plugins/include/clients.inc
author Nicholas Hastings <skamonkey@gmail.com>
Sun Mar 17 11:39:04 2013 -0400 (2013-03-17)
changeset 3833 7563b32966af
parent 3825 ecd2382ca37e
child 3967 ceafb87d38a7
permissions -rw-r--r--
Moved PCRE_STATIC def in Regex ext to extension instead of modifying pcre header (bug 5593).
     1 /**
     2  * vim: set ts=4 :
     3  * =============================================================================
     4  * SourceMod (C)2004-2008 AlliedModders LLC.  All rights reserved.
     5  * =============================================================================
     6  *
     7  * This file is part of the SourceMod/SourcePawn SDK.
     8  *
     9  * This program is free software; you can redistribute it and/or modify it under
    10  * the terms of the GNU General Public License, version 3.0, as published by the
    11  * Free Software Foundation.
    12  * 
    13  * This program is distributed in the hope that it will be useful, but WITHOUT
    14  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    15  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
    16  * details.
    17  *
    18  * You should have received a copy of the GNU General Public License along with
    19  * this program.  If not, see <http://www.gnu.org/licenses/>.
    20  *
    21  * As a special exception, AlliedModders LLC gives you permission to link the
    22  * code of this program (as well as its derivative works) to "Half-Life 2," the
    23  * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
    24  * by the Valve Corporation.  You must obey the GNU General Public License in
    25  * all respects for all other code used.  Additionally, AlliedModders LLC grants
    26  * this exception to all derivative works.  AlliedModders LLC defines further
    27  * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
    28  * or <http://www.sourcemod.net/license.php>.
    29  *
    30  * Version: $Id$
    31  */
    32 
    33 #if defined _clients_included
    34  #endinput
    35 #endif
    36 #define _clients_included
    37 
    38 /**
    39  * Network flow directions.
    40  */
    41 enum NetFlow
    42 {
    43 	NetFlow_Outgoing = 0,	/**< Outgoing traffic */
    44 	NetFlow_Incoming,		/**< Incoming traffic */
    45 	NetFlow_Both,			/**< Both values added together */
    46 };
    47 
    48 /**
    49  * MAXPLAYERS is not the same as MaxClients.
    50  * MAXPLAYERS is a hardcoded value as an upper limit.  MaxClients changes based on the server.
    51  *
    52  * Both GetMaxClients() and MaxClients are only available once the map is loaded, and should 
    53  * not be used in OnPluginStart().
    54  */
    55 
    56 #define MAXPLAYERS		65	/**< Maximum number of players SourceMod supports */
    57 #define MAX_NAME_LENGTH 32	/**< Maximum buffer required to store a client name */
    58 
    59 public const MaxClients;	/**< Maximum number of players the server supports (dynamic) */
    60 
    61 /**
    62  * Called on client connection.  If you return true, the client will be allowed in the server.
    63  * If you return false (or return nothing), the client will be rejected.  If the client is 
    64  * rejected by this forward or any other, OnClientDisconnect will not be called.
    65  *
    66  * Note: Do not write to rejectmsg if you plan on returning true.  If multiple plugins write
    67  * to the string buffer, it is not defined which plugin's string will be shown to the client,
    68  * but it is guaranteed one of them will.
    69  *
    70  * @param client		Client index.
    71  * @param rejectmsg		Buffer to store the rejection message when the connection is refused.
    72  * @param maxlen		Maximum number of characters for rejection buffer.
    73  * @return				True to validate client's connection, false to refuse it.
    74  */
    75 forward bool:OnClientConnect(client, String:rejectmsg[], maxlen);
    76 
    77 /**
    78  * Called once a client successfully connects.  This callback is paired with OnClientDisconnect.
    79  *
    80  * @param client		Client index.
    81  * @noreturn
    82  */
    83 forward OnClientConnected(client);
    84 
    85 /**
    86  * Called when a client is entering the game.
    87  *
    88  * Whether a client has a steamid is undefined until OnClientAuthorized
    89  * is called, which may occur either before or after OnClientPutInServer.
    90  * Similarly, use OnClientPostAdminCheck() if you need to verify whether 
    91  * connecting players are admins.
    92  *
    93  * GetClientCount() will include clients as they are passed through this 
    94  * function, as clients are already in game at this point.
    95  *
    96  * @param client		Client index.
    97  * @noreturn
    98  */
    99 forward OnClientPutInServer(client);
   100 
   101 /**
   102  * Called when a client is disconnecting from the server.
   103  *
   104  * @param client		Client index.
   105  * @noreturn
   106  */
   107 forward OnClientDisconnect(client);
   108 
   109 /**
   110  * Called when a client is disconnected from the server.
   111  *
   112  * @param client		Client index.
   113  * @noreturn
   114  */
   115 forward OnClientDisconnect_Post(client);
   116 
   117 /**
   118  * Called when a client is sending a command.
   119  *
   120  * As of SourceMod 1.3, the client is guaranteed to be in-game.
   121  * Use command listeners (console.inc) for more advanced hooks.
   122  *
   123  * @param client		Client index.
   124  * @param args			Number of arguments.
   125  * @noreturn
   126  */
   127 forward Action:OnClientCommand(client, args);
   128 
   129 /**
   130  * Called whenever the client's settings are changed.
   131  *
   132  * @param client		Client index.
   133  * @noreturn
   134  */
   135 forward OnClientSettingsChanged(client);
   136 
   137 /**
   138  * Called when a client receives a Steam ID.  The state of a client's 
   139  * authorization as an admin is not guaranteed here.  Use 
   140  * OnClientPostAdminCheck() if you need a client's admin status.
   141  *
   142  * This is called by bots, but the ID will be "BOT".
   143  *
   144  * @param client		Client index.
   145  * @param auth			Client auth string.
   146  * @noreturn
   147  */
   148 forward OnClientAuthorized(client, const String:auth[]);
   149 
   150 /**
   151  * Called once a client is authorized and fully in-game, but 
   152  * before admin checks are done.  This can be used to override 
   153  * the default admin checks for a client.  You should only use 
   154  * this for overriding; use OnClientPostAdminCheck() instead 
   155  * if you want notification.
   156  *
   157  * Note: If handled/blocked, PostAdminCheck must be signalled 
   158  * manually via NotifyPostAdminCheck().
   159  *
   160  * This callback is gauranteed to occur on all clients, and always 
   161  * after each OnClientPutInServer() call.
   162  *
   163  * @param client		Client index.
   164  * @return				Plugin_Handled to block admin checks.
   165  */
   166 forward Action:OnClientPreAdminCheck(client);
   167 
   168 /**
   169  * Called directly before OnClientPostAdminCheck() as a method to 
   170  * alter administrative permissions before plugins perform final 
   171  * post-connect operations.  
   172  *
   173  * In general, do not use this function unless you are specifically 
   174  * attempting to change access permissions.  Use OnClientPostAdminCheck() 
   175  * instead if you simply want to perform post-connect authorization 
   176  * routines.
   177  *
   178  * See OnClientPostAdminCheck() for more information.
   179  *
   180  * @param client		Client index.
   181  * @noreturn
   182  */
   183 forward OnClientPostAdminFilter(client);
   184 
   185 /**
   186  * Called once a client is authorized and fully in-game, and 
   187  * after all post-connection authorizations have been performed.  
   188  *
   189  * This callback is gauranteed to occur on all clients, and always 
   190  * after each OnClientPutInServer() call.
   191  *
   192  * @param client		Client index.
   193  * @noreturn
   194  */
   195 forward OnClientPostAdminCheck(client);
   196 
   197 /**
   198  * This function will be deprecated in a future release.  Use the MaxClients variable instead.
   199  *
   200  * Returns the maximum number of clients allowed on the server.  This may 
   201  * return 0 if called before OnMapStart(), and thus should not be called 
   202  * in OnPluginStart().  
   203  *
   204  * You should not globally cache the value to GetMaxClients() because it can change from 
   205  * SourceTV or TF2's arena mode.  Use the "MaxClients" dynamic variable documented at the 
   206  * top of this file.
   207  *
   208  * @return				Maximum number of clients allowed.
   209  */
   210 native GetMaxClients();
   211 
   212 /**
   213  * Returns the maximum number of human players allowed on the server.  This is 
   214  * a game-specific function used on newer games to limit the number of humans
   215  * that can join a game and can be lower than MaxClients. It is the number often
   216  * reflected in the server browser or when viewing the output of the status command.
   217  * On unsupported games or modes without overrides, it will return the same value
   218  * as MaxClients.
   219  *
   220  * You should not globally cache the value to GetMaxHumanPlayers() because it can change across
   221  * game modes. You may still cache it locally.
   222  *
   223  * @return				Maximum number of humans allowed.
   224  */
   225 native GetMaxHumanPlayers();
   226 
   227 /**
   228  * Returns the client count put in the server.
   229  *
   230  * @param inGameOnly	If false connecting players are also counted.
   231  * @return				Client count in the server.
   232  */
   233 native GetClientCount(bool:inGameOnly=true);
   234 
   235 /**
   236  * Returns the client's name.
   237  *
   238  * @param client		Player index.
   239  * @param name			Buffer to store the client's name.
   240  * @param maxlen		Maximum length of string buffer (includes NULL terminator).
   241  * @return				True on success, false otherwise.
   242  * @error				If the client is not connected an error will be thrown.
   243  */
   244 native bool:GetClientName(client, String:name[], maxlen);
   245 
   246 /**
   247  * Retrieves a client's IP address.
   248  *
   249  * @param client		Player index.
   250  * @param name			Buffer to store the client's ip address.
   251  * @param maxlen		Maximum length of string buffer (includes NULL terminator).
   252  * @param remport		Remove client's port from the ip string (true by default).
   253  * @return				True on success, false otherwise.
   254  * @error				If the client is not connected or the index is invalid.
   255  */
   256 native bool:GetClientIP(client, String:ip[], maxlen, bool:remport=true);
   257 
   258 /**
   259  * Retrieves a client's authentication string (SteamID).
   260  *
   261  * @param client		Player index.
   262  * @param auth			Buffer to store the client's auth string.
   263  * @param maxlen		Maximum length of string buffer (includes NULL terminator).
   264  * @param validate		Check backend validation status.
   265  * 				DO NOT PASS FALSE UNLESS YOU UNDERSTAND THE CONSEQUENCES,
   266  *			        You WILL KNOW if you need to use this, MOST WILL NOT.
   267  * @return				True on success, false otherwise.
   268  * @error				If the client is not connected or the index is invalid.
   269  */
   270 native bool:GetClientAuthString(client, String:auth[], maxlen, bool:validate=true);
   271 
   272 /**
   273  * Returns the client's Steam account ID.
   274  *
   275  * @param client		Client Index.
   276  * @param validate		Check backend validation status.
   277  * 				DO NOT PASS FALSE UNLESS YOU UNDERSTAND THE CONSEQUENCES,
   278  *			        You WILL KNOW if you need to use this, MOST WILL NOT.
   279  * @return				Steam account ID or 0 if not available.
   280  * @error				If the client is not connected or the index is invalid.
   281  */
   282 native GetSteamAccountID(client, bool:validate=true);
   283 
   284 /**
   285  * Retrieves a client's user id, which is an index incremented for every client
   286  * that joins the server.
   287  *
   288  * @param client		Player index.
   289  * @return				User id of the client.
   290  * @error 				If the client is not connected or the index is invalid.
   291  */
   292 native GetClientUserId(client);
   293 
   294 /**
   295  * Returns if a certain player is connected.
   296  *
   297  * @param client		Player index.
   298  * @return				True if player is connected to the server, false otherwise.
   299  */
   300 native bool:IsClientConnected(client);
   301 
   302 /**
   303  * Returns if a certain player has entered the game.
   304  *
   305  * @param client		Player index (index does not have to be connected).
   306  * @return				True if player has entered the game, false otherwise.
   307  * @error				Invalid client index.
   308  */
   309 native bool:IsClientInGame(client);
   310 
   311 /**
   312  * Returns if a client is in the "kick queue" (i.e. the client will be kicked 
   313  * shortly and thus they should not appear as valid).
   314  *
   315  * @param client		Player index (must be connected).
   316  * @return				True if in the kick queue, false otherwise.
   317  * @error				Invalid client index.
   318  */
   319 native bool:IsClientInKickQueue(client);
   320 
   321 /**
   322  * Backwards compatibility stock - use IsClientInGame
   323  * @deprecated			Renamed to IsClientInGame
   324  */
   325 #pragma deprecated Use IsClientInGame() instead
   326 stock bool:IsPlayerInGame(client)
   327 {
   328 	return IsClientInGame(client);
   329 }
   330 
   331 /**
   332  * Returns if a certain player has been authenticated.
   333  *
   334  * @param client		Player index.
   335  * @return				True if player has been authenticated, false otherwise.
   336  */
   337 native bool:IsClientAuthorized(client);
   338 
   339 /**
   340  * Returns if a certain player is a fake client.
   341  *
   342  * @param client		Player index.
   343  * @return				True if player is a fake client, false otherwise.
   344  */
   345 native bool:IsFakeClient(client);
   346 
   347 /**
   348  * Returns if a certain player is the SourceTV bot.
   349  *
   350  * @param client		Player index.
   351  * @return				True if player is the SourceTV bot, false otherwise.
   352  */
   353 native bool:IsClientSourceTV(client);
   354 
   355 /**
   356  * Returns if a certain player is the Replay bot.
   357  *
   358  * @param client		Player index.
   359  * @return				True if player is the Replay bot, false otherwise.
   360  */
   361 native bool:IsClientReplay(client);
   362 
   363 /**
   364  * Returns if a certain player is an observer/spectator.
   365  *
   366  * @param client		Player index.
   367  * @return				True if player is an obverser, false otherwise.
   368  */
   369 native bool:IsClientObserver(client);
   370 
   371 /**
   372  * Returns if the client is alive or dead.
   373  *
   374  * Note: This function was originally in SDKTools and was moved to core.
   375  *
   376  * @param client		Player's index.
   377  * @return				True if the client is alive, false otherwise.
   378  * @error				Invalid client index, client not in game, or no mod support.
   379  */
   380 native bool:IsPlayerAlive(client);
   381 
   382 /**
   383  * Retrieves values from client replicated keys.
   384  *
   385  * @param client		Player's index.
   386  * @param key			Key string.
   387  * @param value			Buffer to store value.
   388  * @param maxlen		Maximum length of valve (UTF-8 safe).
   389  * @return 				True on success, false otherwise.
   390  * @error				Invalid client index, or client not connected.
   391  */
   392 native bool:GetClientInfo(client, const String:key[], String:value[], maxlen);
   393 
   394 /**
   395  * Retrieves a client's team index.
   396  *
   397  * @param client		Player's index.
   398  * @return				Team index the client is on (mod specific).
   399  * @error				Invalid client index, client not in game, or no mod support.
   400  */
   401 native GetClientTeam(client);
   402  
   403 /**
   404  * Sets a client's AdminId.  
   405  *
   406  * @param client		Player's index.
   407  * @param id			AdminId to set.  INVALID_ADMIN_ID removes admin permissions.
   408  * @param temp			True if the id should be freed on disconnect.
   409  * @noreturn
   410  * @error				Invalid client index, client not connected, or bogus AdminId.
   411  */
   412 native SetUserAdmin(client, AdminId:id, bool:temp=false);
   413 
   414 /**
   415  * Retrieves a client's AdminId.
   416  *
   417  * @param client		Player's index.
   418  * @return				AdminId of the client, or INVALID_ADMIN_ID if none.
   419  * @error				Invalid client index, or client not connected.
   420  */
   421 native AdminId:GetUserAdmin(client);
   422 
   423 /**
   424  * Sets access flags on a client.  If the client is not an admin,
   425  * a temporary, anonymous AdminId is given.
   426  *
   427  * @param client		Player's index.
   428  * @param ...			Flags to set on the client.
   429  * @noreturn
   430  * @error				Invalid client index, or client not connected.
   431  */
   432 native AddUserFlags(client, AdminFlag:...);
   433 
   434 /**
   435  * Removes flags from a client.  If the client is not an admin,
   436  * this has no effect.
   437  *
   438  * @param client		Player's index.
   439  * @param ...			Flags to remove from the client.
   440  * @noreturn
   441  * @error				Invalid client index, or client not connected.
   442  */
   443 native RemoveUserFlags(client, AdminFlag:...);
   444 
   445 /** 
   446  * Sets access flags on a client using bits instead of flags.  If the
   447  * client is not an admin, and flags not 0, a temporary, anonymous AdminId is given.
   448  *
   449  * @param client		Player's index.
   450  * @param flags			Bitstring of flags to set on client.
   451  * @noreturn
   452  */
   453 native SetUserFlagBits(client, flags);
   454 
   455 /**
   456  * Returns client access flags.  If the client is not an admin,
   457  * the result is always 0.
   458  * 
   459  * @param client		Player's index.
   460  * @return				Flags
   461  * @error				Invalid client index, or client not connected.
   462  */
   463 native GetUserFlagBits(client);
   464 
   465 /**
   466  * Returns whether a user can target another user.
   467  * This is a helper function for CanAdminTarget.
   468  *
   469  * @param client		Player's index.
   470  * @param target		Target player's index.
   471  * @return				True if target is targettable by the player, false otherwise.
   472  * @error				Invalid or unconnected player indexers.
   473  */
   474 native bool:CanUserTarget(client, target);
   475 
   476 /**
   477  * Runs through the Core-defined admin authorization checks on a player.
   478  * Has no effect if the player is already an admin.
   479  *
   480  * Note: This function is based on the internal cache only.
   481  *
   482  * @param client		Client index.
   483  * @return				True if access was changed, false if it did not.
   484  * @error				Invalid client index or client not in-game AND authorized.
   485  */
   486 native bool:RunAdminCacheChecks(client);
   487 
   488 /**
   489  * Signals that a player has completed post-connection admin checks.
   490  * Has no effect if the player has already had this event signalled.
   491  *
   492  * Note: This must be sent even if no admin id was assigned.
   493  *
   494  * @param client		Client index.
   495  * @noreturn
   496  * @error				Invalid client index or client not in-game AND authorized.
   497  */
   498 native NotifyPostAdminCheck(client);
   499 
   500 /** 
   501  * Creates a fake client.
   502  *
   503  * @param name			Name to use.
   504  * @return				Client index on success, 0 otherwise.
   505  */
   506 native CreateFakeClient(const String:name[]);
   507 
   508 /**
   509  * Sets a convar value on a fake client.
   510  *
   511  * @param client		Client index.
   512  * @param cvar			ConVar name.
   513  * @param value			ConVar value.
   514  * @noreturn
   515  * @error				Invalid client index, client not connected,
   516  *						or client not a fake client.
   517  */
   518 native SetFakeClientConVar(client, const String:cvar[], const String:value[]);
   519 
   520 /**
   521  * Returns the client's health.
   522  *
   523  * @param client		Player's index.
   524  * @return				Health value.
   525  * @error				Invalid client index, client not in game, or no mod support.
   526  */
   527 native GetClientHealth(client);
   528 
   529 /**
   530  * Returns the client's model name.
   531  *
   532  * @param client		Player's index.
   533  * @param model			Buffer to store the client's model name.
   534  * @param maxlen		Maximum length of string buffer (includes NULL terminator).
   535  * @noreturn
   536  * @error				Invalid client index, client not in game, or no mod support.
   537  */
   538 native GetClientModel(client, String:model[], maxlen);
   539 
   540 /**
   541  * Returns the client's weapon name.
   542  *
   543  * @param client		Player's index.
   544  * @param weapon		Buffer to store the client's weapon name.
   545  * @param maxlen		Maximum length of string buffer (includes NULL terminator).
   546  * @noreturn
   547  * @error				Invalid client index, client not in game, or no mod support.
   548  */
   549 native GetClientWeapon(client, String:weapon[], maxlen);
   550 
   551 /**
   552  * Returns the client's max size vector.
   553  *
   554  * @param client		Player's index.
   555  * @param vec			Destination vector to store the client's max size.
   556  * @noreturn
   557  * @error				Invalid client index, client not in game, or no mod support.
   558  */
   559 native GetClientMaxs(client, Float:vec[3]);
   560 
   561 /**
   562  * Returns the client's min size vector.
   563  *
   564  * @param client		Player's index.
   565  * @param vec			Destination vector to store the client's min size.
   566  * @noreturn
   567  * @error				Invalid client index, client not in game, or no mod support.
   568  */
   569 native GetClientMins(client, Float:vec[3]);
   570 
   571 /**
   572  * Returns the client's position angle.
   573  *
   574  * @param client		Player's index.
   575  * @param ang			Destination vector to store the client's position angle.
   576  * @noreturn
   577  * @error				Invalid client index, client not in game, or no mod support.
   578  */
   579 native GetClientAbsAngles(client, Float:ang[3]);
   580 
   581 /**
   582  * Returns the client's origin vector.
   583  *
   584  * @param client		Player's index.
   585  * @param vec			Destination vector to store the client's origin vector.
   586  * @noreturn
   587  * @error				Invalid client index, client not in game, or no mod support.
   588  */
   589 native GetClientAbsOrigin(client, Float:vec[3]);
   590 
   591 /**
   592  * Returns the client's armor.
   593  *
   594  * @param client		Player's index.
   595  * @return				Armor value.
   596  * @error				Invalid client index, client not in game, or no mod support.
   597  */
   598 native GetClientArmor(client);
   599 
   600 /**
   601  * Returns the client's death count.
   602  *
   603  * @param client		Player's index.
   604  * @return				Death count.
   605  * @error				Invalid client index, client not in game, or no mod support.
   606  */
   607 native GetClientDeaths(client);
   608 
   609 /**
   610  * Returns the client's frag count.
   611  *
   612  * @param client		Player's index.
   613  * @return				Frag count.
   614  * @error				Invalid client index, client not in game, or no mod support.
   615  */
   616 native GetClientFrags(client);
   617 
   618 /**
   619  * Returns the client's send data rate in bytes/sec.
   620  *
   621  * @param client		Player's index.
   622  * @return				Data rate.
   623  * @error				Invalid client index, client not in game, or fake client.
   624  */
   625 native GetClientDataRate(client);
   626 
   627 /**
   628  * Returns if a client is timing out
   629  *
   630  * @param client		Player's index.
   631  * @return				True if client is timing out, false otherwise.
   632  * @error				Invalid client index, client not in game, or fake client.
   633  */
   634 native bool:IsClientTimingOut(client);
   635 
   636 /**
   637  * Returns the client's connection time in seconds.
   638  *
   639  * @param client		Player's index.
   640  * @return				Connection time.
   641  * @error				Invalid client index, client not in game, or fake client.
   642  */
   643 native Float:GetClientTime(client);
   644 
   645 /**
   646  * Returns the client's current latency (RTT), more accurate than GetAvgLatency but jittering.
   647  *
   648  * @param client		Player's index.
   649  * @param flow			Traffic flowing direction.
   650  * @return				Latency, or -1 if network info is not available.
   651  * @error				Invalid client index, client not in game, or fake client.
   652  */
   653 native Float:GetClientLatency(client, NetFlow:flow);
   654 
   655 /**
   656  * Returns the client's average packet latency in seconds.
   657  *
   658  * @param client		Player's index.
   659  * @param flow			Traffic flowing direction.
   660  * @return				Latency, or -1 if network info is not available.
   661  * @error				Invalid client index, client not in game, or fake client.
   662  */
   663 native Float:GetClientAvgLatency(client, NetFlow:flow);
   664 
   665 /**
   666  * Returns the client's average packet loss, values go from 0 to 1 (for percentages).
   667  *
   668  * @param client		Player's index.
   669  * @param flow			Traffic flowing direction.
   670  * @return				Average packet loss, or -1 if network info is not available.
   671  * @error				Invalid client index, client not in game, or fake client.
   672  */
   673 native Float:GetClientAvgLoss(client, NetFlow:flow);
   674 
   675 /**
   676  * Returns the client's average packet choke, values go from 0 to 1 (for percentages).
   677  *
   678  * @param client		Player's index.
   679  * @param flow			Traffic flowing direction.
   680  * @return				Average packet loss, or -1 if network info is not available.
   681  * @error				Invalid client index, client not in game, or fake client.
   682  */
   683 native Float:GetClientAvgChoke(client, NetFlow:flow);
   684 
   685 /**
   686  * Returns the client's data flow in bytes/sec.
   687  *
   688  * @param client		Player's index.
   689  * @param flow			Traffic flowing direction.
   690  * @return				Data flow.
   691  * @error				Invalid client index, client not in game, or fake client.
   692  */
   693 native Float:GetClientAvgData(client, NetFlow:flow);
   694 
   695 /**
   696  * Returns the client's average packet frequency in packets/sec.
   697  *
   698  * @param client		Player's index.
   699  * @param flow			Traffic flowing direction.
   700  * @return				Packet frequency.
   701  * @error				Invalid client index, client not in game, or fake client.
   702  */
   703 native Float:GetClientAvgPackets(client, NetFlow:flow);
   704 
   705 /**
   706  * Translates an userid index to the real player index.
   707  *
   708  * @param userid		Userid value.
   709  * @return				Client value.
   710  * @error				Returns 0 if invalid userid.
   711  */
   712 native GetClientOfUserId(userid);
   713 
   714 /**
   715  * Disconnects a client from the server as soon as the next frame starts.
   716  *
   717  * Note: Originally, KickClient() was immediate.  The delay was introduced 
   718  * because despite warnings, plugins were using it in ways that would crash. 
   719  * The new safe version can break cases that rely on immediate disconnects, 
   720  * but ensures that plugins do not accidentally cause crashes.
   721  *
   722  * If you need immediate disconnects, use KickClientEx().
   723  *
   724  * Note: IsClientInKickQueue() will return true before the kick occurs.
   725  *
   726  * @param client		Client index.
   727  * @param format		Optional formatting rules for disconnect reason.
   728  *                      Note that a period is automatically appended to the string by the engine.
   729  * @param ...			Variable number of format parameters.
   730  * @noreturn
   731  * @error				Invalid client index, or client not connected.
   732  */
   733 native KickClient(client, const String:format[]="", any:...);
   734 
   735 /**
   736  * Immediately disconnects a client from the server.
   737  *
   738  * Kicking clients from certain events or callbacks may cause crashes.  If in 
   739  * doubt, create a short (0.1 second) timer to kick the client in the next 
   740  * available frame.
   741  *
   742  * @param client		Client index.
   743  * @param format		Optional formatting rules for disconnect reason.
   744  *                      Note that a period is automatically appended to the string by the engine.
   745  * @param ...			Variable number of format parameters.
   746  * @noreturn
   747  * @error				Invalid client index, or client not connected.
   748  */
   749 native KickClientEx(client, const String:format[]="", any:...);
   750 
   751 /**
   752  * Changes a client's team through the mod's generic team changing function.
   753  * On CS:S, this will kill the player.
   754  *
   755  * @param client		Client index.
   756  * @param team			Mod-specific team index.
   757  * @noreturn
   758  * @error				Invalid client index, client not connected, or lack of 
   759  *						mod support.
   760  */
   761 native ChangeClientTeam(client, team);
   762 
   763 /**
   764  * Returns the clients unique serial identifier.
   765  *
   766  * @return	Serial number.
   767  */
   768 native GetClientSerial(client);
   769 
   770 /**
   771  * Returns the client index by its serial number.
   772  *
   773  * @return				Client index, or 0 for invalid serial.
   774  */
   775 native GetClientFromSerial(serial);
   776