Files
UnrealEngine/Engine/Source/Editor/DetailCustomizations/Private/VectorStructCustomization.cpp
2025-05-18 13:04:45 +08:00

82 lines
2.6 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#include "Customizations/VectorStructCustomization.h"
#include "HAL/Platform.h"
#include "HAL/PlatformCrt.h"
#include "Misc/AssertionMacros.h"
#include "Misc/AxisDisplayInfo.h"
#include "PropertyHandle.h"
#include "UObject/NameTypes.h"
#include "UObject/UnrealType.h"
class IPropertyTypeCustomization;
namespace UE::Editor::DetailCustomizations::Private
{
static TAutoConsoleVariable<bool> ShowVector3Children(
TEXT("Editor.DetailCustomizations.ShowVector3Children"),
true,
TEXT("When true, the detail customizations for Vector3 variants expand to show children")
);
}
TSharedRef<IPropertyTypeCustomization> FVectorStructCustomization::MakeInstance()
{
return MakeShareable(new FVectorStructCustomization);
}
void FVectorStructCustomization::CustomizeChildren(TSharedRef<IPropertyHandle> StructPropertyHandle, IDetailChildrenBuilder& StructBuilder, IPropertyTypeCustomizationUtils& StructCustomizationUtils)
{
if (UE::Editor::DetailCustomizations::Private::ShowVector3Children.GetValueOnGameThread())
{
FMathStructCustomization::CustomizeChildren(StructPropertyHandle, StructBuilder, StructCustomizationUtils);
}
}
void FVectorStructCustomization::GetSortedChildren(TSharedRef<IPropertyHandle> StructPropertyHandle, TArray< TSharedRef<IPropertyHandle> >& OutChildren)
{
static const FName X("X");
static const FName Y("Y");
static const FName Z("Z");
TSharedPtr<IPropertyHandle> VectorChildren[3];
uint32 NumChildren;
StructPropertyHandle->GetNumChildren(NumChildren);
for (uint32 ChildIndex = 0; ChildIndex < NumChildren; ++ChildIndex)
{
TSharedRef<IPropertyHandle> ChildHandle = StructPropertyHandle->GetChildHandle(ChildIndex).ToSharedRef();
const FName PropertyName = ChildHandle->GetProperty()->GetFName();
if (PropertyName == X)
{
ChildHandle->SetPropertyDisplayName(AxisDisplayInfo::GetAxisDisplayName(EAxisList::X));
ChildHandle->SetToolTipText(AxisDisplayInfo::GetAxisDisplayName(EAxisList::X));
VectorChildren[0] = ChildHandle;
}
else if (PropertyName == Y)
{
ChildHandle->SetPropertyDisplayName(AxisDisplayInfo::GetAxisDisplayName(EAxisList::Y));
ChildHandle->SetToolTipText(AxisDisplayInfo::GetAxisDisplayName(EAxisList::Y));
VectorChildren[1] = ChildHandle;
}
else
{
check(PropertyName == Z);
ChildHandle->SetPropertyDisplayName(AxisDisplayInfo::GetAxisDisplayName(EAxisList::Z));
ChildHandle->SetToolTipText(AxisDisplayInfo::GetAxisDisplayName(EAxisList::Z));
VectorChildren[2] = ChildHandle;
}
}
OutChildren.Add(VectorChildren[0].ToSharedRef());
OutChildren.Add(VectorChildren[1].ToSharedRef());
OutChildren.Add(VectorChildren[2].ToSharedRef());
}