//----------------------------------------------------------------------------------------------------------------------
/// <inheritdoc/>
public override void OnCreate(TimelineClip clip, TrackAsset track, TimelineClip clonedFrom)
{
StreamingImageSequencePlayableAsset asset = clip.asset as StreamingImageSequencePlayableAsset;
if (null == asset)
{
Debug.LogError("Asset is not a StreamingImageSequencePlayableAsset: " + clip.asset);
return;
}
StreamingImageSequenceTrack sisTrack = track as StreamingImageSequenceTrack;
Assert.IsNotNull(sisTrack);
//This callback occurs before the clip is assigned to the track, but we need the track for creating curves.
clip.parentTrack = track;
//If we have a default asset, and clonedFrom is NULL, which means this is created by user interaction,
//such as Folder D&D
UnityEditor.DefaultAsset timelineDefaultAsset = asset.GetTimelineDefaultAsset();
if (null != timelineDefaultAsset && null == clonedFrom)
{
InitializeAssetFromDefaultAsset(asset, timelineDefaultAsset);
}
//If the clip already has curves (because of cloning, etc), then we don't set anything
if (null == clip.curves)
{
if (asset.HasImages())
{
clip.duration = asset.GetImageFileNames().Count * 0.125; // 8fps (standard limited animation)
clip.displayName = Path.GetFileName(asset.GetFolder());
}
clip.CreateCurves("Curves: " + clip.displayName);
}
TimelineClipSISData sisData = null;
asset.InitTimelineClipCurve(clip);
if (null == clonedFrom)
{
sisData = new TimelineClipSISData(clip);
asset.BindTimelineClipSISData(sisData);
return;
}
//Duplicate/Split process
StreamingImageSequencePlayableAsset clonedFromAsset = clonedFrom.asset as StreamingImageSequencePlayableAsset;
Assert.IsNotNull(clonedFromAsset);
TimelineClipSISData otherSISData = clonedFromAsset.GetBoundTimelineClipSISData();
sisData = new TimelineClipSISData(clip, otherSISData);
asset.BindTimelineClipSISData(sisData);
clip.displayName = clonedFrom.displayName + " (Cloned)";
}
//----------------------------------------------------------------------------------------------------------------------
private static void InitializeAssetFromDefaultAsset(StreamingImageSequencePlayableAsset playableAsset,
UnityEditor.DefaultAsset timelineDefaultAsset)
{
string path = AssetDatabase.GetAssetPath(timelineDefaultAsset).Replace("\\", "/");
const bool ASK_TO_COPY = false;
ImageSequenceImporter.ImportImages(path, playableAsset, ASK_TO_COPY);
}