Implemented Topple

Mage.Sets/src/mage/cards/t/Topple.java

@@ -0,0 +1,129 @@
+/*
+ *  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.cards.t;
+
+import java.util.List;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.UUID;
+import mage.MageObject;
+import mage.abilities.Ability;
+import mage.abilities.effects.common.ExileTargetEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.filter.predicate.mageobject.CardTypePredicate;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.target.TargetPermanent;
+
+/**
+ *
+ * @author L_J
+ */
+public class Topple extends CardImpl {
+
+    public Topple (UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId,setInfo,new CardType[]{CardType.SORCERY},"{2}{W}");
+
+        // Exile target creature with the greatest power among creatures on the battlefield.
+        this.getSpellAbility().addEffect(new ExileTargetEffect());
+        this.getSpellAbility().addTarget(new ToppleTargetCreature());
+    }
+
+    public Topple (final Topple card) {
+        super(card);
+    }
+
+    @Override
+    public Topple copy() {
+        return new Topple(this);
+    }
+}
+
+class ToppleTargetCreature extends TargetPermanent {
+
+    public ToppleTargetCreature() {
+        super();
+        filter.add(new CardTypePredicate(CardType.CREATURE));
+        setTargetName("creature with the greatest power among creatures on the battlefield");
+    }
+
+    public ToppleTargetCreature(final ToppleTargetCreature target) {
+        super(target);
+    }
+
+    @Override
+    public boolean canTarget(UUID controllerId, UUID id, Ability source, Game game) {
+        if (super.canTarget(controllerId, id, source, game)) {
+            int maxPower = 0;
+            for (Permanent permanent : game.getBattlefield().getActivePermanents(filter, source.getControllerId(), source.getId(), game)) {
+                if (permanent.getPower().getValue() > maxPower) {
+                    maxPower = permanent.getPower().getValue();
+                }
+            }
+            Permanent targetPermanent = game.getPermanent(id);
+            if (targetPermanent != null) {
+                return targetPermanent.getPower().getValue() == maxPower;
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public Set<UUID> possibleTargets(UUID sourceId, UUID sourceControllerId, Game game) {
+        int maxPower = 0;
+        List<Permanent> activePermanents = game.getBattlefield().getActivePermanents(filter, sourceControllerId, sourceId, game);
+        Set<UUID> possibleTargets = new HashSet<>();
+        MageObject targetSource = game.getObject(sourceId);
+        for (Permanent permanent : activePermanents) {
+            if (permanent.getPower().getValue() > maxPower) {
+                maxPower = permanent.getPower().getValue();
+            }
+        }
+        for (Permanent permanent : activePermanents) {
+            if (!targets.containsKey(permanent.getId()) && permanent.canBeTargetedBy(targetSource, sourceControllerId, game)) {
+                if (permanent.getPower().getValue() == maxPower) {
+                    possibleTargets.add(permanent.getId());
+                }
+            }
+        }
+        return possibleTargets;
+    }
+
+    @Override
+    public boolean canChoose(UUID sourceId, UUID sourceControllerId, Game game) {
+        return !possibleTargets(sourceId, sourceControllerId, game).isEmpty();
+    }
+
+    @Override
+    public ToppleTargetCreature copy() {
+        return new ToppleTargetCreature(this);
+    }
+}