/**
* Attack an opposing army.
*
* @param Army $enemy An opposing army that will soon be crushed in defeat
*
* @return void
*/
public function attack(Army $enemy)
{
$this->herald->announce("Attack the vile {$enemy->name}!");
$victory = $this->strength() > $enemy->strength();
$this->sustainDamage($victory);
$enemy->sustainDamage($victory);
if ($victory) {
$this->rejoice();
$this->demandSurrender($enemy);
} else {
$this->wallow();
$enemy->demandSurrender($this);
}
return;
}
