Fixed wrong machine connection logic, fixes #318

CHANGELOG.md

@@ -15,6 +15,7 @@
 - Fixed fluids not caring about NBT tags (raoulvdberge)
 - Fixed fluids that have less than 1 bucket stored render only partly in Fluid Grid (raoulvdberge)
 - Fixed Fluid Interface voiding bucket when shift clicking to out slot (raoulvdberge)
+- Fixed wrong machine connection logic (raoulvdberge)
 - Updated to Forge 2077 (raoulvdberge)
 
 ### 0.9.4

src/main/java/refinedstorage/apiimpl/network/NetworkNodeGraph.java

@@ -107,19 +107,23 @@ public class NetworkNodeGraph implements INetworkNodeGraph {
             }
         }
 
+        List<INetworkNode> oldNodes = new ArrayList<>(nodes);
+
+        this.nodes = newNodes;
+
         boolean changed = false;
 
         if (notify) {
-            for (INetworkNode newNode : newNodes) {
-                if (!nodes.contains(newNode)) {
-                    newNode.onConnected(controller);
+            for (INetworkNode node : nodes) {
+                if (!oldNodes.contains(node)) {
+                    node.onConnected(controller);
 
                     changed = true;
                 }
             }
 
-            for (INetworkNode oldNode : nodes) {
-                if (!newNodes.contains(oldNode)) {
+            for (INetworkNode oldNode : oldNodes) {
+                if (!nodes.contains(oldNode)) {
                     oldNode.onDisconnected(controller);
 
                     changed = true;
@@ -127,8 +131,6 @@ public class NetworkNodeGraph implements INetworkNodeGraph {
             }
         }
 
-        this.nodes = newNodes;
-
         if (changed) {
             controller.getDataManager().sendParameterToWatchers(TileController.NODES);
         }