basic_command_handler.php

#!/usr/bin/php -q
<?php

include_once("internal/tracker.php");
include_once("internal/helpers.php");
include_once("internal/admin.php");

// --------------------------------------------

class BasicCommandHandler extends Tracker {
        protected $metagame = NULL;

        // --------------------------------------------
        function __construct($metagame) {
                $this->metagame = $metagame;
        }

    // ----------------------------------------------------
    protected function handle_chat_event($doc) {
        // player_id
        // player_name
        // message
        // global
        $event = $doc->firstChild;

        $message = $event->getAttribute("message");
        // for the most part, chat events aren't commands, so check that first
        if (!starts_with($message, "/")) {
            return;
        }

        $sender = $event->getAttribute("player_name");
        $sender_id = $event->getAttribute("player_id");

        if (check_command($message, "faction")) {
            $this->handle_change_faction($message, $sender_id);
        }

        // admin only from here on
        if (!is_admin($sender)) {
            return;
        }

        // it's a silent server command, check which one
        if (check_command($message, "test")) {
            $this->metagame->comms->send("say test yourself");

        } else if (check_command($message, "defend")) {
            // make ai defend only, both sides
            for ($i = 0; $i < 2; ++$i) {
                $command =
                    "<command class='commander_ai'" .
                    "   faction='" . $i . "'" .
                    "   base_defense='1.0'" .
                    "   border_defense='0.0'>" .
                    "</command>";
                $this->metagame->comms->send($command);
            }
            $this->metagame->comms->send("say defensive ai set");

        } else if (check_command($message, "grey_win")) {
            $this->metagame->comms->send("declare_winner 1");
        } else if (check_command($message, "kick")) {
         $this->handle_kick($message);
        }
    }

        // --------------------------------------------
        function has_ended() {
                // always on
                return false;
        }

        // --------------------------------------------
        function has_started() {
                // always on
                return true;
        }

        function handle_kick($message) {
            // TODO: just for debugging, this shows to everyone
            $this->metagame->comms->send("say kicking!");

            // get name given as parameter
            $name = substr($message, strlen("kick ") + 1);

            // ask for player list from the server
            $list_query_doc = new DOMDocument();
            $command =
                "<command class='make_query' id='player_list1'>\n" .
                "   <data class='players' />\n" .
                "</command>";
             $list_query_doc->loadXML($command);

             $player_id = -1;

             // send the query command now
             $list_doc = $this->metagame->comms->query($list_query_doc);
            if ($list_doc) {
                $player_list = $list_doc->getElementsByTagName("player");
                echo "* " . $player_list->length . " players found\n";

                // go through the player list and match for the given name
                for ($i = 0; $i < $player_list->length; $i++) {
                    $player = $player_list->item($i);
                    $name2 = $player->getAttribute("name");
                    // case insensitive
                    if (strcasecmp($name2, $name) === 0) {
                        // found it
                        $player_id = $player->getAttribute("player_id");
                        break;
                    }
                }
            } else {
                echo "failed?\n";
            }

            if ($player_id >= 0) {
                // ok player id, now kick
                $this->metagame->comms->send("kick " . $player_id);
            } else {
                echo "* couldn't find a match for " . $name . "\n";
                // TODO: use XML chat command for private message back to who ever sent the message
                $this->metagame->comms->send("say kick missed!");
            }
        }

        function handle_change_faction($message, $sender_id) {
            // just for debugging, this shows to everyone
            //$this->metagame->comms->send("say switch!");

            // get faction as parameter, no validation here, server should rule out mistakes
            $faction_id = substr($message, stripos($message, " ") + 1);

            $command =
                "<command class='update_player' player_id='" . $sender_id . "' faction_id='" . $faction_id . "'/>\n";

            $this->metagame->comms->send($command);
        }
}


?>