95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "UObject/ObjectMacros.h"
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#include "MovieSceneNameableTrack.h"
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#include "MovieSceneAudioTrack.generated.h"
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class USoundBase;
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namespace AudioTrackConstants
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{
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const float ScrubDuration = 0.050f;
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}
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/**
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* Handles manipulation of audio.
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*/
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UCLASS(MinimalAPI)
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class UMovieSceneAudioTrack
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: public UMovieSceneNameableTrack
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{
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GENERATED_UCLASS_BODY()
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public:
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/** Adds a new sound cue to the audio */
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MOVIESCENETRACKS_API virtual UMovieSceneSection* AddNewSoundOnRow(USoundBase* Sound, FFrameNumber Time, int32 RowIndex);
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/** Adds a new sound cue on the next available/non-overlapping row */
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virtual UMovieSceneSection* AddNewSound(USoundBase* Sound, FFrameNumber Time) { return AddNewSoundOnRow(Sound, Time, INDEX_NONE); }
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/** @return The audio sections on this track */
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const TArray<UMovieSceneSection*>& GetAudioSections() const
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{
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return AudioSections;
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}
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public:
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// UMovieSceneTrack interface
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MOVIESCENETRACKS_API virtual bool SupportsType(TSubclassOf<UMovieSceneSection> SectionClass) const override;
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MOVIESCENETRACKS_API virtual void RemoveAllAnimationData() override;
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MOVIESCENETRACKS_API virtual bool HasSection(const UMovieSceneSection& Section) const override;
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MOVIESCENETRACKS_API virtual void AddSection(UMovieSceneSection& Section) override;
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MOVIESCENETRACKS_API virtual void RemoveSection(UMovieSceneSection& Section) override;
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MOVIESCENETRACKS_API virtual void RemoveSectionAt(int32 SectionIndex) override;
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MOVIESCENETRACKS_API virtual bool IsEmpty() const override;
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MOVIESCENETRACKS_API virtual const TArray<UMovieSceneSection*>& GetAllSections() const override;
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MOVIESCENETRACKS_API virtual bool SupportsMultipleRows() const override;
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MOVIESCENETRACKS_API virtual UMovieSceneSection* CreateNewSection() override;
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MOVIESCENETRACKS_API virtual void GetCompatibleUserDecorationsImpl(TSet<UClass*>& OutClasses) const override;
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// ~UObject interface
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MOVIESCENETRACKS_API virtual void PostRename(UObject* OldOuter, const FName OldName) override;
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private:
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/** List of all root audio sections */
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UPROPERTY()
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TArray<TObjectPtr<UMovieSceneSection>> AudioSections;
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#if WITH_EDITORONLY_DATA
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public:
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/**
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* Get the height of this track's rows
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*/
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int32 GetRowHeight() const
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{
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return RowHeight;
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}
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/**
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* Set the height of this track's rows
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*/
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void SetRowHeight(int32 NewRowHeight)
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{
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RowHeight = FMath::Max(16, NewRowHeight);
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}
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private:
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/** The height for each row of this track */
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UPROPERTY()
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int32 RowHeight;
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#endif
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};
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