FXBudget.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "ParticlePerfStatsManager.h"
 
class FParticlePerfStatsListener_FXBudget;
 
struct FFXTimeData
{
    FFXTimeData(): GT(0.0f), GTConcurrent(0.0f), RT(0.0f) {}
    FFXTimeData(float InGT, float InConcurrent, float InRT) : GT(InGT), GTConcurrent(InConcurrent), RT(InRT) {}
 
    float GT;
    float GTConcurrent;
    float RT;
};
 
#if WITH_GLOBAL_RUNTIME_FX_BUDGET
class FFXBudget
{
public:
    static ENGINE_API FFXTimeData GetTime();
    static ENGINE_API FFXTimeData GetBudget();
    static ENGINE_API FFXTimeData GetUsage();
    static ENGINE_API FFXTimeData GetAdjustedUsage();
    inline static float GetWorstAdjustedUsage() { return WorstAdjustedUsage; }
    inline static void SetWorstAdjustedUsage(float NewAdjustedUsage){ WorstAdjustedUsage = NewAdjustedUsage; }
 
    static ENGINE_API void Reset();
 
    static ENGINE_API TSharedPtr<FParticlePerfStatsListener_FXBudget, ESPMode::ThreadSafe> StatsListener;
 
    static ENGINE_API void OnEnabledCVarChanged(IConsoleVariable* CVar);
    inline static bool Enabled(){ return bEnabled; }
    static ENGINE_API void SetEnabled(bool bInEnabled);
 
    static ENGINE_API bool bEnabled;
 
    static ENGINE_API FFXTimeData AdjustedUsage;
    static ENGINE_API float WorstAdjustedUsage;
 
private:
    static ENGINE_API void OnEnabledChangedInternal();
};
#else
class FFXBudget
{
public:
    inline static FFXTimeData GetTime(){ return FFXTimeData(); }
    inline static FFXTimeData GetBudget() { return FFXTimeData(); }
    inline static FFXTimeData GetUsage() { return FFXTimeData(); }
    inline static FFXTimeData GetAdjustedUsage() { return FFXTimeData(); }
    inline static float GetWorstAdjustedUsage() { return 0.0f; }
    inline static bool Enabled() { return false; }
    inline static void SetEnabled(bool bInEnabled) { }
 
    inline static void Reset(){}
};
#endif