foul-magics/Mage/src/main/java/mage/abilities/common/BecomesMonstrousTriggeredAbility.java

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package mage.abilities.common;

import mage.abilities.TriggeredAbilityImpl;
import mage.abilities.effects.Effect;
import mage.constants.Zone;
import mage.filter.common.FilterCreaturePermanent;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.permanent.Permanent;
import mage.target.targetpointer.FixedTarget;

/**
 *
 * @author Styxo
 */
public class BecomesMonstrousTriggeredAbility extends TriggeredAbilityImpl {

    protected FilterCreaturePermanent filter = new FilterCreaturePermanent();

    public BecomesMonstrousTriggeredAbility(Effect effect) {
        super(Zone.BATTLEFIELD, effect, false);
    }

    public BecomesMonstrousTriggeredAbility(final BecomesMonstrousTriggeredAbility ability) {
        super(ability);
    }

    @Override
    public BecomesMonstrousTriggeredAbility copy() {
        return new BecomesMonstrousTriggeredAbility(this);
    }

    @Override
    public boolean checkEventType(GameEvent event, Game game) {
        return event.getType() == GameEvent.EventType.BECOMES_MONSTROUS;
    }

    @Override
    public boolean checkTrigger(GameEvent event, Game game) {
        Permanent permanent = game.getPermanent(event.getTargetId());
        if (filter.match(permanent, sourceId, controllerId, game)
                && (permanent.getControllerId().equals(this.controllerId))) {
            for (Effect effect : this.getEffects()) {
                effect.setTargetPointer(new FixedTarget(event.getTargetId()));
            }
            return true;
        }
        return false;
    }

    @Override
    public String getRule() {
        return "Whenever " + filter.getMessage() + " becomes monstrous, " + super.getRule();
    }
}