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* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
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package mage.sets.worldwake;
import java.util.UUID;
import mage.constants.CardType;
import mage.constants.Rarity;
import mage.constants.WatcherScope;
import mage.abilities.Ability;
import mage.abilities.costs.AlternativeCostImpl;
import mage.abilities.costs.mana.ColoredManaCost;
import mage.abilities.effects.common.ChooseNewTargetsTargetEffect;
import mage.cards.CardImpl;
import mage.constants.ColoredManaSymbol;
import mage.filter.FilterSpell;
import mage.filter.predicate.mageobject.NumberOfTargetsPredicate;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.events.GameEvent.EventType;
import mage.game.stack.Spell;
import mage.target.TargetSpell;
import mage.watchers.Watcher;
/**
*
* @author jeffwadsworth
*/
public class RicochetTrap extends CardImpl {
private static final FilterSpell filter = new FilterSpell("spell with a single target");
static {
filter.add(new NumberOfTargetsPredicate(1));
}
public RicochetTrap(UUID ownerId) {
super(ownerId, 87, "Ricochet Trap", Rarity.UNCOMMON, new CardType[]{CardType.INSTANT}, "{3}{R}");
this.expansionSetCode = "WWK";
this.subtype.add("Trap");
this.color.setRed(true);
// If an opponent cast a blue spell this turn, you may pay {R} rather than pay Ricochet Trap's mana cost.
this.getSpellAbility().addAlternativeCost(new RicochetTrapAlternativeCost());
// Change the target of target spell with a single target.
this.getSpellAbility().addEffect(new ChooseNewTargetsTargetEffect(true, true));
this.getSpellAbility().addTarget(new TargetSpell(filter));
this.addWatcher(new RicochetTrapWatcher());
}
public RicochetTrap(final RicochetTrap card) {
super(card);
}
@Override
public RicochetTrap copy() {
return new RicochetTrap(this);
}
}
class RicochetTrapWatcher extends Watcher {
public RicochetTrapWatcher() {
super("RicochetTrapWatcher", WatcherScope.GAME);
}
public RicochetTrapWatcher(final RicochetTrapWatcher watcher) {
super(watcher);
}
@Override
public RicochetTrapWatcher copy() {
return new RicochetTrapWatcher(this);
}
@Override
public void watch(GameEvent event, Game game) {
if (condition == true) //no need to check - condition has already occured
{
return;
}
if (event.getType() == EventType.SPELL_CAST
&& game.getOpponents(controllerId).contains(event.getPlayerId())) {
Spell spell = game.getStack().getSpell(event.getTargetId());
if (spell.getColor().isBlue()) {
condition = true;
}
}
}
@Override
public void reset() {
super.reset();
condition = false;
}
}
class RicochetTrapAlternativeCost extends AlternativeCostImpl {
public RicochetTrapAlternativeCost() {
super("You may pay {R} rather than pay Ricochet Trap's mana cost");
this.add(new ColoredManaCost(ColoredManaSymbol.R));
}
public RicochetTrapAlternativeCost(final RicochetTrapAlternativeCost cost) {
super(cost);
}
@Override
public RicochetTrapAlternativeCost copy() {
return new RicochetTrapAlternativeCost(this);
}
@Override
public boolean isAvailable(Game game, Ability source) {
RicochetTrapWatcher watcher = (RicochetTrapWatcher) game.getState().getWatchers().get("RicochetTrapWatcher");
if (watcher != null && watcher.conditionMet()) {
return true;
}
return false;
}
@Override
public String getText() {
return "If an opponent cast a blue spell this turn, you may pay {R} rather than pay {this} mana cost";
}
}