PacketMoveItems.java

package crazypants.enderio.machine.invpanel;

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 PacketMoveItems implements IMessage, IMessageHandler<PacketMoveItems, IMessage> {

  private int fromSlot;
  private int toSlotStart;
  private int toSlotEnd;
  private int amount;

  public PacketMoveItems(int fromSlot, int toSlotStart, int toSlotEnd, int amount) {
    this.fromSlot = fromSlot;
    this.toSlotStart = toSlotStart;
    this.toSlotEnd = toSlotEnd;
    this.amount = amount;
  }

  public PacketMoveItems() {
  }

  @Override
  public void fromBytes(ByteBuf bb) {
    fromSlot = bb.readShort();
    toSlotStart = bb.readShort();
    toSlotEnd = bb.readShort();
    amount = bb.readShort();
  }

  @Override
  public void toBytes(ByteBuf bb) {
    bb.writeShort(fromSlot);
    bb.writeShort(toSlotStart);
    bb.writeShort(toSlotEnd);
    bb.writeShort(amount);
  }

  @Override
  public IMessage onMessage(PacketMoveItems message, MessageContext ctx) {
    EntityPlayerMP player = ctx.getServerHandler().playerEntity;
    if(player.openContainer instanceof InventoryPanelContainer) {
      InventoryPanelContainer ipc = (InventoryPanelContainer) player.openContainer;
      ipc.executeMoveItems(message.fromSlot, message.toSlotStart, message.toSlotEnd, message.amount);
    }
    return null;
  }
}