Merge pull request #26748 from raphael10241024/instance

Fix editor crash when saving a scene containing an inherited scene instance.
This commit is contained in:
Rémi Verschelde 2019-06-19 16:28:15 +02:00 committed by GitHub
commit ddba2e7b47
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 29 additions and 1 deletions

View file

@ -269,7 +269,7 @@ void SceneTreeDock::_replace_with_branch_scene(const String &p_file, Node *base)
bool SceneTreeDock::_cyclical_dependency_exists(const String &p_target_scene_path, Node *p_desired_node) {
int childCount = p_desired_node->get_child_count();
if (p_desired_node->get_filename() == p_target_scene_path) {
if (_track_inherit(p_target_scene_path, p_desired_node)) {
return true;
}
@ -284,6 +284,33 @@ bool SceneTreeDock::_cyclical_dependency_exists(const String &p_target_scene_pat
return false;
}
bool SceneTreeDock::_track_inherit(const String &p_target_scene_path, Node *p_desired_node) {
Node *p = p_desired_node;
bool result = false;
Vector<Node *> instances;
while (true) {
if (p->get_filename() == p_target_scene_path) {
result = true;
break;
}
Ref<SceneState> ss = p->get_scene_inherited_state();
if (ss.is_valid()) {
String path = ss->get_path();
Ref<PackedScene> data = ResourceLoader::load(path);
if (data.is_valid()) {
p = data->instance(PackedScene::GEN_EDIT_STATE_INSTANCE);
instances.push_back(p);
} else
break;
} else
break;
}
for (int i = 0; i < instances.size(); i++) {
memdelete(instances[i]);
}
return result;
}
void SceneTreeDock::_tool_selected(int p_tool, bool p_confirm_override) {
current_option = p_tool;

View file

@ -165,6 +165,7 @@ class SceneTreeDock : public VBoxContainer {
void _script_open_request(const Ref<Script> &p_script);
bool _cyclical_dependency_exists(const String &p_target_scene_path, Node *p_desired_node);
bool _track_inherit(const String &p_target_scene_path, Node *p_desired_node);
void _node_selected();
void _node_renamed();