Disable support to destroy game entities through behavior context when prefabs are enabled

Signed-off-by: srikappa <srikappa@amazon.com>

Code/Framework/AzFramework/AzFramework/Entity/GameEntityContextBus.h

@@ -90,6 +90,15 @@ namespace AzFramework
          */
         virtual void DestroyGameEntity(const AZ::EntityId& /*id*/) = 0;
 
+        /**
+         * Destroys an entity only in slice mode (when prefabs are disabled). This request is only added as a stop-gap solution to
+         * prevent the editor from crashing when prefabs are enabled. This will be removed soon. Please use 'DestroyGameEntity' if your
+         * intention is to destroy a game entity in slice mode.
+         * 
+         * \param id The ID of the entity to destroy.
+         */
+        virtual void DestroyGameEntityOnlyInSliceMode(const AZ::EntityId& /*id*/) = 0;
+
         /**
          * Destroys an entity and all of its descendants. 
          * The entity and its descendants are immediately deactivated and will be 
@@ -98,6 +107,15 @@ namespace AzFramework
          */
         virtual void DestroyGameEntityAndDescendants(const AZ::EntityId& /*id*/) = 0;
 
+        /**
+         * Destroys an entity and its descendants only in slice mode (when prefabs are disabled). This request is only added as a stop-gap
+         * solution to prevent the editor from crashing when prefabs are enabled. This will be removed soon. Please use 
+         * 'DestroyGameEntityAndDescendants' if your intention is to destroy a game entity and its descendants in slice mode.
+         *
+         * \param id The ID of the entity to destroy.
+         */
+        virtual void DestroyGameEntityAndDescendantsOnlyInSliceMode(const AZ::EntityId& /*id*/) = 0;
+
         /**
          * Activates the game entity.
          * @param id The ID of the entity to activate.

Code/Framework/AzFramework/AzFramework/Entity/GameEntityContextComponent.cpp

@@ -46,8 +46,9 @@ namespace AzFramework
                 ->Attribute(AZ::Script::Attributes::Scope, AZ::Script::Attributes::ScopeFlags::Common)
                 ->Event("CreateGameEntity", &GameEntityContextRequestBus::Events::CreateGameEntityForBehaviorContext)
                     ->Attribute(AZ::Script::Attributes::ExcludeFrom, AZ::Script::Attributes::ExcludeFlags::All)
-                ->Event("DestroyGameEntity", &GameEntityContextRequestBus::Events::DestroyGameEntity)
-                ->Event("DestroyGameEntityAndDescendants", &GameEntityContextRequestBus::Events::DestroyGameEntityAndDescendants)
+                ->Event("DestroyGameEntity", &GameEntityContextRequestBus::Events::DestroyGameEntityOnlyInSliceMode)
+                ->Event(
+                    "DestroyGameEntityAndDescendants", &GameEntityContextRequestBus::Events::DestroyGameEntityAndDescendantsOnlyInSliceMode)
                 ->Event("ActivateGameEntity", &GameEntityContextRequestBus::Events::ActivateGameEntity)
                 ->Event("DeactivateGameEntity", &GameEntityContextRequestBus::Events::DeactivateGameEntity)
                     ->Attribute(AZ::ScriptCanvasAttributes::DeactivatesInputEntity, true)
@@ -247,6 +248,23 @@ namespace AzFramework
         DestroyGameEntityInternal(id, false);
     }
 
+    void GameEntityContextComponent::DestroyGameEntityOnlyInSliceMode(const AZ::EntityId& id)
+    {
+        bool isPrefabSystemEnabled = false;
+        AzFramework::ApplicationRequests::Bus::BroadcastResult(
+            isPrefabSystemEnabled, &AzFramework::ApplicationRequests::IsPrefabSystemEnabled);
+        if (!isPrefabSystemEnabled)
+        {
+            DestroyGameEntityInternal(id, false);
+        }
+        else
+        {
+            AZ_Error(
+                "GameEntityContextComponent", false,
+                "Destroying a game entity is temporarily disabled until the Spawnable system can support this.");
+        }
+    }
+
     //=========================================================================
     // GameEntityContextComponent::DestroyGameEntityAndDescendantsById
     //=========================================================================
@@ -255,6 +273,24 @@ namespace AzFramework
         DestroyGameEntityInternal(id, true);
     }
 
+    
+    void GameEntityContextComponent::DestroyGameEntityAndDescendantsOnlyInSliceMode(const AZ::EntityId& id)
+    {
+        bool isPrefabSystemEnabled = false;
+        AzFramework::ApplicationRequests::Bus::BroadcastResult(
+            isPrefabSystemEnabled, &AzFramework::ApplicationRequests::IsPrefabSystemEnabled);
+        if (!isPrefabSystemEnabled)
+        {
+            DestroyGameEntityInternal(id, true);
+        }
+        else
+        {
+            AZ_Error(
+                "GameEntityContextComponent", false,
+                "Destroying a game entity and its descendants is temporarily disabled until the Spawnable system can support this.");
+        }
+    }
+
     //=========================================================================
     // GameEntityContextComponent::DestroyGameEntityInternal
     //=========================================================================

Code/Framework/AzFramework/AzFramework/Entity/GameEntityContextComponent.h

@@ -89,6 +89,12 @@ namespace AzFramework
         }
 
     private:
+        //////////////////////////////////////////////////////////////////////////
+        // GameEntityContextRequestBus
+        void DestroyGameEntityOnlyInSliceMode(const AZ::EntityId&) override;
+        void DestroyGameEntityAndDescendantsOnlyInSliceMode(const AZ::EntityId&) override;
+        /////////////////////////////////////////////////////////////////////////
+
         AzFramework::EntityVisibilityBoundsUnionSystem m_entityVisibilityBoundsUnionSystem;
     };
 } // namespace AzFramework