MassacreWurm.java example

Explorer
mage-master
/*
 *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without modification, are
 *  permitted provided that the following conditions are met:
 *
 *     1. Redistributions of source code must retain the above copyright notice, this list of
 *        conditions and the following disclaimer.
 *
 *     2. Redistributions in binary form must reproduce the above copyright notice, this list
 *        of conditions and the following disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 *  THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
 *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 *  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
 *  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 *  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 *  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *  The views and conclusions contained in the software and documentation are those of the
 *  authors and should not be interpreted as representing official policies, either expressed
 *  or implied, of BetaSteward_at_googlemail.com.
 */

package mage.cards.m;

import java.util.UUID;
import mage.MageInt;
import mage.abilities.TriggeredAbilityImpl;
import mage.abilities.common.EntersBattlefieldTriggeredAbility;
import mage.abilities.effects.Effect;
import mage.abilities.effects.common.LoseLifeTargetEffect;
import mage.abilities.effects.common.continuous.BoostOpponentsEffect;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.CardType;
import mage.constants.Duration;
import mage.constants.Zone;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.events.GameEvent.EventType;
import mage.game.events.ZoneChangeEvent;
import mage.game.permanent.Permanent;
import mage.target.targetpointer.FixedTarget;

/**
 *
 * @author Loki
 */
public class MassacreWurm extends CardImpl {

    public MassacreWurm (UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{3}{B}{B}{B}");
        this.subtype.add("Wurm");

        this.power = new MageInt(6);
        this.toughness = new MageInt(5);
        this.addAbility(new EntersBattlefieldTriggeredAbility(new BoostOpponentsEffect(-2, -2, Duration.EndOfTurn)));
        this.addAbility(new MassacreWurmTriggeredAbility());
    }

    public MassacreWurm (final MassacreWurm card) {
        super(card);
    }

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

}

class MassacreWurmTriggeredAbility extends TriggeredAbilityImpl {
    MassacreWurmTriggeredAbility() {
        super(Zone.BATTLEFIELD, new LoseLifeTargetEffect(2));
    }

    MassacreWurmTriggeredAbility(final MassacreWurmTriggeredAbility ability) {
        super(ability);
    }

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

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

    @Override
    public boolean checkTrigger(GameEvent event, Game game) {
        if (((ZoneChangeEvent)event).isDiesEvent()) {
            Permanent p = (Permanent) game.getLastKnownInformation(event.getTargetId(), Zone.BATTLEFIELD);
            if (p != null && p.isCreature() && game.getOpponents(this.getControllerId()).contains(p.getControllerId())) {
                for (Effect effect : this.getEffects()) {
                    effect.setTargetPointer(new FixedTarget(p.getControllerId()));
                }
                return true;
            }
        }
        return false;
    }

    @Override
    public String getRule() {
        return "Whenever a creature an opponent controls is put into a graveyard from the battlefield, " + super.getRule();
    }
}