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Update Legerdemain to use filters in targeting.

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Fix the way targeting is handled on Legerdemain.

Previously it was possible to get into an impossible state if there was
no valid second target.
This commit is contained in:
Samuel Sandeen 2016-07-26 08:33:33 -04:00
parent 4c9a49df5b
commit 2173069c09
1 changed files with 38 additions and 25 deletions
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51
Mage.Sets/src/mage/sets/tempest/Legerdemain.java
View file

@ -28,6 +28,7 @@
package mage.sets.tempest;
import java.util.UUID;
import mage.MageItem;
import mage.abilities.Ability;
import mage.abilities.effects.common.continuous.ExchangeControlTargetEffect;
import mage.cards.CardImpl;
@ -35,10 +36,14 @@ import mage.constants.CardType;
import mage.constants.Duration;
import mage.constants.Rarity;
import mage.filter.FilterPermanent;
import mage.filter.predicate.ObjectSourcePlayer;
import mage.filter.predicate.ObjectSourcePlayerPredicate;
import mage.filter.predicate.Predicates;
import mage.filter.predicate.mageobject.AnotherTargetPredicate;
import mage.filter.predicate.mageobject.CardTypePredicate;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.game.stack.StackObject;
import mage.target.TargetPermanent;
/**
@ -47,9 +52,12 @@ import mage.target.TargetPermanent;
*/
public class Legerdemain extends CardImpl {
private static final FilterPermanent filter = new FilterPermanent("artifact or creature");
private static final FilterPermanent firstFilter = new FilterPermanent("artifact or creature");
private static final FilterPermanent secondFilter = new FilterPermanent("another permanent that shares the type of artifact or creature");
static {
filter.add(Predicates.or(new CardTypePredicate(CardType.ARTIFACT), new CardTypePredicate(CardType.CREATURE)));
firstFilter.add(Predicates.or(new CardTypePredicate(CardType.ARTIFACT), new CardTypePredicate(CardType.CREATURE)));
secondFilter.add(new AnotherTargetPredicate(2));
secondFilter.add(new SharesTypePredicate());
}
public Legerdemain(UUID ownerId) {
@ -58,8 +66,12 @@ public class Legerdemain extends CardImpl {
// Exchange control of target artifact or creature and another target permanent that shares one of those types with it.
this.getSpellAbility().addEffect(new ExchangeControlTargetEffect(Duration.EndOfGame, "Exchange control of target artifact or creature and another target permanent that shares one of those types with it", false, true));
this.getSpellAbility().addTarget(new TargetPermanent(filter));
this.getSpellAbility().addTarget(new LegerdemainSecondTarget());
TargetPermanent firstTarget = new TargetPermanent(firstFilter);
firstTarget.setTargetTag(1);
TargetPermanent secondTarget = new TargetPermanent(secondFilter);
secondTarget.setTargetTag(2);
this.getSpellAbility().addTarget(firstTarget);
this.getSpellAbility().addTarget(secondTarget);
}
public Legerdemain(final Legerdemain card) {
@ -72,21 +84,19 @@ public class Legerdemain extends CardImpl {
}
}
class LegerdemainSecondTarget extends TargetPermanent {
LegerdemainSecondTarget() {
super();
this.targetName = "another permanent that shares one of those types";
}
LegerdemainSecondTarget(final LegerdemainSecondTarget target) {
super(target);
}
class SharesTypePredicate implements ObjectSourcePlayerPredicate<ObjectSourcePlayer<MageItem>> {
@Override
public boolean canTarget(UUID controllerId, UUID id, Ability source, Game game) {
Permanent firstPermanent = game.getPermanent(source.getTargets().getFirstTarget());
Permanent secondPermanent = game.getPermanent(id);
public boolean apply(ObjectSourcePlayer<MageItem> input, Game game) {
StackObject source = game.getStack().getStackObject(input.getSourceId());
if (source != null) {
if (source.getStackAbility().getTargets().isEmpty()
|| source.getStackAbility().getTargets().get(0).getTargets().isEmpty()) {
return true;
}
Permanent firstPermanent = game.getPermanent(
source.getStackAbility().getTargets().get(0).getTargets().get(0));
Permanent secondPermanent = game.getPermanent(input.getObject().getId());
if (firstPermanent != null && secondPermanent != null) {
if (firstPermanent.getCardType().contains(CardType.CREATURE) && secondPermanent.getCardType().contains(CardType.CREATURE)) {
return true;
@ -97,9 +107,12 @@ class LegerdemainSecondTarget extends TargetPermanent {
}
return false;
}
return true;
}
@Override
public LegerdemainSecondTarget copy() {
return new LegerdemainSecondTarget(this);
public String toString() {
return "Target permanent that shares the type of artifact or creature";
}
}