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#rnx #rb none #ROBOMERGE-SOURCE: CL 10869241 via CL 10869527 via CL 10869904 #ROBOMERGE-BOT: (v613-10869866) [CL 10870586 by ryan durand in Main branch]
61 lines
2.3 KiB
C++
61 lines
2.3 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#include "MaterialShadingModelCustomization.h"
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#include "IPropertyUtilities.h"
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#include "PropertyRestriction.h"
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#include "Engine/EngineTypes.h"
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#include "IDetailChildrenBuilder.h"
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#include "DetailLayoutBuilder.h"
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#include "DetailCategoryBuilder.h"
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#include "DetailWidgetRow.h"
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#include "IDetailPropertyRow.h"
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#include "PropertyCustomizationHelpers.h"
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#include "MaterialEditor/MaterialEditorInstanceConstant.h"
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#include "Materials/Material.h"
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TSharedRef<IPropertyTypeCustomization> FMaterialShadingModelCustomization::MakeInstance()
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{
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return MakeShareable( new FMaterialShadingModelCustomization );
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}
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void FMaterialShadingModelCustomization::CustomizeHeader(TSharedRef<IPropertyHandle> PropertyHandle, class FDetailWidgetRow& HeaderRow, IPropertyTypeCustomizationUtils& CustomizationUtils)
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{
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// Hide special value by default
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bool bShouldHideFromMaterialExpression = true;
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// This piece of code enables the use of the Shading Model material output pin through selecting "From Material Expression" in the Shading Model drop down menu.
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if (PropertyHandle->GetNumOuterObjects() == 1)
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{
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TArray<UObject*> OuterObjects;
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PropertyHandle->GetOuterObjects(OuterObjects);
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// Don't hide MSM_FromMaterialExpression on a UMaterial or on UMaterialEditorInstanceConstant
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if (OuterObjects[0]->IsA<UMaterial>() || OuterObjects[0]->IsA<UMaterialEditorInstanceConstant>())
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{
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bShouldHideFromMaterialExpression = false;
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}
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}
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// Add restrictin to property if asked for
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if (bShouldHideFromMaterialExpression)
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{
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TSharedPtr<FPropertyRestriction> EnumRestriction = MakeShareable(new FPropertyRestriction(NSLOCTEXT("MaterialShadingModel", "FromMaterialExpression", "FromMaterialExpression is only available on UMaterial")));
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const UEnum* const MaterialShadingModelEnum = StaticEnum<EMaterialShadingModel>();
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EnumRestriction->AddHiddenValue(MaterialShadingModelEnum->GetNameStringByValue((int64)EMaterialShadingModel::MSM_FromMaterialExpression));
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PropertyHandle->AddRestriction(EnumRestriction.ToSharedRef());
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}
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// Implement the copmbobox for the enum
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HeaderRow
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.NameContent()
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[
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PropertyHandle->CreatePropertyNameWidget()
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]
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.ValueContent()
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.MinDesiredWidth(150.0f) // To fit the longer names
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.MaxDesiredWidth(0.0f) // Don't care
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[
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PropertyCustomizationHelpers::MakePropertyComboBox(PropertyHandle)
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];
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}
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