ofb/Assets/Scripts/DebugSceneSwitcher.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement;
using TMPro;

public class DebugSceneSwitcher : MonoBehaviour
{
    public static DebugSceneSwitcher Instance = null;

    public bool showDropdown;

    void Awake()
    {
        if (Instance == null) {
            Instance = this;
        } else {
            Destroy(this.gameObject);
            return;
        }
        // Keep the object around when we switch scenes
        DontDestroyOnLoad(this.gameObject);
        CreateDropdownOptions();
    }

    void CreateDropdownOptions()
    {
        TMP_Dropdown sceneDropdown = GameObject.Find("SceneSwitcherDropdown").GetComponent<TMP_Dropdown>();
        if (showDropdown) {
            if (sceneDropdown.options.Count == 0)
            {
                List<string> sceneNames = new List<string>();
                for (int i = 0; i < SceneManager.sceneCountInBuildSettings; i++)
                {
                    string newName = System.IO.Path.GetFileNameWithoutExtension(SceneUtility.GetScenePathByBuildIndex(i));
                    print(newName);
                    sceneNames.Add(newName);
                }
                sceneDropdown.AddOptions(sceneNames);
            }
        } else {
            sceneDropdown.gameObject.SetActive(false);
        }
    }

    public void ChangeScene(int index)
    {
        // print(index);
        SceneController.Instance.LoadChosenScene(index);
        this.gameObject.SetActive(false);
    }

    public void ChangeSceneByName(string name) {
        SceneController.Instance.LoadSceneByName(name);
        this.gameObject.SetActive(false);
    }
}