LightmapVirtualTexture.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "Engine/Texture2D.h"
#include "LightmapVirtualTexture.generated.h"
 
enum class ELightMapVirtualTextureType
{
    LightmapLayer0,
    LightmapLayer1,
    ShadowMask,
    SkyOcclusion,
    AOMaterialMask,
 
    Count,
};
 
UCLASS(ClassGroup = Rendering, MinimalAPI)
class ULightMapVirtualTexture2D : public UTexture2D
{
    GENERATED_UCLASS_BODY()
 
    UPROPERTY(EditAnywhere, Category = VirtualTexture)
    TArray<int8> TypeToLayer;
 
    ENGINE_API void SetLayerForType(ELightMapVirtualTextureType InType, uint8 InLayer);
    ENGINE_API uint32 GetLayerForType(ELightMapVirtualTextureType InType) const;
 
    inline bool HasLayerForType(ELightMapVirtualTextureType InType) const { return GetLayerForType(InType) != ~0u; }
 
    bool bPreviewLightmap;
};