can quit menus using B button

addons/maaacks_game_template/base/scripts/pause_menu_controller.gd

@@ -7,15 +7,18 @@ extends Node
 @export var player : CharacterBody3D
 
 @export_group("Inputs")
-@export var base_mode:GUIDEMappingContext
 @export var pause:GUIDEAction
 
+var menu_already_open = false
+
 func _ready() -> void:
-	# GUIDE.enable_mapping_context(base_mode)
-	
 	pause.triggered.connect(on_input_pause)
 	
 func on_input_pause():
+	if menu_already_open:
+		return
+		
+	menu_already_open = true
 	if not focused_viewport:
 		focused_viewport = get_viewport()
 	var _initial_focus_control = focused_viewport.gui_get_focus_owner()
@@ -25,9 +28,6 @@ func on_input_pause():
 	
 	get_tree().current_scene.call_deferred("add_child", current_menu)
 	await current_menu.tree_exited
+	menu_already_open = false
 	if is_inside_tree() and _initial_focus_control:
 		_initial_focus_control.grab_focus()
-
-func _unhandled_input(event : InputEvent) -> void:
-	if event.is_action_pressed("ui_cancel"):
-		pass