extends Enemy

var Spinning_Bone = preload("res://ai/SpinningBone.tscn")

onready var ShootDelay : Timer = $ShootDelay
onready var ProjectileSpawn: Node2D = $Position2D

func apply_gravity(delta, modifier = 1):
	velocity.y += gravity * delta * modifier

func _physics_process(_delta):
	var dist = global_position.distance_to(Globals.player)
	if Globals.player != null:
		if $RayCast2D.get_collider() != null && $RayCast2D.get_collider().has_method("get_type") and $RayCast2D.get_collider().get_type() == "player":
			velocity = Vector2(0, 0)
			if ShootDelay.is_stopped():
				var temp = Spinning_Bone.instance()
				get_tree().current_scene.add_child(temp)
				temp.global_position = ProjectileSpawn.global_position
				temp.launch_left()
				ShootDelay.start()
		elif $RayCast2D2.get_collider() != null && $RayCast2D2.get_collider().has_method("get_type") and $RayCast2D2.get_collider().get_type() == "player":
			velocity = Vector2(0, 0)
			if ShootDelay.is_stopped():
				var temp = Spinning_Bone.instance()
				get_tree().current_scene.add_child(temp)
				temp.global_position = ProjectileSpawn.global_position
				temp.launch_right()
				ShootDelay.start()
		elif $RayCast2D3.get_collider() != null && $RayCast2D3.get_collider().has_method("get_type") and $RayCast2D3.get_collider().get_type() == "player":
			velocity = Vector2(0, 0)
			if ShootDelay.is_stopped():
				var temp = Spinning_Bone.instance()
				get_tree().current_scene.add_child(temp)
				temp.global_position = ProjectileSpawn.global_position
				temp.launch_upleft()
				ShootDelay.start()
		elif $RayCast2D4.get_collider() != null && $RayCast2D4.get_collider().has_method("get_type") and $RayCast2D4.get_collider().get_type() == "player":
			velocity = Vector2(0, 0)
			if ShootDelay.is_stopped():
				var temp = Spinning_Bone.instance()
				get_tree().current_scene.add_child(temp)
				temp.global_position = ProjectileSpawn.global_position
				temp.launch_upright()
				ShootDelay.start()
		else:
			apply_gravity(_delta)
			velocity.x *= speed
			velocity = move_and_slide(velocity, UP)
		if dist <= 400:
			velocity.x = position.direction_to(Globals.player).normalized().x
		else:
			velocity = Vector2(0, 0)
	if velocity.x > 0:
		$Skeleton.flip_h = false
	elif velocity.x < 0:
		$Skeleton.flip_h = true
	
	if health <= 0:
		queue_free()
	
	if is_on_wall() and is_on_floor():
		velocity.y = -150

func on_impact(collision):
	if collision.collider.has_method("get_type"):
		collision.collider.set_health(collision.collider.get_health() - 1)
		if health == 0:
			queue_free()