Added implementation of Aura Graft

Mage.Sets/src/mage/sets/tenth/AuraGraft.java

@@ -0,0 +1,164 @@
+/*
+ *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
+ *
+ *  Redistribution and use in source and binary forms, with or without modification, are
+ *  permitted provided that the following conditions are met:
+ *
+ *     1. Redistributions of source code must retain the above copyright notice, this list of
+ *        conditions and the following disclaimer.
+ *
+ *     2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *        of conditions and the following disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ *  THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ *  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
+ *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  The views and conclusions contained in the software and documentation are those of the
+ *  authors and should not be interpreted as representing official policies, either expressed
+ *  or implied, of BetaSteward_at_googlemail.com.
+ */
+package mage.sets.tenth;
+
+import java.util.UUID;
+import mage.abilities.Ability;
+import mage.abilities.effects.Effect;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.continious.GainControlTargetEffect;
+import mage.constants.CardType;
+import mage.constants.Rarity;
+import mage.cards.CardImpl;
+import mage.constants.Duration;
+import mage.constants.Outcome;
+import mage.filter.Filter;
+import mage.filter.FilterPermanent;
+import mage.filter.predicate.ObjectPlayer;
+import mage.filter.predicate.ObjectPlayerPredicate;
+import mage.filter.predicate.mageobject.SubtypePredicate;
+import mage.filter.predicate.permanent.AnotherPredicate;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+import mage.target.Target;
+import mage.target.TargetPermanent;
+import mage.util.TargetAddress;
+
+/**
+ * @author duncancmt
+ */
+public class AuraGraft extends CardImpl {
+
+    public AuraGraft(UUID ownerId) {
+        super(ownerId, 67, "Aura Graft", Rarity.UNCOMMON, new CardType[]{CardType.INSTANT}, "{1}{U}");
+        this.expansionSetCode = "10E";
+
+        FilterPermanent filter = new FilterPermanent("Aura that's attached to a permanent");
+        filter.add(new SubtypePredicate("Aura"));
+        filter.add(new AttachedToPermanentPredicate());
+        this.getSpellAbility().addTarget(new TargetPermanent(filter));
+
+        Effect gainControlEffect = new GainControlTargetEffect(Duration.EndOfGame);
+        //gainControlEffect.setText("Gain control of target Aura that's attached to a permanent");
+        this.getSpellAbility().addEffect(gainControlEffect);
+
+        this.getSpellAbility().addEffect(new MoveTargetAuraEffect());
+    }
+
+    public AuraGraft(final AuraGraft card) {
+        super(card);
+    }
+
+    @Override
+    public AuraGraft copy() {
+        return new AuraGraft(this);
+    }
+}
+
+
+class AttachedToPermanentPredicate implements ObjectPlayerPredicate<ObjectPlayer<Permanent>> {
+
+    public AttachedToPermanentPredicate() {
+        super();
+    }
+
+    public boolean apply(ObjectPlayer<Permanent> input, Game game) {
+        Permanent attached = input.getObject();
+        return attached != null && game.getPermanent(attached.getAttachedTo()) != null;
+    }
+}
+
+class PermanentCanBeAttachedToPredicate implements ObjectPlayerPredicate<ObjectPlayer<Permanent>> {
+    protected Permanent aura;
+
+    public PermanentCanBeAttachedToPredicate(Permanent aura) {
+        super();
+        this.aura = aura;
+    }
+
+    public boolean apply(ObjectPlayer<Permanent> input, Game game) {
+        Permanent potentialAttachment = input.getObject();
+        for (TargetAddress addr : TargetAddress.walk(aura)) {
+            Target target = addr.getTarget(aura);
+            Filter filter = target.getFilter();
+            return filter.match(potentialAttachment, game);
+        }
+        return false;
+    }
+}
+
+class MoveTargetAuraEffect extends OneShotEffect {
+
+    public MoveTargetAuraEffect() {
+        super(Outcome.Benefit);
+        staticText = "Attach it to another permanent it can enchant";
+    }
+
+    public MoveTargetAuraEffect(final MoveTargetAuraEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public MoveTargetAuraEffect copy() {
+        return new MoveTargetAuraEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source){
+        Permanent enchantment = game.getPermanent(targetPointer.getFirst(game, source));
+        if (enchantment == null) {
+            return false;
+        }
+        Permanent oldAttachment = game.getPermanent(enchantment.getAttachedTo());
+        if (oldAttachment == null) {
+            return false;
+        }
+        Player controller = game.getPlayer(source.getControllerId());
+        if (controller == null) {
+            return false;
+        }
+
+        FilterPermanent filter = new FilterPermanent("another permanent " + enchantment.getLogName() + " can enchant");
+        filter.add(new AnotherPredicate());
+        filter.add(new PermanentCanBeAttachedToPredicate(enchantment));
+        Target target = new TargetPermanent(filter);
+        target.setNotTarget(true);
+        if (target.canChoose(oldAttachment.getId(), controller.getId(), game)
+            && controller.choose(outcome, target, oldAttachment.getId(), game)) {
+            Permanent newAttachment = game.getPermanent(target.getFirstTarget());
+            if (newAttachment != null &&
+                oldAttachment.removeAttachment(enchantment.getId(), game)) {
+                newAttachment.addAttachment(enchantment.getId(), game);
+                game.informPlayers(enchantment.getLogName() + " was unattached from " + oldAttachment.getLogName() + " and attached to " + newAttachment.getLogName());
+                return true;
+            }
+        }
+        return false;
+    }
+}