How to implement a Game Manager using Switch and Case in C#

Hi, I'm looking for some help in setting up a Finite State Machine using the Switch and Case statements for a Game Manager to switch between Scenes.

I'm NOT looking to make a FSM for a character (There are a lot of good links out there for this), but I'm looking to build the Game Manager and how I would switch from scene to scene and use the new scene's update function without having to revert back to the Game Master class's update function.

This is what I have working so far: 1. In Game Master Class I have a enum list with all the difference scenes/levels (eg. Splash, MainMenu, Level01, Leve02...) 2. I set the enum case to SPLASH (for Splash Page) in the GameManager's Start Method. 3. Within Case:SPLASH implement the SPLASH class through an interface called ILevelBase. 4. In the SPLASH class I call applicationLoadLevel and load the SPLASH scene file.

This is where I am stuck. I want the game loop to reside within the SPLASH class update function, and not jump back to the GameManager class after constructing the SPLASH scene. How do I make the game loop reside in the SPLASH Scene/Class?

Thanks for your help. A.

Here is my code for my GameManager Class:

 using UnityEngine;
 using Assets.Scripts.Levels;
 using Assets.Scripts.Interfaces;
 using System.Collections;
 
 
 public class GameManager : MonoBehaviour 
 {
 
     private static GameManager gameManagerInstanceReference;
     public ILevelBase activeLevel;
 
     // All the Levels in the game.
     public enum LEVEL
     {
         NULLLEVEL,
         SPLASH,
         MAINMENU,
         LEVEL01,
         LEVEL02,        
         HIGHSCORE,
         CREDITS
     };
     public LEVEL level;    // Use this to check the current level and set the current level.
 
 
 
 
 
     void Awake ()
     {
         // Check to see if the current Game Manager object exists. If it does then destroy.
         if (gameManagerInstanceReference == null) 
         {
             gameManagerInstanceReference = this;
             DontDestroyOnLoad (gameObject);
         }
         else
         {
             DestroyImmediate(gameObject);
         }
     }
 
 
 
     // Use this for initialization
     void Start () 
     {
         //We are in the START level. We now load the SPLASH Level for Logo and animation, and a countdown.
         LevelChange(LEVEL.SPLASH);
     }
 
 
     void Update()
     {
         // Runs the Level's Update Method
         activeLevel.LevelUpdate();
     }
 
 
 
 
 
     void LevelChange(LEVEL newLevel)
     {
         level = newLevel;
 
         // LEVELS FSM
         switch (level) 
         {
         case LEVEL.SPLASH:
             // load the Splash Level
             activeLevel = new Splash(this);
             break;
 
 
         case LEVEL.MAINMENU:
             // The currentLevel variable will be switched to MainMenu from the Splash Level Script.
             break;
 
         case LEVEL.LEVEL01:
             // Load leevl 01 - After the Player Selects "Start" from the main Menu, the currentLevel variable will be assigned Level01
             break;
 
         case LEVEL.LEVEL02:
             // Load leevl 02 - After the Player Selects "Start" from winning Level 01
             break;
 
         case LEVEL.HIGHSCORE:
             // Play the High Score. Set the currentLevel variable to Credits
             break;
 
         case LEVEL.CREDITS:
             // Roll Credits and then set the currentLevel variable to Main Menu.
             break;
         }
     
     }
 }