29 lines
1.4 KiB
C++
29 lines
1.4 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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/*=============================================================================
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ActorFactoryRectLight.cpp: Factory for RectLight
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=============================================================================*/
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#include "ActorFactories/ActorFactoryRectLight.h"
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#include "GameFramework/Actor.h"
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#include "Components/RectLightComponent.h"
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void UActorFactoryRectLight::PostSpawnActor(UObject* Asset, AActor* NewActor)
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{
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// Make all spawned actors use the candela units.
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TArray<URectLightComponent*> RectLightComponents;
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NewActor->GetComponents<URectLightComponent>(RectLightComponents);
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for (URectLightComponent* Component: RectLightComponents)
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{
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if (Component && Component->CreationMethod == EComponentCreationMethod::Native)
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{
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static const auto CVarDefaultLightUnits = IConsoleManager::Get().FindTConsoleVariableDataInt(TEXT("r.DefaultFeature.LightUnits"));
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ELightUnits DefaultUnits = (ELightUnits)CVarDefaultLightUnits->GetValueOnAnyThread();
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// Passing .5 as CosHalfConeAngle since URectLightComponent::SetLightBrightness() lumens conversion use only PI
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Component->Intensity *= URectLightComponent::GetUnitsConversionFactor(Component->IntensityUnits, DefaultUnits, .5f);
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Component->IntensityUnits = DefaultUnits;
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}
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}
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}
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