LyraStarterGame/Source/LyraGame/Settings/LyraSettingsLocal.cpp

// Copyright Epic Games, Inc. All Rights Reserved.

#include "LyraSettingsLocal.h"
#include "Engine/Engine.h"
#include "Framework/Application/SlateApplication.h"
#include "Engine/World.h"
#include "Misc/App.h"
#include "CommonInputSubsystem.h"
#include "GenericPlatform/GenericPlatformFramePacer.h"
#include "Player/LyraLocalPlayer.h"
#include "Performance/LatencyMarkerModule.h"
#include "Performance/LyraPerformanceStatTypes.h"
#include "ICommonUIModule.h"
#include "CommonUISettings.h"
#include "SoundControlBusMix.h"
#include "Widgets/Layout/SSafeZone.h"
#include "Performance/LyraPerformanceSettings.h"
#include "DeviceProfiles/DeviceProfileManager.h"
#include "DeviceProfiles/DeviceProfile.h"
#include "HAL/PlatformFramePacer.h"
#include "Development/LyraPlatformEmulationSettings.h"
#include "SoundControlBus.h"
#include "AudioModulationStatics.h"
#include "Audio/LyraAudioSettings.h"
#include "Audio/LyraAudioMixEffectsSubsystem.h"

#include UE_INLINE_GENERATED_CPP_BY_NAME(LyraSettingsLocal)

UE_DEFINE_GAMEPLAY_TAG_STATIC(TAG_Platform_Trait_BinauralSettingControlledByOS, "Platform.Trait.BinauralSettingControlledByOS");

namespace PerfStatTags
{
	UE_DEFINE_GAMEPLAY_TAG_STATIC(TAG_Platform_Trait_SupportsLatencyStats, "Platform.Trait.SupportsLatencyStats");
	UE_DEFINE_GAMEPLAY_TAG_STATIC(TAG_Platform_Trait_SupportsLatencyMarkers, "Platform.Trait.SupportsLatencyMarkers");
}

//////////////////////////////////////////////////////////////////////

#if WITH_EDITOR
static TAutoConsoleVariable<bool> CVarApplyFrameRateSettingsInPIE(TEXT("Lyra.Settings.ApplyFrameRateSettingsInPIE"),
	false,
	TEXT("Should we apply frame rate settings in PIE?"),
	ECVF_Default);

static TAutoConsoleVariable<bool> CVarApplyFrontEndPerformanceOptionsInPIE(TEXT("Lyra.Settings.ApplyFrontEndPerformanceOptionsInPIE"),
	false,
	TEXT("Do we apply front-end specific performance options in PIE?"),
	ECVF_Default);

static TAutoConsoleVariable<bool> CVarApplyDeviceProfilesInPIE(TEXT("Lyra.Settings.ApplyDeviceProfilesInPIE"),
	false,
	TEXT("Should we apply experience/platform emulated device profiles in PIE?"),
	ECVF_Default);
#endif

//////////////////////////////////////////////////////////////////////
// Console frame pacing

static TAutoConsoleVariable<int32> CVarDeviceProfileDrivenTargetFps(
	TEXT("Lyra.DeviceProfile.Console.TargetFPS"),
	-1,
	TEXT("Target FPS when being driven by device profile"),
	ECVF_Default | ECVF_Preview);

static TAutoConsoleVariable<int32> CVarDeviceProfileDrivenFrameSyncType(
	TEXT("Lyra.DeviceProfile.Console.FrameSyncType"),
	-1,
	TEXT("Sync type when being driven by device profile. Corresponds to r.GTSyncType"),
	ECVF_Default | ECVF_Preview);

//////////////////////////////////////////////////////////////////////
// Mobile frame pacing

static TAutoConsoleVariable<int32> CVarDeviceProfileDrivenMobileDefaultFrameRate(
	TEXT("Lyra.DeviceProfile.Mobile.DefaultFrameRate"),
	30,
	TEXT("Default FPS when being driven by device profile"),
	ECVF_Default | ECVF_Preview);

static TAutoConsoleVariable<int32> CVarDeviceProfileDrivenMobileMaxFrameRate(
	TEXT("Lyra.DeviceProfile.Mobile.MaxFrameRate"),
	30,
	TEXT("Max FPS when being driven by device profile"),
	ECVF_Default | ECVF_Preview);

//////////////////////////////////////////////////////////////////////

static TAutoConsoleVariable<FString> CVarMobileQualityLimits(
	TEXT("Lyra.DeviceProfile.Mobile.OverallQualityLimits"),
	TEXT(""),
	TEXT("List of limits on resolution quality of the form \"FPS:MaxQuality,FPS2:MaxQuality2,...\", kicking in when FPS is at or above the threshold"),
	ECVF_Default | ECVF_Preview);

static TAutoConsoleVariable<FString> CVarMobileResolutionQualityLimits(
	TEXT("Lyra.DeviceProfile.Mobile.ResolutionQualityLimits"),
	TEXT(""),
	TEXT("List of limits on resolution quality of the form \"FPS:MaxResQuality,FPS2:MaxResQuality2,...\", kicking in when FPS is at or above the threshold"),
	ECVF_Default | ECVF_Preview);

static TAutoConsoleVariable<FString> CVarMobileResolutionQualityRecommendation(
	TEXT("Lyra.DeviceProfile.Mobile.ResolutionQualityRecommendation"),
	TEXT("0:75"),
	TEXT("List of limits on resolution quality of the form \"FPS:Recommendation,FPS2:Recommendation2,...\", kicking in when FPS is at or above the threshold"),
	ECVF_Default | ECVF_Preview);

//////////////////////////////////////////////////////////////////////

FLyraScalabilitySnapshot::FLyraScalabilitySnapshot()
{
	static_assert(sizeof(Scalability::FQualityLevels) == 88, "This function may need to be updated to account for new members");

	Qualities.ResolutionQuality = -1.0f;
	Qualities.ViewDistanceQuality = -1;
	Qualities.AntiAliasingQuality = -1;
	Qualities.ShadowQuality = -1;
	Qualities.GlobalIlluminationQuality = -1;
	Qualities.ReflectionQuality = -1;
	Qualities.PostProcessQuality = -1;
	Qualities.TextureQuality = -1;
	Qualities.EffectsQuality = -1;
	Qualities.FoliageQuality = -1;
	Qualities.ShadingQuality = -1;
}

//////////////////////////////////////////////////////////////////////

template<typename T>
struct TMobileQualityWrapper
{
private:
	T DefaultValue;
	TAutoConsoleVariable<FString>& WatchedVar;
	FString LastSeenCVarString;

	struct FLimitPair
	{
		int32 Limit = 0;
		T Value = T(0);
	};

	TArray<FLimitPair> Thresholds;

public:
	TMobileQualityWrapper(T InDefaultValue, TAutoConsoleVariable<FString>& InWatchedVar)
		: DefaultValue(InDefaultValue)
		, WatchedVar(InWatchedVar)
	{
	}

	T Query(int32 TestValue)
	{
		UpdateCache();

		for (const FLimitPair& Pair : Thresholds)
		{
			if (TestValue >= Pair.Limit)
			{
				return Pair.Value;
			}
		}

		return DefaultValue;
	}

	// Returns the first threshold value or INDEX_NONE if there aren't any
	int32 GetFirstThreshold()
	{
		UpdateCache();
		return (Thresholds.Num() > 0) ? Thresholds[0].Limit : INDEX_NONE;
	}

	// Returns the lowest value of all the pairs or DefaultIfNoPairs if there are no pairs
	T GetLowestValue(T DefaultIfNoPairs)
	{
		UpdateCache();
		
		T Result = DefaultIfNoPairs;
		bool bFirstValue = true;
		for (const FLimitPair& Pair : Thresholds)
		{
			if (bFirstValue)
			{
				Result = Pair.Value;
				bFirstValue = false;
			}
			else
			{
				Result = FMath::Min(Result, Pair.Value);
			}
		}
		
		return Result;
	}

private:
	void UpdateCache()
	{
		const FString CurrentValue = WatchedVar.GetValueOnGameThread();
		if (!CurrentValue.Equals(LastSeenCVarString, ESearchCase::CaseSensitive))
		{
			LastSeenCVarString = CurrentValue;

			Thresholds.Reset();

			// Parse the thresholds
			int32 ScanIndex = 0;
			while (ScanIndex < LastSeenCVarString.Len())
			{
				const int32 ColonIndex = LastSeenCVarString.Find(TEXT(":"), ESearchCase::CaseSensitive, ESearchDir::FromStart, ScanIndex);
				if (ColonIndex > 0)
				{
					const int32 CommaIndex = LastSeenCVarString.Find(TEXT(","), ESearchCase::CaseSensitive, ESearchDir::FromStart, ColonIndex);
					const int32 EndOfPairIndex = (CommaIndex != INDEX_NONE) ? CommaIndex : LastSeenCVarString.Len();

					FLimitPair Pair;
					LexFromString(Pair.Limit, *LastSeenCVarString.Mid(ScanIndex, ColonIndex - ScanIndex));
					LexFromString(Pair.Value, *LastSeenCVarString.Mid(ColonIndex + 1, EndOfPairIndex - ColonIndex - 1));
					Thresholds.Add(Pair);

					ScanIndex = EndOfPairIndex + 1;
				}
				else
				{
				
					UE_LOG(LogConsoleResponse, Error, TEXT("Malformed value for '%s'='%s', expecting a ':'"),
						*IConsoleManager::Get().FindConsoleObjectName(WatchedVar.AsVariable()),
						*LastSeenCVarString);
					Thresholds.Reset();
					break;
				}
			}

			// Sort the pairs
			Thresholds.Sort([](const FLimitPair A, const FLimitPair B) { return A.Limit < B.Limit; });
		}
	}
};

namespace LyraSettingsHelpers
{
	bool HasPlatformTrait(FGameplayTag Tag)
	{
		return ICommonUIModule::GetSettings().GetPlatformTraits().HasTag(Tag);
	}

	// Returns the max level from the integer scalability settings (ignores ResolutionQuality)
	int32 GetHighestLevelOfAnyScalabilityChannel(const Scalability::FQualityLevels& ScalabilityQuality)
	{
		static_assert(sizeof(Scalability::FQualityLevels) == 88, "This function may need to be updated to account for new members");

		int32 MaxScalability =						ScalabilityQuality.ViewDistanceQuality;
		MaxScalability = FMath::Max(MaxScalability, ScalabilityQuality.AntiAliasingQuality);
		MaxScalability = FMath::Max(MaxScalability, ScalabilityQuality.ShadowQuality);
		MaxScalability = FMath::Max(MaxScalability, ScalabilityQuality.GlobalIlluminationQuality);
		MaxScalability = FMath::Max(MaxScalability, ScalabilityQuality.ReflectionQuality);
		MaxScalability = FMath::Max(MaxScalability, ScalabilityQuality.PostProcessQuality);
		MaxScalability = FMath::Max(MaxScalability, ScalabilityQuality.TextureQuality);
		MaxScalability = FMath::Max(MaxScalability, ScalabilityQuality.EffectsQuality);
		MaxScalability = FMath::Max(MaxScalability, ScalabilityQuality.FoliageQuality);
		MaxScalability = FMath::Max(MaxScalability, ScalabilityQuality.ShadingQuality);

		return (MaxScalability >= 0) ? MaxScalability : -1;
	}

	void FillScalabilitySettingsFromDeviceProfile(FLyraScalabilitySnapshot& Mode, const FString& Suffix = FString())
	{
		static_assert(sizeof(Scalability::FQualityLevels) == 88, "This function may need to be updated to account for new members");

		// Default out before filling so we can correctly mark non-overridden scalability values.
		// It's technically possible to swap device profile when testing so safest to clear and refill
		Mode = FLyraScalabilitySnapshot();

		Mode.bHasOverrides |= UDeviceProfileManager::GetScalabilityCVar(FString::Printf(TEXT("sg.ResolutionQuality%s"), *Suffix), Mode.Qualities.ResolutionQuality);
		Mode.bHasOverrides |= UDeviceProfileManager::GetScalabilityCVar(FString::Printf(TEXT("sg.ViewDistanceQuality%s"), *Suffix), Mode.Qualities.ViewDistanceQuality);
		Mode.bHasOverrides |= UDeviceProfileManager::GetScalabilityCVar(FString::Printf(TEXT("sg.AntiAliasingQuality%s"), *Suffix), Mode.Qualities.AntiAliasingQuality);
		Mode.bHasOverrides |= UDeviceProfileManager::GetScalabilityCVar(FString::Printf(TEXT("sg.ShadowQuality%s"), *Suffix), Mode.Qualities.ShadowQuality);
		Mode.bHasOverrides |= UDeviceProfileManager::GetScalabilityCVar(FString::Printf(TEXT("sg.GlobalIlluminationQuality%s"), *Suffix), Mode.Qualities.GlobalIlluminationQuality);
		Mode.bHasOverrides |= UDeviceProfileManager::GetScalabilityCVar(FString::Printf(TEXT("sg.ReflectionQuality%s"), *Suffix), Mode.Qualities.ReflectionQuality);
		Mode.bHasOverrides |= UDeviceProfileManager::GetScalabilityCVar(FString::Printf(TEXT("sg.PostProcessQuality%s"), *Suffix), Mode.Qualities.PostProcessQuality);
		Mode.bHasOverrides |= UDeviceProfileManager::GetScalabilityCVar(FString::Printf(TEXT("sg.TextureQuality%s"), *Suffix), Mode.Qualities.TextureQuality);
		Mode.bHasOverrides |= UDeviceProfileManager::GetScalabilityCVar(FString::Printf(TEXT("sg.EffectsQuality%s"), *Suffix), Mode.Qualities.EffectsQuality);
		Mode.bHasOverrides |= UDeviceProfileManager::GetScalabilityCVar(FString::Printf(TEXT("sg.FoliageQuality%s"), *Suffix), Mode.Qualities.FoliageQuality);
		Mode.bHasOverrides |= UDeviceProfileManager::GetScalabilityCVar(FString::Printf(TEXT("sg.ShadingQuality%s"), *Suffix), Mode.Qualities.ShadingQuality);
	}

	TMobileQualityWrapper<int32> OverallQualityLimits(-1, CVarMobileQualityLimits);
	TMobileQualityWrapper<float> ResolutionQualityLimits(100.0f, CVarMobileResolutionQualityLimits);
	TMobileQualityWrapper<float> ResolutionQualityRecommendations(75.0f, CVarMobileResolutionQualityRecommendation);

	int32 GetApplicableOverallQualityLimit(int32 FrameRate)
	{
		return OverallQualityLimits.Query(FrameRate);
	}

	float GetApplicableResolutionQualityLimit(int32 FrameRate)
	{
		return ResolutionQualityLimits.Query(FrameRate);
	}

	float GetApplicableResolutionQualityRecommendation(int32 FrameRate)
	{
		return ResolutionQualityRecommendations.Query(FrameRate);
	}

	int32 ConstrainFrameRateToBeCompatibleWithOverallQuality(int32 FrameRate, int32 OverallQuality)
	{
		const ULyraPlatformSpecificRenderingSettings* PlatformSettings = ULyraPlatformSpecificRenderingSettings::Get();
		const TArray<int32>& PossibleRates = PlatformSettings->MobileFrameRateLimits;

		// Choose the closest frame rate (without going over) to the user preferred one that is supported and compatible with the desired overall quality
		int32 LimitIndex = PossibleRates.FindLastByPredicate([=](const int32& TestRate)
		{
			const bool bAtOrBelowDesiredRate = (TestRate <= FrameRate);

			const int32 LimitQuality = GetApplicableResolutionQualityLimit(TestRate);
			const bool bQualityDoesntExceedLimit = (LimitQuality < 0) || (OverallQuality <= LimitQuality);
			
			const bool bIsSupported = ULyraSettingsLocal::IsSupportedMobileFramePace(TestRate);

			return bAtOrBelowDesiredRate && bQualityDoesntExceedLimit && bIsSupported;
		});

		return PossibleRates.IsValidIndex(LimitIndex) ? PossibleRates[LimitIndex] : ULyraSettingsLocal::GetDefaultMobileFrameRate();
	}

	// Returns the first frame rate at which overall quality is restricted/limited by the current device profile
	int32 GetFirstFrameRateWithQualityLimit()
	{
		return OverallQualityLimits.GetFirstThreshold();
	}

	// Returns the lowest quality at which there's a limit on the overall frame rate (or -1 if there is no limit)
	int32 GetLowestQualityWithFrameRateLimit()
	{
		return OverallQualityLimits.GetLowestValue(-1);
	}
}

//////////////////////////////////////////////////////////////////////

ULyraSettingsLocal::ULyraSettingsLocal()
{
	if (!HasAnyFlags(RF_ClassDefaultObject) && FSlateApplication::IsInitialized())
	{
		OnApplicationActivationStateChangedHandle = FSlateApplication::Get().OnApplicationActivationStateChanged().AddUObject(this, &ThisClass::OnAppActivationStateChanged);
	}

	bEnableScalabilitySettings = ULyraPlatformSpecificRenderingSettings::Get()->bSupportsGranularVideoQualitySettings;

	SetToDefaults();
}

void ULyraSettingsLocal::SetToDefaults()
{
	Super::SetToDefaults();

	bUseHeadphoneMode = false;
	bUseHDRAudioMode = false;
	bSoundControlBusMixLoaded = false;
	bEnableLatencyTrackingStats = ULyraSettingsLocal::DoesPlatformSupportLatencyTrackingStats();

	const ULyraPlatformSpecificRenderingSettings* PlatformSettings = ULyraPlatformSpecificRenderingSettings::Get();
	UserChosenDeviceProfileSuffix = PlatformSettings->DefaultDeviceProfileSuffix;
	DesiredUserChosenDeviceProfileSuffix = UserChosenDeviceProfileSuffix;

	FrameRateLimit_InMenu = 144.0f;
	FrameRateLimit_WhenBackgrounded = 30.0f;
	FrameRateLimit_OnBattery = 60.0f;

	MobileFrameRateLimit = GetDefaultMobileFrameRate();
	DesiredMobileFrameRateLimit = MobileFrameRateLimit;
}

void ULyraSettingsLocal::LoadSettings(bool bForceReload)
{
	Super::LoadSettings(bForceReload);

	// Console platforms use rhi.SyncInterval to limit framerate
	const ULyraPlatformSpecificRenderingSettings* PlatformSettings = ULyraPlatformSpecificRenderingSettings::Get();
	if (PlatformSettings->FramePacingMode == ELyraFramePacingMode::ConsoleStyle)
	{
		FrameRateLimit = 0.0f;
	}

	// Enable HRTF if needed
	bDesiredHeadphoneMode = bUseHeadphoneMode;
	SetHeadphoneModeEnabled(bUseHeadphoneMode);

	ApplyLatencyTrackingStatSetting();

	DesiredUserChosenDeviceProfileSuffix = UserChosenDeviceProfileSuffix;

	LyraSettingsHelpers::FillScalabilitySettingsFromDeviceProfile(DeviceDefaultScalabilitySettings);

	DesiredMobileFrameRateLimit = MobileFrameRateLimit;
	ClampMobileQuality();

	
	PerfStatSettingsChangedEvent.Broadcast();
}

void ULyraSettingsLocal::ResetToCurrentSettings()
{
	Super::ResetToCurrentSettings();

	bDesiredHeadphoneMode = bUseHeadphoneMode;

	UserChosenDeviceProfileSuffix = DesiredUserChosenDeviceProfileSuffix;

	MobileFrameRateLimit = DesiredMobileFrameRateLimit;
}

void ULyraSettingsLocal::BeginDestroy()
{
	if (FSlateApplication::IsInitialized())
	{
		FSlateApplication::Get().OnApplicationActivationStateChanged().Remove(OnApplicationActivationStateChangedHandle);
	}

	Super::BeginDestroy();
}

ULyraSettingsLocal* ULyraSettingsLocal::Get()
{
	return GEngine ? CastChecked<ULyraSettingsLocal>(GEngine->GetGameUserSettings()) : nullptr;
}

void ULyraSettingsLocal::ConfirmVideoMode()
{
	Super::ConfirmVideoMode();

	SetMobileFPSMode(DesiredMobileFrameRateLimit);
}

// Combines two limits, always taking the minimum of the two (with special handling for values of <= 0 meaning unlimited)
float CombineFrameRateLimits(float Limit1, float Limit2)
{
	if (Limit1 <= 0.0f)
	{
		return Limit2;
	}
	else if (Limit2 <= 0.0f)
	{
		return Limit1;
	}
	else
	{
		return FMath::Min(Limit1, Limit2);
	}
}

float ULyraSettingsLocal::GetEffectiveFrameRateLimit()
{
	const ULyraPlatformSpecificRenderingSettings* PlatformSettings = ULyraPlatformSpecificRenderingSettings::Get();

#if WITH_EDITOR
	if (GIsEditor && !CVarApplyFrameRateSettingsInPIE.GetValueOnGameThread())
	{
		return Super::GetEffectiveFrameRateLimit();
	}
#endif

	if (PlatformSettings->FramePacingMode == ELyraFramePacingMode::ConsoleStyle)
	{
		return 0.0f;
	}

	float EffectiveFrameRateLimit = Super::GetEffectiveFrameRateLimit();

	if (ShouldUseFrontendPerformanceSettings())
	{
		EffectiveFrameRateLimit = CombineFrameRateLimits(EffectiveFrameRateLimit, FrameRateLimit_InMenu);
	}

	if (PlatformSettings->FramePacingMode == ELyraFramePacingMode::DesktopStyle)
	{
		if (FPlatformMisc::IsRunningOnBattery())
		{
			EffectiveFrameRateLimit = CombineFrameRateLimits(EffectiveFrameRateLimit, FrameRateLimit_OnBattery);
		}

		if (FSlateApplication::IsInitialized() && !FSlateApplication::Get().IsActive())
		{
			EffectiveFrameRateLimit = CombineFrameRateLimits(EffectiveFrameRateLimit, FrameRateLimit_WhenBackgrounded);
		}
	}

 	return EffectiveFrameRateLimit;
}

int32 ULyraSettingsLocal::GetHighestLevelOfAnyScalabilityChannel() const
{
	return LyraSettingsHelpers::GetHighestLevelOfAnyScalabilityChannel(ScalabilityQuality);
}

void ULyraSettingsLocal::OverrideQualityLevelsToScalabilityMode(const FLyraScalabilitySnapshot& InMode, Scalability::FQualityLevels& InOutLevels)
{
	static_assert(sizeof(Scalability::FQualityLevels) == 88, "This function may need to be updated to account for new members");

	// Overrides any valid (non-negative) settings
	InOutLevels.ResolutionQuality = (InMode.Qualities.ResolutionQuality >= 0.f) ? InMode.Qualities.ResolutionQuality : InOutLevels.ResolutionQuality;
	InOutLevels.ViewDistanceQuality = (InMode.Qualities.ViewDistanceQuality >= 0) ? InMode.Qualities.ViewDistanceQuality : InOutLevels.ViewDistanceQuality;
	InOutLevels.AntiAliasingQuality = (InMode.Qualities.AntiAliasingQuality >= 0) ? InMode.Qualities.AntiAliasingQuality : InOutLevels.AntiAliasingQuality;
	InOutLevels.ShadowQuality = (InMode.Qualities.ShadowQuality >= 0) ? InMode.Qualities.ShadowQuality : InOutLevels.ShadowQuality;
	InOutLevels.GlobalIlluminationQuality = (InMode.Qualities.GlobalIlluminationQuality >= 0) ? InMode.Qualities.GlobalIlluminationQuality : InOutLevels.GlobalIlluminationQuality;
	InOutLevels.ReflectionQuality = (InMode.Qualities.ReflectionQuality >= 0) ? InMode.Qualities.ReflectionQuality : InOutLevels.ReflectionQuality;
	InOutLevels.PostProcessQuality = (InMode.Qualities.PostProcessQuality >= 0) ? InMode.Qualities.PostProcessQuality : InOutLevels.PostProcessQuality;
	InOutLevels.TextureQuality = (InMode.Qualities.TextureQuality >= 0) ? InMode.Qualities.TextureQuality : InOutLevels.TextureQuality;
	InOutLevels.EffectsQuality = (InMode.Qualities.EffectsQuality >= 0) ? InMode.Qualities.EffectsQuality : InOutLevels.EffectsQuality;
	InOutLevels.FoliageQuality = (InMode.Qualities.FoliageQuality >= 0) ? InMode.Qualities.FoliageQuality : InOutLevels.FoliageQuality;
	InOutLevels.ShadingQuality = (InMode.Qualities.ShadingQuality >= 0) ? InMode.Qualities.ShadingQuality : InOutLevels.ShadingQuality;
}

void ULyraSettingsLocal::ClampQualityLevelsToDeviceProfile(const Scalability::FQualityLevels& ClampLevels, Scalability::FQualityLevels& InOutLevels)
{
	static_assert(sizeof(Scalability::FQualityLevels) == 88, "This function may need to be updated to account for new members");

	// Clamps any valid (non-negative) settings
	InOutLevels.ResolutionQuality = (ClampLevels.ResolutionQuality >= 0.f) ? FMath::Min(ClampLevels.ResolutionQuality, InOutLevels.ResolutionQuality) : InOutLevels.ResolutionQuality;
	InOutLevels.ViewDistanceQuality = (ClampLevels.ViewDistanceQuality >= 0) ? FMath::Min(ClampLevels.ViewDistanceQuality, InOutLevels.ViewDistanceQuality) : InOutLevels.ViewDistanceQuality;
	InOutLevels.AntiAliasingQuality = (ClampLevels.AntiAliasingQuality >= 0) ? FMath::Min(ClampLevels.AntiAliasingQuality, InOutLevels.AntiAliasingQuality) : InOutLevels.AntiAliasingQuality;
	InOutLevels.ShadowQuality = (ClampLevels.ShadowQuality >= 0) ? FMath::Min(ClampLevels.ShadowQuality, InOutLevels.ShadowQuality) : InOutLevels.ShadowQuality;
	InOutLevels.GlobalIlluminationQuality = (ClampLevels.GlobalIlluminationQuality >= 0) ? FMath::Min(ClampLevels.GlobalIlluminationQuality, InOutLevels.GlobalIlluminationQuality) : InOutLevels.GlobalIlluminationQuality;
	InOutLevels.ReflectionQuality = (ClampLevels.ReflectionQuality >= 0) ? FMath::Min(ClampLevels.ReflectionQuality, InOutLevels.ReflectionQuality) : InOutLevels.ReflectionQuality;
	InOutLevels.PostProcessQuality = (ClampLevels.PostProcessQuality >= 0) ? FMath::Min(ClampLevels.PostProcessQuality, InOutLevels.PostProcessQuality) : InOutLevels.PostProcessQuality;
	InOutLevels.TextureQuality = (ClampLevels.TextureQuality >= 0) ? FMath::Min(ClampLevels.TextureQuality, InOutLevels.TextureQuality) : InOutLevels.TextureQuality;
	InOutLevels.EffectsQuality = (ClampLevels.EffectsQuality >= 0) ? FMath::Min(ClampLevels.EffectsQuality, InOutLevels.EffectsQuality) : InOutLevels.EffectsQuality;
	InOutLevels.FoliageQuality = (ClampLevels.FoliageQuality >= 0) ? FMath::Min(ClampLevels.FoliageQuality, InOutLevels.FoliageQuality) : InOutLevels.FoliageQuality;
	InOutLevels.ShadingQuality = (ClampLevels.ShadingQuality >= 0) ? FMath::Min(ClampLevels.ShadingQuality, InOutLevels.ShadingQuality) : InOutLevels.ShadingQuality;
}

void ULyraSettingsLocal::OnExperienceLoaded()
{
	ReapplyThingsDueToPossibleDeviceProfileChange();
}

void ULyraSettingsLocal::OnHotfixDeviceProfileApplied()
{
	ReapplyThingsDueToPossibleDeviceProfileChange();
}

void ULyraSettingsLocal::ReapplyThingsDueToPossibleDeviceProfileChange()
{
	ApplyNonResolutionSettings();
}

void ULyraSettingsLocal::SetShouldUseFrontendPerformanceSettings(bool bInFrontEnd)
{
	bInFrontEndForPerformancePurposes = bInFrontEnd;
	UpdateEffectiveFrameRateLimit();
}

bool ULyraSettingsLocal::ShouldUseFrontendPerformanceSettings() const
{
#if WITH_EDITOR
	if (GIsEditor && !CVarApplyFrontEndPerformanceOptionsInPIE.GetValueOnGameThread())
	{
		return false;
	}
#endif

	return bInFrontEndForPerformancePurposes;
}

ELyraStatDisplayMode ULyraSettingsLocal::GetPerfStatDisplayState(ELyraDisplayablePerformanceStat Stat) const
{
	if (const ELyraStatDisplayMode* pMode = DisplayStatList.Find(Stat))
	{
		return *pMode;
	}
	else
	{
		return ELyraStatDisplayMode::Hidden;
	}
}

void ULyraSettingsLocal::SetPerfStatDisplayState(ELyraDisplayablePerformanceStat Stat, ELyraStatDisplayMode DisplayMode)
{
	if (DisplayMode == ELyraStatDisplayMode::Hidden)
	{
		DisplayStatList.Remove(Stat);
	}
	else
	{
		DisplayStatList.FindOrAdd(Stat) = DisplayMode;
	}
	PerfStatSettingsChangedEvent.Broadcast();
}

bool ULyraSettingsLocal::DoesPlatformSupportLatencyMarkers()
{
	return ICommonUIModule::GetSettings().GetPlatformTraits().HasTag(PerfStatTags::TAG_Platform_Trait_SupportsLatencyMarkers);
}

void ULyraSettingsLocal::SetEnableLatencyFlashIndicators(const bool bNewVal)
{
	if (bNewVal != bEnableLatencyFlashIndicators)
	{
		bEnableLatencyFlashIndicators = bNewVal;
		LatencyFlashInidicatorSettingsChangedEvent.Broadcast();
	}	
}

void ULyraSettingsLocal::SetEnableLatencyTrackingStats(const bool bNewVal)
{
	if (bNewVal != bEnableLatencyTrackingStats)
	{
		bEnableLatencyTrackingStats = bNewVal;

		ApplyLatencyTrackingStatSetting();

		LatencyStatIndicatorSettingsChangedEvent.Broadcast();
	}
}

void ULyraSettingsLocal::ApplyLatencyTrackingStatSetting()
{
	// Since this function will be called on load of the settings, we check if the slate app is initalized.
	// If it isn't then we are not in a target which can even have latency stats (like a headless cooker) so we
	// will exit early and do nothing.
	if (!FSlateApplication::IsInitialized())
	{
		return;
	}
	
	// Don't bother doing anything if the platform doesn't even support tracking stats.
	if (!DoesPlatformSupportLatencyTrackingStats())
	{
		return;
	}
	
	// Actually enable or disable the latency marker modules based on this setting
	TArray<ILatencyMarkerModule*> LatencyMarkerModules = IModularFeatures::Get().GetModularFeatureImplementations<ILatencyMarkerModule>(ILatencyMarkerModule::GetModularFeatureName());
	for (ILatencyMarkerModule* LatencyMarkerModule : LatencyMarkerModules)
	{
		LatencyMarkerModule->SetEnabled(bEnableLatencyTrackingStats);
	}

	UE_CLOG(!LatencyMarkerModules.IsEmpty(),
		LogConsoleResponse,
		Log,
		TEXT("%s %d Latency Marker Module(s)"),
		bEnableLatencyTrackingStats ? TEXT("Enabled") : TEXT("Disabled"), LatencyMarkerModules.Num());
}

bool ULyraSettingsLocal::DoesPlatformSupportLatencyTrackingStats()
{
	return ICommonUIModule::GetSettings().GetPlatformTraits().HasTag(PerfStatTags::TAG_Platform_Trait_SupportsLatencyStats);
}

float ULyraSettingsLocal::GetDisplayGamma() const
{
	return DisplayGamma;
}

void ULyraSettingsLocal::SetDisplayGamma(float InGamma)
{
	DisplayGamma = InGamma;
	ApplyDisplayGamma();
}

void ULyraSettingsLocal::ApplyDisplayGamma()
{
	if (GEngine)
	{
		GEngine->DisplayGamma = DisplayGamma;
	}
}

float ULyraSettingsLocal::GetFrameRateLimit_OnBattery() const
{
	return FrameRateLimit_OnBattery;
}

void ULyraSettingsLocal::SetFrameRateLimit_OnBattery(float NewLimitFPS)
{
	FrameRateLimit_OnBattery = NewLimitFPS;
	UpdateEffectiveFrameRateLimit();
}

float ULyraSettingsLocal::GetFrameRateLimit_InMenu() const
{
	return FrameRateLimit_InMenu;
}

void ULyraSettingsLocal::SetFrameRateLimit_InMenu(float NewLimitFPS)
{
	FrameRateLimit_InMenu = NewLimitFPS;
	UpdateEffectiveFrameRateLimit();
}

float ULyraSettingsLocal::GetFrameRateLimit_WhenBackgrounded() const
{
	return FrameRateLimit_WhenBackgrounded;
}

void ULyraSettingsLocal::SetFrameRateLimit_WhenBackgrounded(float NewLimitFPS)
{
	FrameRateLimit_WhenBackgrounded = NewLimitFPS;
	UpdateEffectiveFrameRateLimit();
}

float ULyraSettingsLocal::GetFrameRateLimit_Always() const
{
	return GetFrameRateLimit();
}

void ULyraSettingsLocal::SetFrameRateLimit_Always(float NewLimitFPS)
{
	SetFrameRateLimit(NewLimitFPS);
	UpdateEffectiveFrameRateLimit();
}

void ULyraSettingsLocal::UpdateEffectiveFrameRateLimit()
{
	if (!IsRunningDedicatedServer())
	{
		SetFrameRateLimitCVar(GetEffectiveFrameRateLimit());
	}
}

int32 ULyraSettingsLocal::GetDefaultMobileFrameRate()
{
	return CVarDeviceProfileDrivenMobileDefaultFrameRate.GetValueOnGameThread();
}

int32 ULyraSettingsLocal::GetMaxMobileFrameRate()
{
	return CVarDeviceProfileDrivenMobileMaxFrameRate.GetValueOnGameThread();
}

bool ULyraSettingsLocal::IsSupportedMobileFramePace(int32 TestFPS)
{
	const bool bIsDefault = (TestFPS == GetDefaultMobileFrameRate());
	const bool bDoesNotExceedLimit = (TestFPS <= GetMaxMobileFrameRate());

	// Allow all paces in the editor, as we'd only be doing this when simulating another platform
	const bool bIsSupportedPace = FPlatformRHIFramePacer::SupportsFramePace(TestFPS) || GIsEditor;

	return bIsDefault || (bDoesNotExceedLimit && bIsSupportedPace);
}

int32 ULyraSettingsLocal::GetFirstFrameRateWithQualityLimit() const
{
	return LyraSettingsHelpers::GetFirstFrameRateWithQualityLimit();
}

int32 ULyraSettingsLocal::GetLowestQualityWithFrameRateLimit() const
{
	return LyraSettingsHelpers::GetLowestQualityWithFrameRateLimit();
}

void ULyraSettingsLocal::ResetToMobileDeviceDefaults()
{
	// Reset frame rate
	DesiredMobileFrameRateLimit = GetDefaultMobileFrameRate();
	MobileFrameRateLimit = DesiredMobileFrameRateLimit;
	
	// Reset scalability
	Scalability::FQualityLevels DefaultLevels = Scalability::GetQualityLevels();
	OverrideQualityLevelsToScalabilityMode(DeviceDefaultScalabilitySettings, DefaultLevels);
	ScalabilityQuality = DefaultLevels;

	// Apply
	UpdateGameModeDeviceProfileAndFps();
}

int32 ULyraSettingsLocal::GetMaxSupportedOverallQualityLevel() const
{
	const ULyraPlatformSpecificRenderingSettings* PlatformSettings = ULyraPlatformSpecificRenderingSettings::Get();
	if ((PlatformSettings->FramePacingMode == ELyraFramePacingMode::MobileStyle) && DeviceDefaultScalabilitySettings.bHasOverrides)
	{
		return LyraSettingsHelpers::GetHighestLevelOfAnyScalabilityChannel(DeviceDefaultScalabilitySettings.Qualities);
	}
	else
	{
		return 3;
	}
}

void ULyraSettingsLocal::SetMobileFPSMode(int32 NewLimitFPS)
{
	const ULyraPlatformSpecificRenderingSettings* PlatformSettings = ULyraPlatformSpecificRenderingSettings::Get();
	if (PlatformSettings->FramePacingMode == ELyraFramePacingMode::MobileStyle)
	{
		if (MobileFrameRateLimit != NewLimitFPS)
		{
			MobileFrameRateLimit = NewLimitFPS;
			UpdateGameModeDeviceProfileAndFps();
		}

		DesiredMobileFrameRateLimit = MobileFrameRateLimit;
	}
}

void ULyraSettingsLocal::SetDesiredMobileFrameRateLimit(int32 NewLimitFPS)
{
	const int32 OldLimitFPS = DesiredMobileFrameRateLimit;

	RemapMobileResolutionQuality(OldLimitFPS, NewLimitFPS);

	DesiredMobileFrameRateLimit = NewLimitFPS;

	ClampMobileFPSQualityLevels(/*bWriteBack=*/ false);
}

void ULyraSettingsLocal::ClampMobileFPSQualityLevels(bool bWriteBack)
{
	const ULyraPlatformSpecificRenderingSettings* PlatformSettings = ULyraPlatformSpecificRenderingSettings::Get();
	if (PlatformSettings->FramePacingMode == ELyraFramePacingMode::MobileStyle)
	{
		const int32 QualityLimit = LyraSettingsHelpers::GetApplicableOverallQualityLimit(DesiredMobileFrameRateLimit);
		const int32 CurrentQualityLevel = GetHighestLevelOfAnyScalabilityChannel();
		if ((QualityLimit >= 0) && (CurrentQualityLevel > QualityLimit))
		{
			SetOverallScalabilityLevel(QualityLimit);

			if (bWriteBack)
			{
				Scalability::SetQualityLevels(ScalabilityQuality);
			}
			UE_LOG(LogConsoleResponse, Log, TEXT("Mobile FPS clamped overall quality (%d -> %d)."), CurrentQualityLevel, QualityLimit);
		}
	}
}

void ULyraSettingsLocal::ClampMobileQuality()
{
	const ULyraPlatformSpecificRenderingSettings* PlatformSettings = ULyraPlatformSpecificRenderingSettings::Get();
	if (PlatformSettings->FramePacingMode == ELyraFramePacingMode::MobileStyle)
	{
		// Clamp the resultant settings to the device default, it's known viable maximum.
		// This is a clamp rather than override to preserve allowed user settings
		Scalability::FQualityLevels CurrentLevels = Scalability::GetQualityLevels();

		/** On mobile, disables the 3D Resolution clamp that reverts the setting set by the user on boot.*/
		bool bMobileDisableResolutionReset = true;
		if (bMobileDisableResolutionReset)
		{
			DeviceDefaultScalabilitySettings.Qualities.ResolutionQuality = CurrentLevels.ResolutionQuality;
		}

		ClampQualityLevelsToDeviceProfile(DeviceDefaultScalabilitySettings.Qualities, /*inout*/ CurrentLevels);
		Scalability::SetQualityLevels(CurrentLevels);

		// Clamp quality levels if required at the current frame rate
		ClampMobileFPSQualityLevels(/*bWriteBack=*/ true);

		const int32 MaxMobileFrameRate = GetMaxMobileFrameRate();
		const int32 DefaultMobileFrameRate = GetDefaultMobileFrameRate();
		
		ensureMsgf(DefaultMobileFrameRate <= MaxMobileFrameRate, TEXT("Default mobile frame rate (%d) is higher than the maximum mobile frame rate (%d)!"), DefaultMobileFrameRate, MaxMobileFrameRate);

		// Choose the closest supported frame rate to the user desired setting without going over the device imposed limit
		const TArray<int32>& PossibleRates = PlatformSettings->MobileFrameRateLimits;
		const int32 LimitIndex = PossibleRates.FindLastByPredicate([this](const int32& TestRate) { return (TestRate <= DesiredMobileFrameRateLimit) && IsSupportedMobileFramePace(TestRate); });
		const int32 ActualLimitFPS = PossibleRates.IsValidIndex(LimitIndex) ? PossibleRates[LimitIndex] : GetDefaultMobileFrameRate();

		ClampMobileResolutionQuality(ActualLimitFPS);
	}
}

void ULyraSettingsLocal::ClampMobileResolutionQuality(int32 TargetFPS)
{
	// Clamp mobile resolution quality
	float MaxMobileResQuality = LyraSettingsHelpers::GetApplicableResolutionQualityLimit(TargetFPS);
	float CurrentScaleNormalized = 0.0f;
	float CurrentScaleValue = 0.0f;
	float MinScaleValue = 0.0f;
	float MaxScaleValue = 0.0f;
	GetResolutionScaleInformationEx(CurrentScaleNormalized, CurrentScaleValue, MinScaleValue, MaxScaleValue);
	if (CurrentScaleValue > MaxMobileResQuality)
	{
		UE_LOG(LogConsoleResponse, Log, TEXT("clamping mobile resolution quality max res: %f, %f, %f, %f, %f"), CurrentScaleNormalized, CurrentScaleValue, MinScaleValue, MaxScaleValue, MaxMobileResQuality);
		SetResolutionScaleValueEx(MaxMobileResQuality);
	}
}

void ULyraSettingsLocal::RemapMobileResolutionQuality(int32 FromFPS, int32 ToFPS)
{
	// Mobile resolution quality slider is a normalized value that is lerped between min quality, max quality.
	// max quality can change depending on FPS mode. This code remaps the quality when FPS mode changes so that the normalized
	// value remains the same within the new range.
	float CurrentScaleNormalized = 0.0f;
	float CurrentScaleValue = 0.0f;
	float MinScaleValue = 0.0f;
	float MaxScaleValue = 0.0f;
	GetResolutionScaleInformationEx(CurrentScaleNormalized, CurrentScaleValue, MinScaleValue, MaxScaleValue);
	float FromMaxMobileResQuality = LyraSettingsHelpers::GetApplicableResolutionQualityLimit(FromFPS);
	float ToMaxMobileResQuality = LyraSettingsHelpers::GetApplicableResolutionQualityLimit(ToFPS);
	float FromMobileScaledNormalizedValue = (CurrentScaleValue - MinScaleValue) / (FromMaxMobileResQuality - MinScaleValue);
	float ToResQuality = FMath::Lerp(MinScaleValue, ToMaxMobileResQuality, FromMobileScaledNormalizedValue);

	UE_LOG(LogConsoleResponse, Log, TEXT("Remap mobile resolution quality %f, %f, (%d,%d)"), CurrentScaleValue, ToResQuality, FromFPS, ToFPS);

	SetResolutionScaleValueEx(ToResQuality);
}

FString ULyraSettingsLocal::GetDesiredDeviceProfileQualitySuffix() const
{
	return DesiredUserChosenDeviceProfileSuffix;
}

void ULyraSettingsLocal::SetDesiredDeviceProfileQualitySuffix(const FString& InDesiredSuffix)
{
	DesiredUserChosenDeviceProfileSuffix = InDesiredSuffix;
}

void ULyraSettingsLocal::SetHeadphoneModeEnabled(bool bEnabled)
{
	if (CanModifyHeadphoneModeEnabled())
	{
		static IConsoleVariable* BinauralSpatializationDisabledCVar = IConsoleManager::Get().FindConsoleVariable(TEXT("au.DisableBinauralSpatialization"));
		if (BinauralSpatializationDisabledCVar)
		{
			BinauralSpatializationDisabledCVar->Set(!bEnabled, ECVF_SetByGameSetting);

			// Only save settings if the setting actually changed
			if (bUseHeadphoneMode != bEnabled)
			{
				bUseHeadphoneMode = bEnabled;
				SaveSettings();
			}
		}
	}
}

bool ULyraSettingsLocal::IsHeadphoneModeEnabled() const
{
	return bUseHeadphoneMode;
}

bool ULyraSettingsLocal::CanModifyHeadphoneModeEnabled() const
{
	static IConsoleVariable* BinauralSpatializationDisabledCVar = IConsoleManager::Get().FindConsoleVariable(TEXT("au.DisableBinauralSpatialization"));
	const bool bHRTFOptionAvailable = BinauralSpatializationDisabledCVar && ((BinauralSpatializationDisabledCVar->GetFlags() & EConsoleVariableFlags::ECVF_SetByMask) <= EConsoleVariableFlags::ECVF_SetByGameSetting);

	const bool bBinauralSettingControlledByOS = LyraSettingsHelpers::HasPlatformTrait(TAG_Platform_Trait_BinauralSettingControlledByOS);

	return bHRTFOptionAvailable && !bBinauralSettingControlledByOS;
}

bool ULyraSettingsLocal::IsHDRAudioModeEnabled() const
{
	return bUseHDRAudioMode;
}

void ULyraSettingsLocal::SetHDRAudioModeEnabled(bool bEnabled)
{
	bUseHDRAudioMode = bEnabled;

	if (GEngine)
	{
		if (const UWorld* World = GEngine->GetCurrentPlayWorld())
		{
			if (ULyraAudioMixEffectsSubsystem* LyraAudioMixEffectsSubsystem = World->GetSubsystem<ULyraAudioMixEffectsSubsystem>())
			{
				LyraAudioMixEffectsSubsystem->ApplyDynamicRangeEffectsChains(bEnabled);
			}
		}
	}
}

bool ULyraSettingsLocal::CanRunAutoBenchmark() const
{
	const ULyraPlatformSpecificRenderingSettings* PlatformSettings = ULyraPlatformSpecificRenderingSettings::Get();
	return PlatformSettings->bSupportsAutomaticVideoQualityBenchmark;
}

bool ULyraSettingsLocal::ShouldRunAutoBenchmarkAtStartup() const
{
	if (!CanRunAutoBenchmark())
	{
		return false;
	}

	if (LastCPUBenchmarkResult != -1)
	{
		// Already run and loaded
		return false;
	}

	return true;
}

void ULyraSettingsLocal::RunAutoBenchmark(bool bSaveImmediately)
{
	RunHardwareBenchmark();
	
	// Always apply, optionally save
	ApplyScalabilitySettings();
	ApplyLatencyTrackingStatSetting();

	if (bSaveImmediately)
	{
		SaveSettings();
	}
}

void ULyraSettingsLocal::ApplyScalabilitySettings()
{
	Scalability::SetQualityLevels(ScalabilityQuality);
}

float ULyraSettingsLocal::GetOverallVolume() const
{
	return OverallVolume;
}

void ULyraSettingsLocal::SetOverallVolume(float InVolume)
{
	// Cache the incoming volume value
	OverallVolume = InVolume;

	// Check to see if references to the control buses and control bus mixes have been loaded yet
	// Will likely need to be loaded if this function is the first time a setter has been called from the UI
	if (!bSoundControlBusMixLoaded)
	{
		LoadUserControlBusMix();
	}

	// Ensure it's been loaded before continuing
	ensureMsgf(bSoundControlBusMixLoaded, TEXT("UserControlBusMix Settings Failed to Load."));

	// Locate the locally cached bus and set the volume on it
	if (TObjectPtr<USoundControlBus>* ControlBusDblPtr = ControlBusMap.Find(TEXT("Overall")))
	{
		if (USoundControlBus* ControlBusPtr = *ControlBusDblPtr)
		{
			SetVolumeForControlBus(ControlBusPtr, OverallVolume);
		}
	}
}

float ULyraSettingsLocal::GetMusicVolume() const
{
	return MusicVolume;
}

void ULyraSettingsLocal::SetMusicVolume(float InVolume)
{
	// Cache the incoming volume value
	MusicVolume = InVolume;

	// Check to see if references to the control buses and control bus mixes have been loaded yet
	// Will likely need to be loaded if this function is the first time a setter has been called from the UI
	if (!bSoundControlBusMixLoaded)
	{
		LoadUserControlBusMix();
	}

	// Ensure it's been loaded before continuing
	ensureMsgf(bSoundControlBusMixLoaded, TEXT("UserControlBusMix Settings Failed to Load."));

	// Locate the locally cached bus and set the volume on it
	if (TObjectPtr<USoundControlBus>* ControlBusDblPtr = ControlBusMap.Find(TEXT("Music")))
	{
		if (USoundControlBus* ControlBusPtr = *ControlBusDblPtr)
		{
			SetVolumeForControlBus(ControlBusPtr, MusicVolume);
		}
	}
}

float ULyraSettingsLocal::GetSoundFXVolume() const
{
	return SoundFXVolume;
}

void ULyraSettingsLocal::SetSoundFXVolume(float InVolume)
{
	// Cache the incoming volume value
	SoundFXVolume = InVolume;

	// Check to see if references to the control buses and control bus mixes have been loaded yet
	// Will likely need to be loaded if this function is the first time a setter has been called from the UI
	if (!bSoundControlBusMixLoaded)
	{
		LoadUserControlBusMix();
	}

	// Ensure it's been loaded before continuing
	ensureMsgf(bSoundControlBusMixLoaded, TEXT("UserControlBusMix Settings Failed to Load."));

	// Locate the locally cached bus and set the volume on it
	if (TObjectPtr<USoundControlBus>* ControlBusDblPtr = ControlBusMap.Find(TEXT("SoundFX")))
	{
		if (USoundControlBus* ControlBusPtr = *ControlBusDblPtr)
		{
			SetVolumeForControlBus(ControlBusPtr, SoundFXVolume);
		}
	}
}

float ULyraSettingsLocal::GetDialogueVolume() const
{
	return DialogueVolume;
}

void ULyraSettingsLocal::SetDialogueVolume(float InVolume)
{
	// Cache the incoming volume value
	DialogueVolume = InVolume;

	// Check to see if references to the control buses and control bus mixes have been loaded yet
	// Will likely need to be loaded if this function is the first time a setter has been called from the UI
	if (!bSoundControlBusMixLoaded)
	{
		LoadUserControlBusMix();
	}

	// Ensure it's been loaded before continuing
	ensureMsgf(bSoundControlBusMixLoaded, TEXT("UserControlBusMix Settings Failed to Load."));

	// Locate the locally cached bus and set the volume on it
	if (TObjectPtr<USoundControlBus>* ControlBusDblPtr = ControlBusMap.Find(TEXT("Dialogue")))
	{
		if (USoundControlBus* ControlBusPtr = *ControlBusDblPtr)
		{
			SetVolumeForControlBus(ControlBusPtr, DialogueVolume);
		}
	}
}

float ULyraSettingsLocal::GetVoiceChatVolume() const
{
	return VoiceChatVolume;
}

void ULyraSettingsLocal::SetVoiceChatVolume(float InVolume)
{
	// Cache the incoming volume value
	VoiceChatVolume = InVolume;

	// Check to see if references to the control buses and control bus mixes have been loaded yet
	// Will likely need to be loaded if this function is the first time a setter has been called from the UI
	if (!bSoundControlBusMixLoaded)
	{
		LoadUserControlBusMix();
	}

	// Ensure it's been loaded before continuing
	ensureMsgf(bSoundControlBusMixLoaded, TEXT("UserControlBusMix Settings Failed to Load."));

	// Locate the locally cached bus and set the volume on it
	if (TObjectPtr<USoundControlBus>* ControlBusDblPtr = ControlBusMap.Find(TEXT("VoiceChat")))
	{
		if (USoundControlBus* ControlBusPtr = *ControlBusDblPtr)
		{
			SetVolumeForControlBus(ControlBusPtr, VoiceChatVolume);
		}
	}
}

void ULyraSettingsLocal::SetVolumeForControlBus(USoundControlBus* InSoundControlBus, float InVolume)
{
	// Check to see if references to the control buses and control bus mixes have been loaded yet
	// Will likely need to be loaded if this function is the first time a setter has been called
	if (!bSoundControlBusMixLoaded)
	{
		LoadUserControlBusMix();
	}

	// Ensure it's been loaded before continuing
	ensureMsgf(bSoundControlBusMixLoaded, TEXT("UserControlBusMix Settings Failed to Load."));

	// Assuming everything has been loaded correctly, we retrieve the world and use AudioModulationStatics to update the Control Bus Volume values and
	// apply the settings to the cached User Control Bus Mix
	if (GEngine && InSoundControlBus && bSoundControlBusMixLoaded)
	{
			if (const UWorld* AudioWorld = GEngine->GetCurrentPlayWorld())
			{
				ensureMsgf(ControlBusMix, TEXT("Control Bus Mix failed to load."));

				// Create and set the Control Bus Mix Stage Parameters
				FSoundControlBusMixStage UpdatedControlBusMixStage;
				UpdatedControlBusMixStage.Bus = InSoundControlBus;
				UpdatedControlBusMixStage.Value.TargetValue = InVolume;
				UpdatedControlBusMixStage.Value.AttackTime = 0.01f;
				UpdatedControlBusMixStage.Value.ReleaseTime = 0.01f;

				// Add the Control Bus Mix Stage to an Array as the UpdateMix function requires
				TArray<FSoundControlBusMixStage> UpdatedMixStageArray;
				UpdatedMixStageArray.Add(UpdatedControlBusMixStage);

				// Modify the matching bus Mix Stage parameters on the User Control Bus Mix
				UAudioModulationStatics::UpdateMix(AudioWorld, ControlBusMix, UpdatedMixStageArray);
			}
	}
}

void ULyraSettingsLocal::SetAudioOutputDeviceId(const FString& InAudioOutputDeviceId)
{
	AudioOutputDeviceId = InAudioOutputDeviceId;
	OnAudioOutputDeviceChanged.Broadcast(InAudioOutputDeviceId);
}

void ULyraSettingsLocal::ApplySafeZoneScale()
{
	SSafeZone::SetGlobalSafeZoneScale(GetSafeZone());
}

void ULyraSettingsLocal::ApplyNonResolutionSettings()
{
	Super::ApplyNonResolutionSettings();

	// Check if Control Bus Mix references have been loaded,
	// Might be false if applying non resolution settings without touching any of the setters from UI
	if (!bSoundControlBusMixLoaded)
	{
		LoadUserControlBusMix();
	}

	// In this section, update each Control Bus to the currently cached UI settings
	{
		if (TObjectPtr<USoundControlBus>* ControlBusDblPtr = ControlBusMap.Find(TEXT("Overall")))
		{
			if (USoundControlBus* ControlBusPtr = *ControlBusDblPtr)
			{
				SetVolumeForControlBus(ControlBusPtr, OverallVolume);
			}
		}

		if (TObjectPtr<USoundControlBus>* ControlBusDblPtr = ControlBusMap.Find(TEXT("Music")))
		{
			if (USoundControlBus* ControlBusPtr = *ControlBusDblPtr)
			{
				SetVolumeForControlBus(ControlBusPtr, MusicVolume);
			}
		}

		if (TObjectPtr<USoundControlBus>* ControlBusDblPtr = ControlBusMap.Find(TEXT("SoundFX")))
		{
			if (USoundControlBus* ControlBusPtr = *ControlBusDblPtr)
			{
				SetVolumeForControlBus(ControlBusPtr, SoundFXVolume);
			}
		}

		if (TObjectPtr<USoundControlBus>* ControlBusDblPtr = ControlBusMap.Find(TEXT("Dialogue")))
		{
			if (USoundControlBus* ControlBusPtr = *ControlBusDblPtr)
			{
				SetVolumeForControlBus(ControlBusPtr, DialogueVolume);
			}
		}

		if (TObjectPtr<USoundControlBus>* ControlBusDblPtr = ControlBusMap.Find(TEXT("VoiceChat")))
		{
			if (USoundControlBus* ControlBusPtr = *ControlBusDblPtr)
			{
				SetVolumeForControlBus(ControlBusPtr, VoiceChatVolume);
			}
		}
	}

	if (UCommonInputSubsystem* InputSubsystem = UCommonInputSubsystem::Get(GetTypedOuter<ULocalPlayer>()))
	{
		InputSubsystem->SetGamepadInputType(ControllerPlatform);
	}

	if (bUseHeadphoneMode != bDesiredHeadphoneMode)
	{
		SetHeadphoneModeEnabled(bDesiredHeadphoneMode);
	}
	
	if (DesiredUserChosenDeviceProfileSuffix != UserChosenDeviceProfileSuffix)
	{
		UserChosenDeviceProfileSuffix = DesiredUserChosenDeviceProfileSuffix;
	}

	if (FApp::CanEverRender())
	{
		ApplyDisplayGamma();
		ApplySafeZoneScale();
		UpdateGameModeDeviceProfileAndFps();
	}

	PerfStatSettingsChangedEvent.Broadcast();
}

int32 ULyraSettingsLocal::GetOverallScalabilityLevel() const
{
	int32 Result = Super::GetOverallScalabilityLevel();

	const ULyraPlatformSpecificRenderingSettings* PlatformSettings = ULyraPlatformSpecificRenderingSettings::Get();
	if (PlatformSettings->FramePacingMode == ELyraFramePacingMode::MobileStyle)
	{
		Result = GetHighestLevelOfAnyScalabilityChannel();
	}

	return Result;
}

void ULyraSettingsLocal::SetOverallScalabilityLevel(int32 Value)
{
	TGuardValue Guard(bSettingOverallQualityGuard, true);

	Value = FMath::Clamp(Value, 0, 3);

	float CurrentMobileResolutionQuality = ScalabilityQuality.ResolutionQuality;

	Super::SetOverallScalabilityLevel(Value);

	const ULyraPlatformSpecificRenderingSettings* PlatformSettings = ULyraPlatformSpecificRenderingSettings::Get();
	if (PlatformSettings->FramePacingMode == ELyraFramePacingMode::MobileStyle)
	{
		// Restore the resolution quality, mobile decouples this from overall quality
		ScalabilityQuality.ResolutionQuality = CurrentMobileResolutionQuality;

		// Changing the overall quality can end up adjusting the frame rate on mobile since there are limits
		const int32 ConstrainedFrameRateLimit = LyraSettingsHelpers::ConstrainFrameRateToBeCompatibleWithOverallQuality(DesiredMobileFrameRateLimit, Value);
		if (ConstrainedFrameRateLimit != DesiredMobileFrameRateLimit)
		{
			SetDesiredMobileFrameRateLimit(ConstrainedFrameRateLimit);
		}
	}
}

void ULyraSettingsLocal::SetControllerPlatform(const FName InControllerPlatform)
{
	if (ControllerPlatform != InControllerPlatform)
	{
		ControllerPlatform = InControllerPlatform;

		// Apply the change to the common input subsystem so that we refresh any input icons we're using.
		if (UCommonInputSubsystem* InputSubsystem = UCommonInputSubsystem::Get(GetTypedOuter<ULocalPlayer>()))
		{
			InputSubsystem->SetGamepadInputType(ControllerPlatform);
		}
	}
}

FName ULyraSettingsLocal::GetControllerPlatform() const
{
	return ControllerPlatform;
}

void ULyraSettingsLocal::LoadUserControlBusMix()
{
	if (GEngine)
	{
		if (const UWorld* World = GEngine->GetCurrentPlayWorld())
		{
			if (const ULyraAudioSettings* LyraAudioSettings = GetDefault<ULyraAudioSettings>())
			{
				USoundControlBus* OverallControlBus = nullptr;
				USoundControlBus* MusicControlBus = nullptr;
				USoundControlBus* SoundFXControlBus = nullptr;
				USoundControlBus* DialogueControlBus = nullptr;
				USoundControlBus* VoiceChatControlBus = nullptr;

				ControlBusMap.Empty();

				if (UObject* ObjPath = LyraAudioSettings->OverallVolumeControlBus.TryLoad())
				{
					if (USoundControlBus* SoundControlBus = Cast<USoundControlBus>(ObjPath))
					{
						OverallControlBus = SoundControlBus;
						ControlBusMap.Add(TEXT("Overall"), OverallControlBus);
					}
					else
					{
						ensureMsgf(SoundControlBus, TEXT("Overall Control Bus reference missing from Lyra Audio Settings."));
					}
				}

				if (UObject* ObjPath = LyraAudioSettings->MusicVolumeControlBus.TryLoad())
				{
					if (USoundControlBus* SoundControlBus = Cast<USoundControlBus>(ObjPath))
					{
						MusicControlBus = SoundControlBus;
						ControlBusMap.Add(TEXT("Music"), MusicControlBus);
					}
					else
					{
						ensureMsgf(SoundControlBus, TEXT("Music Control Bus reference missing from Lyra Audio Settings."));
					}
				}

				if (UObject* ObjPath = LyraAudioSettings->SoundFXVolumeControlBus.TryLoad())
				{
					if (USoundControlBus* SoundControlBus = Cast<USoundControlBus>(ObjPath))
					{
						SoundFXControlBus = SoundControlBus;
						ControlBusMap.Add(TEXT("SoundFX"), SoundFXControlBus);
					}
					else
					{
						ensureMsgf(SoundControlBus, TEXT("SoundFX Control Bus reference missing from Lyra Audio Settings."));
					}
				}

				if (UObject* ObjPath = LyraAudioSettings->DialogueVolumeControlBus.TryLoad())
				{
					if (USoundControlBus* SoundControlBus = Cast<USoundControlBus>(ObjPath))
					{
						DialogueControlBus = SoundControlBus;
						ControlBusMap.Add(TEXT("Dialogue"), DialogueControlBus);
					}
					else
					{
						ensureMsgf(SoundControlBus, TEXT("Dialogue Control Bus reference missing from Lyra Audio Settings."));
					}
				}

				if (UObject* ObjPath = LyraAudioSettings->VoiceChatVolumeControlBus.TryLoad())
				{
					if (USoundControlBus* SoundControlBus = Cast<USoundControlBus>(ObjPath))
					{
						VoiceChatControlBus = SoundControlBus;
						ControlBusMap.Add(TEXT("VoiceChat"), VoiceChatControlBus);
					}
					else
					{
						ensureMsgf(SoundControlBus, TEXT("VoiceChat Control Bus reference missing from Lyra Audio Settings."));
					}
				}

				if (UObject* ObjPath = LyraAudioSettings->UserSettingsControlBusMix.TryLoad())
				{
					if (USoundControlBusMix* SoundControlBusMix = Cast<USoundControlBusMix>(ObjPath))
					{
						ControlBusMix = SoundControlBusMix;

						const FSoundControlBusMixStage OverallControlBusMixStage = UAudioModulationStatics::CreateBusMixStage(World, OverallControlBus, OverallVolume);
						const FSoundControlBusMixStage MusicControlBusMixStage = UAudioModulationStatics::CreateBusMixStage(World, MusicControlBus, MusicVolume);
						const FSoundControlBusMixStage SoundFXControlBusMixStage = UAudioModulationStatics::CreateBusMixStage(World, SoundFXControlBus, SoundFXVolume);
						const FSoundControlBusMixStage DialogueControlBusMixStage = UAudioModulationStatics::CreateBusMixStage(World, DialogueControlBus, DialogueVolume);
						const FSoundControlBusMixStage VoiceChatControlBusMixStage = UAudioModulationStatics::CreateBusMixStage(World, VoiceChatControlBus, VoiceChatVolume);

						TArray<FSoundControlBusMixStage> ControlBusMixStageArray;
						ControlBusMixStageArray.Add(OverallControlBusMixStage);
						ControlBusMixStageArray.Add(MusicControlBusMixStage);
						ControlBusMixStageArray.Add(SoundFXControlBusMixStage);
						ControlBusMixStageArray.Add(DialogueControlBusMixStage);
						ControlBusMixStageArray.Add(VoiceChatControlBusMixStage);

						UAudioModulationStatics::UpdateMix(World, ControlBusMix, ControlBusMixStageArray);

						bSoundControlBusMixLoaded = true;
					}
					else
					{
						ensureMsgf(SoundControlBusMix, TEXT("User Settings Control Bus Mix reference missing from Lyra Audio Settings."));
					}
				}
			}
		}
	}
}

void ULyraSettingsLocal::OnAppActivationStateChanged(bool bIsActive)
{
	// We might want to adjust the frame rate when the app loses/gains focus on multi-window platforms
	UpdateEffectiveFrameRateLimit();
}

void ULyraSettingsLocal::UpdateGameModeDeviceProfileAndFps()
{
#if WITH_EDITOR
	if (GIsEditor && !CVarApplyDeviceProfilesInPIE.GetValueOnGameThread())
	{
		return;
	}
#endif

	UDeviceProfileManager& Manager = UDeviceProfileManager::Get();

	const ULyraPlatformSpecificRenderingSettings* PlatformSettings = ULyraPlatformSpecificRenderingSettings::Get();
	const TArray<FLyraQualityDeviceProfileVariant>& UserFacingVariants = PlatformSettings->UserFacingDeviceProfileOptions;

	//@TODO: Might want to allow specific experiences to specify a suffix to attempt to use as well
	// The code below will handle searching with this suffix (alone or in conjunction with the frame rate), but nothing sets it right now
	FString ExperienceSuffix;

	// Make sure the chosen setting is supported for the current display, walking down the list to try fallbacks
	const int32 PlatformMaxRefreshRate = FPlatformMisc::GetMaxRefreshRate();

	int32 SuffixIndex = UserFacingVariants.IndexOfByPredicate([&](const FLyraQualityDeviceProfileVariant& Data){ return Data.DeviceProfileSuffix == UserChosenDeviceProfileSuffix; });
	while (UserFacingVariants.IsValidIndex(SuffixIndex))
	{
		if (PlatformMaxRefreshRate >= UserFacingVariants[SuffixIndex].MinRefreshRate)
		{
			break;
		}
		else
		{
			--SuffixIndex;
		}
	}

	const FString EffectiveUserSuffix = UserFacingVariants.IsValidIndex(SuffixIndex) ? UserFacingVariants[SuffixIndex].DeviceProfileSuffix : PlatformSettings->DefaultDeviceProfileSuffix;

	// Build up a list of names to try
	const bool bHadUserSuffix = !EffectiveUserSuffix.IsEmpty();
	const bool bHadExperienceSuffix = !ExperienceSuffix.IsEmpty();

	FString BasePlatformName = UDeviceProfileManager::GetPlatformDeviceProfileName();
	FName PlatformName; // Default unless in editor
#if WITH_EDITOR
	if (GIsEditor)
	{
		const ULyraPlatformEmulationSettings* Settings = GetDefault<ULyraPlatformEmulationSettings>();
		const FName PretendBaseDeviceProfile = Settings->GetPretendBaseDeviceProfile();
		if (PretendBaseDeviceProfile != NAME_None)
		{
			BasePlatformName = PretendBaseDeviceProfile.ToString();
		}

		PlatformName = Settings->GetPretendPlatformName();
	}
#endif

	TArray<FString> ComposedNamesToFind;
	if (bHadExperienceSuffix && bHadUserSuffix)
	{
		ComposedNamesToFind.Add(BasePlatformName + TEXT("_") + ExperienceSuffix + TEXT("_") + EffectiveUserSuffix);
	}
	if (bHadUserSuffix)
	{
		ComposedNamesToFind.Add(BasePlatformName + TEXT("_") + EffectiveUserSuffix);
	}
	if (bHadExperienceSuffix)
	{
		ComposedNamesToFind.Add(BasePlatformName + TEXT("_") + ExperienceSuffix);
	}
	if (GIsEditor)
	{
		ComposedNamesToFind.Add(BasePlatformName);
	}

	// See if any of the potential device profiles actually exists
	FString ActualProfileToApply;
	for (const FString& TestProfileName : ComposedNamesToFind)
	{
		if (Manager.HasLoadableProfileName(TestProfileName, PlatformName))
		{
			ActualProfileToApply = TestProfileName;
			UDeviceProfile* Profile = Manager.FindProfile(TestProfileName, /*bCreateOnFail=*/ false);
			if (Profile == nullptr)
			{
				Profile = Manager.CreateProfile(TestProfileName, TEXT(""), TestProfileName, *PlatformName.ToString());
			}

			UE_LOG(LogConsoleResponse, Log, TEXT("Profile %s exists"), *Profile->GetName());
			break;
		}
	}

	UE_LOG(LogConsoleResponse, Log, TEXT("UpdateGameModeDeviceProfileAndFps MaxRefreshRate=%d, ExperienceSuffix='%s', UserPicked='%s'->'%s', PlatformBase='%s', AppliedActual='%s'"), 
		PlatformMaxRefreshRate, *ExperienceSuffix, *UserChosenDeviceProfileSuffix, *EffectiveUserSuffix, *BasePlatformName, *ActualProfileToApply);

	// Apply the device profile if it's different to what we currently have
	if (ActualProfileToApply != CurrentAppliedDeviceProfileOverrideSuffix)
	{
		if (Manager.GetActiveDeviceProfileName() != ActualProfileToApply)
		{
			// Restore the default first
			if (GIsEditor)
			{
#if ALLOW_OTHER_PLATFORM_CONFIG
				Manager.RestorePreviewDeviceProfile();
#endif
			}
			else
			{
				Manager.RestoreDefaultDeviceProfile();
			}

			// Apply the new one (if it wasn't the default)
			if (Manager.GetActiveDeviceProfileName() != ActualProfileToApply)
			{
				UDeviceProfile* NewDeviceProfile = Manager.FindProfile(ActualProfileToApply);
				ensureMsgf(NewDeviceProfile != nullptr, TEXT("DeviceProfile %s not found "), *ActualProfileToApply);
				if (NewDeviceProfile)
				{
					if (GIsEditor)
					{
#if ALLOW_OTHER_PLATFORM_CONFIG
						UE_LOG(LogConsoleResponse, Log, TEXT("Overriding *preview* device profile to %s"), *ActualProfileToApply);
						Manager.SetPreviewDeviceProfile(NewDeviceProfile);

						// Reload the default settings from the pretend profile
						LyraSettingsHelpers::FillScalabilitySettingsFromDeviceProfile(DeviceDefaultScalabilitySettings);
#endif
					}
					else
					{
						UE_LOG(LogConsoleResponse, Log, TEXT("Overriding device profile to %s"), *ActualProfileToApply);
						Manager.SetOverrideDeviceProfile(NewDeviceProfile);

						if (!bEnableScalabilitySettings)
						{
							// We don't support persistence of the scalability settings but at least we may
							// provide up to date values if anybody queries them using the settings API.
							ScalabilityQuality = Scalability::GetQualityLevels();
						}
					}
				}
			}
		}
		CurrentAppliedDeviceProfileOverrideSuffix = ActualProfileToApply;
	}

	switch (PlatformSettings->FramePacingMode)
	{
	case ELyraFramePacingMode::MobileStyle:
		UpdateMobileFramePacing();
		break;
	case ELyraFramePacingMode::ConsoleStyle:
		UpdateConsoleFramePacing();
		break;
	case ELyraFramePacingMode::DesktopStyle:
		UpdateDesktopFramePacing();
		break;
	}
}

void ULyraSettingsLocal::UpdateConsoleFramePacing()
{
	// Apply device-profile-driven frame sync and frame pace
	const int32 FrameSyncType = CVarDeviceProfileDrivenFrameSyncType.GetValueOnGameThread();
	if (FrameSyncType != -1)
	{
		UE_LOG(LogConsoleResponse, Log, TEXT("Setting frame sync mode to %d."), FrameSyncType);
		SetSyncTypeCVar(FrameSyncType);
	}

	const int32 TargetFPS = CVarDeviceProfileDrivenTargetFps.GetValueOnGameThread();
	if (TargetFPS != -1)
	{
		UE_LOG(LogConsoleResponse, Log, TEXT("Setting frame pace to %d Hz."), TargetFPS);
		FPlatformRHIFramePacer::SetFramePace(TargetFPS);

		// Set the CSV metadata and analytics Fps mode strings
#if CSV_PROFILER
		const FString TargetFramerateString = FString::Printf(TEXT("%d"), TargetFPS);
		CSV_METADATA(TEXT("TargetFramerate"), *TargetFramerateString);
#endif
	}
}

void ULyraSettingsLocal::UpdateDesktopFramePacing()
{
	// For desktop the frame rate limit is handled by the parent class based on the value already
	// applied via UpdateEffectiveFrameRateLimit()
	// So this function is only doing 'second order' effects of desktop frame pacing preferences

	const float TargetFPS = GetEffectiveFrameRateLimit();
	const float ClampedFPS = (TargetFPS <= 0.0f) ? 60.0f : FMath::Clamp(TargetFPS, 30.0f, 60.0f);
	UpdateDynamicResFrameTime(ClampedFPS);
}

void ULyraSettingsLocal::UpdateMobileFramePacing()
{
	//@TODO: Handle different limits for in-front-end or low-battery mode on mobile

	// Choose the closest supported frame rate to the user desired setting without going over the device imposed limit
	const ULyraPlatformSpecificRenderingSettings* PlatformSettings = ULyraPlatformSpecificRenderingSettings::Get();
	const TArray<int32>& PossibleRates = PlatformSettings->MobileFrameRateLimits;
	const int32 LimitIndex = PossibleRates.FindLastByPredicate([this](const int32& TestRate) { return (TestRate <= MobileFrameRateLimit) && IsSupportedMobileFramePace(TestRate); });
	const int32 TargetFPS = PossibleRates.IsValidIndex(LimitIndex) ? PossibleRates[LimitIndex] : GetDefaultMobileFrameRate();

	UE_LOG(LogConsoleResponse, Log, TEXT("Setting frame pace to %d Hz."), TargetFPS);
	FPlatformRHIFramePacer::SetFramePace(TargetFPS);

	ClampMobileQuality();

	UpdateDynamicResFrameTime((float)TargetFPS);
}

void ULyraSettingsLocal::UpdateDynamicResFrameTime(float TargetFPS)
{
	static IConsoleVariable* CVarDyResFrameTimeBudget = IConsoleManager::Get().FindConsoleVariable(TEXT("r.DynamicRes.FrameTimeBudget"));
	if (CVarDyResFrameTimeBudget)
	{
		if (ensure(TargetFPS > 0.0f))
		{
			const float DyResFrameTimeBudget = 1000.0f / TargetFPS;
			CVarDyResFrameTimeBudget->Set(DyResFrameTimeBudget, ECVF_SetByGameSetting);
		}
	}
}