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Merge pull request #78206 from alula/node-count-in-group

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Add SceneTree.get_node_count_in_group()
This commit is contained in:
Yuri Sizov 2023-12-14 17:38:00 +01:00
commit 16d1d85a56
3 changed files with 19 additions and 0 deletions
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7
doc/classes/SceneTree.xml
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@ -122,6 +122,13 @@
Returns the number of nodes in this [SceneTree].
</description>
</method>
<method name="get_node_count_in_group" qualifiers="const">
<return type="int" />
<param index="0" name="group" type="StringName" />
<description>
Returns the number of nodes assigned to the given group.
</description>
</method>
<method name="get_nodes_in_group">
<return type="Node[]" />
<param index="0" name="group" type="StringName" />

11
scene/main/scene_tree.cpp
View file

@ -1302,6 +1302,16 @@ bool SceneTree::has_group(const StringName &p_identifier) const {
return group_map.has(p_identifier);
}
int SceneTree::get_node_count_in_group(const StringName &p_group) const {
_THREAD_SAFE_METHOD_
HashMap<StringName, Group>::ConstIterator E = group_map.find(p_group);
if (!E) {
return 0;
}
return E->value.nodes.size();
}
Node *SceneTree::get_first_node_in_group(const StringName &p_group) {
_THREAD_SAFE_METHOD_
HashMap<StringName, Group>::Iterator E = group_map.find(p_group);
@ -1617,6 +1627,7 @@ void SceneTree::_bind_methods() {
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("get_node_count_in_group", "group"), &SceneTree::get_node_count_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);

1
scene/main/scene_tree.h
View file

@ -385,6 +385,7 @@ public:
void get_nodes_in_group(const StringName &p_group, List<Node *> *p_list);
Node *get_first_node_in_group(const StringName &p_group);
bool has_group(const StringName &p_identifier) const;
int get_node_count_in_group(const StringName &p_group) const;
//void change_scene(const String& p_path);
//Node *get_loaded_scene();