oGrid_create_new_code

cells_x = 75
cells_y = 75

global.grid = ds_grid_create(cells_x, cells_y)
global.grid_array = []
room_width = cells_x * CellWidth
room_height = cells_y * CellHeight

// Список тайлов, которые мы будем отрисовывать
enum Tile
{
    air,
    ground,
    stone1,
    metal,
    coal
}

// Объекты, которые будем отрисовывать
global.TileObjects = [noone, oDirt, oRock, oMetal, oCoal]

enum Shadows
{
    none,
    ground,
    stone1,
    stone2,
    stone3,
    stone4,
    stone5,
    metal,
    coal
}

var lay_id_blocks = layer_get_id("BlockLayer");
var map_id_blocks = layer_tilemap_get_id(lay_id_blocks);
var lay_id_shadows = layer_get_id("ShadowLayer");
var map_id_shadows = layer_tilemap_get_id(lay_id_shadows);
for (var _y = 0; _y < cells_y; ++_y)
{
    for (var _x = 0; _x < cells_x; ++_x)
    {
        ds_grid_set(global.grid, _x, _y, 0) // 0 - это стоимость клетки. Ноль - значит непроходима.
        tilemap_set(map_id_blocks, Tile.ground, _x, _y)
        tilemap_set(map_id_shadows, 47, _x, _y)
        // Х, Y, клетка земли, клетка тени
        array_push(global.grid_array, [_x, _y, Tile.ground, 47])
    }
}