GAMEN3_ExamProject_DiegoOvalle_B2GP/Assets/Scripts/PauseMenu.cs

using UnityEngine;
using UnityEngine.InputSystem;

public class PauseMenu : MonoBehaviour
{
    public static bool GameIsPaused = false;
    public GameObject pauseMenuUI;
    private SaveSystem saveSystem;

    void Start()
    {
        saveSystem = FindFirstObjectByType<SaveSystem>();
    }

    void Update()
    {
        // F Key to Toggle Pause
        if (Keyboard.current.fKey.wasPressedThisFrame)
        {
            if (GameIsPaused) Resume();
            else Pause();
        }

        // F5 to Save 
        if (Keyboard.current.f5Key.wasPressedThisFrame)
        {
            saveSystem.SaveGame();
        }

        // F9 to Load 
        if (Keyboard.current.f9Key.wasPressedThisFrame)
        {
            saveSystem.LoadGame();
        }
    }

    public void Resume()
    {
        pauseMenuUI.SetActive(false);
        Time.timeScale = 1f;
        GameIsPaused = false;
        Cursor.lockState = CursorLockMode.Locked;
        Cursor.visible = false;
    }

    void Pause()
    {
        pauseMenuUI.SetActive(true);
        Time.timeScale = 0f;
        GameIsPaused = true;
        Cursor.lockState = CursorLockMode.None;
        Cursor.visible = true;
    }

    public void QuitToMenu()
    {
        Time.timeScale = 1f;
        // Adjust "MainMenu" to your actual Main Menu scene name later
        UnityEngine.SceneManagement.SceneManager.LoadScene("MainMenu");
    }
}