wip

gradle.properties

@@ -4,7 +4,7 @@ aebuild=7
 aegroup=appeng
 aebasename=appliedenergistics2
 extended=extended_life
-extendedversion=v52b
+extendedversion=v50j
 #########################################################
 # Versions                                              #
 #########################################################
@@ -26,7 +26,6 @@ cofhcore_version=1.12.2-4.5.2.19
 crafttweaker_version=4.1.8.9
 inventorytweaks_version=1.63
 ctm_version=MC1.12.2-0.3.1.16
-forestry_version=5.8.2.387
 #########################################################
 # Deployment                                            #
 #########################################################

gradle/scripts/dependencies.gradle

@@ -97,8 +97,6 @@ dependencies {
     compileOnly "inventory-tweaks:InventoryTweaks:${inventorytweaks_version}:api"
     compileOnly "team.chisel.ctm:CTM:${ctm_version}"
     compileOnly "de.ellpeck.actuallyadditions:ActuallyAdditions:1.12.2-r152.16:api"
-    deobfCompile "net.sengir.forestry:forestry_${minecraft_version}:$forestry_version"
-
 
     // at runtime, use the full JEI jar
     runtime "mezz.jei:jei_${minecraft_version}:${jei_version}"

src/main/java/appeng/client/gui/AEBaseGui.java

@@ -33,7 +33,6 @@ import java.util.Set;
 import java.util.concurrent.TimeUnit;
 
 import appeng.container.slot.*;
-import appeng.util.Platform;
 import com.google.common.base.Joiner;
 import com.google.common.base.Stopwatch;
 import com.google.common.collect.Lists;
@@ -160,7 +159,7 @@ public abstract class AEBaseGui extends GuiContainer implements IMTModGuiContain
 
 		final List<Slot> slots = this.getInventorySlots();
 		final Iterator<Slot> i = slots.iterator();
-		while ( i.hasNext() )
+		while( i.hasNext() )
 		{
 			if( i.next() instanceof SlotME )
 			{
@@ -209,17 +208,13 @@ public abstract class AEBaseGui extends GuiContainer implements IMTModGuiContain
 			}
 		}
 		GlStateManager.enableDepth();
-		if( Platform.isModLoaded( "jei" ) )
-		{
-			bookmarkedJEIghostItem( mouseX, mouseY );
-		}
+		bookmarkedJEIghostItem(mouseX,mouseY);
 		GlStateManager.disableDepth();
 	}
 
-	@Optional.Method( modid = "jei" )
-	void bookmarkedJEIghostItem( final int mouseX, final int mouseY )
-	{
-		if( !isJeiGhostItem )
+	void bookmarkedJEIghostItem(final int mouseX, final int mouseY) {
+
+		if (!isJeiGhostItem)
 		{
 			bookmarkedIngredient = runtime.getBookmarkOverlay().getIngredientUnderMouse();
 		}
@@ -253,9 +248,7 @@ public abstract class AEBaseGui extends GuiContainer implements IMTModGuiContain
 			}
 		}
 	}
-
-	private void drawTargets( int mouseX, int mouseY )
-	{
+	private void drawTargets(int mouseX, int mouseY) {
 		GlStateManager.disableLighting();
 		for( IGhostIngredientHandler.Target target : hoveredIngredientTargets )
 		{
@@ -384,13 +377,17 @@ public abstract class AEBaseGui extends GuiContainer implements IMTModGuiContain
 					final AppEngSlot aeSlot = (AppEngSlot) slot;
 					if( aeSlot.isSlotEnabled() )
 					{
-						this.drawTexturedModalRect( ox + aeSlot.xPos - 1, oy + aeSlot.yPos - 1, optionalSlot.getSourceX() - 1, optionalSlot.getSourceY() - 1, 18, 18 );
+						this.drawTexturedModalRect( ox + aeSlot.xPos - 1, oy + aeSlot.yPos - 1, optionalSlot.getSourceX() - 1, optionalSlot.getSourceY() - 1,
+								18,
+								18 );
 					}
 					else
 					{
 						GlStateManager.color( 1.0F, 1.0F, 1.0F, 0.4F );
 						GlStateManager.enableBlend();
-						this.drawTexturedModalRect( ox + aeSlot.xPos - 1, oy + aeSlot.yPos - 1, optionalSlot.getSourceX() - 1, optionalSlot.getSourceY() - 1, 18, 18 );
+						this.drawTexturedModalRect( ox + aeSlot.xPos - 1, oy + aeSlot.yPos - 1, optionalSlot.getSourceX() - 1, optionalSlot.getSourceY() - 1,
+								18,
+								18 );
 						GlStateManager.color( 1.0F, 1.0F, 1.0F, 1.0F );
 					}
 				}
@@ -509,7 +506,7 @@ public abstract class AEBaseGui extends GuiContainer implements IMTModGuiContain
 	{
 		final EntityPlayer player = Minecraft.getMinecraft().player;
 
-		if( this.isJeiGhostItem && isDraggingJeiGhostItem )
+		if( this.isJeiGhostItem && isDraggingJeiGhostItem)
 		{
 			for( IGhostIngredientHandler.Target target : hoveredIngredientTargets )
 			{
@@ -762,8 +759,7 @@ public abstract class AEBaseGui extends GuiContainer implements IMTModGuiContain
 			this.disableShiftClick = false;
 		}
 
-		if( clickType == ClickType.PICKUP && isJeiGhostItem && !isDraggingJeiGhostItem )
-		{
+		if (clickType == ClickType.PICKUP && isJeiGhostItem && !isDraggingJeiGhostItem) {
 			this.isDraggingJeiGhostItem = true;
 			return;
 		}
@@ -883,7 +879,7 @@ public abstract class AEBaseGui extends GuiContainer implements IMTModGuiContain
 			if( stack != ItemStack.EMPTY )
 			{
 				InventoryAction direction = wheel > 0 ? InventoryAction.PLACE_SINGLE : InventoryAction.PICKUP_SINGLE;
-				final PacketInventoryAction p = new PacketInventoryAction( direction, slot.slotNumber, 0 );
+				final PacketInventoryAction p = new PacketInventoryAction( direction , slot.slotNumber , 0);
 				NetworkHandler.instance().sendToServer( p );
 			}
 		}
@@ -1036,11 +1032,27 @@ public abstract class AEBaseGui extends GuiContainer implements IMTModGuiContain
 							final float f1 = 0.00390625F;
 							final float f = 0.00390625F;
 							final float par6 = 16;
-							vb.pos( par1 + 0, par2 + par6, this.zLevel ).tex( ( par3 + 0 ) * f, ( par4 + par6 ) * f1 ).color( 1.0f, 1.0f, 1.0f, aes.getOpacityOfIcon() ).endVertex();
+							vb.pos( par1 + 0, par2 + par6, this.zLevel )
+									.tex( ( par3 + 0 ) * f, ( par4 + par6 ) * f1 )
+									.color( 1.0f, 1.0f, 1.0f,
+											aes.getOpacityOfIcon() )
+									.endVertex();
 							final float par5 = 16;
-							vb.pos( par1 + par5, par2 + par6, this.zLevel ).tex( ( par3 + par5 ) * f, ( par4 + par6 ) * f1 ).color( 1.0f, 1.0f, 1.0f, aes.getOpacityOfIcon() ).endVertex();
-							vb.pos( par1 + par5, par2 + 0, this.zLevel ).tex( ( par3 + par5 ) * f, ( par4 + 0 ) * f1 ).color( 1.0f, 1.0f, 1.0f, aes.getOpacityOfIcon() ).endVertex();
-							vb.pos( par1 + 0, par2 + 0, this.zLevel ).tex( ( par3 + 0 ) * f, ( par4 + 0 ) * f1 ).color( 1.0f, 1.0f, 1.0f, aes.getOpacityOfIcon() ).endVertex();
+							vb.pos( par1 + par5, par2 + par6, this.zLevel )
+									.tex( ( par3 + par5 ) * f, ( par4 + par6 ) * f1 )
+									.color( 1.0f, 1.0f, 1.0f,
+											aes.getOpacityOfIcon() )
+									.endVertex();
+							vb.pos( par1 + par5, par2 + 0, this.zLevel )
+									.tex( ( par3 + par5 ) * f, ( par4 + 0 ) * f1 )
+									.color( 1.0f, 1.0f, 1.0f,
+											aes.getOpacityOfIcon() )
+									.endVertex();
+							vb.pos( par1 + 0, par2 + 0, this.zLevel )
+									.tex( ( par3 + 0 ) * f, ( par4 + 0 ) * f1 )
+									.color( 1.0f, 1.0f, 1.0f,
+											aes.getOpacityOfIcon() )
+									.endVertex();
 							tessellator.draw();
 
 						}
@@ -1054,7 +1066,8 @@ public abstract class AEBaseGui extends GuiContainer implements IMTModGuiContain
 				{
 					if( ( (AppEngSlot) s ).getIsValid() == hasCalculatedValidness.NotAvailable )
 					{
-						boolean isValid = s.isItemValid( is ) || s instanceof SlotOutput || s instanceof AppEngCraftingSlot || s instanceof SlotDisabled || s instanceof SlotInaccessible || s instanceof SlotFake || s instanceof SlotRestrictedInput || s instanceof SlotDisconnected;
+						boolean isValid = s.isItemValid(
+								is ) || s instanceof SlotOutput || s instanceof AppEngCraftingSlot || s instanceof SlotDisabled || s instanceof SlotInaccessible || s instanceof SlotFake || s instanceof SlotRestrictedInput || s instanceof SlotDisconnected;
 						if( isValid && s instanceof SlotRestrictedInput )
 						{
 							try

src/main/java/appeng/core/AppEng.java

@@ -25,7 +25,6 @@ import java.util.concurrent.TimeUnit;
 
 import javax.annotation.Nonnull;
 
-import appeng.helpers.NonBlockingItems;
 import com.google.common.base.Stopwatch;
 import com.google.common.collect.Lists;
 
@@ -239,8 +238,6 @@ public final class AppEng
 		AppEng.proxy.postInit();
 		AEConfig.instance().save();
 
-		NonBlockingItems.INSTANCE.init();
-
 		NetworkRegistry.INSTANCE.registerGuiHandler( this, GuiBridge.GUI_Handler );
 		NetworkHandler.init( "AE2" );
 

src/main/java/appeng/core/sync/AppEngPacketHandlerBase.java

@@ -24,9 +24,34 @@ import java.lang.reflect.InvocationTargetException;
 import java.util.HashMap;
 import java.util.Map;
 
-import appeng.core.sync.packets.*;
 import io.netty.buffer.ByteBuf;
 
+import appeng.core.sync.packets.PacketAssemblerAnimation;
+import appeng.core.sync.packets.PacketClick;
+import appeng.core.sync.packets.PacketCompassRequest;
+import appeng.core.sync.packets.PacketCompassResponse;
+import appeng.core.sync.packets.PacketCompressedNBT;
+import appeng.core.sync.packets.PacketConfigButton;
+import appeng.core.sync.packets.PacketCraftRequest;
+import appeng.core.sync.packets.PacketFluidSlot;
+import appeng.core.sync.packets.PacketInventoryAction;
+import appeng.core.sync.packets.PacketJEIRecipe;
+import appeng.core.sync.packets.PacketLightning;
+import appeng.core.sync.packets.PacketMEFluidInventoryUpdate;
+import appeng.core.sync.packets.PacketMEInventoryUpdate;
+import appeng.core.sync.packets.PacketMatterCannon;
+import appeng.core.sync.packets.PacketMockExplosion;
+import appeng.core.sync.packets.PacketPaintedEntity;
+import appeng.core.sync.packets.PacketPartPlacement;
+import appeng.core.sync.packets.PacketPatternSlot;
+import appeng.core.sync.packets.PacketProgressBar;
+import appeng.core.sync.packets.PacketSwapSlots;
+import appeng.core.sync.packets.PacketSwitchGuis;
+import appeng.core.sync.packets.PacketTargetFluidStack;
+import appeng.core.sync.packets.PacketTargetItemStack;
+import appeng.core.sync.packets.PacketTransitionEffect;
+import appeng.core.sync.packets.PacketValueConfig;
+
 
 public class AppEngPacketHandlerBase
 {
@@ -82,10 +107,7 @@ public class AppEngPacketHandlerBase
 
 		PACKET_PAINTED_ENTITY( PacketPaintedEntity.class ),
 
-		PACKET_FLUID_TANK( PacketFluidSlot.class ),
-
-		PACKET_INFORM_PLAYER( PacketInformPlayer.class );
-
+		PACKET_FLUID_TANK( PacketFluidSlot.class );
 
 		private final Class<? extends AppEngPacket> packetClass;
 		private final Constructor<? extends AppEngPacket> packetConstructor;

src/main/java/appeng/core/sync/packets/PacketInformPlayer.java

@@ -1,89 +0,0 @@
-package appeng.core.sync.packets;
-
-import appeng.api.storage.data.IAEItemStack;
-import appeng.core.AppEng;
-import appeng.core.sync.AppEngPacket;
-import appeng.core.sync.network.INetworkInfo;
-import appeng.util.item.AEItemStack;
-import io.netty.buffer.ByteBuf;
-import io.netty.buffer.Unpooled;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.util.text.TextComponentString;
-
-import java.io.IOException;
-
-public class PacketInformPlayer extends AppEngPacket
-{
-	private IAEItemStack actualItem = null;
-	private IAEItemStack reportedItem = null;
-	private final InfoType type;
-
-	public PacketInformPlayer( ByteBuf stream ) throws IOException
-	{
-		this.type = InfoType.values()[stream.readInt()];
-		if( type == InfoType.PARTIAL_ITEM_EXTRACTION )
-		{
-			this.reportedItem = AEItemStack.fromPacket( stream );
-			this.actualItem = AEItemStack.fromPacket( stream );
-		}
-		else if( type == InfoType.NO_ITEMS_EXTRACTED )
-		{
-			this.reportedItem = AEItemStack.fromPacket( stream );
-		}
-	}
-
-	public PacketInformPlayer( final IAEItemStack iaeItemStack ) throws IOException
-	{
-		this( iaeItemStack, null );
-	}
-
-	public PacketInformPlayer( IAEItemStack extra, IAEItemStack result ) throws IOException
-	{
-		this.reportedItem = extra;
-		this.actualItem = result;
-		if( actualItem == null )
-		{
-			this.type = InfoType.NO_ITEMS_EXTRACTED;
-		}
-		else
-		{
-			this.type = InfoType.PARTIAL_ITEM_EXTRACTION;
-		}
-
-		final ByteBuf data = Unpooled.buffer();
-
-		data.writeInt( this.getPacketID() );
-
-		data.writeInt( type.ordinal() );
-
-		reportedItem.writeToPacket( data );
-		if( actualItem != null )
-		{
-			actualItem.writeToPacket( data );
-		}
-
-		this.configureWrite( data );
-	}
-
-	@Override
-	public void clientPacketData( final INetworkInfo network, final AppEngPacket packet, final EntityPlayer player )
-	{
-		TextComponentString msg = null;
-
-		if( this.type == InfoType.PARTIAL_ITEM_EXTRACTION )
-		{
-			AppEng.proxy.getPlayers().get( 0 ).sendStatusMessage( new TextComponentString( "System reported " + reportedItem.getStackSize() + " " + reportedItem.getItem().getItemStackDisplayName( reportedItem.getDefinition() ) + " available but could only extract" + actualItem.getStackSize() ), false );
-		}
-		else if( this.type == InfoType.NO_ITEMS_EXTRACTED )
-		{
-			AppEng.proxy.getPlayers().get( 0 ).sendStatusMessage( new TextComponentString( "System reported " + reportedItem.getStackSize() + " " + reportedItem.getItem().getItemStackDisplayName( reportedItem.getDefinition() ) + " available but could not extract anything" ), false );
-		}
-
-	}
-
-	public enum InfoType
-	{
-		PARTIAL_ITEM_EXTRACTION,
-		NO_ITEMS_EXTRACTED
-	}
-}

src/main/java/appeng/core/sync/packets/PacketJEIRecipe.java

@@ -30,6 +30,7 @@ import java.util.List;
 import appeng.api.config.FuzzyMode;
 import appeng.container.implementations.ContainerExpandedProcessingPatternTerm;
 import appeng.container.implementations.ContainerPatternTerm;
+import gregtech.common.items.MetaTool;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
 
@@ -40,7 +41,6 @@ import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.CompressedStreamTools;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.nbt.NBTTagList;
-import net.minecraftforge.fml.common.Optional;
 import net.minecraftforge.items.IItemHandler;
 
 import appeng.api.AEApi;
@@ -175,8 +175,7 @@ public class PacketJEIRecipe extends AppEngPacket
 			{
 				ItemStack currentItem = craftMatrix.getStackInSlot( x );
 
-				if( x >= this.recipe.size() )
-				{
+				if (x >= this.recipe.size()) {
 					currentItem = ItemStack.EMPTY;
 				}
 
@@ -229,7 +228,7 @@ public class PacketJEIRecipe extends AppEngPacket
 									out = Platform.poweredExtraction( energy, storage, request, cct.getActionSource() );
 									if( out == null )
 									{
-										if( request.getItem().isDamageable() || Platform.isGTDamageableItem( request.getItem() ) )
+										if( request.getItem().isDamageable() || ( Platform.isModLoaded( "gregtech" ) && request.getItem() instanceof MetaTool ) )
 										{
 											Collection<IAEItemStack> outList = inv.getInventory( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) ).getStorageList().findFuzzy( request, FuzzyMode.IGNORE_ALL );
 											for( IAEItemStack is : outList )
@@ -262,7 +261,7 @@ public class PacketJEIRecipe extends AppEngPacket
 
 								if( out != null )
 								{
-									if( !cct.useRealItems() )
+									if (!cct.useRealItems())
 									{
 										out.setStackSize( recipe.get( x )[y].getCount() );
 									}
@@ -286,7 +285,7 @@ public class PacketJEIRecipe extends AppEngPacket
 							}
 						}
 					}
-					if( !cct.useRealItems() )
+					if (!cct.useRealItems())
 					{
 						if( currentItem.isEmpty() && recipe.size() > x && this.recipe.get( x ) != null )
 						{
@@ -299,28 +298,25 @@ public class PacketJEIRecipe extends AppEngPacket
 
 			con.onCraftMatrixChanged( new WrapperInvItemHandler( craftMatrix ) );
 
-			if( this.output != null && ( ( con instanceof ContainerPatternTerm && !( (ContainerPatternTerm) con ).isCraftingMode() ) || con instanceof ContainerExpandedProcessingPatternTerm ) )
-			{
-				IItemHandler outputSlots = cct.getInventoryByName( "output" );
-				for( int i = 0; i < outputSlots.getSlots(); ++i )
-				{
-					ItemHandlerUtil.setStackInSlot( outputSlots, i, ItemStack.EMPTY );
-				}
-				for( int i = 0; i < this.output.size() && i < outputSlots.getSlots(); ++i )
-				{
-					if( this.output.get( i ) == null || this.output.get( i ) == ItemStack.EMPTY )
-					{
-						continue;
-					}
-					ItemHandlerUtil.setStackInSlot( outputSlots, i, this.output.get( i ) );
-				}
+			if( this.output != null && ( ( con instanceof ContainerPatternTerm && !( (ContainerPatternTerm) con ).isCraftingMode() ) || con instanceof ContainerExpandedProcessingPatternTerm ) ) {
+                IItemHandler outputSlots = cct.getInventoryByName("output");
+                for (int i = 0; i < outputSlots.getSlots(); ++i) {
+                    ItemHandlerUtil.setStackInSlot(outputSlots, i, ItemStack.EMPTY);
+                }
+                for (int i = 0; i < this.output.size() && i < outputSlots.getSlots(); ++i) {
+                    if (this.output.get(i) == null || this.output.get(i) == ItemStack.EMPTY) {
+                        continue;
+                    }
+                    ItemHandlerUtil.setStackInSlot(outputSlots, i, this.output.get(i));
+                }
 			}
 		}
 	}
 
 	/**
+	 * 
 	 * @param slot
-	 * @param is   itemstack
+	 * @param is itemstack
 	 * @return is if it can be used, else EMPTY
 	 */
 	private ItemStack canUseInSlot( int slot, ItemStack is )

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

@@ -19,6 +19,16 @@
 package appeng.crafting;
 
 
+import java.util.HashMap;
+import java.util.concurrent.TimeUnit;
+
+import appeng.me.cache.GridStorageCache;
+import com.google.common.base.Stopwatch;
+
+import net.minecraft.entity.player.EntityPlayer;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.world.World;
+
 import appeng.api.AEApi;
 import appeng.api.config.Actionable;
 import appeng.api.networking.IGrid;
@@ -27,6 +37,7 @@ import appeng.api.networking.IGridNode;
 import appeng.api.networking.crafting.ICraftingCallback;
 import appeng.api.networking.crafting.ICraftingGrid;
 import appeng.api.networking.crafting.ICraftingJob;
+import appeng.api.networking.crafting.ICraftingPatternDetails;
 import appeng.api.networking.security.IActionHost;
 import appeng.api.networking.security.IActionSource;
 import appeng.api.networking.storage.IStorageGrid;
@@ -36,14 +47,6 @@ import appeng.api.storage.data.IItemList;
 import appeng.api.util.DimensionalCoord;
 import appeng.core.AELog;
 import appeng.hooks.TickHandler;
-import appeng.me.cache.GridStorageCache;
-import com.google.common.base.Stopwatch;
-import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.world.World;
-
-import java.util.HashMap;
-import java.util.concurrent.TimeUnit;
 
 
 public class CraftingJob implements Runnable, ICraftingJob
@@ -55,45 +58,60 @@ public class CraftingJob implements Runnable, ICraftingJob
 	private final World world;
 	private final IItemList<IAEItemStack> crafting = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
 	private final IItemList<IAEItemStack> missing = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
-	private final IItemList<IAEItemStack> neededForLoop = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
-	private final Object2ObjectOpenHashMap<CraftingTreeNode, IAEItemStack> reserved = new Object2ObjectOpenHashMap<>();
+	private final IItemList<IAEItemStack> usedWhileBuilding = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
+	private final IItemList<IAEItemStack> uniques = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
 
 	private final HashMap<String, TwoIntegers> opsAndMultiplier = new HashMap<>();
 	private final Object monitor = new Object();
 	private final Stopwatch tickSpreadingWatch = Stopwatch.createUnstarted();
 	private final Stopwatch craftingTreeWatch = Stopwatch.createUnstarted();
-	private final IAEItemStack output;
-	private final IActionSource actionSrc;
-	private final ICraftingCallback callback;
 	private CraftingTreeNode tree;
+	private final IAEItemStack output;
+	private long expectedOutput;
 	private boolean simulate = false;
 	private MECraftingInventory availableCheck;
 	private long bytes = 0;
+	private final IActionSource actionSrc;
+	private final ICraftingCallback callback;
 	private boolean running = false;
 	private boolean done = false;
 	private int time;
 	private int incTime;
 
+	private World wrapWorld( final World w )
+	{
+		return w;
+	}
+
 	public CraftingJob( final World w, final IGrid grid, final IActionSource actionSrc, final IAEItemStack what, final ICraftingCallback callback )
 	{
-		this.world = w;
+		this.world = this.wrapWorld( w );
 		this.output = what.copy();
 		this.actionSrc = actionSrc;
 
 		this.callback = callback;
 
-		ICraftingGrid cc = grid.getCache( ICraftingGrid.class );
+		final ICraftingGrid cc = grid.getCache( ICraftingGrid.class );
 		final GridStorageCache sg = grid.getCache( IStorageGrid.class );
-		this.original = sg.getExtractableList( actionSrc );
+		this.original = new MECraftingInventory( sg.getExtractableList( actionSrc ) );
 
-		this.availableCheck = new MECraftingInventory( this.original, false, false, false );
 		this.setTree( this.getCraftingTree( cc, what ) );
 		this.availableCheck = null;
 	}
 
+	public long getExpectedOutput()
+	{
+		return expectedOutput;
+	}
+
+	public void incExpectedOutput( long amount )
+	{
+		this.expectedOutput += amount;
+	}
+
 	private CraftingTreeNode getCraftingTree( final ICraftingGrid cc, final IAEItemStack what )
 	{
-		return new CraftingTreeNode( cc, this, what, what.getStackSize(), null, -1 );
+		return new CraftingTreeNode( cc, this, what, null, -1, 0 );
 	}
 
 	void refund( final IAEItemStack o )
@@ -101,6 +119,16 @@ public class CraftingJob implements Runnable, ICraftingJob
 		this.availableCheck.injectItems( o, Actionable.MODULATE, this.actionSrc );
 	}
 
+	public IItemList<IAEItemStack> getUsedWhileBuilding()
+	{
+		return usedWhileBuilding;
+	}
+
+	public IItemList<IAEItemStack> getUniques()
+	{
+		return uniques;
+	}
+
 	IAEItemStack checkUse( final IAEItemStack available )
 	{
 		return this.availableCheck.extractItems( available, Actionable.MODULATE, this.actionSrc );
@@ -108,10 +136,15 @@ public class CraftingJob implements Runnable, ICraftingJob
 
 	IAEItemStack checkAvailable( final IAEItemStack available )
 	{
-		return this.availableCheck.extractItems( available, Actionable.SIMULATE, this.actionSrc );
+		return this.original.extractItems( available.copy().setStackSize( Long.MAX_VALUE ), Actionable.SIMULATE, this.actionSrc );
 	}
 
-	void addTask( IAEItemStack what, final long crafts )
+	public void writeToNBT( final NBTTagCompound out )
+	{
+
+	}
+
+	void addTask( IAEItemStack what, final long crafts, final ICraftingPatternDetails details, final int depth )
 	{
 		if( crafts > 0 )
 		{
@@ -127,22 +160,6 @@ public class CraftingJob implements Runnable, ICraftingJob
 		this.missing.add( what );
 	}
 
-	public void reserve( CraftingTreeNode node, IAEItemStack stack )
-	{
-		this.checkUse( stack );
-		reserved.put( node, stack );
-	}
-
-	public IItemList<IAEItemStack> getNeededForLoop()
-	{
-		return neededForLoop;
-	}
-
-	public Object2ObjectOpenHashMap<CraftingTreeNode, IAEItemStack> getReserved()
-	{
-		return reserved;
-	}
-
 	@Override
 	public void run()
 	{
@@ -153,15 +170,13 @@ public class CraftingJob implements Runnable, ICraftingJob
 				TickHandler.INSTANCE.registerCraftingSimulation( this.world, this );
 				this.handlePausing();
 
+				craftingTreeWatch.start();
+
 				final MECraftingInventory craftingInventory = new MECraftingInventory( this.original, true, false, true );
+				craftingInventory.ignore( this.output );
 
 				this.availableCheck = new MECraftingInventory( this.original, false, false, false );
-				this.reserved.values().forEach( availableCheck::reserve );
-				this.reserved.values().forEach( craftingInventory::reserve );
-
-				craftingTreeWatch.start();
 				this.getTree().request( craftingInventory, this.output.getStackSize(), this.actionSrc );
-				craftingTreeWatch.stop();
 				this.getTree().dive( this );
 
 				for( final String s : this.opsAndMultiplier.keySet() )
@@ -170,14 +185,8 @@ public class CraftingJob implements Runnable, ICraftingJob
 					AELog.crafting( s + " * " + ti.times + " = " + ( ti.perOp * ti.times ) );
 				}
 
-				if( actionSrc.player().isPresent() )
-				{
-					this.logCraftingJob( "simulated, success", craftingTreeWatch );
-				}
-				else
-				{
-					this.logCraftingJob( "real, success", craftingTreeWatch );
-				}
+				craftingTreeWatch.stop();
+				this.logCraftingJob( "real, success", craftingTreeWatch );
 			}
 			catch( final CraftBranchFailure e )
 			{
@@ -187,16 +196,14 @@ public class CraftingJob implements Runnable, ICraftingJob
 				{
 					if( actionSrc.player().isPresent() )
 					{
+						craftingTreeWatch.reset().start();
 						final MECraftingInventory craftingInventory = new MECraftingInventory( this.original, true, false, true );
-						this.getTree().setSimulate();
+						craftingInventory.ignore( this.output );
 
 						this.availableCheck = new MECraftingInventory( this.original, false, false, false );
-						this.reserved.values().forEach( availableCheck::reserve );
-						this.reserved.values().forEach( craftingInventory::reserve );
 
-						craftingTreeWatch.reset().start();
+						this.getTree().setSimulate();
 						this.getTree().request( craftingInventory, this.output.getStackSize(), this.actionSrc );
-						craftingTreeWatch.stop();
 						this.getTree().dive( this );
 
 						for( final String s : this.opsAndMultiplier.keySet() )
@@ -205,10 +212,12 @@ public class CraftingJob implements Runnable, ICraftingJob
 							AELog.crafting( s + " * " + ti.times + " = " + ( ti.perOp * ti.times ) );
 						}
 
-						this.logCraftingJob( "simulated, failed", craftingTreeWatch );
+						craftingTreeWatch.stop();
+						this.logCraftingJob( "simulate", craftingTreeWatch );
 					}
 					else
 					{
+						craftingTreeWatch.stop();
 						this.logCraftingJob( "real, failed", craftingTreeWatch );
 					}
 				}

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

@@ -19,31 +19,25 @@
 package appeng.crafting;
 
 
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+import appeng.api.config.FuzzyMode;
+import net.minecraft.util.text.TextComponentString;
+import net.minecraft.world.World;
+
 import appeng.api.AEApi;
 import appeng.api.config.Actionable;
-import appeng.api.config.FuzzyMode;
 import appeng.api.networking.crafting.ICraftingGrid;
 import appeng.api.networking.crafting.ICraftingPatternDetails;
 import appeng.api.networking.security.IActionSource;
 import appeng.api.storage.channels.IItemStorageChannel;
 import appeng.api.storage.data.IAEItemStack;
 import appeng.api.storage.data.IItemList;
-import appeng.core.sync.network.NetworkHandler;
-import appeng.core.sync.packets.PacketInformPlayer;
 import appeng.me.cluster.implementations.CraftingCPUCluster;
-import appeng.util.Platform;
-import net.minecraft.entity.player.EntityPlayerMP;
-import net.minecraft.world.World;
-import net.minecraftforge.fml.common.Optional;
-
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashSet;
-import java.util.List;
 
 
-@Optional.Interface( iface = "gregtech.api.items.IToolItem", modid = "gregtech" )
 public class CraftingTreeNode
 {
 
@@ -58,20 +52,22 @@ public class CraftingTreeNode
 	private final IAEItemStack what;
 	// what are the crafting patterns for this?
 	private final ArrayList<CraftingTreeProcess> nodes = new ArrayList<>();
-	private final boolean canEmit;
-	private CraftingTreeNode loopHead;
 	private int bytes = 0;
+	private boolean canEmit = false;
 	private long missing = 0;
 	private long howManyEmitted = 0;
 	private boolean exhausted = false;
 
-	public CraftingTreeNode( final ICraftingGrid cc, final CraftingJob job, final IAEItemStack wat, long amount, final CraftingTreeProcess par, final int slot )
+	private boolean sim;
+
+	public CraftingTreeNode( final ICraftingGrid cc, final CraftingJob job, final IAEItemStack wat, final CraftingTreeProcess par, final int slot, final int depth )
 	{
 		this.what = wat;
 		this.parent = par;
 		this.slot = slot;
 		this.world = job.getWorld();
 		this.job = job;
+		this.sim = false;
 
 		this.canEmit = cc.canEmitFor( this.what );
 
@@ -83,93 +79,28 @@ public class CraftingTreeNode
 		for( final ICraftingPatternDetails details : cc.getCraftingFor( this.what, this.parent == null ? null : this.parent.details, slot, this.world ) )// in
 		// order.
 		{
-			int times = 1;
-			for( IAEItemStack o : details.getCondensedOutputs() )
+			if( this.parent == null || job.getExpectedOutput() < job.getOutput().getStackSize() )
 			{
-				if( what.equals( o ) )
-				{
-					times = (int) ( amount / o.getStackSize() + ( amount % o.getStackSize() != 0 ? 1 : 0 ) );
-				}
+				this.nodes.add( new CraftingTreeProcess( cc, job, details, this, depth + 1 ) );
 			}
-
-			if( this.parent == null )
-			{
-				this.nodes.add( new CraftingTreeProcess( cc, job, details, times, this ) );
-				continue;
-			}
-			if( details == parent.details )
-			{
-				continue;
-			}
-			CraftingTreeNode recursive = recursiveNode( this );
-			if( recursive == null )
-			{
-				this.nodes.add( new CraftingTreeProcess( cc, job, details, times, this ) );
-			}
-			else
-			{
-				reserveForNode();
-			}
-		}
-	}
-
-	void reserveForNode()
-	{
-		if( this.equals( loopHead ) )
-		{
-			return;
-		}
-		IAEItemStack available = job.checkAvailable( this.what );
-		if( available != null && available.getStackSize() >= this.what.getStackSize() )
-		{
-			this.job.reserve( this, this.what.copy() );
-		}
-		else
-		{
-			parent.reserveForNode();
 		}
 	}
 
 	IAEItemStack request( final MECraftingInventory inv, long l, final IActionSource src ) throws CraftBranchFailure, InterruptedException
 	{
 		this.job.handlePausing();
-		if( this.canEmit )
-		{
-			final IAEItemStack wat = this.what.copy();
-			wat.setStackSize( l );
-
-			this.howManyEmitted = wat.getStackSize();
-			this.bytes += wat.getStackSize();
-
-			return wat;
-		}
 
 		final IItemList<IAEItemStack> inventoryList = inv.getItemList();
-
-		IAEItemStack reserved = job.getReserved().get( this );
-
 		final List<IAEItemStack> thingsUsed = new ArrayList<>();
 
 		this.what.setStackSize( l );
-
 		if( this.getSlot() >= 0 && this.parent != null && this.parent.details.isCraftable() )
 		{
-			Collection<IAEItemStack> itemList = new HashSet<>();
+			Collection<IAEItemStack> itemList = new ArrayList<>();
 
-			if( this.what.getItem().isDamageable() || Platform.isGTDamageableItem( this.what.getItem() ) )
+			if( this.parent.getContainerItems() != null && !this.parent.getContainerItems().findFuzzy( this.what, FuzzyMode.IGNORE_ALL ).isEmpty() )
 			{
-				itemList.addAll( inventoryList.findFuzzy( this.what, FuzzyMode.IGNORE_ALL ) );
-
-				if( this.parent.details.canSubstitute() )
-				{
-					for( IAEItemStack is : inventoryList )
-					{
-						if( is.fuzzyComparison( this.what, FuzzyMode.IGNORE_ALL ) )
-						{
-							itemList.add( is );
-						}
-					}
-				}
+				itemList = inventoryList.findFuzzy( this.what, FuzzyMode.IGNORE_ALL );
 			}
 			else
 			{
@@ -178,41 +109,16 @@ public class CraftingTreeNode
 				{
 					itemList.add( item );
 				}
-				if( this.parent.details.canSubstitute() )
-				{
-					for( IAEItemStack s : parent.details.getSubstituteInputs( this.slot ) )
-					{
-						if( s != null )
-						{
-							for( IAEItemStack ss : inventoryList.findFuzzy( s, FuzzyMode.IGNORE_ALL ) )
-							{
-								if( ss != null )
-								{
-									itemList.add( ss );
-								}
-							}
-						}
-					}
-				}
 			}
 
 			for( IAEItemStack fuzz : itemList )
 			{
-				if( this.parent.details.isValidItemForSlot( this.getSlot(), fuzz.getDefinition(), this.world ) )
+				if( this.parent.details.isValidItemForSlot( this.getSlot(), fuzz.copy().getCachedItemStack( 1 ), this.world ) )
 				{
 					fuzz = fuzz.copy();
 					fuzz.setStackSize( l );
 
-					final IAEItemStack available;
-
-					if( reserved != null )
-					{
-						available = reserved;
-					}
-					else
-					{
-						available = inv.extractItems( fuzz, Actionable.MODULATE, src );
-					}
+					final IAEItemStack available = inv.extractItems( fuzz, Actionable.MODULATE, src );
 
 					if( available != null )
 					{
@@ -225,11 +131,6 @@ public class CraftingTreeNode
 								thingsUsed.add( is.copy() );
 								this.used.add( is );
 							}
-							else if( reserved != null )
-							{
-								thingsUsed.add( reserved.copy() );
-								this.used.add( reserved );
-							}
 						}
 
 						this.bytes += available.getStackSize();
@@ -245,20 +146,7 @@ public class CraftingTreeNode
 		}
 		else
 		{
-			final IAEItemStack available;
-
-			if( parent == null && this.what.equals( job.getOutput() ) )
-			{
-				available = null;
-			}
-			else if( reserved != null )
-			{
-				available = reserved;
-			}
-			else
-			{
-				available = inv.extractItems( this.what, Actionable.MODULATE, src );
-			}
+			final IAEItemStack available = inv.extractItems( this.what, Actionable.MODULATE, src );
 
 			if( available != null )
 			{
@@ -271,11 +159,6 @@ public class CraftingTreeNode
 						thingsUsed.add( is.copy() );
 						this.used.add( is );
 					}
-					else if( reserved != null )
-					{
-						thingsUsed.add( reserved.copy() );
-						this.used.add( reserved );
-					}
 				}
 
 				this.bytes += available.getStackSize();
@@ -288,6 +171,17 @@ public class CraftingTreeNode
 			}
 		}
 
+		if( this.canEmit )
+		{
+			final IAEItemStack wat = this.what.copy();
+			wat.setStackSize( l );
+
+			this.howManyEmitted = wat.getStackSize();
+			this.bytes += wat.getStackSize();
+
+			return wat;
+		}
+
 		this.exhausted = true;
 
 		if( this.nodes.size() == 1 )
@@ -301,6 +195,7 @@ public class CraftingTreeNode
 				pro.request( inv, pro.getTimes( l, madeWhat.getStackSize() ), src );
 
 				madeWhat.setStackSize( l );
+
 				final IAEItemStack available = inv.extractItems( madeWhat, Actionable.MODULATE, src );
 
 				if( available != null )
@@ -328,9 +223,7 @@ public class CraftingTreeNode
 					while ( pro.possible && l > 0 )
 					{
 						final MECraftingInventory subInv = new MECraftingInventory( inv, true, true, true );
-						final IAEItemStack madeWhat = pro.getAmountCrafted( this.what );
-
-						pro.request( subInv, pro.getTimes( l, madeWhat.getStackSize() ), src );
+						pro.request( subInv, 1, src );
 
 						this.what.setStackSize( l );
 						final IAEItemStack available = subInv.extractItems( this.what, Actionable.MODULATE, src );
@@ -363,10 +256,10 @@ public class CraftingTreeNode
 			}
 		}
 
-		if( job.isSimulation() )
+		if( this.sim )
 		{
-			this.bytes += l;
 			this.missing += l;
+			this.bytes += l;
 			final IAEItemStack rv = this.what.copy();
 			rv.setStackSize( l );
 			return rv;
@@ -382,26 +275,6 @@ public class CraftingTreeNode
 		throw new CraftBranchFailure( this.what, l );
 	}
 
-	CraftingTreeNode recursiveNode( CraftingTreeNode node )
-	{
-		if( this.parent == null )
-		{
-			return null;
-		}
-		if( node != this )
-		{
-			if( node.what.equals( this.what ) )
-			{
-				if( node.what.getStackSize() == this.what.getStackSize() )
-				{
-					loopHead = this;
-					return node;
-				}
-			}
-		}
-		return this.parent.notRecursive( node );
-	}
-
 	void dive( final CraftingJob job )
 	{
 		if( this.missing > 0 )
@@ -427,6 +300,7 @@ public class CraftingTreeNode
 
 	void setSimulate()
 	{
+		this.sim = true;
 		this.missing = 0;
 		this.bytes = 0;
 		this.used.resetStatus();
@@ -448,21 +322,7 @@ public class CraftingTreeNode
 			{
 				if( src.player().isPresent() )
 				{
-					try
-					{
-						if( ex == null )
-						{
-							NetworkHandler.instance().sendTo( new PacketInformPlayer( i ), (EntityPlayerMP) src.player().get() );
-						}
-						else
-						{
-							NetworkHandler.instance().sendTo( new PacketInformPlayer( ex, i ), (EntityPlayerMP) src.player().get() );
-						}
-					}
-					catch( IOException e )
-					{
-						e.printStackTrace();
-					}
+					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

@@ -19,46 +19,82 @@
 package appeng.crafting;
 
 
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map.Entry;
+
 import appeng.api.config.Actionable;
 import appeng.api.config.FuzzyMode;
-import appeng.api.networking.crafting.ICraftingGrid;
-import appeng.api.networking.crafting.ICraftingPatternDetails;
-import appeng.api.networking.security.IActionSource;
-import appeng.api.storage.data.IAEItemStack;
-import appeng.api.storage.data.IItemList;
-import appeng.me.cluster.implementations.CraftingCPUCluster;
-import appeng.util.Platform;
 import appeng.util.item.AEItemStack;
 import com.google.common.collect.ImmutableCollection;
 import it.unimi.dsi.fastutil.objects.Object2LongArrayMap;
 import net.minecraft.item.ItemStack;
 import net.minecraft.world.World;
 
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Map.Entry;
+import appeng.api.AEApi;
+import appeng.api.networking.crafting.ICraftingGrid;
+import appeng.api.networking.crafting.ICraftingPatternDetails;
+import appeng.api.networking.security.IActionSource;
+import appeng.api.storage.channels.IItemStorageChannel;
+import appeng.api.storage.data.IAEItemStack;
+import appeng.api.storage.data.IItemList;
+import appeng.me.cluster.implementations.CraftingCPUCluster;
+import appeng.util.Platform;
 
 
 public class CraftingTreeProcess
 {
-	final ICraftingPatternDetails details;
 	private final CraftingTreeNode parent;
+	final ICraftingPatternDetails details;
 	private final CraftingJob job;
 	private final Object2LongArrayMap<CraftingTreeNode> nodes = new Object2LongArrayMap<>();
+	private final int depth;
 	boolean possible = true;
 	private long crafts = 0;
+	private IItemList<IAEItemStack> containerItems;
+	private boolean limitQty;
+	private final List<IAEItemStack> craftingResultList = new ArrayList<>();
 	private long bytes = 0;
-	private boolean hasContainerItem = false;
 
-	public CraftingTreeProcess( final ICraftingGrid cc, final CraftingJob job, final ICraftingPatternDetails details, int times, final CraftingTreeNode craftingTreeNode )
+	public CraftingTreeProcess( final ICraftingGrid cc, final CraftingJob job, final ICraftingPatternDetails details, final CraftingTreeNode craftingTreeNode, final int depth )
 	{
 		this.parent = craftingTreeNode;
 		this.details = details;
 		this.job = job;
-		World world = job.getWorld();
+		this.depth = depth;
+		final World world = job.getWorld();
 
 		final IAEItemStack[] list = details.getInputs();
 
+		for( final IAEItemStack part : details.getCondensedInputs() )
+		{
+			if( part.getItem().hasContainerItem( part.getDefinition() ) )
+			{
+				if( containerItems == null )
+				{
+					containerItems = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
+				}
+				containerItems.add( part );
+				this.limitQty = true;
+				//break;
+			}
+		}
+
+		for( final IAEItemStack part : details.getCondensedOutputs() )
+		{
+			if( part.equals( job.getOutput() ) )
+			{
+				job.incExpectedOutput( part.getStackSize() );
+			}
+		}
+		for( final IAEItemStack part : details.getCondensedInputs() )
+		{
+			if( part.equals( job.getOutput() ) )
+			{
+				job.incExpectedOutput( -part.getStackSize() );
+			}
+		}
+
 		// this is minor different then below, this slot uses the pattern, but kinda fudges it.
 		for( IAEItemStack part : details.getCondensedInputs() )
 		{
@@ -72,65 +108,157 @@ public class CraftingTreeProcess
 				if( part.equals( comparePart ) )
 				{
 					boolean isPartContainer = false;
-					if( part.getItem().hasContainerItem( part.getDefinition() ) )
+					if( containerItems != null && !containerItems.findFuzzy( list[x], FuzzyMode.IGNORE_ALL ).isEmpty() )
 					{
 						part = list[x];
 						isPartContainer = true;
-						this.hasContainerItem = true;
 					}
+					long wantedSize = part.getStackSize();
 
-					long wantedSize = isPartContainer ? part.getStackSize() : part.getStackSize() * times;
-
-					if( details.canSubstitute() && cc.getCraftingFor( part, details, x, world ).isEmpty() )
+					if( !isPartContainer )
 					{
-						for( IAEItemStack subs : details.getSubstituteInputs( x ) )
-						{
-							if( subs.fuzzyComparison( part, FuzzyMode.IGNORE_ALL ) )
-							{
-								this.nodes.put( new CraftingTreeNode( cc, job, subs.copy(), wantedSize, this, x ), part.getStackSize() / times );
-								wantedSize = 0;
-								break;
-							}
-						}
-						//try to order the crafting of a substitute
-						ICraftingPatternDetails prioritizedPattern = null;
-						IAEItemStack prioritizedIAE = null;
-						for( IAEItemStack subs : details.getSubstituteInputs( x ) )
-						{
-							if( subs.equals( part ) )
-							{
-								continue;
-							}
-							ImmutableCollection<ICraftingPatternDetails> detailCollection = cc.getCraftingFor( subs, details, x, world );
+						IAEItemStack found = job.checkAvailable( part );
+						IAEItemStack used;
+						long requestAmount;
 
-							for( ICraftingPatternDetails sp : detailCollection )
+						long remaining = 0;
+						if( found != null )
+						{
+							used = job.getUsedWhileBuilding().findPrecise( part );
+							remaining = found.getStackSize();
+							if( used != null )
 							{
-								if( prioritizedPattern == null )
+								if( used.getStackSize() >= found.getStackSize() )
 								{
-									prioritizedPattern = sp;
-									prioritizedIAE = subs;
+									remaining = 0;
 								}
 								else
 								{
-									if( sp.getPriority() > prioritizedPattern.getPriority() )
-									{
-										prioritizedPattern = sp;
-									}
+									remaining -= used.getStackSize();
 								}
 							}
-							if( prioritizedIAE != null )
+						}
+
+						if( remaining > 0 )
+						{
+							if( remaining >= wantedSize )
 							{
-								this.nodes.put( new CraftingTreeNode( cc, job, prioritizedIAE.copy(), wantedSize, this, x ), part.getStackSize() / times );
+								requestAmount = wantedSize;
 								wantedSize = 0;
+								//we have the items
+							}
+							else
+							{
+								requestAmount = remaining;
+								wantedSize -= remaining;
+							}
+							part = part.copy().setStackSize( requestAmount );
+							job.getUsedWhileBuilding().addStorage( part );
+							this.nodes.put( new CraftingTreeNode( cc, job, part, this, x, depth + 1 ), requestAmount );
+							if( wantedSize == 0 )
+							{
 								break;
 							}
 						}
+						if( wantedSize > 0 )
+						{
+							if( details.canSubstitute() && cc.getCraftingFor( part, details, x, world ).isEmpty() )
+							{
+								//try to extract substitutes
+								for( IAEItemStack subs : details.getSubstituteInputs( x ) )
+								{
+									if( subs.equals( part ) )
+									{
+										continue;
+									}
+									found = job.checkAvailable( subs );
+									remaining = 0;
+
+									if( found != null )
+									{
+										used = job.getUsedWhileBuilding().findPrecise( subs );
+										remaining = found.getStackSize();
+										if( used != null )
+										{
+											if( used.getStackSize() >= found.getStackSize() )
+											{
+												remaining = 0;
+											}
+											else
+											{
+												remaining -= used.getStackSize();
+											}
+										}
+									}
+
+									if( remaining > 0 )
+									{
+										if( remaining >= wantedSize )
+										{
+											requestAmount = wantedSize;
+											wantedSize = 0;
+											//we have the items
+										}
+										else
+										{
+											requestAmount = remaining;
+											wantedSize -= remaining;
+										}
+										subs = subs.copy().setStackSize( requestAmount );
+										job.getUsedWhileBuilding().addStorage( subs );
+										this.nodes.put( new CraftingTreeNode( cc, job, subs, this, x, depth + 1 ), requestAmount );
+									}
+									if( wantedSize == 0 )
+									{
+										break;
+									}
+								}
+								if( wantedSize > 0 )
+								{
+									//try to order the crafting of a substitute
+									ICraftingPatternDetails prioritizedPattern = null;
+									IAEItemStack prioritizedIAE = null;
+									for( IAEItemStack subs : details.getSubstituteInputs( x ) )
+									{
+										if( subs.equals( part ) )
+										{
+											continue;
+										}
+										ImmutableCollection<ICraftingPatternDetails> detailCollection = cc.getCraftingFor( subs, details, x, world );
+
+										for( ICraftingPatternDetails sp : detailCollection )
+										{
+											if( prioritizedPattern == null )
+											{
+												prioritizedPattern = sp;
+												prioritizedIAE = subs;
+											}
+											else
+											{
+												if( sp.getPriority() > prioritizedPattern.getPriority() )
+												{
+													prioritizedPattern = sp;
+													prioritizedIAE = subs;
+												}
+											}
+											this.nodes.put( new CraftingTreeNode( cc, job, prioritizedIAE.copy(), this, x, depth + 1 ), wantedSize );
+											wantedSize = 0;
+											break;
+										}
+									}
+									if( wantedSize == 0 )
+									{
+										break;
+									}
+								}
+							}
+						}
 					}
 					if( wantedSize > 0 )
 					{
-						part = part.copy().setStackSize( wantedSize );
+						part = part.copy();
 						// use the first slot...
-						this.nodes.put( new CraftingTreeNode( cc, job, part.copy(), wantedSize, this, x ), part.getStackSize() / times );
+						this.nodes.put( new CraftingTreeNode( cc, job, part, this, x, depth + 1 ), wantedSize );
 						wantedSize = 0;
 					}
 					if( !isPartContainer && wantedSize == 0 )
@@ -140,20 +268,28 @@ public class CraftingTreeProcess
 				}
 			}
 		}
+
+		for( final IAEItemStack part : details.getCondensedOutputs() )
+		{
+			for( final IAEItemStack o : details.getCondensedInputs() )
+			{
+				if( part.equals( o ) )
+				{
+					this.limitQty = true;
+					break;
+				}
+			}
+		}
 	}
 
-	CraftingTreeNode notRecursive( CraftingTreeNode node )
+	IItemList<IAEItemStack> getContainerItems()
 	{
-		if( parent == null )
-		{
-			return null;
-		}
-		return this.parent.recursiveNode( node );
+		return this.containerItems;
 	}
 
 	long getTimes( final long remaining, final long stackSize )
 	{
-		if( hasContainerItem )
+		if( this.limitQty )
 		{
 			return 1;
 		}
@@ -163,43 +299,25 @@ public class CraftingTreeProcess
 	void request( final MECraftingInventory inv, final long amountOfTimes, final IActionSource src ) throws CraftBranchFailure, InterruptedException
 	{
 		this.job.handlePausing();
-		List<IAEItemStack> containerItems = null;
 
 		// request and remove inputs...
 		for( final Entry<CraftingTreeNode, Long> entry : this.nodes.object2LongEntrySet() )
 		{
-			final IAEItemStack stack = entry.getKey().request( inv, details.isCraftable() && hasContainerItem ? 1 : entry.getValue() * amountOfTimes, src );
+			final IAEItemStack craftableStack = entry.getKey().getStack( entry.getValue() );
+			final IAEItemStack stack = entry.getKey().request( inv, craftableStack.getStackSize() * amountOfTimes, src );
 
-			if( stack.equals( job.getOutput() ) )
-			{
-				job.getNeededForLoop().add( stack.copy() );
-			}
-
-			if( details.isCraftable() && stack.getItem().hasContainerItem( stack.getDefinition() ) )
+			if( containerItems != null && !this.containerItems.findFuzzy( stack, FuzzyMode.IGNORE_ALL ).isEmpty() )
 			{
 				final ItemStack is = Platform.getContainerItem( stack.createItemStack() );
 				final IAEItemStack o = AEItemStack.fromItemStack( is );
 				if( o != null )
 				{
-					if( containerItems == null )
-					{
-						containerItems = new ArrayList<>();
-					}
 					this.bytes++;
-					o.setCachedItemStack( is );
-					containerItems.add( o );
-				}
-				if( containerItems != null )
-				{
-					for( IAEItemStack i : containerItems )
-					{
-						inv.injectItems( i, Actionable.MODULATE, src );
-					}
+					craftingResultList.add( o );
 				}
 			}
 		}
 
-
 		// assume its possible.
 
 		// add crafting results..
@@ -207,14 +325,25 @@ public class CraftingTreeProcess
 		{
 			final IAEItemStack o = out.copy();
 			o.setStackSize( o.getStackSize() * amountOfTimes );
-			inv.injectItems( o, Actionable.MODULATE, src );
+			craftingResultList.add( o );
 		}
+
+		for( IAEItemStack i : craftingResultList )
+		{
+			inv.injectItems( i, Actionable.MODULATE, src );
+		}
+
 		this.crafts += amountOfTimes;
 	}
 
+	public List<IAEItemStack> getCraftingResultList()
+	{
+		return craftingResultList;
+	}
+
 	void dive( final CraftingJob job )
 	{
-		job.addTask( this.getAmountCrafted( this.parent.getStack( 1 ) ), this.crafts );
+		job.addTask( this.getAmountCrafted( this.parent.getStack( 1 ) ), this.crafts, this.details, this.depth );
 		for( final Entry<CraftingTreeNode, Long> entry : this.nodes.object2LongEntrySet() )
 		{
 			entry.getKey().dive( job );
@@ -284,9 +413,4 @@ public class CraftingTreeProcess
 			entry.getKey().getPlan( plan );
 		}
 	}
-
-	public void reserveForNode()
-	{
-		parent.reserveForNode();
-	}
 }

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

@@ -28,14 +28,9 @@ import appeng.api.storage.IStorageChannel;
 import appeng.api.storage.channels.IItemStorageChannel;
 import appeng.api.storage.data.IAEItemStack;
 import appeng.api.storage.data.IItemList;
-import appeng.core.sync.network.NetworkHandler;
-import appeng.core.sync.packets.PacketInformPlayer;
 import appeng.util.inv.ItemListIgnoreCrafting;
-import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraft.util.text.TextComponentString;
 
-import java.io.IOException;
-
 
 public class MECraftingInventory implements IMEInventory<IAEItemStack>
 {
@@ -314,20 +309,13 @@ public class MECraftingInventory implements IMEInventory<IAEItemStack>
 				{
 					if( src.player().isPresent() )
 					{
-						try
+						if( result == null )
 						{
-							if( result == null )
-							{
-								NetworkHandler.instance().sendTo( new PacketInformPlayer( extra ), (EntityPlayerMP) src.player().get() );
-							}
-							else
-							{
-								NetworkHandler.instance().sendTo( new PacketInformPlayer( extra, result ), (EntityPlayerMP) src.player().get() );
-							}
+							src.player().get().sendStatusMessage( new TextComponentString( "System reported " + extra.getStackSize() + " " + extra.getDefinition().getDisplayName() + " available but could not extract anything" ), false );
 						}
-						catch( IOException e )
+						else
 						{
-							e.printStackTrace();
+							src.player().get().sendStatusMessage( new TextComponentString( "System reported " + extra.getStackSize() + " " + extra.getDefinition().getDisplayName() + " available but could only extract " + result.getStackSize() ), false );
 						}
 					}
 					failed = true;
@@ -361,6 +349,11 @@ public class MECraftingInventory implements IMEInventory<IAEItemStack>
 		return true;
 	}
 
+	private void addMissing( final IAEItemStack extra )
+	{
+		this.missingCache.add( extra );
+	}
+
 	void ignore( final IAEItemStack what )
 	{
 		final IAEItemStack list = this.localCache.findPrecise( what );
@@ -369,18 +362,4 @@ public class MECraftingInventory implements IMEInventory<IAEItemStack>
 			list.setStackSize( 0 );
 		}
 	}
-
-	void reserve( final IAEItemStack what )
-	{
-		final IAEItemStack list = this.localCache.findPrecise( what );
-		if( list != null )
-		{
-			list.decStackSize( what.getStackSize() );
-		}
-	}
-
-	private void addMissing( final IAEItemStack extra )
-	{
-		this.missingCache.add( extra );
-	}
 }

src/main/java/appeng/fluids/container/ContainerFluidTerminal.java

@@ -414,7 +414,7 @@ public class ContainerFluidTerminal extends AEBaseContainer implements IConfigMa
 					}
 				}
 
-				if( notInserted == null || notInserted.getStackSize() == 0 )
+				if( notInserted == null )
 				{
 					if( !player.inventory.addItemStackToInventory( fh.getContainer() ) )
 					{

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

@@ -19,58 +19,15 @@
 package appeng.helpers;
 
 
-import appeng.api.AEApi;
-import appeng.api.config.Actionable;
-import appeng.api.config.Settings;
-import appeng.api.config.Upgrades;
-import appeng.api.config.YesNo;
-import appeng.api.implementations.ICraftingPatternItem;
-import appeng.api.implementations.IUpgradeableHost;
-import appeng.api.implementations.tiles.ICraftingMachine;
-import appeng.api.networking.GridFlags;
-import appeng.api.networking.IGrid;
-import appeng.api.networking.IGridNode;
-import appeng.api.networking.crafting.ICraftingLink;
-import appeng.api.networking.crafting.ICraftingPatternDetails;
-import appeng.api.networking.crafting.ICraftingProvider;
-import appeng.api.networking.crafting.ICraftingProviderHelper;
-import appeng.api.networking.energy.IEnergySource;
-import appeng.api.networking.events.MENetworkCraftingPatternChange;
-import appeng.api.networking.security.IActionHost;
-import appeng.api.networking.security.IActionSource;
-import appeng.api.networking.ticking.IGridTickable;
-import appeng.api.networking.ticking.TickRateModulation;
-import appeng.api.networking.ticking.TickingRequest;
-import appeng.api.parts.IPart;
-import appeng.api.storage.*;
-import appeng.api.storage.channels.IFluidStorageChannel;
-import appeng.api.storage.channels.IItemStorageChannel;
-import appeng.api.storage.data.IAEFluidStack;
-import appeng.api.storage.data.IAEItemStack;
-import appeng.api.storage.data.IAEStack;
-import appeng.api.util.AECableType;
-import appeng.api.util.AEPartLocation;
-import appeng.api.util.DimensionalCoord;
-import appeng.api.util.IConfigManager;
-import appeng.capabilities.Capabilities;
-import appeng.core.settings.TickRates;
-import appeng.me.GridAccessException;
-import appeng.me.helpers.AENetworkProxy;
-import appeng.me.helpers.MachineSource;
-import appeng.me.storage.MEMonitorIInventory;
-import appeng.me.storage.MEMonitorPassThrough;
-import appeng.me.storage.NullInventory;
-import appeng.parts.automation.StackUpgradeInventory;
-import appeng.parts.automation.UpgradeInventory;
-import appeng.tile.inventory.AppEngInternalAEInventory;
-import appeng.tile.inventory.AppEngInternalInventory;
-import appeng.util.ConfigManager;
-import appeng.util.IConfigManagerHost;
-import appeng.util.InventoryAdaptor;
-import appeng.util.Platform;
+import java.util.*;
+
+import javax.annotation.Nullable;
+
+import appeng.util.inv.BlockingInventoryAdaptor;
+import appeng.util.*;
 import appeng.util.inv.*;
-import appeng.util.item.AEItemStack;
 import com.google.common.collect.ImmutableSet;
+
 import com.google.common.primitives.Ints;
 import de.ellpeck.actuallyadditions.api.tile.IPhantomTile;
 import gregtech.api.block.machines.BlockMachine;
@@ -95,8 +52,56 @@ import net.minecraftforge.items.CapabilityItemHandler;
 import net.minecraftforge.items.IItemHandler;
 import net.minecraftforge.items.wrapper.RangedWrapper;
 
-import javax.annotation.Nullable;
-import java.util.*;
+import appeng.api.AEApi;
+import appeng.api.config.Actionable;
+import appeng.api.config.Settings;
+import appeng.api.config.Upgrades;
+import appeng.api.config.YesNo;
+import appeng.api.implementations.ICraftingPatternItem;
+import appeng.api.implementations.IUpgradeableHost;
+import appeng.api.implementations.tiles.ICraftingMachine;
+import appeng.api.networking.GridFlags;
+import appeng.api.networking.IGrid;
+import appeng.api.networking.IGridNode;
+import appeng.api.networking.crafting.ICraftingLink;
+import appeng.api.networking.crafting.ICraftingPatternDetails;
+import appeng.api.networking.crafting.ICraftingProvider;
+import appeng.api.networking.crafting.ICraftingProviderHelper;
+import appeng.api.networking.energy.IEnergySource;
+import appeng.api.networking.events.MENetworkCraftingPatternChange;
+import appeng.api.networking.security.IActionHost;
+import appeng.api.networking.security.IActionSource;
+import appeng.api.networking.ticking.IGridTickable;
+import appeng.api.networking.ticking.TickRateModulation;
+import appeng.api.networking.ticking.TickingRequest;
+import appeng.api.parts.IPart;
+import appeng.api.storage.IMEInventory;
+import appeng.api.storage.IMEMonitor;
+import appeng.api.storage.IStorageChannel;
+import appeng.api.storage.IStorageMonitorable;
+import appeng.api.storage.IStorageMonitorableAccessor;
+import appeng.api.storage.channels.IFluidStorageChannel;
+import appeng.api.storage.channels.IItemStorageChannel;
+import appeng.api.storage.data.IAEFluidStack;
+import appeng.api.storage.data.IAEItemStack;
+import appeng.api.storage.data.IAEStack;
+import appeng.api.util.AECableType;
+import appeng.api.util.AEPartLocation;
+import appeng.api.util.DimensionalCoord;
+import appeng.api.util.IConfigManager;
+import appeng.capabilities.Capabilities;
+import appeng.core.settings.TickRates;
+import appeng.me.GridAccessException;
+import appeng.me.helpers.AENetworkProxy;
+import appeng.me.helpers.MachineSource;
+import appeng.me.storage.MEMonitorIInventory;
+import appeng.me.storage.MEMonitorPassThrough;
+import appeng.me.storage.NullInventory;
+import appeng.parts.automation.StackUpgradeInventory;
+import appeng.parts.automation.UpgradeInventory;
+import appeng.tile.inventory.AppEngInternalAEInventory;
+import appeng.tile.inventory.AppEngInternalInventory;
+import appeng.util.item.AEItemStack;
 
 import static gregtech.api.block.machines.BlockMachine.getMetaTileEntity;
 
@@ -108,7 +113,9 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 	public static final int NUMBER_OF_PATTERN_SLOTS = 36;
 
 	private static final Collection<Block> BAD_BLOCKS = new HashSet<>( 100 );
-	private final IAEItemStack[] requireWork = {null, null, null, null, null, null, null, null, null};
+	private final IAEItemStack[] requireWork = {
+			null, null, null, null, null, null, null, null, null
+	};
 	private final MultiCraftingTracker craftingTracker;
 	private final AENetworkProxy gridProxy;
 	private final IInterfaceHost iHost;
@@ -121,13 +128,13 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 	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 final UpgradeInventory upgrades;
-	private final Accessor accessor = new Accessor();
 	private boolean hasConfig = false;
 	private int priority;
 	private List<ICraftingPatternDetails> craftingList = null;
 	private List<ItemStack> waitingToSend = null;
 	private IMEInventory<IAEItemStack> destination;
 	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 boolean resetConfigCache = true;
@@ -153,11 +160,6 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 		this.interfaceRequestSource = new InterfaceRequestSource( this.iHost );
 	}
 
-	private static boolean invIsCustomBlocking( BlockingInventoryAdaptor inv )
-	{
-		return ( inv.containsBlockingItems() );
-	}
-
 	@Override
 	public void saveChanges()
 	{
@@ -279,7 +281,6 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 		final NBTTagCompound waitingListSided = data.getCompoundTag( "sidedWaitList" );
 
 		for( EnumFacing s : EnumFacing.values() )
-		{
 			if( waitingListSided.hasKey( s.name() ) )
 			{
 				NBTTagList w = waitingListSided.getTagList( s.name(), 10 );
@@ -293,7 +294,6 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 					}
 				}
 			}
-		}
 
 		this.craftingTracker.readFromNBT( data );
 
@@ -464,7 +464,7 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 		}
 		try
 		{
-			this.gridProxy.getGrid().postEvent( new MENetworkCraftingPatternChange( this, this.gridProxy.getNode() ) );
+		    this.gridProxy.getGrid().postEvent( new MENetworkCraftingPatternChange( this, this.gridProxy.getNode() ) );
 		}
 		catch( GridAccessException e )
 		{
@@ -909,6 +909,10 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 					changed = true;
 					throw new GridAccessException();
 				}
+				else
+				{
+					itemStack.setCachedItemStack( inputStack );
+				}
 
 				IAEItemStack storedStack = this.gridProxy.getStorage().getInventory( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) ).getStorageList().findPrecise( itemStack );
 				if( storedStack != null )
@@ -926,13 +930,8 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 					}
 					else if( storedStack.isCraftable() )
 					{
-						itemStack.setCachedItemStack( inputStack );
 						changed = this.handleCrafting( x, adaptor, itemStack ) || changed;
 					}
-					if( acquired == null )
-					{
-						itemStack.setCachedItemStack( inputStack );
-					}
 				}
 			}
 			// else wtf?
@@ -1105,6 +1104,11 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 		return ( inv.containsItems() );
 	}
 
+	private static boolean invIsCustomBlocking( BlockingInventoryAdaptor inv )
+	{
+		return ( inv.containsBlockingItems() );
+	}
+
 	@Override
 	public boolean pushPattern( final ICraftingPatternDetails patternDetails, final InventoryCrafting table )
 	{
@@ -1154,7 +1158,7 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 				}
 			}
 
-			InventoryAdaptor ad = InventoryAdaptor.getAdaptor( te, s.getOpposite() );
+			final InventoryAdaptor ad = InventoryAdaptor.getAdaptor( te, s.getOpposite() );
 			if( ad != null )
 			{
 				if( this.isBlocking() )
@@ -1166,7 +1170,7 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 						if( phantomTE.hasBoundPosition() )
 						{
 							TileEntity phantom = w.getTileEntity( phantomTE.getBoundPosition() );
-							if( NonBlockingItems.INSTANCE.getMap().containsKey( w.getBlockState( phantomTE.getBoundPosition() ).getBlock().getRegistryName().getResourceDomain() ) )
+							if( NonBlockingItems.INSTANCE.getMap().containsKey( phantom.getBlockType().getRegistryName().getResourceDomain() ) )
 							{
 								if( isCustomInvBlocking( phantom, s ) )
 								{
@@ -1176,7 +1180,7 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 							}
 						}
 					}
-					else if( NonBlockingItems.INSTANCE.getMap().containsKey( w.getBlockState( tile.getPos().offset( s ) ).getBlock().getRegistryName().getResourceDomain() ) )
+					else if( NonBlockingItems.INSTANCE.getMap().containsKey( te.getBlockType().getRegistryName().getResourceDomain() ) )
 					{
 						if( isCustomInvBlocking( te, s ) )
 						{
@@ -1184,6 +1188,7 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 							continue;
 						}
 					}
+
 					else if( invIsBlocked( ad ) )
 					{
 						visitedFaces.remove( s );
@@ -1243,7 +1248,7 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 						if( phantomTE.hasBoundPosition() )
 						{
 							TileEntity phantom = w.getTileEntity( phantomTE.getBoundPosition() );
-							if( NonBlockingItems.INSTANCE.getMap().containsKey( w.getBlockState( phantomTE.getBoundPosition() ).getBlock().getRegistryName().getResourceDomain() ) )
+							if( NonBlockingItems.INSTANCE.getMap().containsKey( phantom.getBlockType().getRegistryName().getResourceDomain() ) )
 							{
 								if( !isCustomInvBlocking( phantom, s ) )
 								{
@@ -1253,7 +1258,8 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 							}
 						}
 					}
-					else if( NonBlockingItems.INSTANCE.getMap().containsKey( w.getBlockState( tile.getPos().offset( s ) ).getBlock().getRegistryName().getResourceDomain() ) )
+
+					else if( NonBlockingItems.INSTANCE.getMap().containsKey( te.getBlockType().getRegistryName().getResourceDomain() ) )
 					{
 						if( !isCustomInvBlocking( te, s ) )
 						{
@@ -1261,13 +1267,11 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 							break;
 						}
 					}
-					else
+
+					else if( !invIsBlocked( ad ) )
 					{
-						if( !invIsBlocked( ad ) )
-						{
-							allAreBusy = false;
-							break;
-						}
+						allAreBusy = false;
+						break;
 					}
 				}
 			}
@@ -1593,7 +1597,6 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 
 	}
 
-
 	private class InterfaceRequestContext implements Comparable<Integer>
 	{
 
@@ -1604,7 +1607,6 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 		}
 	}
 
-
 	private class InterfaceInventory extends MEMonitorIInventory
 	{
 
@@ -1642,7 +1644,6 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 		}
 	}
 
-
 	private class Accessor implements IStorageMonitorableAccessor
 	{
 

src/main/java/appeng/helpers/NonBlockingItems.java

@@ -2,7 +2,6 @@ package appeng.helpers;
 
 import appeng.core.AEConfig;
 import appeng.core.AELog;
-import appeng.util.Platform;
 import gregtech.api.items.metaitem.MetaItem;
 import it.unimi.dsi.fastutil.ints.IntOpenHashSet;
 import it.unimi.dsi.fastutil.ints.IntSet;
@@ -51,19 +50,16 @@ public class NonBlockingItems
 							continue;
 						}
 
-						if( ModItemMeta[0].equals( "gregtech" ) && Platform.isModLoaded( "gregtech" ) )
+						if( ModItemMeta[0].equals( "gregtech" ) )
 						{
-							boolean found = false;
 							for( MetaItem<?> metaItem : MetaItem.getMetaItems() )
 							{
 								MetaItem<?>.MetaValueItem metaItem2 = metaItem.getItem( ModItemMeta[1] );
 								if( metaItem.getItem( ModItemMeta[1] ) != null )
 								{
-									found = true;
 									ItemStack itemStack = metaItem2.getStackForm();
 									NON_BLOCKING_MAP.get( modid ).putIfAbsent( itemStack.getItem(), new IntOpenHashSet() );
-									NON_BLOCKING_MAP.get( modid ).computeIfPresent( itemStack.getItem(), ( item, intSet ) ->
-									{
+									NON_BLOCKING_MAP.get( modid ).computeIfPresent( itemStack.getItem(), ( item, intSet ) -> {
 										intSet.add( itemStack.getItemDamage() );
 										return intSet;
 									} );
@@ -74,30 +70,28 @@ public class NonBlockingItems
 									if( !itemStack.isEmpty() )
 									{
 										NON_BLOCKING_MAP.get( modid ).putIfAbsent( itemStack.getItem(), new IntOpenHashSet() );
-										NON_BLOCKING_MAP.get( modid ).computeIfPresent( itemStack.getItem(), ( item, intSet ) ->
-										{
+										NON_BLOCKING_MAP.get( modid ).computeIfPresent( itemStack.getItem(), ( item, intSet ) -> {
 											intSet.add( itemStack.getItemDamage() );
 											return intSet;
 										} );
 									}
+									else
+									{
+										AELog.error( "Item not found on nonBlocking config: " + s );
+									}
 								}
-							}
-							if( !found )
-							{
-								AELog.error( "Item not found on nonBlocking config: " + s );
+								break;
 							}
 						}
 						else if( ModItemMeta[0].equals( "ore" ) )
 						{
-							OreDictionary.getOres( ModItemMeta[1] ).forEach( itemStack ->
-							                                                 {
-								                                                 NON_BLOCKING_MAP.get( modid ).putIfAbsent( itemStack.getItem(), new IntOpenHashSet() );
-								                                                 NON_BLOCKING_MAP.get( modid ).computeIfPresent( itemStack.getItem(), ( item, intSet ) ->
-								                                                 {
-									                                                 intSet.add( itemStack.getItemDamage() );
-									                                                 return intSet;
-								                                                 } );
-							                                                 } );
+							OreDictionary.getOres( ModItemMeta[1] ).forEach( itemStack -> {
+								NON_BLOCKING_MAP.get( modid ).putIfAbsent( itemStack.getItem(), new IntOpenHashSet() );
+								NON_BLOCKING_MAP.get( modid ).computeIfPresent( itemStack.getItem(), ( item, intSet ) -> {
+									intSet.add( itemStack.getItemDamage() );
+									return intSet;
+								} );
+							} );
 						}
 						else
 						{
@@ -105,8 +99,7 @@ public class NonBlockingItems
 							if( !itemStack.isEmpty() )
 							{
 								NON_BLOCKING_MAP.get( modid ).putIfAbsent( itemStack.getItem(), new IntOpenHashSet() );
-								NON_BLOCKING_MAP.get( modid ).computeIfPresent( itemStack.getItem(), ( item, intSet ) ->
-								{
+								NON_BLOCKING_MAP.get( modid ).computeIfPresent( itemStack.getItem(), ( item, intSet ) -> {
 									intSet.add( itemStack.getItemDamage() );
 									return intSet;
 								} );
@@ -126,8 +119,4 @@ public class NonBlockingItems
 	{
 		return NON_BLOCKING_MAP;
 	}
-
-	public void init()
-	{
-	}
 }

src/main/java/appeng/helpers/PatternHelper.java

@@ -40,7 +40,6 @@ import appeng.container.ContainerNull;
 import appeng.util.Platform;
 import appeng.util.item.AEItemStack;
 import net.minecraftforge.common.crafting.IShapedRecipe;
-import net.minecraftforge.fml.common.Optional;
 
 
 public class PatternHelper implements ICraftingPatternDetails, Comparable<PatternHelper>
@@ -248,7 +247,7 @@ public class PatternHelper implements ICraftingPatternDetails, Comparable<Patter
 
 		final TestStatus result = this.getStatus( slotIndex, i );
 
-		switch ( result )
+		switch( result )
 		{
 			case ACCEPT:
 				return true;
@@ -267,11 +266,9 @@ public class PatternHelper implements ICraftingPatternDetails, Comparable<Patter
 		this.testFrame.setInventorySlotContents( slotIndex, i );
 
 		// If we cannot substitute, the items must match exactly
-		if( ( !( i.getItem().isDamageable() || Platform.isGTDamageableItem( i.getItem() ) ) && !canSubstitute ) && slotIndex < inputs.length )
-		{
-			if( !inputs[slotIndex].isSameType( i ) )
-			{
-				this.markItemAs( slotIndex, i, TestStatus.DECLINE );
+		if (!canSubstitute && slotIndex < inputs.length) {
+			if (!inputs[slotIndex].isSameType(i)) {
+				this.markItemAs(slotIndex, i, TestStatus.DECLINE);
 				return false;
 			}
 		}
@@ -329,26 +326,23 @@ public class PatternHelper implements ICraftingPatternDetails, Comparable<Patter
 	}
 
 	@Override
-	public List<IAEItemStack> getSubstituteInputs( int slot )
-	{
-		if( this.inputs[slot] == null )
-		{
+	public List<IAEItemStack> getSubstituteInputs(int slot) {
+		if (this.inputs[slot] == null) {
 			return Collections.emptyList();
 		}
 
-		return this.substituteInputs.computeIfAbsent( slot, value -> {
-			ItemStack[] matchingStacks = getRecipeIngredient( slot ).getMatchingStacks();
-			List<IAEItemStack> itemList = new ArrayList<>( matchingStacks.length + 1 );
-			for( ItemStack matchingStack : matchingStacks )
-			{
-				itemList.add( AEItemStack.fromItemStack( matchingStack ) );
+		return this.substituteInputs.computeIfAbsent(slot, value -> {
+			ItemStack[] matchingStacks = getRecipeIngredient(slot).getMatchingStacks();
+			List<IAEItemStack> itemList = new ArrayList<>(matchingStacks.length + 1);
+			for (ItemStack matchingStack : matchingStacks) {
+				itemList.add(AEItemStack.fromItemStack(matchingStack));
 			}
 
 			// Ensure that the specific item put in by the user is at the beginning,
 			// so that it takes precedence over substitutions
-			itemList.add( 0, this.inputs[slot] );
+			itemList.add(0, this.inputs[slot]);
 			return itemList;
-		} );
+		});
 	}
 
 	/**
@@ -358,40 +352,31 @@ public class PatternHelper implements ICraftingPatternDetails, Comparable<Patter
 	 * ingredient list will be condensed to the actual recipe's grid size. In addition, in our 3x3 grid, the user can
 	 * shift the actual recipe input to the right and down.
 	 */
-	private Ingredient getRecipeIngredient( int slot )
-	{
+	private Ingredient getRecipeIngredient(int slot) {
 
-		if( standardRecipe instanceof IShapedRecipe )
-		{
+		if (standardRecipe instanceof IShapedRecipe ) {
 			IShapedRecipe shapedRecipe = (IShapedRecipe) standardRecipe;
 
-			return getShapedRecipeIngredient( slot, shapedRecipe.getRecipeWidth() );
-		}
-		else
-		{
-			return getShapelessRecipeIngredient( slot );
+			return getShapedRecipeIngredient(slot, shapedRecipe.getRecipeWidth());
+		} else {
+			return getShapelessRecipeIngredient(slot);
 		}
 	}
 
-	private Ingredient getShapedRecipeIngredient( int slot, int recipeWidth )
-	{
+	private Ingredient getShapedRecipeIngredient(int slot, int recipeWidth) {
 		// Compute the offset of the user's input vs. crafting grid origin
 		// Which is >0 if they have empty rows above or to the left of their input
 		int topOffset = 0;
-		if( inputs[0] == null && inputs[1] == null && inputs[2] == null )
-		{
+		if (inputs[0] == null && inputs[1] == null && inputs[2] == null) {
 			topOffset++; // First row is fully empty
-			if( inputs[3] == null && inputs[4] == null && inputs[5] == null )
-			{
+			if (inputs[3] == null && inputs[4] == null && inputs[5] == null) {
 				topOffset++; // Second row is fully empty
 			}
 		}
 		int leftOffset = 0;
-		if( inputs[0] == null && inputs[3] == null && inputs[6] == null )
-		{
+		if (inputs[0] == null && inputs[3] == null && inputs[6] == null) {
 			leftOffset++; // First column is fully empty
-			if( inputs[1] == null && inputs[4] == null && inputs[7] == null )
-			{
+			if (inputs[1] == null && inputs[4] == null && inputs[7] == null) {
 				leftOffset++; // Second column is fully empty
 			}
 		}
@@ -405,37 +390,32 @@ public class PatternHelper implements ICraftingPatternDetails, Comparable<Patter
 
 		NonNullList<Ingredient> ingredients = standardRecipe.getIngredients();
 
-		if( ingredientIndex < 0 || ingredientIndex > ingredients.size() )
-		{
+		if (ingredientIndex < 0 || ingredientIndex > ingredients.size()) {
 			return Ingredient.EMPTY;
 		}
 
-		return ingredients.get( ingredientIndex );
+		return ingredients.get(ingredientIndex);
 	}
 
-	private Ingredient getShapelessRecipeIngredient( int slot )
-	{
+	private Ingredient getShapelessRecipeIngredient(int slot) {
 		// We map the list of *filled* sparse inputs to the shapeless (ergo unordered)
 		// ingredients. While these do not actually correspond to each other,
 		// since both lists have the same length, the mapping is at least stable.
 		int ingredientIndex = 0;
-		for( int i = 0; i < slot; i++ )
-		{
-			if( inputs[i] != null )
-			{
+		for (int i = 0; i < slot; i++) {
+			if (inputs[i] != null) {
 				ingredientIndex++;
 			}
 		}
 
 		NonNullList<Ingredient> ingredients = standardRecipe.getIngredients();
-		if( ingredientIndex < ingredients.size() )
-		{
-			return ingredients.get( ingredientIndex );
+		if (ingredientIndex < ingredients.size()) {
+			return ingredients.get(ingredientIndex);
 		}
 
 		return Ingredient.EMPTY;
 	}
-
+	
 	@Override
 	public ItemStack getOutput( final InventoryCrafting craftingInv, final World w )
 	{
@@ -537,9 +517,7 @@ public class PatternHelper implements ICraftingPatternDetails, Comparable<Patter
 
 	private enum TestStatus
 	{
-		ACCEPT,
-		DECLINE,
-		TEST
+		ACCEPT, DECLINE, TEST
 	}
 
 	private static final class TestLookup

src/main/java/appeng/me/cluster/implementations/CraftingCPUCluster.java

@@ -19,6 +19,22 @@
 package appeng.me.cluster.implementations;
 
 
+import java.util.*;
+import java.util.Map.Entry;
+import java.util.stream.Collectors;
+
+import appeng.api.config.Upgrades;
+import appeng.helpers.DualityInterface;
+import appeng.helpers.PatternHelper;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.ImmutableList;
+
+import net.minecraft.inventory.InventoryCrafting;
+import net.minecraft.item.ItemStack;
+import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.nbt.NBTTagList;
+import net.minecraft.world.World;
+
 import appeng.api.AEApi;
 import appeng.api.config.Actionable;
 import appeng.api.config.FuzzyMode;
@@ -27,7 +43,14 @@ import appeng.api.implementations.ICraftingPatternItem;
 import appeng.api.networking.IGrid;
 import appeng.api.networking.IGridHost;
 import appeng.api.networking.IGridNode;
-import appeng.api.networking.crafting.*;
+import appeng.api.networking.crafting.CraftingItemList;
+import appeng.api.networking.crafting.ICraftingCPU;
+import appeng.api.networking.crafting.ICraftingGrid;
+import appeng.api.networking.crafting.ICraftingJob;
+import appeng.api.networking.crafting.ICraftingLink;
+import appeng.api.networking.crafting.ICraftingMedium;
+import appeng.api.networking.crafting.ICraftingPatternDetails;
+import appeng.api.networking.crafting.ICraftingRequester;
 import appeng.api.networking.energy.IEnergyGrid;
 import appeng.api.networking.events.MENetworkCraftingCpuChange;
 import appeng.api.networking.security.IActionSource;
@@ -40,8 +63,11 @@ import appeng.api.storage.data.IItemList;
 import appeng.api.util.WorldCoord;
 import appeng.container.ContainerNull;
 import appeng.core.AELog;
-import appeng.crafting.*;
-import appeng.helpers.PatternHelper;
+import appeng.crafting.CraftBranchFailure;
+import appeng.crafting.CraftingJob;
+import appeng.crafting.CraftingLink;
+import appeng.crafting.CraftingWatcher;
+import appeng.crafting.MECraftingInventory;
 import appeng.me.cache.CraftingGridCache;
 import appeng.me.cluster.IAECluster;
 import appeng.me.helpers.MachineSource;
@@ -49,17 +75,6 @@ import appeng.tile.crafting.TileCraftingMonitorTile;
 import appeng.tile.crafting.TileCraftingTile;
 import appeng.util.Platform;
 import appeng.util.item.AEItemStack;
-import com.google.common.base.Preconditions;
-import com.google.common.collect.ImmutableList;
-import net.minecraft.inventory.InventoryCrafting;
-import net.minecraft.item.ItemStack;
-import net.minecraft.nbt.NBTTagCompound;
-import net.minecraft.nbt.NBTTagList;
-import net.minecraft.world.World;
-
-import java.util.*;
-import java.util.Map.Entry;
-import java.util.stream.Collectors;
 
 
 public final class CraftingCPUCluster implements IAECluster, ICraftingCPU
@@ -87,7 +102,6 @@ public final class CraftingCPUCluster implements IAECluster, ICraftingCPU
 	private IAEItemStack finalOutput;
 	private boolean waiting = false;
 	private IItemList<IAEItemStack> waitingFor = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
-	private IItemList<IAEItemStack> neededForLoop = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
 	private long availableStorage = 0;
 	private MachineSource machineSrc = null;
 	private int accelerator = 0;
@@ -210,10 +224,13 @@ public final class CraftingCPUCluster implements IAECluster, ICraftingCPU
 
 	public boolean canAccept( final IAEItemStack input )
 	{
-		if( input != null )
+		if( input instanceof IAEItemStack )
 		{
 			final IAEItemStack is = this.waitingFor.findPrecise( input );
-			return is != null && is.getStackSize() > 0;
+			if( is != null && is.getStackSize() > 0 )
+			{
+				return true;
+			}
 		}
 		return false;
 	}
@@ -287,28 +304,9 @@ public final class CraftingCPUCluster implements IAECluster, ICraftingCPU
 
 					if( this.finalOutput.equals( what ) )
 					{
-						IAEItemStack isLoop = neededForLoop.findPrecise( finalOutput );
 						IAEItemStack leftover = what;
 
-						if( isLoop != null && isLoop.getStackSize() > 0 )
-						{
-							if( isLoop.getStackSize() >= what.getStackSize() )
-							{
-								leftover = this.inventory.injectItems( what.copy(), type, src );
-								isLoop.decStackSize( what.getStackSize() );
-							}
-							else
-							{
-								leftover = this.inventory.injectItems( what.copy().setStackSize( what.getStackSize() - isLoop.getStackSize() ), type, src );
-								isLoop.decStackSize( what.getStackSize() - isLoop.getStackSize() );
-							}
-							if( leftover == null )
-							{
-								return null;
-							}
-						}
-
-						this.finalOutput.decStackSize( leftover.getStackSize() );
+						this.finalOutput.decStackSize( what.getStackSize() );
 
 						if( this.myLastLink != null )
 						{
@@ -338,28 +336,9 @@ public final class CraftingCPUCluster implements IAECluster, ICraftingCPU
 
 				if( this.finalOutput.equals( insert ) )
 				{
-					IAEItemStack isLoop = neededForLoop.findPrecise( finalOutput );
 					IAEItemStack leftover = input;
 
-					if( isLoop != null && isLoop.getStackSize() > 0 )
-					{
-						if( isLoop.getStackSize() >= insert.getStackSize() )
-						{
-							leftover = this.inventory.injectItems( insert.copy(), type, src );
-							isLoop.decStackSize( insert.getStackSize() );
-						}
-						else
-						{
-							leftover = this.inventory.injectItems( insert.copy().setStackSize( insert.getStackSize() - isLoop.getStackSize() ), type, src );
-							isLoop.decStackSize( insert.getStackSize() - isLoop.getStackSize() );
-						}
-						if( leftover == null )
-						{
-							return null;
-						}
-					}
-
-					this.finalOutput.decStackSize( leftover.getStackSize() );
+					this.finalOutput.decStackSize( insert.getStackSize() );
 
 					if( this.myLastLink != null )
 					{
@@ -987,12 +966,10 @@ public final class CraftingCPUCluster implements IAECluster, ICraftingCPU
 		try
 		{
 			this.waitingFor.resetStatus();
-			this.neededForLoop.resetStatus();
 			( (CraftingJob) job ).getTree().setJob( ci, this, src );
 			if( ci.commit( src ) )
 			{
 				this.finalOutput = job.getOutput();
-				this.neededForLoop = ( (CraftingJob) job ).getNeededForLoop();
 				this.waiting = false;
 				this.isComplete = false;
 				this.markDirty();

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

@@ -19,6 +19,7 @@
 package appeng.parts.misc;
 
 
+import javax.annotation.Nullable;
 import appeng.api.AEApi;
 import appeng.api.config.AccessRestriction;
 import appeng.api.config.Actionable;
@@ -146,7 +147,6 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 			}
 
 			ItemStack extracted;
-
 			int stackSizeCurrentSlot = stackInInventorySlot.getCount();
 			int remainingCurrentSlot = Math.min( remainingSize, stackSizeCurrentSlot );
 
@@ -155,17 +155,9 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 			do
 			{
 				extracted = this.itemHandler.extractItem( i, remainingCurrentSlot, simulate );
+
 				if( !extracted.isEmpty() )
 				{
-					// In order to guard against broken IItemHandler implementations, we'll try to guess if the returned
-					// stack (especially in simulate mode) is the same that was returned by getStackInSlot. This is
-					// obviously not a precise science, but it would catch the previous Forge bug:
-					// https://github.com/MinecraftForge/MinecraftForge/pull/6580
-					if( extracted == stackInInventorySlot )
-					{
-						extracted = extracted.copy();
-					}
-
 					if( extracted.getCount() > remainingCurrentSlot )
 					{
 						// Something broke. It should never return more than we requested...
@@ -174,17 +166,12 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 						extracted.setCount( remainingCurrentSlot );
 					}
 
-					// Heuristic for simulation: looping in case of simulations is pointless, since the state of the
-					// underlying inventory does not change after a simulated extraction. To still support inventories
-					// that report stacks that are larger than maxStackSize, we use this heuristic
-					if( simulate && extracted.getCount() == extracted.getMaxStackSize() && remainingCurrentSlot > extracted.getMaxStackSize() )
-					{
-						extracted.setCount( remainingCurrentSlot );
-					}
-
+					// We're just gonna use the first stack we get our hands on as the template for the rest.
+					// In case some stupid itemhandler (aka forge) returns an internal state we have to do a second
+					// expensive copy again.
 					if( gathered.isEmpty() )
 					{
-						gathered = extracted;
+						gathered = extracted.copy();
 					}
 					else
 					{
@@ -192,9 +179,11 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 					}
 					remainingCurrentSlot -= extracted.getCount();
 				}
-			} while ( !simulate && !extracted.isEmpty() && remainingCurrentSlot > 0 );
+			} while ( !extracted.isEmpty() && remainingCurrentSlot > 0 );
 
 			remainingSize -= stackSizeCurrentSlot - remainingCurrentSlot;
+
+			// Done?
 			if( remainingSize <= 0 )
 			{
 				break;

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

@@ -128,7 +128,7 @@ public class TileChest extends AENetworkPowerTile implements IMEChest, ITerminal
 
 	public TileChest()
 	{
-		this.setInternalMaxPower( PowerMultiplier.CONFIG.multiply( 128 ) );
+		this.setInternalMaxPower( PowerMultiplier.CONFIG.multiply( 40 ) );
 		this.getProxy().setFlags( GridFlags.REQUIRE_CHANNEL );
 		this.config.registerSetting( Settings.SORT_BY, SortOrder.NAME );
 		this.config.registerSetting( Settings.VIEW_MODE, ViewItems.ALL );
@@ -541,7 +541,7 @@ public class TileChest extends AENetworkPowerTile implements IMEChest, ITerminal
 			if( this.cellHandler != null && this.cellHandler.getChannel() == AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) )
 			{
 				final IAEItemStack returns = Platform.poweredInsert( this, this.cellHandler,
-				                                                     AEItemStack.fromItemStack( this.inputInventory.getStackInSlot( 0 ) ), this.mySrc );
+						AEItemStack.fromItemStack( this.inputInventory.getStackInSlot( 0 ) ), this.mySrc );
 
 				if( returns == null )
 				{
@@ -698,8 +698,7 @@ public class TileChest extends AENetworkPowerTile implements IMEChest, ITerminal
 				{
 					TileChest.this.getProxy().getStorage().postAlterationOfStoredItems( this.chan, change, TileChest.this.mySrc );
 				}
-			}
-			catch( final GridAccessException e )
+			} catch ( final GridAccessException e )
 			{
 				// :(
 			}
@@ -739,11 +738,11 @@ 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 (mode == Actionable.MODULATE && ( injected == null || injected.getStackSize() != input.getStackSize() ))
 			{
-				if( TileChest.this.isPowered() && this.getInternalHandler().getCellInv() != null )
+				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 );
+					TileChest.this.cellHandler.postChangesToListeners(Collections.singletonList( input.copy().setStackSize( input.getStackSize() - ( injected == null ? 0 : injected.getStackSize() ) ) ), TileChest.this.mySrc  );
 				}
 			}
 			return injected;
@@ -793,9 +792,9 @@ public class TileChest extends AENetworkPowerTile implements IMEChest, ITerminal
 			T extracted = super.extractItems( request, mode, src );
 			if( mode == Actionable.MODULATE && extracted != null )
 			{
-				if( TileChest.this.isPowered() && this.getInternalHandler().getCellInv() != null )
+				if( TileChest.this.getProxy().isActive() && this.getInternalHandler().getCellInv() != null )
 				{
-					TileChest.this.cellHandler.postChangesToListeners( Collections.singletonList( request.copy().setStackSize( -extracted.getStackSize() ) ), TileChest.this.mySrc );
+					TileChest.this.cellHandler.postChangesToListeners(Collections.singletonList( request.copy().setStackSize( -extracted.getStackSize() ) ), TileChest.this.mySrc  );
 				}
 			}
 			return extracted;
@@ -849,7 +848,7 @@ public class TileChest extends AENetworkPowerTile implements IMEChest, ITerminal
 
 	private class FluidHandler implements IFluidHandler
 	{
-		private final IFluidTankProperties[] TANK_PROPS = new IFluidTankProperties[]{new FluidTankProperties( null, Fluid.BUCKET_VOLUME )};
+		private final IFluidTankProperties[] TANK_PROPS = new IFluidTankProperties[] { new FluidTankProperties( null, Fluid.BUCKET_VOLUME ) };
 
 		@Override
 		public int fill( final FluidStack resource, final boolean doFill )
@@ -859,7 +858,7 @@ public class TileChest extends AENetworkPowerTile implements IMEChest, ITerminal
 					.getChannel() == AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class ) )
 			{
 				final IAEFluidStack results = Platform.poweredInsert( TileChest.this, TileChest.this.cellHandler, AEFluidStack.fromFluidStack( resource ),
-				                                                      TileChest.this.mySrc, doFill ? Actionable.MODULATE : Actionable.SIMULATE );
+						TileChest.this.mySrc, doFill ? Actionable.MODULATE : Actionable.SIMULATE );
 
 				if( results == null )
 				{

src/main/java/appeng/util/Platform.java

@@ -36,9 +36,6 @@ import com.google.common.base.Preconditions;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
 
-import gregtech.api.items.IToolItem;
-import ic2.api.item.IC2Items;
-import ic2.api.item.ICustomDamageItem;
 import net.minecraft.block.Block;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.client.Minecraft;
@@ -76,7 +73,6 @@ import net.minecraftforge.fluids.FluidStack;
 import net.minecraftforge.fml.common.FMLCommonHandler;
 import net.minecraftforge.fml.common.Loader;
 import net.minecraftforge.fml.common.ModContainer;
-import net.minecraftforge.fml.common.Optional;
 import net.minecraftforge.fml.relauncher.Side;
 import net.minecraftforge.fml.relauncher.SideOnly;
 import net.minecraftforge.oredict.OreDictionary;
@@ -138,8 +134,6 @@ import appeng.util.prioritylist.IPartitionList;
  * @version rv2
  * @since rv0
  */
-@Optional.Interface( iface = "gregtech.api.items.IToolItem", modid = "gregtech" )
-@Optional.Interface( iface = "ic2.api.item.ICustomDamageItem", modid = "IC2" )
 public class Platform
 {
 
@@ -182,8 +176,9 @@ public class Platform
 	/**
 	 * This displays the value for encoded longs ( double *100 )
 	 *
-	 * @param n      to be formatted long value
+	 * @param n to be formatted long value
 	 * @param isRate if true it adds a /t to the formatted string
+	 *
 	 * @return formatted long value
 	 */
 	public static String formatPowerLong( final long n, final boolean isRate )
@@ -193,14 +188,12 @@ public class Platform
 		final PowerUnits displayUnits = AEConfig.instance().selectedPowerUnit();
 		p = PowerUnits.AE.convertTo( displayUnits, p );
 
-		final String[] preFixes = {
-				"k", "M", "G", "T", "P", "T", "P", "E", "Z", "Y"
-		};
+		final String[] preFixes = { "k", "M", "G", "T", "P", "T", "P", "E", "Z", "Y" };
 		String unitName = displayUnits.name();
 
 		String level = "";
 		int offset = 0;
-		while ( p > 1000 && offset < preFixes.length )
+		while( p > 1000 && offset < preFixes.length )
 		{
 			p /= 1000;
 			level = preFixes[offset];
@@ -217,7 +210,7 @@ public class Platform
 		final int west_y = forward.zOffset * up.xOffset - forward.xOffset * up.zOffset;
 		final int west_z = forward.xOffset * up.yOffset - forward.yOffset * up.xOffset;
 
-		switch ( west_x + west_y * 2 + west_z * 3 )
+		switch( west_x + west_y * 2 + west_z * 3 )
 		{
 			case 1:
 				return AEPartLocation.EAST;
@@ -244,7 +237,7 @@ public class Platform
 		final int west_y = forward.getFrontOffsetZ() * up.getFrontOffsetX() - forward.getFrontOffsetX() * up.getFrontOffsetZ();
 		final int west_z = forward.getFrontOffsetX() * up.getFrontOffsetY() - forward.getFrontOffsetY() * up.getFrontOffsetX();
 
-		switch ( west_x + west_y * 2 + west_z * 3 )
+		switch( west_x + west_y * 2 + west_z * 3 )
 		{
 			case 1:
 				return EnumFacing.EAST;
@@ -278,7 +271,8 @@ public class Platform
 			{
 				ce = nextEnum( ce );
 			}
-		} while ( !validOptions.contains( ce ) || isNotValidSetting( ce ) );
+		}
+		while( !validOptions.contains( ce ) || isNotValidSetting( ce ) );
 
 		return ce;
 	}
@@ -452,7 +446,7 @@ public class Platform
 	{
 		if( upAndDown )
 		{
-			switch ( dir )
+			switch( dir )
 			{
 				case NORTH:
 					return AEPartLocation.SOUTH;
@@ -472,7 +466,7 @@ public class Platform
 		}
 		else
 		{
-			switch ( dir )
+			switch( dir )
 			{
 				case UP:
 					return AEPartLocation.DOWN;
@@ -525,7 +519,8 @@ public class Platform
 						final double offset_x = ( getRandomInt() % 32 - 16 ) / 82;
 						final double offset_y = ( getRandomInt() % 32 - 16 ) / 82;
 						final double offset_z = ( getRandomInt() % 32 - 16 ) / 82;
-						final EntityItem ei = new EntityItem( w, 0.5 + offset_x + pos.getX(), 0.5 + offset_y + pos.getY(), 0.2 + offset_z + pos.getZ(), i.copy() );
+						final EntityItem ei = new EntityItem( w, 0.5 + offset_x + pos.getX(), 0.5 + offset_y + pos.getY(), 0.2 + offset_z + pos.getZ(), i
+								.copy() );
 						w.spawnEntity( ei );
 					}
 				}
@@ -597,7 +592,8 @@ public class Platform
 
 		try
 		{
-			ITooltipFlag.TooltipFlags tooltipFlag = Minecraft.getMinecraft().gameSettings.advancedItemTooltips ? ITooltipFlag.TooltipFlags.ADVANCED : ITooltipFlag.TooltipFlags.NORMAL;
+			ITooltipFlag.TooltipFlags tooltipFlag = Minecraft
+					.getMinecraft().gameSettings.advancedItemTooltips ? ITooltipFlag.TooltipFlags.ADVANCED : ITooltipFlag.TooltipFlags.NORMAL;
 			return itemStack.getTooltip( Minecraft.getMinecraft().player, tooltipFlag );
 		}
 		catch( final Exception errB )
@@ -768,7 +764,7 @@ public class Platform
 
 	public static int MC2MEColor( final int color )
 	{
-		switch ( color )
+		switch( color )
 		{
 			case 4: // "blue"
 				return 0;
@@ -846,10 +842,10 @@ public class Platform
 			return forward;
 		}
 
-		switch ( forward )
+		switch( forward )
 		{
 			case DOWN:
-				switch ( axis )
+				switch( axis )
 				{
 					case DOWN:
 						return forward;
@@ -868,7 +864,7 @@ public class Platform
 				}
 				break;
 			case UP:
-				switch ( axis )
+				switch( axis )
 				{
 					case NORTH:
 						return AEPartLocation.WEST;
@@ -883,7 +879,7 @@ public class Platform
 				}
 				break;
 			case NORTH:
-				switch ( axis )
+				switch( axis )
 				{
 					case UP:
 						return AEPartLocation.WEST;
@@ -898,7 +894,7 @@ public class Platform
 				}
 				break;
 			case SOUTH:
-				switch ( axis )
+				switch( axis )
 				{
 					case UP:
 						return AEPartLocation.EAST;
@@ -913,7 +909,7 @@ public class Platform
 				}
 				break;
 			case EAST:
-				switch ( axis )
+				switch( axis )
 				{
 					case UP:
 						return AEPartLocation.NORTH;
@@ -927,7 +923,7 @@ public class Platform
 						break;
 				}
 			case WEST:
-				switch ( axis )
+				switch( axis )
 				{
 					case UP:
 						return AEPartLocation.SOUTH;
@@ -948,10 +944,10 @@ public class Platform
 
 	public static EnumFacing rotateAround( final EnumFacing forward, final EnumFacing axis )
 	{
-		switch ( forward )
+		switch( forward )
 		{
 			case DOWN:
-				switch ( axis )
+				switch( axis )
 				{
 					case DOWN:
 						return forward;
@@ -970,7 +966,7 @@ public class Platform
 				}
 				break;
 			case UP:
-				switch ( axis )
+				switch( axis )
 				{
 					case NORTH:
 						return EnumFacing.WEST;
@@ -985,7 +981,7 @@ public class Platform
 				}
 				break;
 			case NORTH:
-				switch ( axis )
+				switch( axis )
 				{
 					case UP:
 						return EnumFacing.WEST;
@@ -1000,7 +996,7 @@ public class Platform
 				}
 				break;
 			case SOUTH:
-				switch ( axis )
+				switch( axis )
 				{
 					case UP:
 						return EnumFacing.EAST;
@@ -1015,7 +1011,7 @@ public class Platform
 				}
 				break;
 			case EAST:
-				switch ( axis )
+				switch( axis )
 				{
 					case UP:
 						return EnumFacing.NORTH;
@@ -1029,7 +1025,7 @@ public class Platform
 						break;
 				}
 			case WEST:
-				switch ( axis )
+				switch( axis )
 				{
 					case UP:
 						return EnumFacing.SOUTH;
@@ -1105,7 +1101,9 @@ public class Platform
 
 		final Vec3d vec31 = vec3.addVector( f7 * d3, f6 * d3, f8 * d3 );
 
-		final AxisAlignedBB bb = new AxisAlignedBB( Math.min( vec3.x, vec31.x ), Math.min( vec3.y, vec31.y ), Math.min( vec3.z, vec31.z ), Math.max( vec3.x, vec31.x ), Math.max( vec3.y, vec31.y ), Math.max( vec3.z, vec31.z ) ).grow( 16, 16, 16 );
+		final AxisAlignedBB bb = new AxisAlignedBB( Math.min( vec3.x, vec31.x ), Math.min( vec3.y, vec31.y ), Math.min( vec3.z,
+				vec31.z ), Math.max( vec3.x, vec31.x ), Math.max( vec3.y, vec31.y ), Math.max( vec3.z, vec31.z ) ).grow(
+						16, 16, 16 );
 
 		Entity entity = null;
 		double closest = 9999999.0D;
@@ -1251,15 +1249,15 @@ public class Platform
 					final T leftover = input.copy();
 					final T split = input.copy();
 
-					leftover.decStackSize( itemToAdd );
-					split.setStackSize( itemToAdd );
-					leftover.add( cell.injectItems( split, Actionable.MODULATE, src ) );
+					leftover.decStackSize(itemToAdd);
+					split.setStackSize(itemToAdd);
+					leftover.add(cell.injectItems(split, Actionable.MODULATE, src));
 
 					src.player().ifPresent( player ->
-					                        {
-						                        final long diff = original - leftover.getStackSize();
-						                        Stats.ItemsInserted.addToPlayer( player, (int) diff );
-					                        } );
+					{
+						final long diff = original - leftover.getStackSize();
+						Stats.ItemsInserted.addToPlayer( player, (int) diff );
+					} );
 
 					return leftover;
 				}
@@ -1267,10 +1265,10 @@ public class Platform
 				final T ret = cell.injectItems( input, Actionable.MODULATE, src );
 
 				src.player().ifPresent( player ->
-				                        {
-					                        final long diff = ret == null ? input.getStackSize() : input.getStackSize() - ret.getStackSize();
-					                        Stats.ItemsInserted.addToPlayer( player, (int) diff );
-				                        } );
+				{
+					final long diff = ret == null ? input.getStackSize() : input.getStackSize() - ret.getStackSize();
+					Stats.ItemsInserted.addToPlayer( player, (int) diff );
+				} );
 
 				return ret;
 			}
@@ -1284,7 +1282,7 @@ public class Platform
 		return input;
 	}
 
-	@SuppressWarnings( {"rawtypes", "unchecked"} )
+	@SuppressWarnings( { "rawtypes", "unchecked" } )
 	public static void postChanges( final IStorageGrid gs, final ItemStack removed, final ItemStack added, final IActionSource src )
 	{
 		for( final IStorageChannel<?> chan : AEApi.instance().storage().storageChannels() )
@@ -1363,7 +1361,8 @@ public class Platform
 			final String locationA = a.getGridBlock().isWorldAccessible() ? a.getGridBlock().getLocation().toString() : "notInWorld";
 			final String locationB = b.getGridBlock().isWorldAccessible() ? b.getGridBlock().getLocation().toString() : "notInWorld";
 
-			AELog.info( "Audit: Node A [isSecure=%b, key=%d, playerID=%d, location={%s}] vs Node B[isSecure=%b, key=%d, playerID=%d, location={%s}]", a_isSecure, a.getLastSecurityKey(), a.getPlayerID(), locationA, b_isSecure, b.getLastSecurityKey(), b.getPlayerID(), locationB );
+			AELog.info( "Audit: Node A [isSecure=%b, key=%d, playerID=%d, location={%s}] vs Node B[isSecure=%b, key=%d, playerID=%d, location={%s}]",
+					a_isSecure, a.getLastSecurityKey(), a.getPlayerID(), locationA, b_isSecure, b.getLastSecurityKey(), b.getPlayerID(), locationB );
 		}
 
 		// can't do that son...
@@ -1424,7 +1423,7 @@ public class Platform
 		float yaw = 0.0f;
 		// player.yOffset = 1.8f;
 
-		switch ( side )
+		switch( side )
 		{
 			case DOWN:
 				pitch = 90.0f;
@@ -1514,14 +1513,16 @@ public class Platform
 				}
 			}
 
-			final boolean checkFuzzy = ae_req.getOre().isPresent() || providedTemplate.getItemDamage() == OreDictionary.WILDCARD_VALUE || providedTemplate.hasTagCompound() || providedTemplate.isItemStackDamageable();
+			final boolean checkFuzzy = ae_req.getOre().isPresent() || providedTemplate.getItemDamage() == OreDictionary.WILDCARD_VALUE || providedTemplate
+					.hasTagCompound() || providedTemplate.isItemStackDamageable();
 
 			if( items != null && checkFuzzy )
 			{
 				for( final IAEItemStack x : items )
 				{
 					final ItemStack sh = x.getDefinition();
-					if( ( Platform.itemComparisons().isEqualItemType( providedTemplate, sh ) || ae_req.sameOre( x ) ) && !ItemStack.areItemsEqual( sh, output ) )
+					if( ( Platform.itemComparisons().isEqualItemType( providedTemplate, sh ) || ae_req.sameOre( x ) ) && !ItemStack.areItemsEqual( sh,
+							output ) )
 					{ // Platform.isSameItemType( sh, providedTemplate )
 						final ItemStack cp = sh.copy();
 						cp.setCount( 1 );
@@ -1680,14 +1681,4 @@ public class Platform
 
 		return isPurified;
 	}
-
-	public static boolean isGTDamageableItem( Item item )
-	{
-		return ( isModLoaded( "gregtech" ) && item instanceof IToolItem );
-	}
-
-	public static boolean isIC2DamageableItem( Item item )
-	{
-		return ( isModLoaded( "IC2" ) && item instanceof ICustomDamageItem );
-	}
 }

src/main/java/appeng/util/inv/BlockingItemHandler.java

@@ -1,12 +1,20 @@
 package appeng.util.inv;
 
+import appeng.api.config.FuzzyMode;
+import appeng.api.storage.data.IAEItemStack;
+import appeng.api.storage.data.IItemList;
 import appeng.helpers.NonBlockingItems;
+import appeng.util.Platform;
+import appeng.util.item.AEItemStack;
+import gregtech.common.items.MetaTool;
 import it.unimi.dsi.fastutil.ints.IntSet;
+import it.unimi.dsi.fastutil.objects.Object2IntMap;
 import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
 import net.minecraftforge.items.IItemHandler;
 
+import java.util.Collection;
 import java.util.Iterator;
 
 

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

@@ -18,6 +18,7 @@
 
 package appeng.util.item;
 
+import java.lang.ref.WeakReference;
 import java.util.List;
 import java.util.Objects;
 import java.util.Optional;
@@ -26,8 +27,6 @@ import javax.annotation.Nonnull;
 import javax.annotation.Nullable;
 
 import com.google.common.primitives.Ints;
-import gregtech.api.items.IToolItem;
-import ic2.api.item.ICustomDamageItem;
 import io.netty.buffer.ByteBuf;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
@@ -45,7 +44,7 @@ import appeng.core.Api;
 import appeng.util.Platform;
 
 
-public class AEItemStack extends AEStack<IAEItemStack> implements IAEItemStack
+public final class AEItemStack extends AEStack<IAEItemStack> implements IAEItemStack
 {
 	private static final String NBT_STACKSIZE = "Cnt";
 	private static final String NBT_REQUESTABLE = "Req";
@@ -281,17 +280,26 @@ public class AEItemStack extends AEStack<IAEItemStack> implements IAEItemStack
 	@Override
 	public ItemStack getCachedItemStack( long stackSize )
 	{
+		ItemStack currentCached = null;
 		if( this.cachedItemStack != null )
 		{
-			if( Platform.itemComparisons().isSameItem( this.getDefinition(), this.cachedItemStack ) )
-			{
-				ItemStack currentCached = this.cachedItemStack;
-				this.cachedItemStack = null;
-				currentCached.setCount( Ints.saturatedCast( stackSize ) );
-				return currentCached;
-			}
+			currentCached = this.cachedItemStack;
 		}
-		return ItemHandlerHelper.copyStackWithSize( this.getDefinition(), Ints.saturatedCast( stackSize ) );
+
+		ItemStack itemStack;
+
+		if( currentCached != null )
+		{
+			// Cache is suitable, just update the count
+			itemStack = currentCached;
+			currentCached.setCount( Ints.saturatedCast( stackSize ) );
+		}
+		else
+		{
+			// We need a new stack :-(
+			itemStack = this.createItemStack();
+		}
+		return itemStack;
 	}
 
 	@Override
@@ -362,53 +370,20 @@ public class AEItemStack extends AEStack<IAEItemStack> implements IAEItemStack
 
 	private boolean fuzzyItemStackComparison( ItemStack a, ItemStack b, FuzzyMode mode )
 	{
-		if( a.getItem() == b.getItem() && ( a.getItem().isDamageable() || Platform.isGTDamageableItem( a.getItem() ) ) )
+		if( a.getItem() == b.getItem() && a.getItem().isDamageable() )
 		{
 			if( mode == FuzzyMode.IGNORE_ALL )
 			{
-				if( a.getItem().isDamageable() )
-				{
-					return true;
-				}
-				else if( Platform.isGTDamageableItem( a.getItem() ) )
-				{
-					return a.getItemDamage() == b.getItemDamage();
-				}
+				return true;
 			}
 			else if( mode == FuzzyMode.PERCENT_99 )
 			{
-				if( Platform.isIC2DamageableItem( a.getItem() ) )
-				{
-					return ( (ICustomDamageItem) a.getItem() ).getCustomDamage( a ) > 1 == ( (ICustomDamageItem) b.getItem() ).getCustomDamage( b ) > 1;
-				}
-				else if( a.getItem().isDamageable() )
-				{
-					return a.getItemDamage() > 1 == b.getItemDamage() > 1;
-				}
-				else if( Platform.isGTDamageableItem( a.getItem() ) )
-				{
-					return ( (IToolItem) a.getItem() ).getItemDamage( a ) > 1 == ( (IToolItem) b.getItem() ).getItemDamage( b ) > 1;
-				}
+				return a.getItemDamage() > 1 == b.getItemDamage() > 1;
 			}
 			else
 			{
-				float percentDamageOfA = 0;
-				float percentDamageOfB = 0;
-				if( Platform.isIC2DamageableItem( a.getItem() ) )
-				{
-					percentDamageOfA = (float) ( (ICustomDamageItem) a.getItem() ).getCustomDamage( a ) / ( (ICustomDamageItem) a.getItem() ).getMaxCustomDamage( a );
-					percentDamageOfB = (float) ( (ICustomDamageItem) b.getItem() ).getCustomDamage( b ) / ( (ICustomDamageItem) b.getItem() ).getMaxCustomDamage( b );
-				}
-				else if( a.getItem().isDamageable() )
-				{
-					percentDamageOfA = (float) a.getItemDamage() / a.getMaxDamage();
-					percentDamageOfB = (float) b.getItemDamage() / b.getMaxDamage();
-				}
-				else if( Platform.isGTDamageableItem( a.getItem() ) )
-				{
-					percentDamageOfA = (float) ( (IToolItem) a.getItem() ).getItemDamage( a ) / ( (IToolItem) a.getItem() ).getMaxItemDamage( a );
-					percentDamageOfB = (float) ( (IToolItem) b.getItem() ).getItemDamage( b ) / ( (IToolItem) b.getItem() ).getMaxItemDamage( b );
-				}
+				final float percentDamageOfA = (float) a.getItemDamage() / a.getMaxDamage();
+				final float percentDamageOfB = (float) b.getItemDamage() / b.getMaxDamage();
 
 				return percentDamageOfA > mode.breakPoint == percentDamageOfB > mode.breakPoint;
 			}
@@ -416,5 +391,4 @@ public class AEItemStack extends AEStack<IAEItemStack> implements IAEItemStack
 
 		return false;
 	}
-
 }

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

@@ -25,8 +25,7 @@ import java.util.Map;
 import appeng.util.Platform;
 import com.google.common.base.Preconditions;
 
-import gregtech.api.items.IToolItem;
-import ic2.api.item.ICustomDamageItem;
+import gregtech.common.items.MetaTool;
 import net.minecraft.item.ItemStack;
 
 import it.unimi.dsi.fastutil.objects.Object2ObjectAVLTreeMap;
@@ -35,210 +34,159 @@ import it.unimi.dsi.fastutil.objects.Object2ObjectSortedMap;
 import appeng.api.config.FuzzyMode;
 import appeng.api.storage.data.IAEItemStack;
 
-
 /**
  * This variant list is optimized for damageable items, and supports selecting durability ranges with
  * {@link #findFuzzy(IAEItemStack, FuzzyMode)}.
  */
-class FuzzyItemVariantList extends ItemVariantList
-{
+class FuzzyItemVariantList extends ItemVariantList {
 
-	static final SharedStackComparator COMPARATOR = new SharedStackComparator();
+    static final SharedStackComparator COMPARATOR = new SharedStackComparator();
 
-	// NOTE: We only use Object as they key here so we can pass our special DamageBounds to the subMap method.
-	// We NEVER put any keys in this map that are not AESharedItemStacks.
-	private final Object2ObjectSortedMap<Object, IAEItemStack> records = new Object2ObjectAVLTreeMap<>( COMPARATOR );
+    // NOTE: We only use Object as they key here so we can pass our special DamageBounds to the subMap method.
+    // We NEVER put any keys in this map that are not AESharedItemStacks.
+    private final Object2ObjectSortedMap<Object, IAEItemStack> records = new Object2ObjectAVLTreeMap<>(COMPARATOR);
 
-	@Override
-	public Collection<IAEItemStack> findFuzzy( final IAEItemStack filter, final FuzzyMode fuzzy )
-	{
-		ItemStack itemStack = filter.getDefinition();
+    @Override
+    public Collection<IAEItemStack> findFuzzy(final IAEItemStack filter, final FuzzyMode fuzzy) {
+        ItemStack itemStack = filter.getDefinition();
 
-		ItemDamageBound lowerBound = makeLowerBound( itemStack, fuzzy );
-		ItemDamageBound upperBound = makeUpperBound( itemStack, fuzzy );
-		Preconditions.checkState( lowerBound.itemDamage > upperBound.itemDamage );
+        ItemDamageBound lowerBound = makeLowerBound(itemStack, fuzzy);
+        ItemDamageBound upperBound = makeUpperBound(itemStack, fuzzy);
+        Preconditions.checkState(lowerBound.itemDamage > upperBound.itemDamage);
 
-		return this.records.subMap( lowerBound, upperBound ).values();
-	}
+        return this.records.subMap(lowerBound, upperBound).values();
+    }
 
-	@SuppressWarnings( "unchecked" )
-	@Override
-	Map<AESharedItemStack, IAEItemStack> getRecords()
-	{
-		// We ensure on our end that we NEVER use anything but AESharedItemStack as the key in this map
-		return (Map<AESharedItemStack, IAEItemStack>) (Object) this.records;
-	}
+    @SuppressWarnings("unchecked")
+    @Override
+    Map<AESharedItemStack, IAEItemStack> getRecords() {
+        // We ensure on our end that we NEVER use anything but AESharedItemStack as the key in this map
+        return (Map<AESharedItemStack, IAEItemStack>) (Object) this.records;
+    }
 
-	static class ItemDamageBound
-	{
-		final int itemDamage;
+    static class ItemDamageBound {
+        final int itemDamage;
 
-		public ItemDamageBound( int itemDamage )
-		{
-			this.itemDamage = itemDamage;
-		}
-	}
+        public ItemDamageBound(int itemDamage) {
+            this.itemDamage = itemDamage;
+        }
+    }
 
-	/**
-	 * This comparator creates a strict and total ordering over all {@link AESharedItemStack} of the same item. To
-	 * support selecting ranges of durability, it is defined for type {@link Object} and also accepts
-	 * {@link ItemDamageBound} as an argument to compare against.
-	 */
-	static class SharedStackComparator implements Comparator<Object>
-	{
-		@Override
-		public int compare( Object a, Object b )
-		{
-			// Either argument can either be a damage bound or a shared item stack
-			// Since we never put damage bounds into the map as keys, only one
-			// of the two arguments can possibly be a bound
-			ItemDamageBound boundA = null;
-			AESharedItemStack stackA = null;
-			int itemDamageA;
-			if( a instanceof ItemDamageBound )
-			{
-				boundA = (ItemDamageBound) a;
-				itemDamageA = boundA.itemDamage;
-			}
-			else
-			{
-				stackA = (AESharedItemStack) a;
-				itemDamageA = stackA.getItemDamage();
-			}
-			ItemDamageBound boundB = null;
-			AESharedItemStack stackB = null;
-			int itemDamageB;
-			if( b instanceof ItemDamageBound )
-			{
-				boundB = (ItemDamageBound) b;
-				itemDamageB = boundB.itemDamage;
-			}
-			else
-			{
-				stackB = (AESharedItemStack) b;
-				itemDamageB = stackB.getItemDamage();
-			}
+    /**
+     * This comparator creates a strict and total ordering over all {@link AESharedItemStack} of the same item. To
+     * support selecting ranges of durability, it is defined for type {@link Object} and also accepts
+     * {@link ItemDamageBound} as an argument to compare against.
+     */
+    static class SharedStackComparator implements Comparator<Object> {
+        @Override
+        public int compare(Object a, Object b) {
+            // Either argument can either be a damage bound or a shared item stack
+            // Since we never put damage bounds into the map as keys, only one
+            // of the two arguments can possibly be a bound
+            ItemDamageBound boundA = null;
+            AESharedItemStack stackA = null;
+            int itemDamageA;
+            if (a instanceof ItemDamageBound) {
+                boundA = (ItemDamageBound) a;
+                itemDamageA = boundA.itemDamage;
+            } else {
+                stackA = (AESharedItemStack) a;
+                itemDamageA = stackA.getItemDamage();
+            }
+            ItemDamageBound boundB = null;
+            AESharedItemStack stackB = null;
+            int itemDamageB;
+            if (b instanceof ItemDamageBound) {
+                boundB = (ItemDamageBound) b;
+                itemDamageB = boundB.itemDamage;
+            } else {
+                stackB = (AESharedItemStack) b;
+                itemDamageB = stackB.getItemDamage();
+            }
 
-			// When either argument is a damage bound, we just compare the damage values because it is used
-			// only to get a certain damage range out of the map.
-			if( boundA != null || boundB != null )
-			{
-				return Integer.compare( itemDamageB, itemDamageA );
-			}
+            // When either argument is a damage bound, we just compare the damage values because it is used
+            // only to get a certain damage range out of the map.
+            if (boundA != null || boundB != null) {
+                return Integer.compare(itemDamageB, itemDamageA);
+            }
 
-			ItemStack itemStackA = stackA.getDefinition();
-			ItemStack itemStackB = stackB.getDefinition();
-			Preconditions.checkState( itemStackA.getCount() == 1, "ItemStack#getCount() has to be 1" );
-			Preconditions.checkArgument( itemStackB.getCount() == 1, "ItemStack#getCount() has to be 1" );
+            ItemStack itemStackA = stackA.getDefinition();
+            ItemStack itemStackB = stackB.getDefinition();
+            Preconditions.checkState(itemStackA.getCount() == 1, "ItemStack#getCount() has to be 1");
+            Preconditions.checkArgument(itemStackB.getCount() == 1, "ItemStack#getCount() has to be 1");
 
-			if( itemStackA == itemStackB )
-			{
-				return 0;
-			}
+            if (itemStackA == itemStackB) {
+                return 0;
+            }
 
-			// Damaged items are sorted before undamaged items
-			final int damageValue = Integer.compare( itemDamageB, itemDamageA );
-			if( damageValue != 0 )
-			{
-				return damageValue;
-			}
+            // Damaged items are sorted before undamaged items
+            final int damageValue = Integer.compare(itemDamageB, itemDamageA);
+            if (damageValue != 0) {
+                return damageValue;
+            }
 
-			// As a final tie breaker, order by the object identity of the item stack
-			// While this will order seemingly at random, we only need the order of
-			// damage values to be predictable, while still having to satisfy the
-			// complete order requirements of the sorted map
-			return Long.compare( System.identityHashCode( itemStackA ), System.identityHashCode( itemStackB ) );
-		}
-	}
+            // As a final tie breaker, order by the object identity of the item stack
+            // While this will order seemingly at random, we only need the order of
+            // damage values to be predictable, while still having to satisfy the
+            // complete order requirements of the sorted map
+            return Long.compare(System.identityHashCode(itemStackA), System.identityHashCode(itemStackB));
+        }
+    }
 
-	/**
-	 * Minecraft reverses the damage values. So anything with a damage of 0 is undamaged and increases the more damaged
-	 * the item is.
-	 * <p>
-	 * Further the used subMap follows [MAX_DAMAGE, MIN_DAMAGE), so to include undamaged items, we have to start with a
-	 * lower damage value than 0, while it is fine to use {@link ItemStack#getMaxDamage()} for the upper bound.
-	 */
-	private static final int MIN_DAMAGE_VALUE = -1;
+    /**
+     * Minecraft reverses the damage values. So anything with a damage of 0 is undamaged and increases the more damaged
+     * the item is.
+     * <p>
+     * Further the used subMap follows [MAX_DAMAGE, MIN_DAMAGE), so to include undamaged items, we have to start with a
+     * lower damage value than 0, while it is fine to use {@link ItemStack#getMaxDamage()} for the upper bound.
+     */
+    private static final int MIN_DAMAGE_VALUE = -1;
 
-	/*
-	 * Keep in mind that the stack order is from most damaged to least damaged, so this lower bound will actually be a
-	 * higher number than the upper bound.
-	 */
-	static ItemDamageBound makeLowerBound( final ItemStack stack, final FuzzyMode fuzzy )
-	{
-		Preconditions.checkState( stack.getItem().isDamageable() || ( Platform.isGTDamageableItem( stack.getItem() ) ), "Item#isDamageable() has to be true" );
+    /*
+     * Keep in mind that the stack order is from most damaged to least damaged, so this lower bound will actually be a
+     * higher number than the upper bound.
+     */
+    static ItemDamageBound makeLowerBound(final ItemStack stack, final FuzzyMode fuzzy)
+    {
+        Preconditions.checkState( stack.getItem().isDamageable() , "Item#isDamageable() has to be true" );
 
-		int damage;
-		int maxDamage;
-		if( Platform.isIC2DamageableItem( stack.getItem() ) )
-		{
-			maxDamage = ( (ICustomDamageItem) stack.getItem() ).getMaxCustomDamage( stack );
-			damage = ( (ICustomDamageItem) stack.getItem() ).getCustomDamage( stack );
-		}
-		else if( Platform.isGTDamageableItem( stack.getItem() ) )
-		{
-			maxDamage = ( (IToolItem) stack.getItem() ).getMaxItemDamage( stack );
-			damage = ( (IToolItem) stack.getItem() ).getItemDamage( stack );
-		}
-		else
-		{
-			maxDamage = stack.getMaxDamage();
-			damage = stack.getItemDamage();
-		}
+        int damage;
+        if( fuzzy == FuzzyMode.IGNORE_ALL )
+        {
+            if( stack.getMaxDamage() == 0 )
+            {
+                damage = stack.getItemDamage();
+            }
+            else
+            {
+                damage = stack.getMaxDamage();
+            }
+        }
+        else
+        {
+            final int breakpoint = fuzzy.calculateBreakPoint( stack.getMaxDamage() );
+            damage = stack.getItemDamage() <= breakpoint ? breakpoint : stack.getMaxDamage();
+        }
 
-		if( fuzzy == FuzzyMode.IGNORE_ALL )
-		{
-			if( maxDamage != 0 )
-			{
-				damage = maxDamage;
-			}
-		}
-		else
-		{
-			final int breakpoint = fuzzy.calculateBreakPoint( maxDamage );
-			damage = damage <= breakpoint ? breakpoint : maxDamage;
-		}
+        return new ItemDamageBound( damage );
+    }
 
-		return new ItemDamageBound( damage );
-	}
+    /*
+     * Keep in mind that the stack order is from most damaged to least damaged, so this upper bound will actually be a
+     * lower number than the lower bound. It also is exclusive.
+     */
+    static ItemDamageBound makeUpperBound(final ItemStack stack, final FuzzyMode fuzzy) {
+        Preconditions.checkState(stack.getItem().isDamageable() , "Item#isDamageable() has to be true");
 
-	/*
-	 * Keep in mind that the stack order is from most damaged to least damaged, so this upper bound will actually be a
-	 * lower number than the lower bound. It also is exclusive.
-	 */
-	static ItemDamageBound makeUpperBound( final ItemStack stack, final FuzzyMode fuzzy )
-	{
-		Preconditions.checkState( stack.getItem().isDamageable() || ( Platform.isGTDamageableItem( stack.getItem() ) ), "Item#isDamageable() has to be true" );
+        int damage;
+        if (fuzzy == FuzzyMode.IGNORE_ALL) {
+            damage = MIN_DAMAGE_VALUE;
+        } else {
+            final int breakpoint = fuzzy.calculateBreakPoint(stack.getMaxDamage());
+            damage = stack.getItemDamage() <= breakpoint ? MIN_DAMAGE_VALUE : breakpoint;
+        }
 
-		int damage;
-		if( fuzzy == FuzzyMode.IGNORE_ALL )
-		{
-			damage = MIN_DAMAGE_VALUE;
-		}
-		else
-		{
-			int maxDamage;
-			if( Platform.isIC2DamageableItem( stack.getItem() ) )
-			{
-				maxDamage = ( (ICustomDamageItem) stack.getItem() ).getMaxCustomDamage( stack );
-				damage = ( (ICustomDamageItem) stack.getItem() ).getCustomDamage( stack );
-			}
-			else if( Platform.isGTDamageableItem( stack.getItem() ) )
-			{
-				maxDamage = ( (IToolItem) stack.getItem() ).getMaxItemDamage( stack );
-				damage = ( (IToolItem) stack.getItem() ).getItemDamage( stack );
-			}
-			else
-			{
-				maxDamage = stack.getMaxDamage();
-				damage = stack.getItemDamage();
-			}
-
-			final int breakpoint = fuzzy.calculateBreakPoint( maxDamage );
-			damage = damage <= breakpoint ? MIN_DAMAGE_VALUE : breakpoint;
-		}
-
-		return new ItemDamageBound( damage );
-	}
+        return new ItemDamageBound(damage);
+    }
 
 }

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

@@ -26,6 +26,7 @@ import java.util.NoSuchElementException;
 import java.util.concurrent.atomic.AtomicInteger;
 
 import appeng.util.Platform;
+import gregtech.common.items.MetaTool;
 import net.minecraft.item.Item;
 
 import it.unimi.dsi.fastutil.objects.Reference2ObjectMap;
@@ -35,217 +36,180 @@ import appeng.api.config.FuzzyMode;
 import appeng.api.storage.data.IAEItemStack;
 import appeng.api.storage.data.IItemList;
 
+public final class ItemList implements IItemList<IAEItemStack> {
 
-public final class ItemList implements IItemList<IAEItemStack>
-{
+    private final Reference2ObjectMap<Item, ItemVariantList> records = new Reference2ObjectOpenHashMap<>();
+    /**
+     * We increment this version field everytime an attempt to mutate this item list (or potentially one of its
+     * sub-lists) is made. Iterators will copy the version when they are created and compare it against the current
+     * version whenever they advance to trigger a {@link ConcurrentModificationException}.
+     */
+    private final AtomicInteger version = new AtomicInteger(0);
 
-	private final Reference2ObjectMap<Item, ItemVariantList> records = new Reference2ObjectOpenHashMap<>();
-	/**
-	 * We increment this version field everytime an attempt to mutate this item list (or potentially one of its
-	 * sub-lists) is made. Iterators will copy the version when they are created and compare it against the current
-	 * version whenever they advance to trigger a {@link ConcurrentModificationException}.
-	 */
-	private final AtomicInteger version = new AtomicInteger( 0 );
+    @Override
+    public IAEItemStack findPrecise(final IAEItemStack itemStack) {
+        if (itemStack == null) {
+            return null;
+        }
 
-	@Override
-	public IAEItemStack findPrecise( final IAEItemStack itemStack )
-	{
-		if( itemStack == null )
-		{
-			return null;
-		}
+        ItemVariantList record = this.records.get(itemStack.getItem());
+        return record != null ? record.findPrecise(itemStack) : null;
+    }
 
-		ItemVariantList record = this.records.get( itemStack.getItem() );
-		return record != null ? record.findPrecise( itemStack ) : null;
-	}
+    @Override
+    public Collection<IAEItemStack> findFuzzy(final IAEItemStack filter, final FuzzyMode fuzzy) {
+        if (filter == null) {
+            return Collections.emptyList();
+        }
 
-	@Override
-	public Collection<IAEItemStack> findFuzzy( final IAEItemStack filter, final FuzzyMode fuzzy )
-	{
-		if( filter == null )
-		{
-			return Collections.emptyList();
-		}
+        ItemVariantList record = this.records.get(filter.getItem());
+        return record != null ? record.findFuzzy(filter, fuzzy) : Collections.emptyList();
+    }
 
-		ItemVariantList record = this.records.get( filter.getItem() );
-		return record != null ? record.findFuzzy( filter, fuzzy ) : Collections.emptyList();
-	}
+    @Override
+    public boolean isEmpty() {
+        return !this.iterator().hasNext();
+    }
 
-	@Override
-	public boolean isEmpty()
-	{
-		return !this.iterator().hasNext();
-	}
+    @Override
+    public void add(final IAEItemStack itemStack) {
+        version.incrementAndGet();
 
-	@Override
-	public void add( final IAEItemStack itemStack )
-	{
-		version.incrementAndGet();
+        if (itemStack == null) {
+            return;
+        }
 
-		if( itemStack == null )
-		{
-			return;
-		}
+        this.getOrCreateRecord(itemStack.getItem()).add(itemStack);
+    }
 
-		this.getOrCreateRecord( itemStack.getItem() ).add( itemStack );
-	}
+    @Override
+    public void addStorage(final IAEItemStack itemStack) {
+        version.incrementAndGet();
 
-	@Override
-	public void addStorage( final IAEItemStack itemStack )
-	{
-		version.incrementAndGet();
+        if (itemStack == null) {
+            return;
+        }
 
-		if( itemStack == null )
-		{
-			return;
-		}
+        this.getOrCreateRecord(itemStack.getItem()).addStorage(itemStack);
+    }
 
-		this.getOrCreateRecord( itemStack.getItem() ).addStorage( itemStack );
-	}
+    @Override
+    public void addCrafting(final IAEItemStack itemStack) {
+        version.incrementAndGet();
 
-	@Override
-	public void addCrafting( final IAEItemStack itemStack )
-	{
-		version.incrementAndGet();
+        if (itemStack == null) {
+            return;
+        }
 
-		if( itemStack == null )
-		{
-			return;
-		}
+        this.getOrCreateRecord(itemStack.getItem()).addCrafting(itemStack);
+    }
 
-		this.getOrCreateRecord( itemStack.getItem() ).addCrafting( itemStack );
-	}
+    @Override
+    public void addRequestable(final IAEItemStack itemStack) {
+        version.incrementAndGet();
 
-	@Override
-	public void addRequestable( final IAEItemStack itemStack )
-	{
-		version.incrementAndGet();
+        if (itemStack == null) {
+            return;
+        }
 
-		if( itemStack == null )
-		{
-			return;
-		}
+        this.getOrCreateRecord(itemStack.getItem()).addRequestable(itemStack);
+    }
 
-		this.getOrCreateRecord( itemStack.getItem() ).addRequestable( itemStack );
-	}
+    @Override
+    public IAEItemStack getFirstItem() {
+        for (final IAEItemStack stackType : this) {
+            return stackType;
+        }
 
-	@Override
-	public IAEItemStack getFirstItem()
-	{
-		for( final IAEItemStack stackType : this )
-		{
-			return stackType;
-		}
+        return null;
+    }
 
-		return null;
-	}
+    @Override
+    public int size() {
+        int size = 0;
+        for (ItemVariantList entry : records.values()) {
+            size += entry.size();
+        }
 
-	@Override
-	public int size()
-	{
-		int size = 0;
-		for( ItemVariantList entry : records.values() )
-		{
-			size += entry.size();
-		}
+        return size;
+    }
 
-		return size;
-	}
+    @Override
+    public Iterator<IAEItemStack> iterator() {
+        return new ChainedIterator(this.records.values().iterator(), version);
+    }
 
-	@Override
-	public Iterator<IAEItemStack> iterator()
-	{
-		return new ChainedIterator( this.records.values().iterator(), version );
-	}
+    @Override
+    public void resetStatus() {
+        for (final IAEItemStack i : this) {
+            i.reset();
+        }
+    }
 
-	@Override
-	public void resetStatus()
-	{
-		for( final IAEItemStack i : this )
-		{
-			i.reset();
-		}
-	}
+    private ItemVariantList getOrCreateRecord(Item item) {
+        return this.records.computeIfAbsent(item, this::makeRecordMap);
+    }
 
-	private ItemVariantList getOrCreateRecord( Item item )
-	{
-		return this.records.computeIfAbsent( item, this::makeRecordMap );
-	}
+    private ItemVariantList makeRecordMap(Item item) {
+        if (item.isDamageable() ) {
+            return new FuzzyItemVariantList();
+        } else {
+            return new NormalItemVariantList();
+        }
+    }
 
-	private ItemVariantList makeRecordMap( Item item )
-	{
-		if( item.isDamageable() || Platform.isGTDamageableItem( item ) )
-		{
-			return new FuzzyItemVariantList();
-		}
-		else
-		{
-			return new NormalItemVariantList();
-		}
-	}
+    /**
+     * Iterates over multiple item lists as if they were one list.
+     */
+    private static class ChainedIterator implements Iterator<IAEItemStack> {
 
-	/**
-	 * Iterates over multiple item lists as if they were one list.
-	 */
-	private static class ChainedIterator implements Iterator<IAEItemStack>
-	{
+        private final AtomicInteger parentVersion;
+        private final int version;
+        private final Iterator<ItemVariantList> parent;
+        private Iterator<IAEItemStack> next;
 
-		private final AtomicInteger parentVersion;
-		private final int version;
-		private final Iterator<ItemVariantList> parent;
-		private Iterator<IAEItemStack> next;
+        public ChainedIterator(Iterator<ItemVariantList> iterator, AtomicInteger parentVersion) {
+            this.parent = iterator;
+            this.parentVersion = parentVersion;
+            this.version = parentVersion.get();
+            this.ensureItems();
+        }
 
-		public ChainedIterator( Iterator<ItemVariantList> iterator, AtomicInteger parentVersion )
-		{
-			this.parent = iterator;
-			this.parentVersion = parentVersion;
-			this.version = parentVersion.get();
-			this.ensureItems();
-		}
+        @Override
+        public boolean hasNext() {
+            return next != null && next.hasNext();
+        }
 
-		@Override
-		public boolean hasNext()
-		{
-			return next != null && next.hasNext();
-		}
+        @Override
+        public IAEItemStack next() {
+            if (this.next == null) {
+                throw new NoSuchElementException();
+            }
+            if (this.version != this.parentVersion.get()) {
+                throw new ConcurrentModificationException();
+            }
 
-		@Override
-		public IAEItemStack next()
-		{
-			if( this.next == null )
-			{
-				throw new NoSuchElementException();
-			}
-			if( this.version != this.parentVersion.get() )
-			{
-				throw new ConcurrentModificationException();
-			}
+            IAEItemStack result = this.next.next();
+            this.ensureItems();
+            return result;
+        }
 
-			IAEItemStack result = this.next.next();
-			this.ensureItems();
-			return result;
-		}
+        private void ensureItems() {
+            if (hasNext()) {
+                return; // Still items left in the current one
+            }
 
-		private void ensureItems()
-		{
-			if( hasNext() )
-			{
-				return; // Still items left in the current one
-			}
+            // Find the next iterator willing to return some items...
+            while (this.parent.hasNext()) {
+                this.next = this.parent.next().iterator();
 
-			// Find the next iterator willing to return some items...
-			while ( this.parent.hasNext() )
-			{
-				this.next = this.parent.next().iterator();
+                if (this.next.hasNext()) {
+                    return; // Found one!
+                }
+            }
 
-				if( this.next.hasNext() )
-				{
-					return; // Found one!
-				}
-			}
-
-			// No more items
-			this.next = null;
-		}
-	}
+            // No more items
+            this.next = null;
+        }
+    }
 }