PacketMagnetState.java

package crazypants.enderio.item;

import io.netty.buffer.ByteBuf;
import net.minecraft.entity.player.EntityPlayerMP;
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 PacketMagnetState implements IMessage, IMessageHandler<PacketMagnetState, IMessage> {

  public enum SlotType {
    INVENTORY,
    ARMOR,
    BAUBLES
  }
  
  public PacketMagnetState() {    
  }
  
  private boolean isActive;
  private SlotType type;
  private int slot;
  
  public PacketMagnetState(SlotType slottype, int slot, boolean isActive) {
    this.type = slottype;
    this.slot = slot;
    this.isActive = isActive;
  }

  @Override
  public void toBytes(ByteBuf buf) {
    buf.writeShort(type.ordinal());
    buf.writeInt(slot);
    buf.writeBoolean(isActive);    
  }
  
  @Override
  public void fromBytes(ByteBuf buf) {
    type = SlotType.values()[buf.readShort()];
    slot = buf.readInt();
    isActive = buf.readBoolean();    
  }
  
  @Override
  public IMessage onMessage(PacketMagnetState message, MessageContext ctx) {
    EntityPlayerMP player = ctx.getServerHandler().playerEntity;
    MagnetController.setMagnetActive(player, message.type, message.slot, message.isActive);
    return null;
  }

}