mirror of
https://github.com/nzp-team/dquakeplus.git
synced 2024-12-12 21:22:23 +00:00
160 lines
3.3 KiB
C
160 lines
3.3 KiB
C
/*
|
|
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 the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
*/
|
|
// wad.c
|
|
|
|
#include "quakedef.h"
|
|
|
|
int wad_numlumps;
|
|
lumpinfo_t *wad_lumps;
|
|
byte *wad_base;
|
|
|
|
void SwapPic (qpic_t *pic);
|
|
|
|
/*
|
|
==================
|
|
W_CleanupName
|
|
|
|
Lowercases name and pads with spaces and a terminating 0 to the length of
|
|
lumpinfo_t->name.
|
|
Used so lumpname lookups can proceed rapidly by comparing 4 chars at a time
|
|
Space padding is so names can be printed nicely in tables.
|
|
Can safely be performed in place.
|
|
==================
|
|
*/
|
|
void W_CleanupName (char *in, char *out)
|
|
{
|
|
int i;
|
|
int c;
|
|
|
|
for (i=0 ; i<16 ; i++ )
|
|
{
|
|
c = in[i];
|
|
if (!c)
|
|
break;
|
|
|
|
if (c >= 'A' && c <= 'Z')
|
|
c += ('a' - 'A');
|
|
out[i] = c;
|
|
}
|
|
|
|
for ( ; i< 16 ; i++ )
|
|
out[i] = 0;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
====================
|
|
W_LoadWadFile
|
|
====================
|
|
*/
|
|
void W_LoadWadFile (char *filename)
|
|
{
|
|
lumpinfo_t *lump_p;
|
|
wadinfo_t *header;
|
|
unsigned i;
|
|
int infotableofs;
|
|
|
|
wad_base = COM_LoadHunkFile (filename);
|
|
if (!wad_base)
|
|
Sys_Error ("W_LoadWadFile: couldn't load %s", filename);
|
|
|
|
header = (wadinfo_t *)wad_base;
|
|
|
|
if (header->identification[0] != 'W'
|
|
|| header->identification[1] != 'A'
|
|
|| header->identification[2] != 'D'
|
|
|| header->identification[3] != '2')
|
|
Sys_Error ("Wad file %s doesn't have WAD2 id\n",filename);
|
|
|
|
wad_numlumps = LittleLong(header->numlumps);
|
|
infotableofs = LittleLong(header->infotableofs);
|
|
wad_lumps = (lumpinfo_t *)(wad_base + infotableofs);
|
|
|
|
for (i=0, lump_p = wad_lumps ; i<wad_numlumps ; i++,lump_p++)
|
|
{
|
|
lump_p->filepos = LittleLong(lump_p->filepos);
|
|
lump_p->size = LittleLong(lump_p->size);
|
|
W_CleanupName (lump_p->name, lump_p->name);
|
|
if (lump_p->type == TYP_QPIC)
|
|
SwapPic ( (qpic_t *)(wad_base + lump_p->filepos));
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
=============
|
|
W_GetLumpinfo
|
|
=============
|
|
*/
|
|
lumpinfo_t *W_GetLumpinfo (char *name)
|
|
{
|
|
int i;
|
|
lumpinfo_t *lump_p;
|
|
char clean[16];
|
|
|
|
W_CleanupName (name, clean);
|
|
|
|
for (lump_p=wad_lumps, i=0 ; i<wad_numlumps ; i++,lump_p++)
|
|
{
|
|
if (!strcmp(clean, lump_p->name))
|
|
return lump_p;
|
|
}
|
|
|
|
Sys_Error ("W_GetLumpinfo: %s not found", name);
|
|
return NULL;
|
|
}
|
|
|
|
void *W_GetLumpName (char *name)
|
|
{
|
|
lumpinfo_t *lump;
|
|
|
|
lump = W_GetLumpinfo (name);
|
|
|
|
return (void *)(wad_base + lump->filepos);
|
|
}
|
|
|
|
void *W_GetLumpNum (int num)
|
|
{
|
|
lumpinfo_t *lump;
|
|
|
|
if (num < 0 || num > wad_numlumps)
|
|
Sys_Error ("W_GetLumpNum: bad number: %i", num);
|
|
|
|
lump = wad_lumps + num;
|
|
|
|
return (void *)(wad_base + lump->filepos);
|
|
}
|
|
|
|
/*
|
|
=============================================================================
|
|
|
|
automatic byte swapping
|
|
|
|
=============================================================================
|
|
*/
|
|
|
|
void SwapPic (qpic_t *pic)
|
|
{
|
|
pic->width = LittleLong(pic->width);
|
|
pic->height = LittleLong(pic->height);
|
|
}
|
|
|
|
|