Make everything work again

src/main/java/refinedstorage/block/BlockExternalStorage.java

@@ -36,7 +36,7 @@ public class BlockExternalStorage extends BlockNode {
     public void neighborChanged(IBlockState state, World world, BlockPos pos, Block block) {
         super.neighborChanged(state, world, pos, block);
 
-        if (!world.isRemote) {
+        if (!world.isRemote && ((TileExternalStorage) world.getTileEntity(pos)).isConnected()) {
             ((TileExternalStorage) world.getTileEntity(pos)).updateStorage();
         }
     }

src/main/java/refinedstorage/tile/controller/TileController.java

@@ -194,12 +194,8 @@ public class TileController extends TileBase implements INetworkMaster, IEnergyR
             if (couldRun != canRun()) {
                 couldRun = canRun();
 
-                if (!couldRun && !nodes.isEmpty()) {
-                    disconnectAll();
-                } else if (couldRun) {
                 rebuildNodes();
             }
-            }
 
             if (getEnergyScaledForDisplay() != lastEnergyDisplay) {
                 lastEnergyDisplay = getEnergyScaledForDisplay();
@@ -225,6 +221,7 @@ public class TileController extends TileBase implements INetworkMaster, IEnergyR
         }
 
         nodes.clear();
+        nodesPos.clear();
     }
 
     @Override
@@ -383,6 +380,14 @@ public class TileController extends TileBase implements INetworkMaster, IEnergyR
 
     @Override
     public void rebuildNodes() {
+        if (!canRun()) {
+            if (!nodes.isEmpty()) {
+                disconnectAll();
+            }
+
+            return;
+        }
+
         List<INetworkNode> newNodes = new ArrayList<INetworkNode>();
         Set<BlockPos> newNodesPos = new HashSet<BlockPos>();
 
@@ -424,20 +429,23 @@ public class TileController extends TileBase implements INetworkMaster, IEnergyR
             }
         }
 
-        for (INetworkNode newNode : newNodes) {
+        List<INetworkNode> oldNodes = new ArrayList<INetworkNode>(nodes);
-            if (!nodesPos.contains(newNode.getPosition())) {
+        Set<BlockPos> oldNodesPos = new HashSet<BlockPos>(nodesPos);
+
+        this.nodes = newNodes;
+        this.nodesPos = newNodesPos;
+
+        for (INetworkNode newNode : nodes) {
+            if (!oldNodesPos.contains(newNode.getPosition())) {
                 newNode.onConnected(this);
             }
         }
 
-        for (INetworkNode oldNode : nodes) {
+        for (INetworkNode oldNode : oldNodes) {
-            if (!newNodesPos.contains(oldNode.getPosition())) {
+            if (!nodesPos.contains(oldNode.getPosition())) {
                 oldNode.onDisconnected();
             }
         }
-
-        this.nodes = newNodes;
-        this.nodesPos = newNodesPos;
     }
 
     @Override
@@ -667,6 +675,8 @@ public class TileController extends TileBase implements INetworkMaster, IEnergyR
     @Override
     public void setRedstoneMode(RedstoneMode mode) {
         this.redstoneMode = mode;
+
+        markDirty();
     }
 
     @Override

src/main/java/refinedstorage/tile/externalstorage/TileExternalStorage.java

@@ -42,6 +42,7 @@ public class TileExternalStorage extends TileNode implements IStorageProvider, I
 
     private List<ExternalStorage> storages = new ArrayList<ExternalStorage>();
     private int lastDrawerCount;
+    private boolean updatedOnce;
 
     @Override
     public int getEnergyUsage() {
@@ -57,17 +58,23 @@ public class TileExternalStorage extends TileNode implements IStorageProvider, I
         super.onConnectionChange(network, state);
 
         network.getStorage().rebuild();
+
+        updatedOnce = false;
     }
 
     @Override
     public void update() {
-        if (ticks == 0) {
+        if (isConnected()) {
+            if (!updatedOnce) {
                 updateStorage();
+
+                updatedOnce = true;
             } else if (getFacingTile() instanceof IDrawerGroup && lastDrawerCount != ((IDrawerGroup) getFacingTile()).getDrawerCount()) {
                 lastDrawerCount = ((IDrawerGroup) getFacingTile()).getDrawerCount();
 
                 updateStorage();
             }
+        }
 
         super.update();
     }
@@ -192,10 +199,8 @@ public class TileExternalStorage extends TileNode implements IStorageProvider, I
             }
         }
 
-        if (network != null) {
         network.getStorage().rebuild();
     }
-    }
 
     @Override
     public void addStorages(List<IStorage> storages) {