2 Copyright (c) 2001, Loki software, inc.
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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>
64 // =============================================================================
67 static GSList* g_unzFiles;
68 static GSList* g_pakFiles;
69 static char g_strDirs[VFS_MAXDIRS][PATH_MAX + 1];
71 char g_strForbiddenDirs[VFS_MAXDIRS][PATH_MAX + 1];
72 int g_numForbiddenDirs = 0;
73 static gboolean g_bUsePak = TRUE;
75 // =============================================================================
78 static void vfsAddSlash( char *str ){
79 int n = strlen( str );
81 if ( str[n - 1] != '\\' && str[n - 1] != '/' ) {
87 static void vfsFixDOSName( char *src ){
101 //!\todo Define globally or use heap-allocated string.
104 static void vfsInitPakFile( const char *filename ){
110 uf = unzOpen( filename );
115 g_unzFiles = g_slist_append( g_unzFiles, uf );
117 err = unzGetGlobalInfo( uf,&gi );
118 if ( err != UNZ_OK ) {
121 unzGoToFirstFile( uf );
123 for ( i = 0; i < gi.number_entry; i++ )
125 char filename_inzip[NAME_MAX];
126 char *filename_lower;
127 unz_file_info file_info;
130 err = unzGetCurrentFileInfo( uf, &file_info, filename_inzip, sizeof( filename_inzip ), NULL, 0, NULL, 0 );
131 if ( err != UNZ_OK ) {
135 err = unzGetFilePos( uf, &pos );
136 if ( err != UNZ_OK ) {
140 file = (VFS_PAKFILE*)safe_malloc( sizeof( VFS_PAKFILE ) );
141 g_pakFiles = g_slist_append( g_pakFiles, file );
143 vfsFixDOSName( filename_inzip );
144 //-1 null terminated string
145 filename_lower = g_ascii_strdown( filename_inzip, -1 );
147 file->name = strdup( filename_lower );
148 file->size = file_info.uncompressed_size;
152 if ( ( i + 1 ) < gi.number_entry ) {
153 err = unzGoToNextFile( uf );
154 if ( err != UNZ_OK ) {
158 g_free( filename_lower );
162 // =============================================================================
165 // reads all pak files from a dir
166 void vfsInitDirectory( const char *path ){
167 char filename[PATH_MAX];
172 for ( j = 0; j < g_numForbiddenDirs; ++j )
174 char* dbuf = g_strdup( path );
175 if ( *dbuf && dbuf[strlen( dbuf ) - 1] == '/' ) {
176 dbuf[strlen( dbuf ) - 1] = 0;
178 const char *p = strrchr( dbuf, '/' );
179 p = ( p ? ( p + 1 ) : dbuf );
180 if ( matchpattern( p, g_strForbiddenDirs[j], TRUE ) ) {
186 if ( j < g_numForbiddenDirs ) {
190 if ( g_numDirs == VFS_MAXDIRS ) {
194 Sys_Printf( "VFS Init: %s\n", path );
196 strncpy( g_strDirs[g_numDirs], path, PATH_MAX );
197 g_strDirs[g_numDirs][PATH_MAX] = 0;
198 vfsFixDOSName( g_strDirs[g_numDirs] );
199 vfsAddSlash( g_strDirs[g_numDirs] );
203 dir = g_dir_open( path, 0, NULL );
208 const char* name = g_dir_read_name( dir );
209 if ( name == NULL ) {
213 for ( j = 0; j < g_numForbiddenDirs; ++j )
215 const char *p = strrchr( name, '/' );
216 p = ( p ? ( p + 1 ) : name );
217 if ( matchpattern( p, g_strForbiddenDirs[j], TRUE ) ) {
221 if ( j < g_numForbiddenDirs ) {
225 dirlist = g_strdup( name );
228 char *ext = strrchr( dirlist, '.' );
230 if ( ext != NULL && ( !Q_stricmp( ext, ".pk3dir" ) || !Q_stricmp( ext, ".dpkdir" ) ) ) {
231 if ( g_numDirs == VFS_MAXDIRS ) {
234 snprintf( g_strDirs[g_numDirs], PATH_MAX, "%s/%s", path, name );
235 g_strDirs[g_numDirs][PATH_MAX-1] = '\0';
236 vfsFixDOSName( g_strDirs[g_numDirs] );
237 vfsAddSlash( g_strDirs[g_numDirs] );
241 if ( ext == NULL || ( Q_stricmp( ext, ".pk3" ) != 0 && Q_stricmp( ext, ".dpk" ) != 0 ) ) {
246 sprintf( filename, "%s/%s", path, dirlist );
247 vfsInitPakFile( filename );
256 // frees all memory that we allocated
260 unzClose( (unzFile)g_unzFiles->data );
261 g_unzFiles = g_slist_remove( g_unzFiles, g_unzFiles->data );
266 VFS_PAKFILE* file = (VFS_PAKFILE*)g_pakFiles->data;
269 g_pakFiles = g_slist_remove( g_pakFiles, file );
273 // return the number of files that match
274 int vfsGetFileCount( const char *filename ){
276 char fixed[NAME_MAX], tmp[NAME_MAX];
280 strcpy( fixed, filename );
281 vfsFixDOSName( fixed );
282 lower = g_ascii_strdown( fixed, -1 );
284 for ( lst = g_pakFiles; lst != NULL; lst = g_slist_next( lst ) )
286 VFS_PAKFILE* file = (VFS_PAKFILE*)lst->data;
288 if ( strcmp( file->name, lower ) == 0 ) {
293 for ( i = 0; i < g_numDirs; i++ )
295 strcpy( tmp, g_strDirs[i] );
296 strcat( tmp, lower );
297 if ( access( tmp, R_OK ) == 0 ) {
305 // NOTE: when loading a file, you have to allocate one extra byte and set it to \0
306 int vfsLoadFile( const char *filename, void **bufferptr, int index ){
308 char tmp[NAME_MAX], fixed[NAME_MAX];
312 // filename is a full path
317 f = fopen( filename, "rb" );
322 fseek( f, 0, SEEK_END );
326 *bufferptr = safe_malloc( len + 1 );
327 if ( *bufferptr == NULL ) {
332 if ( fread( *bufferptr, 1, len, f ) != (size_t) len ) {
338 // we need to end the buffer with a 0
339 ( (char*) ( *bufferptr ) )[len] = 0;
345 strcpy( fixed, filename );
346 vfsFixDOSName( fixed );
347 lower = g_ascii_strdown( fixed, -1 );
349 for ( i = 0; i < g_numDirs; i++ )
351 strcpy( tmp, g_strDirs[i] );
352 strcat( tmp, filename );
353 if ( access( tmp, R_OK ) == 0 ) {
354 if ( count == index ) {
358 f = fopen( tmp, "rb" );
363 fseek( f, 0, SEEK_END );
367 *bufferptr = safe_malloc( len + 1 );
368 if ( *bufferptr == NULL ) {
373 if ( fread( *bufferptr, 1, len, f ) != (size_t) len ) {
379 // we need to end the buffer with a 0
380 ( (char*) ( *bufferptr ) )[len] = 0;
389 for ( lst = g_pakFiles; lst != NULL; lst = g_slist_next( lst ) )
391 VFS_PAKFILE* file = (VFS_PAKFILE*)lst->data;
393 if ( strcmp( file->name, lower ) != 0 ) {
397 if ( count == index ) {
399 if ( unzGoToFilePos( file->zipfile, &file->zippos ) != UNZ_OK ) {
402 if ( unzOpenCurrentFile( file->zipfile ) != UNZ_OK ) {
406 *bufferptr = safe_malloc( file->size + 1 );
407 // we need to end the buffer with a 0
408 ( (char*) ( *bufferptr ) )[file->size] = 0;
410 i = unzReadCurrentFile( file->zipfile, *bufferptr, file->size );
411 unzCloseCurrentFile( file->zipfile );