Merge branch 'next' into 'extra-textures'

# Conflicts:
#   src/p_maputl.c
#   src/r_segs.c

src/b_bot.c

@@ -387,7 +387,8 @@ void B_BuildTiccmd(player_t *player, ticcmd_t *cmd)
 	}
 
 	// Bot AI isn't programmed in analog.
-	CV_SetValue(&cv_analog[1], false);
+	if (!dedicated)
+		CV_SetValue(&cv_analog[1], false);
 
 	// Let Lua scripts build ticcmds
 	if (LUA_HookTiccmd(player, cmd, HOOK(BotTiccmd)))

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.

src/console.c

@@ -1728,12 +1728,12 @@ static void CON_DrawBackpic(void)
 
 	// Get the lumpnum for CONSBACK, STARTUP (Only during game startup) or fallback into MISSING.
 	if (con_startup)
-		piclump = W_CheckNumForName("STARTUP");
+		piclump = W_CheckNumForPatchName("STARTUP");
 	else
-		piclump = W_CheckNumForName("CONSBACK");
+		piclump = W_CheckNumForPatchName("CONSBACK");
 
 	if (piclump == LUMPERROR)
-		piclump = W_GetNumForName("MISSING");
+		piclump = W_GetNumForPatchName("MISSING");
 
 	// Cache the patch.
 	con_backpic = W_CachePatchNum(piclump, PU_PATCH);

src/d_main.c

@@ -758,9 +758,9 @@ void D_SRB2Loop(void)
 	/* Smells like a hack... Don't fade Sonic's ass into the title screen. */
 	if (gamestate != GS_TITLESCREEN)
 	{
-		gstartuplumpnum = W_CheckNumForName("STARTUP");
+		gstartuplumpnum = W_CheckNumForPatchName("STARTUP");
 		if (gstartuplumpnum == LUMPERROR)
-			gstartuplumpnum = W_GetNumForName("MISSING");
+			gstartuplumpnum = W_GetNumForPatchName("MISSING");
 		V_DrawScaledPatch(0, 0, 0, W_CachePatchNum(gstartuplumpnum, PU_PATCH));
 	}
 
@@ -983,7 +983,7 @@ void D_StartTitle(void)
 	emeralds = 0;
 	memset(&luabanks, 0, sizeof(luabanks));
 	lastmaploaded = 0;
-	pickedchar = R_SkinAvailable(cv_defaultskin.string);
+	pickedchar = R_SkinAvailable(cv_skin.string);
 
 	// In case someone exits out at the same time they start a time attack run,
 	// reset modeattacking
@@ -1842,17 +1842,21 @@ static boolean check_top_dir(const char **path, const char *top)
 	return true;
 }
 
-static int cmp_strlen_desc(const void *a, const void *b)
+static int cmp_strlen_desc(const void *A, const void *B)
 {
-	return ((int)strlen(*(const char*const*)b) - (int)strlen(*(const char*const*)a));
+	const char *pA = A;
+	const char *pB = B;
+	size_t As = strlen(pA);
+	size_t Bs = strlen(pB);
+	return ((int)Bs - (int)As);
 }
 
 boolean D_IsPathAllowed(const char *path)
 {
-	const char *paths[] = {
+	char *paths[] = {
 		srb2home,
 		srb2path,
-		cv_addons_folder.string
+		cv_addons_folder.zstring
 	};
 
 	const size_t n_paths = sizeof paths / sizeof *paths;

src/dedicated/i_system.c

@@ -1433,9 +1433,15 @@ static const char *locateWad(void)
 
 #ifndef NOHOME
 	// find in $HOME
-	I_OutputMsg(",HOME");
+	I_OutputMsg(",HOME/" DEFAULTDIR);
 	if ((envstr = I_GetEnv("HOME")) != NULL)
+	{
+		char *tmp = malloc(strlen(envstr) + sizeof(DEFAULTDIR));
+		strcpy(tmp, envstr);
+		strcat(tmp, DEFAULTDIR);
 		SEARCHWAD(envstr);
+		free(tmp);
+	}
 #endif
 
 	// search paths

src/deh_tables.c

@@ -5805,6 +5805,10 @@ struct int_const_s const INT_CONST[] = {
 	{"MB_SCROLLUP",MB_SCROLLUP},
 	{"MB_SCROLLDOWN",MB_SCROLLDOWN},
 
+	// screen.h constants
+	{"BASEVIDWIDTH",BASEVIDWIDTH},
+	{"BASEVIDHEIGHT",BASEVIDHEIGHT},
+
 	{NULL,0}
 };
 

src/f_finale.c

@@ -2336,7 +2336,7 @@ void F_SkyScroll(const char *patchname)
 }
 
 #define LOADTTGFX(arr, name, maxf) \
-lumpnum = W_CheckNumForName(name); \
+lumpnum = W_CheckNumForPatchName(name); \
 if (lumpnum != LUMPERROR) \
 { \
 	arr[0] = W_CachePatchName(name, PU_PATCH_LOWPRIORITY); \
@@ -2350,7 +2350,7 @@ else if (strlen(name) <= 6) \
 	{ \
 		sprintf(&lumpname[cnt], "%.2hu", (UINT16)(i+1)); \
 		lumpname[8] = 0; \
-		lumpnum = W_CheckNumForName(lumpname); \
+		lumpnum = W_CheckNumForPatchName(lumpname); \
 		if (lumpnum != LUMPERROR) \
 			arr[i] = W_CachePatchName(lumpname, PU_PATCH_LOWPRIORITY); \
 		else \
@@ -4116,7 +4116,7 @@ static void F_GetPageTextGeometry(UINT8 *pagelines, boolean *rightside, INT32 *b
 	// reuse:
 	// cutnum -> promptnum
 	// scenenum -> pagenum
-	lumpnum_t iconlump = W_CheckNumForName(textprompts[cutnum]->page[scenenum].iconname);
+	lumpnum_t iconlump = W_CheckNumForPatchName(textprompts[cutnum]->page[scenenum].iconname);
 
 	*pagelines = textprompts[cutnum]->page[scenenum].lines ? textprompts[cutnum]->page[scenenum].lines : 4;
 	*rightside = (iconlump != LUMPERROR && textprompts[cutnum]->page[scenenum].rightside);
@@ -4508,7 +4508,7 @@ void F_TextPromptDrawer(void)
 	if (!promptactive)
 		return;
 
-	iconlump = W_CheckNumForName(textprompts[cutnum]->page[scenenum].iconname);
+	iconlump = W_CheckNumForPatchName(textprompts[cutnum]->page[scenenum].iconname);
 	F_GetPageTextGeometry(&pagelines, &rightside, &boxh, &texth, &texty, &namey, &chevrony, &textx, &textr);
 
 	// Draw gfx first

src/filesrch.c

@@ -699,6 +699,15 @@ static void initdirpath(char *dirpath, size_t *dirpathindex, int depthleft)
 		dirpathindex[depthleft]--;
 }
 
+//sortdir by name? 
+static int lumpnamecompare(const void *A, const void *B)
+{
+	const lumpinfo_t *pA = A;
+	const lumpinfo_t *pB = B;
+	return strcmp((pA->fullname), (pB->fullname));
+
+}
+
 lumpinfo_t *getdirectoryfiles(const char *path, UINT16 *nlmp, UINT16 *nfolders)
 {
 	DIR **dirhandle;
@@ -889,6 +898,9 @@ lumpinfo_t *getdirectoryfiles(const char *path, UINT16 *nlmp, UINT16 *nfolders)
 	free(dirpathindex);
 	free(dirhandle);
 
+	//sort files and directories
+	qsort (lumpinfo, numlumps, sizeof(lumpinfo_t), lumpnamecompare);
+
 	(*nlmp) = numlumps;
 	return lumpinfo;
 }

src/g_demo.c

@@ -67,6 +67,8 @@ static UINT8 *metalbuffer = NULL;
 static UINT8 *metal_p;
 static UINT16 metalversion;
 
+consvar_t cv_resyncdemo = CVAR_INIT("resyncdemo", "On", 0, CV_OnOff, NULL);
+
 // extra data stuff (events registered this frame while recording)
 static struct {
 	UINT8 flags; // EZT flags
@@ -549,6 +551,9 @@ void G_ConsGhostTic(void)
 
 	testmo = players[0].mo;
 
+	if (P_MobjWasRemoved(testmo))
+		return; // No valid mobj exists, probably because of unexpected quit
+
 	// Grab ghost data.
 	ziptic = READUINT8(demo_p);
 	if (ziptic & GZT_XYZ)
@@ -664,11 +669,14 @@ void G_ConsGhostTic(void)
 			CONS_Alert(CONS_WARNING, M_GetText("Demo playback has desynced!\n"));
 		demosynced = false;
 
-		P_UnsetThingPosition(testmo);
+		if (cv_resyncdemo.value)
-		testmo->x = oldghost.x;
+		{
-		testmo->y = oldghost.y;
+			P_UnsetThingPosition(testmo);
-		P_SetThingPosition(testmo);
+			testmo->x = oldghost.x;
-		testmo->z = oldghost.z;
+			testmo->y = oldghost.y;
+			P_SetThingPosition(testmo);
+			testmo->z = oldghost.z;
+		}
 	}
 
 	if (*demo_p == DEMOMARKER)

src/g_demo.h

@@ -35,6 +35,7 @@ typedef enum
 } demo_file_override_e;
 
 extern demo_file_override_e demofileoverride;
+extern consvar_t cv_resyncdemo;
 
 // Quit after playing a demo from cmdline.
 extern boolean singledemo;

src/g_game.c

@@ -1363,11 +1363,11 @@ void G_BuildTiccmd(ticcmd_t *cmd, INT32 realtics, UINT8 ssplayer)
 	axis = PlayerJoyAxis(ssplayer, JA_FIRENORMAL);
 	if (PLAYERINPUTDOWN(ssplayer, GC_FIRENORMAL) || (usejoystick && axis > 0))
 		cmd->buttons |= BT_FIRENORMAL;
-	
+
 	// Toss flag button
 	if (PLAYERINPUTDOWN(ssplayer, GC_TOSSFLAG))
 		cmd->buttons |= BT_TOSSFLAG;
-	
+
 	// Shield button
 	axis = PlayerJoyAxis(ssplayer, JA_SHIELD);
 	if (PLAYERINPUTDOWN(ssplayer, GC_SHIELD) || (usejoystick && axis > 0))
@@ -1386,6 +1386,13 @@ void G_BuildTiccmd(ticcmd_t *cmd, INT32 realtics, UINT8 ssplayer)
 	if (PLAYERINPUTDOWN(ssplayer, GC_SPIN) || (usejoystick && axis > 0))
 		cmd->buttons |= BT_SPIN;
 
+	if (gamestate != GS_LEVEL) // not in a level, don't build anything else
+	{
+		cmd->angleturn = ticcmd_oldangleturn[forplayer];
+		cmd->aiming = G_ClipAimingPitch(myaiming);
+		return;
+	}
+
 	// Centerview can be a toggle in simple mode!
 	{
 		static boolean last_centerviewdown[2], centerviewhold[2]; // detect taps for toggle behavior
@@ -1420,7 +1427,7 @@ void G_BuildTiccmd(ticcmd_t *cmd, INT32 realtics, UINT8 ssplayer)
 
 		ticcmd_centerviewdown[forplayer] = true;
 	}
-	else if (ticcmd_centerviewdown[forplayer])
+	else if (ticcmd_centerviewdown[forplayer] || (leveltime < 5))
 	{
 		if (controlstyle == CS_SIMPLE)
 		{
@@ -1435,6 +1442,9 @@ void G_BuildTiccmd(ticcmd_t *cmd, INT32 realtics, UINT8 ssplayer)
 	{
 		if (
 			P_MobjWasRemoved(ticcmd_ztargetfocus[forplayer]) ||
+			(leveltime < 5) ||
+			(player->playerstate != PST_LIVE) ||
+			player->exiting ||
 			!ticcmd_ztargetfocus[forplayer]->health ||
 			(ticcmd_ztargetfocus[forplayer]->type == MT_EGGMOBILE3 && !ticcmd_ztargetfocus[forplayer]->movecount) // Sea Egg is moving around underground and shouldn't be tracked
 		)
@@ -1466,7 +1476,7 @@ void G_BuildTiccmd(ticcmd_t *cmd, INT32 realtics, UINT8 ssplayer)
 			P_SetTarget(&newtarget->target, ticcmd_ztargetfocus[forplayer]);
 			newtarget->drawonlyforplayer = player; // Hide it from the other player in splitscreen, and yourself when spectating
 
-			if (player->mo && P_AproxDistance(
+			if (player->mo && R_PointToDist2(0, 0,
 				player->mo->x - ticcmd_ztargetfocus[forplayer]->x,
 				player->mo->y - ticcmd_ztargetfocus[forplayer]->y
 			) > 50*player->mo->scale)
@@ -1714,7 +1724,7 @@ void G_BuildTiccmd(ticcmd_t *cmd, INT32 realtics, UINT8 ssplayer)
 	// At this point, cmd doesn't contain the final angle yet,
 	// So we need to temporarily transform it so Lua scripters
 	// don't need to handle it differently than in other hooks.
-	if (addedtogame && gamestate == GS_LEVEL)
+	if (addedtogame)
 	{
 		INT16 extra = ticcmd_oldangleturn[forplayer] - player->oldrelangleturn;
 		INT16 origangle = cmd->angleturn;
@@ -4018,7 +4028,7 @@ INT16 G_GetNextMap(boolean ignoretokens, boolean silent)
 	INT32 i;
 	INT16 newmapnum;
 	boolean spec = G_IsSpecialStage(gamemap);
-	
+
 	// go to next level
 	// newmapnum is 0-based, unlike gamemap
 	if (nextmapoverride != 0)
@@ -4122,7 +4132,7 @@ INT16 G_GetNextMap(boolean ignoretokens, boolean silent)
 
 	if (spec && (!gottoken || ignoretokens) && !nextmapoverride)
 		newmapnum = lastmap; // Exiting from a special stage? Go back to the game. Tails 08-11-2001
-	
+
 	if (!(gametyperules & GTR_CAMPAIGN))
 	{
 		if (cv_advancemap.value == 0) // Stay on same map.
@@ -4130,7 +4140,7 @@ INT16 G_GetNextMap(boolean ignoretokens, boolean silent)
 		else if (cv_advancemap.value == 2) // Go to random map.
 			newmapnum = RandMap(G_TOLFlag(gametype_to_use), prevmap);
 	}
-	
+
 	return newmapnum;
 }
 
@@ -4140,7 +4150,7 @@ INT16 G_GetNextMap(boolean ignoretokens, boolean silent)
 static void G_DoCompleted(void)
 {
 	INT32 i;
-	
+
 	tokenlist = 0; // Reset the list
 
 	if (modeattacking && pausedelay)
@@ -4168,7 +4178,7 @@ static void G_DoCompleted(void)
 	//Get and set prevmap/nextmap
 	prevmap = (INT16)(gamemap-1);
 	nextmap = G_GetNextMap(false, false);
-	
+
 	automapactive = false;
 
 	// We are committed to this map now.

src/hardware/hw_main.c

@@ -2294,14 +2294,14 @@ static void HWR_ProcessSeg(void)
 				if ((high1 < lowcut && highslope1 < lowcutslope) || (low1 > highcut && lowslope1 > highcutslope))
 					continue;
 
-				side_t *side = R_GetFFloorSide(gl_curline, rover);
+				side_t *side = R_GetFFloorSide(gl_curline->linedef, rover, gl_backsector);
 
 				boolean do_texture_skew;
 				boolean dont_peg_bottom;
 
 				if (rover->master->flags & ML_TFERLINE)
 				{
-					line_t *newline = R_GetFFloorLine(gl_curline, rover);
+					line_t *newline = R_GetFFloorLine(gl_curline->linedef, rover, gl_backsector);
 					do_texture_skew = newline->flags & ML_SKEWTD;
 					dont_peg_bottom = newline->flags & ML_DONTPEGBOTTOM;
 				}
@@ -2459,14 +2459,14 @@ static void HWR_ProcessSeg(void)
 				if ((high1 < lowcut && highslope1 < lowcutslope) || (low1 > highcut && lowslope1 > highcutslope))
 					continue;
 
-				side_t *side = R_GetFFloorSide(gl_curline, rover);
+				side_t *side = R_GetFFloorSide(gl_curline->linedef, rover, gl_backsector);
 
 				boolean do_texture_skew;
 				boolean dont_peg_bottom;
 
 				if (rover->master->flags & ML_TFERLINE)
 				{
-					line_t *newline = R_GetFFloorLine(gl_curline, rover);
+					line_t *newline = R_GetFFloorLine(gl_curline->linedef, rover, gl_backsector);
 					do_texture_skew = newline->flags & ML_SKEWTD;
 					dont_peg_bottom = newline->flags & ML_DONTPEGBOTTOM;
 				}
@@ -6000,7 +6000,9 @@ static void HWR_SetTransformAiming(FTransform *trans, player_t *player, boolean
 	if (cv_glshearing.value == 1 || (cv_glshearing.value == 2 && R_IsViewpointThirdPerson(player, skybox)))
 	{
 		fixed_t fixedaiming = AIMINGTODY(aimingangle);
-		trans->viewaiming = FIXED_TO_FLOAT(fixedaiming);
+		trans->viewaiming = FIXED_TO_FLOAT(fixedaiming) * ((float)vid.width / vid.height) / ((float)BASEVIDWIDTH / BASEVIDHEIGHT);
+		if (splitscreen)
+			trans->viewaiming *= 2.125; // splitscreen adjusts fov with 0.8, so compensate (but only halfway, since splitscreen means only half the screen is used)
 		trans->shearing = true;
 		gl_aimingangle = 0;
 	}

src/hardware/hw_md2.c

@@ -1093,19 +1093,19 @@ static modelspr2frames_t *HWR_GetModelSprite2Frames(md2_t *md2, UINT16 spr2)
 			return &md2->model->superspr2frames[spr2];
 	}
 
-	if (md2->model->spr2frames)
+	if (md2->model->spr2frames[spr2].numframes)
 		return &md2->model->spr2frames[spr2];
 
 	return NULL;
 }
 
-static modelspr2frames_t *HWR_GetModelSprite2(md2_t *md2, skin_t *skin, UINT16 spr2, player_t *player)
+static UINT16 HWR_GetModelSprite2Num(md2_t *md2, skin_t *skin, UINT16 spr2, player_t *player)
 {
 	UINT16 super = 0;
 	UINT8 i = 0;
 
 	if (!md2 || !md2->model || !skin)
-		return HWR_GetModelSprite2Frames(md2, 0);
+		return 0;
 
 	while (!HWR_GetModelSprite2Frames(md2, spr2)
 		&& spr2 != SPR2_STND
@@ -1145,7 +1145,7 @@ static modelspr2frames_t *HWR_GetModelSprite2(md2_t *md2, skin_t *skin, UINT16 s
 	if (i >= 32) // probably an infinite loop...
 		spr2 = 0;
 
-	return HWR_GetModelSprite2Frames(md2, spr2);
+	return spr2;
 }
 
 // Adjust texture coords of model to fit into a patch's max_s and max_t
@@ -1269,6 +1269,7 @@ boolean HWR_DrawModel(gl_vissprite_t *spr)
 		const UINT8 flip = (UINT8)(!(spr->mobj->eflags & MFE_VERTICALFLIP) != !R_ThingVerticallyFlipped(spr->mobj));
 		const UINT8 hflip = (UINT8)(!(spr->mobj->mirrored) != !R_ThingHorizontallyFlipped(spr->mobj));
 		spritedef_t *sprdef;
+		UINT16 spr2 = 0;
 		spriteframe_t *sprframe;
 		INT32 mod;
 		interpmobjstate_t interp;
@@ -1438,13 +1439,17 @@ boolean HWR_DrawModel(gl_vissprite_t *spr)
 
 		frame = (spr->mobj->frame & FF_FRAMEMASK);
 		if (spr->mobj->skin && spr->mobj->sprite == SPR_PLAY)
-			spr2frames = HWR_GetModelSprite2(md2, spr->mobj->skin, spr->mobj->sprite2, spr->mobj->player);
+		{
+			spr2 = HWR_GetModelSprite2Num(md2, spr->mobj->skin, spr->mobj->sprite2, spr->mobj->player);
+			spr2frames = HWR_GetModelSprite2Frames(md2, spr2);
+		}
 		if (spr2frames)
 		{
+			spritedef_t *defaultdef = P_GetSkinSpritedef(spr->mobj->skin, spr2);
 			mod = spr2frames->numframes;
 #ifndef DONTHIDEDIFFANIMLENGTH // by default, different anim length is masked by the mod
-			if (mod > (INT32)sprdef->numframes)
+			if (mod > (INT32)defaultdef->numframes)
-				mod = sprdef->numframes;
+				mod = defaultdef->numframes;
 #endif
 			if (!mod)
 				mod = 1;

src/hu_stuff.c

@@ -272,7 +272,7 @@ void HU_LoadFontCharacters(fontdef_t *font, const char *prefix)
 		for (i = 0; i < FONTSIZE; i++, j++)
 		{
 			sprintf(buffer, "%.5s%.3d", prefix, j);
-			if (W_CheckNumForName(buffer) == LUMPERROR)
+			if (W_CheckNumForPatchName(buffer) == LUMPERROR)
 				font->chars[i] = NULL;
 			else
 				font->chars[i] = (patch_t *)W_CachePatchName(buffer, PU_HUDGFX);
@@ -2015,13 +2015,13 @@ static void HU_Draw32TeamTabRankings(playersort_t *tab, INT32 whiteplayer)
 		greycheck = greycheckdef;
 		supercheck = supercheckdef;
 
-		if (tab[i].color == skincolor_redteam) //red
+		if (players[tab[i].num].ctfteam == 1) //red
 		{
 			redplayers++;
 			x = 14 + (BASEVIDWIDTH/2);
 			y = (redplayers * 9) + 20;
 		}
-		else if (tab[i].color == skincolor_blueteam) //blue
+		else if (players[tab[i].num].ctfteam == 2) //blue
 		{
 			blueplayers++;
 			x = 14;
@@ -2103,7 +2103,7 @@ void HU_DrawTeamTabRankings(playersort_t *tab, INT32 whiteplayer)
 		if (players[tab[i].num].spectator)
 			continue; //ignore them.
 
-		if (tab[i].color == skincolor_redteam) //red
+		if (players[tab[i].num].ctfteam == 1) //red
 		{
 			if (redplayers++ > 8)
 			{
@@ -2111,7 +2111,7 @@ void HU_DrawTeamTabRankings(playersort_t *tab, INT32 whiteplayer)
 				break; // don't make more loops than we need to.
 			}
 		}
-		else if (tab[i].color == skincolor_blueteam) //blue
+		else if (players[tab[i].num].ctfteam == 2) //blue
 		{
 			if (blueplayers++ > 8)
 			{
@@ -2142,14 +2142,14 @@ void HU_DrawTeamTabRankings(playersort_t *tab, INT32 whiteplayer)
 		if (players[tab[i].num].spectator)
 			continue; //ignore them.
 
-		if (tab[i].color == skincolor_redteam) //red
+		if (players[tab[i].num].ctfteam == 1) //red
 		{
 			if (redplayers++ > 8)
 				continue;
 			x = 32 + (BASEVIDWIDTH/2);
 			y = (redplayers * 16) + 16;
 		}
-		else if (tab[i].color == skincolor_blueteam) //blue
+		else if (players[tab[i].num].ctfteam == 2) //blue
 		{
 			if (blueplayers++ > 8)
 				continue;

src/lua_baselib.c

@@ -346,6 +346,18 @@ static int lib_reserveLuabanks(lua_State *L)
 	return 1;
 }
 
+static int lib_tofixed(lua_State *L)
+{
+	const char *arg = luaL_checkstring(L, 1);
+	char *end;
+	float f = strtof(arg, &end);
+	if (*end != '\0')
+		lua_pushnil(L);
+	else
+		lua_pushnumber(L, FLOAT_TO_FIXED(f));
+	return 1;
+}
+
 // M_MENU
 //////////////
 
@@ -642,7 +654,7 @@ 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;
 }
 
@@ -4334,6 +4346,7 @@ static luaL_Reg lib[] = {
 	{"userdataMetatable", lib_userdataMetatable},
 	{"IsPlayerAdmin", lib_isPlayerAdmin},
 	{"reserveLuabanks", lib_reserveLuabanks},
+	{"tofixed", lib_tofixed},
 
 	// m_menu
 	{"M_MoveColorAfter",lib_pMoveColorAfter},

src/lua_hudlib_drawlist.c

@@ -180,7 +180,8 @@ static const char *CopyString(huddrawlist_h list, const char* str)
 		const char *old_offset = list->strbuf;
 		size_t i;
 		if (list->strbuf_capacity == 0) list->strbuf_capacity = 256;
-		else list->strbuf_capacity *= 2;
+		while (list->strbuf_capacity <= list->strbuf_len + lenstr + 1)
+			list->strbuf_capacity *= 2;
 		list->strbuf = (char*) Z_Realloc(list->strbuf, sizeof(char) * list->strbuf_capacity, PU_STATIC, NULL);
 
 		// align the string pointers to make sure old pointers don't point towards invalid addresses

src/lua_infolib.c

@@ -242,17 +242,12 @@ static int lib_getSpriteInfo(lua_State *L)
 	UINT32 i = NUMSPRITES;
 	lua_remove(L, 1);
 
-	if (lua_isstring(L, 1))
+	if (lua_type(L, 1) == LUA_TSTRING)
 	{
 		const char *name = lua_tostring(L, 1);
 		INT32 spr = R_GetSpriteNumByName(name);
 		if (spr == NUMSPRITES)
-		{
+			return luaL_error(L, "unknown sprite name %s", name);
-			char *check;
-			i = strtol(name, &check, 10);
-			if (check == name || *check != '\0')
-				return luaL_error(L, "unknown sprite name %s", name);
-		}
 		i = spr;
 	}
 	else
@@ -1740,7 +1735,7 @@ static int lib_setSkinColor(lua_State *L)
 		else if (i == 6 || (str && fastcmp(str,"accessible"))) {
 			boolean v = lua_toboolean(L, 3);
 			if (cnum < FIRSTSUPERCOLOR && v != skincolors[cnum].accessible)
-				CONS_Alert(CONS_WARNING, "skincolors[] index %d is a standard color; accessibility changes are prohibited.", cnum);
+				CONS_Alert(CONS_WARNING, "skincolors[] index %d is a standard color; accessibility changes are prohibited.\n", cnum);
 			else
 				info->accessible = v;
 		}
@@ -1835,7 +1830,7 @@ static int skincolor_set(lua_State *L)
 	else if (fastcmp(field,"accessible")) {
 		boolean v = lua_toboolean(L, 3);
 		if (cnum < FIRSTSUPERCOLOR && v != skincolors[cnum].accessible)
-			CONS_Alert(CONS_WARNING, "skincolors[] index %d is a standard color; accessibility changes are prohibited.", cnum);
+			CONS_Alert(CONS_WARNING, "skincolors[] index %d is a standard color; accessibility changes are prohibited.\n", cnum);
 		else
 			info->accessible = v;
 	} else

src/m_menu.c

@@ -263,7 +263,7 @@ static void M_ConfirmTeamScramble(INT32 choice);
 static void M_ConfirmTeamChange(INT32 choice);
 static void M_SecretsMenu(INT32 choice);
 static void M_SetupChoosePlayer(INT32 choice);
-static UINT16 M_SetupChoosePlayerDirect(INT32 choice);
+static INT32 M_SetupChoosePlayerDirect(INT32 choice);
 static void M_QuitSRB2(INT32 choice);
 menu_t SP_MainDef, OP_MainDef;
 menu_t MISC_ScrambleTeamDef, MISC_ChangeTeamDef;
@@ -3674,7 +3674,7 @@ void M_StartControlPanel(void)
 	{
 		// Devmode unlocks Pandora's Box in the pause menu
 		boolean pandora = ((M_SecretUnlocked(SECRET_PANDORA, serverGamedata) || cv_debug || devparm) && !marathonmode);
-		
+
 		if (gamestate != GS_LEVEL || ultimatemode) // intermission, so gray out stuff.
 		{
 			SPauseMenu[spause_pandora].status = (pandora) ? (IT_GRAYEDOUT) : (IT_DISABLED);
@@ -4030,11 +4030,11 @@ static void M_DrawThermo(INT32 x, INT32 y, consvar_t *cv)
 	lumpnum_t leftlump, rightlump, centerlump[2], cursorlump;
 	patch_t *p;
 
-	leftlump = W_GetNumForName("M_THERML");
+	leftlump = W_GetNumForPatchName("M_THERML");
-	rightlump = W_GetNumForName("M_THERMR");
+	rightlump = W_GetNumForPatchName("M_THERMR");
-	centerlump[0] = W_GetNumForName("M_THERMM");
+	centerlump[0] = W_GetNumForPatchName("M_THERMM");
-	centerlump[1] = W_GetNumForName("M_THERMM");
+	centerlump[1] = W_GetNumForPatchName("M_THERMM");
-	cursorlump = W_GetNumForName("M_THERMO");
+	cursorlump = W_GetNumForPatchName("M_THERMO");
 
 	V_DrawScaledPatch(xx, y, 0, p = W_CachePatchNum(leftlump,PU_PATCH));
 	xx += p->width - p->leftoffset;
@@ -4156,7 +4156,7 @@ static void M_DrawStaticBox(fixed_t x, fixed_t y, INT32 flags, fixed_t w, fixed_
 			temp = (gametic % temp) * h*2*FRACUNIT; // Which frame to draw
 
 		V_DrawCroppedPatch(x*FRACUNIT, y*FRACUNIT, (w*FRACUNIT) / 160, (h*FRACUNIT) / 100, flags, patch, NULL, 0, temp, w*2*FRACUNIT, h*2*FRACUNIT);
-		
+
 		W_UnlockCachedPatch(patch);
 		return;
 	}
@@ -7000,7 +7000,10 @@ static void M_LevelSelectWarp(INT32 choice)
 	if (currentMenu == &SP_LevelSelectDef || currentMenu == &SP_PauseLevelSelectDef)
 	{
 		if (cursaveslot > 0) // do we have a save slot to load?
+		{
+			CV_StealthSet(&cv_skin, DEFAULTSKIN); // already handled by loadgame so we don't want this
 			G_LoadGame((UINT32)cursaveslot, startmap); // reload from SP save data: this is needed to keep score/lives/continues from reverting to defaults
+		}
 		else // no save slot, start new game but keep the current skin
 		{
 			M_ClearMenus(true);
@@ -8649,9 +8652,14 @@ static void M_LoadSelect(INT32 choice)
 		M_NewGame();
 	}
 	else if (savegameinfo[saveSlotSelected-1].gamemap & 8192) // Completed
+	{
 		M_LoadGameLevelSelect(0);
+	}
 	else
+	{
+		CV_StealthSet(&cv_skin, DEFAULTSKIN); // already handled by loadgame so we don't want this
 		G_LoadGame((UINT32)saveSlotSelected, 0);
+	}
 
 	cursaveslot = saveSlotSelected;
 }
@@ -9072,7 +9080,7 @@ static void M_CacheCharacterSelectEntry(INT32 i, INT32 skinnum)
 		description[i].namepic = W_CachePatchName(description[i].nametag, PU_PATCH);
 }
 
-static UINT16 M_SetupChoosePlayerDirect(INT32 choice)
+static INT32 M_SetupChoosePlayerDirect(INT32 choice)
 {
 	INT32 skinnum, botskinnum;
 	UINT16 i;
@@ -9161,7 +9169,7 @@ static UINT16 M_SetupChoosePlayerDirect(INT32 choice)
 
 static void M_SetupChoosePlayer(INT32 choice)
 {
-	UINT16 skinset = M_SetupChoosePlayerDirect(choice);
+	INT32 skinset = M_SetupChoosePlayerDirect(choice);
 	if (skinset != MAXCHARACTERSLOTS)
 	{
 		M_ChoosePlayer(skinset);
@@ -9510,6 +9518,8 @@ static void M_ChoosePlayer(INT32 choice)
 	//lastmapsaved = 0;
 	gamecomplete = 0;
 
+	CV_StealthSet(&cv_skin, skins[skinnum]->name);
+
 	G_DeferedInitNew(ultmode, G_BuildMapName(startmap), skinnum, false, fromlevelselect);
 	COM_BufAddText("dummyconsvar 1\n"); // G_DeferedInitNew doesn't do this
 
@@ -10186,7 +10196,7 @@ void M_DrawNightsAttackMenu(void)
 			skinnumber = 0; //Default to Sonic
 		else
 			skinnumber = (cv_chooseskin.value-1);
-			
+
 		spritedef_t *sprdef = &skins[skinnumber]->sprites[SPR2_NFLY]; //Make our patch the selected character's NFLY sprite
 		spritetimer = FixedInt(ntsatkdrawtimer/2) % skins[skinnumber]->sprites[SPR2_NFLY].numframes; //Make the sprite timer cycle though all the frames at 2 tics per frame
 		spriteframe_t *sprframe = &sprdef->spriteframes[spritetimer]; //Our animation frame is equal to the number on the timer
@@ -10199,11 +10209,14 @@ void M_DrawNightsAttackMenu(void)
 			color = skins[skinnumber]->supercolor+4;
 		else //If you don't go super in NiGHTS or at all, use prefcolor
 			color = skins[skinnumber]->prefcolor;
-				
+
 		angle_t fa = (FixedAngle(((FixedInt(ntsatkdrawtimer * 4)) % 360)<<FRACBITS)>>ANGLETOFINESHIFT) & FINEMASK;
+		fixed_t scale = skins[skinnumber]->highresscale;
+		if (skins[skinnumber]->shieldscale)
+			scale = FixedDiv(scale, skins[skinnumber]->shieldscale);
 
 		V_DrawFixedPatch(270<<FRACBITS, (186<<FRACBITS) - 8*FINESINE(fa),
-						 FixedDiv(skins[skinnumber]->highresscale, skins[skinnumber]->shieldscale), 
+						 scale,
 						 (sprframe->flip & 1<<6) ? V_FLIP : 0,
 						 natksprite,
 						 R_GetTranslationColormap(TC_BLINK, color, GTC_CACHE));
@@ -12290,7 +12303,9 @@ static void M_DrawSetupMultiPlayerMenu(void)
 	if (multi_frame >= sprdef->numframes)
 		multi_frame = 0;
 
-	scale = FixedDiv(skins[setupm_fakeskin]->highresscale, skins[setupm_fakeskin]->shieldscale);
+	scale = skins[setupm_fakeskin]->highresscale;
+	if (skins[setupm_fakeskin]->shieldscale)
+		scale = FixedDiv(scale, skins[setupm_fakeskin]->shieldscale);
 
 #define chary (y+64)
 
@@ -12323,7 +12338,7 @@ static void M_DrawSetupMultiPlayerMenu(void)
 	V_DrawFixedPatch(
 		x<<FRACBITS,
 		chary<<FRACBITS,
-		FixedDiv(skins[setupm_fakeskin]->highresscale, skins[setupm_fakeskin]->shieldscale),
+		scale,
 		flags, patch, colormap);
 
 	goto colordraw;

src/netcode/d_netcmd.c

@@ -691,6 +691,7 @@ void D_RegisterClientCommands(void)
 	COM_AddCommand("timedemo", Command_Timedemo_f, 0);
 	COM_AddCommand("stopdemo", Command_Stopdemo_f, COM_LUA);
 	COM_AddCommand("playintro", Command_Playintro_f, COM_LUA);
+	CV_RegisterVar(&cv_resyncdemo);
 
 	COM_AddCommand("resetcamera", Command_ResetCamera_f, COM_LUA);
 
@@ -1308,7 +1309,7 @@ static void SendNameAndColor(void)
 
 		SetColorLocal(consoleplayer, cv_playercolor.value);
 
-		if (splitscreen)
+		if (splitscreen || (!pickedchar && stricmp(cv_skin.string, skins[consoleplayer]->name) != 0))
 			SetSkinLocal(consoleplayer, R_SkinAvailable(cv_skin.string));
 		else
 			SetSkinLocal(consoleplayer, pickedchar);
@@ -4608,7 +4609,7 @@ static void Command_ExitLevel_f(void)
 			SendNetXCmd(XD_EXITLEVEL, NULL, 0);
 			return;
 		}
-		
+
 		// Allow exiting without cheating if at least one player beat the level
 		// Consistent with just setting playersforexit to one
 		if (splitscreen || multiplayer)
@@ -4622,7 +4623,7 @@ static void Command_ExitLevel_f(void)
 					continue;
 				if (players[i].lives <= 0)
 					continue;
-		
+
 				if ((players[i].pflags & PF_FINISHED) || players[i].exiting)
 				{
 					SendNetXCmd(XD_EXITLEVEL, NULL, 0);
@@ -4630,7 +4631,7 @@ static void Command_ExitLevel_f(void)
 				}
 			}
 		}
-		
+
 		// Only consider it a cheat if we're not allowed to go to the next map
 		if (M_CampaignWarpIsCheat(gametype, G_GetNextMap(true, true) + 1, serverGamedata))
 			CONS_Alert(CONS_NOTICE, M_GetText("Cheats must be enabled to force exit to a locked level!\n"));
@@ -4769,7 +4770,7 @@ static void Command_Cheats_f(void)
 			G_SetUsedCheats(false);
 		return;
 	}
-	
+
 	if (usedCheats)
 		CONS_Printf(M_GetText("Cheats are enabled, the game cannot be saved.\n"));
 	else
@@ -4941,6 +4942,8 @@ static boolean Skin2_CanChange(const char *valstr)
   */
 static void Skin_OnChange(void)
 {
+	pickedchar = R_SkinAvailable(cv_skin.string);
+
 	if (!Playing())
 		return;
 

src/netcode/http-mserv.c

@@ -486,20 +486,23 @@ int
 HMS_unlist (void)
 {
 	struct HMS_buffer *hms;
-	int ok;
+	int ok = 0;
 
-	hms = HMS_connect(PROTO_V4, "servers/%s/unlist", hms_server_token);
+	if (hms_server_token)
+	{
+		hms = HMS_connect(PROTO_V4, "servers/%s/unlist", hms_server_token);
 
-	if (! hms)
+		if (! hms)
-		return 0;
+			return 0;
 
-	curl_easy_setopt(hms->curl, CURLOPT_POST, 1);
+		curl_easy_setopt(hms->curl, CURLOPT_POST, 1);
-	curl_easy_setopt(hms->curl, CURLOPT_POSTFIELDSIZE, 0);
+		curl_easy_setopt(hms->curl, CURLOPT_POSTFIELDSIZE, 0);
 
-	ok = HMS_do(hms);
+		ok = HMS_do(hms);
-	HMS_end(hms);
+		HMS_end(hms);
 
-	free(hms_server_token);
+		free(hms_server_token);
+	}
 
 #ifndef NO_IPV6
 	if (hms_server_token_ipv6 && hms_allow_ipv6)
@@ -526,18 +529,13 @@ int
 HMS_update (void)
 {
 	struct HMS_buffer *hms;
-	int ok;
+	int ok = 0;
 
 	char post[256];
 
 	char *title;
 
-	hms = HMS_connect(PROTO_V4, "servers/%s/update", hms_server_token);
+	title = curl_easy_escape(NULL, cv_servername.string, 0);
-
-	if (! hms)
-		return 0;
-
-	title = curl_easy_escape(hms->curl, cv_servername.string, 0);
 
 	snprintf(post, sizeof post,
 			"title=%s",
@@ -546,10 +544,18 @@ HMS_update (void)
 
 	curl_free(title);
 
-	curl_easy_setopt(hms->curl, CURLOPT_POSTFIELDS, post);
+	if (hms_server_token)
+	{
+		hms = HMS_connect(PROTO_V4, "servers/%s/update", hms_server_token);
 
-	ok = HMS_do(hms);
+		if (! hms)
-	HMS_end(hms);
+			return 0;
+
+		curl_easy_setopt(hms->curl, CURLOPT_POSTFIELDS, post);
+
+		ok = HMS_do(hms);
+		HMS_end(hms);
+	}
 
 #ifndef NO_IPV6
 	if (hms_server_token_ipv6 && hms_allow_ipv6)

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)
 {

src/p_enemy.c

@@ -4865,7 +4865,7 @@ void A_AttractChase(mobj_t *actor)
 	else
 		actor->flags2 &= ~MF2_DONTDRAW;
 
-	// Turn flingrings back into regular rings if attracted.
+	// Turn rings into flingrings if shield is lost or out of range
 	if (actor->tracer && actor->tracer->player
 		&& !(actor->tracer->player->powers[pw_shield] & SH_PROTECTELECTRIC) && actor->info->reactiontime && actor->type != (mobjtype_t)actor->info->reactiontime)
 	{
@@ -4897,8 +4897,9 @@ void A_AttractChase(mobj_t *actor)
 	// If a FlingRing gets attracted by a shield, change it into a normal ring.
 	if (actor->type == (mobjtype_t)actor->info->reactiontime)
 	{
-		P_SpawnMobj(actor->x, actor->y, actor->z, actor->info->painchance);
+		actor->type = mobjinfo[actor->type].painchance; // Become the regular version of the fling object.
-		P_RemoveMobj(actor);
+		actor->flags = mobjinfo[actor->type].flags;		// Reset actor flags.
+		P_SetMobjState(actor, actor->info->spawnstate); // Go to regular object's spawn state.
 		return;
 	}
 
@@ -14857,12 +14858,18 @@ void A_RolloutRock(mobj_t *actor)
 
 	if (!actor->tracer || P_MobjWasRemoved(actor->tracer) || !actor->tracer->health)
 		actor->flags |= MF_PUSHABLE;
+	else if (actor->tracer->eflags & MFE_VERTICALFLIP)
+	{
+		actor->flags2 |= MF2_OBJECTFLIP;
+		actor->eflags |= MFE_VERTICALFLIP;
+	}
 	else
 	{
-		actor->flags2 = (actor->flags2 & ~MF2_OBJECTFLIP) | (actor->tracer->flags2 & MF2_OBJECTFLIP);
+		actor->flags2 &= ~MF2_OBJECTFLIP;
-		actor->eflags = (actor->eflags & ~MFE_VERTICALFLIP) | (actor->tracer->eflags & MFE_VERTICALFLIP);
+		actor->eflags &= ~MFE_VERTICALFLIP;
 	}
 
+
 	actor->friction = FRACUNIT; // turns out riding on solids sucks, so let's just make it easier on ourselves
 
 	if (actor->eflags & MFE_JUSTHITFLOOR)

src/p_map.c

@@ -389,7 +389,6 @@ boolean P_DoSpring(mobj_t *spring, mobj_t *object)
 	{
 		INT32 pflags;
 		UINT8 secondjump;
-		boolean washoming;
 
 		if (spring->flags & MF_ENEMY) // Spring shells
 			P_SetTarget(&spring->target, object);
@@ -421,7 +420,7 @@ boolean P_DoSpring(mobj_t *spring, mobj_t *object)
 		{
 			boolean wasSpindashing = object->player->dashspeed > 0 && (object->player->charability2 == CA2_SPINDASH);
 
-			pflags = object->player->pflags & (PF_STARTJUMP | PF_JUMPED | PF_NOJUMPDAMAGE | PF_SPINNING | PF_THOKKED | PF_BOUNCING); // I still need these.
+			pflags = object->player->pflags & (PF_STARTJUMP | PF_JUMPED | PF_NOJUMPDAMAGE | PF_SPINNING | PF_BOUNCING); // I still need these.
 
 			if (wasSpindashing) // Ensure we're in the rolling state, and not spindash.
 				P_SetMobjState(object, S_PLAY_ROLL);
@@ -433,7 +432,6 @@ boolean P_DoSpring(mobj_t *spring, mobj_t *object)
 			}
 		}
 		secondjump = object->player->secondjump;
-		washoming = object->player->homing;
 		P_ResetPlayer(object->player);
 
 		if (spring->info->painchance == 1) // For all those ancient, SOC'd abilities.
@@ -445,8 +443,6 @@ boolean P_DoSpring(mobj_t *spring, mobj_t *object)
 		{
 			object->player->pflags |= (pflags &~ PF_STARTJUMP);
 			object->player->secondjump = secondjump;
-			if (washoming)
-				object->player->pflags &= ~PF_THOKKED;
 		}
 		else if (!vertispeed)
 		{
@@ -1027,7 +1023,6 @@ static unsigned PIT_DoCheckThing(mobj_t *thing)
 		if ((thing->flags & MF_PUSHABLE) // not carrying a player
 			&& (tmthing->player->powers[pw_carry] == CR_NONE) // player is not already riding something
 			&& !(tmthing->player->powers[pw_ignorelatch] & (1<<15))
-			&& ((tmthing->eflags & MFE_VERTICALFLIP) == (thing->eflags & MFE_VERTICALFLIP))
 			&& (P_MobjFlip(tmthing)*tmthing->momz <= 0)
 			&& ((!(tmthing->eflags & MFE_VERTICALFLIP) && abs(thing->z + thing->height - tmthing->z) < (thing->height>>2))
 				|| (tmthing->eflags & MFE_VERTICALFLIP && abs(tmthing->z + tmthing->height - thing->z) < (thing->height>>2))))
@@ -1041,6 +1036,7 @@ static unsigned PIT_DoCheckThing(mobj_t *thing)
 			P_SetTarget(&tmthing->tracer, thing);
 			if (!P_IsObjectOnGround(thing))
 				thing->momz += tmthing->momz;
+
 			return CHECKTHING_COLLIDE;
 		}
 	}

src/p_maputl.c

@@ -501,35 +501,51 @@ void P_LineOpening(line_t *linedef, mobj_t *mobj)
 			boolean wrapmidtex = linedef->flags & ML_WRAPMIDTEX || side->flags & SIDEFLAG_WRAP_MIDTEX;
 
 			if (texnum) {
+				fixed_t scaley = abs(side->scaley_mid);
+				fixed_t offsetvalue = FixedDiv(side->rowoffset + side->offsety_mid, scaley);
+				fixed_t midopentop, midopenbottom;
+
+				if (linedef->flags & ML_NOSKEW)
+				{
+					// Use the sector's actual heights if the midtexture is not skewed
+					midopentop = min(front->ceilingheight, back->ceilingheight);
+					midopenbottom = max(front->floorheight, back->floorheight);
+				}
+				else
+				{
+					midopentop = opentop;
+					midopenbottom = openbottom;
+				}
+
 				// Get the midtexture's height
-				texheight = textures[texnum]->height << FRACBITS;
+				texheight = FixedDiv(textureheight[texnum], scaley);
 
 				// Set texbottom and textop to the Z coordinates of the texture's boundaries
 #if 0
 				// don't remove this code unless solid midtextures
 				// on non-solid polyobjects should NEVER happen in the future
 				if (linedef->polyobj && (linedef->polyobj->flags & POF_TESTHEIGHT)) {
-					if (wrapmidtex && !side->repeatcnt) { // "infinite" repeat
+					if (linedef->flags & ML_WRAPMIDTEX && !side->repeatcnt) { // "infinite" repeat
-						texbottom = back->floorheight + side->rowoffset + side->offsety_mid;
+						texbottom = back->floorheight + offsetvalue;
-						textop = back->ceilingheight + side->rowoffset + side->offsety_mid;
+						textop = back->ceilingheight + offsetvalue;
 					} else if (linedef->flags & ML_MIDTEX) {
-						texbottom = back->floorheight + side->rowoffset + side->offsety_mid;
+						texbottom = back->floorheight + offsetvalue;
 						textop = texbottom + texheight*(side->repeatcnt+1);
 					} else {
-						textop = back->ceilingheight + side->rowoffset + side->offsety_mid;
+						textop = back->ceilingheight + offsetvalue;
 						texbottom = textop - texheight*(side->repeatcnt+1);
 					}
 				} else
 #endif
 				{
-					if (wrapmidtex && !side->repeatcnt) { // "infinite" repeat
+					if (linedef->flags & ML_WRAPMIDTEX && !side->repeatcnt) { // "infinite" repeat
-						texbottom = openbottom + side->rowoffset + side->offsety_mid;
+						texbottom = midopenbottom + offsetvalue;
-						textop = opentop + side->rowoffset + side->offsety_mid;
+						textop = midopentop + offsetvalue;
 					} else if (linedef->flags & ML_MIDPEG) {
-						texbottom = openbottom + side->rowoffset + side->offsety_mid;
+						texbottom = midopenbottom + offsetvalue;
 						textop = texbottom + texheight*(side->repeatcnt+1);
 					} else {
-						textop = opentop + side->rowoffset + side->offsety_mid;
+						textop = midopentop + offsetvalue;
 						texbottom = textop - texheight*(side->repeatcnt+1);
 					}
 				}
@@ -540,11 +556,21 @@ void P_LineOpening(line_t *linedef, mobj_t *mobj)
 				delta2 = abs(thingtop - texmid);
 
 				if (delta1 > delta2) { // Below
-					if (opentop > texbottom)
+					if (opentop > texbottom) {
 						opentop = texbottom;
+						if (linedef->flags & ML_NOSKEW)
+							opentopslope = NULL; // Object is not actually on a slope
+						else
+							opentopslope = linedef->midtexslope;
+					}
 				} else { // Above
-					if (openbottom < textop)
+					if (openbottom < textop) {
 						openbottom = textop;
+						if (linedef->flags & ML_NOSKEW)
+							openbottomslope = NULL; // Object is not actually on a slope
+						else
+							openbottomslope = linedef->midtexslope;
+					}
 				}
 			}
 		}

src/p_mobj.c

@@ -1385,6 +1385,7 @@ fixed_t P_GetMobjGravity(mobj_t *mo)
 				case MT_WATERDROP:
 				case MT_CYBRAKDEMON:
 					gravityadd >>= 1;
+					break;
 				default:
 					break;
 			}
@@ -6661,8 +6662,21 @@ static boolean P_ShieldLook(mobj_t *thing, shieldtype_t shield)
 	thing->flags |= MF_NOCLIPHEIGHT;
 	thing->eflags = (thing->eflags & ~MFE_VERTICALFLIP)|(thing->target->eflags & MFE_VERTICALFLIP);
 
-	P_SetScale(thing, FixedMul(thing->target->scale, thing->target->player->shieldscale), true);
+	//Set the shield's scale based on shieldscale, hide it if we're too small!
-	thing->old_scale = FixedMul(thing->target->old_scale, thing->target->player->shieldscale);
+	fixed_t scale = FixedMul(thing->target->scale, thing->target->player->shieldscale);
+	if (scale < 1) {
+		P_SetScale(thing, thing->target->scale, true);
+		thing->old_scale = thing->target->old_scale;
+		
+		thing->flags2 |= (MF2_DONTDRAW|MF2_JUSTATTACKED); //Hide and indicate we're hidden
+	} else {
+		P_SetScale(thing, scale, true);
+		thing->old_scale = FixedMul(thing->target->old_scale, thing->target->player->shieldscale);
+		
+		//Only unhide if we were hidden by the above code
+		if (thing->flags2 & MF2_JUSTATTACKED)
+			thing->flags2 &= ~(MF2_DONTDRAW|MF2_JUSTATTACKED);
+	}
 
 #define NewMH(mobj)   mobj->height // Ugly mobj-height and player-height defines, for the sake of prettier code
 #define NewPH(player) P_GetPlayerHeight(player)
@@ -10746,7 +10760,8 @@ 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);
 	}
 
@@ -14288,7 +14303,8 @@ 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;
 

src/p_setup.c

@@ -831,13 +831,15 @@ void P_ScanThings(INT16 mapnum, INT16 wadnum, INT16 lumpnum)
 
 static void P_SpawnEmeraldHunt(void)
 {
-	INT32 emer[3], num[MAXHUNTEMERALDS], i, randomkey;
+	INT32 emer[3], num[MAXHUNTEMERALDS], i, amount, randomkey;
 	fixed_t x, y, z;
 
 	for (i = 0; i < numhuntemeralds; i++)
 		num[i] = i;
 
-	for (i = 0; i < 3; i++)
+	amount = min(numhuntemeralds, 3);
+
+	for (i = 0; i < amount; i++)
 	{
 		// generate random index, shuffle afterwards
 		randomkey = P_RandomKey(numhuntemeralds--);
@@ -1113,6 +1115,8 @@ static void P_InitializeLinedef(line_t *ld)
 	ld->callcount = 0;
 	ld->secportal = UINT32_MAX;
 
+	ld->midtexslope = NULL;
+
 	// cph 2006/09/30 - fix sidedef errors right away.
 	// cph 2002/07/20 - these errors are fatal if not fixed, so apply them
 	for (j = 0; j < 2; j++)
@@ -1569,11 +1573,41 @@ static void P_LoadThings(UINT8 *data)
 }
 
 // Stores positions for relevant map data spread through a TEXTMAP.
-UINT32 mapthingsPos[UINT16_MAX];
+typedef struct textmap_block_s
-UINT32 linesPos[UINT16_MAX];
+{
-UINT32 sidesPos[UINT16_MAX];
+	UINT32 *pos;
-UINT32 vertexesPos[UINT16_MAX];
+	size_t capacity;
-UINT32 sectorsPos[UINT16_MAX];
+} 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)
@@ -1617,15 +1651,15 @@ 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);
 	}
@@ -3076,7 +3110,7 @@ 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));
@@ -3133,7 +3167,7 @@ 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)
@@ -3182,7 +3216,7 @@ 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));
@@ -3212,7 +3246,7 @@ static void P_LoadTextmap(void)
 
 		P_InitSideEdges(sd);
 
-		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));
@@ -3236,7 +3270,7 @@ 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);
 	}
 }
 

src/p_slopes.c

@@ -28,6 +28,8 @@
 pslope_t *slopelist = NULL;
 UINT16 slopecount = 0;
 
+static void P_UpdateMidtextureSlopesForSector(sector_t *sector);
+
 // Calculate line normal
 void P_CalculateSlopeNormal(pslope_t *slope)
 {
@@ -212,6 +214,9 @@ void T_DynamicSlopeLine (dynlineplanethink_t* th)
 		slope->zangle = R_PointToAngle2(0, 0, th->extent, -zdelta);
 		slope->moved = true;
 		P_CalculateSlopeNormal(slope);
+		P_UpdateMidtextureSlopesForSector(srcline->frontsector);
+		if (srcline->backsector)
+			P_UpdateMidtextureSlopesForSector(srcline->backsector);
 	}
 }
 
@@ -232,6 +237,12 @@ void T_DynamicSlopeVert (dynvertexplanethink_t* th)
 	}
 
 	ReconfigureViaVertexes(th->slope, th->vex[0], th->vex[1], th->vex[2]);
+
+	for (i = 0; i < 3; i++)
+	{
+		if (th->secs[i])
+			P_UpdateMidtextureSlopesForSector(th->secs[i]);
+	}
 }
 
 static inline void P_AddDynLineSlopeThinker (pslope_t* slope, dynplanetype_t type, line_t* sourceline, fixed_t extent)
@@ -758,6 +769,111 @@ pslope_t *P_MakeSlopeViaEquationConstants(const double a, const double b, const
 	return ret;
 }
 
+static pslope_t *P_GetReferenceSlopeForMidtexture(line_t *line)
+{
+	if (line->flags & ML_MIDPEG)
+	{
+		// Line has ML_MIDPEG, so use the floor slope
+		fixed_t frontheight = P_GetSectorFloorZAt(line->frontsector, line->v1->x, line->v1->y);
+		fixed_t backheight = P_GetSectorFloorZAt(line->backsector, line->v1->x, line->v1->y);
+
+		if (frontheight > backheight)
+		{
+			return line->frontsector->f_slope;
+		}
+		else
+		{
+			return line->backsector->f_slope;
+		}
+	}
+	else
+	{
+		// Line does not have ML_MIDPEG, so use the ceiling slope
+		fixed_t frontheight = P_GetSectorCeilingZAt(line->frontsector, line->v1->x, line->v1->y);
+		fixed_t backheight = P_GetSectorCeilingZAt(line->backsector, line->v1->x, line->v1->y);
+
+		if (frontheight < backheight)
+		{
+			return line->frontsector->c_slope;
+		}
+		else
+		{
+			return line->backsector->c_slope;
+		}
+	}
+
+	return NULL;
+}
+
+// Updates a slope for a solid midtexture based on the slope of the sector it's in.
+static void P_UpdateSolidMidtextureSlope(line_t *line, pslope_t *ref)
+{
+	pslope_t *slope = line->midtexslope;
+
+	if (ref == NULL)
+		return;
+
+	// Set origin
+	vector3_t origin;
+	origin.x = line->v1->x;
+	origin.y = line->v1->y;
+	origin.z = P_GetSlopeZAt(ref, origin.x, origin.y);
+	FV3_Copy(&slope->o, &origin);
+
+	// Get where the line ends
+	vector3_t point;
+	point.x = line->v2->x;
+	point.y = line->v2->y;
+	point.z = P_GetSlopeZAt(ref, point.x, point.y);
+
+	// Get length of the line
+	fixed_t extent = R_PointToDist2(0, 0, line->dx, line->dy);
+
+	// Precalculate variables
+	slope->zdelta = FixedDiv(origin.z - point.z, extent);
+	slope->zangle = R_PointToAngle2(0, origin.z, extent, point.z);
+	slope->xydirection = line->angle;
+
+	// Precalculate the direction
+	vector2_t dir;
+	dir.x = FixedMul(FINECOSINE(slope->zangle >> ANGLETOFINESHIFT), FINECOSINE((slope->xydirection+ANGLE_180) >> ANGLETOFINESHIFT));
+	dir.y = FixedMul(FINECOSINE(slope->zangle >> ANGLETOFINESHIFT), FINESINE((slope->xydirection+ANGLE_180) >> ANGLETOFINESHIFT));
+	FV2_Copy(&slope->d, &dir);
+
+	P_CalculateSlopeNormal(slope);
+
+	// Calling P_CalculateSlopeVectors is not necessary.
+	slope->moved = true;
+}
+
+// Goes through every line in the sector and updates the midtexture slope if it is present
+static void P_UpdateMidtextureSlopesForSector(sector_t *sector)
+{
+	for (size_t i = 0; i < sector->linecount; i++)
+	{
+		if (sector->lines[i]->midtexslope != NULL)
+			P_UpdateSolidMidtextureSlope(sector->lines[i], P_GetReferenceSlopeForMidtexture(sector->lines[i]));
+	}
+}
+
+// Creates a solid midtexture slope for the line if possible
+static void P_CreateSolidMidtextureSlope(line_t *line)
+{
+	if (line->backsector == NULL) // Ignore single-sided lines (of course)
+		return;
+
+	if ((line->flags & ML_MIDSOLID) == 0) // Ignore if the midtexture is not solid
+		return;
+
+	pslope_t *ref = P_GetReferenceSlopeForMidtexture(line);
+	if (ref)
+	{
+		line->midtexslope = Slope_Add(ref->flags & SL_NOPHYSICS);
+
+		P_UpdateSolidMidtextureSlope(line, ref);
+	}
+}
+
 /// Initializes and reads the slopes from the map data.
 void P_SpawnSlopes(const boolean fromsave) {
 	size_t i;
@@ -785,14 +901,21 @@ void P_SpawnSlopes(const boolean fromsave) {
 
 	/// Copies slopes from tagged sectors via line specials.
 	/// \note Doesn't actually copy, but instead they share the same pointers.
+	// Also, creates midtexture slopes.
 	for (i = 0; i < numlines; i++)
-		switch (lines[i].special)
+	{
+		line_t *line = &lines[i];
+
+		switch (line->special)
 		{
 			case 720:
-				P_CopySectorSlope(&lines[i]);
+				P_CopySectorSlope(line);
 			default:
 				break;
 		}
+
+		P_CreateSolidMidtextureSlope(line);
+	}
 }
 
 /// Initializes slopes.
@@ -810,10 +933,10 @@ void P_InitSlopes(void)
 // Returns the height of the sloped plane at (x, y) as a fixed_t
 fixed_t P_GetSlopeZAt(const pslope_t *slope, fixed_t x, fixed_t y)
 {
-	fixed_t dist = FixedMul(x - slope->o.x, slope->d.x) +
+	fixed_t dist = FixedMul(x - slope->o.x, slope->d.x) / 2 +
-	               FixedMul(y - slope->o.y, slope->d.y);
+	               FixedMul(y - slope->o.y, slope->d.y) / 2;
 
-	return slope->o.z + FixedMul(dist, slope->zdelta);
+	return slope->o.z + FixedMul(dist, slope->zdelta) * 2;
 }
 
 // Like P_GetSlopeZAt but falls back to z if slope is NULL

src/p_user.c

@@ -915,7 +915,7 @@ void P_NightserizePlayer(player_t *player, INT32 nighttime)
 		player->textvar = NTV_BONUSTIMEEND; // Score and grades
 		player->finishedspheres = (INT16)(player->spheres);
 		player->finishedrings = (INT16)(player->rings);
-		
+
 		// Add score to temp leaderboards
 		player->lastmaretime = leveltime - player->marebegunat;
 		G_AddTempNightsRecords(player, player->marescore, player->lastmaretime, (UINT8)(oldmare + 1));
@@ -1089,6 +1089,13 @@ void P_ResetPlayer(player_t *player)
 		if (player->mo->tracer && !P_MobjWasRemoved(player->mo->tracer))
 		{
 			player->mo->tracer->flags |= MF_PUSHABLE;
+
+			// goose the mom a little bit to trigger gravity to process for a tic
+			if (player->mo->tracer->eflags & MFE_VERTICALFLIP)
+				player->mo->tracer->momz -= 1;
+			else
+				player->mo->tracer->momz += 1;
+
 			P_SetTarget(&player->mo->tracer->tracer, NULL);
 		}
 		P_SetTarget(&player->mo->tracer, NULL);
@@ -2372,7 +2379,7 @@ boolean P_PlayerHitFloor(player_t *player, boolean dorollstuff)
 		if (dorollstuff)
 		{
 			if ((player->charability2 == CA2_SPINDASH) && !((player->pflags & (PF_SPINNING|PF_THOKKED)) == PF_THOKKED) && !(player->charability == CA_THOK && player->secondjump)
-			&& (player->cmd.buttons & BT_SPIN) && (FixedHypot(player->mo->momx, player->mo->momy) > (5*player->mo->scale)))
+			&& (player->cmd.buttons & BT_SPIN) && (FixedHypot(player->mo->momx, player->mo->momy) >= (5*player->mo->scale)))
 				player->pflags = (player->pflags|PF_SPINNING) & ~PF_THOKKED;
 			else if (!(player->pflags & PF_STARTDASH))
 				player->pflags &= ~PF_SPINNING;
@@ -4546,6 +4553,13 @@ void P_DoJump(player_t *player, boolean soundandstate, boolean allowflip)
 					player->mo->momz += player->mo->tracer->momz;
 				if (!P_IsObjectOnGround(player->mo->tracer))
 					P_SetObjectMomZ(player->mo->tracer, -9*FRACUNIT, true);
+
+				// goose the mom a little bit to trigger gravity to process for a tic
+				if (player->mo->tracer->eflags & MFE_VERTICALFLIP)
+					player->mo->tracer->momz -= 1;
+				else
+					player->mo->tracer->momz += 1;
+
 				player->mo->tracer->flags |= MF_PUSHABLE;
 				P_SetTarget(&player->mo->tracer->tracer, NULL);
 			}
@@ -4721,7 +4735,7 @@ static void P_DoSpinAbility(player_t *player, ticcmd_t *cmd)
 				 // Revving
 				else if ((cmd->buttons & BT_SPIN) && (player->pflags & PF_STARTDASH))
 				{
-					if (player->speed > 5*player->mo->scale)
+					if (player->speed >= 5*player->mo->scale)
 					{
 						player->pflags &= ~PF_STARTDASH;
 						P_SetMobjState(player->mo, S_PLAY_ROLL);
@@ -4761,9 +4775,8 @@ static void P_DoSpinAbility(player_t *player, ticcmd_t *cmd)
 					if (!player->spectator)
 						S_StartSound(player->mo, sfx_spin);
 				}
-				else
 				// Catapult the player from a spindash rev!
-				if (onground && !(player->pflags & PF_SPINDOWN) && (player->pflags & PF_STARTDASH) && (player->pflags & PF_SPINNING))
+				else if (onground && !(player->pflags & PF_SPINDOWN) && (player->pflags & PF_STARTDASH) && (player->pflags & PF_SPINNING))
 				{
 					player->pflags &= ~PF_STARTDASH;
 					if (player->powers[pw_carry] == CR_BRAKGOOP)
@@ -8766,7 +8779,7 @@ void P_MovePlayer(player_t *player)
 	if (!(player->mo->momz || player->mo->momx || player->mo->momy) && !(player->mo->eflags & MFE_GOOWATER)
 	&& player->panim == PA_IDLE && !(player->powers[pw_carry]))
 		P_DoTeeter(player);
-	
+
 	// Toss a flag
 	if (G_GametypeHasTeams() && (cmd->buttons & BT_TOSSFLAG) && !(player->powers[pw_super]) && !(player->tossdelay))
 	{
@@ -12129,6 +12142,10 @@ void P_PlayerThink(player_t *player)
 				case CR_DUSTDEVIL:
 					player->drawangle += ANG20;
 					break;
+				case CR_FAN:
+					if (player->pflags & PF_ANALOGMODE) // Don't impact drawangle in any special way when on a fan
+						player->drawangle = player->mo->angle;
+					break;
 				/* -- in case we wanted to have the camera freely movable during zoom tubes
 				case CR_ZOOMTUBE:*/
 				case CR_ROPEHANG:

src/r_defs.h

@@ -626,6 +626,8 @@ typedef struct line_s
 	INT16 callcount; // no. of calls left before triggering, for the "X calls" linedef specials, defaults to 0
 
 	UINT32 secportal; // transferred sector portal
+
+	struct pslope_s *midtexslope;
 } line_t;
 
 // Don't make available to Lua or I will find where you live

src/r_draw.c

@@ -74,7 +74,7 @@ UINT8 *dc_transmap; // one of the translucency tables
 UINT8 *dc_translation;
 
 struct r_lightlist_s *dc_lightlist = NULL;
-INT32 dc_numlights = 0, dc_maxlights, dc_texheight;
+INT32 dc_numlights = 0, dc_maxlights, dc_texheight, dc_postlength;
 
 // =========================================================================
 //                      SPAN DRAWING CODE STUFF

src/r_draw.h

@@ -41,8 +41,7 @@ extern UINT8 *dc_translation;
 extern struct r_lightlist_s *dc_lightlist;
 extern INT32 dc_numlights, dc_maxlights;
 
-//Fix TUTIFRUTI
+extern INT32 dc_texheight, dc_postlength;
-extern INT32 dc_texheight;
 
 // -----------------------
 // SPAN DRAWING CODE STUFF
@@ -154,8 +153,10 @@ void R_VideoErase(size_t ofs, INT32 count);
 // -----------------
 
 void R_DrawColumn_8(void);
+void R_DrawColumnClamped_8(void);
 void R_DrawShadeColumn_8(void);
 void R_DrawTranslucentColumn_8(void);
+void R_DrawTranslucentColumnClamped_8(void);
 void R_DrawDropShadowColumn_8(void);
 void R_DrawTranslatedColumn_8(void);
 void R_DrawTranslatedTranslucentColumn_8(void);

src/r_draw8.c

@@ -100,6 +100,98 @@ void R_DrawColumn_8(void)
 	}
 }
 
+/**	\brief The R_DrawColumnClamped_8 function
+	Same as R_DrawColumn_8, but prevents artifacts from showing up (caused by fixed-point imprecisions)
+*/
+void R_DrawColumnClamped_8(void)
+{
+	INT32 count;
+	UINT8 *dest;
+	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.
+	{
+		const UINT8 *source = dc_source;
+		const lighttable_t *colormap = dc_colormap;
+		INT32 heightmask = dc_texheight-1;
+		INT32 idx;
+		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
+				idx = frac>>FRACBITS;
+				if (idx >= 0 && idx < dc_postlength)
+					*dest = colormap[source[idx]];
+				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
+			{
+				idx = (frac>>FRACBITS) & heightmask;
+				if (idx >= 0 && idx < dc_postlength)
+					*dest = colormap[source[idx]];
+				dest += vid.width;
+				frac += fracstep;
+				idx = (frac>>FRACBITS) & heightmask;
+				if (idx >= 0 && idx < dc_postlength)
+					*dest = colormap[source[idx]];
+				dest += vid.width;
+				frac += fracstep;
+			}
+			if (count & 1)
+			{
+				idx = (frac>>FRACBITS) & heightmask;
+				if (idx >= 0 && idx < dc_postlength)
+					*dest = colormap[source[idx]];
+			}
+		}
+	}
+}
+
 /**	\brief The R_DrawShadeColumn_8 function
 	Experiment to make software go faster. Taken from the Boom source
 */
@@ -212,6 +304,90 @@ void R_DrawTranslucentColumn_8(void)
 	}
 }
 
+/**	\brief The R_DrawTranslucentColumnClamped_8 function
+	Same as R_DrawTranslucentColumn_8, but prevents artifacts from showing up (caused by fixed-point imprecisions)
+*/
+void R_DrawTranslucentColumnClamped_8(void)
+{
+	INT32 count;
+	UINT8 *dest;
+	fixed_t frac, fracstep;
+
+	count = dc_yh - dc_yl + 1;
+
+	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)
+		I_Error("R_DrawTranslucentColumnClamped_8: %d to %d at %d", dc_yl, dc_yh, dc_x);
+#endif
+
+	dest = &topleft[dc_yl*vid.width + dc_x];
+
+	// Looks familiar.
+	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.
+	{
+		const UINT8 *source = dc_source;
+		const UINT8 *transmap = dc_transmap;
+		const lighttable_t *colormap = dc_colormap;
+		INT32 heightmask = dc_texheight - 1;
+		INT32 idx;
+		if (dc_texheight & heightmask)
+		{
+			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
+				idx = frac>>FRACBITS;
+				if (idx >= 0 && idx < dc_postlength)
+					*dest = *(transmap + (colormap[source[idx]]<<8) + (*dest));
+				dest += vid.width;
+				if ((frac += fracstep) >= heightmask)
+					frac -= heightmask;
+			}
+			while (--count);
+		}
+		else
+		{
+			while ((count -= 2) >= 0) // texture height is a power of 2
+			{
+				idx = (frac>>FRACBITS)&heightmask;
+				if (idx >= 0 && idx < dc_postlength)
+					*dest = *(transmap + (colormap[source[idx]]<<8) + (*dest));
+				dest += vid.width;
+				frac += fracstep;
+				idx = (frac>>FRACBITS)&heightmask;
+				if (idx >= 0 && idx < dc_postlength)
+					*dest = *(transmap + (colormap[source[idx]]<<8) + (*dest));
+				dest += vid.width;
+				frac += fracstep;
+			}
+			if (count & 1)
+			{
+				idx = (frac>>FRACBITS)&heightmask;
+				if (idx >= 0 && idx < dc_postlength)
+					*dest = *(transmap + (colormap[source[idx]]<<8) + (*dest));
+			}
+		}
+	}
+}
+
 // Hack: A cut-down copy of R_DrawTranslucentColumn_8 that does not read texture
 // data since something about calculating the texture reading address for drop shadows is broken.
 // dc_texturemid and dc_iscale get wrong values for drop shadows, however those are not strictly

src/r_main.c

@@ -390,22 +390,22 @@ fixed_t R_PointToDist(fixed_t x, fixed_t y)
 	return R_PointToDist2(viewx, viewy, x, y);
 }
 
-line_t *R_GetFFloorLine(const seg_t *seg, const ffloor_t *pfloor)
+line_t *R_GetFFloorLine(const line_t *line, const ffloor_t *pfloor, const sector_t *sector)
 {
 	if (pfloor->master->flags & ML_TFERLINE)
 	{
-		size_t linenum = seg->linedef - pfloor->target->lines[0];
+		size_t linenum = min((size_t)(line - sector->lines[0]), pfloor->master->frontsector->linecount);
 		return pfloor->master->frontsector->lines[0] + linenum;
 	}
 	else
 		return pfloor->master;
 }
 
-side_t *R_GetFFloorSide(const seg_t *seg, const ffloor_t *pfloor)
+side_t *R_GetFFloorSide(const line_t *line, const ffloor_t *pfloor, const sector_t *sector)
 {
 	if (pfloor->master->flags & ML_TFERLINE)
 	{
-		line_t *newline = R_GetFFloorLine(seg, pfloor);
+		line_t *newline = R_GetFFloorLine(line, pfloor, sector);
 		return &sides[newline->sidenum[0]];
 	}
 	else

src/r_main.h

@@ -86,8 +86,8 @@ subsector_t *R_PointInSubsectorOrNull(fixed_t x, fixed_t y);
 
 boolean R_DoCulling(line_t *cullheight, line_t *viewcullheight, fixed_t vz, fixed_t bottomh, fixed_t toph);
 
-line_t *R_GetFFloorLine(const seg_t *seg, const ffloor_t *pfloor);
+line_t *R_GetFFloorLine(const line_t *line, const ffloor_t *pfloor, const sector_t *sector);
-side_t *R_GetFFloorSide(const seg_t *seg, const ffloor_t *pfloor);
+side_t *R_GetFFloorSide(const line_t *line, const ffloor_t *pfloor, const sector_t *sector);
 
 // Render stats
 

src/r_segs.c

@@ -888,26 +888,75 @@ static void R_RenderExtraTexture(unsigned which, INT32 x1, INT32 x2, INT32 repea
 }
 
 // Loop through R_DrawMaskedColumn calls
+static fixed_t repeatscroll = 0;
+
 static void R_DrawRepeatMaskedColumn(column_t *col, unsigned lengthcol)
 {
-	while (sprtopscreen < sprbotscreen) {
+	fixed_t topscreen = sprtopscreen;
-		R_DrawMaskedColumn(col, lengthcol);
+	fixed_t bottomscreen = sprbotscreen;
-		if ((INT64)sprtopscreen + (INT64)dc_texheight*spryscale > (INT64)INT32_MAX) // prevent overflow
+
-			sprtopscreen = INT32_MAX;
+	fixed_t texheight = dc_texheight*spryscale;
-		else
+
-			sprtopscreen += dc_texheight*spryscale;
+	fixed_t scroll = -repeatscroll;
+	if (scroll < 0)
+	{
+		scroll = -FixedMul((abs(scroll) % (dc_texheight*FRACUNIT)), spryscale);
+		bottomscreen += texheight; // Draw an extra time
 	}
+	else if (scroll)
+	{
+		scroll = FixedMul(scroll % (dc_texheight*FRACUNIT), spryscale);
+		topscreen -= texheight; // Draw an extra time
+	}
+
+	while (topscreen < bottomscreen)
+	{
+		sprtopscreen = topscreen + scroll;
+
+		R_DrawMaskedColumn(col, lengthcol);
+
+		if ((INT64)sprtopscreen + (INT64)dc_texheight*spryscale > (INT64)INT32_MAX) // prevent overflow
+			break;
+
+		topscreen += texheight;
+	}
+
+	sprtopscreen = sprbotscreen;
 }
 
 static void R_DrawRepeatFlippedMaskedColumn(column_t *col, unsigned lengthcol)
 {
-	while (sprtopscreen < sprbotscreen) {
+	fixed_t topscreen = sprtopscreen;
-		R_DrawFlippedMaskedColumn(col, lengthcol);
+	fixed_t bottomscreen = sprbotscreen;
-		if ((INT64)sprtopscreen + (INT64)dc_texheight*spryscale > (INT64)INT32_MAX) // prevent overflow
+
-			sprtopscreen = INT32_MAX;
+	fixed_t texheight = dc_texheight*spryscale;
-		else
+
-			sprtopscreen += dc_texheight*spryscale;
+	fixed_t scroll = -repeatscroll;
+	if (scroll < 0)
+	{
+		scroll = -FixedMul((abs(scroll) % (dc_texheight*FRACUNIT)), spryscale);
+		bottomscreen += texheight; // Draw an extra time
 	}
+	else if (scroll)
+	{
+		scroll = FixedMul(scroll % (dc_texheight*FRACUNIT), spryscale);
+		topscreen -= texheight; // Draw an extra time
+	}
+
+	while (topscreen < bottomscreen)
+	{
+		sprtopscreen = topscreen + scroll;
+		sprbotscreen = bottomscreen + scroll;
+
+		R_DrawFlippedMaskedColumn(col, lengthcol);
+
+		if ((INT64)sprtopscreen + (INT64)dc_texheight*spryscale > (INT64)INT32_MAX) // prevent overflow
+			break;
+
+		topscreen += texheight;
+	}
+
+	sprtopscreen = sprbotscreen;
 }
 
 // Returns true if a fake floor is translucent.
@@ -943,7 +992,6 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 	sector_t        tempsec;
 	INT32             templight;
 	INT32             i, p;
-	fixed_t         offsetvalue;
 	lightlist_t     *light;
 	r_lightlist_t   *rlight;
 	INT32           range;
@@ -963,6 +1011,8 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 	INT32 blendlevel = 0;
 	UINT8 vertflip;
 	unsigned lengthcol;
+	boolean fog = false;
+	boolean fuzzy = false;
 
 	void (*colfunc_2s) (column_t *, unsigned);
 
@@ -974,13 +1024,11 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 	curline = ds->curline;
 	backsector = NULL;
 	frontsector = curline->frontsector == pfloor->target ? curline->backsector : curline->frontsector;
-	sidedef = R_GetFFloorSide(curline, pfloor);
+	sidedef = R_GetFFloorSide(curline->linedef, pfloor, pfloor->target);
-
-	colfunc = colfuncs[BASEDRAWFUNC];
 
 	if (pfloor->master->flags & ML_TFERLINE)
 	{
-		line_t *newline = R_GetFFloorLine(curline, pfloor);
+		line_t *newline = R_GetFFloorLine(curline->linedef, pfloor, pfloor->target);
 		do_texture_skew = newline->flags & ML_SKEWTD;
 		dont_peg_bottom = newline->flags & ML_DONTPEGBOTTOM;
 	}
@@ -997,6 +1045,8 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 
 	if (pfloor->fofflags & FOF_TRANSLUCENT)
 	{
+		fuzzy = true;
+
 		// Hacked up support for alpha value in software mode Tails 09-24-2002
 		// ...unhacked by toaster 04-01-2021, re-hacked a little by sphere 19-11-2021
 		blendlevel = (10*((256+12) - pfloor->alpha))/255;
@@ -1015,17 +1065,14 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 			else if (blendlevel > 0)
 				dc_transmap = R_GetTranslucencyTable(blendlevel);
 		}
-
-		if (dc_transmap)
-			colfunc = colfuncs[COLDRAWFUNC_FUZZY];
 	}
 	else if (pfloor->fofflags & FOF_FOG)
+	{
 		colfunc = colfuncs[COLDRAWFUNC_FOG];
+		fog = true;
+	}
 
 	range = max(ds->x2-ds->x1, 1);
-	//SoM: Moved these up here so they are available for my lightlist calculations
-	rw_scalestep = ds->scalestep;
-	spryscale = ds->scale1 + (x1 - ds->x1)*rw_scalestep;
 
 	dc_numlights = 0;
 	if (frontsector->numlights)
@@ -1128,9 +1175,9 @@ 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);
-		else if (pfloor->fofflags & FOF_FOG)
+		else if (fog)
 			lightnum = (pfloor->master->frontsector->lightlevel >> LIGHTSEGSHIFT);
-		else if (colfunc == colfuncs[COLDRAWFUNC_FUZZY])
+		else if (fuzzy)
 			lightnum = LIGHTLEVELS-1;
 		else
 			lightnum = R_FakeFlat(frontsector, &tempsec, &templight, &templight, false)
@@ -1158,6 +1205,14 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 		vertflip = !vertflip;
 	}
 
+	//SoM: Moved these up here so they are available for my lightlist calculations
+	// Lactozilla: Moved them back down
+	// This uses floating point math now, because the fixed-point imprecisions
+	// become more severe the bigger the texture is scaled.
+	double dwall_scaley = FixedToDouble(wall_scaley);
+	double scalestep = FixedToDouble(ds->scalestep) / dwall_scaley;
+	double yscale = (FixedToDouble(ds->scale1) + (x1 - ds->x1)*scalestep) / dwall_scaley;
+
 	thicksidecol = ffloortexturecolumn;
 
 	wall_offsetx = ds->offsetx + sidedef->offsetx_mid;
@@ -1189,7 +1244,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 	else
 		dc_texturemid = FixedMul(*pfloor->topheight - viewz, wall_scaley);
 
-	offsetvalue = sidedef->rowoffset + sidedef->offsety_mid;
+	repeatscroll = sidedef->rowoffset + sidedef->offsety_mid;
 
 	if (dont_peg_bottom)
 	{
@@ -1199,7 +1254,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 			dc_texturemid = FixedMul(left_bottom, wall_scaley);
 		}
 		else
-			offsetvalue -= FixedMul(*pfloor->topheight - *pfloor->bottomheight, wall_scaley);
+			repeatscroll -= FixedMul(*pfloor->topheight - *pfloor->bottomheight, wall_scaley);
 	}
 
 	lineangle = R_PointToAngle2(curline->v1->x, curline->v1->y, curline->v2->x, curline->v2->y);
@@ -1207,7 +1262,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 	if (skewslope)
 		ffloortextureslide = FixedMul(R_GetSlopeTextureSlide(skewslope, lineangle), wall_scaley);
 
-	dc_texturemid += offsetvalue;
+	dc_texturemid += repeatscroll;
 
 	// Texture must be cached
 	R_CheckTextureCache(texnum);
@@ -1296,15 +1351,41 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 						rlight->botheight += rlight->botheightstep;
 				}
 			}
-			spryscale += rw_scalestep;
+			yscale += scalestep;
 			continue;
 		}
 
-		dc_iscale = FixedMul(0xffffffffu / (unsigned)spryscale, wall_scaley);
-
 		// Get data for the column
 		col = R_GetColumn(texnum, ((thicksidecol[dc_x] + wall_offsetx) >> FRACBITS));
 
+		spryscale = DoubleToFixed(yscale);
+
+		// Eh. I tried fixing the scaling artifacts but it still wasn't perfect.
+		// So this checks if the column has gaps in it or not, and if it does, uses a version of the column drawers
+		// that prevents the artifacts from being visible.
+		// Note that if rendering fog then none of this matters because there's no texture mapping to be done
+		if (!fog)
+		{
+			dc_iscale = 0xffffffffu / (unsigned)spryscale;
+
+			// Column has a single post and it matches the texture height, use regular column drawers
+			if (col->num_posts == 1 && col->posts[0].topdelta == 0 && col->posts[0].length == (unsigned)dc_texheight)
+			{
+				if (fuzzy)
+					colfunc = colfuncs[COLDRAWFUNC_FUZZY];
+				else
+					colfunc = colfuncs[BASEDRAWFUNC];
+			}
+			else
+			{
+				// Otherwise use column drawers with extra checks
+				if (fuzzy)
+					colfunc = R_DrawTranslucentColumnClamped_8;
+				else
+					colfunc = R_DrawColumnClamped_8;
+			}
+		}
+
 		// SoM: New code does not rely on R_DrawColumnShadowed_8 which
 		// will (hopefully) put less strain on the stack.
 		if (dc_numlights)
@@ -1419,7 +1500,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 			if (windowtop < windowbottom)
 				colfunc_2s (col, lengthcol);
 
-			spryscale += rw_scalestep;
+			yscale += scalestep;
 			continue;
 		}
 
@@ -1438,7 +1519,7 @@ void R_RenderThickSideRange(drawseg_t *ds, INT32 x1, INT32 x2, ffloor_t *pfloor)
 
 		// draw the texture
 		colfunc_2s (col, lengthcol);
-		spryscale += rw_scalestep;
+		yscale += scalestep;
 	}
 	colfunc = colfuncs[BASEDRAWFUNC];
 

src/r_things.c

@@ -839,8 +839,10 @@ void R_DrawMaskedColumn(column_t *column, unsigned lengthcol)
 	{
 		post_t *post = &column->posts[i];
 
+		dc_postlength = post->length;
+
 		INT32 topscreen = sprtopscreen + spryscale*post->topdelta;
-		INT32 bottomscreen = topscreen + spryscale*post->length;
+		INT32 bottomscreen = topscreen + spryscale*dc_postlength;
 
 		dc_yl = (topscreen+FRACUNIT-1)>>FRACBITS;
 		dc_yh = (bottomscreen-1)>>FRACBITS;
@@ -909,10 +911,12 @@ void R_DrawFlippedMaskedColumn(column_t *column, unsigned lengthcol)
 		if (!post->length)
 			continue;
 
-		topdelta = lengthcol-post->length-post->topdelta;
+		dc_postlength = post->length;
+
+		topdelta = lengthcol-dc_postlength-post->topdelta;
 		topscreen = sprtopscreen + spryscale*topdelta;
-		bottomscreen = sprbotscreen == INT32_MAX ? topscreen + spryscale*post->length
+		bottomscreen = sprbotscreen == INT32_MAX ? topscreen + spryscale*dc_postlength
-		                                      : sprbotscreen + spryscale*post->length;
+		                                      : sprbotscreen + spryscale*dc_postlength;
 
 		dc_yl = (topscreen+FRACUNIT-1)>>FRACBITS;
 		dc_yh = (bottomscreen-1)>>FRACBITS;
@@ -1774,6 +1778,10 @@ static void R_ProjectSprite(mobj_t *thing)
 	}
 
 	this_scale = interp.scale;
+
+	if (this_scale < 1)
+		return;
+
 	radius = interp.radius; // For drop shadows
 	height = interp.height; // Ditto
 

src/sdl/i_system.c

@@ -271,75 +271,86 @@ SDL_bool framebuffer = SDL_FALSE;
 UINT8 keyboard_started = false;
 
 #ifdef UNIXBACKTRACE
-#define STDERR_WRITE(string) if (fd != -1) I_OutputMsg("%s", string)
+
-#define CRASHLOG_WRITE(string) if (fd != -1) junk = write(fd, string, strlen(string))
+static void bt_write_file(int fd, const char *string) {
-#define CRASHLOG_STDERR_WRITE(string) \
+	ssize_t written = 0;
-	if (fd != -1)\
+	ssize_t sourcelen = strlen(string);
-		junk = write(fd, string, strlen(string));\
+
-	I_OutputMsg("%s", string)
+	while (fd != -1 && (written != -1 && errno != EINTR) && written < sourcelen)
+		written = write(fd, string, sourcelen);
+}
+
+static void bt_write_stderr(const char *string) {
+	bt_write_file(STDERR_FILENO, string);
+}
+
+static void bt_write_all(int fd, const char *string) {
+	bt_write_file(fd, string);
+	bt_write_file(STDERR_FILENO, string);
+}
 
 static void write_backtrace(INT32 signal)
 {
 	int fd = -1;
-#ifndef NOEXECINFO
-	size_t size;
-#endif
 	time_t rawtime;
 	struct tm timeinfo;
-	ssize_t junk;
 
 	enum { BT_SIZE = 1024, STR_SIZE = 32 };
 #ifndef NOEXECINFO
-	void *array[BT_SIZE];
+	void *funcptrs[BT_SIZE];
+	size_t bt_size;
 #endif
 	char timestr[STR_SIZE];
 
-	const char *error = "An error occurred within SRB2! Send this stack trace to someone who can help!\n";
+	const char *filename = va("%s" PATHSEP "%s", srb2home, "crash-log.txt");
-	const char *error2 = "(Or find crash-log.txt in your SRB2 directory.)\n"; // Shown only to stderr.
 
-	fd = open(va("%s" PATHSEP "%s", srb2home, "crash-log.txt"), O_CREAT|O_APPEND|O_RDWR, S_IRUSR|S_IWUSR);
+	fd = open(filename, O_CREAT|O_APPEND|O_RDWR, S_IRUSR|S_IWUSR);
 
-	if (fd == -1)
+	if (fd == -1) // File handle error
-		I_OutputMsg("\nWARNING: Couldn't open crash log for writing! Make sure your permissions are correct. Please save the below report!\n");
+		bt_write_stderr("\nWARNING: Couldn't open crash log for writing! Make sure your permissions are correct. Please save the below report!\n");
 
 	// Get the current time as a string.
 	time(&rawtime);
 	localtime_r(&rawtime, &timeinfo);
 	strftime(timestr, STR_SIZE, "%a, %d %b %Y %T %z", &timeinfo);
 
-	CRASHLOG_WRITE("------------------------\n"); // Nice looking seperator
+	bt_write_file(fd, "------------------------\n"); // Nice looking seperator
 
-	CRASHLOG_STDERR_WRITE("\n"); // Newline to look nice for both outputs.
+	bt_write_all(fd, "\n"); // Newline to look nice for both outputs.
-	CRASHLOG_STDERR_WRITE(error); // "Oops, SRB2 crashed" message
+	bt_write_all(fd, "An error occurred within SRB2! Send this stack trace to someone who can help!\n");
-	STDERR_WRITE(error2); // Tell the user where the crash log is.
+
+	if (fd != -1) // If the crash log exists,
+		bt_write_stderr("(Or find crash-log.txt in your SRB2 directory.)\n"); // tell the user where the crash log is.
 
 	// Tell the log when we crashed.
-	CRASHLOG_WRITE("Time of crash: ");
+	bt_write_file(fd, "Time of crash: ");
-	CRASHLOG_WRITE(timestr);
+	bt_write_file(fd, timestr);
-	CRASHLOG_WRITE("\n");
+	bt_write_file(fd, "\n");
 
 	// Give the crash log the cause and a nice 'Backtrace:' thing
 	// The signal is given to the user when the parent process sees we crashed.
-	CRASHLOG_WRITE("Cause: ");
+	bt_write_file(fd, "Cause: ");
-	CRASHLOG_WRITE(strsignal(signal));
+	bt_write_file(fd, strsignal(signal));
-	CRASHLOG_WRITE("\n"); // Newline for the signal name
+	bt_write_file(fd, "\n"); // Newline for the signal name
 
-#ifndef NOEXECINFO
+#ifdef NOEXECINFO
-	CRASHLOG_STDERR_WRITE("\nBacktrace:\n");
+	bt_write_all(fd, "\nNo Backtrace support\n");
+#else
+	bt_write_all(fd, "\nBacktrace:\n");
 
 	// Flood the output and log with the backtrace
-	size = backtrace(array, BT_SIZE);
+	bt_size = backtrace(funcptrs, BT_SIZE);
-	backtrace_symbols_fd(array, size, fd);
+	backtrace_symbols_fd(funcptrs, bt_size, fd);
-	backtrace_symbols_fd(array, size, STDERR_FILENO);
+	backtrace_symbols_fd(funcptrs, bt_size, STDERR_FILENO);
 #endif
 
-	CRASHLOG_WRITE("\n"); // Write another newline to the log so it looks nice :)
+	bt_write_file(fd, "\n"); // Write another newline to the log so it looks nice :)
-	(void)junk;
+	if (fd != -1) {
-	close(fd);
+		fsync(fd); // reaaaaally make sure we got that data written.
+		close(fd);
+	}
 }
-#undef STDERR_WRITE
+
-#undef CRASHLOG_WRITE
-#undef CRASHLOG_STDERR_WRITE
 #endif // UNIXBACKTRACE
 
 static void I_ReportSignal(int num, int coredumped)
@@ -2976,7 +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);
@@ -3039,9 +3050,15 @@ static const char *locateWad(void)
 
 #ifndef NOHOME
 	// find in $HOME
-	I_OutputMsg(",HOME");
+	I_OutputMsg(",HOME/" DEFAULTDIR);
 	if ((envstr = I_GetEnv("HOME")) != NULL)
+	{
+		char *tmp = malloc(strlen(envstr) + sizeof(DEFAULTDIR));
+		strcpy(tmp, envstr);
+		strcat(tmp, DEFAULTDIR);
 		SEARCHWAD(envstr);
+		free(tmp);
+	}
 #endif
 
 	// search paths

src/sdl/i_video.c

@@ -382,6 +382,8 @@ static INT32 Impl_SDL_Scancode_To_Keycode(SDL_Scancode code)
 
 static boolean ShouldIgnoreMouse(void)
 {
+	if (cv_alwaysgrabmouse.value)
+		return false;
 	if (menuactive)
 		return !M_MouseNeeded();
 	if (paused || con_destlines || chat_on)

src/st_stuff.c

@@ -1269,19 +1269,19 @@ tic_t lt_exitticker = 0, lt_endtime = 0;
 //
 static void ST_cacheLevelTitle(void)
 {
-#define SETPATCH(default, warning, custom, idx) \
+#define SETPATCH(def, warning, custom, idx) \
 { \
 	lumpnum_t patlumpnum = LUMPERROR; \
 	if (mapheaderinfo[gamemap-1]->custom[0] != '\0') \
 	{ \
-		patlumpnum = W_CheckNumForName(mapheaderinfo[gamemap-1]->custom); \
+		patlumpnum = W_CheckNumForPatchName(mapheaderinfo[gamemap-1]->custom); \
 		if (patlumpnum != LUMPERROR) \
 			lt_patches[idx] = (patch_t *)W_CachePatchNum(patlumpnum, PU_HUDGFX); \
 	} \
 	if (patlumpnum == LUMPERROR) \
 	{ \
 		if (!(mapheaderinfo[gamemap-1]->levelflags & LF_WARNINGTITLE)) \
-			lt_patches[idx] = (patch_t *)W_CachePatchName(default, PU_HUDGFX); \
+			lt_patches[idx] = (patch_t *)W_CachePatchName(def, PU_HUDGFX); \
 		else \
 			lt_patches[idx] = (patch_t *)W_CachePatchName(warning, PU_HUDGFX); \
 	} \

src/w_wad.c

@@ -98,6 +98,7 @@ typedef struct lumpnum_cache_s
 {
 	char lumpname[32];
 	lumpnum_t lumpnum;
+	UINT32 hash;
 } lumpnum_cache_t;
 
 static lumpnum_cache_t lumpnumcache[LUMPNUMCACHESIZE];
@@ -1475,6 +1476,63 @@ UINT16 W_CheckNumForFullNamePK3(const char *name, UINT16 wad, UINT16 startlump)
 	return INT16_MAX;
 }
 
+static lumpnum_t CheckLumpInCache(const char *name, boolean longname)
+{
+	if (longname)
+	{
+		UINT32 hash = quickncasehash(name, 32);
+
+		// Loop backwards so that we check most recent entries first
+		for (INT32 i = lumpnumcacheindex + LUMPNUMCACHESIZE; i > lumpnumcacheindex; i--)
+		{
+			if (lumpnumcache[i & (LUMPNUMCACHESIZE - 1)].hash == hash
+				&& stricmp(lumpnumcache[i & (LUMPNUMCACHESIZE - 1)].lumpname, name) == 0)
+			{
+				lumpnumcacheindex = i & (LUMPNUMCACHESIZE - 1);
+				return lumpnumcache[lumpnumcacheindex].lumpnum;
+			}
+		}
+	}
+	else
+	{
+		UINT32 hash = quickncasehash(name, 8);
+
+		// Loop backwards so that we check most recent entries first
+		for (INT32 i = lumpnumcacheindex + LUMPNUMCACHESIZE; i > lumpnumcacheindex; i--)
+		{
+			if (lumpnumcache[i & (LUMPNUMCACHESIZE - 1)].hash == hash
+				&& lumpnumcache[i & (LUMPNUMCACHESIZE - 1)].lumpname[8] == '\0'
+				&& strnicmp(lumpnumcache[i & (LUMPNUMCACHESIZE - 1)].lumpname, name, 8) == 0)
+			{
+				lumpnumcacheindex = i & (LUMPNUMCACHESIZE - 1);
+				return lumpnumcache[lumpnumcacheindex].lumpnum;
+			}
+		}
+	}
+
+	return LUMPERROR;
+}
+
+static void AddLumpToCache(lumpnum_t lumpnum, const char *name, boolean longname)
+{
+	if (longname && strlen(name) >= 32)
+		return;
+
+	lumpnumcacheindex = (lumpnumcacheindex + 1) & (LUMPNUMCACHESIZE - 1);
+	memset(lumpnumcache[lumpnumcacheindex].lumpname, '\0', 32);
+	if (longname)
+	{
+		strlcpy(lumpnumcache[lumpnumcacheindex].lumpname, name, 32);
+		lumpnumcache[lumpnumcacheindex].hash = quickncasehash(name, 32);
+	}
+	else
+	{
+		strncpy(lumpnumcache[lumpnumcacheindex].lumpname, name, 8);
+		lumpnumcache[lumpnumcacheindex].hash = quickncasehash(name, 8);
+	}
+	lumpnumcache[lumpnumcacheindex].lumpnum = lumpnum;
+}
+
 //
 // W_CheckNumForName
 // Returns LUMPERROR if name not found.
@@ -1487,17 +1545,10 @@ lumpnum_t W_CheckNumForName(const char *name)
 	if (!*name) // some doofus gave us an empty string?
 		return LUMPERROR;
 
-	// Check the lumpnumcache first. Loop backwards so that we check
+	// Check the lumpnumcache first.
-	// most recent entries first
+	lumpnum_t cachenum = CheckLumpInCache(name, false);
-	for (i = lumpnumcacheindex + LUMPNUMCACHESIZE; i > lumpnumcacheindex; i--)
+	if (cachenum != LUMPERROR)
-	{
+		return cachenum;
-		if (!lumpnumcache[i & (LUMPNUMCACHESIZE - 1)].lumpname[8]
-			&& strncmp(lumpnumcache[i & (LUMPNUMCACHESIZE - 1)].lumpname, name, 8) == 0)
-		{
-			lumpnumcacheindex = i & (LUMPNUMCACHESIZE - 1);
-			return lumpnumcache[lumpnumcacheindex].lumpnum;
-		}
-	}
 
 	// scan wad files backwards so patch lump files take precedence
 	for (i = numwadfiles - 1; i >= 0; i--)
@@ -1511,12 +1562,11 @@ lumpnum_t W_CheckNumForName(const char *name)
 	else
 	{
 		// Update the cache.
-		lumpnumcacheindex = (lumpnumcacheindex + 1) & (LUMPNUMCACHESIZE - 1);
+		lumpnum_t lumpnum = (i << 16) + check;
-		memset(lumpnumcache[lumpnumcacheindex].lumpname, '\0', 32);
-		strncpy(lumpnumcache[lumpnumcacheindex].lumpname, name, 8);
-		lumpnumcache[lumpnumcacheindex].lumpnum = (i<<16)+check;
 
-		return lumpnumcache[lumpnumcacheindex].lumpnum;
+		AddLumpToCache(lumpnum, name, false);
+
+		return lumpnum;
 	}
 }
 
@@ -1534,16 +1584,10 @@ lumpnum_t W_CheckNumForLongName(const char *name)
 	if (!*name) // some doofus gave us an empty string?
 		return LUMPERROR;
 
-	// Check the lumpnumcache first. Loop backwards so that we check
+	// Check the lumpnumcache first.
-	// most recent entries first
+	lumpnum_t cachenum = CheckLumpInCache(name, true);
-	for (i = lumpnumcacheindex + LUMPNUMCACHESIZE; i > lumpnumcacheindex; i--)
+	if (cachenum != LUMPERROR)
-	{
+		return cachenum;
-		if (strcmp(lumpnumcache[i & (LUMPNUMCACHESIZE - 1)].lumpname, name) == 0)
-		{
-			lumpnumcacheindex = i & (LUMPNUMCACHESIZE - 1);
-			return lumpnumcache[lumpnumcacheindex].lumpnum;
-		}
-	}
 
 	// scan wad files backwards so patch lump files take precedence
 	for (i = numwadfiles - 1; i >= 0; i--)
@@ -1556,16 +1600,12 @@ lumpnum_t W_CheckNumForLongName(const char *name)
 	if (check == INT16_MAX) return LUMPERROR;
 	else
 	{
-		if (strlen(name) < 32)
+		// Update the cache.
-		{
+		lumpnum_t lumpnum = (i << 16) + check;
-			// Update the cache.
-			lumpnumcacheindex = (lumpnumcacheindex + 1) & (LUMPNUMCACHESIZE - 1);
-			memset(lumpnumcache[lumpnumcacheindex].lumpname, '\0', 32);
-			strlcpy(lumpnumcache[lumpnumcacheindex].lumpname, name, 32);
-			lumpnumcache[lumpnumcacheindex].lumpnum = (i << 16) + check;
-		}
 
-		return (i << 16) + check;
+		AddLumpToCache(lumpnum, name, true);
+
+		return lumpnum;
 	}
 }
 
@@ -1647,6 +1687,159 @@ lumpnum_t W_GetNumForLongName(const char *name)
 	return i;
 }
 
+//
+// Same as W_CheckNumForNamePwad, but handles namespaces.
+//
+static UINT16 W_CheckNumForPatchNamePwad(const char *name, UINT16 wad, boolean longname)
+{
+	UINT16 i, start, end;
+	static char uname[8 + 1] = { 0 };
+	UINT32 hash = 0;
+	lumpinfo_t *lump_p;
+
+	if (!TestValidLump(wad,0))
+		return INT16_MAX;
+
+	if (!longname)
+	{
+		strlcpy(uname, name, sizeof uname);
+		strupr(uname);
+		hash = quickncasehash(uname, 8);
+	}
+
+	// SRB2 doesn't have a specific namespace for graphics, which means someone can do weird things
+	// like placing graphics inside a namespace it doesn't make sense for them to be in, like Sounds/ or SOC/
+	// So for now, this checks for lumps OUTSIDE of the flats namespace.
+	// When this situation changes, change the loops below to check for lumps INSIDE the namespaces to look in.
+	// TODO: cache namespace lump IDs
+	if (W_FileHasFolders(wadfiles[wad]))
+	{
+		start = W_CheckNumForFolderStartPK3("Flats/", wad, 0);
+		end = W_CheckNumForFolderEndPK3("Flats/", wad, start);
+	}
+	else
+	{
+		start = W_CheckNumForMarkerStartPwad("F_START", wad, 0);
+		end = W_CheckNumForNamePwad("F_END", wad, start);
+		if (end != INT16_MAX)
+			end++;
+	}
+
+	lump_p = wadfiles[wad]->lumpinfo;
+
+	if (start == INT16_MAX)
+		start = wadfiles[wad]->numlumps;
+
+	for (i = 0; i < start; i++, lump_p++)
+	{
+		if ((!longname && lump_p->hash == hash && !strncmp(lump_p->name, uname, sizeof(uname) - 1))
+		|| (longname && stricmp(lump_p->longname, name) == 0))
+			return i;
+	}
+
+	if (end != INT16_MAX && start < end)
+	{
+		lump_p = wadfiles[wad]->lumpinfo + end;
+
+		for (i = end; i < wadfiles[wad]->numlumps; i++, lump_p++)
+		{
+			if ((!longname && lump_p->hash == hash && !strncmp(lump_p->name, uname, sizeof(uname) - 1))
+			|| (longname && stricmp(lump_p->longname, name) == 0))
+				return i;
+		}
+	}
+
+	// not found.
+	return INT16_MAX;
+}
+
+//
+// W_CheckNumForPatchNameInternal
+// Gets a lump number out of a patch name. Returns LUMPERROR if name not found.
+//
+static lumpnum_t W_CheckNumForPatchNameInternal(const char *name, boolean longname)
+{
+	INT32 i;
+	lumpnum_t check = INT16_MAX;
+
+	if (!*name) // some doofus gave us an empty string?
+		return LUMPERROR;
+
+	// Check the lumpnumcache first.
+	lumpnum_t cachenum = CheckLumpInCache(name, longname);
+	if (cachenum != LUMPERROR)
+		return cachenum;
+
+	// scan wad files backwards so patch lump files take precedence
+	for (i = numwadfiles - 1; i >= 0; i--)
+	{
+		check = W_CheckNumForPatchNamePwad(name,(UINT16)i,longname);
+		if (check != INT16_MAX)
+			break; //found it
+	}
+
+	if (check == INT16_MAX) return LUMPERROR;
+	else
+	{
+		// Update the cache.
+		lumpnum_t lumpnum = (i << 16) + check;
+
+		AddLumpToCache(lumpnum, name, longname);
+
+		return lumpnum;
+	}
+}
+
+//
+// W_CheckNumForPatchName
+// Wrapper for W_CheckNumForPatchNameInternal(name, false). Returns LUMPERROR if name not found.
+//
+lumpnum_t W_CheckNumForPatchName(const char *name)
+{
+	return W_CheckNumForPatchNameInternal(name, false);
+}
+
+//
+// Like W_CheckNumForPatchName, but can find entries with long names.
+// Wrapper for W_CheckNumForPatchNameInternal(name, true). Returns LUMPERROR if name not found.
+//
+lumpnum_t W_CheckNumForLongPatchName(const char *name)
+{
+	return W_CheckNumForPatchNameInternal(name, true);
+}
+
+//
+// W_GetNumForPatchName
+//
+// Calls W_CheckNumForPatchName, but bombs out if not found.
+//
+lumpnum_t W_GetNumForPatchName(const char *name)
+{
+	lumpnum_t i;
+
+	i = W_CheckNumForPatchName(name);
+
+	if (i == LUMPERROR)
+		I_Error("W_CheckNumForPatchName: %s not found!\n", name);
+
+	return i;
+}
+
+//
+// Like W_GetNumForPatchName, but can find entries with long names
+//
+lumpnum_t W_GetNumForLongPatchName(const char *name)
+{
+	lumpnum_t i;
+
+	i = W_CheckNumForLongPatchName(name);
+
+	if (i == LUMPERROR)
+		I_Error("W_GetNumForLongPatchName: %s not found!\n", name);
+
+	return i;
+}
+
 //
 // W_CheckNumForNameInBlock
 // Checks only in blocks from blockstart lump to blockend lump
@@ -2291,10 +2484,10 @@ void *W_CachePatchName(const char *name, INT32 tag)
 {
 	lumpnum_t num;
 
-	num = W_CheckNumForName(name);
+	num = W_CheckNumForPatchName(name);
 
 	if (num == LUMPERROR)
-		return W_CachePatchNum(W_GetNumForName("MISSING"), tag);
+		return W_CachePatchNum(W_GetNumForPatchName("MISSING"), tag);
 	return W_CachePatchNum(num, tag);
 }
 
@@ -2302,10 +2495,10 @@ void *W_CachePatchLongName(const char *name, INT32 tag)
 {
 	lumpnum_t num;
 
-	num = W_CheckNumForLongName(name);
+	num = W_CheckNumForLongPatchName(name);
 
 	if (num == LUMPERROR)
-		return W_CachePatchNum(W_GetNumForLongName("MISSING"), tag);
+		return W_CachePatchNum(W_GetNumForLongPatchName("MISSING"), tag);
 	return W_CachePatchNum(num, tag);
 }
 #ifndef NOMD5

src/w_wad.h

@@ -193,6 +193,12 @@ lumpnum_t W_CheckNumForName(const char *name);
 lumpnum_t W_CheckNumForLongName(const char *name);
 lumpnum_t W_GetNumForName(const char *name); // like W_CheckNumForName but I_Error on LUMPERROR
 lumpnum_t W_GetNumForLongName(const char *name);
+
+lumpnum_t W_CheckNumForPatchName(const char *name);
+lumpnum_t W_CheckNumForLongPatchName(const char *name);
+lumpnum_t W_GetNumForPatchName(const char *name); // like W_CheckNumForPatchName but I_Error on LUMPERROR
+lumpnum_t W_GetNumForLongPatchName(const char *name);
+
 lumpnum_t W_CheckNumForNameInBlock(const char *name, const char *blockstart, const char *blockend);
 UINT8 W_LumpExists(const char *name); // Lua uses this.