mirror of
https://git.code.sf.net/p/quake/newtree
synced 2024-12-11 21:00:50 +00:00
298 lines
5.1 KiB
C
298 lines
5.1 KiB
C
/*
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sys_win.c
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(description)
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Copyright (C) 1996-1997 Id Software, Inc.
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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:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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$Id$
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdlib.h>
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#include <ctype.h>
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#include <winsock.h>
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#include <conio.h>
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#include "qargs.h"
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#include "cvar.h"
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#include "server.h"
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#include "sys.h"
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qboolean is_server = true;
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qboolean WinNT;
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cvar_t *sys_nostdout;
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cvar_t *sys_sleep;
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/*
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================
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Sys_FileTime
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================
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*/
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int Sys_FileTime (char *path)
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{
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FILE *f;
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f = fopen(path, "rb");
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if (f)
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{
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fclose(f);
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return 1;
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}
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return -1;
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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 text[1024];
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va_start (argptr,error);
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vsnprintf (text, sizeof(text), error,argptr);
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va_end (argptr);
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// MessageBox(NULL, text, "Error", 0 /* MB_OK */ );
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printf ("ERROR: %s\n", text);
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exit (1);
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}
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/*
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================
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Sys_ConsoleInput
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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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static int len;
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int c;
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// read a line out
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while (kbhit())
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{
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c = _getch();
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putch (c);
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if (c == '\r')
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{
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text[len] = 0;
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putch ('\n');
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len = 0;
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return text;
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}
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if (c == 8)
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{
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if (len)
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{
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putch (' ');
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putch (c);
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len--;
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text[len] = 0;
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}
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continue;
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}
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text[len] = c;
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len++;
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text[len] = 0;
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if (len == sizeof(text))
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len = 0;
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}
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return NULL;
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}
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/*
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================
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Sys_Printf
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================
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*/
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void Sys_Printf (char *fmt, ...)
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{
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va_list argptr;
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if (sys_nostdout->value)
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return;
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va_start (argptr,fmt);
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vprintf (fmt,argptr);
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va_end (argptr);
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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);
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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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OSVERSIONINFO vinfo;
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sys_nostdout = Cvar_Get("sys_nostdout", "0", CVAR_NONE, "None");
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sys_sleep = Cvar_Get("sys_sleep", "8", CVAR_NONE, "None");
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// make sure the timer is high precision, otherwise
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// NT gets 18ms resolution
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timeBeginPeriod( 1 );
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vinfo.dwOSVersionInfoSize = sizeof(vinfo);
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if (!GetVersionEx (&vinfo))
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Sys_Error ("Couldn't get OS info");
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if ((vinfo.dwMajorVersion < 4) ||
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(vinfo.dwPlatformId == VER_PLATFORM_WIN32s))
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{
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Sys_Error (PROGRAM " requires at least Win95 or NT 4.0");
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}
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if (vinfo.dwPlatformId == VER_PLATFORM_WIN32_NT)
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WinNT = true;
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else
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WinNT = false;
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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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char *newargv[256];
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int main (int argc, char **argv)
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{
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quakeparms_t parms;
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double newtime, time, oldtime;
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struct timeval timeout;
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fd_set fdset;
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int t;
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int sleep_msec;
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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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if ((t = COM_CheckParm ("-heapsize")) != 0 &&
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t + 1 < com_argc)
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parms.memsize = atoi (com_argv[t + 1]) * 1024;
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if ((t = COM_CheckParm ("-mem")) != 0 &&
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t + 1 < com_argc)
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parms.memsize = atoi (com_argv[t + 1]) * 1024 * 1024;
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parms.membase = malloc (parms.memsize);
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if (!parms.membase)
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Sys_Error("Insufficient memory.\n");
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parms.basedir = ".";
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SV_Init (&parms);
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if (COM_CheckParm ("-nopriority"))
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{
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Cvar_Set (sys_sleep, "0");
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}
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else
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{
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if ( ! SetPriorityClass (GetCurrentProcess(), HIGH_PRIORITY_CLASS))
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Con_Printf ("SetPriorityClass() failed\n");
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else
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Con_Printf ("Process priority class set to HIGH\n");
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}
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// sys_sleep > 0 seems to cause packet loss on WinNT (why?)
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if (WinNT)
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Cvar_Set (sys_sleep, "0");
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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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// Now we want to give some processing time to other applications,
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// such as qw_client, running on this machine.
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sleep_msec = sys_sleep->value;
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if (sleep_msec > 0)
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{
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if (sleep_msec > 13)
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sleep_msec = 13;
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Sleep (sleep_msec);
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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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FD_SET(net_socket, &fdset);
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timeout.tv_sec = 0;
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timeout.tv_usec = 100;
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if (select (net_socket+1, &fdset, NULL, NULL, &timeout) == -1)
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continue;
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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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}
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return true;
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}
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