2 Copyright (c) 2001, Loki software, inc.
5 Redistribution and use in source and binary forms, with or without modification,
6 are permitted provided that the following conditions are met:
8 Redistributions of source code must retain the above copyright notice, this list
9 of conditions and the following disclaimer.
11 Redistributions in binary form must reproduce the above copyright notice, this
12 list of conditions and the following disclaimer in the documentation and/or
13 other materials provided with the distribution.
15 Neither the name of Loki software nor the names of its contributors may be used
16 to endorse or promote products derived from this software without specific prior
19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
20 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
22 DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
23 DIRECT,INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26 ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 // - Directories should be searched in the following order: ~/.q3a/baseq3,
35 // install dir (/usr/local/games/quake3/baseq3) and cd_path (/mnt/cdrom/baseq3).
37 // - Pak files are searched first inside the directories.
38 // - Case insensitive.
39 // - Unix-style slashes (/) (windows is backwards .. everyone knows that)
41 // Leonardo Zide (leo@lokigames.com)
49 #include "filematch.h"
53 #include <minizip/unzip.h>
63 // =============================================================================
66 static GSList* g_unzFiles;
67 static GSList* g_pakFiles;
68 static char g_strDirs[VFS_MAXDIRS][PATH_MAX + 1];
70 char g_strForbiddenDirs[VFS_MAXDIRS][PATH_MAX + 1];
71 int g_numForbiddenDirs = 0;
72 static gboolean g_bUsePak = TRUE;
74 // =============================================================================
77 static void vfsAddSlash( char *str ){
78 int n = strlen( str );
80 if ( str[n - 1] != '\\' && str[n - 1] != '/' ) {
86 static void vfsFixDOSName( char *src ){
100 //!\todo Define globally or use heap-allocated string.
103 static void vfsInitPakFile( const char *filename ){
109 uf = unzOpen( filename );
114 g_unzFiles = g_slist_append( g_unzFiles, uf );
116 err = unzGetGlobalInfo( uf,&gi );
117 if ( err != UNZ_OK ) {
120 unzGoToFirstFile( uf );
122 for ( i = 0; i < gi.number_entry; i++ )
124 char filename_inzip[NAME_MAX];
125 unz_file_info file_info;
128 err = unzGetCurrentFileInfo( uf, &file_info, filename_inzip, sizeof( filename_inzip ), NULL, 0, NULL, 0 );
129 if ( err != UNZ_OK ) {
133 err = unzGetFilePos( uf, &pos );
134 if ( err != UNZ_OK ) {
138 file = (VFS_PAKFILE*)safe_malloc( sizeof( VFS_PAKFILE ) );
139 g_pakFiles = g_slist_append( g_pakFiles, file );
141 vfsFixDOSName( filename_inzip );
142 g_strdown( filename_inzip );
144 file->name = strdup( filename_inzip );
145 file->size = file_info.uncompressed_size;
149 if ( ( i + 1 ) < gi.number_entry ) {
150 err = unzGoToNextFile( uf );
151 if ( err != UNZ_OK ) {
158 // =============================================================================
161 // reads all pak files from a dir
162 void vfsInitDirectory( const char *path ){
163 char filename[PATH_MAX];
168 for ( j = 0; j < g_numForbiddenDirs; ++j )
170 char* dbuf = g_strdup( path );
171 if ( *dbuf && dbuf[strlen( dbuf ) - 1] == '/' ) {
172 dbuf[strlen( dbuf ) - 1] = 0;
174 const char *p = strrchr( dbuf, '/' );
175 p = ( p ? ( p + 1 ) : dbuf );
176 if ( matchpattern( p, g_strForbiddenDirs[j], TRUE ) ) {
182 if ( j < g_numForbiddenDirs ) {
186 if ( g_numDirs == VFS_MAXDIRS ) {
190 Sys_Printf( "VFS Init: %s\n", path );
192 strncpy( g_strDirs[g_numDirs], path, PATH_MAX );
193 g_strDirs[g_numDirs][PATH_MAX] = 0;
194 vfsFixDOSName( g_strDirs[g_numDirs] );
195 vfsAddSlash( g_strDirs[g_numDirs] );
199 dir = g_dir_open( path, 0, NULL );
204 const char* name = g_dir_read_name( dir );
205 if ( name == NULL ) {
209 for ( j = 0; j < g_numForbiddenDirs; ++j )
211 const char *p = strrchr( name, '/' );
212 p = ( p ? ( p + 1 ) : name );
213 if ( matchpattern( p, g_strForbiddenDirs[j], TRUE ) ) {
217 if ( j < g_numForbiddenDirs ) {
221 dirlist = g_strdup( name );
224 char *ext = strrchr( dirlist, '.' );
226 if ( ext && ( !Q_stricmp( ext, ".pk3dir" ) || !Q_stricmp( ext, ".dpkdir" ) ) ) {
227 if ( g_numDirs == VFS_MAXDIRS ) {
230 snprintf( g_strDirs[g_numDirs], PATH_MAX, "%s/%s", path, name );
231 g_strDirs[g_numDirs][PATH_MAX] = '\0';
232 vfsFixDOSName( g_strDirs[g_numDirs] );
233 vfsAddSlash( g_strDirs[g_numDirs] );
237 if ( ( ext == NULL ) || ( Q_stricmp( ext, ".pk3" ) != 0 || !Q_stricmp( ext, ".dpk" ) != 0 ) ) {
242 sprintf( filename, "%s/%s", path, dirlist );
243 vfsInitPakFile( filename );
252 // frees all memory that we allocated
256 unzClose( (unzFile)g_unzFiles->data );
257 g_unzFiles = g_slist_remove( g_unzFiles, g_unzFiles->data );
262 VFS_PAKFILE* file = (VFS_PAKFILE*)g_pakFiles->data;
265 g_pakFiles = g_slist_remove( g_pakFiles, file );
269 // return the number of files that match
270 int vfsGetFileCount( const char *filename ){
272 char fixed[NAME_MAX], tmp[NAME_MAX];
275 strcpy( fixed, filename );
276 vfsFixDOSName( fixed );
279 for ( lst = g_pakFiles; lst != NULL; lst = g_slist_next( lst ) )
281 VFS_PAKFILE* file = (VFS_PAKFILE*)lst->data;
283 if ( strcmp( file->name, fixed ) == 0 ) {
288 for ( i = 0; i < g_numDirs; i++ )
290 strcpy( tmp, g_strDirs[i] );
291 strcat( tmp, fixed );
292 if ( access( tmp, R_OK ) == 0 ) {
300 // NOTE: when loading a file, you have to allocate one extra byte and set it to \0
301 int vfsLoadFile( const char *filename, void **bufferptr, int index ){
303 char tmp[NAME_MAX], fixed[NAME_MAX];
306 // filename is a full path
311 f = fopen( filename, "rb" );
316 fseek( f, 0, SEEK_END );
320 *bufferptr = safe_malloc( len + 1 );
321 if ( *bufferptr == NULL ) {
326 if ( fread( *bufferptr, 1, len, f ) != (size_t) len ) {
332 // we need to end the buffer with a 0
333 ( (char*) ( *bufferptr ) )[len] = 0;
339 strcpy( fixed, filename );
340 vfsFixDOSName( fixed );
343 for ( i = 0; i < g_numDirs; i++ )
345 strcpy( tmp, g_strDirs[i] );
346 strcat( tmp, filename );
347 if ( access( tmp, R_OK ) == 0 ) {
348 if ( count == index ) {
352 f = fopen( tmp, "rb" );
357 fseek( f, 0, SEEK_END );
361 *bufferptr = safe_malloc( len + 1 );
362 if ( *bufferptr == NULL ) {
367 if ( fread( *bufferptr, 1, len, f ) != (size_t) len ) {
373 // we need to end the buffer with a 0
374 ( (char*) ( *bufferptr ) )[len] = 0;
383 for ( lst = g_pakFiles; lst != NULL; lst = g_slist_next( lst ) )
385 VFS_PAKFILE* file = (VFS_PAKFILE*)lst->data;
387 if ( strcmp( file->name, fixed ) != 0 ) {
391 if ( count == index ) {
393 if ( unzGoToFilePos( file->zipfile, &file->zippos ) != UNZ_OK ) {
396 if ( unzOpenCurrentFile( file->zipfile ) != UNZ_OK ) {
400 *bufferptr = safe_malloc( file->size + 1 );
401 // we need to end the buffer with a 0
402 ( (char*) ( *bufferptr ) )[file->size] = 0;
404 i = unzReadCurrentFile( file->zipfile, *bufferptr, file->size );
405 unzCloseCurrentFile( file->zipfile );