From a7f87f9a78885b04014e5d6685f386b6838bdf7d Mon Sep 17 00:00:00 2001
From: Alex Ciuba <alexciuba@gmail.com>
Date: Mon, 10 Jun 2013 16:04:38 -0400
Subject: [PATCH] Properly Consume Bonemeal in Dispensers

Don't consume bonemeal if there is no crop in front. Fixes BUKKIT-3790

diff --git a/src/main/java/net/minecraft/server/DispenseBehaviorBonemeal.java b/src/main/java/net/minecraft/server/DispenseBehaviorBonemeal.java
index 1a58814..b83a803 100644
--- a/src/main/java/net/minecraft/server/DispenseBehaviorBonemeal.java
+++ b/src/main/java/net/minecraft/server/DispenseBehaviorBonemeal.java
@@ -20,9 +20,8 @@ final class DispenseBehaviorBonemeal extends DispenseBehaviorItem {
             int k = isourceblock.getBlockZ() + enumfacing.e();
 
             // CraftBukkit start
-            ItemStack itemstack1 = itemstack.a(1);
             org.bukkit.block.Block block = world.getWorld().getBlockAt(isourceblock.getBlockX(), isourceblock.getBlockY(), isourceblock.getBlockZ());
-            CraftItemStack craftItem = CraftItemStack.asCraftMirror(itemstack1);
+            CraftItemStack craftItem = CraftItemStack.asNewCraftStack(itemstack.getItem());
 
             BlockDispenseEvent event = new BlockDispenseEvent(block, craftItem.clone(), new org.bukkit.util.Vector(0, 0, 0));
             if (!BlockDispenser.eventFired) {
@@ -30,12 +29,10 @@ final class DispenseBehaviorBonemeal extends DispenseBehaviorItem {
             }
 
             if (event.isCancelled()) {
-                itemstack.count++;
                 return itemstack;
             }
 
             if (!event.getItem().equals(craftItem)) {
-                itemstack.count++;
                 // Chain to handler for new item
                 ItemStack eventStack = CraftItemStack.asNMSCopy(event.getItem());
                 IDispenseBehavior idispensebehavior = (IDispenseBehavior) BlockDispenser.a.a(eventStack.getItem());
@@ -46,7 +43,7 @@ final class DispenseBehaviorBonemeal extends DispenseBehaviorItem {
             }
             // CraftBukkit end
 
-            if (ItemDye.a(itemstack1, world, i, j, k)) { // CraftBukkit - itemstack -> itemstack1
+            if (ItemDye.a(itemstack, world, i, j, k)) {
                 if (!world.isStatic) {
                     world.triggerEffect(2005, i, j, k, 0);
                 }
-- 
1.8.1.2