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package mage.cards.g;
import mage.abilities.Ability;
import mage.abilities.TriggeredAbilityImpl;
import mage.abilities.effects.ContinuousEffectImpl;
import mage.abilities.effects.Effect;
import mage.abilities.keyword.FlyingAbility;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.*;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.events.GameEvent.EventType;
import mage.game.permanent.Permanent;
import mage.target.targetpointer.FixedTarget;
import java.util.UUID;
/**
*
* @author jeffwadsworth
*/
public class GravityWell extends CardImpl {
public GravityWell(UUID ownerId, CardSetInfo setInfo) {
super(ownerId,setInfo,new CardType[]{CardType.ENCHANTMENT},"{1}{G}{G}");
// Whenever a creature with flying attacks, it loses flying until end of turn.
this.addAbility(new GravityWellTriggeredAbility());
}
public GravityWell(final GravityWell card) {
super(card);
}
@Override
public GravityWell copy() {
return new GravityWell(this);
}
}
class GravityWellTriggeredAbility extends TriggeredAbilityImpl {
public GravityWellTriggeredAbility() {
super(Zone.BATTLEFIELD, new GravityWellEffect());
}
public GravityWellTriggeredAbility(final GravityWellTriggeredAbility ability) {
super(ability);
}
@Override
public boolean checkEventType(GameEvent event, Game game) {
return event.getType() == EventType.ATTACKER_DECLARED;
}
@Override
public boolean checkTrigger(GameEvent event, Game game) {
Permanent attacker = game.getPermanent(event.getSourceId());
if (attacker != null && attacker.getAbilities().contains(FlyingAbility.getInstance())) {
for (Effect effect : getEffects()) {
effect.setTargetPointer(new FixedTarget(event.getSourceId()));
}
return true;
}
return false;
}
@Override
public String getRule() {
return "Whenever a creature with flying attacks, " + super.getRule();
}
@Override
public GravityWellTriggeredAbility copy() {
return new GravityWellTriggeredAbility(this);
}
}
class GravityWellEffect extends ContinuousEffectImpl {
public GravityWellEffect() {
super(Duration.EndOfTurn, Outcome.LoseAbility);
staticText = "it loses flying until end of turn";
}
public GravityWellEffect(final GravityWellEffect effect) {
super(effect);
}
@Override
public GravityWellEffect copy() {
return new GravityWellEffect(this);
}
@Override
public boolean apply(Layer layer, SubLayer sublayer, Ability source, Game game) {
Permanent permanent = game.getPermanent(targetPointer.getFirst(game, source));
if (permanent != null) {
switch (layer) {
case AbilityAddingRemovingEffects_6:
if (sublayer == SubLayer.NA) {
permanent.getAbilities().removeIf(entry -> entry.getId().equals(FlyingAbility.getInstance().getId()));
}
break;
}
return true;
}
return false;
}
@Override
public boolean apply(Game game, Ability source) {
return false;
}
@Override
public boolean hasLayer(Layer layer) {
return layer == Layer.AbilityAddingRemovingEffects_6;
}
}