foul-magics/Mage.Sets/src/mage/sets/magic2010/ProteanHydra.java

/*
 *  Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
 * 
 *  Redistribution and use in source and binary forms, with or without modification, are
 *  permitted provided that the following conditions are met:
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 *     1. Redistributions of source code must retain the above copyright notice, this list of
 *        conditions and the following disclaimer.
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 *     2. Redistributions in binary form must reproduce the above copyright notice, this list
 *        of conditions and the following disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 * 
 *  THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
 *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 *  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
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package mage.sets.magic2010;

import mage.MageInt;
import mage.abilities.Ability;
import mage.abilities.DelayedTriggeredAbility;
import mage.abilities.SpellAbility;
import mage.abilities.TriggeredAbilityImpl;
import mage.abilities.common.EntersBattlefieldAbility;
import mage.abilities.common.SimpleStaticAbility;
import mage.abilities.effects.EntersBattlefieldEffect;
import mage.abilities.effects.OneShotEffect;
import mage.abilities.effects.PreventionEffectImpl;
import mage.abilities.effects.common.CreateDelayedTriggeredAbilityEffect;
import mage.abilities.effects.common.counter.AddCountersSourceEffect;
import mage.cards.CardImpl;
import mage.constants.*;
import mage.counters.CounterType;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.events.GameEvent.EventType;
import mage.game.permanent.Permanent;

import java.util.UUID;

/**
 *
 * @author BetaSteward_at_googlemail.com
 */
public class ProteanHydra extends CardImpl<ProteanHydra> {

    public ProteanHydra(UUID ownerId) {
        super(ownerId, 200, "Protean Hydra", Rarity.MYTHIC, new CardType[]{CardType.CREATURE}, "{X}{G}");
        this.expansionSetCode = "M10";
        this.subtype.add("Hydra");
        this.color.setGreen(true);
        this.power = new MageInt(0);
        this.toughness = new MageInt(0);

        this.addAbility(new EntersBattlefieldAbility(new ProteanHydraEffect1(), "with X +1/+1 counters on it"));
        this.addAbility(new ProteanHydraAbility());
        this.addAbility(new SimpleStaticAbility(Zone.BATTLEFIELD, new ProteanHydraEffect2()));
    }

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

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

    class ProteanHydraEffect1 extends OneShotEffect<ProteanHydraEffect1> {

        public ProteanHydraEffect1() {
            super(Outcome.BoostCreature);
            staticText = "{this} enters the battlefield with X +1/+1 counters on it";
        }

        public ProteanHydraEffect1(final ProteanHydraEffect1 effect) {
            super(effect);
        }

        @Override
        public boolean apply(Game game, Ability source) {
            Permanent permanent = game.getPermanent(source.getSourceId());
            if (permanent != null) {
                Object obj = getValue(EntersBattlefieldEffect.SOURCE_CAST_SPELL_ABILITY);
                if (obj != null && obj instanceof SpellAbility) {
                    int amount = ((SpellAbility)obj).getManaCostsToPay().getX();
                    if (amount > 0) {
                        permanent.addCounters(CounterType.P1P1.createInstance(amount), game);
                    }
                }
            }
            return true;
        }

        @Override
        public ProteanHydraEffect1 copy() {
            return new ProteanHydraEffect1(this);
        }

    }

    class ProteanHydraEffect2 extends PreventionEffectImpl<ProteanHydraEffect2> {

        public ProteanHydraEffect2() {
            super(Duration.WhileOnBattlefield);
        }

        public ProteanHydraEffect2(final ProteanHydraEffect2 effect) {
            super(effect);
            staticText = "If damage would be dealt to {this}, prevent that damage and remove that many +1/+1 counters from it";
        }

        @Override
        public ProteanHydraEffect2 copy() {
            return new ProteanHydraEffect2(this);
        }

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

        @Override
        public boolean replaceEvent(GameEvent event, Ability source, Game game) {
            boolean retValue = false;
            GameEvent preventEvent = new GameEvent(GameEvent.EventType.PREVENT_DAMAGE, source.getFirstTarget(), source.getId(), source.getControllerId(), event.getAmount(), false);
            int damage = event.getAmount();
            if (!game.replaceEvent(preventEvent)) {
                event.setAmount(0);
                game.fireEvent(GameEvent.getEvent(GameEvent.EventType.PREVENTED_DAMAGE, source.getFirstTarget(), source.getId(), source.getControllerId(), damage));
                retValue = true;
            }
            Permanent permanent = game.getPermanent(source.getSourceId());
            if (permanent != null) {
                permanent.removeCounters(CounterType.P1P1.createInstance(damage), game);
            }
            return retValue;
        }

        @Override
        public boolean applies(GameEvent event, Ability source, Game game) {
            if (super.applies(event, source, game)) {
                if (event.getTargetId().equals(source.getSourceId())) {
                    return true;
                }
            }
            return false;
        }

    }

    class ProteanHydraAbility extends TriggeredAbilityImpl<ProteanHydraAbility> {

        public ProteanHydraAbility() {
            super(Zone.BATTLEFIELD, new CreateDelayedTriggeredAbilityEffect(new ProteanHydraDelayedTriggeredAbility()), false);
        }

        public ProteanHydraAbility(final ProteanHydraAbility ability) {
            super(ability);
        }

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

        @Override
        public boolean checkTrigger(GameEvent event, Game game) {
            if (event.getType() == EventType.COUNTER_REMOVED && event.getData().equals("+1/+1") && event.getTargetId().equals(this.getSourceId())) {
                return true;
            }
            return false;
        }

        @Override
        public String getRule() {
            return "Whenever a +1/+1 counter is removed from {this}, put two +1/+1 counters on it at the beginning of the next end step.";
        }

    }

    class ProteanHydraDelayedTriggeredAbility extends DelayedTriggeredAbility<ProteanHydraDelayedTriggeredAbility> {

        public ProteanHydraDelayedTriggeredAbility() {
            super(new AddCountersSourceEffect(CounterType.P1P1.createInstance(2)));
        }

        public ProteanHydraDelayedTriggeredAbility(final ProteanHydraDelayedTriggeredAbility ability) {
            super(ability);
        }

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

        @Override
        public boolean checkTrigger(GameEvent event, Game game) {
            if (event.getType() == EventType.END_TURN_STEP_PRE) {
                return true;
            }
            return false;
        }

        @Override
        public String getRule() {
            return "Put two +1/+1 counters on {this} at the beginning of the next end step";
        }

    }
}