class_name StateMachineAnimatedActor extends StateMachine

# Initialize the state machine by giving each child state a reference to the
# parent object it belongs to and enter the default starting_state.
func init_animated_actor(parent: KinematicBody2D, animations: AnimatedSprite, move_component: MovementComponent) -> void:
	animations.connect("animation_finished", self, "_on_AnimatedSprite_animation_finished")
	for child in get_children():
		if child is StateAnimatedActor:
			if debug_state_machine:
				print("Initializing State Node for ", parent.name, ": ", child.name)
			child.parent = parent
			child.animations = animations
			child.move_component = move_component
			child.modifier_stack_ref = state_modifiers
			if debug_state_machine:
				child.debug_state = true

	# Initialize to the default state
	change_state(get_node(starting_state))
	

func process_frame(delta: float) -> void:
	# Check the state modifiers for timeouts, and maybe more conditions later
	# If the modifier is no longer valid, pop it from the stack. 
	# We could iterate through a whole list of states but I'm not sure i want
	# states to be that complex. 
	if state_modifiers.empty() == false:
		if state_modifiers[-1].state_timeout.time_left == 0:
			if debug_state_machine:
				print("Pop State Modifier: ", state_modifiers[-1].name)
			state_modifiers.pop_back()
			# Reset animation suffix
			current_state.animation_suffix = ''
			var current_frame = current_state.animations.frame
			#current_state.animations.play(current_state.animation_sequence[current_state.animation_index])
			#TODO: Bodge to fix crash 
			current_state.animation_index = 0
			current_state.current_animation_sequence = 0
			current_state.animations.play(current_state.animation_sequence[0])
			current_state.animations.frame = current_frame;
	var new_state = current_state.process_frame(delta)
	if new_state:
		change_state(new_state)


func _on_AnimatedSprite_animation_finished():
	if current_state.animations.frames.get_animation_loop(
		current_state.animations.animation) == false:
		if current_state.animation_sequence.size() > 0:
			current_state.animation_index += 1