Added Ex. 10

Projekte/battleship/client/src/main/java/pp/battleship/client/BattleshipApp.java

@@ -265,11 +265,23 @@ private void setupStates() {
         flyCam.setEnabled(false);
         stateManager.detach(stateManager.getState(StatsAppState.class));
         stateManager.detach(stateManager.getState(DebugKeysAppState.class));
-
+        attachGameMusic();
         attachGameSound();
         stateManager.attachAll(new EditorAppState(), new BattleAppState(), new SeaAppState());
     }
 
+    /**
+     * Attaches the game sound state and sets its initial enabled state.
+     */
+    private void attachGameMusic() {
+        //TODO: start volume
+        final GameMusic gameMusic = new GameMusic(0.5f);
+        logic.addListener(gameMusic);
+        gameMusic.setEnabled(true);
+//        gameMusic.setEnabled(GameSound.enabledInPreferences());
+        stateManager.attach(gameMusic);
+    }
+
     /**
      * Attaches the game sound state and sets its initial enabled state.
      */

Projekte/battleship/client/src/main/java/pp/battleship/client/GameMusic.java

@@ -0,0 +1,76 @@
+package pp.battleship.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.battleship.notification.GameEventListener;
+
+import java.lang.System.Logger;
+import java.lang.System.Logger.Level;
+
+public class GameMusic extends AbstractAppState implements GameEventListener {
+    private static final Logger LOGGER = System.getLogger(GameMusic.class.getName());
+    private AudioNode backgroundMusic;
+    private float startVolume;
+
+    public GameMusic(float startVolume){
+        this. startVolume = startVolume;
+    }
+
+    @Override
+    public void initialize(AppStateManager stateManager, Application app) {
+        super.initialize(stateManager, app);
+        backgroundMusic = loadSound(app, "Sound/background.wav");
+        setMusicVolume(startVolume);
+        playMusic();
+    }
+
+    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;
+    }
+
+    @Override
+    public void setEnabled(boolean enabled) {
+        if(enabled && !isEnabled()){
+            playMusic();
+        }
+        else if(!enabled && isEnabled()){
+            stopMusic();
+        }
+        super.setEnabled(enabled);
+    }
+
+    public void playMusic(){
+        if (backgroundMusic != null){
+            backgroundMusic.play();
+        }
+    }
+
+    /**
+     * Stops background music
+     */
+    public void stopMusic(){
+        if (backgroundMusic != null){
+            backgroundMusic.stop();
+        }
+    }
+
+    public void setMusicVolume(float volume){
+        if(backgroundMusic != null){
+            backgroundMusic.setVolume(volume);
+        }
+    }
+}

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

@@ -35,6 +35,7 @@ public class GameSound extends AbstractAppState implements GameEventListener {
     private AudioNode shipDestroyedSound;
     private AudioNode explosionSound;
 
+
     /**
      * Checks if sound is enabled in the preferences.
      *

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

@@ -10,6 +10,8 @@
 import com.simsilica.lemur.Button;
 import com.simsilica.lemur.Checkbox;
 import com.simsilica.lemur.Label;
+import com.simsilica.lemur.RangedValueModel;
+import com.simsilica.lemur.Slider;
 import com.simsilica.lemur.style.ElementId;
 import pp.dialog.Dialog;
 import pp.dialog.StateCheckboxModel;
@@ -33,6 +35,7 @@ class Menu extends Dialog {
     private final BattleshipApp app;
     private final Button loadButton = new Button(lookup("menu.map.load"));
     private final Button saveButton = new Button(lookup("menu.map.save"));
+    private final VolumeSlider volumeSlider;
 
     /**
      * Constructs the Menu dialog for the Battleship application.
@@ -42,9 +45,15 @@ class Menu extends Dialog {
     public Menu(BattleshipApp app) {
         super(app.getDialogManager());
         this.app = app;
+        volumeSlider = new VolumeSlider(0.5f, app.getStateManager().getState(GameMusic.class));
+
         addChild(new Label(lookup("battleship.name"), new ElementId("header"))); //NON-NLS
         addChild(new Checkbox(lookup("menu.sound-enabled"),
                               new StateCheckboxModel(app, GameSound.class)));
+
+        addChild(new Checkbox(lookup("menu.music-enabled"), new StateCheckboxModel(app, GameMusic.class)));
+        addChild(volumeSlider);
+
         addChild(loadButton)
                 .addClickCommands(s -> ifTopDialog(this::loadDialog));
         addChild(saveButton)
@@ -65,6 +74,11 @@ public void update() {
         saveButton.setEnabled(app.getGameLogic().maySaveMap());
     }
 
+    @Override
+    public void update(float delta){
+        volumeSlider.update();
+    }
+
     /**
      * As an escape action, this method closes the menu if it is the top dialog.
      */

Projekte/battleship/client/src/main/java/pp/battleship/client/SliderRangedValueModel.java

@@ -0,0 +1,71 @@
+package pp.battleship.client;
+
+import com.simsilica.lemur.RangedValueModel;
+import com.simsilica.lemur.core.VersionedReference;
+
+public class SliderRangedValueModel implements RangedValueModel {
+
+    SliderRangedValueModel(){
+
+    }
+
+
+    @Override
+    public void setValue( double val ){
+        System.out.println(val);
+    }
+
+    @Override
+    public double getValue(){
+
+        return 0;
+    }
+
+    @Override
+    public void setPercent( double val ){
+        System.out.println(val);
+    }
+
+    @Override
+    public double getPercent(){
+
+        return 0;
+    }
+
+    @Override
+    public void setMaximum( double max ){
+
+    }
+
+    @Override
+    public double getMaximum(){
+
+        return 0;
+    }
+
+    @Override
+    public void setMinimum( double min ){
+
+    }
+
+    @Override
+    public double getMinimum(){
+
+        return 0;
+    }
+
+    @Override
+    public long getVersion() {
+        return 0;
+    }
+
+    @Override
+    public Double getObject() {
+        return 0.0;
+    }
+
+    @Override
+    public VersionedReference<Double> createReference() {
+        return null;
+    }
+}

Projekte/battleship/client/src/main/java/pp/battleship/client/VolumeSlider.java

@@ -0,0 +1,25 @@
+package pp.battleship.client;
+
+import com.simsilica.lemur.Slider;
+
+public class VolumeSlider extends Slider {
+    private GameMusic gameMusic;
+    private float volume;
+
+    public VolumeSlider(float startVolume, GameMusic gameMusic){
+        super();
+        getModel().setPercent(startVolume);
+        this.gameMusic = gameMusic;
+        this.volume = (float) getModel().getPercent();
+        gameMusic.setMusicVolume(volume);
+        System.out.println("init");
+    }
+
+    public void update(){
+        if(getModel().getPercent() != volume){
+            System.out.println(volume);
+            this.volume = (float) getModel().getPercent();
+            gameMusic.setMusicVolume(volume);
+        }
+    }
+}

Projekte/battleship/model/src/main/resources/battleship.properties

@@ -31,6 +31,7 @@ menu.return-to-game=Return to game
 menu.sound-enabled=Sound switched on
 menu.map.load=Load map from file...
 menu.map.save=Save map in file...
+menu.music-enabled=Music on
 label.file=File:
 label.connecting=Connecting...
 dialog.error=Error
@@ -38,3 +39,4 @@ dialog.question=Question
 port.must.be.integer=Port must be an integer number
 map.doesnt.fit=The map doesn't fit to this game
 invalid.map=Invalid Map!
+

Projekte/battleship/model/src/main/resources/battleship_de.properties

@@ -31,6 +31,7 @@ menu.return-to-game=Zur
 menu.sound-enabled=Sound eingeschaltet
 menu.map.load=Karte von Datei laden...
 menu.map.save=Karte in Datei speichern...
+menu.music-enabled=Musik an
 label.file=Datei:
 label.connecting=Verbindung wird aufgebaut...
 dialog.error=Fehler