fix: suppress map cursor paper exception

support MC 1.21.1

.github/workflows/ci.yml

@@ -41,4 +41,24 @@ jobs:
         id: fetch-version
       - name: Get Version
         run: |
-          echo "version_name=${{steps.fetch-version.outputs.VERSION_NAME}}" >> $GITHUB_ENV
+          echo "version_name=${{steps.fetch-version.outputs.VERSION_NAME}}" >> $GITHUB_ENV
+      - name: 'Publish to William278.net 🚀'
+        uses: WiIIiam278/bones-publish-action@v1
+        with:
+          api-key: ${{ secrets.BONES_API_KEY }}
+          project: 'husksync'
+          channel: 'alpha'
+          version: ${{ env.version_name }}
+          changelog: ${{ github.event.head_commit.message }}
+          distro-names: |
+            paper
+            fabric-1.20.1
+          distro-groups: |
+            paper
+            fabric
+          distro-descriptions: |
+            Paper
+            Fabric 1.20.1
+          files: |
+            target/HuskSync-Paper-${{ env.version_name }}.jar
+            target/HuskSync-Fabric-${{ env.version_name }}+mc.1.20.1.jar

.github/workflows/release.yml

@@ -30,4 +30,24 @@ jobs:
         uses: mikepenz/action-junit-report@v4
         if: success() || failure() # Continue on failure
         with:
-          report_paths: '**/build/test-results/test/TEST-*.xml'
+          report_paths: '**/build/test-results/test/TEST-*.xml'
+      - name: 'Publish to William278.net 🚀'
+        uses: WiIIiam278/bones-publish-action@v1
+        with:
+          api-key: ${{ secrets.BONES_API_KEY }}
+          project: 'husksync'
+          channel: 'release'
+          version: ${{ github.event.release.tag_name }}
+          changelog: ${{ github.event.release.body }}
+          distro-names: |
+            paper
+            fabric-1.20.1
+          distro-groups: |
+            paper
+            fabric
+          distro-descriptions: |
+            Paper
+            Fabric 1.20.1
+          files: |
+            target/HuskSync-Paper-${{ github.event.release.tag_name }}.jar
+            target/HuskSync-Fabric-${{ github.event.release.tag_name }}+mc.1.20.1.jar

README.md

@@ -5,7 +5,7 @@
         <img src="https://img.shields.io/github/actions/workflow/status/WiIIiam278/HuskSync/ci.yml?branch=master&logo=github"/>
     </a>
     <a href="https://repo.william278.net/#/releases/net/william278/husksync/">
-        <img src="https://repo.william278.net/api/badge/latest/releases/net/william278/husksync?color=00fb9a&name=Maven&prefix=v" />
+        <img src="https://repo.william278.net/api/badge/latest/releases/net/william278/husksync/husksync-common?color=00fb9a&name=Maven&prefix=v" />
     </a>
     <a href="https://discord.gg/tVYhJfyDWG">
         <img src="https://img.shields.io/discord/818135932103557162.svg?label=&logo=discord&logoColor=fff&color=7389D8&labelColor=6A7EC2" />

build.gradle

@@ -3,6 +3,7 @@ import org.apache.tools.ant.filters.ReplaceTokens
 plugins {
     id 'com.github.johnrengelman.shadow' version '8.1.1'
     id 'org.cadixdev.licenser' version '0.6.1' apply false
+    id 'fabric-loom' version '1.7-SNAPSHOT' apply false
     id 'org.ajoberstar.grgit' version '5.2.2'
     id 'maven-publish'
     id 'java'
@@ -69,6 +70,7 @@ allprojects {
     repositories {
         mavenLocal()
         mavenCentral()
+        maven { url 'https://repo.william278.net/releases/' }
         maven { url 'https://oss.sonatype.org/content/repositories/snapshots' }
         maven { url 'https://hub.spigotmc.org/nexus/content/repositories/snapshots/' }
         maven { url "https://repo.dmulloy2.net/repository/public/" }
@@ -78,13 +80,12 @@ allprojects {
         maven { url 'https://jitpack.io' }
         maven { url 'https://mvn-repo.arim.space/lesser-gpl3/' }
         maven { url 'https://libraries.minecraft.net/' }
-        maven { url 'https://repo.william278.net/releases/' }
     }
 
     dependencies {
-        testImplementation 'org.junit.jupiter:junit-jupiter-api:5.10.2'
-        testImplementation 'org.junit.jupiter:junit-jupiter-params:5.10.2'
-        testImplementation 'org.junit.jupiter:junit-jupiter-engine:5.10.2'
+        testImplementation 'org.junit.jupiter:junit-jupiter-api:5.10.3'
+        testImplementation 'org.junit.jupiter:junit-jupiter-params:5.10.3'
+        testImplementation 'org.junit.jupiter:junit-jupiter-engine:5.10.3'
     }
 
     test {
@@ -98,14 +99,20 @@ allprojects {
     }
 
     processResources {
+        def tokenMap = rootProject.ext.properties
+        tokenMap.merge("grgit",'',(s, s2) -> s)
         filesMatching(['**/*.json', '**/*.yml']) {
             filter ReplaceTokens as Class, beginToken: '${', endToken: '}',
-                    tokens: rootProject.ext.properties
+                    tokens: tokenMap
         }
     }
 }
 
 subprojects {
+    if (['fabric'].contains(project.name)) {
+        apply plugin: 'fabric-loom'
+    }
+
     version rootProject.version
     archivesBaseName = "${rootProject.name}-${project.name.capitalize()}"
 
@@ -169,8 +176,8 @@ subprojects {
                     mavenJavaFabric(MavenPublication) {
                         groupId = 'net.william278.husksync'
                         artifactId = 'husksync-fabric'
-                        version = "$rootProject.version"
-                        artifact shadowJar
+                        version = "$rootProject.version+${fabric_minecraft_version}"
+                        artifact remapJar
                         artifact sourcesJar
                         artifact javadocJar
                     }

bukkit/build.gradle

@@ -1,21 +1,20 @@
 dependencies {
     implementation project(path: ':common')
 
-    implementation 'org.bstats:bstats-bukkit:3.0.2'
+    implementation 'net.william278.uniform:uniform-bukkit:1.2.1'
     implementation 'net.william278:mpdbdataconverter:1.0.1'
     implementation 'net.william278:hsldataconverter:1.0'
     implementation 'net.william278:mapdataapi:1.0.3'
-    implementation 'net.william278:andjam:1.0.2'
-    implementation 'me.lucko:commodore:2.2'
+    implementation 'org.bstats:bstats-bukkit:3.0.2'
     implementation 'net.kyori:adventure-platform-bukkit:4.3.3'
     implementation 'dev.triumphteam:triumph-gui:3.1.10'
     implementation 'space.arim.morepaperlib:morepaperlib:0.4.4'
-    implementation 'de.tr7zw:item-nbt-api:2.13.0'
+    implementation 'de.tr7zw:item-nbt-api:2.13.2'
 
     compileOnly 'org.spigotmc:spigot-api:1.17.1-R0.1-SNAPSHOT'
     compileOnly 'com.github.retrooper.packetevents:spigot:2.3.0'
     compileOnly 'com.comphenix.protocol:ProtocolLib:5.1.0'
-    compileOnly 'org.projectlombok:lombok:1.18.32'
+    compileOnly 'org.projectlombok:lombok:1.18.34'
     compileOnly 'commons-io:commons-io:2.16.1'
     compileOnly 'org.json:json:20240303'
     compileOnly 'net.william278:minedown:1.8.2'
@@ -25,7 +24,7 @@ dependencies {
     compileOnly 'net.william278:AdvancementAPI:97a9583413'
     compileOnly "redis.clients:jedis:$jedis_version"
 
-    annotationProcessor 'org.projectlombok:lombok:1.18.32'
+    annotationProcessor 'org.projectlombok:lombok:1.18.34'
 }
 
 shadowJar {
@@ -42,16 +41,15 @@ shadowJar {
     relocate 'org.intellij', 'net.william278.husksync.libraries'
     relocate 'com.zaxxer', 'net.william278.husksync.libraries'
     relocate 'de.exlll', 'net.william278.husksync.libraries'
+    relocate 'net.william278.uniform', 'net.william278.husksync.libraries.uniform'
     relocate 'net.william278.desertwell', 'net.william278.husksync.libraries.desertwell'
     relocate 'net.william278.paginedown', 'net.william278.husksync.libraries.paginedown'
     relocate 'net.william278.mapdataapi', 'net.william278.husksync.libraries.mapdataapi'
-    relocate 'net.william278.andjam', 'net.william278.husksync.libraries.andjam'
     relocate 'net.william278.mpdbconverter', 'net.william278.husksync.libraries.mpdbconverter'
     relocate 'net.william278.hslmigrator', 'net.william278.husksync.libraries.hslconverter'
     relocate 'org.json', 'net.william278.husksync.libraries.json'
     relocate 'net.querz', 'net.william278.husksync.libraries.nbtparser'
     relocate 'net.roxeez', 'net.william278.husksync.libraries'
-    relocate 'me.lucko.commodore', 'net.william278.husksync.libraries.commodore'
     relocate 'org.bstats', 'net.william278.husksync.libraries.bstats'
     relocate 'dev.triumphteam.gui', 'net.william278.husksync.libraries.triumphgui'
     relocate 'space.arim.morepaperlib', 'net.william278.husksync.libraries.paperlib'

bukkit/src/main/java/net/william278/husksync/BukkitHuskSync.java

@@ -34,7 +34,7 @@ import net.william278.husksync.adapter.DataAdapter;
 import net.william278.husksync.adapter.GsonAdapter;
 import net.william278.husksync.adapter.SnappyGsonAdapter;
 import net.william278.husksync.api.BukkitHuskSyncAPI;
-import net.william278.husksync.command.BukkitCommand;
+import net.william278.husksync.command.PluginCommand;
 import net.william278.husksync.config.Locales;
 import net.william278.husksync.config.Server;
 import net.william278.husksync.config.Settings;
@@ -57,6 +57,8 @@ import net.william278.husksync.util.BukkitLegacyConverter;
 import net.william278.husksync.util.BukkitMapPersister;
 import net.william278.husksync.util.BukkitTask;
 import net.william278.husksync.util.LegacyConverter;
+import net.william278.uniform.Uniform;
+import net.william278.uniform.bukkit.BukkitUniform;
 import org.bstats.bukkit.Metrics;
 import org.bukkit.entity.Player;
 import org.bukkit.map.MapView;
@@ -64,7 +66,6 @@ import org.bukkit.plugin.Plugin;
 import org.bukkit.plugin.java.JavaPlugin;
 import org.jetbrains.annotations.NotNull;
 import space.arim.morepaperlib.MorePaperLib;
-import space.arim.morepaperlib.commands.CommandRegistration;
 import space.arim.morepaperlib.scheduling.AsynchronousScheduler;
 import space.arim.morepaperlib.scheduling.AttachedScheduler;
 import space.arim.morepaperlib.scheduling.GracefulScheduling;
@@ -135,6 +136,10 @@ public class BukkitHuskSync extends JavaPlugin implements HuskSync, BukkitTask.S
     @Override
     public void onEnable() {
         this.audiences = BukkitAudiences.create(this);
+
+        // Register commands
+        initialize("commands", (plugin) -> getUniform().register(PluginCommand.Type.create(this)));
+
         // Prepare data adapter
         initialize("data adapter", (plugin) -> {
             if (settings.getSynchronization().isCompressData()) {
@@ -196,9 +201,6 @@ public class BukkitHuskSync extends JavaPlugin implements HuskSync, BukkitTask.S
         // Register events
         initialize("events", (plugin) -> eventListener.onEnable());
 
-        // Register commands
-        initialize("commands", (plugin) -> BukkitCommand.Type.registerCommands(this));
-
         // Register plugin hooks
         initialize("hooks", (plugin) -> {
             if (isDependencyLoaded("Plan") && getSettings().isEnablePlanHook()) {
@@ -264,6 +266,12 @@ public class BukkitHuskSync extends JavaPlugin implements HuskSync, BukkitTask.S
         this.dataSyncer = dataSyncer;
     }
 
+    @Override
+    @NotNull
+    public Uniform getUniform() {
+        return BukkitUniform.getInstance(this);
+    }
+
     @NotNull
     @Override
     public Map<Identifier, Data> getPlayerCustomDataStore(@NotNull OnlineUser user) {
@@ -282,7 +290,7 @@ public class BukkitHuskSync extends JavaPlugin implements HuskSync, BukkitTask.S
     @Override
     public boolean isDependencyLoaded(@NotNull String name) {
         final Plugin plugin = getServer().getPluginManager().getPlugin(name);
-        return plugin != null && plugin.isEnabled();
+        return plugin != null;
     }
 
     // Register bStats metrics
@@ -325,6 +333,12 @@ public class BukkitHuskSync extends JavaPlugin implements HuskSync, BukkitTask.S
         return PLATFORM_TYPE_ID;
     }
 
+    @Override
+    @NotNull
+    public String getServerVersion() {
+        return String.format("%s/%s", getServer().getName(), getServer().getVersion());
+    }
+
     @Override
     public Optional<LegacyConverter> getLegacyConverter() {
         return Optional.of(legacyConverter);
@@ -352,11 +366,6 @@ public class BukkitHuskSync extends JavaPlugin implements HuskSync, BukkitTask.S
         return getScheduler().entitySpecificScheduler(((BukkitUser) user).getPlayer());
     }
 
-    @NotNull
-    public CommandRegistration getCommandRegistrar() {
-        return paperLib.commandRegistration();
-    }
-
     @Override
     @NotNull
     public Path getConfigDirectory() {

bukkit/src/main/java/net/william278/husksync/api/BukkitHuskSyncAPI.java

@@ -62,7 +62,7 @@ public class BukkitHuskSyncAPI extends HuskSyncAPI {
     public static BukkitHuskSyncAPI getInstance() {
         if (!JavaPlugin.getProvidingPlugin(BukkitHuskSyncAPI.class).getName().equals("HuskSync")) {
             throw new NotRegisteredException("This is likely because you have shaded HuskSync into your plugin JAR " +
-                    "and need to fix your maven/gradle/build script so that it *compiles against* HuskSync instead.");
+                                             "and need to fix your maven/gradle/build script so that it *compiles against* HuskSync instead.");
         }
         if (instance == null) {
             throw new NotRegisteredException();

bukkit/src/main/java/net/william278/husksync/command/BrigadierUtil.java

@@ -1,60 +0,0 @@
-/*
- * This file is part of HuskSync, licensed under the Apache License 2.0.
- *
- *  Copyright (c) William278 <will27528@gmail.com>
- *  Copyright (c) contributors
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-
-package net.william278.husksync.command;
-
-import me.lucko.commodore.CommodoreProvider;
-import me.lucko.commodore.file.CommodoreFileReader;
-import net.william278.husksync.BukkitHuskSync;
-import org.jetbrains.annotations.NotNull;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.util.logging.Level;
-
-public class BrigadierUtil {
-
-    /**
-     * Uses commodore to register command completions.
-     *
-     * @param plugin        instance of the registering Bukkit plugin
-     * @param bukkitCommand the Bukkit PluginCommand to register completions for
-     * @param command       the {@link Command} to register completions for
-     */
-    protected static void registerCommodore(@NotNull BukkitHuskSync plugin,
-                                            @NotNull org.bukkit.command.Command bukkitCommand,
-                                            @NotNull Command command) {
-        final InputStream commodoreFile = plugin.getResource(
-                "commodore/" + bukkitCommand.getName() + ".commodore"
-        );
-        if (commodoreFile == null) {
-            return;
-        }
-        try {
-            CommodoreProvider.getCommodore(plugin).register(bukkitCommand,
-                    CommodoreFileReader.INSTANCE.parse(commodoreFile),
-                    player -> player.hasPermission(command.getPermission()));
-        } catch (IOException e) {
-            plugin.log(Level.SEVERE, String.format(
-                    "Failed to read command commodore completions for %s", bukkitCommand.getName()), e
-            );
-        }
-    }
-
-}

bukkit/src/main/java/net/william278/husksync/command/BukkitCommand.java

@@ -1,164 +0,0 @@
-/*
- * This file is part of HuskSync, licensed under the Apache License 2.0.
- *
- *  Copyright (c) William278 <will27528@gmail.com>
- *  Copyright (c) contributors
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-
-package net.william278.husksync.command;
-
-
-import me.lucko.commodore.CommodoreProvider;
-import net.william278.husksync.BukkitHuskSync;
-import net.william278.husksync.user.BukkitUser;
-import net.william278.husksync.user.CommandUser;
-import org.bukkit.command.CommandSender;
-import org.bukkit.entity.Player;
-import org.bukkit.permissions.Permission;
-import org.bukkit.permissions.PermissionDefault;
-import org.bukkit.plugin.PluginManager;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-import java.util.*;
-import java.util.function.Function;
-
-public class BukkitCommand extends org.bukkit.command.Command {
-
-    private final BukkitHuskSync plugin;
-    private final Command command;
-
-    public BukkitCommand(@NotNull Command command, @NotNull BukkitHuskSync plugin) {
-        super(command.getName(), command.getDescription(), command.getUsage(), command.getAliases());
-        this.command = command;
-        this.plugin = plugin;
-    }
-
-    @Override
-    public boolean execute(@NotNull CommandSender sender, @NotNull String commandLabel, @NotNull String[] args) {
-        this.command.onExecuted(sender instanceof Player p ? BukkitUser.adapt(p, plugin) : plugin.getConsole(), args);
-        return true;
-    }
-
-    @NotNull
-    @Override
-    public List<String> tabComplete(@NotNull CommandSender sender, @NotNull String alias,
-                                    @NotNull String[] args) throws IllegalArgumentException {
-        if (!(this.command instanceof TabProvider provider)) {
-            return List.of();
-        }
-        final CommandUser user = sender instanceof Player p ? BukkitUser.adapt(p, plugin) : plugin.getConsole();
-        if (getPermission() == null || user.hasPermission(getPermission())) {
-            return provider.getSuggestions(user, args);
-        }
-        return List.of();
-    }
-
-    public void register() {
-        // Register with bukkit
-        plugin.getCommandRegistrar().getServerCommandMap().register("husksync", this);
-
-        // Register permissions
-        BukkitCommand.addPermission(
-                plugin,
-                command.getPermission(),
-                command.getUsage(),
-                BukkitCommand.getPermissionDefault(command.isOperatorCommand())
-        );
-        final List<Permission> childNodes = command.getAdditionalPermissions()
-                .entrySet().stream()
-                .map((entry) -> BukkitCommand.addPermission(
-                        plugin,
-                        entry.getKey(),
-                        "",
-                        BukkitCommand.getPermissionDefault(entry.getValue()))
-                )
-                .filter(Objects::nonNull)
-                .toList();
-        if (!childNodes.isEmpty()) {
-            BukkitCommand.addPermission(
-                    plugin,
-                    command.getPermission("*"),
-                    command.getUsage(),
-                    PermissionDefault.FALSE,
-                    childNodes.toArray(new Permission[0])
-            );
-        }
-
-        // Register commodore TAB completion
-        if (CommodoreProvider.isSupported() && plugin.getSettings().isBrigadierTabCompletion()) {
-            BrigadierUtil.registerCommodore(plugin, this, command);
-        }
-    }
-
-    @Nullable
-    protected static Permission addPermission(@NotNull BukkitHuskSync plugin, @NotNull String node,
-                                              @NotNull String description, @NotNull PermissionDefault permissionDefault,
-                                              @NotNull Permission... children) {
-        final Map<String, Boolean> childNodes = Arrays.stream(children)
-                .map(Permission::getName)
-                .collect(HashMap::new, (map, child) -> map.put(child, true), HashMap::putAll);
-
-        final PluginManager manager = plugin.getServer().getPluginManager();
-        if (manager.getPermission(node) != null) {
-            return null;
-        }
-
-        Permission permission;
-        if (description.isEmpty()) {
-            permission = new Permission(node, permissionDefault, childNodes);
-        } else {
-            permission = new Permission(node, description, permissionDefault, childNodes);
-        }
-        manager.addPermission(permission);
-
-        return permission;
-    }
-
-    @NotNull
-    protected static PermissionDefault getPermissionDefault(boolean isOperatorCommand) {
-        return isOperatorCommand ? PermissionDefault.OP : PermissionDefault.TRUE;
-    }
-
-    /**
-     * Commands available on the Bukkit HuskSync implementation
-     */
-    public enum Type {
-
-        HUSKSYNC_COMMAND(HuskSyncCommand::new),
-        USERDATA_COMMAND(UserDataCommand::new),
-        INVENTORY_COMMAND(InventoryCommand::new),
-        ENDER_CHEST_COMMAND(EnderChestCommand::new);
-
-        public final Function<BukkitHuskSync, Command> commandSupplier;
-
-        Type(@NotNull Function<BukkitHuskSync, Command> supplier) {
-            this.commandSupplier = supplier;
-        }
-
-        @NotNull
-        public Command createCommand(@NotNull BukkitHuskSync plugin) {
-            return commandSupplier.apply(plugin);
-        }
-
-        public static void registerCommands(@NotNull BukkitHuskSync plugin) {
-            Arrays.stream(values())
-                    .map((type) -> type.createCommand(plugin))
-                    .forEach((command) -> new BukkitCommand(command, plugin).register());
-        }
-
-
-    }
-}

bukkit/src/main/java/net/william278/husksync/data/BukkitData.java

@@ -25,16 +25,15 @@ import com.google.gson.annotations.SerializedName;
 import de.tr7zw.changeme.nbtapi.NBTCompound;
 import de.tr7zw.changeme.nbtapi.NBTPersistentDataContainer;
 import lombok.*;
+import net.kyori.adventure.util.TriState;
 import net.william278.desertwell.util.ThrowingConsumer;
 import net.william278.desertwell.util.Version;
 import net.william278.husksync.BukkitHuskSync;
 import net.william278.husksync.HuskSync;
 import net.william278.husksync.adapter.Adaptable;
+import net.william278.husksync.config.Settings.SynchronizationSettings.AttributeSettings;
 import net.william278.husksync.user.BukkitUser;
-import org.bukkit.Bukkit;
-import org.bukkit.Material;
-import org.bukkit.Registry;
-import org.bukkit.Statistic;
+import org.bukkit.*;
 import org.bukkit.advancement.AdvancementProgress;
 import org.bukkit.attribute.AttributeInstance;
 import org.bukkit.attribute.AttributeModifier;
@@ -48,7 +47,9 @@ import org.bukkit.potion.PotionEffectType;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.annotations.Range;
+import org.jetbrains.annotations.Unmodifiable;
 
+import java.lang.reflect.Constructor;
 import java.util.*;
 import java.util.logging.Level;
 import java.util.stream.Collectors;
@@ -161,11 +162,15 @@ public abstract class BukkitData implements Data {
             }
 
             private void clearInventoryCraftingSlots(@NotNull Player player) {
-                final org.bukkit.inventory.Inventory inventory = player.getOpenInventory().getTopInventory();
-                if (inventory.getType() == InventoryType.CRAFTING) {
-                    for (int slot = 0; slot < 5; slot++) {
-                        inventory.setItem(slot, null);
+                try {
+                    final org.bukkit.inventory.Inventory inventory = player.getOpenInventory().getTopInventory();
+                    if (inventory.getType() == InventoryType.CRAFTING) {
+                        for (int slot = 0; slot < 5; slot++) {
+                            inventory.setItem(slot, null);
+                        }
                     }
+                } catch (Throwable e) {
+                    // Ignore any exceptions
                 }
             }
 
@@ -232,8 +237,9 @@ public abstract class BukkitData implements Data {
         private final Collection<PotionEffect> effects;
 
         @NotNull
-        public static BukkitData.PotionEffects from(@NotNull Collection<PotionEffect> effects) {
-            return new BukkitData.PotionEffects(effects);
+        public static BukkitData.PotionEffects from(@NotNull Collection<PotionEffect> sei) {
+            return new BukkitData.PotionEffects(Lists.newArrayList(sei.stream().filter(e -> !e.isAmbient()).toList()));
+
         }
 
         @NotNull
@@ -257,7 +263,7 @@ public abstract class BukkitData implements Data {
         @NotNull
         @SuppressWarnings("unused")
         public static BukkitData.PotionEffects empty() {
-            return new BukkitData.PotionEffects(List.of());
+            return new BukkitData.PotionEffects(Lists.newArrayList());
         }
 
         @Override
@@ -273,6 +279,7 @@ public abstract class BukkitData implements Data {
 
         @NotNull
         @Override
+        @Unmodifiable
         public List<Effect> getActiveEffects() {
             return effects.stream()
                     .map(potionEffect -> new Effect(
@@ -360,7 +367,7 @@ public abstract class BukkitData implements Data {
 
                 // Set player experience and level (prevent advancement awards applying twice), reset game rule
                 if (!toAward.isEmpty()
-                        && (player.getLevel() != expLevel || player.getExp() != expProgress)) {
+                    && (player.getLevel() != expLevel || player.getExp() != expProgress)) {
                     player.setLevel(expLevel);
                     player.setExp(expProgress);
                 }
@@ -561,19 +568,24 @@ public abstract class BukkitData implements Data {
     @NoArgsConstructor(access = AccessLevel.PRIVATE)
     public static class Attributes extends BukkitData implements Data.Attributes, Adaptable {
 
+        private static final String EQUIPMENT_SLOT_GROUP = "org.bukkit.inventory.EquipmentSlotGroup";
+        private static final String EQUIPMENT_SLOT_GROUP$ANY = "ANY";
+        private static final String EQUIPMENT_SLOT$getGroup = "getGroup";
+        private static TriState USE_KEYED_MODIFIERS = TriState.NOT_SET;
+
         private List<Attribute> attributes;
 
         @NotNull
         public static BukkitData.Attributes adapt(@NotNull Player player, @NotNull HuskSync plugin) {
             final List<Attribute> attributes = Lists.newArrayList();
+            final AttributeSettings settings = plugin.getSettings().getSynchronization().getAttributes();
             Registry.ATTRIBUTE.forEach(id -> {
                 final AttributeInstance instance = player.getAttribute(id);
-                if (instance == null || instance.getValue() == instance.getDefaultValue() || plugin
-                        .getSettings().getSynchronization().isIgnoredAttribute(id.getKey().toString())) {
-                    // We don't sync unmodified or disabled attributes
-                    return;
+                if (instance == null || Double.compare(instance.getValue(), instance.getDefaultValue()) == 0
+                    || settings.isIgnoredAttribute(id.getKey().toString())) {
+                    return; // We don't sync unmodified or disabled attributes
                 }
-                attributes.add(adapt(instance, plugin.getMinecraftVersion()));
+                attributes.add(adapt(instance, settings));
             });
             return new BukkitData.Attributes(attributes);
         }
@@ -592,18 +604,20 @@ public abstract class BukkitData implements Data {
         }
 
         @NotNull
-        private static Attribute adapt(@NotNull AttributeInstance instance, @NotNull Version version) {
+        private static Attribute adapt(@NotNull AttributeInstance instance, @NotNull AttributeSettings settings) {
             return new Attribute(
                     instance.getAttribute().getKey().toString(),
                     instance.getBaseValue(),
-                    instance.getModifiers().stream().map(m -> adapt(m, version)).collect(Collectors.toSet())
+                    instance.getModifiers().stream()
+                            .filter(modifier -> !settings.isIgnoredModifier(modifier.getName()))
+                            .map(BukkitData.Attributes::adapt).collect(Collectors.toSet())
             );
         }
 
         @NotNull
-        private static Modifier adapt(@NotNull AttributeModifier modifier, @NotNull Version version) {
+        private static Modifier adapt(@NotNull AttributeModifier modifier) {
             return new Modifier(
-                    version.compareTo(Version.fromString("1.21")) >= 0 ? null : modifier.getUniqueId(),
+                    getModifierId(modifier),
                     modifier.getName(),
                     modifier.getAmount(),
                     modifier.getOperation().ordinal(),
@@ -611,28 +625,83 @@ public abstract class BukkitData implements Data {
             );
         }
 
-        @Override
-        public void apply(@NotNull BukkitUser user, @NotNull BukkitHuskSync plugin) throws IllegalStateException {
-            Registry.ATTRIBUTE.forEach(id -> applyAttribute(user.getPlayer().getAttribute(id), getAttribute(id).orElse(null)));
+        @Nullable
+        private static UUID getModifierId(@NotNull AttributeModifier modifier) {
+            try {
+                return modifier.getUniqueId();
+            } catch (Throwable e) {
+                return null;
+            }
         }
 
-        private static void applyAttribute(@Nullable AttributeInstance instance, @Nullable Attribute attribute) {
+        private static boolean useKeyedModifiers(@NotNull HuskSync plugin) {
+            if (USE_KEYED_MODIFIERS == TriState.NOT_SET) {
+                boolean is1_21 = plugin.getMinecraftVersion().compareTo(Version.fromString("1.21")) >= 0;
+                USE_KEYED_MODIFIERS = TriState.byBoolean(is1_21);
+                return is1_21;
+            }
+            return Boolean.TRUE.equals(USE_KEYED_MODIFIERS.toBoolean());
+        }
+
+        private static void applyAttribute(@Nullable AttributeInstance instance, @Nullable Attribute attribute,
+                                           @NotNull HuskSync plugin) {
             if (instance == null) {
                 return;
             }
             instance.setBaseValue(attribute == null ? instance.getDefaultValue() : attribute.baseValue());
             instance.getModifiers().forEach(instance::removeModifier);
             if (attribute != null) {
-                attribute.modifiers().forEach(modifier -> instance.addModifier(new AttributeModifier(
-                        modifier.uuid(),
-                        modifier.name(),
-                        modifier.amount(),
-                        AttributeModifier.Operation.values()[modifier.operationType()],
-                        modifier.equipmentSlot() != -1 ? EquipmentSlot.values()[modifier.equipmentSlot()] : null
-                )));
+                attribute.modifiers().stream()
+                        .filter(mod -> instance.getModifiers().stream().map(AttributeModifier::getName)
+                                .noneMatch(n -> n.equals(mod.name())))
+                        .distinct()
+                        .filter(mod -> useKeyedModifiers(plugin) == !mod.hasUuid())
+                        .forEach(mod -> instance.addModifier(adapt(mod, plugin)));
             }
         }
 
+        @SuppressWarnings("JavaReflectionMemberAccess")
+        @NotNull
+        private static AttributeModifier adapt(@NotNull Modifier modifier, @NotNull HuskSync plugin) {
+            final int slotId = modifier.equipmentSlot();
+            if (useKeyedModifiers(plugin)) {
+                try {
+                    // Reflexively create a modern keyed attribute modifier instance. Remove in favor of API long-term.
+                    final EquipmentSlot slot = slotId != -1 ? EquipmentSlot.values()[slotId] : null;
+                    final Class<?> slotGroup = Class.forName(EQUIPMENT_SLOT_GROUP);
+                    final String modifierName = modifier.name() == null ? modifier.uuid().toString() : modifier.name();
+                    final NamespacedKey modifierKey = Objects.requireNonNull(NamespacedKey.fromString(modifierName),
+                            "Modifier key returned null");
+                    final Constructor<AttributeModifier> constructor = AttributeModifier.class.getDeclaredConstructor(
+                            NamespacedKey.class, double.class, AttributeModifier.Operation.class, slotGroup);
+                    return constructor.newInstance(
+                            modifierKey,
+                            modifier.amount(),
+                            AttributeModifier.Operation.values()[modifier.operationType()],
+                            slot == null ? slotGroup.getField(EQUIPMENT_SLOT_GROUP$ANY).get(null)
+                                    : EquipmentSlot.class.getDeclaredMethod(EQUIPMENT_SLOT$getGroup).invoke(slot)
+                    );
+                } catch (Throwable e) {
+                    plugin.log(Level.WARNING, "Error reflectively creating keyed attribute modifier", e);
+                    USE_KEYED_MODIFIERS = TriState.FALSE;
+                }
+            }
+            return new AttributeModifier(
+                    modifier.uuid(),
+                    modifier.name(),
+                    modifier.amount(),
+                    AttributeModifier.Operation.values()[modifier.operationType()],
+                    slotId != -1 ? EquipmentSlot.values()[slotId] : null
+            );
+        }
+
+        @Override
+        public void apply(@NotNull BukkitUser user, @NotNull BukkitHuskSync plugin) throws IllegalStateException {
+            Registry.ATTRIBUTE.forEach(id -> applyAttribute(
+                    user.getPlayer().getAttribute(id), getAttribute(id).orElse(null), plugin
+            ));
+        }
+
     }
 
     @Getter
@@ -692,11 +761,12 @@ public abstract class BukkitData implements Data {
             }
 
             // Set health scale
+            double scale = healthScale <= 0 ? player.getMaxHealth() : healthScale;
             try {
-                player.setHealthScale(healthScale);
+                player.setHealthScale(scale);
                 player.setHealthScaled(isHealthScaled);
             } catch (Throwable e) {
-                plugin.log(Level.WARNING, "Error setting %s's health scale to %s".formatted(player.getName(), healthScale), e);
+                plugin.log(Level.WARNING, "Error setting %s's health scale to %s".formatted(player.getName(), scale), e);
             }
         }
 

bukkit/src/main/java/net/william278/husksync/data/BukkitSerializer.java

@@ -165,6 +165,7 @@ public class BukkitSerializer {
                 case "1.20", "1.20.1", "1.20.2" -> DataFixerUtil.VERSION1_20_2;
                 case "1.20.3", "1.20.4" -> DataFixerUtil.VERSION1_20_4;
                 case "1.20.5", "1.20.6" -> DataFixerUtil.VERSION1_20_5;
+                case "1.21" -> DataFixerUtil.VERSION1_21;
                 default -> DataFixerUtil.getCurrentVersion();
             };
         }

bukkit/src/main/java/net/william278/husksync/listener/BukkitPacketEventsLockedPacketListener.java

@@ -23,6 +23,7 @@ import com.github.retrooper.packetevents.PacketEvents;
 import com.github.retrooper.packetevents.event.PacketListenerAbstract;
 import com.github.retrooper.packetevents.event.PacketListenerPriority;
 import com.github.retrooper.packetevents.event.PacketReceiveEvent;
+import com.github.retrooper.packetevents.event.PacketSendEvent;
 import com.github.retrooper.packetevents.protocol.packettype.PacketType;
 import com.google.common.collect.Sets;
 import io.github.retrooper.packetevents.factory.spigot.SpigotPacketEventsBuilder;
@@ -78,7 +79,20 @@ public class BukkitPacketEventsLockedPacketListener extends BukkitLockedEventLis
 
         @Override
         public void onPacketReceive(PacketReceiveEvent event) {
-            if(!(event.getPacketType() instanceof PacketType.Play.Client client)) {
+            if (!(event.getPacketType() instanceof PacketType.Play.Client client)) {
+                return;
+            }
+            if (!CANCEL_PACKETS.contains(client)) {
+                return;
+            }
+            if (listener.cancelPlayerEvent(event.getUser().getUUID())) {
+                event.setCancelled(true);
+            }
+        }
+
+        @Override
+        public void onPacketSend(PacketSendEvent event) {
+            if (!(event.getPacketType() instanceof PacketType.Play.Client client)) {
                 return;
             }
             if (!CANCEL_PACKETS.contains(client)) {

bukkit/src/main/java/net/william278/husksync/migrator/LegacyMigrator.java

@@ -204,10 +204,10 @@ public class LegacyMigrator extends Migrator {
             }) {
                 plugin.log(Level.INFO, getHelpMenu());
                 plugin.log(Level.INFO, "Successfully set " + args[0] + " to " +
-                        obfuscateDataString(args[1]));
+                                       obfuscateDataString(args[1]));
             } else {
                 plugin.log(Level.INFO, "Invalid operation, could not set " + args[0] + " to " +
-                        obfuscateDataString(args[1]) + " (is it a valid option?)");
+                                       obfuscateDataString(args[1]) + " (is it a valid option?)");
             }
         } else {
             plugin.log(Level.INFO, getHelpMenu());

bukkit/src/main/java/net/william278/husksync/migrator/MpdbMigrator.java

@@ -201,10 +201,10 @@ public class MpdbMigrator extends Migrator {
             }) {
                 plugin.log(Level.INFO, getHelpMenu());
                 plugin.log(Level.INFO, "Successfully set " + args[0] + " to " +
-                        obfuscateDataString(args[1]));
+                                       obfuscateDataString(args[1]));
             } else {
                 plugin.log(Level.INFO, "Invalid operation, could not set " + args[0] + " to " +
-                        obfuscateDataString(args[1]) + " (is it a valid option?)");
+                                       obfuscateDataString(args[1]) + " (is it a valid option?)");
             }
         } else {
             plugin.log(Level.INFO, getHelpMenu());
@@ -255,7 +255,7 @@ public class MpdbMigrator extends Migrator {
                 If any of these are not correct, please correct them
                 using the command:
                 "husksync migrate mpdb set <parameter> <value>"
-                (e.g.: "husksync migrate mpdb set host 1.2.3.4")
+                (e.g.: "husksync migrate set mpdb host 1.2.3.4")
 
                 STEP 3] HuskSync will migrate data into the database
                 tables configures in the config.yml file of this
@@ -263,7 +263,7 @@ public class MpdbMigrator extends Migrator {
                 before proceeding.
 
                 STEP 4] To start the migration, please run:
-                "husksync migrate mpdb start"
+                "husksync migrate start mpdb"
                 
                 NOTE: This migrator currently WORKS WITH MPDB version
                 v4.9.2 and below!

bukkit/src/main/java/net/william278/husksync/user/BukkitUser.java

@@ -23,14 +23,10 @@ import de.themoep.minedown.adventure.MineDown;
 import dev.triumphteam.gui.builder.gui.StorageBuilder;
 import dev.triumphteam.gui.guis.Gui;
 import dev.triumphteam.gui.guis.StorageGui;
-import net.roxeez.advancement.display.FrameType;
-import net.william278.andjam.Toast;
-import net.william278.husksync.BukkitHuskSync;
 import net.william278.husksync.HuskSync;
 import net.william278.husksync.data.BukkitData;
 import net.william278.husksync.data.BukkitUserDataHolder;
 import net.william278.husksync.data.Data;
-import org.bukkit.Material;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
 import org.jetbrains.annotations.ApiStatus;
@@ -40,8 +36,6 @@ import java.util.Arrays;
 import java.util.function.Consumer;
 import java.util.logging.Level;
 
-import static net.william278.husksync.util.BukkitKeyedAdapter.matchMaterial;
-
 /**
  * Bukkit platform implementation of an {@link OnlineUser}
  */
@@ -68,20 +62,12 @@ public class BukkitUser extends OnlineUser implements BukkitUserDataHolder {
     }
 
     @Override
+    @Deprecated(since = "3.6.7")
     public void sendToast(@NotNull MineDown title, @NotNull MineDown description,
                           @NotNull String iconMaterial, @NotNull String backgroundType) {
-        try {
-            final Material material = matchMaterial(iconMaterial);
-            Toast.builder((BukkitHuskSync) plugin)
-                    .setTitle(title.toComponent())
-                    .setDescription(description.toComponent())
-                    .setIcon(material != null ? material : Material.BARRIER)
-                    .setFrameType(FrameType.valueOf(backgroundType))
-                    .build()
-                    .show(player);
-        } catch (Throwable e) {
-            plugin.log(Level.WARNING, "Failed to send toast to player " + player.getName(), e);
-        }
+        plugin.log(Level.WARNING, "Toast notifications are deprecated. " +
+                                  "Please change your notification display slot to CHAT, ACTION_BAR or NONE.");
+        this.sendActionBar(title);
     }
 
     @Override

bukkit/src/main/java/net/william278/husksync/util/BukkitMapPersister.java

@@ -31,8 +31,10 @@ import net.william278.mapdataapi.MapData;
 import org.bukkit.Bukkit;
 import org.bukkit.Material;
 import org.bukkit.World;
+import org.bukkit.block.ShulkerBox;
 import org.bukkit.entity.Player;
 import org.bukkit.inventory.ItemStack;
+import org.bukkit.inventory.meta.BlockStateMeta;
 import org.bukkit.inventory.meta.MapMeta;
 import org.bukkit.map.*;
 import org.jetbrains.annotations.ApiStatus;
@@ -94,6 +96,9 @@ public interface BukkitMapPersister {
             }
             if (item.getType() == Material.FILLED_MAP && item.hasItemMeta()) {
                 items[i] = function.apply(item);
+            } else if (item.getItemMeta() instanceof BlockStateMeta b && b.getBlockState() instanceof ShulkerBox box) {
+                forEachMap(box.getInventory().getContents(), function);
+                b.setBlockState(box);
             }
         }
         return items;
@@ -419,19 +424,23 @@ public interface BukkitMapPersister {
         @NotNull
         private MapData extractMapData() {
             final List<MapBanner> banners = Lists.newArrayList();
-            final String BANNER_PREFIX = "banner_";
-            for (int i = 0; i < getCursors().size(); i++) {
-                final MapCursor cursor = getCursors().getCursor(i);
-                final String type = cursor.getType().name().toLowerCase(Locale.ENGLISH);
-                if (type.startsWith(BANNER_PREFIX)) {
-                    banners.add(new MapBanner(
-                            type.replaceAll(BANNER_PREFIX, ""),
-                            cursor.getCaption() == null ? "" : cursor.getCaption(),
-                            cursor.getX(),
-                            mapView.getWorld() != null ? mapView.getWorld().getSeaLevel() : 128,
-                            cursor.getY()
-                    ));
+            try {
+                final String BANNER_PREFIX = "banner_";
+                for (int i = 0; i < getCursors().size(); i++) {
+                    final MapCursor cursor = getCursors().getCursor(i);
+                    final String type = cursor.getType().name().toLowerCase(Locale.ENGLISH);
+                    if (type.startsWith(BANNER_PREFIX)) {
+                        banners.add(new MapBanner(
+                                type.replaceAll(BANNER_PREFIX, ""),
+                                cursor.getCaption() == null ? "" : cursor.getCaption(),
+                                cursor.getX(),
+                                mapView.getWorld() != null ? mapView.getWorld().getSeaLevel() : 128,
+                                cursor.getY()
+                        ));
+                    }
+
                 }
+            } catch (Throwable ignored) {
             }
             return MapData.fromPixels(pixels, getDimension(), (byte) 2, banners, List.of());
         }

bukkit/src/main/resources/commodore/enderchest.commodore

@@ -1,3 +0,0 @@
-inventory {
-  name brigadier:string single_word;
-}

bukkit/src/main/resources/commodore/husksync.commodore

@@ -1,6 +0,0 @@
-husksync {
-  update;
-  about;
-  status;
-  reload;
-}

bukkit/src/main/resources/commodore/inventory.commodore

@@ -1,3 +0,0 @@
-enderchest {
-  name brigadier:string single_word;
-}

bukkit/src/main/resources/commodore/userdata.commodore

@@ -1,35 +0,0 @@
-userdata {
-  view {
-    name brigadier:string single_word {
-      version brigadier:string single_word;
-    }
-  }
-  list {
-    name brigadier:string single_word {
-      page brigadier:integer;
-    }
-  }
-  delete {
-    name brigadier:string single_word {
-      version brigadier:string single_word;
-    }
-  }
-  restore {
-    name brigadier:string single_word {
-      version brigadier:string single_word;
-    }
-  }
-  pin {
-    name brigadier:string single_word {
-      version brigadier:string single_word;
-    }
-  }
-  dump {
-    name brigadier:string single_word {
-      version brigadier:string single_word {
-        web;
-        file;
-      }
-    }
-  }
-}

common/build.gradle

@@ -16,7 +16,9 @@ dependencies {
         exclude module: 'slf4j-api'
     }
 
-    compileOnly 'org.projectlombok:lombok:1.18.32'
+    compileOnly 'net.william278.uniform:uniform-common:1.2.1'
+    compileOnly 'com.mojang:brigadier:1.1.8'
+    compileOnly 'org.projectlombok:lombok:1.18.34'
     compileOnly 'org.jetbrains:annotations:24.1.0'
     compileOnly 'net.kyori:adventure-api:4.17.0'
     compileOnly 'net.kyori:adventure-platform-api:4.3.3'
@@ -36,5 +38,5 @@ dependencies {
     testCompileOnly 'de.exlll:configlib-yaml:4.5.0'
     testCompileOnly 'org.jetbrains:annotations:24.1.0'
 
-    annotationProcessor 'org.projectlombok:lombok:1.18.32'
+    annotationProcessor 'org.projectlombok:lombok:1.18.34'
 }

common/src/main/java/net/william278/husksync/HuskSync.java

@@ -41,6 +41,7 @@ import net.william278.husksync.user.ConsoleUser;
 import net.william278.husksync.user.OnlineUser;
 import net.william278.husksync.util.LegacyConverter;
 import net.william278.husksync.util.Task;
+import net.william278.uniform.Uniform;
 import org.jetbrains.annotations.NotNull;
 
 import java.io.InputStream;
@@ -111,6 +112,14 @@ public interface HuskSync extends Task.Supplier, EventDispatcher, ConfigProvider
      */
     void setDataSyncer(@NotNull DataSyncer dataSyncer);
 
+    /**
+     * Get the uniform command provider
+     *
+     * @return the command provider
+     */
+    @NotNull
+    Uniform getUniform();
+
     /**
      * Returns a list of available data {@link Migrator}s
      *
@@ -246,6 +255,14 @@ public interface HuskSync extends Task.Supplier, EventDispatcher, ConfigProvider
     @NotNull
     String getPlatformType();
 
+    /**
+     * Returns the server software version
+     *
+     * @return the server software version string
+     */
+    @NotNull
+    String getServerVersion();
+
     /**
      * Returns the legacy data converter if it exists
      *

common/src/main/java/net/william278/husksync/command/Command.java

@@ -1,94 +0,0 @@
-/*
- * This file is part of HuskSync, licensed under the Apache License 2.0.
- *
- *  Copyright (c) William278 <will27528@gmail.com>
- *  Copyright (c) contributors
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-
-package net.william278.husksync.command;
-
-import com.google.common.collect.Maps;
-import net.william278.husksync.HuskSync;
-import net.william278.husksync.user.CommandUser;
-import org.jetbrains.annotations.NotNull;
-
-import java.util.List;
-import java.util.Map;
-
-public abstract class Command extends Node {
-
-    private final String usage;
-    private final Map<String, Boolean> additionalPermissions;
-
-    protected Command(@NotNull String name, @NotNull List<String> aliases, @NotNull String usage,
-                      @NotNull HuskSync plugin) {
-        super(name, aliases, plugin);
-        this.usage = usage;
-        this.additionalPermissions = Maps.newHashMap();
-    }
-
-    @Override
-    public final void onExecuted(@NotNull CommandUser executor, @NotNull String[] args) {
-        if (!executor.hasPermission(getPermission())) {
-            plugin.getLocales().getLocale("error_no_permission")
-                    .ifPresent(executor::sendMessage);
-            return;
-        }
-        plugin.runAsync(() -> this.execute(executor, args));
-    }
-
-    public abstract void execute(@NotNull CommandUser executor, @NotNull String[] args);
-
-    @NotNull
-    protected String[] removeFirstArg(@NotNull String[] args) {
-        if (args.length <= 1) {
-            return new String[0];
-        }
-        String[] newArgs = new String[args.length - 1];
-        System.arraycopy(args, 1, newArgs, 0, args.length - 1);
-        return newArgs;
-    }
-
-    @NotNull
-    public final String getRawUsage() {
-        return usage;
-    }
-
-    @NotNull
-    public final String getUsage() {
-        return "/" + getName() + " " + getRawUsage();
-    }
-
-    public final void addAdditionalPermissions(@NotNull Map<String, Boolean> permissions) {
-        permissions.forEach((permission, value) -> this.additionalPermissions.put(getPermission(permission), value));
-    }
-
-    @NotNull
-    public final Map<String, Boolean> getAdditionalPermissions() {
-        return additionalPermissions;
-    }
-
-    @NotNull
-    public String getDescription() {
-        return plugin.getLocales().getRawLocale(getName() + "_command_description")
-                .orElse(getUsage());
-    }
-
-    @NotNull
-    public final HuskSync getPlugin() {
-        return plugin;
-    }
-
-}

common/src/main/java/net/william278/husksync/command/EnderChestCommand.java

@@ -37,7 +37,7 @@ import java.util.Optional;
 public class EnderChestCommand extends ItemsCommand {
 
     public EnderChestCommand(@NotNull HuskSync plugin) {
-        super(plugin, List.of("enderchest", "echest", "openechest"));
+        super("enderchest", List.of("echest", "openechest"), plugin);
     }
 
     @Override

common/src/main/java/net/william278/husksync/command/HuskSyncCommand.java

@@ -19,6 +19,8 @@
 
 package net.william278.husksync.command;
 
+import com.mojang.brigadier.context.CommandContext;
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
 import de.themoep.minedown.adventure.MineDown;
 import net.kyori.adventure.text.Component;
 import net.kyori.adventure.text.JoinConfiguration;
@@ -31,33 +33,26 @@ import net.william278.husksync.HuskSync;
 import net.william278.husksync.database.Database;
 import net.william278.husksync.migrator.Migrator;
 import net.william278.husksync.user.CommandUser;
-import net.william278.husksync.user.OnlineUser;
+import net.william278.uniform.BaseCommand;
+import net.william278.uniform.CommandProvider;
+import net.william278.uniform.Permission;
+import net.william278.uniform.element.ArgumentElement;
 import org.apache.commons.text.WordUtils;
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 
-import java.util.*;
+import java.util.Arrays;
+import java.util.List;
 import java.util.function.Function;
 import java.util.logging.Level;
 import java.util.stream.Collectors;
 
-public class HuskSyncCommand extends Command implements TabProvider {
-
-    private static final Map<String, Boolean> SUB_COMMANDS = Map.of(
-            "about", false,
-            "status", true,
-            "reload", true,
-            "migrate", true,
-            "update", true
-    );
+public class HuskSyncCommand extends PluginCommand {
 
     private final UpdateChecker updateChecker;
     private final AboutMenu aboutMenu;
 
     public HuskSyncCommand(@NotNull HuskSync plugin) {
-        super("husksync", List.of(), "[" + String.join("|", SUB_COMMANDS.keySet()) + "]", plugin);
-        addAdditionalPermissions(SUB_COMMANDS);
-
+        super("husksync", List.of(), Permission.Default.TRUE, ExecutionScope.ALL, plugin);
         this.updateChecker = plugin.getUpdateChecker();
         this.aboutMenu = AboutMenu.builder()
                 .title(Component.text("HuskSync"))
@@ -95,136 +90,137 @@ public class HuskSyncCommand extends Command implements TabProvider {
     }
 
     @Override
-    public void execute(@NotNull CommandUser executor, @NotNull String[] args) {
-        final String subCommand = parseStringArg(args, 0).orElse("about").toLowerCase(Locale.ENGLISH);
-        if (SUB_COMMANDS.containsKey(subCommand) && !executor.hasPermission(getPermission(subCommand))) {
-            plugin.getLocales().getLocale("error_no_permission")
-                    .ifPresent(executor::sendMessage);
-            return;
-        }
-
-        switch (subCommand) {
-            case "about" -> executor.sendMessage(aboutMenu.toComponent());
-            case "status" -> {
-                getPlugin().getLocales().getLocale("system_status_header").ifPresent(executor::sendMessage);
-                executor.sendMessage(Component.join(
-                        JoinConfiguration.newlines(),
-                        Arrays.stream(StatusLine.values()).map(s -> s.get(plugin)).toList()
-                ));
-            }
-            case "reload" -> {
-                try {
-                    plugin.loadSettings();
-                    plugin.loadLocales();
-                    plugin.loadServer();
-                    plugin.getLocales().getLocale("reload_complete").ifPresent(executor::sendMessage);
-                } catch (Throwable e) {
-                    executor.sendMessage(new MineDown(
-                            "[Error:](#ff3300) [Failed to reload the plugin. Check console for errors.](#ff7e5e)"
-                    ));
-                    plugin.log(Level.SEVERE, "Failed to reload the plugin", e);
-                }
-            }
-            case "migrate" -> {
-                if (executor instanceof OnlineUser) {
-                    plugin.getLocales().getLocale("error_console_command_only")
-                            .ifPresent(executor::sendMessage);
-                    return;
-                }
-                this.handleMigrationCommand(args);
-            }
-            case "update" -> updateChecker.check().thenAccept(checked -> {
-                if (checked.isUpToDate()) {
-                    plugin.getLocales().getLocale("up_to_date", plugin.getPluginVersion().toString())
-                            .ifPresent(executor::sendMessage);
-                    return;
-                }
-                plugin.getLocales().getLocale("update_available", checked.getLatestVersion().toString(),
-                        plugin.getPluginVersion().toString()).ifPresent(executor::sendMessage);
-            });
-            default -> plugin.getLocales().getLocale("error_invalid_syntax", getUsage())
-                    .ifPresent(executor::sendMessage);
-        }
+    public void provide(@NotNull BaseCommand<?> command) {
+        command.setDefaultExecutor((ctx) -> about(command, ctx));
+        command.addSubCommand("about", (sub) -> sub.setDefaultExecutor((ctx) -> about(command, ctx)));
+        command.addSubCommand("status", needsOp("status"), status());
+        command.addSubCommand("reload", needsOp("reload"), reload());
+        command.addSubCommand("update", needsOp("update"), update());
+        command.addSubCommand("migrate", migrate());
     }
 
-    // Handle a migration console command input
-    private void handleMigrationCommand(@NotNull String[] args) {
-        if (args.length < 2) {
-            plugin.log(Level.INFO,
-                    "Please choose a migrator, then run \"husksync migrate <migrator>\"");
-            this.logMigratorList();
-            return;
-        }
+    private void about(@NotNull BaseCommand<?> c, @NotNull CommandContext<?> ctx) {
+        user(c, ctx).getAudience().sendMessage(aboutMenu.toComponent());
+    }
 
-        final Optional<Migrator> selectedMigrator = plugin.getAvailableMigrators().stream()
-                .filter(available -> available.getIdentifier().equalsIgnoreCase(args[1]))
-                .findFirst();
-        selectedMigrator.ifPresentOrElse(migrator -> {
-            if (args.length < 3) {
-                plugin.log(Level.INFO, migrator.getHelpMenu());
+    @NotNull
+    private CommandProvider status() {
+        return (sub) -> sub.setDefaultExecutor((ctx) -> {
+            final CommandUser user = user(sub, ctx);
+            plugin.getLocales().getLocale("system_status_header").ifPresent(user::sendMessage);
+            user.sendMessage(Component.join(
+                    JoinConfiguration.newlines(),
+                    Arrays.stream(StatusLine.values()).map(s -> s.get(plugin)).toList()
+            ));
+        });
+    }
+
+    @NotNull
+    private CommandProvider reload() {
+        return (sub) -> sub.setDefaultExecutor((ctx) -> {
+            final CommandUser user = user(sub, ctx);
+            try {
+                plugin.loadSettings();
+                plugin.loadLocales();
+                plugin.loadServer();
+                plugin.getLocales().getLocale("reload_complete").ifPresent(user::sendMessage);
+            } catch (Throwable e) {
+                user.sendMessage(new MineDown(
+                        "[Error:](#ff3300) [Failed to reload the plugin. Check console for errors.](#ff7e5e)"
+                ));
+                plugin.log(Level.SEVERE, "Failed to reload the plugin", e);
+            }
+        });
+    }
+
+    @NotNull
+    private CommandProvider update() {
+        return (sub) -> sub.setDefaultExecutor((ctx) -> updateChecker.check().thenAccept(checked -> {
+            final CommandUser user = user(sub, ctx);
+            if (checked.isUpToDate()) {
+                plugin.getLocales().getLocale("up_to_date", plugin.getPluginVersion().toString())
+                        .ifPresent(user::sendMessage);
                 return;
             }
-            switch (args[2]) {
-                case "start" -> migrator.start().thenAccept(succeeded -> {
+            plugin.getLocales().getLocale("update_available", checked.getLatestVersion().toString(),
+                    plugin.getPluginVersion().toString()).ifPresent(user::sendMessage);
+        }));
+    }
+
+    @NotNull
+    private CommandProvider migrate() {
+        return (sub) -> {
+            sub.setCondition((ctx) -> sub.getUser(ctx).isConsole());
+            sub.setDefaultExecutor((ctx) -> {
+                plugin.log(Level.INFO, "Please choose a migrator, then run \"husksync migrate start <migrator>\"");
+                plugin.log(Level.INFO, String.format(
+                        "List of available migrators:\nMigrator ID / Migrator Name:\n%s",
+                        plugin.getAvailableMigrators().stream()
+                                .map(migrator -> String.format("%s - %s", migrator.getIdentifier(), migrator.getName()))
+                                .collect(Collectors.joining("\n"))
+                ));
+            });
+            sub.addSubCommand("help", (help) -> help.addSyntax((cmd) -> {
+                final Migrator migrator = cmd.getArgument("migrator", Migrator.class);
+                plugin.log(Level.INFO, migrator.getHelpMenu());
+            }, migrator()));
+            sub.addSubCommand("start", (start) -> start.addSyntax((cmd) -> {
+                final Migrator migrator = cmd.getArgument("migrator", Migrator.class);
+                migrator.start().thenAccept(succeeded -> {
                     if (succeeded) {
                         plugin.log(Level.INFO, "Migration completed successfully!");
                     } else {
                         plugin.log(Level.WARNING, "Migration failed!");
                     }
                 });
-                case "set" -> migrator.handleConfigurationCommand(Arrays.copyOfRange(args, 3, args.length));
-                default -> plugin.log(Level.INFO, String.format(
-                        "Invalid syntax. Console usage: \"husksync migrate %s <start/set>", args[1]
-                ));
-            }
-        }, () -> {
-            plugin.log(Level.INFO,
-                    "Please specify a valid migrator.\n" +
-                            "If a migrator is not available, please verify that you meet the prerequisites to use it.");
-            this.logMigratorList();
-        });
-    }
-
-    // Log the list of available migrators
-    private void logMigratorList() {
-        plugin.log(Level.INFO, String.format(
-                "List of available migrators:\nMigrator ID / Migrator Name:\n%s",
-                plugin.getAvailableMigrators().stream()
-                        .map(migrator -> String.format("%s - %s", migrator.getIdentifier(), migrator.getName()))
-                        .collect(Collectors.joining("\n"))
-        ));
-    }
-
-    @Nullable
-    @Override
-    public List<String> suggest(@NotNull CommandUser user, @NotNull String[] args) {
-        return switch (args.length) {
-            case 0, 1 -> SUB_COMMANDS.keySet().stream().sorted().toList();
-            default -> null;
+            }, migrator()));
+            sub.addSubCommand("set", (set) -> set.addSyntax((cmd) -> {
+                final Migrator migrator = cmd.getArgument("migrator", Migrator.class);
+                final String[] args = cmd.getArgument("args", String.class).split(" ");
+                migrator.handleConfigurationCommand(args);
+            }, migrator(), BaseCommand.greedyString("args")));
         };
     }
 
+    @NotNull
+    private <S> ArgumentElement<S, Migrator> migrator() {
+        return new ArgumentElement<>("migrator", reader -> {
+            final String id = reader.readString();
+            final Migrator migrator = plugin.getAvailableMigrators().stream()
+                    .filter(m -> m.getIdentifier().equalsIgnoreCase(id)).findFirst().orElse(null);
+            if (migrator == null) {
+                throw CommandSyntaxException.BUILT_IN_EXCEPTIONS.dispatcherUnknownArgument().createWithContext(reader);
+            }
+            return migrator;
+        }, (context, builder) -> {
+            for (Migrator material : plugin.getAvailableMigrators()) {
+                builder.suggest(material.getIdentifier());
+            }
+            return builder.buildFuture();
+        });
+    }
+
     private enum StatusLine {
         PLUGIN_VERSION(plugin -> Component.text("v" + plugin.getPluginVersion().toStringWithoutMetadata())
                 .appendSpace().append(plugin.getPluginVersion().getMetadata().isBlank() ? Component.empty()
                         : Component.text("(build " + plugin.getPluginVersion().getMetadata() + ")"))),
-        PLATFORM_TYPE(plugin -> Component.text(WordUtils.capitalizeFully(plugin.getPlatformType()))),
+        SERVER_VERSION(plugin -> Component.text(plugin.getServerVersion())),
         LANGUAGE(plugin -> Component.text(plugin.getSettings().getLanguage())),
         MINECRAFT_VERSION(plugin -> Component.text(plugin.getMinecraftVersion().toString())),
         JAVA_VERSION(plugin -> Component.text(System.getProperty("java.version"))),
         JAVA_VENDOR(plugin -> Component.text(System.getProperty("java.vendor"))),
+        SERVER_NAME(plugin -> Component.text(plugin.getServerName())),
+        CLUSTER_ID(plugin -> Component.text(plugin.getSettings().getClusterId().isBlank() ? "None" : plugin.getSettings().getClusterId())),
         SYNC_MODE(plugin -> Component.text(WordUtils.capitalizeFully(
                 plugin.getSettings().getSynchronization().getMode().toString()
         ))),
         DELAY_LATENCY(plugin -> Component.text(
                 plugin.getSettings().getSynchronization().getNetworkLatencyMilliseconds() + "ms"
         )),
-        SERVER_NAME(plugin -> Component.text(plugin.getServerName())),
-        CLUSTER_ID(plugin -> Component.text(plugin.getSettings().getClusterId().isBlank() ? "None" : plugin.getSettings().getClusterId())),
         DATABASE_TYPE(plugin ->
                 Component.text(plugin.getSettings().getDatabase().getType().getDisplayName() +
-                        (plugin.getSettings().getDatabase().getType() == Database.Type.MONGO ?
-                                (plugin.getSettings().getDatabase().getMongoSettings().isUsingAtlas() ? " Atlas" : "") : ""))
+                               (plugin.getSettings().getDatabase().getType() == Database.Type.MONGO ?
+                                       (plugin.getSettings().getDatabase().getMongoSettings().isUsingAtlas() ? " Atlas" : "") : ""))
         ),
         IS_DATABASE_LOCAL(plugin -> getLocalhostBoolean(plugin.getSettings().getDatabase().getCredentials().getHost())),
         USING_REDIS_SENTINEL(plugin -> getBoolean(
@@ -282,7 +278,7 @@ public class HuskSyncCommand extends Command implements TabProvider {
         @NotNull
         private static Component getLocalhostBoolean(@NotNull String value) {
             return getBoolean(value.equals("127.0.0.1") || value.equals("0.0.0.0")
-                    || value.equals("localhost") || value.equals("::1"));
+                              || value.equals("localhost") || value.equals("::1"));
         }
     }
 

common/src/main/java/net/william278/husksync/command/InventoryCommand.java

@@ -37,7 +37,7 @@ import java.util.Optional;
 public class InventoryCommand extends ItemsCommand {
 
     public InventoryCommand(@NotNull HuskSync plugin) {
-        super(plugin, List.of("inventory", "invsee", "openinv"));
+        super("inventory", List.of("invsee", "openinv"), plugin);
     }
 
     @Override

common/src/main/java/net/william278/husksync/command/ItemsCommand.java

@@ -24,47 +24,43 @@ import net.william278.husksync.data.DataSnapshot;
 import net.william278.husksync.user.CommandUser;
 import net.william278.husksync.user.OnlineUser;
 import net.william278.husksync.user.User;
+import net.william278.uniform.BaseCommand;
+import net.william278.uniform.Permission;
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 
 import java.util.List;
-import java.util.Map;
 import java.util.Optional;
 import java.util.UUID;
 
-public abstract class ItemsCommand extends Command implements TabProvider {
+public abstract class ItemsCommand extends PluginCommand {
 
-    protected ItemsCommand(@NotNull HuskSync plugin, @NotNull List<String> aliases) {
-        super(aliases.get(0), aliases.subList(1, aliases.size()), "<player> [version_uuid]", plugin);
-        setOperatorCommand(true);
-        addAdditionalPermissions(Map.of("edit", true));
+    protected ItemsCommand(@NotNull String name, @NotNull List<String> aliases, @NotNull HuskSync plugin) {
+        super(name, aliases, Permission.Default.IF_OP, ExecutionScope.IN_GAME, plugin);
     }
 
-
     @Override
-    public void execute(@NotNull CommandUser executor, @NotNull String[] args) {
-        if (!(executor instanceof OnlineUser player)) {
-            plugin.getLocales().getLocale("error_in_game_command_only")
-                    .ifPresent(executor::sendMessage);
-            return;
-        }
-
-        // Find the user to view the items for
-        final Optional<User> optionalUser = parseStringArg(args, 0)
-                .flatMap(name -> plugin.getDatabase().getUserByName(name));
-        if (optionalUser.isEmpty()) {
-            plugin.getLocales().getLocale(
-                    args.length >= 1 ? "error_invalid_player" : "error_invalid_syntax", getUsage()
-            ).ifPresent(player::sendMessage);
-            return;
-        }
-
-        // Show the user data
-        final User user = optionalUser.get();
-        parseUUIDArg(args, 1).ifPresentOrElse(
-                version -> this.showSnapshotItems(player, user, version),
-                () -> this.showLatestItems(player, user)
-        );
+    public void provide(@NotNull BaseCommand<?> command) {
+        command.addSyntax((ctx) -> {
+            final User user = ctx.getArgument("username", User.class);
+            final UUID version = ctx.getArgument("version", UUID.class);
+            final CommandUser executor = user(command, ctx);
+            if (!(executor instanceof OnlineUser online)) {
+                plugin.getLocales().getLocale("error_in_game_command_only")
+                        .ifPresent(executor::sendMessage);
+                return;
+            }
+            this.showSnapshotItems(online, user, version);
+        }, user("username"), uuid("version"));
+        command.addSyntax((ctx) -> {
+            final User user = ctx.getArgument("username", User.class);
+            final CommandUser executor = user(command, ctx);
+            if (!(executor instanceof OnlineUser online)) {
+                plugin.getLocales().getLocale("error_in_game_command_only")
+                        .ifPresent(executor::sendMessage);
+                return;
+            }
+            this.showLatestItems(online, user);
+        }, user("username"));
     }
 
     // View (and edit) the latest user data
@@ -114,12 +110,4 @@ public abstract class ItemsCommand extends Command implements TabProvider {
     protected abstract void showItems(@NotNull OnlineUser viewer, @NotNull DataSnapshot.Unpacked snapshot,
                                       @NotNull User user, boolean allowEdit);
 
-    @Nullable
-    @Override
-    public List<String> suggest(@NotNull CommandUser executor, @NotNull String[] args) {
-        return switch (args.length) {
-            case 0, 1 -> plugin.getOnlineUsers().stream().map(User::getUsername).toList();
-            default -> null;
-        };
-    }
 }

common/src/main/java/net/william278/husksync/command/Node.java

@@ -1,105 +0,0 @@
-/*
- * This file is part of HuskSync, licensed under the Apache License 2.0.
- *
- *  Copyright (c) William278 <will27528@gmail.com>
- *  Copyright (c) contributors
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-
-package net.william278.husksync.command;
-
-import net.william278.husksync.HuskSync;
-import org.jetbrains.annotations.NotNull;
-
-import java.util.List;
-import java.util.Optional;
-import java.util.StringJoiner;
-import java.util.UUID;
-
-public abstract class Node implements Executable {
-
-    protected static final String PERMISSION_PREFIX = "husksync.command";
-
-    protected final HuskSync plugin;
-    private final String name;
-    private final List<String> aliases;
-    private boolean operatorCommand = false;
-
-    protected Node(@NotNull String name, @NotNull List<String> aliases, @NotNull HuskSync plugin) {
-        if (name.isBlank()) {
-            throw new IllegalArgumentException("Command name cannot be blank");
-        }
-        this.name = name;
-        this.aliases = aliases;
-        this.plugin = plugin;
-    }
-
-    @NotNull
-    public String getName() {
-        return name;
-    }
-
-    @NotNull
-    public List<String> getAliases() {
-        return aliases;
-    }
-
-    @NotNull
-    public String getPermission(@NotNull String... child) {
-        final StringJoiner joiner = new StringJoiner(".")
-                .add(PERMISSION_PREFIX)
-                .add(getName());
-        for (final String node : child) {
-            joiner.add(node);
-        }
-        return joiner.toString().trim();
-    }
-
-    public boolean isOperatorCommand() {
-        return operatorCommand;
-    }
-
-    public void setOperatorCommand(boolean operatorCommand) {
-        this.operatorCommand = operatorCommand;
-    }
-
-    protected Optional<String> parseStringArg(@NotNull String[] args, int index) {
-        if (args.length > index) {
-            return Optional.of(args[index]);
-        }
-        return Optional.empty();
-    }
-
-    protected Optional<Integer> parseIntArg(@NotNull String[] args, int index) {
-        return parseStringArg(args, index).flatMap(arg -> {
-            try {
-                return Optional.of(Integer.parseInt(arg));
-            } catch (NumberFormatException e) {
-                return Optional.empty();
-            }
-        });
-    }
-
-    protected Optional<UUID> parseUUIDArg(@NotNull String[] args, int index) {
-        return parseStringArg(args, index).flatMap(arg -> {
-            try {
-                return Optional.of(UUID.fromString(arg));
-            } catch (IllegalArgumentException e) {
-                return Optional.empty();
-            }
-        });
-    }
-
-
-}

common/src/main/java/net/william278/husksync/command/PluginCommand.java

@@ -0,0 +1,129 @@
+/*
+ * This file is part of HuskSync, licensed under the Apache License 2.0.
+ *
+ *  Copyright (c) William278 <will27528@gmail.com>
+ *  Copyright (c) contributors
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package net.william278.husksync.command;
+
+import com.mojang.brigadier.context.CommandContext;
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
+import net.william278.husksync.HuskSync;
+import net.william278.husksync.user.CommandUser;
+import net.william278.husksync.user.User;
+import net.william278.uniform.BaseCommand;
+import net.william278.uniform.Command;
+import net.william278.uniform.Permission;
+import net.william278.uniform.element.ArgumentElement;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.UUID;
+import java.util.function.Function;
+
+public abstract class PluginCommand extends Command {
+
+    protected final HuskSync plugin;
+
+    protected PluginCommand(@NotNull String name, @NotNull List<String> aliases, @NotNull Permission.Default defPerm,
+                            @NotNull ExecutionScope scope, @NotNull HuskSync plugin) {
+        super(name, aliases, getDescription(plugin, name), new Permission(createPermission(name), defPerm), scope);
+        this.plugin = plugin;
+    }
+
+    private static String getDescription(@NotNull HuskSync plugin, @NotNull String name) {
+        return plugin.getLocales().getRawLocale("%s_command_description".formatted(name)).orElse("");
+    }
+
+    @NotNull
+    private static String createPermission(@NotNull String name, @NotNull String... sub) {
+        return "husksync.command." + name + (sub.length > 0 ? "." + String.join(".", sub) : "");
+    }
+
+    @NotNull
+    protected String getPermission(@NotNull String... sub) {
+        return createPermission(this.getName(), sub);
+    }
+
+    @NotNull
+    @SuppressWarnings("rawtypes")
+    protected CommandUser user(@NotNull BaseCommand base, @NotNull CommandContext context) {
+        return adapt(base.getUser(context.getSource()));
+    }
+
+    @NotNull
+    protected Permission needsOp(@NotNull String... nodes) {
+        return new Permission(getPermission(nodes), Permission.Default.IF_OP);
+    }
+
+    @NotNull
+    protected CommandUser adapt(net.william278.uniform.CommandUser user) {
+        return user.getUuid() == null ? plugin.getConsole() : plugin.getOnlineUser(user.getUuid()).orElseThrow();
+    }
+
+    @NotNull
+    protected <S> ArgumentElement<S, User> user(@NotNull String name) {
+        return new ArgumentElement<>(name, reader -> {
+            final String username = reader.readString();
+            return plugin.getDatabase().getUserByName(username).orElseThrow(
+                    () -> CommandSyntaxException.BUILT_IN_EXCEPTIONS.dispatcherUnknownArgument().createWithContext(reader)
+            );
+        }, (context, builder) -> {
+            plugin.getOnlineUsers().forEach(u -> builder.suggest(u.getUsername()));
+            return builder.buildFuture();
+        });
+    }
+
+    @NotNull
+    protected <S> ArgumentElement<S, UUID> uuid(@NotNull String name) {
+        return new ArgumentElement<>(name, reader -> {
+            try {
+                return UUID.fromString(reader.readString());
+            } catch (IllegalArgumentException e) {
+                throw CommandSyntaxException.BUILT_IN_EXCEPTIONS.dispatcherUnknownArgument().createWithContext(reader);
+            }
+        }, (context, builder) -> builder.buildFuture());
+    }
+
+    public enum Type {
+
+        HUSKSYNC_COMMAND(HuskSyncCommand::new),
+        USERDATA_COMMAND(UserDataCommand::new),
+        INVENTORY_COMMAND(InventoryCommand::new),
+        ENDER_CHEST_COMMAND(EnderChestCommand::new);
+
+        public final Function<HuskSync, PluginCommand> commandSupplier;
+
+        Type(@NotNull Function<HuskSync, PluginCommand> supplier) {
+            this.commandSupplier = supplier;
+        }
+
+        @NotNull
+        public PluginCommand supply(@NotNull HuskSync plugin) {
+            return commandSupplier.apply(plugin);
+        }
+
+        @NotNull
+        public static PluginCommand[] create(@NotNull HuskSync plugin) {
+            return Arrays.stream(values()).map(type -> type.supply(plugin))
+                    .filter(command -> !plugin.getSettings().isCommandDisabled(command))
+                    .toArray(PluginCommand[]::new);
+        }
+
+    }
+
+}

common/src/main/java/net/william278/husksync/command/TabProvider.java

@@ -1,50 +0,0 @@
-/*
- * This file is part of HuskSync, licensed under the Apache License 2.0.
- *
- *  Copyright (c) William278 <will27528@gmail.com>
- *  Copyright (c) contributors
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-
-package net.william278.husksync.command;
-
-import net.william278.husksync.user.CommandUser;
-import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
-
-import java.util.List;
-
-public interface TabProvider {
-
-    @Nullable
-    List<String> suggest(@NotNull CommandUser user, @NotNull String[] args);
-
-    @NotNull
-    default List<String> getSuggestions(@NotNull CommandUser user, @NotNull String[] args) {
-        List<String> suggestions = suggest(user, args);
-        if (suggestions == null) {
-            suggestions = List.of();
-        }
-        return filter(suggestions, args);
-    }
-
-    @NotNull
-    default List<String> filter(@NotNull List<String> suggestions, @NotNull String[] args) {
-        return suggestions.stream()
-                .filter(suggestion -> args.length == 0 || suggestion.toLowerCase()
-                        .startsWith(args[args.length - 1].toLowerCase().trim()))
-                .toList();
-    }
-
-}

common/src/main/java/net/william278/husksync/command/UserDataCommand.java

@@ -19,6 +19,7 @@
 
 package net.william278.husksync.command;
 
+import com.mojang.brigadier.exceptions.CommandSyntaxException;
 import net.william278.husksync.HuskSync;
 import net.william278.husksync.data.DataSnapshot;
 import net.william278.husksync.redis.RedisKeyType;
@@ -28,83 +29,32 @@ import net.william278.husksync.user.User;
 import net.william278.husksync.util.DataDumper;
 import net.william278.husksync.util.DataSnapshotList;
 import net.william278.husksync.util.DataSnapshotOverview;
+import net.william278.uniform.BaseCommand;
+import net.william278.uniform.CommandProvider;
+import net.william278.uniform.Permission;
+import net.william278.uniform.element.ArgumentElement;
 import org.jetbrains.annotations.NotNull;
-import org.jetbrains.annotations.Nullable;
 
-import java.util.*;
+import java.util.List;
+import java.util.Locale;
+import java.util.Optional;
+import java.util.UUID;
 import java.util.logging.Level;
 
-public class UserDataCommand extends Command implements TabProvider {
-
-    private static final Map<String, Boolean> SUB_COMMANDS = Map.of(
-            "view", false,
-            "list", false,
-            "delete", true,
-            "restore", true,
-            "pin", true,
-            "dump", true
-    );
+public class UserDataCommand extends PluginCommand {
 
     public UserDataCommand(@NotNull HuskSync plugin) {
-        super("userdata", List.of("playerdata"), String.format(
-                "<%s> [username] [version_uuid]", String.join("/", SUB_COMMANDS.keySet())
-        ), plugin);
-        setOperatorCommand(true);
-        addAdditionalPermissions(SUB_COMMANDS);
+        super("userdata", List.of("playerdata"), Permission.Default.IF_OP, ExecutionScope.ALL, plugin);
     }
 
     @Override
-    public void execute(@NotNull CommandUser executor, @NotNull String[] args) {
-        final String subCommand = parseStringArg(args, 0).orElse("view").toLowerCase(Locale.ENGLISH);
-        final Optional<User> optionalUser = parseStringArg(args, 1)
-                .flatMap(name -> plugin.getDatabase().getUserByName(name))
-                .or(() -> parseStringArg(args, 0).flatMap(name -> plugin.getDatabase().getUserByName(name)))
-                .or(() -> args.length < 2 && executor instanceof User userExecutor
-                        ? Optional.of(userExecutor) : Optional.empty());
-        final Optional<UUID> uuid = parseUUIDArg(args, 2).or(() -> parseUUIDArg(args, 1));
-        if (optionalUser.isEmpty()) {
-            plugin.getLocales().getLocale("error_invalid_player")
-                    .ifPresent(executor::sendMessage);
-            return;
-        }
-
-        final User user = optionalUser.get();
-        switch (subCommand) {
-            case "view" -> uuid.ifPresentOrElse(
-                    version -> viewSnapshot(executor, user, version),
-                    () -> viewLatestSnapshot(executor, user)
-            );
-            case "list" -> listSnapshots(
-                    executor, user, parseIntArg(args, 2).or(() -> parseIntArg(args, 1)).orElse(1)
-            );
-            case "delete" -> uuid.ifPresentOrElse(
-                    version -> deleteSnapshot(executor, user, version),
-                    () -> plugin.getLocales().getLocale("error_invalid_syntax",
-                                    "/userdata delete <username> <version_uuid>")
-                            .ifPresent(executor::sendMessage)
-            );
-            case "restore" -> uuid.ifPresentOrElse(
-                    version -> restoreSnapshot(executor, user, version),
-                    () -> plugin.getLocales().getLocale("error_invalid_syntax",
-                                    "/userdata restore <username> <version_uuid>")
-                            .ifPresent(executor::sendMessage)
-            );
-            case "pin" -> uuid.ifPresentOrElse(
-                    version -> pinSnapshot(executor, user, version),
-                    () -> plugin.getLocales().getLocale("error_invalid_syntax",
-                                    "/userdata pin <username> <version_uuid>")
-                            .ifPresent(executor::sendMessage)
-            );
-            case "dump" -> uuid.ifPresentOrElse(
-                    version -> dumpSnapshot(executor, user, version, parseStringArg(args, 3)
-                            .map(arg -> arg.equalsIgnoreCase("web")).orElse(false)),
-                    () -> plugin.getLocales().getLocale("error_invalid_syntax",
-                                    "/userdata dump <username> <version_uuid> <web/file>")
-                            .ifPresent(executor::sendMessage)
-            );
-            default -> plugin.getLocales().getLocale("error_invalid_syntax", getUsage())
-                    .ifPresent(executor::sendMessage);
-        }
+    public void provide(@NotNull BaseCommand<?> command) {
+        command.addSubCommand("view", needsOp("view"), view());
+        command.addSubCommand("list", needsOp("list"), list());
+        command.addSubCommand("delete", needsOp("delete"), delete());
+        command.addSubCommand("restore", needsOp("restore"), restore());
+        command.addSubCommand("pin", needsOp("pin"), pin());
+        command.addSubCommand("dump", needsOp("dump"), dump());
     }
 
     // Show the latest snapshot
@@ -224,7 +174,8 @@ public class UserDataCommand extends Command implements TabProvider {
     }
 
     // Dump a snapshot
-    private void dumpSnapshot(@NotNull CommandUser executor, @NotNull User user, @NotNull UUID version, boolean webDump) {
+    private void dumpSnapshot(@NotNull CommandUser executor, @NotNull User user, @NotNull UUID version,
+                              @NotNull DumpType type) {
         final Optional<DataSnapshot.Packed> data = plugin.getDatabase().getSnapshot(user, version);
         if (data.isEmpty()) {
             plugin.getLocales().getLocale("error_invalid_version_uuid")
@@ -237,22 +188,99 @@ public class UserDataCommand extends Command implements TabProvider {
         final DataDumper dumper = DataDumper.create(userData, user, plugin);
         try {
             plugin.getLocales().getLocale("data_dumped", userData.getShortId(), user.getUsername(),
-                    (webDump ? dumper.toWeb() : dumper.toFile())).ifPresent(executor::sendMessage);
+                            (type == DumpType.WEB ? dumper.toWeb() : dumper.toFile()))
+                    .ifPresent(executor::sendMessage);
         } catch (Throwable e) {
             plugin.log(Level.SEVERE, "Failed to dump user data", e);
         }
     }
 
-    @Nullable
-    @Override
-    public List<String> suggest(@NotNull CommandUser executor, @NotNull String[] args) {
-        return switch (args.length) {
-            case 0, 1 -> SUB_COMMANDS.keySet().stream().sorted().toList();
-            case 2 -> plugin.getOnlineUsers().stream().map(User::getUsername).toList();
-            case 4 -> parseStringArg(args, 0)
-                    .map(arg -> arg.equalsIgnoreCase("dump") ? List.of("web", "file") : null)
-                    .orElse(null);
-            default -> null;
+    @NotNull
+    private CommandProvider view() {
+        return (sub) -> {
+            sub.addSyntax((ctx) -> {
+                final User user = ctx.getArgument("username", User.class);
+                viewLatestSnapshot(user(sub, ctx), user);
+            }, user("username"));
+            sub.addSyntax((ctx) -> {
+                final User user = ctx.getArgument("username", User.class);
+                final UUID version = ctx.getArgument("version", UUID.class);
+                viewSnapshot(user(sub, ctx), user, version);
+            }, user("username"), uuid("version"));
         };
     }
+
+    @NotNull
+    private CommandProvider list() {
+        return (sub) -> {
+            sub.addSyntax((ctx) -> {
+                final User user = ctx.getArgument("username", User.class);
+                listSnapshots(user(sub, ctx), user, 1);
+            }, user("username"));
+            sub.addSyntax((ctx) -> {
+                final User user = ctx.getArgument("username", User.class);
+                final int page = ctx.getArgument("page", Integer.class);
+                listSnapshots(user(sub, ctx), user, page);
+            }, user("username"), BaseCommand.intNum("page", 1));
+        };
+    }
+
+    @NotNull
+    private CommandProvider delete() {
+        return (sub) -> sub.addSyntax((ctx) -> {
+            final User user = ctx.getArgument("username", User.class);
+            final UUID version = ctx.getArgument("version", UUID.class);
+            deleteSnapshot(user(sub, ctx), user, version);
+        }, user("username"), uuid("version"));
+    }
+
+    @NotNull
+    private CommandProvider restore() {
+        return (sub) -> sub.addSyntax((ctx) -> {
+            final User user = ctx.getArgument("username", User.class);
+            final UUID version = ctx.getArgument("version", UUID.class);
+            restoreSnapshot(user(sub, ctx), user, version);
+        }, user("username"), uuid("version"));
+    }
+
+    @NotNull
+    private CommandProvider pin() {
+        return (sub) -> sub.addSyntax((ctx) -> {
+            final User user = ctx.getArgument("username", User.class);
+            final UUID version = ctx.getArgument("version", UUID.class);
+            pinSnapshot(user(sub, ctx), user, version);
+        }, user("username"), uuid("version"));
+    }
+
+    @NotNull
+    private CommandProvider dump() {
+        return (sub) -> sub.addSyntax((ctx) -> {
+            final User user = ctx.getArgument("username", User.class);
+            final UUID version = ctx.getArgument("version", UUID.class);
+            final DumpType type = ctx.getArgument("type", DumpType.class);
+            dumpSnapshot(user(sub, ctx), user, version, type);
+        }, user("username"), uuid("version"), dumpType());
+    }
+
+    private <S> ArgumentElement<S, DumpType> dumpType() {
+        return new ArgumentElement<>("type", reader -> {
+            final String type = reader.readString();
+            return switch (type.toLowerCase(Locale.ENGLISH)) {
+                case "web" -> DumpType.WEB;
+                case "file" -> DumpType.FILE;
+                default -> throw CommandSyntaxException.BUILT_IN_EXCEPTIONS
+                        .dispatcherUnknownArgument().createWithContext(reader);
+            };
+        }, (context, builder) -> {
+            builder.suggest("web");
+            builder.suggest("file");
+            return builder.buildFuture();
+        });
+    }
+
+    enum DumpType {
+        WEB,
+        FILE
+    }
+
 }

common/src/main/java/net/william278/husksync/config/Locales.java

@@ -193,14 +193,20 @@ public class Locales {
          * Displays the notification in the action bar
          */
         ACTION_BAR,
+
         /**
          * Displays the notification in the chat
          */
         CHAT,
+
         /**
          * Displays the notification in an Advancement Toast
+         *
+         * @deprecated No longer supported
          */
+        @Deprecated(since = "3.6.7")
         TOAST,
+
         /**
          * Does not display the notification
          */

common/src/main/java/net/william278/husksync/config/Settings.java

@@ -25,6 +25,7 @@ import de.exlll.configlib.Configuration;
 import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
+import net.william278.husksync.command.PluginCommand;
 import net.william278.husksync.data.DataSnapshot;
 import net.william278.husksync.data.Identifier;
 import net.william278.husksync.database.Database;
@@ -63,21 +64,21 @@ public class Settings {
     private boolean checkForUpdates = true;
 
     @Comment("Specify a common ID for grouping servers running HuskSync. "
-            + "Don't modify this unless you know what you're doing!")
+             + "Don't modify this unless you know what you're doing!")
     private String clusterId = "";
 
     @Comment("Enable development debug logging")
     private boolean debugLogging = false;
 
-    @Comment("Whether to provide modern, rich TAB suggestions for commands (if available)")
-    private boolean brigadierTabCompletion = false;
-
     @Comment({"Whether to enable the Player Analytics hook.", "Docs: https://william278.net/docs/husksync/plan-hook"})
     private boolean enablePlanHook = true;
 
     @Comment("Whether to cancel game event packets directly when handling locked players if ProtocolLib or PacketEvents is installed")
     private boolean cancelPackets = true;
 
+    @Comment("Add HuskSync commands to this list to prevent them from being registered (e.g. ['userdata'])")
+    @Getter(AccessLevel.NONE)
+    private List<String> disabledCommands = Lists.newArrayList();
 
     // Database settings
     @Comment("Database settings")
@@ -185,7 +186,7 @@ public class Settings {
     }
 
     // Synchronization settings
-    @Comment("Redis settings")
+    @Comment("Data syncing settings")
     private SynchronizationSettings synchronization = new SynchronizationSettings();
 
     @Getter
@@ -228,7 +229,7 @@ public class Settings {
             private boolean enabled = false;
 
             @Comment("What items to save in death snapshots? (DROPS or ITEMS_TO_KEEP). "
-                    + "Note that ITEMS_TO_KEEP (suggested for keepInventory servers) requires a Paper 1.19.4+ server.")
+                     + "Note that ITEMS_TO_KEEP (suggested for keepInventory servers) requires a Paper 1.19.4+ server.")
             private DeathItemsMode itemsToSave = DeathItemsMode.DROPS;
 
             @Comment("Should a death snapshot still be created even if the items to save on the player's death are empty?")
@@ -249,14 +250,14 @@ public class Settings {
         @Comment("Whether to use the snappy data compression algorithm. Keep on unless you know what you're doing")
         private boolean compressData = true;
 
-        @Comment("Where to display sync notifications (ACTION_BAR, CHAT, TOAST or NONE)")
+        @Comment("Where to display sync notifications (ACTION_BAR, CHAT or NONE)")
         private Locales.NotificationSlot notificationDisplaySlot = Locales.NotificationSlot.ACTION_BAR;
 
         @Comment("Persist maps locked in a Cartography Table to let them be viewed on any server")
         private boolean persistLockedMaps = true;
 
         @Comment("If using the DELAY sync method, how long should this server listen for Redis key data updates before "
-                + "pulling data from the database instead (i.e., if the user did not change servers).")
+                 + "pulling data from the database instead (i.e., if the user did not change servers).")
         private int networkLatencyMilliseconds = 500;
 
         @Comment({"Which data types to synchronize.", "Docs: https://william278.net/docs/husksync/sync-features"})
@@ -266,10 +267,45 @@ public class Settings {
         @Comment("Commands which should be blocked before a player has finished syncing (Use * to block all commands)")
         private List<String> blacklistedCommandsWhileLocked = new ArrayList<>(List.of("*"));
 
-        @Comment({"For attribute syncing, which attributes should be ignored/skipped when syncing",
-                "(e.g. ['minecraft:generic.max_health', 'minecraft:generic.attack_damage'])"})
-        @Getter(AccessLevel.NONE)
-        private List<String> ignoredAttributes = new ArrayList<>(List.of(""));
+        @Comment("Configuration for how to sync attributes")
+        private AttributeSettings attributes = new AttributeSettings();
+
+        @Getter
+        @Configuration
+        @NoArgsConstructor(access = AccessLevel.PRIVATE)
+        public static class AttributeSettings {
+
+            @Comment({"Which attributes should not be saved when syncing users. Supports wildcard matching.",
+                    "(e.g. ['minecraft:generic.max_health', 'minecraft:generic.*'])"})
+            @Getter(AccessLevel.NONE)
+            private List<String> ignoredAttributes = new ArrayList<>(List.of(""));
+
+            @Comment({"Which modifiers should not be saved when syncing users. Supports wildcard matching.",
+                    "(e.g. ['minecraft:effect.speed', 'minecraft:effect.*'])"})
+            @Getter(AccessLevel.NONE)
+            private List<String> ignoredModifiers = new ArrayList<>(List.of(
+                    "minecraft:effect.*", "minecraft:creative_mode_*"
+            ));
+
+            private boolean matchesWildcard(@NotNull String pat, @NotNull String value) {
+                if (!pat.contains(":")) {
+                    pat = "minecraft:%s".formatted(pat);
+                }
+                if (!value.contains(":")) {
+                    value = "minecraft:%s".formatted(value);
+                }
+                return pat.contains("*") ? value.matches(pat.replace("*", ".*")) : pat.equals(value);
+            }
+
+            public boolean isIgnoredAttribute(@NotNull String attribute) {
+                return ignoredAttributes.stream().anyMatch(wildcard -> matchesWildcard(wildcard, attribute));
+            }
+
+            public boolean isIgnoredModifier(@NotNull String modifier) {
+                return ignoredModifiers.stream().anyMatch(wildcard -> matchesWildcard(wildcard, modifier));
+            }
+
+        }
 
         @Comment("Event priorities for listeners (HIGHEST, NORMAL, LOWEST). Change if you encounter plugin conflicts")
         @Getter(AccessLevel.NONE)
@@ -283,10 +319,6 @@ public class Settings {
             return id.isCustom() || features.getOrDefault(id.getKeyValue(), id.isEnabledByDefault());
         }
 
-        public boolean isIgnoredAttribute(@NotNull String attribute) {
-            return ignoredAttributes.contains(attribute);
-        }
-
         @NotNull
         public EventListener.Priority getEventPriority(@NotNull EventListener.ListenerType type) {
             try {
@@ -297,4 +329,10 @@ public class Settings {
         }
     }
 
+    public boolean isCommandDisabled(@NotNull PluginCommand command) {
+        return disabledCommands.stream().map(c -> c.startsWith("/") ? c.substring(1) : c)
+                .anyMatch(c -> c.equalsIgnoreCase(command.getName()) || command.getAliases().contains(c));
+    }
+
+
 }

common/src/main/java/net/william278/husksync/data/Data.java

@@ -155,14 +155,14 @@ public interface Data {
      */
     interface Advancements extends Data {
 
+        String RECIPE_ADVANCEMENT = "minecraft:recipe";
+
         @NotNull
         List<Advancement> getCompleted();
 
         @NotNull
         default List<Advancement> getCompletedExcludingRecipes() {
-            return getCompleted().stream()
-                .filter(advancement -> !advancement.getKey().startsWith("minecraft:recipe"))
-                .collect(Collectors.toList());
+            return getCompleted().stream().filter(adv -> !adv.getKey().startsWith(RECIPE_ADVANCEMENT)).toList();
         }
 
         void setCompleted(@NotNull List<Advancement> completed);
@@ -191,13 +191,13 @@ public interface Data {
             @NotNull
             private static Map<String, Long> adaptDateMap(@NotNull Map<String, Date> dateMap) {
                 return dateMap.entrySet().stream()
-                    .collect(Collectors.toMap(Map.Entry::getKey, e -> e.getValue().getTime()));
+                        .collect(Collectors.toMap(Map.Entry::getKey, e -> e.getValue().getTime()));
             }
 
             @NotNull
             private static Map<String, Date> adaptLongMap(@NotNull Map<String, Long> dateMap) {
                 return dateMap.entrySet().stream()
-                    .collect(Collectors.toMap(Map.Entry::getKey, e -> new Date(e.getValue())));
+                        .collect(Collectors.toMap(Map.Entry::getKey, e -> new Date(e.getValue())));
             }
 
             @NotNull
@@ -250,9 +250,9 @@ public interface Data {
         void setWorld(@NotNull World world);
 
         record World(
-            @SerializedName("name") @NotNull String name,
-            @SerializedName("uuid") @NotNull UUID uuid,
-            @SerializedName("environment") @NotNull String environment
+                @SerializedName("name") @NotNull String name,
+                @SerializedName("uuid") @NotNull UUID uuid,
+                @SerializedName("environment") @NotNull String environment
         ) {
         }
     }
@@ -324,9 +324,9 @@ public interface Data {
         List<Attribute> getAttributes();
 
         record Attribute(
-            @NotNull String name,
-            double baseValue,
-            @NotNull Set<Modifier> modifiers
+                @NotNull String name,
+                double baseValue,
+                @NotNull Set<Modifier> modifiers
         ) {
 
             public double getValue() {
@@ -366,7 +366,13 @@ public interface Data {
 
             @Override
             public boolean equals(Object obj) {
-                return obj instanceof Modifier modifier && modifier.uuid().equals(uuid());
+                if (obj instanceof Modifier other) {
+                    if (uuid == null || other.uuid == null) {
+                        return name.equals(other.name);
+                    }
+                    return uuid.equals(other.uuid);
+                }
+                return super.equals(obj);
             }
 
             public double modify(double value) {
@@ -378,6 +384,10 @@ public interface Data {
                 };
             }
 
+            public boolean hasUuid() {
+                return uuid != null;
+            }
+
             @NotNull
             public UUID uuid() {
                 return uuid != null ? uuid : UUID.nameUUIDFromBytes(name.getBytes());
@@ -387,8 +397,8 @@ public interface Data {
 
         default Optional<Attribute> getAttribute(@NotNull Key key) {
             return getAttributes().stream()
-                .filter(attribute -> attribute.name().equals(key.asString()))
-                .findFirst();
+                    .filter(attribute -> attribute.name().equals(key.asString()))
+                    .findFirst();
         }
 
         default void removeAttribute(@NotNull Key key) {
@@ -397,8 +407,8 @@ public interface Data {
 
         default double getMaxHealth() {
             return getAttribute(MAX_HEALTH_KEY)
-                .map(Attribute::getValue)
-                .orElse(20.0);
+                    .map(Attribute::getValue)
+                    .orElse(20.0);
         }
 
         default void setMaxHealth(double maxHealth) {

common/src/main/java/net/william278/husksync/data/DataException.java

@@ -45,13 +45,13 @@ public class DataException extends IllegalStateException {
     @AllArgsConstructor
     public enum Reason {
         INVALID_MINECRAFT_VERSION((plugin, snapshot) -> String.format("The Minecraft version of the snapshot (%s) is " +
-                        "newer than the server's version (%s). Ensure each server is on the same version of Minecraft.",
+                                                                      "newer than the server's version (%s). Ensure each server is on the same version of Minecraft.",
                 snapshot.getMinecraftVersion(), plugin.getMinecraftVersion())),
         INVALID_FORMAT_VERSION((plugin, snapshot) -> String.format("The format version of the snapshot (%s) is newer " +
-                        "than the server's version (%s). Ensure each server is running the same version of HuskSync.",
+                                                                   "than the server's version (%s). Ensure each server is running the same version of HuskSync.",
                 snapshot.getFormatVersion(), DataSnapshot.CURRENT_FORMAT_VERSION)),
         INVALID_PLATFORM_TYPE((plugin, snapshot) -> String.format("The platform type of the snapshot (%s) does " +
-                        "not match the server's platform type (%s). Ensure each server has the same platform type.",
+                                                                  "not match the server's platform type (%s). Ensure each server has the same platform type.",
                 snapshot.getPlatformType(), plugin.getPlatformType())),
         NO_LEGACY_CONVERTER((plugin, snapshot) -> String.format("No legacy converter to convert format version: %s",
                 snapshot.getFormatVersion()));

common/src/main/java/net/william278/husksync/data/DataSnapshot.java

@@ -395,7 +395,7 @@ public class DataSnapshot {
                     .map(entry -> Map.entry(plugin.getIdentifier(entry.getKey()).orElseThrow(), entry.getValue()))
                     .collect(Collectors.toMap(
                             Map.Entry::getKey,
-                            entry -> plugin.deserializeData(entry.getKey(), entry.getValue()),
+                            entry -> plugin.deserializeData(entry.getKey(), entry.getValue(), getMinecraftVersion()),
                             (a, b) -> b, () -> Maps.newTreeMap(SerializerRegistry.DEPENDENCY_ORDER_COMPARATOR)
                     ));
         }
@@ -535,9 +535,9 @@ public class DataSnapshot {
         public Builder timestamp(@NotNull OffsetDateTime timestamp) {
             if (timestamp.isAfter(OffsetDateTime.now())) {
                 throw new IllegalArgumentException("Data snapshots cannot have a timestamp set in the future! "
-                        + "Make sure your database server time matches the server time.\n"
-                        + "Current game server timestamp: " + OffsetDateTime.now() + " / "
-                        + "Snapshot timestamp: " + timestamp);
+                                                   + "Make sure your database server time matches the server time.\n"
+                                                   + "Current game server timestamp: " + OffsetDateTime.now() + " / "
+                                                   + "Snapshot timestamp: " + timestamp);
             }
             this.timestamp = timestamp;
             return this;

common/src/main/java/net/william278/husksync/data/Identifier.java

@@ -45,12 +45,13 @@ public class Identifier {
     public static final Identifier ADVANCEMENTS = huskSync("advancements", true);
     public static final Identifier STATISTICS = huskSync("statistics", true);
     public static final Identifier POTION_EFFECTS = huskSync("potion_effects", true);
-    public static final Identifier GAME_MODE = huskSync("game_mode", false);
+    public static final Identifier GAME_MODE = huskSync("game_mode", true);
     public static final Identifier FLIGHT_STATUS = huskSync("flight_status", true,
             Dependency.optional("game_mode")
     );
     public static final Identifier ATTRIBUTES = huskSync("attributes", true,
-            Dependency.required("potion_effects")
+            Dependency.optional("inventory"),
+            Dependency.optional("potion_effects")
     );
     public static final Identifier HEALTH = huskSync("health", true,
             Dependency.optional("attributes")

common/src/main/java/net/william278/husksync/data/SerializerRegistry.java

@@ -19,6 +19,7 @@
 
 package net.william278.husksync.data;
 
+import net.william278.desertwell.util.Version;
 import net.william278.husksync.HuskSync;
 import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
@@ -119,19 +120,36 @@ public interface SerializerRegistry {
     }
 
     /**
-     * Deserialize data for the given {@link Identifier}
+     * Deserialize data of a given {@link Version Minecraft version} for the given {@link Identifier data identifier}
+     *
+     * @param identifier    the {@link Identifier} to deserialize data for
+     * @param data          the data to deserialize
+     * @param dataMcVersion the Minecraft version of the data
+     * @return the deserialized data
+     * @throws IllegalStateException if no serializer is found for the given {@link Identifier}
+     * @since 3.6.4
+     */
+    @NotNull
+    default Data deserializeData(@NotNull Identifier identifier, @NotNull String data,
+                                 @NotNull Version dataMcVersion) throws IllegalStateException {
+        return getSerializer(identifier).map(serializer -> serializer.deserialize(data, dataMcVersion)).orElseThrow(
+                () -> new IllegalStateException("No serializer found for %s".formatted(identifier))
+        );
+    }
+
+    /**
+     * Deserialize data for the given {@link Identifier data identifier}
      *
      * @param identifier the {@link Identifier} to deserialize data for
      * @param data       the data to deserialize
      * @return the deserialized data
-     * @throws IllegalStateException if no serializer is found for the given {@link Identifier}
      * @since 3.5.4
+     * @deprecated Use {@link #deserializeData(Identifier, String, Version)} instead
      */
     @NotNull
-    default Data deserializeData(@NotNull Identifier identifier, @NotNull String data) throws IllegalStateException {
-        return getSerializer(identifier).map(serializer -> serializer.deserialize(data)).orElseThrow(
-                () -> new IllegalStateException("No serializer found for %s".formatted(identifier))
-        );
+    @Deprecated(since = "3.6.5")
+    default Data deserializeData(@NotNull Identifier identifier, @NotNull String data) {
+        return deserializeData(identifier, data, getPlugin().getMinecraftVersion());
     }
 
     /**

common/src/main/java/net/william278/husksync/database/MongoDbDatabase.java

@@ -50,6 +50,7 @@ public class MongoDbDatabase extends Database {
 
     private final String usersTable;
     private final String userDataTable;
+
     public MongoDbDatabase(@NotNull HuskSync plugin) {
         super(plugin);
         this.usersTable = plugin.getSettings().getDatabase().getTableName(TableName.USERS);
@@ -76,7 +77,7 @@ public class MongoDbDatabase extends Database {
             }
         } catch (Exception e) {
             throw new IllegalStateException("Failed to establish a connection to the MongoDB database. " +
-                    "Please check the supplied database credentials in the config file", e);
+                                            "Please check the supplied database credentials in the config file", e);
         }
     }
 
@@ -107,7 +108,7 @@ public class MongoDbDatabase extends Database {
                         if (!existingUser.getUsername().equals(user.getUsername())) {
                             // Update a user's name if it has changed in the database
                             try {
-                                Document filter = new Document("uuid", existingUser.getUuid().toString());
+                                Document filter = new Document("uuid", existingUser.getUuid());
                                 Document doc = mongoCollectionHelper.getCollection(usersTable).find(filter).first();
                                 if (doc == null) {
                                     throw new MongoException("User document returned null!");
@@ -123,7 +124,7 @@ public class MongoDbDatabase extends Database {
                     () -> {
                         // Insert new player data into the database
                         try {
-                            Document doc = new Document("uuid", user.getUuid().toString()).append("username", user.getUsername());
+                            Document doc = new Document("uuid", user.getUuid()).append("username", user.getUsername());
                             mongoCollectionHelper.insertDocument(usersTable, doc);
                         } catch (MongoException e) {
                             plugin.log(Level.SEVERE, "Failed to insert a user into the database", e);
@@ -148,8 +149,7 @@ public class MongoDbDatabase extends Database {
             Document filter = new Document("uuid", uuid);
             Document doc = mongoCollectionHelper.getCollection(usersTable).find(filter).first();
             if (doc != null) {
-                return Optional.of(new User(UUID.fromString(doc.getString("uuid")),
-                        doc.getString("username")));
+                return Optional.of(new User(uuid, doc.getString("username")));
             }
             return Optional.empty();
         } catch (MongoException e) {
@@ -171,7 +171,7 @@ public class MongoDbDatabase extends Database {
             Document filter = new Document("username", username);
             Document doc = mongoCollectionHelper.getCollection(usersTable).find(filter).first();
             if (doc != null) {
-                return Optional.of(new User(UUID.fromString(doc.getString("uuid")),
+                return Optional.of(new User(doc.get("uuid", UUID.class),
                         doc.getString("username")));
             }
             return Optional.empty();
@@ -191,12 +191,12 @@ public class MongoDbDatabase extends Database {
     @Override
     public Optional<DataSnapshot.Packed> getLatestSnapshot(@NotNull User user) {
         try {
-            Document filter = new Document("player_uuid", user.getUuid().toString());
+            Document filter = new Document("player_uuid", user.getUuid());
             Document sort = new Document("timestamp", -1); // -1 = Descending
             FindIterable<Document> iterable = mongoCollectionHelper.getCollection(userDataTable).find(filter).sort(sort);
             Document doc = iterable.first();
             if (doc != null) {
-                final UUID versionUuid = UUID.fromString(doc.getString("version_uuid"));
+                final UUID versionUuid = doc.get("version_uuid", UUID.class);
                 final OffsetDateTime timestamp = OffsetDateTime.ofInstant(Instant.ofEpochMilli((long) doc.get("timestamp")), TimeZone.getDefault().toZoneId());
                 final Binary bin = doc.get("data", Binary.class);
                 final byte[] dataByteArray = bin.getData();
@@ -221,11 +221,11 @@ public class MongoDbDatabase extends Database {
     public List<DataSnapshot.Packed> getAllSnapshots(@NotNull User user) {
         try {
             final List<DataSnapshot.Packed> retrievedData = Lists.newArrayList();
-            Document filter = new Document("player_uuid", user.getUuid().toString());
+            Document filter = new Document("player_uuid", user.getUuid());
             Document sort = new Document("timestamp", -1); // -1 = Descending
             FindIterable<Document> iterable = mongoCollectionHelper.getCollection(userDataTable).find(filter).sort(sort);
             for (Document doc : iterable) {
-                final UUID versionUuid = UUID.fromString(doc.getString("version_uuid"));
+                final UUID versionUuid = doc.get("version_uuid", UUID.class);
                 final OffsetDateTime timestamp = OffsetDateTime.ofInstant(Instant.ofEpochMilli((long) doc.get("timestamp")), TimeZone.getDefault().toZoneId());
                 final Binary bin = doc.get("data", Binary.class);
                 final byte[] dataByteArray = bin.getData();
@@ -249,7 +249,7 @@ public class MongoDbDatabase extends Database {
     @Override
     public Optional<DataSnapshot.Packed> getSnapshot(@NotNull User user, @NotNull UUID versionUuid) {
         try {
-            Document filter = new Document("player_uuid", user.getUuid().toString()).append("version_uuid", versionUuid.toString());
+            Document filter = new Document("player_uuid", user.getUuid()).append("version_uuid", versionUuid);
             Document sort = new Document("timestamp", -1); // -1 = Descending
             FindIterable<Document> iterable = mongoCollectionHelper.getCollection(userDataTable).find(filter).sort(sort);
             Document doc = iterable.first();
@@ -281,7 +281,7 @@ public class MongoDbDatabase extends Database {
             final int maxSnapshots = plugin.getSettings().getSynchronization().getMaxUserDataSnapshots();
             if (unpinnedUserData.size() > maxSnapshots) {
 
-                Document filter = new Document("player_uuid", user.getUuid().toString()).append("pinned", false);
+                Document filter = new Document("player_uuid", user.getUuid()).append("pinned", false);
                 Document sort = new Document("timestamp", 1); // 1 = Ascending
                 FindIterable<Document> iterable = mongoCollectionHelper.getCollection(userDataTable)
                         .find(filter)
@@ -307,7 +307,7 @@ public class MongoDbDatabase extends Database {
     @Override
     public boolean deleteSnapshot(@NotNull User user, @NotNull UUID versionUuid) {
         try {
-            Document filter = new Document("player_uuid", user.getUuid().toString()).append("version_uuid", versionUuid.toString());
+            Document filter = new Document("player_uuid", user.getUuid()).append("version_uuid", versionUuid);
             Document doc = mongoCollectionHelper.getCollection(userDataTable).find(filter).first();
             if (doc == null) {
                 return false;
@@ -332,7 +332,7 @@ public class MongoDbDatabase extends Database {
     @Override
     protected void rotateLatestSnapshot(@NotNull User user, @NotNull OffsetDateTime within) {
         try {
-            Document filter = new Document("player_uuid", user.getUuid().toString()).append("pinned", false);
+            Document filter = new Document("player_uuid", user.getUuid()).append("pinned", false);
             Document sort = new Document("timestamp", 1); // 1 = Ascending
             FindIterable<Document> iterable = mongoCollectionHelper.getCollection(userDataTable)
                     .find(filter)
@@ -362,8 +362,8 @@ public class MongoDbDatabase extends Database {
     @Override
     protected void createSnapshot(@NotNull User user, @NotNull DataSnapshot.Packed data) {
         try {
-            Document doc = new Document("player_uuid", user.getUuid().toString())
-                    .append("version_uuid", data.getId().toString())
+            Document doc = new Document("player_uuid", user.getUuid())
+                    .append("version_uuid", data.getId())
                     .append("timestamp", data.getTimestamp().toInstant().toEpochMilli())
                     .append("save_cause", data.getSaveCause().name())
                     .append("pinned", data.isPinned())
@@ -377,14 +377,14 @@ public class MongoDbDatabase extends Database {
     /**
      * Update a saved {@link DataSnapshot} by given version UUID
      *
-     * @param user     The user whose data snapshot
+     * @param user The user whose data snapshot
      * @param data The {@link DataSnapshot} to update
      */
     @Blocking
     @Override
     public void updateSnapshot(@NotNull User user, @NotNull DataSnapshot.Packed data) {
         try {
-            Document doc = new Document("player_uuid", user.getUuid().toString()).append("version_uuid", data.getId().toString());
+            Document doc = new Document("player_uuid", user.getUuid()).append("version_uuid", data.getId());
             Bson updates = Updates.combine(
                     Updates.set("save_cause", data.getSaveCause().name()),
                     Updates.set("pinned", data.isPinned()),

common/src/main/java/net/william278/husksync/database/MySqlDatabase.java

@@ -124,11 +124,11 @@ public class MySqlDatabase extends Database {
                 }
             } catch (SQLException e) {
                 throw new IllegalStateException("Failed to create database tables. Please ensure you are running MySQL v8.0+ " +
-                        "and that your connecting user account has privileges to create tables.", e);
+                                                "and that your connecting user account has privileges to create tables.", e);
             }
         } catch (SQLException | IOException e) {
             throw new IllegalStateException("Failed to establish a connection to the MySQL database. " +
-                    "Please check the supplied database credentials in the config file", e);
+                                            "Please check the supplied database credentials in the config file", e);
         }
     }
 

common/src/main/java/net/william278/husksync/database/PostgresDatabase.java

@@ -123,11 +123,11 @@ public class PostgresDatabase extends Database {
                 }
             } catch (SQLException e) {
                 throw new IllegalStateException("Failed to create database tables. Please ensure you are running PostgreSQL " +
-                        "and that your connecting user account has privileges to create tables.", e);
+                                                "and that your connecting user account has privileges to create tables.", e);
             }
         } catch (SQLException | IOException e) {
             throw new IllegalStateException("Failed to establish a connection to the PostgreSQL database. " +
-                    "Please check the supplied database credentials in the config file", e);
+                                            "Please check the supplied database credentials in the config file", e);
         }
     }
 

common/src/main/java/net/william278/husksync/database/mongo/MongoCollectionHelper.java

@@ -29,6 +29,7 @@ public class MongoCollectionHelper {
 
     /**
      * Initialize the collection helper
+     *
      * @param database Instance of {@link MongoConnectionHandler}
      */
     public MongoCollectionHelper(@NotNull MongoConnectionHandler database) {
@@ -37,6 +38,7 @@ public class MongoCollectionHelper {
 
     /**
      * Create a collection
+     *
      * @param collectionName the collection name
      */
     public void createCollection(@NotNull String collectionName) {
@@ -45,6 +47,7 @@ public class MongoCollectionHelper {
 
     /**
      * Delete a collection
+     *
      * @param collectionName the collection name
      */
     public void deleteCollection(@NotNull String collectionName) {
@@ -53,6 +56,7 @@ public class MongoCollectionHelper {
 
     /**
      * Get a collection
+     *
      * @param collectionName the collection name
      * @return MongoCollection<Document>
      */
@@ -62,8 +66,9 @@ public class MongoCollectionHelper {
 
     /**
      * Add a document to a collection
+     *
      * @param collectionName collection to add to
-     * @param document Document to add
+     * @param document       Document to add
      */
     public void insertDocument(@NotNull String collectionName, @NotNull Document document) {
         MongoCollection<Document> collection = database.getDatabase().getCollection(collectionName);
@@ -72,9 +77,10 @@ public class MongoCollectionHelper {
 
     /**
      * Update a document
+     *
      * @param collectionName collection the document is in
-     * @param document filter of document
-     * @param updates Bson of updates
+     * @param document       filter of document
+     * @param updates        Bson of updates
      */
     public void updateDocument(@NotNull String collectionName, @NotNull Document document, @NotNull Bson updates) {
         MongoCollection<Document> collection = database.getDatabase().getCollection(collectionName);
@@ -83,8 +89,9 @@ public class MongoCollectionHelper {
 
     /**
      * Delete a document
+     *
      * @param collectionName collection the document is in
-     * @param document filter to remove
+     * @param document       filter to remove
      */
     public void deleteDocument(@NotNull String collectionName, @NotNull Document document) {
         MongoCollection<Document> collection = database.getDatabase().getCollection(collectionName);

common/src/main/java/net/william278/husksync/database/mongo/MongoConnectionHandler.java

@@ -35,9 +35,10 @@ public class MongoConnectionHandler {
 
     /**
      * Initiate a connection to a Mongo Server
+     *
      * @param uri The connection string
      */
-    public MongoConnectionHandler(@NotNull ConnectionString uri, @NotNull  String databaseName) {
+    public MongoConnectionHandler(@NotNull ConnectionString uri, @NotNull String databaseName) {
         try {
             final MongoClientSettings settings = MongoClientSettings.builder()
                     .applyConnectionString(uri)
@@ -48,7 +49,7 @@ public class MongoConnectionHandler {
             this.database = mongoClient.getDatabase(databaseName);
         } catch (Exception e) {
             throw new IllegalStateException("Failed to establish a connection to the MongoDB database. " +
-                    "Please check the supplied database credentials in the config file", e);
+                                            "Please check the supplied database credentials in the config file", e);
         }
     }
 

common/src/main/java/net/william278/husksync/listener/EventListener.java

@@ -53,7 +53,7 @@ public abstract class EventListener {
             return;
         }
         plugin.lockPlayer(user.getUuid());
-        plugin.getDataSyncer().setUserData(user);
+        plugin.getDataSyncer().syncApplyUserData(user);
     }
 
     /**
@@ -66,7 +66,7 @@ public abstract class EventListener {
             return;
         }
         plugin.lockPlayer(user.getUuid());
-        plugin.getDataSyncer().saveUserData(user);
+        plugin.getDataSyncer().syncSaveUserData(user);
     }
 
     /**
@@ -94,7 +94,7 @@ public abstract class EventListener {
     protected void saveOnPlayerDeath(@NotNull OnlineUser user, @NotNull Data.Items items) {
         final SaveOnDeathSettings settings = plugin.getSettings().getSynchronization().getSaveOnDeath();
         if (plugin.isDisabling() || !settings.isEnabled() || plugin.isLocked(user.getUuid())
-                || user.isNpc() || (!settings.isSaveEmptyItems() && items.isEmpty())) {
+            || user.isNpc() || (!settings.isSaveEmptyItems() && items.isEmpty())) {
             return;
         }
 

common/src/main/java/net/william278/husksync/redis/RedisManager.java

@@ -92,7 +92,7 @@ public class RedisManager extends JedisPubSub {
             jedisPool.getResource().ping();
         } catch (JedisException e) {
             throw new IllegalStateException("Failed to establish connection with Redis. "
-                    + "Please check the supplied credentials in the config file", e);
+                                            + "Please check the supplied credentials in the config file", e);
         }
 
         // Subscribe using a thread (rather than a task)
@@ -281,16 +281,21 @@ public class RedisManager extends JedisPubSub {
     @Blocking
     public void setUserCheckedOut(@NotNull User user, boolean checkedOut) {
         try (Jedis jedis = jedisPool.getResource()) {
+            final String key = getKeyString(RedisKeyType.DATA_CHECKOUT, user.getUuid(), clusterId);
             if (checkedOut) {
                 jedis.set(
-                        getKey(RedisKeyType.DATA_CHECKOUT, user.getUuid(), clusterId),
+                        key.getBytes(StandardCharsets.UTF_8),
                         plugin.getServerName().getBytes(StandardCharsets.UTF_8)
                 );
             } else {
-                jedis.del(getKey(RedisKeyType.DATA_CHECKOUT, user.getUuid(), clusterId));
+                if (jedis.del(key.getBytes(StandardCharsets.UTF_8)) == 0) {
+                    plugin.debug(String.format("[%s] %s key not set on Redis when attempting removal (%s)",
+                            user.getUsername(), RedisKeyType.DATA_CHECKOUT, key));
+                    return;
+                }
             }
-            plugin.debug(String.format("[%s] %s %s key to/from Redis", user.getUsername(),
-                    checkedOut ? "Set" : "Removed", RedisKeyType.DATA_CHECKOUT));
+            plugin.debug(String.format("[%s] %s %s key %s Redis (%s)", user.getUsername(),
+                    checkedOut ? "Set" : "Removed", RedisKeyType.DATA_CHECKOUT, checkedOut ? "to" : "from", key));
         } catch (Throwable e) {
             plugin.log(Level.SEVERE, "An exception occurred setting checkout to", e);
         }
@@ -418,7 +423,12 @@ public class RedisManager extends JedisPubSub {
     }
 
     private static byte[] getKey(@NotNull RedisKeyType keyType, @NotNull UUID uuid, @NotNull String clusterId) {
-        return String.format("%s:%s", keyType.getKeyPrefix(clusterId), uuid).getBytes(StandardCharsets.UTF_8);
+        return getKeyString(keyType, uuid, clusterId).getBytes(StandardCharsets.UTF_8);
+    }
+
+    @NotNull
+    private static String getKeyString(@NotNull RedisKeyType keyType, @NotNull UUID uuid, @NotNull String clusterId) {
+        return String.format("%s:%s", keyType.getKeyPrefix(clusterId), uuid);
     }
 
 }

common/src/main/java/net/william278/husksync/sync/DataSyncer.java

@@ -81,18 +81,18 @@ public abstract class DataSyncer {
     }
 
     /**
-     * Called when a user's data should be fetched and applied to them
+     * Called when a user's data should be fetched and applied to them as part of a synchronization process
      *
      * @param user the user to fetch data for
      */
-    public abstract void setUserData(@NotNull OnlineUser user);
+    public abstract void syncApplyUserData(@NotNull OnlineUser user);
 
     /**
-     * Called when a user's data should be serialized and saved
+     * Called when a user's data should be serialized and saved as part of a synchronization process
      *
      * @param user the user to save
      */
-    public abstract void saveUserData(@NotNull OnlineUser user);
+    public abstract void syncSaveUserData(@NotNull OnlineUser user);
 
     /**
      * Save a {@link DataSnapshot.Packed user's data snapshot} to the database,
@@ -150,7 +150,7 @@ public abstract class DataSyncer {
     private long getMaxListenAttempts() {
         return BASE_LISTEN_ATTEMPTS + (
                 (Math.max(100, plugin.getSettings().getSynchronization().getNetworkLatencyMilliseconds()) / 1000)
-                        * 20 / LISTEN_DELAY
+                * 20 / LISTEN_DELAY
         );
     }
 

common/src/main/java/net/william278/husksync/sync/DelayDataSyncer.java

@@ -35,7 +35,7 @@ public class DelayDataSyncer extends DataSyncer {
     }
 
     @Override
-    public void setUserData(@NotNull OnlineUser user) {
+    public void syncApplyUserData(@NotNull OnlineUser user) {
         plugin.runAsyncDelayed(
                 () -> {
                     // Fetch from the database if the user isn't changing servers
@@ -58,7 +58,7 @@ public class DelayDataSyncer extends DataSyncer {
     }
 
     @Override
-    public void saveUserData(@NotNull OnlineUser onlineUser) {
+    public void syncSaveUserData(@NotNull OnlineUser onlineUser) {
         plugin.runAsync(() -> {
             getRedis().setUserServerSwitch(onlineUser);
             saveData(

common/src/main/java/net/william278/husksync/sync/LockstepDataSyncer.java

@@ -43,7 +43,7 @@ public class LockstepDataSyncer extends DataSyncer {
 
     // Consume their data when they are checked in
     @Override
-    public void setUserData(@NotNull OnlineUser user) {
+    public void syncApplyUserData(@NotNull OnlineUser user) {
         this.listenForRedisData(user, () -> {
             if (getRedis().getUserCheckedOut(user).isPresent()) {
                 return false;
@@ -58,7 +58,7 @@ public class LockstepDataSyncer extends DataSyncer {
     }
 
     @Override
-    public void saveUserData(@NotNull OnlineUser onlineUser) {
+    public void syncSaveUserData(@NotNull OnlineUser onlineUser) {
         plugin.runAsync(() -> saveData(
                 onlineUser, onlineUser.createSnapshot(DataSnapshot.SaveCause.DISCONNECT),
                 (user, data) -> {

common/src/main/java/net/william278/husksync/user/ConsoleUser.java

@@ -42,4 +42,6 @@ public final class ConsoleUser implements CommandUser {
     public boolean hasPermission(@NotNull String permission) {
         return true;
     }
+
+
 }

common/src/main/java/net/william278/husksync/user/OnlineUser.java

@@ -89,7 +89,9 @@ public abstract class OnlineUser extends User implements CommandUser, UserDataHo
      * @param description    the description of the toast
      * @param iconMaterial   the namespace-keyed material to use as an hasIcon of the toast
      * @param backgroundType the background ("ToastType") of the toast
+     * @deprecated No longer supported
      */
+    @Deprecated(since = "3.6.7")
     public abstract void sendToast(@NotNull MineDown title, @NotNull MineDown description,
                                    @NotNull String iconMaterial, @NotNull String backgroundType);
 
@@ -145,12 +147,6 @@ public abstract class OnlineUser extends User implements CommandUser, UserDataHo
             switch (plugin.getSettings().getSynchronization().getNotificationDisplaySlot()) {
                 case CHAT -> cause.getCompletedLocale(plugin).ifPresent(this::sendMessage);
                 case ACTION_BAR -> cause.getCompletedLocale(plugin).ifPresent(this::sendActionBar);
-                case TOAST -> cause.getCompletedLocale(plugin)
-                        .ifPresent(locale -> this.sendToast(
-                                locale, new MineDown(""),
-                                "minecraft:bell",
-                                "TASK"
-                        ));
             }
             plugin.fireEvent(
                     plugin.getSyncCompleteEvent(this),

common/src/main/java/net/william278/husksync/util/DataDumper.java

@@ -178,11 +178,11 @@ public class DataDumper {
     @NotNull
     private String getFileName() {
         return new StringJoiner("_")
-                .add(user.getUsername())
-                .add(snapshot.getTimestamp().format(DateTimeFormatter.ofPattern("yyyy-MM-dd_HH-mm-ss")))
-                .add(snapshot.getSaveCause().name().toLowerCase(Locale.ENGLISH))
-                .add(snapshot.getShortId())
-                + ".json";
+                       .add(user.getUsername())
+                       .add(snapshot.getTimestamp().format(DateTimeFormatter.ofPattern("yyyy-MM-dd_HH-mm-ss")))
+                       .add(snapshot.getSaveCause().name().toLowerCase(Locale.ENGLISH))
+                       .add(snapshot.getShortId())
+               + ".json";
     }
 
 }

common/src/main/java/net/william278/husksync/util/DataSnapshotOverview.java

@@ -106,7 +106,7 @@ public class DataSnapshotOverview {
                 .ifPresent(user::sendMessage);
 
         if (user.hasPermission("husksync.command.inventory.edit")
-                && user.hasPermission("husksync.command.enderchest.edit")) {
+            && user.hasPermission("husksync.command.enderchest.edit")) {
             locales.getLocale("data_manager_item_buttons", dataOwner.getUsername(), snapshot.getId().toString())
                     .ifPresent(user::sendMessage);
         }

docs/API.md

@@ -53,7 +53,7 @@ Add the repository to your `pom.xml` as per below. You can alternatively specify
     </repository>
 </repositories>
 ```
-Add the dependency to your `pom.xml` as per below. Replace `VERSION` with the latest version of HuskSync (without the v): ![Latest version](https://img.shields.io/github/v/tag/WiIIiam278/HuskSync?color=%23282828&label=%20&style=flat-square)
+Add the dependency to your `pom.xml` as per below. Replace `VERSION` with the latest version of HuskSync (without the v): ![Latest version](https://img.shields.io/github/v/tag/WiIIiam278/HuskSync?color=%23282828&label=%20&style=flat-square). Note for Fabric you must append the target Minecraft version to the version number (e.g. `3.6.1+1.20.1`).
 ```xml
 <dependency>
     <groupId>net.william278.husksync</groupId>
@@ -76,7 +76,7 @@ allprojects {
 	}
 }
 ```
-Add the dependency as per below. Replace `VERSION` with the latest version of HuskSync (without the v): ![Latest version](https://img.shields.io/github/v/tag/WiIIiam278/HuskSync?color=%23282828&label=%20&style=flat-square)
+Add the dependency as per below. Replace `VERSION` with the latest version of HuskSync (without the v): ![Latest version](https://img.shields.io/github/v/tag/WiIIiam278/HuskSync?color=%23282828&label=%20&style=flat-square). Note for Fabric you must append the target Minecraft version to the version number (e.g. `3.6.1+1.20.1`).
 
 ```groovy
 dependencies {

docs/Config-File.md

@@ -28,13 +28,13 @@ check_for_updates: true
 cluster_id: ''
 # Enable development debug logging
 debug_logging: true
-# Whether to provide modern, rich TAB suggestions for commands (if available)
-brigadier_tab_completion: false
 # Whether to enable the Player Analytics hook.
 # Docs: https://william278.net/docs/husksync/plan-hook
 enable_plan_hook: true
 # Whether to cancel game event packets directly when handling locked players if ProtocolLib or PacketEvents is installed
 cancel_packets: true
+# Add HuskSync commands to this list to prevent them from being registered (e.g. ['userdata'])
+disabled_commands: []
 # Database settings
 database:
   # Type of database to use (MYSQL, MARIADB, POSTGRES, MONGO)
@@ -78,7 +78,7 @@ redis:
     # List of host:port pairs
     nodes: []
     password: ''
-# Redis settings
+# Data syncing settings
 synchronization:
   # The data synchronization mode to use (LOCKSTEP or DELAY). LOCKSTEP is recommended for most networks.
   # Docs: https://william278.net/docs/husksync/sync-modes
@@ -109,7 +109,7 @@ synchronization:
     sync_dead_players_changing_server: true
   # Whether to use the snappy data compression algorithm. Keep on unless you know what you're doing
   compress_data: true
-  # Where to display sync notifications (ACTION_BAR, CHAT, TOAST or NONE)
+  # Where to display sync notifications (ACTION_BAR, CHAT or NONE)
   notification_display_slot: ACTION_BAR
   # Persist maps locked in a Cartography Table to let them be viewed on any server
   persist_locked_maps: true
@@ -134,9 +134,14 @@ synchronization:
   # Commands which should be blocked before a player has finished syncing (Use * to block all commands)
   blacklisted_commands_while_locked:
     - '*'
-  # For attribute syncing, which attributes should be ignored/skipped when syncing
-  # (e.g. ['minecraft:generic.max_health', 'minecraft:generic.attack_damage'])
-  ignored_attributes: []
+  # Configuration for how to sync attributes
+  attributes:
+    # Which attributes should not be saved when syncing users. Supports wildcard matching.
+    # (e.g. ['minecraft:generic.max_health', 'minecraft:generic.*'])
+    ignored_attributes: []
+    # Which modifiers should not be saved when syncing users. Supports wildcard matching.
+    # (e.g. ['minecraft:effect.speed', 'minecraft:effect.*'])
+    ignored_modifiers: ['minecraft:effect.*', 'minecraft:creative_mode_*']
   # Event priorities for listeners (HIGHEST, NORMAL, LOWEST). Change if you encounter plugin conflicts
   event_priorities:
     quit_listener: LOWEST

docs/Legacy-Migration.md

@@ -18,12 +18,12 @@ This guide will walk you through how to upgrade from HuskSync v1.4.x to HuskSync
 
 ### 3. Configure the migrator
 - With your servers back on and correctly configured to run HuskSync v3.x, ensure nobody is online.
-- Use the console on one of your Spigot servers to enter: `husksync migrate legacy`
-- Carefully read the migration configuration instructions. In most cases, you won't have to change the settings, but if you do need to adjust them, use `husksync migrate legacy set <setting> <value>`.
+- Use the console on one of your Spigot servers to enter: `husksync migrate help legacy`
+- Carefully read the migration configuration instructions. In most cases, you won't have to change the settings, but if you do need to adjust them, use `husksync migrate set legacy <setting> <value>`.
 - Migration will be carried out *from* the database you specify with the settings in console *to* the database configured in `config.yml`. If you're migrating from multiple clusters, ensure you run the migrator on the correct servers corresponding to the migrator.
 
 ### 4. Start the migrator
-- Run `husksync migrate legacy start` to begin the migration process. This may take some time, depending on the amount of data you're migrating.
+- Run `husksync migrate start legacy` to begin the migration process. This may take some time, depending on the amount of data you're migrating.
 
 ### 5. Ensure the migration was successful
 - HuskSync will notify in console when migration is complete. Verify that the migration went OK by logging in and using the `/userdata list <username>` command to see if the data was imported with the `legacy migration` saveCause. 

docs/MPDB-Migration.md

@@ -13,12 +13,12 @@ This guide will walk you through how to migrate from MySQLPlayerDataBridge (MPDB
 
 ### 2. Configure the migrator
 - With your servers back on and correctly configured to run HuskSync v3.x, ensure nobody is online.
-- Use the console on one of your Spigot servers to enter: `husksync migrate mpdb`. If the MPDB migrator is not available, ensure MySQLPlayerDataBridge is still installed.
-- Adjust the migration setting as needed using the following command: `husksync migrate mpdb set <setting> <value>`.
+- Use the console on one of your Spigot servers to enter: `husksync migrate help mpdb`. If the MPDB migrator is not available, ensure MySQLPlayerDataBridge is still installed.
+- Adjust the migration setting as needed using the following command: `husksync migrate set mpdb <setting> <value>`.
 - Note that migration will be carried out *from* the database you specify with the settings in console *to* the database configured in `config.yml`.
 
 ### 3. Start the migrator
-- Run `husksync migrate mpdb start` to begin the migration process. This may take some time, depending on the amount of data you're migrating.
+- Run `husksync migrate start mpdb` to begin the migration process. This may take some time, depending on the amount of data you're migrating.
 
 ### 4. Uninstall MySQLPlayerDataBridge
 - HuskSync will display a message in console when data migration is complete.

docs/Setup.md

@@ -31,22 +31,29 @@ This will walk you through installing HuskSync on your network of Spigot or Fabr
 - Unless you want to have multiple clusters of servers within your network, each with separate user data, you should not change the value of `cluster_id`.
 
 <details>
-<summary>Important &mdash; MongoDB Users</summary>
+<summary>MongoDB users &mdash; additional instructions</summary>
 
 - Navigate to the HuskSync config file on each server (`~/plugins/HuskSync/config.yml`)
 - Set `type` in the `database` section to `MONGO`
 - Under `credentials` in the `database` section, enter the credentials of your MongoDB Database. You shouldn't touch the `connection_pool` properties.
-<details>
+- Under `parameters` in the `mongo_settings` section, ensure the specified `&authSource=` matches the database you are using (default is `HuskSync`).
 
-<summary>Additional configuration for MongoDB Atlas users</summary>
+#### Additional setup for MongoDB Atlas
 
-- Navigate to the HuskSync config file on each server (`~/plugins/HuskSync/config.yml`)
 - Set `using_atlas` in the `mongo_settings` section to `true`. 
 - Remove `&authSource=HuskSync` from `parameters` in the `mongo_settings`. 
 
 (The `port` setting in `credentials` is disregarded when using Atlas.)
 </details>
 
+<details>
+<summary>Pterodactyl self-hosts &mdash; Redis setup instructions</summary>
+
+If you are hosting your Redis server on the same node as your servers, you need to use `172.18.0.1` as your host (or equivalent if you changed your network settings), and bind it in the Redis config `nano /etc/redis/redis.conf`.
+
+You will also need to uncomment the `requirepass` directive and set a password to allow outside connections, or disable `protected-mode`. Once a password is set and Redis is restarted `systemctl restart redis`, you will also need to update the password in your pterodactyl `.env` (`nano /var/www/pterodactyl/.env`) and refresh the cache `cd /var/www/pterodactyl && php artisan config:clear`.
+
+You may also need to allow connections from your firewall depending on your distribution.
 </details>
 
 ### 4. Set server names in server.yml files

docs/Sync-Features.md

@@ -38,7 +38,7 @@ Although it's a common request, HuskSync doesn't synchronize economy data for a
 I strongly recommend making use of economy plugins that have cross-server economy balance synchronization built-in, of which there are a multitude of options available. Please see our [[FAQs]] section for more details on this decision.
 
 ## Toggling Sync Features
-All synchronization features, except location and locked map synchronising, are enabled by default. To toggle a feature, navigate to the `features:` section in the `synchronization:` part of your `config.yml` file, and change the option to `true`/`false` respectively.
+All synchronization features, except location and locked map synchronizing, are enabled by default. To toggle a feature, navigate to the `features:` section in the `synchronization:` part of your `config.yml` file, and change the option to `true`/`false` respectively.
 
 <details>
 <summary>Example in config.yml</summary>

fabric/build.gradle

@@ -1,5 +1,5 @@
 plugins {
-    id 'fabric-loom' version '1.6-SNAPSHOT'
+    id 'fabric-loom' version '1.7-SNAPSHOT'
 }
 
 apply plugin: 'fabric-loom'
@@ -18,20 +18,21 @@ dependencies {
     modImplementation include("net.kyori:adventure-platform-fabric:${adventure_platform_fabric_version}")
     modImplementation include("me.lucko:fabric-permissions-api:${fabric_permissions_api_version}")
     modImplementation include("eu.pb4:sgui:${sgui_version}")
+    modImplementation include('net.william278.uniform:uniform-fabric:1.2.1+1.20.1')
     modCompileOnly "net.fabricmc.fabric-api:fabric-api:${fabric_api_version}"
 
-    // Runtime dependencies on Bukkit; "include" them on Fabric. (todo: minify JAR?)
     implementation include('org.apache.commons:commons-pool2:2.12.0')
     implementation include("redis.clients:jedis:$jedis_version")
     implementation include("com.mysql:mysql-connector-j:$mysql_driver_version")
     implementation include("org.mariadb.jdbc:mariadb-java-client:$mariadb_driver_version")
+    implementation include("org.postgresql:postgresql:$postgres_driver_version")
     implementation include("org.xerial.snappy:snappy-java:$snappy_version")
 
     compileOnly 'org.jetbrains:annotations:24.1.0'
     compileOnly 'net.william278:DesertWell:2.0.4'
-    compileOnly 'org.projectlombok:lombok:1.18.32'
+    compileOnly 'org.projectlombok:lombok:1.18.34'
 
-    annotationProcessor 'org.projectlombok:lombok:1.18.32'
+    annotationProcessor 'org.projectlombok:lombok:1.18.34'
 
     shadow project(path: ":common")
 }

fabric/src/main/java/net/william278/husksync/FabricHuskSync.java

@@ -28,7 +28,6 @@ import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
 import net.fabricmc.api.DedicatedServerModInitializer;
-import net.fabricmc.fabric.api.command.v2.CommandRegistrationCallback;
 import net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents;
 import net.fabricmc.loader.api.FabricLoader;
 import net.fabricmc.loader.api.ModContainer;
@@ -40,8 +39,7 @@ import net.william278.husksync.adapter.DataAdapter;
 import net.william278.husksync.adapter.GsonAdapter;
 import net.william278.husksync.adapter.SnappyGsonAdapter;
 import net.william278.husksync.api.FabricHuskSyncAPI;
-import net.william278.husksync.command.Command;
-import net.william278.husksync.command.FabricCommand;
+import net.william278.husksync.command.PluginCommand;
 import net.william278.husksync.config.Locales;
 import net.william278.husksync.config.Server;
 import net.william278.husksync.config.Settings;
@@ -51,6 +49,7 @@ import net.william278.husksync.database.MongoDbDatabase;
 import net.william278.husksync.database.MySqlDatabase;
 import net.william278.husksync.database.PostgresDatabase;
 import net.william278.husksync.event.FabricEventDispatcher;
+import net.william278.husksync.event.ModLoadedCallback;
 import net.william278.husksync.hook.PlanHook;
 import net.william278.husksync.listener.EventListener;
 import net.william278.husksync.listener.FabricEventListener;
@@ -62,6 +61,8 @@ import net.william278.husksync.user.FabricUser;
 import net.william278.husksync.user.OnlineUser;
 import net.william278.husksync.util.FabricTask;
 import net.william278.husksync.util.LegacyConverter;
+import net.william278.uniform.Uniform;
+import net.william278.uniform.fabric.FabricUniform;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.slf4j.Logger;
@@ -74,7 +75,6 @@ import java.nio.file.Files;
 import java.nio.file.Path;
 import java.util.*;
 import java.util.logging.Level;
-import java.util.stream.Collectors;
 
 @Getter
 @NoArgsConstructor
@@ -90,6 +90,7 @@ public class FabricHuskSync implements DedicatedServerModInitializer, HuskSync,
     private final Map<String, Boolean> permissions = Maps.newHashMap();
     private final List<Migrator> availableMigrators = Lists.newArrayList();
     private final Set<UUID> lockedPlayers = Sets.newConcurrentHashSet();
+    private final Map<UUID, FabricUser> playerMap = Maps.newConcurrentMap();
 
     private Logger logger;
     private ModContainer mod;
@@ -127,7 +128,7 @@ public class FabricHuskSync implements DedicatedServerModInitializer, HuskSync,
         });
 
         // Register commands
-        initialize("commands", (plugin) -> this.registerCommands());
+        initialize("commands", (plugin) -> getUniform().register(PluginCommand.Type.create(this)));
 
         // Load HuskSync after server startup
         ServerLifecycleEvents.SERVER_STARTED.register(server -> {
@@ -157,7 +158,7 @@ public class FabricHuskSync implements DedicatedServerModInitializer, HuskSync,
             registerSerializer(Identifier.INVENTORY, new FabricSerializer.Inventory(this));
             registerSerializer(Identifier.ENDER_CHEST, new FabricSerializer.EnderChest(this));
             registerSerializer(Identifier.ADVANCEMENTS, new FabricSerializer.Advancements(this));
-            registerSerializer(Identifier.STATISTICS, new Serializer.Json<>(this, FabricData.Statistics.class)); // TODO APPLY
+            registerSerializer(Identifier.STATISTICS, new Serializer.Json<>(this, FabricData.Statistics.class));
             registerSerializer(Identifier.POTION_EFFECTS, new FabricSerializer.PotionEffects(this));
             registerSerializer(Identifier.GAME_MODE, new Serializer.Json<>(this, FabricData.GameMode.class));
             registerSerializer(Identifier.FLIGHT_STATUS, new Serializer.Json<>(this, FabricData.FlightStatus.class));
@@ -202,12 +203,20 @@ public class FabricHuskSync implements DedicatedServerModInitializer, HuskSync,
         });
 
         // Register API
-        initialize("api", (plugin) -> {
-            FabricHuskSyncAPI.register(this);
-        });
+        initialize("api", (plugin) -> FabricHuskSyncAPI.register(this));
 
         // Check for updates
         this.checkForUpdates();
+
+        log(Level.WARNING, """
+                **************
+                WARNING:
+                
+                HuskSync for Fabric is still in an alpha state and is
+                not considered production ready.
+                **************""");
+
+        ModLoadedCallback.EVENT.invoker().post(FabricHuskSyncAPI.getInstance());
     }
 
     private void onDisable() {
@@ -232,12 +241,6 @@ public class FabricHuskSync implements DedicatedServerModInitializer, HuskSync,
         log(Level.INFO, "Successfully disabled HuskSync v" + getPluginVersion());
     }
 
-    private void registerCommands() {
-        final List<Command> commands = FabricCommand.Type.getCommands(this);
-        CommandRegistrationCallback.EVENT.register((dispatcher, registry, environment) ->
-                commands.forEach(command -> new FabricCommand(command, this).register(dispatcher))
-        );
-    }
 
     @NotNull
     @Override
@@ -253,16 +256,19 @@ public class FabricHuskSync implements DedicatedServerModInitializer, HuskSync,
     @Override
     @NotNull
     public Set<OnlineUser> getOnlineUsers() {
-        return minecraftServer.getPlayerManager().getPlayerList()
-                .stream().map(user -> (OnlineUser) FabricUser.adapt(user, this))
-                .collect(Collectors.toSet());
+        return Sets.newHashSet(playerMap.values());
     }
 
     @Override
     @NotNull
     public Optional<OnlineUser> getOnlineUser(@NotNull UUID uuid) {
-        return Optional.ofNullable(minecraftServer.getPlayerManager().getPlayer(uuid))
-                .map(user -> FabricUser.adapt(user, this));
+        return Optional.ofNullable(playerMap.get(uuid));
+    }
+
+    @Override
+    @NotNull
+    public Uniform getUniform() {
+        return FabricUniform.getInstance(mod.getMetadata().getId());
     }
 
     @Override
@@ -333,6 +339,14 @@ public class FabricHuskSync implements DedicatedServerModInitializer, HuskSync,
         return PLATFORM_TYPE_ID;
     }
 
+    @Override
+    @NotNull
+    public String getServerVersion() {
+        return String.format("%s %s/%s", getPlatformType(), FabricLoader.getInstance()
+                .getModContainer("fabricloader").map(l -> l.getMetadata().getVersion().getFriendlyString())
+                .orElse("unknown"), minecraftServer.getVersion());
+    }
+
     @Override
     public Optional<LegacyConverter> getLegacyConverter() {
         return Optional.empty();

fabric/src/main/java/net/william278/husksync/command/FabricCommand.java

@@ -1,153 +0,0 @@
-/*
- * This file is part of HuskSync, licensed under the Apache License 2.0.
- *
- *  Copyright (c) William278 <will27528@gmail.com>
- *  Copyright (c) contributors
- *
- *  Licensed under the Apache License, Version 2.0 (the "License");
- *  you may not use this file except in compliance with the License.
- *  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
- */
-
-package net.william278.husksync.command;
-
-import com.mojang.brigadier.CommandDispatcher;
-import com.mojang.brigadier.builder.LiteralArgumentBuilder;
-import com.mojang.brigadier.tree.LiteralCommandNode;
-import me.lucko.fabric.api.permissions.v0.PermissionCheckEvent;
-import me.lucko.fabric.api.permissions.v0.Permissions;
-import net.fabricmc.fabric.api.util.TriState;
-import net.minecraft.server.command.ServerCommandSource;
-import net.minecraft.server.network.ServerPlayerEntity;
-import net.william278.husksync.FabricHuskSync;
-import net.william278.husksync.HuskSync;
-import net.william278.husksync.user.CommandUser;
-import net.william278.husksync.user.FabricUser;
-import org.jetbrains.annotations.NotNull;
-
-import java.util.Arrays;
-import java.util.List;
-import java.util.Map;
-import java.util.function.Function;
-import java.util.function.Predicate;
-
-import static com.mojang.brigadier.arguments.StringArgumentType.greedyString;
-import static net.minecraft.server.command.CommandManager.argument;
-import static net.minecraft.server.command.CommandManager.literal;
-
-public class FabricCommand {
-
-    private final FabricHuskSync plugin;
-    private final Command command;
-
-    public FabricCommand(@NotNull Command command, @NotNull FabricHuskSync plugin) {
-        this.command = command;
-        this.plugin = plugin;
-    }
-
-    public void register(@NotNull CommandDispatcher<ServerCommandSource> dispatcher) {
-        // Register brigadier command
-        final Predicate<ServerCommandSource> predicate = Permissions
-                .require(command.getPermission(), command.isOperatorCommand() ? 3 : 0);
-        final LiteralArgumentBuilder<ServerCommandSource> builder = literal(command.getName())
-                .requires(predicate).executes(getBrigadierExecutor());
-        plugin.getPermissions().put(command.getPermission(), command.isOperatorCommand());
-        if (!command.getRawUsage().isBlank()) {
-            builder.then(argument(command.getRawUsage().replaceAll("[<>\\[\\]]", ""), greedyString())
-                    .executes(getBrigadierExecutor())
-                    .suggests(getBrigadierSuggester()));
-        }
-
-        // Register additional permissions
-        final Map<String, Boolean> permissions = command.getAdditionalPermissions();
-        permissions.forEach((permission, isOp) -> plugin.getPermissions().put(permission, isOp));
-        PermissionCheckEvent.EVENT.register((player, node) -> {
-            if (permissions.containsKey(node) && permissions.get(node) && player.hasPermissionLevel(3)) {
-                return TriState.TRUE;
-            }
-            return TriState.DEFAULT;
-        });
-
-        // Register aliases
-        final LiteralCommandNode<ServerCommandSource> node = dispatcher.register(builder);
-        dispatcher.register(literal("husksync:" + command.getName())
-                .requires(predicate).executes(getBrigadierExecutor()).redirect(node));
-        command.getAliases().forEach(alias -> dispatcher.register(literal(alias)
-                .requires(predicate).executes(getBrigadierExecutor()).redirect(node)));
-    }
-
-    private com.mojang.brigadier.Command<ServerCommandSource> getBrigadierExecutor() {
-        return (context) -> {
-            command.onExecuted(
-                    resolveExecutor(context.getSource()),
-                    command.removeFirstArg(context.getInput().split(" "))
-            );
-            return 1;
-        };
-    }
-
-    private com.mojang.brigadier.suggestion.SuggestionProvider<ServerCommandSource> getBrigadierSuggester() {
-        if (!(command instanceof TabProvider provider)) {
-            return (context, builder) -> com.mojang.brigadier.suggestion.Suggestions.empty();
-        }
-        return (context, builder) -> {
-            final String[] args = command.removeFirstArg(context.getInput().split(" ", -1));
-            provider.getSuggestions(resolveExecutor(context.getSource()), args).stream()
-                    .map(suggestion -> {
-                        final String completedArgs = String.join(" ", args);
-                        int lastIndex = completedArgs.lastIndexOf(" ");
-                        if (lastIndex == -1) {
-                            return suggestion;
-                        }
-                        return completedArgs.substring(0, lastIndex + 1) + suggestion;
-                    })
-                    .forEach(builder::suggest);
-            return builder.buildFuture();
-        };
-    }
-
-    private CommandUser resolveExecutor(@NotNull ServerCommandSource source) {
-        if (source.getEntity() instanceof ServerPlayerEntity player) {
-            return FabricUser.adapt(player, plugin);
-        }
-        return plugin.getConsole();
-    }
-
-
-    /**
-     * Commands available on the Fabric HuskSync implementation.
-     */
-    public enum Type {
-
-        HUSKSYNC_COMMAND(HuskSyncCommand::new),
-        USERDATA_COMMAND(UserDataCommand::new),
-        INVENTORY_COMMAND(InventoryCommand::new),
-        ENDER_CHEST_COMMAND(EnderChestCommand::new);
-
-        private final Function<HuskSync, Command> supplier;
-
-        Type(@NotNull Function<HuskSync, Command> supplier) {
-            this.supplier = supplier;
-        }
-
-        @NotNull
-        public Command createCommand(@NotNull HuskSync plugin) {
-            return supplier.apply(plugin);
-        }
-
-        @NotNull
-        public static List<Command> getCommands(@NotNull FabricHuskSync plugin) {
-            return Arrays.stream(values()).map(type -> type.createCommand(plugin)).toList();
-        }
-
-    }
-
-}

fabric/src/main/java/net/william278/husksync/data/FabricData.java

@@ -53,6 +53,7 @@ import net.william278.husksync.user.FabricUser;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.annotations.Range;
+import org.jetbrains.annotations.Unmodifiable;
 
 import java.util.*;
 
@@ -153,29 +154,23 @@ public abstract class FabricData implements Data {
 
             @Override
             public int getSlotCount() {
-                return INVENTORY_SLOT_COUNT;
+                return getContents().length;
             }
 
             @Override
             public void apply(@NotNull FabricUser user, @NotNull FabricHuskSync plugin) throws IllegalStateException {
                 final ServerPlayerEntity player = user.getPlayer();
-                this.clearInventoryCraftingSlots(player);
+                player.playerScreenHandler.clearCraftingSlots();
                 player.currentScreenHandler.setCursorStack(ItemStack.EMPTY);
                 final ItemStack[] items = getContents();
                 for (int slot = 0; slot < player.getInventory().size(); slot++) {
-                    player.getInventory().setStack(
-                            slot, items[slot] == null ? ItemStack.EMPTY : items[slot]
-                    );
+                    player.getInventory().setStack(slot, items[slot] == null ? ItemStack.EMPTY : items[slot]);
                 }
                 player.getInventory().selectedSlot = heldItemSlot;
                 player.playerScreenHandler.sendContentUpdates();
                 player.getInventory().updateItems();
             }
 
-            private void clearInventoryCraftingSlots(@NotNull ServerPlayerEntity player) {
-                player.playerScreenHandler.clearCraftingSlots();
-            }
-
         }
 
         public static class EnderChest extends FabricData.Items implements Data.Items.EnderChest {
@@ -243,8 +238,8 @@ public abstract class FabricData implements Data {
         private final Collection<StatusEffectInstance> effects;
 
         @NotNull
-        public static FabricData.PotionEffects from(@NotNull Collection<StatusEffectInstance> effects) {
-            return new FabricData.PotionEffects(effects);
+        public static FabricData.PotionEffects from(@NotNull Collection<StatusEffectInstance> sei) {
+            return new FabricData.PotionEffects(Lists.newArrayList(sei.stream().filter(e -> !e.isAmbient()).toList()));
         }
 
         @NotNull
@@ -269,18 +264,21 @@ public abstract class FabricData implements Data {
         @NotNull
         @SuppressWarnings("unused")
         public static FabricData.PotionEffects empty() {
-            return new FabricData.PotionEffects(List.of());
+            return new FabricData.PotionEffects(Lists.newArrayList());
         }
 
         @Override
         public void apply(@NotNull FabricUser user, @NotNull FabricHuskSync plugin) throws IllegalStateException {
             final ServerPlayerEntity player = user.getPlayer();
-            player.getActiveStatusEffects().forEach((effect, instance) -> player.removeStatusEffect(effect));
+            final List<StatusEffect> effectsToRemove = player.getActiveStatusEffects().entrySet().stream()
+                    .filter(e -> !e.getValue().isAmbient()).map(Map.Entry::getKey).toList();
+            effectsToRemove.forEach(player::removeStatusEffect);
             getEffects().forEach(player::addStatusEffect);
         }
 
         @NotNull
         @Override
+        @Unmodifiable
         public List<Effect> getActiveEffects() {
             return effects.stream()
                     .map(potionEffect -> {
@@ -321,7 +319,7 @@ public abstract class FabricData implements Data {
 
                 // Only save the advancement if criteria has been completed
                 if (!awardedCriteria.isEmpty()) {
-                    advancements.add(Advancement.adapt(advancement.getId().asString(), awardedCriteria));
+                    advancements.add(Advancement.adapt(advancement.getId().toString(), awardedCriteria));
                 }
             });
             return new FabricData.Advancements(advancements);
@@ -373,7 +371,7 @@ public abstract class FabricData implements Data {
 
                 // Restore player exp level & progress
                 if (!toAward.isEmpty()
-                        && (player.experienceLevel != expLevel || player.experienceProgress != expProgress)) {
+                    && (player.experienceLevel != expLevel || player.experienceProgress != expProgress)) {
                     player.setExperienceLevel(expLevel);
                     player.setExperiencePoints((int) (player.getNextLevelExperience() * expProgress));
                 }
@@ -485,7 +483,7 @@ public abstract class FabricData implements Data {
             Registries.STAT_TYPE.getEntrySet().forEach(stat -> {
                 final Registry<?> registry = stat.getValue().getRegistry();
 
-                final String registryId = registry.getKey().getValue().value();
+                final String registryId = registry.getKey().getValue().getPath();
                 if (registryId.equals("custom_stat")) {
                     return;
                 }
@@ -494,13 +492,13 @@ public abstract class FabricData implements Data {
                     case ITEM_STAT_TYPE -> items;
                     case ENTITY_STAT_TYPE -> entities;
                     default -> throw new IllegalStateException("Unexpected value: %s".formatted(registryId));
-                }).compute(stat.getKey().getValue().asString(), (k, v) -> v == null ? Maps.newHashMap() : v);
+                }).compute(stat.getKey().getValue().toString(), (k, v) -> v == null ? Maps.newHashMap() : v);
 
                 registry.getEntrySet().forEach(entry -> {
                     @SuppressWarnings({"unchecked", "rawtypes"}) final int value = player.getStatHandler()
                             .getStat((StatType) stat.getValue(), entry.getValue());
                     if (value != 0) {
-                        map.put(entry.getKey().getValue().asString(), value);
+                        map.put(entry.getKey().getValue().toString(), value);
                     }
                 });
             });
@@ -510,7 +508,7 @@ public abstract class FabricData implements Data {
             Registries.CUSTOM_STAT.getEntrySet().forEach(stat -> {
                 final int value = player.getStatHandler().getStat(Stats.CUSTOM.getOrCreateStat(stat.getValue()));
                 if (value != 0) {
-                    generic.put(stat.getKey().getValue().asString(), value);
+                    generic.put(stat.getKey().getValue().toString(), value);
                 }
             });
 
@@ -593,7 +591,7 @@ public abstract class FabricData implements Data {
                         -1
                 )));
                 attributes.add(new Attribute(
-                        key.asString(),
+                        key.toString(),
                         instance.getBaseValue(),
                         modifiers
                 ));
@@ -602,7 +600,7 @@ public abstract class FabricData implements Data {
         }
 
         public Optional<Attribute> getAttribute(@NotNull EntityAttribute id) {
-            return Optional.ofNullable(Registries.ATTRIBUTE.getId(id)).map(Identifier::asString)
+            return Optional.ofNullable(Registries.ATTRIBUTE.getId(id)).map(Identifier::toString)
                     .flatMap(key -> attributes.stream().filter(attribute -> attribute.name().equals(key)).findFirst());
         }
 
@@ -769,7 +767,7 @@ public abstract class FabricData implements Data {
 
         @Override
         public void apply(@NotNull FabricUser user, @NotNull FabricHuskSync plugin) throws IllegalStateException {
-            user.getPlayer().interactionManager.changeGameMode(net.minecraft.world.GameMode.byName(gameMode));
+            user.getPlayer().changeGameMode(net.minecraft.world.GameMode.byName(gameMode));
         }
 
     }

fabric/src/main/java/net/william278/husksync/data/FabricSerializer.java

@@ -150,6 +150,7 @@ public abstract class FabricSerializer {
         int VERSION1_20_2 = 3578; // Future
         int VERSION1_20_4 = 3700; // Future
         int VERSION1_20_5 = 3837; // Future
+        int VERSION1_21 = 3953; // Future
 
         @NotNull
         default ItemStack[] getItems(@NotNull NbtCompound tag, @NotNull Version mcVersion, @NotNull FabricHuskSync plugin) {
@@ -158,15 +159,14 @@ public abstract class FabricSerializer {
                     return upgradeItemStacks(tag, mcVersion, plugin);
                 }
 
-                final int size = tag.getInt("size");
-                final NbtList items = tag.getList("items", NbtElement.COMPOUND_TYPE);
-                final ItemStack[] itemStacks = new ItemStack[size];
-                for (int i = 0; i < size; i++) {
-                    final NbtCompound compound = items.getCompound(i);
-                    final int slot = compound.getInt("Slot");
-                    itemStacks[slot] = ItemStack.fromNbt(compound);
-                }
-                return itemStacks;
+                final ItemStack[] contents = new ItemStack[tag.getInt("size")];
+                final NbtList itemList = tag.getList("items", NbtElement.COMPOUND_TYPE);
+                itemList.forEach(element -> {
+                    final NbtCompound compound = (NbtCompound) element;
+                    contents[compound.getInt("Slot")] = ItemStack.fromNbt(compound);
+                });
+                plugin.debug(Arrays.toString(contents));
+                return contents;
             } catch (Throwable e) {
                 throw new Serializer.DeserializationException("Failed to read item NBT string (%s)".formatted(tag), e);
             }
@@ -232,6 +232,7 @@ public abstract class FabricSerializer {
                 case "1.20.2" -> VERSION1_20_2; // Future
                 case "1.20.4" -> VERSION1_20_4; // Future
                 case "1.20.5", "1.20.6" -> VERSION1_20_5; // Future
+                case "1.21" -> VERSION1_21; // Future
                 default -> VERSION1_20_1; // Current supported ver
             };
         }

fabric/src/main/java/net/william278/husksync/event/ModLoadedCallback.java

@@ -17,13 +17,23 @@
  *  limitations under the License.
  */
 
-package net.william278.husksync.command;
+package net.william278.husksync.event;
 
-import net.william278.husksync.user.CommandUser;
+import net.fabricmc.fabric.api.event.Event;
+import net.fabricmc.fabric.api.event.EventFactory;
+import net.william278.husksync.api.HuskSyncAPI;
 import org.jetbrains.annotations.NotNull;
 
-public interface Executable {
+import java.util.Arrays;
 
-    void onExecuted(@NotNull CommandUser executor, @NotNull String[] args);
+public interface ModLoadedCallback {
+
+    @NotNull
+    Event<ModLoadedCallback> EVENT = EventFactory.createArrayBacked(
+            ModLoadedCallback.class,
+            (listeners) -> (api) -> Arrays.stream(listeners).forEach(listener -> listener.post(api))
+    );
+
+    void post(@NotNull HuskSyncAPI api);
 
 }

fabric/src/main/java/net/william278/husksync/listener/FabricEventListener.java

@@ -44,6 +44,7 @@ import net.minecraft.util.hit.BlockHitResult;
 import net.minecraft.util.hit.EntityHitResult;
 import net.minecraft.util.math.BlockPos;
 import net.minecraft.world.World;
+import net.william278.husksync.FabricHuskSync;
 import net.william278.husksync.HuskSync;
 import net.william278.husksync.config.Settings.SynchronizationSettings.SaveOnDeathSettings;
 import net.william278.husksync.data.FabricData;
@@ -53,8 +54,6 @@ import net.william278.husksync.user.OnlineUser;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
-import java.util.stream.Collectors;
-
 public class FabricEventListener extends EventListener implements LockedHandler {
 
     public FabricEventListener(@NotNull HuskSync plugin) {
@@ -68,7 +67,7 @@ public class FabricEventListener extends EventListener implements LockedHandler
         WorldSaveCallback.EVENT.register(this::handleWorldSave);
         PlayerDeathDropsCallback.EVENT.register(this::handlePlayerDeathDrops);
 
-        // TODO: Events of extra things to cancel if the player has not been set yet
+        // Locked events handling
         ItemPickupCallback.EVENT.register(this::handleItemPickup);
         ItemDropCallback.EVENT.register(this::handleItemDrop);
         UseBlockCallback.EVENT.register(this::handleBlockInteract);
@@ -82,22 +81,26 @@ public class FabricEventListener extends EventListener implements LockedHandler
 
     private void handlePlayerJoin(@NotNull ServerPlayNetworkHandler handler, @NotNull PacketSender sender,
                                   @NotNull MinecraftServer server) {
-        handlePlayerJoin(FabricUser.adapt(handler.player, plugin));
+        final FabricUser user = FabricUser.adapt(handler.player, plugin);
+        ((FabricHuskSync) plugin).getPlayerMap().put(handler.player.getUuid(), user);
+        handlePlayerJoin(user);
     }
 
     private void handlePlayerQuit(@NotNull ServerPlayNetworkHandler handler, @NotNull MinecraftServer server) {
+        ((FabricHuskSync) plugin).getPlayerMap().remove(handler.player.getUuid());
         handlePlayerQuit(FabricUser.adapt(handler.player, plugin));
     }
 
     private void handleWorldSave(@NotNull ServerWorld world) {
-        saveOnWorldSave(world.getPlayers().stream()
-                .map(player -> (OnlineUser) FabricUser.adapt(player, plugin)).collect(Collectors.toList()));
+        this.saveOnWorldSave(
+                world.getPlayers().stream().map(player -> (OnlineUser) FabricUser.adapt(player, plugin)).toList()
+        );
     }
 
     private void handlePlayerDeathDrops(@NotNull ServerPlayerEntity player, @Nullable ItemStack @NotNull [] toKeep,
                                         @Nullable ItemStack @NotNull [] toDrop) {
         final SaveOnDeathSettings settings = plugin.getSettings().getSynchronization().getSaveOnDeath();
-        saveOnPlayerDeath(
+        this.saveOnPlayerDeath(
                 FabricUser.adapt(player, plugin),
                 FabricData.Items.ItemArray.adapt(
                         settings.getItemsToSave() == SaveOnDeathSettings.DeathItemsMode.DROPS ? toDrop : toKeep

fabric/src/main/java/net/william278/husksync/mixins/ItemEntityMixin.java

@@ -20,22 +20,26 @@
 package net.william278.husksync.mixins;
 
 import net.minecraft.entity.ItemEntity;
-import net.minecraft.entity.player.PlayerInventory;
+import net.minecraft.entity.player.PlayerEntity;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.ActionResult;
 import net.william278.husksync.event.ItemPickupCallback;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.injection.At;
-import org.spongepowered.asm.mixin.injection.Redirect;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
 @Mixin(ItemEntity.class)
 public class ItemEntityMixin {
 
-    @Redirect(at = @At(value = "INVOKE", target = "Lnet/minecraft/entity/player/PlayerInventory;insertStack(Lnet/minecraft/item/ItemStack;)Z"),
-            method = "onPlayerCollision")
-    public boolean onPlayerCollision(PlayerInventory inventory, ItemStack stack) {
-        ActionResult result = ItemPickupCallback.EVENT.invoker().interact(inventory.player, stack);
-        return (result != ActionResult.FAIL && inventory.insertStack(stack));
+    @Inject(method = "onPlayerCollision", at = @At("HEAD"), cancellable = true)
+    private void onPlayerPickupItem(PlayerEntity player, CallbackInfo ci) {
+        final ItemStack stack = ((ItemEntity) (Object) this).getStack();
+        final ActionResult result = ItemPickupCallback.EVENT.invoker().interact(player, stack);
+
+        if (result == ActionResult.FAIL) {
+            ci.cancel();
+        }
     }
 
 }

fabric/src/main/java/net/william278/husksync/mixins/ServerPlayNetworkHandlerMixin.java

@@ -50,7 +50,7 @@ public abstract class ServerPlayNetworkHandlerMixin {
     @Inject(method = "onPlayerAction", at = @At("HEAD"), cancellable = true)
     public void onPlayerAction(PlayerActionC2SPacket packet, CallbackInfo ci) {
         if (packet.getAction() == PlayerActionC2SPacket.Action.DROP_ITEM
-                || packet.getAction() == PlayerActionC2SPacket.Action.DROP_ALL_ITEMS) {
+            || packet.getAction() == PlayerActionC2SPacket.Action.DROP_ALL_ITEMS) {
             ItemStack stack = player.getStackInHand(Hand.MAIN_HAND);
             ActionResult result = ItemDropCallback.EVENT.invoker().interact(player, stack);
 

fabric/src/main/java/net/william278/husksync/mixins/ServerPlayerEntityMixin.java

@@ -35,8 +35,8 @@ public class ServerPlayerEntityMixin {
     @Inject(method = "dropItem", at = @At("HEAD"), cancellable = true)
     private void onPlayerDropItem(ItemStack stack, boolean dropAtFeet, boolean saveThrower,
                                   final CallbackInfoReturnable<ItemEntity> ci) {
-        ServerPlayerEntity player = (ServerPlayerEntity) (Object) this;
-        ActionResult result = ItemDropCallback.EVENT.invoker().interact(player, stack);
+        final ServerPlayerEntity player = (ServerPlayerEntity) (Object) this;
+        final ActionResult result = ItemDropCallback.EVENT.invoker().interact(player, stack);
 
         if (result == ActionResult.FAIL) {
             ci.cancel();

fabric/src/main/java/net/william278/husksync/mixins/ServerWorldMixin.java

@@ -19,9 +19,12 @@
 
 package net.william278.husksync.mixins;
 
+import net.minecraft.server.MinecraftServer;
 import net.minecraft.server.world.ServerWorld;
 import net.william278.husksync.event.WorldSaveCallback;
+import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
@@ -29,8 +32,15 @@ import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 @Mixin(ServerWorld.class)
 public class ServerWorldMixin {
 
+    @Final
+    @Shadow
+    private MinecraftServer server;
+
     @Inject(method = "saveLevel", at = @At("HEAD"))
     public void saveLevel(CallbackInfo ci) {
+        if (server.isStopping() || server.isStopped()) {
+            return;
+        }
         WorldSaveCallback.EVENT.invoker().save((ServerWorld) (Object) this);
     }
 

fabric/src/main/java/net/william278/husksync/user/FabricUser.java

@@ -40,6 +40,7 @@ import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.function.Consumer;
+import java.util.logging.Level;
 
 public class FabricUser extends OnlineUser implements FabricUserDataHolder {
 
@@ -70,9 +71,12 @@ public class FabricUser extends OnlineUser implements FabricUserDataHolder {
     }
 
     @Override
+    @Deprecated(since = "3.6.7")
     public void sendToast(@NotNull MineDown title, @NotNull MineDown description, @NotNull String iconMaterial,
                           @NotNull String backgroundType) {
-        player.sendActionBar(title.toComponent()); // Toasts unimplemented for now
+        plugin.log(Level.WARNING, "Toast notifications are deprecated. " +
+                                  "Please change your notification display slot to CHAT, ACTION_BAR or NONE.");
+        this.sendActionBar(title);
     }
 
     @Override

fabric/src/main/java/net/william278/husksync/util/FabricTask.java

@@ -19,18 +19,21 @@
 
 package net.william278.husksync.util;
 
+import com.google.common.util.concurrent.ThreadFactoryBuilder;
 import net.william278.husksync.FabricHuskSync;
 import net.william278.husksync.HuskSync;
 import net.william278.husksync.data.UserDataHolder;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
-import java.util.concurrent.CompletableFuture;
-import java.util.concurrent.Executors;
-import java.util.concurrent.ScheduledFuture;
-import java.util.concurrent.TimeUnit;
+import java.util.concurrent.*;
 
 public interface FabricTask extends Task {
+    ScheduledExecutorService ASYNC_EXEC = Executors.newScheduledThreadPool(4,
+            new ThreadFactoryBuilder()
+                    .setDaemon(true)
+                    .setNameFormat("HuskSync-ThreadPool")
+                    .build());
 
     class Sync extends Task.Sync implements FabricTask {
 
@@ -46,7 +49,7 @@ public interface FabricTask extends Task {
         @Override
         public void run() {
             if (!cancelled) {
-                Executors.newSingleThreadScheduledExecutor().schedule(
+                ASYNC_EXEC.schedule(
                         () -> ((FabricHuskSync) getPlugin()).getMinecraftServer().executeSync(runnable),
                         delayTicks * 50,
                         TimeUnit.MILLISECONDS
@@ -73,7 +76,7 @@ public interface FabricTask extends Task {
         @Override
         public void run() {
             if (!cancelled) {
-                this.task = CompletableFuture.runAsync(runnable, ((FabricHuskSync) getPlugin()).getMinecraftServer());
+                this.task = CompletableFuture.runAsync(runnable, ASYNC_EXEC);
             }
         }
     }
@@ -97,7 +100,7 @@ public interface FabricTask extends Task {
         @Override
         public void run() {
             if (!cancelled) {
-                this.task = Executors.newSingleThreadScheduledExecutor().scheduleAtFixedRate(
+                this.task = ASYNC_EXEC.scheduleAtFixedRate(
                         runnable,
                         0,
                         repeatingTicks * 50,
@@ -129,7 +132,7 @@ public interface FabricTask extends Task {
 
         @Override
         default void cancelTasks() {
-            // Do nothing
+            ASYNC_EXEC.shutdownNow();
         }
 
     }

gradle.properties

@@ -3,16 +3,16 @@ org.gradle.jvmargs='-Dfile.encoding=UTF-8'
 org.gradle.daemon=true
 javaVersion=17
 
-plugin_version=3.6
+plugin_version=3.6.8
 plugin_archive=husksync
 plugin_description=A modern, cross-server player data synchronization system
 
-jedis_version=5.1.3
-mysql_driver_version=8.4.0
-mariadb_driver_version=3.4.0
+jedis_version=5.1.4
+mysql_driver_version=9.0.0
+mariadb_driver_version=3.4.1
 postgres_driver_version=42.7.3
-mongodb_driver_version=5.1.0
-snappy_version=1.1.10.5
+mongodb_driver_version=5.1.2
+snappy_version=1.1.10.6
 
 fabric_minecraft_version=1.20.1
 fabric_loader_version=0.15.11

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.6-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.8-bin.zip
 networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew

@@ -83,7 +83,8 @@ done
 # This is normally unused
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
@@ -130,10 +131,13 @@ location of your Java installation."
     fi
 else
     JAVACMD=java
-    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+    if ! command -v java >/dev/null 2>&1
+    then
+        die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
 
 Please set the JAVA_HOME variable in your environment to match the
 location of your Java installation."
+    fi
 fi
 
 # Increase the maximum file descriptors if we can.
@@ -141,7 +145,7 @@ if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
         # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045
+        # shellcheck disable=SC2039,SC3045
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
@@ -149,7 +153,7 @@ if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
       '' | soft) :;; #(
       *)
         # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045
+        # shellcheck disable=SC2039,SC3045
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
@@ -198,11 +202,11 @@ fi
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
 
-# Collect all arguments for the java command;
-#   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
-#     shell script including quotes and variable substitutions, so put them in
-#     double quotes to make sure that they get re-expanded; and
-#   * put everything else in single quotes, so that it's not re-expanded.
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \

gradlew.bat

@@ -43,11 +43,11 @@ set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
 if %ERRORLEVEL% equ 0 goto execute
 
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
@@ -57,11 +57,11 @@ set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
 if exist "%JAVA_EXE%" goto execute
 
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 

paper/build.gradle

@@ -1,12 +1,18 @@
+plugins {
+    id 'xyz.jpenilla.run-paper' version '2.3.0'
+}
+
 dependencies {
     implementation project(':bukkit')
     compileOnly project(':common')
 
+    implementation 'net.william278.uniform:uniform-paper:1.2.1'
+
     compileOnly 'io.papermc.paper:paper-api:1.19.4-R0.1-SNAPSHOT'
     compileOnly 'org.jetbrains:annotations:24.1.0'
-    compileOnly 'org.projectlombok:lombok:1.18.32'
+    compileOnly 'org.projectlombok:lombok:1.18.34'
 
-    annotationProcessor 'org.projectlombok:lombok:1.18.32'
+    annotationProcessor 'org.projectlombok:lombok:1.18.34'
 }
 
 shadowJar {
@@ -24,20 +30,25 @@ shadowJar {
     relocate 'org.intellij', 'net.william278.husksync.libraries'
     relocate 'com.zaxxer', 'net.william278.husksync.libraries'
     relocate 'de.exlll', 'net.william278.husksync.libraries'
+    relocate 'net.william278.uniform', 'net.william278.husksync.libraries.uniform'
     relocate 'net.william278.desertwell', 'net.william278.husksync.libraries.desertwell'
     relocate 'net.william278.paginedown', 'net.william278.husksync.libraries.paginedown'
     relocate 'net.william278.mapdataapi', 'net.william278.husksync.libraries.mapdataapi'
-    relocate 'net.william278.andjam', 'net.william278.husksync.libraries.andjam'
     relocate 'net.william278.mpdbconverter', 'net.william278.husksync.libraries.mpdbconverter'
     relocate 'net.william278.hslmigrator', 'net.william278.husksync.libraries.hslconverter'
     relocate 'org.json', 'net.william278.husksync.libraries.json'
     relocate 'net.querz', 'net.william278.husksync.libraries.nbtparser'
     relocate 'net.roxeez', 'net.william278.husksync.libraries'
-    relocate 'me.lucko.commodore', 'net.william278.husksync.libraries.commodore'
     relocate 'org.bstats', 'net.william278.husksync.libraries.bstats'
     relocate 'dev.triumphteam.gui', 'net.william278.husksync.libraries.triumphgui'
     relocate 'space.arim.morepaperlib', 'net.william278.husksync.libraries.paperlib'
     relocate 'de.tr7zw.changeme.nbtapi', 'net.william278.husksync.libraries.nbtapi'
 
     minimize()
+}
+
+tasks {
+    runServer {
+        minecraftVersion('1.21.1')
+    }
 }

paper/src/main/java/net/william278/husksync/PaperHuskSync.java

@@ -22,6 +22,8 @@ package net.william278.husksync;
 import net.kyori.adventure.audience.Audience;
 import net.william278.husksync.listener.BukkitEventListener;
 import net.william278.husksync.listener.PaperEventListener;
+import net.william278.uniform.Uniform;
+import net.william278.uniform.paper.PaperUniform;
 import org.bukkit.entity.Player;
 import org.jetbrains.annotations.NotNull;
 
@@ -43,4 +45,9 @@ public class PaperHuskSync extends BukkitHuskSync {
         return player == null || !player.isOnline() ? Audience.empty() : player;
     }
 
+    @Override
+    @NotNull
+    public Uniform getUniform() {
+        return PaperUniform.getInstance(this);
+    }
 }

test/requirements.txt

@@ -1,7 +1,7 @@
-certifi==2023.7.22
+certifi==2024.7.4
 charset-normalizer==3.2.0
 colorama==0.4.6
 idna==3.7
 requests==2.32.0
 tqdm==4.66.3
-urllib3==2.0.7
+urllib3==2.2.2

test/spin_network.py

@@ -13,7 +13,7 @@ from tqdm import tqdm
 class Parameters:
     root_dir = './servers/'
     proxy_version = "1.21"
-    minecraft_version = '1.21'
+    minecraft_version = '1.21.1'
     eula_agreement = 'true'
 
     backend_names = ['alpha', 'beta']
@@ -33,7 +33,7 @@ class Parameters:
     proxy_plugins = []
     proxy_plugin_folders = []
 
-    just_update_plugins = True
+    just_update_plugins = False
 
 
 def main(update=False):