IMovieSceneTrackTemplateProducer.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreTypes.h"
#include "Misc/Guid.h"
#include "UObject/Interface.h"
#include "UObject/ObjectMacros.h"
#include "UObject/UObjectGlobals.h"
 
#include "IMovieSceneTrackTemplateProducer.generated.h"
 
class UObject;
 
enum class EMovieSceneCompletionMode : uint8;
 
class FArchive;
class UClass;
class UMovieSceneSection;
class UMovieSceneTrack;
struct FMovieSceneEvalTemplatePtr;
struct FMovieSceneEvaluationTrack;
struct IMovieSceneTemplateGenerator;
 
 
struct FMovieSceneTrackCompilerArgs
{
    MOVIESCENE_API FMovieSceneTrackCompilerArgs(UMovieSceneTrack* InTrack, IMovieSceneTemplateGenerator* InGenerator);
 
    FGuid ObjectBindingId;
 
    EMovieSceneCompletionMode DefaultCompletionMode;
 
    UMovieSceneTrack* Track;
 
    IMovieSceneTemplateGenerator* Generator;
 
    struct FMovieSceneSequenceTemplateStore {};
 
    struct FMovieSceneTrackCompilationParams {  bool bForEditorPreview, bDuringBlueprintCompile; };
};
 
 
enum class EMovieSceneCompileResult : uint8
{
    Success,
    Failure,
    Unimplemented
};
 
UINTERFACE(MinimalAPI)
class UMovieSceneTrackTemplateProducer : public UInterface
{
public:
    GENERATED_BODY()
};
 
class IMovieSceneTrackTemplateProducer
{
public:
    GENERATED_BODY()
 
 
    //~ Methods relating to compilation 
 
public:
 
    MOVIESCENE_API virtual void GenerateTemplate(const FMovieSceneTrackCompilerArgs& Args) const;
 
    MOVIESCENE_API FMovieSceneEvaluationTrack GenerateTrackTemplate(UMovieSceneTrack* SourceTrack) const;
 
 
protected:
 
    virtual EMovieSceneCompileResult CustomCompile(FMovieSceneEvaluationTrack& Track, const FMovieSceneTrackCompilerArgs& Args) const { return EMovieSceneCompileResult::Unimplemented; }
 
    virtual void PostCompile(FMovieSceneEvaluationTrack& Track, const FMovieSceneTrackCompilerArgs& Args) const {}
 
protected:
 
    virtual FMovieSceneEvalTemplatePtr CreateTemplateForSection(const UMovieSceneSection& InSection) const = 0;
 
    MOVIESCENE_API EMovieSceneCompileResult Compile(FMovieSceneEvaluationTrack& Track, const FMovieSceneTrackCompilerArgs& Args) const;
 
};