diff options
| author | reduz <reduzio@gmail.com> | 2022-02-02 11:22:11 +0100 |
|---|---|---|
| committer | reduz <reduzio@gmail.com> | 2022-02-02 11:28:11 +0100 |
| commit | fbd9599b04086faefbf9796c41869dddbb6abf37 (patch) | |
| tree | 6960926d8845b6213877f2370efdd0741660c42d /scene/main | |
| parent | 050908626f64c0c984e078055215c8b5f6231ce3 (diff) | |
Add a signal to notify when children nodes enter or exit tree
-Allows more fine grained notifications (hence better performance) than using the global scene tree signals (node added and removed).
-Required for #55950
Diffstat (limited to 'scene/main')
| -rw-r--r-- | scene/main/node.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/scene/main/node.cpp b/scene/main/node.cpp index a2415442f8..2665a5695b 100644 --- a/scene/main/node.cpp +++ b/scene/main/node.cpp @@ -211,6 +211,12 @@ void Node::_propagate_enter_tree() { data.tree->node_added(this); + if (data.parent) { + Variant c = this; + const Variant *cptr = &c; + data.parent->emit_signal(SNAME("child_entered_tree"), &cptr, 1); + } + data.blocked++; //block while adding children @@ -281,6 +287,12 @@ void Node::_propagate_exit_tree() { data.tree->node_removed(this); } + if (data.parent) { + Variant c = this; + const Variant *cptr = &c; + data.parent->emit_signal(SNAME("child_exited_tree"), &cptr, 1); + } + // exit groups for (KeyValue<StringName, GroupData> &E : data.grouped) { @@ -2865,6 +2877,8 @@ void Node::_bind_methods() { ADD_SIGNAL(MethodInfo("tree_entered")); ADD_SIGNAL(MethodInfo("tree_exiting")); ADD_SIGNAL(MethodInfo("tree_exited")); + ADD_SIGNAL(MethodInfo("child_entered_tree", PropertyInfo(Variant::OBJECT, "node", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT, "Node"))); + ADD_SIGNAL(MethodInfo("child_exited_tree", PropertyInfo(Variant::OBJECT, "node", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT, "Node"))); ADD_PROPERTY(PropertyInfo(Variant::STRING_NAME, "name", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NONE), "set_name", "get_name"); ADD_PROPERTY(PropertyInfo(Variant::STRING, "scene_file_path", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NONE), "set_scene_file_path", "get_scene_file_path"); |