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package mage.abilities.keyword;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import mage.abilities.Ability;
import mage.abilities.DelayedTriggeredAbility;
import mage.abilities.SpellAbility;
import mage.abilities.StaticAbility;
import mage.abilities.common.EntersBattlefieldAbility;
import mage.abilities.common.delayed.AtTheBeginOfNextEndStepDelayedTriggeredAbility;
import mage.abilities.condition.common.DashedCondition;
import mage.abilities.costs.AlternativeCost2;
import mage.abilities.costs.AlternativeCost2Impl;
import mage.abilities.costs.AlternativeSourceCosts;
import mage.abilities.costs.Cost;
import mage.abilities.costs.Costs;
import mage.abilities.costs.CostsImpl;
import mage.abilities.costs.mana.ManaCostsImpl;
import mage.abilities.effects.Effect;
import mage.abilities.effects.OneShotEffect;
import mage.abilities.effects.common.ReturnToHandTargetEffect;
import mage.abilities.effects.common.continuous.GainAbilitySourceEffect;
import mage.cards.Card;
import mage.constants.Duration;
import mage.constants.Outcome;
import mage.constants.Zone;
import mage.game.Game;
import mage.players.Player;
import mage.target.targetpointer.FixedTarget;
/**
*
* @author LevelX2
*/
public class DashAbility extends StaticAbility implements AlternativeSourceCosts {
protected static final String KEYWORD = "Dash";
protected static final String REMINDER_TEXT = "(You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)";
protected List<AlternativeCost2> alternativeSourceCosts = new LinkedList<>();
// needed to check activation status, if card changes zone after casting it
private int zoneChangeCounter = 0;
public DashAbility(Card card, String manaString) {
super(Zone.ALL, null);
name = KEYWORD;
this.addDashCost(manaString);
Ability ability = new EntersBattlefieldAbility(
new GainAbilitySourceEffect(HasteAbility.getInstance(), Duration.Custom, false),
DashedCondition.instance, "", "");
ability.addEffect(new DashAddDelayedTriggeredAbilityEffect());
addSubAbility(ability);
}
public DashAbility(final DashAbility ability) {
super(ability);
this.alternativeSourceCosts.addAll(ability.alternativeSourceCosts);
this.zoneChangeCounter = ability.zoneChangeCounter;
}
@Override
public DashAbility copy() {
return new DashAbility(this);
}
public final AlternativeCost2 addDashCost(String manaString) {
AlternativeCost2 evokeCost = new AlternativeCost2Impl(KEYWORD, REMINDER_TEXT, new ManaCostsImpl(manaString));
alternativeSourceCosts.add(evokeCost);
return evokeCost;
}
public void resetDash() {
for (AlternativeCost2 cost : alternativeSourceCosts) {
cost.reset();
}
zoneChangeCounter = 0;
}
@Override
public boolean isActivated(Ability ability, Game game) {
Card card = game.getCard(sourceId);
if (card != null && card.getZoneChangeCounter(game) <= zoneChangeCounter + 1) {
for (AlternativeCost2 cost : alternativeSourceCosts) {
if (cost.isActivated(game)) {
return true;
}
}
}
return false;
}
@Override
public boolean isAvailable(Ability source, Game game) {
return true;
}
@Override
public boolean askToActivateAlternativeCosts(Ability ability, Game game) {
if (ability instanceof SpellAbility) {
Player player = game.getPlayer(controllerId);
if (player != null) {
this.resetDash();
for (AlternativeCost2 dashCost : alternativeSourceCosts) {
if (dashCost.canPay(ability, sourceId, controllerId, game)
&& player.chooseUse(Outcome.Benefit, KEYWORD + " the creature for " + dashCost.getText(true) + " ?", ability, game)) {
activateDash(dashCost, game);
ability.getManaCostsToPay().clear();
ability.getCosts().clear();
for (Iterator it = ((Costs) dashCost).iterator(); it.hasNext();) {
Cost cost = (Cost) it.next();
if (cost instanceof ManaCostsImpl) {
ability.getManaCostsToPay().add((ManaCostsImpl) cost.copy());
} else {
ability.getCosts().add(cost.copy());
}
}
}
}
}
}
return isActivated(ability, game);
}
private void activateDash(AlternativeCost2 cost, Game game) {
cost.activate();
// remember zone change counter
if (zoneChangeCounter == 0) {
Card card = game.getCard(getSourceId());
if (card != null) {
zoneChangeCounter = card.getZoneChangeCounter(game);
} else {
throw new IllegalArgumentException("Dash source card not found");
}
}
}
@Override
public String getRule() {
StringBuilder sb = new StringBuilder();
int numberCosts = 0;
String remarkText = "";
for (AlternativeCost2 dashCost : alternativeSourceCosts) {
if (numberCosts == 0) {
sb.append(dashCost.getText(false));
remarkText = dashCost.getReminderText();
} else {
sb.append(" and/or ").append(dashCost.getText(true));
}
++numberCosts;
}
if (numberCosts == 1) {
sb.append(' ').append(remarkText);
}
return sb.toString();
}
@Override
public String getCastMessageSuffix(Game game) {
StringBuilder sb = new StringBuilder();
int position = 0;
for (AlternativeCost2 cost : alternativeSourceCosts) {
if (cost.isActivated(game)) {
sb.append(cost.getCastSuffixMessage(position));
++position;
}
}
return sb.toString();
}
@Override
public Costs<Cost> getCosts() {
Costs<Cost> alterCosts = new CostsImpl<>();
for (AlternativeCost2 aCost : alternativeSourceCosts) {
alterCosts.add(aCost.getCost());
}
return alterCosts;
}
}
class DashAddDelayedTriggeredAbilityEffect extends OneShotEffect {
public DashAddDelayedTriggeredAbilityEffect() {
super(Outcome.Benefit);
this.staticText = "return the dashed creature from the battlefield to its owner's hand";
}
public DashAddDelayedTriggeredAbilityEffect(final DashAddDelayedTriggeredAbilityEffect effect) {
super(effect);
}
@Override
public DashAddDelayedTriggeredAbilityEffect copy() {
return new DashAddDelayedTriggeredAbilityEffect(this);
}
@Override
public boolean apply(Game game, Ability source) {
if (game.getPermanentEntering(source.getSourceId()) != null) {
Effect effect = new ReturnToHandTargetEffect();
effect.setText("return the dashed creature from the battlefield to its owner's hand");
// init target pointer now because the dashed creature will only be returned from battlefield zone (now in entering state so zone change counter is not raised yet)
effect.setTargetPointer(new FixedTarget(source.getSourceId(), game.getState().getZoneChangeCounter(source.getSourceId()) + 1));
DelayedTriggeredAbility delayedAbility = new AtTheBeginOfNextEndStepDelayedTriggeredAbility(effect);
game.addDelayedTriggeredAbility(delayedAbility, source);
return true;
}
return false;
}
}