Implemented Spawnbroker

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package mage.cards.s;
import java.util.HashSet;
import java.util.Set;
import java.util.UUID;
import mage.MageInt;
import mage.MageObject;
import mage.abilities.Ability;
import mage.abilities.common.EntersBattlefieldTriggeredAbility;
import mage.abilities.effects.common.continuous.ExchangeControlTargetEffect;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.CardType;
import mage.constants.Duration;
import mage.constants.Outcome;
import mage.constants.SubType;
import mage.constants.TargetController;
import mage.filter.predicate.mageobject.CardTypePredicate;
import mage.filter.predicate.permanent.ControllerPredicate;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.target.TargetPermanent;
import mage.target.common.TargetControlledPermanent;
/**
*
* @author jeffwadsworth & L_J
*/
public class Spawnbroker extends CardImpl {
private static final String rule = "you may exchange control of target creature you control and target creature with power less than or equal to that creature's power an opponent controls";
public Spawnbroker(UUID ownerId, CardSetInfo setInfo) {
super(ownerId,setInfo,new CardType[]{CardType.CREATURE},"{2}{U}");
this.subtype.add(SubType.HUMAN);
this.subtype.add(SubType.WIZARD);
this.power = new MageInt(1);
this.toughness = new MageInt(1);
// When Spawnbroker enters the battlefield, you may exchange control of target creature you control and target creature with power less than or equal to that creature's power an opponent controls.
Ability ability = new EntersBattlefieldTriggeredAbility(new ExchangeControlTargetEffect(Duration.Custom, rule, false, true), true);
ability.addTarget(new TargetControlledCreatureWithPowerGreaterOrLessThanOpponentPermanent());
ability.addTarget(new SpawnbrokerSecondTarget());
this.addAbility(ability);
}
public Spawnbroker(final Spawnbroker card) {
super(card);
}
@Override
public Spawnbroker copy() {
return new Spawnbroker(this);
}
}
class TargetControlledCreatureWithPowerGreaterOrLessThanOpponentPermanent extends TargetControlledPermanent {
public TargetControlledCreatureWithPowerGreaterOrLessThanOpponentPermanent() {
super();
filter.add(new CardTypePredicate(CardType.CREATURE));
setTargetName("creature you control");
}
public TargetControlledCreatureWithPowerGreaterOrLessThanOpponentPermanent(final TargetControlledCreatureWithPowerGreaterOrLessThanOpponentPermanent target) {
super(target);
}
@Override
public boolean canTarget(UUID controllerId, UUID id, Ability source, Game game) {
return super.canTarget(controllerId, id, source, game);
}
@Override
public Set<UUID> possibleTargets(UUID sourceId, UUID sourceControllerId, Game game) {
Set<UUID> possibleTargets = new HashSet<>();
MageObject targetSource = game.getObject(sourceId);
for (Permanent permanent : game.getBattlefield().getActivePermanents(filter, sourceControllerId, sourceId, game)) {
if (!targets.containsKey(permanent.getId()) && permanent.canBeTargetedBy(targetSource, sourceControllerId, game)) {
possibleTargets.add(permanent.getId());
}
}
return possibleTargets;
}
@Override
public TargetControlledCreatureWithPowerGreaterOrLessThanOpponentPermanent copy() {
return new TargetControlledCreatureWithPowerGreaterOrLessThanOpponentPermanent(this);
}
}
class SpawnbrokerSecondTarget extends TargetPermanent {
private Permanent firstTarget = null;
public SpawnbrokerSecondTarget() {
super();
filter.add(new ControllerPredicate(TargetController.OPPONENT));
filter.add(new CardTypePredicate(CardType.CREATURE));
setTargetName("creature with power less than or equal to that creature's power an opponent controls");
}
public SpawnbrokerSecondTarget(final SpawnbrokerSecondTarget target) {
super(target);
this.firstTarget = target.firstTarget;
}
@Override
public boolean canTarget(UUID id, Ability source, Game game) {
if (super.canTarget(id, source, game)) {
Permanent target1 = game.getPermanent(source.getFirstTarget());
Permanent opponentPermanent = game.getPermanent(id);
if (target1 != null && opponentPermanent != null) {
return target1.getPower().getValue() >= opponentPermanent.getPower().getValue();
}
}
return false;
}
@Override
public Set<UUID> possibleTargets(UUID sourceId, UUID sourceControllerId, Game game) {
Set<UUID> possibleTargets = new HashSet<>();
if (firstTarget != null) {
MageObject targetSource = game.getObject(sourceId);
for (Permanent permanent : game.getBattlefield().getActivePermanents(filter, sourceControllerId, sourceId, game)) {
if (!targets.containsKey(permanent.getId()) && permanent.canBeTargetedBy(targetSource, sourceControllerId, game)) {
if (firstTarget.getPower().getValue() >= permanent.getPower().getValue()) {
possibleTargets.add(permanent.getId());
}
}
}
}
return possibleTargets;
}
@Override
public boolean chooseTarget(Outcome outcome, UUID playerId, Ability source, Game game) {
firstTarget = game.getPermanent(source.getFirstTarget());
return super.chooseTarget(Outcome.GainControl, playerId, source, game);
}
@Override
public SpawnbrokerSecondTarget copy() {
return new SpawnbrokerSecondTarget(this);
}
}