mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-23 21:02:50 +00:00
216 lines
4 KiB
C
216 lines
4 KiB
C
/*
|
|
sys_sdl.c
|
|
|
|
(description)
|
|
|
|
Copyright (C) 1996-1997 Id Software, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
*/
|
|
static const char rcsid[] =
|
|
"$Id$";
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
#ifdef HAVE_CONIO_H
|
|
# include <conio.h>
|
|
#endif
|
|
#ifdef HAVE_IO_H
|
|
# include <io.h>
|
|
#endif
|
|
#ifdef HAVE_STRING_H
|
|
# include <string.h>
|
|
#endif
|
|
#ifdef HAVE_STRINGS_H
|
|
# include <strings.h>
|
|
#endif
|
|
#ifdef HAVE_UNISTD_H
|
|
# include <unistd.h>
|
|
#endif
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <limits.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#ifndef _WIN32
|
|
# include <ctype.h>
|
|
# include <signal.h>
|
|
# include <stdarg.h>
|
|
# include <sys/mman.h>
|
|
# include <sys/types.h>
|
|
#endif
|
|
|
|
#include <SDL.h>
|
|
#include <SDL_main.h>
|
|
|
|
#include "QF/qargs.h"
|
|
#include "QF/qargs.h"
|
|
#include "QF/sys.h"
|
|
|
|
#include "client.h"
|
|
#include "compat.h"
|
|
#include "host.h"
|
|
|
|
qboolean isDedicated = false;
|
|
|
|
int noconinput;
|
|
|
|
#ifdef _WIN32
|
|
# include "winquake.h"
|
|
// FIXME: minimized is not currently supported under SDL
|
|
qboolean Minimized = false;
|
|
void MaskExceptions (void);
|
|
#endif
|
|
|
|
void
|
|
Sys_Init (void)
|
|
{
|
|
#ifdef WIN32
|
|
OSVERSIONINFO vinfo;
|
|
#endif
|
|
#ifdef USE_INTEL_ASM
|
|
#ifdef _WIN32
|
|
MaskExceptions ();
|
|
#endif
|
|
Sys_SetFPCW ();
|
|
#endif
|
|
|
|
#ifdef _WIN32
|
|
// make sure the timer is high precision, otherwise NT gets 18ms resolution
|
|
timeBeginPeriod (1);
|
|
|
|
vinfo.dwOSVersionInfoSize = sizeof (vinfo);
|
|
|
|
if (!GetVersionEx (&vinfo))
|
|
Sys_Error ("Couldn't get OS info");
|
|
|
|
if ((vinfo.dwMajorVersion < 4)
|
|
|| (vinfo.dwPlatformId == VER_PLATFORM_WIN32s)) {
|
|
Sys_Error ("This version of " PROGRAM
|
|
" requires at least Win95 or NT 4.0");
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
shutdown (void)
|
|
{
|
|
#ifndef _WIN32
|
|
fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~O_NONBLOCK);
|
|
#endif
|
|
}
|
|
|
|
void
|
|
Sys_DebugLog (const char *file, const char *fmt, ...)
|
|
{
|
|
int fd;
|
|
static char data[1024]; // why static ?
|
|
va_list argptr;
|
|
|
|
va_start (argptr, fmt);
|
|
vsnprintf (data, sizeof (data), fmt, argptr);
|
|
va_end (argptr);
|
|
fd = open (file, O_WRONLY | O_CREAT | O_APPEND, 0666);
|
|
write (fd, data, strlen (data));
|
|
close (fd);
|
|
};
|
|
|
|
/*
|
|
Sys_ConsoleInput
|
|
|
|
Checks for a complete line of text typed in at the console, then forwards
|
|
it to the host command processor
|
|
*/
|
|
const char *
|
|
Sys_ConsoleInput (void)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
#ifndef USE_INTEL_ASM
|
|
void
|
|
Sys_HighFPPrecision (void)
|
|
{
|
|
}
|
|
|
|
void
|
|
Sys_LowFPPrecision (void)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
#ifndef SDL_main
|
|
# define SDL_main main
|
|
#endif
|
|
|
|
int
|
|
SDL_main (int c, char **v)
|
|
{
|
|
int j;
|
|
double time, oldtime, newtime;
|
|
|
|
#ifndef WIN32
|
|
signal (SIGFPE, SIG_IGN);
|
|
#endif
|
|
|
|
memset (&host_parms, 0, sizeof (host_parms));
|
|
|
|
COM_InitArgv (c, (const char **)v);
|
|
host_parms.argc = com_argc;
|
|
host_parms.argv = com_argv;
|
|
|
|
host_parms.memsize = 16 * 1024 * 1024;
|
|
|
|
j = COM_CheckParm ("-mem");
|
|
if (j)
|
|
host_parms.memsize = (int) (atof (com_argv[j + 1]) * 1024 * 1024);
|
|
host_parms.membase = malloc (host_parms.memsize);
|
|
|
|
if (!host_parms.membase) {
|
|
printf ("Can't allocate memory for zone.\n");
|
|
return 1;
|
|
}
|
|
#ifndef WIN32
|
|
noconinput = COM_CheckParm ("-noconinput");
|
|
if (!noconinput)
|
|
fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) | O_NONBLOCK);
|
|
#endif
|
|
|
|
Sys_RegisterShutdown (Host_Shutdown);
|
|
Sys_RegisterShutdown (shutdown);
|
|
|
|
Host_Init (&host_parms);
|
|
|
|
Sys_Init_Cvars ();
|
|
Sys_Init ();
|
|
|
|
oldtime = Sys_DoubleTime ();
|
|
while (1) {
|
|
// find time spent rendering last frame
|
|
newtime = Sys_DoubleTime ();
|
|
time = newtime - oldtime;
|
|
|
|
Host_Frame (time);
|
|
oldtime = newtime;
|
|
}
|
|
}
|