Files
UnrealEngine/Engine/Source/Runtime/UMG/Private/Animation/MovieSceneMarginSection.cpp
2025-05-18 13:04:45 +08:00

121 lines
4.7 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "Animation/MovieSceneMarginSection.h"
#include "Animation/MovieSceneMarginTrack.h"
#include "Animation/MovieSceneUMGComponentTypes.h"
#include "Channels/MovieSceneChannelProxy.h"
#include "Compilation/MovieSceneTemplateInterrogation.h"
#include "Evaluation/MovieSceneEvaluationTrack.h"
#include "Evaluation/MovieSceneEvaluationTemplateInstance.h"
#include "Evaluation/MovieScenePropertyTemplate.h"
#include "Tracks/MovieScenePropertyTrack.h"
#include UE_INLINE_GENERATED_CPP_BY_NAME(MovieSceneMarginSection)
#if WITH_EDITOR
struct FMarginSectionEditorData
{
FMarginSectionEditorData()
{
MetaData[0].SetIdentifiers("Left", NSLOCTEXT("MovieSceneMarginSection", "LeftText", "Left"));
MetaData[0].SubPropertyPath = MetaData[0].Name;
MetaData[0].SortOrder = 0;
MetaData[0].bCanCollapseToTrack = false;
MetaData[1].SetIdentifiers("Top", NSLOCTEXT("MovieSceneMarginSection", "TopText", "Top"));
MetaData[1].SubPropertyPath = MetaData[1].Name;
MetaData[1].SortOrder = 1;
MetaData[1].bCanCollapseToTrack = false;
MetaData[2].SetIdentifiers("Right", NSLOCTEXT("MovieSceneMarginSection", "RightText", "Right"));
MetaData[2].SubPropertyPath = MetaData[2].Name;
MetaData[2].SortOrder = 2;
MetaData[2].bCanCollapseToTrack = false;
MetaData[3].SetIdentifiers("Bottom", NSLOCTEXT("MovieSceneMarginSection", "BottomText", "Bottom"));
MetaData[3].SubPropertyPath = MetaData[3].Name;
MetaData[3].SortOrder = 3;
MetaData[3].bCanCollapseToTrack = false;
ExternalValues[0].OnGetExternalValue = ExtractLeftChannel;
ExternalValues[1].OnGetExternalValue = ExtractTopChannel;
ExternalValues[2].OnGetExternalValue = ExtractRightChannel;
ExternalValues[3].OnGetExternalValue = ExtractBottomChannel;
}
static TOptional<float> ExtractLeftChannel(UObject& InObject, FTrackInstancePropertyBindings* Bindings)
{
return Bindings ? Bindings->GetCurrentValue<FMargin>(InObject).Left : TOptional<float>();
}
static TOptional<float> ExtractTopChannel(UObject& InObject, FTrackInstancePropertyBindings* Bindings)
{
return Bindings ? Bindings->GetCurrentValue<FMargin>(InObject).Top : TOptional<float>();
}
static TOptional<float> ExtractRightChannel(UObject& InObject, FTrackInstancePropertyBindings* Bindings)
{
return Bindings ? Bindings->GetCurrentValue<FMargin>(InObject).Right : TOptional<float>();
}
static TOptional<float> ExtractBottomChannel(UObject& InObject, FTrackInstancePropertyBindings* Bindings)
{
return Bindings ? Bindings->GetCurrentValue<FMargin>(InObject).Bottom : TOptional<float>();
}
FMovieSceneChannelMetaData MetaData[4];
TMovieSceneExternalValue<float> ExternalValues[4];
};
#endif // WITH_EDITOR
UMovieSceneMarginSection::UMovieSceneMarginSection( const FObjectInitializer& ObjectInitializer )
: Super( ObjectInitializer )
{
EvalOptions.EnableAndSetCompletionMode(EMovieSceneCompletionMode::ProjectDefault);
BlendType = EMovieSceneBlendType::Absolute;
FMovieSceneChannelProxyData Channels;
bSupportsInfiniteRange = true;
#if WITH_EDITOR
static const FMarginSectionEditorData EditorData;
Channels.Add(LeftCurve, EditorData.MetaData[0], EditorData.ExternalValues[0]);
Channels.Add(TopCurve, EditorData.MetaData[1], EditorData.ExternalValues[1]);
Channels.Add(RightCurve, EditorData.MetaData[2], EditorData.ExternalValues[2]);
Channels.Add(BottomCurve, EditorData.MetaData[3], EditorData.ExternalValues[3]);
#else
Channels.Add(LeftCurve);
Channels.Add(TopCurve);
Channels.Add(RightCurve);
Channels.Add(BottomCurve);
#endif
ChannelProxy = MakeShared<FMovieSceneChannelProxy>(MoveTemp(Channels));
}
bool UMovieSceneMarginSection::PopulateEvaluationFieldImpl(const TRange<FFrameNumber>& EffectiveRange, const FMovieSceneEvaluationFieldEntityMetaData& InMetaData, FMovieSceneEntityComponentFieldBuilder* OutFieldBuilder)
{
FMovieScenePropertyTrackEntityImportHelper::PopulateEvaluationField(*this, EffectiveRange, InMetaData, OutFieldBuilder);
return true;
}
void UMovieSceneMarginSection::ImportEntityImpl(UMovieSceneEntitySystemLinker* EntityLinker, const FEntityImportParams& Params, FImportedEntity* OutImportedEntity)
{
using namespace UE::MovieScene;
const FBuiltInComponentTypes* Components = FBuiltInComponentTypes::Get();
const FMovieSceneUMGComponentTypes* UMGComponents = FMovieSceneUMGComponentTypes::Get();
FPropertyTrackEntityImportHelper(UMGComponents->Margin)
.AddConditional(Components->FloatChannel[0], &LeftCurve, LeftCurve.HasAnyData())
.AddConditional(Components->FloatChannel[1], &TopCurve, TopCurve.HasAnyData())
.AddConditional(Components->FloatChannel[2], &RightCurve, RightCurve.HasAnyData())
.AddConditional(Components->FloatChannel[3], &BottomCurve, BottomCurve.HasAnyData())
.Commit(this, Params, OutImportedEntity);
}