extends BTAction
class_name BTFetchPathPoint
func tick(tick: Tick) -> int:
	var npc = tick.actor
	var path = Array(npc.get_meta("path"))
	var valid = npc.get_meta("path_valid")
	if valid <= 0.0:
#		print("no valid path1")
		npc.do_stop()
		return FAILED
	if path.size() == 0:
#		print("no valid path2")
		npc.do_stop()
		return FAILED
			
	var point = path[0]
	var npc_pos = npc.global_transform.origin
	if npc_pos.distance_to(point) < 0.5:
		if path.size() > 0:
			point = path.pop_front()
	point.y = npc_pos.y
	npc.set_meta("path_point", point)
	npc.set_meta("path", path)
#	print("fetched path point: ", point)
	return OK