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xash3d-fwgs/engine/common/filesystem_engine.c

154 lines
3.1 KiB
C

/*
filesystem.c - game filesystem based on DP fs
Copyright (C) 2007 Uncle Mike
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.
*/
#include "common.h"
#include "library.h"
fs_api_t g_fsapi;
fs_globals_t *FI;
static HINSTANCE fs_hInstance;
static void FS_Rescan_f( void )
{
FS_Rescan();
}
static void FS_ClearPaths_f( void )
{
FS_ClearSearchPath();
}
static void FS_Path_f_( void )
{
FS_Path_f();
}
static fs_interface_t fs_memfuncs =
{
Con_Printf,
Con_DPrintf,
Con_Reportf,
Sys_Error,
_Mem_AllocPool,
_Mem_FreePool,
_Mem_Alloc,
_Mem_Realloc,
_Mem_Free,
};
static void FS_UnloadProgs( void )
{
COM_FreeLibrary( fs_hInstance );
fs_hInstance = 0;
}
#ifdef XASH_INTERNAL_GAMELIBS
#define FILESYSTEM_STDIO_DLL "filesystem_stdio"
#else
#define FILESYSTEM_STDIO_DLL "filesystem_stdio." OS_LIB_EXT
#endif
qboolean FS_LoadProgs( void )
{
const char *name = FILESYSTEM_STDIO_DLL;
FSAPI GetFSAPI;
fs_hInstance = COM_LoadLibrary( name, false, true );
if( !fs_hInstance )
{
Host_Error( "FS_LoadProgs: can't load filesystem library %s: %s\n", name, COM_GetLibraryError() );
return false;
}
if( !( GetFSAPI = (FSAPI)COM_GetProcAddress( fs_hInstance, GET_FS_API )))
{
FS_UnloadProgs();
Host_Error( "FS_LoadProgs: can't find GetFSAPI entry point in %s\n", name );
return false;
}
if( !GetFSAPI( FS_API_VERSION, &g_fsapi, &FI, &fs_memfuncs ))
{
FS_UnloadProgs();
Host_Error( "FS_LoadProgs: can't initialize filesystem API: wrong version\n" );
return false;
}
Con_DPrintf( "FS_LoadProgs: filesystem_stdio successfully loaded\n" );
return true;
}
/*
================
FS_Init
================
*/
void FS_Init( void )
{
qboolean hasBaseDir = false;
qboolean hasGameDir = false;
qboolean caseinsensitive = true;
int i;
string gamedir;
Cmd_AddRestrictedCommand( "fs_rescan", FS_Rescan_f, "rescan filesystem search pathes" );
Cmd_AddRestrictedCommand( "fs_path", FS_Path_f_, "show filesystem search pathes" );
Cmd_AddRestrictedCommand( "fs_clearpaths", FS_ClearPaths_f, "clear filesystem search pathes" );
#if !XASH_WIN32
if( Sys_CheckParm( "-casesensitive" ) )
caseinsensitive = false;
#endif
if( !Sys_GetParmFromCmdLine( "-game", gamedir ))
Q_strncpy( gamedir, SI.basedirName, sizeof( gamedir )); // gamedir == basedir
if( !FS_InitStdio( caseinsensitive, host.rootdir, SI.basedirName, gamedir, host.rodir ))
{
Host_Error( "Can't init filesystem_stdio!\n" );
return;
}
if( !Sys_GetParmFromCmdLine( "-dll", SI.gamedll ))
SI.gamedll[0] = 0;
if( !Sys_GetParmFromCmdLine( "-clientlib", SI.clientlib ))
SI.clientlib[0] = 0;
}
/*
================
FS_Shutdown
================
*/
void FS_Shutdown( void )
{
int i;
FS_ShutdownStdio();
memset( &SI, 0, sizeof( sysinfo_t ));
FS_UnloadProgs();
}