forked from External/mage
215 lines
8.9 KiB
Java
215 lines
8.9 KiB
Java
package mage.abilities.keyword;
|
|
|
|
import java.util.UUID;
|
|
import mage.MageObjectReference;
|
|
import mage.abilities.Ability;
|
|
import mage.abilities.SpellAbility;
|
|
import mage.abilities.StaticAbility;
|
|
import mage.abilities.effects.AsThoughEffectImpl;
|
|
import mage.abilities.effects.common.cost.CostModificationEffectImpl;
|
|
import mage.cards.Card;
|
|
import mage.constants.*;
|
|
import mage.filter.common.FilterControlledCreaturePermanent;
|
|
import mage.game.Game;
|
|
import mage.game.permanent.Permanent;
|
|
import mage.players.Player;
|
|
import mage.target.Target;
|
|
import mage.target.common.TargetControlledCreaturePermanent;
|
|
import mage.util.CardUtil;
|
|
|
|
/**
|
|
* 702.46. Offering # 702.46a Offering is a static ability of a card that
|
|
* functions in any zone from which the card can be cast. "[Subtype] offering"
|
|
* means "You may cast this card any time you could cast an instant by
|
|
* sacrificing a [subtype] permanent. If you do, the total cost to cast this
|
|
* card is reduced by the sacrificed permanent's mana cost." #
|
|
* <p>
|
|
* 702.46b The permanent is sacrificed at the same time the spell is announced
|
|
* (see rule 601.2a). The total cost of the spell is reduced by the sacrificed
|
|
* permanent's mana cost (see rule 601.2e). #
|
|
* <p>
|
|
* 702.46c Generic mana in the sacrificed permanent's mana cost reduces generic
|
|
* mana in the total cost to cast the card with offering. Colored mana in the
|
|
* sacrificed permanent's mana cost reduces mana of the same color in the total
|
|
* cost to cast the card with offering. Colored mana in the sacrificed
|
|
* permanent's mana cost that doesn't match colored mana in the colored mana
|
|
* cost of the card with offering, or is in excess of the card's colored mana
|
|
* cost, reduces that much generic mana in the total cost. #
|
|
*
|
|
* @author LevelX2
|
|
*/
|
|
public class OfferingAbility extends StaticAbility {
|
|
|
|
private FilterControlledCreaturePermanent filter = new FilterControlledCreaturePermanent();
|
|
|
|
/**
|
|
* @param subtype name of the subtype that can be offered
|
|
*/
|
|
public OfferingAbility(SubType subtype) {
|
|
super(Zone.ALL, null);
|
|
filter.add(subtype.getPredicate());
|
|
filter.setMessage(subtype.getDescription());
|
|
this.addEffect(new OfferingAsThoughEffect());
|
|
}
|
|
|
|
public OfferingAbility(OfferingAbility ability) {
|
|
super(ability);
|
|
this.filter = ability.filter;
|
|
}
|
|
|
|
@Override
|
|
public OfferingAbility copy() {
|
|
return new OfferingAbility(this);
|
|
}
|
|
|
|
public FilterControlledCreaturePermanent getFilter() {
|
|
return filter;
|
|
}
|
|
|
|
@Override
|
|
public String getRule(boolean all) {
|
|
String subtype = filter.getMessage();
|
|
return subtype + " offering <i>(You may cast this card any time you could cast an instant by sacrificing a " + subtype + " and paying the difference in mana costs between this and the sacrificed " + subtype + ". Mana cost includes color.)</i>";
|
|
}
|
|
}
|
|
|
|
class OfferingAsThoughEffect extends AsThoughEffectImpl {
|
|
|
|
public OfferingAsThoughEffect() {
|
|
super(AsThoughEffectType.CAST_AS_INSTANT, Duration.EndOfGame, Outcome.Benefit);
|
|
}
|
|
|
|
public OfferingAsThoughEffect(final OfferingAsThoughEffect effect) {
|
|
super(effect);
|
|
}
|
|
|
|
@Override
|
|
public boolean apply(Game game, Ability source) {
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
public OfferingAsThoughEffect copy() {
|
|
return new OfferingAsThoughEffect(this);
|
|
}
|
|
|
|
@Override
|
|
public boolean applies(UUID sourceId, Ability source, UUID affectedControllerId, Game game) {
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public boolean applies(UUID sourceId, Ability affectedAbility, Ability source, Game game, UUID playerId) {
|
|
if (sourceId.equals(source.getSourceId())) {
|
|
Card card = game.getCard(sourceId);
|
|
if (card == null || !card.isOwnedBy(source.getControllerId())) {
|
|
return false;
|
|
}
|
|
// because can activate is always called twice, result from first call will be used
|
|
Object object = game.getState().getValue("offering_" + card.getId());
|
|
if (object != null && object.equals(true)) {
|
|
Object alreadyConfirmed = game.getState().getValue("offering_ok_" + card.getId());
|
|
game.getState().setValue("offering_" + card.getId(), null);
|
|
game.getState().setValue("offering_ok_" + card.getId(), null);
|
|
return alreadyConfirmed != null;
|
|
} else {
|
|
// first call -> remove previous Ids
|
|
game.getState().setValue("offering_Id_" + card.getId(), null);
|
|
}
|
|
|
|
if (game.getBattlefield().count(((OfferingAbility) source).getFilter(), source.getSourceId(), source.getControllerId(), game) > 0) {
|
|
|
|
if (game.inCheckPlayableState()) {
|
|
return true;
|
|
}
|
|
FilterControlledCreaturePermanent filter = ((OfferingAbility) source).getFilter();
|
|
Card spellToCast = game.getCard(source.getSourceId());
|
|
if (spellToCast == null) {
|
|
return false;
|
|
}
|
|
Player player = game.getPlayer(source.getControllerId());
|
|
if (player != null && !game.inCheckPlayableState()
|
|
&& player.chooseUse(Outcome.Benefit, "Offer a " + filter.getMessage() + " to cast " + spellToCast.getName() + '?', source, game)) {
|
|
Target target = new TargetControlledCreaturePermanent(1, 1, filter, true);
|
|
player.chooseTarget(Outcome.Sacrifice, target, source, game);
|
|
if (!target.isChosen()) {
|
|
return false;
|
|
}
|
|
game.getState().setValue("offering_" + card.getId(), true);
|
|
Permanent offer = game.getPermanent(target.getFirstTarget());
|
|
if (offer != null) {
|
|
UUID activationId = UUID.randomUUID();
|
|
OfferingCostReductionEffect effect = new OfferingCostReductionEffect(spellToCast.getSpellAbility().getId(), new MageObjectReference(offer, game), activationId);
|
|
game.addEffect(effect, source);
|
|
game.getState().setValue("offering_ok_" + card.getId(), true);
|
|
game.getState().setValue("offering_Id_" + card.getId(), activationId);
|
|
return true;
|
|
}
|
|
} else {
|
|
game.getState().setValue("offering_" + card.getId(), true);
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
class OfferingCostReductionEffect extends CostModificationEffectImpl {
|
|
|
|
private final UUID spellAbilityId;
|
|
private final UUID activationId;
|
|
private final MageObjectReference offeredPermanent;
|
|
// private final ManaCosts<ManaCost> manaCostsToReduce;
|
|
|
|
OfferingCostReductionEffect(UUID spellAbilityId, MageObjectReference offeredPermanent, UUID activationId) {
|
|
super(Duration.OneUse, Outcome.Benefit, CostModificationType.REDUCE_COST);
|
|
this.spellAbilityId = spellAbilityId;
|
|
this.offeredPermanent = offeredPermanent;
|
|
this.activationId = activationId;
|
|
staticText = "mana costs reduction from offering";
|
|
}
|
|
|
|
OfferingCostReductionEffect(OfferingCostReductionEffect effect) {
|
|
super(effect);
|
|
this.spellAbilityId = effect.spellAbilityId;
|
|
this.offeredPermanent = effect.offeredPermanent;
|
|
this.activationId = effect.activationId;
|
|
}
|
|
|
|
@Override
|
|
public boolean apply(Game game, Ability source, Ability abilityToModify) {
|
|
Permanent toOffer = offeredPermanent.getPermanent(game);
|
|
if (toOffer != null) {
|
|
toOffer.sacrifice(source.getSourceId(), game);
|
|
CardUtil.reduceCost((SpellAbility) abilityToModify, toOffer.getSpellAbility().getManaCosts());
|
|
}
|
|
game.getState().setValue("offering_" + source.getSourceId(), null);
|
|
game.getState().setValue("offering_ok_" + source.getSourceId(), null);
|
|
this.discard();
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
public boolean applies(Ability abilityToModify, Ability source, Game game) {
|
|
if (game.inCheckPlayableState()) { // Cost modifaction does not work correctly for checking available spells
|
|
return false;
|
|
}
|
|
if (abilityToModify.getId().equals(spellAbilityId) && abilityToModify instanceof SpellAbility) {
|
|
Card card = game.getCard(source.getSourceId());
|
|
if (card != null) {
|
|
Object object = game.getState().getValue("offering_Id_" + card.getId());
|
|
if (object != null && object.equals(this.activationId) && offeredPermanent.getPermanent(game) != null) {
|
|
return true;
|
|
}
|
|
}
|
|
// no or other id, this effect is no longer valid
|
|
this.discard();
|
|
}
|
|
return false;
|
|
}
|
|
|
|
@Override
|
|
public OfferingCostReductionEffect copy() {
|
|
return new OfferingCostReductionEffect(this);
|
|
}
|
|
}
|