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#AnimEditing: support inserting frame

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- This only supports a frame insertion, not resizing length
- Main difficulty is to link with curves that have been modified. We'll need to properly shift whole thing if we want to.

[CL 2480582 by Lina Halper in Main branch]
This commit is contained in:
Lina Halper
2015-03-16 15:45:34 -04:00
parent 7be67f883f
commit 86925abe76
12 changed files with 240 additions and 3 deletions
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31
Engine/Source/Editor/Persona/Private/SAnimationScrubPanel.cpp
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@@ -52,6 +52,7 @@ void SAnimationScrubPanel::Construct( const SAnimationScrubPanel::FArguments& In
.ViewInputMax(InArgs._ViewInputMax)
.OnSetInputViewRange(InArgs._OnSetInputViewRange)
.OnCropAnimSequence( this, &SAnimationScrubPanel::OnCropAnimSequence )
.OnAddAnimSequence( this, &SAnimationScrubPanel::OnInsertAnimSequence )
.OnReZeroAnimSequence( this, &SAnimationScrubPanel::OnReZeroAnimSequence )
.bAllowZoom(InArgs._bAllowZoom)
.IsRealtimeStreamingMode(this, &SAnimationScrubPanel::IsRealtimeStreamingMode)
@@ -483,6 +484,36 @@ void SAnimationScrubPanel::OnCropAnimSequence( bool bFromStart, float CurrentTim
}
}
void SAnimationScrubPanel::OnInsertAnimSequence( bool bBefore, int32 CurrentFrame )
{
UAnimSingleNodeInstance* PreviewInstance = GetPreviewInstance();
if(PreviewInstance)
{
float Length = PreviewInstance->GetLength();
if(PreviewInstance->CurrentAsset)
{
UAnimSequence* AnimSequence = Cast<UAnimSequence>(PreviewInstance->CurrentAsset);
if(AnimSequence)
{
const FScopedTransaction Transaction(LOCTEXT("InsertAnimSequence", "Insert Animation Sequence"));
//Call modify to restore slider position
PreviewInstance->Modify();
//Call modify to restore anim sequence current state
AnimSequence->Modify();
// Crop the raw anim data.
int32 StartFrame = (bBefore)? CurrentFrame : CurrentFrame + 1;
int32 EndFrame = StartFrame + 1;
AnimSequence->InsertFramesToRawAnimData(StartFrame, EndFrame, CurrentFrame);
// Recompress animation from Raw.
FAnimationUtils::CompressAnimSequence(AnimSequence, false, false);
}
}
}
}
void SAnimationScrubPanel::OnReZeroAnimSequence( )
{
UAnimSingleNodeInstance* PreviewInstance = GetPreviewInstance();