# normal mapping, vertex colors -> emissive checkgroup begin and # Skyrim check HEADER/BS Header/BS Version >= 83 check HEADER/BS Header/BS Version <= 100 check BSEffectShaderProperty checkgroup end texcoords 0 base texcoords 1 tangents texcoords 2 bitangents texcoords 3 indices texcoords 4 weights shaders sk_effectshader.vert sk_effectshader.frag