FReply FSequencer::OnPlay()
{
if( PlaybackState == EMovieScenePlayerStatus::Playing ||
PlaybackState == EMovieScenePlayerStatus::Recording )
{
PlaybackState = EMovieScenePlayerStatus::Stopped;
// Update on stop (cleans up things like sounds that are playing)
RootMovieSceneInstance->Update( ScrubPosition, ScrubPosition, *this );
}
else
{
TRange<float> TimeBounds = GetTimeBounds();
if (!TimeBounds.IsEmpty())
{
float CurrentTime = GetGlobalTime();
if (CurrentTime < TimeBounds.GetLowerBoundValue() || CurrentTime >= TimeBounds.GetUpperBoundValue())
{
SetGlobalTime(TimeBounds.GetLowerBoundValue());
}
PlaybackState = EMovieScenePlayerStatus::Playing;
// Make sure Slate ticks during playback
SequencerWidget->RegisterActiveTimerForPlayback();
}
}
return FReply::Handled();
}
FSequencerSnapField::FSequencerSnapField(const ISequencer& InSequencer, ISequencerSnapCandidate& Candidate, uint32 EntityMask)
{
TSharedPtr<SSequencerTreeView> TreeView = StaticCastSharedRef<SSequencer>(InSequencer.GetSequencerWidget())->GetTreeView();
TArray<TSharedRef<FSequencerDisplayNode>> VisibleNodes;
for (const SSequencerTreeView::FCachedGeometry& Geometry : TreeView->GetAllVisibleNodes())
{
VisibleNodes.Add(Geometry.Node);
}
auto ViewRange = InSequencer.GetViewRange();
FSequencerEntityWalker Walker(ViewRange);
// Traverse the visible space, collecting snapping times as we go
FSnapGridVisitor Visitor(Candidate, EntityMask);
Walker.Traverse(Visitor, VisibleNodes);
// Add the playback range start/end bounds as potential snap candidates
TRange<float> PlaybackRange = InSequencer.GetFocusedMovieSceneSequence()->GetMovieScene()->GetPlaybackRange();
Visitor.Snaps.Add(FSequencerSnapPoint{ FSequencerSnapPoint::PlaybackRange, PlaybackRange.GetLowerBoundValue() });
Visitor.Snaps.Add(FSequencerSnapPoint{ FSequencerSnapPoint::PlaybackRange, PlaybackRange.GetUpperBoundValue() });
// Add the current time as a potential snap candidate
Visitor.Snaps.Add(FSequencerSnapPoint{ FSequencerSnapPoint::CurrentTime, InSequencer.GetGlobalTime() });
// Add the selection range bounds as a potential snap candidate
TRange<float> SelectionRange = InSequencer.GetFocusedMovieSceneSequence()->GetMovieScene()->GetSelectionRange();
Visitor.Snaps.Add(FSequencerSnapPoint{ FSequencerSnapPoint::InOutRange, SelectionRange.GetLowerBoundValue() });
Visitor.Snaps.Add(FSequencerSnapPoint{ FSequencerSnapPoint::InOutRange, SelectionRange.GetUpperBoundValue() });
// Sort
Visitor.Snaps.Sort([](const FSequencerSnapPoint& A, const FSequencerSnapPoint& B){
return A.Time < B.Time;
});
// Remove duplicates
for (int32 Index = 0; Index < Visitor.Snaps.Num(); ++Index)
{
const float CurrentTime = Visitor.Snaps[Index].Time;
int32 NumToMerge = 0;
for (int32 DuplIndex = Index + 1; DuplIndex < Visitor.Snaps.Num(); ++DuplIndex)
{
if (!FMath::IsNearlyEqual(CurrentTime, Visitor.Snaps[DuplIndex].Time))
{
break;
}
++NumToMerge;
}
if (NumToMerge)
{
Visitor.Snaps.RemoveAt(Index + 1, NumToMerge, false);
}
}
SortedSnaps = MoveTemp(Visitor.Snaps);
}
void FSequencerTimeSliderController::SetPlaybackRangeEnd(float NewEnd)
{
TRange<float> PlaybackRange = TimeSliderArgs.PlaybackRange.Get();
if (NewEnd >= PlaybackRange.GetLowerBoundValue())
{
TimeSliderArgs.OnPlaybackRangeChanged.ExecuteIfBound(TRange<float>(PlaybackRange.GetLowerBoundValue(), NewEnd));
}
}
void FSequencer::Tick(float InDeltaTime)
{
if (bNeedTreeRefresh)
{
// @todo - Sequencer Will be called too often
UpdateRuntimeInstances();
SequencerWidget->UpdateLayoutTree();
bNeedTreeRefresh = false;
}
float NewTime = GetGlobalTime() + InDeltaTime;
if (PlaybackState == EMovieScenePlayerStatus::Playing ||
PlaybackState == EMovieScenePlayerStatus::Recording)
{
TRange<float> TimeBounds = GetTimeBounds();
if (!TimeBounds.IsEmpty())
{
if (NewTime > TimeBounds.GetUpperBoundValue())
{
if (bLoopingEnabled)
{
NewTime -= TimeBounds.Size<float>();
}
else
{
NewTime = TimeBounds.GetUpperBoundValue();
PlaybackState = EMovieScenePlayerStatus::Stopped;
}
}
if (NewTime < TimeBounds.GetLowerBoundValue())
{
NewTime = TimeBounds.GetLowerBoundValue();
}
SetGlobalTime(NewTime);
}
else
{
// no bounds at all, stop playing
PlaybackState = EMovieScenePlayerStatus::Stopped;
}
}
// Tick all the tools we own as well
for (int32 EditorIndex = 0; EditorIndex < TrackEditors.Num(); ++EditorIndex)
{
TrackEditors[EditorIndex]->Tick(InDeltaTime);
}
}
void FVisualLoggerTimeSliderController::SetClampRange(float MinValue, float MaxValue)
{
TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get();
float LocalClampMin = TimeSliderArgs.ClampRange.Get().GetLowerBoundValue();
float LocalClampMax = TimeSliderArgs.ClampRange.Get().GetUpperBoundValue();
const float CurrentDistance = LocalClampMax - LocalClampMin;
const float ZoomDelta = (LocalViewRange.GetUpperBoundValue() - LocalViewRange.GetLowerBoundValue()) / CurrentDistance;
MaxValue = MinValue + (MaxValue - MinValue < 2 ? CurrentDistance : MaxValue - MinValue);
TimeSliderArgs.ClampRange = TRange<float>(MinValue, MaxValue);
const float LocalViewRangeMin = FMath::Clamp(LocalViewRange.GetLowerBoundValue(), MinValue, MaxValue);
const float LocalViewRangeMax = FMath::Clamp(LocalViewRange.GetUpperBoundValue(), MinValue, MaxValue);
SetTimeRange(ZoomDelta >= 1 ? MinValue : LocalViewRangeMin, ZoomDelta >= 1 ? MaxValue : LocalViewRangeMax);
}
int32 FSequencerTimeSliderController::OnPaintTimeSlider( bool bMirrorLabels, const FGeometry& AllottedGeometry, const FSlateRect& MyClippingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled ) const
{
const bool bEnabled = bParentEnabled;
const ESlateDrawEffect::Type DrawEffects = bEnabled ? ESlateDrawEffect::None : ESlateDrawEffect::DisabledEffect;
TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get();
const float LocalViewRangeMin = LocalViewRange.GetLowerBoundValue();
const float LocalViewRangeMax = LocalViewRange.GetUpperBoundValue();
const float LocalSequenceLength = LocalViewRangeMax-LocalViewRangeMin;
FVector2D Scale = FVector2D(1.0f,1.0f);
if ( LocalSequenceLength > 0)
{
FScrubRangeToScreen RangeToScreen( LocalViewRange, AllottedGeometry.Size );
const float MajorTickHeight = 9.0f;
FDrawTickArgs Args;
Args.AllottedGeometry = AllottedGeometry;
Args.bMirrorLabels = bMirrorLabels;
Args.bOnlyDrawMajorTicks = false;
Args.TickColor = FLinearColor::White;
Args.ClippingRect = MyClippingRect;
Args.DrawEffects = DrawEffects;
Args.StartLayer = LayerId;
Args.TickOffset = bMirrorLabels ? 0.0f : FMath::Abs( AllottedGeometry.Size.Y - MajorTickHeight );
Args.MajorTickHeight = MajorTickHeight;
DrawTicks( OutDrawElements, RangeToScreen, Args );
const float HandleSize = 13.0f;
float HalfSize = FMath::TruncToFloat(HandleSize/2.0f);
// Draw the scrub handle
const float XPos = RangeToScreen.InputToLocalX( TimeSliderArgs.ScrubPosition.Get() );
// Should draw above the text
const int32 ArrowLayer = LayerId + 2;
FPaintGeometry MyGeometry = AllottedGeometry.ToPaintGeometry( FVector2D( XPos-HalfSize, 0 ), FVector2D( HandleSize, AllottedGeometry.Size.Y ) );
FLinearColor ScrubColor = InWidgetStyle.GetColorAndOpacityTint();
// @todo Sequencer this color should be specified in the style
ScrubColor.A = ScrubColor.A*0.5f;
ScrubColor.B *= 0.1f;
ScrubColor.G *= 0.2f;
FSlateDrawElement::MakeBox(
OutDrawElements,
ArrowLayer,
MyGeometry,
bMirrorLabels ? ScrubHandleUp : ScrubHandleDown,
MyClippingRect,
DrawEffects,
ScrubColor
);
return ArrowLayer;
}
return LayerId;
}
void FSubMovieSceneTrackInstance::Update( float Position, float LastPosition, const TArray<UObject*>& RuntimeObjects, class IMovieScenePlayer& Player )
{
const TArray<UMovieSceneSection*>& AllSections = SubMovieSceneTrack->GetAllSections();
TArray<UMovieSceneSection*> TraversedSections = MovieSceneHelpers::GetTraversedSections( AllSections, Position, LastPosition );
for( int32 SectionIndex = 0; SectionIndex < TraversedSections.Num(); ++SectionIndex )
{
USubMovieSceneSection* Section = CastChecked<USubMovieSceneSection>( TraversedSections[SectionIndex] );
TSharedPtr<FMovieSceneSequenceInstance> Instance = SubMovieSceneInstances.FindRef( Section );
FMovieSceneSequenceInstance* InstancePtr = Instance.Get();
if( InstancePtr )
{
TRange<float> TimeRange = InstancePtr->GetMovieSceneTimeRange();
// Position for the movie scene needs to be in local space
float LocalDelta = TimeRange.GetLowerBoundValue() - Section->GetStartTime();
float LocalPosition = Position + LocalDelta;
InstancePtr->Update(LocalPosition, LastPosition + LocalDelta, Player);
}
}
}
void FVisualLoggerTimeSliderController::HorizontalScrollBar_OnUserScrolled(float ScrollOffset)
{
if (!TimeSliderArgs.ViewRange.IsBound())
{
TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get();
float LocalViewRangeMin = LocalViewRange.GetLowerBoundValue();
float LocalViewRangeMax = LocalViewRange.GetUpperBoundValue();
float LocalClampMin = TimeSliderArgs.ClampRange.Get().GetLowerBoundValue();
float LocalClampMax = TimeSliderArgs.ClampRange.Get().GetUpperBoundValue();
float InThumbSizeFraction = (LocalViewRangeMax - LocalViewRangeMin) / (LocalClampMax - LocalClampMin);
float NewViewOutputMin = LocalClampMin + ScrollOffset * (LocalClampMax - LocalClampMin);
// The output is not bound to a delegate so we'll manage the value ourselves
float NewViewOutputMax = FMath::Min<float>(NewViewOutputMin + (LocalViewRangeMax - LocalViewRangeMin), LocalClampMax);
NewViewOutputMin = NewViewOutputMax - (LocalViewRangeMax - LocalViewRangeMin);
float InOffsetFraction = (NewViewOutputMin - LocalClampMin) / (LocalClampMax - LocalClampMin);
//if (InOffsetFraction + InThumbSizeFraction <= 1)
{
TimeSliderArgs.ViewRange.Set(TRange<float>(NewViewOutputMin, NewViewOutputMax));
Scrollbar->SetState(InOffsetFraction, InThumbSizeFraction);
}
}
}
FReply FSequencer::OnStepToBeginning()
{
PlaybackState = EMovieScenePlayerStatus::Stopped;
TRange<float> TimeBounds = GetTimeBounds();
if (!TimeBounds.IsEmpty())
{
SetGlobalTime(TimeBounds.GetLowerBoundValue());
}
return FReply::Handled();
}
int32 FSequencerTimeSliderController::OnPaintSectionView( const FGeometry& AllottedGeometry, const FSlateRect& MyClippingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, bool bEnabled, bool bDisplayTickLines, bool bDisplayScrubPosition ) const
{
const ESlateDrawEffect::Type DrawEffects = bEnabled ? ESlateDrawEffect::None : ESlateDrawEffect::DisabledEffect;
TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get();
float LocalScrubPosition = TimeSliderArgs.ScrubPosition.Get();
float ViewRange = LocalViewRange.Size<float>();
float PixelsPerInput = ViewRange > 0 ? AllottedGeometry.Size.X / ViewRange : 0;
float LinePos = (LocalScrubPosition - LocalViewRange.GetLowerBoundValue()) * PixelsPerInput;
FScrubRangeToScreen RangeToScreen( LocalViewRange, AllottedGeometry.Size );
if( bDisplayTickLines )
{
// Draw major tick lines in the section area
FDrawTickArgs Args;
Args.AllottedGeometry = AllottedGeometry;
Args.bMirrorLabels = false;
Args.bOnlyDrawMajorTicks = true;
Args.TickColor = FLinearColor( 0.3f, 0.3f, 0.3f, 0.3f );
Args.ClippingRect = MyClippingRect;
Args.DrawEffects = DrawEffects;
// Draw major ticks under sections
Args.StartLayer = LayerId-1;
// Draw the tick the entire height of the section area
Args.TickOffset = 0.0f;
Args.MajorTickHeight = AllottedGeometry.Size.Y;
DrawTicks( OutDrawElements, RangeToScreen, Args );
}
if( bDisplayScrubPosition )
{
// Draw a line for the scrub position
TArray<FVector2D> LinePoints;
LinePoints.AddUninitialized(2);
LinePoints[0] = FVector2D( 1.0f, 0.0f );
LinePoints[1] = FVector2D( 1.0f, FMath::RoundToFloat( AllottedGeometry.Size.Y ) );
FSlateDrawElement::MakeLines(
OutDrawElements,
LayerId+1,
AllottedGeometry.ToPaintGeometry( FVector2D(LinePos, 0.0f ), FVector2D(1.0f,1.0f) ),
LinePoints,
MyClippingRect,
DrawEffects,
FLinearColor::White,
false
);
}
return LayerId;
}
int32 FSequencerTimeSliderController::DrawPlaybackRange(const FGeometry& AllottedGeometry, const FSlateRect& MyClippingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FScrubRangeToScreen& RangeToScreen, const FPaintPlaybackRangeArgs& Args) const
{
if (!TimeSliderArgs.PlaybackRange.IsSet())
{
return LayerId;
}
TRange<float> PlaybackRange = TimeSliderArgs.PlaybackRange.Get();
float PlaybackRangeL = RangeToScreen.InputToLocalX(PlaybackRange.GetLowerBoundValue()) - 1;
float PlaybackRangeR = RangeToScreen.InputToLocalX(PlaybackRange.GetUpperBoundValue()) + 1;
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId+1,
AllottedGeometry.ToPaintGeometry(FVector2D(PlaybackRangeL, 0.f), FVector2D(Args.BrushWidth, AllottedGeometry.Size.Y)),
Args.StartBrush,
MyClippingRect,
ESlateDrawEffect::None,
FColor(32, 128, 32) // 120, 75, 50 (HSV)
);
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId+1,
AllottedGeometry.ToPaintGeometry(FVector2D(PlaybackRangeR - Args.BrushWidth, 0.f), FVector2D(Args.BrushWidth, AllottedGeometry.Size.Y)),
Args.EndBrush,
MyClippingRect,
ESlateDrawEffect::None,
FColor(128, 32, 32) // 0, 75, 50 (HSV)
);
// Black tint for excluded regions
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId+1,
AllottedGeometry.ToPaintGeometry(FVector2D(0.f, 0.f), FVector2D(PlaybackRangeL, AllottedGeometry.Size.Y)),
FEditorStyle::GetBrush("WhiteBrush"),
MyClippingRect,
ESlateDrawEffect::None,
FLinearColor::Black.CopyWithNewOpacity(0.2f)
);
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId+1,
AllottedGeometry.ToPaintGeometry(FVector2D(PlaybackRangeR, 0.f), FVector2D(AllottedGeometry.Size.X - PlaybackRangeR, AllottedGeometry.Size.Y)),
FEditorStyle::GetBrush("WhiteBrush"),
MyClippingRect,
ESlateDrawEffect::None,
FLinearColor::Black.CopyWithNewOpacity(0.2f)
);
return LayerId + 1;
}
void FSequencerTimeSliderController::PanByDelta( float InDelta )
{
TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get().GetAnimationTarget();
float CurrentMin = LocalViewRange.GetLowerBoundValue();
float CurrentMax = LocalViewRange.GetUpperBoundValue();
// Adjust the delta to be a percentage of the current range
InDelta *= ScrubConstants::ScrollPanFraction * (CurrentMax - CurrentMin);
SetViewRange(CurrentMin + InDelta, CurrentMax + InDelta, EViewRangeInterpolation::Animated);
}
TOptional<float> FGroupedKeyCollection::FindFirstKeyInRange(const TRange<float>& InRange, EFindKeyDirection Direction) const
{
// @todo: linear search may be slow where there are lots of keys
bool bWithinRange = false;
if (Direction == EFindKeyDirection::Backwards)
{
for (int32 Index = Groups.Num() - 1; Index >= 0; --Index)
{
if (Groups[Index].RepresentativeTime < InRange.GetUpperBoundValue())
{
// Just entered the range
return Groups[Index].RepresentativeTime;
}
else if (InRange.HasLowerBound() && Groups[Index].RepresentativeTime < InRange.GetLowerBoundValue())
{
// No longer inside the range
return TOptional<float>();
}
}
}
else
{
for (int32 Index = 0; Index < Groups.Num(); ++Index)
{
if (Groups[Index].RepresentativeTime > InRange.GetLowerBoundValue())
{
// Just entered the range
return Groups[Index].RepresentativeTime;
}
else if (InRange.HasUpperBound() && Groups[Index].RepresentativeTime > InRange.GetUpperBoundValue())
{
// No longer inside the range
return TOptional<float>();
}
}
}
return TOptional<float>();
}
bool FSequencerTimeSliderController::HitTestPlaybackStart(const FScrubRangeToScreen& RangeToScreen, const TRange<float>& PlaybackRange, float LocalHitPositionX, float ScrubPosition) const
{
static float BrushSizeInStateUnits = 6.f, DragToleranceSlateUnits = 2.f;
float LocalPlaybackStartPos = RangeToScreen.InputToLocalX(PlaybackRange.GetLowerBoundValue());
// We favor hit testing the scrub bar over hit testing the playback range bounds
if (FMath::IsNearlyEqual(LocalPlaybackStartPos, RangeToScreen.InputToLocalX(ScrubPosition), ScrubHandleSize/2.f))
{
return false;
}
// Hit test against the brush region to the right of the playback start position, +/- DragToleranceSlateUnits
return LocalHitPositionX >= LocalPlaybackStartPos - DragToleranceSlateUnits &&
LocalHitPositionX <= LocalPlaybackStartPos + BrushSizeInStateUnits + DragToleranceSlateUnits;
}
void ULevelSequencePlayer::Initialize(ULevelSequence* InLevelSequence, UWorld* InWorld, const FLevelSequencePlaybackSettings& Settings)
{
LevelSequence = InLevelSequence;
World = InWorld;
PlaybackSettings = Settings;
if (UMovieScene* MovieScene = LevelSequence->GetMovieScene())
{
TRange<float> PlaybackRange = MovieScene->GetPlaybackRange();
SetPlaybackRange(PlaybackRange.GetLowerBoundValue(), PlaybackRange.GetUpperBoundValue());
}
// Ensure everything is set up, ready for playback
Stop();
}
FReply FSequencerTimeSliderController::OnMouseWheel( TSharedRef<SWidget> WidgetOwner, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent )
{
if ( TimeSliderArgs.AllowZoom )
{
const float ZoomDelta = -0.1f * MouseEvent.GetWheelDelta();
{
TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get();
float LocalViewRangeMax = LocalViewRange.GetUpperBoundValue();
float LocalViewRangeMin = LocalViewRange.GetLowerBoundValue();
const float OutputViewSize = LocalViewRangeMax - LocalViewRangeMin;
const float OutputChange = OutputViewSize * ZoomDelta;
float NewViewOutputMin = LocalViewRangeMin - (OutputChange * 0.5f);
float NewViewOutputMax = LocalViewRangeMax + (OutputChange * 0.5f);
if( FMath::Abs( OutputChange ) > 0.01f && NewViewOutputMin < NewViewOutputMax )
{
TOptional<float> LocalClampMin = TimeSliderArgs.ClampMin.Get();
TOptional<float> LocalClampMax = TimeSliderArgs.ClampMax.Get();
// Clamp the range if clamp values are set
if ( LocalClampMin.IsSet() && NewViewOutputMin < LocalClampMin.GetValue() )
{
NewViewOutputMin = LocalClampMin.GetValue();
}
if ( LocalClampMax.IsSet() && NewViewOutputMax > LocalClampMax.GetValue() )
{
NewViewOutputMax = LocalClampMax.GetValue();
}
TimeSliderArgs.OnViewRangeChanged.ExecuteIfBound(TRange<float>(NewViewOutputMin, NewViewOutputMax));
if( !TimeSliderArgs.ViewRange.IsBound() )
{
// The output is not bound to a delegate so we'll manage the value ourselves
TimeSliderArgs.ViewRange.Set( TRange<float>( NewViewOutputMin, NewViewOutputMax ) );
}
}
}
return FReply::Handled();
}
return FReply::Unhandled();
}
void UMovieSceneShotTrack::AddNewShot(FGuid CameraHandle, UMovieScene& ShotMovieScene, const TRange<float>& TimeRange, const FText& ShotName, int32 ShotNumber )
{
Modify();
FName UniqueShotName = MakeUniqueObjectName( this, UMovieSceneShotSection::StaticClass(), *ShotName.ToString() );
UMovieSceneShotSection* NewSection = NewObject<UMovieSceneShotSection>( this, UniqueShotName, RF_Transactional );
NewSection->SetMovieScene( &ShotMovieScene );
NewSection->SetStartTime( TimeRange.GetLowerBoundValue() );
NewSection->SetEndTime( TimeRange.GetUpperBoundValue() );
NewSection->SetCameraGuid( CameraHandle );
NewSection->SetShotNameAndNumber( ShotName , ShotNumber );
SubMovieSceneSections.Add( NewSection );
// When a new shot is added, sort all shots to ensure they are in the correct order
SortShots();
}
bool FSequencerTimeSliderController::ZoomByDelta( float InDelta, float MousePositionFraction )
{
TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get().GetAnimationTarget();
float LocalViewRangeMax = LocalViewRange.GetUpperBoundValue();
float LocalViewRangeMin = LocalViewRange.GetLowerBoundValue();
const float OutputViewSize = LocalViewRangeMax - LocalViewRangeMin;
const float OutputChange = OutputViewSize * InDelta;
float NewViewOutputMin = LocalViewRangeMin - (OutputChange * MousePositionFraction);
float NewViewOutputMax = LocalViewRangeMax + (OutputChange * (1.f - MousePositionFraction));
if( FMath::Abs( OutputChange ) > 0.01f && NewViewOutputMin < NewViewOutputMax )
{
SetViewRange(NewViewOutputMin, NewViewOutputMax, EViewRangeInterpolation::Animated);
return true;
}
return false;
}
TSharedRef<SWidget> FSequencerTimeSliderController::OpenSetPlaybackRangeMenu(float MouseTime)
{
const bool bShouldCloseWindowAfterMenuSelection = true;
FMenuBuilder MenuBuilder(bShouldCloseWindowAfterMenuSelection, nullptr);
FText NumericText;
if (SequencerSnapValues::IsTimeSnapIntervalFrameRate(TimeSliderArgs.Settings->GetTimeSnapInterval()) && TimeSliderArgs.Settings->GetShowFrameNumbers())
{
NumericText = FText::Format(LOCTEXT("FrameTextFormat", "Playback Range (at frame {0}):"), FText::AsNumber(TimeToFrame(MouseTime)));
}
else
{
NumericText = FText::Format(LOCTEXT("TimeTextFormat", "Playback Range (at {0}s):"), FText::AsNumber(MouseTime));
}
TRange<float> PlaybackRange = TimeSliderArgs.PlaybackRange.Get();
MenuBuilder.BeginSection("SequencerPlaybackRangeMenu", NumericText);
{
MenuBuilder.AddMenuEntry(
FText::Format(LOCTEXT("SetPlaybackStart", "Set Start Time"), NumericText),
FText(),
FSlateIcon(),
FUIAction(
FExecuteAction::CreateLambda([=]{ return SetPlaybackRangeStart(MouseTime); }),
FCanExecuteAction::CreateLambda([=]{ return MouseTime <= PlaybackRange.GetUpperBoundValue(); })
)
);
MenuBuilder.AddMenuEntry(
FText::Format(LOCTEXT("SetPlaybackEnd", "Set End Time"), NumericText),
FText(),
FSlateIcon(),
FUIAction(
FExecuteAction::CreateLambda([=]{ return SetPlaybackRangeEnd(MouseTime); }),
FCanExecuteAction::CreateLambda([=]{ return MouseTime >= PlaybackRange.GetLowerBoundValue(); })
)
);
}
MenuBuilder.EndSection(); // SequencerPlaybackRangeMenu
return MenuBuilder.MakeWidget();
}
void SSequencerTrackArea::Tick( const FGeometry& AllottedGeometry, const double InCurrentTime, const float InDeltaTime )
{
CachedGeometry = AllottedGeometry;
auto SequencerPin = SequencerWidget.Pin();
if (SequencerPin.IsValid())
{
SequencerPin->GetEditTool().Tick(AllottedGeometry, InCurrentTime, InDeltaTime);
}
FVector2D Size = AllottedGeometry.GetLocalSize();
if (!bLockInOutToStartEndRange.Get())
{
if (SizeLastFrame.IsSet() && Size.X != SizeLastFrame->X)
{
// Zoom by the difference in horizontal size
const float Difference = Size.X - SizeLastFrame->X;
TRange<float> OldRange = TimeSliderController->GetViewRange().GetAnimationTarget();
TimeSliderController->SetViewRange(
OldRange.GetLowerBoundValue(),
OldRange.GetUpperBoundValue() + (Difference * OldRange.Size<float>() / SizeLastFrame->X),
EViewRangeInterpolation::Immediate
);
}
}
SizeLastFrame = Size;
for (int32 Index = 0; Index < Children.Num(); )
{
if (!StaticCastSharedRef<SWeakWidget>(Children[Index].GetWidget())->ChildWidgetIsValid())
{
Children.RemoveAt(Index);
}
else
{
++Index;
}
}
}
void FVisualLoggerTimeSliderController::CommitScrubPosition( float NewValue, bool bIsScrubbing )
{
// Manage the scrub position ourselves if its not bound to a delegate
if ( !TimeSliderArgs.ScrubPosition.IsBound() )
{
TimeSliderArgs.ScrubPosition.Set( NewValue );
}
TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get();
const float RangeSize = LocalViewRange.Size<float>();
if (NewValue < LocalViewRange.GetLowerBoundValue())
{
SetTimeRange(NewValue, NewValue + RangeSize);
}
else if (NewValue > LocalViewRange.GetUpperBoundValue())
{
SetTimeRange(NewValue - RangeSize, NewValue);
}
TimeSliderArgs.OnScrubPositionChanged.ExecuteIfBound( NewValue, bIsScrubbing );
}
FReply FSequencerTimeSliderController::OnMouseMove( TSharedRef<SWidget> WidgetOwner, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent )
{
if ( WidgetOwner->HasMouseCapture() )
{
if (MouseEvent.IsMouseButtonDown( EKeys::RightMouseButton ))
{
if (!bPanning)
{
DistanceDragged += FMath::Abs( MouseEvent.GetCursorDelta().X );
if ( DistanceDragged > FSlateApplication::Get().GetDragTriggerDistnace() )
{
bPanning = true;
}
}
else
{
TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get();
float LocalViewRangeMin = LocalViewRange.GetLowerBoundValue();
float LocalViewRangeMax = LocalViewRange.GetUpperBoundValue();
FScrubRangeToScreen ScaleInfo( LocalViewRange, MyGeometry.Size );
FVector2D ScreenDelta = MouseEvent.GetCursorDelta();
FVector2D InputDelta;
InputDelta.X = ScreenDelta.X/ScaleInfo.PixelsPerInput;
float NewViewOutputMin = LocalViewRangeMin - InputDelta.X;
float NewViewOutputMax = LocalViewRangeMax - InputDelta.X;
TOptional<float> LocalClampMin = TimeSliderArgs.ClampMin.Get();
TOptional<float> LocalClampMax = TimeSliderArgs.ClampMax.Get();
// Clamp the range if clamp values are set
if ( LocalClampMin.IsSet() && NewViewOutputMin < LocalClampMin.GetValue() )
{
NewViewOutputMin = LocalClampMin.GetValue();
}
if ( LocalClampMax.IsSet() && NewViewOutputMax > LocalClampMax.GetValue() )
{
NewViewOutputMax = LocalClampMax.GetValue();
}
TimeSliderArgs.OnViewRangeChanged.ExecuteIfBound(TRange<float>(NewViewOutputMin, NewViewOutputMax));
if( !TimeSliderArgs.ViewRange.IsBound() )
{
// The output is not bound to a delegate so we'll manage the value ourselves
TimeSliderArgs.ViewRange.Set( TRange<float>( NewViewOutputMin, NewViewOutputMax ) );
}
}
}
else if (MouseEvent.IsMouseButtonDown( EKeys::LeftMouseButton ))
{
if ( !bDraggingScrubber )
{
DistanceDragged += FMath::Abs( MouseEvent.GetCursorDelta().X );
if ( DistanceDragged > FSlateApplication::Get().GetDragTriggerDistnace() )
{
bDraggingScrubber = true;
TimeSliderArgs.OnBeginScrubberMovement.ExecuteIfBound();
}
}
else
{
FScrubRangeToScreen RangeToScreen( TimeSliderArgs.ViewRange.Get(), MyGeometry.Size );
FVector2D CursorPos = MyGeometry.AbsoluteToLocal( MouseEvent.GetLastScreenSpacePosition() );
float NewValue = RangeToScreen.LocalXToInput( CursorPos.X );
const USequencerSnapSettings* SnapSettings = GetDefault<USequencerSnapSettings>();
if ( SnapSettings->GetIsSnapEnabled() && SnapSettings->GetSnapPlayTimeToInterval() )
{
NewValue = SnapSettings->SnapToInterval(NewValue);
}
CommitScrubPosition( NewValue, /*bIsScrubbing=*/true );
}
}
return FReply::Handled();
}
return FReply::Unhandled();
}
void FVisualLoggerCanvasRenderer::DrawHistogramGraphs(class UCanvas* Canvas, class APlayerController*)
{
if (FLogVisualizer::Get().GetTimeSliderController().IsValid() == false)
{
return;
}
const float GoldenRatioConjugate = 0.618033988749895f;
if (CollectedGraphs.Num() > 0)
{
const FVisualLoggerTimeSliderArgs& TimeSliderArgs = FLogVisualizer::Get().GetTimeSliderController()->GetTimeSliderArgs();
TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get();
const float LocalViewRangeMin = LocalViewRange.GetLowerBoundValue();
const float LocalViewRangeMax = LocalViewRange.GetUpperBoundValue();
const float LocalSequenceLength = LocalViewRangeMax - LocalViewRangeMin;
const float WindowHalfWidth = LocalSequenceLength * TimeSliderArgs.CursorSize.Get() * 0.5f;
const FVector2D TimeStampWindow(SelectedEntry.TimeStamp - WindowHalfWidth, SelectedEntry.TimeStamp + WindowHalfWidth);
const FColor GraphsBackgroundColor = ULogVisualizerSettings::StaticClass()->GetDefaultObject<ULogVisualizerSettings>()->GraphsBackgroundColor;
const int NumberOfGraphs = CollectedGraphs.Num();
const int32 NumberOfColumns = FMath::CeilToInt(FMath::Sqrt(NumberOfGraphs));
int32 NumberOfRows = FMath::FloorToInt(NumberOfGraphs / NumberOfColumns);
if (NumberOfGraphs - NumberOfRows * NumberOfColumns > 0)
{
NumberOfRows += 1;
}
const int32 MaxNumberOfGraphs = FMath::Max(NumberOfRows, NumberOfColumns);
const float GraphWidth = 0.8f / NumberOfColumns;
const float GraphHeight = 0.8f / NumberOfRows;
const float XGraphSpacing = 0.2f / (MaxNumberOfGraphs + 1);
const float YGraphSpacing = 0.2f / (MaxNumberOfGraphs + 1);
const float StartX = XGraphSpacing;
float StartY = 0.5 + (0.5 * NumberOfRows - 1) * (GraphHeight + YGraphSpacing);
float CurrentX = StartX;
float CurrentY = StartY;
int32 GraphIndex = 0;
int32 CurrentColumn = 0;
int32 CurrentRow = 0;
bool bDrawExtremesOnGraphs = ULogVisualizerSettings::StaticClass()->GetDefaultObject<ULogVisualizerSettings>()->bDrawExtremesOnGraphs;
for (auto It(CollectedGraphs.CreateIterator()); It; ++It)
{
TWeakObjectPtr<UReporterGraph> HistogramGraph = Canvas->GetReporterGraph();
if (!HistogramGraph.IsValid())
{
break;
}
HistogramGraph->SetNumGraphLines(It->Value.GraphLines.Num());
int32 LineIndex = 0;
UFont* Font = GEngine->GetSmallFont();
int32 MaxStringSize = 0;
float Hue = 0;
auto& CategoriesForGraph = UsedGraphCategories.FindOrAdd(It->Key.ToString());
It->Value.GraphLines.KeySort(TLess<FName>());
for (auto LinesIt(It->Value.GraphLines.CreateConstIterator()); LinesIt; ++LinesIt)
{
const FString DataName = LinesIt->Value.DataName.ToString();
int32 CategoryIndex = CategoriesForGraph.Find(DataName);
if (CategoryIndex == INDEX_NONE)
{
CategoryIndex = CategoriesForGraph.AddUnique(DataName);
}
Hue = CategoryIndex * GoldenRatioConjugate;
if (Hue > 1)
{
Hue -= FMath::FloorToFloat(Hue);
}
HistogramGraph->GetGraphLine(LineIndex)->Color = FLinearColor::FGetHSV(Hue * 255, 0, 244);
HistogramGraph->GetGraphLine(LineIndex)->LineName = DataName;
HistogramGraph->GetGraphLine(LineIndex)->Data.Append(LinesIt->Value.Samples);
HistogramGraph->GetGraphLine(LineIndex)->LeftExtreme = LinesIt->Value.LeftExtreme;
HistogramGraph->GetGraphLine(LineIndex)->RightExtreme = LinesIt->Value.RightExtreme;
int32 DummyY, StringSizeX;
StringSize(Font, StringSizeX, DummyY, *LinesIt->Value.DataName.ToString());
MaxStringSize = StringSizeX > MaxStringSize ? StringSizeX : MaxStringSize;
++LineIndex;
}
FVector2D GraphSpaceSize;
GraphSpaceSize.Y = GraphSpaceSize.X = 0.8f / CollectedGraphs.Num();
HistogramGraph->SetGraphScreenSize(CurrentX, CurrentX + GraphWidth, CurrentY, CurrentY + GraphHeight);
CurrentX += GraphWidth + XGraphSpacing;
HistogramGraph->SetAxesMinMax(FVector2D(TimeStampWindow.X, It->Value.Min.Y), FVector2D(TimeStampWindow.Y, It->Value.Max.Y));
HistogramGraph->DrawCursorOnGraph(true);
HistogramGraph->UseTinyFont(CollectedGraphs.Num() >= 5);
HistogramGraph->SetCursorLocation(SelectedEntry.TimeStamp);
HistogramGraph->SetNumThresholds(0);
HistogramGraph->SetStyles(EGraphAxisStyle::Grid, EGraphDataStyle::Lines);
HistogramGraph->SetBackgroundColor(GraphsBackgroundColor);
HistogramGraph->SetLegendPosition(/*bShowHistogramLabelsOutside*/ false ? ELegendPosition::Outside : ELegendPosition::Inside);
HistogramGraph->OffsetDataSets(/*bOffsetDataSet*/false);
HistogramGraph->DrawExtremesOnGraph(bDrawExtremesOnGraphs);
HistogramGraph->bVisible = true;
HistogramGraph->Draw(Canvas);
++GraphIndex;
if (++CurrentColumn >= NumberOfColumns)
{
CurrentColumn = 0;
CurrentRow++;
CurrentX = StartX;
CurrentY -= GraphHeight + YGraphSpacing;
}
}
}
}
void FVisualLoggerCanvasRenderer::DrawOnCanvas(class UCanvas* Canvas, class APlayerController*)
{
if (GEngine == NULL)
{
return;
}
UWorld* World = FLogVisualizer::Get().GetWorld();
if (World == NULL)
{
return;
}
UFont* Font = GEngine->GetSmallFont();
FCanvasTextItem TextItem(FVector2D::ZeroVector, FText::GetEmpty(), Font, FLinearColor::White);
const FString TimeStampString = FString::Printf(TEXT("%.2f"), SelectedEntry.TimeStamp);
LogVisualizer::DrawTextShadowed(Canvas, Font, TimeStampString, SelectedEntry.Location);
if (bDirtyData && FLogVisualizer::Get().GetTimeSliderController().IsValid())
{
const FVisualLoggerTimeSliderArgs& TimeSliderArgs = FLogVisualizer::Get().GetTimeSliderController()->GetTimeSliderArgs();
TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get();
const float LocalViewRangeMin = LocalViewRange.GetLowerBoundValue();
const float LocalViewRangeMax = LocalViewRange.GetUpperBoundValue();
const float LocalSequenceLength = LocalViewRangeMax - LocalViewRangeMin;
const float WindowHalfWidth = LocalSequenceLength * TimeSliderArgs.CursorSize.Get() * 0.5f;
const FVector2D TimeStampWindow(SelectedEntry.TimeStamp - WindowHalfWidth, SelectedEntry.TimeStamp + WindowHalfWidth);
CollectedGraphs.Reset();
const TArray<FName>& RowNames = FVisualLoggerDatabase::Get().GetSelectedRows();
for (auto RowName : RowNames)
{
if (FVisualLoggerDatabase::Get().IsRowVisible(RowName) == false)
{
continue;
}
const TArray<FVisualLoggerGraph>& AllGraphs = FVisualLoggerGraphsDatabase::Get().GetGraphsByOwnerName(RowName);
for (const FVisualLoggerGraph& CurrentGraph : AllGraphs)
{
const FName GraphName = CurrentGraph.GetGraphName();
const FName OwnerName = CurrentGraph.GetOwnerName();
if (FVisualLoggerGraphsDatabase::Get().IsGraphVisible(OwnerName, GraphName) == false)
{
continue;
}
for (auto DataIt(CurrentGraph.GetConstDataIterator()); DataIt; ++DataIt)
{
const FVisualLoggerGraphData& GraphData = *DataIt;
const bool bIsGraphDataDisabled = FVisualLoggerFilters::Get().IsGraphDataDisabled(GraphName, GraphData.DataName);
if (bIsGraphDataDisabled)
{
continue;
}
const FName FullGraphName = *FString::Printf(TEXT("%s$%s"), *RowName.ToString(), *GraphName.ToString());
FGraphData &CollectedGraphData = CollectedGraphs.FindOrAdd(FullGraphName);
FGraphLineData &LineData = CollectedGraphData.GraphLines.FindOrAdd(GraphData.DataName);
LineData.DataName = GraphData.DataName;
LineData.Samples = GraphData.Samples;
LineData.LeftExtreme = FVector2D::ZeroVector;
LineData.RightExtreme = FVector2D::ZeroVector;
int32 LeftSideOutsideIndex = INDEX_NONE;
int32 RightSideOutsideIndex = INDEX_NONE;
for (int32 SampleIndex = 0; SampleIndex < GraphData.Samples.Num(); SampleIndex++)
{
const FVector2D& SampleValue = GraphData.Samples[SampleIndex];
CollectedGraphData.Min.X = FMath::Min(CollectedGraphData.Min.X, SampleValue.X);
CollectedGraphData.Min.Y = FMath::Min(CollectedGraphData.Min.Y, SampleValue.Y);
CollectedGraphData.Max.X = FMath::Max(CollectedGraphData.Max.X, SampleValue.X);
CollectedGraphData.Max.Y = FMath::Max(CollectedGraphData.Max.Y, SampleValue.Y);
const float CurrentTimeStamp = GraphData.TimeStamps[SampleIndex];
if (CurrentTimeStamp < TimeStampWindow.X)
{
LineData.LeftExtreme = SampleValue;
}
else if (CurrentTimeStamp > TimeStampWindow.Y)
{
LineData.RightExtreme = SampleValue;
break;
}
}
}
}
}
bDirtyData = false;
}
if (ULogVisualizerSessionSettings::StaticClass()->GetDefaultObject<ULogVisualizerSessionSettings>()->bEnableGraphsVisualization)
{
DrawHistogramGraphs(Canvas, NULL);
}
const TMap<FName, FVisualLogExtensionInterface*>& Extensions = FVisualLogger::Get().GetAllExtensions();
for (const auto& CurrentExtension : Extensions)
{
CurrentExtension.Value->DrawData(FVisualLoggerEditorInterface::Get(), Canvas);
}
}
FReply FSequencerTimeSliderController::OnMouseMove( SWidget& WidgetOwner, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent )
{
if ( WidgetOwner.HasMouseCapture() )
{
if (MouseEvent.IsMouseButtonDown( EKeys::RightMouseButton ))
{
if (!bPanning)
{
DistanceDragged += FMath::Abs( MouseEvent.GetCursorDelta().X );
if ( DistanceDragged > FSlateApplication::Get().GetDragTriggerDistance() )
{
bPanning = true;
}
}
else
{
TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get();
float LocalViewRangeMin = LocalViewRange.GetLowerBoundValue();
float LocalViewRangeMax = LocalViewRange.GetUpperBoundValue();
FScrubRangeToScreen ScaleInfo( LocalViewRange, MyGeometry.Size );
FVector2D ScreenDelta = MouseEvent.GetCursorDelta();
FVector2D InputDelta;
InputDelta.X = ScreenDelta.X/ScaleInfo.PixelsPerInput;
float NewViewOutputMin = LocalViewRangeMin - InputDelta.X;
float NewViewOutputMax = LocalViewRangeMax - InputDelta.X;
ClampViewRange(NewViewOutputMin, NewViewOutputMax);
SetViewRange(NewViewOutputMin, NewViewOutputMax, EViewRangeInterpolation::Immediate);
}
}
else if (MouseEvent.IsMouseButtonDown( EKeys::LeftMouseButton ))
{
TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get();
DistanceDragged += FMath::Abs( MouseEvent.GetCursorDelta().X );
if ( MouseDragType == DRAG_NONE )
{
if ( DistanceDragged > FSlateApplication::Get().GetDragTriggerDistance() )
{
FScrubRangeToScreen RangeToScreen(LocalViewRange, MyGeometry.Size);
const float ScrubPosition = TimeSliderArgs.ScrubPosition.Get();
TRange<float> PlaybackRange = TimeSliderArgs.PlaybackRange.Get();
float LocalMouseDownPos = RangeToScreen.InputToLocalX(MouseDownRange[0]);
// Favor dragging the end position
if (HitTestPlaybackEnd(RangeToScreen, PlaybackRange, LocalMouseDownPos, ScrubPosition))
{
MouseDragType = DRAG_END_RANGE;
TimeSliderArgs.OnBeginPlaybackRangeDrag.ExecuteIfBound();
}
else if (HitTestPlaybackStart(RangeToScreen, PlaybackRange, LocalMouseDownPos, ScrubPosition))
{
MouseDragType = DRAG_START_RANGE;
TimeSliderArgs.OnBeginPlaybackRangeDrag.ExecuteIfBound();
}
else if (FSlateApplication::Get().GetModifierKeys().AreModifersDown(EModifierKey::Control))
{
MouseDragType = DRAG_SETTING_RANGE;
}
else
{
MouseDragType = DRAG_SCRUBBING_TIME;
TimeSliderArgs.OnBeginScrubberMovement.ExecuteIfBound();
}
}
}
else
{
FScrubRangeToScreen RangeToScreen( TimeSliderArgs.ViewRange.Get(), MyGeometry.Size );
FVector2D CursorPos = MyGeometry.AbsoluteToLocal( MouseEvent.GetLastScreenSpacePosition() );
float NewValue = RangeToScreen.LocalXToInput( CursorPos.X );
// Set the start range time?
if (MouseDragType == DRAG_START_RANGE)
{
if (TimeSliderArgs.Settings->GetIsSnapEnabled())
{
NewValue = TimeSliderArgs.Settings->SnapTimeToInterval(NewValue);
}
SetPlaybackRangeStart(NewValue);
}
// Set the end range time?
else if(MouseDragType == DRAG_END_RANGE)
{
if (TimeSliderArgs.Settings->GetIsSnapEnabled())
{
NewValue = TimeSliderArgs.Settings->SnapTimeToInterval(NewValue);
}
SetPlaybackRangeEnd(NewValue);
}
else if (MouseDragType == DRAG_SCRUBBING_TIME)
{
if ( TimeSliderArgs.Settings->GetIsSnapEnabled() && TimeSliderArgs.Settings->GetSnapPlayTimeToInterval() )
{
NewValue = TimeSliderArgs.Settings->SnapTimeToInterval(NewValue);
}
// Delegate responsibility for clamping to the current viewrange to the client
CommitScrubPosition( NewValue, /*bIsScrubbing=*/true );
}
else if (MouseDragType == DRAG_SETTING_RANGE)
{
MouseDownRange[1] = NewValue;
}
}
}
return FReply::Handled();
}
return FReply::Unhandled();
}
/** Curve Input domain -> local Widget Space */
float InputToLocalX(float Input) const
{
return (Input - ViewInput.GetLowerBoundValue()) * PixelsPerInput;
}
FReply FVisualLoggerTimeSliderController::OnMouseMove( TSharedRef<SWidget> WidgetOwner, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent )
{
if ( WidgetOwner->HasMouseCapture() )
{
if (MouseEvent.IsMouseButtonDown(EKeys::RightMouseButton))
{
if (!bPanning)
{
DistanceDragged += FMath::Abs( MouseEvent.GetCursorDelta().X );
if ( DistanceDragged > FSlateApplication::Get().GetDragTriggerDistance() )
{
FReply::Handled().CaptureMouse(WidgetOwner).UseHighPrecisionMouseMovement(WidgetOwner);
SoftwareCursorPosition = MyGeometry.AbsoluteToLocal(MouseEvent.GetLastScreenSpacePosition());
bPanning = true;
}
}
else
{
SoftwareCursorPosition = MyGeometry.AbsoluteToLocal(MouseEvent.GetLastScreenSpacePosition());
TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get();
float LocalViewRangeMin = LocalViewRange.GetLowerBoundValue();
float LocalViewRangeMax = LocalViewRange.GetUpperBoundValue();
FScrubRangeToScreen ScaleInfo( LocalViewRange, MyGeometry.Size );
FVector2D ScreenDelta = MouseEvent.GetCursorDelta();
FVector2D InputDelta;
InputDelta.X = ScreenDelta.X/ScaleInfo.PixelsPerInput;
float NewViewOutputMin = LocalViewRangeMin - InputDelta.X;
float NewViewOutputMax = LocalViewRangeMax - InputDelta.X;
float LocalClampMin = TimeSliderArgs.ClampRange.Get().GetLowerBoundValue();
float LocalClampMax = TimeSliderArgs.ClampRange.Get().GetUpperBoundValue();
// Clamp the range
if ( NewViewOutputMin < LocalClampMin )
{
NewViewOutputMin = LocalClampMin;
}
if ( NewViewOutputMax > LocalClampMax )
{
NewViewOutputMax = LocalClampMax;
}
TimeSliderArgs.OnViewRangeChanged.ExecuteIfBound(TRange<float>(NewViewOutputMin, NewViewOutputMax), EViewRangeInterpolation::Immediate, false);
if (Scrollbar.IsValid())
{
float InOffsetFraction = (NewViewOutputMin - LocalClampMin) / (LocalClampMax - LocalClampMin);
float InThumbSizeFraction = (NewViewOutputMax - NewViewOutputMin) / (LocalClampMax - LocalClampMin);
Scrollbar->SetState(InOffsetFraction, InThumbSizeFraction);
}
if( !TimeSliderArgs.ViewRange.IsBound() )
{
// The output is not bound to a delegate so we'll manage the value ourselves
TimeSliderArgs.ViewRange.Set( TRange<float>( NewViewOutputMin, NewViewOutputMax ) );
}
}
}
else if (MouseEvent.IsMouseButtonDown( EKeys::LeftMouseButton ))
{
if ( !bDraggingScrubber )
{
DistanceDragged += FMath::Abs( MouseEvent.GetCursorDelta().X );
if ( DistanceDragged > 0/*FSlateApplication::Get().GetDragTriggerDistance()*/ )
{
bDraggingScrubber = true;
TimeSliderArgs.OnBeginScrubberMovement.ExecuteIfBound();
}
}
else
{
FScrubRangeToScreen RangeToScreen( TimeSliderArgs.ViewRange.Get(), MyGeometry.Size );
FVector2D CursorPos = MyGeometry.AbsoluteToLocal( MouseEvent.GetLastScreenSpacePosition() );
float NewValue = RangeToScreen.LocalXToInput( CursorPos.X );
float LocalClampMin = TimeSliderArgs.ClampRange.Get().GetLowerBoundValue();
float LocalClampMax = TimeSliderArgs.ClampRange.Get().GetUpperBoundValue();
if (NewValue < LocalClampMin)
{
NewValue = LocalClampMin;
}
if (NewValue > LocalClampMax)
{
NewValue = LocalClampMax;
}
CommitScrubPosition(NewValue, /*bIsScrubbing=*/true);
}
}
return FReply::Handled();
}
return FReply::Unhandled();
}
/** Local Widget Space -> Curve Input domain. */
float LocalXToInput(float ScreenX) const
{
float LocalX = ScreenX;
return (LocalX/PixelsPerInput) + ViewInput.GetLowerBoundValue();
}
int32 FSequencerTimeSliderController::OnPaintTimeSlider( bool bMirrorLabels, const FGeometry& AllottedGeometry, const FSlateRect& MyClippingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled ) const
{
const bool bEnabled = bParentEnabled;
const ESlateDrawEffect::Type DrawEffects = bEnabled ? ESlateDrawEffect::None : ESlateDrawEffect::DisabledEffect;
TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get();
const float LocalViewRangeMin = LocalViewRange.GetLowerBoundValue();
const float LocalViewRangeMax = LocalViewRange.GetUpperBoundValue();
const float LocalSequenceLength = LocalViewRangeMax-LocalViewRangeMin;
FVector2D Scale = FVector2D(1.0f,1.0f);
if ( LocalSequenceLength > 0)
{
FScrubRangeToScreen RangeToScreen( LocalViewRange, AllottedGeometry.Size );
const float MajorTickHeight = 9.0f;
FDrawTickArgs Args;
Args.AllottedGeometry = AllottedGeometry;
Args.bMirrorLabels = bMirrorLabels;
Args.bOnlyDrawMajorTicks = false;
Args.TickColor = FLinearColor::White;
Args.ClippingRect = MyClippingRect;
Args.DrawEffects = DrawEffects;
Args.StartLayer = LayerId;
Args.TickOffset = bMirrorLabels ? 0.0f : FMath::Abs( AllottedGeometry.Size.Y - MajorTickHeight );
Args.MajorTickHeight = MajorTickHeight;
DrawTicks( OutDrawElements, RangeToScreen, Args );
FPaintPlaybackRangeArgs PlaybackRangeArgs(
bMirrorLabels ? FEditorStyle::GetBrush("Sequencer.Timeline.PlayRange_Bottom_L") : FEditorStyle::GetBrush("Sequencer.Timeline.PlayRange_Top_L"),
bMirrorLabels ? FEditorStyle::GetBrush("Sequencer.Timeline.PlayRange_Bottom_R") : FEditorStyle::GetBrush("Sequencer.Timeline.PlayRange_Top_R"),
6.f
);
LayerId = DrawPlaybackRange(AllottedGeometry, MyClippingRect, OutDrawElements, LayerId, RangeToScreen, PlaybackRangeArgs);
float HalfSize = FMath::CeilToFloat(ScrubHandleSize/2.0f);
// Draw the scrub handle
float XPos = RangeToScreen.InputToLocalX( TimeSliderArgs.ScrubPosition.Get() );
// Should draw above the text
const int32 ArrowLayer = LayerId + 2;
FPaintGeometry MyGeometry = AllottedGeometry.ToPaintGeometry( FVector2D( XPos-HalfSize, 0 ), FVector2D( ScrubHandleSize, AllottedGeometry.Size.Y ) );
FLinearColor ScrubColor = InWidgetStyle.GetColorAndOpacityTint();
// @todo Sequencer this color should be specified in the style
ScrubColor.A = ScrubColor.A*0.75f;
ScrubColor.B *= 0.1f;
ScrubColor.G *= 0.2f;
FSlateDrawElement::MakeBox(
OutDrawElements,
ArrowLayer,
MyGeometry,
bMirrorLabels ? ScrubHandleUp : ScrubHandleDown,
MyClippingRect,
DrawEffects,
ScrubColor
);
// Draw the current time next to the scrub handle
float Time = TimeSliderArgs.ScrubPosition.Get();
FString FrameString;
if (SequencerSnapValues::IsTimeSnapIntervalFrameRate(TimeSliderArgs.Settings->GetTimeSnapInterval()) && TimeSliderArgs.Settings->GetShowFrameNumbers())
{
float FrameRate = 1.0f/TimeSliderArgs.Settings->GetTimeSnapInterval();
float FrameTime = Time * FrameRate;
int32 Frame = SequencerHelpers::TimeToFrame(Time, FrameRate);
const float FrameTolerance = 0.001f;
if (FMath::IsNearlyEqual(FrameTime, (float)Frame, FrameTolerance))
{
FrameString = FString::Printf( TEXT("%d"), TimeToFrame(Time));
}
else
{
FrameString = FString::Printf( TEXT("%.3f"), FrameTime);
}
}
else
{
FrameString = FString::Printf( TEXT("%.2f"), Time );
}
FSlateFontInfo SmallLayoutFont( FPaths::EngineContentDir() / TEXT("Slate/Fonts/Roboto-Regular.ttf"), 10 );
const TSharedRef< FSlateFontMeasure > FontMeasureService = FSlateApplication::Get().GetRenderer()->GetFontMeasureService();
FVector2D TextSize = FontMeasureService->Measure(FrameString, SmallLayoutFont);
// Flip the text position if getting near the end of the view range
if ((AllottedGeometry.Size.X - XPos) < (TextSize.X + 14.f))
{
XPos = XPos - TextSize.X - 12.f;
}
else
{
XPos = XPos + 10.f;
}
FVector2D TextOffset( XPos, Args.bMirrorLabels ? TextSize.Y-6.f : Args.AllottedGeometry.Size.Y - (Args.MajorTickHeight+TextSize.Y) );
FSlateDrawElement::MakeText(
OutDrawElements,
Args.StartLayer+1,
Args.AllottedGeometry.ToPaintGeometry( TextOffset, TextSize ),
FrameString,
SmallLayoutFont,
Args.ClippingRect,
Args.DrawEffects,
Args.TickColor
);
if (MouseDragType == DRAG_SETTING_RANGE)
{
float MouseStartPosX = RangeToScreen.InputToLocalX(MouseDownRange[0]);
float MouseEndPosX = RangeToScreen.InputToLocalX(MouseDownRange[1]);
float RangePosX = MouseStartPosX < MouseEndPosX ? MouseStartPosX : MouseEndPosX;
float RangeSizeX = FMath::Abs(MouseStartPosX - MouseEndPosX);
FSlateDrawElement::MakeBox(
OutDrawElements,
LayerId+1,
AllottedGeometry.ToPaintGeometry( FVector2D(RangePosX, 0.f), FVector2D(RangeSizeX, AllottedGeometry.Size.Y) ),
bMirrorLabels ? ScrubHandleDown : ScrubHandleUp,
MyClippingRect,
DrawEffects,
MouseStartPosX < MouseEndPosX ? FLinearColor(0.5f, 0.5f, 0.5f) : FLinearColor(0.25f, 0.3f, 0.3f)
);
}
return ArrowLayer;
}
return LayerId;
}
FReply FVisualLoggerTimeSliderController::OnMouseWheel( TSharedRef<SWidget> WidgetOwner, const FGeometry& MyGeometry, const FPointerEvent& MouseEvent )
{
FReply ReturnValue = FReply::Unhandled();;
if (MouseEvent.IsLeftShiftDown())
{
const float ZoomDelta = 0.025f * MouseEvent.GetWheelDelta();
TimeSliderArgs.CursorSize.Set(FMath::Clamp(TimeSliderArgs.CursorSize.Get() + ZoomDelta, 0.0f, 1.0f));
ReturnValue = FReply::Handled();
}
else if ( TimeSliderArgs.AllowZoom )
{
const float ZoomDelta = -0.1f * MouseEvent.GetWheelDelta();
{
TRange<float> LocalViewRange = TimeSliderArgs.ViewRange.Get();
float LocalViewRangeMax = LocalViewRange.GetUpperBoundValue();
float LocalViewRangeMin = LocalViewRange.GetLowerBoundValue();
const float OutputViewSize = LocalViewRangeMax - LocalViewRangeMin;
const float OutputChange = OutputViewSize * ZoomDelta;
float NewViewOutputMin = LocalViewRangeMin - (OutputChange * 0.5f);
float NewViewOutputMax = LocalViewRangeMax + (OutputChange * 0.5f);
if( FMath::Abs( OutputChange ) > 0.01f && NewViewOutputMin < NewViewOutputMax )
{
float LocalClampMin = TimeSliderArgs.ClampRange.Get().GetLowerBoundValue();
float LocalClampMax = TimeSliderArgs.ClampRange.Get().GetUpperBoundValue();
// Clamp the range if clamp values are set
if ( NewViewOutputMin < LocalClampMin )
{
NewViewOutputMin = LocalClampMin;
}
if ( NewViewOutputMax > LocalClampMax )
{
NewViewOutputMax = LocalClampMax;
}
TimeSliderArgs.OnViewRangeChanged.ExecuteIfBound(TRange<float>(NewViewOutputMin, NewViewOutputMax), EViewRangeInterpolation::Immediate, false);
if (Scrollbar.IsValid())
{
float InOffsetFraction = (NewViewOutputMin - LocalClampMin) / (LocalClampMax - LocalClampMin);
float InThumbSizeFraction = (NewViewOutputMax - NewViewOutputMin) / (LocalClampMax - LocalClampMin);
Scrollbar->SetState(InOffsetFraction, InThumbSizeFraction);
}
if( !TimeSliderArgs.ViewRange.IsBound() )
{
// The output is not bound to a delegate so we'll manage the value ourselves
TimeSliderArgs.ViewRange.Set( TRange<float>( NewViewOutputMin, NewViewOutputMax ) );
}
}
}
ReturnValue = FReply::Handled();
}
return ReturnValue;
}