public void method275(int z) {
		anInt442 = z;
		for (int x = 0; x < mapSizeX; x++) {
			for (int y = 0; y < mapSizeY; y++) {
				if (groundTiles[z][x][y] == null) {
					groundTiles[z][x][y] = new GroundTile(z, x, y);
				}
			}
		}
	}