From de46e22840c8d0a26ed61e7533711529b7c9267e Mon Sep 17 00:00:00 2001
From: Ellpeck <megamaximal@gmail.com>
Date: Thu, 3 Nov 2016 10:54:28 +0100
Subject: [PATCH] Fix the item viewer, in very special cases, not updating its
 inventories

---
 .../actuallyadditions/mod/tile/TileEntityItemViewer.java     | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityItemViewer.java b/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityItemViewer.java
index 994d71ef8..8387aa5e0 100644
--- a/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityItemViewer.java
+++ b/src/main/java/de/ellpeck/actuallyadditions/mod/tile/TileEntityItemViewer.java
@@ -27,6 +27,8 @@ public class TileEntityItemViewer extends TileEntityInventoryBase{
     private final List<GenericItemHandlerInfo> genericInfos = new ArrayList<GenericItemHandlerInfo>();
     private final Map<Integer, SpecificItemHandlerInfo> specificInfos = new HashMap<Integer, SpecificItemHandlerInfo>();
     public TileEntityLaserRelayItem connectedRelay;
+
+    private Network oldNetwork;
     private int lastNetworkChangeAmount = -1;
 
     public TileEntityItemViewer(){
@@ -79,7 +81,7 @@ public class TileEntityItemViewer extends TileEntityInventoryBase{
     private void queryAndSaveData(){
         if(this.connectedRelay != null){
             Network network = ActuallyAdditionsAPI.connectionHandler.getNetworkFor(this.connectedRelay.getPos(), this.worldObj);
-            if(network != null && this.lastNetworkChangeAmount != network.changeAmount){
+            if(network != null && (this.oldNetwork != network || this.lastNetworkChangeAmount != network.changeAmount)){
                 this.genericInfos.clear();
                 this.specificInfos.clear();
 
@@ -98,6 +100,7 @@ public class TileEntityItemViewer extends TileEntityInventoryBase{
                     }
                 }
 
+                this.oldNetwork = network;
                 this.lastNetworkChangeAmount = network.changeAmount;
             }
         }