PersistentVelocityCore

build.gradle

@@ -21,19 +21,23 @@ plugins {
     id 'java'
     id 'application'
 
-    id 'com.github.johnrengelman.shadow' version '5.0.0'
+    id 'com.github.johnrengelman.shadow' version '8.1.1'
     id 'de.steamwar.gradle' version 'RELEASE'
 }
 
 group 'de.steamwar'
 version ''
 
-mainClassName = ''
-
 compileJava.options.encoding = 'UTF-8'
 
-sourceCompatibility = 1.11
-targetCompatibility = 1.11
+application {
+    mainClassName = ''
+}
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
+}
 
 sourceSets {
     main {
@@ -50,6 +54,13 @@ sourceSets {
 
 repositories {
     mavenCentral()
+    maven {
+        name = 'papermc'
+        url = 'https://repo.papermc.io/repository/maven-public/'
+    }
+    maven {
+        url = 'https://repo.fvdh.dev/releases'
+    }
 }
 
 dependencies {
@@ -58,7 +69,10 @@ dependencies {
     annotationProcessor 'org.projectlombok:lombok:1.18.22'
     testAnnotationProcessor 'org.projectlombok:lombok:1.18.22'
 
-    compileOnly swdep("waterfall")
+    compileOnly 'com.velocitypowered:velocity-api:3.3.0-SNAPSHOT'
+    annotationProcessor 'com.velocitypowered:velocity-api:3.3.0-SNAPSHOT'
+    compileOnly 'com.velocitypowered:velocity-proxy:3.3.0-SNAPSHOT'
+    compileOnly 'net.frankheijden.serverutils:ServerUtils:3.5.4'
 }
 
 steamwar {

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

settings.gradle

@@ -26,4 +26,4 @@ pluginManagement {
     }
 }
 
-rootProject.name = 'PersistentBungeeCore'
+rootProject.name = 'PersistentVelocityCore'

src/de/steamwar/bungeecore/Arenaserver.java

@@ -15,5 +15,4 @@ public class Arenaserver extends Subserver {
         this.map = map;
         this.allowMerge = allowMerge;
     }
-
 }

src/de/steamwar/bungeecore/Persistent.java

@@ -19,71 +19,62 @@
 
 package de.steamwar.bungeecore;
 
-import de.steamwar.persistent.Reflection;
-import net.md_5.bungee.api.CommandSender;
-import de.steamwar.persistent.ModifiedPluginEventBus;
+import com.google.inject.Inject;
+import com.velocitypowered.api.command.BrigadierCommand;
+import com.velocitypowered.api.event.Subscribe;
+import com.velocitypowered.api.event.proxy.ProxyInitializeEvent;
+import com.velocitypowered.api.event.proxy.ProxyShutdownEvent;
+import com.velocitypowered.api.plugin.Plugin;
+import com.velocitypowered.api.proxy.ProxyServer;
 import de.steamwar.persistent.PluginUtils;
-import net.md_5.bungee.api.chat.TextComponent;
-import net.md_5.bungee.api.plugin.Command;
-import net.md_5.bungee.api.plugin.Plugin;
-import net.md_5.bungee.api.plugin.PluginDescription;
-import net.md_5.bungee.api.plugin.PluginManager;
-import net.md_5.bungee.event.EventBus;
+import lombok.Getter;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.format.NamedTextColor;
 
-import java.io.File;
-import java.util.Map;
-import java.util.logging.Level;
+import java.util.logging.Logger;
 
-public class Persistent extends Plugin {
+@Plugin(id = "persistentvelocitycore", name = "PersistentVelocityCore", version = "1.0", description = "PersistentVelocityCore", authors = {"SteamWar"})
+public class Persistent {
 
-    public static final String PREFIX = "§eSteam§8War» ";
+    public static final Component PREFIX = Component.text("Steam").color(NamedTextColor.YELLOW)
+            .append(Component.text("War»").color(NamedTextColor.DARK_GRAY))
+            .appendSpace();
 
-    private static final Reflection.FieldAccessor<EventBus> eventBus = Reflection.getField(PluginManager.class, "eventBus", EventBus.class);
+    @Getter
+    private static Persistent instance;
 
-    @Override
-    public void onLoad() {
-        eventBus.set(getProxy().getPluginManager(), new ModifiedPluginEventBus());
+    @Inject
+    public Persistent(ProxyServer proxyServer, Logger logger) {
+        instance = this;
+        this.proxyServer = proxyServer;
+        this.logger = logger;
     }
 
-    @Override
-    public void onEnable(){
-        getProxy().getPluginManager().registerCommand(this, new Command("softreload", "bungeecore.softreload") {
-            @Override
-            public void execute(CommandSender sender, String[] args) {
-                softreload();
-            }
-        });
+    @Getter
+    private final ProxyServer proxyServer;
+
+    @Getter
+    private final Logger logger;
+
+    @Subscribe
+    public void onEnable(ProxyInitializeEvent event) {
+        proxyServer.getCommandManager().register(
+                new BrigadierCommand(
+                        BrigadierCommand.literalArgumentBuilder("softreload")
+                                .requires(commandSource -> commandSource.hasPermission("bungeecore.softreload"))
+                                .executes(commandContext -> softreload())
+                                .build()
+                )
+        );
     }
 
-    @Override
-    public void onDisable(){
+    @Subscribe
+    public void onDisable(ProxyShutdownEvent event) {
         Subserver.shutdown();
     }
 
-    public void softreload() {
-        Map<String, Command> commandMap = PluginUtils.CommandMap.get(getProxy().getPluginManager());
-        Map<String, Plugin> plugins = PluginUtils.Plugins.get(getProxy().getPluginManager());
-        Object libraryLoader = PluginUtils.LibraryLoader.get(getProxy().getPluginManager());
-        PluginDescription desc = PluginUtils.loadDescription(getProxy().getPluginManager(), new File(getProxy().getPluginsFolder(), "BungeeCore.jar"));
-
-        getProxy().getScheduler().runAsync(this, () -> {
-            getProxy().broadcast(TextComponent.fromLegacyText(PREFIX + "§eNetwork update is starting§8."));
-            try {
-                PluginUtils.unloadPlugin(getProxy(), commandMap, plugins, getProxy().getPluginManager().getPlugin("BungeeCore"));
-                PluginUtils.loadPlugin(plugins, libraryLoader, desc);
-            } catch (Throwable t) {
-                getLogger().log(Level.SEVERE, "Errors during softreload", t);
-                getProxy().broadcast(TextComponent.fromLegacyText(PREFIX + "§cNetwork update failed§8, §cexpect network restart soon§8."));
-                return;
-            }
-
-            getProxy().broadcast(TextComponent.fromLegacyText(PREFIX + "§eNetwork update complete§8."));
-        });
+    public int softreload() {
+        PluginUtils.reloadPlugin();
+        return 1;
     }
-
-    @Deprecated
-    public static void setLobbyServer(String lobbyServer) {}
-
-    @Deprecated
-    public static void setChatPrefix(String prefix) {}
 }

src/de/steamwar/bungeecore/Storage.java

@@ -19,9 +19,9 @@
 
 package de.steamwar.bungeecore;
 
-import net.md_5.bungee.api.config.ServerInfo;
-import net.md_5.bungee.api.connection.ProxiedPlayer;
-import net.md_5.bungee.protocol.packet.PlayerListItem;
+import com.velocitypowered.api.proxy.Player;
+import com.velocitypowered.api.proxy.player.TabListEntry;
+import com.velocitypowered.api.proxy.server.ServerInfo;
 
 import java.sql.Timestamp;
 import java.util.*;
@@ -29,23 +29,23 @@ import java.util.*;
 public class Storage {
     private Storage(){}
 
-    public static final Map<ProxiedPlayer, List<ProxiedPlayer>> challenges = new HashMap<>();
+    public static final Map<Player, List<Player>> challenges = new HashMap<>();
 
-    public static final Map<ProxiedPlayer, ProxiedPlayer> lastChats = new HashMap<>();
+    public static final Map<Player, Player> lastChats = new HashMap<>();
 
     public static final Map<Integer, List<Integer>> teamInvitations = new HashMap<>(); // UserID -> List<TeamIDs>
 
-    public static final Map<ProxiedPlayer, Timestamp> sessions = new HashMap<>(); // Contains session start timestamp
+    public static final Map<Player, Timestamp> sessions = new HashMap<>(); // Contains session start timestamp
 
     public static final Map<Integer, Subserver> eventServer = new HashMap<>(); // TeamID -> Subserver map
 
-    public static final Set<ProxiedPlayer> fabricPlayers = new HashSet<>();
+    public static final Set<Player> fabricPlayers = new HashSet<>();
 
-    public static final Map<ProxiedPlayer, Integer> fabricCheckedPlayers = new HashMap<>();
+    public static final Map<Player, Integer> fabricCheckedPlayers = new HashMap<>();
 
-    public static final Map<ProxiedPlayer, Long> fabricExpectPluginMessage = new HashMap<>();
+    public static final Map<Player, Long> fabricExpectPluginMessage = new HashMap<>();
 
     public static final Map<Integer, ServerInfo> teamServers = new HashMap<>(); // TeamID -> ServerInfo map
 
-    public static final Map<ProxiedPlayer, Map<UUID, PlayerListItem.Item>> directTabItems = new HashMap<>();
+    public static final Map<Player, Map<UUID, TabListEntry>> directTabItems = new HashMap<>();
 }

src/de/steamwar/bungeecore/Subserver.java

@@ -19,13 +19,17 @@
 
 package de.steamwar.bungeecore;
 
+import com.velocitypowered.api.proxy.Player;
+import com.velocitypowered.api.proxy.server.RegisteredServer;
+import com.velocitypowered.api.proxy.server.ServerInfo;
 import lombok.Getter;
-import net.md_5.bungee.api.ChatMessageType;
-import net.md_5.bungee.api.ProxyServer;
-import net.md_5.bungee.api.chat.BaseComponent;
-import net.md_5.bungee.api.chat.TextComponent;
-import net.md_5.bungee.api.config.ServerInfo;
-import net.md_5.bungee.api.connection.ProxiedPlayer;
+import net.kyori.adventure.text.Component;
+import net.kyori.adventure.text.TextComponent;
+import net.kyori.adventure.text.format.NamedTextColor;
+import net.kyori.adventure.text.serializer.legacy.LegacyComponentSerializer;
+import org.jetbrains.annotations.Blocking;
+import org.jetbrains.annotations.Contract;
+import org.jetbrains.annotations.Nullable;
 
 import java.io.*;
 import java.net.InetSocketAddress;
@@ -39,17 +43,18 @@ import java.util.function.Predicate;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
+@SuppressWarnings("unused")
 public class Subserver {
-    private static final Logger logger = ProxyServer.getInstance().getLogger();
+    private static final Logger logger = Persistent.getInstance().getLogger();
 
     @Getter
     private static final List<Subserver> serverList = new LinkedList<>();
     private static final Map<ServerInfo, Subserver> infoToServer = new HashMap<>();
 
-    public static Subserver getSubserver(ProxiedPlayer p) {
+    public static @Nullable Subserver getSubserver(Player p) {
         synchronized (serverList) {
-            for(int i = serverList.size()-1; i >= 0; i--){
-                if(serverList.get(i).onServer(p))
+            for (int i = serverList.size() - 1; i >= 0; i--) {
+                if (serverList.get(i).onServer(p))
                     return serverList.get(i);
             }
         }
@@ -62,7 +67,7 @@ public class Subserver {
         }
     }
 
-    static void shutdown(){
+    static void shutdown() {
         while (!serverList.isEmpty()) {
             Subserver server = serverList.get(0);
             server.stop();
@@ -78,49 +83,51 @@ public class Subserver {
     @Getter
     private final ServerInfo server;
     @Getter
+    @Nullable
+    private RegisteredServer registeredServer;
+    @Getter
     private final Servertype type;
     private final Thread thread;
     @Getter
     private boolean started;
 
-    private final List<ProxiedPlayer> cachedPlayers = new LinkedList<>();
+    private final List<Player> cachedPlayers = new LinkedList<>();
     @Getter
-    private final Map<ProxiedPlayer, String> tablistNames = new HashMap<>();
+    private final Map<Player, String> tablistNames = new HashMap<>();
 
-    protected Subserver(Servertype type, String serverName, int port, ProcessBuilder processBuilder, Runnable shutdownCallback, Consumer<Exception> failureCallback) {
+    protected Subserver(Servertype type, String serverName, int port, ProcessBuilder processBuilder, Runnable shutdownCallback, @Nullable Consumer<Exception> failureCallback) {
         this.started = false;
         this.serverName = serverName;
         this.type = type;
         this.shutdownCallback = shutdownCallback;
-        this.failureCallback =  failureCallback == null ? this::fatalError : failureCallback;
+        this.failureCallback = failureCallback == null ? this::fatalError : failureCallback;
         this.checkpoint = processBuilder.command().contains("criu");
 
-        try{
+        try {
             this.process = processBuilder.start();
-        }catch(IOException e){
+        } catch (IOException e) {
             throw new SecurityException("Server could not be started", e);
         }
 
         InetSocketAddress address = new InetSocketAddress("127.0.0.1", port);
-        this.server = ProxyServer.getInstance().constructServerInfo(
-                serverName, address, "SteamWar.de - Subserver", false);
+        this.server = new ServerInfo(serverName, address);
         this.writer = new PrintWriter(process.getOutputStream(), true);
 
         this.thread = new Thread(this::run, "Subserver " + serverName);
         this.thread.start();
     }
 
-    @Deprecated
-    public boolean hasStarted(){
+    @Deprecated(forRemoval = true)
+    public boolean hasStarted() {
         return started;
     }
 
-    public void sendPlayer(ProxiedPlayer p) {
-        if(!started){
-            p.sendMessage(ChatMessageType.ACTION_BAR, generateBar(0));
+    public void sendPlayer(Player p) {
+        if (!started) {
+            p.sendActionBar(generateBar(0));
             cachedPlayers.add(p);
-        }else{
-            p.connect(server);
+        } else {
+            p.createConnectionRequest(registeredServer).connect();
         }
     }
 
@@ -131,38 +138,40 @@ public class Subserver {
     public void stop() {
         try {
             long pid = process.pid();
-            if(checkpoint)
+            if (checkpoint)
                 pid = process.children().findAny().map(ProcessHandle::pid).orElse(pid);
 
             Runtime.getRuntime().exec(new String[]{"kill", "-SIGUSR1", Long.toString(pid)});
         } catch (IOException e) {
-            ProxyServer.getInstance().getLogger().log(Level.SEVERE, "Failed to send SIGUSR1 to subserver.", e);
+            logger.log(Level.SEVERE, "Failed to send SIGUSR1 to subserver.", e);
         }
 
         try {
-            if(!process.waitFor(1, TimeUnit.MINUTES)) {
+            if (!process.waitFor(1, TimeUnit.MINUTES)) {
                 logger.log(Level.SEVERE, () -> serverName + " did not stop correctly, forcibly stopping!");
                 process.destroyForcibly();
             }
 
             thread.join();
-        }catch(InterruptedException e){
+        } catch (InterruptedException e) {
             logger.log(Level.SEVERE, "Subserver stop interrupted!", e);
             Thread.currentThread().interrupt();
         }
     }
 
-    private boolean onServer(ProxiedPlayer p){
-        return cachedPlayers.contains(p) || server.getPlayers().contains(p);
+    private boolean onServer(Player p) {
+        return cachedPlayers.contains(p) || (registeredServer != null && registeredServer.getPlayersConnected().contains(p));
     }
 
     private void fatalError(Exception e) {
         logger.log(Level.SEVERE, e, () -> serverName + " did not run correctly!");
 
-        for(ProxiedPlayer cached : cachedPlayers)
-            cached.sendMessage(TextComponent.fromLegacy(Persistent.PREFIX + "§cUnexpected error during server startup."));
-        for(ProxiedPlayer player : server.getPlayers())
-            player.sendMessage(TextComponent.fromLegacy(Persistent.PREFIX + "§cLost connection to server."));
+        for (Player cached : cachedPlayers)
+            cached.sendMessage(Persistent.PREFIX.append(Component.text("Unexpected error during server startup.").color(NamedTextColor.RED)));
+        if (registeredServer != null) {
+            for (Player player : registeredServer.getPlayersConnected())
+                player.sendMessage(Persistent.PREFIX.append(Component.text("Lost connection to server.").color(NamedTextColor.RED)));
+        }
     }
 
     private void start(InputStream stream, Predicate<String> test) throws IOException {
@@ -172,13 +181,13 @@ public class Subserver {
                 started = test.test(line);
             }
 
-            if(line == null)
+            if (line == null)
                 throw new IOException(serverName + " did not start correctly!");
         }
     }
 
     protected void register() {
-        if(ProxyServer.getInstance().getServers().containsKey(serverName)) {
+        if (Persistent.getInstance().getProxyServer().getAllServers().stream().anyMatch(rs -> rs.getServerInfo().getName().equals(serverName))) {
             SecurityException e = new SecurityException("Server already registered: " + serverName);
             stop();
             failureCallback.accept(e);
@@ -186,17 +195,18 @@ public class Subserver {
         }
 
         synchronized (serverList) {
-            ProxyServer.getInstance().getServers().put(serverName, server);
+            registeredServer = Persistent.getInstance().getProxyServer().registerServer(server);
             serverList.add(this);
             infoToServer.put(server, this);
         }
     }
 
     protected void unregister() {
-        synchronized (serverList){
+        synchronized (serverList) {
             infoToServer.remove(server);
             serverList.remove(this);
-            ProxyServer.getInstance().getServers().remove(serverName);
+            Persistent.getInstance().getProxyServer().unregisterServer(server);
+            registeredServer = null;
         }
     }
 
@@ -205,21 +215,21 @@ public class Subserver {
 
         Exception ex = null;
         try {
-            if(checkpoint) {
+            if (checkpoint) {
                 start(process.getErrorStream(), line -> line.contains("Restore finished successfully."));
             } else {
                 start(process.getInputStream(), line -> {
-                    if(line.contains("Loading libraries, please wait"))
+                    if (line.contains("Loading libraries, please wait"))
                         sendProgress(2);
-                    else if(line.contains("Starting Minecraft server on"))
+                    else if (line.contains("Starting Minecraft server on"))
                         sendProgress(4);
-                    else if(line.contains("Preparing start region"))
+                    else if (line.contains("Preparing start region"))
                         sendProgress(6);
                     return line.contains("Finished mapping loading");
                 });
             }
 
-            if(!started)
+            if (!started)
                 return;
 
             sendProgress(8);
@@ -227,32 +237,33 @@ public class Subserver {
             Thread.sleep(300);
 
             sendProgress(10);
-            for(ProxiedPlayer cachedPlayer : cachedPlayers) {
+            for (Player cachedPlayer : cachedPlayers) {
                 sendPlayer(cachedPlayer);
             }
             cachedPlayers.clear();
 
             process.waitFor();
-        } catch(IOException e) {
+        } catch (IOException e) {
             ex = e;
-        } catch(InterruptedException e) {
+        } catch (InterruptedException e) {
             ex = e;
             Thread.currentThread().interrupt();
         } finally {
             unregister();
             shutdownCallback.run();
-            if(ex != null)
+            if (ex != null)
                 failureCallback.accept(ex);
         }
     }
 
-    private BaseComponent generateBar(int progress) {
-        return TextComponent.fromLegacy("§e" + "⬛".repeat(Math.max(0, progress)) + "§8" + "⬛".repeat(Math.max(0, 10 - progress)));
+    private Component generateBar(int progress) {
+        return Component.text("⬛".repeat(Math.max(0, progress))).color(NamedTextColor.GOLD)
+                .append(Component.text("⬛".repeat(Math.max(0, 10 - progress))).color(NamedTextColor.DARK_GRAY));
     }
 
     private void sendProgress(int progress) {
-        BaseComponent tc = generateBar(progress);
-        for(ProxiedPlayer cached : cachedPlayers)
-            cached.sendMessage(ChatMessageType.ACTION_BAR, tc);
+        Component tc = generateBar(progress);
+        for (Player cached : cachedPlayers)
+            cached.sendActionBar(tc);
     }
 }

src/de/steamwar/persistent/ModifiedPluginEventBus.java

@@ -1,58 +0,0 @@
-/*
- *   This file is a part of the SteamWar software.
- *
- *   Copyright (C) 2023  SteamWar.de-Serverteam
- *
- *   This program is free software: you can redistribute it and/or modify
- *   it under the terms of the GNU Affero General Public License as published by
- *   the Free Software Foundation, either version 3 of the License, or
- *   (at your option) any later version.
- *
- *   This program is distributed in the hope that it will be useful,
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- *   GNU Affero General Public License for more details.
- *
- *   You should have received a copy of the GNU Affero General Public License
- *   along with this program.  If not, see <https://www.gnu.org/licenses/>.
- */
-
-package de.steamwar.persistent;
-
-import net.md_5.bungee.api.event.AsyncEvent;
-import net.md_5.bungee.api.plugin.Plugin;
-import net.md_5.bungee.event.EventBus;
-import net.md_5.bungee.event.EventExceptionHandler;
-
-import java.util.Collections;
-import java.util.Set;
-import java.util.WeakHashMap;
-
-public final class ModifiedPluginEventBus extends EventBus {
-
-    private static final Set<AsyncEvent<?>> UNCOMPLETED_EVENTS = Collections.newSetFromMap(new WeakHashMap<>());
-    private static final Object LOCK = new Object();
-
-    public static void completeIntents(Plugin plugin) {
-        synchronized (LOCK) {
-            UNCOMPLETED_EVENTS.forEach(event -> {
-                try {
-                    event.completeIntent(plugin);
-                } catch (Exception error) {
-                    // Ignored
-                }
-            });
-        }
-    }
-
-    @Override
-    public <T> void post(T event, EventExceptionHandler<T> exceptionHandler) {
-        if (event instanceof AsyncEvent) {
-            synchronized (LOCK) {
-                UNCOMPLETED_EVENTS.add((AsyncEvent<?>) event);
-            }
-        }
-        super.post(event, exceptionHandler);
-    }
-
-}

src/de/steamwar/persistent/PluginUtils.java

@@ -19,165 +19,13 @@
 
 package de.steamwar.persistent;
 
-import net.md_5.bungee.api.ProxyServer;
-import net.md_5.bungee.api.plugin.Command;
-import net.md_5.bungee.api.plugin.Plugin;
-import net.md_5.bungee.api.plugin.PluginDescription;
-import net.md_5.bungee.api.plugin.PluginManager;
-import org.yaml.snakeyaml.Yaml;
-
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.net.URLClassLoader;
-import java.util.Map;
-import java.util.ResourceBundle;
-import java.util.Set;
-import java.util.concurrent.ExecutorService;
-import java.util.jar.JarEntry;
-import java.util.jar.JarFile;
-import java.util.logging.Handler;
-import java.util.logging.Level;
+import net.frankheijden.serverutils.velocity.ServerUtils;
 
 public final class PluginUtils {
-    //Adapted from https://github.com/Shevchik/BungeePluginManager/blob/master/src/bungeepluginmanager/PluginUtils.java
-
-    private static final Class<?> LibraryLoaderClass = Reflection.getClass("net.md_5.bungee.api.plugin.LibraryLoader");
-    private static final Reflection.MethodInvoker createLoader = Reflection.getTypedMethod(LibraryLoaderClass, "createLoader", ClassLoader.class, PluginDescription.class);
-
-    public static final Reflection.FieldAccessor<Map> CommandMap = Reflection.getField(PluginManager.class, "commandMap", Map.class);
-    public static final Reflection.FieldAccessor<Map> Plugins = Reflection.getField(PluginManager.class, "plugins", Map.class);
-    public static final Reflection.FieldAccessor<Yaml> Yaml = Reflection.getField(PluginManager.class, "yaml", Yaml.class);
-    public static final Reflection.FieldAccessor<?> LibraryLoader = Reflection.getField(PluginManager.class, "libraryLoader", LibraryLoaderClass);
-    public static final Reflection.FieldAccessor<ExecutorService> Service = Reflection.getField(Plugin.class, "service", ExecutorService.class);
-
-    private static final Class<?> PluginClassLoaderClass = Reflection.getClass("net.md_5.bungee.api.plugin.PluginClassloader");
-    private static final Reflection.ConstructorInvoker NewPluginClassLoader = Reflection.getConstructor(PluginClassLoaderClass, ProxyServer.class, PluginDescription.class, File.class, ClassLoader.class);
-
-    private static final Reflection.MethodInvoker init = Reflection.getMethod(Plugin.class, "init", ProxyServer.class, PluginDescription.class);
-
-    private static final Set<?> allLoaders = Reflection.getField(PluginClassLoaderClass, "allLoaders", Set.class).get(null);
 
     private PluginUtils() {}
 
-    public static void unloadPlugin(ProxyServer proxy, Map<String, Command> commandMap, Map<String, Plugin> plugins, Plugin plugin) {
-        IllegalStateException error = new IllegalStateException();
-
-        PluginManager pluginManager = proxy.getPluginManager();
-        ClassLoader pluginClassLoader = plugin.getClass().getClassLoader();
-
-        try {
-            plugin.onDisable();
-        } catch (Exception e) {
-            proxy.getLogger().log(Level.SEVERE, "Exception on disable", e);
-        }
-
-        //unregister event handlers
-        pluginManager.unregisterListeners(plugin);
-
-        //unregister commands
-        pluginManager.unregisterCommands(plugin);
-        //remove incorrectly registered plugins
-        commandMap.entrySet().removeIf(entry -> entry.getValue().getClass().getClassLoader() == pluginClassLoader);
-
-        //cancel scheduled tasks
-        proxy.getScheduler().cancel(plugin);
-
-        //finish uncompleted intents
-        ModifiedPluginEventBus.completeIntents(plugin);
-
-        //shutdown internal executor
-        ExecutorService service = Service.get(plugin);
-        if(service != null)
-            service.shutdownNow();
-
-        //stop all still active threads that belong to a plugin
-        for(Thread thread : Thread.getAllStackTraces().keySet()) {
-            if(thread.getClass().getClassLoader() != pluginClassLoader)
-                continue;
-
-            thread.interrupt();
-            try {
-                thread.join(100);
-            } catch (InterruptedException t) {
-                Thread.currentThread().interrupt();
-            }
-
-            if (thread.isAlive())
-                proxy.getLogger().log(Level.WARNING, () -> "Could not stop thread " + thread.getName() + " of plugin " + plugin.getDescription().getName() + ". Still running");
-        }
-
-        //Clear resource bundle cache
-        ResourceBundle.clearCache(pluginClassLoader);
-
-        //close all log handlers
-        for (Handler handler : plugin.getLogger().getHandlers()) {
-            handler.close();
-        }
-
-        //cleanup internal listener and command maps from plugin refs
-        plugins.values().remove(plugin);
-
-        // Remove classloader
-        allLoaders.remove(pluginClassLoader);
-
-        //close classloader
-        if (pluginClassLoader instanceof URLClassLoader) {
-            try {
-                ((URLClassLoader) pluginClassLoader).close();
-            } catch (Exception e) {
-                proxy.getLogger().log(Level.SEVERE, "Exception while closing the classloader", e);
-            }
-        }
-
-        if(error.getSuppressed().length > 0) {
-            throw error;
-        }
-    }
-
-    public static PluginDescription loadDescription(PluginManager pluginManager, File pluginFile) {
-        PluginDescription desc;
-        try (JarFile jar = new JarFile(pluginFile)) {
-            JarEntry pdf = jar.getJarEntry("bungee.yml");
-
-            if (pdf == null) {
-                pdf = jar.getJarEntry("plugin.yml");
-            }
-
-            try (InputStream in = jar.getInputStream(pdf)) {
-                //load description
-                desc = PluginUtils.Yaml.get(pluginManager).loadAs(in, PluginDescription.class);
-            }
-        } catch (IOException e) {
-            throw new IllegalStateException(e);
-        }
-        desc.setFile(pluginFile);
-
-        //check depends
-        Map<String, Plugin> pluginsMap = PluginUtils.Plugins.get(pluginManager);
-        for (String dependency : desc.getDepends()) {
-            if (!pluginsMap.containsKey(dependency)) {
-                throw new IllegalStateException(dependency +" (required by " + desc.getName() + ") is unavailable");
-            }
-        }
-
-        return desc;
-    }
-
-    public static void loadPlugin(Map<String, Plugin> plugins, Object libraryLoader, PluginDescription desc) {
-        URLClassLoader loader = (URLClassLoader)NewPluginClassLoader.invoke(ProxyServer.getInstance(), desc, desc.getFile(), libraryLoader != null ? createLoader.invoke(libraryLoader, desc) : null);
-
-        Plugin plugin;
-        try {
-            Class<?> mainclazz = loader.loadClass(desc.getMain());
-            plugin = (Plugin) Reflection.newInstance(mainclazz);
-        } catch (ClassNotFoundException e) {
-            throw new IllegalStateException(e);
-        }
-        init.invoke(plugin, ProxyServer.getInstance(), desc);
-
-        plugins.put(desc.getName(), plugin);
-        plugin.onLoad();
-        plugin.onEnable();
+    public static void reloadPlugin() {
+        ServerUtils.getInstance().getPlugin().getPluginManager().reloadPlugin("VelocityCore");
     }
 }

src/de/steamwar/persistent/Reflection.java

@@ -8,6 +8,7 @@ import java.util.Arrays;
  *
  * @author Kristian
  */
+@Deprecated(forRemoval = true, since = "VelocityCore")
 public final class Reflection {
     /**
      * An interface for invoking a specific constructor.

src/plugin.yml

@@ -1,4 +0,0 @@
-name: PersistentBungeeCore
-main: de.steamwar.bungeecore.Persistent
-version: 1.0
-author: Lixfel