extends Unit


var tick_frequency := 0.5


func _ready():
	$TickTimer.wait_time = tick_frequency / Game.speed
	$TickTimer.start()
	
	Game.speed_changed.connect(func():
		$TickTimer.wait_time = tick_frequency / Game.speed
		$TickTimer.start()
		# calculate remaining time and set fraction accordingly
	)
	
	$AnimatedSprite.play("dig")


func _physics_process(delta: float) -> void:
	if not is_on_floor():
		velocity += get_gravity() * delta * Game.speed
		
		$RayGround.force_raycast_update()
		if not $RayGround.is_colliding():
			var default = load("res://Units/Default.tscn").instantiate()
			default.global_position = global_position
			get_tree().current_scene.add_child(default)
			queue_free()
	
	move_and_slide()


func _on_tick_timer_timeout() -> void:
	var size = Vector2($NavigationShape.shape.size.x + 4, 4)
	
	Game.erase_map(
		PackedVector2Array([
			$DigReference.global_position + (size / 2) * Vector2(-1, -1),
			$DigReference.global_position + (size / 2) * Vector2(1, -1),
			$DigReference.global_position + (size / 2) * Vector2(1, 1),
			$DigReference.global_position + (size / 2) * Vector2(-1, 1),
		]),
		get_tree().current_scene.get_node("GroundCollision"),
		get_tree().current_scene.get_node("Map")
	)