Scriptum/Assets/Scripts/DoorBehaviour.cs

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

public class DoorBehaviour : MonoBehaviour
{
    public GameObject SaveController;

    [SerializeField]
    public Gateway gateway;

    // Start is called before the first frame update
    void Start()
    {
        gateway.currentMapName = SceneManager.GetActiveScene().name;
    }

    // Update is called once per frame
    void Update()
    {
        
    }

    public static IEnumerator Wait()
    {
        yield return new WaitForSeconds(2);
    }
    
    
    public void ScenetToMoveTo()
    {
        //saving info about used gate/door/teleport
        OnMapAppearanceMethod.SetTeleportedStatus();

        PlayerPrefs.SetString("gateway.sourceMapName", gateway.currentMapName);
        PlayerPrefs.SetString("gateway.nextMapName", gateway.nextMapName);

        PlayerPrefs.SetFloat("gateway.respawnCoords.x", gateway.respawnCoords.x);
        PlayerPrefs.SetFloat("gateway.respawnCoords.y", gateway.respawnCoords.y);
        PlayerPrefs.SetFloat("gateway.respawnCoords.z", gateway.respawnCoords.z);

        // 1. Save all before change scene
        SaveController.GetComponent<SaveController>().SavePlayerEquipmentItems();
        SaveController.GetComponent<SaveController>().SavePlayerQuests();
        SaveController.GetComponent<SaveController>().SavePlayerInventory();
        SaveController.GetComponent<SaveController>().SaveHealth();

        SaveController.GetComponent<SaveController>().SaveChests();
        // 2. Change scene
        SceneManager.LoadScene(gateway.nextMapName);
    }
}