2 Copyright (c) 2001, Loki software, inc.
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9 of conditions and the following disclaimer.
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22 DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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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>
62 // =============================================================================
65 static GSList* g_unzFiles;
66 static GSList* g_pakFiles;
67 static char g_strDirs[VFS_MAXDIRS][PATH_MAX + 1];
69 char g_strForbiddenDirs[VFS_MAXDIRS][PATH_MAX + 1];
70 int g_numForbiddenDirs = 0;
71 static gboolean g_bUsePak = TRUE;
73 // =============================================================================
76 static void vfsAddSlash( char *str ){
77 int n = strlen( str );
79 if ( str[n - 1] != '\\' && str[n - 1] != '/' ) {
85 static void vfsFixDOSName( char *src ){
99 //!\todo Define globally or use heap-allocated string.
102 static void vfsInitPakFile( const char *filename ){
108 uf = unzOpen( filename );
113 g_unzFiles = g_slist_append( g_unzFiles, uf );
115 err = unzGetGlobalInfo( uf,&gi );
116 if ( err != UNZ_OK ) {
119 unzGoToFirstFile( uf );
121 for ( i = 0; i < gi.number_entry; i++ )
123 char filename_inzip[NAME_MAX];
124 unz_file_info file_info;
127 err = unzGetCurrentFileInfo( uf, &file_info, filename_inzip, sizeof( filename_inzip ), NULL, 0, NULL, 0 );
128 if ( err != UNZ_OK ) {
132 file = (VFS_PAKFILE*)safe_malloc( sizeof( VFS_PAKFILE ) );
133 g_pakFiles = g_slist_append( g_pakFiles, file );
135 vfsFixDOSName( filename_inzip );
136 g_strdown( filename_inzip );
138 file->name = strdup( filename_inzip );
139 file->size = file_info.uncompressed_size;
142 if ( ( i + 1 ) < gi.number_entry ) {
143 err = unzGoToNextFile( uf );
144 if ( err != UNZ_OK ) {
151 // =============================================================================
154 // reads all pak files from a dir
155 void vfsInitDirectory( const char *path ){
156 char filename[PATH_MAX];
161 for ( j = 0; j < g_numForbiddenDirs; ++j )
163 char* dbuf = g_strdup( path );
164 if ( *dbuf && dbuf[strlen( dbuf ) - 1] == '/' ) {
165 dbuf[strlen( dbuf ) - 1] = 0;
167 const char *p = strrchr( dbuf, '/' );
168 p = ( p ? ( p + 1 ) : dbuf );
169 if ( matchpattern( p, g_strForbiddenDirs[j], TRUE ) ) {
175 if ( j < g_numForbiddenDirs ) {
179 if ( g_numDirs == VFS_MAXDIRS ) {
183 Sys_Printf( "VFS Init: %s\n", path );
185 strncpy( g_strDirs[g_numDirs], path, PATH_MAX );
186 g_strDirs[g_numDirs][PATH_MAX] = 0;
187 vfsFixDOSName( g_strDirs[g_numDirs] );
188 vfsAddSlash( g_strDirs[g_numDirs] );
192 dir = g_dir_open( path, 0, NULL );
197 const char* name = g_dir_read_name( dir );
198 if ( name == NULL ) {
202 for ( j = 0; j < g_numForbiddenDirs; ++j )
204 const char *p = strrchr( name, '/' );
205 p = ( p ? ( p + 1 ) : name );
206 if ( matchpattern( p, g_strForbiddenDirs[j], TRUE ) ) {
210 if ( j < g_numForbiddenDirs ) {
214 dirlist = g_strdup( name );
217 char *ext = strrchr( dirlist, '.' );
219 if ( ext && ( !Q_stricmp( ext, ".pk3dir" ) || !Q_stricmp( ext, ".dpkdir" ) ) ) {
220 if ( g_numDirs == VFS_MAXDIRS ) {
223 snprintf( g_strDirs[g_numDirs], PATH_MAX, "%s/%s", path, name );
224 g_strDirs[g_numDirs][PATH_MAX] = '\0';
225 vfsFixDOSName( g_strDirs[g_numDirs] );
226 vfsAddSlash( g_strDirs[g_numDirs] );
230 if ( ( ext == NULL ) || ( Q_stricmp( ext, ".pk3" ) != 0 || !Q_stricmp( ext, ".dpk" ) != 0 ) ) {
235 sprintf( filename, "%s/%s", path, dirlist );
236 vfsInitPakFile( filename );
245 // frees all memory that we allocated
249 unzClose( (unzFile)g_unzFiles->data );
250 g_unzFiles = g_slist_remove( g_unzFiles, g_unzFiles->data );
255 VFS_PAKFILE* file = (VFS_PAKFILE*)g_pakFiles->data;
258 g_pakFiles = g_slist_remove( g_pakFiles, file );
262 // return the number of files that match
263 int vfsGetFileCount( const char *filename ){
265 char fixed[NAME_MAX], tmp[NAME_MAX];
268 strcpy( fixed, filename );
269 vfsFixDOSName( fixed );
272 for ( lst = g_pakFiles; lst != NULL; lst = g_slist_next( lst ) )
274 VFS_PAKFILE* file = (VFS_PAKFILE*)lst->data;
276 if ( strcmp( file->name, fixed ) == 0 ) {
281 for ( i = 0; i < g_numDirs; i++ )
283 strcpy( tmp, g_strDirs[i] );
284 strcat( tmp, fixed );
285 if ( access( tmp, R_OK ) == 0 ) {
293 // NOTE: when loading a file, you have to allocate one extra byte and set it to \0
294 int vfsLoadFile( const char *filename, void **bufferptr, int index ){
296 char tmp[NAME_MAX], fixed[NAME_MAX];
299 // filename is a full path
304 f = fopen( filename, "rb" );
309 fseek( f, 0, SEEK_END );
313 *bufferptr = safe_malloc( len + 1 );
314 if ( *bufferptr == NULL ) {
319 if ( fread( *bufferptr, 1, len, f ) != (size_t) len ) {
325 // we need to end the buffer with a 0
326 ( (char*) ( *bufferptr ) )[len] = 0;
332 strcpy( fixed, filename );
333 vfsFixDOSName( fixed );
336 for ( i = 0; i < g_numDirs; i++ )
338 strcpy( tmp, g_strDirs[i] );
339 strcat( tmp, filename );
340 if ( access( tmp, R_OK ) == 0 ) {
341 if ( count == index ) {
345 f = fopen( tmp, "rb" );
350 fseek( f, 0, SEEK_END );
354 *bufferptr = safe_malloc( len + 1 );
355 if ( *bufferptr == NULL ) {
360 if ( fread( *bufferptr, 1, len, f ) != (size_t) len ) {
366 // we need to end the buffer with a 0
367 ( (char*) ( *bufferptr ) )[len] = 0;
376 for ( lst = g_pakFiles; lst != NULL; lst = g_slist_next( lst ) )
378 VFS_PAKFILE* file = (VFS_PAKFILE*)lst->data;
380 if ( strcmp( file->name, fixed ) != 0 ) {
384 if ( count == index ) {
386 if ( unzOpenCurrentFile( file->zipfile ) != UNZ_OK ) {
390 *bufferptr = safe_malloc( file->size + 1 );
391 // we need to end the buffer with a 0
392 ( (char*) ( *bufferptr ) )[file->size] = 0;
394 i = unzReadCurrentFile( file->zipfile, *bufferptr, file->size );
395 unzCloseCurrentFile( file->zipfile );