quakeforge/qw/source/sv_sys_win.c

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/*
sv_sys_win.c
(description)
Copyright (C) 1996-1997 Id Software, Inc.
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:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
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static const char rcsid[] =
"$Id$";
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "winquake.h"
#include <winsock.h>
#include "QF/cvar.h"
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#include "QF/info.h"
#include "QF/qargs.h"
#include "QF/sys.h"
#include "compat.h"
#include "server.h"
qboolean is_server = true;
qboolean WinNT;
server_static_t svs;
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info_t **svs_info = &svs.info;
void
startup (void)
{
OSVERSIONINFO vinfo;
// make sure the timer is high precision, otherwise NT gets 18ms resolution
timeBeginPeriod (1);
vinfo.dwOSVersionInfoSize = sizeof (vinfo);
if (!GetVersionEx (&vinfo))
Sys_Error ("Couldn't get OS info");
if ((vinfo.dwMajorVersion < 4) ||
(vinfo.dwPlatformId == VER_PLATFORM_WIN32s)) {
Sys_Error (PROGRAM " requires at least Win95 or NT 4.0");
}
if (vinfo.dwPlatformId == VER_PLATFORM_WIN32_NT)
WinNT = true;
else
WinNT = false;
}
char *newargv[256];
int
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main (int argc, const char **argv)
{
double newtime, time, oldtime;
startup ();
COM_InitArgv (argc, argv);
host_parms.argc = com_argc;
host_parms.argv = com_argv;
SV_Init ();
if (COM_CheckParm ("-nopriority")) {
Cvar_Set (sys_sleep, "0");
} else {
if (!SetPriorityClass (GetCurrentProcess (), HIGH_PRIORITY_CLASS))
SV_Printf ("SetPriorityClass() failed\n");
else
SV_Printf ("Process priority class set to HIGH\n");
}
// sys_sleep > 0 seems to cause packet loss on WinNT (why?)
if (WinNT)
Cvar_Set (sys_sleep, "0");
Sys_RegisterShutdown (Net_LogStop);
// run one frame immediately for first heartbeat
SV_Frame (0.1);
// main loop
oldtime = Sys_DoubleTime () - 0.1;
while (1) {
if (!Sys_CheckInput (!svs.num_clients, net_socket))
continue;
// find time passed since last cycle
newtime = Sys_DoubleTime ();
time = newtime - oldtime;
oldtime = newtime;
SV_Frame (time);
}
return true;
}