/
wadtool.c
executable file
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wadtool.c
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/**
* @file wadtool.c
* WAD creation tool.
*
* @author Copyright © 2005-2012 Jaakko Keränen <jaakko.keranen@iki.fi>
*
* @par License
* GPL: http://www.gnu.org/licenses/gpl.html
*
* <small>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., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA</small>
*/
// HEADER FILES ------------------------------------------------------------
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <io.h>
#include <string.h>
#include "wadtool.h"
// MACROS ------------------------------------------------------------------
// TYPES -------------------------------------------------------------------
// EXTERNAL FUNCTION PROTOTYPES --------------------------------------------
// PUBLIC FUNCTION PROTOTYPES ----------------------------------------------
// PRIVATE FUNCTION PROTOTYPES ---------------------------------------------
// EXTERNAL DATA DECLARATIONS ----------------------------------------------
// PUBLIC DATA DEFINITIONS -------------------------------------------------
fname_t root;
// PRIVATE DATA DEFINITIONS ------------------------------------------------
// CODE --------------------------------------------------------------------
//===========================================================================
// NewFile
//===========================================================================
void NewFile(const char *path, int size)
{
fname_t *fn = malloc(sizeof(fname_t));
memset(fn, 0, sizeof(*fn));
strncpy(fn->path, path, 255);
// Link it in just previous of root.
fn->next = &root;
fn->prev = root.prev;
fn->prev->next = fn;
root.prev = fn;
fn->size = size;
}
//===========================================================================
// InitList
//===========================================================================
void InitList(void)
{
root.next = root.prev = &root;
}
//===========================================================================
// DestroyList
//===========================================================================
void DestroyList(void)
{
fname_t *it = root.next, *next;
for(; it != &root; it = next)
{
next = it->next;
free(it);
}
InitList();
}
//===========================================================================
// CollectFiles
//===========================================================================
void CollectFiles(const char *basepath)
{
long hFile;
struct _finddata_t fd;
char findspec[256], path[256];
sprintf(findspec, "%s*.*", basepath);
if((hFile = _findfirst(findspec, &fd)) != -1L)
{
// The first file found!
do
{
if(!strcmp(fd.name, ".") || !strcmp(fd.name, ".."))
continue;
sprintf(path, "%s%s", basepath, fd.name);
if(fd.attrib & _A_SUBDIR)
{
strcat(path, "\\");
CollectFiles(path);
}
else
{
NewFile(path, fd.size);
}
}
while(!_findnext(hFile, &fd));
}
}
//===========================================================================
// CountList
//===========================================================================
int CountList(void)
{
int count = 0;
fname_t *it;
for(it = root.next; it != &root; it = it->next) count++;
return count;
}
//===========================================================================
// CopyToStream
// Returns true if succesful.
//===========================================================================
int CopyToStream(FILE *file, fname_t *fn)
{
FILE *in = fopen(fn->path, "rb");
char *buf;
if(!in) return 0;
buf = malloc(fn->size);
fread(buf, fn->size, 1, in);
fwrite(buf, fn->size, 1, file);
free(buf);
fclose(in);
return 1;
}
//===========================================================================
// PrintBanner
//===========================================================================
void PrintBanner(void)
{
printf("### The WAD Tool v"VERSION_STR" by Jaakko Ker\x084nen ###\n");
}
//===========================================================================
// PrintUsage
//===========================================================================
void PrintUsage(void)
{
printf("Usage: wadtool newfile.wad [dir-prefix]\n");
}
//===========================================================================
// main
//===========================================================================
int main(int argc, char **argv)
{
char *wadfile;
char *prefix = "";
FILE *file;
wadinfo_t hdr;
lumpinfo_t info;
fname_t *it;
int c;
char lumpbase[4];
int direc_size, direc_offset;
PrintBanner();
if(argc < 2 || argc > 3)
{
PrintUsage();
return 0;
}
wadfile = argv[1];
if(argc > 2) prefix = argv[2];
srand(time(0));
rand();
rand();
// First compile the list of all file names.
InitList();
printf("Collecting file names...\n");
CollectFiles("");
printf("Creating WAD file %s...\n", wadfile);
if((file = fopen(wadfile, "wb")) == NULL)
{
printf("Couldn't open %s.\n", wadfile);
perror("Error");
goto stop_now;
}
// The header.
hdr.identification[0] = 'P';
hdr.identification[1] = 'W';
hdr.identification[2] = 'A';
hdr.identification[3] = 'D';
hdr.numlumps = CountList() + 1;
hdr.infotableofs = 0; // We've no idea yet.
fwrite(&hdr, sizeof(hdr), 1, file);
// Write all the files.
sprintf(lumpbase, "%c%c", 'A' + rand() % 26, 'A' + rand() % 26);
for(it = root.next, c = 0; it != &root; it = it->next, c++)
{
it->offset = ftell(file);
if(!CopyToStream(file, it))
{
perror(it->path);
goto stop_now;
}
printf("%s\n", it->path);
sprintf(it->lump, "__%s%04X", lumpbase, c);
}
// Write DD_DIREC.
direc_offset = ftell(file);
for(it = root.next; it != &root; it = it->next)
fprintf(file, "%s %s%s\n", it->lump, prefix, it->path);
direc_size = ftell(file) - direc_offset;
// Time to write the info table.
hdr.infotableofs = ftell(file);
for(it = root.next, c = 0; it != &root; it = it->next, c++)
{
memset(&info, 0, sizeof(info));
info.filepos = it->offset;
info.size = it->size;
memcpy(info.name, it->lump, 8);
fwrite(&info, sizeof(info), 1, file);
}
// Finally DD_DIREC's entry.
info.filepos = direc_offset;
info.size = direc_size;
strncpy(info.name, "DD_DIREC", 8);
fwrite(&info, sizeof(info), 1, file);
// Rewrite the header.
rewind(file);
fwrite(&hdr, sizeof(hdr), 1, file);
// We're done!
fclose(file);
stop_now:
DestroyList();
return 0;
}