]> git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - fs.c
first vpack stuff
[xonotic/darkplaces.git] / fs.c
diff --git a/fs.c b/fs.c
index a03226756894753a6205995e20777a35958220ef..775d766bd608193913e787d774a29d0e4deb289c 100644 (file)
--- a/fs.c
+++ b/fs.c
@@ -106,6 +106,19 @@ CONSTANTS
 #define ZIP_CDIR_CHUNK_BASE_SIZE       46
 #define ZIP_LOCAL_CHUNK_BASE_SIZE      30
 
+#ifdef LINK_TO_ZLIB
+#include <zlib.h>
+
+#define qz_inflate inflate
+#define qz_inflateEnd inflateEnd
+#define qz_inflateInit2_ inflateInit2_
+#define qz_inflateReset inflateReset
+#define qz_deflateInit2_ deflateInit2_
+#define qz_deflateEnd deflateEnd
+#define qz_deflate deflate
+#define Z_MEMLEVEL_DEFAULT 8
+#else
+
 // Zlib constants (from zlib.h)
 #define Z_SYNC_FLUSH   2
 #define MAX_WBITS              15
@@ -166,6 +179,7 @@ typedef struct
        unsigned long   adler;          ///< adler32 value of the uncompressed data
        unsigned long   reserved;       ///< reserved for future use
 } z_stream;
+#endif
 
 
 /// inside a package (PAK or PK3)
@@ -272,6 +286,7 @@ typedef struct searchpath_s
        // only one of filename / pack will be used
        char filename[MAX_OSPATH];
        pack_t *pack;
+       const char *vpack; // points into filename where the pack short name starts
        struct searchpath_s *next;
 } searchpath_t;
 
@@ -334,6 +349,7 @@ PRIVATE FUNCTIONS - PK3 HANDLING
 =============================================================================
 */
 
+#ifndef LINK_TO_ZLIB
 // Functions exported from zlib
 #if defined(WIN32) && defined(ZLIB_USES_WINAPI)
 # define ZEXPORT WINAPI
@@ -348,12 +364,14 @@ static int (ZEXPORT *qz_inflateReset) (z_stream* strm);
 static int (ZEXPORT *qz_deflateInit2_) (z_stream* strm, int level, int method, int windowBits, int memLevel, int strategy, const char *version, int stream_size);
 static int (ZEXPORT *qz_deflateEnd) (z_stream* strm);
 static int (ZEXPORT *qz_deflate) (z_stream* strm, int flush);
+#endif
 
 #define qz_inflateInit2(strm, windowBits) \
         qz_inflateInit2_((strm), (windowBits), ZLIB_VERSION, sizeof(z_stream))
 #define qz_deflateInit2(strm, level, method, windowBits, memLevel, strategy) \
         qz_deflateInit2_((strm), (level), (method), (windowBits), (memLevel), (strategy), ZLIB_VERSION, sizeof(z_stream))
 
+#ifndef LINK_TO_ZLIB
 //        qz_deflateInit_((strm), (level), ZLIB_VERSION, sizeof(z_stream))
 
 static dllfunction_t zlibfuncs[] =
@@ -370,6 +388,7 @@ static dllfunction_t zlibfuncs[] =
 
 /// Handle for Zlib DLL
 static dllhandle_t zlib_dll = NULL;
+#endif
 
 #ifdef WIN32
 static HRESULT (WINAPI *qSHGetFolderPath) (HWND hwndOwner, int nFolder, HANDLE hToken, DWORD dwFlags, LPTSTR pszPath);
@@ -390,7 +409,9 @@ Unload the Zlib DLL
 */
 void PK3_CloseLibrary (void)
 {
+#ifndef LINK_TO_ZLIB
        Sys_UnloadLibrary (&zlib_dll);
+#endif
 }
 
 
@@ -403,11 +424,12 @@ Try to load the Zlib DLL
 */
 qboolean PK3_OpenLibrary (void)
 {
+#ifdef LINK_TO_ZLIB
+       return true;
+#else
        const char* dllnames [] =
        {
-#if defined(WIN64)
-               "zlib64.dll",
-#elif defined(WIN32)
+#if defined(WIN32)
 # ifdef ZLIB_USES_WINAPI
                "zlibwapi.dll",
                "zlib.dll",
@@ -429,6 +451,7 @@ qboolean PK3_OpenLibrary (void)
 
        // Load the DLL
        return Sys_LoadLibrary (dllnames, &zlib_dll, zlibfuncs);
+#endif
 }
 
 /*
@@ -440,8 +463,12 @@ See if zlib is available
 */
 qboolean FS_HasZlib(void)
 {
+#ifdef LINK_TO_ZLIB
+       return true;
+#else
        PK3_OpenLibrary(); // to be safe
        return (zlib_dll != 0);
+#endif
 }
 
 /*
@@ -523,7 +550,7 @@ int PK3_BuildFileList (pack_t *pack, const pk3_endOfCentralDir_t *eocd)
        // Load the central directory in memory
        central_dir = (unsigned char *)Mem_Alloc (tempmempool, eocd->cdir_size);
        lseek (pack->handle, eocd->cdir_offset, SEEK_SET);
-       if(read (pack->handle, central_dir, eocd->cdir_size) != (ssize_t) eocd->cdir_size)
+       if(read (pack->handle, central_dir, eocd->cdir_size) != (fs_offset_t) eocd->cdir_size)
        {
                Mem_Free (central_dir);
                return -1;
@@ -692,7 +719,7 @@ pack_t *FS_LoadPackPK3 (const char *packfile)
                return NULL;
        }
 
-       Con_Printf("Added packfile %s (%i files)\n", packfile, real_nb_files);
+       Con_DPrintf("Added packfile %s (%i files)\n", packfile, real_nb_files);
        return pack;
 }
 
@@ -832,6 +859,8 @@ void FS_Path_f (void)
        {
                if (s->pack)
                        Con_Printf("%s (%i files)\n", s->pack->filename, s->pack->numfiles);
+               else if (s->vpack)
+                       Con_Printf("%s (virtual pack)\n", s->filename);
                else
                        Con_Printf("%s\n", s->filename);
        }
@@ -921,7 +950,7 @@ pack_t *FS_LoadPackPAK (const char *packfile)
 
        Mem_Free(info);
 
-       Con_Printf("Added packfile %s (%i files)\n", packfile, numpackfiles);
+       Con_DPrintf("Added packfile %s (%i files)\n", packfile, numpackfiles);
        return pack;
 }
 
@@ -944,11 +973,12 @@ static qboolean FS_AddPack_Fullpath(const char *pakfile, const char *shortname,
 {
        searchpath_t *search;
        pack_t *pak = NULL;
+       qboolean fakepack = true;
        const char *ext = FS_FileExtension(pakfile);
 
        for(search = fs_searchpaths; search; search = search->next)
        {
-               if(search->pack && !strcasecmp(search->pack->filename, pakfile))
+               if(search->pack ? !strcasecmp(search->pack->filename, pakfile) : (search->vpack && !strcasecmp(search->filename, pakfile)))
                {
                        if(already_loaded)
                                *already_loaded = true;
@@ -959,7 +989,12 @@ static qboolean FS_AddPack_Fullpath(const char *pakfile, const char *shortname,
        if(already_loaded)
                *already_loaded = false;
 
-       if(!strcasecmp(ext, "pak"))
+       if(FS_SysFileType(pakfile) == FS_FILETYPE_DIRECTORY)
+       {
+               fakepack = true;
+               Con_DPrintf("Added packfile %s (virtual pack)\n", pakfile);
+       }
+       else if(!strcasecmp(ext, "pak"))
                pak = FS_LoadPackPAK (pakfile);
        else if(!strcasecmp(ext, "pk3"))
                pak = FS_LoadPackPK3 (pakfile);
@@ -981,7 +1016,7 @@ static qboolean FS_AddPack_Fullpath(const char *pakfile, const char *shortname,
                                {
                                        if(!insertion_point->next)
                                                break;
-                                       if(insertion_point->next->pack)
+                                       if(insertion_point->next->vpack)
                                                break;
                                        insertion_point = insertion_point->next;
                                }
@@ -992,7 +1027,6 @@ static qboolean FS_AddPack_Fullpath(const char *pakfile, const char *shortname,
                        if(!insertion_point)
                        {
                                search = (searchpath_t *)Mem_Alloc(fs_mempool, sizeof(searchpath_t));
-                               search->pack = pak;
                                search->next = fs_searchpaths;
                                fs_searchpaths = search;
                        }
@@ -1000,7 +1034,6 @@ static qboolean FS_AddPack_Fullpath(const char *pakfile, const char *shortname,
                        // otherwise we want to append directly after insertion_point.
                        {
                                search = (searchpath_t *)Mem_Alloc(fs_mempool, sizeof(searchpath_t));
-                               search->pack = pak;
                                search->next = insertion_point->next;
                                insertion_point->next = search;
                        }
@@ -1008,10 +1041,16 @@ static qboolean FS_AddPack_Fullpath(const char *pakfile, const char *shortname,
                else
                {
                        search = (searchpath_t *)Mem_Alloc(fs_mempool, sizeof(searchpath_t));
-                       search->pack = pak;
                        search->next = fs_searchpaths;
                        fs_searchpaths = search;
                }
+               search->pack = pak;
+               if(!pak)
+                       search->filename = fn;
+               if(strlen(filename) >= strlen(shortname))
+                       search->vpack = search->filename + strlen(search->filename) - strlen(shortname);
+               else
+                       search->vpack = search->filename;
                return true;
        }
        else
@@ -1038,7 +1077,7 @@ FS_AddPack
  */
 qboolean FS_AddPack(const char *pakfile, qboolean *already_loaded, qboolean keep_plain_dirs)
 {
-       char fullpath[MAX_QPATH];
+       char fullpath[MAX_OSPATH];
        int index;
        searchpath_t *search;
 
@@ -1047,7 +1086,7 @@ qboolean FS_AddPack(const char *pakfile, qboolean *already_loaded, qboolean keep
 
        // then find the real name...
        search = FS_FindFile(pakfile, &index, true);
-       if(!search || search->pack)
+       if(!search || search->vpack)
        {
                Con_Printf("could not find pak \"%s\"\n", pakfile);
                return false;
@@ -1488,7 +1527,7 @@ static void FS_ListGameDirs(void)
        }
        stringlistfreecontents(&list);
 
-       fs_all_gamedirs = Mem_Alloc(fs_mempool, list2.numstrings * sizeof(*fs_all_gamedirs));
+       fs_all_gamedirs = (gamedir_t *)Mem_Alloc(fs_mempool, list2.numstrings * sizeof(*fs_all_gamedirs));
        for(i = 0; i < list2.numstrings; ++i)
        {
                info = FS_CheckGameDir(list2.strings[i]);
@@ -1808,6 +1847,7 @@ qfile_t *FS_OpenPackedFile (pack_t* pack, int pack_ind)
                if (!PK3_GetTrueFileOffset (pfile, pack))
                        return NULL;
 
+#ifndef LINK_TO_ZLIB
        // No Zlib DLL = no compressed files
        if (!zlib_dll && (pfile->flags & PACKFILE_FLAG_DEFLATED))
        {
@@ -1816,6 +1856,7 @@ qfile_t *FS_OpenPackedFile (pack_t* pack, int pack_ind)
                                        pfile->name);
                return NULL;
        }
+#endif
 
        // LordHavoc: lseek affects all duplicates of a handle so we do it before
        // the dup() call to avoid having to close the dup_handle on error here
@@ -1992,16 +2033,16 @@ static searchpath_t *FS_FindFile (const char *name, int* index, qboolean quiet)
                                        if (fs_empty_files_in_pack_mark_deletions.integer && pak->files[middle].realsize == 0)
                                        {
                                                // yes, but the first one is empty so we treat it as not being there
-                                               if (!quiet && developer.integer >= 10)
-                                                       Con_Printf("FS_FindFile: %s is marked as deleted\n", name);
+                                               if (!quiet && developer_extra.integer)
+                                                       Con_DPrintf("FS_FindFile: %s is marked as deleted\n", name);
 
                                                if (index != NULL)
                                                        *index = -1;
                                                return NULL;
                                        }
 
-                                       if (!quiet && developer.integer >= 10)
-                                               Con_Printf("FS_FindFile: %s in %s\n",
+                                       if (!quiet && developer_extra.integer)
+                                               Con_DPrintf("FS_FindFile: %s in %s\n",
                                                                        pak->files[middle].name, pak->filename);
 
                                        if (index != NULL)
@@ -2022,8 +2063,8 @@ static searchpath_t *FS_FindFile (const char *name, int* index, qboolean quiet)
                        dpsnprintf(netpath, sizeof(netpath), "%s%s", search->filename, name);
                        if (FS_SysFileExists (netpath))
                        {
-                               if (!quiet && developer.integer >= 10)
-                                       Con_Printf("FS_FindFile: %s\n", netpath);
+                               if (!quiet && developer_extra.integer)
+                                       Con_DPrintf("FS_FindFile: %s\n", netpath);
 
                                if (index != NULL)
                                        *index = -1;
@@ -2032,8 +2073,8 @@ static searchpath_t *FS_FindFile (const char *name, int* index, qboolean quiet)
                }
        }
 
-       if (!quiet && developer.integer >= 10)
-               Con_Printf("FS_FindFile: can't find %s\n", name);
+       if (!quiet && developer_extra.integer)
+               Con_DPrintf("FS_FindFile: can't find %s\n", name);
 
        if (index != NULL)
                *index = -1;
@@ -2062,6 +2103,7 @@ qfile_t *FS_OpenReadFile (const char *filename, qboolean quiet, qboolean nonbloc
        // Found in the filesystem?
        if (pack_ind < 0)
        {
+               // this works with vpacks, so we are fine
                char path [MAX_OSPATH];
                dpsnprintf (path, sizeof (path), "%s%s", search->filename, filename);
                return FS_SysOpen (path, "rb", nonblocking);
@@ -2172,7 +2214,7 @@ qfile_t* FS_OpenRealFile (const char* filepath, const char* mode, qboolean quiet
                return NULL;
        }
 
-       dpsnprintf (real_path, sizeof (real_path), "%s/%s", fs_gamedir, filepath);
+       dpsnprintf (real_path, sizeof (real_path), "%s/%s", fs_gamedir, filepath); // this is never a vpack
 
        // If the file is opened in "write", "append", or "read/write" mode,
        // create directories up to the file.
@@ -2841,7 +2883,7 @@ Look for a file in the packages and in the filesystem
 int FS_FileType (const char *filename)
 {
        searchpath_t *search;
-       char fullpath[MAX_QPATH];
+       char fullpath[MAX_OSPATH];
 
        search = FS_FindFile (filename, NULL, true);
        if(!search)
@@ -2898,6 +2940,9 @@ int FS_SysFileType (const char *path)
        if (stat (path,&buf) == -1)
                return FS_FILETYPE_NONE;
 
+#ifndef S_ISDIR
+#define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
+#endif
        if(S_ISDIR(buf.st_mode))
                return FS_FILETYPE_DIRECTORY;
 
@@ -3242,6 +3287,8 @@ void FS_Which_f(void)
        }
        if (sp->pack)
                Con_Printf("%s is in package %s\n", filename, sp->pack->shortname);
+       else if (sp->vpack)
+               Con_Printf("%s is in virtual package %s\n", filename, sp->vpack);
        else
                Con_Printf("%s is file %s%s\n", filename, sp->filename, filename);
 }
@@ -3253,6 +3300,8 @@ const char *FS_WhichPack(const char *filename)
        searchpath_t *sp = FS_FindFile(filename, &index, true);
        if(sp && sp->pack)
                return sp->pack->shortname;
+       else if(sp && sp->vpack)
+               return sp->vpack;
        else
                return 0;
 }
@@ -3306,6 +3355,7 @@ qboolean FS_IsRegisteredQuakePack(const char *name)
                        // we found the requested pack but it is not registered quake
                        return false;
                }
+               // TODO do we want to support vpacks in here too?
        }
 
        return false;
@@ -3337,6 +3387,12 @@ unsigned char *FS_Deflate(const unsigned char *data, size_t size, size_t *deflat
        unsigned char *out = NULL;
        unsigned char *tmp;
 
+       *deflated_size = 0;
+#ifndef LINK_TO_ZLIB
+       if(!zlib_dll)
+               return NULL;
+#endif
+
        memset(&strm, 0, sizeof(strm));
        strm.zalloc = Z_NULL;
        strm.zfree = Z_NULL;
@@ -3430,6 +3486,12 @@ unsigned char *FS_Inflate(const unsigned char *data, size_t size, size_t *inflat
        unsigned int have;
        sizebuf_t outbuf;
 
+       *inflated_size = 0;
+#ifndef LINK_TO_ZLIB
+       if(!zlib_dll)
+               return NULL;
+#endif
+
        memset(&outbuf, 0, sizeof(outbuf));
        outbuf.data = (unsigned char *) Mem_Alloc(tempmempool, sizeof(tmp));
        outbuf.maxsize = sizeof(tmp);