Add legacy crafting support for Spigot and finish up standalone

bootstrap/spigot/src/main/java/org/geysermc/platform/spigot/GeyserSpigotPlugin.java

@@ -43,6 +43,7 @@ import org.geysermc.connector.utils.LanguageUtils;
 import org.geysermc.platform.spigot.command.GeyserSpigotCommandExecutor;
 import org.geysermc.platform.spigot.command.GeyserSpigotCommandManager;
 import org.geysermc.platform.spigot.command.SpigotCommandSender;
+import org.geysermc.platform.spigot.world.GeyserSpigot1_11CraftingListener;
 import org.geysermc.platform.spigot.world.GeyserSpigotBlockPlaceListener;
 import org.geysermc.platform.spigot.world.manager.*;
 import us.myles.ViaVersion.api.Pair;
@@ -146,8 +147,9 @@ public class GeyserSpigotPlugin extends JavaPlugin implements GeyserBootstrap {
             geyserLogger.debug("Legacy version of Minecraft (1.15.2 or older) detected; not using 3D biomes.");
         }
 
+        boolean isPre1_12 = !isCompatible(Bukkit.getServer().getVersion(), "1.12.0");
         // Set if we need to use a different method for getting a player's locale
-        SpigotCommandSender.setUseLegacyLocaleMethod(!isCompatible(Bukkit.getServer().getVersion(), "1.12.0"));
+        SpigotCommandSender.setUseLegacyLocaleMethod(isPre1_12);
 
         if (connector.getConfig().isUseAdapters()) {
             try {
@@ -191,9 +193,13 @@ public class GeyserSpigotPlugin extends JavaPlugin implements GeyserBootstrap {
             geyserLogger.debug("Using default world manager: " + this.geyserWorldManager.getClass());
         }
         GeyserSpigotBlockPlaceListener blockPlaceListener = new GeyserSpigotBlockPlaceListener(connector, this.geyserWorldManager);
-
         Bukkit.getServer().getPluginManager().registerEvents(blockPlaceListener, this);
 
+        if (isPre1_12) {
+            // Register events needed to send all recipes to the client
+            Bukkit.getServer().getPluginManager().registerEvents(new GeyserSpigot1_11CraftingListener(this, connector), this);
+        }
+
         this.getCommand("geyser").setExecutor(new GeyserSpigotCommandExecutor(connector));
     }
 

bootstrap/spigot/src/main/java/org/geysermc/platform/spigot/world/GeyserSpigot1_11CraftingListener.java

@@ -0,0 +1,197 @@
+/*
+ * Copyright (c) 2019-2021 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.platform.spigot.world;
+
+import com.github.steveice10.mc.protocol.MinecraftConstants;
+import com.github.steveice10.mc.protocol.data.game.entity.metadata.ItemStack;
+import com.github.steveice10.mc.protocol.data.game.recipe.Ingredient;
+import com.github.steveice10.mc.protocol.data.game.recipe.RecipeType;
+import com.github.steveice10.mc.protocol.data.game.recipe.data.ShapedRecipeData;
+import com.github.steveice10.mc.protocol.data.game.recipe.data.ShapelessRecipeData;
+import com.nukkitx.protocol.bedrock.data.inventory.CraftingData;
+import com.nukkitx.protocol.bedrock.data.inventory.ItemData;
+import com.nukkitx.protocol.bedrock.packet.CraftingDataPacket;
+import org.bukkit.Bukkit;
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+import org.bukkit.event.player.PlayerJoinEvent;
+import org.bukkit.inventory.Recipe;
+import org.bukkit.inventory.ShapedRecipe;
+import org.bukkit.inventory.ShapelessRecipe;
+import org.geysermc.connector.GeyserConnector;
+import org.geysermc.connector.network.session.GeyserSession;
+import org.geysermc.connector.network.translators.item.ItemTranslator;
+import org.geysermc.connector.network.translators.item.RecipeRegistry;
+import org.geysermc.platform.spigot.GeyserSpigotPlugin;
+import us.myles.ViaVersion.api.Pair;
+import us.myles.ViaVersion.api.data.MappingData;
+import us.myles.ViaVersion.api.protocol.Protocol;
+import us.myles.ViaVersion.api.protocol.ProtocolRegistry;
+import us.myles.ViaVersion.api.protocol.ProtocolVersion;
+import us.myles.ViaVersion.protocols.protocol1_13to1_12_2.Protocol1_13To1_12_2;
+
+import java.util.*;
+
+/**
+ * Used to send all available recipes from the server to the client, as a valid recipe book packet won't be sent by the server.
+ * Requires ViaVersion.
+ */
+public class GeyserSpigot1_11CraftingListener implements Listener {
+
+    private final GeyserConnector connector;
+    /**
+     * Specific mapping data for 1.12 to 1.13. Used to convert the 1.12 item into 1.13.
+     */
+    private final MappingData mappingData1_12to1_13;
+    /**
+     * The list of all protocols from the client's version to 1.13.
+     */
+    private final List<Pair<Integer, Protocol>> protocolList;
+    private final ProtocolVersion version;
+
+    public GeyserSpigot1_11CraftingListener(GeyserSpigotPlugin plugin, GeyserConnector connector) {
+        this.connector = connector;
+        this.mappingData1_12to1_13 = ProtocolRegistry.getProtocol(Protocol1_13To1_12_2.class).getMappingData();
+        this.protocolList = ProtocolRegistry.getProtocolPath(MinecraftConstants.PROTOCOL_VERSION,
+                ProtocolVersion.v1_13.getVersion());
+        this.version = plugin.getServerProtocolVersion();
+    }
+
+    @EventHandler
+    public void onPlayerJoin(PlayerJoinEvent event) {
+        GeyserSession session = null;
+        for (GeyserSession otherSession : connector.getPlayers()) {
+            if (otherSession.getName().equals(event.getPlayer().getName())) {
+                session = otherSession;
+                break;
+            }
+        }
+        if (session == null) {
+            return;
+        }
+
+        System.out.println("Sending recipes!");
+        sendServerRecipes(session);
+    }
+
+    public void sendServerRecipes(GeyserSession session) {
+        int netId = RecipeRegistry.LAST_RECIPE_NET_ID;
+
+        CraftingDataPacket craftingDataPacket = new CraftingDataPacket();
+        craftingDataPacket.setCleanRecipes(true);
+        Iterator<Recipe> recipeIterator = Bukkit.getServer().recipeIterator();
+        while (recipeIterator.hasNext()) {
+            Recipe recipe = recipeIterator.next();
+            Pair<ItemStack, ItemData> outputs = translateToBedrock(session, recipe.getResult());
+            ItemStack javaOutput = outputs.getKey();
+            ItemData output = outputs.getValue();
+            if (output.getId() == 0) continue; // If items make air we don't want that
+            boolean isNotAllAir = false; // Check for all-air recipes
+            if (recipe instanceof ShapedRecipe) {
+                ShapedRecipe shapedRecipe = (ShapedRecipe) recipe;
+                int size = shapedRecipe.getShape().length * shapedRecipe.getShape()[0].length();
+                Ingredient[] ingredients = new Ingredient[size];
+                ItemData[] input = new ItemData[size];
+                for (int i = 0; i < input.length; i++) {
+                    // Index is converting char to integer, adding i then converting back to char based on ASCII code
+                    Pair<ItemStack, ItemData> result = translateToBedrock(session, shapedRecipe.getIngredientMap().get((char) ('a' + i)));
+                    ingredients[i] = new Ingredient(new ItemStack[]{result.getKey()});
+                    input[i] = result.getValue();
+                    isNotAllAir = isNotAllAir || input[i].getId() != 0;
+                }
+                if (!isNotAllAir) continue;
+                UUID uuid = UUID.randomUUID();
+                // Add recipe to our internal cache
+                ShapedRecipeData data = new ShapedRecipeData(shapedRecipe.getShape()[0].length(), shapedRecipe.getShape().length,
+                        "", ingredients, javaOutput);
+                session.getCraftingRecipes().put(netId,
+                        new com.github.steveice10.mc.protocol.data.game.recipe.Recipe(RecipeType.CRAFTING_SHAPED, uuid.toString(), data));
+                // Add recipe for Bedrock
+                craftingDataPacket.getCraftingData().add(CraftingData.fromShaped(uuid.toString(),
+                        shapedRecipe.getShape()[0].length(), shapedRecipe.getShape().length, Arrays.asList(input),
+                        Collections.singletonList(output), uuid, "crafting_table", 0, netId++));
+            } else if (recipe instanceof ShapelessRecipe) {
+                ShapelessRecipe shapelessRecipe = (ShapelessRecipe) recipe;
+                Ingredient[] ingredients = new Ingredient[shapelessRecipe.getIngredientList().size()];
+                ItemData[] input = new ItemData[shapelessRecipe.getIngredientList().size()];
+                for (int i = 0; i < input.length; i++) {
+                    Pair<ItemStack, ItemData> result = translateToBedrock(session, shapelessRecipe.getIngredientList().get(i));
+                    ingredients[i] = new Ingredient(new ItemStack[]{result.getKey()});
+                    input[i] = result.getValue();
+                    isNotAllAir = isNotAllAir || input[i].getId() != 0;
+                }
+                if (!isNotAllAir) continue;
+                UUID uuid = UUID.randomUUID();
+                // Add recipe to our internal cache
+                ShapelessRecipeData data = new ShapelessRecipeData("", ingredients, javaOutput);
+                session.getCraftingRecipes().put(netId,
+                        new com.github.steveice10.mc.protocol.data.game.recipe.Recipe(RecipeType.CRAFTING_SHAPELESS, uuid.toString(), data));
+                // Add recipe for Bedrock
+                craftingDataPacket.getCraftingData().add(CraftingData.fromShapeless(uuid.toString(),
+                        Arrays.asList(input), Collections.singletonList(output), uuid, "crafting_table", 0, netId++));
+            }
+        }
+
+        session.sendUpstreamPacket(craftingDataPacket);
+    }
+
+    @SuppressWarnings("deprecation")
+    private Pair<ItemStack, ItemData> translateToBedrock(GeyserSession session, org.bukkit.inventory.ItemStack itemStack) {
+        if (itemStack != null && itemStack.getData() != null) {
+            if (itemStack.getType().getId() == 0) {
+                return new Pair<>(null, ItemData.AIR);
+            }
+            int legacyId = (itemStack.getType().getId() << 4) | (itemStack.getData().getData() & 0xFFFF);
+            if (itemStack.getType().getId() == 355 && itemStack.getData().getData() == (byte) 0) { // Handle bed color since the server will always be pre-1.12
+                legacyId = (itemStack.getType().getId() << 4) | ((byte) 14 & 0xFFFF);
+            }
+            // old version -> 1.13 -> 1.13.1 -> 1.14 -> 1.15 -> 1.16 and so on
+            int itemId;
+            if (mappingData1_12to1_13.getItemMappings().containsKey(legacyId)) {
+                itemId = mappingData1_12to1_13.getNewItemId(legacyId);
+            } else if (mappingData1_12to1_13.getItemMappings().containsKey((itemStack.getType().getId() << 4) | (0))) {
+                itemId = mappingData1_12to1_13.getNewItemId((itemStack.getType().getId() << 4) | (0));
+            } else {
+                // No ID found, just send back air
+                return new Pair<>(null, ItemData.AIR);
+            }
+
+            for (int i = protocolList.size() - 1; i >= 0; i--) {
+                MappingData mappingData = protocolList.get(i).getValue().getMappingData();
+                if (mappingData != null) {
+                    itemId = mappingData.getNewItemId(itemId);
+                }
+            }
+
+            ItemStack mcItemStack = new ItemStack(itemId, itemStack.getAmount());
+            ItemData finalData = ItemTranslator.translateToBedrock(session, mcItemStack);
+            return new Pair<>(mcItemStack, finalData);
+        }
+        // Empty slot, most likely
+        return new Pair<>(null, ItemData.AIR);
+    }
+
+}

connector/src/main/java/org/geysermc/connector/network/translators/java/window/JavaSetSlotTranslator.java

@@ -193,41 +193,60 @@ public class JavaSetSlotTranslator extends PacketTranslator<ServerSetSlotPacket>
             }
             System.out.println("Sending packet!");
 
-            ItemData[] ingredients = new ItemData[gridSize];
+            UUID uuid = UUID.randomUUID();
+            int newRecipeId = session.getLastRecipeNetId().incrementAndGet();
+
+            ItemData[] ingredients = new ItemData[height * width];
             //construct ingredient list and clear slots on client
-            for (int i = 0; i < gridSize; i++) {
+            Ingredient[] javaIngredients = new Ingredient[height * width];
-                ingredients[i] = inventory.getItem(i + 1).getItemData(session);
+            int index = 0;
+            for (int row = firstRow; row < height + firstRow; row++) {
+                for (int col = firstCol; col < width + firstCol; col++) {
+                    GeyserItemStack geyserItemStack = inventory.getItem(col + (row * gridDimensions) + 1);
+                    ingredients[index] = geyserItemStack.getItemData(session);
+                    ItemStack[] itemStacks = new ItemStack[] {geyserItemStack.isEmpty() ? null : geyserItemStack.getItemStack(1)};
+                    javaIngredients[index] = new Ingredient(itemStacks);
 
                     InventorySlotPacket slotPacket = new InventorySlotPacket();
                     slotPacket.setContainerId(ContainerId.UI);
-                slotPacket.setSlot(i + offset);
+                    slotPacket.setSlot(col + (row * gridDimensions) + offset);
                     slotPacket.setItem(ItemData.AIR);
                     session.sendUpstreamPacket(slotPacket);
+                    index++;
+                }
             }
 
+            ShapedRecipeData data = new ShapedRecipeData(width, height, "", javaIngredients, packet.getItem());
+            session.getConnector().getLogger().error(data.toString());
+            // Cache this recipe so we know the client has received it
+            session.getCraftingRecipes().put(newRecipeId, new Recipe(RecipeType.CRAFTING_SHAPED, uuid.toString(), data));
+
             CraftingDataPacket craftPacket = new CraftingDataPacket();
-            UUID uuid = UUID.randomUUID();
             craftPacket.getCraftingData().add(CraftingData.fromShaped(
                     uuid.toString(),
-                    gridDimensions,
+                    width,
-                    gridDimensions,
+                    height,
                     Arrays.asList(ingredients),
                     Collections.singletonList(ItemTranslator.translateToBedrock(session, packet.getItem())),
                     uuid,
                     "crafting_table",
                     0,
-                    session.getLastRecipeNetId().incrementAndGet()
+                    newRecipeId
             ));
             craftPacket.setCleanRecipes(false);
+            System.out.println(craftPacket);
             session.sendUpstreamPacket(craftPacket);
 
-            //restore cleared slots
+            index = 0;
-            for (int i = 0; i < gridSize; i++) {
+            for (int row = firstRow; row < height + firstRow; row++) {
+                for (int col = firstCol; col < width + firstCol; col++) {
                     InventorySlotPacket slotPacket = new InventorySlotPacket();
                     slotPacket.setContainerId(ContainerId.UI);
-                slotPacket.setSlot(i + offset);
+                    slotPacket.setSlot(col + (row * gridDimensions) + offset);
-                slotPacket.setItem(ingredients[i]);
+                    slotPacket.setItem(ingredients[index]);
                     session.sendUpstreamPacket(slotPacket);
+                    index++;
+                }
             }
         }
     }