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Adjust material import

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This commit is contained in:
kaetemi 2015-09-21 15:53:12 +02:00
parent 3c9dd316fe
commit cd7ec515ba
1 changed files with 17 additions and 23 deletions
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40
code/nel/tools/3d/mesh_utils/assimp_material.cpp
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@ -38,7 +38,7 @@ using namespace NL3D;
// http://assimp.sourceforge.net/lib_html/materials.html // http://assimp.sourceforge.net/lib_html/materials.html
inline CRGBA convColor(const aiColor3D &ac) inline CRGBA convColor(const aiColor3D &ac, uint8 a = 255)
{ {
return CRGBA(ac.r * 255.99f, ac.g * 255.99f, ac.b * 255.99f); return CRGBA(ac.r * 255.99f, ac.g * 255.99f, ac.b * 255.99f);
} }
@ -73,35 +73,29 @@ void assimpMaterial(NL3D::CMaterial &mat, CMeshUtilsContext &context, const aiMa
break; break;
} }
// Colors follow GL convention
// "While the ambient, diffuse, specular and emission
// "material parameters all have alpha components, only the diffuse"
// "alpha component is used in the lighting computation."
if (am->Get(AI_MATKEY_COLOR_DIFFUSE, c3) == aiReturn_SUCCESS)
mat.setDiffuse(convColor(c3));
if (am->Get(AI_MATKEY_OPACITY, f) == aiReturn_SUCCESS) if (am->Get(AI_MATKEY_OPACITY, f) == aiReturn_SUCCESS)
mat.setOpacity(f * 255.99f); mat.setOpacity(f * 255.99f);
if (am->Get(AI_MATKEY_SHININESS, f) == aiReturn_SUCCESS)
mat.setShininess(f); // OR (float)pow(2.0, shininess * 10.0) * 4.f ??
if (am->Get(AI_MATKEY_COLOR_DIFFUSE, c3) == aiReturn_SUCCESS)
{
CRGBA diffuse = convColor(c3);
diffuse.A = mat.getOpacity();
mat.setDiffuse(diffuse);
}
if (am->Get(AI_MATKEY_COLOR_AMBIENT, c3) == aiReturn_SUCCESS) if (am->Get(AI_MATKEY_COLOR_AMBIENT, c3) == aiReturn_SUCCESS)
mat.setAmbient(convColor(c3)); mat.setAmbient(convColor(c3));
if (am->Get(AI_MATKEY_SHININESS, f) == aiReturn_SUCCESS)
mat.setShininess(f); // (float)pow(2.0, f * 10.0) * 4.f;
if (am->Get(AI_MATKEY_COLOR_SPECULAR, c3) == aiReturn_SUCCESS) if (am->Get(AI_MATKEY_COLOR_SPECULAR, c3) == aiReturn_SUCCESS)
{ mat.setSpecular(convColor(c3));
CRGBA specular = convColor(c3);
if (am->Get(AI_MATKEY_SHININESS_STRENGTH, f) == aiReturn_SUCCESS) if (am->Get(AI_MATKEY_SHININESS_STRENGTH, f) == aiReturn_SUCCESS)
{ mat.setSpecular(CRGBAF(mat.getSpecular()) * f);
CRGBAF fColor = specular; else
fColor *= f; mat.setSpecular(NLMISC::CRGBA::Black);
uint8 a = specular.A;
specular = fColor;
specular.A = a;
}
mat.setSpecular(specular);
}
if (am->Get(AI_MATKEY_COLOR_EMISSIVE, c3) == aiReturn_SUCCESS) if (am->Get(AI_MATKEY_COLOR_EMISSIVE, c3) == aiReturn_SUCCESS)
mat.setEmissive(convColor(c3)); mat.setEmissive(convColor(c3));