90 lines
2.6 KiB
C++
90 lines
2.6 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Containers/Array.h"
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#include "Containers/ContainerAllocationPolicies.h"
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#include "CoreMinimal.h"
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#include "CoreTypes.h"
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#include "Curves/IntegralCurve.h"
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#include "Internationalization/Text.h"
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#include "Misc/Guid.h"
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#include "MovieSceneSection.h"
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#include "MovieSceneTrack.h"
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#include "Templates/SubclassOf.h"
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#include "UObject/ObjectMacros.h"
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#include "UObject/ObjectPtr.h"
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#include "UObject/UObjectGlobals.h"
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#include "MovieSceneSpawnTrack.generated.h"
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class UObject;
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struct FFrameNumber;
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struct FMovieSceneEvaluationTrack;
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template <typename ElementType> class TRange;
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/**
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* Handles when a spawnable should be spawned and destroyed
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*/
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UCLASS(MinimalAPI)
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class UMovieSceneSpawnTrack
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: public UMovieSceneTrack
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{
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public:
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MOVIESCENE_API UMovieSceneSpawnTrack(const FObjectInitializer& Obj);
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GENERATED_BODY()
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public:
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/** Get the object identifier that this spawn track controls */
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const FGuid& GetObjectId() const
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{
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return ObjectGuid;
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}
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/** Set the object identifier that this spawn track controls */
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void SetObjectId(const FGuid& InGuid)
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{
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ObjectGuid = InGuid;
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}
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static uint16 GetEvaluationPriority() { return uint16(0xFFF); }
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MOVIESCENE_API void PopulateSpawnedRangeMask(const TRange<FFrameNumber>& InOverlap, TArray<TRange<FFrameNumber>, TInlineAllocator<1>>& OutRanges) const;
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public:
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// UMovieSceneTrack interface
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MOVIESCENE_API virtual bool SupportsType(TSubclassOf<UMovieSceneSection> SectionClass) const override;
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MOVIESCENE_API virtual UMovieSceneSection* CreateNewSection() override;
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MOVIESCENE_API virtual bool HasSection(const UMovieSceneSection& Section) const override;
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MOVIESCENE_API virtual void AddSection(UMovieSceneSection& Section) override;
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MOVIESCENE_API virtual void RemoveSection(UMovieSceneSection& Section) override;
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MOVIESCENE_API virtual void RemoveSectionAt(int32 SectionIndex) override;
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MOVIESCENE_API virtual void RemoveAllAnimationData() override;
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MOVIESCENE_API virtual bool IsEmpty() const override;
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MOVIESCENE_API virtual const TArray<UMovieSceneSection*>& GetAllSections() const override;
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//~ UObject interface
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MOVIESCENE_API virtual void PostLoad() override;
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#if WITH_EDITOR
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MOVIESCENE_API virtual ECookOptimizationFlags GetCookOptimizationFlags() const override;
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#endif
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#if WITH_EDITORONLY_DATA
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MOVIESCENE_API virtual FText GetDisplayName() const override;
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#endif
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protected:
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/** All the sections in this track */
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UPROPERTY()
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TArray<TObjectPtr<UMovieSceneSection>> Sections;
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/** The guid relating to the object we are to spawn and destroy */
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UPROPERTY()
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FGuid ObjectGuid;
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};
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