foul-magics/Mage/src/main/java/mage/abilities/keyword/CascadeAbility.java
2020-07-01 13:13:44 +04:00

130 lines
4.1 KiB
Java

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