Merge 0fc11bf05b into 60a767032e

Fix invalid access errors on exit in LimboHSM

editor/tree_search.cpp

@@ -35,6 +35,7 @@
 #include <godot_cpp/classes/style_box_flat.hpp>
 #include <godot_cpp/classes/viewport.hpp>
 #include <godot_cpp/core/math.hpp>
+
 #endif // LIMBOAI_GDEXTENSION
 
 #define UPPER_BOUND (1 << 15) // for substring search.
@@ -58,14 +59,16 @@ void TreeSearchPanel::_initialize_controls() {
 	this->set_anchors_and_offsets_preset(LayoutPreset::PRESET_BOTTOM_WIDE);
 	this->set_v_size_flags(SIZE_SHRINK_CENTER); // Do not expand vertically
 
-	// hack add separator to the left so line edit doesn't clip.
 	line_edit_search->set_h_size_flags(SIZE_EXPAND_FILL);
 
 	_add_spacer(0.25); // otherwise the lineedits expand margin touches the left border.
 	add_child(line_edit_search);
+	_add_spacer(0.25);
+
 	add_child(check_button_filter_highlight);
 	add_child(label_filter);
-	_add_spacer();
+
+	_add_spacer(0.25);
 	add_child(close_button);
 	_add_spacer(0.25);
 }
@@ -364,7 +367,6 @@ TreeSearch::StringSearchIndices TreeSearch::_substring_bounds(const String &p_se
 void TreeSearch::_select_item(TreeItem *p_item) {
 	if (!p_item)
 		return;
-	tree_reference->set_selected(p_item, 0);
 
 	// first unfold ancestors
 	TreeItem *ancestor = p_item->get_parent();
@@ -373,9 +375,13 @@ void TreeSearch::_select_item(TreeItem *p_item) {
 		ancestor->set_collapsed(false);
 		ancestor = ancestor->get_parent();
 	}
+
 	//then scroll to [item]
 	tree_reference->scroll_to_item(p_item);
 
+	// ...and select it
+	tree_reference->deselect_all();
+	tree_reference->set_selected(p_item, 0);
 }
 
 void TreeSearch::_select_first_match() {

editor/tree_search.h

@@ -95,7 +95,6 @@ private:
 	void _update_ordered_tree_items(TreeItem *p_tree_item);
 	void _update_number_matches();
 
-
 	Vector<TreeItem *> _find_matching_entries(TreeItem *p_tree_item, const String &p_search_mask, Vector<TreeItem *> &p_buffer);
 	StringSearchIndices _substring_bounds(const String &p_searchable, const String &p_search_mask) const;
 
@@ -105,6 +104,7 @@ private:
 
 	template <typename T>
 	bool _vector_has_bsearch(Vector<T *> p_vec, T *element);
+
 protected:
 	static void _bind_methods() {}
 
@@ -119,5 +119,3 @@ public:
 
 #endif // TREE_SEARCH_H
 #endif // ! TOOLS_ENABLED
-
-

hsm/limbo_hsm.cpp

@@ -263,6 +263,21 @@ void LimboHSM::_validate_property(PropertyInfo &p_property) const {
 void LimboHSM::_notification(int p_what) {
 	switch (p_what) {
 		case NOTIFICATION_POST_ENTER_TREE: {
+			if (was_active && is_root()) {
+				// Re-activate the root HSM if it was previously active.
+				// Typically, this happens when the node is re-entered scene repeatedly (e.g., re-parenting, pooling).
+				set_active(true);
+			}
+		} break;
+		case NOTIFICATION_EXIT_TREE: {
+			if (is_root()) {
+				// Remember active status for re-parenting and exit state machine
+				// to release resources and signal connections if active.
+				was_active = active;
+				if (is_active()) {
+					_exit();
+				}
+			}
 		} break;
 		case NOTIFICATION_PROCESS: {
 			_update(get_process_delta_time());

hsm/limbo_hsm.h

@@ -55,6 +55,7 @@ private:
 	LimboState *previous_active;
 	LimboState *next_active;
 	bool updating = false;
+	bool was_active = false;
 
 	HashMap<TransitionKey, Transition, TransitionKeyHasher> transitions;
 

hsm/limbo_state.cpp

@@ -190,11 +190,6 @@ void LimboState::_notification(int p_what) {
 				_update_blackboard_plan();
 			}
 		} break;
-		case NOTIFICATION_PREDELETE: {
-			if (is_active()) {
-				_exit();
-			}
-		} break;
 	}
 }