Implemented Raging River

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package mage.cards.r;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import mage.abilities.Ability;
import mage.abilities.common.AttacksWithCreaturesTriggeredAbility;
import mage.abilities.effects.OneShotEffect;
import mage.abilities.effects.RestrictionEffect;
import mage.abilities.effects.common.combat.CantBeBlockedByAllTargetEffect;
import mage.abilities.keyword.FlyingAbility;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.CardType;
import mage.constants.Duration;
import mage.constants.Outcome;
import mage.filter.common.FilterControlledCreaturePermanent;
import mage.filter.common.FilterCreaturePermanent;
import mage.filter.predicate.Predicate;
import mage.filter.predicate.Predicates;
import mage.filter.predicate.mageobject.AbilityPredicate;
import mage.game.Game;
import mage.game.combat.CombatGroup;
import mage.game.permanent.Permanent;
import mage.players.Player;
import mage.target.Target;
import mage.target.common.TargetControlledCreaturePermanent;
import mage.target.targetpointer.FixedTarget;
/**
*
* @author L_J
*/
public class RagingRiver extends CardImpl {
public RagingRiver(UUID ownerId, CardSetInfo setInfo) {
super(ownerId, setInfo, new CardType[]{CardType.ENCHANTMENT}, "{R}{R}");
// Whenever one or more creatures you control attack, each defending player divides all creatures without flying he or she controls into a "left" pile and a "right" pile. Then, for each attacking creature you control, choose "left" or "right." That creature can't be blocked this combat except by creatures with flying and creatures in a pile with the chosen label.
this.addAbility(new AttacksWithCreaturesTriggeredAbility(new RagingRiverEffect(), 1));
}
public RagingRiver(final RagingRiver card) {
super(card);
}
@Override
public RagingRiver copy() {
return new RagingRiver(this);
}
}
class RagingRiverEffect extends OneShotEffect {
public RagingRiverEffect() {
super(Outcome.Detriment);
staticText = "each defending player divides all creatures without flying he or she controls into a \"left\" pile and a \"right\" pile. Then, for each attacking creature you control, choose \"left\" or \"right.\" That creature can't be blocked this combat except by creatures with flying and creatures in a pile with the chosen label";
}
public RagingRiverEffect(final RagingRiverEffect effect) {
super(effect);
}
@Override
public RagingRiverEffect copy() {
return new RagingRiverEffect(this);
}
@Override
public boolean apply(Game game, Ability source) {
Player controller = game.getPlayer(source.getControllerId());
if (controller != null) {
List<Permanent> left = new ArrayList<>();
List<Permanent> right = new ArrayList<>();
for (UUID defenderId : game.getCombat().getPlayerDefenders(game)) {
Player defender = game.getPlayer(defenderId);
if (defender != null) {
List<Permanent> leftLog = new ArrayList<>();
List<Permanent> rightLog = new ArrayList<>();
FilterControlledCreaturePermanent filterBlockers = new FilterControlledCreaturePermanent("creatures without flying you control to assign to the \"left\" pile (creatures not chosen will be assigned to the \"right\" pile)");
filterBlockers.add(Predicates.not(new AbilityPredicate(FlyingAbility.class)));
Target target = new TargetControlledCreaturePermanent(0, Integer.MAX_VALUE, filterBlockers, true);
if (target.canChoose(source.getSourceId(), defenderId, game)) {
if (defender.chooseTarget(Outcome.Neutral, target, source, game)) {
for (Permanent permanent : game.getBattlefield().getAllActivePermanents(new FilterCreaturePermanent(), defenderId, game)) {
if (target.getTargets().contains(permanent.getId())) {
left.add(permanent);
leftLog.add(permanent);
}
else if (filterBlockers.match(permanent, source.getSourceId(), defenderId, game)) {
right.add(permanent);
rightLog.add(permanent);
}
}
}
// it could be nice to invoke some graphic indicator of which creature is Left or Right in this spot
StringBuilder sb = new StringBuilder("Left pile of ").append(defender.getLogName()).append(": ");
int i = 0;
for (Permanent permanent : leftLog) {
i++;
sb.append(permanent.getLogName());
if (i < leftLog.size()) {
sb.append(", ");
}
}
game.informPlayers(sb.toString());
sb = new StringBuilder("Right pile of ").append(defender.getLogName()).append(": ");
i = 0;
for (Permanent permanent : rightLog) {
i++;
sb.append(permanent.getLogName());
if (i < rightLog.size()) {
sb.append(", ");
}
}
game.informPlayers(sb.toString());
}
}
}
for (UUID attackers : game.getCombat().getAttackers()) {
Permanent attacker = game.getPermanent(attackers);
if (attacker != null && attacker.getControllerId() == controller.getId()) {
CombatGroup combatGroup = game.getCombat().findGroup(attacker.getId());
if (combatGroup != null) {
FilterCreaturePermanent filter = new FilterCreaturePermanent();
Player defender = game.getPlayer(combatGroup.getDefendingPlayerId());
if (defender != null) {
if (left.isEmpty() && right.isEmpty() && game.getOpponents(controller.getId()).size() < 2) {
// shortcut in case of a single opponent not having any creatures (since he has no further way of acquiring blockers with left/right labels,
// and Portal Mage can't potentially redirect the creature into an opponent with labeled blockers)
filter.add(Predicates.not(new AbilityPredicate(FlyingAbility.class)));
} else {
List<Permanent> leftLog = new ArrayList<>();
List<Permanent> rightLog = new ArrayList<>();
for (Permanent permanent : left) {
if (permanent.getControllerId() == defender.getId()) {
leftLog.add(permanent);
}
}
for (Permanent permanent : right) {
if (permanent.getControllerId() == defender.getId()) {
rightLog.add(permanent);
}
}
if (controller.choosePile(outcome, attacker.getName() + ": attacking " + defender.getName(), leftLog, rightLog, game)) {
filter.add(Predicates.not(Predicates.or(new AbilityPredicate(FlyingAbility.class), new PermanentInListPredicate(left))));
game.informPlayers(attacker.getLogName() + ": attacks left (" + defender.getLogName() + ")");
} else {
filter.add(Predicates.not(Predicates.or(new AbilityPredicate(FlyingAbility.class), new PermanentInListPredicate(right))));
game.informPlayers(attacker.getLogName() + ": attacks right (" + defender.getLogName() + ")");
}
}
RestrictionEffect effect = new CantBeBlockedByAllTargetEffect(filter, Duration.EndOfCombat);
effect.setTargetPointer(new FixedTarget(attacker.getId()));
game.addEffect(effect, source);
}
}
}
}
return true;
}
return false;
}
}
class PermanentInListPredicate implements Predicate<Permanent> {
private final List<Permanent> permanents;
public PermanentInListPredicate(List<Permanent> permanents) {
this.permanents = permanents;
}
@Override
public boolean apply(Permanent input, Game game) {
return permanents.contains(input);
}
}