347 lines
8 KiB
C
347 lines
8 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;
|
||
|
|
|
||
|
|
#if 0
|
||
|
|
//johnfitz -- modified to use malloc
|
||
|
|
//TODO: use cache_alloc
|
||
|
|
//TODO: allow for multiple wads
|
||
|
|
int h, len;
|
||
|
|
|
||
|
|
//Draw_BeginDisc ();
|
||
|
|
free (wad_base);
|
||
|
|
len = COM_OpenFile (filename, &h);
|
||
|
|
if (h == -1)
|
||
|
|
Sys_Error ("W_LoadWadFile: couldn't load %s", filename);
|
||
|
|
wad_base = (unsigned char *)malloc (len);
|
||
|
|
Sys_FileRead (h, wad_base, len);
|
||
|
|
COM_CloseFile (h);
|
||
|
|
//Draw_EndDisc ();
|
||
|
|
//johnfitz
|
||
|
|
#else
|
||
|
|
wad_base = COM_LoadHunkFile (filename);
|
||
|
|
if (!wad_base)
|
||
|
|
Sys_Error ("W_LoadWadFile: couldn't load %s", filename);
|
||
|
|
#endif
|
||
|
|
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<(unsigned)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);
|
||
|
|
}
|
||
|
|
|
||
|
|
#define TEXWAD_MAXIMAGES 16384
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
char name[16];
|
||
|
|
FILE *file;
|
||
|
|
int position;
|
||
|
|
int size;
|
||
|
|
} texwadlump_t;
|
||
|
|
|
||
|
|
texwadlump_t texwadlump[TEXWAD_MAXIMAGES];
|
||
|
|
|
||
|
|
/*
|
||
|
|
====================
|
||
|
|
W_LoadTextureWadFile
|
||
|
|
====================
|
||
|
|
*/
|
||
|
|
void W_LoadTextureWadFile (char *filename, int complain)
|
||
|
|
{
|
||
|
|
lumpinfo_t *lumps, *lump_p;
|
||
|
|
wadinfo_t header;
|
||
|
|
unsigned i, j;
|
||
|
|
int infotableofs;
|
||
|
|
FILE *file;
|
||
|
|
int numlumps;
|
||
|
|
|
||
|
|
COM_FOpenFile (filename, &file);
|
||
|
|
if (!file)
|
||
|
|
{
|
||
|
|
if (complain)
|
||
|
|
Con_Printf ("W_LoadTextureWadFile: couldn't find %s\n", filename);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (fread(&header, sizeof(wadinfo_t), 1, file) != 1)
|
||
|
|
{Con_Printf ("W_LoadTextureWadFile: unable to read wad header");return;}
|
||
|
|
|
||
|
|
if(header.identification[0] != 'W'
|
||
|
|
|| header.identification[1] != 'A'
|
||
|
|
|| header.identification[2] != 'D'
|
||
|
|
|| header.identification[3] != '3')
|
||
|
|
{
|
||
|
|
Con_Printf ("W_LoadTextureWadFile: Wad file %s doesn't have WAD3 id\n",filename);
|
||
|
|
//return;
|
||
|
|
}
|
||
|
|
|
||
|
|
numlumps = LittleLong(header.numlumps);
|
||
|
|
if (numlumps < 1 || numlumps > TEXWAD_MAXIMAGES)
|
||
|
|
{Con_Printf ("W_LoadTextureWadFile: invalid number of lumps (%i)\n", numlumps);return;}
|
||
|
|
infotableofs = LittleLong(header.infotableofs);
|
||
|
|
if (fseek(file, infotableofs, SEEK_SET))
|
||
|
|
{Con_Printf ("W_LoadTextureWadFile: unable to seek to lump table");return;}
|
||
|
|
if (!(lumps = malloc(sizeof(lumpinfo_t)*numlumps)))
|
||
|
|
{Con_Printf ("W_LoadTextureWadFile: unable to allocate temporary memory for lump table");return;}
|
||
|
|
|
||
|
|
if (fread(lumps, sizeof(lumpinfo_t), numlumps, file) != (unsigned)numlumps)
|
||
|
|
{Con_Printf ("W_LoadTextureWadFile: unable to read lump table");return;}
|
||
|
|
|
||
|
|
for (i=0, lump_p = lumps ; i<(unsigned)numlumps ; i++,lump_p++)
|
||
|
|
{
|
||
|
|
W_CleanupName (lump_p->name, lump_p->name);
|
||
|
|
for (j = 0;j < TEXWAD_MAXIMAGES;j++)
|
||
|
|
{
|
||
|
|
if (texwadlump[j].name[0]) // occupied slot, check the name
|
||
|
|
{
|
||
|
|
if (!strcmp(lump_p->name, texwadlump[j].name)) // name match, replace old one
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
else // empty slot
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
if (j >= TEXWAD_MAXIMAGES)
|
||
|
|
break; // abort loading
|
||
|
|
|
||
|
|
W_CleanupName (lump_p->name, texwadlump[j].name);
|
||
|
|
texwadlump[j].file = file;
|
||
|
|
texwadlump[j].position = LittleLong(lump_p->filepos);
|
||
|
|
texwadlump[j].size = LittleLong(lump_p->disksize);
|
||
|
|
}
|
||
|
|
free(lumps);
|
||
|
|
// leaves the file open
|
||
|
|
}
|
||
|
|
|
||
|
|
byte *W_ConvertWAD3Texture(miptex_t *tex)
|
||
|
|
{
|
||
|
|
byte *in, *data, *out, *pal;
|
||
|
|
int d, p;
|
||
|
|
|
||
|
|
in = (byte *)((int) tex + tex->offsets[0]);
|
||
|
|
data = out = malloc(tex->width * tex->height * 4);
|
||
|
|
|
||
|
|
if (!data)
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
image_width = tex->width;
|
||
|
|
image_height = tex->height;
|
||
|
|
pal = in + (((image_width * image_height) * 85) >> 6);
|
||
|
|
pal += 2;
|
||
|
|
|
||
|
|
for (d = 0;d < image_width * image_height;d++)
|
||
|
|
{
|
||
|
|
p = *in++;
|
||
|
|
if (tex->name[0] == '{' && p == 255)
|
||
|
|
out[0] = out[1] = out[2] = out[3] = 0;
|
||
|
|
else
|
||
|
|
{
|
||
|
|
p *= 3;
|
||
|
|
out[0] = pal[p];
|
||
|
|
out[1] = pal[p+1];
|
||
|
|
out[2] = pal[p+2];
|
||
|
|
out[3] = 255;
|
||
|
|
}
|
||
|
|
out += 4;
|
||
|
|
}
|
||
|
|
return data;
|
||
|
|
}
|
||
|
|
|
||
|
|
byte *W_GetTexture(char *name)
|
||
|
|
{
|
||
|
|
char texname[17];
|
||
|
|
int i, j;
|
||
|
|
FILE *file;
|
||
|
|
miptex_t *tex;
|
||
|
|
byte *data;
|
||
|
|
|
||
|
|
texname[16] = 0;
|
||
|
|
|
||
|
|
W_CleanupName (name, texname);
|
||
|
|
|
||
|
|
for (i = 0;i < TEXWAD_MAXIMAGES;i++)
|
||
|
|
{
|
||
|
|
if (texwadlump[i].name[0])
|
||
|
|
{
|
||
|
|
if (!strcmp(texname, texwadlump[i].name)) // found it
|
||
|
|
{
|
||
|
|
file = texwadlump[i].file;
|
||
|
|
if (fseek(file, texwadlump[i].position, SEEK_SET))
|
||
|
|
{
|
||
|
|
Con_Printf("W_GetTexture: corrupt WAD3 file");
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
tex = malloc(texwadlump[i].size);
|
||
|
|
|
||
|
|
if (!tex)
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
if (fread(tex, 1, texwadlump[i].size, file) < (unsigned)texwadlump[i].size)
|
||
|
|
{
|
||
|
|
free(tex); //Tei: fixed memory leak, thanks to Jeff Qbism
|
||
|
|
Con_Printf("W_GetTexture: corrupt WAD3 file");
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
tex->width = LittleLong(tex->width);
|
||
|
|
tex->height = LittleLong(tex->height);
|
||
|
|
for (j = 0;j < MIPLEVELS;j++)
|
||
|
|
tex->offsets[j] = LittleLong(tex->offsets[j]);
|
||
|
|
|
||
|
|
data = W_ConvertWAD3Texture(tex);
|
||
|
|
|
||
|
|
free(tex);
|
||
|
|
|
||
|
|
return data;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
image_width = image_height = 0;
|
||
|
|
return NULL;
|
||
|
|
}
|