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

public class PlayFieldBehaviour : MonoBehaviour
{
  // public GameObject cellType0; // because zero means "null"
  public GameObject cellType1;
  public GameObject cellType2;
  public GameObject cellType3;
  public GameObject cellType4;
  GameObject[] CellTypes;
  GameObject[,] FieldMap;

  void Start()
  {
    CellTypes = new GameObject[5];
    CellTypes[1] = cellType1;
    CellTypes[2] = cellType2;
    CellTypes[3] = cellType3;
    CellTypes[4] = cellType4;
    FieldMap = new GameObject[4, 5];
    //initial codes of cells
    int[,] FieldCode = new int[4, 5] {
      { 2, 1, 2, 3, 2 },
      { 1, 1, 3, 1, 2 },
      { 3, 3, 2, 1, 2 },
      { 2, 1, 3, 1, 2 }
    };

    FillField(FieldMap, FieldCode);
  }

  void Update()
  {

  }

  void FillField(GameObject[,] FieldToFill, int[,] CodeArray )
  {
    int FirstSize = FieldToFill.GetLength(0);
    int SecondSize = FieldToFill.GetLength(1);
    for (int i = 0; i < FirstSize; i++)
    {
      for (int k = 0; k < SecondSize; k++)
      {
        FieldToFill[i, k] = Instantiate(CellTypes[CodeArray[i,k]]);
        FieldToFill[i, k].transform.position = new Vector2(k * 4, i * -4);
      }
    }
  }
}