Sunbond.java example

Explorer
mage-master
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package mage.cards.s;

import java.util.UUID;
import mage.abilities.Ability;
import mage.abilities.common.GainLifeControllerTriggeredAbility;
import mage.abilities.common.SimpleStaticAbility;
import mage.abilities.effects.Effect;
import mage.abilities.effects.OneShotEffect;
import mage.abilities.effects.common.AttachEffect;
import mage.abilities.effects.common.continuous.GainAbilityAttachedEffect;
import mage.abilities.effects.common.counter.AddCountersSourceEffect;
import mage.abilities.keyword.EnchantAbility;
import mage.cards.CardImpl;
import mage.cards.CardSetInfo;
import mage.constants.AttachmentType;
import mage.constants.CardType;
import mage.constants.Duration;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.counters.CounterType;
import mage.game.Game;
import mage.target.TargetPermanent;
import mage.target.common.TargetCreaturePermanent;

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

    public Sunbond(UUID ownerId, CardSetInfo setInfo) {
        super(ownerId,setInfo,new CardType[]{CardType.ENCHANTMENT},"{3}{W}");
        this.subtype.add("Aura");


        // Enchant creature
        TargetPermanent auraTarget = new TargetCreaturePermanent();
        this.getSpellAbility().addTarget(auraTarget);
        this.getSpellAbility().addEffect(new AttachEffect(Outcome.BoostCreature));
        Ability ability = new EnchantAbility(auraTarget.getTargetName());
        this.addAbility(ability);        
        // Enchanted creature has "Whenever you gain life, put that many +1/+1 counters on this creature."
        Effect effect = new GainAbilityAttachedEffect(new GainLifeControllerTriggeredAbility(new SunbondEffect(), false, true), AttachmentType.AURA, Duration.WhileOnBattlefield);
        this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, effect));
        
    }

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

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

class SunbondEffect extends OneShotEffect {
    
    public SunbondEffect() {
        super(Outcome.Benefit);
        this.staticText = "put that many +1/+1 counters on this creature";
    }
    
    public SunbondEffect(final SunbondEffect effect) {
        super(effect);
    }
    
    @Override
    public SunbondEffect copy() {
        return new SunbondEffect(this);
    }
    
    @Override
    public boolean apply(Game game, Ability source) {
        int lifeGained = (Integer) this.getValue("gainedLife");
        if (lifeGained > 0) {
            return new AddCountersSourceEffect(CounterType.P1P1.createInstance(lifeGained)).apply(game, source);
        }
        return false;
    }
}