tiny_settlement_schule/src/main/java/view/sound/SoundManager.java

package view.sound;

import javax.sound.sampled.*;
import java.io.IOException;
import java.net.URL;
import java.util.EnumMap;

public class SoundManager{
    private static SoundManager instance;
    private EnumMap<SOUNDS, Clip> soundMap;

    public void stopLoopSound(SOUNDS sound) {
        soundMap.get(sound).stop();
    }

    public void setVolume(Clip clip, float percent) {
        if (clip.isControlSupported(FloatControl.Type.MASTER_GAIN)) {
            FloatControl gainControl = (FloatControl) clip.getControl(FloatControl.Type.MASTER_GAIN);

            float min = gainControl.getMinimum(); // usually -80.0f
            float max = gainControl.getMaximum(); // usually 6.0f or 0.0f

            // Convert percent (0–100) to decibel scale
            float range = max - min;
            float gain = (range * percent / 100f) + min;

            gainControl.setValue(gain);
        } else {
            System.err.println("Volume control not supported for this clip.");
        }
    }
    public void setVolume(float volume) {
        soundMap.forEach((sound, clip) -> {
            setVolume(clip, volume);
        });
    }

    public enum SOUNDS {
        CLICK,
        MOVING_BUSH,
        VILLAGER
    }


    private SoundManager() {
        soundMap = new EnumMap<>(SOUNDS.class);
    }

    public void loadAllSounds(){
        SoundManager.getInstance().loadSound(SoundManager.SOUNDS.CLICK, "sound/click.wav");
        SoundManager.getInstance().loadSound(SoundManager.SOUNDS.VILLAGER, "sound/villager.wav");
        SoundManager.getInstance().loadSound(SoundManager.SOUNDS.MOVING_BUSH, "sound/moving_bush.wav");
    }

    public void loopSound(SOUNDS sound){
        Clip clip = soundMap.get(sound);
        if(clip != null){
            if(clip.isRunning()){
                clip.stop();
            }else{
                clip.loop(Clip.LOOP_CONTINUOUSLY);
            }
        }

    }

    public static SoundManager getInstance() {
        if (instance == null) {
            instance = new SoundManager();
        }
        return instance;
    }

    public void loadSound(SOUNDS sound, String resourcePath) {
        try {
            URL soundURL = getClass().getClassLoader().getResource(resourcePath);
            if (soundURL == null) {
                System.err.println("Resource not found: " + resourcePath);
                return;
            }

            AudioInputStream audioStream = AudioSystem.getAudioInputStream(soundURL);
            Clip clip = AudioSystem.getClip();
            clip.open(audioStream);
            soundMap.put(sound, clip);
        } catch (UnsupportedAudioFileException | IOException | LineUnavailableException e) {
            System.err.println("Failed to load sound " + sound + ": " + e.getMessage());
        }
    }

    public void playSound(SOUNDS sound) {

        Clip clip = soundMap.get(sound);
        if (clip != null) {
            if (clip.isRunning()) {
                clip.stop();
            }
            clip.setFramePosition(0);
            clip.start();
        } else {
            System.err.println("Sound " + sound + " wurde nicht geladen.");
        }
    }

    public void unloadAllSounds() {
        for (Clip clip : soundMap.values()) {
            clip.close();
        }
        soundMap.clear();
    }
}