[M13] Elderscale Wurm with test

Mage.Sets/src/mage/sets/magic2013/ElderscaleWurm.java

@@ -0,0 +1,156 @@
+/*
+ *  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.magic2013;
+
+import mage.Constants;
+import mage.Constants.CardType;
+import mage.Constants.Rarity;
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.ReplacementEffectImpl;
+import mage.abilities.keyword.TrampleAbility;
+import mage.cards.CardImpl;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+
+import java.util.UUID;
+
+/**
+ * @author magenoxx_at_gmail.com
+ */
+public class ElderscaleWurm extends CardImpl<ElderscaleWurm> {
+
+    public ElderscaleWurm(UUID ownerId) {
+        super(ownerId, 167, "Elderscale Wurm", Rarity.MYTHIC, new CardType[]{CardType.CREATURE}, "{4}{G}{G}{G}");
+        this.expansionSetCode = "M13";
+        this.subtype.add("Wurm");
+
+        this.color.setGreen(true);
+        this.power = new MageInt(7);
+        this.toughness = new MageInt(7);
+
+        // Trample
+        this.addAbility(TrampleAbility.getInstance());
+
+        // When Elderscale Wurm enters the battlefield, if your life total is less than 7, your life total becomes 7.
+        this.addAbility(new EntersBattlefieldTriggeredAbility(new ElderscaleWurmSetLifeEffect(), false));
+
+        // As long as you have 7 or more life, damage that would reduce your life total to less than 7 reduces it to 7 instead.
+        this.addAbility(new SimpleStaticAbility(Constants.Zone.BATTLEFIELD, new ElderscaleWurmReplacementEffect()));
+    }
+
+    public ElderscaleWurm(final ElderscaleWurm card) {
+        super(card);
+    }
+
+    @Override
+    public ElderscaleWurm copy() {
+        return new ElderscaleWurm(this);
+    }
+}
+
+class ElderscaleWurmSetLifeEffect extends OneShotEffect<ElderscaleWurmSetLifeEffect> {
+
+    public ElderscaleWurmSetLifeEffect() {
+        super(Constants.Outcome.Benefit);
+    }
+
+    public ElderscaleWurmSetLifeEffect(final ElderscaleWurmSetLifeEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player player = game.getPlayer(source.getControllerId());
+
+        if (player != null && player.getLife() < 7) {
+            player.setLife(7, game);
+        }
+
+        return true;
+    }
+
+    @Override
+    public ElderscaleWurmSetLifeEffect copy() {
+        return new ElderscaleWurmSetLifeEffect(this);
+    }
+
+}
+
+class ElderscaleWurmReplacementEffect extends ReplacementEffectImpl<ElderscaleWurmReplacementEffect> {
+
+    public ElderscaleWurmReplacementEffect() {
+        super(Constants.Duration.WhileOnBattlefield, Constants.Outcome.Benefit);
+        staticText = "As long as you have 7 or more life, damage that would reduce your life total to less than 7 reduces it to 7 instead";
+    }
+
+    public ElderscaleWurmReplacementEffect(final ElderscaleWurmReplacementEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public ElderscaleWurmReplacementEffect copy() {
+        return new ElderscaleWurmReplacementEffect(this);
+    }
+
+    @Override
+    public boolean applies(GameEvent event, Ability source, Game game) {
+        if (event.getType().equals(GameEvent.EventType.DAMAGE_CAUSES_LIFE_LOSS)) {
+            Permanent permanent = game.getPermanent(source.getSourceId());
+            if (permanent == null) {
+                permanent = (Permanent) game.getLastKnownInformation(source.getSourceId(), Constants.Zone.BATTLEFIELD);
+            }
+            if (permanent != null) {
+                Player controller = game.getPlayer(permanent.getControllerId());
+                if (controller != null && controller.getLife() >= 7
+                        && (controller.getLife() - event.getAmount()) < 7
+                        && event.getPlayerId().equals(controller.getId())) {
+                    event.setAmount(controller.getLife() - 7);
+                }
+            }
+        }
+
+        return false;
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        return false;
+    }
+
+    @Override
+    public boolean replaceEvent(GameEvent event, Ability source, Game game) {
+        return false;
+    }
+
+}

Mage.Tests/src/test/java/org/mage/test/cards/replacement/lifereduce/DamageSetToXLifeInsteadTest.java

@@ -0,0 +1,61 @@
+package org.mage.test.cards.replacement.lifereduce;
+
+import mage.Constants;
+import org.junit.Test;
+import org.mage.test.serverside.base.CardTestPlayerBase;
+
+/**
+ * Elderscale Wurm:
+ *   As long as you have 7 or more life, damage that would reduce your life total to less than 7 reduces it to 7 instead..
+ *
+ * @author noxx
+ */
+public class DamageSetToXLifeInsteadTest extends CardTestPlayerBase {
+
+    /**
+     * Tests direct damage
+     */
+    @Test
+    public void testDirectDamage() {
+        addCard(Constants.Zone.HAND, playerA, "Lava Axe");
+        addCard(Constants.Zone.BATTLEFIELD, playerA, "Mountain", 5);
+
+        addCard(Constants.Zone.BATTLEFIELD, playerB, "Elderscale Wurm");
+
+        setLife(playerB, 8);
+
+        castSpell(1, Constants.PhaseStep.PRECOMBAT_MAIN, playerA, "Lava Axe", playerB);
+
+        setStopAt(1, Constants.PhaseStep.BEGIN_COMBAT);
+        execute();
+
+        // 5 damage dealt but it reduces life only to 7
+        assertLife(playerB, 7);
+    }
+
+    /**
+     * Tests doesn't work when less than 7 life total
+     * Also tests that the ability doesn't affect the loss or payment of life.
+     */
+    @Test
+    public void testLessLifeTotal() {
+        addCard(Constants.Zone.HAND, playerA, "Lava Axe");
+        addCard(Constants.Zone.HAND, playerA, "Bump in the Night");
+        addCard(Constants.Zone.BATTLEFIELD, playerA, "Mountain", 5);
+        addCard(Constants.Zone.BATTLEFIELD, playerA, "Swamp", 5);
+
+        addCard(Constants.Zone.BATTLEFIELD, playerB, "Elderscale Wurm");
+
+        setLife(playerB, 8);
+
+        castSpell(1, Constants.PhaseStep.PRECOMBAT_MAIN, playerA, "Bump in the Night", playerB);
+        castSpell(1, Constants.PhaseStep.PRECOMBAT_MAIN, playerA, "Lava Axe", playerB);
+
+        setStopAt(1, Constants.PhaseStep.BEGIN_COMBAT);
+        execute();
+
+        // 5 damage dealt but it reduces life only to 7
+        assertLife(playerB, 0);
+    }
+
+}

Mage/src/mage/game/events/GameEvent.java

@@ -82,6 +82,7 @@ public class GameEvent {
         DISCARDED_CARD,
         CYCLE_CARD, CYCLED_CARD,
         DAMAGE_PLAYER, DAMAGED_PLAYER,
+        DAMAGE_CAUSES_LIFE_LOSS,
         PLAYER_LIFE_CHANGE,
         GAIN_LIFE, GAINED_LIFE,
         LOSE_LIFE, LOST_LIFE,

Mage/src/mage/players/PlayerImpl.java

@@ -883,13 +883,14 @@ public abstract class PlayerImpl<T extends PlayerImpl<T>> implements Player, Ser
                     if (source != null && (source.getAbilities().containsKey(InfectAbility.getInstance().getId()))) {
                         addCounters(CounterType.POISON.createInstance(actualDamage), game);
                     } else {
-                        // fixed: damage dealt should not be equal to life lost
-                        // actualDamage = this.loseLife(actualDamage, game);
-                        this.loseLife(actualDamage, game);
+                        GameEvent damageToLifeLossEvent = new GameEvent(EventType.DAMAGE_CAUSES_LIFE_LOSS, playerId, sourceId, playerId, actualDamage, combatDamage);
+                        if (!game.replaceEvent(damageToLifeLossEvent)) {
+                            this.loseLife(damageToLifeLossEvent.getAmount(), game);
+                        }
                     }
                     if (source != null && source.getAbilities().containsKey(LifelinkAbility.getInstance().getId())) {
                         Player player = game.getPlayer(source.getControllerId());
-                        player.gainLife(damage, game);
+                        player.gainLife(actualDamage, game);
                     }
                     game.fireEvent(new DamagedPlayerEvent(playerId, sourceId, playerId, actualDamage, combatDamage));
                     return actualDamage;