floatstat.h

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/*
* Copyright 2016 Autodesk, Inc. All rights reserved.
* Use of this software is subject to the terms of the Autodesk license agreement and any attachments or Appendices thereto provided at the time of installation or download,
* or which otherwise accompanies this software in either electronic or hard copy form, or which is signed by you and accepted by Autodesk.
*/


#pragma once

#include "gwnavruntime/base/memory.h"
#include "gwnavruntime/kernel/SF_String.h"


namespace Kaim
{

class FloatStat
{
    KY_DEFINE_NEW_DELETE_OPERATORS(MemStat_Statistics)

public:
    FloatStat() { ResetValues(); }
    FloatStat(const String& name, KyUInt32 windowSize = 300) { Init(name, windowSize); }

    void Init(const String& name, KyUInt32 windowSize = 300)
    {
        m_name = name;
        SetWindowSize(windowSize);
    }

    void SetWindowSize(KyUInt32 windowSize)
    {
        m_values.Resize(windowSize);
        ResetValues();
    }

    void ResetValues();
    void Update();

    const String& GetName()    const { return m_name; }
    KyFloat32     GetCurrent() const { return m_current; }
    KyFloat32     GetAverage() const { return m_average; }
    KyFloat32     GetMin()     const { return m_min; }
    KyFloat32     GetMax()     const { return m_max; }

    KyFloat32& GetWritableCurrent() { return m_current; }

    void SetCurrent(KyFloat32 current) { m_current = current; }

private:
    void AddValue();
    void ReplaceValue();
    void UpdateMin(KyUInt32 index);
    void UpdateMax(KyUInt32 index);

public:
    String m_name;
    KyFloat32 m_current;
    KyFloat32 m_average;
    KyFloat32 m_min;
    KyFloat32 m_max;

private:
    Array<KyFloat32> m_values; // values in the window
    KyUInt32 m_currentIndex;
    KyUInt32 m_minIndex;
    KyUInt32 m_maxIndex;
    bool m_cycled;
};

} // namespace Kaim