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SpecularFactor import and export improvements 

The changes here (which only apply to reading from or writing to pbrSpecularGlossiness) will:

- store and read specular color on `AI_MATKEY_COLOR_SPECULAR ` rather than `AI_MATKEY_GLTF_PBRSPECULARGLOSSINESS_SPECULAR_FACTOR`
- store and read specular texture from `aiTextureType_SPECULAR` rather than `AI_MATKEY_GLTF_PBRSPECULARGLOSSINESS_SPECULARGLOSSINESS_TEXTURE`. Even though pbrSG’s specularGlossiness texture uses the alpha channel for glossiness, it will still work well enough with just the RGB channels of the image
pull/1503/head
Daniel Hritzkiv 2017-10-19 12:24:25 -04:00
parent c71790c78d
commit a898c1f2d1
No known key found for this signature in database
GPG Key ID: D1D19875679D5CBF
3 changed files with 6 additions and 6 deletions
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2
code/glTF2Asset.h
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@ -172,9 +172,7 @@ namespace glTF2
#define AI_MATKEY_GLTF_ALPHAMODE "$mat.gltf.alphaMode", 0, 0
#define AI_MATKEY_GLTF_ALPHACUTOFF "$mat.gltf.alphaCutoff", 0, 0
#define AI_MATKEY_GLTF_PBRSPECULARGLOSSINESS "$mat.gltf.pbrSpecularGlossiness", 0, 0
#define AI_MATKEY_GLTF_PBRSPECULARGLOSSINESS_SPECULAR_FACTOR "$clr.specular", 0, 1
#define AI_MATKEY_GLTF_PBRSPECULARGLOSSINESS_GLOSSINESS_FACTOR "$mat.gltf.pbrMetallicRoughness.glossinessFactor", 0, 0
#define AI_MATKEY_GLTF_PBRSPECULARGLOSSINESS_SPECULARGLOSSINESS_TEXTURE aiTextureType_UNKNOWN, 1
#define _AI_MATKEY_GLTF_TEXTURE_TEXCOORD_BASE "$tex.file.texCoord"
#define _AI_MATKEY_GLTF_MAPPINGNAME_BASE "$tex.mappingname"

4
code/glTF2Exporter.cpp
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@ -470,11 +470,11 @@ void glTF2Exporter::ExportMaterials()
PbrSpecularGlossiness pbrSG;
GetMatColor(mat, pbrSG.specularFactor, AI_MATKEY_GLTF_PBRSPECULARGLOSSINESS_SPECULAR_FACTOR);
mat->Get(AI_MATKEY_GLTF_PBRSPECULARGLOSSINESS_GLOSSINESS_FACTOR, pbrSG.glossinessFactor);
GetMatTex(mat, pbrSG.specularGlossinessTexture, AI_MATKEY_GLTF_PBRSPECULARGLOSSINESS_SPECULARGLOSSINESS_TEXTURE);
GetMatColor(mat, pbrSG.diffuseFactor, AI_MATKEY_COLOR_DIFFUSE);
GetMatColor(mat, pbrSG.specularFactor, AI_MATKEY_COLOR_SPECULAR);
GetMatTex(mat, pbrSG.diffuseTexture, aiTextureType_DIFFUSE);
GetMatTex(mat, pbrSG.specularGlossinessTexture, aiTextureType_SPECULAR);
m->pbrSpecularGlossiness = Nullable<PbrSpecularGlossiness>(pbrSG);
}

6
code/glTF2Importer.cpp
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@ -253,11 +253,13 @@ void glTF2Importer::ImportMaterials(glTF2::Asset& r)
PbrSpecularGlossiness &pbrSG = mat.pbrSpecularGlossiness.value;
aimat->AddProperty(&mat.pbrSpecularGlossiness.isPresent, 1, AI_MATKEY_GLTF_PBRSPECULARGLOSSINESS);
SetMaterialColorProperty(r, pbrSG.specularFactor, aimat, AI_MATKEY_GLTF_PBRSPECULARGLOSSINESS_SPECULAR_FACTOR);
SetMaterialColorProperty(r, pbrSG.diffuseFactor, aimat, AI_MATKEY_COLOR_DIFFUSE);
SetMaterialColorProperty(r, pbrSG.specularFactor, aimat, AI_MATKEY_COLOR_SPECULAR);
aimat->AddProperty(&pbrSG.glossinessFactor, 1, AI_MATKEY_GLTF_PBRSPECULARGLOSSINESS_GLOSSINESS_FACTOR);
SetMaterialTextureProperty(embeddedTexIdxs, r, pbrSG.specularGlossinessTexture, aimat, AI_MATKEY_GLTF_PBRSPECULARGLOSSINESS_SPECULARGLOSSINESS_TEXTURE);
SetMaterialTextureProperty(embeddedTexIdxs, r, pbrSG.diffuseTexture, aimat, aiTextureType_DIFFUSE);
SetMaterialTextureProperty(embeddedTexIdxs, r, pbrSG.specularGlossinessTexture, aimat, aiTextureType_SPECULAR);
}
}
}