MaterialExpressionWorldPosition.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "Materials/MaterialExpression.h"
#include "MaterialExpressionWorldPosition.generated.h"
 
UENUM()
enum EWorldPositionIncludedOffsets : int
{
    WPT_Default UMETA(DisplayName="Absolute World Position (Including Material Shader Offsets)"),
 
    WPT_ExcludeAllShaderOffsets UMETA(DisplayName="Absolute World Position (Excluding Material Shader Offsets)"),
 
    WPT_CameraRelative UMETA(DisplayName="Camera Relative World Position (Including Material Shader Offsets)"),
 
    WPT_CameraRelativeNoOffsets UMETA(DisplayName="Camera Relative World Position (Excluding Material Shader Offsets)"),
 
    WPT_MAX
};
 
UCLASS(collapsecategories, hidecategories=Object, MinimalAPI)
class UMaterialExpressionWorldPosition : public UMaterialExpression
{
    GENERATED_UCLASS_BODY()
    
    UPROPERTY(EditAnywhere, Category=UMaterialExpressionWorldPosition, meta=(DisplayName = "Shader Offsets", ShowAsInputPin = "Advanced"))
    TEnumAsByte<EWorldPositionIncludedOffsets> WorldPositionShaderOffset = WPT_Default;
    
    //~ 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 FText GetKeywords() const override {return FText::FromString(TEXT("position"));}
#endif
    //~ End UMaterialExpression Interface
};