//----------------------------------------------------------------------------------------------------------------------
protected override void DrawPreviewImageV(ref PreviewDrawInfo drawInfo, TimelineClip clip,
StreamingImageSequencePlayableAsset sisAsset)
{
int imageIndex = sisAsset.LocalTimeToImageIndex(clip, drawInfo.LocalTime);
string imagePath = sisAsset.GetImageFilePath(imageIndex);
PreviewUtility.DrawPreviewImage(ref drawInfo, imagePath);
}
//----------------------------------------------------------------------------------------------------------------------
protected override void DrawPreviewImageV(ref PreviewDrawInfo drawInfo, TimelineClip clip,
ImageFolderPlayableAsset <SISClipData> playableAsset)
{
StreamingImageSequencePlayableAsset sisAsset = playableAsset as StreamingImageSequencePlayableAsset;
Assert.IsNotNull(sisAsset);
int imageIndex = sisAsset.LocalTimeToImageIndex(clip, drawInfo.LocalTime);
string imagePath = sisAsset.GetImageFilePath(imageIndex);
PreviewUtility.DrawPreviewImage(ref drawInfo, imagePath);
}
//----------------------------------------------------------------------------------------------------------------------
protected override void DrawPreviewImageV(ref PreviewDrawInfo drawInfo, TimelineClip clip,
RenderCachePlayableAsset renderCachePlayableAsset)
{
double normalizedLocalTime = drawInfo.LocalTime / clip.duration;
int numImages = renderCachePlayableAsset.GetNumImages();
Assert.IsTrue(numImages > 0);
//Can't round up, because if the time for the next frame hasn't been reached, then we should stick
int index = Mathf.FloorToInt(numImages * (float)normalizedLocalTime);
index = Mathf.Clamp(index, 0, numImages - 1);
//Draw
string imagePath = renderCachePlayableAsset.GetImageFilePath(index);
PreviewUtility.DrawPreviewImage(ref drawInfo, imagePath);
}