bool FArchiveXML::LoadGeometryInstance(FCDObject* object, xmlNode* instanceNode) { if (!FArchiveXML::LoadEntityInstance(object, instanceNode)) return false; bool status = true; FCDGeometryInstance* geometryInstance = (FCDGeometryInstance*)object; // Look for the <bind_material> element. The others are discarded for now. xmlNode* bindMaterialNode = FindChildByType(instanceNode, DAE_BINDMATERIAL_ELEMENT); if (bindMaterialNode != NULL) { for (xmlNode* child = bindMaterialNode->children; child != NULL; child = child->next) { if (child->type != XML_ELEMENT_NODE) continue; if (IsEquivalent(child->name, DAE_PARAMETER_ELEMENT)) { FCDEffectParameter* parameter = geometryInstance->AddEffectParameter(FArchiveXML::GetEffectParameterType(child)); parameter->SetAnimator(); status &= FArchiveXML::LoadSwitch(parameter, ¶meter->GetObjectType(), child); } } // Retrieve the list of the <technique_common><instance_material> elements. xmlNode* techniqueNode = FindChildByType(bindMaterialNode, DAE_TECHNIQUE_COMMON_ELEMENT); xmlNodeList materialNodes; FindChildrenByType(techniqueNode, DAE_INSTANCE_MATERIAL_ELEMENT, materialNodes); for (xmlNodeList::iterator itM = materialNodes.begin(); itM != materialNodes.end(); ++itM) { FCDMaterialInstance* material = geometryInstance->AddMaterialInstance(); status &= (FArchiveXML::LoadMaterialInstance(material, *itM)); } } else { // Blinding attempt to use the material semantic from the polygons as a material id. FCDGeometry* geometry = (FCDGeometry*) geometryInstance->GetEntity(); if (geometry != NULL && geometry->HasType(FCDGeometry::GetClassType()) && geometry->IsMesh()) { FCDGeometryMesh* mesh = geometry->GetMesh(); size_t polyCount = mesh->GetPolygonsCount(); for (size_t i = 0; i < polyCount; ++i) { FCDGeometryPolygons* polys = mesh->GetPolygons(i); const fstring& semantic = polys->GetMaterialSemantic(); fm::string semanticUTF8 = TO_STRING(semantic); semanticUTF8 = FCDObjectWithId::CleanId(semanticUTF8.c_str()); FCDMaterial* material = geometry->GetDocument()->FindMaterial(semanticUTF8); if (material != NULL) { geometryInstance->AddMaterialInstance(material, polys); } } } } geometryInstance->SetDirtyFlag(); return status; }