mage/Mage.Sets/src/mage/sets/guildpact/InkTreaderNephilim.java

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 *        of conditions and the following disclaimer in the documentation and/or other materials
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package mage.sets.guildpact;

import java.util.UUID;
import mage.constants.CardType;
import mage.constants.Rarity;
import mage.MageInt;
import mage.cards.CardImpl;

import mage.abilities.Ability;
import mage.abilities.SpellAbility;
import mage.abilities.TriggeredAbilityImpl;
import mage.abilities.effects.Effect;
import mage.abilities.effects.OneShotEffect;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.filter.FilterSpell;
import mage.filter.FilterPermanent;
import mage.filter.predicate.Predicates;
import mage.filter.predicate.mageobject.CardTypePredicate;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.permanent.Permanent;
import mage.game.stack.Spell;
import mage.target.Target;
import mage.abilities.Modes;


/**
 * @author duncancmt
 */
public class InkTreaderNephilim extends CardImpl {

    public InkTreaderNephilim(UUID ownerId) {
        super(ownerId, 117, "Ink-Treader Nephilim", Rarity.RARE, new CardType[]{CardType.CREATURE}, "{R}{G}{W}{U}");
        this.expansionSetCode = "GPT";
        this.subtype.add("Nephilim");
        this.color.setRed(true);
        this.color.setGreen(true);
        this.color.setWhite(true);
        this.color.setBlue(true);
        this.power = new MageInt(3);
        this.toughness = new MageInt(3);

        // Whenever a player casts an instant or sorcery spell, if that spell targets only Ink-Treader Nephilim, copy the spell for each other creature that spell could target. Each copy targets a different one of those creatures.
        this.addAbility(new InkTreaderNephilimTriggeredAbility());
    }

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

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

class InkTreaderNephilimTriggeredAbility extends TriggeredAbilityImpl {

    private static final FilterSpell filter = new FilterSpell();

    static {
        filter.add(Predicates.or(
                new CardTypePredicate(CardType.INSTANT),
                new CardTypePredicate(CardType.SORCERY)));
    }

    InkTreaderNephilimTriggeredAbility() {
        super(Zone.BATTLEFIELD, new InkTreaderNephilimEffect(), false);
    }

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

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

    @Override
    public boolean checkTrigger(GameEvent event, Game game) {
        if (event.getType() == GameEvent.EventType.SPELL_CAST) {
            Spell spell = game.getStack().getSpell(event.getTargetId());
            if (spell != null &&
                spell.getCardType().contains(CardType.INSTANT) || spell.getCardType().contains(CardType.SORCERY)){
                for (Effect effect : getEffects()) {
                    effect.setValue("TriggeringSpell", spell);
                }
                return true;
            }
        }
        return false;
    }

    @Override
    public boolean checkInterveningIfClause(Game game) {
        Spell spell = (Spell) getEffects().get(0).getValue("TriggeringSpell");
        if (spell != null) {
            boolean allTargetsInkTreaderNephilim = true;
            boolean atLeastOneTargetsInkTreaderNephilim = false;
            for (SpellAbility sa: spell.getSpellAbilities()){
                Modes modes = sa.getModes();
                for (UUID mode : modes.getSelectedModes()) {
                    for (Target targetInstance : modes.get(mode).getTargets()) {
                        for (UUID target : targetInstance.getTargets()) {
                            allTargetsInkTreaderNephilim &= target.equals(sourceId);
                            atLeastOneTargetsInkTreaderNephilim |= target.equals(sourceId);
                        }
                    }
                }
            }
            if (allTargetsInkTreaderNephilim && atLeastOneTargetsInkTreaderNephilim) {
                return true;
            }
        }
        return false;
    }

    @Override
    public String getRule() {
        return "Whenever a player casts an instant or sorcery spell, if that spell targets only Ink-Treader Nephilim, copy the spell for each other creature that spell could target. Each copy targets a different one of those creatures.";
    }
}

class InkTreaderNephilimEffect extends OneShotEffect {

    private static final FilterPermanent filter = new FilterPermanent();

    static {
        filter.add(new CardTypePredicate(CardType.CREATURE));
    }

    public InkTreaderNephilimEffect() {
        super(Outcome.Copy);
    }

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

    @Override
    public boolean apply(Game game, Ability source) {
        Spell spell = (Spell) getValue("TriggeringSpell");
        if (spell != null) {
            for (Permanent permanent : game.getBattlefield().getActivePermanents(filter, source.getControllerId(), source.getSourceId(), game)) {
                Spell copy = spell.copySpell();                
                copy.setControllerId(source.getControllerId());
                copy.setCopiedSpell(true);
                if (permanent.getId().equals(source.getSourceId())) {
                    continue; // copy only for other creatures
                }
                boolean legal = true;
                for (SpellAbility sa : copy.getSpellAbilities()) {
                    Modes modes = sa.getModes();
                    for (UUID mode : modes.getSelectedModes()) {
                        for (Target targetInstance : modes.get(mode).getTargets()) {
                            legal &= targetInstance.canTarget(permanent.getId(), sa, game);
                        }
                    }
                }
                if (legal) {
                    for (SpellAbility sa : copy.getSpellAbilities()) {
                        Modes modes = sa.getModes();
                        for (UUID mode : modes.getSelectedModes()) {
                            for (Target targetInstance : modes.get(mode).getTargets()) {
                                int numTargets = targetInstance.getNumberOfTargets();
                                targetInstance.clearChosen();
                                while (numTargets > 0) {
                                    targetInstance.add(permanent.getId(), game);
                                    numTargets--;
                                }
                            }
                        }
                    }
                    game.getStack().push(copy);
                }
            }
            return true;
        }
        return false;
    }

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

}