protected void CheckAsyncResources()
        {
            DownloadedItem item;

            if (game.AsyncDownloader.TryGetItem("terrain", out item))
            {
                TexturePack.ExtractTerrainPng(game, item);
            }
            if (game.AsyncDownloader.TryGetItem("texturePack", out item))
            {
                TexturePack.ExtractTexturePack(game, item);
            }
        }