/*
* 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:
*
* 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.
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* 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.abilities.effects.common;
import mage.Constants.Duration;
import mage.abilities.Ability;
import mage.abilities.effects.RequirementBlockEffect;
import mage.filter.common.FilterCreaturePermanent;
import mage.game.Game;
import mage.game.combat.CombatGroup;
import mage.game.permanent.Permanent;
import mage.players.Player;
/**
*
* @author BetaSteward_at_googlemail.com
*/
public class MustBlockSourceEffect extends RequirementBlockEffect<MustBlockSourceEffect> {
public MustBlockSourceEffect() {
super(Duration.WhileOnBattlefield);
}
public MustBlockSourceEffect(final MustBlockSourceEffect effect) {
super(effect);
}
@Override
public boolean apply(Game game, Ability source) {
CombatGroup group = game.getCombat().findGroup(source.getSourceId());
if (group != null) {
Player defender = null;
if (group.isDefenderIsPlaneswalker()) {
Permanent planeswalker = game.getPermanent(group.getDefenderId());
if (planeswalker != null) {
defender = game.getPlayer(planeswalker.getControllerId());
}
}
else {
defender = game.getPlayer(group.getDefenderId());
}
if (defender != null) {
for (Permanent creature: game.getBattlefield().getAllActivePermanents(FilterCreaturePermanent.getDefault(), defender.getId())) {
if (group.canBlock(creature, game)) {
group.addBlocker(creature.getId(), creature.getControllerId(), game);
}
}
return true;
}
}
return false;
}
@Override
public MustBlockSourceEffect copy() {
return new MustBlockSourceEffect(this);
}
@Override
public String getText(Ability source) {
return "All creatures able to block {this} do so";
}
}