PreviewAssetAttachComponent.h

Go to the documentation of this file.

// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "UObject/Object.h"
#include "UObject/SoftObjectPtr.h"
#include "PreviewAssetAttachComponent.generated.h"
 
USTRUCT()
struct FPreviewAttachedObjectPair
{
    GENERATED_USTRUCT_BODY()
 
private:
    UPROPERTY()
    TSoftObjectPtr<class UObject> AttachedObject;
 
#if WITH_EDITORONLY_DATA
    UPROPERTY()
    TObjectPtr<UObject> Object_DEPRECATED;
#endif
 
public:
 
    FPreviewAttachedObjectPair()
#if WITH_EDITORONLY_DATA
        : Object_DEPRECATED(NULL)
#endif
    {}
 
    UPROPERTY()
    FName AttachedTo;
 
    void SaveAttachedObjectFromDeprecatedProperty()
    {
#if WITH_EDITORONLY_DATA
        if (Object_DEPRECATED)
        {
            AttachedObject = Object_DEPRECATED;
            Object_DEPRECATED = NULL;
        }
#endif
    }
 
    UObject* GetAttachedObject() const
    {
        return AttachedObject.LoadSynchronous();
    }
 
    void SetAttachedObject(UObject* InObject)
    {
        AttachedObject = InObject;
    }
};
 
// Iterators
typedef TIndexedContainerIterator<      TArray<FPreviewAttachedObjectPair>,       FPreviewAttachedObjectPair, int32> TIterator;
typedef TIndexedContainerIterator<const TArray<FPreviewAttachedObjectPair>, const FPreviewAttachedObjectPair, int32> TConstIterator;
 
USTRUCT()
struct FPreviewAssetAttachContainer
{
    GENERATED_USTRUCT_BODY()
 
public:
    ENGINE_API void AddAttachedObject( UObject* AttachObject, FName AttachPointName );
 
    ENGINE_API void AddUniqueAttachedObject(UObject* AttachObject, FName AttachPointName);
 
    ENGINE_API void RemoveAttachedObject( UObject* ObjectToRemove, FName AttachName );
 
    ENGINE_API UObject* GetAttachedObjectByAttachName( FName AttachName ) const;
 
    ENGINE_API void ClearAllAttachedObjects();
 
    ENGINE_API int32 Num() const;
 
    ENGINE_API FPreviewAttachedObjectPair& operator[]( int32 i );
 
    ENGINE_API const FPreviewAttachedObjectPair& operator[](int32 i) const;
 
    ENGINE_API TConstIterator CreateConstIterator() const;
 
    ENGINE_API TIterator CreateIterator();
 
    ENGINE_API void RemoveAtSwap( int32 Index, EAllowShrinking AllowShrinking = EAllowShrinking::Default);
    ENGINE_API void RemoveAtSwap( int32 Index, int32 Count, EAllowShrinking AllowShrinking = EAllowShrinking::Default);
    UE_ALLOWSHRINKING_BOOL_DEPRECATED("RemoveAtSwap")
    inline void RemoveAtSwap(int32 Index, int32 Count, bool bAllowShrinking)
    {
        RemoveAtSwap(Index, Count, bAllowShrinking ? EAllowShrinking::Yes : EAllowShrinking::No);
    }
 
    ENGINE_API void SaveAttachedObjectsFromDeprecatedProperties();
 
    ENGINE_API int32 ValidatePreviewAttachedObjects();
 
private:
    UPROPERTY()
    TArray<FPreviewAttachedObjectPair> AttachedObjects;
};