change audio system for one-shot samples to improve performance

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

@@ -3,22 +3,28 @@
 public enum Audio {
 
   // Sound effects
-  OPEN_APP("/Audio/open_app.mp3"),
-  CLOSE_APP("/Audio/close_app.mp3"),
-  WARNING("/Audio/warning.mp3"),
-  CLOCK("/Audio/clock.mp3"),
+  OPEN_APP("/Audio/open_app.wav", true),
+  CLOSE_APP("/Audio/close_app.wav", true),
+  WARNING("/Audio/warning.wav", true),
+  CLOCK("/Audio/clock.wav", true),
 
   // Background music
-  WEEKEND_THEME("/Audio/weekend_theme.mp3"),
-  GAME_OVER_THEME("/Audio/game_over_theme.mp3");
+  WEEKEND_THEME("/Audio/weekend_theme.mp3", false),
+  GAME_OVER_THEME("/Audio/game_over_theme.mp3", false);
 
   private String path;
+  private boolean isSFX;
 
-  Audio(String path) {
+  Audio(String path, boolean isSFX) {
     this.path = path;
+    this.isSFX = isSFX;
   }
 
   public String getPath() {
     return path;
   }
+
+  public boolean isSFX() {
+    return isSFX;
+  }
 }

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

@@ -1,52 +1,58 @@
 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;
 
 public class AudioManager {
 
   private static final AudioManager instance = new AudioManager();
-  private final Map<Audio, String> urlCache = new EnumMap<>(Audio.class);
+  private final Map<Audio, byte[]> sfxCache = new EnumMap<>(Audio.class);
   private MediaPlayer bgPlayer;
 
   private AudioManager() {
     for (Audio audio : Audio.values()) {
-      var url = getClass().getResource(audio.getPath());
-      urlCache.put(audio, url.toExternalForm());
+      if (audio.isSFX()) {
+        try (var stream = getClass().getResourceAsStream(audio.getPath())) {
+          sfxCache.put(audio, stream.readAllBytes());
+        } catch (IOException e) {
+          e.printStackTrace();
+        }
+      }
     }
   }
 
   public static AudioManager getInstance() { return instance; }
 
   public void playSFX(Audio audio) {
-    String url = urlCache.get(audio);
-
-    if (url == null) {
-      return;
-    }
-
-    MediaPlayer sfxPlayer = new MediaPlayer(new Media(url));
-    sfxPlayer.setOnEndOfMedia(() -> {
-      sfxPlayer.stop();
-      sfxPlayer.dispose();
-    });
+    byte[] data = sfxCache.get(audio);
+    if (data == null) return;
 
-    sfxPlayer.play();
+    new Thread(() -> {
+      try {
+        var stream = AudioSystem.getAudioInputStream(
+                new java.io.ByteArrayInputStream(data));
+        Clip clip = AudioSystem.getClip();
+        clip.open(stream);
+        clip.addLineListener(e -> {
+          if (e.getType() == LineEvent.Type.STOP) clip.close();
+        });
+        clip.start();
+      } catch (Exception e) {
+        e.printStackTrace();
+      }
+    }).start();
   }
 
   public void playBgMusic(Audio audio) {
     stopBgMusic();
-
-    String url = urlCache.get(audio);
-    if (url == null) {
-      return;
-    }
-
+    var url = getClass().getResource(audio.getPath()).toExternalForm();
     bgPlayer = new MediaPlayer(new Media(url));
-    bgPlayer.setVolume(1);
+    bgPlayer.setCycleCount(MediaPlayer.INDEFINITE);
+    bgPlayer.setVolume(0.5);
     bgPlayer.play();
   }