/** Writes a tile entity to NBT. */
@Override
public void writeToNBT(NBTTagCompound NBT) {
super.writeToNBT(NBT);
NBT.setInteger("liquidLevel", liquidLevel);
NBT.setInteger("liquid", liquidID);
}
/** Reads a tile entity from NBT. */
@Override
public void readFromNBT(NBTTagCompound NBT) {
super.readFromNBT(NBT);
liquidLevel = NBT.getInteger("liquidLevel");
liquidID = NBT.getInteger("liquid");
}