Files
UnrealEngine/Engine/Plugins/ChaosClothAssetEditor/Source/ChaosClothAssetDataflowNodes/Private/ChaosClothAsset/WeightedValueCustomization.h
2025-05-18 13:04:45 +08:00

60 lines
2.3 KiB
C++

// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "ChaosClothAsset/ConnectableValueCustomization.h"
template <typename OptionalType> struct TOptional;
namespace UE::Chaos::ClothAsset
{
/**
* Customization for all property that also uses weight maps.
* Works like a FMathStructCustomization with the difference that
* the structure member short names are displayed in the header's row.
*/
class FWeightedValueCustomization
: public FConnectableValueCustomization
{
public:
static TSharedRef<IPropertyTypeCustomization> MakeInstance();
FWeightedValueCustomization();
virtual ~FWeightedValueCustomization() override;
protected:
//~ Begin IPropertyTypeCustomization implementation
virtual void CustomizeChildren(
TSharedRef<IPropertyHandle> PropertyHandle,
IDetailChildrenBuilder& ChildBuilder,
IPropertyTypeCustomizationUtils& CustomizationUtils)
{
// Skip the FConnectableValueCustomization implementation that doesn't display children
FImportedValueCustomization::CustomizeChildren(PropertyHandle, ChildBuilder, CustomizationUtils);
}
//~ End IPropertyTypeCustomization implementation
//~ Begin FMathStructCustomization implementation
virtual void MakeHeaderRow(TSharedRef<class IPropertyHandle>& StructPropertyHandle, FDetailWidgetRow& Row) override;
virtual TSharedRef<SWidget> MakeChildWidget(TSharedRef<IPropertyHandle>& StructurePropertyHandle, TSharedRef<IPropertyHandle>& PropertyHandle) override;
//~ End FMathStructCustomization implementation
private:
static void ExtractFloatMetadata(
TSharedRef<IPropertyHandle>& PropertyHandle,
TOptional<float>& MinValue,
TOptional<float>& MaxValue,
TOptional<float>& SliderMinValue,
TOptional<float>& SliderMaxValue,
float& SliderExponent,
float& Delta,
float& ShiftMultiplier,
float& CtrlMultiplier,
bool& SupportDynamicSliderMaxValue,
bool& SupportDynamicSliderMinValue);
TSharedRef<SWidget> MakeFloatWidget(TSharedRef<IPropertyHandle>& StructurePropertyHandle, TSharedRef<IPropertyHandle>& PropertyHandle);
void OnDynamicSliderMaxValueChanged(float NewMaxSliderValue, TWeakPtr<SWidget> InValueChangedSourceWidget, bool IsOriginator, bool UpdateOnlyIfHigher);
void OnDynamicSliderMinValueChanged(float NewMinSliderValue, TWeakPtr<SWidget> InValueChangedSourceWidget, bool IsOriginator, bool UpdateOnlyIfLower);
};
}