public class Music {
    File f;
    AudioInputStream sound;
    DataLine.Info info;
    static Clip clip;
    static FloatControl gainControl;
    SnakePrefs pref;
    static boolean play;


    public Music(){
        try{
            pref = new SnakePrefs();
            play = pref.isMusicSwitch();
            int volMusic = pref.getMusicVol();

            f = new File("resources/music.wav");
            sound = AudioSystem.getAudioInputStream(f);

            // load the sound into memory (a Clip)
            info = new DataLine.Info(Clip.class, sound.getFormat());
            clip = (Clip) AudioSystem.getLine(info);
            clip.open(sound);
            gainControl = (FloatControl) clip.getControl(FloatControl.Type.MASTER_GAIN);
            changeVol(volMusic);
            } catch (IOException | UnsupportedAudioFileException | LineUnavailableException e){
                System.out.println("Exception occurred while playing music:");
                e.printStackTrace();
                play = false;
            }
    }

    public static void playMusic(){
          if(play){
              clip.loop(Clip.LOOP_CONTINUOUSLY);
              clip.start();
          }

    }

    public static void stopMusic(){
          clip.stop();
    }

    public static void changeVol(int vol){
        float x = (float) -((100 -  (10 * vol)) / 4);
        gainControl.setValue(x);
    }

}