219 lines
7.0 KiB
SourcePawn
219 lines
7.0 KiB
SourcePawn
/**
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* vim: set ts=4 :
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* =============================================================================
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* SourceMod (C)2004-2008 AlliedModders LLC. All rights reserved.
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* =============================================================================
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*
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* This file is part of the SourceMod/SourcePawn SDK.
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License, version 3.0, as published by the
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* Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* As a special exception, AlliedModders LLC gives you permission to link the
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* code of this program (as well as its derivative works) to "Half-Life 2," the
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* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
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* by the Valve Corporation. You must obey the GNU General Public License in
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* all respects for all other code used. Additionally, AlliedModders LLC grants
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* this exception to all derivative works. AlliedModders LLC defines further
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* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
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* or <http://www.sourcemod.net/license.php>.
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*
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* Version: $Id$
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*/
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#if defined _eventsmsgs_included
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#endinput
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#endif
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#define _eventsmsgs_included
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/**
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* UserMsg helper values.
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*/
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enum UserMsg
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{
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INVALID_MESSAGE_ID = -1,
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};
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/**
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* UserMsg message serialization formats
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*/
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enum UserMessageType
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{
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UM_BitBuf = 0,
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UM_Protobuf,
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};
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/**
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* @section Message Flags.
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*/
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#define USERMSG_RELIABLE (1<<2) /**< Message will be set on the reliable stream */
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#define USERMSG_INITMSG (1<<3) /**< Message will be considered to be an initmsg */
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#define USERMSG_BLOCKHOOKS (1<<7) /**< Prevents the message from triggering SourceMod and Metamod hooks */
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/**
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* @endsection
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*/
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/**
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* Returns usermessage serialization type used for the current engine
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*
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* @return The supported usermessage type.
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*/
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native UserMessageType:GetUserMessageType();
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/**
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* Returns the ID of a given message, or -1 on failure.
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*
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* @param msg String containing message name (case sensitive).
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* @return A message index, or INVALID_MESSAGE_ID on failure.
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*/
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native UserMsg:GetUserMessageId(const String:msg[]);
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/**
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* Retrieves the name of a message by ID.
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*
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* @param msg_id Message index.
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* @param msg Buffer to store the name of the message.
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* @param maxlength Maximum length of string buffer.
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* @return True if message index is valid, false otherwise.
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*/
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native bool:GetUserMessageName(UserMsg:msg_id, String:msg[], maxlength);
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/**
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* Starts a usermessage (network message).
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* @note Only one message can be active at a time.
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* @note It is illegal to send any message while a non-intercept hook is in progress.
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*
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* @param msgname Message name to start.
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* @param clients Array containing player indexes to broadcast to.
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* @param numClients Number of players in the array.
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* @param flags Optional flags to set.
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* @return A handle to a bf_write bit packing structure, or
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* INVALID_HANDLE on failure.
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* @error Invalid message name, unable to start a message, invalid client,
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* or client not connected.
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*/
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native Handle:StartMessage(String:msgname[], clients[], numClients, flags=0);
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/**
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* Starts a usermessage (network message).
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* @note Only one message can be active at a time.
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* @note It is illegal to send any message while a non-intercept hook is in progress.
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*
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* @param msg Message index to start.
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* @param clients Array containing player indexes to broadcast to.
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* @param numClients Number of players in the array.
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* @param flags Optional flags to set.
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* @return A handle to a bf_write bit packing structure, or
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* INVALID_HANDLE on failure.
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* @error Invalid message name, unable to start a message, invalid client,
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* or client not connected.
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*/
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native Handle:StartMessageEx(UserMsg:msg, clients[], numClients, flags=0);
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/**
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* Ends a previously started user message (network message).
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*
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* @noreturn
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*/
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native EndMessage();
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/**
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* Called when a message is hooked
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*
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* @param msg_id Message index.
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* @param msg Handle to the input bit buffer or protobuf.
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* @param players Array containing player indexes.
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* @param playersNum Number of players in the array.
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* @param reliable True if message is reliable, false otherwise.
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* @param init True if message is an initmsg, false otherwise.
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* @return Ignored for normal hooks. For intercept hooks, Plugin_Handled
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* blocks the message from being sent, and Plugin_Continue
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* resumes normal functionality.
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*/
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functag public Action:MsgHook(UserMsg:msg_id, Handle:msg, const players[], playersNum, bool:reliable, bool:init);
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/**
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* Called when a message hook has completed.
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*
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* @param msg_id Message index.
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* @param sent True if message was sent, false if blocked.
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*/
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functag public MsgPostHook(UserMsg:msg_id, bool:sent);
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/**
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* Hooks a user message.
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*
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* @param msg_id Message index.
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* @param hook Function to use as a hook.
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* @param intercept If intercept is true, message will be fully intercepted,
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* allowing the user to block the message. Otherwise,
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* the hook is normal and ignores the return value.
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* @param post Notification function.
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* @noreturn
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* @error Invalid message index.
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*/
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native HookUserMessage(UserMsg:msg_id, MsgHook:hook, bool:intercept=false, MsgPostHook:post=MsgPostHook:-1);
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/**
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* Removes one usermessage hook.
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*
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* @param msg_id Message index.
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* @param hook Function used for the hook.
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* @param intercept Specifies whether the hook was an intercept hook or not.
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* @noreturn
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* @error Invalid message index.
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*/
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native UnhookUserMessage(UserMsg:msg_id, MsgHook:hook, bool:intercept=false);
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/**
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* Starts a usermessage (network message) that broadcasts to all clients.
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* @note See StartMessage or StartMessageEx().
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*
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* @param msgname Message name to start.
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* @param flags Optional flags to set.
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* @return A handle to a bf_write bit packing structure, or
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* INVALID_HANDLE on failure.
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*/
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stock Handle:StartMessageAll(String:msgname[], flags=0)
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{
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new total = 0;
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new clients[MaxClients];
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for (new i=1; i<=MaxClients; i++)
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{
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if (IsClientConnected(i))
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{
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clients[total++] = i;
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}
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}
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return StartMessage(msgname, clients, total, flags);
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}
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/**
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* Starts a simpler usermessage (network message) for one client.
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* @note See StartMessage or StartMessageEx().
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*
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* @param msgname Message name to start.
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* @param client Client to send to.
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* @param flags Optional flags to set.
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* @return A handle to a bf_write bit packing structure, or
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* INVALID_HANDLE on failure.
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*/
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stock Handle:StartMessageOne(String:msgname[], client, flags=0)
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{
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new players[1];
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players[0] = client;
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return StartMessage(msgname, players, 1, flags);
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}
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