beyond/Assets/Scripts/Save/MusicsSaver.cs

using PixelCrushers;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace Beyond
{
    public class MusicManagerDataContaier
    {
        public MusicManager.State m_state;
        public int musicIndex;
        public bool isLocked;
    }

    public class MusicsSaver : Saver
    {
        [SerializeField]
        private MusicManager musicManager;

        public override void ApplyData(string s)
        {
            MusicManagerDataContaier musicManagerDataContainer = new();
            JsonUtility.FromJsonOverwrite(s, musicManagerDataContainer);
            //  Debug.Log(musicManagerDataContainer.m_state+" "+ musicManagerDataContainer.songIndex);
            musicManager.m_MusicIndex = musicManagerDataContainer.musicIndex;
            musicManager.SetState(musicManagerDataContainer.m_state);
            musicManager.isLocked = musicManagerDataContainer.isLocked;
        }

        public override string RecordData()
        {
            MusicManagerDataContaier musicManagerDataContainer = new();

            musicManagerDataContainer.m_state = musicManager.m_state;
            musicManagerDataContainer.musicIndex = musicManager.m_MusicIndex;
            musicManagerDataContainer.isLocked = musicManager.isLocked;
            string json = JsonUtility.ToJson(musicManagerDataContainer, true);
            //   Debug.Log(json);
            return json;
        }

        // Start is called before the first frame update
        private void Start()
        {
        }

        // Update is called once per frame
        private void Update()
        {
        }
    }
}