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package mage.abilities.keyword;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import mage.MageObject;
import mage.abilities.Ability;
import mage.abilities.ActivatedAbilityImpl;
import mage.abilities.TriggeredAbilityImpl;
import mage.abilities.common.BeginningOfUpkeepTriggeredAbility;
import mage.abilities.condition.common.SuspendedCondition;
import mage.abilities.costs.mana.ManaCost;
import mage.abilities.costs.mana.ManaCostsImpl;
import mage.abilities.costs.mana.VariableManaCost;
import mage.abilities.decorator.ConditionalTriggeredAbility;
import mage.abilities.effects.ContinuousEffectImpl;
import mage.abilities.effects.OneShotEffect;
import mage.abilities.effects.common.counter.RemoveCounterSourceEffect;
import mage.cards.Card;
import mage.constants.AsThoughEffectType;
import mage.constants.CardType;
import mage.constants.Duration;
import mage.constants.Layer;
import mage.constants.Outcome;
import mage.constants.SubLayer;
import mage.constants.TargetController;
import mage.constants.Zone;
import mage.counters.CounterType;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.permanent.Permanent;
import mage.players.Player;
/**
*
* 502.59. Suspend
*
* 502.59a Suspend is a keyword that represents three abilities. The first is a static
* ability that functions while the card with suspend is in a player's hand. The second
* and third are triggered abilities that function in the removed-from-the-game zone.
* "Suspend N--[cost]" means "If you could play this card from your hand, you may pay
* [cost] and remove it from the game with N time counters on it. This is a special
* action that doesn't use the stack," and "At the beginning of your upkeep, if this
* card is suspended, remove a time counter from it," and "When the last time counter
* is removed from this card, if it's removed from the game, play it without paying its
* mana cost if able. If you can't, it remains removed from the game. If you play it
* this way and it's a creature, it gains haste until you lose control of it."
*
* 502.59b A card is "suspended" if it's in the removed-from-the-game zone, has suspend,
* and has a time counter on it.
*
* 502.59c Playing a spell as an effect of its suspend ability follows the rules for
* paying alternative costs in rules 409.1b and 409.1f-h.
*
* The phrase "if you could play this card from your hand" checks only for timing
* restrictions and permissions. This includes both what's inherent in the card's
* type (for example, if the card with suspend is a creature, it must be your main
* phase and the stack must be empty) and what's imposed by other abilities, such
* as flash or Meddling Mage's ability. Whether you could actually follow all steps
* in playing the card is irrelevant. If the card is impossible to play due to a
* lack of legal targets or an unpayable mana cost, for example, it may still be
* removed from the game with suspend.
*
* Removing a card from the game with its suspend ability is not playing that card.
* This action doesn't use the stack and can't be responded to.
*
* If a spell with suspend has targets, the targets are chosen when the spell is
* played, not when it's removed from the game.
*
* If the first triggered ability of suspend is countered, no time counter is removed.
* The ability will trigger again during its owner's next upkeep.
*
* When the last time counter is removed from a suspended card, the second triggered
* ability of suspend will trigger. It doesn't matter why the time counter was removed
* or whose effect removed it. (The _Time Spiral_ reminder text is misleading on this point.)
*
* If the second triggered ability of suspend is countered, the card can't be played.
* It remains in the removed-from-the-game zone without any time counters on it for the
* rest of the game, and it's no longer considered suspended.
*
* If the second triggered ability of suspend resolves, the card's owner must play the
* spell if possible, even if that player doesn't want to. Normal timing considerations
* for the spell are ignored (for example, if the suspended card is a creature and this
* ability resolves during your upkeep, you’re able to play the card), but other play
* restrictions are not ignored.
*
* If the second triggered ability of suspend resolves and the suspended card can't be
* played due to a lack of legal targets or a play restriction, for example, it remains
* in the removed-from-the-game zone without any time counters on it for the rest of the
* game, and it's no longer considered suspended.
*
* As the second triggered ability of suspend resolves, if playing the suspended card
* involves an additional cost, the card's owner must pay that cost if able. If he or
* she can't, the card remains removed from the game. If the additional cost includes
* mana, the situation is more complex. If the player has enough mana in his or her mana
* pool to pay the cost, that player must do so. If the player can't possibly pay the
* cost, the card remains removed from the game. However, if the player has the means
* to produce enough mana to pay the cost, then he or she has a choice: The player may
* play the spell, produce mana, and pay the cost. Or the player may choose to play no
* mana abilities, thus making the card impossible to play because the additional mana
* can't be paid.
*
* A creature played via suspend comes into play with haste. It still has haste after
* the first turn it's in play as long as the same player controls it. As soon as another
* player takes control of it, it loses haste.
*
*
* @author LevelX2
*
*/
public class SuspendAbility extends ActivatedAbilityImpl {
private String ruleText;
private boolean gainedTemporary;
/**
* Gives the card the SuspendAbility
*
* @param suspend - amount of time counters, if Integer.MAX_VALUE is set there will be {X} costs and X counters added
* @param cost - null is used for temporary gained suspend ability
* @param card - card that has the suspend ability
*/
public SuspendAbility(int suspend, ManaCost cost, Card card) {
this(suspend, cost, card, false);
}
public SuspendAbility(int suspend, ManaCost cost, Card card, boolean shortRule) {
super(Zone.HAND, new SuspendExileEffect(suspend), cost);
this.usesStack = false;
if (suspend == Integer.MAX_VALUE) {
VariableManaCost xCosts = new VariableManaCost();
xCosts.setMinX(1);
this.addManaCost(xCosts);
cost = new ManaCostsImpl("{X}" + cost.getText());
}
StringBuilder sb = new StringBuilder("Suspend ");
if (cost != null) {
sb.append(suspend == Integer.MAX_VALUE ? "X":suspend).append(" - ").append(cost.getText());
if (!shortRule) {
sb.append(" <i>(Rather than cast this card from your hand, pay ")
.append(cost.getText())
.append(" and exile it with ")
.append((suspend == 1 ? "a time counter": (suspend == Integer.MAX_VALUE ? "X time counters": suspend + " time counters")))
.append(" on it.")
.append(" At the beginning of your upkeep, remove a time counter. When the last is removed, cast it without paying its mana cost.")
.append(card.getCardType().contains(CardType.CREATURE)? " If you play it this way and it's a creature, it gains haste until you lose control of it.":"")
.append(")</i>");
}
} else {
gainedTemporary = true;
}
ruleText = sb.toString();
if (card.getManaCost().isEmpty()) {
setRuleAtTheTop(true);
}
card.addAbility(new SuspendBeginningOfUpkeepTriggeredAbility());
card.addAbility(new SuspendPlayCardAbility(card.getCardType().contains(CardType.CREATURE)));
}
public SuspendAbility(SuspendAbility ability) {
super(ability);
this.ruleText = ability.getRule();
this.gainedTemporary = ability.gainedTemporary;
}
@Override
public boolean canActivate(UUID playerId, Game game) {
MageObject object = game.getObject(sourceId);
return (object.getCardType().contains(CardType.INSTANT) ||
object.hasAbility(FlashAbility.getInstance().getId(), game) ||
game.getContinuousEffects().asThough(sourceId, AsThoughEffectType.CAST_AS_INSTANT, this, playerId, game) ||
game.canPlaySorcery(playerId));
}
@Override
public String getRule() {
return ruleText;
}
public boolean isGainedTemporary() {
return gainedTemporary;
}
@Override
public SuspendAbility copy() {
return new SuspendAbility(this);
}
}
class SuspendExileEffect extends OneShotEffect {
private int suspend;
public SuspendExileEffect(int suspend) {
super(Outcome.PutCardInPlay);
this.staticText = new StringBuilder("Suspend ").append(suspend == Integer.MAX_VALUE ? "X":suspend).toString();
this.suspend = suspend;
}
public SuspendExileEffect(final SuspendExileEffect effect) {
super(effect);
this.suspend = effect.suspend;
}
@Override
public SuspendExileEffect copy() {
return new SuspendExileEffect(this);
}
@Override
public boolean apply(Game game, Ability source) {
Card card = game.getCard(source.getSourceId());
Player controller = game.getPlayer(source.getControllerId());
if (card != null && controller != null) {
// check if the user really wants to suspend the card (only if the spell can't be casted because else the choose ability dialog appears)
if (!card.getSpellAbility().canActivate(source.getControllerId(), game)) {
if (!controller.chooseUse(outcome, new StringBuilder("Suspend ").append(card.getName()).append("?").toString(), game)) {
return false;
}
}
UUID exileId = (UUID) game.getState().getValue("SuspendExileId" + source.getControllerId().toString());
if (exileId == null) {
exileId = UUID.randomUUID();
game.getState().setValue("SuspendExileId" + source.getControllerId().toString(), exileId);
}
if (card.moveToExile(exileId, new StringBuilder("Suspended cards of ").append(controller.getName()).toString() , source.getSourceId(), game)) {
if (suspend == Integer.MAX_VALUE) {
suspend = source.getManaCostsToPay().getX();
}
card.addCounters(CounterType.TIME.createInstance(suspend), game);
game.informPlayers(new StringBuilder(controller.getName()).append(" suspends (").append(suspend).append(") ").append(card.getName()).toString());
return true;
}
}
return false;
}
}
class SuspendPlayCardAbility extends TriggeredAbilityImpl {
public SuspendPlayCardAbility(boolean isCreature) {
super(Zone.EXILED, new SuspendPlayCardEffect(isCreature));
if (isCreature) {
this.addEffect(new GainHasteEffect());
}
setRuleVisible(false);
}
public SuspendPlayCardAbility(SuspendPlayCardAbility ability) {
super(ability);
}
@Override
public boolean checkTrigger(GameEvent event, Game game) {
if (event.getType() == GameEvent.EventType.COUNTER_REMOVED && event.getTargetId().equals(getSourceId())) {
Card card = game.getCard(getSourceId());
if (card != null && game.getState().getZone(card.getId()) == Zone.EXILED
&& card.getCounters().getCount(CounterType.TIME) == 0) {
return true;
}
}
return false;
}
@Override
public String getRule() {
return "When the last time counter is removed from this card, if it's removed from the game, " + super.getRule();
}
@Override
public SuspendPlayCardAbility copy() {
return new SuspendPlayCardAbility(this);
}
}
class SuspendPlayCardEffect extends OneShotEffect {
public SuspendPlayCardEffect(boolean isCreature) {
super(Outcome.PutCardInPlay);
this.staticText = "play it without paying its mana cost if able. If you can't, it remains removed from the game";
}
public SuspendPlayCardEffect(final SuspendPlayCardEffect effect) {
super(effect);
}
@Override
public SuspendPlayCardEffect copy() {
return new SuspendPlayCardEffect(this);
}
@Override
public boolean apply(Game game, Ability source) {
Player player = game.getPlayer(source.getControllerId());
Card card = game.getCard(source.getSourceId());
if (player != null && card != null) {
// remove temporary suspend ability (used e.g. for Epochrasite)
List<Ability> abilitiesToRemove = new ArrayList<>();
for (Ability ability : card.getAbilities()) {
if (ability instanceof SuspendAbility) {
if (((SuspendAbility)ability).isGainedTemporary()) {
abilitiesToRemove.add(ability);
}
}
}
if (!abilitiesToRemove.isEmpty()) {
for (Ability ability : card.getAbilities()) {
if (ability instanceof SuspendBeginningOfUpkeepTriggeredAbility || ability instanceof SuspendPlayCardAbility ) {
abilitiesToRemove.add(ability);
}
}
// remove the triggered abilities from the game
game.getState().resetTriggersForSourceId(card.getId());
// remove the continious effects from the game
game.getState().getContinuousEffects().removeGainedEffectsForSource(card.getId());
// remove the abilities from the card
card.getAbilities().removeAll(abilitiesToRemove);
}
// cast the card for free
return player.cast(card.getSpellAbility(), game, true);
}
return false;
}
}
class GainHasteEffect extends ContinuousEffectImpl {
private UUID suspendController;
public GainHasteEffect() {
super(Duration.Custom, Layer.AbilityAddingRemovingEffects_6, SubLayer.NA, Outcome.AddAbility);
staticText = "If you play it this way and it's a creature, it gains haste until you lose control of it";
}
public GainHasteEffect(final GainHasteEffect effect) {
super(effect);
this.suspendController = effect.suspendController;
}
@Override
public GainHasteEffect copy() {
return new GainHasteEffect(this);
}
@Override
public boolean apply(Game game, Ability source) {
if (suspendController == null) {
suspendController = source.getControllerId();
}
Permanent permanent = game.getPermanent(source.getSourceId());
if (permanent != null) {
if (suspendController.equals(source.getControllerId())) {
permanent.addAbility(HasteAbility.getInstance(), source.getSourceId(), game);
return true;
} else {
this.discard();
}
}
return false;
}
}
class SuspendBeginningOfUpkeepTriggeredAbility extends ConditionalTriggeredAbility {
public SuspendBeginningOfUpkeepTriggeredAbility() {
super(new BeginningOfUpkeepTriggeredAbility(Zone.EXILED, new RemoveCounterSourceEffect(CounterType.TIME.createInstance()), TargetController.YOU, false),
SuspendedCondition.getInstance(),
"At the beginning of your upkeep, if this card is suspended, remove a time counter from it.");
this.setRuleVisible(false);
}
public SuspendBeginningOfUpkeepTriggeredAbility(final SuspendBeginningOfUpkeepTriggeredAbility effect) {
super(effect);
}
@Override
public SuspendBeginningOfUpkeepTriggeredAbility copy() {
return new SuspendBeginningOfUpkeepTriggeredAbility(this);
}
}