mirror of
https://git.code.sf.net/p/quake/quakeforge-old
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199 lines
4.1 KiB
C
199 lines
4.1 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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Copyright (C) 1999,2000 contributors of the QuakeForge project
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Please see the file "AUTHORS" for a list of contributors
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <sys/types.h>
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#include "qwsvdef.h"
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#ifdef NeXT
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#include <libc.h>
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#endif
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// FIXME: use autoconf
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#if defined(unix) || defined(_AIX)
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#include <sys/stat.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include <errno.h>
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#else
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#include <sys/dir.h>
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#endif
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#ifdef HAVE_STRINGS_H
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#include <strings.h>
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#endif
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extern cvar_t sys_nostdout;
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cvar_t sys_extrasleep = {"sys_extrasleep","0"};
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qboolean stdin_ready;
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/*
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===============================================================================
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REQUIRED SYS FUNCTIONS
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===============================================================================
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*/
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/*
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================
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Sys_Error
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================
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*/
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void Sys_Error (char *error, ...)
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{
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va_list argptr;
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char string[1024];
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va_start (argptr, error);
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vsnprintf (string, sizeof(string), error, argptr);
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va_end (argptr);
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printf ("Fatal error: %s\n",string);
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exit (1);
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}
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/*
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================
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Sys_Quit
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================
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*/
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void Sys_Quit (void)
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{
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exit (0); // appkit isn't running
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}
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static int do_stdin = 1;
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/*
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================
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Sys_ConsoleInput
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Checks for a complete line of text typed in at the console, then forwards
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it to the host command processor
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================
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*/
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char *Sys_ConsoleInput (void)
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{
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static char text[256];
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int len;
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if (!stdin_ready || !do_stdin)
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return NULL; // the select didn't say it was ready
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stdin_ready = false;
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len = read (0, text, sizeof(text));
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if (len == 0) {
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// end of file
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do_stdin = 0;
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return NULL;
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}
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if (len < 1)
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return NULL;
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text[len-1] = 0; // rip off the /n and terminate
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return text;
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}
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/*
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=============
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Sys_Init
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Quake calls this so the system can register variables before host_hunklevel
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is marked
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=============
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*/
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void Sys_Init (void)
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{
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Cvar_RegisterVariable (&sys_nostdout);
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Cvar_RegisterVariable (&sys_extrasleep);
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}
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/*
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=============
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main
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=============
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*/
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int main(int argc, char *argv[])
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{
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double time, oldtime, newtime;
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quakeparms_t parms;
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fd_set fdset;
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extern int net_socket;
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struct timeval timeout;
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int j;
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memset (&parms, 0, sizeof(parms));
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COM_InitArgv (argc, argv);
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parms.argc = com_argc;
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parms.argv = com_argv;
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parms.memsize = 16*1024*1024;
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j = COM_CheckParm("-mem");
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if (j)
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parms.memsize = (int) (Q_atof(com_argv[j+1]) * 1024 * 1024);
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if ((parms.membase = malloc (parms.memsize)) == NULL)
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Sys_Error("Can't allocate %ld\n", parms.memsize);
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parms.basedir = ".";
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SV_Init (&parms);
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// run one frame immediately for first heartbeat
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SV_Frame (0.1);
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//
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// main loop
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//
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oldtime = Sys_DoubleTime () - 0.1;
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while (1)
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{
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// select on the net socket and stdin
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// the only reason we have a timeout at all is so that if the last
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// connected client times out, the message would not otherwise
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// be printed until the next event.
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FD_ZERO(&fdset);
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if (do_stdin)
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FD_SET(0, &fdset);
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FD_SET(net_socket, &fdset);
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timeout.tv_sec = 1;
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timeout.tv_usec = 0;
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if (select (net_socket+1, &fdset, NULL, NULL, &timeout) == -1)
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continue;
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stdin_ready = FD_ISSET(0, &fdset);
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// find time passed since last cycle
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newtime = Sys_DoubleTime ();
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time = newtime - oldtime;
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oldtime = newtime;
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SV_Frame (time);
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// extrasleep is just a way to generate a fucked up connection on purpose
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if (sys_extrasleep.value)
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usleep (sys_extrasleep.value);
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}
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exit(0);
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}
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