World|Sector: Non-drawable materials classify for "missing texture" map hacks
The first texture defined in the TEXTURE1/2 lump of the IWAD is never drawn by the original software renderer due to a resource management quirk. Some mods take advantage of this behavior by applying it to missing texture map hacks instead of omitting a texture.
Added by danij about 11 years ago
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World|Sector: Non-drawable materials classify for "missing texture" map hacks
The first texture defined in the TEXTURE1/2 lump of the IWAD is never
drawn by the original software renderer due to a resource management
quirk. Some mods take advantage of this behavior by applying it to
missing texture map hacks instead of omitting a texture.