Fix craftable items having stack size 0

src/main/java/com/raoulvdberge/refinedstorage/RSUtils.java

@@ -59,13 +59,14 @@ public final class RSUtils {
         QUANTITY_FORMATTER.setRoundingMode(RoundingMode.DOWN);
     }
 
-    public static void writeItemStack(ByteBuf buf, INetworkMaster network, ItemStack stack) {
+    public static void writeItemStack(ByteBuf buf, INetworkMaster network, ItemStack stack, boolean outputFromPattern) {
         buf.writeInt(Item.getIdFromItem(stack.getItem()));
         buf.writeInt(stack.getCount());
         buf.writeInt(stack.getItemDamage());
         ByteBufUtils.writeTag(buf, stack.getItem().getNBTShareTag(stack));
         buf.writeInt(API.instance().getItemStackHashCode(stack));
         buf.writeBoolean(network.hasPattern(stack));
+        buf.writeBoolean(outputFromPattern);
     }
 
     public static void writeFluidStack(ByteBuf buf, FluidStack stack) {

src/main/java/com/raoulvdberge/refinedstorage/apiimpl/storage/item/ItemStorageCache.java

@@ -1,6 +1,5 @@
 package com.raoulvdberge.refinedstorage.apiimpl.storage.item;
 
-import com.raoulvdberge.refinedstorage.api.autocrafting.ICraftingPattern;
 import com.raoulvdberge.refinedstorage.api.network.INetworkMaster;
 import com.raoulvdberge.refinedstorage.api.storage.AccessType;
 import com.raoulvdberge.refinedstorage.api.storage.item.IItemStorage;
@@ -39,20 +38,12 @@ public class ItemStorageCache implements IItemStorageCache {
             }
 
             for (ItemStack stack : storage.getStacks()) {
-                if (stack != null) {
+                if (!stack.isEmpty()) {
                     add(stack, stack.getCount(), true);
                 }
             }
         }
 
-        for (ICraftingPattern pattern : network.getPatterns()) {
-            for (ItemStack output : pattern.getOutputs()) {
-                ItemStack patternStack = output.copy();
-                patternStack.setCount(0);
-                add(patternStack, patternStack.getCount(), true);
-            }
-        }
-
         network.sendItemStorageToClient();
     }
 
@@ -67,7 +58,7 @@ public class ItemStorageCache implements IItemStorageCache {
 
     @Override
     public synchronized void remove(@Nonnull ItemStack stack, int size) {
-        if (list.remove(stack, size, !network.hasPattern(stack))) {
+        if (list.remove(stack, size, true)) {
             network.sendItemStorageDeltaToClient(stack, -size);
         }
     }

src/main/java/com/raoulvdberge/refinedstorage/apiimpl/util/ItemStackList.java

@@ -39,7 +39,7 @@ public class ItemStackList implements IItemStackList {
     @Override
     public boolean remove(@Nonnull ItemStack stack, int size, boolean removeIfReachedZero) {
         for (ItemStack otherStack : stacks.get(stack.getItem())) {
-            if (otherStack.getCount() > 0 && API.instance().getComparer().isEqualNoQuantity(otherStack, stack)) {
+            if (API.instance().getComparer().isEqualNoQuantity(otherStack, stack)) {
                 if (otherStack.getCount() - size <= 0 && removeIfReachedZero) {
                     stacks.remove(otherStack.getItem(), otherStack);
                 } else {
@@ -56,7 +56,7 @@ public class ItemStackList implements IItemStackList {
     @Override
     public boolean trackedRemove(@Nonnull ItemStack stack, int size, boolean removeIfReachedZero) {
         for (ItemStack otherStack : stacks.get(stack.getItem())) {
-            if (otherStack.getCount() > 0 && API.instance().getComparer().isEqualNoQuantity(otherStack, stack)) {
+            if (API.instance().getComparer().isEqualNoQuantity(otherStack, stack)) {
                 ItemStack removed = ItemHandlerHelper.copyStackWithSize(otherStack, Math.min(size, otherStack.getCount()));
                 this.removeTracker.add(removed);
 
@@ -91,7 +91,7 @@ public class ItemStackList implements IItemStackList {
     public ItemStack get(@Nonnull ItemStack stack, int flags) {
         // When the oredict flag is set all stacks need to be checked not just the ones matching the item
         for (ItemStack otherStack : (flags & IComparer.COMPARE_OREDICT) == IComparer.COMPARE_OREDICT ? stacks.values() : stacks.get(stack.getItem())) {
-            if (otherStack.getCount() > 0 && API.instance().getComparer().isEqual(otherStack, stack, flags)) {
+            if (API.instance().getComparer().isEqual(otherStack, stack, flags)) {
                 return otherStack;
             }
         }

src/main/java/com/raoulvdberge/refinedstorage/gui/grid/GuiGrid.java

@@ -369,7 +369,7 @@ public class GuiGrid extends GuiBase {
                 if (grid.getType() != EnumGridType.FLUID && (held.isEmpty() || (!held.isEmpty() && clickedButton == 2))) {
                     ClientStackItem stack = (ClientStackItem) STACKS.get(slotNumber);
 
-                    if (stack.isCraftable() && (stack.getQuantity() == 0 || (GuiScreen.isShiftKeyDown() && GuiScreen.isCtrlKeyDown()))) {
+                    if (stack.isCraftable() && (stack.isOutputFromPattern() || (GuiScreen.isShiftKeyDown() && GuiScreen.isCtrlKeyDown()))) {
                         FMLCommonHandler.instance().showGuiScreen(new GuiCraftingStart(this, container.getPlayer(), stack));
                     } else {
                         int flags = 0;

src/main/java/com/raoulvdberge/refinedstorage/gui/grid/stack/ClientStackItem.java

@@ -17,12 +17,14 @@ public class ClientStackItem implements IClientStack {
     private int hash;
     private ItemStack stack;
     private boolean craftable;
+    private boolean outputFromPattern;
 
     public ClientStackItem(ByteBuf buf) {
         stack = new ItemStack(Item.getItemById(buf.readInt()), buf.readInt(), buf.readInt());
         stack.setTagCompound(ByteBufUtils.readTag(buf));
         hash = buf.readInt();
         craftable = buf.readBoolean();
+        setOutputFromPattern(buf.readBoolean());
     }
 
     public ItemStack getStack() {
@@ -33,6 +35,18 @@ public class ClientStackItem implements IClientStack {
         return craftable;
     }
 
+    public boolean isOutputFromPattern() {
+        return outputFromPattern;
+    }
+
+    public void setOutputFromPattern(boolean outputFromPattern) {
+        this.outputFromPattern = outputFromPattern;
+
+        if (outputFromPattern) {
+            stack.setCount(1);
+        }
+    }
+
     @Override
     public int getHash() {
         return hash;
@@ -72,12 +86,12 @@ public class ClientStackItem implements IClientStack {
     private String getQuantityForDisplay(boolean advanced) {
         int qty = stack.getCount();
 
-        if (advanced && qty > 1) {
+        if (outputFromPattern) {
+            return I18n.format("gui.refinedstorage:grid.craft");
+        } else if (advanced && qty > 1) {
             return String.valueOf(qty);
         } else if (qty == 1) {
             return null;
-        } else if (qty == 0) {
-            return I18n.format("gui.refinedstorage:grid.craft");
         }
 
         return RSUtils.formatQuantity(qty);

src/main/java/com/raoulvdberge/refinedstorage/network/MessageGridItemDelta.java

@@ -35,7 +35,7 @@ public class MessageGridItemDelta implements IMessage, IMessageHandler<MessageGr
 
     @Override
     public void toBytes(ByteBuf buf) {
-        RSUtils.writeItemStack(buf, network, stack);
+        RSUtils.writeItemStack(buf, network, stack, false);
         buf.writeInt(delta);
     }
 
@@ -45,10 +45,15 @@ public class MessageGridItemDelta implements IMessage, IMessageHandler<MessageGr
 
         for (ClientStackItem stack : GuiGrid.ITEMS.get(item)) {
             if (stack.equals(message.clientStack)) {
-                if (stack.getStack().getCount() + message.delta == 0 && !message.clientStack.isCraftable()) {
+                if (stack.getStack().getCount() + message.delta == 0) {
-                    GuiGrid.ITEMS.remove(item, stack);
+                    if (message.clientStack.isCraftable()) {
+                        stack.setOutputFromPattern(true);
                     } else {
-                    stack.getStack().grow(message.delta);
+                        GuiGrid.ITEMS.remove(item, stack);
+                    }
+                } else {
+                    stack.getStack().grow(message.delta - (stack.isOutputFromPattern() ? 1 : 0));
+                    stack.setOutputFromPattern(false);
                 }
 
                 GuiGrid.markForSorting();

src/main/java/com/raoulvdberge/refinedstorage/network/MessageGridItemUpdate.java

@@ -1,7 +1,9 @@
 package com.raoulvdberge.refinedstorage.network;
 
 import com.raoulvdberge.refinedstorage.RSUtils;
+import com.raoulvdberge.refinedstorage.api.autocrafting.ICraftingPattern;
 import com.raoulvdberge.refinedstorage.api.network.INetworkMaster;
+import com.raoulvdberge.refinedstorage.apiimpl.API;
 import com.raoulvdberge.refinedstorage.gui.grid.GuiGrid;
 import com.raoulvdberge.refinedstorage.gui.grid.stack.ClientStackItem;
 import io.netty.buffer.ByteBuf;
@@ -28,7 +30,7 @@ public class MessageGridItemUpdate implements IMessage, IMessageHandler<MessageG
     public void fromBytes(ByteBuf buf) {
         int items = buf.readInt();
 
-        for (int i = 0; i < items; ++i) {
+        for (int i = 0; i < items + 1; ++i) {
             this.stacks.add(new ClientStackItem(buf));
         }
     }
@@ -38,7 +40,15 @@ public class MessageGridItemUpdate implements IMessage, IMessageHandler<MessageG
         buf.writeInt(network.getItemStorageCache().getList().getStacks().size());
 
         for (ItemStack stack : network.getItemStorageCache().getList().getStacks()) {
-            RSUtils.writeItemStack(buf, network, stack);
+            RSUtils.writeItemStack(buf, network, stack, false);
+        }
+
+        for (ICraftingPattern pattern : network.getPatterns()) {
+            for (ItemStack output : pattern.getOutputs()) {
+                if (output != null) {
+                    RSUtils.writeItemStack(buf, network, output, true);
+                }
+            }
         }
     }
 
@@ -47,8 +57,23 @@ public class MessageGridItemUpdate implements IMessage, IMessageHandler<MessageG
         GuiGrid.ITEMS.clear();
 
         for (ClientStackItem item : message.stacks) {
+            boolean canAdd = true;
+
+            if (item.isOutputFromPattern()) {
+                // This is an output from a pattern being sent. Only add it if it hasn't been added before.
+                for (ClientStackItem otherItem : GuiGrid.ITEMS.get(item.getStack().getItem())) {
+                    if (API.instance().getComparer().isEqualNoQuantity(item.getStack(), otherItem.getStack())) {
+                        canAdd = false;
+
+                        break;
+                    }
+                }
+            }
+
+            if (canAdd) {
                 GuiGrid.ITEMS.put(item.getStack().getItem(), item);
             }
+        }
 
         GuiGrid.markForSorting();