mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-30 08:00:51 +00:00
cca9983a48
This also makes functionality consistent across the platforms, such as adding support for -dedicated to sdl based nq, and various timing calculations are now consistent.
143 lines
2.7 KiB
C
143 lines
2.7 KiB
C
/*
|
|
cl_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
|
|
|
|
*/
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
static __attribute__ ((used)) const char rcsid[] =
|
|
"$Id$";
|
|
|
|
#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
|
|
|
|
#ifdef HAVE_FCNTL_H
|
|
# include <fcntl.h>
|
|
#else
|
|
# include <sys/fcntl.h>
|
|
#endif
|
|
|
|
#ifndef _WIN32
|
|
# include <signal.h>
|
|
#endif
|
|
|
|
#include <SDL.h>
|
|
#include <SDL_main.h>
|
|
|
|
#include "QF/qargs.h"
|
|
#include "QF/sys.h"
|
|
|
|
#include "host.h"
|
|
#include "netchan.h"
|
|
|
|
#ifdef _WIN32
|
|
# include "winquake.h"
|
|
#endif
|
|
|
|
int qf_sdl_link;
|
|
|
|
static void
|
|
startup (void)
|
|
{
|
|
#ifdef _WIN32
|
|
OSVERSIONINFO vinfo;
|
|
Sys_MaskFPUExceptions ();
|
|
|
|
// 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 " PACKAGE_NAME
|
|
" requires at least Win95 or NT 4.0");
|
|
}
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
shutdown_f (void)
|
|
{
|
|
#ifndef _WIN32
|
|
// change stdin to blocking
|
|
fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) & ~O_NONBLOCK);
|
|
fflush (stdout);
|
|
#endif
|
|
}
|
|
|
|
#ifndef SDL_main
|
|
# define SDL_main main
|
|
#endif
|
|
|
|
int
|
|
SDL_main (int argc, const char **argv)
|
|
{
|
|
double time, oldtime, newtime;
|
|
|
|
startup ();
|
|
|
|
memset (&host_parms, 0, sizeof (host_parms));
|
|
|
|
COM_InitArgv (argc, argv);
|
|
host_parms.argc = com_argc;
|
|
host_parms.argv = com_argv;
|
|
|
|
if (!COM_CheckParm ("-noconinput"))
|
|
fcntl (0, F_SETFL, fcntl (0, F_GETFL, 0) | O_NONBLOCK);
|
|
|
|
Sys_RegisterShutdown (Host_Shutdown);
|
|
Sys_RegisterShutdown (Net_LogStop);
|
|
Sys_RegisterShutdown (shutdown_f);
|
|
|
|
Host_Init ();
|
|
|
|
oldtime = Sys_DoubleTime ();
|
|
while (1) { // Main message loop
|
|
// find time spent rendering last frame
|
|
newtime = Sys_DoubleTime ();
|
|
time = newtime - oldtime;
|
|
|
|
Host_Frame (time);
|
|
oldtime = newtime;
|
|
}
|
|
}
|