Entity Instance Storage Item

package net.minecraft.src;

import net.minecraft.client.*;
import net.minecraft.src.Block;
import net.minecraft.src.EntityCow;
import net.minecraft.src.EntityPlayer;
import net.minecraft.src.EnumMovingObjectType;
import net.minecraft.src.Item;
import net.minecraft.src.ItemStack;
import net.minecraft.src.Material;
import net.minecraft.src.MathHelper;
import net.minecraft.src.MovingObjectPosition;
import net.minecraft.src.Vec3D;
import net.minecraft.src.World;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;

public class ItemEntStorage extends Item {

   private int isFull;

   public List entList;

   public ItemEntStorage(int var1, int var2) {
      super(var1);
      this.maxStackSize = 1;
      this.isFull = var2;

      entList = new LinkedList();
   }

   public ItemStack onItemRightClick(ItemStack var1, World var2, EntityPlayer var3) {
       Minecraft mc = ModLoader.getMinecraftInstance();
       if (mc.objectMouseOver != null) {
           if (mc.objectMouseOver.entityHit != null) {
               Entity ent = mc.objectMouseOver.entityHit;
               entList.add(ent);
               var2.loadedEntityList.remove(ent);
               System.out.println("removed");
           } else {
               if (entList.size() > 0) {
                   Entity ent = (Entity)entList.get(0);
                   ent.setPosition(var3.posX+1, var3.posY, var3.posZ);
                   var2.entityJoinedWorld(ent);
                   entList.remove(0);
                   System.out.println("readded");
               }

           }
       }
         return var1;

   }
}