ZhuangPeiShiJianZhu/Assets/06_Scripts/Framework/Utilities/VCR.cs

using RenderHeads.Media.AVProVideo;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using ZXK.ZPS;
using DG.Tweening;
/*******************************************************************************
*Create By CG
*Function 视频播放器
*******************************************************************************/
namespace ZXK.UTility
{
	public class VCR : MonoBehaviour
	{
		[SerializeField]
		private MediaPlayer _playingPlayer;
		[SerializeField]
		private RectTransform _ctrlContainer;
		[SerializeField]
		private Slider _videoSeekSlider;
		[SerializeField]
		private Slider _audioVolumeSlider;
		[SerializeField]
		private Text _timeText;
		[SerializeField]
		private Button _playCtrlBtn;
		[SerializeField]//播放暂停按钮
		private Sprite[] _playCtrlImgs;

		private float _setVideoSeekSliderValue;
		private bool _wasPlayingOnScrub;
		private float _setAudioVolumeSliderValue;

		private float _mouseStopTime = 2.0f;//鼠标停留多久隐藏控制按键
		private bool _downState = false;
		private float _curMouseTime = 0.0f;
		private Vector2 _previousPos = Vector2.zero;

		void Awake()
		{
            switch (GameRoot.Instance._CurType)
			{
				case EnumCtrl.Type.None:
					break;
				case EnumCtrl.Type.WQB:
					_playingPlayer.m_VideoPath = ConstCtrl.VIDEO_WQB_PATH;
					break;
				case EnumCtrl.Type.DHB:
					_playingPlayer.m_VideoPath = ConstCtrl.VIDEO_DHB_PATH;
					break;
				default:
					break;
			}
					
		}
		public void OnOpenVideoFile()
		{            
			if (string.IsNullOrEmpty(_playingPlayer.m_VideoPath))
			{
				_playingPlayer.CloseVideo();
			}
			else
			{
				_playingPlayer.OpenVideoFromFile(MediaPlayer.FileLocation.RelativeToStreamingAssetsFolder, _playingPlayer.m_VideoPath, true);
				_playCtrlBtn.GetComponent<Image>().sprite = _playCtrlImgs[1];
			}
			if (_playingPlayer)
			{
				_playingPlayer.Events.AddListener(OnVideoEvent);
				if (_audioVolumeSlider)
				{
					if (_playingPlayer.Control != null)
					{
						float volume = _playingPlayer.Control.GetVolume();
						_setAudioVolumeSliderValue = volume;
						Debug.Log($"当前音量：{_setAudioVolumeSliderValue}");
						_audioVolumeSlider.value = volume;
					}
				}
			}
		}
		void Update()
		{
			if (_playingPlayer && _playingPlayer.Info != null && _playingPlayer.Info.GetDurationMs() > 0f)
			{
				float time = _playingPlayer.Control.GetCurrentTimeMs();
                System.TimeSpan timeSpan = System.TimeSpan.FromMilliseconds(time);
				float duration = _playingPlayer.Info.GetDurationMs();
				System.TimeSpan durationSpan = System.TimeSpan.FromMilliseconds(duration);
				_timeText.text = timeSpan.ToString("hh\\:mm\\:ss") + "/" + durationSpan.ToString("hh\\:mm\\:ss");
				float d = Mathf.Clamp(time / duration, 0.0f, 1.0f);

				_setVideoSeekSliderValue = d;
				_videoSeekSlider.value = d;
			}

			//监听鼠标是否移动
			Vector2 curPos= Input.mousePosition;
			if (Vector2.Distance(curPos, _previousPos)< 0.5f)
            {
				_curMouseTime += Time.deltaTime;
			}
            else
            {
				_curMouseTime = 0;

			}
			if(Input.GetMouseButtonDown(0)|| Input.GetMouseButtonDown(1) || Input.GetMouseButtonDown(2))
            {
				CtrlContainerDownUp(false);
				_curMouseTime = 0;
			}
			if(_curMouseTime > _mouseStopTime)
            {
				CtrlContainerDownUp(true);
			}
            else
            {
				CtrlContainerDownUp(false);
			}
			_previousPos = curPos;
		}
		private void OnDestroy()
		{
			if (_playingPlayer)
			{
				_playingPlayer.Events.RemoveListener(OnVideoEvent);
			}
		}		

		public void OnVideoEvent(MediaPlayer mp, MediaPlayerEvent.EventType et, ErrorCode errorCode)
		{
			switch (et)
			{
				case MediaPlayerEvent.EventType.ReadyToPlay:
					break;
				case MediaPlayerEvent.EventType.Started:
					break;
				case MediaPlayerEvent.EventType.FirstFrameReady:
					break;
				case MediaPlayerEvent.EventType.FinishedPlaying:
					break;
			}
			Debug.Log("Event: " + et.ToString());
		}

		public void OnVideoSeekSlider()
		{
			if (_playingPlayer && _videoSeekSlider && _videoSeekSlider.value != _setVideoSeekSliderValue)
			{
				_playingPlayer.Control.Seek(_videoSeekSlider.value * _playingPlayer.Info.GetDurationMs());
			}
		}

		public void OnVideoSliderDown()
		{
			if (_playingPlayer)
			{
				_wasPlayingOnScrub = _playingPlayer.Control.IsPlaying();
				if (_wasPlayingOnScrub)
				{
					_playingPlayer.Control.Pause();
				}
				OnVideoSeekSlider();
			}
		}
		public void OnVideoSliderUp()
		{
			if (_playingPlayer && _wasPlayingOnScrub)
			{
				_playingPlayer.Control.Play();
				_wasPlayingOnScrub = false;
			}
		}

		public void OnAudioVolumeSlider()
		{
			if (_playingPlayer && _audioVolumeSlider && _audioVolumeSlider.value != _setAudioVolumeSliderValue)
			{
				_playingPlayer.Control.SetVolume(_audioVolumeSlider.value);
			}
		}

		public void OnPlayPauseButton()
		{
			if (_playingPlayer.Control.IsPlaying())
			{
				_playingPlayer.Control.Pause();
				_playCtrlBtn.GetComponent<Image>().sprite = _playCtrlImgs[0];
			}
            else
            {
				_playingPlayer.Control.Play();
				_playCtrlBtn.GetComponent<Image>().sprite = _playCtrlImgs[1];
			}
		}

		private void CtrlContainerDownUp(bool isDown)
        {
			//Debug.Log($"控制按钮状态；{isDown}");
            if (isDown)
            {
				if (!_downState)
				{
					Debug.Log("执行下降");
					_downState = true;
					_ctrlContainer.DOAnchorPosY(-200.0f, 0.5f);
				}
            }
            else
            {
                if (_downState)
				{
					Debug.Log("执行上升");
					_downState = false;
					_ctrlContainer.DOAnchorPosY(-0, 0.5f);
				}
			}
		}
	}
}