gather-and-defend/Assets/Scripts/WorldMap/WorldMapManager.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine.UI;
using UnityEngine;
using UnityEngine.SceneManagement;
using System;
using UnityEditor;

public class WorldMapManager : MonoBehaviour
{
    [SerializeField]
    private GameObject[] _buttonList;
    [SerializeField]
    private Sprite _unlockedIcon;
    [SerializeField]
    private Sprite _lockedIcon;
    [SerializeField]
    private Sprite _savedIcon;
    [Scene][SerializeField]
    private string gameScene;

    private WorldMapSave _worldMapSave;

    void Start()
    {
        //TODO: getMajorSaveFile() //Call et obtiens le chemin du fichier de sauvegarde;
        _worldMapSave = new WorldMapSave();
        UnlockLevels();

        PlayerPrefs.SetInt("LevelToLoad", -1);
    }
    
    /**
    * Debloque les niveaux deja debloquer dans le fichier de sauvegarde majeur.
    */
    public void UnlockLevels()
    {
        int counterIndex = 0;
        foreach(GameObject CurrentLevelButton in _buttonList)
        {
            if (_worldMapSave.GetLevelState(counterIndex) == WorldMapSave.LevelState.UNLOCKED)
            {
                CurrentLevelButton.SetActive(true);
                ShowUnlockedIcon(CurrentLevelButton);
            }
            else if (_worldMapSave.GetLevelState(counterIndex) == WorldMapSave.LevelState.LOCKED)
            {
                //CurrentLevelButton.SetActive(false);
                ShowLockedIcon(CurrentLevelButton);
            }
            else
            {
                CurrentLevelButton.SetActive(true);
                ShowSavedIcon(CurrentLevelButton);
            }
            counterIndex++;
        }
    }
    private void ShowLockedIcon(GameObject currentLevelButton)
    {
        currentLevelButton.GetComponent<Image>().sprite = _lockedIcon;
    }

    private void ShowUnlockedIcon(GameObject currentLevelButton)
    {
        currentLevelButton.GetComponent<Image>().sprite = _unlockedIcon;
    }
    private void ShowSavedIcon(GameObject currentLevelButton)
    {
        currentLevelButton.GetComponent<Image>().sprite = _savedIcon;
    }

    public void CallLevelWorld1(int levelToCall)
    {
        if (_buttonList[levelToCall - 1].GetComponent<Image>().sprite.name != "worldmap_level_locked")
        {
            PlayerPrefs.SetInt("LevelToLoad", levelToCall);
            SceneManager.LoadScene(gameScene);
        }
    }
}