Interface_PostProcessVolume.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "UObject/Interface.h"
#include "Interface_PostProcessVolume.generated.h"
 
#define DEBUG_POST_PROCESS_VOLUME_ENABLE (!(UE_BUILD_SHIPPING))
 
struct FPostProcessSettings;
 
struct FPostProcessVolumeProperties
{
    const FPostProcessSettings* Settings;
    float Priority;
    float BlendRadius;
    float BlendWeight;
    bool bIsEnabled;
    bool bIsUnbound;
 
    // Size (volume of the PPV's bounding box), is used as an additional sort key if Priority is equal.  Smaller volumes take higher
    // priority.  Unbounded volumes are treated as having max volume.  If volume is also equal, an arbitrary guid is used as a final
    // sort key.  The goal is to improve determinism in the order equal Priority volumes are processed, which otherwise is affected
    // by the order in which they were loaded, which can vary between editor and engine, platform, and due to streaming.
    double Size = DBL_MAX;
    FGuid VolumeGuid;
};
 
UINTERFACE(MinimalAPI, meta = (CannotImplementInterfaceInBlueprint))
class UInterface_PostProcessVolume : public UInterface
{
    GENERATED_UINTERFACE_BODY()
};
 
class IInterface_PostProcessVolume
{
    GENERATED_IINTERFACE_BODY()
 
    virtual bool EncompassesPoint(FVector Point, float SphereRadius/*=0.f*/, float* OutDistanceToPoint) = 0;
    virtual FPostProcessVolumeProperties GetProperties() const = 0;
#if DEBUG_POST_PROCESS_VOLUME_ENABLE
    virtual FString GetDebugName() const = 0;
#endif
};