Implemented Desolation

Mage.Sets/src/mage/cards/d/Desolation.java

@@ -0,0 +1,173 @@
+/*
+ *  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.d;
+
+import java.util.HashSet;
+import java.util.Set;
+import java.util.UUID;
+import mage.abilities.Ability;
+import mage.abilities.common.BeginningOfEndStepTriggeredAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.SubType;
+import mage.constants.Outcome;
+import mage.constants.TargetController;
+import mage.constants.WatcherScope;
+import mage.filter.FilterPermanent;
+import mage.filter.common.FilterControlledPermanent;
+import mage.filter.predicate.mageobject.CardTypePredicate;
+import mage.filter.predicate.mageobject.SubtypePredicate;
+import mage.filter.predicate.permanent.ControllerIdPredicate;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+import mage.target.common.TargetControlledPermanent;
+import mage.watchers.Watcher;
+
+/**
+ *
+ * @author L_J
+ */
+public class Desolation extends CardImpl {
+
+    public Desolation(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{1}{B}{B}");
+
+        // At the beginning of each end step, each player who tapped a land for mana this turn sacrifices a land. Desolation deals 2 damage to each player who sacrificed a Plains this way.
+        BeginningOfEndStepTriggeredAbility ability = new BeginningOfEndStepTriggeredAbility(new DesolationEffect(), TargetController.ANY, false);
+        this.addAbility(ability, new PlayerTappedForManaWatcher());
+    }
+
+    public Desolation(final Desolation card) {
+        super(card);
+    }
+
+    @Override
+    public Desolation copy() {
+        return new Desolation(this);
+    }
+}
+
+class DesolationEffect extends OneShotEffect {
+
+    private static final FilterPermanent filterPlains = new FilterPermanent();
+
+    static {
+        filterPlains.add(new SubtypePredicate(SubType.PLAINS));
+    }
+
+    public DesolationEffect() {
+        super(Outcome.Damage);
+        this.staticText = "each player who tapped a land for mana this turn sacrifices a land. Desolation deals 2 damage to each player who sacrificed a Plains this way";
+    }
+
+    public DesolationEffect(DesolationEffect copy) {
+        super(copy);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        PlayerTappedForManaWatcher watcher = (PlayerTappedForManaWatcher) game.getState().getWatchers().get(PlayerTappedForManaWatcher.class.getSimpleName());
+        if (watcher != null) {
+            for (UUID playerId : watcher.getPlayersTappedForMana()) {
+                Player player = game.getPlayer(playerId);
+                if (player != null) {
+                    FilterControlledPermanent filter = new FilterControlledPermanent("land");
+                    filter.add(new CardTypePredicate(CardType.LAND));
+                    filter.add(new ControllerIdPredicate(playerId));
+                    TargetControlledPermanent target = new TargetControlledPermanent(1, 1, filter, false);
+                    if (target.canChoose(player.getId(), game)) {
+                        player.choose(Outcome.Sacrifice, target, source.getSourceId(), game);
+                        Permanent permanent = game.getPermanent(target.getFirstTarget());
+                        if (permanent != null) {
+                            permanent.sacrifice(source.getSourceId(), game);
+                            if (filterPlains.match(permanent, game)) {
+                                player.damage(2, source.getSourceId(), game, false, true);
+                            }
+                        }
+                    }
+                }
+            }
+            return true;
+        }
+        return false;
+    }
+
+    @Override
+    public DesolationEffect copy() {
+        return new DesolationEffect(this);
+    }
+}
+
+class PlayerTappedForManaWatcher extends Watcher {
+
+    private final Set<UUID> tappedForManaThisTurnPlayers = new HashSet<>();
+
+    public PlayerTappedForManaWatcher() {
+        super(PlayerTappedForManaWatcher.class.getSimpleName(), WatcherScope.GAME);
+    }
+
+    public PlayerTappedForManaWatcher(final PlayerTappedForManaWatcher watcher) {
+        super(watcher);
+        this.tappedForManaThisTurnPlayers.addAll(watcher.tappedForManaThisTurnPlayers);
+    }
+
+    @Override
+    public void watch(GameEvent event, Game game) {
+        if (event.getType() == GameEvent.EventType.UNTAP_STEP_PRE) {
+            reset();
+        }
+        if (event.getType() == GameEvent.EventType.TAPPED_FOR_MANA) {
+            UUID playerId = event.getPlayerId();
+            if (playerId != null) {
+                tappedForManaThisTurnPlayers.add(playerId);
+            }
+        }
+    }
+
+    public Set<UUID> getPlayersTappedForMana() {
+        if (tappedForManaThisTurnPlayers != null) {
+            return tappedForManaThisTurnPlayers;
+        }
+        return new HashSet<>();
+    }
+
+    @Override
+    public void reset() {
+        super.reset();
+        tappedForManaThisTurnPlayers.clear();
+    }
+
+    @Override
+    public PlayerTappedForManaWatcher copy() {
+        return new PlayerTappedForManaWatcher(this);
+    }
+}