void SAnimationSegmentViewport::InitSkeleton()
{
UObject *Object = NULL;
AnimRefPropertyHandle->GetValue(Object);
UAnimSequenceBase *AnimSequence = Cast<UAnimSequenceBase>(Object);
USkeleton *Skeleton = NULL;
if(AnimSequence != NULL)
{
Skeleton = AnimSequence->GetSkeleton();
}
if( PreviewComponent != NULL && Skeleton != NULL )
{
USkeletalMesh* PreviewMesh = Skeleton->GetAssetPreviewMesh(AnimSequence);
if (PreviewMesh)
{
UAnimSingleNodeInstance * Preview = PreviewComponent->PreviewInstance;
if((Preview == NULL || Preview->GetCurrentAsset() != AnimSequence) ||
(PreviewComponent->SkeletalMesh != PreviewMesh))
{
PreviewComponent->SetSkeletalMesh(PreviewMesh);
PreviewComponent->EnablePreview(true, AnimSequence, NULL);
PreviewComponent->PreviewInstance->SetLooping(true);
//Place the camera at a good viewer position
FVector NewPosition = LevelViewportClient->GetViewLocation();
NewPosition.Normalize();
LevelViewportClient->SetViewLocation(NewPosition * (PreviewMesh->GetImportedBounds().SphereRadius*1.5f));
}
}
}
TargetSkeleton = Skeleton;
}
uint32 SAnimationSegmentScrubPanel::GetNumOfFrames() const
{
if (DoesSyncViewport())
{
UAnimSingleNodeInstance* PreviewInst = GetPreviewInstance();
float Length = PreviewInst->GetLength();
// if anim sequence, use correct num frames
int32 NumFrames = (int32) (Length/0.0333f);
if (PreviewInst->GetCurrentAsset() && PreviewInst->GetCurrentAsset()->IsA(UAnimSequenceBase::StaticClass()))
{
NumFrames = CastChecked<UAnimSequenceBase>(PreviewInst->GetCurrentAsset())->GetNumberOfFrames();
}
return NumFrames;
}
else if (LockedSequence)
{
return LockedSequence->GetNumberOfFrames();
}
return 1;
}
bool SAnimationSegmentScrubPanel::DoesSyncViewport() const
{
UAnimSingleNodeInstance* PreviewInst = GetPreviewInstance();
return (( LockedSequence==NULL && PreviewInst ) || ( LockedSequence && PreviewInst && PreviewInst->GetCurrentAsset() == LockedSequence ));
}