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package mage.abilities.keyword;
import java.util.UUID;
import mage.abilities.Ability;
import mage.abilities.DelayedTriggeredAbility;
import mage.abilities.SpellAbility;
import mage.abilities.common.SimpleStaticAbility;
import mage.abilities.condition.common.MyTurnCondition;
import mage.abilities.effects.OneShotEffect;
import mage.abilities.effects.ReplacementEffectImpl;
import mage.cards.Card;
import mage.constants.Duration;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.game.ExileZone;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.events.ZoneChangeEvent;
import mage.game.stack.Spell;
import mage.players.Player;
/**
* This ability has no effect by default and will always return false on the
* call to apply. This is because of how the {@link ReboundEffect} works. It
* will install the effect if and only if the spell was cast from the
* {@link Zone#HAND Hand}.
* <p/>
* 702.85. Rebound
* <p/>
* 702.85a Rebound appears on some instants and sorceries. It represents a
* static ability that functions while the spell is on the stack and may create
* a delayed triggered ability. "Rebound" means "If this spell was cast from
* your hand, instead of putting it into your graveyard as it resolves, exile it
* and, at the beginning of your next upkeep, you may cast this card from exile
* without paying its mana cost."
* <p/>
* 702.85b Casting a card without paying its mana cost as the result of a
* rebound ability follows the rules for paying alternative costs in rules
* 601.2b and 601.2e-g.
* <p/>
* 702.85c Multiple instances of rebound on the same spell are redundant.
*
* @author maurer.it_at_gmail.com, noxx
*/
public class ReboundAbility extends SimpleStaticAbility {
public ReboundAbility() {
super(Zone.STACK, new ReboundCastFromHandReplacementEffect());
}
public ReboundAbility(ReboundAbility ability) {
super(ability);
}
@Override
public ReboundAbility copy() {
return new ReboundAbility(this);
}
}
class ReboundCastFromHandReplacementEffect extends ReplacementEffectImpl {
ReboundCastFromHandReplacementEffect() {
super(Duration.WhileOnStack, Outcome.Benefit);
this.staticText = "Rebound <i>(If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may cast this card from exile without paying its mana cost.)</i>";
}
ReboundCastFromHandReplacementEffect(ReboundCastFromHandReplacementEffect effect) {
super(effect);
}
@Override
public boolean checksEventType(GameEvent event, Game game) {
return event.getType() == GameEvent.EventType.ZONE_CHANGE;
}
@Override
public boolean applies(GameEvent event, Ability source, Game game) {
if (((ZoneChangeEvent) event).getFromZone() == Zone.STACK
&& ((ZoneChangeEvent) event).getToZone() == Zone.GRAVEYARD
&& event.getSourceId() != null
&& event.getSourceId().equals(source.getSourceId())) { // if countered the source.sourceId is different or null if it fizzles
Spell spell = game.getStack().getSpell(event.getTargetId());
if (spell != null && spell.getFromZone() == Zone.HAND) {
return true;
}
}
return false;
}
@Override
public boolean replaceEvent(GameEvent event, Ability source, Game game) {
Spell sourceSpell = game.getStack().getSpell(source.getSourceId());
if (sourceSpell != null && sourceSpell.isCopiedSpell()) {
return false;
} else {
Card sourceCard = game.getCard(source.getSourceId());
if (sourceCard != null) {
Player player = game.getPlayer(sourceCard.getOwnerId());
if (player != null) {
// Add the delayed triggered effect
ReboundEffectCastFromExileDelayedTrigger trigger = new ReboundEffectCastFromExileDelayedTrigger(source.getSourceId(), source.getSourceId());
game.addDelayedTriggeredAbility(trigger, source);
player.moveCardToExileWithInfo(sourceCard, sourceCard.getId(), player.getName() + " Rebound", source.getSourceId(), game, Zone.STACK, true);
return true;
}
}
}
return false;
}
@Override
public ReboundCastFromHandReplacementEffect copy() {
return new ReboundCastFromHandReplacementEffect(this);
}
}
class ReboundEffectCastFromExileDelayedTrigger extends DelayedTriggeredAbility {
ReboundEffectCastFromExileDelayedTrigger(UUID cardId, UUID sourceId) {
super(new ReboundCastSpellFromExileEffect());
setSourceId(sourceId);
this.optional = true;
}
ReboundEffectCastFromExileDelayedTrigger(ReboundEffectCastFromExileDelayedTrigger ability) {
super(ability);
}
@Override
public ReboundEffectCastFromExileDelayedTrigger copy() {
return new ReboundEffectCastFromExileDelayedTrigger(this);
}
@Override
public boolean checkEventType(GameEvent event, Game game) {
return event.getType() == GameEvent.EventType.UPKEEP_STEP_PRE;
}
@Override
public boolean checkTrigger(GameEvent event, Game game) {
return MyTurnCondition.instance.apply(game, this);
}
@Override
public String getRule() {
return "Rebound - You may cast {this} from exile without paying its mana cost.";
}
}
/**
* Will be triggered by {@link ReboundEffectCastFromExileDelayedTrigger} and
* will simply cast the spell then remove it from its former home in exile.
*
* @author maurer.it_at_gmail.com
*/
class ReboundCastSpellFromExileEffect extends OneShotEffect {
private static String castFromExileText = "Rebound - You may cast {this} from exile without paying its mana cost";
ReboundCastSpellFromExileEffect() {
super(Outcome.Benefit);
staticText = castFromExileText;
}
ReboundCastSpellFromExileEffect(ReboundCastSpellFromExileEffect effect) {
super(effect);
}
@Override
public boolean apply(Game game, Ability source) {
ExileZone zone = game.getExile().getExileZone(source.getSourceId());
if (zone == null || zone.isEmpty()) {
return false;
}
Card reboundCard = zone.get(source.getSourceId(), game);
Player player = game.getPlayer(source.getControllerId());
if (player != null && reboundCard != null) {
SpellAbility ability = reboundCard.getSpellAbility();
player.cast(ability, game, true);
zone.remove(reboundCard.getId());
return true;
}
return false;
}
@Override
public ReboundCastSpellFromExileEffect copy() {
return new ReboundCastSpellFromExileEffect(this);
}
}