- fixed: ACS's check...Texture functions must use the same search flags as the texture initialization code in p_setup.cpp and p_udmf.cpp. It also should not create textures that don't exist yet. We are only doing a comparison so it's not relevant if the texture exists or not.

src/p_acs.cpp

@@ -3944,7 +3944,9 @@ bool DLevelScript::DoCheckActorTexture(int tid, AActor *activator, int string, b
 	{
 		return 0;
 	}
-	FTexture *tex = TexMan.FindTexture(FBehavior::StaticLookupString(string));
+	FTexture *tex = TexMan.FindTexture(FBehavior::StaticLookupString(string), FTexture::TEX_Flat,
+			FTextureManager::TEXMAN_Overridable|FTextureManager::TEXMAN_TryAny|FTextureManager::TEXMAN_DontCreate);
+
 	if (tex == NULL)
 	{ // If the texture we want to check against doesn't exist, then
 	  // they're obviously not the same.

src/textures/texturemanager.cpp

@@ -238,6 +238,7 @@ FTextureID FTextureManager::CheckForTexture (const char *name, int usetype, BITF
 				FTexture *tex = Wads.GetLinkedTexture(lump);
 				if (tex == NO_TEXTURE) return FTextureID(-1);
 				if (tex != NULL) return tex->id;
+				if (flags & TEXMAN_DontCreate) return FTextureID(-1);	// we only want to check, there's no need to create a texture if we don't have one yet.
 				tex = FTexture::CreateTexture("", lump, FTexture::TEX_Override);
 				if (tex != NULL)
 				{

src/textures/textures.h

@@ -363,7 +363,8 @@ public:
 		TEXMAN_Overridable = 2,
 		TEXMAN_ReturnFirst = 4,
 		TEXMAN_AllowSkins = 8,
-		TEXMAN_ShortNameOnly = 16
+		TEXMAN_ShortNameOnly = 16,
+		TEXMAN_DontCreate = 32
 	};
 
 	FTextureID CheckForTexture (const char *name, int usetype, BITFIELD flags=TEXMAN_TryAny);