Darklings-FightingGame/Assets/_Project/Scripts/UIScripts/MenuScripts/BaseMenu.cs

using System.Collections;
using UnityEngine;
using UnityEngine.EventSystems;
using UnityEngine.UI;

public class BaseMenu : MonoBehaviour
{
    [SerializeField] protected Selectable _startingOption = default;


    public void OpenMenuHideCurrent(BaseMenu menu)
    {
        EventSystem.current.SetSelectedGameObject(null);
        gameObject.SetActive(false);
        menu.Show();
    }

    public void OpenMenu(BaseMenu menu)
    {
        menu.gameObject.SetActive(true);
    }

    public virtual void Show()
    {
        gameObject.SetActive(true);
        StartCoroutine(ActivateCoroutine());
    }

    public void Hide()
    {
        EventSystem.current.SetSelectedGameObject(null);
        gameObject.SetActive(false);
    }

    void OnEnable()
    {
        StartCoroutine(ActivateCoroutine());
    }

    IEnumerator ActivateCoroutine()
    {
        yield return null;
        if (_startingOption != null)
        {
            _startingOption.Select();
        }
    }
}