161 lines
5.1 KiB
C++
161 lines
5.1 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "DetailColumnSizeData.h"
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#include "Engine/EngineTypes.h"
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#include "IDetailTreeNode.h"
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#include "MaterialEditorDelegates.h"
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#include "MaterialPropertyHelpers.h"
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#include "Materials/Material.h"
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#include "PropertyCustomizationHelpers.h"
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#include "UObject/Object.h"
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#include "UObject/ObjectMacros.h"
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#include "Widgets/DeclarativeSyntaxSupport.h"
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#include "Widgets/SCompoundWidget.h"
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#include "Widgets/Views/STreeView.h"
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class IPropertyHandle;
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class SMaterialParametersOverviewTree;
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class UMaterialEditorPreviewParameters;
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// ********* SMaterialParametersOverviewTreeItem *******
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class SMaterialParametersOverviewTreeItem : public STableRow< TSharedPtr<FSortedParamData> >
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{
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public:
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SLATE_BEGIN_ARGS(SMaterialParametersOverviewTreeItem)
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: _StackParameterData(nullptr),
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_MaterialEditorInstance(nullptr)
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{}
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/** The item content. */
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SLATE_ARGUMENT(TSharedPtr<FSortedParamData>, StackParameterData)
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SLATE_ARGUMENT(UMaterialEditorPreviewParameters*, MaterialEditorInstance)
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SLATE_ARGUMENT(TSharedPtr<SMaterialParametersOverviewTree>, InTree)
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SLATE_END_ARGS()
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void RefreshOnRowChange(const FAssetData& AssetData, TSharedPtr<SMaterialParametersOverviewTree> InTree);
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/**
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* Construct the widget
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*
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* @param InArgs A declaration from which to construct the widget
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*/
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void Construct(const FArguments& InArgs, const TSharedRef<STableViewBase>& InOwnerTableView);
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private:
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FString GetCurvePath(class UDEditorScalarParameterValue* Parameter) const;
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const FSlateBrush* GetBorderImage() const;
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FSlateColor GetOuterBackgroundColor(TSharedPtr<FSortedParamData> InParamData) const;
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private:
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/** The node info to build the tree view row from. */
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TSharedPtr<FSortedParamData> StackParameterData;
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/** The tree that contains this item */
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TWeakPtr<SMaterialParametersOverviewTree> Tree;
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/** The set of material parameters this is associated with */
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UMaterialEditorPreviewParameters* MaterialEditorInstance;
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};
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// ********* SMaterialParametersOverviewPanel *******
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class SMaterialParametersOverviewPanel : public SCompoundWidget
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{
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public:
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SLATE_BEGIN_ARGS(SMaterialParametersOverviewPanel)
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: _InMaterialEditorInstance(nullptr)
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, _InGenerator()
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{}
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SLATE_ARGUMENT(UMaterialEditorPreviewParameters*, InMaterialEditorInstance)
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SLATE_ARGUMENT(TSharedPtr<class IPropertyRowGenerator>, InGenerator)
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SLATE_EVENT(FSelectMaterialNode, SelectMaterialNode)
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SLATE_END_ARGS()
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void Refresh();
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void Construct(const FArguments& InArgs);
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void UpdateEditorInstance(UMaterialEditorPreviewParameters* InMaterialEditorInstance);
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TSharedPtr<class IPropertyRowGenerator> GetGenerator();
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private:
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const FSlateBrush* GetBackgroundImage() const;
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int32 GetPanelIndex() const;
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private:
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/** The set of material parameters this is associated with */
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class UMaterialEditorPreviewParameters* MaterialEditorInstance;
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/** The tree contained in this item */
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TSharedPtr<class SMaterialParametersOverviewTree> NestedTree;
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TSharedPtr<class SScrollBar> ExternalScrollbar;
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TWeakPtr<class IPropertyRowGenerator> Generator;
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};
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// ********* SMaterialParametersOverviewTree *******
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class SMaterialParametersOverviewTree : public STreeView<TSharedPtr<FSortedParamData>>
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{
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friend class SMaterialParametersOverviewTreeItem;
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public:
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SLATE_BEGIN_ARGS(SMaterialParametersOverviewTree)
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: _InMaterialEditorInstance(nullptr)
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, _InOwner(nullptr)
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, _InScrollbar()
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{}
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SLATE_ARGUMENT(UMaterialEditorPreviewParameters*, InMaterialEditorInstance)
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SLATE_ARGUMENT(TSharedPtr<SMaterialParametersOverviewPanel>, InOwner)
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SLATE_ARGUMENT(TSharedPtr<SScrollBar>, InScrollbar)
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SLATE_EVENT(FSelectMaterialNode, SelectMaterialNode)
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SLATE_END_ARGS()
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/** Constructs this widget with InArgs */
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void Construct(const FArguments& InArgs);
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TSharedRef< ITableRow > OnGenerateRowMaterialLayersFunctionsTreeView(TSharedPtr<FSortedParamData> Item, const TSharedRef< STableViewBase >& OwnerTable);
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void OnGetChildrenMaterialLayersFunctionsTreeView(TSharedPtr<FSortedParamData> InParent, TArray< TSharedPtr<FSortedParamData> >& OutChildren);
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void OnExpansionChanged(TSharedPtr<FSortedParamData> Item, bool bIsExpanded);
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void SetParentsExpansionState();
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TSharedPtr<class FAssetThumbnailPool> GetTreeThumbnailPool();
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/** Object that stores all of the possible parameters we can edit */
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UMaterialEditorPreviewParameters* MaterialEditorInstance;
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/** Builds the custom parameter groups category */
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void CreateGroupsWidget();
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TWeakPtr<SMaterialParametersOverviewPanel> GetOwner() { return Owner; }
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bool HasAnyParameters() const { return bHasAnyParameters; }
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FDetailColumnSizeData& GetColumnSizeData() { return ColumnSizeData; }
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virtual bool Private_OnItemDoubleClicked(TSharedPtr<FSortedParamData> TheItem) override;
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protected:
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void ShowSubParameters();
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private:
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TArray<TSharedPtr<FSortedParamData>> SortedParameters;
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TArray<FUnsortedParamData> UnsortedParameters;
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TWeakPtr<SMaterialParametersOverviewPanel> Owner;
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bool bHasAnyParameters;
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FDetailColumnSizeData ColumnSizeData;
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/** Called when a node should be selected in the material editor. */
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FSelectMaterialNode SelectMaterialNodeDelegate;
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};
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