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- /*
- * Copyright (C) 1996 by Raphael Quinet. All rights reserved.
- *
- * Permission to use, copy, modify, and distribute this software and
- * its documentation for any purpose and without fee is hereby
- * granted, provided that the above copyright notice appear in all
- * copies and that both that copyright notice and this permission
- * notice appear in supporting documentation. If more than a few
- * lines of this code are used in a program which displays a copyright
- * notice or credit notice, the following acknowledgment must also be
- * displayed on the same screen: "This product includes software
- * developed by Raphael Quinet for use in the Quake Editing Utilities
- * project." THIS SOFTWARE IS PROVIDED "AS IS" WITHOUT EXPRESS OR
- * IMPLIED WARRANTY.
- *
- * More information about the QEU project can be found on the WWW:
- * "http://www.montefiore.ulg.ac.be/~quinet/games/editing.html" or by
- * mail: Raphael Quinet, 9 rue des Martyrs, B-4550 Nandrin, Belgium.
- */
-
- /*
- * F_WAD2.C - Read and write Quake WAD2 files.
- */
-
- #include "qeu.h"
- #include "q_misc.h"
- #include "q_files.h"
- #include "f_bitmap.h"
- #include "f_wad2.h"
-
- /*
- * Read the WAD2 directory into memory. The optional offset to the
- * start of the WAD2 file is given in "offset". The number of entries in
- * the directory is returned in *dirsize_r.
- */
- WAD2DirPtr ReadWAD2Directory(FILE *wadfile, UInt32 offset, UInt16 *dirsize_r)
- {
- WAD2DirPtr dir;
- UInt32 pos, size;
- UInt16 max, i;
-
- *dirsize_r = 0;
- if (wadfile == NULL)
- return NULL;
- if ((fseek(wadfile, offset, SEEK_SET) < 0)
- || (ReadMagic(wadfile) != FTYPE_WAD2)
- || (ReadInt32(wadfile, &size) == FALSE)
- || (ReadInt32(wadfile, &pos) == FALSE)
- || (size == 0L)
- || (size > 65535L)
- || (fseek(wadfile, pos, SEEK_SET) < 0))
- return NULL;
- dir = (WAD2DirPtr)QMalloc(size * sizeof(struct WAD2Directory));
- max = (UInt16)size;
- for (i = 0; i < max; i++)
- {
- if (ReadBytes(wadfile, &dir[i], sizeof(struct WAD2Directory)) == FALSE)
- {
- QFree(dir);
- return NULL;
- }
- dir[i].offset = SwapInt32(dir[i].offset);
- dir[i].size = SwapInt32(dir[i].size);
- dir[i].dsize = SwapInt32(dir[i].dsize);
- }
- *dirsize_r = max;
- return dir;
- }
-
-
- /*
- * Return the index number of the first entry matching "entryname".
- * A number greater or equal to dirsize is returned if no match is found.
- */
- UInt16 FindWAD2Entry(WAD2DirPtr dir, UInt16 dirsize, char *entryname)
- {
- UInt16 i;
-
- if (dir == NULL)
- ProgError("BUG: Cannot find entry in NULL directory");
- for (i = 0; i < dirsize; i++)
- if (!strnicmp(dir[i].name, entryname, 16))
- return i;
- return i;
- }
-
-
- /*
- * Print the contents of the WAD2 directory in "outf".
- */
- void DumpWAD2Directory(FILE *outf, WAD2DirPtr dir, UInt16 dirsize)
- {
- UInt16 i;
- UInt32 sum;
- char buf[17];
-
- if (outf == NULL || dir == NULL || dirsize == 0)
- return;
- fprintf(outf, "num offset size size type cmpr entry name\n");
- fprintf(outf, " (hex) (dec) (dec)\n");
- sum = 0L;
- for (i = 0; i < dirsize; i++)
- {
- strncpy(buf, dir[i].name, 16);
- buf[16] = '\0';
- fprintf(outf, "%3u 0x%08lx %6ld %6ld %c %d %s\n",
- i, dir[i].offset, dir[i].size, dir[i].dsize,
- dir[i].dtype, dir[i].compression, buf);
- sum += dir[i].size;
- }
- fprintf(outf, "\nTotal size for %3u entries: %7lu bytes.\n", dirsize, sum);
- fprintf(outf, "Size of the WAD2 directory: %7lu bytes.\n",
- (UInt32)dirsize * (UInt32)sizeof(struct WAD2Directory));
- fprintf(outf, "Total (header + data + dir): %7lu bytes.\n",
- 12L + sum + (UInt32)dirsize * (UInt32)sizeof(struct WAD2Directory));
- }
-
-
- /*
- * Extract all entries from a WAD2 file and save them in separate
- * files. The files will be saved in the directory "prefixpath". If
- * "outf" is not null, progress information will be printed in it.
- */
- Bool UnWAD2File(FILE *outf, FILE *wadfile, UInt32 offset, WAD2DirPtr dir,
- UInt16 dirsize, UInt16 entrynum, char *prefixpath,
- Bool convert)
- {
- char *newname;
- char *p;
- FILE *newfile;
- FILE *indexfile;
- UInt16 i;
- UInt32 sum;
- BitMap *bmptr;
- struct RGB *palptr = NULL;
-
- if (wadfile == NULL || dir == NULL || dirsize == 0)
- return FALSE;
- if (prefixpath == NULL)
- prefixpath = ".";
- if (convert == TRUE)
- {
- for (i = 0; i < dirsize; i++)
- if (dir[i].dtype == '@' && !stricmp(dir[i].name, "PALETTE"))
- break;
- if (i < dirsize)
- palptr = ReadPalette256(wadfile, offset + dir[i].offset);
- if (palptr == NULL)
- return FALSE;
- }
- newname = (char *)QMalloc(strlen(prefixpath) + 16 + 4 + 2);
- strcpy(newname, prefixpath);
- p = &newname[strlen(newname) - 1];
- #ifdef QEU_DOS
- if (*p != '\\')
- {
- p++;
- *p = '\\';
- }
- #else
- if (*p != '/')
- {
- p++;
- *p = '/';
- }
- #endif
- p++;
- strcpy(p, QEU_INDEX_FILE);
- if (outf != NULL)
- fprintf(outf, "Creating index file %s\n", newname);
- CreatePathToFile(newname);
- indexfile = fopen(newname, "a");
- fprintf(indexfile, "BEGIN WAD2\n");
- sum = 0L;
- for (i = 0; i < dirsize; i++)
- {
- if (entrynum < dirsize && i != entrynum)
- continue; /* horrible trick... */
- strcpy(p, dir[i].name);
- if (dir[i].dtype == '@')
- strcat(p, ".lmp");
- else if (dir[i].dtype == 'B')
- if (convert == TRUE)
- strcat(p, ".bmp");
- else
- strcat(p, ".pic");
- else if (dir[i].dtype == 'E')
- if (convert == TRUE)
- strcat(p, ".bmp");
- else
- strcat(p, ".bit");
- else
- strcat(p, ".xxx");
- if (outf != NULL)
- fprintf(outf, "Saving %6ld bytes to %s\n", dir[i].size, newname);
- CreatePathToFile(newname);
- newfile = fopen(newname, "wb");
- if (newfile == NULL)
- {
- fclose(indexfile);
- QFree(newname);
- return FALSE;
- }
- /* BMP conversion stuff */
- if (convert == TRUE && (dir[i].dtype == 'B' || dir[i].dtype == 'E'))
- {
- fprintf(indexfile, "+ %s %c #= %s\n", dir[i].name, dir[i].dtype, p);
- if (dir[i].dtype == 'E')
- {
- if (!stricmp(dir[i].name, "CONCHARS"))
- bmptr = ReadRawBitMap(wadfile, offset + dir[i].offset,
- 128, 128);
- else if (!stricmp(dir[i].name, "CONBACK"))
- bmptr = ReadRawBitMap(wadfile, offset + dir[i].offset,
- 320, 200);
- else
- bmptr = NULL;
- }
- else
- bmptr = ReadBitMap(wadfile, offset + dir[i].offset);
- if (bmptr == NULL)
- {
- fclose(newfile);
- fclose(indexfile);
- QFree(newname);
- return FALSE;
- }
- sum += SaveBMP(newfile, bmptr, palptr);
- }
- else
- {
- fprintf(indexfile, "+ %s %c = %s\n", dir[i].name, dir[i].dtype, p);
- if ((fseek(wadfile, offset + dir[i].offset, SEEK_SET) < 0)
- || (CopyBytes(newfile, wadfile, dir[i].size) == FALSE))
- {
- fclose(newfile);
- fclose(indexfile);
- QFree(newname);
- return FALSE;
- }
- sum += dir[i].size;
- }
- fclose(newfile);
- }
- if (outf != NULL && entrynum >= dirsize)
- fprintf(outf, "Saved %lu bytes in %u files.\n", sum, dirsize);
- fprintf(indexfile, "END WAD2\n");
- fclose(indexfile);
- QFree(newname);
- return TRUE;
- }
-
-
- /* ----------------------------------------------------------------------------
- * NOTE: How to save a wad2 file:
- *
- * UInt32 count; - used by the saving routines
- * WAD2DirPtr dir; - WAD2 directory structure (created step by step)
- * UInt16 n; - number of entries in WAD2 directory (idem)
- *
- * WriteWAD2Header(f, &count, &dir, &n); - write the header
- * size = WriteSomething(f, ...); - save one entry
- * AddWAD2Entry(f, &count, &dir, &n, name, size, type); - add entry to dir.
- * size = WriteSomethingElse(f, ...); - save another entry
- * AddWAD2Entry(f, &count, &dir, &n, othername, size, type); - add to dir. too
- * totalsize = WriteWAD2Directory(f, &count, dir, n); - write the directory
- */
-
- /*
- * Write the WAD2 header to the file. The header will be modified later,
- * when the directory is written to the file.
- */
- Bool WriteWAD2Header(FILE *wadfile, UInt32 *count_r, WAD2DirPtr *dir_r,
- UInt16 *dirsize_r)
- {
- char buf[100];
-
- sprintf(buf, "WAD2********\r\nQEU %s\r\n", QEU_VERSION);
- if ((wadfile == NULL)
- || (WriteBytes(wadfile, buf, (UInt32)strlen(buf)) == FALSE))
- return FALSE;
- *dir_r = NULL;
- *count_r = (UInt32)strlen(buf);
- *dirsize_r = 0;
- return TRUE;
- }
-
-
- /*
- * Add a new entry to the WAD2 directory. This entry should have been
- * saved previously and be "entrysize" bytes long. It will be stored
- * in the WAD2 directory under the name "entryname".
- * All object saving routines in this package return the number of bytes
- * written, so that number can be passed directly to this routine.
- */
- Bool AddWAD2Entry(FILE *wadfile, UInt32 *count_r, WAD2DirPtr *dir_r,
- UInt16 *dirsize_r, char *entryname, UInt32 entrysize,
- UInt8 entrytype)
- {
- UInt16 n;
- UInt32 compressedsize;
- char buf[17];
-
- if (wadfile == NULL || *count_r == 0L)
- return FALSE;
- n = *dirsize_r;
- if (n == 0)
- *dir_r = (WAD2DirPtr)QMalloc((UInt32)sizeof(struct WAD2Directory));
- else
- *dir_r = (WAD2DirPtr)QRealloc(*dir_r, (UInt32)(n + 1)
- * (UInt32)sizeof(struct WAD2Directory));
- compressedsize = entrysize; /* don't know how to compress, so... */
- strncpy(buf, entryname, 16);
- buf[16] = '\0';
- QStrNCpy((*dir_r)[n].name, strupr(buf), 16);
- (*dir_r)[n].offset = *count_r;
- (*dir_r)[n].size = compressedsize;
- (*dir_r)[n].dsize = entrysize;
- (*dir_r)[n].dtype = entrytype;
- (*dir_r)[n].compression = 0;
- (*dir_r)[n].padding = 0;
- *count_r = *count_r + compressedsize;
- *dirsize_r = n + 1;
- return TRUE;
- }
-
-
- /*
- * Write the WAD2 directory to the file. This should only be done
- * after all entries have been saved (using the appropriate
- * Write... routine) and registered (using AddWAD2Entry). The WAD2
- * header is updated so that it points to the directory.
- *
- * This routine returns the total number of bytes taken by the WAD2
- * file (header + all entries + directory). It is thus possible to
- * include a WAD2 file in another WAD2 file or in a PACK file.
- */
- UInt32 WriteWAD2Directory(FILE *wadfile, UInt32 *count_r, WAD2DirPtr dir,
- UInt16 dirsize)
- {
- UInt32 size, pos;
- UInt16 i;
-
- pos = *count_r;
- if (wadfile == NULL || pos == 0L)
- return 0L;
- *count_r = 0L; /* invalidate the counter */
- size = (UInt32)dirsize;
- if ((fseek(wadfile, 4L - (Int32)(pos), SEEK_CUR) < 0)
- || (WriteInt32(wadfile, &size) == FALSE)
- || (WriteInt32(wadfile, &pos) == FALSE)
- || (fseek(wadfile, (Int32)(pos) - 12L, SEEK_CUR) < 0))
- return 0L;
- for (i = 0; i < dirsize; i++)
- if ((WriteInt32(wadfile, &(dir[i].offset)) == FALSE)
- || (WriteInt32(wadfile, &(dir[i].size)) == FALSE)
- || (WriteInt32(wadfile, &(dir[i].dsize)) == FALSE)
- || (WriteBytes(wadfile, &(dir[i].dtype), 20L) == FALSE))
- return 0L;
- return size * (UInt32)sizeof(struct WAD2Directory) + pos;
- }
-
- /* end of file */
-