forked from External/mage
98 lines
3 KiB
Java
98 lines
3 KiB
Java
|
|
package mage.cards.c;
|
|
|
|
import mage.abilities.Ability;
|
|
import mage.abilities.condition.Condition;
|
|
import mage.abilities.costs.AlternativeCostSourceAbility;
|
|
import mage.abilities.costs.mana.ManaCostsImpl;
|
|
import mage.abilities.effects.common.CreateTokenEffect;
|
|
import mage.cards.CardImpl;
|
|
import mage.cards.CardSetInfo;
|
|
import mage.constants.CardType;
|
|
import mage.constants.SubType;
|
|
import mage.constants.WatcherScope;
|
|
import mage.game.Game;
|
|
import mage.game.events.GameEvent;
|
|
import mage.game.permanent.Permanent;
|
|
import mage.game.permanent.token.SnakeToken;
|
|
import mage.game.stack.StackObject;
|
|
import mage.watchers.Watcher;
|
|
|
|
import java.util.HashSet;
|
|
import java.util.Set;
|
|
import java.util.UUID;
|
|
|
|
/**
|
|
* @author Rafbill
|
|
*/
|
|
public final class CobraTrap extends CardImpl {
|
|
|
|
public CobraTrap(UUID ownerId, CardSetInfo setInfo) {
|
|
super(ownerId, setInfo, new CardType[]{CardType.INSTANT}, "{4}{G}{G}");
|
|
this.subtype.add(SubType.TRAP);
|
|
|
|
// If a noncreature permanent under your control was destroyed this turn by a spell or ability an opponent controlled, you may pay {G} rather than pay Cobra Trap's mana cost.
|
|
this.addAbility(new AlternativeCostSourceAbility(new ManaCostsImpl<>("{G}"), CobraTrapCondition.instance), new CobraTrapWatcher());
|
|
|
|
// Create four 1/1 green Snake creature tokens.
|
|
this.getSpellAbility().addEffect(new CreateTokenEffect(new SnakeToken(), 4));
|
|
}
|
|
|
|
private CobraTrap(final CobraTrap card) {
|
|
super(card);
|
|
}
|
|
|
|
@Override
|
|
public CobraTrap copy() {
|
|
return new CobraTrap(this);
|
|
}
|
|
}
|
|
|
|
enum CobraTrapCondition implements Condition {
|
|
|
|
instance;
|
|
|
|
@Override
|
|
public boolean apply(Game game, Ability source) {
|
|
CobraTrapWatcher watcher = game.getState().getWatcher(CobraTrapWatcher.class);
|
|
return watcher != null && watcher.conditionMet(source.getControllerId());
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return "a noncreature permanent under your control was destroyed this turn by a spell or ability an opponent controlled";
|
|
}
|
|
|
|
}
|
|
|
|
class CobraTrapWatcher extends Watcher {
|
|
|
|
private Set<UUID> players = new HashSet<>();
|
|
|
|
public CobraTrapWatcher() {
|
|
super(WatcherScope.GAME);
|
|
}
|
|
|
|
@Override
|
|
public void watch(GameEvent event, Game game) {
|
|
if (event.getType() == GameEvent.EventType.DESTROYED_PERMANENT) {
|
|
Permanent perm = game.getPermanentOrLKIBattlefield(event.getTargetId()); // can regenerate or be indestructible
|
|
if (perm != null && !perm.isCreature(game)) {
|
|
StackObject spell = game.getStack().getStackObject(event.getSourceId());
|
|
if (spell != null && game.getOpponents(perm.getControllerId()).contains(spell.getControllerId())) {
|
|
players.add(perm.getControllerId());
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void reset() {
|
|
super.reset();
|
|
players.clear();
|
|
}
|
|
|
|
public boolean conditionMet(UUID playerId) {
|
|
return players.contains(playerId);
|
|
}
|
|
}
|