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Shoghi Cervantes Pueyo
2012-10-19 02:21:54 +02:00
commit c2de8094b2
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classes/Packet.class.php Normal file
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<?php
/*
-
/ \
/ \
/ POCKET \
/ MINECRAFT PHP \
|\ @shoghicp /|
|. \ / .|
| .. \ / .. |
| .. | .. |
| .. | .. |
\ | /
\ | /
\ | /
\ | /
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
*/
class Packet{
private $struct, $sock;
protected $pid, $packet;
public $data, $raw, $protocol;
function __construct($pid, $struct, $data = ""){
$this->pid = $pid;
$this->offset = 1;
$this->raw = $data;
$this->data = array();
if($pid !== false){
$this->addRaw(chr($pid));
}
$this->struct = $struct;
$this->sock = $sock;
}
public function create($raw = false){
foreach($this->struct as $field => $type){
if(!isset($this->data[$field])){
$this->data[$field] = "";
}
if($raw === true){
$this->addRaw($this->data[$field]);
continue;
}
if(is_int($type)){
$this->addRaw($this->data[$field]);
continue;
}
switch($type){
case "special1":
switch($this->pid){
case 0x05:
$this->addRaw($this->data[$field]);
break;
}
break;
case "magic":
$this->addRaw(MAGIC);
break;
case "float":
$this->addRaw(Utils::writeFloat($this->data[$field]));
break;
case "int":
$this->addRaw(Utils::writeInt($this->data[$field]));
break;
case "double":
$this->addRaw(Utils::writeDouble($this->data[$field]));
break;
case "long":
$this->addRaw(Utils::writeLong($this->data[$field]));
break;
case "bool":
case "boolean":
$this->addRaw(Utils::writeBool($this->data[$field]));
break;
case "ubyte":
case "byte":
$this->addRaw(Utils::writeByte($this->data[$field]));
break;
case "short":
$this->addRaw(Utils::writeShort($this->data[$field]));
break;
case "byteArray":
$this->addRaw($this->data[$field]);
break;
case "string":
$this->addRaw(Utils::writeShort(strlen($this->data[$field])));
$this->addRaw($this->data[$field]);
break;
case "slotData":
$this->addRaw(Utils::writeShort($this->data[$field][0]));
if($this->data[$field][0]!=-1){
$this->addRaw(Utils::writeByte($this->data[$field][1]));
$this->addRaw(Utils::writeShort($this->data[$field][2]));
}
break;
default:
$this->addRaw(Utils::writeByte($this->data[$field]));
break;
}
}
}
private function get($len = true){
if($len === true){
$data = substr($this->raw, $this->offset);
$this->offset = strlen($this->raw);
return $data;
}
$data = substr($this->raw, $this->offset, $len);
$this->offset += $len;
return $data;
}
protected function addRaw($str){
$this->raw .= $str;
return $str;
}
public function parse(){
$continue = true;
foreach($this->struct as $field => $type){
if(is_int($type)){
$this->data[] = $this->get($type);
continue;
}
switch($type){
case "special1":
switch($this->pid){
case 0x05:
$this->data[] = $this->get(true);
break;
}
break;
case "magic":
$this->data[] = $this->get(16);
break;
case "int":
$this->data[] = Utils::readInt($this->get(4));
if($field === 5 and $this->pid === "17" and $this->data[$field] === 0){
$continue = false;
}
break;
case "string":
$this->data[] = $this->get(Utils::readShort($this->get(2)) << 1);
break;
case "long":
$this->data[] = Utils::readLong($this->get(8));
break;
case "byte":
$this->data[] = Utils::readByte($this->get(1));
break;
case "ubyte":
$this->data[] = ord($this->get(1));
break;
case "float":
$this->data[] = Utils::readFloat($this->get(4));
break;
case "double":
$this->data[] = Utils::readDouble($this->get(8));
break;
case "ushort":
$this->data[] = Utils::readShort($this->get(2), false);
break;
case "short":
$this->data[] = Utils::readShort($this->get(2));
break;
case "bool":
case "boolean":
$this->data[] = Utils::readBool($this->get(1));
break;
}
if($continue === false){
break;
}
}
}
}