quakeforge/nq/source/sys_unix.c

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/*
sys_unix.c
(description)
Copyright (C) 1996-1997 Id Software, Inc.
Copyright (C) 2000 Marcus Sundberg [mackan@stacken.kth.se]
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
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
static __attribute__ ((used)) const char rcsid[] =
"$Id$";
#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 <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <sys/stat.h>
#include <sys/time.h>
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#include "QF/console.h"
#include "QF/cvar.h"
#include "QF/qargs.h"
#include "QF/sys.h"
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#include "client.h"
#include "host.h"
#include "server.h"
qboolean isDedicated = false;
static void
shutdown (void)
{
// change stdin to blocking
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fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~O_NONBLOCK);
}
int
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main (int c, const char *v[])
{
double time, oldtime, newtime;
memset (&host_parms, 0, sizeof (host_parms));
COM_InitArgv (c, v);
host_parms.argc = com_argc;
host_parms.argv = com_argv;
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isDedicated = (COM_CheckParm ("-dedicated") != 0);
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fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) | O_NONBLOCK);
Sys_RegisterShutdown (Host_Shutdown);
Sys_RegisterShutdown (shutdown);
Host_Init ();
if (!sys_nostdout->int_val) {
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fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) | O_NONBLOCK);
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Con_Printf ("Quake -- Version %s\n", NQ_VERSION);
}
oldtime = Sys_DoubleTime () - 0.1;
while (1) {
// find time spent rendering last frame
newtime = Sys_DoubleTime ();
time = newtime - oldtime;
if (cls.state == ca_dedicated) { // play vcrfiles at max speed
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if (time < sys_ticrate->value && (!vcrFile || recording)) {
usleep (1);
continue; // not time to run a server only tic yet
}
time = sys_ticrate->value;
}
if (time > sys_ticrate->value * 2)
oldtime = newtime;
else
oldtime += time;
Host_Frame (time);
}
}