QuantizedObjectReference.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
// Note: This is intended for internal use and should not be included or used outside of NetSerializers having to deal with object references.
 
#include "Iris/Core/NetObjectReference.h"
#include "Templates/IsPODType.h"
 
namespace UE::Net
{
 
class FNetSerializationContext;
struct FNetSerializerBaseArgs;
 
struct FQuantizedRemoteObjectReference;
 
// The quantized state can hold either an FNetObjectReference or a FQuantizedRemoteObjectReference.
// The FQuantizedRemoteObjectReference is stored as dynamic state in order to reduce required size
// when it's not used.
// If RemoteReferencePtr is null, this state is using the FNetObjectReference.
// If RemoteReferencePtr is non-null, this state is using the remote reference.
struct FQuantizedObjectReference
{
    // Assign an FNetObjectReference to this state. Called from within serializer functions.
    void SetNetReference(FNetSerializationContext& Context, const FNetSerializerBaseArgs& Args, const FNetObjectReference& InNetReference)
    {
        FreeRemoteReference(Context, Args);
        NetReference = InNetReference;
    }
 
    bool IsNetReference() const
    {
        return !IsRemoteReference();
    }
 
    bool IsRemoteReference() const
    {
        return RemoteReferencePtr != nullptr;
    }
 
    bool operator==(const FQuantizedObjectReference& RHS) const;
    bool IsValid() const;
    void FreeRemoteReference(FNetSerializationContext& Context, const FNetSerializerBaseArgs& Args);
    FString ToString() const;
 
    FNetObjectReference NetReference;
    FQuantizedRemoteObjectReference* RemoteReferencePtr = nullptr;
};
 
}
 
template <> struct TIsPODType<UE::Net::FQuantizedObjectReference> { enum { Value = true }; };