GlobalEventBus is now async instead

* merge widgets with development

* readd previous game thread code

* Revert "readd previous game thread code"

This reverts commit d24feef73e.

* Revert "Merge remote-tracking branch 'origin/Development' into Development"

This reverts commit 59d46cb73c, reversing
changes made to 38681c5db0.

* Revert "merge widgets with development"

This reverts commit 38681c5db0.

* Merge 292 into development (#293)

Applied template method pattern to abstract player

* Added documentation to player classes and improved method names (#295)

* mcts v1

* bitboard optimization

* bitboard fix & mcts v2 & mcts v3. v3 still in progress and v4 coming soon

* main

---------

Co-authored-by: ramollia <>
Co-authored-by: Stef <stbuwalda@gmail.com>
Co-authored-by: Stef <48526421+StefBuwalda@users.noreply.github.com>

app/src/main/java/org/toop/app/Server.java

@@ -19,7 +19,7 @@ import org.toop.framework.networking.connection.clients.TournamentNetworkingClie
 import org.toop.framework.networking.connection.events.NetworkEvents;
 import org.toop.framework.networking.connection.types.NetworkingConnector;
 import org.toop.framework.networking.server.gateway.NettyGatewayServer;
-import org.toop.game.players.LocalPlayer;
+import org.toop.framework.game.players.LocalPlayer;
 import org.toop.local.AppContext;
 
 import java.util.List;
@@ -117,7 +117,9 @@ public final class Server {
 				return;
 			}
 
-			primary = new ServerView(user, this::sendChallenge, clientId);
+			primary = new ServerView(user, this::sendChallenge, () -> {
+                GlobalEventBus.get().post(new NetworkEvents.SendCommand(clientId, "tournament", "start", "tic-tac-toe"));
+            }, clientId);
 			WidgetContainer.getCurrentView().transitionNextCustom(primary, "disconnect", this::disconnect);
 
 			a.unsubscribe("connecting");
@@ -196,30 +198,21 @@ public final class Server {
                 return;
             }
 
-            final int myTurn = response.playerToMove().equalsIgnoreCase(response.opponent()) ? 1 : 0;
+            final String startingPlayer = response.playerToMove();
+            final int userStartingTurn = startingPlayer.equalsIgnoreCase(user) ? 0 : 1;
+            final int opponentStartingTurn = 1 - userStartingTurn;
 
             final GameInformation information = new GameInformation(type);
-            //information.players[0] = playerInformation;
-            information.players[0].name = user;
-            information.players[0].isHuman = true; // Make false and uncomment/comment code at lines HERE To make use of AI.
-//            information.players[0].computerDifficulty = 5; // HERE
-//            information.players[0].computerThinkTime = 1; // HERE
-            information.players[1].name = response.opponent();
+            information.players[userStartingTurn].name = user;
+            information.players[opponentStartingTurn].name = response.opponent();
+
+            Player[] players = new Player[2];
+            players[userStartingTurn] = new LocalPlayer(user);
+            players[opponentStartingTurn] = new OnlinePlayer(response.opponent());
 
             switch (type) {
-                case TICTACTOE -> {
-                    Player[] players = new Player[2];
-                    players[Math.abs(myTurn-1)] = new OnlinePlayer(response.opponent());
-                    players[myTurn] = new LocalPlayer(user); // HERE
-//                    players[myTurn] = new ArtificialPlayer(new RandomAI(), user); // HERE
-                    gameController = new TicTacToeBitController(players);
-                }
-                case REVERSI -> {
-                    Player[] players = new Player[2];
-                    players[Math.abs(myTurn-1)] = new OnlinePlayer(response.opponent());
-                    players[myTurn] = new LocalPlayer(user); // HERE
-//                    players[myTurn] = new ArtificialPlayer(new RandomAI(), user); // HERE
-                    gameController = new ReversiBitController(players);}
+                case TICTACTOE -> gameController = new TicTacToeBitController(players);
+                case REVERSI -> gameController = new ReversiBitController(players);
                 default -> new ErrorPopup("Unsupported game type.");
 
             }

app/src/main/java/org/toop/app/canvas/BitGameCanvas.java

@@ -78,6 +78,7 @@ public abstract class BitGameCanvas implements GameCanvas {
 		}
 
 		canvas.setOnMouseClicked(event -> {
+
 			if (event.getButton() != MouseButton.PRIMARY) {
 				return;
 			}
@@ -93,9 +94,6 @@ public abstract class BitGameCanvas implements GameCanvas {
 			}
 		});
 
-
-
-
 		render();
 	}
 

app/src/main/java/org/toop/app/gameControllers/GenericGameController.java

@@ -16,7 +16,7 @@ import org.toop.framework.gameFramework.model.game.threadBehaviour.ThreadBehavio
 import org.toop.framework.gameFramework.model.player.Player;
 import org.toop.framework.gameFramework.view.GUIEvents;
 import org.toop.framework.networking.connection.events.NetworkEvents;
-import org.toop.game.players.LocalPlayer;
+import org.toop.framework.game.players.LocalPlayer;
 
 public class GenericGameController implements GameController {
     protected final EventFlow eventFlow = new EventFlow();
@@ -35,14 +35,16 @@ public class GenericGameController implements GameController {
 
     // TODO: Change gameType to automatically happen with either dependency injection or something else.
     public GenericGameController(GameCanvas canvas, TurnBasedGame game, ThreadBehaviour gameThreadBehaviour, String gameType) {
-        logger.info("Creating: " + this.getClass());
+        logger.info("Creating: {}", this.getClass());
 
         this.canvas = canvas;
         this.game = game;
         this.gameThreadBehaviour = gameThreadBehaviour;
 
         // Tell thread how to send moves
-        this.gameThreadBehaviour.setOnSendMove((id, m) -> GlobalEventBus.get().post(new NetworkEvents.SendMove(id, (short)translateMove(m))));
+        this.gameThreadBehaviour.setOnSendMove(
+                (id, m) -> GlobalEventBus.get().post(new NetworkEvents.SendMove(id, (short)translateMove(m)))
+        );
 
         // Tell thread how to update UI
         this.gameThreadBehaviour.setOnUpdateUI(() -> Platform.runLater(this::updateUI));
@@ -53,21 +55,37 @@ public class GenericGameController implements GameController {
         WidgetContainer.getCurrentView().transitionNext(gameView, true);
 
         // Listen to updates
+        logger.info("Game controller started listening");
         eventFlow
                 .listen(GUIEvents.GameEnded.class, this::onGameFinish, false)
-                .listen(GUIEvents.PlayerAttemptedMove.class, event -> {if (getCurrentPlayer() instanceof LocalPlayer lp){lp.setLastMove(event.move());}}, false);
+                .listen(GUIEvents.PlayerAttemptedMove.class, event -> {
+                    logger.info("User attempting move {}", event.move());
+                    logger.info("Current player's turn {}", getCurrentPlayer().getName());
+                    logger.info("First player {}", game.getPlayer(0).getName());
+                    logger.info("Username {}", getCurrentPlayer().getName());
+                    logger.info("User is class {}, {}", getCurrentPlayer().getClass(), getCurrentPlayer() instanceof LocalPlayer);
+                    if (getCurrentPlayer() instanceof LocalPlayer lp) {
+                        try {
+                            lp.setLastMove(event.move());
+                        } catch (Exception e) {
+                            IO.println(e);
+                        }
+                    }
+                }, false);
     }
 
     public void start(){
         logger.info("Starting GameManager");
         updateUI();
         gameThreadBehaviour.start();
+        logger.info("GameManager started");
     }
 
     public void stop(){
         logger.info("Stopping GameManager");
         removeListeners();
         gameThreadBehaviour.stop();
+        logger.info("GameManager stopped");
     }
 
     public Player getCurrentPlayer(){
@@ -98,7 +116,7 @@ public class GenericGameController implements GameController {
     }
 
     public Player getPlayer(int player){
-        if (player < 0 || player >= 2){ // TODO: Make game turn player count
+        if (player < 0 || player > game.getPlayerCount()-1){ // TODO: Make game turn player count
             logger.error("Invalid player index");
             throw new IllegalArgumentException("player out of range");
         }

app/src/main/java/org/toop/app/gameControllers/TicTacToeBitController.java

@@ -7,7 +7,6 @@ import org.toop.framework.game.gameThreads.LocalThreadBehaviour;
 import org.toop.framework.game.gameThreads.OnlineThreadBehaviour;
 import org.toop.framework.game.games.tictactoe.BitboardTicTacToe;
 import org.toop.framework.game.players.OnlinePlayer;
-import org.toop.framework.networking.server.OnlineGame;
 
 import java.util.Arrays;
 
@@ -19,6 +18,6 @@ public class TicTacToeBitController extends GenericGameController {
         ThreadBehaviour thread = Arrays.stream(players).anyMatch(e -> e instanceof OnlinePlayer) ?
                 new OnlineThreadBehaviour(game) : new LocalThreadBehaviour(game);
 
-        super(new TicTacToeBitCanvas(), game, thread , "TicTacToe");
+        super(new TicTacToeBitCanvas(), game, thread, "TicTacToe");
     }
 }

app/src/main/java/org/toop/app/widget/view/LocalMultiplayerView.java

@@ -12,7 +12,7 @@ import org.toop.app.widget.complex.PlayerInfoWidget;
 import org.toop.app.widget.complex.ViewWidget;
 import org.toop.app.widget.popup.ErrorPopup;
 import org.toop.app.widget.tutorial.*;
-import org.toop.game.players.LocalPlayer;
+import org.toop.framework.game.players.LocalPlayer;
 import org.toop.game.players.ai.MCTSAI;
 import org.toop.game.players.ai.MCTSAI2;
 import org.toop.game.players.ai.MCTSAI3;

app/src/main/java/org/toop/app/widget/view/ServerView.java

@@ -6,6 +6,7 @@ import javafx.scene.control.ComboBox;
 import org.toop.app.widget.Primitive;
 import org.toop.app.widget.complex.ViewWidget;
 
+import java.io.Reader;
 import java.util.List;
 import java.util.Locale;
 import java.util.function.Consumer;
@@ -20,15 +21,17 @@ import org.toop.framework.networking.connection.events.NetworkEvents;
 public final class ServerView extends ViewWidget {
 	private final String user;
 	private final Consumer<String> onPlayerClicked;
+    private final Runnable tournamentRequest;
 	private final long clientId;
 
 	private final ComboBox<String> gameList;
 	private final ListView<Button> listView;
 	private Button subscribeButton;
 
-	public ServerView(String user, Consumer<String> onPlayerClicked, long clientId) {
+	public ServerView(String user, Consumer<String> onPlayerClicked, Runnable tournamentRequest, long clientId) {
 		this.user = user;
 		this.onPlayerClicked = onPlayerClicked;
+        this.tournamentRequest = tournamentRequest;
 		this.clientId = clientId;
 
 		this.gameList = new ComboBox<>();
@@ -58,6 +61,17 @@ public final class ServerView extends ViewWidget {
 
 		add(Pos.CENTER, playerListSection);
 
+        var tournamentButton = Primitive.vbox(
+            Primitive.button(
+                    "tournament",
+                    tournamentRequest,
+                    false,
+                    false
+            )
+        );
+
+        add(Pos.BOTTOM_CENTER, tournamentButton);
+
 		var disconnectButton = Primitive.button(
 				"disconnect", () -> transitionPrevious(), false);
 

framework/src/main/java/org/toop/framework/eventbus/EventFlow.java

@@ -415,11 +415,9 @@ public class EventFlow {
     /**
      * Posts the event added through {@link #addPostEvent} asynchronously.
      *
-     * @deprecated use {@link #postEvent()} instead.
      */
-    @Deprecated
     public EventFlow asyncPostEvent() {
-        eventBus.post(this.event);
+        GlobalEventBus.get().post(this.event);
         return this;
     }
 

framework/src/main/java/org/toop/framework/eventbus/GlobalEventBus.java

@@ -1,15 +1,20 @@
 package org.toop.framework.eventbus;
 
 import org.apache.logging.log4j.LogManager;
+import org.toop.framework.eventbus.bus.AsyncEventBus;
+import org.toop.framework.eventbus.bus.DefaultEventBus;
 import org.toop.framework.eventbus.bus.DisruptorEventBus;
 import org.toop.framework.eventbus.bus.EventBus;
 import org.toop.framework.eventbus.events.EventType;
 import org.toop.framework.eventbus.store.DefaultSubscriberStore;
 import org.toop.framework.eventbus.subscriber.Subscriber;
 
-public class GlobalEventBus implements EventBus {
-    private static final EventBus INSTANCE = new DisruptorEventBus(
-            LogManager.getLogger(DisruptorEventBus.class),
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
+public class GlobalEventBus implements AsyncEventBus {
+    private static final AsyncEventBus INSTANCE = new DefaultEventBus(
+            LogManager.getLogger(DefaultEventBus.class),
             new DefaultSubscriberStore()
     );
 
@@ -34,6 +39,11 @@ public class GlobalEventBus implements EventBus {
         INSTANCE.post(event);
     }
 
+    @Override
+    public <T extends EventType> void asyncPost(T event) {
+        INSTANCE.asyncPost(event);
+    }
+
     @Override
     public void shutdown() {
         INSTANCE.shutdown();
@@ -43,4 +53,5 @@ public class GlobalEventBus implements EventBus {
     public void reset() {
         INSTANCE.reset();
     }
+
 }

framework/src/main/java/org/toop/framework/eventbus/bus/AsyncEventBus.java

@@ -0,0 +1,7 @@
+package org.toop.framework.eventbus.bus;
+
+import org.toop.framework.eventbus.events.EventType;
+
+public interface AsyncEventBus extends EventBus {
+    <T extends EventType> void asyncPost(T event);
+}

framework/src/main/java/org/toop/framework/eventbus/bus/DefaultEventBus.java

@@ -5,12 +5,16 @@ import org.toop.framework.eventbus.events.EventType;
 import org.toop.framework.eventbus.store.SubscriberStore;
 import org.toop.framework.eventbus.subscriber.Subscriber;
 
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
 import java.util.function.Consumer;
 
-public class DefaultEventBus implements EventBus {
+public class DefaultEventBus implements AsyncEventBus {
     private final Logger logger;
     private final SubscriberStore eventsHolder;
 
+    private final ExecutorService asyncExecutor = Executors.newCachedThreadPool();
+
     public DefaultEventBus(Logger logger, SubscriberStore eventsHolder) {
         this.logger = logger;
         this.eventsHolder = eventsHolder;
@@ -36,11 +40,16 @@ public class DefaultEventBus implements EventBus {
                 Class<T> eventClass = (Class<T>) subscriber.event();
                 Consumer<EventType> action = (Consumer<EventType>) subscriber.handler();
 
-                action.accept((EventType) eventClass.cast(event));
+                action.accept(eventClass.cast(event));
             }
         }
     }
 
+    @Override
+    public <T extends EventType> void asyncPost(T event) {
+        asyncExecutor.submit(() -> post(event));
+    }
+
     @Override
     public void shutdown() {
         eventsHolder.reset();
@@ -50,4 +59,5 @@ public class DefaultEventBus implements EventBus {
     public void reset() {
         eventsHolder.reset();
     }
+
 }

framework/src/main/java/org/toop/framework/game/BitboardGame.java

@@ -47,9 +47,11 @@ public abstract class BitboardGame implements TurnBasedGame {
 
 		this.playerBitboard = other.playerBitboard.clone();
 		this.currentTurn = other.currentTurn;
-        this.players = Arrays.stream(other.players)
-                .map(Player::deepCopy)
-                .toArray(Player[]::new);
+        this.players = other.players;
+        // TODO: Players are not deep copied, which is bad. I don't know why but deepcopying breaks it. Fix it
+        //this.players = Arrays.stream(other.players)
+        //        .map(Player::deepCopy)
+        //        .toArray(Player[]::new);
 	}
 
 	public int getColumnSize() {

framework/src/main/java/org/toop/framework/game/gameThreads/OnlineThreadBehaviour.java

@@ -8,6 +8,9 @@ import org.toop.framework.gameFramework.model.game.threadBehaviour.SupportsOnlin
 import org.toop.framework.gameFramework.model.player.Player;
 import org.toop.framework.game.players.OnlinePlayer;
 
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
 /**
  * Handles online multiplayer game logic.
  * <p>
@@ -15,6 +18,9 @@ import org.toop.framework.game.players.OnlinePlayer;
  * for the local player while receiving moves from other players.
  */
 public class OnlineThreadBehaviour extends AbstractThreadBehaviour implements SupportsOnlinePlay {
+
+    private ExecutorService moveExecutor = Executors.newSingleThreadExecutor();
+
     /**
      * Creates behaviour and sets the first local player
      * (non-online player) from the given array.
@@ -51,8 +57,30 @@ public class OnlineThreadBehaviour extends AbstractThreadBehaviour implements Su
      */
     @Override
     public void onYourTurn(long clientId) {
-        if (!isRunning.get()) return;
-        long move = game.getPlayer(game.getCurrentTurn()).getMove(game.deepCopy());
+        logger.info("Yourturn");
+        if (!isRunning.get()) {
+            logger.warn("Game is not running!");
+            return;
+        }
+
+        TurnBasedGame gameCopy = game.deepCopy();
+        if (gameCopy == null) {
+            logger.error("Could not deep copy game");
+            return;
+        }
+        logger.info("Successfully collected game copy");
+
+        Player player = gameCopy.getPlayer(game.getCurrentTurn());
+        if (player == null) {
+            logger.error("Could not find current turn's player");
+            return;
+        }
+        logger.info("Successfully collected current turn's player");
+
+        long move = player.getMove(gameCopy);
+        logger.info("Move set: {}", move);
+        logger.info("Completed onYourTurn");
+
         sendMove(clientId, move);
     }
 

framework/src/main/java/org/toop/framework/game/players/LocalPlayer.java

@@ -1,4 +1,4 @@
-package org.toop.game.players;
+package org.toop.framework.game.players;
 
 import org.toop.framework.gameFramework.model.game.TurnBasedGame;
 import org.toop.framework.gameFramework.model.player.AbstractPlayer;
@@ -45,11 +45,16 @@ public class LocalPlayer extends AbstractPlayer {
         long legalMoves = gameCopy.getLegalMoves();
         long move;
 
+        try {
             do {
                 move = getLastMove();
+                IO.println("GETTING MOVE");
             } while ((legalMoves & move) == 0);
-
             return move;
+        } catch (Exception e) {
+            IO.println(e);
+        }
+        return -1;
     }
 
     /**

framework/src/main/java/org/toop/framework/networking/server/GameServer.java

@@ -1,9 +1,12 @@
 package org.toop.framework.networking.server;
 
+import org.toop.framework.gameFramework.model.game.TurnBasedGame;
+
 import java.util.List;
+import java.util.concurrent.CompletableFuture;
 
 public interface GameServer<GAMETYPE, CLIENT, CHALLENGEIDTYPE> {
-    void startGame(String gameType, CLIENT... clients);
+    OnlineGame<TurnBasedGame> startGame(String gameType, CompletableFuture<Void> futureOrNull, CLIENT... clients);
 
     void addClient(CLIENT client);
     void removeClient(CLIENT client);

framework/src/main/java/org/toop/framework/networking/server/OnlineTurnBasedGame.java

@@ -5,6 +5,8 @@ import org.toop.framework.gameFramework.GameState;
 import org.toop.framework.gameFramework.model.game.TurnBasedGame;
 import org.toop.framework.networking.server.client.NettyClient;
 
+import java.util.concurrent.CompletableFuture;
+
 public class OnlineTurnBasedGame implements OnlineGame<TurnBasedGame> {
 
     private long id;
@@ -12,6 +14,19 @@ public class OnlineTurnBasedGame implements OnlineGame<TurnBasedGame> {
     private TurnBasedGame game;
     private ServerThreadBehaviour gameThread;
 
+    private CompletableFuture<Void> futureOrNull = null;
+
+    public OnlineTurnBasedGame(TurnBasedGame game, CompletableFuture<Void> futureOrNull, NettyClient... clients) {
+        this.game = game;
+        this.gameThread = new ServerThreadBehaviour(
+                game,
+                (pair) -> notifyMoveMade(pair.getLeft(), pair.getRight()),
+                (pair) -> notifyGameEnd(pair.getLeft(), pair.getRight())
+        );
+        this.futureOrNull = futureOrNull;
+        this.clients = clients;
+    }
+
     public OnlineTurnBasedGame(TurnBasedGame game, NettyClient... clients) {
         this.game = game;
         this.gameThread = new ServerThreadBehaviour(
@@ -43,6 +58,10 @@ public class OnlineTurnBasedGame implements OnlineGame<TurnBasedGame> {
         for(NettyClient client : clients) {
             client.clearGame();
         }
+
+        if (futureOrNull != null) {
+            futureOrNull.complete(null);
+        }
     }
 
     @Override

framework/src/main/java/org/toop/framework/networking/server/Server.java

@@ -9,6 +9,8 @@ import org.toop.framework.networking.server.stores.ClientStore;
 import org.toop.framework.networking.server.stores.SubscriptionStore;
 import org.toop.framework.networking.server.stores.TurnBasedGameStore;
 import org.toop.framework.networking.server.stores.TurnBasedGameTypeStore;
+import org.toop.framework.networking.server.tournaments.BasicTournament;
+import org.toop.framework.networking.server.tournaments.Tournament;
 import org.toop.framework.utils.ImmutablePair;
 
 import java.util.*;
@@ -33,7 +35,6 @@ public class Server implements GameServer<TurnBasedGame, NettyClient, Long> {
             ClientStore<Long, NettyClient> clientStore,
             TurnBasedGameStore gameStore,
             SubscriptionStore subStore
-
     ) {
         this.gameTypesStore = turnBasedGameTypeStore;
         this.challengeDuration = challengeDuration;
@@ -103,7 +104,7 @@ public class Server implements GameServer<TurnBasedGame, NettyClient, Long> {
     public void acceptChallenge(Long challengeId) {
         for (var challenge : gameChallenges) {
             if (challenge.id() == challengeId) {
-                startGame(challenge.acceptChallenge(), challenge.getUsers());
+                startGame(challenge.acceptChallenge(), null, challenge.getUsers());
                 break;
             }
         }
@@ -125,12 +126,12 @@ public class Server implements GameServer<TurnBasedGame, NettyClient, Long> {
     }
 
     @Override
-    public void startGame(String gameType, NettyClient... clients) {
-        if (!gameTypesStore.all().containsKey(gameType)) return;
+    public OnlineGame<TurnBasedGame> startGame(String gameType, CompletableFuture<Void> futureOrNull, NettyClient... clients) {
+        if (!gameTypesStore.all().containsKey(gameType)) return null;
 
         try {
             ServerPlayer[] players = new ServerPlayer[clients.length];
-            var game = new OnlineTurnBasedGame(gameTypesStore.create(gameType), clients);
+            var game = new OnlineTurnBasedGame(gameTypesStore.create(gameType), futureOrNull, clients);
 
             for (int i = 0; i < clients.length; i++) {
                 players[i] = new ServerPlayer(clients[i]);
@@ -149,10 +150,12 @@ public class Server implements GameServer<TurnBasedGame, NettyClient, Long> {
                     gameType,
                     clients[0].name()));
             game.start();
+            return game;
         } catch (Exception e) {
             IO.println("ERROR: Failed to start OnlineTurnBasedGame");
             e.printStackTrace();
         }
+        return null;
     }
 
     @Override
@@ -226,7 +229,7 @@ public class Server implements GameServer<TurnBasedGame, NettyClient, Long> {
                 userNames.remove(first);
                 userNames.remove(second);
 
-                startGame(key, getUser(userLeft), getUser(userRight));
+                startGame(key, null, getUser(userLeft), getUser(userRight));
             }
         }
     }
@@ -260,4 +263,19 @@ public class Server implements GameServer<TurnBasedGame, NettyClient, Long> {
 
         return true;
     }
+
+    public void startTournament(Tournament tournament, String gameType) {
+        tournament.init(clientStore.all().toArray(new NettyClient[0]));
+        new Thread(() -> tournament.start(gameType)).start();
+    }
+
+    public void endTournament(Map<NettyClient, Integer> score) {
+        IO.println("TOUNAMENT WINNER IS: "); // TODO
+        IO.println("SCORES");
+        IO.println("-----------------------------------");
+        for (var a : score.entrySet()) {
+            String b = "" + a.getKey().name() + ": " + a.getValue();
+            IO.println(b);
+        }
+    }
 }

framework/src/main/java/org/toop/framework/networking/server/connectionHandler/NettyClientSession.java

@@ -11,8 +11,6 @@ import org.toop.framework.networking.server.Server;
 import org.toop.framework.networking.server.client.Client;
 import org.toop.framework.networking.server.parsing.Parser;
 
-import java.util.Arrays;
-
 public class NettyClientSession extends SimpleChannelInboundHandler<String> implements ClientSession<OnlineTurnBasedGame, ServerPlayer> {
 
     private final NettyClient client;
@@ -41,13 +39,9 @@ public class NettyClientSession extends SimpleChannelInboundHandler<String> impl
     @Override
     protected void channelRead0(ChannelHandlerContext ctx, String msg) {
 
-        IO.println(msg);
-
         ParsedMessage p = Parser.parse(msg);
         if (p == null) return;
 
-        IO.println(p.command() + " " + Arrays.toString(p.args()));
-
         handler.handle(p);
     }
 

framework/src/main/java/org/toop/framework/networking/server/handlers/MessageHandler.java

@@ -5,6 +5,7 @@ import org.toop.framework.networking.server.OnlineTurnBasedGame;
 import org.toop.framework.networking.server.Server;
 import org.toop.framework.networking.server.client.Client;
 import org.toop.framework.networking.server.parsing.ParsedMessage;
+import org.toop.framework.networking.server.tournaments.BasicTournament;
 import org.toop.framework.utils.Utils;
 
 public class MessageHandler implements Handler<ParsedMessage> {
@@ -28,6 +29,7 @@ public class MessageHandler implements Handler<ParsedMessage> {
             case "challenge" -> handleChallenge(message, client);
             case "message" -> handleMessage(message, client);
             case "help" -> handleHelp(message, client);
+            case "tournament" -> handleTournament(message, client);
             default -> client.send("ERROR Unknown command");
         }
     }
@@ -107,4 +109,14 @@ public class MessageHandler implements Handler<ParsedMessage> {
         // TODO check if not number
         client.player().setMove(1L << Integer.parseInt(p.args()[0]));
     }
+
+    private void handleTournament(ParsedMessage p, Client<OnlineTurnBasedGame, ServerPlayer> client) {
+        if(!hasArgs(p.args())) return;
+
+        if (!client.name().equalsIgnoreCase("host")) return;
+
+        if (p.args()[0].equalsIgnoreCase("start") && p.args().length > 1) {
+            server.startTournament(new BasicTournament(server), p.args()[1]);
+        }
+    }
 }

framework/src/main/java/org/toop/framework/networking/server/tournaments/BasicTournament.java

@@ -0,0 +1,127 @@
+package org.toop.framework.networking.server.tournaments;
+
+import org.toop.framework.gameFramework.model.game.TurnBasedGame;
+import org.toop.framework.networking.server.OnlineGame;
+import org.toop.framework.networking.server.Server;
+import org.toop.framework.networking.server.client.NettyClient;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Random;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.atomic.AtomicReference;
+
+public class BasicTournament implements Tournament {
+    private final int POINTS_FOR_WIN = 1;
+
+    private Server server;
+    private String gameType;
+    private ArrayList<TournamentMatch> matchList = new ArrayList<>();
+
+    private final HashMap<NettyClient, List<NettyClient>> matches = new HashMap<>();
+    private final HashMap<NettyClient, Integer> score = new HashMap<>();
+    private NettyClient[] clients;
+
+    public BasicTournament(Server server) {
+        this.server = server;
+    }
+
+    @Override
+    public void init(NettyClient[] clients) {
+//        if (this.clients == null || clients.length < 1) return;
+
+        for (NettyClient client : clients) {
+            int INIT_SCORE = 0;
+
+            matches.putIfAbsent(client, new ArrayList<>());
+            score.putIfAbsent(client, INIT_SCORE);
+        }
+
+        for (var match : matches.entrySet()) {
+            for (var matchNoSelf : matches.keySet()) {
+                if (match.getKey() == matchNoSelf) continue;
+
+                match.getValue().addLast(matchNoSelf);
+            }
+        }
+
+        for (var client : matches.entrySet()) {
+            for (var opponent : client.getValue()) {
+                matchList.addLast(new TournamentMatch(client.getKey(), opponent));
+            }
+        }
+
+        shuffle();
+    }
+
+    public void shuffle() { // TODO make shuffle own class so user can use different shuffles
+
+        final int SHUFFLE_AMOUNT = matchList.size() * 2;
+
+        Random rand = new Random();
+
+        for (int i = 0; i <= SHUFFLE_AMOUNT; i++) {
+            int index = rand.nextInt(matchList.size());
+            TournamentMatch match = matchList.get(index);
+            matchList.remove(index);
+            matchList.addLast(match);
+        }
+    }
+
+    public void addScorePoints(NettyClient client) {
+        score.put(client, score.get(client) + POINTS_FOR_WIN);
+    }
+
+    @Override
+    public boolean start(String gameType) { // TODO, rename to run
+//        if (this.clients == null || clients.length < 1) return false;
+
+        if (server.gameTypes().stream().noneMatch(e -> e.equalsIgnoreCase(gameType))) return false;
+        this.gameType = gameType;
+
+        new Thread(() -> {
+            for (var match : matchList) {
+                final CompletableFuture<Void> finished = new CompletableFuture<>();
+
+                AtomicReference<OnlineGame<TurnBasedGame>> game = new AtomicReference<>();
+                new Thread(() -> game.set(server.startGame(gameType, finished, match.getLeft(), match.getRight()))).start(); // TODO can possibly create a race condition
+
+                finished.join();
+                switch (game.get().game().getWinner()) {
+                    case 0 -> addScorePoints(match.getLeft());
+                    case 1 -> addScorePoints(match.getRight());
+                    default -> {}
+                }
+
+                match.getLeft().clearGame();
+                match.getRight().clearGame();
+            }
+
+            server.endTournament(end());
+        }).start();
+
+        return true;
+    }
+
+    @Override
+    public HashMap<NettyClient, Integer> end() {
+
+        for (var match : matchList) {
+            match.getLeft().clearGame(); // TODO send msg to client
+            match.getRight().clearGame(); // TODO send msg to client
+        }
+
+        gameType = null;
+        matchList = null;
+        matches.clear();
+
+        HashMap<NettyClient, Integer> retScore = new HashMap<>(score);
+
+        score.clear();
+
+        clients = null;
+
+        return retScore;
+    }
+}

framework/src/main/java/org/toop/framework/networking/server/tournaments/Tournament.java

@@ -0,0 +1,11 @@
+package org.toop.framework.networking.server.tournaments;
+
+import org.toop.framework.networking.server.client.NettyClient;
+
+import java.util.HashMap;
+
+public interface Tournament {
+    void init(NettyClient[] clients);
+    boolean start(String gameType);
+    HashMap<NettyClient, Integer> end();
+}

framework/src/main/java/org/toop/framework/networking/server/tournaments/TournamentMatch.java

@@ -0,0 +1,10 @@
+package org.toop.framework.networking.server.tournaments;
+
+import org.toop.framework.networking.server.client.NettyClient;
+import org.toop.framework.utils.ImmutablePair;
+
+public class TournamentMatch extends ImmutablePair<NettyClient, NettyClient> {
+    public TournamentMatch(NettyClient a, NettyClient b) {
+        super(a, b);
+    }
+}