<?php
    /*  WebSend Class Pulled from source
     *      http://dev.bukkit.org/bukkit-plugins/websend/
     *      Version 0.5
     */
    class Minecraft{
        var $stream;
        public $host = "127.0.0.1";/* Minecraft server IP or domain, May be internal LAN ip */
        public $password = "password";/* Password in Websend config */
        public $port = 4445;/* Port in Websend config */
        public $timeout = 3600;/* Connect() timeout */

        /**
        * Connects to a Websend server.
        */
        public function connect(){
            $this->stream = fsockopen($this->host, $this->port,$errno,$errstr,$this->timeout);
            if($this->stream){
                $this->writeRawByte(21);
                $this->writeString($this->password);
                return true;
            }else{
                return false;
            }

        }

        /**
        * Sends a disconnect signal to the currently connected Websend server.
        */
        public function disconnect(){
            $this->writeRawByte(20);
        }

        //NETWORK IO
        private function writeRawInt( $i ){
            fwrite( $this->stream, pack( "N", $i ), 4 );
        }

        private function writeRawDouble( $d ){
            fwrite( $this->stream, strrev( pack( "d", $d ) ) );
        }

        private function writeRawByte( $b ){
            fwrite( $this->stream, strrev( pack( "C", $b ) ) );
        }

        private function writeChar( $char ){
            $v = ord($char);
            $this->writeRawByte((0xff & ($v >> 8)));
            $this->writeRawByte((0xff & $v));
        }

        private function writeChars( $string ){
            $array = str_split($string);
            foreach($array as &$cur){
                $v = ord($cur);
                $this->writeRawByte((0xff & ($v >> 8)));
                $this->writeRawByte((0xff & $v));
            }
        }

        private function writeString( $string ){
            $array = str_split($string);
            $this->writeRawInt(count($array));
            foreach($array as &$cur){
                $v = ord($cur);
                $this->writeRawByte((0xff & ($v >> 8)));
                $this->writeRawByte((0xff & $v));
            }
        }

        private function readRawInt(){
            $a = $this->readRawByte();
            $b = $this->readRawByte();
            $c = $this->readRawByte();
            $d = $this->readRawByte();
            $i = ((($a & 0xff) << 24) | (($b & 0xff) << 16) | (($c & 0xff) << 8) | ($d & 0xff));
            return $i;
        }
        private function readRawDouble(){
            $up = unpack( "di", strrev( fread( $this->stream, 8 ) ) );
            $d = $up["i"];
            return $d;
        }
        private function readRawByte(){
            $up = unpack( "Ci", fread( $this->stream, 1 ) );
            $b = $up["i"];
            return $b;
        }
        private function readChar(){
            $byte1 = $this->readRawByte();
            $byte2 = $this->readRawByte();
            $charValue = chr(utf8_decode((($byte1 << 8) | ($byte2 & 0xff))));
            return $charValue;
        }
        private function readChars($len){
            $buf = "";
            for($i = 0;$i<$len;$i++){
                $byte1 = $this->readRawByte();
                $byte2 = $this->readRawByte();
                $buf = $buf.chr(utf8_decode((($byte1 << 8) | ($byte2 & 0xff))));
            }
            return $buf;
        }

        //WEBSEND SPECIFIC

        /**
        * Run a command as if the specified player typed it into the chat.
        *
        * @param string $cmmd Command and arguments to run.
        * @param string $playerName Exact name of the player to run it as.
        * @return true if the command and player were found, else false
        */
        public function doCommandAsPlayer($cmmd, $playerName){
            $this->writeRawByte(1);
            $this->writeString($cmmd);
            if(isset($playerName)){
                $this->writeString($playerName);
            }else{
                $this->writeString("null");
            }

            if($this->readRawInt() == 1){
                return true;
            }else{
                return false;
            }
        }

        /**
        * Run a command as if it were typed into the console.
        *
        * @param string $cmmd Command and arguments to run.
        * @return true if the command was found, else false
        */
        public function doCommandAsConsole($cmmd){
            $this->writeRawByte(2);
            $this->writeString($cmmd);

            if($this->readRawInt() == 1){
                return true;
            }else{
                return false;
            }
        }

        /**
        * Run a script.
        * The script has to be in the Websend scripts directory and has to be compiled and loaded before this is runned.
        *
        * @param string $scriptName Name of the script.
        */
        public function doScript($scriptName){
            $this->writeRawByte(3);
            $this->writeString($scriptName);
        }

        /**
        * Start plugin output capture
        *
        * @param string $pluginName Name of the plugin.
        */
        public function startPluginOutputListening($pluginName){
            $this->writeRawByte(4);
            $this->writeString($pluginName);
        }

        /**
        * Stop plugin output capture
        *
        * @param string $pluginName Name of the plugin.
        * @return array of strings that contains output.
        */
        public function stopPluginOutputListening($pluginName){
            $this->writeRawByte(5);
            $this->writeString($pluginName);
            $size = $this->readRawInt();
            $data = array();
            for($i = 0; $i<$size;$i++){
                $messageSize = $this->readRawInt();
                $data[$i] = $this->readChars($messageSize);
            }
            return $data;
        }

        /**
        * Print output to the console window. Invisible to players.
        */
        public function writeOutputToConsole($message){
            $this->writeRawByte(10);
            $this->writeString($message);
        }

        /**
        * Prints output to specified player.
        *
        * @param string $message Message to be shown.
        * @param string $playerName Exact name of the player to print the message to.
        * @return true if the player was found, else false
        */
        public function writeOutputToPlayer($message, $playerName){
            $this->writeRawByte(11);
            $this->writeString($message);
            if(isset($playerName)){
                $this->writeString($playerName);
            }else{
                $this->writeString("null");
            }

            if($this->readRawInt() == 1){
                return true;
            }else{
                return false;
            }
        }

        /**
        * Prints a message to all players and the console.
        *
        * @param string $message Message to be shown.
        */
        public function broadcast($message){
            $this->writeRawByte(12);
            $this->writeString($message);
        }
    }
?>