ForgePatch/forge/patches/minecraft_server/net/minecraft/src/ItemTool.java.patch

--- ../src_base/minecraft_server/net/minecraft/src/ItemTool.java	0000-00-00 00:00:00.000000000 -0000
+++ ../src_work/minecraft_server/net/minecraft/src/ItemTool.java	0000-00-00 00:00:00.000000000 -0000
@@ -1,10 +1,12 @@
 package net.minecraft.src;
 
+import net.minecraft.src.forge.ForgeHooks;
+
 public class ItemTool extends Item
 {
     private Block blocksEffectiveAgainst[];
-    protected float efficiencyOnProperMaterial;
-    private int damageVsEntity;
+    public float efficiencyOnProperMaterial;
+    public int damageVsEntity;
     protected EnumToolMaterial toolMaterial;
 
     protected ItemTool(int i, int j, EnumToolMaterial enumtoolmaterial, Block ablock[])
@@ -32,6 +34,16 @@
         return 1.0F;
     }
 
+    /* FORGE: Overridden to allow custom tool effectiveness */
+    @Override
+    public float getStrVsBlock(ItemStack itemstack, Block block, int md) 
+    {
+        if (ForgeHooks.isToolEffective(itemstack, block, md))
+        {
+            return efficiencyOnProperMaterial;
+        }
+        return getStrVsBlock(itemstack,block);
+    }
     public boolean hitEntity(ItemStack itemstack, EntityLiving entityliving, EntityLiving entityliving1)
     {
         itemstack.damageItem(2, entityliving1);