diff --git a/src/Makefile b/src/Makefile
index 6dba19c2418d9ee465b435b40332245762ecd21f..40037834d3b2831f92a9897ea51336060addfc24 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -47,8 +47,6 @@
 # HAVE_MINIUPNPC=1 - Enable automated port forwarding.
 #                    Already enabled by default for 32-bit
 #                    Windows.
-# NOPNG=1 - Disable PNG graphics support. (TODO: double
-#           check netplay compatible.)
 # NOCURL=1 - Disable libcurl--HTTP capability.
 # NOGME=1 - Disable game music emu, retro VGM support.
 # NOOPENMPT=1 - Disable module (tracker) music support.
@@ -69,8 +67,6 @@
 # NOEXECINFO=1 - Disable stack trace dump support
 # DEBUGMODE=1 - Enable various debugging capabilities.
 #               Also disables optimizations.
-# NOZLIB=1 - Disable some compression capability. Implies
-#            NOPNG=1.
 #
 # Development flags:
 #
diff --git a/src/Makefile.d/features.mk b/src/Makefile.d/features.mk
index d132ecc9e69517a3536eccad071fd5841ebb2a91..59806862d50d884329ab5183d1061b15987c9d01 100644
--- a/src/Makefile.d/features.mk
+++ b/src/Makefile.d/features.mk
@@ -22,8 +22,6 @@ ifndef NOMD5
 sources+=md5.c
 endif
 
-ifndef NOZLIB
-ifndef NOPNG
 ifdef PNG_PKGCONFIG
 $(eval $(call Use_pkg_config,PNG_PKGCONFIG))
 else
@@ -36,8 +34,6 @@ opts+=-D_LARGEFILE64_SOURCE
 endif
 opts+=-DHAVE_PNG
 sources+=apng.c
-endif
-endif
 
 ifndef NOCURL
 CURLCONFIG?=curl-config
diff --git a/src/b_bot.c b/src/b_bot.c
index c8228e840f751b676a00e920cde61dcb8f06311c..af57d65ecf6e3c24e725ed38b9533b9ab6509763 100644
--- a/src/b_bot.c
+++ b/src/b_bot.c
@@ -589,8 +589,9 @@ void B_RespawnBot(INT32 playernum)
 	}
 	else
 		P_SetMobjState(tails, S_PLAY_FALL);
-	P_SetScale(tails, sonic->scale);
+	P_SetScale(tails, sonic->scale, false);
 	tails->destscale = sonic->destscale;
+	tails->old_scale = sonic->old_scale;
 }
 
 void B_HandleFlightIndicator(player_t *player)
diff --git a/src/console.c b/src/console.c
index 5ef0ce919be356655ac52ab9d7e7e9a9e63c3783..b12a1ab846a26546a73ddea3580c8f086a37f7db 100644
--- a/src/console.c
+++ b/src/console.c
@@ -861,12 +861,6 @@ static void CON_InputDelSelection(void)
 
 	Lock_state();
 
-	if (!input_cur)
-	{
-		Unlock_state();
-		return;
-	}
-
 	if (input_cur > input_sel)
 	{
 		start = input_sel;
diff --git a/src/d_main.c b/src/d_main.c
index 3886ad1ad157a8957eec081c7a38a7f901d19714..c139650d1eb039a057da10d063f392f33c94fac2 100644
--- a/src/d_main.c
+++ b/src/d_main.c
@@ -476,6 +476,18 @@ static void D_Display(void)
 		if (gamestate == GS_LEVEL || (gamestate == GS_TITLESCREEN && titlemapinaction && curbghide && (!hidetitlemap)))
 		{
 			// draw the view directly
+			if (cv_debug)
+			{
+				r_renderwalls = cv_renderwalls.value;
+				r_renderfloors = cv_renderfloors.value;
+				r_renderthings = cv_renderthings.value;
+			}
+			else
+			{
+				r_renderwalls = true;
+				r_renderfloors = true;
+				r_renderthings = true;
+			}
 
 			if (!automapactive && !dedicated && cv_renderview.value)
 			{
diff --git a/src/deh_lua.c b/src/deh_lua.c
index 3600c3554da059091e513c559f7a9e80cff72de2..c056db82a7ca65c7bb9c1ba363708ce5880d253f 100644
--- a/src/deh_lua.c
+++ b/src/deh_lua.c
@@ -11,6 +11,7 @@
 /// \brief Lua SOC library
 
 #include "deh_lua.h"
+#include "g_input.h"
 
 // freeslot takes a name (string only!)
 // and allocates it to the appropriate free slot.
@@ -596,12 +597,20 @@ static int ScanConstants(lua_State *L, boolean mathlib, const char *word)
 		return luaL_error(L, "translation '%s' could not be found.\n", word);
 	}
 
-	// TODO: 2.3: Delete this alias
-	if (fastcmp(word, "BT_USE"))
+	// TODO: 2.3: Delete these aliases
+	else if (fastcmp(word, "BT_USE"))
 	{
 		CacheAndPushConstant(L, word, (lua_Integer)BT_SPIN);
 		return 1;
-	} 
+	}
+	else if (fastcmp(word, "GC_WEPSLOT8") || fastcmp(word, "GC_WEPSLOT9") || fastcmp(word, "GC_WEPSLOT10"))
+	{
+		// Using GC_WEPSLOT7 isn't accurate, but ensures that "if x >= GC_WEPSLOT1 and x <= GC_WEPSLOT10" keeps the intended effect
+		CacheAndPushConstant(L, word, (lua_Integer)GC_WEPSLOT7);
+		if (!mathlib)
+			LUA_Deprecated(L, "GC_WEPSLOT8\"-\"GC_WEPSLOT10", "GC_WEPSLOT1\"-\"GC_WEPSLOT7");
+		return 1;
+	}
 
 	for (i = 0; INT_CONST[i].n; i++)
 		if (fastcmp(word,INT_CONST[i].n)) {
diff --git a/src/deh_tables.c b/src/deh_tables.c
index 8a3aae58654ea7f162efb31496ef5b88772d4325..93a70b779c8c4c62e56a93dc1c78dc123bf51650 100644
--- a/src/deh_tables.c
+++ b/src/deh_tables.c
@@ -5738,6 +5738,7 @@ struct int_const_s const INT_CONST[] = {
 	{"JA_DIGITAL",JA_DIGITAL},
 	{"JA_JUMP",JA_JUMP},
 	{"JA_SPIN",JA_SPIN},
+	{"JA_SHIELD",JA_SHIELD},
 	{"JA_FIRE",JA_FIRE},
 	{"JA_FIRENORMAL",JA_FIRENORMAL},
 	{"JOYAXISRANGE",JOYAXISRANGE},
diff --git a/src/doomdef.h b/src/doomdef.h
index 60e7dc2031ba6b6d5b100410d5cc8c410de8c241..1b0e76314b13d080fc18c8f3463c066616c4b8c8 100644
--- a/src/doomdef.h
+++ b/src/doomdef.h
@@ -82,6 +82,7 @@
 #include "version.h"
 #include "doomtype.h"
 
+#include <assert.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -648,6 +649,7 @@ UINT32 quickncasehash (const char *p, size_t n)
 #else
 #define I_Assert(e) ((void)0)
 #endif
+#define I_StaticAssert(e) static_assert(e, "Static assertion failed: " #e)
 
 // The character that separates pathnames. Forward slash on
 // most systems, but reverse solidus (\) on Windows.
diff --git a/src/g_demo.c b/src/g_demo.c
index 859ac5cba25b2215875e19bdea586160a6989e28..e445c4b5db017570095d97a2f805879954e96249 100644
--- a/src/g_demo.c
+++ b/src/g_demo.c
@@ -98,7 +98,7 @@ demoghost *ghosts = NULL;
 // DEMO RECORDING
 //
 
-#define DEMOVERSION 0x0011
+#define DEMOVERSION 0x0012
 #define DEMOHEADER  "\xF0" "SRB2Replay" "\x0F"
 
 #define DF_GHOST        0x01 // This demo contains ghost data too!
@@ -183,7 +183,11 @@ void G_ReadDemoTiccmd(ticcmd_t *cmd, INT32 playernum)
 	if (ziptic & ZT_ANGLE)
 		oldcmd.angleturn = READINT16(demo_p);
 	if (ziptic & ZT_BUTTONS)
+	{
 		oldcmd.buttons = (oldcmd.buttons & (BT_CAMLEFT|BT_CAMRIGHT)) | (READUINT16(demo_p) & ~(BT_CAMLEFT|BT_CAMRIGHT));
+		if (demoversion < 0x0012 && oldcmd.buttons & BT_SPIN)
+			oldcmd.buttons |= BT_SHIELD; // Copy BT_SPIN to BT_SHIELD for pre-Shield-button demos
+	}
 	if (ziptic & ZT_AIMING)
 		oldcmd.aiming = READINT16(demo_p);
 	if (ziptic & ZT_LATENCY)
@@ -771,7 +775,7 @@ void G_GhostTicker(void)
 			{
 				g->mo->destscale = READFIXED(g->p);
 				if (g->mo->destscale != g->mo->scale)
-					P_SetScale(g->mo, g->mo->destscale);
+					P_SetScale(g->mo, g->mo->destscale, false);
 			}
 			if (xziptic & EZT_THOKMASK)
 			{ // Let's only spawn ONE of these per frame, thanks.
@@ -810,7 +814,7 @@ void G_GhostTicker(void)
 							mobj->frame = (states[mobjinfo[type].spawnstate].frame & FF_FRAMEMASK) | tr_trans60<<FF_TRANSSHIFT;
 							mobj->color = g->mo->color;
 							mobj->skin = g->mo->skin;
-							P_SetScale(mobj, (mobj->destscale = g->mo->scale));
+							P_SetScale(mobj, g->mo->scale, true);
 
 							if (type == MT_THOK) // spintrail-specific modification for MT_THOK
 							{
@@ -926,7 +930,7 @@ void G_GhostTicker(void)
 				else
 					follow->destscale = g->mo->destscale;
 				if (follow->destscale != follow->scale)
-					P_SetScale(follow, follow->destscale);
+					P_SetScale(follow, follow->destscale, false);
 
 				P_UnsetThingPosition(follow);
 				temp = (g->version < 0x000e) ? READINT16(g->p)<<8 : READFIXED(g->p);
@@ -1079,7 +1083,7 @@ void G_ReadMetalTic(mobj_t *metal)
 		{
 			metal->destscale = READFIXED(metal_p);
 			if (metal->destscale != metal->scale)
-				P_SetScale(metal, metal->destscale);
+				P_SetScale(metal, metal->destscale, false);
 		}
 		if (xziptic & EZT_THOKMASK)
 		{ // Let's only spawn ONE of these per frame, thanks.
@@ -1117,7 +1121,7 @@ void G_ReadMetalTic(mobj_t *metal)
 						mobj->angle = metal->angle;
 						mobj->color = metal->color;
 						mobj->skin = metal->skin;
-						P_SetScale(mobj, (mobj->destscale = metal->scale));
+						P_SetScale(mobj, metal->scale, true);
 
 						if (type == MT_THOK) // spintrail-specific modification for MT_THOK
 						{
@@ -1184,7 +1188,7 @@ void G_ReadMetalTic(mobj_t *metal)
 				else
 					follow->destscale = metal->destscale;
 				if (follow->destscale != follow->scale)
-					P_SetScale(follow, follow->destscale);
+					P_SetScale(follow, follow->destscale, false);
 
 				P_UnsetThingPosition(follow);
 				temp = (metalversion < 0x000e) ? READINT16(metal_p)<<8 : READFIXED(metal_p);
diff --git a/src/g_game.c b/src/g_game.c
index 0e7e2b344e9d08b78df1246d5af45cc8e26696f5..8d19c9e7cb68df142e68e7d0277b2425153f9206 100644
--- a/src/g_game.c
+++ b/src/g_game.c
@@ -403,27 +403,29 @@ consvar_t cv_cam_lockonboss[2] = {
 	CVAR_INIT ("cam2_lockaimassist", "Full", CV_SAVE|CV_ALLOWLUA, lockedassist_cons_t, NULL),
 };
 
-consvar_t cv_moveaxis = CVAR_INIT ("joyaxis_move", "Y-Axis", CV_SAVE, joyaxis_cons_t, NULL);
-consvar_t cv_sideaxis = CVAR_INIT ("joyaxis_side", "X-Axis", CV_SAVE, joyaxis_cons_t, NULL);
-consvar_t cv_lookaxis = CVAR_INIT ("joyaxis_look", "X-Rudder-", CV_SAVE, joyaxis_cons_t, NULL);
-consvar_t cv_turnaxis = CVAR_INIT ("joyaxis_turn", "Z-Axis", CV_SAVE, joyaxis_cons_t, NULL);
-consvar_t cv_jumpaxis = CVAR_INIT ("joyaxis_jump", "None", CV_SAVE, joyaxis_cons_t, NULL);
-consvar_t cv_spinaxis = CVAR_INIT ("joyaxis_spin", "None", CV_SAVE, joyaxis_cons_t, NULL);
-consvar_t cv_fireaxis = CVAR_INIT ("joyaxis_fire", "Z-Rudder", CV_SAVE, joyaxis_cons_t, NULL);
-consvar_t cv_firenaxis = CVAR_INIT ("joyaxis_firenormal", "Z-Axis", CV_SAVE, joyaxis_cons_t, NULL);
-consvar_t cv_deadzone = CVAR_INIT ("joy_deadzone", "0.125", CV_FLOAT|CV_SAVE, zerotoone_cons_t, NULL);
-consvar_t cv_digitaldeadzone = CVAR_INIT ("joy_digdeadzone", "0.25", CV_FLOAT|CV_SAVE, zerotoone_cons_t, NULL);
-
-consvar_t cv_moveaxis2 = CVAR_INIT ("joyaxis2_move", "Y-Axis", CV_SAVE, joyaxis_cons_t, NULL);
-consvar_t cv_sideaxis2 = CVAR_INIT ("joyaxis2_side", "X-Axis", CV_SAVE, joyaxis_cons_t, NULL);
-consvar_t cv_lookaxis2 = CVAR_INIT ("joyaxis2_look", "X-Rudder-", CV_SAVE, joyaxis_cons_t, NULL);
-consvar_t cv_turnaxis2 = CVAR_INIT ("joyaxis2_turn", "Z-Axis", CV_SAVE, joyaxis_cons_t, NULL);
-consvar_t cv_jumpaxis2 = CVAR_INIT ("joyaxis2_jump", "None", CV_SAVE, joyaxis_cons_t, NULL);
-consvar_t cv_spinaxis2 = CVAR_INIT ("joyaxis2_spin", "None", CV_SAVE, joyaxis_cons_t, NULL);
-consvar_t cv_fireaxis2 = CVAR_INIT ("joyaxis2_fire", "Z-Rudder", CV_SAVE, joyaxis_cons_t, NULL);
-consvar_t cv_firenaxis2 = CVAR_INIT ("joyaxis2_firenormal", "Z-Axis", CV_SAVE, joyaxis_cons_t, NULL);
-consvar_t cv_deadzone2 = CVAR_INIT ("joy_deadzone2", "0.125", CV_FLOAT|CV_SAVE, zerotoone_cons_t, NULL);
-consvar_t cv_digitaldeadzone2 = CVAR_INIT ("joy_digdeadzone2", "0.25", CV_FLOAT|CV_SAVE, zerotoone_cons_t, NULL);
+consvar_t cv_moveaxis   = CVAR_INIT ("joyaxis_move",       "Y-Axis",    CV_SAVE, joyaxis_cons_t, NULL);
+consvar_t cv_sideaxis   = CVAR_INIT ("joyaxis_side",       "X-Axis",    CV_SAVE, joyaxis_cons_t, NULL);
+consvar_t cv_lookaxis   = CVAR_INIT ("joyaxis_look",       "X-Rudder-", CV_SAVE, joyaxis_cons_t, NULL);
+consvar_t cv_turnaxis   = CVAR_INIT ("joyaxis_turn",       "Z-Axis",    CV_SAVE, joyaxis_cons_t, NULL);
+consvar_t cv_jumpaxis   = CVAR_INIT ("joyaxis_jump",       "None",      CV_SAVE, joyaxis_cons_t, NULL);
+consvar_t cv_spinaxis   = CVAR_INIT ("joyaxis_spin",       "None",      CV_SAVE, joyaxis_cons_t, NULL);
+consvar_t cv_shieldaxis = CVAR_INIT ("joyaxis_shield",     "None",      CV_SAVE, joyaxis_cons_t, NULL);
+consvar_t cv_fireaxis   = CVAR_INIT ("joyaxis_fire",       "Z-Rudder",  CV_SAVE, joyaxis_cons_t, NULL);
+consvar_t cv_firenaxis  = CVAR_INIT ("joyaxis_firenormal", "Z-Axis",    CV_SAVE, joyaxis_cons_t, NULL);
+consvar_t cv_deadzone        = CVAR_INIT ("joy_deadzone",    "0.125", CV_FLOAT|CV_SAVE, zerotoone_cons_t, NULL);
+consvar_t cv_digitaldeadzone = CVAR_INIT ("joy_digdeadzone", "0.25",  CV_FLOAT|CV_SAVE, zerotoone_cons_t, NULL);
+
+consvar_t cv_moveaxis2   = CVAR_INIT ("joyaxis2_move",       "Y-Axis",    CV_SAVE, joyaxis_cons_t, NULL);
+consvar_t cv_sideaxis2   = CVAR_INIT ("joyaxis2_side",       "X-Axis",    CV_SAVE, joyaxis_cons_t, NULL);
+consvar_t cv_lookaxis2   = CVAR_INIT ("joyaxis2_look",       "X-Rudder-", CV_SAVE, joyaxis_cons_t, NULL);
+consvar_t cv_turnaxis2   = CVAR_INIT ("joyaxis2_turn",       "Z-Axis",    CV_SAVE, joyaxis_cons_t, NULL);
+consvar_t cv_jumpaxis2   = CVAR_INIT ("joyaxis2_jump",       "None",      CV_SAVE, joyaxis_cons_t, NULL);
+consvar_t cv_spinaxis2   = CVAR_INIT ("joyaxis2_spin",       "None",      CV_SAVE, joyaxis_cons_t, NULL);
+consvar_t cv_shieldaxis2 = CVAR_INIT ("joyaxis2_shield",     "None",      CV_SAVE, joyaxis_cons_t, NULL);
+consvar_t cv_fireaxis2   = CVAR_INIT ("joyaxis2_fire",       "Z-Rudder",  CV_SAVE, joyaxis_cons_t, NULL);
+consvar_t cv_firenaxis2  = CVAR_INIT ("joyaxis2_firenormal", "Z-Axis",    CV_SAVE, joyaxis_cons_t, NULL);
+consvar_t cv_deadzone2        = CVAR_INIT ("joy_deadzone2",    "0.125", CV_FLOAT|CV_SAVE, zerotoone_cons_t, NULL);
+consvar_t cv_digitaldeadzone2 = CVAR_INIT ("joy_digdeadzone2", "0.25",  CV_FLOAT|CV_SAVE, zerotoone_cons_t, NULL);
 
 player_t *seenplayer; // player we're aiming at right now
 
@@ -894,6 +896,9 @@ INT32 JoyAxis(joyaxis_e axissel)
 		case JA_SPIN:
 			axisval = cv_spinaxis.value;
 			break;
+		case JA_SHIELD:
+			axisval = cv_shieldaxis.value;
+			break;
 		case JA_FIRE:
 			axisval = cv_fireaxis.value;
 			break;
@@ -967,6 +972,9 @@ INT32 Joy2Axis(joyaxis_e axissel)
 		case JA_SPIN:
 			axisval = cv_spinaxis2.value;
 			break;
+		case JA_SHIELD:
+			axisval = cv_shieldaxis2.value;
+			break;
 		case JA_FIRE:
 			axisval = cv_fireaxis2.value;
 			break;
@@ -1334,8 +1342,8 @@ void G_BuildTiccmd(ticcmd_t *cmd, INT32 realtics, UINT8 ssplayer)
 	if (PLAYERINPUTDOWN(ssplayer, GC_WEAPONPREV))
 		cmd->buttons |= BT_WEAPONPREV; // Previous Weapon
 
-#if NUM_WEAPONS > 10
-"Add extra inputs to g_input.h/gamecontrols_e"
+#if NUM_WEAPONS > 7
+"Add extra inputs to g_input.h/gamecontrols_e, and fix conflicts in d_ticcmd.h/ticcmd_t/buttons"
 #endif
 	//use the three avaliable bits to determine the weapon.
 	cmd->buttons &= ~BT_WEAPONMASK;
@@ -1361,7 +1369,8 @@ void G_BuildTiccmd(ticcmd_t *cmd, INT32 realtics, UINT8 ssplayer)
 		cmd->buttons |= BT_TOSSFLAG;
 	
 	// Shield button
-	if (PLAYERINPUTDOWN(ssplayer, GC_SHIELD))
+	axis = PlayerJoyAxis(ssplayer, JA_SHIELD);
+	if (PLAYERINPUTDOWN(ssplayer, GC_SHIELD) || (usejoystick && axis > 0))
 		cmd->buttons |= BT_SHIELD;
 
 	// Lua scriptable buttons
diff --git a/src/g_game.h b/src/g_game.h
index 80a815f02d00a572972412901c72877e8f80de49..0d5fc7e373179f9b9905ab9361bb2dafb146afb7 100644
--- a/src/g_game.h
+++ b/src/g_game.h
@@ -71,8 +71,8 @@ typedef enum {
 #define P_ControlStyle(player) ((((player)->pflags & PF_ANALOGMODE) ? CS_LMAOGALOG : 0) | (((player)->pflags & PF_DIRECTIONCHAR) ? CS_STANDARD : 0))
 
 extern consvar_t cv_autobrake, cv_autobrake2;
-extern consvar_t cv_sideaxis,cv_turnaxis,cv_moveaxis,cv_lookaxis,cv_jumpaxis,cv_spinaxis,cv_fireaxis,cv_firenaxis,cv_deadzone,cv_digitaldeadzone;
-extern consvar_t cv_sideaxis2,cv_turnaxis2,cv_moveaxis2,cv_lookaxis2,cv_jumpaxis2,cv_spinaxis2,cv_fireaxis2,cv_firenaxis2,cv_deadzone2,cv_digitaldeadzone2;
+extern consvar_t cv_sideaxis, cv_turnaxis, cv_moveaxis, cv_lookaxis, cv_jumpaxis, cv_spinaxis, cv_shieldaxis, cv_fireaxis, cv_firenaxis, cv_deadzone, cv_digitaldeadzone;
+extern consvar_t cv_sideaxis2,cv_turnaxis2,cv_moveaxis2,cv_lookaxis2,cv_jumpaxis2,cv_spinaxis2,cv_shieldaxis2,cv_fireaxis2,cv_firenaxis2,cv_deadzone2,cv_digitaldeadzone2;
 extern consvar_t cv_ghost_bestscore, cv_ghost_besttime, cv_ghost_bestrings, cv_ghost_last, cv_ghost_guest;
 
 // hi here's some new controls
@@ -100,6 +100,7 @@ typedef enum
 
 	JA_JUMP = JA_DIGITAL,
 	JA_SPIN,
+	JA_SHIELD,
 	JA_FIRE,
 	JA_FIRENORMAL,
 } joyaxis_e;
diff --git a/src/g_input.c b/src/g_input.c
index 3f1be37ba3f588fb2f3b2f6012ae7bf29c397b98..4a9692e8812ad89b20a85fb5f727acf9f8e52e86 100644
--- a/src/g_input.c
+++ b/src/g_input.c
@@ -743,34 +743,34 @@ void G_DefineDefaultControls(void)
 		// Gamepad controls -- same for both schemes
 		gamecontroldefault[i][GC_JUMP         ][1] = KEY_JOY1+0; // A
 		gamecontroldefault[i][GC_SPIN         ][1] = KEY_JOY1+2; // X
-		gamecontroldefault[i][GC_CUSTOM1      ][1] = KEY_JOY1+1; // B
-		gamecontroldefault[i][GC_CUSTOM2      ][1] = KEY_JOY1+3; // Y
-		gamecontroldefault[i][GC_CUSTOM3      ][1] = KEY_JOY1+8; // Left Stick
-		gamecontroldefault[i][GC_SHIELD       ][1] = KEY_JOY1+4; // LB
+		gamecontroldefault[i][GC_SHIELD       ][1] = KEY_JOY1+1; // B
+		gamecontroldefault[i][GC_CUSTOM1      ][1] = KEY_JOY1+3; // Y
+		gamecontroldefault[i][GC_CUSTOM2      ][1] = KEY_JOY1+4; // LB
 		gamecontroldefault[i][GC_CENTERVIEW   ][1] = KEY_JOY1+5; // RB
+		gamecontroldefault[i][GC_CUSTOM3      ][1] = KEY_JOY1+8; // Left Stick
+		gamecontroldefault[i][GC_CAMTOGGLE    ][1] = KEY_JOY1+9; // Right Stick
 		gamecontroldefault[i][GC_SCORES       ][1] = KEY_JOY1+6; // Back
 		gamecontroldefault[i][GC_SYSTEMMENU   ][0] = KEY_JOY1+7; // Start
+		gamecontroldefault[i][GC_VIEWPOINTNEXT][1] = KEY_HAT1+0; // D-Pad Up
+		gamecontroldefault[i][GC_TOSSFLAG     ][1] = KEY_HAT1+1; // D-Pad Down
 		gamecontroldefault[i][GC_WEAPONPREV   ][1] = KEY_HAT1+2; // D-Pad Left
 		gamecontroldefault[i][GC_WEAPONNEXT   ][1] = KEY_HAT1+3; // D-Pad Right
-		gamecontroldefault[i][GC_VIEWPOINTNEXT][1] = KEY_JOY1+9; // Right Stick
-		gamecontroldefault[i][GC_TOSSFLAG     ][1] = KEY_HAT1+0; // D-Pad Up
-		gamecontroldefault[i][GC_CAMTOGGLE    ][1] = KEY_HAT1+1; // D-Pad Down
 
 		// Second player controls only have joypad defaults
 		gamecontrolbisdefault[i][GC_JUMP         ][1] = KEY_2JOY1+0; // A
 		gamecontrolbisdefault[i][GC_SPIN         ][1] = KEY_2JOY1+2; // X
-		gamecontrolbisdefault[i][GC_CUSTOM1      ][1] = KEY_2JOY1+1; // B
-		gamecontrolbisdefault[i][GC_CUSTOM2      ][1] = KEY_2JOY1+3; // Y
-		gamecontrolbisdefault[i][GC_CUSTOM3      ][1] = KEY_2JOY1+8; // Left Stick
-		gamecontrolbisdefault[i][GC_SHIELD       ][1] = KEY_2JOY1+4; // LB
+		gamecontrolbisdefault[i][GC_SHIELD       ][1] = KEY_2JOY1+1; // B
+		gamecontrolbisdefault[i][GC_CUSTOM1      ][1] = KEY_2JOY1+3; // Y
+		gamecontrolbisdefault[i][GC_CUSTOM2      ][1] = KEY_2JOY1+4; // LB
 		gamecontrolbisdefault[i][GC_CENTERVIEW   ][1] = KEY_2JOY1+5; // RB
+		gamecontrolbisdefault[i][GC_CUSTOM3      ][1] = KEY_2JOY1+8; // Left Stick
+		gamecontrolbisdefault[i][GC_CAMTOGGLE    ][1] = KEY_2JOY1+9; // Right Stick
 		//gamecontrolbisdefault[i][GC_SCORES       ][1] = KEY_2JOY1+6; // Back
 		//gamecontrolbisdefault[i][GC_SYSTEMMENU   ][0] = KEY_2JOY1+7; // Start
+		gamecontrolbisdefault[i][GC_VIEWPOINTNEXT][1] = KEY_2HAT1+0; // D-Pad Up
+		gamecontrolbisdefault[i][GC_TOSSFLAG     ][1] = KEY_2HAT1+1; // D-Pad Down
 		gamecontrolbisdefault[i][GC_WEAPONPREV   ][1] = KEY_2HAT1+2; // D-Pad Left
 		gamecontrolbisdefault[i][GC_WEAPONNEXT   ][1] = KEY_2HAT1+3; // D-Pad Right
-		gamecontrolbisdefault[i][GC_VIEWPOINTNEXT][1] = KEY_2JOY1+9; // Right Stick
-		gamecontrolbisdefault[i][GC_TOSSFLAG     ][1] = KEY_2HAT1+0; // D-Pad Up
-		gamecontrolbisdefault[i][GC_CAMTOGGLE    ][1] = KEY_2HAT1+1; // D-Pad Down
 	}
 }
 
@@ -1001,7 +1001,6 @@ static void setcontrol(INT32 (*gc)[2])
 
 	// TODO: 2.3: Delete the "use" alias
 	namectrl = (stricmp(COM_Argv(1), "use")) ? COM_Argv(1) : "spin";
-		
 
 	for (numctrl = 0; numctrl < NUM_GAMECONTROLS && stricmp(namectrl, gamecontrolname[numctrl]);
 		numctrl++)
diff --git a/src/hardware/hw_cache.c b/src/hardware/hw_cache.c
index 64f74b1f4e9bae98553b881df46309148344a00a..56f5416cf13f8d4c3176d93b122094d4bfd0bacb 100644
--- a/src/hardware/hw_cache.c
+++ b/src/hardware/hw_cache.c
@@ -98,13 +98,11 @@ static void HWR_DrawColumnInCache(const column_t *patchcol, UINT8 *block, GLMipm
 		if (position + count >= pblockheight)
 			count = pblockheight - position;
 
-		dest = block + (position*blockmodulo);
-		while (count > 0)
+		for (dest = block + (position*blockmodulo); count > 0; count--, dest += blockmodulo, yfrac += yfracstep)
 		{
-			count--;
-
 			texel = source[yfrac>>FRACBITS];
 			alpha = 0xFF;
+
 			// Make pixel transparent if chroma keyed
 			if ((mipmap->flags & TF_CHROMAKEYED) && (texel == HWR_PATCHES_CHROMAKEY_COLORINDEX))
 				alpha = 0x00;
@@ -115,11 +113,20 @@ static void HWR_DrawColumnInCache(const column_t *patchcol, UINT8 *block, GLMipm
 			switch (bpp)
 			{
 				case 2:
+				{
+					texelu16 = *((UINT16*)dest);
 					if ((originPatch != NULL) && (originPatch->style != AST_COPY))
-						texel = ASTBlendPaletteIndexes(*(dest+1), texel, originPatch->style, originPatch->alpha);
+					{
+						if (originPatch->style == AST_TRANSLUCENT && originPatch->alpha < ASTTextureBlendingThreshold[0])
+							continue;
+						if (!(texelu16 & 0xFF00) && originPatch->alpha <= ASTTextureBlendingThreshold[1])
+							continue;
+						texel = ASTBlendPaletteIndexes(texelu16 & 0xFF, texel, originPatch->style, originPatch->alpha);
+					}
 					texelu16 = (UINT16)((alpha<<8) | texel);
 					memcpy(dest, &texelu16, sizeof(UINT16));
 					break;
+				}
 				case 3:
 					colortemp = palette[texel];
 					if ((originPatch != NULL) && (originPatch->style != AST_COPY))
@@ -149,9 +156,6 @@ static void HWR_DrawColumnInCache(const column_t *patchcol, UINT8 *block, GLMipm
 						*dest = texel;
 					break;
 			}
-
-			dest += blockmodulo;
-			yfrac += yfracstep;
 		}
 	}
 }
@@ -202,13 +206,11 @@ static void HWR_DrawFlippedColumnInCache(const column_t *patchcol, UINT8 *block,
 		if (position + count >= pblockheight)
 			count = pblockheight - position;
 
-		dest = block + (position*blockmodulo);
-		while (count > 0)
+		for (dest = block + (position*blockmodulo); count > 0; count--, dest += blockmodulo, yfrac -= yfracstep)
 		{
-			count--;
-
 			texel = source[yfrac>>FRACBITS];
 			alpha = 0xFF;
+
 			// Make pixel transparent if chroma keyed
 			if ((mipmap->flags & TF_CHROMAKEYED) && (texel == HWR_PATCHES_CHROMAKEY_COLORINDEX))
 				alpha = 0x00;
@@ -219,8 +221,15 @@ static void HWR_DrawFlippedColumnInCache(const column_t *patchcol, UINT8 *block,
 			switch (bpp)
 			{
 				case 2:
+					texelu16 = *((UINT16*)dest);
 					if ((originPatch != NULL) && (originPatch->style != AST_COPY))
-						texel = ASTBlendPaletteIndexes(*(dest+1), texel, originPatch->style, originPatch->alpha);
+					{
+						if (originPatch->style == AST_TRANSLUCENT && originPatch->alpha < ASTTextureBlendingThreshold[0])
+							continue;
+						if (!(texelu16 & 0xFF00) && originPatch->alpha <= ASTTextureBlendingThreshold[1])
+							continue;
+						texel = ASTBlendPaletteIndexes(texelu16 & 0xFF, texel, originPatch->style, originPatch->alpha);
+					}
 					texelu16 = (UINT16)((alpha<<8) | texel);
 					memcpy(dest, &texelu16, sizeof(UINT16));
 					break;
@@ -253,9 +262,6 @@ static void HWR_DrawFlippedColumnInCache(const column_t *patchcol, UINT8 *block,
 						*dest = texel;
 					break;
 			}
-
-			dest += blockmodulo;
-			yfrac -= yfracstep;
 		}
 	}
 }
@@ -433,7 +439,7 @@ static UINT8 *MakeBlock(GLMipmap_t *grMipmap)
 // Create a composite texture from patches, adapt the texture size to a power of 2
 // height and width for the hardware texture cache.
 //
-static void HWR_GenerateTexture(INT32 texnum, GLMapTexture_t *grtex)
+static void HWR_GenerateTexture(INT32 texnum, GLMapTexture_t *grtex, GLMipmap_t *mipmap)
 {
 	UINT8 *block;
 	texture_t *texture;
@@ -441,57 +447,19 @@ static void HWR_GenerateTexture(INT32 texnum, GLMapTexture_t *grtex)
 	INT32 blockwidth, blockheight, blocksize;
 
 	INT32 i;
-	boolean skyspecial = false; //poor hack for Legacy large skies..
-
-	RGBA_t *palette;
-	palette = HWR_GetTexturePalette();
 
 	texture = textures[texnum];
 
-	// hack the Legacy skies..
-	if (texture->name[0] == 'S' &&
-	    texture->name[1] == 'K' &&
-	    texture->name[2] == 'Y' &&
-	    (texture->name[4] == 0 ||
-	     texture->name[5] == 0)
-	   )
-	{
-		skyspecial = true;
-		grtex->mipmap.flags = TF_WRAPXY; // don't use the chromakey for sky
-	}
-	else
-		grtex->mipmap.flags = TF_CHROMAKEYED | TF_WRAPXY;
-
-	grtex->mipmap.width = (UINT16)texture->width;
-	grtex->mipmap.height = (UINT16)texture->height;
-	if (skyspecial)
-		grtex->mipmap.format = GL_TEXFMT_RGBA; // that skyspecial code below assumes this format ...
-	else
-		grtex->mipmap.format = textureformat;
+	mipmap->flags = TF_WRAPXY;
+	mipmap->width = (UINT16)texture->width;
+	mipmap->height = (UINT16)texture->height;
+	mipmap->format = textureformat;
 
 	blockwidth = texture->width;
 	blockheight = texture->height;
 	blocksize = (blockwidth * blockheight);
 	block = MakeBlock(&grtex->mipmap);
 
-	if (skyspecial) //Hurdler: not efficient, but better than holes in the sky (and it's done only at level loading)
-	{
-		INT32 j;
-		RGBA_t col;
-
-		col = palette[HWR_PATCHES_CHROMAKEY_COLORINDEX];
-		for (j = 0; j < blockheight; j++)
-		{
-			for (i = 0; i < blockwidth; i++)
-			{
-				block[4*(j*blockwidth+i)+0] = col.s.red;
-				block[4*(j*blockwidth+i)+1] = col.s.green;
-				block[4*(j*blockwidth+i)+2] = col.s.blue;
-				block[4*(j*blockwidth+i)+3] = 0xff;
-			}
-		}
-	}
-
 	// Composite the columns together.
 	for (i = 0, patch = texture->patches; i < texture->patchcount; i++, patch++)
 	{
@@ -526,13 +494,13 @@ static void HWR_GenerateTexture(INT32 texnum, GLMapTexture_t *grtex)
 			Patch_Free(realpatch);
 	}
 	//Hurdler: not efficient at all but I don't remember exactly how HWR_DrawPatchInCache works :(
-	if (format2bpp(grtex->mipmap.format)==4)
+	if (format2bpp(mipmap->format)==4)
 	{
 		for (i = 3; i < blocksize*4; i += 4) // blocksize*4 because blocksize doesn't include the bpp
 		{
 			if (block[i] == 0)
 			{
-				grtex->mipmap.flags |= TF_TRANSPARENT;
+				mipmap->flags |= TF_TRANSPARENT;
 				break;
 			}
 		}
@@ -661,8 +629,6 @@ void HWR_FreeTextureColormaps(patch_t *patch)
 			Z_Free(next->data);
 		if (next->colormap)
 			Z_Free(next->colormap);
-		next->data = NULL;
-		next->colormap = NULL;
 		HWD.pfnDeleteTexture(next);
 
 		// Free the old colormap mipmap from memory.
@@ -714,12 +680,25 @@ void HWR_InitMapTextures(void)
 	gl_maptexturesloaded = false;
 }
 
+static void DeleteTextureMipmap(GLMipmap_t *grMipmap)
+{
+	HWD.pfnDeleteTexture(grMipmap);
+
+	// Chroma-keyed textures do not own their texture data, so do not free it
+	if (!(grMipmap->flags & TF_CHROMAKEYED))
+		Z_Free(grMipmap->data);
+}
+
 static void FreeMapTexture(GLMapTexture_t *tex)
 {
-	HWD.pfnDeleteTexture(&tex->mipmap);
-	if (tex->mipmap.data)
-		Z_Free(tex->mipmap.data);
-	tex->mipmap.data = NULL;
+	if (tex->mipmap.nextcolormap)
+	{
+		DeleteTextureMipmap(tex->mipmap.nextcolormap);
+		free(tex->mipmap.nextcolormap);
+		tex->mipmap.nextcolormap = NULL;
+	}
+
+	DeleteTextureMipmap(&tex->mipmap);
 }
 
 void HWR_FreeMapTextures(void)
@@ -762,41 +741,47 @@ void HWR_LoadMapTextures(size_t pnumtextures)
 // --------------------------------------------------------------------------
 // Make sure texture is downloaded and set it as the source
 // --------------------------------------------------------------------------
-GLMapTexture_t *HWR_GetTexture(INT32 tex)
+static void GetMapTexture(INT32 tex, GLMapTexture_t *grtex, GLMipmap_t *mipmap)
 {
-	GLMapTexture_t *grtex;
-#ifdef PARANOIA
-	if ((unsigned)tex >= gl_numtextures)
-		I_Error("HWR_GetTexture: tex >= numtextures\n");
-#endif
-
-	// Every texture in memory, stored in the
-	// hardware renderer's bit depth format. Wow!
-	grtex = &gl_textures[tex];
-
 	// Generate texture if missing from the cache
-	if (!grtex->mipmap.data && !grtex->mipmap.downloaded)
-		HWR_GenerateTexture(tex, grtex);
+	if (!mipmap->data && !mipmap->downloaded)
+		HWR_GenerateTexture(tex, grtex, mipmap);
 
 	// If hardware does not have the texture, then call pfnSetTexture to upload it
-	if (!grtex->mipmap.downloaded)
-		HWD.pfnSetTexture(&grtex->mipmap);
-	HWR_SetCurrentTexture(&grtex->mipmap);
+	if (!mipmap->downloaded)
+		HWD.pfnSetTexture(mipmap);
+	HWR_SetCurrentTexture(mipmap);
 
 	// The system-memory data can be purged now.
-	Z_ChangeTag(grtex->mipmap.data, PU_HWRCACHE_UNLOCKED);
+	Z_ChangeTag(mipmap->data, PU_HWRCACHE_UNLOCKED);
+}
+
+GLMapTexture_t *HWR_GetTexture(INT32 tex)
+{
+	if (tex < 0 || tex >= (signed)gl_numtextures)
+	{
+#ifdef PARANOIA
+		I_Error("HWR_GetTexture: Invalid texture ID %d", tex);
+#else
+		tex = 0;
+#endif
+	}
+
+	GLMapTexture_t *grtex = &gl_textures[tex];
+
+	GetMapTexture(tex, grtex, &grtex->mipmap);
 
 	return grtex;
 }
 
-static void HWR_CacheFlat(GLMipmap_t *grMipmap, lumpnum_t flatlumpnum)
+static void HWR_CacheRawFlat(GLMipmap_t *grMipmap, lumpnum_t flatlumpnum)
 {
 	size_t size = W_LumpLength(flatlumpnum);
 	UINT16 pflatsize = R_GetFlatSize(size);
 
 	// setup the texture info
 	grMipmap->format = GL_TEXFMT_P_8;
-	grMipmap->flags = TF_WRAPXY|TF_CHROMAKEYED;
+	grMipmap->flags = TF_WRAPXY;
 
 	grMipmap->width = pflatsize;
 	grMipmap->height = pflatsize;
@@ -817,7 +802,7 @@ void HWR_GetRawFlat(lumpnum_t flatlumpnum)
 	patch = HWR_GetCachedGLPatch(flatlumpnum);
 	grmip = ((GLPatch_t *)Patch_AllocateHardwarePatch(patch))->mipmap;
 	if (!grmip->downloaded && !grmip->data)
-		HWR_CacheFlat(grmip, flatlumpnum);
+		HWR_CacheRawFlat(grmip, flatlumpnum);
 
 	// If hardware does not have the texture, then call pfnSetTexture to upload it
 	if (!grmip->downloaded)
@@ -828,7 +813,16 @@ void HWR_GetRawFlat(lumpnum_t flatlumpnum)
 	Z_ChangeTag(grmip->data, PU_HWRCACHE_UNLOCKED);
 }
 
-void HWR_GetLevelFlat(levelflat_t *levelflat)
+static void MakeLevelFlatMipmap(GLMipmap_t *grMipmap, INT32 texturenum, UINT16 flags)
+{
+	grMipmap->format = GL_TEXFMT_P_8;
+	grMipmap->flags = flags;
+
+	grMipmap->width  = (UINT16)textures[texturenum]->width;
+	grMipmap->height = (UINT16)textures[texturenum]->height;
+}
+
+void HWR_GetLevelFlat(levelflat_t *levelflat, boolean chromakeyed)
 {
 	if (levelflat->type == LEVELFLAT_NONE || levelflat->texture_id < 0)
 	{
@@ -839,24 +833,50 @@ void HWR_GetLevelFlat(levelflat_t *levelflat)
 	INT32 texturenum = texturetranslation[levelflat->texture_id];
 
 	GLMapTexture_t *grtex = &gl_flats[texturenum];
+
 	GLMipmap_t *grMipmap = &grtex->mipmap;
+	GLMipmap_t *originalMipmap = grMipmap;
+
+	if (!originalMipmap->downloaded)
+		MakeLevelFlatMipmap(originalMipmap, texturenum, TF_WRAPXY);
 
-	if (!grMipmap->data && !grMipmap->downloaded)
+	if (!originalMipmap->data)
 	{
-		grMipmap->format = GL_TEXFMT_P_8;
-		grMipmap->flags = TF_WRAPXY|TF_CHROMAKEYED;
+		size_t size = originalMipmap->width * originalMipmap->height;
+		memcpy(Z_Malloc(size, PU_HWRCACHE, &originalMipmap->data), R_GetFlatForTexture(texturenum), size);
+	}
+
+	// If chroma-keyed, create or use a different mipmap for the variant
+	if (chromakeyed)
+	{
+		if (!originalMipmap->data)
+		{
+			HWR_SetCurrentTexture(NULL);
+			return;
+		}
+
+		// Allocate it if it wasn't already
+		if (!originalMipmap->nextcolormap)
+		{
+			GLMipmap_t *newMipmap = calloc(1, sizeof (*grMipmap));
+			if (newMipmap == NULL)
+				I_Error("%s: Out of memory", "HWR_GetLevelFlat");
+			MakeLevelFlatMipmap(newMipmap, texturenum, TF_WRAPXY | TF_CHROMAKEYED);
+			originalMipmap->nextcolormap = newMipmap;
+		}
 
-		grMipmap->width  = (UINT16)textures[texturenum]->width;
-		grMipmap->height = (UINT16)textures[texturenum]->height;
+		// Upload and bind the variant texture instead of the original one
+		grMipmap = originalMipmap->nextcolormap;
 
-		size_t size = grMipmap->width * grMipmap->height;
-		memcpy(Z_Malloc(size, PU_HWRCACHE, &grMipmap->data), R_GetFlatForTexture(texturenum), size);
+		// Use the original texture's pixel data
+		// It can just be a pointer to it, since the r_opengl backend deals with the pixels
+		// that are supposed to be transparent.
+		grMipmap->data = originalMipmap->data;
 	}
 
 	if (!grMipmap->downloaded)
-		HWD.pfnSetTexture(&grtex->mipmap);
-
-	HWR_SetCurrentTexture(&grtex->mipmap);
+		HWD.pfnSetTexture(grMipmap);
+	HWR_SetCurrentTexture(grMipmap);
 
 	Z_ChangeTag(grMipmap->data, PU_HWRCACHE_UNLOCKED);
 }
diff --git a/src/hardware/hw_defs.h b/src/hardware/hw_defs.h
index 2d55eef2d8fd72271fef9c529d4be862318f93da..7d06ceb60b86d8ef3fff3d30a21ce29213d6c600 100644
--- a/src/hardware/hw_defs.h
+++ b/src/hardware/hw_defs.h
@@ -246,7 +246,7 @@ enum ETextureFlags
 	TF_WRAPX       = 0x00000001,        // wrap around X
 	TF_WRAPY       = 0x00000002,        // wrap around Y
 	TF_WRAPXY      = TF_WRAPY|TF_WRAPX, // very common so use alias is more easy
-	TF_CHROMAKEYED = 0x00000010,
+	TF_CHROMAKEYED = 0x00000010,        // Used only for flats with pixels that have palette index 255
 	TF_TRANSPARENT = 0x00000040,        // texture with some alpha == 0
 };
 
diff --git a/src/hardware/hw_glob.h b/src/hardware/hw_glob.h
index e96ea6c7832e2dda5bb03c73b67981d35f1459e4..807c7098946b5589ce7d3394f864d6dccb484194 100644
--- a/src/hardware/hw_glob.h
+++ b/src/hardware/hw_glob.h
@@ -121,7 +121,7 @@ void HWR_GetMappedPatch(patch_t *patch, const UINT8 *colormap);
 void HWR_GetFadeMask(lumpnum_t fademasklumpnum);
 
 GLMapTexture_t *HWR_GetTexture(INT32 tex);
-void HWR_GetLevelFlat(levelflat_t *levelflat);
+void HWR_GetLevelFlat(levelflat_t *levelflat, boolean chromakeyed);
 void HWR_GetRawFlat(lumpnum_t flatlumpnum);
 
 void HWR_FreeTexture(patch_t *patch);
diff --git a/src/hardware/hw_main.c b/src/hardware/hw_main.c
index b58d5811150ce20047ef2a1fd3ecfd36bd704bfc..b490987439e8296b468ade8cfd2aebd8c50042a0 100644
--- a/src/hardware/hw_main.c
+++ b/src/hardware/hw_main.c
@@ -59,7 +59,7 @@ static void HWR_ProjectSprite(mobj_t *thing);
 static void HWR_ProjectPrecipitationSprite(precipmobj_t *thing);
 static void HWR_ProjectBoundingBox(mobj_t *thing);
 
-void HWR_AddTransparentFloor(levelflat_t *levelflat, extrasubsector_t *xsub, boolean isceiling, fixed_t fixedheight, INT32 lightlevel, INT32 alpha, sector_t *FOFSector, FBITFIELD blend, boolean fogplane, extracolormap_t *planecolormap);
+void HWR_AddTransparentFloor(levelflat_t *levelflat, extrasubsector_t *xsub, boolean isceiling, fixed_t fixedheight, INT32 lightlevel, INT32 alpha, sector_t *FOFSector, FBITFIELD blend, boolean fogplane, boolean chromakeyed, extracolormap_t *planecolormap);
 void HWR_AddTransparentPolyobjectFloor(levelflat_t *levelflat, polyobj_t *polysector, boolean isceiling, fixed_t fixedheight,
                              INT32 lightlevel, INT32 alpha, sector_t *FOFSector, FBITFIELD blend, extracolormap_t *planecolormap);
 
@@ -339,6 +339,9 @@ static void HWR_RenderPlane(subsector_t *subsector, extrasubsector_t *xsub, bool
 	static FOutVector *planeVerts = NULL;
 	static UINT16 numAllocedPlaneVerts = 0;
 
+	if (!r_renderfloors)
+		return;
+
 	// no convex poly were generated for this subsector
 	if (!xsub->planepoly)
 		return;
@@ -483,9 +486,6 @@ static void HWR_RenderPlane(subsector_t *subsector, extrasubsector_t *xsub, bool
 		PolyFlags |= PF_ColorMapped;
 	}
 
-	if (!cv_renderfloors.value)
-		return;
-
 	HWR_ProcessPolygon(&Surf, planeVerts, nrPlaneVerts, PolyFlags, shader, false);
 
 	if (subsector)
@@ -668,7 +668,7 @@ static void HWR_ProjectWall(FOutVector *wallVerts, FSurfaceInfo *pSurf, FBITFIEL
 {
 	INT32 shader = SHADER_NONE;
 
-	if (!cv_renderwalls.value)
+	if (!r_renderwalls)
 		return;
 
 	HWR_Lighting(pSurf, lightlevel, wallcolormap);
@@ -709,7 +709,7 @@ static void HWR_SplitWall(sector_t *sector, FOutVector *wallVerts, INT32 texnum,
 	FUINT lightnum = HWR_CalcWallLight(sector->lightlevel, v1x, v1y, v2x, v2y);
 	extracolormap_t *colormap = NULL;
 
-	if (!cv_renderwalls.value)
+	if (!r_renderwalls)
 		return;
 
 	realtop = top = wallVerts[3].y;
@@ -914,6 +914,191 @@ static boolean HWR_BlendMidtextureSurface(FSurfaceInfo *pSurf)
 	return true;
 }
 
+static void HWR_RenderMidtexture(INT32 gl_midtexture, float cliplow, float cliphigh, fixed_t worldtop, fixed_t worldbottom, fixed_t worldhigh, fixed_t worldlow, fixed_t worldtopslope, fixed_t worldbottomslope, fixed_t worldhighslope, fixed_t worldlowslope, UINT32 lightnum, FOutVector *inWallVerts)
+{
+	FOutVector wallVerts[4];
+
+	FSurfaceInfo Surf;
+	Surf.PolyColor.s.alpha = 255;
+
+	// Determine if it's visible
+	if (!HWR_BlendMidtextureSurface(&Surf))
+		return;
+
+	fixed_t texheight = FixedDiv(textureheight[gl_midtexture], abs(gl_sidedef->scaley_mid));
+	INT32 repeats;
+
+	if (gl_sidedef->repeatcnt)
+		repeats = 1 + gl_sidedef->repeatcnt;
+	else if (gl_linedef->flags & ML_WRAPMIDTEX)
+	{
+		fixed_t high, low;
+
+		if (gl_frontsector->ceilingheight > gl_backsector->ceilingheight)
+			high = gl_backsector->ceilingheight;
+		else
+			high = gl_frontsector->ceilingheight;
+
+		if (gl_frontsector->floorheight > gl_backsector->floorheight)
+			low = gl_frontsector->floorheight;
+		else
+			low = gl_backsector->floorheight;
+
+		repeats = (high - low) / texheight;
+		if ((high - low) % texheight)
+			repeats++; // tile an extra time to fill the gap -- Monster Iestyn
+	}
+	else
+		repeats = 1;
+
+	GLMapTexture_t *grTex = HWR_GetTexture(gl_midtexture);
+	float xscale = FixedToFloat(gl_sidedef->scalex_mid);
+	float yscale = FixedToFloat(gl_sidedef->scaley_mid);
+
+	// SoM: a little note: popentop and popenbottom
+	// record the limits the texture can be displayed in.
+	// polytop and polybottom, are the ideal (i.e. unclipped)
+	// heights of the polygon, and h & l, are the final (clipped)
+	// poly coords.
+	fixed_t popentop, popenbottom, polytop, polybottom, lowcut, highcut;
+	fixed_t popentopslope, popenbottomslope, polytopslope, polybottomslope, lowcutslope, highcutslope;
+
+	// NOTE: With polyobjects, whenever you need to check the properties of the polyobject sector it belongs to,
+	// you must use the linedef's backsector to be correct
+	// From CB
+	if (gl_curline->polyseg)
+	{
+		// Change this when polyobjects support slopes
+		popentop = popentopslope = gl_curline->backsector->ceilingheight;
+		popenbottom = popenbottomslope = gl_curline->backsector->floorheight;
+	}
+	else
+	{
+		popentop = min(worldtop, worldhigh);
+		popenbottom = max(worldbottom, worldlow);
+		popentopslope = min(worldtopslope, worldhighslope);
+		popenbottomslope = max(worldbottomslope, worldlowslope);
+	}
+
+	// Find the wall's coordinates
+	fixed_t midtexheight = texheight * repeats;
+
+	fixed_t rowoffset = FixedDiv(gl_sidedef->rowoffset + gl_sidedef->offsety_mid, abs(gl_sidedef->scaley_mid));
+
+	// Texture is not skewed
+	if (gl_linedef->flags & ML_NOSKEW)
+	{
+		// Peg it to the floor
+		if (gl_linedef->flags & ML_MIDPEG)
+		{
+			polybottom = max(gl_frontsector->floorheight, gl_backsector->floorheight) + rowoffset;
+			polytop = polybottom + midtexheight;
+		}
+		// Peg it to the ceiling
+		else
+		{
+			polytop = min(gl_frontsector->ceilingheight, gl_backsector->ceilingheight) + rowoffset;
+			polybottom = polytop - midtexheight;
+		}
+
+		// The right side's coordinates are the the same as the left side
+		polytopslope = polytop;
+		polybottomslope = polybottom;
+	}
+	// Skew the texture, but peg it to the floor
+	else if (gl_linedef->flags & ML_MIDPEG)
+	{
+		polybottom = popenbottom + rowoffset;
+		polytop = polybottom + midtexheight;
+		polybottomslope = popenbottomslope + rowoffset;
+		polytopslope = polybottomslope + midtexheight;
+	}
+	// Skew it according to the ceiling's slope
+	else
+	{
+		polytop = popentop + rowoffset;
+		polybottom = polytop - midtexheight;
+		polytopslope = popentopslope + rowoffset;
+		polybottomslope = polytopslope - midtexheight;
+	}
+
+	// The cut-off values of a linedef can always be constant, since every line has an absoulute front and or back sector
+	if (gl_curline->polyseg)
+	{
+		lowcut = polybottom;
+		highcut = polytop;
+		lowcutslope = polybottomslope;
+		highcutslope = polytopslope;
+	}
+	else
+	{
+		lowcut = popenbottom;
+		highcut = popentop;
+		lowcutslope = popenbottomslope;
+		highcutslope = popentopslope;
+	}
+
+	fixed_t h = min(highcut, polytop);
+	fixed_t l = max(polybottom, lowcut);
+	fixed_t hS = min(highcutslope, polytopslope);
+	fixed_t lS = max(polybottomslope, lowcutslope);
+
+	// PEGGING
+	fixed_t texturevpeg, texturevpegslope;
+
+	if (gl_linedef->flags & ML_MIDPEG)
+	{
+		texturevpeg = midtexheight - h + polybottom;
+		texturevpegslope = midtexheight - hS + polybottomslope;
+	}
+	else
+	{
+		texturevpeg = polytop - h;
+		texturevpegslope = polytopslope - hS;
+	}
+
+	memcpy(wallVerts, inWallVerts, sizeof(wallVerts));
+
+	// Left side
+	wallVerts[3].t = texturevpeg * yscale * grTex->scaleY;
+	wallVerts[0].t = (h - l + texturevpeg) * yscale * grTex->scaleY;
+	wallVerts[0].s = wallVerts[3].s = ((cliplow * xscale) + gl_sidedef->textureoffset + gl_sidedef->offsetx_mid) * grTex->scaleX;
+
+	// Right side
+	wallVerts[2].t = texturevpegslope * yscale * grTex->scaleY;
+	wallVerts[1].t = (hS - lS + texturevpegslope) * yscale * grTex->scaleY;
+	wallVerts[2].s = wallVerts[1].s = ((cliphigh * xscale) + gl_sidedef->textureoffset + gl_sidedef->offsetx_mid) * grTex->scaleX;
+
+	// set top/bottom coords
+	// Take the texture peg into account, rather than changing the offsets past
+	// where the polygon might not be.
+	wallVerts[3].y = FIXED_TO_FLOAT(h);
+	wallVerts[0].y = FIXED_TO_FLOAT(l);
+	wallVerts[2].y = FIXED_TO_FLOAT(hS);
+	wallVerts[1].y = FIXED_TO_FLOAT(lS);
+
+	// TODO: Actually use the surface's flags so that I don't have to do this
+	FUINT blendmode = Surf.PolyFlags;
+
+	// Render midtextures on two-sided lines with a z-buffer offset.
+	// This will cause the midtexture appear on top, if a FOF overlaps with it.
+	blendmode |= PF_Decal;
+
+	extracolormap_t *colormap = gl_frontsector->extra_colormap;
+
+	if (gl_frontsector->numlights)
+	{
+		if (!(blendmode & PF_Masked))
+			HWR_SplitWall(gl_frontsector, wallVerts, gl_midtexture, &Surf, FOF_TRANSLUCENT, NULL, blendmode);
+		else
+			HWR_SplitWall(gl_frontsector, wallVerts, gl_midtexture, &Surf, FOF_CUTLEVEL, NULL, blendmode);
+	}
+	else if (!(blendmode & PF_Masked))
+		HWR_AddTransparentWall(wallVerts, &Surf, gl_midtexture, blendmode, false, lightnum, colormap);
+	else
+		HWR_ProjectWall(wallVerts, &Surf, blendmode, lightnum, colormap);
+}
+
 // Sort of like GLWall::Process in GZDoom
 static void HWR_ProcessSeg(void)
 {
@@ -979,9 +1164,8 @@ static void HWR_ProcessSeg(void)
 	wallVerts[2].z = wallVerts[1].z = ve.y;
 
 	// x offset the texture
-	fixed_t texturehpeg = gl_sidedef->textureoffset + gl_curline->offset;
-	float cliplow = (float)texturehpeg;
-	float cliphigh = (float)(texturehpeg + (gl_curline->flength*FRACUNIT));
+	float cliplow = (float)gl_curline->offset;
+	float cliphigh = cliplow + (gl_curline->flength * FRACUNIT);
 
 	FUINT lightnum = gl_frontsector->lightlevel;
 	extracolormap_t *colormap = gl_frontsector->extra_colormap;
@@ -997,6 +1181,7 @@ static void HWR_ProcessSeg(void)
 	if (gl_backsector)
 	{
 		INT32 gl_toptexture = 0, gl_bottomtexture = 0;
+
 		fixed_t texturevpeg;
 
 		SLOPEPARAMS(gl_backsector->c_slope, worldhigh, worldhighslope, gl_backsector->ceilingheight)
@@ -1026,30 +1211,46 @@ static void HWR_ProcessSeg(void)
 		if ((worldhighslope < worldtopslope || worldhigh < worldtop) && gl_toptexture)
 		{
 			grTex = HWR_GetTexture(gl_toptexture);
-			xscale = FixedToFloat(gl_sidedef->scalex_top);
-			yscale = FixedToFloat(gl_sidedef->scaley_top);
+			xscale = FixedToFloat(abs(gl_sidedef->scalex_top));
+			yscale = FixedToFloat(abs(gl_sidedef->scaley_top));
+
+			fixed_t offsetx_top = gl_sidedef->textureoffset + gl_sidedef->offsetx_top;
+
+			float left = cliplow * xscale;
+			float right = cliphigh * xscale;
+			if (gl_sidedef->scalex_top < 0)
+			{
+				left = -left;
+				right = -right;
+				offsetx_top = -offsetx_top;
+			}
 
-			fixed_t texheight = FixedDiv(textureheight[gl_toptexture], gl_sidedef->scaley_top);
+			fixed_t texheight = textureheight[gl_toptexture];
+			fixed_t texheightscaled = FixedDiv(texheight, abs(gl_sidedef->scaley_top));
 
 			// PEGGING
+			// FIXME: This is probably not correct?
 			if (gl_linedef->flags & ML_DONTPEGTOP)
 				texturevpeg = 0;
 			else if (gl_linedef->flags & ML_SKEWTD)
 				texturevpeg = worldhigh + texheight - worldtop;
 			else
-				texturevpeg = gl_backsector->ceilingheight + texheight - gl_frontsector->ceilingheight;
+				texturevpeg = gl_backsector->ceilingheight + texheightscaled - gl_frontsector->ceilingheight;
 
 			texturevpeg *= yscale;
 
-			texturevpeg += gl_sidedef->rowoffset + gl_sidedef->offsety_top;
+			if (gl_sidedef->scaley_top < 0)
+				texturevpeg -= gl_sidedef->rowoffset + gl_sidedef->offsety_top;
+			else
+				texturevpeg += gl_sidedef->rowoffset + gl_sidedef->offsety_top;
 
 			// This is so that it doesn't overflow and screw up the wall, it doesn't need to go higher than the texture's height anyway
-			texturevpeg %= texheight;
+			texturevpeg %= texheightscaled;
 
 			wallVerts[3].t = wallVerts[2].t = texturevpeg * grTex->scaleY;
 			wallVerts[0].t = wallVerts[1].t = (texturevpeg + (gl_frontsector->ceilingheight - gl_backsector->ceilingheight) * yscale) * grTex->scaleY;
-			wallVerts[0].s = wallVerts[3].s = ((cliplow * xscale) + gl_sidedef->offsetx_top) * grTex->scaleX;
-			wallVerts[2].s = wallVerts[1].s = ((cliphigh * xscale) + gl_sidedef->offsetx_top) * grTex->scaleX;
+			wallVerts[0].s = wallVerts[3].s = (left + offsetx_top) * grTex->scaleX;
+			wallVerts[2].s = wallVerts[1].s = (right + offsetx_top) * grTex->scaleX;
 
 			// Adjust t value for sloped walls
 			if (!(gl_linedef->flags & ML_SKEWTD))
@@ -1074,6 +1275,14 @@ static void HWR_ProcessSeg(void)
 				wallVerts[2].t = wallVerts[1].t - (worldtopslope - worldhighslope) * yscale * grTex->scaleY;
 			}
 
+			if (gl_sidedef->scaley_top < 0)
+			{
+				wallVerts[0].t = -wallVerts[0].t;
+				wallVerts[1].t = -wallVerts[1].t;
+				wallVerts[2].t = -wallVerts[2].t;
+				wallVerts[3].t = -wallVerts[3].t;
+			}
+
 			// set top/bottom coords
 			wallVerts[3].y = FIXED_TO_FLOAT(worldtop);
 			wallVerts[0].y = FIXED_TO_FLOAT(worldhigh);
@@ -1092,8 +1301,19 @@ static void HWR_ProcessSeg(void)
 		if ((worldlowslope > worldbottomslope || worldlow > worldbottom) && gl_bottomtexture)
 		{
 			grTex = HWR_GetTexture(gl_bottomtexture);
-			xscale = FixedToFloat(gl_sidedef->scalex_bottom);
-			yscale = FixedToFloat(gl_sidedef->scaley_bottom);
+			xscale = FixedToFloat(abs(gl_sidedef->scalex_bottom));
+			yscale = FixedToFloat(abs(gl_sidedef->scaley_bottom));
+
+			fixed_t offsetx_bottom = gl_sidedef->textureoffset + gl_sidedef->offsetx_bottom;
+
+			float left = cliplow * xscale;
+			float right = cliphigh * xscale;
+			if (gl_sidedef->scalex_bottom < 0)
+			{
+				left = -left;
+				right = -right;
+				offsetx_bottom = -offsetx_bottom;
+			}
 
 			// PEGGING
 			if (!(gl_linedef->flags & ML_DONTPEGBOTTOM))
@@ -1105,15 +1325,18 @@ static void HWR_ProcessSeg(void)
 
 			texturevpeg *= yscale;
 
-			texturevpeg += gl_sidedef->rowoffset + gl_sidedef->offsety_bottom;
+			if (gl_sidedef->scaley_bottom < 0)
+				texturevpeg -= gl_sidedef->rowoffset + gl_sidedef->offsety_bottom;
+			else
+				texturevpeg += gl_sidedef->rowoffset + gl_sidedef->offsety_bottom;
 
 			// This is so that it doesn't overflow and screw up the wall, it doesn't need to go higher than the texture's height anyway
-			texturevpeg %= FixedDiv(textureheight[gl_bottomtexture], gl_sidedef->scaley_bottom);
+			texturevpeg %= FixedDiv(textureheight[gl_bottomtexture], abs(gl_sidedef->scaley_bottom));
 
 			wallVerts[3].t = wallVerts[2].t = texturevpeg * grTex->scaleY;
 			wallVerts[0].t = wallVerts[1].t = (texturevpeg + (gl_backsector->floorheight - gl_frontsector->floorheight) * yscale) * grTex->scaleY;
-			wallVerts[0].s = wallVerts[3].s = ((cliplow * xscale) + gl_sidedef->offsetx_bottom) * grTex->scaleX;
-			wallVerts[2].s = wallVerts[1].s = ((cliphigh * xscale) + gl_sidedef->offsetx_bottom) * grTex->scaleX;
+			wallVerts[0].s = wallVerts[3].s = (left + offsetx_bottom) * grTex->scaleX;
+			wallVerts[2].s = wallVerts[1].s = (right + offsetx_bottom) * grTex->scaleX;
 
 			// Adjust t value for sloped walls
 			if (!(gl_linedef->flags & ML_SKEWTD))
@@ -1137,6 +1360,14 @@ static void HWR_ProcessSeg(void)
 				wallVerts[1].t = (texturevpeg + (worldlowslope - worldbottomslope) * yscale) * grTex->scaleY;
 			}
 
+			if (gl_sidedef->scaley_bottom < 0)
+			{
+				wallVerts[0].t = -wallVerts[0].t;
+				wallVerts[1].t = -wallVerts[1].t;
+				wallVerts[2].t = -wallVerts[2].t;
+				wallVerts[3].t = -wallVerts[3].t;
+			}
+
 			// set top/bottom coords
 			wallVerts[3].y = FIXED_TO_FLOAT(worldlow);
 			wallVerts[0].y = FIXED_TO_FLOAT(worldbottom);
@@ -1151,196 +1382,14 @@ static void HWR_ProcessSeg(void)
 				HWR_ProjectWall(wallVerts, &Surf, PF_Masked, lightnum, colormap);
 		}
 
-		// Render midtexture if there's one. Determine if it's visible first, though
-		if (gl_midtexture && HWR_BlendMidtextureSurface(&Surf))
-		{
-			sector_t *front, *back;
-			fixed_t texheight = FixedDiv(textureheight[gl_midtexture], gl_sidedef->scaley_mid);
-			INT32 repeats;
-
-			if (gl_linedef->frontsector->heightsec != -1)
-				front = &sectors[gl_linedef->frontsector->heightsec];
-			else
-				front = gl_linedef->frontsector;
-
-			if (gl_linedef->backsector->heightsec != -1)
-				back = &sectors[gl_linedef->backsector->heightsec];
-			else
-				back = gl_linedef->backsector;
-
-			if (gl_sidedef->repeatcnt)
-				repeats = 1 + gl_sidedef->repeatcnt;
-			else if (gl_linedef->flags & ML_WRAPMIDTEX)
-			{
-				fixed_t high, low;
-
-				if (front->ceilingheight > back->ceilingheight)
-					high = back->ceilingheight;
-				else
-					high = front->ceilingheight;
-
-				if (front->floorheight > back->floorheight)
-					low = front->floorheight;
-				else
-					low = back->floorheight;
-
-				repeats = (high - low) / texheight;
-				if ((high - low) % texheight)
-					repeats++; // tile an extra time to fill the gap -- Monster Iestyn
-			}
-			else
-				repeats = 1;
-
-			grTex = HWR_GetTexture(gl_midtexture);
-			xscale = FixedToFloat(gl_sidedef->scalex_mid);
-			yscale = FixedToFloat(gl_sidedef->scaley_mid);
-
-			// SoM: a little note: popentop and popenbottom
-			// record the limits the texture can be displayed in.
-			// polytop and polybottom, are the ideal (i.e. unclipped)
-			// heights of the polygon, and h & l, are the final (clipped)
-			// poly coords.
-			fixed_t popentop, popenbottom, polytop, polybottom, lowcut, highcut;
-			fixed_t popentopslope, popenbottomslope, polytopslope, polybottomslope, lowcutslope, highcutslope;
-
-			// NOTE: With polyobjects, whenever you need to check the properties of the polyobject sector it belongs to,
-			// you must use the linedef's backsector to be correct
-			// From CB
-			if (gl_curline->polyseg)
-			{
-				popentop = popentopslope = back->ceilingheight;
-				popenbottom = popenbottomslope = back->floorheight;
-			}
-			else
-			{
-				popentop = min(worldtop, worldhigh);
-				popenbottom = max(worldbottom, worldlow);
-				popentopslope = min(worldtopslope, worldhighslope);
-				popenbottomslope = max(worldbottomslope, worldlowslope);
-			}
-
-			// Find the wall's coordinates
-			fixed_t midtexheight = texheight * repeats;
-
-			fixed_t rowoffset = FixedDiv(gl_sidedef->rowoffset + gl_sidedef->offsety_mid, gl_sidedef->scaley_mid);
-
-			// Texture is not skewed
-			if (gl_linedef->flags & ML_NOSKEW)
-			{
-				// Peg it to the floor
-				if (gl_linedef->flags & ML_MIDPEG)
-				{
-					polybottom = max(front->floorheight, back->floorheight) + rowoffset;
-					polytop = polybottom + midtexheight;
-				}
-				// Peg it to the ceiling
-				else
-				{
-					polytop = min(front->ceilingheight, back->ceilingheight) + rowoffset;
-					polybottom = polytop - midtexheight;
-				}
-
-				// The right side's coordinates are the the same as the left side
-				polytopslope = polytop;
-				polybottomslope = polybottom;
-			}
-			// Skew the texture, but peg it to the floor
-			else if (gl_linedef->flags & ML_MIDPEG)
-			{
-				polybottom = popenbottom + rowoffset;
-				polytop = polybottom + midtexheight;
-				polybottomslope = popenbottomslope + rowoffset;
-				polytopslope = polybottomslope + midtexheight;
-			}
-			// Skew it according to the ceiling's slope
-			else
-			{
-				polytop = popentop + rowoffset;
-				polybottom = polytop - midtexheight;
-				polytopslope = popentopslope + rowoffset;
-				polybottomslope = polytopslope - midtexheight;
-			}
-
-			// CB
-			// NOTE: With polyobjects, whenever you need to check the properties of the polyobject sector it belongs to,
-			// you must use the linedef's backsector to be correct
-			if (gl_curline->polyseg)
-			{
-				lowcut = polybottom;
-				highcut = polytop;
-				lowcutslope = polybottomslope;
-				highcutslope = polytopslope;
-			}
-			else
-			{
-				// The cut-off values of a linedef can always be constant, since every line has an absoulute front and or back sector
-				lowcut = popenbottom;
-				highcut = popentop;
-				lowcutslope = popenbottomslope;
-				highcutslope = popentopslope;
-			}
-
-			h = min(highcut, polytop);
-			l = max(polybottom, lowcut);
-			hS = min(highcutslope, polytopslope);
-			lS = max(polybottomslope, lowcutslope);
-
-			// PEGGING
-			fixed_t texturevpegslope;
-
-			if (gl_linedef->flags & ML_MIDPEG)
-			{
-				texturevpeg = midtexheight - h + polybottom;
-				texturevpegslope = midtexheight - hS + polybottomslope;
-			}
-			else
-			{
-				texturevpeg = polytop - h;
-				texturevpegslope = polytopslope - hS;
-			}
-
-			// Left side
-			wallVerts[3].t = texturevpeg * yscale * grTex->scaleY;
-			wallVerts[0].t = (h - l + texturevpeg) * yscale * grTex->scaleY;
-			wallVerts[0].s = wallVerts[3].s = ((cliplow * xscale) + gl_sidedef->offsetx_mid) * grTex->scaleX;
-
-			// Right side
-			wallVerts[2].t = texturevpegslope * yscale * grTex->scaleY;
-			wallVerts[1].t = (hS - lS + texturevpegslope) * yscale * grTex->scaleY;
-			wallVerts[2].s = wallVerts[1].s = ((cliphigh * xscale) + gl_sidedef->offsetx_mid) * grTex->scaleX;
+		// Render midtexture if there's one
+		if (gl_midtexture)
+			HWR_RenderMidtexture(gl_midtexture, cliplow, cliphigh, worldtop, worldbottom, worldhigh, worldlow, worldtopslope, worldbottomslope, worldhighslope, worldlowslope, lightnum, wallVerts);
 
-			// set top/bottom coords
-			// Take the texture peg into account, rather than changing the offsets past
-			// where the polygon might not be.
-			wallVerts[3].y = FIXED_TO_FLOAT(h);
-			wallVerts[0].y = FIXED_TO_FLOAT(l);
-			wallVerts[2].y = FIXED_TO_FLOAT(hS);
-			wallVerts[1].y = FIXED_TO_FLOAT(lS);
-
-			// TODO: Actually use the surface's flags so that I don't have to do this
-			FUINT blendmode = Surf.PolyFlags;
-
-			// Render midtextures on two-sided lines with a z-buffer offset.
-			// This will cause the midtexture appear on top, if a FOF overlaps with it.
-			blendmode |= PF_Decal;
-
-			if (gl_frontsector->numlights)
-			{
-				if (!(blendmode & PF_Masked))
-					HWR_SplitWall(gl_frontsector, wallVerts, gl_midtexture, &Surf, FOF_TRANSLUCENT, NULL, blendmode);
-				else
-					HWR_SplitWall(gl_frontsector, wallVerts, gl_midtexture, &Surf, FOF_CUTLEVEL, NULL, blendmode);
-			}
-			else if (!(blendmode & PF_Masked))
-				HWR_AddTransparentWall(wallVerts, &Surf, gl_midtexture, blendmode, false, lightnum, colormap);
-			else
-				HWR_ProjectWall(wallVerts, &Surf, blendmode, lightnum, colormap);
-		}
-
-		// Sky culling
-		// No longer so much a mess as before!
 		if (!gl_curline->polyseg) // Don't do it for polyobjects
 		{
+			// Sky culling
+			// No longer so much a mess as before!
 			if (gl_frontsector->ceilingpic == skyflatnum
 				&& gl_backsector->ceilingpic != skyflatnum) // don't cull if back sector is also sky
 			{
@@ -1384,8 +1433,8 @@ static void HWR_ProcessSeg(void)
 
 			wallVerts[3].t = wallVerts[2].t = texturevpeg * grTex->scaleY;
 			wallVerts[0].t = wallVerts[1].t = (texturevpeg + gl_frontsector->ceilingheight - gl_frontsector->floorheight) * grTex->scaleY;
-			wallVerts[0].s = wallVerts[3].s = ((cliplow * xscale) + gl_sidedef->offsetx_mid) * grTex->scaleX;
-			wallVerts[2].s = wallVerts[1].s = ((cliphigh * xscale) + gl_sidedef->offsetx_mid) * grTex->scaleX;
+			wallVerts[0].s = wallVerts[3].s = ((cliplow * xscale) + gl_sidedef->textureoffset + gl_sidedef->offsetx_mid) * grTex->scaleX;
+			wallVerts[2].s = wallVerts[1].s = ((cliphigh * xscale) + gl_sidedef->textureoffset + gl_sidedef->offsetx_mid) * grTex->scaleX;
 
 			// Texture correction for slopes
 			if (gl_linedef->flags & ML_NOSKEW) {
@@ -1448,8 +1497,9 @@ static void HWR_ProcessSeg(void)
 		// Used for height comparisons and etc across FOFs and slopes
 		fixed_t high1, highslope1, low1, lowslope1;
 
+		fixed_t texturehpeg = gl_sidedef->textureoffset + gl_sidedef->offsetx_mid;
+
 		INT32 texnum;
-		line_t * newline = NULL; // Multi-Property FOF
 
 		lowcut = max(worldbottom, worldlow);
 		highcut = min(worldtop, worldhigh);
@@ -1483,16 +1533,14 @@ static void HWR_ProcessSeg(void)
 				if ((high1 < lowcut && highslope1 < lowcutslope) || (low1 > highcut && lowslope1 > highcutslope))
 					continue;
 
-				side_t *side = &sides[rover->master->sidenum[0]];
+				side_t *side = R_GetFFloorSide(gl_curline, rover);
 
 				boolean do_texture_skew;
 				boolean dont_peg_bottom;
 
 				if (rover->master->flags & ML_TFERLINE)
 				{
-					size_t linenum = gl_curline->linedef-gl_backsector->lines[0];
-					newline = rover->master->frontsector->lines[0] + linenum;
-					side = &sides[newline->sidenum[0]];
+					line_t *newline = R_GetFFloorLine(gl_curline, rover);
 					do_texture_skew = newline->flags & ML_SKEWTD;
 					dont_peg_bottom = newline->flags & ML_DONTPEGBOTTOM;
 				}
@@ -1570,14 +1618,14 @@ static void HWR_ProcessSeg(void)
 						}
 					}
 
-					wallVerts[0].s = wallVerts[3].s = ((cliplow * xscale) + side->offsetx_mid) * grTex->scaleX;
-					wallVerts[2].s = wallVerts[1].s = ((cliphigh * xscale) + side->offsetx_mid) * grTex->scaleX;
+					wallVerts[0].s = wallVerts[3].s = ((cliplow * xscale) + texturehpeg + side->offsetx_mid) * grTex->scaleX;
+					wallVerts[2].s = wallVerts[1].s = ((cliphigh * xscale) + texturehpeg + side->offsetx_mid) * grTex->scaleX;
 				}
 
+				FBITFIELD blendmode;
+
 				if (rover->fofflags & FOF_FOG)
 				{
-					FBITFIELD blendmode;
-
 					blendmode = PF_Fog|PF_NoTexture;
 
 					lightnum = rover->master->frontsector->lightlevel;
@@ -1593,7 +1641,7 @@ static void HWR_ProcessSeg(void)
 				}
 				else
 				{
-					FBITFIELD blendmode = PF_Masked;
+					blendmode = PF_Masked;
 
 					if ((rover->fofflags & FOF_TRANSLUCENT && !(rover->fofflags & FOF_SPLAT)) || rover->blend)
 					{
@@ -1641,13 +1689,21 @@ static void HWR_ProcessSeg(void)
 				if ((high1 < lowcut && highslope1 < lowcutslope) || (low1 > highcut && lowslope1 > highcutslope))
 					continue;
 
-				side_t *side = &sides[rover->master->sidenum[0]];
+				side_t *side = R_GetFFloorSide(gl_curline, rover);
+
+				boolean do_texture_skew;
+				boolean dont_peg_bottom;
 
 				if (rover->master->flags & ML_TFERLINE)
 				{
-					size_t linenum = gl_curline->linedef-gl_backsector->lines[0];
-					newline = rover->master->frontsector->lines[0] + linenum;
-					side = &sides[newline->sidenum[0]];
+					line_t *newline = R_GetFFloorLine(gl_curline, rover);
+					do_texture_skew = newline->flags & ML_SKEWTD;
+					dont_peg_bottom = newline->flags & ML_DONTPEGBOTTOM;
+				}
+				else
+				{
+					do_texture_skew = rover->master->flags & ML_SKEWTD;
+					dont_peg_bottom = gl_curline->linedef->flags & ML_DONTPEGBOTTOM;
 				}
 
 				texnum = R_GetTextureNum(side->midtexture);
@@ -1684,23 +1740,49 @@ static void HWR_ProcessSeg(void)
 				}
 				else
 				{
+					// Wow, how was this missing from OpenGL for so long?
+					// ...Oh well, anyway, Lower Unpegged now changes pegging of FOFs like in software
+					// -- Monster Iestyn 26/06/18
+					fixed_t texturevpeg = side->rowoffset + side->offsety_mid;
+
 					grTex = HWR_GetTexture(texnum);
 					xscale = FixedToFloat(side->scalex_mid);
 					yscale = FixedToFloat(side->scaley_mid);
 
-					fixed_t diff = (*rover->topheight - h) * yscale;
+					if (!do_texture_skew) // no skewing
+					{
+						if (dont_peg_bottom)
+							texturevpeg -= (*rover->topheight - *rover->bottomheight) * yscale;
 
-					wallVerts[3].t = wallVerts[2].t = (diff + side->rowoffset + side->offsety_mid) * grTex->scaleY;
-					wallVerts[0].t = wallVerts[1].t = (((h - l) * yscale) + (diff + side->rowoffset + side->offsety_mid)) * grTex->scaleY;
+						wallVerts[3].t = (((*rover->topheight - h) * yscale) + texturevpeg) * grTex->scaleY;
+						wallVerts[2].t = (((*rover->topheight - hS) * yscale) + texturevpeg) * grTex->scaleY;
+						wallVerts[0].t = (((*rover->topheight - l) * yscale) + texturevpeg) * grTex->scaleY;
+						wallVerts[1].t = (((*rover->topheight - lS) * yscale) + texturevpeg) * grTex->scaleY;
+					}
+					else
+					{
+						if (!dont_peg_bottom) // skew by top
+						{
+							wallVerts[3].t = wallVerts[2].t = texturevpeg * grTex->scaleY;
+							wallVerts[0].t = (((h - l) * yscale) + texturevpeg) * grTex->scaleY;
+							wallVerts[1].t = (((hS - lS) * yscale) + texturevpeg) * grTex->scaleY;
+						}
+						else // skew by bottom
+						{
+							wallVerts[0].t = wallVerts[1].t = texturevpeg * grTex->scaleY;
+							wallVerts[3].t = wallVerts[0].t - ((h - l) * yscale) * grTex->scaleY;
+							wallVerts[2].t = wallVerts[1].t - ((hS - lS) * yscale) * grTex->scaleY;
+						}
+					}
 
-					wallVerts[0].s = wallVerts[3].s = ((cliplow * xscale) + side->offsetx_mid) * grTex->scaleX;
-					wallVerts[2].s = wallVerts[1].s = ((cliphigh * xscale) + side->offsetx_mid) * grTex->scaleX;
+					wallVerts[0].s = wallVerts[3].s = ((cliplow * xscale) + texturehpeg + side->offsetx_mid) * grTex->scaleX;
+					wallVerts[2].s = wallVerts[1].s = ((cliphigh * xscale) + texturehpeg + side->offsetx_mid) * grTex->scaleX;
 				}
 
+				FBITFIELD blendmode;
+
 				if (rover->fofflags & FOF_FOG)
 				{
-					FBITFIELD blendmode;
-
 					blendmode = PF_Fog|PF_NoTexture;
 
 					lightnum = rover->master->frontsector->lightlevel;
@@ -1716,7 +1798,7 @@ static void HWR_ProcessSeg(void)
 				}
 				else
 				{
-					FBITFIELD blendmode = PF_Masked;
+					blendmode = PF_Masked;
 
 					if ((rover->fofflags & FOF_TRANSLUCENT && !(rover->fofflags & FOF_SPLAT)) || rover->blend)
 					{
@@ -1994,36 +2076,14 @@ static boolean HWR_CheckBBox(fixed_t *bspcoord)
 static inline void HWR_AddPolyObjectSegs(void)
 {
 	size_t i, j;
-	seg_t *gl_fakeline = Z_Calloc(sizeof(seg_t), PU_STATIC, NULL);
-	polyvertex_t *pv1 = Z_Calloc(sizeof(polyvertex_t), PU_STATIC, NULL);
-	polyvertex_t *pv2 = Z_Calloc(sizeof(polyvertex_t), PU_STATIC, NULL);
 
 	// Sort through all the polyobjects
 	for (i = 0; i < numpolys; ++i)
 	{
 		// Render the polyobject's lines
 		for (j = 0; j < po_ptrs[i]->segCount; ++j)
-		{
-			// Copy the info of a polyobject's seg, then convert it to OpenGL floating point
-			M_Memcpy(gl_fakeline, po_ptrs[i]->segs[j], sizeof(seg_t));
-
-			// Now convert the line to float and add it to be rendered
-			pv1->x = FIXED_TO_FLOAT(gl_fakeline->v1->x);
-			pv1->y = FIXED_TO_FLOAT(gl_fakeline->v1->y);
-			pv2->x = FIXED_TO_FLOAT(gl_fakeline->v2->x);
-			pv2->y = FIXED_TO_FLOAT(gl_fakeline->v2->y);
-
-			gl_fakeline->pv1 = pv1;
-			gl_fakeline->pv2 = pv2;
-
-			HWR_AddLine(gl_fakeline);
-		}
+			HWR_AddLine(po_ptrs[i]->segs[j]);
 	}
-
-	// Free temporary data no longer needed
-	Z_Free(pv2);
-	Z_Free(pv1);
-	Z_Free(gl_fakeline);
 }
 
 static void HWR_RenderPolyObjectPlane(polyobj_t *polysector, boolean isceiling, fixed_t fixedheight,
@@ -2048,13 +2108,8 @@ static void HWR_RenderPolyObjectPlane(polyobj_t *polysector, boolean isceiling,
 	static FOutVector *planeVerts = NULL;
 	static UINT16 numAllocedPlaneVerts = 0;
 
-	if (nrPlaneVerts < 3)   // Not even a triangle?
-		return;
-	else if (nrPlaneVerts > (size_t)UINT16_MAX) // FIXME: exceeds plVerts size
-	{
-		CONS_Debug(DBG_RENDER, "polygon size of %s exceeds max value of %d vertices\n", sizeu1(nrPlaneVerts), UINT16_MAX);
+	if (!r_renderfloors || nrPlaneVerts < 3)   // Not even a triangle?
 		return;
-	}
 
 	// Allocate plane-vertex buffer if we need to
 	if (!planeVerts || nrPlaneVerts > numAllocedPlaneVerts)
@@ -2197,7 +2252,7 @@ static void HWR_AddPolyObjectPlanes(void)
 			}
 			else
 			{
-				HWR_GetLevelFlat(&levelflats[polyobjsector->floorpic]);
+				HWR_GetLevelFlat(&levelflats[polyobjsector->floorpic], false);
 				HWR_RenderPolyObjectPlane(po_ptrs[i], false, polyobjsector->floorheight, PF_Occlude,
 										(light == -1 ? gl_frontsector->lightlevel : *gl_frontsector->lightlist[light].lightlevel), &levelflats[polyobjsector->floorpic],
 										polyobjsector, 255, (light == -1 ? gl_frontsector->extra_colormap : *gl_frontsector->lightlist[light].extra_colormap));
@@ -2220,7 +2275,7 @@ static void HWR_AddPolyObjectPlanes(void)
 			}
 			else
 			{
-				HWR_GetLevelFlat(&levelflats[polyobjsector->ceilingpic]);
+				HWR_GetLevelFlat(&levelflats[polyobjsector->ceilingpic], false);
 				HWR_RenderPolyObjectPlane(po_ptrs[i], true, polyobjsector->ceilingheight, PF_Occlude,
 				                          (light == -1 ? gl_frontsector->lightlevel : *gl_frontsector->lightlist[light].lightlevel), &levelflats[polyobjsector->ceilingpic],
 				                          polyobjsector, 255, (light == -1 ? gl_frontsector->extra_colormap : *gl_frontsector->lightlist[light].extra_colormap));
@@ -2350,7 +2405,7 @@ static void HWR_Subsector(size_t num)
 		{
 			if (sub->validcount != validcount)
 			{
-				HWR_GetLevelFlat(&levelflats[gl_frontsector->floorpic]);
+				HWR_GetLevelFlat(&levelflats[gl_frontsector->floorpic], false);
 				HWR_RenderPlane(sub, &extrasubsectors[num], false,
 					// Hack to make things continue to work around slopes.
 					locFloorHeight == cullFloorHeight ? locFloorHeight : gl_frontsector->floorheight,
@@ -2366,7 +2421,7 @@ static void HWR_Subsector(size_t num)
 		{
 			if (sub->validcount != validcount)
 			{
-				HWR_GetLevelFlat(&levelflats[gl_frontsector->ceilingpic]);
+				HWR_GetLevelFlat(&levelflats[gl_frontsector->ceilingpic], false);
 				HWR_RenderPlane(sub, &extrasubsectors[num], true,
 					// Hack to make things continue to work around slopes.
 					locCeilingHeight == cullCeilingHeight ? locCeilingHeight : gl_frontsector->ceilingheight,
@@ -2424,7 +2479,7 @@ static void HWR_Subsector(size_t num)
 					                       *rover->bottomheight,
 					                       *gl_frontsector->lightlist[light].lightlevel,
 					                       alpha, rover->master->frontsector, PF_Fog|PF_NoTexture,
-										   true, rover->master->frontsector->extra_colormap);
+										   true, false, rover->master->frontsector->extra_colormap);
 				}
 				else if ((rover->fofflags & FOF_TRANSLUCENT && !(rover->fofflags & FOF_SPLAT)) || rover->blend) // SoM: Flags are more efficient
 				{
@@ -2437,11 +2492,11 @@ static void HWR_Subsector(size_t num)
 					                       *gl_frontsector->lightlist[light].lightlevel,
 					                       max(0, min(rover->alpha, 255)), rover->master->frontsector,
 					                       HWR_RippleBlend(gl_frontsector, rover, false) | (rover->blend ? HWR_GetBlendModeFlag(rover->blend) : PF_Translucent),
-					                       false, *gl_frontsector->lightlist[light].extra_colormap);
+					                       false, rover->fofflags & FOF_SPLAT, *gl_frontsector->lightlist[light].extra_colormap);
 				}
 				else
 				{
-					HWR_GetLevelFlat(&levelflats[*rover->bottompic]);
+					HWR_GetLevelFlat(&levelflats[*rover->bottompic], rover->fofflags & FOF_SPLAT);
 					light = R_GetPlaneLight(gl_frontsector, centerHeight, viewz < bottomCullHeight ? true : false);
 					HWR_RenderPlane(sub, &extrasubsectors[num], false, *rover->bottomheight, HWR_RippleBlend(gl_frontsector, rover, false)|PF_Occlude, *gl_frontsector->lightlist[light].lightlevel, &levelflats[*rover->bottompic],
 					                rover->master->frontsector, 255, *gl_frontsector->lightlist[light].extra_colormap);
@@ -2469,7 +2524,7 @@ static void HWR_Subsector(size_t num)
 					                       *rover->topheight,
 					                       *gl_frontsector->lightlist[light].lightlevel,
 					                       alpha, rover->master->frontsector, PF_Fog|PF_NoTexture,
-										   true, rover->master->frontsector->extra_colormap);
+										   true, false, rover->master->frontsector->extra_colormap);
 				}
 				else if ((rover->fofflags & FOF_TRANSLUCENT && !(rover->fofflags & FOF_SPLAT)) || rover->blend)
 				{
@@ -2482,11 +2537,11 @@ static void HWR_Subsector(size_t num)
 					                        *gl_frontsector->lightlist[light].lightlevel,
 					                        max(0, min(rover->alpha, 255)), rover->master->frontsector,
 					                        HWR_RippleBlend(gl_frontsector, rover, false) | (rover->blend ? HWR_GetBlendModeFlag(rover->blend) : PF_Translucent),
-					                        false, *gl_frontsector->lightlist[light].extra_colormap);
+					                        false, rover->fofflags & FOF_SPLAT, *gl_frontsector->lightlist[light].extra_colormap);
 				}
 				else
 				{
-					HWR_GetLevelFlat(&levelflats[*rover->toppic]);
+					HWR_GetLevelFlat(&levelflats[*rover->toppic], rover->fofflags & FOF_SPLAT);
 					light = R_GetPlaneLight(gl_frontsector, centerHeight, viewz < topCullHeight ? true : false);
 					HWR_RenderPlane(sub, &extrasubsectors[num], true, *rover->topheight, HWR_RippleBlend(gl_frontsector, rover, false)|PF_Occlude, *gl_frontsector->lightlist[light].lightlevel, &levelflats[*rover->toppic],
 					                  rover->master->frontsector, 255, *gl_frontsector->lightlist[light].extra_colormap);
@@ -3793,6 +3848,7 @@ typedef struct
 	sector_t *FOFSector;
 	FBITFIELD blend;
 	boolean fogplane;
+	boolean chromakeyed;
 	extracolormap_t *planecolormap;
 	INT32 drawcount;
 } planeinfo_t;
@@ -3834,7 +3890,7 @@ static INT32 drawcount = 0;
 #define MAX_TRANSPARENTFLOOR 512
 
 // This will likely turn into a copy of HWR_Add3DWater and replace it.
-void HWR_AddTransparentFloor(levelflat_t *levelflat, extrasubsector_t *xsub, boolean isceiling, fixed_t fixedheight, INT32 lightlevel, INT32 alpha, sector_t *FOFSector, FBITFIELD blend, boolean fogplane, extracolormap_t *planecolormap)
+void HWR_AddTransparentFloor(levelflat_t *levelflat, extrasubsector_t *xsub, boolean isceiling, fixed_t fixedheight, INT32 lightlevel, INT32 alpha, sector_t *FOFSector, FBITFIELD blend, boolean fogplane, boolean chromakeyed, extracolormap_t *planecolormap)
 {
 	static size_t allocedplanes = 0;
 
@@ -3857,6 +3913,7 @@ void HWR_AddTransparentFloor(levelflat_t *levelflat, extrasubsector_t *xsub, boo
 	planeinfo[numplanes].FOFSector = FOFSector;
 	planeinfo[numplanes].blend = blend;
 	planeinfo[numplanes].fogplane = fogplane;
+	planeinfo[numplanes].chromakeyed = chromakeyed;
 	planeinfo[numplanes].planecolormap = planecolormap;
 	planeinfo[numplanes].drawcount = drawcount++;
 
@@ -4023,7 +4080,7 @@ static void HWR_CreateDrawNodes(void)
 			gl_frontsector = NULL;
 
 			if (!(sortnode[sortindex[i]].plane->blend & PF_NoTexture))
-				HWR_GetLevelFlat(sortnode[sortindex[i]].plane->levelflat);
+				HWR_GetLevelFlat(sortnode[sortindex[i]].plane->levelflat, sortnode[sortindex[i]].plane->chromakeyed);
 			HWR_RenderPlane(NULL, sortnode[sortindex[i]].plane->xsub, sortnode[sortindex[i]].plane->isceiling, sortnode[sortindex[i]].plane->fixedheight, sortnode[sortindex[i]].plane->blend, sortnode[sortindex[i]].plane->lightlevel,
 				sortnode[sortindex[i]].plane->levelflat, sortnode[sortindex[i]].plane->FOFSector, sortnode[sortindex[i]].plane->alpha, sortnode[sortindex[i]].plane->planecolormap);
 		}
@@ -4032,9 +4089,11 @@ static void HWR_CreateDrawNodes(void)
 			// We aren't traversing the BSP tree, so make gl_frontsector null to avoid crashes.
 			gl_frontsector = NULL;
 
+			polyobj_t *po = sortnode[sortindex[i]].polyplane->polysector;
+
 			if (!(sortnode[sortindex[i]].polyplane->blend & PF_NoTexture))
-				HWR_GetLevelFlat(sortnode[sortindex[i]].polyplane->levelflat);
-			HWR_RenderPolyObjectPlane(sortnode[sortindex[i]].polyplane->polysector, sortnode[sortindex[i]].polyplane->isceiling, sortnode[sortindex[i]].polyplane->fixedheight, sortnode[sortindex[i]].polyplane->blend, sortnode[sortindex[i]].polyplane->lightlevel,
+				HWR_GetLevelFlat(sortnode[sortindex[i]].polyplane->levelflat, po->flags & POF_SPLAT);
+			HWR_RenderPolyObjectPlane(po, sortnode[sortindex[i]].polyplane->isceiling, sortnode[sortindex[i]].polyplane->fixedheight, sortnode[sortindex[i]].polyplane->blend, sortnode[sortindex[i]].polyplane->lightlevel,
 				sortnode[sortindex[i]].polyplane->levelflat, sortnode[sortindex[i]].polyplane->FOFSector, sortnode[sortindex[i]].polyplane->alpha, sortnode[sortindex[i]].polyplane->planecolormap);
 		}
 		else if (sortnode[sortindex[i]].wall)
@@ -4239,7 +4298,7 @@ static void HWR_ProjectSprite(mobj_t *thing)
 	// uncapped/interpolation
 	interpmobjstate_t interp = {0};
 
-	if (!cv_renderthings.value)
+	if (!r_renderthings)
 		return;
 
 	if (!thing)
@@ -5513,7 +5572,7 @@ static void HWR_TogglePaletteRendering(void)
 			// The textures will still be converted to RGBA by r_opengl.
 			// This however makes hw_cache use paletted blending for composite textures!
 			// (patchformat is not touched)
-			textureformat = GL_TEXFMT_P_8;
+			textureformat = GL_TEXFMT_AP_88;
 
 			HWR_SetMapPalette();
 			HWR_SetPalette(pLocalPalette);
@@ -5784,7 +5843,7 @@ void HWR_AddTransparentWall(FOutVector *wallVerts, FSurfaceInfo *pSurf, INT32 te
 {
 	static size_t allocedwalls = 0;
 
-	if (!cv_renderwalls.value)
+	if (!r_renderwalls)
 		return;
 
 	// Force realloc if buffer has been freed
@@ -5815,7 +5874,7 @@ void HWR_RenderWall(FOutVector *wallVerts, FSurfaceInfo *pSurf, FBITFIELD blend,
 
 	INT32 shader = SHADER_NONE;
 
-	if (!cv_renderwalls.value)
+	if (!r_renderwalls)
 		return;
 
 	// Lighting is done here instead so that fog isn't drawn incorrectly on transparent walls after sorting
diff --git a/src/lua_baselib.c b/src/lua_baselib.c
index 680c6a2c3ca9afbd48fdf7320d1b8a9e502373fb..e75a911eef51f6f47b9d9bef756ca1401d9ac351 100644
--- a/src/lua_baselib.c
+++ b/src/lua_baselib.c
@@ -44,6 +44,21 @@ return luaL_error(L, "HUD rendering code should not call this function!");\
 else if (hook_cmd_running)\
 return luaL_error(L, "CMD building code should not call this function!");
 
+#define NOSPAWNNULL if (type >= NUMMOBJTYPES)\
+return luaL_error(L, "mobj type %d out of range (0 - %d)", type, NUMMOBJTYPES-1);\
+else if (type == MT_NULL)\
+{\
+	if (!nospawnnull_seen) {\
+		nospawnnull_seen = true;\
+		CONS_Alert(CONS_WARNING,"Spawning an \"MT_NULL\" mobj is deprecated and will be removed.\nUse \"MT_RAY\" instead.\n");\
+	}\
+type = MT_RAY;\
+}
+static boolean nospawnnull_seen = false; // TODO: 2.3: Delete
+// TODO: 2.3: Use the below NOSPAWNNULL define instead. P_SpawnMobj used to say "if MT_NULL, use MT_RAY instead", so the above define maintains Lua script compatibility until v2.3
+/*#define NOSPAWNNULL if (type <= MT_NULL || type >= NUMMOBJTYPES)\
+return luaL_error(L, "mobj type %d out of range (1 - %d)", type, NUMMOBJTYPES-1);*/
+
 boolean luaL_checkboolean(lua_State *L, int narg) {
 	luaL_checktype(L, narg, LUA_TBOOLEAN);
 	return lua_toboolean(L, narg);
@@ -625,8 +640,7 @@ static int lib_pSpawnMobj(lua_State *L)
 	mobjtype_t type = luaL_checkinteger(L, 4);
 	NOHUD
 	INLEVEL
-	if (type >= NUMMOBJTYPES)
-		return luaL_error(L, "mobj type %d out of range (0 - %d)", type, NUMMOBJTYPES-1);
+	NOSPAWNNULL
 	LUA_PushUserdata(L, P_SpawnMobj(x, y, z, type), META_MOBJ);
 	return 1;
 }
@@ -640,10 +654,9 @@ static int lib_pSpawnMobjFromMobj(lua_State *L)
 	mobjtype_t type = luaL_checkinteger(L, 5);
 	NOHUD
 	INLEVEL
+	NOSPAWNNULL
 	if (!actor)
 		return LUA_ErrInvalid(L, "mobj_t");
-	if (type >= NUMMOBJTYPES)
-		return luaL_error(L, "mobj type %d out of range (0 - %d)", type, NUMMOBJTYPES-1);
 	LUA_PushUserdata(L, P_SpawnMobjFromMobj(actor, x, y, z, type), META_MOBJ);
 	return 1;
 }
@@ -708,10 +721,9 @@ static int lib_pSpawnMissile(lua_State *L)
 	mobjtype_t type = luaL_checkinteger(L, 3);
 	NOHUD
 	INLEVEL
+	NOSPAWNNULL
 	if (!source || !dest)
 		return LUA_ErrInvalid(L, "mobj_t");
-	if (type >= NUMMOBJTYPES)
-		return luaL_error(L, "mobj type %d out of range (0 - %d)", type, NUMMOBJTYPES-1);
 	LUA_PushUserdata(L, P_SpawnMissile(source, dest, type), META_MOBJ);
 	return 1;
 }
@@ -726,10 +738,9 @@ static int lib_pSpawnXYZMissile(lua_State *L)
 	fixed_t z = luaL_checkfixed(L, 6);
 	NOHUD
 	INLEVEL
+	NOSPAWNNULL
 	if (!source || !dest)
 		return LUA_ErrInvalid(L, "mobj_t");
-	if (type >= NUMMOBJTYPES)
-		return luaL_error(L, "mobj type %d out of range (0 - %d)", type, NUMMOBJTYPES-1);
 	LUA_PushUserdata(L, P_SpawnXYZMissile(source, dest, type, x, y, z), META_MOBJ);
 	return 1;
 }
@@ -746,10 +757,9 @@ static int lib_pSpawnPointMissile(lua_State *L)
 	fixed_t z = luaL_checkfixed(L, 8);
 	NOHUD
 	INLEVEL
+	NOSPAWNNULL
 	if (!source)
 		return LUA_ErrInvalid(L, "mobj_t");
-	if (type >= NUMMOBJTYPES)
-		return luaL_error(L, "mobj type %d out of range (0 - %d)", type, NUMMOBJTYPES-1);
 	LUA_PushUserdata(L, P_SpawnPointMissile(source, xa, ya, za, type, x, y, z), META_MOBJ);
 	return 1;
 }
@@ -764,10 +774,9 @@ static int lib_pSpawnAlteredDirectionMissile(lua_State *L)
 	INT32 shiftingAngle = (INT32)luaL_checkinteger(L, 5);
 	NOHUD
 	INLEVEL
+	NOSPAWNNULL
 	if (!source)
 		return LUA_ErrInvalid(L, "mobj_t");
-	if (type >= NUMMOBJTYPES)
-		return luaL_error(L, "mobj type %d out of range (0 - %d)", type, NUMMOBJTYPES-1);
 	LUA_PushUserdata(L, P_SpawnAlteredDirectionMissile(source, type, x, y, z, shiftingAngle), META_MOBJ);
 	return 1;
 }
@@ -795,10 +804,9 @@ static int lib_pSPMAngle(lua_State *L)
 	UINT32 flags2 = (UINT32)luaL_optinteger(L, 5, 0);
 	NOHUD
 	INLEVEL
+	NOSPAWNNULL
 	if (!source)
 		return LUA_ErrInvalid(L, "mobj_t");
-	if (type >= NUMMOBJTYPES)
-		return luaL_error(L, "mobj type %d out of range (0 - %d)", type, NUMMOBJTYPES-1);
 	LUA_PushUserdata(L, P_SPMAngle(source, type, angle, allowaim, flags2), META_MOBJ);
 	return 1;
 }
@@ -810,10 +818,9 @@ static int lib_pSpawnPlayerMissile(lua_State *L)
 	UINT32 flags2 = (UINT32)luaL_optinteger(L, 3, 0);
 	NOHUD
 	INLEVEL
+	NOSPAWNNULL
 	if (!source)
 		return LUA_ErrInvalid(L, "mobj_t");
-	if (type >= NUMMOBJTYPES)
-		return luaL_error(L, "mobj type %d out of range (0 - %d)", type, NUMMOBJTYPES-1);
 	LUA_PushUserdata(L, P_SpawnPlayerMissile(source, type, flags2), META_MOBJ);
 	return 1;
 }
@@ -844,8 +851,7 @@ static int lib_pWeaponOrPanel(lua_State *L)
 {
 	mobjtype_t type = luaL_checkinteger(L, 1);
 	//HUDSAFE
-	if (type >= NUMMOBJTYPES)
-		return luaL_error(L, "mobj type %d out of range (0 - %d)", type, NUMMOBJTYPES-1);
+	NOSPAWNNULL
 	lua_pushboolean(L, P_WeaponOrPanel(type));
 	return 1;
 }
@@ -888,8 +894,7 @@ static int lib_pSpawnParaloop(lua_State *L)
 	boolean spawncenter = lua_optboolean(L, 9);
 	NOHUD
 	INLEVEL
-	if (type >= NUMMOBJTYPES)
-		return luaL_error(L, "mobj type %d out of range (0 - %d)", type, NUMMOBJTYPES-1);
+	NOSPAWNNULL
 	if (nstate >= NUMSTATES)
 		return luaL_error(L, "state %d out of range (0 - %d)", nstate, NUMSTATES-1);
 	P_SpawnParaloop(x, y, z, radius, number, type, nstate, rotangle, spawncenter);
@@ -924,13 +929,14 @@ static int lib_pSetScale(lua_State *L)
 {
 	mobj_t *mobj = *((mobj_t **)luaL_checkudata(L, 1, META_MOBJ));
 	fixed_t newscale = luaL_checkfixed(L, 2);
+	boolean instant = lua_optboolean(L, 3);
 	NOHUD
 	INLEVEL
 	if (!mobj)
 		return LUA_ErrInvalid(L, "mobj_t");
 	if (newscale < FRACUNIT/100)
 		newscale = FRACUNIT/100;
-	P_SetScale(mobj, newscale);
+	P_SetScale(mobj, newscale, instant);
 	return 0;
 }
 
@@ -1762,10 +1768,9 @@ static int lib_pSpawnSpinMobj(lua_State *L)
 	mobjtype_t type = luaL_checkinteger(L, 2);
 	NOHUD
 	INLEVEL
+	NOSPAWNNULL
 	if (!player)
 		return LUA_ErrInvalid(L, "player_t");
-	if (type >= NUMMOBJTYPES)
-		return luaL_error(L, "mobj type %d out of range (0 - %d)", type, NUMMOBJTYPES-1);
 	P_SpawnSpinMobj(player, type);
 	return 0;
 }
@@ -2497,6 +2502,17 @@ static int lib_pDoSuperTransformation(lua_State *L)
 	return 0;
 }
 
+static int lib_pDoSuperDetransformation(lua_State *L)
+{
+	player_t *player = *((player_t **)luaL_checkudata(L, 1, META_PLAYER));
+	NOHUD
+	INLEVEL
+	if (!player)
+		return LUA_ErrInvalid(L, "player_t");
+	P_DoSuperDetransformation(player);
+	return 0;
+}
+
 static int lib_pExplodeMissile(lua_State *L)
 {
 	mobj_t *mo = *((mobj_t **)luaL_checkudata(L, 1, META_MOBJ));
@@ -2711,12 +2727,11 @@ static int lib_pFadeLight(lua_State *L)
 
 static int lib_pIsFlagAtBase(lua_State *L)
 {
-	mobjtype_t flag = luaL_checkinteger(L, 1);
+	mobjtype_t type = luaL_checkinteger(L, 1);
 	//HUDSAFE
 	INLEVEL
-	if (flag >= NUMMOBJTYPES)
-		return luaL_error(L, "mobj type %d out of range (0 - %d)", flag, NUMMOBJTYPES-1);
-	lua_pushboolean(L, P_IsFlagAtBase(flag));
+	NOSPAWNNULL
+	lua_pushboolean(L, P_IsFlagAtBase(type));
 	return 1;
 }
 
@@ -4450,6 +4465,7 @@ static luaL_Reg lib[] = {
 	{"P_VectorInstaThrust",lib_pVectorInstaThrust},
 	{"P_SetMobjStateNF",lib_pSetMobjStateNF},
 	{"P_DoSuperTransformation",lib_pDoSuperTransformation},
+	{"P_DoSuperDetransformation",lib_pDoSuperDetransformation},
 	{"P_ExplodeMissile",lib_pExplodeMissile},
 	{"P_MobjTouchingSectorSpecial",lib_pMobjTouchingSectorSpecial},
 	{"P_ThingOnSpecial3DFloor",lib_pThingOnSpecial3DFloor},
diff --git a/src/lua_hudlib.c b/src/lua_hudlib.c
index d665212636530ee8e5610d2175510a2bc7d97444..08e0367f9e2cd5a6c71eb0dcfaf57948194b0bea 100644
--- a/src/lua_hudlib.c
+++ b/src/lua_hudlib.c
@@ -47,6 +47,7 @@ static const char *const hud_disable_options[] = {
 	"time",
 	"rings",
 	"lives",
+	"input",
 
 	"weaponrings",
 	"powerstones",
@@ -70,6 +71,10 @@ static const char *const hud_disable_options[] = {
 	"intermissionemeralds",
 	NULL};
 
+// you know, let's actually make sure that the table is synced.
+// because fuck knows how many times this has happened at this point. :v
+I_StaticAssert(sizeof(hud_disable_options) / sizeof(*hud_disable_options) == hud_MAX+1);
+
 enum hudinfo {
 	hudinfo_x = 0,
 	hudinfo_y,
diff --git a/src/lua_mobjlib.c b/src/lua_mobjlib.c
index 9a858c4b6a9979ab8fb67696ddc67925c0da9705..4354a88ecfe7e2497eeb4c2a6a829a682cd91d96 100644
--- a/src/lua_mobjlib.c
+++ b/src/lua_mobjlib.c
@@ -777,7 +777,7 @@ static int mobj_set(lua_State *L)
 			return luaL_error(L, "mobj.type %d out of range (0 - %d).", newtype, NUMMOBJTYPES-1);
 		mo->type = newtype;
 		mo->info = &mobjinfo[newtype];
-		P_SetScale(mo, mo->scale);
+		P_SetScale(mo, mo->scale, false);
 		break;
 	}
 	case mobj_info:
@@ -851,9 +851,7 @@ static int mobj_set(lua_State *L)
 		fixed_t scale = luaL_checkfixed(L, 3);
 		if (scale < FRACUNIT/100)
 			scale = FRACUNIT/100;
-		mo->destscale = scale;
-		P_SetScale(mo, scale);
-		mo->old_scale = scale;
+		P_SetScale(mo, scale, true);
 		break;
 	}
 	case mobj_destscale:
diff --git a/src/m_menu.c b/src/m_menu.c
index 0f6f427cf293e66ca7271bb9b384ca2b34b02b4c..7811a99ba3197ed9783431723dc4254fdf01f992 100644
--- a/src/m_menu.c
+++ b/src/m_menu.c
@@ -1068,9 +1068,9 @@ static menuitem_t OP_ChangeControlsMenu[] =
 	{IT_CALL | IT_STRING2, NULL, "Move Backward",    M_ChangeControl, GC_BACKWARD    },
 	{IT_CALL | IT_STRING2, NULL, "Move Left",        M_ChangeControl, GC_STRAFELEFT  },
 	{IT_CALL | IT_STRING2, NULL, "Move Right",       M_ChangeControl, GC_STRAFERIGHT },
-	{IT_CALL | IT_STRING2, NULL, "Jump",             M_ChangeControl, GC_JUMP      },
-	{IT_CALL | IT_STRING2, NULL, "Spin",             M_ChangeControl, GC_SPIN     },
-	{IT_CALL | IT_STRING2, NULL, "Shield",           M_ChangeControl, GC_SHIELD    },
+	{IT_CALL | IT_STRING2, NULL, "Jump",             M_ChangeControl, GC_JUMP        },
+	{IT_CALL | IT_STRING2, NULL, "Spin",             M_ChangeControl, GC_SPIN        },
+	{IT_CALL | IT_STRING2, NULL, "Shield Ability",   M_ChangeControl, GC_SHIELD      },
 	{IT_HEADER, NULL, "Camera", NULL, 0},
 	{IT_SPACE, NULL, NULL, NULL, 0}, // padding
 	{IT_CALL | IT_STRING2, NULL, "Look Up",        M_ChangeControl, GC_LOOKUP      },
@@ -1119,13 +1119,15 @@ static menuitem_t OP_ChangeControlsMenu[] =
 
 static menuitem_t OP_Joystick1Menu[] =
 {
-	{IT_STRING | IT_CALL,  NULL, "Select Gamepad...", M_Setup1PJoystickMenu, 10},
-	{IT_STRING | IT_CVAR,  NULL, "Move \x17 Axis"    , &cv_moveaxis         , 30},
-	{IT_STRING | IT_CVAR,  NULL, "Move \x18 Axis"    , &cv_sideaxis         , 40},
-	{IT_STRING | IT_CVAR,  NULL, "Camera \x17 Axis"  , &cv_lookaxis         , 50},
-	{IT_STRING | IT_CVAR,  NULL, "Camera \x18 Axis"  , &cv_turnaxis         , 60},
-	{IT_STRING | IT_CVAR,  NULL, "Jump Axis"         , &cv_jumpaxis         , 70},
-	{IT_STRING | IT_CVAR,  NULL, "Spin Axis"         , &cv_spinaxis         , 80},
+	{IT_STRING | IT_CALL,  NULL, "Select Gamepad...", M_Setup1PJoystickMenu,  0},
+
+	{IT_STRING | IT_CVAR,  NULL, "Move \x17 Axis"    , &cv_moveaxis         , 20},
+	{IT_STRING | IT_CVAR,  NULL, "Move \x18 Axis"    , &cv_sideaxis         , 30},
+	{IT_STRING | IT_CVAR,  NULL, "Camera \x17 Axis"  , &cv_lookaxis         , 40},
+	{IT_STRING | IT_CVAR,  NULL, "Camera \x18 Axis"  , &cv_turnaxis         , 50},
+	{IT_STRING | IT_CVAR,  NULL, "Jump Axis"         , &cv_jumpaxis         , 60},
+	{IT_STRING | IT_CVAR,  NULL, "Spin Axis"         , &cv_spinaxis         , 70},
+	{IT_STRING | IT_CVAR,  NULL, "Shield Axis"       , &cv_shieldaxis       , 80},
 	{IT_STRING | IT_CVAR,  NULL, "Fire Axis"         , &cv_fireaxis         , 90},
 	{IT_STRING | IT_CVAR,  NULL, "Fire Normal Axis"  , &cv_firenaxis        ,100},
 
@@ -1137,13 +1139,15 @@ static menuitem_t OP_Joystick1Menu[] =
 
 static menuitem_t OP_Joystick2Menu[] =
 {
-	{IT_STRING | IT_CALL,  NULL, "Select Gamepad...", M_Setup2PJoystickMenu, 10},
-	{IT_STRING | IT_CVAR,  NULL, "Move \x17 Axis"    , &cv_moveaxis2        , 30},
-	{IT_STRING | IT_CVAR,  NULL, "Move \x18 Axis"    , &cv_sideaxis2        , 40},
-	{IT_STRING | IT_CVAR,  NULL, "Camera \x17 Axis"  , &cv_lookaxis2        , 50},
-	{IT_STRING | IT_CVAR,  NULL, "Camera \x18 Axis"  , &cv_turnaxis2        , 60},
-	{IT_STRING | IT_CVAR,  NULL, "Jump Axis"         , &cv_jumpaxis2        , 70},
-	{IT_STRING | IT_CVAR,  NULL, "Spin Axis"         , &cv_spinaxis2        , 80},
+	{IT_STRING | IT_CALL,  NULL, "Select Gamepad...", M_Setup2PJoystickMenu,  0},
+
+	{IT_STRING | IT_CVAR,  NULL, "Move \x17 Axis"    , &cv_moveaxis2        , 20},
+	{IT_STRING | IT_CVAR,  NULL, "Move \x18 Axis"    , &cv_sideaxis2        , 30},
+	{IT_STRING | IT_CVAR,  NULL, "Camera \x17 Axis"  , &cv_lookaxis2        , 40},
+	{IT_STRING | IT_CVAR,  NULL, "Camera \x18 Axis"  , &cv_turnaxis2        , 50},
+	{IT_STRING | IT_CVAR,  NULL, "Jump Axis"         , &cv_jumpaxis2        , 60},
+	{IT_STRING | IT_CVAR,  NULL, "Spin Axis"         , &cv_spinaxis2        , 70},
+	{IT_STRING | IT_CVAR,  NULL, "Shield Axis"       , &cv_shieldaxis2      , 80},
 	{IT_STRING | IT_CVAR,  NULL, "Fire Axis"         , &cv_fireaxis2        , 90},
 	{IT_STRING | IT_CVAR,  NULL, "Fire Normal Axis"  , &cv_firenaxis2       ,100},
 
@@ -3426,7 +3430,7 @@ boolean M_Responder(event_t *ev)
 			// ignore ev_keydown events if the key maps to a character, since
 			// the ev_text event will follow immediately after in that case.
 			if (ev->type == ev_keydown && ch >= 32 && ch <= 127)
-				return false;
+				return true;
 
 			if (M_ChangeStringCvar(ch))
 				return true;
diff --git a/src/netcode/d_netcmd.c b/src/netcode/d_netcmd.c
index 760833b7977e7c5b009e84de859ddfae835f0fe3..e073a863c90bbe88025fd6f7ed9f4d0decac23d0 100644
--- a/src/netcode/d_netcmd.c
+++ b/src/netcode/d_netcmd.c
@@ -671,6 +671,13 @@ void D_RegisterClientCommands(void)
 	for (i = 0; i < MAXPLAYERS; i++)
 		sprintf(player_names[i], "Player %d", 1 + i);
 
+	CV_RegisterVar(&cv_gravity);
+	CV_RegisterVar(&cv_tailspickup);
+	CV_RegisterVar(&cv_allowmlook);
+	CV_RegisterVar(&cv_flipcam);
+	CV_RegisterVar(&cv_flipcam2);
+	CV_RegisterVar(&cv_movebob);
+
 	if (dedicated)
 		return;
 
@@ -815,6 +822,8 @@ void D_RegisterClientCommands(void)
 	CV_RegisterVar(&cv_jumpaxis2);
 	CV_RegisterVar(&cv_spinaxis);
 	CV_RegisterVar(&cv_spinaxis2);
+	CV_RegisterVar(&cv_shieldaxis);
+	CV_RegisterVar(&cv_shieldaxis2);
 	CV_RegisterVar(&cv_fireaxis);
 	CV_RegisterVar(&cv_fireaxis2);
 	CV_RegisterVar(&cv_firenaxis);
@@ -899,13 +908,6 @@ void D_RegisterClientCommands(void)
 
 	// screen.c
 	CV_RegisterVar(&cv_fullscreen);
-	CV_RegisterVar(&cv_renderview);
-	CV_RegisterVar(&cv_renderhitboxinterpolation);
-	CV_RegisterVar(&cv_renderhitboxgldepth);
-	CV_RegisterVar(&cv_renderhitbox);
-	CV_RegisterVar(&cv_renderwalls);
-	CV_RegisterVar(&cv_renderfloors);
-	CV_RegisterVar(&cv_renderthings);
 	CV_RegisterVar(&cv_renderer);
 	CV_RegisterVar(&cv_scr_depth);
 	CV_RegisterVar(&cv_scr_width);
@@ -926,8 +928,6 @@ void D_RegisterClientCommands(void)
 	CV_RegisterVar(&cv_opflags);
 	CV_RegisterVar(&cv_ophoopflags);
 	CV_RegisterVar(&cv_mapthingnum);
-//	CV_RegisterVar(&cv_grid);
-//	CV_RegisterVar(&cv_snapto);
 
 	CV_RegisterVar(&cv_freedemocamera);
 
diff --git a/src/netcode/d_netcmd.h b/src/netcode/d_netcmd.h
index de7097f7e4b872efbef924537712a52eaa8f3182..f92878a4e2e87efdae9c441ca30d61bcdb511ee5 100644
--- a/src/netcode/d_netcmd.h
+++ b/src/netcode/d_netcmd.h
@@ -94,7 +94,10 @@ extern consvar_t cv_inttime, cv_coopstarposts, cv_cooplives, cv_advancemap, cv_p
 extern consvar_t cv_overtime;
 extern consvar_t cv_startinglives;
 
-// for F_finale.c
+extern consvar_t cv_gravity, cv_movebob;
+extern consvar_t cv_tailspickup;
+
+// for f_finale.c
 extern consvar_t cv_rollingdemos;
 
 extern consvar_t cv_ringslinger, cv_soundtest;
@@ -105,7 +108,6 @@ extern consvar_t cv_maxping;
 extern consvar_t cv_pingtimeout;
 extern consvar_t cv_showping;
 
-
 extern consvar_t cv_skipmapcheck;
 
 extern consvar_t cv_sleep;
diff --git a/src/p_enemy.c b/src/p_enemy.c
index accc700730d6281dea492cb4068704c7561c5239..428c023ff3e6333b7f62cda4e3f528762b1d606e 100644
--- a/src/p_enemy.c
+++ b/src/p_enemy.c
@@ -1222,8 +1222,7 @@ static void P_FaceStabFlume(mobj_t *actor)
 	if (P_MobjWasRemoved(flume))
 		return;
 
-	flume->destscale = actor->scale*3;
-	P_SetScale(flume, flume->destscale);
+	P_SetScale(flume, 3*actor->scale, true);
 	P_SetTarget(&flume->target, actor);
 	flume->sprite = SPR_JETF;
 	flume->frame = FF_FULLBRIGHT;
@@ -1342,8 +1341,7 @@ void A_FaceStabHurl(mobj_t *actor)
 					{
 						hwork = hwork->hnext;
 						hwork->angle = actor->angle + ANGLE_90;
-						hwork->destscale = FixedSqrt(step*basesize);
-						P_SetScale(hwork, hwork->destscale);
+						P_SetScale(hwork, FixedSqrt(step*basesize), true);
 						hwork->fuse = 2;
 						P_MoveOrigin(hwork, actor->x + xo*(15-step), actor->y + yo*(15-step), actor->z + (actor->height - hwork->height)/2 + (P_MobjFlip(actor)*(8<<FRACBITS)));
 						if (P_MobjWasRemoved(hwork))
@@ -2486,7 +2484,7 @@ void A_VultureBlast(mobj_t *actor)
 		if (P_MobjWasRemoved(dust))
 			continue;
 
-		P_SetScale(dust, 4*FRACUNIT);
+		P_SetScale(dust, 4*FRACUNIT, true);
 		dust->destscale = FRACUNIT;
 		dust->scalespeed = 4*FRACUNIT/TICRATE;
 		dust->fuse = TICRATE;
@@ -2556,7 +2554,7 @@ void A_VultureFly(mobj_t *actor)
 	dust = P_SpawnMobj(actor->x + P_RandomFixed() - FRACUNIT/2, actor->y + P_RandomFixed() - FRACUNIT/2, actor->z + actor->height/2 + P_RandomFixed() - FRACUNIT/2, MT_PARTICLE);
 	if (!P_MobjWasRemoved(dust))
 	{
-		P_SetScale(dust, 2*FRACUNIT);
+		P_SetScale(dust, 2*FRACUNIT, true);
 		dust->destscale = FRACUNIT/3;
 		dust->scalespeed = FRACUNIT/40;
 		dust->fuse = TICRATE*2;
@@ -2765,15 +2763,9 @@ void A_LobShot(mobj_t *actor)
 		return;
 
 	if (actor->type == MT_BLACKEGGMAN)
-	{
-		shot->destscale = actor->scale/2;
-		P_SetScale(shot, actor->scale/2);
-	}
+		P_SetScale(shot, actor->scale/2, true);
 	else
-	{
-		shot->destscale = actor->scale;
-		P_SetScale(shot, actor->scale);
-	}
+		P_SetScale(shot, actor->scale, true);
 
 	P_SetTarget(&shot->target, actor); // where it came from
 
@@ -3218,8 +3210,7 @@ void A_Boss1Laser(mobj_t *actor)
 		if (!P_MobjWasRemoved(point))
 		{
 			point->angle = actor->angle;
-			point->destscale = actor->scale;
-			P_SetScale(point, point->destscale);
+			P_SetScale(point, actor->scale, true);
 			P_SetTarget(&point->target, actor);
 			P_MobjCheckWater(point);
 			if (point->eflags & (MFE_UNDERWATER|MFE_TOUCHWATER))
@@ -3230,7 +3221,8 @@ void A_Boss1Laser(mobj_t *actor)
 					mobj_t *steam = P_SpawnMobj(x, y, point->watertop - size*mobjinfo[MT_DUST].height, MT_DUST);
 					if (P_MobjWasRemoved(steam))
 						continue;
-					P_SetScale(steam, size*actor->scale);
+					P_SetScale(steam, size*actor->scale, false);
+					steam->old_scale = steam->scale;
 					P_SetObjectMomZ(steam, FRACUNIT + 2*P_RandomFixed(), true);
 					P_InstaThrust(steam, FixedAngle(P_RandomKey(360)*FRACUNIT), 2*P_RandomFixed());
 					if (point->info->painsound)
@@ -3603,8 +3595,7 @@ void A_BossScream(mobj_t *actor)
 		return;
 	if (actor->eflags & MFE_VERTICALFLIP)
 		mo->flags2 |= MF2_OBJECTFLIP;
-	mo->destscale = actor->scale;
-	P_SetScale(mo, mo->destscale);
+	P_SetScale(mo, actor->scale, true);
 	if (actor->info->deathsound)
 		S_StartSound(mo, actor->info->deathsound);
 }
@@ -4197,7 +4188,7 @@ static void P_DoBoss5Death(mobj_t *mo)
 				MT_FSGNB);
 			if (!P_MobjWasRemoved(pole))
 			{
-				P_SetScale(pole, (pole->destscale = 2*FRACUNIT));
+				P_SetScale(pole, 2*FRACUNIT, true);
 				pole->momx = P_ReturnThrustX(pole, pole->angle, speed);
 				pole->momy = P_ReturnThrustY(pole, pole->angle, speed);
 				P_SetTarget(&pole->tracer, P_SpawnMobj(
@@ -4207,7 +4198,7 @@ static void P_DoBoss5Death(mobj_t *mo)
 				if (!P_MobjWasRemoved(pole->tracer))
 				{
 					pole->tracer->flags |= MF_NOCLIPTHING;
-					P_SetScale(pole->tracer, (pole->tracer->destscale = 2*FRACUNIT));
+					P_SetScale(pole->tracer, 2*FRACUNIT, true);
 					pole->angle = pole->tracer->angle = mo->tracer->angle;
 					pole->tracer->momx = pole->momx;
 					pole->tracer->momy = pole->momy;
@@ -4746,10 +4737,7 @@ void A_BubbleSpawn(mobj_t *actor)
 		bubble = P_SpawnMobj(actor->x, actor->y, actor->z + (actor->height / 2), MT_MEDIUMBUBBLE);
 
 	if (bubble)
-	{
-		bubble->destscale = actor->scale;
-		P_SetScale(bubble, actor->scale);
-	}
+		P_SetScale(bubble, actor->scale, true);
 }
 
 // Function: A_FanBubbleSpawn
@@ -4792,10 +4780,7 @@ void A_FanBubbleSpawn(mobj_t *actor)
 		bubble = P_SpawnMobj(actor->x, actor->y, hz, MT_MEDIUMBUBBLE);
 
 	if (bubble)
-	{
-		bubble->destscale = actor->scale;
-		P_SetScale(bubble, actor->scale);
-	}
+		P_SetScale(bubble, actor->scale, true);
 }
 
 // Function: A_BubbleRise
@@ -5072,8 +5057,7 @@ void A_ThrownRing(mobj_t *actor)
 			P_SetTarget(&ring->target, actor);
 			ring->color = actor->color; //copy color
 			*/
-			ring->destscale = actor->scale;
-			P_SetScale(ring, actor->scale);
+			P_SetScale(ring, actor->scale, true);
 		}
 	}
 
@@ -5652,8 +5636,7 @@ void A_JetbThink(mobj_t *actor)
 			if (!P_MobjWasRemoved(bomb))
 			{
 				P_SetTarget(&bomb->target, actor);
-				bomb->destscale = actor->scale;
-				P_SetScale(bomb, actor->scale);
+				P_SetScale(bomb, actor->scale, true);
 				actor->reactiontime = TICRATE; // one second
 				S_StartSound(actor, actor->info->attacksound);
 			}
@@ -5833,7 +5816,8 @@ void A_MinusDigging(mobj_t *actor)
 		P_SetMobjState(par, actor->info->raisestate);
 		if (P_MobjWasRemoved(par))
 			return;
-		P_SetScale(par, actor->scale*2);
+		P_SetScale(par, actor->scale*2, false);
+		par->old_scale = par->scale;
 		if (actor->eflags & MFE_VERTICALFLIP)
 			par->eflags |= MFE_VERTICALFLIP;
 		return;
@@ -5905,7 +5889,8 @@ void A_MinusPopup(mobj_t *actor)
 			continue;
 		P_Thrust(rock, ani*i, FRACUNIT);
 		P_SetObjectMomZ(rock, 3*FRACUNIT, false);
-		P_SetScale(rock, rock->scale/3);
+		P_SetScale(rock, rock->scale/3, false);
+		rock->old_scale = rock->scale;
 	}
 	P_RadiusAttack(actor, actor, 2*actor->radius, 0, true);
 	if (actor->tracer)
@@ -5944,7 +5929,8 @@ void A_MinusCheck(mobj_t *actor)
 					continue;
 				P_Thrust(rock, ani*i, FRACUNIT);
 				P_SetObjectMomZ(rock, 3*FRACUNIT, false);
-				P_SetScale(rock, rock->scale/3);
+				P_SetScale(rock, rock->scale/3, false);
+				rock->old_scale = rock->scale;
 			}
 		}
 	}
@@ -8273,8 +8259,9 @@ void A_EggShield(mobj_t *actor)
 	else
 		actor->z = actor->target->z;
 
+	P_SetScale(actor, actor->target->scale, false);
 	actor->destscale = actor->target->destscale;
-	P_SetScale(actor, actor->target->scale);
+	actor->old_scale = actor->target->old_scale;
 
 	actor->floorz = actor->target->floorz;
 	actor->ceilingz = actor->target->ceilingz;
@@ -8555,7 +8542,7 @@ void A_Boss3ShockThink(mobj_t *actor)
 				P_SetTarget(&snew->target, actor->target);
 				snew->fuse = actor->fuse;
 
-				P_SetScale(snew, actor->scale);
+				P_SetScale(snew, actor->scale, true);
 				snew->destscale = actor->destscale;
 				snew->scalespeed = actor->scalespeed;
 
@@ -8757,8 +8744,7 @@ void A_SmokeTrailer(mobj_t *actor)
 	if (P_MobjWasRemoved(th))
 		return;
 	P_SetObjectMomZ(th, FRACUNIT, false);
-	th->destscale = actor->scale;
-	P_SetScale(th, actor->scale);
+	P_SetScale(th, actor->scale, true);
 	th->tics -= P_RandomByte() & 3;
 	if (th->tics < 1)
 		th->tics = 1;
@@ -9522,8 +9508,7 @@ void A_BossJetFume(mobj_t *actor)
 		if (!P_MobjWasRemoved(filler))
 		{
 			P_SetTarget(&filler->target, actor);
-			filler->destscale = actor->scale;
-			P_SetScale(filler, filler->destscale);
+			P_SetScale(filler, actor->scale, true);
 			if (actor->eflags & MFE_VERTICALFLIP)
 				filler->flags2 |= MF2_OBJECTFLIP;
 			filler->fuse = 56;
@@ -9540,8 +9525,7 @@ void A_BossJetFume(mobj_t *actor)
 		if (!P_MobjWasRemoved(filler))
 		{
 			P_SetTarget(&filler->target, actor);
-			filler->destscale = actor->scale;
-			P_SetScale(filler, filler->destscale);
+			P_SetScale(filler, actor->scale, true);
 			if (actor->eflags & MFE_VERTICALFLIP)
 				filler->flags2 |= MF2_OBJECTFLIP;
 			filler->fuse = 57;
@@ -9554,7 +9538,7 @@ void A_BossJetFume(mobj_t *actor)
 		{
 			P_SetTarget(&filler->target, actor);
 			filler->destscale = actor->scale;
-			P_SetScale(filler, filler->destscale);
+			P_SetScale(filler, actor->scale, true);
 			if (actor->eflags & MFE_VERTICALFLIP)
 				filler->flags2 |= MF2_OBJECTFLIP;
 			filler->fuse = 58;
@@ -9575,8 +9559,7 @@ void A_BossJetFume(mobj_t *actor)
 
 		filler = P_SpawnMobj(jetx, jety, jetz, MT_PROPELLER);
 		P_SetTarget(&filler->target, actor);
-		filler->destscale = actor->scale;
-		P_SetScale(filler, filler->destscale);
+		P_SetScale(filler, actor->scale, true);
 		if (actor->eflags & MFE_VERTICALFLIP)
 			filler->flags2 |= MF2_OBJECTFLIP;
 		filler->angle = actor->angle - ANGLE_180;
@@ -9591,7 +9574,7 @@ void A_BossJetFume(mobj_t *actor)
 			P_SetTarget(&filler->target, actor);
 			filler->fuse = 59;
 			P_SetTarget(&actor->tracer, filler);
-			P_SetScale(filler, (filler->destscale = actor->scale/3));
+			P_SetScale(filler, actor->scale/3, true);
 			if (actor->eflags & MFE_VERTICALFLIP)
 				filler->flags2 |= MF2_OBJECTFLIP;
 			filler->color = SKINCOLOR_ICY;
@@ -9610,8 +9593,7 @@ void A_BossJetFume(mobj_t *actor)
 		{
 			P_SetTarget(&filler->target, actor);
 			// Boss 4 already uses its tracer for other things
-			filler->destscale = actor->scale;
-			P_SetScale(filler, filler->destscale);
+			P_SetScale(filler, actor->scale, true);
 			if (actor->eflags & MFE_VERTICALFLIP)
 				filler->flags2 |= MF2_OBJECTFLIP;
 		}
@@ -9633,8 +9615,7 @@ void A_BossJetFume(mobj_t *actor)
 			{
 				filler->movefactor = movefactor;
 				P_SetTarget(&filler->target, actor);
-				filler->destscale = actor->scale;
-				P_SetScale(filler, filler->destscale);
+				P_SetScale(filler, actor->scale, true);
 				if (actor->eflags & MFE_VERTICALFLIP)
 					filler->flags2 |= MF2_OBJECTFLIP;
 			}
@@ -9880,12 +9861,13 @@ void A_ToggleFlameJet(mobj_t* actor)
 // var1 = Angle adjustment (aka orbit speed)
 // var2:
 //        Bits 1-10: height offset, max 1023
-//        Bits 11-16: X radius factor (max 63, default 20)
+//        Bits 11-16: X radius factor (max 63, default 32)
 //        Bit 17: set if object is Nightopian Helper
 //        Bit 18: set to define X/Y/Z rotation factor
-//        Bits 19-20: Unused
+//        Bit 19: set to not sync scale to player
+//        Bit 20: Unused
 //        Bits 21-26: Y radius factor (max 63, default 32)
-//        Bits 27-32: Z radius factor (max 63, default 32)
+//        Bits 27-32: Z radius factor (max 63, default 20)
 //
 // If MF_GRENADEBOUNCE is flagged on mobj, use actor->threshold to define X/Y/Z radius factor, max 1023 each:
 //        Bits 1-10: X factor
@@ -9926,6 +9908,12 @@ void A_OrbitNights(mobj_t* actor)
 	}
 	else
 	{
+		if (!donotrescale)
+		{
+			P_SetScale(actor, actor->target->scale, true);
+			actor->old_scale = actor->target->old_scale;
+		}
+
 		actor->extravalue1 += var1;
 		P_UnsetThingPosition(actor);
 		{
@@ -9953,9 +9941,6 @@ void A_OrbitNights(mobj_t* actor)
 			else
 				actor->flags2 &= ~MF2_DONTDRAW;
 		}
-
-		if (!donotrescale && actor->destscale != actor->target->destscale)
-			actor->destscale = actor->target->destscale;
 	}
 }
 
@@ -11204,9 +11189,10 @@ void A_SetScale(mobj_t *actor)
 		return;
 	}
 
-	target->destscale = locvar1; // destination scale
-	if (!(locvar2 & 65535))
-		P_SetScale(target, locvar1); // this instantly changes current scale to var1 if used, if not destscale will alter scale to var1 anyway
+	if ((locvar2 & 65535) == 0)
+		P_SetScale(target, locvar1, true); // this instantly changes current scale to var1 if used, if not destscale will alter scale to var1 over time
+	else
+		target->destscale = locvar1; // destination scale
 }
 
 // Function: A_RemoteDamage
@@ -11350,8 +11336,7 @@ void A_TrapShot(mobj_t *actor)
 	if (actor->eflags & MFE_VERTICALFLIP)
 		missile->flags2 |= MF2_OBJECTFLIP;
 
-	missile->destscale = actor->scale;
-	P_SetScale(missile, actor->scale);
+	P_SetScale(missile, actor->scale, true);
 
 	if (missile->info->seesound)
 		S_StartSound(missile, missile->info->seesound);
@@ -11425,8 +11410,7 @@ void A_VileTarget(mobj_t *actor)
 				fog->eflags |= MFE_VERTICALFLIP;
 				fog->flags2 |= MF2_OBJECTFLIP;
 			}
-			fog->destscale = actor->target->scale;
-			P_SetScale(fog, fog->destscale);
+			P_SetScale(fog, actor->target->scale, true);
 
 			P_SetTarget(&actor->tracer, fog);
 			P_SetTarget(&fog->target, actor);
@@ -11459,8 +11443,7 @@ void A_VileTarget(mobj_t *actor)
 					fog->eflags |= MFE_VERTICALFLIP;
 					fog->flags2 |= MF2_OBJECTFLIP;
 				}
-				fog->destscale = players[i].mo->scale;
-				P_SetScale(fog, fog->destscale);
+				P_SetScale(fog, players[i].mo->scale, true);
 
 				if (players[i].mo == actor->target) // We only care to track the fog targeting who we REALLY hate right now
 					P_SetTarget(&actor->tracer, fog);
@@ -11617,8 +11600,8 @@ void A_VileFire(mobj_t *actor)
 		return;
 
 	// keep to same scale and gravity as tracer ALWAYS
-	actor->destscale = dest->scale;
-	P_SetScale(actor, actor->destscale);
+	P_SetScale(actor, dest->scale, true);
+	actor->old_scale = dest->old_scale;
 	if (dest->eflags & MFE_VERTICALFLIP)
 	{
 		actor->eflags |= MFE_VERTICALFLIP;
@@ -12804,8 +12787,7 @@ void A_LightBeamReset(mobj_t *actor)
 	if (LUA_CallAction(A_LIGHTBEAMRESET, actor))
 		return;
 
-	actor->destscale = FRACUNIT + P_SignedRandom()*FRACUNIT/256;
-	P_SetScale(actor, actor->destscale);
+	P_SetScale(actor, FRACUNIT + P_SignedRandom()*FRACUNIT/256, true);
 
 	if (!actor->spawnpoint)
 		return; // this can't work properly welp
@@ -13392,7 +13374,7 @@ void A_DoNPCSkid(mobj_t *actor)
 		{
 			particle->tics = 10;
 
-			P_SetScale(particle, 2*actor->scale/3);
+			P_SetScale(particle, 2*actor->scale/3, true);
 			particle->destscale = actor->scale;
 			P_SetObjectMomZ(particle, FRACUNIT, false);
 		}
@@ -13815,7 +13797,7 @@ static void P_DustRing(mobjtype_t mobjtype, UINT32 div, fixed_t x, fixed_t y, fi
 			continue;
 
 		dust->angle = ang*i + ANGLE_90;
-		P_SetScale(dust, FixedMul(initscale, scale));
+		P_SetScale(dust, FixedMul(initscale, scale), true);
 		dust->destscale = FixedMul(4*FRACUNIT + P_RandomFixed(), scale);
 		dust->scalespeed = scale/24;
 		P_Thrust(dust, ang*i, speed + FixedMul(P_RandomFixed(), scale));
@@ -13956,7 +13938,8 @@ void A_DustDevilThink(mobj_t *actor)
 	while (layer && !P_MobjWasRemoved(layer)) {
 		angle_t fa = layer->angle >> ANGLETOFINESHIFT;
 		P_MoveOrigin(layer, layer->x + 5 * FixedMul(scale, FINECOSINE(fa)), layer->y + 5 * FixedMul(scale, FINESINE(fa)), layer->z);
-		layer->scale = scale;
+		P_SetScale(layer, scale, true);
+		layer->old_scale = actor->old_scale;
 		layer->angle += ANG10 / 2;
 		layer->momx = actor->momx;
 		layer->momy = actor->momy;
@@ -13970,8 +13953,7 @@ void A_DustDevilThink(mobj_t *actor)
 		if (!P_MobjWasRemoved(dust))
 		{
 			P_SetMobjState(dust, dust->info->spawnstate + P_RandomRange(0, 2));
-			dust->destscale = scale * 3;
-			P_SetScale(dust, dust->destscale);
+			P_SetScale(dust, 3 * scale, true);
 		}
 	}
 
@@ -13990,6 +13972,7 @@ void A_DustDevilThink(mobj_t *actor)
 			layer = P_SpawnMobj(px, py, pz, MT_DUSTLAYER);
 			if (P_MobjWasRemoved(layer))
 				continue;
+			P_SetScale(layer, scale, true);
 			layer->momz = 5 * scale;
 			layer->angle = ANGLE_90 + ANGLE_90*i;
 			layer->extravalue1 = TICRATE * 3;
@@ -14610,8 +14593,7 @@ void A_MinecartSparkThink(mobj_t *actor)
 			continue;
 		trail->tics = 2;
 		trail->sprite = actor->sprite;
-		P_SetScale(trail, trail->scale/4);
-		trail->destscale = trail->scale;
+		P_SetScale(trail, trail->scale/4, true);
 	}
 }
 
@@ -14734,8 +14716,16 @@ void A_FireShrink(mobj_t *actor)
 	if (LUA_CallAction(A_FIRESHRINK, actor))
 		return;
 
-	actor->destscale = locvar1;
-	actor->scalespeed = FRACUNIT/locvar2;
+	if (locvar2 == 0)
+	{
+		P_SetScale(actor, locvar1, true);
+		actor->scalespeed = FRACUNIT/12; // Reset scalespeed to the default
+	}
+	else
+	{
+		actor->destscale = locvar1;
+		actor->scalespeed = FRACUNIT/locvar2;
+	}
 }
 
 // Function: A_SpawnPterabytes
diff --git a/src/p_inter.c b/src/p_inter.c
index 8584e168a5b2084f3a43443b4fbeca67a594bbab..5534f7865c23afc2d70ceae209e6ea432f6223f8 100644
--- a/src/p_inter.c
+++ b/src/p_inter.c
@@ -2774,8 +2774,7 @@ void P_KillMobj(mobj_t *target, mobj_t *inflictor, mobj_t *source, UINT8 damaget
 				mo = P_SpawnMobj(target->x, target->y, target->z, MT_EXTRALARGEBUBBLE);
 			if (P_MobjWasRemoved(mo))
 				break;
-			mo->destscale = target->scale;
-			P_SetScale(mo, mo->destscale);
+			P_SetScale(mo, target->scale, true);
 			P_SetMobjState(mo, mo->info->raisestate);
 			break;
 
@@ -3966,8 +3965,7 @@ void P_PlayerRingBurst(player_t *player, INT32 num_rings)
 		mo->fuse = 8*TICRATE;
 		P_SetTarget(&mo->target, player->mo);
 
-		mo->destscale = player->mo->scale;
-		P_SetScale(mo, player->mo->scale);
+		P_SetScale(mo, player->mo->scale, true);
 
 		// Angle offset by player angle, then slightly offset by amount of rings
 		fa = ((i*FINEANGLES/16) + va - ((num_rings-1)*FINEANGLES/32)) & FINEMASK;
@@ -4103,8 +4101,7 @@ void P_PlayerWeaponPanelBurst(player_t *player)
 		mo->flags &= ~(MF_NOGRAVITY|MF_NOCLIPHEIGHT);
 		P_SetTarget(&mo->target, player->mo);
 		mo->fuse = 12*TICRATE;
-		mo->destscale = player->mo->scale;
-		P_SetScale(mo, player->mo->scale);
+		P_SetScale(mo, player->mo->scale, true);
 
 		// Angle offset by player angle
 		fa = ((i*FINEANGLES/16) + (player->mo->angle>>ANGLETOFINESHIFT)) & FINEMASK;
@@ -4192,8 +4189,7 @@ void P_PlayerWeaponAmmoBurst(player_t *player)
 		player->powers[power] = 0;
 		mo->fuse = 12*TICRATE;
 
-		mo->destscale = player->mo->scale;
-		P_SetScale(mo, player->mo->scale);
+		P_SetScale(mo, player->mo->scale, true);
 
 		// Angle offset by player angle
 		fa = ((i*FINEANGLES/16) + (player->mo->angle>>ANGLETOFINESHIFT)) & FINEMASK;
@@ -4240,8 +4236,7 @@ void P_PlayerWeaponPanelOrAmmoBurst(player_t *player)
 			mo->flags &= ~(MF_NOGRAVITY|MF_NOCLIPHEIGHT); \
 			P_SetTarget(&mo->target, player->mo); \
 			mo->fuse = 12*TICRATE; \
-			mo->destscale = player->mo->scale; \
-			P_SetScale(mo, player->mo->scale); \
+			P_SetScale(mo, player->mo->scale, true); \
 			mo->momx = FixedMul(FINECOSINE(fa),ns); \
 			if (!(twodlevel || (player->mo->flags2 & MF2_TWOD))) \
 				mo->momy = FixedMul(FINESINE(fa),ns); \
@@ -4263,8 +4258,7 @@ void P_PlayerWeaponPanelOrAmmoBurst(player_t *player)
 			mo->flags &= ~(MF_NOGRAVITY|MF_NOCLIPHEIGHT); \
 			P_SetTarget(&mo->target, player->mo); \
 			mo->fuse = 12*TICRATE; \
-			mo->destscale = player->mo->scale; \
-			P_SetScale(mo, player->mo->scale); \
+			P_SetScale(mo, player->mo->scale, true); \
 			mo->momx = FixedMul(FINECOSINE(fa),ns); \
 			if (!(twodlevel || (player->mo->flags2 & MF2_TWOD))) \
 				mo->momy = FixedMul(FINESINE(fa),ns); \
diff --git a/src/p_local.h b/src/p_local.h
index 9644e7a244d434bf6f44d26d4a90e9cbf2fea656..0bcd6da1dd7f42b5e56650d8a2cc70fd775f1e22 100644
--- a/src/p_local.h
+++ b/src/p_local.h
@@ -283,7 +283,6 @@ void P_PlayJingleMusic(player_t *player, const char *musname, UINT16 musflags, b
 extern mapthing_t *itemrespawnque[ITEMQUESIZE];
 extern tic_t itemrespawntime[ITEMQUESIZE];
 extern size_t iquehead, iquetail;
-extern consvar_t cv_gravity, cv_movebob;
 
 mobjtype_t P_GetMobjtype(UINT16 mthingtype);
 
@@ -552,6 +551,7 @@ void P_ThrustEvenIn2D(mobj_t *mo, angle_t angle, fixed_t move);
 void P_VectorInstaThrust(fixed_t xa, fixed_t xb, fixed_t xc, fixed_t ya, fixed_t yb, fixed_t yc,
             fixed_t za, fixed_t zb, fixed_t zc, fixed_t momentum, mobj_t *mo);
 void P_DoSuperTransformation(player_t *player, boolean giverings);
+void P_DoSuperDetransformation(player_t *player);
 void P_ExplodeMissile(mobj_t *mo);
 void P_CheckGravity(mobj_t *mo, boolean affect);
 void P_SetPitchRollFromSlope(mobj_t *mo, pslope_t *slope);
diff --git a/src/p_mobj.c b/src/p_mobj.c
index 15da6e6165880660d9012b5a832463731cf6431f..31dca8df721c31d5930dc9913906da022a367e97 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -917,7 +917,7 @@ void P_ExplodeMissile(mobj_t *mo)
 		explodemo = P_SpawnMobj(mo->x, mo->y, mo->z, MT_EXPLODE);
 		if (!P_MobjWasRemoved(explodemo))
 		{
-			P_SetScale(explodemo, mo->scale);
+			P_SetScale(explodemo, mo->scale, true);
 			explodemo->destscale = mo->destscale;
 			explodemo->momx += (P_RandomByte() % 32) * FixedMul(FRACUNIT/8, explodemo->scale);
 			explodemo->momy += (P_RandomByte() % 32) * FixedMul(FRACUNIT/8, explodemo->scale);
@@ -926,7 +926,7 @@ void P_ExplodeMissile(mobj_t *mo)
 		explodemo = P_SpawnMobj(mo->x, mo->y, mo->z, MT_EXPLODE);
 		if (!P_MobjWasRemoved(explodemo))
 		{
-			P_SetScale(explodemo, mo->scale);
+			P_SetScale(explodemo, mo->scale, true);
 			explodemo->destscale = mo->destscale;
 			explodemo->momx += (P_RandomByte() % 64) * FixedMul(FRACUNIT/8, explodemo->scale);
 			explodemo->momy -= (P_RandomByte() % 64) * FixedMul(FRACUNIT/8, explodemo->scale);
@@ -935,7 +935,7 @@ void P_ExplodeMissile(mobj_t *mo)
 		explodemo = P_SpawnMobj(mo->x, mo->y, mo->z, MT_EXPLODE);
 		if (!P_MobjWasRemoved(explodemo))
 		{
-			P_SetScale(explodemo, mo->scale);
+			P_SetScale(explodemo, mo->scale, true);
 			explodemo->destscale = mo->destscale;
 			explodemo->momx -= (P_RandomByte() % 128) * FixedMul(FRACUNIT/8, explodemo->scale);
 			explodemo->momy += (P_RandomByte() % 128) * FixedMul(FRACUNIT/8, explodemo->scale);
@@ -944,7 +944,7 @@ void P_ExplodeMissile(mobj_t *mo)
 		explodemo = P_SpawnMobj(mo->x, mo->y, mo->z, MT_EXPLODE);
 		if (!P_MobjWasRemoved(explodemo))
 		{
-			P_SetScale(explodemo, mo->scale);
+			P_SetScale(explodemo, mo->scale, true);
 			explodemo->destscale = mo->destscale;
 			explodemo->momx -= (P_RandomByte() % 96) * FixedMul(FRACUNIT/8, explodemo->scale);
 			explodemo->momy -= (P_RandomByte() % 96) * FixedMul(FRACUNIT/8, explodemo->scale);
@@ -3113,8 +3113,7 @@ boolean P_SceneryZMovement(mobj_t *mo)
 						continue;
 					explodemo->momx += ((prandom & 0x0F) << (FRACBITS-2)) * (i & 2 ? -1 : 1);
 					explodemo->momy += ((prandom & 0xF0) << (FRACBITS-6)) * (i & 1 ? -1 : 1);
-					explodemo->destscale = mo->scale;
-					P_SetScale(explodemo, mo->scale);
+					P_SetScale(explodemo, mo->scale, true);
 				}
 
 				if (mo->threshold != 42) // Don't make pop sound if threshold is 42.
@@ -3140,7 +3139,7 @@ boolean P_SceneryZMovement(mobj_t *mo)
 				mobj_t *flower = P_SpawnMobjFromMobj(mo, 0, 0, 0, flowertype);
 				if (flower)
 				{
-					P_SetScale(flower, mo->scale/16);
+					P_SetScale(flower, mo->scale/16, true);
 					flower->destscale = mo->scale;
 					flower->scalespeed = mo->scale/8;
 				}
@@ -3380,10 +3379,7 @@ void P_MobjCheckWater(mobj_t *mobj)
 				else
 					splish = P_SpawnMobj(mobj->x, mobj->y, mobj->watertop, splishtype);
 				if (!P_MobjWasRemoved(splish))
-				{
-					splish->destscale = mobj->scale;
-					P_SetScale(splish, mobj->scale);
-				}
+					P_SetScale(splish, mobj->scale, true);
 			}
 
 			// skipping stone!
@@ -3422,10 +3418,7 @@ void P_MobjCheckWater(mobj_t *mobj)
 				else
 					splish = P_SpawnMobj(mobj->x, mobj->y, mobj->watertop, splishtype);
 				if (!P_MobjWasRemoved(splish))
-				{
-					splish->destscale = mobj->scale;
-					P_SetScale(splish, mobj->scale);
-				}
+					P_SetScale(splish, mobj->scale, true);
 			}
 		}
 
@@ -3476,8 +3469,7 @@ void P_MobjCheckWater(mobj_t *mobj)
 					else
 						bubble->momz = 0;
 
-					bubble->destscale = mobj->scale;
-					P_SetScale(bubble, mobj->scale);
+					P_SetScale(bubble, mobj->scale, true);
 				}
 			}
 		}
@@ -5147,8 +5139,7 @@ static void P_Boss7Thinker(mobj_t *mobj)
 		mobj_t *smoke = P_SpawnMobj(mobj->x, mobj->y, mobj->z + mobj->height, MT_SMOKE);
 		if (!P_MobjWasRemoved(smoke))
 		{
-			smoke->destscale = mobj->destscale;
-			P_SetScale(smoke, smoke->destscale);
+			P_SetScale(smoke, mobj->destscale, true);
 			smoke->momz = FixedMul(FRACUNIT, smoke->scale);
 		}
 	}
@@ -5599,7 +5590,7 @@ static void P_Boss9Thinker(mobj_t *mobj)
 				if (mobj->hprev)
 				{
 					mobj->hprev->destscale = FRACUNIT + (2*TICRATE - mobj->fuse)*(FRACUNIT/2)/TICRATE + FixedMul(FINECOSINE(angle>>ANGLETOFINESHIFT),FRACUNIT/2);
-					P_SetScale(mobj->hprev, mobj->hprev->destscale);
+					P_SetScale(mobj->hprev, mobj->hprev->destscale, false);
 
 					P_MoveOrigin(mobj->hprev, mobj->x, mobj->y, mobj->z + mobj->height/2 - mobj->hprev->height/2);
 					mobj->hprev->momx = mobj->momx;
@@ -5625,8 +5616,8 @@ static void P_Boss9Thinker(mobj_t *mobj)
 						{
 							S_StopSound(missile);
 							if (mobj->extravalue1 >= 2)
-								P_SetScale(missile, FRACUNIT>>1);
-							missile->destscale = missile->scale>>1;
+								P_SetScale(missile, FRACUNIT/2, true);
+							missile->destscale = missile->scale/2;
 							missile->fuse = TICRATE/2;
 							missile->scalespeed = abs(missile->destscale - missile->scale)/missile->fuse;
 							missile->z -= missile->height/2;
@@ -5649,7 +5640,7 @@ static void P_Boss9Thinker(mobj_t *mobj)
 									spread->angle = missile->angle+(ANGLE_11hh/2)*(i-2);
 									P_InstaThrust(spread,spread->angle,-spread->info->speed);
 									spread->momz = missile->momz;
-									P_SetScale(spread, missile->scale);
+									P_SetScale(spread, missile->scale, true);
 									spread->destscale = missile->destscale;
 									spread->scalespeed = missile->scalespeed;
 									spread->fuse = missile->fuse;
@@ -5673,7 +5664,7 @@ static void P_Boss9Thinker(mobj_t *mobj)
 										spread = P_SpawnMissile(mobj, mobj->target, missile->type);
 										if (P_MobjWasRemoved(spread))
 											continue;
-										P_SetScale(spread, missile->scale);
+										P_SetScale(spread, missile->scale, true);
 										spread->destscale = missile->destscale;
 										spread->fuse = missile->fuse;
 										spread->z -= spread->height/2;
@@ -5730,12 +5721,12 @@ static void P_Boss9Thinker(mobj_t *mobj)
 					{
 						if (mobj->health > mobj->info->damage)
 						{
-							P_SetScale(missile, FRACUNIT/3);
+							P_SetScale(missile, FRACUNIT/3, true);
 							missile->color = SKINCOLOR_MAGENTA; // sonic OVA/4 purple power
 						}
 						else
 						{
-							P_SetScale(missile, FRACUNIT/5);
+							P_SetScale(missile, FRACUNIT/5, true);
 							missile->color = SKINCOLOR_SUNSET; // sonic cd electric power
 						}
 						missile->destscale = missile->scale*2;
@@ -5798,10 +5789,7 @@ static void P_Boss9Thinker(mobj_t *mobj)
 					if (!P_MobjWasRemoved(missile))
 					{
 						if (mobj->extravalue1 >= 2)
-						{
-							missile->destscale = FRACUNIT>>1;
-							P_SetScale(missile, missile->destscale);
-						}
+							P_SetScale(missile, FRACUNIT/2, true);
 						missile->fuse = 3*TICRATE;
 						missile->z -= missile->height/2;
 
@@ -5820,8 +5808,7 @@ static void P_Boss9Thinker(mobj_t *mobj)
 								spread->angle = missile->angle+(ANGLE_11hh/2)*(i-2);
 								P_InstaThrust(spread,spread->angle,spread->info->speed);
 								spread->momz = missile->momz;
-								spread->destscale = FRACUNIT>>1;
-								P_SetScale(spread, spread->destscale);
+								P_SetScale(spread, FRACUNIT/2, true);
 								spread->fuse = missile->fuse;
 							}
 							P_InstaThrust(missile,missile->angle,missile->info->speed);
@@ -5838,8 +5825,7 @@ static void P_Boss9Thinker(mobj_t *mobj)
 									spread = P_SpawnMissile(mobj, mobj->target, missile->type);
 									if (!P_MobjWasRemoved(spread))
 									{
-										spread->destscale = FRACUNIT>>1;
-										P_SetScale(spread, spread->destscale);
+										P_SetScale(spread, FRACUNIT/2, true);
 										spread->fuse = missile->fuse;
 										spread->z -= spread->height/2;
 									}
@@ -6103,8 +6089,12 @@ static void P_Boss9Thinker(mobj_t *mobj)
 					whoosh->flags |= MF_NOCLIPHEIGHT;
 #endif
 
-					P_SetMobjState(mobj->tracer, S_JETFUMEFLASH);
-					P_SetScale(mobj->tracer, mobj->scale << 1);
+					if (!P_MobjWasRemoved(mobj->tracer))
+					{
+						P_SetMobjState(mobj->tracer, S_JETFUMEFLASH);
+						P_SetScale(mobj->tracer, 2*mobj->scale, false);
+						mobj->tracer->old_scale = mobj->tracer->scale;
+					}
 				}
 				else
 				{
@@ -6439,28 +6429,24 @@ void P_SpawnParaloop(fixed_t x, fixed_t y, fixed_t z, fixed_t radius, INT32 numb
 //
 // Sets the sprite scaling
 //
-void P_SetScale(mobj_t *mobj, fixed_t newscale)
+void P_SetScale(mobj_t *mobj, fixed_t newscale, boolean instant)
 {
-	player_t *player;
-	fixed_t oldscale;
-
 	if (!mobj)
 		return;
 
-	oldscale = mobj->scale; //keep for adjusting stuff below
-
-	mobj->scale = newscale;
-
-	mobj->radius = FixedMul(FixedDiv(mobj->radius, oldscale), newscale);
-	mobj->height = FixedMul(FixedDiv(mobj->height, oldscale), newscale);
-
-	player = mobj->player;
-
-	if (player)
+	if (mobj->player)
 	{
 		G_GhostAddScale(newscale);
-		player->viewheight = FixedMul(FixedDiv(player->viewheight, oldscale), newscale); // Nonono don't calculate viewheight elsewhere, this is the best place for it!
+		// Nonono don't calculate viewheight elsewhere, this is the best place for it!
+		mobj->player->viewheight = FixedMul(FixedDiv(mobj->player->viewheight, mobj->scale), newscale);
 	}
+
+	mobj->radius = FixedMul(FixedDiv(mobj->radius, mobj->scale), newscale);
+	mobj->height = FixedMul(FixedDiv(mobj->height, mobj->scale), newscale);
+
+	mobj->scale = newscale;
+	if (instant)
+		mobj->destscale = mobj->old_scale = newscale;
 }
 
 void P_Attract(mobj_t *source, mobj_t *dest, boolean nightsgrab) // Home in on your target
@@ -6815,8 +6801,7 @@ static boolean P_ShieldLook(mobj_t *thing, shieldtype_t shield)
 	thing->flags |= MF_NOCLIPHEIGHT;
 	thing->eflags = (thing->eflags & ~MFE_VERTICALFLIP)|(thing->target->eflags & MFE_VERTICALFLIP);
 
-	P_SetScale(thing, FixedMul(thing->target->scale, thing->target->player->shieldscale));
-	thing->destscale = thing->scale;
+	P_SetScale(thing, FixedMul(thing->target->scale, thing->target->player->shieldscale), true);
 	thing->old_scale = FixedMul(thing->target->old_scale, thing->target->player->shieldscale);
 
 #define NewMH(mobj)   mobj->height // Ugly mobj-height and player-height defines, for the sake of prettier code
@@ -7164,11 +7149,11 @@ static void P_MobjScaleThink(mobj_t *mobj)
 		correctionType = 2; // Correct Z position by moving down
 
 	if (abs(mobj->scale - mobj->destscale) < mobj->scalespeed)
-		P_SetScale(mobj, mobj->destscale);
+		P_SetScale(mobj, mobj->destscale, false);
 	else if (mobj->scale < mobj->destscale)
-		P_SetScale(mobj, mobj->scale + mobj->scalespeed);
+		P_SetScale(mobj, mobj->scale + mobj->scalespeed, false);
 	else if (mobj->scale > mobj->destscale)
-		P_SetScale(mobj, mobj->scale - mobj->scalespeed);
+		P_SetScale(mobj, mobj->scale - mobj->scalespeed, false);
 
 	if (correctionType == 1)
 		mobj->z -= (mobj->height - oldheight)/2;
@@ -7261,8 +7246,9 @@ static boolean P_DrownNumbersSceneryThink(mobj_t *mobj)
 	mobj->x = mobj->target->x;
 	mobj->y = mobj->target->y;
 
+	P_SetScale(mobj, mobj->target->scale, false);
 	mobj->destscale = mobj->target->destscale;
-	P_SetScale(mobj, mobj->target->scale);
+	mobj->old_scale = mobj->target->old_scale;
 
 	if (mobj->target->eflags & MFE_VERTICALFLIP)
 	{
@@ -7423,10 +7409,10 @@ static boolean P_ParticleGenSceneryThink(mobj_t *mobj)
 				(mobjtype_t)mobj->threshold);
 			if (!P_MobjWasRemoved(spawn))
 			{
-				P_SetScale(spawn, mobj->scale);
-				spawn->momz = FixedMul(mobj->movefactor, spawn->scale);
+				P_SetScale(spawn, mobj->scale, true);
 				spawn->destscale = spawn->scale/100;
 				spawn->scalespeed = spawn->scale/mobj->health;
+				spawn->momz = FixedMul(mobj->movefactor, spawn->scale);
 				spawn->tics = (tic_t)mobj->health;
 				spawn->flags2 |= (mobj->flags2 & MF2_OBJECTFLIP);
 				spawn->angle += P_RandomKey(36)*ANG10; // irrelevant for default objects but might make sense for some custom ones
@@ -7646,8 +7632,7 @@ static void P_RosySceneryThink(mobj_t *mobj)
 			mobj_t *cdlhrt = P_SpawnMobjFromMobj(mobj, 0, 0, mobj->height, MT_CDLHRT);
 			if (!P_MobjWasRemoved(cdlhrt))
 			{
-				cdlhrt->destscale = (5*mobj->scale) >> 4;
-				P_SetScale(cdlhrt, cdlhrt->destscale);
+				P_SetScale(cdlhrt, (5*mobj->scale) >> 4, true);
 				cdlhrt->fuse = (5*TICRATE) >> 1;
 				cdlhrt->momz = mobj->scale;
 				P_SetTarget(&cdlhrt->target, mobj);
@@ -7901,8 +7886,9 @@ static void P_MobjSceneryThink(mobj_t *mobj)
 
 		mobj->eflags |= (mobj->target->eflags & MFE_VERTICALFLIP);
 
+		P_SetScale(mobj, mobj->target->scale, false);
 		mobj->destscale = mobj->target->destscale;
-		P_SetScale(mobj, mobj->target->scale);
+		mobj->old_scale = mobj->target->old_scale;
 
 		if (!(mobj->eflags & MFE_VERTICALFLIP))
 			mobj->z = mobj->target->z + mobj->target->height + FixedMul((16 + abs((signed)(leveltime % TICRATE) - TICRATE/2))*FRACUNIT, mobj->target->scale);
@@ -8052,7 +8038,9 @@ static void P_MobjSceneryThink(mobj_t *mobj)
 		}
 		P_SetThingPosition(mobj);
 
-		P_SetScale(mobj, mobj->target->scale);
+		P_SetScale(mobj, mobj->target->scale, false);
+		mobj->destscale = mobj->target->destscale;
+		mobj->old_scale = mobj->target->old_scale;
 	}
 	break;
 	case MT_TUTORIALFLOWER:
@@ -8494,8 +8482,8 @@ static void P_ArrowThink(mobj_t *mobj)
 			if (!P_MobjWasRemoved(dust))
 			{
 				dust->tics = 18;
-				dust->scalespeed = 4096;
 				dust->destscale = FRACUNIT/32;
+				dust->scalespeed = FRACUNIT/16;
 			}
 		}
 	}
@@ -9906,9 +9894,9 @@ static boolean P_MobjRegularThink(mobj_t *mobj)
 			traindust->frame = P_RandomRange(0, 8)|FF_TRANS90;
 			traindust->angle = mobj->angle;
 			traindust->tics = TICRATE*4;
+			P_SetScale(traindust, FRACUNIT*6, true);
 			traindust->destscale = FRACUNIT*64;
 			traindust->scalespeed = FRACUNIT/24;
-			P_SetScale(traindust, FRACUNIT*6);
 		}
 		break;
 	case MT_TRAINSTEAMSPAWNER:
@@ -9919,9 +9907,9 @@ static boolean P_MobjRegularThink(mobj_t *mobj)
 			P_SetMobjState(steam, S_TRAINSTEAM);
 			steam->frame = P_RandomRange(0, 1)|FF_TRANS90;
 			steam->tics = TICRATE*8;
+			P_SetScale(steam, FRACUNIT*16, true);
 			steam->destscale = FRACUNIT*64;
 			steam->scalespeed = FRACUNIT/8;
-			P_SetScale(steam, FRACUNIT*16);
 			steam->momx = P_SignedRandom()*32;
 			steam->momy = -64*FRACUNIT;
 			steam->momz = 2*FRACUNIT;
@@ -10929,7 +10917,7 @@ mobj_t *P_SpawnMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type, ...)
 			if (titlemapinaction) mobj->flags &= ~MF_NOTHINK;
 			break;
 		case MT_LOCKONINF:
-			P_SetScale(mobj, (mobj->destscale = 3*mobj->scale));
+			P_SetScale(mobj, 3*mobj->scale, true);
 			break;
 		case MT_CYBRAKDEMON_NAPALM_BOMB_LARGE:
 			mobj->fuse = mobj->info->painchance;
@@ -10940,8 +10928,7 @@ mobj_t *P_SpawnMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type, ...)
 				if (P_MobjWasRemoved(spawn))
 					break;
 
-				spawn->destscale = mobj->scale;
-				P_SetScale(spawn, mobj->scale);
+				P_SetScale(spawn, mobj->scale, true);
 				P_SetTarget(&spawn->target, mobj);
 			}
 			break;
@@ -10958,8 +10945,7 @@ mobj_t *P_SpawnMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type, ...)
 				if (P_MobjWasRemoved(spawn))
 					break;
 
-				spawn->destscale = mobj->scale;
-				P_SetScale(spawn, mobj->scale);
+				P_SetScale(spawn, mobj->scale, true);
 				P_SetTarget(&mobj->tracer, spawn);
 				P_SetTarget(&spawn->target, mobj);
 			}
@@ -10976,8 +10962,7 @@ mobj_t *P_SpawnMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type, ...)
 					if (P_MobjWasRemoved(ball))
 						continue;
 
-					ball->destscale = mobj->scale;
-					P_SetScale(ball, mobj->scale);
+					P_SetScale(ball, mobj->scale, true);
 					P_SetTarget(&ball->target, mobj);
 					ball->movedir = FixedAngle(FixedMul(FixedDiv(i<<FRACBITS, mobj->info->damage<<FRACBITS), 360<<FRACBITS));
 					ball->threshold = ball->radius + mobj->radius + FixedMul(ball->info->painchance, ball->scale);
@@ -10998,8 +10983,7 @@ mobj_t *P_SpawnMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type, ...)
 					if (P_MobjWasRemoved(ball))
 						continue;
 
-					ball->destscale = mobj->scale;
-					P_SetScale(ball, mobj->scale);
+					P_SetScale(ball, mobj->scale, true);
 					P_SetTarget(&lastball->tracer, ball);
 					P_SetTarget(&ball->target, mobj);
 					lastball = ball;
@@ -11858,7 +11842,7 @@ void P_SpawnPlayer(INT32 playernum)
 	p->awayviewtics = 0;
 
 	// set the scale to the mobj's destscale so settings get correctly set.  if we don't, they sometimes don't.
-	P_SetScale(mobj, mobj->destscale);
+	P_SetScale(mobj, mobj->destscale, true);
 	P_FlashPal(p, 0, 0); // Resets
 
 	// Set bounds accurately.
@@ -12032,7 +12016,7 @@ void P_MovePlayerToStarpost(INT32 playernum)
 
 	z = p->starpostz << FRACBITS;
 
-	P_SetScale(mobj, (mobj->destscale = abs(p->starpostscale)));
+	P_SetScale(mobj, abs(p->starpostscale), true);
 
 	if (p->starpostscale < 0)
 	{
@@ -13140,8 +13124,8 @@ static boolean P_SetupSpawnedMapThing(mapthing_t *mthing, mobj_t *mobj, boolean
 			if (P_MobjWasRemoved(corona))
 				break;
 
-			P_SetScale(corona, (corona->destscale = mobj->scale*3));
 			P_SetTarget(&mobj->tracer, corona);
+			P_SetScale(corona, 3*mobj->scale, true);
 		}
 		break;
 	case MT_FLAMEHOLDER:
@@ -13159,8 +13143,8 @@ static boolean P_SetupSpawnedMapThing(mapthing_t *mthing, mobj_t *mobj, boolean
 				if (P_MobjWasRemoved(corona))
 					break;
 
-				P_SetScale(corona, (corona->destscale = flame->scale*3));
 				P_SetTarget(&flame->tracer, corona);
+				P_SetScale(corona, 3*flame->scale, true);
 			}
 		}
 		break;
@@ -13248,10 +13232,8 @@ static boolean P_SetupSpawnedMapThing(mapthing_t *mthing, mobj_t *mobj, boolean
 	case MT_DSZSTALAGMITE:
 	case MT_DSZ2STALAGMITE:
 	case MT_KELP:
-		if (mthing->args[0]) { // make mobj twice as big as normal
-			P_SetScale(mobj, 2*mobj->scale); // not 2*FRACUNIT in case of something like the old ERZ3 mode
-			mobj->destscale = mobj->scale;
-		}
+		if (mthing->args[0]) // make mobj twice as big as normal
+			P_SetScale(mobj, 2*mobj->scale, true); // not 2*FRACUNIT in case of something like the old ERZ3 mode
 		break;
 	case MT_THZTREE:
 	{ // Spawn the branches
@@ -13330,10 +13312,7 @@ static boolean P_SetupSpawnedMapThing(mapthing_t *mthing, mobj_t *mobj, boolean
 	case MT_LAVAFALL:
 		mobj->fuse = 30 + mthing->args[0];
 		if (mthing->args[1])
-		{
-			P_SetScale(mobj, 2*mobj->scale);
-			mobj->destscale = mobj->scale;
-		}
+			P_SetScale(mobj, 2*mobj->scale, true);
 		break;
 	case MT_PYREFLY:
 		//start on fire if args[0], otherwise behave normally
@@ -13396,8 +13375,7 @@ static boolean P_SetupSpawnedMapThing(mapthing_t *mthing, mobj_t *mobj, boolean
 				break;
 			P_SetTarget(&elecmobj->target, mobj);
 			elecmobj->angle = FixedAngle(mthing->angle << FRACBITS);
-			elecmobj->destscale = mobj->scale*2;
-			P_SetScale(elecmobj, elecmobj->destscale);
+			P_SetScale(elecmobj, 2*mobj->scale, true);
 		}
 		break;
 	case MT_STARPOST:
@@ -13455,8 +13433,8 @@ static boolean P_SetupSpawnedMapThing(mapthing_t *mthing, mobj_t *mobj, boolean
 				return false;
 			}
 			base->angle = mobjangle + ANGLE_90;
+			P_SetScale(base, mobj->scale, true);
 			base->destscale = mobj->destscale;
-			P_SetScale(base, mobj->scale);
 			P_SetTarget(&base->target, mobj);
 			P_SetTarget(&mobj->tracer, base);
 		}
@@ -13633,8 +13611,9 @@ static mobj_t *P_SpawnMobjFromMapThing(mapthing_t *mthing, fixed_t x, fixed_t y,
 		return NULL;
 	mobj->spawnpoint = mthing;
 
-	P_SetScale(mobj, FixedMul(mobj->scale, mthing->scale));
+	P_SetScale(mobj, FixedMul(mobj->scale, mthing->scale), false);
 	mobj->destscale = FixedMul(mobj->destscale, mthing->scale);
+	mobj->old_scale = FixedMul(mobj->old_scale, mthing->scale);
 
 	mobj->spritexscale = mthing->spritexscale;
 	mobj->spriteyscale = mthing->spriteyscale;
@@ -14088,8 +14067,7 @@ mobj_t *P_SpawnXYZMissile(mobj_t *source, mobj_t *dest, mobjtype_t type,
 	if (source->eflags & MFE_VERTICALFLIP)
 		th->flags2 |= MF2_OBJECTFLIP;
 
-	th->destscale = source->scale;
-	P_SetScale(th, source->scale);
+	P_SetScale(th, source->scale, true);
 
 	speed = FixedMul(th->info->speed, th->scale);
 
@@ -14152,8 +14130,7 @@ mobj_t *P_SpawnAlteredDirectionMissile(mobj_t *source, mobjtype_t type, fixed_t
 	if (source->eflags & MFE_VERTICALFLIP)
 		th->flags2 |= MF2_OBJECTFLIP;
 
-	th->destscale = source->scale;
-	P_SetScale(th, source->scale);
+	P_SetScale(th, source->scale, true);
 
 	speed = FixedMul(th->info->speed, th->scale);
 
@@ -14219,8 +14196,7 @@ mobj_t *P_SpawnPointMissile(mobj_t *source, fixed_t xa, fixed_t ya, fixed_t za,
 	if (source->eflags & MFE_VERTICALFLIP)
 		th->flags2 |= MF2_OBJECTFLIP;
 
-	th->destscale = source->scale;
-	P_SetScale(th, source->scale);
+	P_SetScale(th, source->scale, true);
 
 	speed = FixedMul(th->info->speed, th->scale);
 
@@ -14291,8 +14267,7 @@ mobj_t *P_SpawnMissile(mobj_t *source, mobj_t *dest, mobjtype_t type)
 	if (source->eflags & MFE_VERTICALFLIP)
 		th->flags2 |= MF2_OBJECTFLIP;
 
-	th->destscale = source->scale;
-	P_SetScale(th, source->scale);
+	P_SetScale(th, source->scale, true);
 
 	if (source->type == MT_METALSONIC_BATTLE && source->health < 4)
 		speed = FixedMul(FixedMul(th->info->speed, 3*FRACUNIT/2), th->scale);
@@ -14394,8 +14369,7 @@ mobj_t *P_SPMAngle(mobj_t *source, mobjtype_t type, angle_t angle, UINT8 allowai
 	if (source->eflags & MFE_VERTICALFLIP)
 		th->flags2 |= MF2_OBJECTFLIP;
 
-	th->destscale = source->scale;
-	P_SetScale(th, source->scale);
+	P_SetScale(th, source->scale, true);
 
 	th->flags2 |= flags2;
 
@@ -14477,8 +14451,8 @@ mobj_t *P_SpawnMobjFromMobj(mobj_t *mobj, fixed_t xofs, fixed_t yofs, fixed_t zo
 		newmobj->old_z2 = mobj->old_z2 + zofs;
 	}
 
+	P_SetScale(newmobj, mobj->scale, false);
 	newmobj->destscale = mobj->destscale;
-	P_SetScale(newmobj, mobj->scale);
 
 	newmobj->old_x2 = mobj->old_x2 + xofs;
 	newmobj->old_y2 = mobj->old_y2 + yofs;
@@ -14507,9 +14481,13 @@ mobj_t *P_SpawnMobjFromMobj(mobj_t *mobj, fixed_t xofs, fixed_t yofs, fixed_t zo
 
 	newmobj->old_scale2 = mobj->old_scale2;
 	newmobj->old_scale = mobj->old_scale;
+	newmobj->old_spritexscale2 = mobj->old_spritexscale2;
 	newmobj->old_spritexscale = mobj->old_spritexscale;
+	newmobj->old_spriteyscale2 = mobj->old_spriteyscale2;
 	newmobj->old_spriteyscale = mobj->old_spriteyscale;
+	newmobj->old_spritexoffset2 = mobj->old_spritexoffset2;
 	newmobj->old_spritexoffset = mobj->old_spritexoffset;
+	newmobj->old_spriteyoffset2 = mobj->old_spriteyoffset2;
 	newmobj->old_spriteyoffset = mobj->old_spriteyoffset;
 
 	return newmobj;
diff --git a/src/p_mobj.h b/src/p_mobj.h
index 545f0847f3c18c87812775ca766bbd091518d859..3c6016aff74b6e957e0af92c37b78a667cbe8509 100644
--- a/src/p_mobj.h
+++ b/src/p_mobj.h
@@ -316,8 +316,8 @@ typedef struct mobj_s
 	fixed_t alpha; // alpha
 	fixed_t spritexscale, spriteyscale;
 	fixed_t spritexoffset, spriteyoffset;
-	fixed_t old_spritexscale, old_spriteyscale;
-	fixed_t old_spritexoffset, old_spriteyoffset;
+	fixed_t old_spritexscale, old_spriteyscale, old_spritexscale2, old_spriteyscale2;
+	fixed_t old_spritexoffset, old_spriteyoffset, old_spritexoffset2, old_spriteyoffset2;
 	struct pslope_s *floorspriteslope; // The slope that the floorsprite is rotated by
 
 	struct msecnode_s *touching_sectorlist; // a linked list of sectors where this object appears
@@ -460,8 +460,8 @@ typedef struct precipmobj_s
 	fixed_t alpha; // alpha
 	fixed_t spritexscale, spriteyscale;
 	fixed_t spritexoffset, spriteyoffset;
-	fixed_t old_spritexscale, old_spriteyscale;
-	fixed_t old_spritexoffset, old_spriteyoffset;
+	fixed_t old_spritexscale, old_spriteyscale, old_spritexscale2, old_spriteyscale2;
+	fixed_t old_spritexoffset, old_spriteyoffset, old_spritexoffset2, old_spriteyoffset2;
 	struct pslope_s *floorspriteslope; // The slope that the floorsprite is rotated by
 
 	struct mprecipsecnode_s *touching_sectorlist; // a linked list of sectors where this object appears
@@ -529,7 +529,7 @@ void P_SnowThinker(precipmobj_t *mobj);
 void P_RainThinker(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_SetScale(mobj_t *mobj, fixed_t newscale, boolean instant);
 void P_XYMovement(mobj_t *mo);
 void P_RingXYMovement(mobj_t *mo);
 void P_SceneryXYMovement(mobj_t *mo);
diff --git a/src/p_setup.c b/src/p_setup.c
index 1cb3ccd21a5bf246d224cc832d4d3208712fda2e..93c4937c4d40118230bb128af9d4f345143816a0 100644
--- a/src/p_setup.c
+++ b/src/p_setup.c
@@ -3328,8 +3328,6 @@ static void P_InitializeSeg(seg_t *seg)
 	seg->lightmaps = NULL; // list of static lightmap for this seg
 #endif
 
-	seg->numlights = 0;
-	seg->rlights = NULL;
 	seg->polyseg = NULL;
 	seg->dontrenderme = false;
 }
diff --git a/src/p_user.c b/src/p_user.c
index 950b6fa88e871e7bce61a60cd1dfb8cfed75c81f..848d573b2b098c553ee96401e0c84dd447557577 100644
--- a/src/p_user.c
+++ b/src/p_user.c
@@ -1378,7 +1378,7 @@ void P_DoSuperTransformation(player_t *player, boolean giverings)
 // P_DoSuperDetransformation
 //
 // Detransform into regular Sonic!
-static void P_DoSuperDetransformation(player_t *player)
+void P_DoSuperDetransformation(player_t *player)
 {
 	player->powers[pw_emeralds] = 0; // lost the power stones
 	P_SpawnGhostMobj(player->mo);
@@ -2038,8 +2038,7 @@ mobj_t *P_SpawnGhostMobj(mobj_t *mobj)
 	P_SetTarget(&ghost->target, mobj);
 	P_SetTarget(&ghost->dontdrawforviewmobj, mobj); // Hide the ghost in first-person
 
-	P_SetScale(ghost, mobj->scale);
-	ghost->destscale = mobj->scale;
+	P_SetScale(ghost, mobj->scale, true);
 
 	if (mobj->eflags & MFE_VERTICALFLIP)
 	{
@@ -2099,6 +2098,11 @@ mobj_t *P_SpawnGhostMobj(mobj_t *mobj)
 	ghost->old_pitch = mobj->old_pitch2;
 	ghost->old_roll = mobj->old_roll2;
 	ghost->old_spriteroll = mobj->old_spriteroll2;
+	ghost->old_spritexscale = mobj->old_spritexscale2;
+	ghost->old_spriteyscale = mobj->old_spriteyscale2;
+	ghost->old_spritexoffset = mobj->old_spritexoffset2;
+	ghost->old_spriteyoffset = mobj->old_spriteyoffset2;
+	ghost->old_scale = mobj->old_scale2;
 
 	return ghost;
 }
@@ -2154,7 +2158,7 @@ void P_SpawnThokMobj(player_t *player)
 		mobj->eflags |= (player->mo->eflags & MFE_VERTICALFLIP);
 
 		// scale
-		P_SetScale(mobj, (mobj->destscale = player->mo->scale));
+		P_SetScale(mobj, player->mo->scale, true);
 
 		if (type == MT_THOK) // spintrail-specific modification for MT_THOK
 		{
@@ -2218,8 +2222,7 @@ void P_SpawnSpinMobj(player_t *player, mobjtype_t type)
 		mobj->eflags |= (player->mo->eflags & MFE_VERTICALFLIP);
 
 		// scale
-		P_SetScale(mobj, player->mo->scale);
-		mobj->destscale = player->mo->scale;
+		P_SetScale(mobj, player->mo->scale, true);
 
 		if (type == MT_THOK) // spintrail-specific modification for MT_THOK
 		{
@@ -3042,9 +3045,8 @@ static void P_CheckUnderwaterAndSpaceTimer(player_t *player)
 					P_SetMobjState(numbermobj, numbermobj->info->spawnstate+timeleft);
 
 				P_SetTarget(&numbermobj->target, player->mo);
+				P_SetScale(numbermobj, player->mo->scale, true);
 				numbermobj->threshold = 40;
-				numbermobj->destscale = player->mo->scale;
-				P_SetScale(numbermobj, player->mo->scale);
 			}
 		}
 	}
@@ -3106,10 +3108,7 @@ static void P_CheckInvincibilityTimer(player_t *player)
 	{
 		mobj_t *sparkle = P_SpawnMobj(player->mo->x, player->mo->y, player->mo->z, MT_IVSP);
 		if (!P_MobjWasRemoved(sparkle))
-		{
-			sparkle->destscale = player->mo->scale;
-			P_SetScale(sparkle, player->mo->scale);
-		}
+			P_SetScale(sparkle, player->mo->scale, true);
 	}
 
 	// Resume normal music stuff.
@@ -3184,8 +3183,7 @@ static void P_DoBubbleBreath(player_t *player)
 	if (bubble)
 	{
 		bubble->threshold = 42;
-		bubble->destscale = player->mo->scale;
-		P_SetScale(bubble, bubble->destscale);
+		P_SetScale(bubble, player->mo->scale, true);
 	}
 
 	// Tails stirs up the water while flying in it
@@ -3207,20 +3205,14 @@ static void P_DoBubbleBreath(player_t *player)
 			player->mo->y + stirwatery,
 			stirwaterz, MT_SMALLBUBBLE);
 		if (!P_MobjWasRemoved(bubble))
-		{
-			bubble->destscale = player->mo->scale;
-			P_SetScale(bubble,bubble->destscale);
-		}
+			P_SetScale(bubble, player->mo->scale, true);
 
 		bubble = P_SpawnMobj(
 			player->mo->x - stirwaterx,
 			player->mo->y - stirwatery,
 			stirwaterz, MT_SMALLBUBBLE);
 		if (!P_MobjWasRemoved(bubble))
-		{
-			bubble->destscale = player->mo->scale;
-			P_SetScale(bubble,bubble->destscale);
-		}
+			P_SetScale(bubble, player->mo->scale, true);
 	}
 }
 
@@ -4190,16 +4182,6 @@ static void P_DoFiring(player_t *player, ticcmd_t *cmd)
 
 	I_Assert(player != NULL);
 	I_Assert(!P_MobjWasRemoved(player->mo));
-	
-	// Toss a flag
-	if (cmd->buttons & BT_TOSSFLAG && G_GametypeHasTeams()
-		&& !(player->powers[pw_super]) && !(player->tossdelay))
-	{
-		if (!(player->gotflag & (GF_REDFLAG|GF_BLUEFLAG)))
-			P_PlayerEmeraldBurst(player, true); // Toss emeralds
-		else
-			P_PlayerFlagBurst(player, true);
-	}
 
 	if (!(cmd->buttons & (BT_ATTACK|BT_FIRENORMAL)))
 	{
@@ -4209,7 +4191,7 @@ static void P_DoFiring(player_t *player, ticcmd_t *cmd)
 		return;
 	}
 
-	if (player->pflags & PF_ATTACKDOWN || player->climbing)
+	if (player->pflags & PF_ATTACKDOWN || player->climbing || (G_TagGametype() && !(player->pflags & PF_TAGIT)))
 		return;
 
 	// Fire a fireball if we have the Fire Flower powerup!
@@ -4225,7 +4207,7 @@ static void P_DoFiring(player_t *player, ticcmd_t *cmd)
 	}
 
 	// No ringslinging outside of ringslinger!
-	if (!G_RingSlingerGametype() || player->weapondelay || (G_TagGametype() && !(player->pflags & PF_TAGIT)))
+	if (!G_RingSlingerGametype() || player->weapondelay)
 		return;
 
 	player->pflags |= PF_ATTACKDOWN;
@@ -4425,10 +4407,7 @@ static void P_DoSuperStuff(player_t *player)
 		{
 			spark = P_SpawnMobj(player->mo->x, player->mo->y, player->mo->z, MT_SUPERSPARK);
 			if (!P_MobjWasRemoved(spark))
-			{
-				spark->destscale = player->mo->scale;
-				P_SetScale(spark, player->mo->scale);
-			}
+				P_SetScale(spark, player->mo->scale, true);
 		}
 
 		// Ran out of rings while super!
@@ -4453,14 +4432,14 @@ boolean P_SuperReady(player_t *player, boolean transform)
 	|| !ALL7EMERALDS(emeralds)
 	|| !(player->rings >= 50)))
 		return false;
-	
+
 	if (player->mo
 	&& !player->powers[pw_tailsfly]
 	&& !player->powers[pw_carry]
 	&& (player->charflags & SF_SUPER)
 	&& !P_PlayerInPain(player)
 	&& !player->climbing
-	&& !(player->pflags & (PF_FULLSTASIS|PF_THOKKED|PF_STARTDASH|PF_GLIDING|PF_SLIDING|PF_SHIELDABILITY))
+	&& !(player->pflags & (PF_JUMPSTASIS|PF_THOKKED|PF_STARTDASH|PF_GLIDING|PF_SLIDING|PF_SHIELDABILITY))
 	&& ((player->pflags & PF_JUMPED) || (P_IsObjectOnGround(player->mo) && (player->panim == PA_IDLE || player->panim == PA_EDGE
 	|| player->panim == PA_WALK || player->panim == PA_RUN || (player->charflags & SF_DASHMODE && player->panim == PA_DASH))))
 	&& !(maptol & TOL_NIGHTS))
@@ -4678,8 +4657,7 @@ void P_DoSpinDashDust(player_t *player)
 			P_SetMobjState(particle, S_SPINDUST_FIRE1);
 
 		P_SetTarget(&particle->target, player->mo);
-		particle->destscale = (2*player->mo->scale)/3;
-		P_SetScale(particle, particle->destscale);
+		P_SetScale(particle, (2*player->mo->scale)/3, true);
 		if (player->mo->eflags & MFE_VERTICALFLIP) // readjust z position if needed
 			particle->z = player->mo->z + player->mo->height - particle->height;
 		prandom[0] = P_RandomFixed()<<2; // P_RandomByte()<<10
@@ -5078,7 +5056,7 @@ void P_TwinSpinRejuvenate(player_t *player, mobjtype_t type)
 		if (!P_MobjWasRemoved(missile))
 		{
 			P_SetTarget(&missile->target, player->mo);
-			P_SetScale(missile, (missile->destscale >>= 1));
+			P_SetScale(missile, missile->destscale/2, true);
 			missile->angle = ang + movang;
 			missile->fuse = TICRATE/2;
 			missile->extravalue2 = (99*FRACUNIT)/100;
@@ -5282,7 +5260,7 @@ static boolean P_PlayerShieldThink(player_t *player, ticcmd_t *cmd, mobj_t *lock
 //
 // Handles player jumping
 //
-static void P_DoJumpStuff(player_t *player, ticcmd_t *cmd)
+static void P_DoJumpStuff(player_t *player, ticcmd_t *cmd, boolean spinshieldhack)
 {
 	mobj_t *lockonthok = NULL, *visual = NULL;
 
@@ -5315,45 +5293,53 @@ static void P_DoJumpStuff(player_t *player, ticcmd_t *cmd)
 			;
 		else if (P_PlayerShieldThink(player, cmd, lockonthok, visual))
 			;
-		else if ((cmd->buttons & BT_SPIN) && !LUA_HookPlayer(player, HOOK(JumpSpinSpecial)))
+		else if (cmd->buttons & BT_SPIN)
 		{
-			switch (player->charability)
+			if (spinshieldhack && !(player->pflags & PF_SPINDOWN) && P_SuperReady(player, true)
+			&& !player->powers[pw_invulnerability] && !(player->powers[pw_shield] & SH_NOSTACK)) // These two checks are no longer in P_SuperReady
 			{
-				case CA_THOK:
-					if (player->powers[pw_super]) // Super Sonic float
-					{
-						if ((player->speed > 5*player->mo->scale) // FixedMul(5<<FRACBITS, player->mo->scale), but scale is FRACUNIT-based
-						&& (P_MobjFlip(player->mo)*player->mo->momz <= 0))
+				// If you're using two-button play, can turn Super and aren't already,
+				// and you don't have a shield, then turn Super!
+				P_DoSuperTransformation(player, false);
+			}
+			else if (!LUA_HookPlayer(player, HOOK(JumpSpinSpecial)))
+				switch (player->charability)
+				{
+					case CA_THOK:
+						if (player->powers[pw_super]) // Super Sonic float
 						{
-							if (player->panim != PA_RUN && player->panim != PA_WALK)
+							if ((player->speed > 5*player->mo->scale) // FixedMul(5<<FRACBITS, player->mo->scale), but scale is FRACUNIT-based
+							&& (P_MobjFlip(player->mo)*player->mo->momz <= 0))
 							{
-								if (player->speed >= FixedMul(player->runspeed, player->mo->scale))
-									P_SetMobjState(player->mo, S_PLAY_FLOAT_RUN);
-								else
-									P_SetMobjState(player->mo, S_PLAY_FLOAT);
-							}
+								if (player->panim != PA_RUN && player->panim != PA_WALK)
+								{
+									if (player->speed >= FixedMul(player->runspeed, player->mo->scale))
+										P_SetMobjState(player->mo, S_PLAY_FLOAT_RUN);
+									else
+										P_SetMobjState(player->mo, S_PLAY_FLOAT);
+								}
 
-							player->mo->momz = 0;
-							player->pflags &= ~(PF_STARTJUMP|PF_SPINNING);
-							player->secondjump = 1;
+								player->mo->momz = 0;
+								player->pflags &= ~(PF_STARTJUMP|PF_SPINNING);
+								player->secondjump = 1;
+							}
 						}
-					}
-					break;
-				case CA_TELEKINESIS:
-					if (!(player->pflags & (PF_THOKKED|PF_SPINDOWN)) || (player->charflags & SF_MULTIABILITY))
-					{
-						P_Telekinesis(player,
-							-FixedMul(player->actionspd, player->mo->scale), // -ve thrust (pulling towards player)
-							FixedMul(384*FRACUNIT, player->mo->scale));
-					}
-					break;
-				case CA_TWINSPIN:
-					if ((player->charability2 == CA2_MELEE) && (!(player->pflags & (PF_THOKKED|PF_SPINDOWN)) || player->charflags & SF_MULTIABILITY))
-						P_DoTwinSpin(player);
-					break;
-				default:
-					break;
-			}
+						break;
+					case CA_TELEKINESIS:
+						if (!(player->pflags & (PF_THOKKED|PF_SPINDOWN)) || (player->charflags & SF_MULTIABILITY))
+						{
+							P_Telekinesis(player,
+								-FixedMul(player->actionspd, player->mo->scale), // -ve thrust (pulling towards player)
+								FixedMul(384*FRACUNIT, player->mo->scale));
+						}
+						break;
+					case CA_TWINSPIN:
+						if ((player->charability2 == CA2_MELEE) && (!(player->pflags & (PF_THOKKED|PF_SPINDOWN)) || player->charflags & SF_MULTIABILITY))
+							P_DoTwinSpin(player);
+						break;
+					default:
+						break;
+				}
 		}
 	}
 
@@ -7418,9 +7404,8 @@ static void P_NiGHTSMovement(player_t *player)
 		firstmobj = P_SpawnMobj(player->mo->x + P_ReturnThrustX(player->mo, player->mo->angle+ANGLE_90, spawndist), player->mo->y + P_ReturnThrustY(player->mo, player->mo->angle+ANGLE_90, spawndist), z, MT_NIGHTSPARKLE);
 		if (!P_MobjWasRemoved(firstmobj))
 		{
-			firstmobj->destscale = player->mo->scale;
 			P_SetTarget(&firstmobj->target, player->mo);
-			P_SetScale(firstmobj, player->mo->scale);
+			P_SetScale(firstmobj, player->mo->scale, true);
 			// Superloop turns sparkles red
 			if (player->powers[pw_nights_superloop])
 				P_SetMobjState(firstmobj, mobjinfo[MT_NIGHTSPARKLE].seestate);
@@ -7428,10 +7413,8 @@ static void P_NiGHTSMovement(player_t *player)
 		secondmobj = P_SpawnMobj(player->mo->x + P_ReturnThrustX(player->mo, player->mo->angle-ANGLE_90, spawndist), player->mo->y + P_ReturnThrustY(player->mo, player->mo->angle-ANGLE_90, spawndist), z, MT_NIGHTSPARKLE);
 		if (!P_MobjWasRemoved(secondmobj))
 		{
-			secondmobj->destscale = player->mo->scale;
 			P_SetTarget(&secondmobj->target, player->mo);
-			P_SetScale(secondmobj, player->mo->scale);
-
+			P_SetScale(secondmobj, player->mo->scale, true);
 			// Superloop turns sparkles red
 			if (player->powers[pw_nights_superloop])
 				P_SetMobjState(secondmobj, mobjinfo[MT_NIGHTSPARKLE].seestate);
@@ -7446,7 +7429,7 @@ static void P_NiGHTSMovement(player_t *player)
 		{
 			helpermobj->fuse = player->mo->fuse = leveltime;
 			P_SetTarget(&helpermobj->target, player->mo);
-			P_SetScale(helpermobj, player->mo->scale);
+			P_SetScale(helpermobj, player->mo->scale, false);
 		}
 	}
 
@@ -7646,8 +7629,7 @@ static void P_NiGHTSMovement(player_t *player)
 				water->flags2 |= MF2_OBJECTFLIP;
 				water->eflags |= MFE_VERTICALFLIP;
 			}
-			water->destscale = player->mo->scale;
-			P_SetScale(water, player->mo->scale);
+			P_SetScale(water, player->mo->scale, true);
 		}
 	}
 
@@ -7890,8 +7872,7 @@ void P_ElementalFire(player_t *player, boolean cropcircle)
 			P_SetTarget(&flame->target, player->mo);
 			flame->angle = travelangle + i*(ANGLE_MAX/numangles);
 			flame->fuse = TICRATE*7; // takes about an extra second to hit the ground
-			flame->destscale = player->mo->scale;
-			P_SetScale(flame, player->mo->scale);
+			P_SetScale(flame, player->mo->scale, true);
 			if (!(player->mo->flags2 & MF2_OBJECTFLIP) != !(player->powers[pw_gravityboots])) // take gravity boots into account
 				flame->flags2 |= MF2_OBJECTFLIP;
 			flame->eflags = (flame->eflags & ~MFE_VERTICALFLIP)|(player->mo->eflags & MFE_VERTICALFLIP);
@@ -7928,8 +7909,7 @@ void P_ElementalFire(player_t *player, boolean cropcircle)
 			P_SetTarget(&flame->target, player->mo);
 			flame->angle = travelangle;
 			flame->fuse = TICRATE*6;
-			flame->destscale = player->mo->scale;
-			P_SetScale(flame, player->mo->scale);
+			P_SetScale(flame, player->mo->scale, true);
 			if (!(player->mo->flags2 & MF2_OBJECTFLIP) != !(player->powers[pw_gravityboots])) // take gravity boots into account
 				flame->flags2 |= MF2_OBJECTFLIP;
 			flame->eflags = (flame->eflags & ~MFE_VERTICALFLIP)|(player->mo->eflags & MFE_VERTICALFLIP);
@@ -7977,8 +7957,7 @@ void P_SpawnSkidDust(player_t *player, fixed_t radius, boolean sound)
 	}
 	particle->tics = 10;
 
-	particle->destscale = (2*mo->scale)/3;
-	P_SetScale(particle, particle->destscale);
+	P_SetScale(particle, (2*mo->scale)/3, true);
 	P_SetObjectMomZ(particle, FRACUNIT, false);
 
 	if (mo->eflags & (MFE_TOUCHWATER|MFE_UNDERWATER)) // overrides fire version
@@ -8075,6 +8054,7 @@ void P_MovePlayer(player_t *player)
 {
 	ticcmd_t *cmd;
 	INT32 i;
+	boolean spinshieldhack = false; // Hack: Is Spin and Shield bound to the same button (pressed on the same tic)?
 
 	fixed_t runspd;
 
@@ -8567,8 +8547,7 @@ void P_MovePlayer(player_t *player)
 				water->flags2 |= MF2_OBJECTFLIP;
 				water->eflags |= MFE_VERTICALFLIP;
 			}
-			water->destscale = player->mo->scale;
-			P_SetScale(water, player->mo->scale);
+			P_SetScale(water, player->mo->scale, true);
 		}
 	}
 
@@ -8697,10 +8676,13 @@ void P_MovePlayer(player_t *player)
 	&& !(player->mo->eflags & (MFE_UNDERWATER|MFE_TOUCHWATER)))
 		P_ElementalFire(player, false);
 
+	if ((cmd->buttons & (BT_SPIN|BT_SHIELD)) == (BT_SPIN|BT_SHIELD) && !(player->pflags & (PF_SPINDOWN|PF_SHIELDDOWN)))
+		spinshieldhack = true; // Spin and Shield is bound to the same button (pressed on the same tic), so enable two-button play (Jump and Spin+Shield)
+
 	P_DoSpinAbility(player, cmd);
 
 	// jumping
-	P_DoJumpStuff(player, cmd);
+	P_DoJumpStuff(player, cmd, spinshieldhack);
 
 	// If you're not spinning, you'd better not be spindashing!
 	if (!(player->pflags & PF_SPINNING) && player->powers[pw_carry] != CR_NIGHTSMODE)
@@ -8778,30 +8760,32 @@ void P_MovePlayer(player_t *player)
 	if (!(player->mo->momz || player->mo->momx || player->mo->momy) && !(player->mo->eflags & MFE_GOOWATER)
 	&& player->panim == PA_IDLE && !(player->powers[pw_carry]))
 		P_DoTeeter(player);
+	
+	// Toss a flag
+	if (G_GametypeHasTeams() && (cmd->buttons & BT_TOSSFLAG) && !(player->powers[pw_super]) && !(player->tossdelay))
+	{
+		if (!(player->gotflag & (GF_REDFLAG|GF_BLUEFLAG)))
+			P_PlayerEmeraldBurst(player, true); // Toss emeralds
+		else
+			P_PlayerFlagBurst(player, true);
+	}
 
 	// Check for fire and shield buttons
-	if (!player->exiting && !(player->pflags & PF_STASIS))
+	if (!player->exiting)
 	{
-		// Check for fire buttons
 		P_DoFiring(player, cmd);
-		
-		// Release the shield button
-		if (!(cmd->buttons & BT_SHIELD))
-			player->pflags &= ~PF_SHIELDDOWN;
-		
+
 		// Shield button behavior
 		// Check P_PlayerShieldThink for actual shields!
-		else if (!(player->pflags & PF_SHIELDDOWN))
+		if ((cmd->buttons & BT_SHIELD) && !(player->pflags & PF_SHIELDDOWN) && !spinshieldhack)
 		{
 			// Transform into super if we can!
 			if (P_SuperReady(player, true))
 				P_DoSuperTransformation(player, false);
-			
+
 			// Detransform from super if we can!
 			else if (P_SuperReady(player, false))
 				P_DoSuperDetransformation(player);
-			
-			player->pflags |= PF_SHIELDDOWN;
 		}
 	}
 
@@ -11000,8 +10984,7 @@ static void P_SpawnSparks(mobj_t *mo, angle_t maindir)
 	spark->momz = mo->momz + r3;
 
 	P_Thrust(spark, R_PointToAngle2(mo->x, mo->y, spark->x, spark->y), 8*FRACUNIT);
-	P_SetScale(spark, FRACUNIT/4);
-	spark->destscale = spark->scale;
+	P_SetScale(spark, FRACUNIT/4, true);
 	spark->fuse = TICRATE/3;
 }
 
@@ -11473,8 +11456,9 @@ void P_DoTailsOverlay(player_t *player, mobj_t *tails)
 	tails->threshold = player->mo->z;
 	tails->movecount = player->panim;
 	tails->angle = horizangle;
-	P_SetScale(tails, player->mo->scale);
+	P_SetScale(tails, player->mo->scale, false);
 	tails->destscale = player->mo->destscale;
+	tails->old_scale = player->mo->old_scale;
 	tails->radius = player->mo->radius;
 	tails->height = player->mo->height;
 	zoffs = FixedMul(zoffs, tails->scale);
@@ -11565,7 +11549,9 @@ void P_DoMetalJetFume(player_t *player, mobj_t *fume)
 				y = mo->y + radiusY + FixedMul(offsetH, factorY);
 				z = mo->z + heightoffset + offsetV;
 				bubble = P_SpawnMobj(x, y, z, MT_SMALLBUBBLE);
-				bubble->scale = mo->scale >> 1;
+				P_SetScale(bubble, mo->scale/2, true);
+				bubble->destscale = mo->scale;
+				bubble->scalespeed = FixedMul(bubble->scalespeed, mo->scale);
 				P_SetTarget(&bubble->dontdrawforviewmobj, mo); // Hide the bubble in first-person
 			}
 
@@ -11586,7 +11572,7 @@ void P_DoMetalJetFume(player_t *player, mobj_t *fume)
 	if (stat == fume->info->spawnstate) // If currently inivisble, activate!
 	{
 		P_SetMobjState(fume, (stat = fume->info->seestate));
-		P_SetScale(fume, mo->scale);
+		P_SetScale(fume, mo->scale, false);
 		resetinterp = true;
 	}
 
@@ -11601,7 +11587,7 @@ void P_DoMetalJetFume(player_t *player, mobj_t *fume)
 		if (dashmode == DASHMODE_THRESHOLD && dashmode > (tic_t)fume->movecount) // If just about to enter dashmode, play the startup animation again
 		{
 			P_SetMobjState(fume, (stat = fume->info->seestate));
-			P_SetScale(fume, mo->scale << 1);
+			P_SetScale(fume, 2*mo->scale, true);
 		}
 		fume->flags2 = (fume->flags2 & ~MF2_DONTDRAW) | (mo->flags2 & MF2_DONTDRAW);
 		fume->destscale = (mo->scale + FixedDiv(player->speed, player->normalspeed)) / (underwater ? 6 : 3);
@@ -12055,7 +12041,7 @@ void P_PlayerThink(player_t *player)
 				ticmiss++;
 
 			P_DoRopeHang(player);
-			P_DoJumpStuff(player, &player->cmd);
+			P_DoJumpStuff(player, &player->cmd, false); // P_DoRopeHang would set PF_SPINDOWN, so no spinshieldhack here
 		}
 		else //if (player->powers[pw_carry] == CR_ZOOMTUBE)
 		{
@@ -12325,6 +12311,12 @@ void P_PlayerThink(player_t *player)
 			player->pflags &= ~PF_SPINDOWN;
 	}
 
+	// Check for Shield button
+	if (cmd->buttons & BT_SHIELD)
+		player->pflags |= PF_SHIELDDOWN;
+	else
+		player->pflags &= ~PF_SHIELDDOWN;
+
 	// IF PLAYER NOT HERE THEN FLASH END IF
 	if (player->quittime && player->powers[pw_flashing] < flashingtics - 1
 	&& !(G_TagGametype() && !(player->pflags & PF_TAGIT)) && !player->gotflag)
diff --git a/src/r_bsp.c b/src/r_bsp.c
index 918dc40b0f721a73badb9549d8e656a98fedf54c..d606d7a274b322e932cdd9778ea9d780748c7394 100644
--- a/src/r_bsp.c
+++ b/src/r_bsp.c
@@ -1382,10 +1382,9 @@ void R_RenderPortalHorizonLine(sector_t *sector)
 		|| frontsector->ceilingpic == skyflatnum
 		|| (frontsector->heightsec != -1 && sectors[frontsector->heightsec].floorpic == skyflatnum))
 	{
-		ceilingplane = R_FindPlane(frontsector, frontsector->ceilingheight, frontsector->ceilingpic,
-			ceilinglightlevel, frontsector->ceilingxoffset, frontsector->ceilingxscale, frontsector->ceilingyscale,
-			frontsector->ceilingyoffset, frontsector->ceilingangle,
-			ceilingcolormap, NULL, NULL, NULL, NULL);
+		ceilingplane = R_FindPlane(frontsector, frontsector->ceilingheight, frontsector->ceilingpic, ceilinglightlevel,
+			frontsector->ceilingxoffset, frontsector->ceilingyoffset, frontsector->ceilingxscale, frontsector->ceilingyscale,
+			frontsector->ceilingangle, ceilingcolormap, NULL, NULL, NULL, NULL);
 	}
 	else
 		ceilingplane = NULL;
diff --git a/src/r_defs.h b/src/r_defs.h
index 369fd5fbf207eb08904844f21d9bbba159742436..7e92c92492a88527f2bf5685bf93797c0081494c 100644
--- a/src/r_defs.h
+++ b/src/r_defs.h
@@ -751,9 +751,6 @@ typedef struct seg_s
 	lightmap_t *lightmaps; // for static lightmap
 #endif
 
-	// Why slow things down by calculating lightlists for every thick side?
-	size_t numlights;
-	r_lightlist_t *rlights;
 	polyobj_t *polyseg;
 	boolean dontrenderme;
 	boolean glseg;
@@ -837,6 +834,7 @@ typedef struct drawseg_s
 	INT16 *sprtopclip;
 	INT16 *sprbottomclip;
 	fixed_t *maskedtexturecol;
+	fixed_t *maskedtextureheight; // For handling sloped midtextures
 	fixed_t *invscale;
 
 	struct visplane_s *ffloorplanes[MAXFFLOORS];
@@ -848,8 +846,6 @@ typedef struct drawseg_s
 
 	UINT8 portalpass; // if > 0 and <= portalrender, do not affect sprite clipping
 
-	fixed_t maskedtextureheight[MAXVIDWIDTH]; // For handling sloped midtextures
-
 	vertex_t leftpos, rightpos; // Used for rendering FOF walls with slopes
 } drawseg_t;
 
diff --git a/src/r_fps.c b/src/r_fps.c
index 83fd0eec15f4c9fd0f41fa60104be022b9b4c7eb..0773f228d6c8b6fdf266aff91f4f25e07080fee1 100644
--- a/src/r_fps.c
+++ b/src/r_fps.c
@@ -817,6 +817,10 @@ void R_ResetMobjInterpolationState(mobj_t *mobj)
 	mobj->old_roll2 = mobj->old_roll;
 	mobj->old_spriteroll2 = mobj->old_spriteroll;
 	mobj->old_scale2 = mobj->old_scale;
+	mobj->old_spritexscale2 = mobj->old_spritexscale;
+	mobj->old_spriteyscale2 = mobj->old_spriteyscale;
+	mobj->old_spritexoffset2 = mobj->old_spritexoffset;
+	mobj->old_spriteyoffset2 = mobj->old_spriteyoffset;
 	mobj->old_x = mobj->x;
 	mobj->old_y = mobj->y;
 	mobj->old_z = mobj->z;
@@ -853,6 +857,10 @@ void R_ResetPrecipitationMobjInterpolationState(precipmobj_t *mobj)
 	mobj->old_pitch2 = mobj->old_pitch;
 	mobj->old_roll2 = mobj->old_roll;
 	mobj->old_spriteroll2 = mobj->old_spriteroll;
+	mobj->old_spritexscale2 = mobj->old_spritexscale;
+	mobj->old_spriteyscale2 = mobj->old_spriteyscale;
+	mobj->old_spritexoffset2 = mobj->old_spritexoffset;
+	mobj->old_spriteyoffset2 = mobj->old_spriteyoffset;
 	mobj->old_x = mobj->x;
 	mobj->old_y = mobj->y;
 	mobj->old_z = mobj->z;
diff --git a/src/r_main.c b/src/r_main.c
index 08cb4eb6a339664c93199ce40bb25976a0af84b9..4624392944a931b4178f84038de2982f9ff371cb 100644
--- a/src/r_main.c
+++ b/src/r_main.c
@@ -66,6 +66,10 @@ sector_t *viewsector;
 player_t *viewplayer;
 mobj_t *r_viewmobj;
 
+boolean r_renderwalls;
+boolean r_renderfloors;
+boolean r_renderthings;
+
 fixed_t rendertimefrac;
 fixed_t renderdeltatics;
 boolean renderisnewtic;
@@ -149,8 +153,6 @@ consvar_t cv_flipcam2 = CVAR_INIT ("flipcam2", "No", CV_SAVE|CV_CALL|CV_NOINIT,
 
 consvar_t cv_shadow = CVAR_INIT ("shadow", "On", CV_SAVE, CV_OnOff, NULL);
 consvar_t cv_skybox = CVAR_INIT ("skybox", "On", CV_SAVE, CV_OnOff, NULL);
-consvar_t cv_ffloorclip = CVAR_INIT ("r_ffloorclip", "On", CV_SAVE, CV_OnOff, NULL);
-consvar_t cv_spriteclip = CVAR_INIT ("r_spriteclip", "On", CV_SAVE, CV_OnOff, NULL);
 consvar_t cv_allowmlook = CVAR_INIT ("allowmlook", "Yes", CV_NETVAR|CV_ALLOWLUA, CV_YesNo, NULL);
 consvar_t cv_showhud = CVAR_INIT ("showhud", "Yes", CV_CALL|CV_ALLOWLUA,  CV_YesNo, R_SetViewSize);
 consvar_t cv_translucenthud = CVAR_INIT ("translucenthud", "10", CV_SAVE, translucenthud_cons_t, NULL);
@@ -161,11 +163,16 @@ consvar_t cv_drawdist_nights = CVAR_INIT ("drawdist_nights", "2048", CV_SAVE, dr
 consvar_t cv_drawdist_precip = CVAR_INIT ("drawdist_precip", "1024", CV_SAVE, drawdist_precip_cons_t, NULL);
 consvar_t cv_fov = CVAR_INIT ("fov", "90", CV_SAVE|CV_FLOAT|CV_CALL, fov_cons_t, Fov_OnChange);
 consvar_t cv_fovchange = CVAR_INIT ("fovchange", "Off", CV_SAVE, CV_OnOff, NULL);
+consvar_t cv_maxportals = CVAR_INIT ("maxportals", "2", CV_SAVE, maxportals_cons_t, NULL);
 
-// Okay, whoever said homremoval causes a performance hit should be shot.
-consvar_t cv_homremoval = CVAR_INIT ("homremoval", "No", CV_SAVE, homremoval_cons_t, NULL);
+consvar_t cv_renderview = CVAR_INIT ("renderview", "On", 0, CV_OnOff, NULL);
+consvar_t cv_renderwalls = CVAR_INIT ("r_renderwalls", "On", 0, CV_OnOff, NULL);
+consvar_t cv_renderfloors = CVAR_INIT ("r_renderfloors", "On", 0, CV_OnOff, NULL);
+consvar_t cv_renderthings = CVAR_INIT ("r_renderthings", "On", 0, CV_OnOff, NULL);
+consvar_t cv_ffloorclip = CVAR_INIT ("r_ffloorclip", "On", 0, CV_OnOff, NULL);
+consvar_t cv_spriteclip = CVAR_INIT ("r_spriteclip", "On", 0, CV_OnOff, NULL);
 
-consvar_t cv_maxportals = CVAR_INIT ("maxportals", "2", CV_SAVE, maxportals_cons_t, NULL);
+consvar_t cv_homremoval = CVAR_INIT ("homremoval", "No", CV_SAVE, homremoval_cons_t, NULL);
 
 consvar_t cv_renderstats = CVAR_INIT ("renderstats", "Off", 0, CV_OnOff, NULL);
 
@@ -383,33 +390,26 @@ fixed_t R_PointToDist(fixed_t x, fixed_t y)
 	return R_PointToDist2(viewx, viewy, x, y);
 }
 
-//
-// R_ScaleFromGlobalAngle
-// Returns the texture mapping scale for the current line (horizontal span)
-//  at the given angle.
-// rw_distance must be calculated first.
-//
-// killough 5/2/98: reformatted, cleaned up
-//
-// note: THIS IS USED ONLY FOR WALLS!
-fixed_t R_ScaleFromGlobalAngle(angle_t visangle)
+line_t *R_GetFFloorLine(const seg_t *seg, const ffloor_t *pfloor)
 {
-	angle_t anglea = ANGLE_90 + (visangle-viewangle);
-	angle_t angleb = ANGLE_90 + (visangle-rw_normalangle);
-	fixed_t den = FixedMul(rw_distance, FINESINE(anglea>>ANGLETOFINESHIFT));
-	// proff 11/06/98: Changed for high-res
-	fixed_t num = FixedMul(projectiony, FINESINE(angleb>>ANGLETOFINESHIFT));
+	if (pfloor->master->flags & ML_TFERLINE)
+	{
+		size_t linenum = seg->linedef - pfloor->target->lines[0];
+		return pfloor->master->frontsector->lines[0] + linenum;
+	}
+	else
+		return pfloor->master;
+}
 
-	if (den > num>>16)
+side_t *R_GetFFloorSide(const seg_t *seg, const ffloor_t *pfloor)
+{
+	if (pfloor->master->flags & ML_TFERLINE)
 	{
-		num = FixedDiv(num, den);
-		if (num > 64*FRACUNIT)
-			return 64*FRACUNIT;
-		if (num < 256)
-			return 256;
-		return num;
+		line_t *newline = R_GetFFloorLine(seg, pfloor);
+		return &sides[newline->sidenum[0]];
 	}
-	return 64*FRACUNIT;
+	else
+		return &sides[pfloor->master->sidenum[0]];
 }
 
 //
@@ -1620,17 +1620,11 @@ void R_RenderPlayerView(player_t *player)
 
 void R_RegisterEngineStuff(void)
 {
-	CV_RegisterVar(&cv_gravity);
-	CV_RegisterVar(&cv_tailspickup);
-	CV_RegisterVar(&cv_allowmlook);
-	CV_RegisterVar(&cv_homremoval);
-	CV_RegisterVar(&cv_flipcam);
-	CV_RegisterVar(&cv_flipcam2);
-
-	// Enough for dedicated server
+	// Do nothing for dedicated server
 	if (dedicated)
 		return;
 
+	CV_RegisterVar(&cv_homremoval);
 	CV_RegisterVar(&cv_translucency);
 	CV_RegisterVar(&cv_drawdist);
 	CV_RegisterVar(&cv_drawdist_nights);
@@ -1643,6 +1637,13 @@ void R_RegisterEngineStuff(void)
 
 	CV_RegisterVar(&cv_shadow);
 	CV_RegisterVar(&cv_skybox);
+	CV_RegisterVar(&cv_renderview);
+	CV_RegisterVar(&cv_renderhitboxinterpolation);
+	CV_RegisterVar(&cv_renderhitboxgldepth);
+	CV_RegisterVar(&cv_renderhitbox);
+	CV_RegisterVar(&cv_renderwalls);
+	CV_RegisterVar(&cv_renderfloors);
+	CV_RegisterVar(&cv_renderthings);
 	CV_RegisterVar(&cv_ffloorclip);
 	CV_RegisterVar(&cv_spriteclip);
 
@@ -1681,8 +1682,6 @@ void R_RegisterEngineStuff(void)
 
 	CV_RegisterVar(&cv_maxportals);
 
-	CV_RegisterVar(&cv_movebob);
-
 	// Frame interpolation/uncapped
 	CV_RegisterVar(&cv_fpscap);
 }
diff --git a/src/r_main.h b/src/r_main.h
index 3f8c557463cd9d6c0bb94a0d7abd0941947d167d..aedfeb6ad0f2ca2a0caaba771f38e44ad29e1142 100644
--- a/src/r_main.h
+++ b/src/r_main.h
@@ -80,13 +80,15 @@ angle_t R_PointToAngle2(fixed_t px2, fixed_t py2, fixed_t px1, fixed_t py1);
 fixed_t R_PointToDist(fixed_t x, fixed_t y);
 fixed_t R_PointToDist2(fixed_t px2, fixed_t py2, fixed_t px1, fixed_t py1);
 
-fixed_t R_ScaleFromGlobalAngle(angle_t visangle);
 boolean R_IsPointInSector(sector_t *sector, fixed_t x, fixed_t y);
 subsector_t *R_PointInSubsector(fixed_t x, fixed_t y);
 subsector_t *R_PointInSubsectorOrNull(fixed_t x, fixed_t y);
 
 boolean R_DoCulling(line_t *cullheight, line_t *viewcullheight, fixed_t vz, fixed_t bottomh, fixed_t toph);
 
+line_t *R_GetFFloorLine(const seg_t *seg, const ffloor_t *pfloor);
+side_t *R_GetFFloorSide(const seg_t *seg, const ffloor_t *pfloor);
+
 // Render stats
 
 extern precise_t ps_prevframetime;// time when previous frame was rendered
@@ -117,12 +119,18 @@ extern consvar_t cv_chasecam, cv_chasecam2;
 extern consvar_t cv_flipcam, cv_flipcam2;
 
 extern consvar_t cv_shadow;
-extern consvar_t cv_ffloorclip, cv_spriteclip;
 extern consvar_t cv_translucency;
 extern consvar_t cv_drawdist, cv_drawdist_nights, cv_drawdist_precip;
 extern consvar_t cv_fov, cv_fovchange;
 extern consvar_t cv_skybox;
-extern consvar_t cv_tailspickup;
+extern consvar_t cv_renderview;
+extern consvar_t cv_renderhitbox, cv_renderhitboxinterpolation, cv_renderhitboxgldepth;
+extern consvar_t cv_renderwalls, cv_renderfloors, cv_renderthings;
+extern consvar_t cv_ffloorclip, cv_spriteclip;
+
+extern boolean r_renderwalls;
+extern boolean r_renderfloors;
+extern boolean r_renderthings;
 
 // Called by startup code.
 void R_Init(void);
diff --git a/src/r_plane.c b/src/r_plane.c
index 87b8a8856a816071dab7d9f855eb09e5915cca38..33e3aac1349faebb317d47c1f30ecec5d94a55ce 100644
--- a/src/r_plane.c
+++ b/src/r_plane.c
@@ -603,6 +603,9 @@ void R_DrawPlanes(void)
 	visplane_t *pl;
 	INT32 i;
 
+	if (!r_renderfloors)
+		return;
+
 	R_UpdatePlaneRipple();
 
 	for (i = 0; i < MAXVISPLANES; i++, pl++)
@@ -881,9 +884,6 @@ void R_DrawSinglePlane(visplane_t *pl)
 	if (!(pl->minx <= pl->maxx))
 		return;
 
-	if (!cv_renderfloors.value)
-		return;
-
 	// sky flat
 	if (pl->picnum == skyflatnum)
 	{
diff --git a/src/r_segs.c b/src/r_segs.c
index 56a62f10cf5eed0a12fbdc3b709205d7de3f3440..e07ced86a7c6002c7bd127c1e2867bdae5386419 100644
--- a/src/r_segs.c
+++ b/src/r_segs.c
@@ -16,7 +16,6 @@
 #include "r_sky.h"
 
 #include "r_portal.h"
-#include "r_splats.h"
 
 #include "w_wad.h"
 #include "z_zone.h"
@@ -75,6 +74,8 @@ static fixed_t *maskedtextureheight = NULL;
 static fixed_t *thicksidecol = NULL;
 static fixed_t *invscale = NULL;
 
+static boolean texcoltables;
+
 //SoM: 3/23/2000: Use boom opening limit removal
 static size_t numopenings;
 static INT16 *openings, *lastopening;
@@ -88,10 +89,6 @@ void R_ClearSegTables(void)
 	curtexturecolumntable = texturecolumntable;
 }
 
-// ==========================================================================
-// R_RenderMaskedSegRange
-// ==========================================================================
-
 transnum_t R_GetLinedefTransTable(fixed_t alpha)
 {
 	return (20*(FRACUNIT - alpha - 1) + FRACUNIT) >> (FRACBITS+1);
@@ -111,10 +108,12 @@ void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2)
 	INT32 times, repeats;
 	INT64 overflow_test;
 	INT32 range;
+	UINT8 vertflip;
 	unsigned lengthcol;
 
-	if (!cv_renderwalls.value)
-		return;
+	fixed_t wall_scaley;
+	fixed_t scalestep;
+	fixed_t scale1;
 
 	// Calculate light table.
 	// Use different light tables
@@ -163,9 +162,17 @@ void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2)
 		colfunc = colfuncs[COLDRAWFUNC_FUZZY];
 	}
 
-	fixed_t wall_scaley = sidedef->scaley_mid;
-	fixed_t scalestep = FixedDiv(ds->scalestep, wall_scaley);
-	fixed_t scale1 = FixedDiv(ds->scale1, wall_scaley);
+	vertflip = textures[texnum]->flip & 2;
+
+	wall_scaley = sidedef->scaley_mid;
+	if (wall_scaley < 0)
+	{
+		wall_scaley = -wall_scaley;
+		vertflip = !vertflip;
+	}
+
+	scalestep = FixedDiv(ds->scalestep, wall_scaley);
+	scale1 = FixedDiv(ds->scale1, wall_scaley);
 
 	range = max(ds->x2-ds->x1, 1);
 	rw_scalestep = scalestep;
@@ -174,7 +181,7 @@ void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2)
 	// Texture must be cached
 	R_CheckTextureCache(texnum);
 
-	if (textures[texnum]->flip & 2) // vertically flipped?
+	if (vertflip) // vertically flipped?
 		colfunc_2s = R_DrawFlippedMaskedColumn;
 	else
 		colfunc_2s = R_DrawMaskedColumn; // render the usual 2sided single-patch packed texture
@@ -470,6 +477,11 @@ static boolean R_IsFFloorTranslucent(visffloor_t *pfloor)
 	return false;
 }
 
+static fixed_t R_GetSlopeTextureSlide(pslope_t *slope, angle_t lineangle)
+{
+	return FixedMul(slope->zdelta, FINECOSINE((lineangle-slope->xydirection)>>ANGLETOFINESHIFT));
+}
+
 //
 // R_RenderThickSideRange
 // Renders all the thick sides in the given range.
@@ -494,19 +506,18 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 	INT64         top_frac, top_step, bottom_frac, bottom_step;
 	// skew FOF walls with slopes?
 	fixed_t       ffloortextureslide = 0;
-	INT32         oldx = -1;
+	fixed_t       oldtexturecolumn = -1;
 	fixed_t       left_top, left_bottom; // needed here for slope skewing
 	pslope_t      *skewslope = NULL;
 	boolean do_texture_skew;
 	boolean dont_peg_bottom;
+	fixed_t wall_offsetx;
 	fixed_t wall_scalex, wall_scaley;
+	UINT8 vertflip;
 	unsigned lengthcol;
 
 	void (*colfunc_2s) (column_t *, unsigned);
 
-	if (!cv_renderwalls.value)
-		return;
-
 	// Calculate light table.
 	// Use different light tables
 	//   for horizontal / vertical / diagonal. Diagonal?
@@ -515,15 +526,13 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 	curline = ds->curline;
 	backsector = pfloor->target;
 	frontsector = curline->frontsector == pfloor->target ? curline->backsector : curline->frontsector;
-	sidedef = &sides[pfloor->master->sidenum[0]];
+	sidedef = R_GetFFloorSide(curline, pfloor);
 
 	colfunc = colfuncs[BASEDRAWFUNC];
 
 	if (pfloor->master->flags & ML_TFERLINE)
 	{
-		size_t linenum = curline->linedef-backsector->lines[0];
-		line_t *newline = pfloor->master->frontsector->lines[0] + linenum;
-		sidedef = &sides[newline->sidenum[0]];
+		line_t *newline = R_GetFFloorLine(curline, pfloor);
 		do_texture_skew = newline->flags & ML_SKEWTD;
 		dont_peg_bottom = newline->flags & ML_DONTPEGBOTTOM;
 	}
@@ -534,6 +543,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 	}
 
 	texnum = R_GetTextureNum(sidedef->midtexture);
+	vertflip = textures[texnum]->flip & 2;
 
 	if (pfloor->fofflags & FOF_TRANSLUCENT)
 	{
@@ -687,18 +697,25 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 
 	wall_scalex = FixedDiv(FRACUNIT, sidedef->scalex_mid);
 	wall_scaley = sidedef->scaley_mid;
+	if (wall_scaley < 0)
+	{
+		wall_scaley = -wall_scaley;
+		vertflip = !vertflip;
+	}
 
 	thicksidecol = ffloortexturecolumn;
 
+	wall_offsetx = ds->offsetx + sidedef->offsetx_mid;
+
 	if (wall_scalex == FRACUNIT)
 	{
 		for (INT32 x = x1; x <= x2; x++)
-			thicksidecol[x] = ds->thicksidecol[x] + ds->offsetx;
+			thicksidecol[x] = ds->thicksidecol[x];
 	}
 	else
 	{
 		for (INT32 x = x1; x <= x2; x++)
-			thicksidecol[x] = FixedDiv(ds->thicksidecol[x], wall_scalex) + ds->offsetx;
+			thicksidecol[x] = FixedDiv(ds->thicksidecol[x], wall_scalex);
 	}
 
 	mfloorclip = ds->sprbottomclip;
@@ -733,7 +750,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 	if (skewslope)
 	{
 		angle_t lineangle = R_PointToAngle2(curline->v1->x, curline->v1->y, curline->v2->x, curline->v2->y);
-		ffloortextureslide = FixedMul(skewslope->zdelta, FINECOSINE((lineangle-skewslope->xydirection)>>ANGLETOFINESHIFT));
+		ffloortextureslide = FixedMul(R_GetSlopeTextureSlide(skewslope, lineangle), wall_scaley);
 	}
 
 	dc_texturemid += offsetvalue;
@@ -741,7 +758,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 	// Texture must be cached
 	R_CheckTextureCache(texnum);
 
-	if (textures[texnum]->flip & 2) // vertically flipped?
+	if (vertflip) // vertically flipped?
 		colfunc_2s = R_DrawRepeatFlippedMaskedColumn;
 	else
 		colfunc_2s = R_DrawRepeatMaskedColumn;
@@ -775,9 +792,9 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 		// skew FOF walls
 		if (ffloortextureslide)
 		{
-			if (oldx != -1)
-				dc_texturemid += FixedMul(ffloortextureslide, thicksidecol[oldx]-thicksidecol[dc_x]);
-			oldx = dc_x;
+			if (oldtexturecolumn != -1)
+				dc_texturemid += FixedMul(ffloortextureslide, oldtexturecolumn-ds->thicksidecol[dc_x]);
+			oldtexturecolumn = ds->thicksidecol[dc_x];
 		}
 
 		// Calculate bounds
@@ -814,7 +831,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 		dc_iscale = FixedMul(0xffffffffu / (unsigned)spryscale, wall_scaley);
 
 		// Get data for the column
-		col = R_GetColumn(texnum, (thicksidecol[dc_x] >> FRACBITS));
+		col = R_GetColumn(texnum, ((thicksidecol[dc_x] + wall_offsetx) >> FRACBITS));
 
 		// SoM: New code does not rely on R_DrawColumnShadowed_8 which
 		// will (hopefully) put less strain on the stack.
@@ -988,36 +1005,77 @@ static boolean R_FFloorCanClip(visffloor_t *pfloor)
 #define HEIGHTBITS              12
 #define HEIGHTUNIT              (1<<HEIGHTBITS)
 
+static void R_DrawRegularWall(UINT8 *source, INT32 height)
+{
+	dc_source = source;
+	dc_texheight = height;
+	colfunc();
+}
 
-//profile stuff ---------------------------------------------------------
-//#define TIMING
-#ifdef TIMING
-#include "p5prof.h"
-INT64 mycount;
-INT64 mytotal = 0;
-UINT32 nombre = 100000;
-//static   char runtest[10][80];
-#endif
-//profile stuff ---------------------------------------------------------
+static void R_DrawFlippedWall(UINT8 *source, INT32 height)
+{
+	dc_texheight = height;
+	R_DrawFlippedPost(source, (unsigned)height, colfunc);
+}
+
+static void R_DrawNoWall(UINT8 *source, INT32 height)
+{
+	(void)source;
+	(void)height;
+}
 
 static void R_RenderSegLoop (void)
 {
 	angle_t angle;
 	fixed_t textureoffset;
-	size_t  pindex;
-	INT32     yl;
-	INT32     yh;
+	size_t pindex;
+	INT32 yl;
+	INT32 yh;
 
-	INT32     mid;
+	INT32 mid;
 	fixed_t texturecolumn = 0;
 	fixed_t toptexturecolumn = 0;
 	fixed_t bottomtexturecolumn = 0;
 	fixed_t oldtexturecolumn = -1;
 	fixed_t oldtexturecolumn_top = -1;
 	fixed_t oldtexturecolumn_bottom = -1;
-	INT32     top;
-	INT32     bottom;
-	INT32     i;
+	INT32 top;
+	INT32 bottom;
+	INT32 i;
+
+	fixed_t topscaley = rw_toptexturescaley;
+	fixed_t midscaley = rw_midtexturescaley;
+	fixed_t bottomscaley = rw_bottomtexturescaley;
+
+	void (*drawtop)(UINT8 *, INT32) = R_DrawRegularWall;
+	void (*drawmiddle)(UINT8 *, INT32) = R_DrawRegularWall;
+	void (*drawbottom)(UINT8 *, INT32) = R_DrawRegularWall;
+
+	if (dc_numlights)
+		colfunc = colfuncs[COLDRAWFUNC_SHADOWED];
+
+	if (toptexture && topscaley < 0)
+	{
+		topscaley = -topscaley;
+		drawtop = R_DrawFlippedWall;
+	}
+	if (midtexture && midscaley < 0)
+	{
+		midscaley = -midscaley;
+		drawmiddle = R_DrawFlippedWall;
+	}
+	if (bottomtexture && bottomscaley < 0)
+	{
+		bottomscaley = -bottomscaley;
+		drawbottom = R_DrawFlippedWall;
+	}
+
+	if (!r_renderwalls)
+	{
+		drawtop = R_DrawNoWall;
+		drawmiddle = R_DrawNoWall;
+		drawbottom = R_DrawNoWall;
+	}
 
 	if (midtexture)
 		R_CheckTextureCache(midtexture);
@@ -1252,32 +1310,14 @@ static void R_RenderSegLoop (void)
 			// single sided line
 			if (yl <= yh && yh >= 0 && yl < viewheight)
 			{
-				if (cv_renderwalls.value)
-				{
-					fixed_t offset = texturecolumn + rw_offsetx;
-
-					dc_yl = yl;
-					dc_yh = yh;
-					dc_texturemid = rw_midtexturemid;
-					dc_iscale = FixedMul(0xffffffffu / (unsigned)rw_scale, rw_midtexturescaley);
-					dc_source = R_GetColumn(midtexture, offset >> FRACBITS)->pixels;
-					dc_texheight = textureheight[midtexture]>>FRACBITS;
-
-					//profile stuff ---------------------------------------------------------
-#ifdef TIMING
-					ProfZeroTimer();
-#endif
-					colfunc();
-#ifdef TIMING
-					RDMSR(0x10,&mycount);
-					mytotal += mycount;      //64bit add
-
-					if (nombre--==0)
-						I_Error("R_DrawColumn CPU Spy reports: 0x%d %d\n", *((INT32 *)&mytotal+1),
-							(INT32)mytotal);
-#endif
-					//profile stuff ---------------------------------------------------------
-				}
+				fixed_t offset = texturecolumn + rw_offsetx;
+
+				dc_yl = yl;
+				dc_yh = yh;
+				dc_texturemid = rw_midtexturemid;
+				dc_texheight = textureheight[midtexture]>>FRACBITS;
+				dc_iscale = FixedMul(0xffffffffu / (unsigned)rw_scale, midscaley);
+				drawmiddle(R_GetColumn(midtexture, offset >> FRACBITS)->pixels, dc_texheight);
 
 				// dont draw anything more for this column, since
 				// a midtexture blocks the view
@@ -1321,21 +1361,17 @@ static void R_RenderSegLoop (void)
 					}
 					else if (mid >= 0) // safe to draw top texture
 					{
-						if (cv_renderwalls.value)
-						{
-							fixed_t offset = rw_offset_top;
-							if (rw_toptexturescalex < 0)
-								offset = -offset;
-							offset = toptexturecolumn + offset;
-
-							dc_yl = yl;
-							dc_yh = mid;
-							dc_texturemid = rw_toptexturemid;
-							dc_iscale = FixedMul(0xffffffffu / (unsigned)rw_scale, rw_toptexturescaley);
-							dc_source = R_GetColumn(toptexture, offset >> FRACBITS)->pixels;
-							dc_texheight = textureheight[toptexture]>>FRACBITS;
-							colfunc();
-						}
+						fixed_t offset = rw_offset_top;
+						if (rw_toptexturescalex < 0)
+							offset = -offset;
+						offset = toptexturecolumn + offset;
+
+						dc_yl = yl;
+						dc_yh = mid;
+						dc_texturemid = rw_toptexturemid;
+						dc_texheight = textureheight[toptexture]>>FRACBITS;
+						dc_iscale = FixedMul(0xffffffffu / (unsigned)rw_scale, topscaley);
+						drawtop(R_GetColumn(toptexture, offset >> FRACBITS)->pixels, dc_texheight);
 						ceilingclip[rw_x] = (INT16)mid;
 					}
 					else if (!rw_ceilingmarked) // entirely off top of screen
@@ -1345,8 +1381,8 @@ static void R_RenderSegLoop (void)
 					ceilingclip[rw_x] = topclip;
 
 				if (oldtexturecolumn_top != -1)
-					rw_toptexturemid += FixedMul(rw_toptextureslide, oldtexturecolumn_top-toptexturecolumn);
-				oldtexturecolumn_top = toptexturecolumn;
+					rw_toptexturemid += FixedMul(rw_toptextureslide, oldtexturecolumn_top-textureoffset);
+				oldtexturecolumn_top = textureoffset;
 			}
 			else if (markceiling && (!rw_ceilingmarked)) // no top wall
 				ceilingclip[rw_x] = topclip;
@@ -1372,21 +1408,17 @@ static void R_RenderSegLoop (void)
 					}
 					else if (mid < viewheight) // safe to draw bottom texture
 					{
-						if (cv_renderwalls.value)
-						{
-							fixed_t offset = rw_offset_bottom;
-							if (rw_bottomtexturescalex < 0)
-								offset = -offset;
-							offset = bottomtexturecolumn + offset;
-
-							dc_yl = mid;
-							dc_yh = yh;
-							dc_texturemid = rw_bottomtexturemid;
-							dc_iscale = FixedMul(0xffffffffu / (unsigned)rw_scale, rw_bottomtexturescaley);
-							dc_source = R_GetColumn(bottomtexture, offset >> FRACBITS)->pixels;
-							dc_texheight = textureheight[bottomtexture]>>FRACBITS;
-							colfunc();
-						}
+						fixed_t offset = rw_offset_bottom;
+						if (rw_bottomtexturescalex < 0)
+							offset = -offset;
+						offset = bottomtexturecolumn + offset;
+
+						dc_yl = mid;
+						dc_yh = yh;
+						dc_texturemid = rw_bottomtexturemid;
+						dc_texheight = textureheight[bottomtexture]>>FRACBITS;
+						dc_iscale = FixedMul(0xffffffffu / (unsigned)rw_scale, bottomscaley);
+						drawbottom(R_GetColumn(bottomtexture, offset >> FRACBITS)->pixels, dc_texheight);
 						floorclip[rw_x] = (INT16)mid;
 					}
 					else if (!rw_floormarked)  // entirely off bottom of screen
@@ -1396,8 +1428,8 @@ static void R_RenderSegLoop (void)
 					floorclip[rw_x] = bottomclip;
 
 				if (oldtexturecolumn_bottom != -1)
-					rw_bottomtexturemid += FixedMul(rw_bottomtextureslide, oldtexturecolumn_bottom-bottomtexturecolumn);
-				oldtexturecolumn_bottom = bottomtexturecolumn;
+					rw_bottomtexturemid += FixedMul(rw_bottomtextureslide, oldtexturecolumn_bottom-textureoffset);
+				oldtexturecolumn_bottom = textureoffset;
 			}
 			else if (markfloor && (!rw_floormarked)) // no bottom wall
 				floorclip[rw_x] = bottomclip;
@@ -1421,11 +1453,14 @@ static void R_RenderSegLoop (void)
 		{
 			if (oldtexturecolumn != -1)
 			{
-				rw_midtexturemid += FixedMul(rw_midtextureslide, oldtexturecolumn-texturecolumn);
-				rw_midtextureback += FixedMul(rw_midtexturebackslide, oldtexturecolumn-texturecolumn);
+				INT32 diff = oldtexturecolumn-textureoffset;
+				if (rw_invmidtexturescalex < 0)
+					diff = -diff;
+				rw_midtexturemid += FixedMul(rw_midtextureslide, diff);
+				rw_midtextureback += FixedMul(rw_midtexturebackslide, diff);
 			}
 
-			oldtexturecolumn = texturecolumn;
+			oldtexturecolumn = textureoffset;
 		}
 
 		if (invscale)
@@ -1519,7 +1554,7 @@ static void R_AllocClippingTables(size_t range)
 static void R_AllocTextureColumnTables(size_t range)
 {
 	size_t pos = curtexturecolumntable - texturecolumntable;
-	size_t need = range * 3;
+	size_t need = range * 4;
 
 	if (pos + need < texturecolumntablesize)
 		return;
@@ -1540,15 +1575,48 @@ static void R_AllocTextureColumnTables(size_t range)
 	for (drawseg_t *ds = drawsegs; ds < ds_p; ds++)
 	{
 		// Check if it's in range of the tables
-		if (ds->maskedtexturecol + ds->x1 >= oldtable && ds->maskedtexturecol + ds->x1 <= oldlast)
-			ds->maskedtexturecol = (ds->maskedtexturecol - oldtable) + texturecolumntable;
-		if (ds->thicksidecol + ds->x1 >= oldtable && ds->thicksidecol + ds->x1 <= oldlast)
-			ds->thicksidecol = (ds->thicksidecol - oldtable) + texturecolumntable;
-		if (ds->invscale + ds->x1 >= oldtable && ds->invscale + ds->x1 <= oldlast)
-			ds->invscale = (ds->invscale - oldtable) + texturecolumntable;
+#define CHECK(which) \
+		if (which + ds->x1 >= oldtable && which + ds->x1 <= oldlast) \
+			which = (which - oldtable) + texturecolumntable
+
+		CHECK(ds->maskedtexturecol);
+		CHECK(ds->maskedtextureheight);
+		CHECK(ds->thicksidecol);
+		CHECK(ds->invscale);
+
+#undef CHECK
 	}
 }
 
+//
+// R_ScaleFromGlobalAngle
+// Returns the texture mapping scale for the current line (horizontal span)
+//  at the given angle.
+// rw_distance must be calculated first.
+//
+// killough 5/2/98: reformatted, cleaned up
+//
+// note: THIS IS USED ONLY FOR WALLS!
+static fixed_t R_ScaleFromGlobalAngle(angle_t visangle)
+{
+	angle_t anglea = ANGLE_90 + (visangle-viewangle);
+	angle_t angleb = ANGLE_90 + (visangle-rw_normalangle);
+	fixed_t den = FixedMul(rw_distance, FINESINE(anglea>>ANGLETOFINESHIFT));
+	// proff 11/06/98: Changed for high-res
+	fixed_t num = FixedMul(projectiony, FINESINE(angleb>>ANGLETOFINESHIFT));
+
+	if (den > num>>16)
+	{
+		num = FixedDiv(num, den);
+		if (num > 64*FRACUNIT)
+			return 64*FRACUNIT;
+		if (num < 256)
+			return 256;
+		return num;
+	}
+	return 64*FRACUNIT;
+}
+
 //
 // R_StoreWallRange
 // A wall segment will be drawn
@@ -1720,11 +1788,14 @@ void R_StoreWallRange(INT32 start, INT32 stop)
 
 	midtexture = toptexture = bottomtexture = maskedtexture = 0;
 	ds_p->maskedtexturecol = NULL;
+	ds_p->maskedtextureheight = NULL;
 	ds_p->numthicksides = numthicksides = 0;
 	ds_p->thicksidecol = NULL;
 	ds_p->invscale = NULL;
 	ds_p->tsilheight = 0;
 
+	texcoltables = false;
+
 	numbackffloors = 0;
 
 	for (i = 0; i < MAXFFLOORS; i++)
@@ -1750,16 +1821,19 @@ void R_StoreWallRange(INT32 start, INT32 stop)
 		angle_t lineangle = R_PointToAngle2(curline->v1->x, curline->v1->y, curline->v2->x, curline->v2->y);
 
 		if (frontsector->f_slope)
-			floorfrontslide = FixedMul(frontsector->f_slope->zdelta, FINECOSINE((lineangle-frontsector->f_slope->xydirection)>>ANGLETOFINESHIFT));
+			floorfrontslide = R_GetSlopeTextureSlide(frontsector->f_slope, lineangle);
 
 		if (frontsector->c_slope)
-			ceilingfrontslide = FixedMul(frontsector->c_slope->zdelta, FINECOSINE((lineangle-frontsector->c_slope->xydirection)>>ANGLETOFINESHIFT));
+			ceilingfrontslide = R_GetSlopeTextureSlide(frontsector->c_slope, lineangle);
 
-		if (backsector && backsector->f_slope)
-			floorbackslide = FixedMul(backsector->f_slope->zdelta, FINECOSINE((lineangle-backsector->f_slope->xydirection)>>ANGLETOFINESHIFT));
+		if (backsector)
+		{
+			if (backsector->f_slope)
+				floorbackslide = R_GetSlopeTextureSlide(backsector->f_slope, lineangle);
 
-		if (backsector && backsector->c_slope)
-			ceilingbackslide = FixedMul(backsector->c_slope->zdelta, FINECOSINE((lineangle-backsector->c_slope->xydirection)>>ANGLETOFINESHIFT));
+			if (backsector->c_slope)
+				ceilingbackslide = R_GetSlopeTextureSlide(backsector->c_slope, lineangle);
+		}
 	}
 
 	rw_midtexturescalex = sidedef->scalex_mid;
@@ -1775,26 +1849,27 @@ void R_StoreWallRange(INT32 start, INT32 stop)
 
 		fixed_t rowoffset = sidedef->rowoffset + sidedef->offsety_mid;
 		fixed_t texheight = textureheight[midtexture];
+		fixed_t scaley = abs(rw_midtexturescaley);
 
 		if (rw_midtexturescaley > 0)
 		{
 			if (linedef->flags & ML_NOSKEW)
 			{
 				if (linedef->flags & ML_DONTPEGBOTTOM)
-					rw_midtexturemid = FixedMul(frontsector->floorheight - viewz, rw_midtexturescaley) + texheight;
+					rw_midtexturemid = FixedMul(frontsector->floorheight - viewz, scaley) + texheight;
 				else
-					rw_midtexturemid = FixedMul(frontsector->ceilingheight - viewz, rw_midtexturescaley);
+					rw_midtexturemid = FixedMul(frontsector->ceilingheight - viewz, scaley);
 			}
 			else if (linedef->flags & ML_DONTPEGBOTTOM)
 			{
-				rw_midtexturemid = FixedMul(worldbottom, rw_midtexturescaley) + texheight;
-				rw_midtextureslide = floorfrontslide;
+				rw_midtexturemid = FixedMul(worldbottom, scaley) + texheight;
+				rw_midtextureslide = FixedMul(floorfrontslide, scaley);
 			}
 			else
 			{
 				// top of texture at top
-				rw_midtexturemid = FixedMul(worldtop, rw_midtexturescaley);
-				rw_midtextureslide = ceilingfrontslide;
+				rw_midtexturemid = FixedMul(worldtop, scaley);
+				rw_midtextureslide = FixedMul(ceilingfrontslide, scaley);
 			}
 		}
 		else
@@ -1805,20 +1880,20 @@ void R_StoreWallRange(INT32 start, INT32 stop)
 			if (linedef->flags & ML_NOSKEW)
 			{
 				if (linedef->flags & ML_DONTPEGBOTTOM)
-					rw_midtexturemid = FixedMul(frontsector->floorheight - viewz, rw_midtexturescaley);
+					rw_midtexturemid = FixedMul(frontsector->floorheight - viewz, scaley);
 				else
-					rw_midtexturemid = FixedMul(frontsector->ceilingheight - viewz, rw_midtexturescaley) + texheight;
+					rw_midtexturemid = FixedMul(frontsector->ceilingheight - viewz, scaley) + texheight;
 			}
 			else if (linedef->flags & ML_DONTPEGBOTTOM)
 			{
-				rw_midtexturemid = FixedMul(worldbottom, rw_midtexturescaley);
-				rw_midtextureslide = floorfrontslide;
+				rw_midtexturemid = FixedMul(worldbottom, scaley);
+				rw_midtextureslide = FixedMul(floorfrontslide, scaley);
 			}
 			else
 			{
 				// top of texture at top
-				rw_midtexturemid = FixedMul(worldtop, rw_midtexturescaley) + texheight;
-				rw_midtextureslide = ceilingfrontslide;
+				rw_midtexturemid = FixedMul(worldtop, scaley) + texheight;
+				rw_midtextureslide = FixedMul(ceilingfrontslide, scaley);
 			}
 		}
 
@@ -2027,15 +2102,16 @@ void R_StoreWallRange(INT32 start, INT32 stop)
 			{
 				// top of texture at top
 				rw_toptexturemid = worldtop;
-				rw_toptextureslide = ceilingfrontslide;
+				rw_toptextureslide = FixedMul(ceilingfrontslide, abs(rw_toptexturescaley));
 			}
 			else
 			{
 				rw_toptexturemid = worldhigh + texheight;
-				rw_toptextureslide = ceilingbackslide;
+				rw_toptextureslide = FixedMul(ceilingbackslide, abs(rw_toptexturescaley));
 			}
 
-			rw_toptexturemid = FixedMul(rw_toptexturemid, rw_toptexturescaley);
+			rw_toptexturemid = FixedMul(rw_toptexturemid, abs(rw_toptexturescaley));
+			rw_toptexturemid += toprowoffset;
 		}
 
 		// check BOTTOM TEXTURE
@@ -2066,24 +2142,24 @@ void R_StoreWallRange(INT32 start, INT32 stop)
 				// bottom of texture at bottom
 				// top of texture at top
 				rw_bottomtexturemid = worldbottom;
-				rw_bottomtextureslide = floorfrontslide;
+				rw_bottomtextureslide = FixedMul(floorfrontslide, abs(rw_bottomtexturescaley));
 			}
 			else
 			{
 				// top of texture at top
 				rw_bottomtexturemid = worldlow;
-				rw_bottomtextureslide = floorbackslide;
+				rw_bottomtextureslide = FixedMul(floorbackslide, abs(rw_bottomtexturescaley));
 			}
 
-			rw_bottomtexturemid = FixedMul(rw_bottomtexturemid, rw_bottomtexturescaley);
+			rw_bottomtexturemid = FixedMul(rw_bottomtexturemid, abs(rw_bottomtexturescaley));
+			rw_bottomtexturemid += botrowoffset;
 		}
 
-		rw_toptexturemid += toprowoffset;
-		rw_bottomtexturemid += botrowoffset;
-
 		// allocate space for masked texture tables
 		R_AllocTextureColumnTables(rw_stopx - start);
 
+		texcoltables = true;
+
 		if (frontsector && backsector && !Tag_Compare(&frontsector->tags, &backsector->tags) && (backsector->ffloors || frontsector->ffloors))
 		{
 			ffloor_t *rover;
@@ -2282,7 +2358,8 @@ void R_StoreWallRange(INT32 start, INT32 stop)
 			ds_p->maskedtexturecol = maskedtexturecol = curtexturecolumntable - rw_x;
 			curtexturecolumntable += rw_stopx - rw_x;
 
-			maskedtextureheight = ds_p->maskedtextureheight; // note to red, this == &(ds_p->maskedtextureheight[0])
+			ds_p->maskedtextureheight = maskedtextureheight = curtexturecolumntable - rw_x;
+			curtexturecolumntable += rw_stopx - rw_x;
 
 			maskedtexture = true;
 
@@ -2324,13 +2401,14 @@ void R_StoreWallRange(INT32 start, INT32 stop)
 				}
 			}
 
-			rw_midtexturemid = FixedMul(rw_midtexturemid, rw_midtexturescaley);
-			rw_midtextureback = FixedMul(rw_midtextureback, rw_midtexturescaley);
+			rw_midtexturemid = FixedMul(rw_midtexturemid, abs(rw_midtexturescaley));
+			rw_midtextureback = FixedMul(rw_midtextureback, abs(rw_midtexturescaley));
+
+			rw_midtextureslide = FixedMul(rw_midtextureslide, abs(rw_midtexturescaley));
+			rw_midtexturebackslide = FixedMul(rw_midtexturebackslide, abs(rw_midtexturescaley));
 
 			rw_midtexturemid += sidedef->rowoffset + sidedef->offsety_mid;
 			rw_midtextureback += sidedef->rowoffset + sidedef->offsety_mid;
-
-			maskedtexture = true;
 		}
 	}
 
diff --git a/src/r_skins.c b/src/r_skins.c
index 6b4aeefe1726e46ee3f169540d5e87ad15dc271e..2029b4effb7184339f8ea2a906f28d0604447320 100644
--- a/src/r_skins.c
+++ b/src/r_skins.c
@@ -376,7 +376,7 @@ static void SetSkin(player_t *player, INT32 skinnum)
 		player->mo->skin = skin;
 		if (newcolor)
 			player->mo->color = newcolor;
-		P_SetScale(player->mo, player->mo->scale);
+		P_SetScale(player->mo, player->mo->scale, false);
 		player->mo->radius = radius;
 
 		P_SetMobjState(player->mo, player->mo->state-states); // Prevent visual errors when switching between skins with differing number of frames
diff --git a/src/r_things.c b/src/r_things.c
index cede03b80853de926e1b23d151d573a954930f6e..249e719bf1dfd141b20471757e96dbf67d17082b 100644
--- a/src/r_things.c
+++ b/src/r_things.c
@@ -658,12 +658,31 @@ void R_DrawMaskedColumn(column_t *column, unsigned lengthcol)
 static UINT8 *flippedcol = NULL;
 static size_t flippedcolsize = 0;
 
+void R_DrawFlippedPost(UINT8 *source, unsigned length, void (*drawcolfunc)(void))
+{
+	if (!length)
+		return;
+
+	if (!flippedcolsize || length > flippedcolsize)
+	{
+		flippedcolsize = length;
+		flippedcol = Z_Realloc(flippedcol, length, PU_STATIC, NULL);
+	}
+
+	dc_source = flippedcol;
+
+	for (UINT8 *s = (UINT8 *)source, *d = flippedcol+length-1; d >= flippedcol; s++)
+		*d-- = *s;
+
+	drawcolfunc();
+}
+
 void R_DrawFlippedMaskedColumn(column_t *column, unsigned lengthcol)
 {
 	INT32 topscreen;
 	INT32 bottomscreen;
 	fixed_t basetexturemid = dc_texturemid;
-	UINT8 *d,*s;
+	INT32 topdelta;
 
 	for (unsigned i = 0; i < column->num_posts; i++)
 	{
@@ -671,7 +690,7 @@ void R_DrawFlippedMaskedColumn(column_t *column, unsigned lengthcol)
 		if (!post->length)
 			continue;
 
-		INT32 topdelta = lengthcol-post->length-post->topdelta;
+		topdelta = lengthcol-post->length-post->topdelta;
 		topscreen = sprtopscreen + spryscale*topdelta;
 		bottomscreen = sprbotscreen == INT32_MAX ? topscreen + spryscale*post->length
 		                                      : sprbotscreen + spryscale*post->length;
@@ -698,18 +717,9 @@ void R_DrawFlippedMaskedColumn(column_t *column, unsigned lengthcol)
 
 		if (dc_yl <= dc_yh && dc_yh > 0)
 		{
-			if (post->length > flippedcolsize)
-			{
-				flippedcolsize = post->length;
-				flippedcol = Z_Realloc(flippedcol, flippedcolsize, PU_STATIC, NULL);
-			}
-
-			for (s = column->pixels+post->data_offset+post->length, d = flippedcol; d < flippedcol+post->length; --s)
-				*d++ = *s;
-			dc_source = flippedcol;
 			dc_texturemid = basetexturemid - (topdelta<<FRACBITS);
 
-			colfunc();
+			R_DrawFlippedPost(column->pixels + post->data_offset, post->length, colfunc);
 		}
 	}
 
@@ -1536,7 +1546,7 @@ static void R_ProjectSprite(mobj_t *thing)
 	// uncapped/interpolation
 	interpmobjstate_t interp = {0};
 
-	if (!cv_renderthings.value)
+	if (!r_renderthings)
 		return;
 
 	// do interpolation
@@ -2698,7 +2708,7 @@ static void R_CreateDrawNodes(maskcount_t* mask, drawnode_t* head, boolean temps
 	// Add the 3D floors, thicksides, and masked textures...
 	for (ds = drawsegs + mask->drawsegs[1]; ds-- > drawsegs + mask->drawsegs[0];)
 	{
-		if (ds->numthicksides)
+		if (ds->numthicksides && r_renderwalls)
 		{
 			for (i = 0; i < ds->numthicksides; i++)
 			{
@@ -2717,17 +2727,19 @@ static void R_CreateDrawNodes(maskcount_t* mask, drawnode_t* head, boolean temps
 			else {
 				// Put it in!
 				entry = R_CreateDrawNode(head);
-				entry->plane = plane;
-				entry->seg = ds;
+				if (r_renderwalls)
+					entry->seg = ds;
+				if (r_renderfloors)
+					entry->plane = plane;
 			}
 			ds->curline->polyseg->visplane = NULL;
 		}
-		if (ds->maskedtexturecol)
+		if (ds->maskedtexturecol && r_renderwalls)
 		{
 			entry = R_CreateDrawNode(head);
 			entry->seg = ds;
 		}
-		if (ds->numffloorplanes)
+		if (ds->numffloorplanes && r_renderfloors)
 		{
 			for (i = 0; i < ds->numffloorplanes; i++)
 			{
@@ -3194,9 +3206,6 @@ static void R_ClipVisSprite(vissprite_t *spr, INT32 x1, INT32 x2, portal_t* port
 				(lowscale < spr->sortscale &&
 				 !R_PointOnSegSide (spr->gx, spr->gy, ds->curline)))
 			{
-				// masked mid texture?
-				/*if (ds->maskedtexturecol)
-					R_RenderMaskedSegRange (ds, r1, r2);*/
 				// seg is behind sprite
 				continue;
 			}
diff --git a/src/r_things.h b/src/r_things.h
index 268e5562bc085fed48706209218647e53a493e50..19bf7e34f7ee273faa2767aa0dd13642368860b7 100644
--- a/src/r_things.h
+++ b/src/r_things.h
@@ -48,6 +48,7 @@ extern fixed_t windowbottom;
 
 void R_DrawMaskedColumn(column_t *column, unsigned lengthcol);
 void R_DrawFlippedMaskedColumn(column_t *column, unsigned lengthcol);
+void R_DrawFlippedPost(UINT8 *source, unsigned length, void (*drawcolfunc)(void));
 
 // ----------------
 // SPRITE RENDERING
diff --git a/src/screen.c b/src/screen.c
index 813ed91c665eeddc0e5b235c5bfec05bb78425be..9a82a15618a4045d651d10aae38a8e963b6711a5 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -72,11 +72,6 @@ consvar_t cv_scr_width_w = CVAR_INIT ("scr_width_w", "640", CV_SAVE, CV_Unsigned
 consvar_t cv_scr_height_w = CVAR_INIT ("scr_height_w", "400", CV_SAVE, CV_Unsigned, NULL);
 consvar_t cv_scr_depth = CVAR_INIT ("scr_depth", "16 bits", CV_SAVE, scr_depth_cons_t, NULL);
 
-consvar_t cv_renderview = CVAR_INIT ("renderview", "On", 0, CV_OnOff, NULL);
-consvar_t cv_renderwalls = CVAR_INIT ("renderwalls", "On", CV_NOTINNET|CV_CHEAT, CV_OnOff, NULL);
-consvar_t cv_renderfloors = CVAR_INIT ("renderfloors", "On", CV_NOTINNET|CV_CHEAT, CV_OnOff, NULL);
-consvar_t cv_renderthings = CVAR_INIT ("renderthings", "On", CV_NOTINNET|CV_CHEAT, CV_OnOff, NULL);
-
 CV_PossibleValue_t cv_renderer_t[] = {
 	{1, "Software"},
 #ifdef HWRENDER
diff --git a/src/screen.h b/src/screen.h
index 5df5d28892d08713bdf9a7ef2b94665c8f151a4b..8b952e553a18c30f9cbdaf323bdbc01aa11f0fe4 100644
--- a/src/screen.h
+++ b/src/screen.h
@@ -157,9 +157,7 @@ extern CV_PossibleValue_t cv_renderer_t[];
 extern INT32 scr_bpp;
 
 extern consvar_t cv_scr_width, cv_scr_height, cv_scr_width_w, cv_scr_height_w, cv_scr_depth, cv_fullscreen;
-extern consvar_t cv_renderwalls, cv_renderfloors, cv_renderthings;
-extern consvar_t cv_renderview, cv_renderer;
-extern consvar_t cv_renderhitbox, cv_renderhitboxinterpolation, cv_renderhitboxgldepth;
+extern consvar_t cv_renderer;
 // wait for page flipping to end or not
 extern consvar_t cv_vidwait;
 extern consvar_t cv_timescale;
diff --git a/src/st_stuff.c b/src/st_stuff.c
index b3e392499e7db22dd027ead283b82de5b5a1ed25..083bb52243be4e69bfaa1faffc51d96cec1d620a 100644
--- a/src/st_stuff.c
+++ b/src/st_stuff.c
@@ -1171,8 +1171,10 @@ static void ST_drawInput(void)
 	V_DrawFill(x+16+(xoffs), y+(yoffs)-offs, 10, 10, col);\
 	V_DrawCharacter(x+16+1+(xoffs), y+1+(yoffs)-offs, hudinfo[HUD_INPUT].f|symb, false)
 
-	drawbutt( 4,-3, BT_JUMP, 'J');
-	drawbutt(15,-3, BT_SPIN, 'S');
+	drawbutt( 4,-3, BT_JUMP,   'J' );
+	drawbutt(15,-3, BT_SPIN,   'S' );
+	drawbutt(26,-3, BT_SHIELD, '\0'); // Instead of a wide 'J' or 'S', we'll draw a thin "SH" for Shield
+	V_DrawThinString(x+16+26, y+2+(-3)-offs, hudinfo[HUD_LIVES].f, "SH");
 
 	V_DrawFill(x+16+4, y+8, 21, 10, hudinfo[HUD_INPUT].f|20); // sundial backing
 	if (stplyr->mo)
diff --git a/src/y_inter.c b/src/y_inter.c
index bb4fa06907785c9b193881cfde8b0c4d8bfd18f8..2add8645b0888ea460419b0165abeca702d6e29b 100644
--- a/src/y_inter.c
+++ b/src/y_inter.c
@@ -579,9 +579,9 @@ void Y_IntermissionDrawer(void)
 		{
 			if (LUA_HudEnabled(hud_intermissiontitletext))
 			{
-				const char *ringtext = "\x82" "get 50 rings then";
+				const char *ringtext = "\x82" "get 50 rings, then";
 				const char *tut1text = "\x82" "press " "\x80" "shield";
-				const char *tut2text = "\x82" "to " "\x80" "transform";
+				const char *tut2text = "\x82" "to transform";
 				ttheight = 8;
 				V_DrawLevelTitle(data.spec.passedx1 + xoffset1, ttheight, 0, data.spec.passed1);
 				ttheight += V_LevelNameHeight(data.spec.passed3) + 2;