test/Assets/PerfectWorld/Scripts/Sound/TemporaryBackgroundMusic.cs

using Cysharp.Threading.Tasks;
using UnityEngine;


namespace BrewMonster.Scripts
{
    public class TemporaryBackgroundMusic : MonoBehaviour
    {
        public string backgroundMusicPath;
        public string ambientSoundPath;

        public AudioSource backgroundMusicSource;
        public AudioSource ambientSoundSource;
        // Start is called once before the first execution of Update after the MonoBehaviour is created
        void Start()
        {
            // get the HostPlayer
            SetupAudioSources().Forget();
        }

        private async UniTask SetupAudioSources()
        {
            // get the HostPlayer
            var hostPlayer = CECGameRun.Instance.GetHostPlayer();

            while (hostPlayer == null)
            {
                await UniTask.DelayFrame(1);
                hostPlayer = CECGameRun.Instance.GetHostPlayer();
            }

            // attach 2 audio source gameobjects to the host player
            GameObject backgroundMusicObject = new GameObject("BackgroundMusic");
            backgroundMusicSource = backgroundMusicObject.AddComponent<AudioSource>();
            backgroundMusicObject.transform.parent = hostPlayer.transform;
            backgroundMusicObject.transform.localPosition = Vector3.zero;
            backgroundMusicObject.transform.localRotation = Quaternion.identity;
            backgroundMusicObject.transform.localScale = Vector3.one;

            GameObject ambientSoundObject = new GameObject("AmbientSound");
            ambientSoundSource = ambientSoundObject.AddComponent<AudioSource>();
            ambientSoundObject.transform.parent = hostPlayer.transform;
            ambientSoundObject.transform.localPosition = Vector3.zero;
            ambientSoundObject.transform.localRotation = Quaternion.identity;
            ambientSoundObject.transform.localScale = Vector3.one;

            await PlayBackgroundMusic();
        }

        private async UniTask PlayBackgroundMusic()
        {
            // use AddressableManager to load the background music and ambient sound
            var backgroundMusicClip = await AddressableManager.Instance.LoadAudioClipAsync(backgroundMusicPath.ToLower());
            var ambientSoundClip = await AddressableManager.Instance.LoadAudioClipAsync(ambientSoundPath.ToLower());

            // play the background music and ambient sound
            backgroundMusicSource.clip = backgroundMusicClip;
            backgroundMusicSource.loop = true;
            backgroundMusicSource.Play();
            ambientSoundSource.clip = ambientSoundClip;
            ambientSoundSource.loop = true;
            ambientSoundSource.Play();
        }
    }
}