PacketOpenPromotionGUI.java

package minechess.common.network;

import io.netty.buffer.ByteBuf;
import minechess.client.GuiPawnPromotion;
import minechess.common.EntityPawn;
import net.minecraft.entity.Entity;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraftforge.fml.common.FMLCommonHandler;

/**
 * MineChess
 * @author MineMaarten
 * www.minemaarten.com
 * @license Lesser GNU Public License v3 (http://www.gnu.org/licenses/lgpl.html)
 */

public class PacketOpenPromotionGUI extends AbstractPacket<PacketOpenPromotionGUI>{
    private int pawnEntityID;

    public PacketOpenPromotionGUI(){}

    public PacketOpenPromotionGUI(EntityPawn pawn){
        pawnEntityID = pawn.getEntityId();
    }

    @Override
    public void toBytes(ByteBuf buffer){
        buffer.writeInt(pawnEntityID);
    }

    @Override
    public void fromBytes(ByteBuf buffer){
        pawnEntityID = buffer.readInt();
    }

    @Override
    public void handleClientSide(PacketOpenPromotionGUI message, EntityPlayer player){
        Entity entity = player.worldObj.getEntityByID(message.pawnEntityID);
        if(entity instanceof EntityPawn) {
            FMLCommonHandler.instance().showGuiScreen(new GuiPawnPromotion((EntityPawn)entity));
        }
    }

    @Override
    public void handleServerSide(PacketOpenPromotionGUI message, EntityPlayer player){}

}