using UnityEngine;
using System.Collections.Generic;
public enum TileType
{
    Floor,
    WallEcorner,
    WallEfull,
    WallNcorner,
    WallNE,
    WallNfull,
    WallNW,
    WallScorner,
    WallSE,
    WallSfull,
    WallSW,
    WallWcorner,
    WallWFull
}

[ExecuteInEditMode]
public class SnapToGrid : MonoBehaviour {
    public TileType tileType;
    public float height = 0.64f;
    public float width = 1.28f;
    public List<Sprite> allStyles = new List<Sprite>();
    private int sortingOrderNum;
    private void Start()
    {
       ChosenStyleEditor.OnStyleChange += OnChangingStyle;
    }
    private void Update()
    {
        transform.position = new Vector2(Mathf.Round(transform.position.x / width) * width, Mathf.Round(transform.position.y / height) * height);
        if (this.tileType == TileType.WallNcorner || this.tileType == TileType.WallNfull || this.tileType == TileType.WallNW || this.tileType == TileType.WallNE)
        {
            GetComponent<SpriteRenderer>().sortingOrder = -(int)(transform.position.y * 10) - 1;
        }
        else if (this.tileType == TileType.Floor)
        {
            GetComponent<SpriteRenderer>().sortingOrder = -32000;
        }
        else
        {
            GetComponent<SpriteRenderer>().sortingOrder = -(int)(transform.position.y * 10);
        }
    }

    private void OnChangingStyle(int num)
    {
        try
        {
            GetComponent<SpriteRenderer>().sprite = allStyles[num];
        }
        catch
        {
            Debug.LogError("Chosen style sprite is not set up in " + this.gameObject.name + "!");
        }
    }

    private void OnDestroy()
    {
        ChosenStyleEditor.OnStyleChange -= OnChangingStyle;
    }
}