case METADATA_ACCESSPORT:
return new TileEntityReactorAccessPort();
case METADATA_REDNETPORT:
return new TileEntityReactorRedNetPort();
case METADATA_COMPUTERPORT:
return new TileEntityReactorComputerPort();
case METADATA_COOLANTPORT:
return new TileEntityReactorCoolantPort();
case METADATA_CONTROLROD:
return new TileEntityReactorControlRod();
default: