src/de/steamwar/bungeecore/BungeeCore.java

@@ -22,6 +22,7 @@ package de.steamwar.bungeecore;
 import de.steamwar.bungeecore.commands.*;
 import de.steamwar.bungeecore.comms.SpigotReceiver;
 import de.steamwar.bungeecore.listeners.*;
+import de.steamwar.bungeecore.listeners.mods.Fabric;
 import de.steamwar.bungeecore.listeners.mods.Forge;
 import de.steamwar.bungeecore.listeners.mods.LabyMod;
 import de.steamwar.bungeecore.sql.SQL;
@@ -82,6 +83,7 @@ public class BungeeCore extends Plugin {
         new ChatListener();
         new BanListener();
         new CheckListener();
+        new Fabric();
 
         commands.put("/b", null);
         commands.put("/gs", null);

src/de/steamwar/bungeecore/listeners/mods/Fabric.java

@@ -0,0 +1,52 @@
+/*
+    This file is a part of the SteamWar software.
+
+    Copyright (C) 2020  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.bungeecore.listeners.mods;
+
+import de.steamwar.bungeecore.Storage;
+import de.steamwar.bungeecore.listeners.BasicListener;
+import net.md_5.bungee.api.connection.Connection;
+import net.md_5.bungee.api.connection.ProxiedPlayer;
+import net.md_5.bungee.api.event.PlayerDisconnectEvent;
+import net.md_5.bungee.api.event.PluginMessageEvent;
+import net.md_5.bungee.event.EventHandler;
+
+public class Fabric extends BasicListener {
+
+    @EventHandler
+    public void onPluginMessageEvent(PluginMessageEvent e){
+        Connection sender = e.getSender();
+        if(!(sender instanceof ProxiedPlayer))
+            return;
+
+        if(!e.getTag().equals("minecraft:brand"))
+            return;
+
+        if(new String(e.getData()).contains("fabric")){
+            ProxiedPlayer p = (ProxiedPlayer) sender;
+            Storage.fabricPlayers.add(p);
+        }
+    }
+
+    @EventHandler
+    public void onDisconnect(PlayerDisconnectEvent e){
+        Storage.fabricPlayers.removeIf(player -> player == e.getPlayer());
+
+    }
+}