[WHO] Implement Weeping Angel (#12236)

Mage.Sets/src/mage/cards/w/WeepingAngel.java

@@ -0,0 +1,151 @@
+package mage.cards.w;
+
+import java.util.UUID;
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.common.SpellCastOpponentTriggeredAbility;
+import mage.abilities.effects.ContinuousEffectImpl;
+import mage.abilities.effects.PreventionEffectImpl;
+import mage.cards.Card;
+import mage.constants.*;
+import mage.abilities.keyword.FlashAbility;
+import mage.abilities.keyword.FirstStrikeAbility;
+import mage.abilities.keyword.VigilanceAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.filter.StaticFilters;
+import mage.game.Game;
+import mage.game.events.DamagePermanentEvent;
+import mage.game.events.GameEvent;
+import mage.game.permanent.Permanent;
+import mage.players.Player;
+
+/**
+ *
+ * @author jimga150
+ */
+public final class WeepingAngel extends CardImpl {
+
+    public WeepingAngel(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ARTIFACT, CardType.CREATURE}, "{1}{U}{B}");
+        
+        this.subtype.add(SubType.ALIEN);
+        this.subtype.add(SubType.ANGEL);
+        this.power = new MageInt(2);
+        this.toughness = new MageInt(2);
+
+        // Flash
+        this.addAbility(FlashAbility.getInstance());
+
+        // First strike
+        this.addAbility(FirstStrikeAbility.getInstance());
+
+        // Vigilance
+        this.addAbility(VigilanceAbility.getInstance());
+
+        // Whenever an opponent casts a creature spell, Weeping Angel isn't a creature until end of turn.
+        this.addAbility(new SpellCastOpponentTriggeredAbility(
+                new WeepingAngelMarbleizeEffect(), StaticFilters.FILTER_SPELL_A_CREATURE, false
+        ));
+
+        // If Weeping Angel would deal combat damage to a creature, prevent that damage and that creature's owner shuffles it into their library.
+        this.addAbility(new SimpleStaticAbility(new WeepingAngelDamageEffect()));
+    }
+
+    private WeepingAngel(final WeepingAngel card) {
+        super(card);
+    }
+
+    @Override
+    public WeepingAngel copy() {
+        return new WeepingAngel(this);
+    }
+}
+
+// Adapted from LoseCreatureTypeSourceEffect
+class WeepingAngelMarbleizeEffect extends ContinuousEffectImpl {
+    
+    WeepingAngelMarbleizeEffect() {
+        super(Duration.EndOfTurn, Layer.TypeChangingEffects_4, SubLayer.NA, Outcome.Detriment);
+        staticText = "{this} isn't a creature until end of turn.";
+    }
+
+    private WeepingAngelMarbleizeEffect(final WeepingAngelMarbleizeEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public WeepingAngelMarbleizeEffect copy() {
+        return new WeepingAngelMarbleizeEffect(this);
+    }
+
+    @Override
+    public void init(Ability source, Game game) {
+        super.init(source, game);
+        if (duration.isOnlyValidIfNoZoneChange()) {
+            // If source permanent is no longer onto battlefield discard the effect
+            if (source.getSourcePermanentIfItStillExists(game) == null) {
+                discard();
+            }
+        }
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent permanent = game.getPermanent(source.getSourceId());
+        if (permanent == null) {
+            return false;
+        }
+        permanent.removeCardType(game, CardType.CREATURE);
+        if (!permanent.isTribal(game)) {
+            permanent.removeAllCreatureTypes(game);
+        }
+        if (permanent.isAttacking() || permanent.getBlocking() > 0) {
+            permanent.removeFromCombat(game);
+        }
+        return true;
+    }
+}
+
+// Based on PreventDamageAndRemoveCountersEffect
+class WeepingAngelDamageEffect extends PreventionEffectImpl {
+
+    WeepingAngelDamageEffect() {
+        super(Duration.WhileOnBattlefield, Integer.MAX_VALUE, true, false);
+        staticText = "If {this} would deal combat damage to a creature, " +
+                "prevent that damage and that creature's owner shuffles it into their library.";
+    }
+
+    private WeepingAngelDamageEffect(final WeepingAngelDamageEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public WeepingAngelDamageEffect copy() {
+        return new WeepingAngelDamageEffect(this);
+    }
+
+    @Override
+    public boolean replaceEvent(GameEvent event, Ability source, Game game) {
+        game.preventDamage(event, source, game, Integer.MAX_VALUE);
+        Card card = game.getPermanent(event.getTargetId());
+        if (card == null) {
+            return false;
+        }
+        Player owner = game.getPlayer(card.getOwnerId());
+        if (owner != null) {
+            owner.shuffleCardsToLibrary(card, game, source);
+        }
+        return false;
+    }
+
+    @Override
+    public boolean applies(GameEvent event, Ability source, Game game) {
+        Permanent permanent = game.getPermanentOrLKIBattlefield(event.getTargetId());
+        if (permanent == null || !permanent.isCreature(game)){
+            return false;
+        }
+        return event.getSourceId().equals(source.getSourceId()) && ((DamagePermanentEvent) event).isCombatDamage();
+    }
+}

Mage.Sets/src/mage/sets/DoctorWho.java

@@ -284,6 +284,7 @@ public final class DoctorWho extends ExpansionSet {
         cards.add(new SetCardInfo("Waterlogged Grove", 331, Rarity.RARE, mage.cards.w.WaterloggedGrove.class));
         cards.add(new SetCardInfo("Wayfarer's Bauble", 256, Rarity.COMMON, mage.cards.w.WayfarersBauble.class));
         cards.add(new SetCardInfo("Wedding Ring", 213, Rarity.MYTHIC, mage.cards.w.WeddingRing.class));
+        cards.add(new SetCardInfo("Weeping Angel", 168, Rarity.RARE, mage.cards.w.WeepingAngel.class));
         cards.add(new SetCardInfo("Wibbly-wobbly, Timey-wimey", 62, Rarity.COMMON, mage.cards.w.WibblyWobblyTimeyWimey.class));
         cards.add(new SetCardInfo("Wound Reflection", 223, Rarity.RARE, mage.cards.w.WoundReflection.class));
         cards.add(new SetCardInfo("Wreck and Rebuild", 169, Rarity.UNCOMMON, mage.cards.w.WreckAndRebuild.class));

Mage.Tests/src/test/java/org/mage/test/cards/single/who/WeepingAngelTests.java

@@ -0,0 +1,61 @@
+package org.mage.test.cards.single.who;
+
+import mage.constants.CardType;
+import mage.constants.PhaseStep;
+import mage.constants.Zone;
+import org.junit.Test;
+import org.mage.test.serverside.base.CardTestPlayerBase;
+
+/**
+ * @author jimga150
+ */
+public class WeepingAngelTests extends CardTestPlayerBase {
+
+    @Test
+    public void testCreatureTypeLoss() {
+        setStrictChooseMode(true);
+        addCard(Zone.BATTLEFIELD, playerA, "Weeping Angel");
+        addCard(Zone.HAND, playerB, "Memnite");
+
+        castSpell(2, PhaseStep.PRECOMBAT_MAIN, playerB, "Memnite", true);
+
+        setStrictChooseMode(true);
+        setStopAt(2, PhaseStep.BEGIN_COMBAT);
+        execute();
+
+        assertNotType("Weeping Angel", CardType.CREATURE);
+    }
+
+    @Test
+    public void testCreatureTypeRegain() {
+        setStrictChooseMode(true);
+        addCard(Zone.BATTLEFIELD, playerA, "Weeping Angel");
+        addCard(Zone.HAND, playerB, "Memnite");
+
+        castSpell(2, PhaseStep.PRECOMBAT_MAIN, playerB, "Memnite", true);
+
+        setStrictChooseMode(true);
+        setStopAt(3, PhaseStep.UPKEEP);
+        execute();
+
+        assertType("Weeping Angel", CardType.CREATURE, true);
+    }
+
+    @Test
+    public void testDamageEffect() {
+        setStrictChooseMode(true);
+        addCard(Zone.BATTLEFIELD, playerA, "Weeping Angel");
+        addCard(Zone.BATTLEFIELD, playerB, "Impervious Greatwurm");
+
+        attack(1, playerA, "Weeping Angel", playerB);
+        block(1, playerB, "Impervious Greatwurm", "Weeping Angel");
+
+        setStrictChooseMode(true);
+        setStopAt(1, PhaseStep.END_TURN);
+        execute();
+
+        assertLibraryCount(playerB, "Impervious Greatwurm", 1);
+        assertPermanentCount(playerB, "Impervious Greatwurm", 0);
+        assertPermanentCount(playerA, "Weeping Angel", 1);
+    }
+}