initial rewrite for copy method

Mage/src/main/java/mage/watchers/Watcher.java

@@ -2,6 +2,8 @@
 package mage.watchers;
 
 import java.io.Serializable;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
 import java.util.UUID;
 import mage.constants.WatcherScope;
 import mage.game.Game;
@@ -76,6 +78,15 @@ public abstract class Watcher implements Serializable {
 
     public abstract void watch(GameEvent event, Game game);
 
-    public abstract Watcher copy();
+    public <T extends Watcher> T copy(){
+        try {
+            Constructor<? extends Watcher> constructor = this.getClass().getDeclaredConstructor(getClass());
+            constructor.setAccessible(true);
+            return (T) constructor.newInstance(this);
+        } catch (InstantiationException | IllegalAccessException | NoSuchMethodException | InvocationTargetException e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
 
 }

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

@@ -34,10 +34,10 @@ public class BlockedAttackerWatcher extends Watcher {
         }
     }
 
-    @Override
+//    @Override
-    public BlockedAttackerWatcher copy() {
+//    public BlockedAttackerWatcher copy() {
-        return new BlockedAttackerWatcher(this);
+//        return new BlockedAttackerWatcher(this);
-    }
+//    }
 
     @Override
     public void watch(GameEvent event, Game game) {

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

@@ -36,9 +36,4 @@ public class BloodthirstWatcher extends Watcher {
             }
         }
     }
-
-    @Override
-    public BloodthirstWatcher copy() {
-        return new BloodthirstWatcher(this);
-    }
 }

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

@@ -81,10 +81,10 @@ public class CastSpellLastTurnWatcher extends Watcher {
         }
         return 0;
     }
-
+//
-    @Override
+//    @Override
-    public CastSpellLastTurnWatcher copy() {
+//    public CastSpellLastTurnWatcher copy() {
-        return new CastSpellLastTurnWatcher(this);
+//        return new CastSpellLastTurnWatcher(this);
-    }
+//    }
 
 }

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

@@ -60,9 +60,9 @@ public class CastSpellYourLastTurnWatcher extends Watcher {
     public Integer getAmountOfSpellsCastOnPlayersTurn(UUID playerId) {
         return amountOfSpellsCastOnPrevTurn.getOrDefault(playerId, 0);
     }
-
+//
-    @Override
+//    @Override
-    public CastSpellYourLastTurnWatcher copy() {
+//    public CastSpellYourLastTurnWatcher copy() {
-        return new CastSpellYourLastTurnWatcher(this);
+//        return new CastSpellYourLastTurnWatcher(this);
-    }
+//    }
 }

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

@@ -46,11 +46,6 @@ public class DamageDoneWatcher extends Watcher {
         this.damagedObjects = new HashMap<>(watcher.damagedObjects);
     }
 
-    @Override
-    public DamageDoneWatcher copy() {
-        return new DamageDoneWatcher(this);
-    }
-
     @Override
     public void watch(GameEvent event, Game game) {
         switch (event.getType()) {

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

@@ -33,9 +33,9 @@ public class MorbidWatcher extends Watcher {
         }
     }
 
-    @Override
+//    @Override
-    public MorbidWatcher copy() {
+//    public MorbidWatcher copy() {
-        return new MorbidWatcher(this);
+//        return new MorbidWatcher(this);
-    }
+//    }
 
 }

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

@@ -56,8 +56,4 @@ public class PlanarRollWatcher extends Watcher {
         numberTimesPlanarDieRolled.clear();
     }
 
-    @Override
-    public PlanarRollWatcher copy() {
-        return new PlanarRollWatcher(this);
-    }
 }

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

@@ -30,10 +30,6 @@ public class PlayerDamagedBySourceWatcher extends Watcher {
         this.damageSourceIds.addAll(watcher.damageSourceIds);
     }
 
-    @Override
-    public PlayerDamagedBySourceWatcher copy() {
-        return new PlayerDamagedBySourceWatcher(this);
-    }
 
     @Override
     public void watch(GameEvent event, Game game) {

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

@@ -77,8 +77,8 @@ public class PlayerLostLifeNonCombatWatcher extends Watcher {
         amountOfLifeLostThisTurn.clear();
     }
 
-    @Override
+//    @Override
-    public PlayerLostLifeNonCombatWatcher copy() {
+//    public PlayerLostLifeNonCombatWatcher copy() {
-        return new PlayerLostLifeNonCombatWatcher(this);
+//        return new PlayerLostLifeNonCombatWatcher(this);
-    }
+//    }
 }

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

@@ -75,8 +75,8 @@ public class PlayerLostLifeWatcher extends Watcher {
         amountOfLifeLostThisTurn.clear();
     }
 
-    @Override
+//    @Override
-    public PlayerLostLifeWatcher copy() {
+//    public PlayerLostLifeWatcher copy() {
-        return new PlayerLostLifeWatcher(this);
+//        return new PlayerLostLifeWatcher(this);
-    }
+//    }
 }

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

@@ -35,10 +35,6 @@ public class PlayersAttackedThisTurnWatcher extends Watcher {
         }
     }
 
-    @Override
-    public PlayersAttackedThisTurnWatcher copy() {
-        return new PlayersAttackedThisTurnWatcher(this);
-    }
 
     @Override
     public void watch(GameEvent event, Game game) {