48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Containers/SortedMap.h"
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#include "EntitySystem/MovieSceneBlenderSystem.h"
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#include "EntitySystem/MovieSceneCachedEntityFilterResult.h"
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#include "EntitySystem/MovieSceneDecompositionQuery.h"
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#include "EntitySystem/MovieSceneEntitySystem.h"
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#include "MovieSceneQuaternionBlenderSystem.generated.h"
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namespace UE::MovieScene
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{
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struct FQuatTransform
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{
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FVector Translation;
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FQuat Rotation;
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FVector Scale;
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};
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struct FQuaternionBlenderAccumulationBuffers
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{
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TSparseArray<double> AbsoluteWeights;
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TArray<FQuatTransform> Absolutes;
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TArray<FQuatTransform> Additives;
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};
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}
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UCLASS(DisplayName="Shortest Rotation (quaternion slerp)", meta=(Tooltip="Uses a quaternion spherical interpolation (slerp) to blend between transforms using the shortest rotation path. Does not support over-rotation."), MinimalAPI)
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class UMovieSceneQuaternionBlenderSystem : public UMovieSceneBlenderSystem, public IMovieSceneValueDecomposer
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{
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public:
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GENERATED_BODY()
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MOVIESCENETRACKS_API UMovieSceneQuaternionBlenderSystem(const FObjectInitializer& ObjInit);
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MOVIESCENETRACKS_API virtual void OnSchedulePersistentTasks(UE::MovieScene::IEntitySystemScheduler* TaskScheduler) override;
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MOVIESCENETRACKS_API virtual void OnRun(FSystemTaskPrerequisites& InPrerequisites, FSystemSubsequentTasks& Subsequents) override;
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MOVIESCENETRACKS_API virtual FGraphEventRef DispatchDecomposeTask(const UE::MovieScene::FValueDecompositionParams& Params, UE::MovieScene::FAlignedDecomposedValue* Output) override;
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private:
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UE::MovieScene::FQuaternionBlenderAccumulationBuffers Buffers;
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};
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