forked from External/mage
130 lines
4.1 KiB
Java
130 lines
4.1 KiB
Java
package mage.abilities.keyword;
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import mage.MageObjectReference;
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import mage.abilities.Ability;
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import mage.abilities.TriggeredAbilityImpl;
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import mage.abilities.effects.OneShotEffect;
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import mage.cards.Card;
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import mage.cards.CardsImpl;
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import mage.constants.Outcome;
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import mage.constants.Zone;
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import mage.game.ExileZone;
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import mage.game.Game;
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import mage.game.events.GameEvent;
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import mage.game.stack.Spell;
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import mage.players.Player;
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/**
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* @author BetaSteward_at_googlemail.com
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*/
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public class CascadeAbility extends TriggeredAbilityImpl {
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//20091005 - 702.82
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private static final String REMINDERTEXT = " <i>(When you cast this spell, "
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+ "exile cards from the top of your library until you exile a "
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+ "nonland card that costs less."
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+ " You may cast it without paying its mana cost. "
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+ "Put the exiled cards on the bottom in a random order.)</i>";
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private boolean withReminder;
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public CascadeAbility() {
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this(true);
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}
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public CascadeAbility(boolean withReminder) {
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super(Zone.STACK, new CascadeEffect());
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this.withReminder = withReminder;
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}
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public CascadeAbility(final CascadeAbility ability) {
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super(ability);
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this.withReminder = ability.withReminder;
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}
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@Override
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public boolean checkEventType(GameEvent event, Game game) {
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return event.getType() == GameEvent.EventType.SPELL_CAST;
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}
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@Override
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public boolean checkTrigger(GameEvent event, Game game) {
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Spell spell = game.getStack().getSpell(event.getTargetId());
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return spell != null
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&& spell.getSourceId().equals(this.getSourceId());
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}
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@Override
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public String getRule() {
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StringBuilder sb = new StringBuilder("Cascade");
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if (withReminder) {
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sb.append(REMINDERTEXT);
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}
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return sb.toString();
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}
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@Override
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public CascadeAbility copy() {
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return new CascadeAbility(this);
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}
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}
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class CascadeEffect extends OneShotEffect {
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public CascadeEffect() {
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super(Outcome.PutCardInPlay);
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}
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public CascadeEffect(CascadeEffect effect) {
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super(effect);
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}
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@Override
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public boolean apply(Game game, Ability source) {
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Card card;
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Player controller = game.getPlayer(source.getControllerId());
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if (controller == null) {
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return false;
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}
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ExileZone exile = game.getExile().createZone(source.getSourceId(),
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controller.getName() + " Cascade");
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card = game.getCard(source.getSourceId());
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if (card == null) {
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return false;
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}
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int sourceCost = card.getConvertedManaCost();
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do {
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card = controller.getLibrary().getFromTop(game);
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if (card == null) {
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break;
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}
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controller.moveCardsToExile(card, source, game, true, exile.getId(), exile.getName());
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} while (controller.canRespond()
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&& (card.isLand()
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|| !cardThatCostsLess(sourceCost, card, game)));
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controller.getLibrary().reset(); // set back empty draw state if that caused an empty draw
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if (card != null) {
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if (controller.chooseUse(outcome, "Use cascade effect on " + card.getLogName() + '?', source, game)) {
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game.getState().setValue("PlayFromNotOwnHandZone" + card.getId(), Boolean.TRUE);
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controller.cast(controller.chooseAbilityForCast(card, game, true),
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game, true, new MageObjectReference(source.getSourceObject(game), game));
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game.getState().setValue("PlayFromNotOwnHandZone" + card.getId(), null);
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}
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}
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// Move the remaining cards to the buttom of the library in a random order
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return controller.putCardsOnBottomOfLibrary(new CardsImpl(exile), game, source, false);
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}
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@Override
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public CascadeEffect copy() {
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return new CascadeEffect(this);
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}
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private boolean cardThatCostsLess(int value, Card card, Game game) {
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return card.getConvertedManaCost() < value;
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}
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}
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