using UnityEngine;
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using System.Collections;
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using UnityEngine.UI;
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using System.Collections.Generic;
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using vnxbqy.UI;
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using System;
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public class CameraUtility
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{
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static List<Blur> blurs = new List<Blur>();
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public static void RegisterBlur(Blur _blur)
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{
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if (_blur == null)
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{
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return;
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}
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if (!blurs.Contains(_blur))
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{
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blurs.Add(_blur);
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_blur.enabled = false;
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}
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}
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public static void UnRegisterBlur(Blur _blur)
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{
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if (blurs.Contains(_blur))
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{
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blurs.Remove(_blur);
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}
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}
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public static void AddCullingMask(Camera _camera, int _layer)
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{
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_camera.cullingMask |= (1 << _layer);
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}
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public static void RemoveCullingMask(Camera _camera, int _layer)
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{
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_camera.cullingMask &= ~(1 << _layer);
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}
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/// <summary>
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/// 将世界坐标转换为UI的坐标
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/// </summary>
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/// <param name="_camera"></param>
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/// <param name="_position"></param>
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/// <returns></returns>
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public static Vector3 ConvertToUIPosition(Camera _camera, Vector3 _position)
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{
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if (_camera == null || CameraManager.uiCamera == null)
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{
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return Vector3.zero;
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}
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var temp = _camera.WorldToViewportPoint(_position);
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var uiposition = CameraManager.uiCamera.ViewportToWorldPoint(temp);
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uiposition.z = 0;
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return uiposition;
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}
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public static Vector3 ScreenToUIPosition(Vector3 _screenPosition)
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{
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if (CameraManager.uiCamera == null)
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{
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return Vector3.zero;
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}
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var temp = CameraManager.uiCamera.ScreenToViewportPoint(_screenPosition);
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var uiposition = CameraManager.uiCamera.ViewportToWorldPoint(temp);
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uiposition.z = 0;
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return uiposition;
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}
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static Stack<Texture2D> screenShotCutTexturePool = new Stack<Texture2D>();
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static Texture2D RequireTexture2D()
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{
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if (screenShotCutTexturePool.Count > 0)
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{
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return screenShotCutTexturePool.Pop();
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}
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else
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{
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return new Texture2D(Screen.width, Screen.height, TextureFormat.RGB24, false);
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}
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}
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static void RecycleTexture2D(Texture2D _texture)
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{
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if (_texture != null)
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{
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if (Mathf.Abs(_texture.width - ResolutionUtility.currentResolution.x) > 10 || Mathf.Abs(_texture.height - ResolutionUtility.currentResolution.y) > 10)
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{
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//Resources.UnloadAsset(_texture);
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}
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else
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{
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screenShotCutTexturePool.Push(_texture);
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}
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}
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}
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public static void ScreenShotCut(RawImage _image, Action _callBack, bool _onlySceneCamera = false, bool blur = true)
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{
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if (_image == null)
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{
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return;
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}
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var screenRect = new Rect(0, 0, ResolutionUtility.currentResolution.x - 1, ResolutionUtility.currentResolution.y - 1);
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SnxxzGame.Instance.StartCoroutine(Co_ScreenShotCut(_image, _callBack, _onlySceneCamera, blur));
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}
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static WaitForEndOfFrame waitForEndOfFrame = new WaitForEndOfFrame();
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static IEnumerator Co_ScreenShotCut(RawImage _image, Action _callBack, bool _onlySceneCamera = false, bool blur = true)
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{
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if (_onlySceneCamera)
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{
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CameraManager.uiCamera.enabled = false;
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}
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if (blur)
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{
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for (int i = 0; i < blurs.Count; i++)
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{
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if (_onlySceneCamera && blurs[i].gameObject == CameraManager.uiCamera.gameObject)
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{
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continue;
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}
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blurs[i].enabled = true;
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}
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}
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_image.color = _image.color.SetA(0);
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yield return waitForEndOfFrame;
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var texture2d = RequireTexture2D();
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var screenRect = new Rect(0, 0, ResolutionUtility.currentResolution.x - 1, ResolutionUtility.currentResolution.y - 1);
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texture2d.ReadPixels(screenRect, 0, 0, false);
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texture2d.Apply();
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_image.texture = texture2d;
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_image.color = _image.color.SetA(1);
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for (int i = 0; i < blurs.Count; i++)
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{
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blurs[i].enabled = false;
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}
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CameraManager.uiCamera.enabled = true;
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if (_callBack != null)
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{
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_callBack();
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_callBack = null;
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}
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}
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public static void StopShotCut(RawImage _image)
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{
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if (_image.texture != null)
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{
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RecycleTexture2D((Texture2D)_image.texture);
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}
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}
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public static void ScreenShotCut(Action<Texture2D> callBack)
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{
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SnxxzGame.Instance.StartCoroutine(Co_DelayScreenShotCut(callBack));
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}
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static IEnumerator Co_DelayScreenShotCut(Action<Texture2D> callBack)
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{
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yield return waitForEndOfFrame;
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try
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{
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var texture2d = RequireTexture2D();
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var screenRect = new Rect(0, 0, ResolutionUtility.currentResolution.x - 1, ResolutionUtility.currentResolution.y - 1);
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texture2d.ReadPixels(screenRect, 0, 0, false);
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texture2d.Apply();
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callBack(texture2d);
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}
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catch (Exception e)
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{
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Debug.LogError("截屏发生错误：" + e);
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}
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callBack = null;
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}
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public static void StopShotCut(Texture2D tex)
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{
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RecycleTexture2D(tex);
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}
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}
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