WorldPartitionRuntimeSpatialHashGridPreviewer.h

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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
 
#include "CoreMinimal.h"
#include "WorldPartitionRuntimeSpatialHashGridPreviewer.generated.h"
 
class APostProcessVolume;
class UMaterial;
class UMaterialInstanceDynamic;
struct FSpatialHashRuntimeGrid;
 
USTRUCT()
struct FWorldPartitionRuntimeSpatialHashGridPreviewer
{
    GENERATED_USTRUCT_BODY()
 
    ENGINE_API FWorldPartitionRuntimeSpatialHashGridPreviewer();
 
#if WITH_EDITOR
    ENGINE_API void Draw(UWorld* World, const TArray<FSpatialHashRuntimeGrid>& Grids, bool bEnabled, int32 PreviewGridLevel, bool bUseAlignedGridLevels = true);
#endif
 
#if WITH_EDITORONLY_DATA
    UPROPERTY()
    TObjectPtr<UMaterial> Material;
 
    UPROPERTY()
    TObjectPtr<UMaterialInstanceDynamic> MID;
 
    UPROPERTY()
    TObjectPtr<APostProcessVolume> Volume;
 
    bool bIsInitialized;
 
    struct FGridParametersCache
    {
        FGridParametersCache()
            : bEnabled(false)
            , CellSize(0)
            , LoadingRange(0.f)
            , GridColor(0.f, 0.f, 0.f, 0.f)
            , GridOffset(FVector::ZeroVector)
        {}
 
        bool bEnabled;
        int32 CellSize;
        float LoadingRange;
        FLinearColor GridColor;
        FVector GridOffset;
    };
 
    enum { MAX_PREVIEW_GRIDS = 4 };
    FGridParametersCache GridParameters[MAX_PREVIEW_GRIDS];
#endif
};