Package mage.abilities.keyword

Source Code of mage.abilities.keyword.BecomeMonstrousSourceEffect

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* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
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package mage.abilities.keyword;

import mage.abilities.Ability;
import mage.abilities.ActivatedAbilityImpl;
import mage.abilities.costs.mana.ManaCostsImpl;
import mage.abilities.effects.OneShotEffect;
import mage.abilities.effects.common.counter.AddCountersSourceEffect;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.counters.CounterType;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.permanent.Permanent;
import mage.util.CardUtil;


/**
* Monstrosity
*
* 701.28. Monstrosity
*
* 701.28a “Monstrosity N” means “If this permanent isn’t monstrous, put N +1/+1 counters on it
*         and it becomes monstrous.” Monstrous is a condition of that permanent that can be
*         referred to by other abilities.
*
* 701.28b If a permanent’s ability instructs a player to “monstrosity X,” other abilities of
*         that permanent may also refer to X. The value of X in those abilities is equal to
*         the value of X as that permanent became monstrous.
*
* * Once a creature becomes monstrous, it can’t become monstrous again. If the creature
*   is already monstrous when the monstrosity ability resolves, nothing happens.
*
* * Monstrous isn’t an ability that a creature has. It’s just something true about that
*   creature. If the creature stops being a creature or loses its abilities, it will
*   continue to be monstrous.
*
* * An ability that triggers when a creature becomes monstrous won’t trigger if that creature
*   isn’t on the battlefield when its monstrosity ability resolves.
*
* @author LevelX2
*/

public class MonstrosityAbility extends ActivatedAbilityImpl {

    private int monstrosityValue;

    /**
     *
     * @param manaString
     * @param monstrosityValue use Integer.MAX_VALUE for monstrosity X.
     */
    public MonstrosityAbility(String manaString, int monstrosityValue) {
        super(Zone.BATTLEFIELD, new BecomeMonstrousSourceEffect(monstrosityValue),new ManaCostsImpl(manaString));
        this.monstrosityValue = monstrosityValue;
    }

    public MonstrosityAbility(final MonstrosityAbility ability) {
        super(ability);
        this.monstrosityValue = ability.monstrosityValue;
    }

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

    public int getMonstrosityValue() {
        return monstrosityValue;
    }

}


class BecomeMonstrousSourceEffect extends OneShotEffect {

    public BecomeMonstrousSourceEffect(int monstrosityValue) {
        super(Outcome.BoostCreature);
        this.staticText = setText(monstrosityValue);
    }

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

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

    @Override
    public boolean apply(Game game, Ability source) {
        Permanent permanent = game.getPermanent(source.getSourceId());
        if (permanent != null && !permanent.isMonstrous() && source instanceof MonstrosityAbility) {
            int monstrosityValue = ((MonstrosityAbility) source).getMonstrosityValue();
            // handle monstrosity = X
            if (monstrosityValue == Integer.MAX_VALUE) {
                monstrosityValue = source.getManaCostsToPay().getX();
            }
            new AddCountersSourceEffect(CounterType.P1P1.createInstance(monstrosityValue)).apply(game, source);
            permanent.setMonstrous(true);
            game.fireEvent(GameEvent.getEvent(GameEvent.EventType.BECOMES_MONSTROUS, source.getSourceId(), source.getSourceId(), source.getControllerId(), monstrosityValue));
            return true;
        }
        return false;
    }

    private String setText(int monstrosityValue) {
        StringBuilder sb = new StringBuilder("Monstrosity ");
        sb.append(monstrosityValue == Integer.MAX_VALUE ? "X":monstrosityValue)
                .append(".  <i>(If this creature isn't monstrous, put ")
                .append(monstrosityValue == Integer.MAX_VALUE ? "X":CardUtil.numberToText(monstrosityValue))
                .append(" +1/+1 counters on it and it becomes monstrous.)</i>").toString();
        return sb.toString();
    }

}
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