Fix up scene loading. pugixml is a breadth-first parser while irrxml is

a depth first. This only parses scene structure, no mesh loading yet.

code/AssetLib/Irr/IRRMeshLoader.cpp

@@ -176,7 +176,7 @@ void IRRMeshImporter::InternReadFile(const std::string &pFile,
                     ASSIMP_LOG_WARN("IRRMESH: Only one material description per buffer, please");
                     releaseMaterial(&curMat);
                 }
-                curMat = ParseMaterial(curMatFlags);
+                // curMat = ParseMaterial(curMatFlags);
             }
             /* no else here! */ if (!ASSIMP_stricmp(child.name(), "vertices")) {
                 pugi::xml_attribute attr = child.attribute("vertexCount");
@@ -495,4 +495,8 @@ void IRRMeshImporter::InternReadFile(const std::string &pFile,
     }
 }
 
+void IRRMeshImporter::ParseMaterialBuffer(pugi::xml_node& bufferNode) {
+
+}
+
 #endif // !! ASSIMP_BUILD_NO_IRRMESH_IMPORTER