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501db0c0d2
Otherwise we can hit callbacks before editor has a chance to refresh, and crash on stale pointer access #jira UE-140971 #preflight 6202eb2a7e40979d33ba9fd7 #rb lauren.barnes #ROBOMERGE-OWNER: ben.ingram #ROBOMERGE-AUTHOR: ben.ingram #ROBOMERGE-SOURCE: CL 18913293 in //UE5/Release-5.0/... via CL 18919947 via CL 18920839 #ROBOMERGE-BOT: UE5 (Release-Engine-Test -> Main) (v916-18915374) [CL 18921506 by ben ingram in ue5-main branch]
318 lines
12 KiB
C++
318 lines
12 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 "IDetailPropertyRow.h"
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#include "IDetailTreeNode.h"
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#include "MaterialEditor/MaterialEditorInstanceConstant.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 "UObject/WeakObjectPtrTemplates.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 SMaterialLayersFunctionsInstanceTree;
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class UDEditorParameterValue;
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class UMaterialEditorInstanceConstant;
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class SMaterialLayersFunctionsInstanceTreeItem : public STableRow< TSharedPtr<FSortedParamData> >
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{
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public:
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SLATE_BEGIN_ARGS(SMaterialLayersFunctionsInstanceTreeItem)
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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(UMaterialEditorInstanceConstant*, MaterialEditorInstance)
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SLATE_ARGUMENT(SMaterialLayersFunctionsInstanceTree*, InTree)
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SLATE_END_ARGS()
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bool bIsBeingDragged;
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private:
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bool bIsHoveredDragTarget;
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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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public:
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void RefreshOnRowChange(const FAssetData& AssetData, SMaterialLayersFunctionsInstanceTree* InTree);
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bool GetFilterState(SMaterialLayersFunctionsInstanceTree* InTree, TSharedPtr<FSortedParamData> InStackData) const;
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void FilterClicked(const ECheckBoxState NewCheckedState, SMaterialLayersFunctionsInstanceTree* InTree, TSharedPtr<FSortedParamData> InStackData);
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ECheckBoxState GetFilterChecked(SMaterialLayersFunctionsInstanceTree* InTree, TSharedPtr<FSortedParamData> InStackData) const;
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FText GetLayerName(SMaterialLayersFunctionsInstanceTree* InTree, int32 Counter) const;
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void OnNameChanged(const FText& InText, ETextCommit::Type CommitInfo, SMaterialLayersFunctionsInstanceTree* InTree, int32 Counter);
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void OnLayerDragEnter(const FDragDropEvent& DragDropEvent)
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{
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if (StackParameterData->ParameterInfo.Index != 0)
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{
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bIsHoveredDragTarget = true;
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}
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}
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void OnLayerDragLeave(const FDragDropEvent& DragDropEvent)
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{
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bIsHoveredDragTarget = false;
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}
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void OnLayerDragDetected()
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{
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bIsBeingDragged = true;
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}
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FReply OnLayerDrop(const FDragDropEvent& DragDropEvent);
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void OnOverrideParameter(bool NewValue, class UDEditorParameterValue* Parameter);
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void OnOverrideParameter(bool NewValue, TObjectPtr<UDEditorParameterValue> Parameter);
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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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/** The node info to build the tree view row from. */
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TSharedPtr<FSortedParamData> StackParameterData;
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SMaterialLayersFunctionsInstanceTree* Tree;
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UMaterialEditorInstanceConstant* MaterialEditorInstance;
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FString GetInstancePath(SMaterialLayersFunctionsInstanceTree* InTree) const;
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};
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class SMaterialLayersFunctionsInstanceWrapper : public SCompoundWidget
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{
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public:
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SLATE_BEGIN_ARGS(SMaterialLayersFunctionsInstanceWrapper)
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: _InMaterialEditorInstance(nullptr),
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_InShowHiddenDelegate()
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{}
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SLATE_ARGUMENT(UMaterialEditorInstanceConstant*, InMaterialEditorInstance)
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SLATE_ARGUMENT(FGetShowHiddenParameters, InShowHiddenDelegate)
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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 SetEditorInstance(UMaterialEditorInstanceConstant* InMaterialEditorInstance);
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TAttribute<ECheckBoxState> IsParamChecked;
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TWeakObjectPtr<class UDEditorParameterValue> LayerParameter;
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class UMaterialEditorInstanceConstant* MaterialEditorInstance;
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TSharedPtr<class SMaterialLayersFunctionsInstanceTree> NestedTree;
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FSimpleDelegate OnLayerPropertyChanged;
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};
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class SMaterialLayersFunctionsInstanceTree : public STreeView<TSharedPtr<FSortedParamData>>
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{
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friend class SMaterialLayersFunctionsInstanceTreeItem;
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public:
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SLATE_BEGIN_ARGS(SMaterialLayersFunctionsInstanceTree)
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: _InMaterialEditorInstance(nullptr)
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{}
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SLATE_ARGUMENT(UMaterialEditorInstanceConstant*, InMaterialEditorInstance)
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SLATE_ARGUMENT(SMaterialLayersFunctionsInstanceWrapper*, InWrapper)
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SLATE_ARGUMENT(FGetShowHiddenParameters, InShowHiddenDelegate)
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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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void ShowHiddenValues(bool& bShowHiddenParameters) { bShowHiddenParameters = true; }
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TWeakObjectPtr<class UDEditorParameterValue> FunctionParameter;
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struct FMaterialLayersFunctions* FunctionInstance;
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TSharedPtr<IPropertyHandle> FunctionInstanceHandle;
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void RefreshOnAssetChange(const struct FAssetData& InAssetData, int32 Index, EMaterialParameterAssociation MaterialType);
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void ResetAssetToDefault(TSharedPtr<FSortedParamData> InData);
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void AddLayer();
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void RemoveLayer(int32 Index);
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FReply UnlinkLayer(int32 Index);
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FReply RelinkLayersToParent();
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EVisibility GetUnlinkLayerVisibility(int32 Index) const;
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EVisibility GetRelinkLayersToParentVisibility() const;
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FReply ToggleLayerVisibility(int32 Index);
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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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UMaterialEditorInstanceConstant* MaterialEditorInstance;
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/** Builds the custom parameter groups category */
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void CreateGroupsWidget();
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bool IsLayerVisible(int32 Index) const;
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SMaterialLayersFunctionsInstanceWrapper* GetWrapper() { return Wrapper; }
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TSharedRef<SWidget> CreateThumbnailWidget(EMaterialParameterAssociation InAssociation, int32 InIndex, float InThumbnailSize);
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void UpdateThumbnailMaterial(TEnumAsByte<EMaterialParameterAssociation> InAssociation, int32 InIndex, bool bAlterBlendIndex = false);
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FReply OnThumbnailDoubleClick(const FGeometry& Geometry, const FPointerEvent& MouseEvent, EMaterialParameterAssociation InAssociation, int32 InIndex);
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bool IsOverriddenExpression(class UDEditorParameterValue* Parameter, int32 InIndex);
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bool IsOverriddenExpression(TObjectPtr<UDEditorParameterValue> Parameter, int32 InIndex);
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FGetShowHiddenParameters GetShowHiddenDelegate() const;
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protected:
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void ShowSubParameters(TSharedPtr<FSortedParamData> ParentParameter);
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private:
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TArray<TSharedPtr<FSortedParamData>> LayerProperties;
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TArray<FUnsortedParamData> NonLayerProperties;
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FDetailColumnSizeData ColumnSizeData;
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SMaterialLayersFunctionsInstanceWrapper* Wrapper;
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TSharedPtr<class IPropertyRowGenerator> Generator;
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bool bLayerIsolated;
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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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class UMaterialEditorPreviewParameters;
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class SMaterialLayersFunctionsMaterialTree;
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//////////////////////////////// Material version
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class SMaterialLayersFunctionsMaterialTreeItem : public STableRow< TSharedPtr<FSortedParamData> >
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{
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public:
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SLATE_BEGIN_ARGS(SMaterialLayersFunctionsMaterialTreeItem)
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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(SMaterialLayersFunctionsMaterialTree*, InTree)
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SLATE_END_ARGS()
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FDetailColumnSizeData ColumnSizeData;
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bool bIsBeingDragged;
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private:
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bool bIsHoveredDragTarget;
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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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public:
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void RefreshOnRowChange(const FAssetData& AssetData, SMaterialLayersFunctionsMaterialTree* InTree);
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FText GetLayerName(SMaterialLayersFunctionsMaterialTree* InTree, int32 Counter) const;
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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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/** The node info to build the tree view row from. */
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TSharedPtr<FSortedParamData> StackParameterData;
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SMaterialLayersFunctionsMaterialTree* Tree;
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UMaterialEditorPreviewParameters* MaterialEditorInstance;
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FString GetInstancePath(SMaterialLayersFunctionsMaterialTree* InTree) const;
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};
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class SMaterialLayersFunctionsMaterialWrapper : public SCompoundWidget
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{
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public:
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SLATE_BEGIN_ARGS(SMaterialLayersFunctionsMaterialWrapper)
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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_END_ARGS()
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void Refresh();
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void Construct(const FArguments& InArgs);
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void SetEditorInstance(UMaterialEditorPreviewParameters* InMaterialEditorInstance);
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TSharedPtr<class IPropertyRowGenerator> GetGenerator();
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TWeakObjectPtr<class UDEditorParameterValue> LayerParameter;
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class UMaterialEditorPreviewParameters* MaterialEditorInstance;
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TSharedPtr<class SMaterialLayersFunctionsMaterialTree> NestedTree;
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private:
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TWeakPtr<class IPropertyRowGenerator> Generator;
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};
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class SMaterialLayersFunctionsMaterialTree : public STreeView<TSharedPtr<FSortedParamData>>
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{
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friend class SMaterialLayersFunctionsMaterialTreeItem;
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public:
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SLATE_BEGIN_ARGS(SMaterialLayersFunctionsMaterialTree)
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: _InMaterialEditorInstance(nullptr)
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{}
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SLATE_ARGUMENT(UMaterialEditorPreviewParameters*, InMaterialEditorInstance)
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SLATE_ARGUMENT(SMaterialLayersFunctionsMaterialWrapper*, InWrapper)
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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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void ShowHiddenValues(bool& bShowHiddenParameters) { bShowHiddenParameters = true; }
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TWeakObjectPtr<class UDEditorParameterValue> FunctionParameter;
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struct FMaterialLayersFunctions* FunctionInstance;
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TSharedPtr<IPropertyHandle> FunctionInstanceHandle;
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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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SMaterialLayersFunctionsMaterialWrapper* GetWrapper() { return Wrapper; }
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TSharedRef<SWidget> CreateThumbnailWidget(EMaterialParameterAssociation InAssociation, int32 InIndex, float InThumbnailSize);
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void UpdateThumbnailMaterial(TEnumAsByte<EMaterialParameterAssociation> InAssociation, int32 InIndex, bool bAlterBlendIndex = false);
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protected:
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void ShowSubParameters(TSharedPtr<FSortedParamData> ParentParameter);
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private:
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TArray<TSharedPtr<FSortedParamData>> LayerProperties;
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TArray<FUnsortedParamData> NonLayerProperties;
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FDetailColumnSizeData ColumnSizeData;
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SMaterialLayersFunctionsMaterialWrapper* Wrapper;
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};
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