diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 46a42a92c7f06b826b1881cda6f5c4696d86ce67..0602de9de18364e8f812d6623ebb9e07cbd000be 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -350,6 +350,7 @@ 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
${CMAKE_CURRENT_SOURCE_DIR}/hardware/hw_main.c
@@ -358,6 +359,7 @@ if(${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
${CMAKE_CURRENT_SOURCE_DIR}/hardware/hw_dll.h
diff --git a/src/Makefile b/src/Makefile
index 7a67c3f02de037dea8cbc56bb5d328589d0a0c5b..b159de3b8255c67b77e0891ef9d138289b3c33a2 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -269,7 +269,7 @@ ifndef DC
endif
OPTS+=-DHWRENDER
OBJS+=$(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
@@ -719,7 +719,7 @@ 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 $@
@@ -727,7 +727,7 @@ 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 $@
@@ -880,7 +880,7 @@ 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 $@
@@ -888,7 +888,7 @@ $(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 $@
@@ -896,7 +896,7 @@ $(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/hardware/hw_clip.c b/src/hardware/hw_clip.c
new file mode 100644
index 0000000000000000000000000000000000000000..47cbbfa2b4ba0f5e2619caf0ad49c36a9cb9fe5d
--- /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 * HWR_clipnode_GetNew(void);
+static clipnode_t * HWR_clipnode_NewRange(angle_t start, angle_t end);
+static boolean HWR_clipper_IsRangeVisible(angle_t startAngle, angle_t endAngle);
+static void HWR_clipper_AddClipRange(angle_t start, angle_t end);
+static void HWR_clipper_RemoveRange(clipnode_t * range);
+static void HWR_clipnode_Free(clipnode_t *node);
+
+static clipnode_t * HWR_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 * HWR_clipnode_NewRange(angle_t start, angle_t end)
+{
+ clipnode_t * c = HWR_clipnode_GetNew();
+ c->start = start;
+ c->end = end;
+ c->next = c->prev=NULL;
+ return c;
+}
+
+boolean HWR_clipper_SafeCheckRange(angle_t startAngle, angle_t endAngle)
+{
+ if(startAngle > endAngle)
+ {
+ return (HWR_clipper_IsRangeVisible(startAngle, ANGLE_MAX) || HWR_clipper_IsRangeVisible(0, endAngle));
+ }
+
+ return HWR_clipper_IsRangeVisible(startAngle, endAngle);
+}
+
+static boolean HWR_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 HWR_clipnode_Free(clipnode_t *node)
+{
+ node->next = freelist;
+ freelist = node;
+}
+
+static void HWR_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;
+ }
+ }
+
+ HWR_clipnode_Free(range);
+}
+
+void HWR_clipper_SafeAddClipRange(angle_t startangle, angle_t endangle)
+{
+ if(startangle > endangle)
+ {
+ // The range has to added in two parts.
+ HWR_clipper_AddClipRange(startangle, ANGLE_MAX);
+ HWR_clipper_AddClipRange(0, endangle);
+ }
+ else
+ {
+ // Add the range as usual.
+ HWR_clipper_AddClipRange(startangle, endangle);
+ }
+}
+
+static void HWR_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;
+ HWR_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;
+ HWR_clipper_RemoveRange(delnode);
+ }
+ return;
+ }
+ node = node->next;
+ }
+
+ //just add range
+ node = cliphead;
+ prevNode = NULL;
+ temp = HWR_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 = HWR_clipnode_NewRange(start, end);
+ cliphead = temp;
+ return;
+ }
+}
+
+void HWR_clipper_Clear(void)
+{
+ clipnode_t *node = cliphead;
+ clipnode_t *temp;
+
+ while (node != NULL)
+ {
+ temp = node;
+ node = node->next;
+ HWR_clipnode_Free(temp);
+ }
+
+ cliphead = NULL;
+}
+
+#define RMUL (1.6f/1.333333f)
+
+angle_t HWR_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(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
+//
+// HWR_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 HWR_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 HWR_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..c55041b7e8f3805b407834247e137f33b371dde2
--- /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 HWR_SphereInFrustum and related code
+
+boolean HWR_clipper_SafeCheckRange(angle_t startAngle, angle_t endAngle);
+void HWR_clipper_SafeAddClipRange(angle_t startangle, angle_t endangle);
+void HWR_clipper_Clear(void);
+angle_t HWR_FrustumAngle(void);
+#ifdef HAVE_SPHEREFRUSTRUM
+void HWR_FrustrumSetup(void);
+boolean HWR_SphereInFrustum(float x, float y, float z, float radius);
+#endif