Gamen3/Assets/Scripts/GameManager.cs

using UnityEngine;

public class GameManager : MonoBehaviour
{
    private GameData data;

    private SaveManager saveManager;
    private TimeManager timeManager;
    private Material skybox;
    private Color globalLightColor;
    private Quaternion globalLightRotation;

    private GameObject player;
    // Start is called once before the first execution of Update after the MonoBehaviour is created
    void Start()
    {
        //Get the player
        player = GameObject.Find("Player");
        if (player == null) return;

        //Get components
        saveManager = GetComponent<SaveManager>();
        timeManager = GetComponent<TimeManager>();
        skybox = RenderSettings.skybox;
        globalLightColor = timeManager.globalLight.color;
        globalLightRotation = timeManager.globalLight.transform.rotation;

        data = saveManager.LoadGame();
        if (data != null)
        {
            SetData();
        }
        else
        {
            data = new GameData();
        }
    }

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

        if (Input.GetKeyDown(KeyCode.Space)) 
        {
            GetData();
            saveManager.SaveGame(data);
        }
    }
    void GetData()
    {
        data.playerPosition = player.transform.position;

        #region DaylightCycle
        data.minutes = timeManager.Minutes;
        data.hours = timeManager.Hours;
        data.skybox = skybox;
        data.globalLightColor = globalLightColor;
        data.globalLightRotation = globalLightRotation;

        #endregion
    }

    void SetData()
    {
        player.transform.position = data.playerPosition;

        #region DaylightCycle
        timeManager.Minutes = data.minutes;
        timeManager.Hours = data.hours;
        skybox = data.skybox;
        globalLightColor = data.globalLightColor;
        RenderSettings.fogColor = data.globalLightColor;
        globalLightRotation = data.globalLightRotation;

        #endregion

    }
}