/**

  * vim: set ts=4 :

  * =============================================================================

  * SourceMod (C)2004-2008 AlliedModders LLC.  All rights reserved.

  * =============================================================================

  *

  * This file is part of the SourceMod/SourcePawn SDK.

  *

  * This program is free software; you can redistribute it and/or modify it under

  * the terms of the GNU General Public License, version 3.0, as published by the

  * Free Software Foundation.

  * 

  * 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.

  *

  * You should have received a copy of the GNU General Public License along with

  * this program.  If not, see <http://www.gnu.org/licenses/>.

  *

  * As a special exception, AlliedModders LLC gives you permission to link the

  * code of this program (as well as its derivative works) to "Half-Life 2," the

  * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software

  * by the Valve Corporation.  You must obey the GNU General Public License in

  * all respects for all other code used.  Additionally, AlliedModders LLC grants

  * this exception to all derivative works.  AlliedModders LLC defines further

  * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),

  * or <http://www.sourcemod.net/license.php>.

  *

  * Version: $Id$

  */

 #if defined _commandfilters_included

  #endinput

 #endif

 #define _commandfilters_included

 #define MAX_TARGET_LENGTH			64

 #define COMMAND_FILTER_ALIVE		(1<<0)		/**< Only allow alive players */

 #define COMMAND_FILTER_DEAD			(1<<1)		/**< Only filter dead players */

 #define COMMAND_FILTER_CONNECTED	(1<<2)		/**< Allow players not fully in-game */

 #define COMMAND_FILTER_NO_IMMUNITY	(1<<3)		/**< Ignore immunity rules */

 #define COMMAND_FILTER_NO_MULTI		(1<<4)		/**< Do not allow multiple target patterns */

 #define COMMAND_FILTER_NO_BOTS		(1<<5)		/**< Do not allow bots to be targetted */

 #define COMMAND_TARGET_NONE			0			/**< No target was found */

 #define COMMAND_TARGET_NOT_ALIVE	-1			/**< Single client is not alive */

 #define COMMAND_TARGET_NOT_DEAD		-2			/**< Single client is not dead */

 #define COMMAND_TARGET_NOT_IN_GAME	-3			/**< Single client is not in game */

 #define COMMAND_TARGET_IMMUNE		-4			/**< Single client is immune */

 #define COMMAND_TARGET_EMPTY_FILTER	-5			/**< A multi-filter (such as @all) had no targets */

 #define COMMAND_TARGET_NOT_HUMAN	-6			/**< Target was not human */

 #define COMMAND_TARGET_AMBIGUOUS	-7			/**< Partial name had too many targets */

 /**

  * Processes a generic command target string, and resolves it to a list 

  * of clients or one client, based on filtering rules and a pattern.

  *

  * Note that you should use LoadTranslations("common.phrases") in OnPluginStart(), 

  * as that file is guaranteed to contain all of the translatable phrases that 

  * ProcessTargetString() will return.

  *

  * @param pattern		Pattern to find clients against.

  * @param admin			Admin performing the action, or 0 if the server.

  * @param targets		Array to hold targets.

  * @param max_targets	Maximum size of the targets array.

  * @param filter_flags	Filter flags.

  * @param target_name	Buffer to store the target name.

  * @param tn_maxlength	Maximum length of the target name buffer.

  * @param tn_is_ml		OUTPUT: Will be true if the target name buffer is an ML phrase,

  *						false if it is a normal string.

  * @return				If a multi-target pattern was used, the number of clients found 

  *						is returned.  If a single-target pattern was used, 1 is returned 

  *						if one valid client is found.  Otherwise, a COMMAND_TARGET reason 

  *						for failure is returned.

  */

 native ProcessTargetString(const String:pattern[],

 						   admin, 

 						   targets[],

 						   max_targets,

 						   filter_flags,

 						   String:target_name[],

 						   tn_maxlength,

 						   &bool:tn_is_ml);

 /**

  * Replies to a client with a given message describing a targetting 

  * failure reason.

  *

  * Note: The translation phrases are found in common.phrases.txt.

  *

  * @param client		Client index, or 0 for server.

  * @param reason		COMMAND_TARGET reason.

  * @noreturn

  */

 stock ReplyToTargetError(client, reason)

 {

 	switch (reason)

 	{

 		case COMMAND_TARGET_NONE:

 		{

 			ReplyToCommand(client, "[SM] %t", "No matching client");

 		}

 		case COMMAND_TARGET_NOT_ALIVE:

 		{

 			ReplyToCommand(client, "[SM] %t", "Target must be alive");

 		}

 		case COMMAND_TARGET_NOT_DEAD:

 		{

 			ReplyToCommand(client, "[SM] %t", "Target must be dead");

 		}

 		case COMMAND_TARGET_NOT_IN_GAME:

 		{

 			ReplyToCommand(client, "[SM] %t", "Target is not in game");

 		}

 		case COMMAND_TARGET_IMMUNE:

 		{

 			ReplyToCommand(client, "[SM] %t", "Unable to target");

 		}

 		case COMMAND_TARGET_EMPTY_FILTER:

 		{

 			ReplyToCommand(client, "[SM] %t", "No matching clients");

 		}

 		case COMMAND_TARGET_NOT_HUMAN:

 		{

 			ReplyToCommand(client, "[SM] %t", "Cannot target bot");

 		}

 		case COMMAND_TARGET_AMBIGUOUS:

 		{

 			ReplyToCommand(client, "[SM] %t", "More than one client matched");

 		}

 	}

 }