addons/dialogic/Modules/Core/subsystem_animation.gd

   1 extends DialogicSubsystem
   2
   3 ## Subsystem that allows entering and leaving an animation state.
   4
   5 signal finished
   6 signal animation_interrupted
   7
   8 var prev_state: DialogicGameHandler.States = DialogicGameHandler.States.IDLE
   9
  10 var _is_animating := false
  11
  12 #region MAIN METHODS
  13 ####################################################################################################
  14
  15 func clear_game_state(_clear_flag := DialogicGameHandler.ClearFlags.FULL_CLEAR) -> void:
  16         stop_animation()
  17
  18
  19 func is_animating() -> bool:
  20         return _is_animating
  21
  22
  23 func start_animating() -> void:
  24         prev_state = dialogic.current_state
  25         dialogic.current_state = dialogic.States.ANIMATING
  26         _is_animating = true
  27
  28
  29 func animation_finished(_arg := "") -> void:
  30         # It can happen that the animation state has already been stopped
  31         if not is_animating():
  32                 return
  33         _is_animating = false
  34         dialogic.current_state = prev_state as DialogicGameHandler.States
  35         finished.emit()
  36
  37
  38 func stop_animation() -> void:
  39         animation_finished()
  40         animation_interrupted.emit()
  41
  42 #endregion