/** Reset all the parts of the structure */
 public void resetStructure() {
   for (int x = xCoord - 1; x < xCoord + 2; x++)
     for (int y = yCoord; y < yCoord + 3; y++)
       for (int z = zCoord - 1; z < zCoord + 2; z++) {
         TileEntity tile = worldObj.getTileEntity(x, y, z);
         if (tile != null && (tile instanceof TileMultiBlock)) ((TileMultiBlock) tile).reset();
       }
 }