[shaders] implement fog

SomaZ / Blender_BSP_Importer

This is an id tech 3 bsp importer for blender. It can import entites and tries to convert quake 3 shaders to eevee ones.

GNU General Public License v2.0

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Open SomaZ opened 4 years ago

SomaZ commented 4 years ago

Shader attribute fogParms is not implemented. Also pull the fog brush from the bsp to get the complete volume instead of relying on the fog surface.

MoritzJT commented 7 months ago

RTCW / ET specific