From 79a8da50a8484ad04b93c65b5c7bd4029081809f Mon Sep 17 00:00:00 2001
From: AlgorithmX2 <AlgorithmX2@gmail.com>
Date: Thu, 30 Jan 2014 19:23:12 -0600
Subject: [PATCH] Fixed Issue with Interface and Gui, and Derpy Automation(
 Hoppers )

---
 container/slot/AppEngSlot.java              |  7 ++++++-
 helpers/DualityInterface.java               |  6 ++++--
 tile/inventory/AppEngInternalInventory.java | 10 ++++++++++
 tile/misc/TileInterface.java                |  6 ++++++
 4 files changed, 26 insertions(+), 3 deletions(-)

diff --git a/container/slot/AppEngSlot.java b/container/slot/AppEngSlot.java
index 62b79693..a4ea81e0 100644
--- a/container/slot/AppEngSlot.java
+++ b/container/slot/AppEngSlot.java
@@ -4,6 +4,7 @@ import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.inventory.IInventory;
 import net.minecraft.inventory.Slot;
 import net.minecraft.item.ItemStack;
+import appeng.tile.inventory.AppEngInternalInventory;
 
 public class AppEngSlot extends Slot
 {
@@ -51,7 +52,11 @@ public class AppEngSlot extends Slot
 	@Override
 	public void onSlotChanged()
 	{
-		super.onSlotChanged();
+		if ( inventory instanceof AppEngInternalInventory )
+			((AppEngInternalInventory) inventory).onInventoryChanged( getSlotIndex() );
+		else
+			super.onSlotChanged();
+
 		isValid = hasCalculatedValidness.NotAvailable;
 	}
 
diff --git a/helpers/DualityInterface.java b/helpers/DualityInterface.java
index 3aab7fea..430cffc7 100644
--- a/helpers/DualityInterface.java
+++ b/helpers/DualityInterface.java
@@ -319,6 +319,8 @@ public class DualityInterface implements IGridTickable, ISegmentedInventory, ISt
 
 	public void onInventoryChanged()
 	{
+		for (int slot = 0; slot < storage.getSizeInventory(); slot++)
+			onChangeInventory( storage, slot, InvOperation.onInventoryChanged, null, null );
 	}
 
 	@Override
@@ -360,8 +362,8 @@ public class DualityInterface implements IGridTickable, ISegmentedInventory, ISt
 
 	public boolean hasWorkToDo()
 	{
-		return requireWork[0] != null || requireWork[1] != null || requireWork[2] != null || requireWork[3] != null || requireWork[4] != null || requireWork[5] != null
-				|| requireWork[6] != null || requireWork[7] != null;
+		return requireWork[0] != null || requireWork[1] != null || requireWork[2] != null || requireWork[3] != null || requireWork[4] != null
+				|| requireWork[5] != null || requireWork[6] != null || requireWork[7] != null;
 	}
 
 	private boolean updateStorage()
diff --git a/tile/inventory/AppEngInternalInventory.java b/tile/inventory/AppEngInternalInventory.java
index 40a2d1d1..7c8a26d9 100644
--- a/tile/inventory/AppEngInternalInventory.java
+++ b/tile/inventory/AppEngInternalInventory.java
@@ -137,6 +137,15 @@ public class AppEngInternalInventory implements IInventory, Iterable<ItemStack>
 		}
 	}
 
+	// for guis...
+	public void onInventoryChanged(int slotIndex)
+	{
+		if ( te != null && eventsEnabled() )
+		{
+			te.onChangeInventory( this, slotIndex, InvOperation.onInventoryChanged, null, null );
+		}
+	}
+
 	@Override
 	public int getInventoryStackLimit()
 	{
@@ -242,4 +251,5 @@ public class AppEngInternalInventory implements IInventory, Iterable<ItemStack>
 	{
 		return new InvIterator( this );
 	}
+
 }
diff --git a/tile/misc/TileInterface.java b/tile/misc/TileInterface.java
index 2f2ae37c..32966f25 100644
--- a/tile/misc/TileInterface.java
+++ b/tile/misc/TileInterface.java
@@ -124,6 +124,12 @@ public class TileInterface extends AENetworkInvTile implements IGridTickable, IS
 		return duality.getInternalInventory();
 	}
 
+	@Override
+	public void onInventoryChanged()
+	{
+		duality.onInventoryChanged();
+	}
+
 	@Override
 	public void onChangeInventory(IInventory inv, int slot, InvOperation mc, ItemStack removed, ItemStack added)
 	{