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// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// $Id: i_system.c 120 2005-09-22 13:13:47Z fraggle $
//
// Copyright(C) 1993-1996 Id Software, Inc.
// Copyright(C) 2005 Simon Howard
//
// 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 the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.
//
// $Log$
// Revision 1.10 2005/09/22 13:13:47 fraggle
// Remove external statistics driver support (-statcopy):
// nonfunctional on modern systems and never used.
// Fix for systems where sizeof(int) != sizeof(void *)
//
// Revision 1.9 2005/09/08 22:10:40 fraggle
// Delay calls so we don't use the entire CPU
//
// Revision 1.8 2005/09/06 22:39:43 fraggle
// Restore -nosound, -nosfx, -nomusic
//
// Revision 1.7 2005/08/04 18:42:15 fraggle
// Silence compiler warnings
//
// Revision 1.6 2005/08/04 01:14:37 fraggle
// Begin/EndRead now in i_video.c
//
// Revision 1.5 2005/07/25 20:41:59 fraggle
// Port timer code to SDL
//
// Revision 1.4 2005/07/23 19:42:56 fraggle
// Startup messages as in the DOS exes
//
// Revision 1.3 2005/07/23 18:56:07 fraggle
// Remove unneccessary pragmas
//
// Revision 1.2 2005/07/23 16:44:55 fraggle
// Update copyright to GNU GPL
//
// Revision 1.1.1.1 2005/07/23 16:20:39 fraggle
// Initial import
//
//
// DESCRIPTION:
//
//-----------------------------------------------------------------------------
static const char
rcsid[] = "$Id: i_system.c 120 2005-09-22 13:13:47Z fraggle $";
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <SDL.h>
#include "doomdef.h"
#include "m_misc.h"
#include "i_video.h"
#include "i_sound.h"
#include "d_net.h"
#include "g_game.h"
#include "i_system.h"
int mb_used = 6;
void
I_Tactile
( int on,
int off,
int total )
{
// UNUSED.
on = off = total = 0;
}
ticcmd_t emptycmd;
ticcmd_t* I_BaseTiccmd(void)
{
return &emptycmd;
}
int I_GetHeapSize (void)
{
return mb_used*1024*1024;
}
byte* I_ZoneBase (int* size)
{
byte *zonemem;
*size = mb_used*1024*1024;
zonemem = malloc (*size);
printf("zone memory: %p, %x allocated for zone\n",
zonemem, *size);
return zonemem;
}
//
// I_GetTime
// returns time in 1/70th second tics
//
int I_GetTime (void)
{
static Uint32 basetime = 0;
Uint32 ticks;
ticks = SDL_GetTicks();
if (basetime == 0)
basetime = ticks;
ticks -= basetime;
return (ticks * 35) / 1000;
}
//
// I_Init
//
void I_Init (void)
{
I_InitSound();
I_InitMusic();
// initialise timer
SDL_Init(SDL_INIT_TIMER);
}
//
// I_Quit
//
void I_Quit (void)
{
D_QuitNetGame ();
I_ShutdownSound();
I_ShutdownMusic();
M_SaveDefaults ();
I_ShutdownGraphics();
exit(0);
}
void I_WaitVBL(int count)
{
SDL_Delay((count * 1000) / 70);
}
// Sleep for a specified number of ms
void I_Sleep(int ms)
{
SDL_Delay(ms);
}
byte* I_AllocLow(int length)
{
byte* mem;
mem = (byte *)malloc (length);
memset (mem,0,length);
return mem;
}
//
// I_Error
//
extern boolean demorecording;
void I_Error (char *error, ...)
{
va_list argptr;
// Message first.
va_start (argptr,error);
fprintf (stderr, "Error: ");
vfprintf (stderr,error,argptr);
fprintf (stderr, "\n");
va_end (argptr);
fflush( stderr );
// Shutdown. Here might be other errors.
if (demorecording)
G_CheckDemoStatus();
D_QuitNetGame ();
I_ShutdownGraphics();
exit(-1);
}
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