Code cleanup

* turn updates

* smalle fixes aan turn updates

* better human/ai selector with bot selection and depth on TicTacToeAIR

* depth + thinktime back to AIs, along with a a specific TicTacToeAIRSleep

* fixed overlapping back and disconnect buttons

* Changed to debug instead of info

* changed the transitionNextCustom to be easier to use

* added getAllWidgets to WidgetContainer

* Correct back view

* added replacePrevious in ViewWidget

* added removeIndexFromPreviousChain

* fixed incorrect index counting

* Fixt wrong view order

* Removed todo

* Challenge popups "Fixed"

* Popups now remove themselves

* localize the ChallengePopup text

* made the game text a header instead

* fixed getAllWidgets

* Escape popup

* fixed redundant container

* Escape remove popup

* Working escape menu

* Added find functionality

* Tutorials moved to escape menu

* Escape can't be opened in mainview now

* Can now test the event bus, created testable interfaces

* Logging errors

* Made events and handlers more generic

* Suppress

* Managers now have changeable eventbus

* Tutorials fixed

* Removed import

* Single threaded eventbus

* Fixed wrong eventbus

* Removed get

* Removed old code

* Renaming

* Optimization

* Removed useless comment

* Removed unnecessary imports

* Rename

* Renaming, refactor and type safety

* Rename

* Removed import

---------

Co-authored-by: michiel301b <m.brands.3@st.hanze.nl>
Co-authored-by: ramollia <>

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

@@ -1,13 +1,6 @@
 package org.toop;
 
 import org.toop.app.App;
-import org.toop.framework.audio.*;
-import org.toop.framework.networking.NetworkingClientEventListener;
-import org.toop.framework.networking.NetworkingClientManager;
-import org.toop.framework.resource.ResourceLoader;
-import org.toop.framework.resource.ResourceManager;
-import org.toop.framework.resource.resources.MusicAsset;
-import org.toop.framework.resource.resources.SoundEffectAsset;
 
 public final class Main {
     static void main(String[] args) {

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

@@ -1,18 +1,20 @@
 package org.toop.app;
 
 import javafx.application.Platform;
-import javafx.scene.paint.Color;
-import org.toop.Main;
+import javafx.scene.input.KeyCode;
+import javafx.scene.input.KeyEvent;
+
 import org.toop.app.widget.Primitive;
-import org.toop.app.widget.Widget;
 import org.toop.app.widget.WidgetContainer;
 import org.toop.app.widget.complex.LoadingWidget;
 import org.toop.app.widget.display.SongDisplay;
+import org.toop.app.widget.popup.EscapePopup;
 import org.toop.app.widget.popup.QuitPopup;
 import org.toop.app.widget.view.MainView;
 import org.toop.framework.audio.*;
 import org.toop.framework.audio.events.AudioEvents;
 import org.toop.framework.eventbus.EventFlow;
+import org.toop.framework.eventbus.GlobalEventBus;
 import org.toop.framework.networking.NetworkingClientEventListener;
 import org.toop.framework.networking.NetworkingClientManager;
 import org.toop.framework.resource.ResourceLoader;
@@ -30,6 +32,11 @@ import javafx.scene.Scene;
 import javafx.scene.layout.StackPane;
 import javafx.stage.Stage;
 
+import java.util.Objects;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+
 public final class App extends Application {
 	private static Stage stage;
 	private static Scene scene;
@@ -37,14 +44,12 @@ public final class App extends Application {
     private static int height;
     private static int width;
 
-	private static boolean isQuitting;
-
 	public static void run(String[] args) {
 		launch(args);
 	}
 
 	@Override
-	public void start(Stage stage) throws Exception {
+	public void start(Stage stage) {
 		// Start loading localization
 		ResourceManager.loadAssets(new ResourceLoader("app/src/main/resources/localization"));
 		ResourceManager.loadAssets(new ResourceLoader("app/src/main/resources/style"));
@@ -78,10 +83,10 @@ public final class App extends Application {
 		App.width = (int)stage.getWidth();
 		App.height = (int)stage.getHeight();
 
-		App.isQuitting = false;
-
 		AppSettings.applySettings();
 
+		setKeybinds(root);
+
         LoadingWidget loading = new LoadingWidget(Primitive.text(
                 "Loading...", false), 0, 0, Integer.MAX_VALUE, false, false // Just set a high default
         );
@@ -122,73 +127,122 @@ public final class App extends Application {
 
                 }, false, "init_loading");
 
-		// Start loading assets
-		new Thread(() -> ResourceManager.loadAssets(new ResourceLoader("app/src/main/resources/assets")))
-				.start();
+		ExecutorService executor = Executors.newSingleThreadExecutor();
+		try {
+			executor.submit(
+				() -> ResourceManager.loadAssets(new ResourceLoader("app/src/main/resources/assets")
+			));
+		} finally {
+			executor.shutdown();
+		}
 
 		stage.show();
 
 	}
 
+	private void setKeybinds(StackPane root) {
+		root.addEventHandler(KeyEvent.KEY_PRESSED,event -> {
+			if (event.getCode() == KeyCode.ESCAPE) {
+				escapePopup();
+			}
+		});
+	}
+
+	public void escapePopup() {
+
+		if (   WidgetContainer.getCurrentView() == null
+			|| WidgetContainer.getCurrentView() instanceof MainView) {
+			return;
+		}
+
+		if (!Objects.requireNonNull(
+				WidgetContainer.find(widget -> widget instanceof QuitPopup || widget instanceof EscapePopup)
+		).isEmpty()) {
+			WidgetContainer.removeFirst(QuitPopup.class);
+			WidgetContainer.removeFirst(EscapePopup.class);
+			return;
+		}
+
+		EscapePopup escPopup = new EscapePopup();
+		escPopup.show(Pos.CENTER);
+	}
+
 	private void setOnLoadingSuccess(LoadingWidget loading) {
 		loading.setOnSuccess(() -> {
-			initSystems();
-			AppSettings.applyMusicVolumeSettings();
+
+            try {
+                initSystems();
+            } catch (InterruptedException e) {
+                throw new RuntimeException(e);
+            }
+
+            AppSettings.applyMusicVolumeSettings();
 			new EventFlow().addPostEvent(new AudioEvents.StartBackgroundMusic()).postEvent();
             loading.hide();
 			WidgetContainer.add(Pos.CENTER, new MainView());
 			WidgetContainer.add(Pos.BOTTOM_RIGHT, new SongDisplay());
 			stage.setOnCloseRequest(event -> {
 				event.consume();
-				startQuit();
+
+				if (WidgetContainer.getAllWidgets().stream().anyMatch(e -> e instanceof QuitPopup)) return;
+
+				QuitPopup a = new QuitPopup();
+				a.show(Pos.CENTER);
+
 			});
 		});
 	}
 
-	private void initSystems() { // TODO Move to better place
-		new Thread(() -> new NetworkingClientEventListener(new NetworkingClientManager())).start();
+	private void initSystems() throws InterruptedException { // TODO Move to better place
 
-		new Thread(() -> {
-			MusicManager<MusicAsset> musicManager =
-					new MusicManager<>(ResourceManager.getAllOfTypeAndRemoveWrapper(MusicAsset.class), true);
+		final int THREAD_COUNT = 2;
+		CountDownLatch latch = new CountDownLatch(THREAD_COUNT);
 
-			SoundEffectManager<SoundEffectAsset> soundEffectManager =
-					new SoundEffectManager<>(ResourceManager.getAllOfType(SoundEffectAsset.class));
+		@SuppressWarnings("resource")
+		ExecutorService threads = Executors.newFixedThreadPool(THREAD_COUNT);
 
-			AudioVolumeManager audioVolumeManager = new AudioVolumeManager()
-					.registerManager(VolumeControl.MASTERVOLUME, musicManager)
-					.registerManager(VolumeControl.MASTERVOLUME, soundEffectManager)
-					.registerManager(VolumeControl.FX, soundEffectManager)
-					.registerManager(VolumeControl.MUSIC, musicManager);
+		try {
 
-			new AudioEventListener<>(
-					musicManager,
-					soundEffectManager,
-					audioVolumeManager
-			).initListeners("medium-button-click.wav");
+			threads.submit(() -> {
+				new NetworkingClientEventListener(
+						GlobalEventBus.get(),
+						new NetworkingClientManager(GlobalEventBus.get()));
 
-		}).start();
+				latch.countDown();
+			});
 
-		// Threads must be ready, before continue, TODO use latch instead
-        try {
-            Thread.sleep(200);
-        } catch (InterruptedException e) {
-            throw new RuntimeException(e);
-        }
-    }
+			threads.submit(() -> {
+				MusicManager<MusicAsset> musicManager =
+						new MusicManager<>(
+								GlobalEventBus.get(),
+								ResourceManager.getAllOfTypeAndRemoveWrapper(MusicAsset.class),
+								true
+						);
 
-	public static void startQuit() {
-		if (isQuitting) {
-			return;
+				SoundEffectManager<SoundEffectAsset> soundEffectManager =
+						new SoundEffectManager<>(ResourceManager.getAllOfType(SoundEffectAsset.class));
+
+				AudioVolumeManager audioVolumeManager = new AudioVolumeManager()
+						.registerManager(VolumeControl.MASTERVOLUME, musicManager)
+						.registerManager(VolumeControl.MASTERVOLUME, soundEffectManager)
+						.registerManager(VolumeControl.FX, soundEffectManager)
+						.registerManager(VolumeControl.MUSIC, musicManager);
+
+				new AudioEventListener<>(
+						GlobalEventBus.get(),
+						musicManager,
+						soundEffectManager,
+						audioVolumeManager
+				).initListeners("medium-button-click.wav");
+
+				latch.countDown();
+			});
+
+		} finally {
+			latch.await();
+			threads.shutdown();
 		}
-
-		WidgetContainer.add(Pos.CENTER, new QuitPopup());
-		isQuitting = true;
-	}
-
-	public static void stopQuit() {
-		isQuitting = false;
-	}
+    }
 
 	public static void quit() {
 		stage.close();

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

@@ -13,6 +13,7 @@ import org.toop.app.widget.popup.ErrorPopup;
 import org.toop.app.widget.popup.SendChallengePopup;
 import org.toop.app.widget.view.ServerView;
 import org.toop.framework.eventbus.EventFlow;
+import org.toop.framework.eventbus.GlobalEventBus;
 import org.toop.framework.gameFramework.model.player.Player;
 import org.toop.framework.networking.clients.TournamentNetworkingClient;
 import org.toop.framework.networking.events.NetworkEvents;
@@ -32,7 +33,6 @@ import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
 
 public final class Server {
-    // TODO: Keep track of listeners. Remove them on Server connection close so reference is deleted.
 	private String user = "";
 	private long clientId = -1;
 
@@ -48,7 +48,7 @@ public final class Server {
 
 	private ScheduledExecutorService scheduler;
 
-    private EventFlow eventFlow = new EventFlow();
+	private EventFlow connectFlow;
 
 	public static GameInformation.Type gameToType(String game) {
 		if (game.equalsIgnoreCase("tic-tac-toe")) {
@@ -89,78 +89,85 @@ public final class Server {
                 Primitive.text("connecting"), 0, 0, reconnectAttempts, true, true
         );
 
-		WidgetContainer.getCurrentView().transitionNext(loading);
+		WidgetContainer.getCurrentView().transitionNextCustom(loading, "disconnect", this::disconnect);
 
 		var a = new EventFlow()
 			.addPostEvent(NetworkEvents.StartClient.class,
-				new TournamentNetworkingClient(),
+				new TournamentNetworkingClient(GlobalEventBus.get()),
 				new NetworkingConnector(ip, parsedPort, reconnectAttempts, 1, TimeUnit.SECONDS)
 			);
 
         loading.setOnFailure(() -> {
-            WidgetContainer.getCurrentView().transitionPrevious();
-            a.unsubscribe("connecting");
-			a.unsubscribe("startclient");
+            if (WidgetContainer.getCurrentView() == loading) WidgetContainer.getCurrentView().transitionPrevious();
+			a.unsubscribeAll();
             WidgetContainer.add(
                     Pos.CENTER,
                     new ErrorPopup(AppContext.getString("connecting-failed") + " " + ip + ":" + port)
             );
         });
 
-		a.onResponse(NetworkEvents.StartClientResponse.class, e -> {
+		a.onResponse(NetworkEvents.CreatedIdForClient.class, e -> clientId = e.clientId(), true);
 
+		a.onResponse(NetworkEvents.StartClientResponse.class, e -> {
 			if (!e.successful()) {
 				return;
 			}
 
-			WidgetContainer.getCurrentView().transitionPrevious();
+			primary = new ServerView(user, this::sendChallenge);
+			WidgetContainer.getCurrentView().transitionNextCustom(primary, "disconnect", this::disconnect);
 
 			a.unsubscribe("connecting");
 			a.unsubscribe("startclient");
 
 			this.user = user;
-			clientId = e.clientId();
 
 			new EventFlow().addPostEvent(new NetworkEvents.SendLogin(clientId, user)).postEvent();
 
-			primary = new ServerView(user, this::sendChallenge, this::disconnect);
-			WidgetContainer.getCurrentView().transitionNext(primary);
-
 			startPopulateScheduler();
 			populateGameList();
+
+			primary.removeViewFromPreviousChain(loading);
+
 		}, false, "startclient")
 				.listen(
-                        NetworkEvents.ConnectTry.class,
-                        e -> Platform.runLater(
-                                () -> {
-                                    try {
-                                        loading.setAmount(e.amount());
-                                        if (e.amount() >= loading.getMaxAmount()) {
-                                            loading.triggerFailure();
-                                        }
-                                    } catch (Exception ex) {
-                                        throw new RuntimeException(ex);
-                                    }
-                                }
-                        ),
-                        false, "connecting"
-                )
+						NetworkEvents.ConnectTry.class,
+						e -> {
+							if (clientId != e.clientId()) return;
+							Platform.runLater(
+									() -> {
+										try {
+											loading.setAmount(e.amount());
+											if (e.amount() >= loading.getMaxAmount()) {
+												loading.triggerFailure();
+											}
+										} catch (Exception ex) {
+											throw new RuntimeException(ex);
+										}
+									}
+							);
+						},
+						false, "connecting"
+				)
 				.postEvent();
 
-		eventFlow.listen(NetworkEvents.ChallengeResponse.class, this::handleReceivedChallenge, false)
-                .listen(NetworkEvents.GameMatchResponse.class, this::handleMatchResponse, false)
-                .listen(NetworkEvents.GameResultResponse.class, this::handleGameResult, false)
-                .listen(NetworkEvents.GameMoveResponse.class, this::handleReceivedMove, false)
-                .listen(NetworkEvents.YourTurnResponse.class, this::handleYourTurn, false);
+		a.listen(NetworkEvents.ChallengeResponse.class, this::handleReceivedChallenge, false, "challenge")
+                .listen(NetworkEvents.GameMatchResponse.class, this::handleMatchResponse, false, "match-response")
+                .listen(NetworkEvents.GameResultResponse.class, this::handleGameResult, false, "game-result")
+                .listen(NetworkEvents.GameMoveResponse.class, this::handleReceivedMove, false, "game-move")
+                .listen(NetworkEvents.YourTurnResponse.class, this::handleYourTurn, false, "your-turn");
+
+		connectFlow = a;
 	}
 
 	private void sendChallenge(String opponent) {
 		if (!isPolling) return;
 
-		new SendChallengePopup(this, opponent, (playerInformation, gameType) -> {
+		var a = new SendChallengePopup(this, opponent, (playerInformation, gameType) -> {
 			new EventFlow().addPostEvent(new NetworkEvents.SendChallenge(clientId, opponent, gameType)).postEvent();
             isSingleGame.set(true);
 		});
+
+		a.show(Pos.CENTER);
 	}
 
     private void handleMatchResponse(NetworkEvents.GameMatchResponse response) {
@@ -200,7 +207,7 @@ public final class Server {
 
             switch (type){
                 case TICTACTOE ->{
-                    players[myTurn] = new ArtificialPlayer<>(new TicTacToeAIR(), user);
+                    players[myTurn] = new ArtificialPlayer<>(new TicTacToeAIR(9), user);
                 }
                 case REVERSI ->{
                     players[myTurn] = new ArtificialPlayer<>(new ReversiAIR(), user);
@@ -250,11 +257,13 @@ public final class Server {
 		String challengerName = extractQuotedValue(response.challengerName());
 		String gameType = extractQuotedValue(response.gameType());
 		final String finalGameType = gameType;
-		new ChallengePopup(challengerName, gameType, (playerInformation) -> {
+		var a = new ChallengePopup(challengerName, gameType, (playerInformation) -> {
 			final int challengeId = Integer.parseInt(response.challengeId().replaceAll("\\D", ""));
 			new EventFlow().addPostEvent(new NetworkEvents.SendAcceptChallenge(clientId, challengeId)).postEvent();
             isSingleGame.set(true);
 		});
+
+		a.show(Pos.CENTER);
 	}
 
 	private void sendMessage(String message) {
@@ -265,7 +274,9 @@ public final class Server {
 		new EventFlow().addPostEvent(new NetworkEvents.CloseClient(clientId)).postEvent();
 		isPolling = false;
 		stopScheduler();
-		primary.transitionPrevious();
+		connectFlow.unsubscribeAll();
+
+		WidgetContainer.getCurrentView().transitionPrevious();
 	}
 
 	private void forfeitGame() {

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

@@ -99,7 +99,7 @@ public class ReversiController extends AbstractGameController<ReversiR> {
         });
 
         animation.play();
-        primary.nextPlayer(true, getCurrentPlayer().getName(), game.getCurrentTurn() == 0 ? "X" : "O", getPlayer((game.getCurrentTurn() + 1) % 2).getName());
+        primary.nextPlayer(true, getCurrentPlayer().getName(), game.getCurrentTurn() == 0 ? "X" : "O", getPlayer((game.getCurrentTurn() + 1) % 2).getName(), 'R');
     }
 
     @Override

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

@@ -39,7 +39,7 @@ public class TicTacToeController extends AbstractGameController<TicTacToeR> {
     public void updateUI() {
         canvas.clearAll();
         // TODO: wtf is even this pile of poop temp fix
-        primary.nextPlayer(true, getCurrentPlayer().getName(), game.getCurrentTurn() == 0 ? "X" : "O", getPlayer((game.getCurrentTurn() + 1) % 2).getName());
+        primary.nextPlayer(true, getCurrentPlayer().getName(), game.getCurrentTurn() == 0 ? "X" : "O", getPlayer((game.getCurrentTurn() + 1) % 2).getName(), 'T');
         drawMoves();
     }
 

app/src/main/java/org/toop/app/widget/Primitive.java

@@ -6,7 +6,6 @@ import org.toop.framework.eventbus.EventFlow;
 import org.toop.framework.resource.resources.ImageAsset;
 import org.toop.local.AppContext;
 
-import java.io.File;
 import java.util.function.Consumer;
 
 import javafx.collections.FXCollections;

app/src/main/java/org/toop/app/widget/Widget.java

@@ -2,19 +2,27 @@ package org.toop.app.widget;
 
 import javafx.geometry.Pos;
 import javafx.scene.Node;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 
 public interface Widget {
+    Logger logger = LogManager.getLogger(Widget.class);
+
 	Node getNode();
 
     default void show(Pos position) {
+        logger.debug("Showing Widget: {} at position: {}", this.getNode(), position.toString());
         WidgetContainer.add(position, this);
     }
 
     default void hide() {
+        logger.debug("Hiding Widget: {}", this.getNode());
         WidgetContainer.remove(this);
     }
 
     default void replace(Pos position, Widget widget) {
+        logger.debug("Replacing Widget: {}, with widget: {}, to position: {}",
+                this.getNode(), widget.getNode(), position.toString());
         widget.show(position);
 		hide();
     }

app/src/main/java/org/toop/app/widget/WidgetContainer.java

@@ -1,5 +1,6 @@
 package org.toop.app.widget;
 
+import javafx.scene.Node;
 import org.toop.app.widget.complex.PopupWidget;
 import org.toop.app.widget.complex.ViewWidget;
 
@@ -7,6 +8,10 @@ import javafx.application.Platform;
 import javafx.geometry.Pos;
 import javafx.scene.layout.StackPane;
 
+import java.util.ArrayList;
+import java.util.List;
+import java.util.function.Predicate;
+
 public final class WidgetContainer {
 	private static StackPane root;
 	private static ViewWidget currentView;
@@ -38,7 +43,7 @@ public final class WidgetContainer {
 				root.getChildren().addFirst(view.getNode());
 				currentView = view;
 			} else if (widget instanceof PopupWidget popup) {
-				currentView.add(Pos.CENTER, popup);
+				currentView.add(Pos.CENTER, (Widget) popup);
 			} else {
 				root.getChildren().add(widget.getNode());
 			}
@@ -52,13 +57,61 @@ public final class WidgetContainer {
 
 		Platform.runLater(() -> {
 			if (widget instanceof PopupWidget popup) {
-				currentView.remove(popup);
+				currentView.remove((Widget) popup);
 			} else {
 				root.getChildren().remove(widget.getNode());
 			}
 		});
 	}
 
+	public static void remove(Class<? extends Widget> widgetClass) {
+		if (root == null || currentView == null) return;
+
+		Platform.runLater(() ->
+				currentView.getChildren().removeIf(widget -> widget.getClass().isAssignableFrom(widgetClass))
+		);
+	}
+
+	public static void removeFirst(Class<? extends Widget> widgetClass) {
+		if (root == null || currentView == null) return;
+
+		Platform.runLater(() -> {
+			for (Node widget : currentView.getChildren()) {
+				if (widgetClass.isAssignableFrom(widget.getClass())) {
+					currentView.getChildren().remove(widget);
+					break;
+				}
+			}
+		});
+	}
+
+	public static List<Widget> find(Class<? extends Widget> widgetClass) {
+		if (root == null || currentView == null) return null;
+
+		return getAllWidgets()
+				.stream()
+				.filter(widget -> widget.getClass().isAssignableFrom(widgetClass))
+				.toList();
+    }
+
+	public static List<Widget> find(Predicate<Widget> predicate) {
+		if (root == null || currentView == null) return null;
+
+		return getAllWidgets()
+				.stream()
+				.filter(predicate)
+				.toList();
+	}
+
+	public static Widget findFirst(Class<? extends Widget> widgetClass) {
+		if (root == null || currentView == null) return null;
+
+		return getAllWidgets()
+				.stream()
+				.filter(widget -> widget.getClass().isAssignableFrom(widgetClass))
+				.findFirst().orElse(null);
+	}
+
 	public static ViewWidget getCurrentView() {
 		return currentView;
 	}
@@ -74,4 +127,22 @@ public final class WidgetContainer {
             currentView = view;
         });
     }
+
+	public static List<Widget> getAllWidgets() {
+		final List<Widget> children = new ArrayList<>();
+
+		for (var child : root.getChildren()) {
+			if (child instanceof Widget widget) {
+				children.add(widget);
+			}
+		}
+
+		for (var child : currentView.getNode().getChildren()) {
+			if (child instanceof Widget widget) {
+				children.add(widget);
+			}
+		}
+
+		return children;
+	}
 }

app/src/main/java/org/toop/app/widget/complex/LoadingWidget.java

@@ -2,7 +2,7 @@ package org.toop.app.widget.complex;
 
 import javafx.application.Platform;
 import javafx.geometry.Pos;
-import javafx.scene.control.Control;
+import javafx.scene.Node;
 import javafx.scene.control.ProgressBar;
 import javafx.scene.control.ProgressIndicator;
 import javafx.scene.layout.VBox;
@@ -144,11 +144,11 @@ public class LoadingWidget extends ViewWidget implements Update { // TODO make o
 
         if (successTrigger.call()) {
             triggerSuccess();
-            this.remove(this);
+            this.remove((Node) this);
             return;
         } else if (failureTrigger.call()) {
             triggerFailure();
-            this.remove(this);
+            this.remove((Node) this);
             return;
         }
 

app/src/main/java/org/toop/app/widget/complex/PlayerInfoWidget.java

@@ -5,10 +5,13 @@ import org.toop.app.widget.Primitive;
 
 import javafx.scene.Node;
 import javafx.scene.layout.VBox;
+import javafx.scene.text.Text;
 
 public class PlayerInfoWidget {
 	private final GameInformation.Player information;
 	private final VBox container;
+    private Text playerName;
+    private boolean hasSet;
 
 	public PlayerInfoWidget(GameInformation.Player information) {
 		this.information = information;
@@ -16,6 +19,7 @@ public class PlayerInfoWidget {
 			buildToggle().getNode(),
 			buildContent()
 		);
+        this.playerName = null;
 	}
 
 	private ToggleWidget buildToggle() {
@@ -33,51 +37,69 @@ public class PlayerInfoWidget {
 	}
 
 	private Node buildContent() {
-		if (information.isHuman) {
-			var nameInput = new LabeledInputWidget(
-				"name",
-				"enter-your-name",
-				information.name,
-				newName -> information.name = newName
-			);
+        if (information.isHuman) {
+            var nameInput = new LabeledInputWidget(
+                    "name",
+                    "enter-your-name",
+                    information.name,
+                    newName -> information.name = newName
+            );
 
-			return nameInput.getNode();
-		} else {
-			if (information.name == null || information.name.isEmpty()) {
-				information.name = "Pism Bot";
-			}
+            return nameInput.getNode();
+        } else {
+            var AIBox = Primitive.vbox(
+                    makeAIButton(0, 1, "zwartepiet"),
+                    makeAIButton(2, 1, "sinterklaas"),
+                    makeAIButton(9, 1, "santa")
+            );
 
-			var playerName = Primitive.text("");
-			playerName.setText(information.name);
+            this.playerName = Primitive.text("");
+            playerName.setText(information.name);
 
-			var nameDisplay = Primitive.vbox(
-				Primitive.text("name"),
-				playerName
-			);
+            var nameDisplay = Primitive.vbox(
+                    Primitive.text("name"),
+                    playerName
+            );
 
-			var difficultySlider = new LabeledSliderWidget(
-				"computer-difficulty",
-				0, 5,
-				information.computerDifficulty,
-				newVal -> information.computerDifficulty = newVal
-			);
+            if (!hasSet) {
+                doDefault();
+                hasSet = true;
+            }
 
-			var thinkTimeSlider = new LabeledSliderWidget(
-				"computer-think-time",
-				0, 5,
-				information.computerThinkTime,
-				newVal -> information.computerThinkTime = newVal
-			);
+            return Primitive.vbox(
+                    AIBox,
+                    nameDisplay
+            );
 
-			return Primitive.vbox(
-				nameDisplay,
-				difficultySlider.getNode(),
-				thinkTimeSlider.getNode()
-			);
-		}
-	}
+        }
+    }
 
 	public Node getNode() {
 		return container;
 	}
+
+    private Node makeAIButton(int depth, int thinktime, String name) {
+        return Primitive.button(name, () -> {
+            information.name = getName(name);
+            information.computerDifficulty = depth;
+            information.computerThinkTime = thinktime;
+            this.playerName.setText(getName(name));
+        });
+    }
+
+    private String getName(String name) {
+        return switch (name) {
+            case "sinterklaas" -> "Sint. R. Klaas";
+            case "zwartepiet" -> "Zwarte Piet";
+            case "santa" -> "Santa";
+            default -> "Default";
+        };
+    }
+
+    private void doDefault() {
+        information.name = getName("zwartepiet");
+        information.computerDifficulty = 0;
+        information.computerThinkTime = 1;
+        this.playerName.setText(getName("zwartepiet"));
+    }
 }

app/src/main/java/org/toop/app/widget/complex/StackWidget.java

@@ -7,22 +7,19 @@ import javafx.geometry.Pos;
 import javafx.scene.Node;
 import javafx.scene.layout.StackPane;
 
-public abstract class StackWidget implements Widget {
-    private final StackPane container;
-
+public abstract class StackWidget extends StackPane implements Widget {
 	public StackWidget(String cssClass) {
-        container = new StackPane();
-		container.getStyleClass().add(cssClass);
+		this.getStyleClass().add(cssClass);
 	}
 
 	public void add(Pos position, Node node) {
 		Platform.runLater(() -> {
-			if (container.getChildren().contains(node)) {
+			if (this.getChildren().contains(node)) {
 				return;
 			}
 
 			StackPane.setAlignment(node, position);
-			container.getChildren().add(node);
+			this.getChildren().add(node);
 		});
 	}
 
@@ -32,7 +29,7 @@ public abstract class StackWidget implements Widget {
 
 	public void remove(Node node) {
 		Platform.runLater(() -> {
-			container.getChildren().remove(node);
+			this.getChildren().remove(node);
 		});
 	}
 
@@ -41,7 +38,7 @@ public abstract class StackWidget implements Widget {
 	}
 
 	@Override
-	public Node getNode() {
-		return container;
+	public StackPane getNode() {
+		return this;
 	}
 }

app/src/main/java/org/toop/app/widget/complex/ViewWidget.java

@@ -37,6 +37,19 @@ public abstract class ViewWidget extends StackWidget {
 		view.add(Pos.BOTTOM_LEFT, Primitive.vbox(backButton));
 	}
 
+	public void transitionNextCustom(ViewWidget view, String key, Runnable runnable) {
+		view.previous = this;
+
+		replace(Pos.CENTER, view);
+
+		var customButton = Primitive.button(key, () -> {
+			runnable.run();
+			view.transitionPrevious();
+		});
+
+		view.add(Pos.BOTTOM_LEFT, Primitive.vbox(customButton));
+	}
+
 	public void transitionPrevious() {
 		if (previous == null) {
 			return;
@@ -46,6 +59,38 @@ public abstract class ViewWidget extends StackWidget {
 		previous = null;
 	}
 
+	public void removeIndexFromPreviousChain(int index) {
+		ViewWidget view = this;
+
+		while (index > 0 && view != null) {
+			index--;
+
+			if (index == 0) {
+				if (view.previous != null && view.previous.previous != null) {
+					view.previous = view.previous.previous;
+				}
+			}
+
+			view = view.previous;
+		}
+	}
+
+	public void removeViewFromPreviousChain(ViewWidget view) {
+		ViewWidget prev = previous;
+		int index = 0;
+
+		while (prev != null) {
+			index++;
+
+			if (prev == view) {
+				removeIndexFromPreviousChain(index);
+				break;
+			}
+
+			prev = prev.previous;
+		}
+	}
+
 	public void reload(ViewWidget view) {
 		view.previous = previous;
 		replace(Pos.CENTER, view);

app/src/main/java/org/toop/app/widget/display/SongDisplay.java

@@ -49,11 +49,11 @@ public class SongDisplay extends VBox implements Widget {
 		previousButton.getStyleClass().setAll("previous-button");
 
 		skipButton.setOnAction( event -> {
-			GlobalEventBus.post(new AudioEvents.SkipMusic());
+			GlobalEventBus.get().post(new AudioEvents.SkipMusic());
 		});
 
 		pauseButton.setOnAction(event -> {
-			GlobalEventBus.post(new AudioEvents.PauseMusic());
+			GlobalEventBus.get().post(new AudioEvents.PauseMusic());
 			if (pauseButton.getText().equals("⏸")) {
 				pauseButton.setText("▶");
 			}
@@ -63,7 +63,7 @@ public class SongDisplay extends VBox implements Widget {
 		});
 
 		previousButton.setOnAction( event -> {
-			GlobalEventBus.post(new AudioEvents.PreviousMusic());
+			GlobalEventBus.get().post(new AudioEvents.PreviousMusic());
 		});
 
 		HBox control = new HBox(10, previousButton, pauseButton, skipButton);

app/src/main/java/org/toop/app/widget/popup/ChallengePopup.java

@@ -28,19 +28,22 @@ public final class ChallengePopup extends PopupWidget {
 	private void setupLayout() {
 		var challengeText = Primitive.text("you-were-challenged-by");
 
-		var challengerHeader = Primitive.header("");
-		challengerHeader.setText(challenger);
+		var challengerHeader = Primitive.header(challenger, false);
 
-		var gameText = Primitive.text("to-a-game-of");
-		gameText.setText(gameText.getText() + " " + game);
+		var toAGameOfText = Primitive.text("to-a-game-of");
+		var gameHeader = Primitive.header(game, false);
 
-		var acceptButton = Primitive.button("accept", () -> onAccept.accept(playerInformation));
+		var acceptButton = Primitive.button("accept", () -> {
+			onAccept.accept(playerInformation);
+			this.hide();
+		});
 		var denyButton = Primitive.button("deny", () -> hide());
 
 		var leftSection = Primitive.vbox(
 			challengeText,
 			challengerHeader,
-			gameText,
+			toAGameOfText,
+			gameHeader,
 			Primitive.separator(),
 			Primitive.hbox(
 				acceptButton,

app/src/main/java/org/toop/app/widget/popup/EscapePopup.java

@@ -0,0 +1,48 @@
+package org.toop.app.widget.popup;
+
+import javafx.geometry.Pos;
+import javafx.scene.Node;
+import org.toop.app.widget.Primitive;
+import org.toop.app.widget.Widget;
+import org.toop.app.widget.WidgetContainer;
+import org.toop.app.widget.complex.PopupWidget;
+import org.toop.app.widget.complex.ViewWidget;
+import org.toop.app.widget.view.GameView;
+import org.toop.app.widget.view.OptionsView;
+import org.toop.local.AppContext;
+
+import java.util.ArrayList;
+
+public class EscapePopup extends PopupWidget {
+    public EscapePopup() {
+        ViewWidget currentView = WidgetContainer.getCurrentView();
+        ArrayList<Node> nodes = new ArrayList<>();
+
+        nodes.add(Primitive.button("Continue", this::hide, false)); // TODO, localize
+
+        if (!(currentView.getClass().isAssignableFrom(OptionsView.class))) {
+            var opt = Primitive.button("options", () -> {
+                hide();
+                WidgetContainer.getCurrentView().transitionNext(new OptionsView());
+            });
+            nodes.add(opt);
+        }
+
+        if (currentView.getClass().isAssignableFrom(GameView.class)) {
+            Widget tut = AppContext.currentTutorial();
+            if (tut != null) {
+                nodes.add(Primitive.button("tutorialstring", () -> {
+                    WidgetContainer.getCurrentView().add(Pos.CENTER, tut);
+                }));
+            }
+        }
+
+        nodes.add(Primitive.button("quit", () -> {
+            hide();
+            WidgetContainer.add(Pos.CENTER, new QuitPopup());
+        }));
+
+        add(Pos.CENTER, Primitive.vbox(nodes.toArray(new Node[0])));
+
+    }
+}

app/src/main/java/org/toop/app/widget/popup/GameOverPopup.java

@@ -2,7 +2,6 @@ package org.toop.app.widget.popup;
 
 import org.toop.app.widget.complex.ConfirmWidget;
 import org.toop.app.widget.complex.PopupWidget;
-import org.toop.local.AppContext;
 
 import javafx.geometry.Pos;
 

app/src/main/java/org/toop/app/widget/popup/QuitPopup.java

@@ -15,14 +15,12 @@ public class QuitPopup extends PopupWidget {
 		});
 
 		confirmWidget.addButton("no", () -> {
-			App.stopQuit();
 			hide();
 		});
 
 		add(Pos.CENTER, confirmWidget);
 
 		setOnPop(() -> {
-			App.stopQuit();
 			hide();
 		});
 	}

app/src/main/java/org/toop/app/widget/popup/SendChallengePopup.java

@@ -34,7 +34,7 @@ public final class SendChallengePopup extends PopupWidget {
 		// --- Left side: challenge text and buttons ---
 		var challengeText = Primitive.text("challenge");
 
-		var opponentHeader = Primitive.header(opponent);
+		var opponentHeader = Primitive.header(opponent, false);
 
 		var gameText = Primitive.text("to-a-game-of");
 
@@ -61,7 +61,7 @@ public final class SendChallengePopup extends PopupWidget {
 
 		var sendButton = Primitive.button(
 			"send",
-			() -> onSend.accept(playerInformation, gameChoice.getValue())
+			() -> { onSend.accept(playerInformation, gameChoice.getValue()); this.hide(); }
 		);
 
 		var cancelButton = Primitive.button("cancel", () -> hide());

app/src/main/java/org/toop/app/widget/tutorial/BaseTutorialWidget.java

@@ -7,7 +7,6 @@ import javafx.scene.text.Text;
 import org.apache.maven.surefire.shared.lang3.tuple.ImmutablePair;
 import org.toop.app.widget.Primitive;
 import org.toop.app.widget.Updatable;
-import org.toop.app.widget.WidgetContainer;
 import org.toop.app.widget.complex.PopupWidget;
 
 import org.toop.framework.resource.resources.ImageAsset;
@@ -59,8 +58,6 @@ public class BaseTutorialWidget extends PopupWidget implements Updatable {
         var x = Primitive.vbox(imagery, tutorialText);
 
         add(Pos.CENTER, Primitive.vbox(x, w));
-
-        WidgetContainer.add(Pos.CENTER, this);
     }
 
     @Override

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

@@ -1,34 +1,43 @@
 package org.toop.app.widget.view;
 
+import javafx.scene.paint.Color;
+import javafx.scene.shape.Circle;
+import javafx.scene.text.Font;
 import org.toop.app.widget.Primitive;
 import org.toop.app.widget.complex.ViewWidget;
 import org.toop.app.widget.popup.GameOverPopup;
-
 import java.util.function.Consumer;
-
 import javafx.application.Platform;
 import javafx.geometry.Pos;
 import javafx.scene.control.Button;
 import javafx.scene.control.TextField;
 import javafx.scene.text.Text;
-import org.toop.app.widget.tutorial.BaseTutorialWidget;
 import org.toop.app.widget.tutorial.Connect4TutorialWidget;
 import org.toop.app.widget.tutorial.ReversiTutorialWidget;
 import org.toop.app.widget.tutorial.TicTacToeTutorialWidget;
+import org.toop.local.AppContext;
 
 public final class GameView extends ViewWidget {
-	private final Text currentPlayerHeader;
-	private final Text currentMoveHeader;
-	private final Text nextPlayerHeader;
+	private final Text playerHeader;
+	private final Text turnHeader;
+    private final Text player1Header;
+    private final Text player2Header;
+    private Circle player1Icon;
+    private Circle player2Icon;
 	private final Button forfeitButton;
 	private final Button exitButton;
-    private final Button tutorialButton;
     private final TextField chatInput;
+    private final Text keyThingy;
+    private boolean hasSet = false;
 
 	public GameView(Runnable onForfeit, Runnable onExit, Consumer<String> onMessage, String gameType) {
-		currentPlayerHeader = Primitive.header("");
-		currentMoveHeader = Primitive.header("");
-		nextPlayerHeader = Primitive.header("");
+		playerHeader = Primitive.header("");
+		turnHeader = Primitive.header("");
+        keyThingy = Primitive.text("turnof");
+        player1Header = Primitive.header("");
+        player2Header = Primitive.header("");
+        player1Icon = new Circle();
+        player2Icon = new Circle();
 
 		if (onForfeit != null) {
 			forfeitButton = Primitive.button("forfeit", () -> onForfeit.run());
@@ -51,32 +60,27 @@ public final class GameView extends ViewWidget {
 			chatInput = null;
 		}
 
-        switch(gameType) {
+        switch (gameType) {
             case "TicTacToe":
-                this.tutorialButton = Primitive.button("tutorialstring", () -> new TicTacToeTutorialWidget(() -> {})); break;
+                AppContext.setCurrentTutorial(new TicTacToeTutorialWidget(() -> {}));
+                break;
             case "Reversi":
-                this.tutorialButton = Primitive.button("tutorialstring", () -> new ReversiTutorialWidget(() -> {})); break;
+                AppContext.setCurrentTutorial(new ReversiTutorialWidget(() -> {}));
+                break;
             case "Connect4":
-                this.tutorialButton = Primitive.button("tutorialstring", () -> new Connect4TutorialWidget(() -> {})); break;
-            default:
-                this.tutorialButton = null; break;
+                AppContext.setCurrentTutorial(new Connect4TutorialWidget(() -> {}));
+                break;
         }
 
 		setupLayout();
 	}
 
 	private void setupLayout() {
-		var playerInfo = Primitive.vbox(
-			currentPlayerHeader,
-			Primitive.hbox(
-				Primitive.separator(),
-				currentMoveHeader,
-				Primitive.separator()
-			),
-			nextPlayerHeader
-		);
+        var turnInfo = Primitive.vbox(
+                turnHeader
+        );
 
-		add(Pos.TOP_RIGHT, playerInfo);
+        add(Pos.TOP_CENTER, turnInfo);
 
 		var buttons = Primitive.vbox(
 			forfeitButton,
@@ -88,27 +92,88 @@ public final class GameView extends ViewWidget {
 		if (chatInput != null) {
 			add(Pos.BOTTOM_RIGHT, Primitive.vbox(chatInput));
 		}
-
-        if (tutorialButton != null) {
-            add(Pos.TOP_LEFT, tutorialButton);
-        }
 	}
 
-	public void nextPlayer(boolean isMe, String currentPlayer, String currentMove, String nextPlayer) {
+	public void nextPlayer(boolean isMe, String currentPlayer, String currentMove, String nextPlayer, char GameType) {
 		Platform.runLater(() -> {
-			currentPlayerHeader.setText(currentPlayer);
-			currentMoveHeader.setText(currentMove);
-			nextPlayerHeader.setText(nextPlayer);
-
-			if (isMe) {
-				currentPlayerHeader.getStyleClass().add("my-turn");
-			} else {
-				currentPlayerHeader.getStyleClass().remove("my-turn");
-			}
+            if (!(hasSet)) {
+                playerHeader.setText(currentPlayer + " vs. " + nextPlayer);
+                hasSet = true;
+                setPlayerHeaders(isMe, currentPlayer, nextPlayer, GameType);
+            }
+            //TODO idk if theres any way to check this? only EN uses 's and the rest doesnt. if theres a better way to do this pls let me know
+            if (AppContext.getLocale().toLanguageTag().equals("en")) {
+                turnHeader.setText(currentPlayer + keyThingy.getText());
+            }
 		});
 	}
 
 	public void gameOver(boolean iWon, String winner) {
 		new GameOverPopup(iWon, winner).show(Pos.CENTER);
 	}
+
+    private void setPlayerHeaders(boolean isMe, String currentPlayer, String nextPlayer, char GameType) {
+        if (GameType == 'T') {
+            if (isMe) {
+                player1Header.setText("X: " + currentPlayer);
+                player2Header.setText("O: " + nextPlayer);
+            }
+            else {
+                player1Header.setText("X: " + nextPlayer);
+                player2Header.setText("O: " + currentPlayer);
+            }
+            setPlayerInfoTTT();
+        }
+        else if (GameType == 'R') {
+            if (isMe) {
+                player1Header.setText(currentPlayer);
+                player2Header.setText(nextPlayer);
+            }
+            else {
+                player1Header.setText(nextPlayer);
+                player2Header.setText(currentPlayer);
+            }
+            setPlayerInfoReversi();
+        }
+    }
+
+    private void setPlayerInfoTTT() {
+        var playerInfo = Primitive.vbox(
+                playerHeader,
+                Primitive.separator(),
+                player1Header,
+                player2Header
+        );
+
+        add(Pos.TOP_RIGHT, playerInfo);
+    }
+
+    private void setPlayerInfoReversi() {
+        var player1box = Primitive.hbox(
+                player1Icon,
+                player1Header
+        );
+
+        player1box.getStyleClass().add("hboxspacing");
+
+        var player2box = Primitive.hbox(
+                player2Icon,
+                player2Header
+        );
+
+        player2box.getStyleClass().add("hboxspacing");
+
+        var playerInfo = Primitive.vbox(
+                playerHeader,
+                Primitive.separator(),
+                player1box,
+                player2box
+        );
+
+        player1Icon.setRadius(player1Header.fontProperty().map(Font::getSize).getValue());
+        player2Icon.setRadius(player2Header.fontProperty().map(Font::getSize).getValue());
+        player1Icon.setFill(Color.BLACK);
+        player2Icon.setFill(Color.WHITE);
+        add(Pos.TOP_RIGHT, playerInfo);
+    }
 }

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

@@ -6,6 +6,7 @@ import org.toop.app.gameControllers.AbstractGameController;
 import org.toop.app.gameControllers.ReversiController;
 import org.toop.app.gameControllers.TicTacToeController;
 import org.toop.framework.gameFramework.model.player.Player;
+import org.toop.game.games.tictactoe.TicTacToeAIRSleep;
 import org.toop.game.players.ArtificialPlayer;
 import org.toop.game.players.LocalPlayer;
 import org.toop.app.widget.Primitive;
@@ -13,7 +14,6 @@ import org.toop.app.widget.complex.PlayerInfoWidget;
 import org.toop.app.widget.complex.ViewWidget;
 import org.toop.app.widget.popup.ErrorPopup;
 import org.toop.game.games.reversi.ReversiAIR;
-import org.toop.game.games.tictactoe.TicTacToeAIR;
 import org.toop.app.widget.tutorial.*;
 import org.toop.local.AppContext;
 
@@ -52,12 +52,12 @@ public class LocalMultiplayerView extends ViewWidget {
                     if (information.players[0].isHuman) {
                         players[0] = new LocalPlayer<>(information.players[0].name);
                     } else {
-                        players[0] = new ArtificialPlayer<>(new TicTacToeAIR(), information.players[0].name);
+                        players[0] = new ArtificialPlayer<>(new TicTacToeAIRSleep(information.players[0].computerDifficulty, information.players[1].computerThinkTime), information.players[0].name);
                     }
                     if (information.players[1].isHuman) {
                         players[1] = new LocalPlayer<>(information.players[1].name);
                     } else {
-                        players[1] = new ArtificialPlayer<>(new TicTacToeAIR(), information.players[1].name);
+                        players[1] = new ArtificialPlayer<>(new TicTacToeAIRSleep(information.players[1].computerDifficulty, information.players[1].computerThinkTime), information.players[1].name);
                     }
                     if (AppSettings.getSettings().getTutorialFlag() && AppSettings.getSettings().getFirstTTT()) {
                         new ShowEnableTutorialWidget(

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

@@ -1,9 +1,9 @@
 package org.toop.app.widget.view;
 
-import org.toop.app.App;
 import org.toop.app.widget.Primitive;
 import org.toop.app.widget.complex.ViewWidget;
 import javafx.geometry.Pos;
+import org.toop.app.widget.popup.QuitPopup;
 
 public class MainView extends ViewWidget {
 	public MainView() {
@@ -24,7 +24,8 @@ public class MainView extends ViewWidget {
 		});
 
 		var quitButton = Primitive.button("quit", () -> {
-			App.startQuit();
+			var a = new QuitPopup();
+			a.show(Pos.CENTER);
 		});
 
 		add(Pos.CENTER, Primitive.vbox(

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

@@ -3,7 +3,6 @@ package org.toop.app.widget.view;
 import org.toop.app.Server;
 import org.toop.app.widget.Primitive;
 import org.toop.app.widget.complex.LabeledInputWidget;
-import org.toop.app.widget.complex.LoadingWidget;
 import org.toop.app.widget.complex.ViewWidget;
 
 import javafx.geometry.Pos;

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

@@ -74,7 +74,7 @@ public class OptionsView extends ViewWidget {
 				AppSettings.getSettings().setVolume(val);
 				new EventFlow()
 					.addPostEvent(new AudioEvents.ChangeVolume(val, VolumeControl.MASTERVOLUME))
-					.asyncPostEvent();
+					.postEvent();
 			}
 		);
 
@@ -86,7 +86,7 @@ public class OptionsView extends ViewWidget {
 				AppSettings.getSettings().setFxVolume(val);
 				new EventFlow()
 					.addPostEvent(new AudioEvents.ChangeVolume(val, VolumeControl.FX))
-					.asyncPostEvent();
+					.postEvent();
 			}
 		);
 
@@ -98,7 +98,7 @@ public class OptionsView extends ViewWidget {
 				AppSettings.getSettings().setMusicVolume(val);
 				new EventFlow()
 					.addPostEvent(new AudioEvents.ChangeVolume(val, VolumeControl.MUSIC))
-					.asyncPostEvent();
+					.postEvent();
 			}
 		);
 

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

@@ -14,14 +14,12 @@ import javafx.scene.control.ListView;
 public final class ServerView extends ViewWidget {
 	private final String user;
 	private final Consumer<String> onPlayerClicked;
-	private final Runnable onDisconnect;
 
 	private final ListView<Button> listView;
 
-	public ServerView(String user, Consumer<String> onPlayerClicked, Runnable onDisconnect) {
+	public ServerView(String user, Consumer<String> onPlayerClicked) {
 		this.user = user;
 		this.onPlayerClicked = onPlayerClicked;
-		this.onDisconnect = onDisconnect;
 
 		this.listView = new ListView<>();
 
@@ -40,7 +38,6 @@ public final class ServerView extends ViewWidget {
 		add(Pos.CENTER, playerListSection);
 
 		var disconnectButton = Primitive.button("disconnect", () -> {
-			onDisconnect.run();
 			transitionPrevious();
 		});
 

app/src/main/java/org/toop/local/AppContext.java

@@ -1,10 +1,10 @@
 package org.toop.local;
 
-import java.util.Locale;
 import java.util.MissingResourceException;
 
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
+import org.toop.app.widget.tutorial.BaseTutorialWidget;
 import org.toop.framework.resource.ResourceManager;
 import org.toop.framework.resource.resources.LocalizationAsset;
 
@@ -16,11 +16,13 @@ import javafx.beans.property.ObjectProperty;
 import javafx.beans.property.SimpleObjectProperty;
 
 public class AppContext {
+    private static final Logger logger = LogManager.getLogger(AppContext.class);
+
     private static final LocalizationAsset localization = ResourceManager.get("localization");
     private static Locale locale = Locale.forLanguageTag("en");
 
 	private static final ObjectProperty<Locale> localeProperty = new SimpleObjectProperty<>(locale);
-    private static final Logger logger = LogManager.getLogger(AppContext.class);
+    private static BaseTutorialWidget tutorialWidget;
 
     public static LocalizationAsset getLocalization() {
         return localization;
@@ -73,4 +75,12 @@ public class AppContext {
     public static StringBinding bindToKey(String key) {
         return bindToKey(key, true);
     }
+
+    public static void setCurrentTutorial(BaseTutorialWidget tutorial) {
+        AppContext.tutorialWidget = tutorial;
+    }
+
+    public static BaseTutorialWidget currentTutorial() {
+        return AppContext.tutorialWidget;
+    }
 }

app/src/main/java/org/toop/local/AppSettings.java

@@ -36,13 +36,13 @@ public class AppSettings {
 
 		new EventFlow()
 				.addPostEvent(new AudioEvents.ChangeVolume(settingsData.volume, VolumeControl.MASTERVOLUME))
-				.asyncPostEvent();
+				.postEvent();
 		new EventFlow()
 				.addPostEvent(new AudioEvents.ChangeVolume(settingsData.fxVolume, VolumeControl.FX))
-				.asyncPostEvent();
+				.postEvent();
 		new EventFlow()
 				.addPostEvent(new AudioEvents.ChangeVolume(settingsData.musicVolume, VolumeControl.MUSIC))
-				.asyncPostEvent();
+				.postEvent();
 	}
 
 	public static SettingsAsset getPath() {

app/src/main/resources/localization/localization_ar.properties

@@ -85,6 +85,11 @@ reversi4=\u0627\u0644\u0644\u0627\u0639\u0628 \u0627\u0644\u0630\u064a \u064a\u0
 tutorialstring=\u0627\u0644\u062f\u0631\u0633 \u0627\u0644\u062a\u0648\u0636\u064a\u062d\u064a
 startgame=\u0627\u0628\u062f\u0623 \u0627\u0644\u0644\u0639\u0628\u0629!
 goback=\u0627\u0631\u062c\u0639
+turnof=\u062F\u0648\u0631\u0647
+zwartepiet=\u0633\u0647\u0644: Zwarte Piet
+sinterklaas=\u0645\u062a\u0648\u0633\u0637: Sint R. Klaas
+santa=\u0635\u0639\u0628: Santa
+
 
 arabic=\u0627\u0644\u0639\u0631\u0628\u064a\u0629
 chinese=\u4e2d\u6587 (\u0627\u0644\u0635\u064a\u0646\u064a\u0629)

app/src/main/resources/localization/localization_de.properties

@@ -87,6 +87,10 @@ reversi4=Der Spieler, der am Ende die meisten Steine auf dem Brett hat, gewinnt.
 tutorialstring=Tutorial
 startgame=Spiel starten!
 goback=Zur<EFBFBD>ck
+turnof=ist dran
+zwartepiet=Leicht: Zwarte Piet
+sinterklaas=Mittel: Sint R. Klaas
+santa=Schwer: Santa
 
 arabic=\u0627\u0644\u0639\u0631\u0628\u064a\u0629 (Arabisch)
 chinese=\u4e2d\u6587 (Chinesisch)

app/src/main/resources/localization/localization_en.properties

@@ -24,6 +24,7 @@ error=Error
 exit=Exit
 forfeit=Forfeit
 fullscreen=Fullscreen
+game=REPLACE ME
 game-over=Game Over
 general=General
 high-contrast=High contrast
@@ -88,7 +89,10 @@ reversi4=The player who wins at the end of the game is the one who has the most
 tutorialstring=Tutorial
 startgame=Start game!
 goback=Go back
-
+turnof='s turn
+zwartepiet=Easy: Zwarte Piet
+sinterklaas=Medium: Sint R. Klaas
+santa=Hard:Santa
 
 arabic=\u0627\u0644\u0639\u0631\u0628\u064a\u0629 (Arabic)
 chinese=\u4e2d\u6587 (Chinese)

app/src/main/resources/localization/localization_es.properties

@@ -86,7 +86,10 @@ reversi4=El jugador que gane al final del juego es quien tenga m
 tutorialstring=Tutorial
 startgame=\u00a1Iniciar juego!
 goback=Volver
-
+turnof=le toca
+zwartepiet=F\u00e1cil: Zwarte Piet
+sinterklaas=Medio: Sint R. Klaas
+santa=Dif\u00edcil: Santa
 
 arabic=\u0627\u0644\u0639\u0631\u0628\u064a\u0629 (Ar\u00e1bigo)
 chinese=\u4e2d\u6587 (Chino)

app/src/main/resources/localization/localization_fr.properties

@@ -86,6 +86,10 @@ reversi4=Le joueur qui a le plus de pions
 tutorialstring=Tutoriel
 startgame=D\u00e9marrer le jeu!
 goback=Retour
+turnof=\u00E0 son tour
+zwartepiet=Facile: Zwarte Piet
+sinterklaas=Moyen : Sint R. Klaas
+santa=Difficile: Santa
 
 arabic=\u0627\u0644\u0639\u0631\u0628\u064a\u0629 (Arabe)
 chinese=\u4e2d\u6587 (Chinois)

app/src/main/resources/localization/localization_hi.properties

@@ -86,6 +86,10 @@ reversi4=\u0916\u0941\u092f \u0915\u093f \u0915\u0940 \u0928\u093f\u092e\u0940 \
 tutorialstring=\u0924\u0942\u091f\u0949\u0930\u093f\u092f\u0932
 startgame=\u0916\u0947\u0932 \u0936\u0941\u0930\u0942 \u0915\u0930\u0947\u0902!
 goback=\u0935\u093e\u092a\u0938 \u091c\u093e\u090f\u0901
+turnof=\u0915\u0940 \u092C\u093E\u0930\u0940
+zwartepiet=\u0905\u0938\u093e\u0928: Zwarte Piet
+sinterklaas=\u092e\u0927\u094d\u092f\u092e: Sint R. Klaas
+santa=\u0915\u0924\u093f\u0928: Santa
 
 arabic=\u0627\u0644\u0639\u0631\u0628\u064a\u0629 (\u0905\u0930\u092c\u0940)
 chinese=\u4e2d\u6587 (\u091a\u0940\u0928\u0940)

app/src/main/resources/localization/localization_it.properties

@@ -85,6 +85,10 @@ reversi4=Il giocatore che alla fine del gioco ha pi
 tutorialstring=Tutorial
 startgame=Avvia il gioco!
 goback=Indietro
+turnof=\u00E8 il suo turno
+zwartepiet=Facile: Zwarte Piet
+sinterklaas=Medio: Sint R. Klaas
+santa=Difficile: Santa
 
 arabic=\u0627\u0644\u0639\u0631\u0628\u064a\u0629 (Arabo)
 chinese=\u4e2d\u6587 (Cinese)

app/src/main/resources/localization/localization_ja.properties

@@ -85,6 +85,10 @@ reversi4=\u672c\u6b21\u306b\u30dc\u30fc\u30c9\u4e0a\u3067\u6700\u591a\u306e\u8ca
 tutorialstring=\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb
 startgame=\u30b2\u30fc\u30e0\u3092\u958b\u59cb\uff01
 goback=\u623b\u308b
+turnof=\u306E\u756A
+zwartepiet=\u7c21\u5358: Zwarte Piet
+sinterklaas=\u4e2d\u7d1a: Sint R. Klaas
+santa=\u96e3\u3057\u3044: Santa
 
 arabic=\u0627\u0644\u0639\u0631\u0628\u064a\u0629 (\u30a2\u30e9\u30d3\u30a2\u8a9e)
 chinese=\u4e2d\u6587 (\u4e2d\u6587)

app/src/main/resources/localization/localization_ko.properties

@@ -85,6 +85,10 @@ reversi4=\uacbd\uc6b0 \uc5d0\uc11c \ucd5c\ub300 \ud648\uc744 \uac00\uc838\ub294
 tutorialstring=\ud14c\ud2b8\ub9ad
 startgame=\uac8c\uc784 \uc2dc\uc791!
 goback=\ub4a4\ub85c \uac00\uae30
+turnof=\uC758 \uCC28\uB840
+zwartepiet=\uc218\uc601: Zwarte Piet
+sinterklaas=\ubcf4\ud1b5: Sint R. Klaas
+santa=\uc5d0\uc18c: Santa
 
 arabic=\u0627\u0644\u0639\u0631\u0628\u064a\u0629 (\u0639\u0631\u0628\u064a\u0629)
 chinese=\u4e2d\u6587 (\u4e2d\u6587)

app/src/main/resources/localization/localization_nl.properties

@@ -85,6 +85,10 @@ reversi4=De speler die aan het einde van het spel de meeste stukken op het bord
 tutorialstring=Tutorial
 startgame=Spel starten!
 goback=Ga terug
+turnof=is aan de beurt
+zwartepiet=Makkelijk: Zwarte Piet
+sinterklaas=Gemiddeld: Sint R. Klaas
+santa=Moeilijk: Santa
 
 arabic=\u0627\u0644\u0639\u0631\u0628\u064a\u0629 (Arabisch)
 chinese=\u4e2d\u6587 (Chinees)

app/src/main/resources/localization/localization_ru.properties

@@ -85,6 +85,10 @@ reversi4=\u0418043 \u0433043 \u0440043 \u043e043 \u043a043 \u043e043 \u0442043 \
 tutorialstring=\u0423\u0447\u0435\u0431\u043d\u0438\u043a
 startgame=\u041d\u0430\u0447\u0430\u0442\u044c \u0438\u0433\u0440\u0443!
 goback=\u041d\u0430\u0437\u0430\u0434
+turnof=\u0445\u043E\u0434\u0438\u0442
+zwartepiet=\u041b\u0435\u0433\u043a\u043e: Zwarte Piet
+sinterklaas=\u0421\u0440\u0435\u0434\u043d\u0438\u0439: Sint R. Klaas
+santa=\u0421\u043b\u043e\u0436\u043d\u043e: Santa
 
 arabic=\u0627\u0644\u0639\u0631\u0628\u064a\u0629 (\u0410\u0440\u0430\u0431\u0441\u043a\u0438\u0439)
 chinese=\u4e2d\u6587 (\u041a\u0438\u0442\u0430\u0439\u0441\u043a\u0438\u0439)

app/src/main/resources/localization/localization_zh.properties

@@ -85,6 +85,10 @@ reversi4=\u672c\u6e38\u620f\u7ed3\u675f\u65f6\u8d62\u5f97\u6ee1\u8fc7\u76d8\u976
 tutorialstring=\u6559\u7a0b
 startgame=\u5f00\u59cb\u6e38\u620f\uff01
 goback=\u8fd4\u56de
+turnof=\u7684\u56DE\u5408
+zwartepiet=\u7b80\u5355: Zwarte Piet
+sinterklaas=\u4e2d\u7b49: Sint R. Klaas
+santa=\u56f0\u96be: Santa
 
 arabic=\u0627\u0644\u0639\u0631\u0628\u064a\u0629 (\u963f\u62c9\u4f2f\u8bed)
 chinese=\u4e2d\u6587

app/src/main/resources/style/dark.css

@@ -166,7 +166,7 @@
 	-fx-effect: dropshadow(gaussian, #88cc8899, 5, 0, 0, 1);
 }
 
-.my-turn {
+.text.my-turn {
 	-fx-fill: #e05656;
 	-fx-font-weight: bold;
 }

app/src/main/resources/style/high-contrast.css

@@ -164,7 +164,7 @@
 	-fx-effect: dropshadow(gaussian, #70e070cc, 6, 0, 0, 2);
 }
 
-.my-turn {
+.text.my-turn {
 	-fx-fill: #ff4b4b;
 	-fx-font-weight: bold;
 }

app/src/main/resources/style/large.css

@@ -23,6 +23,11 @@
 	-fx-spacing: 14;
 }
 
+.hboxspacing {
+    -fx-padding: 2;
+    -fx-spacing: 10;
+}
+
 .current-player {
 	-fx-font-size: 32px;
 }

app/src/main/resources/style/light.css

@@ -166,7 +166,7 @@
 	-fx-effect: dropshadow(gaussian, #aad3aa99, 4, 0, 0, 1);
 }
 
-.my-turn {
+.text.my-turn {
 	-fx-fill: #d14b4b;
 	-fx-font-weight: bold;
 }

app/src/main/resources/style/medium.css

@@ -23,6 +23,11 @@
 	-fx-spacing: 10;
 }
 
+.hboxspacing {
+    -fx-padding: 2;
+    -fx-spacing: 10;
+}
+
 .current-player {
 	-fx-font-size: 24px;
 }

app/src/main/resources/style/small.css

@@ -23,6 +23,11 @@
 	-fx-spacing: 6;
 }
 
+.hboxspacing {
+    -fx-padding: 2;
+    -fx-spacing: 10;
+}
+
 .current-player {
 	-fx-font-size: 16px;
 }

framework/src/main/java/org/toop/framework/audio/AudioEventListener.java

@@ -5,26 +5,29 @@ import org.toop.framework.audio.interfaces.MusicManager;
 import org.toop.framework.audio.interfaces.SoundEffectManager;
 import org.toop.framework.audio.interfaces.VolumeManager;
 import org.toop.framework.eventbus.EventFlow;
-import org.toop.framework.eventbus.GlobalEventBus;
+import org.toop.framework.eventbus.bus.EventBus;
 import org.toop.framework.resource.types.AudioResource;
 
 public class AudioEventListener<T extends AudioResource, K extends AudioResource> {
+    private final EventBus eventBus;
     private final MusicManager<T> musicManager;
     private final SoundEffectManager<K> soundEffectManager;
     private final VolumeManager audioVolumeManager;
 
     public AudioEventListener(
+            EventBus eventBus,
             MusicManager<T> musicManager,
             SoundEffectManager<K> soundEffectManager,
             VolumeManager audioVolumeManager
     ) {
+        this.eventBus = eventBus;
         this.musicManager = musicManager;
         this.soundEffectManager = soundEffectManager;
         this.audioVolumeManager = audioVolumeManager;
     }
 
     public AudioEventListener<?, ?> initListeners(String buttonSoundToPlay) {
-        new EventFlow()
+        new EventFlow(eventBus)
                 .listen(AudioEvents.StopAudioManager.class, this::handleStopMusicManager, false)
                 .listen(AudioEvents.PlayEffect.class, this::handlePlaySound, false)
                 .listen(AudioEvents.SkipMusic.class, this::handleSkipSong, false)
@@ -73,7 +76,7 @@ public class AudioEventListener<T extends AudioResource, K extends AudioResource
     }
 
     private void handleGetVolume(AudioEvents.GetVolume event) {
-        GlobalEventBus.postAsync(new AudioEvents.GetVolumeResponse(
+        eventBus.post(new AudioEvents.GetVolumeResponse(
                 audioVolumeManager.getVolume(event.controlType()),
                 event.identifier()));
     }

framework/src/main/java/org/toop/framework/audio/MusicManager.java

@@ -6,8 +6,7 @@ import org.toop.framework.audio.events.AudioEvents;
 import org.toop.framework.dispatch.interfaces.Dispatcher;
 import org.toop.framework.dispatch.JavaFXDispatcher;
 import org.toop.annotations.TestsOnly;
-import org.toop.framework.eventbus.EventFlow;
-import org.toop.framework.eventbus.GlobalEventBus;
+import org.toop.framework.eventbus.bus.EventBus;
 import org.toop.framework.resource.types.AudioResource;
 
 import java.util.*;
@@ -18,6 +17,7 @@ import java.util.concurrent.TimeUnit;
 public class MusicManager<T extends AudioResource> implements org.toop.framework.audio.interfaces.MusicManager<T> {
     private static final Logger logger = LogManager.getLogger(MusicManager.class);
 
+    private final EventBus eventBus;
     private final List<T> backgroundMusic = new ArrayList<>();
     private final Dispatcher dispatcher;
     private final List<T> resources;
@@ -27,7 +27,8 @@ public class MusicManager<T extends AudioResource> implements org.toop.framework
     private ScheduledExecutorService scheduler;
 
 
-    public MusicManager(List<T> resources, boolean shuffleMusic) {
+    public MusicManager(EventBus eventbus, List<T> resources, boolean shuffleMusic) {
+        this.eventBus = eventbus;
         this.dispatcher = new JavaFXDispatcher();
         this.resources = resources;
         // Shuffle if wanting to shuffle
@@ -40,7 +41,8 @@ public class MusicManager<T extends AudioResource> implements org.toop.framework
      * {@code @TestsOnly} DO NOT USE
      */
     @TestsOnly
-    public MusicManager(List<T> resources, Dispatcher dispatcher) {
+    public MusicManager(EventBus eventBus, List<T> resources, Dispatcher dispatcher) {
+        this.eventBus = eventBus;
         this.dispatcher = dispatcher;
         this.resources = new ArrayList<>(resources);
         backgroundMusic.addAll(resources);
@@ -124,7 +126,7 @@ public class MusicManager<T extends AudioResource> implements org.toop.framework
         Runnable currentMusicTask = new Runnable() {
             @Override
             public void run() {
-                GlobalEventBus.post(new AudioEvents.PlayingMusic(track.getName(), track.currentPosition(), track.duration()));
+                eventBus.post(new AudioEvents.PlayingMusic(track.getName(), track.currentPosition(), track.duration()));
                 scheduler.schedule(this, 1, TimeUnit.SECONDS);
             }
         };

framework/src/main/java/org/toop/framework/audio/SoundEffectManager.java

@@ -2,18 +2,10 @@ package org.toop.framework.audio;
 
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
-import org.toop.framework.resource.ResourceManager;
 import org.toop.framework.resource.ResourceMeta;
 import org.toop.framework.resource.resources.BaseResource;
-import org.toop.framework.resource.resources.MusicAsset;
-import org.toop.framework.resource.resources.SoundEffectAsset;
 import org.toop.framework.resource.types.AudioResource;
 
-import javax.sound.sampled.Clip;
-import javax.sound.sampled.LineEvent;
-import javax.sound.sampled.LineUnavailableException;
-import javax.sound.sampled.UnsupportedAudioFileException;
-import java.io.IOException;
 import java.util.*;
 import java.util.stream.Collectors;
 

framework/src/main/java/org/toop/framework/audio/events/AudioEvents.java

@@ -2,8 +2,6 @@ package org.toop.framework.audio.events;
 
 import org.toop.framework.audio.VolumeControl;
 import org.toop.framework.eventbus.events.*;
-import org.toop.framework.eventbus.events.ResponseToUniqueEvent;
-import org.toop.framework.eventbus.events.UniqueEvent;
 
 public class AudioEvents extends EventsBase {
     /** Stops the audio manager. */

framework/src/main/java/org/toop/framework/audio/interfaces/SoundEffectManager.java

@@ -1,12 +1,7 @@
 package org.toop.framework.audio.interfaces;
 
-import org.toop.framework.resource.resources.SoundEffectAsset;
 import org.toop.framework.resource.types.AudioResource;
 
-import javax.sound.sampled.LineUnavailableException;
-import javax.sound.sampled.UnsupportedAudioFileException;
-import java.io.IOException;
-
 public interface SoundEffectManager<T extends AudioResource> extends AudioManager<T> {
     void play(String name, boolean loop);
     void stop(String name);

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

@@ -13,10 +13,13 @@ import org.toop.framework.SnowflakeGenerator;
 import org.toop.framework.eventbus.events.EventType;
 import org.toop.framework.eventbus.events.ResponseToUniqueEvent;
 import org.toop.framework.eventbus.events.UniqueEvent;
+import org.toop.framework.eventbus.bus.EventBus;
+import org.toop.framework.eventbus.subscriber.DefaultSubscriber;
+import org.toop.framework.eventbus.subscriber.Subscriber;
 
 /**
  * EventFlow is a utility class for creating, posting, and optionally subscribing to events in a
- * type-safe and chainable manner. It is designed to work with the {@link GlobalEventBus}.
+ * type-safe and chainable manner. It is designed to work with the {@link EventBus}.
  *
  * <p>This class supports automatic UUID assignment for {@link UniqueEvent} events, and
  * allows filtering subscribers so they only respond to events with a specific UUID. All
@@ -31,6 +34,8 @@ public class EventFlow {
     /** Cache of constructor handles for event classes to avoid repeated reflection lookups. */
     private static final Map<Class<?>, MethodHandle> CONSTRUCTOR_CACHE = new ConcurrentHashMap<>();
 
+    private final EventBus eventBus;
+
     /** Automatically assigned UUID for {@link UniqueEvent} events. */
     private long eventSnowflake = -1;
 
@@ -38,13 +43,19 @@ public class EventFlow {
     private EventType event = null;
 
     /** The listener returned by GlobalEventBus subscription. Used for unsubscription. */
-    private final List<ListenerHandler<?>> listeners = new ArrayList<>();
+    private final List<Subscriber<?, ?>> listeners = new ArrayList<>();
 
     /** Holds the results returned from the subscribed event, if any. */
     private Map<String, ?> result = null;
 
     /** Empty constructor (event must be added via {@link #addPostEvent(Class, Object...)}). */
-    public EventFlow() {}
+    public EventFlow(EventBus eventBus) {
+        this.eventBus = eventBus;
+    }
+
+    public EventFlow() {
+        this.eventBus = GlobalEventBus.get();
+    }
 
     /**
      *
@@ -145,21 +156,19 @@ public class EventFlow {
 
             action.accept(eventClass);
 
-            if (unsubscribeAfterSuccess) unsubscribe(id);
+            if (unsubscribeAfterSuccess) unsubscribe(String.valueOf(id));
 
             this.result = eventClass.result();
         };
 
-        // TODO Remove casts
-        var listener = new ListenerHandler<>(
-                id,
+        var subscriber = new DefaultSubscriber<>(
                 name,
-                (Class<ResponseToUniqueEvent>) event,
-                (Consumer<ResponseToUniqueEvent>) newAction
+                event,
+                newAction
         );
 
-        GlobalEventBus.subscribe(listener);
-        this.listeners.add(listener);
+        eventBus.subscribe(subscriber);
+        this.listeners.add(subscriber);
         return this;
     }
 
@@ -227,7 +236,7 @@ public class EventFlow {
                     TT typedEvent = (TT) uuidEvent;
                     action.accept(typedEvent);
 
-                    if (unsubscribeAfterSuccess) unsubscribe(id);
+                    if (unsubscribeAfterSuccess) unsubscribe(String.valueOf(id));
 
                     this.result = typedEvent.result();
                 } catch (ClassCastException _) {
@@ -239,14 +248,13 @@ public class EventFlow {
             }
         };
 
-        var listener = new ListenerHandler<>(
-                id,
+        var listener = new DefaultSubscriber<>(
                 name,
                 (Class<TT>) action.getClass().getDeclaredMethods()[0].getParameterTypes()[0],
                 newAction
         );
 
-        GlobalEventBus.subscribe(listener);
+        eventBus.subscribe(listener);
         this.listeners.add(listener);
         return this;
     }
@@ -284,17 +292,16 @@ public class EventFlow {
         Consumer<TT> newAction = eventc -> {
             action.accept(eventc);
 
-            if (unsubscribeAfterSuccess) unsubscribe(id);
+            if (unsubscribeAfterSuccess) unsubscribe(String.valueOf(id));
         };
 
-        var listener = new ListenerHandler<>(
-                        id,
+        var listener = new DefaultSubscriber<>(
                         name,
                         event,
                         newAction
                 );
 
-        GlobalEventBus.subscribe(listener);
+        eventBus.subscribe(listener);
         this.listeners.add(listener);
         return this;
     }
@@ -362,7 +369,7 @@ public class EventFlow {
             try {
                 TT typedEvent = (TT) nonUuidEvent;
                 action.accept(typedEvent);
-                if (unsubscribeAfterSuccess) unsubscribe(id);
+                if (unsubscribeAfterSuccess) unsubscribe(String.valueOf(id));
             } catch (ClassCastException _) {
                 throw new ClassCastException(
                         "Cannot cast "
@@ -371,14 +378,13 @@ public class EventFlow {
             }
         };
 
-        var listener = new ListenerHandler<>(
-                id,
+        var listener = new DefaultSubscriber<>(
                 name,
                 eventClass,
                 newAction
         );
 
-        GlobalEventBus.subscribe(listener);
+        eventBus.subscribe(listener);
         this.listeners.add(listener);
         return this;
     }
@@ -401,15 +407,18 @@ public class EventFlow {
      * Posts the event added through {@link #addPostEvent}.
      */
     public EventFlow postEvent() {
-        GlobalEventBus.post(this.event);
+        eventBus.post(this.event);
         return this;
     }
 
     /**
      * Posts the event added through {@link #addPostEvent} asynchronously.
+     *
+     * @deprecated use {@link #postEvent()} instead.
      */
+    @Deprecated
     public EventFlow asyncPostEvent() {
-        GlobalEventBus.postAsync(this.event);
+        eventBus.post(this.event);
         return this;
     }
 
@@ -417,28 +426,12 @@ public class EventFlow {
      *
      * Unsubscribe from an event.
      *
-     * @param listenerObject The listener object to remove and unsubscribe.
+     * @param action The listener object to remove and unsubscribe.
      */
-    public void unsubscribe(Object listenerObject) {
+    public void unsubscribe(Consumer<?> action) {
         this.listeners.removeIf(handler -> {
-            if (handler.getListener() == listenerObject) {
-                GlobalEventBus.unsubscribe(handler);
-                return true;
-            }
-            return false;
-        });
-    }
-
-    /**
-     *
-     * Unsubscribe from an event.
-     *
-     * @param listenerId The id given to the {@link ListenerHandler}.
-     */
-    public void unsubscribe(long listenerId) {
-        this.listeners.removeIf(handler -> {
-            if (handler.getId() == listenerId) {
-                GlobalEventBus.unsubscribe(handler);
+            if (handler.handler().equals(action)) {
+                eventBus.unsubscribe(handler);
                 return true;
             }
             return false;
@@ -452,8 +445,8 @@ public class EventFlow {
      */
     public void unsubscribe(String name) {
         this.listeners.removeIf(handler -> {
-            if (handler.getName().equals(name)) {
-                GlobalEventBus.unsubscribe(handler);
+            if (handler.id().equals(name)) {
+                eventBus.unsubscribe(handler);
                 return true;
             }
             return false;
@@ -465,7 +458,7 @@ public class EventFlow {
      */
     public void unsubscribeAll() {
         listeners.removeIf(handler -> {
-            GlobalEventBus.unsubscribe(handler);
+            eventBus.unsubscribe(handler);
             return true;
         });
     }
@@ -503,8 +496,8 @@ public class EventFlow {
      *
      * @return Copy of the list of listeners.
      */
-    public ListenerHandler[] getListeners() {
-        return listeners.toArray(new ListenerHandler[0]);
+    public Subscriber<?, ?>[] getListeners() {
+        return listeners.toArray(new Subscriber[0]);
     }
 
     /**

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

@@ -1,193 +1,45 @@
 package org.toop.framework.eventbus;
 
-import com.lmax.disruptor.*;
-import com.lmax.disruptor.dsl.Disruptor;
-import com.lmax.disruptor.dsl.ProducerType;
-import java.util.Map;
-import java.util.concurrent.*;
-import java.util.function.Consumer;
-
 import org.apache.logging.log4j.LogManager;
-import org.apache.logging.log4j.Logger;
-import org.toop.framework.eventbus.events.EventType;
-import org.toop.framework.eventbus.events.UniqueEvent;
+import org.toop.framework.eventbus.bus.DisruptorEventBus;
+import org.toop.framework.eventbus.bus.EventBus;
+import org.toop.framework.eventbus.store.DefaultSubscriberStore;
+import org.toop.framework.eventbus.subscriber.Subscriber;
 
-/**
- * GlobalEventBus backed by the LMAX Disruptor for ultra-low latency, high-throughput event
- * publishing.
- */
-public final class GlobalEventBus {
-    private static final Logger logger = LogManager.getLogger(GlobalEventBus.class);
+public class GlobalEventBus implements EventBus {
+    private static final EventBus INSTANCE = new DisruptorEventBus(
+            LogManager.getLogger(DisruptorEventBus.class),
+            new DefaultSubscriberStore()
+    );
 
-    /** Map of event class to type-specific listeners. */
-    private static final Map<Class<?>, CopyOnWriteArrayList<ListenerHandler<?>>>
-            LISTENERS = new ConcurrentHashMap<>();
-
-    /** Map of event class to Snowflake-ID-specific listeners. */
-    private static final Map<
-                    Class<?>, ConcurrentHashMap<Long, Consumer<? extends UniqueEvent>>>
-            UUID_LISTENERS = new ConcurrentHashMap<>();
-
-    /** Disruptor ring buffer size (must be power of two). */
-    private static final int RING_BUFFER_SIZE = 1024 * 64;
-
-    /** Disruptor instance. */
-    private static final Disruptor<EventHolder> DISRUPTOR;
-
-    /** Ring buffer used for publishing events. */
-    private static final RingBuffer<EventHolder> RING_BUFFER;
-
-    static {
-        ThreadFactory threadFactory =
-                r -> {
-                    Thread t = new Thread(r, "EventBus-Disruptor");
-                    t.setDaemon(true);
-                    return t;
-                };
-
-        DISRUPTOR =
-                new Disruptor<>(
-                        EventHolder::new,
-                        RING_BUFFER_SIZE,
-                        threadFactory,
-                        ProducerType.MULTI,
-                        new BusySpinWaitStrategy());
-
-        DISRUPTOR.handleEventsWith(
-                (holder, seq, endOfBatch) -> {
-                    if (holder.event != null) {
-                        dispatchEvent(holder.event);
-                        holder.event = null;
-                    }
-                });
-
-        DISRUPTOR.start();
-        RING_BUFFER = DISRUPTOR.getRingBuffer();
-    }
-
-    /** Prevent instantiation. */
     private GlobalEventBus() {}
 
-    /** Wrapper used inside the ring buffer. */
-    private static class EventHolder {
-        EventType event;
+    public static EventBus get() {
+        return INSTANCE;
     }
 
-    // ------------------------------------------------------------------------
-    // Subscription
-    // ------------------------------------------------------------------------
-    public static <T extends EventType> void subscribe(ListenerHandler<T> listener) {
-        logger.debug("Subscribing to {}: {}", listener.getListenerClass().getSimpleName(), listener.getListener().getClass().getSimpleName());
-        LISTENERS.computeIfAbsent(listener.getListenerClass(), _ -> new CopyOnWriteArrayList<>()).add(listener);
+    @Override
+    public void subscribe(Subscriber<?, ?> listener) {
+        INSTANCE.subscribe(listener);
     }
 
-    // TODO
-    public static <T extends UniqueEvent> void subscribeById(
-            Class<T> eventClass, long eventId, Consumer<T> listener) {
-        UUID_LISTENERS
-                .computeIfAbsent(eventClass, _ -> new ConcurrentHashMap<>())
-                .put(eventId, listener);
+    @Override
+    public void unsubscribe(Subscriber<?, ?> listener) {
+        INSTANCE.unsubscribe(listener);
     }
 
-    public static void unsubscribe(ListenerHandler<?> listener) {
-        logger.debug("Unsubscribing from {}: {}", listener.getListenerClass().getSimpleName(), listener.getListener().getClass().getSimpleName());
-        LISTENERS.getOrDefault(listener.getListenerClass(), new CopyOnWriteArrayList<>())
-                .remove(listener);
-        LISTENERS.entrySet().removeIf(entry -> entry.getValue().isEmpty());
+    @Override
+    public <T> void post(T event) {
+        INSTANCE.post(event);
     }
 
-    // TODO
-    public static <T extends UniqueEvent> void unsubscribeById(
-            Class<T> eventClass, long eventId) {
-        Map<Long, Consumer<? extends UniqueEvent>> map = UUID_LISTENERS.get(eventClass);
-        if (map != null) map.remove(eventId);
+    @Override
+    public void shutdown() {
+        INSTANCE.shutdown();
     }
 
-    // ------------------------------------------------------------------------
-    // Posting
-    // ------------------------------------------------------------------------
-    public static <T extends EventType> void post(T event) {
-        dispatchEvent(event); // synchronous
-    }
-
-    public static <T extends EventType> void postAsync(T event) {
-        long seq = RING_BUFFER.next();
-        try {
-            EventHolder holder = RING_BUFFER.get(seq);
-            holder.event = event;
-        } finally {
-            RING_BUFFER.publish(seq);
-        }
-    }
-
-    @SuppressWarnings("unchecked")
-    private static <T extends EventType> void callListener(ListenerHandler<?> raw, EventType event) {
-        ListenerHandler<T> handler = (ListenerHandler<T>) raw;
-        Consumer<T> listener = handler.getListener();
-
-        T casted = (T) event;
-
-        listener.accept(casted);
-    }
-
-    @SuppressWarnings("unchecked")
-    private static void dispatchEvent(EventType event) {
-        Class<?> clazz = event.getClass();
-
-        logger.debug("Triggered event: {}", event.getClass().getSimpleName());
-
-        CopyOnWriteArrayList<ListenerHandler<?>> classListeners = LISTENERS.get(clazz);
-        if (classListeners != null) {
-            for (ListenerHandler<?> listener : classListeners) {
-                try {
-                    callListener(listener, event);
-                } catch (Throwable e) {
-                    e.printStackTrace();
-                }
-            }
-        }
-
-        CopyOnWriteArrayList<ListenerHandler<?>> genericListeners = LISTENERS.get(Object.class);
-        if (genericListeners != null) {
-            for (ListenerHandler<?> listener : genericListeners) {
-                try {
-                    callListener(listener, event);
-                } catch (Throwable e) {
-                     e.printStackTrace();
-                }
-            }
-        }
-
-        if (event instanceof UniqueEvent snowflakeEvent) {
-            Map<Long, Consumer<? extends UniqueEvent>> map = UUID_LISTENERS.get(clazz);
-            if (map != null) {
-                Consumer<UniqueEvent> listener =
-                        (Consumer<UniqueEvent>) map.remove(snowflakeEvent.getIdentifier());
-                if (listener != null) {
-                    try {
-                        listener.accept(snowflakeEvent);
-                    } catch (Throwable ignored) {
-                    }
-                }
-            }
-        }
-    }
-
-    // ------------------------------------------------------------------------
-    // Lifecycle
-    // ------------------------------------------------------------------------
-    public static void shutdown() {
-        DISRUPTOR.shutdown();
-        LISTENERS.clear();
-        UUID_LISTENERS.clear();
-    }
-
-    public static void reset() {
-        LISTENERS.clear();
-        UUID_LISTENERS.clear();
-    }
-
-    public static Map<Class<?>, CopyOnWriteArrayList<ListenerHandler<?>>> getAllListeners() {
-        return LISTENERS;
+    @Override
+    public void reset() {
+        INSTANCE.reset();
     }
 }

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

@@ -1,48 +0,0 @@
-package org.toop.framework.eventbus;
-
-import org.toop.framework.SnowflakeGenerator;
-import org.toop.framework.eventbus.events.EventType;
-
-import java.util.function.Consumer;
-
-public class ListenerHandler<T extends EventType> {
-    private final long id;
-    private final String name;
-    private final Class<T> clazz;
-    private final Consumer<T> listener;
-
-    public ListenerHandler(long id, String name, Class<T> clazz, Consumer<T> listener) {
-        this.id = id;
-        this.name = name;
-        this.clazz = clazz;
-        this.listener = listener;
-    }
-
-    public ListenerHandler(String name, Class<T> clazz, Consumer<T> listener) {
-        this(SnowflakeGenerator.nextId(), name, clazz, listener);
-    }
-
-    public ListenerHandler(long id, Class<T> clazz, Consumer<T> listener) {
-        this(id, String.valueOf(id), clazz, listener);
-    }
-
-    public ListenerHandler(Class<T> clazz, Consumer<T> listener) {
-        this(SnowflakeGenerator.nextId(), clazz, listener);
-    }
-
-    public long getId() {
-        return id;
-    }
-
-    public Consumer<T> getListener() {
-        return listener;
-    }
-
-    public Class<T> getListenerClass() {
-        return clazz;
-    }
-
-    public String getName() {
-        return name;
-    }
-}

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

@@ -0,0 +1,53 @@
+package org.toop.framework.eventbus.bus;
+
+import org.apache.logging.log4j.Logger;
+import org.toop.framework.eventbus.events.EventType;
+import org.toop.framework.eventbus.store.SubscriberStore;
+import org.toop.framework.eventbus.subscriber.Subscriber;
+
+import java.util.function.Consumer;
+
+public class DefaultEventBus implements EventBus {
+    private final Logger logger;
+    private final SubscriberStore eventsHolder;
+
+    public DefaultEventBus(Logger logger, SubscriberStore eventsHolder) {
+        this.logger = logger;
+        this.eventsHolder = eventsHolder;
+    }
+
+    @Override
+    public void subscribe(Subscriber<?, ?> subscriber) {
+        eventsHolder.add(subscriber);
+    }
+
+    @Override
+    public void unsubscribe(Subscriber<?, ?> subscriber) {
+        eventsHolder.remove(subscriber);
+    }
+
+    @Override
+    @SuppressWarnings("unchecked")
+    public <T> void post(T event) {
+        Class<T> eventType = (Class<T>) event.getClass();
+        var subs = eventsHolder.get(eventType);
+        if (subs != null) {
+            for (Subscriber<?, ?> subscriber : subs) {
+                Class<T> eventClass = (Class<T>) subscriber.event();
+                Consumer<EventType> action = (Consumer<EventType>) subscriber.handler();
+
+                action.accept((EventType) eventClass.cast(event));
+            }
+        }
+    }
+
+    @Override
+    public void shutdown() {
+        eventsHolder.reset();
+    }
+
+    @Override
+    public void reset() {
+        eventsHolder.reset();
+    }
+}

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

@@ -0,0 +1,117 @@
+package org.toop.framework.eventbus.bus;
+
+import com.lmax.disruptor.BusySpinWaitStrategy;
+import com.lmax.disruptor.RingBuffer;
+import com.lmax.disruptor.dsl.Disruptor;
+import com.lmax.disruptor.dsl.ProducerType;
+import org.apache.logging.log4j.Logger;
+import org.toop.framework.eventbus.subscriber.Subscriber;
+import org.toop.framework.eventbus.events.EventType;
+import org.toop.framework.eventbus.store.SubscriberStore;
+
+import java.util.concurrent.ThreadFactory;
+import java.util.function.Consumer;
+
+public class DisruptorEventBus implements EventBus {
+    /** Wrapper used inside the ring buffer. */
+    private static class EventHolder<T> {
+        T event;
+    }
+
+    private final Logger logger;
+    private final SubscriberStore eventsHolder;
+
+    private final Disruptor<EventHolder<?>> disruptor;
+    private final RingBuffer<EventHolder<?>> ringBuffer;
+
+    public DisruptorEventBus(Logger logger, SubscriberStore eventsHolder) {
+        this.logger = logger;
+        this.eventsHolder = eventsHolder;
+
+        ThreadFactory threadFactory =
+                r -> {
+                    Thread t = new Thread(r, "EventBus-Disruptor");
+                    t.setDaemon(true);
+                    return t;
+                };
+
+        disruptor = getEventHolderDisruptor(threadFactory);
+
+        disruptor.start();
+        this.ringBuffer = disruptor.getRingBuffer();
+    }
+
+    private Disruptor<EventHolder<?>> getEventHolderDisruptor(ThreadFactory threadFactory) {
+        int RING_BUFFER_SIZE = 1024 * 64;
+        Disruptor<EventHolder<?>> disruptor = new Disruptor<>(
+                EventHolder::new,
+                RING_BUFFER_SIZE,
+                threadFactory,
+                ProducerType.MULTI,
+                new BusySpinWaitStrategy());
+
+        disruptor.handleEventsWith(
+                (holder, _, _) -> {
+                    if (holder.event != null) {
+                        dispatchEvent(holder.event);
+                        holder.event = null;
+                    }
+                });
+        return disruptor;
+    }
+
+    @Override
+    public void subscribe(Subscriber<?, ?> listener) {
+        eventsHolder.add(listener);
+    }
+
+    @Override
+    public void unsubscribe(Subscriber<?, ?> listener) {
+        eventsHolder.remove(listener);
+    }
+
+    @Override
+    public <T> void post(T event) {
+        long seq = ringBuffer.next();
+        try {
+            @SuppressWarnings("unchecked")
+            EventHolder<T> holder = (EventHolder<T>) ringBuffer.get(seq);
+            holder.event = event;
+        } finally {
+            ringBuffer.publish(seq);
+        }
+    }
+
+    @Override
+    public void shutdown() {
+        disruptor.shutdown();
+        eventsHolder.reset();
+    }
+
+    @Override
+    public void reset() {
+        eventsHolder.reset();
+    }
+
+    private <T> void dispatchEvent(T event) {
+        var classListeners = eventsHolder.get(event.getClass());
+        if (classListeners != null) {
+            for (Subscriber<?, ?> listener : classListeners) {
+                try {
+                    callListener(listener, event);
+                } catch (Throwable e) {
+                    logger.warn("Exception while handling event: {}", event, e);
+                }
+            }
+        }
+    }
+
+
+    @SuppressWarnings("unchecked")
+    private <T> void callListener(Subscriber<?, ?> subscriber, T event) {
+        Class<T> eventClass = (Class<T>) subscriber.event();
+        Consumer<EventType> action = (Consumer<EventType>) subscriber.handler();
+
+        action.accept((EventType) eventClass.cast(event));
+    }
+}

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

@@ -0,0 +1,11 @@
+package org.toop.framework.eventbus.bus;
+
+import org.toop.framework.eventbus.subscriber.Subscriber;
+
+public interface EventBus {
+    void subscribe(Subscriber<?, ?> subscriber);
+    void unsubscribe(Subscriber<?, ?> subscriber);
+    <T> void post(T event);
+    void shutdown();
+    void reset();
+}

framework/src/main/java/org/toop/framework/eventbus/store/AsyncSubscriberStore.java

@@ -0,0 +1,46 @@
+package org.toop.framework.eventbus.store;
+
+import org.toop.framework.eventbus.subscriber.Subscriber;
+
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentLinkedQueue;
+
+public class AsyncSubscriberStore implements SubscriberStore {
+    private final ConcurrentHashMap<Class<?>, ConcurrentLinkedQueue<Subscriber<?, ?>>> queues = new ConcurrentHashMap<>();
+    private final ConcurrentHashMap<Class<?>, Subscriber<?, ?>[]> snapshots = new ConcurrentHashMap<>();
+
+    @Override
+    public void add(Subscriber<?, ?> sub) {
+        queues.computeIfAbsent(sub.event(), _ -> new ConcurrentLinkedQueue<>()).add(sub);
+        rebuildSnapshot(sub.event());
+    }
+
+    @Override
+    public void remove(Subscriber<?, ?> sub) {
+        ConcurrentLinkedQueue<Subscriber<?, ?>> queue = queues.get(sub.event());
+        if (queue != null) {
+            queue.remove(sub);
+            rebuildSnapshot(sub.event());
+        }
+    }
+
+    @Override
+    public Subscriber<?, ?>[] get(Class<?> event) {
+        return snapshots.getOrDefault(event, new Subscriber[0]);
+    }
+
+    @Override
+    public void reset() {
+        queues.clear();
+        snapshots.clear();
+    }
+
+    private void rebuildSnapshot(Class<?> event) {
+        ConcurrentLinkedQueue<Subscriber<?, ?>> queue = queues.get(event);
+        if (queue != null) {
+            snapshots.put(event, queue.toArray(new Subscriber[0]));
+        } else {
+            snapshots.put(event, new Subscriber[0]);
+        }
+    }
+}

framework/src/main/java/org/toop/framework/eventbus/store/DefaultSubscriberStore.java

@@ -0,0 +1,71 @@
+package org.toop.framework.eventbus.store;
+
+import org.toop.framework.eventbus.subscriber.Subscriber;
+
+import java.util.concurrent.ConcurrentHashMap;
+
+public class DefaultSubscriberStore implements SubscriberStore {
+
+    private static final Subscriber<?, ?>[] EMPTY = new Subscriber[0];
+
+    private final ConcurrentHashMap<Class<?>, Subscriber<?, ?>[]> listeners =
+            new ConcurrentHashMap<>();
+
+    @Override
+    public void add(Subscriber<?, ?> sub) {
+        listeners.compute(sub.event(), (_, arr) -> {
+            if (arr == null || arr.length == 0) {
+                return new Subscriber<?, ?>[]{sub};
+            }
+
+            int len = arr.length;
+            Subscriber<?, ?>[] newArr = new Subscriber[len + 1];
+            System.arraycopy(arr, 0, newArr, 0, len);
+            newArr[len] = sub;
+            return newArr;
+        });
+    }
+
+    @Override
+    public void remove(Subscriber<?, ?> sub) {
+        listeners.computeIfPresent(sub.event(), (_, arr) -> {
+            int len = arr.length;
+
+            if (len == 1) {
+                return arr[0].equals(sub) ? null : arr;
+            }
+
+            int keep = 0;
+            for (Subscriber<?, ?> s : arr) {
+                if (!s.equals(sub)) keep++;
+            }
+
+            if (keep == len) {
+                return arr;
+            }
+            if (keep == 0) {
+                return null;
+            }
+
+            Subscriber<?, ?>[] newArr = new Subscriber[keep];
+            int i = 0;
+            for (Subscriber<?, ?> s : arr) {
+                if (!s.equals(sub)) {
+                    newArr[i++] = s;
+                }
+            }
+
+            return newArr;
+        });
+    }
+
+    @Override
+    public Subscriber<?, ?>[] get(Class<?> event) {
+        return listeners.getOrDefault(event, EMPTY);
+    }
+
+    @Override
+    public void reset() {
+        listeners.clear();
+    }
+}

framework/src/main/java/org/toop/framework/eventbus/store/SubscriberStore.java

@@ -0,0 +1,10 @@
+package org.toop.framework.eventbus.store;
+
+import org.toop.framework.eventbus.subscriber.Subscriber;
+
+public interface SubscriberStore {
+    void add(Subscriber<?, ?> subscriber);
+    void remove(Subscriber<?, ?> subscriber);
+    Subscriber<?, ?>[] get(Class<?> event);
+    void reset();
+}

framework/src/main/java/org/toop/framework/eventbus/store/SyncSubscriberStore.java

@@ -0,0 +1,36 @@
+package org.toop.framework.eventbus.store;
+
+import org.toop.framework.eventbus.subscriber.Subscriber;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+public class SyncSubscriberStore implements SubscriberStore {
+    private final Map<Class<?>, List<Subscriber<?, ?>>> LISTENERS = new ConcurrentHashMap<>();
+    private static final Subscriber<?, ?>[] EMPTY = new Subscriber[0];
+
+    @Override
+    public void add(Subscriber<?, ?> sub) {
+        LISTENERS.computeIfAbsent(sub.event(), _ -> new ArrayList<>()).add(sub);
+    }
+
+    @Override
+    public void remove(Subscriber<?, ?> sub) {
+        LISTENERS.getOrDefault(sub.event(), new ArrayList<>()).remove(sub);
+        LISTENERS.entrySet().removeIf(entry -> entry.getValue().isEmpty());
+    }
+
+    @Override
+    public Subscriber<?, ?>[] get(Class<?> event) {
+        List<Subscriber<?, ?>> list = LISTENERS.get(event);
+        if (list == null || list.isEmpty()) return EMPTY;
+        return list.toArray(EMPTY);
+    }
+
+    @Override
+    public void reset() {
+        LISTENERS.clear();
+    }
+}

framework/src/main/java/org/toop/framework/eventbus/subscriber/DefaultSubscriber.java

@@ -0,0 +1,5 @@
+package org.toop.framework.eventbus.subscriber;
+
+import java.util.function.Consumer;
+
+public record DefaultSubscriber<K>(String id, Class<K> event, Consumer<K> handler) implements NamedSubscriber<K> {}

framework/src/main/java/org/toop/framework/eventbus/subscriber/IdSubscriber.java

@@ -0,0 +1,3 @@
+package org.toop.framework.eventbus.subscriber;
+
+public interface IdSubscriber<T> extends Subscriber<Long, T> {}

framework/src/main/java/org/toop/framework/eventbus/subscriber/LongIdSubscriber.java

@@ -0,0 +1,5 @@
+package org.toop.framework.eventbus.subscriber;
+
+import java.util.function.Consumer;
+
+public record LongIdSubscriber<K>(Long id, Class<K> event, Consumer<K> handler) implements IdSubscriber<K> {}

framework/src/main/java/org/toop/framework/eventbus/subscriber/NamedSubscriber.java

@@ -0,0 +1,3 @@
+package org.toop.framework.eventbus.subscriber;
+
+public interface NamedSubscriber<T> extends Subscriber<String, T> {}

framework/src/main/java/org/toop/framework/eventbus/subscriber/Subscriber.java

@@ -0,0 +1,9 @@
+package org.toop.framework.eventbus.subscriber;
+
+import java.util.function.Consumer;
+
+public interface Subscriber<ID, K> {
+    ID id();
+    Class<K> event();
+    Consumer<K> handler();
+}

framework/src/main/java/org/toop/framework/gameFramework/model/game/threadBehaviour/AbstractThreadBehaviour.java

@@ -3,7 +3,6 @@ package org.toop.framework.gameFramework.model.game.threadBehaviour;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.toop.framework.gameFramework.model.game.TurnBasedGame;
-import org.toop.framework.gameFramework.model.player.Player;
 
 import java.util.concurrent.atomic.AtomicBoolean;
 

framework/src/main/java/org/toop/framework/gameFramework/model/game/threadBehaviour/ThreadBehaviour.java

@@ -1,8 +1,6 @@
 package org.toop.framework.gameFramework.model.game.threadBehaviour;
 
 import org.toop.framework.gameFramework.model.game.TurnBasedGame;
-import org.toop.framework.gameFramework.model.player.AbstractPlayer;
-import org.toop.framework.gameFramework.model.player.Player;
 
 /**
  * Strategy interface for controlling game thread behavior.

framework/src/main/java/org/toop/framework/networking/NetworkingClientEventListener.java

@@ -4,19 +4,20 @@ import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.toop.framework.SnowflakeGenerator;
 import org.toop.framework.eventbus.EventFlow;
+import org.toop.framework.eventbus.bus.EventBus;
 import org.toop.framework.networking.events.NetworkEvents;
 import org.toop.framework.networking.exceptions.ClientNotFoundException;
 import org.toop.framework.networking.interfaces.NetworkingClientManager;
 
 public class NetworkingClientEventListener {
-
     private static final Logger logger = LogManager.getLogger(NetworkingClientEventListener.class);
+
     private final NetworkingClientManager clientManager;
 
     /** Starts a connection manager, to manage, connections. */
-    public NetworkingClientEventListener(NetworkingClientManager clientManager) {
+    public NetworkingClientEventListener(EventBus eventBus, NetworkingClientManager clientManager) {
         this.clientManager = clientManager;
-        new EventFlow()
+        new EventFlow(eventBus)
                 .listen(NetworkEvents.StartClient.class, this::handleStartClient, false)
                 .listen(NetworkEvents.SendCommand.class, this::handleCommand, false)
                 .listen(NetworkEvents.SendLogin.class, this::handleSendLogin, false)
@@ -40,6 +41,7 @@ public class NetworkingClientEventListener {
 
     void handleStartClient(NetworkEvents.StartClient event) {
         long clientId = SnowflakeGenerator.nextId();
+        new EventFlow().addPostEvent(new NetworkEvents.CreatedIdForClient(clientId, event.identifier())).postEvent();
         clientManager.startClient(
                 clientId,
                 event.networkingClient(),

framework/src/main/java/org/toop/framework/networking/NetworkingClientManager.java

@@ -8,7 +8,8 @@ import java.util.concurrent.TimeUnit;
 
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
-import org.toop.framework.eventbus.GlobalEventBus;
+import org.toop.framework.eventbus.EventFlow;
+import org.toop.framework.eventbus.bus.EventBus;
 import org.toop.framework.networking.events.NetworkEvents;
 import org.toop.framework.networking.exceptions.ClientNotFoundException;
 import org.toop.framework.networking.exceptions.CouldNotConnectException;
@@ -17,9 +18,13 @@ import org.toop.framework.networking.types.NetworkingConnector;
 
 public class NetworkingClientManager implements org.toop.framework.networking.interfaces.NetworkingClientManager {
     private static final Logger logger = LogManager.getLogger(NetworkingClientManager.class);
+
+    private final EventBus eventBus;
     private final Map<Long, NetworkingClient> networkClients = new ConcurrentHashMap<>();
 
-    public NetworkingClientManager() {}
+    public NetworkingClientManager(EventBus eventBus) {
+        this.eventBus = eventBus;
+    }
 
     private void connectHelper(
             long id,
@@ -28,8 +33,16 @@ public class NetworkingClientManager implements org.toop.framework.networking.in
             Runnable onSuccess,
             Runnable onFailure
     ) {
+
         ScheduledExecutorService scheduler = Executors.newSingleThreadScheduledExecutor();
 
+        EventFlow closeEvent = new EventFlow()
+                .listen(
+                    NetworkEvents.CloseClient.class,
+                    e -> {
+                            if (e.clientId() == id) scheduler.shutdownNow();
+                        }, "close");
+
         Runnable connectTask = new Runnable() {
             int attempts = 0;
 
@@ -46,7 +59,7 @@ public class NetworkingClientManager implements org.toop.framework.networking.in
                     nClient.connect(id, nConnector.host(), nConnector.port());
                     networkClients.put(id, nClient);
                     logger.info("New client started successfully for {}:{}", nConnector.host(), nConnector.port());
-                    GlobalEventBus.post(new NetworkEvents.ConnectTry(id, attempts, nConnector.reconnectAttempts(), true));
+                    eventBus.post(new NetworkEvents.ConnectTry(id, attempts, nConnector.reconnectAttempts(), true));
                     onSuccess.run();
                     scheduler.shutdown();
                 } catch (CouldNotConnectException e) {
@@ -54,17 +67,17 @@ public class NetworkingClientManager implements org.toop.framework.networking.in
                     if (attempts < nConnector.reconnectAttempts()) {
                         logger.warn("Could not connect to {}:{}. Retrying in {} {}",
                                 nConnector.host(), nConnector.port(), nConnector.timeout(), nConnector.timeUnit());
-                        GlobalEventBus.post(new NetworkEvents.ConnectTry(id, attempts, nConnector.reconnectAttempts(), false));
+                        eventBus.post(new NetworkEvents.ConnectTry(id, attempts, nConnector.reconnectAttempts(), false));
                         scheduler.schedule(this, nConnector.timeout(), nConnector.timeUnit());
                     } else {
                         logger.error("Failed to start client for {}:{} after {} attempts", nConnector.host(), nConnector.port(), attempts);
-                        GlobalEventBus.post(new NetworkEvents.ConnectTry(id, -1, nConnector.reconnectAttempts(), false));
+                        eventBus.post(new NetworkEvents.ConnectTry(id, -1, nConnector.reconnectAttempts(), false));
                         onFailure.run();
                         scheduler.shutdown();
                     }
                 } catch (Exception e) {
                     logger.error("Unexpected exception during startClient", e);
-                    GlobalEventBus.post(new NetworkEvents.ConnectTry(id, -1, nConnector.reconnectAttempts(), false));
+                    eventBus.post(new NetworkEvents.ConnectTry(id, -1, nConnector.reconnectAttempts(), false));
                     onFailure.run();
                     scheduler.shutdown();
                 }
@@ -72,6 +85,8 @@ public class NetworkingClientManager implements org.toop.framework.networking.in
         };
 
         scheduler.schedule(connectTask, 0, TimeUnit.MILLISECONDS);
+//
+//        closeEvent.unsubscribe("close");
     }
 
     @Override

framework/src/main/java/org/toop/framework/networking/clients/TournamentNetworkingClient.java

@@ -11,6 +11,7 @@ import io.netty.handler.codec.string.StringEncoder;
 import io.netty.util.CharsetUtil;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
+import org.toop.framework.eventbus.bus.EventBus;
 import org.toop.framework.networking.exceptions.CouldNotConnectException;
 import org.toop.framework.networking.handlers.NetworkingGameClientHandler;
 import org.toop.framework.networking.interfaces.NetworkingClient;
@@ -19,9 +20,13 @@ import java.net.InetSocketAddress;
 
 public class TournamentNetworkingClient implements NetworkingClient {
     private static final Logger logger = LogManager.getLogger(TournamentNetworkingClient.class);
+
+    private final EventBus eventBus;
     private Channel channel;
 
-    public TournamentNetworkingClient() {}
+    public TournamentNetworkingClient(EventBus eventBus) {
+        this.eventBus = eventBus;
+    }
 
     @Override
     public InetSocketAddress getAddress() {
@@ -40,7 +45,7 @@ public class TournamentNetworkingClient implements NetworkingClient {
                     new ChannelInitializer<SocketChannel>() {
                         @Override
                         public void initChannel(SocketChannel ch) {
-                            NetworkingGameClientHandler handler = new NetworkingGameClientHandler(clientId);
+                            NetworkingGameClientHandler handler = new NetworkingGameClientHandler(eventBus, clientId);
 
                             ChannelPipeline pipeline = ch.pipeline();
                             pipeline.addLast(new LineBasedFrameDecoder(1024)); // split at \n

framework/src/main/java/org/toop/framework/networking/events/NetworkEvents.java

@@ -4,6 +4,7 @@ import java.util.*;
 import java.util.concurrent.CompletableFuture;
 
 import org.toop.annotations.AutoResponseResult;
+import org.toop.framework.eventbus.GlobalEventBus;
 import org.toop.framework.eventbus.events.*;
 import org.toop.framework.networking.interfaces.NetworkingClient;
 import org.toop.framework.networking.types.NetworkingConnector;
@@ -11,7 +12,7 @@ import org.toop.framework.networking.types.NetworkingConnector;
 /**
  * Defines all event types related to the networking subsystem.
  * <p>
- * These events are used in conjunction with the {@link org.toop.framework.eventbus.GlobalEventBus}
+ * These events are used in conjunction with the {@link GlobalEventBus}
  * and {@link org.toop.framework.eventbus.EventFlow} to communicate between components
  * such as networking clients, managers, and listeners.
  * </p>
@@ -166,6 +167,10 @@ public class NetworkEvents extends EventsBase {
             long identifier)
             implements UniqueEvent {}
 
+    public record CreatedIdForClient(long clientId, long identifier) implements ResponseToUniqueEvent {}
+
+    public record ConnectTry(long clientId, int amount, int maxAmount, boolean success) implements GenericEvent {}
+
     /**
      * Response confirming that a client has been successfully started.
      * <p>
@@ -181,8 +186,6 @@ public class NetworkEvents extends EventsBase {
     public record StartClientResponse(long clientId, boolean successful, long identifier)
             implements ResponseToUniqueEvent {}
 
-    public record ConnectTry(long clientId, int amount, int maxAmount, boolean success) implements GenericEvent {}
-
     /**
      * Requests reconnection of an existing client using its previous configuration.
      * <p>

framework/src/main/java/org/toop/framework/networking/handlers/NetworkingGameClientHandler.java

@@ -8,15 +8,17 @@ import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
-import org.toop.framework.eventbus.EventFlow;
+import org.toop.framework.eventbus.bus.EventBus;
 import org.toop.framework.networking.events.NetworkEvents;
 
 public class NetworkingGameClientHandler extends ChannelInboundHandlerAdapter {
     private static final Logger logger = LogManager.getLogger(NetworkingGameClientHandler.class);
 
+    private final EventBus eventBus;
     private final long connectionId;
 
-    public NetworkingGameClientHandler(long connectionId) {
+    public NetworkingGameClientHandler(EventBus eventBus, long connectionId) {
+        this.eventBus = eventBus;
         this.connectionId = connectionId;
     }
 
@@ -40,9 +42,7 @@ public class NetworkingGameClientHandler extends ChannelInboundHandlerAdapter {
                     "Received SVR message from server-{}, data: {}",
                     ctx.channel().remoteAddress(),
                     msg);
-            new EventFlow()
-                    .addPostEvent(new NetworkEvents.ServerResponse(this.connectionId))
-                    .asyncPostEvent();
+            eventBus.post(new NetworkEvents.ServerResponse(this.connectionId));
             parseServerReturn(rec);
             return;
         }
@@ -113,11 +113,7 @@ public class NetworkingGameClientHandler extends ChannelInboundHandlerAdapter {
                         .map(m -> m.group(1).trim())
                         .toArray(String[]::new);
 
-        new EventFlow()
-                .addPostEvent(
-                        new NetworkEvents.GameMoveResponse(
-                                this.connectionId, msg[0], msg[1], msg[2]))
-                .asyncPostEvent();
+        eventBus.post(new NetworkEvents.GameMoveResponse(this.connectionId, msg[0], msg[1], msg[2]));
     }
 
     private void gameWinConditionHandler(String rec) {
@@ -128,9 +124,7 @@ public class NetworkingGameClientHandler extends ChannelInboundHandlerAdapter {
                 .findFirst()
                 .orElse("");
 
-        new EventFlow()
-                .addPostEvent(new NetworkEvents.GameResultResponse(this.connectionId, condition))
-                .asyncPostEvent();
+        eventBus.post(new NetworkEvents.GameResultResponse(this.connectionId, condition));
     }
 
     private void gameChallengeHandler(String rec) {
@@ -145,17 +139,9 @@ public class NetworkingGameClientHandler extends ChannelInboundHandlerAdapter {
                             .toArray(String[]::new);
 
             if (isCancelled)
-                new EventFlow()
-                        .addPostEvent(
-                                new NetworkEvents.ChallengeCancelledResponse(
-                                        this.connectionId, msg[0]))
-                        .asyncPostEvent();
+                eventBus.post(new NetworkEvents.GameResultResponse(this.connectionId, msg[0]));
             else
-                new EventFlow()
-                        .addPostEvent(
-                                new NetworkEvents.ChallengeResponse(
-                                        this.connectionId, msg[0], msg[1], msg[2]))
-                        .asyncPostEvent();
+                eventBus.post(new NetworkEvents.ChallengeResponse(this.connectionId, msg[0], msg[1], msg[2]));
         } catch (ArrayIndexOutOfBoundsException e) {
             logger.error("Array out of bounds for: {}", rec, e);
         }
@@ -171,11 +157,7 @@ public class NetworkingGameClientHandler extends ChannelInboundHandlerAdapter {
                             .toArray(String[]::new);
 
             // [0] playerToMove, [1] gameType, [2] opponent
-            new EventFlow()
-                    .addPostEvent(
-                            new NetworkEvents.GameMatchResponse(
-                                    this.connectionId, msg[0], msg[1], msg[2]))
-                    .asyncPostEvent();
+            eventBus.post(new NetworkEvents.GameMatchResponse(this.connectionId, msg[0], msg[1], msg[2]));
         } catch (ArrayIndexOutOfBoundsException e) {
             logger.error("Array out of bounds for: {}", rec, e);
         }
@@ -190,9 +172,7 @@ public class NetworkingGameClientHandler extends ChannelInboundHandlerAdapter {
                         .toString()
                         .trim();
 
-        new EventFlow()
-                .addPostEvent(new NetworkEvents.YourTurnResponse(this.connectionId, msg))
-                .asyncPostEvent();
+        eventBus.post(new NetworkEvents.YourTurnResponse(this.connectionId, msg));
     }
 
     private void playerlistHandler(String rec) {
@@ -203,9 +183,7 @@ public class NetworkingGameClientHandler extends ChannelInboundHandlerAdapter {
                         .map(m -> m.group(1).trim())
                         .toArray(String[]::new);
 
-        new EventFlow()
-                .addPostEvent(new NetworkEvents.PlayerlistResponse(this.connectionId, players))
-                .asyncPostEvent();
+        eventBus.post(new NetworkEvents.PlayerlistResponse(this.connectionId, players));
     }
 
     private void gamelistHandler(String rec) {
@@ -216,9 +194,7 @@ public class NetworkingGameClientHandler extends ChannelInboundHandlerAdapter {
                         .map(m -> m.group(1).trim())
                         .toArray(String[]::new);
 
-        new EventFlow()
-                .addPostEvent(new NetworkEvents.GamelistResponse(this.connectionId, gameTypes))
-                .asyncPostEvent();
+        eventBus.post(new NetworkEvents.GamelistResponse(this.connectionId, gameTypes));
     }
 
     private void helpHandler(String rec) {

framework/src/main/java/org/toop/framework/resource/ResourceManager.java

@@ -92,11 +92,6 @@ public class ResourceManager {
         return asset.getResource();
     }
 
-    //    @SuppressWarnings("unchecked")
-    //    public static <T extends BaseResource> ArrayList<ResourceMeta<T>> getAllOfType() {
-    //        return (ArrayList<ResourceMeta<T>>) (ArrayList<?>) new ArrayList<>(assets.values());
-    //    }
-
     /**
      * Retrieve all assets of a specific resource type.
      *

framework/src/main/java/org/toop/framework/resource/resources/LocalizationAsset.java

@@ -147,24 +147,6 @@ public class LocalizationAsset extends BaseResource implements LoadableResource,
         return this.baseName;
     }
 
-    //    /**
-    //     * Extracts the base name from a file name.
-    //     *
-    //     * @param fileName the file name
-    //     * @return base name without locale or extension
-    //     */
-    //    private String getBaseName(String fileName) {
-    //        int dotIndex = fileName.lastIndexOf('.');
-    //        String nameWithoutExtension = (dotIndex > 0) ? fileName.substring(0, dotIndex) :
-    // fileName;
-    //
-    //        int underscoreIndex = nameWithoutExtension.indexOf('_');
-    //        if (underscoreIndex > 0) {
-    //            return nameWithoutExtension.substring(0, underscoreIndex);
-    //        }
-    //        return nameWithoutExtension;
-    //    }
-
     /**
      * Extracts a locale from a file name based on the pattern "base_LOCALE.properties".
      *

framework/src/main/java/org/toop/framework/resource/types/BundledResource.java

@@ -69,9 +69,4 @@ public interface BundledResource {
      * @return the base name used to identify this bundled resource
      */
     String getBaseName();
-
-    //    /**
-    //    Returns the name
-    //    */
-    //    String getDefaultName();
 }

framework/src/test/java/org/toop/framework/audio/MusicManagerTest.java

@@ -3,6 +3,7 @@ package org.toop.framework.audio;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.toop.framework.dispatch.interfaces.Dispatcher;
+import org.toop.framework.eventbus.GlobalEventBus;
 import org.toop.framework.resource.resources.BaseResource;
 import org.toop.framework.resource.types.AudioResource;
 
@@ -94,7 +95,7 @@ public class MusicManagerTest {
 
         List<MockAudioResource> resources = List.of(track1, track2, track3);
 
-        manager = new MusicManager<>(resources, dispatcher);
+        manager = new MusicManager<>(GlobalEventBus.get(), resources, dispatcher);
     }
 
     @Test
@@ -188,7 +189,7 @@ public class MusicManagerTest {
             manyTracks.add(new MockAudioResource("track" + i));
         }
 
-        MusicManager<MockAudioResource> multiManager = new MusicManager<>(manyTracks, dispatcher);
+        MusicManager<MockAudioResource> multiManager = new MusicManager<>(GlobalEventBus.get(), manyTracks, dispatcher);
 
         for (int i = 0; i < manyTracks.size() - 1; i++) {
             multiManager.play();

framework/src/test/java/org/toop/framework/eventbus/EventFlowStressTest.java

@@ -79,7 +79,7 @@
             executor.submit(() -> {
                 for (int i = 0; i < EVENTS_PER_THREAD; i++) {
                     var _ = new EventFlow().addPostEvent(HeavyEvent.class, "payload-" + i)
-                            .asyncPostEvent();
+                            .postEvent();
                 }
             });
         }

game/src/main/java/org/toop/game/games/reversi/ReversiR.java

@@ -25,10 +25,10 @@ public final class ReversiR extends AbstractGame<ReversiR> {
     // TODO: Don't hardcore for two players :)
     public record Score(int player1Score, int player2Score) {}
 
-	public ReversiR(Player<ReversiR>[] players) {
-		super(8, 8, 2, players);
+    public ReversiR(Player<ReversiR>[] players) {
+        super(8, 8, 2, players);
         addStartPieces();
-	}
+    }
 
     public ReversiR(ReversiR other) {
         super(other);
@@ -53,8 +53,8 @@ public final class ReversiR extends AbstractGame<ReversiR> {
         }
     }
 
-	@Override
-	public int[] getLegalMoves() {
+    @Override
+    public int[] getLegalMoves() {
         final ArrayList<Integer> legalMoves = new ArrayList<>();
         int[][] boardGrid = makeBoardAGrid();
         int currentPlayer = this.getCurrentTurn();
@@ -67,7 +67,7 @@ public final class ReversiR extends AbstractGame<ReversiR> {
             }
         }
         return legalMoves.stream().mapToInt(Integer::intValue).toArray();
-	}
+    }
 
     private Set<Point> getAdjacentCells(int[][] boardGrid) {
         Set<Point> possibleCells = new HashSet<>();
@@ -76,7 +76,7 @@ public final class ReversiR extends AbstractGame<ReversiR> {
                 for (int deltaRow = -1; deltaRow <= 1; deltaRow++){                 //orthogonally and diagonally
                     int newX =  point.x + deltaColumn, newY =  point.y + deltaRow;
                     if (deltaColumn == 0 && deltaRow == 0                           //continue if out of bounds
-                    || !isOnBoard(newX, newY)) {
+                            || !isOnBoard(newX, newY)) {
                         continue;
                     }
                     if (boardGrid[newY][newX] == EMPTY) {                           //check if the cell is empty

game/src/main/java/org/toop/game/games/tictactoe/TicTacToeAIR.java

@@ -13,7 +13,7 @@ import org.toop.framework.gameFramework.GameState;
  * opening or when no clear best move is found.
  * </p>
  */
-public final class TicTacToeAIR extends AbstractAI<TicTacToeR> {
+public class TicTacToeAIR extends AbstractAI<TicTacToeR> {
 
     /**
      * Determines the best move for the given Tic-Tac-Toe game state.
@@ -27,8 +27,14 @@ public final class TicTacToeAIR extends AbstractAI<TicTacToeR> {
      * @param depth the depth of lookahead for evaluating moves (non-negative)
      * @return the index of the best move, or -1 if no moves are available
      */
+
+    private int depth;
+
+    public TicTacToeAIR(int depth) {
+        this.depth = depth;
+    }
+
     public int getMove(TicTacToeR game) {
-        int depth = 9;
         assert game != null;
         final int[] legalMoves = game.getLegalMoves();
 

game/src/main/java/org/toop/game/games/tictactoe/TicTacToeAIRSleep.java

@@ -0,0 +1,25 @@
+package org.toop.game.games.tictactoe;
+
+import java.util.Random;
+
+public class TicTacToeAIRSleep extends TicTacToeAIR {
+
+    private int thinkTime;
+
+    public TicTacToeAIRSleep(int depth, int thinkTime) {
+        super(depth);
+        this.thinkTime = thinkTime;
+    }
+
+    @Override
+    public int getMove(TicTacToeR game) {
+        int score = super.getMove(game);
+        try {
+            Random random = new Random();
+            Thread.sleep(this.thinkTime * 1000L +  random.nextInt(1000));
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return score;
+    }
+}

game/src/test/java/org/toop/game/tictactoe/TicTacToeAIRTest.java

@@ -10,7 +10,7 @@ import static org.junit.jupiter.api.Assertions.*;
 
 final class TicTacToeAIRTest {
 
-    private final TicTacToeAIR ai = new TicTacToeAIR();
+    private final TicTacToeAIR ai = new TicTacToeAIR(9);
 
     // Helper: play multiple moves in sequence on a fresh board
     private TicTacToeR playSequence(int... moves) {