public function attack($damage, EntityDamageEvent $source)
{
parent::attack($damage, $source);
if (!$source->isCancelled()) {
$pk = new EntityEventPacket();
$pk->eid = $this->id;
$pk->event = EntityEventPacket::HURT_ANIMATION;
foreach ($this->getLevel()->getPlayers() as $player) {
$player->dataPacket($pk);
}
}
}