- fbx: work on resolving material links.

code/FBXMeshGeometry.cpp

@@ -58,7 +58,7 @@ namespace FBX {
 	using namespace Util;
 
 // ------------------------------------------------------------------------------------------------
-MeshGeometry::MeshGeometry(uint64_t id, const Element& element, const std::string& name, const ImportSettings& settings)
+MeshGeometry::MeshGeometry(uint64_t id, const Element& element, const std::string& name, const Document& doc)
 : Geometry(id, element,name)
 {
 	const Scope* sc = element.Compound();
@@ -148,7 +148,7 @@ MeshGeometry::MeshGeometry(uint64_t id, const Element& element, const std::strin
 			DOMError(err,&element);
 		}
 
-		if(settings.readAllLayers || index == 0) {
+		if(doc.Settings().readAllLayers || index == 0) {
 			const Scope& layer = GetRequiredScope(*(*it).second);
 			ReadLayer(layer);
 		}
@@ -156,6 +156,8 @@ MeshGeometry::MeshGeometry(uint64_t id, const Element& element, const std::strin
 			FBXImporter::LogWarn("ignoring additional geometry layers");
 		}
 	}
+
+	ResolveMaterialLinks(element,doc);
 }
 
 
@@ -166,6 +168,37 @@ MeshGeometry::~MeshGeometry()
 }
 
 
+// ------------------------------------------------------------------------------------------------
+void MeshGeometry::ResolveMaterialLinks(const Element& element, const Document& doc)
+{
+	// resolve material
+	const std::vector<const Connection*>& conns = doc.GetConnectionsByDestinationSequenced(ID());
+
+	materials_resolved.reserve(conns.size());
+	BOOST_FOREACH(const Connection* con, conns) {
+
+		// material links should be Object-Object connections
+		if (con->PropertyName().length()) {
+			continue;
+		}
+
+		const Object* const ob = con->SourceObject();
+		if(!ob) {
+			DOMWarning("failed to read source object for material link, ignoring",&element);
+			continue;
+		}
+
+		const Material* const mat = dynamic_cast<const Material*>(ob);
+		if(!mat) {
+			DOMWarning("source object for material link is not a material, ignoring",&element);
+			continue;
+		}
+
+		materials_resolved.push_back(mat);
+	}
+}
+
+
 // ------------------------------------------------------------------------------------------------
 void MeshGeometry::ReadLayer(const Scope& layer)
 {