From 7594c91c84034ab289b4549a73db74dcd18c9e4a Mon Sep 17 00:00:00 2001
From: EvilSeph <evilseph@gmail.com>
Date: Mon, 2 Apr 2012 13:24:34 -0400
Subject: [PATCH] Made item use when a player has the ability to instantly
 build not decrement the stack. Fixes BUKKIT-1439

---
 src/main/java/net/minecraft/server/EntityHuman.java | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/main/java/net/minecraft/server/EntityHuman.java b/src/main/java/net/minecraft/server/EntityHuman.java
index 5c29744aec..c552f000ad 100644
--- a/src/main/java/net/minecraft/server/EntityHuman.java
+++ b/src/main/java/net/minecraft/server/EntityHuman.java
@@ -685,9 +685,10 @@ public abstract class EntityHuman extends EntityLiving {
             ItemStack itemstack = this.U();
 
             if (itemstack != null && entity instanceof EntityLiving) {
+                if (this.abilities.canInstantlyBuild) itemstack = itemstack.cloneItemStack(); // CraftBukkit - if the player can instantly build, don't decrement the stack.
                 itemstack.a((EntityLiving) entity);
-                // CraftBukkit - bypass infinite items; <= 0 -> == 0
-                if (itemstack.count == 0) {
+                // CraftBukkit - bypass infinite items; <= 0 -> == 0, only remove items if not able to instantly build
+                if (itemstack.count == 0 && !this.abilities.canInstantlyBuild) {
                     itemstack.a(this);
                     this.V();
                 }