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* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
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package mage.abilities.common.delayed;
import java.util.LinkedHashSet;
import java.util.UUID;
import mage.MageObject;
import mage.abilities.Ability;
import mage.abilities.DelayedTriggeredAbility;
import mage.abilities.effects.OneShotEffect;
import mage.constants.Duration;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.game.ExileZone;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.events.ZoneChangeEvent;
import mage.players.Player;
import mage.util.CardUtil;
/**
*
* Returns the exiled cards/permanents as source leaves battlefield
*
* Uses no stack
*
* @author LevelX2
*/
public class OnLeaveReturnExiledToBattlefieldAbility extends DelayedTriggeredAbility {
public OnLeaveReturnExiledToBattlefieldAbility() {
super(new ReturnExiledPermanentsEffect(), Duration.OneUse);
this.usesStack = false;
this.setRuleVisible(false);
}
public OnLeaveReturnExiledToBattlefieldAbility(final OnLeaveReturnExiledToBattlefieldAbility ability) {
super(ability);
}
@Override
public OnLeaveReturnExiledToBattlefieldAbility copy() {
return new OnLeaveReturnExiledToBattlefieldAbility(this);
}
@Override
public boolean checkEventType(GameEvent event, Game game) {
return event.getType() == GameEvent.EventType.ZONE_CHANGE;
}
@Override
public boolean checkTrigger(GameEvent event, Game game) {
if (event.getTargetId().equals(this.getSourceId())) {
ZoneChangeEvent zEvent = (ZoneChangeEvent) event;
if (zEvent.getFromZone() == Zone.BATTLEFIELD) {
return true;
}
}
return false;
}
}
class ReturnExiledPermanentsEffect extends OneShotEffect {
public ReturnExiledPermanentsEffect() {
super(Outcome.Benefit);
this.staticText = "Return exiled permanents";
}
public ReturnExiledPermanentsEffect(final ReturnExiledPermanentsEffect effect) {
super(effect);
}
@Override
public ReturnExiledPermanentsEffect copy() {
return new ReturnExiledPermanentsEffect(this);
}
@Override
public boolean apply(Game game, Ability source) {
Player controller = game.getPlayer(source.getControllerId());
MageObject sourceObject = source.getSourceObject(game);
if (sourceObject != null && controller != null) {
ExileZone exile = getExileIfPossible(game, source);
if (exile != null) {
return controller.moveCards(new LinkedHashSet<>(exile.getCards(game)), Zone.BATTLEFIELD, source, game, false, false, true, null);
}
}
return false;
}
private ExileZone getExileIfPossible(final Game game, final Ability source) {
UUID exileZone = CardUtil.getExileZoneId(game, source.getSourceId(), source.getSourceObjectZoneChangeCounter());
if (exileZone != null) {
ExileZone exile = game.getExile().getExileZone(exileZone);
if (exile == null) {
// try without ZoneChangeCounter - that is useful for tokens
exileZone = CardUtil.getCardExileZoneId(game, source);
if (exileZone != null) {
return game.getExile().getExileZone(exileZone);
}
}
return exile;
}
return null;
}
}