From 145f70c16f93d35778acf58dec1d41f189678910 Mon Sep 17 00:00:00 2001
From: Alex <alex.orzechowski@hotmail.ca>
Date: Sat, 27 Apr 2013 15:21:39 -0300
Subject: [PATCH 1/3] pre compute fix

blah blah blah this is a good fix so merge it
---
 common/buildcraft/factory/TileAutoWorkbench.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common/buildcraft/factory/TileAutoWorkbench.java b/common/buildcraft/factory/TileAutoWorkbench.java
index 7c880757..50b12aa4 100644
--- a/common/buildcraft/factory/TileAutoWorkbench.java
+++ b/common/buildcraft/factory/TileAutoWorkbench.java
@@ -100,7 +100,7 @@ public class TileAutoWorkbench extends TileEntity implements ISpecialInventory {
 			for (int slot = 0; slot < this.getSizeInventory(); slot++){
 				ItemStack item = this.getStackInSlot(slot);
 				
-				if (item != null && item.stackSize == 1){
+				if (item != null && item.stackSize == 1 && !item.getItem().hasContainerItem()){
 					required[slot] = item.copy();
 				}
 			}

From ec3d44db6f0e56fa40603c81a9a237a0f1201b32 Mon Sep 17 00:00:00 2001
From: Alex <alex.orzechowski@hotmail.ca>
Date: Sat, 27 Apr 2013 15:29:55 -0300
Subject: [PATCH 2/3] Update TileAutoWorkbench.java

---
 common/buildcraft/factory/TileAutoWorkbench.java | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/common/buildcraft/factory/TileAutoWorkbench.java b/common/buildcraft/factory/TileAutoWorkbench.java
index 50b12aa4..b317d339 100644
--- a/common/buildcraft/factory/TileAutoWorkbench.java
+++ b/common/buildcraft/factory/TileAutoWorkbench.java
@@ -62,14 +62,14 @@ public class TileAutoWorkbench extends TileEntity implements ISpecialInventory {
 	@Override
 	public ItemStack decrStackSize(int slot, int amount) {
 		ItemStack item = this.crafting.decrStackSize(slot, amount);
-		this.onInventoryChanged();
+		super.onInventoryChanged();
 		return item;
 	}
 
 	@Override
 	public void setInventorySlotContents(int slot, ItemStack stack) {
 		this.crafting.setInventorySlotContents(slot, stack);
-		this.onInventoryChanged();
+		super.onInventoryChanged();
 	}
 
 	@Override
@@ -154,21 +154,15 @@ public class TileAutoWorkbench extends TileEntity implements ISpecialInventory {
 					ItemStack item = inventory.getStackInSlot(slot);
 					
 					if (item != null){
-						boolean refilAll = false;
-						
 						for (int slot1 = 0; slot1 < this.getSizeInventory(); slot1++){
 							ItemStack item1 = this.getStackInSlot(slot1);
 							if (item1 != null && item1.stackSize == 1 && item.isItemEqual(item1)){
 								item1.stackSize++;
 								inventory.decrStackSize(slot, 1);
-								
-								if (slot1 == this.getSizeInventory() - 1) refilAll = true;
-							}else{
-								refilAll = false;
 							}
+							
+							if (this.canCraft()) return;
 						}
-						
-						if (refilAll) return;
 					}
 				}
 			}

From f0120931be367d79ba0277f208eb334479ee533a Mon Sep 17 00:00:00 2001
From: Alex <alex.orzechowski@hotmail.ca>
Date: Sat, 27 Apr 2013 16:07:27 -0300
Subject: [PATCH 3/3] Update TileAutoWorkbench.java

---
 common/buildcraft/factory/TileAutoWorkbench.java | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/common/buildcraft/factory/TileAutoWorkbench.java b/common/buildcraft/factory/TileAutoWorkbench.java
index b317d339..bbe04067 100644
--- a/common/buildcraft/factory/TileAutoWorkbench.java
+++ b/common/buildcraft/factory/TileAutoWorkbench.java
@@ -247,14 +247,14 @@ public class TileAutoWorkbench extends TileEntity implements ISpecialInventory {
 				this.refilFromNeibour();
 				
 				if (!this.canCraft()){
-					return new ItemStack[0];
+					return null;
 				}
 			}
 			
 			this.craft();
 			item = result.copy();
 		}else{
-			return new ItemStack[0];
+			return null;
 		}
 		
 		return new ItemStack[] { item };