init for monopoly

Projekte/monopoly/client/build.gradle

@@ -0,0 +1,22 @@
+plugins {
+    id 'buildlogic.jme-application-conventions'
+}
+
+description = 'Monopoly Client'
+
+dependencies {
+    implementation project(":jme-common")
+    implementation project(":monopoly:model")
+
+    implementation libs.jme3.desktop
+
+    runtimeOnly libs.jme3.awt.dialogs
+    runtimeOnly libs.jme3.plugins
+    runtimeOnly libs.jme3.jogg
+    runtimeOnly libs.jme3.testdata
+}
+
+application {
+    mainClass = 'pp.monopoly.client.MonopolyApp'
+    applicationName = 'monopoly'
+}

Projekte/monopoly/client/client.properties

@@ -0,0 +1,73 @@
+########################################
+## Programming project code
+## UniBw M, 2022, 2023, 2024
+## www.unibw.de/inf2
+## (c) Mark Minas (mark.minas@unibw.de)
+########################################
+#
+# Battleship client configuration
+#
+# Specifies the map used by the opponent in single mode.
+# Single mode is activated if this property is set.
+#map.opponent=maps/map2.json
+#
+# Specifies the map used by the player in single mode.
+# The player must define their own map if this property is not set.
+map.own=maps/map1.json
+#
+# Coordinates of the shots fired by the RobotClient in the order listed.
+# Example:
+#   2, 0,\
+#   2, 1,\
+#   2, 2,\
+#   2, 3
+#  defines four shots, namely at the coordinates
+#  (x=2, y=0), (x=2, y=1), (x=2, y=2), and (x=2, y=3)
+robot.targets=2, 0,\
+              2, 1,\
+              2, 2,\
+              2, 3
+#
+# Delay in milliseconds between each shot fired by the RobotClient.
+robot.delay=500
+#
+# The dimensions of the game map used in single mode.
+# 'map.width' defines the number of columns, and 'map.height' defines the number of rows.
+map.width=10
+map.height=10
+#
+# The number of ships of each length available in single mode.
+# The value is a comma-separated list where each element corresponds to the number of ships
+# with a specific length. For example:
+# ship.nums=4, 3, 2, 1
+# This configuration means:
+#   - 4 ships of length 1
+#   - 3 ships of length 2
+#   - 2 ships of length 3
+#   - 1 ship of length 4
+ship.nums=4, 3, 2, 1
+#
+# Screen settings
+#
+# Color of the text displayed at the top of the overlay.
+# The format is (red, green, blue, alpha) where each value ranges from 0 to 1.
+overlay.top.color=1, 1, 1, 1
+#
+# Application settings configuration
+# Determines whether the settings window is shown at startup.
+settings.show=false
+#
+# Specifies the width of the application window in pixels.
+settings.resolution.width=1200
+#
+# Specifies the height of the application window in pixels.
+settings.resolution.height=800
+#
+# Determines whether the application runs in full-screen mode.
+settings.full-screen=false
+#
+# Enables or disables gamma correction to improve color accuracy.
+settings.use-gamma-correction=true
+#
+# Indicates whether the statistics window is displayed during gameplay.
+statistics.show=false

Projekte/monopoly/client/logging.properties

@@ -0,0 +1,8 @@
+handlers=java.util.logging.ConsoleHandler
+.level=INFO
+pp.level=FINE
+com.jme3.network.level=INFO
+;com.jme3.util.TangentBinormalGenerator.level=SEVERE
+java.util.logging.ConsoleHandler.level=FINER
+java.util.logging.ConsoleHandler.formatter=java.util.logging.SimpleFormatter
+;java.util.logging.SimpleFormatter.format=[%4$s %2$s] %5$s%n

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

@@ -0,0 +1,135 @@
+////////////////////////////////////////
+// Programming project code
+// UniBw M, 2022, 2023, 2024
+// www.unibw.de/inf2
+// (c) Mark Minas (mark.minas@unibw.de)
+////////////////////////////////////////
+
+package pp.monopoly.client;
+
+import com.jme3.app.Application;
+import com.jme3.app.state.AbstractAppState;
+import com.jme3.app.state.AppStateManager;
+import com.jme3.asset.AssetLoadException;
+import com.jme3.asset.AssetNotFoundException;
+import com.jme3.audio.AudioData;
+import com.jme3.audio.AudioNode;
+import pp.monopoly.notification.GameEventListener;
+import pp.monopoly.notification.SoundEvent;
+
+import java.lang.System.Logger;
+import java.lang.System.Logger.Level;
+import java.util.prefs.Preferences;
+
+import static pp.util.PreferencesUtils.getPreferences;
+
+/**
+ * An application state that plays sounds.
+ */
+public class GameSound extends AbstractAppState implements GameEventListener {
+    private static final Logger LOGGER = System.getLogger(GameSound.class.getName());
+    private static final Preferences PREFERENCES = getPreferences(GameSound.class);
+    private static final String ENABLED_PREF = "enabled"; //NON-NLS
+
+    private AudioNode splashSound;
+    private AudioNode shipDestroyedSound;
+    private AudioNode explosionSound;
+
+    /**
+     * Checks if sound is enabled in the preferences.
+     *
+     * @return {@code true} if sound is enabled, {@code false} otherwise.
+     */
+    public static boolean enabledInPreferences() {
+        return PREFERENCES.getBoolean(ENABLED_PREF, true);
+    }
+
+    /**
+     * Toggles the game sound on or off.
+     */
+    public void toggleSound() {
+        setEnabled(!isEnabled());
+    }
+
+    /**
+     * Sets the enabled state of this AppState.
+     * Overrides {@link com.jme3.app.state.AbstractAppState#setEnabled(boolean)}
+     *
+     * @param enabled {@code true} to enable the AppState, {@code false} to disable it.
+     */
+    @Override
+    public void setEnabled(boolean enabled) {
+        if (isEnabled() == enabled) return;
+        super.setEnabled(enabled);
+        LOGGER.log(Level.INFO, "Sound enabled: {0}", enabled); //NON-NLS
+        PREFERENCES.putBoolean(ENABLED_PREF, enabled);
+    }
+
+    /**
+     * Initializes the sound effects for the game.
+     * Overrides {@link AbstractAppState#initialize(AppStateManager, Application)}
+     *
+     * @param stateManager The state manager
+     * @param app          The application
+     */
+    @Override
+    public void initialize(AppStateManager stateManager, Application app) {
+        super.initialize(stateManager, app);
+        shipDestroyedSound = loadSound(app, "Sound/Effects/sunken.wav"); //NON-NLS
+        splashSound = loadSound(app, "Sound/Effects/splash.wav"); //NON-NLS
+        explosionSound = loadSound(app, "Sound/Effects/explosion.wav"); //NON-NLS
+    }
+
+    /**
+     * Loads a sound from the specified file.
+     *
+     * @param app  The application
+     * @param name The name of the sound file.
+     * @return The loaded AudioNode.
+     */
+    private AudioNode loadSound(Application app, String name) {
+        try {
+            final AudioNode sound = new AudioNode(app.getAssetManager(), name, AudioData.DataType.Buffer);
+            sound.setLooping(false);
+            sound.setPositional(false);
+            return sound;
+        }
+        catch (AssetLoadException | AssetNotFoundException ex) {
+            LOGGER.log(Level.ERROR, ex.getMessage(), ex);
+        }
+        return null;
+    }
+
+    /**
+     * Plays the splash sound effect.
+     */
+    public void splash() {
+        if (isEnabled() && splashSound != null)
+            splashSound.playInstance();
+    }
+
+    /**
+     * Plays the explosion sound effect.
+     */
+    public void explosion() {
+        if (isEnabled() && explosionSound != null)
+            explosionSound.playInstance();
+    }
+
+    /**
+     * Plays sound effect when a ship has been destroyed.
+     */
+    public void shipDestroyed() {
+        if (isEnabled() && shipDestroyedSound != null)
+            shipDestroyedSound.playInstance();
+    }
+
+    @Override
+    public void receivedEvent(SoundEvent event) {
+        switch (event.sound()) {
+            case EXPLOSION -> explosion();
+            case SPLASH -> splash();
+            case DESTROYED_SHIP -> shipDestroyed();
+        }
+    }
+}

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

@@ -0,0 +1,59 @@
+////////////////////////////////////////
+// Programming project code
+// UniBw M, 2022, 2023, 2024
+// www.unibw.de/inf2
+// (c) Mark Minas (mark.minas@unibw.de)
+////////////////////////////////////////
+
+package pp.monopoly.client;
+
+import com.simsilica.lemur.Button;
+import com.simsilica.lemur.Checkbox;
+import com.simsilica.lemur.Label;
+import com.simsilica.lemur.style.ElementId;
+import pp.dialog.Dialog;
+import pp.dialog.StateCheckboxModel;
+import pp.dialog.TextInputDialog;
+
+import java.util.prefs.Preferences;
+
+import static pp.monopoly.Resources.lookup;
+import static pp.util.PreferencesUtils.getPreferences;
+
+/**
+ * The Menu class represents the main menu in the Battleship game application.
+ * It extends the Dialog class and provides functionalities for loading, saving,
+ * returning to the game, and quitting the application.
+ */
+class Menu extends Dialog {
+    private static final Preferences PREFERENCES = getPreferences(Menu.class);
+    private static final String LAST_PATH = "last.file.path";
+    private final MonopolyApp app;
+
+
+    /**
+     * Constructs the Menu dialog for the Battleship application.
+     *
+     * @param app the BattleshipApp instance
+     */
+    public Menu(MonopolyApp app) {
+        super(app.getDialogManager());
+        this.app = app;
+    }
+
+    /**
+     * Updates the state of the load and save buttons based on the game logic.
+     */
+    @Override
+    public void update() {
+
+    }
+
+    /**
+     * As an escape action, this method closes the menu if it is the top dialog.
+     */
+    @Override
+    public void escape() {
+        close();
+    }
+}

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

@@ -0,0 +1,423 @@
+////////////////////////////////////////
+// Programming project code
+// UniBw M, 2022, 2023, 2024
+// www.unibw.de/inf2
+// (c) Mark Minas (mark.minas@unibw.de)
+////////////////////////////////////////
+
+package pp.monopoly.client;
+
+import com.jme3.app.DebugKeysAppState;
+import com.jme3.app.SimpleApplication;
+import com.jme3.app.StatsAppState;
+import com.jme3.font.BitmapFont;
+import com.jme3.font.BitmapText;
+import com.jme3.input.KeyInput;
+import com.jme3.input.MouseInput;
+import com.jme3.input.controls.ActionListener;
+import com.jme3.input.controls.KeyTrigger;
+import com.jme3.input.controls.MouseButtonTrigger;
+import com.jme3.system.AppSettings;
+import com.simsilica.lemur.GuiGlobals;
+import com.simsilica.lemur.style.BaseStyles;
+import pp.monopoly.game.client.MonopolyClient;
+import pp.monopoly.game.client.ClientGameLogic;
+import pp.monopoly.game.client.ServerConnection;
+import pp.monopoly.notification.ClientStateEvent;
+import pp.monopoly.notification.GameEventListener;
+import pp.monopoly.notification.InfoTextEvent;
+import pp.dialog.DialogBuilder;
+import pp.dialog.DialogManager;
+import pp.graphics.Draw;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.lang.System.Logger;
+import java.lang.System.Logger.Level;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.logging.LogManager;
+
+import static pp.monopoly.Resources.lookup;
+
+/**
+ * The main class for the Monopoly client application.
+ * It manages the initialization, input setup, GUI setup, and game states for the client.
+ */
+public class MonopolyApp extends SimpleApplication implements MonopolyClient, GameEventListener {
+
+    /**
+     * Logger for logging messages within the application.
+     */
+    private static final Logger LOGGER = System.getLogger(MonopolyApp.class.getName());
+
+    /**
+     * Path to the styles script for GUI elements.
+     */
+    private static final String STYLES_SCRIPT = "Interface/Lemur/pp-styles.groovy"; //NON-NLS
+
+    /**
+     * Path to the font resource used in the GUI.
+     */
+    private static final String FONT = "Interface/Fonts/Default.fnt"; //NON-NLS
+
+    /**
+     * Path to the client configuration file, if one exists.
+     */
+    private static final File CONFIG_FILE = new File("client.properties");
+
+    /**
+     * Input mapping name for mouse clicks.
+     */
+    public static final String CLICK = "CLICK";
+
+    /**
+     * Input mapping name for the Escape key.
+     */
+    private static final String ESC = "ESC";
+
+    /**
+     * Manager for handling dialogs within the application.
+     */
+    private final DialogManager dialogManager = new DialogManager(this);
+
+    /**
+     * The server connection instance, used for communicating with the game server.
+     */
+    private final ServerConnection serverConnection;
+
+    /**
+     * Instance of the {@link Draw} class for rendering graphics.
+     */
+    private Draw draw;
+
+    /**
+     * Text display at the top of the GUI for showing information to the user.
+     */
+    private BitmapText topText;
+
+    /**
+     * Executor service for handling asynchronous tasks within the application.
+     */
+    private ExecutorService executor;
+
+    /**
+     * Handler for managing the client's game logic.
+     */
+    private final ClientGameLogic logic;
+
+    /**
+     * Configuration settings for the Monopoly client application.
+     */
+    private final MonopolyAppConfig config;
+
+    /**
+     * Listener for handling actions triggered by the Escape key.
+     */
+    private final ActionListener escapeListener = (name, isPressed, tpf) -> escape(isPressed);
+
+    static {
+        // Configure logging
+        LogManager manager = LogManager.getLogManager();
+        try {
+            manager.readConfiguration(new FileInputStream("logging.properties"));
+            LOGGER.log(Level.INFO, "Successfully read logging properties"); //NON-NLS
+        }
+        catch (IOException e) {
+            LOGGER.log(Level.INFO, e.getMessage());
+        }
+    }
+
+    /**
+     * Starts the Monopoly application.
+     *
+     * @param args Command-line arguments for launching the application.
+     */
+    public static void main(String[] args) {
+        new MonopolyApp().start();
+    }
+
+    /**
+     * Constructs a new {@code MonopolyApp} instance.
+     * Initializes the configuration, server connection, and game logic listeners.
+     */
+    private MonopolyApp() {
+        config = new MonopolyAppConfig();
+        config.readFromIfExists(CONFIG_FILE);
+        serverConnection = makeServerConnection();
+        logic = new ClientGameLogic(serverConnection);
+        logic.addListener(this);
+        setShowSettings(config.getShowSettings());
+        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.
+     */
+    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;
+    }
+
+    /**
+     * Initializes the application.
+     * Sets up input mappings, GUI, game states, and connects to the server.
+     */
+    @Override
+    public void simpleInitApp() {
+        setPauseOnLostFocus(false);
+        draw = new Draw(assetManager);
+        setupInput();
+        setupStates();
+        setupGui();
+        serverConnection.connect();
+    }
+
+    /**
+     * Sets up the graphical user interface (GUI) for the application.
+     */
+    private void setupGui() {
+        GuiGlobals.initialize(this);
+        BaseStyles.loadStyleResources(STYLES_SCRIPT);
+        GuiGlobals.getInstance().getStyles().setDefaultStyle("pp"); //NON-NLS
+        final BitmapFont normalFont = assetManager.loadFont(FONT); //NON-NLS
+        topText = new BitmapText(normalFont);
+        final int height = context.getSettings().getHeight();
+        topText.setLocalTranslation(10f, height - 10f, 0f);
+        topText.setColor(config.getTopColor());
+        guiNode.attachChild(topText);
+    }
+
+    /**
+     * Configures input mappings and sets up listeners for user interactions.
+     */
+    private void setupInput() {
+        inputManager.deleteMapping(INPUT_MAPPING_EXIT);
+        inputManager.setCursorVisible(false);
+        inputManager.addMapping(ESC, new KeyTrigger(KeyInput.KEY_ESCAPE));
+        inputManager.addMapping(CLICK, new MouseButtonTrigger(MouseInput.BUTTON_LEFT));
+        inputManager.addListener(escapeListener, ESC);
+    }
+
+    /**
+     * Initializes and attaches the necessary application states for the game.
+     */
+    private void setupStates() {
+        if (config.getShowStatistics()) {
+            final BitmapFont normalFont = assetManager.loadFont(FONT); //NON-NLS
+            final StatsAppState stats = new StatsAppState(guiNode, normalFont);
+            stateManager.attach(stats);
+        }
+        flyCam.setEnabled(false);
+        stateManager.detach(stateManager.getState(StatsAppState.class));
+        stateManager.detach(stateManager.getState(DebugKeysAppState.class));
+
+        attachGameSound();
+
+        //TODO add states
+        stateManager.attachAll();
+    }
+
+    /**
+     * Attaches the game sound state and sets its initial enabled state.
+     */
+    private void attachGameSound() {
+        final GameSound gameSound = new GameSound();
+        logic.addListener(gameSound);
+        gameSound.setEnabled(GameSound.enabledInPreferences());
+        stateManager.attach(gameSound);
+    }
+
+    /**
+     * Updates the application state every frame.
+     * This method is called once per frame during the game loop.
+     *
+     * @param tpf Time per frame in seconds.
+     */
+    @Override
+    public void simpleUpdate(float tpf) {
+        super.simpleUpdate(tpf);
+        dialogManager.update(tpf);
+        logic.update(tpf);
+    }
+
+    /**
+     * Handles the Escape key action to either close the top dialog or show the main menu.
+     *
+     * @param isPressed Indicates whether the Escape key is pressed.
+     */
+    private void escape(boolean isPressed) {
+        if (!isPressed) return;
+        if (dialogManager.showsDialog())
+            dialogManager.escape();
+        else
+            new Menu(this).open();
+    }
+
+    /**
+     * Returns the {@link Draw} instance used for rendering graphical elements in the game.
+     *
+     * @return The {@link Draw} instance.
+     */
+    public Draw getDraw() {
+        return draw;
+    }
+
+    /**
+     * Handles a request to close the application.
+     * If the request is initiated by pressing ESC, this parameter is true.
+     *
+     * @param esc If true, the request is due to the ESC key being pressed.
+     */
+    @Override
+    public void requestClose(boolean esc) { /* do nothing */ }
+
+    /**
+     * Closes the application, displaying a confirmation dialog if the client is connected to a server.
+     */
+    public void closeApp() {
+        if (serverConnection.isConnected())
+            confirmDialog(lookup("confirm.leaving"), this::close);
+        else
+            close();
+    }
+
+    /**
+     * Closes the application, disconnecting from the server and stopping the application.
+     */
+    private void close() {
+        serverConnection.disconnect();
+        stop();
+    }
+
+    /**
+     * Updates the informational text displayed in the GUI.
+     *
+     * @param text The information text to display.
+     */
+    void setInfoText(String text) {
+        LOGGER.log(Level.DEBUG, "setInfoText {0}", text); //NON-NLS
+        topText.setText(text);
+    }
+
+    /**
+     * Updates the informational text in the GUI based on the key received in an {@link InfoTextEvent}.
+     *
+     * @param event The {@link InfoTextEvent} containing the key for the text to display.
+     */
+    @Override
+    public void receivedEvent(InfoTextEvent event) {
+        LOGGER.log(Level.DEBUG, "received info text {0}", event.key()); //NON-NLS
+        setInfoText(lookup(event.key()));
+    }
+
+    /**
+     * Handles client state events to update the game states accordingly.
+     *
+     * @param event The {@link ClientStateEvent} representing the state change.
+     */
+    @Override
+    public void receivedEvent(ClientStateEvent event) {
+        //TODO
+        throw new UnsupportedOperationException("unimplemented method");
+    }
+
+    /**
+     * Returns the executor service used for handling multithreaded tasks.
+     *
+     * @return The {@link ExecutorService} instance.
+     */
+    public ExecutorService getExecutor() {
+        if (executor == null)
+            executor = Executors.newCachedThreadPool();
+        return executor;
+    }
+
+    /**
+     * Stops the application, shutting down the executor service and halting execution.
+     *
+     * @param waitFor If true, waits for the application to stop before returning.
+     */
+    @Override
+    public void stop(boolean waitFor) {
+        if (executor != null) executor.shutdownNow();
+        super.stop(waitFor);
+    }
+
+    /**
+     * Displays a confirmation dialog with a specified question and action for the "Yes" button.
+     *
+     * @param question  The question to display in the dialog.
+     * @param yesAction The action to perform if "Yes" is selected.
+     */
+    void confirmDialog(String question, Runnable yesAction) {
+        DialogBuilder.simple(dialogManager)
+                     .setTitle(lookup("dialog.question"))
+                     .setText(question)
+                     .setOkButton(lookup("button.yes"), yesAction)
+                     .setNoButton(lookup("button.no"))
+                     .build()
+                     .open();
+    }
+
+    /**
+     * Displays an error dialog with the specified error message.
+     *
+     * @param errorMessage The error message to display in the dialog.
+     */
+    void errorDialog(String errorMessage) {
+        DialogBuilder.simple(dialogManager)
+                     .setTitle(lookup("dialog.error"))
+                     .setText(errorMessage)
+                     .setOkButton(lookup("button.ok"))
+                     .build()
+                     .open();
+    }
+}

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

@@ -0,0 +1,196 @@
+////////////////////////////////////////
+// Programming project code
+// UniBw M, 2022, 2023, 2024
+// www.unibw.de/inf2
+// (c) Mark Minas (mark.minas@unibw.de)
+////////////////////////////////////////
+
+package pp.monopoly.client;
+
+import com.jme3.math.ColorRGBA;
+import pp.monopoly.game.client.MonopolyClientConfig;
+
+/**
+ * Provides access to the Monopoly application configuration.
+ * Extends {@link MonopolyClientConfig} to include additional properties specific to the client,
+ * particularly those related to screen settings and visual customization.
+ * <p>
+ * <b>Note:</b> Attributes of this class should not be marked as {@code final}
+ * to ensure proper functionality when reading from a properties file.
+ * </p>
+ */
+public class MonopolyAppConfig extends MonopolyClientConfig {
+
+    /**
+     * Converts a string value found in the properties file into an object of the specified type.
+     * Extends the superclass method to support conversion to {@link ColorRGBA}.
+     *
+     * @param value      the string value to be converted
+     * @param targetType the target type into which the value string is converted
+     * @return the converted object of the specified type
+     */
+    @Override
+    protected Object convertToType(String value, Class<?> targetType) {
+        if (targetType == ColorRGBA.class)
+            return makeColorRGBA(value);
+        return super.convertToType(value, targetType);
+    }
+
+    /**
+     * Converts the specified string value to a corresponding {@link ColorRGBA} object.
+     *
+     * @param value the color in the format "red, green, blue, alpha" with all values in the range [0..1]
+     * @return a {@link ColorRGBA} object representing the color
+     * @throws IllegalArgumentException if the input string is not in the expected format
+     */
+    private static ColorRGBA makeColorRGBA(String value) {
+        String[] split = value.split(",", -1);
+        try {
+            if (split.length == 4)
+                return new ColorRGBA(Float.parseFloat(split[0]),
+                                     Float.parseFloat(split[1]),
+                                     Float.parseFloat(split[2]),
+                                     Float.parseFloat(split[3]));
+        }
+        catch (NumberFormatException e) {
+            // deliberately left empty
+        }
+        throw new IllegalArgumentException(value + " should consist of exactly 4 numbers");
+    }
+
+    /**
+     * The width of the game view resolution in pixels.
+     */
+    @Property("settings.resolution.width") //NON-NLS
+    private int resolutionWidth = 1200;
+
+    /**
+     * The height of the game view resolution in pixels.
+     */
+    @Property("settings.resolution.height") //NON-NLS
+    private int resolutionHeight = 800;
+
+    /**
+     * Specifies whether the game should start in full-screen mode.
+     */
+    @Property("settings.full-screen") //NON-NLS
+    private boolean fullScreen = false;
+
+    /**
+     * Specifies whether gamma correction should be enabled.
+     * If enabled, the main framebuffer is configured for sRGB colors,
+     * and sRGB images are linearized.
+     * <p>
+     * Requires a GPU that supports GL_ARB_framebuffer_sRGB; otherwise, this setting will be ignored.
+     * </p>
+     */
+    @Property("settings.use-gamma-correction") //NON-NLS
+    private boolean useGammaCorrection = true;
+
+    /**
+     * Specifies whether full resolution framebuffers should be used on Retina displays.
+     * This setting is ignored on non-Retina platforms.
+     */
+    @Property("settings.use-retina-framebuffer") //NON-NLS
+    private boolean useRetinaFrameBuffer = false;
+
+    /**
+     * Specifies whether the settings window should be shown for configuring the game.
+     */
+    @Property("settings.show") //NON-NLS
+    private boolean showSettings = false;
+
+    /**
+     * Specifies whether the JME statistics window should be shown in the lower left corner of the screen.
+     */
+    @Property("statistics.show") //NON-NLS
+    private boolean showStatistics = false;
+
+    /**
+     * The color of the top text during gameplay, represented as a {@link ColorRGBA} object.
+     */
+    @Property("overlay.top.color") //NON-NLS
+    private ColorRGBA topColor = ColorRGBA.White;
+
+    /**
+     * Creates a default {@code MonopolyAppConfig} with predefined values.
+     */
+    public MonopolyAppConfig() {
+        // Default constructor
+    }
+
+    /**
+     * Returns the width of the game view resolution in pixels.
+     *
+     * @return the width of the game view resolution in pixels
+     */
+    public int getResolutionWidth() {
+        return resolutionWidth;
+    }
+
+    /**
+     * Returns the height of the game view resolution in pixels.
+     *
+     * @return the height of the game view resolution in pixels
+     */
+    public int getResolutionHeight() {
+        return resolutionHeight;
+    }
+
+    /**
+     * Returns whether the game should start in full-screen mode.
+     *
+     * @return {@code true} if the game should start in full-screen mode; {@code false} otherwise
+     */
+    public boolean fullScreen() {
+        return fullScreen;
+    }
+
+    /**
+     * Returns whether gamma correction is enabled.
+     * If enabled, the main framebuffer is configured for sRGB colors,
+     * and sRGB images are linearized.
+     *
+     * @return {@code true} if gamma correction is enabled; {@code false} otherwise
+     */
+    public boolean useGammaCorrection() {
+        return useGammaCorrection;
+    }
+
+    /**
+     * Returns whether full resolution framebuffers should be used on Retina displays.
+     * This setting is ignored on non-Retina platforms.
+     *
+     * @return {@code true} if full resolution framebuffers should be used on Retina displays; {@code false} otherwise
+     */
+    public boolean useRetinaFrameBuffer() {
+        return useRetinaFrameBuffer;
+    }
+
+    /**
+     * Returns whether the settings window should be shown for configuring the game.
+     *
+     * @return {@code true} if the settings window should be shown; {@code false} otherwise
+     */
+    public boolean getShowSettings() {
+        return showSettings;
+    }
+
+    /**
+     * Returns whether the JME statistics window should be shown in the lower left corner of the screen.
+     *
+     * @return {@code true} if the statistics window should be shown; {@code false} otherwise
+     */
+    public boolean getShowStatistics() {
+        return showStatistics;
+    }
+
+    /**
+     * Returns the color of the top text during gameplay as a {@link ColorRGBA} object.
+     *
+     * @return the color of the top text during gameplay
+     */
+    public ColorRGBA getTopColor() {
+        return topColor;
+    }
+}

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

@@ -0,0 +1,102 @@
+////////////////////////////////////////
+// Programming project code
+// UniBw M, 2022, 2023, 2024
+// www.unibw.de/inf2
+// (c) Mark Minas (mark.minas@unibw.de)
+////////////////////////////////////////
+
+package pp.monopoly.client;
+
+import com.jme3.app.Application;
+import com.jme3.app.state.AbstractAppState;
+import com.jme3.app.state.AppStateManager;
+import pp.monopoly.game.client.ClientGameLogic;
+
+/**
+ * Abstract class representing a state in the Battleship game.
+ * Extends the AbstractAppState from jMonkeyEngine to manage state behavior.
+ */
+public abstract class MonopolyAppState extends AbstractAppState {
+    private MonopolyApp app;
+
+    /**
+     * Creates a new MonopolyAppState that is initially disabled.
+     *
+     * @see #setEnabled(boolean)
+     */
+    protected MonopolyAppState() {
+        setEnabled(false);
+    }
+
+    /**
+     * Initializes the state manager and application.
+     *
+     * @param stateManager The state manager
+     * @param application  The application instance
+     */
+    @Override
+    public void initialize(AppStateManager stateManager, Application application) {
+        super.initialize(stateManager, application);
+        this.app = (MonopolyApp) application;
+        if (isEnabled()) enableState();
+    }
+
+    /**
+     * Returns the MonopolyApp instance associated with this MonopolyAppState.
+     *
+     * @return The MonopolyApp instance.
+     */
+    public MonopolyApp getApp() {
+        return app;
+    }
+
+    /**
+     * Returns the client game logic handler.
+     *
+     * @return the client game logic handler
+     */
+    public ClientGameLogic getGameLogic() {
+        return app.getGameLogic();
+    }
+
+    /**
+     * Checks if any dialog is currently displayed.
+     *
+     * @return true if any dialog is currently shown, false otherwise
+     */
+    public boolean showsDialog() {
+        return app.getDialogManager().showsDialog();
+    }
+
+    /**
+     * Sets the enabled state of the MonopolyAppState.
+     * If the new state is the same as the current state, the method returns.
+     *
+     * @param enabled The new enabled state.
+     */
+    @Override
+    public void setEnabled(boolean enabled) {
+        if (isEnabled() == enabled) return;
+        super.setEnabled(enabled);
+        if (app != null) {
+            if (enabled)
+                enableState();
+            else
+                disableState();
+        }
+    }
+
+    /**
+     * This method is called when the state is enabled.
+     * It is meant to be overridden by subclasses to perform
+     * specific actions when the state is enabled.
+     */
+    protected abstract void enableState();
+
+    /**
+     * This method is called when the state is disabled.
+     * It is meant to be overridden by subclasses to perform
+     * specific actions when the state is disabled.
+     */
+    protected abstract void disableState();
+}

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

@@ -0,0 +1,153 @@
+////////////////////////////////////////
+// Programming project code
+// UniBw M, 2022, 2023, 2024
+// www.unibw.de/inf2
+// (c) Mark Minas (mark.minas@unibw.de)
+////////////////////////////////////////
+
+package pp.monopoly.client;
+
+import com.simsilica.lemur.Container;
+import com.simsilica.lemur.Label;
+import com.simsilica.lemur.TextField;
+import com.simsilica.lemur.component.SpringGridLayout;
+import pp.dialog.Dialog;
+import pp.dialog.DialogBuilder;
+import pp.dialog.SimpleDialog;
+
+import java.lang.System.Logger;
+import java.lang.System.Logger.Level;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Future;
+
+import static pp.monopoly.Resources.lookup;
+
+/**
+ * Represents a dialog for setting up a network connection in the Battleship game.
+ * Allows users to specify the host and port for connecting to a game server.
+ */
+class NetworkDialog extends SimpleDialog {
+    private static final Logger LOGGER = System.getLogger(NetworkDialog.class.getName());
+    private static final String LOCALHOST = "localhost"; //NON-NLS
+    private static final String DEFAULT_PORT = "1234"; //NON-NLS
+    private final NetworkSupport network;
+    private final TextField host = new TextField(LOCALHOST);
+    private final TextField port = new TextField(DEFAULT_PORT);
+    private String hostname;
+    private int portNumber;
+    private Future<Object> connectionFuture;
+    private Dialog progressDialog;
+
+    /**
+     * Constructs a new NetworkDialog.
+     *
+     * @param network The NetworkSupport instance to be used for network operations.
+     */
+    NetworkDialog(NetworkSupport network) {
+        super(network.getApp().getDialogManager());
+        this.network = network;
+        host.setSingleLine(true);
+        host.setPreferredWidth(400f);
+        port.setSingleLine(true);
+
+        final MonopolyApp app = network.getApp();
+        final Container input = new Container(new SpringGridLayout());
+        input.addChild(new Label(lookup("host.name") + ":  "));
+        input.addChild(host, 1);
+        input.addChild(new Label(lookup("port.number") + ":  "));
+        input.addChild(port, 1);
+
+        DialogBuilder.simple(app.getDialogManager())
+                     .setTitle(lookup("server.dialog"))
+                     .setExtension(d -> d.addChild(input))
+                     .setOkButton(lookup("button.connect"), d -> connect())
+                     .setNoButton(lookup("button.cancel"), app::closeApp)
+                     .setOkClose(false)
+                     .setNoClose(false)
+                     .build(this);
+    }
+
+    /**
+     * Handles the action for the connect button in the connection dialog.
+     * Tries to parse the port number and initiate connection to the server.
+     */
+    private void connect() {
+        LOGGER.log(Level.INFO, "connect to host={0}, port={1}", host, port); //NON-NLS
+        try {
+            hostname = host.getText().trim().isEmpty() ? LOCALHOST : host.getText();
+            portNumber = Integer.parseInt(port.getText());
+            openProgressDialog();
+            connectionFuture = network.getApp().getExecutor().submit(this::initNetwork);
+        }
+        catch (NumberFormatException e) {
+            network.getApp().errorDialog(lookup("port.must.be.integer"));
+        }
+    }
+
+    /**
+     * Creates a dialog indicating that the connection is in progress.
+     */
+    private void openProgressDialog() {
+        progressDialog = DialogBuilder.simple(network.getApp().getDialogManager())
+                                      .setText(lookup("label.connecting"))
+                                      .build();
+        progressDialog.open();
+    }
+
+    /**
+     * Tries to initialize the network connection.
+     *
+     * @throws RuntimeException If an error occurs when creating the client.
+     */
+    private Object initNetwork() {
+        try {
+            network.initNetwork(hostname, portNumber);
+            return null;
+        }
+        catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    /**
+     * This method is called by {@linkplain pp.dialog.DialogManager#update(float)} for periodically
+     * updating this dialog. T
+     */
+    @Override
+    public void update(float delta) {
+        if (connectionFuture != null && connectionFuture.isDone())
+            try {
+                connectionFuture.get();
+                success();
+            }
+            catch (ExecutionException e) {
+                failure(e.getCause());
+            }
+            catch (InterruptedException e) {
+                LOGGER.log(Level.WARNING, "Interrupted!", e); //NON-NLS
+                Thread.currentThread().interrupt();
+            }
+    }
+
+    /**
+     * Handles a successful connection to the game server.
+     */
+    private void success() {
+        connectionFuture = null;
+        progressDialog.close();
+        this.close();
+        network.getApp().setInfoText(lookup("wait.for.an.opponent"));
+    }
+
+    /**
+     * Handles a failed connection attempt.
+     *
+     * @param e The cause of the failure.
+     */
+    private void failure(Throwable e) {
+        connectionFuture = null;
+        progressDialog.close();
+        network.getApp().errorDialog(lookup("server.connection.failed"));
+        network.getApp().setInfoText(e.getLocalizedMessage());
+    }
+}

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

@@ -0,0 +1,152 @@
+////////////////////////////////////////
+// Programming project code
+// UniBw M, 2022, 2023, 2024
+// www.unibw.de/inf2
+// (c) Mark Minas (mark.minas@unibw.de)
+////////////////////////////////////////
+
+package pp.monopoly.client;
+
+import com.jme3.network.Client;
+import com.jme3.network.ClientStateListener;
+import com.jme3.network.Message;
+import com.jme3.network.MessageListener;
+import com.jme3.network.Network;
+import pp.monopoly.game.client.ServerConnection;
+import pp.monopoly.message.client.ClientMessage;
+import pp.monopoly.message.server.ServerMessage;
+
+import java.io.IOException;
+import java.lang.System.Logger;
+import java.lang.System.Logger.Level;
+
+import static pp.monopoly.Resources.lookup;
+
+/**
+ * Manages the network connection for the Battleship application.
+ * Handles connecting to and disconnecting from the server, and sending messages.
+ */
+class NetworkSupport implements MessageListener<Client>, ClientStateListener, ServerConnection {
+    private static final Logger LOGGER = System.getLogger(NetworkSupport.class.getName());
+    private final MonopolyApp app;
+    private Client client;
+
+    /**
+     * Constructs a NetworkSupport instance for the given Battleship application.
+     *
+     * @param app The Battleship application instance.
+     */
+    public NetworkSupport(MonopolyApp app) {
+        this.app = app;
+    }
+
+    /**
+     * Returns the Battleship application instance.
+     *
+     * @return Battleship application instance
+     */
+    MonopolyApp getApp() {
+        return app;
+    }
+
+    /**
+     * Checks if there is a connection to the game server.
+     *
+     * @return true if there is a connection to the game server, false otherwise.
+     */
+    @Override
+    public boolean isConnected() {
+        return client != null && client.isConnected();
+    }
+
+    /**
+     * Attempts to join the game if there is no connection yet.
+     * Opens a dialog for the user to enter the host and port information.
+     */
+    @Override
+    public void connect() {
+        if (client == null)
+            new NetworkDialog(this).open();
+    }
+
+    /**
+     * Closes the client connection.
+     */
+    @Override
+    public void disconnect() {
+        if (client == null) return;
+        client.close();
+        client = null;
+        LOGGER.log(Level.INFO, "client closed"); //NON-NLS
+    }
+
+    /**
+     * Initializes the network connection.
+     *
+     * @param host The server's address.
+     * @param port The server's port.
+     * @throws IOException If an I/O error occurs when creating the client.
+     */
+    void initNetwork(String host, int port) throws IOException {
+        if (client != null)
+            throw new IllegalStateException("trying to join a game again");
+        client = Network.connectToServer(host, port);
+        client.start();
+        client.addMessageListener(this);
+        client.addClientStateListener(this);
+    }
+
+    /**
+     * Called when a message is received from the server.
+     *
+     * @param client  The client instance that received the message.
+     * @param message The message received from the server.
+     */
+    @Override
+    public void messageReceived(Client client, Message message) {
+        LOGGER.log(Level.INFO, "message received from server: {0}", message); //NON-NLS
+        if (message instanceof ServerMessage serverMessage)
+            app.enqueue(() -> serverMessage.accept(app.getGameLogic()));
+    }
+
+    /**
+     * Called when the client has successfully connected to the server.
+     *
+     * @param client The client that connected to the server.
+     */
+    @Override
+    public void clientConnected(Client client) {
+        LOGGER.log(Level.INFO, "Client connected: {0}", client); //NON-NLS
+    }
+
+    /**
+     * Called when the client is disconnected from the server.
+     *
+     * @param client         The client that was disconnected.
+     * @param disconnectInfo Information about the disconnection.
+     */
+    @Override
+    public void clientDisconnected(Client client, DisconnectInfo disconnectInfo) {
+        LOGGER.log(Level.INFO, "Client {0} disconnected: {1}", client, disconnectInfo); //NON-NLS
+        if (this.client != client)
+            throw new IllegalArgumentException("parameter value must be client");
+        LOGGER.log(Level.INFO, "client still connected: {0}", client.isConnected()); //NON-NLS
+        this.client = null;
+        disconnect();
+        app.enqueue(() -> app.setInfoText(lookup("lost.connection.to.server")));
+    }
+
+    /**
+     * Sends the specified message to the server.
+     *
+     * @param message The message to be sent to the server.
+     */
+    @Override
+    public void send(ClientMessage message) {
+        LOGGER.log(Level.INFO, "sending {0}", message); //NON-NLS
+        if (client == null)
+            app.errorDialog(lookup("lost.connection.to.server"));
+        else
+            client.send(message);
+    }
+}

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

@@ -0,0 +1,89 @@
+////////////////////////////////////////
+// Programming project code
+// UniBw M, 2022, 2023, 2024
+// www.unibw.de/inf2
+// (c) Mark Minas (mark.minas@unibw.de)
+////////////////////////////////////////
+
+package pp.monopoly.client.gui;
+
+import com.jme3.scene.Node;
+import com.jme3.scene.Spatial;
+import pp.monopoly.model.Item;
+import pp.monopoly.model.Board;
+import pp.monopoly.model.Visitor;
+import pp.monopoly.notification.GameEventListener;
+import pp.monopoly.notification.ItemAddedEvent;
+import pp.monopoly.notification.ItemRemovedEvent;
+import pp.view.ModelViewSynchronizer;
+
+/**
+ * Abstract base class for synchronizing the visual representation of a {@link Board} with its model state.
+ * This class handles the addition and removal of items from the map, ensuring that changes in the model
+ * are accurately reflected in the view.
+ * <p>
+ * Subclasses are responsible for providing the specific implementation of how each item in the map
+ * is represented visually by implementing the {@link Visitor} interface.
+ * </p>
+ */
+abstract class BoardSynchronizer extends ModelViewSynchronizer<Item> implements Visitor<Spatial>, GameEventListener {
+    // The map that this synchronizer is responsible for
+    private final Board board;
+
+    /**
+     * Constructs a new BoardSynchronizer.
+     * Initializes the synchronizer with the provided map and the root node for attaching view representations.
+     *
+     * @param map  the map to be synchronized
+     * @param root the root node to which the view representations of the map items are attached
+     */
+    protected BoardSynchronizer(Board map, Node root) {
+        super(root);
+        this.board = map;
+    }
+
+    /**
+     * Translates a model item into its corresponding visual representation.
+     * The specific visual representation is determined by the concrete implementation of the {@link Visitor} interface.
+     *
+     * @param item the item from the model to be translated
+     * @return the visual representation of the item as a {@link Spatial}
+     */
+    @Override
+    protected Spatial translate(Item item) {
+        return item.accept(this);
+    }
+
+    /**
+     * Adds the existing items from the map to the view.
+     * This method should be called during initialization to ensure that all current items in the map
+     * are visually represented.
+     */
+    protected void addExisting() {
+        board.getItems().forEach(this::add);
+    }
+
+    /**
+     * Handles the event when an item is removed from the map.
+     * Removes the visual representation of the item from the view if it belongs to the synchronized map.
+     *
+     * @param event the event indicating that an item has been removed from the map
+     */
+    @Override
+    public void receivedEvent(ItemRemovedEvent event) {
+        if (board == event.map())
+            delete(event.item());
+    }
+
+    /**
+     * Handles the event when an item is added to the map.
+     * Adds the visual representation of the new item to the view if it belongs to the synchronized map.
+     *
+     * @param event the event indicating that an item has been added to the map
+     */
+    @Override
+    public void receivedEvent(ItemAddedEvent event) {
+        if (board == event.map())
+            add(event.item());
+    }
+}

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

@@ -0,0 +1,191 @@
+////////////////////////////////////////
+// Programming project code
+// UniBw M, 2022, 2023, 2024
+// www.unibw.de/inf2
+// (c) Mark Minas (mark.minas@unibw.de)
+////////////////////////////////////////
+
+package pp.monopoly.client.gui;
+
+import com.jme3.material.Material;
+import com.jme3.material.RenderState.BlendMode;
+import com.jme3.math.ColorRGBA;
+import com.jme3.math.Vector2f;
+import com.jme3.math.Vector3f;
+import com.jme3.scene.Geometry;
+import com.jme3.scene.Node;
+import com.jme3.scene.Spatial.CullHint;
+import com.jme3.scene.shape.Quad;
+import pp.monopoly.client.MonopolyApp;
+import pp.monopoly.model.IntPoint;
+import pp.monopoly.model.Board;
+import pp.util.FloatPoint;
+import pp.util.Position;
+
+/**
+ * Represents the visual view of a {@link Board}, used to display the map structure such as the player's map, harbor,
+ * and opponent's map. This class handles the graphical representation of the map, including background setup, grid lines,
+ * and interaction between the model and the view.
+ */
+class MapView {
+    private static final float FIELD_SIZE = 40f;
+    private static final float GRID_LINE_WIDTH = 2f;
+    private static final float BACKGROUND_DEPTH = -4f;
+    private static final float GRID_DEPTH = -1f;
+    private static final ColorRGBA BACKGROUND_COLOR = new ColorRGBA(0, 0.05f, 0.05f, 0.5f);
+    private static final ColorRGBA GRID_COLOR = ColorRGBA.Green;
+
+    // Reference to the main application and the ship map being visualized
+    private final MonopolyApp app;
+    private final Node mapNode = new Node("map"); // NON-NLS
+    private final Board map;
+    private final MapViewSynchronizer synchronizer;
+
+    /**
+     * Constructs a new MapView for a given {@link Board} and {@link MonopolyApp}.
+     * Initializes the view by setting up the background and registering a synchronizer to listen to changes in the map.
+     *
+     * @param map the ship map to visualize
+     * @param app the main application instance
+     */
+    MapView(Board map, MonopolyApp app) {
+        this.map = map;
+        this.app = app;
+        this.synchronizer = new MapViewSynchronizer(this);
+        setupBackground();
+        app.getGameLogic().addListener(synchronizer);
+    }
+
+    /**
+     * Unregisters the {@link MapViewSynchronizer} from the listener list of the ClientGameLogic,
+     * stopping the view from receiving updates when the underlying {@link Board} changes.
+     * After calling this method, this MapView instance should no longer be used.
+     */
+    void unregister() {
+        app.getGameLogic().removeListener(synchronizer);
+    }
+
+    /**
+     * Gets the {@link Board} associated with this view.
+     *
+     * @return the ship map
+     */
+    public Board getMap() {
+        return map;
+    }
+
+    /**
+     * Gets the {@link MonopolyApp} instance associated with this view.
+     *
+     * @return the main application instance
+     */
+    public MonopolyApp getApp() {
+        return app;
+    }
+
+    /**
+     * Sets up the background of the map view using a quad geometry.
+     * The background is configured with a semi-transparent color and placed at a specific depth.
+     */
+    private void setupBackground() {
+        final Material mat = new Material(app.getAssetManager(), "Common/MatDefs/Misc/Unshaded.j3md"); // NON-NLS
+        mat.setColor("Color", BACKGROUND_COLOR); // NON-NLS
+        mat.getAdditionalRenderState().setBlendMode(BlendMode.Alpha);
+        final Position corner = modelToView(map.getWidth(), map.getHeight());
+        final Geometry background = new Geometry("MapBackground", new Quad(corner.getX(), corner.getY()));
+        background.setMaterial(mat);
+        background.setLocalTranslation(0f, 0f, BACKGROUND_DEPTH);
+        background.setCullHint(CullHint.Never);
+        mapNode.attachChild(background);
+    }
+
+    /**
+     * Adds grid lines to the map view to visually separate the fields within the map.
+     * The grid lines are drawn based on the dimensions of the ship map.
+     */
+    public void addGrid() {
+        for (int x = 0; x <= map.getWidth(); x++) {
+            final Position f = modelToView(x, 0);
+            final Position t = modelToView(x, map.getHeight());
+            mapNode.attachChild(gridLine(f, t));
+        }
+        for (int y = 0; y <= map.getHeight(); y++) {
+            final Position f = modelToView(0, y);
+            final Position t = modelToView(map.getWidth(), y);
+            mapNode.attachChild(gridLine(f, t));
+        }
+    }
+
+    /**
+     * Gets the root node containing all visual elements in this map view.
+     *
+     * @return the root node for the map view
+     */
+    public Node getNode() {
+        return mapNode;
+    }
+
+    /**
+     * Gets the total width of the map in view coordinates.
+     *
+     * @return the width of the map in view coordinates
+     */
+    public float getWidth() {
+        return FIELD_SIZE * map.getWidth();
+    }
+
+    /**
+     * Gets the total height of the map in view coordinates.
+     *
+     * @return the height of the map in view coordinates
+     */
+    public float getHeight() {
+        return FIELD_SIZE * map.getHeight();
+    }
+
+    /**
+     * Converts coordinates from view coordinates to model coordinates.
+     *
+     * @param x the x-coordinate in view space
+     * @param y the y-coordinate in view space
+     * @return the corresponding model coordinates as an {@link IntPoint}
+     */
+    public IntPoint viewToModel(float x, float y) {
+        return new IntPoint((int) Math.floor(x / FIELD_SIZE), (int) Math.floor(y / FIELD_SIZE));
+    }
+
+    /**
+     * Converts coordinates from model coordinates to view coordinates.
+     *
+     * @param x the x-coordinate in model space
+     * @param y the y-coordinate in model space
+     * @return the corresponding view coordinates as a {@link Position}
+     */
+    public Position modelToView(float x, float y) {
+        return new FloatPoint(x * FIELD_SIZE, y * FIELD_SIZE);
+    }
+
+    /**
+     * Converts the mouse position to model coordinates.
+     * This method takes into account the map's transformation in the 3D scene.
+     *
+     * @param pos the 2D vector representing the mouse position in the view
+     * @return the corresponding model coordinates as an {@link IntPoint}
+     */
+    public IntPoint mouseToModel(Vector2f pos) {
+        final Vector3f world = new Vector3f(pos.getX(), pos.getY(), 0f);
+        final Vector3f view = mapNode.getWorldTransform().transformInverseVector(world, null);
+        return viewToModel(view.getX(), view.getY());
+    }
+
+    /**
+     * Creates a visual representation of a grid line between two positions.
+     *
+     * @param p1 the start position of the grid line
+     * @param p2 the end position of the grid line
+     * @return a {@link Geometry} representing the grid line
+     */
+    private Geometry gridLine(Position p1, Position p2) {
+        return app.getDraw().makeFatLine(p1, p2, GRID_DEPTH, GRID_COLOR, GRID_LINE_WIDTH);
+    }
+}

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

@@ -0,0 +1,63 @@
+////////////////////////////////////////
+// Programming project code
+// UniBw M, 2022, 2023, 2024
+// www.unibw.de/inf2
+// (c) Mark Minas (mark.minas@unibw.de)
+////////////////////////////////////////
+
+package pp.monopoly.client.gui;
+
+import com.jme3.math.ColorRGBA;
+import com.jme3.scene.Geometry;
+import com.jme3.scene.Node;
+import com.jme3.scene.Spatial;
+import pp.util.Position;
+
+/**
+ * Synchronizes the visual representation of the ship map with the game model.
+ * It handles the rendering of ships and shots on the map view, updating the view
+ * whenever changes occur in the model.
+ */
+class MapViewSynchronizer extends BoardSynchronizer {
+    // Constants for rendering properties
+    private static final float SHIP_LINE_WIDTH = 6f;
+    private static final float SHOT_DEPTH = -2f;
+    private static final float SHIP_DEPTH = 0f;
+    private static final float INDENT = 4f;
+
+    // Colors used for different visual elements
+    private static final ColorRGBA HIT_COLOR = ColorRGBA.Red;
+    private static final ColorRGBA MISS_COLOR = ColorRGBA.Blue;
+    private static final ColorRGBA SHIP_BORDER_COLOR = ColorRGBA.White;
+    private static final ColorRGBA PREVIEW_COLOR = ColorRGBA.Gray;
+    private static final ColorRGBA ERROR_COLOR = ColorRGBA.Red;
+
+    // The MapView associated with this synchronizer
+    private final MapView view;
+
+    /**
+     * Constructs a new MapViewSynchronizer for the given MapView.
+     * Initializes the synchronizer and adds existing elements from the model to the view.
+     *
+     * @param view the MapView to synchronize with the game model
+     */
+    public MapViewSynchronizer(MapView view) {
+        super(view.getMap(), view.getNode());
+        this.view = view;
+        addExisting();
+    }
+
+    /**
+     * Creates a line geometry representing part of the ship's border.
+     *
+     * @param x1    the starting x-coordinate of the line
+     * @param y1    the starting y-coordinate of the line
+     * @param x2    the ending x-coordinate of the line
+     * @param y2    the ending y-coordinate of the line
+     * @param color the color of the line
+     * @return a Geometry representing the line
+     */
+    private Geometry shipLine(float x1, float y1, float x2, float y2, ColorRGBA color) {
+        return view.getApp().getDraw().makeFatLine(x1, y1, x2, y2, SHIP_DEPTH, color, SHIP_LINE_WIDTH);
+    }
+}