core/PlayerManager.cpp
author Scott Ehlert <ds@alliedmods.net>
Fri Nov 21 14:09:50 2008 -0600 (2008-11-21)
changeset 2417 3a64d2bc51c1
parent 2413 f7fee39a0e56
child 2421 1c26fcdc2be0
permissions -rw-r--r--
Fixed crash when L4D server went into hibernation mode after having had an active bot and a reserved name was used by this bot

- When going into hibernation, ClientSettingsChanged is called for remaining bots
- Hook checks bot's name against reserved names in admins config and tries to kick using IClient::Disconnect
- Method of getting IClient relies on client having an INetChannel pointer
- Bots do not have an INetChannel pointer so this results in a crash
     1 /**
     2  * vim: set ts=4 :
     3  * =============================================================================
     4  * SourceMod
     5  * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.
     6  * =============================================================================
     7  *
     8  * This program is free software; you can redistribute it and/or modify it under
     9  * the terms of the GNU General Public License, version 3.0, as published by the
    10  * Free Software Foundation.
    11  * 
    12  * This program is distributed in the hope that it will be useful, but WITHOUT
    13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    14  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
    15  * details.
    16  *
    17  * You should have received a copy of the GNU General Public License along with
    18  * this program.  If not, see <http://www.gnu.org/licenses/>.
    19  *
    20  * As a special exception, AlliedModders LLC gives you permission to link the
    21  * code of this program (as well as its derivative works) to "Half-Life 2," the
    22  * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
    23  * by the Valve Corporation.  You must obey the GNU General Public License in
    24  * all respects for all other code used.  Additionally, AlliedModders LLC grants
    25  * this exception to all derivative works.  AlliedModders LLC defines further
    26  * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
    27  * or <http://www.sourcemod.net/license.php>.
    28  *
    29  * Version: $Id$
    30  */
    31 
    32 #include "PlayerManager.h"
    33 #include "ForwardSys.h"
    34 #include "ShareSys.h"
    35 #include "AdminCache.h"
    36 #include "ConCmdManager.h"
    37 #include "MenuStyle_Valve.h"
    38 #include "MenuStyle_Radio.h"
    39 #include "sm_stringutil.h"
    40 #include "CoreConfig.h"
    41 #include "TimerSys.h"
    42 #include "Translator.h"
    43 #include "Logger.h"
    44 #include "ChatTriggers.h"
    45 #include "HalfLife2.h"
    46 #include <inetchannel.h>
    47 #include <iclient.h>
    48 #include "GameConfigs.h"
    49 #include "ExtensionSys.h"
    50 
    51 PlayerManager g_Players;
    52 bool g_OnMapStarted = false;
    53 IForward *PreAdminCheck = NULL;
    54 IForward *PostAdminCheck = NULL;
    55 IForward *PostAdminFilter = NULL;
    56 IForward *OnClientConnected = NULL;
    57 const unsigned int *g_NumPlayersToAuth = NULL;
    58 int lifestate_offset = -1;
    59 List<ICommandTargetProcessor *> target_processors;
    60 
    61 SH_DECL_HOOK5(IServerGameClients, ClientConnect, SH_NOATTRIB, 0, bool, edict_t *, const char *, const char *, char *, int);
    62 SH_DECL_HOOK2_void(IServerGameClients, ClientPutInServer, SH_NOATTRIB, 0, edict_t *, const char *);
    63 SH_DECL_HOOK1_void(IServerGameClients, ClientDisconnect, SH_NOATTRIB, 0, edict_t *);
    64 #if SOURCE_ENGINE >= SE_ORANGEBOX
    65 SH_DECL_HOOK2_void(IServerGameClients, ClientCommand, SH_NOATTRIB, 0, edict_t *, const CCommand &);
    66 #else
    67 SH_DECL_HOOK1_void(IServerGameClients, ClientCommand, SH_NOATTRIB, 0, edict_t *);
    68 #endif
    69 SH_DECL_HOOK1_void(IServerGameClients, ClientSettingsChanged, SH_NOATTRIB, 0, edict_t *);
    70 SH_DECL_HOOK3_void(IServerGameDLL, ServerActivate, SH_NOATTRIB, 0, edict_t *, int, int);
    71 
    72 #if SOURCE_ENGINE >= SE_ORANGEBOX
    73 SH_DECL_EXTERN1_void(ConCommand, Dispatch, SH_NOATTRIB, false, const CCommand &);
    74 #else
    75 extern bool __SourceHook_FHAddConCommandDispatch(void *,bool,class fastdelegate::FastDelegate0<void>);
    76 extern bool __SourceHook_FHRemoveConCommandDispatch(void *,bool,class fastdelegate::FastDelegate0<void>);
    77 #endif
    78 
    79 ConCommand *maxplayersCmd = NULL;
    80 
    81 class KickPlayerTimer : public ITimedEvent
    82 {
    83 public:
    84 	ResultType OnTimer(ITimer *pTimer, void *pData)
    85 	{
    86 		int userid = (int)pData;
    87 		int client = g_Players.GetClientOfUserId(userid);
    88 		if (client)
    89 		{
    90 			CPlayer *player = g_Players.GetPlayerByIndex(client);
    91 			player->Kick("Your name is reserved by SourceMod; set your password to use it.");
    92 		}
    93 		return Pl_Stop;
    94 	}
    95 	void OnTimerEnd(ITimer *pTimer, void *pData)
    96 	{
    97 	}
    98 } s_KickPlayerTimer;
    99 
   100 PlayerManager::PlayerManager()
   101 {
   102 	m_AuthQueue = NULL;
   103 	m_FirstPass = false;
   104 	m_maxClients = 0;
   105 
   106 	m_UserIdLookUp = new int[USHRT_MAX+1];
   107 	memset(m_UserIdLookUp, 0, sizeof(int) * (USHRT_MAX+1));
   108 }
   109 
   110 PlayerManager::~PlayerManager()
   111 {
   112 	g_NumPlayersToAuth = NULL;
   113 
   114 	delete [] m_AuthQueue;
   115 	delete [] m_UserIdLookUp;
   116 }
   117 
   118 void PlayerManager::OnSourceModAllInitialized()
   119 {
   120 	SH_ADD_HOOK_MEMFUNC(IServerGameClients, ClientConnect, serverClients, this, &PlayerManager::OnClientConnect, false);
   121 	SH_ADD_HOOK_MEMFUNC(IServerGameClients, ClientConnect, serverClients, this, &PlayerManager::OnClientConnect_Post, true);
   122 	SH_ADD_HOOK_MEMFUNC(IServerGameClients, ClientPutInServer, serverClients, this, &PlayerManager::OnClientPutInServer, true);
   123 	SH_ADD_HOOK_MEMFUNC(IServerGameClients, ClientDisconnect, serverClients, this, &PlayerManager::OnClientDisconnect, false);
   124 	SH_ADD_HOOK_MEMFUNC(IServerGameClients, ClientDisconnect, serverClients, this, &PlayerManager::OnClientDisconnect_Post, true);
   125 	SH_ADD_HOOK_MEMFUNC(IServerGameClients, ClientCommand, serverClients, this, &PlayerManager::OnClientCommand, false);
   126 	SH_ADD_HOOK_MEMFUNC(IServerGameClients, ClientSettingsChanged, serverClients, this, &PlayerManager::OnClientSettingsChanged, true);
   127 	SH_ADD_HOOK_MEMFUNC(IServerGameDLL, ServerActivate, gamedll, this, &PlayerManager::OnServerActivate, true);
   128 
   129 	g_ShareSys.AddInterface(NULL, this);
   130 
   131 	ParamType p1[] = {Param_Cell, Param_String, Param_Cell};
   132 	ParamType p2[] = {Param_Cell};
   133 
   134 	m_clconnect = g_Forwards.CreateForward("OnClientConnect", ET_LowEvent, 3, p1);
   135 	m_clputinserver = g_Forwards.CreateForward("OnClientPutInServer", ET_Ignore, 1, p2);
   136 	m_cldisconnect = g_Forwards.CreateForward("OnClientDisconnect", ET_Ignore, 1, p2);
   137 	m_cldisconnect_post = g_Forwards.CreateForward("OnClientDisconnect_Post", ET_Ignore, 1, p2);
   138 	m_clcommand = g_Forwards.CreateForward("OnClientCommand", ET_Hook, 2, NULL, Param_Cell, Param_Cell);
   139 	m_clinfochanged = g_Forwards.CreateForward("OnClientSettingsChanged", ET_Ignore, 1, p2);
   140 	m_clauth = g_Forwards.CreateForward("OnClientAuthorized", ET_Ignore, 2, NULL, Param_Cell, Param_String);
   141 	m_onActivate = g_Forwards.CreateForward("OnServerLoad", ET_Ignore, 0, NULL);
   142 	m_onActivate2 = g_Forwards.CreateForward("OnMapStart", ET_Ignore, 0, NULL);
   143 	OnClientConnected = g_Forwards.CreateForward("OnClientConnected", ET_Ignore, 1, p2);
   144 
   145 	PreAdminCheck = g_Forwards.CreateForward("OnClientPreAdminCheck", ET_Event, 1, p1);
   146 	PostAdminCheck = g_Forwards.CreateForward("OnClientPostAdminCheck", ET_Ignore, 1, p1);
   147 	PostAdminFilter = g_Forwards.CreateForward("OnClientPostAdminFilter", ET_Ignore, 1, p1);
   148 
   149 	m_bIsListenServer = !engine->IsDedicatedServer();
   150 	m_ListenClient = 0;
   151 
   152 	g_ConVarManager.AddConVarChangeListener("tv_enable", this);
   153 
   154 	ConCommand *pCmd = FindCommand("maxplayers");
   155 	if (pCmd != NULL)
   156 	{
   157 		SH_ADD_HOOK_STATICFUNC(ConCommand, Dispatch, pCmd, CmdMaxplayersCallback, true);
   158 		maxplayersCmd = pCmd;
   159 	}
   160 }
   161 
   162 void PlayerManager::OnSourceModShutdown()
   163 {
   164 	SH_REMOVE_HOOK_MEMFUNC(IServerGameClients, ClientConnect, serverClients, this, &PlayerManager::OnClientConnect, false);
   165 	SH_REMOVE_HOOK_MEMFUNC(IServerGameClients, ClientPutInServer, serverClients, this, &PlayerManager::OnClientPutInServer, true);
   166 	SH_REMOVE_HOOK_MEMFUNC(IServerGameClients, ClientDisconnect, serverClients, this, &PlayerManager::OnClientDisconnect, false);
   167 	SH_REMOVE_HOOK_MEMFUNC(IServerGameClients, ClientDisconnect, serverClients, this, &PlayerManager::OnClientDisconnect_Post, true);
   168 	SH_REMOVE_HOOK_MEMFUNC(IServerGameClients, ClientCommand, serverClients, this, &PlayerManager::OnClientCommand, false);
   169 	SH_REMOVE_HOOK_MEMFUNC(IServerGameClients, ClientSettingsChanged, serverClients, this, &PlayerManager::OnClientSettingsChanged, true);
   170 	SH_REMOVE_HOOK_MEMFUNC(IServerGameDLL, ServerActivate, gamedll, this, &PlayerManager::OnServerActivate, true);
   171 
   172 	/* Release forwards */
   173 	g_Forwards.ReleaseForward(m_clconnect);
   174 	g_Forwards.ReleaseForward(m_clputinserver);
   175 	g_Forwards.ReleaseForward(m_cldisconnect);
   176 	g_Forwards.ReleaseForward(m_cldisconnect_post);
   177 	g_Forwards.ReleaseForward(m_clcommand);
   178 	g_Forwards.ReleaseForward(m_clinfochanged);
   179 	g_Forwards.ReleaseForward(m_clauth);
   180 	g_Forwards.ReleaseForward(m_onActivate);
   181 	g_Forwards.ReleaseForward(m_onActivate2);
   182 	g_Forwards.ReleaseForward(OnClientConnected);
   183 
   184 	g_Forwards.ReleaseForward(PreAdminCheck);
   185 	g_Forwards.ReleaseForward(PostAdminCheck);
   186 	g_Forwards.ReleaseForward(PostAdminFilter);
   187 
   188 	delete [] m_Players;
   189 
   190 	g_ConVarManager.RemoveConVarChangeListener("tv_enable", this);
   191 
   192 	if (maxplayersCmd != NULL)
   193 	{
   194 		SH_REMOVE_HOOK_STATICFUNC(ConCommand, Dispatch, maxplayersCmd, CmdMaxplayersCallback, true);
   195 	}
   196 }
   197 
   198 ConfigResult PlayerManager::OnSourceModConfigChanged(const char *key, 
   199 												 const char *value, 
   200 												 ConfigSource source, 
   201 												 char *error, 
   202 												 size_t maxlength)
   203 {
   204 	if (strcmp(key, "PassInfoVar") == 0)
   205 	{
   206 		if (strcmp(value, "_password") != 0)
   207 		{
   208 			m_PassInfoVar.assign(value);
   209 		}
   210 		return ConfigResult_Accept;
   211 	} else if (strcmp(key, "AllowClLanguageVar") == 0) {
   212 		if (strcasecmp(value, "on") == 0)
   213 		{
   214 			m_QueryLang = true;
   215 		} else if (strcasecmp(value, "off") == 0) {
   216 			m_QueryLang = false;
   217 		} else {
   218 			UTIL_Format(error, maxlength, "Invalid value: must be \"on\" or \"off\"");
   219 			return ConfigResult_Reject;
   220 		}
   221 		return ConfigResult_Accept;
   222 	}
   223 	return ConfigResult_Ignore;
   224 }
   225 
   226 void PlayerManager::OnServerActivate(edict_t *pEdictList, int edictCount, int clientMax)
   227 {
   228 	if (!m_FirstPass)
   229 	{
   230 		/* Initialize all players */
   231 		m_maxClients = clientMax;
   232 		m_PlayerCount = 0;
   233 		m_Players = new CPlayer[ABSOLUTE_PLAYER_LIMIT + 1];
   234 		m_AuthQueue = new unsigned int[ABSOLUTE_PLAYER_LIMIT + 1];
   235 		m_FirstPass = true;
   236 
   237 		memset(m_AuthQueue, 0, sizeof(unsigned int) * (ABSOLUTE_PLAYER_LIMIT + 1));
   238 
   239 		g_NumPlayersToAuth = &m_AuthQueue[0];
   240 
   241 		g_PluginSys.SyncMaxClients(clientMax);
   242 	}
   243 	g_Extensions.CallOnCoreMapStart(pEdictList, edictCount, clientMax);
   244 	m_onActivate->Execute(NULL);
   245 	m_onActivate2->Execute(NULL);
   246 
   247 	List<IClientListener *>::iterator iter;
   248 	for (iter = m_hooks.begin(); iter != m_hooks.end(); iter++)
   249 	{
   250 		if ((*iter)->GetClientListenerVersion() >= 5)
   251 		{
   252 			(*iter)->OnServerActivated(clientMax);
   253 		}
   254 	}
   255 
   256 	g_OnMapStarted = true;
   257 
   258 	SM_ExecuteAllConfigs();
   259 }
   260 
   261 bool PlayerManager::IsServerActivated()
   262 {
   263 	return m_FirstPass;
   264 }
   265 
   266 bool PlayerManager::CheckSetAdmin(int index, CPlayer *pPlayer, AdminId id)
   267 {
   268 	const char *password = g_Admins.GetAdminPassword(id);
   269 	if (password != NULL)
   270 	{
   271 		if (m_PassInfoVar.size() < 1)
   272 		{
   273 			return false;
   274 		}
   275 
   276 		/* Whoa... the user needs a password! */
   277 		const char *given = engine->GetClientConVarValue(index, m_PassInfoVar.c_str());
   278 		if (!given || strcmp(given, password) != 0)
   279 		{
   280 			return false;
   281 		}
   282 	}
   283 
   284 	pPlayer->SetAdminId(id, false);
   285 
   286 	return true;
   287 }
   288 
   289 bool PlayerManager::CheckSetAdminName(int index, CPlayer *pPlayer, AdminId id)
   290 {
   291 	const char *password = g_Admins.GetAdminPassword(id);
   292 	if (password == NULL)
   293 	{
   294 		return false;
   295 	}
   296 
   297 	if (m_PassInfoVar.size() < 1)
   298 	{
   299 		return false;
   300 	}
   301 
   302 	/* Whoa... the user needs a password! */
   303 	const char *given = engine->GetClientConVarValue(index, m_PassInfoVar.c_str());
   304 	if (!given || strcmp(given, password) != 0)
   305 	{
   306 		return false;
   307 	}
   308 
   309 	pPlayer->SetAdminId(id, false);
   310 
   311 	return true;
   312 }
   313 
   314 void PlayerManager::RunAuthChecks()
   315 {
   316 	CPlayer *pPlayer;
   317 	const char *authstr;
   318 	unsigned int removed = 0;
   319 	for (unsigned int i=1; i<=m_AuthQueue[0]; i++)
   320 	{
   321 		pPlayer = &m_Players[m_AuthQueue[i]];
   322 		authstr = engine->GetPlayerNetworkIDString(pPlayer->m_pEdict);
   323 		if (authstr && authstr[0] != '\0'
   324 			&& (strcmp(authstr, "STEAM_ID_PENDING") != 0))
   325 		{
   326 			/* Set authorization */
   327 			pPlayer->Authorize(authstr);
   328 
   329 			/* Mark as removed from queue */
   330 			unsigned int client = m_AuthQueue[i];
   331 			m_AuthQueue[i] = 0;
   332 			removed++;
   333 
   334 			/* Send to extensions */
   335 			List<IClientListener *>::iterator iter;
   336 			IClientListener *pListener;
   337 			for (iter=m_hooks.begin(); iter!=m_hooks.end(); iter++)
   338 			{
   339 				pListener = (*iter);
   340 				pListener->OnClientAuthorized(client, authstr);
   341 				if (!pPlayer->IsConnected())
   342 				{
   343 					break;
   344 				}
   345 			}
   346 
   347 			/* Send to plugins if player is still connected */
   348 			if (pPlayer->IsConnected() && m_clauth->GetFunctionCount())
   349 			{
   350 				/* :TODO: handle the case of a player disconnecting in the middle */
   351 				m_clauth->PushCell(client);
   352 				m_clauth->PushString(authstr);
   353 				m_clauth->Execute(NULL);
   354 			}
   355 
   356 			if (pPlayer->IsConnected())
   357 			{
   358 				pPlayer->Authorize_Post();
   359 			}
   360 		}
   361 	}
   362 
   363 	/* Clean up the queue */
   364 	if (removed)
   365 	{
   366 		/* We don't have to compact the list if it's empty */
   367 		if (removed != m_AuthQueue[0])
   368 		{
   369 			unsigned int diff = 0;
   370 			for (unsigned int i=1; i<=m_AuthQueue[0]; i++)
   371 			{
   372 				/* If this member is removed... */
   373 				if (m_AuthQueue[i] == 0)
   374 				{
   375 					/* Increase the differential */
   376 					diff++;
   377 				} else {
   378 					/* diff cannot increase faster than i+1 */
   379 					assert(i > diff);
   380 					assert(i - diff >= 1);
   381 					/* move this index down */
   382 					m_AuthQueue[i - diff] = m_AuthQueue[i];
   383 				}
   384 			}
   385 			m_AuthQueue[0] -= removed;
   386 		} else {
   387 			m_AuthQueue[0] = 0;
   388 		}
   389 	}
   390 }
   391 
   392 bool PlayerManager::OnClientConnect(edict_t *pEntity, const char *pszName, const char *pszAddress, char *reject, int maxrejectlen)
   393 {
   394 	int client = IndexOfEdict(pEntity);
   395 	CPlayer *pPlayer = &m_Players[client];
   396 
   397 	List<IClientListener *>::iterator iter;
   398 	IClientListener *pListener = NULL;
   399 	for (iter=m_hooks.begin(); iter!=m_hooks.end(); iter++)
   400 	{
   401 		pListener = (*iter);
   402 		if (!pListener->InterceptClientConnect(client, reject, maxrejectlen))
   403 		{
   404 			return false;
   405 		}
   406 	}
   407 
   408 	cell_t res = 1;
   409 
   410 	pPlayer->Initialize(pszName, pszAddress, pEntity);
   411 	m_clconnect->PushCell(client);
   412 	m_clconnect->PushStringEx(reject, maxrejectlen, SM_PARAM_STRING_UTF8, SM_PARAM_COPYBACK);
   413 	m_clconnect->PushCell(maxrejectlen);
   414 	m_clconnect->Execute(&res);
   415 
   416 	if (res)
   417 	{
   418 		if (!pPlayer->IsAuthorized())
   419 		{
   420 			m_AuthQueue[++m_AuthQueue[0]] = client;
   421 		}
   422 
   423 		m_UserIdLookUp[engine->GetPlayerUserId(pEntity)] = client;
   424 	}
   425 	else
   426 	{
   427 		if (!pPlayer->IsFakeClient())
   428 		{
   429 			RETURN_META_VALUE(MRES_SUPERCEDE, false);
   430 		}
   431 	}
   432 
   433 	return true;
   434 }
   435 
   436 bool PlayerManager::OnClientConnect_Post(edict_t *pEntity, const char *pszName, const char *pszAddress, char *reject, int maxrejectlen)
   437 {
   438 	int client = IndexOfEdict(pEntity);
   439 	bool orig_value = META_RESULT_ORIG_RET(bool);
   440 	CPlayer *pPlayer = &m_Players[client];
   441 
   442 	if (orig_value)
   443 	{
   444 		List<IClientListener *>::iterator iter;
   445 		IClientListener *pListener = NULL;
   446 		for (iter=m_hooks.begin(); iter!=m_hooks.end(); iter++)
   447 		{
   448 			pListener = (*iter);
   449 			pListener->OnClientConnected(client);
   450 			if (!pPlayer->IsConnected())
   451 			{
   452 				break;
   453 			}
   454 		}
   455 
   456 		if (!pPlayer->IsFakeClient() 
   457 			&& m_bIsListenServer
   458 			&& strncmp(pszAddress, "127.0.0.1", 9) == 0)
   459 		{
   460 			m_ListenClient = client;
   461 		}
   462 
   463 		cell_t res;
   464 		OnClientConnected->PushCell(client);
   465 		OnClientConnected->Execute(&res, NULL);
   466 	}
   467 	else
   468 	{
   469 		InvalidatePlayer(pPlayer);
   470 	}
   471 
   472 	return true;
   473 }
   474 
   475 void PlayerManager::OnClientPutInServer(edict_t *pEntity, const char *playername)
   476 {
   477 	cell_t res;
   478 	int client = IndexOfEdict(pEntity);
   479 	CPlayer *pPlayer = &m_Players[client];
   480 
   481 	/* If they're not connected, they're a bot */
   482 	if (!pPlayer->IsConnected())
   483 	{
   484 		/* Run manual connection routines */
   485 		char error[255];
   486 		const char *authid = engine->GetPlayerNetworkIDString(pEntity);
   487 		pPlayer->Authorize(authid);
   488 		pPlayer->m_bFakeClient = true;
   489 		if (!OnClientConnect(pEntity, playername, "127.0.0.1", error, sizeof(error)))
   490 		{
   491 			/* :TODO: kick the bot if it's rejected */
   492 			return;
   493 		}
   494 		List<IClientListener *>::iterator iter;
   495 		IClientListener *pListener = NULL;
   496 		for (iter=m_hooks.begin(); iter!=m_hooks.end(); iter++)
   497 		{
   498 			pListener = (*iter);
   499 			pListener->OnClientConnected(client);
   500 			/* See if bot was kicked */
   501 			if (!pPlayer->IsConnected())
   502 			{
   503 				return;
   504 			}
   505 		}
   506 		/* Now do authorization */
   507 		for (iter=m_hooks.begin(); iter!=m_hooks.end(); iter++)
   508 		{
   509 			pListener = (*iter);
   510 			pListener->OnClientAuthorized(client, authid);
   511 		}
   512 		/* Finally, tell plugins */
   513 		if (m_clauth->GetFunctionCount())
   514 		{
   515 			m_clauth->PushCell(client);
   516 			m_clauth->PushString(authid);
   517 			m_clauth->Execute(NULL);
   518 		}
   519 		pPlayer->Authorize_Post();
   520 	}
   521 
   522 	if (playerinfo)
   523 	{
   524 		pPlayer->m_Info = playerinfo->GetPlayerInfo(pEntity);
   525 	}
   526 
   527 	/* Get the client's language */
   528 	if (m_QueryLang)
   529 	{
   530 		const char *name;
   531 		if (!pPlayer->IsFakeClient() && (name=engine->GetClientConVarValue(client, "cl_language")))
   532 		{
   533 			unsigned int langid;
   534 			pPlayer->m_LangId = (g_Translator.GetLanguageByName(name, &langid)) ? langid : g_Translator.GetServerLanguage();
   535 		} else {
   536 			pPlayer->m_LangId = g_Translator.GetServerLanguage();
   537 		}
   538 	}
   539 
   540 	pPlayer->Connect();
   541 	m_PlayerCount++;
   542 
   543 	List<IClientListener *>::iterator iter;
   544 	IClientListener *pListener = NULL;
   545 	for (iter=m_hooks.begin(); iter!=m_hooks.end(); iter++)
   546 	{
   547 		pListener = (*iter);
   548 		pListener->OnClientPutInServer(client);
   549 	}
   550 
   551 	m_clputinserver->PushCell(client);
   552 	m_clputinserver->Execute(&res, NULL);
   553 
   554 	if (pPlayer->IsAuthorized())
   555 	{
   556 		pPlayer->DoPostConnectAuthorization();
   557 	}
   558 }
   559 
   560 void PlayerManager::OnSourceModLevelEnd()
   561 {
   562 	/* Disconnect all bots still in game */
   563 	for (int i=1; i<=m_maxClients; i++)
   564 	{
   565 		if (m_Players[i].IsConnected())
   566 		{
   567 			OnClientDisconnect(m_Players[i].GetEdict());
   568 		}
   569 	}
   570 	m_PlayerCount = 0;
   571 }
   572 
   573 void PlayerManager::OnClientDisconnect(edict_t *pEntity)
   574 {
   575 	cell_t res;
   576 	int client = IndexOfEdict(pEntity);
   577 	CPlayer *pPlayer = &m_Players[client];
   578 
   579 	if (pPlayer->IsConnected())
   580 	{
   581 		m_cldisconnect->PushCell(client);
   582 		m_cldisconnect->Execute(&res, NULL);
   583 	}
   584 	else
   585 	{
   586 		/* We don't care, prevent a double call */
   587 		return;
   588 	}
   589 
   590 	if (pPlayer->WasCountedAsInGame())
   591 	{
   592 		m_PlayerCount--;
   593 	}
   594 
   595 	List<IClientListener *>::iterator iter;
   596 	IClientListener *pListener = NULL;
   597 	for (iter=m_hooks.begin(); iter!=m_hooks.end(); iter++)
   598 	{
   599 		pListener = (*iter);
   600 		pListener->OnClientDisconnecting(client);
   601 	}
   602 
   603 	InvalidatePlayer(pPlayer);
   604 
   605 	if (m_ListenClient == client)
   606 	{
   607 		m_ListenClient = 0;
   608 	}
   609 }
   610 
   611 void PlayerManager::OnClientDisconnect_Post(edict_t *pEntity)
   612 {
   613 	cell_t res;
   614 	int client = IndexOfEdict(pEntity);
   615 
   616 	m_cldisconnect_post->PushCell(client);
   617 	m_cldisconnect_post->Execute(&res, NULL);
   618 
   619 	List<IClientListener *>::iterator iter;
   620 	IClientListener *pListener = NULL;
   621 	for (iter=m_hooks.begin(); iter!=m_hooks.end(); iter++)
   622 	{
   623 		pListener = (*iter);
   624 		pListener->OnClientDisconnected(client);
   625 	}
   626 }
   627 
   628 #if SOURCE_ENGINE >= SE_ORANGEBOX
   629 void PlayerManager::OnClientCommand(edict_t *pEntity, const CCommand &args)
   630 {
   631 #else
   632 void PlayerManager::OnClientCommand(edict_t *pEntity)
   633 {
   634 	CCommand args;
   635 #endif
   636 	int client = IndexOfEdict(pEntity);
   637 	cell_t res = Pl_Continue;
   638 	CPlayer *pPlayer = &m_Players[client];
   639 
   640 	if (!pPlayer->IsConnected())
   641 	{
   642 		return;
   643 	}
   644 
   645 	g_HL2.PushCommandStack(&args);
   646 
   647 	int argcount = args.ArgC() - 1;
   648 	const char *cmd = g_HL2.CurrentCommandName();
   649 
   650 	bool result = g_ValveMenuStyle.OnClientCommand(client, cmd, args);
   651 	if (result)
   652 	{
   653 		res = Pl_Handled;
   654 	} else {
   655 		result = g_RadioMenuStyle.OnClientCommand(client, cmd, args);
   656 		if (result)
   657 		{
   658 			res = Pl_Handled;
   659 		}
   660 	}
   661 
   662 	cell_t res2 = Pl_Continue;
   663 	m_clcommand->PushCell(client);
   664 	m_clcommand->PushCell(argcount);
   665 	m_clcommand->Execute(&res2, NULL);
   666 
   667 	if (res2 > res)
   668 	{
   669 		res = res2;
   670 	}
   671 
   672 	if (res >= Pl_Stop)
   673 	{
   674 		g_HL2.PopCommandStack();
   675 		RETURN_META(MRES_SUPERCEDE);
   676 	}
   677 
   678 	res = g_ConCmds.DispatchClientCommand(client, cmd, argcount, (ResultType)res);
   679 
   680 	g_HL2.PopCommandStack();
   681 
   682 	if (res >= Pl_Handled)
   683 	{
   684 		RETURN_META(MRES_SUPERCEDE);
   685 	}
   686 }
   687 
   688 void PlayerManager::OnClientSettingsChanged(edict_t *pEntity)
   689 {
   690 	cell_t res;
   691 	int client = IndexOfEdict(pEntity);
   692 	CPlayer *pPlayer = &m_Players[client];
   693 
   694 	if (!pPlayer->IsConnected())
   695 	{
   696 		return;
   697 	}
   698 
   699 	m_clinfochanged->PushCell(client);
   700 	m_clinfochanged->Execute(&res, NULL);
   701 
   702 	if (pPlayer->IsFakeClient())
   703 	{
   704 		return;
   705 	}
   706 
   707 	IPlayerInfo *info = pPlayer->GetPlayerInfo();
   708 	const char *new_name = info ? info->GetName() : engine->GetClientConVarValue(client, "name");
   709 	const char *old_name = pPlayer->m_Name.c_str();
   710 
   711 	if (strcmp(old_name, new_name) != 0)
   712 	{
   713 		AdminId id = g_Admins.FindAdminByIdentity("name", new_name);
   714 		if (id != INVALID_ADMIN_ID && pPlayer->GetAdminId() != id)
   715 		{
   716 			if (!CheckSetAdminName(client, pPlayer, id))
   717 			{
   718 				pPlayer->Kick("Your name is reserved by SourceMod; set your password to use it.");
   719 				RETURN_META(MRES_IGNORED);
   720 			}
   721 		} else if ((id = g_Admins.FindAdminByIdentity("name", old_name)) != INVALID_ADMIN_ID) {
   722 			if (id == pPlayer->GetAdminId())
   723 			{
   724 				/* This player is changing their name; force them to drop admin privileges! */
   725 				pPlayer->SetAdminId(INVALID_ADMIN_ID, false);
   726 			}
   727 		}
   728 		pPlayer->SetName(new_name);
   729 	}
   730 	
   731 	if (m_PassInfoVar.size() > 0)
   732 	{
   733 		/* Try for a password change */
   734 		const char *old_pass = pPlayer->m_LastPassword.c_str();
   735 		const char *new_pass = engine->GetClientConVarValue(client, m_PassInfoVar.c_str());
   736 		if (strcmp(old_pass, new_pass) != 0)
   737 		{
   738 			pPlayer->m_LastPassword.assign(new_pass);
   739 			if (pPlayer->IsInGame() && pPlayer->IsAuthorized())
   740 			{
   741 				/* If there is already an admin id assigned, this will just bail out. */
   742 				pPlayer->DoBasicAdminChecks();
   743 			}
   744 		}
   745 	}
   746 }
   747 
   748 int PlayerManager::GetMaxClients()
   749 {
   750 	return m_maxClients;
   751 }
   752 
   753 CPlayer *PlayerManager::GetPlayerByIndex(int client) const
   754 {
   755 	if (client > m_maxClients || client < 1)
   756 	{
   757 		return NULL;
   758 	}
   759 	return &m_Players[client];
   760 }
   761 
   762 int PlayerManager::GetNumPlayers()
   763 {
   764 	return m_PlayerCount;
   765 }
   766 
   767 int PlayerManager::GetClientOfUserId(int userid)
   768 {
   769 	if (userid < 0 || userid > USHRT_MAX)
   770 	{
   771 		return 0;
   772 	}
   773 	
   774 	int client = m_UserIdLookUp[userid];
   775 
   776 	/* Verify the userid.  The cache can get messed up with older
   777 	 * Valve engines.  :TODO: If this gets fixed, do an old engine 
   778 	 * check before invoking this backwards compat code.
   779 	 */
   780 	if (client)
   781 	{
   782 		CPlayer *player = GetPlayerByIndex(client);
   783 		if (player && player->IsConnected())
   784 		{
   785 			int realUserId = engine->GetPlayerUserId(player->GetEdict());
   786 			if (realUserId == userid)
   787 			{
   788 				return client;
   789 			}
   790 		}
   791 	}
   792 
   793 	/* If we can't verify the userid, we have to do a manual loop */
   794 	CPlayer *player;
   795 	for (int i = 1; i <= m_maxClients; i++)
   796 	{
   797 		player = GetPlayerByIndex(i);
   798 		if (!player || !player->IsConnected())
   799 		{
   800 			continue;
   801 		}
   802 		if (engine->GetPlayerUserId(player->GetEdict()) == userid)
   803 		{
   804 			m_UserIdLookUp[userid] = i;
   805 			return i;
   806 		}
   807 	}
   808 
   809 	return 0;
   810 }
   811 
   812 void PlayerManager::AddClientListener(IClientListener *listener)
   813 {
   814 	m_hooks.push_back(listener);
   815 }
   816 
   817 void PlayerManager::RemoveClientListener(IClientListener *listener)
   818 {
   819 	m_hooks.remove(listener);
   820 }
   821 
   822 IGamePlayer *PlayerManager::GetGamePlayer(edict_t *pEdict)
   823 {
   824 	int index = IndexOfEdict(pEdict);
   825 	return GetGamePlayer(index);
   826 }
   827 
   828 IGamePlayer *PlayerManager::GetGamePlayer(int client)
   829 {
   830 	return GetPlayerByIndex(client);
   831 }
   832 
   833 void PlayerManager::ClearAdminId(AdminId id)
   834 {
   835 	for (int i=1; i<=m_maxClients; i++)
   836 	{
   837 		if (m_Players[i].m_Admin == id)
   838 		{
   839 			m_Players[i].DumpAdmin(true);
   840 		}
   841 	}
   842 }
   843 
   844 void PlayerManager::ClearAllAdmins()
   845 {
   846 	for (int i=1; i<=m_maxClients; i++)
   847 	{
   848 		m_Players[i].DumpAdmin(true);
   849 	}
   850 }
   851 
   852 const char *PlayerManager::GetPassInfoVar()
   853 {
   854 	return m_PassInfoVar.c_str();
   855 }
   856 
   857 void PlayerManager::RecheckAnyAdmins()
   858 {
   859 	for (int i=1; i<=m_maxClients; i++)
   860 	{
   861 		if (m_Players[i].IsInGame() && m_Players[i].IsAuthorized())
   862 		{
   863 			m_Players[i].DoBasicAdminChecks();
   864 		}
   865 	}
   866 }
   867 
   868 unsigned int PlayerManager::GetReplyTo()
   869 {
   870 	return g_ChatTriggers.GetReplyTo();
   871 }
   872 
   873 unsigned int PlayerManager::SetReplyTo(unsigned int reply)
   874 {
   875 	return g_ChatTriggers.SetReplyTo(reply);
   876 }
   877 
   878 int PlayerManager::FilterCommandTarget(IGamePlayer *pAdmin, IGamePlayer *pTarget, int flags)
   879 {
   880 	return InternalFilterCommandTarget((CPlayer *)pAdmin, (CPlayer *)pTarget, flags);
   881 }
   882 
   883 void PlayerManager::RegisterCommandTargetProcessor(ICommandTargetProcessor *pHandler)
   884 {
   885 	target_processors.push_back(pHandler);
   886 }
   887 
   888 void PlayerManager::UnregisterCommandTargetProcessor(ICommandTargetProcessor *pHandler)
   889 {
   890 	target_processors.remove(pHandler);
   891 }
   892 
   893 void PlayerManager::InvalidatePlayer(CPlayer *pPlayer)
   894 {
   895 	/**
   896 	* Remove client from auth queue if necessary
   897 	*/
   898 	if (!pPlayer->IsAuthorized())
   899 	{
   900 		for (unsigned int i=1; i<=m_AuthQueue[0]; i++)
   901 		{
   902 			if (m_AuthQueue[i] == (unsigned)pPlayer->m_iIndex)
   903 			{
   904 				/* Move everything ahead of us back by one */
   905 				for (unsigned int j=i+1; j<=m_AuthQueue[0]; j++)
   906 				{
   907 					m_AuthQueue[j-1] = m_AuthQueue[j];
   908 				}
   909 				/* Remove us and break */
   910 				m_AuthQueue[0]--;
   911 				break;
   912 			}
   913 		}
   914 	}
   915 	
   916 	m_UserIdLookUp[engine->GetPlayerUserId(pPlayer->m_pEdict)] = 0;
   917 	pPlayer->Disconnect();
   918 }
   919 
   920 int PlayerManager::InternalFilterCommandTarget(CPlayer *pAdmin, CPlayer *pTarget, int flags)
   921 {
   922 	if ((flags & COMMAND_FILTER_CONNECTED) == COMMAND_FILTER_CONNECTED
   923 		&& !pTarget->IsConnected())
   924 	{
   925 		return COMMAND_TARGET_NONE;
   926 	}
   927 	else if ((flags & COMMAND_FILTER_CONNECTED) != COMMAND_FILTER_CONNECTED && 
   928 		!pTarget->IsInGame())
   929 	{
   930 		return COMMAND_TARGET_NOT_IN_GAME;
   931 	}
   932 
   933 	if ((flags & COMMAND_FILTER_NO_BOTS) == COMMAND_FILTER_NO_BOTS
   934 		&& pTarget->IsFakeClient())
   935 	{
   936 		return COMMAND_TARGET_NOT_HUMAN;
   937 	}
   938 
   939 	if (pAdmin != NULL)
   940 	{
   941 		if ((flags & COMMAND_FILTER_NO_IMMUNITY) != COMMAND_FILTER_NO_IMMUNITY
   942 			&& !g_Admins.CanAdminTarget(pAdmin->GetAdminId(), pTarget->GetAdminId()))
   943 		{
   944 			return COMMAND_TARGET_IMMUNE;
   945 		}
   946 	}
   947 
   948 	if ((flags & COMMAND_FILTER_ALIVE) == COMMAND_FILTER_ALIVE 
   949 		&& pTarget->GetLifeState() != PLAYER_LIFE_ALIVE)
   950 	{
   951 		return COMMAND_TARGET_NOT_ALIVE;
   952 	}
   953 
   954 	if ((flags & COMMAND_FILTER_DEAD) == COMMAND_FILTER_DEAD
   955 		&& pTarget->GetLifeState() != PLAYER_LIFE_DEAD)
   956 	{
   957 		return COMMAND_TARGET_NOT_DEAD;
   958 	}
   959 
   960 	return COMMAND_TARGET_VALID;
   961 }
   962 
   963 void PlayerManager::ProcessCommandTarget(cmd_target_info_t *info)
   964 {
   965 	CPlayer *pTarget, *pAdmin;
   966 	int max_clients, total = 0;
   967 
   968 	max_clients = GetMaxClients();
   969 
   970 	if (info->max_targets < 1)
   971 	{
   972 		info->reason = COMMAND_TARGET_NONE;
   973 		info->num_targets = 0;
   974 	}
   975 
   976 	if (info->admin == 0)
   977 	{
   978 		pAdmin = NULL;
   979 	}
   980 	else
   981 	{
   982 		pAdmin = GetPlayerByIndex(info->admin);
   983 	}
   984 
   985 	if (info->pattern[0] == '#')
   986 	{
   987 		int userid = atoi(&info->pattern[1]);
   988 		int client = GetClientOfUserId(userid);
   989 
   990 		/* See if a valid userid matched */
   991 		if (client > 0)
   992 		{
   993 			IGamePlayer *pTarget = GetPlayerByIndex(client);
   994 			if (pTarget != NULL)
   995 			{
   996 				if ((info->reason = FilterCommandTarget(pAdmin, pTarget, info->flags)) == COMMAND_TARGET_VALID)
   997 				{
   998 					info->targets[0] = client;
   999 					info->num_targets = 1;
  1000 					strncopy(info->target_name, pTarget->GetName(), info->target_name_maxlength);
  1001 					info->target_name_style = COMMAND_TARGETNAME_RAW;
  1002 				}
  1003 				else
  1004 				{
  1005 					info->num_targets = 0;
  1006 				}
  1007 				return;
  1008 			}
  1009 		}
  1010 
  1011 		/* Do we need to look for a steam id? */
  1012 		if (strncmp(&info->pattern[1], "STEAM_", 6) == 0)
  1013 		{
  1014 			size_t p, len;
  1015 			char new_pattern[256];
  1016 
  1017 			strcpy(new_pattern, "STEAM_");
  1018 			len = strlen(&info->pattern[7]);
  1019 			for (p = 0; p < len; p++)
  1020 			{
  1021 				new_pattern[6 + p] = info->pattern[7 + p];
  1022 				if (new_pattern[6 + p] == '_')
  1023 				{
  1024 					new_pattern[6 + p] = ':';
  1025 				}
  1026 			}
  1027 			new_pattern[6 + p] = '\0';
  1028 
  1029 			for (int i = 1; i <= max_clients; i++)
  1030 			{
  1031 				if ((pTarget = GetPlayerByIndex(i)) == NULL)
  1032 				{
  1033 					continue;
  1034 				}
  1035 				if (!pTarget->IsConnected() || !pTarget->IsAuthorized())
  1036 				{
  1037 					continue;
  1038 				}
  1039 				if (strcmp(pTarget->GetAuthString(), new_pattern) == 0)
  1040 				{
  1041 					if ((info->reason = FilterCommandTarget(pAdmin, pTarget, info->flags))
  1042 						== COMMAND_TARGET_VALID)
  1043 					{
  1044 						info->targets[0] = i;
  1045 						info->num_targets = 1;
  1046 						strncopy(info->target_name, pTarget->GetName(), info->target_name_maxlength);
  1047 						info->target_name_style = COMMAND_TARGETNAME_RAW;
  1048 					}
  1049 					else
  1050 					{
  1051 						info->num_targets = 0;
  1052 					}
  1053 					return;
  1054 				}
  1055 			}
  1056 		}
  1057 
  1058 		/* See if an exact name matches */
  1059 		for (int i = 1; i <= max_clients; i++)
  1060 		{
  1061 			if ((pTarget = GetPlayerByIndex(i)) == NULL)
  1062 			{
  1063 				continue;
  1064 			}
  1065 			if  (!pTarget->IsConnected())
  1066 			{
  1067 				continue;
  1068 			}
  1069 			if (strcmp(pTarget->GetName(), &info->pattern[1]) == 0)
  1070 			{
  1071 				if ((info->reason = FilterCommandTarget(pAdmin, pTarget, info->flags))
  1072 					== COMMAND_TARGET_VALID)
  1073 				{
  1074 					info->targets[0] = i;
  1075 					info->num_targets = 1;
  1076 					strncopy(info->target_name, pTarget->GetName(), info->target_name_maxlength);
  1077 					info->target_name_style = COMMAND_TARGETNAME_RAW;
  1078 				}
  1079 				else
  1080 				{
  1081 					info->num_targets = 0;
  1082 				}
  1083 				return;
  1084 			}
  1085 		}
  1086 	}
  1087 
  1088 	if (strcmp(info->pattern, "@me") == 0 && info->admin != 0)
  1089 	{
  1090 		info->targets[0] = info->admin;
  1091 		info->num_targets = 1;
  1092 		strncopy(info->target_name, pAdmin->GetName(), info->target_name_maxlength);
  1093 		info->target_name_style = COMMAND_TARGETNAME_RAW;
  1094 		return;
  1095 	}
  1096 
  1097 	if ((info->flags & COMMAND_FILTER_NO_MULTI) != COMMAND_FILTER_NO_MULTI)
  1098 	{
  1099 		bool is_multi = false;
  1100 		bool bots_only = false;
  1101 		int skip_client = -1;
  1102 
  1103 		if (strcmp(info->pattern, "@all") == 0)
  1104 		{
  1105 			is_multi = true;
  1106 			strncopy(info->target_name, "all players", info->target_name_maxlength);
  1107 			info->target_name_style = COMMAND_TARGETNAME_ML;
  1108 		}
  1109 		else if (strcmp(info->pattern, "@dead") == 0)
  1110 		{
  1111 			is_multi = true;
  1112 			if ((info->flags & COMMAND_FILTER_ALIVE) == COMMAND_FILTER_ALIVE)
  1113 			{
  1114 				info->num_targets = 0;
  1115 				info->reason = COMMAND_TARGET_NOT_ALIVE;
  1116 				return;
  1117 			}
  1118 			info->flags |= COMMAND_FILTER_DEAD;
  1119 			strncopy(info->target_name, "all dead players", info->target_name_maxlength);
  1120 			info->target_name_style = COMMAND_TARGETNAME_ML;
  1121 		}
  1122 		else if (strcmp(info->pattern, "@alive") == 0)
  1123 		{
  1124 			is_multi = true;
  1125 			if ((info->flags & COMMAND_FILTER_DEAD) == COMMAND_FILTER_DEAD)
  1126 			{
  1127 				info->num_targets = 0;
  1128 				info->reason = COMMAND_TARGET_NOT_DEAD;
  1129 				return;
  1130 			}
  1131 			strncopy(info->target_name, "all alive players", info->target_name_maxlength);
  1132 			info->target_name_style = COMMAND_TARGETNAME_ML;
  1133 			info->flags |= COMMAND_FILTER_ALIVE;
  1134 		}
  1135 		else if (strcmp(info->pattern, "@bots") == 0)
  1136 		{
  1137 			is_multi = true;
  1138 			if ((info->flags & COMMAND_FILTER_NO_BOTS) == COMMAND_FILTER_NO_BOTS)
  1139 			{
  1140 				info->num_targets = 0;
  1141 				info->reason = COMMAND_FILTER_NO_BOTS;
  1142 				return;
  1143 			}
  1144 			strncopy(info->target_name, "all bots", info->target_name_maxlength);
  1145 			info->target_name_style = COMMAND_TARGETNAME_ML;
  1146 			bots_only = true;
  1147 		}
  1148 		else if (strcmp(info->pattern, "@humans") == 0)
  1149 		{
  1150 			is_multi = true;
  1151 			strncopy(info->target_name, "all humans", info->target_name_maxlength);
  1152 			info->target_name_style = COMMAND_TARGETNAME_ML;
  1153 			info->flags |= COMMAND_FILTER_NO_BOTS;
  1154 		}
  1155 		else if (strcmp(info->pattern, "@!me") == 0)
  1156 		{
  1157 			is_multi = true;
  1158 			strncopy(info->target_name, "all players", info->target_name_maxlength);
  1159 			info->target_name_style = COMMAND_TARGETNAME_ML;
  1160 			skip_client = info->admin;
  1161 		}
  1162 
  1163 		if (is_multi)
  1164 		{
  1165 			for (int i = 1; i <= max_clients && total < info->max_targets; i++)
  1166 			{
  1167 				if ((pTarget = GetPlayerByIndex(i)) == NULL)
  1168 				{
  1169 					continue;
  1170 				}
  1171 				if (FilterCommandTarget(pAdmin, pTarget, info->flags) > 0)
  1172 				{
  1173 					if ((!bots_only || pTarget->IsFakeClient())
  1174 						&& skip_client != i)
  1175 					{
  1176 						info->targets[total++] = i;
  1177 					}
  1178 				}
  1179 			}
  1180 
  1181 			info->num_targets = total;
  1182 			info->reason = (info->num_targets) ? COMMAND_TARGET_VALID : COMMAND_TARGET_EMPTY_FILTER;
  1183 			return;
  1184 		}
  1185 	}
  1186 
  1187 	List<ICommandTargetProcessor *>::iterator iter;
  1188 	for (iter = target_processors.begin(); iter != target_processors.end(); iter++)
  1189 	{
  1190 		ICommandTargetProcessor *pProcessor = (*iter);
  1191 		if (pProcessor->ProcessCommandTarget(info))
  1192 		{
  1193 			return;
  1194 		}
  1195 	}
  1196 
  1197 	/* Check partial names */
  1198 	int found_client = 0;
  1199 	CPlayer *pFoundClient = NULL;
  1200 	for (int i = 1; i <= max_clients; i++)
  1201 	{
  1202 		if ((pTarget = GetPlayerByIndex(i)) == NULL)
  1203 		{
  1204 			continue;
  1205 		}
  1206 
  1207 		if (stristr(pTarget->GetName(), info->pattern) != NULL)
  1208 		{
  1209 			if (found_client)
  1210 			{
  1211 				info->num_targets = 0;
  1212 				info->reason = COMMAND_TARGET_AMBIGUOUS;
  1213 				return;
  1214 			}
  1215 			else
  1216 			{
  1217 				found_client = i;
  1218 				pFoundClient = pTarget;
  1219 			}
  1220 		}
  1221 	}
  1222 
  1223 	if (found_client)
  1224 	{
  1225 		if ((info->reason = FilterCommandTarget(pAdmin, pFoundClient, info->flags)) 
  1226 			== COMMAND_TARGET_VALID)
  1227 		{
  1228 			info->targets[0] = found_client;
  1229 			info->num_targets = 1;
  1230 			strncopy(info->target_name, pFoundClient->GetName(), info->target_name_maxlength);
  1231 			info->target_name_style = COMMAND_TARGETNAME_RAW;
  1232 		}
  1233 		else
  1234 		{
  1235 			info->num_targets = 0;
  1236 		}
  1237 	}
  1238 	else
  1239 	{
  1240 		info->num_targets = 0;
  1241 		info->reason = COMMAND_TARGET_NONE;
  1242 	}
  1243 }
  1244 
  1245 void PlayerManager::OnConVarChanged( ConVar *pConVar, const char *oldValue, float flOldValue )
  1246 {
  1247 	if (pConVar->GetBool() && !atoi(oldValue))
  1248 	{
  1249 		MaxPlayersChanged(gpGlobals->maxClients + 1);
  1250 	}
  1251 	else
  1252 	{
  1253 		MaxPlayersChanged();
  1254 	}
  1255 }
  1256 
  1257 void PlayerManager::OnSourceModMaxPlayersChanged( int newvalue )
  1258 {
  1259 	m_maxClients = newvalue;
  1260 }
  1261 
  1262 void PlayerManager::MaxPlayersChanged( int newvalue /*= -1*/ )
  1263 {
  1264 	if (newvalue == -1)
  1265 	{
  1266 		newvalue = gpGlobals->maxClients;
  1267 	}
  1268 
  1269 	if (newvalue == MaxClients())
  1270 	{
  1271 		return;
  1272 	}
  1273 
  1274 	/* Notify the rest of core */
  1275 	SMGlobalClass *pBase = SMGlobalClass::head;
  1276 	while (pBase)
  1277 	{
  1278 		pBase->OnSourceModMaxPlayersChanged(newvalue);
  1279 		pBase = pBase->m_pGlobalClassNext;
  1280 	}
  1281 
  1282 	/* Notify Extensions */
  1283 	List<IClientListener *>::iterator iter;
  1284 	IClientListener *pListener = NULL;
  1285 	for (iter=m_hooks.begin(); iter!=m_hooks.end(); iter++)
  1286 	{
  1287 		pListener = (*iter);
  1288 		if (pListener->GetClientListenerVersion() >= 8)
  1289 		{
  1290 			pListener->OnMaxPlayersChanged(newvalue);
  1291 		}
  1292 	}
  1293 }
  1294 
  1295 #if SOURCE_ENGINE >= SE_ORANGEBOX
  1296 void CmdMaxplayersCallback(const CCommand &command)
  1297 {
  1298 #else
  1299 void CmdMaxplayersCallback()
  1300 {
  1301 #endif
  1302 
  1303 	g_Players.MaxPlayersChanged();
  1304 }
  1305 
  1306 
  1307 /*******************
  1308  *** PLAYER CODE ***
  1309  *******************/
  1310 
  1311 CPlayer::CPlayer()
  1312 {
  1313 	m_IsConnected = false;
  1314 	m_IsInGame = false;
  1315 	m_IsAuthorized = false;
  1316 	m_pEdict = NULL;
  1317 	m_Admin = INVALID_ADMIN_ID;
  1318 	m_TempAdmin = false;
  1319 	m_Info = NULL;
  1320 	m_bAdminCheckSignalled = false;
  1321 	m_bIsInKickQueue = false;
  1322 	m_LastPassword.clear();
  1323 	m_LangId = SOURCEMOD_LANGUAGE_ENGLISH;
  1324 	m_bFakeClient = false;
  1325 }
  1326 
  1327 void CPlayer::Initialize(const char *name, const char *ip, edict_t *pEntity)
  1328 {
  1329 	m_IsConnected = true;
  1330 	m_Name.assign(name);
  1331 	m_Ip.assign(ip);
  1332 	m_pEdict = pEntity;
  1333 	m_iIndex = IndexOfEdict(pEntity);
  1334 	m_LangId = g_Translator.GetServerLanguage();
  1335 
  1336 	char ip2[24], *ptr;
  1337 	strncopy(ip2, ip, sizeof(ip2));
  1338 	if ((ptr = strchr(ip2, ':')) != NULL)
  1339 	{
  1340 		*ptr = '\0';
  1341 	}
  1342 	m_IpNoPort.assign(ip2);
  1343 }
  1344 
  1345 void CPlayer::Connect()
  1346 {
  1347 	if (m_IsInGame)
  1348 	{
  1349 		return;
  1350 	}
  1351 
  1352 	m_IsInGame = true;
  1353 
  1354 	const char *var = g_Players.GetPassInfoVar();
  1355 	int client = IndexOfEdict(m_pEdict);
  1356 	if (var[0] != '\0')
  1357 	{
  1358 		const char *pass = engine->GetClientConVarValue(client, var);
  1359 		m_LastPassword.assign(pass ? pass : "");
  1360 	}
  1361 	else
  1362 	{
  1363 		m_LastPassword.assign("");
  1364 	}
  1365 }
  1366 
  1367 void CPlayer::Authorize(const char *steamid)
  1368 {
  1369 	if (m_IsAuthorized)
  1370 	{
  1371 		return;
  1372 	}
  1373 
  1374 	m_IsAuthorized = true;
  1375 	m_AuthID.assign(steamid);
  1376 }
  1377 
  1378 void CPlayer::Disconnect()
  1379 {
  1380 	DumpAdmin(false);
  1381 	m_IsConnected = false;
  1382 	m_IsInGame = false;
  1383 	m_IsAuthorized = false;
  1384 	m_Name.clear();
  1385 	m_Ip.clear();
  1386 	m_AuthID.clear();
  1387 	m_pEdict = NULL;
  1388 	m_Info = NULL;
  1389 	m_bAdminCheckSignalled = false;
  1390 	m_UserId = -1;
  1391 	m_bIsInKickQueue = false;
  1392 	m_bFakeClient = false;
  1393 }
  1394 
  1395 void CPlayer::SetName(const char *name)
  1396 {
  1397 	m_Name.assign(name);
  1398 }
  1399 
  1400 const char *CPlayer::GetName()
  1401 {
  1402 	if (m_Info && m_pEdict->GetUnknown())
  1403 	{
  1404 		return m_Info->GetName();
  1405 	}
  1406 	
  1407 	return m_Name.c_str();
  1408 }
  1409 
  1410 const char *CPlayer::GetIPAddress()
  1411 {
  1412 	return m_Ip.c_str();
  1413 }
  1414 
  1415 const char *CPlayer::GetAuthString()
  1416 {
  1417 	return m_AuthID.c_str();
  1418 }
  1419 
  1420 edict_t *CPlayer::GetEdict()
  1421 {
  1422 	return m_pEdict;
  1423 }
  1424 
  1425 bool CPlayer::IsInGame()
  1426 {
  1427 	return m_IsInGame && (m_pEdict->GetUnknown() != NULL);
  1428 }
  1429 
  1430 bool CPlayer::WasCountedAsInGame()
  1431 {
  1432 	return m_IsInGame;
  1433 }
  1434 
  1435 bool CPlayer::IsConnected()
  1436 {
  1437 	return m_IsConnected;
  1438 }
  1439 
  1440 bool CPlayer::IsAuthorized()
  1441 {
  1442 	return m_IsAuthorized;
  1443 }
  1444 
  1445 IPlayerInfo *CPlayer::GetPlayerInfo()
  1446 {
  1447 	if (m_pEdict->GetUnknown())
  1448 	{
  1449 		return m_Info;
  1450 	}
  1451 
  1452 	return NULL;
  1453 }
  1454 
  1455 bool CPlayer::IsFakeClient()
  1456 {
  1457 	return m_bFakeClient;
  1458 }
  1459 
  1460 void CPlayer::SetAdminId(AdminId id, bool temporary)
  1461 {
  1462 	if (!m_IsConnected)
  1463 	{
  1464 		return;
  1465 	}
  1466 
  1467 	DumpAdmin(false);
  1468 
  1469 	m_Admin = id;
  1470 	m_TempAdmin = temporary;
  1471 }
  1472 
  1473 AdminId CPlayer::GetAdminId()
  1474 {
  1475 	return m_Admin;
  1476 }
  1477 
  1478 void CPlayer::DumpAdmin(bool deleting)
  1479 {
  1480 	if (m_Admin != INVALID_ADMIN_ID)
  1481 	{
  1482 		if (m_TempAdmin && !deleting)
  1483 		{
  1484 			g_Admins.InvalidateAdmin(m_Admin);
  1485 		}
  1486 		m_Admin = INVALID_ADMIN_ID;
  1487 		m_TempAdmin = false;
  1488 	}
  1489 }
  1490 
  1491 void CPlayer::Kick(const char *str)
  1492 {
  1493 	MarkAsBeingKicked();
  1494 	INetChannel *pNetChan = static_cast<INetChannel *>(engine->GetPlayerNetInfo(m_iIndex));
  1495 	IClient *pClient = static_cast<IClient *>(pNetChan->GetMsgHandler());
  1496 	pClient->Disconnect("%s", str);
  1497 }
  1498 
  1499 void CPlayer::Authorize_Post()
  1500 {
  1501 	if (m_IsInGame)
  1502 	{
  1503 		DoPostConnectAuthorization();
  1504 	}
  1505 }
  1506 
  1507 void CPlayer::DoPostConnectAuthorization()
  1508 {
  1509 	bool delay = false;
  1510 
  1511 	List<IClientListener *>::iterator iter;
  1512 	for (iter = g_Players.m_hooks.begin();
  1513 		 iter != g_Players.m_hooks.end();
  1514 		 iter++)
  1515 	{
  1516 		IClientListener *pListener = (*iter);
  1517 #if defined MIN_API_FOR_ADMINCALLS
  1518 		if (pListener->GetClientListenerVersion() < MIN_API_FOR_ADMINCALLS)
  1519 		{
  1520 			continue;
  1521 		}
  1522 #endif
  1523 		if (!pListener->OnClientPreAdminCheck(m_iIndex))
  1524 		{
  1525 			delay = true;
  1526 		}
  1527 	}
  1528 	
  1529 	cell_t result = 0;
  1530 	PreAdminCheck->PushCell(m_iIndex);
  1531 	PreAdminCheck->Execute(&result);
  1532 
  1533 	/* Defer, for better or worse */
  1534 	if (delay || (ResultType)result >= Pl_Handled)
  1535 	{
  1536 		return;
  1537 	}
  1538 
  1539 	/* Sanity check */
  1540 	if (!IsConnected())
  1541 	{
  1542 		return;
  1543 	}
  1544 
  1545 	/* Otherwise, go ahead and do admin checks */
  1546 	DoBasicAdminChecks();
  1547 
  1548 	/* Send the notification out */
  1549 	NotifyPostAdminChecks();
  1550 }
  1551 
  1552 bool CPlayer::RunAdminCacheChecks()
  1553 {
  1554 	AdminId old_id = GetAdminId();
  1555 
  1556 	DoBasicAdminChecks();
  1557 
  1558 	return (GetAdminId() != old_id);
  1559 }
  1560 
  1561 void CPlayer::NotifyPostAdminChecks()
  1562 {
  1563 	if (m_bAdminCheckSignalled)
  1564 	{
  1565 		return;
  1566 	}
  1567 
  1568 	/* Block beforehand so they can't double-call */
  1569 	m_bAdminCheckSignalled = true;
  1570 
  1571 	List<IClientListener *>::iterator iter;
  1572 	for (iter = g_Players.m_hooks.begin();
  1573 		iter != g_Players.m_hooks.end();
  1574 		iter++)
  1575 	{
  1576 		IClientListener *pListener = (*iter);
  1577 #if defined MIN_API_FOR_ADMINCALLS
  1578 		if (pListener->GetClientListenerVersion() < MIN_API_FOR_ADMINCALLS)
  1579 		{
  1580 			continue;
  1581 		}
  1582 #endif
  1583 		pListener->OnClientPostAdminCheck(m_iIndex);
  1584 	}
  1585 
  1586 	PostAdminFilter->PushCell(m_iIndex);
  1587 	PostAdminFilter->Execute(NULL);
  1588 
  1589 	PostAdminCheck->PushCell(m_iIndex);
  1590 	PostAdminCheck->Execute(NULL);
  1591 }
  1592 
  1593 void CPlayer::DoBasicAdminChecks()
  1594 {
  1595 	if (GetAdminId() != INVALID_ADMIN_ID)
  1596 	{
  1597 		return;
  1598 	}
  1599 
  1600 	/* First check the name */
  1601 	AdminId id;
  1602 	int client = IndexOfEdict(m_pEdict);
  1603 
  1604 	if ((id = g_Admins.FindAdminByIdentity("name", GetName())) != INVALID_ADMIN_ID)
  1605 	{
  1606 		if (!g_Players.CheckSetAdminName(client, this, id))
  1607 		{
  1608 			int userid = engine->GetPlayerUserId(m_pEdict);
  1609 			g_Timers.CreateTimer(&s_KickPlayerTimer, 0.1f, (void *)userid, 0);
  1610 		}
  1611 		return;
  1612 	}
  1613 	
  1614 	/* Check IP */
  1615 	if ((id = g_Admins.FindAdminByIdentity("ip", m_IpNoPort.c_str())) != INVALID_ADMIN_ID)
  1616 	{
  1617 		if (g_Players.CheckSetAdmin(client, this, id))
  1618 		{
  1619 			return;
  1620 		}
  1621 	}
  1622 
  1623 	/* Check IP address */
  1624 	if ((id = g_Admins.FindAdminByIdentity("steam", m_AuthID.c_str())) != INVALID_ADMIN_ID)
  1625 	{
  1626 		if (g_Players.CheckSetAdmin(client, this, id))
  1627 		{
  1628 			return;
  1629 		}
  1630 	}
  1631 }
  1632 
  1633 unsigned int CPlayer::GetLanguageId()
  1634 {
  1635 	return m_LangId;
  1636 }
  1637 
  1638 int CPlayer::GetUserId()
  1639 {
  1640 	if (m_UserId == -1)
  1641 	{
  1642 		m_UserId = engine->GetPlayerUserId(GetEdict());
  1643 	}
  1644 
  1645 	return m_UserId;
  1646 }
  1647 
  1648 bool CPlayer::IsInKickQueue()
  1649 {
  1650 	return m_bIsInKickQueue;
  1651 }
  1652 
  1653 void CPlayer::MarkAsBeingKicked()
  1654 {
  1655 	m_bIsInKickQueue = true;
  1656 }
  1657 
  1658 int CPlayer::GetLifeState()
  1659 {
  1660 	if (lifestate_offset == -1)
  1661 	{
  1662 		if (!g_pGameConf->GetOffset("m_lifeState", &lifestate_offset))
  1663 		{
  1664 			lifestate_offset = -2;
  1665 		}
  1666 	}
  1667 
  1668 	if (lifestate_offset < 0)
  1669 	{
  1670 		IPlayerInfo *info = GetPlayerInfo();
  1671 		if (info == NULL)
  1672 		{
  1673 			return PLAYER_LIFE_UNKNOWN;
  1674 		}
  1675 		return info->IsDead() ? PLAYER_LIFE_DEAD : PLAYER_LIFE_ALIVE;
  1676 	}
  1677 
  1678 	if (m_pEdict == NULL)
  1679 	{
  1680 		return PLAYER_LIFE_UNKNOWN;
  1681 	}
  1682 
  1683 	CBaseEntity *pEntity;
  1684 	IServerUnknown *pUnknown = m_pEdict->GetUnknown();
  1685 	if (pUnknown == NULL || (pEntity = pUnknown->GetBaseEntity()) == NULL)
  1686 	{
  1687 		return PLAYER_LIFE_UNKNOWN;
  1688 	}
  1689 
  1690 	if (*((uint8_t *)pEntity + lifestate_offset) == LIFE_ALIVE)
  1691 	{
  1692 		return PLAYER_LIFE_ALIVE;
  1693 	}
  1694 	else
  1695 	{
  1696 		return PLAYER_LIFE_DEAD;
  1697 	}
  1698 }