- added a 'forceworldpanning' map flag.

Since unfortunately this cannot be set as a general default, let's at least make it as easy as possible to disable that panning+scaling madness without having to edit the texture data.

src/g_level.h

@@ -247,6 +247,7 @@ enum ELevelFlags : unsigned int
 	LEVEL3_NOCOLOREDSPRITELIGHTING = 0x00000010,	// draw sprites only with color-less light
 	LEVEL3_EXITNORMALUSED		= 0x00000020,
 	LEVEL3_EXITSECRETUSED		= 0x00000040,
+	LEVEL3_FORCEWORLDPANNING	= 0x00000080,	// Forces the world panning flag for all textures, even those without it explicitly set.
 };