#ifndef __TIMER_H__
#define __TIMER_H__

#include "types.h"
#include "debug.h"

const long ciTimer_sec_frac = 1000000;

//////////////////////////////////////////////////////////////////////////////
// TimeValue
//

class TimeValue
{
public:
  TimeValue();
  ~TimeValue();

public:
  void RecordTime();
  TimeValue operator+(const TimeValue& tv);
  TimeValue operator-(const TimeValue& tv);

public:
  inline DOUBLE GetSeconds();

public:
  long m_sec;
  long m_usec;
};

inline DOUBLE TimeValue::GetSeconds()
{
  return (DOUBLE)m_sec + (DOUBLE)m_usec/(DOUBLE)ciTimer_sec_frac;
}

//////////////////////////////////////////////////////////////////////////////
// Timer
//

class Timer
{
public:
  Timer();
  ~Timer();

public:
  void Reset();
  void Start();
  void Stop();

public:
  inline DOUBLE GetSeconds();

public:
  BOOL m_bRunning;
  TimeValue m_tvStart;
  TimeValue m_tvStop;
  DOUBLE m_dSecTotal;
};

inline DOUBLE Timer::GetSeconds()
{
  ASSERT( !m_bRunning );
  return m_dSecTotal;
}

inline void SecondsToMinutes(long *pMinutes, long *pSeconds, 
			     long seconds)
{
  if ( pMinutes != NULL )
    {
      *pMinutes = seconds / 60;
    }

  if ( pSeconds != NULL )
    {
      *pSeconds = seconds % 60;
    }
}


#endif // __TIMER_H__