MovieSceneReplaceableDirectorBlueprintBinding.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Bindings/MovieSceneReplaceableBinding.h"
#include "Templates/SubclassOf.h"
#include "GameFramework/Actor.h"
#include "Bindings/MovieSceneSpawnableBinding.h"
#include "MovieSceneReplaceableDirectorBlueprintBinding.generated.h"
 
UCLASS(BlueprintType, MinimalAPI, EditInlineNew, DefaultToInstanced, Meta=(DisplayName="Replaceable from Director Blueprint"))
class UMovieSceneReplaceableDirectorBlueprintBinding
    : public UMovieSceneReplaceableBindingBase
{
public:
 
    GENERATED_BODY()
 
public:
 
    /* MovieSceneCustomBinding overrides*/
#if WITH_EDITOR
    FText GetBindingTypePrettyName() const override;
    void OnBindingAddedOrChanged(UMovieScene& OwnerMovieScene) override;
#endif  
    
    // Director Blueprint defined binding info
    UPROPERTY(EditAnywhere, Category="Sequencer")
    FMovieSceneDynamicBinding DynamicBinding;
 
    // Preview Spawnable Type to use for this replaceable
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="Sequencer")
    TSubclassOf<UMovieSceneSpawnableBindingBase> PreviewSpawnableType;
 
protected:
    /* MovieSceneReplaceableBindingBase overrides*/
 
    virtual void PostDuplicate(EDuplicateMode::Type DuplicateMode) override;
 
#if WITH_EDITOR
    MOVIESCENETRACKS_API virtual UMovieSceneCustomBinding* CreateCustomBindingFromBinding(const FMovieSceneBindingReference& BindingReference, UObject* SourceObject, UMovieScene& OwnerMovieScene) override;
#endif
 
    // By default we return nullptr here, as we rely on Sequencer's BindingOverride mechanism to bind these actors during runtime.
    // This can be overridden if desired in subclasses to provide a different way to resolve to an actor at runtime while still using spawnable actor as the preview.
    MOVIESCENETRACKS_API virtual FMovieSceneBindingResolveResult ResolveRuntimeBindingInternal(const FMovieSceneBindingResolveParams& ResolveParams, int32 BindingIndex, TSharedRef<const UE::MovieScene::FSharedPlaybackState> SharedPlaybackState) const override;
    
    // Empty implementation by default as we don't need to initialize any data members other than the spawnable, which is initialized by CreateInnerSpawnable in the base class
    virtual void InitReplaceableBinding(UObject* SourceObject, UMovieScene& OwnerMovieScene) override {}
 
    virtual TSubclassOf<UMovieSceneSpawnableBindingBase> GetInnerSpawnableClass() const override { return PreviewSpawnableType; }
    
    virtual bool SupportsBindingCreationFromObject(const UObject* SourceObject) const override { return true; }
};