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package mage.abilities.keyword;
import java.util.UUID;
import mage.constants.Zone;
import mage.abilities.Ability;
import mage.abilities.TriggeredAbilityImpl;
import mage.abilities.costs.Cost;
import mage.abilities.costs.mana.ManaCostsImpl;
import mage.abilities.effects.OneShotEffect;
import mage.constants.Outcome;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.permanent.Permanent;
import mage.players.Player;
/**
* FAQ 2013/01/11
*
* 702.99. Extort
*
* 702.99a Extort is a triggered ability. "Extort" means "Whenever you cast a spell,
* you may pay White or Black Mana. If you do, each opponent loses 1 life and you gain
* life equal to the total life lost this way."
*
* 702.99b If a permanent has multiple instances of extort, each triggers separately.
*
* @author LevelX2
*/
public class ExtortAbility extends TriggeredAbilityImpl {
public ExtortAbility() {
super(Zone.BATTLEFIELD, new ExtortEffect(), false);
}
public ExtortAbility(final ExtortAbility ability) {
super(ability);
}
@Override
public boolean checkTrigger(GameEvent event, Game game) {
if (event.getType() == GameEvent.EventType.SPELL_CAST && event.getPlayerId().equals(this.getControllerId())) {
return true;
}
return false;
}
@Override
public String getRule() {
return "Extort <i>(Whenever you cast a spell, you may pay {WB}. If you do, each opponent loses 1 life and you gain that much life.)</i>";
}
@Override
public ExtortAbility copy() {
return new ExtortAbility(this);
}
}
class ExtortEffect extends OneShotEffect {
public ExtortEffect() {
super(Outcome.Damage);
staticText = "each opponent loses 1 life and you gain that much life";
}
public ExtortEffect(final ExtortEffect effect) {
super(effect);
}
@Override
public boolean apply(Game game, Ability source) {
Player player = game.getPlayer(source.getControllerId());
Permanent permanent = game.getPermanent(source.getSourceId());
if (player != null && permanent != null) {
if (player.chooseUse(Outcome.Damage, new StringBuilder("Extort opponents? (").append(permanent.getName()).append(")").toString(), game)) {
Cost cost = new ManaCostsImpl("{W/B}");
if (cost.pay(source, game, source.getSourceId(), player.getId(), false)) {
int loseLife = 0;
for (UUID opponentId : game.getOpponents(source.getControllerId())) {
loseLife += game.getPlayer(opponentId).loseLife(1, game);
}
if (loseLife > 0) {
game.getPlayer(source.getControllerId()).gainLife(loseLife, game);
}
game.informPlayers(new StringBuilder(permanent.getName()).append(" extorted opponents ").append(loseLife).append(" life").toString());
}
}
return true;
}
return false;
}
@Override
public ExtortEffect copy() {
return new ExtortEffect(this);
}
}