using SC.XR.Unity.Module_InputSystem;
using SC.XR.Unity.Module_InputSystem.InputDeviceHand;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using UnityEngine;
using UnityEngine.UI;

public class openCamera : MonoBehaviour
{

    //[DllImport("htinstance")]
    //public static extern void HANDTRACK_Stop();
    [HideInInspector]
    public  WebCamTexture webTex;
    [HideInInspector]
    public string deviceName;
    public static openCamera Instance;
    private static List<GameObject> mats=new List<GameObject>();
    void Start()
    {
#if UNITY_ANDROID && !UNITY_EDITOR

        if (Instance!=null)
        {
            webTex = openCamera.Instance.webTex;
            Debug.Log("webTex复制");        
            
                GameObject game = GameObject.Find("BackgroundPlane");
                setTexture(this.gameObject, game.GetComponent<MeshRenderer>().material.mainTexture);
            
            mats.Add(this.gameObject);
        }
        else
        {
            Screen.sleepTimeout = SleepTimeout.NeverSleep;
            Instance = this;
            mats.Add(this.gameObject);
            StartCoroutine(CallCamera());
        }
#endif
    }
    public void setTexture(GameObject go,Texture tx)
    {

        MeshRenderer mr = go.GetComponent<MeshRenderer>();
        RawImage raw = go.GetComponent<RawImage>();
        
        if(mr ==null)
        {
           // raw.transform.eulerAngles = new Vector3(180,0,0);          
            raw.texture = tx;
        }
        else
        {
          //  mr.transform.eulerAngles = new Vector3(180, 0, 0);
            mr.material.mainTexture = tx;

        }
    }

    public void restart(int fps=30)
    {
        CustomInfo.FPS = fps;
         StartCoroutine(CallCamera());
    }
    void Update()
    {
       
    }  ///  
///调用摄像头  
///  
    Texture2D tex2D;
    IEnumerator CallCamera()
    {
        yield return Application.RequestUserAuthorization(UserAuthorization.WebCam);
            
                if (Application.HasUserAuthorization(UserAuthorization.WebCam))
                {
                    WebCamDevice[] devices = WebCamTexture.devices;
                    deviceName = devices[0].name;
                    if (webTex != null)
                    {
                        webTex.Stop();
                        webTex = null;
                    }
                    //设置摄像机摄像的区域    
                    webTex = new WebCamTexture(deviceName, CustomInfo.mWidth, CustomInfo.mHight, CustomInfo.FPS);
                    for (int i = 0; i < mats.Count; i++)
                    {
                        setTexture(mats[i], webTex);
                    }
                    webTex.Play();//开始摄像    
                }

    }
    private void OnApplicationPause(bool pause)
    {
       
    }

    private void OnDestroy()
    {
       // HANDTRACK_Stop();
       
    }
}