3896 lines
92 KiB
3896 lines
92 KiB
/* |
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filesystem.c - game filesystem based on DP fs |
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Copyright (C) 2007 Uncle Mike |
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This program is free software: you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation, either version 3 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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*/ |
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#include <fcntl.h> |
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#include <sys/stat.h> |
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#include <time.h> |
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#ifdef _WIN32 |
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#include <direct.h> |
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#include <io.h> |
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#else |
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#include <dirent.h> |
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#include <errno.h> |
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#endif |
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#include "miniz.h" // header-only zlib replacement |
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#include "common.h" |
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#include "wadfile.h" |
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#include "filesystem.h" |
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#include "library.h" |
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#include "mathlib.h" |
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#include "protocol.h" |
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#define FILE_COPY_SIZE (1024 * 1024) |
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#define FILE_BUFF_SIZE (2048) |
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// PAK errors |
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#define PAK_LOAD_OK 0 |
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#define PAK_LOAD_COULDNT_OPEN 1 |
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#define PAK_LOAD_BAD_HEADER 2 |
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#define PAK_LOAD_BAD_FOLDERS 3 |
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#define PAK_LOAD_TOO_MANY_FILES 4 |
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#define PAK_LOAD_NO_FILES 5 |
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#define PAK_LOAD_CORRUPTED 6 |
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// WAD errors |
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#define WAD_LOAD_OK 0 |
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#define WAD_LOAD_COULDNT_OPEN 1 |
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#define WAD_LOAD_BAD_HEADER 2 |
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#define WAD_LOAD_BAD_FOLDERS 3 |
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#define WAD_LOAD_TOO_MANY_FILES 4 |
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#define WAD_LOAD_NO_FILES 5 |
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#define WAD_LOAD_CORRUPTED 6 |
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// ZIP errors |
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#define ZIP_LOAD_OK 0 |
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#define ZIP_LOAD_COULDNT_OPEN 1 |
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#define ZIP_LOAD_BAD_HEADER 2 |
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#define ZIP_LOAD_BAD_FOLDERS 3 |
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#define ZIP_LOAD_NO_FILES 5 |
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#define ZIP_LOAD_CORRUPTED 6 |
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typedef struct stringlist_s |
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{ |
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// maxstrings changes as needed, causing reallocation of strings[] array |
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int maxstrings; |
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int numstrings; |
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char **strings; |
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} stringlist_t; |
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typedef struct wadtype_s |
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{ |
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char *ext; |
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signed char type; |
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} wadtype_t; |
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typedef struct file_s |
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{ |
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int handle; // file descriptor |
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fs_offset_t real_length; // uncompressed file size (for files opened in "read" mode) |
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fs_offset_t position; // current position in the file |
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fs_offset_t offset; // offset into the package (0 if external file) |
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int ungetc; // single stored character from ungetc, cleared to EOF when read |
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time_t filetime; // pak, wad or real filetime |
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// contents buffer |
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fs_offset_t buff_ind, buff_len; // buffer current index and length |
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byte buff[FILE_BUFF_SIZE]; // intermediate buffer |
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} file_t; |
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typedef struct wfile_s |
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{ |
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string filename; |
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int infotableofs; |
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byte *mempool; // W_ReadLump temp buffers |
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int numlumps; |
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file_t *handle; |
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dlumpinfo_t *lumps; |
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time_t filetime; |
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} wfile_t; |
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typedef struct pack_s |
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{ |
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string filename; |
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int handle; |
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int numfiles; |
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time_t filetime; // common for all packed files |
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dpackfile_t *files; |
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} pack_t; |
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typedef struct zipfile_s |
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{ |
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char name[MAX_SYSPATH]; |
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fs_offset_t offset; // offset of local file header |
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fs_offset_t size; //original file size |
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fs_offset_t compressed_size; // compressed file size |
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} zipfile_t; |
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typedef struct zip_s |
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{ |
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string filename; |
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byte *mempool; |
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file_t *handle; |
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int numfiles; |
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time_t filetime; |
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zipfile_t *files; |
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} zip_t; |
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typedef struct searchpath_s |
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{ |
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string filename; |
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pack_t *pack; |
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wfile_t *wad; |
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zip_t *zip; |
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int flags; |
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struct searchpath_s *next; |
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} searchpath_t; |
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byte *fs_mempool; |
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searchpath_t *fs_searchpaths = NULL; // chain |
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searchpath_t fs_directpath; // static direct path |
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char fs_basedir[MAX_SYSPATH]; // base game directory |
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char fs_gamedir[MAX_SYSPATH]; // game current directory |
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char fs_writedir[MAX_SYSPATH]; // path that game allows to overwrite, delete and rename files (and create new of course) |
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qboolean fs_ext_path = false; // attempt to read\write from ./ or ../ pathes |
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#ifndef _WIN32 |
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qboolean fs_caseinsensitive = true; // try to search missing files |
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#endif |
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static void FS_InitMemory( void ); |
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static searchpath_t *FS_FindFile( const char *name, int *index, qboolean gamedironly ); |
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static dlumpinfo_t *W_FindLump( wfile_t *wad, const char *name, const signed char matchtype ); |
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static dpackfile_t *FS_AddFileToPack( const char* name, pack_t *pack, fs_offset_t offset, fs_offset_t size ); |
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void Zip_Close( zip_t *zip ); |
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static byte *W_LoadFile( const char *path, fs_offset_t *filesizeptr, qboolean gamedironly ); |
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static wfile_t *W_Open( const char *filename, int *errorcode ); |
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static qboolean FS_SysFolderExists( const char *path ); |
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static int FS_SysFileTime( const char *filename ); |
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static signed char W_TypeFromExt( const char *lumpname ); |
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static const char *W_ExtFromType( signed char lumptype ); |
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static void FS_Purge( file_t* file ); |
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/* |
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============================================================================= |
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FILEMATCH COMMON SYSTEM |
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============================================================================= |
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*/ |
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static void stringlistinit( stringlist_t *list ) |
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{ |
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memset( list, 0, sizeof( *list )); |
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} |
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static void stringlistfreecontents( stringlist_t *list ) |
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{ |
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int i; |
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for( i = 0; i < list->numstrings; i++ ) |
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{ |
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if( list->strings[i] ) |
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Mem_Free( list->strings[i] ); |
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list->strings[i] = NULL; |
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} |
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if( list->strings ) |
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Mem_Free( list->strings ); |
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list->numstrings = 0; |
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list->maxstrings = 0; |
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list->strings = NULL; |
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} |
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static void stringlistappend( stringlist_t *list, char *text ) |
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{ |
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size_t textlen; |
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if( !Q_stricmp( text, "." ) || !Q_stricmp( text, ".." )) |
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return; // ignore the virtual directories |
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if( list->numstrings >= list->maxstrings ) |
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{ |
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list->maxstrings += 4096; |
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list->strings = Mem_Realloc( fs_mempool, list->strings, list->maxstrings * sizeof( *list->strings )); |
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} |
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textlen = Q_strlen( text ) + 1; |
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list->strings[list->numstrings] = Mem_Calloc( fs_mempool, textlen ); |
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memcpy( list->strings[list->numstrings], text, textlen ); |
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list->numstrings++; |
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} |
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static void stringlistsort( stringlist_t *list ) |
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{ |
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char *temp; |
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int i, j; |
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// this is a selection sort (finds the best entry for each slot) |
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for( i = 0; i < list->numstrings - 1; i++ ) |
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{ |
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for( j = i + 1; j < list->numstrings; j++ ) |
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{ |
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if( Q_strcmp( list->strings[i], list->strings[j] ) > 0 ) |
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{ |
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temp = list->strings[i]; |
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list->strings[i] = list->strings[j]; |
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list->strings[j] = temp; |
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} |
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} |
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} |
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} |
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// convert names to lowercase because windows doesn't care, but pattern matching code often does |
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static void listlowercase( stringlist_t *list ) |
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{ |
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char *c; |
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int i; |
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for( i = 0; i < list->numstrings; i++ ) |
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{ |
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for( c = list->strings[i]; *c; c++ ) |
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*c = Q_tolower( *c ); |
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} |
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} |
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static void listdirectory( stringlist_t *list, const char *path, qboolean lowercase ) |
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{ |
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int i; |
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signed char *c; |
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#ifdef _WIN32 |
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char pattern[4096]; |
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struct _finddata_t n_file; |
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int hFile; |
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#else |
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DIR *dir; |
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struct dirent *entry; |
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#endif |
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#ifdef _WIN32 |
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Q_snprintf( pattern, sizeof( pattern ), "%s*", path ); |
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// ask for the directory listing handle |
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hFile = _findfirst( pattern, &n_file ); |
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if( hFile == -1 ) return; |
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// start a new chain with the the first name |
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stringlistappend( list, n_file.name ); |
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// iterate through the directory |
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while( _findnext( hFile, &n_file ) == 0 ) |
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stringlistappend( list, n_file.name ); |
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_findclose( hFile ); |
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#else |
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if( !( dir = opendir( path ) ) ) |
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return; |
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// iterate through the directory |
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while( ( entry = readdir( dir ) )) |
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stringlistappend( list, entry->d_name ); |
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closedir( dir ); |
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#endif |
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// seems not needed anymore |
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#if 0 |
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// convert names to lowercase because windows doesn't care, but pattern matching code often does |
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if( lowercase ) |
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listlowercase( list ); |
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#endif |
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} |
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/* |
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============================================================================= |
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OTHER PRIVATE FUNCTIONS |
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============================================================================= |
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*/ |
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/* |
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================== |
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FS_FixFileCase |
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emulate WIN32 FS behaviour when opening local file |
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================== |
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*/ |
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static const char *FS_FixFileCase( const char *path ) |
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{ |
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#if !defined _WIN32 && !TARGET_OS_IPHONE // assume case insensitive |
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DIR *dir; struct dirent *entry; |
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char path2[PATH_MAX], *fname; |
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if( !fs_caseinsensitive ) |
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return path; |
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if( path[0] != '/' ) |
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Q_snprintf( path2, sizeof( path2 ), "./%s", path ); |
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else Q_strncpy( path2, path, PATH_MAX ); |
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fname = Q_strrchr( path2, '/' ); |
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if( fname ) |
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*fname++ = 0; |
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else |
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{ |
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fname = (char*)path; |
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Q_strcpy( path2, "."); |
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} |
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/* android has too slow directory scanning, |
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so drop out some not useful cases */ |
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if( fname - path2 > 4 ) |
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{ |
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char *point; |
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// too many wad textures |
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if( !Q_stricmp( fname - 5, ".wad") ) |
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return path; |
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point = Q_strchr( fname, '.' ); |
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if( point ) |
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{ |
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if( !Q_strcmp( point, ".mip") || !Q_strcmp( point, ".dds" ) || !Q_strcmp( point, ".ent" ) ) |
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return path; |
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if( fname[0] == '{' ) |
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return path; |
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} |
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} |
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//Con_Reportf( "FS_FixFileCase: %s\n", path ); |
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if( !( dir = opendir( path2 ) ) ) |
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return path; |
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while( ( entry = readdir( dir ) ) ) |
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{ |
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if( Q_stricmp( entry->d_name, fname ) ) |
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continue; |
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path = va( "%s/%s", path2, entry->d_name ); |
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//Con_Reportf( "FS_FixFileCase: %s %s %s\n", path2, fname, entry->d_name ); |
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break; |
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} |
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closedir( dir ); |
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#endif |
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return path; |
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} |
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/* |
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==================== |
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FS_AddFileToPack |
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Add a file to the list of files contained into a package |
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==================== |
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*/ |
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static dpackfile_t *FS_AddFileToPack( const char *name, pack_t *pack, fs_offset_t offset, fs_offset_t size ) |
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{ |
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int left, right, middle; |
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dpackfile_t *pfile; |
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// look for the slot we should put that file into (binary search) |
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left = 0; |
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right = pack->numfiles - 1; |
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while( left <= right ) |
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{ |
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int diff; |
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middle = (left + right) / 2; |
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diff = Q_stricmp( pack->files[middle].name, name ); |
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// If we found the file, there's a problem |
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if( !diff ) Con_Reportf( S_WARN "package %s contains the file %s several times\n", pack->filename, name ); |
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// If we're too far in the list |
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if( diff > 0 ) right = middle - 1; |
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else left = middle + 1; |
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} |
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// We have to move the right of the list by one slot to free the one we need |
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pfile = &pack->files[left]; |
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memmove( pfile + 1, pfile, (pack->numfiles - left) * sizeof( *pfile )); |
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pack->numfiles++; |
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Q_strncpy( pfile->name, name, sizeof( pfile->name )); |
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pfile->filepos = offset; |
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pfile->filelen = size; |
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return pfile; |
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} |
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/* |
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============ |
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FS_CreatePath |
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Only used for FS_Open. |
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============ |
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*/ |
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void FS_CreatePath( char *path ) |
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{ |
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char *ofs, save; |
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for( ofs = path + 1; *ofs; ofs++ ) |
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{ |
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if( *ofs == '/' || *ofs == '\\' ) |
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{ |
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// create the directory |
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save = *ofs; |
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*ofs = 0; |
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_mkdir( path ); |
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*ofs = save; |
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} |
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} |
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} |
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/* |
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============ |
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FS_Path_f |
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debug info |
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============ |
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*/ |
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void FS_Path_f( void ) |
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{ |
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searchpath_t *s; |
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Con_Printf( "Current search path:\n" ); |
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for( s = fs_searchpaths; s; s = s->next ) |
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{ |
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if( s->pack ) Con_Printf( "%s (%i files)", s->pack->filename, s->pack->numfiles ); |
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else if( s->wad ) Con_Printf( "%s (%i files)", s->wad->filename, s->wad->numlumps ); |
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else if( s->zip ) Con_Printf( "%s (%i files)", s->zip->filename, s->zip->numfiles ); |
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else Con_Printf( "%s", s->filename ); |
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if( s->flags & FS_GAMERODIR_PATH ) Con_Printf( " ^2rodir^7" ); |
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if( s->flags & FS_GAMEDIR_PATH ) Con_Printf( " ^2gamedir^7" ); |
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if( s->flags & FS_CUSTOM_PATH ) Con_Printf( " ^2custom^7" ); |
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if( s->flags & FS_NOWRITE_PATH ) Con_Printf( " ^2nowrite^7" ); |
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if( s->flags & FS_STATIC_PATH ) Con_Printf( " ^2static^7" ); |
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Con_Printf( "\n" ); |
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} |
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} |
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/* |
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============ |
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FS_ClearPath_f |
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only for debug targets |
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============ |
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*/ |
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void FS_ClearPaths_f( void ) |
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{ |
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FS_ClearSearchPath(); |
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} |
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/* |
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================= |
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FS_LoadPackPAK |
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Takes an explicit (not game tree related) path to a pak file. |
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Loads the header and directory, adding the files at the beginning |
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of the list so they override previous pack files. |
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================= |
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*/ |
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pack_t *FS_LoadPackPAK( const char *packfile, int *error ) |
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{ |
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dpackheader_t header; |
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int packhandle; |
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int i, numpackfiles; |
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pack_t *pack; |
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dpackfile_t *info; |
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packhandle = open( packfile, O_RDONLY|O_BINARY ); |
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#ifndef _WIN32 |
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if( packhandle < 0 ) |
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{ |
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const char *fpackfile = FS_FixFileCase( packfile ); |
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if( fpackfile!= packfile ) |
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packhandle = open( fpackfile, O_RDONLY|O_BINARY ); |
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} |
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#endif |
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if( packhandle < 0 ) |
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{ |
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Con_Reportf( "%s couldn't open\n", packfile ); |
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if( error ) *error = PAK_LOAD_COULDNT_OPEN; |
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return NULL; |
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} |
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read( packhandle, (void *)&header, sizeof( header )); |
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if( header.ident != IDPACKV1HEADER ) |
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{ |
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Con_Reportf( "%s is not a packfile. Ignored.\n", packfile ); |
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if( error ) *error = PAK_LOAD_BAD_HEADER; |
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close( packhandle ); |
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return NULL; |
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} |
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if( header.dirlen % sizeof( dpackfile_t )) |
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{ |
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Con_Reportf( S_ERROR "%s has an invalid directory size. Ignored.\n", packfile ); |
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if( error ) *error = PAK_LOAD_BAD_FOLDERS; |
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close( packhandle ); |
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return NULL; |
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} |
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numpackfiles = header.dirlen / sizeof( dpackfile_t ); |
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if( numpackfiles > MAX_FILES_IN_PACK ) |
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{ |
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Con_Reportf( S_ERROR "%s has too many files ( %i ). Ignored.\n", packfile, numpackfiles ); |
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if( error ) *error = PAK_LOAD_TOO_MANY_FILES; |
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close( packhandle ); |
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return NULL; |
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} |
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if( numpackfiles <= 0 ) |
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{ |
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Con_Reportf( "%s has no files. Ignored.\n", packfile ); |
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if( error ) *error = PAK_LOAD_NO_FILES; |
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close( packhandle ); |
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return NULL; |
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} |
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info = (dpackfile_t *)Mem_Malloc( fs_mempool, sizeof( *info ) * numpackfiles ); |
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lseek( packhandle, header.dirofs, SEEK_SET ); |
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if( header.dirlen != read( packhandle, (void *)info, header.dirlen )) |
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{ |
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Con_Reportf( "%s is an incomplete PAK, not loading\n", packfile ); |
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if( error ) *error = PAK_LOAD_CORRUPTED; |
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close( packhandle ); |
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Mem_Free( info ); |
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return NULL; |
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} |
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pack = (pack_t *)Mem_Calloc( fs_mempool, sizeof( pack_t )); |
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Q_strncpy( pack->filename, packfile, sizeof( pack->filename )); |
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pack->files = (dpackfile_t *)Mem_Calloc( fs_mempool, numpackfiles * sizeof( dpackfile_t )); |
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pack->filetime = FS_SysFileTime( packfile ); |
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pack->handle = packhandle; |
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pack->numfiles = 0; |
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// parse the directory |
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for( i = 0; i < numpackfiles; i++ ) |
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FS_AddFileToPack( info[i].name, pack, info[i].filepos, info[i].filelen ); |
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if( error ) *error = PAK_LOAD_OK; |
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Mem_Free( info ); |
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return pack; |
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} |
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static zipfile_t *FS_AddFileToZip( const char *name, zip_t *zip, fs_offset_t offset, fs_offset_t size, fs_offset_t compressed_size) |
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{ |
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zipfile_t *zipfile = NULL; |
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zipfile = &zip->files[zip->numfiles]; |
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Q_strncpy( zipfile->name, name, MAX_SYSPATH ); |
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zipfile->size = size; |
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zipfile->offset = offset; |
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zipfile->compressed_size = compressed_size; |
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zip->numfiles++; |
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return zipfile; |
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} |
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static zip_t *FS_LoadZip( const char *zipfile, int *error ) |
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{ |
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int numpackfiles = 0; |
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zip_cdf_header_t header_cdf; |
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zip_header_eocd_t header_eocd; |
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uint signature; |
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fs_offset_t filepos = 0; |
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zipfile_t *info = NULL; |
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char filename_buffer[MAX_SYSPATH]; |
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zip_t *zip = (zip_t *)Mem_Calloc( fs_mempool, sizeof( zip_t ) ); |
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zip->handle = FS_Open( zipfile, "rb", true ); |
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#ifndef _WIN32 |
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if( !zip->handle ) |
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{ |
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const char *fzipfile = FS_FixFileCase( zipfile ); |
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if( fzipfile != zipfile ) |
|
zip->handle = FS_Open( fzipfile, "rb", true ); |
|
} |
|
#endif |
|
|
|
if( !zip->handle ) |
|
{ |
|
Con_Reportf( S_ERROR "%s couldn't open\n", zipfile ); |
|
|
|
if( error ) |
|
*error = ZIP_LOAD_COULDNT_OPEN; |
|
|
|
Zip_Close( zip ); |
|
return NULL; |
|
} |
|
|
|
if( FS_FileLength( zip->handle ) > UINT_MAX ) |
|
{ |
|
Con_Reportf( S_ERROR "%s bigger than 4GB.\n", zipfile ); |
|
|
|
if( error ) |
|
*error = ZIP_LOAD_COULDNT_OPEN; |
|
|
|
Zip_Close( zip ); |
|
return NULL; |
|
} |
|
|
|
FS_Read( zip->handle, (void *)&signature, sizeof( uint ) ); |
|
|
|
if( signature == ZIP_HEADER_EOCD ) |
|
{ |
|
Con_Reportf( S_WARN "%s has no files. Ignored.\n", zipfile ); |
|
|
|
if( error ) |
|
*error = ZIP_LOAD_NO_FILES; |
|
|
|
Zip_Close( zip ); |
|
return NULL; |
|
} |
|
|
|
if( signature != ZIP_HEADER_LF ) |
|
{ |
|
Con_Reportf( S_ERROR "%s is not a zip file. Ignored.\n", zipfile ); |
|
|
|
if( error ) |
|
*error = ZIP_LOAD_BAD_HEADER; |
|
|
|
Zip_Close( zip ); |
|
return NULL; |
|
} |
|
|
|
// Find oecd |
|
FS_Seek( zip->handle, 0, SEEK_SET ); |
|
filepos = zip->handle->real_length; |
|
|
|
while ( filepos > 0 ) |
|
{ |
|
FS_Seek( zip->handle, filepos, SEEK_SET ); |
|
FS_Read( zip->handle, (void *)&signature, sizeof( signature ) ); |
|
|
|
if( signature == ZIP_HEADER_EOCD ) |
|
break; |
|
|
|
filepos -= sizeof( char ); // step back one byte |
|
} |
|
|
|
if( ZIP_HEADER_EOCD != signature ) |
|
{ |
|
Con_Reportf( S_ERROR "Cannot find EOCD in %s. Zip file corrupted.\n", zipfile ); |
|
|
|
if( error ) |
|
*error = ZIP_LOAD_BAD_HEADER; |
|
|
|
Zip_Close( zip ); |
|
return NULL; |
|
} |
|
|
|
FS_Read( zip->handle, (void *)&header_eocd, sizeof( zip_header_eocd_t ) ); |
|
|
|
// Move to CDF start |
|
|
|
FS_Seek( zip->handle, header_eocd.central_directory_offset, SEEK_SET ); |
|
|
|
// Calc count of files in archive |
|
|
|
info = (zipfile_t *)Mem_Calloc( fs_mempool, sizeof( zipfile_t ) * header_eocd.total_central_directory_record ); |
|
|
|
for ( int i = 0; i < header_eocd.total_central_directory_record; i++ ) |
|
{ |
|
FS_Read( zip->handle, (void *)&header_cdf, sizeof( header_cdf ) ); |
|
|
|
if( header_cdf.signature != ZIP_HEADER_CDF ) |
|
{ |
|
Con_Reportf( S_ERROR "CDF signature mismatch in %s. Zip file corrupted.\n", zipfile ); |
|
|
|
if( error ) |
|
*error = ZIP_LOAD_BAD_HEADER; |
|
|
|
Mem_Free( info ); |
|
Zip_Close( zip ); |
|
return NULL; |
|
} |
|
|
|
if( header_cdf.uncompressed_size && header_cdf.filename_len ) |
|
{ |
|
if(header_cdf.filename_len > MAX_SYSPATH) // ignore files with bigger than 1024 bytes |
|
{ |
|
Con_Reportf( S_WARN "File name bigger than buffer. Ignored.\n" ); |
|
continue; |
|
} |
|
|
|
memset( &filename_buffer, '\0', MAX_SYSPATH ); |
|
FS_Read( zip->handle, &filename_buffer, header_cdf.filename_len ); |
|
Q_strncpy( info[numpackfiles].name, filename_buffer, MAX_SYSPATH ); |
|
|
|
info[numpackfiles].size = header_cdf.uncompressed_size; |
|
info[numpackfiles].compressed_size = header_cdf.compressed_size; |
|
info[numpackfiles].offset = header_cdf.local_header_offset; |
|
numpackfiles++; |
|
} |
|
else |
|
FS_Seek( zip->handle, header_cdf.filename_len, SEEK_CUR ); |
|
|
|
if( header_cdf.extrafield_len ) |
|
FS_Seek( zip->handle, header_cdf.extrafield_len, SEEK_CUR ); |
|
|
|
if( header_cdf.file_commentary_len ) |
|
FS_Seek( zip->handle, header_cdf.file_commentary_len, SEEK_CUR ); |
|
} |
|
|
|
Q_strncpy( zip->filename, zipfile, sizeof( zip->filename ) ); |
|
zip->mempool = Mem_AllocPool( zipfile ); |
|
zip->filetime = FS_SysFileTime( zipfile ); |
|
zip->numfiles = 0; |
|
zip->files = (zipfile_t *)Mem_Calloc( fs_mempool, sizeof( zipfile_t ) * numpackfiles ); |
|
|
|
for( int i = 0; i < numpackfiles; i++ ) |
|
FS_AddFileToZip( info[i].name, zip, info[i].offset, info[i].size, info[i].compressed_size ); |
|
|
|
if( error ) |
|
*error = ZIP_LOAD_OK; |
|
|
|
Mem_Free( info ); |
|
|
|
return zip; |
|
} |
|
|
|
void Zip_Close( zip_t *zip ) |
|
{ |
|
if( !zip ) |
|
return; |
|
|
|
Mem_FreePool( &zip->mempool ); |
|
|
|
if( zip->handle != NULL ) |
|
FS_Close( zip->handle ); |
|
|
|
Mem_Free( zip ); |
|
} |
|
|
|
static byte *Zip_LoadFile( const char *path, fs_offset_t *sizeptr, qboolean gamedironly ) |
|
{ |
|
searchpath_t *search; |
|
int index; |
|
zip_header_t header; |
|
zipfile_t *file = NULL; |
|
byte *compressed_buffer = NULL, *decompressed_buffer = NULL; |
|
int zlib_result = 0; |
|
dword test_crc, final_crc; |
|
z_stream decompress_stream; |
|
|
|
if( sizeptr ) *sizeptr = 0; |
|
|
|
search = FS_FindFile( path, &index, gamedironly ); |
|
|
|
if( !search || !search->zip ) |
|
return NULL; |
|
|
|
file = &search->zip->files[index]; |
|
|
|
FS_Seek( search->zip->handle, file->offset, SEEK_SET ); |
|
FS_Read( search->zip->handle, (void*)&header, sizeof( header ) ); |
|
|
|
if( header.signature != ZIP_HEADER_LF ) |
|
{ |
|
Con_Reportf( S_ERROR "Zip_LoadFile: %s signature error\n", file->name ); |
|
return NULL; |
|
} |
|
|
|
if( header.compression_flags == ZIP_COMPRESSION_NO_COMPRESSION ) |
|
{ |
|
if( header.filename_len ) |
|
FS_Seek( search->zip->handle, header.filename_len, SEEK_CUR ); |
|
|
|
if( header.extrafield_len ) |
|
FS_Seek( search->zip->handle, header.extrafield_len, SEEK_CUR ); |
|
|
|
decompressed_buffer = Mem_Malloc( search->zip->mempool, file->size + 1 ); |
|
decompressed_buffer[file->size] = '\0'; |
|
|
|
FS_Read( search->zip->handle, decompressed_buffer, file->size ); |
|
|
|
CRC32_Init( &test_crc ); |
|
CRC32_ProcessBuffer( &test_crc, decompressed_buffer, file->size ); |
|
|
|
final_crc = CRC32_Final( test_crc ); |
|
|
|
if( final_crc != header.crc32 ) |
|
{ |
|
Con_Reportf( S_ERROR "Zip_LoadFile: %s file crc32 mismatch\n", file->name ); |
|
Mem_Free( decompressed_buffer ); |
|
return NULL; |
|
} |
|
|
|
if( sizeptr ) *sizeptr = file->size; |
|
|
|
return decompressed_buffer; |
|
} |
|
else if( header.compression_flags == ZIP_COMPRESSION_DEFLATED ) |
|
{ |
|
if( header.filename_len ) |
|
FS_Seek( search->zip->handle, header.filename_len, SEEK_CUR ); |
|
|
|
if( header.extrafield_len ) |
|
FS_Seek( search->zip->handle, header.extrafield_len, SEEK_CUR ); |
|
|
|
compressed_buffer = Mem_Malloc( search->zip->mempool, file->compressed_size + 1 ); |
|
decompressed_buffer = Mem_Malloc( search->zip->mempool, file->size + 1 ); |
|
decompressed_buffer[file->size] = '\0'; |
|
|
|
FS_Read( search->zip->handle, compressed_buffer, file->compressed_size ); |
|
|
|
memset( &decompress_stream, 0, sizeof( decompress_stream ) ); |
|
|
|
decompress_stream.total_in = decompress_stream.avail_in = file->compressed_size; |
|
decompress_stream.next_in = (Bytef *)compressed_buffer; |
|
decompress_stream.total_out = decompress_stream.avail_out = file->size; |
|
decompress_stream.next_out = (Bytef *)decompressed_buffer; |
|
|
|
decompress_stream.zalloc = Z_NULL; |
|
decompress_stream.zfree = Z_NULL; |
|
decompress_stream.opaque = Z_NULL; |
|
|
|
if( inflateInit2( &decompress_stream, -MAX_WBITS ) != Z_OK ) |
|
{ |
|
Con_Printf( S_ERROR "Zip_LoadFile: inflateInit2 failed\n" ); |
|
Mem_Free( compressed_buffer ); |
|
Mem_Free( decompressed_buffer ); |
|
return NULL; |
|
} |
|
|
|
zlib_result = inflate( &decompress_stream, Z_NO_FLUSH ); |
|
inflateEnd( &decompress_stream ); |
|
|
|
if( zlib_result == Z_OK || zlib_result == Z_STREAM_END ) |
|
{ |
|
Mem_Free( compressed_buffer ); // finaly free compressed buffer |
|
|
|
CRC32_Init( &test_crc ); |
|
CRC32_ProcessBuffer( &test_crc, decompressed_buffer, file->size ); |
|
|
|
final_crc = CRC32_Final( test_crc ); |
|
|
|
if( final_crc != header.crc32 ) |
|
{ |
|
Con_Reportf( S_ERROR "Zip_LoadFile: %s file crc32 mismatch\n", file->name ); |
|
Mem_Free( decompressed_buffer ); |
|
return NULL; |
|
} |
|
|
|
if( sizeptr ) *sizeptr = file->size; |
|
|
|
return decompressed_buffer; |
|
} |
|
else |
|
{ |
|
Con_Reportf( S_ERROR "Zip_LoadFile: %s : error while file decompressing. Zlib return code %d.\n", file->name, zlib_result ); |
|
Mem_Free( compressed_buffer ); |
|
Mem_Free( decompressed_buffer ); |
|
return NULL; |
|
} |
|
|
|
} |
|
else |
|
{ |
|
Con_Reportf( S_ERROR "Zip_LoadFile: %s : file compressed with unknown algorithm.\n", file->name ); |
|
return NULL; |
|
} |
|
|
|
return NULL; |
|
} |
|
|
|
/* |
|
==================== |
|
FS_AddWad_Fullpath |
|
==================== |
|
*/ |
|
static qboolean FS_AddWad_Fullpath( const char *wadfile, qboolean *already_loaded, int flags ) |
|
{ |
|
searchpath_t *search; |
|
wfile_t *wad = NULL; |
|
const char *ext = COM_FileExtension( wadfile ); |
|
int errorcode = WAD_LOAD_COULDNT_OPEN; |
|
|
|
for( search = fs_searchpaths; search; search = search->next ) |
|
{ |
|
if( search->wad && !Q_stricmp( search->wad->filename, wadfile )) |
|
{ |
|
if( already_loaded ) *already_loaded = true; |
|
return true; // already loaded |
|
} |
|
} |
|
|
|
if( already_loaded ) |
|
*already_loaded = false; |
|
|
|
if( !Q_stricmp( ext, "wad" )) |
|
wad = W_Open( wadfile, &errorcode ); |
|
|
|
if( wad ) |
|
{ |
|
search = (searchpath_t *)Mem_Calloc( fs_mempool, sizeof( searchpath_t )); |
|
search->wad = wad; |
|
search->next = fs_searchpaths; |
|
search->flags |= flags; |
|
fs_searchpaths = search; |
|
|
|
Con_Reportf( "Adding wadfile: %s (%i files)\n", wadfile, wad->numlumps ); |
|
return true; |
|
} |
|
else |
|
{ |
|
if( errorcode != WAD_LOAD_NO_FILES ) |
|
Con_Reportf( S_ERROR "FS_AddWad_Fullpath: unable to load wad \"%s\"\n", wadfile ); |
|
return false; |
|
} |
|
} |
|
|
|
/* |
|
================ |
|
FS_AddPak_Fullpath |
|
|
|
Adds the given pack to the search path. |
|
The pack type is autodetected by the file extension. |
|
|
|
Returns true if the file was successfully added to the |
|
search path or if it was already included. |
|
|
|
If keep_plain_dirs is set, the pack will be added AFTER the first sequence of |
|
plain directories. |
|
================ |
|
*/ |
|
static qboolean FS_AddPak_Fullpath( const char *pakfile, qboolean *already_loaded, int flags ) |
|
{ |
|
searchpath_t *search; |
|
pack_t *pak = NULL; |
|
const char *ext = COM_FileExtension( pakfile ); |
|
int i, errorcode = PAK_LOAD_COULDNT_OPEN; |
|
|
|
for( search = fs_searchpaths; search; search = search->next ) |
|
{ |
|
if( search->pack && !Q_stricmp( search->pack->filename, pakfile )) |
|
{ |
|
if( already_loaded ) *already_loaded = true; |
|
return true; // already loaded |
|
} |
|
} |
|
|
|
if( already_loaded ) |
|
*already_loaded = false; |
|
|
|
if( !Q_stricmp( ext, "pak" )) |
|
pak = FS_LoadPackPAK( pakfile, &errorcode ); |
|
|
|
if( pak ) |
|
{ |
|
string fullpath; |
|
|
|
search = (searchpath_t *)Mem_Calloc( fs_mempool, sizeof( searchpath_t )); |
|
search->pack = pak; |
|
search->next = fs_searchpaths; |
|
search->flags |= flags; |
|
fs_searchpaths = search; |
|
|
|
Con_Reportf( "Adding pakfile: %s (%i files)\n", pakfile, pak->numfiles ); |
|
|
|
// time to add in search list all the wads that contains in current pakfile (if do) |
|
for( i = 0; i < pak->numfiles; i++ ) |
|
{ |
|
if( !Q_stricmp( COM_FileExtension( pak->files[i].name ), "wad" )) |
|
{ |
|
Q_sprintf( fullpath, "%s/%s", pakfile, pak->files[i].name ); |
|
FS_AddWad_Fullpath( fullpath, NULL, flags ); |
|
} |
|
} |
|
|
|
return true; |
|
} |
|
else |
|
{ |
|
if( errorcode != PAK_LOAD_NO_FILES ) |
|
Con_Reportf( S_ERROR "FS_AddPak_Fullpath: unable to load pak \"%s\"\n", pakfile ); |
|
return false; |
|
} |
|
} |
|
|
|
qboolean FS_AddZip_Fullpath( const char *zipfile, qboolean *already_loaded, int flags ) |
|
{ |
|
searchpath_t *search; |
|
zip_t *zip = NULL; |
|
const char *ext = COM_FileExtension( zipfile ); |
|
int errorcode = ZIP_LOAD_COULDNT_OPEN; |
|
|
|
for( search = fs_searchpaths; search; search = search->next ) |
|
{ |
|
if( search->pack && !Q_stricmp( search->pack->filename, zipfile )) |
|
{ |
|
if( already_loaded ) *already_loaded = true; |
|
return true; // already loaded |
|
} |
|
} |
|
|
|
if( already_loaded ) *already_loaded = false; |
|
|
|
if( !Q_stricmp( ext, "zip" ) || !Q_stricmp( ext, "pk3" ) ) |
|
zip = FS_LoadZip( zipfile, &errorcode ); |
|
|
|
if( zip ) |
|
{ |
|
search = (searchpath_t *)Mem_Calloc( fs_mempool, sizeof( searchpath_t ) ); |
|
search->zip = zip; |
|
search->next = fs_searchpaths; |
|
search->flags |= flags; |
|
fs_searchpaths = search; |
|
|
|
Con_Reportf( "Adding zipfile: %s (%i files)\n", zipfile, zip->numfiles ); |
|
return true; |
|
} |
|
else |
|
{ |
|
if( errorcode != ZIP_LOAD_NO_FILES ) |
|
Con_Reportf( S_ERROR "FS_AddZip_Fullpath: unable to load zip \"%s\"\n", zipfile ); |
|
return false; |
|
} |
|
} |
|
|
|
/* |
|
================ |
|
FS_AddGameDirectory |
|
|
|
Sets fs_writedir, adds the directory to the head of the path, |
|
then loads and adds pak1.pak pak2.pak ... |
|
================ |
|
*/ |
|
void FS_AddGameDirectory( const char *dir, uint flags ) |
|
{ |
|
stringlist_t list; |
|
searchpath_t *search; |
|
string fullpath; |
|
int i; |
|
|
|
if( !FBitSet( flags, FS_NOWRITE_PATH )) |
|
Q_strncpy( fs_writedir, dir, sizeof( fs_writedir )); |
|
|
|
stringlistinit( &list ); |
|
listdirectory( &list, dir, false ); |
|
stringlistsort( &list ); |
|
|
|
// add any PAK package in the directory |
|
for( i = 0; i < list.numstrings; i++ ) |
|
{ |
|
if( !Q_stricmp( COM_FileExtension( list.strings[i] ), "pak" )) |
|
{ |
|
Q_sprintf( fullpath, "%s%s", dir, list.strings[i] ); |
|
FS_AddPak_Fullpath( fullpath, NULL, flags ); |
|
} |
|
} |
|
|
|
FS_AllowDirectPaths( true ); |
|
|
|
// add any WAD package in the directory |
|
for( i = 0; i < list.numstrings; i++ ) |
|
{ |
|
if( !Q_stricmp( COM_FileExtension( list.strings[i] ), "wad" )) |
|
{ |
|
Q_sprintf( fullpath, "%s%s", dir, list.strings[i] ); |
|
FS_AddWad_Fullpath( fullpath, NULL, flags ); |
|
} |
|
} |
|
|
|
// add any Zip package in the directory |
|
for( i = 0; i < list.numstrings; i++ ) |
|
{ |
|
if( !Q_stricmp( COM_FileExtension( list.strings[i] ), "zip" ) || !Q_stricmp( COM_FileExtension( list.strings[i] ), "pk3" )) |
|
{ |
|
Q_sprintf( fullpath, "%s%s", dir, list.strings[i] ); |
|
FS_AddZip_Fullpath( fullpath, NULL, flags ); |
|
} |
|
} |
|
|
|
stringlistfreecontents( &list ); |
|
FS_AllowDirectPaths( false ); |
|
|
|
// add the directory to the search path |
|
// (unpacked files have the priority over packed files) |
|
search = (searchpath_t *)Mem_Calloc( fs_mempool, sizeof( searchpath_t )); |
|
Q_strncpy( search->filename, dir, sizeof ( search->filename )); |
|
search->next = fs_searchpaths; |
|
search->flags = flags; |
|
fs_searchpaths = search; |
|
} |
|
|
|
/* |
|
================ |
|
FS_AddGameHierarchy |
|
================ |
|
*/ |
|
void FS_AddGameHierarchy( const char *dir, uint flags ) |
|
{ |
|
int i; |
|
qboolean isGameDir = flags & FS_GAMEDIR_PATH; |
|
|
|
GI->added = true; |
|
|
|
if( !COM_CheckString( dir )) |
|
return; |
|
|
|
// add the common game directory |
|
|
|
// recursive gamedirs |
|
// for example, czeror->czero->cstrike->valve |
|
for( i = 0; i < SI.numgames; i++ ) |
|
{ |
|
if( !Q_strnicmp( SI.games[i]->gamefolder, dir, 64 )) |
|
{ |
|
Con_Reportf( "FS_AddGameHierarchy: %d %s %s\n", i, SI.games[i]->gamefolder, SI.games[i]->basedir ); |
|
if( !SI.games[i]->added && Q_stricmp( SI.games[i]->gamefolder, SI.games[i]->basedir ) ) |
|
{ |
|
SI.games[i]->added = true; |
|
FS_AddGameHierarchy( SI.games[i]->basedir, flags & (~FS_GAMEDIR_PATH) ); |
|
} |
|
break; |
|
} |
|
} |
|
|
|
if( host.rodir[0] ) |
|
{ |
|
// append new flags to rodir, except FS_GAMEDIR_PATH and FS_CUSTOM_PATH |
|
uint newFlags = FS_NOWRITE_PATH | (flags & (~FS_GAMEDIR_PATH|FS_CUSTOM_PATH)); |
|
if( isGameDir ) |
|
newFlags |= FS_GAMERODIR_PATH; |
|
|
|
FS_AllowDirectPaths( true ); |
|
FS_AddGameDirectory( va( "%s/%s/", host.rodir, dir ), newFlags ); |
|
FS_AllowDirectPaths( false ); |
|
} |
|
|
|
if( isGameDir ) |
|
FS_AddGameDirectory( va( "%s/downloaded/", dir ), FS_NOWRITE_PATH | FS_CUSTOM_PATH ); |
|
FS_AddGameDirectory( va( "%s/", dir ), flags ); |
|
if( isGameDir ) |
|
FS_AddGameDirectory( va( "%s/custom/", dir ), FS_NOWRITE_PATH | FS_CUSTOM_PATH ); |
|
} |
|
|
|
/* |
|
================ |
|
FS_ClearSearchPath |
|
================ |
|
*/ |
|
void FS_ClearSearchPath( void ) |
|
{ |
|
while( fs_searchpaths ) |
|
{ |
|
searchpath_t *search = fs_searchpaths; |
|
|
|
if( !search ) break; |
|
|
|
if( FBitSet( search->flags, FS_STATIC_PATH )) |
|
{ |
|
// skip read-only pathes |
|
if( search->next ) |
|
fs_searchpaths = search->next->next; |
|
else break; |
|
} |
|
else fs_searchpaths = search->next; |
|
|
|
if( search->pack ) |
|
{ |
|
if( search->pack->files ) |
|
Mem_Free( search->pack->files ); |
|
Mem_Free( search->pack ); |
|
} |
|
|
|
if( search->wad ) |
|
{ |
|
W_Close( search->wad ); |
|
} |
|
|
|
if( search->zip ) |
|
{ |
|
Zip_Close(search->zip); |
|
} |
|
|
|
Mem_Free( search ); |
|
} |
|
} |
|
|
|
/* |
|
==================== |
|
FS_CheckNastyPath |
|
|
|
Return true if the path should be rejected due to one of the following: |
|
1: path elements that are non-portable |
|
2: path elements that would allow access to files outside the game directory, |
|
or are just not a good idea for a mod to be using. |
|
==================== |
|
*/ |
|
int FS_CheckNastyPath( const char *path, qboolean isgamedir ) |
|
{ |
|
// all: never allow an empty path, as for gamedir it would access the parent directory and a non-gamedir path it is just useless |
|
if( !COM_CheckString( path )) return 2; |
|
|
|
if( fs_ext_path ) return 0; // allow any path |
|
|
|
// Mac: don't allow Mac-only filenames - : is a directory separator |
|
// instead of /, but we rely on / working already, so there's no reason to |
|
// support a Mac-only path |
|
// Amiga and Windows: : tries to go to root of drive |
|
if( Q_strstr( path, ":" )) return 1; // non-portable attempt to go to root of drive |
|
|
|
// Amiga: // is parent directory |
|
if( Q_strstr( path, "//" )) return 1; // non-portable attempt to go to parent directory |
|
|
|
// all: don't allow going to parent directory (../ or /../) |
|
if( Q_strstr( path, ".." )) return 2; // attempt to go outside the game directory |
|
|
|
// Windows and UNIXes: don't allow absolute paths |
|
if( path[0] == '/' ) return 2; // attempt to go outside the game directory |
|
|
|
// all: forbid trailing slash on gamedir |
|
if( isgamedir && path[Q_strlen( path )-1] == '/' ) return 2; |
|
|
|
// all: forbid leading dot on any filename for any reason |
|
if( Q_strstr( path, "/." )) return 2; // attempt to go outside the game directory |
|
|
|
// after all these checks we're pretty sure it's a / separated filename |
|
// and won't do much if any harm |
|
return 0; |
|
} |
|
|
|
/* |
|
================ |
|
FS_Rescan |
|
================ |
|
*/ |
|
void FS_Rescan( void ) |
|
{ |
|
const char *str; |
|
const int extrasFlags = FS_NOWRITE_PATH | FS_CUSTOM_PATH; |
|
Con_Reportf( "FS_Rescan( %s )\n", GI->title ); |
|
|
|
FS_ClearSearchPath(); |
|
|
|
#if TARGET_OS_IPHONE |
|
{ |
|
FS_AddPak_Fullpath( va( "%sextras.pak", SDL_GetBasePath() ), NULL, extrasFlags ); |
|
FS_AddPak_Fullpath( va( "%sextras_%s.pak", SDL_GetBasePath(), GI->gamefolder ), NULL, extrasFlags ); |
|
} |
|
#elif defined(__SAILFISH__) |
|
{ |
|
FS_AddPak_Fullpath( va( SHAREPATH"/extras.pak" ), NULL, extrasFlags ); |
|
FS_AddPak_Fullpath( va( SHAREPATH"/%s/extras.pak", GI->gamefolder ), NULL, extrasFlags ); |
|
} |
|
#else |
|
if( ( str = getenv( "XASH3D_EXTRAS_PAK1" ) ) ) |
|
FS_AddPak_Fullpath( str, NULL, extrasFlags ); |
|
if( ( str = getenv( "XASH3D_EXTRAS_PAK2" ) ) ) |
|
FS_AddPak_Fullpath( str, NULL, extrasFlags ); |
|
#endif |
|
|
|
if( Q_stricmp( GI->basedir, GI->gamefolder )) |
|
FS_AddGameHierarchy( GI->basedir, 0 ); |
|
if( Q_stricmp( GI->basedir, GI->falldir ) && Q_stricmp( GI->gamefolder, GI->falldir )) |
|
FS_AddGameHierarchy( GI->falldir, 0 ); |
|
FS_AddGameHierarchy( GI->gamefolder, FS_GAMEDIR_PATH ); |
|
|
|
if( FS_FileExists( va( "%s.rc", SI.basedirName ), false )) |
|
Q_strncpy( SI.rcName, SI.basedirName, sizeof( SI.rcName )); // e.g. valve.rc |
|
else Q_strncpy( SI.rcName, SI.exeName, sizeof( SI.rcName )); // e.g. quake.rc |
|
} |
|
|
|
/* |
|
================ |
|
FS_Rescan_f |
|
================ |
|
*/ |
|
void FS_Rescan_f( void ) |
|
{ |
|
FS_Rescan(); |
|
} |
|
|
|
/* |
|
================ |
|
FS_WriteGameInfo |
|
|
|
assume GameInfo is valid |
|
================ |
|
*/ |
|
static void FS_WriteGameInfo( const char *filepath, gameinfo_t *GameInfo ) |
|
{ |
|
file_t *f = FS_Open( filepath, "w", false ); // we in binary-mode |
|
int i, write_ambients = false; |
|
|
|
if( !f ) Sys_Error( "FS_WriteGameInfo: can't write %s\n", filepath ); // may be disk-space is out? |
|
|
|
FS_Printf( f, "// generated by %s %s-%s (%s-%s)\n\n\n", XASH_ENGINE_NAME, XASH_VERSION, Q_buildcommit(), Q_buildos(), Q_buildarch() ); |
|
|
|
if( Q_strlen( GameInfo->basedir )) |
|
FS_Printf( f, "basedir\t\t\"%s\"\n", GameInfo->basedir ); |
|
|
|
// DEPRECATED: gamedir key isn't supported by FWGS fork |
|
// but write it anyway to keep compability with original Xash3D |
|
if( Q_strlen( GameInfo->gamefolder )) |
|
FS_Printf( f, "gamedir\t\t\"%s\"\n", GameInfo->gamefolder ); |
|
|
|
if( Q_strlen( GameInfo->falldir )) |
|
FS_Printf( f, "fallback_dir\t\"%s\"\n", GameInfo->falldir ); |
|
|
|
if( Q_strlen( GameInfo->title )) |
|
FS_Printf( f, "title\t\t\"%s\"\n", GameInfo->title ); |
|
|
|
if( Q_strlen( GameInfo->startmap )) |
|
FS_Printf( f, "startmap\t\t\"%s\"\n", GameInfo->startmap ); |
|
|
|
if( Q_strlen( GameInfo->trainmap )) |
|
FS_Printf( f, "trainmap\t\t\"%s\"\n", GameInfo->trainmap ); |
|
|
|
if( GameInfo->version != 0.0f ) |
|
FS_Printf( f, "version\t\t%g\n", GameInfo->version ); |
|
|
|
if( GameInfo->size != 0 ) |
|
FS_Printf( f, "size\t\t%i\n", GameInfo->size ); |
|
|
|
if( Q_strlen( GameInfo->game_url )) |
|
FS_Printf( f, "url_info\t\t\"%s\"\n", GameInfo->game_url ); |
|
|
|
if( Q_strlen( GameInfo->update_url )) |
|
FS_Printf( f, "url_update\t\t\"%s\"\n", GameInfo->update_url ); |
|
|
|
if( Q_strlen( GameInfo->type )) |
|
FS_Printf( f, "type\t\t\"%s\"\n", GameInfo->type ); |
|
|
|
if( Q_strlen( GameInfo->date )) |
|
FS_Printf( f, "date\t\t\"%s\"\n", GameInfo->date ); |
|
|
|
if( Q_strlen( GameInfo->dll_path )) |
|
FS_Printf( f, "dllpath\t\t\"%s\"\n", GameInfo->dll_path ); |
|
|
|
if( Q_strlen( GameInfo->game_dll )) |
|
FS_Printf( f, "gamedll\t\t\"%s\"\n", GameInfo->game_dll ); |
|
|
|
if( Q_strlen( GameInfo->game_dll_linux )) |
|
FS_Printf( f, "gamedll_linux\t\t\"%s\"\n", GameInfo->game_dll_linux ); |
|
|
|
if( Q_strlen( GameInfo->game_dll_osx )) |
|
FS_Printf( f, "gamedll_osx\t\t\"%s\"\n", GameInfo->game_dll_osx ); |
|
|
|
|
|
if( Q_strlen( GameInfo->iconpath )) |
|
FS_Printf( f, "icon\t\t\"%s\"\n", GameInfo->iconpath ); |
|
|
|
switch( GameInfo->gamemode ) |
|
{ |
|
case 1: FS_Print( f, "gamemode\t\t\"singleplayer_only\"\n" ); break; |
|
case 2: FS_Print( f, "gamemode\t\t\"multiplayer_only\"\n" ); break; |
|
} |
|
|
|
if( Q_strlen( GameInfo->sp_entity )) |
|
FS_Printf( f, "sp_entity\t\t\"%s\"\n", GameInfo->sp_entity ); |
|
if( Q_strlen( GameInfo->mp_entity )) |
|
FS_Printf( f, "mp_entity\t\t\"%s\"\n", GameInfo->mp_entity ); |
|
if( Q_strlen( GameInfo->mp_filter )) |
|
FS_Printf( f, "mp_filter\t\t\"%s\"\n", GameInfo->mp_filter ); |
|
|
|
if( GameInfo->secure ) |
|
FS_Printf( f, "secure\t\t\"%i\"\n", GameInfo->secure ); |
|
|
|
if( GameInfo->nomodels ) |
|
FS_Printf( f, "nomodels\t\t\"%i\"\n", GameInfo->nomodels ); |
|
|
|
if( GameInfo->max_edicts > 0 ) |
|
FS_Printf( f, "max_edicts\t%i\n", GameInfo->max_edicts ); |
|
if( GameInfo->max_tents > 0 ) |
|
FS_Printf( f, "max_tempents\t%i\n", GameInfo->max_tents ); |
|
if( GameInfo->max_beams > 0 ) |
|
FS_Printf( f, "max_beams\t\t%i\n", GameInfo->max_beams ); |
|
if( GameInfo->max_particles > 0 ) |
|
FS_Printf( f, "max_particles\t%i\n", GameInfo->max_particles ); |
|
|
|
for( i = 0; i < NUM_AMBIENTS; i++ ) |
|
{ |
|
if( *GameInfo->ambientsound[i] ) |
|
{ |
|
if( !write_ambients ) |
|
{ |
|
FS_Print( f, "\n" ); |
|
write_ambients = true; |
|
} |
|
FS_Printf( f, "ambient%i\t\t%s\n", i, GameInfo->ambientsound[i] ); |
|
} |
|
} |
|
|
|
FS_Print( f, "\n\n\n" ); |
|
FS_Close( f ); // all done |
|
} |
|
|
|
void FS_InitGameInfo( gameinfo_t *GameInfo, const char *gamedir ) |
|
{ |
|
memset( GameInfo, 0, sizeof( *GameInfo )); |
|
|
|
// filesystem info |
|
Q_strncpy( GameInfo->gamefolder, gamedir, sizeof( GameInfo->gamefolder )); |
|
Q_strncpy( GameInfo->basedir, "valve", sizeof( GameInfo->basedir )); |
|
GameInfo->falldir[0] = 0; |
|
Q_strncpy( GameInfo->startmap, "c0a0", sizeof( GameInfo->startmap )); |
|
Q_strncpy( GameInfo->trainmap, "t0a0", sizeof( GameInfo->trainmap )); |
|
Q_strncpy( GameInfo->title, "New Game", sizeof( GameInfo->title )); |
|
GameInfo->version = 1.0f; |
|
|
|
// .dll pathes |
|
Q_strncpy( GameInfo->dll_path, "cl_dlls", sizeof( GameInfo->dll_path )); |
|
Q_strncpy( GameInfo->game_dll, "dlls/hl.dll", sizeof( GameInfo->game_dll )); |
|
Q_strncpy( GameInfo->game_dll_linux, "dlls/hl.so", sizeof( GameInfo->game_dll_linux )); |
|
Q_strncpy( GameInfo->game_dll_osx, "dlls/hl.dylib", sizeof( GameInfo->game_dll_osx )); |
|
|
|
// .ico path |
|
Q_strncpy( GameInfo->iconpath, "game.ico", sizeof( GameInfo->iconpath )); |
|
|
|
Q_strncpy( GameInfo->sp_entity, "info_player_start", sizeof( GameInfo->sp_entity )); |
|
Q_strncpy( GameInfo->mp_entity, "info_player_deathmatch", sizeof( GameInfo->mp_entity )); |
|
|
|
GameInfo->max_edicts = 900; // default value if not specified |
|
GameInfo->max_tents = 500; |
|
GameInfo->max_beams = 128; |
|
GameInfo->max_particles = 4096; |
|
} |
|
|
|
void FS_ParseGenericGameInfo( gameinfo_t *GameInfo, const char *buf, const qboolean isGameInfo ) |
|
{ |
|
char *pfile = (char*) buf; |
|
qboolean found_linux = false, found_osx = false; |
|
string token; |
|
|
|
while(( pfile = COM_ParseFile( pfile, token )) != NULL ) |
|
{ |
|
// different names in liblist/gameinfo |
|
if( !Q_stricmp( token, isGameInfo ? "title" : "game" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, GameInfo->title ); |
|
} |
|
// valid for both |
|
else if( !Q_stricmp( token, "fallback_dir" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, GameInfo->falldir ); |
|
} |
|
// valid for both |
|
else if( !Q_stricmp( token, "startmap" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, GameInfo->startmap ); |
|
COM_StripExtension( GameInfo->startmap ); // HQ2:Amen has extension .bsp |
|
} |
|
// only trainmap is valid for gameinfo |
|
else if( !Q_stricmp( token, "trainmap" ) || |
|
(!isGameInfo && !Q_stricmp( token, "trainingmap" ))) |
|
{ |
|
pfile = COM_ParseFile( pfile, GameInfo->trainmap ); |
|
COM_StripExtension( GameInfo->trainmap ); // HQ2:Amen has extension .bsp |
|
} |
|
// valid for both |
|
else if( !Q_stricmp( token, "url_info" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, GameInfo->game_url ); |
|
} |
|
// different names |
|
else if( !Q_stricmp( token, isGameInfo ? "url_update" : "url_dl" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, GameInfo->update_url ); |
|
} |
|
// valid for both |
|
else if( !Q_stricmp( token, "gamedll" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, GameInfo->game_dll ); |
|
COM_FixSlashes( GameInfo->game_dll ); |
|
} |
|
// valid for both |
|
else if( !Q_stricmp( token, "gamedll_linux" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, GameInfo->game_dll_linux ); |
|
found_linux = true; |
|
} |
|
// valid for both |
|
else if( !Q_stricmp( token, "gamedll_osx" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, GameInfo->game_dll_osx ); |
|
found_osx = true; |
|
} |
|
// valid for both |
|
else if( !Q_stricmp( token, "icon" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, GameInfo->iconpath ); |
|
COM_FixSlashes( GameInfo->iconpath ); |
|
COM_DefaultExtension( GameInfo->iconpath, ".ico" ); |
|
} |
|
else if( !Q_stricmp( token, "type" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, token ); |
|
|
|
if( !isGameInfo && !Q_stricmp( token, "singleplayer_only" )) |
|
{ |
|
// TODO: Remove this ugly hack too. |
|
// This was made because Half-Life has multiplayer, |
|
// but for some reason it's marked as singleplayer_only. |
|
// Old WON version is fine. |
|
if( !Q_stricmp( GameInfo->gamefolder, "valve") ) |
|
GameInfo->gamemode = GAME_NORMAL; |
|
else |
|
GameInfo->gamemode = GAME_SINGLEPLAYER_ONLY; |
|
Q_strncpy( GameInfo->type, "Single", sizeof( GameInfo->type )); |
|
} |
|
else if( !isGameInfo && !Q_stricmp( token, "multiplayer_only" )) |
|
{ |
|
GameInfo->gamemode = GAME_MULTIPLAYER_ONLY; |
|
Q_strncpy( GameInfo->type, "Multiplayer", sizeof( GameInfo->type )); |
|
} |
|
else |
|
{ |
|
// pass type without changes |
|
if( !isGameInfo ) |
|
GameInfo->gamemode = GAME_NORMAL; |
|
Q_strncpy( GameInfo->type, token, sizeof( GameInfo->type )); |
|
} |
|
} |
|
// valid for both |
|
else if( !Q_stricmp( token, "version" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, token ); |
|
GameInfo->version = Q_atof( token ); |
|
} |
|
// valid for both |
|
else if( !Q_stricmp( token, "size" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, token ); |
|
GameInfo->size = Q_atoi( token ); |
|
} |
|
else if( !Q_stricmp( token, "edicts" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, token ); |
|
GameInfo->max_edicts = Q_atoi( token ); |
|
} |
|
else if( !Q_stricmp( token, "mpentity" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, GameInfo->mp_entity ); |
|
} |
|
else if( !Q_stricmp( token, isGameInfo ? "mp_filter" : "mpfilter" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, GameInfo->mp_filter ); |
|
} |
|
// valid for both |
|
else if( !Q_stricmp( token, "secure" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, token ); |
|
GameInfo->secure = Q_atoi( token ); |
|
} |
|
// valid for both |
|
else if( !Q_stricmp( token, "nomodels" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, token ); |
|
GameInfo->nomodels = Q_atoi( token ); |
|
} |
|
else if( !Q_stricmp( token, isGameInfo ? "max_edicts" : "edicts" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, token ); |
|
GameInfo->max_edicts = bound( 600, Q_atoi( token ), MAX_EDICTS ); |
|
} |
|
// only for gameinfo |
|
else if( isGameInfo ) |
|
{ |
|
if( !Q_stricmp( token, "basedir" )) |
|
{ |
|
string fs_path; |
|
pfile = COM_ParseFile( pfile, fs_path ); |
|
if( Q_stricmp( fs_path, GameInfo->basedir ) || Q_stricmp( fs_path, GameInfo->gamefolder )) |
|
Q_strncpy( GameInfo->basedir, fs_path, sizeof( GameInfo->basedir )); |
|
} |
|
else if( !Q_stricmp( token, "sp_entity" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, GameInfo->sp_entity ); |
|
} |
|
else if( isGameInfo && !Q_stricmp( token, "dllpath" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, GameInfo->dll_path ); |
|
} |
|
else if( isGameInfo && !Q_stricmp( token, "date" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, GameInfo->date ); |
|
} |
|
else if( !Q_stricmp( token, "max_tempents" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, token ); |
|
GameInfo->max_tents = bound( 300, Q_atoi( token ), 2048 ); |
|
} |
|
else if( !Q_stricmp( token, "max_beams" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, token ); |
|
GameInfo->max_beams = bound( 64, Q_atoi( token ), 512 ); |
|
} |
|
else if( !Q_stricmp( token, "max_particles" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, token ); |
|
GameInfo->max_particles = bound( 4096, Q_atoi( token ), 32768 ); |
|
} |
|
else if( !Q_stricmp( token, "gamemode" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, token ); |
|
// TODO: Remove this ugly hack too. |
|
// This was made because Half-Life has multiplayer, |
|
// but for some reason it's marked as singleplayer_only. |
|
// Old WON version is fine. |
|
if( !Q_stricmp( token, "singleplayer_only" ) && Q_stricmp( GameInfo->gamefolder, "valve") ) |
|
GameInfo->gamemode = GAME_SINGLEPLAYER_ONLY; |
|
else if( !Q_stricmp( token, "multiplayer_only" )) |
|
GameInfo->gamemode = GAME_MULTIPLAYER_ONLY; |
|
} |
|
else if( !Q_strnicmp( token, "ambient", 7 )) |
|
{ |
|
int ambientNum = Q_atoi( token + 7 ); |
|
|
|
if( ambientNum < 0 || ambientNum > ( NUM_AMBIENTS - 1 )) |
|
ambientNum = 0; |
|
pfile = COM_ParseFile( pfile, GameInfo->ambientsound[ambientNum] ); |
|
} |
|
else if( !Q_stricmp( token, "noskills" )) |
|
{ |
|
pfile = COM_ParseFile( pfile, token ); |
|
GameInfo->noskills = Q_atoi( token ); |
|
} |
|
} |
|
} |
|
|
|
if( !found_linux || !found_osx ) |
|
{ |
|
// just replace extension from dll to so/dylib |
|
char gamedll[64]; |
|
Q_strncpy( gamedll, GameInfo->game_dll, sizeof( gamedll )); |
|
COM_StripExtension( gamedll ); |
|
|
|
if( !found_linux ) |
|
Q_snprintf( GameInfo->game_dll_linux, sizeof( GameInfo->game_dll_linux ), "%s.so", gamedll ); |
|
|
|
if( !found_osx ) |
|
Q_snprintf( GameInfo->game_dll_osx, sizeof( GameInfo->game_dll_osx ), "%s.dylib", gamedll ); |
|
} |
|
|
|
// make sure what gamedir is really exist |
|
if( !FS_SysFolderExists( va( "%s"PATH_SPLITTER"%s", host.rootdir, GameInfo->falldir ))) |
|
GameInfo->falldir[0] = '\0'; |
|
} |
|
|
|
/* |
|
================ |
|
FS_CreateDefaultGameInfo |
|
================ |
|
*/ |
|
void FS_CreateDefaultGameInfo( const char *filename ) |
|
{ |
|
gameinfo_t defGI; |
|
|
|
FS_InitGameInfo( &defGI, fs_basedir ); |
|
|
|
// make simple gameinfo.txt |
|
FS_WriteGameInfo( filename, &defGI ); |
|
} |
|
|
|
/* |
|
================ |
|
FS_ParseLiblistGam |
|
================ |
|
*/ |
|
static qboolean FS_ParseLiblistGam( const char *filename, const char *gamedir, gameinfo_t *GameInfo ) |
|
{ |
|
char *afile; |
|
|
|
if( !GameInfo ) return false; |
|
afile = (char *)FS_LoadFile( filename, NULL, false ); |
|
if( !afile ) return false; |
|
|
|
FS_InitGameInfo( GameInfo, gamedir ); |
|
|
|
FS_ParseGenericGameInfo( GameInfo, afile, false ); |
|
|
|
Mem_Free( afile ); |
|
|
|
return true; |
|
} |
|
|
|
/* |
|
================ |
|
FS_ConvertGameInfo |
|
================ |
|
*/ |
|
static qboolean FS_ConvertGameInfo( const char *gamedir, const char *gameinfo_path, const char *liblist_path ) |
|
{ |
|
gameinfo_t GameInfo; |
|
|
|
memset( &GameInfo, 0, sizeof( GameInfo )); |
|
|
|
if( FS_ParseLiblistGam( liblist_path, gamedir, &GameInfo )) |
|
{ |
|
Con_DPrintf( "Convert %s to %s\n", liblist_path, gameinfo_path ); |
|
FS_WriteGameInfo( gameinfo_path, &GameInfo ); |
|
|
|
return true; |
|
} |
|
|
|
return false; |
|
} |
|
|
|
/* |
|
================ |
|
FS_ReadGameInfo |
|
================ |
|
*/ |
|
static qboolean FS_ReadGameInfo( const char *filepath, const char *gamedir, gameinfo_t *GameInfo ) |
|
{ |
|
char *afile; |
|
|
|
afile = (char *)FS_LoadFile( filepath, NULL, false ); |
|
if( !afile ) return false; |
|
|
|
FS_InitGameInfo( GameInfo, gamedir ); |
|
|
|
FS_ParseGenericGameInfo( GameInfo, afile, true ); |
|
|
|
Mem_Free( afile ); |
|
|
|
return true; |
|
} |
|
|
|
/* |
|
================ |
|
FS_CheckForGameDir |
|
================ |
|
*/ |
|
static qboolean FS_CheckForGameDir( const char *gamedir ) |
|
{ |
|
// if directory contain config.cfg it's 100% gamedir |
|
if( FS_FileExists( va( "%s/config.cfg", gamedir ), false )) |
|
return true; |
|
|
|
// if directory contain progs.dat it's 100% gamedir |
|
if( FS_FileExists( va( "%s/progs.dat", gamedir ), false )) |
|
return true; |
|
|
|
// quake mods probably always archived but can missed config.cfg before first running |
|
if( FS_FileExists( va( "%s/pak0.pak", gamedir ), false )) |
|
return true; |
|
|
|
// NOTE; adds here some additional checks if you wished |
|
|
|
return false; |
|
} |
|
|
|
/* |
|
================ |
|
FS_ParseGameInfo |
|
================ |
|
*/ |
|
static qboolean FS_ParseGameInfo( const char *gamedir, gameinfo_t *GameInfo ) |
|
{ |
|
string liblist_path, gameinfo_path; |
|
string default_gameinfo_path; |
|
gameinfo_t tmpGameInfo; |
|
qboolean haveUpdate = false; |
|
|
|
Q_snprintf( default_gameinfo_path, sizeof( default_gameinfo_path ), "%s/gameinfo.txt", fs_basedir ); |
|
Q_snprintf( gameinfo_path, sizeof( gameinfo_path ), "%s/gameinfo.txt", gamedir ); |
|
Q_snprintf( liblist_path, sizeof( liblist_path ), "%s/liblist.gam", gamedir ); |
|
|
|
// here goes some RoDir magic... |
|
if( host.rodir[0] ) |
|
{ |
|
string filepath_ro, liblist_ro; |
|
fs_offset_t roLibListTime, roGameInfoTime, rwGameInfoTime; |
|
|
|
Q_snprintf( filepath_ro, sizeof( filepath_ro ), "%s/%s/gameinfo.txt", host.rodir, gamedir ); |
|
Q_snprintf( liblist_ro, sizeof( liblist_ro ), "%s/%s/liblist.gam", host.rodir, gamedir ); |
|
|
|
roLibListTime = FS_SysFileTime( liblist_ro ); |
|
roGameInfoTime = FS_SysFileTime( filepath_ro ); |
|
rwGameInfoTime = FS_SysFileTime( gameinfo_path ); |
|
|
|
if( roLibListTime > rwGameInfoTime ) |
|
{ |
|
haveUpdate = FS_ConvertGameInfo( gamedir, gameinfo_path, liblist_ro ); |
|
} |
|
else if( roGameInfoTime > rwGameInfoTime ) |
|
{ |
|
char *afile_ro = (char *)FS_LoadDirectFile( filepath_ro, NULL ); |
|
|
|
if( afile_ro ) |
|
{ |
|
gameinfo_t gi; |
|
|
|
haveUpdate = true; |
|
|
|
FS_InitGameInfo( &gi, gamedir ); |
|
FS_ParseGenericGameInfo( &gi, afile_ro, true ); |
|
FS_WriteGameInfo( gameinfo_path, &gi ); |
|
Mem_Free( afile_ro ); |
|
} |
|
} |
|
} |
|
|
|
// if user change liblist.gam update the gameinfo.txt |
|
if( FS_FileTime( liblist_path, false ) > FS_FileTime( gameinfo_path, false )) |
|
FS_ConvertGameInfo( gamedir, gameinfo_path, liblist_path ); |
|
|
|
// force to create gameinfo for specified game if missing |
|
if(( FS_CheckForGameDir( gamedir ) || !Q_stricmp( fs_gamedir, gamedir )) && !FS_FileExists( gameinfo_path, false )) |
|
{ |
|
memset( &tmpGameInfo, 0, sizeof( tmpGameInfo )); |
|
|
|
if( FS_ReadGameInfo( default_gameinfo_path, gamedir, &tmpGameInfo )) |
|
{ |
|
// now we have copy of game info from basedir but needs to change gamedir |
|
Con_DPrintf( "Convert %s to %s\n", default_gameinfo_path, gameinfo_path ); |
|
Q_strncpy( tmpGameInfo.gamefolder, gamedir, sizeof( tmpGameInfo.gamefolder )); |
|
FS_WriteGameInfo( gameinfo_path, &tmpGameInfo ); |
|
} |
|
else FS_CreateDefaultGameInfo( gameinfo_path ); |
|
} |
|
|
|
if( !GameInfo || !FS_FileExists( gameinfo_path, false )) |
|
return false; // no dest |
|
|
|
if( FS_ReadGameInfo( gameinfo_path, gamedir, GameInfo )) |
|
return true; |
|
return false; |
|
} |
|
|
|
/* |
|
================ |
|
FS_LoadGameInfo |
|
|
|
can be passed null arg |
|
================ |
|
*/ |
|
void FS_LoadGameInfo( const char *rootfolder ) |
|
{ |
|
int i; |
|
|
|
// lock uplevel of gamedir for read\write |
|
fs_ext_path = false; |
|
|
|
if( rootfolder ) Q_strcpy( fs_gamedir, rootfolder ); |
|
Con_Reportf( "FS_LoadGameInfo( %s )\n", fs_gamedir ); |
|
|
|
// clear any old pathes |
|
FS_ClearSearchPath(); |
|
|
|
// validate gamedir |
|
for( i = 0; i < SI.numgames; i++ ) |
|
{ |
|
if( !Q_stricmp( SI.games[i]->gamefolder, fs_gamedir )) |
|
break; |
|
} |
|
|
|
if( i == SI.numgames ) |
|
Sys_Error( "Couldn't find game directory '%s'\n", fs_gamedir ); |
|
|
|
SI.GameInfo = SI.games[i]; |
|
|
|
if( !Sys_GetParmFromCmdLine( "-dll", SI.gamedll ) ) |
|
{ |
|
SI.gamedll[0] = 0; |
|
} |
|
|
|
if( !Sys_GetParmFromCmdLine( "-clientlib", SI.clientlib ) ) |
|
{ |
|
SI.clientlib[0] = 0; |
|
} |
|
|
|
FS_Rescan(); // create new filesystem |
|
|
|
Image_CheckPaletteQ1 (); |
|
Host_InitDecals (); // reload decals |
|
} |
|
|
|
/* |
|
================ |
|
FS_Init |
|
================ |
|
*/ |
|
void FS_Init( void ) |
|
{ |
|
stringlist_t dirs; |
|
qboolean hasBaseDir = false; |
|
qboolean hasGameDir = false; |
|
int i; |
|
|
|
FS_InitMemory(); |
|
|
|
Cmd_AddCommand( "fs_rescan", FS_Rescan_f, "rescan filesystem search pathes" ); |
|
Cmd_AddCommand( "fs_path", FS_Path_f, "show filesystem search pathes" ); |
|
Cmd_AddCommand( "fs_clearpaths", FS_ClearPaths_f, "clear filesystem search pathes" ); |
|
|
|
#ifndef _WIN32 |
|
if( Sys_CheckParm( "-casesensitive" ) ) |
|
fs_caseinsensitive = false; |
|
|
|
if( !fs_caseinsensitive ) |
|
{ |
|
if( host.rodir[0] && !Q_strcmp( host.rodir, host.rootdir ) ) |
|
{ |
|
Sys_Error( "RoDir and default rootdir can't point to same directory!" ); |
|
} |
|
} |
|
else |
|
#endif |
|
{ |
|
if( host.rodir[0] && !Q_stricmp( host.rodir, host.rootdir ) ) |
|
{ |
|
Sys_Error( "RoDir and default rootdir can't point to same directory!" ); |
|
} |
|
} |
|
|
|
// ignore commandlineoption "-game" for other stuff |
|
SI.numgames = 0; |
|
|
|
Q_strncpy( fs_basedir, SI.basedirName, sizeof( fs_basedir )); // default dir |
|
|
|
if( !Sys_GetParmFromCmdLine( "-game", fs_gamedir )) |
|
Q_strncpy( fs_gamedir, fs_basedir, sizeof( fs_gamedir )); // gamedir == basedir |
|
|
|
if( FS_CheckNastyPath( fs_basedir, true )) |
|
{ |
|
// this is completely fatal... |
|
Sys_Error( "invalid base directory \"%s\"\n", fs_basedir ); |
|
} |
|
|
|
if( FS_CheckNastyPath( fs_gamedir, true )) |
|
{ |
|
Con_Printf( S_ERROR "invalid game directory \"%s\"\n", fs_gamedir ); |
|
Q_strncpy( fs_gamedir, fs_basedir, sizeof( fs_gamedir )); // default dir |
|
} |
|
|
|
// add readonly directories first |
|
if( host.rodir[0] ) |
|
{ |
|
stringlistinit( &dirs ); |
|
listdirectory( &dirs, host.rodir, false ); |
|
stringlistsort( &dirs ); |
|
|
|
for( i = 0; i < dirs.numstrings; i++ ) |
|
{ |
|
if( !FS_SysFolderExists( dirs.strings[i] ) || ( !Q_stricmp( dirs.strings[i], ".." ) && !fs_ext_path )) |
|
continue; |
|
|
|
// magic here is that dirs.strings don't contain full path |
|
// so code below checks and creates folders in current directory(host.rootdir) |
|
if( !FS_SysFolderExists( dirs.strings[i] ) ) |
|
FS_CreatePath( dirs.strings[i] ); |
|
} |
|
|
|
stringlistfreecontents( &dirs ); |
|
} |
|
|
|
// validate directories |
|
stringlistinit( &dirs ); |
|
listdirectory( &dirs, "./", false ); |
|
stringlistsort( &dirs ); |
|
|
|
for( i = 0; i < dirs.numstrings; i++ ) |
|
{ |
|
if( !Q_stricmp( fs_basedir, dirs.strings[i] )) |
|
hasBaseDir = true; |
|
|
|
if( !Q_stricmp( fs_gamedir, dirs.strings[i] )) |
|
hasGameDir = true; |
|
} |
|
|
|
if( !hasGameDir ) |
|
{ |
|
Con_Printf( S_ERROR "game directory \"%s\" not exist\n", fs_gamedir ); |
|
if( hasBaseDir ) Q_strncpy( fs_gamedir, fs_basedir, sizeof( fs_gamedir )); |
|
} |
|
|
|
// build list of game directories here |
|
FS_AddGameDirectory( "./", 0 ); |
|
|
|
for( i = 0; i < dirs.numstrings; i++ ) |
|
{ |
|
if( !FS_SysFolderExists( dirs.strings[i] ) || ( !Q_stricmp( dirs.strings[i], ".." ) && !fs_ext_path )) |
|
continue; |
|
|
|
if( SI.games[SI.numgames] == NULL ) |
|
SI.games[SI.numgames] = (gameinfo_t *)Mem_Calloc( fs_mempool, sizeof( gameinfo_t )); |
|
|
|
if( FS_ParseGameInfo( dirs.strings[i], SI.games[SI.numgames] )) |
|
SI.numgames++; // added |
|
} |
|
|
|
stringlistfreecontents( &dirs ); |
|
Con_Reportf( "FS_Init: done\n" ); |
|
} |
|
|
|
void FS_AllowDirectPaths( qboolean enable ) |
|
{ |
|
fs_ext_path = enable; |
|
} |
|
|
|
/* |
|
================ |
|
FS_Shutdown |
|
================ |
|
*/ |
|
void FS_Shutdown( void ) |
|
{ |
|
int i; |
|
|
|
// release gamedirs |
|
for( i = 0; i < SI.numgames; i++ ) |
|
if( SI.games[i] ) Mem_Free( SI.games[i] ); |
|
|
|
memset( &SI, 0, sizeof( sysinfo_t )); |
|
|
|
FS_ClearSearchPath(); // release all wad files too |
|
Mem_FreePool( &fs_mempool ); |
|
} |
|
|
|
/* |
|
==================== |
|
FS_SysFileTime |
|
|
|
Internal function used to determine filetime |
|
==================== |
|
*/ |
|
static int FS_SysFileTime( const char *filename ) |
|
{ |
|
struct stat buf; |
|
|
|
if( stat( filename, &buf ) == -1 ) |
|
return -1; |
|
|
|
return buf.st_mtime; |
|
} |
|
|
|
/* |
|
==================== |
|
FS_SysOpen |
|
|
|
Internal function used to create a file_t and open the relevant non-packed file on disk |
|
==================== |
|
*/ |
|
static file_t *FS_SysOpen( const char *filepath, const char *mode ) |
|
{ |
|
file_t *file; |
|
int mod, opt; |
|
uint ind; |
|
|
|
// Parse the mode string |
|
switch( mode[0] ) |
|
{ |
|
case 'r': // read |
|
mod = O_RDONLY; |
|
opt = 0; |
|
break; |
|
case 'w': // write |
|
mod = O_WRONLY; |
|
opt = O_CREAT | O_TRUNC; |
|
break; |
|
case 'a': // append |
|
mod = O_WRONLY; |
|
opt = O_CREAT | O_APPEND; |
|
break; |
|
case 'e': // edit |
|
mod = O_WRONLY; |
|
opt = O_CREAT; |
|
break; |
|
default: |
|
return NULL; |
|
} |
|
|
|
for( ind = 1; mode[ind] != '\0'; ind++ ) |
|
{ |
|
switch( mode[ind] ) |
|
{ |
|
case '+': |
|
mod = O_RDWR; |
|
break; |
|
case 'b': |
|
opt |= O_BINARY; |
|
break; |
|
default: |
|
break; |
|
} |
|
} |
|
|
|
file = (file_t *)Mem_Calloc( fs_mempool, sizeof( *file )); |
|
file->filetime = FS_SysFileTime( filepath ); |
|
file->ungetc = EOF; |
|
|
|
file->handle = open( filepath, mod|opt, 0666 ); |
|
|
|
#ifndef _WIN32 |
|
if( file->handle < 0 ) |
|
{ |
|
const char *ffilepath = FS_FixFileCase( filepath ); |
|
if( ffilepath != filepath ) |
|
file->handle = open( ffilepath, mod|opt, 0666 ); |
|
} |
|
#endif |
|
|
|
if( file->handle < 0 ) |
|
{ |
|
Mem_Free( file ); |
|
return NULL; |
|
} |
|
|
|
file->real_length = lseek( file->handle, 0, SEEK_END ); |
|
|
|
// For files opened in append mode, we start at the end of the file |
|
if( mod & O_APPEND ) file->position = file->real_length; |
|
else lseek( file->handle, 0, SEEK_SET ); |
|
|
|
return file; |
|
} |
|
|
|
/* |
|
=========== |
|
FS_OpenPackedFile |
|
|
|
Open a packed file using its package file descriptor |
|
=========== |
|
*/ |
|
file_t *FS_OpenPackedFile( pack_t *pack, int pack_ind ) |
|
{ |
|
dpackfile_t *pfile; |
|
int dup_handle; |
|
file_t *file; |
|
|
|
pfile = &pack->files[pack_ind]; |
|
|
|
if( lseek( pack->handle, pfile->filepos, SEEK_SET ) == -1 ) |
|
return NULL; |
|
|
|
dup_handle = dup( pack->handle ); |
|
|
|
if( dup_handle < 0 ) |
|
return NULL; |
|
|
|
file = (file_t *)Mem_Calloc( fs_mempool, sizeof( *file )); |
|
file->handle = dup_handle; |
|
file->real_length = pfile->filelen; |
|
file->offset = pfile->filepos; |
|
file->position = 0; |
|
file->ungetc = EOF; |
|
|
|
return file; |
|
} |
|
|
|
/* |
|
================== |
|
FS_SysFileExists |
|
|
|
Look for a file in the filesystem only |
|
================== |
|
*/ |
|
qboolean FS_SysFileExists( const char *path, qboolean caseinsensitive ) |
|
{ |
|
#ifdef _WIN32 |
|
int desc; |
|
|
|
if(( desc = open( path, O_RDONLY|O_BINARY )) < 0 ) |
|
return false; |
|
|
|
close( desc ); |
|
return true; |
|
#else |
|
int ret; |
|
struct stat buf; |
|
|
|
ret = stat( path, &buf ); |
|
|
|
// speedup custom path search |
|
if( caseinsensitive && ( ret < 0 ) ) |
|
{ |
|
const char *fpath = FS_FixFileCase( path ); |
|
if( fpath != path ) |
|
ret = stat( fpath, &buf ); |
|
} |
|
|
|
if( ret < 0 ) |
|
return false; |
|
|
|
return S_ISREG( buf.st_mode ); |
|
#endif |
|
} |
|
|
|
/* |
|
================== |
|
FS_SysFolderExists |
|
|
|
Look for a existing folder |
|
================== |
|
*/ |
|
qboolean FS_SysFolderExists( const char *path ) |
|
{ |
|
#ifdef _WIN32 |
|
DWORD dwFlags = GetFileAttributes( path ); |
|
|
|
return ( dwFlags != -1 ) && ( dwFlags & FILE_ATTRIBUTE_DIRECTORY ); |
|
#else |
|
DIR *dir = opendir( path ); |
|
|
|
if( dir ) |
|
{ |
|
closedir( dir ); |
|
return true; |
|
} |
|
else if( (errno == ENOENT) || (errno == ENOTDIR) ) |
|
{ |
|
return false; |
|
} |
|
else |
|
{ |
|
Con_Reportf( S_ERROR "FS_SysFolderExists: problem while opening dir: %s\n", strerror( errno ) ); |
|
return false; |
|
} |
|
#endif |
|
} |
|
|
|
/* |
|
==================== |
|
FS_FindFile |
|
|
|
Look for a file in the packages and in the filesystem |
|
|
|
Return the searchpath where the file was found (or NULL) |
|
and the file index in the package if relevant |
|
==================== |
|
*/ |
|
static searchpath_t *FS_FindFile( const char *name, int *index, qboolean gamedironly ) |
|
{ |
|
searchpath_t *search; |
|
char *pEnvPath; |
|
|
|
// search through the path, one element at a time |
|
for( search = fs_searchpaths; search; search = search->next ) |
|
{ |
|
if( gamedironly & !FBitSet( search->flags, FS_GAMEDIRONLY_SEARCH_FLAGS )) |
|
continue; |
|
|
|
// is the element a pak file? |
|
if( search->pack ) |
|
{ |
|
int left, right, middle; |
|
pack_t *pak; |
|
|
|
pak = search->pack; |
|
|
|
// look for the file (binary search) |
|
left = 0; |
|
right = pak->numfiles - 1; |
|
while( left <= right ) |
|
{ |
|
int diff; |
|
|
|
middle = (left + right) / 2; |
|
diff = Q_stricmp( pak->files[middle].name, name ); |
|
|
|
// Found it |
|
if( !diff ) |
|
{ |
|
if( index ) *index = middle; |
|
return search; |
|
} |
|
|
|
// if we're too far in the list |
|
if( diff > 0 ) |
|
right = middle - 1; |
|
else left = middle + 1; |
|
} |
|
} |
|
else if( search->wad ) |
|
{ |
|
dlumpinfo_t *lump; |
|
signed char type = W_TypeFromExt( name ); |
|
qboolean anywadname = true; |
|
string wadname, wadfolder; |
|
string shortname; |
|
|
|
// quick reject by filetype |
|
if( type == TYP_NONE ) continue; |
|
COM_ExtractFilePath( name, wadname ); |
|
wadfolder[0] = '\0'; |
|
|
|
if( Q_strlen( wadname )) |
|
{ |
|
COM_FileBase( wadname, wadname ); |
|
Q_strncpy( wadfolder, wadname, sizeof( wadfolder )); |
|
COM_DefaultExtension( wadname, ".wad" ); |
|
anywadname = false; |
|
} |
|
|
|
// make wadname from wad fullpath |
|
COM_FileBase( search->wad->filename, shortname ); |
|
COM_DefaultExtension( shortname, ".wad" ); |
|
|
|
// quick reject by wadname |
|
if( !anywadname && Q_stricmp( wadname, shortname )) |
|
continue; |
|
|
|
// NOTE: we can't using long names for wad, |
|
// because we using original wad names[16]; |
|
COM_FileBase( name, shortname ); |
|
|
|
lump = W_FindLump( search->wad, shortname, type ); |
|
|
|
if( lump ) |
|
{ |
|
if( index ) |
|
*index = lump - search->wad->lumps; |
|
return search; |
|
} |
|
} |
|
else if( search->zip ) |
|
{ |
|
for( int i = 0; search->zip->numfiles > i; i++) |
|
{ |
|
if( !Q_stricmp( search->zip->files[i].name, name ) ) |
|
{ |
|
if( index ) |
|
*index = i; |
|
return search; |
|
} |
|
} |
|
} |
|
else |
|
{ |
|
char netpath[MAX_SYSPATH]; |
|
|
|
Q_sprintf( netpath, "%s%s", search->filename, name ); |
|
|
|
if( FS_SysFileExists( netpath, !( search->flags & FS_CUSTOM_PATH ) )) |
|
{ |
|
if( index != NULL ) *index = -1; |
|
return search; |
|
} |
|
} |
|
} |
|
|
|
if( fs_ext_path ) |
|
{ |
|
char netpath[MAX_SYSPATH]; |
|
|
|
// clear searchpath |
|
search = &fs_directpath; |
|
memset( search, 0, sizeof( searchpath_t )); |
|
|
|
// root folder has a more priority than netpath |
|
Q_strncpy( search->filename, host.rootdir, sizeof( search->filename )); |
|
Q_strcat( search->filename, PATH_SPLITTER ); |
|
Q_snprintf( netpath, MAX_SYSPATH, "%s%s", search->filename, name ); |
|
|
|
if( FS_SysFileExists( netpath, !( search->flags & FS_CUSTOM_PATH ) )) |
|
{ |
|
if( index != NULL ) |
|
*index = -1; |
|
return search; |
|
} |
|
|
|
#if 0 |
|
// search for environment path |
|
while( ( pEnvPath = getenv( "Path" ) ) ) |
|
{ |
|
char *end = Q_strchr( pEnvPath, ';' ); |
|
if( !end ) break; |
|
Q_strncpy( search->filename, pEnvPath, (end - pEnvPath) + 1 ); |
|
Q_strcat( search->filename, PATH_SPLITTER ); |
|
Q_snprintf( netpath, MAX_SYSPATH, "%s%s", search->filename, name ); |
|
|
|
if( FS_SysFileExists( netpath, !( search->flags & FS_CUSTOM_PATH ) )) |
|
{ |
|
if( index != NULL ) |
|
*index = -1; |
|
return search; |
|
} |
|
pEnvPath += (end - pEnvPath) + 1; // move pointer |
|
} |
|
#endif // 0 |
|
} |
|
|
|
if( index != NULL ) |
|
*index = -1; |
|
|
|
return NULL; |
|
} |
|
|
|
|
|
/* |
|
=========== |
|
FS_OpenReadFile |
|
|
|
Look for a file in the search paths and open it in read-only mode |
|
=========== |
|
*/ |
|
file_t *FS_OpenReadFile( const char *filename, const char *mode, qboolean gamedironly ) |
|
{ |
|
searchpath_t *search; |
|
int pack_ind; |
|
|
|
search = FS_FindFile( filename, &pack_ind, gamedironly ); |
|
|
|
// not found? |
|
if( search == NULL ) |
|
return NULL; |
|
|
|
if( search->pack ) |
|
return FS_OpenPackedFile( search->pack, pack_ind ); |
|
else if( search->wad ) |
|
return NULL; // let W_LoadFile get lump correctly |
|
else if( pack_ind < 0 ) |
|
{ |
|
char path [MAX_SYSPATH]; |
|
|
|
// found in the filesystem? |
|
Q_sprintf( path, "%s%s", search->filename, filename ); |
|
return FS_SysOpen( path, mode ); |
|
} |
|
|
|
return NULL; |
|
} |
|
|
|
/* |
|
============================================================================= |
|
|
|
MAIN PUBLIC FUNCTIONS |
|
|
|
============================================================================= |
|
*/ |
|
/* |
|
==================== |
|
FS_Open |
|
|
|
Open a file. The syntax is the same as fopen |
|
==================== |
|
*/ |
|
file_t *FS_Open( const char *filepath, const char *mode, qboolean gamedironly ) |
|
{ |
|
// some stupid mappers used leading '/' or '\' in path to models or sounds |
|
if( filepath[0] == '/' || filepath[0] == '\\' ) |
|
filepath++; |
|
|
|
if( filepath[0] == '/' || filepath[0] == '\\' ) |
|
filepath++; |
|
|
|
if( FS_CheckNastyPath( filepath, false )) |
|
return NULL; |
|
|
|
// if the file is opened in "write", "append", or "read/write" mode |
|
if( mode[0] == 'w' || mode[0] == 'a'|| mode[0] == 'e' || Q_strchr( mode, '+' )) |
|
{ |
|
char real_path[MAX_SYSPATH]; |
|
|
|
// open the file on disk directly |
|
Q_sprintf( real_path, "%s/%s", fs_writedir, filepath ); |
|
FS_CreatePath( real_path );// Create directories up to the file |
|
return FS_SysOpen( real_path, mode ); |
|
} |
|
|
|
// else, we look at the various search paths and open the file in read-only mode |
|
return FS_OpenReadFile( filepath, mode, gamedironly ); |
|
} |
|
|
|
/* |
|
==================== |
|
FS_Close |
|
|
|
Close a file |
|
==================== |
|
*/ |
|
int FS_Close( file_t *file ) |
|
{ |
|
if( !file ) return 0; |
|
|
|
if( close( file->handle )) |
|
return EOF; |
|
|
|
Mem_Free( file ); |
|
return 0; |
|
} |
|
|
|
/* |
|
==================== |
|
FS_Write |
|
|
|
Write "datasize" bytes into a file |
|
==================== |
|
*/ |
|
fs_offset_t FS_Write( file_t *file, const void *data, size_t datasize ) |
|
{ |
|
fs_offset_t result; |
|
|
|
if( !file ) return 0; |
|
|
|
// if necessary, seek to the exact file position we're supposed to be |
|
if( file->buff_ind != file->buff_len ) |
|
lseek( file->handle, file->buff_ind - file->buff_len, SEEK_CUR ); |
|
|
|
// purge cached data |
|
FS_Purge( file ); |
|
|
|
// write the buffer and update the position |
|
result = write( file->handle, data, (fs_offset_t)datasize ); |
|
file->position = lseek( file->handle, 0, SEEK_CUR ); |
|
|
|
if( file->real_length < file->position ) |
|
file->real_length = file->position; |
|
|
|
if( result < 0 ) |
|
return 0; |
|
return result; |
|
} |
|
|
|
/* |
|
==================== |
|
FS_Read |
|
|
|
Read up to "buffersize" bytes from a file |
|
==================== |
|
*/ |
|
fs_offset_t FS_Read( file_t *file, void *buffer, size_t buffersize ) |
|
{ |
|
fs_offset_t count, done; |
|
fs_offset_t nb; |
|
|
|
// nothing to copy |
|
if( buffersize == 0 ) return 1; |
|
|
|
// Get rid of the ungetc character |
|
if( file->ungetc != EOF ) |
|
{ |
|
((char*)buffer)[0] = file->ungetc; |
|
buffersize--; |
|
file->ungetc = EOF; |
|
done = 1; |
|
} |
|
else done = 0; |
|
|
|
// first, we copy as many bytes as we can from "buff" |
|
if( file->buff_ind < file->buff_len ) |
|
{ |
|
count = file->buff_len - file->buff_ind; |
|
|
|
done += ((fs_offset_t)buffersize > count ) ? count : (fs_offset_t)buffersize; |
|
memcpy( buffer, &file->buff[file->buff_ind], done ); |
|
file->buff_ind += done; |
|
|
|
buffersize -= done; |
|
if( buffersize == 0 ) |
|
return done; |
|
} |
|
|
|
// NOTE: at this point, the read buffer is always empty |
|
|
|
// we must take care to not read after the end of the file |
|
count = file->real_length - file->position; |
|
|
|
// if we have a lot of data to get, put them directly into "buffer" |
|
if( buffersize > sizeof( file->buff ) / 2 ) |
|
{ |
|
if( count > (fs_offset_t)buffersize ) |
|
count = (fs_offset_t)buffersize; |
|
lseek( file->handle, file->offset + file->position, SEEK_SET ); |
|
nb = read (file->handle, &((byte *)buffer)[done], count ); |
|
|
|
if( nb > 0 ) |
|
{ |
|
done += nb; |
|
file->position += nb; |
|
// purge cached data |
|
FS_Purge( file ); |
|
} |
|
} |
|
else |
|
{ |
|
if( count > (fs_offset_t)sizeof( file->buff )) |
|
count = (fs_offset_t)sizeof( file->buff ); |
|
lseek( file->handle, file->offset + file->position, SEEK_SET ); |
|
nb = read( file->handle, file->buff, count ); |
|
|
|
if( nb > 0 ) |
|
{ |
|
file->buff_len = nb; |
|
file->position += nb; |
|
|
|
// copy the requested data in "buffer" (as much as we can) |
|
count = (fs_offset_t)buffersize > file->buff_len ? file->buff_len : (fs_offset_t)buffersize; |
|
memcpy( &((byte *)buffer)[done], file->buff, count ); |
|
file->buff_ind = count; |
|
done += count; |
|
} |
|
} |
|
|
|
return done; |
|
} |
|
|
|
/* |
|
==================== |
|
FS_Print |
|
|
|
Print a string into a file |
|
==================== |
|
*/ |
|
int FS_Print( file_t *file, const char *msg ) |
|
{ |
|
return FS_Write( file, msg, Q_strlen( msg )); |
|
} |
|
|
|
/* |
|
==================== |
|
FS_Printf |
|
|
|
Print a string into a file |
|
==================== |
|
*/ |
|
int FS_Printf( file_t *file, const char *format, ... ) |
|
{ |
|
int result; |
|
va_list args; |
|
|
|
va_start( args, format ); |
|
result = FS_VPrintf( file, format, args ); |
|
va_end( args ); |
|
|
|
return result; |
|
} |
|
|
|
/* |
|
==================== |
|
FS_VPrintf |
|
|
|
Print a string into a file |
|
==================== |
|
*/ |
|
int FS_VPrintf( file_t *file, const char *format, va_list ap ) |
|
{ |
|
int len; |
|
fs_offset_t buff_size = MAX_SYSPATH; |
|
char *tempbuff; |
|
|
|
if( !file ) return 0; |
|
|
|
while( 1 ) |
|
{ |
|
tempbuff = (char *)Mem_Malloc( fs_mempool, buff_size ); |
|
len = Q_vsprintf( tempbuff, format, ap ); |
|
|
|
if( len >= 0 && len < buff_size ) |
|
break; |
|
|
|
Mem_Free( tempbuff ); |
|
buff_size *= 2; |
|
} |
|
|
|
len = write( file->handle, tempbuff, len ); |
|
Mem_Free( tempbuff ); |
|
|
|
return len; |
|
} |
|
|
|
/* |
|
==================== |
|
FS_Getc |
|
|
|
Get the next character of a file |
|
==================== |
|
*/ |
|
int FS_Getc( file_t *file ) |
|
{ |
|
char c; |
|
|
|
if( FS_Read( file, &c, 1 ) != 1 ) |
|
return EOF; |
|
|
|
return c; |
|
} |
|
|
|
/* |
|
==================== |
|
FS_UnGetc |
|
|
|
Put a character back into the read buffer (only supports one character!) |
|
==================== |
|
*/ |
|
int FS_UnGetc( file_t *file, byte c ) |
|
{ |
|
// If there's already a character waiting to be read |
|
if( file->ungetc != EOF ) |
|
return EOF; |
|
|
|
file->ungetc = c; |
|
return c; |
|
} |
|
|
|
/* |
|
==================== |
|
FS_Gets |
|
|
|
Same as fgets |
|
==================== |
|
*/ |
|
int FS_Gets( file_t *file, byte *string, size_t bufsize ) |
|
{ |
|
int c, end = 0; |
|
|
|
while( 1 ) |
|
{ |
|
c = FS_Getc( file ); |
|
|
|
if( c == '\r' || c == '\n' || c < 0 ) |
|
break; |
|
|
|
if( end < bufsize - 1 ) |
|
string[end++] = c; |
|
} |
|
string[end] = 0; |
|
|
|
// remove \n following \r |
|
if( c == '\r' ) |
|
{ |
|
c = FS_Getc( file ); |
|
|
|
if( c != '\n' ) |
|
FS_UnGetc( file, (byte)c ); |
|
} |
|
|
|
return c; |
|
} |
|
|
|
/* |
|
==================== |
|
FS_Seek |
|
|
|
Move the position index in a file |
|
==================== |
|
*/ |
|
int FS_Seek( file_t *file, fs_offset_t offset, int whence ) |
|
{ |
|
// compute the file offset |
|
switch( whence ) |
|
{ |
|
case SEEK_CUR: |
|
offset += file->position - file->buff_len + file->buff_ind; |
|
break; |
|
case SEEK_SET: |
|
break; |
|
case SEEK_END: |
|
offset += file->real_length; |
|
break; |
|
default: |
|
return -1; |
|
} |
|
|
|
if( offset < 0 || offset > file->real_length ) |
|
return -1; |
|
|
|
// if we have the data in our read buffer, we don't need to actually seek |
|
if( file->position - file->buff_len <= offset && offset <= file->position ) |
|
{ |
|
file->buff_ind = offset + file->buff_len - file->position; |
|
return 0; |
|
} |
|
|
|
// Purge cached data |
|
FS_Purge( file ); |
|
|
|
if( lseek( file->handle, file->offset + offset, SEEK_SET ) == -1 ) |
|
return -1; |
|
file->position = offset; |
|
|
|
return 0; |
|
} |
|
|
|
/* |
|
==================== |
|
FS_Tell |
|
|
|
Give the current position in a file |
|
==================== |
|
*/ |
|
fs_offset_t FS_Tell( file_t *file ) |
|
{ |
|
if( !file ) return 0; |
|
return file->position - file->buff_len + file->buff_ind; |
|
} |
|
|
|
/* |
|
==================== |
|
FS_Eof |
|
|
|
indicates at reached end of file |
|
==================== |
|
*/ |
|
qboolean FS_Eof( file_t *file ) |
|
{ |
|
if( !file ) return true; |
|
return (( file->position - file->buff_len + file->buff_ind ) == file->real_length ) ? true : false; |
|
} |
|
|
|
/* |
|
==================== |
|
FS_Purge |
|
|
|
Erases any buffered input or output data |
|
==================== |
|
*/ |
|
void FS_Purge( file_t *file ) |
|
{ |
|
file->buff_len = 0; |
|
file->buff_ind = 0; |
|
file->ungetc = EOF; |
|
} |
|
|
|
/* |
|
============ |
|
FS_LoadFile |
|
|
|
Filename are relative to the xash directory. |
|
Always appends a 0 byte. |
|
============ |
|
*/ |
|
byte *FS_LoadFile( const char *path, fs_offset_t *filesizeptr, qboolean gamedironly ) |
|
{ |
|
file_t *file; |
|
byte *buf = NULL; |
|
fs_offset_t filesize = 0; |
|
|
|
file = FS_Open( path, "rb", gamedironly ); |
|
|
|
if( file ) |
|
{ |
|
filesize = file->real_length; |
|
buf = (byte *)Mem_Malloc( fs_mempool, filesize + 1 ); |
|
buf[filesize] = '\0'; |
|
FS_Read( file, buf, filesize ); |
|
FS_Close( file ); |
|
} |
|
else |
|
{ |
|
buf = W_LoadFile( path, &filesize, gamedironly ); |
|
|
|
if( !buf ) |
|
buf = Zip_LoadFile( path, &filesize, gamedironly ); |
|
|
|
} |
|
|
|
if( filesizeptr ) |
|
*filesizeptr = filesize; |
|
|
|
return buf; |
|
} |
|
|
|
qboolean CRC32_File( dword *crcvalue, const char *filename ) |
|
{ |
|
char buffer[1024]; |
|
int num_bytes; |
|
file_t *f; |
|
|
|
f = FS_Open( filename, "rb", false ); |
|
if( !f ) return false; |
|
|
|
Assert( crcvalue != NULL ); |
|
CRC32_Init( crcvalue ); |
|
|
|
while( 1 ) |
|
{ |
|
num_bytes = FS_Read( f, buffer, sizeof( buffer )); |
|
|
|
if( num_bytes > 0 ) |
|
CRC32_ProcessBuffer( crcvalue, buffer, num_bytes ); |
|
|
|
if( FS_Eof( f )) break; |
|
} |
|
|
|
FS_Close( f ); |
|
return true; |
|
} |
|
|
|
qboolean MD5_HashFile( byte digest[16], const char *pszFileName, uint seed[4] ) |
|
{ |
|
file_t *file; |
|
byte buffer[1024]; |
|
MD5Context_t MD5_Hash; |
|
int bytes; |
|
|
|
if(( file = FS_Open( pszFileName, "rb", false )) == NULL ) |
|
return false; |
|
|
|
memset( &MD5_Hash, 0, sizeof( MD5Context_t )); |
|
|
|
MD5Init( &MD5_Hash ); |
|
|
|
if( seed ) |
|
{ |
|
MD5Update( &MD5_Hash, (const byte *)seed, 16 ); |
|
} |
|
|
|
while( 1 ) |
|
{ |
|
bytes = FS_Read( file, buffer, sizeof( buffer )); |
|
|
|
if( bytes > 0 ) |
|
MD5Update( &MD5_Hash, buffer, bytes ); |
|
|
|
if( FS_Eof( file )) |
|
break; |
|
} |
|
|
|
FS_Close( file ); |
|
MD5Final( digest, &MD5_Hash ); |
|
|
|
return true; |
|
} |
|
|
|
/* |
|
============ |
|
FS_LoadFile |
|
|
|
Filename are relative to the xash directory. |
|
Always appends a 0 byte. |
|
============ |
|
*/ |
|
byte *FS_LoadDirectFile( const char *path, fs_offset_t *filesizeptr ) |
|
{ |
|
file_t *file; |
|
byte *buf = NULL; |
|
fs_offset_t filesize = 0; |
|
|
|
file = FS_SysOpen( path, "rb" ); |
|
|
|
if( !file ) |
|
{ |
|
return NULL; |
|
} |
|
|
|
// Try to load |
|
filesize = file->real_length; |
|
buf = (byte *)Mem_Malloc( fs_mempool, filesize + 1 ); |
|
buf[filesize] = '\0'; |
|
FS_Read( file, buf, filesize ); |
|
FS_Close( file ); |
|
|
|
if( filesizeptr ) |
|
*filesizeptr = filesize; |
|
|
|
return buf; |
|
} |
|
|
|
|
|
/* |
|
============ |
|
FS_WriteFile |
|
|
|
The filename will be prefixed by the current game directory |
|
============ |
|
*/ |
|
qboolean FS_WriteFile( const char *filename, const void *data, fs_offset_t len ) |
|
{ |
|
file_t *file; |
|
|
|
file = FS_Open( filename, "wb", false ); |
|
|
|
if( !file ) |
|
{ |
|
Con_Reportf( S_ERROR "FS_WriteFile: failed on %s\n", filename); |
|
return false; |
|
} |
|
|
|
FS_Write( file, data, len ); |
|
FS_Close( file ); |
|
|
|
return true; |
|
} |
|
|
|
/* |
|
============================================================================= |
|
|
|
OTHERS PUBLIC FUNCTIONS |
|
|
|
============================================================================= |
|
*/ |
|
/* |
|
================== |
|
FS_FileExists |
|
|
|
Look for a file in the packages and in the filesystem |
|
================== |
|
*/ |
|
int FS_FileExists( const char *filename, int gamedironly ) |
|
{ |
|
if( FS_FindFile( filename, NULL, gamedironly )) |
|
return true; |
|
return false; |
|
} |
|
|
|
/* |
|
================== |
|
FS_GetDiskPath |
|
|
|
Build direct path for file in the filesystem |
|
return NULL for file in pack |
|
================== |
|
*/ |
|
const char *FS_GetDiskPath( const char *name, qboolean gamedironly ) |
|
{ |
|
int index; |
|
searchpath_t *search; |
|
|
|
search = FS_FindFile( name, &index, gamedironly ); |
|
|
|
if( search ) |
|
{ |
|
if( index != -1 ) // file in pack or wad |
|
return NULL; |
|
return va( "%s%s", search->filename, name ); |
|
} |
|
|
|
return NULL; |
|
} |
|
|
|
/* |
|
================== |
|
FS_CheckForCrypt |
|
|
|
return true if library is crypted |
|
================== |
|
*/ |
|
qboolean FS_CheckForCrypt( const char *dllname ) |
|
{ |
|
file_t *f; |
|
int key; |
|
|
|
f = FS_Open( dllname, "rb", false ); |
|
if( !f ) return false; |
|
|
|
FS_Seek( f, 64, SEEK_SET ); // skip first 64 bytes |
|
FS_Read( f, &key, sizeof( key )); |
|
FS_Close( f ); |
|
|
|
return ( key == 0x12345678 ) ? true : false; |
|
} |
|
|
|
/* |
|
================== |
|
FS_FindLibrary |
|
|
|
search for library, assume index is valid |
|
only for internal use |
|
================== |
|
*/ |
|
dll_user_t *FS_FindLibrary( const char *dllname, qboolean directpath ) |
|
{ |
|
string dllpath; |
|
searchpath_t *search; |
|
dll_user_t *hInst; |
|
int i, index; |
|
int start = 0; |
|
|
|
// check for bad exports |
|
if( !COM_CheckString( dllname )) |
|
return NULL; |
|
|
|
fs_ext_path = directpath; |
|
|
|
// HACKHACK remove absoulte path to valve folder |
|
if( !Q_strnicmp( dllname, "..\\valve\\", 9 ) || !Q_strnicmp( dllname, "../valve/", 9 )) |
|
start += 9; |
|
|
|
// replace all backward slashes |
|
for( i = 0; i < Q_strlen( dllname ); i++ ) |
|
{ |
|
if( dllname[i+start] == '\\' ) dllpath[i] = '/'; |
|
else dllpath[i] = Q_tolower( dllname[i+start] ); |
|
} |
|
dllpath[i] = '\0'; |
|
|
|
COM_DefaultExtension( dllpath, "."OS_LIB_EXT ); // apply ext if forget |
|
search = FS_FindFile( dllpath, &index, false ); |
|
|
|
if( !search && !directpath ) |
|
{ |
|
fs_ext_path = false; |
|
|
|
// trying check also 'bin' folder for indirect paths |
|
Q_strncpy( dllpath, dllname, sizeof( dllpath )); |
|
search = FS_FindFile( dllpath, &index, false ); |
|
if( !search ) return NULL; // unable to find |
|
} |
|
|
|
// NOTE: for libraries we not fail even if search is NULL |
|
// let the OS find library himself |
|
hInst = Mem_Calloc( host.mempool, sizeof( dll_user_t )); |
|
|
|
// save dllname for debug purposes |
|
Q_strncpy( hInst->dllName, dllname, sizeof( hInst->dllName )); |
|
|
|
// shortPath is used for LibraryLoadSymbols only |
|
Q_strncpy( hInst->shortPath, dllpath, sizeof( hInst->shortPath )); |
|
|
|
hInst->encrypted = FS_CheckForCrypt( dllpath ); |
|
|
|
if( index < 0 && !hInst->encrypted && search ) |
|
{ |
|
Q_snprintf( hInst->fullPath, sizeof( hInst->fullPath ), "%s%s", search->filename, dllpath ); |
|
hInst->custom_loader = false; // we can loading from disk and use normal debugging |
|
} |
|
else |
|
{ |
|
// NOTE: if search is NULL let the OS found library himself |
|
Q_strncpy( hInst->fullPath, dllpath, sizeof( hInst->fullPath )); |
|
hInst->custom_loader = (search) ? true : false; |
|
} |
|
fs_ext_path = false; // always reset direct paths |
|
|
|
return hInst; |
|
} |
|
|
|
/* |
|
================== |
|
FS_FileSize |
|
|
|
return size of file in bytes |
|
================== |
|
*/ |
|
fs_offset_t FS_FileSize( const char *filename, qboolean gamedironly ) |
|
{ |
|
int length = -1; // in case file was missed |
|
file_t *fp; |
|
|
|
fp = FS_Open( filename, "rb", gamedironly ); |
|
|
|
if( fp ) |
|
{ |
|
// it exists |
|
FS_Seek( fp, 0, SEEK_END ); |
|
length = FS_Tell( fp ); |
|
FS_Close( fp ); |
|
} |
|
|
|
return length; |
|
} |
|
|
|
/* |
|
================== |
|
FS_FileLength |
|
|
|
return size of file in bytes |
|
================== |
|
*/ |
|
fs_offset_t FS_FileLength( file_t *f ) |
|
{ |
|
if( !f ) return 0; |
|
return f->real_length; |
|
} |
|
|
|
/* |
|
================== |
|
FS_FileTime |
|
|
|
return time of creation file in seconds |
|
================== |
|
*/ |
|
int FS_FileTime( const char *filename, qboolean gamedironly ) |
|
{ |
|
searchpath_t *search; |
|
int pack_ind; |
|
|
|
search = FS_FindFile( filename, &pack_ind, gamedironly ); |
|
if( !search ) return -1; // doesn't exist |
|
|
|
if( search->pack ) // grab pack filetime |
|
return search->pack->filetime; |
|
else if( search->wad ) // grab wad filetime |
|
return search->wad->filetime; |
|
else if( search->zip ) |
|
return search->zip->filetime; |
|
else if( pack_ind < 0 ) |
|
{ |
|
// found in the filesystem? |
|
char path [MAX_SYSPATH]; |
|
|
|
Q_sprintf( path, "%s%s", search->filename, filename ); |
|
return FS_SysFileTime( path ); |
|
} |
|
|
|
return -1; // doesn't exist |
|
} |
|
|
|
/* |
|
================== |
|
FS_Rename |
|
|
|
rename specified file from gamefolder |
|
================== |
|
*/ |
|
qboolean FS_Rename( const char *oldname, const char *newname ) |
|
{ |
|
char oldpath[MAX_SYSPATH], newpath[MAX_SYSPATH]; |
|
qboolean iRet; |
|
|
|
if( !oldname || !newname || !*oldname || !*newname ) |
|
return false; |
|
|
|
Q_snprintf( oldpath, sizeof( oldpath ), "%s%s", fs_writedir, oldname ); |
|
Q_snprintf( newpath, sizeof( newpath ), "%s%s", fs_writedir, newname ); |
|
|
|
COM_FixSlashes( oldpath ); |
|
COM_FixSlashes( newpath ); |
|
|
|
iRet = rename( oldpath, newpath ); |
|
|
|
return (iRet == 0); |
|
} |
|
|
|
/* |
|
================== |
|
FS_Delete |
|
|
|
delete specified file from gamefolder |
|
================== |
|
*/ |
|
qboolean FS_Delete( const char *path ) |
|
{ |
|
char real_path[MAX_SYSPATH]; |
|
qboolean iRet; |
|
|
|
if( !path || !*path ) |
|
return false; |
|
|
|
Q_snprintf( real_path, sizeof( real_path ), "%s%s", fs_writedir, path ); |
|
COM_FixSlashes( real_path ); |
|
iRet = remove( real_path ); |
|
|
|
return (iRet == 0); |
|
} |
|
|
|
/* |
|
================== |
|
FS_FileCopy |
|
|
|
================== |
|
*/ |
|
qboolean FS_FileCopy( file_t *pOutput, file_t *pInput, int fileSize ) |
|
{ |
|
char *buf = Mem_Malloc( fs_mempool, FILE_COPY_SIZE ); |
|
int size, readSize; |
|
qboolean done = true; |
|
|
|
while( fileSize > 0 ) |
|
{ |
|
if( fileSize > FILE_COPY_SIZE ) |
|
size = FILE_COPY_SIZE; |
|
else size = fileSize; |
|
|
|
if(( readSize = FS_Read( pInput, buf, size )) < size ) |
|
{ |
|
Con_Reportf( S_ERROR "FS_FileCopy: unexpected end of input file (%d < %d)\n", readSize, size ); |
|
fileSize = 0; |
|
done = false; |
|
break; |
|
} |
|
|
|
FS_Write( pOutput, buf, readSize ); |
|
fileSize -= size; |
|
} |
|
|
|
Mem_Free( buf ); |
|
return done; |
|
} |
|
|
|
/* |
|
=========== |
|
FS_Search |
|
|
|
Allocate and fill a search structure with information on matching filenames. |
|
=========== |
|
*/ |
|
search_t *FS_Search( const char *pattern, int caseinsensitive, int gamedironly ) |
|
{ |
|
search_t *search = NULL; |
|
searchpath_t *searchpath; |
|
pack_t *pak; |
|
wfile_t *wad; |
|
int i, basepathlength, numfiles, numchars; |
|
int resultlistindex, dirlistindex; |
|
const char *slash, *backslash, *colon, *separator; |
|
string netpath, temp; |
|
stringlist_t resultlist; |
|
stringlist_t dirlist; |
|
char *basepath; |
|
|
|
if( pattern[0] == '.' || pattern[0] == ':' || pattern[0] == '/' || pattern[0] == '\\' ) |
|
return NULL; // punctuation issues |
|
|
|
stringlistinit( &resultlist ); |
|
stringlistinit( &dirlist ); |
|
slash = Q_strrchr( pattern, '/' ); |
|
backslash = Q_strrchr( pattern, '\\' ); |
|
colon = Q_strrchr( pattern, ':' ); |
|
separator = max( slash, backslash ); |
|
separator = max( separator, colon ); |
|
basepathlength = separator ? (separator + 1 - pattern) : 0; |
|
basepath = Mem_Calloc( fs_mempool, basepathlength + 1 ); |
|
if( basepathlength ) memcpy( basepath, pattern, basepathlength ); |
|
basepath[basepathlength] = 0; |
|
|
|
// search through the path, one element at a time |
|
for( searchpath = fs_searchpaths; searchpath; searchpath = searchpath->next ) |
|
{ |
|
if( gamedironly && !FBitSet( searchpath->flags, FS_GAMEDIRONLY_SEARCH_FLAGS )) |
|
continue; |
|
|
|
// is the element a pak file? |
|
if( searchpath->pack ) |
|
{ |
|
// look through all the pak file elements |
|
pak = searchpath->pack; |
|
for( i = 0; i < pak->numfiles; i++ ) |
|
{ |
|
Q_strncpy( temp, pak->files[i].name, sizeof( temp )); |
|
while( temp[0] ) |
|
{ |
|
if( matchpattern( temp, (char *)pattern, true )) |
|
{ |
|
for( resultlistindex = 0; resultlistindex < resultlist.numstrings; resultlistindex++ ) |
|
{ |
|
if( !Q_strcmp( resultlist.strings[resultlistindex], temp )) |
|
break; |
|
} |
|
|
|
if( resultlistindex == resultlist.numstrings ) |
|
stringlistappend( &resultlist, temp ); |
|
} |
|
|
|
// strip off one path element at a time until empty |
|
// this way directories are added to the listing if they match the pattern |
|
slash = Q_strrchr( temp, '/' ); |
|
backslash = Q_strrchr( temp, '\\' ); |
|
colon = Q_strrchr( temp, ':' ); |
|
separator = temp; |
|
if( separator < slash ) |
|
separator = slash; |
|
if( separator < backslash ) |
|
separator = backslash; |
|
if( separator < colon ) |
|
separator = colon; |
|
*((char *)separator) = 0; |
|
} |
|
} |
|
} |
|
else if( searchpath->wad ) |
|
{ |
|
string wadpattern, wadname, temp2; |
|
signed char type = W_TypeFromExt( pattern ); |
|
qboolean anywadname = true; |
|
string wadfolder; |
|
|
|
// quick reject by filetype |
|
if( type == TYP_NONE ) continue; |
|
COM_ExtractFilePath( pattern, wadname ); |
|
COM_FileBase( pattern, wadpattern ); |
|
wadfolder[0] = '\0'; |
|
|
|
if( Q_strlen( wadname )) |
|
{ |
|
COM_FileBase( wadname, wadname ); |
|
Q_strncpy( wadfolder, wadname, sizeof( wadfolder )); |
|
COM_DefaultExtension( wadname, ".wad" ); |
|
anywadname = false; |
|
} |
|
|
|
// make wadname from wad fullpath |
|
COM_FileBase( searchpath->wad->filename, temp2 ); |
|
COM_DefaultExtension( temp2, ".wad" ); |
|
|
|
// quick reject by wadname |
|
if( !anywadname && Q_stricmp( wadname, temp2 )) |
|
continue; |
|
|
|
// look through all the wad file elements |
|
wad = searchpath->wad; |
|
|
|
for( i = 0; i < wad->numlumps; i++ ) |
|
{ |
|
// if type not matching, we already have no chance ... |
|
if( type != TYP_ANY && wad->lumps[i].type != type ) |
|
continue; |
|
|
|
// build the lumpname with image suffix (if present) |
|
Q_strncpy( temp, wad->lumps[i].name, sizeof( temp )); |
|
|
|
while( temp[0] ) |
|
{ |
|
if( matchpattern( temp, wadpattern, true )) |
|
{ |
|
for( resultlistindex = 0; resultlistindex < resultlist.numstrings; resultlistindex++ ) |
|
{ |
|
if( !Q_strcmp( resultlist.strings[resultlistindex], temp )) |
|
break; |
|
} |
|
|
|
if( resultlistindex == resultlist.numstrings ) |
|
{ |
|
// build path: wadname/lumpname.ext |
|
Q_snprintf( temp2, sizeof(temp2), "%s/%s", wadfolder, temp ); |
|
COM_DefaultExtension( temp2, va(".%s", W_ExtFromType( wad->lumps[i].type ))); |
|
stringlistappend( &resultlist, temp2 ); |
|
} |
|
} |
|
|
|
// strip off one path element at a time until empty |
|
// this way directories are added to the listing if they match the pattern |
|
slash = Q_strrchr( temp, '/' ); |
|
backslash = Q_strrchr( temp, '\\' ); |
|
colon = Q_strrchr( temp, ':' ); |
|
separator = temp; |
|
if( separator < slash ) |
|
separator = slash; |
|
if( separator < backslash ) |
|
separator = backslash; |
|
if( separator < colon ) |
|
separator = colon; |
|
*((char *)separator) = 0; |
|
} |
|
} |
|
} |
|
else |
|
{ |
|
// get a directory listing and look at each name |
|
Q_sprintf( netpath, "%s%s", searchpath->filename, basepath ); |
|
stringlistinit( &dirlist ); |
|
listdirectory( &dirlist, netpath, caseinsensitive ); |
|
|
|
for( dirlistindex = 0; dirlistindex < dirlist.numstrings; dirlistindex++ ) |
|
{ |
|
Q_sprintf( temp, "%s%s", basepath, dirlist.strings[dirlistindex] ); |
|
|
|
if( matchpattern( temp, (char *)pattern, true )) |
|
{ |
|
for( resultlistindex = 0; resultlistindex < resultlist.numstrings; resultlistindex++ ) |
|
{ |
|
if( !Q_strcmp( resultlist.strings[resultlistindex], temp )) |
|
break; |
|
} |
|
|
|
if( resultlistindex == resultlist.numstrings ) |
|
stringlistappend( &resultlist, temp ); |
|
} |
|
} |
|
|
|
stringlistfreecontents( &dirlist ); |
|
} |
|
} |
|
|
|
if( resultlist.numstrings ) |
|
{ |
|
stringlistsort( &resultlist ); |
|
numfiles = resultlist.numstrings; |
|
numchars = 0; |
|
|
|
for( resultlistindex = 0; resultlistindex < resultlist.numstrings; resultlistindex++ ) |
|
numchars += (int)Q_strlen( resultlist.strings[resultlistindex]) + 1; |
|
search = Mem_Calloc( fs_mempool, sizeof(search_t) + numchars + numfiles * sizeof( char* )); |
|
search->filenames = (char **)((char *)search + sizeof( search_t )); |
|
search->filenamesbuffer = (char *)((char *)search + sizeof( search_t ) + numfiles * sizeof( char* )); |
|
search->numfilenames = (int)numfiles; |
|
numfiles = numchars = 0; |
|
|
|
for( resultlistindex = 0; resultlistindex < resultlist.numstrings; resultlistindex++ ) |
|
{ |
|
size_t textlen; |
|
|
|
search->filenames[numfiles] = search->filenamesbuffer + numchars; |
|
textlen = Q_strlen(resultlist.strings[resultlistindex]) + 1; |
|
memcpy( search->filenames[numfiles], resultlist.strings[resultlistindex], textlen ); |
|
numfiles++; |
|
numchars += (int)textlen; |
|
} |
|
} |
|
|
|
stringlistfreecontents( &resultlist ); |
|
|
|
Mem_Free( basepath ); |
|
|
|
return search; |
|
} |
|
|
|
void FS_InitMemory( void ) |
|
{ |
|
fs_mempool = Mem_AllocPool( "FileSystem Pool" ); |
|
fs_searchpaths = NULL; |
|
} |
|
|
|
/* |
|
============================================================================= |
|
|
|
WADSYSTEM PRIVATE ROUTINES |
|
|
|
============================================================================= |
|
*/ |
|
// associate extension with wad type |
|
static const wadtype_t wad_types[7] = |
|
{ |
|
{ "pal", TYP_PALETTE }, // palette |
|
{ "dds", TYP_DDSTEX }, // DDS image |
|
{ "lmp", TYP_GFXPIC }, // quake1, hl pic |
|
{ "fnt", TYP_QFONT }, // hl qfonts |
|
{ "mip", TYP_MIPTEX }, // hl/q1 mip |
|
{ "txt", TYP_SCRIPT }, // scripts |
|
{ NULL, TYP_NONE } |
|
}; |
|
|
|
/* |
|
=========== |
|
W_TypeFromExt |
|
|
|
Extracts file type from extension |
|
=========== |
|
*/ |
|
static signed char W_TypeFromExt( const char *lumpname ) |
|
{ |
|
const char *ext = COM_FileExtension( lumpname ); |
|
const wadtype_t *type; |
|
|
|
// we not known about filetype, so match only by filename |
|
if( !Q_strcmp( ext, "*" ) || !Q_strcmp( ext, "" )) |
|
return TYP_ANY; |
|
|
|
for( type = wad_types; type->ext; type++ ) |
|
{ |
|
if( !Q_stricmp( ext, type->ext )) |
|
return type->type; |
|
} |
|
return TYP_NONE; |
|
} |
|
|
|
/* |
|
=========== |
|
W_ExtFromType |
|
|
|
Convert type to extension |
|
=========== |
|
*/ |
|
static const char *W_ExtFromType( signed char lumptype ) |
|
{ |
|
const wadtype_t *type; |
|
|
|
// we not known aboyt filetype, so match only by filename |
|
if( lumptype == TYP_NONE || lumptype == TYP_ANY ) |
|
return ""; |
|
|
|
for( type = wad_types; type->ext; type++ ) |
|
{ |
|
if( lumptype == type->type ) |
|
return type->ext; |
|
} |
|
return ""; |
|
} |
|
|
|
/* |
|
=========== |
|
W_FindLump |
|
|
|
Serach for already existed lump |
|
=========== |
|
*/ |
|
static dlumpinfo_t *W_FindLump( wfile_t *wad, const char *name, const signed char matchtype ) |
|
{ |
|
int left, right; |
|
|
|
if( !wad || !wad->lumps || matchtype == TYP_NONE ) |
|
return NULL; |
|
|
|
// look for the file (binary search) |
|
left = 0; |
|
right = wad->numlumps - 1; |
|
|
|
while( left <= right ) |
|
{ |
|
int middle = (left + right) / 2; |
|
int diff = Q_stricmp( wad->lumps[middle].name, name ); |
|
|
|
if( !diff ) |
|
{ |
|
if(( matchtype == TYP_ANY ) || ( matchtype == wad->lumps[middle].type )) |
|
return &wad->lumps[middle]; // found |
|
else if( wad->lumps[middle].type < matchtype ) |
|
diff = 1; |
|
else if( wad->lumps[middle].type > matchtype ) |
|
diff = -1; |
|
else break; // not found |
|
} |
|
|
|
// if we're too far in the list |
|
if( diff > 0 ) right = middle - 1; |
|
else left = middle + 1; |
|
} |
|
|
|
return NULL; |
|
} |
|
|
|
/* |
|
==================== |
|
W_AddFileToWad |
|
|
|
Add a file to the list of files contained into a package |
|
and sort LAT in alpha-bethical order |
|
==================== |
|
*/ |
|
static dlumpinfo_t *W_AddFileToWad( const char *name, wfile_t *wad, dlumpinfo_t *newlump ) |
|
{ |
|
int left, right; |
|
dlumpinfo_t *plump; |
|
|
|
// look for the slot we should put that file into (binary search) |
|
left = 0; |
|
right = wad->numlumps - 1; |
|
|
|
while( left <= right ) |
|
{ |
|
int middle = ( left + right ) / 2; |
|
int diff = Q_stricmp( wad->lumps[middle].name, name ); |
|
|
|
if( !diff ) |
|
{ |
|
if( wad->lumps[middle].type < newlump->type ) |
|
diff = 1; |
|
else if( wad->lumps[middle].type > newlump->type ) |
|
diff = -1; |
|
else Con_Reportf( S_WARN "Wad %s contains the file %s several times\n", wad->filename, name ); |
|
} |
|
|
|
// If we're too far in the list |
|
if( diff > 0 ) right = middle - 1; |
|
else left = middle + 1; |
|
} |
|
|
|
// we have to move the right of the list by one slot to free the one we need |
|
plump = &wad->lumps[left]; |
|
memmove( plump + 1, plump, ( wad->numlumps - left ) * sizeof( *plump )); |
|
wad->numlumps++; |
|
|
|
*plump = *newlump; |
|
memcpy( plump->name, name, sizeof( plump->name )); |
|
|
|
return plump; |
|
} |
|
|
|
/* |
|
=========== |
|
W_ReadLump |
|
|
|
reading lump into temp buffer |
|
=========== |
|
*/ |
|
byte *W_ReadLump( wfile_t *wad, dlumpinfo_t *lump, fs_offset_t *lumpsizeptr ) |
|
{ |
|
size_t oldpos, size = 0; |
|
byte *buf; |
|
|
|
// assume error |
|
if( lumpsizeptr ) *lumpsizeptr = 0; |
|
|
|
// no wads loaded |
|
if( !wad || !lump ) return NULL; |
|
|
|
oldpos = FS_Tell( wad->handle ); // don't forget restore original position |
|
|
|
if( FS_Seek( wad->handle, lump->filepos, SEEK_SET ) == -1 ) |
|
{ |
|
Con_Reportf( S_ERROR "W_ReadLump: %s is corrupted\n", lump->name ); |
|
FS_Seek( wad->handle, oldpos, SEEK_SET ); |
|
return NULL; |
|
} |
|
|
|
buf = (byte *)Mem_Malloc( wad->mempool, lump->disksize ); |
|
size = FS_Read( wad->handle, buf, lump->disksize ); |
|
|
|
if( size < lump->disksize ) |
|
{ |
|
Con_Reportf( S_WARN "W_ReadLump: %s is probably corrupted\n", lump->name ); |
|
FS_Seek( wad->handle, oldpos, SEEK_SET ); |
|
Mem_Free( buf ); |
|
return NULL; |
|
} |
|
|
|
if( lumpsizeptr ) *lumpsizeptr = lump->disksize; |
|
FS_Seek( wad->handle, oldpos, SEEK_SET ); |
|
|
|
return buf; |
|
} |
|
|
|
/* |
|
============================================================================= |
|
|
|
WADSYSTEM PUBLIC BASE FUNCTIONS |
|
|
|
============================================================================= |
|
*/ |
|
/* |
|
=========== |
|
W_Open |
|
|
|
open the wad for reading & writing |
|
=========== |
|
*/ |
|
wfile_t *W_Open( const char *filename, int *error ) |
|
{ |
|
wfile_t *wad = (wfile_t *)Mem_Calloc( fs_mempool, sizeof( wfile_t )); |
|
const char *basename; |
|
int i, lumpcount; |
|
dlumpinfo_t *srclumps; |
|
size_t lat_size; |
|
dwadinfo_t header; |
|
|
|
// NOTE: FS_Open is load wad file from the first pak in the list (while fs_ext_path is false) |
|
if( fs_ext_path ) basename = filename; |
|
else basename = COM_FileWithoutPath( filename ); |
|
|
|
wad->handle = FS_Open( basename, "rb", false ); |
|
|
|
// HACKHACK: try to open WAD by full path for RoDir, when searchpaths are not ready |
|
if( host.rodir[0] && fs_ext_path && wad->handle == NULL ) |
|
wad->handle = FS_SysOpen( filename, "rb" ); |
|
|
|
if( wad->handle == NULL ) |
|
{ |
|
Con_Reportf( S_ERROR "W_Open: couldn't open %s\n", filename ); |
|
if( error ) *error = WAD_LOAD_COULDNT_OPEN; |
|
W_Close( wad ); |
|
return NULL; |
|
} |
|
|
|
// copy wad name |
|
Q_strncpy( wad->filename, filename, sizeof( wad->filename )); |
|
wad->filetime = FS_SysFileTime( filename ); |
|
wad->mempool = Mem_AllocPool( filename ); |
|
|
|
if( FS_Read( wad->handle, &header, sizeof( dwadinfo_t )) != sizeof( dwadinfo_t )) |
|
{ |
|
Con_Reportf( S_ERROR "W_Open: %s can't read header\n", filename ); |
|
if( error ) *error = WAD_LOAD_BAD_HEADER; |
|
W_Close( wad ); |
|
return NULL; |
|
} |
|
|
|
if( header.ident != IDWAD2HEADER && header.ident != IDWAD3HEADER ) |
|
{ |
|
Con_Reportf( S_ERROR "W_Open: %s is not a WAD2 or WAD3 file\n", filename ); |
|
if( error ) *error = WAD_LOAD_BAD_HEADER; |
|
W_Close( wad ); |
|
return NULL; |
|
} |
|
|
|
lumpcount = header.numlumps; |
|
|
|
if( lumpcount >= MAX_FILES_IN_WAD ) |
|
{ |
|
Con_Reportf( S_WARN "W_Open: %s is full (%i lumps)\n", filename, lumpcount ); |
|
if( error ) *error = WAD_LOAD_TOO_MANY_FILES; |
|
} |
|
else if( lumpcount <= 0 ) |
|
{ |
|
Con_Reportf( S_ERROR "W_Open: %s has no lumps\n", filename ); |
|
if( error ) *error = WAD_LOAD_NO_FILES; |
|
W_Close( wad ); |
|
return NULL; |
|
} |
|
else if( error ) *error = WAD_LOAD_OK; |
|
|
|
wad->infotableofs = header.infotableofs; // save infotableofs position |
|
|
|
if( FS_Seek( wad->handle, wad->infotableofs, SEEK_SET ) == -1 ) |
|
{ |
|
Con_Reportf( S_ERROR "W_Open: %s can't find lump allocation table\n", filename ); |
|
if( error ) *error = WAD_LOAD_BAD_FOLDERS; |
|
W_Close( wad ); |
|
return NULL; |
|
} |
|
|
|
lat_size = lumpcount * sizeof( dlumpinfo_t ); |
|
|
|
// NOTE: lumps table can be reallocated for O_APPEND mode |
|
srclumps = (dlumpinfo_t *)Mem_Malloc( wad->mempool, lat_size ); |
|
|
|
if( FS_Read( wad->handle, srclumps, lat_size ) != lat_size ) |
|
{ |
|
Con_Reportf( S_ERROR "W_ReadLumpTable: %s has corrupted lump allocation table\n", wad->filename ); |
|
if( error ) *error = WAD_LOAD_CORRUPTED; |
|
Mem_Free( srclumps ); |
|
W_Close( wad ); |
|
return NULL; |
|
} |
|
|
|
// starting to add lumps |
|
wad->lumps = (dlumpinfo_t *)Mem_Calloc( wad->mempool, lat_size ); |
|
wad->numlumps = 0; |
|
|
|
// sort lumps for binary search |
|
for( i = 0; i < lumpcount; i++ ) |
|
{ |
|
char name[16]; |
|
int k; |
|
|
|
// cleanup lumpname |
|
Q_strnlwr( srclumps[i].name, name, sizeof( srclumps[i].name )); |
|
|
|
// check for '*' symbol issues (quake1) |
|
k = Q_strlen( Q_strrchr( name, '*' )); |
|
if( k ) name[Q_strlen( name ) - k] = '!'; |
|
|
|
// check for Quake 'conchars' issues (only lmp loader really allows to read this lame pic) |
|
if( srclumps[i].type == 68 && !Q_stricmp( srclumps[i].name, "conchars" )) |
|
srclumps[i].type = TYP_GFXPIC; |
|
|
|
W_AddFileToWad( name, wad, &srclumps[i] ); |
|
} |
|
|
|
// release source lumps |
|
Mem_Free( srclumps ); |
|
|
|
// and leave the file open |
|
return wad; |
|
} |
|
|
|
/* |
|
=========== |
|
W_Close |
|
|
|
finalize wad or just close |
|
=========== |
|
*/ |
|
void W_Close( wfile_t *wad ) |
|
{ |
|
if( !wad ) return; |
|
|
|
Mem_FreePool( &wad->mempool ); |
|
if( wad->handle != NULL ) |
|
FS_Close( wad->handle ); |
|
Mem_Free( wad ); // free himself |
|
} |
|
|
|
/* |
|
============================================================================= |
|
|
|
FILESYSTEM IMPLEMENTATION |
|
|
|
============================================================================= |
|
*/ |
|
/* |
|
=========== |
|
W_LoadFile |
|
|
|
loading lump into the tmp buffer |
|
=========== |
|
*/ |
|
static byte *W_LoadFile( const char *path, fs_offset_t *lumpsizeptr, qboolean gamedironly ) |
|
{ |
|
searchpath_t *search; |
|
int index; |
|
|
|
search = FS_FindFile( path, &index, gamedironly ); |
|
if( search && search->wad ) |
|
return W_ReadLump( search->wad, &search->wad->lumps[index], lumpsizeptr ); |
|
return NULL; |
|
}
|
|
|