public override void OnPreviewGUI(Rect r, GUIStyle background)
{
if (s_DefaultIcon == null)
{
Init();
}
AudioClip clip = target as AudioClip;
Event evt = Event.current;
if (evt.type != EventType.Repaint && evt.type != EventType.Layout && evt.type != EventType.Used)
{
switch (evt.type)
{
case EventType.MouseDrag:
case EventType.MouseDown:
{
if (r.Contains(evt.mousePosition))
{
var startSample = (int)(evt.mousePosition.x * (AudioUtil.GetSampleCount(clip) / (int)r.width));
if (!AudioUtil.IsPreviewClipPlaying() || clip != m_Clip)
{
PlayClip(clip, startSample, s_Loop);
}
else
{
AudioUtil.SetPreviewClipSamplePosition(clip, startSample);
}
evt.Use();
}
}
break;
}
return;
}
if (Event.current.type == EventType.Repaint)
{
background.Draw(r, false, false, false, false);
}
int c = AudioUtil.GetChannelCount(clip);
s_WantedRect = new Rect(r.x, r.y, r.width, r.height);
float sec2px = ((float)s_WantedRect.width / clip.length);
bool previewAble = AudioUtil.HasPreview(clip) || !(AudioUtil.IsTrackerFile(clip));
if (!previewAble)
{
float labelY = (r.height > 150) ? r.y + (r.height / 2) - 10 : r.y + (r.height / 2) - 25;
if (r.width > 64)
{
if (AudioUtil.IsTrackerFile(clip))
{
EditorGUI.DropShadowLabel(new Rect(r.x, labelY, r.width, 20), string.Format("Module file with " + AudioUtil.GetMusicChannelCount(clip) + " channels."));
}
else
{
EditorGUI.DropShadowLabel(new Rect(r.x, labelY, r.width, 20), "Can not show PCM data for this file");
}
}
if (m_Clip == clip)
{
float t = AudioUtil.GetPreviewClipPosition();
System.TimeSpan ts = new System.TimeSpan(0, 0, 0, 0, (int)(t * 1000.0f));
EditorGUI.DropShadowLabel(new Rect(s_WantedRect.x, s_WantedRect.y, s_WantedRect.width, 20), string.Format("Playing - {0:00}:{1:00}.{2:000}", ts.Minutes, ts.Seconds, ts.Milliseconds));
}
}
else
{
PreviewGUI.BeginScrollView(s_WantedRect, m_Position, s_WantedRect, "PreHorizontalScrollbar", "PreHorizontalScrollbarThumb");
if (Event.current.type == EventType.Repaint)
{
DoRenderPreview(true, clip, AudioUtil.GetImporterFromClip(clip), s_WantedRect, 1.0f);
}
for (int i = 0; i < c; ++i)
{
if (c > 1 && r.width > 64)
{
var labelRect = new Rect(s_WantedRect.x + 5, s_WantedRect.y + (s_WantedRect.height / c) * i, 30, 20);
EditorGUI.DropShadowLabel(labelRect, "ch " + (i + 1));
}
}
if (m_Clip == clip)
{
float t = AudioUtil.GetPreviewClipPosition();
System.TimeSpan ts = new System.TimeSpan(0, 0, 0, 0, (int)(t * 1000.0f));
GUI.DrawTexture(new Rect(s_WantedRect.x + (int)(sec2px * t), s_WantedRect.y, 2, s_WantedRect.height), EditorGUIUtility.whiteTexture);
if (r.width > 64)
{
EditorGUI.DropShadowLabel(new Rect(s_WantedRect.x, s_WantedRect.y, s_WantedRect.width, 20), string.Format("{0:00}:{1:00}.{2:000}", ts.Minutes, ts.Seconds, ts.Milliseconds));
}
else
{
EditorGUI.DropShadowLabel(new Rect(s_WantedRect.x, s_WantedRect.y, s_WantedRect.width, 20), string.Format("{0:00}:{1:00}", ts.Minutes, ts.Seconds));
}
}
PreviewGUI.EndScrollView();
}
if (!m_MultiEditing && (s_PlayFirst || (s_AutoPlay && m_Clip != clip)))
{
// Autoplay preview
PlayClip(clip, 0, s_Loop);
s_PlayFirst = false;
}
// force update GUI
if (playing)
{
GUIView.current.Repaint();
}
}