foul-magics/Mage/src/main/java/mage/abilities/effects/common/UntapLandsEffect.java
2018-05-02 17:42:41 -04:00

106 lines
4.5 KiB
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
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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package mage.abilities.effects.common;
import java.util.UUID;
import mage.abilities.Ability;
import mage.abilities.effects.OneShotEffect;
import mage.constants.Outcome;
import mage.filter.common.FilterLandPermanent;
import mage.filter.predicate.permanent.TappedPredicate;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.players.Player;
import mage.target.common.TargetLandPermanent;
import mage.util.CardUtil;
/**
* "Untap (up to) X lands" effect
*/
public class UntapLandsEffect extends OneShotEffect {
private static final FilterLandPermanent filter = new FilterLandPermanent("untapped lands");
static {
filter.add(new TappedPredicate());
}
private final int amount;
private final boolean upTo;
public UntapLandsEffect(int amount) {
this(amount, true);
}
public UntapLandsEffect(int amount, boolean upTo) {
super(Outcome.Untap);
this.amount = amount;
this.upTo = upTo;
staticText = "untap " + (upTo ? "up to " : "") + CardUtil.numberToText(amount, staticText) + " lands";
}
public UntapLandsEffect(final UntapLandsEffect effect) {
super(effect);
this.amount = effect.amount;
this.upTo = effect.upTo;
}
@Override
public boolean apply(Game game, Ability source) {
Player controller = game.getPlayer(source.getControllerId());
if (controller != null) {
int tappedLands = game.getBattlefield().getAllActivePermanents(filter, controller.getId(), game).size();
TargetLandPermanent target = new TargetLandPermanent(upTo ? 0 : Math.min(tappedLands, amount), amount, filter, true);
if (target.canChoose(source.getSourceId(), source.getControllerId(), game)) {
// UI Shortcut: Check if any lands are already tapped. If there are equal/fewer than amount, give the option to add those in to be untapped now.
if (tappedLands <= amount && upTo) {
if (controller.chooseUse(outcome, "Include your tapped lands to untap?", source, game)) {
for (Permanent land : game.getBattlefield().getAllActivePermanents(filter, controller.getId(), game)) {
target.addTarget(land.getId(), source, game);
}
}
}
if (target.choose(Outcome.Untap, source.getControllerId(), source.getSourceId(), game)) {
for (Object targetId : target.getTargets()) {
Permanent p = game.getPermanent((UUID) targetId);
if (p != null) {
p.untap(game);
}
}
}
}
return true;
}
return false;
}
@Override
public UntapLandsEffect copy() {
return new UntapLandsEffect(this);
}
}