/**
* Get the stage this packet is for
* @return Stage
*/
public function getStage()
{
return Stage::STATUS();
}
/**
* Parse the raw data
* @param $data String the raw data to parse (minus packet ID and packet length
* @throws InvalidDataException
*/
function fromRawData($data)
{
$versionVarInt = VarInt::readUnsignedVarInt($data);
$data = substr($data, $versionVarInt->getDataLength());
$addressStringLength = VarInt::readUnsignedVarInt($data);
$data = substr($data, $addressStringLength->getDataLength());
$address = substr($data, 0, $addressStringLength->getValue());
$data = substr($data, $addressStringLength->getValue());
$portShort = unpack('nshort', substr($data, 0, 2))['short'];
$data = substr($data, 2);
$nextVarInt = VarInt::readUnsignedVarInt($data);
try {
$nextStage = Stage::get($nextVarInt->getValue());
//disconnect if not a valid stage
if ($nextStage != Stage::LOGIN() && $nextStage != Stage::STATUS()) {
throw new InvalidDataException('Stage must be LOGIN or STATUS on handshake');
}
//set all of the data
$this->setNextStage($nextStage)->setServerPort($portShort)->setProtocolVersion($versionVarInt->getValue())->setServerAddress($address);
} catch (InvalidArgumentException $ex) {
throw new InvalidDataException('Stage is not a valid number');
}
}
