public static void DrawWaveformPreview(WaveformPreview preview, Rect rect)
{
if (preview != null)
{
preview.ApplyModifications();
preview.Render(rect);
}
}
static WaveformPreview CreateWaveformPreview(AudioClip audioClip, Rect quantizedRect)
{
WaveformPreview preview = WaveformPreviewFactory.Create((int)quantizedRect.width, audioClip);
Color waveColour = GammaCorrect(DirectorStyles.Instance.customSkin.colorAudioWaveform);
Color transparent = waveColour;
transparent.a = 0;
preview.backgroundColor = transparent;
preview.waveColor = waveColour;
preview.SetChannelMode(WaveformPreview.ChannelMode.MonoSum);
preview.updated += () => TimelineEditor.Refresh(RefreshReason.WindowNeedsRedraw);
return(preview);
}
protected override void DrawCustomClipBody(TrackDrawer.ClipDrawData drawData, Rect rect)
{
if (drawData.state.showAudioWaveform)
{
if (rect.get_width() > 0f)
{
TimelineClip clip = drawData.clip;
AudioClip audioClip = clip.asset as AudioClip;
if (audioClip == null)
{
AudioPlayableAsset audioPlayableAsset = drawData.clip.asset as AudioPlayableAsset;
if (audioPlayableAsset != null)
{
audioClip = audioPlayableAsset.clip;
}
if (audioClip == null)
{
return;
}
}
Rect rect2 = new Rect(Mathf.Ceil(rect.get_x()), Mathf.Ceil(rect.get_y()), Mathf.Ceil(rect.get_width()), Mathf.Ceil(rect.get_height()));
WaveformPreview waveformPreview;
if (!AudioTrackDrawer.s_PersistentPreviews.TryGetValue(drawData.clip, out waveformPreview) || audioClip != waveformPreview.presentedObject)
{
WaveformPreview waveformPreview2 = WaveformPreviewFactory.Create((int)rect2.get_width(), audioClip);
AudioTrackDrawer.s_PersistentPreviews[drawData.clip] = waveformPreview2;
waveformPreview = waveformPreview2;
Color colorAudioWaveform = DirectorStyles.Instance.customSkin.colorAudioWaveform;
Color backgroundColor = colorAudioWaveform;
backgroundColor.a = 0f;
waveformPreview.set_backgroundColor(backgroundColor);
waveformPreview.set_waveColor(colorAudioWaveform);
waveformPreview.SetChannelMode(0);
waveformPreview.add_updated(new Action(drawData.state.editorWindow.Repaint));
}
waveformPreview.set_looping(drawData.clip.SupportsLooping());
waveformPreview.SetTimeInfo(drawData.localVisibleStartTime, drawData.localVisibleEndTime - drawData.localVisibleStartTime);
waveformPreview.OptimizeForSize(rect2.get_size());
if (Event.get_current().get_type() == 7)
{
waveformPreview.ApplyModifications();
waveformPreview.Render(rect2);
}
}
}
}
public override void DrawBackground(TimelineClip clip, ClipBackgroundRegion region)
{
if (!TimelineWindow.instance.state.showAudioWaveform)
{
return;
}
var rect = region.position;
if (rect.width <= 0)
{
return;
}
var audioClip = clip.asset as AudioClip;
if (audioClip == null)
{
var audioPlayableAsset = clip.asset as AudioPlayableAsset;
if (audioPlayableAsset != null)
{
audioClip = audioPlayableAsset.clip;
}
}
if (audioClip == null)
{
return;
}
var quantizedRect = new Rect(Mathf.Ceil(rect.x), Mathf.Ceil(rect.y), Mathf.Ceil(rect.width), Mathf.Ceil(rect.height));
WaveformPreview preview = GetOrCreateWaveformPreview(clip, audioClip, quantizedRect, region.startTime, region.endTime);
if (Event.current.type == EventType.Repaint)
{
DrawWaveformPreview(preview, quantizedRect);
}
}
