Bugfixes

Signed-off-by: Lixfel <git-5w3l@lixfel.de>

Persistent/build.gradle

@@ -54,10 +54,10 @@ repositories {
 }
 
 dependencies {
-    compileOnly 'org.projectlombok:lombok:1.18.22'
+    compileOnly 'org.projectlombok:lombok:1.18.32'
-    testCompileOnly 'org.projectlombok:lombok:1.18.22'
+    testCompileOnly 'org.projectlombok:lombok:1.18.32'
-    annotationProcessor 'org.projectlombok:lombok:1.18.22'
+    annotationProcessor 'org.projectlombok:lombok:1.18.32'
-    testAnnotationProcessor 'org.projectlombok:lombok:1.18.22'
+    testAnnotationProcessor 'org.projectlombok:lombok:1.18.32'
 
     compileOnly 'de.steamwar:velocity:RELEASE'
     annotationProcessor 'com.velocitypowered:velocity-api:3.3.0-SNAPSHOT'

Persistent/src/de/steamwar/bungeecore/Subserver.java

@@ -251,7 +251,7 @@ public class Subserver {
     }
 
     private Component generateBar(int progress) {
-        return Component.text("⬛".repeat(Math.max(0, progress))).color(NamedTextColor.GOLD)
+        return Component.text("⬛".repeat(Math.max(0, progress))).color(NamedTextColor.YELLOW)
                 .append(Component.text("⬛".repeat(Math.max(0, 10 - progress))).color(NamedTextColor.DARK_GRAY));
     }
 

build.gradle

@@ -77,22 +77,26 @@ allprojects {
 shadowJar {
     exclude 'META-INF/*'
     //https://imperceptiblethoughts.com/shadow/configuration/minimizing/
-    minimize {
+    /*minimize {
         exclude project(':')
-    }
+        exclude 'mysql:mysql-connector-java:8.0.33'
+    }*/
     duplicatesStrategy DuplicatesStrategy.INCLUDE
 }
 
 dependencies {
-    compileOnly 'org.projectlombok:lombok:1.18.22'
+    compileOnly 'org.projectlombok:lombok:1.18.32'
-    testCompileOnly 'org.projectlombok:lombok:1.18.22'
+    testCompileOnly 'org.projectlombok:lombok:1.18.32'
-    annotationProcessor 'org.projectlombok:lombok:1.18.22'
+    annotationProcessor 'org.projectlombok:lombok:1.18.32'
-    testAnnotationProcessor 'org.projectlombok:lombok:1.18.22'
+    testAnnotationProcessor 'org.projectlombok:lombok:1.18.32'
 
     annotationProcessor 'com.velocitypowered:velocity-api:3.3.0-SNAPSHOT'
     compileOnly 'de.steamwar:velocity:RELEASE'
     compileOnly project(":Persistent")
 
+    runtimeOnly 'org.xerial:sqlite-jdbc:3.36.0' //TODO native only linux
+    implementation 'mysql:mysql-connector-java:8.0.33'
+
     implementation("net.dv8tion:JDA:4.4.0_352") {
         exclude module: 'opus-java'
     }

src/de/steamwar/bungeecore/Config.java

@@ -25,28 +25,59 @@ import org.yaml.snakeyaml.LoaderOptions;
 import org.yaml.snakeyaml.TypeDescription;
 import org.yaml.snakeyaml.Yaml;
 import org.yaml.snakeyaml.constructor.Constructor;
+import org.yaml.snakeyaml.introspector.BeanAccess;
+import org.yaml.snakeyaml.representer.Representer;
 
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
-import java.util.*;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.function.Consumer;
 
 @Getter
 public class Config {
 
-    public static Config load() {
+    public static <T> T load(Class<T> clazz, File file, Consumer<TypeDescription> description) {
         TypeDescription typeDescription = new TypeDescription(Config.class);
-        typeDescription.addPropertyParameters("servers", String.class, Config.Server.class);
+        description.accept(typeDescription);
 
+        Constructor constructor = new Constructor(clazz, new LoaderOptions());
+        constructor.addTypeDescription(typeDescription);
+
+        Representer representer = new Representer();
+        representer.getPropertyUtils().setSkipMissingProperties(true);
+
+        Yaml yaml = new Yaml(constructor, representer);
+        yaml.setBeanAccess(BeanAccess.FIELD);
+
+        try{
+            return yaml.load(new FileInputStream(file));
+        }catch(IOException e){
+            VelocityCore.getProxy().shutdown();
+            throw new SecurityException("Could not load config", e);
+        }
+    }
+
+    public static Config load() {
+        return load(Config.class, new File(VelocityCore.get().getDataDirectory().toFile(), "config.yml"), description -> description.addPropertyParameters("servers", String.class, Config.Server.class));
+
+        /*
+
+        typeDescription.addPropertyParameters("servers", String.class, Config.Server.class);
         Constructor constructor = new Constructor(Config.class, new LoaderOptions());
         constructor.addTypeDescription(typeDescription);
 
+        Yaml yaml = new Yaml(constructor);
+        yaml.setBeanAccess(BeanAccess.FIELD);
+
         try{
-            return new Yaml(constructor).load(new FileInputStream(new File(VelocityCore.get().getDataDirectory().toFile(), "config.yml")));
+            return yaml.load(new FileInputStream(new File(VelocityCore.get().getDataDirectory().toFile(), "config.yml")));
         }catch(IOException e){
             VelocityCore.getProxy().shutdown();
             throw new SecurityException("Could not load config.yml", e);
-        }
+        }*/
     }
 
     private String lobbyserver;
@@ -67,7 +98,6 @@ public class Config {
 
     @Getter
     public static class Server {
-        private String permission = "user";
         private int spectatePort = 0;
         private List<String> commands;
     }

src/de/steamwar/bungeecore/ErrorLogger.java

@@ -27,19 +27,20 @@ import java.text.MessageFormat;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
-import java.util.logging.Handler;
+import java.util.logging.*;
-import java.util.logging.Level;
-import java.util.logging.LogRecord;
-import java.util.logging.Logger;
 
 public class ErrorLogger extends Handler {
 
     ErrorLogger(){
-        Logger.getLogger("").addHandler(this);
+        Logger logger = VelocityCore.getLogger();
+        while(logger.getParent() != null)
+            logger = logger.getParent();
+
+        logger.addHandler(this);
     }
 
     void unregister(){
-        Logger.getLogger("").removeHandler(this);
+        Logger.getGlobal().removeHandler(this);
     }
 
     @Override
@@ -78,16 +79,6 @@ public class ErrorLogger extends Handler {
 
     static {
         List<String> contains = new ArrayList<>();
-        contains.add("Error authenticating ");
-        contains.add("read timed out");
-        contains.add("could not decode packet");
-        contains.add("Connection reset by peer");
-        contains.add("No client connected for pending server");
-        contains.add("Error occurred processing connection for");
-        contains.add("Server is online mode!");
-        contains.add(" took ");
-        contains.add("Could not translate packet ");
-        contains.add("455420");
         ignoreContains = Collections.unmodifiableList(contains);
     }
 }

src/de/steamwar/bungeecore/GameModeConfig.java

@@ -21,12 +21,8 @@ package de.steamwar.bungeecore;
 
 import lombok.Getter;
 import lombok.Setter;
-import org.yaml.snakeyaml.Yaml;
-import org.yaml.snakeyaml.constructor.Constructor;
 
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
@@ -40,13 +36,13 @@ public class GameModeConfig {
         if(!folder.exists())
             return;
 
-        Yaml yaml = new Yaml(new Constructor(config));
         for(File file : Arrays.stream(folder.listFiles((file, name) -> name.endsWith(".yml") && !name.endsWith(".kits.yml"))).sorted().toList()) {
-            try {
+            consumer.accept(file, Config.load(config, file, description -> {}));
+            /*try {
                 consumer.accept(file, yaml.load(new FileInputStream(file)));
             } catch (IOException e) {
                 throw new SecurityException("Could not load GameModeConfig", e);
-            }
+            }*/
         }
     }
 

src/de/steamwar/bungeecore/VelocityCore.java

@@ -46,6 +46,8 @@ import de.steamwar.sql.internal.Statement;
 import lombok.Getter;
 
 import java.nio.file.Path;
+import java.sql.DriverManager;
+import java.sql.SQLException;
 import java.util.Collection;
 import java.util.List;
 import java.util.Map;
@@ -101,6 +103,12 @@ public class VelocityCore {
         this.dataDirectory = dataDirectory;
 
         instance = this;
+
+        try {
+            DriverManager.registerDriver(new com.mysql.cj.jdbc.Driver());
+        } catch (SQLException e) {
+            throw new RuntimeException(e);
+        }
     }
 
     @Subscribe

src/de/steamwar/bungeecore/commands/PunishmentCommand.java

@@ -72,7 +72,7 @@ public class PunishmentCommand {
         } catch (NoSuchElementException e) {
             // ignore, player does not exist
         } catch (IOException e) {
-            VelocityCore.getLogger().log(Level.SEVERE, "Could not get offline player UUID {0}".formatted(playerName), e);
+            VelocityCore.getLogger().log(Level.SEVERE, "Could not get offline player UUID %s".formatted(playerName), e);
         }
         return null;
     }

src/de/steamwar/bungeecore/commands/ServerSwitchCommand.java

@@ -19,21 +19,22 @@
 
 package de.steamwar.bungeecore.commands;
 
+import com.velocitypowered.api.proxy.server.RegisteredServer;
 import de.steamwar.bungeecore.VelocityCore;
 import de.steamwar.command.SWCommand;
 import de.steamwar.messages.PlayerChatter;
 
 public class ServerSwitchCommand extends SWCommand {
 
-    private final String serverName;
+    private final RegisteredServer server;
 
     public ServerSwitchCommand(String cmd, String name, String... aliases) {
         super(cmd, null, aliases);
-        serverName = name;
+        server = VelocityCore.getProxy().getServer(name).orElseThrow();
     }
 
     @Register
     public void genericCommand(PlayerChatter sender) {
-        sender.getPlayer().createConnectionRequest(VelocityCore.getProxy().getServer(serverName).orElseThrow()).fireAndForget();
+        sender.getPlayer().createConnectionRequest(server).fireAndForget();
     }
 }

src/de/steamwar/bungeecore/commands/VerifyCommand.java

@@ -51,7 +51,7 @@ public class VerifyCommand extends SWCommand {
 
         User user = AuthManager.connectAuth(sender.user(), code);
         if(user != null) {
-            VelocityCore.getLogger().log(Level.INFO, "{0} Verified with Discorduser: {1}".formatted(sender.user().getUserName(), user.getIdLong()));
+            VelocityCore.getLogger().log(Level.INFO,"%s Verified with Discorduser: %s".formatted(sender.user().getUserName(), user.getIdLong()));
             sender.system("VERIFY_SUCCESS", user.getAsTag());
         } else {
             sender.system("VERIFY_INVALID");

src/de/steamwar/bungeecore/discord/DiscordConfig.java

@@ -19,6 +19,7 @@
 
 package de.steamwar.bungeecore.discord;
 
+import de.steamwar.bungeecore.Config;
 import de.steamwar.bungeecore.VelocityCore;
 import lombok.AllArgsConstructor;
 import lombok.Data;
@@ -26,14 +27,8 @@ import lombok.Getter;
 import net.dv8tion.jda.api.entities.Emoji;
 import net.dv8tion.jda.api.interactions.components.Button;
 import net.dv8tion.jda.api.interactions.components.ButtonStyle;
-import org.yaml.snakeyaml.LoaderOptions;
-import org.yaml.snakeyaml.TypeDescription;
-import org.yaml.snakeyaml.Yaml;
-import org.yaml.snakeyaml.constructor.Constructor;
 
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
 import java.util.List;
 import java.util.Map;
 
@@ -45,17 +40,21 @@ public class DiscordConfig {
         if(!file.exists() || VelocityCore.get().getConfig().isEventmode())
             return null;
 
-        TypeDescription typeDescription = new TypeDescription(DiscordConfig.class);
+        return Config.load(DiscordConfig.class, file, description -> description.addPropertyParameters("roles", String.class, DiscordRole.class));
+        /*TypeDescription typeDescription = new TypeDescription(DiscordConfig.class);
         typeDescription.addPropertyParameters("roles", String.class, DiscordRole.class);
 
         Constructor constructor = new Constructor(DiscordConfig.class, new LoaderOptions());
         constructor.addTypeDescription(typeDescription);
 
+        Yaml yaml = new Yaml(constructor);
+        yaml.setBeanAccess(BeanAccess.FIELD);
+
         try{
-            return new Yaml(constructor).load(new FileInputStream(file));
+            return yaml.load(new FileInputStream(file));
         }catch(IOException e){
             throw new SecurityException("Could not load discord bot configuration", e);
-        }
+        }*/
     }
 
     public String channel(String type) {

src/de/steamwar/bungeecore/discord/listeners/DiscordSchemUpload.java

@@ -82,7 +82,7 @@ public class DiscordSchemUpload extends ListenerAdapter {
             } catch (InterruptedException e) {
                 Thread.currentThread().interrupt();
             } catch (ExecutionException | IOException e) {
-                VelocityCore.getLogger().log(Level.SEVERE, "Could not upload schem \"{0}\" for user \"{1}\"".formatted(name, user.getUserName()), e);
+                VelocityCore.getLogger().log(Level.SEVERE, "Could not upload schem \"%s\" for user \"%s\"".formatted(name, user.getUserName()), e);
                 sender.system("DC_SCHEMUPLOAD_ERROR", name);
             }
         }

src/de/steamwar/bungeecore/discord/util/AuthManager.java

@@ -50,7 +50,7 @@ public class AuthManager {
         String code = Base64.getEncoder().encodeToString(randBytes);
 
         TOKENS.put(code, user);
-        VelocityCore.getLogger().log(Level.INFO, "Created Discord Auth-Token: {0} for: {1}".formatted(code, user.getAsTag()));
+        VelocityCore.getLogger().log(Level.INFO, "Created Discord Auth-Token: %s for: %s".formatted(code, user.getAsTag()));
         VelocityCore.schedule(() -> TOKENS.remove(code)).delay(10, TimeUnit.MINUTES).schedule();
         return code;
     }

src/de/steamwar/bungeecore/listeners/ChatListener.java

@@ -58,7 +58,7 @@ public class ChatListener extends BasicListener {
         if (message.contains("jndi:ldap")) {
             SteamwarUser user = SteamwarUser.get(player.getUniqueId());
             PunishmentCommand.ban(user, Punishment.PERMA_TIME, "Versuchte Exploit-Ausnutzung", SteamwarUser.get(-1), true);
-            VelocityCore.getLogger().log(Level.SEVERE,  "{0} {1} wurde automatisch wegen jndi:ldap gebannt.".formatted(user.getUserName(), user.getId()));
+            VelocityCore.getLogger().log(Level.SEVERE,  "%s %s wurde automatisch wegen jndi:ldap gebannt.".formatted(user.getUserName(), user.getId()));
             return;
         }
 

src/de/steamwar/bungeecore/listeners/IPSanitizer.java

@@ -46,7 +46,7 @@ public class IPSanitizer extends BasicListener {
 
     @Subscribe
     public void loginEvent(PreLoginEvent e) {
-        VelocityCore.getLogger().log(Level.INFO, "{0} has logged in with user name {1}".formatted(e.getConnection().getRemoteAddress(), e.getUsername()));
+        VelocityCore.getLogger().log(Level.INFO, "%s has logged in with user name %s".formatted(e.getConnection().getRemoteAddress(), e.getUsername()));
         remoteAddress.set(Hostname.getInitialInboundConnection((LoginInboundConnection) e.getConnection()).getConnection(), sanitized);
     }
 }

src/de/steamwar/bungeecore/listeners/PluginMessage.java

@@ -26,6 +26,7 @@ import com.velocitypowered.api.network.ProtocolVersion;
 import com.velocitypowered.api.proxy.Player;
 import com.velocitypowered.api.proxy.ServerConnection;
 import com.velocitypowered.api.proxy.messages.ChannelMessageSource;
+import com.velocitypowered.api.proxy.messages.LegacyChannelIdentifier;
 import com.velocitypowered.api.proxy.messages.MinecraftChannelIdentifier;
 import com.velocitypowered.proxy.protocol.ProtocolUtils;
 import de.steamwar.bungeecore.VelocityCore;
@@ -54,7 +55,7 @@ public class PluginMessage extends BasicListener {
 
     public static void send(Player player, String channel, byte[] data) {
         //TODO only if player has registered channel
-        player.sendPluginMessage(MinecraftChannelIdentifier.from(channel), data);
+        player.sendPluginMessage(channel.indexOf(':') != -1 ? MinecraftChannelIdentifier.from(channel) : new LegacyChannelIdentifier(channel), data);
     }
 
     public static byte[] genBufPacket(Consumer<ByteBuf> generator) {
@@ -242,7 +243,7 @@ public class PluginMessage extends BasicListener {
     private void register(String channel, boolean clientSideRegister, Parser handler) {
         handlers.put(channel, handler);
         if(clientSideRegister)
-            VelocityCore.getProxy().getChannelRegistrar().register(MinecraftChannelIdentifier.from(channel));
+            VelocityCore.getProxy().getChannelRegistrar().register(channel.indexOf(':') != -1 ? MinecraftChannelIdentifier.from(channel) : new LegacyChannelIdentifier(channel));
     }
 
     private void clientRegistersChannel(PluginMessageEvent event) {

src/de/steamwar/bungeecore/mods/FML.java

@@ -22,8 +22,9 @@ package de.steamwar.bungeecore.mods;
 import com.velocitypowered.api.event.Subscribe;
 import com.velocitypowered.api.event.connection.PluginMessageEvent;
 import com.velocitypowered.api.event.connection.PostLoginEvent;
+import com.velocitypowered.api.network.ProtocolVersion;
 import com.velocitypowered.api.proxy.Player;
-import com.velocitypowered.api.proxy.messages.MinecraftChannelIdentifier;
+import com.velocitypowered.api.proxy.messages.LegacyChannelIdentifier;
 import com.velocitypowered.proxy.protocol.ProtocolUtils;
 import de.steamwar.bungeecore.VelocityCore;
 import de.steamwar.bungeecore.listeners.BasicListener;
@@ -59,7 +60,8 @@ public class FML extends BasicListener {
         }
 
         //if(isFML(player, "\0FML\0"))
-        player.sendPluginMessage(MinecraftChannelIdentifier.from(CHANNEL), helloPacket);
+        if(player.getProtocolVersion().lessThan(ProtocolVersion.MINECRAFT_1_13))
+            player.sendPluginMessage(new LegacyChannelIdentifier(CHANNEL), helloPacket);
     }
 
     public void handlePluginMessage(PluginMessageEvent event) {

src/de/steamwar/bungeecore/mods/ModUtils.java

@@ -54,7 +54,7 @@ public class ModUtils {
         Chatter sender = Chatter.of(uuid);
         SteamwarUser user = sender.user();
         playerModMap.put(uuid,new ArrayList<>(mods));
-        VelocityCore.getLogger().log(Level.INFO, "{0} declares mods: {1}".formatted(user.getUserName(), mods.stream().map(mod -> mod.getPlatform() + ":" + mod.getModName()).collect(Collectors.joining(" "))));
+        VelocityCore.getLogger().log(Level.INFO, "%s declares mods: %s".formatted(user.getUserName(), mods.stream().map(mod -> mod.getPlatform() + ":" + mod.getModName()).collect(Collectors.joining(" "))));
 
         ModType max = ModType.YELLOW;
         Iterator<Mod> it = mods.iterator();
@@ -83,7 +83,7 @@ public class ModUtils {
 
         if(max == ModType.RED) {
             PunishmentCommand.ban(user, Timestamp.from(Instant.now().plus(7, ChronoUnit.DAYS)), message, SteamwarUser.get(-1), false);
-            VelocityCore.getLogger().log(Level.SEVERE, "{0} {1} wurde automatisch wegen der Mods {2} gebannt.".formatted(user.getUserName(), user.getId(), modList));
+            VelocityCore.getLogger().log(Level.SEVERE, "%s %s wurde automatisch wegen der Mods %s gebannt.".formatted(user.getUserName(), user.getId(), modList));
         }
 
         disconnect.accept(LegacyComponentSerializer.legacySection().deserialize(message));

src/de/steamwar/bungeecore/mods/ServerListPing.java

@@ -21,10 +21,8 @@ package de.steamwar.bungeecore.mods;
 
 import com.google.gson.*;
 import com.velocitypowered.api.proxy.server.ServerPing;
-import de.steamwar.bungeecore.VelocityCore;
 import lombok.AllArgsConstructor;
 
-import java.lang.reflect.Field;
 import java.lang.reflect.Type;
 
 @AllArgsConstructor
@@ -39,23 +37,12 @@ public class ServerListPing  implements JsonSerializer<ServerPing>, JsonDeserial
     };
 
     public static void init() {
-        try {
+        /*for (String fieldName : FIELDS_TO_OVERRIDE) {
-            for (String fieldName : FIELDS_TO_OVERRIDE) {
+            Reflection.Field<VelocityServer, Gson> field = Reflection.getField(VelocityServer.class, fieldName);
-                Field field = VelocityCore.getProxy().getClass().getDeclaredField(fieldName);
+            field.set(null, new GsonBuilder()
-                field.setAccessible(true);
+                    .registerTypeAdapter(ServerPing.class, new ServerListPing(field.get(null)))
-                Object obj = field.get(null);
+                    .create());
-                if (obj instanceof Gson gsonOld) {
+        }*/
-                    Gson gsonNew = new GsonBuilder()
-                            .registerTypeAdapter(ServerPing.class, new ServerListPing(gsonOld))
-                            .create();
-                    field.set(null, gsonNew);
-                } else {
-                    throw new SecurityException("Failed to inject ServerListPing in " + fieldName);
-                }
-            }
-        } catch (NoSuchFieldException | SecurityException | IllegalArgumentException | IllegalAccessException e) {
-            throw new SecurityException("Failed to inject ServerListPing", e);
-        }
     }
 
     private final Gson gson;

src/de/steamwar/bungeecore/tablist/Tablist.java

@@ -72,7 +72,6 @@ public class Tablist extends ChannelInboundHandlerAdapter {
             return;
 
         player.sendPlayerListHeaderAndFooter(header(viewer, seconds), viewer.parse(false, "TABLIST_FOOTER", connection.getServerInfo().getName(), ping(), VelocityCore.getProxy().getPlayerCount()));
-        player.getTabList();
 
         List<TablistPart.Item> tablist = new ArrayList<>();
         List<TablistPart.Item> direct = new ArrayList<>();
@@ -98,7 +97,7 @@ public class Tablist extends ChannelInboundHandlerAdapter {
                     update.add(tabItem);
                 }
             }
-            boolean playerNotOnTeamserver = !Storage.teamServers.containsValue(player.getCurrentServer().orElseThrow().getServerInfo());
+            boolean playerNotOnTeamserver = !Storage.teamServers.containsValue(connection.getServerInfo());
             for(UpsertPlayerInfoPacket.Entry item : directTabItems.values()) {
                 if(playerNotOnTeamserver && !nonNPCs.contains(item.getProfileId()) && !npcs.contains(item.getProfileId()) && !player.getUniqueId().equals(item.getProfileId())) {
                     npcs.add(item.getProfileId());

src/de/steamwar/bungeecore/tablist/TablistManager.java

@@ -22,7 +22,7 @@ package de.steamwar.bungeecore.tablist;
 import com.velocitypowered.api.event.Subscribe;
 import com.velocitypowered.api.event.connection.DisconnectEvent;
 import com.velocitypowered.api.event.connection.PostLoginEvent;
-import com.velocitypowered.api.event.player.ServerConnectedEvent;
+import com.velocitypowered.api.event.player.ServerPostConnectEvent;
 import com.velocitypowered.api.proxy.Player;
 import com.velocitypowered.api.proxy.server.RegisteredServer;
 import de.steamwar.bungeecore.Servertype;
@@ -66,7 +66,7 @@ public class TablistManager extends BasicListener {
     }
 
     @Subscribe
-    public void onServerConnection(ServerConnectedEvent event) {
+    public void onServerConnection(ServerPostConnectEvent event) {
         synchronized (tablists) {
             tablists.get(event.getPlayer()).onServerSwitch();
         }

src/de/steamwar/bungeecore/util/Chat19.java

@@ -27,5 +27,15 @@ public class Chat19 {
 
     public static void chat(Player p, String message) {
         p.spoofChatInput(message);
+
+        /*if(p.getProtocolVersion().greaterThan(ProtocolVersion.MINECRAFT_1_18_2)) {
+            if(message.startsWith("/")) {
+                ((ServerConnection) p.getServer()).getCh().write(new ClientCommand(message.substring(1), System.currentTimeMillis(), 0, Collections.emptyMap(), false, new ChatChain(Collections.emptyList(), null), new SeenMessages(0, new BitSet(0))));
+            } else {
+                ((ServerConnection) p.getServer()).getCh().write(new ClientChat(message, System.currentTimeMillis(), 0, version < ProtocolConstants.MINECRAFT_1_19_3 ? new byte[0] : null, false, new ChatChain(Collections.emptyList(), null), new SeenMessages(0, new BitSet(0))));
+            }
+        } else {
+            p.spoofChatInput(message);
+        }*/
     }
 }

src/de/steamwar/command/SWCommand.java

@@ -30,6 +30,7 @@ import net.kyori.adventure.text.event.ClickEvent;
 
 import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.Collections;
 import java.util.List;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.function.Supplier;
@@ -83,6 +84,9 @@ public class SWCommand extends AbstractSWCommand<Chatter> {
 
             @Override
             public List<String> suggest(Invocation invocation) {
+                if(invocation.arguments().length == 0)
+                    return Collections.emptyList();
+
                 return SWCommand.this.tabComplete(Chatter.of(invocation.source()), invocation.alias(), invocation.arguments());
             }
 
@@ -177,7 +181,7 @@ public class SWCommand extends AbstractSWCommand<Chatter> {
                 chatter.prefixless(s, new Message("PLAIN_STRING", hover), ClickEvent.suggestCommand("/" + name + " " + String.join(" ", subCommand.subCommand)));
             }
         } catch (Exception e) {
-            VelocityCore.getLogger().log(Level.WARNING, "Failed to send description of registered method '{0}' with description '{1}'".formatted(subCommand.method, Arrays.toString(subCommand.description)), e);
+            VelocityCore.getLogger().log(Level.WARNING, "Failed to send description of registered method '%s' with description '%s'".formatted(subCommand.method, Arrays.toString(subCommand.description)), e);
         }
     }
 }