refactored a lot and added possibility to play games on DedicatedServer (#43)

Arduino/nfcReader/nfcReader.ino

@@ -17,6 +17,9 @@ void setup(void) {
   }
 
   nfc.SAMConfig();
+
+  // Send a marker string to identify the device
+  Serial.println("Adafruit PN532 NFC Marker");
 }
 
 void loop(void) {

Backend/pom.xml

@@ -66,7 +66,7 @@
         <configuration>
           <archive>
             <manifest>
-              <mainClass>org.schafkopf.BackendServer</mainClass>
+              <mainClass>org.schafkopf.DedicatedServer</mainClass>
             </manifest>
           </archive>
         </configuration>

Backend/schafkopf-client/src/main/java/org/schafkopf/BackendServer.java

@@ -1,6 +1,5 @@
 package org.schafkopf;
 
-import com.google.gson.JsonObject;
 import com.sun.net.httpserver.HttpExchange;
 import com.sun.net.httpserver.HttpHandler;
 import com.sun.net.httpserver.HttpServer;
@@ -25,9 +24,12 @@ import org.eclipse.jetty.servlet.ServletContextHandler;
 import org.eclipse.jetty.servlets.CrossOriginFilter;
 import org.eclipse.jetty.websocket.server.config.JettyWebSocketServletContainerInitializer;
 import org.schafkopf.cardreader.UsbCardReader;
+import org.schafkopf.player.BotPlayer;
+import org.schafkopf.player.LocalPlayer;
+import org.schafkopf.player.Player;
 
 /** Main Class that represents the Backend Server. */
-public class BackendServer {
+public class BackendServer implements MessageSender {
   private final Server server;
   private final ServerConnector connector;
   private CountDownLatch nfcLatch = new CountDownLatch(1);
@@ -39,6 +41,8 @@ public class BackendServer {
 
   private final List<FrontendEndpoint> frontendEndpoints = new ArrayList<>();
 
+  private DedicatedServerConnection dedicatedServerConnection;
+
   /** Creates an Instance of the Backend Server. */
   public BackendServer() throws URISyntaxException, IOException {
     server = new Server();
@@ -48,7 +52,9 @@ public class BackendServer {
     connector.setPort(address.getPort());
     server.addConnector(connector);
 
-    schafkopfGame = new Schafkopf(this);
+    schafkopfGame = new Schafkopf(new Player[]{new BotPlayer(), new LocalPlayer(this),
+        new LocalPlayer(this),
+        new LocalPlayer(this)}, this);
 
     new UsbCardReader(this);
 
@@ -86,6 +92,13 @@ public class BackendServer {
     startHttpServer();
     URI uri = new URI("http://localhost:8081"); // Replace with your target URL
     Desktop.getDesktop().browse(uri);
+
+    startDedicatedServerConnectionThread();
+  }
+
+  private void startDedicatedServerConnectionThread() {
+    dedicatedServerConnection = new DedicatedServerConnection(this);
+    dedicatedServerConnection.connect();
   }
 
   private void startHttpServer() {
@@ -147,7 +160,6 @@ public class BackendServer {
   /** The main entrypoint of the Application. */
   public static void main(String[] args) throws Exception {
     BackendServer server = new BackendServer();
-    server.setPort(8080);
     server.start();
     server.join();
   }
@@ -166,10 +178,6 @@ public class BackendServer {
     context.addFilter(cors, "*", types);
   }
 
-  private void setPort(int port) {
-    connector.setPort(port);
-  }
-
   private void start() throws Exception {
     server.start();
   }
@@ -191,23 +199,12 @@ public class BackendServer {
    *
    * @param message Message to send (String).
    */
-  public void sendMessageToAllFrontendEndpoints(String message) {
+  private void sendMessageToAllFrontendEndpoints(String message) {
     for (FrontendEndpoint endpoint : frontendEndpoints) {
       endpoint.sendMessage(message);
     }
   }
 
-  /**
-   * Sends Message to all Frontend Instances.
-   *
-   * @param message Message to send (JsonObject).
-   */
-  public void sendMessageToAllFrontendEndpoints(JsonObject message) {
-    for (FrontendEndpoint endpoint : frontendEndpoints) {
-      endpoint.sendMessage(message.toString());
-    }
-  }
-
   /** method to call to wait for NFC input. */
   public String waitForCardScan() throws InterruptedException {
     this.readingMode = true;
@@ -234,4 +231,13 @@ public class BackendServer {
     this.uidString = uidString;
     nfcLatch.countDown();
   }
+
+  public void startDedicatedServerGame() {
+    dedicatedServerConnection.start();
+  }
+
+  @Override
+  public void sendMessage(String message) {
+    sendMessageToAllFrontendEndpoints(message);
+  }
 }

Backend/schafkopf-client/src/main/java/org/schafkopf/DedicatedServerConnection.java

@@ -0,0 +1,101 @@
+package org.schafkopf;
+
+import java.net.URI;
+import java.util.concurrent.CountDownLatch;
+import org.eclipse.jetty.websocket.api.Session;
+import org.eclipse.jetty.websocket.api.annotations.OnWebSocketClose;
+import org.eclipse.jetty.websocket.api.annotations.OnWebSocketConnect;
+import org.eclipse.jetty.websocket.api.annotations.OnWebSocketError;
+import org.eclipse.jetty.websocket.api.annotations.OnWebSocketMessage;
+import org.eclipse.jetty.websocket.api.annotations.WebSocket;
+import org.eclipse.jetty.websocket.client.ClientUpgradeRequest;
+import org.eclipse.jetty.websocket.client.WebSocketClient;
+
+/** Main Class that represents the Backend Server. */
+@WebSocket
+public class DedicatedServerConnection {
+
+  private final MessageSender messageSender;
+  private final CountDownLatch closeLatch;
+  private static Session session;
+
+  public DedicatedServerConnection(MessageSender messageSender) {
+    this.messageSender = messageSender;
+    this.closeLatch = new CountDownLatch(1);
+  }
+
+  @OnWebSocketConnect
+  public void onConnect(Session session) {
+    this.session = session;
+    System.out.println("Connected to server.");
+  }
+
+  @OnWebSocketMessage
+  public void onMessage(String message) {
+    messageSender.sendMessage(message);
+    System.out.println("Received message from server: " + message);
+  }
+
+  @OnWebSocketClose
+  public void onClose(int statusCode, String reason) {
+    System.out.println("Connection closed: " + reason);
+    closeLatch.countDown();
+  }
+
+  @OnWebSocketError
+  public void onError(Throwable cause) {
+    System.err.println("Error occurred: " + cause.getMessage());
+  }
+
+  /** Main Class that represents the Backend Server. */
+  public static void sendMessage(String message) {
+    try {
+      session.getRemote().sendString(message);
+      System.out.println("Sent message to server: " + message);
+    } catch (Exception e) {
+      System.err.println("Error sending message: " + e.getMessage());
+    }
+  }
+
+  public void awaitClose() throws InterruptedException {
+    closeLatch.await();
+  }
+
+  /** Main Class that represents the Backend Server. */
+  public void connect() {
+    Thread connectionThread = new Thread(() -> {
+      try {
+        String serverUri = "ws://localhost:8085/";
+        WebSocketClient client = new WebSocketClient();
+        try {
+          client.start();
+          //DedicatedServerConnection socketClient = new DedicatedServerConnection();
+          HeartbeatSender heartbeatSender = new HeartbeatSender(this);
+          heartbeatSender.start(); // Start sending heartbeat messages
+          URI uri = new URI(serverUri);
+          ClientUpgradeRequest request = new ClientUpgradeRequest();
+          client.connect(this, uri, request);
+
+          System.out.println("Connecting to : " + uri);
+          this.awaitClose();
+        } catch (Exception e) {
+          System.err.println("Error connecting to server: " + e.getMessage());
+        } finally {
+          try {
+            client.stop();
+          } catch (Exception e) {
+            e.printStackTrace();
+          }
+        }
+      } catch (Exception e) {
+        System.err.println("Error starting dedicated server connection: " + e.getMessage());
+      }
+    });
+    connectionThread.start();
+    start();
+  }
+
+  public static void start() {
+    sendMessage("START_GAME");
+  }
+}

Backend/schafkopf-client/src/main/java/org/schafkopf/FrontendEndpoint.java

@@ -37,17 +37,10 @@ public class FrontendEndpoint extends WebSocketAdapter {
       backendServer.schafkopfGame.stopGame();
     }
 
-    if (message.contains("showtrumpf")) {
+    if (message.contains("startdedicated")) {
-      backendServer.schafkopfGame.showTrumpf();
+      backendServer.startDedicatedServerGame();
     }
 
-    if (message.contains("showfarben")) {
-      backendServer.schafkopfGame.showFarbe();
-    }
-
-    if (message.contains("setgame")) {
-      backendServer.schafkopfGame.setGame(message);
-    }
   }
 
   @Override

Backend/schafkopf-client/src/main/java/org/schafkopf/HeartbeatSender.java

@@ -0,0 +1,26 @@
+package org.schafkopf;
+
+import java.util.Timer;
+import java.util.TimerTask;
+
+/** Creates an Instance of the Backend Server. */
+public class HeartbeatSender {
+  private static final int HEARTBEAT_INTERVAL = 15000; // 1 minute
+
+  private final DedicatedServerConnection client;
+
+  public HeartbeatSender(DedicatedServerConnection client) {
+    this.client = client;
+  }
+
+  /** Creates an Instance of the Backend Server. */
+  public void start() {
+    Timer timer = new Timer();
+    timer.scheduleAtFixedRate(new TimerTask() {
+      @Override
+      public void run() {
+        client.sendMessage("HEARTBEAT SYN"); // Send a heartbeat message
+      }
+    }, HEARTBEAT_INTERVAL, HEARTBEAT_INTERVAL);
+  }
+}

Backend/schafkopf-client/src/main/java/org/schafkopf/cardreader/UsbCardReader.java

@@ -1,6 +1,7 @@
 package org.schafkopf.cardreader;
 
 import com.fazecast.jSerialComm.SerialPort;
+import com.sun.tools.jconsole.JConsoleContext;
 import io.github.cdimascio.dotenv.Dotenv;
 import java.io.UnsupportedEncodingException;
 import org.schafkopf.BackendServer;
@@ -10,7 +11,7 @@ public class UsbCardReader extends CardReader {
 
   private volatile boolean isRunning = true;
   Dotenv dotenv = Dotenv.configure().directory("./").load();
-  private final String comPort = dotenv.get("COM_PORT");
+  private String comPort = null;
 
   /**
    * Creates an Instance of the KartenLeser.
@@ -19,7 +20,6 @@ public class UsbCardReader extends CardReader {
    */
   public UsbCardReader(BackendServer server) {
     super(server);
-
     new Thread(this::run).start();
   }
 
@@ -27,29 +27,46 @@ public class UsbCardReader extends CardReader {
     isRunning = false;
   }
 
-  /** run the reader. */
+  /** Run the reader. */
   public void run() {
-    SerialPort[] ports = SerialPort.getCommPorts();
+    //    SerialPort[] ports = SerialPort.getCommPorts();
-    SerialPort selectedPort = null;
+    //
+    //    for (SerialPort port : ports) {
+    //      if (port.openPort()) {
+    //        System.out.println(port.getSystemPortName());
+    //        try {
+    //          Thread.sleep(5000);
+    //        } catch (InterruptedException e) {
+    //          throw new RuntimeException(e);
+    //        }
+    //        // Read any data available on the serial port
+    //        byte[] initialBuffer = new byte[port.bytesAvailable()];
+    //        int initialBytesRead = port.readBytes(initialBuffer, initialBuffer.length);
+    //        String initialData = null;
+    //        try {
+    //          initialData = new String(initialBuffer, 0, initialBytesRead, "UTF-8").trim();
+    //        } catch (UnsupportedEncodingException e) {
+    //          throw new RuntimeException(e);
+    //        }
+    //        System.out.print("Raw data: ");
+    //        for (byte b : initialBuffer) {
+    //          System.out.print(b + " ");
+    //        }
+    //        System.out.println(initialData);
+    //        if (initialData.contains("Adafruit PN532 NFC Marker")) {
+    //          comPort = port.getSystemPortName();
+    //        }
+    //      }
+    //    }
 
-    for (SerialPort port : ports) {
+    comPort = dotenv.get("COM_PORT");
-      if (port.getSystemPortName().equals(this.comPort)) {
-        selectedPort = port;
-        break;
-      }
-    }
 
-    if (selectedPort == null) {
+    if (comPort == null) {
-      System.out.println(this.comPort + " not found");
+      System.out.println("Adafruit PN532 NFC device not found");
       return;
     }
 
-    if (ports.length == 0) {
+    SerialPort serialPort = SerialPort.getCommPort(comPort);
-      System.out.println("No serial ports found");
-      return;
-    }
-
-    SerialPort serialPort = selectedPort; // You may need to adjust this based on your setup
     serialPort.setBaudRate(115200);
 
     if (serialPort.openPort()) {
@@ -60,8 +77,9 @@ public class UsbCardReader extends CardReader {
           if (serialPort.bytesAvailable() > 0) {
             byte[] buffer = new byte[serialPort.bytesAvailable()];
             int bytesRead = serialPort.readBytes(buffer, buffer.length);
-
             String data = new String(buffer, 0, bytesRead, "UTF-8").trim();
+
+            // Process the received data
             server.nfcGelesen(data);
           }
 

Backend/schafkopf-client/src/main/java/org/schafkopf/player/LocalPlayer.java

@@ -1,8 +1,9 @@
 package org.schafkopf.player;
 
-import org.schafkopf.Schafkopf;
+import org.schafkopf.BackendServer;
 import org.schafkopf.karte.Karte;
 import org.schafkopf.karte.KartenListe;
+import org.schafkopf.karte.KartenUtil;
 import org.schafkopf.spielcontroller.SpielController;
 
 /**
@@ -10,14 +11,35 @@ import org.schafkopf.spielcontroller.SpielController;
  */
 public class LocalPlayer extends Player {
 
-  private final Schafkopf schafkopf;
+  private final BackendServer server;
 
-  public LocalPlayer(Schafkopf schafkopf) {
+  public LocalPlayer(BackendServer server) {
-    this.schafkopf = schafkopf;
+    this.server = server;
   }
 
   @Override
   public Karte play(SpielController spiel, KartenListe tischKarten, KartenListe gespielteKarten) {
-    return schafkopf.wartetAufKarte();
+    return wartetAufKarte();
+  }
+
+  /** Waits for a Card and returns a Karte Object. */
+  private Karte wartetAufKarte() {
+    String uid = null;
+    System.out.println("Starte Warten auf Karte");
+    try {
+      uid = server.waitForCardScan();
+    } catch (InterruptedException e) {
+      throw new RuntimeException(e);
+    }
+
+    Karte karte = KartenUtil.getIdOfUid(uid);
+
+    if (karte == null) {
+      System.out.println("Ungültige Karte");
+      return wartetAufKarte();
+    }
+    System.out.println("Karte gescannt: " + karte.getName());
+    System.out.println("Beende Warten auf Karte");
+    return karte;
   }
 }

Backend/schafkopf-server/pom.xml

@@ -36,7 +36,7 @@
           </descriptorRefs>
           <archive>
             <manifest>
-              <mainClass>org.schafkopf.Main</mainClass>
+              <mainClass>org.schafkopf.DedicatedServer</mainClass>
             </manifest>
           </archive>
         </configuration>

Backend/schafkopf-server/src/main/java/org/schafkopf/ClientConnection.java

@@ -0,0 +1,75 @@
+package org.schafkopf;
+
+import java.io.IOException;
+import java.util.concurrent.CountDownLatch;
+import org.eclipse.jetty.websocket.api.Session;
+import org.eclipse.jetty.websocket.api.WebSocketAdapter;
+import org.schafkopf.player.BotPlayer;
+import org.schafkopf.player.Player;
+
+/** Class that represents one Frontend Connection. */
+public class ClientConnection extends WebSocketAdapter implements MessageSender {
+  private final CountDownLatch closureLatch = new CountDownLatch(1);
+  private DedicatedServer dedicatedServer;
+
+  private Session session;
+
+  public ClientConnection(DedicatedServer dedicatedServer) {
+    this.dedicatedServer = dedicatedServer;
+    System.out.println("new ClientConnection created.");
+  }
+
+  @Override
+  public void onWebSocketConnect(Session session) {
+    this.session = session;
+    super.onWebSocketConnect(session);
+    String clientIp = session.getRemoteAddress().toString();
+    System.out.println("Endpoint connected from ip: " + clientIp);
+
+    dedicatedServer.addFrontendEndpoint(this);
+  }
+
+  @Override
+  public void onWebSocketText(String message) {
+    super.onWebSocketText(message);
+    if (message.equals("HEARTBEAT SYN")) {
+      System.out.println("Received HEARTBEAT message from " + session.getRemoteAddress() + ".");
+      sendMessage("HEARTBEAT ACK");
+      return;
+    }
+    if (message.equals("START_GAME")) {
+      System.out.println("Received START_GAME message from " + session.getRemoteAddress() + ".");
+      dedicatedServer.addGameSession(new GameSession(new Schafkopf(new Player[] {
+        new BotPlayer(), new BotPlayer(), new BotPlayer(), new BotPlayer()
+      }, this)));
+      return;
+    }
+    System.out.println("Received TEXT message:" + message);
+  }
+
+  @Override
+  public void onWebSocketClose(int statusCode, String reason) {
+    super.onWebSocketClose(statusCode, reason);
+
+    dedicatedServer.removeFrontendEndpoint(this);
+
+    System.out.println("Socket Closed: [" + statusCode + "] " + reason);
+    closureLatch.countDown();
+  }
+
+  @Override
+  public void onWebSocketError(Throwable cause) {
+    super.onWebSocketError(cause);
+    cause.printStackTrace(System.err);
+  }
+
+  /** send a Message to the connected FrontEnd. */
+  @Override
+  public void sendMessage(String message) {
+    try {
+      getRemote().sendString(message);
+    } catch (IOException e) {
+      e.printStackTrace();
+    }
+  }
+}

Backend/schafkopf-server/src/main/java/org/schafkopf/DedicatedServer.java

@@ -0,0 +1,94 @@
+package org.schafkopf;
+
+import jakarta.servlet.DispatcherType;
+import java.net.InetSocketAddress;
+import java.time.Duration;
+import java.util.ArrayList;
+import java.util.EnumSet;
+import java.util.List;
+import org.eclipse.jetty.server.Server;
+import org.eclipse.jetty.server.ServerConnector;
+import org.eclipse.jetty.servlet.FilterHolder;
+import org.eclipse.jetty.servlet.ServletContextHandler;
+import org.eclipse.jetty.servlets.CrossOriginFilter;
+import org.eclipse.jetty.websocket.server.config.JettyWebSocketServletContainerInitializer;
+
+/** Main Class that represents the Backend Server. */
+public class DedicatedServer {
+  private final Server server;
+  private final ServerConnector connector;
+
+  private final List<ClientConnection> clientConnections = new ArrayList<>();
+
+  private final List<GameSession> gameSessions = new ArrayList<>();
+
+  /** Creates an Instance of the Backend Server. */
+  public DedicatedServer() {
+    server = new Server();
+    InetSocketAddress address = new InetSocketAddress("localhost", 8085);
+    connector = new ServerConnector(server);
+    connector.setHost(address.getHostName());
+    connector.setPort(address.getPort());
+    server.addConnector(connector);
+
+    // Setup the basic application "context" for this application at "/"
+    // This is also known as the handler tree (in jetty speak)
+    ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
+    context.setContextPath("/");
+    server.setHandler(context);
+    // Configure CORS settings
+    configureCors(context);
+    // Configure specific websocket behavior
+    JettyWebSocketServletContainerInitializer.configure(
+        context,
+        (servletContext, wsContainer) -> {
+          // Configure default max size
+          wsContainer.setMaxTextMessageSize(65535);
+          wsContainer.setIdleTimeout(Duration.ofDays(300000));
+          // Add websockets
+          wsContainer.addMapping("/*", new FrontendEndpointCreator(this));
+        });
+  }
+
+  /** The main entrypoint of the Application. */
+  public static void main(String[] args) throws Exception {
+    DedicatedServer server = new DedicatedServer();
+    server.start();
+    server.join();
+  }
+
+  private void configureCors(ServletContextHandler context) {
+    // Enable CORS for all paths
+    FilterHolder cors = context.addFilter(CrossOriginFilter.class, "/*", null);
+
+    // Configure allowed origins, headers, and methods
+    cors.setInitParameter("allowedOrigins", "*");
+    cors.setInitParameter("allowedHeaders", "X-Requested-With,Content-Type,Accept,Origin");
+    cors.setInitParameter("allowedMethods", "GET,POST,PUT,DELETE,OPTIONS");
+
+    // Add filter mappings
+    EnumSet<DispatcherType> types = EnumSet.of(DispatcherType.REQUEST);
+    context.addFilter(cors, "*", types);
+  }
+
+  private void start() throws Exception {
+    server.start();
+  }
+
+  private void join() throws InterruptedException {
+    server.join();
+  }
+
+  public void addFrontendEndpoint(ClientConnection endpoint) {
+    clientConnections.add(endpoint);
+  }
+
+  public void removeFrontendEndpoint(ClientConnection endpoint) {
+    clientConnections.remove(endpoint);
+  }
+
+
+  public void addGameSession(GameSession gameSession) {
+    gameSessions.add(gameSession);
+  }
+}

Backend/schafkopf-server/src/main/java/org/schafkopf/FrontendEndpointCreator.java

@@ -0,0 +1,23 @@
+package org.schafkopf;
+
+import org.eclipse.jetty.websocket.server.JettyServerUpgradeRequest;
+import org.eclipse.jetty.websocket.server.JettyServerUpgradeResponse;
+import org.eclipse.jetty.websocket.server.JettyWebSocketCreator;
+
+/**
+ * Creater to make new Instances of the FrontendConnection.
+ */
+public class FrontendEndpointCreator implements JettyWebSocketCreator {
+  private DedicatedServer dedicatedServer;
+
+  public FrontendEndpointCreator(DedicatedServer dedicatedServer) {
+    this.dedicatedServer = dedicatedServer;
+  }
+
+  @Override
+  public Object createWebSocket(
+      JettyServerUpgradeRequest jettyServerUpgradeRequest,
+      JettyServerUpgradeResponse jettyServerUpgradeResponse) {
+    return new ClientConnection(this.dedicatedServer);
+  }
+}

Backend/schafkopf-server/src/main/java/org/schafkopf/GameSession.java

@@ -0,0 +1,19 @@
+package org.schafkopf;
+
+/** The main entrypoint of the Application. */
+public class GameSession {
+
+  private Schafkopf schafkopf;
+
+  /** The main entrypoint of the Application. */
+  public GameSession(Schafkopf schafkopf) {
+    this.schafkopf = schafkopf;
+    System.out.println("new GameSession created.");
+    startGame();
+  }
+
+  private void startGame() {
+    schafkopf.startGame();
+  }
+
+}

Backend/schafkopf-server/src/main/java/org/schafkopf/Main.java

@@ -1,18 +0,0 @@
-package org.schafkopf;
-
-import org.schafkopf.karte.Karte;
-import org.schafkopf.karte.KartenListe;
-import org.schafkopf.karte.KartenUtil;
-
-/** Creates an Instance of the Backend Server. */
-public class Main {
-  /** Creates an Instance of the Backend Server. */
-  public static void main(String[] args) {
-
-    System.out.println("Hello and welcome!");
-    KartenListe testHand = KartenUtil.zieheZufallsHand(8);
-    for (Karte karte : testHand.getKartenListe()) {
-      System.out.println(karte.getName());
-    }
-  }
-}

Backend/schafkopf-shared/src/main/java/org/schafkopf/MessageSender.java

@@ -0,0 +1,6 @@
+package org.schafkopf;
+
+/** The main entrypoint of the Application. */
+public interface MessageSender {
+  void sendMessage(String message);
+}

Backend/schafkopf-shared/src/main/java/org/schafkopf/Schafkopf.java

@@ -6,7 +6,6 @@ import org.schafkopf.karte.KartenFarbe;
 import org.schafkopf.karte.KartenListe;
 import org.schafkopf.karte.KartenUtil;
 import org.schafkopf.player.BotPlayer;
-import org.schafkopf.player.LocalPlayer;
 import org.schafkopf.player.Player;
 import org.schafkopf.spielcontroller.FarbGeierController;
 import org.schafkopf.spielcontroller.FarbSoloController;
@@ -18,14 +17,12 @@ import org.schafkopf.spielcontroller.WenzController;
 
 /** The main class representing the Schafkopf game. */
 public class Schafkopf {
-  private final BackendServer server;
+  private final MessageSender messageSender;
 
   /** The game controller. This is the class that implements the game logic. */
   private SpielController spiel = new SauSpielController(0, KartenFarbe.EICHEL);
 
-  private final Player[] player = {
+  private final Player[] player;
-    new BotPlayer(), new LocalPlayer(this), new LocalPlayer(this), new LocalPlayer(this)
-  };
 
   private GameState gameState = new GameState(GamePhase.GAME_STOP);
   private Thread spielThread;
@@ -33,10 +30,11 @@ public class Schafkopf {
   /**
    * Constructor for the Schafkopf class.
    *
-   * @param server The backend server associated with the game.
+   * @param messageSender MessageSender
    */
-  Schafkopf(BackendServer server) {
+  public Schafkopf(Player[] player, MessageSender messageSender) {
-    this.server = server;
+    this.player = player;
+    this.messageSender = messageSender;
     System.out.println("SchaffKopfGame erstellt");
   }
 
@@ -44,62 +42,26 @@ public class Schafkopf {
     return player;
   }
 
-  /** Sends all Trumpf Karten of the current GameType to the Frontend. */
-  public void showTrumpf() {
-    server.sendMessageToAllFrontendEndpoints(spiel.getTrumpfKarten().getJson());
-  }
-
-  /** Sends all Farb Karten of the current GameType to the Frontend. */
-  public void showFarbe() {
-    server.sendMessageToAllFrontendEndpoints(spiel.getFarbKarten().getJson());
-  }
-
-  /** Waits for a Card and returns a Karte Object. */
-  public Karte wartetAufKarte() {
-    String uid = null;
-    System.out.println("Starte Warten auf Karte");
-    try {
-      uid = server.waitForCardScan();
-    } catch (InterruptedException e) {
-      throw new RuntimeException(e);
-    }
-
-    Karte karte = KartenUtil.getIdOfUid(uid);
-
-    if (karte == null) {
-      System.out.println("Ungültige Karte");
-      return wartetAufKarte();
-    }
-    System.out.println("Karte gescannt: " + karte.getName());
-    System.out.println("Beende Warten auf Karte");
-    return karte;
-  }
-
   /** Set GameState to "started" and start Game Thread. */
   public void startGame() {
     if (gameState.getGamePhase() != GamePhase.GAME_STOP) {
       System.out.println("Game already started!");
-      server.sendMessageToAllFrontendEndpoints("Game already started!");
+      messageSender.sendMessage("Game already started!");
     } else {
       gameState = new GameState(GamePhase.GAME_START);
       setAndSendGameState(gameState);
       System.out.println("Start Game");
 
-      // KartenListe botHand = KartenUtil.zieheZufallsHand(8);
+      KartenListe austeilen = KartenUtil.initializeSchafKopfCardDeck();
-      KartenListe botHand = new KartenListe();
-      botHand.addKarten(Karte.EICHEL_7);
-      botHand.addKarten(Karte.SCHELL_7);
-      botHand.addKarten(Karte.BLATT_7);
-
-      botHand.addKarten(Karte.EICHEL_X);
-      botHand.addKarten(Karte.HERZ_X);
-      botHand.addKarten(Karte.HERZ_7);
-
-      botHand.addKarten(Karte.EICHEL_U);
-      botHand.addKarten(Karte.EICHEL_O);
       for (Player currentPlayer : player) {
         if (currentPlayer instanceof BotPlayer botPlayer) {
-          // Perform actions specific to BotPlayer
+          KartenListe botHand = new KartenListe();
+          for (int i = 7; i >= 0; i--) {
+            System.out.println("Austeilen: " + austeilen.size());
+            System.out.println("Bot Hand: " + i);
+            botHand.addKarten(austeilen.removeKarten(austeilen.getByIndex(i)));
+          }
+          System.out.println("Bot Hand: " + botHand.getJson().toString());
           botPlayer.setCards(botHand); // Replace with the actual method you want to call
         }
       }
@@ -114,7 +76,7 @@ public class Schafkopf {
   public void stopGame() {
     if (gameState.getGamePhase() == GamePhase.GAME_STOP) {
       System.out.println("no active Game!");
-      server.sendMessageToAllFrontendEndpoints("no active Game!");
+      messageSender.sendMessage("no active Game!");
     } else {
       gameState = new GameState(GamePhase.GAME_STOP);
       setAndSendGameState(gameState);
@@ -126,7 +88,7 @@ public class Schafkopf {
   /** Set GameType. */
   public void setGame(String message) {
     System.out.println("Set Game: " + message);
-    server.sendMessageToAllFrontendEndpoints("Set Game: " + message);
+    messageSender.sendMessage("Set Game: " + message);
     switch (message) {
       case "setgame:herzsolo":
         this.spiel = new FarbSoloController(0, KartenFarbe.HERZ);
@@ -184,7 +146,7 @@ public class Schafkopf {
 
   public void setAndSendGameState(GameState gameState) {
     this.gameState = gameState;
-    this.server.sendMessageToAllFrontendEndpoints(this.gameState.getJson());
+    this.messageSender.sendMessage(this.gameState.getJson().toString());
   }
 
   public GameState getGameState() {

Frontend/src/App.vue

@@ -21,6 +21,12 @@ function startSimulation(): void {
 
 }
 
+function startDedicated(): void {
+  sendMessageToServer("startdedicated");
+
+}
+
+
 function stopSimulation(): void {
   sendMessageToServer("stopsimulation");
 }
@@ -131,32 +137,33 @@ onMounted(() => {
     <div v-for="message in messageFromServer" :key="message">{{ message }}</div>
 
     <div v-if="showGameSelect">
+      <!--      <div class="flex gap-2 place-content-center">-->
+      <!--        <button @click="setGame('setgame:sauspiel')">Sauspiel</button>-->
+
+      <!--        <button @click="setGame('setgame:herzsolo')">herzsolo</button>-->
+      <!--        <button @click="setGame('setgame:eichelsolo')">eichelsolo</button>-->
+      <!--        <button @click="setGame('setgame:blattsolo')">blattsolo</button>-->
+      <!--        <button @click="setGame('setgame:schellsolo')">schellsolo</button>-->
+
+      <!--        <button @click="setGame('setgame:eichelwenz')">eichelwenz</button>-->
+      <!--        <button @click="setGame('setgame:blattwenz')">blattwenz</button>-->
+      <!--        <button @click="setGame('setgame:herzwenz')">herzwenz</button>-->
+      <!--        <button @click="setGame('setgame:schellwenz')">schellwenz</button>-->
+
+      <!--        <button @click="setGame('setgame:eichelgeier')">eichelgeier</button>-->
+      <!--        <button @click="setGame('setgame:blattgeier')">blattgeier</button>-->
+      <!--        <button @click="setGame('setgame:herzgeier')">herzgeier</button>-->
+      <!--        <button @click="setGame('setgame:schellgeier')">schellgeier</button>-->
+
+      <!--        <button @click="setGame('setgame:geier')">Geier</button>-->
+      <!--        <button @click="setGame('setgame:wenz')">Wenz</button>-->
+      <!--      </div>-->
+      <!--      <div class="flex gap-2 place-content-center">-->
+      <!--        <button @click="showFarben">Zeige alle Farben</button>-->
+      <!--        <button @click="showTrumpf">Zeige alle Trumpfkarten</button>-->
+      <!--      </div>-->
       <div class="flex gap-2 place-content-center">
-        <button @click="setGame('setgame:sauspiel')">Sauspiel</button>
+        <button class="v-button" @click="startDedicated">Dedicated Starten</button>
-
-        <!--        <button @click="setGame('setgame:herzsolo')">herzsolo</button>-->
-        <!--        <button @click="setGame('setgame:eichelsolo')">eichelsolo</button>-->
-        <!--        <button @click="setGame('setgame:blattsolo')">blattsolo</button>-->
-        <!--        <button @click="setGame('setgame:schellsolo')">schellsolo</button>-->
-
-        <!--        <button @click="setGame('setgame:eichelwenz')">eichelwenz</button>-->
-        <!--        <button @click="setGame('setgame:blattwenz')">blattwenz</button>-->
-        <!--        <button @click="setGame('setgame:herzwenz')">herzwenz</button>-->
-        <!--        <button @click="setGame('setgame:schellwenz')">schellwenz</button>-->
-
-        <!--        <button @click="setGame('setgame:eichelgeier')">eichelgeier</button>-->
-        <!--        <button @click="setGame('setgame:blattgeier')">blattgeier</button>-->
-        <!--        <button @click="setGame('setgame:herzgeier')">herzgeier</button>-->
-        <!--        <button @click="setGame('setgame:schellgeier')">schellgeier</button>-->
-
-        <button @click="setGame('setgame:geier')">Geier</button>
-        <button @click="setGame('setgame:wenz')">Wenz</button>
-      </div>
-      <div class="flex gap-2 place-content-center">
-        <button @click="showFarben">Zeige alle Farben</button>
-        <button @click="showTrumpf">Zeige alle Trumpfkarten</button>
-      </div>
-      <div class="flex gap-2 place-content-center">
         <button class="v-button" @click="startSimulation">Starten</button>
         <button class="v-button" @click="stopSimulation">Stoppen</button>
       </div>