extends Spatial

var root : NPC = null

var investigationPoint : Spatial

# var param = task.get_param(0)


func _ready():
	root = get_parent()
	investigationPoint = Spatial.new()
	get_tree().current_scene.call_deferred("add_child", investigationPoint)
	
	
func task_print(task):
	if task.get_param_count() > 0:
		print(task.get_param(0))
	task.succeed()
	
func task_has_any_task(task):
	if root.task == null:
		task.failed()
	else:
		task.succeed()

func task_has_investigate(task):
	if root.investigate == null:
		task.failed()
	else:
		task.succeed()

func task_has_currTask(task):
	if root.currentTask == null:
		task.failed()
	else:
		task.succeed()
		
func task_player_spotted(task):
	if root.playerTask == null:
		task.failed()
	else:
		print("Player spotted")
		task.succeed()

func task_player_near_sight(task):
	if root.sightNear:
		task.succeed()
	else:
		task.failed()
		
func task_player_far_sight(task):
	if root.sightFar:
		task.succeed()
	else:
		task.failed()
		
func task_player_near_hear(task):
	if root.hearNear:
		task.succeed()
	else:
		task.failed()
		
func task_player_far_hear(task):
	if root.hearFar:
		task.succeed()
	else:
		task.failed()
		
func task_can_see_player(task):
	var param = 0.5
	if task.get_param_count() > 0:
		param = task.get_param(0)
	if root.canSeePlayer(param):
		print("Can see")
		task.succeed()
	else:
		task.failed()
		
func task_is_aggressive(task):
	if root.isAggressive:
		task.succeed()
	else:
		task.failed()
		
func task_should_investigate_sounds(task):
	if root.investigateSounds:
		task.succeed()
	else:
		task.failed()
		
func task_investigate_player_last_seen(task):
	if root.playerTask == null:
		task.failed()
		return
	investigationPoint.global_transform = root.playerTask.global_transform
	root.playerTask = null
	root.investigate = investigationPoint
	root.task = root.investigate
	task.succeed()

func task_has_heard_something(task):
	if root.has_heard != null:
		task.succeed()
	else:
		task.failed()
		
func task_investigate_heard(task):
	if root.has_heard == null:
		task.failed()
		return
	root.investigate = root.has_heard
	root.task = root.has_heard
	root.has_heard = null
	task.succeed()

func task_set_action(task):
	root.action = task.get_param(0)
	task.succeed()

func task_set_speed(task):
	root.speed = task.get_param(0)
	task.succeed()
	
func task_moveToTarget(task):
	if root.reachedTarget():
		if root.finishTask():
			task.succeed()
		return
	root.moveNPC()
	task.succeed()

### Automatically get most important task
func task_get_task(task):
	## do priority task if there is one
	if root.playerTask != null:
		root.investigate = null
		root.task = root.playerTask
		print("detect player")
	## investigate a noise
	elif root.investigate != null:
		root.task = root.investigate
		print("detect investigate")
	## or do the current task if there is no priority task
	elif root.currentTask != null:
		root.task = root.currentTask
	## but dont continue if there are no tasks to do and nothing to investigate
	else:
		task.failed()
		return
	task.succeed()