130 lines
3.5 KiB
C#
Executable File
130 lines
3.5 KiB
C#
Executable File
using UnityEngine;
|
|
using UnityEngine.UI;
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// Copyright 2015-2021 RenderHeads Ltd. All rights reserved.
|
|
//-----------------------------------------------------------------------------
|
|
|
|
namespace RenderHeads.Media.AVProVideo
|
|
{
|
|
/// <summary>
|
|
/// Update a standard uGUI Text element with subtitle text as it plays from the MediaPlayer
|
|
/// </summary>
|
|
[AddComponentMenu("AVPro Video/Subtitles uGUI", 201)]
|
|
[HelpURL("http://renderheads.com/products/avpro-video/")]
|
|
public class SubtitlesUGUI : MonoBehaviour
|
|
{
|
|
[SerializeField] MediaPlayer _mediaPlayer = null;
|
|
[SerializeField] Text _text = null;
|
|
[SerializeField] Image _backgroundImage = null;
|
|
[SerializeField] int _backgroundHorizontalPadding = 32;
|
|
[SerializeField] int _backgroundVerticalPadding = 16;
|
|
[SerializeField, Range(-1, 1024)] int _maxCharacters = 256;
|
|
|
|
public MediaPlayer Player
|
|
{
|
|
set { ChangeMediaPlayer(value); }
|
|
get { return _mediaPlayer; }
|
|
}
|
|
|
|
public Text Text
|
|
{
|
|
set { _text = value; }
|
|
get { return _text; }
|
|
}
|
|
|
|
void Start()
|
|
{
|
|
ChangeMediaPlayer(_mediaPlayer);
|
|
}
|
|
|
|
void OnDestroy()
|
|
{
|
|
ChangeMediaPlayer(null);
|
|
}
|
|
|
|
void Update()
|
|
{
|
|
// TODO: Currently we need to call this each frame, as when it is called right after SetText()
|
|
// the ContentSizeFitter hasn't run yet, so effectively the box is a frame behind.
|
|
UpdateBackgroundRect();
|
|
}
|
|
|
|
public void ChangeMediaPlayer(MediaPlayer newPlayer)
|
|
{
|
|
// When changing the media player, handle event subscriptions
|
|
if (_mediaPlayer != null)
|
|
{
|
|
_mediaPlayer.Events.RemoveListener(OnMediaPlayerEvent);
|
|
_mediaPlayer = null;
|
|
}
|
|
|
|
SetText(string.Empty);
|
|
|
|
if (newPlayer != null)
|
|
{
|
|
newPlayer.Events.AddListener(OnMediaPlayerEvent);
|
|
_mediaPlayer = newPlayer;
|
|
}
|
|
}
|
|
|
|
private void SetText(string text)
|
|
{
|
|
_text.text = text;
|
|
UpdateBackgroundRect();
|
|
}
|
|
|
|
private string PrepareText(string text)
|
|
{
|
|
// Crop text that is too long
|
|
if (_maxCharacters >= 0 && text.Length > _maxCharacters)
|
|
{
|
|
text = text.Substring(0, _maxCharacters);
|
|
}
|
|
|
|
// Change RichText for Unity uGUI Text
|
|
text = text.Replace("<font color=", "<color=");
|
|
text = text.Replace("</font>", "</color>");
|
|
text = text.Replace("<u>", string.Empty);
|
|
text = text.Replace("</u>", string.Empty);
|
|
return text;
|
|
}
|
|
|
|
private void UpdateBackgroundRect()
|
|
{
|
|
if (_backgroundImage)
|
|
{
|
|
if (string.IsNullOrEmpty(_text.text))
|
|
{
|
|
_backgroundImage.enabled = false;
|
|
}
|
|
else
|
|
{
|
|
_backgroundImage.enabled = true;
|
|
_backgroundImage.rectTransform.sizeDelta = _text.rectTransform.sizeDelta;
|
|
_backgroundImage.rectTransform.anchoredPosition = _text.rectTransform.anchoredPosition;
|
|
_backgroundImage.rectTransform.offsetMin -= new Vector2(_backgroundHorizontalPadding, _backgroundVerticalPadding);
|
|
_backgroundImage.rectTransform.offsetMax += new Vector2(_backgroundHorizontalPadding, _backgroundVerticalPadding);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Callback function to handle events
|
|
private void OnMediaPlayerEvent(MediaPlayer mp, MediaPlayerEvent.EventType et, ErrorCode errorCode)
|
|
{
|
|
switch (et)
|
|
{
|
|
case MediaPlayerEvent.EventType.Closing:
|
|
{
|
|
SetText(string.Empty);
|
|
break;
|
|
}
|
|
case MediaPlayerEvent.EventType.SubtitleChange:
|
|
{
|
|
SetText(PrepareText(_mediaPlayer.Subtitles.GetSubtitleText()));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} |