bool EditorData::check_and_update_scene(int p_idx) {
ERR_FAIL_INDEX_V(p_idx,edited_scene.size(),false);
if (!edited_scene[p_idx].root)
return false;
Set<String> checked_scenes;
bool must_reload = _find_updated_instances(edited_scene[p_idx].root,edited_scene[p_idx].root,checked_scenes);
if (must_reload) {
Ref<PackedScene> pscene;
pscene.instance();
EditorProgress ep("update_scene","Updating Scene",2);
ep.step("Storing local changes..",0);
//pack first, so it stores diffs to previous version of saved scene
Error err = pscene->pack(edited_scene[p_idx].root);
ERR_FAIL_COND_V(err!=OK,false);
ep.step("Updating scene..",1);
Node *new_scene = pscene->instance(true);
ERR_FAIL_COND_V(!new_scene,false);
//transfer selection
List<Node*> new_selection;
for (List<Node*>::Element *E=edited_scene[p_idx].selection.front();E;E=E->next()) {
NodePath p = edited_scene[p_idx].root->get_path_to(E->get());
Node *new_node = new_scene->get_node(p);
if (new_node)
new_selection.push_back(new_node);
}
new_scene->set_filename( edited_scene[p_idx].root->get_filename() );
memdelete(edited_scene[p_idx].root);
edited_scene[p_idx].root=new_scene;
edited_scene[p_idx].selection=new_selection;
return true;
}
return false;
}
bool EditorData::_find_updated_instances(Node *p_root, Node *p_node, Set<String> &checked_paths) {
/*
if (p_root!=p_node && p_node->get_owner()!=p_root && !p_root->is_editable_instance(p_node->get_owner()))
return false;
*/
Ref<SceneState> ss;
if (p_node == p_root) {
ss = p_node->get_scene_inherited_state();
} else if (p_node->get_filename() != String()) {
ss = p_node->get_scene_instance_state();
}
if (ss.is_valid()) {
String path = ss->get_path();
if (!checked_paths.has(path)) {
uint64_t modified_time = FileAccess::get_modified_time(path);
if (modified_time != ss->get_last_modified_time()) {
return true; //external scene changed
}
checked_paths.insert(path);
}
}
for (int i = 0; i < p_node->get_child_count(); i++) {
bool found = _find_updated_instances(p_root, p_node->get_child(i), checked_paths);
if (found)
return true;
}
return false;
}
