forked from External/mage
88 lines
3 KiB
Java
88 lines
3 KiB
Java
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package mage.abilities.common;
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import mage.abilities.TriggeredAbilityImpl;
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import mage.abilities.effects.Effect;
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import mage.constants.Zone;
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import mage.filter.FilterPermanent;
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import mage.filter.StaticFilters;
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import mage.game.Game;
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import mage.game.combat.CombatGroup;
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import mage.game.events.GameEvent;
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import mage.game.permanent.Permanent;
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import java.util.UUID;
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/**
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* @author North, Loki
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*/
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public class BlocksOrBecomesBlockedByOneOrMoreTriggeredAbility extends TriggeredAbilityImpl {
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protected FilterPermanent filter;
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protected String rule;
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public BlocksOrBecomesBlockedByOneOrMoreTriggeredAbility(Effect effect, boolean optional) {
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this(effect, StaticFilters.FILTER_PERMANENT_CREATURE, optional, null);
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}
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public BlocksOrBecomesBlockedByOneOrMoreTriggeredAbility(Effect effect, FilterPermanent filter, boolean optional) {
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this(effect, filter, optional, null);
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}
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public BlocksOrBecomesBlockedByOneOrMoreTriggeredAbility(Effect effect, FilterPermanent filter, boolean optional, String rule) {
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super(Zone.BATTLEFIELD, effect, optional);
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this.filter = filter;
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this.replaceRuleText = false;
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this.rule = rule;
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setTriggerPhrase("Whenever {this} blocks or becomes blocked by one or more " + (filter != null ? filter.getMessage() : "creatures") + ", ");
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}
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public BlocksOrBecomesBlockedByOneOrMoreTriggeredAbility(final BlocksOrBecomesBlockedByOneOrMoreTriggeredAbility ability) {
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super(ability);
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this.filter = ability.filter;
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this.rule = ability.rule;
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}
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@Override
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public boolean checkEventType(GameEvent event, Game game) {
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return event.getType() == GameEvent.EventType.DECLARED_BLOCKERS;
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}
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@Override
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public boolean checkTrigger(GameEvent event, Game game) {
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for (CombatGroup group : game.getCombat().getGroups()) {
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if (group.getAttackers().contains(sourceId)) {
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if (filter == null) {
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return group.getBlocked();
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}
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for (UUID uuid : group.getBlockers()) {
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Permanent permanent = game.getPermanentOrLKIBattlefield(uuid);
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if (filter.match(permanent, game)) {
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return true;
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}
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}
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} else if (group.getBlockers().contains(sourceId)) {
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if (filter == null) {
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return true;
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}
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for (UUID uuid : group.getAttackers()) {
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Permanent permanent = game.getPermanentOrLKIBattlefield(uuid);
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if (filter.match(permanent, game)) {
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return true;
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}
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}
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}
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}
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return false;
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}
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@Override
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public String getRule() {
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return rule != null ? rule : super.getRule();
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}
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@Override
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public BlocksOrBecomesBlockedByOneOrMoreTriggeredAbility copy() {
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return new BlocksOrBecomesBlockedByOneOrMoreTriggeredAbility(this);
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}
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}
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