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package mage.sets.zendikar;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import mage.constants.CardType;
import mage.constants.Rarity;
import mage.abilities.Ability;
import mage.abilities.costs.AlternativeCostImpl;
import mage.abilities.costs.mana.ManaCostsImpl;
import mage.abilities.effects.common.DamageAllEffect;
import mage.abilities.effects.common.DestroyTargetEffect;
import mage.cards.CardImpl;
import mage.constants.WatcherScope;
import mage.filter.common.FilterCreaturePermanent;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.permanent.Permanent;
import mage.target.common.TargetLandPermanent;
import mage.watchers.Watcher;
/**
*
* @author jeffwadsworth
*/
public class LavaballTrap extends CardImpl {
public LavaballTrap(UUID ownerId) {
super(ownerId, 135, "Lavaball Trap", Rarity.RARE, new CardType[]{CardType.INSTANT}, "{6}{R}{R}");
this.expansionSetCode = "ZEN";
this.subtype.add("Trap");
this.color.setRed(true);
// If an opponent had two or more lands enter the battlefield under his or her control this turn, you may pay {3}{R}{R} rather than pay Lavaball Trap's mana cost.
this.getSpellAbility().addAlternativeCost(new LavaballTrapAlternativeCost());
this.addWatcher(new LavaballTrapWatcher());
// Destroy two target lands. Lavaball Trap deals 4 damage to each creature.
this.getSpellAbility().addEffect(new DestroyTargetEffect());
this.getSpellAbility().addEffect(new DamageAllEffect(4, new FilterCreaturePermanent()));
this.getSpellAbility().addTarget(new TargetLandPermanent(2));
}
public LavaballTrap(final LavaballTrap card) {
super(card);
}
@Override
public LavaballTrap copy() {
return new LavaballTrap(this);
}
}
class LavaballTrapWatcher extends Watcher {
private Map<UUID, Integer> amountOfLandsPlayedThisTurn = new HashMap<UUID, Integer>();
public LavaballTrapWatcher() {
super("LavaballTrapWatcher", WatcherScope.GAME);
}
public LavaballTrapWatcher(final LavaballTrapWatcher watcher) {
super(watcher);
for (Map.Entry<UUID, Integer> entry : watcher.amountOfLandsPlayedThisTurn.entrySet()) {
amountOfLandsPlayedThisTurn.put(entry.getKey(), entry.getValue());
}
}
@Override
public LavaballTrapWatcher copy() {
return new LavaballTrapWatcher(this);
}
@Override
public void watch(GameEvent event, Game game) {
if (event.getType() == GameEvent.EventType.ENTERS_THE_BATTLEFIELD) {
Permanent perm = game.getPermanent(event.getTargetId());
if (perm.getCardType().contains(CardType.LAND)) {
Integer amount = amountOfLandsPlayedThisTurn.get(perm.getControllerId());
if (amount == null) {
amount = Integer.valueOf(1);
} else {
++amount;
}
amountOfLandsPlayedThisTurn.put(perm.getControllerId(), amount);
}
}
}
public int maxLandsAnOpponentPlayedThisTurn(UUID playerId, Game game) {
int maxLands = 0;
for (UUID opponentId : game.getOpponents(playerId)) {
Integer amount = amountOfLandsPlayedThisTurn.get(opponentId);
if (amount != null && amount.intValue() > maxLands) {
maxLands = amount.intValue();
}
}
return maxLands;
}
@Override
public void reset() {
super.reset();
amountOfLandsPlayedThisTurn.clear();
}
}
class LavaballTrapAlternativeCost extends AlternativeCostImpl {
public LavaballTrapAlternativeCost() {
super("you may pay {3}{R}{R} rather than pay Lavaball Trap's mana cost");
this.add(new ManaCostsImpl("{3}{R}{R}"));
}
public LavaballTrapAlternativeCost(final LavaballTrapAlternativeCost cost) {
super(cost);
}
@Override
public LavaballTrapAlternativeCost copy() {
return new LavaballTrapAlternativeCost(this);
}
@Override
public boolean isAvailable(Game game, Ability source) {
LavaballTrapWatcher watcher = (LavaballTrapWatcher) game.getState().getWatchers().get("LavaballTrapWatcher");
if (watcher != null && watcher.maxLandsAnOpponentPlayedThisTurn(source.getControllerId(), game) > 1) {
return true;
}
return false;
}
@Override
public String getText() {
return "If an opponent had two or more lands enter the battlefield under his or her control this turn, you may pay {3}{R}{R} rather than pay Lavaball Trap's mana cost";
}
}