Como guardar partida en múltiples Slots en Unity3D

Este es un tutorial de como guardar partida en múltiples Slots (Espacios) en Unity3D, cuenta con un video publicado en Youtube.

Video de Youtube: https://youtu.be/FyOv3RvBegc

Paquete con el contenido del tutorial para Unity3D: MultiSave.unitypackage

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Esta es la clase GameManager.cs del tutorial:

using net.TBMSP.Lib.File;
using net.TBMSP.Lib.TBMPk.File;
using UnityEngine;

namespace tutorial.MultiSave{
  public class GameManager:MonoBehaviour{
    public Transform player,LoadMenu,SaveMenu;
    public int Health=100;
    private static string[] Slots=new string[4];
    private static Transform p;
    public static GameManager GetComponent(){return p.GetComponent<GameManager>();}

    void Awake(){
      p=this.transform;
      net.TBMSP.Lib.Program.Init(Application.persistentDataPath+"/",true);
      Debug.Log("En esta carpeta se guardan los archivos: \""+net.TBMSP.Lib.Program.RootDirectory+"\"");
      FileBase.CreateDirectory("Data/SaveData");
      for(int i=0;i<Slots.Length;i++){
        Slots[i]=TDF.CreateString();
      }
    }
  
    void Start(){
      player.GetComponent<Player>().Move=false;
      SaveMenu.gameObject.SetActive(false);
      LoadMenu.gameObject.SetActive(true);
    }
    void Update(){
      if(Input.GetKeyDown(KeyCode.Z)){
        player.GetComponent<Player>().Move=false;
        SaveMenu.gameObject.SetActive(false);
        LoadMenu.gameObject.SetActive(true);
      }
      if(Input.GetKeyDown(KeyCode.X)){
        OpenSaveMenu();
      }
    }

    public void saveGame(int SlotID){
      SaveGame(SlotID);
      SaveMenu.gameObject.SetActive(false);
      player.GetComponent<Player>().Move=true;
    }

    public void loadGame(int SlotID){
      if(FileBase.FileExist("Data/SaveData/Slot_"+(SlotID+1)+".tdf")){
         Slots[SlotID]=TDF.Load("Data/SaveData/Slot_"+(SlotID+1)+".tdf");//TDF.LoadGZ
        var playerComp=GetComponent().player.GetComponent<Player>();
        var pos=TDF.GetValueOfBlock(Slots[SlotID],"Game", "PlayerPos").Split(","[0]);
        var posX=float.Parse(pos[0]);
        var posY=float.Parse(pos[1]);
        var posZ=float.Parse(pos[2]);
        player.position=new Vector3(posX,posY,posZ);
        var rot=TDF.GetValueOfBlock(Slots[SlotID],"Game", "PlayerRot").Split(","[0]);
        var rotX=float.Parse(rot[0]);
        var rotY=float.Parse(rot[1]);
        var rotZ=float.Parse(rot[2]);
        playerComp.rotation=new Vector3(rotX,rotY,rotZ);
        player.rotation=Quaternion.Euler(new Vector3(0,rotY,0));
        Health=int.Parse(TDF.GetValueOfBlock(Slots[SlotID],"Game","PlayerHealth"));
      }
      player.GetComponent<Player>().Move=true;
      SaveMenu.gameObject.SetActive(false);
      LoadMenu.gameObject.SetActive(false);
    }

    public static void OpenSaveMenu(){
      GetComponent().SaveMenu.gameObject.SetActive(true);
      GetComponent().LoadMenu.gameObject.SetActive(false);
      GetComponent().player.GetComponent<Player>().Move=false;
    }

    public static void SaveGame(int SlotID){
      var playerComp=GetComponent().player.GetComponent<Player>();
      Slots[SlotID]=TDF.SaveValueInBlock(Slots[SlotID],"Game","PlayerPos",GetComponent().player.position.x+","+GetComponent().player.position.y+","+GetComponent().player.position.z);
      Slots[SlotID]=TDF.SaveValueInBlock(Slots[SlotID],"Game","PlayerRot",playerComp.rotation.x+","+playerComp.rotation.y+","+playerComp.rotation.z);
      Slots[SlotID]=TDF.SaveValueInBlock(Slots[SlotID],"Game","PlayerHealth",GetComponent().Health.ToString());
      TDF.Save("Data/SaveData/Slot_"+(SlotID+1)+".tdf",Slots[SlotID]);//TDF.SaveGZ
    }
  }
}

Esta es la clase SaveTrigger.cs del tutorial:

using UnityEngine;

namespace tutorial.MultiSave{
  public class SaveTrigger:MonoBehaviour{
    public bool InSave=false;

    void OnTriggerEnter(Collider c){
      if(c.tag=="SaveItem"&&!InSave){
        GameManager.OpenSaveMenu();
        InSave=true;
      }
    }

    void OnTriggerExit(Collider c){
      if(c.tag=="SaveItem"&&InSave){
        InSave=false;
      }
    }
  }
}