public function processBatch(BatchPacket $packet, Player $p)
{
try {
if (strlen($packet->payload) === 0) {
//prevent zlib_decode errors for incorrectly-decoded packets
throw new \InvalidArgumentException("BatchPacket payload is empty or packet decode error");
}
$str = zlib_decode($packet->payload, 1024 * 1024 * 64);
//Max 64MB
$len = strlen($str);
if ($len === 0) {
throw new \InvalidStateException("Decoded BatchPacket payload is empty");
}
$stream = new BinaryStream($str);
while ($stream->offset < $len) {
$buf = $stream->getString();
if (($pk = $this->getPacket(ord($buf[0]))) !== null) {
if ($pk::NETWORK_ID === Info::BATCH_PACKET) {
throw new \InvalidStateException("Invalid BatchPacket inside BatchPacket");
}
$pk->setBuffer($buf, 1);
$pk->decode();
assert($pk->feof(), "Still " . strlen(substr($pk->buffer, $pk->offset)) . " bytes unread in " . get_class($pk));
$p->handleDataPacket($pk);
}
}
} catch (\Throwable $e) {
if (\pocketmine\DEBUG > 1) {
$logger = $this->server->getLogger();
$logger->debug("BatchPacket " . " 0x" . bin2hex($packet->payload));
$logger->logException($e);
}
}
}
/**
* Reads a metadata coded string
*
* @param $value
* @param bool $types
*
* @return array
*/
public static function readMetadata($value, $types = false)
{
$stream = new BinaryStream();
$stream->setBuffer($value);
$count = $stream->getUnsignedVarInt();
$data = [];
for ($i = 0; $i < $count; ++$i) {
$key = $stream->getUnsignedVarInt();
$type = $stream->getUnsignedVarInt();
$value = null;
switch ($type) {
case Entity::DATA_TYPE_BYTE:
$value = $stream->getByte();
break;
case Entity::DATA_TYPE_SHORT:
$value = $stream->getLShort(true);
//signed
break;
case Entity::DATA_TYPE_INT:
$value = $stream->getVarInt();
break;
case Entity::DATA_TYPE_FLOAT:
$value = $stream->getLFloat();
break;
case Entity::DATA_TYPE_STRING:
$value = $stream->getString();
break;
case Entity::DATA_TYPE_SLOT:
//TODO: use objects directly
$item = $stream->getSlot();
$value[0] = $item->getId();
$value[1] = $item->getCount();
$value[2] = $item->getDamage();
break;
case Entity::DATA_TYPE_POS:
$value = [0, 0, 0];
$stream->getBlockCoords($value[0], $value[1], $value[2]);
break;
case Entity::DATA_TYPE_LONG:
$value = $stream->getVarInt();
//TODO: varint64 proper support
break;
case Entity::DATA_TYPE_VECTOR3F:
$value = [0.0, 0.0, 0.0];
$stream->getVector3f($value[0], $value[1], $value[2]);
break;
default:
$value = [];
}
if ($types === true) {
$data[$key] = [$value, $type];
} else {
$data[$key] = $value;
}
}
return $data;
}
