diff --git a/doc/specs/udmf_srb2.txt b/doc/specs/udmf_srb2.txt
index d6d71a0d5f7217482422799a4e521714e604b204..eaa3a8a9704439b72569aee0a0c4db956e8d8482 100644
--- a/doc/specs/udmf_srb2.txt
+++ b/doc/specs/udmf_srb2.txt
@@ -1,5 +1,5 @@
 ===============================================================================
-Universal Doom Map Format Sonic Robo Blast 2 extensions v1.0 19.02.2024
+Universal Doom Map Format Sonic Robo Blast 2 extensions v1.0 19.06.2024
 
     Copyright (c) 2024 Sonic Team Junior
        uses Universal Doom Map Format Specification v1.1 as a template,
@@ -143,6 +143,9 @@ Sonic Robo Blast 2 defines the following standardized fields:
       offsetx_bottom = <float>;        // X offset for lower texture. Default = 0.0.
       offsety_bottom = <float>;        // Y offset for lower texture. Default = 0.0.
 
+      light = <integer>;               // Light level, relative to 'sector' light level. Default = 0.
+      lightabsolute = <bool>;          // true = 'light' is an absolute value, ignoring 'sector' light level.
+
       comment = <string>; // A comment. Implementors should attach no special
                           // semantic meaning to this field.
    }
diff --git a/extras/conf/udb/Includes/SRB222_common.cfg b/extras/conf/udb/Includes/SRB222_common.cfg
index 90c85cdea40827970a7b44222e9a2f6a5e2668f6..e5cafead431c0d79eaaef734eee008eeab89dd15 100644
--- a/extras/conf/udb/Includes/SRB222_common.cfg
+++ b/extras/conf/udb/Includes/SRB222_common.cfg
@@ -115,7 +115,7 @@ mapformat_udmf
 
 	// Enables setting distinct brightness for floor, ceiling, and walls
 	distinctfloorandceilingbrightness = true;
-	distinctwallbrightness = false;
+	distinctwallbrightness = true;
 
 	// Enables setting distinct brightness for upper, middle, and lower sidedef parts
 	distinctsidedefpartbrightness = false;
diff --git a/extras/conf/udb/Includes/SRB222_misc.cfg b/extras/conf/udb/Includes/SRB222_misc.cfg
index 37b01d7dd56eadaeb1eb3ae4759fb74efc79e61f..c37c29ce0def1f471565d7d4494ac7ab833eb054 100644
--- a/extras/conf/udb/Includes/SRB222_misc.cfg
+++ b/extras/conf/udb/Includes/SRB222_misc.cfg
@@ -280,18 +280,18 @@ universalfields
 			default = "";
 		}
 		
-		//light
-		//{
-		//	type = 0;
-		//	default = 0;
-		//}
-		//
-		//lightabsolute
-		//{
-		//	type = 3;
-		//	default = false;
-		//}
-		//
+		light
+		{
+			type = 0;
+			default = 0;
+		}
+		
+		lightabsolute
+		{
+			type = 3;
+			default = false;
+		}
+		
 		//light_top
 		//{
 		//	type = 0;
diff --git a/src/apng.c b/src/apng.c
index 11d3ab9f58ea9c26530374b7b18d8454fd367ed8..cfb1473a40269703985bc727cafd5f27f2c14f02 100644
--- a/src/apng.c
+++ b/src/apng.c
@@ -71,7 +71,7 @@ apng_create_info_struct (png_structp pngp)
 {
 	apng_infop ainfop;
 	(void)pngp;
-	if (( ainfop = calloc(sizeof (apng_info),1) ))
+	if (( ainfop = calloc(1,sizeof (apng_info)) ))
 	{
 		apng_set_write_fn(pngp, ainfop, 0, 0, 0, 0, 0);
 		apng_set_set_acTL_fn(pngp, ainfop, 0);
diff --git a/src/byteptr.h b/src/byteptr.h
index 8ab359c4c4d9d00a0f613a86588b96a46112cd68..4377fae571a59f67b70a9410a44ea851e534e400 100644
--- a/src/byteptr.h
+++ b/src/byteptr.h
@@ -11,9 +11,6 @@
 /// \brief Macros to read/write from/to a UINT8 *,
 ///        used for packet creation and such
 
-#if defined (__alpha__) || defined (__arm__) || defined (__mips__) || defined (__ia64__) || defined (__clang__)
-#define DEALIGNED
-#endif
 
 #include "endian.h"
 
@@ -21,7 +18,6 @@
 //
 // Little-endian machines
 //
-#ifdef DEALIGNED
 #define WRITEUINT8(p,b)     do {   UINT8 *p_tmp = (void *)p; const   UINT8 tv = (  UINT8)(b); memcpy(p, &tv, sizeof(  UINT8)); p_tmp++; p = (void *)p_tmp; } while (0)
 #define WRITESINT8(p,b)     do {   SINT8 *p_tmp = (void *)p; const   SINT8 tv = (  UINT8)(b); memcpy(p, &tv, sizeof(  UINT8)); p_tmp++; p = (void *)p_tmp; } while (0)
 #define WRITEINT16(p,b)     do {   INT16 *p_tmp = (void *)p; const   INT16 tv = (  INT16)(b); memcpy(p, &tv, sizeof(  INT16)); p_tmp++; p = (void *)p_tmp; } while (0)
@@ -31,20 +27,8 @@
 #define WRITECHAR(p,b)      do {    char *p_tmp = (void *)p; const    char tv = (   char)(b); memcpy(p, &tv, sizeof(   char)); p_tmp++; p = (void *)p_tmp; } while (0)
 #define WRITEFIXED(p,b)     do { fixed_t *p_tmp = (void *)p; const fixed_t tv = (fixed_t)(b); memcpy(p, &tv, sizeof(fixed_t)); p_tmp++; p = (void *)p_tmp; } while (0)
 #define WRITEANGLE(p,b)     do { angle_t *p_tmp = (void *)p; const angle_t tv = (angle_t)(b); memcpy(p, &tv, sizeof(angle_t)); p_tmp++; p = (void *)p_tmp; } while (0)
-#else
-#define WRITEUINT8(p,b)     do {   UINT8 *p_tmp = (  UINT8 *)p; *p_tmp = (  UINT8)(b); p_tmp++; p = (void *)p_tmp; } while (0)
-#define WRITESINT8(p,b)     do {   SINT8 *p_tmp = (  SINT8 *)p; *p_tmp = (  SINT8)(b); p_tmp++; p = (void *)p_tmp; } while (0)
-#define WRITEINT16(p,b)     do {   INT16 *p_tmp = (  INT16 *)p; *p_tmp = (  INT16)(b); p_tmp++; p = (void *)p_tmp; } while (0)
-#define WRITEUINT16(p,b)    do {  UINT16 *p_tmp = ( UINT16 *)p; *p_tmp = ( UINT16)(b); p_tmp++; p = (void *)p_tmp; } while (0)
-#define WRITEINT32(p,b)     do {   INT32 *p_tmp = (  INT32 *)p; *p_tmp = (  INT32)(b); p_tmp++; p = (void *)p_tmp; } while (0)
-#define WRITEUINT32(p,b)    do {  UINT32 *p_tmp = ( UINT32 *)p; *p_tmp = ( UINT32)(b); p_tmp++; p = (void *)p_tmp; } while (0)
-#define WRITECHAR(p,b)      do {    char *p_tmp = (   char *)p; *p_tmp = (   char)(b); p_tmp++; p = (void *)p_tmp; } while (0)
-#define WRITEFIXED(p,b)     do { fixed_t *p_tmp = (fixed_t *)p; *p_tmp = (fixed_t)(b); p_tmp++; p = (void *)p_tmp; } while (0)
-#define WRITEANGLE(p,b)     do { angle_t *p_tmp = (angle_t *)p; *p_tmp = (angle_t)(b); p_tmp++; p = (void *)p_tmp; } while (0)
-#endif
 
 #ifdef __GNUC__
-#ifdef DEALIGNED
 #define READUINT8(p)        ({   UINT8 *p_tmp = (void *)p;   UINT8 b; memcpy(&b, p, sizeof(  UINT8)); p_tmp++; p = (void *)p_tmp; b; })
 #define READSINT8(p)        ({   SINT8 *p_tmp = (void *)p;   SINT8 b; memcpy(&b, p, sizeof(  SINT8)); p_tmp++; p = (void *)p_tmp; b; })
 #define READINT16(p)        ({   INT16 *p_tmp = (void *)p;   INT16 b; memcpy(&b, p, sizeof(  INT16)); p_tmp++; p = (void *)p_tmp; b; })
@@ -55,17 +39,6 @@
 #define READFIXED(p)        ({ fixed_t *p_tmp = (void *)p; fixed_t b; memcpy(&b, p, sizeof(fixed_t)); p_tmp++; p = (void *)p_tmp; b; })
 #define READANGLE(p)        ({ angle_t *p_tmp = (void *)p; angle_t b; memcpy(&b, p, sizeof(angle_t)); p_tmp++; p = (void *)p_tmp; b; })
 #else
-#define READUINT8(p)        ({   UINT8 *p_tmp = (  UINT8 *)p;   UINT8 b = *p_tmp; p_tmp++; p = (void *)p_tmp; b; })
-#define READSINT8(p)        ({   SINT8 *p_tmp = (  SINT8 *)p;   SINT8 b = *p_tmp; p_tmp++; p = (void *)p_tmp; b; })
-#define READINT16(p)        ({   INT16 *p_tmp = (  INT16 *)p;   INT16 b = *p_tmp; p_tmp++; p = (void *)p_tmp; b; })
-#define READUINT16(p)       ({  UINT16 *p_tmp = ( UINT16 *)p;  UINT16 b = *p_tmp; p_tmp++; p = (void *)p_tmp; b; })
-#define READINT32(p)        ({   INT32 *p_tmp = (  INT32 *)p;   INT32 b = *p_tmp; p_tmp++; p = (void *)p_tmp; b; })
-#define READUINT32(p)       ({  UINT32 *p_tmp = ( UINT32 *)p;  UINT32 b = *p_tmp; p_tmp++; p = (void *)p_tmp; b; })
-#define READCHAR(p)         ({    char *p_tmp = (   char *)p;    char b = *p_tmp; p_tmp++; p = (void *)p_tmp; b; })
-#define READFIXED(p)        ({ fixed_t *p_tmp = (fixed_t *)p; fixed_t b = *p_tmp; p_tmp++; p = (void *)p_tmp; b; })
-#define READANGLE(p)        ({ angle_t *p_tmp = (angle_t *)p; angle_t b = *p_tmp; p_tmp++; p = (void *)p_tmp; b; })
-#endif
-#else
 #define READUINT8(p)        *((  UINT8 *)p)++
 #define READSINT8(p)        *((  SINT8 *)p)++
 #define READINT16(p)        *((  INT16 *)p)++
@@ -148,8 +121,6 @@ FUNCINLINE static ATTRINLINE UINT32 readulong(void *ptr)
 #define READANGLE(p)        ({ angle_t *p_tmp = (angle_t *)p; angle_t b =  readulong(p); p_tmp++; p = (void *)p_tmp; b; })
 #endif //SRB2_BIG_ENDIAN
 
-#undef DEALIGNED
-
 #define WRITESTRINGN(p, s, n) {                            \
 	size_t tmp_i;                                           \
                                                             \
diff --git a/src/command.c b/src/command.c
index a46cc98bcde4ad01557a31e439994135341a5c06..e0156274ea12353809653fd64e50a9205ee32d29 100644
--- a/src/command.c
+++ b/src/command.c
@@ -1992,7 +1992,7 @@ static void CV_SetCVar(consvar_t *var, const char *value, boolean stealth)
 	if (var->flags & CV_NETVAR)
 	{
 		// send the value of the variable
-		UINT8 buf[128];
+		UINT8 buf[512];
 		UINT8 *p = buf;
 
 		// Loading from a config in a netgame? Set revert value.
@@ -2065,11 +2065,10 @@ static void CV_SetValueMaybeStealth(consvar_t *var, INT32 value, boolean stealth
 	if (var == &cv_forceskin) // Special handling.
 	{
 		const char *tmpskin = NULL;
-		if ((value < 0) || (value >= numskins))
-			;
-		else
+		if (value >= 0 && value < numskins)
 			tmpskin = skins[value]->name;
-		memcpy(val, tmpskin, SKINNAMESIZE);
+		if (tmpskin)
+			memcpy(val, tmpskin, SKINNAMESIZE);
 	}
 	else
 		sprintf(val, "%d", value);
diff --git a/src/d_main.c b/src/d_main.c
index 2405b01365ba8c47f4e54036839e7e704b6aaa4b..bf6c62ef2d8c591742e18d63bacd0f4c6ab16183 100644
--- a/src/d_main.c
+++ b/src/d_main.c
@@ -679,13 +679,13 @@ static void D_Display(void)
 			s[sizeof s - 1] = '\0';
 
 			snprintf(s, sizeof s - 1, "get %d b/s", getbps);
-			V_DrawRightAlignedString(BASEVIDWIDTH, BASEVIDHEIGHT-ST_HEIGHT-40, V_YELLOWMAP, s);
+			V_DrawRightAlignedString(BASEVIDWIDTH, BASEVIDHEIGHT-40, V_YELLOWMAP, s);
 			snprintf(s, sizeof s - 1, "send %d b/s", sendbps);
-			V_DrawRightAlignedString(BASEVIDWIDTH, BASEVIDHEIGHT-ST_HEIGHT-30, V_YELLOWMAP, s);
+			V_DrawRightAlignedString(BASEVIDWIDTH, BASEVIDHEIGHT-30, V_YELLOWMAP, s);
 			snprintf(s, sizeof s - 1, "GameMiss %.2f%%", gamelostpercent);
-			V_DrawRightAlignedString(BASEVIDWIDTH, BASEVIDHEIGHT-ST_HEIGHT-20, V_YELLOWMAP, s);
+			V_DrawRightAlignedString(BASEVIDWIDTH, BASEVIDHEIGHT-20, V_YELLOWMAP, s);
 			snprintf(s, sizeof s - 1, "SysMiss %.2f%%", lostpercent);
-			V_DrawRightAlignedString(BASEVIDWIDTH, BASEVIDHEIGHT-ST_HEIGHT-10, V_YELLOWMAP, s);
+			V_DrawRightAlignedString(BASEVIDWIDTH, BASEVIDHEIGHT-10, V_YELLOWMAP, s);
 		}
 
 		if (cv_perfstats.value)
@@ -1024,7 +1024,7 @@ void D_StartTitle(void)
 #define REALLOC_FILE_LIST \
 	if (list->files == NULL) \
 	{ \
-		list->files = calloc(sizeof(list->files), 2); \
+		list->files = calloc(2, sizeof(list->files)); \
 		list->numfiles = 1; \
 	} \
 	else \
@@ -1535,7 +1535,7 @@ void D_SRB2Main(void)
 			I_Error("Cannot find a map remotely named '%s'\n", word);
 		else
 		{
-			if (!M_CheckParm("-server"))
+			if (!(M_CheckParm("-server") || dedicated))
 				G_SetUsedCheats(true);
 			autostart = true;
 		}
diff --git a/src/dedicated/i_system.c b/src/dedicated/i_system.c
index 413b366b865c035a08ece29008c30004ea58666e..1a1db8fb351e6017a8ee9d7745556550245e47c1 100644
--- a/src/dedicated/i_system.c
+++ b/src/dedicated/i_system.c
@@ -1390,8 +1390,8 @@ static const char *searchWad(const char *searchDir)
 
 #define CHECKWADPATH(ret) \
 do { \
-	I_OutputMsg(",%s", returnWadPath); \
-	if (isWadPathOk(returnWadPath)) \
+	I_OutputMsg(",%s", ret); \
+	if (isWadPathOk(ret)) \
 		return ret; \
 } while (0)
 
@@ -1416,7 +1416,9 @@ static const char *locateWad(void)
 #ifndef NOCWD
 	// examine current dir
 	strcpy(returnWadPath, ".");
-	CHECKWADPATH(NULL);
+	I_OutputMsg(",%s", returnWadPath);
+	if (isWadPathOk(returnWadPath))
+		return NULL;
 #endif
 
 #ifdef __APPLE__
@@ -1433,9 +1435,15 @@ static const char *locateWad(void)
 
 #ifndef NOHOME
 	// find in $HOME
-	I_OutputMsg(",HOME");
 	if ((envstr = I_GetEnv("HOME")) != NULL)
-		SEARCHWAD(envstr);
+	{
+		char *tmp = malloc(strlen(envstr) + 1 + sizeof(DEFAULTDIR));
+		strcpy(tmp, envstr);
+		strcat(tmp, "/");
+		strcat(tmp, DEFAULTDIR);
+		CHECKWADPATH(tmp);
+		free(tmp);
+	}
 #endif
 
 	// search paths
diff --git a/src/deh_soc.c b/src/deh_soc.c
index dda3b2ef4b31352b1579623421cdc2733da56585..3759cc9c7552987029edcc8f6c1e76322ef61ed3 100644
--- a/src/deh_soc.c
+++ b/src/deh_soc.c
@@ -2791,7 +2791,7 @@ void readframe(MYFILE *f, INT32 num)
 				size_t z;
 				boolean found = false;
 				size_t actionlen = strlen(word2) + 1;
-				char *actiontocompare = calloc(actionlen, 1);
+				char *actiontocompare = calloc(1, actionlen);
 
 				strcpy(actiontocompare, word2);
 				strupr(actiontocompare);
diff --git a/src/deh_tables.c b/src/deh_tables.c
index f113f6b19c8eb8b0a9c511406778db8bebd2e81d..15991a936199e0059d5082ef8b79f0b0b509ee43 100644
--- a/src/deh_tables.c
+++ b/src/deh_tables.c
@@ -4483,6 +4483,8 @@ const char *const PLAYERFLAG_LIST[] = {
 	"CANCARRY", // Can carry?
 	"FINISHED",
 
+	"SHIELDDOWN", // Shield has been pressed.
+
 	NULL // stop loop here.
 };
 
diff --git a/src/filesrch.c b/src/filesrch.c
index 3a729a9c80ee4b80e7b1bcff9385f631651694d1..67a2e8976f88548c0f6f77b2143fbef6888d820f 100644
--- a/src/filesrch.c
+++ b/src/filesrch.c
@@ -444,12 +444,11 @@ filestatus_t filesearch(char *filename, const char *startpath, const UINT8 *want
 		strcpy(&searchpath[searchpathindex[depthleft]],dent->d_name);
 
 #if defined(__linux__) || defined(__FreeBSD__)
-		if (dent->d_type == DT_UNKNOWN)
-			if (lstat(searchpath,&fsstat) == 0 && S_ISDIR(fsstat.st_mode))
+		if (dent->d_type == DT_UNKNOWN || dent->d_type == DT_LNK)
+			if (stat(searchpath,&fsstat) == 0 && S_ISDIR(fsstat.st_mode))
 				dent->d_type = DT_DIR;
 
 		// Linux and FreeBSD has a special field for file type on dirent, so use that to speed up lookups.
-		// FIXME: should we also follow symlinks?
 		if (dent->d_type == DT_DIR && depthleft)
 #else
 		if (stat(searchpath,&fsstat) < 0) // do we want to follow symlinks? if not: change it to lstat
@@ -1191,7 +1190,7 @@ boolean preparefilemenu(boolean samedepth)
 					size_t i;
 
 					if (filenamebuf == NULL)
-						filenamebuf = calloc(sizeof(char) * MAX_WADPATH, numwadfiles);
+						filenamebuf = calloc(numwadfiles, sizeof(char) * MAX_WADPATH);
 
 					for (i = 0; i < numwadfiles; i++)
 					{
diff --git a/src/g_game.c b/src/g_game.c
index 54d7ba6f1bce92d2674b1d1034fce07de40aa935..0a29be021ee537bc8036bc55210497551d4cb904 100644
--- a/src/g_game.c
+++ b/src/g_game.c
@@ -3352,7 +3352,7 @@ void G_AddPlayer(INT32 playernum)
 
 	p->playerstate = PST_REBORN;
 
-	p->height = mobjinfo[MT_PLAYER].height;
+	p->height = skins[p->skin]->height;
 
 	if (G_GametypeUsesLives() || ((netgame || multiplayer) && (gametyperules & GTR_FRIENDLY)))
 		p->lives = cv_startinglives.value;
diff --git a/src/hardware/hw_cache.c b/src/hardware/hw_cache.c
index 56f5416cf13f8d4c3176d93b122094d4bfd0bacb..f282ca89184b9d47fe000f47e126880c0467b602 100644
--- a/src/hardware/hw_cache.c
+++ b/src/hardware/hw_cache.c
@@ -450,15 +450,10 @@ static void HWR_GenerateTexture(INT32 texnum, GLMapTexture_t *grtex, GLMipmap_t
 
 	texture = textures[texnum];
 
-	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);
+	blocksize = blockwidth * blockheight;
+	block = MakeBlock(mipmap);
 
 	// Composite the columns together.
 	for (i = 0, patch = texture->patches; i < texture->patchcount; i++, patch++)
@@ -488,7 +483,7 @@ static void HWR_GenerateTexture(INT32 texnum, GLMapTexture_t *grtex, GLMipmap_t
 				realpatch = W_CachePatchNumPwad(wadnum, lumpnum, PU_PATCH);
 		}
 
-		HWR_DrawTexturePatchInCache(&grtex->mipmap, blockwidth, blockheight, texture, patch, realpatch);
+		HWR_DrawTexturePatchInCache(mipmap, blockwidth, blockheight, texture, patch, realpatch);
 
 		if (free_patch)
 			Patch_Free(realpatch);
@@ -680,25 +675,24 @@ void HWR_InitMapTextures(void)
 	gl_maptexturesloaded = false;
 }
 
-static void DeleteTextureMipmap(GLMipmap_t *grMipmap)
+static void DeleteTextureMipmap(GLMipmap_t *grMipmap, boolean delete_mipmap)
 {
 	HWD.pfnDeleteTexture(grMipmap);
 
-	// Chroma-keyed textures do not own their texture data, so do not free it
-	if (!(grMipmap->flags & TF_CHROMAKEYED))
+	if (delete_mipmap)
 		Z_Free(grMipmap->data);
 }
 
-static void FreeMapTexture(GLMapTexture_t *tex)
+static void FreeMapTexture(GLMapTexture_t *tex, boolean delete_chromakeys)
 {
 	if (tex->mipmap.nextcolormap)
 	{
-		DeleteTextureMipmap(tex->mipmap.nextcolormap);
+		DeleteTextureMipmap(tex->mipmap.nextcolormap, delete_chromakeys);
 		free(tex->mipmap.nextcolormap);
 		tex->mipmap.nextcolormap = NULL;
 	}
 
-	DeleteTextureMipmap(&tex->mipmap);
+	DeleteTextureMipmap(&tex->mipmap, true);
 }
 
 void HWR_FreeMapTextures(void)
@@ -707,8 +701,8 @@ void HWR_FreeMapTextures(void)
 
 	for (i = 0; i < gl_numtextures; i++)
 	{
-		FreeMapTexture(&gl_textures[i]);
-		FreeMapTexture(&gl_flats[i]);
+		FreeMapTexture(&gl_textures[i], true);
+		FreeMapTexture(&gl_flats[i], false);
 	}
 
 	// now the heap don't have any 'user' pointing to our
@@ -741,22 +735,7 @@ void HWR_LoadMapTextures(size_t pnumtextures)
 // --------------------------------------------------------------------------
 // Make sure texture is downloaded and set it as the source
 // --------------------------------------------------------------------------
-static void GetMapTexture(INT32 tex, GLMapTexture_t *grtex, GLMipmap_t *mipmap)
-{
-	// Generate texture if missing from the cache
-	if (!mipmap->data && !mipmap->downloaded)
-		HWR_GenerateTexture(tex, grtex, mipmap);
-
-	// If hardware does not have the texture, then call pfnSetTexture to upload it
-	if (!mipmap->downloaded)
-		HWD.pfnSetTexture(mipmap);
-	HWR_SetCurrentTexture(mipmap);
-
-	// The system-memory data can be purged now.
-	Z_ChangeTag(mipmap->data, PU_HWRCACHE_UNLOCKED);
-}
-
-GLMapTexture_t *HWR_GetTexture(INT32 tex)
+GLMapTexture_t *HWR_GetTexture(INT32 tex, boolean chromakeyed)
 {
 	if (tex < 0 || tex >= (signed)gl_numtextures)
 	{
@@ -769,7 +748,46 @@ GLMapTexture_t *HWR_GetTexture(INT32 tex)
 
 	GLMapTexture_t *grtex = &gl_textures[tex];
 
-	GetMapTexture(tex, grtex, &grtex->mipmap);
+	GLMipmap_t *grMipmap = &grtex->mipmap;
+	GLMipmap_t *originalMipmap = grMipmap;
+
+	if (!originalMipmap->downloaded)
+	{
+		originalMipmap->flags = TF_WRAPXY;
+		originalMipmap->width = (UINT16)textures[tex]->width;
+		originalMipmap->height = (UINT16)textures[tex]->height;
+		originalMipmap->format = textureformat;
+	}
+
+	// If chroma-keyed, create or use a different mipmap for the variant
+	if (chromakeyed && !textures[tex]->transparency)
+	{
+		// 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_GetTexture");
+
+			newMipmap->flags = originalMipmap->flags | TF_CHROMAKEYED;
+			newMipmap->width = originalMipmap->width;
+			newMipmap->height = originalMipmap->height;
+			newMipmap->format = originalMipmap->format;
+			originalMipmap->nextcolormap = newMipmap;
+		}
+
+		// Generate, upload and bind the variant texture instead of the original one
+		grMipmap = originalMipmap->nextcolormap;
+	}
+
+	if (!grMipmap->data)
+		HWR_GenerateTexture(tex, grtex, grMipmap);
+
+	if (!grMipmap->downloaded)
+		HWD.pfnSetTexture(grMipmap);
+	HWR_SetCurrentTexture(grMipmap);
+
+	Z_ChangeTag(grMipmap->data, PU_HWRCACHE_UNLOCKED);
 
 	return grtex;
 }
diff --git a/src/hardware/hw_glob.h b/src/hardware/hw_glob.h
index 807c7098946b5589ce7d3394f864d6dccb484194..5678cd593dfc017d2a1d067d76a8bc71954abb4f 100644
--- a/src/hardware/hw_glob.h
+++ b/src/hardware/hw_glob.h
@@ -120,7 +120,7 @@ void HWR_GetPatch(patch_t *patch);
 void HWR_GetMappedPatch(patch_t *patch, const UINT8 *colormap);
 void HWR_GetFadeMask(lumpnum_t fademasklumpnum);
 
-GLMapTexture_t *HWR_GetTexture(INT32 tex);
+GLMapTexture_t *HWR_GetTexture(INT32 tex, boolean chromakeyed);
 void HWR_GetLevelFlat(levelflat_t *levelflat, boolean chromakeyed);
 void HWR_GetRawFlat(lumpnum_t flatlumpnum);
 
diff --git a/src/hardware/hw_main.c b/src/hardware/hw_main.c
index 831c8d7c4bce2190311647ce4ec06ae7029593a3..f395a83905de4ecd65bef7017c41cfb8cef8f2f0 100644
--- a/src/hardware/hw_main.c
+++ b/src/hardware/hw_main.c
@@ -309,6 +309,43 @@ static FUINT HWR_CalcSlopeLight(FUINT lightnum, angle_t dir, fixed_t delta)
 	return (FUINT)finallight;
 }
 
+static UINT8 HWR_SideLightLevel(side_t *side, INT16 base_lightlevel)
+{
+	return max(0, min(255, side->light +
+		((side->lightabsolute) ? 0 : base_lightlevel)));
+}
+
+/* TODO: implement per-texture lighting
+static UINT8 HWR_TopLightLevel(side_t *side, INT16 base_lightlevel)
+{
+	return max(0, min(255, side->light_top +
+		((side->lightabsolute_top) ? 0 : HWR_SideLightLevel(side, base_lightlevel))));
+}
+
+static UINT8 HWR_MidLightLevel(side_t *side, INT16 base_lightlevel)
+{
+	return max(0, min(255, side->light_mid +
+		((side->lightabsolute_mid) ? 0 : HWR_SideLightLevel(side, base_lightlevel))));
+}
+
+static UINT8 HWR_BottomLightLevel(side_t *side, INT16 base_lightlevel)
+{
+	return max(0, min(255, side->light_bottom +
+		((side->lightabsolute_bottom) ? 0 : HWR_SideLightLevel(side, base_lightlevel))));
+}
+*/
+
+static UINT8 HWR_FloorLightLevel(sector_t *sector, INT16 base_lightlevel)
+{
+	return max(0, min(255, sector->floorlightlevel +
+		((sector->floorlightabsolute) ? 0 : base_lightlevel)));
+}
+
+static UINT8 HWR_CeilingLightLevel(sector_t *sector, INT16 base_lightlevel)
+{
+	return max(0, min(255, sector->ceilinglightlevel +
+		((sector->ceilinglightabsolute) ? 0 : base_lightlevel)));
+}
 // ==========================================================================
 //                                   FLOOR/CEILING GENERATION FROM SUBSECTORS
 // ==========================================================================
@@ -705,8 +742,9 @@ static void HWR_SplitWall(sector_t *sector, FOutVector *wallVerts, INT32 texnum,
 	fixed_t v2x = FloatToFixed(wallVerts[1].x);
 	fixed_t v2y = FloatToFixed(wallVerts[1].z);
 
+	FUINT lightnum = HWR_SideLightLevel(gl_sidedef, sector->lightlevel);
 	const UINT8 alpha = Surf->PolyColor.s.alpha;
-	FUINT lightnum = HWR_CalcWallLight(sector->lightlevel, v1x, v1y, v2x, v2y);
+	lightnum = HWR_CalcWallLight(lightnum, v1x, v1y, v2x, v2y);
 	extracolormap_t *colormap = NULL;
 
 	if (!r_renderwalls)
@@ -750,13 +788,13 @@ static void HWR_SplitWall(sector_t *sector, FOutVector *wallVerts, INT32 texnum,
 		{
 			if (pfloor && (pfloor->fofflags & FOF_FOG))
 			{
-				lightnum = pfloor->master->frontsector->lightlevel;
+				lightnum = HWR_SideLightLevel(gl_sidedef, pfloor->master->frontsector->lightlevel);
 				colormap = pfloor->master->frontsector->extra_colormap;
 				lightnum = colormap ? lightnum : HWR_CalcWallLight(lightnum, v1x, v1y, v2x, v2y);
 			}
 			else
 			{
-				lightnum = *list[i].lightlevel;
+				lightnum = HWR_SideLightLevel(gl_sidedef, *list[i].lightlevel);
 				colormap = *list[i].extra_colormap;
 				lightnum = colormap ? lightnum : HWR_CalcWallLight(lightnum, v1x, v1y, v2x, v2y);
 			}
@@ -951,7 +989,7 @@ static void HWR_RenderMidtexture(INT32 gl_midtexture, float cliplow, float cliph
 	else
 		repeats = 1;
 
-	GLMapTexture_t *grTex = HWR_GetTexture(gl_midtexture);
+	GLMapTexture_t *grTex = HWR_GetTexture(gl_midtexture, true);
 	float xscale = FixedToFloat(gl_sidedef->scalex_mid);
 	float yscale = FixedToFloat(gl_sidedef->scaley_mid);
 
@@ -1167,7 +1205,7 @@ static void HWR_ProcessSeg(void)
 	float cliplow = (float)gl_curline->offset;
 	float cliphigh = cliplow + (gl_curline->flength * FRACUNIT);
 
-	FUINT lightnum = gl_frontsector->lightlevel;
+	FUINT lightnum = HWR_SideLightLevel(gl_sidedef, gl_frontsector->lightlevel);
 	extracolormap_t *colormap = gl_frontsector->extra_colormap;
 	lightnum = colormap ? lightnum : HWR_CalcWallLight(lightnum, vs.x, vs.y, ve.x, ve.y);
 
@@ -1210,7 +1248,7 @@ static void HWR_ProcessSeg(void)
 		// check TOP TEXTURE
 		if ((worldhighslope < worldtopslope || worldhigh < worldtop) && gl_toptexture)
 		{
-			grTex = HWR_GetTexture(gl_toptexture);
+			grTex = HWR_GetTexture(gl_toptexture, false);
 			xscale = FixedToFloat(abs(gl_sidedef->scalex_top));
 			yscale = FixedToFloat(abs(gl_sidedef->scaley_top));
 
@@ -1300,7 +1338,7 @@ static void HWR_ProcessSeg(void)
 		// check BOTTOM TEXTURE
 		if ((worldlowslope > worldbottomslope || worldlow > worldbottom) && gl_bottomtexture)
 		{
-			grTex = HWR_GetTexture(gl_bottomtexture);
+			grTex = HWR_GetTexture(gl_bottomtexture, false);
 			xscale = FixedToFloat(abs(gl_sidedef->scalex_bottom));
 			yscale = FixedToFloat(abs(gl_sidedef->scaley_bottom));
 
@@ -1414,7 +1452,7 @@ static void HWR_ProcessSeg(void)
 		// Single sided line... Deal only with the middletexture (if one exists)
 		if (gl_midtexture && gl_linedef->special != SPECIAL_HORIZON_LINE) // (Ignore horizon line for OGL)
 		{
-			grTex = HWR_GetTexture(gl_midtexture);
+			grTex = HWR_GetTexture(gl_midtexture, false);
 			xscale = FixedToFloat(gl_sidedef->scalex_mid);
 			yscale = FixedToFloat(gl_sidedef->scaley_mid);
 
@@ -1588,7 +1626,7 @@ static void HWR_ProcessSeg(void)
 					// -- Monster Iestyn 26/06/18
 					fixed_t texturevpeg = side->rowoffset + side->offsety_mid;
 
-					grTex = HWR_GetTexture(texnum);
+					grTex = HWR_GetTexture(texnum, true);
 					xscale = FixedToFloat(side->scalex_mid);
 					yscale = FixedToFloat(side->scaley_mid);
 
@@ -1628,11 +1666,11 @@ static void HWR_ProcessSeg(void)
 				{
 					blendmode = PF_Fog|PF_NoTexture;
 
-					lightnum = rover->master->frontsector->lightlevel;
+					lightnum = HWR_SideLightLevel(gl_sidedef, rover->master->frontsector->lightlevel);
 					colormap = rover->master->frontsector->extra_colormap;
 					lightnum = colormap ? lightnum : HWR_CalcWallLight(lightnum, vs.x, vs.y, ve.x, ve.y);
 
-					Surf.PolyColor.s.alpha = HWR_FogBlockAlpha(rover->master->frontsector->lightlevel, rover->master->frontsector->extra_colormap);
+					Surf.PolyColor.s.alpha = HWR_FogBlockAlpha(HWR_SideLightLevel(gl_sidedef, rover->master->frontsector->lightlevel), rover->master->frontsector->extra_colormap);
 
 					if (gl_frontsector->numlights)
 						HWR_SplitWall(gl_frontsector, wallVerts, 0, &Surf, rover->fofflags, rover, blendmode);
@@ -1745,7 +1783,7 @@ static void HWR_ProcessSeg(void)
 					// -- Monster Iestyn 26/06/18
 					fixed_t texturevpeg = side->rowoffset + side->offsety_mid;
 
-					grTex = HWR_GetTexture(texnum);
+					grTex = HWR_GetTexture(texnum, true);
 					xscale = FixedToFloat(side->scalex_mid);
 					yscale = FixedToFloat(side->scaley_mid);
 
@@ -1785,7 +1823,7 @@ static void HWR_ProcessSeg(void)
 				{
 					blendmode = PF_Fog|PF_NoTexture;
 
-					lightnum = rover->master->frontsector->lightlevel;
+					lightnum = HWR_SideLightLevel(gl_sidedef, rover->master->frontsector->lightlevel);
 					colormap = rover->master->frontsector->extra_colormap;
 					lightnum = colormap ? lightnum : HWR_CalcWallLight(lightnum, vs.x, vs.y, ve.x, ve.y);
 
@@ -2442,7 +2480,7 @@ static void HWR_Subsector(size_t num)
 			rover; rover = rover->next)
 		{
 			fixed_t bottomCullHeight, topCullHeight, centerHeight;
-
+			
 			if (!(rover->fofflags & FOF_EXISTS) || !(rover->fofflags & FOF_RENDERPLANES))
 				continue;
 			if (sub->validcount == validcount)
@@ -2471,13 +2509,13 @@ static void HWR_Subsector(size_t num)
 					UINT8 alpha;
 
 					light = R_GetPlaneLight(gl_frontsector, centerHeight, viewz < bottomCullHeight ? true : false);
-					alpha = HWR_FogBlockAlpha(*gl_frontsector->lightlist[light].lightlevel, rover->master->frontsector->extra_colormap);
+					alpha = HWR_FogBlockAlpha(HWR_FloorLightLevel(rover->master->frontsector, *gl_frontsector->lightlist[light].lightlevel), rover->master->frontsector->extra_colormap);
 
 					HWR_AddTransparentFloor(0,
 					                       &extrasubsectors[num],
 										   false,
 					                       *rover->bottomheight,
-					                       *gl_frontsector->lightlist[light].lightlevel,
+					                       HWR_FloorLightLevel(rover->master->frontsector, *gl_frontsector->lightlist[light].lightlevel),
 					                       alpha, rover->master->frontsector, PF_Fog|PF_NoTexture,
 										   true, false, rover->master->frontsector->extra_colormap);
 				}
@@ -2489,7 +2527,7 @@ static void HWR_Subsector(size_t num)
 					                       &extrasubsectors[num],
 										   false,
 					                       *rover->bottomheight,
-					                       *gl_frontsector->lightlist[light].lightlevel,
+					                       HWR_FloorLightLevel(rover->master->frontsector, *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, rover->fofflags & FOF_SPLAT, *gl_frontsector->lightlist[light].extra_colormap);
@@ -2498,8 +2536,9 @@ static void HWR_Subsector(size_t num)
 				{
 					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);
+					HWR_RenderPlane(sub, &extrasubsectors[num], false, *rover->bottomheight, HWR_RippleBlend(gl_frontsector, rover, false)|PF_Occlude,
+					                HWR_FloorLightLevel(rover->master->frontsector, *gl_frontsector->lightlist[light].lightlevel),
+					                &levelflats[*rover->bottompic], rover->master->frontsector, 255, *gl_frontsector->lightlist[light].extra_colormap);
 				}
 			}
 
@@ -2516,13 +2555,13 @@ static void HWR_Subsector(size_t num)
 					UINT8 alpha;
 
 					light = R_GetPlaneLight(gl_frontsector, centerHeight, viewz < topCullHeight ? true : false);
-					alpha = HWR_FogBlockAlpha(*gl_frontsector->lightlist[light].lightlevel, rover->master->frontsector->extra_colormap);
+					alpha = HWR_FogBlockAlpha(HWR_CeilingLightLevel(rover->master->frontsector, *gl_frontsector->lightlist[light].lightlevel), rover->master->frontsector->extra_colormap);
 
 					HWR_AddTransparentFloor(0,
 					                       &extrasubsectors[num],
 										   true,
 					                       *rover->topheight,
-					                       *gl_frontsector->lightlist[light].lightlevel,
+					                       HWR_CeilingLightLevel(rover->master->frontsector, *gl_frontsector->lightlist[light].lightlevel),
 					                       alpha, rover->master->frontsector, PF_Fog|PF_NoTexture,
 										   true, false, rover->master->frontsector->extra_colormap);
 				}
@@ -2534,7 +2573,7 @@ static void HWR_Subsector(size_t num)
 					                        &extrasubsectors[num],
 											true,
 					                        *rover->topheight,
-					                        *gl_frontsector->lightlist[light].lightlevel,
+					                        HWR_CeilingLightLevel(rover->master->frontsector, *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, rover->fofflags & FOF_SPLAT, *gl_frontsector->lightlist[light].extra_colormap);
@@ -2543,8 +2582,9 @@ static void HWR_Subsector(size_t num)
 				{
 					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);
+					HWR_RenderPlane(sub, &extrasubsectors[num], true, *rover->topheight, HWR_RippleBlend(gl_frontsector, rover, false)|PF_Occlude,
+					                  HWR_CeilingLightLevel(rover->master->frontsector, *gl_frontsector->lightlist[light].lightlevel),
+					                  &levelflats[*rover->toppic], rover->master->frontsector, 255, *gl_frontsector->lightlist[light].extra_colormap);
 				}
 			}
 		}
@@ -2880,7 +2920,7 @@ static void HWR_DrawDropShadow(mobj_t *thing, fixed_t scale)
 	}
 
 	HWR_Lighting(&sSurf, 0, colormap);
-	sSurf.PolyColor.s.alpha = alpha;
+	sSurf.PolyColor.s.alpha = FixedMul(thing->alpha, alpha);
 
 	if (HWR_UseShader())
 	{
@@ -3054,11 +3094,16 @@ static void HWR_SplitSprite(gl_vissprite_t *spr)
 	// baseWallVerts is used to know the final shape to easily get the vertex
 	// co-ordinates
 	memcpy(wallVerts, baseWallVerts, sizeof(baseWallVerts));
+	
+	fixed_t newalpha = spr->mobj->alpha;
 
 	// if sprite has linkdraw, then dont write to z-buffer (by not using PF_Occlude)
 	// this will result in sprites drawn afterwards to be drawn on top like intended when using linkdraw.
 	if ((spr->mobj->flags2 & MF2_LINKDRAW) && spr->mobj->tracer)
+	{
+		newalpha = spr->mobj->tracer->alpha;
 		occlusion = 0;
+	}
 	else
 		occlusion = PF_Occlude;
 
@@ -3094,6 +3139,8 @@ static void HWR_SplitSprite(gl_vissprite_t *spr)
 		blend = HWR_GetBlendModeFlag(blendmode)|occlusion;
 		if (!occlusion) use_linkdraw_hack = true;
 	}
+	
+	Surf.PolyColor.s.alpha = FixedMul(newalpha, Surf.PolyColor.s.alpha);
 
 	if (HWR_UseShader())
 	{
@@ -3543,11 +3590,15 @@ static void HWR_DrawSprite(gl_vissprite_t *spr)
 		FBITFIELD blend = 0;
 		FBITFIELD occlusion;
 		boolean use_linkdraw_hack = false;
+		fixed_t newalpha = spr->mobj->alpha;
 
 		// if sprite has linkdraw, then dont write to z-buffer (by not using PF_Occlude)
 		// this will result in sprites drawn afterwards to be drawn on top like intended when using linkdraw.
 		if ((spr->mobj->flags2 & MF2_LINKDRAW) && spr->mobj->tracer)
+		{
 			occlusion = 0;
+			newalpha = spr->mobj->tracer->alpha;
+		}
 		else
 			occlusion = PF_Occlude;
 
@@ -3583,6 +3634,8 @@ static void HWR_DrawSprite(gl_vissprite_t *spr)
 			blend = HWR_GetBlendModeFlag(blendmode)|occlusion;
 			if (!occlusion) use_linkdraw_hack = true;
 		}
+		
+		Surf.PolyColor.s.alpha = FixedMul(newalpha, Surf.PolyColor.s.alpha);
 
 		if (spr->renderflags & RF_SHADOWEFFECTS)
 		{
@@ -3893,7 +3946,7 @@ void HWR_AddTransparentFloor(levelflat_t *levelflat, extrasubsector_t *xsub, boo
 
 	planeinfo[numplanes].isceiling = isceiling;
 	planeinfo[numplanes].fixedheight = fixedheight;
-	planeinfo[numplanes].lightlevel = (planecolormap && (planecolormap->flags & CMF_FOG)) ? 255 : lightlevel;
+	planeinfo[numplanes].lightlevel = (planecolormap && (planecolormap->flags & CMF_FOG)) ? lightlevel : 255; // TODO: 2.3: Make transparent FOF planes always use light level
 	planeinfo[numplanes].levelflat = levelflat;
 	planeinfo[numplanes].xsub = xsub;
 	planeinfo[numplanes].alpha = alpha;
@@ -3925,7 +3978,7 @@ void HWR_AddTransparentPolyobjectFloor(levelflat_t *levelflat, polyobj_t *polyse
 
 	polyplaneinfo[numpolyplanes].isceiling = isceiling;
 	polyplaneinfo[numpolyplanes].fixedheight = fixedheight;
-	polyplaneinfo[numpolyplanes].lightlevel = (planecolormap && (planecolormap->flags & CMF_FOG)) ? 255 : lightlevel;
+	polyplaneinfo[numpolyplanes].lightlevel = (planecolormap && (planecolormap->flags & CMF_FOG)) ? lightlevel : 255;  // TODO: 2.3: Make transparent polyobject planes always use light level
 	polyplaneinfo[numpolyplanes].levelflat = levelflat;
 	polyplaneinfo[numpolyplanes].polysector = polysector;
 	polyplaneinfo[numpolyplanes].alpha = alpha;
@@ -4086,7 +4139,7 @@ static void HWR_CreateDrawNodes(void)
 		else if (sortnode[sortindex[i]].wall)
 		{
 			if (!(sortnode[sortindex[i]].wall->blend & PF_NoTexture))
-				HWR_GetTexture(sortnode[sortindex[i]].wall->texnum);
+				HWR_GetTexture(sortnode[sortindex[i]].wall->texnum, true);
 			HWR_RenderWall(sortnode[sortindex[i]].wall->wallVerts, &sortnode[sortindex[i]].wall->Surf, sortnode[sortindex[i]].wall->blend, sortnode[sortindex[i]].wall->fogwall,
 				sortnode[sortindex[i]].wall->lightlevel, sortnode[sortindex[i]].wall->wallcolormap);
 		}
@@ -5066,6 +5119,8 @@ static void HWR_DrawSkyBackground(player_t *player)
 
 	HWD.pfnSetBlend(PF_Translucent|PF_NoDepthTest|PF_Modulated);
 
+	HWR_GetTexture(texturetranslation[skytexture], false);
+
 	if (cv_glskydome.value)
 	{
 		FTransform dometransform;
@@ -5081,8 +5136,6 @@ static void HWR_DrawSkyBackground(player_t *player)
 		HWR_SetTransformAiming(&dometransform, player, false);
 		dometransform.angley = (float)((viewangle-ANGLE_270)>>ANGLETOFINESHIFT)*(360.0f/(float)FINEANGLES);
 
-		HWR_GetTexture(texturetranslation[skytexture]);
-
 		if (gl_sky.texture != texturetranslation[skytexture])
 		{
 			HWR_ClearSkyDome();
@@ -5102,7 +5155,6 @@ static void HWR_DrawSkyBackground(player_t *player)
 		float aspectratio;
 		float angleturn;
 
-		HWR_GetTexture(texturetranslation[skytexture]);
 		aspectratio = (float)vid.width/(float)vid.height;
 
 		//Hurdler: the sky is the only texture who need 4.0f instead of 1.0
diff --git a/src/hardware/hw_md2.c b/src/hardware/hw_md2.c
index 0f466f051c6adc6f025444ca16e2bcb90b38ba71..2616d4085c4c9e8fa81e6ce82bfa2f30f072f68f 100644
--- a/src/hardware/hw_md2.c
+++ b/src/hardware/hw_md2.c
@@ -1154,6 +1154,9 @@ static void adjustTextureCoords(model_t *model, patch_t *patch)
 	int i;
 	GLPatch_t *gpatch = ((GLPatch_t *)patch->hardware);
 
+	if (!gpatch)
+		return;
+
 	for (i = 0; i < model->numMeshes; i++)
 	{
 		int j;
@@ -1286,6 +1289,11 @@ boolean HWR_DrawModel(gl_vissprite_t *spr)
 		// Apparently people don't like jump frames like that, so back it goes
 		//if (tics > durs)
 			//durs = tics;
+		
+		// Make linkdraw objects use their tracer's alpha value
+		fixed_t newalpha = spr->mobj->alpha;
+		if ((spr->mobj->flags2 & MF2_LINKDRAW) && spr->mobj->tracer)
+			newalpha = spr->mobj->tracer->alpha;
 
 		INT32 blendmode;
 		if (spr->mobj->frame & FF_BLENDMASK)
@@ -1300,6 +1308,8 @@ boolean HWR_DrawModel(gl_vissprite_t *spr)
 			Surf.PolyColor.s.alpha = (spr->mobj->flags2 & MF2_SHADOW) ? 0x40 : 0xff;
 			Surf.PolyFlags = HWR_GetBlendModeFlag(blendmode);
 		}
+		
+		Surf.PolyColor.s.alpha = FixedMul(newalpha, Surf.PolyColor.s.alpha);
 
 		// don't forget to enable the depth test because we can't do this
 		// like before: model polygons are not sorted
diff --git a/src/hardware/hw_shaders.c b/src/hardware/hw_shaders.c
index 36cbb5db949c7fae0e28c82b6c0fcb6bd1dd3a73..ee1e2acdf58cd73d810c1884cfc5ffe3e4797389 100644
--- a/src/hardware/hw_shaders.c
+++ b/src/hardware/hw_shaders.c
@@ -448,6 +448,101 @@ void HWR_LoadAllCustomShaders(void)
 		HWR_LoadCustomShadersFromFile(i, W_FileHasFolders(wadfiles[i]));
 }
 
+static const char version_directives[][14] = {
+	"#version 330\n",
+	"#version 150\n",
+	"#version 140\n",
+	"#version 130\n",
+	"#version 120\n",
+	"#version 110\n",
+};
+
+static boolean HWR_VersionDirectiveExists(const char* source)
+{
+    return strncmp(source, "#version", 8) == 0;
+}
+
+static char* HWR_PrependVersionDirective(const char* source, UINT32 version_index)
+{
+	const UINT32 version_len = sizeof(version_directives[version_index]) - 1;
+	const UINT32 source_len = strlen(source);
+
+	char* result = Z_Malloc(source_len + version_len + 1, PU_STATIC, NULL);
+	strcpy(result, version_directives[version_index]);
+	strcpy(result + version_len, source);
+
+	return result;
+}
+
+static void HWR_ReplaceVersionInplace(char* shader, UINT32 version_index)
+{
+	shader[9] = version_directives[version_index][9];
+	shader[10] = version_directives[version_index][10];
+	shader[11] = version_directives[version_index][11];
+}
+
+static boolean HWR_CheckVersionDirectives(const char* vert, const char* frag)
+{
+	return HWR_VersionDirectiveExists(vert) && HWR_VersionDirectiveExists(frag);
+}
+
+static void HWR_TryToCompileShaderWithImplicitVersion(INT32 shader_index, INT32 shaderxlat_id)
+{
+	char* vert_shader = gl_shaders[shader_index].vertex;
+	char* frag_shader = gl_shaders[shader_index].fragment;
+
+	boolean vert_shader_version_exists = HWR_VersionDirectiveExists(vert_shader);
+	boolean frag_shader_version_exists = HWR_VersionDirectiveExists(frag_shader);
+
+	if(!vert_shader_version_exists) {
+		CONS_Alert(CONS_WARNING, "HWR_LoadCustomShadersFromFile: vertex shader '%s' is missing a #version directive\n", HWR_GetShaderName(shaderxlat_id));
+	}
+
+	if(!frag_shader_version_exists) {
+		CONS_Alert(CONS_WARNING, "HWR_LoadCustomShadersFromFile: fragment shader '%s' is missing a #version directive\n", HWR_GetShaderName(shaderxlat_id));
+	}
+
+	// try to compile as is
+	HWR_CompileShader(shader_index);
+	if (gl_shaders[shader_index].compiled)
+		return;
+
+	// try each version directive
+	for(UINT32 i = 0; i < sizeof(version_directives) / sizeof(version_directives[0]); ++i) {
+		CONS_Alert(CONS_NOTICE, "HWR_TryToCompileShaderWithImplicitVersion: Trying %s\n", version_directives[i]);
+
+		if(!vert_shader_version_exists) {
+			// first time reallocation would have to be made
+
+			if(i == 0) {
+				void* old = (void*)gl_shaders[shader_index].vertex;
+				vert_shader = gl_shaders[shader_index].vertex = HWR_PrependVersionDirective(vert_shader, i);
+				Z_Free(old);
+			} else {
+				HWR_ReplaceVersionInplace(vert_shader, i);
+			}
+		}
+
+		if(!frag_shader_version_exists) {
+			if(i == 0) {
+				void* old = (void*)gl_shaders[shader_index].fragment;
+				frag_shader = gl_shaders[shader_index].fragment = HWR_PrependVersionDirective(frag_shader, i);
+				Z_Free(old);
+			} else {
+				HWR_ReplaceVersionInplace(frag_shader, i);
+			}
+		}
+
+		HWR_CompileShader(shader_index);
+		if (gl_shaders[shader_index].compiled) {
+			CONS_Alert(CONS_NOTICE, "HWR_TryToCompileShaderWithImplicitVersion: Compiled with %s\n",
+					   version_directives[i]);
+			CONS_Alert(CONS_WARNING, "Implicit GLSL version is used. Correct behavior is not guaranteed\n");
+			return;
+		}
+	}
+}
+
 void HWR_LoadCustomShadersFromFile(UINT16 wadnum, boolean PK3)
 {
 	UINT16 lump;
@@ -610,7 +705,13 @@ skip_field:
 				gl_shaders[shader_index].fragment = Z_StrDup(gl_shadersources[i].fragment);
 			if (!gl_shaders[shader_index].vertex)
 				gl_shaders[shader_index].vertex = Z_StrDup(gl_shadersources[i].vertex);
-			HWR_CompileShader(shader_index);
+
+			if(!HWR_CheckVersionDirectives(gl_shaders[shader_index].vertex, gl_shaders[shader_index].fragment)) {
+				HWR_TryToCompileShaderWithImplicitVersion(shader_index, i);
+			} else {
+				HWR_CompileShader(shader_index);
+			}
+
 			if (!gl_shaders[shader_index].compiled)
 				CONS_Alert(CONS_ERROR, "HWR_LoadCustomShadersFromFile: A compilation error occured for the %s shader in file %s. See the console messages above for more information.\n", shaderxlat[i].type, wadfiles[wadnum]->filename);
 		}
diff --git a/src/hu_stuff.c b/src/hu_stuff.c
index d784c2358a82eecbff441d3e22d535b7b34ceaf5..caf13a445716167adaa20424af74f268565787ea 100644
--- a/src/hu_stuff.c
+++ b/src/hu_stuff.c
@@ -29,7 +29,7 @@
 #include "i_video.h"
 #include "i_system.h"
 
-#include "st_stuff.h" // ST_HEIGHT
+#include "st_stuff.h"
 #include "r_local.h"
 
 #include "keys.h"
@@ -204,7 +204,7 @@ void HU_LoadGraphics(void)
 	HU_SetFontProperties(&hu_font,   0,  4,  8, 12);
 	HU_SetFontProperties(&tny_font,  0,  2,  4, 12);
 	HU_SetFontProperties(&cred_font, 0, 16, 16, 16);
-	HU_SetFontProperties(&lt_font,   0, 16, 20, 20);
+	HU_SetFontProperties(&lt_font,   0, 16, 20, 16);
 	HU_SetFontProperties(&ntb_font,  2,  4, 20, 21);
 	HU_SetFontProperties(&nto_font,  0,  4, 20, 21);
 
@@ -1218,27 +1218,36 @@ static void HU_drawMiniChat(void)
 	INT32 charwidth = 4, charheight = 6;
 	INT32 boxw = cv_chatwidth.value;
 	INT32 dx = 0, dy = 0;
+	boolean prev_linereturn = false;
 
 	if (!chat_nummsg_min)
 		return; // needless to say it's useless to do anything if we don't have anything to draw.
 
 	for (size_t i = chat_nummsg_min; i > 0; i--)
 	{
-		char *msg = V_ChatWordWrap(chatx, boxw-charwidth, V_SNAPTOBOTTOM|V_SNAPTOLEFT|V_ALLOWLOWERCASE, chat_mini[i-1]);
+		char *msg = V_ChatWordWrap(0, boxw-charwidth-2, V_SNAPTOBOTTOM|V_SNAPTOLEFT|V_ALLOWLOWERCASE|V_MONOSPACE, chat_mini[i-1]);
 		for(size_t j = 0; msg[j]; j++) // iterate through msg
 		{
 			if (msg[j] == '\n') // get back down.
 			{
-				chatheight += charheight;
-				dx = 0;
+				if (!prev_linereturn)
+				{
+					chatheight += charheight;
+					dx = 0;
+				}
+				prev_linereturn = true;
 			}
 			else if (msg[j] >= FONTSTART)
 			{
+				prev_linereturn = false;
+
 				dx += charwidth;
-				if (dx >= boxw)
+
+				if (dx >= boxw-charwidth-2)
 				{
 					dx = 0;
 					chatheight += charheight;
+					prev_linereturn = true;
 				}
 			}
 		}
@@ -1250,35 +1259,43 @@ static void HU_drawMiniChat(void)
 	}
 
 	y = chaty - (chatheight + charheight);
+	prev_linereturn = false;
 
 	for (size_t i = 0; i < chat_nummsg_min; i++) // iterate through our hot messages
 	{
 		INT32 timer = ((cv_chattime.value*TICRATE)-chat_timers[i]) - cv_chattime.value*TICRATE+9; // see below...
 		INT32 transflag = (timer >= 0 && timer <= 9) ? (timer*V_10TRANS) : 0; // you can make bad jokes out of this one.
-		char *msg = V_ChatWordWrap(chatx, boxw-charwidth, V_SNAPTOBOTTOM|V_SNAPTOLEFT|V_ALLOWLOWERCASE, chat_mini[i]); // get the current message, and word wrap it.
+		char *msg = V_ChatWordWrap(0, boxw-charwidth-2, V_SNAPTOBOTTOM|V_SNAPTOLEFT|V_ALLOWLOWERCASE|V_MONOSPACE, chat_mini[i]); // get the current message, and word wrap it.
 		UINT8 *colormap = NULL;
 
 		for(size_t j = 0; msg[j]; j++) // iterate through msg
 		{
 			if (msg[j] == '\n') // get back down.
 			{
-				dy += charheight;
-				dx = 0;
+				if (!prev_linereturn)
+				{
+					dy += charheight;
+					dx = 0;
+				}
+				prev_linereturn = true;
 			}
 			else if (msg[j] & 0x80) // get colormap
 				colormap = V_GetStringColormap(((msg[j] & 0x7f) << V_CHARCOLORSHIFT) & V_CHARCOLORMASK);
 			else if (msg[j] >= FONTSTART)
 			{
+				prev_linereturn = false;
+
 				if (cv_chatbacktint.value) // on request of wolfy
 					V_DrawFillConsoleMap(x + dx + 2, y+dy, charwidth, charheight, 239|V_SNAPTOBOTTOM|V_SNAPTOLEFT);
 
-				V_DrawChatCharacter(x + dx + 2, y+dy, msg[j] |V_SNAPTOBOTTOM|V_SNAPTOLEFT|transflag, true, colormap);
-
+				V_DrawChatCharacter(x + dx + 2, y+dy, msg[j] |V_SNAPTOBOTTOM|V_SNAPTOLEFT|V_MONOSPACE|transflag, true, colormap);
 				dx += charwidth;
-				if (dx >= boxw)
+				
+				if (dx >= boxw-charwidth-2)
 				{
 					dx = 0;
 					dy += charheight;
+					prev_linereturn = true;
 				}
 			}
 		}
@@ -1303,6 +1320,7 @@ static void HU_drawChatLog(INT32 offset)
 	UINT32 i = 0;
 	INT32 chat_topy, chat_bottomy;
 	boolean atbottom = false;
+	boolean prev_linereturn = false;
 
 	// make sure that our scroll position isn't "illegal";
 	if (chat_scroll > chat_maxscroll)
@@ -1335,27 +1353,38 @@ static void HU_drawChatLog(INT32 offset)
 
 	for (i=0; i<chat_nummsg_log; i++) // iterate through our chatlog
 	{
-		char *msg = V_ChatWordWrap(chatx, boxw-charwidth, V_SNAPTOBOTTOM|V_SNAPTOLEFT|V_ALLOWLOWERCASE, chat_log[i]); // get the current message, and word wrap it.
+		char *msg = V_ChatWordWrap(0, boxw-charwidth-2, V_SNAPTOBOTTOM|V_SNAPTOLEFT|V_ALLOWLOWERCASE|V_MONOSPACE, chat_log[i]); // get the current message, and word wrap it.
 		UINT8 *colormap = NULL;
 		for(size_t j = 0; msg[j]; j++) // iterate through msg
 		{
 			if (msg[j] == '\n') // get back down.
 			{
-				dy += charheight;
-				dx = 0;
+				if (!prev_linereturn)
+				{
+					dy += charheight;
+					dx = 0;
+				}
+				prev_linereturn = true;
 			}
 			else if (msg[j] & 0x80) // get colormap
 				colormap = V_GetStringColormap(((msg[j] & 0x7f) << V_CHARCOLORSHIFT) & V_CHARCOLORMASK);
-			else if (msg[j] >= FONTSTART)
+			else
 			{
-				if ((y+dy+2 >= chat_topy) && (y+dy < (chat_bottomy)))
-					V_DrawChatCharacter(x + dx + 2, y+dy+2, msg[j] |V_SNAPTOBOTTOM|V_SNAPTOLEFT, true, colormap);
+				prev_linereturn = false;
 
-				dx += charwidth;
-				if (dx >= boxw-charwidth-2 && i<chat_nummsg_log) // end of message shouldn't count, nor should invisible characters!!!!
+				if (msg[j] >= FONTSTART)
+				{
+					if ((y+dy+2 >= chat_topy) && (y+dy < (chat_bottomy)))
+						V_DrawChatCharacter(x + dx + 2, y+dy+2, msg[j] |V_SNAPTOBOTTOM|V_SNAPTOLEFT|V_MONOSPACE, true, colormap);
+
+					dx += charwidth;
+				}
+
+				if (dx >= boxw-charwidth-2 && i < chat_nummsg_log) // end of message shouldn't count, nor should invisible characters!!!!
 				{
 					dx = 0;
 					dy += charheight;
+					prev_linereturn = true;
 				}
 			}
 		}
@@ -2463,53 +2492,20 @@ static inline void HU_DrawSpectatorTicker(void)
 {
 	int i;
 	int length = 0, height = 174;
-	int totallength = 0, templength = 0;
+	int totallength = 0;
 
 	for (i = 0; i < MAXPLAYERS; i++)
 		if (playeringame[i] && players[i].spectator)
 			totallength += (signed)strlen(player_names[i]) * 8 + 16;
 
-	length -= (leveltime % (totallength + BASEVIDWIDTH));
-	length += BASEVIDWIDTH;
+	length -= (leveltime % (totallength + (vid.width / vid.dup)));
+	length += (vid.width / vid.dup);
 
 	for (i = 0; i < MAXPLAYERS; i++)
 		if (playeringame[i] && players[i].spectator)
 		{
-			char *pos;
-			char initial[MAXPLAYERNAME+1];
-			char current[MAXPLAYERNAME+1];
-
-			strcpy(initial, player_names[i]);
-			pos = initial;
-
-			if (length >= -((signed)strlen(player_names[i]) * 8 + 16) && length <= BASEVIDWIDTH)
-			{
-				if (length < 0)
-				{
-					UINT8 eatenchars = (UINT8)(abs(length) / 8 + 1);
-
-					if (eatenchars <= strlen(initial))
-					{
-						// Eat one letter off the left side,
-						// then compensate the drawing position.
-						pos += eatenchars;
-						strcpy(current, pos);
-						templength = length % 8 + 8;
-					}
-					else
-					{
-						strcpy(current, " ");
-						templength = length;
-					}
-				}
-				else
-				{
-					strcpy(current, initial);
-					templength = length;
-				}
-
-				V_DrawString(templength, height + 8, V_TRANSLUCENT|V_ALLOWLOWERCASE, current);
-			}
+			if (length >= -((signed)strlen(player_names[i]) * 8 + 16) && length <= (vid.width / vid.dup))
+				V_DrawString(length, height + 8, V_TRANSLUCENT|V_ALLOWLOWERCASE|V_SNAPTOLEFT, player_names[i]);
 
 			length += (signed)strlen(player_names[i]) * 8 + 16;
 		}
diff --git a/src/info.h b/src/info.h
index 0361f64281150bec03676bd1b8a4baa36a18de22..f58aee07df70b3c6d72478b8b4c3448acfe615ab 100644
--- a/src/info.h
+++ b/src/info.h
@@ -298,276 +298,278 @@ enum actionnum
 	NUMACTIONS
 };
 
+struct mobj_s;
+
 // IMPORTANT NOTE: If you add/remove from this list of action
 // functions, don't forget to update them in deh_tables.c!
-void A_Explode();
-void A_Pain();
-void A_Fall();
-void A_MonitorPop();
-void A_GoldMonitorPop();
-void A_GoldMonitorRestore();
-void A_GoldMonitorSparkle();
-void A_Look();
-void A_Chase();
-void A_FaceStabChase();
-void A_FaceStabRev();
-void A_FaceStabHurl();
-void A_FaceStabMiss();
-void A_StatueBurst();
-void A_FaceTarget();
-void A_FaceTracer();
-void A_Scream();
-void A_BossDeath();
-void A_SetShadowScale();
-void A_ShadowScream(); // MARIA!!!!!!
-void A_CustomPower(); // Use this for a custom power
-void A_GiveWeapon(); // Gives the player weapon(s)
-void A_RingBox(); // Obtained Ring Box Tails
-void A_Invincibility(); // Obtained Invincibility Box
-void A_SuperSneakers(); // Obtained Super Sneakers Box
-void A_BunnyHop(); // have bunny hop tails
-void A_BubbleSpawn(); // Randomly spawn bubbles
-void A_FanBubbleSpawn();
-void A_BubbleRise(); // Bubbles float to surface
-void A_BubbleCheck(); // Don't draw if not underwater
-void A_AwardScore();
-void A_ExtraLife(); // Extra Life
-void A_GiveShield(); // Obtained Shield
-void A_GravityBox();
-void A_ScoreRise(); // Rise the score logo
-void A_AttractChase(); // Ring Chase
-void A_DropMine(); // Drop Mine from Skim or Jetty-Syn Bomber
-void A_FishJump(); // Fish Jump
-void A_ThrownRing(); // Sparkle trail for red ring
-void A_SetSolidSteam();
-void A_UnsetSolidSteam();
-void A_SignSpin();
-void A_SignPlayer();
-void A_OverlayThink();
-void A_JetChase();
-void A_JetbThink(); // Jetty-Syn Bomber Thinker
-void A_JetgThink(); // Jetty-Syn Gunner Thinker
-void A_JetgShoot(); // Jetty-Syn Shoot Function
-void A_ShootBullet(); // JetgShoot without reactiontime setting
-void A_MinusDigging();
-void A_MinusPopup();
-void A_MinusCheck();
-void A_ChickenCheck();
-void A_MouseThink(); // Mouse Thinker
-void A_DetonChase(); // Deton Chaser
-void A_CapeChase(); // Fake little Super Sonic cape
-void A_RotateSpikeBall(); // Spike ball rotation
-void A_SlingAppear();
-void A_UnidusBall();
-void A_RockSpawn();
-void A_SetFuse();
-void A_CrawlaCommanderThink(); // Crawla Commander
-void A_SmokeTrailer();
-void A_RingExplode();
-void A_OldRingExplode();
-void A_MixUp();
-void A_RecyclePowers();
-void A_BossScream();
-void A_Boss2TakeDamage();
-void A_GoopSplat();
-void A_Boss2PogoSFX();
-void A_Boss2PogoTarget();
-void A_EggmanBox();
-void A_TurretFire();
-void A_SuperTurretFire();
-void A_TurretStop();
-void A_JetJawRoam();
-void A_JetJawChomp();
-void A_PointyThink();
-void A_CheckBuddy();
-void A_HoodFire();
-void A_HoodThink();
-void A_HoodFall();
-void A_ArrowBonks();
-void A_SnailerThink();
-void A_SharpChase();
-void A_SharpSpin();
-void A_SharpDecel();
-void A_CrushstaceanWalk();
-void A_CrushstaceanPunch();
-void A_CrushclawAim();
-void A_CrushclawLaunch();
-void A_VultureVtol();
-void A_VultureCheck();
-void A_VultureHover();
-void A_VultureBlast();
-void A_VultureFly();
-void A_SkimChase();
-void A_SkullAttack();
-void A_LobShot();
-void A_FireShot();
-void A_SuperFireShot();
-void A_BossFireShot();
-void A_Boss7FireMissiles();
-void A_Boss1Laser();
-void A_FocusTarget();
-void A_Boss4Reverse();
-void A_Boss4SpeedUp();
-void A_Boss4Raise();
-void A_SparkFollow();
-void A_BuzzFly();
-void A_GuardChase();
-void A_EggShield();
-void A_SetReactionTime();
-void A_Boss1Spikeballs();
-void A_Boss3TakeDamage();
-void A_Boss3Path();
-void A_Boss3ShockThink();
-void A_Shockwave();
-void A_LinedefExecute();
-void A_LinedefExecuteFromArg();
-void A_PlaySeeSound();
-void A_PlayAttackSound();
-void A_PlayActiveSound();
-void A_1upThinker();
-void A_BossZoom(); //Unused
-void A_Boss1Chase();
-void A_Boss2Chase();
-void A_Boss2Pogo();
-void A_Boss7Chase();
-void A_BossJetFume();
-void A_SpawnObjectAbsolute();
-void A_SpawnObjectRelative();
-void A_ChangeAngleRelative();
-void A_ChangeAngleAbsolute();
-void A_RollAngle();
-void A_ChangeRollAngleRelative();
-void A_ChangeRollAngleAbsolute();
-void A_PlaySound();
-void A_FindTarget();
-void A_FindTracer();
-void A_SetTics();
-void A_SetRandomTics();
-void A_ChangeColorRelative();
-void A_ChangeColorAbsolute();
-void A_Dye();
-void A_SetTranslation();
-void A_MoveRelative();
-void A_MoveAbsolute();
-void A_Thrust();
-void A_ZThrust();
-void A_SetTargetsTarget();
-void A_SetObjectFlags();
-void A_SetObjectFlags2();
-void A_RandomState();
-void A_RandomStateRange();
-void A_StateRangeByAngle();
-void A_StateRangeByParameter();
-void A_DualAction();
-void A_RemoteAction();
-void A_ToggleFlameJet();
-void A_OrbitNights();
-void A_GhostMe();
-void A_SetObjectState();
-void A_SetObjectTypeState();
-void A_KnockBack();
-void A_PushAway();
-void A_RingDrain();
-void A_SplitShot();
-void A_MissileSplit();
-void A_MultiShot();
-void A_InstaLoop();
-void A_Custom3DRotate();
-void A_SearchForPlayers();
-void A_CheckRandom();
-void A_CheckTargetRings();
-void A_CheckRings();
-void A_CheckTotalRings();
-void A_CheckHealth();
-void A_CheckRange();
-void A_CheckHeight();
-void A_CheckTrueRange();
-void A_CheckThingCount();
-void A_CheckAmbush();
-void A_CheckCustomValue();
-void A_CheckCusValMemo();
-void A_SetCustomValue();
-void A_UseCusValMemo();
-void A_RelayCustomValue();
-void A_CusValAction();
-void A_ForceStop();
-void A_ForceWin();
-void A_SpikeRetract();
-void A_InfoState();
-void A_Repeat();
-void A_SetScale();
-void A_RemoteDamage();
-void A_HomingChase();
-void A_TrapShot();
-void A_VileTarget();
-void A_VileAttack();
-void A_VileFire();
-void A_BrakChase();
-void A_BrakFireShot();
-void A_BrakLobShot();
-void A_NapalmScatter();
-void A_SpawnFreshCopy();
-void A_FlickySpawn();
-void A_FlickyCenter();
-void A_FlickyAim();
-void A_FlickyFly();
-void A_FlickySoar();
-void A_FlickyCoast();
-void A_FlickyHop();
-void A_FlickyFlounder();
-void A_FlickyCheck();
-void A_FlickyHeightCheck();
-void A_FlickyFlutter();
-void A_FlameParticle();
-void A_FadeOverlay();
-void A_Boss5Jump();
-void A_LightBeamReset();
-void A_MineExplode();
-void A_MineRange();
-void A_ConnectToGround();
-void A_SpawnParticleRelative();
-void A_MultiShotDist();
-void A_WhoCaresIfYourSonIsABee();
-void A_ParentTriesToSleep();
-void A_CryingToMomma();
-void A_CheckFlags2();
-void A_Boss5FindWaypoint();
-void A_DoNPCSkid();
-void A_DoNPCPain();
-void A_PrepareRepeat();
-void A_Boss5ExtraRepeat();
-void A_Boss5Calm();
-void A_Boss5CheckOnGround();
-void A_Boss5CheckFalling();
-void A_Boss5PinchShot();
-void A_Boss5MakeItRain();
-void A_Boss5MakeJunk();
-void A_LookForBetter();
-void A_Boss5BombExplode();
-void A_DustDevilThink();
-void A_TNTExplode();
-void A_DebrisRandom();
-void A_TrainCameo();
-void A_TrainCameo2();
-void A_CanarivoreGas();
-void A_KillSegments();
-void A_SnapperSpawn();
-void A_SnapperThinker();
-void A_SaloonDoorSpawn();
-void A_MinecartSparkThink();
-void A_ModuloToState();
-void A_LavafallRocks();
-void A_LavafallLava();
-void A_FallingLavaCheck();
-void A_FireShrink();
-void A_SpawnPterabytes();
-void A_PterabyteHover();
-void A_RolloutSpawn();
-void A_RolloutRock();
-void A_DragonbomberSpawn();
-void A_DragonWing();
-void A_DragonSegment();
-void A_ChangeHeight();
+void A_Explode(struct mobj_s *actor);
+void A_Pain(struct mobj_s *actor);
+void A_Fall(struct mobj_s *actor);
+void A_MonitorPop(struct mobj_s *actor);
+void A_GoldMonitorPop(struct mobj_s *actor);
+void A_GoldMonitorRestore(struct mobj_s *actor);
+void A_GoldMonitorSparkle(struct mobj_s *actor);
+void A_Look(struct mobj_s *actor);
+void A_Chase(struct mobj_s *actor);
+void A_FaceStabChase(struct mobj_s *actor);
+void A_FaceStabRev(struct mobj_s *actor);
+void A_FaceStabHurl(struct mobj_s *actor);
+void A_FaceStabMiss(struct mobj_s *actor);
+void A_StatueBurst(struct mobj_s *actor);
+void A_FaceTarget(struct mobj_s *actor);
+void A_FaceTracer(struct mobj_s *actor);
+void A_Scream(struct mobj_s *actor);
+void A_BossDeath(struct mobj_s *actor);
+void A_SetShadowScale(struct mobj_s *actor);
+void A_ShadowScream(struct mobj_s *actor); // MARIA!!!!!!
+void A_CustomPower(struct mobj_s *actor); // Use this for a custom power
+void A_GiveWeapon(struct mobj_s *actor); // Gives the player weapon(s)
+void A_RingBox(struct mobj_s *actor); // Obtained Ring Box Tails
+void A_Invincibility(struct mobj_s *actor); // Obtained Invincibility Box
+void A_SuperSneakers(struct mobj_s *actor); // Obtained Super Sneakers Box
+void A_BunnyHop(struct mobj_s *actor); // have bunny hop tails
+void A_BubbleSpawn(struct mobj_s *actor); // Randomly spawn bubbles
+void A_FanBubbleSpawn(struct mobj_s *actor);
+void A_BubbleRise(struct mobj_s *actor); // Bubbles float to surface
+void A_BubbleCheck(struct mobj_s *actor); // Don't draw if not underwater
+void A_AwardScore(struct mobj_s *actor);
+void A_ExtraLife(struct mobj_s *actor); // Extra Life
+void A_GiveShield(struct mobj_s *actor); // Obtained Shield
+void A_GravityBox(struct mobj_s *actor);
+void A_ScoreRise(struct mobj_s *actor); // Rise the score logo
+void A_AttractChase(struct mobj_s *actor); // Ring Chase
+void A_DropMine(struct mobj_s *actor); // Drop Mine from Skim or Jetty-Syn Bomber
+void A_FishJump(struct mobj_s *actor); // Fish Jump
+void A_ThrownRing(struct mobj_s *actor); // Sparkle trail for red ring
+void A_SetSolidSteam(struct mobj_s *actor);
+void A_UnsetSolidSteam(struct mobj_s *actor);
+void A_SignSpin(struct mobj_s *actor);
+void A_SignPlayer(struct mobj_s *actor);
+void A_OverlayThink(struct mobj_s *actor);
+void A_JetChase(struct mobj_s *actor);
+void A_JetbThink(struct mobj_s *actor); // Jetty-Syn Bomber Thinker
+void A_JetgThink(struct mobj_s *actor); // Jetty-Syn Gunner Thinker
+void A_JetgShoot(struct mobj_s *actor); // Jetty-Syn Shoot Function
+void A_ShootBullet(struct mobj_s *actor); // JetgShoot without reactiontime setting
+void A_MinusDigging(struct mobj_s *actor);
+void A_MinusPopup(struct mobj_s *actor);
+void A_MinusCheck(struct mobj_s *actor);
+void A_ChickenCheck(struct mobj_s *actor);
+void A_MouseThink(struct mobj_s *actor); // Mouse Thinker
+void A_DetonChase(struct mobj_s *actor); // Deton Chaser
+void A_CapeChase(struct mobj_s *actor); // Fake little Super Sonic cape
+void A_RotateSpikeBall(struct mobj_s *actor); // Spike ball rotation
+void A_SlingAppear(struct mobj_s *actor);
+void A_UnidusBall(struct mobj_s *actor);
+void A_RockSpawn(struct mobj_s *actor);
+void A_SetFuse(struct mobj_s *actor);
+void A_CrawlaCommanderThink(struct mobj_s *actor); // Crawla Commander
+void A_SmokeTrailer(struct mobj_s *actor);
+void A_RingExplode(struct mobj_s *actor);
+void A_OldRingExplode(struct mobj_s *actor);
+void A_MixUp(struct mobj_s *actor);
+void A_RecyclePowers(struct mobj_s *actor);
+void A_BossScream(struct mobj_s *actor);
+void A_Boss2TakeDamage(struct mobj_s *actor);
+void A_GoopSplat(struct mobj_s *actor);
+void A_Boss2PogoSFX(struct mobj_s *actor);
+void A_Boss2PogoTarget(struct mobj_s *actor);
+void A_EggmanBox(struct mobj_s *actor);
+void A_TurretFire(struct mobj_s *actor);
+void A_SuperTurretFire(struct mobj_s *actor);
+void A_TurretStop(struct mobj_s *actor);
+void A_JetJawRoam(struct mobj_s *actor);
+void A_JetJawChomp(struct mobj_s *actor);
+void A_PointyThink(struct mobj_s *actor);
+void A_CheckBuddy(struct mobj_s *actor);
+void A_HoodFire(struct mobj_s *actor);
+void A_HoodThink(struct mobj_s *actor);
+void A_HoodFall(struct mobj_s *actor);
+void A_ArrowBonks(struct mobj_s *actor);
+void A_SnailerThink(struct mobj_s *actor);
+void A_SharpChase(struct mobj_s *actor);
+void A_SharpSpin(struct mobj_s *actor);
+void A_SharpDecel(struct mobj_s *actor);
+void A_CrushstaceanWalk(struct mobj_s *actor);
+void A_CrushstaceanPunch(struct mobj_s *actor);
+void A_CrushclawAim(struct mobj_s *actor);
+void A_CrushclawLaunch(struct mobj_s *actor);
+void A_VultureVtol(struct mobj_s *actor);
+void A_VultureCheck(struct mobj_s *actor);
+void A_VultureHover(struct mobj_s *actor);
+void A_VultureBlast(struct mobj_s *actor);
+void A_VultureFly(struct mobj_s *actor);
+void A_SkimChase(struct mobj_s *actor);
+void A_SkullAttack(struct mobj_s *actor);
+void A_LobShot(struct mobj_s *actor);
+void A_FireShot(struct mobj_s *actor);
+void A_SuperFireShot(struct mobj_s *actor);
+void A_BossFireShot(struct mobj_s *actor);
+void A_Boss7FireMissiles(struct mobj_s *actor);
+void A_Boss1Laser(struct mobj_s *actor);
+void A_FocusTarget(struct mobj_s *actor);
+void A_Boss4Reverse(struct mobj_s *actor);
+void A_Boss4SpeedUp(struct mobj_s *actor);
+void A_Boss4Raise(struct mobj_s *actor);
+void A_SparkFollow(struct mobj_s *actor);
+void A_BuzzFly(struct mobj_s *actor);
+void A_GuardChase(struct mobj_s *actor);
+void A_EggShield(struct mobj_s *actor);
+void A_SetReactionTime(struct mobj_s *actor);
+void A_Boss1Spikeballs(struct mobj_s *actor);
+void A_Boss3TakeDamage(struct mobj_s *actor);
+void A_Boss3Path(struct mobj_s *actor);
+void A_Boss3ShockThink(struct mobj_s *actor);
+void A_Shockwave(struct mobj_s *actor);
+void A_LinedefExecute(struct mobj_s *actor);
+void A_LinedefExecuteFromArg(struct mobj_s *actor);
+void A_PlaySeeSound(struct mobj_s *actor);
+void A_PlayAttackSound(struct mobj_s *actor);
+void A_PlayActiveSound(struct mobj_s *actor);
+void A_1upThinker(struct mobj_s *actor);
+void A_BossZoom(struct mobj_s *actor); //Unused
+void A_Boss1Chase(struct mobj_s *actor);
+void A_Boss2Chase(struct mobj_s *actor);
+void A_Boss2Pogo(struct mobj_s *actor);
+void A_Boss7Chase(struct mobj_s *actor);
+void A_BossJetFume(struct mobj_s *actor);
+void A_SpawnObjectAbsolute(struct mobj_s *actor);
+void A_SpawnObjectRelative(struct mobj_s *actor);
+void A_ChangeAngleRelative(struct mobj_s *actor);
+void A_ChangeAngleAbsolute(struct mobj_s *actor);
+void A_RollAngle(struct mobj_s *actor);
+void A_ChangeRollAngleRelative(struct mobj_s *actor);
+void A_ChangeRollAngleAbsolute(struct mobj_s *actor);
+void A_PlaySound(struct mobj_s *actor);
+void A_FindTarget(struct mobj_s *actor);
+void A_FindTracer(struct mobj_s *actor);
+void A_SetTics(struct mobj_s *actor);
+void A_SetRandomTics(struct mobj_s *actor);
+void A_ChangeColorRelative(struct mobj_s *actor);
+void A_ChangeColorAbsolute(struct mobj_s *actor);
+void A_Dye(struct mobj_s *actor);
+void A_SetTranslation(struct mobj_s *actor);
+void A_MoveRelative(struct mobj_s *actor);
+void A_MoveAbsolute(struct mobj_s *actor);
+void A_Thrust(struct mobj_s *actor);
+void A_ZThrust(struct mobj_s *actor);
+void A_SetTargetsTarget(struct mobj_s *actor);
+void A_SetObjectFlags(struct mobj_s *actor);
+void A_SetObjectFlags2(struct mobj_s *actor);
+void A_RandomState(struct mobj_s *actor);
+void A_RandomStateRange(struct mobj_s *actor);
+void A_StateRangeByAngle(struct mobj_s *actor);
+void A_StateRangeByParameter(struct mobj_s *actor);
+void A_DualAction(struct mobj_s *actor);
+void A_RemoteAction(struct mobj_s *actor);
+void A_ToggleFlameJet(struct mobj_s *actor);
+void A_OrbitNights(struct mobj_s *actor);
+void A_GhostMe(struct mobj_s *actor);
+void A_SetObjectState(struct mobj_s *actor);
+void A_SetObjectTypeState(struct mobj_s *actor);
+void A_KnockBack(struct mobj_s *actor);
+void A_PushAway(struct mobj_s *actor);
+void A_RingDrain(struct mobj_s *actor);
+void A_SplitShot(struct mobj_s *actor);
+void A_MissileSplit(struct mobj_s *actor);
+void A_MultiShot(struct mobj_s *actor);
+void A_InstaLoop(struct mobj_s *actor);
+void A_Custom3DRotate(struct mobj_s *actor);
+void A_SearchForPlayers(struct mobj_s *actor);
+void A_CheckRandom(struct mobj_s *actor);
+void A_CheckTargetRings(struct mobj_s *actor);
+void A_CheckRings(struct mobj_s *actor);
+void A_CheckTotalRings(struct mobj_s *actor);
+void A_CheckHealth(struct mobj_s *actor);
+void A_CheckRange(struct mobj_s *actor);
+void A_CheckHeight(struct mobj_s *actor);
+void A_CheckTrueRange(struct mobj_s *actor);
+void A_CheckThingCount(struct mobj_s *actor);
+void A_CheckAmbush(struct mobj_s *actor);
+void A_CheckCustomValue(struct mobj_s *actor);
+void A_CheckCusValMemo(struct mobj_s *actor);
+void A_SetCustomValue(struct mobj_s *actor);
+void A_UseCusValMemo(struct mobj_s *actor);
+void A_RelayCustomValue(struct mobj_s *actor);
+void A_CusValAction(struct mobj_s *actor);
+void A_ForceStop(struct mobj_s *actor);
+void A_ForceWin(struct mobj_s *actor);
+void A_SpikeRetract(struct mobj_s *actor);
+void A_InfoState(struct mobj_s *actor);
+void A_Repeat(struct mobj_s *actor);
+void A_SetScale(struct mobj_s *actor);
+void A_RemoteDamage(struct mobj_s *actor);
+void A_HomingChase(struct mobj_s *actor);
+void A_TrapShot(struct mobj_s *actor);
+void A_VileTarget(struct mobj_s *actor);
+void A_VileAttack(struct mobj_s *actor);
+void A_VileFire(struct mobj_s *actor);
+void A_BrakChase(struct mobj_s *actor);
+void A_BrakFireShot(struct mobj_s *actor);
+void A_BrakLobShot(struct mobj_s *actor);
+void A_NapalmScatter(struct mobj_s *actor);
+void A_SpawnFreshCopy(struct mobj_s *actor);
+void A_FlickySpawn(struct mobj_s *actor);
+void A_FlickyCenter(struct mobj_s *actor);
+void A_FlickyAim(struct mobj_s *actor);
+void A_FlickyFly(struct mobj_s *actor);
+void A_FlickySoar(struct mobj_s *actor);
+void A_FlickyCoast(struct mobj_s *actor);
+void A_FlickyHop(struct mobj_s *actor);
+void A_FlickyFlounder(struct mobj_s *actor);
+void A_FlickyCheck(struct mobj_s *actor);
+void A_FlickyHeightCheck(struct mobj_s *actor);
+void A_FlickyFlutter(struct mobj_s *actor);
+void A_FlameParticle(struct mobj_s *actor);
+void A_FadeOverlay(struct mobj_s *actor);
+void A_Boss5Jump(struct mobj_s *actor);
+void A_LightBeamReset(struct mobj_s *actor);
+void A_MineExplode(struct mobj_s *actor);
+void A_MineRange(struct mobj_s *actor);
+void A_ConnectToGround(struct mobj_s *actor);
+void A_SpawnParticleRelative(struct mobj_s *actor);
+void A_MultiShotDist(struct mobj_s *actor);
+void A_WhoCaresIfYourSonIsABee(struct mobj_s *actor);
+void A_ParentTriesToSleep(struct mobj_s *actor);
+void A_CryingToMomma(struct mobj_s *actor);
+void A_CheckFlags2(struct mobj_s *actor);
+void A_Boss5FindWaypoint(struct mobj_s *actor);
+void A_DoNPCSkid(struct mobj_s *actor);
+void A_DoNPCPain(struct mobj_s *actor);
+void A_PrepareRepeat(struct mobj_s *actor);
+void A_Boss5ExtraRepeat(struct mobj_s *actor);
+void A_Boss5Calm(struct mobj_s *actor);
+void A_Boss5CheckOnGround(struct mobj_s *actor);
+void A_Boss5CheckFalling(struct mobj_s *actor);
+void A_Boss5PinchShot(struct mobj_s *actor);
+void A_Boss5MakeItRain(struct mobj_s *actor);
+void A_Boss5MakeJunk(struct mobj_s *actor);
+void A_LookForBetter(struct mobj_s *actor);
+void A_Boss5BombExplode(struct mobj_s *actor);
+void A_DustDevilThink(struct mobj_s *actor);
+void A_TNTExplode(struct mobj_s *actor);
+void A_DebrisRandom(struct mobj_s *actor);
+void A_TrainCameo(struct mobj_s *actor);
+void A_TrainCameo2(struct mobj_s *actor);
+void A_CanarivoreGas(struct mobj_s *actor);
+void A_KillSegments(struct mobj_s *actor);
+void A_SnapperSpawn(struct mobj_s *actor);
+void A_SnapperThinker(struct mobj_s *actor);
+void A_SaloonDoorSpawn(struct mobj_s *actor);
+void A_MinecartSparkThink(struct mobj_s *actor);
+void A_ModuloToState(struct mobj_s *actor);
+void A_LavafallRocks(struct mobj_s *actor);
+void A_LavafallLava(struct mobj_s *actor);
+void A_FallingLavaCheck(struct mobj_s *actor);
+void A_FireShrink(struct mobj_s *actor);
+void A_SpawnPterabytes(struct mobj_s *actor);
+void A_PterabyteHover(struct mobj_s *actor);
+void A_RolloutSpawn(struct mobj_s *actor);
+void A_RolloutRock(struct mobj_s *actor);
+void A_DragonbomberSpawn(struct mobj_s *actor);
+void A_DragonWing(struct mobj_s *actor);
+void A_DragonSegment(struct mobj_s *actor);
+void A_ChangeHeight(struct mobj_s *actor);
 
 extern int actionsoverridden[NUMACTIONS][MAX_ACTION_RECURSION];
 
diff --git a/src/lua_baselib.c b/src/lua_baselib.c
index dc6a26c81cad44756c0af27c044de79c16ce69de..304c866c9c9ee6c8fc78b0c860a8a0ed09d83cb3 100644
--- a/src/lua_baselib.c
+++ b/src/lua_baselib.c
@@ -184,8 +184,10 @@ static const struct {
 	{META_SKIN,         "skin_t"},
 	{META_POWERS,       "player_t.powers"},
 	{META_SOUNDSID,     "skin_t.soundsid"},
-	{META_SKINSPRITES,  "skin_t.sprites"},
-	{META_SKINSPRITESLIST,  "skin_t.sprites[]"},
+
+	{META_SKINSPRITES,       "skin_t.skinsprites"},
+	{META_SKINSPRITESLIST,   "skin_t.skinsprites[]"},
+	{META_SKINSPRITESCOMPAT, "skin_t.sprites"}, // TODO: 2.3: Delete
 
 	{META_VERTEX,       "vertex_t"},
 	{META_LINE,         "line_t"},
@@ -653,7 +655,7 @@ static int lib_pSpawnMobj(lua_State *L)
 	NOHUD
 	INLEVEL
 	NOSPAWNNULL
-	LUA_PushUserdata(L, P_SpawnMobj(x, y, z, type), META_MOBJ);
+	LUA_PushUserdata(L, P_SpawnMobj(x, y, z, type, NULL), META_MOBJ);
 	return 1;
 }
 
@@ -3876,7 +3878,7 @@ static int lib_gAddPlayer(lua_State *L)
 	player_t *newplayer;
 	SINT8 skinnum = 0, bot;
 
-	for (i = 0; i < MAXPLAYERS; i++)
+	for (i = 1; i < MAXPLAYERS; i++)
 	{
 		if (!playeringame[i])
 			break;
diff --git a/src/lua_libs.h b/src/lua_libs.h
index a90d8ac7fb800c426e7bef94538803366a835b8b..90c7bba7c6f247c100dd619d05f54e57edc6d468 100644
--- a/src/lua_libs.h
+++ b/src/lua_libs.h
@@ -42,8 +42,9 @@ extern boolean ignoregameinputs;
 #define META_SKIN "SKIN_T*"
 #define META_POWERS "PLAYER_T*POWERS"
 #define META_SOUNDSID "SKIN_T*SOUNDSID"
-#define META_SKINSPRITES "SKIN_T*SPRITES"
-#define META_SKINSPRITESLIST "SKIN_T*SPRITES[]"
+#define META_SKINSPRITES "SKIN_T*SKINSPRITES"
+#define META_SKINSPRITESLIST "SKIN_T*SKINSPRITES[]"
+#define META_SKINSPRITESCOMPAT "SKIN_T*SPRITES" // TODO: 2.3: Delete
 
 #define META_VERTEX "VERTEX_T*"
 #define META_LINE "LINE_T*"
diff --git a/src/lua_maplib.c b/src/lua_maplib.c
index 6b489f22b1939941c0ebf83a5a3ae0b7e215de5a..9985e5631201752eddf1ba2abc71aa7304da8f62 100644
--- a/src/lua_maplib.c
+++ b/src/lua_maplib.c
@@ -213,6 +213,14 @@ enum side_e {
 	side_sector,
 	side_special,
 	side_repeatcnt,
+	side_light,
+	side_light_top,
+	side_light_mid,
+	side_light_bottom,
+	side_lightabsolute,
+	side_lightabsolute_top,
+	side_lightabsolute_mid,
+	side_lightabsolute_bottom,
 	side_text
 };
 
@@ -241,6 +249,14 @@ static const char *const side_opt[] = {
 	"sector",
 	"special",
 	"repeatcnt",
+	"light",
+	"light_top",
+	"light_mid",
+	"light_bottom",
+	"lightabsolute",
+	"lightabsolute_top",
+	"lightabsolute_mid",
+	"lightabsolute_bottom",
 	"text",
 	NULL};
 
@@ -1311,6 +1327,30 @@ static int side_get(lua_State *L)
 	case side_repeatcnt:
 		lua_pushinteger(L, side->repeatcnt);
 		return 1;
+	case side_light:
+		lua_pushinteger(L, side->light);
+		return 1;
+	case side_light_top:
+		lua_pushinteger(L, side->light_top);
+		return 1;
+	case side_light_mid:
+		lua_pushinteger(L, side->light_mid);
+		return 1;
+	case side_light_bottom:
+		lua_pushinteger(L, side->light_bottom);
+		return 1;
+	case side_lightabsolute:
+		lua_pushboolean(L, side->lightabsolute);
+		return 1;
+	case side_lightabsolute_top:
+		lua_pushboolean(L, side->lightabsolute_top);
+		return 1;
+	case side_lightabsolute_mid:
+		lua_pushboolean(L, side->lightabsolute_mid);
+		return 1;
+	case side_lightabsolute_bottom:
+		lua_pushboolean(L, side->lightabsolute_bottom);
+		return 1;
 	// TODO: 2.3: Delete
 	case side_text:
 		{
@@ -1413,6 +1453,30 @@ static int side_set(lua_State *L)
 	case side_repeatcnt:
 		side->repeatcnt = luaL_checkinteger(L, 3);
 		break;
+	case side_light:
+		side->light = luaL_checkinteger(L, 3);
+		break;
+	case side_light_top:
+		side->light_top = luaL_checkinteger(L, 3);
+		break;
+	case side_light_mid:
+		side->light_mid = luaL_checkinteger(L, 3);
+		break;
+	case side_light_bottom:
+		side->light_bottom = luaL_checkinteger(L, 3);
+		break;
+	case side_lightabsolute:
+		side->lightabsolute = luaL_checkboolean(L, 3);
+		break;
+	case side_lightabsolute_top:
+		side->lightabsolute_top = luaL_checkboolean(L, 3);
+		break;
+	case side_lightabsolute_mid:
+		side->lightabsolute_mid = luaL_checkboolean(L, 3);
+		break;
+	case side_lightabsolute_bottom:
+		side->lightabsolute_bottom = luaL_checkboolean(L, 3);
+		break;
 	}
 	return 0;
 }
diff --git a/src/lua_mobjlib.c b/src/lua_mobjlib.c
index de7065790abb137e82f505c961215ca6acb10429..eadcbe33b0b676447f43f6479693046e507c02b6 100644
--- a/src/lua_mobjlib.c
+++ b/src/lua_mobjlib.c
@@ -69,6 +69,7 @@ enum mobj_e {
 	mobj_color,
 	mobj_translation,
 	mobj_blendmode,
+	mobj_alpha,
 	mobj_bnext,
 	mobj_bprev,
 	mobj_hnext,
@@ -150,6 +151,7 @@ static const char *const mobj_opt[] = {
 	"color",
 	"translation",
 	"blendmode",
+	"alpha",
 	"bnext",
 	"bprev",
 	"hnext",
@@ -354,6 +356,9 @@ static int mobj_get(lua_State *L)
 	case mobj_blendmode:
 		lua_pushinteger(L, mo->blendmode);
 		break;
+	case mobj_alpha:
+		lua_pushfixed(L, mo->alpha);
+		break;
 	case mobj_bnext:
 		if (mo->blocknode && mo->blocknode->bnext) {
 			LUA_PushUserdata(L, mo->blocknode->bnext->mobj, META_MOBJ);
@@ -733,6 +738,16 @@ static int mobj_set(lua_State *L)
 		mo->blendmode = blendmode;
 		break;
 	}
+	case mobj_alpha:
+	{
+		fixed_t alpha = luaL_checkfixed(L, 3);
+		if (alpha < 0)
+			alpha = 0;
+		else if (alpha > FRACUNIT)
+			alpha = FRACUNIT;
+		mo->alpha = alpha;
+		break;
+	}
 	case mobj_bnext:
 		return NOSETPOS;
 	case mobj_bprev:
diff --git a/src/lua_skinlib.c b/src/lua_skinlib.c
index 24d948a6735c3c723dcbf86c285a23c8367090dd..26f4011d34a6328b3b76bd3dde67ae275bfcd824 100644
--- a/src/lua_skinlib.c
+++ b/src/lua_skinlib.c
@@ -54,7 +54,8 @@ enum skin {
 	skin_contspeed,
 	skin_contangle,
 	skin_soundsid,
-	skin_sprites,
+	skin_sprites, // TODO: 2.3: Delete
+	skin_skinsprites,
 	skin_supersprites,
 	skin_natkcolor
 };
@@ -95,7 +96,8 @@ static const char *const skin_opt[] = {
 	"contspeed",
 	"contangle",
 	"soundsid",
-	"sprites",
+	"sprites", // TODO: 2.3: Delete
+	"skinsprites",
 	"supersprites",
 	"natkcolor",
 	NULL};
@@ -219,7 +221,10 @@ static int skin_get(lua_State *L)
 	case skin_soundsid:
 		LUA_PushUserdata(L, skin->soundsid, META_SOUNDSID);
 		break;
-	case skin_sprites:
+	case skin_sprites: // TODO: 2.3: Delete
+		LUA_PushUserdata(L, skin->sprites_compat, META_SKINSPRITESCOMPAT);
+		break;
+	case skin_skinsprites:
 		LUA_PushUserdata(L, skin->sprites, META_SKINSPRITES);
 		break;
 	case skin_supersprites:
@@ -338,15 +343,7 @@ static int soundsid_num(lua_State *L)
 	return 1;
 }
 
-enum spritesopt {
-	numframes = 0
-};
-
-static const char *const sprites_opt[] = {
-	"numframes",
-	NULL};
-
-// skin.sprites[i] -> sprites[i]
+// skin.skinsprites[i] -> sprites[i]
 static int lib_getSkinSprite(lua_State *L)
 {
 	spritedef_t *sksprites = *(spritedef_t **)luaL_checkudata(L, 1, META_SKINSPRITES);
@@ -359,13 +356,43 @@ static int lib_getSkinSprite(lua_State *L)
 	return 1;
 }
 
-// #skin.sprites -> NUMPLAYERSPRITES
+// #skin.skinsprites -> NUMPLAYERSPRITES
 static int lib_numSkinsSprites(lua_State *L)
 {
 	lua_pushinteger(L, NUMPLAYERSPRITES);
 	return 1;
 }
 
+// TODO: 2.3: Delete
+// skin.sprites[i] -> sprites[i]
+static int lib_getSkinSpriteCompat(lua_State *L)
+{
+	spritedef_t *sksprites = *(spritedef_t **)luaL_checkudata(L, 1, META_SKINSPRITESCOMPAT);
+	playersprite_t i = luaL_checkinteger(L, 2);
+
+	if (i < 0 || i >= NUMPLAYERSPRITES*2)
+		return luaL_error(L, "skin sprites index %d out of range (0 - %d)", i, (NUMPLAYERSPRITES*2)-1);
+
+	LUA_PushUserdata(L, &sksprites[i], META_SKINSPRITESLIST);
+	return 1;
+}
+
+// TODO: 2.3: Delete
+// #skin.sprites -> NUMPLAYERSPRITES*2
+static int lib_numSkinsSpritesCompat(lua_State *L)
+{
+	lua_pushinteger(L, NUMPLAYERSPRITES*2);
+	return 1;
+}
+
+enum spritesopt {
+	numframes = 0
+};
+
+static const char *const sprites_opt[] = {
+	"numframes",
+	NULL};
+
 static int sprite_get(lua_State *L)
 {
 	spritedef_t *sprite = *(spritedef_t **)luaL_checkudata(L, 1, META_SKINSPRITESLIST);
@@ -387,6 +414,7 @@ int LUA_SkinLib(lua_State *L)
 	LUA_RegisterUserdataMetatable(L, META_SOUNDSID, soundsid_get, NULL, soundsid_num);
 	LUA_RegisterUserdataMetatable(L, META_SKINSPRITES, lib_getSkinSprite, NULL, lib_numSkinsSprites);
 	LUA_RegisterUserdataMetatable(L, META_SKINSPRITESLIST, sprite_get, NULL, NULL);
+	LUA_RegisterUserdataMetatable(L, META_SKINSPRITESCOMPAT, lib_getSkinSpriteCompat, NULL, lib_numSkinsSpritesCompat); // TODO: 2.3: Delete
 
 	skin_fields_ref = Lua_CreateFieldTable(L, skin_opt);
 
diff --git a/src/m_cond.c b/src/m_cond.c
index 5a5913297157e24ada893ca5fad77a4d38ffd3e3..fa6cda223c376b2f458605ec4f99e23e1c28c2d2 100644
--- a/src/m_cond.c
+++ b/src/m_cond.c
@@ -494,6 +494,12 @@ UINT8 M_MapLocked(INT32 mapnum, gamedata_t *data)
 
 UINT8 M_CampaignWarpIsCheat(INT32 gt, INT32 mapnum, gamedata_t *data)
 {
+	if (dedicated)
+	{
+		// See M_MapLocked; don't make dedicated servers annoying.
+		return false;
+	}
+
 	if (M_MapLocked(mapnum, data) == true)
 	{
 		// Warping to locked maps is definitely always a cheat
diff --git a/src/m_menu.c b/src/m_menu.c
index 38165472e53459d93dc3f3cffa2a81ecce2d9de7..301c4007538f4823ddd45ad33d0403c89c21e52e 100644
--- a/src/m_menu.c
+++ b/src/m_menu.c
@@ -140,6 +140,7 @@ static char *char_notes = NULL;
 
 boolean menuactive = false;
 boolean fromlevelselect = false;
+tic_t shieldprompt_timer = 0; // Show a prompt about the new Shield button for old configs // TODO: 2.3: Remove
 
 typedef enum
 {
@@ -3161,6 +3162,7 @@ static void Command_Manual_f(void)
 	if (modeattacking)
 		return;
 	M_StartControlPanel();
+	if (shieldprompt_timer) return; // TODO: 2.3: Delete this line
 	currentMenu = &MISC_HelpDef;
 	itemOn = 0;
 }
@@ -3340,6 +3342,7 @@ boolean M_Responder(event_t *ev)
 				if (modeattacking)
 					return true;
 				M_StartControlPanel();
+				if (shieldprompt_timer) return true; // TODO: 2.3: Delete this line
 				M_Options(0);
 				// Uncomment the below if you want the menu to reset to the top each time like before. M_SetupNextMenu will fix it automatically.
 				//OP_SoundOptionsDef.lastOn = 0;
@@ -3350,6 +3353,7 @@ boolean M_Responder(event_t *ev)
 				if (modeattacking)
 					return true;
 				M_StartControlPanel();
+				if (shieldprompt_timer) return true; // TODO: 2.3: Delete this line
 				M_Options(0);
 				M_VideoModeMenu(0);
 				return true;
@@ -3361,6 +3365,7 @@ boolean M_Responder(event_t *ev)
 				if (modeattacking)
 					return true;
 				M_StartControlPanel();
+				if (shieldprompt_timer) return true; // TODO: 2.3: Delete this line
 				M_Options(0);
 				M_SetupNextMenu(&OP_MainDef);
 				return true;
@@ -3631,6 +3636,230 @@ void M_Drawer(void)
 	}
 }
 
+// Handle the "Do you want to assign Shield Ability now?" pop-up for old configs // TODO: 2.3: Remove this line...
+static UINT8 shieldprompt_currentchoice = 0; // ...and this line...
+
+static void M_ShieldPromptUseDefaults(void) // ...and this function
+{
+	// With a default config from v2.2.10 to v2.2.13, the B button will be set to Custom 1,
+	// and Controls per Key defaults to "One", so it will override the default Shield button.
+	// A default config from v2.2.0 to v2.2.9 has Next Weapon on B, so it suffers from this too.
+
+	// So for "Use default Shield Ability buttons", we should update old configs to mitigate gamepad conflicts
+	// (even with "Several" Controls per Key!), and show a message with the default bindings
+
+	for (setupcontrols = gamecontrol; true; setupcontrols = gamecontrolbis) // Do stuff for both P1 and P2
+	{
+		INT32 JOY1 = (setupcontrols == gamecontrol) ? KEY_JOY1 : KEY_2JOY1; // Is this for P1 or for P2?
+
+		if ((setupcontrols[GC_CUSTOM1][0] == JOY1+1 || setupcontrols[GC_CUSTOM1][1] == JOY1+1)
+		&&  (setupcontrols[GC_CUSTOM2][0] == JOY1+3 || setupcontrols[GC_CUSTOM2][1] == JOY1+3)
+		&&  (setupcontrols[GC_CUSTOM3][0] == JOY1+8 || setupcontrols[GC_CUSTOM3][1] == JOY1+8))
+		{
+			// If the player has v2.2.13's default gamepad Custom 1/2/3 buttons,
+			// shuffle Custom 1/2/3 around to make room for Shield Ability on B
+			UINT8 shield_slot  = (setupcontrols[GC_SHIELD ][0] == KEY_NULL  ) ? 0 : 1;
+			UINT8 custom1_slot = (setupcontrols[GC_CUSTOM1][0] == JOY1+1) ? 0 : 1;
+			UINT8 custom2_slot = (setupcontrols[GC_CUSTOM2][0] == JOY1+3) ? 0 : 1;
+			UINT8 custom3_slot = (setupcontrols[GC_CUSTOM3][0] == JOY1+8) ? 0 : 1;
+
+			setupcontrols[GC_SHIELD ][shield_slot ] = JOY1+1; // Assign Shield Ability to B
+			setupcontrols[GC_CUSTOM1][custom1_slot] = JOY1+3; // Move Custom 1 from B to Y
+			setupcontrols[GC_CUSTOM2][custom2_slot] = JOY1+8; // Move Custom 2 from Y to LS
+			setupcontrols[GC_CUSTOM3][custom3_slot] = KEY_NULL; // Unassign Custom 3 from LS...
+			// (The alternative would be to check and update the ENTIRE gamepad layout.
+			// That'd be nice, but it would mess with people that are used to the old defaults.)
+		}
+		else if ((setupcontrols[GC_WEAPONNEXT][0] == JOY1+1 || setupcontrols[GC_WEAPONNEXT][1] == JOY1+1)
+		&&       (setupcontrols[GC_WEAPONPREV][0] == JOY1+2 || setupcontrols[GC_WEAPONPREV][1] == JOY1+2))
+		{
+			// Or if the user has a default config from v2.2.0 to v2.2.9,
+			// the B button will be Next Weapon, and X will be Previous Weapon.
+			// It's "safe" to discard one of them, you just have to press X multiple times to select in the other direction
+			UINT8 shield_slot  = (setupcontrols[GC_SHIELD    ][0] == KEY_NULL  ) ? 0 : 1;
+			UINT8 nweapon_slot = (setupcontrols[GC_WEAPONNEXT][0] == JOY1+1) ? 0 : 1;
+			UINT8 pweapon_slot = (setupcontrols[GC_WEAPONPREV][0] == JOY1+2) ? 0 : 1;
+
+			setupcontrols[GC_SHIELD    ][shield_slot ] = JOY1+1; // Assign Shield Ability to B
+			setupcontrols[GC_WEAPONNEXT][nweapon_slot] = JOY1+3; // Move Next Weapon from B to X
+			setupcontrols[GC_WEAPONPREV][pweapon_slot] = KEY_NULL; // Unassign Previous Weapon from X
+		}
+
+		if (setupcontrols == gamecontrolbis) // If we've already updated both players, break out
+			break;
+	}
+
+
+	// Now, show a message about the default Shield Ability bindings
+	if ((gamecontrol[GC_SHIELD][0] == KEY_LALT && gamecontrol[GC_SHIELD][1] == KEY_JOY1+1)
+	||  (gamecontrol[GC_SHIELD][0] == KEY_JOY1+1 && gamecontrol[GC_SHIELD][1] == KEY_LALT))
+	{
+		// Left Alt and the B button are both assigned
+		M_StartMessage(M_GetText("Shield Ability defaults to\nthe \x82""Left Alt\x80"" key on keyboard,\nand the \x85""B button\x80"" on gamepads."
+		"\n\nYou can always reassign it\nin the Options menu later."
+		"\n\n\nPress 'Enter' to continue\n"),
+			NULL, MM_NOTHING);
+		MessageDef.x = 43; // Change the pop-up message's background position/width
+		MessageDef.lastOn = (MessageDef.lastOn & ~0xFF) | 27;
+	}
+	else if (gamecontrol[GC_SHIELD][0] == KEY_LALT || gamecontrol[GC_SHIELD][1] == KEY_LALT)
+	{
+		// Left Alt is assigned, but the B button isn't.
+		M_StartMessage(M_GetText("Shield Ability defaults to\nthe \x82""Left Alt\x80"" key on keyboard.\nThe \x85""B button\x80"" on gamepads was taken."
+		"\n\nYou can always reassign it\nin the Options menu later."
+		"\n\n\nPress 'Enter' to continue\n"),
+			NULL, MM_NOTHING);
+		MessageDef.x = 24; // Change the pop-up message's background position/width
+		MessageDef.lastOn = (MessageDef.lastOn & ~0xFF) | 32;
+	}
+	else if (gamecontrol[GC_SHIELD][0] == KEY_JOY1+1 || gamecontrol[GC_SHIELD][1] == KEY_JOY1+1)
+	{
+		// The B button is assigned, but Left Alt isn't
+		M_StartMessage(M_GetText("Shield Ability defaults to\nthe \x85""B button\x80"" on gamepads.\nThe \x82""Left Alt\x80"" key on keyboard was taken."
+		"\n\nYou can always reassign it\nin the Options menu later."
+		"\n\n\nPress 'Enter' to continue\n"),
+			NULL, MM_NOTHING);
+		MessageDef.x = 8; // Change the pop-up message's background position/width
+		MessageDef.lastOn = (MessageDef.lastOn & ~0xFF) | 36;
+	}
+	else if (gamecontrol[GC_SHIELD][0] == KEY_NULL && gamecontrol[GC_SHIELD][1] == KEY_NULL)
+	{
+		// Neither Left Alt nor the B button are assigned
+		M_StartMessage(M_GetText("Shield Ability is unassigned!\nThe \x82""Left Alt\x80"" key on keyboard and\nthe \x85""B button\x80"" on gamepads were taken."
+		"\n\nYou should assign Shield Ability\nin the Options menu later."
+		"\n\n\nPress 'Enter' to continue\n"),
+			NULL, MM_NOTHING);
+		MessageDef.x = 19; // Change the pop-up message's background position/width
+		MessageDef.lastOn = (MessageDef.lastOn & ~0xFF) | 33;
+	}
+	else
+	{
+		// Neither Left Alt nor the B button are assigned... but something else is???
+		// (This can technically happen if you edit your config or use setcontrol in the console before opening the menu)
+		char keystr[16+16+2+7+1]; // Two 16-char keys + two colour codes + "' and '" + null
+
+		if (gamecontrol[GC_SHIELD][0] != KEY_NULL && gamecontrol[GC_SHIELD][1] != KEY_NULL)
+			STRBUFCPY(keystr, va("%s\x80""' and '\x82""%s",
+				G_KeyNumToName(gamecontrol[GC_SHIELD][0]),
+				G_KeyNumToName(gamecontrol[GC_SHIELD][1])));
+		else if (gamecontrol[GC_SHIELD][0] != KEY_NULL)
+			STRBUFCPY(keystr, G_KeyNumToName(gamecontrol[GC_SHIELD][0]));
+		else //if (gamecontrol[GC_SHIELD][1] != KEY_NULL)
+			STRBUFCPY(keystr, G_KeyNumToName(gamecontrol[GC_SHIELD][1]));
+
+		M_StartMessage(va("Shield Ability is assigned to\n'\x82""%s\x80""'."
+		"\n\nYou can always reassign it\nin the Options menu later."
+		"\n\n\nPress 'Enter' to continue\n",
+			keystr), NULL, MM_NOTHING);
+		MessageDef.x = 23; // Change the pop-up message's background position/width
+		MessageDef.lastOn = (MessageDef.lastOn & ~0xFF) | 32;
+	}
+}
+
+static void M_HandleShieldPromptMenu(INT32 choice) // TODO: 2.3: Remove
+{
+	switch (choice)
+	{
+		case KEY_ESCAPE:
+			if (I_GetTime() <= shieldprompt_timer) // Don't mash past the pop-up by accident!
+				break;
+
+			S_StartSound(NULL, sfx_menu1);
+			noFurtherInput = true;
+			shieldprompt_timer = 0;
+			M_ShieldPromptUseDefaults();
+			break;
+
+		case KEY_ENTER:
+			if (I_GetTime() <= shieldprompt_timer) // Don't mash past the pop-up by accident!
+				break;
+
+			S_StartSound(NULL, sfx_menu1);
+			noFurtherInput = true;
+			shieldprompt_timer = 0;
+
+			if (shieldprompt_currentchoice == 0)
+			{
+				OP_ChangeControlsDef.lastOn = 8; // Highlight Shield Ability in the controls menu
+				M_Setup1PControlsMenu(0); // Set up P1's controls menu and call M_SetupNextMenu
+			}
+			else if (shieldprompt_currentchoice == 1) // Copy the Spin buttons to the Shield buttons
+			{
+				CV_SetValue(&cv_controlperkey, 2); // Make sure that Controls per Key is "Several"
+
+				gamecontrol   [GC_SHIELD][0] = gamecontrol   [GC_SPIN][0];
+				gamecontrol   [GC_SHIELD][1] = gamecontrol   [GC_SPIN][1];
+				gamecontrolbis[GC_SHIELD][0] = gamecontrolbis[GC_SPIN][0];
+				gamecontrolbis[GC_SHIELD][1] = gamecontrolbis[GC_SPIN][1];
+				CV_SetValue(&cv_shieldaxis,  cv_spinaxis.value);
+				CV_SetValue(&cv_shieldaxis2, cv_spinaxis2.value);
+
+				M_StartMessage(M_GetText("Spin and Shield Ability are now\nthe same button."
+				"\n\nYou can always reassign them\nin the Options menu later."
+				"\n\n\nPress 'Enter' to continue\n"),
+					NULL, MM_NOTHING);
+				MessageDef.x = 36; // Change the pop-up message's background position/width
+				MessageDef.lastOn = (MessageDef.lastOn & ~0xFF) | 29;
+			}
+			else
+				M_ShieldPromptUseDefaults();
+			break;
+
+		case KEY_UPARROW:
+			S_StartSound(NULL, sfx_menu1);
+			shieldprompt_currentchoice = (shieldprompt_currentchoice+2)%3;
+			break;
+
+		case KEY_DOWNARROW:
+			S_StartSound(NULL, sfx_menu1);
+			shieldprompt_currentchoice = (shieldprompt_currentchoice+1)%3;
+			break;
+	}
+
+	MessageDef.prevMenu = &MainDef;
+}
+
+static void M_DrawShieldPromptMenu(void) // TODO: 2.3: Remove
+{
+	INT16 cursorx = (BASEVIDWIDTH/2) - 24;
+
+	V_DrawFill(10-3, 68-3, 300+6, 40+6, 159);
+	// V_DrawCenteredString doesn't centre newlines, so we have to draw each line separately
+	V_DrawCenteredString(BASEVIDWIDTH/2, 68, V_ALLOWLOWERCASE, "Welcome back! Since you last played,");
+	V_DrawCenteredString(BASEVIDWIDTH/2, 76, V_ALLOWLOWERCASE, "Spin has been split into separate");
+	V_DrawCenteredString(BASEVIDWIDTH/2, 84, V_ALLOWLOWERCASE, "\"Spin\" and \"Shield Ability\" controls.");
+
+	V_DrawCenteredString(BASEVIDWIDTH/2, 98, V_ALLOWLOWERCASE, "Do you want to assign Shield Ability now?");
+
+
+	V_DrawCenteredString(BASEVIDWIDTH/2, 164,
+		(shieldprompt_currentchoice == 0) ? V_YELLOWMAP : 0, "Open Control Setup");
+	V_DrawCenteredString(BASEVIDWIDTH/2, 172,
+		(shieldprompt_currentchoice == 1) ? V_YELLOWMAP : 0, "Keep the old behaviour");
+	V_DrawCenteredString(BASEVIDWIDTH/2, 180,
+		(shieldprompt_currentchoice == 2) ? V_YELLOWMAP : 0, "Use default Shield Ability buttons");
+
+	switch (shieldprompt_currentchoice)
+	{
+		case 0:  cursorx -= V_StringWidth("Open Control Setup",                 0)/2; break;
+		case 1:  cursorx -= V_StringWidth("Keep the old behaviour",             0)/2; break;
+		default: cursorx -= V_StringWidth("Use default Shield Ability buttons", 0)/2; break;
+	}
+	V_DrawScaledPatch(cursorx, 164 + (shieldprompt_currentchoice*8), 0, W_CachePatchName("M_CURSOR", PU_PATCH));
+}
+
+static menuitem_t OP_ShieldPromptMenu[] = {{IT_KEYHANDLER | IT_NOTHING, NULL, "", M_HandleShieldPromptMenu, 0}}; // TODO: 2.3: Remove
+
+menu_t OP_ShieldPromptDef = { // TODO: 2.3: Remove
+	MN_SPECIAL,
+	NULL,
+	1,
+	&MainDef,
+	OP_ShieldPromptMenu,
+	M_DrawShieldPromptMenu,
+	0, 0, 0, NULL
+};
+
 //
 // M_StartControlPanel
 //
@@ -3662,6 +3891,15 @@ void M_StartControlPanel(void)
 		currentMenu = &MainDef;
 		itemOn = singleplr;
 		M_UpdateItemOn();
+
+		if (shieldprompt_timer) // For old configs, show a pop-up about the new Shield button // TODO: 2.3: Remove
+		{
+			S_StartSound(NULL, sfx_strpst);
+			noFurtherInput = true;
+			shieldprompt_timer = I_GetTime() + TICRATE; // Don't mash past the pop-up by accident!
+
+			M_SetupNextMenu(&OP_ShieldPromptDef);
+		}
 	}
 	else if (modeattacking)
 	{
@@ -8372,7 +8610,7 @@ static void M_DrawLoadGameData(void)
 				if (savegameinfo[savetodraw].lives == -42)
 					col = 26;
 				else if (savegameinfo[savetodraw].botskin == 3) // & knuckles
-					col = 105;
+					col = 106;
 				else if (savegameinfo[savetodraw].botskin) // tailsbot or custom
 					col = 134;
 				else
@@ -8432,7 +8670,17 @@ static void M_DrawLoadGameData(void)
 			if (savegameinfo[savetodraw].lives == -42)
 				V_DrawRightAlignedThinString(x + 79, y, V_GRAYMAP, "NEW GAME");
 			else if (savegameinfo[savetodraw].lives == -666)
-				V_DrawRightAlignedThinString(x + 79, y, V_REDMAP, "CAN'T LOAD!");
+			{
+				if (savegameinfo[savetodraw].continuescore == -62)
+				{
+					V_DrawRightAlignedThinString(x + 79, y, V_REDMAP, "ADDON NOT LOADED");
+					V_DrawRightAlignedThinString(x + 79, y-10, V_REDMAP, savegameinfo[savetodraw].skinname);
+				}
+				else
+				{
+					V_DrawRightAlignedThinString(x + 79, y, V_REDMAP, "CAN'T LOAD!");
+				}
+			}
 			else if (savegameinfo[savetodraw].gamemap & 8192)
 				V_DrawRightAlignedThinString(x + 79, y, V_GREENMAP, "CLEAR!");
 			else
@@ -8665,6 +8913,7 @@ static void M_LoadSelect(INT32 choice)
 }
 
 #define VERSIONSIZE 16
+#define MISSING { savegameinfo[slot].continuescore = -62; savegameinfo[slot].lives = -666; Z_Free(savebuffer); return; }
 #define BADSAVE { savegameinfo[slot].lives = -666; Z_Free(savebuffer); return; }
 #define CHECKPOS if (sav_p >= end_p) BADSAVE
 // Reads the save file to list lives, level, player, etc.
@@ -8761,10 +9010,11 @@ static void M_ReadSavegameInfo(UINT32 slot)
 		CHECKPOS
 		READSTRINGN(sav_p, ourSkinName, SKINNAMESIZE);
 		savegameinfo[slot].skinnum = R_SkinAvailable(ourSkinName);
+		STRBUFCPY(savegameinfo[slot].skinname, ourSkinName);
 
 		if (savegameinfo[slot].skinnum >= numskins
 		|| !R_SkinUsable(-1, savegameinfo[slot].skinnum))
-			BADSAVE
+			MISSING
 
 		CHECKPOS
 		READSTRINGN(sav_p, botSkinName, SKINNAMESIZE);
@@ -8772,7 +9022,7 @@ static void M_ReadSavegameInfo(UINT32 slot)
 
 		if (savegameinfo[slot].botskin-1 >= numskins
 		|| !R_SkinUsable(-1, savegameinfo[slot].botskin-1))
-			BADSAVE
+			MISSING
 	}
 
 	CHECKPOS
@@ -8817,6 +9067,7 @@ static void M_ReadSavegameInfo(UINT32 slot)
 }
 #undef CHECKPOS
 #undef BADSAVE
+#undef MISSING
 
 //
 // M_ReadSaveStrings
diff --git a/src/m_menu.h b/src/m_menu.h
index 99a5b6de4266be02b1cba0e98a26addac5524548..e76010c17a3dc76d99f6ceacdb19eb147be04c0c 100644
--- a/src/m_menu.h
+++ b/src/m_menu.h
@@ -176,6 +176,7 @@ typedef struct
 extern menupres_t menupres[NUMMENUTYPES];
 extern UINT32 prevMenuId;
 extern UINT32 activeMenuId;
+extern tic_t shieldprompt_timer; // Show a prompt about the new Shield button for old configs // TODO: 2.3: Remove
 
 void M_InitMenuPresTables(void);
 UINT8 M_GetYoungestChildMenu(void);
@@ -421,6 +422,7 @@ typedef struct
 {
 	char levelname[32];
 	UINT8 skinnum;
+	char skinname [SKINNAMESIZE+1];
 	UINT8 botskin;
 	UINT8 numemeralds;
 	UINT8 numgameovers;
diff --git a/src/m_misc.c b/src/m_misc.c
index a60bbea98d2e2b47cf3fea0dae652d26b6aa4763..724717aa681597b33a8b7bc573dc0be91220337f 100644
--- a/src/m_misc.c
+++ b/src/m_misc.c
@@ -560,6 +560,11 @@ void M_FirstLoadConfig(void)
 	COM_BufInsertText(va("exec \"%s\"\n", configfile));
 	// no COM_BufExecute() needed; that does it right away
 
+	// For configs loaded at startup only, check for pre-Shield-button configs // TODO: 2.3: Remove
+	if (GETMAJOREXECVERSION(cv_execversion.value) < 55 // Pre-v2.2.14 configs
+	&& cv_execversion.value != 25) // Make sure that the config exists, too
+		shieldprompt_timer = 1;
+
 	// don't filter anymore vars and don't let this convsvar be changed
 	COM_BufInsertText(va("%s \"%d\"\n", cv_execversion.name, EXECVERSION));
 	CV_ToggleExecVersion(false);
diff --git a/src/m_vector.c b/src/m_vector.c
index 3132a869d458c83aac517ac609258b506b6395b8..1b04f8ae1461b6a11f34cc07e6765c3ea640b330 100644
--- a/src/m_vector.c
+++ b/src/m_vector.c
@@ -21,6 +21,32 @@ void DVector3_Load(dvector3_t *vec, double x, double y, double z)
 	vec->z = z;
 }
 
+void DVector3_Copy(dvector3_t *a_o, const dvector3_t *a_i)
+{
+	memcpy(a_o, a_i, sizeof(dvector3_t));
+}
+
+void DVector3_Add(const dvector3_t *a_i, const dvector3_t *a_c, dvector3_t *a_o)
+{
+	a_o->x = a_i->x + a_c->x;
+	a_o->y = a_i->y + a_c->y;
+	a_o->z = a_i->z + a_c->z;
+}
+
+void DVector3_Subtract(const dvector3_t *a_i, const dvector3_t *a_c, dvector3_t *a_o)
+{
+	a_o->x = a_i->x - a_c->x;
+	a_o->y = a_i->y - a_c->y;
+	a_o->z = a_i->z - a_c->z;
+}
+
+void DVector3_Multiply(const dvector3_t *a_i, double a_c, dvector3_t *a_o)
+{
+	a_o->x = a_i->x * a_c;
+	a_o->y = a_i->y * a_c;
+	a_o->z = a_i->z * a_c;
+}
+
 double DVector3_Magnitude(const dvector3_t *a_normal)
 {
 	double xs = a_normal->x * a_normal->x;
diff --git a/src/m_vector.h b/src/m_vector.h
index 55669be037c9ce54ffd70bf3782225e913e1a1b4..1395744f2984050991923bfc714e5a3a028ccfe6 100644
--- a/src/m_vector.h
+++ b/src/m_vector.h
@@ -19,6 +19,10 @@ typedef struct
 } dvector3_t;
 
 void DVector3_Load(dvector3_t *vec, double x, double y, double z);
+void DVector3_Copy(dvector3_t *a_o, const dvector3_t *a_i);
+void DVector3_Add(const dvector3_t *a_i, const dvector3_t *a_c, dvector3_t *a_o);
+void DVector3_Subtract(const dvector3_t *a_i, const dvector3_t *a_c, dvector3_t *a_o);
+void DVector3_Multiply(const dvector3_t *a_i, double a_c, dvector3_t *a_o);
 double DVector3_Magnitude(const dvector3_t *a_normal);
 double DVector3_Normalize(dvector3_t *a_normal);
 void DVector3_Negate(dvector3_t *a_o);
diff --git a/src/netcode/d_clisrv.c b/src/netcode/d_clisrv.c
index 2bf9d2dde7cb60266687282748142af5e676c917..5fee506af320578b7228cb6e5616ebac238120f7 100644
--- a/src/netcode/d_clisrv.c
+++ b/src/netcode/d_clisrv.c
@@ -114,6 +114,7 @@ static CV_PossibleValue_t playbackspeed_cons_t[] = {{1, "MIN"}, {10, "MAX"}, {0,
 consvar_t cv_playbackspeed = CVAR_INIT ("playbackspeed", "1", 0, playbackspeed_cons_t, NULL);
 
 consvar_t cv_idletime = CVAR_INIT ("idletime", "0", CV_SAVE, CV_Unsigned, NULL);
+consvar_t cv_idlespectate = CVAR_INIT ("idlespectate", "On", CV_SAVE, CV_OnOff, NULL);
 consvar_t cv_dedicatedidletime = CVAR_INIT ("dedicatedidletime", "10", CV_SAVE, CV_Unsigned, NULL);
 
 consvar_t cv_httpsource = CVAR_INIT ("http_source", "", CV_SAVE, NULL, NULL);
@@ -1360,19 +1361,33 @@ static void IdleUpdate(void)
 	if (!server || !netgame)
 		return;
 
-	for (i = 1; i < MAXPLAYERS; i++)
+	for (i = 0; i < MAXPLAYERS; i++)
 	{
-		if (cv_idletime.value && playeringame[i] && playernode[i] != UINT8_MAX && !players[i].quittime && !players[i].spectator && !players[i].bot && !IsPlayerAdmin(i) && i != serverplayer && gamestate == GS_LEVEL)
+		if (playeringame[i] && playernode[i] != UINT8_MAX && !players[i].quittime && !players[i].spectator && !players[i].bot && gamestate == GS_LEVEL)
 		{
 			if (players[i].cmd.forwardmove || players[i].cmd.sidemove || players[i].cmd.buttons)
 				players[i].lastinputtime = 0;
 			else
 				players[i].lastinputtime++;
 
-			if (players[i].lastinputtime > (tic_t)cv_idletime.value * TICRATE * 60)
+			if (cv_idletime.value && !IsPlayerAdmin(i) && i != serverplayer && !(players[i].pflags & PF_FINISHED) && players[i].lastinputtime > (tic_t)cv_idletime.value * TICRATE * 60)
 			{
 				players[i].lastinputtime = 0;
-				SendKick(i, KICK_MSG_IDLE | KICK_MSG_KEEP_BODY);
+				if (cv_idlespectate.value && G_GametypeHasSpectators())
+				{
+					changeteam_union NetPacket;
+					UINT16 usvalue;
+					NetPacket.value.l = NetPacket.value.b = 0;
+					NetPacket.packet.newteam = 0;
+					NetPacket.packet.playernum = i;
+					NetPacket.packet.verification = true; // This signals that it's a server change
+					usvalue = SHORT(NetPacket.value.l|NetPacket.value.b);
+					SendNetXCmd(XD_TEAMCHANGE, &usvalue, sizeof(usvalue));
+				}
+				else
+				{
+					SendKick(i, KICK_MSG_IDLE | KICK_MSG_KEEP_BODY);
+				}
 			}
 		}
 		else
diff --git a/src/netcode/d_clisrv.h b/src/netcode/d_clisrv.h
index 5aac4693d2fdd166cee7a796166ba7c798e183c8..342173dff5bf575a762433a4cb2ad753a61685a0 100644
--- a/src/netcode/d_clisrv.h
+++ b/src/netcode/d_clisrv.h
@@ -73,7 +73,7 @@ extern UINT32 realpingtable[MAXPLAYERS];
 extern UINT32 playerpingtable[MAXPLAYERS];
 extern tic_t servermaxping;
 
-extern consvar_t cv_netticbuffer, cv_resynchattempts, cv_blamecfail, cv_playbackspeed, cv_idletime, cv_dedicatedidletime;
+extern consvar_t cv_netticbuffer, cv_resynchattempts, cv_blamecfail, cv_playbackspeed, cv_idletime, cv_idlespectate, cv_dedicatedidletime;
 extern consvar_t cv_httpsource;
 
 // Used in d_net, the only dependence
diff --git a/src/netcode/d_netcmd.c b/src/netcode/d_netcmd.c
index f7b98c4dbaff55d58481b5c439623a92fcd4e4c4..4134c633e5a32e23e6be085a32300bb308a694df 100644
--- a/src/netcode/d_netcmd.c
+++ b/src/netcode/d_netcmd.c
@@ -620,6 +620,7 @@ void D_RegisterServerCommands(void)
 	CV_RegisterVar(&cv_blamecfail);
 	CV_RegisterVar(&cv_dedicatedidletime);
 	CV_RegisterVar(&cv_idletime);
+	CV_RegisterVar(&cv_idlespectate);
 	CV_RegisterVar(&cv_httpsource);
 
 	COM_AddCommand("ping", Command_Ping_f, COM_LUA);
@@ -2510,11 +2511,11 @@ static void MutePlayer(boolean mute)
 
 	if (COM_Argc() < 2)
 	{
-		CONS_Printf(M_GetText("muteplayer <playernum>: mute a player\n"));
+		CONS_Printf(M_GetText("muteplayer <playername/playernum>: mute a player\n"));
 		return;
 	}
 
-	data[0] = atoi(COM_Argv(1));
+	data[0] = nametonum(COM_Argv(1));
 	if (data[0] >= MAXPLAYERS || !playeringame[data[0]])
 	{
 		CONS_Alert(CONS_NOTICE, M_GetText("There is no player %u!\n"), (unsigned int)data[0]);
@@ -2603,11 +2604,11 @@ static void Command_ServerTeamChange_f(void)
 	if (COM_Argc() < 3)
 	{
 		if (G_TagGametype())
-			CONS_Printf(M_GetText("serverchangeteam <playernum> <team>: switch player to a new team (%s)\n"), "it, notit, playing, or spectator");
+			CONS_Printf(M_GetText("serverchangeteam <playername/playernum> <team>: switch player to a new team (%s)\n"), "it, notit, playing, or spectator");
 		else if (G_GametypeHasTeams())
-			CONS_Printf(M_GetText("serverchangeteam <playernum> <team>: switch player to a new team (%s)\n"), "red, blue or spectator");
+			CONS_Printf(M_GetText("serverchangeteam <playername/playernum> <team>: switch player to a new team (%s)\n"), "red, blue or spectator");
 		else if (G_GametypeHasSpectators())
-			CONS_Printf(M_GetText("serverchangeteam <playernum> <team>: switch player to a new team (%s)\n"), "spectator or playing");
+			CONS_Printf(M_GetText("serverchangeteam <playername/playernum> <team>: switch player to a new team (%s)\n"), "spectator or playing");
 		else
 			CONS_Alert(CONS_NOTICE, M_GetText("This command cannot be used in this gametype.\n"));
 		return;
@@ -2655,19 +2656,19 @@ static void Command_ServerTeamChange_f(void)
 	if (error)
 	{
 		if (G_TagGametype())
-			CONS_Printf(M_GetText("serverchangeteam <playernum> <team>: switch player to a new team (%s)\n"), "it, notit, playing, or spectator");
+			CONS_Printf(M_GetText("serverchangeteam <playername/playernum> <team>: switch player to a new team (%s)\n"), "it, notit, playing, or spectator");
 		else if (G_GametypeHasTeams())
-			CONS_Printf(M_GetText("serverchangeteam <playernum> <team>: switch player to a new team (%s)\n"), "red, blue or spectator");
+			CONS_Printf(M_GetText("serverchangeteam <playername/playernum> <team>: switch player to a new team (%s)\n"), "red, blue or spectator");
 		else if (G_GametypeHasSpectators())
-			CONS_Printf(M_GetText("serverchangeteam <playernum> <team>: switch player to a new team (%s)\n"), "spectator or playing");
+			CONS_Printf(M_GetText("serverchangeteam <playername/playernum> <team>: switch player to a new team (%s)\n"), "spectator or playing");
 		return;
 	}
 
-	NetPacket.packet.playernum = atoi(COM_Argv(1));
+	NetPacket.packet.playernum = nametonum(COM_Argv(1));
 
-	if (!playeringame[NetPacket.packet.playernum])
+	if (NetPacket.packet.playernum == -1 || !playeringame[NetPacket.packet.playernum])
 	{
-		CONS_Alert(CONS_NOTICE, M_GetText("There is no player %d!\n"), NetPacket.packet.playernum);
+		CONS_Alert(CONS_NOTICE, M_GetText("There is no player %s!\n"), COM_Argv(1));
 		return;
 	}
 
@@ -3106,13 +3107,16 @@ static void Command_Verify_f(void)
 
 	if (COM_Argc() != 2)
 	{
-		CONS_Printf(M_GetText("promote <playernum>: give admin privileges to a player\n"));
+		CONS_Printf(M_GetText("promote <playername/playernum>: give admin privileges to a player\n"));
 		return;
 	}
 
-	strlcpy(buf, COM_Argv(1), sizeof (buf));
-
-	playernum = atoi(buf);
+	playernum = nametonum(COM_Argv(1));
+	if (playernum == -1)
+	{
+		CONS_Alert(CONS_NOTICE, M_GetText("There is no player %s!\n"), COM_Argv(1));
+		return;
+	}
 
 	temp = buf;
 
@@ -3156,13 +3160,16 @@ static void Command_RemoveAdmin_f(void)
 
 	if (COM_Argc() != 2)
 	{
-		CONS_Printf(M_GetText("demote <playernum>: remove admin privileges from a player\n"));
+		CONS_Printf(M_GetText("demote <playername/playernum>: remove admin privileges from a player\n"));
 		return;
 	}
 
-	strlcpy(buf, COM_Argv(1), sizeof(buf));
-
-	playernum = atoi(buf);
+	playernum = nametonum(COM_Argv(1));
+	if (playernum == -1)
+	{
+		CONS_Alert(CONS_NOTICE, M_GetText("There is no player %s!\n"), COM_Argv(1));
+		return;
+	}
 
 	temp = buf;
 
diff --git a/src/netcode/i_tcp.c b/src/netcode/i_tcp.c
index 6a50f440be80cfee5a591ed757ae1c79414c6455..24dfd7ec2797c190b0c0fdbf0343f19e33b001a0 100644
--- a/src/netcode/i_tcp.c
+++ b/src/netcode/i_tcp.c
@@ -317,7 +317,11 @@ init_upnpc_once(struct upnpdata *upnpuserdata)
 		I_OutputMsg(M_GetText("Found UPnP device:\n desc: %s\n st: %s\n"),
 		           dev->descURL, dev->st);
 
+#if (MINIUPNPC_API_VERSION >= 18)
+		UPNP_GetValidIGD(devlist, &urls, &data, lanaddr, sizeof(lanaddr), NULL, 0);
+#else
 		UPNP_GetValidIGD(devlist, &urls, &data, lanaddr, sizeof(lanaddr));
+#endif
 		I_OutputMsg(M_GetText("Local LAN IP address: %s\n"), lanaddr);
 		descXML = miniwget(dev->descURL, &descXMLsize, scope_id, &status_code);
 		if (descXML)
diff --git a/src/netcode/mserv.c b/src/netcode/mserv.c
index 3acacd24c164471057ca3ffa7a6225f8ba95d2f3..74ee120f96e17ed6641adb48e0dc29f35d46c0c8 100644
--- a/src/netcode/mserv.c
+++ b/src/netcode/mserv.c
@@ -50,6 +50,8 @@ static void Command_Listserv_f(void);
 
 #endif/*MASTERSERVER*/
 
+static boolean ServerName_CanChange (const char*);
+
 static void Update_parameters (void);
 
 static void MasterServer_OnChange(void);
@@ -61,7 +63,7 @@ static CV_PossibleValue_t masterserver_update_rate_cons_t[] = {
 };
 
 consvar_t cv_masterserver = CVAR_INIT ("masterserver", "https://ds.ms.srb2.org/MS/0", CV_SAVE|CV_CALL, NULL, MasterServer_OnChange);
-consvar_t cv_servername = CVAR_INIT ("servername", "SRB2 server", CV_SAVE|CV_NETVAR|CV_CALL|CV_NOINIT|CV_ALLOWLUA, NULL, Update_parameters);
+consvar_t cv_servername = CVAR_INIT_WITH_CALLBACKS ("servername", "SRB2 server", CV_SAVE|CV_NETVAR|CV_CALL|CV_NOINIT|CV_ALLOWLUA, NULL, Update_parameters, ServerName_CanChange);
 
 consvar_t cv_masterserver_update_rate = CVAR_INIT ("masterserver_update_rate", "15", CV_SAVE|CV_CALL|CV_NOINIT, masterserver_update_rate_cons_t, Update_parameters);
 
@@ -497,6 +499,15 @@ Set_api (const char *api)
 
 #endif/*MASTERSERVER*/
 
+static boolean ServerName_CanChange(const char* newvalue)
+{
+	if (strlen(newvalue) < MAXSERVERNAME)
+		return true;
+
+	CONS_Alert(CONS_NOTICE, "The server name must be shorter than %d characters\n", MAXSERVERNAME);
+	return false;
+}
+
 static void
 Update_parameters (void)
 {
diff --git a/src/p_enemy.c b/src/p_enemy.c
index 59934aa40d01291d7686097fca5c6ad2da1e2193..e1b21e295bf4226a632112a4b66fe3d4b849c485 100644
--- a/src/p_enemy.c
+++ b/src/p_enemy.c
@@ -54,276 +54,6 @@ static dirtype_t diags[] =
 	DI_NORTHWEST, DI_NORTHEAST, DI_SOUTHWEST, DI_SOUTHEAST
 };
 
-//Real Prototypes to A_*
-void A_Fall(mobj_t *actor);
-void A_Look(mobj_t *actor);
-void A_Chase(mobj_t *actor);
-void A_FaceStabChase(mobj_t *actor);
-void A_FaceStabRev(mobj_t *actor);
-void A_FaceStabHurl(mobj_t *actor);
-void A_FaceStabMiss(mobj_t *actor);
-void A_StatueBurst(mobj_t *actor);
-void A_JetJawRoam(mobj_t *actor);
-void A_JetJawChomp(mobj_t *actor);
-void A_PointyThink(mobj_t *actor);
-void A_CheckBuddy(mobj_t *actor);
-void A_HoodFire(mobj_t *actor);
-void A_HoodThink(mobj_t *actor);
-void A_HoodFall(mobj_t *actor);
-void A_ArrowBonks(mobj_t *actor);
-void A_SnailerThink(mobj_t *actor);
-void A_SharpChase(mobj_t *actor);
-void A_SharpSpin(mobj_t *actor);
-void A_SharpDecel(mobj_t *actor);
-void A_CrushstaceanWalk(mobj_t *actor);
-void A_CrushstaceanPunch(mobj_t *actor);
-void A_CrushclawAim(mobj_t *actor);
-void A_CrushclawLaunch(mobj_t *actor);
-void A_VultureVtol(mobj_t *actor);
-void A_VultureCheck(mobj_t *actor);
-void A_VultureHover(mobj_t *actor);
-void A_VultureBlast(mobj_t *actor);
-void A_VultureFly(mobj_t *actor);
-void A_SkimChase(mobj_t *actor);
-void A_FaceTarget(mobj_t *actor);
-void A_FaceTracer(mobj_t *actor);
-void A_LobShot(mobj_t *actor);
-void A_FireShot(mobj_t *actor);
-void A_SuperFireShot(mobj_t *actor);
-void A_BossFireShot(mobj_t *actor);
-void A_Boss7FireMissiles(mobj_t *actor);
-void A_Boss1Laser(mobj_t *actor);
-void A_FocusTarget(mobj_t *actor);
-void A_Boss4Reverse(mobj_t *actor);
-void A_Boss4SpeedUp(mobj_t *actor);
-void A_Boss4Raise(mobj_t *actor);
-void A_SkullAttack(mobj_t *actor);
-void A_BossZoom(mobj_t *actor);
-void A_BossScream(mobj_t *actor);
-void A_Scream(mobj_t *actor);
-void A_Pain(mobj_t *actor);
-void A_1upThinker(mobj_t *actor);
-void A_MonitorPop(mobj_t *actor);
-void A_GoldMonitorPop(mobj_t *actor);
-void A_GoldMonitorRestore(mobj_t *actor);
-void A_GoldMonitorSparkle(mobj_t *actor);
-void A_Explode(mobj_t *actor);
-void A_BossDeath(mobj_t *actor);
-void A_SetShadowScale(mobj_t *actor);
-void A_ShadowScream(mobj_t *actor);
-void A_CustomPower(mobj_t *actor);
-void A_GiveWeapon(mobj_t *actor);
-void A_RingBox(mobj_t *actor);
-void A_Invincibility(mobj_t *actor);
-void A_SuperSneakers(mobj_t *actor);
-void A_AwardScore(mobj_t *actor);
-void A_ExtraLife(mobj_t *actor);
-void A_GiveShield(mobj_t *actor);
-void A_GravityBox(mobj_t *actor);
-void A_ScoreRise(mobj_t *actor);
-void A_BunnyHop(mobj_t *actor);
-void A_BubbleSpawn(mobj_t *actor);
-void A_FanBubbleSpawn(mobj_t *actor);
-void A_BubbleRise(mobj_t *actor);
-void A_BubbleCheck(mobj_t *actor);
-void A_AttractChase(mobj_t *actor);
-void A_DropMine(mobj_t *actor);
-void A_FishJump(mobj_t *actor);
-void A_ThrownRing(mobj_t *actor);
-void A_SetSolidSteam(mobj_t *actor);
-void A_UnsetSolidSteam(mobj_t *actor);
-void A_SignSpin(mobj_t *actor);
-void A_SignPlayer(mobj_t *actor);
-void A_OverlayThink(mobj_t *actor);
-void A_JetChase(mobj_t *actor);
-void A_JetbThink(mobj_t *actor);
-void A_JetgShoot(mobj_t *actor);
-void A_JetgThink(mobj_t *actor);
-void A_ShootBullet(mobj_t *actor);
-void A_MinusDigging(mobj_t *actor);
-void A_MinusPopup(mobj_t *actor);
-void A_MinusCheck(mobj_t *actor);
-void A_ChickenCheck(mobj_t *actor);
-void A_MouseThink(mobj_t *actor);
-void A_DetonChase(mobj_t *actor);
-void A_CapeChase(mobj_t *actor);
-void A_RotateSpikeBall(mobj_t *actor);
-void A_SlingAppear(mobj_t *actor);
-void A_UnidusBall(mobj_t *actor);
-void A_RockSpawn(mobj_t *actor);
-void A_SetFuse(mobj_t *actor);
-void A_CrawlaCommanderThink(mobj_t *actor);
-void A_RingExplode(mobj_t *actor);
-void A_OldRingExplode(mobj_t *actor);
-void A_MixUp(mobj_t *actor);
-void A_RecyclePowers(mobj_t *actor);
-void A_Boss2TakeDamage(mobj_t *actor);
-void A_Boss7Chase(mobj_t *actor);
-void A_GoopSplat(mobj_t *actor);
-void A_Boss2PogoSFX(mobj_t *actor);
-void A_Boss2PogoTarget(mobj_t *actor);
-void A_EggmanBox(mobj_t *actor);
-void A_TurretFire(mobj_t *actor);
-void A_SuperTurretFire(mobj_t *actor);
-void A_TurretStop(mobj_t *actor);
-void A_SparkFollow(mobj_t *actor);
-void A_BuzzFly(mobj_t *actor);
-void A_GuardChase(mobj_t *actor);
-void A_EggShield(mobj_t *actor);
-void A_SetReactionTime(mobj_t *actor);
-void A_Boss1Spikeballs(mobj_t *actor);
-void A_Boss3TakeDamage(mobj_t *actor);
-void A_Boss3Path(mobj_t *actor);
-void A_Boss3ShockThink(mobj_t *actor);
-void A_Shockwave(mobj_t *actor);
-void A_LinedefExecute(mobj_t *actor);
-void A_LinedefExecuteFromArg(mobj_t *actor);
-void A_PlaySeeSound(mobj_t *actor);
-void A_PlayAttackSound(mobj_t *actor);
-void A_PlayActiveSound(mobj_t *actor);
-void A_SmokeTrailer(mobj_t *actor);
-void A_SpawnObjectAbsolute(mobj_t *actor);
-void A_SpawnObjectRelative(mobj_t *actor);
-void A_ChangeAngleRelative(mobj_t *actor);
-void A_ChangeAngleAbsolute(mobj_t *actor);
-void A_RollAngle(mobj_t *actor);
-void A_ChangeRollAngleRelative(mobj_t *actor);
-void A_ChangeRollAngleAbsolute(mobj_t *actor);
-void A_PlaySound(mobj_t *actor);
-void A_FindTarget(mobj_t *actor);
-void A_FindTracer(mobj_t *actor);
-void A_SetTics(mobj_t *actor);
-void A_SetRandomTics(mobj_t *actor);
-void A_ChangeColorRelative(mobj_t *actor);
-void A_ChangeColorAbsolute(mobj_t *actor);
-void A_Dye(mobj_t *actor);
-void A_SetTranslation(mobj_t *actor);
-void A_MoveRelative(mobj_t *actor);
-void A_MoveAbsolute(mobj_t *actor);
-void A_Thrust(mobj_t *actor);
-void A_ZThrust(mobj_t *actor);
-void A_SetTargetsTarget(mobj_t *actor);
-void A_SetObjectFlags(mobj_t *actor);
-void A_SetObjectFlags2(mobj_t *actor);
-void A_RandomState(mobj_t *actor);
-void A_RandomStateRange(mobj_t *actor);
-void A_StateRangeByAngle(mobj_t *actor);
-void A_StateRangeByParameter(mobj_t *actor);
-void A_DualAction(mobj_t *actor);
-void A_RemoteAction(mobj_t *actor);
-void A_ToggleFlameJet(mobj_t *actor);
-void A_OrbitNights(mobj_t *actor);
-void A_GhostMe(mobj_t *actor);
-void A_SetObjectState(mobj_t *actor);
-void A_SetObjectTypeState(mobj_t *actor);
-void A_KnockBack(mobj_t *actor);
-void A_PushAway(mobj_t *actor);
-void A_RingDrain(mobj_t *actor);
-void A_SplitShot(mobj_t *actor);
-void A_MissileSplit(mobj_t *actor);
-void A_MultiShot(mobj_t *actor);
-void A_InstaLoop(mobj_t *actor);
-void A_Custom3DRotate(mobj_t *actor);
-void A_SearchForPlayers(mobj_t *actor);
-void A_CheckRandom(mobj_t *actor);
-void A_CheckTargetRings(mobj_t *actor);
-void A_CheckRings(mobj_t *actor);
-void A_CheckTotalRings(mobj_t *actor);
-void A_CheckHealth(mobj_t *actor);
-void A_CheckRange(mobj_t *actor);
-void A_CheckHeight(mobj_t *actor);
-void A_CheckTrueRange(mobj_t *actor);
-void A_CheckThingCount(mobj_t *actor);
-void A_CheckAmbush(mobj_t *actor);
-void A_CheckCustomValue(mobj_t *actor);
-void A_CheckCusValMemo(mobj_t *actor);
-void A_SetCustomValue(mobj_t *actor);
-void A_UseCusValMemo(mobj_t *actor);
-void A_RelayCustomValue(mobj_t *actor);
-void A_CusValAction(mobj_t *actor);
-void A_ForceStop(mobj_t *actor);
-void A_ForceWin(mobj_t *actor);
-void A_SpikeRetract(mobj_t *actor);
-void A_InfoState(mobj_t *actor);
-void A_Repeat(mobj_t *actor);
-void A_SetScale(mobj_t *actor);
-void A_RemoteDamage(mobj_t *actor);
-void A_HomingChase(mobj_t *actor);
-void A_TrapShot(mobj_t *actor);
-void A_Boss1Chase(mobj_t *actor);
-void A_Boss2Chase(mobj_t *actor);
-void A_Boss2Pogo(mobj_t *actor);
-void A_BossJetFume(mobj_t *actor);
-void A_VileTarget(mobj_t *actor);
-void A_VileAttack(mobj_t *actor);
-void A_VileFire(mobj_t *actor);
-void A_BrakChase(mobj_t *actor);
-void A_BrakFireShot(mobj_t *actor);
-void A_BrakLobShot(mobj_t *actor);
-void A_NapalmScatter(mobj_t *actor);
-void A_SpawnFreshCopy(mobj_t *actor);
-void A_FlickySpawn(mobj_t *actor);
-void A_FlickyCenter(mobj_t *actor);
-void A_FlickyAim(mobj_t *actor);
-void A_FlickyFly(mobj_t *actor);
-void A_FlickySoar(mobj_t *actor);
-void A_FlickyCoast(mobj_t *actor);
-void A_FlickyHop(mobj_t *actor);
-void A_FlickyFlounder(mobj_t *actor);
-void A_FlickyCheck(mobj_t *actor);
-void A_FlickyHeightCheck(mobj_t *actor);
-void A_FlickyFlutter(mobj_t *actor);
-void A_FlameParticle(mobj_t *actor);
-void A_FadeOverlay(mobj_t *actor);
-void A_Boss5Jump(mobj_t *actor);
-void A_LightBeamReset(mobj_t *actor);
-void A_MineExplode(mobj_t *actor);
-void A_MineRange(mobj_t *actor);
-void A_ConnectToGround(mobj_t *actor);
-void A_SpawnParticleRelative(mobj_t *actor);
-void A_MultiShotDist(mobj_t *actor);
-void A_WhoCaresIfYourSonIsABee(mobj_t *actor);
-void A_ParentTriesToSleep(mobj_t *actor);
-void A_CryingToMomma(mobj_t *actor);
-void A_CheckFlags2(mobj_t *actor);
-void A_Boss5FindWaypoint(mobj_t *actor);
-void A_DoNPCSkid(mobj_t *actor);
-void A_DoNPCPain(mobj_t *actor);
-void A_PrepareRepeat(mobj_t *actor);
-void A_Boss5ExtraRepeat(mobj_t *actor);
-void A_Boss5Calm(mobj_t *actor);
-void A_Boss5CheckOnGround(mobj_t *actor);
-void A_Boss5CheckFalling(mobj_t *actor);
-void A_Boss5PinchShot(mobj_t *actor);
-void A_Boss5MakeItRain(mobj_t *actor);
-void A_Boss5MakeJunk(mobj_t *actor);
-void A_LookForBetter(mobj_t *actor);
-void A_Boss5BombExplode(mobj_t *actor);
-void A_DustDevilThink(mobj_t *actor);
-void A_TNTExplode(mobj_t *actor);
-void A_DebrisRandom(mobj_t *actor);
-void A_TrainCameo(mobj_t *actor);
-void A_TrainCameo2(mobj_t *actor);
-void A_CanarivoreGas(mobj_t *actor);
-void A_KillSegments(mobj_t *actor);
-void A_SnapperSpawn(mobj_t *actor);
-void A_SnapperThinker(mobj_t *actor);
-void A_SaloonDoorSpawn(mobj_t *actor);
-void A_MinecartSparkThink(mobj_t *actor);
-void A_ModuloToState(mobj_t *actor);
-void A_LavafallRocks(mobj_t *actor);
-void A_LavafallLava(mobj_t *actor);
-void A_FallingLavaCheck(mobj_t *actor);
-void A_FireShrink(mobj_t *actor);
-void A_SpawnPterabytes(mobj_t *actor);
-void A_PterabyteHover(mobj_t *actor);
-void A_RolloutSpawn(mobj_t *actor);
-void A_RolloutRock(mobj_t *actor);
-void A_DragonbomberSpawn(mobj_t *actor);
-void A_DragonWing(mobj_t *actor);
-void A_DragonSegment(mobj_t *actor);
-void A_ChangeHeight(mobj_t *actor);
-
 //for p_enemy.c
 
 //
diff --git a/src/p_inter.c b/src/p_inter.c
index e73cd1fce675ee17721e6236e7dc764ede8e9d69..cbd56183df855ed0d8afc9e308bea5e05a7d0fee 100644
--- a/src/p_inter.c
+++ b/src/p_inter.c
@@ -3786,6 +3786,8 @@ boolean P_DamageMobj(mobj_t *target, mobj_t *inflictor, mobj_t *source, INT32 da
 
 		if (player->powers[pw_carry] == CR_NIGHTSMODE) // NiGHTS damage handling
 		{
+			if (player->powers[pw_flashing])
+				return false;
 			if (!force)
 			{
 				if (source == target)
@@ -3803,6 +3805,10 @@ boolean P_DamageMobj(mobj_t *target, mobj_t *inflictor, mobj_t *source, INT32 da
 
 		if (G_IsSpecialStage(gamemap) && !(damagetype & DMG_DEATHMASK))
 		{
+			if (player->powers[pw_flashing])
+				return false;
+			if (LUA_HookMobjDamage(target, inflictor, source, damage, damagetype))
+				return true;
 			P_SpecialStageDamage(player, inflictor, source);
 			return true;
 		}
diff --git a/src/p_map.c b/src/p_map.c
index 668a8ab6413ccda17adccf994c18e7f2dc58f58d..b79f9d45c77ea069f079e1d2a50d6b45bfa1e646 100644
--- a/src/p_map.c
+++ b/src/p_map.c
@@ -1258,8 +1258,9 @@ static unsigned PIT_DoCheckThing(mobj_t *thing)
 
 		if (tmthing->type != MT_SHELL && tmthing->target && tmthing->target->type == thing->type)
 		{
-			// Don't hit same species as originator.
-			if (thing == tmthing->target)
+			// Don't hit yourself, and if a player, don't hit bots
+			if (thing == tmthing->target
+				|| (thing->player && tmthing->target->player && (thing->player->bot == BOT_2PAI || thing->player->bot == BOT_2PHUMAN)))
 				return CHECKTHING_IGNORE;
 
 			if (thing->type != MT_PLAYER)
@@ -2501,6 +2502,9 @@ boolean P_TryCameraMove(fixed_t x, fixed_t y, camera_t *thiscam)
 
 	floatok = false;
 
+	if (dedicated) // this crashes so don't even try it
+		return false;
+
 	if (twodlevel
 		|| (thiscam == &camera && players[displayplayer].mo && (players[displayplayer].mo->flags2 & MF2_TWOD))
 		|| (thiscam == &camera2 && players[secondarydisplayplayer].mo && (players[secondarydisplayplayer].mo->flags2 & MF2_TWOD)))
@@ -3960,23 +3964,25 @@ papercollision:
 		mo->momy = tmymove;
 	}
 
+	const fixed_t tmradius = mo->radius > 8 ? mo->radius : 8;
+
 	do {
-		if (tmxmove > mo->radius) {
-			newx = mo->x + mo->radius;
-			tmxmove -= mo->radius;
-		} else if (tmxmove < -mo->radius) {
-			newx = mo->x - mo->radius;
-			tmxmove += mo->radius;
+		if (tmxmove > tmradius) {
+			newx = mo->x + tmradius;
+			tmxmove -= tmradius;
+		} else if (tmxmove < -tmradius) {
+			newx = mo->x - tmradius;
+			tmxmove += tmradius;
 		} else {
 			newx = mo->x + tmxmove;
 			tmxmove = 0;
 		}
-		if (tmymove > mo->radius) {
-			newy = mo->y + mo->radius;
-			tmymove -= mo->radius;
-		} else if (tmymove < -mo->radius) {
-			newy = mo->y - mo->radius;
-			tmymove += mo->radius;
+		if (tmymove > tmradius) {
+			newy = mo->y + tmradius;
+			tmymove -= tmradius;
+		} else if (tmymove < -tmradius) {
+			newy = mo->y - tmradius;
+			tmymove += tmradius;
 		} else {
 			newy = mo->y + tmymove;
 			tmymove = 0;
diff --git a/src/p_mobj.c b/src/p_mobj.c
index 4716042e331fa6a0ec3e4ea1fc7035dbebb87c11..1ec09ab8582adea2716db0d817b670bf4aba0d2c 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -2246,7 +2246,7 @@ boolean P_ZMovement(mobj_t *mo)
 		else if (!onground)
 			P_SlopeLaunch(mo);
 	}
-	
+
 	if (!mo->player && P_CheckDeathPitCollide(mo) && mo->health
 	&& !(mo->flags & MF_NOCLIPHEIGHT) && !(mo->flags2 & MF2_BOSSDEAD))
 	{
@@ -2939,7 +2939,7 @@ boolean P_SceneryZMovement(mobj_t *mo)
 		mo->eflags &= ~MFE_APPLYPMOMZ;
 	}
 	mo->z += mo->momz;
-	
+
 	if (!mo->player && P_CheckDeathPitCollide(mo) && mo->health
 	&& !(mo->flags & MF_NOCLIPHEIGHT) && !(mo->flags2 & MF2_BOSSDEAD))
 	{
@@ -3782,7 +3782,7 @@ static void P_PlayerMobjThinker(mobj_t *mobj)
 
 	// always do the gravity bit now, that's simpler
 	// BUT CheckPosition only if wasn't done before.
-	if (!(mobj->eflags & MFE_ONGROUND) || mobj->momz
+	if (mobj->momz
 		|| ((mobj->eflags & MFE_VERTICALFLIP) && mobj->z + mobj->height != mobj->ceilingz)
 		|| (!(mobj->eflags & MFE_VERTICALFLIP) && mobj->z != mobj->floorz)
 		|| P_IsObjectInGoop(mobj))
@@ -3795,17 +3795,6 @@ static void P_PlayerMobjThinker(mobj_t *mobj)
 	}
 	else
 	{
-#if 0 // i don't know why this is here, it's causing a few undesired state glitches, and disabling it doesn't appear to negatively affect the game, but i don't want it gone permanently just in case some obscure bug crops up
-		if (!(mobj->player->powers[pw_carry] == CR_NIGHTSMODE)) // used for drilling
-			mobj->player->pflags &= ~PF_STARTJUMP;
-		mobj->player->pflags &= ~(PF_JUMPED|PF_NOJUMPDAMAGE);
-		if (mobj->player->secondjump || mobj->player->powers[pw_tailsfly])
-		{
-			mobj->player->secondjump = 0;
-			mobj->player->powers[pw_tailsfly] = 0;
-			P_SetMobjState(mobj, S_PLAY_WALK);
-		}
-#endif
 		mobj->eflags &= ~MFE_JUSTHITFLOOR;
 	}
 
@@ -10355,6 +10344,7 @@ void P_MobjThinker(mobj_t *mobj)
 		case MT_GRENADEPICKUP:
 			if (mobj->health == 0) // Fading tile
 			{
+				// TODO: Maybe use mobj->alpha instead of messing with frame flags
 				INT32 value = mobj->info->damage/10;
 				value = mobj->fuse/value;
 				value = 10-value;
@@ -10700,6 +10690,7 @@ mobj_t *P_SpawnMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type, ...)
 
 	// Sprite rendering
 	mobj->blendmode = AST_TRANSLUCENT;
+	mobj->alpha = FRACUNIT;
 	mobj->spritexscale = mobj->spriteyscale = mobj->scale;
 	mobj->spritexoffset = mobj->spriteyoffset = 0;
 	mobj->floorspriteslope = NULL;
@@ -10744,7 +10735,7 @@ mobj_t *P_SpawnMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type, ...)
 
 	// Set shadowscale here, before spawn hook so that Lua can change it
 	mobj->shadowscale = P_DefaultMobjShadowScale(mobj);
-	
+
 	// A monitor can't respawn if we're not in multiplayer,
 	// or if we're in co-op and it's score or a 1up
 	if (mobj->flags & MF_MONITOR && (!(netgame || multiplayer)
@@ -10760,7 +10751,8 @@ mobj_t *P_SpawnMobj(fixed_t x, fixed_t y, fixed_t z, mobjtype_t type, ...)
 		// when spawning MT_PLAYER, set mobj->player before calling MobjSpawn hook to prevent P_RemoveMobj from succeeding on player mobj.
 		va_start(args, type);
 		mobj->player = va_arg(args, player_t *);
-		mobj->player->mo = mobj;
+		if (mobj->player)
+			mobj->player->mo = mobj;
 		va_end(args);
 	}
 
@@ -14302,7 +14294,8 @@ mobj_t *P_SpawnMobjFromMobj(mobj_t *mobj, fixed_t xofs, fixed_t yofs, fixed_t zo
 	yofs = FixedMul(yofs, mobj->scale);
 	zofs = FixedMul(zofs, mobj->scale);
 
-	newmobj = P_SpawnMobj(mobj->x + xofs, mobj->y + yofs, mobj->z + zofs, type);
+	newmobj = P_SpawnMobj(mobj->x + xofs, mobj->y + yofs, mobj->z + zofs, type, NULL);
+
 	if (!newmobj)
 		return NULL;
 
diff --git a/src/p_mobj.h b/src/p_mobj.h
index 2f013a2f30fac7f7d117cb190fcbc5bd1db17e54..f281410f6ddc7ece41acc963afe63a6b23420269 100644
--- a/src/p_mobj.h
+++ b/src/p_mobj.h
@@ -313,6 +313,7 @@ typedef struct mobj_s
 
 	UINT32 renderflags; // render flags
 	INT32 blendmode; // blend mode
+	fixed_t alpha; // alpha
 	fixed_t spritexscale, spriteyscale;
 	fixed_t spritexoffset, spriteyoffset;
 	fixed_t old_spritexscale, old_spriteyscale, old_spritexscale2, old_spriteyscale2;
@@ -456,6 +457,7 @@ typedef struct precipmobj_s
 
 	UINT32 renderflags; // render flags
 	INT32 blendmode; // blend mode
+	fixed_t alpha; // alpha
 	fixed_t spritexscale, spriteyscale;
 	fixed_t spritexoffset, spriteyoffset;
 	fixed_t old_spritexscale, old_spriteyscale, old_spritexscale2, old_spriteyscale2;
diff --git a/src/p_saveg.c b/src/p_saveg.c
index 5e4d6d0760441e6bc94c6815824b8b7e1ab38c80..da73dd8a0e1470a1fafd4f5285923ea29c70b7fb 100644
--- a/src/p_saveg.c
+++ b/src/p_saveg.c
@@ -919,7 +919,11 @@ enum
 	LD_SDMIDLIGHT    = 1<<19,
 	LD_SDBOTLIGHT    = 1<<20,
 	LD_SDREPEATCNT   = 1<<21,
-	LD_SDFLAGS       = 1<<22
+	LD_SDFLAGS       = 1<<22,
+	LD_SDLIGHTABS    = 1<<23,
+	LD_SDTOPLIGHTABS = 1<<24,
+	LD_SDMIDLIGHTABS = 1<<25,
+	LD_SDBOTLIGHTABS = 1<<26
 };
 
 static boolean P_AreArgsEqual(const line_t *li, const line_t *spawnli)
@@ -1393,6 +1397,22 @@ static UINT32 GetSideDiff(const side_t *si, const side_t *spawnsi)
 		diff |= LD_SDBOTSCALEY;
 	if (si->repeatcnt != spawnsi->repeatcnt)
 		diff |= LD_SDREPEATCNT;
+	if (si->light != spawnsi->light)
+		diff |= LD_SDLIGHT;
+	if (si->light_top != spawnsi->light_top)
+		diff |= LD_SDTOPLIGHT;
+	if (si->light_mid != spawnsi->light_mid)
+		diff |= LD_SDMIDLIGHT;
+	if (si->light_bottom != spawnsi->light_bottom)
+		diff |= LD_SDBOTLIGHT;
+	if (si->lightabsolute != spawnsi->lightabsolute)
+		diff |= LD_SDLIGHTABS;
+	if (si->lightabsolute_top != spawnsi->lightabsolute_top)
+		diff |= LD_SDTOPLIGHTABS;
+	if (si->lightabsolute_mid != spawnsi->lightabsolute_mid)
+		diff |= LD_SDMIDLIGHTABS;
+	if (si->lightabsolute_bottom != spawnsi->lightabsolute_bottom)
+		diff |= LD_SDBOTLIGHTABS;
 	return diff;
 }
 
@@ -1436,6 +1456,22 @@ static void ArchiveSide(const side_t *si, UINT32 diff)
 		WRITEFIXED(save_p, si->scaley_bottom);
 	if (diff & LD_SDREPEATCNT)
 		WRITEINT16(save_p, si->repeatcnt);
+	if (diff & LD_SDLIGHT)
+		WRITEINT16(save_p, si->light);
+	if (diff & LD_SDTOPLIGHT)
+		WRITEINT16(save_p, si->light_top);
+	if (diff & LD_SDMIDLIGHT)
+		WRITEINT16(save_p, si->light_mid);
+	if (diff & LD_SDBOTLIGHT)
+		WRITEINT16(save_p, si->light_bottom);
+	if (diff & LD_SDLIGHTABS)
+		WRITEUINT8(save_p, si->lightabsolute);
+	if (diff & LD_SDTOPLIGHTABS)
+		WRITEUINT8(save_p, si->lightabsolute_top);
+	if (diff & LD_SDMIDLIGHTABS)
+		WRITEUINT8(save_p, si->lightabsolute_mid);
+	if (diff & LD_SDBOTLIGHTABS)
+		WRITEUINT8(save_p, si->lightabsolute_bottom);
 }
 
 static void ArchiveLines(void)
@@ -1576,6 +1612,22 @@ static void UnArchiveSide(side_t *si)
 		si->scaley_bottom = READFIXED(save_p);
 	if (diff & LD_SDREPEATCNT)
 		si->repeatcnt = READINT16(save_p);
+	if (diff & LD_SDLIGHT)
+		si->light = READINT16(save_p);
+	if (diff & LD_SDTOPLIGHT)
+		si->light_top = READINT16(save_p);
+	if (diff & LD_SDMIDLIGHT)
+		si->light_mid = READINT16(save_p);
+	if (diff & LD_SDBOTLIGHT)
+		si->light_bottom = READINT16(save_p);
+	if (diff & LD_SDLIGHTABS)
+		si->lightabsolute = READUINT8(save_p);
+	if (diff & LD_SDTOPLIGHTABS)
+		si->lightabsolute_top = READUINT8(save_p);
+	if (diff & LD_SDMIDLIGHTABS)
+		si->lightabsolute_mid = READUINT8(save_p);
+	if (diff & LD_SDBOTLIGHTABS)
+		si->lightabsolute_bottom = READUINT8(save_p);
 }
 
 static void UnArchiveLines(void)
@@ -1746,7 +1798,8 @@ typedef enum
 	MD2_DISPOFFSET          = 1<<23,
 	MD2_DRAWONLYFORPLAYER   = 1<<24,
 	MD2_DONTDRAWFORVIEWMOBJ = 1<<25,
-	MD2_TRANSLATION         = 1<<26
+	MD2_TRANSLATION         = 1<<26,
+	MD2_ALPHA               = 1<<27
 } mobj_diff2_t;
 
 typedef enum
@@ -1989,6 +2042,8 @@ static void SaveMobjThinker(const thinker_t *th, const UINT8 type)
 		diff2 |= MD2_DONTDRAWFORVIEWMOBJ;
 	if (mobj->dispoffset != mobj->info->dispoffset)
 		diff2 |= MD2_DISPOFFSET;
+	if (mobj->alpha != FRACUNIT)
+		diff2 |= MD2_ALPHA;
 
 	if (diff2 != 0)
 		diff |= MD_MORE;
@@ -2172,6 +2227,8 @@ static void SaveMobjThinker(const thinker_t *th, const UINT8 type)
 		WRITEINT32(save_p, mobj->dispoffset);
 	if (diff2 & MD2_TRANSLATION)
 		WRITEUINT16(save_p, mobj->translation);
+	if (diff2 & MD2_ALPHA)
+		WRITEFIXED(save_p, mobj->alpha);
 
 	WRITEUINT32(save_p, mobj->mobjnum);
 }
@@ -3238,6 +3295,10 @@ static thinker_t* LoadMobjThinker(actionf_p1 thinker)
 		mobj->dispoffset = mobj->info->dispoffset;
 	if (diff2 & MD2_TRANSLATION)
 		mobj->translation = READUINT16(save_p);
+	if (diff2 & MD2_ALPHA)
+		mobj->alpha = READFIXED(save_p);
+	else
+		mobj->alpha = FRACUNIT;
 
 	if (diff & MD_REDFLAG)
 	{
diff --git a/src/p_setup.c b/src/p_setup.c
index c4b4a35b3610beeb973624035a4d5454f69f49db..b5ed485d8a7df9512ce24a4b78f61e950280b280 100644
--- a/src/p_setup.c
+++ b/src/p_setup.c
@@ -1367,6 +1367,9 @@ static void P_LoadSidedefs(UINT8 *data)
 		sd->scalex_top = sd->scalex_mid = sd->scalex_bottom = FRACUNIT;
 		sd->scaley_top = sd->scaley_mid = sd->scaley_bottom = FRACUNIT;
 
+		sd->light = sd->light_top = sd->light_mid = sd->light_bottom = 0;
+		sd->lightabsolute = sd->lightabsolute_top = sd->lightabsolute_mid = sd->lightabsolute_bottom = false;
+
 		P_SetSidedefSector(i, (UINT16)SHORT(msd->sector));
 
 		// Special info stored in texture fields!
@@ -1554,11 +1557,41 @@ static void P_LoadThings(UINT8 *data)
 }
 
 // Stores positions for relevant map data spread through a TEXTMAP.
-UINT32 mapthingsPos[UINT16_MAX];
-UINT32 linesPos[UINT16_MAX];
-UINT32 sidesPos[UINT16_MAX];
-UINT32 vertexesPos[UINT16_MAX];
-UINT32 sectorsPos[UINT16_MAX];
+typedef struct textmap_block_s
+{
+	UINT32 *pos;
+	size_t capacity;
+} textmap_block_t;
+
+static textmap_block_t mapthingBlocks;
+static textmap_block_t linedefBlocks;
+static textmap_block_t sidedefBlocks;
+static textmap_block_t vertexBlocks;
+static textmap_block_t sectorBlocks;
+
+static void TextmapStorePos(textmap_block_t *blocks, size_t *count)
+{
+	size_t locCount = (*count) + 1;
+
+	if (blocks->pos == NULL)
+	{
+		// Initial capacity (half of the former one.)
+		blocks->capacity = UINT16_MAX / 2;
+
+		Z_Calloc(sizeof(blocks->pos) * blocks->capacity, PU_LEVEL, &blocks->pos);
+	}
+	else if (locCount >= blocks->capacity)
+	{
+		// If we hit the list's capacity, make space for 1024 more blocks
+		blocks->capacity += 1024;
+
+		Z_Realloc(blocks->pos, sizeof(blocks->pos) * blocks->capacity, PU_LEVEL, &blocks->pos);
+	}
+
+	blocks->pos[locCount - 1] = M_TokenizerGetEndPos();
+
+	(*count) = locCount;
+}
 
 // Determine total amount of map data in TEXTMAP.
 static boolean TextmapCount(size_t size)
@@ -1602,15 +1635,15 @@ static boolean TextmapCount(size_t size)
 			brackets++;
 		// Check for valid fields.
 		else if (fastcmp(tkn, "thing"))
-			mapthingsPos[nummapthings++] = M_TokenizerGetEndPos();
+			TextmapStorePos(&mapthingBlocks, &nummapthings);
 		else if (fastcmp(tkn, "linedef"))
-			linesPos[numlines++] = M_TokenizerGetEndPos();
+			TextmapStorePos(&linedefBlocks, &numlines);
 		else if (fastcmp(tkn, "sidedef"))
-			sidesPos[numsides++] = M_TokenizerGetEndPos();
+			TextmapStorePos(&sidedefBlocks, &numsides);
 		else if (fastcmp(tkn, "vertex"))
-			vertexesPos[numvertexes++] = M_TokenizerGetEndPos();
+			TextmapStorePos(&vertexBlocks, &numvertexes);
 		else if (fastcmp(tkn, "sector"))
-			sectorsPos[numsectors++] = M_TokenizerGetEndPos();
+			TextmapStorePos(&sectorBlocks, &numsectors);
 		else
 			CONS_Alert(CONS_NOTICE, "Unknown field '%s'.\n", tkn);
 	}
@@ -1947,6 +1980,22 @@ static void ParseTextmapSidedefParameter(UINT32 i, const char *param, const char
 		P_SetSidedefSector(i, atol(val));
 	else if (fastcmp(param, "repeatcnt"))
 		sides[i].repeatcnt = atol(val);
+	else if (fastcmp(param, "light"))
+		sides[i].light = atol(val);
+	else if (fastcmp(param, "light_top"))
+		sides[i].light_top = atol(val);
+	else if (fastcmp(param, "light_mid"))
+		sides[i].light_mid = atol(val);
+	else if (fastcmp(param, "light_bottom"))
+		sides[i].light_bottom = atol(val);
+	else if (fastcmp(param, "lightabsolute") && fastcmp("true", val))
+		sides[i].lightabsolute = true;
+	else if (fastcmp(param, "lightabsolute_top") && fastcmp("true", val))
+		sides[i].lightabsolute_top = true;
+	else if (fastcmp(param, "lightabsolute_mid") && fastcmp("true", val))
+		sides[i].lightabsolute_mid = true;
+	else if (fastcmp(param, "lightabsolute_bottom") && fastcmp("true", val))
+		sides[i].lightabsolute_bottom = true;
 }
 
 static void ParseTextmapLinedefParameter(UINT32 i, const char *param, const char *val)
@@ -2674,6 +2723,22 @@ static void P_WriteTextmap(void)
 			fprintf(f, "texturemiddle = \"%.*s\";\n", 8, textures[wsides[i].midtexture]->name);
 		if (wsides[i].repeatcnt != 0)
 			fprintf(f, "repeatcnt = %d;\n", wsides[i].repeatcnt);
+		if (wsides[i].light != 0)
+			fprintf(f, "light = %d;\n", wsides[i].light);
+		if (wsides[i].light_top != 0)
+			fprintf(f, "light_top = %d;\n", wsides[i].light_top);
+		if (wsides[i].light_mid != 0)
+			fprintf(f, "light_mid = %d;\n", wsides[i].light_mid);
+		if (wsides[i].light_bottom != 0)
+			fprintf(f, "light_bottom = %d;\n", wsides[i].light_bottom);
+		if (wsides[i].lightabsolute)
+			fprintf(f, "lightabsolute = true;\n");
+		if (wsides[i].lightabsolute_top)
+			fprintf(f, "lightabsolute_top = true;\n");
+		if (wsides[i].lightabsolute_mid)
+			fprintf(f, "lightabsolute_mid = true;\n");
+		if (wsides[i].lightabsolute_bottom)
+			fprintf(f, "lightabsolute_bottom = true;\n");
 		fprintf(f, "}\n");
 		fprintf(f, "\n");
 	}
@@ -2944,7 +3009,7 @@ static void P_LoadTextmap(void)
 		vt->floorzset = vt->ceilingzset = false;
 		vt->floorz = vt->ceilingz = 0;
 
-		TextmapParse(vertexesPos[i], i, ParseTextmapVertexParameter);
+		TextmapParse(vertexBlocks.pos[i], i, ParseTextmapVertexParameter);
 
 		if (vt->x == INT32_MAX)
 			I_Error("P_LoadTextmap: vertex %s has no x value set!\n", sizeu1(i));
@@ -3001,7 +3066,7 @@ static void P_LoadTextmap(void)
 		textmap_planefloor.defined = 0;
 		textmap_planeceiling.defined = 0;
 
-		TextmapParse(sectorsPos[i], i, ParseTextmapSectorParameter);
+		TextmapParse(sectorBlocks.pos[i], i, ParseTextmapSectorParameter);
 
 		P_InitializeSector(sc);
 		if (textmap_colormap.used)
@@ -3050,7 +3115,7 @@ static void P_LoadTextmap(void)
 		ld->sidenum[0] = NO_SIDEDEF;
 		ld->sidenum[1] = NO_SIDEDEF;
 
-		TextmapParse(linesPos[i], i, ParseTextmapLinedefParameter);
+		TextmapParse(linedefBlocks.pos[i], i, ParseTextmapLinedefParameter);
 
 		if (!ld->v1)
 			I_Error("P_LoadTextmap: linedef %s has no v1 value set!\n", sizeu1(i));
@@ -3076,8 +3141,10 @@ static void P_LoadTextmap(void)
 		sd->bottomtexture = R_TextureNumForName("-");
 		sd->sector = NULL;
 		sd->repeatcnt = 0;
+		sd->light = sd->light_top = sd->light_mid = sd->light_bottom = 0;
+		sd->lightabsolute = sd->lightabsolute_top = sd->lightabsolute_mid = sd->lightabsolute_bottom = false;
 
-		TextmapParse(sidesPos[i], i, ParseTextmapSidedefParameter);
+		TextmapParse(sidedefBlocks.pos[i], i, ParseTextmapSidedefParameter);
 
 		if (!sd->sector)
 			I_Error("P_LoadTextmap: sidedef %s has no sector value set!\n", sizeu1(i));
@@ -3101,7 +3168,7 @@ static void P_LoadTextmap(void)
 		memset(mt->stringargs, 0x00, NUMMAPTHINGSTRINGARGS*sizeof(*mt->stringargs));
 		mt->mobj = NULL;
 
-		TextmapParse(mapthingsPos[i], i, ParseTextmapThingParameter);
+		TextmapParse(mapthingBlocks.pos[i], i, ParseTextmapThingParameter);
 	}
 }
 
@@ -3419,13 +3486,13 @@ typedef enum {
 } nodetype_t;
 
 // Find out the BSP format.
-static nodetype_t P_GetNodetype(const virtres_t *virt, UINT8 **nodedata)
+static nodetype_t P_GetNodetype(const virtres_t *virt, UINT8 **nodedata, char signature[4 + 1])
 {
 	boolean supported[NUMNODETYPES] = {0};
 	nodetype_t nodetype = NT_UNSUPPORTED;
-	char signature[4 + 1];
 
 	*nodedata = NULL;
+	signature[0] = signature[4] = '\0';
 
 	if (udmf)
 	{
@@ -3434,7 +3501,7 @@ static nodetype_t P_GetNodetype(const virtres_t *virt, UINT8 **nodedata)
 		if (virtznodes && virtznodes->size)
 		{
 			*nodedata = virtznodes->data;
-			supported[NT_XGLN] = supported[NT_XGL3] = true;
+			supported[NT_XGLN] = supported[NT_XGL2] = supported[NT_XGL3] = true;
 		}
 	}
 	else
@@ -3456,9 +3523,9 @@ static nodetype_t P_GetNodetype(const virtres_t *virt, UINT8 **nodedata)
 			virtssectors = vres_Find(virt, "SSECTORS");
 
 			if (virtssectors && virtssectors->size)
-			{ // Possibly GL nodes: NODES ignored, SSECTORS takes precedence as nodes lump, (It is confusing yeah) and has a signature.
+			{ // Possibly GL nodes: NODES ignored, SSECTORS takes precedence as nodes lump (it is confusing, yeah), and has a signature.
 				*nodedata = virtssectors->data;
-				supported[NT_XGLN] = supported[NT_ZGLN] = supported[NT_XGL3] = true;
+				supported[NT_XGLN] = supported[NT_ZGLN] = supported[NT_XGL2] = supported[NT_XGL3] = true;
 			}
 			else
 			{ // Possibly ZDoom extended nodes: SSECTORS is empty, NODES has a signature.
@@ -3478,19 +3545,42 @@ static nodetype_t P_GetNodetype(const virtres_t *virt, UINT8 **nodedata)
 	}
 
 	M_Memcpy(signature, *nodedata, 4);
-	signature[4] = '\0';
 	(*nodedata) += 4;
 
-	if (!strcmp(signature, "XNOD"))
-		nodetype = NT_XNOD;
-	else if (!strcmp(signature, "ZNOD"))
-		nodetype = NT_ZNOD;
-	else if (!strcmp(signature, "XGLN"))
-		nodetype = NT_XGLN;
-	else if (!strcmp(signature, "ZGLN"))
-		nodetype = NT_ZGLN;
-	else if (!strcmp(signature, "XGL3"))
-		nodetype = NT_XGL3;
+	// Identify node format from its starting signature.
+	if (memcmp(&signature[1], "NOD", 3) == 0) // ZDoom extended nodes
+	{
+		if (signature[0] == 'X')
+		{
+			nodetype = NT_XNOD; // Uncompressed
+		}
+		else if (signature[0] == 'Z')
+		{
+			nodetype = NT_ZNOD; // Compressed
+		}
+	}
+	else if (memcmp(&signature[1], "GL", 2) == 0) // GL nodes
+	{
+		switch (signature[0])
+		{
+		case 'X': // Uncompressed
+			switch (signature[3])
+			{
+			case 'N': nodetype = NT_XGLN; break; // GL nodes
+			case '2': nodetype = NT_XGL2; break; // Version 2 GL nodes
+			case '3': nodetype = NT_XGL3; break; // Version 3 GL nodes
+			}
+			break;
+		case 'Z': // Compressed
+			switch (signature[3])
+			{
+			case 'N': nodetype = NT_ZGLN; break; // GL nodes (compressed)
+			case '2': nodetype = NT_ZGL2; break; // Version 2 GL nodes (compressed)
+			case '3': nodetype = NT_ZGL3; break; // Version 3 GL nodes (compressed)
+			}
+			break;
+		}
+	}
 
 	return supported[nodetype] ? nodetype : NT_UNSUPPORTED;
 }
@@ -3502,7 +3592,6 @@ static boolean P_LoadExtraVertices(UINT8 **data)
 	UINT32 xtrvrtx = READUINT32((*data));
 	line_t* ld = lines;
 	vertex_t *oldpos = vertexes;
-	ssize_t offset;
 	size_t i;
 
 	if (numvertexes != origvrtx) // If native vertex count doesn't match node original vertex count, bail out (broken data?).
@@ -3517,12 +3606,11 @@ static boolean P_LoadExtraVertices(UINT8 **data)
 	// If extra vertexes were generated, reallocate the vertex array and fix the pointers.
 	numvertexes += xtrvrtx;
 	vertexes = Z_Realloc(vertexes, numvertexes*sizeof(*vertexes), PU_LEVEL, NULL);
-	offset = (size_t)(vertexes - oldpos);
 
 	for (i = 0, ld = lines; i < numlines; i++, ld++)
 	{
-		ld->v1 += offset;
-		ld->v2 += offset;
+		ld->v1 = &vertexes[ld->v1 - oldpos];
+		ld->v2 = &vertexes[ld->v2 - oldpos];
 	}
 
 	// Read extra vertex data.
@@ -3560,6 +3648,7 @@ static boolean P_LoadExtendedSubsectorsAndSegs(UINT8 **data, nodetype_t nodetype
 		switch (nodetype)
 		{
 		case NT_XGLN:
+		case NT_XGL2:
 		case NT_XGL3:
 			for (m = 0; m < (size_t)subsectors[i].numlines; m++, k++)
 			{
@@ -3571,7 +3660,7 @@ static boolean P_LoadExtendedSubsectorsAndSegs(UINT8 **data, nodetype_t nodetype
 
 				READUINT32((*data)); // partner, can be ignored by software renderer
 
-				if (nodetype == NT_XGL3)
+				if (nodetype != NT_XGLN)
 				{
 					UINT32 linenum = READUINT32((*data));
 					if (linenum != 0xFFFFFFFF && linenum >= numlines)
@@ -3682,8 +3771,9 @@ static void P_LoadExtendedNodes(UINT8 **data, nodetype_t nodetype)
 
 static void P_LoadMapBSP(const virtres_t *virt)
 {
+	char signature[4 + 1];
 	UINT8 *nodedata = NULL;
-	nodetype_t nodetype = P_GetNodetype(virt, &nodedata);
+	nodetype_t nodetype = P_GetNodetype(virt, &nodedata, signature);
 
 	switch (nodetype)
 	{
@@ -3715,6 +3805,7 @@ static void P_LoadMapBSP(const virtres_t *virt)
 	}
 	case NT_XNOD:
 	case NT_XGLN:
+	case NT_XGL2:
 	case NT_XGL3:
 		if (!P_LoadExtraVertices(&nodedata))
 			return;
@@ -3723,10 +3814,13 @@ static void P_LoadMapBSP(const virtres_t *virt)
 		P_LoadExtendedNodes(&nodedata, nodetype);
 		break;
 	default:
-		CONS_Alert(CONS_WARNING, "Unsupported BSP format detected.\n");
-		return;
+		if (isprint(signature[0]) && isprint(signature[1]) && isprint(signature[2]) && isprint(signature[3]))
+		{
+			I_Error("Unsupported BSP format '%s' detected!\n", signature);
+			return;
+		}
+		I_Error("Unknown BSP format detected!\n");
 	}
-	return;
 }
 
 // Split from P_LoadBlockMap for convenience
diff --git a/src/p_slopes.c b/src/p_slopes.c
index c2bacad9ed02ede75af92692d7b5e9ad0e6fb02d..ce276a6729a6bea818328821430366ffa920b18c 100644
--- a/src/p_slopes.c
+++ b/src/p_slopes.c
@@ -181,8 +181,8 @@ void T_DynamicSlopeLine (dynlineplanethink_t* th)
 {
 	pslope_t* slope = th->slope;
 	line_t* srcline = th->sourceline;
-
-	fixed_t zdelta;
+	
+	fixed_t zdelta, oldoz = slope->o.z;
 
 	switch(th->type) {
 	case DP_FRONTFLOOR:
@@ -209,7 +209,7 @@ void T_DynamicSlopeLine (dynlineplanethink_t* th)
 		return;
 	}
 
-	if (slope->zdelta != FixedDiv(zdelta, th->extent)) {
+	if (slope->zdelta != FixedDiv(zdelta, th->extent) || oldoz != slope->o.z) {
 		slope->zdelta = FixedDiv(zdelta, th->extent);
 		slope->zangle = R_PointToAngle2(0, 0, th->extent, -zdelta);
 		slope->moved = true;
diff --git a/src/p_spec.c b/src/p_spec.c
index 78cf460632970ac108512f29f1fd2111aea5f462..d4939669a1ec5bce2ee873617b00edfce966829e 100644
--- a/src/p_spec.c
+++ b/src/p_spec.c
@@ -2405,18 +2405,15 @@ static void P_ProcessLineSpecial(line_t *line, mobj_t *mo, sector_t *callsec)
 					y = line->args[3] << FRACBITS;
 					z = line->args[4] << FRACBITS;
 
-					P_UnsetThingPosition(mo);
-					mo->x += x;
-					mo->y += y;
-					mo->z += z;
-					P_SetThingPosition(mo);
-
+					P_SetOrigin(mo, mo->x + x, mo->y + y, mo->z + z);
+					
 					if (mo->player)
 					{
 						if (bot) // This might put poor Tails in a wall if he's too far behind! D: But okay, whatever! >:3
 							P_SetOrigin(bot, bot->x + x, bot->y + y, bot->z + z);
 						if (splitscreen && mo->player == &players[secondarydisplayplayer] && camera2.chase)
 						{
+							camera2.reset = true;
 							camera2.x += x;
 							camera2.y += y;
 							camera2.z += z;
@@ -2424,6 +2421,7 @@ static void P_ProcessLineSpecial(line_t *line, mobj_t *mo, sector_t *callsec)
 						}
 						else if (camera.chase && mo->player == &players[displayplayer])
 						{
+							camera.reset = true;
 							camera.x += x;
 							camera.y += y;
 							camera.z += z;
diff --git a/src/p_user.c b/src/p_user.c
index 7ad5bccbb58db303a28c9b3fe438b7effdea3c90..3ee13aca96989a4c7f5b94a64c8e525f275f9882 100644
--- a/src/p_user.c
+++ b/src/p_user.c
@@ -976,6 +976,9 @@ pflags_t P_GetJumpFlags(player_t *player)
 //
 boolean P_PlayerInPain(player_t *player)
 {
+	if (P_MobjWasRemoved(player->mo))
+		return false;
+		
 	// no silly, sliding isn't pain
 	if (!(player->pflags & PF_SLIDING) && player->mo->state == &states[player->mo->info->painstate] && player->powers[pw_flashing])
 		return true;
@@ -2078,6 +2081,7 @@ mobj_t *P_SpawnGhostMobj(mobj_t *mobj)
 
 	ghost->renderflags = mobj->renderflags;
 	ghost->blendmode = mobj->blendmode;
+	ghost->alpha = mobj->alpha;
 
 	ghost->spritexscale = mobj->spritexscale;
 	ghost->spriteyscale = mobj->spriteyscale;
@@ -8825,6 +8829,8 @@ void P_MovePlayer(player_t *player)
 			player->mo->height = P_GetPlayerSpinHeight(player);
 			atspinheight = true;
 		}
+		else if (player->powers[pw_carry] == CR_PLAYER || player->powers[pw_carry] == CR_PTERABYTE) // You're slightly shorter while being carried
+			player->mo->height = FixedDiv(P_GetPlayerHeight(player), FixedDiv(14*FRACUNIT,10*FRACUNIT));
 		else
 			player->mo->height = P_GetPlayerHeight(player);
 
@@ -12846,9 +12852,9 @@ void P_PlayerAfterThink(player_t *player)
 				else
 				{
 					if (tails->player)
-						P_TryMove(player->mo, tails->x + P_ReturnThrustX(tails, tails->player->drawangle, 4*FRACUNIT), tails->y + P_ReturnThrustY(tails, tails->player->drawangle, 4*FRACUNIT), true);
+						P_TryMove(player->mo, tails->x + P_ReturnThrustX(tails, tails->player->drawangle, 4*tails->scale), tails->y + P_ReturnThrustY(tails, tails->player->drawangle, 4*tails->scale), true);
 					else
-						P_TryMove(player->mo, tails->x + P_ReturnThrustX(tails, tails->angle, 4*FRACUNIT), tails->y + P_ReturnThrustY(tails, tails->angle, 4*FRACUNIT), true);
+						P_TryMove(player->mo, tails->x + P_ReturnThrustX(tails, tails->angle, 4*tails->scale), tails->y + P_ReturnThrustY(tails, tails->angle, 4*tails->scale), true);
 					player->mo->momx = tails->momx;
 					player->mo->momy = tails->momy;
 					player->mo->momz = tails->momz;
@@ -12862,7 +12868,7 @@ void P_PlayerAfterThink(player_t *player)
 						P_SetPlayerAngle(player, player->mo->angle);
 				}
 
-				if (P_AproxDistance(player->mo->x - tails->x, player->mo->y - tails->y) > player->mo->radius)
+				if (P_AproxDistance(player->mo->x - tails->x, player->mo->y - tails->y) > tails->radius)
 					player->powers[pw_carry] = CR_NONE;
 
 				if (player->powers[pw_carry] == CR_PLAYER)
@@ -13083,7 +13089,7 @@ void P_PlayerAfterThink(player_t *player)
 				player->mo->momy = ptera->momy;
 				player->mo->momz = ptera->momz;
 
-				if (P_AproxDistance(player->mo->x - ptera->x - ptera->watertop, player->mo->y - ptera->y - ptera->waterbottom) > player->mo->radius)
+				if (P_AproxDistance(player->mo->x - ptera->x - ptera->watertop, player->mo->y - ptera->y - ptera->waterbottom) > ptera->radius)
 					goto dropoff;
 
 				ptera->watertop >>= 1;
diff --git a/src/r_bsp.c b/src/r_bsp.c
index d606d7a274b322e932cdd9778ea9d780748c7394..373a170c90ea0b24e60bd6469a098ae4f8b75142 100644
--- a/src/r_bsp.c
+++ b/src/r_bsp.c
@@ -230,6 +230,18 @@ static INT32 R_DoorClosed(void)
 	&& (backsector->floorheight <= frontsector->floorheight || curline->sidedef->bottomtexture);
 }
 
+static UINT8 R_FloorLightLevel(sector_t *sector, INT16 base_lightlevel)
+{
+	return max(0, min(255, sector->floorlightlevel +
+		((sector->floorlightabsolute) ? 0 : base_lightlevel)));
+}
+
+static UINT8 R_CeilingLightLevel(sector_t *sector, INT16 base_lightlevel)
+{
+	return max(0, min(255, sector->ceilinglightlevel +
+		((sector->ceilinglightabsolute) ? 0 : base_lightlevel)));
+}
+
 //
 // If player's view height is underneath fake floor, lower the
 // drawn ceiling to be just under the floor height, and replace
@@ -312,11 +324,11 @@ sector_t *R_FakeFlat(sector_t *sec, sector_t *tempsec, INT32 *floorlightlevel,
 			tempsec->lightlevel = s->lightlevel;
 
 			if (floorlightlevel)
-				*floorlightlevel = s->floorlightsec == -1 ? (s->floorlightabsolute ? s->floorlightlevel : max(0, min(255, s->lightlevel + s->floorlightlevel)))
+			*floorlightlevel = s->floorlightsec == -1 ? (s->floorlightabsolute ? s->floorlightlevel : max(0, min(255, s->lightlevel + s->floorlightlevel)))
 					: sectors[s->floorlightsec].lightlevel;
 
 			if (ceilinglightlevel)
-				*ceilinglightlevel = s->ceilinglightsec == -1 ? (s->ceilinglightabsolute ? s->ceilinglightlevel : max(0, min(255, s->lightlevel + s->ceilinglightlevel)))
+			*ceilinglightlevel = s->ceilinglightsec == -1 ? (s->ceilinglightabsolute ? s->ceilinglightlevel : max(0, min(255, s->lightlevel + s->ceilinglightlevel)))
 					: sectors[s->ceilinglightsec].lightlevel;
 		}
 		else if (heightsec != -1 && viewz >= sectors[heightsec].ceilingheight
@@ -356,11 +368,11 @@ sector_t *R_FakeFlat(sector_t *sec, sector_t *tempsec, INT32 *floorlightlevel,
 			tempsec->lightlevel = s->lightlevel;
 
 			if (floorlightlevel)
-				*floorlightlevel = s->floorlightsec == -1 ? (s->floorlightabsolute ? s->floorlightlevel : max(0, min(255, s->lightlevel + s->floorlightlevel)))
+			*floorlightlevel = s->floorlightsec == -1 ? (s->floorlightabsolute ? s->floorlightlevel : max(0, min(255, s->lightlevel + s->floorlightlevel)))
 					: sectors[s->floorlightsec].lightlevel;
 
 			if (ceilinglightlevel)
-				*ceilinglightlevel = s->ceilinglightsec == -1 ? (s->ceilinglightabsolute ? s->ceilinglightlevel : max(0, min(255, s->lightlevel + s->ceilinglightlevel)))
+			*ceilinglightlevel = s->ceilinglightsec == -1 ? (s->ceilinglightabsolute ? s->ceilinglightlevel : max(0, min(255, s->lightlevel + s->ceilinglightlevel)))
 					: sectors[s->ceilinglightsec].lightlevel;
 		}
 		sec = tempsec;
@@ -968,11 +980,10 @@ static void R_Subsector(size_t num)
 				&& ((viewz < heightcheck && (rover->fofflags & FOF_BOTHPLANES || !(rover->fofflags & FOF_INVERTPLANES)))
 				|| (viewz > heightcheck && (rover->fofflags & FOF_BOTHPLANES || rover->fofflags & FOF_INVERTPLANES))))
 			{
-				light = R_GetPlaneLight(frontsector, planecenterz,
-					viewz < heightcheck);
+				light = R_GetPlaneLight(frontsector, planecenterz, viewz < heightcheck);
 
 				ffloor[numffloors].plane = R_FindPlane(rover->master->frontsector, *rover->bottomheight, *rover->bottompic,
-					*frontsector->lightlist[light].lightlevel, *rover->bottomxoffs, *rover->bottomyoffs,
+					R_FloorLightLevel(rover->master->frontsector, *frontsector->lightlist[light].lightlevel), *rover->bottomxoffs, *rover->bottomyoffs,
 					*rover->bottomxscale, *rover->bottomyscale, *rover->bottomangle,
 					*frontsector->lightlist[light].extra_colormap, rover, NULL, *rover->b_slope, NULL);
 
@@ -1002,7 +1013,7 @@ static void R_Subsector(size_t num)
 				light = R_GetPlaneLight(frontsector, planecenterz, viewz < heightcheck);
 
 				ffloor[numffloors].plane = R_FindPlane(rover->master->frontsector, *rover->topheight, *rover->toppic,
-					*frontsector->lightlist[light].lightlevel, *rover->topxoffs, *rover->topyoffs,
+					R_CeilingLightLevel(rover->master->frontsector, *frontsector->lightlist[light].lightlevel), *rover->topxoffs, *rover->topyoffs,
 					*rover->topxscale, *rover->topyscale, *rover->topangle,
 					*frontsector->lightlist[light].extra_colormap, rover, NULL, *rover->t_slope, NULL);
 
diff --git a/src/r_defs.h b/src/r_defs.h
index 7a6f518ee26ca96a4a4df62f30ec7dc741855bcd..51cc0864652f0363eaf614fee7b23394a6b0dfc1 100644
--- a/src/r_defs.h
+++ b/src/r_defs.h
@@ -60,6 +60,8 @@ typedef UINT8 lighttable_t;
 #define CMF_FADEFULLBRIGHTSPRITES  1
 #define CMF_FOG 4
 
+#define TEXTURE_255_IS_TRANSPARENT
+
 // ExtraColormap type. Use for extra_colormaps from now on.
 typedef struct extracolormap_s
 {
@@ -358,7 +360,7 @@ typedef struct pslope_s
 
 	double dzdelta;
 
-	boolean moved : 1;
+	boolean moved;
 
 	UINT8 flags; // Slope options
 } pslope_t;
@@ -631,6 +633,11 @@ typedef struct
 	fixed_t scalex_top, scalex_mid, scalex_bottom;
 	fixed_t scaley_top, scaley_mid, scaley_bottom;
 
+	// per-wall lighting for UDMF
+	// TODO: implement per-texture lighting
+	INT16 light, light_top, light_mid, light_bottom;
+	boolean lightabsolute, lightabsolute_top, lightabsolute_mid, lightabsolute_bottom;
+
 	// Texture indices.
 	// We do not maintain names here.
 	INT32 toptexture, bottomtexture, midtexture;
diff --git a/src/r_draw.c b/src/r_draw.c
index feb4693bb4a9ab995a099b003caf6a40e8e610f5..eca3f36b780d2763920fa57d4c6d7ecd4f79a57b 100644
--- a/src/r_draw.c
+++ b/src/r_draw.c
@@ -19,7 +19,6 @@
 #include "doomstat.h"
 #include "r_local.h"
 #include "r_translation.h"
-#include "st_stuff.h" // need ST_HEIGHT
 #include "i_video.h"
 #include "v_video.h"
 #include "m_misc.h"
diff --git a/src/r_draw.h b/src/r_draw.h
index 77588d7dede09edf30463c1cd749b268724a6882..6a6ab2db1b1d8c07e825c2bab9f96553b8b12895 100644
--- a/src/r_draw.h
+++ b/src/r_draw.h
@@ -154,9 +154,11 @@ void R_VideoErase(size_t ofs, INT32 count);
 
 void R_DrawColumn_8(void);
 void R_DrawColumnClamped_8(void);
+void R_Draw2sMultiPatchColumn_8(void);
 void R_DrawShadeColumn_8(void);
 void R_DrawTranslucentColumn_8(void);
 void R_DrawTranslucentColumnClamped_8(void);
+void R_Draw2sMultiPatchTranslucentColumn_8(void);
 void R_DrawDropShadowColumn_8(void);
 void R_DrawTranslatedColumn_8(void);
 void R_DrawTranslatedTranslucentColumn_8(void);
diff --git a/src/r_draw8.c b/src/r_draw8.c
index 735127f88d12daafc0161ea080195ce66d4b3db1..2011e46407cd46469d9ca6f0dd8de7fd4e7f84ef 100644
--- a/src/r_draw8.c
+++ b/src/r_draw8.c
@@ -192,6 +192,189 @@ void R_DrawColumnClamped_8(void)
 	}
 }
 
+void R_Draw2sMultiPatchColumn_8(void)
+{
+	INT32 count;
+	register UINT8 *dest;
+	register fixed_t frac;
+	fixed_t fracstep;
+
+	count = dc_yh - dc_yl;
+
+	if (count < 0) // Zero length, column does not exceed a pixel.
+		return;
+
+#ifdef RANGECHECK
+	if ((unsigned)dc_x >= (unsigned)vid.width || dc_yl < 0 || dc_yh >= vid.height)
+		return;
+#endif
+
+	// Framebuffer destination address.
+	dest = &topleft[dc_yl*vid.width + dc_x];
+
+	count++;
+
+	// Determine scaling, which is the only mapping to be done.
+	fracstep = dc_iscale;
+	frac = dc_texturemid + FixedMul((dc_yl << FRACBITS) - centeryfrac, fracstep);
+
+	// Inner loop that does the actual texture mapping, e.g. a DDA-like scaling.
+	// This is as fast as it gets.
+	{
+		register const UINT8 *source = dc_source;
+		register const lighttable_t *colormap = dc_colormap;
+		register INT32 heightmask = dc_texheight-1;
+		register UINT8 val;
+		if (dc_texheight & heightmask)   // not a power of 2 -- killough
+		{
+			heightmask++;
+			heightmask <<= FRACBITS;
+
+			if (frac < 0)
+				while ((frac += heightmask) <  0);
+			else
+				while (frac >= heightmask)
+					frac -= heightmask;
+
+			do
+			{
+				// Re-map color indices from wall texture column
+				//  using a lighting/special effects LUT.
+				// heightmask is the Tutti-Frutti fix
+				val = source[frac>>FRACBITS];
+
+				if (val != TRANSPARENTPIXEL)
+					*dest = colormap[val];
+
+				dest += vid.width;
+
+				// Avoid overflow.
+				if (fracstep > 0x7FFFFFFF - frac)
+					frac += fracstep - heightmask;
+				else
+					frac += fracstep;
+
+				while (frac >= heightmask)
+					frac -= heightmask;
+			} while (--count);
+		}
+		else
+		{
+			while ((count -= 2) >= 0) // texture height is a power of 2
+			{
+				val = source[(frac>>FRACBITS) & heightmask];
+				if (val != TRANSPARENTPIXEL)
+					*dest = colormap[val];
+				dest += vid.width;
+				frac += fracstep;
+				val = source[(frac>>FRACBITS) & heightmask];
+				if (val != TRANSPARENTPIXEL)
+					*dest = colormap[val];
+				dest += vid.width;
+				frac += fracstep;
+			}
+			if (count & 1)
+			{
+				val = source[(frac>>FRACBITS) & heightmask];
+				if (val != TRANSPARENTPIXEL)
+					*dest = colormap[val];
+			}
+		}
+	}
+}
+
+void R_Draw2sMultiPatchTranslucentColumn_8(void)
+{
+	INT32 count;
+	register UINT8 *dest;
+	register fixed_t frac;
+	fixed_t fracstep;
+
+	count = dc_yh - dc_yl;
+
+	if (count < 0) // Zero length, column does not exceed a pixel.
+		return;
+
+#ifdef RANGECHECK
+	if ((unsigned)dc_x >= (unsigned)vid.width || dc_yl < 0 || dc_yh >= vid.height)
+		return;
+#endif
+
+	// Framebuffer destination address.
+	dest = &topleft[dc_yl*vid.width + dc_x];
+
+	count++;
+
+	// Determine scaling, which is the only mapping to be done.
+	fracstep = dc_iscale;
+	frac = dc_texturemid + FixedMul((dc_yl << FRACBITS) - centeryfrac, fracstep);
+
+	// Inner loop that does the actual texture mapping, e.g. a DDA-like scaling.
+	// This is as fast as it gets.
+	{
+		register const UINT8 *source = dc_source;
+		register const UINT8 *transmap = dc_transmap;
+		register const lighttable_t *colormap = dc_colormap;
+		register INT32 heightmask = dc_texheight-1;
+		register UINT8 val;
+		if (dc_texheight & heightmask)   // not a power of 2 -- killough
+		{
+			heightmask++;
+			heightmask <<= FRACBITS;
+
+			if (frac < 0)
+				while ((frac += heightmask) <  0);
+			else
+				while (frac >= heightmask)
+					frac -= heightmask;
+
+			do
+			{
+				// Re-map color indices from wall texture column
+				//  using a lighting/special effects LUT.
+				// heightmask is the Tutti-Frutti fix
+				val = source[frac>>FRACBITS];
+
+				if (val != TRANSPARENTPIXEL)
+					*dest = *(transmap + (colormap[val]<<8) + (*dest));
+
+				dest += vid.width;
+
+				// Avoid overflow.
+				if (fracstep > 0x7FFFFFFF - frac)
+					frac += fracstep - heightmask;
+				else
+					frac += fracstep;
+
+				while (frac >= heightmask)
+					frac -= heightmask;
+			} while (--count);
+		}
+		else
+		{
+			while ((count -= 2) >= 0) // texture height is a power of 2
+			{
+				val = source[(frac>>FRACBITS) & heightmask];
+				if (val != TRANSPARENTPIXEL)
+					*dest = *(transmap + (colormap[val]<<8) + (*dest));
+				dest += vid.width;
+				frac += fracstep;
+				val = source[(frac>>FRACBITS) & heightmask];
+				if (val != TRANSPARENTPIXEL)
+					*dest = *(transmap + (colormap[val]<<8) + (*dest));
+				dest += vid.width;
+				frac += fracstep;
+			}
+			if (count & 1)
+			{
+				val = source[(frac>>FRACBITS) & heightmask];
+				if (val != TRANSPARENTPIXEL)
+					*dest = *(transmap + (colormap[val]<<8) + (*dest));
+			}
+		}
+	}
+}
+
 /**	\brief The R_DrawShadeColumn_8 function
 	Experiment to make software go faster. Taken from the Boom source
 */
diff --git a/src/r_fps.c b/src/r_fps.c
index 0773f228d6c8b6fdf266aff91f4f25e07080fee1..7f1f2bb303e23c10104febcdd9646d510a3aba1c 100644
--- a/src/r_fps.c
+++ b/src/r_fps.c
@@ -120,6 +120,19 @@ static vector3_t *R_LerpVector3(const vector3_t *from, const vector3_t *to, fixe
 	return out;
 }
 
+static double R_LerpDouble(double from, double to, double frac)
+{
+	return from + (frac * (to - from));
+}
+
+static dvector3_t *R_LerpDVector3(const dvector3_t *from, const dvector3_t *to, double frac, dvector3_t *out)
+{
+	DVector3_Subtract(to, from, out);
+	DVector3_Multiply(out, frac, out);
+	DVector3_Add(from, out, out);
+	return out;
+}
+
 // recalc necessary stuff for mouseaiming
 // slopes are already calculated for the full possible view (which is 4*viewheight).
 // 18/08/18: (No it's actually 16*viewheight, thanks Jimita for finding this out)
@@ -497,6 +510,14 @@ void R_CreateInterpolator_DynSlope(thinker_t *thinker, pslope_t *slope)
 	FV2_Copy(&interp->dynslope.bakd, &slope->d);
 
 	interp->dynslope.oldzdelta = interp->dynslope.bakzdelta = slope->zdelta;
+
+	DVector3_Copy(&interp->dynslope.oldorigin, &slope->dorigin);
+	DVector3_Copy(&interp->dynslope.bakorigin, &slope->dorigin);
+
+	DVector3_Copy(&interp->dynslope.oldnormdir, &slope->dnormdir);
+	DVector3_Copy(&interp->dynslope.baknormdir, &slope->dnormdir);
+
+	interp->dynslope.olddzdelta = interp->dynslope.bakdzdelta = slope->dzdelta;
 }
 
 void R_InitializeLevelInterpolators(void)
@@ -561,6 +582,21 @@ static void UpdateLevelInterpolatorState(levelinterpolator_t *interp)
 		FV3_Copy(&interp->dynslope.bako, &interp->dynslope.slope->o);
 		FV2_Copy(&interp->dynslope.bakd, &interp->dynslope.slope->d);
 		interp->dynslope.bakzdelta = interp->dynslope.slope->zdelta;
+
+		DVector3_Copy(&interp->dynslope.oldorigin, &interp->dynslope.bakorigin);
+		DVector3_Copy(&interp->dynslope.oldnormdir, &interp->dynslope.baknormdir);
+		interp->dynslope.olddzdelta = interp->dynslope.bakdzdelta;
+
+		if (interp->dynslope.slope->moved)
+		{
+			P_CalculateSlopeVectors(interp->dynslope.slope);
+
+			interp->dynslope.slope->moved = false;
+		}
+
+		DVector3_Copy(&interp->dynslope.bakorigin, &interp->dynslope.slope->dorigin);
+		DVector3_Copy(&interp->dynslope.baknormdir, &interp->dynslope.slope->dnormdir);
+		interp->dynslope.bakdzdelta = interp->dynslope.slope->dzdelta;
 		break;
 	}
 }
@@ -646,7 +682,13 @@ void R_ApplyLevelInterpolators(fixed_t frac)
 			R_LerpVector3(&interp->dynslope.oldo, &interp->dynslope.bako, frac, &interp->dynslope.slope->o);
 			R_LerpVector2(&interp->dynslope.oldd, &interp->dynslope.bakd, frac, &interp->dynslope.slope->d);
 			interp->dynslope.slope->zdelta = R_LerpFixed(interp->dynslope.oldzdelta, interp->dynslope.bakzdelta, frac);
-			interp->dynslope.slope->moved = true;
+			if (rendermode == render_soft)
+			{
+				double dfrac = FixedToDouble(frac);
+				R_LerpDVector3(&interp->dynslope.oldorigin, &interp->dynslope.bakorigin, dfrac, &interp->dynslope.slope->dorigin);
+				R_LerpDVector3(&interp->dynslope.oldnormdir, &interp->dynslope.baknormdir, dfrac, &interp->dynslope.slope->dnormdir);
+				interp->dynslope.slope->dzdelta = R_LerpDouble(interp->dynslope.olddzdelta, interp->dynslope.bakdzdelta, dfrac);
+			}
 			break;
 		}
 	}
@@ -704,6 +746,10 @@ void R_RestoreLevelInterpolators(void)
 			FV3_Copy(&interp->dynslope.slope->o, &interp->dynslope.bako);
 			FV2_Copy(&interp->dynslope.slope->d, &interp->dynslope.bakd);
 			interp->dynslope.slope->zdelta = interp->dynslope.bakzdelta;
+
+			DVector3_Copy(&interp->dynslope.slope->dorigin, &interp->dynslope.bakorigin);
+			DVector3_Copy(&interp->dynslope.slope->dnormdir, &interp->dynslope.baknormdir);
+			interp->dynslope.slope->dzdelta = interp->dynslope.bakdzdelta;
 			break;
 		}
 	}
diff --git a/src/r_fps.h b/src/r_fps.h
index cd40b0a9a572b23b97bb9b2cc493ea6a34a243a7..33224a83a1e728ae1ac3379c9060d6bb3eb35c3d 100644
--- a/src/r_fps.h
+++ b/src/r_fps.h
@@ -115,6 +115,9 @@ typedef struct levelinterpolator_s {
 			vector3_t oldo, bako;
 			vector2_t oldd, bakd;
 			fixed_t oldzdelta, bakzdelta;
+			dvector3_t oldorigin, bakorigin;
+			dvector3_t oldnormdir, baknormdir;
+			double olddzdelta, bakdzdelta;
 		} dynslope;
 	};
 } levelinterpolator_t;
diff --git a/src/r_plane.c b/src/r_plane.c
index 33e3aac1349faebb317d47c1f30ecec5d94a55ce..04272f8d317a790de6f658ddb2592072e50f7393 100644
--- a/src/r_plane.c
+++ b/src/r_plane.c
@@ -910,7 +910,7 @@ void R_DrawSinglePlane(visplane_t *pl)
 
 		if (pl->polyobj->translucency == 0 || (pl->extra_colormap && (pl->extra_colormap->flags & CMF_FOG)))
 			light = (pl->lightlevel >> LIGHTSEGSHIFT);
-		else
+		else // TODO: 2.3: Make transparent polyobject planes always use light level
 			light = LIGHTLEVELS-1;
 	}
 	else
@@ -952,7 +952,7 @@ void R_DrawSinglePlane(visplane_t *pl)
 
 				if ((spanfunctype == SPANDRAWFUNC_SPLAT) || (pl->extra_colormap && (pl->extra_colormap->flags & CMF_FOG)))
 					light = (pl->lightlevel >> LIGHTSEGSHIFT);
-				else
+				else // TODO: 2.3: Make transparent FOF planes use light level instead of always being fullbright
 					light = LIGHTLEVELS-1;
 			}
 			else if (pl->ffloor->fofflags & FOF_FOG)
diff --git a/src/r_segs.c b/src/r_segs.c
index 75c95aa9345702b3dd989e57c3f2f20cc1499096..a8a065c9b4c643f29b107baf34a25e1eb4e36ba5 100644
--- a/src/r_segs.c
+++ b/src/r_segs.c
@@ -94,6 +94,124 @@ transnum_t R_GetLinedefTransTable(fixed_t alpha)
 	return (20*(FRACUNIT - alpha - 1) + FRACUNIT) >> (FRACBITS+1);
 }
 
+static UINT8 R_SideLightLevel(side_t *side, INT16 base_lightlevel)
+{
+	return max(0, min(255, side->light +
+		((side->lightabsolute) ? 0 : base_lightlevel)));
+}
+
+/* TODO: implement per-texture lighting
+static UINT8 R_TopLightLevel(side_t *side, INT16 base_lightlevel)
+{
+	return max(0, min(255, side->light_top +
+		((side->lightabsolute_top) ? 0 : R_SideLightLevel(side, base_lightlevel))));
+}
+
+static UINT8 R_MidLightLevel(side_t *side, INT16 base_lightlevel)
+{
+	return max(0, min(255, side->light_mid +
+		((side->lightabsolute_mid) ? 0 : R_SideLightLevel(side, base_lightlevel))));
+}
+
+static UINT8 R_BottomLightLevel(side_t *side, INT16 base_lightlevel)
+{
+	return max(0, min(255, side->light_bottom +
+		((side->lightabsolute_bottom) ? 0 : R_SideLightLevel(side, base_lightlevel))));
+}
+*/
+
+// If we have a multi-patch texture on a 2sided wall (rare) then we draw
+//  it using R_DrawColumn, else we draw it using R_DrawMaskedColumn, this
+//  way we don't have to store extra post_t info with each column for
+//  multi-patch textures. They are not normally needed as multi-patch
+//  textures don't have holes in it. At least not for now.
+static void R_Render2sidedMultiPatchColumn(column_t *column, unsigned lengthcol)
+{
+	INT32 topscreen, bottomscreen;
+
+	post_t *post = &column->posts[0];
+	if (!post->length)
+		return;
+
+	topscreen = sprtopscreen;
+	bottomscreen = topscreen + spryscale * lengthcol;
+
+	dc_yl = (sprtopscreen+FRACUNIT-1)>>FRACBITS;
+	dc_yh = (bottomscreen-1)>>FRACBITS;
+
+	if (windowtop != INT32_MAX && windowbottom != INT32_MAX)
+	{
+		dc_yl = ((windowtop + FRACUNIT)>>FRACBITS);
+		dc_yh = (windowbottom - 1)>>FRACBITS;
+	}
+
+	if (dc_yh >= mfloorclip[dc_x])
+		dc_yh =  mfloorclip[dc_x] - 1;
+	if (dc_yl <= mceilingclip[dc_x])
+		dc_yl =  mceilingclip[dc_x] + 1;
+
+	if (dc_yl >= vid.height || dc_yh < 0)
+		return;
+
+	if (dc_yl <= dc_yh && dc_yh < vid.height && dc_yh > 0)
+	{
+		dc_source = column->pixels + post->data_offset;
+		dc_postlength = post->length;
+
+		if (colfunc == colfuncs[BASEDRAWFUNC])
+			(colfuncs[COLDRAWFUNC_TWOSMULTIPATCH])();
+		else if (colfunc == colfuncs[COLDRAWFUNC_FUZZY])
+			(colfuncs[COLDRAWFUNC_TWOSMULTIPATCHTRANS])();
+		else
+			colfunc();
+	}
+}
+
+static void R_RenderFlipped2sidedMultiPatchColumn(column_t *column, unsigned lengthcol)
+{
+	INT32 topscreen, bottomscreen;
+
+	void (*localcolfunc)(void);
+
+	post_t *post = &column->posts[0];
+	if (!post->length)
+		return;
+
+	topscreen = sprtopscreen;
+	bottomscreen = topscreen + spryscale * lengthcol;
+
+	dc_yl = (sprtopscreen+FRACUNIT-1)>>FRACBITS;
+	dc_yh = (bottomscreen-1)>>FRACBITS;
+
+	if (windowtop != INT32_MAX && windowbottom != INT32_MAX)
+	{
+		dc_yl = ((windowtop + FRACUNIT)>>FRACBITS);
+		dc_yh = (windowbottom - 1)>>FRACBITS;
+	}
+
+	if (dc_yh >= mfloorclip[dc_x])
+		dc_yh =  mfloorclip[dc_x] - 1;
+	if (dc_yl <= mceilingclip[dc_x])
+		dc_yl =  mceilingclip[dc_x] + 1;
+
+	if (dc_yl >= vid.height || dc_yh < 0)
+		return;
+
+	if (dc_yl <= dc_yh && dc_yh < vid.height && dc_yh > 0)
+	{
+		dc_postlength = post->length;
+
+		if (colfunc == colfuncs[BASEDRAWFUNC])
+			localcolfunc = colfuncs[COLDRAWFUNC_TWOSMULTIPATCH];
+		else if (colfunc == colfuncs[COLDRAWFUNC_FUZZY])
+			localcolfunc = colfuncs[COLDRAWFUNC_TWOSMULTIPATCHTRANS];
+		else
+			localcolfunc = colfunc;
+
+		R_DrawFlippedPost(column->pixels + post->data_offset, post->length, localcolfunc);
+	}
+}
+
 void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2)
 {
 	size_t pindex;
@@ -181,7 +299,16 @@ void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2)
 	// Texture must be cached
 	R_CheckTextureCache(texnum);
 
-	if (vertflip) // vertically flipped?
+	// handle case where multipatch texture is drawn on a 2sided wall, multi-patch textures
+	// are not stored per-column with post info in SRB2
+	if (!textures[texnum]->transparency)
+	{
+		if (vertflip) // vertically flipped?
+			colfunc_2s = R_RenderFlipped2sidedMultiPatchColumn;
+		else
+			colfunc_2s = R_Render2sidedMultiPatchColumn;
+	}
+	else if (vertflip) // vertically flipped?
 		colfunc_2s = R_DrawFlippedMaskedColumn;
 	else
 		colfunc_2s = R_DrawMaskedColumn; // render the usual 2sided single-patch packed texture
@@ -223,7 +350,7 @@ void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2)
 			if ((colfunc != colfuncs[COLDRAWFUNC_FUZZY])
 				|| (rlight->flags & FOF_FOG)
 				|| (rlight->extra_colormap && (rlight->extra_colormap->flags & CMF_FOG)))
-				lightnum = (rlight->lightlevel >> LIGHTSEGSHIFT);
+				lightnum = R_SideLightLevel(curline->sidedef, rlight->lightlevel) >> LIGHTSEGSHIFT;
 			else
 				lightnum = LIGHTLEVELS - 1;
 
@@ -241,7 +368,7 @@ void R_RenderMaskedSegRange(drawseg_t *ds, INT32 x1, INT32 x2)
 	{
 		if ((colfunc != colfuncs[COLDRAWFUNC_FUZZY])
 			|| (frontsector->extra_colormap && (frontsector->extra_colormap->flags & CMF_FOG)))
-			lightnum = (frontsector->lightlevel >> LIGHTSEGSHIFT);
+			lightnum = R_SideLightLevel(curline->sidedef, frontsector->lightlevel) >> LIGHTSEGSHIFT;
 		else
 			lightnum = LIGHTLEVELS - 1;
 
@@ -697,9 +824,9 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 
 			// Check if the current light effects the colormap/lightlevel
 			if (pfloor->fofflags & FOF_FOG)
-				rlight->lightnum = (pfloor->master->frontsector->lightlevel >> LIGHTSEGSHIFT);
+				rlight->lightnum = R_SideLightLevel(curline->sidedef, pfloor->master->frontsector->lightlevel) >> LIGHTSEGSHIFT;
 			else
-				rlight->lightnum = (rlight->lightlevel >> LIGHTSEGSHIFT);
+				rlight->lightnum = R_SideLightLevel(curline->sidedef, rlight->lightlevel) >> LIGHTSEGSHIFT;
 
 			if (pfloor->fofflags & FOF_FOG || rlight->flags & FOF_FOG || (rlight->extra_colormap && (rlight->extra_colormap->flags & CMF_FOG)))
 				;
@@ -717,18 +844,17 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 	{
 		// Get correct light level!
 		if ((frontsector->extra_colormap && (frontsector->extra_colormap->flags & CMF_FOG)))
-			lightnum = (frontsector->lightlevel >> LIGHTSEGSHIFT);
+			lightnum = R_SideLightLevel(curline->sidedef, frontsector->lightlevel) >> LIGHTSEGSHIFT;
 		else if (fog)
-			lightnum = (pfloor->master->frontsector->lightlevel >> LIGHTSEGSHIFT);
+			lightnum = R_SideLightLevel(curline->sidedef, pfloor->master->frontsector->lightlevel) >> LIGHTSEGSHIFT;
 		else if (fuzzy)
 			lightnum = LIGHTLEVELS-1;
 		else
-			lightnum = R_FakeFlat(frontsector, &tempsec, &templight, &templight, false)
-				->lightlevel >> LIGHTSEGSHIFT;
+			lightnum = R_SideLightLevel(curline->sidedef, R_FakeFlat(frontsector, &tempsec, &templight, &templight, false)->lightlevel) >> LIGHTSEGSHIFT;
 
 		if (pfloor->fofflags & FOF_FOG || (frontsector->extra_colormap && (frontsector->extra_colormap->flags & CMF_FOG)));
 			else if (curline->v1->y == curline->v2->y)
-		lightnum--;
+			lightnum--;
 		else if (curline->v1->x == curline->v2->x)
 			lightnum++;
 
@@ -811,7 +937,16 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 	// Texture must be cached
 	R_CheckTextureCache(texnum);
 
-	if (vertflip) // vertically flipped?
+	// handle case where multipatch texture is drawn on a 2sided wall, multi-patch textures
+	// are not stored per-column with post info in SRB2
+	if (!textures[texnum]->transparency)
+	{
+		if (vertflip) // vertically flipped?
+			colfunc_2s = R_RenderFlipped2sidedMultiPatchColumn;
+		else
+			colfunc_2s = R_Render2sidedMultiPatchColumn;
+	}
+	else if (vertflip) // vertically flipped?
 		colfunc_2s = R_DrawRepeatFlippedMaskedColumn;
 	else
 		colfunc_2s = R_DrawRepeatMaskedColumn;
@@ -906,9 +1041,9 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 			{
 				// Otherwise use column drawers with extra checks
 				if (fuzzy)
-					colfunc = R_DrawTranslucentColumnClamped_8;
+					colfunc = colfuncs[COLDRAWFUNC_CLAMPEDTRANS];
 				else
-					colfunc = R_DrawColumnClamped_8;
+					colfunc = colfuncs[COLDRAWFUNC_CLAMPED];
 			}
 		}
 
@@ -1353,7 +1488,7 @@ static void R_RenderSegLoop (void)
 			for (i = 0; i < dc_numlights; i++)
 			{
 				INT32 lightnum;
-				lightnum = (dc_lightlist[i].lightlevel >> LIGHTSEGSHIFT);
+				lightnum = R_SideLightLevel(curline->sidedef, dc_lightlist[i].lightlevel) >> LIGHTSEGSHIFT;
 
 				if (dc_lightlist[i].extra_colormap)
 					;
@@ -2540,7 +2675,7 @@ void R_StoreWallRange(INT32 start, INT32 stop)
 		//  use different light tables
 		//  for horizontal / vertical / diagonal
 		// OPTIMIZE: get rid of LIGHTSEGSHIFT globally
-		lightnum = (frontsector->lightlevel >> LIGHTSEGSHIFT);
+		lightnum = R_SideLightLevel(curline->sidedef, frontsector->lightlevel) >> LIGHTSEGSHIFT;
 
 		if (curline->v1->y == curline->v2->y)
 			lightnum--;
diff --git a/src/r_skins.c b/src/r_skins.c
index cd7d60b53e4c572630e26980309729a121d43cb7..a341ee80f56cb5162e63f02f50619095a8dd575d 100644
--- a/src/r_skins.c
+++ b/src/r_skins.c
@@ -636,6 +636,14 @@ static void R_LoadSkinSprites(UINT16 wadnum, UINT16 *lump, UINT16 *lastlump, ski
 
 	if (skin->sprites[0].numframes == 0)
 		CONS_Alert(CONS_ERROR, M_GetText("No frames found for sprite SPR2_%s\n"), spr2names[0]);
+
+	// TODO: 2.3: Delete
+	memcpy(&skin->sprites_compat[start_spr2],
+		&skin->sprites[start_spr2],
+		sizeof(spritedef_t) * (free_spr2 - start_spr2));
+	memcpy(&skin->sprites_compat[start_spr2 + NUMPLAYERSPRITES],
+		&skin->super.sprites[start_spr2],
+		sizeof(spritedef_t) * (free_spr2 - start_spr2));
 }
 
 // returns whether found appropriate property
diff --git a/src/r_skins.h b/src/r_skins.h
index 1f2c57472d23ffd3026f0370e591dcd18ad77193..5122b53a6b4163d4de408704ca65631933f996b7 100644
--- a/src/r_skins.h
+++ b/src/r_skins.h
@@ -88,6 +88,9 @@ typedef struct
 		spritedef_t sprites[NUMPLAYERSPRITES];
 		spriteinfo_t sprinfo[NUMPLAYERSPRITES];
 	} super;
+
+	// TODO: 2.3: Delete
+	spritedef_t sprites_compat[NUMPLAYERSPRITES * 2];
 } skin_t;
 
 /// Externs
diff --git a/src/r_textures.c b/src/r_textures.c
index 5d3fe24db2c942647d514a92ad42a759d0b3c9f4..b61ddb86f849f26c3e53980163c5a7f1ac2e94cd 100644
--- a/src/r_textures.c
+++ b/src/r_textures.c
@@ -147,9 +147,9 @@ static void R_DrawFlippedColumnInCache(column_t *column, UINT8 *cache, texpatch_
 
 		if (count > 0)
 		{
-			for (; dest < cache + position + count; --source, is_opaque++)
+			for (; dest < cache + position + count; --source, dest++, is_opaque++)
 			{
-				*dest++ = *source;
+				*dest = *source;
 				*is_opaque = true;
 			}
 		}
@@ -295,7 +295,6 @@ UINT8 *R_GenerateTexture(size_t texnum)
 		UINT16 lumpnum = patch->lump;
 		UINT8 *pdata;
 		softwarepatch_t *realpatch;
-		boolean holey = false;
 
 #ifndef NO_PNG_LUMPS
 		UINT8 header[PNG_HEADER_SIZE];
@@ -310,9 +309,11 @@ UINT8 *R_GenerateTexture(size_t texnum)
 		pdata = W_CacheLumpNumPwad(wadnum, lumpnum, PU_CACHE);
 		realpatch = (softwarepatch_t *)pdata;
 
+		texture->transparency = false;
+
 		// Check the patch for holes.
 		if (texture->width > SHORT(realpatch->width) || texture->height > SHORT(realpatch->height))
-			holey = true;
+			texture->transparency = true;
 		else
 		{
 			UINT8 *colofs = (UINT8 *)realpatch->columnofs;
@@ -332,12 +333,12 @@ UINT8 *R_GenerateTexture(size_t texnum)
 					col = (doompost_t *)((UINT8 *)col + col->length + 4);
 				}
 				if (y < texture->height)
-					holey = true; // this texture is HOLEy! D:
+					texture->transparency = true; // this texture is HOLEy! D:
 			}
 		}
 
 		// If the patch uses transparency, we have to save it this way.
-		if (holey)
+		if (texture->transparency)
 		{
 			texture->flip = patch->flip;
 
@@ -378,6 +379,15 @@ UINT8 *R_GenerateTexture(size_t texnum)
 	temp_columns = Z_Calloc(sizeof(column_t) * texture->width, PU_STATIC, NULL);
 	temp_block = Z_Calloc(total_pixels, PU_STATIC, NULL);
 
+#ifdef TEXTURE_255_IS_TRANSPARENT
+	texture->transparency = false;
+
+	// Transparency hack
+	memset(temp_block, TRANSPARENTPIXEL, total_pixels);
+#else
+	texture->transparency = true;
+#endif
+
 	for (x = 0; x < texture->width; x++)
 	{
 		column_t *column = &temp_columns[x];
@@ -474,13 +484,27 @@ UINT8 *R_GenerateTexture(size_t texnum)
 	// Now write the columns
 	column_posts = Z_Calloc(sizeof(unsigned) * texture->width, PU_STATIC, NULL);
 
+#ifdef TEXTURE_255_IS_TRANSPARENT
+	total_posts = texture->width;
+	temp_posts = Z_Realloc(temp_posts, sizeof(post_t) * total_posts, PU_CACHE, NULL);
+#endif
+
 	for (x = 0; x < texture->width; x++)
 	{
 		post_t *post = NULL;
-		boolean was_opaque = false;
 
 		column_t *column = &temp_columns[x];
 
+#ifdef TEXTURE_255_IS_TRANSPARENT
+		post = &temp_posts[x];
+		post->topdelta = 0;
+		post->length = texture->height;
+		post->data_offset = 0;
+		column_posts[x] = x;
+		column->num_posts = 1;
+#else
+		boolean was_opaque = false;
+
 		column_posts[x] = (unsigned)-1;
 
 		for (INT32 y = 0; y < texture->height; y++)
@@ -510,6 +534,7 @@ UINT8 *R_GenerateTexture(size_t texnum)
 
 			post->length++;
 		}
+#endif
 	}
 
 	blocksize = (sizeof(column_t) * texture->width) + (sizeof(post_t) * total_posts) + (sizeof(UINT8) * total_pixels);
@@ -1154,7 +1179,7 @@ static lumpnum_t W_GetTexPatchLumpNum(const char *name)
 	if (lump == LUMPERROR)
 	{
 		// Use whatever else you can find.
-		return W_GetNumForName(name);
+		return W_CheckNumForPatchName(name);
 	}
 
 	return lump;
diff --git a/src/r_textures.h b/src/r_textures.h
index eb68ec09f21d4fe8d847b048ac12ba9bd3a1817d..7e1588851d93093882ae8fb17bca1e70ba0aa61a 100644
--- a/src/r_textures.h
+++ b/src/r_textures.h
@@ -54,6 +54,7 @@ typedef struct
 	char name[8];
 	UINT32 hash;
 	UINT8 type; // TEXTURETYPE_*
+	boolean transparency;
 	INT16 width, height;
 	UINT8 flip; // 1 = flipx, 2 = flipy, 3 = both
 	void *flat; // The texture, as a flat.
diff --git a/src/r_things.c b/src/r_things.c
index dc9cab99770817e5f05c6d13a281f3fa37668790..b32181670aa0ad9e3c5c59bcdc9f9fb2a810108d 100644
--- a/src/r_things.c
+++ b/src/r_things.c
@@ -996,6 +996,12 @@ UINT8 *R_GetTranslationForThing(mobj_t *mobj, skincolornum_t color, UINT16 trans
 	return NULL;
 }
 
+// Based off of R_GetLinedefTransTable
+transnum_t R_GetThingTransTable(fixed_t alpha, transnum_t transmap)
+{
+	return (20*(FRACUNIT - ((alpha * (10 - transmap))/10) - 1) + FRACUNIT) >> (FRACBITS+1);
+}
+
 //
 // R_DrawVisSprite
 //  mfloorclip and mceilingclip should also be set.
@@ -1501,6 +1507,7 @@ static void R_ProjectDropShadow(mobj_t *thing, vissprite_t *vis, fixed_t scale,
 	floordiff = abs((isflipped ? interp.height : 0) + interp.z - groundz);
 
 	trans = floordiff / (100*FRACUNIT) + 3;
+	trans = R_GetThingTransTable(thing->alpha, trans);
 	if (trans >= 9) return;
 
 	scalemul = FixedMul(FRACUNIT - floordiff/640, scale);
@@ -2191,6 +2198,11 @@ static void R_ProjectSprite(mobj_t *thing)
 	}
 	else
 		trans = 0;
+	
+	if ((oldthing->flags2 & MF2_LINKDRAW) && oldthing->tracer)
+		trans = R_GetThingTransTable(oldthing->tracer->alpha, trans);
+	else
+		trans = R_GetThingTransTable(oldthing->alpha, trans);
 
 	// Check if this sprite needs to be rendered like a shadow
 	shadowdraw = (!!(thing->renderflags & RF_SHADOWDRAW) && !(papersprite || splat));
@@ -3652,6 +3664,7 @@ boolean R_ThingVisible (mobj_t *thing)
 		(thing->sprite == SPR_NULL) || // Don't draw null-sprites
 		(thing->flags2 & MF2_DONTDRAW) || // Don't draw MF2_LINKDRAW objects
 		(thing->drawonlyforplayer && thing->drawonlyforplayer != viewplayer) || // Don't draw other players' personal objects
+		(!R_BlendLevelVisible(thing->blendmode, R_GetThingTransTable(thing->alpha, 0))) ||
 		(!P_MobjWasRemoved(r_viewmobj) && (
 		  (r_viewmobj == thing) || // Don't draw first-person players or awayviewmobj objects
 		  (r_viewmobj->player && r_viewmobj->player->followmobj == thing) || // Don't draw first-person players' followmobj
diff --git a/src/r_things.h b/src/r_things.h
index 3daf55c4235bc753aeb5f1c897856e6d9303338c..55ab71ec3847d5b85295904a18de516afa6f1b74 100644
--- a/src/r_things.h
+++ b/src/r_things.h
@@ -93,6 +93,7 @@ boolean R_ThingIsFullDark (mobj_t *thing);
 boolean R_ThingIsFlashing (mobj_t *thing);
 
 UINT8 *R_GetTranslationForThing(mobj_t *mobj, skincolornum_t color, UINT16 translation);
+transnum_t R_GetThingTransTable(fixed_t alpha, transnum_t transmap);
 
 void R_ThingOffsetOverlay (mobj_t *thing, fixed_t *outx, fixed_t *outy);
 
diff --git a/src/screen.c b/src/screen.c
index 9a82a15618a4045d651d10aae38a8e963b6711a5..014a20117999065fc2ee47e6d4a00af11f6e0e87 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -112,6 +112,10 @@ void SCR_SetDrawFuncs(void)
 		colfuncs[COLDRAWFUNC_SHADE] = R_DrawShadeColumn_8;
 		colfuncs[COLDRAWFUNC_SHADOWED] = R_DrawColumnShadowed_8;
 		colfuncs[COLDRAWFUNC_TRANSTRANS] = R_DrawTranslatedTranslucentColumn_8;
+		colfuncs[COLDRAWFUNC_CLAMPED] = R_DrawColumnClamped_8;
+		colfuncs[COLDRAWFUNC_CLAMPEDTRANS] = R_DrawTranslucentColumnClamped_8;
+		colfuncs[COLDRAWFUNC_TWOSMULTIPATCH] = R_Draw2sMultiPatchColumn_8;
+		colfuncs[COLDRAWFUNC_TWOSMULTIPATCHTRANS] = R_Draw2sMultiPatchTranslucentColumn_8;
 		colfuncs[COLDRAWFUNC_FOG] = R_DrawFogColumn_8;
 
 		spanfuncs[SPANDRAWFUNC_TRANS] = R_DrawTranslucentSpan_8;
diff --git a/src/screen.h b/src/screen.h
index 8b952e553a18c30f9cbdaf323bdbc01aa11f0fe4..375b3e04e9f3846a60992b9f230b4054321cf743 100644
--- a/src/screen.h
+++ b/src/screen.h
@@ -30,10 +30,6 @@
 #define NUMSCREENS 5
 #endif
 
-// Size of statusbar.
-#define ST_HEIGHT 32
-#define ST_WIDTH 320
-
 // used now as a maximum video mode size for extra vesa modes.
 
 // we try to re-allocate a minimum of buffers for stability of the memory,
@@ -97,6 +93,10 @@ enum
 	COLDRAWFUNC_SHADE,
 	COLDRAWFUNC_SHADOWED,
 	COLDRAWFUNC_TRANSTRANS,
+	COLDRAWFUNC_CLAMPED,
+	COLDRAWFUNC_CLAMPEDTRANS,
+	COLDRAWFUNC_TWOSMULTIPATCH,
+	COLDRAWFUNC_TWOSMULTIPATCHTRANS,
 	COLDRAWFUNC_FOG,
 
 	COLDRAWFUNC_MAX
diff --git a/src/sdl/CMakeLists.txt b/src/sdl/CMakeLists.txt
index ee48fa2b154568889c50d4e0a6c8d97c5c2a7bf0..99425108e69b3761fd03de7790d02232e44bb898 100644
--- a/src/sdl/CMakeLists.txt
+++ b/src/sdl/CMakeLists.txt
@@ -33,8 +33,6 @@ target_compile_options(SRB2SDL2 PRIVATE
         -Wall
         -Wno-trigraphs
         -W # Was controlled by RELAXWARNINGS
-        -pedantic
-        -Wpedantic
         -Wfloat-equal
         -Wundef
         -Wpointer-arith
diff --git a/src/sdl/i_system.c b/src/sdl/i_system.c
index 8bae550b0b12c1cc40fa166d6dc9963946a4c11d..9fe50a6a2347583f0fe705ff5c6f6a0466ea51a9 100644
--- a/src/sdl/i_system.c
+++ b/src/sdl/i_system.c
@@ -2987,7 +2987,7 @@ static void pathonly(char *s)
 */
 static const char *searchWad(const char *searchDir)
 {
-	static char tempsw[256] = "";
+	static char tempsw[MAX_WADPATH] = "";
 	filestatus_t fstemp;
 
 	strcpy(tempsw, WADKEYWORD1);
@@ -3003,8 +3003,8 @@ static const char *searchWad(const char *searchDir)
 
 #define CHECKWADPATH(ret) \
 do { \
-	I_OutputMsg(",%s", returnWadPath); \
-	if (isWadPathOk(returnWadPath)) \
+	I_OutputMsg(",%s", ret); \
+	if (isWadPathOk(ret)) \
 		return ret; \
 } while (0)
 
@@ -3033,7 +3033,9 @@ static const char *locateWad(void)
 #ifndef NOCWD
 	// examine current dir
 	strcpy(returnWadPath, ".");
-	CHECKWADPATH(NULL);
+	I_OutputMsg(",%s", returnWadPath);
+	if (isWadPathOk(returnWadPath))
+		return NULL;
 #endif
 
 #ifdef __APPLE__
@@ -3050,9 +3052,16 @@ static const char *locateWad(void)
 
 #ifndef NOHOME
 	// find in $HOME
-	I_OutputMsg(",HOME");
+	I_OutputMsg(",HOME/" DEFAULTDIR);
 	if ((envstr = I_GetEnv("HOME")) != NULL)
-		SEARCHWAD(envstr);
+	{
+		char *tmp = malloc(strlen(envstr) + 1 + sizeof(DEFAULTDIR));
+		strcpy(tmp, envstr);
+		strcat(tmp, "/");
+		strcat(tmp, DEFAULTDIR);
+		CHECKWADPATH(tmp);
+		free(tmp);
+	}
 #endif
 
 	// search paths
diff --git a/src/sdl/i_video.c b/src/sdl/i_video.c
index 249be61f69dd054824e6a21b755130226ccb4957..10c866a1e32ff6dd3c8ac248fb50df2a4e3a30f6 100644
--- a/src/sdl/i_video.c
+++ b/src/sdl/i_video.c
@@ -1706,7 +1706,7 @@ static void Impl_VideoSetupBuffer(void)
 	vid.direct = NULL;
 	if (vid.buffer)
 		free(vid.buffer);
-	vid.buffer = calloc(vid.rowbytes*vid.height, NUMSCREENS);
+	vid.buffer = calloc(NUMSCREENS, vid.rowbytes*vid.height);
 	if (!vid.buffer)
 	{
 		I_Error("%s", M_GetText("Not enough memory for video buffer\n"));
diff --git a/src/snake.c b/src/snake.c
index 2349d5fdbfb6d66af7d4bc55df03b553052153c8..4219d5b8fa54ee69ce1b99167e697e935cd3483b 100644
--- a/src/snake.c
+++ b/src/snake.c
@@ -582,7 +582,7 @@ boolean Snake_JoyGrabber(void *opaque, event_t *ev)
 {
 	snake_t *snake = opaque;
 
-	if (ev->type == ev_joystick  && ev->key == 0)
+	if (snake != NULL && ev->type == ev_joystick  && ev->key == 0)
 	{
 		snake->joyevents[snake->joyeventcount] = ev;
 		snake->joyeventcount++;