ObjectElementData.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Elements/Framework/TypedElementData.h"
#include "UObject/Object.h"
 
struct FTypedElementHandle;
 
struct FObjectElementData
{
    UE_DECLARE_TYPED_ELEMENT_DATA_RTTI(FObjectElementData);
 
    UObject* Object = nullptr;
};
 
template <>
inline FString GetTypedElementDebugId<FObjectElementData>(const FObjectElementData& InElementData)
{
    UObject* Object = InElementData.Object;
    return Object
        ? Object->GetFullName()
        : TEXT("null");
}
 
namespace ObjectElementDataUtil
{
 
ENGINE_API UObject* GetObjectFromHandle(const FTypedElementHandle& InHandle, const bool bSilent = false);
 
ENGINE_API UObject* GetObjectFromHandleChecked(const FTypedElementHandle& InHandle);
 
template <typename ElementHandleType>
TArray<UObject*> GetObjectsFromHandles(TArrayView<const ElementHandleType> InHandles, const bool bSilent = false)
{
    TArray<UObject*> Objects;
    Objects.Reserve(InHandles.Num());
 
    for (const FTypedElementHandle& Handle : InHandles)
    {
        if (UObject* Object = GetObjectFromHandle(Handle, bSilent))
        {
            Objects.Add(Object);
        }
    }
 
    return Objects;
}
 
template <typename ElementHandleType>
TArray<UObject*> GetObjectsFromHandlesChecked(TArrayView<const ElementHandleType> InHandles)
{
    TArray<UObject*> Objects;
    Objects.Reserve(InHandles.Num());
 
    for (const FTypedElementHandle& Handle : InHandles)
    {
        Objects.Add(GetObjectFromHandleChecked(Handle));
    }
 
    return Objects;
}
 
} // namespace ObjectElementDataUtil