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Set the metallicFactor to 0 if source file doesn’t have metallicFactor 

Otherwise, the models have full metallic materials and appear very dim
pull/1423/head
Daniel Hritzkiv 2017-09-06 14:16:52 -04:00
parent da6a252efb
commit 37582131f4
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GPG Key ID: D1D19875679D5CBF
1 changed files with 6 additions and 1 deletions
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7
code/glTF2Exporter.cpp
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@ -418,7 +418,12 @@ void glTF2Exporter::ExportMaterials()
GetMatTex(mat, m->pbrMetallicRoughness.baseColorTexture, aiTextureType_DIFFUSE); GetMatTex(mat, m->pbrMetallicRoughness.baseColorTexture, aiTextureType_DIFFUSE);
GetMatTex(mat, m->pbrMetallicRoughness.metallicRoughnessTexture, AI_MATKEY_GLTF_PBRMETALLICROUGHNESS_METALLICROUGHNESS_TEXTURE); GetMatTex(mat, m->pbrMetallicRoughness.metallicRoughnessTexture, AI_MATKEY_GLTF_PBRMETALLICROUGHNESS_METALLICROUGHNESS_TEXTURE);
GetMatColor(mat, m->pbrMetallicRoughness.baseColorFactor, AI_MATKEY_COLOR_DIFFUSE); GetMatColor(mat, m->pbrMetallicRoughness.baseColorFactor, AI_MATKEY_COLOR_DIFFUSE);
mat->Get(AI_MATKEY_GLTF_PBRMETALLICROUGHNESS_METALLIC_FACTOR, m->pbrMetallicRoughness.metallicFactor);
if (mat->Get(AI_MATKEY_GLTF_PBRMETALLICROUGHNESS_METALLIC_FACTOR, m->pbrMetallicRoughness.metallicFactor) != AI_SUCCESS) {
//if metallicFactor wasn't defined, then the source is likely not a PBR file, and the metallicFactor should be 0
m->pbrMetallicRoughness.metallicFactor = 0;
}
mat->Get(AI_MATKEY_GLTF_PBRMETALLICROUGHNESS_ROUGHNESS_FACTOR, m->pbrMetallicRoughness.roughnessFactor); mat->Get(AI_MATKEY_GLTF_PBRMETALLICROUGHNESS_ROUGHNESS_FACTOR, m->pbrMetallicRoughness.roughnessFactor);
GetMatTex(mat, m->normalTexture, aiTextureType_NORMALS); GetMatTex(mat, m->normalTexture, aiTextureType_NORMALS);