Implement Premature Burial

Mage.Sets/src/mage/cards/p/PrematureBurial.java

@@ -0,0 +1,143 @@
+package mage.cards.p;
+
+import mage.MageObject;
+import mage.MageObjectReference;
+import mage.ObjectColor;
+import mage.abilities.Ability;
+import mage.abilities.effects.common.DestroyTargetEffect;
+import mage.cards.CardImpl;
+import mage.cards.CardSetInfo;
+import mage.constants.CardType;
+import mage.constants.WatcherScope;
+import mage.filter.common.FilterCreaturePermanent;
+import mage.filter.predicate.Predicates;
+import mage.filter.predicate.mageobject.ColorPredicate;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.permanent.Permanent;
+import mage.target.common.TargetCreaturePermanent;
+import mage.watchers.Watcher;
+
+import java.util.*;
+
+/**
+ *
+ * @author noahg
+ */
+public final class PrematureBurial extends CardImpl {
+
+    private static final FilterCreaturePermanent filter = new FilterCreaturePermanent("nonblack creature that entered the battlefield since your last turn ended");
+
+    static {
+        filter.add(Predicates.not(new ColorPredicate(ObjectColor.BLACK)));
+    }
+
+    public PrematureBurial(UUID ownerId, CardSetInfo setInfo) {
+        super(ownerId, setInfo, new CardType[]{CardType.SORCERY}, "{1}{B}");
+        
+
+        // Destroy target nonblack creature that entered the battlefield since your last turn ended.
+        this.getSpellAbility().addEffect(new DestroyTargetEffect().setText("Destroy target nonblack creature that entered the battlefield since your last turn ended."));
+        this.getSpellAbility().addTarget(new ETBSinceYourLastTurnTarget(filter));
+        this.getSpellAbility().addWatcher(new ETBSinceYourLastTurnWatcher());
+    }
+
+    public PrematureBurial(final PrematureBurial card) {
+        super(card);
+    }
+
+    @Override
+    public PrematureBurial copy() {
+        return new PrematureBurial(this);
+    }
+}
+
+class ETBSinceYourLastTurnTarget extends TargetCreaturePermanent {
+
+    public ETBSinceYourLastTurnTarget(FilterCreaturePermanent filter) {
+        super(filter);
+        this.targetName = "nonblack creature that entered the battlefield since your last turn ended";
+    }
+
+    public ETBSinceYourLastTurnTarget(ETBSinceYourLastTurnTarget target){
+        super(target);
+    }
+
+    @Override
+    public boolean canTarget(UUID controllerId, UUID id, Ability source, Game game) {
+        System.out.println("canTarget called");
+        ETBSinceYourLastTurnWatcher watcher = (ETBSinceYourLastTurnWatcher) game.getState().getWatchers().get(ETBSinceYourLastTurnWatcher.class.getSimpleName());
+        if (watcher != null){
+            if (watcher.enteredSinceLastTurn(controllerId, new MageObjectReference(id, game))){
+                System.out.println(game.getPermanent(id).getIdName()+" entered since the last turn.");
+                return super.canTarget(controllerId, id, source, game);
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public boolean canChoose(UUID sourceId, UUID sourceControllerId, Game game) {
+        MageObject targetSource = game.getObject(sourceId);
+        ETBSinceYourLastTurnWatcher watcher = (ETBSinceYourLastTurnWatcher) game.getState().getWatchers().get(ETBSinceYourLastTurnWatcher.class.getSimpleName());
+        for (Permanent permanent: game.getBattlefield().getActivePermanents(filter, sourceControllerId, sourceId, game)) {
+            if (permanent.canBeTargetedBy(targetSource, sourceControllerId, game)) {
+                if(watcher.enteredSinceLastTurn(sourceControllerId, new MageObjectReference(permanent.getId(), game))) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public ETBSinceYourLastTurnTarget copy() {
+        return new ETBSinceYourLastTurnTarget(this);
+    }
+}
+
+class ETBSinceYourLastTurnWatcher extends Watcher {
+
+    private final Map<UUID, Set<MageObjectReference>> playerToETBMap;
+
+    public ETBSinceYourLastTurnWatcher() {
+        super(ETBSinceYourLastTurnWatcher.class.getSimpleName(), WatcherScope.GAME);
+        this.playerToETBMap = new HashMap<>();
+    }
+
+    public ETBSinceYourLastTurnWatcher(ETBSinceYourLastTurnWatcher watcher) {
+        super(watcher);
+        this.playerToETBMap = new HashMap<>();
+        for (UUID player : watcher.playerToETBMap.keySet()){
+            this.playerToETBMap.put(player, new HashSet<>(watcher.playerToETBMap.get(player)));
+        }
+    }
+
+    @Override
+    public void watch(GameEvent event, Game game) {
+        if (event.getType() == GameEvent.EventType.END_TURN_STEP_POST){
+            System.out.println("End of turn for "+game.getPlayer(event.getPlayerId()).getName());
+            playerToETBMap.put(event.getPlayerId(), new HashSet<>());
+        } else if (event.getType() == GameEvent.EventType.ENTERS_THE_BATTLEFIELD){
+            Permanent etbPermanent = game.getPermanent(event.getTargetId());
+            if (etbPermanent != null){
+                System.out.println("nonnull permanent entered: "+etbPermanent.getIdName());
+                for (UUID player : game.getPlayerList()){
+                    if (!playerToETBMap.containsKey(player)){
+                        playerToETBMap.put(player, new HashSet<>());
+                    }
+                    playerToETBMap.get(player).add(new MageObjectReference(etbPermanent.getBasicMageObject(game), game));
+                }
+            }
+        }
+    }
+
+    public boolean enteredSinceLastTurn(UUID player, MageObjectReference mor){
+        return playerToETBMap.get(player).contains(mor);
+    }
+
+    @Override
+    public ETBSinceYourLastTurnWatcher copy() {
+        return new ETBSinceYourLastTurnWatcher(this);
+    }
+}

Mage.Sets/src/mage/sets/TimeSpiral.java

@@ -212,6 +212,7 @@ public final class TimeSpiral extends ExpansionSet {
         cards.add(new SetCardInfo("Plains", 284, Rarity.LAND, mage.cards.basiclands.Plains.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Plains", 285, Rarity.LAND, mage.cards.basiclands.Plains.class, NON_FULL_USE_VARIOUS));
         cards.add(new SetCardInfo("Plunder", 174, Rarity.COMMON, mage.cards.p.Plunder.class));
+        cards.add(new SetCardInfo("Premature Burial", 125, Rarity.UNCOMMON, mage.cards.p.PrematureBurial.class));
         cards.add(new SetCardInfo("Primal Forcemage", 212, Rarity.UNCOMMON, mage.cards.p.PrimalForcemage.class));
         cards.add(new SetCardInfo("Prismatic Lens", 262, Rarity.COMMON, mage.cards.p.PrismaticLens.class));
         cards.add(new SetCardInfo("Psionic Sliver", 72, Rarity.RARE, mage.cards.p.PsionicSliver.class));