public ArrayList cells = new ArrayList();          
public ArrayList doorsToCells = new ArrayList();          
public ArrayList imediateCells = new ArrayList();          
public bool testForCells = true;          
public float waitToTestCells = 2f;          
public int stage = 1;          

public GameObject animatedDoor;          
[HideInInspector]          
public bool doorOpen = true;          

void Awake ()           
{          
           doorOpen = true;          
           cells = GameObject.FindGameObjectsWithTag("AIpathCell");          
           doorsToCells.length = cells.length;          
           testForCells = true;          
           waitToTestCells = 2;          
           stage = 1;          
}          

void Update ()           
{          
           if (animatedDoor)          
            doorOpen = animatedDoor.GetComponent<DoorScript>().open;          

           if (testForCells && waitToTestCells <= 0)          
           {          
            for (GameObject imediateCell in imediateCells)          
            {          
             for (int i = 0; i <= cells.length - 1; i++)          
             {          
              if (cells[i] == imediateCell)          
               doorsToCells[i] = 1;          
             }          
            }          
                      
            for (stage = 2; stage <= cells.length; stage++)          
            {          
             for (int i = 0; i <= cells.length - 1; i++)          
             {          
              if (doorsToCells[i] == stage - 1)          
               for (GameObject checkDoor in cells[i].GetComponent<AIpathCellScript>().doors)          
               {          
                if (checkDoor != gameObject)          
                {          
                 for (GameObject checkCell in checkDoor.GetComponent<IpathDoorScript>().imediateCells)          
                 {          
                  for (int j = 0; j <= cells.length - 1; j++)          
                  {          
                   if (cells[j] == checkCell && doorsToCells[j] == null)          
                            doorsToCells[j] = stage;          
                  }          
                 }          
                }          
               }          
             }          
            }          
                      
            testForCells = false;          
            Debug.Log(doorsToCells.ToString());          
           }          
           waitToTestCells -= 1;          
}          

void OnTriggerEnter (Collider other)          
{          
           if (other.tag == "AIpathCell")          
            imediateCells.Add(other.gameObject);          
}

using System.Collections.Generic;