xiandie/scene/hud/prop_inventory.gd

class_name PropInventory extends Resource

@export var enabled_items := [] as Array[String]
@export var current_index := 0


func current_item_key():
	if enabled_items.size() == 0:
		return null
	return enabled_items[current_index]


func enable_item(prop_key: String) -> void:
	if not enabled_items.has(prop_key):
		enabled_items.append(prop_key)
	# emit_changed()


func disable_item(prop_key: String) -> void:
	if enabled_items.has(prop_key):
		enabled_items.erase(prop_key)
	# wrap index
	current_index = wrapi(current_index, 0, enabled_items.size())


# return true if the index changed
func index_wrap_add(delta: int) -> bool:
	current_index += delta
	current_index = wrapi(current_index, 0, enabled_items.size())
	# emit_changed()
	return not enabled_items.is_empty()