extends Node3D


@onready var _skin := $skin
var _head_track_arr: Array[Node3D]= []


func _pick_head_track_target() -> void:
	if _head_track_arr.is_empty():
		_skin.set_head_target(null)
		_skin.set_eyes_target(null)
	else:
		var target: Node3D = _head_track_arr.front()
		_skin.set_head_target(target)
		_skin.set_eyes_target(target)


func _on_head_turn_area_entered(area: Area3D) -> void:
	for node in area.get_children().filter(func(c: Node3D): return c.is_in_group("npc-headTrack")):
		var i = _head_track_arr.find(node)
		if i < 0:
			_head_track_arr.append(node)
	_pick_head_track_target()


func _on_head_turn_area_exited(area: Area3D) -> void:
	for node in area.get_children().filter(func(c: Node3D): return c.is_in_group("npc-headTrack")):
		var i = _head_track_arr.find(node)
		if i >= 0:
			_head_track_arr.remove_at(i)
	_pick_head_track_target()