made choosing file native and added and stylised the settings to actu…

…llay change the enviroment

src/main/java/edu/ntnu/idi/idatt2003/gruppe42/Audio/Audio.java

@@ -1,5 +1,8 @@
 package edu.ntnu.idi.idatt2003.gruppe42.Audio;
 
+/**
+ * Represents a Audio enum.
+ */
 public enum Audio {
 
   // Sound effects
@@ -19,10 +22,18 @@ public enum Audio {
     this.isSFX = isSFX;
   }
 
+  /**
+   * Returns the path.
+   *
+   * @return the value
+   */
   public String getPath() {
     return path;
   }
 
+  /**
+   * Issfx method.
+   */
   public boolean isSFX() {
     return isSFX;
   }

src/main/java/edu/ntnu/idi/idatt2003/gruppe42/Audio/AudioManager.java

@@ -1,65 +1,156 @@
 package edu.ntnu.idi.idatt2003.gruppe42.Audio;
 
-import javax.sound.sampled.*;
-import javafx.scene.media.Media;
-import javafx.scene.media.MediaPlayer;
 import java.io.IOException;
 import java.util.EnumMap;
 import java.util.Map;
+import javafx.beans.property.DoubleProperty;
+import javafx.beans.property.SimpleDoubleProperty;
+import javafx.scene.media.Media;
+import javafx.scene.media.MediaPlayer;
+import javax.sound.sampled.AudioSystem;
+import javax.sound.sampled.Clip;
+import javax.sound.sampled.FloatControl;
+import javax.sound.sampled.LineEvent;
+
+/**
+ * Represents a AudioManager class.
+ */
+public final class AudioManager {
 
-public class AudioManager {
+  private static final AudioManager INSTANCE = new AudioManager();
 
-  private static final AudioManager instance = new AudioManager();
   private final Map<Audio, byte[]> sfxCache = new EnumMap<>(Audio.class);
   private MediaPlayer bgPlayer;
 
+  private final DoubleProperty masterVolume = new SimpleDoubleProperty(0.8);
+  private final DoubleProperty sfxVolume    = new SimpleDoubleProperty(0.8);
+
   private AudioManager() {
     for (Audio audio : Audio.values()) {
       if (audio.isSFX()) {
         try (var stream = getClass().getResourceAsStream(audio.getPath())) {
-          sfxCache.put(audio, stream.readAllBytes());
+          if (stream != null) {
+            sfxCache.put(audio, stream.readAllBytes());
+          }
         } catch (IOException e) {
-          e.printStackTrace();
+          System.err.println("[Audio] Failed to cache " + audio + ": " + e.getMessage());
         }
       }
     }
+
+    // Keep background music volume in sync with master × 0.5 (bg is quieter)
+    masterVolume.addListener((obs, ov, nv) -> {
+      if (bgPlayer != null) {
+        bgPlayer.setVolume(nv.doubleValue() * 0.5);
+      }
+    });
   }
 
-  public static AudioManager getInstance() { return instance; }
+  public static AudioManager get() { return INSTANCE; }
+
 
-  public void playSFX(Audio audio) {
+  /**
+   * Playsfx method.
+   */
+  public void playSFX(final Audio audio) {
     byte[] data = sfxCache.get(audio);
     if (data == null) return;
 
+    double volume = masterVolume.get() * sfxVolume.get();
+
     new Thread(() -> {
       try {
-        var stream = AudioSystem.getAudioInputStream(
-                new java.io.ByteArrayInputStream(data));
-        Clip clip = AudioSystem.getClip();
+        var bais   = new java.io.ByteArrayInputStream(data);
+        var stream = AudioSystem.getAudioInputStream(bais);
+        Clip clip  = AudioSystem.getClip();
         clip.open(stream);
+
+        // Apply volume via MASTER_GAIN
+        if (clip.isControlSupported(FloatControl.Type.MASTER_GAIN)) {
+          FloatControl gain = (FloatControl) clip.getControl(FloatControl.Type.MASTER_GAIN);
+          float db = volumeToDb(volume);
+          gain.setValue(Math.max(gain.getMinimum(), Math.min(gain.getMaximum(), db)));
+        }
+
         clip.addLineListener(e -> {
           if (e.getType() == LineEvent.Type.STOP) clip.close();
         });
         clip.start();
+
       } catch (Exception e) {
-        e.printStackTrace();
+        System.err.println("[Audio] SFX playback failed: " + e.getMessage());
       }
-    }).start();
+    }, "sfx-thread").start();
   }
 
-  public void playBgMusic(Audio audio) {
+
+  /**
+   * Playbgmusic method.
+   */
+  public void playBgMusic(final Audio audio) {
     stopBgMusic();
-    var url = getClass().getResource(audio.getPath()).toExternalForm();
+    String url = getClass().getResource(audio.getPath()).toExternalForm();
     bgPlayer = new MediaPlayer(new Media(url));
-    bgPlayer.setVolume(0.5);
+    bgPlayer.setVolume(masterVolume.get() * 0.5);
+    bgPlayer.setCycleCount(MediaPlayer.INDEFINITE);
     bgPlayer.play();
   }
 
+  /**
+   * Stopbgmusic method.
+   */
   public void stopBgMusic() {
     if (bgPlayer != null) {
       bgPlayer.stop();
       bgPlayer.dispose();
       bgPlayer = null;
     }
   }
+
+
+  /**
+   * Mastervolumeproperty method.
+   */
+  public DoubleProperty masterVolumeProperty() { return masterVolume; }
+  /**
+   * Sfxvolumeproperty method.
+   */
+  public DoubleProperty sfxVolumeProperty()    { return sfxVolume; }
+
+  /**
+   * Returns the mastervolume.
+   *
+   * @return the value
+   */
+  public double getMasterVolume() { return masterVolume.get(); }
+  /**
+   * Returns the sfxvolume.
+   *
+   * @return the value
+   */
+  public double getSfxVolume()    { return sfxVolume.get(); }
+
+  /**
+   * Sets the mastervolume.
+   *
+   * @param value the new value
+   */
+  public void setMasterVolume(final double v) { masterVolume.set(clamp(v)); }
+  /**
+   * Sets the sfxvolume.
+   *
+   * @param value the new value
+   */
+  public void setSfxVolume(final double v)    { sfxVolume.set(clamp(v)); }
+
+
+  /** Converts a 0.0–1.0 linear volume to decibels for FloatControl. */
+  private static float volumeToDb(final double volume) {
+    if (volume <= 0.0) return -80.0f;
+    return (float) (20.0 * Math.log10(volume));
+  }
+
+  private static double clamp(final double v) {
+    return Math.max(0.0, Math.min(1.0, v));
+  }
 }

src/main/java/edu/ntnu/idi/idatt2003/gruppe42/Controller/AppControllers/AppStoreController.java

@@ -15,6 +15,9 @@ public AppStoreController(final AppStoreApp appStoreApp) {
   }
 
   @Override
+  /**
+   * Nexttick method.
+   */
   public void nextTick() {
   }
 }

src/main/java/edu/ntnu/idi/idatt2003/gruppe42/Controller/AppControllers/BankAppController.java

@@ -20,6 +20,9 @@ public record BankAppController(BankApp bankApp, Player player) implements AppCo
   }
 
   @Override
+  /**
+   * Nexttick method.
+   */
   public void nextTick() {
     Platform.runLater(() -> {
       bankApp.updateStatus(