MaterialExpressionBlend.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "MaterialExpressionIO.h"
#include "Materials/MaterialExpression.h"
#include "MaterialExpressionBlend.generated.h"
 
UENUM()
enum class EMaterialExpressionBlendMode : uint8
{
    Blend,
    UseA,
    UseB,
};
 
UCLASS(MinimalAPI, CollapseCategories, HideCategories = Object, meta=(NewMaterialTranslator))
class UMaterialExpressionBlend : public UMaterialExpression
{
    GENERATED_BODY()
 
public:
    UPROPERTY()
    FExpressionInput A;
 
    UPROPERTY()
    FExpressionInput B;
 
    UPROPERTY()
    FExpressionInput Alpha;
 
    UPROPERTY(EditAnywhere, Category=MaterialExpressionBlend)
    EMaterialExpressionBlendMode PixelAttributesBlendMode;
    
    UPROPERTY(EditAnywhere, Category=MaterialExpressionBlend)
    EMaterialExpressionBlendMode VertexAttributesBlendMode;
 
#if WITH_EDITOR
    //~ Begin UMaterialExpression Interface
    virtual void                GetCaption(TArray<FString>& OutCaptions) const override;
    virtual EMaterialValueType  GetInputValueType(int32 InputIndex) override;
    virtual EMaterialValueType  GetOutputValueType(int32 OutputIndex) override;
    virtual void                Build(MIR::FEmitter& Emitter) override;
    //~ End UMaterialExpression Interface
#endif // WITH_EDITOR
};