SPEC-6590 Implemented network entities instantiation by network spawnable asset ID

Code/Framework/AzFramework/AzFramework/Spawnable/SpawnableEntitiesInterface.h

@@ -148,6 +148,12 @@ namespace AzFramework
         //! Blocks until all operations made on the provided ticket before the barrier call have completed.
         virtual void Barrier(EntitySpawnTicket& ticket, BarrierCallback completionCallback) = 0;
 
+        //! Register a handler for OnSpawned events.
+        virtual void AddOnSpawnedHandler(AZ::Event<AZ::Data::Asset<Spawnable>>::Handler& handler) = 0;
+
+        //! Register a handler for OnDespawned events.
+        virtual void AddOnDespawnedHandler(AZ::Event<AZ::Data::Asset<Spawnable>>::Handler& handler) = 0;
+
     protected:
         [[nodiscard]] virtual void* CreateTicket(AZ::Data::Asset<Spawnable>&& spawnable) = 0;
         virtual void DestroyTicket(void* ticket) = 0;

Code/Framework/AzFramework/AzFramework/Spawnable/SpawnableEntitiesManager.cpp

@@ -114,6 +114,16 @@ namespace AzFramework
         }
     }
 
+    void SpawnableEntitiesManager::AddOnSpawnedHandler(AZ::Event<AZ::Data::Asset<Spawnable>>::Handler& handler)
+    {
+        handler.Connect(m_onSpawnedEvent);
+    }
+
+    void SpawnableEntitiesManager::AddOnDespawnedHandler(AZ::Event<AZ::Data::Asset<Spawnable>>::Handler& handler)
+    {
+        handler.Connect(m_onDespawnedEvent);
+    }
+
     auto SpawnableEntitiesManager::ProcessQueue() -> CommandQueueStatus
     {
         AZStd::queue<Requests> pendingRequestQueue;
@@ -223,6 +233,8 @@ namespace AzFramework
                     ticket.m_spawnedEntities.begin() + spawnedEntitiesCount, ticket.m_spawnedEntities.end()));
             }
 
+            m_onSpawnedEvent.Signal(ticket.m_spawnable);
+
             ticket.m_currentTicketId++;
             return true;
         }
@@ -257,6 +269,8 @@ namespace AzFramework
                     ticket.m_spawnedEntities.begin() + spawnedEntitiesCount, ticket.m_spawnedEntities.end()));
             }
 
+            m_onSpawnedEvent.Signal(ticket.m_spawnable);
+
             ticket.m_currentTicketId++;
             return true;
         }
@@ -289,6 +303,8 @@ namespace AzFramework
                 request.m_completionCallback(*request.m_ticket);
             }
 
+            m_onDespawnedEvent.Signal(ticket.m_spawnable);
+
             ticket.m_currentTicketId++;
             return true;
         }
@@ -315,6 +331,8 @@ namespace AzFramework
                         &GameEntityContextRequestBus::Events::DestroyGameEntityAndDescendants, entity->GetId());
                 }
             }
+
+            m_onDespawnedEvent.Signal(ticket.m_spawnable);
             
             // Rebuild the list of entities.
             ticket.m_spawnedEntities.clear();
@@ -350,6 +368,9 @@ namespace AzFramework
             }
 
             ticket.m_currentTicketId++;
+
+            m_onSpawnedEvent.Signal(ticket.m_spawnable);
+
             return true;
         }
         else

Code/Framework/AzFramework/AzFramework/Spawnable/SpawnableEntitiesManager.h

@@ -60,6 +60,9 @@ namespace AzFramework
 
         void Barrier(EntitySpawnTicket& spawnInfo, BarrierCallback completionCallback) override;
 
+        void AddOnSpawnedHandler(AZ::Event<AZ::Data::Asset<Spawnable>>::Handler& handler) override;
+        void AddOnDespawnedHandler(AZ::Event<AZ::Data::Asset<Spawnable>>::Handler& handler) override;
+
         //
         // The following function is thread safe but intended to be run from the main thread.
         //
@@ -156,5 +159,8 @@ namespace AzFramework
         AZStd::deque<Requests> m_delayedQueue; //!< Requests that were processed before, but couldn't be completed.
         AZStd::queue<Requests> m_pendingRequestQueue;
         AZStd::mutex m_pendingRequestQueueMutex;
+
+        AZ::Event<AZ::Data::Asset<Spawnable>> m_onSpawnedEvent;
+        AZ::Event<AZ::Data::Asset<Spawnable>> m_onDespawnedEvent;
     };
 } // namespace AzFramework