evershade/Assets/Scripts/Managers/GameManager.cs

using Managers;
using UnityEngine;

public class GameManager : MonoBehaviour
{
    public static GameManager Instance { get; private set; }

    public UIManager UIManager { get; private set; }

    public PlayerManager PlayerManager { get; private set; }

    public GameItemManager GameItemManager { get; set; }

    public AudioManager AudioManager { get; set; }

    public SaveManager SaveManager { get; set; }


    private void Awake()
    {
        if (Instance == null)
        {
            Instance = this;
            DontDestroyOnLoad(gameObject);

            // Initialize managers
            UIManager = GetComponent<UIManager>();
            GameItemManager = GetComponent<GameItemManager>();
            AudioManager = GetComponent<AudioManager>();
            PlayerManager = GetComponent<PlayerManager>();
        }
        else
        {
            Destroy(gameObject);
        }
    }


    public void StartGame()
    {
        UIManager.ShowMainMenuScreen(false);
        // AudioManager.PlayMusic("MainTheme");
    }

    public void EndGame()
    {
        UIManager.ShowGameOverScreen(true);
        // AudioManager.PlayMusic("GameOverTheme");
    }
}