mirror of
https://github.com/kevinbentley/Descent3.git
synced 2025-01-22 19:55:23 +00:00
498 lines
14 KiB
C++
498 lines
14 KiB
C++
/*
|
|
* Descent 3
|
|
* Copyright (C) 2024 Parallax Software
|
|
*
|
|
* 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <dos.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <io.h>
|
|
#include <ctype.h>
|
|
|
|
// #include "mvlfile.h" //for old D2 movie libraries
|
|
#include "hogfile.h" //new D3 hogs
|
|
|
|
/*
|
|
#define BUFFER_SIZE (1024*1024*5) //5 MB
|
|
|
|
struct library_entry {
|
|
char name[LIB_FILENAME_LEN]; //just the filename part
|
|
int offset; //offset into library file
|
|
int length; //length of this file
|
|
int32_t timestamp; //time and date of file
|
|
int flags; //misc flags
|
|
};
|
|
|
|
struct library {
|
|
int nfiles;
|
|
library_entry *table;
|
|
FILE *fp;
|
|
};
|
|
|
|
library *open_hogfile(char *hogname)
|
|
{
|
|
FILE *fp;
|
|
int id;
|
|
int i,offset,t;
|
|
library *hogfile;
|
|
index_entry *index;
|
|
|
|
fp = fopen( hogname, "rb" );
|
|
if ( fp == NULL )
|
|
return NULL;
|
|
|
|
fread( &id, 4, 1, fp );
|
|
if ( strncmp( (char *) &id, LIBRARY_TAG, strlen(LIBRARY_TAG) ) ) {
|
|
printf("Invalid library file <%s>\n",hogname);
|
|
exit(11);
|
|
}
|
|
|
|
hogfile = malloc(sizeof(*hogfile));
|
|
|
|
hogfile->fp = fp;
|
|
|
|
fread(&hogfile->nfiles,4,1,hogfile->fp); //get number of files
|
|
|
|
hogfile->table = malloc(sizeof(library_entry)*hogfile->nfiles);
|
|
|
|
offset = 4+4+hogfile->nfiles*(13+4); //id + nfiles + nfiles * (filename + size)
|
|
|
|
//allocate index
|
|
index = malloc(sizeof(index_entry) * hogfile->nfiles);
|
|
|
|
//read in index table
|
|
t = fread( index, sizeof(*index), hogfile->nfiles, hogfile->fp );
|
|
if ( t != hogfile->nfiles ) { //eof here is ok
|
|
fclose(fp);
|
|
return 0; //CF_BAD_LIB;
|
|
}
|
|
|
|
//copy disk index to our internal structure
|
|
for (i=0;i<hogfile->nfiles;i++) {
|
|
|
|
strcpy(hogfile->table[i].name, index[i].name);
|
|
hogfile->table[i].length = index[i].len;
|
|
hogfile->table[i].offset = offset;
|
|
offset += hogfile->table[i].length;
|
|
|
|
#if LIB_HAS_DATE
|
|
hogfile->table[i].timestamp = index[i].timestamp;
|
|
#else
|
|
hogfile->table[i].timestamp = 0;
|
|
#endif
|
|
|
|
#if LIB_HAS_FLAGS
|
|
hogfile->table[i].flags = index[i].flags;
|
|
#else
|
|
hogfile->table[i].flags = 0;
|
|
#endif
|
|
}
|
|
|
|
return hogfile;
|
|
}
|
|
|
|
void close_hogfile(library *hogfile)
|
|
{
|
|
fclose(hogfile->fp);
|
|
free(hogfile->table);
|
|
free(hogfile);
|
|
}
|
|
|
|
copy_file(FILE *ofp,FILE *ifp,int length)
|
|
{
|
|
char *buffer;
|
|
|
|
buffer = malloc(BUFFER_SIZE);
|
|
if (!buffer) {
|
|
printf("Error allocating buffer\n");
|
|
exit(10);
|
|
}
|
|
|
|
while (length) {
|
|
int n,read_len;
|
|
|
|
read_len = min(length,BUFFER_SIZE);
|
|
|
|
n = fread( buffer, 1, read_len, ifp );
|
|
if ( n != read_len ) {
|
|
printf( "Error reading file\n");
|
|
free(buffer);
|
|
return 0;
|
|
}
|
|
|
|
if (fwrite( buffer, 1, read_len, ofp) != read_len ) {
|
|
printf("Error writing file\n");
|
|
free(buffer);
|
|
return 0;
|
|
}
|
|
|
|
length -= read_len;
|
|
}
|
|
|
|
free(buffer);
|
|
|
|
return 1;
|
|
}
|
|
|
|
//returns 1 if extracted ok
|
|
int extract_file_by_index(library *hogfile,int index)
|
|
{
|
|
int length;
|
|
FILE *ofp;
|
|
|
|
ofp = fopen( hogfile->table[index].name, "wb" );
|
|
if ( ofp == NULL ) {
|
|
printf( "Error opening '%s'\n", hogfile->table[index].name );
|
|
return 0;
|
|
}
|
|
|
|
length = hogfile->table[index].length;
|
|
|
|
fseek(hogfile->fp,hogfile->table[index].offset,SEEK_SET);
|
|
|
|
copy_file(ofp,hogfile->fp,hogfile->table[index].length);
|
|
|
|
fclose(ofp);
|
|
|
|
#ifdef LIB_HAS_DATE
|
|
ofp = fopen(hogfile->table[index].name, "r+b");
|
|
_dos_setftime(fileno(ofp),(hogfile->table[index].timestamp>>16),(hogfile->table[index].timestamp&0xFFFF));
|
|
fclose(ofp);
|
|
#endif
|
|
|
|
return 1;
|
|
}
|
|
|
|
extract_file_by_name(char *hogname,char *filename)
|
|
{
|
|
library *hogfile;
|
|
int i;
|
|
|
|
hogfile = open_hogfile(hogname);
|
|
|
|
if (!hogfile) {
|
|
printf("Error opening library <%s>\n",hogname);
|
|
exit(7);
|
|
}
|
|
|
|
for (i=0;i<hogfile->nfiles;i++)
|
|
if (!stricmp(filename,hogfile->table[i].name)) {
|
|
int ok;
|
|
printf(" Extracting %s\n",hogfile->table[i].name);
|
|
ok = extract_file_by_index(hogfile,i);
|
|
if (!ok) {
|
|
printf("Error extracting <%s> from <%s>\n",hogfile->table[i].name,hogname);
|
|
exit(1);
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (i==hogfile->nfiles)
|
|
printf("Error: couldn't find file <%s> in <%s>\n",filename,hogname);
|
|
|
|
close_hogfile(hogfile);
|
|
}
|
|
|
|
extract_all_files(char *hogname)
|
|
{
|
|
library *hogfile;
|
|
int i;
|
|
|
|
hogfile = open_hogfile(hogname);
|
|
|
|
if (!hogfile) {
|
|
printf("Error opening library <%s>\n",hogname);
|
|
exit(7);
|
|
}
|
|
|
|
for (i=0;i<hogfile->nfiles;i++) {
|
|
int ok;
|
|
|
|
printf(" Extracting %s\n",hogfile->table[i].name);
|
|
ok = extract_file_by_index(hogfile,i);
|
|
|
|
if (!ok) {
|
|
printf("Error extracting <%s> from <%s>\n",hogfile->table[i].name,hogname);
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
close_hogfile(hogfile);
|
|
}
|
|
|
|
#define YEAR(t) (((t & 0xFE000000) >> 25) + 80)
|
|
#define MONTH(t) ((t & 0x01E00000) >> 21)
|
|
#define DAY(t) ((t & 0x001F0000) >> 16)
|
|
#define HOUR(t) ((t & 0x0000F800) >> 11)
|
|
#define MINUTE(t) ((t & 0x000007E0) >> 5)
|
|
#define SECOND(t) ((t & 0x0000001F) << 1)
|
|
|
|
list_files(char *hogname)
|
|
{
|
|
library *hogfile;
|
|
int i;
|
|
|
|
hogfile = open_hogfile(hogname);
|
|
|
|
if (!hogfile) {
|
|
printf("Error opening library <%s>\n",hogname);
|
|
exit(7);
|
|
}
|
|
|
|
printf("Contents of %s:\n",hogname);
|
|
|
|
printf(" Name Size Date/Time Flags\n");
|
|
printf(" -------------- ----- ------------------ -------\n");
|
|
|
|
for (i=0;i<hogfile->nfiles;i++) {
|
|
printf(" %-12s %7d",hogfile->table[i].name,hogfile->table[i].length);
|
|
|
|
if (hogfile->table[i].timestamp) {
|
|
int32_t t = hogfile->table[i].timestamp;
|
|
printf(" %2d/%02d/%02d %2d:%02d:%02d",MONTH(t),DAY(t),YEAR(t),HOUR(t),MINUTE(t),SECOND(t));
|
|
}
|
|
else
|
|
printf(" ");
|
|
|
|
printf(" %8x\n",hogfile->table[i].flags);
|
|
}
|
|
|
|
close_hogfile(hogfile);
|
|
}
|
|
|
|
#define REMOVE_EOL(s) remove_char((s),'\n')
|
|
#define REMOVE_COMMENTS(s) remove_char((s),';')
|
|
#define REMOVE_DOTS(s) remove_char((s),'.')
|
|
|
|
void remove_char( char * s, char c )
|
|
{
|
|
char *p;
|
|
p = strchr(s,c);
|
|
if (p) *p = '\0';
|
|
}
|
|
|
|
#define MAX_LINE_LEN 160
|
|
|
|
int parse_listfile(char *listfile_name,char ***filenames_ptr)
|
|
{
|
|
FILE *fp;
|
|
char inputline[MAX_LINE_LEN+1];
|
|
int count;
|
|
char **filenames;
|
|
|
|
fp = fopen( listfile_name, "rt" );
|
|
|
|
if (!fp) {
|
|
printf("Error: can't open file list <%s>\n",listfile_name);
|
|
exit(3);
|
|
}
|
|
|
|
count = 0;
|
|
|
|
while (fgets(inputline, MAX_LINE_LEN, fp )) {
|
|
char filename[MAX_LINE_LEN+1];
|
|
REMOVE_EOL(inputline);
|
|
REMOVE_COMMENTS(inputline);
|
|
if (strlen(inputline) > 0) {
|
|
sscanf( inputline, " %s ", filename );
|
|
if ( strlen( filename ) > 0 )
|
|
count++;
|
|
}
|
|
}
|
|
|
|
fseek(fp,0,SEEK_SET);
|
|
|
|
filenames = malloc(sizeof(*filenames) * count);
|
|
|
|
count = 0;
|
|
|
|
while (fgets(inputline, MAX_LINE_LEN, fp )) {
|
|
char filename[MAX_LINE_LEN+1];
|
|
REMOVE_EOL(inputline);
|
|
REMOVE_COMMENTS(inputline);
|
|
if (strlen(inputline) > 0) {
|
|
sscanf( inputline, " %s ", filename );
|
|
if ( strlen( filename ) > 0 ) {
|
|
filenames[count] = malloc(strlen(filename)+1);
|
|
strcpy(filenames[count],filename);
|
|
count++;
|
|
}
|
|
}
|
|
}
|
|
|
|
fclose(fp);
|
|
|
|
*filenames_ptr = filenames;
|
|
|
|
return count;
|
|
}
|
|
|
|
create_new_library(char *hogname, int nfiles, char **filenames)
|
|
{
|
|
int i,table_pos;
|
|
FILE *hog_fp;
|
|
index_entry *index;
|
|
char ext[_MAX_EXT];
|
|
|
|
index = malloc(sizeof(index_entry) * nfiles);
|
|
if (!index) {
|
|
printf("Error allocating index table\n");
|
|
exit(9);
|
|
}
|
|
|
|
//open the new file
|
|
hog_fp = fopen( hogname, "wb" );
|
|
if ( hog_fp == NULL ) {
|
|
printf( "Error opening file <%s>\n",hogname);
|
|
exit(1);
|
|
}
|
|
|
|
//write the tag
|
|
if (fwrite( LIBRARY_TAG, strlen(LIBRARY_TAG), 1, hog_fp )!=1) {
|
|
printf("Error writing tag tp file <%s>\n",hogname);
|
|
fclose( hog_fp );
|
|
exit(1);
|
|
}
|
|
|
|
//write number of files
|
|
if (fwrite(&nfiles,sizeof(int),1,hog_fp)!=1) {
|
|
printf("Error writing count to file <%s>\n",hogname);
|
|
fclose( hog_fp );
|
|
exit(1);
|
|
}
|
|
|
|
//save file position of index table
|
|
table_pos = ftell(hog_fp);
|
|
|
|
//write dummy index
|
|
if (fwrite(index,sizeof(*index),nfiles,hog_fp)!=nfiles) {
|
|
printf("Error writing index to file <%s>\n",hogname);
|
|
fclose( hog_fp );
|
|
exit(1);
|
|
}
|
|
|
|
//write files (& build index)
|
|
for (i=0;i<nfiles;i++) {
|
|
FILE *ifp;
|
|
uint16_t date,time;
|
|
|
|
ifp = fopen(filenames[i],"rb");
|
|
if ( ifp == NULL ) {
|
|
printf( "Error opening input file <%s>\n",filenames[i]);
|
|
fclose(hog_fp);
|
|
exit(10);
|
|
}
|
|
|
|
_splitpath(filenames[i],NULL,NULL,index[i].name,ext);
|
|
strcat(index[i].name,ext);
|
|
index[i].len = filelength(fileno(ifp));
|
|
|
|
#ifdef LIB_HAS_DATE
|
|
_dos_getftime(fileno(ifp), &date,&time);
|
|
index[i].timestamp = (date << 16) + time;
|
|
#endif
|
|
|
|
#ifdef LIB_HAS_FLAGS
|
|
index[i].flags = 0;
|
|
#endif
|
|
|
|
copy_file(hog_fp,ifp,index[i].len);
|
|
}
|
|
|
|
//now write the real index
|
|
fseek(hog_fp,table_pos,SEEK_SET);
|
|
if (fwrite(index,sizeof(*index),nfiles,hog_fp)!=nfiles) {
|
|
printf("Error writing index to file <%s>\n",hogname);
|
|
fclose( hog_fp );
|
|
exit(1);
|
|
}
|
|
|
|
fclose( hog_fp );
|
|
}
|
|
|
|
add_files(char *hogname, int argc, char *argv[])
|
|
{
|
|
library *hogfile;
|
|
int nfiles,i;
|
|
char **filenames;
|
|
|
|
hogfile = open_hogfile(hogname);
|
|
|
|
if (hogfile) {
|
|
printf("Sorry, cannot add files to existing library <%s>\n",hogname);
|
|
exit(4);
|
|
}
|
|
|
|
//hog doesn't exist, so create new one
|
|
|
|
if (argc != 1) {
|
|
printf("Error: input for add files must be a listfile\n");
|
|
exit(2);
|
|
}
|
|
|
|
nfiles = parse_listfile(argv[0],&filenames);
|
|
|
|
create_new_library(hogname,nfiles,filenames);
|
|
|
|
//now free filename list
|
|
for (i=0;i<nfiles;i++)
|
|
free(filenames[i]);
|
|
free(filenames);
|
|
}
|
|
|
|
|
|
show_help()
|
|
{
|
|
printf( "Usage: mvlutil command hogfile [file1 [file2] [...]]\n" );
|
|
printf( "Valid commands:\n");
|
|
printf( " a add files\n");
|
|
printf( " l list files\n");
|
|
printf( " x extract files\n");
|
|
}
|
|
*/
|
|
int main(int argc, char *argv[]) {
|
|
/* char command;
|
|
char *hogname;
|
|
|
|
if ( argc < 3 ) {
|
|
show_help();
|
|
exit(1);
|
|
}
|
|
|
|
hogname = argv[2];
|
|
command = tolower(argv[1][0]);
|
|
|
|
if (command == 'a') {
|
|
add_files(hogname,argc-3,argv+3);
|
|
}
|
|
else if (command == 'l') {
|
|
list_files(hogname);
|
|
}
|
|
else if (command == 'x') {
|
|
if (argv[1][1])
|
|
extract_file_by_name(hogname,&argv[1][1]);
|
|
else
|
|
extract_all_files(hogname);
|
|
}
|
|
else {
|
|
show_help();
|
|
exit(2);
|
|
}
|
|
*/
|
|
return 0;
|
|
}
|