extends TileMap

var astar = AStarGrid2D.new()
var map_rect = Rect2i()
const main_layer = 0

# Called when the node enters the scene tree for the first time.
func _ready():
	
	var tile_size = get_tileset().tile_size
	var tilemap_size = get_used_rect().end - get_used_rect().position
	map_rect = Rect2i(Vector2i(), tilemap_size)
	
	astar.region = map_rect
	astar.cell_size = tile_size
	astar.offset = tile_size * 0.5
	astar.default_compute_heuristic = AStarGrid2D.HEURISTIC_MANHATTAN
	
	astar.diagonal_mode = AStarGrid2D.DIAGONAL_MODE_NEVER
	astar.update()
	
	
	for cell in get_used_cells(main_layer):
		astar.set_point_solid(cell, is_spot_solid(main_layer,cell))
	for cell in get_used_cells(2):
		astar.set_point_solid(cell, is_spot_solid(2,cell))
		
	
func is_spot_solid(layer : int,spot : Vector2i) -> bool :
	return get_cell_tile_data(layer,spot).get_custom_data("is_solid")
	
func is_spot_walkable(spot) -> bool :
	var map_pos = local_to_map(spot)
	if map_rect.has_point(map_pos): 
		return not astar.is_point_solid(map_pos)
	return false