MuHua-123
114 lines
4.1 KiB
C#
114 lines
4.1 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.UIElements;
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using UnityEngine.Video;
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using MuHua;
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/// <summary>
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/// 视频播放控件
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/// </summary>
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public class UIVideoPlayPanel : ModuleUIPanel {
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private float showTime;
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private bool isDownSlider;
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private Action fullAction;
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private RenderTexture renderTexture;
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private VideoPlayer videoPlayer;
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private UISliderH slider;
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private VisualElement VideoView => element.Q<VisualElement>("VideoView");
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private VisualElement VideoController => element.Q<VisualElement>("VideoController");
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private VisualElement Slider => element.Q<VisualElement>("Slider");
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private Label Time => element.Q<Label>("Time");
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private Button Play => element.Q<Button>("Play");
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private Button Pause => element.Q<Button>("Pause");
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private Button FullScreen => element.Q<Button>("FullScreen");
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public UIVideoPlayPanel(VisualElement element, VisualElement canvas, VideoPlayer videoPlayer, Action fullAction = null) : base(element) {
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this.videoPlayer = videoPlayer;
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this.fullAction = fullAction;
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int width = (int)element.parent.resolvedStyle.width;
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int height = (int)element.parent.resolvedStyle.height;
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renderTexture = new RenderTexture(width, height, 0);
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Background background = Background.FromRenderTexture(renderTexture);
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VideoView.style.backgroundImage = new StyleBackground(background);
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Play.clicked += Play_clicked;
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Pause.clicked += Pause_clicked;
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FullScreen.clicked += FullScreen_clicked;
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VideoView.RegisterCallback<PointerDownEvent>((evt) => showTime = 5);
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VideoController.RegisterCallback<PointerDownEvent>((evt) => showTime = 5);
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Slider.RegisterCallback<PointerDownEvent>((evt) => isDownSlider = true);
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Slider.RegisterCallback<PointerUpEvent>((evt) => isDownSlider = false);
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Slider.RegisterCallback<PointerLeaveEvent>((evt) => isDownSlider = false);
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slider = new UISliderH(element, canvas);
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slider.ValueChanged += Slider_SlidingValueChanged;
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}
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/// <summary> 启用 </summary>
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public void Enable(string url) {
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videoPlayer.url = url; Enable();
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}
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/// <summary> 启用 </summary>
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public void Enable() {
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UpdateRenderTexture();
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videoPlayer.targetTexture = renderTexture;
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if (videoPlayer.isPlaying) { Play_clicked(); }
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else { Pause_clicked(); }
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}
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/// <summary> 更新 </summary>
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public void Update() {
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if (videoPlayer == null) { return; }
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showTime -= UnityEngine.Time.deltaTime;
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Visibility visibility = showTime > 0 ? Visibility.Visible : Visibility.Hidden;
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VideoController.style.visibility = visibility;
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//进度条
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float value = (float)videoPlayer.frame / (float)videoPlayer.frameCount;
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if (!isDownSlider) { slider.UpdateValue(value, false); }
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//播放时间
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string clockTime = TimeSpan.FromSeconds(videoPlayer.clockTime).ToString(@"mm\:ss");
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string length = TimeSpan.FromSeconds(videoPlayer.length).ToString(@"mm\:ss");
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Time.text = clockTime + "/" + length;
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}
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/// <summary> 播放 </summary>
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public void Play_clicked() {
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if (videoPlayer == null) { return; }
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videoPlayer.Play(); showTime = 5;
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Play.style.display = DisplayStyle.None;
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Pause.style.display = DisplayStyle.Flex;
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}
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/// <summary> 暂停 </summary>
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public void Pause_clicked() {
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if (videoPlayer == null) { return; }
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videoPlayer.Pause();
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Play.style.display = DisplayStyle.Flex;
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Pause.style.display = DisplayStyle.None;
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}
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/// <summary> 更新渲染纹理 </summary>
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private void UpdateRenderTexture() {
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int width = (int)element.parent.resolvedStyle.width;
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int height = (int)element.parent.resolvedStyle.height;
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if (renderTexture.width == width && renderTexture.height == height) { return; }
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renderTexture.Release();
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renderTexture = new RenderTexture(width, height, 0);
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Background background = Background.FromRenderTexture(renderTexture);
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VideoView.style.backgroundImage = new StyleBackground(background);
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}
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/// <summary> 全屏 </summary>
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private void FullScreen_clicked() {
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fullAction?.Invoke();
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}
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/// <summary> 进度条更新 </summary>
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private void Slider_SlidingValueChanged(float obj) {
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if (videoPlayer == null) { return; }
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videoPlayer.frame = (long)obj;
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}
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}
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