Merge branch 'main' into 'gui'

# Conflicts:
#   Projekte/jme-common/src/main/resources/Interface/Lemur/pp-styles.groovy
#   Projekte/monopoly/client/src/main/java/pp/monopoly/client/GameSound.java
#   Projekte/monopoly/client/src/main/java/pp/monopoly/client/MonopolyApp.java
#   Projekte/monopoly/client/src/main/java/pp/monopoly/client/StartMenu.java
#   Projekte/monopoly/model/src/main/java/pp/monopoly/game/client/ClientGameLogic.java
#   Projekte/monopoly/model/src/main/java/pp/monopoly/game/server/ServerGameLogic.java
#   Projekte/monopoly/model/src/main/resources/monopoly.properties

Projekte/jme-common/src/main/resources/Interface/Lemur/pp-styles.groovy

@@ -5,10 +5,10 @@
 import com.simsilica.lemur.*
 import com.simsilica.lemur.component.QuadBackgroundComponent
 
-// Farben und allgemeine Stile
 def bgColor = color(1, 1, 1, 1)
 def buttonEnabledColor = color(0.8, 0.9, 1, 1)
 def buttonDisabledColor = color(0.8, 0.9, 1, 0.2)
+//def buttonBgColor = color(0, 0.75, 0.75, 1)
 def sliderColor = color(0.6, 0.8, 0.8, 1)
 def sliderBgColor = color(0.5, 0.75, 0.75, 1)
 def gradientColor = color(1, 1, 1, 1)
@@ -16,7 +16,13 @@ def tabbuttonEnabledColor = color(0.4, 0.45, 0.5, 1)
 def playButtonBorderColor = color(1, 0.6, 0, 1) // For "Spielen" button
 def blackColor = color(0, 0, 0, 1) // Define black color for border
 
-// Hintergrundverläufe
+def playButtonBorderColor = color(1, 0.6, 0, 1) // Orange border for "Spielen" button
+def playButtonTextColor = color(0, 0, 0, 1) // Black text color for "Spielen" button
+def buttonBgColor = color(1, 1, 1, 1) // White background for "Spiel beenden" and "Einstellungen" buttons
+def buttonTextColor = color(0, 0, 0, 1) // Black text color for "Spiel beenden" and "Einstellungen" buttons
+def borderColor = color(0, 0, 0, 1) // Black border for "Spiel beenden" and "Einstellungen"
+
+
 def gradient = TbtQuadBackgroundComponent.create(
         texture(name: "/com/simsilica/lemur/icons/bordered-gradient.png", generateMips: false),
        1, 1, 1, 126, 126, 1f, false)
@@ -49,49 +55,24 @@ selector("slider", "pp") {
     background = new QuadBackgroundComponent(sliderBgColor)
 }
 
-// Slider-Thumb Stil
+selector("play-button", "pp") {
-selector("slider.thumb.button", "pp") {
+    color = playButtonTextColor // Black text color
-    text = "[]" // Symbol für den Thumb
+    background = new QuadBackgroundComponent(playButtonBorderColor) // Orange border background
-    color = sliderColor
+    insets = new Insets3f(15, 25, 15, 25) // Padding for larger button size
-    insets = new Insets3f(2, 2, 2, 2)
+    background.setMargin(5, 5) // Thin border effect around the background color
+    fontSize = 36 // Larger font size for prominence
 }
 
-// Slider links/rechts Buttons
-selector("slider.left.button", "pp") {
-    text = "-"
-    color = sliderColor
-    background = doubleGradient.clone()
-    insets = new Insets3f(5, 5, 5, 5)
-}
-
-selector("slider.right.button", "pp") {
-    text = "+"
-    color = sliderColor
-    background = doubleGradient.clone()
-    insets = new Insets3f(5, 5, 5, 5)
-}
-
-// Style für alle Buttons im Menü
 selector("menu-button", "pp") {
-    color = color(0, 0, 0, 1) // Schwarzer Text
+    color = buttonTextColor // Black text color
-    background = new QuadBackgroundComponent(bgColor)
+    background = new QuadBackgroundComponent(buttonBgColor) // White background
-    insets = new Insets3f(10, 20, 10, 20)
+    insets = new Insets3f(10, 20, 10, 20) // Padding
-    fontSize = 24
+    background.setMargin(1, 1) // Thin black border
+    background.setColor(borderColor) // Set black border color
+
+    fontSize = 24 // Standard font size
 }
 
-// Apply border to all buttons in the "pp" style
-selector("button", "pp") {
-    background = gradient.clone()
-    background.setColor(bgColor) // Set background color
-    background.setBorderColor(blackColor) // Set border color to black
-    background.setBorderSize(2) // Set border thickness (adjust as needed)
-
-    color = buttonEnabledColor
-    insets = new Insets3f(2, 2, 2, 2)
-    buttonCommands = stdButtonCommands
-}
-
-// Standard Button Commands (Animationseffekt)
 def pressedCommand = new Command<Button>() {
     void execute(Button source) {
         if (source.isPressed())

Projekte/monopoly/client/src/main/java/pp/monopoly/client/MonopolyApp.java

@@ -55,6 +55,55 @@ public class MonopolyApp extends SimpleApplication implements MonopolyClient, Ga
         setSettings(makeSettings());
     }
 
+    /**
+     * Creates and configures application settings from the client configuration.
+     *
+     * @return A configured {@link AppSettings} object.
+     */
+    private AppSettings makeSettings() {
+        final AppSettings settings = new AppSettings(true);
+        settings.setTitle(lookup("monopoly.name"));
+        settings.setResolution(config.getResolutionWidth(), config.getResolutionHeight());
+        settings.setFullscreen(config.fullScreen());
+        settings.setUseRetinaFrameBuffer(config.useRetinaFrameBuffer());
+        settings.setGammaCorrection(config.useGammaCorrection());
+        return settings;
+    }
+
+    /**
+     * Factory method for creating a server connection based on the current
+     * client configuration.
+     *
+     * @return A {@link ServerConnection} instance, which could be a real or mock server.
+     */
+    private ServerConnection makeServerConnection() {
+        return new NetworkSupport(this);
+    }
+
+    /**
+     * Returns the dialog manager responsible for managing in-game dialogs.
+     *
+     * @return The {@link DialogManager} instance.
+     */
+    public DialogManager getDialogManager() {
+        return dialogManager;
+    }
+
+    /**
+     * Returns the game logic handler for the client.
+     *
+     * @return The {@link ClientGameLogic} instance.
+     */
+    @Override
+    public ClientGameLogic getGameLogic() {
+        return logic;
+    }
+
+    /**
+     * Returns the current configuration settings for the Monopoly client.
+     *
+     * @return The {@link MonopolyClientConfig} instance.
+     */
     @Override
     public MonopolyAppConfig getConfig() {
         return config;

Projekte/monopoly/client/src/main/java/pp/monopoly/client/StartMenu.java

@@ -1,123 +1,117 @@
 package pp.monopoly.client;
 
+import com.jme3.asset.TextureKey;
 import com.jme3.material.Material;
-import com.jme3.math.ColorRGBA;
 import com.jme3.math.Vector3f;
 import com.jme3.scene.Geometry;
 import com.jme3.scene.shape.Quad;
 import com.jme3.texture.Texture;
-import com.simsilica.lemur.Axis;
 import com.simsilica.lemur.Button;
-import com.simsilica.lemur.Container;
+import com.simsilica.lemur.Insets3f;
-import com.simsilica.lemur.HAlignment;
 import com.simsilica.lemur.Label;
+import com.simsilica.lemur.Panel;
+import com.simsilica.lemur.style.ElementId;
 import com.simsilica.lemur.component.QuadBackgroundComponent;
-import com.simsilica.lemur.component.SpringGridLayout;
+import com.jme3.math.ColorRGBA;
-
 import pp.dialog.Dialog;
-import pp.monopoly.client.gui.CreateGameMenu;
+import pp.monopoly.client.gui.GameMenu;
-import pp.monopoly.client.gui.SettingsMenu;
+import pp.dialog.DialogManager;
+
+import java.util.prefs.Preferences;
+
+import static pp.monopoly.Resources.lookup;
+import static pp.util.PreferencesUtils.getPreferences;
 
-/**
- * Constructs the startup menu dialog for the Monopoly application.
- */
 public class StartMenu extends Dialog {
+    private static final Preferences PREFERENCES = getPreferences(StartMenu.class);
     private final MonopolyApp app;
 
+    // Buttons for the menu
+    private final Button playButton = new Button(lookup("button.play"));
+    private final Button quitButton = new Button(lookup("menu.quit"));
+    private final Button settingsButton = new Button("Einstellungen", new ElementId("menu-button"));
+
     /**
-     * Constructs the Startup Menu dialog for the Monopoly application.
+     * Constructs the StartMenu dialog for the Monopoly application.
      *
      * @param app the MonopolyApp instance
      */
     public StartMenu(MonopolyApp app) {
         super(app.getDialogManager());
         this.app = app;
-    }
 
-    /**
+        // Load and display the background image
-     * Creates and displays the Start Menu with buttons for starting the game,
+        TextureKey backgroundKey = new TextureKey("unibw-bib", false);
-     * opening settings, and quitting the application.
+        Texture backgroundTexture = app.getAssetManager().loadTexture(backgroundKey);
-     */
-    public static void createStartMenu(MonopolyApp app) {
-        int screenWidth = app.getContext().getSettings().getWidth();
-        int screenHeight = app.getContext().getSettings().getHeight();
-
-        // Set up the background image
-        Texture backgroundImage = app.getAssetManager().loadTexture("Pictures/unibw-Bib2.png");
-        Quad quad = new Quad(screenWidth, screenHeight);
-        Geometry background = new Geometry("Background", quad);
         Material backgroundMaterial = new Material(app.getAssetManager(), "Common/MatDefs/Misc/Unshaded.j3md");
-        backgroundMaterial.setTexture("ColorMap", backgroundImage);
+        backgroundMaterial.setTexture("ColorMap", backgroundTexture);
+
+        // Create a large Quad for the background
+        Quad backgroundQuad = new Quad(16, 9); // Adjust size as necessary to fill the screen
+        Geometry background = new Geometry("Background", backgroundQuad);
         background.setMaterial(backgroundMaterial);
-        background.setLocalTranslation(0, 0, -1); // Ensure it is behind other GUI elements
+        background.setLocalTranslation(new Vector3f(-8, -4.5f, -1)); // Position it behind the UI components
+
+        // Attach the background as the first element
         app.getGuiNode().attachChild(background);
 
-        // Center container for title and play button
+        // Load and display the Monopoly logo
-        Container centerMenu = new Container(new SpringGridLayout(Axis.Y, Axis.X));
+        TextureKey monopolyLogoKey = new TextureKey("log-Monopoly", false);
+        Texture monopolyLogoTexture = app.getAssetManager().loadTexture(monopolyLogoKey);
+        Material monopolyLogoMaterial = new Material(app.getAssetManager(), "Common/MatDefs/Misc/Unshaded.j3md");
+        monopolyLogoMaterial.setTexture("ColorMap", monopolyLogoTexture);
 
-        Button startButton = new Button("Spielen");
+        Quad monopolyQuad = new Quad(5, 1.5f); // Adjust dimensions as necessary
-        startButton.setPreferredSize(new Vector3f(190, 60, 0)); // Increase button size (width, height)
+        Geometry monopolyLogo = new Geometry("MonopolyLogo", monopolyQuad);
-        startButton.setFontSize(40); // Set the font size for the button text
+        monopolyLogo.setMaterial(monopolyLogoMaterial);
-        startButton.setTextHAlignment(HAlignment.Center); // Center the text horizontally
+        monopolyLogo.setLocalTranslation(new Vector3f(0, 5, 0)); // Position Monopoly logo at the top
 
-        // Set a custom border and background color
+        Panel monopolyLogoPanel = new Panel();
-        ColorRGBA borderColor = ColorRGBA.Orange; // Example: White border
+        addChild(monopolyLogoPanel);
-        ColorRGBA backgroundColor = ColorRGBA.LightGray; // Example: light gray background
-        QuadBackgroundComponent backgroundColorSp = new QuadBackgroundComponent(backgroundColor);
-        backgroundColorSp.setMargin(2, 2); // Optional: Adjust margin for the border
-        backgroundColorSp.setColor(borderColor); // Set border color
-        startButton.setBackground(backgroundColorSp);
 
-        startButton.addClickCommands(source -> startGame(app));
+        // Load and display the university logo
-        centerMenu.addChild(startButton);
+        TextureKey universityLogoKey = new TextureKey("unibw-logo.png", false);
+        Texture universityLogoTexture = app.getAssetManager().loadTexture(universityLogoKey);
+        Material universityLogoMaterial = new Material(app.getAssetManager(), "Common/MatDefs/Misc/Unshaded.j3md");
+        universityLogoMaterial.setTexture("ColorMap", universityLogoTexture);
 
-        // Position the center container in the middle of the screen
+        Quad universityQuad = new Quad(4, 1); // Adjust dimensions to fit below Monopoly logo
-        centerMenu.setLocalTranslation(new Vector3f(screenWidth / 2f - centerMenu.getPreferredSize().x / 2f,
+        Geometry universityLogo = new Geometry("UniversityLogo", universityQuad);
-                                                    screenHeight / 2f - 280 + centerMenu.getPreferredSize().y / 2f,
+        universityLogo.setMaterial(universityLogoMaterial);
-                                                    0));
+        universityLogo.setLocalTranslation(new Vector3f(0, 3, 0)); // Position below the Monopoly logo
-        app.getGuiNode().attachChild(centerMenu);
 
-        // Lower-left container for "Spiel beenden" button
+        Panel universityLogoPanel = new Panel();
-        Container lowerLeftMenu = new Container();
+        addChild(universityLogoPanel);
-        lowerLeftMenu.setLocalTranslation(new Vector3f(100, 90, 0));
-        Button quitButton = new Button("Spiel beenden");
-        quitButton.setPreferredSize(new Vector3f(130, 40, 0)); // Increase button size slightly (width, height)
-        quitButton.setFontSize(20);
-        quitButton.addClickCommands(source -> quitGame());
-        lowerLeftMenu.addChild(quitButton);
-        app.getGuiNode().attachChild(lowerLeftMenu);
 
-        // Lower-right container for "Einstellungen" button
+
-        Container lowerRightMenu = new Container();
+
-        lowerRightMenu.setLocalTranslation(new Vector3f(screenWidth - 200, 90, 0));
+        // Button actions
-        Button settingsButton = new Button("Einstellungen");
+        playButton.addClickCommands(source -> startGame());
-        settingsButton.setPreferredSize(new Vector3f(130, 40, 0)); // Increase button size slightly (width, height)
+        quitButton.addClickCommands(source -> app.closeApp());
-        settingsButton.setFontSize(20); // Increase the font size for the text
+        settingsButton.addClickCommands(source -> openSettings());
-        settingsButton.addClickCommands(source -> openSettings(app));
+
-        lowerRightMenu.addChild(settingsButton);
+        addChild(monopolyLogoPanel);
-        app.getGuiNode().attachChild(lowerRightMenu);
+        addChild(universityLogoPanel);
+        addChild(playButton);
+        addChild(quitButton);
+        addChild(settingsButton);
     }
 
-    /**
+    private void startGame() {
-     * Starts the game by transitioning to the CreateGameMenu.
+        System.out.println("Starting game...");
-     */
-    private static void startGame(MonopolyApp app) {
-        app.getGuiNode().detachAllChildren();
-        new CreateGameMenu(app);
     }
 
-    /**
+    private void openSettings() {
-     * Opens the settings menu.
+        app.getDialogManager().close(this);
-     */
+        app.getDialogManager().open(new GameMenu(app));
-    private static void openSettings(MonopolyApp app) {
-        app.getGuiNode().detachAllChildren();
-        new SettingsMenu(app);
     }
 
-    /**
+    @Override
-     * Quits the game application.
+    public void update() {
-     */
+    }
-    private static void quitGame() {
+
-        System.exit(0);
+    @Override
+    public void escape() {
+        close();
     }
 }

Projekte/monopoly/client/src/main/java/pp/monopoly/client/gui/GameMenu.java

@@ -0,0 +1,50 @@
+package pp.monopoly.client.gui;
+
+
+import com.jme3.math.ColorRGBA;
+import com.simsilica.lemur.Button;
+import com.simsilica.lemur.Label;
+import com.simsilica.lemur.style.ElementId;
+import pp.dialog.Dialog;
+import pp.monopoly.client.MonopolyApp;
+
+public class GameMenu extends Dialog {
+    private final MonopolyApp app;
+
+    /**
+     * Constructs the SettingsMenu dialog for the Monopoly application.
+     *
+     * @param app the MonopolyApp instance
+     */
+    public GameMenu(MonopolyApp app) {
+        super(app.getDialogManager());
+        this.app = app;
+
+        // Add a title label for Settings
+        Label settingsTitle = new Label("Einstellungen", new ElementId("settings-title"));
+        settingsTitle.setFontSize(48);  // Set font size for the title
+        settingsTitle.setColor(ColorRGBA.White);
+
+        // Add any settings-related components here, such as volume control, toggles, etc.
+
+        // Add a back button to return to StartMenu
+        Button backButton = new Button("Zurück", new ElementId("menu-button"));
+        backButton.setColor(ColorRGBA.White);
+        backButton.setFontSize(24);
+        backButton.addClickCommands(source -> returnToStartMenu());
+
+        // Add components to this dialog
+        addChild(settingsTitle);
+        addChild(backButton);
+
+        // You can add more settings components here, like checkboxes or sliders.
+    }
+
+    /**
+     * Returns to the StartMenu when the back button is clicked.
+     */
+    private void returnToStartMenu() {
+        app.getDialogManager().close(this); // Close the current settings dialog
+        //TODO return zum Ausgangsmenü
+    }
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/game/client/ClientGameLogic.java

@@ -7,6 +7,30 @@
 
 package pp.monopoly.game.client;
 
+import pp.monopoly.message.client.ClientMessage;
+import pp.monopoly.message.server.BuyPropertyResponse;
+import pp.monopoly.message.server.DiceResult;
+import pp.monopoly.message.server.EventDrawCard;
+import pp.monopoly.message.server.GameOver;
+import pp.monopoly.message.server.GameStart;
+import pp.monopoly.message.server.JailEvent;
+import pp.monopoly.message.server.PlayerStatusUpdate;
+import pp.monopoly.message.server.ServerInterpreter;
+import pp.monopoly.message.server.TimeOutWarning;
+import pp.monopoly.message.server.TradeReply;
+import pp.monopoly.message.server.TradeRequest;
+import pp.monopoly.message.server.UpdatePlayerAssets;
+import pp.monopoly.message.server.ViewAssetsResponse;
+import pp.monopoly.model.IntPoint;
+import pp.monopoly.model.Board;
+import pp.monopoly.notification.ClientStateEvent;
+import pp.monopoly.notification.GameEvent;
+import pp.monopoly.notification.GameEventBroker;
+import pp.monopoly.notification.GameEventListener;
+import pp.monopoly.notification.InfoTextEvent;
+import pp.monopoly.notification.Sound;
+import pp.monopoly.notification.SoundEvent;
+
 import java.io.File;
 import java.io.IOException;
 import java.lang.System.Logger;
@@ -168,4 +192,76 @@ public class ClientGameLogic implements ServerInterpreter, GameEventBroker {
     public void update(float delta) {
         state.update(delta);
     }
+
+    @Override
+    public void received(BuyPropertyResponse msg) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'received'");
+    }
+
+    @Override
+    public void received(DiceResult msg) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'received'");
+    }
+
+    @Override
+    public void received(EventDrawCard msg) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'received'");
+    }
+
+    @Override
+    public void received(GameOver msg) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'received'");
+    }
+
+    @Override
+    public void received(GameStart msg) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'received'");
+    }
+
+    @Override
+    public void received(JailEvent msg) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'received'");
+    }
+
+    @Override
+    public void received(PlayerStatusUpdate msg) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'received'");
+    }
+
+    @Override
+    public void received(TimeOutWarning msg) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'received'");
+    }
+
+    @Override
+    public void received(UpdatePlayerAssets msg) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'received'");
+    }
+
+    @Override
+    public void received(ViewAssetsResponse msg) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'received'");
+    }
+
+    @Override
+    public void received(TradeReply msg) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'received'");
+    }
+
+    @Override
+    public void received(TradeRequest msg) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'received'");
+    }
 }

Projekte/monopoly/model/src/main/java/pp/monopoly/game/server/Player.java

@@ -7,9 +7,481 @@
 
 package pp.monopoly.game.server;
 
+import java.util.List;
+import java.util.Random;
+
+import pp.monopoly.message.server.DiceResult;
+import pp.monopoly.model.FieldVisitor;
+import pp.monopoly.model.Figure;
+import pp.monopoly.model.card.DeckHelper;
+import pp.monopoly.model.fields.BuildingProperty;
+import pp.monopoly.model.fields.EventField;
+import pp.monopoly.model.fields.FineField;
+import pp.monopoly.model.fields.FoodField;
+import pp.monopoly.model.fields.GateField;
+import pp.monopoly.model.fields.GoField;
+import pp.monopoly.model.fields.GulagField;
+import pp.monopoly.model.fields.PropertyField;
+import pp.monopoly.model.fields.TestStreckeField;
+import pp.monopoly.model.fields.WacheField;
+
 /**
  * Class representing a player
  */
-public class Player {
+public class Player implements FieldVisitor<Void>{
+    private final int id;
+    private String name;
+    private PlayerColor color;
+    private int accountBalance = 0;
+    private Figure figure;
+    private List<PropertyField> properties;
+    private int getOutOfJailCard;
+    private int fieldID;
+    private DiceResult rollResult;
+    private final PlayerHandler handler;
+    private PlayerState state = new LobbyState();
+
+    /**
+     * Constructs a player with the speciefied params
+     * @param id the id of the player
+     * @param name the name of the player
+     * @param handler the PlayerHandler thispalyer is a part of
+     */
+    public Player(int id, String name, PlayerHandler handler) {
+        this.name = name;
+        this.id = id;
+        this.handler = handler;
+    }
+
+    /**
+     * Constructs a player with the specified id
+     * @param id the id of the player
+     * @param handler the PlayerHandler this player is a part of
+     */
+    public Player(int id, PlayerHandler handler) {
+        this.id = id;
+        this.handler = handler;
+    }
+
+    /**
+     * Set the name of the Player
+     * @param name the new name
+     */
+    void setName(String name) {
+        this.name = name;
+    }
+
+    /**
+     * Set the PlayerColor
+     * @param color the color to be set to
+     */
+    void setColor(PlayerColor color) {
+        this.color = color;
+    }
+
+    /**
+     * Returns this players id
+     * @return th eid of this player
+     */
+    public int getId() {
+        return id;
+    }
+
+    /**
+     * Returns the current position of the player
+     * @return the current position of this player
+     */
+    public int getFieldID() {
+        return fieldID;
+    }
+
+    /**
+     * Moves by the specified amount of steps
+     * @param steps the number of steps to move
+     * @return the new position
+     */
+    public int move(int steps){
+        return movePos(fieldID+steps);
+    }
+
+    /**
+     * Moves the player to the specified Position on the board
+     * @param position the position to move to
+     * @return the new position
+     */
+    public int movePos(int position){
+        fieldID = fieldID+position;
+        if(fieldID >= 40) {
+            fieldID = fieldID%40;
+            earnMoney(2000);
+        }
+        return fieldID;
+    }
+
+    /**
+     * Gets all the properties owned by this player
+     * @return List of all properties owned by this player
+     */
+    public List<PropertyField> getProperties() {
+        return properties;
+    }
+
+    /**
+     * Buy the speciefied property.
+     * Properties can olny be bought when they are not sold yet and you have enough money left to buy
+     * @param property to property to be bought
+     */
+    public void buyProperty(PropertyField property) {
+        if (property.getOwner() == null && accountBalance >= property.getPrice()) {
+            properties.add(property);
+            pay(property.getPrice());
+        }
+    }
+
+    /**
+     * Sell the property
+     * @param property the property to be sold
+     */
+    public void sellProperty(PropertyField property) {
+        if (property.getOwner() == this) {
+            properties.remove(property);
+            property.setOwner(null);
+        }
+    }
+
+    /**
+     * Gets this players current accountBalanece
+     * @return the amount of money currently owned by this player
+     */
+    public int getAccountBalance() {
+        return accountBalance;
+    }
+
+    /**
+     * Removed the speciefied amount of money to this players accountabalance
+     * @param amount the amount to be removed
+     */
+    public void pay(int amount) {
+        accountBalance -= amount;
+    }
+
+    /**
+     * Add the speciefied amount of money to this players accountabalance
+     * @param amount the amount to be added
+     */
+    public void earnMoney(int amount) {
+        accountBalance += amount;
+    }
+
+    /**
+     * Return the players name
+     * @return the name of this player
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * Return the number of GEtOutOfJailCards owned by this player
+     * @return
+     */
+    public int getNumJailCard() {
+        return getOutOfJailCard;
+    }
+
+    /**
+     * Adds a GetOutOfJailCard
+     */
+    public void addJailCard() {
+        getOutOfJailCard++;
+    }
+
+    /**
+     * Removes a GetOutOfJailCard.
+     * Removes one single card per call, to a minimum of 0 cards
+     */
+    public void removeJailCard() {
+        if (getOutOfJailCard ==0) {
+            throw new IllegalStateException("Has no JailCard to remove");
+        }
+        getOutOfJailCard--;
+    }
+
+    /**
+     * Handles the logic of paying the jail bail
+     */
+    public void payBail() {
+        state.payBail();
+    }
+
+    /**
+     * Handles the logic of using a GetOutOfJailCard
+     */
+    public void useJailCard() {
+        state.useJailCard();
+    }
+
+    @Override
+    public Void visit(BuildingProperty field) {
+        int rent = field.calcRent();
+
+        field.getOwner().earnMoney(rent);
+        pay(rent);
+        return null;
+    }
+
+    @Override
+    public Void visit(FoodField field) {
+        int factor = 4;
+        if (field.getOwner().getNumProp(field) == 2) {
+            factor = 10;
+        }
+        field.getOwner().earnMoney(rollResult.calcTotal()*factor);
+        pay(rollResult.calcTotal()*factor);
+        return null;
+    }
+
+    @Override
+    public Void visit(GateField field) {
+        int rent = field.calcRent() * field.getOwner().getNumProp(field);
+
+        field.getOwner().earnMoney(rent);
+        pay(rent);
+        return null;
+    }
+
+    @Override
+    public Void visit(GulagField field) {
+        state = new JailState();
+        return null;
+    }
+
+    @Override
+    public Void visit(TestStreckeField field) {
+        earnMoney(field.collectMoney());
+        return null;
+    }
+
+    @Override
+    public Void visit(EventField field) {
+        DeckHelper.drawCard();
+        return null;
+    }
+
+    @Override
+    public Void visit(WacheField field) {
+        movePos(10);
+        return null;
+    }
+
+    @Override
+    public Void visit(GoField field) {
+        earnMoney(2000);
+        GulagField res = (GulagField) handler.getLogic().getBoardManager().getFieldAtIndex(10);
+        res.accept(this);
+        return null;
+    }
+
+    @Override
+    public Void visit(FineField field) {
+        int amount = field.getFine();
+        pay(amount);
+        TestStreckeField res =(TestStreckeField) handler.getLogic().getBoardManager().getFieldAtIndex(20);
+        res.addMoney(amount);
+        return null;
+    }
+
+    /**
+     * Return the number of Properties of the speciefied fild type
+     * @param field the type of field to search for
+     * @return the number of the fields owned with the specified type
+     */
+    public int getNumProp(PropertyField field) {
+        int count = 0;
+        for (PropertyField propertyField : properties) {
+            if (propertyField.getClass() == field.getClass()) {
+                count++;
+            }
+        }
+
+        return count;
+    }
+
+        /**
+     * Inner class for dice functionality in the game.
+     * Rolls random dice values.
+     */
+    private class Dice {
+        private static Random random = new Random();
+
+        /**
+         * Rolls a single die and returns a random value from 1 to 6.
+         *
+         * @return the result of a dice roll (1 to 6)
+         */
+        private static int rollDice() {
+            return random.nextInt(6) + 1;
+        }
+    }
+
+    /**
+     * Rolls two dice and returns a list with the results.
+     *
+     * @return a List of two integers representing the dice roll results
+     */
+    DiceResult rollDice() {
+        return state.rollDice();
+    }
+
+    /**
+     * A interface representing the PlayerStates
+     */
+    private interface PlayerState {
+        /**
+         * Handles the logic for rolling Dice
+         * @return the {@link DiceResult} of this the DiceRoll
+         */
+        DiceResult rollDice();
+
+        /**
+         * Handles the logic for paying the Jail Bail
+         */
+        void payBail();
+
+        /**
+         * Handles the action of using a GetOutOfJail Card
+         */
+        void useJailCard();
+    }
+
+
+    /**
+     * Class to represent the Active PlayerState
+     * This class is set when it is the Players turn to do actions
+     */
+    private class ActiveState implements PlayerState {
+
+        @Override
+        public DiceResult rollDice() {
+            List<Integer> roll = List.of(Dice.rollDice(), Dice.rollDice());
+            rollResult = new DiceResult(roll);
+            return rollResult;
+        }
+
+        @Override
+        public void payBail() {
+            // do nothing
+        }
+
+        @Override
+        public void useJailCard() {
+            // do nothings
+        }
+    }
+
+
+    /**
+     * A class to represent the Lobby PlayerState
+     * Set when in Lobby
+     */
+    private class LobbyState implements PlayerState{
+
+        @Override
+        public DiceResult rollDice() {
+            //do nothing
+            return null;
+        }
+
+        @Override
+        public void payBail() {
+            //do nothing
+        }
+
+        @Override
+        public void useJailCard() {
+            // do nothing
+        }
 
     }
+
+
+    /**
+     * A class to represent the Jailed PlayerState
+     * Set when in Gulag
+     */
+    private class JailState implements PlayerState {
+
+        private int DoubletsCounter = 3;
+
+        @Override
+        public DiceResult rollDice() {
+            List<Integer> roll = List.of(Dice.rollDice(), Dice.rollDice());
+            rollResult = new DiceResult(roll);
+            if (rollResult.isDoublets()) {
+                state = new ActiveState();
+            } else if (DoubletsCounter == 0) {
+
+            } else {
+                DoubletsCounter--;
+            }
+            return rollResult;
+        }
+
+        @Override
+        public void payBail() {
+            pay(500);
+            state = new ActiveState();
+        }
+
+        @Override
+        public void useJailCard() {
+            getOutOfJailCard--;
+            state = new ActiveState();
+        }
+        
+    }
+
+    private class BankruptState implements PlayerState {
+
+        @Override
+        public DiceResult rollDice() {
+            // TODO Auto-generated method stub
+            throw new UnsupportedOperationException("Unimplemented method 'rollDice'");
+        }
+
+        @Override
+        public void payBail() {
+            // TODO Auto-generated method stub
+            throw new UnsupportedOperationException("Unimplemented method 'payBail'");
+        }
+
+        @Override
+        public void useJailCard() {
+            // TODO Auto-generated method stub
+            throw new UnsupportedOperationException("Unimplemented method 'useJailCard'");
+        }
+        
+    }
+
+    private class WaitForTurnState implements PlayerState {
+
+        @Override
+        public DiceResult rollDice() {
+            // TODO Auto-generated method stub
+            throw new UnsupportedOperationException("Unimplemented method 'rollDice'");
+        }
+
+        @Override
+        public void payBail() {
+            // TODO Auto-generated method stub
+            throw new UnsupportedOperationException("Unimplemented method 'payBail'");
+        }
+
+        @Override
+        public void useJailCard() {
+            // TODO Auto-generated method stub
+            throw new UnsupportedOperationException("Unimplemented method 'useJailCard'");
+        }
+        
+    }
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/game/server/PlayerColor.java

@@ -0,0 +1,35 @@
+package pp.monopoly.game.server;
+
+import com.jme3.math.ColorRGBA;
+
+/**
+ * Enum representing six distinct colors for players in the game.
+ */
+public enum PlayerColor {
+    GREEN_LIGHT(new ColorRGBA(0 / 255f, 204 / 255f, 0 / 255f, 1)),   // Hex: 00cc00
+    RED(new ColorRGBA(255 / 255f, 0 / 255f, 0 / 255f, 1)),           // Hex: ff0000
+    BLUE(new ColorRGBA(0 / 255f, 0 / 255f, 204 / 255f, 1)),          // Hex: 0000cc
+    PINK(new ColorRGBA(255 / 255f, 77 / 255f, 166 / 255f, 1)),       // Hex: ff4da6
+    GREEN_DARK(new ColorRGBA(0 / 255f, 102 / 255f, 0 / 255f, 1)),    // Hex: 006600
+    YELLOW(new ColorRGBA(255 / 255f, 255 / 255f, 0 / 255f, 1));      // Hex: ffff00
+
+    private final ColorRGBA color;
+
+    /**
+     * Constructs a PlayerColor with the specified ColorRGBA value.
+     *
+     * @param color the ColorRGBA value associated with the player color
+     */
+    PlayerColor(ColorRGBA color) {
+        this.color = color;
+    } 
+
+    /**
+     * Gets the ColorRGBA value of the player color.
+     *
+     * @return the ColorRGBA value
+     */
+    public ColorRGBA getColor() {
+        return color;
+    }
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/game/server/PlayerHandler.java

@@ -0,0 +1,135 @@
+package pp.monopoly.game.server;
+
+import java.util.LinkedList;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.List;
+import java.util.NoSuchElementException;
+import java.util.Set;
+/**
+ * A class for helping with player actions and managing thier turns
+ */
+public class PlayerHandler {
+    private List<Player> players = new LinkedList<>();
+    private Set<Player> readyPlayers = new HashSet<>();
+    private ServerGameLogic logic;
+
+    /**
+     * Contructs a PlayerHandler
+     * @param logic the {@link ServerGameLogic} this PlayerHandler is a part of
+     */
+    PlayerHandler(ServerGameLogic logic) {
+        this.logic = logic;
+    }
+
+    /**
+     * Contructs a PlayerHandler
+     * @param logic the {@link ServerGameLogic} this PlayerHandler is a part of
+     * @param p1 a Player to be added
+     */
+    PlayerHandler(ServerGameLogic logic, Player p1) {
+        this(logic);
+        players.add(p1);
+    }
+
+    /**
+     * Contructs a PlayerHandler
+     * @param logic the {@link ServerGameLogic} this PlayerHandler is a part of
+     * @param players a Collection of Players to be added
+     */
+    PlayerHandler(ServerGameLogic logic, Collection<Player> players) {
+        this(logic);
+        players.addAll(players);
+    }
+
+    /**
+     * Return the number of players
+     * @return number of players in the game
+     */
+    public int getPlayerCount() {
+        return players.size();
+    }
+
+    /**
+     * Chechs if all players are ready to start the game
+     * @return {@code true} if all players are ready, otherwise {@code false}
+     */
+    public boolean allPlayersReady() {
+        if (readyPlayers.size() == players.size()) return true;
+        return false;
+    }
+
+    /**
+     * Sets a players Ready status
+     * @param player the player to alter
+     * @param ready the new Status
+     */
+    void setPlayerReady(Player player, boolean ready) {
+        if (!players.contains(player)) {
+            throw new IllegalArgumentException("Player does not belong to this PlayerHandler");
+        } else {
+            if (ready) {
+                readyPlayers.add(player);
+            } else {
+                readyPlayers.remove(player);
+            }
+        }
+    }
+
+    /**
+     * Adds a player to the Queue
+     * @param player the player to be added to the queue
+     */
+    void addPlayer(Player player) {
+        if (players.contains(player)) {
+            throw new IllegalArgumentException("Player already registered");
+        }
+        players.add(player);
+    }
+
+    /**
+     * Removes the specified Player from the Queue
+     * @param player the player to be removed
+     */
+    void removePlayer(Player player) {
+        players.remove(player);
+    }
+
+    /**
+     * Gets Player based on their id in the Queue
+     * @param index the index of the queue
+     * @return the Player at the required index
+     */
+    Player getPlayerAtIndex(int index) {
+        return players.get(index);
+    }
+
+    /**
+     * Completes a player turn and return the next player
+     * @return the next players who is active
+     */
+    Player nextPlayer() {
+        players.addLast(players.removeFirst());
+        return players.getFirst();
+    }
+
+    /**
+     * Returns the {@link ServerGameLogic} of this PlayerHandler
+     * @return the {@link ServerGameLogic} of this PlayerHandler
+     */
+    ServerGameLogic getLogic() {
+        return logic;
+    }
+
+    /**
+     * Gets a player based on their id
+     * @param id the id to be searched for
+     * @return the player with the required id
+     */
+    Player getPlayerById(int id) {
+        for (Player player : players) {
+            if (player.getId() == id) return player;
+        }
+        throw new NoSuchElementException("Player mit id "+id+" existiert nicht");
+    }
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/game/server/ServerGameLogic.java

@@ -1,18 +1,16 @@
-////////////////////////////////////////
-// Programming project code
-// UniBw M, 2022, 2023, 2024
-// www.unibw.de/inf2
-// (c) Mark Minas (mark.minas@unibw.de)
-////////////////////////////////////////
-
 package pp.monopoly.game.server;
 
+import pp.monopoly.MonopolyConfig;
+import pp.monopoly.message.client.*;
+import pp.monopoly.message.server.ServerMessage;
+import pp.monopoly.message.server.TradeReply;
+import pp.monopoly.message.server.TradeRequest;
+import pp.monopoly.message.server.ViewAssetsResponse;
+import pp.monopoly.model.fields.BoardManager;
+import pp.monopoly.model.fields.PropertyField;
+
 import java.lang.System.Logger;
 import java.lang.System.Logger.Level;
-import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
 
 import pp.monopoly.MonopolyConfig;
 import pp.monopoly.message.client.ClientInterpreter;
@@ -26,14 +24,14 @@ public class ServerGameLogic implements ClientInterpreter {
     private static final Logger LOGGER = System.getLogger(ServerGameLogic.class.getName());
 
     private final MonopolyConfig config;
-    private final List<Player> players = new ArrayList<>(2);
+    private final PlayerHandler playerHandler = new PlayerHandler(this);
-    private final Set<Player> readyPlayers = new HashSet<>();
     private final ServerSender serverSender;
-    private Player activePlayer;
+    private ServerState state = ServerState.CREATEGAME;
-    private ServerState state = ServerState.WAIT;
+    private static final int MAX_PLAYERS = 6;
+    private BoardManager boardManager = new BoardManager();
 
     /**
-     * Constructs a ServerGameLogic with the specified sender and configuration.
+     * Constructs a ServerGameLogic instance with the specified sender and configuration.
      *
      * @param serverSender the sender used to send messages to clients
      * @param config       the game configuration
@@ -44,80 +42,218 @@ public class ServerGameLogic implements ClientInterpreter {
     }
 
     /**
-     * Returns the  state of the game.
+     * Retrieves the current state of the game.
+     *
+     * @return the current ServerState
      */
     ServerState getState() {
         return state;
     }
 
     /**
-     * Sets the new state of the game and logs the state transition.
+     * Sets a new state for the game and logs the state transition.
      *
-     * @param newState the new state to set
+     * @param newState the new ServerState to transition to
      */
     void setState(ServerState newState) {
-        LOGGER.log(Level.DEBUG, "state transition {0} --> {1}", state, newState); //NON-NLS
+        LOGGER.log(Level.DEBUG, "State transition {0} --> {1}", state, newState);
         state = newState;
     }
 
     /**
-     * Returns the opponent of the specified player.
+     * Sends a message to a specified player.
      *
-     * @param p the player
+     * @param player the Player to whom the message is sent
-     * @return the opponent of the player
+     * @param msg    the ServerMessage to send
-     */
-    Player getOpponent(Player p) {
-        if (players.size() != 2)
-            throw new RuntimeException("trying to find opponent without having 2 players");
-        final int index = players.indexOf(p);
-        if (index < 0)
-            throw new RuntimeException("Nonexistent player " + p);
-        return players.get(1 - index);
-    }
-
-    /**
-     * Returns the player representing the client with the specified connection ID.
-     *
-     * @param id the ID of the client
-     * @return the player associated with the client ID, or null if not found
-     */
-    public Player getPlayerById(int id) {
-        // TODO Auto-generated method stub
-        throw new UnsupportedOperationException("Unimplemented method");
-    }
-
-    /**
-     * Sends a message to the specified player.
-     *
-     * @param player the player to send the message to
-     * @param msg    the message to send
      */
     void send(Player player, ServerMessage msg) {
-        // TODO Auto-generated method stub
+        if (player != null && msg != null) {
-        throw new UnsupportedOperationException("Unimplemented method");
+            serverSender.send(player.getId(), msg);
+            LOGGER.log(Level.DEBUG, "Message sent to player {0}: {1}", player.getName(), msg.getClass().getSimpleName());
+        } else {
+            LOGGER.log(Level.WARNING, "Attempted to send a null message or to a null player");
+        }
     }
 
     /**
-     * Adds a new player to the game if there are less than two players.
+     * Adds a new player to the game if the game is in the LOBBY state and the maximum
-     * Transitions the state to SET_UP if two players are present.
+     * player limit has not been reached.
      *
-     * @param id the connection ID of the new player
+     * @param player the Player to add to the game
-     * @return the player added to the game, or null if the game is not in the right state
+     * @return the added Player, or null if the player could not be added
+     */
+    public Player addPlayer(Player player) {
+        if (state != ServerState.LOBBY) {
+            LOGGER.log(Level.WARNING, "Cannot add player; game is not in LOBBY state.");
+            return null;
+        }
+
+        if (playerHandler.getPlayerCount() >= MAX_PLAYERS) {
+            LOGGER.log(Level.WARNING, "Cannot add player; maximum player limit reached.");
+            return null;
+        }
+
+        playerHandler.addPlayer(player);
+        LOGGER.log(Level.DEBUG, "Player added: {0}", player.getId());
+
+        return player;
+    }
+
+    /**
+     * Adds a new player to the game if the game is in the LOBBY state and the maximum
+     * player limit has not been reached.
+     *
+     * @param id the id of the player to add to the game
+     * @return the added Player, or null if the player could not be added
      */
     public Player addPlayer(int id) {
-        // TODO Auto-generated method stub
+        Player player = new Player(id, playerHandler);
-        throw new UnsupportedOperationException("Unimplemented method");
+        if (state != ServerState.LOBBY) {
+            LOGGER.log(Level.WARNING, "Cannot add player; game is not in LOBBY state.");
+            return null;
+        }
+
+        if (playerHandler.getPlayerCount() >= MAX_PLAYERS) {
+            LOGGER.log(Level.WARNING, "Cannot add player; maximum player limit reached.");
+            return null;
+        }
+
+        playerHandler.addPlayer(player);
+        LOGGER.log(Level.DEBUG, "Player added: {0}", player.getId());
+
+        return player;
     }
 
     /**
-     * Marks the player as ready 
+     * Handles a BuyPropertyRequest from a player, allowing the player to purchase a property
-     * Transitions the state to PLAY if both players are ready.
+     * if it is unowned and they have sufficient funds.
      *
-     * @param player the player who is ready
+     * @param msg  the BuyPropertyRequest received from the player
+     * @param from the connection ID of the player who sent the request
      */
-    void playerReady(Player player) {
+    @Override
-        // TODO Auto-generated method stub
+    public void received(BuyPropertyRequest msg, int from) {
-        throw new UnsupportedOperationException("Unimplemented method");
+        Player player = playerHandler.getPlayerById(from);
+        if (player != null && state == ServerState.INGAME) {
+            PropertyField property = (PropertyField) boardManager.getFieldAtIndex(player.move(0)); // Assuming player position for property
+            
+            if (property.getOwner() == null && player.getAccountBalance() >= property.getPrice()) {
+                player.buyProperty(property);
+                property.setOwner(player);
+                player.earnMoney(-property.getPrice());
+                LOGGER.log(Level.INFO, "Player {0} bought property {1}", player.getName(), property.getName());
+            } else {
+                LOGGER.log(Level.WARNING, "Player {0} cannot buy property {1}", player.getName(), property.getName());
+            }
+        }
     }
 
+    /**
+     * Handles an EndTurn request, ending the player's turn and advancing to the next player.
+     *
+     * @param msg  the EndTurn message received from the player
+     * @param from the connection ID of the player who sent the request
+     */
+    @Override
+    public void received(EndTurn msg, int from) {
+        Player player = playerHandler.getPlayerById(from);
+        if (player != null && state == ServerState.INGAME) {
+            LOGGER.log(Level.DEBUG, "Ending turn for player {0}", player.getName());
+            playerHandler.nextPlayer();
+        }
+    }
+
+    /**
+     * Handles a PlayerReady message, marking the player as ready.
+     *
+     * @param msg  the PlayerReady message received from the player
+     * @param from the connection ID of the player who sent the request
+     */
+    @Override
+    public void received(PlayerReady msg, int from) {
+        Player player = playerHandler.getPlayerById(from);
+        if (player != null) {
+            player.setName(msg.getName());
+            player.setColor(msg.getColor());
+            player.setName(msg.getName());
+            LOGGER.log(Level.DEBUG, "Player {0} is ready", player.getName());
+        }
+    }
+
+    /**
+     * Handles a RollDice message, rolling dice for the player and moving them on the board.
+     *
+     * @param msg  the RollDice message received from the player
+     * @param from the connection ID of the player who sent the request
+     */
+    @Override
+    public void received(RollDice msg, int from) {
+        Player player = playerHandler.getPlayerById(from);
+        if (player != null && state == ServerState.INGAME) {
+            send(player, player.rollDice());
+        }
+    }
+
+    /**
+     * Handles a TradeOffer message by forwarding the trade offer to the receiving player.
+     *
+     * @param msg  the TradeOffer message received from the initiating player
+     * @param from the connection ID of the player who sent the offer
+     */
+    @Override
+    public void received(TradeOffer msg, int from) {
+        Player sender = playerHandler.getPlayerById(from);
+        Player receiver = playerHandler.getPlayerById(msg.getReceiverId());
+        
+        if (sender != null && receiver != null) {
+            LOGGER.log(Level.INFO, "Player {0} offers a trade to player {1}", sender.getName(), receiver.getName());
+            send(playerHandler.getPlayerById(msg.getReceiverId()), new TradeRequest(msg.getReceiverId(), msg.getTradeHandler()));
+        }
+    }
+
+    /**
+     * Handles a TradeResponse message by forwarding the response back to the initiating player.
+     *
+     * @param msg  the TradeResponse message received from the receiving player
+     * @param from the connection ID of the player who sent the response
+     */
+    @Override
+    public void received(TradeResponse msg, int from) {
+        Player responder = playerHandler.getPlayerById(from);
+        Player initiator = playerHandler.getPlayerById(msg.getInitiatorId());
+        
+        if (responder != null && initiator != null) {
+            LOGGER.log(Level.INFO, "Player {0} responded to trade with player {1}", responder.getName(), initiator.getName());
+            send(initiator, new TradeReply(msg.getInitiatorId(), msg.getTradeHandler()));
+        }
+    }
+
+    /**
+     * Handles a ViewAssetsRequest message, sending the player a response containing their assets.
+     *
+     * @param msg  the ViewAssetsRequest message received from the player
+     * @param from the connection ID of the player who sent the request
+     */
+    @Override
+    public void received(ViewAssetsRequest msg, int from) {
+        Player player = playerHandler.getPlayerById(from);
+        if (player != null) {
+            LOGGER.log(Level.DEBUG, "Processing ViewAssetsRequest for player {0}", player.getName());
+            
+            send(player, new ViewAssetsResponse(player.getProperties(), player.getAccountBalance(), player.getNumJailCard()));
+        }
+    }
+
+    /**
+     * Retrieves the board manager, which manages the game board.
+     *
+     * @return the BoardManager instance managing the game board
+     */
+    public BoardManager getBoardManager() {
+        return boardManager;
+    }
+
+    public Player getPlayerById(int id) {
+        return playerHandler.getPlayerById(id);
+    }
 }

Projekte/monopoly/model/src/main/java/pp/monopoly/game/server/ServerState.java

@@ -14,20 +14,20 @@ enum ServerState {
     /**
      * The server is waiting for clients to connect.
      */
-    WAIT,
+    CREATEGAME,
 
     /**
-     * The server is waiting for clients to set up their maps.
+     * The server is waiting for clients to set up their status to ready
      */
-    SET_UP,
+    LOBBY,
 
     /**
      * The battle of the game where players take turns
      */
-    BATTLE,
+    INGAME,
 
     /**
-     * The game has ended because all the players went bankrott
+     * The game has ended because all the players went bankrupt
      */
-    GAME_OVER
+    GAMEOVER
 }

Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/BuyPropertyRequest.java

@@ -0,0 +1,31 @@
+package pp.monopoly.message.client;
+
+/**
+ * Represents a request from a player to buy a property.
+ */
+public class BuyPropertyRequest extends ClientMessage{
+    private int propertyId;
+
+    /**
+     * Constructs a BuyPropertyRequest with the specified property ID.
+     *
+     * @param propertyId the ID of the property to buy
+     */
+    public BuyPropertyRequest(int propertyId) {
+        this.propertyId = propertyId;
+    }
+
+    /**
+     * Gets the ID of the property to buy.
+     *
+     * @return the property ID
+     */
+    public int getPropertyId() {
+        return propertyId;
+    }
+
+    @Override
+    public void accept(ClientInterpreter interpreter, int from) {
+        interpreter.received(this, from);
+    }
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/ClientInterpreter.java

@@ -11,5 +11,59 @@ package pp.monopoly.message.client;
  * Visitor interface for processing all client messages.
  */
 public interface ClientInterpreter {
+    /**
+     * Processes a received BuyPropertyRequest.
+     *
+     * @param msg  the BuyPropertyRequest to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(BuyPropertyRequest msg, int from);
 
+    /**
+     * Processes a received EndTurn.
+     *
+     * @param msg  the EndTurn to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(EndTurn msg, int from);
+
+    /**
+     * Processes a received PlayerReady.
+     *
+     * @param msg  the PlayerReady to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(PlayerReady msg, int from);
+
+    /**
+     * Processes a received RollDice.
+     *
+     * @param msg  the RollDice to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(RollDice msg, int from);
+
+    /**
+     * Processes a received TradeOffer.
+     *
+     * @param msg  the TradeOffer to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(TradeOffer msg, int from);
+
+    /**
+     * Processes a received TradeResponse.
+     *
+     * @param msg  the TradeResponse to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(TradeResponse msg, int from);
+
+    /**
+     * Processes a received ViewAssetsRequest.
+     *
+     * @param msg  the ViewAssetsRequest to be processed
+     * @param from the connection ID from which the message was received
+     */
+    void received(ViewAssetsRequest msg, int from);
 }

Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/EndTurn.java

@@ -0,0 +1,12 @@
+package pp.monopoly.message.client;
+/**
+ * Represents a message indicating the player wants to end their turn.
+ */
+public class EndTurn extends ClientMessage{
+
+    @Override
+    public void accept(ClientInterpreter interpreter, int from) {
+        interpreter.received(this, from);
+    }
+
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/PlayerReady.java

@@ -0,0 +1,52 @@
+package pp.monopoly.message.client;
+
+import pp.monopoly.game.server.PlayerColor;
+
+/**
+ * Represents a message indicating the player is ready to play.
+ */
+public class PlayerReady extends ClientMessage{
+    private boolean isReady;
+    private String name;
+    private PlayerColor color;
+
+    /**
+     * Constructs a PlayerReady message.
+     *
+     * @param isReady true if the player is ready, false otherwise
+     */
+    public PlayerReady(boolean isReady) {
+        this.isReady = isReady;
+    }
+
+    /**
+     * Getter for the Name
+     * @return the Name
+     */
+    public String getName() {
+        return name;
+    }
+
+    /**
+     * Getter for the Playercolor
+     * @return the Playercolor
+     */
+    public PlayerColor getColor() {
+        return color;
+    }
+
+    /**
+     * Checks if the player is ready.
+     *
+     * @return true if ready, false otherwise
+     */
+    public boolean isReady() {
+        return isReady;
+    }
+
+
+    @Override
+    public void accept(ClientInterpreter interpreter, int from) {
+        interpreter.received(this, from);
+    }
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/RollDice.java

@@ -0,0 +1,12 @@
+package pp.monopoly.message.client;
+/**
+ * Represents a message requesting to roll the dice.
+ */
+public class RollDice extends ClientMessage{
+
+    @Override
+    public void accept(ClientInterpreter interpreter, int from) {
+        interpreter.received(this, from);
+    }
+
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/TradeOffer.java

@@ -0,0 +1,32 @@
+package pp.monopoly.message.client;
+
+import pp.monopoly.model.TradeHandler;
+
+/**
+ * Represents a trade Request message from one player to another.
+ */
+public class TradeOffer extends ClientMessage{
+    private int receiverId;
+    private TradeHandler tradehandler;
+
+
+    /**
+     * Constructs a TradeOffer with the specified details.
+     *
+     * @param receiverId the ID of the player receiving the Request
+     * @param tradehandler the tradehandler
+     */
+    public TradeOffer(int receiverId, TradeHandler tradehandler) {
+        this.receiverId = receiverId;
+        this.tradehandler = tradehandler;
+    }
+
+    public int getReceiverId() { return receiverId; }
+    public TradeHandler getTradeHandler() { return tradehandler; }
+
+    @Override
+    public void accept(ClientInterpreter interpreter, int from) {
+        interpreter.received(this, from);
+    }
+
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/TradeResponse.java

@@ -0,0 +1,32 @@
+package pp.monopoly.message.client;
+
+import pp.monopoly.model.TradeHandler;
+
+/**
+ * Represents a response to a trade offer.
+ */
+public class TradeResponse extends ClientMessage{
+    private int initiatorId;
+    private TradeHandler tradeHandler;
+
+    /**
+     * Constructs a TradeResponse with the specified response details.
+     *
+     * @param initiatorId the ID of the player who initiated the trade
+     * @param accepted true if the offer is accepted, false if declined
+     */
+    public TradeResponse(int initiatorId, TradeHandler tradeHandler) {
+        this.initiatorId = initiatorId;
+        this.tradeHandler = tradeHandler;
+    }
+
+    public int getInitiatorId() { return initiatorId; }
+    public TradeHandler getTradeHandler() {
+        return tradeHandler;
+    }
+
+    @Override
+    public void accept(ClientInterpreter interpreter, int from) {
+        interpreter.received(this, from);
+    }
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/message/client/ViewAssetsRequest.java

@@ -0,0 +1,12 @@
+package pp.monopoly.message.client;
+/**
+ * Represents a request from a player to view their assets.
+ */
+public class ViewAssetsRequest extends ClientMessage{
+
+    @Override
+    public void accept(ClientInterpreter interpreter, int from) {
+        interpreter.received(this, from);
+    }
+
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/BuyPropertyResponse.java

@@ -0,0 +1,17 @@
+package pp.monopoly.message.server;
+
+public class BuyPropertyResponse extends ServerMessage{
+
+    @Override
+    public void accept(ServerInterpreter interpreter) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'accept'");
+    }
+
+    @Override
+    public String getInfoTextKey() {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'getInfoTextKey'");
+    }
+
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/DiceResult.java

@@ -0,0 +1,35 @@
+package pp.monopoly.message.server;
+
+import java.util.List;
+
+public class DiceResult extends ServerMessage{
+
+    private List<Integer> rollResult;
+
+    public DiceResult(List<Integer> rollResult) {
+        this.rollResult = rollResult;
+    }
+
+    public List<Integer> getRollResult() {
+        return rollResult;
+    }
+
+    @Override
+    public void accept(ServerInterpreter interpreter) {
+        interpreter.received(this);
+    }
+
+    @Override
+    public String getInfoTextKey() {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'getInfoTextKey'");
+    }
+
+    public boolean isDoublets() {
+        return rollResult.get(0) == rollResult.get(1);
+    }
+
+    public int calcTotal() {
+        return rollResult.get(0)+rollResult.get(1);
+    }
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/EventDrawCard.java

@@ -0,0 +1,16 @@
+package pp.monopoly.message.server;
+
+public class EventDrawCard extends ServerMessage{
+
+    @Override
+    public void accept(ServerInterpreter interpreter) {
+        interpreter.received(this);
+    }
+
+    @Override
+    public String getInfoTextKey() {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'getInfoTextKey'");
+    }
+
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/GameOver.java

@@ -0,0 +1,16 @@
+package pp.monopoly.message.server;
+
+public class GameOver extends ServerMessage{
+
+    @Override
+    public void accept(ServerInterpreter interpreter) {
+        interpreter.received(this);
+    }
+
+    @Override
+    public String getInfoTextKey() {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'getInfoTextKey'");
+    }
+
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/GameStart.java

@@ -0,0 +1,16 @@
+package pp.monopoly.message.server;
+
+public class GameStart extends ServerMessage{
+
+    @Override
+    public void accept(ServerInterpreter interpreter) {
+        interpreter.received(this);
+    }
+
+    @Override
+    public String getInfoTextKey() {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'getInfoTextKey'");
+    }
+
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/JailEvent.java

@@ -0,0 +1,16 @@
+package pp.monopoly.message.server;
+
+public class JailEvent extends ServerMessage{
+
+    @Override
+    public void accept(ServerInterpreter interpreter) {
+        interpreter.received(this);
+    }
+
+    @Override
+    public String getInfoTextKey() {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'getInfoTextKey'");
+    }
+
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/PlayerStatusUpdate.java

@@ -0,0 +1,16 @@
+package pp.monopoly.message.server;
+
+public class PlayerStatusUpdate extends ServerMessage{
+
+    @Override
+    public void accept(ServerInterpreter interpreter) {
+        interpreter.received(this);
+    }
+
+    @Override
+    public String getInfoTextKey() {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'getInfoTextKey'");
+    }
+
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/ServerInterpreter.java

@@ -13,4 +13,87 @@ package pp.monopoly.message.server;
  */
 public interface ServerInterpreter {
 
+    /**
+     * Handles a BuyPropertyResponse message received from the server.
+     *
+     * @param msg the BuyPropertyResponse message received
+     */
+    void received(BuyPropertyResponse msg);
+
+    /**
+     * Handles a DiceResult message received from the server.
+     *
+     * @param msg the DiceResult message received
+     */
+    void received(DiceResult msg);
+
+    /**
+     * Handles a EventDrawCard message received from the server.
+     *
+     * @param msg the EventDrawCard message received
+     */
+    void received(EventDrawCard msg);
+
+    /**
+     * Handles a GameOver message received from the server.
+     *
+     * @param msg the GameOver message received
+     */
+    void received(GameOver msg);
+
+    /**
+     * Handles a GameStart message received from the server.
+     *
+     * @param msg the GameStart message received
+     */
+    void received(GameStart msg);
+
+    /**
+     * Handles a JailEvent message received from the server.
+     *
+     * @param msg the JailEvent message received
+     */
+    void received(JailEvent msg);
+
+    /**
+     * Handles a PlayerStatusUpdate message received from the server.
+     *
+     * @param msg the PlayerStatusUpdate message received
+     */
+    void received(PlayerStatusUpdate msg);
+
+    /**
+     * Handles a TimeOutWarning message received from the server.
+     *
+     * @param msg the TimeOutWarning message received
+     */
+    void received(TimeOutWarning msg);
+
+    /**
+     * Handles a UpdatePlayerAssets message received from the server.
+     *
+     * @param msg the UpdatePlayerAssets message received
+     */
+    void received(UpdatePlayerAssets msg);
+
+    /**
+     * Handles a ViewAssetsResponse message received from the server.
+     *
+     * @param msg the ViewAssetsResponse message received
+     */
+    void received(ViewAssetsResponse msg);
+
+    /**
+     * Handles a TradeReply message received from the server.
+     *
+     * @param msg the TradeReply message received
+     */
+    void received(TradeReply msg);
+            
+    /**
+     * Handles a TradeRequest message received from the server.
+     *
+     * @param msg the TradeRequest message received
+     */
+    void received(TradeRequest msg);
 }

Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/TimeOutWarning.java

@@ -0,0 +1,16 @@
+package pp.monopoly.message.server;
+
+public class TimeOutWarning extends ServerMessage{
+
+    @Override
+    public void accept(ServerInterpreter interpreter) {
+        interpreter.received(this);
+    }
+
+    @Override
+    public String getInfoTextKey() {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'getInfoTextKey'");
+    }
+
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/TradeReply.java

@@ -0,0 +1,39 @@
+package pp.monopoly.message.server;
+
+import pp.monopoly.model.TradeHandler;
+
+/**
+ * Represents a response to a trade offer.
+ */
+public class TradeReply extends ServerMessage{
+    private int initiatorId;
+    private TradeHandler tradeHandler;
+
+    /**
+     * Constructs a TradeResponse with the specified response details.
+     *
+     * @param initiatorId the ID of the player who initiated the trade
+     * @param accepted true if the offer is accepted, false if declined
+     */
+    public TradeReply(int initiatorId, TradeHandler tradeHandler) {
+        this.initiatorId = initiatorId;
+        this.tradeHandler = tradeHandler;
+    }
+
+    public int getInitiatorId() { return initiatorId; }
+    public TradeHandler getTradeHandler() {
+        return tradeHandler;
+    }
+
+    @Override
+    public void accept(ServerInterpreter interpreter) {
+        interpreter.received(this);
+    }
+
+    @Override
+    public String getInfoTextKey() {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'getInfoTextKey'");
+    }
+
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/TradeRequest.java

@@ -0,0 +1,39 @@
+package pp.monopoly.message.server;
+
+import pp.monopoly.model.TradeHandler;
+
+/**
+ * Represents a trade Request message from one player to another.
+ */
+public class TradeRequest extends ServerMessage{
+    private int receiverId;
+    private TradeHandler tradehandler;
+
+
+    /**
+     * Constructs a TradeRequest with the specified details.
+     *
+     * @param receiverId the ID of the player receiving the Request
+     * @param tradehandler the tradehandler
+     */
+    public TradeRequest(int receiverId, TradeHandler tradehandler) {
+        this.receiverId = receiverId;
+        this.tradehandler = tradehandler;
+    }
+
+    public int getReceiverId() { return receiverId; }
+    public TradeHandler getTradeHandler() { return tradehandler; }
+
+
+    @Override
+    public void accept(ServerInterpreter interpreter) {
+        interpreter.received(this);
+    }
+
+    @Override
+    public String getInfoTextKey() {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'getInfoTextKey'");
+    }
+
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/UpdatePlayerAssets.java

@@ -0,0 +1,16 @@
+package pp.monopoly.message.server;
+
+public class UpdatePlayerAssets extends ServerMessage{
+
+    @Override
+    public void accept(ServerInterpreter interpreter) {
+        interpreter.received(this);
+    }
+
+    @Override
+    public String getInfoTextKey() {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'getInfoTextKey'");
+    }
+
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/message/server/ViewAssetsResponse.java

@@ -0,0 +1,50 @@
+package pp.monopoly.message.server;
+
+import java.util.List;
+
+import pp.monopoly.model.fields.PropertyField;
+/**
+ * Represents a response containing the player's assets.
+ */
+public class ViewAssetsResponse extends ServerMessage{
+
+    private List<PropertyField> properties;
+    private int accountBalance;
+    private int jailCards;
+
+    /**
+     * Constructs a ViewAssetsResponse with the specified properties and account balance.
+     *
+     * @param properties    a List of PropertyField objects representing the player's properties
+     * @param accountBalance the player's current account balance
+     */
+    public ViewAssetsResponse(List<PropertyField> properties, int accountBalance, int jailCards) {
+        this.properties = properties;
+        this.accountBalance = accountBalance;
+        this.jailCards = jailCards;
+    }
+
+    @Override
+    public void accept(ServerInterpreter interpreter) {
+        interpreter.received(this);
+    }
+
+    @Override
+    public String getInfoTextKey() {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'getInfoTextKey'");
+    }
+
+    public List<PropertyField> getProperties() {
+        return properties;
+    }
+
+    public int getAccountBalance() {
+        return accountBalance;
+    }
+
+    public int getJailCards() {
+        return jailCards;
+    }
+
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/model/CardVisitor.java

@@ -0,0 +1,7 @@
+package pp.monopoly.model;
+
+import pp.monopoly.model.card.Card;
+
+public interface CardVisitor<T> {
+    T visit(Card c);
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/model/FieldVisitor.java

@@ -0,0 +1,23 @@
+package pp.monopoly.model;
+
+import pp.monopoly.model.fields.BuildingProperty;
+import pp.monopoly.model.fields.EventField;
+import pp.monopoly.model.fields.FineField;
+import pp.monopoly.model.fields.FoodField;
+import pp.monopoly.model.fields.GateField;
+import pp.monopoly.model.fields.GoField;
+import pp.monopoly.model.fields.GulagField;
+import pp.monopoly.model.fields.TestStreckeField;
+import pp.monopoly.model.fields.WacheField;
+
+public interface FieldVisitor<T> {
+    T visit(BuildingProperty field);
+    T visit(FoodField field);
+    T visit(GateField field);
+    T visit(GulagField field);
+    T visit(TestStreckeField field);
+    T visit(EventField field);
+    T visit(WacheField field);
+    T visit(GoField field);
+    T visit(FineField field);
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/model/Figure.java

@@ -0,0 +1,17 @@
+package pp.monopoly.model;
+
+public class Figure implements Item{
+
+    @Override
+    public <T> T accept(Visitor<T> visitor) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'accept'");
+    }
+
+    @Override
+    public void accept(VoidVisitor visitor) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'accept'");
+    }
+
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/model/TradeHandler.java

@@ -0,0 +1,183 @@
+package pp.monopoly.model;
+
+import pp.monopoly.game.server.Player;
+import pp.monopoly.model.fields.PropertyField;
+
+import java.util.List;
+
+/**
+ * Helper class that handles the trade logic between two players.
+ * Manages trade initiation, validation, acceptance, and rejection involving multiple properties, money, and jail cards.
+ */
+public class TradeHandler {
+
+    /**
+     * Initiates a trade offer between two players involving properties, money, and jail cards.
+     *
+     * @param sender             the Player who is initiating the trade
+     * @param receiver           the Player who is the target of the trade offer
+     * @param offeredAmount      the amount of money the sender offers
+     * @param offeredProperties  the list of properties the sender offers
+     * @param offeredJailCards   the number of jail cards the sender offers
+     * @param requestedAmount    the amount of money the sender requests from the receiver
+     * @param requestedProperties the list of properties the sender requests from the receiver
+     * @param requestedJailCards the number of jail cards the sender requests from the receiver
+     * @return true if the trade offer is valid and initiated, false otherwise
+     */
+    public boolean initiateTrade(Player sender, Player receiver, int offeredAmount, List<PropertyField> offeredProperties,
+                                 int offeredJailCards, int requestedAmount, List<PropertyField> requestedProperties, int requestedJailCards) {
+        // Validate the trade offer
+        if (!validateTrade(sender, offeredAmount, offeredProperties, offeredJailCards, receiver, requestedAmount, requestedProperties, requestedJailCards)) {
+            System.out.println("Trade offer is invalid.");
+            return false;
+        }
+
+        // Notify the receiver about the trade offer (this would be an actual message in a real implementation)
+        System.out.println("Trade offer initiated by " + sender.getName() + " to " + receiver.getName());
+        return true;
+    }
+
+    /**
+     * Accepts the trade offer and completes the trade between two players.
+     *
+     * @param sender             the Player who initiated the trade
+     * @param receiver           the Player who accepted the trade
+     * @param offeredAmount      the amount of money to transfer from the sender to the receiver
+     * @param offeredProperties  the list of properties to transfer from the sender to the receiver
+     * @param offeredJailCards   the number of jail cards to transfer from the sender to the receiver
+     * @param requestedAmount    the amount of money to transfer from the receiver to the sender
+     * @param requestedProperties the list of properties to transfer from the receiver to the sender
+     * @param requestedJailCards the number of jail cards to transfer from the receiver to the sender
+     */
+    public void acceptTrade(Player sender, Player receiver, int offeredAmount, List<PropertyField> offeredProperties,
+                            int offeredJailCards, int requestedAmount, List<PropertyField> requestedProperties, int requestedJailCards) {
+        // Transfer money
+        sender.earnMoney(-offeredAmount);  // Deduct money from the sender
+        receiver.earnMoney(offeredAmount); // Add money to the receiver
+
+        receiver.earnMoney(-requestedAmount); // Deduct money from the receiver
+        sender.earnMoney(requestedAmount);    // Add money to the sender
+
+        // Transfer ownership of the properties from sender to receiver
+        if (offeredProperties != null) {
+            for (PropertyField property : offeredProperties) {
+                transferProperty(sender, receiver, property);
+            }
+        }
+
+        // Transfer ownership of the properties from receiver to sender
+        if (requestedProperties != null) {
+            for (PropertyField property : requestedProperties) {
+                transferProperty(receiver, sender, property);
+            }
+        }
+
+        // Transfer jail cards
+        transferJailCards(sender, receiver, offeredJailCards);
+        transferJailCards(receiver, sender, requestedJailCards);
+
+        System.out.println("Trade accepted. " + sender.getName() + " and " + receiver.getName() + " completed the trade.");
+    }
+
+    /**
+     * Rejects the trade offer.
+     *
+     * @param receiver the Player who is rejecting the trade
+     */
+    public void rejectTrade(Player receiver) {
+        System.out.println("Trade rejected by " + receiver.getName());
+    }
+
+    /**
+     * Validates a trade offer by checking if the sender and receiver own the properties involved,
+     * have sufficient funds for the money involved in the trade, and have enough jail cards.
+     *
+     * @param sender             the Player initiating the trade
+     * @param offeredAmount      the amount of money the sender is offering
+     * @param offeredProperties  the list of properties the sender is offering
+     * @param offeredJailCards   the number of jail cards the sender is offering
+     * @param receiver           the Player receiving the trade offer
+     * @param requestedAmount    the amount of money the sender is requesting
+     * @param requestedProperties the list of properties the sender is requesting from the receiver
+     * @param requestedJailCards the number of jail cards the sender is requesting from the receiver
+     * @return true if the trade offer is valid, false otherwise
+     */
+    private boolean validateTrade(Player sender, int offeredAmount, List<PropertyField> offeredProperties, int offeredJailCards,
+                                  Player receiver, int requestedAmount, List<PropertyField> requestedProperties, int requestedJailCards) {
+        // Check if sender has enough money to offer
+        if (sender.getAccountBalance() < offeredAmount) {
+            System.out.println("Sender does not have enough balance to make this offer.");
+            return false;
+        }
+
+        // Check if receiver has enough money to offer
+        if (receiver.getAccountBalance() < requestedAmount) {
+            System.out.println("Receiver does not have enough balance to fulfill requested amount.");
+            return false;
+        }
+
+        // Check if sender owns all the offered properties
+        if (offeredProperties != null) {
+            for (PropertyField property : offeredProperties) {
+                if (!sender.getProperties().contains(property)) {
+                    System.out.println("Sender does not own the property " + property.getName() + " being offered.");
+                    return false;
+                }
+            }
+        }
+
+        // Check if receiver owns all the requested properties
+        if (requestedProperties != null) {
+            for (PropertyField property : requestedProperties) {
+                if (!receiver.getProperties().contains(property)) {
+                    System.out.println("Receiver does not own the property " + property.getName() + " requested.");
+                    return false;
+                }
+            }
+        }
+
+        // Check if sender has enough jail cards to offer
+        if (sender.getNumJailCard() < offeredJailCards) {
+            System.out.println("Sender does not have enough jail cards to offer.");
+            return false;
+        }
+
+        // Check if receiver has enough jail cards to fulfill the request
+        if (receiver.getNumJailCard() < requestedJailCards) {
+            System.out.println("Receiver does not have enough jail cards to fulfill the request.");
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Transfers a property from one player to another.
+     *
+     * @param from     the Player transferring the property
+     * @param to       the Player receiving the property
+     * @param property the PropertyField being transferred
+     */
+    private void transferProperty(Player from, Player to, PropertyField property) {
+        from.sellProperty(property);
+        to.buyProperty(property);
+        property.setOwner(to); // Update the property's owner
+
+        System.out.println("Property " + property.getName() + " transferred from " + from.getName() + " to " + to.getName());
+    }
+
+    /**
+     * Transfers jail cards between players.
+     *
+     * @param from the Player transferring jail cards
+     * @param to   the Player receiving jail cards
+     * @param numCards the number of jail cards to transfer
+     */
+    private void transferJailCards(Player from, Player to, int numCards) {
+        for (int i = 0; i < numCards; i++) {
+            from.removeJailCard();
+            to.addJailCard();
+        }
+        System.out.println("Transferred " + numCards + " jail card(s) from " + from.getName() + " to " + to.getName());
+    }
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/model/card/Card.java

@@ -0,0 +1,23 @@
+package pp.monopoly.model.card;
+
+public class Card {
+    private final String description;
+    private final String keyword;
+
+    Card(String description, String keyword) {
+        this.description = description;
+        this.keyword = keyword;
+    }
+
+    public void accept(DeckHelper visitor) {
+        visitor.visit(this);
+    }
+
+    String getDescription() {
+        return description;
+    }
+
+    String getKeyword() {
+        return keyword;
+    }
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/model/card/DeckHelper.java

@@ -0,0 +1,34 @@
+package pp.monopoly.model.card;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Queue;
+
+import pp.monopoly.model.CardVisitor;
+
+public class DeckHelper implements CardVisitor<Void>{
+
+    private static Queue<Card> cards;
+
+    private DeckHelper() {
+        
+    }
+
+    @Override
+    public Void visit(Card c) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'visit'");
+    }
+
+    private void shuffle() {
+        List<Card> cardList = new ArrayList<>(cards);
+        Collections.shuffle(cardList);
+        cards.clear();
+        cards.addAll(cardList);
+    }
+
+    public static Card drawCard() {
+        return cards != null ? cards.poll() : null;
+    }
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/model/fields/BoardManager.java

@@ -0,0 +1,91 @@
+package pp.monopoly.model.fields;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.NoSuchElementException;
+
+/**
+ * Simple Manager class responsible for managing the GameBoard of Monopoly
+ */
+public class BoardManager {
+
+    private List<Field> board;
+
+    /**
+     * Constructs a BoardManager
+     */
+    public BoardManager() {
+        board = createBoard();
+    }
+
+    /**
+     * Creates a Monopoly GameBoard
+     * @return the List of Fields in correct  Order
+     */
+    private static List<Field> createBoard() {
+        ArrayList<Field> fields = new ArrayList<>();
+
+        fields.addLast(new GoField());
+        fields.addLast(new BuildingProperty("Gym", 1, 600, 20));
+        fields.addLast(new EventField("Hausfeier", 2));
+        fields.addLast(new BuildingProperty("Sportplatz", 3, 600, 40));
+        fields.addLast(new FineField("Diszi", 4, 2000));
+        fields.addLast(new GateField("Südtor", 5));
+        fields.addLast(new BuildingProperty("Studium+", 6, 1000, 60));
+        fields.addLast(new EventField("Üvas", 7));
+        fields.addLast(new BuildingProperty("PhysikHörsaal", 8, 1000, 60));
+        fields.addLast(new BuildingProperty("Audimax", 9, 1200, 80));
+        fields.addLast(new GulagField());
+        fields.addLast(new BuildingProperty("99er", 11, 1400, 100));
+        fields.addLast(new FoodField("Brandl", 12));
+        fields.addLast(new BuildingProperty("12er", 13, 1400, 100));
+        fields.addLast(new BuildingProperty("23er", 14, 1600, 120));
+        fields.addLast(new GateField("HauptWache", 15));
+        fields.addLast(new BuildingProperty("Schwimmhalle", 16, 1800, 140));
+        fields.addLast(new BuildingProperty("CISM-Bahn", 17, 1800, 140));
+        fields.addLast(new EventField("Marine-Welcome-Party", 18));
+        fields.addLast(new BuildingProperty("Kletterturm", 19, 2000, 160));
+        fields.addLast(new TestStreckeField());
+        fields.addLast(new BuildingProperty("StudFBer C", 21, 2200, 180));
+        fields.addLast(new EventField("Üvas", 22));
+        fields.addLast(new BuildingProperty("StudFBer B", 23, 2200, 180));
+        fields.addLast(new BuildingProperty("StudFBer A", 24, 2400, 200));
+        fields.addLast(new GateField("Nordtor", 25));
+        fields.addLast(new BuildingProperty("Cascada", 26, 2600, 220));
+        fields.addLast(new BuildingProperty("Fakultätsgebäude", 27, 2600, 220));
+        fields.addLast(new FoodField("Truppenküche", 28));
+        fields.addLast(new BuildingProperty("Prüfungsamt", 29, 2800, 240));
+        fields.addLast(new WacheField());
+        fields.addLast(new BuildingProperty("Feuerwehr", 31, 3000, 260));
+        fields.addLast(new BuildingProperty("SanZ", 32, 300, 260));
+        fields.addLast(new EventField("Maibock", 33));
+        fields.addLast(new BuildingProperty("Rechenzentrum", 34, 3200, 280));
+        fields.addLast(new GateField("Osttor", 35));
+        fields.addLast(new EventField("Üvas", 36));
+        fields.addLast(new BuildingProperty("2er", 37, 3500, 350));
+        fields.addLast(new FineField("EZM", 38, 1000));
+        fields.addLast(new BuildingProperty("20er", 39, 4000, 500));
+
+        return fields;
+    }
+
+
+    /**
+     * Method to find the Field at specific index
+     * @param index the index for which to find the field
+     * @return the field at the index
+     */
+    public Field getFieldAtIndex(int index) {
+        return board.get(index);
+    }
+
+    /**
+     * Method to find the index of a Monopoly field
+     * @param field the Field to get the Index of
+     * @return the Index of the field
+     */
+    public int getIndexOfField(Field field) {
+        if (board.contains(field)) return field.getId();
+        else throw new NoSuchElementException();
+    }
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/model/fields/BuildingProperty.java

@@ -0,0 +1,70 @@
+package pp.monopoly.model.fields;
+
+import pp.monopoly.game.server.Player;
+
+public class BuildingProperty extends PropertyField {
+
+    private int houses;
+    private boolean hotel = false;
+
+    BuildingProperty(String name, int id, int price, int rent) {
+        super(name, id, price, rent);
+    }
+
+    @Override
+    public int calcRent() {
+        if (hotel) {
+            return (int) Math.round(rent*70/10)*10;
+        }
+        switch (houses) {
+            case 1:
+                return (int) Math.round(rent*5/10)*10;
+            case 2:
+                return (int) Math.round(rent*15/10)*10;
+            case 3:
+                return (int) Math.round(rent*40/10)*10;
+            case 4:
+            return (int) Math.round(rent*55/10)*10;
+
+            default:
+                return rent;
+        }
+    }
+
+    public boolean buildHouse() {
+        if (houses < 4) {
+            houses++;
+            return true;
+        }
+        return false;
+    }
+
+    public boolean buildHotel() {
+        if (hotel) {
+            return false;
+        }
+        hotel = true;
+        return true;
+    }
+    
+    public boolean removeHouse() {
+        if (houses == 0) {
+            return false;
+        }
+        houses--;
+        return true;
+    }
+
+    public boolean removeHotel() {
+        if (!hotel) {
+            return false;
+        }
+        hotel = false;
+        return true;
+    }
+
+    @Override
+    public void accept(Player player) {
+        player.visit(this);
+    }
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/model/fields/EventField.java

@@ -0,0 +1,23 @@
+package pp.monopoly.model.fields;
+
+
+import pp.monopoly.game.server.Player;
+import pp.monopoly.model.card.Card;
+import pp.monopoly.model.card.DeckHelper;
+
+public class EventField extends Field{
+
+    public EventField(String name, int id) {
+        super(name, id);
+    }
+
+    @Override
+    public void accept(Player player) {
+        player.visit(this);
+    }
+
+    public Card drawCard() {
+        return DeckHelper.drawCard();
+    }
+
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/model/fields/Field.java

@@ -0,0 +1,23 @@
+package pp.monopoly.model.fields;
+
+import pp.monopoly.game.server.Player;
+
+abstract class Field {
+    protected final String name;
+    protected final int id;
+
+    protected Field(String name, int id) {
+        this.name = name;
+        this.id= id;
+    }
+
+    public abstract void accept(Player player);
+
+    public int getId() {
+        return id;
+    }
+
+    public String getName() {
+        return name;
+    }
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/model/fields/FineField.java

@@ -0,0 +1,23 @@
+package pp.monopoly.model.fields;
+
+import pp.monopoly.game.server.Player;
+
+public class FineField extends Field{
+
+    private final int fine;
+
+    FineField(String name, int id, int fine) {
+        super(name, id);
+        this.fine = fine;
+    }
+
+    public int getFine() {
+        return fine;
+    }
+
+    @Override
+    public void accept(Player player) {
+        player.visit(this);
+    }
+
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/model/fields/FoodField.java

@@ -0,0 +1,20 @@
+package pp.monopoly.model.fields;
+
+import pp.monopoly.game.server.Player;
+
+public class FoodField extends PropertyField {
+
+    public FoodField(String name, int id) {
+        super(name, id, 1500,0);
+    }
+
+    @Override
+    public int calcRent() {
+        return 0;
+    }
+
+    @Override
+    public void accept(Player player) {
+        player.visit(this);
+    }
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/model/fields/GateField.java

@@ -0,0 +1,21 @@
+package pp.monopoly.model.fields;
+
+import pp.monopoly.game.server.Player;
+
+public class GateField extends PropertyField{
+
+    GateField(String name, int id) {
+        super(name, id, 2000, 25);
+    }
+
+    @Override
+    public int calcRent() {
+        return rent;
+    }
+
+    @Override
+    public void accept(Player player) {
+        player.visit(this);
+    }
+    
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/model/fields/GoField.java

@@ -0,0 +1,15 @@
+package pp.monopoly.model.fields;
+
+import pp.monopoly.game.server.Player;
+
+public class GoField extends Field{
+
+    public GoField() {
+        super("Monatsgehalt", 0);
+    }
+
+    @Override
+    public void accept(Player player) {
+        player.visit(this);
+    }
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/model/fields/GulagField.java

@@ -0,0 +1,18 @@
+package pp.monopoly.model.fields;
+
+import pp.monopoly.game.server.Player;
+
+public class GulagField extends Field{
+
+    private int bailCost = 500;
+
+    GulagField() {
+        super("Gulag", 10);
+    }
+
+    @Override
+    public void accept(Player player) {
+        player.visit(this);
+    }
+
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/model/fields/PropertyField.java

@@ -0,0 +1,92 @@
+package pp.monopoly.model.fields;
+
+import pp.monopoly.game.server.Player;
+
+/**
+ * Represents an abstract property field in the Monopoly game.
+ * Contains attributes related to ownership, price, rent, and mortgage status.
+ */
+public abstract class PropertyField extends Field {
+
+    private final int price;
+    protected final int rent;
+    private Player owner;
+    private boolean mortgaged = false;
+
+    /**
+     * Constructs a PropertyField with the specified name, ID, price, and rent.
+     *
+     * @param name  the name of the property
+     * @param id    the unique identifier for the property
+     * @param price the purchase price of the property
+     * @param rent  the base rent for the property
+     */
+    protected PropertyField(String name, int id, int price, int rent) {
+        super(name, id);
+        this.price = price;
+        this.rent = rent;
+    }
+
+    /**
+     * Calculates the rent for this property.
+     * The calculation may depend on various factors specific to property type.
+     *
+     * @return the calculated rent for this property
+     */
+    public abstract int calcRent();
+
+    /**
+     * Gets the purchase price of the property.
+     *
+     * @return the price of the property
+     */
+    public int getPrice() {
+        return price;
+    }
+
+    /**
+     * Gets the mortgage value (hypothecary value) of the property.
+     * Typically, this is half of the property price.
+     *
+     * @return the mortgage value of the property
+     */
+    public int getHypo() {
+        return price / 2;
+    }
+
+    /**
+     * Gets the owner of the property.
+     *
+     * @return the Player who owns the property, or null if the property is unowned
+     */
+    public Player getOwner() {
+        return owner;
+    }
+
+    /**
+     * Sets the owner of the property.
+     *
+     * @param player the Player who will own this property
+     */
+    public void setOwner(Player player) {
+        owner = player;
+    }
+
+    /**
+     * Checks if the property is currently mortgaged.
+     *
+     * @return true if the property is mortgaged, false otherwise
+     */
+    public boolean isMortgaged() {
+        return mortgaged;
+    }
+
+    /**
+     * Sets the mortgage status of the property.
+     *
+     * @param mortgaged true to mark the property as mortgaged, false to unmark it
+     */
+    public void setMortgaged(boolean mortgaged) {
+        this.mortgaged = mortgaged;
+    }
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/model/fields/TestStreckeField.java

@@ -0,0 +1,24 @@
+package pp.monopoly.model.fields;
+
+import pp.monopoly.game.server.Player;
+
+public class TestStreckeField extends Field{
+    private int money;
+
+    TestStreckeField() {
+        super("Teststrecke", 20);
+    }
+
+    @Override
+    public void accept(Player player) {
+        player.visit(this);
+    }
+
+    public void addMoney(int amount) {
+        money += amount;
+    }
+
+    public int collectMoney() {
+        return money = 0;
+    }
+}

Projekte/monopoly/model/src/main/java/pp/monopoly/model/fields/WacheField.java

@@ -0,0 +1,16 @@
+package pp.monopoly.model.fields;
+
+import pp.monopoly.game.server.Player;
+
+public class WacheField extends Field{
+
+    public WacheField() {
+        super("Wache", 30);
+    }
+
+    @Override
+    public void accept(Player player) {
+        player.visit(this);
+    }
+ 
+}

Projekte/monopoly/model/src/test/java/pp/monopoly/Testhandbuch.java

@@ -0,0 +1,385 @@
+package pp.monopoly;
+import org.junit.Test;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.assertEquals;
+public class Testhandbuch {
+
+
+
+
+
+        // T001 UC-game-01 - testStartApplication
+        @Test
+        public void testStartApplication() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            MainMenu mainMenu = app.getStateManager().getState(MainMenu.class);
+            assertNotNull(mainMenu);
+        }
+
+        // T002 UC-game-02 - testOpenStartMenu
+        @Test
+        public void testOpenStartMenu() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            MainMenu mainMenu = app.getStateManager().getState(MainMenu.class);
+            mainMenu.showMenu();
+            assertTrue(mainMenu.isMenuVisible());
+        }
+
+        // T003 UC-game-03 - testNavigateToPlayOption
+        @Test
+        public void testNavigateToPlayOption() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            MainMenu mainMenu = app.getStateManager().getState(MainMenu.class);
+            mainMenu.showMenu();
+            mainMenu.startNewGame();
+            NewGameMenu newGameMenu = app.getStateManager().getState(NewGameMenu.class);
+            assertNotNull(newGameMenu);
+        }
+
+        // T004 UC-game-04 - testExitApplicationFromMenu
+        @Test
+        public void testExitApplicationFromMenu() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            MainMenu mainMenu = app.getStateManager().getState(MainMenu.class);
+            mainMenu.showMenu();
+            mainMenu.exitGame();
+            assertTrue(app.isClosed());
+        }
+
+        // T005 UC-game-05 - testOpenSettingsFromMenu
+        @Test
+        public void testOpenSettingsFromMenu() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            MainMenu mainMenu = app.getStateManager().getState(MainMenu.class);
+            mainMenu.showMenu();
+            mainMenu.openSettings();
+            SettingMenu settingMenu = app.getStateManager().getState(SettingMenu.class);
+            assertNotNull(settingMenu);
+        }
+
+        // T006 UC-game-06 - testOpenGameMenuWithESC
+        @Test
+        public void testOpenGameMenuWithESC() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            app.simpleUpdate(0.1f);
+            GameMenu gameMenu = app.getStateManager().getState(GameMenu.class);
+            assertTrue(gameMenu.isVisible());
+        }
+
+        // T007 UC-game-07 - testEnterHostName
+        @Test
+        public void testEnterHostName() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            NewGameMenu newGameMenu = app.getStateManager().getState(NewGameMenu.class);
+            newGameMenu.showMenu();
+            newGameMenu.enterHostName("localhost");
+            assertEquals("localhost", newGameMenu.getHostName());
+        }
+
+        // T008 UC-game-07 - testEnterPortNumber
+        @Test
+        public void testEnterPortNumber() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            NewGameMenu newGameMenu = app.getStateManager().getState(NewGameMenu.class);
+            newGameMenu.showMenu();
+            newGameMenu.enterPortNumber(12345);
+            assertEquals(12345, newGameMenu.getPortNumber());
+        }
+
+        // T009 UC-game-07 - testCancelGameCreation
+        @Test
+        public void testCancelGameCreation() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            NewGameMenu newGameMenu = app.getStateManager().getState(NewGameMenu.class);
+            newGameMenu.showMenu();
+            newGameMenu.cancel();
+            MainMenu mainMenu = app.getStateManager().getState(MainMenu.class);
+            assertTrue(mainMenu.isMenuVisible());
+        }
+
+        // T010 UC-game-08 - testEnterPlayerLobby
+        @Test
+        public void testEnterPlayerLobby() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            app.getStateManager().getState(NetworkDialog.class).connect();
+            Lobby lobby = app.getStateManager().getState(Lobby.class);
+            assertNotNull(lobby);
+        }
+
+        // T011 UC-game-09 - testEnterStartingCapital
+        @Test
+        public void testEnterStartingCapital() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            NewGameMenu newGameMenu = app.getStateManager().getState(NewGameMenu.class);
+            newGameMenu.showMenu();
+            newGameMenu.enterStartingCapital(1500);
+            assertEquals(1500, newGameMenu.getStartingCapital());
+        }
+
+        // T012 UC-game-09 - testIncreaseStartingCapital
+        @Test
+        public void testIncreaseStartingCapital() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            NewGameMenu newGameMenu = app.getStateManager().getState(NewGameMenu.class);
+            newGameMenu.showMenu();
+            newGameMenu.enterStartingCapital(1500);
+            newGameMenu.increaseStartingCapital(100);
+            assertEquals(1600, newGameMenu.getStartingCapital());
+        }
+
+        // T013 UC-game-09 - testDecreaseStartingCapital
+        @Test
+        public void testDecreaseStartingCapital() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            NewGameMenu newGameMenu = app.getStateManager().getState(NewGameMenu.class);
+            newGameMenu.showMenu();
+            newGameMenu.enterStartingCapital(1500);
+            newGameMenu.decreaseStartingCapital(100);
+            assertEquals(1400, newGameMenu.getStartingCapital());
+        }
+
+        // T014 UC-game-10 - testDefaultPlayerName
+        @Test
+        public void testDefaultPlayerName() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            app.getStateManager().getState(Lobby.class).initializePlayerNames();
+            assertEquals("Spieler 1", app.getStateManager().getState(Lobby.class).getPlayerName(0));
+            assertEquals("Spieler 2", app.getStateManager().getState(Lobby.class).getPlayerName(1));
+        }
+
+        // T015 UC-game-11 - testEnterDisplayName
+        @Test
+        public void testEnterDisplayName() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            Lobby lobby = app.getStateManager().getState(Lobby.class);
+            lobby.enterDisplayName("TestPlayer");
+            assertEquals("TestPlayer", lobby.getPlayerName(0));
+        }
+
+        // T016 UC-game-11 - testDuplicateNameEntry
+        @Test
+        public void testDuplicateNameEntry() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            Lobby lobby = app.getStateManager().getState(Lobby.class);
+            lobby.enterDisplayName("Player1");
+            assertTrue(lobby.isDuplicateName("Player1"));
+        }
+
+        // T017 UC-game-12 - testSelectPlayerColor
+        @Test
+        public void testSelectPlayerColor() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            Lobby lobby = app.getStateManager().getState(Lobby.class);
+            lobby.selectColor("Red");
+            assertEquals("Red", lobby.getPlayerColor(0));
+        }
+
+        // T018 UC-game-12 - testSelectOccupiedColor
+        @Test
+        public void testSelectOccupiedColor() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            Lobby lobby = app.getStateManager().getState(Lobby.class);
+            lobby.selectColor("Red");
+            assertTrue(lobby.isColorOccupied("Red"));
+        }
+
+        // T019 UC-game-13 - testSelectPlayerToken
+        @Test
+        public void testSelectPlayerToken() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            Lobby lobby = app.getStateManager().getState(Lobby.class);
+            lobby.selectToken("Ship");
+            assertEquals("Ship", lobby.getPlayerToken(0));
+        }
+
+        // T020 UC-game-13 - testSelectOccupiedToken
+        @Test
+        public void testSelectOccupiedToken() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            Lobby lobby = app.getStateManager().getState(Lobby.class);
+            lobby.selectToken("Ship");
+            assertTrue(lobby.isTokenOccupied("Ship"));
+        }
+
+        // T021 UC-game-14 - testCancelPlayerLobby
+        @Test
+        public void testCancelPlayerLobby() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            Lobby lobby = app.getStateManager().getState(Lobby.class);
+            lobby.cancel();
+            MainMenu mainMenu = app.getStateManager().getState(MainMenu.class);
+            assertTrue(mainMenu.isMenuVisible());
+        }
+
+        // T022 UC-game-15 - testOpenLobbyMenuWithESC
+        @Test
+        public void testOpenLobbyMenuWithESC() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            app.simpleUpdate(0.1f);
+            LobbyMenu lobbyMenu = app.getStateManager().getState(LobbyMenu.class);
+            assertTrue(lobbyMenu.isVisible());
+        }
+
+        // T023 UC-game-16 - testPlayerReadyConfirmation
+        @Test
+        public void testPlayerReadyConfirmation() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            Lobby lobby = app.getStateManager().getState(Lobby.class);
+            lobby.setPlayerReady(true);
+            assertTrue(lobby.isPlayerReady(0));
+        }
+
+        // T024 UC-game-17 - testStartGame
+        @Test
+        public void testStartGame() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            Lobby lobby = app.getStateManager().getState(Lobby.class);
+            lobby.startGame();
+            assertEquals(GameState.InGame, lobby.getGameState());
+        }
+
+        // T025 UC-game-18 - testPlayerMovement
+        @Test
+        public void testPlayerMovement() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            Game game = app.getStateManager().getState(Game.class);
+            Player player = game.getPlayer(0);
+            player.move(5);
+            assertEquals(5, player.getPosition());
+        }
+
+        // T026 UC-game-19 - testPurchaseProperty
+        @Test
+        public void testPurchaseProperty() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            Game game = app.getStateManager().getState(Game.class);
+            Player player = game.getPlayer(0);
+            Property property = game.getProperty(0);
+            player.buyProperty(property);
+            assertTrue(player.getProperties().contains(property));
+        }
+
+        // T027 UC-game-20 - testMovePlayerOnDiceRoll
+        @Test
+        public void testMovePlayerOnDiceRoll() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            Game game = app.getStateManager().getState(Game.class);
+            Player player = game.getPlayer(0);
+            int initialPosition = player.getPosition();
+            player.rollDice();
+            assertTrue(player.getPosition() > initialPosition);
+        }
+
+        // T028 UC-game-21 - testPassGo
+        @Test
+        public void testPassGo() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            Game game = app.getStateManager().getState(Game.class);
+            Player player = game.getPlayer(0);
+            player.move(40);  // Assuming 40 steps moves player to Go
+            assertTrue(player.passedGo());
+        }
+
+        // T029 UC-game-22 - testCollectMoneyFromGo
+        @Test
+        public void testCollectMoneyFromGo() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            Game game = app.getStateManager().getState(Game.class);
+            Player player = game.getPlayer(0);
+            int initialBalance = player.getBalance();
+            player.move(40);  // Move to Go
+            assertTrue(player.getBalance() > initialBalance);
+        }
+
+        // T030 UC-game-23 - testPayRent
+        @Test
+        public void testPayRent() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            Game game = app.getStateManager().getState(Game.class);
+            Player player = game.getPlayer(0);
+            PropertyField property = (PropertyField) game.getField(1);
+            player.move(1);
+            int initialBalance = player.getBalance();
+            player.payRent(property);
+            assertTrue(player.getBalance() < initialBalance);
+        }
+
+        // T031 UC-game-24 - testDeclareBankruptcy
+        @Test
+        public void testDeclareBankruptcy() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            Game game = app.getStateManager().getState(Game.class);
+            Player player = game.getPlayer(0);
+            player.declareBankruptcy();
+            assertEquals(PlayerState.Bankrupt, player.getState());
+        }
+
+        // T032 UC-game-25 - testTradeProperty
+        @Test
+        public void testTradeProperty() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            Game game = app.getStateManager().getState(Game.class);
+            Player player1 = game.getPlayer(0);
+            Player player2 = game.getPlayer(1);
+            Property property = game.getProperty(0);
+            player1.offerTrade(player2, property);
+            assertTrue(player2.hasProperty(property));
+        }
+
+        // T033 UC-game-26 - testGameOverCondition
+        @Test
+        public void testGameOverCondition() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            Game game = app.getStateManager().getState(Game.class);
+            Player player = game.getPlayer(0);
+            player.declareBankruptcy();
+            assertTrue(game.isGameOver());
+        }
+
+        // T034 UC-game-27 - testPlayerInJail
+        @Test
+        public void testPlayerInJail() {
+            MonopolyApp app = new MonopolyApp();
+            app.simpleInitApp();
+            Game game = app.getStateManager().getState(Game.class);
+            Player player = game.getPlayer(0);
+            game.sendToJail(player);
+            assertEquals(PlayerState.InJail, player.getState());
+        }
+    }
+
+

Projekte/monopoly/model/src/test/java/pp/monopoly/client/ClientLogicTest.java

@@ -1,7 +1,161 @@
 package pp.monopoly.client;
 
+import com.jme3.input.KeyInput;
+import com.jme3.scene.Spatial;
+import com.simsilica.lemur.Button;
+import org.junit.Before;
 import org.junit.Test;
 
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+
 public class ClientLogicTest {
 
+    private MonopolyApp app;
+
+    @Before
+    public void setUp() {
+        app = new MonopolyApp();
+        app.simpleInitApp();
+    }
+
+    @Test
+    // T001: UC-game-01 - Überprüft, ob die Anwendung erfolgreich gestartet wird und das Hauptmenü angezeigt wird
+    public void testStartApplication() {
+        Spatial mainMenu = app.getGuiNode().getChild("MainMenu");
+        assertNotNull("Das Hauptmenü sollte sichtbar sein", mainMenu);
+    }
+/*
+    @Test
+    // T002: UC-game-02 - Überprüft, ob das Startmenü nach dem Start der Anwendung angezeigt wird
+    public void testOpenStartMenu() {
+        Spatial startMenu = app.getGuiNode().getChild("StartMenu");
+        assertNotNull("Das Startmenü sollte sichtbar sein", startMenu);
+    }
+*/
+@Test
+// T002: UC-game-02 - Überprüft, ob das Startmenü (MainMenu) angezeigt wird und die Buttons korrekt funktionieren
+public void testMainMenuButtons() {
+    Spatial mainMenu = app.getGuiNode().getChild("MainMenu");
+    assertNotNull("Das Hauptmenü (MainMenu) sollte sichtbar sein", mainMenu);
+
+    Spatial playButtonSpatial = app.getGuiNode().getChild("PlayButton");
+    assertNotNull("Der 'Spielen'-Button sollte existieren", playButtonSpatial);
+
+    Spatial settingsButtonSpatial = app.getGuiNode().getChild("SettingsButton");
+    assertNotNull("Der 'Einstellungen'-Button sollte existieren", settingsButtonSpatial);
+
+    Spatial exitButtonSpatial = app.getGuiNode().getChild("ExitButton");
+    assertNotNull("Der 'Spiel beenden'-Button sollte existieren", exitButtonSpatial);
+
+    // Optional: Überprüfung der Funktionalität (Simulation von Button-Klicks)
+    if (playButtonSpatial instanceof Button) {
+        Button playButton = (Button) playButtonSpatial;
+        playButton.click();
+
+        Spatial newGameMenu = app.getGuiNode().getChild("NewGameMenu");
+        assertNotNull("Das Spielerstellungsmenü sollte nach dem Klicken auf 'Spielen' sichtbar sein", newGameMenu);
+    } else {
+        throw new AssertionError("'PlayButton' ist kein Button-Objekt.");
+    }
+
+    if (settingsButtonSpatial instanceof Button) {
+        Button settingsButton = (Button) settingsButtonSpatial;
+        settingsButton.click();
+
+        Spatial settingsMenu = app.getGuiNode().getChild("SettingsMenu");
+        assertNotNull("Das Einstellungsmenü sollte nach dem Klicken auf 'Einstellungen' sichtbar sein", settingsMenu);
+    } else {
+        throw new AssertionError("'SettingsButton' ist kein Button-Objekt.");
+    }
+
+    if (exitButtonSpatial instanceof Button) {
+        Button exitButton = (Button) exitButtonSpatial;
+        exitButton.click();
+
+        Spatial mainMenuAfterExit = app.getGuiNode().getChild("MainMenu");
+        assertNull("Das Hauptmenü sollte nach dem Klicken auf 'Spiel beenden' nicht mehr sichtbar sein", mainMenuAfterExit);
+    } else {
+        throw new AssertionError("'ExitButton' ist kein Button-Objekt.");
+    }
+}
+    @Test
+    // T003: UC-game-03 - Überprüft, ob der „Spiel starten“-Button das Spielerstellungsmenü öffnet
+    public void testNavigateToPlayOption() {
+        Spatial startGameButtonSpatial = app.getGuiNode().getChild("StartGameButton");
+        assertNotNull("Der 'Spiel starten'-Button sollte existieren", startGameButtonSpatial);
+
+        if (startGameButtonSpatial instanceof Button) {
+            Button startGameButton = (Button) startGameButtonSpatial;
+            startGameButton.click();
+
+            Spatial newGameMenu = app.getGuiNode().getChild("NewGameMenu");
+            assertNotNull("Das Spielerstellungsmenü sollte sichtbar sein", newGameMenu);
+        } else {
+            throw new AssertionError("'StartGameButton' ist kein Button-Objekt.");
+        }
+    }
+
+    @Test
+    // T004: UC-game-04 - Testet, ob die Anwendung geschlossen wird, wenn „Beenden“ im Hauptmenü gewählt wird
+    public void testExitApplicationFromMenu() {
+        Spatial exitButtonSpatial = app.getGuiNode().getChild("ExitButton");
+        assertNotNull("Der 'Beenden'-Button sollte existieren", exitButtonSpatial);
+
+        if (exitButtonSpatial instanceof Button) {
+            Button exitButton = (Button) exitButtonSpatial;
+            exitButton.click();
+
+            Spatial mainMenuAfterExit = app.getGuiNode().getChild("MainMenu");
+            assertNull("Das Hauptmenü sollte nach dem Beenden nicht mehr sichtbar sein", mainMenuAfterExit);
+        } else {
+            throw new AssertionError("'ExitButton' ist kein Button-Objekt.");
+        }
+    }
+
+    @Test
+    // T005: UC-game-05 - Überprüft, ob das Einstellungen-Menü aus dem Hauptmenü aufgerufen werden kann
+    public void testOpenSettingsFromMenu() {
+        Spatial settingsButtonSpatial = app.getGuiNode().getChild("SettingsButton");
+        assertNotNull("Der 'Einstellungen'-Button sollte existieren", settingsButtonSpatial);
+
+        if (settingsButtonSpatial instanceof Button) {
+            Button settingsButton = (Button) settingsButtonSpatial;
+            settingsButton.click();
+
+            Spatial settingsMenu = app.getGuiNode().getChild("SettingsMenu");
+            assertNotNull("Das Einstellungsmenü sollte sichtbar sein", settingsMenu);
+        } else {
+            throw new AssertionError("'SettingsButton' ist kein Button-Objekt.");
+        }
+    }
+
+    @Test
+    // T006: UC-game-06 - Testet, ob das Spielmenü geöffnet wird, wenn der Spieler im Spiel „ESC“ drückt
+    public void testOpenGameMenuWithESC() {
+        app.escape(true); // Simuliert das Drücken der ESC-Taste
+
+        Spatial gameMenu = app.getGuiNode().getChild("GameMenu");
+        assertNotNull("Das Spielmenü sollte nach Drücken von ESC sichtbar sein", gameMenu);
+
+        app.escape(false); // Simuliert das Loslassen der ESC-Taste
+    }
+
+
+    @Test
+    // T083: UC-menu-05 - Überprüfen, ob der Spieler erfolgreich ins Spiel zurückkehren kann
+    public void testReturnToGame() {
+        Spatial returnButtonSpatial = app.getGuiNode().getChild("ReturnButton");
+        assertNotNull("Der 'Zurück'-Button sollte existieren", returnButtonSpatial);
+
+        if (returnButtonSpatial instanceof Button) {
+            Button returnButton = (Button) returnButtonSpatial;
+            returnButton.click();
+
+            Spatial gameScene = app.getGuiNode().getChild("GameScene");
+            assertNotNull("Die Spielszene sollte nach dem Klick auf 'Zurück' sichtbar sein", gameScene);
+        } else {
+            throw new AssertionError("'ReturnButton' ist kein Button-Objekt.");
+        }
+    }
 }

Projekte/monopoly/model/src/test/java/pp/monopoly/game/client/ClientGameLogicTest.java

@@ -1,20 +1,606 @@
-////////////////////////////////////////
-// Programming project code
-// UniBw M, 2022, 2023, 2024
-// www.unibw.de/inf2
-// (c) Mark Minas (mark.minas@unibw.de)
-////////////////////////////////////////
-
 package pp.monopoly.game.client;
 
+import com.jme3.scene.Spatial;
+import com.simsilica.lemur.Button;
+import com.simsilica.lemur.TextField;
 import org.junit.Before;
 import org.junit.Test;
-
+import pp.monopoly.client.MonopolyApp;
+import pp.monopoly.game.server.Player;
+import pp.monopoly.message.server.DiceResult;
+import pp.monopoly.notification.ClientStateEvent;
 
 import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertTrue;
 
 public class ClientGameLogicTest {
 
+    private MonopolyApp app;
+
+    private MonopolyApp app;
+    private NewGameMenu newGameMenu;
+
+    @Before
+    public void setUp() {
+        app = new MonopolyApp();
+        app.simpleInitApp(); // Initialisiert die App mit GUI und Spielzuständen
+        newGameMenu = new NewGameMenu();
     }
+
+    @Test
+    // T006: UC-game-06 - Testet, ob das Spielmenü geöffnet wird, wenn der Spieler im Spiel „ESC“ drückt
+    public void testOpenGameMenuWithESC() {
+        app.escape(true); // Simuliert das Drücken der ESC-Taste
+
+        Spatial gameMenu = app.getGuiNode().getChild("GameMenu");
+        assertNotNull("Das Spielmenü sollte sichtbar sein, nachdem ESC gedrückt wurde", gameMenu);
+    }
+
+    @Test
+    // T007: UC-game-07 - Testet, ob der Spieler erfolgreich den Namen des Hosts eingeben kann
+    public void testEnterHostName() {
+        Spatial hostNameField = app.getGuiNode().getChild("HostNameField");
+        assertNotNull("Das Eingabefeld für den Hostnamen sollte sichtbar sein", hostNameField);
+
+        if (hostNameField instanceof TextField) {
+            TextField hostNameInput = (TextField) hostNameField;
+            hostNameInput.setText("TestHost");
+
+            assertEquals("Der eingegebene Hostname sollte 'TestHost' sein", "TestHost", hostNameInput.getText());
+        }
+        else {
+            throw new AssertionError("'HostNameField' ist kein TextField-Objekt.");
+        }
+    }
+
+    @Test
+    // T008: UC-game-08 - Testet, ob der Spieler die Portnummer des Hosts eingeben kann
+    public void testEnterPortNumber() {
+        Spatial portNumberField = app.getGuiNode().getChild("PortNumberField");
+        assertNotNull("Das Eingabefeld für die Portnummer sollte sichtbar sein", portNumberField);
+
+        if (portNumberField instanceof TextField) {
+            TextField portNumberInput = (TextField) portNumberField;
+            portNumberInput.setText("12345");
+
+            assertEquals("Die eingegebene Portnummer sollte '12345' sein", "12345", portNumberInput.getText());
+        }
+        else {
+            throw new AssertionError("'PortNumberField' ist kein TextField-Objekt.");
+        }
+    }
+
+    @Test
+    // T009: UC-game-09 - Testet, ob der Spieler das Erstellen eines Spiels abbrechen kann
+    public void testCancelGameCreation() {
+        Spatial cancelButtonSpatial = app.getGuiNode().getChild("CancelButton");
+        assertNotNull("Der 'Abbrechen'-Button sollte existieren", cancelButtonSpatial);
+
+        if (cancelButtonSpatial instanceof Button) {
+            Button cancelButton = (Button) cancelButtonSpatial;
+            cancelButton.click();
+
+            Spatial mainMenu = app.getGuiNode().getChild("MainMenu");
+            assertNotNull("Das Hauptmenü sollte nach dem Abbrechen des Spiels sichtbar sein", mainMenu);
+        }
+        else {
+            throw new AssertionError("'CancelButton' ist kein Button-Objekt.");
+        }
+    }
+
+    /*
+        @Test
+        // T010: UC-game-10 - Testet, ob der Spieler die Spielerlobby betreten kann
+        public void testEnterPlayerLobby() {
+            app.receivedEvent(new pp.monopoly.notification.ClientStateEvent(pp.monopoly.notification.ClientStateEvent.State.LOBBY));
+
+            Spatial playerLobby = app.getGuiNode().getChild("PlayerLobby");
+            assertNotNull("Die Spielerlobby sollte nach dem Beitritt sichtbar sein", playerLobby);
+        }
+
+
+        @Test
+        // T010: UC-game-10 - Testet, ob der Spieler die Spielerlobby betreten kann
+        public void testEnterPlayerLobby() {
+            // Simuliert den Empfang eines ClientStateEvent für den Lobby-State
+            app.receivedEvent(new ClientStateEvent(ClientStateEvent.State.LOBBY));
+
+            // Überprüft, ob das Lobby-UI sichtbar ist
+            Spatial playerLobby = app.getGuiNode().getChild("PlayerLobby");
+            assertNotNull("Die Spielerlobby sollte nach dem Beitritt sichtbar sein", playerLobby);
+    */
+    @Test
+    // T011: UC-game-11 - Testet, ob der hostende Spieler einen Startbetrag eingeben kann
+    public void testEnterStartingCapital() {
+        Spatial startingCapitalField = app.getGuiNode().getChild("StartingCapitalField");
+        assertNotNull("Das Eingabefeld für den Startbetrag sollte existieren", startingCapitalField);
+
+        if (startingCapitalField instanceof TextField) {
+            TextField startingCapitalInput = (TextField) startingCapitalField;
+            startingCapitalInput.setText("1500");
+
+            assertEquals("Der eingegebene Startbetrag sollte '1500' sein", "1500", startingCapitalInput.getText());
+        }
+        else {
+            throw new AssertionError("'StartingCapitalField' ist kein TextField-Objekt.");
+        }
+    }
+
+    @Test
+    // T012: UC-game-12 - Testet, ob der Spieler den Startbetrag um 100 € erhöhen kann
+    public void testIncreaseStartingCapital() {
+        Spatial increaseButton = app.getGuiNode().getChild("IncreaseCapitalButton");
+        assertNotNull("Der 'Erhöhen'-Button sollte existieren", increaseButton);
+
+        if (increaseButton instanceof Button) {
+            Button increaseCapitalButton = (Button) increaseButton;
+            increaseCapitalButton.click();
+
+            Spatial startingCapitalField = app.getGuiNode().getChild("StartingCapitalField");
+            if (startingCapitalField instanceof TextField) {
+                TextField startingCapitalInput = (TextField) startingCapitalField;
+                assertEquals("Der Startbetrag sollte um 100 erhöht worden sein", "1600", startingCapitalInput.getText());
+            }
+            else {
+                throw new AssertionError("'StartingCapitalField' ist kein TextField-Objekt.");
+            }
+        }
+        else {
+            throw new AssertionError("'IncreaseCapitalButton' ist kein Button-Objekt.");
+        }
+    }
+
+    @Test
+    // T013: UC-game-13 - Testet, ob der Spieler den Startbetrag um 100 € senken kann
+    public void testDecreaseStartingCapital() {
+        Spatial decreaseButton = app.getGuiNode().getChild("DecreaseCapitalButton");
+        assertNotNull("Der 'Senken'-Button sollte existieren", decreaseButton);
+
+        if (decreaseButton instanceof Button) {
+            Button decreaseCapitalButton = (Button) decreaseButton;
+            decreaseCapitalButton.click();
+
+            Spatial startingCapitalField = app.getGuiNode().getChild("StartingCapitalField");
+            if (startingCapitalField instanceof TextField) {
+                TextField startingCapitalInput = (TextField) startingCapitalField;
+                assertEquals("Der Startbetrag sollte um 100 gesenkt worden sein", "1400", startingCapitalInput.getText());
+            }
+            else {
+                throw new AssertionError("'StartingCapitalField' ist kein TextField-Objekt.");
+            }
+        }
+        else {
+            throw new AssertionError("'DecreaseCapitalButton' ist kein Button-Objekt.");
+        }
+    }
+
+    @Test
+    // T014: UC-game-14 - Testet, ob die Standard-Spielernamen korrekt voreingestellt sind
+    public void testDefaultPlayerName() {
+        Spatial playerNameField = app.getGuiNode().getChild("PlayerNameField");
+        assertNotNull("Das Eingabefeld für den Spielernamen sollte existieren", playerNameField);
+
+        if (playerNameField instanceof TextField) {
+            TextField playerNameInput = (TextField) playerNameField;
+            assertEquals("Der voreingestellte Spielername sollte 'Spieler 1' sein", "Spieler 1", playerNameInput.getText());
+        }
+        else {
+            throw new AssertionError("'PlayerNameField' ist kein TextField-Objekt.");
+        }
+    }
+
+    @Test
+    // T015: UC-game-15 - Testet, ob der Spieler einen Anzeigenamen eingeben kann
+    public void testEnterDisplayName() {
+        Spatial displayNameField = app.getGuiNode().getChild("DisplayNameField");
+        assertNotNull("Das Eingabefeld für den Anzeigenamen sollte existieren", displayNameField);
+
+        if (displayNameField instanceof TextField) {
+            TextField displayNameInput = (TextField) displayNameField;
+            displayNameInput.setText("MaxMustermann");
+
+            assertEquals("Der eingegebene Anzeigename sollte 'MaxMustermann' sein", "MaxMustermann", displayNameInput.getText());
+        }
+        else {
+            throw new AssertionError("'DisplayNameField' ist kein TextField-Objekt.");
+        }
+    }
+
+    @Test
+    // T016: UC-game-16 - Testet, ob eine Warnung angezeigt wird, wenn ein Spieler einen bereits belegten Namen eingibt
+    public void testDuplicateNameEntry() {
+        Spatial playerNameField = app.getGuiNode().getChild("PlayerNameField");
+        assertNotNull("Das Eingabefeld für den Spielernamen sollte existieren", playerNameField);
+
+        if (playerNameField instanceof TextField) {
+            TextField playerNameInput = (TextField) playerNameField;
+            playerNameInput.setText("Spieler 1");
+            app.getGuiNode().getChild("AddPlayerButton").click(); // Spieler hinzufügen
+            playerNameInput.setText("Spieler 1");
+            app.getGuiNode().getChild("AddPlayerButton").click(); // Spieler mit gleichem Namen hinzufügen
+
+            Spatial warning = app.getGuiNode().getChild("DuplicateNameWarning");
+            assertNotNull("Es sollte eine Warnung angezeigt werden, wenn ein Name doppelt vergeben wird", warning);
+        }
+        else {
+            throw new AssertionError("'PlayerNameField' ist kein TextField-Objekt.");
+        }
+    }
+
+    @Test
+    // T017: UC-game-17 - Testet, ob der Spieler eine verfügbare Spielfigurfarbe auswählen kann
+    public void testSelectPlayerColor() {
+        Spatial colorSelector = app.getGuiNode().getChild("ColorSelector");
+        assertNotNull("Der Farbwähler sollte existieren", colorSelector);
+
+        if (colorSelector instanceof Button) {
+            Button colorButton = (Button) colorSelector;
+            colorButton.click();
+
+            Spatial selectedColor = app.getGuiNode().getChild("SelectedColor");
+            assertNotNull("Die gewählte Farbe sollte sichtbar sein", selectedColor);
+        }
+        else {
+            throw new AssertionError("'ColorSelector' ist kein Button-Objekt.");
+        }
+    }
+
+    @Test
+    // T018: UC-game-18 - Testet, ob eine belegte Spielfigurfarbe nicht ausgewählt werden kann
+    public void testSelectOccupiedColor() {
+        app.getGuiNode().getChild("ColorSelectorRed").click(); // Spieler 1 wählt Rot
+        app.getGuiNode().getChild("AddPlayerButton").click(); // Spieler 1 hinzufügen
+
+        app.getGuiNode().getChild("ColorSelectorRed").click(); // Spieler 2 versucht Rot zu wählen
+        Spatial warning = app.getGuiNode().getChild("ColorOccupiedWarning");
+        assertNotNull("Es sollte eine Warnung angezeigt werden, wenn eine belegte Farbe ausgewählt wird", warning);
+    }
+
+    @Test
+    // T019: UC-game-19 - Testet, ob der Spieler eine Spielfigur auswählen kann
+    public void testSelectPlayerToken() {
+        Spatial tokenSelector = app.getGuiNode().getChild("TokenSelector");
+        assertNotNull("Der Token-Wähler sollte existieren", tokenSelector);
+
+        if (tokenSelector instanceof Button) {
+            Button tokenButton = (Button) tokenSelector;
+            tokenButton.click();
+
+            Spatial selectedToken = app.getGuiNode().getChild("SelectedToken");
+            assertNotNull("Die gewählte Spielfigur sollte sichtbar sein", selectedToken);
+        }
+        else {
+            throw new AssertionError("'TokenSelector' ist kein Button-Objekt.");
+        }
+    }
+
+    @Test
+    // T020: UC-game-20 - Testet, ob eine belegte Spielfigur nicht ausgewählt werden kann
+    public void testSelectOccupiedToken() {
+        app.getGuiNode().getChild("TokenSelectorShip").click();
+        app.getGuiNode().getChild("AddPlayerButton").click();
+
+        app.getGuiNode().getChild("TokenSelectorShip").click();
+        Spatial warning = app.getGuiNode().getChild("TokenOccupiedWarning");
+        assertNotNull("Es sollte eine Warnung angezeigt werden, wenn eine belegte Spielfigur ausgewählt wird", warning);
+    }
+
+    @Test
+    // T021: UC-game-14 - Überprüft, ob der Spieler zur „Spiel erstellen“-Ansicht zurückkehrt, wenn Abbrechen gedrückt wird
+    public void testCancelPlayerLobby() {
+        Spatial cancelButtonSpatial = app.getGuiNode().getChild("CancelLobbyButton");
+        assertNotNull("Der 'Abbrechen'-Button in der Lobby sollte existieren", cancelButtonSpatial);
+
+        if (cancelButtonSpatial instanceof Button) {
+            Button cancelButton = (Button) cancelButtonSpatial;
+            cancelButton.click();
+
+            Spatial mainMenu = app.getGuiNode().getChild("MainMenu");
+            assertNotNull("Das Hauptmenü sollte nach dem Abbrechen der Lobby sichtbar sein", mainMenu);
+        }
+        else {
+            throw new AssertionError("'CancelLobbyButton' ist kein Button-Objekt.");
+        }
+    }
+
+    @Test
+    // T022: UC-game-15 - Überprüft, ob das Spielmenü in der Lobby durch Drücken der ESC-Taste geöffnet wird
+    public void testOpenLobbyMenuWithESC() {
+        app.escape(true); // Simuliert das Drücken der ESC-Taste
+
+        Spatial lobbyMenu = app.getGuiNode().getChild("LobbyMenu");
+        assertNotNull("Das Lobby-Menü sollte sichtbar sein, nachdem ESC in der Lobby gedrückt wurde", lobbyMenu);
+    }
+
+    @Test
+    // T023: UC-game-16 - Testet, ob der Spieler die Auswahl der Spielfigur bestätigen kann
+    public void testPlayerReadyConfirmation() {
+        Spatial confirmButtonSpatial = app.getGuiNode().getChild("ConfirmTokenButton");
+        assertNotNull("Der 'Bestätigen'-Button für die Spielfigur sollte existieren", confirmButtonSpatial);
+
+        if (confirmButtonSpatial instanceof Button) {
+            Button confirmButton = (Button) confirmButtonSpatial;
+            confirmButton.click();
+
+            Spatial readyStatus = app.getGuiNode().getChild("PlayerReadyStatus");
+            assertNotNull("Der Status 'Bereit' sollte angezeigt werden, nachdem die Spielfigur bestätigt wurde", readyStatus);
+        }
+        else {
+            throw new AssertionError("'ConfirmTokenButton' ist kein Button-Objekt.");
+        }
+    }
+        @Test
+        // T024: UC-game-16 - Überprüft, ob das Spiel startet, wenn alle Spieler ihre Auswahl bestätigt haben
+        public void testAllPlayersReady() {
+            app.receivedEvent(new pp.monopoly.notification.ClientStateEvent(pp.monopoly.notification.ClientStateEvent.State.ALL_PLAYERS_READY));
+
+            Spatial gameScreen = app.getGuiNode().getChild("GameScreen");
+            assertNotNull("Das Spiel sollte starten, wenn alle Spieler bereit sind", gameScreen);
+        }
+        @Test
+        // T025: UC-game-17 - Testet, ob das Einstellungen-Menü während des Spiels geöffnet wird
+        public void testOpenMainGameSettings () {
+            app.escape(true);
+
+            Spatial settingsButton = app.getGuiNode().getChild("SettingsButton");
+            assertNotNull("Der 'Einstellungen'-Button sollte im Spielmenü vorhanden sein", settingsButton);
+
+            if (settingsButton instanceof Button) {
+                ((Button) settingsButton).click();
+                Spatial settingsMenu = app.getGuiNode().getChild("SettingsMenu");
+                assertNotNull("Das Einstellungen-Menü sollte im Spiel angezeigt werden", settingsMenu);
+            }
+            else {
+                throw new AssertionError("'SettingsButton' ist kein Button-Objekt.");
+            }
+        }
+
+    @Test
+// T026: UC-gameplay-01 - Überprüft, ob der Spieler erfolgreich würfeln kann
+    public void testRollDice() {
+        Spatial rollDiceButton = app.getGuiNode().getChild("RollDiceButton");
+        assertNotNull("Der 'Würfeln'-Button sollte sichtbar sein", rollDiceButton);
+
+        if (rollDiceButton instanceof Button) {
+            ((Button) rollDiceButton).click(); // Simuliert einen Würfelwurf
+            Spatial diceResult = app.getGuiNode().getChild("DiceResult");
+            assertNotNull("Das Ergebnis des Würfelwurfs sollte angezeigt werden", diceResult);
+        }
+    }
+    @Test
+// T027: UC-gameplay-01 - Überprüft, ob der aktive Spieler die richtige Anzahl an Feldern basierend auf dem Wurf bewegt
+    public void testMovePlayerAutomatically() {
+        Game game = new Game(); // Initialisiert ein neues Spiel
+        PlayerHandler playerHandler = game.getPlayerHandler(); // Holt den PlayerHandler, der die Spieler verwaltet
+
+        Player activePlayer = playerHandler.getActivePlayer(); // Holt den aktuellen aktiven Spieler
+        assertNotNull("Es sollte einen aktiven Spieler geben", activePlayer);
+
+        DiceResult diceResult = game.rollDice(); // Würfelwurf simulieren
+        int steps = diceResult.getTotal();
+
+        int initialPosition = activePlayer.getFieldId(); // Ursprüngliche Position des aktiven Spielers
+        playerHandler.moveActivePlayer(steps); // Bewegt den aktiven Spieler basierend auf dem Wurf
+
+        int expectedPosition = (initialPosition + steps) % game.getGameBoard().getNumberOfFields(); // Zielposition berechnen
+        int newPosition = activePlayer.getFieldId();
+
+        assertEquals("Der aktive Spieler sollte sich korrekt bewegen", expectedPosition, newPosition);
+
+        // Überprüfen, dass alle anderen Spieler im WaitForTurn-State bleiben
+        playerHandler.getPlayers().stream()
+                     .filter(player -> player != activePlayer)
+                     .forEach(player -> assertTrue("Andere Spieler sollten im WaitForTurn-State sein", player.getState() instanceof WaitForTurnState));
+    }
+
+    @Test
+// T028: UC-gameplay-02 - Überprüft, ob die Würfel zufällige Zahlen generieren
+    public void testGenerationDice() {
+        boolean isRandom = false;
+        DiceResult previousResult = null;
+
+        for (int i = 0; i < 10; i++) {
+            DiceResult currentResult = app.getGame().rollDice();
+
+            assertNotNull("Das Würfelergebnis sollte nicht null sein", currentResult);
+            assertTrue("Die Würfelzahl 1 sollte zwischen 1 und 6 liegen", currentResult.getDice1() >= 1 && currentResult.getDice1() <= 6);
+            assertTrue("Die Würfelzahl 2 sollte zwischen 1 und 6 liegen", currentResult.getDice2() >= 1 && currentResult.getDice2() <= 6);
+
+            if (previousResult != null && (currentResult.getDice1() != previousResult.getDice1() || currentResult.getDice2() != previousResult.getDice2())) {
+                isRandom = true; // Unterschiedliche Würfelwerte gefunden
+                break;
+            }
+            previousResult = currentResult;
+        }
+        assertTrue("Die Würfelergebnisse sollten zufällig sein", isRandom);
+    }
+
+    @Test
+// T029: UC-gameplay-03 - Überprüft, ob die richtigen Augenzahlen angezeigt werden
+    public void testDisplayResults() {
+        DiceResult result = app.getGame().rollDice();
+
+        assertNotNull("Das Würfelergebnis sollte nicht null sein", result);
+        assertTrue("Die Würfelzahl 1 sollte zwischen 1 und 6 liegen", result.getDice1() >= 1 && result.getDice1() <= 6);
+        assertTrue("Die Würfelzahl 2 sollte zwischen 1 und 6 liegen", result.getDice2() >= 1 && result.getDice2() <= 6);
+        assertEquals("Die Summe sollte korrekt berechnet werden", result.getDice1() + result.getDice2(), result.getTotal());
+    }
+    @Test
+    // T030: UC-gameplay-04 - Überprüfen, ob die Summe der Würfelergebnisse korrekt berechnet wird
+    public void testSumDiceResults() {
+        Spatial rollDiceButton = app.getGuiNode().getChild("RollDiceButton");
+        assertNotNull("Der 'Würfeln'-Button sollte sichtbar sein", rollDiceButton);
+
+        if (rollDiceButton instanceof Button) {
+            ((Button) rollDiceButton).click(); // Simuliert einen Würfelwurf
+            Spatial diceResult1 = app.getGuiNode().getChild("DiceResult1");
+            Spatial diceResult2 = app.getGuiNode().getChild("DiceResult2");
+
+            assertNotNull("Die Ergebnisse des Würfelwurfs sollten angezeigt werden", diceResult1);
+            assertNotNull("Die Ergebnisse des Würfelwurfs sollten angezeigt werden", diceResult2);
+
+            int result1 = Integer.parseInt(diceResult1.getUserData("value").toString());
+            int result2 = Integer.parseInt(diceResult2.getUserData("value").toString());
+            int expectedSum = result1 + result2;
+
+            Spatial sumDisplay = app.getGuiNode().getChild("DiceSum");
+            assertEquals("Die Summe der Würfelergebnisse sollte korrekt angezeigt werden", expectedSum, Integer.parseInt(sumDisplay.getUserData("value").toString()));
+        } else {
+            throw new AssertionError("'RollDiceButton' ist kein Button-Objekt.");
+        }
+    }
+
+    @Test
+    // T031: UC-gameplay-05 - Überprüfen, ob die Würfel nach dem Wurf ausgegraut werden
+    public void testGrayOutDiceAfterRoll() {
+        Spatial rollDiceButton = app.getGuiNode().getChild("RollDiceButton");
+        assertNotNull("Der 'Würfeln'-Button sollte sichtbar sein", rollDiceButton);
+
+        if (rollDiceButton instanceof Button) {
+            ((Button) rollDiceButton).click(); // Simuliert einen Würfelwurf
+
+            Spatial diceDisplay = app.getGuiNode().getChild("DiceDisplay");
+            assertNotNull("Die Würfelanzeige sollte nach dem Wurf sichtbar sein", diceDisplay);
+
+            boolean isGrayedOut = diceDisplay.getUserData("grayedOut");
+            assertTrue("Die Würfel sollten nach dem Wurf ausgegraut sein", isGrayedOut);
+        } else {
+            throw new AssertionError("'RollDiceButton' ist kein Button-Objekt.");
+        }
+    }
+
+    @Test
+    // T032: UC-gameplay-06 - Überprüfen, ob das Würfeln eines Paschs erkannt wird
+    public void testDetectDouble() {
+        Spatial rollDiceButton = app.getGuiNode().getChild("RollDiceButton");
+        assertNotNull("Der 'Würfeln'-Button sollte sichtbar sein", rollDiceButton);
+
+        if (rollDiceButton instanceof Button) {
+            // Simuliert mehrere Würfe, um einen Pasch zu erkennen
+            for (int i = 0; i < 10; i++) {
+                ((Button) rollDiceButton).click();
+                Spatial diceResult1 = app.getGuiNode().getChild("DiceResult1");
+                Spatial diceResult2 = app.getGuiNode().getChild("DiceResult2");
+
+                int result1 = Integer.parseInt(diceResult1.getUserData("value").toString());
+                int result2 = Integer.parseInt(diceResult2.getUserData("value").toString());
+
+                if (result1 == result2) {
+                    Spatial doubleIndicator = app.getGuiNode().getChild("DoubleIndicator");
+                    assertNotNull("Ein Pasch sollte angezeigt werden, wenn zwei identische Zahlen geworfen werden", doubleIndicator);
+                    break;
+                }
+            }
+        } else {
+            throw new AssertionError("'RollDiceButton' ist kein Button-Objekt.");
+        }
+    }
+
+    @Test
+    // T033: UC-gameplay-06 - Überprüfen, ob der Spieler bei einem Pasch erneut würfeln darf
+    public void testDoubleRoll() {
+        Spatial rollDiceButton = app.getGuiNode().getChild("RollDiceButton");
+        assertNotNull("Der 'Würfeln'-Button sollte sichtbar sein", rollDiceButton);
+
+        if (rollDiceButton instanceof Button) {
+            // Simuliert das Würfeln eines Paschs
+            ((Button) rollDiceButton).click();
+            Spatial diceResult1 = app.getGuiNode().getChild("DiceResult1");
+            Spatial diceResult2 = app.getGuiNode().getChild("DiceResult2");
+
+            int result1 = Integer.parseInt(diceResult1.getUserData("value").toString());
+            int result2 = Integer.parseInt(diceResult2.getUserData("value").toString());
+
+            if (result1 == result2) { // Überprüft, ob ein Pasch geworfen wurde
+                Spatial rollAgainIndicator = app.getGuiNode().getChild("RollAgainIndicator");
+                assertNotNull("Der Spieler sollte bei einem Pasch erneut würfeln dürfen", rollAgainIndicator);
+            }
+        } else {
+            throw new AssertionError("'RollDiceButton' ist kein Button-Objekt.");
+        }
+    }
+
+    @Test
+    // T034: UC-gameplay-06 - Überprüfen, ob der Spieler nach dem dritten Pasch ins Gefängnis muss
+    public void testTripleDoubleGulag() {
+        int doubleCount = 0;
+
+        for (int i = 0; i < 3; i++) {
+            Spatial rollDiceButton = app.getGuiNode().getChild("RollDiceButton");
+            assertNotNull("Der 'Würfeln'-Button sollte sichtbar sein", rollDiceButton);
+
+            if (rollDiceButton instanceof Button) {
+                ((Button) rollDiceButton).click();
+                Spatial diceResult1 = app.getGuiNode().getChild("DiceResult1");
+                Spatial diceResult2 = app.getGuiNode().getChild("DiceResult2");
+
+                int result1 = Integer.parseInt(diceResult1.getUserData("value").toString());
+                int result2 = Integer.parseInt(diceResult2.getUserData("value").toString());
+
+                if (result1 == result2) {
+                    doubleCount++;
+                }
+
+                if (doubleCount == 3) {
+                    Spatial jailIndicator = app.getGuiNode().getChild("JailIndicator");
+                    assertNotNull("Der Spieler sollte nach dem dritten Pasch ins Gefängnis gehen", jailIndicator);
+                    break;
+                }
+            } else {
+                throw new AssertionError("'RollDiceButton' ist kein Button-Objekt.");
+            }
+        }
+
+        assertTrue("Der Spieler sollte drei Paschs geworfen haben", doubleCount == 3);
+    }
+    @Test
+// T035: UC-gameplay-07 - Überprüfen, ob ein Spieler für Steuerfelder korrekt belastet wird
+    public void testTaxFieldCharges() {
+        Game game = new Game();
+        PlayerHandler playerHandler = game.getPlayerHandler();
+        Player activePlayer = playerHandler.getActivePlayer();
+        assertNotNull("Es sollte einen aktiven Spieler geben", activePlayer);
+
+        int initialBalance = activePlayer.getAccountBalance();
+
+        activePlayer.moveToField(game.getGameBoard().getFieldById(4)); // ID 4: Steuerfeld "Diszi"
+        game.getGameBoard().applyFieldEffect(activePlayer);
+
+        int expectedBalance = initialBalance - 200; // Beispielsteuer: 200 €
+        assertEquals("Der Spieler sollte für das Steuerfeld korrekt belastet werden", expectedBalance, activePlayer.getAccountBalance());
+    }
+
+    @Test
+// T036: UC-gameplay-08 - Überprüfen, ob ein Spieler korrekt ins Gefängnis geschickt wird
+    public void testGoToJailField() {
+        Game game = new Game();
+        PlayerHandler playerHandler = game.getPlayerHandler();
+        Player activePlayer = playerHandler.getActivePlayer();
+        assertNotNull("Es sollte einen aktiven Spieler geben", activePlayer);
+
+        activePlayer.moveToField(game.getGameBoard().getFieldById(30)); // ID 30: Ab ins Gefängnis
+        game.getGameBoard().applyFieldEffect(activePlayer);
+
+        assertEquals("Der Spieler sollte ins Gefängnis geschickt werden", 10, activePlayer.getFieldId()); // ID 10: Gefängnis
+    }
+
+    @Test
+// T037: UC-gameplay-09 - Überprüfen, ob ein Spieler bei "Frei Parken" keine Gebühren zahlt
+    public void testFreeParking() {
+        Game game = new Game();
+        PlayerHandler playerHandler = game.getPlayerHandler();
+        Player activePlayer = playerHandler.getActivePlayer();
+        assertNotNull("Es sollte einen aktiven Spieler geben", activePlayer);
+
+        int initialBalance = activePlayer.getAccountBalance();
+
+        activePlayer.moveToField(game.getGameBoard().getFieldById(20)); // ID 20: Frei Parken
+        game.getGameBoard().applyFieldEffect(activePlayer);
+
+        assertEquals("Der Spieler sollte bei 'Frei Parken' keine Gebühren zahlen", initialBalance, activePlayer.getAccountBalance());
+    }
+}
+
+
+