Godot-SpaceShooter/Scripts/SoundManager.cs

using System;
using System.Runtime.InteropServices;
using Godot;

namespace GodotspaceShooter.Scripts;

public partial class SoundManager : Node {
    [Export] private AudioStreamPlayer backgroundMusic;
    [Export] private AudioStreamPlayer gameOverMusic;
    [Export] private AudioStreamPlayer3D asteroidExplosionSound;
    [Export] private AudioStreamPlayer3D playerExplosionSound;
    [Export] private AudioStreamPlayer3D laserSound;

    public static SoundManager Instance { get; private set; }

    public enum Sound {
        BackgroundMusic,
        AsteroidExplosion,
        PlayerExplosion,
        Laser,
        GameOver
    }

    public override void _Ready() => Instance = this;

    public void Play(Sound sound, [Optional] Vector3 position) {
        float pitchScale = 0;
        if (sound is Sound.Laser or Sound.AsteroidExplosion or Sound.PlayerExplosion) pitchScale = (float)GD.RandRange(0.25f, 1.75f);

        switch (sound) {
            case Sound.AsteroidExplosion:
                asteroidExplosionSound.Position = position;
                asteroidExplosionSound.PitchScale = pitchScale;
                asteroidExplosionSound.Play();
                break;
            case Sound.Laser:
                laserSound.Position = position;
                laserSound.PitchScale = pitchScale;
                laserSound.Play();
                break;
            case Sound.PlayerExplosion:
                playerExplosionSound.Position = position;
                playerExplosionSound.PitchScale = pitchScale;
                playerExplosionSound.Play();
                break;
            case Sound.BackgroundMusic:
                backgroundMusic.Play();
                break;
            case Sound.GameOver:
                gameOverMusic.Play();
                break;
            default:
                throw new ArgumentOutOfRangeException(nameof(sound), sound, null);
        }
    }

    public void Stop(Sound sound) {
        switch (sound) {
            case Sound.AsteroidExplosion:
                asteroidExplosionSound.Stop();
                break;
            case Sound.Laser:
                laserSound.Stop();
                break;
            case Sound.PlayerExplosion:
                playerExplosionSound.Stop();
                break;
            case Sound.BackgroundMusic:
                backgroundMusic.Stop();
                break;
            case Sound.GameOver:
                gameOverMusic.Stop();
                break;
            default:
                throw new ArgumentOutOfRangeException(nameof(sound), sound, null);
        }
    }
}