134 lines
4.3 KiB
C#
134 lines
4.3 KiB
C#
using System;
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using Framework;
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using PhxhSDK;
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using UnityEngine;
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using Constants = Framework.Constants;
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/// <summary>
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/// 截图管理器
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/// 负责管理游戏内的模糊截图功能（用于UI背景等）
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/// </summary>
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public class ScreenshotManager
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{
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#region Singleton
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private static ScreenshotManager _instance;
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public static ScreenshotManager Instance
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{
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get
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{
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if (_instance == null)
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{
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_instance = new ScreenshotManager();
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}
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return _instance;
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}
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}
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private ScreenshotManager() { }
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#endregion
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private const string SCREEN_SNAPSHOT = "ScreenSnapshot";
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private RenderTexture _screenTexture;
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/// <summary>
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/// 截取当前屏幕并应用模糊效果
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/// </summary>
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/// <param name="captureUI">是否截取UI相机内容（默认true），false则截取主相机</param>
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public void CaptureScreenshot(bool captureUI = true)
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{
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try
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{
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//int width = PerformanceManager.instance.ScreenSize.x / 2;
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//int height = PerformanceManager.instance.ScreenSize.y / 2;
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int width = Screen.width / 2;
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int height = Screen.height / 2;
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// 创建或更新 RenderTexture
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if (null == _screenTexture)
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{
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_screenTexture = RenderTexturePool.Instance.Create(SCREEN_SNAPSHOT, width, height, RenderTexturePool.DEFAULT_DEPTH);
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_screenTexture.filterMode = FilterMode.Trilinear;
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}
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else if (_screenTexture.width != width || _screenTexture.height != height)
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{
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RenderTexturePool.Instance.Destroy(_screenTexture, true);
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_screenTexture = RenderTexturePool.Instance.Create(SCREEN_SNAPSHOT, width, height, RenderTexturePool.DEFAULT_DEPTH);
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_screenTexture.filterMode = FilterMode.Trilinear;
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}
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CameraManager.Instance.SetMainCameraActive(false);
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// 渲染截图
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Camera usingCamera = captureUI ? CameraManager.Instance.UICamera : CameraManager.Instance.MainCamera;
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if (usingCamera != null)
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{
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Rect rect = usingCamera.rect;
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usingCamera.rect = new Rect(0f, 0f, 1f, 1f);
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usingCamera.targetTexture = _screenTexture;
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usingCamera.Render();
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usingCamera.targetTexture = captureUI ? null : CameraManager.Instance.DefaultRenderTarget;
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usingCamera.rect = rect;
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}
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else
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{
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DebugUtil.LogError("ScreenshotManager: usingCamera is null");
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}
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// 高斯模糊处理
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ApplyGaussianBlur();
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}
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catch (Exception e)
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{
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DebugUtil.LogError($"ScreenshotManager.CaptureScreenshot error: {e}");
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}
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}
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/// <summary>
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/// 应用高斯模糊效果
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/// </summary>
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private void ApplyGaussianBlur()
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{
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var material = AssetManager.Instance.GetPreLoadResult<Material>(Constants.BLUR_MAT_PATH);
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if (material == null)
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{
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DebugUtil.LogError("ScreenshotManager: Blur material not found");
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return;
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}
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// 需要用一个缓存的rt,不然移动平台会出现方块
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RenderTexture cacheRt = CameraManager.Instance.DefaultRenderTarget;
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Graphics.Blit(_screenTexture, cacheRt, material);
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Graphics.Blit(cacheRt, _screenTexture);
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}
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/// <summary>
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/// 重置截图状态（恢复主相机）
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/// </summary>
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public void ResetScreenshot()
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{
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CameraManager.Instance.SetMainCameraActive(true);
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}
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/// <summary>
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/// 获取截图的 Texture2D
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/// </summary>
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public Texture2D GetScreenTexture2D()
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{
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if (_screenTexture == null)
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{
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DebugUtil.LogWarning("ScreenshotManager: No screenshot available");
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return null;
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}
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Texture2D texture2D = PhxhSDK.Utils.CreateTexture2D(_screenTexture.name, _screenTexture.width, _screenTexture.height);
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RenderTexture.active = _screenTexture;
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texture2D.ReadPixels(new Rect(0f, 0f, _screenTexture.width, _screenTexture.height), 0, 0);
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texture2D.Apply();
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RenderTexture.active = null;
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return texture2D;
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}
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}
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