spjspj - Implement Portcullis (STH)

Mage.Sets/src/mage/sets/stronghold/Portcullis.java

@@ -0,0 +1,133 @@
+/*
+ *  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.stronghold;
+
+import java.util.UUID;
+import mage.abilities.Ability;
+import mage.abilities.TriggeredAbility;
+import mage.abilities.common.EntersBattlefieldAllTriggeredAbility;
+import mage.abilities.common.LeavesBattlefieldTriggeredAbility;
+import mage.abilities.condition.Condition;
+import mage.abilities.decorator.ConditionalTriggeredAbility;
+import mage.abilities.dynamicvalue.common.PermanentsOnBattlefieldCount;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.ReturnFromExileForSourceEffect;
+import mage.cards.CardImpl;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.Rarity;
+import mage.constants.SetTargetPointer;
+import mage.constants.Zone;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.game.Game;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+import mage.util.CardUtil;
+
+/**
+ *
+ * @author spjspj
+ */
+public class Portcullis extends CardImpl {
+
+    private final static FilterCreaturePermanent filter = new FilterCreaturePermanent("a creature");
+
+    public Portcullis(UUID ownerId) {
+        super(ownerId, 133, "Portcullis", Rarity.RARE, new CardType[]{CardType.ARTIFACT}, "{4}");
+        this.expansionSetCode = "STH";
+
+        // Whenever a creature enters the battlefield, if there are two or more other creatures on the battlefield, exile that creature.
+        String rule = "Whenever a creature enters the battlefield, if there are two or more other creatures on the battlefield, exile that creature";
+        TriggeredAbility ability = new EntersBattlefieldAllTriggeredAbility(Zone.BATTLEFIELD, new PortcullisExileEffect(), filter, false, SetTargetPointer.PERMANENT, rule, true);
+
+        MoreThanXCreaturesOnBFCondition condition = new MoreThanXCreaturesOnBFCondition(2);
+        this.addAbility(new ConditionalTriggeredAbility(ability, condition, rule));
+
+        // Return that card to the battlefield under its owner's control when Portcullis leaves the battlefield.
+        Ability ability2 = new LeavesBattlefieldTriggeredAbility(new ReturnFromExileForSourceEffect(Zone.BATTLEFIELD), false);
+        this.addAbility(ability2);
+    }
+
+    public Portcullis(final Portcullis card) {
+        super(card);
+    }
+
+    @Override
+    public Portcullis copy() {
+        return new Portcullis(this);
+    }
+}
+
+class MoreThanXCreaturesOnBFCondition implements Condition {
+
+    protected final int value;
+    private static final FilterCreaturePermanent filter = new FilterCreaturePermanent("creatures on field");
+
+    public MoreThanXCreaturesOnBFCondition(int value) {
+        this.value = value;
+    }
+
+    @Override
+    public final boolean apply(Game game, Ability source) {
+        PermanentsOnBattlefieldCount amount = new PermanentsOnBattlefieldCount(filter);
+        int count = amount.calculate(game, source, null);
+        return count > value;
+    }
+}
+
+class PortcullisExileEffect extends OneShotEffect {
+
+    public PortcullisExileEffect() {
+        super(Outcome.Neutral);
+        this.staticText = "Whenever a creature enters the battlefield, if there are two or more other creatures on the battlefield, exile that creature.";
+    }
+
+    public PortcullisExileEffect(final PortcullisExileEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public PortcullisExileEffect copy() {
+        return new PortcullisExileEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent permanent = game.getPermanent(source.getSourceId());
+        Permanent creature = game.getPermanent(targetPointer.getFirst(game, source));
+
+        if (permanent != null && creature != null) {
+            Player controller = game.getPlayer(creature.getControllerId());
+            Zone currentZone = game.getState().getZone(creature.getId());
+            if (currentZone.equals(Zone.BATTLEFIELD)) {
+                controller.moveCardsToExile(creature, source, game, true, CardUtil.getCardExileZoneId(game, source), permanent.getIdName());
+            }
+        }
+        return false;
+    }
+}