Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: Encapsultes the job system's version of time (which is != to wall clock time)
//
//=============================================================================
#ifndef JOBTIME_H
#define JOBTIME_H
#ifdef _WIN32
#pragma once
#endif
namespace GCSDK
{
// CJobTime
// This is our primary job time structure. It's similar to the Windows FILETIME structure, but
// with 1/10th the nominal resolution.
// It offers 1 microsecond resolution beginning on January 1, 1601.
// This is NOT wall clock time, it is time based proxy for a frame counter.
// This time PAUSES when you are in the debugger. Most timeout checks (things that don't need to be
// exact time wise should use this );
class CJobTime
{
public:
CJobTime();
void SetToJobTime();
void SetFromJobTime( int64 dMicroSecOffset );
// Amount of time that's passed between this CJobTime and the current time.
int64 CServerMicroSecsPassed() const;
// Time accessors
uint64 LTime() const { return m_lTime; }
void SetLTime( uint64 lTime ) { m_lTime = lTime; }
// Access our cached current time value
static void UpdateJobTime( int cMicroSecPerShellFrame );
static void SetCurrentJobTime( uint64 lCurrentTime );
static uint64 LJobTimeCur() { return sm_lTimeCur; }
bool operator==( const CJobTime &val ) const { return val.m_lTime == m_lTime; }
bool operator!=( const CJobTime &val ) const { return val.m_lTime != m_lTime; }
bool operator<( const CJobTime &val ) const { return m_lTime < val.m_lTime; }
bool operator>( const CJobTime &val ) const { return m_lTime > val.m_lTime; }
const CJobTime& operator+( const int64 &val ) { m_lTime += val; return *this; }
const CJobTime& operator+=( const int64 &val ) { m_lTime += val; return *this; }
private:
uint64 m_lTime; // Our time value (microseconds since 1/1/1601)
static uint64 sm_lTimeCur; // Cached value of the current time (updated each frame)
};
const uint64 k_lJobTimeMaxFuture = (uint64)-1;
}
#endif // JOBTIME_H