extends Node2D

@onready var WorldTiles : TileMapLayer = $TileMapLayer

var chunkPos : Vector2i = Vector2i(0,0)

enum {WALL, AIR}

# Called when the node enters the scene tree for the first time.
func _ready() -> void:
	get_tree().auto_accept_quit = false
	load_game("Chunk"+str(chunkPos.x)+"_"+str(chunkPos.y), WorldTiles)

# Called every frame. 'delta' is the elapsed time since the previous frame.
func _process(delta: float) -> void:

	if Input.is_mouse_button_pressed(MOUSE_BUTTON_LEFT):
		var setPos : Vector2i = WorldTiles.local_to_map(get_local_mouse_position())
		WorldTiles.set_cell(setPos,WALL,Vector2i(0,0))

	if Input.is_mouse_button_pressed(MOUSE_BUTTON_RIGHT):
		var setPos : Vector2i = WorldTiles.local_to_map(get_local_mouse_position())
		WorldTiles.set_cell(setPos,AIR,Vector2i(0,0))
		
func load_game(path:String, tile_map_layer:TileMapLayer) -> void:
	var file : FileAccess = FileAccess.open(path, FileAccess.READ)
	if file:
		tile_map_layer.tile_map_data = file.get_var()

func save(path:String, tile_map_layer:TileMapLayer) -> void:
	var file : FileAccess = FileAccess.open(path, FileAccess.WRITE)
	file.store_var(tile_map_layer.tile_map_data)
	file.close()

func _notification(what: int) -> void:
	if what == NOTIFICATION_WM_CLOSE_REQUEST:
		save("Chunk"+str(chunkPos.x)+"_"+str(chunkPos.y), WorldTiles)
		get_tree().quit()