70 lines
2.6 KiB
C++
70 lines
2.6 KiB
C++
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// Copyright Epic Games, Inc. All Rights Reserved.
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#include "CoreMinimal.h"
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#include "UObject/ObjectMacros.h"
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#include "UObject/UnrealType.h"
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/*-----------------------------------------------------------------------------
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FWeakObjectProperty.
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-----------------------------------------------------------------------------*/
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IMPLEMENT_FIELD(FWeakObjectProperty)
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FString FWeakObjectProperty::GetCPPType(FString* ExtendedTypeText /*=NULL*/, uint32 CPPExportFlags /*=0*/) const
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{
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return GetCPPTypeCustom(ExtendedTypeText, CPPExportFlags,
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FString::Printf(TEXT("%s%s"), PropertyClass->GetPrefixCPP(), *PropertyClass->GetName()));
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}
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FString FWeakObjectProperty::GetCPPTypeCustom(FString* ExtendedTypeText, uint32 CPPExportFlags, const FString& InnerNativeTypeName) const
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{
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ensure(!InnerNativeTypeName.IsEmpty());
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if (PropertyFlags & CPF_AutoWeak)
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{
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return FString::Printf(TEXT("TAutoWeakObjectPtr<%s>"), *InnerNativeTypeName);
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}
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return FString::Printf(TEXT("TWeakObjectPtr<%s>"), *InnerNativeTypeName);
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}
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FString FWeakObjectProperty::GetCPPTypeForwardDeclaration() const
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{
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return FString::Printf(TEXT("class %s%s;"), PropertyClass->GetPrefixCPP(), *PropertyClass->GetName());
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}
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FString FWeakObjectProperty::GetCPPMacroType(FString& ExtendedTypeText) const
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{
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if (PropertyFlags & CPF_AutoWeak)
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{
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ExtendedTypeText = FString::Printf(TEXT("TAutoWeakObjectPtr<%s%s>"), PropertyClass->GetPrefixCPP(), *PropertyClass->GetName());
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return TEXT("AUTOWEAKOBJECT");
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}
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ExtendedTypeText = FString::Printf(TEXT("TWeakObjectPtr<%s%s>"), PropertyClass->GetPrefixCPP(), *PropertyClass->GetName());
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return TEXT("WEAKOBJECT");
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}
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void FWeakObjectProperty::SerializeItem(FStructuredArchive::FSlot Slot, void* Value, void const* Defaults) const
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{
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FArchive& UnderlyingArchive = Slot.GetUnderlyingArchive();
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UObject* ObjectValue = GetObjectPropertyValue(Value);
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Slot << *(FWeakObjectPtr*)Value;
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if ((UnderlyingArchive.IsLoading() || UnderlyingArchive.IsModifyingWeakAndStrongReferences()) && ObjectValue != GetObjectPropertyValue(Value))
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{
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CheckValidObject(Value);
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}
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}
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UObject* FWeakObjectProperty::GetObjectPropertyValue(const void* PropertyValueAddress) const
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{
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return GetPropertyValue(PropertyValueAddress).Get();
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}
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void FWeakObjectProperty::SetObjectPropertyValue(void* PropertyValueAddress, UObject* Value) const
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{
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SetPropertyValue(PropertyValueAddress, TCppType(Value));
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}
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uint32 FWeakObjectProperty::GetValueTypeHashInternal(const void* Src) const
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{
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return GetTypeHash(*(FWeakObjectPtr*)Src);
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}
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