MovieSceneInterrogation.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreTypes.h"
#include "UObject/WeakObjectPtrTemplates.h"
#include "UObject/NameTypes.h"
#include "Containers/SortedMap.h"
#include "EntitySystem/MovieSceneEntitySystemTypes.h"
#include "EntitySystem/MovieScenePropertyBinding.h"
#include "EntitySystem/MovieSceneEntitySystemLinkerExtension.h"
 
struct FMovieSceneSequenceHierarchy;
 
namespace UE::MovieScene
{
 
 
struct FInterrogationChannelInfo
{
    TWeakObjectPtr<UObject> WeakObject;
 
    FMovieScenePropertyBinding PropertyBinding;
 
    FInterrogationChannel ParentChannel;
};
 
 
struct FInterrogationUpdateParams
{
 
    FInterrogationChannel ParentChannel;
};
 
struct FSparseInterrogationChannelInfo
{
    FInterrogationChannelInfo& Get(FInterrogationChannel Channel) { return ChannelInfo.FindOrAdd(Channel); }
    const FInterrogationChannelInfo& Get(FInterrogationChannel Channel) const { return ChannelInfo.FindChecked(Channel); }
 
    FInterrogationChannelInfo* Find(FInterrogationChannel Channel) { return ChannelInfo.Find(Channel); }
    const FInterrogationChannelInfo* Find(FInterrogationChannel Channel) const { return ChannelInfo.Find(Channel); }
 
    UObject* FindObject(FInterrogationChannel Channel) const
    {
        return ChannelInfo.FindRef(Channel).WeakObject.Get();
    }
 
    FInterrogationChannel FindParent(FInterrogationChannel Channel) const
    {
        return ChannelInfo.FindRef(Channel).ParentChannel;
    }
 
    void Empty()
    {
        ChannelInfo.Empty();
    }
 
private:
 
    TSortedMap<FInterrogationChannel, FInterrogationChannelInfo> ChannelInfo;
};
 
struct IInterrogationExtension
{
public:
    MOVIESCENE_API static TEntitySystemLinkerExtensionID<IInterrogationExtension> GetExtensionID();
 
    virtual const FSparseInterrogationChannelInfo& GetSparseChannelInfo() const = 0;
 
    virtual const FMovieSceneSequenceHierarchy* GetHierarchy() const = 0;
 
protected:
 
    virtual ~IInterrogationExtension() {}
};
 
} // namespace UE::MovieScene