+ // material edits
+ struct ts_node *child = node->child_list;
+ while(child) {
+ MaterialEdit medit;
+ if(proc_mtledit(mscn, &medit, child)) {
+ sdat->mtledit.push_back(medit);
+ }
+ child = child->next;
+ }
+
+ Scene *newscn = sceneman.get(fname);
+ /* NOTE: setting all these after get() is not a race condition, because
+ * scene_loaded() which uses this, will only run in our main loop during
+ * SceneSet::update() on the main thread.
+ */
+ newscn->datamap = mscn->datamap;
+ mscn->datamap.clear();
+
+ newscn->metascn = mscn;
+ mscn->scndata[newscn] = sdat;
+ }
+ return true;
+}
+
+bool MetaScene::scene_loaded(Scene *newscn)
+{
+ SceneData *sdat = (SceneData*)scndata[newscn];
+ if(!sdat) {
+ error_log("MetaScene::scene_loaded called, but corresponding SceneData not found\n");
+ return false;
+ }
+
+ // extract the walk mesh if necessary
+ Scene *wscn;
+ if(!sdat->walkmesh_regexp.empty() && (wscn = newscn->extract_nodes(sdat->walkmesh_regexp.c_str()))) {
+ // apply all transformations to the meshes
+ wscn->apply_xform();
+
+ int nmeshes = wscn->meshes.size();
+ for(int i=0; i<nmeshes; i++) {
+ Mesh *m = wscn->meshes[i];
+
+ if(walk_mesh) {
+ walk_mesh->append(*m);
+ } else {
+ walk_mesh = m;
+ wscn->remove_mesh(m); // to save it from destruction
+ }