ActorElementData.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Elements/Framework/TypedElementData.h"
#include "UObject/Object.h"
#include "UObject/WeakObjectPtr.h"
 
class AActor;
struct FTypedElementHandle;
 
struct FActorElementData
{
    UE_DECLARE_TYPED_ELEMENT_DATA_RTTI(FActorElementData);
 
    ENGINE_API FActorElementData();
    ENGINE_API ~FActorElementData();
    ENGINE_API FActorElementData(const FActorElementData& Other);
    ENGINE_API FActorElementData(FActorElementData&& Other);
    ENGINE_API FActorElementData& operator=(const FActorElementData& Other);
    ENGINE_API FActorElementData& operator=(FActorElementData&& Other);
 
    UE_DEPRECATED(5.7, "Use ActorWeak")
    AActor* Actor = nullptr;
 
    TWeakObjectPtr<AActor> ActorWeak;
};
 
template<> ENGINE_API FString GetTypedElementDebugId<FActorElementData>(const FActorElementData& InElementData);
 
namespace ActorElementDataUtil
{
 
ENGINE_API AActor* GetActorFromHandle(const FTypedElementHandle& InHandle, const bool bSilent = false);
 
ENGINE_API AActor* GetActorFromHandleChecked(const FTypedElementHandle& InHandle);
 
template <typename ElementHandleType>
TArray<AActor*> GetActorsFromHandles(TArrayView<const ElementHandleType> InHandles, const bool bSilent = false)
{
    TArray<AActor*> Actors;
    Actors.Reserve(InHandles.Num());
 
    for (const FTypedElementHandle& Handle : InHandles)
    {
        if (AActor* Actor = GetActorFromHandle(Handle, bSilent))
        {
            Actors.Add(Actor);
        }
    }
 
    return Actors;
}
 
template <typename ElementHandleType>
TArray<AActor*> GetActorsFromHandlesChecked(TArrayView<const ElementHandleType> InHandles)
{
    TArray<AActor*> Actors;
    Actors.Reserve(InHandles.Num());
 
    for (const FTypedElementHandle& Handle : InHandles)
    {
        Actors.Add(GetActorFromHandleChecked(Handle));
    }
 
    return Actors;
}
 
} // namespace ActorElementDataUtil