@Override
public NBTTagCompound writeToNBT(NBTTagCompound tag) {
super.writeToNBT(tag);
tag.setTag("tank", tank.writeToNBT(new NBTTagCompound()));
NBTTagList list = new NBTTagList();
for (int i = 0; i < stack.length; i++) {
if (stack[i] != null) {
NBTTagCompound t = new NBTTagCompound();
stack[i].writeToNBT(t);
t.setByte("Slot", (byte) i);
list.appendTag(t);
}
}
tag.setTag("inventory", list);
tag.setInteger("progress", progress);
return tag;
}
