extends Projectile
class_name Arrow

@onready var hit_ray: RayCast3D = $HitRay
@onready var land_depth: Marker3D = $LandDepth
@onready var arrow: MeshInstance3D = $Arrow
@onready var pickup_collision: Area3D = $PickupCollision

var follow_target
var spawn_out = false


func _ready() -> void:
	pickup_collision.monitorable = false

func _physics_process(delta: float) -> void:
	if !despawn:
		if hit_ray.is_colliding():
			despawn = true
			var body_hit = hit_ray.get_collider()
			if body_hit is EnemyCharacter:
				body_hit.hit(damage)
				reparent(body_hit)
			var stick_point = hit_ray.get_collision_point()
			if land_depth.global_position.distance_to(stick_point) > .2:
				global_position += global_transform.basis * Vector3(0,0,-speed) * delta
		else:
			global_position += global_transform.basis * Vector3(0,0,-speed) * delta
	else:
		pickup_collision.monitorable = true
	
	pickup_follow(delta)

func pickup_follow(delta):
	if follow_target != null:
		if spawn_out:
				follow_target.arrow += 1
				queue_free()
		else:
			if global_position.distance_to(follow_target.global_position) < .5:
				spawn_out = true
			else:
				var direction_to_player = global_position.direction_to(follow_target.global_position)
				var distance_to_player = global_position.distance_to(follow_target.global_position)
				global_position += global_transform.basis * direction_to_player * (5 + distance_to_player * 3) * delta