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Merge pull request #4466 from ifiddynine/patch-3 

Detect Roughness factor exported by Blender
pull/4454/head^2
Kim Kulling 2022-04-02 21:54:06 +02:00 committed by GitHub
parent 42adc82354 88dadd6c40
commit 75ab2beb06
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1 changed files with 3 additions and 0 deletions
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3
code/AssetLib/FBX/FBXConverter.cpp
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@ -2161,6 +2161,9 @@ void FBXConverter::SetShadingPropertiesCommon(aiMaterial *out_mat, const Propert
const float ShininessExponent = PropertyGet<float>(props, "ShininessExponent", ok);
if (ok) {
out_mat->AddProperty(&ShininessExponent, 1, AI_MATKEY_SHININESS);
// Match Blender behavior to extract roughness when only shininess is present
const float roughness = 1.0 - (sqrt(ShininessExponent) / 10.0);
out_mat->AddProperty(&roughness, 1, AI_MATKEY_ROUGHNESS_FACTOR);
}
// TransparentColor / TransparencyFactor... gee thanks FBX :rolleyes: