[WHO] Implement Danny Pink (#13473)

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

@@ -0,0 +1,58 @@
+package mage.watchers.common;
+
+import mage.MageObjectReference;
+import mage.constants.WatcherScope;
+import mage.counters.CounterType;
+import mage.game.Game;
+import mage.game.events.GameEvent;
+import mage.game.permanent.Permanent;
+import mage.watchers.Watcher;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.UUID;
+
+/**
+ * @author padfoot
+ */
+// copied almost entirely from BoostCountersAddedFirstTimeWatcher
+public class CountersAddedFirstTimeWatcher extends Watcher {
+
+    private final Map<MageObjectReference, UUID> map = new HashMap<>();
+
+    public CountersAddedFirstTimeWatcher() {
+        super(WatcherScope.GAME);
+    }
+
+    @Override
+    public void watch(GameEvent event, Game game) {
+        if (event.getType() != GameEvent.EventType.COUNTERS_ADDED) {
+            return;
+        }
+        Permanent permanent = game.getPermanent(event.getTargetId());
+        int offset = 0;
+        if (permanent == null) {
+            permanent = game.getPermanentEntering(event.getTargetId());
+            offset++;
+        }
+        if (permanent != null) {
+            map.putIfAbsent(new MageObjectReference(permanent, game, offset), event.getId());
+        }
+    }
+
+    @Override
+    public void reset() {
+        super.reset();
+        map.clear();
+    }
+
+    public static boolean checkEvent(GameEvent event, Permanent permanent, Game game, int offset) {
+        return event
+                .getId()
+                .equals(game
+                        .getState()
+                        .getWatcher(CountersAddedFirstTimeWatcher.class)
+                        .map
+                        .getOrDefault(new MageObjectReference(permanent, game, offset), null));
+    }
+}