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

public class TileGenerator : MonoBehaviour
{
    public GameObject wall;
    public Texture2D texture;
    public Vector2 tileSize;
    public float groutSize;

    public void GenerateTilesForWall()
    {
        Vector3 wallSize = wall.GetComponent<Renderer>().bounds.size;
        GenerateWallTile(wallSize, texture);
    }

    public void GenerateWallTile(Vector3 wallSize, Texture2D tileTexture)
    {
        int numTilesX = Mathf.CeilToInt(wallSize.x / tileSize.x);
        int numTilesY = Mathf.CeilToInt(wallSize.y / tileSize.y);
        
        GameObject tileTemplate = new GameObject("TileTemplate");
        tileTemplate.transform.position = Vector3.zero;
        tileTemplate.transform.parent = wall.transform;
        
        GameObject plane = GameObject.CreatePrimitive(PrimitiveType.Quad);
        plane.transform.parent = tileTemplate.transform;
        plane.transform.localPosition = Vector3.zero;
        plane.transform.localScale = new Vector3(tileSize.x, tileSize.y, 1);
        
        Material tileMaterial = new Material(Shader.Find("Standard"));
        tileMaterial.mainTexture = tileTexture;
        
        plane.GetComponent<Renderer>().material = tileMaterial;
        
        Destroy(plane.GetComponent<Collider>());

        for (int x = 0; x < numTilesX; x++)
        {
            for (int y = 0; y < numTilesY; y++)
            {
                Vector3 tilePosition = new Vector3(x * (tileSize.x + groutSize), y * (tileSize.y + groutSize), 0);
                
                GameObject tile = Instantiate(tileTemplate, tilePosition, Quaternion.identity, wall.transform);
                tile.name = "Tile";
            }
        }
        
        Destroy(tileTemplate);
    }
}