@Override
public PaymentDecision visit(CostSacrifice cost) {
if (cost.payCostFromSource()) {
return PaymentDecision.card(source);
}
if (cost.getAmount().equals("All")) {
/*List<Card> typeList = new ArrayList<Card>(activator.getCardsIn(ZoneType.Battlefield));
typeList = CardLists.getValidCards(typeList, cost.getType().split(";"), activator, source);
if (activator.hasKeyword("You can't sacrifice creatures to cast spells or activate abilities.")) {
typeList = CardLists.getNotType(typeList, "Creature");
}*/
// Does the AI want to use Sacrifice All?
return null;
}
Integer c = cost.convertAmount();
if (c == null) {
if (ability.getSVar(cost.getAmount()).equals("XChoice")) {
return null;
}
c = AbilityUtils.calculateAmount(source, cost.getAmount(), ability);
}
List<Card> list =
ComputerUtil.chooseSacrificeType(
player, cost.getType(), source, ability.getTargetCard(), c);
return PaymentDecision.card(list);
}
@Override
public PaymentDecision visit(CostReveal cost) {
final String type = cost.getType();
List<Card> hand = new ArrayList<Card>(player.getCardsIn(ZoneType.Hand));
if (cost.payCostFromSource()) {
if (!hand.contains(source)) {
return null;
}
return PaymentDecision.card(source);
}
if (cost.getType().equals("Hand"))
return PaymentDecision.card(player.getCardsIn(ZoneType.Hand));
if (cost.getType().equals("SameColor")) {
return null;
}
hand = CardLists.getValidCards(hand, type.split(";"), player, source);
Integer c = cost.convertAmount();
if (c == null) {
final String sVar = ability.getSVar(cost.getAmount());
if (sVar.equals("XChoice")) {
c = hand.size();
} else {
c = AbilityUtils.calculateAmount(source, cost.getAmount(), ability);
}
}
final AiController aic = ((PlayerControllerAi) player.getController()).getAi();
return PaymentDecision.card(aic.getCardsToDiscard(c, type.split(";"), ability));
}
@Override
public PaymentDecision visit(CostGainControl cost) {
if (cost.payCostFromSource()) return PaymentDecision.card(source);
Integer c = cost.convertAmount();
if (c == null) {
c = AbilityUtils.calculateAmount(source, cost.getAmount(), ability);
}
final List<Card> typeList =
CardLists.getValidCards(
player.getGame().getCardsIn(ZoneType.Battlefield),
cost.getType().split(";"),
player,
source);
if (typeList.size() < c) {
return null;
}
CardLists.sortByPowerAsc(typeList);
final List<Card> res = new ArrayList<Card>();
for (int i = 0; i < c; i++) {
res.add(typeList.get(i));
}
return res.isEmpty() ? null : PaymentDecision.card(res);
}
@Override
public PaymentDecision visit(CostExile cost) {
if (cost.payCostFromSource()) {
return PaymentDecision.card(source);
}
if (cost.getType().equals("All")) {
return PaymentDecision.card(player.getCardsIn(cost.getFrom()));
} else if (cost.getType().contains("FromTopGrave")) {
return null;
}
Integer c = cost.convertAmount();
if (c == null) {
final String sVar = ability.getSVar(cost.getAmount());
// Generalize cost
if (sVar.equals("XChoice")) {
return null;
}
c = AbilityUtils.calculateAmount(source, cost.getAmount(), ability);
}
if (cost.getFrom().equals(ZoneType.Library)) {
return PaymentDecision.card(player.getCardsIn(ZoneType.Library, c));
} else if (cost.sameZone) {
// TODO Determine exile from same zone for AI
return null;
} else {
List<Card> chosen =
ComputerUtil.chooseExileFrom(
player, cost.getFrom(), cost.getType(), source, ability.getTargetCard(), c);
return null == chosen ? null : PaymentDecision.card(chosen);
}
}
@Override
public PaymentDecision visit(CostReturn cost) {
if (cost.payCostFromSource()) return PaymentDecision.card(source);
Integer c = cost.convertAmount();
if (c == null) {
c = AbilityUtils.calculateAmount(source, cost.getAmount(), ability);
}
List<Card> res =
ComputerUtil.chooseReturnType(player, cost.getType(), source, ability.getTargetCard(), c);
return res.isEmpty() ? null : PaymentDecision.card(res);
}
@Override
public PaymentDecision visit(CostUntapType cost) {
final String amount = cost.getAmount();
Integer c = cost.convertAmount();
if (c == null) {
final String sVar = ability.getSVar(amount);
if (sVar.equals("XChoice")) {
List<Card> typeList = player.getGame().getCardsIn(ZoneType.Battlefield);
typeList =
CardLists.getValidCards(
typeList, cost.getType().split(";"), player, ability.getHostCard());
if (!cost.canUntapSource) {
typeList.remove(source);
}
typeList = CardLists.filter(typeList, Presets.TAPPED);
c = typeList.size();
source.setSVar("ChosenX", "Number$" + Integer.toString(c));
} else {
c = AbilityUtils.calculateAmount(source, amount, ability);
}
}
List<Card> list =
ComputerUtil.chooseUntapType(player, cost.getType(), source, cost.canUntapSource, c);
if (list == null) {
System.out.println("Couldn't find a valid card to untap for: " + source.getName());
return null;
}
return PaymentDecision.card(list);
}
@Override
public PaymentDecision visit(CostExiledMoveToGrave cost) {
Integer c = cost.convertAmount();
List<Card> chosen = new ArrayList<Card>();
if (c == null) {
c = AbilityUtils.calculateAmount(source, cost.getAmount(), ability);
}
List<Card> typeList = player.getGame().getCardsIn(ZoneType.Exile);
typeList = CardLists.getValidCards(typeList, cost.getType().split(";"), player, source);
if (typeList.size() < c) {
return null;
}
CardLists.sortByPowerAsc(typeList);
Collections.reverse(typeList);
for (int i = 0; i < c; i++) {
chosen.add(typeList.get(i));
}
return chosen.isEmpty() ? null : PaymentDecision.card(chosen);
}
@Override
public PaymentDecision visit(CostTapType cost) {
final String amount = cost.getAmount();
Integer c = cost.convertAmount();
if (c == null) {
final String sVar = ability.getSVar(amount);
if (sVar.equals("XChoice")) {
List<Card> typeList =
CardLists.getValidCards(
player.getCardsIn(ZoneType.Battlefield),
cost.getType().split(";"),
ability.getActivatingPlayer(),
ability.getHostCard());
typeList = CardLists.filter(typeList, Presets.UNTAPPED);
c = typeList.size();
source.setSVar("ChosenX", "Number$" + Integer.toString(c));
} else {
c = AbilityUtils.calculateAmount(source, amount, ability);
}
}
if (cost.getType().contains("sharesCreatureTypeWith")
|| cost.getType().contains("withTotalPowerGE")) {
return null;
}
List<Card> totap =
ComputerUtil.chooseTapType(player, cost.getType(), source, !cost.canTapSource, c);
if (totap == null) {
System.out.println("Couldn't find a valid card to tap for: " + source.getName());
return null;
}
return PaymentDecision.card(totap);
}
@Override
public PaymentDecision visit(CostUnattach cost) {
Card cardToUnattach = cost.findCardToUnattach(source, (Player) player, ability);
if (cardToUnattach == null) {
// We really shouldn't be able to get here if there's nothing to unattach
return null;
}
return PaymentDecision.card(cardToUnattach);
}
@Override
public PaymentDecision visit(CostAddMana cost) {
Integer c = cost.convertAmount();
if (c == null) {
c = AbilityUtils.calculateAmount(source, cost.getAmount(), ability);
}
return PaymentDecision.number(c);
}
@Override
public PaymentDecision visit(CostChooseCreatureType cost) {
String choice =
player
.getController()
.chooseSomeType(
"Creature",
ability,
new ArrayList<String>(CardType.getCreatureTypes()),
new ArrayList<String>());
return PaymentDecision.type(choice);
}
@Override
public PaymentDecision visit(CostRemoveCounter cost) {
final String amount = cost.getAmount();
Integer c = cost.convertAmount();
final String type = cost.getType();
if (c == null) {
final String sVar = ability.getSVar(amount);
if (sVar.equals("XChoice")) {
c = AbilityUtils.calculateAmount(source, "ChosenX", ability);
} else if (amount.equals("All")) {
c = source.getCounters(cost.counter);
} else {
c = AbilityUtils.calculateAmount(source, amount, ability);
}
}
if (!cost.payCostFromSource()) {
List<Card> typeList;
if (type.equals("OriginalHost")) {
typeList = Lists.newArrayList(ability.getOriginalHost());
} else {
typeList =
CardLists.getValidCards(player.getCardsIn(cost.zone), type.split(";"), player, source);
}
for (Card card : typeList) {
if (card.getCounters(cost.counter) >= c) {
return PaymentDecision.card(card, c);
}
}
return null;
}
if (c > source.getCounters(cost.counter)) {
System.out.println("Not enough " + cost.counter + " on " + source.getName());
return null;
}
return PaymentDecision.card(source, c);
}
@Override
public PaymentDecision visit(CostPutCounter cost) {
if (cost.payCostFromSource()) {
return PaymentDecision.card(source);
}
final List<Card> typeList =
CardLists.getValidCards(
player.getGame().getCardsIn(ZoneType.Battlefield),
cost.getType().split(";"),
player,
source);
Card card = null;
if (cost.getType().equals("Creature.YouCtrl")) {
card = ComputerUtilCard.getWorstCreatureAI(typeList);
} else {
card = ComputerUtilCard.getWorstPermanentAI(typeList, false, false, false, false);
}
return PaymentDecision.card(card);
}
@Override
public PaymentDecision visit(CostDiscard cost) {
final String type = cost.getType();
final List<Card> hand = player.getCardsIn(ZoneType.Hand);
if (type.equals("LastDrawn")) {
if (!hand.contains(player.getLastDrawnCard())) {
return null;
}
return PaymentDecision.card(player.getLastDrawnCard());
} else if (cost.payCostFromSource()) {
if (!hand.contains(source)) {
return null;
}
return PaymentDecision.card(source);
} else if (type.equals("Hand")) {
return PaymentDecision.card(hand);
}
if (type.contains("WithSameName")) {
return null;
}
Integer c = cost.convertAmount();
if (c == null) {
final String sVar = ability.getSVar(cost.getAmount());
if (sVar.equals("XChoice")) {
return null;
}
c = AbilityUtils.calculateAmount(source, cost.getAmount(), ability);
}
if (type.equals("Random")) {
return PaymentDecision.card(CardLists.getRandomSubList(hand, c));
} else {
final AiController aic = ((PlayerControllerAi) player.getController()).getAi();
return PaymentDecision.card(aic.getCardsToDiscard(c, type.split(";"), ability));
}
}
@Override
public PaymentDecision visit(CostFlipCoin cost) {
Integer c = cost.convertAmount();
if (c == null) {
final String sVar = ability.getSVar(cost.getAmount());
// Generalize cost
if (sVar.equals("XChoice")) {
return null;
}
c = AbilityUtils.calculateAmount(source, cost.getAmount(), ability);
}
return PaymentDecision.number(c);
}
@Override
public PaymentDecision visit(CostRemoveAnyCounter cost) {
final String amount = cost.getAmount();
final int c = AbilityUtils.calculateAmount(source, amount, ability);
final String type = cost.getType();
List<Card> typeList =
CardLists.getValidCards(
player.getCardsIn(ZoneType.Battlefield), type.split(";"), player, source);
List<Card> hperms =
CardLists.filter(
typeList,
new Predicate<Card>() {
@Override
public boolean apply(final Card crd) {
for (final CounterType c1 : CounterType.values()) {
if (crd.getCounters(c1) >= c && ComputerUtil.isNegativeCounter(c1, crd)) {
return true;
}
}
return false;
}
});
if (hperms.isEmpty()) return null;
PaymentDecision result = PaymentDecision.card(hperms);
Card valid = hperms.get(0);
for (CounterType c1 : valid.getCounters().keySet()) {
if (valid.getCounters(c1) >= c && ComputerUtil.isNegativeCounter(c1, valid)) {
result.ct = c1;
break;
}
}
// Only find cards with enough negative counters
// TODO: add ai for Chisei, Heart of Oceans
return result;
}
@Override
public PaymentDecision visit(CostGainLife cost) {
final List<Player> oppsThatCanGainLife = new ArrayList<Player>();
for (final Player opp : cost.getPotentialTargets(player, source)) {
if (opp.canGainLife()) {
oppsThatCanGainLife.add(opp);
}
}
if (oppsThatCanGainLife.size() == 0) {
return null;
}
return PaymentDecision.players(oppsThatCanGainLife);
}
@Override
public PaymentDecision visit(CostMill cost) {
Integer c = cost.convertAmount();
if (c == null) {
final String sVar = ability.getSVar(cost.getAmount());
// Generalize cost
if (sVar.equals("XChoice")) {
return null;
}
c = AbilityUtils.calculateAmount(source, cost.getAmount(), ability);
}
List<Card> topLib = player.getCardsIn(ZoneType.Library, c);
return topLib.size() < c ? null : PaymentDecision.card(topLib);
}
@Override
public PaymentDecision visit(CostPayLife cost) {
Integer c = cost.convertAmount();
if (c == null) {
final String sVar = ability.getSVar(cost.getAmount());
// Generalize cost
if (sVar.equals("XChoice")) {
return null;
} else {
c = AbilityUtils.calculateAmount(source, cost.getAmount(), ability);
}
}
if (!player.canPayLife(c)) {
return null;
}
// activator.payLife(c, null);
return PaymentDecision.number(c);
}
@Override
public PaymentDecision visit(CostPutCardToLib cost) {
Integer c = cost.convertAmount();
final Game game = player.getGame();
List<Card> chosen = new ArrayList<Card>();
List<Card> list;
if (cost.isSameZone()) {
list = new ArrayList<Card>(game.getCardsIn(cost.getFrom()));
} else {
list = new ArrayList<Card>(player.getCardsIn(cost.getFrom()));
}
if (c == null) {
final String sVar = ability.getSVar(cost.getAmount());
// Generalize cost
if (sVar.equals("XChoice")) {
return null;
}
c = AbilityUtils.calculateAmount(source, cost.getAmount(), ability);
}
list = CardLists.getValidCards(list, cost.getType().split(";"), player, source);
if (cost.isSameZone()) {
// Jotun Grunt
// TODO: improve AI
final List<Player> players = game.getPlayers();
for (Player p : players) {
List<Card> enoughType = CardLists.filter(list, CardPredicates.isOwner(p));
if (enoughType.size() >= c) {
chosen.addAll(enoughType);
break;
}
}
chosen = chosen.subList(0, c);
} else {
chosen =
ComputerUtil.choosePutToLibraryFrom(
player, cost.getFrom(), cost.getType(), source, ability.getTargetCard(), c);
}
return chosen.isEmpty() ? null : PaymentDecision.card(chosen);
}
@Override
public PaymentDecision visit(CostExileFromStack cost) {
Integer c = cost.convertAmount();
if (c == null) {
final String sVar = ability.getSVar(cost.getAmount());
// Generalize cost
if (sVar.equals("XChoice")) {
return null;
}
c = AbilityUtils.calculateAmount(source, cost.getAmount(), ability);
}
List<SpellAbility> chosen = new ArrayList<SpellAbility>();
for (SpellAbilityStackInstance si : source.getGame().getStack()) {
SpellAbility sp = si.getSpellAbility().getRootAbility();
if (si.getSourceCard().isValid(cost.getType().split(";"), source.getController(), source)) {
chosen.add(sp);
}
}
return chosen.isEmpty() ? null : PaymentDecision.spellabilities(chosen);
}
@Override
public PaymentDecision visit(CostUntap cost) {
return PaymentDecision.number(0);
}
@Override
public PaymentDecision visit(CostPartMana cost) {
return PaymentDecision.number(0);
}