mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-19 03:01:28 +00:00
161 lines
3 KiB
C
161 lines
3 KiB
C
/*
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sys_sdl.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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*/
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static const char rcsid[] =
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"$Id$";
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_CONIO_H
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# include <conio.h>
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#endif
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#ifdef HAVE_IO_H
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# include <io.h>
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#endif
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#ifdef HAVE_STRING_H
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# include <string.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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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include <errno.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#ifndef _WIN32
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# include <sys/types.h>
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# include <sys/mman.h>
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# include <ctype.h>
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# include <signal.h>
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# include <stdarg.h>
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#endif
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#include <SDL.h>
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#include <SDL_main.h>
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#include "QF/console.h"
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#include "QF/qargs.h"
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#include "QF/sys.h"
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#include "client.h"
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#include "compat.h"
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#include "host.h"
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qboolean isDedicated = false;
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int noconinput;
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#ifdef _WIN32
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# include "winquake.h"
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void MaskExceptions (void);
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#endif
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void
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Sys_Init (void)
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{
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#ifdef WIN32
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OSVERSIONINFO vinfo;
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#endif
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#ifdef USE_INTEL_ASM
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#ifdef _WIN32
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MaskExceptions ();
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#endif
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Sys_SetFPCW ();
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#endif
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#ifdef _WIN32
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// make sure the timer is high precision, otherwise 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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Sys_Error ("This version of " PROGRAM
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" requires at least Win95 or NT 4.0");
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}
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#endif
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}
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static void
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shutdown (void)
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{
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#ifndef _WIN32
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fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~O_NONBLOCK);
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#endif
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}
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#ifndef SDL_main
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# define SDL_main main
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#endif
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int
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SDL_main (int c, char **v)
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{
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double time, oldtime, newtime;
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#ifndef WIN32
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signal (SIGFPE, SIG_IGN);
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#endif
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memset (&host_parms, 0, sizeof (host_parms));
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COM_InitArgv (c, (const char **)v);
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host_parms.argc = com_argc;
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host_parms.argv = com_argv;
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#ifndef WIN32
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noconinput = COM_CheckParm ("-noconinput");
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if (!noconinput)
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fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) | O_NONBLOCK);
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#endif
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Sys_RegisterShutdown (Host_Shutdown);
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Sys_RegisterShutdown (shutdown);
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Host_Init ();
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oldtime = Sys_DoubleTime ();
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while (1) {
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// find time spent rendering last frame
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newtime = Sys_DoubleTime ();
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time = newtime - oldtime;
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Host_Frame (time);
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oldtime = newtime;
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}
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return 0; // shouldn't be reachable, but mingw gcc 3.1 is being weird
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}
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