forellenforderung3/Assets/AssetsFORELLE/Script/MainMenu.cs

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

public class MainMenu : MonoBehaviour
{
    private int selectedLevel;

    private Dictionary<int, int> levels;

    private void Start()
    {
        levels = new Dictionary<int, int>()
        {// das hier geht nicht, die build indexes müssen manuell eingetragen werden
            {1, SceneManager.GetSceneByPath("2PlatzhalterTutorial").buildIndex},
            {2, SceneManager.GetSceneByPath("3MeowlinTalk").buildIndex},
            {3, SceneManager.GetSceneByPath("4DScene").buildIndex},
            {4, SceneManager.GetSceneByPath("5.0TutorialDimShift").buildIndex},
            {5, SceneManager.GetSceneByPath("6.0Luna").buildIndex},
            {6, SceneManager.GetSceneByPath("7Prototype").buildIndex},
            {7, SceneManager.GetSceneByPath("8Francois").buildIndex},
            {8, SceneManager.GetSceneByPath("9Catman1").buildIndex},
            {9, SceneManager.GetSceneByPath("10Conflict").buildIndex},
            {10, SceneManager.GetSceneByPath("11Catman2").buildIndex},
            {11, SceneManager.GetSceneByPath("14Level_Vanessa").buildIndex},
            {12, SceneManager.GetSceneByPath("15.0BossVorher").buildIndex},
            {13, SceneManager.GetSceneByPath("Credits").buildIndex}
        };
    }

    public void startGame()
    {
        Debug.Log("Main Menu: New Game");
        SceneManager.LoadScene(SceneManager.GetActiveScene().buildIndex+1);
    }

    public void endGame()
    {
        Debug.Log("Main Menu: Quit Game");
        Application.Quit();
    }

    public void setSelectedLeve(int level)
    {
        selectedLevel = ++level;
    }

    public void loadScene()
    {
        Debug.Log("Main Menu: Load Level " + levels[selectedLevel]);
        SceneManager.LoadScene(levels[selectedLevel]);
    }
}