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[UETOOL-125] - Have the "return to defaults" arrow on a brush's texture actually go back to the size of the texture #change Customization of property rows now supports passing reset to default customizations to child properties so that structs like vectors can have their components handled by the same custom handler as the parent. Properties identify themselves by passing their handle to the delegate. #change Reset to default is now set on properties using FResetToDefaultOverride class containing the delegates and ovrride behaviors. #change Slate brush customization sets custom reset behavior on the Image Size property and uses the texture size as the default size. #codereview matt.kuhlenschmidt [CL 2644978 by Chris Wood in Main branch]
93 lines
4.1 KiB
C++
93 lines
4.1 KiB
C++
// Copyright 1998-2015 Epic Games, Inc. All Rights Reserved.
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#pragma once
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DECLARE_DELEGATE_OneParam(FGetShowHiddenParameters, bool&);
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/*-----------------------------------------------------------------------------
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FMaterialInstanceParameterDetails
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-----------------------------------------------------------------------------*/
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class FMaterialInstanceParameterDetails : public IDetailCustomization
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{
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public:
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/** Makes a new instance of this detail layout class for a specific detail view requesting it */
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static TSharedRef<class IDetailCustomization> MakeInstance(UMaterialEditorInstanceConstant* MaterialInstance, FGetShowHiddenParameters InShowHiddenDelegate);
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/** Constructor */
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FMaterialInstanceParameterDetails(UMaterialEditorInstanceConstant* MaterialInstance, FGetShowHiddenParameters InShowHiddenDelegate);
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/** IDetailCustomization interface */
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virtual void CustomizeDetails(IDetailLayoutBuilder& DetailLayout) override;
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static TOptional<float> OnGetValue(TSharedRef<IPropertyHandle> PropertyHandle);
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static void OnValueCommitted(float NewValue, ETextCommit::Type CommitType, TSharedRef<IPropertyHandle> PropertyHandle);
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private:
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/** Builds the custom parameter groups category */
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void CreateGroupsWidget(TSharedRef<IPropertyHandle> ParameterGroupsProperty, class IDetailCategoryBuilder& GroupsCategory);
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/** Builds the widget for an individual parameter group */
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void CreateSingleGroupWidget(struct FEditorParameterGroup& ParameterGroup, TSharedPtr<IPropertyHandle> ParameterGroupProperty, class IDetailGroup& DetailGroup );
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/** These methods generate the custom widgets for the various parameter types */
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void CreateParameterValueWidget(class UDEditorParameterValue* Parameter, TSharedPtr<IPropertyHandle> ParameterProperty, IDetailGroup& DetailGroup );
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void CreateMaskParameterValueWidget(class UDEditorParameterValue* Parameter, TSharedPtr<IPropertyHandle> ParameterProperty, IDetailGroup& DetailGroup );
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/** Returns true if the parameter is in the visible expressions list */
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bool IsVisibleExpression(class UDEditorParameterValue* Parameter);
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/** Returns true if the parameter should be displayed */
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EVisibility ShouldShowExpression(class UDEditorParameterValue* Parameter) const;
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/** Returns true if the parameter is being overridden */
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bool IsOverriddenExpression(class UDEditorParameterValue* Parameter);
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/** Gets the expression description of this parameter from the the base material */
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FText GetParameterExpressionDescription(class UDEditorParameterValue* Parameter) const;
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/**
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* Called when a parameter is overridden;
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*/
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void OnOverrideParameter(bool NewValue, class UDEditorParameterValue* Parameter);
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/** Called when an asset is set as a parent */
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bool OnShouldSetAsset(const FAssetData& InAssetData) const;
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/** Reset to default implementation. Resets Parameter to default */
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void ResetToDefault(TSharedRef<IPropertyHandle> PropertyHandle, class UDEditorParameterValue* Parameter);
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/** Returns true if the refraction options should be displayed */
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EVisibility ShouldShowMaterialRefractionSettings() const;
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/** Returns true if the refraction options should be displayed */
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EVisibility ShouldShowSubsurfaceProfile() const;
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//Functions supporting BasePropertyOverrides
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/** Creates all the base property override widgets. */
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void CreateBasePropertyOverrideWidgets(IDetailLayoutBuilder& DetailLayout);
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bool OverrideOpacityClipMaskValueEnabled() const;
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bool OverrideBlendModeEnabled() const;
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bool OverrideShadingModelEnabled() const;
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bool OverrideTwoSidedEnabled() const;
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bool OverrideDitheredLODTransitionEnabled() const;
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void OnOverrideOpacityClipMaskValueChanged(bool NewValue);
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void OnOverrideBlendModeChanged(bool NewValue);
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void OnOverrideShadingModelChanged(bool NewValue);
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void OnOverrideTwoSidedChanged(bool NewValue);
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void OnOverrideDitheredLODTransitionChanged(bool NewValue);
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private:
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/** Object that stores all of the possible parameters we can edit */
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UMaterialEditorInstanceConstant* MaterialEditorInstance;
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/** Delegate to call to determine if hidden parameters should be shown */
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FGetShowHiddenParameters ShowHiddenDelegate;
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};
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