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| 128 | |
| 129 | // ------------------------------------------------------------------------------------------------ |
| 130 | unsigned int ProcessMaterials(uint64_t id, unsigned int prevMatId, ConversionData& conv, bool forceDefaultMat) { |
| 131 | STEP::DB::RefMapRange range = conv.db.GetRefs().equal_range(id); |
| 132 | for(;range.first != range.second; ++range.first) { |
| 133 | if(const IFC::Schema_2x3::IfcStyledItem* const styled = conv.db.GetObject((*range.first).second)->ToPtr<IFC::Schema_2x3::IfcStyledItem>()) { |
| 134 | for(const IFC::Schema_2x3::IfcPresentationStyleAssignment& as : styled->Styles) { |
| 135 | for (const std::shared_ptr<const IFC::Schema_2x3::IfcPresentationStyleSelect> &sel : as.Styles) { |
| 136 | |
| 137 | if( const IFC::Schema_2x3::IfcSurfaceStyle* const surf = sel->ResolveSelectPtr<IFC::Schema_2x3::IfcSurfaceStyle>(conv.db) ) { |
| 138 | // try to satisfy from cache |
| 139 | ConversionData::MaterialCache::iterator mit = conv.cached_materials.find(surf); |
| 140 | if( mit != conv.cached_materials.end() ) |
| 141 | return mit->second; |
| 142 | |
| 143 | // not found, create new material |
| 144 | const std::string side = static_cast<std::string>(surf->Side); |
| 145 | if( side != "BOTH" ) { |
| 146 | IFCImporter::LogWarn("ignoring surface side marker on IFC::IfcSurfaceStyle: ", side); |
| 147 | } |
| 148 | |
| 149 | std::unique_ptr<aiMaterial> mat(new aiMaterial()); |
| 150 | |
| 151 | FillMaterial(mat.get(), surf, conv); |
| 152 | |
| 153 | conv.materials.push_back(mat.release()); |
| 154 | unsigned int matindex = static_cast<unsigned int>(conv.materials.size() - 1); |
| 155 | conv.cached_materials[surf] = matindex; |
| 156 | return matindex; |
| 157 | } |
| 158 | } |
| 159 | } |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | // no local material defined. If there's global one, use that instead |
| 164 | if ( prevMatId != std::numeric_limits<uint32_t>::max() ) { |
| 165 | return prevMatId; |
| 166 | } |
| 167 | |
| 168 | // we're still here - create an default material if required, or simply fail otherwise |
| 169 | if ( !forceDefaultMat ) { |
| 170 | return std::numeric_limits<uint32_t>::max(); |
| 171 | } |
| 172 | |
| 173 | aiString name; |
| 174 | name.Set("<IFCDefault>"); |
| 175 | |
| 176 | // look if there's already a default material with this base color |
| 177 | for( size_t a = 0; a < conv.materials.size(); ++a ) { |
| 178 | aiString mname; |
| 179 | conv.materials[a]->Get(AI_MATKEY_NAME, mname); |
| 180 | if ( name == mname ) { |
| 181 | return ( unsigned int )a; |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | // we're here, yet - no default material with suitable color available. Generate one |
| 186 | std::unique_ptr<aiMaterial> mat(new aiMaterial()); |
| 187 | mat->AddProperty(&name,AI_MATKEY_NAME); |
no test coverage detected