void FMovieSceneColorTrackInstance::Update(EMovieSceneUpdateData& UpdateData, const TArray<TWeakObjectPtr<UObject>>& RuntimeObjects, class IMovieScenePlayer& Player, FMovieSceneSequenceInstance& SequenceInstance)
{
for (auto ObjectPtr : RuntimeObjects)
{
UObject* Object = ObjectPtr.Get();
if ( Object != nullptr )
{
if ( ColorType == EColorType::Slate )
{
FSlateColor ColorValue = PropertyBindings->GetCurrentValue<FSlateColor>( Object );
FLinearColor LinearColor = ColorValue.GetSpecifiedColor();
if ( ColorTrack->Eval( UpdateData.Position, UpdateData.LastPosition, LinearColor ) )
{
FSlateColor NewColor( LinearColor );
PropertyBindings->CallFunction<FSlateColor>( Object, &NewColor );
}
}
else if ( ColorType == EColorType::Color )
{
// We assume the color we get back is in sRGB, assigning it to a linear color will implicitly
// convert it to a linear color instead of using ReinterpretAsLinear which will just change the
// bytes into floats using divide by 255.
FColor SrgbColor = PropertyBindings->GetCurrentValue<FColor>( Object );
FLinearColor LinearColorValue = SrgbColor;
bool bConvertBackToSRgb = true;
if ( ColorTrack->Eval( UpdateData.Position, UpdateData.LastPosition, LinearColorValue ) )
{
// Light components have to be handled specially here because their set function takes two values, the linear color
// and whether or not the linear color needs to be converted back to sRGB. All other other set function cases should
// follow the sequencer convention of having a single parameter of the correct type, which in this case is an FColor
// already in sRGB format.
ULightComponent* LightComponent = Cast<ULightComponent>( Object );
if ( LightComponent != nullptr )
{
LightComponent->SetLightColor( LinearColorValue, bConvertBackToSRgb );
}
else
{
FColor SRgbColorValue = LinearColorValue.ToFColor( bConvertBackToSRgb );
PropertyBindings->CallFunction<FColor>( Object, &SRgbColorValue );
}
}
}
else
{
FLinearColor ColorValue = PropertyBindings->GetCurrentValue<FLinearColor>( Object );
if ( ColorTrack->Eval( UpdateData.Position, UpdateData.LastPosition, ColorValue ) )
{
PropertyBindings->CallFunction<FLinearColor>( Object, &ColorValue );
}
}
}
}
}
void AFloatingText::SetOpacity( const float NewOpacity )
{
const FLinearColor NewColor = FLinearColor( 0.6f, 0.6f, 0.6f ).CopyWithNewOpacity( NewOpacity ); // @todo vreditor: Tweak brightness
const FColor NewFColor = NewColor.ToFColor( false );
check( TextComponent != nullptr );
// if( NewOpacity >= 1.0f - KINDA_SMALL_NUMBER ) // @todo vreditor ui: get fading/translucency working again!
// {
if( TextComponent->GetMaterial( 0 ) != MaskedTextMaterial )
{
TextComponent->SetTextMaterial( MaskedTextMaterial );
}
// }
// else
// {
// if( TextComponent->GetMaterial( 0 ) != TranslucentTextMaterial )
// {
// TextComponent->SetTextMaterial( TranslucentTextMaterial );
// }
// }
if( NewFColor != TextComponent->TextRenderColor )
{
TextComponent->SetTextRenderColor( NewFColor );
}
check( LineMaterialMID != nullptr );
static FName ColorAndOpacityParameterName( "ColorAndOpacity" );
LineMaterialMID->SetVectorParameterValue( ColorAndOpacityParameterName, NewColor );
}
bool UGAAbilityBase::LineTraceSingleByChannelFromCamera(float Range, ETraceTypeQuery TraceChannel, bool bTraceComplex, FHitResult& OutHit,
EDrawDebugTrace::Type DrawDebugType, bool bIgnoreSelf, FLinearColor TraceColor, FLinearColor TraceHitColor, float DrawTime)
{
FVector Start = FVector::ZeroVector;
if (OwnerCamera)
{
Start = OwnerCamera->GetComponentLocation();
}
else
{
FRotator UnusedRot;
POwner->GetActorEyesViewPoint(Start, UnusedRot);
}
FVector End = (POwner->GetBaseAimRotation().Vector() * Range) + Start;
ECollisionChannel CollisionChannel = UEngineTypes::ConvertToCollisionChannel(TraceChannel);
static const FName LineTraceSingleName(TEXT("AbilityLineTraceSingle"));
FCollisionQueryParams Params(LineTraceSingleName, bTraceComplex);
bool bHit = World->LineTraceSingleByChannel(OutHit, Start, End, CollisionChannel, Params);
#if ENABLE_DRAW_DEBUG
if (DrawDebugType != EDrawDebugTrace::None)
{
bool bPersistent = DrawDebugType == EDrawDebugTrace::Persistent;
float LifeTime = (DrawDebugType == EDrawDebugTrace::ForDuration) ? DrawTime : 0.f;
// @fixme, draw line with thickness = 2.f?
if (bHit && OutHit.bBlockingHit)
{
// Red up to the blocking hit, green thereafter
::DrawDebugLine(World, Start, OutHit.ImpactPoint, TraceColor.ToFColor(true), bPersistent, LifeTime);
::DrawDebugLine(World, OutHit.ImpactPoint, End, TraceHitColor.ToFColor(true), bPersistent, LifeTime);
::DrawDebugPoint(World, OutHit.ImpactPoint, 16, TraceColor.ToFColor(true), bPersistent, LifeTime);
}
else
{
// no hit means all red
::DrawDebugLine(World, Start, End, TraceColor.ToFColor(true), bPersistent, LifeTime);
}
}
#endif
return bHit;
}
void FColorStructCustomization::OnSetColorFromColorPicker( FLinearColor NewColor )
{
FString ColorString;
if( bIsLinearColor )
{
ColorString = NewColor.ToString();
}
else
{
// Handled by the color picker
const bool bSRGB = false;
FColor NewFColor = NewColor.ToFColor(bSRGB);
ColorString = NewFColor.ToString();
}
StructPropertyHandle->SetValueFromFormattedString( ColorString, bIsInteractive ? EPropertyValueSetFlags::InteractiveChange : 0 );
}
bool UPaperGroupedSpriteComponent::UpdateInstanceColor(int32 InstanceIndex, FLinearColor NewInstanceColor, bool bMarkRenderStateDirty)
{
if (PerInstanceSpriteData.IsValidIndex(InstanceIndex))
{
FSpriteInstanceData& InstanceData = PerInstanceSpriteData[InstanceIndex];
InstanceData.VertexColor = NewInstanceColor.ToFColor(/*bSRGB=*/ false);
if (bMarkRenderStateDirty)
{
MarkRenderStateDirty();
}
return true;
}
else
{
return false;
}
}
void UBasicVolumeComponent::DrawDebugOctree(const FLinearColor& Color, float Duration, float Thickness)
{
if (m_octree.IsValid())
{
m_octree->Traverse([=](FSparseOctreeNode* node) -> ETraverseOptions
{
if (node->m_hasChildren)
{
return ETraverseOptions::Continue;
}
UVoreealBlueprintLibrary::DrawDebugRegion(this, this->GetComponentTransform(),
node->m_bounds, Color.ToFColor(true), Duration, Thickness);
return ETraverseOptions::Skip;
});
}
}
void SColorGradientEditor::DrawGradientStopMark( const FGradientStopMark& Mark, const FGeometry& Geometry, float XPos, const FLinearColor& Color, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FSlateRect& InClippingRect, ESlateDrawEffect::Type DrawEffects, bool bColor, const FWidgetStyle& InWidgetStyle ) const
{
static const FSlateBrush* WhiteBrush = FEditorStyle::GetBrush("WhiteBrush");
static const FSlateBrush* ColorStopBrush = FEditorStyle::GetBrush("Sequencer.Timeline.ScrubHandleDown");
static const FSlateBrush* AlphaStopBrush = FEditorStyle::GetBrush("Sequencer.Timeline.ScrubHandleUp");
static const FLinearColor SelectionColor = FEditorStyle::GetSlateColor("SelectionColor").GetColor( InWidgetStyle );
const float HandleSize = 13.0f;
bool bSelected = Mark == SelectedStop;
if( bSelected )
{
// Show selected stops above other stops
++LayerId;
}
// Draw a box for the non colored area
FSlateDrawElement::MakeBox
(
OutDrawElements,
LayerId,
Geometry.ToPaintGeometry( FVector2D( XPos-HandleRect.Left, HandleRect.Top ), FVector2D( HandleRect.Right, HandleRect.Bottom ) ),
bColor ? ColorStopBrush : AlphaStopBrush,
InClippingRect,
DrawEffects,
bSelected ? SelectionColor : FLinearColor::White
);
// Draw a box with the gradient stop color
FSlateDrawElement::MakeBox
(
OutDrawElements,
LayerId+1,
Geometry.ToPaintGeometry( FVector2D( XPos-HandleRect.Left+3, bColor ? HandleRect.Top+3.0f : HandleRect.Top+6), FVector2D( HandleRect.Right-6, HandleRect.Bottom-9 ) ),
WhiteBrush,
InClippingRect,
DrawEffects,
Color.ToFColor(false)
);
}
void SPropertyEditorColor::SetColor(FLinearColor NewColor)
{
const TSharedRef< FPropertyNode > PropertyNode = PropertyEditor->GetPropertyNode();
UProperty* Property = PropertyNode->GetProperty();
check(Property);
FReadAddressList ReadAddresses;
PropertyNode->GetReadAddress( false, ReadAddresses, false );
if( ReadAddresses.Num() )
{
GEditor->BeginTransaction( NSLOCTEXT("UnrealEd", "SetColorProperty", "Set Color Property") );
PropertyNode->NotifyPreChange(Property, PropertyUtilities->GetNotifyHook());
for( int32 AddrIndex = 0; AddrIndex < ReadAddresses.Num(); ++AddrIndex )
{
const uint8* Addr = ReadAddresses.GetAddress(AddrIndex);
if( Addr )
{
if( Cast<UStructProperty>(Property)->Struct->GetFName() == NAME_Color )
{
*(FColor*)Addr = NewColor.ToFColor(false);
}
else
{
check( Cast<UStructProperty>(Property)->Struct->GetFName() == NAME_LinearColor );
*(FLinearColor*)Addr = NewColor;
}
}
}
FPropertyChangedEvent ChangeEvent(Property, EPropertyChangeType::ValueSet);
PropertyNode->NotifyPostChange( ChangeEvent, PropertyUtilities->GetNotifyHook() );
GEditor->EndTransaction();
}
}
int32 UPaperGroupedSpriteComponent::AddInstanceWithMaterial(const FTransform& Transform, UPaperSprite* Sprite, UMaterialInterface* MaterialOverride, bool bWorldSpace, FLinearColor Color)
{
const int32 NewInstanceIndex = PerInstanceSpriteData.Num();
const FTransform LocalTransform(bWorldSpace ? Transform.GetRelativeTransform(ComponentToWorld) : Transform);
FSpriteInstanceData& NewInstanceData = *new (PerInstanceSpriteData)FSpriteInstanceData();
SetupNewInstanceData(NewInstanceData, NewInstanceIndex, LocalTransform, Sprite, MaterialOverride, Color.ToFColor(/*bSRGB=*/ false));
MarkRenderStateDirty();
UNavigationSystem::UpdateNavOctree(this);
return NewInstanceIndex;
}
void FSequencerFolderNode::OnColorPickerPicked(FLinearColor NewFolderColor)
{
MovieSceneFolder.SetFolderColor(NewFolderColor.ToFColor(false));
}
void ULog::K2_PrintStringOverTime(const FString& InString, float Duration, FLinearColor TextColor)
{
GEngine->AddOnScreenDebugMessage(-1, Duration, TextColor.ToFColor(true), InString);
return;
}
void UVisualLoggerKismetLibrary::LogBox(UObject* WorldContextObject, FBox Box, FString Text, FLinearColor ObjectColor, FName CategoryName)
{
#if ENABLE_VISUAL_LOG
const ELogVerbosity::Type DefaultVerbosity = ELogVerbosity::Log;
FVisualLogger::GeometryShapeLogf(WorldContextObject, FLogCategoryBase(*CategoryName.ToString(), DefaultVerbosity, DefaultVerbosity), DefaultVerbosity, INDEX_NONE, Box, FMatrix::Identity, ObjectColor.ToFColor(true), *Text);
#endif
}
void UVisualLoggerKismetLibrary::LogLocation(UObject* WorldContextObject, FVector Location, FString Text, FLinearColor Color, float Radius, FName CategoryName)
{
#if ENABLE_VISUAL_LOG
const ELogVerbosity::Type DefaultVerbosity = ELogVerbosity::Log;
FVisualLogger::GeometryShapeLogf(WorldContextObject, FLogCategoryBase(*CategoryName.ToString(), DefaultVerbosity, DefaultVerbosity), DefaultVerbosity, INDEX_NONE, Location, Radius, Color.ToFColor(true), *Text);
#endif
}
int32 SColorBlock::OnPaint( const FGeometry& AllottedGeometry, const FSlateRect& MyClippingRect, FSlateWindowElementList& OutDrawElements, int32 LayerId, const FWidgetStyle& InWidgetStyle, bool bParentEnabled ) const
{
const FSlateBrush* GenericBrush = FCoreStyle::Get().GetBrush( "GenericWhiteBox" );
const ESlateDrawEffect::Type DrawEffects = ESlateDrawEffect::None;
FLinearColor InColor = Color.Get();
if (ColorIsHSV.Get())
{
InColor = InColor.HSVToLinearRGB();
}
if (IgnoreAlpha.Get())
{
InColor.A = 1.f;
}
const FColor DrawColor = InColor.ToFColor(bUseSRGB.Get());
if( ShowBackgroundForAlpha.Get() && DrawColor.A < 255 )
{
// If we are showing a background pattern and the colors is transparent, draw a checker pattern
const FSlateBrush* CheckerBrush = FCoreStyle::Get().GetBrush("ColorPicker.AlphaBackground");
FSlateDrawElement::MakeBox( OutDrawElements, LayerId, AllottedGeometry.ToPaintGeometry(), CheckerBrush, MyClippingRect, DrawEffects );
}
// determine if it is HDR
const float MaxRGB = FMath::Max3(InColor.R, InColor.G, InColor.B);
if (MaxRGB > 1.f)
{
FLinearColor NormalizedLinearColor = InColor / MaxRGB;
NormalizedLinearColor.A = InColor.A;
const FColor DrawNormalizedColor = InWidgetStyle.GetColorAndOpacityTint() * NormalizedLinearColor.ToFColor(bUseSRGB.Get());
FLinearColor ClampedLinearColor = InColor;
ClampedLinearColor.A = InColor.A * MaxRGB;
const FColor DrawClampedColor = InWidgetStyle.GetColorAndOpacityTint() * ClampedLinearColor.ToFColor(bUseSRGB.Get());
TArray<FSlateGradientStop> GradientStops;
GradientStops.Add( FSlateGradientStop( FVector2D::ZeroVector, DrawNormalizedColor ) );
GradientStops.Add( FSlateGradientStop( AllottedGeometry.Size * 0.5f, DrawClampedColor ) );
GradientStops.Add( FSlateGradientStop( AllottedGeometry.Size, DrawNormalizedColor ) );
FSlateDrawElement::MakeGradient(
OutDrawElements,
LayerId + 1,
AllottedGeometry.ToPaintGeometry(),
GradientStops,
(AllottedGeometry.Size.X > AllottedGeometry.Size.Y) ? Orient_Vertical : Orient_Horizontal,
MyClippingRect,
DrawEffects
);
}
else
{
FSlateDrawElement::MakeBox( OutDrawElements, LayerId + 1, AllottedGeometry.ToPaintGeometry(), GenericBrush, MyClippingRect, DrawEffects, InWidgetStyle.GetColorAndOpacityTint() * DrawColor );
}
return LayerId + 1;
}