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"
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)
82 if (str[n-1] != '\\' && str[n-1] != '/')
87 static void vfsFixDOSName (char *src)
100 //!\todo Define globally or use heap-allocated string.
103 static void vfsInitPakFile (const char *filename)
110 uf = unzOpen (filename);
114 g_unzFiles = g_slist_append (g_unzFiles, uf);
116 err = unzGetGlobalInfo (uf,&gi);
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);
131 file = (VFS_PAKFILE*)safe_malloc (sizeof (VFS_PAKFILE));
132 g_pakFiles = g_slist_append (g_pakFiles, file);
134 vfsFixDOSName (filename_inzip);
135 g_strdown (filename_inzip);
137 file->name = strdup (filename_inzip);
138 file->size = file_info.uncompressed_size;
140 memcpy (&file->zipinfo, uf, sizeof (unz_s));
142 if ((i+1) < gi.number_entry)
144 err = unzGoToNextFile(uf);
151 // =============================================================================
154 // reads all pak files from a dir
155 void vfsInitDirectory (const char *path)
157 char filename[PATH_MAX];
162 for(j = 0; j < g_numForbiddenDirs; ++j)
164 const char *p = strrchr(path, '/');
165 p = (p ? (p+1) : path);
166 if(matchpattern(p, g_strForbiddenDirs[j], TRUE))
169 if(j < g_numForbiddenDirs)
172 if (g_numDirs == VFS_MAXDIRS)
175 Sys_Printf ("VFS Init: %s\n", path);
177 strncpy (g_strDirs[g_numDirs], path, PATH_MAX);
178 g_strDirs[g_numDirs][PATH_MAX] = 0;
179 vfsFixDOSName (g_strDirs[g_numDirs]);
180 vfsAddSlash (g_strDirs[g_numDirs]);
185 dir = g_dir_open (path, 0, NULL);
191 const char* name = g_dir_read_name(dir);
195 for(j = 0; j < g_numForbiddenDirs; ++j)
196 if(!Q_stricmp(name, g_strForbiddenDirs[j]))
198 if(j < g_numForbiddenDirs)
201 dirlist = g_strdup(name);
204 char *ext = strrchr (dirlist, '.');
206 if(ext && !Q_stricmp(ext, ".pk3dir"))
208 if (g_numDirs == VFS_MAXDIRS)
210 snprintf(g_strDirs[g_numDirs], PATH_MAX, "%s/%s", path, name);
211 g_strDirs[g_numDirs][PATH_MAX] = '\0';
212 vfsFixDOSName (g_strDirs[g_numDirs]);
213 vfsAddSlash (g_strDirs[g_numDirs]);
217 if ((ext == NULL) || (Q_stricmp (ext, ".pk3") != 0))
221 sprintf (filename, "%s/%s", path, dirlist);
222 vfsInitPakFile (filename);
231 // frees all memory that we allocated
236 unzClose ((unzFile)g_unzFiles->data);
237 g_unzFiles = g_slist_remove (g_unzFiles, g_unzFiles->data);
242 VFS_PAKFILE* file = (VFS_PAKFILE*)g_pakFiles->data;
245 g_pakFiles = g_slist_remove (g_pakFiles, file);
249 // return the number of files that match
250 int vfsGetFileCount (const char *filename)
253 char fixed[NAME_MAX], tmp[NAME_MAX];
256 strcpy (fixed, filename);
257 vfsFixDOSName (fixed);
260 for (lst = g_pakFiles; lst != NULL; lst = g_slist_next (lst))
262 VFS_PAKFILE* file = (VFS_PAKFILE*)lst->data;
264 if (strcmp (file->name, fixed) == 0)
268 for (i = 0; i < g_numDirs; i++)
270 strcpy (tmp, g_strDirs[i]);
272 if (access (tmp, R_OK) == 0)
279 // NOTE: when loading a file, you have to allocate one extra byte and set it to \0
280 int vfsLoadFile (const char *filename, void **bufferptr, int index)
283 char tmp[NAME_MAX], fixed[NAME_MAX];
286 // filename is a full path
292 f = fopen (filename, "rb");
296 fseek (f, 0, SEEK_END);
300 *bufferptr = safe_malloc (len+1);
301 if (*bufferptr == NULL)
307 if(fread (*bufferptr, 1, len, f) != (size_t) len)
314 // we need to end the buffer with a 0
315 ((char*) (*bufferptr))[len] = 0;
321 strcpy (fixed, filename);
322 vfsFixDOSName (fixed);
325 for (i = 0; i < g_numDirs; i++)
327 strcpy (tmp, g_strDirs[i]);
328 strcat (tmp, filename);
329 if (access (tmp, R_OK) == 0)
336 f = fopen (tmp, "rb");
340 fseek (f, 0, SEEK_END);
344 *bufferptr = safe_malloc (len+1);
345 if (*bufferptr == NULL)
351 if(fread (*bufferptr, 1, len, f) != (size_t) len)
358 // we need to end the buffer with a 0
359 ((char*) (*bufferptr))[len] = 0;
368 for (lst = g_pakFiles; lst != NULL; lst = g_slist_next (lst))
370 VFS_PAKFILE* file = (VFS_PAKFILE*)lst->data;
372 if (strcmp (file->name, fixed) != 0)
377 memcpy (file->zipfile, &file->zipinfo, sizeof (unz_s));
379 if (unzOpenCurrentFile (file->zipfile) != UNZ_OK)
382 *bufferptr = safe_malloc (file->size+1);
383 // we need to end the buffer with a 0
384 ((char*) (*bufferptr))[file->size] = 0;
386 i = unzReadCurrentFile (file->zipfile , *bufferptr, file->size);
387 unzCloseCurrentFile (file->zipfile);