Package mage.sets.magic2015

Source Code of mage.sets.magic2015.TheChainVeilIncreaseLoyaltyUseEffect

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package mage.sets.magic2015;

import java.util.HashSet;
import java.util.Set;
import java.util.UUID;
import mage.abilities.Ability;
import mage.abilities.LoyaltyAbility;
import mage.abilities.common.BeginningOfEndStepTriggeredAbility;
import mage.abilities.common.SimpleActivatedAbility;
import mage.abilities.costs.common.TapSourceCost;
import mage.abilities.costs.mana.ManaCostsImpl;
import mage.abilities.effects.ContinuousEffectImpl;
import mage.abilities.effects.OneShotEffect;
import mage.cards.CardImpl;
import mage.constants.CardType;
import mage.constants.Duration;
import mage.constants.Layer;
import mage.constants.Outcome;
import mage.constants.Rarity;
import mage.constants.SubLayer;
import mage.constants.TargetController;
import mage.constants.WatcherScope;
import mage.constants.Zone;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.stack.StackObject;
import mage.players.Player;
import mage.watchers.Watcher;

/**
*
* @author LevelX2
*/
public class TheChainVeil extends CardImpl {

    public TheChainVeil(UUID ownerId) {
        super(ownerId, 215, "The Chain Veil", Rarity.MYTHIC, new CardType[]{CardType.ARTIFACT}, "{4}");
        this.expansionSetCode = "M15";
        this.supertype.add("Legendary");

        // At the beginning of your end step, if you didn't activate a loyalty ability of a planeswalker this turn, you lose 2 life.
        this.addAbility(new BeginningOfEndStepTriggeredAbility(new TheChainVeilTriggeredEffect(), TargetController.YOU, false));
        this.addWatcher(new ActivatedLoyaltyAbilityWatcher());
        // {4}, {T}: For each planeswalker you control, you may activate one of its loyalty abilities once this turn as though none of its loyalty abilities had been activated this turn.
        Ability ability = new SimpleActivatedAbility(Zone.BATTLEFIELD,
            new TheChainVeilIncreaseLoyaltyUseEffect(),
            new ManaCostsImpl("{4}"));
        ability.addCost(new TapSourceCost());
        this.addAbility(ability);

    }

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

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

class TheChainVeilTriggeredEffect extends OneShotEffect {

    public TheChainVeilTriggeredEffect() {
        super(Outcome.LoseLife);
        this.staticText = "if you didn't activate a loyalty ability of a planeswalker this turn, you lose 2 life";
    }

    public TheChainVeilTriggeredEffect(final TheChainVeilTriggeredEffect effect) {
        super(effect);
    }

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

    @Override
    public boolean apply(Game game, Ability source) {
        Player controller = game.getPlayer(source.getControllerId());
        if (controller != null) {
            ActivatedLoyaltyAbilityWatcher watcher = (ActivatedLoyaltyAbilityWatcher) game.getState().getWatchers().get("ActivatedLoyaltyAbilityWatcher");
            if (watcher != null) {
                if (!watcher.activatedLayaltyAbility(source.getControllerId())) {
                    controller.loseLife(2, game);
                }
            }
        }
        return false;
    }
}


class ActivatedLoyaltyAbilityWatcher extends Watcher {

    private final Set<UUID> playerIds = new HashSet<>();

    public ActivatedLoyaltyAbilityWatcher() {
       super("ActivatedLoyaltyAbilityWatcher", WatcherScope.GAME);
    }

    public ActivatedLoyaltyAbilityWatcher(final ActivatedLoyaltyAbilityWatcher watcher) {
       super(watcher);
       playerIds.addAll(watcher.playerIds);
    }

    @Override
    public void watch(GameEvent event, Game game) {
       if (event.getType() == GameEvent.EventType.ACTIVATED_ABILITY ) {
           StackObject stackObject = game.getStack().getStackObject(event.getTargetId());
           if (stackObject != null &&
                   stackObject.getStackAbility() != null &&
                   stackObject.getStackAbility() instanceof LoyaltyAbility) {
               playerIds.add(stackObject.getControllerId());
           }
       }
    }

    @Override
    public void reset() {
        playerIds.clear();
    }

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

    public boolean activatedLayaltyAbility(UUID playerId) {
        return playerIds.contains(playerId);
    }
}

class TheChainVeilIncreaseLoyaltyUseEffect extends ContinuousEffectImpl {

    public TheChainVeilIncreaseLoyaltyUseEffect() {
        super(Duration.WhileOnBattlefield, Layer.RulesEffects, SubLayer.NA, Outcome.Benefit);
        staticText = "For each planeswalker you control, you may activate one of its loyalty abilities once this turn as though none of its loyalty abilities had been activated this turn";
    }

    public TheChainVeilIncreaseLoyaltyUseEffect(final TheChainVeilIncreaseLoyaltyUseEffect effect) {
        super(effect);
    }

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

    @Override
    public boolean apply(Layer layer, SubLayer sublayer, Ability source, Game game) {
        Player controller = game.getPlayer(source.getControllerId());
        if (controller != null) {
            controller.setLoyaltyUsePerTurn(controller.getLoyaltyUsePerTurn() + 1);
        }
        return true;
    }

    @Override
    public boolean apply(Game game, Ability source) {
        return false;
    }

    @Override
    public boolean hasLayer(Layer layer) {
        return layer == Layer.RulesEffects;
    }
}
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