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93 lines
4.0 KiB
C++
93 lines
4.0 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( 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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