TypedElementLimits.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreTypes.h"
#include "Math/NumericLimits.h"
 
#define UE_TYPED_ELEMENT_HAS_REFCOUNTING (1)
#define UE_TYPED_ELEMENT_HAS_REFTRACKING (UE_BUILD_DEBUG || UE_BUILD_DEVELOPMENT || WITH_EDITOR)
#define UE_TYPED_ELEMENT_HAS_REFERENCING (UE_TYPED_ELEMENT_HAS_REFCOUNTING || UE_TYPED_ELEMENT_HAS_REFTRACKING)
 
inline constexpr SIZE_T TypedHandleTypeIdBits = 8;
inline constexpr SIZE_T TypedHandleElementIdBits = 24;
 
inline constexpr SIZE_T TypedHandleTypeIdBytes = TypedHandleTypeIdBits >> 3;
inline constexpr SIZE_T TypedHandleElementIdBytes = TypedHandleElementIdBits >> 3;
 
inline constexpr SIZE_T TypedHandleMaxTypeId = ((SIZE_T)1 << TypedHandleTypeIdBits) - 1;
inline constexpr SIZE_T TypedHandleMaxElementId = ((SIZE_T)1 << TypedHandleElementIdBits) - 1;
 
inline constexpr SIZE_T TypedHandleRefTrackingSkipCount = 1;
inline constexpr SIZE_T TypedHandleRefTrackingDepth = 31;
 
using FTypedHandleTypeId = uint8;
using FTypedHandleElementId = int32;
using FTypedHandleCombinedId = uint32;
 
using FTypedElementRefCount = int32;
using FTypedElementReferenceId = int32;
 
static_assert(sizeof(FTypedHandleCombinedId) >= (TypedHandleTypeIdBytes + TypedHandleElementIdBytes), "FTypedHandleCombinedId is not large enough to hold the combination of TypedHandleTypeIdBytes and TypedHandleElementIdBytes!");
 
static_assert(TNumericLimits<FTypedHandleTypeId>::Max() >= TypedHandleMaxTypeId, "FTypedHandleTypeId is not large enough to hold TypedHandleMaxTypeId!");
static_assert(TNumericLimits<FTypedHandleElementId>::Max() >= TypedHandleMaxElementId, "FTypedHandleElementId is not large enough to hold TypedHandleMaxElementId!");