mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-12-11 21:31:30 +00:00
5f93c115ff
They're now an enum, and the flag part of the name is all lowercase, but now the flag definitions and names list will never get out of sync.
140 lines
3.1 KiB
C
140 lines
3.1 KiB
C
/*
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wad.c
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(description)
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Copyright (C) 1996-1997 Id Software, Inc.
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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:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include "QF/cvar.h"
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#include "QF/qendian.h"
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#include "QF/quakefs.h"
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#include "QF/sys.h"
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#include "QF/wad.h"
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int wad_numlumps;
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lumpinfo_t *wad_lumps;
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byte *wad_base;
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/*
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W_CleanupName
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Lowercases name and pads with spaces and a terminating 0 to the length of
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lumpinfo_t->name. Used so lumpname lookups can proceed rapidly by
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comparing 4 chars at a time Space padding is so names can be printed
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nicely in tables. Can safely be performed in place.
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*/
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static void
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W_CleanupName (const char *in, char *out)
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{
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int i;
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int c;
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for (i = 0; i < 16; i++) {
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c = in[i];
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if (!c)
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break;
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if (c >= 'A' && c <= 'Z')
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c += ('a' - 'A');
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out[i] = c;
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}
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for (; i < 16; i++)
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out[i] = 0;
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}
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VISIBLE void
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W_LoadWadFile (const char *filename)
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{
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lumpinfo_t *lump_p;
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wadinfo_t *header;
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int i;
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int infotableofs;
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wad_base = QFS_LoadHunkFile (QFS_FOpenFile (filename));
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if (!wad_base)
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Sys_Error ("W_LoadWadFile: unable to load %s", filename);
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header = (wadinfo_t *) wad_base;
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if (header->id[0] != 'W' || header->id[1] != 'A' || header->id[2] != 'D'
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|| header->id[3] != '2')
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Sys_Error ("Wad file %s doesn't have WAD2 id", filename);
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wad_numlumps = LittleLong (header->numlumps);
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infotableofs = LittleLong (header->infotableofs);
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wad_lumps = (lumpinfo_t *) (wad_base + infotableofs);
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for (i = 0, lump_p = wad_lumps; i < wad_numlumps; i++, lump_p++) {
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lump_p->filepos = LittleLong (lump_p->filepos);
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lump_p->size = LittleLong (lump_p->size);
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W_CleanupName (lump_p->name, lump_p->name);
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if (lump_p->type == TYP_QPIC)
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SwapPic ((qpic_t *) (wad_base + lump_p->filepos));
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}
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}
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static lumpinfo_t *
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W_GetLumpinfo (const char *name)
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{
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int i;
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lumpinfo_t *lump_p;
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char clean[16];
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W_CleanupName (name, clean);
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for (lump_p = wad_lumps, i = 0; i < wad_numlumps; i++, lump_p++) {
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if (!strcmp (clean, lump_p->name))
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return lump_p;
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}
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Sys_MaskPrintf (SYS_warn, "W_GetLumpinfo: %s not found", name);
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return NULL;
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}
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VISIBLE void *
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W_GetLumpName (const char *name)
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{
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lumpinfo_t *lump;
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lump = W_GetLumpinfo (name);
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return (void *) (wad_base + lump->filepos);
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}
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VISIBLE void
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SwapPic (qpic_t *pic)
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{
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pic->width = LittleLong (pic->width);
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pic->height = LittleLong (pic->height);
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}
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