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package mage.abilities.effects.common;
import mage.abilities.Ability;
import mage.abilities.Mode;
import mage.abilities.effects.ReplacementEffectImpl;
import mage.constants.Duration;
import mage.constants.Outcome;
import mage.counters.CounterType;
import mage.filter.common.FilterControlledCreaturePermanent;
import mage.filter.predicate.permanent.AnotherPredicate;
import mage.game.Game;
import mage.game.events.EntersTheBattlefieldEvent;
import mage.game.events.GameEvent;
import mage.game.permanent.Permanent;
import mage.players.Player;
import mage.target.Target;
import mage.target.common.TargetControlledCreaturePermanent;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.UUID;
/**
* Effect for the DevourAbility
*
* 702.81. Devour 702.81a Devour is a static ability. "Devour N" means "As this
* object enters the battlefield, you may sacrifice any number of creatures.
* This permanent enters the battlefield with N +1/+1 counters on it for each
* creature sacrificed this way." 702.81b Some objects have abilities that refer
* to the number of creatures the permanent devoured. "It devoured" means
* "sacrificed as a result of its devour ability as it entered the battlefield."
*
*
* @author LevelX2
*/
public class DevourEffect extends ReplacementEffectImpl {
private static final FilterControlledCreaturePermanent filter = new FilterControlledCreaturePermanent("creatures to devour");
static {
filter.add(new AnotherPredicate());
}
private final DevourFactor devourFactor;
public DevourEffect(DevourFactor devourFactor) {
super(Duration.EndOfGame, Outcome.Detriment);
this.devourFactor = devourFactor;
}
public DevourEffect(final DevourEffect effect) {
super(effect);
this.devourFactor = effect.devourFactor;
}
@Override
public boolean checksEventType(GameEvent event, Game game) {
return event.getType() == GameEvent.EventType.ENTERS_THE_BATTLEFIELD;
}
@Override
public boolean applies(GameEvent event, Ability source, Game game) {
if (event.getTargetId().equals(source.getSourceId())) {
Permanent sourcePermanent = ((EntersTheBattlefieldEvent) event).getTarget();
game.getState().setValue(sourcePermanent.getId().toString() + "devoured", null);
return true;
}
return false;
}
@Override
public boolean apply(Game game, Ability source) {
return false;
}
@Override
public boolean replaceEvent(GameEvent event, Ability source, Game game) {
Permanent creature = ((EntersTheBattlefieldEvent) event).getTarget();
Player controller = game.getPlayer(source.getControllerId());
if (creature != null && controller != null) {
Target target = new TargetControlledCreaturePermanent(1, Integer.MAX_VALUE, filter, true);
target.setRequired(false);
if (!target.canChoose(source.getSourceId(), source.getControllerId(), game)) {
return false;
}
if (controller.chooseUse(Outcome.Detriment, "Devour creatures?", source, game)) {
controller.chooseTarget(Outcome.Detriment, target, source, game);
if (!target.getTargets().isEmpty()) {
List<ArrayList<String>> cardSubtypes = new ArrayList<>();
int devouredCreatures = target.getTargets().size();
if (!game.isSimulation()) {
game.informPlayers(creature.getLogName() + " devours " + devouredCreatures + " creatures");
}
for (UUID targetId : target.getTargets()) {
Permanent targetCreature = game.getPermanent(targetId);
if (targetCreature != null) {
cardSubtypes.add((ArrayList<String>) targetCreature.getSubtype(game));
}
if (targetCreature == null || !targetCreature.sacrifice(source.getSourceId(), game)) {
return false;
}
}
int amountCounters;
if (devourFactor == DevourFactor.DevourX) {
amountCounters = devouredCreatures * devouredCreatures;
} else {
amountCounters = devouredCreatures * devourFactor.getFactor();
}
creature.addCounters(CounterType.P1P1.createInstance(amountCounters), source, game);
game.getState().setValue(creature.getId().toString() + "devoured", cardSubtypes);
}
}
}
return false;
}
@Override
public String getText(Mode mode) {
StringBuilder sb = new StringBuilder(devourFactor.toString());
sb.append(" <i>(As this enters the battlefield, you may sacrifice any number of creatures. This creature enters the battlefield with ");
sb.append(devourFactor.getRuleText()).append(")</i>");
return sb.toString();
}
public List<ArrayList<String>> getSubtypes(Game game, UUID permanentId) {
Object object = game.getState().getValue(permanentId.toString() + "devoured");
if (object != null) {
return (List<ArrayList<String>>) object;
}
return Collections.emptyList();
}
public int getDevouredCreaturesAmount(Game game, UUID permanentId) {
Object object = game.getState().getValue(permanentId.toString() + "devoured");
if (object != null) {
return ((List<ArrayList<String>>) object).size();
}
return 0;
}
@Override
public DevourEffect copy() {
return new DevourEffect(this);
}
public enum DevourFactor {
Devour1("Devour 1", "that many +1/+1 counters on it", 1),
Devour2("Devour 2", "twice that many +1/+1 counters on it", 2),
Devour3("Devour 3", "three times that many +1/+1 counters on it", 3),
DevourX("Devour X, where X is the number of creatures devoured this way", "X +1/+1 counters on it for each of those creatures", Integer.MAX_VALUE);
private final String text;
private final String ruleText;
private final int factor;
DevourFactor(String text, String ruleText, int factor) {
this.text = text;
this.ruleText = ruleText;
this.factor = factor;
}
@Override
public String toString() {
return text;
}
public String getRuleText() {
return ruleText;
}
public int getFactor() {
return factor;
}
}
}