[FIC] Implement Professor Hojo

Mage.Sets/src/mage/cards/p/ProfessorHojo.java

@@ -0,0 +1,159 @@
+package mage.cards.p;
+
+import mage.MageInt;
+import mage.abilities.Ability;
+import mage.abilities.ActivatedAbility;
+import mage.abilities.common.BecomesTargetAnyTriggeredAbility;
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.effects.common.DrawCardSourceControllerEffect;
+import mage.abilities.effects.common.cost.CostModificationEffectImpl;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.*;
+import mage.filter.FilterStackObject;
+import mage.filter.StaticFilters;
+import mage.filter.predicate.Predicate;
+import mage.game.Controllable;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.stack.StackObject;
+import mage.util.CardUtil;
+import mage.watchers.Watcher;
+
+import java.util.HashSet;
+import java.util.Objects;
+import java.util.Set;
+import java.util.UUID;
+
+/**
+ * @author TheElk801
+ */
+public final class ProfessorHojo extends CardImpl {
+
+    private static final FilterStackObject filter = new FilterStackObject();
+
+    static {
+        filter.add(ProfessorHojoPredicate.instance);
+    }
+
+    public ProfessorHojo(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.CREATURE}, "{1}{G}");
+
+        this.supertype.add(SuperType.LEGENDARY);
+        this.subtype.add(SubType.HUMAN);
+        this.subtype.add(SubType.SCIENTIST);
+        this.power = new MageInt(2);
+        this.toughness = new MageInt(2);
+
+        // The first activated ability you activate during your turn that targets a creature you control costs {2} less to activate.
+        this.addAbility(new SimpleStaticAbility(new ProfessorHojoEffect()), new ProfessorHojoWatcher());
+
+        // Whenever one or more creatures you control become the target of an activated ability, draw a card. This ability triggers only once each turn.
+        this.addAbility(new BecomesTargetAnyTriggeredAbility(
+                new DrawCardSourceControllerEffect(1),
+                StaticFilters.FILTER_CONTROLLED_CREATURE,
+                filter, SetTargetPointer.NONE, false
+        ).setTriggerPhrase("Whenever one or more creatures you control " +
+                "become the target of an activated ability, ").setTriggersLimitEachTurn(1));
+    }
+
+    private ProfessorHojo(final ProfessorHojo card) {
+        super(card);
+    }
+
+    @Override
+    public ProfessorHojo copy() {
+        return new ProfessorHojo(this);
+    }
+}
+
+enum ProfessorHojoPredicate implements Predicate<StackObject> {
+    instance;
+
+    @Override
+    public boolean apply(StackObject input, Game game) {
+        return input instanceof Ability && ((Ability) input).isActivatedAbility();
+    }
+}
+
+class ProfessorHojoEffect extends CostModificationEffectImpl {
+
+    ProfessorHojoEffect() {
+        super(Duration.WhileOnBattlefield, Outcome.Benefit, CostModificationType.REDUCE_COST);
+        staticText = "the first activated ability you activate during your turn " +
+                "that targets a creature you control costs {2} less to activate";
+    }
+
+    private ProfessorHojoEffect(final ProfessorHojoEffect effect) {
+        super(effect);
+    }
+
+    @Override
+    public ProfessorHojoEffect copy() {
+        return new ProfessorHojoEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source, Ability abilityToModify) {
+        CardUtil.reduceCost(abilityToModify, 2);
+        return true;
+    }
+
+    @Override
+    public boolean applies(Ability abilityToModify, Ability source, Game game) {
+        return game.isActivePlayer(source.getControllerId())
+                && abilityToModify.isControlledBy(source.getControllerId())
+                && !ProfessorHojoWatcher.checkPlayer(game, source)
+                && CardUtil
+                .getAllSelectedTargets(abilityToModify, game)
+                .stream()
+                .map(game::getPermanent)
+                .filter(Objects::nonNull)
+                .filter(permanent -> permanent.isCreature(game))
+                .map(Controllable::getControllerId)
+                .anyMatch(source::isControlledBy);
+    }
+}
+
+class ProfessorHojoWatcher extends Watcher {
+
+    private final Set<UUID> set = new HashSet<>();
+
+    ProfessorHojoWatcher() {
+        super(WatcherScope.GAME);
+    }
+
+    @Override
+    public void watch(GameEvent event, Game game) {
+        if (event.getType() != GameEvent.EventType.ACTIVATED_ABILITY) {
+            return;
+        }
+        StackObject stackObject = game.getStack().getStackObject(event.getSourceId());
+        if (stackObject != null
+                && stackObject.getStackAbility() instanceof ActivatedAbility
+                && CardUtil
+                .getAllSelectedTargets(stackObject.getStackAbility(), game)
+                .stream()
+                .map(game::getPermanent)
+                .filter(Objects::nonNull)
+                .filter(permanent -> permanent.isCreature(game))
+                .map(Controllable::getControllerId)
+                .anyMatch(stackObject::isControlledBy)) {
+            set.add(stackObject.getControllerId());
+        }
+    }
+
+    @Override
+    public void reset() {
+        super.reset();
+        set.clear();
+    }
+
+    static boolean checkPlayer(Game game, Ability source) {
+        return game
+                .getState()
+                .getWatcher(ProfessorHojoWatcher.class)
+                .set
+                .contains(source.getControllerId());
+    }
+}

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

@@ -248,6 +248,8 @@ public final class FinalFantasyCommander extends ExpansionSet {
         cards.add(new SetCardInfo("Prairie Stream", 413, Rarity.RARE, mage.cards.p.PrairieStream.class));
         cards.add(new SetCardInfo("Priest of Fell Rites", 328, Rarity.RARE, mage.cards.p.PriestOfFellRites.class));
         cards.add(new SetCardInfo("Professional Face-Breaker", 296, Rarity.RARE, mage.cards.p.ProfessionalFaceBreaker.class));
+        cards.add(new SetCardInfo("Professor Hojo", 161, Rarity.RARE, mage.cards.p.ProfessorHojo.class, NON_FULL_USE_VARIOUS));
+        cards.add(new SetCardInfo("Professor Hojo", 69, Rarity.RARE, mage.cards.p.ProfessorHojo.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Promise of Loyalty", 249, Rarity.RARE, mage.cards.p.PromiseOfLoyalty.class));
         cards.add(new SetCardInfo("Propaganda", 268, Rarity.UNCOMMON, mage.cards.p.Propaganda.class));
         cards.add(new SetCardInfo("Protection Magic", 107, Rarity.RARE, mage.cards.p.ProtectionMagic.class, NON_FULL_USE_VARIOUS));