say.php

一个基于web的rpg游戏源代码

<?php
/**
* Netlands World Server is the coordinator of the VR in the Netlands Project
* Copyright (C) 2002 Ricard Pillosu
* 
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* 
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
/* vim: set expandtab tabstop=4 shiftwidth=4 */

/**
* Basic communication command. It manages communication to one character, to
* room or to all the game
*
* Input: <say [me="x"] [id="x"] phrase="x"/>
* Ouput: <say to="x" [id="x"] [phrase="x"] ok="<0|1>" msg="x"/>
*
* @param connection object  Reference to connection
* @param user       object  Reference to user
* @param character  object  Reference to character
* @param command    array   Contains command received
*/
function command_say(&$connection, &$user, &$character, $command)
{
    global $entities;

    try {
        // Create the arra to send
        $message = array(
                "xml_name"  => "say_received",
                "id"        => $character->key,
                "phrase"    => $command["phrase"]);
        // Ok, look "id" to deduce to whom is directed this message
        if(!empty($command["id"])) {
            $t_entity = &$entities->get_entity($command["id"]);
            if($t_entity->type == entity_list::T_ROOM) {
                // message for room
                $message["type"] = "1";
                $t_entity->send_message_to_childs($message);
            } elseif($t_entity->type == entity_list::T_CHAR) {
                // message for char
                $message["type"] = "0";
                $t_entity->send_message($message);
            } else {
                $msg = "can only send messages to rooms or characters";
                throw new exception($msg);
            }
        } else {
            // message for all the game
            $message["type"] = "2";
            $entities->send_message_to_all($message);
        }
    } catch(exception $exception) {
        $answer = array(
            "ok"    => "0",
            "id"    => $command["id"],
            "msg"   => $exception->get_msg());
        return($answer);
    }
    
    // ok, all done :)
    $answer = array(
        "to"    => $character->get_key(),
        "ok"    => "1",
        "phrase"=> $command["phrase"],
        "msg"   => "say successful");
    if(!empty($command["id"])) $answer["id"] = $command["id"];
    return($answer);
}

?>