PHPWarrior\Abilities\Rest::perform PHP Method

    public function perform()
    {
        if ($this->unit->health() < $this->unit->max_health()) {
            $amount = round($this->unit->max_health() * 0.1);
            if ($this->unit->health + $amount > $this->unit->max_health()) {
                $amount = $this->unit->max_health() - $this->unit->health;
            }
            $this->unit->health += $amount;
            $this->unit->say(sprintf(__('receives %1$s health from resting, up to %2$s health'), $amount, $this->unit->health()));
        } else {
            $this->unit->say(__('is already fit as a fiddle'));
        }
    }