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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]
112 lines
3.3 KiB
C++
112 lines
3.3 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "SequencerKeyParams.h"
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#include "Containers/Array.h"
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#include "Misc/FrameNumber.h"
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#include "MVVM/ViewModelPtr.h"
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class IKeyArea;
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class ISequencer;
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class ISequencerSection;
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class UMovieSceneTrack;
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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 ITrackExtension;
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class FViewModel;
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class FChannelGroupModel;
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/**
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* Temporary structure used for consistent add-key behavior for a set of display nodes
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* Ultimately the operation will call ISequencerTrackEditor::ProcessKeyOperation for each track editor that needs to add keys.
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*/
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struct SEQUENCER_API FAddKeyOperation
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{
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/**
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* Construct an operation from any set of display nodes. Each node in the set will receive keys for all decendant key areas.
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*
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* @param InModels A set of all the models to key
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*/
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static FAddKeyOperation FromNodes(const TSet<TWeakPtr<FViewModel>>& InModels);
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/**
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* Construct an operation from a single display node. Every key area underneath this node will receive keys.
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*/
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static FAddKeyOperation FromNode(TWeakPtr<FViewModel> InModel);
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/**
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* Construct an operation from some key areas on a track.
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*/
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static FAddKeyOperation FromKeyAreas(ISequencerTrackEditor* TrackEditor, const TArrayView<TSharedRef<IKeyArea>> InKeyAreas);
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/**
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* Commit this operation by choosing the section(s) to key for each key area, and adding a key at the specified time
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*
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* @param InKeyTime The time to add keys at
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* @param InSequencer The sequencer instance that is performing this operations
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*/
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void Commit(FFrameNumber InKeyTime, ISequencer& InSequencer);
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private:
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/**
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* Add a set of nodes to this operation that have already had child nodes removed (ie only parent nodes should exist in the set)
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*
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* @param InNodes A set of nodes to add to this operation that contains no child nodes
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*/
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void AddPreFilteredNodes(TArrayView<const TWeakPtr<FViewModel>> InNodes);
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/**
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* Add any keyable areas to the list of potential things to key
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*
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* @param InTrackEditor The track editor
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* @param InKeyAnythingBeneath A node to search within for key areas
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*/
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bool ConsiderKeyableAreas(TSharedPtr<ITrackExtension> InTrackModel, FViewModelPtr InKeyAnythingBeneath);
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/**
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* Add key areas for a key area display node to this operation
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*
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* @param InTrackNode The current track node
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* @param InKeyAreaNode The key area node to add key areas from
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*/
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bool ProcessKeyArea(TSharedPtr<ITrackExtension> InTrackModel, TViewModelPtr<FChannelGroupModel> InChannelGroupModel);
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/**
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* Add a key area to this operation
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*
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* @param InTrackEditor The track editor responsible for the key area
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* @param InKeyArea The key area to add
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*/
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bool ProcessKeyArea(ISequencerTrackEditor* InTrackEditor, TSharedPtr<IKeyArea> InKeyArea);
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/**
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* Retrieve the operation that relates to a specific track editor instance
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*/
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FKeyOperation& GetTrackOperation(ISequencerTrackEditor* TrackEditor);
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private:
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FAddKeyOperation() {}
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/** Map of key operations stored by their track editor. */
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TMap<ISequencerTrackEditor*, FKeyOperation> OperationsByTrackEditor;
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};
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} // namespace Sequencer
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} // namespace UE
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