Files
UnrealEngine/Engine/Source/Runtime/MovieSceneTracks/Private/Sections/MovieSceneIntegerSection.cpp
2025-05-18 13:04:45 +08:00

58 lines
2.3 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "Sections/MovieSceneIntegerSection.h"
#include "Channels/MovieSceneChannelProxy.h"
#include "MovieSceneTracksComponentTypes.h"
#include "Systems/MovieScenePiecewiseIntegerBlenderSystem.h"
#include "Tracks/MovieScenePropertyTrack.h"
#include "UObject/SequencerObjectVersion.h"
#include UE_INLINE_GENERATED_CPP_BY_NAME(MovieSceneIntegerSection)
UMovieSceneIntegerSection::UMovieSceneIntegerSection( const FObjectInitializer& ObjectInitializer )
: Super( ObjectInitializer )
{
EvalOptions.EnableAndSetCompletionMode
(GetLinkerCustomVersion(FSequencerObjectVersion::GUID) < FSequencerObjectVersion::WhenFinishedDefaultsToRestoreState ?
EMovieSceneCompletionMode::KeepState :
GetLinkerCustomVersion(FSequencerObjectVersion::GUID) < FSequencerObjectVersion::WhenFinishedDefaultsToProjectDefault ?
EMovieSceneCompletionMode::RestoreState :
EMovieSceneCompletionMode::ProjectDefault);
BlendType = EMovieSceneBlendType::Absolute;
bSupportsInfiniteRange = true;
#if WITH_EDITOR
ChannelProxy = MakeShared<FMovieSceneChannelProxy>(IntegerCurve, FMovieSceneChannelMetaData(), TMovieSceneExternalValue<int32>::Make());
#else
ChannelProxy = MakeShared<FMovieSceneChannelProxy>(IntegerCurve);
#endif
}
bool UMovieSceneIntegerSection::PopulateEvaluationFieldImpl(const TRange<FFrameNumber>& EffectiveRange, const FMovieSceneEvaluationFieldEntityMetaData& InMetaData, FMovieSceneEntityComponentFieldBuilder* OutFieldBuilder)
{
FMovieScenePropertyTrackEntityImportHelper::PopulateEvaluationField(*this, EffectiveRange, InMetaData, OutFieldBuilder);
return true;
}
void UMovieSceneIntegerSection::ImportEntityImpl(UMovieSceneEntitySystemLinker* EntityLinker, const FEntityImportParams& Params, FImportedEntity* OutImportedEntity)
{
using namespace UE::MovieScene;
if (!IntegerCurve.HasAnyData())
{
return;
}
const FBuiltInComponentTypes* Components = FBuiltInComponentTypes::Get();
const FMovieSceneTracksComponentTypes* TracksComponents = FMovieSceneTracksComponentTypes::Get();
FPropertyTrackEntityImportHelper(TracksComponents->Integer)
.Add(Components->IntegerChannel, &IntegerCurve)
.Add(Components->BlenderType, UMovieScenePiecewiseIntegerBlenderSystem::StaticClass())
.Commit(this, Params, OutImportedEntity);
}