From c0276a63f73d84a7be2677f37f7fb60a01f9d286 Mon Sep 17 00:00:00 2001
From: Xhamolk_ <xhamolk.class11@gmail.com>
Date: Mon, 26 Nov 2012 21:22:11 -0600
Subject: [PATCH] OreDictionary addition: getOreID(ItemStack)

Allow getting the oreID from a ItemStack, as an alternative from getOreID(String).

Now is easier to exchange items for their equivalencies through the OreDictionary.
---
 .../minecraftforge/oredict/OreDictionary.java | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/common/net/minecraftforge/oredict/OreDictionary.java b/common/net/minecraftforge/oredict/OreDictionary.java
index ee5d8aa0fb..a93875bb4e 100644
--- a/common/net/minecraftforge/oredict/OreDictionary.java
+++ b/common/net/minecraftforge/oredict/OreDictionary.java
@@ -169,6 +169,29 @@ public class OreDictionary
         return "Unknown";
     }
     
+    /**
+     * Gets the integer ID for the specified item stack.
+     * If the item stack is not linked to any ore, this will return -1 and no new entry will be created.
+     *
+     * @param itemStack The item stack of the ore.
+     * @return A number representing the ID for this ore type, or -1 if couldn't find it.
+     */
+    public static int getOreID(ItemStack itemStack)
+    {
+        if( itemStack == null )
+            return -1;
+
+        for(int oreID : oreStacks.keySet())
+        {
+            for(ItemStack target : oreStacks.get(oreID))
+            {
+                if(itemStack.itemID == target.itemID && (target.getItemDamage() == -1 || itemStack.getItemDamage() == target.getItemDamage()))
+                    return oreID;
+            }
+        }
+        return -1; // didn't find it.
+    }
+    
     /**
      * Retrieves the ArrayList of items that are registered to this ore type.
      * Creates the list as empty if it did not exist.