ModelLight.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
/*=============================================================================
    ModelLight.h: Unreal model lighting.
=============================================================================*/
 
#pragma once
 
#include "CoreMinimal.h"
#include "StaticLighting.h"
#include "Model.h"
 
class FShadowMapData2D;
class ULevel;
class ULightComponent;
class UModelComponent;
struct FQuantizedLightmapData;
 
class FBSPSurfaceStaticLighting : public FStaticLightingTextureMapping, public FStaticLightingMesh
{
public:
 
    const FNodeGroup* NodeGroup;
 
    bool bComplete;
 
    TMap<ULightComponent*,FShadowMapData2D*> ShadowMapData;
 
    FQuantizedLightmapData* QuantizedData;
 
    FIntRect MappedRect;
 
    ENGINE_API FBSPSurfaceStaticLighting(
        const FNodeGroup* InNodeGroup,
        UModel* Model,
        UModelComponent* Component
        );
 
    // FStaticLightingMesh interface.
    virtual void GetTriangle(int32 TriangleIndex,FStaticLightingVertex& OutV0,FStaticLightingVertex& OutV1,FStaticLightingVertex& OutV2) const override;
    virtual void GetTriangleIndices(int32 TriangleIndex,int32& OutI0,int32& OutI1,int32& OutI2) const override;
    virtual FLightRayIntersection IntersectLightRay(const FVector& Start,const FVector& End,bool bFindNearestIntersection) const override;
    //FStaticLightingTextureMapping interface.
 
    virtual bool IsInstancedMesh() const override { return false; }
 
    virtual bool IsValidMapping() const override
    {
        return Model.IsValid() && !Model->bInvalidForStaticLighting;
    }
 
#if WITH_EDITOR
    virtual void Apply(FQuantizedLightmapData* QuantizedData, const TMap<ULightComponent*,FShadowMapData2D*>& ShadowMapData, const FStaticLightingBuildContext* LightingContext) override;
    virtual bool DebugThisMapping() const override;
 
    UNREALED_API virtual void ExportMapping(class FLightmassExporter* Exporter) override;
#endif  //WITH_EDITOR
 
    virtual const FGuid& GetLightingGuid() const override
    {
        return Guid;
    }
 
    virtual FString GetDescription() const override
    {
        return FString(TEXT("BSPMapping"));
    }
 
    const UModel* GetModel() const
    {
        return Model.Get();
    }
 
#if WITH_EDITOR
    UNREALED_API virtual UObject* GetMappedObject() const override;
#endif  //WITH_EDITOR
 
private:
 
    TWeakObjectPtr<UModel> Model;
};