GAMEN3_ExamProject_DiegoOvalle_B2GP/Assets/Scripts/MainMenuScript.cs

using UnityEngine;
using UnityEngine.SceneManagement;
using UnityEngine.UI;
using System.IO;

public class MainMenu : MonoBehaviour
{
    public Button continueButton; // Link this in the inspector
    public string gameSceneName = "Valley";

    // Static variable persists between scene loads
    public static bool shouldLoadSave = false;

    void Start()
    {
        // Disable the Continue button if no save file exists
        string path = Application.persistentDataPath + "/savegame.json";
        if (continueButton != null)
        {
            continueButton.interactable = File.Exists(path);
        }
    }

    public void NewGame()
    {
        shouldLoadSave = false;
        SceneManager.LoadScene(gameSceneName);
    }

    public void ContinueGame()
    {
        shouldLoadSave = true;
        SceneManager.LoadScene(gameSceneName);
    }

    public void QuitGame()
    {
        Application.Quit();
    }
}