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* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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package mage.abilities.costs.common;
import mage.abilities.Ability;
import mage.abilities.costs.Cost;
import mage.abilities.costs.CostImpl;
import mage.counters.CounterType;
import mage.game.Game;
import mage.game.permanent.Permanent;
import java.util.UUID;
/**
*
* @author BetaSteward_at_googlemail.com
*/
public class PayLoyaltyCost extends CostImpl {
private final int amount;
public PayLoyaltyCost(int amount) {
this.amount = amount;
this.text = Integer.toString(amount);
if (amount >= 0) {
this.text = '+' + this.text;
}
}
public PayLoyaltyCost(PayLoyaltyCost cost) {
super(cost);
this.amount = cost.amount;
}
@Override
public boolean canPay(Ability ability, UUID sourceId, UUID controllerId, Game game) {
Permanent planeswalker = game.getPermanent(sourceId);
return planeswalker != null && planeswalker.getCounters(game).getCount(CounterType.LOYALTY) + amount >= 0 && planeswalker.canLoyaltyBeUsed(game);
}
/**
* Gatherer Ruling:
* 10/1/2005: Planeswalkers will enter the battlefield with double the normal amount of loyalty counters. However,
* if you activate an ability whose cost has you put loyalty counters on a planeswalker, the number you put on isn’t doubled.
* This is because those counters are put on as a cost, not as an effect.
**/
@Override
public boolean pay(Ability ability, Game game, UUID sourceId, UUID controllerId, boolean noMana, Cost costToPay) {
Permanent planeswalker = game.getPermanent(sourceId);
if (planeswalker != null && planeswalker.getCounters(game).getCount(CounterType.LOYALTY) + amount >= 0 && planeswalker.canLoyaltyBeUsed(game)) {
if (amount > 0) {
planeswalker.getCounters(game).addCounter(CounterType.LOYALTY.createInstance(amount));
} else if (amount < 0) {
planeswalker.removeCounters(CounterType.LOYALTY.getName(), Math.abs(amount), game);
}
planeswalker.addLoyaltyUsed();
this.paid = true;
}
return paid;
}
@Override
public PayLoyaltyCost copy() {
return new PayLoyaltyCost(this);
}
}