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PBR-2-Source PBR-2-Source is a tool written in Python Python by koerismo that is used to port PBR materials to any Source Source game, even those without support for a PBR shader. When converting to standard shaders, it uses special algorithms to bake different texture maps into one diffuse texture. When converting to use with a PBR shader, it takes different texture maps and makes an MRAO map. This program automatically creates a fully functional VMT file, with optional reflections, and also can flip the Y of a normal map if it was created in a program using Maya Maya's format instead of 3DS Max 3DS Max's format.

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