v47

thank you @Yefancy

CHANGES.md

@@ -15,10 +15,6 @@ Fixes:
  - Exclusive Blocking mode for GTCE ( shapes, molds and configured circuits do not block GTCE machines )
  - Blocking modes default to block on any item in the iventory the entity exposes
  - Fuzzy includes items that report that they're damageable, but report a maxDamage of 0 ( auto-crafting of basic capacitors -> resonant capacitors is now possible ) <- Broken item implementation.
- - Fix CME exceptions on the energy grid
- - Fix AE going offline even with enough power by extracting from the local buffer always last
- - Fix IO-Port copying craftable flag into items
- - Fix NBT of old items not clearing on drives that reached 64 types once
 
 Performance:
 
@@ -28,9 +24,6 @@ Performance:
  - Count items set in interfaces before queuing crafting for them needlessly
  - Backported b7ca98d ( Avoid copying items on simulated item extraction )
  - Cache some level emitters functions
- - Reduced import bus insert simulation to 1 before real insertion (if possible)
- - Backported itemlist re-implementation along with pattern changes to avoid CraftingManager fallback issues
- - Instead of recalculating all the content of the network on every change, track the changes properly and apply them to the cached list of items
 
 QOL:
 
@@ -38,7 +31,7 @@ QOL:
  - Added bar on the interface terminal that search by inputs ( The one on the LEFT, also searchs by interface name )
  - Shortcut to molecular assemblers with free slots on the terminal interface by @Theisyat
  - Toggle button on interface terminal to hide full interfaces
- - JEI "U", "R" and "A" (Usages/Recipes/Bookmark) now work on the Crafting Status GUI. ( the one that shows the total items to craft, and whats missing)
+ - JEI "U""R" and "A" (Usages/Recipes/Bookmark) now work on the Crafting Status GUI. ( the one that shows the total items to craft, and whats missing)
  - Patterns can now be made with items currently showing on JEI. ( This is overriden by Just Enough Energistics. )
  - Added multiplier buttons to processing pattern gui
  - Switched crafting terminal JEI search to fuzzy mode. If the recipe uses a damageable item, AE will try to grab it ( damaged tools )
@@ -46,11 +39,7 @@ QOL:
  - Encoded patterns can be draggred on the interface terminal.
  - Storage Monitor and Conversion Monitor now also ccepts fluids
  - Draggable JEI ghost items (also works on bookmarked items. SHIFT + Click will move the hovered item into the first free target slot)
- - JEI auto switches between crafting and processing patterns
- - GTCE Blocking mode work through phantom itemfaces
- - Shift-clicking blank patterns into the pattern terminal will try to fill the blank pattern slots first
- - Mismached simulated/real item count ( most often due to compacting drawers ) will now tell the player wich item cause the failure when trying to start a craft
- - Added 'pattern expansion' cards that adds an extra row of patterns to interfaces. up to 3 card on an interface. (each card will increase the interface idle power draw by 4 times)
+  -JEI auto switches between crafting and processing patterns
 
 HOTKEYS:
 

gradle.properties

@@ -3,7 +3,7 @@ aechannel=stable
 aebuild=7
 aegroup=appeng
 aebasename=appliedenergistics2
-trousers=omni-fixes-v49b
+trousers=omni-fixes-v47
 
 #########################################################
 # Versions                                              #

src/api/java/appeng/api/networking/storage/IStackWatcherHost.java

@@ -44,7 +44,10 @@ public interface IStackWatcherHost
 	/**
 	 * Called when a watched item changes amounts.
 	 *
+	 * @param o changed item list
+	 * @param fullStack old stack
 	 * @param diffStack new stack
+	 * @param src action source
 	 * @param chan storage channel
 	 */
 	void onStackChange( IItemList<?> o, IAEStack<?> fullStack, IAEStack<?> diffStack, IActionSource src, IStorageChannel<?> chan );

src/api/java/appeng/api/networking/storage/IStorageGrid.java

@@ -51,7 +51,6 @@ public interface IStorageGrid extends IGridCache, IStorageMonitorable
 	 * @param input injected items
 	 */
 	void postAlterationOfStoredItems( IStorageChannel<?> chan, Iterable<? extends IAEStack<?>> input, IActionSource src );
-	void postCraftablesChanges( IStorageChannel<?> chan, Iterable<? extends IAEStack<?>> input, IActionSource src);
 
 	/**
 	 * Used to add a cell provider to the storage system

src/main/java/appeng/core/localization/WailaText.java

@@ -31,10 +31,8 @@ public enum WailaText
 	DeviceMissingChannel,
 
 	P2PUnlinked,
-	P2P_INPUT_ONE_OUTPUT,
-	P2P_INPUT_MANY_OUTPUTS,
-	P2P_OUTPUT_ONE_INPUT,
-	P2P_OUTPUT_MANY_INPUTS,
+	P2PInputOneOutput,
+	P2PInputManyOutputs,
 	P2POutput,
 
 	Locked,

src/main/java/appeng/crafting/CraftingJob.java

@@ -325,9 +325,25 @@ public class CraftingJob implements Runnable, ICraftingJob
 			{
 				this.watch.reset();
 				this.watch.start();
+				this.running = true;
+
+				AELog.craftingDebug( "main thread is now going to sleep" );
+
 				this.monitor.notify();
+
+				while ( this.running )
+				{
+					try
+					{
+						this.monitor.wait();
+					}
+					catch( final InterruptedException ignored )
+					{
+					}
+				}
+
+				AELog.craftingDebug( "main thread is now active" );
 			}
-			this.running = true;
 		}
 
 		return true;

src/main/java/appeng/crafting/CraftingTreeNode.java

@@ -25,7 +25,6 @@ import java.util.List;
 
 import com.google.common.collect.Lists;
 
-import net.minecraft.util.text.TextComponentString;
 import net.minecraft.world.World;
 
 import appeng.api.AEApi;
@@ -124,43 +123,18 @@ public class CraftingTreeNode
 		final List<IAEItemStack> thingsUsed = new ArrayList<>();
 
 		this.what.setStackSize( l );
-		IAEItemStack available = inv.extractItems( this.what, Actionable.MODULATE, src );
-
-		if( available != null )
-		{
-			if( !this.exhausted )
-			{
-				final IAEItemStack is = this.job.checkUse( available );
-
-				if( is != null )
-				{
-					thingsUsed.add( is.copy() );
-					this.used.add( is );
-				}
-			}
-
-			this.bytes += available.getStackSize();
-			l -= available.getStackSize();
-
-			if( l == 0 )
-			{
-				return available;
-			}
-		}
-
-		else if( this.getSlot() >= 0 && this.parent != null && this.parent.details.isCraftable() )
+		if( this.getSlot() >= 0 && this.parent != null && this.parent.details.isCraftable() )
 		{
 			final Collection<IAEItemStack> itemList;
 			final IItemList<IAEItemStack> inventoryList = inv.getItemList();
 
 			if( this.parent.details.canSubstitute() )
 			{
-				final List<IAEItemStack> substitutes = this.parent.details.getSubstituteInputs( this.slot );
-				itemList = new ArrayList<>( substitutes.size() );
+				final List<IAEItemStack> substitutes = this.parent.details.getSubstituteInputs(this.slot);
+				itemList = new ArrayList<>(substitutes.size());
 
-				for( IAEItemStack stack : substitutes )
-				{
-					itemList.addAll( inventoryList.findFuzzy( stack, FuzzyMode.IGNORE_ALL ) );
+				for (IAEItemStack stack : substitutes) {
+					itemList.addAll(inventoryList.findFuzzy(stack, FuzzyMode.IGNORE_ALL));
 				}
 			}
 			else
@@ -182,7 +156,7 @@ public class CraftingTreeNode
 					fuzz = fuzz.copy();
 					fuzz.setStackSize( l );
 
-					available = inv.extractItems( fuzz, Actionable.MODULATE, src );
+					final IAEItemStack available = inv.extractItems( fuzz, Actionable.MODULATE, src );
 
 					if( available != null )
 					{
@@ -208,6 +182,32 @@ public class CraftingTreeNode
 				}
 			}
 		}
+		else
+		{
+			final IAEItemStack available = inv.extractItems( this.what, Actionable.MODULATE, src );
+
+			if( available != null )
+			{
+				if( !this.exhausted )
+				{
+					final IAEItemStack is = this.job.checkUse( available );
+
+					if( is != null )
+					{
+						thingsUsed.add( is.copy() );
+						this.used.add( is );
+					}
+				}
+
+				this.bytes += available.getStackSize();
+				l -= available.getStackSize();
+
+				if( l == 0 )
+				{
+					return available;
+				}
+			}
+		}
 
 		if( this.canEmit )
 		{
@@ -226,7 +226,7 @@ public class CraftingTreeNode
 		{
 			final CraftingTreeProcess pro = this.nodes.get( 0 );
 
-			while ( pro.possible && l > 0 )
+			while( pro.possible && l > 0 )
 			{
 				final IAEItemStack madeWhat = pro.getAmountCrafted( this.what );
 
@@ -234,7 +234,7 @@ public class CraftingTreeNode
 
 				madeWhat.setStackSize( l );
 
-				available = inv.extractItems( madeWhat, Actionable.MODULATE, src );
+				final IAEItemStack available = inv.extractItems( madeWhat, Actionable.MODULATE, src );
 
 				if( available != null )
 				{
@@ -258,13 +258,13 @@ public class CraftingTreeNode
 			{
 				try
 				{
-					while ( pro.possible && l > 0 )
+					while( pro.possible && l > 0 )
 					{
 						final MECraftingInventory subInv = new MECraftingInventory( inv, true, true, true );
 						pro.request( subInv, 1, src );
 
 						this.what.setStackSize( l );
-						available = subInv.extractItems( this.what, Actionable.MODULATE, src );
+						final IAEItemStack available = subInv.extractItems( this.what, Actionable.MODULATE, src );
 
 						if( available != null )
 						{
@@ -321,7 +321,7 @@ public class CraftingTreeNode
 		}
 		// missing = 0;
 
-		job.addBytes( this.bytes );
+		job.addBytes( 8 + this.bytes );
 
 		for( final CraftingTreeProcess pro : this.nodes )
 		{
@@ -358,10 +358,6 @@ public class CraftingTreeNode
 
 			if( ex == null || ex.getStackSize() != i.getStackSize() )
 			{
-				if( src.player().isPresent() )
-				{
-					src.player().get().sendStatusMessage( new TextComponentString( "System reported " + i.getStackSize() + " " + i.getDefinition().getItem().getItemStackDisplayName( i.getDefinition() ) + " available but could not extract anything" ), false );
-				}
 				throw new CraftBranchFailure( i, i.getStackSize() );
 			}
 

src/main/java/appeng/crafting/CraftingTreeProcess.java

@@ -241,6 +241,7 @@ public class CraftingTreeProcess
 			o.setStackSize( o.getStackSize() * i );
 			inv.injectItems( o, Actionable.MODULATE, src );
 		}
+
 		this.crafts += i;
 	}
 
@@ -252,7 +253,7 @@ public class CraftingTreeProcess
 			pro.dive( job );
 		}
 
-		job.addBytes( this.crafts * 8 + this.bytes );
+		job.addBytes( 8 + this.crafts + this.bytes );
 	}
 
 	IAEItemStack getAmountCrafted( IAEItemStack what2 )

src/main/java/appeng/crafting/MECraftingInventory.java

@@ -312,13 +312,9 @@ public class MECraftingInventory implements IMEInventory<IAEItemStack>
 					if( src.player().isPresent() )
 					{
 						if( result == null )
-						{
-							src.player().get().sendStatusMessage( new TextComponentString( "System reported " + extra.getStackSize() + " " + extra.getDefinition().getItem().getItemStackDisplayName( extra.getDefinition() ) + " available but could not extract anything" ), false );
-						}
+							src.player().get().sendStatusMessage( new TextComponentString( "System reported " + extra.getStackSize() + " " + extra.getDefinition().getDisplayName() + " available but could not extract anything" ), false );
 						else
-						{
-							src.player().get().sendStatusMessage( new TextComponentString( "System reported " + extra.getStackSize() + " " + extra.getDefinition().getItem().getItemStackDisplayName( extra.getDefinition() ) + " available but could only extract " + result.getStackSize() ), false );
-						}
+							src.player().get().sendStatusMessage( new TextComponentString( "System reported " + extra.getStackSize() + " " + extra.getDefinition().getDisplayName() + " available but could only extract " + result.getStackSize() ), false );
 					}
 					failed = true;
 					if( !src.player().isPresent() ) break;

src/main/java/appeng/fluids/helper/DualityFluidInterface.java

@@ -91,10 +91,12 @@ public class DualityFluidInterface implements IGridTickable, IStorageMonitorable
 	private int isWorking = -1;
 	private int priority;
 
-	private final MEMonitorPassThrough<IAEItemStack> items = new MEMonitorPassThrough<>( new NullInventory<IAEItemStack>(), AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) );
-	private final MEMonitorPassThrough<IAEFluidStack> fluids = new MEMonitorPassThrough<>( new NullInventory<IAEFluidStack>(), AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ) );
-	private boolean resetConfigCache;
-	private IMEMonitor<IAEFluidStack> configCachedHandler;
+	private final MEMonitorPassThrough<IAEItemStack> items = new MEMonitorPassThrough<>( new NullInventory<IAEItemStack>(), AEApi.instance()
+			.storage()
+			.getStorageChannel( IItemStorageChannel.class ) );
+	private final MEMonitorPassThrough<IAEFluidStack> fluids = new MEMonitorPassThrough<>( new NullInventory<IAEFluidStack>(), AEApi.instance()
+			.storage()
+			.getStorageChannel( IFluidStorageChannel.class ) );
 
 	public DualityFluidInterface( final AENetworkProxy networkProxy, final IFluidInterfaceHost ih )
 	{
@@ -144,12 +146,7 @@ public class DualityFluidInterface implements IGridTickable, IStorageMonitorable
 		{
 			if( this.hasConfig() )
 			{
-				if( resetConfigCache )
-				{
-					resetConfigCache = false;
-					configCachedHandler = new InterfaceInventory( this );
-				}
-				return (IMEMonitor<T>) configCachedHandler;
+				return (IMEMonitor<T>) new InterfaceInventory( this );
 			}
 
 			return (IMEMonitor<T>) this.fluids;
@@ -386,7 +383,7 @@ public class DualityFluidInterface implements IGridTickable, IStorageMonitorable
 				{
 					changed = true;
 				}
-				else if( this.gridProxy.getStorage().getInventory( AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ) ).getStorageList().findPrecise( work ) != null )
+				else
 				{
 					final IAEFluidStack acquired = Platform.poweredExtraction( src, dest, work, this.interfaceRequestSource );
 					if( acquired != null )
@@ -453,12 +450,7 @@ public class DualityFluidInterface implements IGridTickable, IStorageMonitorable
 
 		if( inventory == this.config )
 		{
-			boolean cfg = hasConfig();
 			this.readConfig();
-			if( cfg != hasConfig )
-			{
-				resetConfigCache = true;
-			}
 		}
 		else if( inventory == this.tanks )
 		{
@@ -563,6 +555,7 @@ public class DualityFluidInterface implements IGridTickable, IStorageMonitorable
 		InterfaceInventory( final DualityFluidInterface tileInterface )
 		{
 			super( tileInterface.tanks );
+			this.setActionSource( new MachineSource( tileInterface.iHost ) );
 		}
 
 		@Override

src/main/java/appeng/fluids/parts/FluidHandlerAdapter.java

@@ -19,15 +19,16 @@
 package appeng.fluids.parts;
 
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
 
-import appeng.api.config.AccessRestriction;
 import appeng.api.config.Settings;
 import appeng.api.config.StorageFilter;
-import appeng.api.storage.data.IAEItemStack;
-import appeng.me.GridAccessException;
-import appeng.util.inv.ItemSlot;
-import net.minecraft.item.ItemStack;
+import appeng.parts.misc.PartStorageBus;
 import net.minecraftforge.fluids.FluidStack;
 import net.minecraftforge.fluids.capability.IFluidHandler;
 import net.minecraftforge.fluids.capability.IFluidTankProperties;
@@ -44,6 +45,7 @@ import appeng.api.storage.channels.IFluidStorageChannel;
 import appeng.api.storage.data.IAEFluidStack;
 import appeng.api.storage.data.IItemList;
 import appeng.fluids.util.AEFluidStack;
+import appeng.me.GridAccessException;
 import appeng.me.helpers.IGridProxyable;
 import appeng.me.storage.ITickingMonitor;
 
@@ -63,20 +65,17 @@ public class FluidHandlerAdapter implements IMEInventory<IAEFluidStack>, IBaseMo
 	private final IGridProxyable proxyable;
 	private final FluidHandlerAdapter.InventoryCache cache;
 	private StorageFilter mode;
-	private AccessRestriction access;
 
 	FluidHandlerAdapter( IFluidHandler fluidHandler, IGridProxyable proxy )
 	{
 		this.fluidHandler = fluidHandler;
 		this.proxyable = proxy;
-		if( this.proxyable instanceof PartFluidStorageBus )
+		if( this.proxyable instanceof PartStorageBus )
 		{
-			PartFluidStorageBus partFluidStorageBus = (PartFluidStorageBus) this.proxyable;
-			this.mode = ( (StorageFilter) partFluidStorageBus.getConfigManager().getSetting( Settings.STORAGE_FILTER ) );
-			this.access = ( (AccessRestriction) partFluidStorageBus.getConfigManager().getSetting( Settings.ACCESS ) );
+			PartStorageBus partStorageBus = (PartStorageBus) this.proxyable;
+			this.mode = ( (StorageFilter) partStorageBus.getConfigManager().getSetting( Settings.STORAGE_FILTER ) );
 		}
-		this.cache = new FluidHandlerAdapter.InventoryCache( this.fluidHandler, this.mode );
-		this.cache.update();
+		this.cache = new FluidHandlerAdapter.InventoryCache( this.fluidHandler, this.mode);
 	}
 
 	@Override
@@ -95,14 +94,11 @@ public class FluidHandlerAdapter implements IMEInventory<IAEFluidStack>, IBaseMo
 
 		if( type == Actionable.MODULATE )
 		{
-			IAEFluidStack added = input.copy().setStackSize( input.getStackSize() - remaining );
-			this.cache.currentlyCached.add( added );
-			this.postDifference( Collections.singletonList( added ) );
 			try
 			{
 				this.proxyable.getProxy().getTick().alertDevice( this.proxyable.getProxy().getNode() );
 			}
-			catch( GridAccessException ex )
+			catch( GridAccessException ignore )
 			{
 				// meh
 			}
@@ -127,32 +123,25 @@ public class FluidHandlerAdapter implements IMEInventory<IAEFluidStack>, IBaseMo
 			return null;
 		}
 
-		IAEFluidStack gatheredAEFluidstack = AEFluidStack.fromFluidStack( gathered );
 		if( mode == Actionable.MODULATE )
 		{
-			IAEFluidStack cachedStack = this.cache.currentlyCached.findPrecise( request );
-			if( cachedStack != null )
-			{
-				cachedStack.decStackSize( gatheredAEFluidstack.getStackSize() );
-				this.postDifference( Collections.singletonList( gatheredAEFluidstack.copy().setStackSize( -gatheredAEFluidstack.getStackSize() ) ) );
-			}
 			try
 			{
 				this.proxyable.getProxy().getTick().alertDevice( this.proxyable.getProxy().getNode() );
 			}
-			catch( GridAccessException ex )
+			catch( GridAccessException ignore )
 			{
 				// meh
 			}
 		}
-		return gatheredAEFluidstack;
+		return AEFluidStack.fromFluidStack( gathered );
 	}
 
 	@Override
 	public TickRateModulation onTick()
 	{
 		List<IAEFluidStack> changes = this.cache.update();
-		if( !changes.isEmpty() && access.hasPermission( AccessRestriction.READ ) )
+		if( !changes.isEmpty() )
 		{
 			this.postDifference( changes );
 			return TickRateModulation.URGENT;
@@ -213,9 +202,9 @@ public class FluidHandlerAdapter implements IMEInventory<IAEFluidStack>, IBaseMo
 
 	private static class InventoryCache
 	{
+		private IAEFluidStack[] cachedAeStacks = new IAEFluidStack[0];
 		private final IFluidHandler fluidHandler;
 		private final StorageFilter mode;
-		IItemList<IAEFluidStack> currentlyCached = AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ).createList();
 
 		public InventoryCache( IFluidHandler fluidHandler, StorageFilter mode )
 		{
@@ -227,46 +216,102 @@ public class FluidHandlerAdapter implements IMEInventory<IAEFluidStack>, IBaseMo
 		{
 			final List<IAEFluidStack> changes = new ArrayList<>();
 			final IFluidTankProperties[] tankProperties = this.fluidHandler.getTankProperties();
+			final int slots = tankProperties.length;
 
-			IItemList<IAEFluidStack> currentlyOnStorage = AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ).createList();
-
-			for( IFluidTankProperties tankProperty : tankProperties )
+			// Make room for new slots
+			if( slots > this.cachedAeStacks.length )
 			{
-				if( this.mode == StorageFilter.EXTRACTABLE_ONLY && this.fluidHandler.drain( 1, false ) == null )
+				this.cachedAeStacks = Arrays.copyOf( this.cachedAeStacks, slots );
+			}
+
+			for( int slot = 0; slot < slots; slot++ )
+			{
+				// Save the old stuff
+				final IAEFluidStack oldAEFS = this.cachedAeStacks[slot];
+				FluidStack newFS = tankProperties[slot].getContents();
+				if( this.mode == StorageFilter.EXTRACTABLE_ONLY && newFS != null )
 				{
-					continue;
+					if( this.fluidHandler.drain( 1, false ) == null )
+					{
+						newFS = null;
+					}
 				}
-				currentlyOnStorage.add( AEFluidStack.fromFluidStack( tankProperty.getContents() ) );
+				this.handlePossibleSlotChanges( slot, oldAEFS, newFS, changes );
 			}
 
-			for ( final IAEFluidStack is : currentlyCached )
+			// Handle cases where the number of slots actually is lower now than before
+			if( slots < this.cachedAeStacks.length )
 			{
-				is.setStackSize( -is.getStackSize() );
-			}
-
-			for ( final IAEFluidStack is : currentlyOnStorage )
-			{
-				currentlyCached.add( is );
-			}
-
-			for ( final IAEFluidStack is : currentlyCached )
-			{
-				if( is.getStackSize() != 0 )
+				for( int slot = slots; slot < this.cachedAeStacks.length; slot++ )
 				{
-					changes.add( is );
+					final IAEFluidStack aeStack = this.cachedAeStacks[slot];
+
+					if( aeStack != null )
+					{
+						final IAEFluidStack a = aeStack.copy();
+						a.setStackSize( -a.getStackSize() );
+						changes.add( a );
+					}
 				}
+
+				this.cachedAeStacks = Arrays.copyOf( this.cachedAeStacks, slots );
 			}
-
-			currentlyCached = currentlyOnStorage;
-
 			return changes;
 		}
 
 		public IItemList<IAEFluidStack> getAvailableItems( IItemList<IAEFluidStack> out )
 		{
-			currentlyCached.iterator().forEachRemaining( out::add );
+			Arrays.stream( this.cachedAeStacks ).forEach( out::add );
 			return out;
 		}
 
+		private void handlePossibleSlotChanges( int slot, IAEFluidStack oldAeFS, FluidStack newFS, List<IAEFluidStack> changes )
+		{
+			if( oldAeFS != null && oldAeFS.getFluidStack().isFluidEqual( newFS ) )
+			{
+				this.handleStackSizeChanged( slot, oldAeFS, newFS, changes );
+			}
+			else
+			{
+				this.handleFluidChanged( slot, oldAeFS, newFS, changes );
+			}
+		}
+
+		private void handleStackSizeChanged( int slot, IAEFluidStack oldAeFS, FluidStack newFS, List<IAEFluidStack> changes )
+		{
+			// Still the same fluid, but amount might have changed
+			final long diff = newFS.amount - oldAeFS.getStackSize();
+
+			if( diff != 0 )
+			{
+				final IAEFluidStack stack = oldAeFS.copy();
+				stack.setStackSize( newFS.amount );
+
+				this.cachedAeStacks[slot] = stack;
+
+				final IAEFluidStack a = stack.copy();
+				a.setStackSize( diff );
+				changes.add( a );
+			}
+		}
+
+		private void handleFluidChanged( int slot, IAEFluidStack oldAeFS, FluidStack newFS, List<IAEFluidStack> changes )
+		{
+			// Completely different fluid
+			this.cachedAeStacks[slot] = AEFluidStack.fromFluidStack( newFS );
+
+			// If we had a stack previously in this slot, notify the network about its disappearance
+			if( oldAeFS != null )
+			{
+				oldAeFS.setStackSize( -oldAeFS.getStackSize() );
+				changes.add( oldAeFS );
+			}
+
+			// Notify the network about the new stack. Note that this is null if newFS was null
+			if( this.cachedAeStacks[slot] != null )
+			{
+				changes.add( this.cachedAeStacks[slot] );
+			}
+		}
 	}
 }

src/main/java/appeng/fluids/parts/PartFluidFormationPlane.java

@@ -178,9 +178,8 @@ public class PartFluidFormationPlane extends PartAbstractFormationPlane<IAEFluid
 		this.stateChanged();
 	}
 
-	@Override
 	@MENetworkEventSubscribe
-	public void chanRender( final MENetworkChannelsChanged changedChannels )
+	public void updateChannels( final MENetworkChannelsChanged changedChannels )
 	{
 		this.stateChanged();
 	}
@@ -205,7 +204,7 @@ public class PartFluidFormationPlane extends PartAbstractFormationPlane<IAEFluid
 	@Override
 	public List<IMEInventoryHandler> getCellArray( final IStorageChannel channel )
 	{
-		if( channel == AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ) )
+		if( this.getProxy().isActive() && channel == AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ) )
 		{
 			final List<IMEInventoryHandler> handler = new ArrayList<>( 1 );
 			handler.add( this.myHandler );

src/main/java/appeng/fluids/parts/PartFluidInterface.java

@@ -90,16 +90,14 @@ public class PartFluidInterface extends PartBasicState implements IGridTickable,
 		return this.duality;
 	}
 
-	@Override
 	@MENetworkEventSubscribe
-	public void chanRender( final MENetworkChannelsChanged c )
+	public void stateChange( final MENetworkChannelsChanged c )
 	{
 		this.duality.notifyNeighbors();
 	}
 
-	@Override
 	@MENetworkEventSubscribe
-	public void powerRender( final MENetworkPowerStatusChange c )
+	public void stateChange( final MENetworkPowerStatusChange c )
 	{
 		this.duality.notifyNeighbors();
 	}

src/main/java/appeng/fluids/parts/PartFluidLevelEmitter.java

@@ -4,9 +4,7 @@ package appeng.fluids.parts;
 
 import java.util.Random;
 
-import appeng.api.storage.data.IItemList;
 import appeng.fluids.helper.IConfigurableFluidInventory;
-import appeng.me.cache.NetworkMonitor;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
@@ -36,6 +34,7 @@ import appeng.api.storage.IStorageChannel;
 import appeng.api.storage.channels.IFluidStorageChannel;
 import appeng.api.storage.data.IAEFluidStack;
 import appeng.api.storage.data.IAEStack;
+import appeng.api.storage.data.IItemList;
 import appeng.api.util.AECableType;
 import appeng.api.util.AEPartLocation;
 import appeng.api.util.IConfigManager;
@@ -115,7 +114,7 @@ public class PartFluidLevelEmitter extends PartUpgradeable implements IStackWatc
 	@Override
 	public void onStackChange( IItemList<?> o, IAEStack<?> fullStack, IAEStack<?> diffStack, IActionSource src, IStorageChannel<?> chan )
 	{
-		if( chan == AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ) && diffStack.equals( this.config.getFluidInSlot( 0 ) ) )
+		if( chan == AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ) && fullStack.equals( this.config.getFluidInSlot( 0 ) ) )
 		{
 			this.lastReportedValue = fullStack.getStackSize();
 			this.updateState();
@@ -128,25 +127,15 @@ public class PartFluidLevelEmitter extends PartUpgradeable implements IStackWatc
 		this.configureWatchers();
 	}
 
-	@Override
 	@MENetworkEventSubscribe
-	public void powerRender( final MENetworkPowerStatusChange powerEvent )
+	public void channelChanged( final MENetworkChannelsChanged c )
 	{
-		if (this.getProxy().isActive())
-		{
-			onListUpdate();
-		}
 		this.updateState();
 	}
 
-	@Override
 	@MENetworkEventSubscribe
-	public void chanRender( final MENetworkChannelsChanged c )
+	public void powerChanged( final MENetworkPowerStatusChange c )
 	{
-		if (this.getProxy().isActive())
-		{
-			onListUpdate();
-		}
 		this.updateState();
 	}
 
@@ -258,9 +247,10 @@ public class PartFluidLevelEmitter extends PartUpgradeable implements IStackWatc
 
 		if( myStack == null )
 		{
-			if( monitor instanceof NetworkMonitor )
+			this.lastReportedValue = 0;
+			for( final IAEFluidStack st : monitor.getStorageList() )
 			{
-				this.lastReportedValue = ( (NetworkMonitor<IAEFluidStack>) monitor ).getGridCurrentCount();
+				this.lastReportedValue += st.getStackSize();
 			}
 		}
 		else

src/main/java/appeng/fluids/parts/PartFluidStorageBus.java

@@ -25,11 +25,7 @@ import java.util.Objects;
 
 import javax.annotation.Nonnull;
 
-import appeng.api.networking.storage.IStorageGrid;
-import appeng.api.storage.channels.IItemStorageChannel;
 import appeng.fluids.helper.IConfigurableFluidInventory;
-import appeng.me.cache.GridStorageCache;
-import appeng.util.ConfigManager;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
@@ -171,27 +167,11 @@ public class PartFluidStorageBus extends PartSharedStorageBus implements IMEMoni
 		final boolean fullReset = this.resetCacheLogic == 2;
 		this.resetCacheLogic = 0;
 
-		final MEInventoryHandler<IAEFluidStack> in = this.getInternalHandler();
+		final IMEInventory<IAEFluidStack> in = this.getInternalHandler();
 		IItemList<IAEFluidStack> before = AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ).createList();
 		if( in != null )
 		{
-			if( accessChanged )
-			{
-				AccessRestriction currentAccess = (AccessRestriction) ( (ConfigManager) this.getConfigManager() ).getSetting( Settings.ACCESS );
-				AccessRestriction oldAccess = (AccessRestriction) ( (ConfigManager) this.getConfigManager() ).getOldSetting( Settings.ACCESS );
-				if( oldAccess.hasPermission( AccessRestriction.READ ) && !currentAccess.hasPermission( AccessRestriction.READ ) )
-				{
-					readOncePass = true;
-				}
-				in.setBaseAccess( oldAccess );
-				before = in.getAvailableItems( before );
-				in.setBaseAccess( currentAccess );
-				accessChanged = false;
-			}
-			else
-			{
-				before = in.getAvailableItems( before );
-			}
+			before = in.getAvailableItems( before );
 		}
 
 		this.cached = false;
@@ -200,11 +180,11 @@ public class PartFluidStorageBus extends PartSharedStorageBus implements IMEMoni
 			this.handlerHash = 0;
 		}
 
-		final MEInventoryHandler<IAEFluidStack> out = this.getInternalHandler();
-		IItemList<IAEFluidStack> after = AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ).createList();
+		final IMEInventory<IAEFluidStack> out = this.getInternalHandler();
 
 		if( in != out )
 		{
+			IItemList<IAEFluidStack> after = AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ).createList();
 			if( out != null )
 			{
 				after = out.getAvailableItems( after );
@@ -227,7 +207,7 @@ public class PartFluidStorageBus extends PartSharedStorageBus implements IMEMoni
 		{
 			this.resetCacheLogic = 2;
 		}
-		else if( this.resetCacheLogic < 2 )
+		else
 		{
 			this.resetCacheLogic = 1;
 		}
@@ -284,29 +264,14 @@ public class PartFluidStorageBus extends PartSharedStorageBus implements IMEMoni
 	@Override
 	public void postChange( final IBaseMonitor<IAEFluidStack> monitor, final Iterable<IAEFluidStack> change, final IActionSource source )
 	{
-		if( this.getProxy().isActive() )
+		if( source == this.source || source.machine().map( machine -> machine == this ).orElse( false ) )
 		{
-			AccessRestriction currentAccess = (AccessRestriction) ( (ConfigManager) this.getConfigManager() ).getSetting( Settings.ACCESS );
-			if( readOncePass )
-			{
-				readOncePass = false;
-				try
-				{
-					this.getProxy().getStorage().postAlterationOfStoredItems( AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ), change, source );
-				}
-				catch( final GridAccessException e )
-				{
-					// :(
-				}
-				return;
-			}
-			if( !currentAccess.hasPermission( AccessRestriction.READ ) )
-			{
-				return;
-			}
 			try
 			{
-				this.getProxy().getStorage().postAlterationOfStoredItems( AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ), change, source );
+				if( this.getProxy().isActive() )
+				{
+					this.getProxy().getStorage().postAlterationOfStoredItems( AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ), change, this.source );
+				}
 			}
 			catch( final GridAccessException e )
 			{
@@ -336,10 +301,6 @@ public class PartFluidStorageBus extends PartSharedStorageBus implements IMEMoni
 
 		this.handlerHash = newHandlerHash;
 		this.handler = null;
-		if( this.monitor != null )
-		{
-			( (IBaseMonitor<IAEFluidStack>) monitor ).removeListener( this );
-		}
 		this.monitor = null;
 		if( target != null )
 		{
@@ -347,8 +308,7 @@ public class PartFluidStorageBus extends PartSharedStorageBus implements IMEMoni
 			if( inv instanceof ITickingMonitor )
 			{
 				this.monitor = (ITickingMonitor) inv;
-				this.monitor.setActionSource( this.source );
-				this.monitor.setMode( (StorageFilter) this.getConfigManager().getSetting( Settings.STORAGE_FILTER ) );
+				this.monitor.setActionSource( new MachineSource( this ) );
 			}
 
 			if( inv != null )
@@ -385,10 +345,7 @@ public class PartFluidStorageBus extends PartSharedStorageBus implements IMEMoni
 
 				if( inv instanceof IBaseMonitor )
 				{
-					if( ( (AccessRestriction) ( (ConfigManager) this.getConfigManager() ).getSetting( Settings.ACCESS ) ).hasPermission( AccessRestriction.READ ) )
-					{
-						( (IBaseMonitor<IAEFluidStack>) inv ).addListener( this, this.handler );
-					}
+					( (IBaseMonitor<IAEFluidStack>) inv ).addListener( this, this.handler );
 				}
 			}
 		}
@@ -417,7 +374,7 @@ public class PartFluidStorageBus extends PartSharedStorageBus implements IMEMoni
 		try
 		{
 			// force grid to update handlers...
-			(( GridStorageCache ) this.getProxy().getGrid().getCache( IStorageGrid.class )).cellUpdate( null );
+			this.getProxy().getGrid().postEvent( new MENetworkCellArrayUpdate() );
 		}
 		catch( final GridAccessException ignore )
 		{
@@ -458,7 +415,7 @@ public class PartFluidStorageBus extends PartSharedStorageBus implements IMEMoni
 	{
 		if( channel == this.getStorageChannel() )
 		{
-			final IMEInventoryHandler<IAEFluidStack> out = this.getInternalHandler();
+			final IMEInventoryHandler<IAEFluidStack> out = this.getProxy().isActive() ? this.getInternalHandler() : null;
 			if( out != null )
 			{
 				return Collections.singletonList( out );

src/main/java/appeng/helpers/DualityInterface.java

@@ -23,6 +23,7 @@ import java.util.*;
 
 import javax.annotation.Nullable;
 
+import appeng.api.definitions.IItemDefinition;
 import appeng.integration.modules.gregtech.GTCEInventoryAdaptor;
 import appeng.util.*;
 import appeng.util.inv.*;
@@ -34,6 +35,7 @@ import gregtech.api.metatileentity.MetaTileEntity;
 import gregtech.api.metatileentity.MetaTileEntityHolder;
 import net.minecraft.block.Block;
 import net.minecraft.block.state.IBlockState;
+import net.minecraft.client.Minecraft;
 import net.minecraft.init.Items;
 import net.minecraft.inventory.InventoryCrafting;
 import net.minecraft.item.Item;
@@ -140,17 +142,15 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 	private int isWorking = -1;
 	private final Accessor accessor = new Accessor();
 	private EnumSet<EnumFacing> visitedFaces = EnumSet.noneOf( EnumFacing.class );
-	private EnumMap<EnumFacing, List<ItemStack>> waitingToSendFacing = new EnumMap<>( EnumFacing.class );
+	private EnumMap<EnumFacing,List<ItemStack>> waitingToSendFacing = new EnumMap<>(EnumFacing.class);
 	private GTCEInventoryAdaptor GTad;
-	private boolean resetConfigCache = true;
-	private IMEMonitor<IAEItemStack> configCachedHandler;
 
 	public DualityInterface( final AENetworkProxy networkProxy, final IInterfaceHost ih )
 	{
 		this.gridProxy = networkProxy;
 		this.gridProxy.setFlags( GridFlags.REQUIRE_CHANNEL );
 
-		this.upgrades = new StackUpgradeInventory( this.gridProxy.getMachineRepresentation(), this, 4 );
+		this.upgrades = new StackUpgradeInventory( this.gridProxy.getMachineRepresentation(), this, 4);
 		this.cm.registerSetting( Settings.BLOCK, YesNo.NO );
 		this.cm.registerSetting( Settings.INTERFACE_TERMINAL, YesNo.YES );
 
@@ -178,14 +178,9 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 		{
 			return;
 		}
-		if( inv == this.config && ( !removed.isEmpty() || !added.isEmpty() ) )
+		if( inv == this.config )
 		{
-			boolean cfg = hasConfig();
 			this.readConfig();
-			if( cfg != hasConfig )
-			{
-				resetConfigCache = true;
-			}
 		}
 		else if( inv == this.patterns && ( !removed.isEmpty() || !added.isEmpty() ) )
 		{
@@ -856,27 +851,20 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 					throw new GridAccessException();
 				}
 
-				IAEItemStack storedStack = this.gridProxy.getStorage().getInventory( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) ).getStorageList().findPrecise( itemStack );
-				if( storedStack != null )
+				final IAEItemStack acquired = Platform.poweredExtraction( src, this.destination, itemStack, this.interfaceRequestSource );
+				if( acquired != null )
 				{
-					if( storedStack.getStackSize() > 0 )
+					changed = true;
+					final ItemStack issue = adaptor.addItems( acquired.createItemStack() );
+					if( !issue.isEmpty() )
 					{
-						final IAEItemStack acquired = Platform.poweredExtraction( src, this.destination, itemStack, this.interfaceRequestSource );
-						if( acquired != null )
-						{
-							changed = true;
-							final ItemStack issue = adaptor.addItems( acquired.createItemStack() );
-							if( !issue.isEmpty() )
-							{
-								throw new IllegalStateException( "bad attempt at managing inventory. ( addItems )" );
-							}
-						}
-					}
-					else if( storedStack.isCraftable() )
-					{
-						changed = this.handleCrafting( x, adaptor, itemStack ) || changed;
+						throw new IllegalStateException( "bad attempt at managing inventory. ( addItems )" );
 					}
 				}
+				else
+				{
+					changed = this.handleCrafting( x, adaptor, itemStack ) || changed;
+				}
 			}
 			else if( itemStack.getStackSize() < 0 )
 			{
@@ -987,12 +975,7 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 		{
 			if( this.hasConfig() )
 			{
-				if( resetConfigCache )
-				{
-					resetConfigCache = false;
-					configCachedHandler = new InterfaceInventory( this );
-				}
-				return (IMEMonitor<T>) configCachedHandler;
+				return (IMEMonitor<T>) new InterfaceInventory( this );
 			}
 
 			return (IMEMonitor<T>) this.items;
@@ -1600,6 +1583,7 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 		public InterfaceInventory( final DualityInterface tileInterface )
 		{
 			super( new AdaptorItemHandler( tileInterface.storage ) );
+			this.setActionSource( new MachineSource( DualityInterface.this.iHost ) );
 		}
 
 		@Override

src/main/java/appeng/integration/modules/theoneprobe/TheOneProbeText.java

@@ -35,8 +35,6 @@ public enum TheOneProbeText
 	P2P_UNLINKED,
 	P2P_INPUT_ONE_OUTPUT,
 	P2P_INPUT_MANY_OUTPUTS,
-	P2P_OUTPUT_ONE_INPUT,
-	P2P_OUTPUT_MANY_INPUTS,
 	P2P_OUTPUT,
 	P2P_FREQUENCY,
 

src/main/java/appeng/integration/modules/theoneprobe/part/P2PStateInfoProvider.java

@@ -57,11 +57,11 @@ public class P2PStateInfoProvider implements IPartProbInfoProvider
 
 			// The default state
 			int state = STATE_UNLINKED;
-			int outputCount = getOutputCount( tunnel );
-			int inputCount = getInputCount( tunnel );
+			int outputCount = 0;
 
 			if( !tunnel.isOutput() )
 			{
+				outputCount = getOutputCount( tunnel );
 				if( outputCount > 0 )
 				{
 					// Only set it to INPUT if we know there are any outputs
@@ -70,7 +70,8 @@ public class P2PStateInfoProvider implements IPartProbInfoProvider
 			}
 			else
 			{
-				if( inputCount > 0 )
+				final PartP2PTunnel input = tunnel.getInput();
+				if( input != null )
 				{
 					state = STATE_OUTPUT;
 				}
@@ -82,7 +83,7 @@ public class P2PStateInfoProvider implements IPartProbInfoProvider
 					probeInfo.text( TheOneProbeText.P2P_UNLINKED.getLocal() );
 					break;
 				case STATE_OUTPUT:
-					probeInfo.text( getInputText( inputCount ) );
+					probeInfo.text( TheOneProbeText.P2P_OUTPUT.getLocal() );
 					break;
 				case STATE_INPUT:
 					probeInfo.text( getOutputText( outputCount ) );
@@ -109,19 +110,6 @@ public class P2PStateInfoProvider implements IPartProbInfoProvider
 		}
 	}
 
-	private static int getInputCount( PartP2PTunnel tunnel )
-	{
-		try
-		{
-			return Iterators.size( tunnel.getInputs().iterator() );
-		}
-		catch( GridAccessException e )
-		{
-			// Well... unknown size it is!
-			return 0;
-		}
-	}
-
 	private static String getOutputText( int outputs )
 	{
 		if( outputs <= 1 )
@@ -134,16 +122,4 @@ public class P2PStateInfoProvider implements IPartProbInfoProvider
 		}
 	}
 
-	private static String getInputText( int inputs )
-	{
-		if( inputs <= 1 )
-		{
-			return TheOneProbeText.P2P_OUTPUT_ONE_INPUT.getLocal();
-		}
-		else
-		{
-			return String.format( TheOneProbeText.P2P_OUTPUT_MANY_INPUTS.getLocal(), inputs );
-		}
-	}
-
 }

src/main/java/appeng/integration/modules/waila/part/P2PStateWailaDataProvider.java

@@ -21,7 +21,6 @@ package appeng.integration.modules.waila.part;
 
 import java.util.List;
 
-import appeng.integration.modules.theoneprobe.TheOneProbeText;
 import com.google.common.collect.Iterators;
 
 import net.minecraft.entity.player.EntityPlayerMP;
@@ -118,11 +117,11 @@ public final class P2PStateWailaDataProvider extends BasePartWailaDataProvider
 
 			// The default state
 			int state = STATE_UNLINKED;
-			int outputCount = getOutputCount( tunnel );
-			int inputCount = getInputCount( tunnel );
+			int outputCount = 0;
 
 			if( !tunnel.isOutput() )
 			{
+				outputCount = getOutputCount( tunnel );
 				if( outputCount > 0 )
 				{
 					// Only set it to INPUT if we know there are any outputs
@@ -131,7 +130,8 @@ public final class P2PStateWailaDataProvider extends BasePartWailaDataProvider
 			}
 			else
 			{
-				if( inputCount > 0 )
+				PartP2PTunnel input = tunnel.getInput();
+				if( input != null )
 				{
 					state = STATE_OUTPUT;
 				}
@@ -160,40 +160,15 @@ public final class P2PStateWailaDataProvider extends BasePartWailaDataProvider
 		}
 	}
 
-	private static int getInputCount( PartP2PTunnel tunnel )
-	{
-		try
-		{
-			return Iterators.size( tunnel.getInputs().iterator() );
-		}
-		catch( GridAccessException e )
-		{
-			// Well... unknown size it is!
-			return 0;
-		}
-	}
-
 	private static String getOutputText( int outputs )
 	{
 		if( outputs <= 1 )
 		{
-			return WailaText.P2P_INPUT_ONE_OUTPUT.getLocal();
+			return WailaText.P2PInputOneOutput.getLocal();
 		}
 		else
 		{
-			return String.format( WailaText.P2P_INPUT_MANY_OUTPUTS.getLocal(), outputs );
-		}
-	}
-
-	private static String getInputText( int inputs )
-	{
-		if( inputs <= 1 )
-		{
-			return WailaText.P2P_OUTPUT_ONE_INPUT.getLocal();
-		}
-		else
-		{
-			return String.format( WailaText.P2P_OUTPUT_MANY_INPUTS.getLocal(), inputs );
+			return String.format( WailaText.P2PInputManyOutputs.getLocal(), outputs );
 		}
 	}
 

src/main/java/appeng/items/contents/PortableCellViewer.java

@@ -19,7 +19,6 @@
 package appeng.items.contents;
 
 
-import appeng.api.networking.security.IActionSource;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 
@@ -43,8 +42,6 @@ import appeng.me.helpers.MEMonitorHandler;
 import appeng.util.ConfigManager;
 import appeng.util.Platform;
 
-import java.util.Collections;
-
 
 public class PortableCellViewer extends MEMonitorHandler<IAEItemStack> implements IPortableCell, IInventorySlotAware
 {
@@ -86,34 +83,6 @@ public class PortableCellViewer extends MEMonitorHandler<IAEItemStack> implement
 		return usePowerMultiplier.divide( this.ips.extractAEPower( this.target, amt, Actionable.MODULATE ) );
 	}
 
-	@Override
-	public IAEItemStack injectItems( IAEItemStack input, Actionable mode, IActionSource src )
-	{
-		final long size = input.getStackSize();
-
-		final IAEItemStack injected = super.injectItems( input, mode, src );
-
-		if( mode == Actionable.MODULATE && ( injected == null || injected.getStackSize() != size ) )
-		{
-			this.notifyListenersOfChange( Collections.singletonList( input.copy().setStackSize( input.getStackSize() - ( injected == null ? 0 : injected.getStackSize() ) ) ), null);
-		}
-
-		return injected;
-	}
-
-	@Override
-	public IAEItemStack extractItems( IAEItemStack request, Actionable mode, IActionSource src )
-	{
-		final IAEItemStack extractable = super.extractItems( request, mode, src );
-
-		if( mode == Actionable.MODULATE && extractable != null )
-		{
-			this.notifyListenersOfChange( Collections.singletonList( request.copy().setStackSize( -extractable.getStackSize() ) ), null );
-		}
-
-		return extractable;
-	}
-
 	@Override
 	public <T extends IAEStack<T>> IMEMonitor<T> getInventory( IStorageChannel<T> channel )
 	{

src/main/java/appeng/items/tools/powered/ToolMatterCannon.java

@@ -403,7 +403,7 @@ public class ToolMatterCannon extends AEBasePoweredItem implements IStorageCell<
 					}
 					else if( pos.entityHit.attackEntityFrom( dmgSrc, dmg ) )
 					{
-						hasDestroyed = pos.entityHit.isEntityAlive();
+						hasDestroyed = true;
 					}
 				}
 				else if( pos.typeOfHit == RayTraceResult.Type.BLOCK )

src/main/java/appeng/me/cache/CraftingGridCache.java

@@ -30,6 +30,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Set;
+import java.util.TreeSet;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.Future;
@@ -41,7 +42,10 @@ import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 import com.google.common.collect.Multimap;
 
-import it.unimi.dsi.fastutil.objects.*;
+import it.unimi.dsi.fastutil.objects.Object2ObjectMap;
+import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
+import it.unimi.dsi.fastutil.objects.ObjectRBTreeSet;
+import it.unimi.dsi.fastutil.objects.ObjectSet;
 import net.minecraft.world.World;
 
 import appeng.api.AEApi;
@@ -270,14 +274,17 @@ public class CraftingGridCache implements ICraftingGrid, ICraftingProviderHelper
 			return;
 		}
 
-		final Object2ObjectMap<IAEItemStack, ImmutableList<ICraftingPatternDetails>> oldItems = new Object2ObjectOpenHashMap<>(this.craftableItems);
-		final Set<IAEItemStack> oldEmitableItems = new HashSet<>(this.emitableItems);
+		final Object2ObjectMap<IAEItemStack, ImmutableList<ICraftingPatternDetails>> oldItems = this.craftableItems;
 
 		// erase list.
 		this.craftingMethods.clear();
 		this.craftableItems.clear();
 		this.emitableItems.clear();
 
+		// update the stuff that was in the list...
+		this.storageGrid.postAlterationOfStoredItems( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ), oldItems.keySet(),
+				new BaseActionSource() );
+
 		// re-create list..
 		for( final ICraftingProvider provider : this.craftingProviders )
 		{
@@ -312,51 +319,7 @@ public class CraftingGridCache implements ICraftingGrid, ICraftingProviderHelper
 			this.craftableItems.put( e.getKey(), ImmutableList.copyOf( e.getValue() ) );
 		}
 
-		Object2ObjectMap<IAEItemStack, ImmutableList<ICraftingPatternDetails>> craftablesChanged = new Object2ObjectArrayMap<>();
-
-		ObjectSet<Entry<IAEItemStack, ImmutableList<ICraftingPatternDetails>>> i = oldItems.entrySet();
-		for ( Entry<IAEItemStack, ImmutableList<ICraftingPatternDetails>> ais : i) {
-			if (!this.craftableItems.containsKey( ais.getKey() )) {
-				IAEItemStack changedStack = ais.getKey().copy();
-				changedStack.reset();
-				changedStack.setCraftable( false );
-				craftablesChanged.put( changedStack, ais.getValue() );
-			}
-		}
-
-		ObjectSet<Entry<IAEItemStack, ImmutableList<ICraftingPatternDetails>>> j = this.craftableItems.entrySet();
-		for ( Entry<IAEItemStack, ImmutableList<ICraftingPatternDetails>> ais : j) {
-			if (!oldItems.containsKey( ais )){
-				IAEItemStack changedStack = ais.getKey().copy();
-				changedStack.reset();
-				changedStack.setCraftable( true );
-				craftablesChanged.put( changedStack, ais.getValue() );
-			}
-		}
-
-		for( final IAEItemStack st : oldEmitableItems )
-		{
-			if( !emitableItems.contains( st ) )
-			{
-				IAEItemStack changedStack = st.copy();
-				changedStack.reset();
-				changedStack.setCraftable( false );
-				craftablesChanged.put( changedStack, null );
-			}
-		}
-
-		for( final IAEItemStack st : this.emitableItems )
-		{
-			if( !oldEmitableItems.contains( st ) )
-			{
-				IAEItemStack changedStack = st.copy();
-				changedStack.reset();
-				changedStack.setCraftable( true );
-				craftablesChanged.put( changedStack, null );
-			}
-		}
-
-		this.storageGrid.postCraftablesChanges( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ), craftablesChanged.keySet(),
+		this.storageGrid.postAlterationOfStoredItems( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ), this.craftableItems.keySet(),
 				new BaseActionSource() );
 	}
 

src/main/java/appeng/me/cache/EnergyGridCache.java

@@ -30,7 +30,6 @@ import java.util.PriorityQueue;
 import java.util.Queue;
 import java.util.Set;
 
-import com.google.common.base.Preconditions;
 import com.google.common.collect.HashMultiset;
 import com.google.common.collect.Multiset;
 import com.google.common.collect.Sets;
@@ -64,10 +63,11 @@ import appeng.me.energy.EnergyWatcher;
 public class EnergyGridCache implements IEnergyGrid
 {
 
-	private static final double MAX_BUFFER_STORAGE = 800;
+	private static final double MAX_BUFFER_STORAGE = 200;
 	private static final Comparator<IEnergyGridProvider> COMPARATOR_HIGHEST_AMOUNT_STORED_FIRST = ( o1, o2 ) -> Double.compare( o2.getProviderStoredEnergy(), o1.getProviderStoredEnergy() );
 
-	private static final Comparator<IEnergyGridProvider> COMPARATOR_LOWEST_PERCENTAGE_FIRST = ( o1, o2 ) -> {
+	private static final Comparator<IEnergyGridProvider> COMPARATOR_LOWEST_PERCENTAGE_FIRST = ( o1, o2 ) ->
+	{
 		final double percent1 = ( o1.getProviderStoredEnergy() + 1 ) / ( o1.getProviderMaxEnergy() + 1 );
 		final double percent2 = ( o2.getProviderStoredEnergy() + 1 ) / ( o2.getProviderMaxEnergy() + 1 );
 
@@ -75,24 +75,9 @@ public class EnergyGridCache implements IEnergyGrid
 	};
 
 	private final NavigableSet<EnergyThreshold> interests = Sets.newTreeSet();
-
-	// Should only be modified from the add/remove methods below to guard against
-	// concurrent modifications
 	private final double averageLength = 40.0;
 	private final Set<IAEPowerStorage> providers = new LinkedHashSet<>();
-	// Used to track whether an extraction is currently in progress, to fail fast
-	// when something externally
-	// modifies the energy grid.
-	private boolean ongoingExtractOperation = false;
-
-	// Should only be modified from the add/remove methods below to guard against
-	// concurrent modifications
 	private final Set<IAEPowerStorage> requesters = new LinkedHashSet<>();
-	// Used to track whether an injection is currently in progress, to fail fast
-	// when something externally
-	// modifies the energy grid.
-	private boolean ongoingInjectOperation = false;
-
 	private final Multiset<IEnergyGridProvider> energyGridProviders = HashMultiset.create();
 	private final IGrid myGrid;
 	private final HashMap<IGridNode, IEnergyWatcher> watchers = new HashMap<>();
@@ -124,10 +109,6 @@ public class EnergyGridCache implements IEnergyGrid
 	private double lastStoredPower = -1;
 
 	private final GridPowerStorage localStorage = new GridPowerStorage();
-	private Set<IAEPowerStorage> providerToRemove = new HashSet<>();
-	private Set<IAEPowerStorage> requesterToRemove = new HashSet<>();
-	private Set<IAEPowerStorage> providersToAdd = new HashSet<>();
-	private Set<IAEPowerStorage> requesterToAdd = new HashSet<>();
 
 	public EnergyGridCache( final IGrid g )
 	{
@@ -161,33 +142,20 @@ public class EnergyGridCache implements IEnergyGrid
 	{
 		if( ev.storage.isAEPublicPowerStorage() )
 		{
-			if( ev.type == PowerEventType.PROVIDE_POWER )
+			switch ( ev.type )
 			{
-				if( ev.storage.getPowerFlow() != AccessRestriction.WRITE )
-				{
-					if( !ongoingExtractOperation )
+				case PROVIDE_POWER:
+					if( ev.storage.getPowerFlow() != AccessRestriction.WRITE )
 					{
-						addProvider( ev.storage );
+						this.providers.add( ev.storage );
 					}
-					else
+					break;
+				case REQUEST_POWER:
+					if( ev.storage.getPowerFlow() != AccessRestriction.READ )
 					{
-						this.providersToAdd.add( ev.storage );
+						this.requesters.add( ev.storage );
 					}
-				}
-			}
-			else if( ev.type == PowerEventType.REQUEST_POWER )
-			{
-				if( ev.storage.getPowerFlow() != AccessRestriction.READ )
-				{
-					if( !ongoingInjectOperation )
-					{
-						addRequester( ev.storage );
-					}
-					else
-					{
-						this.requesterToAdd.add( ev.storage );
-					}
-				}
+					break;
 			}
 		}
 		else
@@ -332,56 +300,19 @@ public class EnergyGridCache implements IEnergyGrid
 	{
 		double extractedPower = 0;
 
-		this.providers.addAll( providersToAdd );
-		providersToAdd.clear();
-		providers.removeIf( providerToRemove::contains );
-		this.providerToRemove.clear();
-
 		final Iterator<IAEPowerStorage> it = this.providers.iterator();
 
-		ongoingExtractOperation = true;
-		boolean ls = false;
-		try
+		while ( extractedPower < amt && it.hasNext() )
 		{
-			while ( extractedPower < amt && it.hasNext() )
+			final IAEPowerStorage node = it.next();
+
+			final double req = amt - extractedPower;
+			final double newPower = node.extractAEPower( req, mode, PowerMultiplier.ONE );
+			extractedPower += newPower;
+
+			if( newPower < req && mode == Actionable.MODULATE )
 			{
-				final IAEPowerStorage node = it.next();
-				if( node != null )
-				{
-					if( node == localStorage && mode == Actionable.MODULATE )
-					{
-						ls = true;
-						continue;
-					}
-
-					final double req = amt - extractedPower;
-					final double newPower = node.extractAEPower( req, mode, PowerMultiplier.ONE );
-					extractedPower += newPower;
-
-					if( newPower < req && mode == Actionable.MODULATE )
-					{
-						it.remove();
-					}
-				}
-				else
-				{
-					it.remove();
-				}
-			}
-		} finally
-		{
-			ongoingExtractOperation = false;
-			if( ls && extractedPower < amt )
-			{
-				final double req = amt - extractedPower;
-				final double newPower = localStorage.extractAEPower( req, mode, PowerMultiplier.ONE );
-
-				extractedPower += newPower;
-
-				if( newPower < req )
-				{
-					providers.remove( localStorage );
-				}
+				it.remove();
 			}
 		}
 
@@ -406,37 +337,17 @@ public class EnergyGridCache implements IEnergyGrid
 	{
 		final double originalAmount = amt;
 
-		this.requesters.addAll( requesterToAdd );
-		requesterToAdd.clear();
-		requesters.removeIf( requesterToRemove::contains );
-		this.requesterToRemove.clear();
-
 		final Iterator<IAEPowerStorage> it = this.requesters.iterator();
 
-		ongoingInjectOperation = true;
-		try
+		while ( amt > 0 && it.hasNext() )
 		{
-			while ( amt > 0 && it.hasNext() )
+			final IAEPowerStorage node = it.next();
+			amt = node.injectAEPower( amt, mode );
+
+			if( amt > 0 && mode == Actionable.MODULATE )
 			{
-				final IAEPowerStorage node = it.next();
-
-				if( node != null )
-				{
-					amt = node.injectAEPower( amt, mode );
-
-					if( amt > 0 && mode == Actionable.MODULATE )
-					{
-						it.remove();
-					}
-				}
-				else
-				{
-					it.remove();
-				}
+				it.remove();
 			}
-		} finally
-		{
-			ongoingInjectOperation = false;
 		}
 
 		final double overflow = Math.max( 0.0, amt );
@@ -455,7 +366,7 @@ public class EnergyGridCache implements IEnergyGrid
 		double required = 0;
 
 		final Iterator<IAEPowerStorage> it = this.requesters.iterator();
-		while ( required < maxRequired && it.hasNext() )
+		while( required < maxRequired && it.hasNext() )
 		{
 			final IAEPowerStorage node = it.next();
 			if( node.getPowerFlow() != AccessRestriction.READ )
@@ -516,7 +427,11 @@ public class EnergyGridCache implements IEnergyGrid
 	@Override
 	public double getStoredPower()
 	{
-		this.refreshPower();
+		if( this.availableTicksSinceUpdate > 90 )
+		{
+			this.refreshPower();
+		}
+
 		return Math.max( 0.0, this.globalAvailablePower );
 	}
 
@@ -589,22 +504,9 @@ public class EnergyGridCache implements IEnergyGrid
 					this.globalMaxPower -= ps.getAEMaxPower();
 					this.globalAvailablePower -= ps.getAECurrentPower();
 				}
-				if( !ongoingExtractOperation )
-				{
-					removeProvider( ps );
-				}
-				else
-				{
-					this.providerToRemove.add( ps );
-				}
-				if( !ongoingInjectOperation )
-				{
-					removeRequester( ps );
-				}
-				else
-				{
-					this.requesterToRemove.add( ps );
-				}
+
+				this.providers.remove( ps );
+				this.requesters.remove( ps );
 			}
 		}
 
@@ -620,31 +522,6 @@ public class EnergyGridCache implements IEnergyGrid
 		}
 	}
 
-	private void addRequester( IAEPowerStorage requester )
-	{
-		Preconditions.checkState( !ongoingInjectOperation, "Cannot modify energy requesters while energy is being injected." );
-		this.requesters.add( requester );
-	}
-
-	private void removeRequester( IAEPowerStorage requester )
-	{
-		Preconditions.checkState( !ongoingInjectOperation, "Cannot modify energy requesters while energy is being injected." );
-		this.requesters.remove( requester );
-	}
-
-	private void addProvider( IAEPowerStorage provider )
-	{
-		Preconditions.checkState( !ongoingExtractOperation, "Cannot modify energy providers while energy is being extracted." );
-		this.providers.add( provider );
-	}
-
-	private void removeProvider( IAEPowerStorage provider )
-	{
-		Preconditions.checkState( !ongoingExtractOperation, "Cannot modify energy providers while energy is being extracted." );
-		this.providers.remove( provider );
-	}
-
-
 	@Override
 	public void addNode( final IGridNode node, final IGridHost machine )
 	{
@@ -676,26 +553,12 @@ public class EnergyGridCache implements IEnergyGrid
 				if( current > 0 && ps.getPowerFlow() != AccessRestriction.WRITE )
 				{
 					this.globalAvailablePower += current;
-					if( !ongoingExtractOperation )
-					{
-						addProvider( ps );
-					}
-					else
-					{
-						this.providersToAdd.add( ps );
-					}
+					this.providers.add( ps );
 				}
 
 				if( current < max && ps.getPowerFlow() != AccessRestriction.READ )
 				{
-					if( !ongoingInjectOperation )
-					{
-						addRequester( ps );
-					}
-					else
-					{
-						this.requesterToAdd.add( ps );
-					}
+					this.requesters.add( ps );
 				}
 			}
 		}

src/main/java/appeng/me/cache/GridStorageCache.java

@@ -94,7 +94,7 @@ public class GridStorageCache implements IStorageGrid
 
 			this.removeCellProvider( cc, tracker );
 			this.inactiveCellProviders.remove( cc );
-			cellUpdate( null );
+			this.getGrid().postEvent( new MENetworkCellArrayUpdate() );
 
 			tracker.applyChanges();
 		}
@@ -119,7 +119,7 @@ public class GridStorageCache implements IStorageGrid
 			final ICellContainer cc = (ICellContainer) machine;
 			this.inactiveCellProviders.add( cc );
 
-			cellUpdate( null );
+			this.getGrid().postEvent( new MENetworkCellArrayUpdate() );
 
 			if( node.isActive() )
 			{
@@ -170,7 +170,7 @@ public class GridStorageCache implements IStorageGrid
 
 	private CellChangeTracker addCellProvider( final ICellProvider cc, final CellChangeTracker tracker )
 	{
-		if( this.inactiveCellProviders.contains( cc ) && !this.activeCellProviders.contains( cc ))
+		if( this.inactiveCellProviders.contains( cc ) )
 		{
 			this.inactiveCellProviders.remove( cc );
 			this.activeCellProviders.add( cc );
@@ -248,6 +248,8 @@ public class GridStorageCache implements IStorageGrid
 			}
 		}
 
+		this.storageMonitors.forEach( ( channel, monitor ) -> monitor.forceUpdate() );
+
 		tracker.applyChanges();
 	}
 
@@ -279,12 +281,6 @@ public class GridStorageCache implements IStorageGrid
 		this.storageMonitors.get( chan ).postChange( true, (Iterable) input, src );
 	}
 
-	@Override
-	public void postCraftablesChanges( IStorageChannel<?> chan, Iterable<? extends IAEStack<?>> input, IActionSource src )
-	{
-		this.storageMonitors.get( chan ).updateCraftables( (Iterable) input, src );
-	}
-
 	@Override
 	public void registerCellProvider( final ICellProvider provider )
 	{
@@ -328,10 +324,7 @@ public class GridStorageCache implements IStorageGrid
 
 		public void applyChanges()
 		{
-			if( !this.list.isEmpty() )
-			{
-				GridStorageCache.this.postChangesToNetwork( this.channel, this.up_or_down, this.list, this.src );
-			}
+			GridStorageCache.this.postChangesToNetwork( this.channel, this.up_or_down, this.list, this.src );
 		}
 	}
 

src/main/java/appeng/me/cache/NetworkMonitor.java

@@ -19,10 +19,20 @@
 package appeng.me.cache;
 
 
+import java.util.Collection;
+import java.util.Deque;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Map.Entry;
+
 import javax.annotation.Nonnegative;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
-import appeng.api.AEApi;
+
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.Queues;
+
 import appeng.api.config.AccessRestriction;
 import appeng.api.config.Actionable;
 import appeng.api.networking.events.MENetworkStorageEvent;
@@ -31,26 +41,17 @@ import appeng.api.storage.IMEInventoryHandler;
 import appeng.api.storage.IMEMonitor;
 import appeng.api.storage.IMEMonitorHandlerReceiver;
 import appeng.api.storage.IStorageChannel;
-import appeng.api.storage.channels.IFluidStorageChannel;
-import appeng.api.storage.channels.IItemStorageChannel;
 import appeng.api.storage.data.IAEStack;
 import appeng.api.storage.data.IItemList;
 import appeng.me.storage.ItemWatcher;
-import com.google.common.collect.Queues;
 import it.unimi.dsi.fastutil.objects.Object2ObjectMap;
 import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
 
-import java.util.*;
-import java.util.Map.Entry;
-
 
 public class NetworkMonitor<T extends IAEStack<T>> implements IMEMonitor<T>
 {
 	@Nonnull
-	private static final Set<NetworkMonitor<?>> NESTED_MONITORS = new HashSet<>();
-	private static final HashMap<IActionSource, Set<NetworkMonitor<?>>> sourceSetHashMap = new HashMap<>();
-	protected static boolean nested = false;
-	protected boolean isNested = false;
+	private static final Deque<NetworkMonitor<?>> GLOBAL_DEPTH = Queues.newArrayDeque();
 
 	@Nonnull
 	private final GridStorageCache myGridCache;
@@ -62,11 +63,9 @@ public class NetworkMonitor<T extends IAEStack<T>> implements IMEMonitor<T>
 	private final Object2ObjectMap<IMEMonitorHandlerReceiver<T>, Object> listeners;
 
 	private boolean sendEvent = false;
-	private boolean forceUpdate = false;
+	private boolean hasChanged = false;
 	@Nonnegative
 	private int localDepthSemaphore = 0;
-	private long gridItemCount;
-	private long gridFluidCount;
 
 	public NetworkMonitor( final GridStorageCache cache, final IStorageChannel<T> chan )
 	{
@@ -91,7 +90,21 @@ public class NetworkMonitor<T extends IAEStack<T>> implements IMEMonitor<T>
 	@Override
 	public T extractItems( final T request, final Actionable mode, final IActionSource src )
 	{
-		return this.getHandler().extractItems( request, mode, src );
+		if( mode == Actionable.SIMULATE )
+		{
+			return this.getHandler().extractItems( request, mode, src );
+		}
+
+		this.localDepthSemaphore++;
+		final T leftover = this.getHandler().extractItems( request, mode, src );
+		this.localDepthSemaphore--;
+
+		if( this.localDepthSemaphore == 0 )
+		{
+			this.monitorDifference( request.copy(), leftover, true, src );
+		}
+
+		return leftover;
 	}
 
 	@Override
@@ -124,42 +137,38 @@ public class NetworkMonitor<T extends IAEStack<T>> implements IMEMonitor<T>
 		return this.getHandler().getSlot();
 	}
 
-	public long getGridCurrentCount()
-	{
-		if( myChannel == AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) )
-		{
-			return gridItemCount;
-		}
-		else if( myChannel == AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ) )
-		{
-			return gridFluidCount;
-		}
-		return 0;
-	}
-
-	public void incGridCurrentCount( long count )
-	{
-		if( myChannel == AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) )
-		{
-			gridItemCount += count;
-		}
-		else if( myChannel == AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ) )
-		{
-			gridFluidCount += count;
-		}
-	}
-
 	@Nonnull
 	@Override
 	public IItemList<T> getStorageList()
 	{
+		if( hasChanged )
+		{
+			hasChanged = false;
+			this.cachedList.resetStatus();
+			return this.getAvailableItems( this.cachedList );
+		}
+
 		return this.cachedList;
 	}
 
 	@Override
 	public T injectItems( final T input, final Actionable mode, final IActionSource src )
 	{
-		return this.getHandler().injectItems( input, mode, src );
+		if( mode == Actionable.SIMULATE )
+		{
+			return this.getHandler().injectItems( input, mode, src );
+		}
+
+		this.localDepthSemaphore++;
+		final T leftover = this.getHandler().injectItems( input, mode, src );
+		this.localDepthSemaphore--;
+
+		if( this.localDepthSemaphore == 0 )
+		{
+			this.monitorDifference( input.copy(), leftover, false, src );
+		}
+
+		return leftover;
 	}
 
 	@Override
@@ -191,15 +200,36 @@ public class NetworkMonitor<T extends IAEStack<T>> implements IMEMonitor<T>
 		return this.listeners.entrySet().iterator();
 	}
 
+	private T monitorDifference( final IAEStack<T> original, final T leftOvers, final boolean extraction, final IActionSource src )
+	{
+		final T diff = original.copy();
+
+		if( extraction )
+		{
+			diff.setStackSize( leftOvers == null ? 0 : -leftOvers.getStackSize() );
+		}
+		else if( leftOvers != null )
+		{
+			diff.decStackSize( leftOvers.getStackSize() );
+		}
+
+		if( diff.getStackSize() != 0 )
+		{
+			this.postChangesToListeners( ImmutableList.of( diff ), src );
+		}
+
+		return leftOvers;
+	}
+
 	private void notifyListenersOfChange( final Iterable<T> diff, final IActionSource src )
 	{
+		this.hasChanged = true;
 		final Iterator<Entry<IMEMonitorHandlerReceiver<T>, Object>> i = this.getListeners();
 
 		while( i.hasNext() )
 		{
 			final Entry<IMEMonitorHandlerReceiver<T>, Object> o = i.next();
 			final IMEMonitorHandlerReceiver<T> receiver = o.getKey();
-
 			if( receiver.isValid( o.getValue() ) )
 			{
 				receiver.postChange( this, diff, src );
@@ -211,60 +241,46 @@ public class NetworkMonitor<T extends IAEStack<T>> implements IMEMonitor<T>
 		}
 	}
 
-	protected void updateCraftables( Iterable<T> input, IActionSource src )
+	private void postChangesToListeners( final Iterable<T> changes, final IActionSource src )
 	{
-		for( final T changedItem : input )
-		{
-			if (changedItem.isCraftable()) {
-				this.cachedList.add( changedItem );
-			}
-			else
-			{
-				T i = this.cachedList.findPrecise( changedItem );
-				if (i != null)
-				i.setCraftable( false );
-			}
-		}
+		this.postChange( true, changes, src );
 	}
 
 	protected void postChange( final boolean add, final Iterable<T> changes, final IActionSource src )
 	{
-
-		if( sourceSetHashMap.get( src ) != null && sourceSetHashMap.get( src ).contains( this ) )
+		if( this.localDepthSemaphore > 0 || GLOBAL_DEPTH.contains( this ) )
 		{
-			NESTED_MONITORS.add( this );
-			nested = true;
 			return;
 		}
 
-		sourceSetHashMap.putIfAbsent( src, new HashSet<>() );
-		sourceSetHashMap.get( src ).add( this );
+		GLOBAL_DEPTH.push( this );
+		this.localDepthSemaphore++;
 
 		this.sendEvent = true;
 
-		for( final T change : changes )
+		this.notifyListenersOfChange( changes, src );
+
+		for( final T changedItem : changes )
 		{
-			//T change = changed;
-			if( !add && change != null )
+			T difference = changedItem;
+
+			if( !add && changedItem != null )
 			{
-				//change = changed.copy();
-				change.setStackSize( -change.getStackSize() );
+				difference = changedItem.copy();
+				difference.setStackSize( -changedItem.getStackSize() );
 			}
 
-			incGridCurrentCount( change.getStackSize() );
-			this.cachedList.addStorage( change );
-
-			if( this.myGridCache.getInterestManager().containsKey( change ) )
+			if( this.myGridCache.getInterestManager().containsKey( changedItem ) )
 			{
-				final Collection<ItemWatcher> list = this.myGridCache.getInterestManager().get( change );
+				final Collection<ItemWatcher> list = this.myGridCache.getInterestManager().get( changedItem );
 
 				if( !list.isEmpty() )
 				{
-					IAEStack<T> fullStack = this.getStorageList().findPrecise( change );
+					IAEStack<T> fullStack = this.getStorageList().findPrecise( changedItem );
 
 					if( fullStack == null )
 					{
-						fullStack = change.copy();
+						fullStack = changedItem.copy();
 						fullStack.setStackSize( 0 );
 					}
 
@@ -272,7 +288,7 @@ public class NetworkMonitor<T extends IAEStack<T>> implements IMEMonitor<T>
 
 					for( final ItemWatcher iw : list )
 					{
-						iw.getHost().onStackChange( this.getStorageList(), fullStack, change, src, this.getChannel() );
+						iw.getHost().onStackChange( this.getStorageList(), fullStack, difference, src, this.getChannel() );
 					}
 
 					this.myGridCache.getInterestManager().disableTransactions();
@@ -280,82 +296,21 @@ public class NetworkMonitor<T extends IAEStack<T>> implements IMEMonitor<T>
 			}
 		}
 
-		this.notifyListenersOfChange( changes, src );
+		final NetworkMonitor<?> last = GLOBAL_DEPTH.pop();
+		this.localDepthSemaphore--;
 
-		sourceSetHashMap.get( src ).remove( this );
-		if( sourceSetHashMap.get( src ).isEmpty() )
+		if( last != this )
 		{
-			sourceSetHashMap.remove( src );
-		}
-
-		if( sourceSetHashMap.isEmpty() )
-		{
-			for( NetworkMonitor<?> nm : NESTED_MONITORS )
-			{
-				nm.setupForceUpdate();
-			}
-			nested = false;
-			NESTED_MONITORS.clear();
-		}
-	}
-
-	void setupForceUpdate()
-	{
-		if( nested != isNested )
-		{
-			isNested = nested;
-			forceUpdate();
+			throw new IllegalStateException( "Invalid Access to Networked Storage API detected." );
 		}
 	}
 
 	void forceUpdate()
 	{
-		forceUpdate = false;
-		this.cachedList.resetStatus();
-		this.getAvailableItems( this.cachedList );
-
-		long count = 0;
-		for( T stack : this.cachedList )
-		{
-			count += stack.getStackSize();
-
-			if( this.myGridCache.getInterestManager().containsKey( stack ) )
-			{
-				final Collection<ItemWatcher> list = this.myGridCache.getInterestManager().get( stack );
-
-				if( !list.isEmpty() )
-				{
-					IAEStack<T> fullStack = this.getStorageList().findPrecise( stack );
-
-					if( fullStack == null )
-					{
-						fullStack = stack.copy();
-						fullStack.setStackSize( 0 );
-					}
-
-					this.myGridCache.getInterestManager().enableTransactions();
-
-					for ( final ItemWatcher iw : list )
-					{
-						iw.getHost().onStackChange( this.getStorageList(), fullStack, stack, null, this.getChannel() );
-					}
-
-					this.myGridCache.getInterestManager().disableTransactions();
-				}
-			}
-		}
-
-		if( myChannel == AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) )
-		{
-			gridItemCount = count;
-		}
-		else if( myChannel == AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ) )
-		{
-			gridFluidCount = count;
-		}
+		this.hasChanged = true;
 
 		final Iterator<Entry<IMEMonitorHandlerReceiver<T>, Object>> i = this.getListeners();
-		while ( i.hasNext() )
+		while( i.hasNext() )
 		{
 			final Entry<IMEMonitorHandlerReceiver<T>, Object> o = i.next();
 			final IMEMonitorHandlerReceiver<T> receiver = o.getKey();

src/main/java/appeng/me/cache/P2PCache.java

@@ -19,7 +19,7 @@
 package appeng.me.cache;
 
 
-import java.util.Collection;
+import java.util.HashMap;
 import java.util.Random;
 
 import com.google.common.collect.LinkedHashMultimap;
@@ -46,7 +46,7 @@ public class P2PCache implements IGridCache
 	private static final TunnelCollection<PartP2PTunnel> NULL_COLLECTION = new TunnelCollection<PartP2PTunnel>( null, null );
 
 	private final IGrid myGrid;
-	private final Multimap<Short, PartP2PTunnel> inputs = LinkedHashMultimap.create();
+	private final HashMap<Short, PartP2PTunnel> inputs = new HashMap<>();
 	private final Multimap<Short, PartP2PTunnel> outputs = LinkedHashMultimap.create();
 	private final Random frequencyGenerator;
 
@@ -110,19 +110,10 @@ public class P2PCache implements IGridCache
 			}
 			else
 			{
-				this.inputs.remove( t.getFrequency(), t );
+				this.inputs.remove( t.getFrequency() );
 			}
 
-			if( this.inputs.get( t.getFrequency() ).isEmpty() )
-			{
-				this.inputs.removeAll( t.getFrequency() );
-			}
-			if( this.outputs.get( t.getFrequency() ).isEmpty() )
-			{
-				this.outputs.removeAll( t.getFrequency() );
-			}
-
-			this.updateTunnel( t.getFrequency(), t.isOutput(), false );
+			this.updateTunnel( t.getFrequency(), !t.isOutput(), false );
 		}
 	}
 
@@ -151,7 +142,7 @@ public class P2PCache implements IGridCache
 				this.inputs.put( t.getFrequency(), t );
 			}
 
-			this.updateTunnel( t.getFrequency(), t.isOutput(), false );
+			this.updateTunnel( t.getFrequency(), !t.isOutput(), false );
 		}
 	}
 
@@ -173,20 +164,6 @@ public class P2PCache implements IGridCache
 
 	}
 
-	public void removeTunnel( final PartP2PTunnel t, short freq )
-	{
-		this.outputs.remove( freq, t );
-		this.inputs.remove( freq, t );
-		if( this.inputs.get( t.getFrequency() ).isEmpty() )
-		{
-			this.inputs.removeAll( t.getFrequency() );
-		}
-		if( this.outputs.get( t.getFrequency() ).isEmpty() )
-		{
-			this.outputs.removeAll( t.getFrequency() );
-		}
-	}
-
 	private void updateTunnel( final short freq, final boolean updateOutputs, final boolean configChange )
 	{
 		for( final PartP2PTunnel p : this.outputs.get( freq ) )
@@ -198,7 +175,8 @@ public class P2PCache implements IGridCache
 			p.onTunnelNetworkChange();
 		}
 
-		for( final PartP2PTunnel in : this.inputs.get( freq ) )
+		final PartP2PTunnel in = this.inputs.get( freq );
+		if( in != null )
 		{
 			if( configChange )
 			{
@@ -217,7 +195,7 @@ public class P2PCache implements IGridCache
 
 		if( this.inputs.containsValue( t ) )
 		{
-			this.inputs.remove( t.getFrequency(), t );
+			this.inputs.remove( t.getFrequency() );
 		}
 
 		t.setFrequency( newFrequency );
@@ -233,6 +211,7 @@ public class P2PCache implements IGridCache
 
 		// AELog.info( "update-" + (t.output ? "output: " : "input: ") + t.freq );
 		this.updateTunnel( t.getFrequency(), t.isOutput(), true );
+		this.updateTunnel( t.getFrequency(), !t.isOutput(), true );
 	}
 
 	public short newFrequency()
@@ -257,43 +236,25 @@ public class P2PCache implements IGridCache
 
 	public TunnelCollection<PartP2PTunnel> getOutputs( final short freq, final Class<? extends PartP2PTunnel> c )
 	{
-		Collection<PartP2PTunnel> in = this.inputs.get( freq );
+		final PartP2PTunnel in = this.inputs.get( freq );
 
 		if( in == null )
 		{
 			return NULL_COLLECTION;
 		}
 
-		TunnelCollection<PartP2PTunnel> out;
-		for( PartP2PTunnel part : this.inputs.get( freq ) )
-		{
-			out = part.getCollection( this.outputs.get( freq ), c );
-			if( out != null )
-			{
-				return out;
-			}
-		}
-		return NULL_COLLECTION;
-	}
-
-	public TunnelCollection<PartP2PTunnel> getInputs( final short freq, final Class<? extends PartP2PTunnel> c )
-	{
-		Collection<PartP2PTunnel> out = this.outputs.get( freq );
+		final TunnelCollection<PartP2PTunnel> out = this.inputs.get( freq ).getCollection( this.outputs.get( freq ), c );
 
 		if( out == null )
 		{
 			return NULL_COLLECTION;
 		}
 
-		TunnelCollection<PartP2PTunnel> in;
-		for( PartP2PTunnel part : this.outputs.get( freq ) )
-		{
-			in = part.getCollection( this.inputs.get( freq ), c );
-			if( in != null )
-			{
-				return in;
-			}
-		}
-		return NULL_COLLECTION;
+		return out;
+	}
+
+	public PartP2PTunnel getInput( final short freq )
+	{
+		return this.inputs.get( freq );
 	}
 }

src/main/java/appeng/me/cache/TickManagerCache.java

@@ -138,6 +138,7 @@ public class TickManagerCache implements ITickManager
 			tt.addEntityCrashInfo( crashreportcategory );
 			throw new ReportedException( crashreport );
 		}
+		PartLevelEmitter.wipeCache();
 	}
 
 	private void addToQueue( final TickTracker tt )

src/main/java/appeng/me/helpers/GenericInterestManager.java

@@ -123,4 +123,4 @@ public class GenericInterestManager<T>
 			this.iw = watcher;
 		}
 	}
-}
+}

src/main/java/appeng/me/helpers/MEMonitorHandler.java

@@ -28,6 +28,8 @@ import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Map.Entry;
 
+import com.google.common.collect.ImmutableList;
+
 import appeng.api.config.AccessRestriction;
 import appeng.api.config.Actionable;
 import appeng.api.networking.security.IActionSource;
@@ -83,7 +85,11 @@ public class MEMonitorHandler<T extends IAEStack<T>> implements IMEMonitor<T>
 	@Override
 	public T injectItems( final T input, final Actionable mode, final IActionSource src )
 	{
-		return this.getHandler().injectItems( input, mode, src );
+		if( mode == Actionable.SIMULATE )
+		{
+			return this.getHandler().injectItems( input, mode, src );
+		}
+		return this.monitorDifference( input.copy(), this.getHandler().injectItems( input, mode, src ), false, src );
 	}
 
 	protected IMEInventoryHandler<T> getHandler()
@@ -91,7 +97,28 @@ public class MEMonitorHandler<T extends IAEStack<T>> implements IMEMonitor<T>
 		return this.internalHandler;
 	}
 
-	public void postChangesToListeners( final Iterable<T> changes, final IActionSource src )
+	private T monitorDifference( final T original, final T leftOvers, final boolean extraction, final IActionSource src )
+	{
+		final T diff = original.copy();
+
+		if( extraction )
+		{
+			diff.setStackSize( leftOvers == null ? 0 : -leftOvers.getStackSize() );
+		}
+		else if( leftOvers != null )
+		{
+			diff.decStackSize( leftOvers.getStackSize() );
+		}
+
+		if( diff.getStackSize() != 0 )
+		{
+			this.postChangesToListeners( ImmutableList.of( diff ), src );
+		}
+
+		return leftOvers;
+	}
+
+	protected void postChangesToListeners( final Iterable<T> changes, final IActionSource src )
 	{
 		this.notifyListenersOfChange( changes, src );
 	}
@@ -123,7 +150,11 @@ public class MEMonitorHandler<T extends IAEStack<T>> implements IMEMonitor<T>
 	@Override
 	public T extractItems( final T request, final Actionable mode, final IActionSource src )
 	{
-		return this.getHandler().extractItems( request, mode, src );
+		if( mode == Actionable.SIMULATE )
+		{
+			return this.getHandler().extractItems( request, mode, src );
+		}
+		return this.monitorDifference( request.copy(), this.getHandler().extractItems( request, mode, src ), true, src );
 	}
 
 	@Override

src/main/java/appeng/me/helpers/MachineSource.java

@@ -19,7 +19,6 @@
 package appeng.me.helpers;
 
 
-import java.util.Objects;
 import java.util.Optional;
 
 import net.minecraft.entity.player.EntityPlayer;
@@ -56,24 +55,4 @@ public class MachineSource implements IActionSource
 		return Optional.empty();
 	}
 
-	@Override
-	public boolean equals( Object o )
-	{
-		if( this == o )
-		{
-			return true;
-		}
-		if( o == null || getClass() != o.getClass() )
-		{
-			return false;
-		}
-		MachineSource that = (MachineSource) o;
-		return via.equals( that.via );
-	}
-
-	@Override
-	public int hashCode()
-	{
-		return Objects.hash( via );
-	}
 }

src/main/java/appeng/me/storage/DriveWatcher.java

@@ -19,20 +19,15 @@
 package appeng.me.storage;
 
 
-import appeng.core.features.registries.cell.CreativeCellHandler;
-import appeng.me.GridAccessException;
-import appeng.me.helpers.MachineSource;
-import appeng.tile.storage.TileDrive;
 import net.minecraft.item.ItemStack;
 
 import appeng.api.config.Actionable;
+import appeng.api.implementations.tiles.IChestOrDrive;
 import appeng.api.networking.security.IActionSource;
 import appeng.api.storage.ICellHandler;
 import appeng.api.storage.ICellInventoryHandler;
 import appeng.api.storage.data.IAEStack;
 
-import java.util.Collections;
-
 
 public class DriveWatcher<T extends IAEStack<T>> extends MEInventoryHandler<T>
 {
@@ -40,16 +35,14 @@ public class DriveWatcher<T extends IAEStack<T>> extends MEInventoryHandler<T>
 	private int oldStatus = 0;
 	private final ItemStack is;
 	private final ICellHandler handler;
-	private final TileDrive drive;
-	private IActionSource source;
+	private final IChestOrDrive cord;
 
-	public DriveWatcher( final ICellInventoryHandler<T> i, final ItemStack is, final ICellHandler han, final TileDrive drive )
+	public DriveWatcher( final ICellInventoryHandler<T> i, final ItemStack is, final ICellHandler han, final IChestOrDrive cod )
 	{
 		super( i, i.getChannel() );
 		this.is = is;
 		this.handler = han;
-		this.drive = drive;
-		this.source = new MachineSource( drive );
+		this.cord = cod;
 	}
 
 	public int getStatus()
@@ -62,58 +55,38 @@ public class DriveWatcher<T extends IAEStack<T>> extends MEInventoryHandler<T>
 	{
 		final long size = input.getStackSize();
 
-		final T remainder = super.injectItems( input, type, src );
+		final T a = super.injectItems( input, type, src );
 
-		if( type == Actionable.MODULATE && ( remainder == null || remainder.getStackSize() != size ) )
+		if( type == Actionable.MODULATE && ( a == null || a.getStackSize() != size ) )
 		{
 			final int newStatus = this.getStatus();
 
 			if( newStatus != this.oldStatus )
 			{
-				this.drive.blinkCell( this.getSlot() );
+				this.cord.blinkCell( this.getSlot() );
 				this.oldStatus = newStatus;
 			}
-			if (this.drive.getProxy().isActive() && !(handler instanceof CreativeCellHandler))
-			{
-				try
-				{
-					this.drive.getProxy().getStorage().postAlterationOfStoredItems( this.getChannel(), Collections.singletonList( input.copy().setStackSize( input.getStackSize() - ( remainder == null ? 0 : remainder.getStackSize() ) ) ), this.source );
-				} catch ( GridAccessException e )
-				{
-					e.printStackTrace();
-				}
-			}
 		}
 
-		return remainder;
+		return a;
 	}
 
 	@Override
 	public T extractItems( final T request, final Actionable type, final IActionSource src )
 	{
-		final T extractable = super.extractItems( request, type, src );
+		final T a = super.extractItems( request, type, src );
 
-		if( type == Actionable.MODULATE && extractable != null )
+		if( type == Actionable.MODULATE && a != null )
 		{
 			final int newStatus = this.getStatus();
 
 			if( newStatus != this.oldStatus )
 			{
-				this.drive.blinkCell( this.getSlot() );
+				this.cord.blinkCell( this.getSlot() );
 				this.oldStatus = newStatus;
 			}
-			if (this.drive.getProxy().isActive() && !(handler instanceof CreativeCellHandler ))
-			{
-				try
-				{
-					this.drive.getProxy().getStorage().postAlterationOfStoredItems( this.getChannel(), Collections.singletonList( request.copy().setStackSize( -extractable.getStackSize() ) ), this.source );
-				} catch ( GridAccessException e )
-				{
-					e.printStackTrace();
-				}
-			}
 		}
 
-		return extractable;
+		return a;
 	}
 }

src/main/java/appeng/me/storage/MEMonitorIFluidHandler.java

@@ -19,11 +19,14 @@
 package appeng.me.storage;
 
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
 import java.util.Map.Entry;
+import java.util.NavigableMap;
 import java.util.concurrent.ConcurrentSkipListMap;
 
-import appeng.fluids.util.AEFluidStack;
 import net.minecraftforge.fluids.FluidStack;
 import net.minecraftforge.fluids.capability.IFluidHandler;
 import net.minecraftforge.fluids.capability.IFluidTankProperties;
@@ -45,14 +48,16 @@ import appeng.api.storage.data.IItemList;
 public class MEMonitorIFluidHandler implements IMEMonitor<IAEFluidStack>, ITickingMonitor
 {
 	private final IFluidHandler handler;
-	private IItemList<IAEFluidStack> cache = AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ).createList();
+	private final IItemList<IAEFluidStack> list = AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ).createList();
 	private final HashMap<IMEMonitorHandlerReceiver<IAEFluidStack>, Object> listeners = new HashMap<>();
+	private final NavigableMap<Integer, CachedFluidStack> memory;
 	private IActionSource mySource;
 	private StorageFilter mode = StorageFilter.EXTRACTABLE_ONLY;
 
 	public MEMonitorIFluidHandler( final IFluidHandler handler )
 	{
 		this.handler = handler;
+		this.memory = new ConcurrentSkipListMap<>();
 	}
 
 	@Override
@@ -77,6 +82,11 @@ public class MEMonitorIFluidHandler implements IMEMonitor<IAEFluidStack>, ITicki
 			return input.copy();
 		}
 
+		if( type == Actionable.MODULATE )
+		{
+			this.onTick();
+		}
+
 		if( filled == input.getStackSize() )
 		{
 			return null;
@@ -84,15 +94,6 @@ public class MEMonitorIFluidHandler implements IMEMonitor<IAEFluidStack>, ITicki
 
 		final IAEFluidStack o = input.copy();
 		o.setStackSize( input.getStackSize() - filled );
-
-		if( type == Actionable.MODULATE )
-		{
-			IAEFluidStack added = o.copy();
-			this.cache.add( added );
-			this.postDifference( Collections.singletonList( added ) );
-			this.onTick();
-		}
-
 		return o;
 	}
 
@@ -106,18 +107,13 @@ public class MEMonitorIFluidHandler implements IMEMonitor<IAEFluidStack>, ITicki
 			return null;
 		}
 
-		final IAEFluidStack o = request.copy();
-		o.setStackSize( removed.amount );
-
 		if( type == Actionable.MODULATE )
 		{
-			IAEFluidStack cachedStack = this.cache.findPrecise( request );
-			if( cachedStack != null )
-			{
-				cachedStack.decStackSize( o.getStackSize() );
-				this.postDifference( Collections.singletonList( o.copy().setStackSize( -o.getStackSize() ) ) );
-			}
+			this.onTick();
 		}
+
+		final IAEFluidStack o = request.copy();
+		o.setStackSize( removed.amount );
 		return o;
 	}
 
@@ -130,51 +126,111 @@ public class MEMonitorIFluidHandler implements IMEMonitor<IAEFluidStack>, ITicki
 	@Override
 	public TickRateModulation onTick()
 	{
+		final List<IAEFluidStack> changes = new ArrayList<>();
+
+		this.list.resetStatus();
+		int high = 0;
 		boolean changed = false;
 
-		final List<IAEFluidStack> changes = new ArrayList<>();
-		final IFluidTankProperties[] tankProperties = this.handler.getTankProperties();
-
-		IItemList<IAEFluidStack> currentlyOnStorage = AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ).createList();
-
-		for( IFluidTankProperties tankProperty : tankProperties )
+		final IFluidTankProperties[] props = this.handler.getTankProperties();
+		for( int slot = 0; slot < this.handler.getTankProperties().length; ++slot )
 		{
-			if( this.mode == StorageFilter.EXTRACTABLE_ONLY && this.handler.drain( 1, false ) == null )
+			final CachedFluidStack old = this.memory.get( slot );
+			high = Math.max( high, slot );
+
+			final FluidStack newIS = !props[slot].canDrain() && this.getMode() == StorageFilter.EXTRACTABLE_ONLY ? null : props[slot].getContents();
+			final FluidStack oldIS = old == null ? null : old.fluidStack;
+
+			if( isDifferent( newIS, oldIS ) )
 			{
-				continue;
+				final CachedFluidStack cis = new CachedFluidStack( newIS );
+				this.memory.put( slot, cis );
+
+				if( old != null && old.aeStack != null )
+				{
+					old.aeStack.setStackSize( -old.aeStack.getStackSize() );
+					changes.add( old.aeStack );
+				}
+
+				if( cis.aeStack != null )
+				{
+					changes.add( cis.aeStack );
+					this.list.add( cis.aeStack );
+				}
+
+				changed = true;
 			}
-			currentlyOnStorage.add( AEFluidStack.fromFluidStack( tankProperty.getContents() ) );
-		}
-
-		for( final IAEFluidStack is : cache )
-		{
-			is.setStackSize( -is.getStackSize() );
-		}
-
-		for( final IAEFluidStack is : currentlyOnStorage )
-		{
-			cache.add( is );
-		}
-
-		for( final IAEFluidStack is : cache )
-		{
-			if( is.getStackSize() != 0 )
+			else
 			{
-				changes.add( is );
+				final int newSize = newIS == null ? 0 : newIS.amount;
+				final int diff = newSize - ( oldIS == null ? 0 : oldIS.amount );
+
+				IAEFluidStack stack = null;
+
+				if( newIS != null )
+				{
+					stack = ( old == null || old.aeStack == null ? AEApi.instance()
+							.storage()
+							.getStorageChannel( IFluidStorageChannel.class )
+							.createStack( newIS ) : old.aeStack.copy() );
+				}
+				if( stack != null )
+				{
+					stack.setStackSize( newSize );
+					this.list.add( stack );
+				}
+
+				if( diff != 0 && stack != null )
+				{
+					final CachedFluidStack cis = new CachedFluidStack( newIS );
+					this.memory.put( slot, cis );
+
+					final IAEFluidStack a = stack.copy();
+					a.setStackSize( diff );
+					changes.add( a );
+					changed = true;
+				}
 			}
 		}
 
-		cache = currentlyOnStorage;
+		// detect dropped items; should fix non IISided Inventory Changes.
+		final NavigableMap<Integer, CachedFluidStack> end = this.memory.tailMap( high, false );
+		if( !end.isEmpty() )
+		{
+			for( final CachedFluidStack cis : end.values() )
+			{
+				if( cis != null && cis.aeStack != null )
+				{
+					final IAEFluidStack a = cis.aeStack.copy();
+					a.setStackSize( -a.getStackSize() );
+					changes.add( a );
+					changed = true;
+				}
+			}
+			end.clear();
+		}
 
 		if( !changes.isEmpty() )
 		{
 			this.postDifference( changes );
-			changed = true;
 		}
 
 		return changed ? TickRateModulation.URGENT : TickRateModulation.SLOWER;
 	}
 
+	private static boolean isDifferent( FluidStack a, FluidStack b )
+	{
+		if( a == b )
+		{
+			return false;
+		}
+		if( a == null || b == null )
+		{
+			return true;
+		}
+		return !a.getFluid().equals( b.getFluid() );
+	}
+
 	private void postDifference( final Iterable<IAEFluidStack> a )
 	{
 		if( a != null )
@@ -235,9 +291,9 @@ public class MEMonitorIFluidHandler implements IMEMonitor<IAEFluidStack>, ITicki
 	@Override
 	public IItemList<IAEFluidStack> getAvailableItems( final IItemList out )
 	{
-		for( final IAEFluidStack fs : cache )
+		for( final CachedFluidStack is : this.memory.values() )
 		{
-			out.addStorage( fs );
+			out.addStorage( is.aeStack );
 		}
 
 		return out;
@@ -246,7 +302,7 @@ public class MEMonitorIFluidHandler implements IMEMonitor<IAEFluidStack>, ITicki
 	@Override
 	public IItemList<IAEFluidStack> getStorageList()
 	{
-		return this.cache;
+		return this.list;
 	}
 
 	private StorageFilter getMode()
@@ -270,4 +326,24 @@ public class MEMonitorIFluidHandler implements IMEMonitor<IAEFluidStack>, ITicki
 		this.mySource = mySource;
 	}
 
+	private static class CachedFluidStack
+	{
+
+		private final FluidStack fluidStack;
+		private final IAEFluidStack aeStack;
+
+		CachedFluidStack( final FluidStack is )
+		{
+			if( is == null )
+			{
+				this.fluidStack = null;
+				this.aeStack = null;
+			}
+			else
+			{
+				this.fluidStack = is.copy();
+				this.aeStack = AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ).createStack( is );
+			}
+		}
+	}
 }

src/main/java/appeng/me/storage/MEMonitorIInventory.java

@@ -19,8 +19,12 @@
 package appeng.me.storage;
 
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
 import java.util.Map.Entry;
+import java.util.NavigableMap;
 import java.util.concurrent.ConcurrentSkipListMap;
 
 import net.minecraft.item.ItemStack;
@@ -46,15 +50,16 @@ public class MEMonitorIInventory implements IMEMonitor<IAEItemStack>, ITickingMo
 {
 
 	private final InventoryAdaptor adaptor;
-	private IItemList<IAEItemStack> cache = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
-
+	private final IItemList<IAEItemStack> list = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
 	private final HashMap<IMEMonitorHandlerReceiver<IAEItemStack>, Object> listeners = new HashMap<>();
+	private final NavigableMap<Integer, CachedItemStack> memory;
 	private IActionSource mySource;
 	private StorageFilter mode = StorageFilter.EXTRACTABLE_ONLY;
 
 	public MEMonitorIInventory( final InventoryAdaptor adaptor )
 	{
 		this.adaptor = adaptor;
+		this.memory = new ConcurrentSkipListMap<>();
 	}
 
 	@Override
@@ -83,6 +88,11 @@ public class MEMonitorIInventory implements IMEMonitor<IAEItemStack>, ITickingMo
 			out = this.adaptor.addItems( input.createItemStack() );
 		}
 
+		if( type == Actionable.MODULATE )
+		{
+			this.onTick();
+		}
+
 		if( out.isEmpty() )
 		{
 			return null;
@@ -91,15 +101,6 @@ public class MEMonitorIInventory implements IMEMonitor<IAEItemStack>, ITickingMo
 		// better then doing construction from scratch :3
 		final IAEItemStack o = input.copy();
 		o.setStackSize( out.getCount() );
-
-		if( type == Actionable.MODULATE )
-		{
-			IAEItemStack added = o.copy();
-			this.cache.add( added );
-			this.postDifference( Collections.singletonList( added ) );
-			this.onTick();
-		}
-
 		return o;
 	}
 
@@ -128,12 +129,6 @@ public class MEMonitorIInventory implements IMEMonitor<IAEItemStack>, ITickingMo
 
 		if( type == Actionable.MODULATE )
 		{
-			IAEItemStack cachedStack = this.cache.findPrecise( request );
-			if( cachedStack != null )
-			{
-				cachedStack.decStackSize( o.getStackSize() );
-				this.postDifference( Collections.singletonList( o.copy().setStackSize( -o.getStackSize() ) ) );
-			}
 			this.onTick();
 		}
 
@@ -149,52 +144,110 @@ public class MEMonitorIInventory implements IMEMonitor<IAEItemStack>, ITickingMo
 	@Override
 	public TickRateModulation onTick()
 	{
-		boolean changed = false;
 
 		final List<IAEItemStack> changes = new ArrayList<>();
 
-		IItemList<IAEItemStack> currentlyOnStorage = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
-
-		for( final ItemSlot is : adaptor )
+		this.list.resetStatus();
+		int high = 0;
+		boolean changed = false;
+		for( final ItemSlot is : this.adaptor )
 		{
-			if( this.mode == StorageFilter.EXTRACTABLE_ONLY && !is.isExtractable() )
+			final CachedItemStack old = this.memory.get( is.getSlot() );
+			high = Math.max( high, is.getSlot() );
+
+			final ItemStack newIS = !is.isExtractable() && this.getMode() == StorageFilter.EXTRACTABLE_ONLY ? ItemStack.EMPTY : is.getItemStack();
+			final ItemStack oldIS = old == null ? ItemStack.EMPTY : old.itemStack;
+
+			if( this.isDifferent( newIS, oldIS ) )
 			{
-				continue;
+				final CachedItemStack cis = new CachedItemStack( is.getItemStack() );
+				this.memory.put( is.getSlot(), cis );
+
+				if( old != null && old.aeStack != null )
+				{
+					old.aeStack.setStackSize( -old.aeStack.getStackSize() );
+					changes.add( old.aeStack );
+				}
+
+				if( cis.aeStack != null )
+				{
+					changes.add( cis.aeStack );
+					this.list.add( cis.aeStack );
+				}
+
+				changed = true;
 			}
-			currentlyOnStorage.add( is.getAEItemStack() );
-		}
-
-		for( final IAEItemStack is : cache )
-		{
-			is.setStackSize( -is.getStackSize() );
-		}
-
-		for( final IAEItemStack is : currentlyOnStorage )
-		{
-			cache.add( is );
-		}
-
-		for( final IAEItemStack is : cache )
-		{
-			if( is.getStackSize() != 0 )
+			else
 			{
-				changes.add( is );
+				final int newSize = ( newIS.isEmpty() ? 0 : newIS.getCount() );
+				final int diff = newSize - ( oldIS.isEmpty() ? 0 : oldIS.getCount() );
+
+				final IAEItemStack stack = ( old == null || old.aeStack == null ? AEApi.instance()
+						.storage()
+						.getStorageChannel( IItemStorageChannel.class )
+						.createStack( newIS ) : old.aeStack.copy() );
+				if( stack != null )
+				{
+					stack.setStackSize( newSize );
+					this.list.add( stack );
+				}
+
+				if( diff != 0 && stack != null )
+				{
+					final CachedItemStack cis = new CachedItemStack( is.getItemStack() );
+					this.memory.put( is.getSlot(), cis );
+
+					final IAEItemStack a = stack.copy();
+					a.setStackSize( diff );
+					changes.add( a );
+					changed = true;
+				}
 			}
 		}
 
-		cache = currentlyOnStorage;
+		// detect dropped items; should fix non IISided Inventory Changes.
+		final NavigableMap<Integer, CachedItemStack> end = this.memory.tailMap( high, false );
+		if( !end.isEmpty() )
+		{
+			for( final CachedItemStack cis : end.values() )
+			{
+				if( cis != null && cis.aeStack != null )
+				{
+					final IAEItemStack a = cis.aeStack.copy();
+					a.setStackSize( -a.getStackSize() );
+					changes.add( a );
+					changed = true;
+				}
+			}
+			end.clear();
+		}
 
 		if( !changes.isEmpty() )
 		{
 			this.postDifference( changes );
-			changed = true;
 		}
 
 		return changed ? TickRateModulation.URGENT : TickRateModulation.SLOWER;
 	}
 
+	private boolean isDifferent( final ItemStack a, final ItemStack b )
+	{
+		if( a == b && b.isEmpty() )
+		{
+			return false;
+		}
+
+		if( ( a.isEmpty() && !b.isEmpty() ) || ( !a.isEmpty() && b.isEmpty() ) )
+		{
+			return true;
+		}
+
+		return !Platform.itemComparisons().isSameItem( a, b );
+	}
+
 	private void postDifference( final Iterable<IAEItemStack> a )
 	{
+		// AELog.info( a.getItemStack().getUnlocalizedName() + " @ " + a.getStackSize() );
 		if( a != null )
 		{
 			final Iterator<Entry<IMEMonitorHandlerReceiver<IAEItemStack>, Object>> i = this.listeners.entrySet().iterator();
@@ -253,9 +306,9 @@ public class MEMonitorIInventory implements IMEMonitor<IAEItemStack>, ITickingMo
 	@Override
 	public IItemList<IAEItemStack> getAvailableItems( final IItemList out )
 	{
-		for( IAEItemStack is : cache )
+		for( final CachedItemStack is : this.memory.values() )
 		{
-			out.addStorage( is );
+			out.addStorage( is.aeStack );
 		}
 
 		return out;
@@ -264,7 +317,7 @@ public class MEMonitorIInventory implements IMEMonitor<IAEItemStack>, ITickingMo
 	@Override
 	public IItemList<IAEItemStack> getStorageList()
 	{
-		return this.cache;
+		return this.list;
 	}
 
 	private StorageFilter getMode()
@@ -288,4 +341,24 @@ public class MEMonitorIInventory implements IMEMonitor<IAEItemStack>, ITickingMo
 		this.mySource = mySource;
 	}
 
+	private static class CachedItemStack
+	{
+
+		private final ItemStack itemStack;
+		private final IAEItemStack aeStack;
+
+		public CachedItemStack( final ItemStack is )
+		{
+			if( is.isEmpty() )
+			{
+				this.itemStack = ItemStack.EMPTY;
+				this.aeStack = null;
+			}
+			else
+			{
+				this.itemStack = is.copy();
+				this.aeStack = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createStack( is );
+			}
+		}
+	}
 }

src/main/java/appeng/me/storage/MEMonitorPassThrough.java

@@ -90,13 +90,6 @@ public class MEMonitorPassThrough<T extends IAEStack<T>> extends MEPassThrough<T
 	@Override
 	public void addListener( final IMEMonitorHandlerReceiver<T> l, final Object verificationToken )
 	{
-		if( this.listeners.size() == 0 )
-		{
-			if( this.monitor != null )
-			{
-				this.monitor.addListener( this, this.monitor );
-			}
-		}
 		this.listeners.put( l, verificationToken );
 	}
 
@@ -171,5 +164,4 @@ public class MEMonitorPassThrough<T extends IAEStack<T>> extends MEPassThrough<T
 	{
 		this.changeSource = changeSource;
 	}
-
 }

src/main/java/appeng/me/storage/MEPassThrough.java

@@ -41,7 +41,7 @@ public class MEPassThrough<T extends IAEStack<T>> implements IMEInventoryHandler
 		this.setInternal( i );
 	}
 
-	public IMEInventory<T> getInternal()
+	protected IMEInventory<T> getInternal()
 	{
 		return this.internal;
 	}

src/main/java/appeng/me/storage/SecurityStationInventory.java

@@ -19,8 +19,6 @@
 package appeng.me.storage;
 
 
-import appeng.me.helpers.MEMonitorHandler;
-import appeng.me.helpers.MachineSource;
 import com.mojang.authlib.GameProfile;
 
 import appeng.api.AEApi;
@@ -37,20 +35,16 @@ import appeng.api.storage.data.IItemList;
 import appeng.me.GridAccessException;
 import appeng.tile.misc.TileSecurityStation;
 
-import java.util.Collections;
-
 
 public class SecurityStationInventory implements IMEInventoryHandler<IAEItemStack>
 {
 
 	private final IItemList<IAEItemStack> storedItems = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
 	private final TileSecurityStation securityTile;
-	private final MachineSource src;
 
 	public SecurityStationInventory( final TileSecurityStation ts )
 	{
 		this.securityTile = ts;
-		this.src = new MachineSource( securityTile );
 	}
 
 	@Override
@@ -67,11 +61,6 @@ public class SecurityStationInventory implements IMEInventoryHandler<IAEItemStac
 						return null;
 					}
 
-					if( securityTile.getProxy().isActive() )
-					{
-						( ( MEMonitorHandler<IAEItemStack> ) securityTile.getInventory( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) ) ).postChangesToListeners( Collections.singletonList( input.copy() ), this.src );
-					}
-
 					this.getStoredItems().add( input );
 					this.securityTile.inventoryChanged();
 					return null;
@@ -112,11 +101,6 @@ public class SecurityStationInventory implements IMEInventoryHandler<IAEItemStac
 					return output;
 				}
 
-				if( securityTile.getProxy().isActive() )
-				{
-					( ( MEMonitorHandler<IAEItemStack> ) securityTile.getInventory( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) ) ).postChangesToListeners( Collections.singletonList( target.copy().setStackSize( -target.getStackSize() ) ), this.src );
-				}
-
 				target.setStackSize( 0 );
 				this.securityTile.inventoryChanged();
 				return output;

src/main/java/appeng/parts/automation/PartFormationPlane.java

@@ -187,9 +187,8 @@ public class PartFormationPlane extends PartAbstractFormationPlane<IAEItemStack>
 		this.stateChanged();
 	}
 
-	@Override
 	@MENetworkEventSubscribe
-	public void chanRender( final MENetworkChannelsChanged changedChannels )
+	public void updateChannels( final MENetworkChannelsChanged changedChannels )
 	{
 		this.stateChanged();
 	}
@@ -207,7 +206,7 @@ public class PartFormationPlane extends PartAbstractFormationPlane<IAEItemStack>
 	@Override
 	public List<IMEInventoryHandler> getCellArray( final IStorageChannel channel )
 	{
-		if( channel == AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) )
+		if( this.getProxy().isActive() && channel == AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) )
 		{
 			final List<IMEInventoryHandler> handler = new ArrayList<>( 1 );
 			handler.add( this.myHandler );

src/main/java/appeng/parts/automation/PartLevelEmitter.java

@@ -19,9 +19,40 @@
 package appeng.parts.automation;
 
 
+import java.util.Random;
+
+import appeng.me.Grid;
+import appeng.me.GridNode;
+import appeng.util.item.AEItemStack;
+import it.unimi.dsi.fastutil.objects.Object2LongMap;
+import it.unimi.dsi.fastutil.objects.Object2LongOpenHashMap;
+import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.inventory.InventoryCrafting;
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.tileentity.TileEntity;
+import net.minecraft.util.EnumHand;
+import net.minecraft.util.EnumParticleTypes;
+import net.minecraft.util.ResourceLocation;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.util.math.Vec3d;
+import net.minecraft.world.World;
+import net.minecraftforge.items.IItemHandler;
+
 import appeng.api.AEApi;
-import appeng.api.config.*;
-import appeng.api.networking.crafting.*;
+import appeng.api.config.FuzzyMode;
+import appeng.api.config.LevelType;
+import appeng.api.config.RedstoneMode;
+import appeng.api.config.Settings;
+import appeng.api.config.Upgrades;
+import appeng.api.config.YesNo;
+import appeng.api.networking.crafting.ICraftingGrid;
+import appeng.api.networking.crafting.ICraftingPatternDetails;
+import appeng.api.networking.crafting.ICraftingProvider;
+import appeng.api.networking.crafting.ICraftingProviderHelper;
+import appeng.api.networking.crafting.ICraftingWatcher;
+import appeng.api.networking.crafting.ICraftingWatcherHost;
 import appeng.api.networking.energy.IEnergyGrid;
 import appeng.api.networking.energy.IEnergyWatcher;
 import appeng.api.networking.energy.IEnergyWatcherHost;
@@ -50,28 +81,10 @@ import appeng.core.sync.GuiBridge;
 import appeng.helpers.Reflected;
 import appeng.items.parts.PartModels;
 import appeng.me.GridAccessException;
-import appeng.me.cache.NetworkMonitor;
 import appeng.parts.PartModel;
 import appeng.tile.inventory.AppEngInternalAEInventory;
 import appeng.util.Platform;
 import appeng.util.inv.InvOperation;
-import appeng.util.item.OreHelper;
-import appeng.util.item.OreReference;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.inventory.InventoryCrafting;
-import net.minecraft.item.ItemStack;
-import net.minecraft.nbt.NBTTagCompound;
-import net.minecraft.tileentity.TileEntity;
-import net.minecraft.util.EnumHand;
-import net.minecraft.util.EnumParticleTypes;
-import net.minecraft.util.ResourceLocation;
-import net.minecraft.util.math.BlockPos;
-import net.minecraft.util.math.Vec3d;
-import net.minecraft.world.World;
-import net.minecraftforge.items.IItemHandler;
-
-import java.util.Optional;
-import java.util.Random;
 
 
 public class PartLevelEmitter extends PartUpgradeable implements IEnergyWatcherHost, IStackWatcherHost, ICraftingWatcherHost, IMEMonitorHandlerReceiver<IAEItemStack>, ICraftingProvider
@@ -110,6 +123,9 @@ public class PartLevelEmitter extends PartUpgradeable implements IEnergyWatcherH
 	private double centerX;
 	private double centerY;
 	private double centerZ;
+	static Object2LongMap<Grid> gridItemCount = new Object2LongOpenHashMap<>();
+	static Object2ObjectOpenHashMap<Grid, Object2LongMap<AEItemStack>> fuzzyAEItemStackCount = new Object2ObjectOpenHashMap<>();
+	static Object2ObjectOpenHashMap<Grid, Object2LongMap<AEItemStack>> preciseAEItemStackCount = new Object2ObjectOpenHashMap<>();
 
 	@Reflected
 	public PartLevelEmitter( final ItemStack is )
@@ -140,6 +156,12 @@ public class PartLevelEmitter extends PartUpgradeable implements IEnergyWatcherH
 		}
 	}
 
+	@MENetworkEventSubscribe
+	public void powerChanged( final MENetworkPowerStatusChange c )
+	{
+		this.updateState();
+	}
+
 	private void updateState()
 	{
 		final boolean isOn = this.isLevelEmitterOn();
@@ -184,25 +206,9 @@ public class PartLevelEmitter extends PartUpgradeable implements IEnergyWatcherH
 		return flipState ? this.reportingValue >= this.lastReportedValue + 1 : this.reportingValue < this.lastReportedValue + 1;
 	}
 
-	@Override
 	@MENetworkEventSubscribe
-	public void powerRender( final MENetworkPowerStatusChange powerEvent )
+	public void channelChanged( final MENetworkChannelsChanged c )
 	{
-		if (this.getProxy().isActive())
-		{
-			onListUpdate();
-		}
-		this.updateState();
-	}
-
-	@Override
-	@MENetworkEventSubscribe
-	public void chanRender( final MENetworkChannelsChanged c )
-	{
-		if (this.getProxy().isActive())
-		{
-			onListUpdate();
-		}
 		this.updateState();
 	}
 
@@ -317,29 +323,90 @@ public class PartLevelEmitter extends PartUpgradeable implements IEnergyWatcherH
 	}
 
 	private void updateReportingValue( final IMEMonitor<IAEItemStack> monitor )
+	{
+		updateReportingValue( monitor,null );
+	}
+
+	private void updateReportingValue( final IMEMonitor<IAEItemStack> monitor, Iterable<IAEItemStack> change )
 	{
 		final IAEItemStack myStack = this.config.getAEStackInSlot( 0 );
 
-		if( myStack == null )
+		GridNode node = (GridNode) (this.getGridNode());
+
+		if( node != null )
 		{
-			if( monitor instanceof NetworkMonitor )
+
+			final Grid g = node.getInternalGrid();
+
+			if( myStack == null )
 			{
-				this.lastReportedValue = ( (NetworkMonitor<IAEItemStack>) monitor ).getGridCurrentCount();
+				if( change != null )
+				{
+					if( gridItemCount.containsKey( g ) )
+					{
+						change.forEach( iaeItemStack -> lastReportedValue += iaeItemStack.getStackSize() );
+					}
+				}
+				gridItemCount.computeIfAbsent( g, ( aLong ) -> {
+					this.lastReportedValue = 0;
+					monitor.getStorageList().forEach( iaeItemStack -> lastReportedValue += iaeItemStack.getStackSize() );
+					return ( lastReportedValue );
+				} );
+				this.lastReportedValue = gridItemCount.get( g );
 			}
-		}
 
-		else if( this.getInstalledUpgrades( Upgrades.FUZZY ) > 0 )
-		{
-			final FuzzyMode fzMode = (FuzzyMode) this.getConfigManager().getSetting( Settings.FUZZY_MODE );
+			else if( this.getInstalledUpgrades( Upgrades.FUZZY ) > 0 )
+			{
+				final FuzzyMode fzMode = (FuzzyMode) this.getConfigManager().getSetting( Settings.FUZZY_MODE );
+				if( change != null )
+				{
+					if( fuzzyAEItemStackCount.containsKey( g ) )
+					{
+						change.forEach( iaeItemStack -> {
+							if( iaeItemStack.sameOre( myStack ) ) lastReportedValue += iaeItemStack.getStackSize();
+						} );
+					}
+				}
 
-			this.lastReportedValue = 0;
-			monitor.getStorageList().findFuzzy( myStack, fzMode ).forEach( iaeItemStack -> lastReportedValue += iaeItemStack.getStackSize() );
-		}
-		else
-		{
-			this.lastReportedValue = 0;
-			IAEItemStack precise = monitor.getStorageList().findPrecise( myStack );
-			if( precise != null ) lastReportedValue = precise.getStackSize();
+				fuzzyAEItemStackCount.computeIfAbsent( g, ( grid -> new Object2LongOpenHashMap<>() ) );
+				fuzzyAEItemStackCount.get( g ).computeIfAbsent( (AEItemStack) myStack, ( aLong -> {
+					this.lastReportedValue = 0;
+					monitor.getStorageList().findFuzzy( myStack, fzMode ).forEach( iaeItemStack -> lastReportedValue += iaeItemStack.getStackSize() );
+					return ( lastReportedValue );
+				} ) );
+
+				this.lastReportedValue = fuzzyAEItemStackCount.get( g ).get( myStack );
+				if( this.lastReportedValue == 0 )
+				{
+					fuzzyAEItemStackCount.get( g ).remove( myStack );
+					fuzzyAEItemStackCount.trim();
+				}
+			}
+			else
+			{
+				if( change != null )
+				{
+					if( preciseAEItemStackCount.containsKey( g ) )
+					{
+						change.forEach( iaeItemStack -> {
+							if( iaeItemStack.isSameType( myStack ) ) lastReportedValue += iaeItemStack.getStackSize();
+						} );
+					}
+				}
+				preciseAEItemStackCount.computeIfAbsent( g, ( grid -> new Object2LongOpenHashMap<>() ) );
+				preciseAEItemStackCount.get( g ).computeIfAbsent( (AEItemStack) myStack, ( aLong -> {
+					this.lastReportedValue = 0;
+					IAEItemStack precise = monitor.getStorageList().findPrecise( myStack );
+					if( precise != null ) lastReportedValue = precise.getStackSize();
+					return ( lastReportedValue );
+				} ) );
+				this.lastReportedValue = preciseAEItemStackCount.get( g ).get( myStack );
+				if( this.lastReportedValue == 0 )
+				{
+					preciseAEItemStackCount.get( g ).remove( myStack );
+					preciseAEItemStackCount.trim();
+				}
+			}
 		}
 		this.updateState();
 	}
@@ -352,23 +419,12 @@ public class PartLevelEmitter extends PartUpgradeable implements IEnergyWatcherH
 	}
 
 	@Override
-	public void onStackChange( IItemList<?> o, IAEStack<?> fullStack, IAEStack<?> diffStack, IActionSource src, IStorageChannel<?> chan )
+	public void onStackChange( final IItemList o, final IAEStack fullStack, final IAEStack diffStack, final IActionSource src, final IStorageChannel chan )
 	{
-		if( chan == AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) )
+		if( chan == AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) && fullStack.equals( this.config.getAEStackInSlot( 0 ) ) && this
+				.getInstalledUpgrades( Upgrades.FUZZY ) == 0 )
 		{
-			IAEItemStack myStack = this.config.getAEStackInSlot( 0 );
-			if( this.getInstalledUpgrades( Upgrades.FUZZY ) > 0 )
-			{
-				final FuzzyMode fzMode = (FuzzyMode) this.getConfigManager().getSetting( Settings.FUZZY_MODE );
-				if( Platform.itemComparisons().isFuzzyEqualItem( myStack.getDefinition(), ( (IAEItemStack) diffStack ).getDefinition(), fzMode ) )
-				{
-					this.lastReportedValue += diffStack.getStackSize();
-				}
-			}
-			else if( diffStack.equals( myStack ) )
-			{
-				this.lastReportedValue += diffStack.getStackSize();
-			}
+			this.lastReportedValue = fullStack.getStackSize();
 			this.updateState();
 		}
 	}
@@ -403,7 +459,7 @@ public class PartLevelEmitter extends PartUpgradeable implements IEnergyWatcherH
 	@Override
 	public void postChange( final IBaseMonitor<IAEItemStack> monitor, final Iterable<IAEItemStack> change, final IActionSource actionSource )
 	{
-		this.updateReportingValue( (IMEMonitor<IAEItemStack>) monitor );
+		this.updateReportingValue( (IMEMonitor<IAEItemStack>) monitor, change );
 	}
 
 	@Override
@@ -496,7 +552,6 @@ public class PartLevelEmitter extends PartUpgradeable implements IEnergyWatcherH
 	public void upgradesChanged()
 	{
 		this.configureWatchers();
-		this.updateState();
 	}
 
 	@Override
@@ -581,4 +636,9 @@ public class PartLevelEmitter extends PartUpgradeable implements IEnergyWatcherH
 		}
 	}
 
+	public static void wipeCache(){
+		fuzzyAEItemStackCount.clear();
+		preciseAEItemStackCount.clear();
+		gridItemCount.clear();
+	}
 }

src/main/java/appeng/parts/misc/ItemHandlerAdapter.java

@@ -21,7 +21,6 @@ package appeng.parts.misc;
 
 import javax.annotation.Nullable;
 import appeng.api.AEApi;
-import appeng.api.config.AccessRestriction;
 import appeng.api.config.Actionable;
 import appeng.api.config.Settings;
 import appeng.api.config.StorageFilter;
@@ -45,6 +44,7 @@ import it.unimi.dsi.fastutil.objects.Object2ObjectMap;
 import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
 import net.minecraft.item.ItemStack;
 import net.minecraftforge.items.IItemHandler;
+import net.minecraftforge.items.ItemHandlerHelper;
 
 import java.util.*;
 
@@ -60,7 +60,6 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 	private final IGridProxyable proxyable;
 	private final InventoryCache cache;
 	private StorageFilter mode;
-	private AccessRestriction access;
 
 	private ItemStack stackCache = null;
 
@@ -72,10 +71,8 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 		{
 			PartStorageBus partStorageBus = (PartStorageBus) this.proxyable;
 			this.mode = ( (StorageFilter) partStorageBus.getConfigManager().getSetting( Settings.STORAGE_FILTER ) );
-			this.access = ( (AccessRestriction) partStorageBus.getConfigManager().getSetting( Settings.ACCESS ) );
 		}
 		this.cache = new InventoryCache( this.itemHandler, this.mode );
-		this.cache.update();
 	}
 
 	@Override
@@ -86,8 +83,6 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 		stackCache = null;
 
 		ItemStack orgInput;
-		int slotCount = this.itemHandler.getSlots();
-
 		if( currentCached != null && iox.isSameType( currentCached ) )
 		{
 			// Cache is suitable, just update the count
@@ -99,16 +94,10 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 			// We need a new stack :-(
 			orgInput = iox.createItemStack();
 		}
-
-		ItemStack remaining = orgInput;
-
-		for( int i = 0; i < slotCount && !remaining.isEmpty(); i++ )
-		{
-			remaining = this.itemHandler.insertItem( i, remaining, type == Actionable.SIMULATE );
-		}
+		ItemStack remaining = ItemHandlerHelper.insertItem( this.itemHandler, orgInput, type == Actionable.SIMULATE );
 
 		// Store the stack in the cache for next time.
-		if( !remaining.isEmpty() && remaining != orgInput )
+		if (!remaining.isEmpty() && remaining != orgInput)
 		{
 			stackCache = remaining;
 		}
@@ -122,9 +111,6 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 
 		if( type == Actionable.MODULATE )
 		{
-			IAEItemStack added = iox.copy().setStackSize( iox.getStackSize() - remaining.getCount() );
-			this.cache.currentlyCached.add( added );
-			this.postDifference( Collections.singletonList( added ) );
 			try
 			{
 				this.proxyable.getProxy().getTick().alertDevice( this.proxyable.getProxy().getNode() );
@@ -133,6 +119,7 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 			{
 				// meh
 			}
+
 		}
 
 		return AEItemStack.fromItemStack( remaining );
@@ -141,17 +128,18 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 	@Override
 	public IAEItemStack extractItems( IAEItemStack request, Actionable mode, IActionSource src )
 	{
-		int remainingSize = Ints.saturatedCast( request.getStackSize() );
+		int remainingSize = Ints.saturatedCast(request.getStackSize());
 
 		// Use this to gather the requested items
 		ItemStack gathered = ItemStack.EMPTY;
 
 		final boolean simulate = ( mode == Actionable.SIMULATE );
-		for ( int i = 0; i < this.itemHandler.getSlots(); i++ )
+
+		for( int i = 0; i < this.itemHandler.getSlots(); i++ )
 		{
 			ItemStack stackInInventorySlot = this.itemHandler.getStackInSlot( i );
 
-			if( !request.isSameType( stackInInventorySlot ) )
+			if (!request.isSameType(stackInInventorySlot))
 			{
 				continue;
 			}
@@ -203,15 +191,8 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 
 		if( !gathered.isEmpty() )
 		{
-			IAEItemStack gatheredAEItemStack = AEItemStack.fromItemStack( gathered );
 			if( mode == Actionable.MODULATE )
 			{
-				IAEItemStack cachedStack = this.cache.currentlyCached.findPrecise( request );
-				if( cachedStack != null )
-				{
-					cachedStack.decStackSize( gatheredAEItemStack.getStackSize() );
-					this.postDifference( Collections.singletonList( gatheredAEItemStack.copy().setStackSize( -gatheredAEItemStack.getStackSize() ) ) );
-				}
 				try
 				{
 					this.proxyable.getProxy().getTick().alertDevice( this.proxyable.getProxy().getNode() );
@@ -222,7 +203,7 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 				}
 			}
 
-			return gatheredAEItemStack;
+			return AEItemStack.fromItemStack( gathered );
 		}
 
 		return null;
@@ -232,7 +213,7 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 	public TickRateModulation onTick()
 	{
 		List<IAEItemStack> changes = this.cache.update();
-		if( !changes.isEmpty() && access.hasPermission( AccessRestriction.READ ) )
+		if( !changes.isEmpty() )
 		{
 			this.postDifference( changes );
 			return TickRateModulation.URGENT;
@@ -293,9 +274,9 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 
 	private static class InventoryCache implements Iterable<ItemSlot>
 	{
+		private IAEItemStack[] cachedAeStacks = new IAEItemStack[0];
 		private final IItemHandler itemHandler;
 		private final StorageFilter mode;
-		IItemList<IAEItemStack> currentlyCached = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
 
 		public InventoryCache( IItemHandler itemHandler, StorageFilter mode )
 		{
@@ -305,7 +286,7 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 
 		public IItemList<IAEItemStack> getAvailableItems( IItemList<IAEItemStack> out )
 		{
-			currentlyCached.iterator().forEachRemaining( out::add );
+			Arrays.stream( this.cachedAeStacks ).forEach( out::add );
 			return out;
 		}
 
@@ -317,41 +298,93 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 		public List<IAEItemStack> update()
 		{
 			final List<IAEItemStack> changes = new ArrayList<>();
+			final int slots = this.itemHandler.getSlots();
 
-			IItemList<IAEItemStack> currentlyOnStorage = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
+			// Make room for new slots
+			if( slots > this.cachedAeStacks.length )
+			{
+				this.cachedAeStacks = Arrays.copyOf( this.cachedAeStacks, slots );
+			}
 
 			for( final ItemSlot is : this )
 			{
-				if( this.mode == StorageFilter.EXTRACTABLE_ONLY && !is.isExtractable() )
+				// Save the old stuff
+				final IAEItemStack oldAeIS = this.cachedAeStacks[is.getSlot()];
+				final ItemStack newIS = !is.isExtractable() && this.getMode() == StorageFilter.EXTRACTABLE_ONLY ? ItemStack.EMPTY : is.getItemStack();
+
+				this.handlePossibleSlotChanges( is.getSlot(), oldAeIS, newIS, changes );
+			}
+			// Handle cases where the number of slots actually is lower now than before
+			if( slots < this.cachedAeStacks.length )
+			{
+				for( int slot = slots; slot < this.cachedAeStacks.length; slot++ )
 				{
-					continue;
+					final IAEItemStack aeStack = this.cachedAeStacks[slot];
+
+					if( aeStack != null )
+					{
+						final IAEItemStack a = aeStack.copy();
+						a.setStackSize( -a.getStackSize() );
+						changes.add( a );
+					}
 				}
-				currentlyOnStorage.add( is.getAEItemStack() );
-			}
 
-			for ( final IAEItemStack is : currentlyCached )
-			{
-				is.setStackSize( -is.getStackSize() );
+				// Reduce the cache size
+				this.cachedAeStacks = Arrays.copyOf( this.cachedAeStacks, slots );
 			}
 
-			for ( final IAEItemStack is : currentlyOnStorage )
-			{
-				currentlyCached.add( is );
-			}
-
-			for ( final IAEItemStack is : currentlyCached )
-			{
-				if( is.getStackSize() != 0 )
-				{
-					changes.add( is );
-				}
-			}
-
-			currentlyCached = currentlyOnStorage;
-
 			return changes;
 		}
 
+		private void handlePossibleSlotChanges( int slot, IAEItemStack oldAeIS, ItemStack newIS, List<IAEItemStack> changes )
+		{
+			if( oldAeIS != null && oldAeIS.isSameType( newIS ) )
+			{
+				this.handleStackSizeChanged( slot, oldAeIS, newIS, changes );
+			}
+			else
+			{
+				this.handleItemChanged( slot, oldAeIS, newIS, changes );
+			}
+		}
+
+		private void handleStackSizeChanged( int slot, IAEItemStack oldAeIS, ItemStack newIS, List<IAEItemStack> changes )
+		{
+			// Still the same item, but amount might have changed
+			final long diff = newIS.getCount() - oldAeIS.getStackSize();
+
+			if( diff != 0 )
+			{
+				final IAEItemStack stack = oldAeIS.copy();
+				stack.setStackSize( newIS.getCount() );
+
+				this.cachedAeStacks[slot] = stack;
+
+				final IAEItemStack a = stack.copy();
+				a.setStackSize( diff );
+				changes.add( a );
+			}
+		}
+
+		private void handleItemChanged( int slot, IAEItemStack oldAeIS, ItemStack newIS, List<IAEItemStack> changes )
+		{
+			// Completely different item
+			this.cachedAeStacks[slot] = AEItemStack.fromItemStack( newIS );
+
+			// If we had a stack previously in this slot, notify the network about its disappearance
+			if( oldAeIS != null )
+			{
+				oldAeIS.setStackSize( -oldAeIS.getStackSize() );
+				changes.add( oldAeIS );
+			}
+
+			// Notify the network about the new stack. Note that this is null if newIS was null
+			if( this.cachedAeStacks[slot] != null )
+			{
+				changes.add( this.cachedAeStacks[slot] );
+			}
+		}
+
 		@Override
 		public Iterator<ItemSlot> iterator()
 		{

src/main/java/appeng/parts/misc/ItemRepositoryAdapter.java

@@ -2,9 +2,7 @@ package appeng.parts.misc;
 
 import javax.annotation.Nullable;
 import appeng.api.AEApi;
-import appeng.api.config.AccessRestriction;
 import appeng.api.config.Actionable;
-import appeng.api.config.Settings;
 import appeng.api.networking.security.IActionSource;
 import appeng.api.networking.storage.IBaseMonitor;
 import appeng.api.networking.ticking.TickRateModulation;
@@ -26,6 +24,7 @@ import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
 import net.minecraft.item.ItemStack;
 
 import java.util.*;
+import java.util.stream.Collectors;
 
 
 /**
@@ -40,7 +39,6 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
     private final IItemRepository itemRepository;
     private final IGridProxyable proxyable;
     private final InventoryCache cache;
-    private AccessRestriction access;
 
     private ItemStack stackCache;
 
@@ -49,12 +47,6 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
         this.itemRepository = itemRepository;
         this.proxyable = proxy;
         this.cache = new InventoryCache( this.itemRepository );
-        if( this.proxyable instanceof PartStorageBus )
-        {
-            PartStorageBus partStorageBus = (PartStorageBus) this.proxyable;
-            this.access = ( (AccessRestriction) partStorageBus.getConfigManager().getSetting( Settings.ACCESS ) );
-        }
-        this.cache.update();
     }
 
     @Override
@@ -79,7 +71,7 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
         ItemStack remaining = this.itemRepository.insertItem( orgInput, type == Actionable.SIMULATE );
 
         // Store the stack in the cache for next time.
-        if( !remaining.isEmpty() && remaining != orgInput )
+        if (!remaining.isEmpty() && remaining != orgInput)
         {
             stackCache = remaining;
         }
@@ -93,9 +85,6 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
 
         if( type == Actionable.MODULATE )
         {
-            IAEItemStack added = iox.copy().setStackSize( iox.getStackSize() - remaining.getCount() );
-            this.cache.currentlyCached.add( added );
-            this.postDifference( Collections.singletonList( added ) );
             try
             {
                 this.proxyable.getProxy().getTick().alertDevice( this.proxyable.getProxy().getNode() );
@@ -113,7 +102,7 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
     @Override
     public IAEItemStack extractItems( IAEItemStack request, Actionable mode, IActionSource src )
     {
-        int remainingSize = Ints.saturatedCast( request.getStackSize() );
+        int remainingSize = Ints.saturatedCast(request.getStackSize());
 
         final boolean simulate = ( mode == Actionable.SIMULATE );
 
@@ -130,15 +119,8 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
 
         if( !extracted.isEmpty() )
         {
-            IAEItemStack extractedAEItemStack = AEItemStack.fromItemStack( extracted );
             if( mode == Actionable.MODULATE )
             {
-                IAEItemStack cachedStack = this.cache.currentlyCached.findPrecise( request );
-                if (cachedStack != null)
-                {
-                    cachedStack.decStackSize( extractedAEItemStack.getStackSize() );
-                    this.postDifference( Collections.singletonList( extractedAEItemStack.copy().setStackSize( -extractedAEItemStack.getStackSize() ) ) );
-                }
                 try
                 {
                     this.proxyable.getProxy().getTick().alertDevice( this.proxyable.getProxy().getNode() );
@@ -148,7 +130,7 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
                     // meh
                 }
             }
-            return extractedAEItemStack;
+            return AEItemStack.fromItemStack( extracted );
         }
         return null;
     }
@@ -198,15 +180,17 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
     @Override
     public TickRateModulation onTick()
     {
-        List<IAEItemStack> changes = this.cache.update();
-        if( !changes.isEmpty() && access.hasPermission( AccessRestriction.READ ) )
         {
-            this.postDifference( changes );
-            return TickRateModulation.URGENT;
-        }
-        else
-        {
-            return TickRateModulation.SLOWER;
+            List<IAEItemStack> changes = this.cache.update();
+            if( !changes.isEmpty() )
+            {
+                this.postDifference( changes );
+                return TickRateModulation.URGENT;
+            }
+            else
+            {
+                return TickRateModulation.SLOWER;
+            }
         }
     }
 
@@ -218,7 +202,7 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
 
     private static class InventoryCache
     {
-        private IItemList<IAEItemStack> currentlyCached = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
+        private IAEItemStack[] cachedAeStacks = new IAEItemStack[0];
         private final IItemRepository iItemRepository;
 
         public InventoryCache( IItemRepository iItemRepository )
@@ -228,7 +212,7 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
 
         public IItemList<IAEItemStack> getAvailableItems( IItemList<IAEItemStack> out )
         {
-            currentlyCached.iterator().forEachRemaining( out::add );
+            Arrays.stream( this.cachedAeStacks ).forEach( out::add );
             return out;
         }
 
@@ -236,31 +220,95 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
         {
             final List<IAEItemStack> changes = new ArrayList<>();
 
-            IItemList<IAEItemStack> currentlyOnStorage = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
-            this.iItemRepository.getAllItems().stream().map( s -> AEItemStack.fromItemStack( s.itemPrototype ).setStackSize( s.count ) ).forEach( currentlyOnStorage::add );
+            List<IAEItemStack> out = this.iItemRepository.getAllItems().stream().map( s -> AEItemStack.fromItemStack( s.itemPrototype ).setStackSize( s.count ) ).collect( Collectors.toList() );
 
-            for ( final IAEItemStack is : currentlyCached )
+            final int size = out.size();
+
+            // Make room for new slots
+            if( size > this.cachedAeStacks.length )
             {
-                is.setStackSize( -is.getStackSize() );
+                this.cachedAeStacks = Arrays.copyOf( this.cachedAeStacks, size );
             }
 
-            for ( final IAEItemStack is : currentlyOnStorage )
+            for( int x = 0; x < size; x++ )
             {
-                currentlyCached.add( is );
+                // Save the old stuff
+                final IAEItemStack oldAeIS = this.cachedAeStacks[x];
+                final IAEItemStack newIS = out.get( x );
+
+                this.handlePossibleSlotChanges( x, oldAeIS, newIS, changes );
             }
 
-            for ( final IAEItemStack is : currentlyCached )
+            // Handle cases where the number of slots actually is lower now than before
+            if( size < this.cachedAeStacks.length )
             {
-                if( is.getStackSize() != 0 )
+                for( int x = 0; x < this.cachedAeStacks.length; x++ )
                 {
-                    changes.add( is );
-                }
-            }
+                    final IAEItemStack aeStack = this.cachedAeStacks[x];
 
-            currentlyCached = currentlyOnStorage;
+                    if( aeStack != null )
+                    {
+                        final IAEItemStack a = aeStack.copy();
+                        a.setStackSize( -a.getStackSize() );
+                        changes.add( a );
+                    }
+                }
+
+                // Reduce the cache size
+                this.cachedAeStacks = Arrays.copyOf( this.cachedAeStacks, size );
+            }
 
             return changes;
         }
 
+        private void handlePossibleSlotChanges( int slot, IAEItemStack oldAeIS, IAEItemStack newIS, List<IAEItemStack> changes )
+        {
+            if( oldAeIS != null && oldAeIS.isSameType( newIS ) )
+            {
+                this.handleStackSizeChanged( slot, oldAeIS, newIS, changes );
+            }
+            else
+            {
+                this.handleItemChanged( slot, oldAeIS, newIS, changes );
+            }
+        }
+
+        private void handleStackSizeChanged( int slot, IAEItemStack oldAeIS, IAEItemStack newIS, List<IAEItemStack> changes )
+        {
+            // Still the same item, but amount might have changed
+            final long diff = newIS.getStackSize() - oldAeIS.getStackSize();
+
+            if( diff != 0 )
+            {
+                final IAEItemStack stack = oldAeIS.copy();
+                stack.setStackSize( newIS.getStackSize() );
+
+                this.cachedAeStacks[slot] = stack;
+
+                final IAEItemStack a = stack.copy();
+                a.setStackSize( diff );
+                changes.add( a );
+            }
+        }
+
+        private void handleItemChanged( int slot, IAEItemStack oldAeIS, IAEItemStack newIS, List<IAEItemStack> changes )
+        {
+            // Completely different item
+            this.cachedAeStacks[slot] =  newIS ;
+
+            // If we had a stack previously in this slot, notify the network about its disappearance
+            if( oldAeIS != null )
+            {
+                oldAeIS.setStackSize( -oldAeIS.getStackSize() );
+                changes.add( oldAeIS );
+            }
+
+            // Notify the network about the new stack. Note that this is null if newIS was null
+            if( this.cachedAeStacks[slot] != null )
+            {
+                changes.add( this.cachedAeStacks[slot] );
+            }
+        }
+
     }
 }

src/main/java/appeng/parts/misc/PartInterface.java

@@ -95,16 +95,14 @@ public class PartInterface extends PartBasicState implements IGridTickable, ISto
 		super( is );
 	}
 
-	@Override
 	@MENetworkEventSubscribe
-	public void chanRender( final MENetworkChannelsChanged c )
+	public void stateChange( final MENetworkChannelsChanged c )
 	{
 		this.duality.notifyNeighbors();
 	}
 
-	@Override
 	@MENetworkEventSubscribe
-	public void powerRender( final MENetworkPowerStatusChange c )
+	public void stateChange( final MENetworkPowerStatusChange c )
 	{
 		this.duality.notifyNeighbors();
 	}

src/main/java/appeng/parts/misc/PartSharedStorageBus.java

@@ -22,14 +22,8 @@ package appeng.parts.misc;
 import java.util.Collections;
 import java.util.List;
 
-import appeng.api.config.AccessRestriction;
-import appeng.fluids.parts.PartFluidInterface;
-import appeng.fluids.tile.TileFluidInterface;
-import appeng.tile.misc.TileInterface;
-import appeng.tile.networking.TileCableBus;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
-import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.IBlockAccess;
 
@@ -61,8 +55,6 @@ public abstract class PartSharedStorageBus extends PartUpgradeable implements IG
 {
 	private boolean wasActive = false;
 	private int priority = 0;
-	protected boolean accessChanged;
-	protected boolean readOncePass;
 
 	public PartSharedStorageBus( ItemStack is )
 	{
@@ -87,9 +79,8 @@ public abstract class PartSharedStorageBus extends PartUpgradeable implements IG
 		}
 	}
 
-	@Override
 	@MENetworkEventSubscribe
-	public void chanRender( final MENetworkChannelsChanged changedChannels )
+	public void updateChannels( final MENetworkChannelsChanged changedChannels )
 	{
 		this.updateStatus();
 	}
@@ -155,10 +146,6 @@ public abstract class PartSharedStorageBus extends PartUpgradeable implements IG
 	@Override
 	public void updateSetting( final IConfigManager manager, final Enum settingName, final Enum newValue )
 	{
-		if( settingName.name().equals( "ACCESS" ) )
-		{
-			this.accessChanged = true;
-		}
 		this.resetCache( true );
 		this.getHost().markForSave();
 	}
@@ -168,27 +155,7 @@ public abstract class PartSharedStorageBus extends PartUpgradeable implements IG
 	{
 		if( pos.offset( this.getSide().getFacing() ).equals( neighbor ) )
 		{
-
-			final TileEntity te = w.getTileEntity( neighbor );
-
-			// In case the TE was destroyed, we have to do a full reset immediately.
-			if( te instanceof TileCableBus )
-			{
-				if( ( (TileCableBus) te ).getPart( this.getSide().getOpposite() ) instanceof PartFluidInterface )
-				{
-					this.resetCache( true );
-					this.resetCache();
-				}
-			}
-			else if( te == null || te instanceof TileFluidInterface )
-			{
-				this.resetCache( true );
-				this.resetCache();
-			}
-			else
-			{
-				this.resetCache( false );
-			}
+			this.resetCache( false );
 		}
 	}
 
@@ -197,7 +164,6 @@ public abstract class PartSharedStorageBus extends PartUpgradeable implements IG
 	{
 		super.readFromNBT( data );
 		this.priority = data.getInteger( "priority" );
-		this.accessChanged = false;
 	}
 
 	@Override

src/main/java/appeng/parts/misc/PartStorageBus.java

@@ -23,11 +23,6 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Objects;
 
-import appeng.api.networking.storage.IStorageGrid;
-import appeng.me.cache.GridStorageCache;
-import appeng.tile.misc.TileInterface;
-import appeng.tile.networking.TileCableBus;
-import appeng.util.ConfigManager;
 import com.jaquadro.minecraft.storagedrawers.api.capabilities.IItemRepository;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemStack;
@@ -91,6 +86,7 @@ import appeng.me.GridAccessException;
 import appeng.me.helpers.MachineSource;
 import appeng.me.storage.ITickingMonitor;
 import appeng.me.storage.MEInventoryHandler;
+import appeng.me.storage.MEMonitorIInventory;
 import appeng.parts.PartModel;
 import appeng.parts.automation.PartUpgradeable;
 import appeng.tile.inventory.AppEngInternalAEInventory;
@@ -125,8 +121,6 @@ public class PartStorageBus extends PartUpgradeable implements IGridTickable, IC
 	private int handlerHash = 0;
 	private boolean wasActive = false;
 	private byte resetCacheLogic = 0;
-	private boolean accessChanged;
-	private boolean readOncePass;
 
 	@Reflected
 	public PartStorageBus( final ItemStack is )
@@ -163,9 +157,8 @@ public class PartStorageBus extends PartUpgradeable implements IGridTickable, IC
 		}
 	}
 
-	@Override
 	@MENetworkEventSubscribe
-	public void chanRender( final MENetworkChannelsChanged changedChannels )
+	public void updateChannels( final MENetworkChannelsChanged changedChannels )
 	{
 		this.updateStatus();
 	}
@@ -179,10 +172,6 @@ public class PartStorageBus extends PartUpgradeable implements IGridTickable, IC
 	@Override
 	public void updateSetting( final IConfigManager manager, final Enum settingName, final Enum newValue )
 	{
-		if( settingName.name().equals( "ACCESS" ) )
-		{
-			this.accessChanged = true;
-		}
 		this.resetCache( true );
 		this.getHost().markForSave();
 	}
@@ -211,7 +200,6 @@ public class PartStorageBus extends PartUpgradeable implements IGridTickable, IC
 		super.readFromNBT( data );
 		this.Config.readFromNBT( data, "config" );
 		this.priority = data.getInteger( "priority" );
-		this.accessChanged = false;
 	}
 
 	@Override
@@ -246,7 +234,7 @@ public class PartStorageBus extends PartUpgradeable implements IGridTickable, IC
 		{
 			this.resetCacheLogic = 2;
 		}
-		else if( this.resetCacheLogic < 2 )
+		else
 		{
 			this.resetCacheLogic = 1;
 		}
@@ -270,29 +258,14 @@ public class PartStorageBus extends PartUpgradeable implements IGridTickable, IC
 	@Override
 	public void postChange( final IBaseMonitor<IAEItemStack> monitor, final Iterable<IAEItemStack> change, final IActionSource source )
 	{
-		if( this.getProxy().isActive() )
+		if( source == this.mySrc || source.machine().map( machine -> machine == this ).orElse( false ) )
 		{
-			AccessRestriction currentAccess = (AccessRestriction) ( (ConfigManager) this.getConfigManager() ).getSetting( Settings.ACCESS );
-			if( readOncePass )
-			{
-				readOncePass = false;
-				try
-				{
-					this.getProxy().getStorage().postAlterationOfStoredItems( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ), change, source );
-				}
-				catch( final GridAccessException e )
-				{
-					// :(
-				}
-				return;
-			}
-			if( !currentAccess.hasPermission( AccessRestriction.READ ) )
-			{
-				return;
-			}
 			try
 			{
-				this.getProxy().getStorage().postAlterationOfStoredItems( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ), change, source );
+				if( this.getProxy().isActive() )
+				{
+					this.getProxy().getStorage().postAlterationOfStoredItems( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ), change, this.mySrc );
+				}
 			}
 			catch( final GridAccessException e )
 			{
@@ -320,19 +293,10 @@ public class PartStorageBus extends PartUpgradeable implements IGridTickable, IC
 	{
 		if( pos.offset( this.getSide().getFacing() ).equals( neighbor ) )
 		{
-
 			final TileEntity te = w.getTileEntity( neighbor );
 
 			// In case the TE was destroyed, we have to do a full reset immediately.
-			if( te instanceof TileCableBus )
-			{
-				if( ( (TileCableBus) te ).getPart( this.getSide().getOpposite() ) instanceof PartInterface )
-				{
-					this.resetCache( true );
-					this.resetCache();
-				}
-			}
-			else if( te == null || te instanceof TileInterface )
+			if( te == null )
 			{
 				this.resetCache( true );
 				this.resetCache();
@@ -387,28 +351,11 @@ public class PartStorageBus extends PartUpgradeable implements IGridTickable, IC
 		final boolean fullReset = this.resetCacheLogic == 2;
 		this.resetCacheLogic = 0;
 
-		final MEInventoryHandler<IAEItemStack> in = this.getInternalHandler();
-
+		final IMEInventory<IAEItemStack> in = this.getInternalHandler();
 		IItemList<IAEItemStack> before = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
 		if( in != null )
 		{
-			if( accessChanged )
-			{
-				AccessRestriction currentAccess = (AccessRestriction) ( (ConfigManager) this.getConfigManager() ).getSetting( Settings.ACCESS );
-				AccessRestriction oldAccess = (AccessRestriction) ( (ConfigManager) this.getConfigManager() ).getOldSetting( Settings.ACCESS );
-				if( oldAccess.hasPermission( AccessRestriction.READ ) && !currentAccess.hasPermission( AccessRestriction.READ ) )
-				{
-					readOncePass = true;
-				}
-				in.setBaseAccess( oldAccess );
-				before = in.getAvailableItems( before );
-				in.setBaseAccess( currentAccess );
-				accessChanged = false;
-			}
-			else
-			{
-				before = in.getAvailableItems( before );
-			}
+			before = in.getAvailableItems( before );
 		}
 
 		this.cached = false;
@@ -417,12 +364,11 @@ public class PartStorageBus extends PartUpgradeable implements IGridTickable, IC
 			this.handlerHash = 0;
 		}
 
-		final MEInventoryHandler<IAEItemStack> out = this.getInternalHandler();
-
-		IItemList<IAEItemStack> after = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
+		final IMEInventory<IAEItemStack> out = this.getInternalHandler();
 
 		if( in != out )
 		{
+			IItemList<IAEItemStack> after = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
 			if( out != null )
 			{
 				after = out.getAvailableItems( after );
@@ -519,19 +465,21 @@ public class PartStorageBus extends PartUpgradeable implements IGridTickable, IC
 
 		this.handlerHash = newHandlerHash;
 		this.handler = null;
-		if( this.monitor != null )
-		{
-			( (IBaseMonitor<IAEItemStack>) monitor ).removeListener( this );
-		}
 		this.monitor = null;
 		if( target != null )
 		{
 			IMEInventory<IAEItemStack> inv = this.getInventoryWrapper( target );
 
+			if( inv instanceof MEMonitorIInventory )
+			{
+				final MEMonitorIInventory h = (MEMonitorIInventory) inv;
+				h.setMode( (StorageFilter) this.getConfigManager().getSetting( Settings.STORAGE_FILTER ) );
+			}
+
 			if( inv instanceof ITickingMonitor )
 			{
 				this.monitor = (ITickingMonitor) inv;
-				this.monitor.setActionSource( mySrc );
+				this.monitor.setActionSource( new MachineSource( this ) );
 				this.monitor.setMode( (StorageFilter) this.getConfigManager().getSetting( Settings.STORAGE_FILTER ) );
 			}
 
@@ -570,10 +518,7 @@ public class PartStorageBus extends PartUpgradeable implements IGridTickable, IC
 
 				if( inv instanceof IBaseMonitor )
 				{
-					if( ( (AccessRestriction) ( (ConfigManager) this.getConfigManager() ).getSetting( Settings.ACCESS ) ).hasPermission( AccessRestriction.READ ) )
-					{
-						( (IBaseMonitor<IAEItemStack>) inv ).addListener( this, this.handler );
-					}
+					( (IBaseMonitor<IAEItemStack>) inv ).addListener( this, this.handler );
 				}
 			}
 		}
@@ -602,7 +547,7 @@ public class PartStorageBus extends PartUpgradeable implements IGridTickable, IC
 		try
 		{
 			// force grid to update handlers...
-			(( GridStorageCache ) this.getProxy().getGrid().getCache( IStorageGrid.class )).cellUpdate( null );
+			this.getProxy().getGrid().postEvent( new MENetworkCellArrayUpdate() );
 		}
 		catch( final GridAccessException e )
 		{
@@ -643,7 +588,7 @@ public class PartStorageBus extends PartUpgradeable implements IGridTickable, IC
 	{
 		if( channel == AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) )
 		{
-			final IMEInventoryHandler<IAEItemStack> out = this.getInternalHandler();
+			final IMEInventoryHandler<IAEItemStack> out = this.getProxy().isActive() ? this.getInternalHandler() : null;
 			if( out != null )
 			{
 				return Collections.singletonList( out );

src/main/java/appeng/parts/p2p/PartP2PFluids.java

@@ -83,19 +83,10 @@ public class PartP2PFluids extends PartP2PTunnel<PartP2PFluids> implements IFlui
 
 		if( this.isOutput() )
 		{
-			try
+			final PartP2PFluids in = this.getInput();
+			if( in != null )
 			{
-				for( PartP2PFluids in : this.getInputs() )
-				{
-					if( in != null )
-					{
-						in.onTunnelNetworkChange();
-					}
-				}
-			}
-			catch( GridAccessException e )
-			{
-				e.printStackTrace();
+				in.onTunnelNetworkChange();
 			}
 		}
 	}
@@ -133,21 +124,13 @@ public class PartP2PFluids extends PartP2PTunnel<PartP2PFluids> implements IFlui
 	{
 		if( !this.isOutput() )
 		{
-			try
+			final PartP2PFluids tun = this.getInput();
+			if( tun != null )
 			{
-				for( PartP2PFluids tun : this.getInputs() )
-				{
-					if( tun != null )
-					{
-						return ACTIVE_TANK;
-					}
-				}
-			}
-			catch( GridAccessException e )
-			{
-				e.printStackTrace();
+				return ACTIVE_TANK;
 			}
 		}
+
 		return INACTIVE_TANK;
 	}
 

src/main/java/appeng/parts/p2p/PartP2PItems.java

@@ -74,19 +74,10 @@ public class PartP2PItems extends PartP2PTunnel<PartP2PItems> implements IItemHa
 	public void onNeighborChanged( IBlockAccess w, BlockPos pos, BlockPos neighbor )
 	{
 		this.cachedInv = null;
-		try
+		final PartP2PItems input = this.getInput();
+		if( input != null && this.isOutput() )
 		{
-			for( PartP2PItems input : this.getInputs() )
-			{
-				if( input != null && this.isOutput() )
-				{
-					input.onTunnelNetworkChange();
-				}
-			}
-		}
-		catch( GridAccessException e )
-		{
-			e.printStackTrace();
+			input.onTunnelNetworkChange();
 		}
 	}
 
@@ -231,19 +222,10 @@ public class PartP2PItems extends PartP2PTunnel<PartP2PItems> implements IItemHa
 		}
 		else
 		{
-			try
+			final PartP2PItems input = this.getInput();
+			if( input != null )
 			{
-				for( PartP2PItems input : this.getInputs() )
-				{
-					if( input != null )
-					{
-						input.getHost().notifyNeighbors();
-					}
-				}
-			}
-			catch( GridAccessException e )
-			{
-				e.printStackTrace();
+				input.getHost().notifyNeighbors();
 			}
 		}
 	}

src/main/java/appeng/parts/p2p/PartP2PLight.java

@@ -196,23 +196,14 @@ public class PartP2PLight extends PartP2PTunnel<PartP2PLight> implements IGridTi
 	{
 		if( this.isOutput() )
 		{
-			try
+			final PartP2PLight src = this.getInput();
+			if( src != null && src.getProxy().isActive() )
 			{
-				for( PartP2PLight src : this.getInputs() )
-				{
-					if( src != null && src.getProxy().isActive() )
-					{
-						this.setLightLevel( src.lastValue );
-					}
-					else
-					{
-						this.getHost().markForUpdate();
-					}
-				}
+				this.setLightLevel( src.lastValue );
 			}
-			catch( GridAccessException e )
+			else
 			{
-				e.printStackTrace();
+				this.getHost().markForUpdate();
 			}
 		}
 		else

src/main/java/appeng/parts/p2p/PartP2PRedstone.java

@@ -70,19 +70,10 @@ public class PartP2PRedstone extends PartP2PTunnel<PartP2PRedstone>
 	{
 		if( this.isOutput() )
 		{
-			try
+			final PartP2PRedstone in = this.getInput();
+			if( in != null )
 			{
-				for( PartP2PRedstone in : this.getInputs() )
-				{
-					if( in != null )
-					{
-						this.putInput( in.power );
-					}
-				}
-			}
-			catch( GridAccessException e )
-			{
-				e.printStackTrace();
+				this.putInput( in.power );
 			}
 		}
 	}

src/main/java/appeng/parts/p2p/PartP2PTunnel.java

@@ -53,7 +53,6 @@ import appeng.me.cache.P2PCache;
 import appeng.me.cache.helpers.TunnelCollection;
 import appeng.parts.PartBasicState;
 import appeng.util.Platform;
-import org.lwjgl.input.Keyboard;
 
 
 public abstract class PartP2PTunnel<T extends PartP2PTunnel> extends PartBasicState
@@ -78,13 +77,26 @@ public abstract class PartP2PTunnel<T extends PartP2PTunnel> extends PartBasicSt
 		return null;
 	}
 
-	public TunnelCollection<T> getInputs() throws GridAccessException
+	public T getInput()
 	{
-		if( this.getProxy().isActive() && this.getFrequency() != 0 )
+		if( this.getFrequency() == 0 )
 		{
-			return (TunnelCollection<T>) this.getProxy().getP2P().getInputs( this.getFrequency(), this.getClass() );
+			return null;
 		}
-		return new TunnelCollection( new ArrayList(), this.getClass() );
+
+		try
+		{
+			final PartP2PTunnel tunnel = this.getProxy().getP2P().getInput( this.getFrequency() );
+			if( this.getClass().isInstance( tunnel ) )
+			{
+				return (T) tunnel;
+			}
+		}
+		catch( final GridAccessException e )
+		{
+			// :P
+		}
+		return null;
 	}
 
 	public TunnelCollection<T> getOutputs() throws GridAccessException
@@ -199,28 +211,14 @@ public abstract class PartP2PTunnel<T extends PartP2PTunnel> extends PartBasicSt
 					final IPart testPart = ( (IPartItem) newType.getItem() ).createPartFromItemStack( newType );
 					if( testPart instanceof PartP2PTunnel )
 					{
-
-						try
-						{
-							this.getProxy().getP2P().removeTunnel( this, this.getFrequency() );
-						}
-						catch( GridAccessException e )
-						{
-							e.printStackTrace();
-						}
-
 						this.getHost().removePart( this.getSide(), true );
-
 						final AEPartLocation dir = this.getHost().addPart( newType, this.getSide(), player, hand );
 						final IPart newBus = this.getHost().getPart( dir );
 
 						if( newBus instanceof PartP2PTunnel )
 						{
 							final PartP2PTunnel newTunnel = (PartP2PTunnel) newBus;
-							if( !Keyboard.isKeyDown( Keyboard.KEY_LCONTROL ) && !Keyboard.isKeyDown( Keyboard.KEY_RCONTROL ) )
-							{
-								newTunnel.setOutput( true );
-							}
+							newTunnel.setOutput( true );
 
 							try
 							{
@@ -297,17 +295,7 @@ public abstract class PartP2PTunnel<T extends PartP2PTunnel> extends PartBasicSt
 				final boolean oldOutput = this.isOutput();
 				final short myFreq = this.getFrequency();
 
-				try
-				{
-					this.getProxy().getP2P().removeTunnel( this, this.getFrequency() );
-				}
-				catch( GridAccessException e )
-				{
-					e.printStackTrace();
-				}
-
 				this.getHost().removePart( this.getSide(), false );
-
 				final AEPartLocation dir = this.getHost().addPart( newType, this.getSide(), player, hand );
 				final IPart newBus = this.getHost().getPart( dir );
 
@@ -315,6 +303,7 @@ public abstract class PartP2PTunnel<T extends PartP2PTunnel> extends PartBasicSt
 				{
 					final PartP2PTunnel newTunnel = (PartP2PTunnel) newBus;
 					newTunnel.setOutput( oldOutput );
+					newTunnel.onTunnelNetworkChange();
 
 					try
 					{
@@ -325,10 +314,9 @@ public abstract class PartP2PTunnel<T extends PartP2PTunnel> extends PartBasicSt
 					{
 						// :P
 					}
-					newTunnel.onTunnelNetworkChange();
-
 				}
 
+				Platform.notifyBlocksOfNeighbors( this.getTile().getWorld(), this.getTile().getPos() );
 				return true;
 			}
 		}
@@ -362,38 +350,9 @@ public abstract class PartP2PTunnel<T extends PartP2PTunnel> extends PartBasicSt
 				if( needsNewFrequency )
 				{
 					newFreq = this.getProxy().getP2P().newFrequency();
-
-					final ItemStack newType = this.getHost().getPart( this.getSide() ).getItemStack( PartItemStack.WRENCH );
-
-					try
-					{
-						this.getProxy().getP2P().removeTunnel( this, this.getFrequency() );
-					}
-					catch( GridAccessException e )
-					{
-						e.printStackTrace();
-					}
-
-					this.getHost().removePart( this.getSide(), false );
-
-					final AEPartLocation dir = this.getHost().addPart( newType, this.getSide(), player, hand );
-					final IPart newBus = this.getHost().getPart( dir );
-
-					if( newBus instanceof PartP2PTunnel )
-					{
-						final PartP2PTunnel newTunnel = (PartP2PTunnel) newBus;
-						newTunnel.setOutput( false );
-						newTunnel.getProxy().getP2P().updateFreq( newTunnel, newFreq );
-
-						newTunnel.onTunnelNetworkChange();
-					}
 				}
-				else
-				{
-					this.getProxy().getP2P().updateFreq( this, newFreq );
-					this.onTunnelNetworkChange();
-				}
-				Platform.notifyBlocksOfNeighbors( this.getTile().getWorld(), this.getTile().getPos() );
+
+				this.getProxy().getP2P().updateFreq( this, newFreq );
 			}
 			catch( final GridAccessException e )
 			{
@@ -406,17 +365,10 @@ public abstract class PartP2PTunnel<T extends PartP2PTunnel> extends PartBasicSt
 			final String type = p2pItem.getUnlocalizedName();
 
 			p2pItem.writeToNBT( data );
-			if( needsNewFrequency )
-			{
-				data.setShort( "freq", newFreq );
-			}
-			else
-			{
-				data.setShort( "freq", this.getFrequency() );
-			}
+			data.setShort( "freq", this.getFrequency() );
 
 			final AEColor[] colors = Platform.p2p().toColors( this.getFrequency() );
-			final int[] colorCode = new int[]{
+			final int[] colorCode = new int[] {
 					colors[0].ordinal(), colors[0].ordinal(), colors[1].ordinal(), colors[1].ordinal(),
 					colors[2].ordinal(), colors[2].ordinal(), colors[3].ordinal(), colors[3].ordinal(),
 			};
@@ -443,6 +395,7 @@ public abstract class PartP2PTunnel<T extends PartP2PTunnel> extends PartBasicSt
 
 	public void onTunnelNetworkChange()
 	{
+
 	}
 
 	protected void queueTunnelDrain( final PowerUnits unit, final double f )

src/main/java/appeng/parts/reporting/AbstractPartMonitor.java

@@ -21,14 +21,10 @@ package appeng.parts.reporting;
 
 import java.io.IOException;
 
-import appeng.api.networking.events.MENetworkChannelsChanged;
-import appeng.api.networking.events.MENetworkEventSubscribe;
-import appeng.api.networking.events.MENetworkPowerStatusChange;
-import appeng.api.networking.security.IActionSource;
 import appeng.api.storage.channels.IFluidStorageChannel;
 import appeng.api.storage.data.IAEFluidStack;
-import appeng.api.storage.data.IItemList;
 import appeng.fluids.util.AEFluidStack;
+import appeng.util.item.AEStack;
 import io.netty.buffer.ByteBuf;
 
 import net.minecraft.client.renderer.GlStateManager;
@@ -47,6 +43,7 @@ import net.minecraftforge.fml.relauncher.SideOnly;
 
 import appeng.api.AEApi;
 import appeng.api.implementations.parts.IPartStorageMonitor;
+import appeng.api.networking.security.IActionSource;
 import appeng.api.networking.storage.IStackWatcher;
 import appeng.api.networking.storage.IStackWatcherHost;
 import appeng.api.parts.IPartModel;
@@ -55,6 +52,7 @@ import appeng.api.storage.IStorageChannel;
 import appeng.api.storage.channels.IItemStorageChannel;
 import appeng.api.storage.data.IAEItemStack;
 import appeng.api.storage.data.IAEStack;
+import appeng.api.storage.data.IItemList;
 import appeng.client.render.TesrRenderHelper;
 import appeng.core.localization.PlayerMessages;
 import appeng.helpers.Reflected;
@@ -82,7 +80,6 @@ public abstract class AbstractPartMonitor extends AbstractPartDisplay implements
 
 	private IAEItemStack configuredItem;
 	private IAEFluidStack configuredFluid;
-	private long configuredAmount;
 	private String lastHumanReadableText;
 	private boolean isLocked;
 	private IStackWatcher myWatcher;
@@ -223,7 +220,7 @@ public abstract class AbstractPartMonitor extends AbstractPartDisplay implements
 			}
 			else if( fluidInTank.amount > 0 )
 			{
-				this.configuredFluid = AEFluidStack.fromFluidStack( fluidInTank ).setStackSize( 0 );
+				this.configuredFluid = AEFluidStack.fromFluidStack( fluidInTank );
 				this.configuredItem = null;
 			}
 
@@ -307,31 +304,30 @@ public abstract class AbstractPartMonitor extends AbstractPartDisplay implements
 
 	private <T extends IAEStack<T>> void updateReportingValue ( final IMEMonitor<T> monitor )
 	{
+
 		if( this.configuredItem != null)
 		{
 			final IAEItemStack result = (IAEItemStack) monitor.getStorageList().findPrecise( (T) this.configuredItem );
 			if( result == null )
 			{
-				this.configuredAmount = 0;
+				this.configuredItem.setStackSize( 0 );
 			}
 			else
 			{
-				this.configuredAmount = result.getStackSize();
+				this.configuredItem.setStackSize( result.getStackSize() );
 			}
-			this.configuredItem.setStackSize( this.configuredAmount );
 		}
 		else if( this.configuredFluid != null)
 		{
 			final IAEFluidStack result = (IAEFluidStack) monitor.getStorageList().findPrecise( (T) this.configuredFluid );
 			if( result == null )
 			{
-				this.configuredAmount = 0;
+				this.configuredFluid.setStackSize( 0 );
 			}
 			else
 			{
-				this.configuredAmount = result.getStackSize();
+				this.configuredFluid.setStackSize( result.getStackSize() );
 			}
-			this.configuredFluid.setStackSize( this.configuredAmount );
 		}
 	}
 
@@ -396,38 +392,49 @@ public abstract class AbstractPartMonitor extends AbstractPartDisplay implements
 		this.configureWatchers();
 	}
 
-	@MENetworkEventSubscribe
-	public void powerStatusChange( final MENetworkPowerStatusChange ev )
-	{
-		if( this.getProxy().isPowered() )
-		{
-			this.configureWatchers();
-		}
-	}
-
-	@MENetworkEventSubscribe
-	public void channelChanged( final MENetworkChannelsChanged c )
-	{
-		if( this.getProxy().isPowered() )
-		{
-			this.configureWatchers();
-		}
-	}
-
 	@Override
-	public void onStackChange( IItemList<?> o, IAEStack<?> fullStack, IAEStack<?> diffStack, IActionSource src, IStorageChannel<?> chan )
+	public void onStackChange( final IItemList o, final IAEStack fullStack, final IAEStack diffStack, final IActionSource src, final IStorageChannel chan )
 	{
-		this.configuredAmount = fullStack.getStackSize();
-
 		if( this.configuredItem != null )
 		{
-			this.configuredItem.setStackSize( this.configuredAmount );
+			if( fullStack == null )
+			{
+				this.configuredItem.setStackSize( 0 );
+			}
+			else
+			{
+				this.configuredItem.setStackSize( fullStack.getStackSize() );
+			}
+
+			final long stackSize = this.configuredItem.getStackSize();
+			final String humanReadableText = NUMBER_CONVERTER.toWideReadableForm( stackSize );
+
+			if( !humanReadableText.equals( this.lastHumanReadableText ) )
+			{
+				this.lastHumanReadableText = humanReadableText;
+				this.getHost().markForUpdate();
+			}
 		}
 		else if( this.configuredFluid != null )
 		{
-			this.configuredFluid.setStackSize( this.configuredAmount );
+			if( fullStack == null )
+			{
+				this.configuredFluid.setStackSize( 0 );
+			}
+			else
+			{
+				this.configuredFluid.setStackSize( fullStack.getStackSize() );
+			}
+
+			final long stackSize = this.configuredFluid.getStackSize() / 1000;
+			final String humanReadableText = NUMBER_CONVERTER.toWideReadableForm( stackSize ) + "B";
+
+			if( !humanReadableText.equals( this.lastHumanReadableText ) )
+			{
+				this.lastHumanReadableText = humanReadableText;
+				this.getHost().markForUpdate();
+			}
 		}
-		this.getHost().markForUpdate();
 	}
 
 	@Override

src/main/java/appeng/parts/reporting/PartConversionMonitor.java

@@ -137,10 +137,14 @@ public class PartConversionMonitor extends AbstractPartMonitor
 			{
 				this.insertItem( player, hand, false );
 			}
+
 		}
 
 		//If its a fluid container, grab its fluidstack. if its empty pass its itemstack;
 
+		if (eq.isEmpty()){
+			return super.onPartActivate( player, hand, pos );
+		}
 		if( fluidInTank != null && fluidInTank.amount > 0 )
 		{
 			if( getDisplayed() instanceof IAEItemStack || getDisplayed() == null )
@@ -151,14 +155,20 @@ public class PartConversionMonitor extends AbstractPartMonitor
 			{
 				this.drainFluidContainer( player, hand );
 			}
-			else
-			{
+			else {
 				return super.onPartActivate( player, hand, pos );
 			}
 		}
-		else if( this.getDisplayed() != null && this.getDisplayed().equals( player.getHeldItem( hand ) ) )
+		else
 		{
-			this.insertItem( player, hand, false );
+			if( getDisplayed() instanceof IAEFluidStack || getDisplayed() == null )
+			{
+				return super.onPartActivate( player, hand, pos );
+			}
+			if( ( (IAEItemStack) this.getDisplayed() ).equals( eq ) )
+			{
+				this.insertItem( player, hand, false );
+			}
 		}
 		return super.onPartActivate( player, hand, pos );
 	}
@@ -181,6 +191,7 @@ public class PartConversionMonitor extends AbstractPartMonitor
 			return false;
 		}
 
+		ItemStack eq = player.getHeldItem( hand );
 		if( this.getDisplayed() != null && this.getDisplayed() instanceof IAEItemStack )
 		{
 			this.extractItem( player, ( (IAEItemStack) this.getDisplayed() ).getDefinition().getMaxStackSize() );
@@ -270,7 +281,7 @@ public class PartConversionMonitor extends AbstractPartMonitor
 	{
 		if (!(this.getDisplayed() instanceof IAEItemStack))
 			return;
-		final IAEItemStack input = (IAEItemStack) this.getDisplayed().copy();
+		final IAEItemStack input = (IAEItemStack) this.getDisplayed();
 		if( input != null )
 		{
 			try

src/main/java/appeng/tile/inventory/AppEngInternalInventory.java

@@ -123,7 +123,7 @@ public class AppEngInternalInventory extends ItemStackHandler implements Iterabl
 			ItemStack oldStack = this.previousStack;
 			InvOperation op = InvOperation.SET;
 
-			if( newStack.isEmpty() || oldStack.isEmpty() || ( oldStack.getCount() < oldStack.getMaxStackSize() && oldStack.getCount() < this.getSlotLimit( slot ) && ItemStack.areItemsEqual( newStack, oldStack ) ) )
+			if( newStack.isEmpty() || oldStack.isEmpty() || ItemStack.areItemsEqual( newStack, oldStack ) )
 			{
 				if( newStack.getCount() > oldStack.getCount() )
 				{

src/main/java/appeng/tile/networking/TileEnergyCell.java

@@ -155,7 +155,7 @@ public class TileEnergyCell extends AENetworkTile implements IAEPowerStorage
 			return 0;
 		}
 
-		if( this.internalCurrentPower < 0.01 && amt > 0 )
+		if( this.internalCurrentPower < 0.01 && amt > 0.01 )
 		{
 			this.getProxy().getNode().getGrid().postEvent( new MENetworkPowerStorage( this, PowerEventType.PROVIDE_POWER ) );
 		}
@@ -217,7 +217,7 @@ public class TileEnergyCell extends AENetworkTile implements IAEPowerStorage
 
 		final boolean wasFull = this.internalCurrentPower >= this.getInternalMaxPower() - 0.001;
 
-		if( wasFull && amt > 0 )
+		if( wasFull && amt > 0.001 )
 		{
 			try
 			{

src/main/java/appeng/tile/storage/TileChest.java

@@ -26,8 +26,6 @@ import java.util.List;
 import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
-import appeng.me.storage.BasicCellInventoryHandler;
-import appeng.me.storage.CreativeCellInventory;
 import io.netty.buffer.ByteBuf;
 
 import net.minecraft.entity.player.EntityPlayer;
@@ -496,14 +494,12 @@ public class TileChest extends AENetworkPowerTile implements IMEChest, ITerminal
 			try
 			{
 				this.getProxy().getGrid().postEvent( new MENetworkCellArrayUpdate() );
-				if( this.getProxy().isActive() )
-				{
-					final IStorageGrid gs = this.getProxy().getStorage();
-					Platform.postChanges( gs, removed, added, this.mySrc );
-				}
+				final IStorageGrid gs = this.getProxy().getStorage();
+				Platform.postChanges( gs, removed, added, this.mySrc );
 			}
 			catch( final GridAccessException ignored )
 			{
+
 			}
 
 			// update the neighbors
@@ -558,10 +554,14 @@ public class TileChest extends AENetworkPowerTile implements IMEChest, ITerminal
 	@Override
 	public List<IMEInventoryHandler> getCellArray( final IStorageChannel channel )
 	{
-		this.updateHandler();
-		if( this.cellHandler != null && this.cellHandler.getChannel() == channel )
+		if( this.getProxy().isActive() )
 		{
-			return Collections.singletonList( this.cellHandler );
+			this.updateHandler();
+
+			if( this.cellHandler != null && this.cellHandler.getChannel() == channel )
+			{
+				return Collections.singletonList( this.cellHandler );
+			}
 		}
 		return Collections.emptyList();
 	}
@@ -692,16 +692,21 @@ public class TileChest extends AENetworkPowerTile implements IMEChest, ITerminal
 		@Override
 		public void postChange( final IBaseMonitor<T> monitor, final Iterable<T> change, final IActionSource source )
 		{
-			try
+			if( source == TileChest.this.mySrc || source.machine().map( machine -> machine == TileChest.this ).orElse( false ) )
 			{
-				if( TileChest.this.getProxy().isActive() )
+				try
 				{
-					TileChest.this.getProxy().getStorage().postAlterationOfStoredItems( this.chan, change, TileChest.this.mySrc );
+					if( TileChest.this.getProxy().isActive() )
+					{
+						TileChest.this.getProxy().getStorage().postAlterationOfStoredItems( this.chan, change, TileChest.this.mySrc );
+					}
+				}
+				catch( final GridAccessException e )
+				{
+					// :(
 				}
-			} catch ( final GridAccessException e )
-			{
-				// :(
 			}
+
 			TileChest.this.blinkCell( 0 );
 		}
 
@@ -737,15 +742,7 @@ public class TileChest extends AENetworkPowerTile implements IMEChest, ITerminal
 			{
 				return input;
 			}
-			T injected = super.injectItems( input, mode, src );
-			if (mode == Actionable.MODULATE && ( injected == null || injected.getStackSize() != input.getStackSize() ))
-			{
-				if( TileChest.this.getProxy().isActive() && this.getInternalHandler().getCellInv() != null )
-				{
-					TileChest.this.cellHandler.postChangesToListeners(Collections.singletonList( input.copy().setStackSize( input.getStackSize() - ( injected == null ? 0 : injected.getStackSize() ) ) ), TileChest.this.mySrc  );
-				}
-			}
-			return injected;
+			return super.injectItems( input, mode, src );
 		}
 
 		private boolean securityCheck( final EntityPlayer player, final SecurityPermissions requiredPermission )
@@ -789,15 +786,7 @@ public class TileChest extends AENetworkPowerTile implements IMEChest, ITerminal
 			{
 				return null;
 			}
-			T extracted = super.extractItems( request, mode, src );
-			if( mode == Actionable.MODULATE && extracted != null )
-			{
-				if( TileChest.this.getProxy().isActive() && this.getInternalHandler().getCellInv() != null )
-				{
-					TileChest.this.cellHandler.postChangesToListeners(Collections.singletonList( request.copy().setStackSize( -extracted.getStackSize() ) ), TileChest.this.mySrc  );
-				}
-			}
-			return extracted;
+			return super.extractItems( request, mode, src );
 		}
 	}
 

src/main/java/appeng/tile/storage/TileDrive.java

@@ -264,11 +264,9 @@ public class TileDrive extends AENetworkInvTile implements IChestOrDrive, IPrior
 		try
 		{
 			this.getProxy().getGrid().postEvent( new MENetworkCellArrayUpdate() );
-			if( this.getProxy().isActive() )
-			{
-				final IStorageGrid gs = this.getProxy().getStorage();
-				Platform.postChanges( gs, removed, added, this.mySrc );
-			}
+
+			final IStorageGrid gs = this.getProxy().getStorage();
+			Platform.postChanges( gs, removed, added, this.mySrc );
 		}
 		catch( final GridAccessException ignored )
 		{
@@ -336,8 +334,13 @@ public class TileDrive extends AENetworkInvTile implements IChestOrDrive, IPrior
 	@Override
 	public List<IMEInventoryHandler> getCellArray( final IStorageChannel channel )
 	{
-		this.updateState();
-		return this.inventoryHandlers.get( channel );
+		if( this.getProxy().isActive() )
+		{
+			this.updateState();
+
+			return this.inventoryHandlers.get( channel );
+		}
+		return Collections.emptyList();
 	}
 
 	@Override

src/main/java/appeng/tile/storage/TileIOPort.java

@@ -418,12 +418,10 @@ public class TileIOPort extends AENetworkInvTile implements IUpgradeableHost, IC
 
 					if( possible > 0 )
 					{
-						IAEStack injectable = s.copy();
-
 						possible = Math.min( possible, itemsToMove );
-						injectable.setStackSize( possible );
+						s.setStackSize( possible );
 
-						final IAEStack extracted = src.extractItems( injectable, Actionable.MODULATE, this.mySrc );
+						final IAEStack extracted = src.extractItems( s, Actionable.MODULATE, this.mySrc );
 						if( extracted != null )
 						{
 							possible = extracted.getStackSize();
@@ -502,9 +500,8 @@ public class TileIOPort extends AENetworkInvTile implements IUpgradeableHost, IC
 		final IAEStack test = myList.getFirstItem();
 		if( test != null )
 		{
-			IAEStack testCopy = test.copy();
-			testCopy.setStackSize( 1 );
-			return src.injectItems( testCopy, Actionable.SIMULATE, this.mySrc ) != null;
+			test.setStackSize( 1 );
+			return src.injectItems( test, Actionable.SIMULATE, this.mySrc ) != null;
 		}
 		return false;
 	}

src/main/java/appeng/util/ConfigManager.java

@@ -36,7 +36,6 @@ public final class ConfigManager implements IConfigManager
 {
 	private final Map<Settings, Enum<?>> settings = new EnumMap<>( Settings.class );
 	private final IConfigManagerHost target;
-	private Map<Settings, Enum<?>> oldSettings = new EnumMap<>( Settings.class );
 
 	public ConfigManager( final IConfigManagerHost tile )
 	{
@@ -73,15 +72,10 @@ public final class ConfigManager implements IConfigManager
 	{
 		final Enum<?> oldValue = this.getSetting( settingName );
 		this.settings.put( settingName, newValue );
-		this.oldSettings.put( settingName, oldValue );
 		this.target.updateSetting( this, settingName, newValue );
 		return oldValue;
 	}
 
-	public Enum<?> getOldSetting(final Settings settingName){
-		return this.oldSettings.get( settingName );
-	}
-
 	/**
 	 * save all settings using config manager.
 	 *

src/main/java/appeng/util/item/OreReference.java

@@ -43,7 +43,7 @@ public class OreReference
 		return this.otherOptions;
 	}
 
-	public List<IAEItemStack> getAEEquivalents()
+	List<IAEItemStack> getAEEquivalents()
 	{
 		if( this.aeOtherOptions == null )
 		{

src/main/resources/assets/appliedenergistics2/lang/en_us.lang

@@ -405,10 +405,8 @@ waila.appliedenergistics2.Showing=Showing
 waila.appliedenergistics2.Contains=Contains
 waila.appliedenergistics2.Channels=%1$d of %2$d Channels
 waila.appliedenergistics2.P2PUnlinked=Unlinked
-waila.appliedenergistics2.p2p_input_one_output=Linked (Input Side) - 1 Output
-waila.appliedenergistics2.p2p_input_many_outputs=Linked (Input Side) - %d Outputs
-waila.appliedenergistics2.p2p_output_one_input=Linked (Output Side) - 1 Input
-waila.appliedenergistics2.p2p_output_many_inputs=Linked (Output Side) - %d Inputs
+waila.appliedenergistics2.P2PInputOneOutput=Linked (Input Side)
+waila.appliedenergistics2.P2PInputManyOutputs=Linked (Input Side) - %d Outputs
 waila.appliedenergistics2.P2POutput=Linked (Output Side)
 
 // TheOneProbe
@@ -422,10 +420,8 @@ theoneprobe.appliedenergistics2.showing=Showing
 theoneprobe.appliedenergistics2.contains=Contains
 theoneprobe.appliedenergistics2.channels=%1$d of %2$d Channels
 theoneprobe.appliedenergistics2.p2p_unlinked=Unlinked
-theoneprobe.appliedenergistics2.p2p_input_one_output=Linked (Input Side) - 1 Output
+theoneprobe.appliedenergistics2.p2p_input_one_output=Linked (Input Side)
 theoneprobe.appliedenergistics2.p2p_input_many_outputs=Linked (Input Side) - %d Outputs
-theoneprobe.appliedenergistics2.p2p_output_one_input=Linked (Output Side) - 1 Input
-theoneprobe.appliedenergistics2.p2p_output_many_inputs=Linked (Output Side) - %d Inputs
 theoneprobe.appliedenergistics2.p2p_output=Linked (Output Side)
 theoneprobe.appliedenergistics2.p2p_frequency=Frequency: %1$s
 theoneprobe.appliedenergistics2.stored_energy=%1$d / %2$d