std::shared_ptr<Material> FbxUtil::CreateMaterial(FbxSurfaceMaterial *fbxMaterial)
{
// a,d,s, Intensity(Factor), Shininess, Reflectivity, Transparency
//GetImplementation(material, FBXSDK_IMP)
FbxSurfacePhong *fbxPhong = static_cast<FbxSurfacePhong*>(fbxMaterial);
Material::Ptr material = Material::Create(fbxPhong->GetName());
// read uniforms
material->SetUniform(Material::SHININESS, Uniform1f::Create({ (float)fbxPhong->Shininess }));
material->SetUniform(Material::AMBIENT_FACTOR, Uniform1f::Create({ (float)fbxPhong->AmbientFactor }));
material->SetUniform(Material::DIFFUSE_FACTOR, Uniform1f::Create({ (float)fbxPhong->DiffuseFactor }));
material->SetUniform(Material::SPECULAR_FACTOR, Uniform1f::Create({ (float)fbxPhong->SpecularFactor }));
auto GetUniform3f = [](FbxPropertyT<FbxDouble3> &data) -> UniformBase::Ptr
{
return Uniform3f::Create({ (float)data.Get()[0], (float)data.Get()[1], (float)data.Get()[2] });
};
// read colors
material->SetUniform(Material::AMBIENT_COLOR, GetUniform3f(fbxPhong->Ambient));
material->SetUniform(Material::DIFFUSE_COLOR, GetUniform3f(fbxPhong->Diffuse));
material->SetUniform(Material::SPECULAR_COLOR, GetUniform3f(fbxPhong->Specular));
material->SetUniform(Material::MATERIAL_ID, Uniform1ui::Create({ material->GetID() }));
auto GetTexture = [&](FbxPropertyT<FbxDouble3> prop) -> Texture::Ptr
{
if (prop.IsValid() && prop.GetSrcObjectCount<FbxTexture>() > 0)
{
FbxTexture *fbxTexture = prop.GetSrcObject<FbxTexture>(0);
FbxFileTexture *fileTexture = FbxCast<FbxFileTexture>(fbxTexture);
if (fileTexture)
{
bool mipMap = (bool)fileTexture->UseMipMap;
std::string filePath = FileUtil::Instance()->GetAbsPath(fileTexture->GetRelativeFileName(), true);
auto texture = Texture::Create(fileTexture->GetName());
texture->SetFilterMode(mipMap ? FilterMode::LINEAR_MIPMAP_LINEAR : FilterMode::LINEAR);
texture->CreateFromImage(filePath, mipMap);
return texture;
}
else
{
LOGW << "FbxProceduralTexture not supported!";
}
}
return nullptr;
};
// read tetxures.
if(m_Options & Options::DIFFUSE_MAP)
material->SetTexture(Material::DIFFUSE_TEXTURE, GetTexture(fbxPhong->Diffuse));
if(m_Options & Options::SPECULAR_MAP)
material->SetTexture(Material::SPECULAR_TEXTURE, GetTexture(fbxPhong->Specular));
if(m_Options & Options::NORMAL_MAP)
material->SetTexture(Material::NORMAL_TEXTURE, GetTexture(fbxPhong->NormalMap));
LOGD << fbxMaterial->GetName();
return material;
}
