extends BTAction
class_name BTBuildPath

func is_dynamic_target(npc):
	var target_group = npc.has_meta("target_group")
	if target_group in ["_player", "_away", "_enemy", "female", "male"]:
		return true
	return false
func tick(tick: Tick) -> int:
	var npc = tick.actor
	var bb = tick.blackboard
	var npc_pos = npc.global_transform.origin
	assert(npc.has_meta("target_loc"))
	assert(npc.has_meta("target_group"))
	var loc = npc.get_meta("target_loc")
	var target_group = npc.get_meta("target_group")
	if npc.has_meta("path_valid") && !is_dynamic_target(npc):
		var valid = npc.get_meta("path_valid")
		if valid > 0.0:
			valid -= tick.blackboard.get("delta")
			npc.set_meta("path_valid", valid)
			return OK
#	print("path no longer valid")
	if loc:
		var path = []
		var target_result: Dictionary = bb.get("target_result").duplicate()
		assert(typeof(target_result) == TYPE_DICTIONARY)
		assert(target_result != null)
		print(target_result)
		var target_collider: PhysicsBody
		var target_position: Vector3
		if !target_result.has("collider"):
			path = [npc_pos, loc]
		if target_result.has("collider"):
			target_collider = target_result.collider
			target_position = target_result.position
		if target_group == "_away":
			if target_collider:
				loc = target_position
			path = [npc_pos, loc]
		else:
			var metaai = tick.blackboard.get("metaai")
			var astar: AStar = metaai.astar
			var start = astar.get_closest_point(npc_pos)
			var end = astar.get_closest_point(loc)
			path = astar.get_point_path(start, end)
			if start == end && npc_pos.distance_to(loc) > 2.0:
				path = []
		if path.size() == 0:
			path = [npc_pos, loc]

#		assert(path.size() > 0)
#		print("BTBuildPath: ", npc.name, " ", path.size(), ": ", path)
		if path.size() == 0:
			path = [npc_pos, loc]
		npc.set_meta("path", path)
		if !npc.get_meta("target_group") in ["_player", "_away", "female", "male"]:
			npc.set_meta("path_valid", 1.0)
		else:
			npc.set_meta("path_valid", 0.3)
#		if npc.get_meta("target_group") == "hide_spot":
#			print("hide_spot: path: ", path)
		return OK
#	print("path failed")
	return FAILED