/**
* Rewards bounty if defender has some, or increments attacker bounty if power disparity
*
* @return string
*/
public static function runBountyExchange(Player $user, $defender, $bounty_mod = 0)
{
assert($defender instanceof Character);
// 'cause can't typehint interfaces
if ($defender instanceof Player && $defender->bounty > 0) {
$bounty = $defender->bounty;
$defender->setBounty(0);
$defender->save();
$user->setGold($user->gold + $bounty);
$user->save();
return "You have received the {$bounty} gold bounty on {$defender}'s head for your deeds!";
} else {
// Add bounty to attacker only if defender doesn't already have bounty on them.
$disparity = (int) floor(($user->difficulty() - $defender->difficulty()) / 10);
$bountyIncrease = min(self::BOUNTY_MIN, max(0, $disparity * static::BOUNTY_MULTIPLIER + $bounty_mod));
// Cap the increase.
if ($bountyIncrease + $user->bounty > static::BOUNTY_MAX) {
$bountyIncrease = static::BOUNTY_MAX - $user->bounty;
}
if ($bountyIncrease > 0) {
// If Defender has no bounty and there was a level difference
$user->setBounty($user->bounty + $bountyIncrease);
$user->save();
return "Your victim was much weaker than you. The townsfolk are angered. A bounty of {$bountyIncrease} gold has been placed on your head!";
} else {
return '';
}
}
}
