252 lines
9.6 KiB
C#
252 lines
9.6 KiB
C#
using UnityEngine;
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using UnityEngine.UI;
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using UnityEngine.Video;
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using System.Collections;
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namespace GameFramework
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{
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/// <summary>
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/// 剧情 PV 播放器 —— 点击 StoryReplayButton 后弹出全屏视频覆盖层播放 PV。
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/// 播放完毕自动关闭，也可点击"跳过"按钮立即关闭。
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///
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/// 搭建：
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/// 1. 在 MainMenu Canvas 下创建 VideoOverlay（初始 SetActive(false)）
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/// 2. 子物体：BG (全屏黑色 Image)、VideoDisplay (RawImage)、SkipButton (Button)
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/// 3. 挂 VideoPlayer 组件，VideoClip 赋值为 pv.mp4
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/// 4. 挂本脚本，Inspector 中关联各引用
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/// </summary>
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public class StoryPVPlayer : MonoBehaviour
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{
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[Header("覆盖层")]
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[Tooltip("视频覆盖层根节点（初始隐藏）")]
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[SerializeField] private GameObject videoOverlay;
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[Header("视频显示")]
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[Tooltip("全屏 RawImage 用于显示视频画面")]
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[SerializeField] private RawImage videoDisplay;
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[Header("跳过按钮")]
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[Tooltip("右下角跳过按钮")]
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[SerializeField] private Button skipButton;
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[Header("视频播放器")]
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[Tooltip("VideoPlayer 组件（挂在 VideoOverlay 或自身上）")]
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[SerializeField] private VideoPlayer videoPlayer;
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private RenderTexture _renderTexture;
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private bool _isPlaying = false;
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/// <summary>
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/// 懒加载：确保所有引用都已初始化。
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/// 使用 GetComponentsInChildren(true) 递归搜索（包括 inactive 子物体）。
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/// </summary>
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private void EnsureReferences()
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{
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// videoOverlay：默认就是自身（StoryPVPlayer 挂在 VideoOverlay 上）
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if (videoOverlay == null)
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{
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// 递归搜索子物体中名为 "VideoOverlay" 的 GameObject
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var transforms = GetComponentsInChildren<Transform>(true);
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foreach (var t in transforms)
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{
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if (t.name == "VideoOverlay")
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{
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videoOverlay = t.gameObject;
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break;
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}
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}
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// 如果没找到，说明本脚本就挂在 VideoOverlay 上
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if (videoOverlay == null)
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videoOverlay = gameObject;
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}
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// 查找 RawImage（递归搜索 videoOverlay 的子物体，包括 inactive）
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if (videoDisplay == null && videoOverlay != null)
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{
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var displays = videoOverlay.GetComponentsInChildren<RawImage>(true);
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if (displays.Length > 0)
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videoDisplay = displays[0];
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}
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// 查找 SkipButton（递归搜索，按名称匹配避免找到其他按钮）
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if (skipButton == null && videoOverlay != null)
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{
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var buttons = videoOverlay.GetComponentsInChildren<Button>(true);
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foreach (var b in buttons)
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{
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if (b.name == "SkipButton")
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{
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skipButton = b;
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skipButton.onClick.AddListener(Stop);
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break;
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}
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}
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}
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// 查找 VideoPlayer：先查自身，再查 videoOverlay
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if (videoPlayer == null)
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videoPlayer = GetComponent<VideoPlayer>();
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if (videoPlayer == null && videoOverlay != null)
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videoPlayer = videoOverlay.GetComponent<VideoPlayer>();
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// 订阅播放完成事件（只订阅一次）
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if (videoPlayer != null)
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videoPlayer.loopPointReached -= OnVideoFinished;
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if (videoPlayer != null)
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videoPlayer.loopPointReached += OnVideoFinished;
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}
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/// <summary>
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/// 播放 PV：先激活覆盖层 → 初始化引用 → 创建 RenderTexture → 等一帧 → 开始播放。
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/// </summary>
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public void Play()
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{
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Debug.Log($"[StoryPVPlayer] Play() called, _isPlaying={_isPlaying}, gameObject.activeSelf={gameObject.activeSelf}");
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if (_isPlaying)
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{
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Debug.Log("[StoryPVPlayer] 已在播放中，忽略本次点击");
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return;
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}
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// 关键：本脚本所在的 GameObject 可能初始为 inactive，必须先激活才能启动协程。
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// 这里先把 gameObject.active 设为 true，让 MonoBehaviour 能正常工作。
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gameObject.SetActive(true);
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// 确保所有引用已初始化（可能在 Inspector 中未赋值，通过递归搜索查找）
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EnsureReferences();
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// 确保 videoOverlay 被赋值
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if (videoOverlay == null)
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videoOverlay = gameObject;
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// 激活覆盖层
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if (videoOverlay != null && videoOverlay != gameObject)
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videoOverlay.SetActive(true);
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Debug.Log($"[StoryPVPlayer] 引用检查：videoOverlay={videoOverlay != null}, videoDisplay={videoDisplay != null}, videoPlayer={videoPlayer != null}");
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if (videoPlayer == null || videoDisplay == null || videoOverlay == null)
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{
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Debug.LogError($"[StoryPVPlayer] 引用未配置！videoOverlay={videoOverlay != null}, videoDisplay={videoDisplay != null}, videoPlayer={videoPlayer != null}。请检查 Inspector。");
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if (videoOverlay != null) videoOverlay.SetActive(false);
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return;
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}
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// 检查视频文件
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if (videoPlayer.clip == null)
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{
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Debug.LogWarning("[StoryPVPlayer] VideoClip 未设置，尝试从 Resources 加载...");
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videoPlayer.clip = Resources.Load<VideoClip>("pv");
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if (videoPlayer.clip == null)
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{
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Debug.LogError("[StoryPVPlayer] 无法加载 pv 视频文件！请将 pv.mp4 放入 Resources 文件夹，或在 Inspector 中赋值 VideoClip。");
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videoOverlay.SetActive(false);
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return;
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}
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}
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// 创建 RenderTexture（匹配视频分辨率，如果未知则用屏幕分辨率）
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int width = videoPlayer.clip != null ? (int)videoPlayer.clip.width : Screen.width;
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int height = videoPlayer.clip != null ? (int)videoPlayer.clip.height : Screen.height;
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if (_renderTexture != null)
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{
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_renderTexture.Release();
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Destroy(_renderTexture);
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}
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_renderTexture = new RenderTexture(width, height, 0);
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videoPlayer.targetTexture = _renderTexture;
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videoDisplay.texture = _renderTexture;
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Debug.Log("[StoryPVPlayer] 启动协程，延迟一帧播放");
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// 启动协程，等待一帧后再播放（Unity VideoPlayer 在 SetActive 同帧内调用 Play 无效）
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StartCoroutine(PlayVideoCoroutine());
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}
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/// <summary>
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/// 延迟一帧后播放视频（解决 VideoPlayer 在激活同帧内调用 Play 无效的问题）。
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/// </summary>
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private IEnumerator PlayVideoCoroutine()
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{
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_isPlaying = true;
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Debug.Log($"[StoryPVPlayer] PlayVideoCoroutine started, activeSelf={gameObject.activeSelf}");
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// 等待一帧，让 VideoPlayer 完成初始化
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yield return null;
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Debug.Log($"[StoryPVPlayer] 协程等待一帧后：videoPlayer={videoPlayer != null}, isActive={gameObject.activeSelf}");
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if (videoPlayer == null)
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{
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Debug.LogError("[StoryPVPlayer] 协程中 videoPlayer 为 null，无法播放");
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_isPlaying = false;
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yield break;
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}
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// 播放
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videoPlayer.Play();
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Debug.Log($"[StoryPVPlayer] 已调用 videoPlayer.Play(), isPlaying={videoPlayer.isPlaying}");
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// 暂停背景音乐
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if (AudioManager.Instance != null)
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AudioManager.Instance.PauseBGM();
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Debug.Log("[StoryPVPlayer] 开始播放 PV");
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}
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/// <summary>
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/// 停止播放：停止 VideoPlayer → 释放 RenderTexture → 隐藏覆盖层。
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/// </summary>
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public void Stop()
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{
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_isPlaying = false;
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if (videoPlayer != null)
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videoPlayer.Stop();
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if (_renderTexture != null)
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{
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_renderTexture.Release();
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Destroy(_renderTexture);
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_renderTexture = null;
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}
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if (videoDisplay != null)
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videoDisplay.texture = null;
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if (videoOverlay != null)
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videoOverlay.SetActive(false);
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// 恢复背景音乐
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if (AudioManager.Instance != null)
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AudioManager.Instance.UnpauseBGM();
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Debug.Log("[StoryPVPlayer] PV 播放已停止");
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}
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/// <summary>
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/// 视频播放完毕回调（自动关闭覆盖层）。
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/// </summary>
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private void OnVideoFinished(VideoPlayer source)
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{
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Debug.Log("[StoryPVPlayer] PV 播放完毕");
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Stop();
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}
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private void OnDestroy()
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{
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if (videoPlayer != null)
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videoPlayer.loopPointReached -= OnVideoFinished;
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if (_renderTexture != null)
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{
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_renderTexture.Release();
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Destroy(_renderTexture);
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}
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}
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}
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}
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