extends State
var target
func enter_state(n):
	if n is Unit:
		target=n
	pass
func update_state(delta):
	pass
func update_state_phy(delta):
	match get_player().get_dir():
		0:
			get_player().play_animation("up")
		1:
			get_player().play_animation("down")
		2:
			get_player().play_animation("left_right")
		3:
			get_player().play_animation("left_right")
	if target!=null and is_instance_valid(target):
		if get_player().is_unit_instance_in_attack_area(target):
			change_to_state("atk",target)
			get_player().stop_move()
			return
		get_player().set_target_pos(target.global_position)
		return
	
	if get_player().is_move_finished():
		
		change_to_state("idle")
		print("切换为idle")
		return
	
	
	pass
func exit_state():
	target=null
	pass

func process_message(type:String,n):
	match type:
		"move":
			get_player().set_target_pos(n)
			change_to_state("run")
			target=null
		"attack":
			get_player().set_target_pos(n.global_position)
			change_to_state("run",n)
			pass
	pass