using System.Collections;

using System.Collections.Generic;

using UnityEditor;

using UnityEngine;

public class SaveJPG : MonoBehaviour

{

    public GameObject[] gameObjects;

    //string fileName = Application.streamingAssetsPath + "/UI/photo.jpg";

    public Camera camera;

    public Transform fuwutiParent;

    public int jsq = 0;

    public bool zx = false;

    GameObject obj = null;

    private void Start()

    {

        //自动保存图片

        //StartCoroutine(CloneTuPian());

    }

    private void Update()

    {

        #region 半自动保存图片手动对位置

        if (Input.GetKeyDown (KeyCode.Space))

        {

            for (int i = 0; i < fuwutiParent.childCount; i++)

            {

                fuwutiParent.GetChild(jsq).gameObject.SetActive(true);

            }           

        }

        if (Input.GetKeyDown (KeyCode.Alpha1))

        {

            string str_ = fuwutiParent.GetChild(jsq).name.Split('(')[0].ToString();

            CaptureScreenByRT(str_);

            fuwutiParent.GetChild(jsq).gameObject.SetActive(false);

            jsq++;

            Debug.Log(jsq);

        }

        #endregion

    }

    IEnumerator CloneTuPian()

    {

        while (jsq<gameObjects .Length)

        {

            GameObject obj = Instantiate(gameObjects[jsq]);

            string str_ = obj.transform.name.Split('(')[0].ToString ();

            CaptureScreenByRT(str_);

            Destroy(obj);

            yield return new WaitForSeconds(1f);

            jsq++;

        }

        Debug.Log("生成结束");

    }

    public void CaptureScreenByRT(string fileName)

    {

        Rect rect = new Rect(0, 0, 600, 600);

        // 创建一个RenderTexture对象

        RenderTexture rt = new RenderTexture((int)rect.width, (int)rect.height, 0);

        // 临时设置相关相机的targetTexture为rt, 并手动渲染相关相机

        camera.targetTexture = rt;

        camera.Render();

        // 激活这个rt, 并从中中读取像素。

        RenderTexture.active = rt;

        Texture2D screenShot = new Texture2D((int)rect.width, (int)rect.height, TextureFormat.RGB24, false);

        // 注：这个时候，它是从RenderTexture.active中读取像素

        screenShot.ReadPixels(rect, 0, 0);

        screenShot.Apply();

        // 重置相关参数，以使用camera继续在屏幕上显示

        camera.targetTexture = null;

        RenderTexture.active = null;

        GameObject.Destroy(rt);

        // 最后将这些纹理数据，成一个png图片文件

        byte[] bytes = screenShot.EncodeToPNG();

        string path = Application.streamingAssetsPath + "/UI/"+ fileName + ".jpg";

        System.IO.File.WriteAllBytes(path, bytes);

        AssetDatabase.Refresh();

    }

}