src/de/steamwar/bungeecore/BungeeCore.java

@@ -120,10 +120,10 @@ public class BungeeCore extends Plugin {
         new ListCommand();
         new StatCommand();
         new VerifyCommand();
-        new ReplayCommand();
         new GDPRQuery();
         new PlaytimeCommand();
         new ArenaCommand();
+        new RankCommand();
 
         // Punishment Commands:
         new PunishmentCommand("ban", Punishment.PunishmentType.Ban);
@@ -140,7 +140,8 @@ public class BungeeCore extends Plugin {
             new ChallengeCommand();
             new HistoricCommand();
             new CheckCommand();
-            new RankCommand();
+            new ReplayCommand();
+            new TutorialCommand();
 
             new Broadcaster();
         }else{

src/de/steamwar/bungeecore/EventStarter.java

@@ -64,12 +64,13 @@ public class EventStarter implements Runnable {
 
             Team blue = Team.get(next.getTeamBlue());
             Team red = Team.get(next.getTeamRed());
-            String serverName = blue.getTeamKuerzel() + " vs " + red.getTeamKuerzel();
-            Subserver subserver = SubserverSystem.startEventArena(next, serverName);
+            ServerStarter starter = new ServerStarter().event(next);
 
             ProxiedPlayer leiter = ProxyServer.getInstance().getPlayer(SteamwarUser.get(next.getKampfleiter()).getUuid());
             if(leiter != null)
-                SubserverSystem.sendPlayer(subserver, leiter);
+                starter.send(leiter);
+
+            Subserver subserver = starter.start();
 
             eventServer.put(blue.getTeamId(), subserver);
             eventServer.put(red.getTeamId(), subserver);

src/de/steamwar/bungeecore/ServerStarter.java

@@ -0,0 +1,272 @@
+package de.steamwar.bungeecore;
+
+import de.steamwar.bungeecore.sql.EventFight;
+import de.steamwar.bungeecore.sql.SteamwarUser;
+import de.steamwar.bungeecore.sql.Team;
+import de.steamwar.bungeecore.sql.Tutorial;
+import net.md_5.bungee.api.ProxyServer;
+import net.md_5.bungee.api.connection.ProxiedPlayer;
+
+import java.io.File;
+import java.net.InetSocketAddress;
+import java.time.format.DateTimeFormatter;
+import java.util.*;
+import java.util.function.BooleanSupplier;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+public class ServerStarter {
+
+    private static final boolean MAIN_SERVER = ProxyServer.getInstance().getConfig().getListeners().stream().anyMatch(info -> ((InetSocketAddress) info.getSocketAddress()).getPort() == 25565);
+    private static final Portrange BAU_PORTS = MAIN_SERVER ? new Portrange(10100, 20000) : new Portrange(2100, 2200);
+    private static final Portrange ARENA_PORTS = MAIN_SERVER ? new Portrange(3000, 3100) : (BungeeCore.EVENT_MODE ? new Portrange(4000, 5000) : BAU_PORTS);
+
+    private static final String BACKBONE = "/home/minecraft/";
+    private static final String SERVER_PATH = BACKBONE + "server/";
+    private static final String EVENT_PATH = BACKBONE + "event/";
+    public static final String TEMP_WORLD_PATH =  BACKBONE + "arenaserver/";
+    public static final String TUTORIAL_PATH = BACKBONE + "tutorials/";
+
+    private File directory = null;
+    private String worldDir = null;
+
+    private Node node = null;
+    private String serverJar = "spigot-1.15.2.jar";
+    private String xmx = "768M";
+    private Portrange portrange = BAU_PORTS;
+    private Function<Integer, String> serverNameProvider = port -> node.getName() + port;
+    private BooleanSupplier startCondition = () -> true;
+    private ServerConstructor constructor = (serverName, port, builder, shutdownCallback) -> new Subserver(Servertype.ARENA, serverName, port, builder, shutdownCallback);
+    private Runnable worldSetup = () -> {};
+    private String worldName = null;
+    private Runnable worldCleanup = () -> {};
+
+    private final Set<ProxiedPlayer> playersToSend = new HashSet<>();
+    private final Map<String, String> arguments = new HashMap<>();
+
+    public ServerStarter arena(ArenaMode mode, String map) {
+        portrange = ARENA_PORTS;
+        serverNameProvider = port -> mode.getChatName() + (port - portrange.start);
+        serverJar = mode.serverJar();
+        directory = new File(SERVER_PATH, mode.getFolder());
+        arguments.put("config", mode.getConfig());
+        tempWorld(SERVER_PATH + mode.getFolder() + "/arenas/" + map);
+        return this;
+    }
+
+    public ServerStarter event(EventFight eventFight) {
+        arena(eventFight.getSpielmodus(), eventFight.getMap());
+        node = Node.local;
+        worldDir = EVENT_PATH;
+        worldCleanup = () -> {};
+        arguments.put("fightID", String.valueOf(eventFight.getFightID()));
+
+        String serverName = Team.get(eventFight.getTeamBlue()).getTeamKuerzel() + " vs " + Team.get(eventFight.getTeamRed()).getTeamKuerzel();
+        serverNameProvider = port -> serverName;
+        worldName = serverToWorldName(serverName + eventFight.getStartTime().toLocalDateTime().format(DateTimeFormatter.ISO_TIME));
+        return this;
+    }
+
+    public ServerStarter test(ArenaMode mode, String map, ProxiedPlayer owner) {
+        arena(mode, map);
+        buildWithTemp(owner);
+        portrange = BAU_PORTS;
+        arguments.put("fightID", String.valueOf(-1));
+        return send(owner);
+    }
+
+    public ServerStarter blueLeader(ProxiedPlayer player) {
+        arguments.put("blueLeader", player.getUniqueId().toString());
+        return send(player);
+    }
+
+    public ServerStarter redLeader(ProxiedPlayer player) {
+        arguments.put("redLeader", player.getUniqueId().toString());
+        return send(player);
+    }
+
+    public ServerStarter check(int schemID) {
+        arguments.put("checkSchemID", String.valueOf(schemID));
+        return this;
+    }
+
+    public ServerStarter prepare(int schemID) {
+        arguments.put("prepareSchemID", String.valueOf(schemID));
+        return this;
+    }
+
+    public ServerStarter replay(int replayID) {
+        arguments.put("replay", String.valueOf(replayID));
+        return this;
+    }
+
+    public ServerStarter build15(UUID owner) {
+        directory = new File(SERVER_PATH, "Bau15");
+        worldDir = BungeeCore.USERWORLDS15;
+        worldName = String.valueOf(SteamwarUser.get(owner).getId());
+        buildWithWorld(owner, BungeeCore.BAUWELT15);
+        return this;
+    }
+
+    public ServerStarter build12(UUID owner) {
+        directory = new File(SERVER_PATH, "UserBau");
+        serverJar = "spigot-1.12.2.jar";
+        xmx = "256M";
+        worldDir = BungeeCore.WORLD_FOLDER;
+        worldName = owner.toString();
+        buildWithWorld(owner, BungeeCore.BAUWELT_PROTOTYP);
+        return this;
+    }
+
+    public ServerStarter tutorial(ProxiedPlayer owner, Tutorial tutorial) {
+        directory = new File(SERVER_PATH, "Tutorial");
+        buildWithTemp(owner);
+        tempWorld(TUTORIAL_PATH + tutorial.id());
+        arguments.put("tutorial", String.valueOf(tutorial.id()));
+        return send(owner);
+    }
+
+    private void tempWorld(String template) {
+        worldDir = TEMP_WORLD_PATH;
+        worldSetup = () -> copyWorld(node, template, worldDir + worldName);
+        worldCleanup = () -> SubserverSystem.deleteFolder(node, worldDir + worldName);
+    }
+
+    private void buildWithWorld(UUID owner, String prototype) {
+        build(owner);
+
+        worldSetup = () -> {
+            File world = new File(worldDir, worldName);
+            if (!world.exists())
+                copyWorld(node, prototype, world.getPath());
+        };
+
+        // Send players to existing server
+        startCondition = () -> {
+            for(Subserver subserver : Subserver.getServerList()) {
+                if(subserver.getType() == Servertype.BAUSERVER && ((Bauserver)subserver).getOwner().equals(owner)) {
+                    for(ProxiedPlayer p : playersToSend)
+                        SubserverSystem.sendPlayer(subserver, p);
+                    return false;
+                }
+            }
+            return true;
+        };
+    }
+
+    private void buildWithTemp(ProxiedPlayer owner) {
+        build(owner.getUniqueId());
+
+        // Stop existing build server
+        startCondition = () -> {
+            if(startingBau(owner))
+                return false;
+
+            for (Subserver subserver : Subserver.getServerList()) {
+                if (subserver.getType() == Servertype.BAUSERVER && ((Bauserver) subserver).getOwner().equals(owner.getUniqueId()) && subserver.hasStarted()) {
+                    subserver.stop();
+                    break;
+                }
+            }
+
+            return !startingBau(owner);
+        };
+    }
+
+    private void build(UUID owner) {
+        constructor = (serverName, port, builder, shutdownCallback) -> new Bauserver(serverName, owner, port, builder, shutdownCallback);
+        serverNameProvider = port -> bauServerName(SteamwarUser.get(owner));
+    }
+
+    public ServerStarter send(ProxiedPlayer player) {
+        playersToSend.add(player);
+        return this;
+    }
+
+    public Subserver start() {
+        if(!startCondition.getAsBoolean())
+            return null;
+
+        int port = portrange.freePort();
+        String serverName = serverNameProvider.apply(port);
+
+        if(node == null)
+            node = Node.getNode();
+        if(worldName == null)
+            worldName = serverToWorldName(serverName);
+
+        worldSetup.run();
+        arguments.put("logPath", worldName);
+
+        Subserver subserver = constructor.construct(serverName, port, node.startServer(
+                serverJar, directory, worldDir, worldName, port, xmx, arguments.entrySet().stream().map(entry -> entry.getKey() + "=" + entry.getValue()).toArray(String[]::new)
+        ), worldCleanup);
+
+        for(ProxiedPlayer p : playersToSend)
+            SubserverSystem.sendPlayer(subserver, p);
+
+        return subserver;
+    }
+
+    private static boolean startingBau(ProxiedPlayer p) {
+        for (Subserver subserver : Subserver.getServerList()) {
+            if (subserver.getType() == Servertype.BAUSERVER && ((Bauserver) subserver).getOwner().equals(p.getUniqueId()) && !subserver.hasStarted()) {
+                Message.send("BAU_START_ALREADY", p);
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public static String bauServerName(SteamwarUser user) {
+        return user.getUserName() + "s Bau";
+    }
+
+    public static String serverToWorldName(String serverName) {
+        return serverName.replace(' ', '_').replace("[", "").replace("]", "");
+    }
+
+    public static void copyWorld(Node node, String template, String target) {
+        node.execute("cp", "-r", template, target);
+    }
+
+    private interface ServerConstructor {
+        Subserver construct(String serverName, int port, ProcessBuilder builder, Runnable shutdownCallback);
+    }
+
+    private static class Portrange {
+
+        private final int start;
+        private final int end;
+        private int current;
+
+        private Portrange(int start, int end) {
+            this.start = start;
+            this.end = end;
+            current = start;
+        }
+
+        private void increment() {
+            current++;
+
+            if(current == end)
+                current = start;
+        }
+
+        private synchronized int freePort() {
+            Set<Integer> usedPorts;
+
+            synchronized (Subserver.getServerList()) {
+                usedPorts = Subserver.getServerList().stream().map(server -> ((InetSocketAddress) server.getServer().getSocketAddress()).getPort()).collect(Collectors.toSet());
+            }
+
+            while(usedPorts.contains(current)) {
+                increment();
+            }
+
+            int result = current;
+            increment();
+            return result;
+        }
+    }
+}

src/de/steamwar/bungeecore/SubserverSystem.java

@@ -21,157 +21,21 @@ package de.steamwar.bungeecore;
 
 import de.steamwar.bungeecore.comms.handlers.FightInfoHandler;
 import de.steamwar.bungeecore.comms.packets.StartingServerPacket;
-import de.steamwar.bungeecore.sql.EventFight;
 import de.steamwar.bungeecore.sql.IgnoreSystem;
 import de.steamwar.bungeecore.sql.SteamwarUser;
 import net.md_5.bungee.api.ProxyServer;
 import net.md_5.bungee.api.chat.ClickEvent;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
 
-import java.io.File;
-import java.net.InetSocketAddress;
-import java.time.format.DateTimeFormatter;
-import java.util.Set;
 import java.util.UUID;
-import java.util.stream.Collectors;
 
 public class SubserverSystem {
     private SubserverSystem(){}
 
-    private static final String BACKBONE = "/home/minecraft/";
-    private static final String ARENA_PATH =  BACKBONE + "arenaserver/";
-    private static final String SERVER_PATH = BACKBONE + "server/";
-    private static final String EVENT_PATH = BACKBONE + "event/";
-
-    private static final boolean MAIN_SERVER = ProxyServer.getInstance().getConfig().getListeners().stream().anyMatch(info -> ((InetSocketAddress) info.getSocketAddress()).getPort() == 25565);
-    private static final Portrange bauPorts = MAIN_SERVER ? new Portrange(10100, 20000) : new Portrange(2100, 2200);
-    private static final Portrange arenaPorts = MAIN_SERVER ? new Portrange(3000, 3100) : (BungeeCore.EVENT_MODE ? new Portrange(4000, 5000) : bauPorts);
-
-    /**
-     * This function starts every arena (even test- and eventarenas).
-     *
-     * @param modus
-     * This has to be a valid arena mode
-     *
-     * @param map
-     * This String must be the internal map name of the selected map
-     *
-     * @param eventFightID
-     * For a normal arena: 0
-     * For a test arena: -1
-     * For an event arena: EventFightID of the fight
-     *
-     * @param replayID
-     * @param serverName
-     * The name of the server (for event and test arenas)
-     *  or null (autogenerated arena name modus.getDisplayName() + number)
-     *
-     * @param mapName
-     * The name of the map copy the server runs on (for event and test arenas)
-     *  or null (autogenerated map name equals server name)
-     *
-     * @param player1
-     * For event and normal arenas: The UUID of the designated leader for the blue team
-     *  or null (no designated leader).
-     * For test arenas: The owner's UUID of the test arena (disables normal function).
-     *
-     * @param player2
-     * For event, test and normal arenas: The UUID of the designated leader for the red team
-     *  or null (no designated leader).
-     *
-     * @return
-     * The new started subserver.
-     */
-    public static synchronized Subserver startArena(ArenaMode modus, String map, int eventFightID, int checkSchemID, int prepareSchemID, int replayID, String serverName, String mapName, UUID player1, UUID player2){
-        //Generate missing parameters
-        Node node = eventFightID > 0 ? Node.local : Node.getNode();
-        int port = arenaPorts.freePort();
-
-        if(serverName == null){
-            serverName = modus.getDisplayName() + (port - arenaPorts.start);
-        }
-        if(mapName == null)
-            mapName = serverName;
-
-        mapName = mapName.replace(' ', '_').replace("[", "").replace("]", "");
-
-        String worldDir;
-        if(eventFightID > 0)
-            worldDir = EVENT_PATH;
-        else
-            worldDir = ARENA_PATH;
-
-        //Copy world
-        node.execute("cp", "-r", SERVER_PATH + modus.getFolder() + "/arenas/" + map, worldDir + mapName);
-
-        File directory = new File(SERVER_PATH, modus.getFolder());
-        ProcessBuilder builder = node.startServer(
-                modus.serverJar(), directory, worldDir, mapName, port, "768M",
-                "logPath=" + mapName, "config=" + modus.getConfig(),
-                "fightID=" + eventFightID,
-                "checkSchemID=" + checkSchemID, "prepareSchemID=" + prepareSchemID,
-                "replay=" + replayID,
-                player1 != null && eventFightID != -1 ? "blueLeader=" + player1 : null,
-                player2 != null ? "redLeader=" + player2 : null
-        );
-
-        String finalMapName = mapName;
-        if(eventFightID == -1)
-            return new Bauserver(serverName, player1, port, builder, () -> deleteFolder(node, ARENA_PATH + finalMapName));
-        else
-            return new Subserver(Servertype.ARENA, serverName, port, builder, () -> {
-                if(eventFightID > 0)
-                    return;
-                deleteFolder(node, ARENA_PATH + finalMapName);
-            });
-    }
-
-    public static void deleteFolder(Node node, String worldName){
+    public static void deleteFolder(Node node, String worldName) {
         node.execute("rm", "-r", worldName);
     }
 
-    public static Subserver startEventArena(EventFight eventFight, String serverName){
-        return startArena(
-                eventFight.getSpielmodus(),
-                eventFight.getMap(),
-                eventFight.getFightID(),
-                0,
-                0,
-                0, serverName,
-                serverName + eventFight.getStartTime().toLocalDateTime().format(DateTimeFormatter.ISO_TIME),
-                null,
-                null);
-    }
-
-    public static void startTestServer(ProxiedPlayer p, ArenaMode m, String map, int checkSchemId, int prepareSchemId){
-        sendPlayer(startArena(m, map, -1, checkSchemId, prepareSchemId, 0, p.getName() + "s Bau", p.getName(), p.getUniqueId(), null), p);
-    }
-
-    private static synchronized void sendToBau(ProxiedPlayer p, UUID owner, String prototype, String worldFolder, String serverJar, String worldDir, String worldName, String xmx, String serverName){
-        if(bauRunning(p, owner))
-            return;
-
-        copyBauweltIfRequired(prototype, worldFolder + worldName);
-        SteamwarUser user = SteamwarUser.get(owner);
-        File directory = new File(SERVER_PATH, serverName);
-        Node node = Node.getNode();
-        int port = bauPorts.freePort();
-
-
-        sendPlayer(new Bauserver(user.getUserName() + "s Bau", owner, port, node.startServer(
-                serverJar, directory, worldDir, worldName, port, xmx, "logPath=" + worldName
-        ), () -> {}), p);
-    }
-
-    public static void sendToBauServer(ProxiedPlayer p, UUID owner){
-        sendToBau(p, owner, BungeeCore.BAUWELT_PROTOTYP, BungeeCore.WORLD_FOLDER, "spigot-1.12.2.jar", "/home/minecraft/userworlds", owner.toString(), "256M", "UserBau");
-    }
-
-    public static void sendToBau15(ProxiedPlayer p, UUID owner){
-        SteamwarUser user = SteamwarUser.get(owner);
-        sendToBau(p, owner, BungeeCore.BAUWELT15, BungeeCore.USERWORLDS15, "spigot-1.15.2.jar", "/home/minecraft/userworlds15", String.valueOf(user.getId()), "768M", "Bau15");
-    }
-
     public static void sendDeniedMessage(ProxiedPlayer p, UUID owner){
         ProxiedPlayer o = ProxyServer.getInstance().getPlayer(owner);
         if(o == null)
@@ -191,57 +55,4 @@ public class SubserverSystem {
         if(!subserver.hasStarted() && FightInfoHandler.onLobby(player))
             new StartingServerPacket(SteamwarUser.get(player.getUniqueId())).send(player);
     }
-
-    private static boolean bauRunning(ProxiedPlayer p, UUID owner){
-        for(Subserver subserver : Subserver.getServerList()){
-            if(subserver.getType() == Servertype.BAUSERVER && ((Bauserver)subserver).getOwner().equals(owner)){
-                sendPlayer(subserver, p);
-                return true;
-            }
-        }
-        return false;
-    }
-
-    private static void copyBauweltIfRequired(String sourcePath, String targetPath){
-        File w = new File(targetPath);
-        if (!w.exists() || !w.isDirectory())
-            Node.local.execute("cp", "-r", sourcePath, targetPath);
-    }
-
-
-    private static class Portrange {
-
-        private final int start;
-        private final int end;
-        private int current;
-
-        private Portrange(int start, int end) {
-            this.start = start;
-            this.end = end;
-            current = start;
-        }
-
-        private void increment() {
-            current++;
-
-            if(current == end)
-                current = start;
-        }
-
-        private synchronized int freePort() {
-            Set<Integer> usedPorts;
-
-            synchronized (Subserver.getServerList()) {
-                usedPorts = Subserver.getServerList().stream().map(server -> ((InetSocketAddress) server.getServer().getSocketAddress()).getPort()).collect(Collectors.toSet());
-            }
-
-            while(usedPorts.contains(current)) {
-                increment();
-            }
-
-            int result = current;
-            increment();
-            return result;
-        }
-    }
 }

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

@@ -45,20 +45,17 @@ public class BauCommand extends BasicCommand {
         ProxiedPlayer p = (ProxiedPlayer) sender;
 
         if(args.length == 0){
-            if(bau15(p, args, 0))
-                SubserverSystem.sendToBau15(p, p.getUniqueId());
-            else
-                SubserverSystem.sendToBauServer(p, p.getUniqueId());
+            (bau15(p, args, 0) ? new ServerStarter().build15(p.getUniqueId()) : new ServerStarter().build12(p.getUniqueId())).send(p).start();
             return;
         }
 
         switch(args[0].toLowerCase()){
-            case "ws":
-            case "warship":
             case "12":
             case "1.12":
-                SubserverSystem.sendToBauServer(p, p.getUniqueId());
+                new ServerStarter().build12(p.getUniqueId()).send(p).start();
                 break;
+            case "ws":
+            case "warship":
             case "as":
             case "airship":
             case "mwg":
@@ -67,7 +64,7 @@ public class BauCommand extends BasicCommand {
             case "wargear":
             case "15":
             case "1.15":
-                SubserverSystem.sendToBau15(p, p.getUniqueId());
+                new ServerStarter().build15(p.getUniqueId()).send(p).start();
                 break;
             case "addmember":
                 addmember(p, args);
@@ -143,10 +140,7 @@ public class BauCommand extends BasicCommand {
             return;
         }
 
-        if(bau15(p, args, 2))
-            SubserverSystem.sendToBau15(p, worldOwner.getUuid());
-        else
-            SubserverSystem.sendToBauServer(p, worldOwner.getUuid());
+        (bau15(p, args, 2) ? new ServerStarter().build15(worldOwner.getUuid()) : new ServerStarter().build12(worldOwner.getUuid())).send(p).start();
     }
 
     private static boolean bau15(ProxiedPlayer p, String[] args, int pos){
@@ -259,40 +253,8 @@ public class BauCommand extends BasicCommand {
         });
     }
 
-    private static boolean startingBau(ProxiedPlayer p) {
-        for (Subserver subserver : Subserver.getServerList()) {
-            if (subserver.getType() == Servertype.BAUSERVER && ((Bauserver) subserver).getOwner().equals(p.getUniqueId()) && !subserver.hasStarted()) {
-                Message.send("BAU_START_ALREADY", p);
-                return true;
-            }
-        }
-        return false;
-    }
-
-    public static boolean stopBauserver(ProxiedPlayer p){
-        if(startingBau(p))
-            return false;
-
-        for (Subserver subserver : Subserver.getServerList()) {
-            if (subserver.getType() == Servertype.BAUSERVER && ((Bauserver) subserver).getOwner().equals(p.getUniqueId()) && subserver.hasStarted()) {
-                subserver.stop();
-                try {
-                    Thread.sleep(200); // Wait until possible testarena-World has been deleted
-                } catch (InterruptedException e) {
-                    throw new SecurityException("Subserver stop interrupted", e);
-                }
-                break;
-            }
-        }
-
-        return !startingBau(p);
-    }
-
     private static void testarena(ProxiedPlayer p, String[] args){
-        FightCommand.createArena(p, "/bau testarena ", args, 1, false, (player, mode, map) -> ProxyServer.getInstance().getScheduler().runAsync(BungeeCore.get(), () -> {
-            if(stopBauserver(p))
-                SubserverSystem.startTestServer(p, mode, map, 0, 0);
-        }));
+        FightCommand.createArena(p, "/bau testarena ", args, 1, false, (player, mode, map) -> ProxyServer.getInstance().getScheduler().runAsync(BungeeCore.get(), () -> new ServerStarter().test(mode, map, p).start()));
     }
 
     private static BauweltMember member(ProxiedPlayer p, SteamwarUser member){

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

@@ -76,11 +76,7 @@ public class ChallengeCommand extends BasicCommand {
                 challenges.remove(target);
                 challenges.remove(player);
 
-                Subserver arena = SubserverSystem.startArena(mode, map, 0, 0, 0, 0, null, null, player.getUniqueId(), target.getUniqueId());
-
-                SubserverSystem.sendPlayer(arena, player);
-                SubserverSystem.sendPlayer(arena, target);
-
+                Subserver arena = new ServerStarter().arena(mode, map).blueLeader(player).redLeader(target).start();
                 Message.broadcast("CHALLENGE_BROADCAST", "CHALLENGE_BROADCAST_HOVER",
                         new ClickEvent(ClickEvent.Action.RUN_COMMAND, "/arena " + arena.getServer().getName()), mode.getDisplayName(), player.getName(), target.getName());
             }else{

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

@@ -228,13 +228,12 @@ public class CheckCommand extends BasicCommand {
             this.checkList = checkQuestions.get(schematic.getSchemtype()).listIterator();
 
             ProxyServer.getInstance().getScheduler().runAsync(BungeeCore.get(), () -> {
-                if(!BauCommand.stopBauserver(checker)){
+                ArenaMode mode = ArenaMode.getBySchemType(schematic.getSchemtype().fightType());
+                if(new ServerStarter().test(mode, mode.getRandomMap(), checker).check(schematic.getId()).start() == null) {
                     remove();
                     return;
                 }
 
-                ArenaMode mode = ArenaMode.getBySchemType(schematic.getSchemtype().fightType());
-                SubserverSystem.startTestServer(checker, mode, FightCommand.getMap(checker, mode, "Random"), schematic.getId(), 0);
                 currentCheckers.put(checker.getUniqueId(), this);
                 currentSchems.put(schematic.getId(), this);
                 for(CheckedSchematic previous : CheckedSchematic.previousChecks(schematic))

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

@@ -164,8 +164,7 @@ public class FightCommand extends BasicCommand {
     @Override
     public void execute(CommandSender sender, String[] args) {
         createArena(sender, "/fight ", args, 0, false, (player, mode, map) -> {
-            Subserver arena = SubserverSystem.startArena(mode, map, 0, 0, 0, 0, null, null, player.getUniqueId(), null);
-            SubserverSystem.sendPlayer(arena, player);
+            Subserver arena = new ServerStarter().arena(mode, map).blueLeader(player).start();
             Message.broadcast("FIGHT_BROADCAST", "FIGHT_BROADCAST_HOVER"
                     , new ClickEvent(ClickEvent.Action.RUN_COMMAND, "/arena " + arena.getServer().getName()), mode.getDisplayName(), player.getName());
         });

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

@@ -19,10 +19,7 @@
 
 package de.steamwar.bungeecore.commands;
 
-import de.steamwar.bungeecore.ArenaMode;
-import de.steamwar.bungeecore.Message;
-import de.steamwar.bungeecore.Subserver;
-import de.steamwar.bungeecore.SubserverSystem;
+import de.steamwar.bungeecore.*;
 import net.md_5.bungee.api.CommandSender;
 import net.md_5.bungee.api.chat.ClickEvent;
 
@@ -36,8 +33,7 @@ public class HistoricCommand extends BasicCommand {
     @Override
     public void execute(CommandSender sender, String[] args) {
         FightCommand.createArena(sender, "/historic ", args, 0, true, (player, mode, map) -> {
-            Subserver arena = SubserverSystem.startArena(mode, map, 0, 0, 0, 0, null, null, player.getUniqueId(), null);
-            SubserverSystem.sendPlayer(arena, player);
+            Subserver arena = new ServerStarter().arena(mode, map).blueLeader(player).start();
             Message.broadcast("HISTORIC_BROADCAST", "HISTORIC_BROADCAST_HOVER"
                     , new ClickEvent(ClickEvent.Action.RUN_COMMAND, "/arena " + arena.getServer().getName()), mode.getDisplayName(), player.getName());
         });

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

@@ -1,8 +1,25 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2022  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.commands;
 
-import de.steamwar.bungeecore.ArenaMode;
-import de.steamwar.bungeecore.Message;
-import de.steamwar.bungeecore.SubserverSystem;
+import de.steamwar.bungeecore.*;
 import de.steamwar.bungeecore.inventory.SWItem;
 import de.steamwar.bungeecore.inventory.SWListInv;
 import de.steamwar.bungeecore.inventory.SWStreamInv;
@@ -30,16 +47,16 @@ public class ReplayCommand extends BasicCommand {
 
         new SWStreamInv<>(player, Message.parse("REPLAY_TITLE", player), (click, fight) -> {
             SteamwarUser user = SteamwarUser.get(player.getUniqueId());
-            boolean adminReplay = false;
+            ArenaMode mode = fight.getGameMode();
+            ServerStarter starter = new ServerStarter().replay(fight.getFightID()).blueLeader(player);
+
             if (user.getUserGroup().isAdminGroup() && click.isShiftClick() && fight.replayExists()) {
-                adminReplay = true;
+                starter.test(mode, mode.getRandomMap(), player).start();
             } else if(!fight.replayAllowed()) {
                 Message.send("REPLAY_UNAVAILABLE", player);
-                return;
+            } else {
+                starter.arena(mode, mode.getRandomMap()).start();
             }
-            ArenaMode mode = fight.getGameMode();
-
-            SubserverSystem.sendPlayer(SubserverSystem.startArena(mode, mode.getRandomMap(), adminReplay ? -1 : 0, 0, 0, fight.getFightID(), null, null, null, null), player);
         }, page -> Fight.getPage(page, 45).stream().map(fight -> new SWListInv.SWListEntry<>(getFightItem(player, fight), fight)).collect(Collectors.toList())).open();
     }
 

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

@@ -0,0 +1,173 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2022  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.commands;
+
+import de.steamwar.bungeecore.*;
+import de.steamwar.bungeecore.inventory.SWInventory;
+import de.steamwar.bungeecore.inventory.SWItem;
+import de.steamwar.bungeecore.inventory.SWListInv;
+import de.steamwar.bungeecore.inventory.SWStreamInv;
+import de.steamwar.bungeecore.sql.SteamwarUser;
+import de.steamwar.bungeecore.sql.Tutorial;
+import net.md_5.bungee.api.CommandSender;
+import net.md_5.bungee.api.connection.ProxiedPlayer;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.logging.Level;
+import java.util.stream.Collectors;
+
+public class TutorialCommand extends BasicCommand {
+
+    public TutorialCommand() {
+        super("tutorial", null);
+    }
+
+    @Override
+    public void execute(CommandSender sender, String[] args) {
+        if(!(sender instanceof ProxiedPlayer))
+            return;
+        ProxiedPlayer player = (ProxiedPlayer) sender;
+
+        if(args.length != 0) {
+            switch(args[0].toLowerCase()) {
+                case "rate":
+                    if(args.length < 2) {
+                        BungeeCore.get().getLogger().log(Level.SEVERE, "rate executed with missing argument");
+                        return;
+                    }
+
+                    int id;
+                    try {
+                        id = Integer.parseInt(args[1]);
+                    } catch (NumberFormatException e) {
+                        BungeeCore.get().getLogger().log(Level.SEVERE, "rate executed with non number: " + args[1]);
+                        return;
+                    }
+
+                    Tutorial tutorial = Tutorial.get(id);
+                    if(tutorial == null) {
+                        BungeeCore.get().getLogger().log(Level.SEVERE, "rate executed with nonexistent id: " + id);
+                        return;
+                    }
+
+                    rate(player, tutorial);
+                    break;
+                case "create":
+                    if(args.length < 3) {
+                        Message.send("TUTORIAL_CREATE_HELP", player);
+                        return;
+                    }
+
+                    String material = args[1].toUpperCase();
+                    String name = Arrays.stream(args).skip(2).collect(Collectors.joining(" "));
+                    create(player, name, material);
+                    break;
+                case "own":
+                    openInventory(player, false, true);
+                    break;
+
+                case "unreleased":
+                    if (SteamwarUser.get(player.getUniqueId()).getUserGroup().isTeamGroup()) {
+                        openInventory(player, false, false);
+                        break;
+                    }
+                default:
+                    Message.send("TUTORIAL_CREATE_HELP", player);
+                    Message.send("TUTORIAL_OWN_HELP", player);
+            }
+            return;
+        }
+
+        openInventory(player, true, false);
+    }
+
+    private void openInventory(ProxiedPlayer player, boolean released, boolean own) {
+        SteamwarUser user = SteamwarUser.get(player.getUniqueId());
+
+        new SWStreamInv<>(
+                player,
+                Message.parse("TUTORIAL_TITLE", player),
+                (click, tutorial) -> {
+                    if(!released && click.isShiftClick() && user.getUserGroup().isTeamGroup() && user != tutorial.creator()) {
+                        tutorial.release();
+                        return;
+                    }
+
+                    new ServerStarter().tutorial(player, tutorial).start();
+                },
+                page -> (own ? Tutorial.getOwn(user, page, 45) : Tutorial.getPage(page, 45, released)).stream().map(tutorial -> new SWListInv.SWListEntry<>(getTutorialItem(player, tutorial, own), tutorial)).collect(Collectors.toList())
+        ).open();
+    }
+
+    private SWItem getTutorialItem(ProxiedPlayer player, Tutorial tutorial, boolean highlightReleased) {
+        SWItem item = new SWItem(tutorial.item(), Message.parse("TUTORIAL_NAME", player, tutorial.name()));
+        item.setHideAttributes(true);
+
+        List<String> lore = new ArrayList<>();
+        lore.add(Message.parse("TUTORIAL_BY", player, tutorial.creator().getUserName()));
+        lore.add(Message.parse("TUTORIAL_STARS", player, tutorial.stars()));
+        item.setLore(lore);
+
+        if (highlightReleased && tutorial.released())
+            item.setEnchanted(true);
+
+        return item;
+    }
+
+    private void rate(ProxiedPlayer player, Tutorial tutorial) {
+        SteamwarUser user = SteamwarUser.get(player.getUniqueId());
+        int[] rates = new int[]{1, 2, 3, 4, 5};
+
+        new SWListInv<>(player, Message.parse("TUTORIAL_RATE_TITLE", player), Arrays.stream(rates).mapToObj(rate -> new SWListInv.SWListEntry<>(new SWItem("NETHER_STAR", Message.parse("TUTORIAL_RATE", player, rate)), rate)).collect(Collectors.toList()), (click, rate) -> {
+            tutorial.rate(user, rate);
+            SWInventory.close(player);
+        }).open();
+    }
+
+    private void create(ProxiedPlayer player, String name, String item) {
+        Subserver subserver = Subserver.getSubserver(player);
+        SteamwarUser user = SteamwarUser.get(player.getUniqueId());
+        File tempWorld = new File(ServerStarter.TEMP_WORLD_PATH, ServerStarter.serverToWorldName(ServerStarter.bauServerName(user)));
+
+        if(subserver == null || !subserver.hasStarted() || subserver.getType() != Servertype.BAUSERVER || !tempWorld.exists()) {
+            Message.send("TUTORIAL_CREATE_MISSING", player);
+            return;
+        }
+
+        subserver.execute("save-all");
+        try {
+            Thread.sleep(1000);
+        } catch (InterruptedException e) {
+            BungeeCore.get().getLogger().log(Level.WARNING, "Tutorial creation interrupted", e);
+            Thread.currentThread().interrupt();
+        }
+
+        Tutorial tutorial = Tutorial.create(user, name, item);
+        File tutorialWorld = new File(ServerStarter.TUTORIAL_PATH, String.valueOf(tutorial.id()));
+
+        if (tutorialWorld.exists())
+            SubserverSystem.deleteFolder(Node.local, tutorialWorld.getPath());
+        ServerStarter.copyWorld(Node.local, tempWorld.getPath(), tutorialWorld.getPath());
+        Message.send("TUTORIAL_CREATED", player);
+    }
+}

src/de/steamwar/bungeecore/comms/handlers/PrepareSchemHandler.java

@@ -21,8 +21,7 @@ package de.steamwar.bungeecore.comms.handlers;
 
 import com.google.common.io.ByteArrayDataInput;
 import de.steamwar.bungeecore.ArenaMode;
-import de.steamwar.bungeecore.SubserverSystem;
-import de.steamwar.bungeecore.commands.BauCommand;
+import de.steamwar.bungeecore.ServerStarter;
 import de.steamwar.bungeecore.comms.SpigotHandler;
 import de.steamwar.bungeecore.sql.SchematicType;
 import de.steamwar.bungeecore.sql.SteamwarUser;
@@ -37,7 +36,6 @@ public class PrepareSchemHandler implements SpigotHandler {
         int schematicID = in.readInt();
         ArenaMode mode = ArenaMode.getBySchemType(SchematicType.fromDB(in.readUTF()));
 
-        BauCommand.stopBauserver(player);
-        SubserverSystem.startTestServer(player, mode, mode.getRandomMap(), 0, schematicID);
+        new ServerStarter().test(mode, mode.getRandomMap(), player).prepare(schematicID).start();
     }
 }

src/de/steamwar/bungeecore/inventory/SWInventory.java

@@ -116,6 +116,10 @@ public class SWInventory {
     }
 
     public void close() {
+        close(player);
+    }
+
+    public static void close(ProxiedPlayer player) {
         new CloseInventoryPacket(SteamwarUser.get(player).getId()).send(player);
     }
 

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

@@ -0,0 +1,122 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2022  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.sql;
+
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class Tutorial {
+
+    private static final Statement by_popularity = new Statement("SELECT t.*, AVG(r.Stars) AS Stars FROM Tutorial t LEFT OUTER JOIN TutorialRating r ON t.TutorialID = r.TutorialID WHERE t.Released = ? GROUP BY t.TutorialID ORDER BY SUM(r.Stars) DESC LIMIT ?, ?");
+    private static final Statement own = new Statement("SELECT t.*, AVG(r.Stars) AS Stars FROM Tutorial t LEFT OUTER JOIN TutorialRating r ON t.TutorialID = r.TutorialID WHERE t.Creator = ? GROUP BY t.TutorialID ORDER BY t.TutorialID ASC LIMIT ?, ?");
+    private static final Statement by_creator_name = new Statement("SELECT t.*, AVG(r.Stars) AS Stars FROM Tutorial t LEFT OUTER JOIN TutorialRating r ON t.TutorialID = r.TutorialID WHERE t.Creator = ? AND t.Name = ? GROUP BY t.TutorialID");
+    private static final Statement by_id = new Statement("SELECT t.*, AVG(r.Stars) AS Stars FROM Tutorial t LEFT OUTER JOIN TutorialRating r ON t.TutorialID = r.TutorialID WHERE t.TutorialID = ? GROUP BY t.TutorialID");
+    private static final Statement rate = new Statement("INSERT INTO TutorialRating (TutorialID, UserID, Stars) VALUES (?, ?, ?) ON DUPLICATE KEY UPDATE Stars = VALUES(Stars)");
+    private static final Statement create = new Statement("INSERT INTO Tutorial (Creator, Name, Item) VALUES (?, ?, ?) ON DUPLICATE KEY UPDATE Item = VALUES(Item), Released = 0");
+    private static final Statement release = new Statement("UPDATE Tutorial SET Released = 1 WHERE TutorialID = ?");
+
+    public static List<Tutorial> getPage(int page, int elementsPerPage, boolean released) {
+        List<Tutorial> tutorials = by_popularity.select(rs -> {
+            List<Tutorial> t = new ArrayList<>();
+            while(rs.next())
+                t.add(new Tutorial(rs));
+            return t;
+        }, released, page * elementsPerPage, elementsPerPage);
+
+        SteamwarUser.batchCache(tutorials.stream().map(tutorial -> tutorial.creator).collect(Collectors.toSet()));
+        return tutorials;
+    }
+
+    public static List<Tutorial> getOwn(SteamwarUser user, int page, int elementsPerPage) {
+        return own.select(rs -> {
+            List<Tutorial> t = new ArrayList<>();
+            while(rs.next())
+                t.add(new Tutorial(rs));
+            return t;
+        }, user.getId(), page * elementsPerPage, elementsPerPage);
+    }
+
+    public static Tutorial create(SteamwarUser creator, String name, String item) {
+        create.update(creator.getId(), name, item);
+        return by_creator_name.select(rs -> {
+            rs.next();
+            return new Tutorial(rs);
+        }, creator.getId(), name);
+    }
+
+    public static Tutorial get(int id) {
+        return by_id.select(rs -> {
+            if(rs.next())
+                return new Tutorial(rs);
+            return null;
+        }, id);
+    }
+
+    private final int id;
+    private final int creator;
+    private final String name;
+    private final String item;
+    private final double stars;
+    private final boolean released;
+
+    public Tutorial(ResultSet rs) throws SQLException {
+        this.id = rs.getInt("TutorialID");
+        this.creator = rs.getInt("Creator");
+        this.name = rs.getString("Name");
+        this.item = rs.getString("Item");
+        this.released = rs.getBoolean("Released");
+        this.stars = rs.getDouble("Stars");
+    }
+
+    public SteamwarUser creator() {
+        return SteamwarUser.get(creator);
+    }
+
+    public double stars() {
+        return stars;
+    }
+
+    public int id() {
+        return id;
+    }
+
+    public String name() {
+        return name;
+    }
+
+    public String item() {
+        return item;
+    }
+
+    public boolean released() {
+        return released;
+    }
+
+    public void release() {
+        release.update(id);
+    }
+
+    public void rate(SteamwarUser user, int rating) {
+        rate.update(id, user.getId(), rating);
+    }
+}

src/de/steamwar/messages/BungeeCore.properties

@@ -333,6 +333,18 @@ REPLAY_LOSER=§e{0} §7+§e{1}
 REPLAY_TIME=§7{0}
 REPLAY_SERVER=§7{0}
 
+#TutorialCommand
+TUTORIAL_TITLE=Tutorials
+TUTORIAL_NAME=§e{0}
+TUTORIAL_BY=§8von §7{0}
+TUTORIAL_STARS=§e{0} §7Sterne
+TUTORIAL_RATE_TITLE=Tutorial bewerten
+TUTORIAL_RATE=§e{0} §7Stern(e)
+TUTORIAL_CREATE_HELP=§8/§7tutorial create §8[§eMaterial§8] §8[§eName§8]
+TUTORIAL_CREATE_MISSING=§cEin Tutorial kann nur von einem Tutorialserver aus erstellt werden!
+TUTORIAL_CREATED=§7Das Tutorial wurde erstellt§8.
+TUTORIAL_OWN_HELP=§8/§7tutorial own §8- §7Liste der eigenen Tutorials
+
 #ServerTeamchatCommand
 STC_USAGE=§8/§7stc §8[§eNachricht an das Team§8]
 STC_FORMAT=§8STC §e{0}» §r{1}