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Merge pull request #3967 from jerstlouis/master 

glTF2: Improved support for AI_MATKEY_OPACITY
pull/3969/head^2
Kim Kulling 2021-07-01 20:01:31 +02:00 committed by GitHub
parent 1ea3cb545d 240eb36980
commit 939dacdbee
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 8 additions and 9 deletions
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16
code/AssetLib/glTF2/glTF2Exporter.cpp
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@ -778,19 +778,17 @@ void glTF2Exporter::ExportMaterials()
mat.Get(AI_MATKEY_TWOSIDED, m->doubleSided); mat.Get(AI_MATKEY_TWOSIDED, m->doubleSided);
mat.Get(AI_MATKEY_GLTF_ALPHACUTOFF, m->alphaCutoff); mat.Get(AI_MATKEY_GLTF_ALPHACUTOFF, m->alphaCutoff);
float opacity;
aiString alphaMode; aiString alphaMode;
if (mat.Get(AI_MATKEY_OPACITY, opacity) == AI_SUCCESS) {
if (opacity < 1) {
m->alphaMode = "BLEND";
m->pbrMetallicRoughness.baseColorFactor[3] *= opacity;
}
}
if (mat.Get(AI_MATKEY_GLTF_ALPHAMODE, alphaMode) == AI_SUCCESS) { if (mat.Get(AI_MATKEY_GLTF_ALPHAMODE, alphaMode) == AI_SUCCESS) {
m->alphaMode = alphaMode.C_Str(); m->alphaMode = alphaMode.C_Str();
} else {
float opacity;
if (mat.Get(AI_MATKEY_OPACITY, opacity) == AI_SUCCESS) {
if (opacity < 1) {
m->alphaMode = "BLEND";
m->pbrMetallicRoughness.baseColorFactor[3] *= opacity;
}
}
} }
{ {

1
code/AssetLib/glTF2/glTF2Importer.cpp
View File

@ -267,6 +267,7 @@ static aiMaterial *ImportMaterial(std::vector<int> &embeddedTexIdxs, Asset &r, M
SetMaterialColorProperty(r, mat.emissiveFactor, aimat, AI_MATKEY_COLOR_EMISSIVE); SetMaterialColorProperty(r, mat.emissiveFactor, aimat, AI_MATKEY_COLOR_EMISSIVE);
aimat->AddProperty(&mat.doubleSided, 1, AI_MATKEY_TWOSIDED); aimat->AddProperty(&mat.doubleSided, 1, AI_MATKEY_TWOSIDED);
aimat->AddProperty(&mat.pbrMetallicRoughness.baseColorFactor[3], 1, AI_MATKEY_OPACITY);
aiString alphaMode(mat.alphaMode); aiString alphaMode(mat.alphaMode);
aimat->AddProperty(&alphaMode, AI_MATKEY_GLTF_ALPHAMODE); aimat->AddProperty(&alphaMode, AI_MATKEY_GLTF_ALPHAMODE);