MirrorSyncScope.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "AnimNodeMessages.h"
#include "Animation/MirrorDataTable.h"
 
namespace UE { namespace Anim {
 
class FAnimSyncGroupScope;
 
class FAnimNotifyMirrorContext : public IAnimNotifyEventContextDataInterface
{
    DECLARE_NOTIFY_CONTEXT_INTERFACE(FAnimNotifyMirrorContext)
    public:
    FAnimNotifyMirrorContext() {} 
    FAnimNotifyMirrorContext(const UMirrorDataTable* MirrorDataTable) : MirrorTable(MirrorDataTable) {bAnimationMirrored = MirrorDataTable != nullptr;} 
    bool bAnimationMirrored = true; 
 
    TWeakObjectPtr<const UMirrorDataTable> MirrorTable; 
};
    
// Scoped graph message used to synchronize mirroring 
class FMirrorSyncScope : public IGraphMessage
{
    DECLARE_ANIMGRAPH_MESSAGE_API(FMirrorSyncScope, ENGINE_API);
public:
    ENGINE_API FMirrorSyncScope(const FAnimationBaseContext& InContext, const UMirrorDataTable* InMirrorDataTable);
    ENGINE_API virtual ~FMirrorSyncScope();
    ENGINE_API int32 GetMirrorScopeDepth() const;
    ENGINE_API virtual TUniquePtr<const IAnimNotifyEventContextDataInterface> MakeUniqueEventContextData() const override;
private:
    const UMirrorDataTable* MirrorDataTable = nullptr;
    int32 MirrorScopeDepth = 1;
    const UMirrorDataTable* OuterScopeMirrorDataTable = nullptr;
    TWeakPtr<FAnimSyncGroupScope> AnimSyncGroupScope;
};
 
}}  // namespace UE::Anim