diff options
| -rw-r--r-- | doc/classes/Node.xml | 12 | ||||
| -rw-r--r-- | scene/main/node.cpp | 14 |
2 files changed, 26 insertions, 0 deletions
diff --git a/doc/classes/Node.xml b/doc/classes/Node.xml index d714fbc0d5..47be5695a0 100644 --- a/doc/classes/Node.xml +++ b/doc/classes/Node.xml @@ -726,6 +726,18 @@ </member> </members> <signals> + <signal name="child_entered_tree"> + <argument index="0" name="node" type="Node" /> + <description> + Emitted when a child node enters the scene tree, either because it entered on its own or because this node entered with it. + </description> + </signal> + <signal name="child_exited_tree"> + <argument index="0" name="node" type="Node" /> + <description> + Emitted when a child node exits the scene tree, either because it exited on its own or because this node exited. + </description> + </signal> <signal name="ready"> <description> Emitted when the node is ready. Comes after [method _ready] callback and follows the same rules. 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"); |