mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-23 12:52:46 +00:00
36de3c147e
of pre-registered (Sys_RegisterShutdown) function before actually exiting the program. This should take care of the pain when an ncurses server crashes.
215 lines
4 KiB
C
215 lines
4 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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$Id$
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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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#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 <ctype.h>
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# include <signal.h>
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# include <stdarg.h>
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# include <sys/mman.h>
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# include <sys/types.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/qargs.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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// FIXME: minimized is not currently supported under SDL
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qboolean Minimized = false;
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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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void
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Sys_DebugLog (const char *file, const char *fmt, ...)
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{
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int fd;
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static char data[1024]; // why static ?
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va_list argptr;
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va_start (argptr, fmt);
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vsnprintf (data, sizeof (data), fmt, argptr);
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va_end (argptr);
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fd = open (file, O_WRONLY | O_CREAT | O_APPEND, 0666);
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write (fd, data, strlen (data));
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close (fd);
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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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const char *
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Sys_ConsoleInput (void)
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{
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return NULL;
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}
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#ifndef USE_INTEL_ASM
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void
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Sys_HighFPPrecision (void)
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{
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}
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void
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Sys_LowFPPrecision (void)
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{
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}
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#endif
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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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int j;
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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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host_parms.memsize = 16 * 1024 * 1024;
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j = COM_CheckParm ("-mem");
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if (j)
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host_parms.memsize = (int) (atof (com_argv[j + 1]) * 1024 * 1024);
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host_parms.membase = malloc (host_parms.memsize);
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if (!host_parms.membase) {
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printf ("Can't allocate memory for zone.\n");
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return 1;
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}
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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 (&host_parms);
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Sys_Init_Cvars ();
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Sys_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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}
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