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rework PhantomReplacementEffect used by 7 Phantom cards (#12189)

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Susucre 2024-04-27 17:34:59 +02:00 • committed by GitHub
parent 6193c9aee6
commit d645facdc0
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GPG key ID: B5690EEEBB952194
15 changed files with 366 additions and 62 deletions
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83
Mage/src/main/java/mage/abilities/effects/PhantomPreventionEffect.java
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@ -1,22 +1,28 @@
package mage.abilities.effects;
import mage.MageObjectReference;
import mage.abilities.Ability;
import mage.constants.Duration;
import mage.constants.PhaseStep;
import mage.constants.WatcherScope;
import mage.counters.CounterType;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.permanent.Permanent;
import mage.game.turn.Step;
import mage.watchers.Watcher;
import java.util.HashSet;
import java.util.Set;
/**
* Created by IGOUDT on 22-3-2017.
* This requires to add the PhantomPreventionWatcher
*
* @author Susucr
*/
public class PhantomPreventionEffect extends PreventionEffectImpl {
// remember turn and phase step to check if counter in this step was already removed
private int turn = 0;
private Step combatPhaseStep = null;
public static PhantomPreventionWatcher createWatcher() {
return new PhantomPreventionWatcher();
}
public PhantomPreventionEffect() {
super(Duration.WhileOnBattlefield);
@ -25,8 +31,6 @@ public class PhantomPreventionEffect extends PreventionEffectImpl {
protected PhantomPreventionEffect(final PhantomPreventionEffect effect) {
super(effect);
this.turn = effect.turn;
this.combatPhaseStep = effect.combatPhaseStep;
}
@Override
@ -37,27 +41,19 @@ public class PhantomPreventionEffect extends PreventionEffectImpl {
@Override
public boolean replaceEvent(GameEvent event, Ability source, Game game) {
preventDamageAction(event, source, game);
Permanent permanent = game.getPermanent(source.getSourceId());
if (permanent != null) {
boolean removeCounter = true;
// check if in the same combat damage step already a counter was removed
if (game.getTurn().getPhase().getStep().getType() == PhaseStep.COMBAT_DAMAGE) {
if (game.getTurnNum() == turn
&& game.getTurn().getStep().equals(combatPhaseStep)) {
removeCounter = false;
} else {
turn = game.getTurnNum();
combatPhaseStep = game.getTurn().getStep();
PhantomPreventionWatcher watcher = game.getState().getWatcher(PhantomPreventionWatcher.class);
if (permanent != null && watcher != null) {
MageObjectReference mor = new MageObjectReference(source.getId(), source.getSourceObjectZoneChangeCounter(), game);
if (!watcher.hadMORCounterRemovedThisBatch(mor)) {
watcher.addMOR(mor);
if (permanent.getCounters(game).containsKey(CounterType.P1P1)) {
StringBuilder sb = new StringBuilder(permanent.getName()).append(": ");
permanent.removeCounters(CounterType.P1P1.createInstance(), source, game);
sb.append("Removed a +1/+1 counter ");
game.informPlayers(sb.toString());
}
}
if (removeCounter && permanent.getCounters(game).containsKey(CounterType.P1P1)) {
StringBuilder sb = new StringBuilder(permanent.getName()).append(": ");
permanent.removeCounters(CounterType.P1P1.createInstance(), source, game);
sb.append("Removed a +1/+1 counter ");
game.informPlayers(sb.toString());
}
}
return false;
@ -72,5 +68,38 @@ public class PhantomPreventionEffect extends PreventionEffectImpl {
}
return false;
}
}
class PhantomPreventionWatcher extends Watcher {
// We keep a very short-lived set of which PhantomPreventionEffect caused
// +1/+1 to get removed during the current damage batch.
private final Set<MageObjectReference> morRemovedCounterThisDamageBatch = new HashSet<>();
PhantomPreventionWatcher() {
super(WatcherScope.GAME);
}
@Override
public void watch(GameEvent event, Game game) {
// This watcher resets every time a Damage Batch could have fired (even if all damage was prevented)
if (event.getType() != GameEvent.EventType.DAMAGED_BATCH_COULD_HAVE_FIRED) {
return;
}
morRemovedCounterThisDamageBatch.clear();
}
@Override
public void reset() {
super.reset();
morRemovedCounterThisDamageBatch.clear();
}
boolean hadMORCounterRemovedThisBatch(MageObjectReference mor) {
return morRemovedCounterThisDamageBatch.contains(mor);
}
void addMOR(MageObjectReference mor) {
morRemovedCounterThisDamageBatch.add(mor);
}
}