Improve shader definition for mod2x decals - Githubissues

lasa01 / Plumber

A Blender addon for importing Source 1 engine maps, models, materials and textures. This addon makes it possible to import full CS:GO, TF2, CS:S or other Source 1 game maps into Blender.

MIT License

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Improve shader definition for mod2x decals #188

Open BenLubar opened 1 month ago

BenLubar commented 1 month ago

Based on REDxEYE/SourceIO#287:

Currently, mod2x decals get materials that don't do anything special:

Which results in this in the render:

The proposed new material shader node graph for mod2x decals is this:

That is:

Change the texture color space to "non-color" to preserve 50% gray as 50% gray.
Add the color to itself (double it) so 50% gray becomes flat white.
Use the Transparent BSDF.

This results in a much nicer looking blood stain without a gray rectangle around it: