Merge remote-tracking branch 'upstream/master' into fabric

api/base/src/main/java/org/geysermc/api/util/BedrockPlatform.java

@@ -35,7 +35,7 @@ public enum BedrockPlatform {
     AMAZON("Amazon"),
     GEARVR("Gear VR"),
     HOLOLENS("Hololens"),
-    UWP("Windows 10"),
+    UWP("Windows"),
     WIN32("Windows x86"),
     DEDICATED("Dedicated"),
     TVOS("Apple TV"),

bootstrap/bungeecord/src/main/java/org/geysermc/geyser/platform/bungeecord/GeyserBungeePlugin.java

@@ -137,6 +137,24 @@ public class GeyserBungeePlugin extends Plugin implements GeyserBootstrap {
             }
         }
 
+        // Force-disable query if enabled, or else Geyser won't enable
+        for (ListenerInfo info : getProxy().getConfig().getListeners()) {
+            if (info.isQueryEnabled() && info.getQueryPort() == geyserConfig.getBedrock().port()) {
+                try {
+                    Field queryField = ListenerInfo.class.getDeclaredField("queryEnabled");
+                    queryField.setAccessible(true);
+                    queryField.setBoolean(info, false);
+                    geyserLogger.warning("We force-disabled query on port " + info.getQueryPort() + " in order for Geyser to boot up successfully. " +
+                            "To remove this message, disable query in your proxy's config.");
+                } catch (NoSuchFieldException | IllegalAccessException e) {
+                    geyserLogger.warning("Could not force-disable query. Geyser may not start correctly!");
+                    if (geyserLogger.isDebug()) {
+                        e.printStackTrace();
+                    }
+                }
+            }
+        }
+
         if (geyserConfig.getRemote().authType() == AuthType.FLOODGATE && getProxy().getPluginManager().getPlugin("floodgate") == null) {
             geyserLogger.severe(GeyserLocale.getLocaleStringLog("geyser.bootstrap.floodgate.not_installed") + " " + GeyserLocale.getLocaleStringLog("geyser.bootstrap.floodgate.disabling"));
             return;

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

@@ -60,7 +60,6 @@ import org.geysermc.geyser.ping.IGeyserPingPassthrough;
 import org.geysermc.geyser.platform.spigot.command.GeyserBrigadierSupport;
 import org.geysermc.geyser.platform.spigot.command.GeyserSpigotCommandExecutor;
 import org.geysermc.geyser.platform.spigot.command.GeyserSpigotCommandManager;
-import org.geysermc.geyser.platform.spigot.command.SpigotCommandSource;
 import org.geysermc.geyser.platform.spigot.world.GeyserPistonListener;
 import org.geysermc.geyser.platform.spigot.world.GeyserSpigotBlockPlaceListener;
 import org.geysermc.geyser.platform.spigot.world.manager.*;
@@ -196,6 +195,7 @@ public class GeyserSpigotPlugin extends JavaPlugin implements GeyserBootstrap {
 
         geyserConfig.loadFloodgate(this);
 
+        if (!INITIALIZED) {
             // Needs to be an anonymous inner class otherwise Bukkit complains about missing classes
             Bukkit.getPluginManager().registerEvents(new Listener() {
 
@@ -229,6 +229,12 @@ public class GeyserSpigotPlugin extends JavaPlugin implements GeyserBootstrap {
             }
         }
 
+        if (INITIALIZED) {
+            // Reload; continue with post startup
+            postStartup();
+        }
+    }
+
     private void postStartup() {
         GeyserImpl.start();
 
@@ -262,14 +268,6 @@ public class GeyserSpigotPlugin extends JavaPlugin implements GeyserBootstrap {
                 }
             }
         }
-        // Used to determine if Block.getBlockData() is present.
-        boolean isLegacy = !isCompatible(Bukkit.getServer().getVersion(), "1.13.0");
-        if (isLegacy)
-            geyserLogger.debug("Legacy version of Minecraft (1.12.2 or older) detected; falling back to ViaVersion for block state retrieval.");
-
-        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
-        SpigotCommandSource.setUseLegacyLocaleMethod(isPre1_12);
 
         // We want to do this late in the server startup process to allow plugins such as ViaVersion and ProtocolLib
         // To do their job injecting, then connect into *that*
@@ -282,13 +280,7 @@ public class GeyserSpigotPlugin extends JavaPlugin implements GeyserBootstrap {
                 String nmsVersion = name.substring(name.lastIndexOf('.') + 1);
                 SpigotAdapters.registerWorldAdapter(nmsVersion);
                 if (isViaVersion && isViaVersionNeeded()) {
-                    if (isLegacy) {
-                        // Pre-1.13
-                        this.geyserWorldManager = new GeyserSpigot1_12NativeWorldManager(this);
-                    } else {
-                        // Post-1.13
                     this.geyserWorldManager = new GeyserSpigotLegacyNativeWorldManager(this);
-                    }
                 } else {
                     // No ViaVersion
                     this.geyserWorldManager = new GeyserSpigotNativeWorldManager(this);
@@ -305,17 +297,8 @@ public class GeyserSpigotPlugin extends JavaPlugin implements GeyserBootstrap {
         }
         if (this.geyserWorldManager == null) {
             // No NMS adapter
-            if (isLegacy && isViaVersion) {
-                // Use ViaVersion for converting pre-1.13 block states
-                this.geyserWorldManager = new GeyserSpigot1_12WorldManager(this);
-            } else if (isLegacy) {
-                // Not sure how this happens - without ViaVersion, we don't know any block states, so just assume everything is air
-                this.geyserWorldManager = new GeyserSpigotFallbackWorldManager(this);
-            } else {
-                // Post-1.13
             this.geyserWorldManager = new GeyserSpigotWorldManager(this);
-            }
+            geyserLogger.debug("Using default world manager.");
-            geyserLogger.debug("Using default world manager: " + this.geyserWorldManager.getClass());
         }
 
         PluginCommand geyserCommand = this.getCommand("geyser");

bootstrap/spigot/src/main/java/org/geysermc/geyser/platform/spigot/command/SpigotCommandSource.java

@@ -29,31 +29,17 @@ import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.serializer.bungeecord.BungeeComponentSerializer;
 import org.bukkit.command.ConsoleCommandSender;
 import org.bukkit.entity.Player;
-import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.command.GeyserCommandSource;
 import org.geysermc.geyser.platform.spigot.PaperAdventure;
 import org.geysermc.geyser.text.GeyserLocale;
 
-import java.lang.reflect.InvocationTargetException;
-import java.lang.reflect.Method;
-
 public class SpigotCommandSource implements GeyserCommandSource {
-
-    /**
-     * Whether to use {@code Player.getLocale()} or {@code Player.spigot().getLocale()}, depending on version.
-     * 1.12 or greater should not use the legacy method.
-     */
-    private static boolean USE_LEGACY_METHOD = false;
-    private static Method LOCALE_METHOD;
-
     private final org.bukkit.command.CommandSender handle;
-    private final String locale;
 
     public SpigotCommandSource(org.bukkit.command.CommandSender handle) {
         this.handle = handle;
-        this.locale = getSpigotLocale();
         // Ensure even Java players' languages are loaded
-        GeyserLocale.loadGeyserLocale(locale);
+        GeyserLocale.loadGeyserLocale(locale());
     }
 
     @Override
@@ -84,50 +70,15 @@ public class SpigotCommandSource implements GeyserCommandSource {
 
     @Override
     public String locale() {
-        return locale;
+        if (this.handle instanceof Player player) {
+            return player.getLocale();
+        }
+
+        return GeyserLocale.getDefaultLocale();
     }
 
     @Override
     public boolean hasPermission(String permission) {
         return handle.hasPermission(permission);
     }
-
-    /**
-     * Set if we are on pre-1.12, and therefore {@code player.getLocale()} doesn't exist and we have to get
-     * {@code player.spigot().getLocale()}.
-     *
-     * @param useLegacyMethod if we are running pre-1.12 and therefore need to use reflection to get the player locale
-     */
-    public static void setUseLegacyLocaleMethod(boolean useLegacyMethod) {
-        USE_LEGACY_METHOD = useLegacyMethod;
-        if (USE_LEGACY_METHOD) {
-            try {
-                //noinspection JavaReflectionMemberAccess - of course it doesn't exist; that's why we're doing it
-                LOCALE_METHOD = Player.Spigot.class.getMethod("getLocale");
-            } catch (NoSuchMethodException e) {
-                GeyserImpl.getInstance().getLogger().debug("Player.Spigot.getLocale() doesn't exist? Not a big deal but if you're seeing this please report it to the developers!");
-            }
-        }
-    }
-
-    /**
-     * So we only have to do nasty reflection stuff once per command
-     *
-     * @return the locale of the Spigot player
-     */
-    private String getSpigotLocale() {
-        if (handle instanceof Player player) {
-            if (USE_LEGACY_METHOD) {
-                try {
-                    // sigh
-                    // This was the only option on older Spigot instances and now it's gone
-                    return (String) LOCALE_METHOD.invoke(player.spigot());
-                } catch (IllegalAccessException | InvocationTargetException ignored) {
-                }
-            } else {
-                return player.getLocale();
-            }
-        }
-        return GeyserLocale.getDefaultLocale();
-    }
 }

bootstrap/spigot/src/main/java/org/geysermc/geyser/platform/spigot/world/GeyserPistonListener.java

@@ -105,13 +105,10 @@ public class GeyserPistonListener implements Listener {
             // Trying to grab the blocks from the world like other platforms would result in the moving piston block
             // being returned instead.
             if (!blocksFilled) {
-                // Blocks currently require a player for 1.12, so let's just leech off one player to get all blocks
-                // and call it a day for the rest of the sessions (mostly to save on execution time)
                 List<Block> blocks = isExtend ? ((BlockPistonExtendEvent) event).getBlocks() : ((BlockPistonRetractEvent) event).getBlocks();
                 for (Block block : blocks) {
                     Location attachedLocation = block.getLocation();
-                    int blockId = worldManager.getBlockNetworkId(player, block,
+                    int blockId = worldManager.getBlockNetworkId(block);
-                            attachedLocation.getBlockX(), attachedLocation.getBlockY(), attachedLocation.getBlockZ());
                     // Ignore blocks that will be destroyed
                     if (BlockStateValues.canPistonMoveBlock(blockId, isExtend)) {
                         attachedBlocks.put(getVector(attachedLocation), blockId);
@@ -120,7 +117,7 @@ public class GeyserPistonListener implements Listener {
                 blocksFilled = true;
             }
 
-            int pistonBlockId = worldManager.getBlockNetworkId(player, event.getBlock(), location.getBlockX(), location.getBlockY(), location.getBlockZ());
+            int pistonBlockId = worldManager.getBlockNetworkId(event.getBlock());
             // event.getDirection() is unreliable
             Direction orientation = BlockStateValues.getPistonOrientation(pistonBlockId);
 

bootstrap/spigot/src/main/java/org/geysermc/geyser/platform/spigot/world/manager/GeyserSpigot1_12NativeWorldManager.java

@@ -1,61 +0,0 @@
-/*
- * Copyright (c) 2019-2022 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.geyser.platform.spigot.world.manager;
-
-import com.viaversion.viaversion.api.Via;
-import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.storage.BlockStorage;
-import org.bukkit.Bukkit;
-import org.bukkit.entity.Player;
-import org.bukkit.plugin.Plugin;
-import org.geysermc.geyser.adapters.spigot.SpigotAdapters;
-import org.geysermc.geyser.adapters.spigot.SpigotWorldAdapter;
-import org.geysermc.geyser.level.block.BlockStateValues;
-import org.geysermc.geyser.session.GeyserSession;
-
-/**
- * Used with ViaVersion and pre-1.13.
- */
-public class GeyserSpigot1_12NativeWorldManager extends GeyserSpigot1_12WorldManager {
-    private final SpigotWorldAdapter adapter;
-
-    public GeyserSpigot1_12NativeWorldManager(Plugin plugin) {
-        super(plugin);
-        this.adapter = SpigotAdapters.getWorldAdapter();
-        // Unlike post-1.13, we can't build up a cache of block states, because block entities need some special conversion
-    }
-
-    @Override
-    public int getBlockAt(GeyserSession session, int x, int y, int z) {
-        Player player = Bukkit.getPlayer(session.getPlayerEntity().getUsername());
-        if (player == null) {
-            return BlockStateValues.JAVA_AIR_ID;
-        }
-        // Get block entity storage
-        BlockStorage storage = Via.getManager().getConnectionManager().getConnectedClient(player.getUniqueId()).get(BlockStorage.class);
-        int blockId = adapter.getBlockAt(player.getWorld(), x, y, z);
-        return getLegacyBlock(storage, blockId, x, y, z);
-    }
-}

bootstrap/spigot/src/main/java/org/geysermc/geyser/platform/spigot/world/manager/GeyserSpigot1_12WorldManager.java

@@ -1,125 +0,0 @@
-/*
- * Copyright (c) 2019-2022 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.geyser.platform.spigot.world.manager;
-
-import com.viaversion.viaversion.api.Via;
-import com.viaversion.viaversion.api.data.MappingData;
-import com.viaversion.viaversion.api.minecraft.Position;
-import com.viaversion.viaversion.api.protocol.ProtocolPathEntry;
-import com.viaversion.viaversion.api.protocol.version.ProtocolVersion;
-import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.Protocol1_13To1_12_2;
-import com.viaversion.viaversion.protocols.protocol1_13to1_12_2.storage.BlockStorage;
-import org.bukkit.Bukkit;
-import org.bukkit.block.Block;
-import org.bukkit.entity.Player;
-import org.bukkit.plugin.Plugin;
-import org.geysermc.geyser.level.block.BlockStateValues;
-import org.geysermc.geyser.session.GeyserSession;
-
-import java.util.List;
-
-/**
- * Should be used when ViaVersion is present, no NMS adapter is being used, and we are pre-1.13.
- *
- * You need ViaVersion to connect to an older server with the Geyser-Spigot plugin.
- */
-public class GeyserSpigot1_12WorldManager extends GeyserSpigotWorldManager {
-    /**
-     * Specific mapping data for 1.12 to 1.13. Used to convert the 1.12 block into the 1.13 block state.
-     * (Block IDs did not change between server versions until 1.13 and after)
-     */
-    private final MappingData mappingData1_12to1_13;
-
-    /**
-     * The list of all protocols from the client's version to 1.13.
-     */
-    private final List<ProtocolPathEntry> protocolList;
-
-    public GeyserSpigot1_12WorldManager(Plugin plugin) {
-        super(plugin);
-        this.mappingData1_12to1_13 = Via.getManager().getProtocolManager().getProtocol(Protocol1_13To1_12_2.class).getMappingData();
-        this.protocolList = Via.getManager().getProtocolManager().getProtocolPath(CLIENT_PROTOCOL_VERSION,
-                ProtocolVersion.v1_13.getVersion());
-    }
-
-    @Override
-    public int getBlockAt(GeyserSession session, int x, int y, int z) {
-        Player player = Bukkit.getPlayer(session.getPlayerEntity().getUsername());
-        if (player == null) {
-            return BlockStateValues.JAVA_AIR_ID;
-        }
-        if (!player.getWorld().isChunkLoaded(x >> 4, z >> 4)) {
-            // Prevent nasty async errors if a player is loading in
-            return BlockStateValues.JAVA_AIR_ID;
-        }
-
-        Block block = player.getWorld().getBlockAt(x, y, z);
-        return getBlockNetworkId(player, block, x, y, z);
-    }
-
-    @Override
-    @SuppressWarnings("deprecation")
-    public int getBlockNetworkId(Player player, Block block, int x, int y, int z) {
-        // Get block entity storage
-        BlockStorage storage = Via.getManager().getConnectionManager().getConnectedClient(player.getUniqueId()).get(BlockStorage.class);
-        // Black magic that gets the old block state ID
-        int oldBlockId = (block.getType().getId() << 4) | (block.getData() & 0xF);
-        return getLegacyBlock(storage, oldBlockId, x, y, z);
-    }
-
-    /**
-     *
-     * @param storage ViaVersion's block entity storage (used to fix block entity state differences)
-     * @param blockId the pre-1.13 block id
-     * @param x X coordinate of block
-     * @param y Y coordinate of block
-     * @param z Z coordinate of block
-     * @return the block state updated to the latest Minecraft version
-     */
-    public int getLegacyBlock(BlockStorage storage, int blockId, int x, int y, int z) {
-        // Convert block state from old version (1.12.2) -> 1.13 -> 1.13.1 -> 1.14 -> 1.15 -> 1.16 -> 1.16.2
-        blockId = mappingData1_12to1_13.getNewBlockId(blockId);
-        // Translate block entity differences - some information was stored in block tags and not block states
-        if (storage.isWelcome(blockId)) { // No getOrDefault method
-            BlockStorage.ReplacementData data = storage.get(new Position(x, (short) y, z));
-            if (data != null && data.getReplacement() != -1) {
-                blockId = data.getReplacement();
-            }
-        }
-        for (int i = protocolList.size() - 1; i >= 0; i--) {
-            MappingData mappingData = protocolList.get(i).getProtocol().getMappingData();
-            if (mappingData != null) {
-                blockId = mappingData.getNewBlockStateId(blockId);
-            }
-        }
-        return blockId;
-    }
-
-    @Override
-    public boolean isLegacy() {
-        return true;
-    }
-}

bootstrap/spigot/src/main/java/org/geysermc/geyser/platform/spigot/world/manager/GeyserSpigotFallbackWorldManager.java

@@ -1,56 +0,0 @@
-/*
- * Copyright (c) 2019-2022 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.geyser.platform.spigot.world.manager;
-
-import org.bukkit.plugin.Plugin;
-import org.geysermc.geyser.level.block.BlockStateValues;
-import org.geysermc.geyser.session.GeyserSession;
-
-/**
- * Should only be used when we know {@link GeyserSpigotWorldManager#getBlockAt(GeyserSession, int, int, int)}
- * cannot be accurate. Typically, this is when ViaVersion is not installed but a client still manages to connect.
- * If this occurs to you somehow, please let us know!!
- */
-public class GeyserSpigotFallbackWorldManager extends GeyserSpigotWorldManager {
-    public GeyserSpigotFallbackWorldManager(Plugin plugin) {
-        super(plugin);
-    }
-
-    @Override
-    public int getBlockAt(GeyserSession session, int x, int y, int z) {
-        return BlockStateValues.JAVA_AIR_ID;
-    }
-
-    @Override
-    public boolean hasOwnChunkCache() {
-        return false;
-    }
-
-    @Override
-    public boolean isLegacy() {
-        return true;
-    }
-}

bootstrap/spigot/src/main/java/org/geysermc/geyser/platform/spigot/world/manager/GeyserSpigotWorldManager.java

@@ -33,7 +33,6 @@ import org.bukkit.Bukkit;
 import org.bukkit.World;
 import org.bukkit.block.Block;
 import org.bukkit.block.Lectern;
-import org.bukkit.block.data.BlockData;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.meta.BookMeta;
@@ -41,7 +40,6 @@ import org.bukkit.plugin.Plugin;
 import org.geysermc.geyser.level.GameRule;
 import org.geysermc.geyser.level.GeyserWorldManager;
 import org.geysermc.geyser.level.block.BlockStateValues;
-import org.geysermc.geyser.network.GameProtocol;
 import org.geysermc.geyser.registry.BlockRegistries;
 import org.geysermc.geyser.session.GeyserSession;
 import org.geysermc.geyser.translator.inventory.LecternInventoryTranslator;
@@ -54,11 +52,6 @@ import java.util.List;
  * The base world manager to use when there is no supported NMS revision
  */
 public class GeyserSpigotWorldManager extends GeyserWorldManager {
-    /**
-     * The current client protocol version for ViaVersion usage.
-     */
-    protected static final int CLIENT_PROTOCOL_VERSION = GameProtocol.getJavaProtocolVersion();
-
     private final Plugin plugin;
 
     public GeyserSpigotWorldManager(Plugin plugin) {
@@ -77,10 +70,10 @@ public class GeyserSpigotWorldManager extends GeyserWorldManager {
             return BlockStateValues.JAVA_AIR_ID;
         }
 
-        return getBlockNetworkId(bukkitPlayer, world.getBlockAt(x, y, z), x, y, z);
+        return getBlockNetworkId(world.getBlockAt(x, y, z));
     }
 
-    public int getBlockNetworkId(Player player, Block block, int x, int y, int z) {
+    public int getBlockNetworkId(Block block) {
         return BlockRegistries.JAVA_IDENTIFIERS.getOrDefault(block.getBlockData().getAsString(), BlockStateValues.JAVA_AIR_ID);
     }
 
@@ -181,8 +174,6 @@ public class GeyserSpigotWorldManager extends GeyserWorldManager {
     }
 
     /**
-     * This must be set to true if we are pre-1.13, and {@link BlockData#getAsString() does not exist}.
-     *
      * This should be set to true if we are post-1.13 but before the latest version, and we should convert the old block state id
      * to the current one.
      *

common/src/main/java/org/geysermc/floodgate/util/DeviceOs.java

@@ -40,7 +40,7 @@ public enum DeviceOs {
     AMAZON("Amazon"),
     GEARVR("Gear VR"),
     HOLOLENS("Hololens"),
-    UWP("Windows 10"),
+    UWP("Windows"),
     WIN32("Windows x86"),
     DEDICATED("Dedicated"),
     TVOS("Apple TV"),

core/src/main/java/org/geysermc/geyser/registry/populator/CustomItemRegistryPopulator.java

@@ -30,7 +30,6 @@ import com.nukkitx.nbt.NbtMapBuilder;
 import com.nukkitx.nbt.NbtType;
 import com.nukkitx.protocol.bedrock.data.inventory.ComponentItemData;
 import com.nukkitx.protocol.bedrock.packet.StartGamePacket;
-import it.unimi.dsi.fastutil.objects.Object2IntMaps;
 import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.api.item.custom.CustomItemData;
 import org.geysermc.geyser.api.item.custom.CustomRenderOffsets;
@@ -43,6 +42,7 @@ import org.geysermc.geyser.registry.type.ItemMapping;
 import org.geysermc.geyser.registry.type.NonVanillaItemRegistration;
 
 import javax.annotation.Nullable;
+import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 import java.util.OptionalInt;
@@ -85,7 +85,7 @@ public class CustomItemRegistryPopulator {
                 .maxDamage(customItemData.maxDamage())
                 .repairMaterials(customItemData.repairMaterials())
                 .hasSuspiciousStewEffect(false)
-                .customItemOptions(Object2IntMaps.emptyMap())
+                .customItemOptions(Collections.emptyList())
                 .build();
 
         NbtMapBuilder builder = createComponentNbt(customItemData, customItemData.identifier(), customItemId,

core/src/main/java/org/geysermc/geyser/registry/populator/ItemRegistryPopulator.java

@@ -95,7 +95,10 @@ public class ItemRegistryPopulator {
 
         boolean customItemsAllowed = GeyserImpl.getInstance().getConfig().isAddNonBedrockItems();
 
-        Multimap<String, CustomItemData> customItems = MultimapBuilder.hashKeys().hashSetValues().build();
+        // List values here is important compared to HashSet - we need to preserve the order of what's given to us
+        // (as of 1.19.2 Java) to replicate some edge cases in Java predicate behavior where it checks from the bottom
+        // of the list first, then ascends.
+        Multimap<String, CustomItemData> customItems = MultimapBuilder.hashKeys().arrayListValues().build();
         List<NonVanillaCustomItemData> nonVanillaCustomItems;
 
         MappingsConfigReader mappingsConfigReader = new MappingsConfigReader();
@@ -468,10 +471,10 @@ public class ItemRegistryPopulator {
                 }
 
                 // Add the custom item properties, if applicable
-                Object2IntMap<CustomItemOptions> customItemOptions;
+                List<ObjectIntPair<CustomItemOptions>> customItemOptions;
                 Collection<CustomItemData> customItemsToLoad = customItems.get(javaIdentifier);
                 if (customItemsAllowed && !customItemsToLoad.isEmpty()) {
-                    customItemOptions = new Object2IntOpenHashMap<>(customItemsToLoad.size());
+                    customItemOptions = new ObjectArrayList<>(customItemsToLoad.size());
 
                     for (CustomItemData customItem : customItemsToLoad) {
                         int customProtocolId = nextFreeBedrockId++;
@@ -491,12 +494,15 @@ public class ItemRegistryPopulator {
                         entries.put(customMapping.stringId(), customMapping.startGamePacketItemEntry());
                         // ComponentItemData - used to register some custom properties
                         componentItemData.add(customMapping.componentItemData());
-                        customItemOptions.put(customItem.customItemOptions(), customProtocolId);
+                        customItemOptions.add(ObjectIntPair.of(customItem.customItemOptions(), customProtocolId));
 
                         customIdMappings.put(customMapping.integerId(), customMapping.stringId());
                     }
+
+                    // Important for later to find the best match and accurately replicate Java behavior
+                    Collections.reverse(customItemOptions);
                 } else {
-                    customItemOptions = Object2IntMaps.emptyMap();
+                    customItemOptions = Collections.emptyList();
                 }
                 mappingBuilder.customItemOptions(customItemOptions);
 
@@ -550,7 +556,7 @@ public class ItemRegistryPopulator {
                     .bedrockData(0)
                     .bedrockBlockId(-1)
                     .stackSize(1)
-                    .customItemOptions(Object2IntMaps.emptyMap())
+                    .customItemOptions(Collections.emptyList())
                     .build();
 
             if (customItemsAllowed) {
@@ -567,7 +573,7 @@ public class ItemRegistryPopulator {
                         .bedrockData(0)
                         .bedrockBlockId(-1)
                         .stackSize(1)
-                        .customItemOptions(Object2IntMaps.emptyMap()) // TODO check for custom items with furnace minecart
+                        .customItemOptions(Collections.emptyList()) // TODO check for custom items with furnace minecart
                         .build());
 
                 creativeItems.add(ItemData.builder()

core/src/main/java/org/geysermc/geyser/registry/type/ItemMapping.java

@@ -25,15 +25,15 @@
 
 package org.geysermc.geyser.registry.type;
 
-import it.unimi.dsi.fastutil.objects.Object2IntMap;
+import it.unimi.dsi.fastutil.objects.ObjectIntPair;
-import it.unimi.dsi.fastutil.objects.Object2IntMaps;
 import lombok.Builder;
 import lombok.EqualsAndHashCode;
 import lombok.Value;
+import org.checkerframework.checker.nullness.qual.NonNull;
 import org.geysermc.geyser.api.item.custom.CustomItemOptions;
-import org.geysermc.geyser.network.GameProtocol;
-import org.geysermc.geyser.registry.BlockRegistries;
 
+import java.util.Collections;
+import java.util.List;
 import java.util.Set;
 
 @Value
@@ -41,8 +41,8 @@ import java.util.Set;
 @EqualsAndHashCode
 public class ItemMapping {
     public static final ItemMapping AIR = new ItemMapping("minecraft:air", "minecraft:air", 0, 0, 0,
-            BlockRegistries.BLOCKS.forVersion(GameProtocol.DEFAULT_BEDROCK_CODEC.getProtocolVersion()).getBedrockAirId(),
+            0, // Air is never sent in full over the network for this to serialize.
-            64, null, null, null, Object2IntMaps.emptyMap(), 0, null, false);
+            64, null, null, null, Collections.emptyList(), 0, null, false);
 
     String javaIdentifier;
     String bedrockIdentifier;
@@ -62,7 +62,8 @@ public class ItemMapping {
 
     String translationString;
 
-    Object2IntMap<CustomItemOptions> customItemOptions;
+    @NonNull
+    List<ObjectIntPair<CustomItemOptions>> customItemOptions;
 
     int maxDamage;
 

core/src/main/java/org/geysermc/geyser/text/GeyserLocale.java

@@ -25,6 +25,7 @@
 
 package org.geysermc.geyser.text;
 
+import it.unimi.dsi.fastutil.objects.ObjectArrays;
 import org.geysermc.geyser.GeyserBootstrap;
 import org.geysermc.geyser.GeyserImpl;
 
@@ -173,6 +174,16 @@ public class GeyserLocale {
         return localeProp.isEmpty() ? null : locale;
     }
 
+    /**
+     * Get a formatted language string with the default locale for Geyser
+     *
+     * @param key Language string to translate
+     * @return Translated string or the original message if it was not found in the given locale
+     */
+    public static String getLocaleStringLog(String key) {
+        return getLocaleStringLog(key, ObjectArrays.EMPTY_ARRAY);
+    }
+
     /**
      * Get a formatted language string with the default locale for Geyser
      *
@@ -184,6 +195,17 @@ public class GeyserLocale {
         return getPlayerLocaleString(key, getDefaultLocale(), values);
     }
 
+    /**
+     * Get a formatted language string with the given locale for Geyser
+     *
+     * @param key Language string to translate
+     * @param locale Locale to translate to
+     * @return Translated string or the original message if it was not found in the given locale
+     */
+    public static String getPlayerLocaleString(String key, String locale) {
+        return getPlayerLocaleString(key, locale, ObjectArrays.EMPTY_ARRAY);
+    }
+
     /**
      * Get a formatted language string with the given locale for Geyser
      *

core/src/main/java/org/geysermc/geyser/translator/inventory/item/CustomItemTranslator.java

@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2019-2022 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.geyser.translator.inventory.item;
+
+import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
+import com.github.steveice10.opennbt.tag.builtin.IntTag;
+import com.github.steveice10.opennbt.tag.builtin.Tag;
+import it.unimi.dsi.fastutil.objects.ObjectIntPair;
+import org.geysermc.geyser.api.item.custom.CustomItemOptions;
+import org.geysermc.geyser.api.util.TriState;
+import org.geysermc.geyser.registry.type.ItemMapping;
+
+import java.util.List;
+import java.util.OptionalInt;
+
+/**
+ * This is only a separate class for testing purposes so we don't have to load in GeyserImpl in ItemTranslator.
+ */
+final class CustomItemTranslator {
+
+    static int getCustomItem(CompoundTag nbt, ItemMapping mapping) {
+        if (nbt == null) {
+            return -1;
+        }
+        List<ObjectIntPair<CustomItemOptions>> customMappings = mapping.getCustomItemOptions();
+        if (customMappings.isEmpty()) {
+            return -1;
+        }
+
+        int customModelData = nbt.get("CustomModelData") instanceof IntTag customModelDataTag ? customModelDataTag.getValue() : 0;
+        boolean checkDamage = mapping.getMaxDamage() > 0;
+        int damage = !checkDamage ? 0 : nbt.get("Damage") instanceof IntTag damageTag ? damageTag.getValue() : 0;
+        boolean unbreakable = checkDamage && !isDamaged(nbt, damage);
+
+        for (ObjectIntPair<CustomItemOptions> mappingTypes : customMappings) {
+            CustomItemOptions options = mappingTypes.key();
+
+            // Code note: there may be two or more conditions that a custom item must follow, hence the "continues"
+            // here with the return at the end.
+
+            // Implementation details: Java's predicate system works exclusively on comparing float numbers.
+            // A value doesn't necessarily have to match 100%; it just has to be the first to meet all predicate conditions.
+            // This is also why the order of iteration is important as the first to match will be the chosen display item.
+            // For example, if CustomModelData is set to 2f as the requirement, then the NBT can be any number greater or equal (2, 3, 4...)
+            // The same behavior exists for Damage (in fraction form instead of whole numbers),
+            // and Damaged/Unbreakable handles no damage as 0f and damaged as 1f.
+
+            if (checkDamage) {
+                if (unbreakable && options.unbreakable() == TriState.FALSE) {
+                    continue;
+                }
+
+                OptionalInt damagePredicate = options.damagePredicate();
+                if (damagePredicate.isPresent() && damage < damagePredicate.getAsInt()) {
+                    continue;
+                }
+            } else {
+                if (options.unbreakable() != TriState.NOT_SET || options.damagePredicate().isPresent()) {
+                    // These will never match on this item. 1.19.2 behavior
+                    // Maybe move this to CustomItemRegistryPopulator since it'll be the same for every item? If so, add a test.
+                    continue;
+                }
+            }
+
+            OptionalInt customModelDataOption = options.customModelData();
+            if (customModelDataOption.isPresent() && customModelData < customModelDataOption.getAsInt()) {
+                continue;
+            }
+
+            return mappingTypes.valueInt();
+        }
+        return -1;
+    }
+
+    /* These two functions are based off their Mojmap equivalents from 1.19.2 */
+
+    private static boolean isDamaged(CompoundTag nbt, int damage) {
+        return isDamagableItem(nbt) && damage > 0;
+    }
+
+    private static boolean isDamagableItem(CompoundTag nbt) {
+        // mapping.getMaxDamage > 0 should also be checked (return false if not true) but we already check prior to this function
+        Tag unbreakableTag = nbt.get("Unbreakable");
+        // Tag must either not be present or be set to false
+        return unbreakableTag == null || !(unbreakableTag.getValue() instanceof Number number) || number.byteValue() == 0;
+    }
+
+    private CustomItemTranslator() {
+    }
+}

core/src/main/java/org/geysermc/geyser/translator/inventory/item/ItemTranslator.java

@@ -34,12 +34,9 @@ import com.nukkitx.nbt.NbtType;
 import com.nukkitx.protocol.bedrock.data.inventory.ItemData;
 import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
 import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
-import it.unimi.dsi.fastutil.objects.Object2IntMap;
 import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.format.NamedTextColor;
 import org.geysermc.geyser.GeyserImpl;
-import org.geysermc.geyser.api.item.custom.CustomItemOptions;
-import org.geysermc.geyser.api.util.TriState;
 import org.geysermc.geyser.inventory.GeyserItemStack;
 import org.geysermc.geyser.registry.BlockRegistries;
 import org.geysermc.geyser.registry.type.ItemMapping;
@@ -173,19 +170,19 @@ public abstract class ItemTranslator {
             builder.blockRuntimeId(bedrockItem.getBedrockBlockId());
         }
 
-        translateCustomItem(nbt, builder, bedrockItem);
-
         if (nbt != null) {
             // Translate the canDestroy and canPlaceOn Java NBT
             ListTag canDestroy = nbt.get("CanDestroy");
-            String[] canBreak = new String[0];
             ListTag canPlaceOn = nbt.get("CanPlaceOn");
-            String[] canPlace = new String[0];
+            String[] canBreak = getCanModify(canDestroy);
-            canBreak = getCanModify(canDestroy, canBreak);
+            String[] canPlace = getCanModify(canPlaceOn);
-            canPlace = getCanModify(canPlaceOn, canPlace);
+            if (canBreak != null) {
                 builder.canBreak(canBreak);
+            }
+            if (canPlace != null) {
                 builder.canPlace(canPlace);
             }
+        }
 
         return builder.build();
     }
@@ -246,12 +243,11 @@ public abstract class ItemTranslator {
      * In Java, this is treated as normal NBT, but in Bedrock, these arguments are extra parts of the item data itself.
      *
      * @param canModifyJava the list of items in Java
-     * @param canModifyBedrock the empty list of items in Bedrock
      * @return the new list of items in Bedrock
      */
-    private static String[] getCanModify(ListTag canModifyJava, String[] canModifyBedrock) {
+    private static String[] getCanModify(ListTag canModifyJava) {
         if (canModifyJava != null && canModifyJava.size() > 0) {
-            canModifyBedrock = new String[canModifyJava.size()];
+            String[] canModifyBedrock = new String[canModifyJava.size()];
             for (int i = 0; i < canModifyBedrock.length; i++) {
                 // Get the Java identifier of the block that can be placed
                 String block = ((StringTag) canModifyJava.get(i)).getValue();
@@ -261,9 +257,10 @@ public abstract class ItemTranslator {
                 // This will unfortunately be limited - for example, beds and banners will be translated weirdly
                 canModifyBedrock[i] = BlockRegistries.JAVA_TO_BEDROCK_IDENTIFIERS.getOrDefault(block, block).replace("minecraft:", "");
             }
-        }
             return canModifyBedrock;
         }
+        return null;
+    }
 
     /**
      * Given an item stack, determine the Bedrock item ID that should be applied to Bedrock players.
@@ -276,7 +273,7 @@ public abstract class ItemTranslator {
         ItemMapping mapping = ITEM_STACK_TRANSLATORS.getOrDefault(javaId, DEFAULT_TRANSLATOR)
                 .getItemMapping(javaId, itemStack.getNbt(), session.getItemMappings());
 
-        int customItemId = getCustomItem(itemStack.getNbt(), mapping);
+        int customItemId = CustomItemTranslator.getCustomItem(itemStack.getNbt(), mapping);
         if (customItemId == -1) {
             // No custom item
             return mapping.getBedrockId();
@@ -329,66 +326,26 @@ public abstract class ItemTranslator {
     }
 
     protected NbtMap translateNbtToBedrock(CompoundTag tag) {
+        if (!tag.getValue().isEmpty()) {
             NbtMapBuilder builder = NbtMap.builder();
-        if (tag.getValue() != null && !tag.getValue().isEmpty()) {
+            for (Tag javaTag : tag.values()) {
-            for (String str : tag.getValue().keySet()) {
-                Tag javaTag = tag.get(str);
                 Object translatedTag = translateToBedrockNBT(javaTag);
                 if (translatedTag == null)
                     continue;
 
                 builder.put(javaTag.getName(), translatedTag);
             }
-        }
             return builder.build();
         }
+        return NbtMap.EMPTY;
+    }
 
     private Object translateToBedrockNBT(Tag tag) {
-        if (tag instanceof ByteArrayTag) {
+        if (tag instanceof CompoundTag compoundTag) {
-            return ((ByteArrayTag) tag).getValue();
+            return translateNbtToBedrock(compoundTag);
-        }
-
-        if (tag instanceof ByteTag) {
-            return ((ByteTag) tag).getValue();
-        }
-
-        if (tag instanceof DoubleTag) {
-            return ((DoubleTag) tag).getValue();
-        }
-
-        if (tag instanceof FloatTag) {
-            return ((FloatTag) tag).getValue();
-        }
-
-        if (tag instanceof IntArrayTag) {
-            return ((IntArrayTag) tag).getValue();
-        }
-
-        if (tag instanceof IntTag) {
-            return ((IntTag) tag).getValue();
-        }
-
-        if (tag instanceof LongArrayTag) {
-            //Long array tag does not exist in BE
-            //LongArrayTag longArrayTag = (LongArrayTag) tag;
-            //return new com.nukkitx.nbt.tag.LongArrayTag(longArrayTag.getName(), longArrayTag.getValue());
-            return null;
-        }
-
-        if (tag instanceof LongTag) {
-            return ((LongTag) tag).getValue();
-        }
-
-        if (tag instanceof ShortTag) {
-            return ((ShortTag) tag).getValue();
-        }
-
-        if (tag instanceof StringTag) {
-            return ((StringTag) tag).getValue();
         }
 
         if (tag instanceof ListTag listTag) {
-
             List<Object> tagList = new ArrayList<>();
             for (Tag value : listTag) {
                 tagList.add(translateToBedrockNBT(value));
@@ -400,11 +357,14 @@ public abstract class ItemTranslator {
             return new NbtList(type, tagList);
         }
 
-        if (tag instanceof CompoundTag compoundTag) {
+        if (tag instanceof LongArrayTag) {
-            return translateNbtToBedrock(compoundTag);
+            //Long array tag does not exist in BE
+            //LongArrayTag longArrayTag = (LongArrayTag) tag;
+            //return new com.nukkitx.nbt.tag.LongArrayTag(longArrayTag.getName(), longArrayTag.getValue());
+            return null;
         }
 
-        return null;
+        return tag.getValue();
     }
 
     private CompoundTag translateToJavaNBT(String name, NbtMap tag) {
@@ -544,87 +504,10 @@ public abstract class ItemTranslator {
      * Translates the custom model data of an item
      */
     private static void translateCustomItem(CompoundTag nbt, ItemData.Builder builder, ItemMapping mapping) {
-        int bedrockId = getCustomItem(nbt, mapping);
+        int bedrockId = CustomItemTranslator.getCustomItem(nbt, mapping);
         if (bedrockId != -1) {
             builder.id(bedrockId);
         }
     }
 
-    private static int getCustomItem(CompoundTag nbt, ItemMapping mapping) {
-        if (nbt == null) {
-            return -1;
-        }
-        Object2IntMap<CustomItemOptions> customMappings = mapping.getCustomItemOptions();
-        if (customMappings.isEmpty()) {
-            return -1;
-        }
-        int customModelData = nbt.get("CustomModelData") instanceof IntTag customModelDataTag ? customModelDataTag.getValue() : 0;
-        TriState unbreakable = TriState.fromBoolean(nbt.get("Unbreakable") instanceof ByteTag unbreakableTag && unbreakableTag.getValue() == 1);
-        int damage = nbt.get("Damage") instanceof IntTag damageTag ? damageTag.getValue() : 0;
-        for (Object2IntMap.Entry<CustomItemOptions> mappingTypes : customMappings.object2IntEntrySet()) {
-            CustomItemOptions options = mappingTypes.getKey();
-
-            TriState unbreakableOption = options.unbreakable();
-            if (unbreakableOption == unbreakable) { // Implementation note: if the option is NOT_SET then this comparison will always be false because of how the item unbreaking TriState is created
-                return mappingTypes.getIntValue();
-            }
-
-            OptionalInt customModelDataOption = options.customModelData();
-            if (customModelDataOption.isPresent() && customModelDataOption.getAsInt() == customModelData) {
-                return mappingTypes.getIntValue();
-            }
-
-            OptionalInt damagePredicate = options.damagePredicate();
-            if (damagePredicate.isPresent() && damagePredicate.getAsInt() == damage) {
-                return mappingTypes.getIntValue();
-            }
-        }
-        return -1;
-    }
-
-    /**
-     * Checks if an {@link ItemStack} is equal to another item stack
-     *
-     * @param itemStack the item stack to check
-     * @param equalsItemStack the item stack to check if equal to
-     * @param checkAmount if the amount should be taken into account
-     * @param trueIfAmountIsGreater if this should return true if the amount of the
-     *                              first item stack is greater than that of the second
-     * @param checkNbt if NBT data should be checked
-     * @return if an item stack is equal to another item stack
-     */
-    public boolean equals(ItemStack itemStack, ItemStack equalsItemStack, boolean checkAmount, boolean trueIfAmountIsGreater, boolean checkNbt) {
-        if (itemStack.getId() != equalsItemStack.getId()) {
-            return false;
-        }
-        if (checkAmount) {
-            if (trueIfAmountIsGreater) {
-                if (itemStack.getAmount() < equalsItemStack.getAmount()) {
-                    return false;
-                }
-            } else {
-                if (itemStack.getAmount() != equalsItemStack.getAmount()) {
-                    return false;
-                }
-            }
-        }
-
-        if (!checkNbt) {
-            return true;
-        }
-        if ((itemStack.getNbt() == null || itemStack.getNbt().isEmpty()) && (equalsItemStack.getNbt() != null && !equalsItemStack.getNbt().isEmpty())) {
-            return false;
-        }
-
-        if ((itemStack.getNbt() != null && !itemStack.getNbt().isEmpty() && (equalsItemStack.getNbt() == null || !equalsItemStack.getNbt().isEmpty()))) {
-            return false;
-        }
-
-        if (itemStack.getNbt() != null && equalsItemStack.getNbt() != null) {
-            return itemStack.getNbt().equals(equalsItemStack.getNbt());
-        }
-
-        return true;
-    }
-
 }

core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaLoginTranslator.java

@@ -99,6 +99,8 @@ public class JavaLoginTranslator extends PacketTranslator<ClientboundLoginPacket
         if (needsSpawnPacket) {
             // The player has yet to spawn so let's do that using some of the information in this Java packet
             session.setDimension(newDimension);
+            session.setDimensionType(dimensions.get(newDimension));
+            ChunkUtils.loadDimension(session);
             session.connect();
 
             // It is now safe to send these packets
@@ -145,8 +147,5 @@ public class JavaLoginTranslator extends PacketTranslator<ClientboundLoginPacket
             // If the player is spawning into the "fake" nether, send them some fog
             session.sendFog("minecraft:fog_hell");
         }
-
-        session.setDimensionType(dimensions.get(newDimension));
-        ChunkUtils.loadDimension(session);
     }
 }

core/src/main/java/org/geysermc/geyser/translator/protocol/java/JavaRespawnTranslator.java

@@ -36,7 +36,6 @@ import org.geysermc.geyser.session.GeyserSession;
 import org.geysermc.geyser.translator.inventory.InventoryTranslator;
 import org.geysermc.geyser.translator.protocol.PacketTranslator;
 import org.geysermc.geyser.translator.protocol.Translator;
-import org.geysermc.geyser.util.ChunkUtils;
 import org.geysermc.geyser.util.DimensionUtils;
 
 @Translator(packet = ClientboundRespawnPacket.class)
@@ -93,9 +92,6 @@ public class JavaRespawnTranslator extends PacketTranslator<ClientboundRespawnPa
             }
             session.setWorldName(packet.getWorldName());
             DimensionUtils.switchDimension(session, newDimension);
-
-            session.setDimensionType(session.getDimensions().get(newDimension));
-            ChunkUtils.loadDimension(session);
         }
     }
 }

core/src/main/java/org/geysermc/geyser/translator/protocol/java/level/JavaLevelChunkWithLightTranslator.java

@@ -39,7 +39,6 @@ import com.nukkitx.math.vector.Vector3i;
 import com.nukkitx.nbt.NBTOutputStream;
 import com.nukkitx.nbt.NbtMap;
 import com.nukkitx.nbt.NbtUtils;
-import com.nukkitx.network.VarInts;
 import com.nukkitx.protocol.bedrock.packet.LevelChunkPacket;
 import io.netty.buffer.ByteBuf;
 import io.netty.buffer.ByteBufAllocator;
@@ -284,6 +283,9 @@ public class JavaLevelChunkWithLightTranslator extends PacketTranslator<Clientbo
             }
             sectionCount++;
 
+            // As of 1.18.30, the amount of biomes read is dependent on how high Bedrock thinks the dimension is
+            int biomeCount = bedrockDimension.height() >> 4;
+
             // Estimate chunk size
             int size = 0;
             for (int i = 0; i < sectionCount; i++) {
@@ -294,9 +296,8 @@ public class JavaLevelChunkWithLightTranslator extends PacketTranslator<Clientbo
                     size += SERIALIZED_CHUNK_DATA.length;
                 }
             }
-            size += ChunkUtils.EMPTY_CHUNK_DATA.length; // Consists only of biome data
+            size += ChunkUtils.EMPTY_BIOME_DATA.length * biomeCount;
             size += 1; // Border blocks
-            size += 1; // Extra data length (always 0)
             size += bedrockBlockEntities.size() * 64; // Conservative estimate of 64 bytes per tile entity
 
             // Allocate output buffer
@@ -310,8 +311,6 @@ public class JavaLevelChunkWithLightTranslator extends PacketTranslator<Clientbo
                 }
             }
 
-            // As of 1.18.30, the amount of biomes read is dependent on how high Bedrock thinks the dimension is
-            int biomeCount = bedrockDimension.height() >> 4;
             int dimensionOffset = bedrockDimension.minY() >> 4;
             for (int i = 0; i < biomeCount; i++) {
                 int biomeYOffset = dimensionOffset + i;
@@ -331,7 +330,6 @@ public class JavaLevelChunkWithLightTranslator extends PacketTranslator<Clientbo
             }
 
             byteBuf.writeByte(0); // Border blocks - Edu edition only
-            VarInts.writeUnsignedInt(byteBuf, 0); // extra data length, 0 for now
 
             // Encode tile entities into buffer
             NBTOutputStream nbtStream = NbtUtils.createNetworkWriter(new ByteBufOutputStream(byteBuf));

core/src/main/java/org/geysermc/geyser/util/ChunkUtils.java

@@ -31,6 +31,7 @@ import com.nukkitx.protocol.bedrock.packet.LevelChunkPacket;
 import com.nukkitx.protocol.bedrock.packet.NetworkChunkPublisherUpdatePacket;
 import com.nukkitx.protocol.bedrock.packet.UpdateBlockPacket;
 import io.netty.buffer.ByteBuf;
+import io.netty.buffer.ByteBufAllocator;
 import io.netty.buffer.Unpooled;
 import it.unimi.dsi.fastutil.ints.IntLists;
 import lombok.experimental.UtilityClass;
@@ -54,10 +55,6 @@ public class ChunkUtils {
      * An empty subchunk.
      */
     public static final byte[] SERIALIZED_CHUNK_DATA;
-    /**
-     * An empty chunk that can be safely passed on to a LevelChunkPacket with subcounts set to 0.
-     */
-    public static final byte[] EMPTY_CHUNK_DATA;
     public static final byte[] EMPTY_BIOME_DATA;
 
     static {
@@ -81,20 +78,6 @@ public class ChunkUtils {
         } finally {
             byteBuf.release();
         }
-
-        byteBuf = Unpooled.buffer();
-        try {
-            for (int i = 0; i < 32; i++) {
-                byteBuf.writeBytes(EMPTY_BIOME_DATA);
-            }
-
-            byteBuf.writeByte(0); // Border
-
-            EMPTY_CHUNK_DATA = new byte[byteBuf.readableBytes()];
-            byteBuf.readBytes(EMPTY_CHUNK_DATA);
-        } finally {
-            byteBuf.release();
-        }
     }
 
     public static int indexYZXtoXZY(int yzx) {
@@ -185,11 +168,32 @@ public class ChunkUtils {
     }
 
     public static void sendEmptyChunk(GeyserSession session, int chunkX, int chunkZ, boolean forceUpdate) {
+        BedrockDimension bedrockDimension = session.getChunkCache().getBedrockDimension();
+        int bedrockSubChunkCount = bedrockDimension.height() >> 4;
+
+        byte[] payload;
+
+        // Allocate output buffer
+        ByteBuf byteBuf = ByteBufAllocator.DEFAULT.buffer(ChunkUtils.EMPTY_BIOME_DATA.length * bedrockSubChunkCount + 1); // Consists only of biome data and border blocks
+        try {
+            byteBuf.writeBytes(EMPTY_BIOME_DATA);
+            for (int i = 1; i < bedrockSubChunkCount; i++) {
+                byteBuf.writeByte((127 << 1) | 1);
+            }
+
+            byteBuf.writeByte(0); // Border blocks - Edu edition only
+
+            payload = new byte[byteBuf.readableBytes()];
+            byteBuf.readBytes(payload);
+        } finally {
+            byteBuf.release();
+        }
+
         LevelChunkPacket data = new LevelChunkPacket();
         data.setChunkX(chunkX);
         data.setChunkZ(chunkZ);
         data.setSubChunksLength(0);
-        data.setData(EMPTY_CHUNK_DATA);
+        data.setData(payload);
         data.setCachingEnabled(false);
         session.sendUpstreamPacket(data);
 

core/src/main/java/org/geysermc/geyser/util/DimensionUtils.java

@@ -94,6 +94,8 @@ public class DimensionUtils {
         changeDimensionPacket.setPosition(pos);
         session.sendUpstreamPacket(changeDimensionPacket);
         session.setDimension(javaDimension);
+        session.setDimensionType(session.getDimensions().get(javaDimension));
+        ChunkUtils.loadDimension(session);
         player.setPosition(pos);
         session.setSpawned(false);
         session.setLastChunkPosition(null);

core/src/test/java/org/geysermc/geyser/translator/inventory/item/CustomItemsTest.java

@@ -0,0 +1,158 @@
+/*
+ * Copyright (c) 2019-2022 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.geyser.translator.inventory.item;
+
+import com.github.steveice10.opennbt.tag.builtin.ByteTag;
+import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
+import com.github.steveice10.opennbt.tag.builtin.IntTag;
+import it.unimi.dsi.fastutil.objects.Object2IntArrayMap;
+import it.unimi.dsi.fastutil.objects.Object2IntMap;
+import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap;
+import it.unimi.dsi.fastutil.objects.ObjectIntPair;
+import org.geysermc.geyser.api.item.custom.CustomItemOptions;
+import org.geysermc.geyser.api.util.TriState;
+import org.geysermc.geyser.item.GeyserCustomItemOptions;
+import org.geysermc.geyser.registry.type.ItemMapping;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.util.List;
+import java.util.OptionalInt;
+
+public class CustomItemsTest {
+    private ItemMapping testMappingWithDamage;
+    private Object2IntMap<CompoundTag> tagToCustomItemWithDamage;
+    private ItemMapping testMappingWithNoDamage;
+    private Object2IntMap<CompoundTag> tagToCustomItemWithNoDamage;
+
+    @Before
+    public void setup() {
+        CustomItemOptions a = new GeyserCustomItemOptions(TriState.TRUE, OptionalInt.of(2), OptionalInt.empty());
+        CustomItemOptions b = new GeyserCustomItemOptions(TriState.FALSE, OptionalInt.of(5), OptionalInt.empty());
+        CustomItemOptions c = new GeyserCustomItemOptions(TriState.FALSE, OptionalInt.empty(), OptionalInt.of(3));
+        CustomItemOptions d = new GeyserCustomItemOptions(TriState.TRUE, OptionalInt.empty(), OptionalInt.of(8));
+        CustomItemOptions e = new GeyserCustomItemOptions(TriState.FALSE, OptionalInt.empty(), OptionalInt.of(12));
+        CustomItemOptions f = new GeyserCustomItemOptions(TriState.FALSE, OptionalInt.of(8), OptionalInt.of(6));
+        CustomItemOptions g = new GeyserCustomItemOptions(TriState.NOT_SET, OptionalInt.of(20), OptionalInt.empty());
+
+        Object2IntMap<CustomItemOptions> optionsToId = new Object2IntArrayMap<>();
+        // Order here is important, hence why we're using an array map
+        optionsToId.put(g, 7);
+        optionsToId.put(f, 6);
+        optionsToId.put(e, 5);
+        optionsToId.put(d, 4);
+        optionsToId.put(c, 3);
+        optionsToId.put(b, 2);
+        optionsToId.put(a, 1);
+
+        tagToCustomItemWithDamage = new Object2IntOpenHashMap<>();
+
+        CompoundTag tag = new CompoundTag("");
+        tag.put(new IntTag("CustomModelData", 6));
+        // Test item with no damage should be treated as unbreakable
+        tagToCustomItemWithDamage.put(tag, optionsToId.getInt(a));
+
+        tag = new CompoundTag("");
+        addCustomModelData(20, tag);
+        // Test that an unbreakable item isn't tested for Damaged if there is no damaged predicate
+        tagToCustomItemWithDamage.put(tag, optionsToId.getInt(g));
+
+        tag = new CompoundTag("");
+        addCustomModelData(3, tag);
+        setUnbreakable(true, tag);
+        tagToCustomItemWithDamage.put(tag, optionsToId.getInt(a));
+
+        tag = new CompoundTag("");
+        addDamage(16, tag);
+        setUnbreakable(false, tag);
+        tagToCustomItemWithDamage.put(tag, optionsToId.getInt(e));
+
+        tag = new CompoundTag("");
+        addCustomModelData(7, tag);
+        addDamage(6, tag);
+        setUnbreakable(false, tag);
+        tagToCustomItemWithDamage.put(tag, optionsToId.getInt(c));
+
+        tag = new CompoundTag("");
+        addCustomModelData(9, tag);
+        addDamage(6, tag);
+        setUnbreakable(true, tag);
+        tagToCustomItemWithDamage.put(tag, optionsToId.getInt(a));
+
+        tag = new CompoundTag("");
+        addCustomModelData(9, tag);
+        addDamage(6, tag);
+        setUnbreakable(false, tag);
+        tagToCustomItemWithDamage.put(tag, optionsToId.getInt(f));
+
+        List<ObjectIntPair<CustomItemOptions>> customItemOptions = optionsToId.object2IntEntrySet().stream().map(entry -> ObjectIntPair.of(entry.getKey(), entry.getIntValue())).toList();
+
+        testMappingWithDamage = ItemMapping.builder()
+                .customItemOptions(customItemOptions)
+                .maxDamage(100)
+                .build();
+
+        // Test differences with items with no max damage
+
+        tagToCustomItemWithNoDamage = new Object2IntOpenHashMap<>();
+
+        tag = new CompoundTag("");
+        tag.put(new IntTag("CustomModelData", 2));
+        // Damage predicates existing mean an item will never match if the item mapping has no max damage
+        tagToCustomItemWithNoDamage.put(tag, -1);
+
+        testMappingWithNoDamage = ItemMapping.builder()
+                .customItemOptions(customItemOptions)
+                .maxDamage(0)
+                .build();
+    }
+
+    private void addCustomModelData(int value, CompoundTag tag) {
+        tag.put(new IntTag("CustomModelData", value));
+    }
+
+    private void addDamage(int value, CompoundTag tag) {
+        tag.put(new IntTag("Damage", value));
+    }
+
+    private void setUnbreakable(boolean value, CompoundTag tag) {
+        tag.put(new ByteTag("Unbreakable", (byte) (value ? 1 : 0)));
+    }
+
+    @Test
+    public void testCustomItems() {
+        for (Object2IntMap.Entry<CompoundTag> entry : this.tagToCustomItemWithDamage.object2IntEntrySet()) {
+            int id = CustomItemTranslator.getCustomItem(entry.getKey(), this.testMappingWithDamage);
+            Assert.assertEquals(entry.getKey() + " did not produce the correct custom item", entry.getIntValue(), id);
+        }
+
+        for (Object2IntMap.Entry<CompoundTag> entry : this.tagToCustomItemWithNoDamage.object2IntEntrySet()) {
+            int id = CustomItemTranslator.getCustomItem(entry.getKey(), this.testMappingWithNoDamage);
+            Assert.assertEquals(entry.getKey() + " did not produce the correct custom item", entry.getIntValue(), id);
+        }
+    }
+}