162 lines
3.6 KiB
C
162 lines
3.6 KiB
C
/*
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Copyright (C) 1996-2001 Id Software, Inc.
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Copyright (C) 2002-2005 John Fitzgibbons and others
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Copyright (C) 2007-2008 Kristian Duske
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Copyright (C) 2010-2014 QuakeSpasm developers
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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 the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "quakedef.h"
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#if defined(SDL_FRAMEWORK) || defined(NO_SDL_CONFIG)
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#if defined(USE_SDL2)
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#include <SDL2/SDL.h>
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#else
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#include <SDL/SDL.h>
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#endif
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#else
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#include "SDL.h"
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#endif
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#include <stdio.h>
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static void Sys_AtExit (void)
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{
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SDL_Quit();
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}
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static void Sys_InitSDL (void)
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{
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#if defined(USE_SDL2)
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SDL_version v;
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SDL_version *sdl_version = &v;
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SDL_GetVersion(&v);
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#else
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const SDL_version *sdl_version = SDL_Linked_Version();
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#endif
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Sys_Printf("Found SDL version %i.%i.%i\n",sdl_version->major,sdl_version->minor,sdl_version->patch);
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if (SDL_Init(0) < 0) {
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Sys_Error("Couldn't init SDL: %s", SDL_GetError());
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}
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atexit(Sys_AtExit);
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}
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#define DEFAULT_MEMORY (256 * 1024 * 1024) // ericw -- was 72MB (64-bit) / 64MB (32-bit)
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static quakeparms_t parms;
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// On OS X we call SDL_main from the launcher, but SDL2 doesn't redefine main
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// as SDL_main on OS X anymore, so we do it ourselves.
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#if defined(USE_SDL2) && defined(__APPLE__)
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#define main SDL_main
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#endif
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int main(int argc, char *argv[])
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{
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int t;
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double time, oldtime, newtime;
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host_parms = &parms;
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parms.basedir = ".";
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parms.argc = argc;
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parms.argv = argv;
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parms.errstate = 0;
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COM_InitArgv(parms.argc, parms.argv);
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isDedicated = (COM_CheckParm("-dedicated") != 0);
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Sys_InitSDL ();
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Sys_Init();
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parms.memsize = DEFAULT_MEMORY;
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if (COM_CheckParm("-heapsize"))
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{
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t = COM_CheckParm("-heapsize") + 1;
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if (t < com_argc)
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parms.memsize = Q_atoi(com_argv[t]) * 1024;
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}
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parms.membase = malloc (parms.memsize);
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if (!parms.membase)
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Sys_Error ("Not enough memory free; check disk space\n");
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Sys_Printf("Quake %1.2f (c) id Software\n", VERSION);
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Sys_Printf("GLQuake %1.2f (c) id Software\n", GLQUAKE_VERSION);
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Sys_Printf("FitzQuake %1.2f (c) John Fitzgibbons\n", FITZQUAKE_VERSION);
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Sys_Printf("FitzQuake SDL port (c) SleepwalkR, Baker\n");
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Sys_Printf("QuakeSpasm " QUAKESPASM_VER_STRING " (c) Ozkan Sezer, Eric Wasylishen & others\n");
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Sys_Printf("Host_Init\n");
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Host_Init();
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oldtime = Sys_DoubleTime();
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if (isDedicated)
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{
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while (1)
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{
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newtime = Sys_DoubleTime ();
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time = newtime - oldtime;
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while (time < sys_ticrate.value )
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{
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SDL_Delay(1);
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newtime = Sys_DoubleTime ();
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time = newtime - oldtime;
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}
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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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else
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while (1)
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{
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/* If we have no input focus at all, sleep a bit */
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if (!VID_HasMouseOrInputFocus() || cl.paused)
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{
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SDL_Delay(16);
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}
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/* If we're minimised, sleep a bit more */
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if (VID_IsMinimized())
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{
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scr_skipupdate = 1;
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SDL_Delay(32);
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}
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else
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{
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scr_skipupdate = 0;
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}
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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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if (time < sys_throttle.value && !cls.timedemo)
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SDL_Delay(1);
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oldtime = newtime;
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}
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return 0;
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}
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