Does source allow grey scale Bump Maps? I know how to make a normal map, however a normal map would be insanely complicated with the geometry that I have. However, I do have a Grey Scale bump Map, can I use that in source (specifically Gmod)?
I tried to use a grayscale once, and had no success... so I don't belive it is possible in source. However I might be wrong.
You are just going to have to settle with a normal map, unless you know how to code a custom shader.
If you have a height map, you can probably just plug it into a filter or something. Or as a shitty alternative; color it light bluish purple.
Just use Valve's height2normal tool.
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