redpower/src/main/java/com/eloraam/redpower/core/CoreEvents.java

package com.eloraam.redpower.core;

import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.item.Item;
import net.minecraft.item.ItemStack;
import net.minecraftforge.event.entity.player.PlayerDestroyItemEvent;
import net.minecraftforge.oredict.OreDictionary.OreRegisterEvent;

public class CoreEvents {
   @SubscribeEvent
   public void toolDestroyed(PlayerDestroyItemEvent ev) {
      EntityPlayer player = ev.entityPlayer;
      ItemStack orig = ev.original;
      int ci = player.inventory.currentItem;
      Item oid = orig.getItem();
      int odmg = orig.getItemDamage();
      ItemStack in2 = player.inventory.getStackInSlot(ci + 27);
      ItemStack ist = player.inventory.getStackInSlot(ci);
      if (ist != null && ist.stackSize <= 0 && in2 != null && in2.getItem() == oid && (!in2.getHasSubtypes() || in2.getItemDamage() == odmg)) {
         player.inventory.setInventorySlotContents(ci, in2);
         player.inventory.setInventorySlotContents(ci + 27, (ItemStack)null);

         for(int i = 2; i > 0; --i) {
            ist = player.inventory.getStackInSlot(ci + 9 * i);
            if (ist == null) {
               return;
            }

            if (ist.getItem() != oid) {
               return;
            }

            if (ist.getHasSubtypes() && ist.getItemDamage() != odmg) {
               return;
            }

            player.inventory.setInventorySlotContents(ci + 9 * i + 9, ist);
            player.inventory.setInventorySlotContents(ci + 9 * i, (ItemStack)null);
         }
      }

   }

   @SubscribeEvent
   public void oreRegister(OreRegisterEvent ev) {
      CoreLib.registerOre(ev.Name, ev.Ore);
   }
}