[TLA] Implement Earthbending Lessons

Mage/src/main/java/mage/abilities/effects/keyword/EarthbendEffect.java

@@ -0,0 +1,112 @@
+package mage.abilities.effects.keyword;
+
+import mage.MageObjectReference;
+import mage.abilities.Ability;
+import mage.abilities.DelayedTriggeredAbility;
+import mage.abilities.Mode;
+import mage.abilities.effects.OneShotEffect;
+import mage.abilities.effects.common.ReturnToBattlefieldUnderOwnerControlTargetEffect;
+import mage.abilities.effects.common.continuous.BecomesCreatureTargetEffect;
+import mage.abilities.keyword.HasteAbility;
+import mage.constants.Duration;
+import mage.constants.Outcome;
+import mage.constants.Zone;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.events.ZoneChangeEvent;
+import mage.game.permanent.Permanent;
+import mage.game.permanent.token.custom.CreatureToken;
+import mage.target.targetpointer.FixedTarget;
+import mage.util.CardUtil;
+
+/**
+ * @author TheElk801
+ */
+public class EarthbendEffect extends OneShotEffect {
+
+    private final int amount;
+
+    public EarthbendEffect(int amount) {
+        super(Outcome.Benefit);
+        this.amount = amount;
+    }
+
+    private EarthbendEffect(final EarthbendEffect effect) {
+        super(effect);
+        this.amount = effect.amount;
+    }
+
+    @Override
+    public EarthbendEffect copy() {
+        return new EarthbendEffect(this);
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Permanent permanent = game.getPermanent(getTargetPointer().getFirst(game, source));
+        if (permanent == null) {
+            return false;
+        }
+        game.addEffect(new BecomesCreatureTargetEffect(
+                new CreatureToken(0, 0)
+                        .withAbility(HasteAbility.getInstance()),
+                false, true, Duration.Custom
+        ), source);
+        game.addDelayedTriggeredAbility(new EarthbendingDelayedTriggeredAbility(permanent, game), source);
+        game.fireEvent(GameEvent.getEvent(
+                GameEvent.EventType.EARTHBENDED, permanent.getId(),
+                source, source.getControllerId(), amount
+        ));
+        return true;
+    }
+
+    @Override
+    public String getText(Mode mode) {
+        if (staticText != null && !staticText.isEmpty()) {
+            return staticText;
+        }
+        return "earthbend " + amount + ". <i>(Target land you control becomes a 0/0 creature " +
+                "with haste that's still a land. Put " + CardUtil.numberToText(amount, "a") +
+                " +1/+1 counter" + (amount > 1 ? "s" : "") + " on it. " +
+                "When it dies or is exiled, return it to the battlefield tapped.)</i>";
+    }
+}
+
+class EarthbendingDelayedTriggeredAbility extends DelayedTriggeredAbility {
+
+    private final MageObjectReference mor;
+
+    EarthbendingDelayedTriggeredAbility(Permanent permanent, Game game) {
+        super(new ReturnToBattlefieldUnderOwnerControlTargetEffect(true, false), Duration.Custom, true, false);
+        this.mor = new MageObjectReference(permanent, game, 1);
+        this.getAllEffects().setTargetPointer(new FixedTarget(this.mor));
+    }
+
+    private EarthbendingDelayedTriggeredAbility(final EarthbendingDelayedTriggeredAbility ability) {
+        super(ability);
+        this.mor = ability.mor;
+    }
+
+    @Override
+    public EarthbendingDelayedTriggeredAbility copy() {
+        return new EarthbendingDelayedTriggeredAbility(this);
+    }
+
+    @Override
+    public boolean checkEventType(GameEvent event, Game game) {
+        return event.getType() == GameEvent.EventType.ZONE_CHANGE;
+    }
+
+    @Override
+    public boolean checkTrigger(GameEvent event, Game game) {
+        ZoneChangeEvent zEvent = (ZoneChangeEvent) event;
+        return zEvent.getFromZone() == Zone.BATTLEFIELD
+                && (zEvent.getToZone() == Zone.GRAVEYARD || zEvent.getToZone() == Zone.EXILED)
+                && mor.refersTo(zEvent.getTarget(), game, -1);
+    }
+
+    @Override
+    public String getRule() {
+        return "When it dies or is exiled, return it to the battlefield tapped.";
+    }
+}

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

@@ -695,6 +695,7 @@ public class GameEvent implements Serializable {
          data       id of the ability being paid for
          */
         PAY_SACRIFICE_COST,
+        EARTHBENDED,
         // custom events - must store some unique data to track
         CUSTOM_EVENT;