[LCI] Implement Thousand Moons Smithy // Barracks of the Thousand

Mage/src/main/java/mage/abilities/common/CastSpellPaidBySourceTriggeredAbility.java

@@ -0,0 +1,77 @@
+package mage.abilities.common;
+
+
+import mage.MageObjectReference;
+import mage.abilities.TriggeredAbilityImpl;
+import mage.abilities.effects.Effect;
+import mage.constants.Zone;
+import mage.filter.FilterSpell;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.stack.Spell;
+import mage.target.targetpointer.FixedTarget;
+import mage.watchers.common.ManaPaidObjectSourceWatcher;
+
+/**
+ * @author Susucr
+ */
+public class CastSpellPaidBySourceTriggeredAbility extends TriggeredAbilityImpl {
+
+    private final FilterSpell filter;
+    private final boolean setTargetPointer;
+
+    public CastSpellPaidBySourceTriggeredAbility(Effect effect, FilterSpell filter, boolean setTargetPointer) {
+        super(Zone.BATTLEFIELD, effect);
+        setTriggerPhrase("Whenever you cast " + filter.getMessage() + " using mana produced by {this}, ");
+        addWatcher(new ManaPaidObjectSourceWatcher());
+
+        this.filter = filter;
+        this.setTargetPointer = setTargetPointer;
+    }
+
+    protected CastSpellPaidBySourceTriggeredAbility(final CastSpellPaidBySourceTriggeredAbility ability) {
+        super(ability);
+        this.filter = ability.filter;
+        this.setTargetPointer = ability.setTargetPointer;
+    }
+
+    @Override
+    public CastSpellPaidBySourceTriggeredAbility copy() {
+        return new CastSpellPaidBySourceTriggeredAbility(this);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.SPELL_CAST;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        if (!controllerId.equals(event.getPlayerId())) {
+            return false;
+        }
+
+        Spell spell = game.getSpell(event.getTargetId());
+        if (spell == null || !this.filter.match(spell, controllerId, this, game)) {
+            return false;
+        }
+
+        ManaPaidObjectSourceWatcher watcher = game.getState().getWatcher(ManaPaidObjectSourceWatcher.class);
+        if (watcher == null) {
+            return false;
+        }
+
+        if (!watcher.checkManaFromSourceWasUsedToPay(
+                new MageObjectReference(sourceId, game),
+                new MageObjectReference(spell.getSourceId(), game)
+        )) {
+            return false;
+        }
+
+        if (setTargetPointer) {
+            this.getAllEffects().setTargetPointer(new FixedTarget(spell.getId(), game));
+        }
+
+        return true;
+    }
+}

Mage/src/main/java/mage/game/permanent/token/GnomeSoldierStarStarToken.java

@@ -0,0 +1,49 @@
+package mage.game.permanent.token;
+
+import mage.abilities.common.SimpleStaticAbility;
+import mage.abilities.dynamicvalue.DynamicValue;
+import mage.abilities.dynamicvalue.common.PermanentsOnBattlefieldCount;
+import mage.abilities.effects.common.continuous.SetBasePowerToughnessSourceEffect;
+import mage.constants.CardType;
+import mage.constants.SubType;
+import mage.filter.common.FilterControlledPermanent;
+import mage.filter.predicate.Predicates;
+
+/**
+ * @author Susucr
+ */
+public final class GnomeSoldierStarStarToken extends TokenImpl {
+
+    private static final FilterControlledPermanent filter = new FilterControlledPermanent();
+
+    static {
+        filter.add(Predicates.or(
+                CardType.ARTIFACT.getPredicate(),
+                CardType.CREATURE.getPredicate()
+        ));
+    }
+
+    private static final DynamicValue xValue = new PermanentsOnBattlefieldCount(filter);
+
+    public GnomeSoldierStarStarToken() {
+        super("Gnome Soldier Token", "white Gnome Soldier artifact creature token with "
+                + "\"this creature's power and toughness are each equal to the number of artifacts and/or creatures you control.\"");
+        cardType.add(CardType.ARTIFACT);
+        cardType.add(CardType.CREATURE);
+        subtype.add(SubType.GNOME);
+        subtype.add(SubType.SOLDIER);
+        color.setWhite(true);
+
+        this.addAbility(new SimpleStaticAbility(new SetBasePowerToughnessSourceEffect(
+                xValue
+        ).setText("this creature's power and toughness are each equal to the number of artifacts and/or creatures you control")));
+    }
+
+    protected GnomeSoldierStarStarToken(final GnomeSoldierStarStarToken token) {
+        super(token);
+    }
+
+    public GnomeSoldierStarStarToken copy() {
+        return new GnomeSoldierStarStarToken(this);
+    }
+}

Mage/src/main/java/mage/watchers/common/ManaPaidObjectSourceWatcher.java

@@ -0,0 +1,54 @@
+package mage.watchers.common;
+
+import mage.MageObject;
+import mage.MageObjectReference;
+import mage.constants.WatcherScope;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.events.ManaPaidEvent;
+import mage.watchers.Watcher;
+
+import java.util.*;
+
+/**
+ * @author Susucr
+ */
+public class ManaPaidObjectSourceWatcher extends Watcher {
+
+    // what is paid -> set of all MageObject sources used to pay for the mana.
+    private final Map<MageObjectReference, Set<MageObjectReference>> payMap = new HashMap<>();
+
+    public ManaPaidObjectSourceWatcher() {
+        super(WatcherScope.GAME);
+    }
+
+    @Override
+    public void watch(GameEvent event, Game game) {
+        if (event.getType() != GameEvent.EventType.MANA_PAID) {
+            return;
+        }
+
+        ManaPaidEvent manaEvent = (ManaPaidEvent) event;
+        UUID paid = manaEvent.getSourcePaidId();
+        MageObject sourceObject = manaEvent.getSourceObject();
+        if (paid == null || sourceObject == null) {
+            return;
+        }
+
+        payMap
+                .computeIfAbsent(new MageObjectReference(paid, game), x -> new HashSet<>())
+                .add(new MageObjectReference(sourceObject, game));
+    }
+
+    public boolean checkManaFromSourceWasUsedToPay(MageObjectReference sourceOfMana, MageObjectReference paidObject) {
+        return payMap
+                .getOrDefault(paidObject, Collections.emptySet())
+                .contains(sourceOfMana);
+    }
+
+    @Override
+    public void reset() {
+        payMap.clear();
+        super.reset();
+    }
+}