MaterialExpressionVectorNoise.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 "MaterialExpressionVectorNoise.generated.h"
 
UENUM()
enum EVectorNoiseFunction : int
{
    VNF_CellnoiseALU UMETA(DisplayName = "Cellnoise"),
 
    VNF_VectorALU UMETA(DisplayName = "Perlin 3D Noise"),
 
    VNF_GradientALU UMETA(DisplayName = "Perlin Gradient"),
 
    VNF_CurlALU UMETA(DisplayName = "Perlin Curl"),
 
    VNF_VoronoiALU UMETA(DisplayName = "Voronoi"),
 
    VNF_MAX
};
 
UCLASS(MinimalAPI)
class UMaterialExpressionVectorNoise : public UMaterialExpression
{
    GENERATED_UCLASS_BODY()
 
    
    UPROPERTY()
    FExpressionInput Position;
 
    UPROPERTY(EditAnywhere, Category = MaterialExpressionVectorNoise)
    EPositionOrigin WorldPositionOriginType = EPositionOrigin::Absolute;
 
    UPROPERTY(EditAnywhere, Category = MaterialExpressionVectorNoise, meta = (DisplayName = "Function", ShowAsInputPin = "Advanced"))
    TEnumAsByte<enum EVectorNoiseFunction> NoiseFunction;
 
    UPROPERTY(EditAnywhere, Category=MaterialExpressionVectorNoise, meta=(UIMin = "1", UIMax = "4", ShowAsInputPin = "Advanced"))
    int32 Quality;
 
    UPROPERTY(EditAnywhere, Category = MaterialExpressionVectorNoise, meta = (ShowAsInputPin = "Advanced"))
    uint32 bTiling:1;
 
    UPROPERTY(EditAnywhere, Category = MaterialExpressionVectorNoise, meta=(UIMin = "4", ShowAsInputPin = "Advanced"))
    uint32 TileSize;
 
    //~ Begin UMaterialExpression Interface
#if WITH_EDITOR
    virtual void Build(MIR::FEmitter& Emitter) override;
    virtual bool CanEditChange(const FProperty* InProperty) const override;
    virtual FName GetInputName(int32 InputIndex) const override;
    virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent) override;
    virtual int32 Compile(class FMaterialCompiler* Compiler, int32 OutputIndex) override;
    virtual void GetCaption(TArray<FString>& OutCaptions) const override;
 
#endif
    //~ End UMaterialExpression Interface
};