extends BTAction
class_name BTSetDestinationGroup
export var dst_group: String = ""
#func add_loc_marker(tgt):
#	for k in get_tree().get_nodes_in_group("debug_loc_marker"):
#		k.queue_free()
#	var cube = CubeMesh.new()
#	cube.size = Vector3(0.2, 3.0, 0.2)
#	var mi = MeshInstance.new()
#	mi.mesh = cube
#	get_node("/root").add_child(mi)
#	mi.global_transform.origin = tgt
#	mi.add_to_group("debug_loc_marker")
func tick(tick: Tick) -> int:
	var dst = INF
	var tgt = Vector3()
	var npc = tick.actor
	var bb = tick.blackboard
	var npc_pos = npc.global_transform.origin
	var player_pos = global.player.global_transform.origin
	var enemy
	enemy = bb.get("closest_enemy")
	if !enemy:
		enemy = bb.get("last_enemy")
	var enemy_pos = Vector3()
	if enemy:
		enemy_pos =  enemy.global_transform.origin
	if dst_group == "_away":
		assert(enemy)
		var dir = (npc_pos - enemy_pos).normalized() * 80.0
		tgt = npc_pos + dir
		npc.set_meta("target_group", dst_group)
		npc.set_meta("target_loc", tgt)
#		print("run away ", npc.get_meta("action"))
#		add_loc_marker(tgt)
		return OK
	elif dst_group == "_player":
#		print("dst group player ", npc.name)
		tgt = player_pos
		npc.set_meta("target_group", dst_group)
		npc.set_meta("target_loc", tgt)
#		add_loc_marker(tgt)
#		print("chase player ", npc.get_meta("action"))
		return OK
	elif dst_group == "_enemy":
#		print("dst group enemy ", npc.name)
		tgt = enemy_pos
		npc.set_meta("target_group", dst_group)
		npc.set_meta("target_loc", tgt)
#		add_loc_marker(tgt)
#		print("chase player ", npc.get_meta("action"))
		return OK
	elif dst_group == "_patrol":
		var points = get_tree().get_nodes_in_group("patrol")
		if points.size() > 0:
			var c = points[randi() % points.size()]
			var tpos = c.global_transform.origin
			var ndst = tpos.distance_squared_to(npc_pos)
			dst = ndst
			tgt = tpos
#			print("set target: ", tgt)
			npc.set_meta("target_group", dst_group)
			npc.set_meta("target_loc", tgt)
#			add_loc_marker(tgt)
			return OK
#	print("dst ", npc.get_meta("action"), " ", dst_group)
	for c in get_tree().get_nodes_in_group(dst_group):
		if c is Spatial:
#			print(c.name)
			var tpos = c.global_transform.origin
			var ndst = tpos.distance_squared_to(npc_pos)
			if dst > ndst:
				dst = ndst
				tgt = tpos
#	print("dst: ", dst)
	if dst < 100000.0:
#		print("set target: ", tgt)
		npc.set_meta("target_group", dst_group)
		npc.set_meta("target_loc", tgt)
#		add_loc_marker(tgt)
#		print("set to: ", dst_group)
#		if dst_group == "hide_spot":
#			print("hiding to ", tgt)
		return OK
	return FAILED