forked from External/mage
101 lines
3.4 KiB
Java
101 lines
3.4 KiB
Java
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package mage.abilities.keyword;
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import mage.abilities.Ability;
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import mage.abilities.common.SimpleStaticAbility;
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import mage.abilities.effects.ReplacementEffectImpl;
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import mage.cards.Card;
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import mage.cards.Cards;
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import mage.cards.CardsImpl;
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import mage.constants.Duration;
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import mage.constants.Outcome;
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import mage.constants.Zone;
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import mage.game.Game;
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import mage.game.events.GameEvent;
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import mage.game.events.GameEvent.EventType;
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import mage.players.Player;
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/**
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* If you would draw a card, instead you may put exactly X cards from the top of your library into your graveyard. If
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* you do, return this card from your graveyard to your hand. Otherwise, draw a card.
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*
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* @author North
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*/
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public class DredgeAbility extends SimpleStaticAbility {
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public DredgeAbility(int value) {
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super(Zone.GRAVEYARD, new DredgeEffect(value));
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}
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public DredgeAbility(final DredgeAbility ability) {
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super(ability);
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}
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@Override
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public DredgeAbility copy() {
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return new DredgeAbility(this);
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}
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}
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class DredgeEffect extends ReplacementEffectImpl {
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private final int amount;
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public DredgeEffect(int value) {
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super(Duration.WhileInGraveyard, Outcome.ReturnToHand);
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this.amount = value;
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this.staticText = new StringBuilder("Dredge ").append(Integer.toString(value)).append(" <i>(If you would draw a card, instead you may put exactly ").append(value).append(" card(s) from the top of your library into your graveyard. If you do, return this card from your graveyard to your hand. Otherwise, draw a card.)</i>").toString();
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}
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public DredgeEffect(final DredgeEffect effect) {
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super(effect);
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this.amount = effect.amount;
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}
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@Override
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public DredgeEffect copy() {
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return new DredgeEffect(this);
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}
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@Override
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public boolean apply(Game game, Ability source) {
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return true;
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}
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@Override
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public boolean replaceEvent(GameEvent event, Ability source, Game game) {
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Card sourceCard = game.getCard(source.getSourceId());
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if (sourceCard == null) {
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return false;
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}
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Player player = game.getPlayer(source.getControllerId());
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if (player != null && player.getLibrary().size() >= amount
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&& player.chooseUse(outcome, new StringBuilder("Dredge ").append(sourceCard.getLogName()).
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append("? (").append(amount).append(" cards go from top of library to graveyard)").toString(), source, game)) {
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if (!game.isSimulation()) {
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game.informPlayers(new StringBuilder(player.getLogName()).append(" dredges ").append(sourceCard.getLogName()).toString());
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}
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Cards cardsToGrave = new CardsImpl();
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cardsToGrave.addAll(player.getLibrary().getTopCards(game, amount));
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player.moveCards(cardsToGrave, Zone.GRAVEYARD, source, game);
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player.moveCards(sourceCard, Zone.HAND, source, game);
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return true;
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}
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return false;
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}
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@Override
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public boolean checksEventType(GameEvent event, Game game) {
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return event.getType() == EventType.DRAW_CARD;
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}
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@Override
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public boolean applies(GameEvent event, Ability source, Game game) {
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if (event.getPlayerId().equals(source.getControllerId())) {
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Player controller = game.getPlayer(source.getControllerId());
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return controller != null && controller.getLibrary().size() >= amount;
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}
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return false;
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}
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}
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