[FIN] Implement Gogo, Master of Mimicry (#13686)

* [FIN] Implement Gogo, Master of Mimicry

* add test

* fix text

* move abstract method definition to interface where it belongs

Mage/src/main/java/mage/abilities/Ability.java

@@ -534,6 +534,10 @@ public interface Ability extends Controllable, Serializable {
 
     boolean canFizzle();
 
+    Ability withCanBeCopied(boolean canBeCopied);
+
+    boolean canBeCopied();
+
     /**
      * Adds a target adjuster to this ability.
      * If using a generic adjuster, only use after adding the blueprint target!

Mage/src/main/java/mage/abilities/AbilityImpl.java

@@ -83,6 +83,7 @@ public abstract class AbilityImpl implements Ability {
     private List<Watcher> watchers = new ArrayList<>(); // access to it by GetWatchers only (it can be overridden by some abilities)
     private List<Ability> subAbilities = null;
     private boolean canFizzle = true; // for Gilded Drake
+    private boolean canBeCopied = true;
     private TargetAdjuster targetAdjuster = null;
     private CostAdjuster costAdjuster = null;
     private List<Hint> hints = new ArrayList<>();
@@ -129,6 +130,7 @@ public abstract class AbilityImpl implements Ability {
         this.flavorWord = ability.flavorWord;
         this.sourceObjectZoneChangeCounter = ability.sourceObjectZoneChangeCounter;
         this.canFizzle = ability.canFizzle;
+        this.canBeCopied = ability.canBeCopied;
         this.targetAdjuster = ability.targetAdjuster;
         this.costAdjuster = ability.costAdjuster;
         this.hints = CardUtil.deepCopyObject(ability.hints);
@@ -1733,6 +1735,17 @@ public abstract class AbilityImpl implements Ability {
         this.canFizzle = canFizzle;
     }
 
+    @Override
+    public boolean canBeCopied() {
+        return canBeCopied;
+    }
+
+    @Override
+    public Ability withCanBeCopied(boolean canBeCopied) {
+        this.canBeCopied = canBeCopied;
+        return this;
+    }
+
     @Override
     public AbilityImpl setTargetAdjuster(TargetAdjuster targetAdjuster) {
         if (targetAdjuster instanceof GenericTargetAdjuster && this.getTargets().isEmpty()) {

Mage/src/main/java/mage/game/stack/Spell.java

@@ -1169,6 +1169,11 @@ public class Spell extends StackObjectImpl implements Card {
         game.fireEvent(new CopiedStackObjectEvent(this, spellCopy, newControllerId));
     }
 
+    @Override
+    public boolean canBeCopied() {
+        return this.getSpellAbility().canBeCopied();
+    }
+
     @Override
     public boolean isAllCreatureTypes(Game game) {
         return card.isAllCreatureTypes(game);

Mage/src/main/java/mage/game/stack/StackAbility.java

@@ -718,6 +718,16 @@ public class StackAbility extends StackObjectImpl implements Ability {
         throw new UnsupportedOperationException("Not supported.");
     }
 
+    @Override
+    public boolean canBeCopied() {
+        return ability.canBeCopied();
+    }
+
+    @Override
+    public Ability withCanBeCopied(boolean canBeCopied) {
+        throw new UnsupportedOperationException("Not supported.");
+    }
+
     @Override
     public void createSingleCopy(UUID newControllerId, StackObjectCopyApplier applier, MageObjectReferencePredicate newTargetFilterPredicate, Game game, Ability source, boolean chooseNewTargets) {
         Ability newAbility = this.ability.copy();

Mage/src/main/java/mage/game/stack/StackObject.java

@@ -40,6 +40,8 @@ public interface StackObject extends MageObject, Controllable {
 
     void createSingleCopy(UUID newControllerId, StackObjectCopyApplier applier, MageObjectReferencePredicate newTargetFilterPredicate, Game game, Ability source, boolean chooseNewTargets);
 
+    boolean canBeCopied();
+
     boolean isTargetChanged();
 
     void setTargetChanged(boolean targetChanged);

Mage/src/main/java/mage/game/stack/StackObjectImpl.java

@@ -154,6 +154,9 @@ public abstract class StackObjectImpl implements StackObject {
 
     @Override
     public void createCopyOnStack(Game game, Ability source, UUID newControllerId, boolean chooseNewTargets, int amount, StackObjectCopyApplier applier) {
+        if (!this.canBeCopied()) {
+            return;
+        }
         GameEvent gameEvent = new CopyStackObjectEvent(source, this, newControllerId, amount);
         if (game.replaceEvent(gameEvent)) {
             return;