testing weights, still strange

code/ColladaExporter.cpp

@@ -1228,6 +1228,40 @@ void ColladaExporter::WriteSceneLibrary()
     for( size_t a = 0; a < mScene->mRootNode->mNumChildren; ++a )
         WriteNode( mScene, mScene->mRootNode->mChildren[a]);
 
+    for( size_t a = 0; a < mScene->mNumMeshes; ++a )
+    {
+        const aiMesh* mesh = mScene->mMeshes[a];
+        const std::string idstr = GetMeshId( a);
+        const std::string idstrEscaped = XMLEscape(idstr);
+
+        if ( mesh->mNumFaces == 0 || mesh->mNumVertices == 0 )
+            continue;
+
+        if ( mesh->mNumBones == 0 )
+            continue;
+
+        const std::string mesh_name_escaped = XMLEscape(mesh->mName.C_Str());
+        mOutput << startstr
+                << "<node id=\"" << mesh_name_escaped << "_armature"
+                << "\" name=\"" << mesh_name_escaped << "_armature"
+                << "\" type=\"NODE\">"
+                << endstr;
+        PushTag();
+
+        mOutput << startstr
+                << "<instance_controller url=\"#" << idstrEscaped << "-skin\">"
+                << endstr;
+        PushTag();
+
+        mOutput << startstr << "<skeleton>#skeleton_root</skeleton>" << endstr;
+
+        PopTag();
+        mOutput << startstr << "</instance_controller>" << endstr;
+
+        PopTag();
+        mOutput << startstr << "</node>" << endstr;
+    }
+
     PopTag();
     mOutput << startstr << "</visual_scene>" << endstr;
     PopTag();
@@ -1264,15 +1298,23 @@ void ColladaExporter::WriteNode( const aiScene* pScene, aiNode* pNode)
     // If the node is associated with a bone, it is a joint node (JOINT)
     // otherwise it is a normal node (NODE)
     const char * node_type;
+    bool is_joint, is_skeleton_root = false;
     if (NULL == findBone(pScene, pNode->mName.C_Str())) {
         node_type = "NODE";
+        is_joint = false;
     } else {
         node_type = "JOINT";
+        is_joint = true;
+        if(!pNode->mParent || NULL == findBone(pScene, pNode->mParent->mName.C_Str()))
+            is_skeleton_root = true;
     }
 
     const std::string node_name_escaped = XMLEscape(pNode->mName.data);
     mOutput << startstr
-            << "<node id=\"" << node_name_escaped
+            << "<node ";
+    if(is_skeleton_root)
+        mOutput << "id=\"" << "#skeleton_root" << "\" "; // For now, only support one skeleton in a scene.
+    mOutput << (is_joint ? "s" : "") << "id=\"" << node_name_escaped
             << "\" name=\"" << node_name_escaped
             << "\" type=\"" << node_type
             << "\">" << endstr;