wip

fix substitution crafting, for real this time
wip 2


wip. still has NBT issues


fix semantic changes


fix interface with free slots on interface terminal


Auto stash before cherry pick of "fix interface with free slots on interface terminal"

gradle.properties

@@ -3,7 +3,7 @@ aechannel=stable
 aebuild=7
 aegroup=appeng
 aebasename=appliedenergistics2
-trousers=omni-fixes-v21b
+trousers=omni-fixes-v44d
 
 #########################################################
 # Versions                                              #

gradle/scripts/dependencies.gradle

@@ -80,7 +80,7 @@ configurations {
 }
 
 dependencies {
-    compileOnly "gregtechce:gregtech:1.12.2:1.12.0.662"
+    compileOnly "gregtechce:gregtech:1.12.2:1.15.1.735"
 
     // installable runtime dependencies
     mods "mcp.mobius.waila:Hwyla:${hwyla_version}"

src/api/java/appeng/api/config/Upgrades.java

@@ -46,7 +46,8 @@ public enum Upgrades
 	 */
 	FUZZY( 1 ),
 	SPEED( 1 ),
-	INVERTER( 1 );
+	INVERTER( 1 ),
+	PATTERN_EXPANSION(1);
 
 	private final int tier;
 	private final Map<ItemStack, Integer> supportedMax = new HashMap<>();

src/api/java/appeng/api/definitions/IMaterials.java

@@ -89,6 +89,8 @@ public interface IMaterials
 
 	IItemDefinition cardCapacity();
 
+	IItemDefinition cardPatternExpansion();
+
 	IItemDefinition cardFuzzy();
 
 	IItemDefinition cardInverter();

src/api/java/appeng/api/networking/crafting/ICraftingPatternDetails.java

@@ -31,6 +31,9 @@ import net.minecraft.world.World;
 import appeng.api.implementations.ICraftingPatternItem;
 import appeng.api.storage.data.IAEItemStack;
 
+import java.util.Collections;
+import java.util.List;
+
 
 /**
  * do not implement provided by {@link ICraftingPatternItem}
@@ -84,6 +87,11 @@ public interface ICraftingPatternDetails
 	 */
 	boolean canSubstitute();
 
+	default List<IAEItemStack> getSubstituteInputs( int slot )
+	{
+		return Collections.emptyList();
+	}
+
 	/**
 	 * Allow using this INSTANCE of the pattern details to preform the crafting action with performance enhancements.
 	 *

src/main/java/appeng/client/gui/implementations/GuiInterface.java

@@ -50,7 +50,7 @@ public class GuiInterface extends GuiUpgradeable
 	public GuiInterface( final InventoryPlayer inventoryPlayer, final IInterfaceHost te )
 	{
 		super( new ContainerInterface( inventoryPlayer, te ) );
-		this.ySize = 211;
+		this.ySize = 256;
 	}
 
 	@Override
@@ -62,8 +62,7 @@ public class GuiInterface extends GuiUpgradeable
 		this.BlockMode = new GuiImgButton( this.guiLeft - 18, this.guiTop + 8, Settings.BLOCK, YesNo.NO );
 		this.buttonList.add( this.BlockMode );
 
-		this.interfaceMode = new GuiToggleButton( this.guiLeft - 18, this.guiTop + 26, 84, 85, GuiText.InterfaceTerminal
-				.getLocal(), GuiText.InterfaceTerminalHint.getLocal() );
+		this.interfaceMode = new GuiToggleButton( this.guiLeft - 18, this.guiTop + 26, 84, 85, GuiText.InterfaceTerminal.getLocal(), GuiText.InterfaceTerminalHint.getLocal() );
 		this.buttonList.add( this.interfaceMode );
 	}
 
@@ -86,13 +85,20 @@ public class GuiInterface extends GuiUpgradeable
 		this.fontRenderer.drawString( GuiText.StoredItems.getLocal(), 8, 6 + 60 + 7, 4210752 );
 		this.fontRenderer.drawString( GuiText.Patterns.getLocal(), 8, 6 + 73 + 7, 4210752 );
 
-		this.fontRenderer.drawString( GuiText.inventory.getLocal(), 8, this.ySize - 96 + 3, 4210752 );
 	}
 
 	@Override
 	protected String getBackground()
 	{
-		return "guis/interface.png";
+		int upgrades = ( (ContainerInterface) this.cvb ).getPatternUpgrades();
+		if( upgrades == 0 )
+		{
+			return "guis/newinterface.png";
+		}
+		else
+		{
+			return "guis/newinterface" + upgrades + ".png";
+		}
 	}
 
 	@Override
@@ -117,4 +123,5 @@ public class GuiInterface extends GuiUpgradeable
 			NetworkHandler.instance().sendToServer( new PacketConfigButton( this.BlockMode.getSetting(), backwards ) );
 		}
 	}
+
 }

src/main/java/appeng/client/gui/implementations/GuiInterfaceTerminal.java

@@ -24,8 +24,13 @@ import java.util.*;
 
 import appeng.api.config.ActionItems;
 import appeng.api.config.Settings;
+import appeng.api.config.Upgrades;
 import appeng.client.gui.widgets.GuiImgButton;
 import appeng.core.worlddata.IWorldPlayerMapping;
+import appeng.helpers.DualityInterface;
+import appeng.parts.misc.PartInterface;
+import appeng.tile.inventory.AppEngInternalInventory;
+import appeng.tile.misc.TileInterface;
 import appeng.util.BlockPosUtils;
 import com.google.common.collect.HashMultimap;
 
@@ -69,6 +74,7 @@ public class GuiInterfaceTerminal extends AEBaseGui
 	private final HashMultimap<String, ClientDCInternalInv> byName = HashMultimap.create();
 	private final HashMap<ClientDCInternalInv,BlockPos> blockPosHashMap = new HashMap<>();
 	private final HashMap<GuiButton,ClientDCInternalInv> guiButtonHashMap = new HashMap<>();
+	private final Map<ClientDCInternalInv,Integer> numUpgradesMap = new HashMap<>();
 	private final ArrayList<String> names = new ArrayList<>();
 	private final ArrayList<Object> lines = new ArrayList<>();
 	private final Set<Object> matchedStacks = new HashSet<>();
@@ -91,7 +97,7 @@ public class GuiInterfaceTerminal extends AEBaseGui
 		final GuiScrollbar scrollbar = new GuiScrollbar();
 		this.setScrollBar( scrollbar );
 		this.xSize = 208;
-		this.ySize = 256;
+		this.ySize = 255;
 	}
 
 	@Override
@@ -136,36 +142,43 @@ public class GuiInterfaceTerminal extends AEBaseGui
 		this.fontRenderer.drawString( this.getGuiDisplayName( GuiText.InterfaceTerminal.getLocal() ), 8, 6, 4210752 );
 		this.fontRenderer.drawString( GuiText.inventory.getLocal(), this.offsetX + 2, this.ySize - 96 + 3, 4210752 );
 
-		final int ex = this.getScrollBar().getCurrentScroll();
+		final int currentScroll = this.getScrollBar().getCurrentScroll();
 
-		this.guiButtonNextAssembler = new GuiImgButton(guiLeft + 123, guiTop + 25,Settings.ACTIONS, ActionItems.FREE_MOLECULAR_SLOT_SHORTCUT);
+		this.guiButtonNextAssembler = new GuiImgButton( guiLeft + 123, guiTop + 25, Settings.ACTIONS, ActionItems.FREE_MOLECULAR_SLOT_SHORTCUT );
 		this.buttonList.add( guiButtonNextAssembler );
 
-		guiButtonHide = new GuiImgButton( guiLeft + 141, guiTop + 25,Settings.ACTIONS, this.partInterfaceTerminal.onlyInterfacesWithFreeSlots ?
-																							ActionItems.TOGGLE_SHOW_FULL_INTERFACES_OFF :
-																							ActionItems.TOGGLE_SHOW_FULL_INTERFACES_ON);
+		guiButtonHide = new GuiImgButton( guiLeft + 141, guiTop + 25, Settings.ACTIONS, this.partInterfaceTerminal.onlyInterfacesWithFreeSlots ? ActionItems.TOGGLE_SHOW_FULL_INTERFACES_OFF : ActionItems.TOGGLE_SHOW_FULL_INTERFACES_ON );
 		this.buttonList.add( guiButtonHide );
 
 		this.inventorySlots.inventorySlots.removeIf( slot -> slot instanceof SlotDisconnected );
 
-		int offset = 51;
-		for( int x = 0; x < LINES_ON_PAGE && ex + x < this.lines.size(); x++ )
+		int offset = 52;
+		int linesDraw = 0;
+		for( int x = 0; x < LINES_ON_PAGE && linesDraw < LINES_ON_PAGE && currentScroll + x < this.lines.size(); x++ )
 		{
-			final Object lineObj = this.lines.get( ex + x );
+			final Object lineObj = this.lines.get( currentScroll + x );
 			if( lineObj instanceof ClientDCInternalInv )
 			{
 				final ClientDCInternalInv inv = (ClientDCInternalInv) lineObj;
-				for( int z = 0; z < inv.getInventory().getSlots(); z++ )
-				{
-					this.inventorySlots.inventorySlots.add( new SlotDisconnected( inv, z, z * 18 + 22, 1 + offset ) );
-					if (this.matchedStacks.contains(inv.getInventory().getStackInSlot(z)))
-						drawRect( z * 18 + 22, 1 + offset, z * 18 + 22 + 16, 1 + offset + 16, 0x2A00FF00 );
-				}
 
-				GuiButton guiButton = new GuiImgButton(guiLeft + 4, guiTop + offset + 1, Settings.ACTIONS, ActionItems.HIGHLIGHT_INTERFACE);
-				guiButtonHashMap.put( guiButton , inv);
+				GuiButton guiButton = new GuiImgButton( guiLeft + 4, guiTop + offset, Settings.ACTIONS, ActionItems.HIGHLIGHT_INTERFACE );
+				guiButtonHashMap.put( guiButton, inv );
 				this.buttonList.add( guiButton );
+				int extraLines = numUpgradesMap.get( inv );
 
+				for( int row = 0; row < 1 + extraLines && linesDraw < LINES_ON_PAGE ; ++row )
+				{
+					for( int z = 0; z < 9 ; z++ )
+					{
+						this.inventorySlots.inventorySlots.add( new SlotDisconnected( inv, z + ( row * 9 ), ( z * 18 + 22 ), offset ) );
+						if( this.matchedStacks.contains( inv.getInventory().getStackInSlot( z + ( row * 9 ) ) ) )
+						{
+							drawRect( z * 18 + 22, offset, z * 18 + 22 + 16, offset + 16, 0x2A00FF00 );
+						}
+					}
+					linesDraw++;
+					offset += 18;
+				}
 			}
 			else if( lineObj instanceof String )
 			{
@@ -176,17 +189,17 @@ public class GuiInterfaceTerminal extends AEBaseGui
 					name = name + " (" + rows + ')';
 				}
 
-				while( name.length() > 2 && this.fontRenderer.getStringWidth( name ) > 155 )
+				while ( name.length() > 2 && this.fontRenderer.getStringWidth( name ) > 155 )
 				{
 					name = name.substring( 0, name.length() - 1 );
 				}
-
-				this.fontRenderer.drawString( name, this.offsetX + 2, 6 + offset, 4210752 );
+				this.fontRenderer.drawString( name, this.offsetX + 2, 5 + offset, 4210752 );
+				linesDraw++;
+				offset += 18;
 			}
-			offset += 18;
 		}
 
-		if( searchFieldInputs.isMouseIn( mouseX , mouseY ) ) drawTooltip( Mouse.getEventX() * this.width / this.mc.displayWidth - offsetX, mouseY - guiTop, "Inputs OR names" );
+		if( searchFieldInputs.isMouseIn( mouseX, mouseY ) ) drawTooltip( Mouse.getEventX() * this.width / this.mc.displayWidth - offsetX, mouseY - guiTop, "Inputs OR names" );
 		else if( searchFieldOutputs.isMouseIn( mouseX, mouseY ) ) drawTooltip( Mouse.getEventX() * this.width / this.mc.displayWidth - offsetX, mouseY - guiTop, "Outputs OR names" );
 
 	}
@@ -264,19 +277,28 @@ public class GuiInterfaceTerminal extends AEBaseGui
 
 		int offset = 51;
 		final int ex = this.getScrollBar().getCurrentScroll();
-
-		for( int x = 0; x < LINES_ON_PAGE && ex + x < this.lines.size(); x++ )
+		int linesDraw = 0;
+		for( int x = 0; x < LINES_ON_PAGE && linesDraw < LINES_ON_PAGE && ex + x < this.lines.size(); x++ )
 		{
 			final Object lineObj = this.lines.get( ex + x );
 			if( lineObj instanceof ClientDCInternalInv )
 			{
-				final ClientDCInternalInv inv = (ClientDCInternalInv) lineObj;
-
 				GlStateManager.color( 1, 1, 1, 1 );
-				final int width = inv.getInventory().getSlots() * 18;
-				this.drawTexturedModalRect( offsetX + 20, offsetY + offset, 20, 173, width, 18 );
+				final int width = 9 * 18;
+
+				int extraLines = numUpgradesMap.get( lineObj );
+
+				for( int row = 0; row < 1 + extraLines && linesDraw < LINES_ON_PAGE; ++row )
+				{
+					this.drawTexturedModalRect( offsetX + 20, offsetY + offset , 20, 173, width, 18 );
+					offset += 18;
+					linesDraw++;
+				}
+			}
+			else {
+				offset += 18;
+				linesDraw++;
 			}
-			offset += 18;
 		}
 
 		if( this.searchFieldInputs != null )
@@ -337,6 +359,7 @@ public class GuiInterfaceTerminal extends AEBaseGui
 					final ClientDCInternalInv current = this.getById( id, invData.getLong( "sortBy" ), invData.getString( "un" ) );
 					blockPosHashMap.put( current, NBTUtil.getPosFromTag( invData.getCompoundTag( "pos" )) );
 					dimHashMap.put( current, invData.getInteger( "dim" ));
+					numUpgradesMap.put( current, invData.getInteger("numUpgrades"));
 
 					for( int x = 0; x < current.getInventory().getSlots(); x++ )
 					{
@@ -395,8 +418,12 @@ public class GuiInterfaceTerminal extends AEBaseGui
 			// Search if the current inventory holds a pattern containing the search term.
 			if( !found )
 			{
+				int slot = 0;
 				for( final ItemStack itemStack : entry.getInventory() )
 				{
+					if (slot > 8 + numUpgradesMap.get(entry) * 9) {
+						break;
+					}
 					if( !searchFieldInputs.isEmpty() && !searchFieldOutputs.isEmpty() ) {
 						if (this.itemStackMatchesSearchTerm(itemStack, searchFieldInputs, 0) || this.itemStackMatchesSearchTerm(itemStack, searchFieldOutputs, 1)) {
 							found = true;
@@ -418,6 +445,7 @@ public class GuiInterfaceTerminal extends AEBaseGui
 					// If only Interfaces with empty slots should be shown, check that here
 					if(itemStack.isEmpty())
 						interfaceHasFreeSlots = true;
+					slot++;
 				}
 			}
 			// if found, filter skipped or machine name matching the search term, add it
@@ -458,7 +486,7 @@ public class GuiInterfaceTerminal extends AEBaseGui
 			this.lines.addAll( clientInventories );
 		}
 
-		this.getScrollBar().setRange( 0, this.lines.size() - LINES_ON_PAGE, 2 );
+		this.getScrollBar().setRange( 0, this.lines.size() - 1, 1 );
 	}
 
 	private boolean itemStackMatchesSearchTerm( final ItemStack itemStack, final String searchTerm,int pass )
@@ -548,7 +576,7 @@ public class GuiInterfaceTerminal extends AEBaseGui
 
 		if( o == null )
 		{
-			this.byId.put( id, o = new ClientDCInternalInv( 9, id, sortBy, string ) );
+			this.byId.put( id, o = new ClientDCInternalInv( DualityInterface.NUMBER_OF_PATTERN_SLOTS, id, sortBy, string ) );
 			this.refreshList = true;
 		}
 

src/main/java/appeng/container/implementations/ContainerInterface.java

@@ -19,6 +19,9 @@
 package appeng.container.implementations;
 
 
+import appeng.api.config.Upgrades;
+import appeng.container.slot.*;
+import appeng.util.Platform;
 import net.minecraft.entity.player.InventoryPlayer;
 
 import appeng.api.config.SecurityPermissions;
@@ -26,14 +29,11 @@ import appeng.api.config.Settings;
 import appeng.api.config.YesNo;
 import appeng.api.util.IConfigManager;
 import appeng.container.guisync.GuiSync;
-import appeng.container.slot.SlotFake;
-import appeng.container.slot.SlotNormal;
-import appeng.container.slot.SlotRestrictedInput;
 import appeng.helpers.DualityInterface;
 import appeng.helpers.IInterfaceHost;
 
 
-public class ContainerInterface extends ContainerUpgradeable
+public class ContainerInterface extends ContainerUpgradeable implements IOptionalSlotHost
 {
 
 	private final DualityInterface myDuality;
@@ -44,16 +44,22 @@ public class ContainerInterface extends ContainerUpgradeable
 	@GuiSync( 4 )
 	public YesNo iTermMode = YesNo.YES;
 
+	@GuiSync( 7 )
+	public int patternExpansions = 0;
+
 	public ContainerInterface( final InventoryPlayer ip, final IInterfaceHost te )
 	{
 		super( ip, te.getInterfaceDuality().getHost() );
 
 		this.myDuality = te.getInterfaceDuality();
 
-		for( int x = 0; x < DualityInterface.NUMBER_OF_PATTERN_SLOTS; x++ )
+		for (int row = 0 ; row < 4 ; ++row)
 		{
-			this.addSlotToContainer( new SlotRestrictedInput( SlotRestrictedInput.PlacableItemType.ENCODED_PATTERN, this.myDuality
-					.getPatterns(), x, 8 + 18 * x, 90 + 7, this.getInventoryPlayer() ).setStackLimit( 1 ) );
+			for( int x = 0; x < 9; x++ )
+			{
+				this.addSlotToContainer( new OptionalSlotRestrictedInput( SlotRestrictedInput.PlacableItemType.ENCODED_PATTERN, this.myDuality
+						.getPatterns(), this, x + row * 9, 8 + 18 * x, 97 + ( 18 * row ), row, this.getInventoryPlayer() ).setStackLimit( 1 ) );
+			}
 		}
 
 		for( int x = 0; x < DualityInterface.NUMBER_OF_CONFIG_SLOTS; x++ )
@@ -70,7 +76,7 @@ public class ContainerInterface extends ContainerUpgradeable
 	@Override
 	protected int getHeight()
 	{
-		return 211;
+		return 256;
 	}
 
 	@Override
@@ -82,16 +88,35 @@ public class ContainerInterface extends ContainerUpgradeable
 	@Override
 	public int availableUpgrades()
 	{
-		return 1;
+		return 4;
+	}
+
+	@Override
+	public boolean isSlotEnabled( final int idx )
+	{
+		return myDuality.getInstalledUpgrades(Upgrades.PATTERN_EXPANSION) >= idx;
 	}
 
 	@Override
 	public void detectAndSendChanges()
 	{
 		this.verifyPermissions( SecurityPermissions.BUILD, false );
+
+		if (patternExpansions != getPatternUpgrades())
+		{
+			patternExpansions = getPatternUpgrades();
+			this.myDuality.dropExcessPatterns();
+		}
 		super.detectAndSendChanges();
 	}
 
+	@Override
+	public void onUpdate( final String field, final Object oldValue, final Object newValue ) {
+		super.onUpdate(field, oldValue, newValue);
+		if ( Platform.isClient() && field.equals("patternExpansions"))
+			this.myDuality.dropExcessPatterns();
+	}
+
 	@Override
 	protected void loadSettingsFromHost( final IConfigManager cm )
 	{
@@ -118,4 +143,9 @@ public class ContainerInterface extends ContainerUpgradeable
 	{
 		this.iTermMode = iTermMode;
 	}
+
+	public int getPatternUpgrades()
+	{
+		return this.myDuality.getInstalledUpgrades( Upgrades.PATTERN_EXPANSION );
+	}
 }

src/main/java/appeng/container/implementations/ContainerInterfaceTerminal.java

@@ -24,6 +24,7 @@ import java.util.HashMap;
 import java.util.Map;
 import java.util.Map.Entry;
 
+import appeng.api.config.Upgrades;
 import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraft.entity.player.InventoryPlayer;
 import net.minecraft.item.ItemStack;
@@ -405,6 +406,7 @@ public final class ContainerInterfaceTerminal extends AEBaseContainer
 			tag.setString( "un", inv.unlocalizedName );
 			tag.setTag( "pos", NBTUtil.createPosTag( inv.pos ) );
 			tag.setInteger( "dim", inv.dim );
+			tag.setInteger( "numUpgrades", inv.numUpgrades );
 		}
 
 		for( int x = 0; x < length; x++ )
@@ -437,6 +439,7 @@ public final class ContainerInterfaceTerminal extends AEBaseContainer
 		private final IItemHandler server;
 		private final BlockPos pos;
 		private final int dim;
+		private final int numUpgrades;
 
 		public InvTracker( final DualityInterface dual, final IItemHandler patterns, final String unlocalizedName )
 		{
@@ -446,6 +449,7 @@ public final class ContainerInterfaceTerminal extends AEBaseContainer
 			this.sortBy = dual.getSortValue();
 			this.pos = dual.getLocation().getPos();
 			this.dim = dual.getLocation().getWorld().provider.getDimension();
+			this.numUpgrades = dual.getInstalledUpgrades( Upgrades.PATTERN_EXPANSION);
 		}
 	}
 

src/main/java/appeng/container/slot/AppEngSlot.java

@@ -157,7 +157,7 @@ public class AppEngSlot extends Slot
 	{
 		if( this.isSlotEnabled() )
 		{
-			return !this.itemHandler.extractItem( this.index, 1, true ).isEmpty();
+			return !this.itemHandler.extractItem( this.index, Integer.MAX_VALUE, true ).isEmpty();
 		}
 		return false;
 	}

src/main/java/appeng/core/Registration.java

@@ -363,6 +363,8 @@ final class Registration
 		// Interface
 		Upgrades.CRAFTING.registerItem( parts.iface(), 1 );
 		Upgrades.CRAFTING.registerItem( blocks.iface(), 1 );
+		Upgrades.PATTERN_EXPANSION.registerItem( parts.iface(), 3 );
+		Upgrades.PATTERN_EXPANSION.registerItem( blocks.iface(), 3 );
 
 		// IO Port!
 		Upgrades.SPEED.registerItem( blocks.iOPort(), 3 );

src/main/java/appeng/core/api/ApiStorage.java

@@ -175,7 +175,7 @@ public class ApiStorage implements IStorageHelper
 		@Override
 		public int transferFactor()
 		{
-			return 125;
+			return 1000;
 		}
 
 		@Override

src/main/java/appeng/core/api/definitions/ApiMaterials.java

@@ -86,6 +86,7 @@ public final class ApiMaterials implements IMaterials
 	private final IItemDefinition cardRedstone;
 	private final IItemDefinition cardSpeed;
 	private final IItemDefinition cardCapacity;
+	private final IItemDefinition cardPatternExpansion;
 	private final IItemDefinition cardFuzzy;
 	private final IItemDefinition cardInverter;
 	private final IItemDefinition cardCrafting;
@@ -204,6 +205,7 @@ public final class ApiMaterials implements IMaterials
 		this.cardRedstone = new DamagedItemDefinition( "material.card.redstone", materials.createMaterial( MaterialType.CARD_REDSTONE ) );
 		this.cardSpeed = new DamagedItemDefinition( "material.card.acceleration", materials.createMaterial( MaterialType.CARD_SPEED ) );
 		this.cardCapacity = new DamagedItemDefinition( "material.card.capacity", materials.createMaterial( MaterialType.CARD_CAPACITY ) );
+		this.cardPatternExpansion = new DamagedItemDefinition( "material.card.pattern.expansion", materials.createMaterial(MaterialType.CARD_PATTERN_EXPANSION) );
 		this.cardFuzzy = new DamagedItemDefinition( "material.card.fuzzy", materials.createMaterial( MaterialType.CARD_FUZZY ) );
 		this.cardInverter = new DamagedItemDefinition( "material.card.inverter", materials.createMaterial( MaterialType.CARD_INVERTER ) );
 		this.cardCrafting = new DamagedItemDefinition( "material.card.crafting", materials.createMaterial( MaterialType.CARD_CRAFTING ) );
@@ -424,6 +426,9 @@ public final class ApiMaterials implements IMaterials
 		return this.cardCapacity;
 	}
 
+	@Override
+	public IItemDefinition cardPatternExpansion(){ return this.cardPatternExpansion;}
+
 	@Override
 	public IItemDefinition cardFuzzy()
 	{

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

@@ -29,6 +29,7 @@ import java.util.Iterator;
 import appeng.api.config.FuzzyMode;
 import appeng.api.storage.data.IItemList;
 import appeng.container.implementations.ContainerPatternTerm;
+import gregtech.common.items.MetaTool;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.Unpooled;
 
@@ -211,23 +212,21 @@ public class PacketJEIRecipe extends AppEngPacket
 									out = Platform.poweredExtraction( energy, storage, request, cct.getActionSource() );
 									if( out == null )
 									{
-										Collection<IAEItemStack> outList = inv.getInventory( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) ).getStorageList().findFuzzy( request, FuzzyMode.IGNORE_ALL );
-										IAEItemStack mostDamaged = null;
-										for( IAEItemStack is : outList )
+										if( request.getItem().isDamageable() || ( Platform.isModLoaded( "gregtech" ) && request.getItem() instanceof MetaTool ) )
 										{
-											if( !is.isCraftable() )
+											Collection<IAEItemStack> outList = inv.getInventory( AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ) ).getStorageList().findFuzzy( request, FuzzyMode.IGNORE_ALL );
+											for( IAEItemStack is : outList )
 											{
-												if( mostDamaged == null || mostDamaged.getItemDamage() < is.getItemDamage() )
+												if( is.getDefinition().getMetadata() == request.getDefinition().getMetadata() )
 												{
-													mostDamaged = is;
+													out = Platform.poweredExtraction( energy, storage, is.copy().setStackSize( 1 ), cct.getActionSource() );
+												}
+												if( out != null )
+												{
+													break;
 												}
 											}
 										}
-										if( mostDamaged != null )
-										{
-											mostDamaged.setStackSize( 1 );
-											out = Platform.poweredExtraction( energy, storage, mostDamaged, cct.getActionSource() );
-										}
 									}
 								}
 								else

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

@@ -130,7 +130,12 @@ public class CraftingTreeNode
 
 			if( this.parent.details.canSubstitute() )
 			{
-				itemList = inventoryList.findFuzzy( this.what, FuzzyMode.IGNORE_ALL );
+				final List<IAEItemStack> substitutes = this.parent.details.getSubstituteInputs(this.slot);
+				itemList = new ArrayList<>(substitutes.size());
+
+				for (IAEItemStack stack : substitutes) {
+					itemList.addAll(inventoryList.findFuzzy(stack, FuzzyMode.IGNORE_ALL));
+				}
 			}
 			else
 			{

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

@@ -305,7 +305,7 @@ public class CraftingTreeProcess
 
 	void getPlan( final IItemList<IAEItemStack> plan )
 	{
-		for( IAEItemStack i : this.details.getOutputs() )
+		for( IAEItemStack i : this.details.getCondensedOutputs() )
 		{
 			i = i.copy();
 			i.setCountRequestable( i.getStackSize() * this.crafts );

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

@@ -446,7 +446,11 @@ public class ContainerFluidTerminal extends AEBaseContainer implements IConfigMa
 
 			if( notInserted != null && notInserted.getStackSize() > 0 )
 			{
-				AELog.error( "Fluid item [%s] reported a different possible amount to drain than it actually provided.", held.getDisplayName() );
+				IAEFluidStack spill = this.monitor.injectItems( notInserted, Actionable.MODULATE, this.getActionSource() );
+				if( spill != null && spill.getStackSize() > 0 )
+				{
+					fh.fill( spill.getFluidStack(), true );
+				}
 			}
 
 			player.inventory.setItemStack( fh.getContainer() );

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

@@ -20,10 +20,10 @@ package appeng.helpers;
 
 
 import java.util.*;
-import java.util.stream.Collectors;
 
 import javax.annotation.Nullable;
 
+import appeng.api.definitions.IItemDefinition;
 import appeng.integration.modules.gregtech.GTCEInventoryAdaptor;
 import appeng.util.*;
 import appeng.util.inv.*;
@@ -33,10 +33,9 @@ import de.ellpeck.actuallyadditions.api.tile.IPhantomTile;
 import gregtech.api.block.machines.BlockMachine;
 import gregtech.api.metatileentity.MetaTileEntity;
 import gregtech.api.metatileentity.MetaTileEntityHolder;
-import gregtech.api.metatileentity.TieredMetaTileEntity;
-import gregtech.api.metatileentity.WorkableTieredMetaTileEntity;
 import net.minecraft.block.Block;
 import net.minecraft.block.state.IBlockState;
+import net.minecraft.client.Minecraft;
 import net.minecraft.init.Items;
 import net.minecraft.inventory.InventoryCrafting;
 import net.minecraft.item.Item;
@@ -115,7 +114,7 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 
 	public static final int NUMBER_OF_STORAGE_SLOTS = 9;
 	public static final int NUMBER_OF_CONFIG_SLOTS = 9;
-	public static final int NUMBER_OF_PATTERN_SLOTS = 9;
+	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 };
@@ -151,7 +150,7 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 		this.gridProxy = networkProxy;
 		this.gridProxy.setFlags( GridFlags.REQUIRE_CHANNEL );
 
-		this.upgrades = new StackUpgradeInventory( this.gridProxy.getMachineRepresentation(), this, 1 );
+		this.upgrades = new StackUpgradeInventory( this.gridProxy.getMachineRepresentation(), this, 4);
 		this.cm.registerSetting( Settings.BLOCK, YesNo.NO );
 		this.cm.registerSetting( Settings.INTERFACE_TERMINAL, YesNo.YES );
 
@@ -179,7 +178,6 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 		{
 			return;
 		}
-
 		if( inv == this.config )
 		{
 			this.readConfig();
@@ -279,10 +277,11 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 		}
 
 		this.waitingToSendFacing = null;
-		final NBTTagCompound waitingListSided = data.getCompoundTag("sidedWaitList");
+		final NBTTagCompound waitingListSided = data.getCompoundTag( "sidedWaitList" );
 
-		for (EnumFacing s : EnumFacing.values())
-			if (waitingListSided.hasKey( s.name() )) {
+		for( EnumFacing s : EnumFacing.values() )
+			if( waitingListSided.hasKey( s.name() ) )
+			{
 				NBTTagList w = waitingListSided.getTagList( s.name(), 10 );
 				for( int x = 0; x < w.tagCount(); x++ )
 				{
@@ -290,14 +289,31 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 					if( c != null )
 					{
 						final ItemStack is = new ItemStack( c );
-						this.addToSendListFacing( is , EnumFacing.getFront( s.getIndex() ) );
+						this.addToSendListFacing( is, EnumFacing.getFront( s.getIndex() ) );
 					}
 				}
 			}
 
 		this.craftingTracker.readFromNBT( data );
+
+		// fix upgrade slot size mismatch
+		NBTTagCompound up = data.getCompoundTag( "upgrades" );
+		if( up.hasKey( "Size" ) && up.getInteger( "Size" ) != this.upgrades.getSlots() )
+		{
+			up.setInteger( "Size", this.upgrades.getSlots() );
+			this.upgrades.writeToNBT( up, "upgrades" );
+		}
+
 		this.upgrades.readFromNBT( data, "upgrades" );
 		this.config.readFromNBT( data, "config" );
+
+		NBTTagCompound pa = data.getCompoundTag( "patterns" );
+		if( pa.hasKey( "Size" ) && pa.getInteger( "Size" ) != this.patterns.getSlots() )
+		{
+			pa.setInteger( "Size", this.patterns.getSlots() );
+			this.upgrades.writeToNBT( pa, "patterns" );
+		}
+
 		this.patterns.readFromNBT( data, "patterns" );
 		this.storage.readFromNBT( data, "storage" );
 		this.priority = data.getInteger( "priority" );
@@ -400,9 +416,8 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 
 	private void updateCraftingList()
 	{
-		final Boolean[] accountedFor = { false, false, false, false, false, false, false, false, false }; // 9...
-
-		assert ( accountedFor.length == this.patterns.getSlots() );
+		final Boolean[] accountedFor = new Boolean[this.patterns.getSlots()];
+		Arrays.fill( accountedFor, false );
 
 		if( !this.gridProxy.isReady() )
 		{
@@ -417,7 +432,7 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 				final ICraftingPatternDetails details = i.next();
 				boolean found = false;
 
-				for( int x = 0; x < accountedFor.length; x++ )
+				for( int x = 0; x < accountedFor.length ; x++ )
 				{
 					final ItemStack is = this.patterns.getStackInSlot( x );
 					if( details.getPattern() == is )
@@ -433,7 +448,7 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 			}
 		}
 
-		for( int x = 0; x < accountedFor.length; x++ )
+		for( int x = 0; x < accountedFor.length ; x++ )
 		{
 			if( !accountedFor[x] )
 			{
@@ -586,6 +601,30 @@ public class DualityInterface implements IGridTickable, IStorageMonitorable, IIn
 		return false;
 	}
 
+	public void dropExcessPatterns()
+	{
+		IItemHandler patterns = getPatterns();
+
+		List<ItemStack> dropList = new ArrayList<>();
+		for( int invSlot = 0; invSlot < patterns.getSlots(); invSlot++ )
+		{
+			if( invSlot >= 9 + ( this.getInstalledUpgrades( Upgrades.PATTERN_EXPANSION ) ) * 9 )
+			{
+				ItemStack is = patterns.getStackInSlot( invSlot );
+				if( is.isEmpty() ) continue;
+				dropList.add( patterns.extractItem( invSlot, Integer.MAX_VALUE, false ) );
+			}
+		}
+		if( dropList.size() > 1 )
+		{
+			World world = this.getLocation().getWorld();
+			BlockPos blockPos = this.getLocation().getPos();
+			Platform.spawnDrops( world, blockPos, dropList );
+		}
+
+		this.gridProxy.setIdlePowerUsage( Math.pow( 4, ( this.getInstalledUpgrades( Upgrades.PATTERN_EXPANSION ) ) ) );
+	}
+
 	@Override
 	public boolean canInsert( final ItemStack stack )
 	{

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

@@ -19,21 +19,18 @@
 package appeng.helpers;
 
 
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.StringJoiner;
+import java.util.*;
+import java.util.stream.Collectors;
 
 import net.minecraft.inventory.InventoryCrafting;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
 import net.minecraft.item.crafting.CraftingManager;
 import net.minecraft.item.crafting.IRecipe;
+import net.minecraft.item.crafting.Ingredient;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.nbt.NBTTagList;
+import net.minecraft.util.NonNullList;
 import net.minecraft.world.World;
 
 import appeng.api.AEApi;
@@ -46,11 +43,17 @@ import appeng.core.AELog;
 import appeng.core.features.AEFeature;
 import appeng.util.Platform;
 import appeng.util.item.AEItemStack;
+import net.minecraftforge.common.crafting.IShapedRecipe;
 
 
 public class PatternHelper implements ICraftingPatternDetails, Comparable<PatternHelper>
 {
 
+	private static final int CRAFTING_GRID_DIMENSION = 3;
+	private static final int ALL_INPUT_LIMIT = CRAFTING_GRID_DIMENSION * CRAFTING_GRID_DIMENSION;
+	private static final int CRAFTING_OUTPUT_LIMIT = 1;
+	private static final int PROCESSING_OUTPUT_LIMIT = 3;
+
 	private final ItemStack patternItem;
 	private final InventoryCrafting crafting = new InventoryCrafting( new ContainerNull(), 3, 3 );
 	private final InventoryCrafting testFrame = new InventoryCrafting( new ContainerNull(), 3, 3 );
@@ -60,6 +63,7 @@ public class PatternHelper implements ICraftingPatternDetails, Comparable<Patter
 	private final IAEItemStack[] condensedOutputs;
 	private final IAEItemStack[] inputs;
 	private final IAEItemStack[] outputs;
+	private final Map<Integer, List<IAEItemStack>> substituteInputs;
 	private final boolean isCrafting;
 	private final boolean canSubstitute;
 	private final Set<TestLookup> failCache = new HashSet<>();
@@ -143,9 +147,11 @@ public class PatternHelper implements ICraftingPatternDetails, Comparable<Patter
 				}
 			}
 		}
+		final int outputLength = this.isCrafting ? CRAFTING_OUTPUT_LIMIT : PROCESSING_OUTPUT_LIMIT;
 
-		this.outputs = out.toArray( new IAEItemStack[out.size()] );
-		this.inputs = in.toArray( new IAEItemStack[in.size()] );
+		this.inputs = in.toArray(new IAEItemStack[ALL_INPUT_LIMIT]);
+		this.outputs = out.toArray(new IAEItemStack[outputLength]);
+		this.substituteInputs = new HashMap<>(ALL_INPUT_LIMIT);
 
 		final Map<IAEItemStack, IAEItemStack> tmpOutputs = new HashMap<>();
 
@@ -257,6 +263,14 @@ public class PatternHelper implements ICraftingPatternDetails, Comparable<Patter
 
 		this.testFrame.setInventorySlotContents( slotIndex, i );
 
+		// If we cannot substitute, the items must match exactly
+		if (!canSubstitute && slotIndex < inputs.length) {
+			if (!inputs[slotIndex].isSameType(i)) {
+				this.markItemAs(slotIndex, i, TestStatus.DECLINE);
+				return false;
+			}
+		}
+
 		if( this.standardRecipe.matches( this.testFrame, w ) )
 		{
 			final ItemStack testOutput = this.standardRecipe.getCraftingResult( this.testFrame );
@@ -268,25 +282,6 @@ public class PatternHelper implements ICraftingPatternDetails, Comparable<Patter
 				return true;
 			}
 		}
-		else if( AEConfig.instance().isFeatureEnabled( AEFeature.CRAFTING_MANAGER_FALLBACK ) )
-		{
-			final ItemStack testOutput = CraftingManager.findMatchingResult( this.testFrame, w );
-
-			if( Platform.itemComparisons().isSameItem( this.correctOutput, testOutput ) )
-			{
-				this.testFrame.setInventorySlotContents( slotIndex, this.crafting.getStackInSlot( slotIndex ) );
-				this.markItemAs( slotIndex, i, TestStatus.ACCEPT );
-
-				if( AELog.isCraftingDebugLogEnabled() )
-				{
-					this.warnAboutCraftingManager( true );
-				}
-
-				return true;
-			}
-
-			this.warnAboutCraftingManager( false );
-		}
 
 		this.markItemAs( slotIndex, i, TestStatus.DECLINE );
 		return false;
@@ -328,6 +323,97 @@ public class PatternHelper implements ICraftingPatternDetails, Comparable<Patter
 		return this.canSubstitute;
 	}
 
+	@Override
+	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));
+			}
+
+			// 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]);
+			return itemList;
+		});
+	}
+
+	/**
+	 * Gets the {@link Ingredient} from the actual used recipe for a given slot-index into {@link #getInputs()}.
+	 * <p/>
+	 * Conversion is needed for two reasons: our sparse ingredients are always organized in a 3x3 grid, while Vanilla's
+	 * 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) {
+
+		if (standardRecipe instanceof IShapedRecipe ) {
+			IShapedRecipe shapedRecipe = (IShapedRecipe) standardRecipe;
+
+			return getShapedRecipeIngredient(slot, shapedRecipe.getRecipeWidth());
+		} else {
+			return getShapelessRecipeIngredient(slot);
+		}
+	}
+
+	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) {
+			topOffset++; // First row is fully empty
+			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) {
+			leftOffset++; // First column is fully empty
+			if (inputs[1] == null && inputs[4] == null && inputs[7] == null) {
+				leftOffset++; // Second column is fully empty
+			}
+		}
+
+		// Compute the x,y of the slot, as-if the recipe was anchored to 0,0
+		int slotX = slot % CRAFTING_GRID_DIMENSION - leftOffset;
+		int slotY = slot / CRAFTING_GRID_DIMENSION - topOffset;
+
+		// Compute the index into the recipe's ingredient list now
+		int ingredientIndex = slotY * recipeWidth + slotX;
+
+		NonNullList<Ingredient> ingredients = standardRecipe.getIngredients();
+
+		if (ingredientIndex < 0 || ingredientIndex > ingredients.size()) {
+			return Ingredient.EMPTY;
+		}
+
+		return ingredients.get(ingredientIndex);
+	}
+
+	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) {
+				ingredientIndex++;
+			}
+		}
+
+		NonNullList<Ingredient> ingredients = standardRecipe.getIngredients();
+		if (ingredientIndex < ingredients.size()) {
+			return ingredients.get(ingredientIndex);
+		}
+
+		return Ingredient.EMPTY;
+	}
+	
 	@Override
 	public ItemStack getOutput( final InventoryCrafting craftingInv, final World w )
 	{
@@ -406,24 +492,6 @@ public class PatternHelper implements ICraftingPatternDetails, Comparable<Patter
 		return this.pattern.hashCode();
 	}
 
-	private void warnAboutCraftingManager( boolean foundAlternative )
-	{
-		final String foundAlternativeRecipe = foundAlternative ? "Found alternative recipe." : "NOT FOUND, please report.";
-
-		final StringJoiner joinActualInputs = new StringJoiner( ", " );
-		for( int j = 0; j < this.testFrame.getSizeInventory(); j++ )
-		{
-			final ItemStack stack = this.testFrame.getStackInSlot( j );
-			if( !stack.isEmpty() )
-			{
-				joinActualInputs.add( stack.toString() );
-			}
-		}
-
-		AELog.warn( "Using CraftingManager fallback: Recipe <%s> for output <%s> rejected inputs [%s]. %s",
-				this.standardRecipe.getRegistryName(), this.standardRecipe.getRecipeOutput(), joinActualInputs, foundAlternativeRecipe );
-	}
-
 	@Override
 	public boolean equals( final Object obj )
 	{

src/main/java/appeng/items/materials/ItemMaterial.java

@@ -164,6 +164,8 @@ public final class ItemMaterial extends AEBaseItem implements IStorageComponent,
 				return Upgrades.INVERTER;
 			case CARD_CRAFTING:
 				return Upgrades.CRAFTING;
+			case CARD_PATTERN_EXPANSION:
+				return Upgrades.PATTERN_EXPANSION;
 			default:
 				return null;
 		}

src/main/java/appeng/items/materials/MaterialType.java

@@ -118,7 +118,10 @@ public enum MaterialType
 	FLUID_CELL1K_PART( 54, "material_fluid_cell1k_part", EnumSet.of( AEFeature.STORAGE_CELLS ) ),
 	FLUID_CELL4K_PART( 55, "material_fluid_cell4k_part", EnumSet.of( AEFeature.STORAGE_CELLS ) ),
 	FLUID_CELL16K_PART( 56, "material_fluid_cell16k_part", EnumSet.of( AEFeature.STORAGE_CELLS ) ),
-	FLUID_CELL64K_PART( 57, "material_fluid_cell64k_part", EnumSet.of( AEFeature.STORAGE_CELLS ) );
+	FLUID_CELL64K_PART( 57, "material_fluid_cell64k_part", EnumSet.of( AEFeature.STORAGE_CELLS ) ),
+
+	CARD_PATTERN_EXPANSION( 58, "material_card_pattern_expansion", EnumSet.of( AEFeature.ADVANCED_CARDS ) );
+
 
 	private final Set<AEFeature> features;
 	private final ModelResourceLocation model;

src/main/java/appeng/items/misc/ItemEncodedPattern.java

@@ -225,7 +225,7 @@ public class ItemEncodedPattern extends AEBaseItem implements ICraftingPatternIt
 
 		final ICraftingPatternDetails details = this.getPatternForItem( item, w );
 
-		out = details != null ? details.getOutputs()[0].createItemStack() : ItemStack.EMPTY;
+		out = details != null ? details.getCondensedOutputs()[0].createItemStack() : ItemStack.EMPTY;
 
 		SIMPLE_CACHE.put( item, out );
 		return out;

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

@@ -296,7 +296,7 @@ public class CraftingGridCache implements ICraftingGrid, ICraftingProviderHelper
 		// new craftables!
 		for( final ICraftingPatternDetails details : this.craftingMethods.keySet() )
 		{
-			for( IAEItemStack out : details.getOutputs() )
+			for( IAEItemStack out : details.getCondensedOutputs() )
 			{
 				out = out.copy();
 				out.reset();

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

@@ -505,7 +505,7 @@ public class EnergyGridCache implements IEnergyGrid
 	@Override
 	public double getStoredPower()
 	{
-		if( this.availableTicksSinceUpdate > 90 )
+		if( this.availableTicksSinceUpdate > 2 )
 		{
 			this.refreshPower();
 		}

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

@@ -23,6 +23,8 @@ import java.util.*;
 import java.util.Map.Entry;
 import java.util.stream.Collectors;
 
+import appeng.api.config.Upgrades;
+import appeng.helpers.DualityInterface;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableList;
 
@@ -492,22 +494,87 @@ public final class CraftingCPUCluster implements IAECluster, ICraftingCPU
 		return null;
 	}
 
-	private boolean canCraft( final ICraftingPatternDetails details, final IAEItemStack[] condensedInputs )
+	private boolean canCraft(final ICraftingPatternDetails details, final IAEItemStack[] condensedInputs)
 	{
-		for( IAEItemStack g : condensedInputs )
+		if( !details.isCraftable() )
 		{
+			// Processing patterns are relatively easy
+			for ( IAEItemStack input : condensedInputs )
+			{
+				final IAEItemStack ais = this.inventory.extractItems( input.copy(), Actionable.SIMULATE,
+						this.machineSrc );
 
-			if( details.isCraftable() )
+				if( ais == null || ais.getStackSize() < input.getStackSize() )
+				{
+					return false;
+				}
+			}
+		}
+		else if( details.canSubstitute() )
+		{
+			// When substitutions are allowed, we have to keep track of which items we've reserved
+			IAEItemStack[] inputs = details.getInputs();
+			Map<IAEItemStack, Integer> consumedCount = new HashMap<>();
+			for ( int i = 0; i < inputs.length; i++ )
+			{
+				List<IAEItemStack> substitutes = details.getSubstituteInputs( i );
+				if( substitutes.isEmpty() )
+				{
+					continue;
+				}
+
+				boolean found = false;
+				for ( IAEItemStack substitute : substitutes )
+				{
+					for ( IAEItemStack fuzz : this.inventory.getItemList().findFuzzy( substitute, FuzzyMode.IGNORE_ALL ) )
+					{
+						int alreadyConsumed = consumedCount.getOrDefault( fuzz, 0 );
+						if( fuzz.getStackSize() - alreadyConsumed <= 0 )
+						{
+							continue; // Already fully consumed by a previous slot of this recipe
+						}
+
+						fuzz = fuzz.copy();
+						fuzz.setStackSize( 1 ); // We're iterating over non condensed inputs which means there's 1 of each needed
+						final IAEItemStack ais = this.inventory.extractItems( fuzz, Actionable.SIMULATE,
+								this.machineSrc );
+
+						if( ais != null && ais.getStackSize() > 0 )
+						{
+							// Mark 1 of the stack as consumed
+							consumedCount.merge( fuzz, 1, Integer::sum );
+							found = true;
+							break;
+						}
+					}
+					if( found )
+					{
+						break;
+					}
+				}
+
+				if( !found )
+				{
+					return false;
+				}
+			}
+
+		}
+		else
+		{
+			// When no substitutions can occur, we can simply check that all items are accounted since
+			// each type of item should only occur once
+			for ( IAEItemStack g : condensedInputs )
 			{
 				boolean found = false;
 
-				for( IAEItemStack fuzz : this.inventory.getItemList().findFuzzy( g, FuzzyMode.IGNORE_ALL ) )
+				for ( IAEItemStack fuzz : this.inventory.getItemList().findFuzzy( g, FuzzyMode.IGNORE_ALL ) )
 				{
 					fuzz = fuzz.copy();
 					fuzz.setStackSize( g.getStackSize() );
 					final IAEItemStack ais = this.inventory.extractItems( fuzz, Actionable.SIMULATE, this.machineSrc );
 
-					if (ais != null && ais.getStackSize() == g.getStackSize())
+					if( ais != null && ais.getStackSize() >= g.getStackSize() )
 					{
 						found = true;
 						break;
@@ -524,15 +591,7 @@ public final class CraftingCPUCluster implements IAECluster, ICraftingCPU
 					return false;
 				}
 			}
-			else
-			{
-				final IAEItemStack ais = this.inventory.extractItems( g.copy(), Actionable.SIMULATE, this.machineSrc );
 
-				if (ais == null || ais.getStackSize() < g.getStackSize())
-				{
-					return false;
-				}
-			}
 		}
 
 		return true;
@@ -687,71 +746,67 @@ public final class CraftingCPUCluster implements IAECluster, ICraftingCPU
 							ic = new InventoryCrafting( new ContainerNull(), 3, 3 );
 							boolean found = false;
 
-							for( int x = 0; x < input.length; x++ )
-							{
-								if( input[x] != null )
-								{
+							for (int x = 0; x < input.length; x++) {
+								if (input[x] != null) {
 									found = false;
 
-									if( details.isCraftable() )
-									{
+									if (details.isCraftable()) {
 										final Collection<IAEItemStack> itemList;
 
-										if( details.canSubstitute() )
-										{
-											itemList = this.inventory.getItemList().findFuzzy( input[x], FuzzyMode.IGNORE_ALL );
-										}
-										else
-										{
-											itemList = new ArrayList<>( 1 );
+										if (details.canSubstitute()) {
+											final List<IAEItemStack> substitutes = details.getSubstituteInputs(x);
+											itemList = new ArrayList<>(substitutes.size());
 
-											final IAEItemStack item = this.inventory.getItemList().findPrecise( input[x] );
+											for (IAEItemStack stack : substitutes) {
+												itemList.addAll(this.inventory.getItemList().findFuzzy(stack,
+														FuzzyMode.IGNORE_ALL));
+											}
+										} else {
+											itemList = new ArrayList<>(1);
 
-											if( item != null )
-											{
-												itemList.add( item );
+											final IAEItemStack item = this.inventory.getItemList()
+													.findPrecise(input[x]);
+
+											if (item != null) {
+												itemList.add(item);
 											}
 										}
 
-										for( IAEItemStack fuzz : itemList )
-										{
+										for (IAEItemStack fuzz : itemList) {
 											fuzz = fuzz.copy();
-											fuzz.setStackSize( input[x].getStackSize() );
+											fuzz.setStackSize(input[x].getStackSize());
 
-											if( details.isValidItemForSlot( x, fuzz.createItemStack(), this.getWorld() ) )
-											{
-												final IAEItemStack ais = this.inventory.extractItems( fuzz, Actionable.MODULATE, this.machineSrc );
-												final ItemStack is = ais == null ? ItemStack.EMPTY : ais.createItemStack();
+											if (details.isValidItemForSlot(x, fuzz.createItemStack(),
+													this.getWorld())) {
+												final IAEItemStack ais = this.inventory.extractItems(fuzz,
+														Actionable.MODULATE, this.machineSrc);
+												final ItemStack is = ais == null ? ItemStack.EMPTY
+														: ais.createItemStack();
 
-												if( !is.isEmpty() )
-												{
-													this.postChange( AEItemStack.fromItemStack( is ), this.machineSrc );
-													ic.setInventorySlotContents( x, is );
+												if (!is.isEmpty()) {
+													this.postChange(AEItemStack.fromItemStack(is), this.machineSrc);
+													ic.setInventorySlotContents(x, is);
 													found = true;
 													break;
 												}
 											}
 										}
-									}
-									else
-									{
-										final IAEItemStack ais = this.inventory.extractItems( input[x].copy(), Actionable.MODULATE, this.machineSrc );
+									} else {
+										final IAEItemStack ais = this.inventory.extractItems(input[x].copy(),
+												Actionable.MODULATE, this.machineSrc);
 										final ItemStack is = ais == null ? ItemStack.EMPTY : ais.createItemStack();
 
-										if( !is.isEmpty() )
-										{
-											this.postChange( input[x], this.machineSrc );
-											ic.setInventorySlotContents( x, is );
-											if( is.getCount() == input[x].getStackSize() )
-											{
+										if (!is.isEmpty()) {
+											this.postChange(input[x], this.machineSrc);
+											ic.setInventorySlotContents(x, is);
+											if (is.getCount() == input[x].getStackSize()) {
 												found = true;
 												continue;
 											}
 										}
 									}
 
-									if( !found )
-									{
+									if (!found) {
 										break;
 									}
 								}

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

@@ -151,7 +151,7 @@ public abstract class AbstractCellInventory<T extends IAEStack<T>> implements IC
 		}
 
 		// clean any old crusty stuff...
-		for( ; x < oldStoredItems && x < this.maxItemTypes; x++ )
+		for( ; x >= oldStoredItems && x < this.maxItemTypes; x++ )
 		{
 			this.tagCompound.removeTag( ITEM_SLOT_KEYS[x] );
 			this.tagCompound.removeTag( ITEM_SLOT_COUNT_KEYS[x] );

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

@@ -19,10 +19,20 @@
 package appeng.parts.automation;
 
 
+import javax.annotation.Nonnull;
+import appeng.api.AEApi;
+import appeng.container.slot.SlotRestrictedInput;
+import appeng.core.Api;
+import appeng.helpers.DualityInterface;
+import appeng.util.inv.ItemHandlerIterator;
+import net.minecraft.client.Minecraft;
 import net.minecraft.init.Items;
+import net.minecraft.inventory.Slot;
 import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
+import net.minecraft.util.math.BlockPos;
+import net.minecraft.world.World;
 import net.minecraftforge.items.IItemHandler;
 
 import appeng.api.config.Upgrades;
@@ -33,6 +43,9 @@ import appeng.util.inv.IAEAppEngInventory;
 import appeng.util.inv.InvOperation;
 import appeng.util.inv.filter.IAEItemFilter;
 
+import java.util.ArrayList;
+import java.util.List;
+
 
 public abstract class UpgradeInventory extends AppEngInternalInventory implements IAEAppEngInventory
 {
@@ -45,6 +58,7 @@ public abstract class UpgradeInventory extends AppEngInternalInventory implement
 	private int capacityUpgrades = 0;
 	private int inverterUpgrades = 0;
 	private int craftingUpgrades = 0;
+	private int patternExpansionUpgrades = 0;
 
 	public UpgradeInventory( final IAEAppEngInventory parent, final int s )
 	{
@@ -81,6 +95,8 @@ public abstract class UpgradeInventory extends AppEngInternalInventory implement
 				return this.inverterUpgrades;
 			case CRAFTING:
 				return this.craftingUpgrades;
+			case PATTERN_EXPANSION:
+				return this.patternExpansionUpgrades;
 			default:
 				return 0;
 		}
@@ -91,7 +107,7 @@ public abstract class UpgradeInventory extends AppEngInternalInventory implement
 	private void updateUpgradeInfo()
 	{
 		this.cached = true;
-		this.inverterUpgrades = this.capacityUpgrades = this.redstoneUpgrades = this.speedUpgrades = this.fuzzyUpgrades = this.craftingUpgrades = 0;
+		this.patternExpansionUpgrades = this.inverterUpgrades = this.capacityUpgrades = this.redstoneUpgrades = this.speedUpgrades = this.fuzzyUpgrades = this.craftingUpgrades = 0;
 
 		for( final ItemStack is : this )
 		{
@@ -121,6 +137,9 @@ public abstract class UpgradeInventory extends AppEngInternalInventory implement
 				case CRAFTING:
 					this.craftingUpgrades++;
 					break;
+				case PATTERN_EXPANSION:
+					this.patternExpansionUpgrades++;
+					break;
 				default:
 					break;
 			}
@@ -132,6 +151,7 @@ public abstract class UpgradeInventory extends AppEngInternalInventory implement
 		this.speedUpgrades = Math.min( this.speedUpgrades, this.getMaxInstalled( Upgrades.SPEED ) );
 		this.inverterUpgrades = Math.min( this.inverterUpgrades, this.getMaxInstalled( Upgrades.INVERTER ) );
 		this.craftingUpgrades = Math.min( this.craftingUpgrades, this.getMaxInstalled( Upgrades.CRAFTING ) );
+		this.patternExpansionUpgrades = Math.min( this.patternExpansionUpgrades, this.getMaxInstalled( Upgrades.PATTERN_EXPANSION ) );
 	}
 
 	@Override
@@ -160,6 +180,13 @@ public abstract class UpgradeInventory extends AppEngInternalInventory implement
 		}
 	}
 
+	@Nonnull
+	@Override
+	public ItemStack extractItem( int slot, int amount, boolean simulate )
+	{
+		return super.extractItem( slot, amount, simulate );
+	}
+
 	private class UpgradeInvFilter implements IAEItemFilter
 	{
 

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.Actionable;
 import appeng.api.config.Settings;
@@ -35,20 +36,17 @@ import appeng.core.AELog;
 import appeng.me.GridAccessException;
 import appeng.me.helpers.IGridProxyable;
 import appeng.me.storage.ITickingMonitor;
-import appeng.util.Platform;
 import appeng.util.inv.ItemHandlerIterator;
 import appeng.util.inv.ItemSlot;
 import appeng.util.item.AEItemStack;
+import com.google.common.primitives.Ints;
 import it.unimi.dsi.fastutil.objects.Object2ObjectMap;
 import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
 import net.minecraft.item.ItemStack;
 import net.minecraftforge.items.IItemHandler;
-import org.apache.commons.lang3.tuple.Pair;
+import net.minecraftforge.items.ItemHandlerHelper;
 
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 
 
 /**
@@ -63,6 +61,8 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 	private final InventoryCache cache;
 	private StorageFilter mode;
 
+	private ItemStack stackCache = null;
+
 	ItemHandlerAdapter( IItemHandler itemHandler, IGridProxyable proxy )
 	{
 		this.itemHandler = itemHandler;
@@ -78,21 +78,28 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 	@Override
 	public IAEItemStack injectItems( IAEItemStack iox, Actionable type, IActionSource src )
 	{
+		// Try to reuse the cached stack
+		@Nullable ItemStack currentCached = stackCache;
+		stackCache = null;
 
-		ItemStack orgInput = iox.createItemStack();
-		ItemStack remaining = orgInput;
-
-		int slotCount = this.itemHandler.getSlots();
-		boolean simulate = ( type == Actionable.SIMULATE );
-
-		// This uses a brute force approach and tries to jam it in every slot the inventory exposes.
-		for( int i = 0; i < slotCount && !remaining.isEmpty(); i++ )
+		ItemStack orgInput;
+		if( currentCached != null && iox.isSameType( currentCached ) )
 		{
-			remaining = this.itemHandler.insertItem( i, remaining, simulate );
-			if( remaining.isEmpty() )
-			{
-				break;
-			}
+			// Cache is suitable, just update the count
+			orgInput = currentCached;
+			currentCached.setCount( Ints.saturatedCast( iox.getStackSize() ) );
+		}
+		else
+		{
+			// We need a new stack :-(
+			orgInput = iox.createItemStack();
+		}
+		ItemStack remaining = ItemHandlerHelper.insertItem( this.itemHandler, orgInput, type == Actionable.SIMULATE );
+
+		// Store the stack in the cache for next time.
+		if (!remaining.isEmpty() && remaining != orgInput)
+		{
+			stackCache = remaining;
 		}
 
 		// At this point, we still have some items left...
@@ -121,8 +128,7 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 	@Override
 	public IAEItemStack extractItems( IAEItemStack request, Actionable mode, IActionSource src )
 	{
-		ItemStack requestedItemStack = request.createItemStack();
-		int remainingSize = requestedItemStack.getCount();
+		int remainingSize = Ints.saturatedCast(request.getStackSize());
 
 		// Use this to gather the requested items
 		ItemStack gathered = ItemStack.EMPTY;
@@ -133,7 +139,7 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 		{
 			ItemStack stackInInventorySlot = this.itemHandler.getStackInSlot( i );
 
-			if( !Platform.itemComparisons().isSameItem( stackInInventorySlot, requestedItemStack ) )
+			if (!request.isSameType(stackInInventorySlot))
 			{
 				continue;
 			}
@@ -268,7 +274,7 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 
 	private static class InventoryCache implements Iterable<ItemSlot>
 	{
-		private IItemList<IAEItemStack> cachedAeStacks = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
+		private IAEItemStack[] cachedAeStacks = new IAEItemStack[0];
 		private final IItemHandler itemHandler;
 		private final StorageFilter mode;
 
@@ -280,7 +286,7 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 
 		public IItemList<IAEItemStack> getAvailableItems( IItemList<IAEItemStack> out )
 		{
-			this.cachedAeStacks.forEach( out::add );
+			Arrays.stream( this.cachedAeStacks ).forEach( out::add );
 			return out;
 		}
 
@@ -292,57 +298,90 @@ class ItemHandlerAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<IAE
 		public List<IAEItemStack> update()
 		{
 			final List<IAEItemStack> changes = new ArrayList<>();
+			final int slots = this.itemHandler.getSlots();
 
-			IItemList<IAEItemStack> storage = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
+			// Make room for new slots
+			if( slots > this.cachedAeStacks.length )
+			{
+				this.cachedAeStacks = Arrays.copyOf( this.cachedAeStacks, slots );
+			}
 
 			for( final ItemSlot is : this )
 			{
-				final ItemStack stackInSlot = !is.isExtractable() && this.getMode() == StorageFilter.EXTRACTABLE_ONLY ? ItemStack.EMPTY : is.getItemStack();
-				if( !stackInSlot.isEmpty() )
-				{
-					storage.add( AEItemStack.fromItemStack( stackInSlot ) );
-				}
-			}
+				// Save the old stuff
+				final IAEItemStack oldAeIS = this.cachedAeStacks[is.getSlot()];
+				final ItemStack newIS = !is.isExtractable() && this.getMode() == StorageFilter.EXTRACTABLE_ONLY ? ItemStack.EMPTY : is.getItemStack();
 
-			Iterator<IAEItemStack> cachedAeStacksIterator = cachedAeStacks.iterator();
-			while ( cachedAeStacksIterator.hasNext() )
-			{
-				IAEItemStack cachedStack = cachedAeStacksIterator.next();
-				IAEItemStack storedStack = storage.findPrecise( cachedStack );
-				if( storedStack == null )
-				{
-					changes.add( cachedStack.setStackSize( -cachedStack.getStackSize() ) );
-				}
-				else if( cachedStack.getStackSize() != storedStack.getStackSize() )
-				{
-					handleStackSizeChanged( cachedStack, storedStack, changes );
-				}
+				this.handlePossibleSlotChanges( is.getSlot(), oldAeIS, newIS, changes );
 			}
-
-			for( IAEItemStack storedStack : storage )
+			// Handle cases where the number of slots actually is lower now than before
+			if( slots < this.cachedAeStacks.length )
 			{
-				if( cachedAeStacks.findPrecise( storedStack ) == null )
+				for( int slot = slots; slot < this.cachedAeStacks.length; slot++ )
 				{
-					cachedAeStacks.add( storedStack );
-					changes.add( storedStack.copy() );
+					final IAEItemStack aeStack = this.cachedAeStacks[slot];
+
+					if( aeStack != null )
+					{
+						final IAEItemStack a = aeStack.copy();
+						a.setStackSize( -a.getStackSize() );
+						changes.add( a );
+					}
 				}
+
+				// Reduce the cache size
+				this.cachedAeStacks = Arrays.copyOf( this.cachedAeStacks, slots );
 			}
 
 			return changes;
 		}
 
-		private void handleStackSizeChanged( IAEItemStack cachedStack, IAEItemStack storedStack, List<IAEItemStack> changes )
+		private void handlePossibleSlotChanges( int slot, IAEItemStack oldAeIS, ItemStack newIS, List<IAEItemStack> changes )
+		{
+			if( oldAeIS != null && oldAeIS.isSameType( newIS ) )
+			{
+				this.handleStackSizeChanged( slot, oldAeIS, newIS, changes );
+			}
+			else
+			{
+				this.handleItemChanged( slot, oldAeIS, newIS, changes );
+			}
+		}
+
+		private void handleStackSizeChanged( int slot, IAEItemStack oldAeIS, ItemStack newIS, List<IAEItemStack> changes )
 		{
 			// Still the same item, but amount might have changed
-			final long diff = storedStack.getStackSize() - cachedStack.getStackSize();
+			final long diff = newIS.getCount() - oldAeIS.getStackSize();
 
 			if( diff != 0 )
 			{
-				cachedStack.setStackSize( storedStack.getStackSize() );
+				final IAEItemStack stack = oldAeIS.copy();
+				stack.setStackSize( newIS.getCount() );
 
-				final IAEItemStack diffStack = cachedStack.copy();
-				diffStack.setStackSize( diff );
-				changes.add( diffStack );
+				this.cachedAeStacks[slot] = stack;
+
+				final IAEItemStack a = stack.copy();
+				a.setStackSize( diff );
+				changes.add( a );
+			}
+		}
+
+		private void handleItemChanged( int slot, IAEItemStack oldAeIS, ItemStack newIS, List<IAEItemStack> changes )
+		{
+			// Completely different item
+			this.cachedAeStacks[slot] = AEItemStack.fromItemStack( newIS );
+
+			// If we had a stack previously in this slot, notify the network about its disappearance
+			if( oldAeIS != null )
+			{
+				oldAeIS.setStackSize( -oldAeIS.getStackSize() );
+				changes.add( oldAeIS );
+			}
+
+			// Notify the network about the new stack. Note that this is null if newIS was null
+			if( this.cachedAeStacks[slot] != null )
+			{
+				changes.add( this.cachedAeStacks[slot] );
 			}
 		}
 

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

@@ -1,5 +1,6 @@
 package appeng.parts.misc;
 
+import javax.annotation.Nullable;
 import appeng.api.AEApi;
 import appeng.api.config.Actionable;
 import appeng.api.networking.security.IActionSource;
@@ -16,15 +17,15 @@ import appeng.me.GridAccessException;
 import appeng.me.helpers.IGridProxyable;
 import appeng.me.storage.ITickingMonitor;
 import appeng.util.item.AEItemStack;
+import com.google.common.primitives.Ints;
 import com.jaquadro.minecraft.storagedrawers.api.capabilities.IItemRepository;
 import it.unimi.dsi.fastutil.objects.Object2ObjectMap;
 import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
 import net.minecraft.item.ItemStack;
 
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
+import java.util.stream.Collectors;
+
 
 /**
  * Wraps an Item Repository in such a way that it can be used as an IMEInventory for items.
@@ -39,6 +40,7 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
     private final IGridProxyable proxyable;
     private final InventoryCache cache;
 
+    private ItemStack stackCache;
 
     ItemRepositoryAdapter( IItemRepository itemRepository, IGridProxyable proxy )
     {
@@ -50,12 +52,29 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
     @Override
     public IAEItemStack injectItems( IAEItemStack iox, Actionable type, IActionSource src )
     {
-        ItemStack orgInput = iox.createItemStack();
-        ItemStack remaining = orgInput;
+        // Try to reuse the cached stack
+        @Nullable ItemStack currentCached = stackCache;
+        stackCache = null;
 
-        boolean simulate = ( type == Actionable.SIMULATE );
+        ItemStack orgInput;
+        if( currentCached != null && iox.isSameType( currentCached ) )
+        {
+            // Cache is suitable, just update the count
+            orgInput = currentCached;
+            currentCached.setCount( Ints.saturatedCast( iox.getStackSize() ) );
+        }
+        else
+        {
+            // We need a new stack :-(
+            orgInput = iox.createItemStack();
+        }
+        ItemStack remaining = this.itemRepository.insertItem( orgInput, type == Actionable.SIMULATE );
 
-        remaining = this.itemRepository.insertItem( remaining, simulate );
+        // Store the stack in the cache for next time.
+        if (!remaining.isEmpty() && remaining != orgInput)
+        {
+            stackCache = remaining;
+        }
 
         // At this point, we still have some items left...
         if( remaining == orgInput )
@@ -83,12 +102,11 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
     @Override
     public IAEItemStack extractItems( IAEItemStack request, Actionable mode, IActionSource src )
     {
-        ItemStack requestedItemStack = request.getDefinition();
-        int remainingSize = (int) Math.min( Integer.MAX_VALUE, request.getStackSize() );
+        int remainingSize = Ints.saturatedCast(request.getStackSize());
 
         final boolean simulate = ( mode == Actionable.SIMULATE );
 
-        ItemStack extracted = this.itemRepository.extractItem( requestedItemStack, remainingSize, simulate );
+        ItemStack extracted = this.itemRepository.extractItem( request.getDefinition(), remainingSize, simulate );
 
         if( extracted.getCount() > remainingSize )
         {
@@ -184,7 +202,7 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
 
     private static class InventoryCache
     {
-        private IItemList<IAEItemStack> cachedAeStacks = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
+        private IAEItemStack[] cachedAeStacks = new IAEItemStack[0];
         private final IItemRepository iItemRepository;
 
         public InventoryCache( IItemRepository iItemRepository )
@@ -194,7 +212,7 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
 
         public IItemList<IAEItemStack> getAvailableItems( IItemList<IAEItemStack> out )
         {
-            this.cachedAeStacks.forEach( out::add );
+            Arrays.stream( this.cachedAeStacks ).forEach( out::add );
             return out;
         }
 
@@ -202,49 +220,93 @@ class ItemRepositoryAdapter implements IMEInventory<IAEItemStack>, IBaseMonitor<
         {
             final List<IAEItemStack> changes = new ArrayList<>();
 
-            IItemList<IAEItemStack> storage = AEApi.instance().storage().getStorageChannel( IItemStorageChannel.class ).createList();
-            this.iItemRepository.getAllItems().stream().map( s -> AEItemStack.fromItemStack( s.itemPrototype ).setStackSize( s.count ) ).forEach( storage::add );
+            List<IAEItemStack> out = this.iItemRepository.getAllItems().stream().map( s -> AEItemStack.fromItemStack( s.itemPrototype ).setStackSize( s.count ) ).collect( Collectors.toList() );
 
-            Iterator<IAEItemStack> cachedAeStacksIterator = cachedAeStacks.iterator();
-            while ( cachedAeStacksIterator.hasNext() )
+            final int size = out.size();
+
+            // Make room for new slots
+            if( size > this.cachedAeStacks.length )
             {
-                IAEItemStack cachedStack = cachedAeStacksIterator.next();
-                IAEItemStack storedStack = storage.findPrecise( cachedStack );
-                if( storedStack == null )
-                {
-                    changes.add( cachedStack.setStackSize( -cachedStack.getStackSize() ) );
-                    cachedAeStacksIterator.remove();
-                }
-                else if( cachedStack.getStackSize() != storedStack.getStackSize() )
-                {
-                    handleStackSizeChanged( cachedStack, storedStack, changes );
-                }
+                this.cachedAeStacks = Arrays.copyOf( this.cachedAeStacks, size );
             }
 
-            for( IAEItemStack storedStack : storage )
+            for( int x = 0; x < size; x++ )
             {
-                if( cachedAeStacks.findPrecise( storedStack ) == null )
+                // Save the old stuff
+                final IAEItemStack oldAeIS = this.cachedAeStacks[x];
+                final IAEItemStack newIS = out.get( x );
+
+                this.handlePossibleSlotChanges( x, oldAeIS, newIS, changes );
+            }
+
+            // Handle cases where the number of slots actually is lower now than before
+            if( size < this.cachedAeStacks.length )
+            {
+                for( int x = 0; x < this.cachedAeStacks.length; x++ )
                 {
-                    cachedAeStacks.add( storedStack );
-                    changes.add( storedStack.copy() );
+                    final IAEItemStack aeStack = this.cachedAeStacks[x];
+
+                    if( aeStack != null )
+                    {
+                        final IAEItemStack a = aeStack.copy();
+                        a.setStackSize( -a.getStackSize() );
+                        changes.add( a );
+                    }
                 }
+
+                // Reduce the cache size
+                this.cachedAeStacks = Arrays.copyOf( this.cachedAeStacks, size );
             }
 
             return changes;
         }
 
-        private void handleStackSizeChanged( IAEItemStack cachedStack, IAEItemStack storedStack, List<IAEItemStack> changes )
+        private void handlePossibleSlotChanges( int slot, IAEItemStack oldAeIS, IAEItemStack newIS, List<IAEItemStack> changes )
+        {
+            if( oldAeIS != null && oldAeIS.isSameType( newIS ) )
+            {
+                this.handleStackSizeChanged( slot, oldAeIS, newIS, changes );
+            }
+            else
+            {
+                this.handleItemChanged( slot, oldAeIS, newIS, changes );
+            }
+        }
+
+        private void handleStackSizeChanged( int slot, IAEItemStack oldAeIS, IAEItemStack newIS, List<IAEItemStack> changes )
         {
             // Still the same item, but amount might have changed
-            final long diff = storedStack.getStackSize() - cachedStack.getStackSize();
+            final long diff = newIS.getStackSize() - oldAeIS.getStackSize();
 
             if( diff != 0 )
             {
-                cachedStack.setStackSize( storedStack.getStackSize() );
+                final IAEItemStack stack = oldAeIS.copy();
+                stack.setStackSize( newIS.getStackSize() );
 
-                final IAEItemStack diffStack = cachedStack.copy();
-                diffStack.setStackSize( diff );
-                changes.add( diffStack );
+                this.cachedAeStacks[slot] = stack;
+
+                final IAEItemStack a = stack.copy();
+                a.setStackSize( diff );
+                changes.add( a );
+            }
+        }
+
+        private void handleItemChanged( int slot, IAEItemStack oldAeIS, IAEItemStack newIS, List<IAEItemStack> changes )
+        {
+            // Completely different item
+            this.cachedAeStacks[slot] =  newIS ;
+
+            // If we had a stack previously in this slot, notify the network about its disappearance
+            if( oldAeIS != null )
+            {
+                oldAeIS.setStackSize( -oldAeIS.getStackSize() );
+                changes.add( oldAeIS );
+            }
+
+            // Notify the network about the new stack. Note that this is null if newIS was null
+            if( this.cachedAeStacks[slot] != null )
+            {
+                changes.add( this.cachedAeStacks[slot] );
             }
         }
 

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

@@ -206,7 +206,7 @@ public class AppEngInternalInventory extends ItemStackHandler implements Iterabl
 		this.enableClientEvents = enableClientEvents;
 	}
 
-	private IAEAppEngInventory getTileEntity()
+	public IAEAppEngInventory getTileEntity()
 	{
 		return this.te;
 	}

src/main/java/appeng/tile/misc/TileInterface.java

@@ -164,6 +164,7 @@ public class TileInterface extends AENetworkInvTile implements IGridTickable, II
 
 		super.onReady();
 		this.duality.initialize();
+		this.getProxy().setIdlePowerUsage( Math.pow( 4, ( this.getInstalledUpgrades( Upgrades.PATTERN_EXPANSION ) ) ) );
 	}
 
 	@Override

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

@@ -1246,18 +1246,20 @@ public class Platform
 				if( itemToAdd < input.getStackSize() )
 				{
 					final long original = input.getStackSize();
+					final T leftover = input.copy();
 					final T split = input.copy();
-					split.decStackSize( itemToAdd );
-					input.setStackSize( itemToAdd );
-					split.add( cell.injectItems( input, 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 - split.getStackSize();
+						final long diff = original - leftover.getStackSize();
 						Stats.ItemsInserted.addToPlayer( player, (int) diff );
 					} );
 
-					return split;
+					return leftover;
 				}
 
 				final T ret = cell.injectItems( input, Actionable.MODULATE, src );

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

@@ -52,7 +52,7 @@ public class ItemHandlerIterator implements Iterator<ItemSlot>
 		{
 			throw new NoSuchElementException();
 		}
-		this.itemSlot.setExtractable( !this.itemHandler.extractItem( this.slot, 1, true ).isEmpty() );
+		this.itemSlot.setExtractable( !this.itemHandler.extractItem( this.slot, Integer.MAX_VALUE, true ).isEmpty() );
 		this.itemSlot.setItemStack( this.itemHandler.getStackInSlot( this.slot ) );
 		this.itemSlot.setSlot( this.slot );
 		this.slot++;

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

@@ -79,17 +79,21 @@ public final class AEItemStack extends AEStack<IAEItemStack> implements IAEItemS
         return new AEItemStack(AEItemStackRegistry.getRegisteredStack(stack), stack.getCount());
     }
 
-    public static IAEItemStack fromNBT(final NBTTagCompound i) {
-        if (i == null) {
+    public static IAEItemStack fromNBT( final NBTTagCompound i )
+    {
+        if( i == null )
+        {
             return null;
         }
 
-        final ItemStack itemstack = new ItemStack(i);
-        final AEItemStack item = AEItemStack.fromItemStack(itemstack);
-        if (item == null) {
+        final ItemStack itemstack = new ItemStack( i );
+        if( itemstack.isEmpty() )
+        {
             return null;
         }
 
+        final AEItemStack item = AEItemStack.fromItemStack( itemstack );
+
         item.setStackSize(i.getLong(NBT_STACKSIZE));
         item.setCountRequestable(i.getLong(NBT_REQUESTABLE));
         item.setCraftable(i.getBoolean(NBT_CRAFTABLE));
@@ -98,8 +102,7 @@ public final class AEItemStack extends AEStack<IAEItemStack> implements IAEItemS
 
     @Override
     public void writeToNBT(final NBTTagCompound i) {
-        final NBTTagCompound itemStack = new NBTTagCompound();
-        this.getDefinition().writeToNBT(itemStack);
+        this.getDefinition().writeToNBT( i );
 
         i.setLong(NBT_STACKSIZE, this.getStackSize());
         i.setLong(NBT_REQUESTABLE, this.getCountRequestable());

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

@@ -22,8 +22,10 @@ import java.util.Collection;
 import java.util.Comparator;
 import java.util.Map;
 
+import appeng.util.Platform;
 import com.google.common.base.Preconditions;
 
+import gregtech.common.items.MetaTool;
 import net.minecraft.item.ItemStack;
 
 import it.unimi.dsi.fastutil.objects.Object2ObjectAVLTreeMap;
@@ -146,7 +148,7 @@ class FuzzyItemVariantList extends ItemVariantList {
      */
     static ItemDamageBound makeLowerBound(final ItemStack stack, final FuzzyMode fuzzy)
     {
-        Preconditions.checkState( stack.getItem().isDamageable(), "Item#isDamageable() has to be true" );
+        Preconditions.checkState( stack.getItem().isDamageable() , "Item#isDamageable() has to be true" );
 
         int damage;
         if( fuzzy == FuzzyMode.IGNORE_ALL )
@@ -174,7 +176,7 @@ class FuzzyItemVariantList extends ItemVariantList {
      * 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");
+        Preconditions.checkState(stack.getItem().isDamageable() , "Item#isDamageable() has to be true");
 
         int damage;
         if (fuzzy == FuzzyMode.IGNORE_ALL) {

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

@@ -25,6 +25,8 @@ import java.util.Iterator;
 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;
@@ -149,7 +151,7 @@ public final class ItemList implements IItemList<IAEItemStack> {
     }
 
     private ItemVariantList makeRecordMap(Item item) {
-        if (item.isDamageable()) {
+        if (item.isDamageable() ) {
             return new FuzzyItemVariantList();
         } else {
             return new NormalItemVariantList();

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

@@ -450,6 +450,7 @@ item.appliedenergistics2.material.basic_card.name=Basic Card
 item.appliedenergistics2.material.blank_pattern.name=Blank Pattern
 item.appliedenergistics2.material.calculation_processor.name=Calculation Processor
 item.appliedenergistics2.material.card_capacity.name=Capacity Card
+item.appliedenergistics2.material.card_pattern_expansion.name=Pattern Expansion Card
 item.appliedenergistics2.material.card_fuzzy.name=Fuzzy Card
 item.appliedenergistics2.material.card_inverter.name=Inverter Card
 item.appliedenergistics2.material.card_redstone.name=Redstone Card

src/main/resources/assets/appliedenergistics2/models/item/material_card_pattern_expansion.json

@@ -0,0 +1,6 @@
+{
+  "parent": "item/generated",
+  "textures": {
+    "layer0": "appliedenergistics2:items/material_card_pattern_expansion"
+  }
+}

src/main/resources/assets/appliedenergistics2/recipes/materials/cardpatternexpansion.json

@@ -0,0 +1,49 @@
+{
+    "conditions": [
+        {
+            "type": "forge:and",
+            "values": [
+                {
+                    "type": "appliedenergistics2:material_exists",
+                    "material": "material.card_capacity"
+                },
+                {
+                    "type": "appliedenergistics2:material_exists",
+                    "material": "material.basic_card"
+                }
+            ]
+        }
+    ],
+    "result": {
+        "type": "appliedenergistics2:part",
+        "part": "material.card_pattern_expansion"
+    },
+    "type": "appliedenergistics2:part_shaped",
+    "pattern": [
+        "ci"
+    ],
+    "ingredients": [
+        {
+            "type": "appliedenergistics2:part",
+        	"part": "material.advanced_card"
+        },
+        {
+			"key": "#"
+        }
+    ],
+    "key": {
+    "i": [
+        {
+			"item": "appliedenergistics2:interface"
+        },
+        {
+        	"type": "appliedenergistics2:part",
+        	"part": "part.interface"
+        }],
+        "c": {
+            "type": "appliedenergistics2:part",
+        	"part": "material.advanced_card"
+       }
+    
+  }
+}