NetConditionGroupManager.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Containers/Array.h"
#include "Containers/ArrayView.h"
#include "Containers/ContainerAllocationPolicies.h"
#include "Containers/Map.h"
#include "HAL/PlatformCrt.h"
#include "Templates/UnrealTemplate.h"
#include "UObject/NameTypes.h"
#include "UObject/ObjectKey.h"
 
class FArchive;
class UObject;
 
namespace UE::Net
{
    extern NETCORE_API const FName NetGroupOwner;
 
    extern NETCORE_API const FName NetGroupReplay;
 
    NETCORE_API bool IsSpecialNetConditionGroup(FName NetConditionGroup);
}
 
 
namespace UE::Net
{
 
class FNetConditionGroupManager
{
public:
 
    NETCORE_API void RegisterSubObjectInGroup(UObject* SubObject, FName NetConditionGroup);
 
    NETCORE_API void RegisterSubObjectInMultipleGroups(UObject* SubObject, TArrayView<FName> NetConditionGroups);
 
    NETCORE_API void UnregisterSubObjectFromGroup(UObject* SubObject, FName NetConditionGroup);
 
    NETCORE_API void UnregisterSubObjectFromMultipleGroups(UObject* SubObject, TArrayView<FName> NetConditionGroups);
 
    NETCORE_API void UnregisterSubObjectFromAllGroups(UObject* SubObject);
 
    TArrayView<const FName> GetSubObjectNetConditionGroups(FObjectKey SubObjectKey) const
    {
        const FSubObjectGroupInfo* GroupInfo = SubObjectGroupMap.Find(SubObjectKey);
        return GroupInfo ? TArrayView<const FName>(GroupInfo->NetGroups) : TArrayView<const FName>();
    }
 
    NETCORE_API void CountBytes(FArchive& Ar) const;
 
private:
 
#ifndef DEFAULT_NETGROUP_INLINE_SIZE
    // Sets the inlined array size of each subobject entry.  Configure it to the average groups the subobjects are registered to make them quicker to access.
    #define DEFAULT_NETGROUP_INLINE_SIZE 4
#endif
 
    struct FSubObjectGroupInfo
    {
        TArray<FName, TInlineAllocator<DEFAULT_NETGROUP_INLINE_SIZE>> NetGroups;
    };
 
    TMap<FObjectKey, FSubObjectGroupInfo> SubObjectGroupMap;
};
 
 
} // end namespace UE::Net