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Fix alphaMode storage and reading 

alphaMode is now converted from a std::string to an aiString and back to std::string, since aiString is easier to store and retrieve from aiMaterial properties than std::string

Fixes issues of alphaMode being written out as `\fOPAQUE\0\0\0\0\0\0…`
pull/1445/head
Daniel Hritzkiv 2017-09-18 12:19:55 -04:00
parent d473a49456
commit de0bf2ea96
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GPG Key ID: D1D19875679D5CBF
2 changed files with 7 additions and 14 deletions
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17
code/glTF2Exporter.cpp
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@ -424,20 +424,11 @@ void glTF2Exporter::ExportMaterials()
mat->Get(AI_MATKEY_TWOSIDED, m->doubleSided);
mat->Get(AI_MATKEY_GLTF_ALPHACUTOFF, m->alphaCutoff);
bool foundAlphaMode = false;
for (size_t i = 0; i < mat->mNumProperties; ++i) {
aiMaterialProperty *prop = mat->mProperties[i];
if (prop->mKey != aiString("$mat.gltf.alphaMode"))
continue;
aiString alphaMode;
std::string alphaMode;
for (size_t c = 0; c < prop->mDataLength; ++c)
alphaMode += prop->mData[c];
m->alphaMode = alphaMode;
foundAlphaMode = true;
}
if (!foundAlphaMode) {
if (mat->Get(AI_MATKEY_GLTF_ALPHAMODE, alphaMode) == AI_SUCCESS) {
m->alphaMode = alphaMode.C_Str();
} else {
float opacity;
if (mat->Get(AI_MATKEY_OPACITY, opacity) == AI_SUCCESS) {

4
code/glTF2Importer.cpp
View File

@ -239,7 +239,9 @@ void glTF2Importer::ImportMaterials(glTF2::Asset& r)
SetMaterialColorProperty(r, mat.emissiveFactor, aimat, AI_MATKEY_COLOR_EMISSIVE);
aimat->AddProperty(&mat.doubleSided, 1, AI_MATKEY_TWOSIDED);
aimat->AddProperty(&mat.alphaMode, 1, AI_MATKEY_GLTF_ALPHAMODE);
aiString alphaMode(mat.alphaMode);
aimat->AddProperty(&alphaMode, AI_MATKEY_GLTF_ALPHAMODE);
aimat->AddProperty(&mat.alphaCutoff, 1, AI_MATKEY_GLTF_ALPHACUTOFF);
//pbrSpecularGlossiness