Merge cb163ebc38 into 60a767032e

Fix invalid access errors on exit in LimboHSM

editor/tree_search.cpp

@@ -39,96 +39,6 @@
 
 #define UPPER_BOUND (1 << 15) // for substring search.
 
-/* ------- TreeSearchPanel ------- */
-
-void TreeSearchPanel::_initialize_controls() {
-	line_edit_search = memnew(LineEdit);
-	check_button_filter_highlight = memnew(CheckBox);
-	close_button = memnew(Button);
-	label_filter = memnew(Label);
-
-	line_edit_search->set_placeholder(TTR("Search tree"));
-
-	label_filter->set_text(TTR("Filter"));
-
-	close_button->set_theme_type_variation("FlatButton");
-
-	// positioning and sizing
-	set_anchors_and_offsets_preset(LayoutPreset::PRESET_BOTTOM_WIDE);
-	set_v_size_flags(SIZE_SHRINK_CENTER); // Do not expand vertically
-
-	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(0.25);
-	add_child(close_button);
-	_add_spacer(0.25);
-}
-
-void TreeSearchPanel::_add_spacer(float p_width_multiplier) {
-	Control *spacer = memnew(Control);
-	spacer->set_custom_minimum_size(Vector2(8.0 * EDSCALE * p_width_multiplier, 0.0));
-	add_child(spacer);
-}
-
-void TreeSearchPanel::_notification(int p_what) {
-	switch (p_what) {
-		case NOTIFICATION_READY: {
-			BUTTON_SET_ICON(close_button, get_theme_icon(LW_NAME(Close), LW_NAME(EditorIcons)));
-
-			// close callbacks
-			close_button->connect("pressed", Callable(this, "set_visible").bind(false));
-			close_button->set_shortcut(LW_GET_SHORTCUT("limbo_ai/hide_tree_search"));
-
-			// search callbacks
-			Callable c_update_requested = Callable(this, "emit_signal").bind("update_requested");
-			Callable c_text_submitted = Callable((Object *)this, "emit_signal").bind("text_submitted");
-
-			line_edit_search->connect("text_changed", c_update_requested.unbind(1));
-			check_button_filter_highlight->connect("pressed", c_update_requested);
-			line_edit_search->connect("text_submitted", c_text_submitted.unbind(1));
-			break;
-		}
-	}
-}
-
-void TreeSearchPanel::_bind_methods() {
-	ADD_SIGNAL(MethodInfo("update_requested"));
-	ADD_SIGNAL(MethodInfo("text_submitted"));
-}
-
-TreeSearchPanel::TreeSearchPanel() {
-	_initialize_controls();
-	set_visible(false);
-}
-
-TreeSearch::TreeSearchMode TreeSearchPanel::get_search_mode() {
-	if (!check_button_filter_highlight || !check_button_filter_highlight->is_pressed()) {
-		return TreeSearch::TreeSearchMode::HIGHLIGHT;
-	}
-	return TreeSearch::TreeSearchMode::FILTER;
-}
-
-String TreeSearchPanel::get_text() {
-	if (!line_edit_search) {
-		return String();
-	}
-	return line_edit_search->get_text();
-}
-
-void TreeSearchPanel::show_and_focus() {
-	set_visible(true);
-	line_edit_search->grab_focus();
-}
-
-/* !TreeSearchPanel */
-
 /* ------- TreeSearch ------- */
 
 void TreeSearch::_filter_tree(const String &p_search_mask) {
@@ -221,11 +131,11 @@ void TreeSearch::_draw_highlight_item(TreeItem *p_tree_item, Rect2 p_rect, Calla
 		Vector2 substring_before_size = font->get_string_size(substring_before, HORIZONTAL_ALIGNMENT_LEFT, -1.f, font_size);
 
 		// stylebox
-		Ref<StyleBox> stylebox = p_tree_item->get_tree()->get_theme_stylebox("Focus");
+		Ref<StyleBox> stylebox = p_tree_item->get_tree()->get_theme_stylebox(LW_NAME(Focus));
 		ERR_FAIL_NULL(stylebox);
 
 		// extract separation
-		float h_sep = p_tree_item->get_tree()->get_theme_constant("h_separation");
+		float h_sep = p_tree_item->get_tree()->get_theme_constant(LW_NAME(h_separation));
 
 		// compose draw rect
 		const Vector2 PADDING = Vector2(4., 2.);
@@ -246,9 +156,9 @@ void TreeSearch::_draw_highlight_item(TreeItem *p_tree_item, Rect2 p_rect, Calla
 	// second part: draw number
 	int num_mat = number_matches.has(p_tree_item) ? number_matches.get(p_tree_item) : 0;
 	if (num_mat > 0) {
-		float h_sep = p_tree_item->get_tree()->get_theme_constant("h_separation");
-		Ref<Font> font = tree_reference->get_theme_font("font");
-		float font_size = tree_reference->get_theme_font_size("font") * 0.75;
+		float h_sep = p_tree_item->get_tree()->get_theme_constant(LW_NAME(h_separation));
+		Ref<Font> font = tree_reference->get_theme_font(LW_NAME(font));
+		float font_size = tree_reference->get_theme_font_size(LW_NAME(font)) * 0.75;
 
 		String num_string = String::num_int64(num_mat);
 		Vector2 string_size = font->get_string_size(num_string, HORIZONTAL_ALIGNMENT_CENTER, -1, font_size);
@@ -263,7 +173,8 @@ void TreeSearch::_draw_highlight_item(TreeItem *p_tree_item, Rect2 p_rect, Calla
 
 void TreeSearch::_update_matching_entries(const String &p_search_mask) {
 	Vector<TreeItem *> accum;
-	matching_entries = _find_matching_entries(tree_reference->get_root(), p_search_mask, accum);
+	_find_matching_entries(tree_reference->get_root(), p_search_mask, accum);
+	matching_entries = accum;
 }
 
 /* this linearizes the tree into [ordered_tree_items] like so:
@@ -294,8 +205,8 @@ void TreeSearch::_update_number_matches() {
 	for (int i = 0; i < matching_entries.size(); i++) {
 		TreeItem *item = matching_entries[i];
 		while (item) {
-			int old_num_value = number_matches.has(item) ? number_matches.get(item) : 0;
-			number_matches[item] = old_num_value + 1;
+			int previous_match_cnt = number_matches.has(item) ? number_matches.get(item) : 0;
+			number_matches[item] = previous_match_cnt + 1;
 			item = item->get_parent();
 		}
 	}
@@ -306,13 +217,14 @@ String TreeSearch::_get_search_mask() {
 	return search_panel->get_text();
 }
 
-Vector<TreeItem *> TreeSearch::_find_matching_entries(TreeItem *p_tree_item, const String &p_search_mask, Vector<TreeItem *> &p_accum) {
-	if (!p_tree_item)
-		return p_accum;
+void TreeSearch::_find_matching_entries(TreeItem *p_tree_item, const String &p_search_mask, Vector<TreeItem *> &p_accum) {
+	if (!p_tree_item) {
+		return;
+	}
 	StringSearchIndices item_search_indices = _substring_bounds(p_tree_item->get_text(0), p_search_mask);
-	if (item_search_indices.hit())
+	if (item_search_indices.hit()) {
 		p_accum.push_back(p_tree_item);
-
+	}
 	for (int i = 0; i < p_tree_item->get_child_count(); i++) {
 		TreeItem *child = p_tree_item->get_child(i);
 		_find_matching_entries(child, p_search_mask, p_accum);
@@ -323,7 +235,7 @@ Vector<TreeItem *> TreeSearch::_find_matching_entries(TreeItem *p_tree_item, con
 		p_accum.sort();
 	}
 
-	return p_accum;
+	return;
 }
 
 // Returns the lower and upper bounds of a substring. Does fuzzy search: Simply looks if words exist in right ordering.
@@ -341,8 +253,10 @@ TreeSearch::StringSearchIndices TreeSearch::_substring_bounds(const String &p_se
 	// Determine if the search should be case-insensitive.
 	bool is_case_insensitive = (p_search_mask == p_search_mask.to_lower());
 	String searchable_processed = is_case_insensitive ? p_searchable.to_lower() : p_searchable;
+
 	PackedStringArray words = p_search_mask.split(" ");
 	int word_position = 0;
+
 	for (const String &word : words) {
 		if (word.is_empty()) {
 			continue; // Skip empty words.
@@ -394,7 +308,6 @@ void TreeSearch::_select_first_match() {
 		if (!_vector_has_bsearch(matching_entries, item)) {
 			continue;
 		}
-		String debug_string = "[";
 		_select_item(item);
 		return;
 	}
@@ -419,15 +332,13 @@ void TreeSearch::_select_next_match() {
 	}
 
 	// find the best fitting entry.
-	for (int i = 0; i < ordered_tree_items.size(); i++) {
+	for (int i = MAX(0, selected_idx) + 1; i < ordered_tree_items.size(); i++) {
 		TreeItem *item = ordered_tree_items[i];
-		if (!_vector_has_bsearch(matching_entries, item) || selected_idx >= i) {
-			continue;
-		}
-
+		if (_vector_has_bsearch(matching_entries, item)) {
 			_select_item(item);
 			return;
 		}
+	}
 	_select_first_match(); // wrap around.
 }
 
@@ -470,9 +381,6 @@ void TreeSearch::update_search(Tree *p_tree) {
 	_update_number_matches();
 
 	_highlight_tree(search_mask);
-	if (!search_panel->is_connected("text_submitted", callable_mp(this, &TreeSearch::_select_next_match))) {
-		search_panel->connect("text_submitted", callable_mp(this, &TreeSearch::_select_next_match));
-	}
 
 	if (search_mode == TreeSearchMode::FILTER) {
 		_filter_tree(search_mask);
@@ -481,8 +389,100 @@ void TreeSearch::update_search(Tree *p_tree) {
 
 TreeSearch::TreeSearch(TreeSearchPanel *p_search_panel) {
 	search_panel = p_search_panel;
+	search_panel->connect("text_submitted", callable_mp(this, &TreeSearch::_select_next_match));
 }
 
 /* !TreeSearch */
 
+/* ------- TreeSearchPanel ------- */
+
+void TreeSearchPanel::_initialize_controls() {
+	line_edit_search = memnew(LineEdit);
+	check_button_filter_highlight = memnew(CheckBox);
+	close_button = memnew(Button);
+	label_filter = memnew(Label);
+
+	line_edit_search->set_placeholder(TTR("Search tree"));
+
+	close_button->set_theme_type_variation(LW_NAME(FlatButton));
+
+	// positioning and sizing
+	set_anchors_and_offsets_preset(LayoutPreset::PRESET_BOTTOM_WIDE);
+	set_v_size_flags(SIZE_SHRINK_CENTER); // Do not expand vertically
+
+	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(0.25);
+	add_child(close_button);
+	_add_spacer(0.25);
+}
+
+void TreeSearchPanel::_add_spacer(float p_width_multiplier) {
+	Control *spacer = memnew(Control);
+	spacer->set_custom_minimum_size(Vector2(8.0 * EDSCALE * p_width_multiplier, 0.0));
+	add_child(spacer);
+}
+
+void TreeSearchPanel::_notification(int p_what) {
+	switch (p_what) {
+		case NOTIFICATION_READY: {
+			// close callbacks
+			close_button->connect("pressed", Callable(this, "set_visible").bind(false));
+			close_button->set_shortcut(LW_GET_SHORTCUT("limbo_ai/hide_tree_search"));
+
+			// search callbacks
+			Callable c_update_requested = Callable(this, "emit_signal").bind("update_requested");
+			Callable c_text_submitted = Callable((Object *)this, "emit_signal").bind("text_submitted");
+
+			line_edit_search->connect("text_changed", c_update_requested.unbind(1));
+			check_button_filter_highlight->connect("pressed", c_update_requested);
+			line_edit_search->connect("text_submitted", c_text_submitted.unbind(1));
+			break;
+		}
+		case NOTIFICATION_THEME_CHANGED: {
+			BUTTON_SET_ICON(close_button, get_theme_icon(LW_NAME(Close), LW_NAME(EditorIcons)));
+			label_filter->set_text(TTR("Filter"));
+			break;
+		}
+	}
+}
+
+void TreeSearchPanel::_bind_methods() {
+	ADD_SIGNAL(MethodInfo("update_requested"));
+	ADD_SIGNAL(MethodInfo("text_submitted"));
+}
+
+TreeSearchPanel::TreeSearchPanel() {
+	_initialize_controls();
+	set_visible(false);
+}
+
+TreeSearch::TreeSearchMode TreeSearchPanel::get_search_mode() {
+	if (!check_button_filter_highlight || !check_button_filter_highlight->is_pressed()) {
+		return TreeSearch::TreeSearchMode::HIGHLIGHT;
+	}
+	return TreeSearch::TreeSearchMode::FILTER;
+}
+
+String TreeSearchPanel::get_text() {
+	if (!line_edit_search) {
+		return String();
+	}
+	return line_edit_search->get_text();
+}
+
+void TreeSearchPanel::show_and_focus() {
+	set_visible(true);
+	line_edit_search->grab_focus();
+}
+
+/* !TreeSearchPanel */
+
 #endif // TOOLS_ENABLED

editor/tree_search.h

@@ -14,15 +14,6 @@
 #ifndef TREE_SEARCH_H
 #define TREE_SEARCH_H
 
-#ifdef LIMBOAI_GDEXTENSION
-#include <godot_cpp/classes/check_box.hpp>
-#include <godot_cpp/classes/h_flow_container.hpp>
-#include <godot_cpp/classes/label.hpp>
-#include <godot_cpp/classes/line_edit.hpp>
-#include <godot_cpp/classes/tree.hpp>
-#include <godot_cpp/templates/hash_map.hpp>
-#endif // LIMBOAI_GDEXTENSION
-
 #ifdef LIMBOAI_MODULE
 #include "core/templates/hash_map.h"
 #include "scene/gui/check_box.h"
@@ -32,6 +23,15 @@
 #include "scene/gui/tree.h"
 #endif // LIMBOAI_MODULE
 
+#ifdef LIMBOAI_GDEXTENSION
+#include <godot_cpp/classes/check_box.hpp>
+#include <godot_cpp/classes/h_flow_container.hpp>
+#include <godot_cpp/classes/label.hpp>
+#include <godot_cpp/classes/line_edit.hpp>
+#include <godot_cpp/classes/tree.hpp>
+#include <godot_cpp/templates/hash_map.hpp>
+#endif // LIMBOAI_GDEXTENSION
+
 using namespace godot;
 
 class TreeSearchPanel;
@@ -69,7 +69,7 @@ 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);
+	void _find_matching_entries(TreeItem *p_tree_item, const String &p_search_mask, Vector<TreeItem *> &p_accum);
 	String _get_search_mask();
 	StringSearchIndices _substring_bounds(const String &p_searchable, const String &p_search_mask) const;
 
@@ -92,10 +92,12 @@ public:
 	void update_search(Tree *p_tree);
 	void notify_item_edited(TreeItem *p_item);
 
-	TreeSearch() { ERR_FAIL_MSG("TreeSearch needs a TreeSearchPanel to work properly"); }
+	TreeSearch() { ERR_FAIL_MSG("TreeSearch needs a TreeSearchPanel to work properly."); }
 	TreeSearch(TreeSearchPanel *p_search_panel);
 };
 
+// --------------------------------------------
+
 class TreeSearchPanel : public HFlowContainer {
 	GDCLASS(TreeSearchPanel, HFlowContainer)
 

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;
 	}
 }
 

util/limbo_string_names.cpp

@@ -67,6 +67,8 @@ LimboStringNames::LimboStringNames() {
 	exited = SN("exited");
 	favorite_tasks_changed = SN("favorite_tasks_changed");
 	Favorites = SN("Favorites");
+	FlatButton = SN("FlatButton");
+	Focus = SN("Focus");
 	focus_exited = SN("focus_exited");
 	font = SN("font");
 	font_color = SN("font_color");
@@ -78,6 +80,7 @@ LimboStringNames::LimboStringNames() {
 	GuiTreeArrowRight = SN("GuiTreeArrowRight");
 	HeaderSmall = SN("HeaderSmall");
 	Help = SN("Help");
+	h_separation = SN("h_separation");
 	icon_max_width = SN("icon_max_width");
 	class_icon_size = SN("class_icon_size");
 	id_pressed = SN("id_pressed");

util/limbo_string_names.h

@@ -83,6 +83,8 @@ public:
 	StringName exited;
 	StringName favorite_tasks_changed;
 	StringName Favorites;
+	StringName FlatButton;
+	StringName Focus;
 	StringName focus_exited;
 	StringName font_color;
 	StringName font_size;
@@ -94,6 +96,7 @@ public:
 	StringName GuiTreeArrowRight;
 	StringName HeaderSmall;
 	StringName Help;
+	StringName h_separation;
 	StringName icon_max_width;
 	StringName class_icon_size;
 	StringName id_pressed;