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package mage.watchers.common;
import mage.abilities.keyword.SoulbondAbility;
import mage.cards.Cards;
import mage.cards.CardsImpl;
import mage.constants.CardType;
import mage.constants.Outcome;
import mage.constants.WatcherScope;
import mage.constants.Zone;
import mage.filter.common.FilterControlledCreaturePermanent;
import mage.filter.predicate.Predicate;
import mage.filter.predicate.Predicates;
import mage.filter.predicate.permanent.AnotherPredicate;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.permanent.Permanent;
import mage.players.Player;
import mage.target.common.TargetControlledPermanent;
import mage.watchers.Watcher;
/**
* Reacts on various events to pair or unpair creatures on the battlefield.
*
* @author noxx
*/
public class SoulbondWatcher extends Watcher {
private static final FilterControlledCreaturePermanent filter = new FilterControlledCreaturePermanent("another not paired creature you control");
static {
filter.add(new AnotherPredicate());
filter.add(Predicates.not(new PairedPredicate()));
}
public SoulbondWatcher() {
super("SoulbondWatcher", WatcherScope.GAME);
}
public SoulbondWatcher(final SoulbondWatcher watcher) {
super(watcher);
}
@Override
public void watch(GameEvent event, Game game) {
if (event.getType() == GameEvent.EventType.ENTERS_THE_BATTLEFIELD) {
Permanent permanent = game.getPermanent(event.getTargetId());
if (permanent != null && permanent.getCardType().contains(CardType.CREATURE)) {
if (permanent.getAbilities().contains(SoulbondAbility.getInstance())) {
Player controller = game.getPlayer(permanent.getControllerId());
if (controller != null) {
Cards cards = new CardsImpl();
cards.add(permanent);
controller.lookAtCards("Soulbond", cards, game);
if (controller.chooseUse(Outcome.Benefit, "Use Soulbond?", game)) {
TargetControlledPermanent target = new TargetControlledPermanent(filter);
target.setNotTarget(true);
if (target.canChoose(permanent.getId(), controller.getId(), game)) {
if (controller.choose(Outcome.Benefit, target, permanent.getId(), game)) {
Permanent chosen = game.getPermanent(target.getFirstTarget());
if (chosen != null) {
chosen.setPairedCard(permanent.getId());
permanent.setPairedCard(chosen.getId());
game.informPlayers(new StringBuilder(controller.getName()).append(" souldbonds ").append(permanent.getLogName()).append(" with ").append(chosen.getName()).toString());
}
}
}
}
}
}
// if still unpaired
if (permanent.getPairedCard() == null) {
// try to find creature with Soulbond and unpaired
Player controller = null;
for (Permanent chosen : game.getBattlefield().getActivePermanents(filter, permanent.getControllerId(), permanent.getId(), game)) {
if (!chosen.getId().equals(permanent.getId()) && chosen.getAbilities().contains(SoulbondAbility.getInstance()) && chosen.getPairedCard() == null) {
if (controller == null) {
controller = game.getPlayer(permanent.getControllerId());
}
if (controller != null) {
Cards cards = new CardsImpl();
cards.add(chosen);
controller.lookAtCards("Soulbond", cards, game);
if (controller.chooseUse(Outcome.Benefit, "Use Soulbond for recent " + permanent.getLogName() + "?", game)) {
chosen.setPairedCard(permanent.getId());
permanent.setPairedCard(chosen.getId());
game.informPlayers(new StringBuilder(controller.getName()).append(" souldbonds ").append(permanent.getLogName()).append(" with ").append(chosen.getName()).toString());
break;
}
}
}
}
}
}
}
}
@Override
public SoulbondWatcher copy() {
return new SoulbondWatcher(this);
}
}
class PairedPredicate implements Predicate<Permanent> {
@Override
public boolean apply(Permanent input, Game game) {
return input.getPairedCard() != null;
}
@Override
public String toString() {
return "Paired";
}
}