quakeforge/nq/source/sys_unixd.c

128 lines
2.6 KiB
C

/*
sys_unixd.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
*/
static const char rcsid[] =
"$Id$";
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_STRING_H
# include <string.h>
#endif
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <limits.h>
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <sys/ipc.h>
#include <sys/mman.h>
#include <sys/shm.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/wait.h>
#include "QF/cvar.h"
#include "QF/qargs.h"
#include "QF/qtypes.h"
#include "QF/sys.h"
#include "client.h"
#include "host.h"
qboolean isDedicated = true;
int nostdout = 0;
static void
shutdown (void)
{
fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~O_NONBLOCK);
fflush (stdout);
}
int
main (int argc, const char **argv)
{
double time, oldtime, newtime;
memset (&host_parms, 0, sizeof (host_parms));
COM_InitArgv (argc, argv);
// dedicated server ONLY!
if (!COM_CheckParm ("-dedicated")) {
const char **newargv;
newargv = malloc ((argc + 2) * sizeof (*newargv));
memcpy (newargv, argv, argc * 4);
newargv[argc++] = "-dedicated";
newargv[argc] = 0;
argv = newargv;
COM_InitArgv (argc, argv);
host_parms.argc = com_argc;
host_parms.argv = com_argv;
}
fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) | O_NONBLOCK);
Sys_RegisterShutdown (Host_Shutdown);
Sys_RegisterShutdown (shutdown);
Host_Init ();
oldtime = Sys_DoubleTime () - 0.1;
while (1) { // Main message loop
// find time spent rendering last frame
newtime = Sys_DoubleTime ();
time = newtime - oldtime;
if (time < sys_ticrate->value) {
usleep (1);
continue;
}
time = sys_ticrate->value;
if (time > sys_ticrate->value * 2)
oldtime = newtime;
else
oldtime += time;
Host_Frame (time);
}
return true; // return success
}