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metamod-r/metamod/game_autodetect.cpp
2016-07-04 12:07:29 +06:00

131 lines
3.8 KiB
C++

// vi: set ts=4 sw=4 :
// vim: set tw=75 :
// autodetect.cpp - GameDLL search and autodetection.
/*
* Copyright (c) 2004-2006 Jussi Kivilinna
*
* This file is part of "Metamod All-Mod-Support"-patch for Metamod.
*
* Metamod 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 2 of the License, or (at
* your option) any later version.
*
* Metamod 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.
*
* You should have received a copy of the GNU General Public License
* along with Metamod; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* In addition, as a special exception, the author gives permission to
* link the code of this program with the Half-Life Game Engine ("HL
* Engine") and Modified Game Libraries ("MODs") developed by Valve,
* L.L.C ("Valve"). You must obey the GNU General Public License in all
* respects for all of the code used other than the HL Engine and MODs
* from Valve. If you modify this file, you may extend this exception
* to your version of the file, but you are not obligated to do so. If
* you do not wish to do so, delete this exception statement from your
* version.
*
*/
#include <extdll.h> // always
#include "osdep_p.h" // is_gamedll, ...
#include "game_autodetect.h" // me
#include "support_meta.h" // full_gamedir_path,
// Search gamedir/dlls/*.dll for gamedlls
//TODO: add META_DEBUG
const char * DLLINTERNAL autodetect_gamedll(const gamedll_t *gamedll, const char *knownfn)
{
static char buf[256];
char dllpath[256];
char fnpath[256];
DIR *dir;
struct dirent *ent;
unsigned int fn_len;
// Generate dllpath
safevoid_snprintf(buf, sizeof(buf), "%s/dlls", gamedll->gamedir);
if(!full_gamedir_path(buf, dllpath)) {
//whine & return
META_WARNING("GameDLL-Autodetection: Directory '%s' doesn't exist.", buf);
return(0);
}
// Generate knownfn path
safevoid_snprintf(fnpath, sizeof(fnpath), "%s/%s", dllpath, knownfn);
// Check if knownfn exists and is valid gamedll
if(is_gamedll(fnpath)) {
// knownfn exists and is loadable gamedll, return 0.
return(0);
}
// Open directory
if(!(dir = opendir(dllpath))) {
//whine & return
META_WARNING("GameDLL-Autodetection: Couldn't open directory '%s'.", dllpath);
return(0);
}
while((ent = readdir(dir)) != 0) {
fn_len = strlen(ent->d_name);
if(fn_len <= strlen(PLATFORM_DLEXT)) {
// Filename is too short
continue;
}
// Compare end of filename with PLATFORM_DLEXT
if(!strcasematch(&ent->d_name[fn_len - strlen(PLATFORM_DLEXT)], PLATFORM_DLEXT)) {
// File isn't dll
continue;
}
// Exclude all metamods
if(strncasematch(ent->d_name, "metamod", strlen("metamod"))) {
continue;
}
// Exclude all bots
STRNCPY(buf, ent->d_name, sizeof(buf));
strlwr(buf);
if(strstr(buf, "bot.")) {
continue;
}
#ifdef linux
//bot_iX86.so, bot_amd64.so, bot_x86_64.so
if(strstr(buf, "bot_i") || strstr(buf, "bot_amd64.so") || strstr(buf, "bot_x86")) {
continue;
}
#endif
// Generate full path
safevoid_snprintf(fnpath, sizeof(fnpath), "%s/%s", dllpath, ent->d_name);
// Check if dll is gamedll
if(is_gamedll(fnpath)) {
META_DEBUG(8, ("is_gamedll(%s): ok.", fnpath));
//gamedll detected
STRNCPY(buf, ent->d_name, sizeof(buf));
closedir(dir);
return(buf);
}
META_DEBUG(8, ("is_gamedll(%s): failed.", fnpath));
}
//not found
META_WARNING("GameDLL-Autodetection: Couldn't find gamedll in '%s'.", dllpath);
closedir(dir);
return(0);
}