character.php

来自「一个基于web的rpg游戏源代码」· PHP 代码 · 共 157 行

<?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 */

/**
* Shows characters that user is using right now
*
* Input: <character_list />
* Ouput: <character_list .../>
*
* @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_list_character(&$connection, &$user, &$character, $command)
{
    // loop char list and stores id and name
    $character_list = array();
    foreach(array_keys($user->character_list) as $key) {
        $character_list[] = array(
                "xml_name"  => "character",
                "id"        => $user->character_list[$key]->key,
                "name"      => $user->character_list[$key]->game_vars['name']);
    }
    $character_list[0]["_xml_name"] = $command["xml_name"];
    return($character_list);
}

/**
* Create new character
*
* Input: <create_character />
* Ouput: <create_character .../>
*
* @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_create_character(&$connection, &$user, &$character, $command)
{
    global $entities, $users;

    $name = $command["name"];
    try {
        // Create the entity
        $t_character = $entities->add_entity('', '', entity_list::T_CHAR);

        // Update game_vars
        $t_character->update_game_vars(array("name"=>$name));

        // Link the char with the user
        $result = $user->add_character($t_character);
    } catch(exception $exception) {
        $answer = array(
            "ok"    => "0",
            "name"  => $name,
            "msg"   => $exception->get_msg());
        return($answer);
    }
    
    // Save user links with character created
    $users->save_user($user);

    // Log
    $msg = "User ".$user->get_login()." created new character ";
    $msg.= $t_character->game_vars['name']." (".$t_character->key.")";
    log_msg($msg, "game", $connection);

    // ok, all done :)
    $answer = array(
        "id"    => $t_character->key,
        "name"  => $t_character->game_vars['name']);
    return($answer);
}

/**
* Delete character
*
* Input: <drop_character />
* Ouput: <drop_character .../>
*
* @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_drop_character(&$connection, &$user, &$character, $command)
{
    global $entities;

    try {
        // Look for the character to drop
        $t_character = & $entities->get_entity($command["id"]);

        // If not ADMIN, check you control this character
        if($user->access < user_list::L_ADMIN) {
            if($t_character->user->get_login() != $user->login) { 
                throw new exception("you don't control this character");
            }
        }

        // Break the link with the user
        $result = $user->del_character($t_character);

    } catch(exception $exception) {
        $answer = array(
            "ok"    => "0",
            "msg"   => $exception->get_msg());
        return($answer);
    }

    // Delete the entity (here I have to use rollback, that's why we cannot
    // use exceptions
    $result = $entities->del_entity($t_character);
    if($result == FALSE) {
        // Try to rollback
        $user->add_character($t_character);
        $answer = array(
            "ok"  => "0",
            "msg" => $entities->get_last_error());
        return($answer);
    }

    // Log
    $msg = "User ".$user->get_login()." removed character ";
    $msg.= $t_character->game_vars['name']." (".$t_character->key.")";
    log_msg($msg, "game", $connection);

    // ok, all done :)
    $answer = array(
        "ok"    => "1",
        "id"    => $t_character->key,
        "msg"   => "character ".$t_character->game_vars['name']." deleted succesfully");
    return($answer);
}

?>