Merge remote-tracking branch 'origin/master' into jwt-changes

# Conflicts:
#	core/src/main/java/org/geysermc/geyser/registry/populator/BlockRegistryPopulator.java
#	core/src/main/java/org/geysermc/geyser/registry/populator/ItemRegistryPopulator.java
#	core/src/main/java/org/geysermc/geyser/util/LoginEncryptionUtils.java

.github/workflows/pullrequest.yml

@@ -31,7 +31,7 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Use author's API repo if it exists
-        if: steps.find_forks.outputs.target_branch_found == 'true'
+        if: ${{ steps.find_forks.outputs.target_branch_found == 'true' }}
         env:
           API_FORK_URL: ${{ steps.find_forks.outputs.user_fork_url }}
           API_FORK_BRANCH: ${{ github.event.pull_request.head.ref }}

README.md

@@ -14,7 +14,7 @@ The ultimate goal of this project is to allow Minecraft: Bedrock Edition users t
 
 Special thanks to the DragonProxy project for being a trailblazer in protocol translation and for all the team members who have joined us here!
 
-### Currently supporting Minecraft Bedrock 1.19.40 - 1.19.81 and Minecraft Java 1.19.4.
+### Currently supporting Minecraft Bedrock 1.19.80 - 1.20 and Minecraft Java 1.20.
 
 ## Setting Up
 Take a look [here](https://wiki.geysermc.org/geyser/setup/) for how to set up Geyser.

api/src/main/java/org/geysermc/geyser/api/GeyserApi.java

@@ -35,7 +35,9 @@ import org.geysermc.geyser.api.event.EventRegistrar;
 import org.geysermc.geyser.api.extension.ExtensionManager;
 import org.geysermc.geyser.api.network.BedrockListener;
 import org.geysermc.geyser.api.network.RemoteServer;
+import org.geysermc.geyser.api.util.PlatformType;
 
+import java.nio.file.Path;
 import java.util.List;
 import java.util.UUID;
 
@@ -107,6 +109,30 @@ public interface GeyserApi extends GeyserApiBase {
     @NonNull
     BedrockListener bedrockListener();
 
+    /**
+     * Gets the {@link Path} to the Geyser config directory.
+     *
+     * @return the path to the Geyser config directory
+     */
+    @NonNull
+    Path configDirectory();
+
+    /**
+     * Gets the {@link Path} to the Geyser packs directory.
+     *
+     * @return the path to the Geyser packs directory
+     */
+    @NonNull
+    Path packDirectory();
+
+    /**
+     * Gets {@link PlatformType} the extension is running on
+     *
+     * @return type of platform
+     */
+    @NonNull
+    PlatformType platformType();
+
     /**
      * Gets the current {@link GeyserApiBase} instance.
      *

api/src/main/java/org/geysermc/geyser/api/event/bedrock/SessionJoinEvent.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2019-2023 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.api.event.bedrock;
+
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.geysermc.geyser.api.connection.GeyserConnection;
+import org.geysermc.geyser.api.event.connection.ConnectionEvent;
+
+/**
+ * Called when Geyser session connected to a Java remote server and is in a play-ready state.
+ */
+public final class SessionJoinEvent extends ConnectionEvent {
+    public SessionJoinEvent(@NonNull GeyserConnection connection) {
+        super(connection);
+    }
+}

api/src/main/java/org/geysermc/geyser/api/event/bedrock/SessionLoadResourcePacksEvent.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2019-2023 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.api.event.bedrock;
+
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.geysermc.geyser.api.connection.GeyserConnection;
+import org.geysermc.geyser.api.event.connection.ConnectionEvent;
+import org.geysermc.geyser.api.pack.ResourcePack;
+
+import java.util.List;
+import java.util.UUID;
+
+/**
+ * Called when Geyser initializes a session for a new Bedrock client and is in the process of sending resource packs.
+ */
+public abstract class SessionLoadResourcePacksEvent extends ConnectionEvent {
+    public SessionLoadResourcePacksEvent(@NonNull GeyserConnection connection) {
+        super(connection);
+    }
+
+    /**
+     * Gets an unmodifiable list of {@link ResourcePack}s that will be sent to the client.
+     *
+     * @return an unmodifiable list of resource packs that will be sent to the client.
+     */
+    public abstract @NonNull List<ResourcePack> resourcePacks();
+
+    /**
+     * Registers a {@link ResourcePack} to be sent to the client.
+     *
+     * @param resourcePack a resource pack that will be sent to the client.
+     * @return true if the resource pack was added successfully,
+     *         or false if already present
+     */
+    public abstract boolean register(@NonNull ResourcePack resourcePack);
+
+    /**
+     * Unregisters a resource pack from being sent to the client.
+     *
+     * @param uuid the UUID of the resource pack
+     * @return true whether the resource pack was removed from the list of resource packs.
+     */
+    public abstract boolean unregister(@NonNull UUID uuid);
+}

api/src/main/java/org/geysermc/geyser/api/event/bedrock/SessionLoginEvent.java

@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 2019-2023 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.api.event.bedrock;
+
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.checkerframework.checker.nullness.qual.Nullable;
+import org.geysermc.event.Cancellable;
+import org.geysermc.geyser.api.connection.GeyserConnection;
+import org.geysermc.geyser.api.event.connection.ConnectionEvent;
+import org.geysermc.geyser.api.network.RemoteServer;
+
+/**
+ * Called when a session has logged in, and is about to connect to a remote java server.
+ * This event is cancellable, and can be used to prevent the player from connecting to the remote server.
+ */
+public final class SessionLoginEvent extends ConnectionEvent implements Cancellable {
+    private RemoteServer remoteServer;
+    private boolean cancelled;
+    private String disconnectReason;
+
+    public SessionLoginEvent(@NonNull GeyserConnection connection, @NonNull RemoteServer remoteServer) {
+        super(connection);
+        this.remoteServer = remoteServer;
+    }
+
+    /**
+     * Returns whether the event is cancelled.
+     *
+     * @return The cancel status of the event.
+     */
+    @Override
+    public boolean isCancelled() {
+        return this.cancelled;
+    }
+
+    /**
+     * Cancels the login event, and disconnects the player.
+     * If cancelled, the player disconnects without connecting to the remote server.
+     * This method will use a default disconnect reason. To specify one, use {@link #setCancelled(boolean, String)}.
+     *
+     * @param cancelled If the login event should be cancelled.
+     */
+    @Override
+    public void setCancelled(boolean cancelled) {
+        this.cancelled = cancelled;
+    }
+
+    /**
+     * Cancels the login event, and disconnects the player with the specified reason.
+     * If cancelled, the player disconnects without connecting to the remote server.
+     *
+     * @param cancelled If the login event should be cancelled.
+     * @param disconnectReason The reason for the cancellation.
+     */
+    public void setCancelled(boolean cancelled, @NonNull String disconnectReason) {
+        this.cancelled = cancelled;
+        this.disconnectReason = disconnectReason;
+    }
+
+    /**
+     * Returns the reason for the cancellation, or null if there is no reason given.
+     *
+     * @return The reason for the cancellation.
+     */
+    public @Nullable String disconnectReason() {
+        return this.disconnectReason;
+    }
+
+    /**
+     * Gets the {@link RemoteServer} the section will attempt to connect to.
+     *
+     * @return the {@link RemoteServer} the section will attempt to connect to.
+     */
+    public @NonNull RemoteServer remoteServer() {
+        return this.remoteServer;
+    }
+
+    /**
+     * Sets the {@link RemoteServer} to connect the session to.
+     *
+     * @param remoteServer Sets the {@link RemoteServer} to connect to.
+     */
+    public void remoteServer(@NonNull RemoteServer remoteServer) {
+        this.remoteServer = remoteServer;
+    }
+}

api/src/main/java/org/geysermc/geyser/api/pack/PackCodec.java

@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2019-2023 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.api.pack;
+
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.geysermc.geyser.api.GeyserApi;
+
+import java.io.IOException;
+import java.nio.channels.SeekableByteChannel;
+import java.nio.file.Path;
+
+/**
+ * Represents a pack codec that can be used
+ * to provide resource packs to clients.
+ */
+public abstract class PackCodec {
+
+    /**
+     * Gets the sha256 hash of the resource pack.
+     *
+     * @return the hash of the resource pack
+     */
+    public abstract byte @NonNull [] sha256();
+
+    /**
+     * Gets the resource pack size.
+     *
+     * @return the resource pack file size
+     */
+    public abstract long size();
+
+    /**
+     * Serializes the given resource pack into a byte buffer.
+     *
+     * @param resourcePack the resource pack to serialize
+     * @return the serialized resource pack
+     */
+    @NonNull
+    public abstract SeekableByteChannel serialize(@NonNull ResourcePack resourcePack) throws IOException;
+
+    /**
+     * Creates a new resource pack from this codec.
+     *
+     * @return the new resource pack
+     */
+    @NonNull
+    protected abstract ResourcePack create();
+
+    /**
+     * Creates a new pack provider from the given path.
+     *
+     * @param path the path to create the pack provider from
+     * @return the new pack provider
+     */
+    @NonNull
+    public static PackCodec path(@NonNull Path path) {
+        return GeyserApi.api().provider(PathPackCodec.class, path);
+    }
+}

api/src/main/java/org/geysermc/geyser/api/pack/PathPackCodec.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
+ * Copyright (c) 2019-2023 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
@@ -23,21 +23,23 @@
  * @link https://github.com/GeyserMC/Geyser
  */
 
-package org.geysermc.common;
+package org.geysermc.geyser.api.pack;
 
-import lombok.AllArgsConstructor;
-import lombok.Getter;
+import org.checkerframework.checker.nullness.qual.NonNull;
 
-@Getter
-@AllArgsConstructor
-public enum PlatformType {
-    ANDROID("Android"),
-    BUNGEECORD("BungeeCord"),
-    FABRIC("Fabric"),
-    SPIGOT("Spigot"),
-    SPONGE("Sponge"),
-    STANDALONE("Standalone"),
-    VELOCITY("Velocity");
+import java.nio.file.Path;
 
-    private final String platformName;
+/**
+ * Represents a pack codec that creates a resource
+ * pack from a path on the filesystem.
+ */
+public abstract class PathPackCodec extends PackCodec {
+
+    /**
+     * Gets the path of the resource pack.
+     *
+     * @return the path of the resource pack
+     */
+    @NonNull
+    public abstract Path path();
 }

api/src/main/java/org/geysermc/geyser/api/pack/ResourcePack.java

@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2019-2023 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.api.pack;
+
+import org.checkerframework.checker.nullness.qual.NonNull;
+
+/**
+ * Represents a resource pack sent to Bedrock clients
+ * <p>
+ * This representation of a resource pack only contains what
+ * Geyser requires to send it to the client.
+ */
+public interface ResourcePack {
+
+    /**
+     * The {@link PackCodec codec} for this pack.
+     *
+     * @return the codec for this pack
+     */
+    @NonNull
+    PackCodec codec();
+
+    /**
+     * Gets the resource pack manifest.
+     *
+     * @return the resource pack manifest
+     */
+    @NonNull
+    ResourcePackManifest manifest();
+
+    /**
+     * Gets the content key of the resource pack. Lack of a content key is represented by an empty String.
+     *
+     * @return the content key of the resource pack
+     */
+    @NonNull
+    String contentKey();
+
+    /**
+     * Creates a resource pack with the given {@link PackCodec}.
+     *
+     * @param codec the pack codec
+     * @return the resource pack
+     */
+    @NonNull
+    static ResourcePack create(@NonNull PackCodec codec) {
+        return codec.create();
+    }
+}

api/src/main/java/org/geysermc/geyser/api/pack/ResourcePackManifest.java

@@ -0,0 +1,209 @@
+/*
+ * Copyright (c) 2019-2023 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.api.pack;
+
+import org.checkerframework.checker.nullness.qual.NonNull;
+
+import java.util.Collection;
+import java.util.UUID;
+
+/**
+ * Represents a resource pack manifest.
+ */
+public interface ResourcePackManifest {
+
+    /**
+     * Gets the format version of the resource pack.
+     *
+     * @return the format version
+     */
+    int formatVersion();
+
+    /**
+     * Gets the header of the resource pack.
+     *
+     * @return the header
+     */
+    @NonNull
+    Header header();
+
+    /**
+     * Gets the modules of the resource pack.
+     *
+     * @return the modules
+     */
+    @NonNull
+    Collection<? extends Module> modules();
+
+    /**
+     * Gets the dependencies of the resource pack.
+     *
+     * @return the dependencies
+     */
+    @NonNull
+    Collection<? extends Dependency> dependencies();
+
+    /**
+     * Represents the header of a resource pack.
+     */
+    interface Header {
+
+        /**
+         * Gets the UUID of the resource pack.
+         *
+         * @return the UUID
+         */
+        @NonNull
+        UUID uuid();
+
+        /**
+         * Gets the version of the resource pack.
+         *
+         * @return the version
+         */
+        @NonNull
+        Version version();
+
+        /**
+         * Gets the name of the resource pack.
+         *
+         * @return the name
+         */
+        @NonNull
+        String name();
+
+        /**
+         * Gets the description of the resource pack.
+         *
+         * @return the description
+         */
+        @NonNull
+        String description();
+
+        /**
+         * Gets the minimum supported Minecraft version of the resource pack.
+         *
+         * @return the minimum supported Minecraft version
+         */
+        @NonNull
+        Version minimumSupportedMinecraftVersion();
+    }
+
+    /**
+     * Represents a module of a resource pack.
+     */
+    interface Module {
+
+        /**
+         * Gets the UUID of the module.
+         *
+         * @return the UUID
+         */
+        @NonNull
+        UUID uuid();
+
+        /**
+         * Gets the version of the module.
+         *
+         * @return the version
+         */
+        @NonNull
+        Version version();
+
+        /**
+         * Gets the type of the module.
+         *
+         * @return the type
+         */
+        @NonNull
+        String type();
+
+        /**
+         * Gets the description of the module.
+         *
+         * @return the description
+         */
+        @NonNull
+        String description();
+    }
+
+    /**
+     * Represents a dependency of a resource pack.
+     */
+    interface Dependency {
+
+        /**
+         * Gets the UUID of the dependency.
+         *
+         * @return the uuid
+         */
+        @NonNull
+        UUID uuid();
+
+        /**
+         * Gets the version of the dependency.
+         *
+         * @return the version
+         */
+        @NonNull
+        Version version();
+    }
+
+    /**
+     * Represents a version of a resource pack.
+     */
+    interface Version {
+
+        /**
+         * Gets the major version.
+         *
+         * @return the major version
+         */
+        int major();
+
+        /**
+         * Gets the minor version.
+         *
+         * @return the minor version
+         */
+        int minor();
+
+        /**
+         * Gets the patch version.
+         *
+         * @return the patch version
+         */
+        int patch();
+
+        /**
+         * Gets the version formatted as a String.
+         *
+         * @return the version string
+         */
+        @NonNull String toString();
+    }
+}
+

api/src/main/java/org/geysermc/geyser/api/util/PlatformType.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2019-2023 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.api.util;
+
+/**
+ * Represents the platform Geyser is running on.
+ */
+public record PlatformType(String platformName) {
+    public static final PlatformType ANDROID = new PlatformType("Android");
+    public static final PlatformType BUNGEECORD = new PlatformType("BungeeCord");
+    public static final PlatformType FABRIC = new PlatformType("Fabric");
+    public static final PlatformType SPIGOT = new PlatformType("Spigot");
+    public static final PlatformType SPONGE = new PlatformType("Sponge");
+    public static final PlatformType STANDALONE = new PlatformType("Standalone");
+    public static final PlatformType VELOCITY = new PlatformType("Velocity");
+}

bootstrap/bungeecord/build.gradle.kts

@@ -8,6 +8,7 @@ platformRelocate("net.md_5.bungee.jni")
 platformRelocate("com.fasterxml.jackson")
 platformRelocate("io.netty.channel.kqueue") // This is not used because relocating breaks natives, but we must include it or else we get ClassDefNotFound
 platformRelocate("net.kyori")
+platformRelocate("org.yaml") // Broken as of 1.20
 
 // These dependencies are already present on the platform
 provided(libs.bungeecord.proxy)
@@ -21,7 +22,6 @@ tasks.withType<com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar> {
 
     dependencies {
         exclude(dependency("com.google.*:.*"))
-        exclude(dependency("org.yaml:.*"))
         exclude(dependency("io.netty:netty-transport-native-epoll:.*"))
         exclude(dependency("io.netty:netty-transport-native-unix-common:.*"))
         exclude(dependency("io.netty:netty-handler:.*"))
@@ -32,4 +32,4 @@ tasks.withType<com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar> {
         exclude(dependency("io.netty:netty-codec:.*"))
         exclude(dependency("io.netty:netty-resolver-dns:.*"))
     }
-}
+}

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

@@ -31,7 +31,7 @@ import net.md_5.bungee.api.config.ListenerInfo;
 import net.md_5.bungee.api.plugin.Plugin;
 import net.md_5.bungee.protocol.ProtocolConstants;
 import org.checkerframework.checker.nullness.qual.Nullable;
-import org.geysermc.common.PlatformType;
+import org.geysermc.geyser.api.util.PlatformType;
 import org.geysermc.geyser.GeyserBootstrap;
 import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.api.command.Command;

bootstrap/fabric/build.gradle.kts

@@ -1,3 +1,5 @@
+import net.fabricmc.loom.task.RemapJarTask
+
 plugins {
     id("fabric-loom") version "1.0-SNAPSHOT"
     id("com.modrinth.minotaur") version "2.+"
@@ -89,8 +91,16 @@ tasks {
         dependsOn(shadowJar)
         inputFile.set(shadowJar.get().archiveFile)
         archiveBaseName.set("Geyser-Fabric")
-        archiveClassifier.set("")
         archiveVersion.set("")
+        archiveClassifier.set("")
+    }
+
+    register("remapModrinthJar", RemapJarTask::class) {
+        dependsOn(shadowJar)
+        inputFile.set(shadowJar.get().archiveFile)
+        archiveBaseName.set("geyser-fabric")
+        archiveVersion.set(project.version.toString() + "+build."  + System.getenv("GITHUB_RUN_NUMBER"))
+        archiveClassifier.set("")
     }
 }
 
@@ -103,12 +113,13 @@ modrinth {
 
     syncBodyFrom.set(rootProject.file("README.md").readText())
 
-    uploadFile.set(tasks.getByPath("remapJar"))
-    gameVersions.addAll("1.19", "1.19.1", "1.19.2", "1.19.3", "1.19.4")
+    uploadFile.set(tasks.getByPath("remapModrinthJar"))
+    gameVersions.addAll("1.20")
 
     loaders.add("fabric")
+    failSilently.set(true)
 
     dependencies {
         required.project("fabric-api")
     }
-}
+}

bootstrap/fabric/src/main/java/org/geysermc/geyser/platform/fabric/GeyserFabricMod.java

@@ -36,7 +36,7 @@ import net.minecraft.commands.CommandSourceStack;
 import net.minecraft.commands.Commands;
 import net.minecraft.server.MinecraftServer;
 import org.apache.logging.log4j.LogManager;
-import org.geysermc.common.PlatformType;
+import org.geysermc.geyser.api.util.PlatformType;
 import org.geysermc.geyser.GeyserBootstrap;
 import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.GeyserLogger;
@@ -217,10 +217,12 @@ public class GeyserFabricMod implements ModInitializer, GeyserBootstrap {
         return this.server.getServerVersion();
     }
 
+    @SuppressWarnings("ConstantConditions") // IDEA thinks that ip cannot be null
     @NotNull
     @Override
     public String getServerBindAddress() {
-        return this.server.getLocalIp();
+        String ip = this.server.getLocalIp();
+        return ip != null ? ip : ""; // See issue #3812
     }
 
     @Override

bootstrap/fabric/src/main/java/org/geysermc/geyser/platform/fabric/world/GeyserFabricWorldManager.java

@@ -72,7 +72,7 @@ public class GeyserFabricWorldManager extends GeyserWorldManager {
                 return;
             }
 
-            LevelChunk chunk = player.getLevel().getChunk(x, z);
+            LevelChunk chunk = player.level().getChunk(x, z);
             final int chunkBlockX = x << 4;
             final int chunkBlockZ = z << 4;
             for (int i = 0; i < blockEntityInfos.size(); i++) {
@@ -92,7 +92,7 @@ public class GeyserFabricWorldManager extends GeyserWorldManager {
                 return;
             }
 
-            BlockEntity blockEntity = player.level.getBlockEntity(new BlockPos(x, y, z));
+            BlockEntity blockEntity = player.level().getBlockEntity(new BlockPos(x, y, z));
             sendLecternData(session, blockEntity, false);
         });
     }
@@ -166,7 +166,7 @@ public class GeyserFabricWorldManager extends GeyserWorldManager {
 
             BlockPos pos = new BlockPos(x, y, z);
             // Don't create a new block entity if invalid
-            BlockEntity blockEntity = player.level.getChunkAt(pos).getBlockEntity(pos);
+            BlockEntity blockEntity = player.level().getChunkAt(pos).getBlockEntity(pos);
             if (blockEntity instanceof BannerBlockEntity banner) {
                 // Potentially exposes other NBT data? But we need to get the NBT data for the banner patterns *and*
                 // the banner might have a custom name, both of which a Java client knows and caches

bootstrap/fabric/src/main/resources/fabric.mod.json

@@ -23,9 +23,9 @@
     "geyser-fabric.mixins.json"
   ],
   "depends": {
-    "fabricloader": ">=0.14.8",
+    "fabricloader": ">=0.14.21",
     "fabric": "*",
-    "minecraft": ">=1.19",
+    "minecraft": ">=1.20",
     "fabric-permissions-api-v0": "*"
   }
 }

bootstrap/spigot/build.gradle.kts

@@ -29,6 +29,7 @@ platformRelocate("com.fasterxml.jackson")
 platformRelocate("net.kyori", "net.kyori.adventure.text.logger.slf4j.ComponentLogger")
 platformRelocate("org.objectweb.asm")
 platformRelocate("me.lucko.commodore")
+platformRelocate("org.yaml") // Broken as of 1.20
 
 // These dependencies are already present on the platform
 provided(libs.viaversion)
@@ -42,7 +43,6 @@ tasks.withType<com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar> {
 
     dependencies {
         exclude(dependency("com.google.*:.*"))
-        exclude(dependency("org.yaml:.*"))
 
         // We cannot shade Netty, or else native libraries will not load
         // Needed because older Spigot builds do not provide the haproxy module
@@ -64,4 +64,4 @@ tasks.withType<com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar> {
         // Commodore includes Brigadier
         exclude(dependency("com.mojang:.*"))
     }
-}
+}

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

@@ -42,7 +42,7 @@ import org.bukkit.permissions.Permission;
 import org.bukkit.permissions.PermissionDefault;
 import org.bukkit.plugin.Plugin;
 import org.bukkit.plugin.java.JavaPlugin;
-import org.geysermc.common.PlatformType;
+import org.geysermc.geyser.api.util.PlatformType;
 import org.geysermc.geyser.Constants;
 import org.geysermc.geyser.GeyserBootstrap;
 import org.geysermc.geyser.GeyserImpl;

bootstrap/sponge/src/main/java/org/geysermc/geyser/platform/sponge/GeyserSpongePlugin.java

@@ -27,7 +27,7 @@ package org.geysermc.geyser.platform.sponge;
 
 import com.google.inject.Inject;
 import org.apache.logging.log4j.Logger;
-import org.geysermc.common.PlatformType;
+import org.geysermc.geyser.api.util.PlatformType;
 import org.geysermc.geyser.GeyserBootstrap;
 import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.api.command.Command;

bootstrap/standalone/build.gradle.kts

@@ -7,10 +7,8 @@ dependencies {
     api(projects.core)
 
     implementation(libs.terminalconsoleappender) {
-        exclude("org.apache.logging.log4j", "log4j-core")
-        exclude("org.jline", "jline-reader")
-        exclude("org.jline", "jline-terminal")
-        exclude("org.jline", "jline-terminal-jna")
+        exclude("org.apache.logging.log4j")
+        exclude("org.jline")
     }
 
     implementation(libs.bundles.jline)

bootstrap/standalone/src/main/java/org/geysermc/geyser/platform/standalone/GeyserStandaloneBootstrap.java

@@ -38,7 +38,7 @@ import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.core.Appender;
 import org.apache.logging.log4j.core.Logger;
 import org.apache.logging.log4j.core.appender.ConsoleAppender;
-import org.geysermc.common.PlatformType;
+import org.geysermc.geyser.api.util.PlatformType;
 import org.geysermc.geyser.GeyserBootstrap;
 import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.command.GeyserCommandManager;
@@ -181,14 +181,14 @@ public class GeyserStandaloneBootstrap implements GeyserBootstrap {
             }
         }
 
+        this.geyserLogger = new GeyserStandaloneLogger();
+
         if (useGui && gui == null) {
-            gui = new GeyserStandaloneGUI();
+            gui = new GeyserStandaloneGUI(geyserLogger);
             gui.redirectSystemStreams();
             gui.startUpdateThread();
         }
 
-        geyserLogger = new GeyserStandaloneLogger();
-
         LoopbackUtil.checkAndApplyLoopback(geyserLogger);
         
         try {
@@ -224,7 +224,7 @@ public class GeyserStandaloneBootstrap implements GeyserBootstrap {
         geyserCommandManager.init();
 
         if (gui != null) {
-            gui.setupInterface(geyserLogger, geyserCommandManager);
+            gui.enableCommands(geyser.getScheduledThread(), geyserCommandManager);
         }
 
         geyserPingPassthrough = GeyserLegacyPingPassthrough.init(geyser);

bootstrap/standalone/src/main/java/org/geysermc/geyser/platform/standalone/GeyserStandaloneLogger.java

@@ -92,6 +92,7 @@ public class GeyserStandaloneLogger extends SimpleTerminalConsole implements Gey
         Configurator.setLevel(log.getName(), debug ? Level.DEBUG : Level.INFO);
     }
 
+    @Override
     public boolean isDebug() {
         return log.isDebugEnabled();
     }

bootstrap/standalone/src/main/java/org/geysermc/geyser/platform/standalone/gui/ColorPane.java

@@ -86,7 +86,7 @@ public class ColorPane extends JTextPane {
             while (stillSearching) {
                 mIndex = addString.indexOf("m", aPos); // find the end of the escape sequence
                 if (mIndex < 0) { // the buffer ends halfway through the ansi string!
-                    remaining = addString.substring(aPos, addString.length());
+                    remaining = addString.substring(aPos);
                     stillSearching = false;
                     continue;
                 } else {
@@ -99,7 +99,7 @@ public class ColorPane extends JTextPane {
                 aIndex = addString.indexOf("\u001B", aPos);
 
                 if (aIndex == -1) { // if that was the last sequence of the input, send remaining text
-                    tmpString = addString.substring(aPos, addString.length());
+                    tmpString = addString.substring(aPos);
                     append(colorCurrent, tmpString);
                     stillSearching = false;
                     continue; // jump out of loop early, as the whole string has been sent now

bootstrap/standalone/src/main/java/org/geysermc/geyser/platform/standalone/gui/GeyserStandaloneGUI.java

@@ -26,10 +26,8 @@
 package org.geysermc.geyser.platform.standalone.gui;
 
 import org.geysermc.geyser.GeyserImpl;
-import org.geysermc.geyser.api.command.Command;
-import org.geysermc.geyser.command.GeyserCommand;
+import org.geysermc.geyser.GeyserLogger;
 import org.geysermc.geyser.command.GeyserCommandManager;
-import org.geysermc.geyser.platform.standalone.GeyserStandaloneLogger;
 import org.geysermc.geyser.session.GeyserSession;
 import org.geysermc.geyser.text.GeyserLocale;
 
@@ -45,28 +43,37 @@ import java.io.PrintStream;
 import java.net.URL;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Map;
 import java.util.Vector;
 import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
+import java.util.function.Consumer;
 
 public class GeyserStandaloneGUI {
 
-    private static final DefaultTableModel playerTableModel = new DefaultTableModel();
-    private static final List<Integer> ramValues = new ArrayList<>();
-
-    private static final ColorPane consolePane = new ColorPane();
-    private static final GraphPanel ramGraph = new GraphPanel();
-    private static final JTable playerTable = new JTable(playerTableModel);
-    private static final int originalFontSize = consolePane.getFont().getSize();
-
     private static final long MEGABYTE = 1024L * 1024L;
 
-    private final JMenu commandsMenu;
-    private final JMenu optionsMenu;
+    private final GeyserLogger logger;
+
+    private final ColorPane consolePane = new ColorPane();
+    private final int originalFontSize = consolePane.getFont().getSize();
+    private final JTextField commandInput = new JTextField();
+    private final CommandListener commandListener = new CommandListener();
+
+    private final GraphPanel ramGraph = new GraphPanel();
+    private final List<Integer> ramValues = new ArrayList<>();
+
+    private final DefaultTableModel playerTableModel = new DefaultTableModel();
+    private final JTable playerTable = new JTable(playerTableModel);
+
+    /**
+     * Create and show the Geyser-Standalone GUI
+     *
+     * @param logger the logger for determining debug mode, and executing commands from the console
+     */
+    public GeyserStandaloneGUI(GeyserLogger logger) {
+        this.logger = logger;
 
-    public GeyserStandaloneGUI() {
         // Create the frame and setup basic settings
         JFrame frame = new JFrame(GeyserLocale.getLocaleStringLog("geyser.gui.title"));
         frame.setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
@@ -81,8 +88,7 @@ public class GeyserStandaloneGUI {
         // Show a confirm dialog on close
         frame.addWindowListener(new WindowAdapter() {
             @Override
-            public void windowClosing(WindowEvent we)
-            {
+            public void windowClosing(WindowEvent we) {
                 String[] buttons = {GeyserLocale.getLocaleStringLog("geyser.gui.exit.confirm"), GeyserLocale.getLocaleStringLog("geyser.gui.exit.deny")};
                 int result = JOptionPane.showOptionDialog(frame, GeyserLocale.getLocaleStringLog("geyser.gui.exit.message"), frame.getTitle(), JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE, null, buttons, buttons[1]);
                 if (result == JOptionPane.YES_OPTION) {
@@ -100,91 +106,41 @@ public class GeyserStandaloneGUI {
             frame.setIconImage(icon.getImage());
         }
 
+        // File, View, Options, etc
+        setupMenuBar(frame);
+
         // Setup the split pane and event listeners
         JSplitPane splitPane = new JSplitPane();
         splitPane.setDividerLocation(600);
-        splitPane.addPropertyChangeListener("dividerLocation", e -> splitPaneLimit((JSplitPane)e.getSource()));
+        splitPane.addPropertyChangeListener("dividerLocation", e -> splitPaneLimit((JSplitPane) e.getSource()));
         splitPane.addComponentListener(new ComponentAdapter() {
             public void componentResized(ComponentEvent e) {
-                splitPaneLimit((JSplitPane)e.getSource());
+                splitPaneLimit((JSplitPane) e.getSource());
             }
         });
 
         cp.add(splitPane, BorderLayout.CENTER);
 
-        // Set the background and disable input for the text pane
+        // Holds console and command input components
+        JPanel leftPane = new JPanel(new BorderLayout());
+        splitPane.setLeftComponent(leftPane);
+
+        // Set the background and disable editing of the console
         consolePane.setBackground(Color.BLACK);
         consolePane.setEditable(false);
 
         // Wrap the text pane in a scroll pane and add it to the form
         JScrollPane consoleScrollPane = new JScrollPane(consolePane);
-        //cp.add(consoleScrollPane, BorderLayout.CENTER);
-        splitPane.setLeftComponent(consoleScrollPane);
+        leftPane.add(consoleScrollPane, BorderLayout.CENTER);
 
-        // Create a new menu bar for the top of the frame
-        JMenuBar menuBar = new JMenuBar();
-
-        // Create 'File'
-        JMenu fileMenu = new JMenu(GeyserLocale.getLocaleStringLog("geyser.gui.menu.file"));
-        fileMenu.setMnemonic(KeyEvent.VK_F);
-        menuBar.add(fileMenu);
-
-        // 'Open Geyser folder' button
-        JMenuItem openButton = new JMenuItem(GeyserLocale.getLocaleStringLog("geyser.gui.menu.file.open_folder"), KeyEvent.VK_O);
-        openButton.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, InputEvent.CTRL_MASK));
-        openButton.addActionListener(e -> {
-            try {
-                Desktop.getDesktop().open(new File("./"));
-            } catch (IOException ignored) { }
-        });
-        fileMenu.add(openButton);
-
-        fileMenu.addSeparator();
-
-        // 'Exit' button
-        JMenuItem exitButton = new JMenuItem(GeyserLocale.getLocaleStringLog("geyser.gui.menu.file.exit"), KeyEvent.VK_X);
-        exitButton.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F4, InputEvent.ALT_MASK));
-        exitButton.addActionListener(e -> System.exit(0));
-        fileMenu.add(exitButton);
-
-        // Create 'Commands'
-        commandsMenu = new JMenu(GeyserLocale.getLocaleStringLog("geyser.gui.menu.commands"));
-        commandsMenu.setMnemonic(KeyEvent.VK_C);
-        menuBar.add(commandsMenu);
-
-        // Create 'View'
-        JMenu viewMenu = new JMenu(GeyserLocale.getLocaleStringLog("geyser.gui.menu.view"));
-        viewMenu.setMnemonic(KeyEvent.VK_V);
-        menuBar.add(viewMenu);
-
-        // 'Zoom in' button
-        JMenuItem zoomInButton = new JMenuItem(GeyserLocale.getLocaleStringLog("geyser.gui.menu.view.zoom_in"));
-        zoomInButton.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_EQUALS, InputEvent.CTRL_DOWN_MASK));
-        zoomInButton.addActionListener(e -> consolePane.setFont(new Font(consolePane.getFont().getName(), consolePane.getFont().getStyle(), consolePane.getFont().getSize() + 1)));
-        viewMenu.add(zoomInButton);
-
-        // 'Zoom in' button
-        JMenuItem zoomOutButton = new JMenuItem(GeyserLocale.getLocaleStringLog("geyser.gui.menu.view.zoom_out"));
-        zoomOutButton.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_MINUS, InputEvent.CTRL_DOWN_MASK));
-        zoomOutButton.addActionListener(e -> consolePane.setFont(new Font(consolePane.getFont().getName(), consolePane.getFont().getStyle(), consolePane.getFont().getSize() - 1)));
-        viewMenu.add(zoomOutButton);
-
-        // 'Reset Zoom' button
-        JMenuItem resetZoomButton = new JMenuItem(GeyserLocale.getLocaleStringLog("geyser.gui.menu.view.reset_zoom"));
-        resetZoomButton.addActionListener(e -> consolePane.setFont(new Font(consolePane.getFont().getName(), consolePane.getFont().getStyle(), originalFontSize)));
-        viewMenu.add(resetZoomButton);
-
-        // create 'Options'
-        optionsMenu = new JMenu(GeyserLocale.getLocaleStringLog("geyser.gui.menu.options"));
-        viewMenu.setMnemonic(KeyEvent.VK_O);
-        menuBar.add(optionsMenu);
-
-        // Set the frames menu bar
-        frame.setJMenuBar(menuBar);
+        // a bit taller than the default layout - width is ignored fortunately
+        commandInput.setPreferredSize(new Dimension(100, 25));
+        commandInput.setEnabled(false); // disabled until command handler is initialized
+        commandInput.addActionListener(commandListener);
+        leftPane.add(commandInput, BorderLayout.SOUTH);
 
         JPanel rightPane = new JPanel();
         rightPane.setLayout(new CardLayout(5, 5));
-        //cp.add(rightPane, BorderLayout.EAST);
         splitPane.setRightComponent(rightPane);
 
         JPanel rightContentPane = new JPanel();
@@ -209,12 +165,75 @@ public class GeyserStandaloneGUI {
         frame.setVisible(true);
     }
 
+    private void setupMenuBar(JFrame frame) {
+        // Create a new menu bar for the top of the frame
+        JMenuBar menuBar = new JMenuBar();
+
+        // Create 'File'
+        JMenu fileMenu = new JMenu(GeyserLocale.getLocaleStringLog("geyser.gui.menu.file"));
+        fileMenu.setMnemonic(KeyEvent.VK_F);
+        menuBar.add(fileMenu);
+
+        // 'Open Geyser folder' button
+        JMenuItem openButton = new JMenuItem(GeyserLocale.getLocaleStringLog("geyser.gui.menu.file.open_folder"), KeyEvent.VK_O);
+        openButton.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O, InputEvent.CTRL_DOWN_MASK));
+        openButton.addActionListener(e -> {
+            try {
+                Desktop.getDesktop().open(new File("./"));
+            } catch (IOException ignored) { }
+        });
+        fileMenu.add(openButton);
+
+        fileMenu.addSeparator();
+
+        // 'Exit' button
+        JMenuItem exitButton = new JMenuItem(GeyserLocale.getLocaleStringLog("geyser.gui.menu.file.exit"), KeyEvent.VK_X);
+        exitButton.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_F4, InputEvent.ALT_DOWN_MASK));
+        exitButton.addActionListener(e -> System.exit(0));
+        fileMenu.add(exitButton);
+
+        // Create 'View'
+        JMenu viewMenu = new JMenu(GeyserLocale.getLocaleStringLog("geyser.gui.menu.view"));
+        viewMenu.setMnemonic(KeyEvent.VK_V);
+        menuBar.add(viewMenu);
+
+        // 'Zoom in' button
+        JMenuItem zoomInButton = new JMenuItem(GeyserLocale.getLocaleStringLog("geyser.gui.menu.view.zoom_in"));
+        zoomInButton.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_EQUALS, InputEvent.CTRL_DOWN_MASK));
+        zoomInButton.addActionListener(e -> consolePane.setFont(new Font(consolePane.getFont().getName(), consolePane.getFont().getStyle(), consolePane.getFont().getSize() + 1)));
+        viewMenu.add(zoomInButton);
+
+        // 'Zoom in' button
+        JMenuItem zoomOutButton = new JMenuItem(GeyserLocale.getLocaleStringLog("geyser.gui.menu.view.zoom_out"));
+        zoomOutButton.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_MINUS, InputEvent.CTRL_DOWN_MASK));
+        zoomOutButton.addActionListener(e -> consolePane.setFont(new Font(consolePane.getFont().getName(), consolePane.getFont().getStyle(), consolePane.getFont().getSize() - 1)));
+        viewMenu.add(zoomOutButton);
+
+        // 'Reset Zoom' button
+        JMenuItem resetZoomButton = new JMenuItem(GeyserLocale.getLocaleStringLog("geyser.gui.menu.view.reset_zoom"));
+        resetZoomButton.addActionListener(e -> consolePane.setFont(new Font(consolePane.getFont().getName(), consolePane.getFont().getStyle(), originalFontSize)));
+        viewMenu.add(resetZoomButton);
+
+        // create 'Options'
+        JMenu optionsMenu = new JMenu(GeyserLocale.getLocaleStringLog("geyser.gui.menu.options"));
+        viewMenu.setMnemonic(KeyEvent.VK_O);
+        menuBar.add(optionsMenu);
+
+        JCheckBoxMenuItem debugMode = new JCheckBoxMenuItem(GeyserLocale.getLocaleStringLog("geyser.gui.menu.options.toggle_debug_mode"));
+        debugMode.setSelected(logger.isDebug());
+        debugMode.addActionListener(e -> logger.setDebug(debugMode.getState()));
+        optionsMenu.add(debugMode);
+
+        // Set the frames menu bar
+        frame.setJMenuBar(menuBar);
+    }
+
     /**
      * Queue up an update to the text pane so we don't block the main thread
      *
      * @param text The text to append
      */
-    private void updateTextPane(final String text) {
+    private void appendConsole(final String text) {
         SwingUtilities.invokeLater(() -> {
             consolePane.appendANSI(text);
             Document doc = consolePane.getDocument();
@@ -230,12 +249,12 @@ public class GeyserStandaloneGUI {
         OutputStream out = new OutputStream() {
             @Override
             public void write(final int b) {
-                updateTextPane(String.valueOf((char) b));
+                appendConsole(String.valueOf((char) b));
             }
 
             @Override
             public void write(byte[] b, int off, int len) {
-                updateTextPane(new String(b, off, len));
+                appendConsole(new String(b, off, len));
             }
 
             @Override
@@ -251,50 +270,17 @@ public class GeyserStandaloneGUI {
     }
 
     /**
-     * Add all the Geyser commands to the commands menu, and setup the debug mode toggle
+     * Enable the command input box.
      *
-     * @param geyserStandaloneLogger The current logger
-     * @param geyserCommandManager The commands manager
+     * @param executor the executor for running commands off the GUI thread
+     * @param commandManager the command manager to delegate commands to
      */
-    public void setupInterface(GeyserStandaloneLogger geyserStandaloneLogger, GeyserCommandManager geyserCommandManager) {
-        commandsMenu.removeAll();
-        optionsMenu.removeAll();
-
-        for (Map.Entry<String, Command> entry : geyserCommandManager.getCommands().entrySet()) {
-            // Remove the offhand command and any alias commands to prevent duplicates in the list
-            if (!entry.getValue().isExecutableOnConsole() || entry.getValue().aliases().contains(entry.getKey())) {
-                continue;
-            }
-
-            GeyserCommand command = (GeyserCommand) entry.getValue();
-            // Create the button that runs the command
-            boolean hasSubCommands = !entry.getValue().subCommands().isEmpty();
-            // Add an extra menu if there are more commands that can be run
-            JMenuItem commandButton = hasSubCommands ? new JMenu(entry.getValue().name()) : new JMenuItem(entry.getValue().name());
-            commandButton.getAccessibleContext().setAccessibleDescription(entry.getValue().description());
-            if (!hasSubCommands) {
-                commandButton.addActionListener(e -> command.execute(null, geyserStandaloneLogger, new String[]{ }));
-            } else {
-                // Add a submenu that's the same name as the menu can't be pressed
-                JMenuItem otherCommandButton = new JMenuItem(entry.getValue().name());
-                otherCommandButton.getAccessibleContext().setAccessibleDescription(entry.getValue().description());
-                otherCommandButton.addActionListener(e -> command.execute(null, geyserStandaloneLogger, new String[]{ }));
-                commandButton.add(otherCommandButton);
-                // Add a menu option for all possible subcommands
-                for (String subCommandName : entry.getValue().subCommands()) {
-                    JMenuItem item = new JMenuItem(subCommandName);
-                    item.addActionListener(e -> command.execute(null, geyserStandaloneLogger, new String[]{subCommandName}));
-                    commandButton.add(item);
-                }
-            }
-            commandsMenu.add(commandButton);
-        }
-
-        // 'Debug Mode' toggle
-        JCheckBoxMenuItem debugMode = new JCheckBoxMenuItem(GeyserLocale.getLocaleStringLog("geyser.gui.menu.options.toggle_debug_mode"));
-        debugMode.setSelected(geyserStandaloneLogger.isDebug());
-        debugMode.addActionListener(e -> geyserStandaloneLogger.setDebug(!geyserStandaloneLogger.isDebug()));
-        optionsMenu.add(debugMode);
+    public void enableCommands(ScheduledExecutorService executor, GeyserCommandManager commandManager) {
+        // we don't want to block the GUI thread with the command execution
+        // todo: once cloud is used, an AsynchronousCommandExecutionCoordinator can be used to avoid this scheduler
+        commandListener.handler = cmd -> executor.schedule(() -> commandManager.runCommand(logger, cmd), 0, TimeUnit.SECONDS);
+        commandInput.setEnabled(true);
+        commandInput.requestFocusInWindow();
     }
 
     /**
@@ -322,14 +308,14 @@ public class GeyserStandaloneGUI {
             // Update ram graph
             final long freeMemory = Runtime.getRuntime().freeMemory();
             final long totalMemory = Runtime.getRuntime().totalMemory();
-            final int freePercent = (int)(freeMemory * 100.0 / totalMemory + 0.5);
+            final int freePercent = (int) (freeMemory * 100.0 / totalMemory + 0.5);
             ramValues.add(100 - freePercent);
 
             ramGraph.setXLabel(GeyserLocale.getLocaleStringLog("geyser.gui.graph.usage", String.format("%,d", (totalMemory - freeMemory) / MEGABYTE), freePercent));
 
             // Trim the list
             int k = ramValues.size();
-            if ( k > 10 )
+            if (k > 10)
                 ramValues.subList(0, k - 10).clear();
 
             // Update the graph
@@ -354,4 +340,17 @@ public class GeyserStandaloneGUI {
             splitPane.setDividerLocation(frame.getWidth() - 200);
         }
     }
+
+    private class CommandListener implements ActionListener {
+
+        private Consumer<String> handler;
+
+        @Override
+        public void actionPerformed(ActionEvent e) {
+            String command = commandInput.getText();
+            appendConsole(command + "\n"); // show what was run in the console
+            handler.accept(command); // run the command
+            commandInput.setText(""); // clear the input
+        }
+    }
 }

bootstrap/standalone/src/main/resources/log4j2.xml

@@ -2,10 +2,10 @@
 <Configuration status="WARN">
     <Appenders>
         <TerminalConsole name="TerminalConsole">
-            <PatternLayout pattern="[%d{HH:mm:ss} %style{%highlight{%level}{FATAL=red dark, ERROR=red, WARN=yellow bright, INFO=cyan bright, DEBUG=green, TRACE=white}}] %minecraftFormatting{%msg}%n"/>
+            <PatternLayout pattern="[%d{HH:mm:ss} %style{%highlight{%level}{FATAL=red, ERROR=red, WARN=yellow bright, INFO=cyan bright, DEBUG=green, TRACE=white}}] %minecraftFormatting{%msg}%n"/>
         </TerminalConsole>
         <Console name="Console" target="SYSTEM_OUT" follow="true">
-            <PatternLayout pattern="[%d{HH:mm:ss} %style{%highlight{%level}{FATAL=red dark, ERROR=red, WARN=yellow bright, INFO=cyan bright, DEBUG=green, TRACE=white}}] %minecraftFormatting{%msg}%n"/>
+            <PatternLayout pattern="[%d{HH:mm:ss} %style{%highlight{%level}{FATAL=red, ERROR=red, WARN=yellow bright, INFO=cyan bright, DEBUG=green, TRACE=white}}] %minecraftFormatting{%msg}%n"/>
         </Console>
         <RollingRandomAccessFile name="File" fileName="logs/latest.log" filePattern="logs/%d{yyyy-MM-dd}-%i.log.gz">
             <PatternLayout pattern="[%d{HH:mm:ss.SSS} %t/%level] %minecraftFormatting{%msg}{strip}%n"/>

bootstrap/velocity/src/main/java/org/geysermc/geyser/platform/velocity/GeyserVelocityPlugin.java

@@ -36,7 +36,7 @@ import com.velocitypowered.api.plugin.Plugin;
 import com.velocitypowered.api.proxy.ProxyServer;
 import lombok.Getter;
 import net.kyori.adventure.util.Codec;
-import org.geysermc.common.PlatformType;
+import org.geysermc.geyser.api.util.PlatformType;
 import org.geysermc.geyser.GeyserBootstrap;
 import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.api.command.Command;

build.gradle.kts

@@ -6,7 +6,7 @@ plugins {
 
 allprojects {
     group = "org.geysermc.geyser"
-    version = "2.1.0-SNAPSHOT"
+    version = "2.1.1-SNAPSHOT"
     description = "Allows for players from Minecraft: Bedrock Edition to join Minecraft: Java Edition servers."
 
     tasks.withType<JavaCompile> {

core/build.gradle.kts

@@ -30,7 +30,7 @@ dependencies {
     }
 
     implementation(libs.raknet) {
-        exclude("io.netty", "*");
+        exclude("io.netty", "*")
     }
 
     implementation(libs.netty.resolver.dns)

core/src/main/java/org/geysermc/connector/GeyserConnector.java

@@ -26,7 +26,7 @@
 package org.geysermc.connector;
 
 import org.geysermc.api.Geyser;
-import org.geysermc.common.PlatformType;
+import org.geysermc.geyser.api.util.PlatformType;
 import org.geysermc.connector.network.session.GeyserSession;
 import org.geysermc.geyser.GeyserImpl;
 

core/src/main/java/org/geysermc/geyser/GeyserImpl.java

@@ -43,7 +43,7 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 import org.checkerframework.checker.nullness.qual.NonNull;
 import org.checkerframework.checker.nullness.qual.Nullable;
 import org.geysermc.api.Geyser;
-import org.geysermc.common.PlatformType;
+import org.geysermc.geyser.api.util.PlatformType;
 import org.geysermc.cumulus.form.Form;
 import org.geysermc.cumulus.form.util.FormBuilder;
 import org.geysermc.erosion.packet.Packets;
@@ -69,9 +69,9 @@ import org.geysermc.geyser.event.GeyserEventBus;
 import org.geysermc.geyser.extension.GeyserExtensionManager;
 import org.geysermc.geyser.level.WorldManager;
 import org.geysermc.geyser.network.netty.GeyserServer;
-import org.geysermc.geyser.pack.ResourcePack;
 import org.geysermc.geyser.registry.BlockRegistries;
 import org.geysermc.geyser.registry.Registries;
+import org.geysermc.geyser.registry.loader.RegistryLoaders;
 import org.geysermc.geyser.scoreboard.ScoreboardUpdater;
 import org.geysermc.geyser.session.GeyserSession;
 import org.geysermc.geyser.session.PendingMicrosoftAuthentication;
@@ -90,6 +90,7 @@ import java.io.IOException;
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
 import java.net.UnknownHostException;
+import java.nio.file.Path;
 import java.security.Key;
 import java.text.DecimalFormat;
 import java.util.*;
@@ -217,25 +218,9 @@ public class GeyserImpl implements GeyserApi {
 
         GeyserConfiguration config = bootstrap.getGeyserConfig();
 
-        boolean isGui = false;
-        // This will check if we are in standalone and get the 'useGui' variable from there
-        if (platformType == PlatformType.STANDALONE) {
-            try {
-                Class<?> cls = Class.forName("org.geysermc.geyser.platform.standalone.GeyserStandaloneBootstrap");
-                isGui = (boolean) cls.getMethod("isUseGui").invoke(cls.cast(bootstrap));
-            } catch (Exception e) {
-                logger.debug("Failed detecting if standalone is using a GUI; if this is a GeyserConnect instance this can be safely ignored.");
-            }
-        }
-
         double completeTime = (System.currentTimeMillis() - startupTime) / 1000D;
-        String message = GeyserLocale.getLocaleStringLog("geyser.core.finish.done", new DecimalFormat("#.###").format(completeTime)) + " ";
-        if (isGui) {
-            message += GeyserLocale.getLocaleStringLog("geyser.core.finish.gui");
-        } else {
-            message += GeyserLocale.getLocaleStringLog("geyser.core.finish.console");
-        }
-
+        String message = GeyserLocale.getLocaleStringLog("geyser.core.finish.done", new DecimalFormat("#.###").format(completeTime));
+        message += " " + GeyserLocale.getLocaleStringLog("geyser.core.finish.console");
         logger.info(message);
 
         if (platformType == PlatformType.STANDALONE) {
@@ -258,7 +243,7 @@ public class GeyserImpl implements GeyserApi {
 
         SkinProvider.registerCacheImageTask(this);
 
-        ResourcePack.loadPacks();
+        Registries.RESOURCE_PACKS.load();
 
         String geyserUdpPort = System.getProperty("geyserUdpPort", "");
         String pluginUdpPort = geyserUdpPort.isEmpty() ? System.getProperty("pluginUdpPort", "") : geyserUdpPort;
@@ -410,7 +395,7 @@ public class GeyserImpl implements GeyserApi {
             metrics.addCustomChart(new Metrics.SingleLineChart("players", sessionManager::size));
             // Prevent unwanted words best we can
             metrics.addCustomChart(new Metrics.SimplePie("authMode", () -> config.getRemote().authType().toString().toLowerCase(Locale.ROOT)));
-            metrics.addCustomChart(new Metrics.SimplePie("platform", platformType::getPlatformName));
+            metrics.addCustomChart(new Metrics.SimplePie("platform", platformType::platformName));
             metrics.addCustomChart(new Metrics.SimplePie("defaultLocale", GeyserLocale::getDefaultLocale));
             metrics.addCustomChart(new Metrics.SimplePie("version", () -> GeyserImpl.VERSION));
             metrics.addCustomChart(new Metrics.AdvancedPie("playerPlatform", () -> {
@@ -446,7 +431,7 @@ public class GeyserImpl implements GeyserApi {
             if (minecraftVersion != null) {
                 Map<String, Map<String, Integer>> versionMap = new HashMap<>();
                 Map<String, Integer> platformMap = new HashMap<>();
-                platformMap.put(platformType.getPlatformName(), 1);
+                platformMap.put(platformType.platformName(), 1);
                 versionMap.put(minecraftVersion, platformMap);
 
                 metrics.addCustomChart(new Metrics.DrilldownPie("minecraftServerVersion", () -> {
@@ -622,7 +607,7 @@ public class GeyserImpl implements GeyserApi {
             this.erosionUnixListener.close();
         }
 
-        ResourcePack.PACKS.clear();
+        Registries.RESOURCE_PACKS.get().clear();
 
         this.eventBus.fire(new GeyserShutdownEvent(this.extensionManager, this.eventBus));
         this.extensionManager.disableExtensions();
@@ -681,6 +666,24 @@ public class GeyserImpl implements GeyserApi {
         return getConfig().getBedrock();
     }
 
+    @Override
+    @NonNull
+    public Path configDirectory() {
+        return bootstrap.getConfigFolder();
+    }
+
+    @Override
+    @NonNull
+    public Path packDirectory() {
+        return bootstrap.getConfigFolder().resolve("packs");
+    }
+
+    @Override
+    @NonNull
+    public PlatformType platformType() {
+        return platformType;
+    }
+
     public int buildNumber() {
         if (!this.isProductionEnvironment()) {
             return 0;

core/src/main/java/org/geysermc/geyser/command/GeyserCommandManager.java

@@ -29,7 +29,7 @@ import it.unimi.dsi.fastutil.objects.Object2ObjectOpenHashMap;
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
 import org.checkerframework.checker.nullness.qual.NonNull;
-import org.geysermc.common.PlatformType;
+import org.geysermc.geyser.api.util.PlatformType;
 import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.api.command.Command;
 import org.geysermc.geyser.api.command.CommandExecutor;

core/src/main/java/org/geysermc/geyser/command/defaults/ConnectionTestCommand.java

@@ -26,7 +26,7 @@
 package org.geysermc.geyser.command.defaults;
 
 import com.fasterxml.jackson.databind.JsonNode;
-import org.geysermc.common.PlatformType;
+import org.geysermc.geyser.api.util.PlatformType;
 import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.command.GeyserCommand;
 import org.geysermc.geyser.command.GeyserCommandSource;

core/src/main/java/org/geysermc/geyser/command/defaults/DumpCommand.java

@@ -30,7 +30,7 @@ import com.fasterxml.jackson.core.util.DefaultPrettyPrinter;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import org.checkerframework.checker.nullness.qual.NonNull;
-import org.geysermc.common.PlatformType;
+import org.geysermc.geyser.api.util.PlatformType;
 import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.command.GeyserCommand;
 import org.geysermc.geyser.command.GeyserCommandSource;

core/src/main/java/org/geysermc/geyser/command/defaults/HelpCommand.java

@@ -25,7 +25,7 @@
 
 package org.geysermc.geyser.command.defaults;
 
-import org.geysermc.common.PlatformType;
+import org.geysermc.geyser.api.util.PlatformType;
 import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.api.command.Command;
 import org.geysermc.geyser.command.GeyserCommand;

core/src/main/java/org/geysermc/geyser/command/defaults/ReloadCommand.java

@@ -25,7 +25,7 @@
 
 package org.geysermc.geyser.command.defaults;
 
-import org.geysermc.common.PlatformType;
+import org.geysermc.geyser.api.util.PlatformType;
 import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.command.GeyserCommand;
 import org.geysermc.geyser.command.GeyserCommandSource;

core/src/main/java/org/geysermc/geyser/command/defaults/StopCommand.java

@@ -25,7 +25,7 @@
 
 package org.geysermc.geyser.command.defaults;
 
-import org.geysermc.common.PlatformType;
+import org.geysermc.geyser.api.util.PlatformType;
 import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.command.GeyserCommand;
 import org.geysermc.geyser.command.GeyserCommandSource;

core/src/main/java/org/geysermc/geyser/command/defaults/VersionCommand.java

@@ -26,7 +26,7 @@
 package org.geysermc.geyser.command.defaults;
 
 import org.cloudburstmc.protocol.bedrock.codec.BedrockCodec;
-import org.geysermc.common.PlatformType;
+import org.geysermc.geyser.api.util.PlatformType;
 import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.command.GeyserCommand;
 import org.geysermc.geyser.command.GeyserCommandSource;

core/src/main/java/org/geysermc/geyser/dump/BootstrapDumpInfo.java

@@ -27,7 +27,7 @@ package org.geysermc.geyser.dump;
 
 import lombok.AllArgsConstructor;
 import lombok.Getter;
-import org.geysermc.common.PlatformType;
+import org.geysermc.geyser.api.util.PlatformType;
 import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.text.AsteriskSerializer;
 

core/src/main/java/org/geysermc/geyser/entity/EntityDefinitions.java

@@ -104,6 +104,7 @@ public final class EntityDefinitions {
     public static final EntityDefinition<HorseEntity> HORSE;
     public static final EntityDefinition<ZombieEntity> HUSK;
     public static final EntityDefinition<SpellcasterIllagerEntity> ILLUSIONER; // Not present on Bedrock
+    public static final EntityDefinition<InteractionEntity> INTERACTION;
     public static final EntityDefinition<IronGolemEntity> IRON_GOLEM;
     public static final EntityDefinition<ItemEntity> ITEM;
     public static final EntityDefinition<ItemFrameEntity> ITEM_FRAME;
@@ -133,6 +134,7 @@ public final class EntityDefinitions {
     public static final EntityDefinition<AbstractFishEntity> SALMON;
     public static final EntityDefinition<SheepEntity> SHEEP;
     public static final EntityDefinition<ShulkerEntity> SHULKER;
+    public static final EntityDefinition<SnifferEntity> SNIFFER;
     public static final EntityDefinition<ThrowableEntity> SHULKER_BULLET;
     public static final EntityDefinition<MonsterEntity> SILVERFISH;
     public static final EntityDefinition<SkeletonEntity> SKELETON;
@@ -235,7 +237,7 @@ public final class EntityDefinitions {
                     .type(EntityType.EXPERIENCE_ORB)
                     .identifier("minecraft:xp_orb")
                     .build();
-            EVOKER_FANGS = EntityDefinition.builder(EvokerFangsEntity::new) // No entity metadata to listen to as of 1.18.1
+            EVOKER_FANGS = EntityDefinition.inherited(EvokerFangsEntity::new, entityBase)
                     .type(EntityType.EVOKER_FANGS)
                     .height(0.8f).width(0.5f)
                     .identifier("minecraft:evocation_fang")
@@ -318,6 +320,15 @@ public final class EntityDefinitions {
                     .addTranslator(MetadataType.CHAT, TextDisplayEntity::setText)
                     .build();
 
+            INTERACTION = EntityDefinition.inherited(InteractionEntity::new, entityBase)
+                    .type(EntityType.INTERACTION)
+                    .heightAndWidth(1.0f) // default size until server specifies otherwise
+                    .identifier("minecraft:armor_stand")
+                    .addTranslator(MetadataType.FLOAT, InteractionEntity::setWidth)
+                    .addTranslator(MetadataType.FLOAT, InteractionEntity::setHeight)
+                    .addTranslator(MetadataType.BOOLEAN, InteractionEntity::setResponse)
+                    .build();
+
             EntityDefinition<FireballEntity> fireballBase = EntityDefinition.inherited(FireballEntity::new, entityBase)
                     .addTranslator(null) // Item
                     .build();
@@ -842,6 +853,12 @@ public final class EntityDefinitions {
                     .height(1.3f).width(0.9f)
                     .addTranslator(MetadataType.BYTE, SheepEntity::setSheepFlags)
                     .build();
+            SNIFFER = EntityDefinition.inherited(SnifferEntity::new, ageableEntityBase)
+                    .type(EntityType.SNIFFER)
+                    .height(1.75f).width(1.9f)
+                    .addTranslator(MetadataType.SNIFFER_STATE, SnifferEntity::setSnifferState)
+                    .addTranslator(null) // Integer, drop seed at tick
+                    .build();
             STRIDER = EntityDefinition.inherited(StriderEntity::new, ageableEntityBase)
                     .type(EntityType.STRIDER)
                     .height(1.7f).width(0.9f)
@@ -884,7 +901,6 @@ public final class EntityDefinitions {
                     .build();
             CAMEL = EntityDefinition.inherited(CamelEntity::new, abstractHorseEntityBase)
                     .type(EntityType.CAMEL)
-                    .identifier("minecraft:llama") // todo 1.20
                     .height(2.375f).width(1.7f)
                     .addTranslator(MetadataType.BOOLEAN, CamelEntity::setDashing)
                     .addTranslator(null) // Last pose change tick

core/src/main/java/org/geysermc/geyser/entity/type/BoatEntity.java

@@ -125,8 +125,8 @@ public class BoatEntity extends Entity {
     public void setVariant(IntEntityMetadata entityMetadata) {
         variant = entityMetadata.getPrimitiveValue();
         dirtyMetadata.put(EntityDataTypes.VARIANT, switch (variant) {
-            case 6, 7 -> variant - 1; // Dark oak and mangrove
-            case 5, 8 -> 0; // TODO temp until 1.20. Cherry and bamboo
+            case 6, 7, 8 -> variant - 1; // dark_oak, mangrove, bamboo
+            case 5 -> 8; // cherry
             default -> variant;
         });
     }

core/src/main/java/org/geysermc/geyser/entity/type/Entity.java

@@ -493,9 +493,10 @@ public class Entity implements GeyserEntity {
      * Update the mount offsets of each passenger on this vehicle
      */
     protected void updatePassengerOffsets() {
-        for (Entity passenger : passengers) {
+        for (int i = 0; i < passengers.size(); i++) {
+            Entity passenger = passengers.get(i);
             if (passenger != null) {
-                boolean rider = passengers.get(0) == this;
+                boolean rider = i == 0;
                 EntityUtils.updateMountOffset(passenger, this, rider, true, passengers.size() > 1);
                 passenger.updateBedrockMetadata();
             }

core/src/main/java/org/geysermc/geyser/entity/type/InteractionEntity.java

@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2019-2023 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.entity.type;
+
+import com.github.steveice10.mc.protocol.data.game.entity.metadata.type.BooleanEntityMetadata;
+import com.github.steveice10.mc.protocol.data.game.entity.metadata.type.FloatEntityMetadata;
+import com.github.steveice10.mc.protocol.data.game.entity.player.Hand;
+import com.github.steveice10.mc.protocol.packet.ingame.serverbound.player.ServerboundSwingPacket;
+import org.cloudburstmc.math.vector.Vector3f;
+import org.cloudburstmc.protocol.bedrock.data.entity.EntityFlag;
+import org.cloudburstmc.protocol.bedrock.packet.AnimatePacket;
+import org.geysermc.geyser.entity.EntityDefinition;
+import org.geysermc.geyser.session.GeyserSession;
+import org.geysermc.geyser.util.InteractionResult;
+
+import java.util.UUID;
+
+public class InteractionEntity extends Entity {
+
+    /**
+     * true - java client hears swing sound when attacking, and arm swings when right-clicking
+     * false - java client hears no swing sound when attacking, and arm does not swing when right-clicking
+     */
+    private boolean response = false;
+
+    public InteractionEntity(GeyserSession session, int entityId, long geyserId, UUID uuid, EntityDefinition<?> definition, Vector3f position, Vector3f motion, float yaw, float pitch, float headYaw) {
+        super(session, entityId, geyserId, uuid, definition, position, motion, yaw, pitch, headYaw);
+    }
+
+    @Override
+    protected void initializeMetadata() {
+        super.initializeMetadata();
+
+        // hide the armor stand but keep the hitbox active
+        setFlag(EntityFlag.INVISIBLE, true);
+    }
+
+    @Override
+    public InteractionResult interact(Hand hand) {
+        // these InteractionResults do mirror the java client
+        // but the bedrock client won't arm swing itself because of our armor stand workaround
+        if (response) {
+            AnimatePacket animatePacket = new AnimatePacket();
+            animatePacket.setRuntimeEntityId(session.getPlayerEntity().getGeyserId());
+            animatePacket.setAction(AnimatePacket.Action.SWING_ARM);
+            session.sendUpstreamPacket(animatePacket);
+
+            session.sendDownstreamPacket(new ServerboundSwingPacket(hand));
+            return InteractionResult.SUCCESS;
+        }
+
+        return InteractionResult.CONSUME;
+    }
+
+    public void setWidth(FloatEntityMetadata width) {
+        setBoundingBoxWidth(width.getPrimitiveValue());
+    }
+
+    public void setHeight(FloatEntityMetadata height) {
+        setBoundingBoxHeight(height.getPrimitiveValue());
+    }
+
+    public void setResponse(BooleanEntityMetadata response) {
+        this.response = response.getPrimitiveValue();
+    }
+}

core/src/main/java/org/geysermc/geyser/entity/type/living/animal/SnifferEntity.java

@@ -0,0 +1,124 @@
+/*
+ * Copyright (c) 2019-2023 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.entity.type.living.animal;
+
+import com.github.steveice10.mc.protocol.data.game.entity.metadata.Pose;
+import com.github.steveice10.mc.protocol.data.game.entity.metadata.SnifferState;
+import com.github.steveice10.mc.protocol.data.game.entity.metadata.type.ObjectEntityMetadata;
+import org.cloudburstmc.math.vector.Vector3f;
+import org.cloudburstmc.protocol.bedrock.data.LevelEvent;
+import org.cloudburstmc.protocol.bedrock.data.SoundEvent;
+import org.cloudburstmc.protocol.bedrock.data.entity.EntityFlag;
+import org.cloudburstmc.protocol.bedrock.packet.LevelEventPacket;
+import org.cloudburstmc.protocol.bedrock.packet.LevelSoundEventPacket;
+import org.geysermc.geyser.entity.EntityDefinition;
+import org.geysermc.geyser.entity.EntityDefinitions;
+import org.geysermc.geyser.entity.type.Tickable;
+import org.geysermc.geyser.item.type.Item;
+import org.geysermc.geyser.session.GeyserSession;
+
+import java.util.UUID;
+
+public class SnifferEntity extends AnimalEntity implements Tickable {
+    private static final float DIGGING_HEIGHT = EntityDefinitions.SNIFFER.height() - 0.4f;
+    private static final int DIG_END = 120;
+    private static final int DIG_START = DIG_END - 34;
+
+    private Pose pose = Pose.STANDING; // Needed to call setDimensions for DIGGING state
+    private int digTicks;
+
+    public SnifferEntity(GeyserSession session, int entityId, long geyserId, UUID uuid, EntityDefinition<?> definition, Vector3f position, Vector3f motion, float yaw, float pitch, float headYaw) {
+        super(session, entityId, geyserId, uuid, definition, position, motion, yaw, pitch, headYaw);
+    }
+
+    @Override
+    public void setPose(Pose pose) {
+        this.pose = pose;
+        super.setPose(pose);
+    }
+
+    @Override
+    protected void setDimensions(Pose pose) {
+        if (getFlag(EntityFlag.DIGGING)) {
+            setBoundingBoxHeight(DIGGING_HEIGHT);
+            setBoundingBoxWidth(definition.width());
+        } else {
+            super.setDimensions(pose);
+        }
+    }
+
+    @Override
+    public boolean canEat(Item item) {
+        return session.getTagCache().isSnifferFood(item);
+    }
+
+    public void setSnifferState(ObjectEntityMetadata<SnifferState> entityMetadata) {
+        SnifferState snifferState = entityMetadata.getValue();
+
+        // SnifferState.SCENTING and SnifferState.IDLING not used in bedrock
+        // The bedrock client does the scenting animation and sound on its own
+        setFlag(EntityFlag.FEELING_HAPPY, snifferState == SnifferState.FEELING_HAPPY);
+        setFlag(EntityFlag.SCENTING, snifferState == SnifferState.SNIFFING); // SnifferState.SNIFFING -> EntityFlag.SCENTING
+        setFlag(EntityFlag.SEARCHING, snifferState == SnifferState.SEARCHING);
+        setFlag(EntityFlag.DIGGING, snifferState == SnifferState.DIGGING);
+        setFlag(EntityFlag.RISING, snifferState == SnifferState.RISING);
+
+        setDimensions(pose);
+
+        if (getFlag(EntityFlag.DIGGING)) {
+            digTicks = DIG_END;
+        } else {
+            // Handles situations where the DIGGING state is exited earlier than expected,
+            // such as hitting the sniffer or joining the game while it is digging
+            digTicks = 0;
+        }
+    }
+
+    @Override
+    public void tick() {
+        // The java client renders digging particles on its own, but bedrock does not
+        if (digTicks > 0 && --digTicks < DIG_START && digTicks % 5 == 0) {
+            Vector3f rot = Vector3f.createDirectionDeg(0, -getYaw()).mul(2.25f);
+            Vector3f pos = getPosition().add(rot).up(0.2f).floor(); // Handle non-full blocks
+            int blockId = session.getBlockMappings().getBedrockBlockId(session.getGeyser().getWorldManager().getBlockAt(session, pos.toInt().down()));
+
+            LevelEventPacket levelEventPacket = new LevelEventPacket();
+            levelEventPacket.setType(LevelEvent.PARTICLE_DESTROY_BLOCK_NO_SOUND);
+            levelEventPacket.setPosition(pos);
+            levelEventPacket.setData(blockId);
+            session.sendUpstreamPacket(levelEventPacket);
+
+            if (digTicks % 10 == 0) {
+                LevelSoundEventPacket levelSoundEventPacket = new LevelSoundEventPacket();
+                levelSoundEventPacket.setSound(SoundEvent.HIT);
+                levelSoundEventPacket.setPosition(pos);
+                levelSoundEventPacket.setExtraData(blockId);
+                levelSoundEventPacket.setIdentifier(":");
+                session.sendUpstreamPacket(levelSoundEventPacket);
+            }
+        }
+    }
+}

core/src/main/java/org/geysermc/geyser/entity/type/living/animal/horse/CamelEntity.java

@@ -27,8 +27,13 @@ package org.geysermc.geyser.entity.type.living.animal.horse;
 
 import com.github.steveice10.mc.protocol.data.game.entity.metadata.Pose;
 import com.github.steveice10.mc.protocol.data.game.entity.metadata.type.BooleanEntityMetadata;
+import com.github.steveice10.mc.protocol.data.game.entity.metadata.type.ByteEntityMetadata;
 import org.cloudburstmc.math.vector.Vector3f;
 import org.cloudburstmc.protocol.bedrock.data.entity.EntityDataTypes;
+import org.cloudburstmc.protocol.bedrock.data.entity.EntityEventType;
+import org.cloudburstmc.protocol.bedrock.data.entity.EntityFlag;
+import org.cloudburstmc.protocol.bedrock.data.inventory.ContainerType;
+import org.cloudburstmc.protocol.bedrock.packet.EntityEventPacket;
 import org.geysermc.geyser.entity.EntityDefinition;
 import org.geysermc.geyser.item.Items;
 import org.geysermc.geyser.item.type.Item;
@@ -38,16 +43,50 @@ import java.util.UUID;
 
 public class CamelEntity extends AbstractHorseEntity {
 
-    private static final float SITTING_HEIGHT_DIFFERENCE = 1.43F;
+    public static final float SITTING_HEIGHT_DIFFERENCE = 1.43F;
 
     public CamelEntity(GeyserSession session, int entityId, long geyserId, UUID uuid, EntityDefinition<?> definition, Vector3f position, Vector3f motion, float yaw, float pitch, float headYaw) {
         super(session, entityId, geyserId, uuid, definition, position, motion, yaw, pitch, headYaw);
+
+        dirtyMetadata.put(EntityDataTypes.CONTAINER_TYPE, (byte) ContainerType.HORSE.getId());
+
+        // Always tamed, but not indicated in horse flags
+        setFlag(EntityFlag.TAMED, true);
     }
 
-    @Override
-    protected void initializeMetadata() {
-        super.initializeMetadata();
-        this.dirtyMetadata.put(EntityDataTypes.VARIANT, 2); // Closest llama colour to camel
+    public void setHorseFlags(ByteEntityMetadata entityMetadata) {
+        byte xd = entityMetadata.getPrimitiveValue();
+        boolean saddled = (xd & 0x04) == 0x04;
+        setFlag(EntityFlag.SADDLED, saddled);
+        setFlag(EntityFlag.EATING, (xd & 0x10) == 0x10);
+        setFlag(EntityFlag.STANDING, (xd & 0x20) == 0x20);
+
+        // HorseFlags
+        // Bred 0x10
+        // Eating 0x20
+        // Open mouth 0x80
+        int horseFlags = 0x0;
+        horseFlags = (xd & 0x40) == 0x40 ? horseFlags | 0x80 : horseFlags;
+
+        // Only set eating when we don't have mouth open so a player interaction doesn't trigger the eating animation
+        horseFlags = (xd & 0x10) == 0x10 && (xd & 0x40) != 0x40 ? horseFlags | 0x20 : horseFlags;
+
+        // Set the flags into the horse flags
+        dirtyMetadata.put(EntityDataTypes.HORSE_FLAGS, horseFlags);
+
+        // Send the eating particles
+        // We use the wheat metadata as static particles since Java
+        // doesn't send over what item was used to feed the horse
+        if ((xd & 0x40) == 0x40) {
+            EntityEventPacket entityEventPacket = new EntityEventPacket();
+            entityEventPacket.setRuntimeEntityId(geyserId);
+            entityEventPacket.setType(EntityEventType.EATING_ITEM);
+            entityEventPacket.setData(session.getItemMappings().getStoredItems().wheat().getBedrockDefinition().getRuntimeId() << 16);
+            session.sendUpstreamPacket(entityEventPacket);
+        }
+
+        // Shows the dash meter
+        setFlag(EntityFlag.CAN_DASH, saddled);
     }
 
     @Override
@@ -55,10 +94,16 @@ public class CamelEntity extends AbstractHorseEntity {
         return item == Items.CACTUS;
     }
 
+    @Override
+    public void setPose(Pose pose) {
+        setFlag(EntityFlag.SITTING, pose == Pose.SITTING);
+        super.setPose(pose);
+    }
+
     @Override
     protected void setDimensions(Pose pose) {
         if (pose == Pose.SITTING) {
-            setBoundingBoxWidth(definition.height() - SITTING_HEIGHT_DIFFERENCE);
+            setBoundingBoxHeight(definition.height() - SITTING_HEIGHT_DIFFERENCE);
             setBoundingBoxWidth(definition.width());
         } else {
             super.setDimensions(pose);

core/src/main/java/org/geysermc/geyser/entity/type/player/SessionPlayerEntity.java

@@ -67,10 +67,6 @@ public class SessionPlayerEntity extends PlayerEntity {
      */
     @Getter
     private boolean isRidingInFront;
-    /**
-     * Used for villager inventory emulation.
-     */
-    private int fakeTradeXp;
 
     public SessionPlayerEntity(GeyserSession session) {
         super(session, -1, 1, null, Vector3f.ZERO, Vector3f.ZERO, 0, 0, 0, null, null);
@@ -175,11 +171,6 @@ public class SessionPlayerEntity extends PlayerEntity {
         this.isRidingInFront = position != null && position.getX() > 0;
     }
 
-    public void addFakeTradeExperience(int tradeXp) {
-        fakeTradeXp += tradeXp;
-        dirtyMetadata.put(EntityDataTypes.TRADE_EXPERIENCE, fakeTradeXp);
-    }
-
     @Override
     public AttributeData createHealthAttribute() {
         // Max health must be divisible by two in bedrock

core/src/main/java/org/geysermc/geyser/event/type/SessionLoadResourcePacksEventImpl.java

@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2019-2023 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.event.type;
+
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.geysermc.geyser.api.event.bedrock.SessionLoadResourcePacksEvent;
+import org.geysermc.geyser.api.pack.ResourcePack;
+import org.geysermc.geyser.session.GeyserSession;
+
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+
+public class SessionLoadResourcePacksEventImpl extends SessionLoadResourcePacksEvent {
+
+    private final Map<String, ResourcePack> packs;
+
+    public SessionLoadResourcePacksEventImpl(GeyserSession session, Map<String, ResourcePack> packMap) {
+        super(session);
+        this.packs = packMap;
+    }
+
+    public @NonNull Map<String, ResourcePack> getPacks() {
+        return packs;
+    }
+
+    @Override
+    public @NonNull List<ResourcePack> resourcePacks() {
+        return List.copyOf(packs.values());
+    }
+
+    @Override
+    public boolean register(@NonNull ResourcePack resourcePack) {
+        String packID = resourcePack.manifest().header().uuid().toString();
+        if (packs.containsValue(resourcePack) || packs.containsKey(packID)) {
+            return false;
+        }
+        packs.put(resourcePack.manifest().header().uuid().toString(), resourcePack);
+        return true;
+    }
+
+    @Override
+    public boolean unregister(@NonNull UUID uuid) {
+        return packs.remove(uuid.toString()) != null;
+    }
+}

core/src/main/java/org/geysermc/geyser/extension/event/GeyserExtensionEventBus.java

@@ -27,6 +27,7 @@ package org.geysermc.geyser.extension.event;
 
 import org.checkerframework.checker.nullness.qual.NonNull;
 import org.geysermc.event.Event;
+import org.geysermc.event.FireResult;
 import org.geysermc.event.PostOrder;
 import org.geysermc.event.subscribe.Subscriber;
 import org.geysermc.geyser.api.event.EventBus;
@@ -47,10 +48,15 @@ public record GeyserExtensionEventBus(EventBus<EventRegistrar> eventBus, Extensi
     }
 
     @Override
-    public boolean fire(@NonNull Event event) {
+    public FireResult fire(@NonNull Event event) {
         return eventBus.fire(event);
     }
 
+    @Override
+    public FireResult fireSilently(@NonNull Event event) {
+        return eventBus.fireSilently(event);
+    }
+
     @Override
     public @NonNull <T extends Event> Set<? extends EventSubscriber<EventRegistrar, T>> subscribers(@NonNull Class<T> eventClass) {
         return eventBus.subscribers(eventClass);

core/src/main/java/org/geysermc/geyser/inventory/MerchantContainer.java

@@ -30,6 +30,7 @@ import com.github.steveice10.mc.protocol.data.game.inventory.VillagerTrade;
 import com.github.steveice10.mc.protocol.packet.ingame.clientbound.inventory.ClientboundMerchantOffersPacket;
 import lombok.Getter;
 import lombok.Setter;
+import org.cloudburstmc.protocol.bedrock.data.entity.EntityDataTypes;
 import org.geysermc.geyser.entity.type.Entity;
 import org.geysermc.geyser.session.GeyserSession;
 
@@ -40,6 +41,8 @@ public class MerchantContainer extends Container {
     private VillagerTrade[] villagerTrades;
     @Getter @Setter
     private ClientboundMerchantOffersPacket pendingOffersPacket;
+    @Getter @Setter
+    private int tradeExperience;
 
     public MerchantContainer(String title, int id, int size, ContainerType containerType, PlayerInventory playerInventory) {
         super(title, id, size, containerType, playerInventory);
@@ -49,9 +52,10 @@ public class MerchantContainer extends Container {
         if (villagerTrades != null && slot >= 0 && slot < villagerTrades.length) {
             VillagerTrade trade = villagerTrades[slot];
             setItem(2, GeyserItemStack.from(trade.getOutput()), session);
-            // TODO this logic doesn't add up
-            session.getPlayerEntity().addFakeTradeExperience(trade.getXp());
-            session.getPlayerEntity().updateBedrockMetadata();
+
+            tradeExperience += trade.getXp();
+            villager.getDirtyMetadata().put(EntityDataTypes.TRADE_EXPERIENCE, tradeExperience);
+            villager.updateBedrockMetadata();
         }
     }
 }

core/src/main/java/org/geysermc/geyser/inventory/item/StoredItemMappings.java

@@ -51,6 +51,7 @@ public class StoredItemMappings {
     private final ItemMapping egg;
     private final ItemMapping shield;
     private final ItemMapping wheat;
+    private final ItemMapping writableBook;
 
     public StoredItemMappings(Map<Item, ItemMapping> itemMappings) {
         this.bamboo = load(itemMappings, Items.BAMBOO);
@@ -64,6 +65,7 @@ public class StoredItemMappings {
         this.egg = load(itemMappings, Items.EGG);
         this.shield = load(itemMappings, Items.SHIELD);
         this.wheat = load(itemMappings, Items.WHEAT);
+        this.writableBook = load(itemMappings, Items.WRITABLE_BOOK);
     }
 
     @Nonnull

core/src/main/java/org/geysermc/geyser/inventory/recipe/TrimRecipe.java

@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2019-2023 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.inventory.recipe;
+
+import org.cloudburstmc.protocol.bedrock.data.TrimMaterial;
+import org.cloudburstmc.protocol.bedrock.data.TrimPattern;
+import org.cloudburstmc.protocol.bedrock.data.inventory.descriptor.ItemDescriptorWithCount;
+import org.cloudburstmc.protocol.bedrock.data.inventory.descriptor.ItemTagDescriptor;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Hardcoded recipe information about armor trims until further improvements can be made. This information was scraped
+ * from BDS 1.19.81 with a world with the next_major_update and sniffer features enabled, using ProxyPass.
+ */
+public class TrimRecipe {
+
+    // For TrimDataPacket, which BDS sends just before the CraftingDataPacket
+    public static final List<TrimPattern> PATTERNS;
+    public static final List<TrimMaterial> MATERIALS;
+
+    // For CraftingDataPacket
+    public static final String ID = "minecraft:smithing_armor_trim";
+    public static final ItemDescriptorWithCount BASE = tagDescriptor("minecraft:trimmable_armors");
+    public static final ItemDescriptorWithCount ADDITION = tagDescriptor("minecraft:trim_materials");
+    public static final ItemDescriptorWithCount TEMPLATE = tagDescriptor("minecraft:trim_templates");
+
+    static {
+        List<TrimPattern> patterns = new ArrayList<>(16);
+        patterns.add(new TrimPattern("minecraft:ward_armor_trim_smithing_template", "ward"));
+        patterns.add(new TrimPattern("minecraft:sentry_armor_trim_smithing_template", "sentry"));
+        patterns.add(new TrimPattern("minecraft:snout_armor_trim_smithing_template", "snout"));
+        patterns.add(new TrimPattern("minecraft:dune_armor_trim_smithing_template", "dune"));
+        patterns.add(new TrimPattern("minecraft:spire_armor_trim_smithing_template", "spire"));
+        patterns.add(new TrimPattern("minecraft:tide_armor_trim_smithing_template", "tide"));
+        patterns.add(new TrimPattern("minecraft:wild_armor_trim_smithing_template", "wild"));
+        patterns.add(new TrimPattern("minecraft:rib_armor_trim_smithing_template", "rib"));
+        patterns.add(new TrimPattern("minecraft:coast_armor_trim_smithing_template", "coast"));
+        patterns.add(new TrimPattern("minecraft:shaper_armor_trim_smithing_template", "shaper"));
+        patterns.add(new TrimPattern("minecraft:eye_armor_trim_smithing_template", "eye"));
+        patterns.add(new TrimPattern("minecraft:vex_armor_trim_smithing_template", "vex"));
+        patterns.add(new TrimPattern("minecraft:silence_armor_trim_smithing_template", "silence"));
+        patterns.add(new TrimPattern("minecraft:wayfinder_armor_trim_smithing_template", "wayfinder"));
+        patterns.add(new TrimPattern("minecraft:raiser_armor_trim_smithing_template", "raiser"));
+        patterns.add(new TrimPattern("minecraft:host_armor_trim_smithing_template", "host"));
+        PATTERNS = Collections.unmodifiableList(patterns);
+
+        List<TrimMaterial> materials = new ArrayList<>(10);
+        materials.add(new TrimMaterial("quartz", "§h", "minecraft:quartz"));
+        materials.add(new TrimMaterial("iron", "§i", "minecraft:iron_ingot"));
+        materials.add(new TrimMaterial("netherite", "§j", "minecraft:netherite_ingot"));
+        materials.add(new TrimMaterial("redstone", "§m", "minecraft:redstone"));
+        materials.add(new TrimMaterial("copper", "§n", "minecraft:copper_ingot"));
+        materials.add(new TrimMaterial("gold", "§p", "minecraft:gold_ingot"));
+        materials.add(new TrimMaterial("emerald", "§q", "minecraft:emerald"));
+        materials.add(new TrimMaterial("diamond", "§s", "minecraft:diamond"));
+        materials.add(new TrimMaterial("lapis", "§t", "minecraft:lapis_lazuli"));
+        materials.add(new TrimMaterial("amethyst", "§u", "minecraft:amethyst_shard"));
+        MATERIALS = Collections.unmodifiableList(materials);
+    }
+
+    private TrimRecipe() {
+        //no-op
+    }
+
+    private static ItemDescriptorWithCount tagDescriptor(String tag) {
+        return new ItemDescriptorWithCount(new ItemTagDescriptor(tag), 1);
+    }
+}

core/src/main/java/org/geysermc/geyser/item/Items.java

@@ -84,6 +84,7 @@ public final class Items {
     public static final Item BEDROCK = register(new BlockItem("bedrock", builder()));
     public static final Item SAND = register(new BlockItem("sand", builder()));
     public static final Item SUSPICIOUS_SAND = register(new BlockItem("suspicious_sand", builder()));
+    public static final Item SUSPICIOUS_GRAVEL = register(new BlockItem("suspicious_gravel", builder()));
     public static final Item RED_SAND = register(new BlockItem("red_sand", builder()));
     public static final Item GRAVEL = register(new BlockItem("gravel", builder()));
     public static final Item COAL_ORE = register(new BlockItem("coal_ore", builder()));
@@ -247,6 +248,7 @@ public final class Items {
     public static final Item LILY_OF_THE_VALLEY = register(new FlowerItem("lily_of_the_valley", builder()));
     public static final Item WITHER_ROSE = register(new FlowerItem("wither_rose", builder()));
     public static final Item TORCHFLOWER = register(new FlowerItem("torchflower", builder()));
+    public static final Item PITCHER_PLANT = register(new BlockItem("pitcher_plant", builder()));
     public static final Item SPORE_BLOSSOM = register(new BlockItem("spore_blossom", builder()));
     public static final Item BROWN_MUSHROOM = register(new BlockItem("brown_mushroom", builder()));
     public static final Item RED_MUSHROOM = register(new BlockItem("red_mushroom", builder()));
@@ -302,7 +304,7 @@ public final class Items {
     public static final Item BRICKS = register(new BlockItem("bricks", builder()));
     public static final Item BOOKSHELF = register(new BlockItem("bookshelf", builder()));
     public static final Item CHISELED_BOOKSHELF = register(new BlockItem("chiseled_bookshelf", builder()));
-    public static final Item DECORATED_POT = register(new BlockItem("decorated_pot", builder().stackSize(1)));
+    public static final Item DECORATED_POT = register(new DecoratedPotItem("decorated_pot", builder().stackSize(1)));
     public static final Item MOSSY_COBBLESTONE = register(new BlockItem("mossy_cobblestone", builder()));
     public static final Item OBSIDIAN = register(new BlockItem("obsidian", builder()));
     public static final Item TORCH = register(new BlockItem("torch", builder()));
@@ -313,7 +315,7 @@ public final class Items {
     public static final Item PURPUR_PILLAR = register(new BlockItem("purpur_pillar", builder()));
     public static final Item PURPUR_STAIRS = register(new BlockItem("purpur_stairs", builder()));
     public static final Item SPAWNER = register(new BlockItem("spawner", builder()));
-    public static final Item CHEST = register(new BlockItem("chest", builder()));
+    public static final Item CHEST = register(new ChestItem("chest", builder()));
     public static final Item CRAFTING_TABLE = register(new BlockItem("crafting_table", builder()));
     public static final Item FARMLAND = register(new BlockItem("farmland", builder()));
     public static final Item FURNACE = register(new BlockItem("furnace", builder()));
@@ -395,7 +397,7 @@ public final class Items {
     public static final Item END_STONE_BRICKS = register(new BlockItem("end_stone_bricks", builder()));
     public static final Item DRAGON_EGG = register(new BlockItem("dragon_egg", builder()));
     public static final Item SANDSTONE_STAIRS = register(new BlockItem("sandstone_stairs", builder()));
-    public static final Item ENDER_CHEST = register(new BlockItem("ender_chest", builder()));
+    public static final Item ENDER_CHEST = register(new ChestItem("ender_chest", builder()));
     public static final Item EMERALD_BLOCK = register(new BlockItem("emerald_block", builder()));
     public static final Item OAK_STAIRS = register(new BlockItem("oak_stairs", builder()));
     public static final Item SPRUCE_STAIRS = register(new BlockItem("spruce_stairs", builder()));
@@ -602,6 +604,7 @@ public final class Items {
     public static final Item RED_CONCRETE_POWDER = register(new BlockItem("red_concrete_powder", builder()));
     public static final Item BLACK_CONCRETE_POWDER = register(new BlockItem("black_concrete_powder", builder()));
     public static final Item TURTLE_EGG = register(new BlockItem("turtle_egg", builder()));
+    public static final Item SNIFFER_EGG = register(new BlockItem("sniffer_egg", builder()));
     public static final Item DEAD_TUBE_CORAL_BLOCK = register(new BlockItem("dead_tube_coral_block", builder()));
     public static final Item DEAD_BRAIN_CORAL_BLOCK = register(new BlockItem("dead_brain_coral_block", builder()));
     public static final Item DEAD_BUBBLE_CORAL_BLOCK = register(new BlockItem("dead_bubble_coral_block", builder()));
@@ -689,8 +692,9 @@ public final class Items {
     public static final Item LIGHTNING_ROD = register(new BlockItem("lightning_rod", builder()));
     public static final Item DAYLIGHT_DETECTOR = register(new BlockItem("daylight_detector", builder()));
     public static final Item SCULK_SENSOR = register(new BlockItem("sculk_sensor", builder()));
+    public static final Item CALIBRATED_SCULK_SENSOR = register(new BlockItem("calibrated_sculk_sensor", builder()));
     public static final Item TRIPWIRE_HOOK = register(new BlockItem("tripwire_hook", builder()));
-    public static final Item TRAPPED_CHEST = register(new BlockItem("trapped_chest", builder()));
+    public static final Item TRAPPED_CHEST = register(new ChestItem("trapped_chest", builder()));
     public static final Item TNT = register(new BlockItem("tnt", builder()));
     public static final Item REDSTONE_LAMP = register(new BlockItem("redstone_lamp", builder()));
     public static final Item NOTE_BLOCK = register(new BlockItem("note_block", builder()));
@@ -1080,8 +1084,8 @@ public final class Items {
     public static final Item ZOMBIFIED_PIGLIN_SPAWN_EGG = register(new SpawnEggItem("zombified_piglin_spawn_egg", builder()));
     public static final Item EXPERIENCE_BOTTLE = register(new Item("experience_bottle", builder()));
     public static final Item FIRE_CHARGE = register(new Item("fire_charge", builder()));
-    public static final Item WRITABLE_BOOK = register(new ReadableBookItem("writable_book", builder().stackSize(1)));
-    public static final Item WRITTEN_BOOK = register(new ReadableBookItem("written_book", builder().stackSize(16)));
+    public static final Item WRITABLE_BOOK = register(new WritableBookItem("writable_book", builder().stackSize(1)));
+    public static final Item WRITTEN_BOOK = register(new WrittenBookItem("written_book", builder().stackSize(16)));
     public static final Item ITEM_FRAME = register(new Item("item_frame", builder()));
     public static final Item GLOW_ITEM_FRAME = register(new Item("glow_item_frame", builder()));
     public static final Item FLOWER_POT = register(new BlockItem("flower_pot", builder()));
@@ -1141,6 +1145,7 @@ public final class Items {
     public static final Item CHORUS_FRUIT = register(new Item("chorus_fruit", builder()));
     public static final Item POPPED_CHORUS_FRUIT = register(new Item("popped_chorus_fruit", builder()));
     public static final Item TORCHFLOWER_SEEDS = register(new BlockItem("torchflower_seeds", builder()));
+    public static final Item PITCHER_POD = register(new BlockItem("pitcher_pod", builder()));
     public static final Item BEETROOT = register(new Item("beetroot", builder()));
     public static final Item BEETROOT_SEEDS = register(new BlockItem("beetroot_seeds", builder()));
     public static final Item BEETROOT_SOUP = register(new Item("beetroot_soup", builder().stackSize(1)));
@@ -1168,6 +1173,7 @@ public final class Items {
     public static final Item MUSIC_DISC_11 = register(new Item("music_disc_11", builder().stackSize(1)));
     public static final Item MUSIC_DISC_WAIT = register(new Item("music_disc_wait", builder().stackSize(1)));
     public static final Item MUSIC_DISC_OTHERSIDE = register(new Item("music_disc_otherside", builder().stackSize(1)));
+    public static final Item MUSIC_DISC_RELIC = register(new Item("music_disc_relic", builder().stackSize(1)));
     public static final Item MUSIC_DISC_5 = register(new Item("music_disc_5", builder().stackSize(1)));
     public static final Item MUSIC_DISC_PIGSTEP = register(new Item("music_disc_pigstep", builder().stackSize(1)));
     public static final Item DISC_FRAGMENT_5 = register(new Item("disc_fragment_5", builder()));
@@ -1186,7 +1192,7 @@ public final class Items {
     public static final Item PIGLIN_BANNER_PATTERN = register(new Item("piglin_banner_pattern", builder().stackSize(1)));
     public static final Item GOAT_HORN = register(new GoatHornItem("goat_horn", builder().stackSize(1)));
     public static final Item COMPOSTER = register(new BlockItem("composter", builder()));
-    public static final Item BARREL = register(new BlockItem("barrel", builder()));
+    public static final Item BARREL = register(new ChestItem("barrel", builder()));
     public static final Item SMOKER = register(new BlockItem("smoker", builder()));
     public static final Item BLAST_FURNACE = register(new BlockItem("blast_furnace", builder()));
     public static final Item CARTOGRAPHY_TABLE = register(new BlockItem("cartography_table", builder()));
@@ -1262,10 +1268,31 @@ public final class Items {
     public static final Item SNOUT_ARMOR_TRIM_SMITHING_TEMPLATE = register(new Item("snout_armor_trim_smithing_template", builder()));
     public static final Item RIB_ARMOR_TRIM_SMITHING_TEMPLATE = register(new Item("rib_armor_trim_smithing_template", builder()));
     public static final Item SPIRE_ARMOR_TRIM_SMITHING_TEMPLATE = register(new Item("spire_armor_trim_smithing_template", builder()));
-    public static final Item POTTERY_SHARD_ARCHER = register(new Item("pottery_shard_archer", builder()));
-    public static final Item POTTERY_SHARD_PRIZE = register(new Item("pottery_shard_prize", builder()));
-    public static final Item POTTERY_SHARD_ARMS_UP = register(new Item("pottery_shard_arms_up", builder()));
-    public static final Item POTTERY_SHARD_SKULL = register(new Item("pottery_shard_skull", builder()));
+    public static final Item WAYFINDER_ARMOR_TRIM_SMITHING_TEMPLATE = register(new Item("wayfinder_armor_trim_smithing_template", builder()));
+    public static final Item SHAPER_ARMOR_TRIM_SMITHING_TEMPLATE = register(new Item("shaper_armor_trim_smithing_template", builder()));
+    public static final Item SILENCE_ARMOR_TRIM_SMITHING_TEMPLATE = register(new Item("silence_armor_trim_smithing_template", builder()));
+    public static final Item RAISER_ARMOR_TRIM_SMITHING_TEMPLATE = register(new Item("raiser_armor_trim_smithing_template", builder()));
+    public static final Item HOST_ARMOR_TRIM_SMITHING_TEMPLATE = register(new Item("host_armor_trim_smithing_template", builder()));
+    public static final Item ANGLER_POTTERY_SHERD = register(new Item("angler_pottery_sherd", builder()));
+    public static final Item ARCHER_POTTERY_SHERD = register(new Item("archer_pottery_sherd", builder()));
+    public static final Item ARMS_UP_POTTERY_SHERD = register(new Item("arms_up_pottery_sherd", builder()));
+    public static final Item BLADE_POTTERY_SHERD = register(new Item("blade_pottery_sherd", builder()));
+    public static final Item BREWER_POTTERY_SHERD = register(new Item("brewer_pottery_sherd", builder()));
+    public static final Item BURN_POTTERY_SHERD = register(new Item("burn_pottery_sherd", builder()));
+    public static final Item DANGER_POTTERY_SHERD = register(new Item("danger_pottery_sherd", builder()));
+    public static final Item EXPLORER_POTTERY_SHERD = register(new Item("explorer_pottery_sherd", builder()));
+    public static final Item FRIEND_POTTERY_SHERD = register(new Item("friend_pottery_sherd", builder()));
+    public static final Item HEART_POTTERY_SHERD = register(new Item("heart_pottery_sherd", builder()));
+    public static final Item HEARTBREAK_POTTERY_SHERD = register(new Item("heartbreak_pottery_sherd", builder()));
+    public static final Item HOWL_POTTERY_SHERD = register(new Item("howl_pottery_sherd", builder()));
+    public static final Item MINER_POTTERY_SHERD = register(new Item("miner_pottery_sherd", builder()));
+    public static final Item MOURNER_POTTERY_SHERD = register(new Item("mourner_pottery_sherd", builder()));
+    public static final Item PLENTY_POTTERY_SHERD = register(new Item("plenty_pottery_sherd", builder()));
+    public static final Item PRIZE_POTTERY_SHERD = register(new Item("prize_pottery_sherd", builder()));
+    public static final Item SHEAF_POTTERY_SHERD = register(new Item("sheaf_pottery_sherd", builder()));
+    public static final Item SHELTER_POTTERY_SHERD = register(new Item("shelter_pottery_sherd", builder()));
+    public static final Item SKULL_POTTERY_SHERD = register(new Item("skull_pottery_sherd", builder()));
+    public static final Item SNORT_POTTERY_SHERD = register(new Item("snort_pottery_sherd", builder()));
 
     private static <T extends Item> T register(T item) {
         return register(item, Registries.JAVA_ITEMS.get().size());

core/src/main/java/org/geysermc/geyser/item/type/ArmorItem.java

@@ -25,7 +25,12 @@
 
 package org.geysermc.geyser.item.type;
 
+import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
+import com.github.steveice10.opennbt.tag.builtin.StringTag;
+import org.checkerframework.checker.nullness.qual.NonNull;
 import org.geysermc.geyser.item.ArmorMaterial;
+import org.geysermc.geyser.registry.type.ItemMapping;
+import org.geysermc.geyser.session.GeyserSession;
 
 public class ArmorItem extends Item {
     private final ArmorMaterial material;
@@ -35,8 +40,42 @@ public class ArmorItem extends Item {
         this.material = material;
     }
 
+    @Override
+    public void translateNbtToBedrock(@NonNull GeyserSession session, @NonNull CompoundTag tag) {
+        super.translateNbtToBedrock(session, tag);
+
+        if (tag.get("Trim") instanceof CompoundTag trim) {
+            StringTag material = trim.remove("material");
+            StringTag pattern = trim.remove("pattern");
+            // bedrock has an uppercase first letter key, and the value is not namespaced
+            trim.put(new StringTag("Material", stripNamespace(material.getValue())));
+            trim.put(new StringTag("Pattern", stripNamespace(pattern.getValue())));
+        }
+    }
+
+    @Override
+    public void translateNbtToJava(@NonNull CompoundTag tag, @NonNull ItemMapping mapping) {
+        super.translateNbtToJava(tag, mapping);
+
+        if (tag.get("Trim") instanceof CompoundTag trim) {
+            StringTag material = trim.remove("Material");
+            StringTag pattern = trim.remove("Pattern");
+            // java has a lowercase key, and namespaced value
+            trim.put(new StringTag("material", "minecraft:" + material.getValue()));
+            trim.put(new StringTag("pattern", "minecraft:" + pattern.getValue()));
+        }
+    }
+
     @Override
     public boolean isValidRepairItem(Item other) {
         return material.getRepairIngredient() == other;
     }
+
+    private static String stripNamespace(String identifier) {
+        int i = identifier.indexOf(':');
+        if (i >= 0) {
+            return identifier.substring(i + 1);
+        }
+        return identifier;
+    }
 }

core/src/main/java/org/geysermc/geyser/item/type/ChestItem.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2019-2022 GeyserMC. http://geysermc.org
+ * Copyright (c) 2019-2023 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
@@ -23,42 +23,31 @@
  * @link https://github.com/GeyserMC/Geyser
  */
 
-package org.geysermc.geyser.translator.inventory.item;
+package org.geysermc.geyser.item.type;
 
 import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
-import org.geysermc.geyser.item.type.Item;
-import org.geysermc.geyser.registry.type.ItemMapping;
+import org.checkerframework.checker.nullness.qual.NonNull;
 import org.geysermc.geyser.session.GeyserSession;
 
-public abstract class NbtItemStackTranslator {
-
-    /**
-     * Translate the item NBT to Bedrock
-     * @param session the client's current session
-     * @param itemTag the item's CompoundTag (cloned from Geyser's cached copy)
-     * @param mapping Geyser's item mapping
-     */
-    public void translateToBedrock(GeyserSession session, CompoundTag itemTag, ItemMapping mapping) {
+public class ChestItem extends BlockItem {
 
+    public ChestItem(String javaIdentifier, Builder builder) {
+        super(javaIdentifier, builder);
     }
 
-    /**
-     * Translate the item NBT to Java.
-     * @param itemTag the item's CompoundTag
-     * @param mapping Geyser's item mapping
-     */
-    public void translateToJava(CompoundTag itemTag, ItemMapping mapping) {
+    @Override
+    public void translateNbtToBedrock(@NonNull GeyserSession session, @NonNull CompoundTag tag) {
+        super.translateNbtToBedrock(session, tag);
 
+        // Strip the BlockEntityTag from the chests contents
+        // sent to the client. The client does not parse this
+        // or use it for anything, as this tag is fully
+        // server-side, so we remove it to reduce bandwidth and
+        // solve potential issues with very large tags.
+
+        // There was a problem in the past where this would strip
+        // NBT data in creative mode, however with the new server
+        // authoritative inventories, this is no longer a concern.
+        tag.remove("BlockEntityTag");
     }
-
-    /**
-     * Gets whether this nbt translator takes in this item.
-     *
-     * @param item Geyser's item mapping
-     * @return if the item should be processed under this class
-     */
-    public boolean acceptItem(Item item) {
-        return true;
-    } // TODO
-
 }

core/src/main/java/org/geysermc/geyser/item/type/DecoratedPotItem.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2019-2023 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.item.type;
+
+import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
+import com.github.steveice10.opennbt.tag.builtin.ListTag;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.geysermc.geyser.session.GeyserSession;
+
+public class DecoratedPotItem extends BlockItem {
+
+    public DecoratedPotItem(String javaIdentifier, Builder builder) {
+        super(javaIdentifier, builder);
+    }
+
+    @Override
+    public void translateNbtToBedrock(@NonNull GeyserSession session, @NonNull CompoundTag tag) {
+        super.translateNbtToBedrock(session, tag);
+
+        if (tag.remove("BlockEntityTag") instanceof CompoundTag blockEntityTag) {
+            if (blockEntityTag.remove("sherds") instanceof ListTag sherds) {
+                // bedrock wants it on the root level
+                tag.put(sherds);
+            }
+        }
+    }
+}

core/src/main/java/org/geysermc/geyser/item/type/Item.java

@@ -144,7 +144,7 @@ public class Item {
     }
 
     /**
-     * Takes NBT from Java Edition and converts any value that Bedrock parses differently. <br>
+     * Takes NBT from Bedrock Edition and converts any value that Java parses differently. <br>
      * Do note that this method is, these days, only called in three places (as of 2023/~1.19):
      * <ul>
      *     <li>Extra recipe loading</li>

core/src/main/java/org/geysermc/geyser/item/type/ShieldItem.java

@@ -25,13 +25,40 @@
 
 package org.geysermc.geyser.item.type;
 
+import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
+import com.github.steveice10.opennbt.tag.builtin.IntTag;
+import com.github.steveice10.opennbt.tag.builtin.ListTag;
+import com.github.steveice10.opennbt.tag.builtin.Tag;
+import org.checkerframework.checker.nullness.qual.NonNull;
 import org.geysermc.geyser.item.components.ToolTier;
+import org.geysermc.geyser.session.GeyserSession;
 
 public class ShieldItem extends Item {
     public ShieldItem(String javaIdentifier, Builder builder) {
         super(javaIdentifier, builder);
     }
 
+    @Override
+    public void translateNbtToBedrock(@NonNull GeyserSession session, @NonNull CompoundTag tag) {
+        super.translateNbtToBedrock(session, tag);
+
+        if (tag.remove("BlockEntityTag") instanceof CompoundTag blockEntityTag) {
+            if (blockEntityTag.get("Patterns") instanceof ListTag patterns) {
+                for (Tag pattern : patterns) {
+                    if (((CompoundTag) pattern).get("Color") instanceof IntTag color) {
+                        color.setValue(15 - color.getValue());
+                    }
+                }
+                // Bedrock looks for patterns at the root
+                tag.put(patterns);
+            }
+            if (blockEntityTag.get("Base") instanceof IntTag base) {
+                base.setValue(15 - base.getValue());
+                tag.put(base);
+            }
+        }
+    }
+
     @Override
     public boolean isValidRepairItem(Item other) {
         // Java Edition 1.19.3 checks the tag, but TODO check to see if we want it or are simulating what Bedrock is doing

core/src/main/java/org/geysermc/geyser/item/type/ShulkerBoxItem.java

@@ -77,9 +77,17 @@ public class ShulkerBoxItem extends BlockItem {
             itemsList.add(boxItemTag);
         }
         tag.put(itemsList);
-        // Don't actually bother with removing the block entity tag. Too risky to translate
-        // if the user is on creative and messing with a shulker box
-        //itemTag.remove("BlockEntityTag");
+
+        // Strip the BlockEntityTag from the chests contents
+        // sent to the client. The client does not parse this
+        // or use it for anything, as this tag is fully
+        // server-side, so we remove it to reduce bandwidth and
+        // solve potential issues with very large tags.
+
+        // There was a problem in the past where this would strip
+        // NBT data in creative mode, however with the new server
+        // authoritative inventories, this is no longer a concern.
+        tag.remove("BlockEntityTag");
     }
 
     @Override

core/src/main/java/org/geysermc/geyser/item/type/WritableBookItem.java

@@ -37,11 +37,8 @@ import org.geysermc.geyser.translator.text.MessageTranslator;
 import java.util.ArrayList;
 import java.util.List;
 
-/**
- * Encapsulates written books and writable books. Customly named class to share common code.
- */
-public class ReadableBookItem extends Item {
-    public ReadableBookItem(String javaIdentifier, Builder builder) {
+public class WritableBookItem extends Item {
+    public WritableBookItem(String javaIdentifier, Builder builder) {
         super(javaIdentifier, builder);
     }
 

core/src/main/java/org/geysermc/geyser/item/type/WrittenBookItem.java

@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2019-2023 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.item.type;
+
+import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
+import com.github.steveice10.opennbt.tag.builtin.ListTag;
+import com.github.steveice10.opennbt.tag.builtin.StringTag;
+import com.github.steveice10.opennbt.tag.builtin.Tag;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.geysermc.geyser.session.GeyserSession;
+import org.geysermc.geyser.translator.text.MessageTranslator;
+
+import java.util.List;
+
+public class WrittenBookItem extends WritableBookItem {
+    public static final int MAXIMUM_PAGE_EDIT_LENGTH = 1024;
+    public static final int MAXIMUM_PAGE_LENGTH = 32768;
+    public static final int MAXIMUM_PAGE_COUNT = 100; // Java edition limit. Bedrock edition has a limit of 50 pages.
+    public static final int MAXIMUM_TITLE_LENGTH = 16;
+
+    public WrittenBookItem(String javaIdentifier, Builder builder) {
+        super(javaIdentifier, builder);
+    }
+
+    @Override
+    public void translateNbtToBedrock(@NonNull GeyserSession session, @NonNull CompoundTag tag) {
+        boolean isValid = isValidWrittenBook(tag);
+        if (!isValid) {
+            tag.remove("pages");
+        }
+
+        super.translateNbtToBedrock(session, tag);
+
+        if (!isValid) {
+            CompoundTag invalidTagPage = new CompoundTag("");
+            invalidTagPage.put(new StringTag("photoname", ""));
+            invalidTagPage.put(new StringTag(
+                    "text",
+                    MessageTranslator.convertMessage(
+                            Component.translatable("book.invalid.tag", NamedTextColor.DARK_RED),
+                            session.locale()
+                    )
+            ));
+            tag.put(new ListTag("pages", List.of(invalidTagPage)));
+        }
+    }
+
+    private boolean isValidWrittenBook(CompoundTag tag) {
+        if (!(tag.get("title") instanceof StringTag title)) {
+            return false;
+        }
+        if (title.getValue().length() > (MAXIMUM_TITLE_LENGTH * 2)) {
+            // Java rejects books with titles more than 2x the maximum length allowed in the input box
+            return false;
+        }
+
+        if (!(tag.get("author") instanceof StringTag)) {
+            return false;
+        }
+
+        if (!(tag.get("pages") instanceof ListTag pages)) {
+            return false;
+        }
+        for (Tag pageTag : pages) {
+            if (pageTag instanceof StringTag page) {
+                if (page.getValue().length() > MAXIMUM_PAGE_LENGTH) {
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
+}

core/src/main/java/org/geysermc/geyser/level/block/BlockStateValues.java

@@ -47,6 +47,7 @@ public final class BlockStateValues {
     private static final IntSet ALL_CAULDRONS = new IntOpenHashSet();
     private static final Int2IntMap BANNER_COLORS = new FixedInt2IntMap();
     private static final Int2ByteMap BED_COLORS = new FixedInt2ByteMap();
+    private static final Int2IntMap BRUSH_PROGRESS = new Int2IntOpenHashMap();
     private static final Int2ByteMap COMMAND_BLOCK_VALUES = new Int2ByteOpenHashMap();
     private static final Int2ObjectMap<DoubleChestValue> DOUBLE_CHEST_VALUES = new Int2ObjectOpenHashMap<>();
     private static final Int2ObjectMap<String> FLOWER_POT_VALUES = new Int2ObjectOpenHashMap<>();
@@ -98,6 +99,15 @@ public final class BlockStateValues {
             return;
         }
 
+        JsonNode bedrockStates = blockData.get("bedrock_states");
+        if (bedrockStates != null) {
+            JsonNode brushedProgress = bedrockStates.get("brushed_progress");
+            if (brushedProgress != null) {
+                BRUSH_PROGRESS.put(javaBlockState, brushedProgress.intValue());
+                return;
+            }
+        }
+
         if (javaId.contains("command_block")) {
             COMMAND_BLOCK_VALUES.put(javaBlockState, javaId.contains("conditional=true") ? (byte) 1 : (byte) 0);
             return;
@@ -225,6 +235,17 @@ public final class BlockStateValues {
         return BED_COLORS.getOrDefault(state, (byte) -1);
     }
 
+    /**
+     * The brush progress of suspicious sand/gravel is not sent by the java server when it updates the block entity.
+     * Although brush progress is part of the bedrock block state, it must be included in the block entity update.
+     *
+     * @param state BlockState of the block
+     * @return brush progress or 0 if the lookup failed
+     */
+    public static int getBrushProgress(int state) {
+        return BRUSH_PROGRESS.getOrDefault(state, 0);
+    }
+
     /**
      * Non-water cauldrons (since Bedrock 1.18.30) must have a block entity packet sent on chunk load to fix rendering issues.
      *

core/src/main/java/org/geysermc/geyser/network/GameProtocol.java

@@ -28,12 +28,8 @@ package org.geysermc.geyser.network;
 import com.github.steveice10.mc.protocol.codec.MinecraftCodec;
 import com.github.steveice10.mc.protocol.codec.PacketCodec;
 import org.cloudburstmc.protocol.bedrock.codec.BedrockCodec;
-import org.cloudburstmc.protocol.bedrock.codec.v557.Bedrock_v557;
-import org.cloudburstmc.protocol.bedrock.codec.v560.Bedrock_v560;
-import org.cloudburstmc.protocol.bedrock.codec.v567.Bedrock_v567;
-import org.cloudburstmc.protocol.bedrock.codec.v568.Bedrock_v568;
-import org.cloudburstmc.protocol.bedrock.codec.v575.Bedrock_v575;
 import org.cloudburstmc.protocol.bedrock.codec.v582.Bedrock_v582;
+import org.cloudburstmc.protocol.bedrock.codec.v589.Bedrock_v589;
 import org.cloudburstmc.protocol.bedrock.netty.codec.packet.BedrockPacketCodec;
 import org.geysermc.geyser.session.GeyserSession;
 
@@ -49,9 +45,8 @@ public final class GameProtocol {
      * Default Bedrock codec that should act as a fallback. Should represent the latest available
      * release of the game that Geyser supports.
      */
-    public static final BedrockCodec DEFAULT_BEDROCK_CODEC = Bedrock_v582.CODEC.toBuilder()
-            .minecraftVersion("1.19.81")
-            .build();
+    public static final BedrockCodec DEFAULT_BEDROCK_CODEC = Bedrock_v589.CODEC;
+
     /**
      * A list of all supported Bedrock versions that can join Geyser
      */
@@ -64,20 +59,10 @@ public final class GameProtocol {
     private static final PacketCodec DEFAULT_JAVA_CODEC = MinecraftCodec.CODEC;
 
     static {
-        SUPPORTED_BEDROCK_CODECS.add(Bedrock_v557.CODEC.toBuilder()
-                .minecraftVersion("1.19.40/1.19.41")
-                .build());
-        SUPPORTED_BEDROCK_CODECS.add(Bedrock_v560.CODEC.toBuilder()
-                .minecraftVersion("1.19.50/1.19.51")
-                .build());
-        SUPPORTED_BEDROCK_CODECS.add(Bedrock_v567.CODEC);
-        SUPPORTED_BEDROCK_CODECS.add(Bedrock_v568.CODEC);
-        SUPPORTED_BEDROCK_CODECS.add(Bedrock_v575.CODEC.toBuilder()
-                .minecraftVersion("1.19.70/1.19.71/1.19.73")
-                .build());
-        SUPPORTED_BEDROCK_CODECS.add(DEFAULT_BEDROCK_CODEC.toBuilder()
+        SUPPORTED_BEDROCK_CODECS.add(Bedrock_v582.CODEC.toBuilder()
                 .minecraftVersion("1.19.80/1.19.81")
                 .build());
+        SUPPORTED_BEDROCK_CODECS.add(DEFAULT_BEDROCK_CODEC);
     }
 
     /**
@@ -96,16 +81,8 @@ public final class GameProtocol {
 
     /* Bedrock convenience methods to gatekeep features and easily remove the check on version removal */
 
-    public static boolean supports1_19_50(GeyserSession session) {
-        return session.getUpstream().getProtocolVersion() >= Bedrock_v560.CODEC.getProtocolVersion();
-    }
-
-    public static boolean supports1_19_60(GeyserSession session) {
-        return session.getUpstream().getProtocolVersion() >= Bedrock_v567.CODEC.getProtocolVersion();
-    }
-
-    public static boolean supports1_19_80(GeyserSession session) {
-        return session.getUpstream().getProtocolVersion() >= Bedrock_v582.CODEC.getProtocolVersion();
+    public static boolean isPre1_20(GeyserSession session) {
+        return session.getUpstream().getProtocolVersion() < Bedrock_v589.CODEC.getProtocolVersion();
     }
 
     /**

core/src/main/java/org/geysermc/geyser/network/GeyserServerInitializer.java

@@ -47,11 +47,6 @@ public class GeyserServerInitializer extends BedrockServerInitializer {
         this.geyser = geyser;
     }
 
-    @Override
-    protected void postInitChannel(Channel channel) throws Exception {
-        super.postInitChannel(channel);
-    }
-
     @Override
     public void initSession(@Nonnull BedrockServerSession bedrockServerSession) {
         try {

core/src/main/java/org/geysermc/geyser/network/UpstreamPacketHandler.java

@@ -28,8 +28,6 @@ package org.geysermc.geyser.network;
 import io.netty.buffer.Unpooled;
 import org.cloudburstmc.protocol.bedrock.BedrockDisconnectReasons;
 import org.cloudburstmc.protocol.bedrock.codec.BedrockCodec;
-import org.cloudburstmc.protocol.bedrock.codec.v567.Bedrock_v567;
-import org.cloudburstmc.protocol.bedrock.codec.v568.Bedrock_v568;
 import org.cloudburstmc.protocol.bedrock.data.ExperimentData;
 import org.cloudburstmc.protocol.bedrock.data.PacketCompressionAlgorithm;
 import org.cloudburstmc.protocol.bedrock.data.ResourcePackType;
@@ -51,9 +49,12 @@ import org.cloudburstmc.protocol.common.PacketSignal;
 import org.geysermc.geyser.Constants;
 import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.api.network.AuthType;
+import org.geysermc.geyser.api.pack.PackCodec;
+import org.geysermc.geyser.api.pack.ResourcePack;
+import org.geysermc.geyser.api.pack.ResourcePackManifest;
 import org.geysermc.geyser.configuration.GeyserConfiguration;
-import org.geysermc.geyser.pack.ResourcePack;
-import org.geysermc.geyser.pack.ResourcePackManifest;
+import org.geysermc.geyser.event.type.SessionLoadResourcePacksEventImpl;
+import org.geysermc.geyser.pack.GeyserResourcePack;
 import org.geysermc.geyser.registry.BlockRegistries;
 import org.geysermc.geyser.registry.Registries;
 import org.geysermc.geyser.session.GeyserSession;
@@ -63,15 +64,20 @@ import org.geysermc.geyser.util.LoginEncryptionUtils;
 import org.geysermc.geyser.util.MathUtils;
 import org.geysermc.geyser.util.VersionCheckUtils;
 
-import java.io.FileInputStream;
-import java.io.InputStream;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.nio.channels.SeekableByteChannel;
 import java.util.ArrayDeque;
 import java.util.Deque;
+import java.util.HashMap;
 import java.util.OptionalInt;
 
 public class UpstreamPacketHandler extends LoggingPacketHandler {
 
-    private Deque<String> packsToSent = new ArrayDeque<>();
+    private boolean networkSettingsRequested = false;
+    private final Deque<String> packsToSent = new ArrayDeque<>();
+
+    private SessionLoadResourcePacksEventImpl resourcePackLoadEvent;
 
     public UpstreamPacketHandler(GeyserImpl geyser, GeyserSession session) {
         super(geyser, session);
@@ -87,8 +93,6 @@ public class UpstreamPacketHandler extends LoggingPacketHandler {
         return translateAndDefault(packet);
     }
 
-    private boolean newProtocol = false; // TEMPORARY
-
     private boolean setCorrectCodec(int protocolVersion) {
         BedrockCodec packetCodec = GameProtocol.getBedrockCodec(protocolVersion);
         if (packetCodec == null) {
@@ -127,9 +131,7 @@ public class UpstreamPacketHandler extends LoggingPacketHandler {
 
     @Override
     public PacketSignal handle(RequestNetworkSettingsPacket packet) {
-        if (setCorrectCodec(packet.getProtocolVersion())) {
-            newProtocol = true;
-        } else {
+        if (!setCorrectCodec(packet.getProtocolVersion())) {
             return PacketSignal.HANDLED;
         }
 
@@ -143,6 +145,7 @@ public class UpstreamPacketHandler extends LoggingPacketHandler {
 
         session.getUpstream().getSession().setCompression(algorithm);
         session.getUpstream().getSession().setCompressionLevel(this.geyser.getConfig().getBedrock().getCompressionLevel());
+        networkSettingsRequested = true;
         return PacketSignal.HANDLED;
     }
 
@@ -154,12 +157,9 @@ public class UpstreamPacketHandler extends LoggingPacketHandler {
             return PacketSignal.HANDLED;
         }
 
-//        session.getUpstream().getSession().getCodec() == null
-
-        if (!newProtocol) {
-            if (!setCorrectCodec(loginPacket.getProtocolVersion())) { // REMOVE WHEN ONLY 1.19.30 IS SUPPORTED OR 1.20
-                return PacketSignal.HANDLED;
-            }
+        if (!networkSettingsRequested) {
+            session.disconnect(GeyserLocale.getLocaleStringLog("geyser.network.outdated.client", GameProtocol.getAllSupportedBedrockVersions()));
+            return PacketSignal.HANDLED;
         }
 
         // Set the block translation based off of version
@@ -173,23 +173,22 @@ public class UpstreamPacketHandler extends LoggingPacketHandler {
             return PacketSignal.HANDLED;
         }
 
-        // Hack for... whatever this is
-        if (loginPacket.getProtocolVersion() == Bedrock_v567.CODEC.getProtocolVersion() && !session.getClientData().getGameVersion().equals("1.19.60")) {
-            session.getUpstream().getSession().setCodec(Bedrock_v568.CODEC);
-        }
-
         PlayStatusPacket playStatus = new PlayStatusPacket();
         playStatus.setStatus(PlayStatusPacket.Status.LOGIN_SUCCESS);
         session.sendUpstreamPacket(playStatus);
 
         geyser.getSessionManager().addPendingSession(session);
 
+        this.resourcePackLoadEvent = new SessionLoadResourcePacksEventImpl(session, new HashMap<>(Registries.RESOURCE_PACKS.get()));
+        this.geyser.eventBus().fire(this.resourcePackLoadEvent);
+
         ResourcePacksInfoPacket resourcePacksInfo = new ResourcePacksInfoPacket();
-        for(ResourcePack resourcePack : ResourcePack.PACKS.values()) {
-            ResourcePackManifest.Header header = resourcePack.getManifest().getHeader();
+        for (ResourcePack pack : this.resourcePackLoadEvent.resourcePacks()) {
+            PackCodec codec = pack.codec();
+            ResourcePackManifest.Header header = pack.manifest().header();
             resourcePacksInfo.getResourcePackInfos().add(new ResourcePacksInfoPacket.Entry(
-                    header.getUuid().toString(), header.getVersionString(), resourcePack.getFile().length(),
-                            resourcePack.getContentKey(), "", header.getUuid().toString(), false, false));
+                    header.uuid().toString(), header.version().toString(), codec.size(), pack.contentKey(),
+                    "", header.uuid().toString(), false, false));
         }
         resourcePacksInfo.setForcedToAccept(GeyserImpl.getInstance().getConfig().isForceResourcePacks());
         session.sendUpstreamPacket(resourcePacksInfo);
@@ -222,9 +221,9 @@ public class UpstreamPacketHandler extends LoggingPacketHandler {
                 stackPacket.setForcedToAccept(false); // Leaving this as false allows the player to choose to download or not
                 stackPacket.setGameVersion(session.getClientData().getGameVersion());
 
-                for (ResourcePack pack : ResourcePack.PACKS.values()) {
-                    ResourcePackManifest.Header header = pack.getManifest().getHeader();
-                    stackPacket.getResourcePacks().add(new ResourcePackStackPacket.Entry(header.getUuid().toString(), header.getVersionString(), ""));
+                for (ResourcePack pack : this.resourcePackLoadEvent.resourcePacks()) {
+                    ResourcePackManifest.Header header = pack.manifest().header();
+                    stackPacket.getResourcePacks().add(new ResourcePackStackPacket.Entry(header.uuid().toString(), header.version().toString(), ""));
                 }
 
                 if (GeyserImpl.getInstance().getConfig().isAddNonBedrockItems()) {
@@ -232,6 +231,11 @@ public class UpstreamPacketHandler extends LoggingPacketHandler {
                     stackPacket.getExperiments().add(new ExperimentData("data_driven_items", true));
                 }
 
+                if (GameProtocol.isPre1_20(session)) {
+                    stackPacket.getExperiments().add(new ExperimentData("next_major_update", true));
+                    stackPacket.getExperiments().add(new ExperimentData("sniffer", true));
+                }
+
                 session.sendUpstreamPacket(stackPacket);
                 break;
 
@@ -298,21 +302,22 @@ public class UpstreamPacketHandler extends LoggingPacketHandler {
     @Override
     public PacketSignal handle(ResourcePackChunkRequestPacket packet) {
         ResourcePackChunkDataPacket data = new ResourcePackChunkDataPacket();
-        ResourcePack pack = ResourcePack.PACKS.get(packet.getPackId().toString());
+        ResourcePack pack = this.resourcePackLoadEvent.getPacks().get(packet.getPackId().toString());
+        PackCodec codec = pack.codec();
 
         data.setChunkIndex(packet.getChunkIndex());
-        data.setProgress(packet.getChunkIndex() * ResourcePack.CHUNK_SIZE);
+        data.setProgress((long) packet.getChunkIndex() * GeyserResourcePack.CHUNK_SIZE);
         data.setPackVersion(packet.getPackVersion());
         data.setPackId(packet.getPackId());
 
-        int offset = packet.getChunkIndex() * ResourcePack.CHUNK_SIZE;
-        long remainingSize = pack.getFile().length() - offset;
-        byte[] packData = new byte[(int) MathUtils.constrain(remainingSize, 0, ResourcePack.CHUNK_SIZE)];
+        int offset = packet.getChunkIndex() * GeyserResourcePack.CHUNK_SIZE;
+        long remainingSize = codec.size() - offset;
+        byte[] packData = new byte[(int) MathUtils.constrain(remainingSize, 0, GeyserResourcePack.CHUNK_SIZE)];
 
-        try (InputStream inputStream = new FileInputStream(pack.getFile())) {
-            inputStream.skip(offset);
-            inputStream.read(packData, 0, packData.length);
-        } catch (Exception e) {
+        try (SeekableByteChannel channel = codec.serialize(pack)) {
+            channel.position(offset);
+            channel.read(ByteBuffer.wrap(packData, 0, packData.length));
+        } catch (IOException e) {
             e.printStackTrace();
         }
 
@@ -321,7 +326,7 @@ public class UpstreamPacketHandler extends LoggingPacketHandler {
         session.sendUpstreamPacket(data);
 
         // Check if it is the last chunk and send next pack in queue when available.
-        if (remainingSize <= ResourcePack.CHUNK_SIZE && !packsToSent.isEmpty()) {
+        if (remainingSize <= GeyserResourcePack.CHUNK_SIZE && !packsToSent.isEmpty()) {
             sendPackDataInfo(packsToSent.pop());
         }
 
@@ -331,15 +336,16 @@ public class UpstreamPacketHandler extends LoggingPacketHandler {
     private void sendPackDataInfo(String id) {
         ResourcePackDataInfoPacket data = new ResourcePackDataInfoPacket();
         String[] packID = id.split("_");
-        ResourcePack pack = ResourcePack.PACKS.get(packID[0]);
-        ResourcePackManifest.Header header = pack.getManifest().getHeader();
+        ResourcePack pack = this.resourcePackLoadEvent.getPacks().get(packID[0]);
+        PackCodec codec = pack.codec();
+        ResourcePackManifest.Header header = pack.manifest().header();
 
-        data.setPackId(header.getUuid());
-        int chunkCount = (int) Math.ceil((int) pack.getFile().length() / (double) ResourcePack.CHUNK_SIZE);
+        data.setPackId(header.uuid());
+        int chunkCount = (int) Math.ceil(codec.size() / (double) GeyserResourcePack.CHUNK_SIZE);
         data.setChunkCount(chunkCount);
-        data.setCompressedPackSize(pack.getFile().length());
-        data.setMaxChunkSize(ResourcePack.CHUNK_SIZE);
-        data.setHash(pack.getSha256());
+        data.setCompressedPackSize(codec.size());
+        data.setMaxChunkSize(GeyserResourcePack.CHUNK_SIZE);
+        data.setHash(codec.sha256());
         data.setPackVersion(packID[1]);
         data.setPremium(false);
         data.setType(ResourcePackType.RESOURCES);

core/src/main/java/org/geysermc/geyser/network/netty/GeyserServer.java

@@ -187,7 +187,16 @@ public final class GeyserServer {
 
     public BedrockPong onQuery(InetSocketAddress inetSocketAddress) {
         if (geyser.getConfig().isDebugMode() && PRINT_DEBUG_PINGS) {
-            String ip = geyser.getConfig().isLogPlayerIpAddresses() ? inetSocketAddress.toString() : "<IP address withheld>";
+            String ip;
+            if (geyser.getConfig().isLogPlayerIpAddresses()) {
+                if (geyser.getConfig().getBedrock().isEnableProxyProtocol()) {
+                    ip = this.proxiedAddresses.getOrDefault(inetSocketAddress, inetSocketAddress).toString();
+                } else {
+                    ip = inetSocketAddress.toString();
+                }
+            } else {
+                ip = "<IP address withheld>";
+            }
             geyser.getLogger().debug(GeyserLocale.getLocaleStringLog("geyser.network.pinged", ip));
         }
 

core/src/main/java/org/geysermc/geyser/network/netty/proxy/ProxyServerHandler.java

@@ -73,10 +73,10 @@ public class ProxyServerHandler extends SimpleChannelInboundHandler<DatagramPack
             presentAddress = new InetSocketAddress(decoded.sourceAddress(), decoded.sourcePort());
             log.debug("Got PROXY header: (from {}) {}", packet.sender(), presentAddress);
             GeyserImpl.getInstance().getGeyserServer().getProxiedAddresses().put(packet.sender(), presentAddress);
-            return;
+        } else {
+            log.trace("Reusing PROXY header: (from {}) {}", packet.sender(), presentAddress);
         }
 
-        log.trace("Reusing PROXY header: (from {}) {}", packet.sender(), presentAddress);
         ctx.fireChannelRead(packet.retain());
     }
 }

core/src/main/java/org/geysermc/geyser/pack/GeyserResourcePack.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2019-2023 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.pack;
+
+import org.geysermc.geyser.api.pack.PackCodec;
+import org.geysermc.geyser.api.pack.ResourcePack;
+import org.geysermc.geyser.api.pack.ResourcePackManifest;
+
+public record GeyserResourcePack(PackCodec codec, ResourcePackManifest manifest, String contentKey) implements ResourcePack {
+
+    /**
+     * The size of each chunk to use when sending the resource packs to clients in bytes
+     */
+    public static final int CHUNK_SIZE = 102400;
+}

core/src/main/java/org/geysermc/geyser/pack/GeyserResourcePackManifest.java

@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2019-2023 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.pack;
+
+import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+import org.geysermc.geyser.api.pack.ResourcePackManifest;
+import org.jetbrains.annotations.NotNull;
+
+import java.io.IOException;
+import java.util.Collection;
+import java.util.UUID;
+
+public record GeyserResourcePackManifest(@JsonProperty("format_version") int formatVersion, Header header, Collection<Module> modules, Collection<Dependency> dependencies) implements ResourcePackManifest {
+
+    public record Header(UUID uuid, Version version, String name, String description, @JsonProperty("min_engine_version") Version minimumSupportedMinecraftVersion) implements ResourcePackManifest.Header { }
+
+    public record Module(UUID uuid, Version version, String type, String description) implements ResourcePackManifest.Module { }
+
+    public record Dependency(UUID uuid, Version version) implements ResourcePackManifest.Dependency { }
+
+    @JsonDeserialize(using = Version.VersionDeserializer.class)
+    public record Version(int major, int minor, int patch) implements ResourcePackManifest.Version {
+
+        @Override
+        public @NotNull String toString() {
+            return major + "." + minor + "." + patch;
+        }
+
+        public static class VersionDeserializer extends JsonDeserializer<Version> {
+            @Override
+            public Version deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
+                int[] version = ctxt.readValue(p, int[].class);
+                return new Version(version[0], version[1], version[2]);
+            }
+        }
+    }
+}
+

core/src/main/java/org/geysermc/geyser/pack/ResourcePack.java

@@ -1,160 +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.pack;
-
-import lombok.Getter;
-import org.geysermc.geyser.GeyserImpl;
-import org.geysermc.geyser.api.event.lifecycle.GeyserLoadResourcePacksEvent;
-import org.geysermc.geyser.text.GeyserLocale;
-import org.geysermc.geyser.util.FileUtils;
-
-import java.io.File;
-import java.io.IOException;
-import java.nio.charset.StandardCharsets;
-import java.nio.file.Files;
-import java.nio.file.Path;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import java.util.stream.Collectors;
-import java.util.stream.Stream;
-import java.util.zip.ZipEntry;
-import java.util.zip.ZipFile;
-
-/**
- * This represents a resource pack and all the data relevant to it
- */
-public class ResourcePack {
-    /**
-     * The list of loaded resource packs
-     */
-    public static final Map<String, ResourcePack> PACKS = new HashMap<>();
-
-    /**
-     * The size of each chunk to use when sending the resource packs to clients in bytes
-     */
-    public static final int CHUNK_SIZE = 102400;
-
-    private byte[] sha256;
-    private File file;
-    private ResourcePackManifest manifest;
-    private ResourcePackManifest.Version version;
-
-    @Getter
-    private String contentKey;
-
-    /**
-     * Loop through the packs directory and locate valid resource pack files
-     */
-    public static void loadPacks() {
-        Path directory = GeyserImpl.getInstance().getBootstrap().getConfigFolder().resolve("packs");
-
-        if (!Files.exists(directory)) {
-            try {
-                Files.createDirectory(directory);
-            } catch (IOException e) {
-                GeyserImpl.getInstance().getLogger().error("Could not create packs directory", e);
-            }
-
-            // As we just created the directory it will be empty
-            return;
-        }
-
-        List<Path> resourcePacks;
-        try {
-            resourcePacks = Files.walk(directory).collect(Collectors.toList());
-        } catch (IOException e) {
-            GeyserImpl.getInstance().getLogger().error("Could not list packs directory", e);
-            return;
-        }
-
-        GeyserLoadResourcePacksEvent event = new GeyserLoadResourcePacksEvent(resourcePacks);
-        GeyserImpl.getInstance().eventBus().fire(event);
-
-        for (Path path : event.resourcePacks()) {
-            File file = path.toFile();
-
-            if (file.getName().endsWith(".zip") || file.getName().endsWith(".mcpack")) {
-                ResourcePack pack = new ResourcePack();
-
-                pack.sha256 = FileUtils.calculateSHA256(file);
-
-                try (ZipFile zip = new ZipFile(file);
-                     Stream<? extends ZipEntry> stream = zip.stream()) {
-                    stream.forEach((x) -> {
-                        String name = x.getName();
-                        if (name.length() >= 80) {
-                            GeyserImpl.getInstance().getLogger().warning("The resource pack " + file.getName()
-                                    + " has a file in it that meets or exceeds 80 characters in its path (" + name
-                                    + ", " + name.length() + " characters long). This will cause problems on some Bedrock platforms." +
-                                    " Please rename it to be shorter, or reduce the amount of folders needed to get to the file.");
-                        }
-                        if (name.contains("manifest.json")) {
-                            try {
-                                ResourcePackManifest manifest = FileUtils.loadJson(zip.getInputStream(x), ResourcePackManifest.class);
-                                // Sometimes a pack_manifest file is present and not in a valid format,
-                                // but a manifest file is, so we null check through that one
-                                if (manifest.getHeader().getUuid() != null) {
-                                    pack.file = file;
-                                    pack.manifest = manifest;
-                                    pack.version = ResourcePackManifest.Version.fromArray(manifest.getHeader().getVersion());
-
-                                    PACKS.put(pack.getManifest().getHeader().getUuid().toString(), pack);
-                                }
-                            } catch (Exception e) {
-                                e.printStackTrace();
-                            }
-                        }
-                    });
-
-                    // Check if a file exists with the same name as the resource pack suffixed by .key,
-                    // and set this as content key. (e.g. test.zip, key file would be test.zip.key)
-                    File keyFile = new File(file.getParentFile(), file.getName() + ".key");
-                    pack.contentKey = keyFile.exists() ? Files.readString(keyFile.toPath(), StandardCharsets.UTF_8) : "";
-                } catch (Exception e) {
-                    GeyserImpl.getInstance().getLogger().error(GeyserLocale.getLocaleStringLog("geyser.resource_pack.broken", file.getName()));
-                    e.printStackTrace();
-                }
-            }
-        }
-    }
-
-    public byte[] getSha256() {
-        return sha256;
-    }
-
-    public File getFile() {
-        return file;
-    }
-
-    public ResourcePackManifest getManifest() {
-        return manifest;
-    }
-
-    public ResourcePackManifest.Version getVersion() {
-        return version;
-    }
-}

core/src/main/java/org/geysermc/geyser/pack/ResourcePackManifest.java

@@ -1,117 +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.pack;
-
-import com.fasterxml.jackson.annotation.JsonProperty;
-import lombok.EqualsAndHashCode;
-import lombok.Getter;
-import lombok.ToString;
-import lombok.Value;
-
-import java.util.Collection;
-import java.util.Collections;
-import java.util.UUID;
-
-/**
- * author: NukkitX
- * Nukkit Project
- */
-@Getter
-@EqualsAndHashCode
-public class ResourcePackManifest {
-    @JsonProperty("format_version")
-    private Integer formatVersion;
-    private Header header;
-    private Collection<Module> modules;
-    protected Collection<Dependency> dependencies;
-
-    public Collection<Module> getModules() {
-        return Collections.unmodifiableCollection(modules);
-    }
-
-    @Getter
-    @ToString
-    public static class Header {
-        private String description;
-        private String name;
-        private UUID uuid;
-        private int[] version;
-        @JsonProperty("min_engine_version")
-        private int[] minimumSupportedMinecraftVersion;
-
-        public String getVersionString() {
-            return version[0] + "." + version[1] + "." + version[2];
-        }
-    }
-
-    @Getter
-    @ToString
-    public static class Module {
-        private String description;
-        private String name;
-        private UUID uuid;
-        private int[] version;
-    }
-
-    @Getter
-    @ToString
-    public static class Dependency {
-        private UUID uuid;
-        private int[] version;
-    }
-
-    @Value
-    public static class Version {
-        private final int major;
-        private final int minor;
-        private final int patch;
-
-        public static Version fromString(String ver) {
-            String[] split = ver.replace(']', ' ')
-                    .replace('[', ' ')
-                    .replaceAll(" ", "").split(",");
-
-            return new Version(Integer.parseInt(split[0]), Integer.parseInt(split[1]), Integer.parseInt(split[2]));
-        }
-
-        public static Version fromArray(int[] ver) {
-            return new Version(ver[0], ver[1], ver[2]);
-        }
-
-        private Version(int major, int minor, int patch) {
-            this.major = major;
-            this.minor = minor;
-            this.patch = patch;
-        }
-
-
-        @Override
-        public String toString() {
-            return major + "." + minor + "." + patch;
-        }
-    }
-}
-

core/src/main/java/org/geysermc/geyser/pack/path/GeyserPathPackCodec.java

@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 2019-2023 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.pack.path;
+
+import lombok.RequiredArgsConstructor;
+import org.checkerframework.checker.nullness.qual.NonNull;
+import org.geysermc.geyser.GeyserImpl;
+import org.geysermc.geyser.api.pack.PathPackCodec;
+import org.geysermc.geyser.api.pack.ResourcePack;
+import org.geysermc.geyser.registry.loader.ResourcePackLoader;
+import org.geysermc.geyser.util.FileUtils;
+
+import java.io.IOException;
+import java.nio.channels.FileChannel;
+import java.nio.channels.SeekableByteChannel;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.attribute.FileTime;
+
+@RequiredArgsConstructor
+public class GeyserPathPackCodec extends PathPackCodec {
+    private final Path path;
+    private FileTime lastModified;
+
+    private byte[] sha256;
+    private long size = -1;
+
+    @Override
+    public @NonNull Path path() {
+        this.checkLastModified();
+        return this.path;
+    }
+
+    @Override
+    public byte @NonNull [] sha256() {
+        this.checkLastModified();
+        if (this.sha256 != null) {
+            return this.sha256;
+        }
+
+        return this.sha256 = FileUtils.calculateSHA256(this.path);
+    }
+
+    @Override
+    public long size() {
+        this.checkLastModified();
+        if (this.size != -1) {
+            return this.size;
+        }
+
+        try {
+            return this.size = Files.size(this.path);
+        } catch (IOException e) {
+            throw new RuntimeException("Could not get file size of path " + this.path, e);
+        }
+    }
+
+    @Override
+    public @NonNull SeekableByteChannel serialize(@NonNull ResourcePack resourcePack) throws IOException {
+        return FileChannel.open(this.path);
+    }
+
+    @Override
+    protected @NonNull ResourcePack create() {
+        return ResourcePackLoader.readPack(this.path);
+    }
+
+    private void checkLastModified() {
+        try {
+            FileTime lastModified = Files.getLastModifiedTime(this.path);
+            if (this.lastModified == null) {
+                this.lastModified = lastModified;
+                return;
+            }
+
+            if (lastModified.toInstant().isAfter(this.lastModified.toInstant())) {
+                GeyserImpl.getInstance().getLogger().warning("Detected a change in the resource pack " + path + ". This is likely to cause undefined behavior for new clients joining. It is suggested you restart Geyser.");
+                this.lastModified = lastModified;
+                this.sha256 = null;
+                this.size = -1;
+            }
+        } catch (IOException e) {
+            throw new RuntimeException(e);
+        }
+    }
+}

core/src/main/java/org/geysermc/geyser/registry/DeferredRegistry.java

@@ -0,0 +1,184 @@
+/*
+ * Copyright (c) 2019-2023 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.registry;
+
+import org.geysermc.geyser.registry.loader.RegistryLoader;
+import org.geysermc.geyser.registry.loader.RegistryLoaders;
+
+import java.util.function.Consumer;
+import java.util.function.Function;
+import java.util.function.Supplier;
+
+/**
+ * A deferred registry is a registry that is not loaded until it is needed.
+ * This is useful for registries that are not needed until after other parts
+ * of the lifecycle have been completed.
+ * <p>
+ * This class is slightly different from other registries in that it acts as
+ * a wrapper around another registry. This is to allow for any kind of registry
+ * type to be deferred.
+ *
+ * @param <M> the value being held by the registry
+ */
+public final class DeferredRegistry<M> implements IRegistry<M> {
+    private final Registry<M> backingRegistry;
+    private final Supplier<M> loader;
+
+    private boolean loaded;
+
+    private <I> DeferredRegistry(Function<RegistryLoader<I, M>, Registry<M>> registryLoader, RegistryLoader<I, M> deferredLoader) {
+        this.backingRegistry = registryLoader.apply(RegistryLoaders.uninitialized());
+        this.loader = () -> deferredLoader.load(null);
+    }
+
+    private <I> DeferredRegistry(Function<RegistryLoader<I, M>, Registry<M>> registryLoader, Supplier<RegistryLoader<I, M>> deferredLoader) {
+        this.backingRegistry = registryLoader.apply(RegistryLoaders.uninitialized());
+        this.loader = () -> deferredLoader.get().load(null);
+    }
+
+    private <I> DeferredRegistry(I input, RegistryInitializer<M> registryInitializer, RegistryLoader<I, M> deferredLoader) {
+        this.backingRegistry = registryInitializer.initialize(input, RegistryLoaders.uninitialized());
+        this.loader = () -> deferredLoader.load(input);
+    }
+
+    private <I> DeferredRegistry(I input, RegistryInitializer<M> registryInitializer, Supplier<RegistryLoader<I, M>> deferredLoader) {
+        this.backingRegistry = registryInitializer.initialize(input, RegistryLoaders.uninitialized());
+        this.loader = () -> deferredLoader.get().load(input);
+    }
+
+    /**
+     * Gets the underlying value held by this registry.
+     *
+     * @return the underlying value held by this registry
+     * @throws IllegalStateException if this deferred registry has not been loaded yet
+     */
+    @Override
+    public M get() {
+        if (!this.loaded) {
+            throw new IllegalStateException("Registry has not been loaded yet!");
+        }
+
+        return this.backingRegistry.get();
+    }
+
+    @Override
+    public void set(M mappings) {
+        this.backingRegistry.set(mappings);
+    }
+
+    /**
+     * Registers what is specified in the given {@link Consumer} into the underlying value.
+     *
+     * @param consumer the consumer
+     * @throws IllegalStateException if this deferred registry has not been loaded yet
+     */
+    @Override
+    public void register(Consumer<M> consumer) {
+        if (!this.loaded) {
+            throw new IllegalStateException("Registry has not been loaded yet!");
+        }
+
+        this.backingRegistry.register(consumer);
+    }
+
+    /**
+     * Loads the registry.
+     */
+    public void load() {
+        this.backingRegistry.set(this.loader.get());
+        this.loaded = true;
+    }
+
+    /**
+     * Creates a new deferred registry.
+     *
+     * @param registryLoader the registry loader
+     * @param deferredLoader the deferred loader
+     * @param <I> the input type
+     * @param <M> the registry type
+     * @return the new deferred registry
+     */
+    public static <I, M> DeferredRegistry<M> create(Function<RegistryLoader<I, M>, Registry<M>> registryLoader, RegistryLoader<I, M> deferredLoader) {
+        return new DeferredRegistry<>(registryLoader, deferredLoader);
+    }
+
+    /**
+     * Creates a new deferred registry.
+     *
+     * @param registryLoader the registry loader
+     * @param deferredLoader the deferred loader
+     * @param <I> the input type
+     * @param <M> the registry type
+     * @return the new deferred registry
+     */
+    public static <I, M> DeferredRegistry<M> create(Function<RegistryLoader<I, M>, Registry<M>> registryLoader, Supplier<RegistryLoader<I, M>> deferredLoader) {
+        return new DeferredRegistry<>(registryLoader, deferredLoader);
+    }
+
+    /**
+     * Creates a new deferred registry.
+     *
+     * @param registryInitializer the registry initializer
+     * @param deferredLoader the deferred loader
+     * @param <I> the input type
+     * @param <M> the registry type
+     * @return the new deferred registry
+     */
+    public static <I, M> DeferredRegistry<M> create(I input, RegistryInitializer<M> registryInitializer, RegistryLoader<I, M> deferredLoader) {
+        return new DeferredRegistry<>(input, registryInitializer, deferredLoader);
+    }
+
+    /**
+     * Creates a new deferred registry.
+     *
+     * @param registryInitializer the registry initializer
+     * @param deferredLoader the deferred loader
+     * @param <I> the input type
+     * @param <M> the registry type
+     * @return the new deferred registry
+     */
+    public static <I, M> DeferredRegistry<M> create(I input, RegistryInitializer<M> registryInitializer, Supplier<RegistryLoader<I, M>> deferredLoader) {
+        return new DeferredRegistry<>(input, registryInitializer, deferredLoader);
+    }
+
+    /**
+     * A registry initializer.
+     *
+     * @param <M> the registry type
+     */
+    interface RegistryInitializer<M> {
+
+        /**
+         * Initializes the registry.
+         *
+         * @param input the input
+         * @param registryLoader the registry loader
+         * @param <I> the input type
+         * @return the initialized registry
+         */
+        <I> Registry<M> initialize(I input, RegistryLoader<I, M> registryLoader);
+    }
+}

core/src/main/java/org/geysermc/geyser/registry/IRegistry.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2019-2023 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.registry;
+
+import java.util.function.Consumer;
+
+/**
+ * Represents a registry.
+ *
+ * @param <M> the value being held by the registry
+ */
+interface IRegistry<M> {
+
+    /**
+     * Gets the underlying value held by this registry.
+     *
+     * @return the underlying value held by this registry.
+     */
+    M get();
+
+    /**
+     * Sets the underlying value held by this registry.
+     * Clears any existing data associated with the previous
+     * value.
+     *
+     * @param mappings the underlying value held by this registry
+     */
+    void set(M mappings);
+
+    /**
+     * Registers what is specified in the given
+     * {@link Consumer} into the underlying value.
+     *
+     * @param consumer the consumer
+     */
+    void register(Consumer<M> consumer);
+}

core/src/main/java/org/geysermc/geyser/registry/PacketTranslatorRegistry.java

@@ -25,6 +25,7 @@
 
 package org.geysermc.geyser.registry;
 
+import com.github.steveice10.mc.protocol.packet.ingame.clientbound.ClientboundDelimiterPacket;
 import com.github.steveice10.mc.protocol.packet.ingame.clientbound.ClientboundTabListPacket;
 import com.github.steveice10.mc.protocol.packet.ingame.clientbound.level.ClientboundLightUpdatePacket;
 import io.netty.channel.EventLoop;
@@ -44,6 +45,7 @@ public class PacketTranslatorRegistry<T> extends AbstractMappedRegistry<Class<?
     static {
         IGNORED_PACKETS.add(ClientboundLightUpdatePacket.class); // Light is handled on Bedrock for us
         IGNORED_PACKETS.add(ClientboundTabListPacket.class); // Cant be implemented in Bedrock
+        IGNORED_PACKETS.add(ClientboundDelimiterPacket.class); // Not implemented, spams logs
     }
 
     protected PacketTranslatorRegistry() {

core/src/main/java/org/geysermc/geyser/registry/Registries.java

@@ -41,6 +41,8 @@ import org.cloudburstmc.nbt.NbtMapBuilder;
 import org.cloudburstmc.protocol.bedrock.data.inventory.crafting.PotionMixData;
 import org.cloudburstmc.protocol.bedrock.data.inventory.crafting.recipe.RecipeData;
 import org.cloudburstmc.protocol.bedrock.packet.BedrockPacket;
+import org.geysermc.geyser.GeyserImpl;
+import org.geysermc.geyser.api.pack.ResourcePack;
 import org.geysermc.geyser.entity.EntityDefinition;
 import org.geysermc.geyser.inventory.item.Enchantment.JavaEnchantment;
 import org.geysermc.geyser.inventory.recipe.GeyserRecipe;
@@ -158,6 +160,11 @@ public final class Registries {
      */
     public static final IntMappedRegistry<org.cloudburstmc.protocol.bedrock.data.SoundEvent> RECORDS = IntMappedRegistry.create(RegistryLoaders.empty(Int2ObjectOpenHashMap::new));
 
+    /**
+     * A mapped registry holding {@link ResourcePack}'s with the pack uuid as keys.
+     */
+    public static final DeferredRegistry<Map<String, ResourcePack>> RESOURCE_PACKS = DeferredRegistry.create(GeyserImpl.getInstance().packDirectory(), SimpleMappedRegistry::create, RegistryLoaders.RESOURCE_PACKS);
+
     /**
      * A mapped registry holding sound identifiers to their corresponding {@link SoundMapping}.
      */

core/src/main/java/org/geysermc/geyser/registry/Registry.java

@@ -64,7 +64,7 @@ import java.util.function.Consumer;
  *
  * @param <M> the value being held by the registry
  */
-public abstract class Registry<M> {
+public abstract class Registry<M> implements IRegistry<M> {
     protected M mappings;
 
     /**
@@ -85,6 +85,7 @@ public abstract class Registry<M> {
      *
      * @return the underlying value held by this registry.
      */
+    @Override
     public M get() {
         return this.mappings;
     }
@@ -96,6 +97,7 @@ public abstract class Registry<M> {
      *
      * @param mappings the underlying value held by this registry
      */
+    @Override
     public void set(M mappings) {
         this.mappings = mappings;
     }
@@ -106,6 +108,7 @@ public abstract class Registry<M> {
      *
      * @param consumer the consumer
      */
+    @Override
     public void register(Consumer<M> consumer) {
         consumer.accept(this.mappings);
     }

core/src/main/java/org/geysermc/geyser/registry/loader/ProviderRegistryLoader.java

@@ -31,13 +31,16 @@ import org.geysermc.geyser.api.extension.Extension;
 import org.geysermc.geyser.api.item.custom.CustomItemData;
 import org.geysermc.geyser.api.item.custom.CustomItemOptions;
 import org.geysermc.geyser.api.item.custom.NonVanillaCustomItemData;
+import org.geysermc.geyser.api.pack.PathPackCodec;
 import org.geysermc.geyser.command.GeyserCommandManager;
 import org.geysermc.geyser.event.GeyserEventRegistrar;
 import org.geysermc.geyser.item.GeyserCustomItemData;
 import org.geysermc.geyser.item.GeyserCustomItemOptions;
 import org.geysermc.geyser.item.GeyserNonVanillaCustomItemData;
+import org.geysermc.geyser.pack.path.GeyserPathPackCodec;
 import org.geysermc.geyser.registry.provider.ProviderSupplier;
 
+import java.nio.file.Path;
 import java.util.Map;
 
 /**
@@ -47,11 +50,15 @@ public class ProviderRegistryLoader implements RegistryLoader<Map<Class<?>, Prov
 
     @Override
     public Map<Class<?>, ProviderSupplier> load(Map<Class<?>, ProviderSupplier> providers) {
+        // misc
         providers.put(Command.Builder.class, args -> new GeyserCommandManager.CommandBuilder<>((Extension) args[0]));
+        providers.put(EventRegistrar.class, args -> new GeyserEventRegistrar(args[0]));
+        providers.put(PathPackCodec.class, args -> new GeyserPathPackCodec((Path) args[0]));
+
+        // items
         providers.put(CustomItemData.Builder.class, args -> new GeyserCustomItemData.CustomItemDataBuilder());
         providers.put(CustomItemOptions.Builder.class, args -> new GeyserCustomItemOptions.CustomItemOptionsBuilder());
         providers.put(NonVanillaCustomItemData.Builder.class, args -> new GeyserNonVanillaCustomItemData.NonVanillaCustomItemDataBuilder());
-        providers.put(EventRegistrar.class, args -> new GeyserEventRegistrar(args[0]));
 
         return providers;
     }

core/src/main/java/org/geysermc/geyser/registry/loader/RegistryLoaders.java

@@ -36,7 +36,12 @@ public final class RegistryLoaders {
     /**
      * The {@link RegistryLoader} responsible for loading NBT.
      */
-    public static NbtRegistryLoader NBT = new NbtRegistryLoader();
+    public static final NbtRegistryLoader NBT = new NbtRegistryLoader();
+
+    /**
+     * The {@link RegistryLoader} responsible for loading resource packs.
+     */
+    public static final ResourcePackLoader RESOURCE_PACKS = new ResourcePackLoader();
 
     /**
      * Wraps the surrounding {@link Supplier} in a {@link RegistryLoader} which does
@@ -51,10 +56,14 @@ public final class RegistryLoaders {
     }
 
     /**
+     * Returns a {@link RegistryLoader} which has not taken
+     * in any input value.
+     *
+     * @param <I> the input
      * @param <V> the value
      * @return a RegistryLoader that is yet to contain a value.
      */
-    public static <V> RegistryLoader<Object, V> uninitialized() {
+    public static <I, V> RegistryLoader<I, V> uninitialized() {
         return input -> null;
     }
 

core/src/main/java/org/geysermc/geyser/registry/loader/ResourcePackLoader.java

@@ -0,0 +1,156 @@
+/*
+ * Copyright (c) 2019-2023 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.registry.loader;
+
+import org.geysermc.geyser.GeyserImpl;
+import org.geysermc.geyser.api.event.lifecycle.GeyserLoadResourcePacksEvent;
+import org.geysermc.geyser.api.pack.ResourcePack;
+import org.geysermc.geyser.pack.GeyserResourcePack;
+import org.geysermc.geyser.pack.GeyserResourcePackManifest;
+import org.geysermc.geyser.pack.path.GeyserPathPackCodec;
+import org.geysermc.geyser.text.GeyserLocale;
+import org.geysermc.geyser.util.FileUtils;
+
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.FileSystems;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.PathMatcher;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.atomic.AtomicReference;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipFile;
+
+/**
+ * Loads {@link ResourcePack}s within a {@link Path} directory, firing the {@link GeyserLoadResourcePacksEvent}.
+ */
+public class ResourcePackLoader implements RegistryLoader<Path, Map<String, ResourcePack>> {
+
+    static final PathMatcher PACK_MATCHER = FileSystems.getDefault().getPathMatcher("glob:**.{zip,mcpack}");
+
+    private static final boolean SHOW_RESOURCE_PACK_LENGTH_WARNING = Boolean.parseBoolean(System.getProperty("Geyser.ShowResourcePackLengthWarning", "true"));
+
+    /**
+     * Loop through the packs directory and locate valid resource pack files
+     */
+    @Override
+    public Map<String, ResourcePack> load(Path directory) {
+        Map<String, ResourcePack> packMap = new HashMap<>();
+
+        if (!Files.exists(directory)) {
+            try {
+                Files.createDirectory(directory);
+            } catch (IOException e) {
+                GeyserImpl.getInstance().getLogger().error("Could not create packs directory", e);
+            }
+        }
+
+        List<Path> resourcePacks;
+        try (Stream<Path> stream = Files.walk(directory)) {
+            resourcePacks = stream.filter(PACK_MATCHER::matches)
+                    .collect(Collectors.toCollection(ArrayList::new)); // toList() does not guarantee mutability
+        } catch (Exception e) {
+            GeyserImpl.getInstance().getLogger().error("Could not list packs directory", e);
+
+            // Ensure the event is fired even if there was an issue reading
+            // from our own resource pack directory. External projects may have
+            // resource packs located at different locations.
+            resourcePacks = new ArrayList<>();
+        }
+
+        GeyserLoadResourcePacksEvent event = new GeyserLoadResourcePacksEvent(resourcePacks);
+        GeyserImpl.getInstance().eventBus().fire(event);
+
+        for (Path path : event.resourcePacks()) {
+            try {
+                GeyserResourcePack pack = readPack(path);
+                packMap.put(pack.manifest().header().uuid().toString(), pack);
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        }
+        return packMap;
+    }
+
+    /**
+     * Reads a resource pack at the given file. Also searches for a file in the same directory, with the same name
+     * but suffixed by ".key", containing the content key. If such file does not exist, no content key is stored.
+     *
+     * @param path the file to read from, in ZIP format
+     * @return a {@link ResourcePack} representation
+     * @throws IllegalArgumentException if the pack manifest was invalid or there was any processing exception
+     */
+    public static GeyserResourcePack readPack(Path path) throws IllegalArgumentException {
+        if (!path.getFileName().toString().endsWith(".mcpack") && !path.getFileName().toString().endsWith(".zip")) {
+            throw new IllegalArgumentException("Resource pack " + path.getFileName() + " must be a .zip or .mcpack file!");
+        }
+
+        AtomicReference<GeyserResourcePackManifest> manifestReference = new AtomicReference<>();
+
+        try (ZipFile zip = new ZipFile(path.toFile());
+             Stream<? extends ZipEntry> stream = zip.stream()) {
+            stream.forEach(x -> {
+                String name = x.getName();
+                if (SHOW_RESOURCE_PACK_LENGTH_WARNING && name.length() >= 80) {
+                    GeyserImpl.getInstance().getLogger().warning("The resource pack " + path.getFileName()
+                            + " has a file in it that meets or exceeds 80 characters in its path (" + name
+                            + ", " + name.length() + " characters long). This will cause problems on some Bedrock platforms." +
+                            " Please rename it to be shorter, or reduce the amount of folders needed to get to the file.");
+                }
+                if (name.contains("manifest.json")) {
+                    try {
+                        GeyserResourcePackManifest manifest = FileUtils.loadJson(zip.getInputStream(x), GeyserResourcePackManifest.class);
+                        if (manifest.header().uuid() != null) {
+                            manifestReference.set(manifest);
+                        }
+                    } catch (IOException e) {
+                        e.printStackTrace();
+                    }
+                }
+            });
+
+            GeyserResourcePackManifest manifest = manifestReference.get();
+            if (manifest == null) {
+                throw new IllegalArgumentException(path.getFileName() + " does not contain a valid pack_manifest.json or manifest.json");
+            }
+
+            // Check if a file exists with the same name as the resource pack suffixed by .key,
+            // and set this as content key. (e.g. test.zip, key file would be test.zip.key)
+            Path keyFile = path.resolveSibling(path.getFileName().toString() + ".key");
+            String contentKey = Files.exists(keyFile) ? Files.readString(path, StandardCharsets.UTF_8) : "";
+
+            return new GeyserResourcePack(new GeyserPathPackCodec(path), manifest, contentKey);
+        } catch (Exception e) {
+            throw new IllegalArgumentException(GeyserLocale.getLocaleStringLog("geyser.resource_pack.broken", path.getFileName()), e);
+        }
+    }
+}

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

@@ -32,11 +32,8 @@ import com.google.common.collect.Interner;
 import com.google.common.collect.Interners;
 import it.unimi.dsi.fastutil.objects.*;
 import org.cloudburstmc.nbt.*;
-import org.cloudburstmc.protocol.bedrock.codec.v544.Bedrock_v544;
-import org.cloudburstmc.protocol.bedrock.codec.v560.Bedrock_v560;
-import org.cloudburstmc.protocol.bedrock.codec.v567.Bedrock_v567;
-import org.cloudburstmc.protocol.bedrock.codec.v575.Bedrock_v575;
 import org.cloudburstmc.protocol.bedrock.codec.v582.Bedrock_v582;
+import org.cloudburstmc.protocol.bedrock.codec.v589.Bedrock_v589;
 import org.cloudburstmc.protocol.bedrock.data.definitions.BlockDefinition;
 import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.level.block.BlockStateValues;
@@ -70,41 +67,54 @@ public final class BlockRegistryPopulator {
     }
 
     private static void registerBedrockBlocks() {
-        BiFunction<String, NbtMapBuilder, String> woolMapper = (bedrockIdentifier, statesBuilder) -> {
-            if (bedrockIdentifier.equals("minecraft:wool")) {
-                String color = (String) statesBuilder.remove("color");
-                if ("silver".equals(color)) {
-                    color = "light_gray";
+        BiFunction<String, NbtMapBuilder, String> emptyMapper = (bedrockIdentifier, statesBuilder) -> null;
+
+        // We are using mappings that directly support 1.20, so this maps it back to 1.19.80
+        BiFunction<String, NbtMapBuilder, String> legacyMapper = (bedrockIdentifier, statesBuilder) -> {
+            if (bedrockIdentifier.endsWith("pumpkin")) {
+                String direction = statesBuilder.remove("minecraft:cardinal_direction").toString();
+                statesBuilder.putInt("direction", switch (direction) {
+                    case "north" -> 2;
+                    case "east" -> 3;
+                    case "west" -> 1;
+                    default -> 0; // south
+                });
+            } else if (bedrockIdentifier.endsWith("carpet") && !bedrockIdentifier.startsWith("minecraft:moss")) {
+                String color = bedrockIdentifier.replace("minecraft:", "").replace("_carpet", "");
+                if (color.equals("light_gray")) {
+                    color = "silver";
                 }
-                return "minecraft:" + color + "_wool";
+                statesBuilder.putString("color", color);
+                return "minecraft:carpet";
+            } else if (bedrockIdentifier.equals("minecraft:sniffer_egg")) {
+                statesBuilder.remove("cracked_state");
+                return "minecraft:dragon_egg";
+            } else if (bedrockIdentifier.endsWith("coral")) {
+                statesBuilder.putString("coral_color", "blue"); // all blue
+                statesBuilder.putBoolean("dead_bit", bedrockIdentifier.startsWith("minecraft:dead"));
+                return "minecraft:coral";
+            } else if (bedrockIdentifier.endsWith("sculk_sensor")) {
+                int phase = (int) statesBuilder.remove("sculk_sensor_phase");
+                statesBuilder.putBoolean("powered_bit", phase != 0);
+            } else if (bedrockIdentifier.endsWith("pitcher_plant")) {
+                statesBuilder.putString("double_plant_type", "sunflower");
+                return "minecraft:double_plant";
+            } else if (bedrockIdentifier.endsWith("pitcher_crop")) {
+                statesBuilder.remove("growth");
+                if (((byte) statesBuilder.remove("upper_block_bit")) == 1){
+                    statesBuilder.putString("flower_type", "orchid");
+                    return "minecraft:red_flower"; // top
+                }
+                statesBuilder.putBoolean("update_bit", false);
+                return "minecraft:flower_pot"; // bottom
             }
+
             return null;
         };
-        BiFunction<String, NbtMapBuilder, String> emptyMapper = (bedrockIdentifier, statesBuilder) -> null;
+
         ImmutableMap<ObjectIntPair<String>, BiFunction<String, NbtMapBuilder, String>> blockMappers = ImmutableMap.<ObjectIntPair<String>, BiFunction<String, NbtMapBuilder, String>>builder()
-                .put(ObjectIntPair.of("1_19_20", Bedrock_v544.CODEC.getProtocolVersion()), emptyMapper)
-                .put(ObjectIntPair.of("1_19_50", Bedrock_v560.CODEC.getProtocolVersion()), emptyMapper)
-                .put(ObjectIntPair.of("1_19_60", Bedrock_v567.CODEC.getProtocolVersion()), emptyMapper)
-                .put(ObjectIntPair.of("1_19_70", Bedrock_v575.CODEC.getProtocolVersion()), woolMapper)
-                .put(ObjectIntPair.of("1_19_80", Bedrock_v582.CODEC.getProtocolVersion()), (bedrockIdentifier, statesBuilder) -> {
-                    String identifier = woolMapper.apply(bedrockIdentifier, statesBuilder);
-                    if (identifier != null) {
-                        return identifier;
-                    }
-                    switch (bedrockIdentifier) {
-                        case "minecraft:log", "minecraft:log2" -> {
-                            String woodType = (String) statesBuilder.remove(bedrockIdentifier.equals("minecraft:log") ? "old_log_type" : "new_log_type");
-                            return "minecraft:" + woodType + "_log";
-                        }
-                        case "minecraft:fence" -> {
-                            String woodType = (String) statesBuilder.remove("wood_type");
-                            return "minecraft:" + woodType + "_fence";
-                        }
-                        default -> {
-                            return null;
-                        }
-                    }
-                })
+                .put(ObjectIntPair.of("1_19_80", Bedrock_v582.CODEC.getProtocolVersion()), legacyMapper)
+                .put(ObjectIntPair.of("1_20_0", Bedrock_v589.CODEC.getProtocolVersion()), emptyMapper)
                 .build();
 
         // We can keep this strong as nothing should be garbage collected
@@ -167,8 +177,8 @@ public final class BlockRegistryPopulator {
 
                 GeyserBedrockBlock bedrockDefinition = blockStateOrderedMap.get(buildBedrockState(entry.getValue(), stateVersion, stateMapper));
                 if (bedrockDefinition == null) {
-                    throw new RuntimeException("Unable to find " + javaId + " Bedrock BlockDefinition! Built NBT tag: \n" +
-                            buildBedrockState(entry.getValue(), stateVersion, stateMapper));
+                    throw new RuntimeException("Unable to find " + javaId + " Bedrock BlockDefinition on version "
+                            + palette.getKey().key() + "! Built NBT tag: \n" + buildBedrockState(entry.getValue(), stateVersion, stateMapper));
                 }
 
                 switch (javaId) {

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

@@ -54,18 +54,18 @@ public class CreativeItemRegistryPopulator {
             (identifier, data) -> identifier.equals("minecraft:bordure_indented_banner_pattern") || identifier.equals("minecraft:field_masoned_banner_pattern")
     );
 
-    static void populate(Map.Entry<String, ItemRegistryPopulator.PaletteVersion> version, Map<String, ItemDefinition> definitions, Consumer<ItemData.Builder> itemConsumer) {
+    static void populate(ItemRegistryPopulator.PaletteVersion palette, Map<String, ItemDefinition> definitions, Consumer<ItemData.Builder> itemConsumer) {
         GeyserBootstrap bootstrap = GeyserImpl.getInstance().getBootstrap();
 
         // Load creative items
         JsonNode creativeItemEntries;
-        try (InputStream stream = bootstrap.getResource(String.format("bedrock/creative_items.%s.json", version.getKey()))) {
+        try (InputStream stream = bootstrap.getResource(String.format("bedrock/creative_items.%s.json", palette.version()))) {
             creativeItemEntries = GeyserImpl.JSON_MAPPER.readTree(stream).get("items");
         } catch (Exception e) {
             throw new AssertionError("Unable to load creative items", e);
         }
 
-        BlockMappings blockMappings = BlockRegistries.BLOCKS.forVersion(version.getValue().protocolVersion());
+        BlockMappings blockMappings = BlockRegistries.BLOCKS.forVersion(palette.protocolVersion());
         for (JsonNode itemNode : creativeItemEntries) {
             ItemData.Builder itemBuilder = createItemData(itemNode, blockMappings, definitions);
             if (itemBuilder == null) {

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

@@ -34,14 +34,12 @@ import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
 import it.unimi.dsi.fastutil.ints.IntOpenHashSet;
 import it.unimi.dsi.fastutil.ints.IntSet;
 import it.unimi.dsi.fastutil.objects.*;
+import org.checkerframework.checker.nullness.qual.NonNull;
 import org.cloudburstmc.nbt.NbtMap;
 import org.cloudburstmc.nbt.NbtMapBuilder;
 import org.cloudburstmc.nbt.NbtType;
-import org.cloudburstmc.protocol.bedrock.codec.v544.Bedrock_v544;
-import org.cloudburstmc.protocol.bedrock.codec.v560.Bedrock_v560;
-import org.cloudburstmc.protocol.bedrock.codec.v567.Bedrock_v567;
-import org.cloudburstmc.protocol.bedrock.codec.v575.Bedrock_v575;
 import org.cloudburstmc.protocol.bedrock.codec.v582.Bedrock_v582;
+import org.cloudburstmc.protocol.bedrock.codec.v589.Bedrock_v589;
 import org.cloudburstmc.protocol.bedrock.data.definitions.BlockDefinition;
 import org.cloudburstmc.protocol.bedrock.data.definitions.ItemDefinition;
 import org.cloudburstmc.protocol.bedrock.data.definitions.SimpleItemDefinition;
@@ -70,22 +68,40 @@ import java.util.concurrent.atomic.AtomicInteger;
  */
 public class ItemRegistryPopulator {
 
-    record PaletteVersion(int protocolVersion, Map<Item, String> additionalTranslatedItems) {
+    record PaletteVersion(String version, int protocolVersion, Map<Item, String> javaOnlyItems, Remapper remapper) {
+
+        public PaletteVersion(String version, int protocolVersion) {
+            this(version, protocolVersion, Collections.emptyMap(), (item, mapping) -> mapping);
+        }
+    }
+
+    @FunctionalInterface
+    interface Remapper {
+        @NonNull
+        GeyserMappingItem remap(Item item, GeyserMappingItem mapping);
     }
 
     public static void populate() {
-        Map<Item, String> manualFallback = new HashMap<>();
-        manualFallback.put(Items.ENDER_DRAGON_SPAWN_EGG, "minecraft:enderman_spawn_egg");
-        manualFallback.put(Items.WITHER_SPAWN_EGG, "minecraft:wither_skeleton_spawn_egg");
-        manualFallback.put(Items.SNOW_GOLEM_SPAWN_EGG, "minecraft:polar_bear_spawn_egg");
-        manualFallback.put(Items.IRON_GOLEM_SPAWN_EGG, "minecraft:villager_spawn_egg");
+        Map<Item, String> legacyJavaOnly = new HashMap<>();
+        legacyJavaOnly.put(Items.MUSIC_DISC_RELIC, "minecraft:music_disc_wait");
+        legacyJavaOnly.put(Items.PITCHER_PLANT, "minecraft:chorus_flower");
+        legacyJavaOnly.put(Items.PITCHER_POD, "minecraft:beetroot");
+        legacyJavaOnly.put(Items.SNIFFER_EGG, "minecraft:sniffer_spawn_egg"); // the BlockItem of the sniffer egg block
 
-        Map<String, PaletteVersion> paletteVersions = new Object2ObjectOpenHashMap<>();
-        paletteVersions.put("1_19_20", new PaletteVersion(Bedrock_v544.CODEC.getProtocolVersion(), manualFallback));
-        paletteVersions.put("1_19_50", new PaletteVersion(Bedrock_v560.CODEC.getProtocolVersion(), manualFallback));
-        paletteVersions.put("1_19_60", new PaletteVersion(Bedrock_v567.CODEC.getProtocolVersion(), Collections.emptyMap()));
-        paletteVersions.put("1_19_70", new PaletteVersion(Bedrock_v575.CODEC.getProtocolVersion(), Collections.emptyMap()));
-        paletteVersions.put("1_19_80", new PaletteVersion(Bedrock_v582.CODEC.getProtocolVersion(), Collections.emptyMap()));
+        List<PaletteVersion> paletteVersions = new ArrayList<>(2);
+        paletteVersions.add(new PaletteVersion("1_19_80", Bedrock_v582.CODEC.getProtocolVersion(), legacyJavaOnly, (item, mapping) -> {
+            String id = item.javaIdentifier();
+            if (id.endsWith("pottery_sherd")) {
+                return mapping.withBedrockIdentifier(id.replace("sherd", "shard"));
+            } else if (id.endsWith("carpet") && !id.startsWith("minecraft:moss")) {
+                return mapping.withBedrockIdentifier("minecraft:carpet");
+            } else if (id.endsWith("coral")) {
+                return mapping.withBedrockIdentifier("minecraft:coral");
+            }
+
+            return mapping;
+        }));
+        paletteVersions.add(new PaletteVersion("1_20_0", Bedrock_v589.CODEC.getProtocolVersion()));
 
         GeyserBootstrap bootstrap = GeyserImpl.getInstance().getBootstrap();
 
@@ -115,11 +131,11 @@ public class ItemRegistryPopulator {
         boolean firstMappingsPass = true;
 
         /* Load item palette */
-        for (Map.Entry<String, PaletteVersion> palette : paletteVersions.entrySet()) {
+        for (PaletteVersion palette : paletteVersions) {
             TypeReference<List<PaletteItem>> paletteEntriesType = new TypeReference<>() {};
 
             List<PaletteItem> itemEntries;
-            try (InputStream stream = bootstrap.getResource(String.format("bedrock/runtime_item_states.%s.json", palette.getKey()))) {
+            try (InputStream stream = bootstrap.getResource(String.format("bedrock/runtime_item_states.%s.json", palette.version()))) {
                 itemEntries = GeyserImpl.JSON_MAPPER.readValue(stream, paletteEntriesType);
             } catch (Exception e) {
                 throw new AssertionError("Unable to load Bedrock runtime item IDs", e);
@@ -177,22 +193,16 @@ public class ItemRegistryPopulator {
                 }
             });
 
-            BlockMappings blockMappings = BlockRegistries.BLOCKS.forVersion(palette.getValue().protocolVersion());
+            BlockMappings blockMappings = BlockRegistries.BLOCKS.forVersion(palette.protocolVersion());
 
             Set<Item> javaOnlyItems = new ObjectOpenHashSet<>();
             Collections.addAll(javaOnlyItems, Items.SPECTRAL_ARROW, Items.DEBUG_STICK,
                     Items.KNOWLEDGE_BOOK, Items.TIPPED_ARROW, Items.BUNDLE);
-            // these spawn eggs exist in 1.19.60+;
-            if (palette.getValue().protocolVersion() < Bedrock_v567.CODEC.getProtocolVersion()) {
-                Collections.addAll(javaOnlyItems, Items.IRON_GOLEM_SPAWN_EGG, Items.SNOW_GOLEM_SPAWN_EGG,
-                        Items.WITHER_SPAWN_EGG, Items.ENDER_DRAGON_SPAWN_EGG);
-            }
-            javaOnlyItems.add(Items.DECORATED_POT);
             if (!customItemsAllowed) {
                 javaOnlyItems.add(Items.FURNACE_MINECART);
             }
             // Java-only items for this version
-            javaOnlyItems.addAll(palette.getValue().additionalTranslatedItems().keySet());
+            javaOnlyItems.addAll(palette.javaOnlyItems().keySet());
 
             Int2ObjectMap<String> customIdMappings = new Int2ObjectOpenHashMap<>();
             Set<String> registeredItemNames = new ObjectOpenHashSet<>(); // This is used to check for duplicate item names
@@ -203,12 +213,12 @@ public class ItemRegistryPopulator {
                     throw new RuntimeException("Extra item in mappings? " + entry.getKey());
                 }
                 GeyserMappingItem mappingItem;
-                String replacementItem = palette.getValue().additionalTranslatedItems().get(javaItem);
+                String replacementItem = palette.javaOnlyItems().get(javaItem);
                 if (replacementItem != null) {
-                    mappingItem = items.get(replacementItem);
+                    mappingItem = items.get(replacementItem); // java only item, a java id fallback has been provided
                 } else {
-                    // This items has a mapping specifically for this version of the game
-                    mappingItem = entry.getValue();
+                    // check if any mapping changes need to be made on this version
+                    mappingItem = palette.remapper().remap(javaItem, entry.getValue());
                 }
 
                 if (customItemsAllowed && javaItem == Items.FURNACE_MINECART) {
@@ -217,26 +227,10 @@ public class ItemRegistryPopulator {
                     continue;
                 }
 
-                String bedrockIdentifier;
-                // 1.19.70+
-                if (palette.getValue().protocolVersion() >= Bedrock_v575.CODEC.getProtocolVersion() && mappingItem.getBedrockIdentifier().equals("minecraft:wool")) {
-                    bedrockIdentifier = javaItem.javaIdentifier();
-                } else {
-                    bedrockIdentifier = mappingItem.getBedrockIdentifier();
-                }
-
-                //1.19.80+
-                if (palette.getValue().protocolVersion >= Bedrock_v582.CODEC.getProtocolVersion()) {
-                    if (mappingItem.getBedrockIdentifier().equals("minecraft:log") ||
-                            mappingItem.getBedrockIdentifier().equals("minecraft:log2") ||
-                            mappingItem.getBedrockIdentifier().equals("minecraft:fence")) {
-                        bedrockIdentifier = javaItem.javaIdentifier();
-                    }
-                }
-
+                String bedrockIdentifier = mappingItem.getBedrockIdentifier();
                 ItemDefinition definition = definitions.get(bedrockIdentifier);
                 if (definition == null) {
-                    throw new RuntimeException("Missing Bedrock ItemDefinition in mappings: " + bedrockIdentifier);
+                    throw new RuntimeException("Missing Bedrock ItemDefinition in version " + palette.version() + " for mapping: " + mappingItem);
                 }
 
                 BlockDefinition bedrockBlock = null;
@@ -430,7 +424,7 @@ public class ItemRegistryPopulator {
                 } else if (javaItem.javaIdentifier().startsWith("minecraft:music_disc_")) {
                     // The Java record level event uses the item ID as the "key" to play the record
                     Registries.RECORDS.register(javaItem.javaId(), SoundEvent.valueOf("RECORD_" +
-                            javaItem.javaIdentifier().replace("minecraft:music_disc_", "").toUpperCase(Locale.ENGLISH)));
+                            mapping.getBedrockIdentifier().replace("minecraft:music_disc_", "").toUpperCase(Locale.ENGLISH)));
                 }
 
                 mappings.add(mapping);
@@ -521,7 +515,7 @@ public class ItemRegistryPopulator {
                     .customIdMappings(customIdMappings)
                     .build();
 
-            Registries.ITEMS.register(palette.getValue().protocolVersion(), itemMappings);
+            Registries.ITEMS.register(palette.protocolVersion(), itemMappings);
 
             firstMappingsPass = false;
         }

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

@@ -26,12 +26,22 @@
 package org.geysermc.geyser.registry.type;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
-import lombok.Data;
+import lombok.AllArgsConstructor;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.ToString;
+import lombok.With;
 
 /**
  * Represents Geyser's own serialized item information before being processed per-version
  */
-@Data
+@ToString
+@EqualsAndHashCode
+@Getter
+@With
+@NoArgsConstructor
+@AllArgsConstructor
 public class GeyserMappingItem {
     @JsonProperty("bedrock_identifier") String bedrockIdentifier;
     @JsonProperty("bedrock_data") int bedrockData;

core/src/main/java/org/geysermc/geyser/session/GeyserSession.java

@@ -56,7 +56,11 @@ import com.github.steveice10.mc.protocol.packet.ingame.serverbound.player.Server
 import com.github.steveice10.mc.protocol.packet.login.serverbound.ServerboundCustomQueryPacket;
 import com.github.steveice10.packetlib.BuiltinFlags;
 import com.github.steveice10.packetlib.Session;
-import com.github.steveice10.packetlib.event.session.*;
+import com.github.steveice10.packetlib.event.session.ConnectedEvent;
+import com.github.steveice10.packetlib.event.session.DisconnectedEvent;
+import com.github.steveice10.packetlib.event.session.PacketErrorEvent;
+import com.github.steveice10.packetlib.event.session.PacketSendingEvent;
+import com.github.steveice10.packetlib.event.session.SessionAdapter;
 import com.github.steveice10.packetlib.packet.Packet;
 import com.github.steveice10.packetlib.tcp.TcpClientSession;
 import com.github.steveice10.packetlib.tcp.TcpSession;
@@ -81,6 +85,7 @@ import org.checkerframework.checker.nullness.qual.Nullable;
 import org.checkerframework.common.value.qual.IntRange;
 import org.cloudburstmc.math.vector.*;
 import org.cloudburstmc.nbt.NbtMap;
+import org.cloudburstmc.protocol.bedrock.BedrockDisconnectReasons;
 import org.cloudburstmc.protocol.bedrock.BedrockServerSession;
 import org.cloudburstmc.protocol.bedrock.data.*;
 import org.cloudburstmc.protocol.bedrock.data.command.CommandEnumData;
@@ -93,7 +98,7 @@ import org.cloudburstmc.protocol.common.util.OptionalBoolean;
 import org.geysermc.api.util.BedrockPlatform;
 import org.geysermc.api.util.InputMode;
 import org.geysermc.api.util.UiProfile;
-import org.geysermc.common.PlatformType;
+import org.geysermc.geyser.api.util.PlatformType;
 import org.geysermc.cumulus.form.Form;
 import org.geysermc.cumulus.form.util.FormBuilder;
 import org.geysermc.floodgate.crypto.FloodgateCipher;
@@ -103,6 +108,7 @@ import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.api.connection.GeyserConnection;
 import org.geysermc.geyser.api.entity.type.GeyserEntity;
 import org.geysermc.geyser.api.entity.type.player.GeyserPlayerEntity;
+import org.geysermc.geyser.api.event.bedrock.SessionLoginEvent;
 import org.geysermc.geyser.api.network.AuthType;
 import org.geysermc.geyser.api.network.RemoteServer;
 import org.geysermc.geyser.command.GeyserCommandSource;
@@ -123,6 +129,7 @@ import org.geysermc.geyser.item.Items;
 import org.geysermc.geyser.level.JavaDimension;
 import org.geysermc.geyser.level.WorldManager;
 import org.geysermc.geyser.level.physics.CollisionManager;
+import org.geysermc.geyser.network.GameProtocol;
 import org.geysermc.geyser.network.netty.LocalSession;
 import org.geysermc.geyser.registry.Registries;
 import org.geysermc.geyser.registry.type.BlockMappings;
@@ -877,6 +884,16 @@ public class GeyserSession implements GeyserConnection, GeyserCommandSource {
      * After getting whatever credentials needed, we attempt to join the Java server.
      */
     private void connectDownstream() {
+        SessionLoginEvent loginEvent = new SessionLoginEvent(this, remoteServer);
+        GeyserImpl.getInstance().eventBus().fire(loginEvent);
+        if (loginEvent.isCancelled()) {
+            String disconnectReason = loginEvent.disconnectReason() == null ?
+                    BedrockDisconnectReasons.DISCONNECTED : loginEvent.disconnectReason();
+            disconnect(disconnectReason);
+            return;
+        }
+
+        this.remoteServer = loginEvent.remoteServer();
         boolean floodgate = this.remoteServer.authType() == AuthType.FLOODGATE;
 
         // Start ticking
@@ -1539,6 +1556,11 @@ public class GeyserSession implements GeyserConnection, GeyserCommandSource {
         startGamePacket.setRewindHistorySize(0);
         startGamePacket.setServerAuthoritativeBlockBreaking(false);
 
+        if (GameProtocol.isPre1_20(this)) {
+            startGamePacket.getExperiments().add(new ExperimentData("next_major_update", true));
+            startGamePacket.getExperiments().add(new ExperimentData("sniffer", true));
+        }
+
         upstream.sendPacket(startGamePacket);
     }
 
@@ -1942,8 +1964,10 @@ public class GeyserSession implements GeyserConnection, GeyserCommandSource {
         }
 
         EmotePacket packet = new EmotePacket();
-        packet.setEmoteId(emoteId);
         packet.setRuntimeEntityId(entity.getGeyserId());
+        packet.setXuid("");
+        packet.setPlatformId(""); // BDS sends empty
+        packet.setEmoteId(emoteId);
         sendUpstreamPacket(packet);
     }
 

core/src/main/java/org/geysermc/geyser/session/cache/BookEditCache.java

@@ -62,7 +62,7 @@ public class BookEditCache {
         if ((System.currentTimeMillis() - lastBookUpdate) < 1000) {
             return;
         }
-        // Don't send the update if the player isn't not holding a book, shouldn't happen if we catch all interactions
+        // Don't send the update if the player is not holding a book, shouldn't happen if we catch all interactions
         GeyserItemStack itemStack = session.getPlayerInventory().getItemInHand();
         if (itemStack == null || itemStack.asItem() != Items.WRITABLE_BOOK) {
             packet = null;

core/src/main/java/org/geysermc/geyser/session/cache/TagCache.java

@@ -64,6 +64,7 @@ public class TagCache {
     private IntList foxFood;
     private IntList piglinLoved;
     private IntList smallFlowers;
+    private IntList snifferFood;
 
     public TagCache() {
         // Ensure all lists are non-null
@@ -101,6 +102,7 @@ public class TagCache {
         this.foxFood = IntList.of(itemTags.get("minecraft:fox_food"));
         this.piglinLoved = IntList.of(itemTags.get("minecraft:piglin_loved"));
         this.smallFlowers = IntList.of(itemTags.get("minecraft:small_flowers"));
+        this.snifferFood = load(itemTags.get("minecraft:sniffer_food"));
 
         // Hack btw
         boolean emulatePost1_13Logic = itemTags.get("minecraft:signs").length > 1;
@@ -137,6 +139,7 @@ public class TagCache {
         this.foxFood = IntLists.emptyList();
         this.piglinLoved = IntLists.emptyList();
         this.smallFlowers = IntLists.emptyList();
+        this.snifferFood = IntLists.emptyList();
     }
 
     public boolean isAxolotlTemptItem(Item item) {
@@ -167,6 +170,10 @@ public class TagCache {
         return smallFlowers.contains(itemStack.getJavaId());
     }
 
+    public boolean isSnifferFood(Item item) {
+        return snifferFood.contains(item.javaId());
+    }
+
     public boolean isAxeEffective(BlockMapping blockMapping) {
         return axeEffective.contains(blockMapping.getJavaBlockId());
     }

core/src/main/java/org/geysermc/geyser/session/cache/WorldCache.java

@@ -61,6 +61,10 @@ public final class WorldCache {
     private int currentSequence;
     private final Object2IntMap<Vector3i> unverifiedPredictions = new Object2IntOpenHashMap<>(1);
 
+    @Getter
+    @Setter
+    private boolean editingSignOnFront;
+
     public WorldCache(GeyserSession session) {
         this.session = session;
         this.scoreboard = new Scoreboard(session);

core/src/main/java/org/geysermc/geyser/skin/ProvidedSkins.java

@@ -30,10 +30,9 @@ import org.geysermc.geyser.util.AssetUtils;
 
 import javax.imageio.ImageIO;
 import java.awt.image.BufferedImage;
-import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.Objects;
 import java.util.UUID;
@@ -80,14 +79,14 @@ public final class ProvidedSkins {
                     .resolve(slim ? "slim" : "wide");
             String assetName = asset.substring(asset.lastIndexOf('/') + 1);
 
-            File location = folder.resolve(assetName).toFile();
-            AssetUtils.addTask(!location.exists(), new AssetUtils.ClientJarTask("assets/minecraft/" + asset,
+            Path location = folder.resolve(assetName);
+            AssetUtils.addTask(!Files.exists(location), new AssetUtils.ClientJarTask("assets/minecraft/" + asset,
                     (stream) -> AssetUtils.saveFile(location, stream),
                     () -> {
                         try {
                             // TODO lazy initialize?
                             BufferedImage image;
-                            try (InputStream stream = new FileInputStream(location)) {
+                            try (InputStream stream = Files.newInputStream(location)) {
                                 image = ImageIO.read(stream);
                             }
 

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

@@ -34,6 +34,7 @@ import org.geysermc.geyser.util.WebUtils;
 import javax.annotation.Nullable;
 import java.io.*;
 import java.nio.file.Files;
+import java.nio.file.Path;
 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.Locale;
@@ -57,8 +58,8 @@ public class MinecraftLocale {
     }
 
     public static void ensureEN_US() {
-        File localeFile = getFile("en_us");
-        AssetUtils.addTask(!localeFile.exists(), new AssetUtils.ClientJarTask("assets/minecraft/lang/en_us.json",
+        Path localeFile = getPath("en_us");
+        AssetUtils.addTask(!Files.exists(localeFile), new AssetUtils.ClientJarTask("assets/minecraft/lang/en_us.json",
                 (stream) -> AssetUtils.saveFile(localeFile, stream),
                 () -> {
                     if ("en_us".equals(GeyserLocale.getDefaultLocale())) {
@@ -106,10 +107,10 @@ public class MinecraftLocale {
         if (locale.equals("en_us")) {
             return;
         }
-        File localeFile = getFile(locale);
+        Path localeFile = getPath(locale);
 
         // Check if we have already downloaded the locale file
-        if (localeFile.exists()) {
+        if (Files.exists(localeFile)) {
             String curHash = byteArrayToHexString(FileUtils.calculateSHA1(localeFile));
             String targetHash = AssetUtils.getAsset("minecraft/lang/" + locale + ".json").getHash();
 
@@ -130,8 +131,8 @@ public class MinecraftLocale {
         }
     }
 
-    private static File getFile(String locale) {
-        return GeyserImpl.getInstance().getBootstrap().getConfigFolder().resolve("locales/" + locale + ".json").toFile();
+    private static Path getPath(String locale) {
+        return GeyserImpl.getInstance().getBootstrap().getConfigFolder().resolve("locales/" + locale + ".json");
     }
 
     /**

core/src/main/java/org/geysermc/geyser/translator/inventory/InventoryTranslator.java

@@ -94,7 +94,7 @@ public abstract class InventoryTranslator {
             put(ContainerType.LOOM, new LoomInventoryTranslator());
             put(ContainerType.MERCHANT, new MerchantInventoryTranslator());
             put(ContainerType.SHULKER_BOX, new ShulkerInventoryTranslator());
-            put(ContainerType.LEGACY_SMITHING, new SmithingInventoryTranslator());
+            put(ContainerType.SMITHING, new SmithingInventoryTranslator());
             put(ContainerType.STONECUTTER, new StonecutterInventoryTranslator());
 
             /* Lectern */
@@ -525,10 +525,28 @@ public abstract class InventoryTranslator {
 
                         int remainder = transferAction.getCount() % resultSize;
                         int timesToCraft = transferAction.getCount() / resultSize;
-                        for (int i = 0; i < timesToCraft; i++) {
-                            plan.add(Click.LEFT, sourceSlot);
-                            plan.add(Click.LEFT, destSlot);
+
+                        if (plan.getCursor().isEmpty()) {
+                            // No carried items - move to destination
+                            for (int i = 0; i < timesToCraft; i++) {
+                                plan.add(Click.LEFT, sourceSlot);
+                                plan.add(Click.LEFT, destSlot);
+                            }
+                        } else {
+                            GeyserItemStack cursor = session.getPlayerInventory().getCursor();
+                            int tempSlot = findTempSlot(inventory, cursor, true, sourceSlot, destSlot);
+                            if (tempSlot == -1) {
+                                return rejectRequest(request);
+                            }
+
+                            plan.add(Click.LEFT, tempSlot); //place cursor into temp slot
+                            for (int i = 0; i < timesToCraft; i++) {
+                                plan.add(Click.LEFT, sourceSlot); //pick up source item
+                                plan.add(Click.LEFT, destSlot); //place source item into dest slot
+                            }
+                            plan.add(Click.LEFT, tempSlot); //pick up original item
                         }
+
                         if (remainder > 0) {
                             plan.add(Click.LEFT, 0);
                             for (int i = 0; i < remainder; i++) {

core/src/main/java/org/geysermc/geyser/translator/inventory/SmithingInventoryTranslator.java

@@ -33,15 +33,16 @@ import org.geysermc.geyser.inventory.updater.UIInventoryUpdater;
 
 public class SmithingInventoryTranslator extends AbstractBlockInventoryTranslator {
     public SmithingInventoryTranslator() {
-        super(3, "minecraft:smithing_table", ContainerType.SMITHING_TABLE, UIInventoryUpdater.INSTANCE);
+        super(4, "minecraft:smithing_table", ContainerType.SMITHING_TABLE, UIInventoryUpdater.INSTANCE);
     }
 
     @Override
     public int bedrockSlotToJava(ItemStackRequestSlotData slotInfoData) {
         return switch (slotInfoData.getContainer()) {
-            case SMITHING_TABLE_INPUT -> 0;
-            case SMITHING_TABLE_MATERIAL -> 1;
-            case SMITHING_TABLE_RESULT, CREATED_OUTPUT -> 2;
+            case SMITHING_TABLE_TEMPLATE -> 0;
+            case SMITHING_TABLE_INPUT -> 1;
+            case SMITHING_TABLE_MATERIAL -> 2;
+            case SMITHING_TABLE_RESULT, CREATED_OUTPUT -> 3;
             default -> super.bedrockSlotToJava(slotInfoData);
         };
     }
@@ -49,9 +50,10 @@ public class SmithingInventoryTranslator extends AbstractBlockInventoryTranslato
     @Override
     public BedrockContainerSlot javaSlotToBedrockContainer(int slot) {
         return switch (slot) {
-            case 0 -> new BedrockContainerSlot(ContainerSlotType.SMITHING_TABLE_INPUT, 51);
-            case 1 -> new BedrockContainerSlot(ContainerSlotType.SMITHING_TABLE_MATERIAL, 52);
-            case 2 -> new BedrockContainerSlot(ContainerSlotType.SMITHING_TABLE_RESULT, 50);
+            case 0 -> new BedrockContainerSlot(ContainerSlotType.SMITHING_TABLE_TEMPLATE, 53);
+            case 1 -> new BedrockContainerSlot(ContainerSlotType.SMITHING_TABLE_INPUT, 51);
+            case 2 -> new BedrockContainerSlot(ContainerSlotType.SMITHING_TABLE_MATERIAL, 52);
+            case 3 -> new BedrockContainerSlot(ContainerSlotType.SMITHING_TABLE_RESULT, 50);
             default -> super.javaSlotToBedrockContainer(slot);
         };
     }
@@ -59,9 +61,10 @@ public class SmithingInventoryTranslator extends AbstractBlockInventoryTranslato
     @Override
     public int javaSlotToBedrock(int slot) {
         return switch (slot) {
-            case 0 -> 51;
-            case 1 -> 52;
-            case 2 -> 50;
+            case 0 -> 53;
+            case 1 -> 51;
+            case 2 -> 52;
+            case 3 -> 50;
             default -> super.javaSlotToBedrock(slot);
         };
     }

core/src/main/java/org/geysermc/geyser/translator/inventory/StonecutterInventoryTranslator.java

@@ -62,19 +62,20 @@ public class StonecutterInventoryTranslator extends AbstractBlockInventoryTransl
         }
 
         StonecutterContainer container = (StonecutterContainer) inventory;
+        ItemStack javaOutput = craftingData.output();
         int button = craftingData.buttonId();
+
         // If we've already pressed the button with this item, no need to press it again!
         if (container.getStonecutterButton() != button) {
-            ItemStack javaOutput = craftingData.output();
-
             // Getting the index of the item in the Java stonecutter list
             ServerboundContainerButtonClickPacket packet = new ServerboundContainerButtonClickPacket(inventory.getJavaId(), button);
             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);
-            }
+        }
+
+        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);
         }
 
         return translateRequest(session, inventory, request);

core/src/main/java/org/geysermc/geyser/translator/level/block/entity/BrushableBlockEntityTranslator.java

@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2019-2023 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.level.block.entity;
+
+import com.github.steveice10.mc.protocol.data.game.level.block.BlockEntityType;
+import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
+import com.github.steveice10.opennbt.tag.builtin.StringTag;
+import com.github.steveice10.opennbt.tag.builtin.Tag;
+import org.cloudburstmc.nbt.NbtMap;
+import org.cloudburstmc.nbt.NbtMapBuilder;
+import org.geysermc.geyser.item.Items;
+import org.geysermc.geyser.level.block.BlockStateValues;
+import org.geysermc.geyser.network.GameProtocol;
+import org.geysermc.geyser.registry.Registries;
+import org.geysermc.geyser.registry.type.ItemMapping;
+
+@BlockEntity(type = BlockEntityType.BRUSHABLE_BLOCK)
+public class BrushableBlockEntityTranslator extends BlockEntityTranslator implements RequiresBlockState {
+
+    @Override
+    public void translateTag(NbtMapBuilder builder, CompoundTag tag, int blockState) {
+        if (!(tag.remove("item") instanceof CompoundTag itemTag)) {
+            return;
+        }
+        Tag hitDirection = tag.get("hit_direction");
+        if (hitDirection == null) {
+            // java server sends no direction when the item recedes back into the block (if player stops brushing)
+            return;
+        }
+
+        String id = ((StringTag) itemTag.get("id")).getValue();
+        if (Items.AIR.javaIdentifier().equals(id)) {
+            return; // server sends air when the block contains nothing
+        }
+
+        ItemMapping mapping = Registries.ITEMS.forVersion(GameProtocol.DEFAULT_BEDROCK_CODEC.getProtocolVersion()).getMapping(id);
+        if (mapping == null) {
+            return;
+        }
+        NbtMapBuilder itemBuilder = NbtMap.builder()
+            .putString("Name", mapping.getBedrockIdentifier())
+            .putByte("Count", (byte) itemTag.get("Count").getValue());
+
+        builder.putCompound("item", itemBuilder.build());
+        // controls which side the item protrudes from
+        builder.putByte("brush_direction", ((Number) hitDirection.getValue()).byteValue());
+        // controls how much the item protrudes
+        builder.putInt("brush_count", BlockStateValues.getBrushProgress(blockState));
+    }
+}

core/src/main/java/org/geysermc/geyser/translator/level/block/entity/DecoratedPotBlockEntityTranslator.java

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2019-2023 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.level.block.entity;
+
+import com.github.steveice10.mc.protocol.data.game.level.block.BlockEntityType;
+import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
+import com.github.steveice10.opennbt.tag.builtin.ListTag;
+import com.github.steveice10.opennbt.tag.builtin.StringTag;
+import com.github.steveice10.opennbt.tag.builtin.Tag;
+import org.cloudburstmc.nbt.NbtMapBuilder;
+import org.cloudburstmc.nbt.NbtType;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@BlockEntity(type = BlockEntityType.DECORATED_POT)
+public class DecoratedPotBlockEntityTranslator extends BlockEntityTranslator {
+
+    @Override
+    public void translateTag(NbtMapBuilder builder, CompoundTag tag, int blockState) {
+        // exact same format
+        if (tag.get("sherds") instanceof ListTag sherds) {
+            List<String> translated = new ArrayList<>(4);
+            for (Tag sherd : sherds) {
+                translated.add(((StringTag) sherd).getValue());
+            }
+            builder.putList("sherds", NbtType.STRING, translated);
+        }
+    }
+}

core/src/main/java/org/geysermc/geyser/translator/level/block/entity/HangingSignBlockEntityTranslator.java

@@ -0,0 +1,38 @@
+/*
+ * Copyright (c) 2019-2023 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.level.block.entity;
+
+import com.github.steveice10.mc.protocol.data.game.level.block.BlockEntityType;
+import org.geysermc.geyser.util.SignUtils;
+
+@BlockEntity(type = BlockEntityType.HANGING_SIGN)
+public class HangingSignBlockEntityTranslator extends SignBlockEntityTranslator {
+
+    @Override
+    public int signWidthMax() {
+        return SignUtils.HANGING_SIGN_WIDTH_MAX; // Smaller than that for BlockEntityType.SIGN
+    }
+}

core/src/main/java/org/geysermc/geyser/translator/level/block/entity/PistonBlockEntity.java

@@ -36,13 +36,12 @@ import it.unimi.dsi.fastutil.objects.Object2IntMap;
 import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap;
 import it.unimi.dsi.fastutil.objects.ObjectOpenHashSet;
 import lombok.Getter;
-import org.geysermc.common.PlatformType;
+import org.geysermc.geyser.api.util.PlatformType;
 import org.geysermc.geyser.level.block.BlockStateValues;
 import org.geysermc.geyser.level.physics.Axis;
 import org.geysermc.geyser.level.physics.BoundingBox;
 import org.geysermc.geyser.level.physics.CollisionManager;
 import org.geysermc.geyser.level.physics.Direction;
-import org.geysermc.geyser.network.GameProtocol;
 import org.geysermc.geyser.registry.Registries;
 import org.geysermc.geyser.session.GeyserSession;
 import org.geysermc.geyser.session.cache.PistonCache;
@@ -622,10 +621,6 @@ public class PistonBlockEntity {
         Vector3i movement = getMovement();
         attachedBlocks.forEach((blockPos, javaId) -> {
             blockPos = blockPos.add(movement);
-            if (!GameProtocol.supports1_19_50(session)) {
-                // Send a final block entity packet to detach blocks for clients older than 1.19.50
-                BlockEntityUtils.updateBlockEntity(session, buildMovingBlockTag(blockPos, javaId, Direction.DOWN.getUnitVector()), blockPos);
-            }
             // Don't place blocks that collide with the player
             if (!SOLID_BOUNDING_BOX.checkIntersection(blockPos.toDouble(), session.getCollisionManager().getPlayerBoundingBox())) {
                 ChunkUtils.updateBlock(session, javaId, blockPos);

core/src/main/java/org/geysermc/geyser/translator/level/block/entity/SignBlockEntityTranslator.java

@@ -27,12 +27,15 @@ package org.geysermc.geyser.translator.level.block.entity;
 
 import com.github.steveice10.mc.protocol.data.game.level.block.BlockEntityType;
 import com.github.steveice10.opennbt.tag.builtin.CompoundTag;
+import com.github.steveice10.opennbt.tag.builtin.ListTag;
 import com.github.steveice10.opennbt.tag.builtin.Tag;
+import org.cloudburstmc.nbt.NbtMap;
 import org.cloudburstmc.nbt.NbtMapBuilder;
+import org.geysermc.geyser.text.ChatColor;
 import org.geysermc.geyser.translator.text.MessageTranslator;
 import org.geysermc.geyser.util.SignUtils;
 
-@BlockEntity(type = {BlockEntityType.SIGN, BlockEntityType.HANGING_SIGN})
+@BlockEntity(type = BlockEntityType.SIGN)
 public class SignBlockEntityTranslator extends BlockEntityTranslator {
     /**
      * Maps a color stored in a sign's Color tag to its ARGB value.
@@ -64,54 +67,80 @@ public class SignBlockEntityTranslator extends BlockEntityTranslator {
         return dyeColor | (255 << 24);
     }
 
+    public int signWidthMax() {
+        return SignUtils.SIGN_WIDTH_MAX;
+    }
+
     @Override
     public void translateTag(NbtMapBuilder builder, CompoundTag tag, int blockState) {
-        StringBuilder signText = new StringBuilder();
-        for (int i = 0; i < 4; i++) {
-            int currentLine = i + 1;
-            String signLine = getOrDefault(tag.getValue().get("Text" + currentLine), "");
-            signLine = MessageTranslator.convertMessageLenient(signLine);
+        builder.putCompound("FrontText", translateSide(tag.get("front_text")));
+        builder.putCompound("BackText", translateSide(tag.get("back_text")));
+        var waxed = tag.get("is_waxed");
+        builder.putBoolean("IsWaxed", waxed != null && waxed.getValue() instanceof Number number && number.byteValue() != 0);
+    }
 
-            // Check the character width on the sign to ensure there is no overflow that is usually hidden
-            // to Java Edition clients but will appear to Bedrock clients
-            int signWidth = 0;
-            StringBuilder finalSignLine = new StringBuilder();
-            boolean previousCharacterWasFormatting = false; // Color changes do not count for maximum width
-            for (char c : signLine.toCharArray()) {
-                if (c == '\u00a7') {
-                    // Don't count this character
-                    previousCharacterWasFormatting = true;
-                } else if (previousCharacterWasFormatting) {
-                    // Don't count this character either
-                    previousCharacterWasFormatting = false;
-                } else {
-                    signWidth += SignUtils.getCharacterWidth(c);
+    private NbtMap translateSide(Tag tag) {
+        if (!(tag instanceof CompoundTag signData)) {
+            return NbtMap.EMPTY;
+        }
+        NbtMapBuilder builder = NbtMap.builder();
+
+        StringBuilder signText = new StringBuilder();
+        Tag messages = signData.get("messages");
+        if (messages instanceof ListTag listTag) {
+            var it = listTag.iterator();
+            while (it.hasNext()) {
+                String signLine = (String) it.next().getValue();
+                signLine = MessageTranslator.convertMessageLenient(signLine);
+
+                // Check the character width on the sign to ensure there is no overflow that is usually hidden
+                // to Java Edition clients but will appear to Bedrock clients
+                int signWidth = 0;
+                StringBuilder finalSignLine = new StringBuilder();
+                boolean previousCharacterWasFormatting = false; // Color changes do not count for maximum width
+                for (char c : signLine.toCharArray()) {
+                    if (c == ChatColor.ESCAPE) {
+                        // Don't count this character
+                        previousCharacterWasFormatting = true;
+                    } else if (previousCharacterWasFormatting) {
+                        // Don't count this character either
+                        previousCharacterWasFormatting = false;
+                    } else {
+                        signWidth += SignUtils.getCharacterWidth(c);
+                    }
+
+                    if (signWidth <= signWidthMax()) {
+                        finalSignLine.append(c);
+                    } else {
+                        // Adding the character would make Bedrock move to the next line - Java doesn't do that, so we do not want to
+                        break;
+                    }
                 }
 
-                // todo 1.20: update for hanging signs (smaller width). Currently OK because bedrock sees hanging signs as normal signs
-                if (signWidth <= SignUtils.BEDROCK_CHARACTER_WIDTH_MAX) {
-                    finalSignLine.append(c);
-                } else {
-                    // Adding the character would make Bedrock move to the next line - Java doesn't do that, so we do not want to
-                    break;
+                signText.append(finalSignLine);
+                if (it.hasNext()) {
+                    signText.append("\n");
                 }
             }
+        }
 
-            signText.append(finalSignLine);
-            signText.append("\n");
+        // Trim extra newlines - this makes editing difficult if preserved because the cursor starts at the bottom,
+        // Which can easily go over the screen
+        while (!signText.isEmpty() && signText.charAt(signText.length() - 1) == '\n') {
+            signText.deleteCharAt(signText.length() - 1);
         }
 
         builder.putString("Text", signText.toString());
 
         // Java Edition 1.14 added the ability to change the text color of the whole sign using dye
-        Tag color = tag.get("Color");
+        Tag color = signData.get("color");
         if (color != null) {
             builder.putInt("SignTextColor", getBedrockSignColor(color.getValue().toString()));
         }
 
         // Glowing text
-        boolean isGlowing = getOrDefault(tag.getValue().get("GlowingText"), (byte) 0) != (byte) 0;
+        boolean isGlowing = getOrDefault(signData.get("has_glowing_text"), (byte) 0) != (byte) 0;
         builder.putBoolean("IgnoreLighting", isGlowing);
-        builder.putBoolean("TextIgnoreLegacyBugResolved", isGlowing); // ??? required
+        return builder.build();
     }
 }

core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/BedrockBlockEntityDataTranslator.java

@@ -30,7 +30,6 @@ import com.github.steveice10.mc.protocol.packet.ingame.serverbound.level.Serverb
 import org.cloudburstmc.math.vector.Vector3i;
 import org.cloudburstmc.nbt.NbtMap;
 import org.cloudburstmc.protocol.bedrock.packet.BlockEntityDataPacket;
-import org.geysermc.geyser.network.GameProtocol;
 import org.geysermc.geyser.session.GeyserSession;
 import org.geysermc.geyser.translator.protocol.PacketTranslator;
 import org.geysermc.geyser.translator.protocol.Translator;
@@ -44,16 +43,12 @@ public class BedrockBlockEntityDataTranslator extends PacketTranslator<BlockEnti
     public void translate(GeyserSession session, BlockEntityDataPacket packet) {
         NbtMap tag = packet.getData();
         String id = tag.getString("id");
-        if (id.equals("Sign")) {
-            String text;
-            if (GameProtocol.supports1_19_80(session)) {
-                // The other side is called... you guessed it... BackText
-                text = tag.getCompound("FrontText")
-                        .getString("Text");
-            } else {
-                text = tag.getString("Text");
-            }
-            text = MessageTranslator.convertToPlainText(text);
+        if (id.endsWith("Sign")) {
+            // Hanging signs are narrower
+            int widthMax = SignUtils.getSignWidthMax(id.startsWith("Hanging"));
+
+            String text = MessageTranslator.convertToPlainText(
+                tag.getCompound(session.getWorldCache().isEditingSignOnFront() ? "FrontText" : "BackText").getString("Text"));
             // Note: as of 1.18.30, only one packet is sent from Bedrock when the sign is finished.
             // Previous versions did not have this behavior.
             StringBuilder newMessage = new StringBuilder();
@@ -68,13 +63,10 @@ public class BedrockBlockEntityDataTranslator extends PacketTranslator<BlockEnti
             for (char character : text.toCharArray()) {
                 widthCount += SignUtils.getCharacterWidth(character);
 
-                // todo 1.20: update for hanging signs (smaller width). Currently bedrock thinks hanging signs are normal,
-                // so it thinks hanging signs have more width than they actually do. Seems like JE just truncates it.
-
                 // If we get a return in Bedrock, or go over the character width max, that signals to use the next line.
-                if (character == '\n' || widthCount > SignUtils.JAVA_CHARACTER_WIDTH_MAX) {
+                if (character == '\n' || widthCount > widthMax) {
                     // We need to apply some more logic if we went over the character width max
-                    boolean wentOverMax = widthCount > SignUtils.JAVA_CHARACTER_WIDTH_MAX && character != '\n';
+                    boolean wentOverMax = widthCount > widthMax && character != '\n';
                     widthCount = 0;
                     // Saves if we're moving a word to the next line
                     String word = null;
@@ -115,7 +107,7 @@ public class BedrockBlockEntityDataTranslator extends PacketTranslator<BlockEnti
             // Put the final line on since it isn't done in the for loop
             if (iterator < lines.length) lines[iterator] = newMessage.toString();
             Vector3i pos = Vector3i.from(tag.getInt("x"), tag.getInt("y"), tag.getInt("z"));
-            ServerboundSignUpdatePacket signUpdatePacket = new ServerboundSignUpdatePacket(pos, lines);
+            ServerboundSignUpdatePacket signUpdatePacket = new ServerboundSignUpdatePacket(pos, lines, session.getWorldCache().isEditingSignOnFront());
             session.sendDownstreamPacket(signUpdatePacket);
 
         } else if (id.equals("JigsawBlock")) {

core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/BedrockBookEditTranslator.java

@@ -33,12 +33,12 @@ import com.github.steveice10.opennbt.tag.builtin.StringTag;
 import com.github.steveice10.opennbt.tag.builtin.Tag;
 import org.cloudburstmc.protocol.bedrock.packet.BookEditPacket;
 import org.geysermc.geyser.inventory.GeyserItemStack;
+import org.geysermc.geyser.item.type.WrittenBookItem;
 import org.geysermc.geyser.session.GeyserSession;
 import org.geysermc.geyser.translator.protocol.PacketTranslator;
 import org.geysermc.geyser.translator.protocol.Translator;
 import org.geysermc.geyser.translator.text.MessageTranslator;
 
-import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.LinkedList;
@@ -46,12 +46,10 @@ import java.util.List;
 
 @Translator(packet = BookEditPacket.class)
 public class BedrockBookEditTranslator extends PacketTranslator<BookEditPacket> {
-    private static final int MAXIMUM_PAGE_LENGTH = 8192 * 4;
-    private static final int MAXIMUM_TITLE_LENGTH = 128 * 4;
 
     @Override
     public void translate(GeyserSession session, BookEditPacket packet) {
-        if (packet.getText() != null && !packet.getText().isEmpty() && packet.getText().getBytes(StandardCharsets.UTF_8).length > MAXIMUM_PAGE_LENGTH) {
+        if (packet.getText() != null && !packet.getText().isEmpty() && packet.getText().length() > WrittenBookItem.MAXIMUM_PAGE_EDIT_LENGTH) {
             session.getGeyser().getLogger().warning("Page length greater than server allowed!");
             return;
         }
@@ -63,6 +61,10 @@ public class BedrockBookEditTranslator extends PacketTranslator<BookEditPacket>
             List<Tag> pages = tag.contains("pages") ? new LinkedList<>(((ListTag) tag.get("pages")).getValue()) : new LinkedList<>();
 
             int page = packet.getPageNumber();
+            if (page < 0 || WrittenBookItem.MAXIMUM_PAGE_COUNT <= page) {
+                session.getGeyser().getLogger().warning("Edited page is out of acceptable bounds!");
+                return;
+            }
             switch (packet.getAction()) {
                 case ADD_PAGE: {
                     // Add empty pages in between
@@ -129,7 +131,7 @@ public class BedrockBookEditTranslator extends PacketTranslator<BookEditPacket>
             if (packet.getAction() == BookEditPacket.Action.SIGN_BOOK) {
                 // Add title to packet so the server knows we're signing
                 title = MessageTranslator.convertToPlainText(packet.getTitle());
-                if (title.getBytes(StandardCharsets.UTF_8).length > MAXIMUM_TITLE_LENGTH) {
+                if (title.length() > WrittenBookItem.MAXIMUM_TITLE_LENGTH) {
                     session.getGeyser().getLogger().warning("Book title larger than server allows!");
                     return;
                 }

core/src/main/java/org/geysermc/geyser/translator/protocol/bedrock/BedrockCommandRequestTranslator.java

@@ -26,10 +26,9 @@
 package org.geysermc.geyser.translator.protocol.bedrock;
 
 import org.cloudburstmc.protocol.bedrock.packet.CommandRequestPacket;
-import org.geysermc.common.PlatformType;
+import org.geysermc.geyser.api.util.PlatformType;
 import org.geysermc.geyser.GeyserImpl;
 import org.geysermc.geyser.session.GeyserSession;
-import org.geysermc.geyser.text.ChatColor;
 import org.geysermc.geyser.translator.protocol.PacketTranslator;
 import org.geysermc.geyser.translator.protocol.Translator;
 import org.geysermc.geyser.translator.text.MessageTranslator;
@@ -46,7 +45,9 @@ public class BedrockCommandRequestTranslator extends PacketTranslator<CommandReq
                 return;
             }
 
-            session.sendCommand(command.substring(1));
+            // running commands via Bedrock's command select menu adds a trailing whitespace which Java doesn't like
+            // https://github.com/GeyserMC/Geyser/issues/3877
+            session.sendCommand(command.substring(1).stripTrailing());
         }
     }
 }