Platform and Sponge changes

bukkit/src/main/java/us/myles/ViaVersion/bukkit/platform/BukkitViaLoader.java

@@ -1,10 +1,11 @@
 package us.myles.ViaVersion.bukkit.platform;
 
-import lombok.AllArgsConstructor;
 import org.bukkit.Bukkit;
 import org.bukkit.event.EventHandler;
+import org.bukkit.event.HandlerList;
 import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerQuitEvent;
+import org.bukkit.scheduler.BukkitTask;
 import us.myles.ViaVersion.ViaVersionPlugin;
 import us.myles.ViaVersion.api.Via;
 import us.myles.ViaVersion.api.data.UserConnection;
@@ -21,43 +22,60 @@ import us.myles.ViaVersion.protocols.protocol1_9to1_8.providers.BulkChunkTransla
 import us.myles.ViaVersion.protocols.protocol1_9to1_8.providers.HandItemProvider;
 import us.myles.ViaVersion.protocols.protocol1_9to1_8.providers.MovementTransmitterProvider;
 
+import java.util.HashSet;
+import java.util.Set;
 import java.util.UUID;
 import java.util.concurrent.Callable;
 import java.util.concurrent.TimeUnit;
 
-@AllArgsConstructor
 public class BukkitViaLoader implements ViaPlatformLoader {
     private ViaVersionPlugin plugin;
 
+    private Set<Listener> listeners = new HashSet<>();
+    private Set<BukkitTask> tasks = new HashSet<>();
+
+    public BukkitViaLoader(ViaVersionPlugin plugin) {
+        this.plugin = plugin;
+    }
+
+    public void registerListener(Listener listener) {
+        Bukkit.getPluginManager().registerEvents(storeListener(listener), plugin);
+    }
+
+    public <T extends Listener> T storeListener(T listener) {
+        listeners.add(listener);
+        return listener;
+    }
+
     @Override
     public void load() {
         // Update Listener
-        Bukkit.getPluginManager().registerEvents(new UpdateListener(), plugin);
+        registerListener(new UpdateListener());
 
         /* Base Protocol */
         final ViaVersionPlugin plugin = (ViaVersionPlugin) Bukkit.getPluginManager().getPlugin("ViaVersion");
 
-        Bukkit.getPluginManager().registerEvents(new Listener() {
+        registerListener(new Listener() {
             @EventHandler
             public void onPlayerQuit(PlayerQuitEvent e) {
                 Via.getManager().removePortedClient(e.getPlayer().getUniqueId());
             }
-        }, plugin);
+        });
 
         /* 1.9 client to 1.8 server */
 
-        new ArmorListener(plugin).register();
+        storeListener(new ArmorListener(plugin)).register();
-        new DeathListener(plugin).register();
+        storeListener(new DeathListener(plugin)).register();
-        new BlockListener(plugin).register();
+        storeListener(new BlockListener(plugin)).register();
 
         if (Bukkit.getVersion().toLowerCase().contains("paper")
                 || Bukkit.getVersion().toLowerCase().contains("taco")
                 || Bukkit.getVersion().toLowerCase().contains("torch")) {
             plugin.getLogger().info("Enabling PaperSpigot/TacoSpigot/Torch patch: Fixes block placement.");
-            new PaperPatch(plugin).register();
+            storeListener(new PaperPatch(plugin)).register();
         }
         if (plugin.getConf().isItemCache()) {
-            new HandItemCache().runTaskTimerAsynchronously(plugin, 2L, 2L); // Updates player's items :)
+            tasks.add(new HandItemCache().runTaskTimerAsynchronously(plugin, 2L, 2L)); // Updates player's items :)
             HandItemCache.CACHE = true;
         }
 
@@ -95,4 +113,17 @@ public class BukkitViaLoader implements ViaPlatformLoader {
         });
 
     }
+
+    @Override
+    public void unload() {
+        // todo restore providers
+        for (Listener listener : listeners) {
+            HandlerList.unregisterAll(listener);
+        }
+        listeners.clear();
+        for (BukkitTask task : tasks) {
+            task.cancel();
+        }
+        tasks.clear();
+    }
 }

bungee/src/main/java/us/myles/ViaVersion/bungee/platform/BungeeViaLoader.java

@@ -1,7 +1,8 @@
 package us.myles.ViaVersion.bungee.platform;
 
-import lombok.AllArgsConstructor;
 import net.md_5.bungee.api.ProxyServer;
+import net.md_5.bungee.api.plugin.Listener;
+import net.md_5.bungee.api.scheduler.ScheduledTask;
 import us.myles.ViaVersion.BungeePlugin;
 import us.myles.ViaVersion.api.Via;
 import us.myles.ViaVersion.api.platform.ViaPlatformLoader;
@@ -19,20 +20,33 @@ import us.myles.ViaVersion.protocols.protocol1_9to1_8.providers.BossBarProvider;
 import us.myles.ViaVersion.protocols.protocol1_9to1_8.providers.EntityIdProvider;
 import us.myles.ViaVersion.protocols.protocol1_9to1_8.providers.MovementTransmitterProvider;
 
+import java.util.HashSet;
+import java.util.Set;
 import java.util.concurrent.TimeUnit;
 
-@AllArgsConstructor
 public class BungeeViaLoader implements ViaPlatformLoader {
     private BungeePlugin plugin;
 
+    private Set<Listener> listeners = new HashSet<>();
+    private Set<ScheduledTask> tasks = new HashSet<>();
+
+    public BungeeViaLoader(BungeePlugin plugin) {
+        this.plugin = plugin;
+    }
+
+    private void registerListener(Listener listener) {
+        listeners.add(listener);
+        ProxyServer.getInstance().getPluginManager().registerListener(plugin, listener);
+    }
+
     @Override
     public void load() {
         // Listeners
-        ProxyServer.getInstance().getPluginManager().registerListener(plugin, plugin);
+        registerListener(plugin);
-        ProxyServer.getInstance().getPluginManager().registerListener(plugin, new UpdateListener());
+        registerListener(new UpdateListener());
-        ProxyServer.getInstance().getPluginManager().registerListener(plugin, new BungeeServerHandler());
+        registerListener(new BungeeServerHandler());
-        ProxyServer.getInstance().getPluginManager().registerListener(plugin, new MainHandPatch());
+        registerListener(new MainHandPatch());
-        ProxyServer.getInstance().getPluginManager().registerListener(plugin, new ElytraPatch());
+        registerListener(new ElytraPatch());
 
         // Providers
         Via.getManager().getProviders().use(MovementTransmitterProvider.class, new BungeeMovementTransmitter());
@@ -41,7 +55,24 @@ public class BungeeViaLoader implements ViaPlatformLoader {
         Via.getManager().getProviders().use(BossBarProvider.class, new BungeeBossBarProvider());
 
         if (plugin.getConf().getBungeePingInterval() > 0) {
-            plugin.getProxy().getScheduler().schedule(plugin, new ProtocolDetectorService(plugin), 0, plugin.getConf().getBungeePingInterval(), TimeUnit.SECONDS);
+            tasks.add(plugin.getProxy().getScheduler().schedule(
+                    plugin,
+                    new ProtocolDetectorService(plugin),
+                    0, plugin.getConf().getBungeePingInterval(),
+                    TimeUnit.SECONDS
+            ));
         }
     }
+
+    @Override
+    public void unload() {
+        for (Listener listener : listeners) {
+            ProxyServer.getInstance().getPluginManager().unregisterListener(listener);
+        }
+        listeners.clear();
+        for (ScheduledTask task : tasks) {
+            task.cancel();
+        }
+        tasks.clear();
+    }
 }

common/src/main/java/us/myles/ViaVersion/ViaManager.java

@@ -102,6 +102,9 @@ public class ViaManager {
             getPlatform().getLogger().severe("ViaVersion failed to uninject:");
             e.printStackTrace();
         }
+
+        // Unload
+        loader.unload();
     }
 
     public void addPortedClient(UserConnection info) {

common/src/main/java/us/myles/ViaVersion/api/platform/ViaPlatformLoader.java

@@ -5,4 +5,6 @@ public interface ViaPlatformLoader {
      * Initialise the loading for a platform, eg. registering listeners / providers / events etc.
      */
     void load();
+
+    void unload();
 }

sponge/src/main/java/us/myles/ViaVersion/SpongePlugin.java

@@ -2,14 +2,19 @@ package us.myles.ViaVersion;
 
 import com.google.gson.JsonObject;
 import com.google.inject.Inject;
+import lombok.Getter;
+import net.md_5.bungee.api.chat.TextComponent;
+import net.md_5.bungee.chat.ComponentSerializer;
 import org.spongepowered.api.Game;
 import org.spongepowered.api.config.DefaultConfig;
 import org.spongepowered.api.entity.living.player.Player;
 import org.spongepowered.api.event.Listener;
 import org.spongepowered.api.event.game.state.GameAboutToStartServerEvent;
+import org.spongepowered.api.event.game.state.GameInitializationEvent;
+import org.spongepowered.api.event.game.state.GameStoppingServerEvent;
 import org.spongepowered.api.plugin.Plugin;
 import org.spongepowered.api.plugin.PluginContainer;
-import org.spongepowered.api.scheduler.SpongeExecutorService;
+import org.spongepowered.api.scheduler.Task;
 import org.spongepowered.api.text.serializer.TextSerializers;
 import us.myles.ViaVersion.api.Via;
 import us.myles.ViaVersion.api.ViaAPI;
@@ -37,8 +42,7 @@ import java.util.logging.Logger;
         name = "ViaVersion",
         version = VersionInfo.VERSION,
         authors = {"_MylesC", "Matsv"},
-        description = "Allow newer Minecraft versions to connect to an older server version.",
+        description = "Allow newer Minecraft versions to connect to an older server version."
-        dependencies = {}
 )
 public class SpongePlugin implements ViaPlatform {
     @Inject
@@ -52,22 +56,20 @@ public class SpongePlugin implements ViaPlatform {
     private File defaultConfig;
 
     private SpongeViaAPI api = new SpongeViaAPI();
-    private SpongeExecutorService asyncExecutor;
-    private SpongeExecutorService syncExecutor;
     private SpongeConfigAPI conf;
+
+    @Getter
     private Logger logger;
 
     @Listener
-    public void onServerStart(GameAboutToStartServerEvent event) {
+    public void onGameStart(GameInitializationEvent event) {
         // Setup Logger
         logger = new LoggerWrapper(container.getLogger());
         // Setup Plugin
         conf = new SpongeConfigAPI(container, defaultConfig.getParentFile());
-        syncExecutor = game.getScheduler().createSyncExecutor(this);
-        asyncExecutor = game.getScheduler().createAsyncExecutor(this);
         SpongeCommandHandler commandHandler = new SpongeCommandHandler();
-        game.getCommandManager().register(this, commandHandler, Arrays.asList("viaversion", "viaver", "vvsponge"));
+        game.getCommandManager().register(this, commandHandler, "viaversion", "viaver", "vvsponge");
-        getLogger().info("ViaVersion " + getPluginVersion() + " is now loaded, injecting!");
+        getLogger().info("ViaVersion " + getPluginVersion() + " is now loaded!");
         // Init platform
         Via.init(ViaManager.builder()
                 .platform(this)
@@ -75,14 +77,18 @@ public class SpongePlugin implements ViaPlatform {
                 .injector(new SpongeViaInjector())
                 .loader(new SpongeViaLoader(this))
                 .build());
+    }
 
+    @Listener
+    public void onServerStart(GameAboutToStartServerEvent event) {
         // Inject!
+        logger.info("ViaVersion is injecting!");
         Via.getManager().init();
     }
 
-    @Override
+    @Listener
-    public Logger getLogger() {
+    public void onServerStop(GameStoppingServerEvent event) {
-        return logger;
+        Via.getManager().destroy();
     }
 
     @Override
@@ -102,26 +108,41 @@ public class SpongePlugin implements ViaPlatform {
 
     @Override
     public TaskId runAsync(Runnable runnable) {
-        asyncExecutor.execute(runnable);
+        return new SpongeTaskId(
-        return new SpongeTaskId(null);
+                Task.builder()
+                        .execute(runnable)
+                        .async()
+                        .submit(this)
+        );
     }
 
     @Override
     public TaskId runSync(Runnable runnable) {
-        syncExecutor.execute(runnable);
+        return new SpongeTaskId(
-        return new SpongeTaskId(null);
+                Task.builder()
+                        .execute(runnable)
+                        .submit(this)
+        );
     }
 
     @Override
     public TaskId runSync(Runnable runnable, Long ticks) {
-        Long delay = ticks * 50L;
+        return new SpongeTaskId(
-        return new SpongeTaskId(syncExecutor.schedule(runnable, delay, TimeUnit.MILLISECONDS).getTask());
+                Task.builder()
+                        .execute(runnable)
+                        .delayTicks(ticks)
+                        .submit(this)
+        );
     }
 
     @Override
     public TaskId runRepeatingSync(Runnable runnable, Long ticks) {
-        Long time = ticks * 50L;
+        return new SpongeTaskId(
-        return new SpongeTaskId(syncExecutor.scheduleAtFixedRate(runnable, time, time, TimeUnit.MILLISECONDS).getTask());
+                Task.builder()
+                        .execute(runnable)
+                        .intervalTicks(ticks)
+                        .submit(this)
+        );
     }
 
     @Override
@@ -145,21 +166,24 @@ public class SpongePlugin implements ViaPlatform {
 
     @Override
     public void sendMessage(UUID uuid, String message) {
-        for (Player player : game.getServer().getOnlinePlayers()) {
+        game.getServer().getPlayer(uuid)
-            if (player.getUniqueId().equals(uuid))
+                .ifPresent(player ->
-                player.sendMessage(TextSerializers.LEGACY_FORMATTING_CODE.deserialize(message));
+                        player.sendMessage(
-        }
+                                TextSerializers.JSON.deserialize(
+                                        ComponentSerializer.toString(
+                                                TextComponent.fromLegacyText(message) // Hacky way to fix links
+                                        )
+                                )
+                        )
+                );
     }
 
     @Override
     public boolean kickPlayer(UUID uuid, String message) {
-        for (Player player : game.getServer().getOnlinePlayers()) {
+        return game.getServer().getPlayer(uuid).map(player -> {
-            if (player.getUniqueId().equals(uuid)) {
             player.kick(TextSerializers.LEGACY_FORMATTING_CODE.deserialize(message));
             return true;
-            }
+        }).orElse(false);
-        }
-        return false;
     }
 
     @Override

sponge/src/main/java/us/myles/ViaVersion/sponge/commands/SpongeCommandSender.java

@@ -1,9 +1,11 @@
 package us.myles.ViaVersion.sponge.commands;
 
 import lombok.AllArgsConstructor;
+import net.md_5.bungee.api.chat.TextComponent;
+import net.md_5.bungee.chat.ComponentSerializer;
 import org.spongepowered.api.command.CommandSource;
-import org.spongepowered.api.entity.living.player.Player;
 import org.spongepowered.api.text.serializer.TextSerializers;
+import org.spongepowered.api.util.Identifiable;
 import us.myles.ViaVersion.api.command.ViaCommandSender;
 
 import java.util.UUID;
@@ -19,16 +21,23 @@ public class SpongeCommandSender implements ViaCommandSender {
 
     @Override
     public void sendMessage(String msg) {
-        source.sendMessage(TextSerializers.LEGACY_FORMATTING_CODE.deserialize(msg));
+        source.sendMessage(
+                TextSerializers.JSON.deserialize(
+                        ComponentSerializer.toString(
+                                TextComponent.fromLegacyText(msg) // Hacky way to fix links
+                        )
+                )
+        );
     }
 
     @Override
     public UUID getUUID() {
-        if (source instanceof Player) {
+        if (source instanceof Identifiable) {
-            return ((Player) source).getUniqueId();
+            return ((Identifiable) source).getUniqueId();
         } else {
             return UUID.fromString(getName());
         }
+
     }
 
     @Override

sponge/src/main/java/us/myles/ViaVersion/sponge/handlers/SpongeChannelInitializer.java

@@ -5,18 +5,20 @@ import io.netty.channel.ChannelInitializer;
 import io.netty.channel.socket.SocketChannel;
 import io.netty.handler.codec.ByteToMessageDecoder;
 import io.netty.handler.codec.MessageToByteEncoder;
+import lombok.Getter;
 import us.myles.ViaVersion.api.data.UserConnection;
 import us.myles.ViaVersion.api.protocol.ProtocolPipeline;
 import us.myles.ViaVersion.api.protocol.ProtocolRegistry;
 
 import java.lang.reflect.Method;
 
-public class SpongeChannelInitializer extends ChannelInitializer<SocketChannel> {
+public class SpongeChannelInitializer extends ChannelInitializer<Channel> {
 
-    private final ChannelInitializer<SocketChannel> original;
+    @Getter
+    private final ChannelInitializer<Channel> original;
     private Method method;
 
-    public SpongeChannelInitializer(ChannelInitializer<SocketChannel> oldInit) {
+    public SpongeChannelInitializer(ChannelInitializer<Channel> oldInit) {
         this.original = oldInit;
         try {
             this.method = ChannelInitializer.class.getDeclaredMethod("initChannel", Channel.class);
@@ -26,29 +28,27 @@ public class SpongeChannelInitializer extends ChannelInitializer<SocketChannel>
         }
     }
 
-    public ChannelInitializer<SocketChannel> getOriginal() {
-        return original;
-    }
 
     @Override
-    protected void initChannel(SocketChannel socketChannel) throws Exception {
+    protected void initChannel(Channel channel) throws Exception {
         // Ensure ViaVersion is loaded
-        if (ProtocolRegistry.SERVER_PROTOCOL != -1) {
+        if (ProtocolRegistry.SERVER_PROTOCOL != -1
-            UserConnection info = new UserConnection(socketChannel);
+                && channel instanceof SocketChannel) { // channel can be LocalChannel on internal server
+            UserConnection info = new UserConnection((SocketChannel) channel);
             // init protocol
             new ProtocolPipeline(info);
             // Add originals
-            this.method.invoke(this.original, socketChannel);
+            this.method.invoke(this.original, channel);
             // Add our transformers
-            MessageToByteEncoder encoder = new SpongeEncodeHandler(info, (MessageToByteEncoder) socketChannel.pipeline().get("encoder"));
+            MessageToByteEncoder encoder = new SpongeEncodeHandler(info, (MessageToByteEncoder) channel.pipeline().get("encoder"));
-            ByteToMessageDecoder decoder = new SpongeDecodeHandler(info, (ByteToMessageDecoder) socketChannel.pipeline().get("decoder"));
+            ByteToMessageDecoder decoder = new SpongeDecodeHandler(info, (ByteToMessageDecoder) channel.pipeline().get("decoder"));
             SpongePacketHandler chunkHandler = new SpongePacketHandler(info);
 
-            socketChannel.pipeline().replace("encoder", "encoder", encoder);
+            channel.pipeline().replace("encoder", "encoder", encoder);
-            socketChannel.pipeline().replace("decoder", "decoder", decoder);
+            channel.pipeline().replace("decoder", "decoder", decoder);
-            socketChannel.pipeline().addAfter("packet_handler", "viaversion_packet_handler", chunkHandler);
+            channel.pipeline().addAfter("packet_handler", "viaversion_packet_handler", chunkHandler);
         } else {
-            this.method.invoke(this.original, socketChannel);
+            this.method.invoke(this.original, channel);
         }
     }
 }

sponge/src/main/java/us/myles/ViaVersion/sponge/platform/SpongeViaInjector.java

@@ -1,9 +1,9 @@
 package us.myles.ViaVersion.sponge.platform;
 
+import io.netty.channel.Channel;
 import io.netty.channel.ChannelFuture;
 import io.netty.channel.ChannelHandler;
 import io.netty.channel.ChannelInitializer;
-import io.netty.channel.socket.SocketChannel;
 import org.spongepowered.api.MinecraftVersion;
 import org.spongepowered.api.Sponge;
 import us.myles.ViaVersion.api.Pair;
@@ -86,7 +86,7 @@ public class SpongeViaInjector implements ViaInjector {
                 bootstrapAcceptor = future.channel().pipeline().first();
             }
             try {
-                ChannelInitializer<SocketChannel> oldInit = ReflectionUtil.get(bootstrapAcceptor, "childHandler", ChannelInitializer.class);
+                ChannelInitializer<Channel> oldInit = ReflectionUtil.get(bootstrapAcceptor, "childHandler", ChannelInitializer.class);
                 ChannelInitializer newInit = new SpongeChannelInitializer(oldInit);
 
                 ReflectionUtil.set(bootstrapAcceptor, "childHandler", newInit);
@@ -111,7 +111,7 @@ public class SpongeViaInjector implements ViaInjector {
             for (String name : names) {
                 ChannelHandler handler = future.channel().pipeline().get(name);
                 try {
-                    ChannelInitializer<SocketChannel> oldInit = ReflectionUtil.get(handler, "childHandler", ChannelInitializer.class);
+                    ChannelInitializer<Channel> oldInit = ReflectionUtil.get(handler, "childHandler", ChannelInitializer.class);
                     if (oldInit instanceof SpongeChannelInitializer) {
                         bootstrapAcceptor = handler;
                     }
@@ -125,7 +125,7 @@ public class SpongeViaInjector implements ViaInjector {
             }
 
             try {
-                ChannelInitializer<SocketChannel> oldInit = ReflectionUtil.get(bootstrapAcceptor, "childHandler", ChannelInitializer.class);
+                ChannelInitializer<Channel> oldInit = ReflectionUtil.get(bootstrapAcceptor, "childHandler", ChannelInitializer.class);
                 if (oldInit instanceof SpongeChannelInitializer) {
                     ReflectionUtil.set(bootstrapAcceptor, "childHandler", ((SpongeChannelInitializer) oldInit).getOriginal());
                 }

sponge/src/main/java/us/myles/ViaVersion/sponge/platform/SpongeViaLoader.java

@@ -1,11 +1,11 @@
 package us.myles.ViaVersion.sponge.platform;
 
-import lombok.AllArgsConstructor;
 import org.spongepowered.api.Sponge;
 import us.myles.ViaVersion.SpongePlugin;
 import us.myles.ViaVersion.api.Via;
 import us.myles.ViaVersion.api.data.UserConnection;
 import us.myles.ViaVersion.api.minecraft.item.Item;
+import us.myles.ViaVersion.api.platform.TaskId;
 import us.myles.ViaVersion.api.platform.ViaPlatformLoader;
 import us.myles.ViaVersion.protocols.base.ProtocolInfo;
 import us.myles.ViaVersion.protocols.protocol1_9to1_8.providers.BulkChunkTranslatorProvider;
@@ -21,28 +21,47 @@ import us.myles.ViaVersion.sponge.listeners.protocol1_9to1_8.sponge5.Sponge5Armo
 import us.myles.ViaVersion.sponge.providers.SpongeViaBulkChunkTranslator;
 import us.myles.ViaVersion.sponge.providers.SpongeViaMovementTransmitter;
 
-@AllArgsConstructor
+import java.util.HashSet;
+import java.util.Set;
+
 public class SpongeViaLoader implements ViaPlatformLoader {
+
     private SpongePlugin plugin;
 
+    private Set<Object> listeners = new HashSet<>();
+    private Set<TaskId> tasks = new HashSet<>();
+
+    public SpongeViaLoader(SpongePlugin plugin) {
+        this.plugin = plugin;
+    }
+
+    private void registerListener(Object listener) {
+        Sponge.getEventManager().registerListeners(plugin, storeListener(listener));
+    }
+
+    private <T> T storeListener(T listener) {
+        listeners.add(listener);
+        return listener;
+    }
+
     @Override
     public void load() {
         // Update Listener
-        Sponge.getEventManager().registerListeners(plugin, new UpdateListener());
+        registerListener(new UpdateListener());
         /* Base Protocol */
-        Sponge.getEventManager().registerListeners(plugin, new ClientLeaveListener());
+        registerListener(new ClientLeaveListener());
         /* 1.9 client to 1.8 server */
         try {
             Class.forName("org.spongepowered.api.event.entity.DisplaceEntityEvent");
-            new Sponge4ArmorListener().register();
+            storeListener(new Sponge4ArmorListener()).register();
         } catch (ClassNotFoundException e) {
-            new Sponge5ArmorListener(plugin).register();
+            storeListener(new Sponge5ArmorListener(plugin)).register();
         }
-        new DeathListener(plugin).register();
+        storeListener(new DeathListener(plugin)).register();
-        new BlockListener(plugin).register();
+        storeListener(new BlockListener(plugin)).register();
 
         if (plugin.getConf().isItemCache()) {
-            Via.getPlatform().runRepeatingSync(new HandItemCache(), 2L); // Updates players items :)
+            tasks.add(Via.getPlatform().runRepeatingSync(new HandItemCache(), 2L)); // Updates players items :)
             HandItemCache.CACHE = true;
         }
 
@@ -60,4 +79,12 @@ public class SpongeViaLoader implements ViaPlatformLoader {
             }
         });
     }
+
+    public void unload() {
+        // todo restore providers
+        listeners.forEach(Sponge.getEventManager()::unregisterListeners);
+        listeners.clear();
+        tasks.forEach(Via.getPlatform()::cancelTask);
+        tasks.clear();
+    }
 }