mirror of
https://github.com/s1lentq/ReGameDLL_CS.git
synced 2024-10-17 07:46:52 +03:00
173 lines
4.2 KiB
C++
173 lines
4.2 KiB
C++
/*
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License as published by the
|
|
* Free Software Foundation; either version 2 of the License, or (at
|
|
* your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software Foundation,
|
|
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
* In addition, as a special exception, the author gives permission to
|
|
* link the code of this program with the Half-Life Game Engine ("HL
|
|
* Engine") and Modified Game Libraries ("MODs") developed by Valve,
|
|
* L.L.C ("Valve"). You must obey the GNU General Public License in all
|
|
* respects for all of the code used other than the HL Engine and MODs
|
|
* from Valve. If you modify this file, you may extend this exception
|
|
* to your version of the file, but you are not obligated to do so. If
|
|
* you do not wish to do so, delete this exception statement from your
|
|
* version.
|
|
*
|
|
*/
|
|
|
|
#ifndef PERF_COUNTER_H
|
|
#define PERF_COUNTER_H
|
|
#ifdef _WIN32
|
|
#pragma once
|
|
#endif
|
|
|
|
#ifdef _WIN32
|
|
#include <windows.h>
|
|
#include <io.h>
|
|
#include <direct.h>
|
|
#else
|
|
#include <sys/stat.h>
|
|
#include <sys/types.h>
|
|
#include <fcntl.h>
|
|
#include <unistd.h>
|
|
#ifdef OSX
|
|
#include <limits.h>
|
|
#else
|
|
#include <linux/limits.h>
|
|
#endif
|
|
#include <sys/time.h>
|
|
#endif
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdarg.h>
|
|
#include <stdlib.h>
|
|
#include <math.h>
|
|
|
|
class CPerformanceCounter
|
|
{
|
|
public:
|
|
CPerformanceCounter();
|
|
void InitializePerformanceCounter(void);
|
|
double GetCurTime();
|
|
|
|
private:
|
|
int m_iLowShift;
|
|
double m_flPerfCounterFreq;
|
|
double m_flCurrentTime;
|
|
double m_flLastCurrentTime;
|
|
|
|
};/* size: 28, cachelines: 1, members: 4 */
|
|
|
|
/* <2ebfc> ../game_shared/perf_counter.h:61 */
|
|
inline CPerformanceCounter::CPerformanceCounter()
|
|
{
|
|
InitializePerformanceCounter();
|
|
}
|
|
|
|
/* <2ebdd> ../game_shared/perf_counter.h:69 */
|
|
inline void CPerformanceCounter::InitializePerformanceCounter(void)
|
|
{
|
|
#ifdef _WIN32
|
|
unsigned int lowpart;
|
|
unsigned int highpart;
|
|
|
|
LARGE_INTEGER performanceFreq;
|
|
QueryPerformanceFrequency(&performanceFreq);
|
|
|
|
lowpart = (unsigned int)performanceFreq.LowPart;
|
|
highpart = (unsigned int)performanceFreq.HighPart;
|
|
m_iLowShift = 0;
|
|
|
|
while(highpart || (lowpart > 2000000.0))
|
|
{
|
|
m_iLowShift++;
|
|
lowpart >>= 1;
|
|
lowpart |= (highpart & 1)<<31;
|
|
highpart >>= 1;
|
|
}
|
|
m_flPerfCounterFreq = 1.0 / (double)lowpart;
|
|
#endif
|
|
}
|
|
|
|
/* <2ec16> ../game_shared/perf_counter.h:97 */
|
|
inline double CPerformanceCounter::GetCurTime(void)
|
|
{
|
|
#ifdef _WIN32
|
|
static int first = 1;
|
|
static int sametimecount;
|
|
static unsigned int oldtime;
|
|
|
|
unsigned int t2;
|
|
unsigned int temp;
|
|
|
|
double time;
|
|
|
|
LARGE_INTEGER PerformanceCount;
|
|
QueryPerformanceCounter(&PerformanceCount);
|
|
if(!m_iLowShift)
|
|
temp = (unsigned int)PerformanceCount.LowPart;
|
|
else
|
|
temp = ((unsigned int)PerformanceCount.LowPart>>m_iLowShift)|((unsigned int)PerformanceCount.HighPart<<(32 - m_iLowShift));
|
|
|
|
if (first)
|
|
{
|
|
oldtime = temp;
|
|
first = 0;
|
|
}
|
|
else
|
|
{
|
|
if ((temp <= oldtime) && ((oldtime - temp) < 0x10000000))
|
|
oldtime = temp;
|
|
else
|
|
{
|
|
t2 = temp - oldtime;
|
|
|
|
time = (double)t2 * m_flPerfCounterFreq;
|
|
oldtime = temp;
|
|
|
|
m_flCurrentTime += time;
|
|
|
|
if (m_flCurrentTime == m_flLastCurrentTime)
|
|
{
|
|
sametimecount++;
|
|
if(sametimecount > 100000)
|
|
{
|
|
m_flCurrentTime += 1.0;
|
|
sametimecount = 0;
|
|
}
|
|
}
|
|
else
|
|
sametimecount = 0;
|
|
|
|
m_flLastCurrentTime = m_flCurrentTime;
|
|
}
|
|
}
|
|
return m_flCurrentTime;
|
|
#else
|
|
struct timeval tp;
|
|
static int secbase = 0;
|
|
|
|
gettimeofday(&tp,NULL);
|
|
if(!secbase)
|
|
{
|
|
secbase = tp.tv_sec;
|
|
return (tp.tv_usec / 1000000.0);
|
|
}
|
|
return ((tp.tv_sec - secbase) + tp.tv_usec / 1000000.0);
|
|
#endif
|
|
}
|
|
|
|
#endif // PERF_COUNTER_H
|