@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);
}
