Merge pull request #5063 from NoahGleason/jovens-ferrets

Implement Joven's Ferrets

Mage/src/main/java/mage/watchers/common/WasBlockedThisTurnWatcher.java

@@ -0,0 +1,53 @@
+
+package mage.watchers.common;
+
+import mage.MageObjectReference;
+import mage.constants.WatcherScope;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.watchers.Watcher;
+
+import java.util.HashSet;
+import java.util.Set;
+
+/**
+ *
+ * @author noahg
+ */
+public class WasBlockedThisTurnWatcher extends Watcher {
+
+    private final Set<MageObjectReference> wasBlockedThisTurnCreatures;
+
+    public WasBlockedThisTurnWatcher() {
+        super(WasBlockedThisTurnWatcher.class.getSimpleName(), WatcherScope.GAME);
+        wasBlockedThisTurnCreatures = new HashSet<>();
+    }
+
+    public WasBlockedThisTurnWatcher(final WasBlockedThisTurnWatcher watcher) {
+        super(watcher);
+        wasBlockedThisTurnCreatures = new HashSet<>(watcher.wasBlockedThisTurnCreatures);
+    }
+
+    @Override
+    public Watcher copy() {
+        return new WasBlockedThisTurnWatcher(this);
+    }
+
+    @Override
+    public void watch(GameEvent event, Game game) {
+        if (event.getType() == GameEvent.EventType.BLOCKER_DECLARED) {
+            this.wasBlockedThisTurnCreatures.add(new MageObjectReference(event.getTargetId(), game));
+        }
+    }
+
+    public Set<MageObjectReference> getWasBlockedThisTurnCreatures() {
+        return this.wasBlockedThisTurnCreatures;
+    }
+
+    @Override
+    public void reset() {
+        super.reset();
+        wasBlockedThisTurnCreatures.clear();
+    }
+
+}