editor/limbo_ai_editor_plugin.cpp

@@ -171,6 +171,29 @@ void LimboAIEditor::_remove_task(const Ref<BTTask> &p_task) {
 	undo_redo->commit_action();
 }
 
+void LimboAIEditor::_update_header() const {
+	if (task_tree->get_bt().is_null()) {
+		header->set_text("");
+		BUTTON_SET_ICON(header, nullptr);
+		return;
+	}
+
+	String text = task_tree->get_bt()->get_path();
+	if (text.is_empty()) {
+		text = TTR("New Behavior Tree");
+	} else if (dirty.has(task_tree->get_bt())) {
+		text += "(*)";
+	}
+
+	header->set_text(text);
+	BUTTON_SET_ICON(header, theme_cache.behavior_tree_icon);
+}
+
+void LimboAIEditor::_update_history_buttons() {
+	history_back->set_disabled(idx_history == 0);
+	history_forward->set_disabled(idx_history >= (history.size() - 1));
+}
+
 void LimboAIEditor::_new_bt() {
 	Ref<BehaviorTree> bt = memnew(BehaviorTree);
 	bt->set_root_task(memnew(BTSelector));
@@ -187,6 +210,7 @@ void LimboAIEditor::_save_bt(String p_path) {
 	task_tree->get_bt()->take_over_path(p_path);
 #endif
 	RESOURCE_SAVE(task_tree->get_bt(), p_path, ResourceSaver::FLAG_CHANGE_PATH);
+	_update_header();
 	_update_tabs();
 	_mark_as_dirty(false);
 }
@@ -246,6 +270,8 @@ void LimboAIEditor::edit_bt(Ref<BehaviorTree> p_behavior_tree, bool p_force_refr
 	task_tree->show();
 	task_palette->show();
 
+	_update_history_buttons();
+	_update_header();
 	_update_tabs();
 }
 
@@ -263,8 +289,10 @@ void LimboAIEditor::_mark_as_dirty(bool p_dirty) {
 	Ref<BehaviorTree> bt = task_tree->get_bt();
 	if (p_dirty && !dirty.has(bt)) {
 		dirty.insert(bt);
+		_update_header();
 	} else if (p_dirty == false && dirty.has(bt)) {
 		dirty.erase(bt);
+		_update_header();
 	}
 }
 
@@ -750,6 +778,7 @@ void LimboAIEditor::_on_visibility_changed() {
 }
 
 void LimboAIEditor::_on_header_pressed() {
+	_update_header();
 	task_tree->deselect();
 #ifdef LIMBOAI_MODULE
 	if (task_tree->get_bt().is_valid()) {
@@ -935,51 +964,28 @@ void LimboAIEditor::_tab_closed(int p_tab) {
 	} else {
 		EDIT_RESOURCE(history[idx_history]);
 	}
+	_update_history_buttons();
 	_update_tabs();
 }
 
 void LimboAIEditor::_update_tabs() {
 	updating_tabs = true;
 	tab_bar->clear_tabs();
-
-	Vector<String> short_names;
-	// Keep track of how many times each short name is used.
-	HashMap<String, int> usage_counts;
-
 	for (int i = 0; i < history.size(); i++) {
 		String tab_name;
-		if (history[i]->get_path().contains("::")) {
+		if (history[i]->get_path().is_empty()) {
+			tab_name = "[new]";
+		} else if (history[i]->get_path().contains("::")) {
 			tab_name = history[i]->get_path().get_file();
 		} else {
 			tab_name = history[i]->get_path().get_file().get_basename();
 		}
-		short_names.append(tab_name);
-		if (usage_counts.has(tab_name)) {
-			usage_counts[tab_name] += 1;
-		} else {
-			usage_counts[tab_name] = 1;
-		}
-	}
-
-	for (int i = 0; i < short_names.size(); i++) {
-		String tab_name = short_names[i];
-		if (tab_name.is_empty()) {
-			tab_name = "[new]";
-		} else if (usage_counts[tab_name] > 1) {
-			// Use the full name if the short name is not unique.
-			tab_name = history[i]->get_path().trim_prefix("res://");
-		}
 		tab_bar->add_tab(tab_name, LimboUtility::get_singleton()->get_task_icon("BehaviorTree"));
-		if (i == idx_history) {
-			tab_bar->set_tab_button_icon(tab_bar->get_tab_count() - 1, LimboUtility::get_singleton()->get_task_icon("LimboEditBlackboard"));
-		}
 	}
-
 	if (idx_history >= 0) {
 		ERR_FAIL_INDEX(idx_history, history.size());
 		tab_bar->set_current_tab(idx_history);
 	}
-
 	updating_tabs = false;
 }
 
@@ -992,6 +998,7 @@ void LimboAIEditor::_move_active_tab(int p_to_index) {
 	history.remove_at(idx_history);
 	history.insert(p_to_index, bt);
 	idx_history = p_to_index;
+	_update_history_buttons();
 	_update_tabs();
 }
 
@@ -1042,30 +1049,26 @@ void LimboAIEditor::_tab_menu_option_selected(int p_id) {
 			history.clear();
 			history.append(bt);
 			idx_history = 0;
+			_update_history_buttons();
 			_update_tabs();
 		} break;
 		case TAB_CLOSE_RIGHT: {
 			for (int i = history.size() - 1; i > idx_history; i--) {
 				history.remove_at(i);
 			}
+			_update_history_buttons();
 			_update_tabs();
 		} break;
 		case TAB_CLOSE_ALL: {
 			history.clear();
 			idx_history = -1;
 			_disable_editing();
+			_update_history_buttons();
 			_update_tabs();
 		} break;
 	}
 }
 
-void LimboAIEditor::_tab_plan_edited(int p_tab) {
-	ERR_FAIL_INDEX(p_tab, history.size());
-	if (history[p_tab]->get_blackboard_plan().is_valid()) {
-		EDIT_RESOURCE(history[p_tab]->get_blackboard_plan());
-	}
-}
-
 void LimboAIEditor::_reload_modified() {
 	for (const String &res_path : disk_changed_files) {
 		Ref<BehaviorTree> res = RESOURCE_LOAD(res_path, "BehaviorTree");
@@ -1120,6 +1123,7 @@ void LimboAIEditor::apply_changes() {
 			RESOURCE_SAVE(bt, path, 0);
 		}
 		dirty.clear();
+		_update_header();
 	}
 }
 
@@ -1274,6 +1278,9 @@ void LimboAIEditor::_notification(int p_what) {
 			save_btn->connect(LW_NAME(pressed), callable_mp(this, &LimboAIEditor::_on_save_pressed));
 			misc_btn->connect(LW_NAME(pressed), callable_mp(this, &LimboAIEditor::_update_misc_menu));
 			misc_btn->get_popup()->connect("id_pressed", callable_mp(this, &LimboAIEditor::_misc_option_selected));
+			history_back->connect(LW_NAME(pressed), callable_mp(this, &LimboAIEditor::_on_history_back));
+			history_forward->connect(LW_NAME(pressed), callable_mp(this, &LimboAIEditor::_on_history_forward));
+			header->connect(LW_NAME(pressed), callable_mp(this, &LimboAIEditor::_on_header_pressed));
 			task_palette->connect("task_selected", callable_mp(this, &LimboAIEditor::_add_task_by_class_or_path));
 			task_palette->connect("favorite_tasks_changed", callable_mp(this, &LimboAIEditor::_update_favorite_tasks));
 			change_type_palette->connect("task_selected", callable_mp(this, &LimboAIEditor::_task_type_selected));
@@ -1291,10 +1298,12 @@ void LimboAIEditor::_notification(int p_what) {
 			tab_bar->connect("tab_close_pressed", callable_mp(this, &LimboAIEditor::_tab_closed));
 			tab_bar->connect(LW_NAME(gui_input), callable_mp(this, &LimboAIEditor::_tab_input));
 			tab_menu->connect(LW_NAME(id_pressed), callable_mp(this, &LimboAIEditor::_tab_menu_option_selected));
-			tab_bar->connect("tab_button_pressed", callable_mp(this, &LimboAIEditor::_tab_plan_edited));
 
 			EDITOR_FILE_SYSTEM()->connect("resources_reload", callable_mp(this, &LimboAIEditor::_on_resources_reload));
 
+			_update_history_buttons();
+			_update_header();
+
 		} break;
 		case NOTIFICATION_THEME_CHANGED: {
 			_do_update_theme_item_cache();
@@ -1305,9 +1314,12 @@ void LimboAIEditor::_notification(int p_what) {
 			BUTTON_SET_ICON(load_btn, get_theme_icon(LW_NAME(Load), LW_NAME(EditorIcons)));
 			BUTTON_SET_ICON(save_btn, get_theme_icon(LW_NAME(Save), LW_NAME(EditorIcons)));
 			BUTTON_SET_ICON(new_script_btn, get_theme_icon(LW_NAME(ScriptCreate), LW_NAME(EditorIcons)));
+			BUTTON_SET_ICON(history_back, get_theme_icon(LW_NAME(Back), LW_NAME(EditorIcons)));
+			BUTTON_SET_ICON(history_forward, get_theme_icon(LW_NAME(Forward), LW_NAME(EditorIcons)));
 			BUTTON_SET_ICON(misc_btn, get_theme_icon(LW_NAME(Tools), LW_NAME(EditorIcons)));
 
 			_update_favorite_tasks();
+			_update_header();
 		}
 	}
 }
@@ -1432,6 +1444,16 @@ LimboAIEditor::LimboAIEditor() {
 	nav->set_h_size_flags(SIZE_EXPAND | SIZE_SHRINK_END);
 	toolbar->add_child(nav);
 
+	history_back = memnew(Button);
+	history_back->set_flat(true);
+	history_back->set_focus_mode(FOCUS_NONE);
+	nav->add_child(history_back);
+
+	history_forward = memnew(Button);
+	history_forward->set_flat(true);
+	history_forward->set_focus_mode(FOCUS_NONE);
+	nav->add_child(history_forward);
+
 	tab_bar_panel = memnew(PanelContainer);
 	vbox->add_child(tab_bar_panel);
 	tab_bar_container = memnew(HBoxContainer);
@@ -1450,6 +1472,12 @@ LimboAIEditor::LimboAIEditor() {
 	tab_menu = memnew(PopupMenu);
 	add_child(tab_menu);
 
+	header = memnew(Button);
+	header->set_text_alignment(HORIZONTAL_ALIGNMENT_LEFT);
+	header->add_theme_constant_override("hseparation", 8);
+	vbox->add_child(header);
+	header->hide();
+
 	hsc = memnew(HSplitContainer);
 	hsc->set_h_size_flags(SIZE_EXPAND_FILL);
 	hsc->set_v_size_flags(SIZE_EXPAND_FILL);

editor/limbo_ai_editor_plugin.h

@@ -139,6 +139,7 @@ private:
 	HBoxContainer *tab_bar_container;
 	TabBar *tab_bar;
 	PopupMenu *tab_menu;
+	Button *header;
 	HSplitContainer *hsc;
 	TaskTree *task_tree;
 	VBoxContainer *banners;
@@ -158,6 +159,8 @@ private:
 	FileDialog *save_dialog;
 	FileDialog *load_dialog;
 	FileDialog *extract_dialog;
+	Button *history_back;
+	Button *history_forward;
 
 	Button *new_btn;
 	Button *load_btn;
@@ -179,6 +182,8 @@ private:
 	Ref<BTTask> _create_task_by_class_or_path(const String &p_class_or_path) const;
 	void _add_task_by_class_or_path(const String &p_class_or_path);
 	void _remove_task(const Ref<BTTask> &p_task);
+	void _update_header() const;
+	void _update_history_buttons();
 	void _update_favorite_tasks();
 	void _update_misc_menu();
 	void _update_banners();
@@ -199,7 +204,6 @@ private:
 	void _tab_input(const Ref<InputEvent> &p_input);
 	void _show_tab_context_menu();
 	void _tab_menu_option_selected(int p_id);
-	void _tab_plan_edited(int p_tab);
 
 	void _reload_modified();
 	void _resave_modified(String _str = "");

editor/task_tree.cpp

@@ -431,7 +431,6 @@ TaskTree::TaskTree() {
 	tree->set_anchor(SIDE_RIGHT, ANCHOR_END);
 	tree->set_anchor(SIDE_BOTTOM, ANCHOR_END);
 	tree->set_allow_rmb_select(true);
-	tree->set_allow_reselect(true);
 
 	tree->set_drag_forwarding(callable_mp(this, &TaskTree::_get_drag_data_fw), callable_mp(this, &TaskTree::_can_drop_data_fw), callable_mp(this, &TaskTree::_drop_data_fw));
 }

gdextension/limboai.gdextension

@@ -75,7 +75,6 @@ BehaviorTreeView = "res://addons/limboai/icons/BehaviorTreeView.svg"
 BlackboardPlan = "res://addons/limboai/icons/BlackboardPlan.svg"
 LimboAI = "res://addons/limboai/icons/LimboAI.svg"
 LimboDeselectAll = "res://addons/limboai/icons/LimboDeselectAll.svg"
-LimboEditBlackboard = "res://addons/limboai/icons/LimboEditBlackboard.svg"
 LimboExtraBlackboard = "res://addons/limboai/icons/LimboExtraBlackboard.svg"
 LimboExtraClock = "res://addons/limboai/icons/LimboExtraClock.svg"
 LimboExtraVariable = "res://addons/limboai/icons/LimboExtraVariable.svg"
@@ -85,8 +84,6 @@ LimboPercent = "res://addons/limboai/icons/LimboPercent.svg"
 LimboSelectAll = "res://addons/limboai/icons/LimboSelectAll.svg"
 LimboState = "res://addons/limboai/icons/LimboState.svg"
 LimboVarAdd = "res://addons/limboai/icons/LimboVarAdd.svg"
-LimboVarEmpty = "res://addons/limboai/icons/LimboVarEmpty.svg"
-LimboVarError = "res://addons/limboai/icons/LimboVarError.svg"
 LimboVarExists = "res://addons/limboai/icons/LimboVarExists.svg"
 LimboVarNotFound = "res://addons/limboai/icons/LimboVarNotFound.svg"
 LimboVarPrivate = "res://addons/limboai/icons/LimboVarPrivate.svg"

icons/LimboEditBlackboard.svg

@@ -1 +0,0 @@
-<svg clip-rule="evenodd" fill-rule="evenodd" stroke-linejoin="round" stroke-miterlimit="2" viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="m0 0h16v16h-16z" fill="none"/><path d="m13 3h1.439c.861 0 1.56.699 1.56 1.56v8.88c0 .861-.699 1.56-1.56 1.56h-12.877c-.828 0-1.507-.647-1.558-1.463-.001.009-.001.017-.002.026-.001-.002 0-.049-.001-.119v-.004c0-.234.001-.591.001-.712v-8.168-1.468c0-1.295 2.999-1.483 2.999-.892v.8h3.999v1h-3.999v9.058c0-.362-1.126-.555-1.999-.35v.732c0 .309.251.56.56.56h12.877c.309 0 .56-.251.56-.56v-8.88c0-.309-.251-.56-.56-.56h-1.439zm-5 7v-6h4v6l-2 2zm2-5h-1v4h1zm-2-3.204c0-.439.896-.796 2-.796s2 .357 2 .796v1.204h-4z" fill="#e0e0e0"/></svg>