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https://github.com/TTimo/GtkRadiant.git
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12b372f89c
git-svn-id: svn://svn.icculus.org/gtkradiant/GtkRadiant@1 8a3a26a2-13c4-0310-b231-cf6edde360e5
109 lines
2.1 KiB
C++
109 lines
2.1 KiB
C++
/*
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Copyright (C) 2001-2006, William Joseph.
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All Rights Reserved.
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This file is part of GtkRadiant.
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GtkRadiant is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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GtkRadiant is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GtkRadiant; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "timer.h"
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#if defined(WIN32)
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#include <windows.h>
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MillisecondTime MillisecondTime::current()
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{
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static class Cached
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{
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LONGLONG m_frequency;
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LONGLONG m_base;
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public:
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Cached()
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{
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QueryPerformanceFrequency((LARGE_INTEGER *) &m_frequency);
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QueryPerformanceCounter((LARGE_INTEGER *) &m_base);
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}
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LONGLONG frequency()
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{
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return m_frequency;
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}
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LONGLONG base()
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{
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return m_base;
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}
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} cached;
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if(cached.frequency() > 0)
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{
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LONGLONG count;
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QueryPerformanceCounter((LARGE_INTEGER *) &count);
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return time_from_ticks(count - cached.base(), cached.frequency());
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}
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else
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{
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#if 1
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return MillisecondTime();
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#else
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return time_from_ticks(timeGetTime(), 1000);
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#endif
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}
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}
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#elif defined(__linux__) || defined (__APPLE__)
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#include <time.h>
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#include "sys/time.h"
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MillisecondTime MillisecondTime::current()
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{
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static class Cached
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{
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time_t m_base;
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public:
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Cached()
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{
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time(&m_base);
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}
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time_t base()
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{
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return m_base;
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}
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} cached;
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timeval time;
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gettimeofday(&time, 0);
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return MillisecondTime((time.tv_sec - cached.base()) * 1000 + time.tv_usec / 1000);
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}
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#else
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#include <ctime>
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MillisecondTime MillisecondTime::current()
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{
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return time_from_ticks<std::clock_t>(std::clock(), CLOCKS_PER_SEC);
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}
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#endif
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