92 lines
3.3 KiB
C++
92 lines
3.3 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Channels/MovieSceneChannel.h"
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#include "Channels/MovieSceneChannelData.h"
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#include "Channels/MovieSceneChannelTraits.h"
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#include "Channels/MovieSceneEvent.h"
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#include "Containers/Array.h"
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#include "Containers/ArrayView.h"
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#include "CoreTypes.h"
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#include "Curves/KeyHandle.h"
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#include "Math/Range.h"
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#include "Misc/FrameNumber.h"
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#include "Misc/FrameTime.h"
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#include "UObject/ObjectMacros.h"
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#include "MovieSceneEventChannel.generated.h"
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struct FFrameRate;
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struct FKeyHandle;
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USTRUCT()
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struct FMovieSceneEventChannel : public FMovieSceneChannel
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{
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GENERATED_BODY()
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typedef FMovieSceneEvent CurveValueType;
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/**
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* Access a mutable interface for this channel's data
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*
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* @return An object that is able to manipulate this channel's data
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*/
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FORCEINLINE TMovieSceneChannelData<FMovieSceneEvent> GetData()
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{
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return TMovieSceneChannelData<FMovieSceneEvent>(&KeyTimes, &KeyValues, this, &KeyHandles);
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}
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/**
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* Access a constant interface for this channel's data
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*
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* @return An object that is able to interrogate this channel's data
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*/
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FORCEINLINE TMovieSceneChannelData<const FMovieSceneEvent> GetData() const
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{
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return TMovieSceneChannelData<const FMovieSceneEvent>(&KeyTimes, &KeyValues);
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}
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public:
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// ~ FMovieSceneChannel Interface
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MOVIESCENETRACKS_API virtual void GetKeys(const TRange<FFrameNumber>& WithinRange, TArray<FFrameNumber>* OutKeyTimes, TArray<FKeyHandle>* OutKeyHandles) override;
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MOVIESCENETRACKS_API virtual void GetKeyTimes(TArrayView<const FKeyHandle> InHandles, TArrayView<FFrameNumber> OutKeyTimes) override;
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MOVIESCENETRACKS_API virtual void SetKeyTimes(TArrayView<const FKeyHandle> InHandles, TArrayView<const FFrameNumber> InKeyTimes) override;
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MOVIESCENETRACKS_API virtual void DuplicateKeys(TArrayView<const FKeyHandle> InHandles, TArrayView<FKeyHandle> OutNewHandles) override;
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MOVIESCENETRACKS_API virtual void DeleteKeys(TArrayView<const FKeyHandle> InHandles) override;
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MOVIESCENETRACKS_API virtual void DeleteKeysFrom(FFrameNumber InTime, bool bDeleteKeysBefore) override;
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MOVIESCENETRACKS_API virtual void RemapTimes(const UE::MovieScene::IRetimingInterface& Retimer) override;
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MOVIESCENETRACKS_API virtual TRange<FFrameNumber> ComputeEffectiveRange() const override;
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MOVIESCENETRACKS_API virtual int32 GetNumKeys() const override;
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MOVIESCENETRACKS_API virtual void Reset() override;
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MOVIESCENETRACKS_API virtual void Offset(FFrameNumber DeltaPosition) override;
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MOVIESCENETRACKS_API virtual FKeyHandle GetHandle(int32 Index) override;
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MOVIESCENETRACKS_API virtual int32 GetIndex(FKeyHandle Handle) override;
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private:
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/** Array of times for each key */
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UPROPERTY(meta=(KeyTimes))
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TArray<FFrameNumber> KeyTimes;
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/** Array of values that correspond to each key time */
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UPROPERTY(meta=(KeyValues))
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TArray<FMovieSceneEvent> KeyValues;
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/** This needs to be a UPROPERTY so it gets saved into editor transactions but transient so it doesn't get saved into assets. */
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UPROPERTY(Transient)
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FMovieSceneKeyHandleMap KeyHandles;
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};
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template<>
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struct TMovieSceneChannelTraits<FMovieSceneEventChannel> : TMovieSceneChannelTraitsBase<FMovieSceneEventChannel>
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{
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enum { SupportsDefaults = false };
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};
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inline bool EvaluateChannel(const FMovieSceneEventChannel* InChannel, FFrameTime InTime, FMovieSceneEvent& OutValue)
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{
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return false;
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}
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