD ))
-	{
-		CONS_Printf("%s", M_GetText(" Unable to load MOD support\n"));
-	}
-	if ((mixstart & MIX_INIT_MP3 ) != (mixflags & MIX_INIT_MP3 ))
-	{
-		CONS_Printf("%s", M_GetText(" Unable to load MP3 support\n"));
-	}
-	if ((mixstart & MIX_INIT_OGG ) != (mixflags & MIX_INIT_OGG ))
-	{
-		CONS_Printf("%s", M_GetText(" Unable to load OGG support\n"));
-	}
-#endif
-
-	if (Mix_OpenAudio(audio.freq, audio.format, audio.channels, audio.samples) < 0) //open_music(&audio)
-	{
-		CONS_Printf(M_GetText(" Unable to open music: %s\n"), Mix_GetError());
-		nomidimusic = nodigimusic = true;
-		if (sound_started
-#ifdef HW3SOUND
-			&& hws_mode == HWS_DEFAULT_MODE
-#endif
-			)
-		{
-			if (SDL_OpenAudio(&audio, NULL) < 0) //retry
-			{
-				CONS_Printf("%s", M_GetText(" couldn't open audio with desired format\n"));
-				nosound = true;
-				sound_started = false;
-			}
-			else
-			{
-				CONS_Printf(M_GetText(" Starting with audio driver : %s\n"), SDL_AudioDriverName(ad, (int)sizeof ad));
-			}
-		}
-		return;
-	}
-	else
-		CONS_Printf(M_GetText(" Starting up with audio driver : %s with SDL_Mixer\n"), SDL_AudioDriverName(ad, (int)sizeof ad));
-
-	samplecount = audio.samples;
-	CV_SetValue(&cv_samplerate, audio.freq);
-	if (sound_started
-#ifdef HW3SOUND
-		&& hws_mode == HWS_DEFAULT_MODE
-#endif
-		)
-		I_OutputMsg(" Reconfigured SDL Audio System");
-	else I_OutputMsg(" Configured SDL_Mixer System");
-	I_OutputMsg(" with %d samples/slice at %ikhz(%dms buffer)\n", samplecount, audio.freq/1000, (INT32) ((audio.samples * 1000.0f) / audio.freq));
-	Mix_SetPostMix(audio.callback, audio.userdata);  // after mixing music, add sound effects
-	Mix_Resume(-1);
-	CONS_Printf("%s", M_GetText("Music initialized\n"));
-	musicStarted = SDL_TRUE;
-	Msc_Mutex = SDL_CreateMutex();
-#endif
+	localdata.gme_pause = false;
 }
+#endif
 
-boolean I_PlaySong(INT32 handle, boolean looping)
+boolean I_LoadSong(char *data, size_t len)
 {
-	(void)handle;
-#ifdef HAVE_MIXER
-	if (nomidimusic || !musicStarted || !music[handle])
-		return false;
+	return false;
+}
 
-#ifdef MIXER_POS
-	if (canlooping)
-		Mix_HookMusicFinished(NULL);
-#endif
+void I_UnloadSong(void) { }
 
-	if (Mix_FadeInMusic(music[handle], looping ? -1 : 0, MIDIfade) == -1)
-		CONS_Printf(M_GetText("Couldn't play song because %s\n"), Mix_GetError());
-	else
-	{
-		Mix_VolumeMusic(musicvol);
-		return true;
-	}
-#else
+boolean I_PlaySong(boolean looping)
+{
 	(void)looping;
-#endif
 	return false;
 }
 
-static void I_PauseGME(void)
+void I_StopSong(void)
 {
-#ifdef HAVE_LIBGME
-	localdata.gme_pause = true;
+#if 0 //#ifdef HAVE_LIBGME
+	I_StopGME();
 #endif
 }
 
-void I_PauseSong(INT32 handle)
+void I_PauseSong(void)
 {
-	(void)handle;
+#if 0 //#ifdef HAVE_LIBGME
 	I_PauseGME();
-#ifdef HAVE_MIXER
-	if ((nomidimusic && nodigimusic) || !musicStarted)
-		return;
-
-	Mix_PauseMusic();
-	//I_StopSong(handle);
-#endif
-}
-
-static void I_ResumeGME(void)
-{
-#ifdef HAVE_LIBGME
-	localdata.gme_pause = false;
 #endif
 }
 
-void I_ResumeSong(INT32 handle)
+void I_ResumeSong(void)
 {
-	(void)handle;
+#if 0
 	I_ResumeGME();
-#ifdef HAVE_MIXER
-	if ((nomidimusic && nodigimusic) || !musicStarted)
-		return;
-
-	Mix_VolumeMusic(musicvol);
-	Mix_ResumeMusic();
-	//I_PlaySong(handle, true);
-#endif
-}
-
-void I_StopSong(INT32 handle)
-{
-	(void)handle;
-#ifdef HAVE_MIXER
-	if (nomidimusic || !musicStarted)
-		return;
-	Mix_FadeOutMusic(MIDIfade);
 #endif
 }
 
-void I_UnRegisterSong(INT32 handle)
+void I_SetMusicVolume(UINT8 volume)
 {
-#ifdef HAVE_MIXER
-
-	if (nomidimusic || !musicStarted)
-		return;
-
-	Mix_HaltMusic();
-	while (Mix_PlayingMusic())
-		;
-
-	if (music[handle])
-		Mix_FreeMusic(music[handle]);
-	music[handle] = NULL;
-	LoadSong(NULL, 0, handle);
-#else
-	(void)handle;
-#endif
+	(void)volume;
 }
 
-INT32 I_RegisterSong(void *data, size_t len)
+boolean I_SetSongTrack(int track)
 {
-#ifdef HAVE_MIXER
-	if (nomidimusic || !musicStarted)
-		return false;
-
-	if (!LoadSong(data, len, 0))
-		return false;
-
-	if (music[0])
-		return true;
-
-	CONS_Printf(M_GetText("Couldn't load MIDI: %s\n"), Mix_GetError());
-#else
-	(void)len;
-	(void)data;
-#endif
+	(void)track;
 	return false;
 }
 
-void I_SetMIDIMusicVolume(UINT8 volume)
-{
-#ifdef HAVE_MIXER
-	if ((nomidimusic && nodigimusic) || !musicStarted)
-		return;
-
-	if (Msc_Mutex) SDL_LockMutex(Msc_Mutex);
-	musicvol = volume * 2;
-	if (Msc_Mutex) SDL_UnlockMutex(Msc_Mutex);
-	Mix_VolumeMusic(musicvol);
-#else
-	(void)volume;
-#endif
-}
+/// ------------------------
+//  MUSIC LOADING AND CLEANUP
+//  \todo Split logic between loading and playing,
+//        then move to Playback section
+/// ------------------------
 
-#ifdef HAVE_LIBGME
+#if 0 //#ifdef HAVE_LIBGME
 static void I_CleanupGME(void *userdata)
 {
 	Z_Free(userdata);
 }
-#endif
 
 static boolean I_StartGMESong(const char *musicname, boolean looping)
 {
-#ifdef HAVE_LIBGME
-	XBOXSTATIC char filename[9];
+	char filename[9];
 	void *data;
 	lumpnum_t lumpnum;
 	size_t lumplength;
@@ -1759,240 +1496,7 @@ static boolean I_StartGMESong(const char *musicname, boolean looping)
 	Snd_UnlockAudio();
 
 	return true;
-#else
-	(void)musicname;
-	(void)looping;
-#endif
-	return false;
 }
-
-boolean I_StartDigSong(const char *musicname, boolean looping)
-{
-#ifdef HAVE_MIXER
-	XBOXSTATIC char filename[9];
-	void *data;
-	lumpnum_t lumpnum;
-	size_t lumplength;
 #endif
 
-	if(I_StartGMESong(musicname, looping))
-		return true;
-
-#ifdef HAVE_MIXER
-	if (nodigimusic)
-		return false;
-
-	snprintf(filename, sizeof filename, "o_%s", musicname);
-
-	lumpnum = W_CheckNumForName(filename);
-
-	I_StopDigSong();
-
-	if (lumpnum == LUMPERROR)
-	{
-		// Alam_GBC: like in win32/win_snd.c: Graue 02-29-2004: don't worry about missing music, there might still be a MIDI
-		//I_OutputMsg("Music lump %s not found!\n", filename);
-		return false; // No music found. Oh well!
-	}
-	else
-		lumplength = W_LumpLength(lumpnum);
-
-	data = W_CacheLumpNum(lumpnum, PU_MUSIC);
-
-	if (Msc_Mutex) SDL_LockMutex(Msc_Mutex);
-
-#ifdef MIXER_POS
-	if (canlooping && (loopingDig = looping) == SDL_TRUE && strcmp(data, "OggS")  == 0)
-		looping = false; // Only on looping Ogg files, will we will do our own looping
-
-	// Scan the Ogg Vorbis file for the COMMENT= field for a custom
-	// loop point
-	if (!looping && loopingDig)
-	{
-		size_t scan;
-		const char *dataum = data;
-		XBOXSTATIC char looplength[64];
-		UINT32 loopstart = 0;
-		UINT8 newcount = 0;
-
-		Mix_HookMusicFinished(I_FinishMusic);
-
-		for (scan = 0; scan < lumplength; scan++)
-		{
-			if (*dataum++ == 'C'){
-			if (*dataum++ == 'O'){
-			if (*dataum++ == 'M'){
-			if (*dataum++ == 'M'){
-			if (*dataum++ == 'E'){
-			if (*dataum++ == 'N'){
-			if (*dataum++ == 'T'){
-			if (*dataum++ == '='){
-			if (*dataum++ == 'L'){
-			if (*dataum++ == 'O'){
-			if (*dataum++ == 'O'){
-			if (*dataum++ == 'P'){
-			if (*dataum++ == 'P'){
-			if (*dataum++ == 'O'){
-			if (*dataum++ == 'I'){
-			if (*dataum++ == 'N'){
-			if (*dataum++ == 'T'){
-			if (*dataum++ == '=')
-			{
-
-				while (*dataum != 1 && newcount != 63)
-					looplength[newcount++] = *dataum++;
-
-				looplength[newcount] = '\0';
-
-				loopstart = atoi(looplength);
-
-			}
-			else
-				dataum--;}
-			else
-				dataum--;}
-			else
-				dataum--;}
-			else
-				dataum--;}
-			else
-				dataum--;}
-			else
-				dataum--;}
-			else
-				dataum--;}
-			else
-				dataum--;}
-			else
-				dataum--;}
-			else
-				dataum--;}
-			else
-				dataum--;}
-			else
-				dataum--;}
-			else
-				dataum--;}
-			else
-				dataum--;}
-			else
-				dataum--;}
-			else
-				dataum--;}
-			else
-				dataum--;}
-		}
-
-		if (loopstart > 0)
-		{
-			loopstartDig = (double)((44.1l+loopstart) / 44100.0l); //8 PCM chucks off and PCM to secs
-//#ifdef PARANOIA
-			//I_OutputMsg("I_StartDigSong: setting looping point to %ul PCMs(%f seconds)\n", loopstart, loopstartDig);
-//#endif
-		}
-		else
-		{
-			looping = true; // loopingDig true, but couldn't find start loop point
-		}
-	}
-	else
-		loopstartDig = 0.0l;
-#else
-	if (looping && strcmp(data, "OggS")  == 0)
-		I_OutputMsg("I_StartDigSong: SRB2 was not compiled with looping music support(no Mix_FadeInMusicPos)\n");
-#endif
-
-	if (!LoadSong(data, lumplength, 1))
-	{
-		if (Msc_Mutex) SDL_UnlockMutex(Msc_Mutex);
-		return false;
-	}
-
-	// Note: LoadSong() frees the data. Let's make sure
-	// we don't try to use the data again.
-	data = NULL;
-
-	if (Mix_FadeInMusic(music[1], looping ? -1 : 0, Digfade) == -1)
-	{
-		if (Msc_Mutex) SDL_UnlockMutex(Msc_Mutex);
-		I_OutputMsg("I_StartDigSong: Couldn't play song %s because %s\n", musicname, Mix_GetError());
-		return false;
-	}
-	Mix_VolumeMusic(musicvol);
-
-	if (Msc_Mutex) SDL_UnlockMutex(Msc_Mutex);
-	return true;
-#else
-	(void)looping;
-	(void)musicname;
-	return false;
-#endif
-}
-
-static void I_StopGME(void)
-{
-#ifdef HAVE_LIBGME
-	Snd_LockAudio();
-	gme_seek(localdata.gme_emu, 0);
-	Snd_UnlockAudio();
-#endif
-}
-
-void I_StopDigSong(void)
-{
-	I_StopGME();
-#ifdef HAVE_MIXER
-	if (nodigimusic)
-		return;
-
-#ifdef MIXER_POS
-	if (canlooping)
-		Mix_HookMusicFinished(NULL);
-#endif
-
-	Mix_HaltMusic();
-	while (Mix_PlayingMusic())
-		;
-
-	if (music[1])
-		Mix_FreeMusic(music[1]);
-	music[1] = NULL;
-	LoadSong(NULL, 0, 1);
-#endif
-}
-
-void I_SetDigMusicVolume(UINT8 volume)
-{
-	I_SetMIDIMusicVolume(volume);
-}
-
-boolean I_SetSongSpeed(float speed)
-{
-
-	(void)speed;
-	return false;
-}
-
-boolean I_SetSongTrack(int track)
-{
-	(void)track;
-	return false;
-}
-
-#ifdef MIXER_POS
-static void SDLCALL I_FinishMusic(void)
-{
-	if (!music[1])
-		return;
-	else if (Msc_Mutex) SDL_LockMutex(Msc_Mutex);
-//		I_OutputMsg("I_FinishMusic: Loopping song to %g seconds\n", loopstartDig);
-
-	if (Mix_FadeInMusicPos(music[1], loopstartDig ? 0 : -1, Digfade, loopstartDig) == 0)
-		Mix_VolumeMusic(musicvol);
-	else
-		I_OutputMsg("I_FinishMusic: Couldn't loop song because %s\n", Mix_GetError());
-
-	if (Msc_Mutex) SDL_UnlockMutex(Msc_Mutex);
-}
-#endif
-#endif //HAVE_SDL
+#endif //HAVE_SDL
\ No newline at end of file
diff --git a/src/sdl/sdlmain.h b/src/sdl/sdlmain.h
index fea1e16487dd8f5c4f7acfbbcf2de94d9ea77b1b..d12daaa8a19027691cd54a2dde65272d8425d1a1 100644
--- a/src/sdl/sdlmain.h
+++ b/src/sdl/sdlmain.h
@@ -1,7 +1,7 @@
 // Emacs style mode select   -*- C++ -*-
 //-----------------------------------------------------------------------------
 //
-// Copyright (C) 2006 by Sonic Team Jr.
+// Copyright (C) 2006-2018 by Sonic Team Jr.
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License
diff --git a/src/sdl12/SRB2CE/cehelp.c b/src/sdl12/SRB2CE/cehelp.c
index 7c5efdee92b0b187f007c8abf43c6141d6e8d6fc..13505cff732c68c7168b6830680064498be39304 100644
--- a/src/sdl12/SRB2CE/cehelp.c
+++ b/src/sdl12/SRB2CE/cehelp.c
@@ -1,7 +1,7 @@
 // Emacs style mode select   -*- C++ -*-
 //-----------------------------------------------------------------------------
 //
-// Copyright (C) 2004 by Sonic Team Jr.
+// Copyright (C) 2004-2018 by Sonic Team Jr.
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License
diff --git a/src/sdl12/SRB2CE/cehelp.h b/src/sdl12/SRB2CE/cehelp.h
index bc265b05859de1029eac92fafdebb1c672aa9519..3ed0d9dd4bc55f94139b9f581e600e5438f68dc3 100644
--- a/src/sdl12/SRB2CE/cehelp.h
+++ b/src/sdl12/SRB2CE/cehelp.h
@@ -1,7 +1,7 @@
 // Emacs style mode select   -*- C++ -*-
 //-----------------------------------------------------------------------------
 //
-// Copyright (C) 2004 by Sonic Team Jr.
+// Copyright (C) 2004-2018 by Sonic Team Jr.
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License
diff --git a/src/sdl12/SRB2DC/dchelp.c b/src/sdl12/SRB2DC/dchelp.c
index 5fdf04bc28f47d2ec005336ffbc6f70f8fd95b5c..1468baa8b8bbc6da300828dd584a6d016f108494 100644
--- a/src/sdl12/SRB2DC/dchelp.c
+++ b/src/sdl12/SRB2DC/dchelp.c
@@ -1,7 +1,7 @@
 // Emacs style mode select   -*- C++ -*-
 //-----------------------------------------------------------------------------
 //
-// Copyright (C) 2006 by Sonic Team Jr.
+// Copyright (C) 2006-2018 by Sonic Team Jr.
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License
diff --git a/src/sdl12/SRB2DC/dchelp.h b/src/sdl12/SRB2DC/dchelp.h
index 236f311103466caa95dc93a956ac2a8a9a15abc6..3647f9c8952a3d3adf94cdf60729e586e55ee369 100644
--- a/src/sdl12/SRB2DC/dchelp.h
+++ b/src/sdl12/SRB2DC/dchelp.h
@@ -1,7 +1,7 @@
 // Emacs style mode select   -*- C++ -*-
 //-----------------------------------------------------------------------------
 //
-// Copyright (C) 2006 by Sonic Team Jr.
+// Copyright (C) 2006-2018 by Sonic Team Jr.
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License
diff --git a/src/sdl12/SRB2DC/i_udp.c b/src/sdl12/SRB2DC/i_udp.c
index ec5e305fc5f3598e41cadb173ff1bcb5c4a31d55..cf7654c103e2a23303df1b3a769974099d879f97 100644
--- a/src/sdl12/SRB2DC/i_udp.c
+++ b/src/sdl12/SRB2DC/i_udp.c
@@ -1,7 +1,7 @@
 // Emacs style mode select   -*- C++ -*-
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
-// Portions Copyright (C) 2005 by Sonic Team Jr.
+// Portions Copyright (C) 2005-2018 by Sonic Team Jr.
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License
diff --git a/src/sdl12/SRB2XBOX/xboxhelp.c b/src/sdl12/SRB2XBOX/xboxhelp.c
index 9de01712f9b5f03a66d8bb1bf3f8a26fe4be0817..05b6c5e68fd76adceb002fa7e63a01e4e3b2d8c6 100644
--- a/src/sdl12/SRB2XBOX/xboxhelp.c
+++ b/src/sdl12/SRB2XBOX/xboxhelp.c
@@ -1,7 +1,7 @@
 // Emacs style mode select   -*- C++ -*-
 //-----------------------------------------------------------------------------
 //
-// Copyright (C) 2004 by Sonic Team Jr.
+// Copyright (C) 2004-2018 by Sonic Team Jr.
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License
diff --git a/src/sdl12/i_system.c b/src/sdl12/i_system.c
index ed0db653d1f51df07ae714199f5bd9f68c05de21..8729e5921d5b423945c47a58d2fb820a2f72d354 100644
--- a/src/sdl12/i_system.c
+++ b/src/sdl12/i_system.c
@@ -2301,6 +2301,8 @@ void I_Quit(void)
 		printf("\r");
 		ShowEndTxt();
 	}
+	if (myargmalloc)
+		free(myargv); // Deallocate allocated memory
 death:
 	W_Shutdown();
 #ifdef GP2X
diff --git a/src/sdl12/mixer_sound.c b/src/sdl12/mixer_sound.c
index 542a6716989793b0b3452a9825ef190ea95e585b..dcae19b053e51cdf58c7fbfe0c26a2689a356a54 100644
--- a/src/sdl12/mixer_sound.c
+++ b/src/sdl12/mixer_sound.c
@@ -1,3 +1,11 @@
+// SONIC ROBO BLAST 2
+//-----------------------------------------------------------------------------
+// Copyright (C) 2008-2018 by Sonic Team Junior.
+//
+// This program is free software distributed under the
+// terms of the GNU General Public License, version 2.
+// See the 'LICENSE' file for more details.
+//-----------------------------------------------------------------------------
 /// \file
 /// \brief SDL Mixer interface for sound
 
@@ -376,10 +384,10 @@ void I_FreeSfx(sfxinfo_t *sfx)
 	sfx->data = NULL;
 }
 
-INT32 I_StartSound(sfxenum_t id, UINT8 vol, UINT8 sep, UINT8 pitch, UINT8 priority)
+INT32 I_StartSound(sfxenum_t id, UINT8 vol, UINT8 sep, UINT8 pitch, UINT8 priority, INT32 channel)
 {
 	UINT8 volume = (((UINT16)vol + 1) * (UINT16)sfx_volume) / 62; // (256 * 31) / 62 == 127
-	INT32 handle = Mix_PlayChannel(-1, S_sfx[id].data, 0);
+	INT32 handle = Mix_PlayChannel(channel, S_sfx[id].data, 0);
 	Mix_Volume(handle, volume);
 	Mix_SetPanning(handle, min((UINT16)(0xff-sep)<<1, 0xff), min((UINT16)(sep)<<1, 0xff));
 	(void)pitch; // Mixer can't handle pitch
diff --git a/src/sdl12/sdl_sound.c b/src/sdl12/sdl_sound.c
index 6ba83104ee81033a0f9bb4935ecf25adfda1115e..ed1afd8e23a2981069bcce2afe15f1103cc261bd 100644
--- a/src/sdl12/sdl_sound.c
+++ b/src/sdl12/sdl_sound.c
@@ -236,7 +236,7 @@ static void Snd_UnlockAudio(void) //Alam: Unlock audio data and reinstall audio
 #endif
 }
 
-FUNCMATH static inline Uint16 Snd_LowerRate(Uint16 sr)
+static inline Uint16 Snd_LowerRate(Uint16 sr)
 {
 	if (sr <= audio.freq) // already lowered rate?
 		return sr; // good then
@@ -621,10 +621,11 @@ void I_FreeSfx(sfxinfo_t * sfx)
 // Pitching (that is, increased speed of playback)
 //  is set, but currently not used by mixing.
 //
-INT32 I_StartSound(sfxenum_t id, UINT8 vol, UINT8 sep, UINT8 pitch, UINT8 priority)
+INT32 I_StartSound(sfxenum_t id, UINT8 vol, UINT8 sep, UINT8 pitch, UINT8 priority, INT32 channel)
 {
 	(void)priority;
 	(void)pitch;
+	(void)channel;
 
 	if (nosound)
 		return 0;
diff --git a/src/sdl12/sdlmain.h b/src/sdl12/sdlmain.h
index 1e497b10dcca125916b09c515d43eb0e0dcdd8db..d08236bdd39b9ad2283c128e2341f6136d5866fd 100644
--- a/src/sdl12/sdlmain.h
+++ b/src/sdl12/sdlmain.h
@@ -1,7 +1,7 @@
 // Emacs style mode select   -*- C++ -*-
 //-----------------------------------------------------------------------------
 //
-// Copyright (C) 2006 by Sonic Team Jr.
+// Copyright (C) 2006-2018 by Sonic Team Jr.
 //
 // This program is free software; you can redistribute it and/or
 // modify it under the terms of the GNU General Public License
diff --git a/src/sounds.c b/src/sounds.c
index 53e3b6187847c9e3115a8a339c5a0effd3ae1ac0..47dc281781443604abd28c913d01b9c8c8182280 100644
--- a/src/sounds.c
+++ b/src/sounds.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/sounds.h b/src/sounds.h
index 565d41b566a9b108cc0120e8c7a686b49bcccf60..495a55a1e055fdfee883482ccff66cf51a0e3f11 100644
--- a/src/sounds.h
+++ b/src/sounds.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/st_stuff.c b/src/st_stuff.c
index 72e0b6b94c882881db6a7f7de6f616c287722817..f2e62feda44c8785c22f4166a3532c552b094e2d 100644
--- a/src/st_stuff.c
+++ b/src/st_stuff.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/st_stuff.h b/src/st_stuff.h
index c11559d2b4f73853972b333d7f4d8dee1d6c9490..6c4140ce344607bea168d3fe22a5e39950e92a91 100644
--- a/src/st_stuff.h
+++ b/src/st_stuff.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -24,7 +24,7 @@
 //
 
 // Called by main loop.
-FUNCMATH void ST_Ticker(void);
+void ST_Ticker(void);
 
 // Called by main loop.
 void ST_Drawer(void);
diff --git a/src/string.c b/src/string.c
index d7f8b36794549cb45ad257b3b27c04733f8347b4..2a03e87296711f437b9bf4e61a0217b3e37bcf81 100644
--- a/src/string.c
+++ b/src/string.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2006      by Graue.
-// Copyright (C) 2006-2016 by Sonic Team Junior.
+// Copyright (C) 2006-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/tables.c b/src/tables.c
index 6b06c81b48688e3406640fc444d9f552504119cc..d4e0e5df677adf31913d2b457d12731dc2640b0a 100644
--- a/src/tables.c
+++ b/src/tables.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/tables.h b/src/tables.h
index e05b81845168a5b40505bcc57792714f9735db1e..1ea49a62fd43c854078a7d209a9cb786ca56a65f 100644
--- a/src/tables.h
+++ b/src/tables.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/tmap.nas b/src/tmap.nas
index 16f53f535041fc4bf8cf0556c51f9682284b4ff8..78840106ff488a2d86627d2e03eaa08199f753a5 100644
--- a/src/tmap.nas
+++ b/src/tmap.nas
@@ -1,7 +1,7 @@
 ;; SONIC ROBO BLAST 2
 ;;-----------------------------------------------------------------------------
 ;; Copyright (C) 1998-2000 by DooM Legacy Team.
-;; Copyright (C) 1999-2016 by Sonic Team Junior.
+;; Copyright (C) 1999-2018 by Sonic Team Junior.
 ;;
 ;; This program is free software distributed under the
 ;; terms of the GNU General Public License, version 2.
diff --git a/src/tmap.s b/src/tmap.s
index a828a9d46af0a7a22bc15cb02214fcc1d4e45a20..babd4ec1aac78cdd4cfe84f3fa54f2406032b202 100644
--- a/src/tmap.s
+++ b/src/tmap.s
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -13,7 +13,7 @@
 // structures, must match the C structures!
 #include "asm_defs.inc"
 
-// Rappel: seuls EAX, ECX, EDX peuvent �tre �cras�s librement.
+// Rappel: seuls EAX, ECX, EDX peuvent �tre �cras�s librement.
 //         il faut sauver esi,edi, cd...gs
 
 /* Attention aux comparaisons!                                              */
@@ -28,7 +28,7 @@
 /*              cmp     A,B                     // B-A , set flags          */
 /*              jg      B_greater_than_A                                    */
 /*                                                                          */
-/*        (soustrait l'op�rande source DE l'op�rande destination,           */
+/*        (soustrait l'op�rande source DE l'op�rande destination,           */
 /*         comme sur Motorola! )                                            */
 
 // RAPPEL: Intel
@@ -66,7 +66,7 @@ C(vidwidth):    .long   0       //use this one out of the inner loops
 .globl C(ASM_PatchRowBytes)
 C(ASM_PatchRowBytes):
     pushl   %ebp
-    movl    %esp, %ebp      // assure l'"adressabilit� du stack"
+    movl    %esp, %ebp      // assure l'"adressabilit� du stack"
 
     movl    ARG1, %edx         // read first arg
     movl    %edx, C(vidwidth)
diff --git a/src/tmap_asm.s b/src/tmap_asm.s
index e8b7af1cd82b915835adf93da08380be15c31cc9..99cb0b627abe6703ef7ebdc785f93d101ef6140c 100644
--- a/src/tmap_asm.s
+++ b/src/tmap_asm.s
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/tmap_mmx.nas b/src/tmap_mmx.nas
index 187beec71979bd392a7abba19054abd36c715e12..39380a06528392abab41495f3f7e34046861fa14 100644
--- a/src/tmap_mmx.nas
+++ b/src/tmap_mmx.nas
@@ -1,7 +1,7 @@
 ;; SONIC ROBO BLAST 2
 ;;-----------------------------------------------------------------------------
 ;; Copyright (C) 1998-2000 by DOSDOOM.
-;; Copyright (C) 2010-2016 by Sonic Team Junior.
+;; Copyright (C) 2010-2018 by Sonic Team Junior.
 ;;
 ;; This program is free software distributed under the
 ;; terms of the GNU General Public License, version 2.
diff --git a/src/tmap_vc.nas b/src/tmap_vc.nas
index 8fe39ec8971d8be0755b1c6158bb4724eff64ade..e943d48d860209200bda8434925e3b45333f1b10 100644
--- a/src/tmap_vc.nas
+++ b/src/tmap_vc.nas
@@ -1,7 +1,7 @@
 ;; SONIC ROBO BLAST 2
 ;;-----------------------------------------------------------------------------
 ;; Copyright (C) 1998-2000 by DooM Legacy Team.
-;; Copyright (C) 1999-2016 by Sonic Team Junior.
+;; Copyright (C) 1999-2018 by Sonic Team Junior.
 ;;
 ;; This program is free software distributed under the
 ;; terms of the GNU General Public License, version 2.
diff --git a/src/v_video.c b/src/v_video.c
index aa2852c01316d2f6f414d85d60c7e28d0681fff0..35b848f98d052b7fbe41f64d0e3a9648dc991882 100644
--- a/src/v_video.c
+++ b/src/v_video.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -331,7 +331,6 @@ void V_DrawFixedPatch(fixed_t x, fixed_t y, fixed_t pscale, INT32 scrn, patch_t
 {
 	UINT8 (*patchdrawfunc)(const UINT8*, const UINT8*, fixed_t);
 	UINT32 alphalevel = 0;
-	boolean flip = false;
 
 	fixed_t col, ofs, colfrac, rowfrac, fdup;
 	INT32 dupx, dupy;
@@ -345,8 +344,8 @@ void V_DrawFixedPatch(fixed_t x, fixed_t y, fixed_t pscale, INT32 scrn, patch_t
 		return;
 
 #ifdef HWRENDER
-	// oh please
-	if (rendermode != render_soft && !con_startup)
+	//if (rendermode != render_soft && !con_startup)		// Why?
+	if (rendermode != render_soft)
 	{
 		HWR_DrawFixedPatch((GLPatch_t *)patch, x, y, pscale, scrn, colormap);
 		return;
@@ -406,22 +405,32 @@ void V_DrawFixedPatch(fixed_t x, fixed_t y, fixed_t pscale, INT32 scrn, patch_t
 	colfrac = FixedDiv(FRACUNIT, fdup);
 	rowfrac = FixedDiv(FRACUNIT, fdup);
 
-	if (scrn & V_OFFSET) // Crosshair shit
+	// So it turns out offsets aren't scaled in V_NOSCALESTART unless V_OFFSET is applied ...poo, that's terrible
+	// For now let's just at least give V_OFFSET the ability to support V_FLIP
+	// I'll probably make a better fix for 2.2 where I don't have to worry about breaking existing support for stuff
+	// -- Monster Iestyn 29/10/18
 	{
-		y -= FixedMul((SHORT(patch->topoffset)*dupy)<<FRACBITS,  pscale);
-		x -= FixedMul((SHORT(patch->leftoffset)*dupx)<<FRACBITS, pscale);
-	}
-	else
-	{
-		y -= FixedMul(SHORT(patch->topoffset)<<FRACBITS, pscale);
+		fixed_t offsetx = 0, offsety = 0;
 
+		// left offset
 		if (scrn & V_FLIP)
+			offsetx = FixedMul((SHORT(patch->width) - SHORT(patch->leftoffset))<<FRACBITS, pscale) + 1;
+		else
+			offsetx = FixedMul(SHORT(patch->leftoffset)<<FRACBITS, pscale);
+
+		// top offset
+		// TODO: make some kind of vertical version of V_FLIP, maybe by deprecating V_OFFSET in future?!?
+		offsety = FixedMul(SHORT(patch->topoffset)<<FRACBITS, pscale);
+
+		if ((scrn & (V_NOSCALESTART|V_OFFSET)) == (V_NOSCALESTART|V_OFFSET)) // Multiply by dupx/dupy for crosshairs
 		{
-			flip = true;
-			x -= FixedMul((SHORT(patch->width) - SHORT(patch->leftoffset))<<FRACBITS, pscale) + 1;
+			offsetx = FixedMul(offsetx, dupx<<FRACBITS);
+			offsety = FixedMul(offsety, dupy<<FRACBITS);
 		}
-		else
-			x -= FixedMul(SHORT(patch->leftoffset)<<FRACBITS, pscale);
+
+		// Subtract the offsets from x/y positions
+		x -= offsetx;
+		y -= offsety;
 	}
 
 	if (scrn & V_SPLITSCREEN)
@@ -497,7 +506,7 @@ void V_DrawFixedPatch(fixed_t x, fixed_t y, fixed_t pscale, INT32 scrn, patch_t
 	for (col = 0; (col>>FRACBITS) < SHORT(patch->width); col += colfrac, ++offx, desttop++)
 	{
 		INT32 topdelta, prevdelta = -1;
-		if (flip) // offx is measured from right edge instead of left
+		if (scrn & V_FLIP) // offx is measured from right edge instead of left
 		{
 			if (x+pwidth-offx < 0) // don't draw off the left of the screen (WRAP PREVENTION)
 				break;
@@ -521,7 +530,7 @@ void V_DrawFixedPatch(fixed_t x, fixed_t y, fixed_t pscale, INT32 scrn, patch_t
 			prevdelta = topdelta;
 			source = (const UINT8 *)(column) + 3;
 			dest = desttop;
-			if (flip)
+			if (scrn & V_FLIP)
 				dest = deststart + (destend - desttop);
 			dest += FixedInt(FixedMul(topdelta<<FRACBITS,fdup))*vid.width;
 
@@ -653,14 +662,10 @@ void V_DrawCroppedPatch(fixed_t x, fixed_t y, fixed_t pscale, INT32 scrn, patch_
 //
 void V_DrawContinueIcon(INT32 x, INT32 y, INT32 flags, INT32 skinnum, UINT8 skincolor)
 {
-	if (skins[skinnum].flags & SF_HIRES
-#ifdef HWRENDER
-//	|| (rendermode != render_soft && rendermode != render_none)
-#endif
-	)
-		V_DrawScaledPatch(x - 10, y - 14, flags, W_CachePatchName("CONTINS", PU_CACHE));
+	if (skinnum < 0 || skinnum >= numskins || (skins[skinnum].flags & SF_HIRES))
+		V_DrawScaledPatch(x - 10, y - 14, flags, W_CachePatchName("CONTINS", PU_CACHE)); // Draw a star
 	else
-	{
+	{ // Find front angle of the first waiting frame of the character's actual sprites
 		spriteframe_t *sprframe = &skins[skinnum].spritedef.spriteframes[2 & FF_FRAMEMASK];
 		patch_t *patch = W_CachePatchNum(sprframe->lumppat[0], PU_CACHE);
 		const UINT8 *colormap = R_GetTranslationColormap(skinnum, skincolor, GTC_CACHE);
diff --git a/src/v_video.h b/src/v_video.h
index 353f84c1d973223e642436000f1464211fdeb7a0..a60a08a5bb5349c3477214e0c527a42005ec0efe 100644
--- a/src/v_video.h
+++ b/src/v_video.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/vid_copy.s b/src/vid_copy.s
index 9d8e7d4e09ad17d35d78636577f8279e426209ae..050a80999c86a29408affa4e017301e2d42fc537 100644
--- a/src/vid_copy.s
+++ b/src/vid_copy.s
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/w_wad.c b/src/w_wad.c
index 3a8285593e81cf067750712cce9468a57fce771c..4cedd3cf46d6982516c7d694f94fc3b7dd353aa2 100644
--- a/src/w_wad.c
+++ b/src/w_wad.c
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -194,16 +194,21 @@ static inline void W_LoadDehackedLumps(UINT16 wadnum)
 		for (lump = 0; lump < wadfiles[wadnum]->numlumps; lump++, lump_p++)
 			if (memcmp(lump_p->name,"SOC_",4)==0) // Check for generic SOC lump
 			{	// shameless copy+paste of code from LUA_LoadLump
-				char *name = malloc(strlen(wadfiles[wadnum]->filename)+10);
+				size_t len = strlen(wadfiles[wadnum]->filename);
+				char *name = malloc(len+10);
+
 				strcpy(name, wadfiles[wadnum]->filename);
-				if (!fasticmp(&name[strlen(name) - 4], ".soc")) {
+				if (!fasticmp(&name[len - 4], ".soc")) {
 					// If it's not a .soc file, copy the lump name in too.
-					name[strlen(wadfiles[wadnum]->filename)] = '|';
-					M_Memcpy(name+strlen(wadfiles[wadnum]->filename)+1, lump_p->name, 8);
-					name[strlen(wadfiles[wadnum]->filename)+9] = '\0';
+					name[len] = '|';
+					M_Memcpy(name+len+1, lump_p->name, 8);
+					name[len+9] = '\0';
 				}
+
 				CONS_Printf(M_GetText("Loading SOC from %s\n"), name);
 				DEH_LoadDehackedLumpPwad(wadnum, lump);
+
+				free(name);
 			}
 			else if (memcmp(lump_p->name,"MAINCFG",8)==0) // Check for MAINCFG
 			{
@@ -376,6 +381,8 @@ UINT16 W_LoadWadFile(const char *filename)
 		if (fread(&header, 1, sizeof header, handle) < sizeof header)
 		{
 			CONS_Alert(CONS_ERROR, M_GetText("Can't read wad header from %s because %s\n"), filename, strerror(ferror(handle)));
+			if (handle)
+				fclose(handle);
 			return INT16_MAX;
 		}
 
@@ -386,6 +393,8 @@ UINT16 W_LoadWadFile(const char *filename)
 			&& memcmp(header.identification, "SDLL", 4) != 0)
 		{
 			CONS_Alert(CONS_ERROR, M_GetText("%s does not have a valid WAD header\n"), filename);
+			if (handle)
+				fclose(handle);
 			return INT16_MAX;
 		}
 
@@ -400,6 +409,8 @@ UINT16 W_LoadWadFile(const char *filename)
 		{
 			CONS_Alert(CONS_ERROR, M_GetText("Wadfile directory in %s is corrupted (%s)\n"), filename, strerror(ferror(handle)));
 			free(fileinfov);
+			if (handle)
+				fclose(handle);
 			return INT16_MAX;
 		}
 
@@ -457,6 +468,8 @@ UINT16 W_LoadWadFile(const char *filename)
 		if (!memcmp(wadfiles[i]->md5sum, md5sum, 16))
 		{
 			CONS_Alert(CONS_ERROR, M_GetText("%s is already loaded\n"), filename);
+			if (handle)
+				fclose(handle);
 			return INT16_MAX;
 		}
 	}
diff --git a/src/w_wad.h b/src/w_wad.h
index f7ea64a565098c4d7e3df0ab0ff30c37f1ba05e2..320bc32206a2506fb965579a463d2329b0e37af9 100644
--- a/src/w_wad.h
+++ b/src/w_wad.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -48,7 +48,7 @@ typedef struct
 //                         DYNAMIC WAD LOADING
 // =========================================================================
 
-#define MAX_WADPATH 128
+#define MAX_WADPATH 512
 #define MAX_WADFILES 48 // maximum of wad files used at the same time
 // (there is a max of simultaneous open files anyway, and this should be plenty)
 
diff --git a/src/win32/Makefile.cfg b/src/win32/Makefile.cfg
index 749734a727512fe87d3856d74e94a2902b31cb3a..a73858bd46c41a1abac7da190aee236423f1fbe8 100644
--- a/src/win32/Makefile.cfg
+++ b/src/win32/Makefile.cfg
@@ -9,6 +9,9 @@
 ifdef MINGW64
 	NOASM=1
 	NONX86=1
+	HAVE_LIBGME=1
+	LIBGME_CFLAGS=-I../libs/gme/include
+	LIBGME_LDFLAGS=-L../libs/gme/win64 -lgme
 	SDL_CFLAGS?=-I../libs/SDL2/x86_64-w64-mingw32/include/SDL2 -I../libs/SDL2_mixer/x86_64-w64-mingw32/include/SDL2 -Dmain=SDL_main
 	SDL_LDFLAGS?=-L../libs/SDL2/x86_64-w64-mingw32/lib -L../libs/SDL2_mixer/x86_64-w64-mingw32/lib -lmingw32 -lSDL2main -lSDL2 -mwindows
 else
@@ -23,7 +26,9 @@ ifndef NOASM
 	USEASM=1
 endif
 
+ifndef MINGW64 #miniupnc is broken with MINGW64
 	HAVE_MINIUPNPC=1
+endif
 
 	OPTS=-DSTDC_HEADERS
 
diff --git a/src/win32/Srb2win-vc10.vcxproj b/src/win32/Srb2win-vc10.vcxproj
index 064f75d7d06cdee1aa62d70dda03e9e28d53e6f2..0722c0b68881ce8fbd77f0611b2a72b24805e6ce 100644
--- a/src/win32/Srb2win-vc10.vcxproj
+++ b/src/win32/Srb2win-vc10.vcxproj
@@ -119,6 +119,7 @@
     <ClCompile Include="..\hardware\hw3sound.c" />
     <ClCompile Include="..\hardware\hw_bsp.c" />
     <ClCompile Include="..\hardware\hw_cache.c" />
+    <ClCompile Include="..\hardware\hw_clip.c" />
     <ClCompile Include="..\hardware\hw_draw.c" />
     <ClCompile Include="..\hardware\hw_light.c" />
     <ClCompile Include="..\hardware\hw_main.c" />
@@ -275,6 +276,7 @@
     <ClInclude Include="..\hardware\hw3dsdrv.h" />
     <ClInclude Include="..\hardware\hw3sound.h" />
     <ClInclude Include="..\hardware\hws_data.h" />
+    <ClInclude Include="..\hardware\hw_clip.h" />
     <ClInclude Include="..\hardware\hw_data.h" />
     <ClInclude Include="..\hardware\hw_defs.h" />
     <ClInclude Include="..\hardware\hw_dll.h" />
diff --git a/src/win32/Srb2win-vc10.vcxproj.filters b/src/win32/Srb2win-vc10.vcxproj.filters
index b2647ea1c21518389b7061276f6464d05998721b..95e79cab1764cc23423bc97bc933da8064a81ca1 100644
--- a/src/win32/Srb2win-vc10.vcxproj.filters
+++ b/src/win32/Srb2win-vc10.vcxproj.filters
@@ -93,6 +93,9 @@
     <ClCompile Include="..\hardware\hw_cache.c">
       <Filter>Hw_Hardware</Filter>
     </ClCompile>
+    <ClCompile Include="..\hardware\hw_clip.c">
+      <Filter>Hw_Hardware</Filter>
+    </ClCompile>
     <ClCompile Include="..\hardware\hw_draw.c">
       <Filter>Hw_Hardware</Filter>
     </ClCompile>
@@ -470,6 +473,9 @@
     <ClInclude Include="win_main.h">
       <Filter>Win32app</Filter>
     </ClInclude>
+    <ClInclude Include="..\hardware\hw_clip.h">
+      <Filter>Hw_Hardware</Filter>
+    </ClInclude>
     <ClInclude Include="..\hardware\hw_data.h">
       <Filter>Hw_Hardware</Filter>
     </ClInclude>
diff --git a/src/win32/Srb2win.rc b/src/win32/Srb2win.rc
index 426a5e01301a1cf0c7f21bcdf3b784a32f2066f3..b60ba750d06cbc8e3413a02b9aebc5f335852fd7 100644
--- a/src/win32/Srb2win.rc
+++ b/src/win32/Srb2win.rc
@@ -36,18 +36,18 @@ IDI_ICON1               ICON    DISCARDABLE     "Srb2win.ico"
 // TEXTINCLUDE
 //
 
-1 TEXTINCLUDE DISCARDABLE 
+1 TEXTINCLUDE DISCARDABLE
 BEGIN
     "resource.h\0"
 END
 
-2 TEXTINCLUDE DISCARDABLE 
+2 TEXTINCLUDE DISCARDABLE
 BEGIN
     "#include ""afxres.h""\r\n"
     "\0"
 END
 
-3 TEXTINCLUDE DISCARDABLE 
+3 TEXTINCLUDE DISCARDABLE
 BEGIN
     "\r\n"
     "\0"
@@ -84,7 +84,7 @@ BEGIN
             VALUE "FileDescription", "Sonic Robo Blast 2\0"
             VALUE "FileVersion", "1, 09\0"
             VALUE "InternalName", "srb2\0"
-            VALUE "LegalCopyright", "Copyright � 1998-2005 Sonic Team Junior\0"
+            VALUE "LegalCopyright", "Copyright � 1998-2018 by Sonic Team Junior\0"
             VALUE "LegalTrademarks", "Sonic the Hedgehog and related characters are trademarks of Sega.\0"
             VALUE "OriginalFilename", "srb2win.exe\0"
             VALUE "PrivateBuild", "\0"
diff --git a/src/win32/win_cd.c b/src/win32/win_cd.c
index f6c430748e26e42f1654478e061c00ab8fef5877..2586b84405649d431e673d1f7c8e4bb3a4d27a9c 100644
--- a/src/win32/win_cd.c
+++ b/src/win32/win_cd.c
@@ -471,7 +471,7 @@ void I_PlayCD(UINT8 nTrack, UINT8 bLooping)
 	//faB: stop MIDI music, MIDI music will restart if volume is upped later
 	cv_digmusicvolume.value = 0;
 	cv_midimusicvolume.value = 0;
-	I_StopSong (0);
+	I_StopSong();
 
 	//faB: I don't use the notify message, I'm trying to minimize the delay
 	mciPlay.dwCallback = (DWORD)((size_t)hWndMain);
diff --git a/src/win32/win_dll.c b/src/win32/win_dll.c
index c9b3fba4eea522aec31a6e956387939cdc7665b0..71eda04371d4223dedcd5e193d8c27ed8cf0f70d 100644
--- a/src/win32/win_dll.c
+++ b/src/win32/win_dll.c
@@ -148,7 +148,7 @@ static loadfunc_t hwdFuncTable[] = {
 #ifdef SHUFFLE
 	{"PostImgRedraw",       &hwdriver.pfnPostImgRedraw},
 #endif
-	{"FlushScreenTextures"},&hwdriver.pfnFlushScreenTextures},
+	{"FlushScreenTextures", &hwdriver.pfnFlushScreenTextures},
 	{"StartScreenWipe",     &hwdriver.pfnStartScreenWipe},
 	{"EndScreenWipe",       &hwdriver.pfnEndScreenWipe},
 	{"DoScreenWipe",        &hwdriver.pfnDoScreenWipe},
diff --git a/src/win32/win_main.c b/src/win32/win_main.c
index 6c774f5576dad667e64f990b2082df815049b563..bfe620a4343e88a45d8389005ba10df86aa409f3 100644
--- a/src/win32/win_main.c
+++ b/src/win32/win_main.c
@@ -110,9 +110,9 @@ static LRESULT CALLBACK MainWndproc(HWND hWnd, UINT message, WPARAM wParam, LPAR
 
 			// pause music when alt-tab
 			if (appActive  && !paused)
-				I_ResumeSong(0);
+				I_ResumeSong();
 			else if (!paused)
-				I_PauseSong(0);
+				I_PauseSong();
 			{
 				HANDLE ci = GetStdHandle(STD_INPUT_HANDLE);
 				DWORD mode;
diff --git a/src/win32/win_snd.c b/src/win32/win_snd.c
index f168f1fe35efae4e483dd417142515f1849fe734..454c53e37ee7d5a1fa72bdebbeff9715f94855e6 100644
--- a/src/win32/win_snd.c
+++ b/src/win32/win_snd.c
@@ -17,17 +17,13 @@
 #include "gme/gme.h"
 #define GME_TREBLE 5.0
 #define GME_BASS 1.0
-#ifdef HAVE_PNG /// TODO: compile with zlib support without libpng
-
-#define HAVE_ZLIB
 
+#ifdef HAVE_ZLIB
 #ifndef _MSC_VER
-#ifndef _WII
 #ifndef _LARGEFILE64_SOURCE
 #define _LARGEFILE64_SOURCE
 #endif
 #endif
-#endif
 
 #ifndef _LFS64_LARGEFILE
 #define _LFS64_LARGEFILE
@@ -38,13 +34,12 @@
 #endif
 
 #include "zlib.h"
-#endif
-#endif
+#endif // HAVE_ZLIB
+#endif // HAVE_LIBGME
 
 static FMOD_SYSTEM *fsys;
 static FMOD_SOUND *music_stream;
 static FMOD_CHANNEL *music_channel;
-static boolean midimode;
 
 static UINT8 music_volume, midi_volume, sfx_volume;
 static INT32 current_track;
@@ -357,12 +352,13 @@ void I_FreeSfx(sfxinfo_t *sfx)
 	sfx->data = NULL;
 }
 
-INT32 I_StartSound(sfxenum_t id, UINT8 vol, UINT8 sep, UINT8 pitch, UINT8 priority)
+INT32 I_StartSound(sfxenum_t id, UINT8 vol, UINT8 sep, UINT8 pitch, UINT8 priority, INT32 channel)
 {
 	FMOD_SOUND *sound;
 	FMOD_CHANNEL *chan;
 	INT32 i;
 	float frequency;
+	(void)channel;
 
 	sound = (FMOD_SOUND *)S_sfx[id].data;
 	I_Assert(sound != NULL);
@@ -442,9 +438,9 @@ void I_SetSfxVolume(UINT8 volume)
 	sfx_volume = volume;
 }
 
-//
-// MUSIC
-//
+/// ------------------------
+//  MUSIC SYSTEM
+/// ------------------------
 
 void I_InitMusic(void)
 {
@@ -452,53 +448,117 @@ void I_InitMusic(void)
 
 void I_ShutdownMusic(void)
 {
-	I_ShutdownDigMusic();
-	I_ShutdownMIDIMusic();
+	I_StopSong();
 }
 
-void I_PauseSong(INT32 handle)
-{
-	UNREFERENCED_PARAMETER(handle);
-	if (music_stream)
-		FMR_MUSIC(FMOD_Channel_SetPaused(music_channel, true));
-}
+/// ------------------------
+//  MUSIC PROPERTIES
+/// ------------------------
 
-void I_ResumeSong(INT32 handle)
+musictype_t I_SongType(void)
 {
-	UNREFERENCED_PARAMETER(handle);
-	if (music_stream)
-		FMR_MUSIC(FMOD_Channel_SetPaused(music_channel, false));
+	FMOD_SOUND_TYPE type;
+
+#ifdef HAVE_LIBGME
+	if (gme)
+		return MU_GME;
+#endif
+
+	if (!music_stream)
+		return MU_NONE;
+
+	if (FMOD_Sound_GetFormat(music_stream, &type, NULL, NULL, NULL) == FMOD_OK)
+	{
+		switch(type)
+		{
+			case FMOD_SOUND_TYPE_WAV:
+				return MU_WAV;
+			case FMOD_SOUND_TYPE_MOD:
+				return MU_MOD;
+			case FMOD_SOUND_TYPE_MIDI:
+				return MU_MID;
+			case FMOD_SOUND_TYPE_OGGVORBIS:
+				return MU_OGG;
+			case FMOD_SOUND_TYPE_MPEG:
+				return MU_MP3;
+			case FMOD_SOUND_TYPE_FLAC:
+				return MU_FLAC;
+			default:
+				return MU_NONE;
+		}
+	}
+	else
+		return MU_NONE;
 }
 
-void I_InitDigMusic(void)
+boolean I_SongPlaying(void)
 {
+	return (music_stream != NULL);
 }
 
-void I_ShutdownDigMusic(void)
+boolean I_SongPaused(void)
 {
-	if (!midimode)
-		I_StopDigSong();
+	FMOD_BOOL fmpaused = false;
+	if (music_stream)
+		FMOD_Channel_GetPaused(music_channel, &fmpaused);
+	return (boolean)fmpaused;
 }
 
-boolean I_StartDigSong(const char *musicname, boolean looping)
+/// ------------------------
+//  MUSIC EFFECTS
+/// ------------------------
+
+boolean I_SetSongSpeed(float speed)
 {
-	char *data;
-	size_t len;
-	FMOD_CREATESOUNDEXINFO fmt;
-	lumpnum_t lumpnum = W_CheckNumForName(va("O_%s",musicname));
+	FMOD_RESULT e;
+	float frequency;
+	if (!music_stream)
+		return false;
+	if (speed > 250.0f)
+		speed = 250.0f; //limit speed up to 250x
 
-	if (lumpnum == LUMPERROR)
+#ifdef HAVE_LIBGME
+	// Try to set GME speed
+	if (gme)
 	{
-		lumpnum = W_CheckNumForName(va("D_%s",musicname));
-		if (lumpnum == LUMPERROR)
-			return false;
-		midimode = true;
+		gme_set_tempo(gme, speed);
+		return true;
+	}
+#endif
+
+	// Try to set Mod/Midi speed
+	e = FMOD_Sound_SetMusicSpeed(music_stream, speed);
+
+	if (e == FMOD_ERR_FORMAT)
+	{
+		// Just change pitch instead for Ogg/etc.
+		FMR(FMOD_Sound_GetDefaults(music_stream, &frequency, NULL, NULL, NULL));
+		FMR_MUSIC(FMOD_Channel_SetFrequency(music_channel, speed*frequency));
 	}
 	else
-		midimode = false;
+		FMR_MUSIC(e);
 
-	data = (char *)W_CacheLumpNum(lumpnum, PU_MUSIC);
-	len = W_LumpLength(lumpnum);
+	return true;
+}
+
+/// ------------------------
+//  MUSIC PLAYBACK
+/// ------------------------
+
+boolean I_LoadSong(char *data, size_t len)
+{
+	FMOD_CREATESOUNDEXINFO fmt;
+	FMOD_RESULT e;
+	FMOD_TAG tag;
+	unsigned int loopstart, loopend;
+
+	if (
+#ifdef HAVE_LIBGME
+		gme ||
+#endif
+		music_stream
+	)
+		I_UnloadSong();
 
 	memset(&fmt, 0, sizeof(FMOD_CREATESOUNDEXINFO));
 	fmt.cbsize = sizeof(FMOD_CREATESOUNDEXINFO);
@@ -533,8 +593,6 @@ boolean I_StartDigSong(const char *musicname, boolean looping)
 					gme_equalizer_t gmeq = {GME_TREBLE, GME_BASS, 0,0,0,0,0,0,0,0};
 					Z_Free(inflatedData); // GME supposedly makes a copy for itself, so we don't need this lying around
 					Z_Free(data); // We don't need this, either.
-					gme_start_track(gme, 0);
-					current_track = 0;
 					gme_set_equalizer(gme,&gmeq);
 					fmt.format = FMOD_SOUND_FORMAT_PCM16;
 					fmt.defaultfrequency = 44100;
@@ -543,10 +601,7 @@ boolean I_StartDigSong(const char *musicname, boolean looping)
 					fmt.decodebuffersize = (44100 * 2) / 35;
 					fmt.pcmreadcallback = GMEReadCallback;
 					fmt.userdata = gme;
-					FMR(FMOD_System_CreateStream(fsys, NULL, FMOD_OPENUSER | (looping ? FMOD_LOOP_NORMAL : 0), &fmt, &music_stream));
-					FMR(FMOD_System_PlaySound(fsys, FMOD_CHANNEL_FREE, music_stream, false, &music_channel));
-					FMR(FMOD_Channel_SetVolume(music_channel, music_volume / 31.0));
-					FMR(FMOD_Channel_SetPriority(music_channel, 0));
+					FMR(FMOD_System_CreateStream(fsys, NULL, FMOD_OPENUSER, &fmt, &music_stream));
 					return true;
 				}
 			}
@@ -605,8 +660,6 @@ boolean I_StartDigSong(const char *musicname, boolean looping)
 	{
 		gme_equalizer_t gmeq = {GME_TREBLE, GME_BASS, 0,0,0,0,0,0,0,0};
 		Z_Free(data); // We don't need this anymore.
-		gme_start_track(gme, 0);
-		current_track = 0;
 		gme_set_equalizer(gme,&gmeq);
 		fmt.format = FMOD_SOUND_FORMAT_PCM16;
 		fmt.defaultfrequency = 44100;
@@ -615,149 +668,153 @@ boolean I_StartDigSong(const char *musicname, boolean looping)
 		fmt.decodebuffersize = (44100 * 2) / 35;
 		fmt.pcmreadcallback = GMEReadCallback;
 		fmt.userdata = gme;
-		FMR(FMOD_System_CreateStream(fsys, NULL, FMOD_OPENUSER | (looping ? FMOD_LOOP_NORMAL : 0), &fmt, &music_stream));
-		FMR(FMOD_System_PlaySound(fsys, FMOD_CHANNEL_FREE, music_stream, false, &music_channel));
-		FMR(FMOD_Channel_SetVolume(music_channel, music_volume / 31.0));
-		FMR(FMOD_Channel_SetPriority(music_channel, 0));
+		FMR(FMOD_System_CreateStream(fsys, NULL, FMOD_OPENUSER, &fmt, &music_stream));
 		return true;
 	}
 #endif
 
 	fmt.length = len;
+
+	e = FMOD_System_CreateStream(fsys, data, FMOD_OPENMEMORY_POINT, &fmt, &music_stream);
+	if (e != FMOD_OK)
 	{
-		FMOD_RESULT e = FMOD_System_CreateStream(fsys, data, FMOD_OPENMEMORY_POINT|(looping ? FMOD_LOOP_NORMAL : 0), &fmt, &music_stream);
-		if (e != FMOD_OK)
-		{
-			if (e == FMOD_ERR_FORMAT)
-				CONS_Alert(CONS_WARNING, "Failed to play music lump %s due to invalid format.\n", W_CheckNameForNum(lumpnum));
-			else
-				FMR(e);
-			return false;
-		}
+		if (e == FMOD_ERR_FORMAT)
+			CONS_Alert(CONS_WARNING, "Failed to play music lump due to invalid format.\n");
+		else
+			FMR(e);
+		return false;
 	}
-	FMR(FMOD_System_PlaySound(fsys, FMOD_CHANNEL_FREE, music_stream, false, &music_channel));
-	if (midimode)
-		FMR(FMOD_Channel_SetVolume(music_channel, midi_volume / 31.0));
-	else
-		FMR(FMOD_Channel_SetVolume(music_channel, music_volume / 31.0));
-	FMR(FMOD_Channel_SetPriority(music_channel, 0));
-	current_track = 0;
 
 	// Try to find a loop point in streaming music formats (ogg, mp3)
-	if (looping)
+
+	// A proper LOOPPOINT is its own tag, stupid.
+	e = FMOD_Sound_GetTag(music_stream, "LOOPPOINT", 0, &tag);
+	if (e != FMOD_ERR_TAGNOTFOUND)
 	{
-		FMOD_RESULT e;
-		FMOD_TAG tag;
-		unsigned int loopstart, loopend;
+		FMR(e);
+		loopstart = atoi((char *)tag.data); // assumed to be a string data tag.
+		FMR(FMOD_Sound_GetLoopPoints(music_stream, NULL, FMOD_TIMEUNIT_PCM, &loopend, FMOD_TIMEUNIT_PCM));
+		if (loopstart > 0)
+			FMR(FMOD_Sound_SetLoopPoints(music_stream, loopstart, FMOD_TIMEUNIT_PCM, loopend, FMOD_TIMEUNIT_PCM));
+		return true;
+	}
 
-		// A proper LOOPPOINT is its own tag, stupid.
-		e = FMOD_Sound_GetTag(music_stream, "LOOPPOINT", 0, &tag);
-		if (e != FMOD_ERR_TAGNOTFOUND)
+	// Use LOOPMS for time in miliseconds.
+	e = FMOD_Sound_GetTag(music_stream, "LOOPMS", 0, &tag);
+	if (e != FMOD_ERR_TAGNOTFOUND)
+	{
+		FMR(e);
+		loopstart = atoi((char *)tag.data); // assumed to be a string data tag.
+		FMR(FMOD_Sound_GetLoopPoints(music_stream, NULL, FMOD_TIMEUNIT_MS, &loopend, FMOD_TIMEUNIT_PCM));
+		if (loopstart > 0)
+			FMR(FMOD_Sound_SetLoopPoints(music_stream, loopstart, FMOD_TIMEUNIT_MS, loopend, FMOD_TIMEUNIT_PCM));
+		return true;
+	}
+
+	// Try to fetch it from the COMMENT tag, like A.J. Freda
+	e = FMOD_Sound_GetTag(music_stream, "COMMENT", 0, &tag);
+	if (e != FMOD_ERR_TAGNOTFOUND)
+	{
+		char *loopText;
+		// Handle any errors that arose, first
+		FMR(e);
+		// Figure out where the number starts
+		loopText = strstr((char *)tag.data,"LOOPPOINT=");
+		if (loopText != NULL)
 		{
-			FMR(e);
-			loopstart = atoi((char *)tag.data); // assumed to be a string data tag.
+			// Skip the "LOOPPOINT=" part.
+			loopText += 10;
+			// Convert it to our looppoint
+			// FMOD seems to ensure the tag is properly NULL-terminated.
+			// atoi will stop when it reaches anything that's not a number.
+			loopstart = atoi(loopText);
+			// Now do the rest like above
 			FMR(FMOD_Sound_GetLoopPoints(music_stream, NULL, FMOD_TIMEUNIT_PCM, &loopend, FMOD_TIMEUNIT_PCM));
 			if (loopstart > 0)
 				FMR(FMOD_Sound_SetLoopPoints(music_stream, loopstart, FMOD_TIMEUNIT_PCM, loopend, FMOD_TIMEUNIT_PCM));
-			return true;
-		}
-
-		// Use LOOPMS for time in miliseconds.
-		e = FMOD_Sound_GetTag(music_stream, "LOOPMS", 0, &tag);
-		if (e != FMOD_ERR_TAGNOTFOUND)
-		{
-			FMR(e);
-			loopstart = atoi((char *)tag.data); // assumed to be a string data tag.
-			FMR(FMOD_Sound_GetLoopPoints(music_stream, NULL, FMOD_TIMEUNIT_MS, &loopend, FMOD_TIMEUNIT_PCM));
-			if (loopstart > 0)
-				FMR(FMOD_Sound_SetLoopPoints(music_stream, loopstart, FMOD_TIMEUNIT_MS, loopend, FMOD_TIMEUNIT_PCM));
-			return true;
-		}
-
-		// Try to fetch it from the COMMENT tag, like A.J. Freda
-		e = FMOD_Sound_GetTag(music_stream, "COMMENT", 0, &tag);
-		if (e != FMOD_ERR_TAGNOTFOUND)
-		{
-			char *loopText;
-			// Handle any errors that arose, first
-			FMR(e);
-			// Figure out where the number starts
-			loopText = strstr((char *)tag.data,"LOOPPOINT=");
-			if (loopText != NULL)
-			{
-				// Skip the "LOOPPOINT=" part.
-				loopText += 10;
-				// Convert it to our looppoint
-				// FMOD seems to ensure the tag is properly NULL-terminated.
-				// atoi will stop when it reaches anything that's not a number.
-				loopstart = atoi(loopText);
-				// Now do the rest like above
-				FMR(FMOD_Sound_GetLoopPoints(music_stream, NULL, FMOD_TIMEUNIT_PCM, &loopend, FMOD_TIMEUNIT_PCM));
-				if (loopstart > 0)
-					FMR(FMOD_Sound_SetLoopPoints(music_stream, loopstart, FMOD_TIMEUNIT_PCM, loopend, FMOD_TIMEUNIT_PCM));
-			}
-			return true;
 		}
+		return true;
 	}
 
-	// No special loop point, but we're playing so it's all good.
+	// No special loop point
 	return true;
 }
 
-void I_StopDigSong(void)
+void I_UnloadSong(void)
 {
-	if (music_stream)
-		FMR(FMOD_Sound_Release(music_stream));
-	music_stream = NULL;
+	I_StopSong();
 #ifdef HAVE_LIBGME
 	if (gme)
+	{
 		gme_delete(gme);
-	gme = NULL;
+		gme = NULL;
+	}
 #endif
-	current_track = -1;
-}
-
-void I_SetDigMusicVolume(UINT8 volume)
-{
-	// volume is 0 to 31.
-	music_volume = volume;
-	if (!midimode && music_stream)
-		FMR_MUSIC(FMOD_Channel_SetVolume(music_channel, volume / 31.0));
+	if (music_stream)
+	{
+		FMR(FMOD_Sound_Release(music_stream));
+		music_stream = NULL;
+	}
 }
 
-boolean I_SetSongSpeed(float speed)
+boolean I_PlaySong(boolean looping)
 {
-	FMOD_RESULT e;
-	float frequency;
-	if (!music_stream)
-		return false;
-	if (speed > 250.0f)
-		speed = 250.0f; //limit speed up to 250x
-
 #ifdef HAVE_LIBGME
-	// Try to set GME speed
 	if (gme)
 	{
-		gme_set_tempo(gme, speed);
+		gme_start_track(gme, 0);
+		current_track = 0;
+		FMR(FMOD_System_PlaySound(fsys, FMOD_CHANNEL_FREE, music_stream, false, &music_channel));
+		FMR(FMOD_Channel_SetVolume(music_channel, music_volume / 31.0));
+		FMR(FMOD_Channel_SetPriority(music_channel, 0));
 		return true;
 	}
 #endif
 
-	// Try to set Mod/Midi speed
-	e = FMOD_Sound_SetMusicSpeed(music_stream, speed);
-
-	if (e == FMOD_ERR_FORMAT)
-	{
-		// Just change pitch instead for Ogg/etc.
-		FMR(FMOD_Sound_GetDefaults(music_stream, &frequency, NULL, NULL, NULL));
-		FMR_MUSIC(FMOD_Channel_SetFrequency(music_channel, speed*frequency));
-	}
+	FMR(FMOD_Sound_SetMode(music_stream, (looping ? FMOD_LOOP_NORMAL : FMOD_LOOP_OFF)));
+	FMR(FMOD_System_PlaySound(fsys, FMOD_CHANNEL_FREE, music_stream, false, &music_channel));
+	if (I_SongType() != MU_MID)
+		FMR(FMOD_Channel_SetVolume(music_channel, midi_volume / 31.0));
 	else
-		FMR_MUSIC(e);
+		FMR(FMOD_Channel_SetVolume(music_channel, music_volume / 31.0));
+	FMR(FMOD_Channel_SetPriority(music_channel, 0));
+	current_track = 0;
 
 	return true;
 }
 
+void I_StopSong(void)
+{
+	if (music_channel)
+		FMR_MUSIC(FMOD_Channel_Stop(music_channel));
+}
+
+void I_PauseSong(void)
+{
+	if (music_channel)
+		FMR_MUSIC(FMOD_Channel_SetPaused(music_channel, true));
+}
+
+void I_ResumeSong(void)
+{
+	if (music_channel)
+		FMR_MUSIC(FMOD_Channel_SetPaused(music_channel, false));
+}
+
+void I_SetMusicVolume(UINT8 volume)
+{
+	if (!music_channel)
+		return;
+
+	// volume is 0 to 31.
+	if (I_SongType() == MU_MID)
+		music_volume = 31; // windows bug hack
+	else
+		music_volume = volume;
+
+	FMR_MUSIC(FMOD_Channel_SetVolume(music_channel, music_volume / 31.0));
+}
+
 boolean I_SetSongTrack(INT32 track)
 {
 	if (track != current_track) // If the track's already playing, then why bother?
@@ -802,62 +859,3 @@ boolean I_SetSongTrack(INT32 track)
 	}
 	return false;
 }
-
-//
-// Fuck MIDI. ... Okay fine, you can have your silly D_-only mode.
-//
-
-void I_InitMIDIMusic(void)
-{
-}
-
-void I_ShutdownMIDIMusic(void)
-{
-	if (midimode)
-		I_StopSong(0);
-}
-
-void I_SetMIDIMusicVolume(UINT8 volume)
-{
-	// volume is 0 to 31.
-	midi_volume = volume;
-	if (midimode && music_stream)
-		FMR_MUSIC(FMOD_Channel_SetVolume(music_channel, volume / 31.0));
-}
-
-INT32 I_RegisterSong(void *data, size_t len)
-{
-	FMOD_CREATESOUNDEXINFO fmt;
-	memset(&fmt, 0, sizeof(FMOD_CREATESOUNDEXINFO));
-	fmt.cbsize = sizeof(FMOD_CREATESOUNDEXINFO);
-	fmt.length = len;
-	FMR(FMOD_System_CreateStream(fsys, (char *)data, FMOD_OPENMEMORY_POINT, &fmt, &music_stream));
-	return 1337;
-}
-
-boolean I_PlaySong(INT32 handle, boolean looping)
-{
-	if (1337 == handle)
-	{
-		midimode = true;
-		if (looping)
-			FMR(FMOD_Sound_SetMode(music_stream, FMOD_LOOP_NORMAL));
-		FMR(FMOD_System_PlaySound(fsys, FMOD_CHANNEL_FREE, music_stream, false, &music_channel));
-		FMR_MUSIC(FMOD_Channel_SetVolume(music_channel, midi_volume / 31.0));
-		FMR_MUSIC(FMOD_Channel_SetPriority(music_channel, 0));
-	}
-	return true;
-}
-
-void I_StopSong(INT32 handle)
-{
-	I_UnRegisterSong(handle);
-}
-
-void I_UnRegisterSong(INT32 handle)
-{
-	UNREFERENCED_PARAMETER(handle);
-	if (music_stream)
-		FMR(FMOD_Sound_Release(music_stream));
-	music_stream = NULL;
-}
diff --git a/src/win32/win_sys.c b/src/win32/win_sys.c
index 316da61d4923d07c934915f88570d75bd98d31ef..77a21f7f38fd6d4c525391be3beaaaf57781885b 100644
--- a/src/win32/win_sys.c
+++ b/src/win32/win_sys.c
@@ -771,6 +771,8 @@ void I_Quit(void)
 		ShowEndTxt(co);
 	}
 	fflush(stderr);
+	if (myargmalloc)
+		free(myargv); // Deallocate allocated memory
 	W_Shutdown();
 	exit(0);
 }
diff --git a/src/win32ce/win_snd.c b/src/win32ce/win_snd.c
index f9c6521786717c45fabd620a54a500295e82a708..14ce4add4dd42f0b42d42d1f82122acbf35cc211 100644
--- a/src/win32ce/win_snd.c
+++ b/src/win32ce/win_snd.c
@@ -538,7 +538,8 @@ INT32 I_StartSound (sfxenum_t      id,
                   INT32          vol,
                   INT32          sep,
                   INT32          pitch,
-                  INT32          priority)
+                  INT32          priority,
+				  INT32          channel)
 {
 	HRESULT     hr;
 	LPDIRECTSOUNDBUFFER     dsbuffer;
@@ -549,6 +550,7 @@ INT32 I_StartSound (sfxenum_t      id,
 #ifdef SURROUND
 	LPDIRECTSOUNDBUFFER     dssurround;
 #endif
+	(void)channel;
 
 	if (nosound)
 		return -1;
diff --git a/src/y_inter.c b/src/y_inter.c
index e7df165bfc71e666bf5b064495f154fdaa9c53d8..ea3cfc33b8ab68f9e64705934a72354b726ab67f 100644
--- a/src/y_inter.c
+++ b/src/y_inter.c
@@ -1,6 +1,6 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
-// Copyright (C) 2004-2016 by Sonic Team Junior.
+// Copyright (C) 2004-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
@@ -1440,6 +1440,7 @@ static void Y_CalculateCompetitionWinners(void)
 	UINT32 maxrings[MAXPLAYERS];
 	UINT32 monitors[MAXPLAYERS];
 	UINT32 scores[MAXPLAYERS];
+	char tempname[9];
 
 	memset(data.competition.points, 0, sizeof (data.competition.points));
 	memset(points, 0, sizeof (points));
@@ -1531,8 +1532,9 @@ static void Y_CalculateCompetitionWinners(void)
 		data.competition.monitors[data.competition.numplayers] = monitors[winner];
 		data.competition.scores[data.competition.numplayers] = scores[winner];
 
-		snprintf(data.competition.name[data.competition.numplayers], 9, "%s", player_names[winner]);
-		data.competition.name[data.competition.numplayers][8] = '\0';
+		strncpy(tempname, player_names[winner], 8);
+		tempname[8] = '\0';
+		strncpy(data.competition.name[data.competition.numplayers], tempname, 9);
 
 		data.competition.color[data.competition.numplayers] = &players[winner].skincolor;
 		data.competition.character[data.competition.numplayers] = &players[winner].skin;
@@ -1904,4 +1906,5 @@ static void Y_UnloadData(void)
 			//are not handled
 			break;
 	}
+
 }
diff --git a/src/y_inter.h b/src/y_inter.h
index 9fe95fcc4868bbc065f666ea0d97c6445c0551fb..d7d3c95d715f6f61073de34515a47f528bbe08a3 100644
--- a/src/y_inter.h
+++ b/src/y_inter.h
@@ -1,6 +1,6 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
-// Copyright (C) 2004-2016 by Sonic Team Junior.
+// Copyright (C) 2004-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/z_zone.c b/src/z_zone.c
index eecb6e808d33d58085d98cd42a199f6af49d9671..a3e13422f9bed1d569a84eb25f9419993ed66309 100644
--- a/src/z_zone.c
+++ b/src/z_zone.c
@@ -1,7 +1,7 @@
 // SONIC ROBO BLAST 2
 //-----------------------------------------------------------------------------
 // Copyright (C) 2006      by Graue.
-// Copyright (C) 2006-2016 by Sonic Team Junior.
+// Copyright (C) 2006-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/src/z_zone.h b/src/z_zone.h
index cd5fb2f7cd3a82a3b6fd70adfea06a22b55ec986..1424a3782b9263cb40891589c8495bcd34e4dcfb 100644
--- a/src/z_zone.h
+++ b/src/z_zone.h
@@ -2,7 +2,7 @@
 //-----------------------------------------------------------------------------
 // Copyright (C) 1993-1996 by id Software, Inc.
 // Copyright (C) 1998-2000 by DooM Legacy Team.
-// Copyright (C) 1999-2016 by Sonic Team Junior.
+// Copyright (C) 1999-2018 by Sonic Team Junior.
 //
 // This program is free software distributed under the
 // terms of the GNU General Public License, version 2.
diff --git a/tools/masterserver/structure.sql b/tools/masterserver/structure.sql
new file mode 100644
index 0000000000000000000000000000000000000000..3cc2cb15bbcfa24f4bdd37968bc982bbeb5f87ca
--- /dev/null
+++ b/tools/masterserver/structure.sql
@@ -0,0 +1,117 @@
+SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
+SET AUTOCOMMIT = 0;
+START TRANSACTION;
+SET time_zone = "+00:00";
+
+
+/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
+/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
+/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
+/*!40101 SET NAMES utf8mb4 */;
+
+--
+-- Database: `srb2ms`
+--
+
+CREATE DATABASE IF NOT EXISTS `srb2ms` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;
+USE `srb2ms`;
+
+
+-- --------------------------------------------------------
+
+--
+-- Table structure for table `ms_bans`
+--
+
+CREATE TABLE `ms_bans` (
+  `bid` int(11) DEFAULT NULL,
+  `ipstart` int(11) DEFAULT NULL,
+  `ipend` int(11) DEFAULT NULL,
+  `full_endtime` int(11) DEFAULT NULL,
+  `permanent` tinyint(1) DEFAULT NULL,
+  `hostonly` tinyint(1) DEFAULT NULL,
+  `reason` text COLLATE utf8mb4_unicode_ci
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+-- --------------------------------------------------------
+
+--
+-- Table structure for table `ms_rooms`
+--
+
+CREATE TABLE `ms_rooms` (
+  `room_id` int(11) NOT NULL,
+  `title` text COLLATE utf8mb4_unicode_ci NOT NULL,
+  `motd` text COLLATE utf8mb4_unicode_ci NOT NULL,
+  `visible` tinyint(1) NOT NULL,
+  `order` int(11) NOT NULL,
+  `private` tinyint(1) NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+--
+-- Dumping data for table `ms_rooms`
+--
+
+INSERT INTO `ms_rooms` (`room_id`, `title`, `motd`, `visible`, `order`, `private`) VALUES
+(10, 'Example', 'Example Room', 1, 0, 0),
+(0, 'All', 'View all of the servers currently being hosted.', 1, 1, 1);
+
+-- --------------------------------------------------------
+
+--
+-- Table structure for table `ms_servers`
+--
+
+CREATE TABLE `ms_servers` (
+  `sid` int(11) NOT NULL,
+  `name` text COLLATE utf8mb4_unicode_ci NOT NULL,
+  `ip` text COLLATE utf8mb4_unicode_ci NOT NULL,
+  `port` int(11) NOT NULL,
+  `version` text COLLATE utf8mb4_unicode_ci NOT NULL,
+  `timestamp` int(11) NOT NULL,
+  `room` int(11) NOT NULL,
+  `key` text COLLATE utf8mb4_unicode_ci NOT NULL,
+  `room_override` int(11) NOT NULL,
+  `upnow` tinyint(1) NOT NULL,
+  `permanent` tinyint(1) NOT NULL,
+  `delisted` tinyint(1) NOT NULL,
+  `sticky` int(11) NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+-- --------------------------------------------------------
+
+--
+-- Table structure for table `ms_versions`
+--
+
+CREATE TABLE `ms_versions` (
+  `mod_id` int(11) NOT NULL,
+  `mod_version` int(11) NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+
+--
+-- Dumping data for table `ms_versions`
+--
+
+INSERT INTO `ms_versions` (`mod_id`, `mod_version`) VALUES
+(12, 25);
+
+-- --------------------------------------------------------
+
+--
+-- Table structure for table `user`
+--
+
+CREATE TABLE `user` (
+  `userid` int(11) NOT NULL,
+  `username` text COLLATE utf8mb4_unicode_ci NOT NULL,
+  `live_authkey` blob NOT NULL,
+  `live_publickey` blob NOT NULL,
+  `salt` blob NOT NULL,
+  `password` blob NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+COMMIT;
+
+/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
+/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
+/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;