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[3.x] Add SceneTree::get_first_node_in_group following 4.x

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This commit is contained in:
SysError99
2024-01-25 00:05:19 +07:00
parent 584dc09ff8
commit 99284482bc
3 changed files with 24 additions and 0 deletions
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16
scene/main/scene_tree.cpp
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@@ -1230,6 +1230,21 @@ Array SceneTree::_get_nodes_in_group(const StringName &p_group) {
return ret;
}
Node *SceneTree::_get_first_node_in_group(const StringName &p_group) {
Map<StringName, Group>::Element *E = group_map.find(p_group);
if (!E) {
return nullptr; // No group.
}
_update_group_order(E->get()); // Update order just in case.
if (E->get().nodes.empty()) {
return nullptr;
}
return E->get().nodes[0];
}
bool SceneTree::has_group(const StringName &p_identifier) const {
return group_map.has(p_identifier);
}
@@ -2093,6 +2108,7 @@ void SceneTree::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_group", "group", "property", "value"), &SceneTree::set_group);
ClassDB::bind_method(D_METHOD("get_nodes_in_group", "group"), &SceneTree::_get_nodes_in_group);
ClassDB::bind_method(D_METHOD("get_first_node_in_group", "group"), &SceneTree::_get_first_node_in_group);
ClassDB::bind_method(D_METHOD("set_current_scene", "child_node"), &SceneTree::set_current_scene);
ClassDB::bind_method(D_METHOD("get_current_scene"), &SceneTree::get_current_scene);