extends TileMapLayer

@export var upgrade : PackedScene

@export var inventory : Control

var upgrades : Array[Upgrade]

@export var spawn_points : Array[Marker2D]

var working = false

func _process(delta):
	if working:
		if len(upgrades) < len(spawn_points):
			add_upgrade()

func start():
	working = true
	enabled = true

func stop():
	for upgrade in get_tree().get_nodes_in_group("upgrades"):
		upgrade.queue_free()
	upgrades.clear()
	enabled = false
	
	working = false

func add_upgrade():
	var new_upgrade = upgrade.instantiate()
	var random_spawn_point : Marker2D = spawn_points.pick_random()
	while random_spawn_point.get_children() != []:
		random_spawn_point = spawn_points.pick_random()
	#new_upgrade.global_position = random_spawn_point.global_position
	new_upgrade.inventory = inventory
	random_spawn_point.add_child(new_upgrade)
	upgrades.append(new_upgrade)