I create TileEntity for write name. but if we Quit Game it can't write name for client.

 

public class TileEntityTest extends TileEntity{

public String username;

@Override
public void writeToNBT(NBTTagCompound nbt)
{
    super.writeToNBT(nbt);
    nbt.setString("username", username);
}

@Override
public void readFromNBT(NBTTagCompound nbt)
{
    super.readFromNBT(nbt);
    this.username = nbt.getString("username");
}

@Override
public Packet getDescriptionPacket() {
    NBTTagCompound tagCompound = new NBTTagCompound();
    writeToNBT(tagCompound);
    return new S35PacketUpdateTileEntity(xCoord, yCoord, zCoord, 1, tagCompound);
}

    public void processActivate(EntityLivingBase par5EntityPlayer, World world) {
    	username = par5EntityPlayer.getCommandSenderName();
    	world.getTileEntity(xCoord, yCoord, zCoord);
    }
}

 

I sending Packet by use S35PacketUpdateTileEntity.

You are writing data to packet at TileEntity#getDescriptionPacket, but you have to implement reading as well.

You need to override TileEntity#onDataPacket, you can get NBTTagCommpound from the packet using S35PacketUpdateTileEntity#func_148857_g.

You also shouldn't be sending the packet yourself.

Thanks Filipsi.

 

@Override
    public void onDataPacket(NetworkManager net, S35PacketUpdateTileEntity pkt){
    	readFromNBT(pkt.func_148857_g());
    }