@Override
public NBTTagCompound writeToNBT(NBTTagCompound compound) {
NBTHelper.setInt(compound, "energy", energy.getEnergyStored());
return super.writeToNBT(compound);
}
@Override
public void readFromNBT(NBTTagCompound compound) {
energy.setEnergyStored(NBTHelper.getInt(compound, "energy"));
super.readFromNBT(compound);
}