From e1237468b88f0faabfe0f9b594a4ab1709ad31b4 Mon Sep 17 00:00:00 2001
From: AlgorithmX2 <AlgorithmX2@gmail.com>
Date: Wed, 20 Aug 2014 23:08:59 -0500
Subject: [PATCH] Prevent encoding Patterns with zero quantity items.

---
 container/implementations/ContainerPatternTerm.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/container/implementations/ContainerPatternTerm.java b/container/implementations/ContainerPatternTerm.java
index d98ce0036..6175d52b8 100644
--- a/container/implementations/ContainerPatternTerm.java
+++ b/container/implementations/ContainerPatternTerm.java
@@ -253,7 +253,7 @@ public class ContainerPatternTerm extends ContainerMEMonitorable implements IAEA
 		if ( craftingMode )
 		{
 			ItemStack out = getAndUpdateOutput();
-			if ( out != null )
+			if ( out != null && out.stackSize > 0 )
 				return new ItemStack[] { out };
 		}
 		else
@@ -264,7 +264,7 @@ public class ContainerPatternTerm extends ContainerMEMonitorable implements IAEA
 			for (int x = 0; x < outputSlots.length; x++)
 			{
 				ItemStack out = outputSlots[x].getStack();
-				if ( out != null )
+				if ( out != null && out.stackSize > 0 )
 				{
 					list.add( out );
 					hasValue = true;