00001 /* 00002 ----------------------------------------------------------------------------- 00003 This source file is part of OGRE 00004 (Object-oriented Graphics Rendering Engine) 00005 For the latest info, see http://www.ogre3d.org/ 00006 00007 Copyright Š 2000-2002 The OGRE Team 00008 Also see acknowledgements in Readme.html 00009 00010 This program is free software; you can redistribute it and/or modify it under 00011 the terms of the GNU Lesser General Public License as published by the Free Software 00012 Foundation; either version 2 of the License, or (at your option) any later 00013 version. 00014 00015 This program is distributed in the hope that it will be useful, but WITHOUT 00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. 00018 00019 You should have received a copy of the GNU Lesser General Public License along with 00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple 00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to 00022 http://www.gnu.org/copyleft/lesser.txt. 00023 ----------------------------------------------------------------------------- 00024 */ 00025 00026 #include "OgreSDLTimer.h" 00027 #include <sys/time.h> 00028 00029 namespace Ogre { 00030 00031 #ifdef _WIN32 00032 #define WIN32_LEAN_AND_MEAN 00033 #include <windows.h> 00034 void gettimeofday(struct timeval* p, void* tz /* IGNORED */){ 00035 union { 00036 long long ns100; /*time since 1 Jan 1601 in 100ns units */ 00037 FILETIME ft; 00038 } _now; 00039 00040 GetSystemTimeAsFileTime( &(_now.ft) ); 00041 p->tv_usec=(long)((_now.ns100 / 10LL) % 1000000LL ); 00042 p->tv_sec= (long)((_now.ns100-(116444736000000000LL))/10000000LL); 00043 return; 00044 } 00045 #endif 00046 00047 00048 void SDLTimer::reset() 00049 { 00050 Timer::reset(); 00051 gettimeofday(&start, NULL); 00052 } 00053 00054 unsigned long SDLTimer::getMilliseconds() 00055 { 00056 struct timeval now; 00057 gettimeofday(&now, NULL); 00058 return (now.tv_sec-start.tv_sec)*1000+(now.tv_usec-start.tv_usec)/1000; 00059 } 00060 00061 unsigned long SDLTimer::getMicroseconds() 00062 { 00063 struct timeval now; 00064 gettimeofday(&now, NULL); 00065 return (now.tv_sec-start.tv_sec)*1000000+(now.tv_usec-start.tv_usec); 00066 } 00067 }
Copyright © 2002-2003 by The OGRE Team
Last modified Sun Nov 28 19:48:46 2004