foul-magics/Mage/src/main/java/mage/abilities/keyword/DredgeAbility.java

98 lines
3.1 KiB
Java

package mage.abilities.keyword;
import mage.abilities.Ability;
import mage.abilities.common.SimpleStaticAbility;
import mage.abilities.effects.ReplacementEffectImpl;
import mage.cards.Card;
import mage.constants.Duration;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.events.GameEvent.EventType;
import mage.players.Player;
import mage.util.CardUtil;
/**
* If you would draw a card, you may mill X cards instead. If you do, return
* this card from your graveyard to your hand.
*
* @author North
*/
public class DredgeAbility extends SimpleStaticAbility {
public DredgeAbility(int value) {
super(Zone.GRAVEYARD, new DredgeEffect(value));
}
public DredgeAbility(final DredgeAbility ability) {
super(ability);
}
@Override
public DredgeAbility copy() {
return new DredgeAbility(this);
}
}
class DredgeEffect extends ReplacementEffectImpl {
private final int amount;
public DredgeEffect(int value) {
super(Duration.WhileInGraveyard, Outcome.AIDontUseIt);
this.amount = value;
this.staticText = "Dredge " + value + " <i>(If you would draw a card, you may mill "
+ CardUtil.numberToText(value, "a") + (value > 1 ? " cards" : " card")
+ " instead. If you do, return this card from your graveyard to your hand.)</i>";
}
public DredgeEffect(final DredgeEffect effect) {
super(effect);
this.amount = effect.amount;
}
@Override
public DredgeEffect copy() {
return new DredgeEffect(this);
}
@Override
public boolean apply(Game game, Ability source) {
return true;
}
@Override
public boolean replaceEvent(GameEvent event, Ability source, Game game) {
Card sourceCard = game.getCard(source.getSourceId());
if (sourceCard == null) {
return false;
}
Player owner = game.getPlayer(game.getCard(source.getSourceId()).getOwnerId());
if (owner != null
&& owner.getLibrary().size() >= amount
&& owner.chooseUse(outcome, new StringBuilder("Dredge ").append(sourceCard.getLogName()).
append("? (").append(amount).append(" cards are milled)").toString(), source, game)) {
if (!game.isSimulation()) {
game.informPlayers(new StringBuilder(owner.getLogName()).append(" dredges ").append(sourceCard.getLogName()).toString());
}
owner.millCards(amount, source, game);
owner.moveCards(sourceCard, Zone.HAND, source, game);
return true;
}
return false;
}
@Override
public boolean checksEventType(GameEvent event, Game game) {
return event.getType() == EventType.DRAW_CARD;
}
@Override
public boolean applies(GameEvent event, Ability source, Game game) {
Player owner = game.getPlayer(game.getCard(source.getSourceId()).getOwnerId());
return (owner != null
&& event.getPlayerId().equals(owner.getId())
&& owner.getLibrary().size() >= amount);
}
}