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Add SceneTree.get_node_count_in_group() #78206

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merged 1 commit into from
Dec 14, 2023
Merged

Add SceneTree.get_node_count_in_group() #78206

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7 changes: 7 additions & 0 deletions doc/classes/SceneTree.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -117,6 +117,13 @@
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" />
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11 changes: 11 additions & 0 deletions scene/main/scene_tree.cpp
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Expand Up @@ -1301,6 +1301,16 @@ 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);
Expand Down Expand Up @@ -1589,6 +1599,7 @@ 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);
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1 change: 1 addition & 0 deletions scene/main/scene_tree.h
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Expand Up @@ -392,6 +392,7 @@ class SceneTree : public MainLoop {
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();
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