@Override
    public Packet getDescriptionPacket() {
        NBTTagCompound nbtTag = new NBTTagCompound();
        this.writeToNBT(nbtTag);
        return new S35PacketUpdateTileEntity(getPos(), 1, nbtTag);
    }
	@Override
    public void markDirty() {
        super.markDirty();
		if(!worldObj.isRemote)
        	worldObj.markBlockForUpdate(getPos());
    }

    @Override
    public void onDataPacket(NetworkManager net, S35PacketUpdateTileEntity packet) {
        this.readFromNBT(packet.getNbtCompound());
    }