StaticLightingBuildContext.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "UObject/Object.h"
#include "UObject/WeakObjectPtr.h"
#include "Misc/Guid.h"
 
class UMapBuildDataRegistry;
class ULevel;
class UWorld;
class AActor;
struct FVolumetricLightMapGridDesc;
class FPrecomputedVolumetricLightmapData;
struct FStaticLightingDescriptors;
 
#if WITH_EDITOR
class FStaticLightingBuildContext
{   
    mutable UMapBuildDataRegistry* MapBuildDataRegistry;
    
    TMap<FGuid, const TWeakObjectPtr<ULevel>> LevelGuids;
    
    FBox ImportanceBounds;
    FIntVector LocalToGlobalIndirectionOffset;
    FVolumetricLightMapGridDesc* VolumetricLightMapGridDesc;
 
    
public:
 
    FStaticLightingDescriptors* Descriptors;
    UWorld*                     World;
    ULevel*                     LightingScenario;
 
    ENGINE_API FStaticLightingBuildContext(UWorld* InWorld, ULevel* InLightingScenario);
    ENGINE_API FStaticLightingBuildContext(FStaticLightingBuildContext&& InFrom);
    ENGINE_API ~FStaticLightingBuildContext();
    
    ENGINE_API void SetImportanceBounds(const FBox& Bounds);
 
    ENGINE_API ULevel* GetLightingStorageLevel(ULevel* Level) const;
 
    ENGINE_API bool ShouldIncludeActor(AActor* Actor) const;
    ENGINE_API bool ShouldIncludeLevel(ULevel* Level) const;
 
    ENGINE_API UMapBuildDataRegistry* GetOrCreateGlobalRegistry() const;
    
    ENGINE_API UMapBuildDataRegistry* GetOrCreateRegistryForLevelGuid(const FGuid& Guid) const;
    ENGINE_API FGuid GetLevelGuidForActor(AActor* Actor) const;
    ENGINE_API FGuid GetPersistentLevelGuid() const;
    ENGINE_API FGuid GetLevelGuidForLevel(ULevel* Level) const;
    ENGINE_API FGuid GetLevelGuidForVLMBrick(const FIntVector& BrickCoordinates) const;
    ENGINE_API const TWeakObjectPtr<ULevel> GetLevelForGuid(const FGuid& Guid) const;
    ENGINE_API FGuid GetLevelBuildDataID(const FGuid& LevelGuid) const;
 
    ENGINE_API FPrecomputedVolumetricLightmapData& GetOrCreateLevelPrecomputedVolumetricLightmapBuildData(const FGuid& LevelId) const;
 
    FVolumetricLightMapGridDesc* GetVolumetricLightMapGridDesc() const { return VolumetricLightMapGridDesc; }
    void ReleaseVolumetricLightMapGridDesc() { VolumetricLightMapGridDesc = nullptr; }
 
    ENGINE_API UMapBuildDataRegistry* GetRegistryForLevel(ULevel* Level) const;
    ENGINE_API UMapBuildDataRegistry* GetOrCreateRegistryForActor(AActor* Actor) const;
    ENGINE_API UMapBuildDataRegistry* GetOrCreateRegistryForLevel(ULevel* Level) const; 
};
#endif // WITH_EDITOR