randomserver.cpp

robocup rcssserver 运行防真机器人足球比赛所用的服务器端

/* -*- mode: c++; c-basic-offset: 4; indent-tabs-mode: nil -*-

   this file is part of rcssserver3D
   Fri May 9 2003
   Copyright (C) 2002,2003 Koblenz University
   Copyright (C) 2004 RoboCup Soccer Server 3D Maintenance Group
   $Id: randomserver.cpp,v 1.4 2008/02/20 17:16:29 hedayat Exp $

   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; version 2 of the License.

   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., 675 Mass Ave, Cambridge, MA 02139, USA.

*/
#include "randomserver.h"

#ifdef WIN32
#include <windows.h>
#else
#include <sys/time.h>
#endif

using namespace zeitgeist;

void
RandomServer::Seed(salt::RandomEngine::result_type seed)
{
    if (seed == 0)
        {
#ifdef WIN32
            SYSTEMTIME time;
            GetSystemTime(&time);
            seed = time.wMilliseconds;
#else
            timeval tv;
            gettimeofday(&tv,0);
            seed = tv.tv_usec;
#endif
        }

    salt::RandomEngine::instance(seed);
}