78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
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// Copyright Epic Games, Inc. All Rights Reserved.
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/**
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* MaterialEditorInstanceConstant.h: This class is used by the material instance editor to hold a set of inherited parameters which are then pushed to a material instance.
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*/
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#pragma once
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#include "CoreMinimal.h"
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#include "UObject/ObjectMacros.h"
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#include "UObject/Object.h"
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#include "Misc/Guid.h"
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#include "StaticParameterSet.h"
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#include "Editor/UnrealEdTypes.h"
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#include "Materials/MaterialInstanceBasePropertyOverrides.h"
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#include "MaterialEditorInstanceConstant.h"
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#include "MaterialEditorPreviewParameters.generated.h"
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class UDEditorParameterValue;
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class UMaterial;
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class UMaterialInstanceConstant;
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struct FPropertyChangedEvent;
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UCLASS(hidecategories = Object, collapsecategories)
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class UNREALED_API UMaterialEditorPreviewParameters: public UObject
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{
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GENERATED_BODY()
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public:
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UPROPERTY(EditAnywhere, editfixedsize, Category = UMaterialEditorPreviewParameters)
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TArray<struct FEditorParameterGroup> ParameterGroups;
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UPROPERTY()
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class UMaterial* PreviewMaterial;
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UPROPERTY()
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class UMaterialFunction* OriginalFunction;
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UPROPERTY()
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class UMaterial* OriginalMaterial;
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#if WITH_EDITORONLY_DATA
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UPROPERTY()
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TArray<class UMaterialInstanceConstant*> StoredLayerPreviews;
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UPROPERTY()
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TArray<class UMaterialInstanceConstant*> StoredBlendPreviews;
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#endif
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//~ Begin UObject Interface.
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virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent) override;
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#if WITH_EDITOR
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virtual void PostEditUndo() override;
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#endif
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//~ End UObject Interface.
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/** Regenerates the parameter arrays. */
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void RegenerateArrays();
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protected:
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/** Copies the parameter array values back to the source instance. */
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void CopyToSourceInstance();
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void ApplySourceFunctionChanges();
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/**
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* Creates/adds value to group retrieved from parent material .
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*
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* @param ParentMaterial Name of material to search for groups.
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* @param ParameterValue Current data to be grouped
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* @param OptionalGroupName Optional Group Name that be used directly instead of resolving it from the material
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*/
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void AssignParameterToGroup(UMaterial* ParentMaterial, UDEditorParameterValue* ParameterValue, FName* OptionalGroupName = nullptr);
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static FName GlobalGroupPrefix;
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};
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