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// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// $Id:$
//
// Copyright (C) 1993-1996 by id Software, Inc.
//
// This source is available for distribution and/or modification
// only under the terms of the DOOM Source Code License as
// published by id Software. All rights reserved.
//
// The source is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
// for more details.
//
// $Log:$
//
// DESCRIPTION:
//
//-----------------------------------------------------------------------------
#include "gfx.h"
#include "doomdef.h"
#include "m_misc.h"
#include "i_video.h"
#include "i_sound.h"
#include "d_net.h"
#include "g_game.h"
#ifdef __GNUG__
#pragma implementation "i_system.h"
#endif
#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)
{
*size = mb_used*1024*1024;
return (byte *) gfxAlloc (*size);
}
//
// I_GetTime
// returns time in 1/70th second tics
//
int I_GetTime (void)
{
systemticks_t tdiv;
tdiv = gfxMillisecondsToTicks(1000*256/TICRATE);
return (gfxSystemTicks()<<8)/tdiv;
}
//
// I_Init
//
void I_Init (void)
{
I_InitSound();
// I_InitGraphics();
}
//
// I_Quit
//
void I_Quit (void)
{
D_QuitNetGame ();
I_ShutdownSound();
I_ShutdownMusic();
M_SaveDefaults ();
I_ShutdownGraphics();
gfxExit();
}
void I_WaitVBL(int count)
{
gfxSleepMilliseconds(1000/TICRATE);
}
void I_BeginRead(void)
{
}
void I_EndRead(void)
{
}
byte* I_AllocLow(int length)
{
byte* mem;
mem = (byte *)gfxAlloc (length);
memset (mem,0,length);
return mem;
}
//
// I_Error
//
extern boolean demorecording;
void I_Error (char *error, ...)
{
#if 0
va_list argptr;
// Message first.
va_start (argptr,error);
fprintf (stderr, "Error: ");
vfprintf (stderr,error,argptr);
fprintf (stderr, "\n");
va_end (argptr);
fflush( stderr );
#endif
// Shutdown. Here might be other errors.
if (demorecording)
G_CheckDemoStatus();
D_QuitNetGame ();
I_ShutdownGraphics();
gfxHalt(error);
}
#include "doom1_wad.h"
#define F1NAME "doom1.wad"
#define F1SIZE 4196020
#define F1HANDLE 313 // Some random number > 2
static size_t f1pos;
int I_HaveFile(char *fname) {
return !strcmp(fname, F1NAME);
}
int I_FileSize(int handle) {
return handle == F1HANDLE ? F1SIZE : 0;
}
int I_FileRead(int handle, char *buf, int len) {
if (handle != F1HANDLE || len <= 0) return 0;
if (f1pos + len > F1SIZE)
len = F1SIZE - f1pos;
memcpy(buf, doom1_wad+f1pos, len);
return len;
}
void I_FilePos(int handle, int pos) {
if (handle != F1HANDLE) return;
if (pos > F1SIZE)
pos = F1SIZE;
f1pos = pos;
}
int I_FileOpenRead(char *fname) {
return strcmp(fname, F1NAME) ? -1 : F1HANDLE;
}
void I_FileClose(int handle) {
}
void *I_Realloc(void *p, int nsize) {
return gfxRealloc(p, 0 /* Oops - we don't know this */, nsize);
}
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