plugin-library/Assets/00.StaryEvoTools/Runtime/VideoSystemPanel/VideoPanel.cs

using System;
using Cysharp.Threading.Tasks;
using DG.Tweening;
using Stary.Evo;
using Stary.Evo.AudioCore;
using Stary.Evo.UIFarme;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.Video;
using YooAsset;


public class VideoPanel : BasePanel
{
    private Transform area;
    private RawImage intro;

    private GameObject prospect;
    private GameObject bg;

    private Animator _animator;

    private VideoPlayer videoPlayer;

    private AudioSource audioSource;

    private RenderTexture renderTexture;

    public VideoPanel()
    {
    }


    public override UITweenType TweenType => UITweenType.Fade;

    public override void Initialize(GameObject panelGo)
    {
        base.Initialize(panelGo);
        area = activePanel.transform.Find("Area");
        intro = area.Find("Intro").GetComponent<RawImage>();
        prospect = area.Find("prospect").gameObject;
        bg = area.Find("bg").gameObject;
        videoPlayer = area.GetComponentInChildren<VideoPlayer>();
        audioSource = area.GetComponentInChildren<AudioSource>();
        _animator = area.GetComponentInChildren<Animator>();
    }

    public override void OnEnter(Action complete = null)
    {
        base.OnEnter(complete);

        this.RegisterEvent<ModeType, VideoInfo>(ModeType.VideoStart, OnStartMove);
        this.RegisterEvent<ModeType>(ModeType.VideoEnd, OnStopMove);
    }

    public override void OnExit(float delay = 0)
    {
        base.OnExit(delay);
        this.UnRegisterEvent<ModeType, VideoInfo>(ModeType.VideoStart, OnStartMove);
        this.UnRegisterEvent<ModeType>(ModeType.VideoEnd, OnStopMove);
    }


    private void OnStartMove(VideoInfo info)
    {
        if (info.filename.Equals(""))
        {
            Debug.LogError("UnityEvo：视频文件名为空,必须传文件名才能执行");
            return;
        }

        if (info.position != null)
        {
            activePanel.transform.position = info.position.SetVector3Ctor();
        }

        if (info.rotation != null)
        {
            activePanel.transform.rotation = Quaternion.Euler(info.rotation.SetVector3Ctor());
        }

        if (info.scale != null)
        {
            activePanel.transform.DOScale(info.scale.SetVector3Ctor(), 0.5f);
        }

        OnStartMove(info.filename, info.videoframeName, info.callback, info.isFixedSize);
    }


    private async void OnStartMove(string fileName, string videoframeName, Action callback, bool isFixedSize)
    {
        if (isFixedSize)
        {
            _animator.gameObject.SetActive(false);
            bg.SetActive(false);
            prospect.SetActive(false);
        }
        else
        {
            _animator.gameObject.SetActive(true);
            bg.SetActive(true);
            prospect.SetActive(true);
        }

        var mainpackage = YooAssets.TryGetPackage("Main");
        var videoframeHandle = mainpackage.LoadAssetAsync<Sprite>(videoframeName);
        await videoframeHandle.Task;
        bg.GetComponent<Image>().sprite = videoframeHandle.GetAssetObject<Sprite>();

        //新增renderTexture创建
        if (videoPlayer.isPlaying)
        {
            videoPlayer.Stop();
            //释放renderTexture
            if (renderTexture != null)
            {
                renderTexture.Release();
                renderTexture = null;
            }
        }

        var videHandle = YooAssets.LoadAssetAsync<VideoClip>(fileName);
        await videHandle.Task;
        Debug.Log("UnityEvo：开始播放视频:" + fileName);
        VideoClip videoClip = videHandle.GetAssetObject<VideoClip>();

        renderTexture = new RenderTexture((int)videoClip.width, (int)videoClip.height, 24);
        videoPlayer.targetTexture = renderTexture;
        intro.texture = renderTexture;
        intro.SetNativeSize();
        var musicHandle = YooAssets.LoadAssetAsync<AudioClip>(fileName + "_mp3");
        await musicHandle.Task;

        videoPlayer.source = VideoSource.VideoClip;
        videoPlayer.clip = videoClip;

        Debug.Log("UnityEvo：开始播放视频的音频:" + fileName + "_mp3");
        AudioClip audioClip = musicHandle.GetAssetObject<AudioClip>();
        audioSource.clip = audioClip;

        //等待视频加载完成
        videoPlayer.Prepare();
        videoPlayer.prepareCompleted += (source) =>
        {
            _animator.Play("vid_maskAni", 0, 0);

            //预加载
            if (videoPlayer.isPrepared)
            {
                videoPlayer.Play();
                audioSource.Play();
            }
        };

        videoPlayer.loopPointReached += (source) =>
        {
            OnStopMove();
            callback?.Invoke();
        };
        videoPlayer.errorReceived += (source, error) => { Debug.LogError($"视频播放失败:{error}"); };
    }

    private void OnStopMove()
    {
        Debug.Log("UnityEvo：视频播放完成");
        AudioCoreManager.SetMusicVolume(2f, 1f);
        _animator.Play("vid_maskDefault", 0, 0);
        if (renderTexture != null)
        {
            renderTexture.Release();
            renderTexture = null;
        }

        if (audioSource.isPlaying)
        {
            audioSource.Stop();
        }

        PanelSystem.PopQueue<VideoPanel>();
    }


    public struct VideoInfo
    {
        public string filename;
        public string videoframeName;
        public Vector3Ctor position;
        public Vector3Ctor rotation;
        public Vector3Ctor scale;
        public Action callback;
        public bool isFixedSize;
    }
}