MaterialExpressionIf.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 "MaterialValueType.h"
#include "Materials/MaterialExpression.h"
#include "MaterialExpressionIf.generated.h"
 
UCLASS(collapsecategories, hidecategories=Object, MinimalAPI)
class UMaterialExpressionIf : public UMaterialExpression
{
    GENERATED_BODY()
 
public:
 
    UPROPERTY()
    FExpressionInput A;
 
    UPROPERTY(meta = (RequiredInput = "false", ToolTip = "Defaults to 'ConstB' if not specified"))
    FExpressionInput B;
 
    UPROPERTY()
    FExpressionInput AGreaterThanB;
 
    UPROPERTY(meta = (RequiredInput = "false", ToolTip = "Defaults to 'A > B' if not specified"))
    FExpressionInput AEqualsB;
 
    UPROPERTY()
    FExpressionInput ALessThanB;
 
    UPROPERTY(EditAnywhere, Category=MaterialExpressionIf, meta = (ShowAsInputPin = "Advanced"))
    float EqualsThreshold = 0.00001f;
 
    UPROPERTY(EditAnywhere, Category = MaterialExpressionIf, meta = (OverridingInputProperty = "B"))
    float ConstB = 0.0f;
 
    UPROPERTY()
    float ConstAEqualsB_DEPRECATED;
 
    //~ Begin UMaterialExpression Interface
#if WITH_EDITOR
    virtual void Build(MIR::FEmitter& Emitter) override;
    virtual int32 Compile(class FMaterialCompiler* Compiler, int32 OutputIndex) override;
    virtual void GetCaption(TArray<FString>& OutCaptions) const override;
    virtual EMaterialValueType GetInputValueType(int32 InputIndex) override;
    virtual EMaterialValueType GetOutputValueType(int32 InputIndex) override {return MCT_Unknown;}
    virtual bool IsResultMaterialAttributes(int32 OutputIndex) override;
#endif
    //~ End UMaterialExpression Interface
};