110 lines
3.8 KiB
C++
110 lines
3.8 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "Sections/MovieSceneFloatSection.h"
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#include "Channels/MovieSceneChannelProxy.h"
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#include "Channels/MovieSceneSectionChannelOverrideRegistry.h"
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#include "EntitySystem/BuiltInComponentTypes.h"
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#include "EntitySystem/MovieSceneEntityBuilder.h"
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#include "EntitySystem/MovieSceneEntityManager.h"
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#include "Evaluation/MovieSceneEvaluationCustomVersion.h"
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#include "Evaluation/MovieScenePropertyTemplate.h"
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#include "MovieSceneCommonHelpers.h"
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#include "MovieSceneTracksComponentTypes.h"
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#include "Systems/MovieSceneFloatPropertySystem.h"
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#include "Tracks/MovieSceneFloatTrack.h"
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#include "Tracks/MovieScenePropertyTrack.h"
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#include "UObject/SequencerObjectVersion.h"
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#include UE_INLINE_GENERATED_CPP_BY_NAME(MovieSceneFloatSection)
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UMovieSceneFloatSection::UMovieSceneFloatSection( const FObjectInitializer& ObjectInitializer )
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: Super( ObjectInitializer )
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{
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EvalOptions.EnableAndSetCompletionMode
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(GetLinkerCustomVersion(FSequencerObjectVersion::GUID) < FSequencerObjectVersion::WhenFinishedDefaultsToRestoreState ?
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EMovieSceneCompletionMode::KeepState :
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GetLinkerCustomVersion(FSequencerObjectVersion::GUID) < FSequencerObjectVersion::WhenFinishedDefaultsToProjectDefault ?
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EMovieSceneCompletionMode::RestoreState :
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EMovieSceneCompletionMode::ProjectDefault);
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BlendType = EMovieSceneBlendType::Absolute;
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bSupportsInfiniteRange = true;
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}
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EMovieSceneChannelProxyType UMovieSceneFloatSection::CacheChannelProxy()
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{
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using namespace UE::MovieScene;
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#if WITH_EDITOR
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ChannelProxy = MakeChannelProxy(OverrideRegistry, FloatCurve, FMovieSceneChannelMetaData(), TMovieSceneExternalValue<float>::Make());
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#else
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ChannelProxy = MakeChannelProxy(OverrideRegistry, FloatCurve);
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#endif
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return EMovieSceneChannelProxyType::Static;
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}
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bool UMovieSceneFloatSection::PopulateEvaluationFieldImpl(const TRange<FFrameNumber>& EffectiveRange, const FMovieSceneEvaluationFieldEntityMetaData& InMetaData, FMovieSceneEntityComponentFieldBuilder* OutFieldBuilder)
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{
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FMovieScenePropertyTrackEntityImportHelper::PopulateEvaluationField(*this, EffectiveRange, InMetaData, OutFieldBuilder);
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return true;
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}
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void UMovieSceneFloatSection::ImportEntityImpl(UMovieSceneEntitySystemLinker* EntityLinker, const FEntityImportParams& Params, FImportedEntity* OutImportedEntity)
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{
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using namespace UE::MovieScene;
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if (!FloatCurve.HasAnyData() && (!OverrideRegistry || OverrideRegistry->NumChannels() == 0))
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{
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return;
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}
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const FBuiltInComponentTypes* Components = FBuiltInComponentTypes::Get();
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const FMovieSceneTracksComponentTypes* TracksComponents = FMovieSceneTracksComponentTypes::Get();
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FPropertyTrackWithOverridableChannelsEntityImportHelper(TracksComponents->Float, this)
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.Add(Components->FloatChannel[0], &FloatCurve,
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// NAME_None below because we don't specify any names in CacheChannelProxy
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FChannelOverrideEntityImportParams{ NAME_None, Components->DoubleResult[0] })
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.Commit(this, Params, OutImportedEntity);
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}
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UMovieSceneSectionChannelOverrideRegistry* UMovieSceneFloatSection::GetChannelOverrideRegistry(bool bCreateIfMissing)
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{
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if (bCreateIfMissing && OverrideRegistry == nullptr)
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{
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OverrideRegistry = NewObject<UMovieSceneSectionChannelOverrideRegistry>(this, NAME_None, RF_Transactional);
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}
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return OverrideRegistry;
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}
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UE::MovieScene::FChannelOverrideProviderTraitsHandle UMovieSceneFloatSection::GetChannelOverrideProviderTraits() const
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{
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// NAME_None because we don't specify any names in CacheChannelProxy
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UE::MovieScene::TSingleChannelOverrideProviderTraits<FMovieSceneFloatChannel> Traits(NAME_None);
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return UE::MovieScene::FChannelOverrideProviderTraitsHandle(Traits);
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}
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void UMovieSceneFloatSection::OnChannelOverridesChanged()
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{
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ChannelProxy = nullptr;
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}
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#if WITH_EDITOR
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void UMovieSceneFloatSection::PostPaste()
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{
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Super::PostPaste();
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if (OverrideRegistry)
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{
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OverrideRegistry->OnPostPaste();
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}
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}
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#endif
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