61 lines
2.0 KiB
C++
61 lines
2.0 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Encapsultes the job system's version of time (which is != to wall clock time)
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//
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//=============================================================================
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#ifndef JOBTIME_H
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#define JOBTIME_H
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#ifdef _WIN32
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#pragma once
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#endif
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namespace GCSDK
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{
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// CJobTime
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// This is our primary job time structure. It's similar to the Windows FILETIME structure, but
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// with 1/10th the nominal resolution.
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// It offers 1 microsecond resolution beginning on January 1, 1601.
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// This is NOT wall clock time, it is time based proxy for a frame counter.
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// This time PAUSES when you are in the debugger. Most timeout checks (things that don't need to be
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// exact time wise should use this );
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class CJobTime
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{
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public:
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CJobTime();
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void SetToJobTime();
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void SetFromJobTime( int64 dMicroSecOffset );
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// Amount of time that's passed between this CJobTime and the current time.
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int64 CServerMicroSecsPassed() const;
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// Time accessors
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uint64 LTime() const { return m_lTime; }
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void SetLTime( uint64 lTime ) { m_lTime = lTime; }
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// Access our cached current time value
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static void UpdateJobTime( int cMicroSecPerShellFrame );
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static void SetCurrentJobTime( uint64 lCurrentTime );
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static uint64 LJobTimeCur() { return sm_lTimeCur; }
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bool operator==( const CJobTime &val ) const { return val.m_lTime == m_lTime; }
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bool operator!=( const CJobTime &val ) const { return val.m_lTime != m_lTime; }
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bool operator<( const CJobTime &val ) const { return m_lTime < val.m_lTime; }
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bool operator>( const CJobTime &val ) const { return m_lTime > val.m_lTime; }
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const CJobTime& operator+( const int64 &val ) { m_lTime += val; return *this; }
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const CJobTime& operator+=( const int64 &val ) { m_lTime += val; return *this; }
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private:
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uint64 m_lTime; // Our time value (microseconds since 1/1/1601)
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static uint64 sm_lTimeCur; // Cached value of the current time (updated each frame)
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};
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const uint64 k_lJobTimeMaxFuture = (uint64)-1;
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}
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#endif // JOBTIME_H
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