PacketSendRecieveChannel.java

package crazypants.enderio.machine.transceiver;

import io.netty.buffer.ByteBuf;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.nbt.NBTTagCompound;

import com.enderio.core.common.network.MessageTileEntity;
import com.enderio.core.common.network.NetworkUtil;

import cpw.mods.fml.common.network.simpleimpl.IMessage;
import cpw.mods.fml.common.network.simpleimpl.IMessageHandler;
import cpw.mods.fml.common.network.simpleimpl.MessageContext;

public class PacketSendRecieveChannel extends MessageTileEntity<TileTransceiver> implements IMessageHandler<PacketSendRecieveChannel, IMessage>  {
  
  private boolean isSend;
  private boolean isAdd;
  private Channel channel;
  
  public PacketSendRecieveChannel() {    
  }
  
  public PacketSendRecieveChannel(TileTransceiver te, boolean isSend, boolean isAdd, Channel channel) {
    super(te);
    this.isSend = isSend;
    this.isAdd = isAdd;
    this.channel = channel;    
  }

  @Override
  public void toBytes(ByteBuf buf) {    
    super.toBytes(buf);
    buf.writeBoolean(isSend);
    buf.writeBoolean(isAdd);
    NBTTagCompound tag = new NBTTagCompound();
    channel.writeToNBT(tag);
    NetworkUtil.writeNBTTagCompound(tag, buf);
  }

  @Override
  public void fromBytes(ByteBuf buf) {
    super.fromBytes(buf);
    isSend = buf.readBoolean();
    isAdd = buf.readBoolean();
    NBTTagCompound tag = NetworkUtil.readNBTTagCompound(buf);
    channel = Channel.readFromNBT(tag);
  }

  @Override
  public IMessage onMessage(PacketSendRecieveChannel message, MessageContext ctx) {
    EntityPlayer player = ctx.getServerHandler().playerEntity;
    TileTransceiver tile = message.getTileEntity(player.worldObj);   
    Channel channel = message.channel;
    boolean isSend = message.isSend;
    boolean isAdd = message.isAdd;
    if (tile != null &&  channel != null) {
      if(isSend) {
        if(isAdd) {
          tile.addSendChanel(channel);
        } else {
          tile.removeSendChanel(channel);
        }
      } else {
        if(isAdd) {
          tile.addRecieveChanel(channel);
        } else {
          tile.removeRecieveChanel(channel);
        }
      }       
    }
    return null;
  }
  
  

}