Fix for older Version

build.gradle

@@ -5,8 +5,8 @@ plugins {
 group = 'de.steamwar'
 version = ''
 
-sourceCompatibility = 8
-targetCompatibility = 8
+sourceCompatibility = 11
+targetCompatibility = 11
 
 sourceSets {
     main {
@@ -36,8 +36,7 @@ dependencies {
     annotationProcessor 'org.projectlombok:lombok:1.18.22'
     testAnnotationProcessor 'org.projectlombok:lombok:1.18.22'
 
-    compileOnly 'net.md-5:bungeecord-api:1.21-R0.1-SNAPSHOT'
-    compileOnly 'net.md-5:bungeecord-proxy:1.21-R0.1-SNAPSHOT'
-    // compileOnly 'codecrafter47.bungeetablistplus:bungeetablistplus-api-bungee:3.5.2'
-    implementation 'it.unimi.dsi:fastutil-core:8.5.15'
+    compileOnly 'net.md-5:bungeecord-api:1.19-R0.1-SNAPSHOT'
+    compileOnly 'net.md-5:bungeecord-proxy:1.20-R0.3-SNAPSHOT'
+    // implementation 'codecrafter47.bungeetablistplus:bungeetablistplus-api-bungee:3.5.2'
 }

src/bungee.yml

@@ -1,3 +1,6 @@
 name: SteamWarTeamserverIntegration
-version: '1.0.0'
+version: 1.0.0
 main: de.steamwar.SteamWarBungeeTeamserver
+
+softDepends:
+  - BungeeTabListPlus

src/de/steamwar/listener/SteamwarConnectionListener.java

@@ -20,9 +20,8 @@
 package de.steamwar.listener;
 
 import de.steamwar.ConfigSystem;
+import de.steamwar.utils.BungeeTabListPlusFixer;
 import io.netty.buffer.ByteBuf;
-import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
-import it.unimi.dsi.fastutil.objects.Object2IntMap;
 import net.md_5.bungee.BungeeCord;
 import net.md_5.bungee.api.chat.TextComponent;
 import net.md_5.bungee.api.event.PostLoginEvent;
@@ -32,14 +31,15 @@ import net.md_5.bungee.connection.InitialHandler;
 import net.md_5.bungee.connection.LoginResult;
 import net.md_5.bungee.event.EventHandler;
 import net.md_5.bungee.netty.ChannelWrapper;
-import net.md_5.bungee.protocol.DefinedPacket;
 import net.md_5.bungee.protocol.Protocol;
 import net.md_5.bungee.protocol.ProtocolConstants;
 import net.md_5.bungee.protocol.packet.Handshake;
 
+import java.lang.reflect.Array;
 import java.lang.reflect.Field;
 import java.lang.reflect.Method;
 import java.net.InetSocketAddress;
+import java.util.Arrays;
 import java.util.Set;
 import java.util.UUID;
 import java.util.function.Supplier;
@@ -61,33 +61,31 @@ public class SteamwarConnectionListener implements Listener {
 
     {
         try {
-            Protocol.DirectionData directionData = Protocol.HANDSHAKE.TO_SERVER;
-            Field directionDataProtocols = Protocol.DirectionData.class.getDeclaredField("protocols");
-            directionDataProtocols.setAccessible(true);
-            Int2ObjectMap protocols = (Int2ObjectMap) directionDataProtocols.get(directionData);
-
-            Class<?> protocolDataClass = Class.forName("net.md_5.bungee.protocol.Protocol$ProtocolData");
-            Field protocolDataPacketMap = protocolDataClass.getDeclaredField("packetMap");
-            protocolDataPacketMap.setAccessible(true);
-            Field protocolDataPacketConstructors = protocolDataClass.getDeclaredField("packetConstructors");
-            protocolDataPacketConstructors.setAccessible(true);
-
             Method mapMethod = Protocol.class.getDeclaredMethod("map", int.class, int.class);
             mapMethod.setAccessible(true);
             Object protocolMapping = mapMethod.invoke(null, ProtocolConstants.MINECRAFT_1_8, 0x00);
-            Field protocolMappingPacketId = protocolMapping.getClass().getDeclaredField("packetID");
-            protocolMappingPacketId.setAccessible(true);
-            int packetID = protocolMappingPacketId.getInt(protocolMapping);
-
-            for (int version : ProtocolConstants.SUPPORTED_VERSION_IDS) {
-                Object protocolData = protocols.get(version);
-
-                Object2IntMap<Class<? extends DefinedPacket>> packetMap = (Object2IntMap<Class<? extends DefinedPacket>>) protocolDataPacketMap.get(protocolData);
-                Supplier<? extends DefinedPacket>[] packetConstructors = (Supplier<? extends DefinedPacket>[]) protocolDataPacketConstructors.get(protocolData);
-
-                packetMap.put(Handshake.class, packetID);
-                packetConstructors[packetID] = SteamwarHandshake::new;
+            Class<?> directionDataClazz = Class.forName("net.md_5.bungee.protocol.Protocol$DirectionData");
+            Class<?> protocolMappingClazz = Class.forName("net.md_5.bungee.protocol.Protocol$ProtocolMapping");
+            Field field = Protocol.class.getDeclaredField("TO_SERVER");
+            field.setAccessible(true);
+            Object o = field.get(Protocol.HANDSHAKE);
+            Method method = Arrays.stream(directionDataClazz.getDeclaredMethods())
+                    .filter(m -> m.getName().equals("registerPacket"))
+                    .filter(m -> m.getParameterCount() == 3)
+                    .filter(m -> m.getParameterTypes()[0] == Class.class)
+                    .filter(m -> m.getParameterTypes()[1] == Supplier.class)
+                    .filter(m -> m.getParameterTypes()[2].isArray())
+                    .findFirst()
+                    .orElseThrow(() -> new RuntimeException("Could not find registerPacket method"));
+            method.setAccessible(true);
+            Object protocolMappingArray = Array.newInstance(protocolMappingClazz, 1);
+            Array.set(protocolMappingArray, 0, protocolMapping);
+            method.invoke(o, Handshake.class, new Supplier<Handshake>() {
+                @Override
+                public Handshake get() {
+                    return new SteamwarHandshake();
                 }
+            }, protocolMappingArray);
 
             chField = InitialHandler.class.getDeclaredField("ch");
             chField.setAccessible(true);
@@ -160,10 +158,8 @@ public class SteamwarConnectionListener implements Listener {
             return;
         }
 
-        /*
         if (BungeeCord.getInstance().getPluginManager().getPlugin("BungeeTabListPlus") != null) {
             BungeeTabListPlusFixer.remove(postLoginEvent.getPlayer());
         }
-         */
     }
 }

src/de/steamwar/utils/BungeeTabListPlusFixer.java

@@ -19,18 +19,25 @@
 
 package de.steamwar.utils;
 
-import codecrafter47.bungeetablistplus.api.bungee.BungeeTabListPlusAPI;
-import de.codecrafter47.taboverlay.TabView;
 import lombok.experimental.UtilityClass;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
 
+import java.lang.reflect.Method;
+
 @UtilityClass
 public class BungeeTabListPlusFixer {
 
     public static void remove(ProxiedPlayer player) {
-        TabView tabView = BungeeTabListPlusAPI.getTabViewForPlayer(player);
+        try {
+            Class clazz = Class.forName("codecrafter47.bungeetablistplus.api.bungee.BungeeTabListPlusAPI");
+            Method getTabViewForPlayer = clazz.getMethod("getTabViewForPlayer", ProxiedPlayer.class);
+            Object tabView = getTabViewForPlayer.invoke(null, player);
             if (tabView != null) {
-            tabView.deactivate();
+                Method deactivate = getTabViewForPlayer.getReturnType().getMethod("deactivate");
+                deactivate.invoke(tabView);
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
         }
     }
 }