Implemented Void Maw

Mage.Sets/src/mage/cards/v/VoidMaw.java

@@ -0,0 +1,190 @@
+/*
+ *  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.v;
+
+import java.util.UUID;
+import mage.MageInt;
+import mage.MageObject;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleActivatedAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.costs.Cost;
+import mage.abilities.costs.CostImpl;
+import mage.abilities.effects.ReplacementEffectImpl;
+import mage.abilities.effects.common.continuous.BoostSourceEffect;
+import mage.abilities.keyword.TrampleAbility;
+import mage.cards.Card;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.cards.Cards;
+import mage.constants.*;
+import mage.filter.FilterCard;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.events.ZoneChangeEvent;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+import mage.target.common.TargetCardInExile;
+import mage.util.CardUtil;
+
+/**
+ * @author jeffwadsworth & L_J
+ */
+public class VoidMaw extends CardImpl {
+
+    public VoidMaw(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{4}{B}{B}");
+        this.subtype.add(SubType.HORROR);
+        this.power = new MageInt(4);
+        this.toughness = new MageInt(5);
+
+        // Trample
+        this.addAbility(TrampleAbility.getInstance());
+
+        // If another creature would die, exile it instead.
+        this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new VoidMawEffect()));
+
+        // Put a card exiled with Void Maw into its owner's graveyard: Void Maw gets +2/+2 until end of turn.
+        this.addAbility(new SimpleActivatedAbility(Zone.BATTLEFIELD, new BoostSourceEffect(2, 2, Duration.EndOfTurn), new VoidMawCost()));
+    }
+
+    public VoidMaw(final VoidMaw card) {
+        super(card);
+    }
+
+    @Override
+    public VoidMaw copy() {
+        return new VoidMaw(this);
+    }
+}
+
+class VoidMawEffect extends ReplacementEffectImpl {
+
+    public VoidMawEffect() {
+        super(Duration.WhileOnBattlefield, Outcome.Benefit);
+        staticText = "If another creature would die, exile it instead";
+    }
+
+    public VoidMawEffect(final VoidMawEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public VoidMawEffect copy() {
+        return new VoidMawEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        return true;
+    }
+
+    @Override
+    public boolean replaceEvent(GameEvent event, Ability source, Game game) {
+        Player controller = game.getPlayer(source.getControllerId());
+        MageObject sourceObject = source.getSourceObject(game);
+        if (controller != null && sourceObject != null) {
+            if (((ZoneChangeEvent) event).getFromZone() == Zone.BATTLEFIELD) {
+                Permanent permanent = ((ZoneChangeEvent) event).getTarget();
+                if (permanent != null) {
+                    UUID exileZoneId = CardUtil.getCardExileZoneId(game, source);
+                    if (controller.moveCardsToExile(permanent, source, game, false, exileZoneId, sourceObject.getIdName())) {
+                        return true;
+                    }
+                }
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public boolean checksEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.ZONE_CHANGE;
+    }
+
+    @Override
+    public boolean applies(GameEvent event, Ability source, Game game) {
+        ZoneChangeEvent zEvent = (ZoneChangeEvent) event;
+        if (zEvent.getToZone() == Zone.GRAVEYARD) {
+            Permanent permanent = ((ZoneChangeEvent) event).getTarget();
+            if (permanent != null && permanent.getId() != source.getSourceId()) {
+                if (zEvent.getTarget() != null) { // if it comes from permanent, check if it was a creature on the battlefield
+                    if (zEvent.getTarget().isCreature()) {
+                        return true;
+                    }
+                } else if (permanent.isCreature()) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+}
+
+class VoidMawCost extends CostImpl {
+
+    public VoidMawCost() {
+        this.text = "Put a card exiled with {this} into its owner's graveyard";
+    }
+
+    public VoidMawCost(VoidMawCost cost) {
+        super(cost);
+    }
+
+    @Override
+    public boolean pay(Ability ability, Game game, UUID sourceId, UUID controllerId, boolean noMana, Cost costToPay) {
+        Player controller = game.getPlayer(controllerId);
+        if (controller != null) {
+            TargetCardInExile target = new TargetCardInExile(new FilterCard(), CardUtil.getCardExileZoneId(game, ability));
+            target.setNotTarget(true);
+            Cards cards = game.getExile().getExileZone(CardUtil.getCardExileZoneId(game, ability));
+            if (!cards.isEmpty()
+                    && controller.choose(Outcome.Benefit, cards, target, game)) {
+                Card card = game.getCard(target.getFirstTarget());
+                if (card != null) {
+                    if (controller.moveCardToGraveyardWithInfo(card, sourceId, game, Zone.EXILED)) {
+                        paid = true;
+                    }
+                }
+            }
+        }
+        return paid;
+    }
+
+    @Override
+    public boolean canPay(Ability ability, UUID sourceId, UUID controllerId, Game game) {
+        Player player = game.getPlayer(controllerId);
+        return player != null;
+    }
+
+    @Override
+    public VoidMawCost copy() {
+        return new VoidMawCost(this);
+    }
+}