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:
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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)
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)
81 if (str[n-1] != '\\' && str[n-1] != '/')
86 static void vfsFixDOSName (char *src)
99 //!\todo Define globally or use heap-allocated string.
102 static void vfsInitPakFile (const char *filename)
109 uf = unzOpen (filename);
113 g_unzFiles = g_slist_append (g_unzFiles, uf);
115 err = unzGetGlobalInfo (uf,&gi);
118 unzGoToFirstFile(uf);
120 for (i = 0; i < gi.number_entry; i++)
122 char filename_inzip[NAME_MAX];
123 unz_file_info file_info;
126 err = unzGetCurrentFileInfo (uf, &file_info, filename_inzip, sizeof(filename_inzip), NULL, 0, NULL, 0);
130 file = (VFS_PAKFILE*)safe_malloc (sizeof (VFS_PAKFILE));
131 g_pakFiles = g_slist_append (g_pakFiles, file);
133 vfsFixDOSName (filename_inzip);
134 g_strdown (filename_inzip);
136 file->name = strdup (filename_inzip);
137 file->size = file_info.uncompressed_size;
139 memcpy (&file->zipinfo, uf, sizeof (unz_s));
141 if ((i+1) < gi.number_entry)
143 err = unzGoToNextFile(uf);
150 // =============================================================================
153 // reads all pak files from a dir
154 void vfsInitDirectory (const char *path)
156 char filename[PATH_MAX];
161 for(j = 0; j < g_numForbiddenDirs; ++j)
163 if(!Q_stricmp(path, g_strForbiddenDirs[j])
164 || (strlen(path) > strlen(g_strForbiddenDirs[j]) && path[strlen(path) - strlen(g_strForbiddenDirs[j]) - 1] == '/' && !Q_stricmp(path + strlen(path) - strlen(g_strForbiddenDirs[j]), g_strForbiddenDirs[j])))
167 if(j < g_numForbiddenDirs)
170 if (g_numDirs == VFS_MAXDIRS)
173 Sys_Printf ("VFS Init: %s\n", path);
175 strncpy (g_strDirs[g_numDirs], path, PATH_MAX);
176 g_strDirs[g_numDirs][PATH_MAX] = 0;
177 vfsFixDOSName (g_strDirs[g_numDirs]);
178 vfsAddSlash (g_strDirs[g_numDirs]);
183 dir = g_dir_open (path, 0, NULL);
189 const char* name = g_dir_read_name(dir);
193 for(j = 0; j < g_numForbiddenDirs; ++j)
194 if(!Q_stricmp(name, g_strForbiddenDirs[j]))
196 if(j < g_numForbiddenDirs)
199 dirlist = g_strdup(name);
202 char *ext = strrchr (dirlist, '.');
204 if(ext && !Q_stricmp(ext, ".pk3dir"))
206 if (g_numDirs == VFS_MAXDIRS)
208 snprintf(g_strDirs[g_numDirs], PATH_MAX, "%s/%s", path, name);
209 g_strDirs[g_numDirs][PATH_MAX] = '\0';
210 vfsFixDOSName (g_strDirs[g_numDirs]);
211 vfsAddSlash (g_strDirs[g_numDirs]);
215 if ((ext == NULL) || (Q_stricmp (ext, ".pk3") != 0))
219 sprintf (filename, "%s/%s", path, dirlist);
220 vfsInitPakFile (filename);
229 // frees all memory that we allocated
234 unzClose ((unzFile)g_unzFiles->data);
235 g_unzFiles = g_slist_remove (g_unzFiles, g_unzFiles->data);
240 VFS_PAKFILE* file = (VFS_PAKFILE*)g_pakFiles->data;
243 g_pakFiles = g_slist_remove (g_pakFiles, file);
247 // return the number of files that match
248 int vfsGetFileCount (const char *filename)
251 char fixed[NAME_MAX], tmp[NAME_MAX];
254 strcpy (fixed, filename);
255 vfsFixDOSName (fixed);
258 for (lst = g_pakFiles; lst != NULL; lst = g_slist_next (lst))
260 VFS_PAKFILE* file = (VFS_PAKFILE*)lst->data;
262 if (strcmp (file->name, fixed) == 0)
266 for (i = 0; i < g_numDirs; i++)
268 strcpy (tmp, g_strDirs[i]);
270 if (access (tmp, R_OK) == 0)
277 // NOTE: when loading a file, you have to allocate one extra byte and set it to \0
278 int vfsLoadFile (const char *filename, void **bufferptr, int index)
281 char tmp[NAME_MAX], fixed[NAME_MAX];
284 // filename is a full path
290 f = fopen (filename, "rb");
294 fseek (f, 0, SEEK_END);
298 *bufferptr = safe_malloc (len+1);
299 if (*bufferptr == NULL)
305 if(fread (*bufferptr, 1, len, f) != (size_t) len)
312 // we need to end the buffer with a 0
313 ((char*) (*bufferptr))[len] = 0;
319 strcpy (fixed, filename);
320 vfsFixDOSName (fixed);
323 for (i = 0; i < g_numDirs; i++)
325 strcpy (tmp, g_strDirs[i]);
326 strcat (tmp, filename);
327 if (access (tmp, R_OK) == 0)
334 f = fopen (tmp, "rb");
338 fseek (f, 0, SEEK_END);
342 *bufferptr = safe_malloc (len+1);
343 if (*bufferptr == NULL)
349 if(fread (*bufferptr, 1, len, f) != (size_t) len)
356 // we need to end the buffer with a 0
357 ((char*) (*bufferptr))[len] = 0;
366 for (lst = g_pakFiles; lst != NULL; lst = g_slist_next (lst))
368 VFS_PAKFILE* file = (VFS_PAKFILE*)lst->data;
370 if (strcmp (file->name, fixed) != 0)
375 memcpy (file->zipfile, &file->zipinfo, sizeof (unz_s));
377 if (unzOpenCurrentFile (file->zipfile) != UNZ_OK)
380 *bufferptr = safe_malloc (file->size+1);
381 // we need to end the buffer with a 0
382 ((char*) (*bufferptr))[file->size] = 0;
384 i = unzReadCurrentFile (file->zipfile , *bufferptr, file->size);
385 unzCloseCurrentFile (file->zipfile);