Refactored root spawnable instantiation, added selective instantiation of root spawnable entities

Gems/Multiplayer/Code/Source/Pipeline/NetworkPrefabProcessor.cpp

@@ -124,7 +124,7 @@ namespace Multiplayer
             AzFramework::TransformComponent* transformComponent = netEntity->FindComponent<AzFramework::TransformComponent>();
             breadcrumbEntity->CreateComponent<AzFramework::TransformComponent>(*transformComponent);
             
-            // TODO: Add NetBindMarkerComponent here referring to the net entity
+            // TODO: Configure NetBindMarkerComponent to refer to the net entity
             sourceInstance->AddEntity(*breadcrumbEntity);
         }
 
@@ -133,6 +133,7 @@ namespace Multiplayer
             AZ::Data::AssetId assetId = networkSpawnable->GetId();
             AZ::Data::Asset<AzFramework::Spawnable> networkSpawnableAsset;
             networkSpawnableAsset.Create(assetId);
+            networkSpawnableAsset.SetAutoLoadBehavior(AZ::Data::AssetLoadBehavior::PreLoad);
 
             EntityOptionalReference containerEntityRef = sourceInstance->GetContainerEntity();
             if (containerEntityRef.has_value())

Gems/Multiplayer/Code/Source/Pipeline/NetworkSpawnableHolderComponent.cpp

@@ -39,4 +39,13 @@ namespace Multiplayer
         m_networkSpawnableAsset = networkSpawnableAsset;
     }
 
+    AZ::Data::Asset<AzFramework::Spawnable> NetworkSpawnableHolderComponent::GetNetworkSpawnableAsset()
+    {
+        return m_networkSpawnableAsset;
+    }
+
+    NetworkSpawnableHolderComponent::NetworkSpawnableHolderComponent()
+    {
+    }
+
 }

Gems/Multiplayer/Code/Source/Pipeline/NetworkSpawnableHolderComponent.h

@@ -27,7 +27,7 @@ namespace Multiplayer
 
         static void Reflect(AZ::ReflectContext* context);
 
-        NetworkSpawnableHolderComponent() = default;
+        NetworkSpawnableHolderComponent();;
         ~NetworkSpawnableHolderComponent() override = default;
 
         //! AZ::Component overrides.
@@ -37,6 +37,7 @@ namespace Multiplayer
         //! @}
 
         void SetNetworkSpawnableAsset(AZ::Data::Asset<AzFramework::Spawnable> networkSpawnableAsset);
+        AZ::Data::Asset<AzFramework::Spawnable> GetNetworkSpawnableAsset();
 
     private:
         AZ::Data::Asset<AzFramework::Spawnable> m_networkSpawnableAsset{ AZ::Data::AssetLoadBehavior::PreLoad };