232 lines
4.1 KiB
C
232 lines
4.1 KiB
C
/*
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cl_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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#include <stdio.h>
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#include <stdlib.h>
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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 <io.h>
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#include <conio.h>
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#ifndef _WIN32
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# include <unistd.h>
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# include <stdarg.h>
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# include <string.h>
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# include <ctype.h>
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# include <fcntl.h>
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# include <signal.h>
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# include <limits.h>
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# include <sys/types.h>
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# include <sys/mman.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/sys.h"
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#include "QF/qargs.h"
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#include "QF/qargs.h"
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#include "client.h"
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#include "host.h"
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qboolean is_server = false;
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char *svs_info;
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int starttime;
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#ifdef _WIN32
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# include "winquake.h"
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// FIXME: minimized is not currently supported under
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// 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_DebugLog (char *file, 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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SYSTEM IO
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*/
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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
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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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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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void
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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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#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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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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#ifdef WIN32
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MessageBox (NULL, text, "Error", 0 /* MB_OK */ );
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#endif
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fprintf (stderr, "Error: %s\n", text);
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Host_Shutdown ();
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exit (1);
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}
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void
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Sys_Quit (void)
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{
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Host_Shutdown ();
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exit (0);
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}
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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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void
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Sys_Sleep (void)
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{
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}
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void
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Sys_Init_Cvars (void)
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{
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sys_nostdout = Cvar_Get ("sys_nostdout", "0", CVAR_NONE, NULL,
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"Set to disable std out");
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if (COM_CheckParm ("-nostdout"))
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Cvar_Set (sys_nostdout, "1");
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}
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C_LINKAGE 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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int j, t;
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static char cwd[1024];
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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, 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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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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}
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