Optimize stonecutter button code

connector/src/main/java/org/geysermc/connector/inventory/FurnaceInventory.java

@@ -1,41 +0,0 @@
-/*
- * Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
- *
- *  Permission is hereby granted, free of charge, to any person obtaining a copy
- *  of this software and associated documentation files (the "Software"), to deal
- *  in the Software without restriction, including without limitation the rights
- *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- *  copies of the Software, and to permit persons to whom the Software is
- *  furnished to do so, subject to the following conditions:
- *
- *  The above copyright notice and this permission notice shall be included in
- *  all copies or substantial portions of the Software.
- *
- *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- *  THE SOFTWARE.
- *
- *  @author GeyserMC
- *  @link https://github.com/GeyserMC/Geyser
- *
- */
-
-package org.geysermc.connector.inventory;
-
-import lombok.Getter;
-import lombok.Setter;
-
-//TODO: Figure out what this is and if we should remove it
-@Getter
-public class FurnaceInventory extends Inventory {
-    @Setter
-    private int test;
-
-    public FurnaceInventory(String title, int id, int size) {
-        super(title, id, size);
-    }
-}

connector/src/main/java/org/geysermc/connector/inventory/StonecutterContainer.java

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2019-2020 GeyserMC. http://geysermc.org
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * @author GeyserMC
+ * @link https://github.com/GeyserMC/Geyser
+ */
+
+package org.geysermc.connector.inventory;
+
+import lombok.Getter;
+import lombok.NonNull;
+import lombok.Setter;
+import org.geysermc.connector.network.session.GeyserSession;
+
+public class StonecutterContainer extends Container {
+    /**
+     * The button that has currently been pressed Java-side
+     */
+    @Getter
+    @Setter
+    private int stonecutterButton = -1;
+
+    public StonecutterContainer(String title, int id, int size, PlayerInventory playerInventory) {
+        super(title, id, size, playerInventory);
+    }
+
+    @Override
+    public void setItem(int slot, @NonNull GeyserItemStack newItem, GeyserSession session) {
+        if (slot == 0 && newItem.getJavaId() != items[slot].getJavaId()) {
+            // The pressed stonecutter button output resets whenever the input item changes
+            this.stonecutterButton = -1;
+        }
+        super.setItem(slot, newItem, session);
+    }
+}

connector/src/main/java/org/geysermc/connector/network/translators/inventory/translators/StonecutterInventoryTranslator.java

@@ -26,6 +26,7 @@
 package org.geysermc.connector.network.translators.inventory.translators;
 
 import com.github.steveice10.mc.protocol.data.game.entity.metadata.ItemStack;
+import com.github.steveice10.mc.protocol.data.game.window.WindowType;
 import com.github.steveice10.mc.protocol.packet.ingame.client.window.ClientClickWindowButtonPacket;
 import com.nukkitx.protocol.bedrock.data.inventory.ContainerSlotType;
 import com.nukkitx.protocol.bedrock.data.inventory.ContainerType;
@@ -38,6 +39,8 @@ import com.nukkitx.protocol.bedrock.packet.ItemStackResponsePacket;
 import it.unimi.dsi.fastutil.ints.IntList;
 import org.geysermc.connector.inventory.GeyserItemStack;
 import org.geysermc.connector.inventory.Inventory;
+import org.geysermc.connector.inventory.PlayerInventory;
+import org.geysermc.connector.inventory.StonecutterContainer;
 import org.geysermc.connector.network.session.GeyserSession;
 import org.geysermc.connector.network.translators.inventory.BedrockContainerSlot;
 import org.geysermc.connector.network.translators.inventory.SlotType;
@@ -57,12 +60,12 @@ public class StonecutterInventoryTranslator extends AbstractBlockInventoryTransl
     @Override
     public ItemStackResponsePacket.Response translateSpecialRequest(GeyserSession session, Inventory inventory, ItemStackRequestPacket.Request request) {
         // TODO: Also surely to change in the future
-        // TODO: don't spam the ClickWindowButtonPacket?
         StackRequestActionData data = request.getActions()[1];
         if (!(data instanceof CraftResultsDeprecatedStackRequestActionData)) {
             return rejectRequest(request);
         }
         CraftResultsDeprecatedStackRequestActionData craftData = (CraftResultsDeprecatedStackRequestActionData) data;
+        StonecutterContainer container = (StonecutterContainer) inventory;
         // Get the ID of the item we are cutting
         int id = inventory.getItem(0).getJavaId();
         // Look up all possible options of cutting from this ID
@@ -73,13 +76,18 @@ public class StonecutterInventoryTranslator extends AbstractBlockInventoryTransl
         System.out.println(id +  " " + results);
         ItemStack javaOutput = ItemTranslator.translateToJava(craftData.getResultItems()[0]);
         System.out.println(javaOutput);
-        // Getting the index of the item in the Java stonecutter list
-        ClientClickWindowButtonPacket packet = new ClientClickWindowButtonPacket(inventory.getId(), results.indexOf(javaOutput.getId()));
-        System.out.println(packet.toString());
-        session.sendDownstreamPacket(packet);
-        if (inventory.getItem(1).getJavaId() != javaOutput.getId()) {
-            // We don't know there is an output here, so we tell ourselves that there is
-            inventory.setItem(1, GeyserItemStack.from(javaOutput, session.getNextItemNetId()), session);
+        int button = results.indexOf(javaOutput.getId());
+        // If we've already pressed the button with this item, no need to press it again!
+        if (container.getStonecutterButton() != button) {
+            // Getting the index of the item in the Java stonecutter list
+            ClientClickWindowButtonPacket packet = new ClientClickWindowButtonPacket(inventory.getId(), button);
+            System.out.println(packet.toString());
+            session.sendDownstreamPacket(packet);
+            container.setStonecutterButton(button);
+            if (inventory.getItem(1).getJavaId() != javaOutput.getId()) {
+                // We don't know there is an output here, so we tell ourselves that there is
+                inventory.setItem(1, GeyserItemStack.from(javaOutput, session.getNextItemNetId()), session);
+            }
         }
         return translateRequest(session, inventory, request);
     }
@@ -124,4 +132,9 @@ public class StonecutterInventoryTranslator extends AbstractBlockInventoryTransl
         }
         return super.getSlotType(javaSlot);
     }
+
+    @Override
+    public Inventory createInventory(String name, int windowId, WindowType windowType, PlayerInventory playerInventory) {
+        return new StonecutterContainer(name, windowId, this.size, playerInventory);
+    }
 }