MovieSceneRotatorSection.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Channels/MovieSceneDoubleChannel.h"
#include "EntitySystem/IMovieSceneEntityProvider.h"
#include "MovieSceneSection.h"
#include "MovieSceneRotatorSection.generated.h"
 
UCLASS(MinimalAPI)
class UMovieSceneRotatorSection
    : public UMovieSceneSection
    , public IMovieSceneEntityProvider
{
    GENERATED_BODY()
 
public:
    static constexpr int32 RollChannelIndex = 2;
    static constexpr int32 PitchChannelIndex = 0;
    static constexpr int32 YawChannelIndex = 1;
 
    UMovieSceneRotatorSection(const FObjectInitializer& InObjectInitializer);
 
    const FMovieSceneDoubleChannel& GetChannelX() const
    {
        return Rotation[RollChannelIndex];
    }
 
    const FMovieSceneDoubleChannel& GetChannelY() const
    {
        return Rotation[PitchChannelIndex];
    }
 
    const FMovieSceneDoubleChannel& GetChannelZ() const
    {
        return Rotation[YawChannelIndex];
    }
 
    const FMovieSceneDoubleChannel& GetChannel(int32 InIndex) const
    {
        constexpr int32 Size = UE_ARRAY_COUNT(Rotation);
        check(InIndex >= 0 && InIndex < Size)
        return Rotation[InIndex];
    }
 
    //~ Begin IMovieSceneEntityProvider
    virtual bool PopulateEvaluationFieldImpl(const TRange<FFrameNumber>& InEffectiveRange, const FMovieSceneEvaluationFieldEntityMetaData& InMetaData, FMovieSceneEntityComponentFieldBuilder* OutFieldBuilder) override;
    virtual void ImportEntityImpl(UMovieSceneEntitySystemLinker* InEntityLinker, const FEntityImportParams& InParams, FImportedEntity* OutImportedEntity) override;
    //~ End IMovieSceneEntityProvider
 
private:
    UPROPERTY()
    FMovieSceneDoubleChannel Rotation[3];
};