diff --git a/src/actor.h b/src/actor.h
index 783eb5408..bf4b92457 100644
--- a/src/actor.h
+++ b/src/actor.h
@@ -857,6 +857,7 @@ public:
 
 	int				special1;		// Special info
 	int				special2;		// Special info
+	int				weaponspecial;	// Special info for weapons.
 	int 			health;
 	BYTE			movedir;		// 0-7
 	SBYTE			visdir;
diff --git a/src/d_dehacked.cpp b/src/d_dehacked.cpp
index e6376a589..d14015ca9 100644
--- a/src/d_dehacked.cpp
+++ b/src/d_dehacked.cpp
@@ -2154,6 +2154,13 @@ static int PatchText (int oldSize)
 			{
 				strncpy (deh.PlayerSprite, newStr, 4);
 			}
+			for (unsigned ii = 0; ii < OrgSprNames.Size(); ii++)
+			{
+				if (!stricmp(OrgSprNames[ii].c, oldStr))
+				{
+					strcpy(OrgSprNames[ii].c, newStr);
+				}
+			}
 			// If this sprite is used by a pickup, then the DehackedPickup sprite map
 			// needs to be updated too.
 			for (i = 0; (size_t)i < countof(DehSpriteMappings); ++i)
diff --git a/src/g_hexen/a_clericmace.cpp b/src/g_hexen/a_clericmace.cpp
index 0e43f3df9..79b5df340 100644
--- a/src/g_hexen/a_clericmace.cpp
+++ b/src/g_hexen/a_clericmace.cpp
@@ -56,7 +56,7 @@ DEFINE_ACTION_FUNCTION(AActor, A_CMaceAttack)
 		}
 	}
 	// didn't find any creatures, so try to strike any walls
-	player->mo->special1 = 0;
+	player->mo->weaponspecial = 0;
 
 	angle = player->mo->angle;
 	slope = P_AimLineAttack (player->mo, angle, MELEERANGE, &linetarget);
diff --git a/src/g_hexen/a_clericstaff.cpp b/src/g_hexen/a_clericstaff.cpp
index 36f0c7686..aa8b94d74 100644
--- a/src/g_hexen/a_clericstaff.cpp
+++ b/src/g_hexen/a_clericstaff.cpp
@@ -164,7 +164,7 @@ DEFINE_ACTION_FUNCTION(AActor, A_CStaffMissileSlither)
 
 DEFINE_ACTION_FUNCTION(AActor, A_CStaffInitBlink)
 {
-	self->special1 = (pr_blink()>>1)+20;
+	self->weaponspecial = (pr_blink()>>1)+20;
 }
 
 //============================================================================
@@ -177,10 +177,10 @@ DEFINE_ACTION_FUNCTION(AActor, A_CStaffCheckBlink)
 {
 	if (self->player && self->player->ReadyWeapon)
 	{
-		if (!--self->special1)
+		if (!--self->weaponspecial)
 		{
 			P_SetPsprite (self->player, ps_weapon, self->player->ReadyWeapon->FindState ("Blink"));
-			self->special1 = (pr_blink()+50)>>2;
+			self->weaponspecial = (pr_blink()+50)>>2;
 		}
 		else 
 		{
diff --git a/src/g_hexen/a_fighteraxe.cpp b/src/g_hexen/a_fighteraxe.cpp
index f80af876b..c1e396810 100644
--- a/src/g_hexen/a_fighteraxe.cpp
+++ b/src/g_hexen/a_fighteraxe.cpp
@@ -253,7 +253,7 @@ DEFINE_ACTION_FUNCTION(AActor, A_FAxeAttack)
 		}
 	}
 	// didn't find any creatures, so try to strike any walls
-	pmo->special1 = 0;
+	pmo->weaponspecial = 0;
 
 	angle = pmo->angle;
 	slope = P_AimLineAttack (pmo, angle, MELEERANGE, &linetarget);
diff --git a/src/g_hexen/a_fighterhammer.cpp b/src/g_hexen/a_fighterhammer.cpp
index 85bbb3aae..42aae31fb 100644
--- a/src/g_hexen/a_fighterhammer.cpp
+++ b/src/g_hexen/a_fighterhammer.cpp
@@ -57,7 +57,7 @@ DEFINE_ACTION_FUNCTION(AActor, A_FHammerAttack)
 				{
 					P_ThrustMobj (linetarget, angle, power);
 				}
-				pmo->special1 = false; // Don't throw a hammer
+				pmo->weaponspecial = false; // Don't throw a hammer
 				goto hammerdone;
 			}
 		}
@@ -73,7 +73,7 @@ DEFINE_ACTION_FUNCTION(AActor, A_FHammerAttack)
 				{
 					P_ThrustMobj(linetarget, angle, power);
 				}
-				pmo->special1 = false; // Don't throw a hammer
+				pmo->weaponspecial = false; // Don't throw a hammer
 				goto hammerdone;
 			}
 		}
@@ -83,11 +83,11 @@ DEFINE_ACTION_FUNCTION(AActor, A_FHammerAttack)
 	slope = P_AimLineAttack (pmo, angle, HAMMER_RANGE, &linetarget, 0, ALF_CHECK3D);
 	if (P_LineAttack (pmo, angle, HAMMER_RANGE, slope, damage, NAME_Melee, PClass::FindClass ("HammerPuff"), true) != NULL)
 	{
-		pmo->special1 = false;
+		pmo->weaponspecial = false;
 	}
 	else
 	{
-		pmo->special1 = true;
+		pmo->weaponspecial = true;
 	}
 hammerdone:
 	// Don't spawn a hammer if the player doesn't have enough mana
@@ -95,7 +95,7 @@ hammerdone:
 		!player->ReadyWeapon->CheckAmmo (player->ReadyWeapon->bAltFire ?
 			AWeapon::AltFire : AWeapon::PrimaryFire, false, true))
 	{ 
-		pmo->special1 = false;
+		pmo->weaponspecial = false;
 	}
 	return;		
 }
@@ -116,7 +116,7 @@ DEFINE_ACTION_FUNCTION(AActor, A_FHammerThrow)
 		return;
 	}
 
-	if (!player->mo->special1)
+	if (!player->mo->weaponspecial)
 	{
 		return;
 	}
diff --git a/src/g_hexen/a_fighterplayer.cpp b/src/g_hexen/a_fighterplayer.cpp
index 1b051a608..5df183901 100644
--- a/src/g_hexen/a_fighterplayer.cpp
+++ b/src/g_hexen/a_fighterplayer.cpp
@@ -66,7 +66,7 @@ static bool TryPunch(APlayerPawn *pmo, angle_t angle, int damage, fixed_t power)
 	slope = P_AimLineAttack (pmo, angle, 2*MELEERANGE, &linetarget);
 	if (linetarget != NULL)
 	{
-		if (++pmo->special1 >= 3)
+		if (++pmo->weaponspecial >= 3)
 		{
 			damage <<= 1;
 			power *= 3;
@@ -117,9 +117,9 @@ DEFINE_ACTION_FUNCTION(AActor, A_FPunchAttack)
 		if (TryPunch(pmo, pmo->angle + i*(ANG45/16), damage, power) ||
 			TryPunch(pmo, pmo->angle - i*(ANG45/16), damage, power))
 		{ // hit something
-			if (pmo->special1 >= 3)
+			if (pmo->weaponspecial >= 3)
 			{
-				pmo->special1 = 0;
+				pmo->weaponspecial = 0;
 				P_SetPsprite (player, ps_weapon, player->ReadyWeapon->FindState ("Fire2"));
 				S_Sound (pmo, CHAN_VOICE, "*fistgrunt", 1, ATTN_NORM);
 			}
@@ -127,7 +127,7 @@ DEFINE_ACTION_FUNCTION(AActor, A_FPunchAttack)
 		}
 	}
 	// didn't find any creatures, so try to strike any walls
-	pmo->special1 = 0;
+	pmo->weaponspecial = 0;
 
 	AActor *linetarget;
 	int slope = P_AimLineAttack (pmo, pmo->angle, MELEERANGE, &linetarget);
diff --git a/src/g_level.cpp b/src/g_level.cpp
index 69bee5de1..d84a48776 100644
--- a/src/g_level.cpp
+++ b/src/g_level.cpp
@@ -499,7 +499,9 @@ void G_ChangeLevel(const char *levelname, int position, int flags, int nextSkill
 	}
 	else if (strncmp(levelname, "enDSeQ", 6) != 0)
 	{
-		nextinfo = FindLevelInfo (levelname, false);
+		FString reallevelname = levelname;
+		CheckWarpTransMap(reallevelname, true);
+		nextinfo = FindLevelInfo (reallevelname, false);
 		if (nextinfo != NULL)
 		{
 			level_info_t *nextredir = nextinfo->CheckLevelRedirect();
@@ -507,8 +509,12 @@ void G_ChangeLevel(const char *levelname, int position, int flags, int nextSkill
 			{
 				nextinfo = nextredir;
 			}
+			nextlevel = nextinfo->MapName;
+		}
+		else
+		{
+			nextlevel = levelname;
 		}
-		nextlevel = nextinfo->MapName;
 	}
 	else
 	{
@@ -1169,6 +1175,7 @@ void G_FinishTravel ()
 			pawn->lastenemy = NULL;
 			pawn->player->mo = pawn;
 			pawn->player->camera = pawn;
+			pawn->flags2 &= ~MF2_BLASTED;
 			DObject::StaticPointerSubstitution (oldpawn, pawn);
 			oldpawn->Destroy();
 			pawndup->Destroy ();
diff --git a/src/g_shared/shared_sbar.cpp b/src/g_shared/shared_sbar.cpp
index 89921e3a2..2a18801a1 100644
--- a/src/g_shared/shared_sbar.cpp
+++ b/src/g_shared/shared_sbar.cpp
@@ -146,7 +146,6 @@ void ST_LoadCrosshair(bool alwaysload)
 {
 	int num = 0;
 	char name[16], size;
-	int lump;
 
 	if (!crosshairforce &&
 		players[consoleplayer].camera != NULL &&
@@ -179,18 +178,20 @@ void ST_LoadCrosshair(bool alwaysload)
 		num = -num;
 	}
 	size = (SCREENWIDTH < 640) ? 'S' : 'B';
+
 	mysnprintf (name, countof(name), "XHAIR%c%d", size, num);
-	if ((lump = Wads.CheckNumForName (name, ns_graphics)) == -1)
+	FTextureID texid = TexMan.CheckForTexture(name, FTexture::TEX_MiscPatch, FTextureManager::TEXMAN_TryAny | FTextureManager::TEXMAN_ShortNameOnly);
+	if (!texid.isValid())
 	{
 		mysnprintf (name, countof(name), "XHAIR%c1", size);
-		if ((lump = Wads.CheckNumForName (name, ns_graphics)) == -1)
+		texid = TexMan.CheckForTexture(name, FTexture::TEX_MiscPatch, FTextureManager::TEXMAN_TryAny | FTextureManager::TEXMAN_ShortNameOnly);
+		if (!texid.isValid())
 		{
-			strcpy (name, "XHAIRS1");
+			texid = TexMan.CheckForTexture("XHAIRS1", FTexture::TEX_MiscPatch, FTextureManager::TEXMAN_TryAny | FTextureManager::TEXMAN_ShortNameOnly);
 		}
-		num = 1;
 	}
 	CrosshairNum = num;
-	CrosshairImage = TexMan[TexMan.CheckForTexture(name, FTexture::TEX_MiscPatch)];
+	CrosshairImage = TexMan[texid];
 }
 
 //---------------------------------------------------------------------------
diff --git a/src/p_enemy.cpp b/src/p_enemy.cpp
index bdc72b0c8..00e2a3dc2 100644
--- a/src/p_enemy.cpp
+++ b/src/p_enemy.cpp
@@ -1600,7 +1600,10 @@ bool P_LookForPlayers (AActor *actor, INTBOOL allaround, FLookExParams *params)
 
 	if (!(gameinfo.gametype & (GAME_DoomStrifeChex)) &&
 		!multiplayer &&
-		players[0].health <= 0)
+		players[0].health <= 0 && 
+		actor->goal == NULL &&
+		gamestate != GS_TITLELEVEL
+		)
 	{ // Single player game and player is dead; look for monsters
 		return P_LookForMonsters (actor);
 	}
diff --git a/src/p_mobj.cpp b/src/p_mobj.cpp
index cdc511d11..50461c43a 100644
--- a/src/p_mobj.cpp
+++ b/src/p_mobj.cpp
@@ -206,6 +206,10 @@ void AActor::Serialize (FArchive &arc)
 	{
 		arc << flags7;
 	}
+	if (SaveVersion >= 4511)
+	{
+		arc << weaponspecial;
+	}
 	arc	<< special1
 		<< special2
 		<< health
diff --git a/src/p_pspr.cpp b/src/p_pspr.cpp
index 49f8bcb84..e477d9751 100644
--- a/src/p_pspr.cpp
+++ b/src/p_pspr.cpp
@@ -211,6 +211,7 @@ void P_BringUpWeapon (player_t *player)
 	// make sure that the previous weapon's flash state is terminated.
 	// When coming here from a weapon drop it may still be active.
 	P_SetPsprite(player, ps_flash, NULL);
+	player->mo->weaponspecial = 0;
 }
 
 
diff --git a/src/p_setup.cpp b/src/p_setup.cpp
index a6dbca868..6b5d9403f 100644
--- a/src/p_setup.cpp
+++ b/src/p_setup.cpp
@@ -537,34 +537,31 @@ void MapData::GetChecksum(BYTE cksum[16])
 {
 	MD5Context md5;
 
-	if (file != NULL)
+	if (isText)
 	{
-		if (isText)
+		Seek(ML_TEXTMAP);
+		if (file != NULL) md5.Update(file, Size(ML_TEXTMAP));
+	}
+	else
+	{
+		if (Size(ML_LABEL) != 0)
 		{
-			Seek(ML_TEXTMAP);
-			md5.Update(file, Size(ML_TEXTMAP));
-		}
-		else
-		{
-			if (Size(ML_LABEL) != 0)
-			{
-				Seek(ML_LABEL);
-				md5.Update(file, Size(ML_LABEL));
-			}
-			Seek(ML_THINGS);
-			md5.Update(file, Size(ML_THINGS));
-			Seek(ML_LINEDEFS);
-			md5.Update(file, Size(ML_LINEDEFS));
-			Seek(ML_SIDEDEFS);
-			md5.Update(file, Size(ML_SIDEDEFS));
-			Seek(ML_SECTORS);
-			md5.Update(file, Size(ML_SECTORS));
-		}
-		if (HasBehavior)
-		{
-			Seek(ML_BEHAVIOR);
-			md5.Update(file, Size(ML_BEHAVIOR));
+			Seek(ML_LABEL);
+			if (file != NULL) md5.Update(file, Size(ML_LABEL));
 		}
+		Seek(ML_THINGS);
+		if (file != NULL) md5.Update(file, Size(ML_THINGS));
+		Seek(ML_LINEDEFS);
+		if (file != NULL) md5.Update(file, Size(ML_LINEDEFS));
+		Seek(ML_SIDEDEFS);
+		if (file != NULL) md5.Update(file, Size(ML_SIDEDEFS));
+		Seek(ML_SECTORS);
+		if (file != NULL) md5.Update(file, Size(ML_SECTORS));
+	}
+	if (HasBehavior)
+	{
+		Seek(ML_BEHAVIOR);
+		if (file != NULL) md5.Update(file, Size(ML_BEHAVIOR));
 	}
 	md5.Final(cksum);
 }
diff --git a/src/p_user.cpp b/src/p_user.cpp
index cd111838d..fbe24cc83 100644
--- a/src/p_user.cpp
+++ b/src/p_user.cpp
@@ -629,7 +629,16 @@ void APlayerPawn::BeginPlay ()
 		FString crouchspritename = sprites[crouchsprite].name;
 
 		int spritenorm = Wads.CheckNumForName(normspritename + "A1", ns_sprites);
+		if (spritenorm==-1) 
+		{
+			spritenorm = Wads.CheckNumForName(normspritename + "A0", ns_sprites);
+		}
+
 		int spritecrouch = Wads.CheckNumForName(crouchspritename + "A1", ns_sprites);
+		if (spritecrouch==-1) 
+		{
+			spritecrouch = Wads.CheckNumForName(crouchspritename + "A0", ns_sprites);
+		}
 		
 		if (spritenorm==-1 || spritecrouch ==-1) 
 		{
diff --git a/src/thingdef/thingdef_codeptr.cpp b/src/thingdef/thingdef_codeptr.cpp
index 048d4d47f..b1c9e9065 100644
--- a/src/thingdef/thingdef_codeptr.cpp
+++ b/src/thingdef/thingdef_codeptr.cpp
@@ -1028,7 +1028,7 @@ DEFINE_ACTION_FUNCTION_PARAMS(AActor, A_CustomMissile)
 	else if (flags & CMF_CHECKTARGETDEAD)
 	{
 		// Target is dead and the attack shall be aborted.
-		if (self->SeeState != NULL) self->SetState(self->SeeState);
+		if (self->SeeState != NULL && (self->health > 0 || !(self->flags3 & MF3_ISMONSTER))) self->SetState(self->SeeState);
 	}
 }
 
diff --git a/src/version.h b/src/version.h
index af376938c..c8917212d 100644
--- a/src/version.h
+++ b/src/version.h
@@ -76,7 +76,7 @@ const char *GetVersionString();
 
 // Use 4500 as the base git save version, since it's higher than the
 // SVN revision ever got.
-#define SAVEVER 4511
+#define SAVEVER 4512
 
 #define SAVEVERSTRINGIFY2(x) #x
 #define SAVEVERSTRINGIFY(x) SAVEVERSTRINGIFY2(x)
diff --git a/wadsrc/static/compatibility.txt b/wadsrc/static/compatibility.txt
index 1c2307ec0..30c54c556 100644
--- a/wadsrc/static/compatibility.txt
+++ b/wadsrc/static/compatibility.txt
@@ -198,6 +198,14 @@ E2B5D1400279335811C1C1C0B437D9C8 // Deathknights of the Dark Citadel, map54
 	clearlineflags 1069 0x200
 }
 
+CBDE77E3ACB4B166D53C1812E5C72F54 // Hexen IWAD map04
+{
+	setthingz 49 0
+	setthingz 50 0
+	setthingz 51 0
+	setthingz 52 0
+}
+
 3F249EDD62A3A08F53A6C53CB4C7ABE5 // Artica 3 map01
 {
 	clearlinespecial 66