[AFC] Implemented Maddening Hex

Mage.Sets/src/mage/cards/m/MaddeningHex.java

@@ -0,0 +1,139 @@
+package mage.cards.m;
+
+import mage.abilities.Ability;
+import mage.abilities.TriggeredAbilityImpl;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.AttachEffect;
+import mage.abilities.keyword.EnchantAbility;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.Outcome;
+import mage.constants.SubType;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.permanent.Permanent;
+import mage.game.stack.Spell;
+import mage.players.Player;
+import mage.target.TargetPlayer;
+import mage.target.targetpointer.FixedTarget;
+import mage.util.RandomUtil;
+
+import java.util.Set;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class MaddeningHex extends CardImpl {
+
+    public MaddeningHex(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{1}{R}{R}");
+
+        this.subtype.add(SubType.AURA);
+        this.subtype.add(SubType.CURSE);
+
+        // Enchant player
+        TargetPlayer auraTarget = new TargetPlayer();
+        this.getSpellAbility().addTarget(auraTarget);
+        this.getSpellAbility().addEffect(new AttachEffect(Outcome.BoostCreature));
+        Ability ability = new EnchantAbility(auraTarget.getTargetName());
+        this.addAbility(ability);
+
+        // Whenever enchanted player casts a noncreature spell, roll a d6. Maddening Hex deals damage to that player equal to the result. Then attach Maddening Hex to another one of your opponents chosen at random.
+        this.addAbility(new MaddeningHexTriggeredAbility());
+    }
+
+    private MaddeningHex(final MaddeningHex card) {
+        super(card);
+    }
+
+    @Override
+    public MaddeningHex copy() {
+        return new MaddeningHex(this);
+    }
+}
+
+class MaddeningHexTriggeredAbility extends TriggeredAbilityImpl {
+
+    public MaddeningHexTriggeredAbility() {
+        super(Zone.BATTLEFIELD, new MaddeningHexEffect());
+    }
+
+    private MaddeningHexTriggeredAbility(final MaddeningHexTriggeredAbility ability) {
+        super(ability);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.SPELL_CAST;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        Spell spell = game.getSpell(event.getTargetId());
+        Permanent permanent = getSourcePermanentIfItStillExists(game);
+        if (spell == null
+                || permanent == null
+                || spell.isCreature(game)
+                || !event.getPlayerId().equals(permanent.getAttachedTo())) {
+            return false;
+        }
+        this.getEffects().setTargetPointer(new FixedTarget(event.getPlayerId()));
+        return true;
+    }
+
+    @Override
+    public MaddeningHexTriggeredAbility copy() {
+        return new MaddeningHexTriggeredAbility(this);
+    }
+
+    @Override
+    public String getRule() {
+        return "Whenever enchanted player casts a noncreature spell, roll a d6. " +
+                "{this} deals damage to that player equal to the result. " +
+                "Then attach {this} to another one of your opponents chosen at random.";
+    }
+}
+
+class MaddeningHexEffect extends OneShotEffect {
+
+    MaddeningHexEffect() {
+        super(Outcome.Benefit);
+    }
+
+    private MaddeningHexEffect(final MaddeningHexEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public MaddeningHexEffect copy() {
+        return new MaddeningHexEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Player controller = game.getPlayer(source.getControllerId());
+        if (controller == null) {
+            return false;
+        }
+        int result = controller.rollDice(source, game, 6);
+        Player player = game.getPlayer(getTargetPointer().getFirst(game, source));
+        if (player != null) {
+            player.damage(result, source.getSourceId(), source, game);
+        }
+        Permanent permanent = source.getSourcePermanentIfItStillExists(game);
+        if (permanent == null) {
+            return true;
+        }
+        Set<UUID> opponents = game.getOpponents(source.getControllerId());
+        if (player != null) {
+            opponents.remove(player.getId());
+        }
+        if (!opponents.isEmpty()) {
+            permanent.attachTo(RandomUtil.randomFromSet(opponents), source, game);
+        }
+        return true;
+    }
+}

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

@@ -141,6 +141,7 @@ public final class ForgottenRealmsCommander extends ExpansionSet {
         cards.add(new SetCardInfo("Lightning Greaves", 331, Rarity.UNCOMMON, mage.cards.l.LightningGreaves.class));
         cards.add(new SetCardInfo("Loyal Apprentice", 132, Rarity.UNCOMMON, mage.cards.l.LoyalApprentice.class));
         cards.add(new SetCardInfo("Lumbering Falls", 247, Rarity.RARE, mage.cards.l.LumberingFalls.class));
+        cards.add(new SetCardInfo("Maddening Hex", 32, Rarity.RARE, mage.cards.m.MaddeningHex.class));
         cards.add(new SetCardInfo("Magmaquake", 133, Rarity.RARE, mage.cards.m.Magmaquake.class));
         cards.add(new SetCardInfo("Marionette Master", 102, Rarity.RARE, mage.cards.m.MarionetteMaster.class));
         cards.add(new SetCardInfo("Masterwork of Ingenuity", 209, Rarity.RARE, mage.cards.m.MasterworkOfIngenuity.class));

Mage/src/main/java/mage/util/RandomUtil.java

@@ -2,6 +2,8 @@ package mage.util;
 
 import java.awt.*;
 import java.util.Random;
+import java.util.Set;
+import java.util.UUID;
 
 /**
  * Created by IGOUDT on 5-9-2016.
@@ -40,4 +42,19 @@ public final class RandomUtil {
     public static void setSeed(long newSeed) {
         random.setSeed(newSeed);
     }
+
+    public static UUID randomFromSet(Set<UUID> uuids) {
+        if (uuids.size() < 2) {
+            return uuids.stream().findFirst().orElse(null);
+        }
+        int rand = nextInt(uuids.size());
+        int count = 0;
+        for (UUID currentId : uuids) {
+            if (count == rand) {
+                return currentId;
+            }
+            count++;
+        }
+        return null;
+    }
 }