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Copying //Tasks/UE5/Dev-SequencerMVVM2 to Main (//UE5/Main) @20364093 #preflight 628866dfb94f739b152c1e29 #preflight 628866e4585e8f793ee80943 #rb ludovic.chabant, andrew.rodham #fyi ludovic.chabant, andrew.rodham, andrew.porter #jira UE-105322 [CL 20364493 by Max Chen in ue5-main branch]
61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "Math/Range.h"
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#include "Misc/Guid.h"
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#include "Containers/ArrayView.h"
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#include "Curves/KeyHandle.h"
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#include "Templates/SharedPointer.h"
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#include "Misc/Optional.h"
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#include "IKeyArea.h"
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#include "Misc/FrameRate.h"
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namespace UE
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{
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namespace Sequencer
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{
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class FChannelModel;
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}
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}
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/** Simple structure that caches the sorted key times for a given key area */
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struct FSequencerCachedKeys
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{
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FSequencerCachedKeys(TSharedPtr<UE::Sequencer::FChannelModel> InChannel)
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: WeakChannel(InChannel)
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{}
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/**
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* Update this cache to store key times and handles from the specified key area
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* @return true if this cache was updated, false if it was already up to date
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*/
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bool Update(FFrameRate SourceResolution);
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/** Get an view of the cached array for keys that fall within the specified range */
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void GetKeysInRange(const TRange<double>& Range, TArrayView<const double>* OutTimes, TArrayView<const FFrameNumber>* OutKeyFrames, TArrayView<const FKeyHandle>* OutHandles) const;
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/** Get the key area this cache was generated for, or nullptr if the cache has never been updated */
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TSharedPtr<UE::Sequencer::FChannelModel> GetChannel() const
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{
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return WeakChannel.Pin();
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}
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private:
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/** Cached key information */
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TArray<double> CachedKeyTimes;
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TArray<FFrameNumber> CachedKeyFrames;
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TArray<FKeyHandle> CachedKeyHandles;
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/** The guid with which the above array was generated */
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FGuid CachedSignature;
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/** The tick resolution of the sequence that this cache was generated with */
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FFrameRate CachedTickResolution;
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/** The key area this cache is for */
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TWeakPtr<UE::Sequencer::FChannelModel> WeakChannel;
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};
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