/**
* Update all things up to the given time.
* @param float $time
*/
public function update($time)
{
// update resources
$this->income->update($time);
// update hatcheries
$this->hatcheries->update($time);
// update spellcasters
$this->spellcasters->update($time);
// update production queues
$this->queues->update($time);
}
