Xash3D FWGS engine.
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/*
filesystem.h - engine FS
Copyright (C) 2003-2006 Mathieu Olivier
Copyright (C) 2000-2007 DarkPlaces contributors
Copyright (C) 2007 Uncle Mike
Copyright (C) 2015-2023 Xash3D FWGS contributors
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
*/
#ifndef FILESYSTEM_H
#define FILESYSTEM_H
#include <stdarg.h>
#include <stddef.h>
#include <stdio.h>
#include "xash3d_types.h"
#include "const.h"
#include "com_model.h"
#ifdef __cplusplus
extern "C"
{
#endif // __cplusplus
#define FS_API_VERSION 2 // not stable yet!
#define FS_API_CREATEINTERFACE_TAG "XashFileSystem002" // follow FS_API_VERSION!!!
// search path flags
enum
{
FS_STATIC_PATH = BIT( 0 ), // FS_ClearSearchPath will be ignore this path
FS_NOWRITE_PATH = BIT( 1 ), // default behavior - last added gamedir set as writedir. This flag disables it
FS_GAMEDIR_PATH = BIT( 2 ), // just a marker for gamedir path
FS_CUSTOM_PATH = BIT( 3 ), // gamedir but with custom/mod data
FS_GAMERODIR_PATH = BIT( 4 ), // gamedir but read-only
FS_GAMEDIRONLY_SEARCH_FLAGS = FS_GAMEDIR_PATH | FS_CUSTOM_PATH | FS_GAMERODIR_PATH
};
typedef struct
{
int numfilenames;
char **filenames;
char *filenamesbuffer;
} search_t;
typedef struct gameinfo_s
{
// filesystem info
char gamefolder[MAX_QPATH]; // used for change game '-game x'
char basedir[MAX_QPATH]; // base game directory (like 'id1' for Quake or 'valve' for Half-Life)
char falldir[MAX_QPATH]; // used as second basedir
char startmap[MAX_QPATH];// map to start singleplayer game
char trainmap[MAX_QPATH];// map to start hazard course (if specified)
char title[64]; // Game Main Title
float version; // game version (optional)
// .dll pathes
char dll_path[MAX_QPATH]; // e.g. "bin" or "cl_dlls"
char game_dll[MAX_QPATH]; // custom path for game.dll
// .ico path
char iconpath[MAX_QPATH]; // "game.ico" by default
// about mod info
string game_url; // link to a developer's site
string update_url; // link to updates page
char type[MAX_QPATH]; // single, toolkit, multiplayer etc
char date[MAX_QPATH];
size_t size;
int gamemode;
qboolean secure; // prevent to console acess
qboolean nomodels; // don't let player to choose model (use player.mdl always)
qboolean noskills; // disable skill menu selection
qboolean render_picbutton_text; // use font renderer to render WON buttons
qboolean internal_vgui_support; // skip loading VGUI, pass ingame UI support API to client
char sp_entity[32]; // e.g. info_player_start
char mp_entity[32]; // e.g. info_player_deathmatch
char mp_filter[32]; // filtering multiplayer-maps
char ambientsound[NUM_AMBIENTS][MAX_QPATH]; // quake ambient sounds
int max_edicts; // min edicts is 600, max edicts is 8196
int max_tents; // min temp ents is 300, max is 2048
int max_beams; // min beams is 64, max beams is 512
int max_particles; // min particles is 4096, max particles is 32768
char game_dll_linux[64]; // custom path for game.dll
char game_dll_osx[64]; // custom path for game.dll
qboolean added;
} gameinfo_t;
typedef enum
{
GAME_NORMAL,
GAME_SINGLEPLAYER_ONLY,
GAME_MULTIPLAYER_ONLY
} gametype_t;
typedef struct fs_dllinfo_t
{
string fullPath;
string shortPath;
qboolean encrypted;
qboolean custom_loader;
} fs_dllinfo_t;
typedef struct fs_globals_t
{
gameinfo_t *GameInfo; // current GameInfo
gameinfo_t *games[MAX_MODS]; // environment games (founded at each engine start)
int numgames;
} fs_globals_t;
typedef void (*fs_event_callback_t)( const char *path );
typedef struct fs_api_t
{
qboolean (*InitStdio)( qboolean caseinsensitive, const char *rootdir, const char *basedir, const char *gamedir, const char *rodir );
void (*ShutdownStdio)( void );
// search path utils
void (*Rescan)( void );
void (*ClearSearchPath)( void );
void (*AllowDirectPaths)( qboolean enable );
void (*AddGameDirectory)( const char *dir, uint flags );
void (*AddGameHierarchy)( const char *dir, uint flags );
search_t *(*Search)( const char *pattern, int caseinsensitive, int gamedironly );
int (*SetCurrentDirectory)( const char *path );
qboolean (*FindLibrary)( const char *dllname, qboolean directpath, fs_dllinfo_t *dllinfo );
void (*Path_f)( void );
// gameinfo utils
void (*LoadGameInfo)( const char *rootfolder );
// file ops
file_t *(*Open)( const char *filepath, const char *mode, qboolean gamedironly );
fs_offset_t (*Write)( file_t *file, const void *data, size_t datasize );
fs_offset_t (*Read)( file_t *file, void *buffer, size_t buffersize );
int (*Seek)( file_t *file, fs_offset_t offset, int whence );
fs_offset_t (*Tell)( file_t *file );
qboolean (*Eof)( file_t *file );
int (*Flush)( file_t *file );
int (*Close)( file_t *file );
int (*Gets)( file_t *file, byte *string, size_t bufsize );
int (*UnGetc)( file_t *file, byte c );
int (*Getc)( file_t *file );
int (*VPrintf)( file_t *file, const char *format, va_list ap );
int (*Printf)( file_t *file, const char *format, ... ) _format( 2 );
int (*Print)( file_t *file, const char *msg );
fs_offset_t (*FileLength)( file_t *f );
qboolean (*FileCopy)( file_t *pOutput, file_t *pInput, int fileSize );
// file buffer ops
byte *(*LoadFile)( const char *path, fs_offset_t *filesizeptr, qboolean gamedironly );
byte *(*LoadDirectFile)( const char *path, fs_offset_t *filesizeptr );
qboolean (*WriteFile)( const char *filename, const void *data, fs_offset_t len );
// file hashing
qboolean (*CRC32_File)( dword *crcvalue, const char *filename );
qboolean (*MD5_HashFile)( byte digest[16], const char *pszFileName, uint seed[4] );
// filesystem ops
int (*FileExists)( const char *filename, int gamedironly );
int (*FileTime)( const char *filename, qboolean gamedironly );
fs_offset_t (*FileSize)( const char *filename, qboolean gamedironly );
qboolean (*Rename)( const char *oldname, const char *newname );
qboolean (*Delete)( const char *path );
qboolean (*SysFileExists)( const char *path );
const char *(*GetDiskPath)( const char *name, qboolean gamedironly );
// file watcher
void (*WatchFrame)( void ); // engine will read all events and call appropriate callbacks
qboolean (*AddWatch)( const char *path, fs_event_callback_t callback );
} fs_api_t;
typedef struct fs_interface_t
{
// logging
void (*_Con_Printf)( const char *fmt, ... ) _format( 1 ); // typical console allowed messages
void (*_Con_DPrintf)( const char *fmt, ... ) _format( 1 ); // -dev 1
void (*_Con_Reportf)( const char *fmt, ... ) _format( 1 ); // -dev 2
void (*_Sys_Error)( const char *fmt, ... ) _format( 1 );
// memory
poolhandle_t (*_Mem_AllocPool)( const char *name, const char *filename, int fileline );
void (*_Mem_FreePool)( poolhandle_t *poolptr, const char *filename, int fileline );
void *(*_Mem_Alloc)( poolhandle_t poolptr, size_t size, qboolean clear, const char *filename, int fileline );
void *(*_Mem_Realloc)( poolhandle_t poolptr, void *memptr, size_t size, qboolean clear, const char *filename, int fileline );
void (*_Mem_Free)( void *data, const char *filename, int fileline );
} fs_interface_t;
typedef int (*FSAPI)( int version, fs_api_t *api, fs_globals_t **globals, fs_interface_t *interface );
#define GET_FS_API "GetFSAPI"
#ifdef __cplusplus
}
#endif // __cplusplus
#endif//FILESYSTEM_H