src/de/steamwar/bungeecore/BungeeCore.java

@@ -85,6 +85,7 @@ public class BungeeCore extends Plugin {
         new WorldDownloader();
         new BrandListener();
         new Fabric();
+        new SubserverProtocolFixer();
 
         new Node.LocalNode();
         //new Node.RemoteNode("lx");

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

@@ -20,6 +20,7 @@
 package de.steamwar.bungeecore.commands;
 
 import de.steamwar.bungeecore.Message;
+import de.steamwar.bungeecore.Storage;
 import de.steamwar.bungeecore.inventory.SWItem;
 import de.steamwar.bungeecore.inventory.SWListInv;
 import de.steamwar.bungeecore.sql.Event;
@@ -33,11 +34,16 @@ import net.md_5.bungee.api.chat.ClickEvent;
 import net.md_5.bungee.api.chat.ComponentBuilder;
 import net.md_5.bungee.api.chat.HoverEvent;
 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 java.net.InetSocketAddress;
 import java.time.Instant;
 import java.time.format.DateTimeFormatter;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Set;
 import java.util.stream.Collectors;
 
 import static de.steamwar.bungeecore.Storage.teamInvitations;
@@ -77,6 +83,7 @@ public class TeamCommand extends BasicCommand {
         Message.send("TEAM_HELP_HEADER", sender);
         Message.send("TEAM_HELP_LIST", sender);
         Message.send("TEAM_HELP_INFO", sender);
+        Message.send("TEAM_HELP_TP", sender);
         if(!(sender instanceof ProxiedPlayer))
             return;
 
@@ -90,7 +97,6 @@ public class TeamCommand extends BasicCommand {
             Message.send("TEAM_HELP_EVENT", sender);
             Message.send("TEAM_HELP_LEAVE", sender);
 
-            Team team = Team.get(user.getTeam());
             if(user.isLeader()){
                 Message.send("TEAM_HELP_INVITE", sender);
                 Message.send("TEAM_HELP_REMOVE", sender);
@@ -99,6 +105,7 @@ public class TeamCommand extends BasicCommand {
                 Message.send("TEAM_HELP_COLOR", sender);
                 Message.send("TEAM_HELP_LEADER", sender);
                 Message.send("TEAM_HELP_STEP_BACK", sender);
+                Message.send("TEAM_HELP_SERVER", sender);
             }
         }
     }
@@ -157,6 +164,12 @@ public class TeamCommand extends BasicCommand {
             case "event":
                 event(player, user, team, args);
                 break;
+            case "tp":
+                tp(player, user, team, args);
+                break;
+            case "server":
+                server(player, user, team, args);
+                break;
             default:
                 help(player);
         }
@@ -549,6 +562,62 @@ public class TeamCommand extends BasicCommand {
         }
     }
 
+    private void tp(ProxiedPlayer player, SteamwarUser user, Team team, String[] args){
+        if(args.length == 1){
+            if(notInTeam(player, user))
+                return;
+            tp(player, team);
+            return;
+        }
+        Team targetTeam = Team.get(args[1]);
+        if(targetTeam == null){
+            Message.send("TEAM_TP_NO_TEAM", player);
+            return;
+        }
+        tp(player, targetTeam);
+    }
+
+    private void tp(ProxiedPlayer player, Team targetTeam) {
+        if (targetTeam.getAddress() == null) {
+            Message.send("TEAM_NO_ADDRESS", player);
+            return;
+        }
+        ServerInfo serverInfo = Storage.teamServers.computeIfAbsent(targetTeam.getTeamId(), integer -> {
+            InetSocketAddress address = new InetSocketAddress(targetTeam.getAddress(), targetTeam.getPort());
+            ServerInfo info = ProxyServer.getInstance().constructServerInfo("Team " + targetTeam.getTeamKuerzel(), address, "SteamWar.de - Teamserver", false);
+            ProxyServer.getInstance().getServers().put(info.getName(), info);
+            return info;
+        });
+        player.connect(serverInfo);
+    }
+
+    private void server(ProxiedPlayer player, SteamwarUser user, Team team, String[] args){
+        if(notLeader(player, user, team))
+            return;
+        if (args.length < 2) {
+            Message.send("TEAM_SERVER_USAGE", player);
+            return;
+        }
+        String server = args[1];
+        int port = 25565;
+        if (args.length == 3) {
+            try {
+                port = Integer.parseInt(args[2]);
+                if (port < 1 || port > 65535) {
+                    Message.send("TEAM_SERVER_PORT_INVALID", player);
+                    return;
+                }
+            } catch (NumberFormatException e) {
+                Message.send("TEAM_SERVER_PORT_INVALID", player);
+                return;
+            }
+        }
+        team.setAddress(server);
+        team.setPort(port);
+        Storage.teamServers.remove(team.getTeamId());
+        Message.send("TEAM_SERVER_SET", player);
+    }
+
     private void changeColor(ProxiedPlayer player, SteamwarUser user, Team team) {
         if(notLeader(player, user, team))
             return;
@@ -649,11 +718,13 @@ public class TeamCommand extends BasicCommand {
             tab.add("changename");
             tab.add("promote");
             tab.add("changecolor");
+            tab.add("tp");
+            tab.add("server");
         }else if(args.length == 2){
             if(args[1].equalsIgnoreCase("event")){
                 List<Event> coming = Event.getComing();
                 coming.forEach(event -> tab.add(event.getEventName()));
-            }else if(args[1].equalsIgnoreCase("join") || args[1].equalsIgnoreCase("info")){
+            }else if(args[1].equalsIgnoreCase("join") || args[1].equalsIgnoreCase("info") || args[1].equalsIgnoreCase("tp")){
                 List<Team> teams = Team.getAll();
                 teams.forEach(team -> {
                     tab.add(team.getTeamName());

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

@@ -35,13 +35,18 @@ public class BrandListener extends BasicListener {
 
     @EventHandler
     public void onServerSwitch(PluginMessageEvent event) {
-        if(!event.getTag().equals("minecraft:brand") || !event.getTag().equals("MC|Brand")) {
+        if(!event.getTag().equals("minecraft:brand") && !event.getTag().equals("MC|Brand")) {
             return;
         }
 
         if(event.getReceiver().getAddress().getHostName().contains("localhost")) {
             return;
         }
+        event.setCancelled(true);
+
+        if (!(event.getReceiver() instanceof ProxiedPlayer)) {
+            return;
+        }
 
         BungeeCore.get().getProxy().getScheduler().schedule(BungeeCore.get(), () -> {
             ProxiedPlayer player = (ProxiedPlayer) event.getReceiver();

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

@@ -0,0 +1,63 @@
+/*
+ * 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;
+
+import io.github.waterfallmc.waterfall.utils.UUIDUtils;
+import net.md_5.bungee.BungeeCord;
+import net.md_5.bungee.api.event.LoginEvent;
+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.util.AddressUtil;
+
+import java.lang.reflect.Field;
+import java.net.InetSocketAddress;
+import java.util.logging.Level;
+
+public class SubserverProtocolFixer extends BasicListener {
+
+    private final InetSocketAddress inetSocketAddress = new InetSocketAddress("127.127.127.127", 25565);
+
+    private Field field;
+
+    {
+        try {
+            field = InitialHandler.class.getDeclaredField("extraDataInHandshake");
+            field.setAccessible(true);
+        } catch (NoSuchFieldException e) {
+            BungeeCord.getInstance().getLogger().log(Level.SEVERE, e.getMessage(), e);
+        }
+    }
+
+    @EventHandler
+    public void loginEvent(LoginEvent e) {
+        InitialHandler initialHandler = ((InitialHandler) e.getConnection());
+        LoginResult.Property[] properties = initialHandler.getLoginProfile().getProperties();
+        try {
+            String extraData = "\00" + AddressUtil.sanitizeAddress(inetSocketAddress) + "\00" + UUIDUtils.undash(initialHandler.getUniqueId().toString());
+            if (properties.length > 0) {
+                extraData += "\00" + BungeeCord.getInstance().gson.toJson(properties);
+            }
+            field.set(initialHandler, extraData);
+        } catch (IllegalAccessException ex) {
+            BungeeCord.getInstance().getLogger().log(Level.SEVERE, ex.getMessage(), ex);
+        }
+    }
+}

src/de/steamwar/bungeecore/sql/Team.java

@@ -29,7 +29,7 @@ public class Team {
 
     private static final Statement insert = new Statement("INSERT INTO Team (TeamKuerzel, TeamName) VALUES (?, ?)");
     private static final Statement delete = new Statement("UPDATE Team SET TeamDeleted = 1 WHERE TeamID = ?");
-    private static final Statement update = new Statement("INSERT INTO Team (TeamID, TeamKuerzel, TeamName, TeamColor) VALUES (?, ?, ?, ?) ON DUPLICATE KEY UPDATE TeamName = VALUES(TeamName), TeamKuerzel = VALUES(TeamKuerzel), TeamColor = VALUES(TeamColor)");
+    private static final Statement update = new Statement("INSERT INTO Team (TeamID, TeamKuerzel, TeamName, TeamColor, Address, Port) VALUES (?, ?, ?, ?, ?, ?) ON DUPLICATE KEY UPDATE TeamName = VALUES(TeamName), TeamKuerzel = VALUES(TeamKuerzel), TeamColor = VALUES(TeamColor), Address = VALUES(Address), Port = VALUES(Port)");
     private static final Statement getSize = new Statement("SELECT COUNT(id) FROM UserData WHERE Team = ?");
     private static final Statement getMembers = new Statement("SELECT id FROM UserData WHERE Team = ?");
     private static final Statement byId = new Statement("SELECT * FROM Team WHERE TeamID = ?");
@@ -37,14 +37,16 @@ public class Team {
     private static final Statement all = new Statement("SELECT * FROM Team WHERE NOT TeamDeleted");
 
     private static final List<Team> teamCache = new LinkedList<>();
-    private static final Team pub = new Team(0, "PUB", "Öffentlich", "8");
+    private static final Team pub = new Team(0, "PUB", "Öffentlich", "8", null, 25565);
 
     private final int teamId;
     private String teamKuerzel;
     private String teamName;
     private String teamColor;
+    private String address;
+    private int port;
 
-    private Team(int id, String kuerzel, String name, String color){
+    private Team(int id, String kuerzel, String name, String color, String address, int port){
         teamId = id;
         teamKuerzel = kuerzel;
         teamName = name;
@@ -52,10 +54,12 @@ public class Team {
         if (id != 0) {
             teamCache.add(this);
         }
+        this.address = address;
+        this.port = port;
     }
 
     private Team(ResultSet rs) throws SQLException {
-        this(rs.getInt("TeamID"), rs.getString("TeamKuerzel"), rs.getString("TeamName"), rs.getString("TeamColor"));
+        this(rs.getInt("TeamID"), rs.getString("TeamKuerzel"), rs.getString("TeamName"), rs.getString("TeamColor"), rs.getString("Address"), rs.getInt("Port"));
     }
 
     public static void create(String kuerzel, String name){
@@ -64,7 +68,7 @@ public class Team {
 
     public static Team get(int id){
         if(id == -1)
-            return new Team(-1, "?", "?", "8");
+            return new Team(-1, "?", "?", "8", null, 25565);
         if(id == 0)
             return pub;
         for(Team team : teamCache)
@@ -101,7 +105,7 @@ public class Team {
     }
 
     private void updateDB(){
-        update.update(teamId, teamKuerzel, teamName, teamColor);
+        update.update(teamId, teamKuerzel, teamName, teamColor, address, port);
     }
 
     public int getTeamId() {
@@ -135,6 +139,24 @@ public class Team {
         updateDB();
     }
 
+    public String getAddress() {
+        return address;
+    }
+
+    public void setAddress(String address) {
+        this.address = address;
+        updateDB();
+    }
+
+    public int getPort() {
+        return port;
+    }
+
+    public void setPort(int port) {
+        this.port = port;
+        updateDB();
+    }
+
     public int size(){
         return getSize.select(rs -> {
             rs.next();

src/de/steamwar/messages/BungeeCore.properties

@@ -363,6 +363,7 @@ TEAM_NOT_IN_EVENT=§cDies ist während eines Events nicht möglich.
 TEAM_HELP_HEADER=§7Mit §e/team §7verwaltest du dein Team.
 TEAM_HELP_LIST=§8/§7team list §8- §7Liste alle Teams auf.
 TEAM_HELP_INFO=§8/§7team info §8- §7Informiere dich über ein Team.
+TEAM_HELP_TP=§8/§7team tp §8(§7Team§8) §8- §7Teleportiert zum Teamserver.
 TEAM_HELP_CREATE=§8/§7team create §8- §7Erstelle dein eigenes Team.
 TEAM_HELP_JOIN=§8/§7team join §8- §7Trete einem Team bei.
 TEAM_HELP_CHAT=§8/§7teamchat §8- §7Sende Nachrichten an dein Team.
@@ -375,6 +376,7 @@ TEAM_HELP_NAME=§8/§7team changename §8- §7Ändere deinen Teamnamen.
 TEAM_HELP_COLOR=§8/§7team changecolor §8- §7Ändere deine Teamfarbe.
 TEAM_HELP_LEADER=§8/§7team promote §8- §7Ernenne jemanden zum Teamleader.
 TEAM_HELP_STEP_BACK=§8/§7team stepback §8- §7Tritt als Leader zurück.
+TEAM_HELP_SERVER=§8/§7team server §8[§eIP/Adresse§8] §8(§7Port§8) §8- §7Setzt Adresse des Teamservers.
 
 #Team Create
 TEAM_CREATE_USAGE=§8/§7team create §8[§eTeamkürzel§8] §8[§eTeamname§8]
@@ -460,6 +462,13 @@ TEAM_EVENT_HOW_TO_LEAVE=§7Um die Teilnahme abzusagen, wiederhole den Befehl
 #Team Color
 TEAM_COLOR_TITLE=Farbe wählen
 
+#Team Server
+TEAM_SERVER_USAGE=§8/§7team server §8[§eIP/Adresse§8] §8(§7Port§8) §8- §7Setzt Adresse des Teamservers.
+TEAM_SERVER_SET=§7Du hast die Teamserveradresse geändert§8!
+TEAM_SERVER_PORT_INVALID=§cUnmögliche Portnummer.
+TEAM_NO_ADDRESS=§cTeamserveradresse nicht gesetzt.
+TEAM_TP_NO_TEAM=§cUnbekanntes Team.
+
 #TpCommand
 TP_USAGE=§8/§7tp §8[§eSpieler§8]
 TP_USAGE_EVENT=§8/§7tp §8[§eSpieler §7oder §eTeam§8]