Merge pull request o3de#17657 from aws-lumberyard-dev/daimini/SliceLevelUiRedCode/RemoveMenuItems

Slice Level UI Removal | Delete references to IsPrefabSystemEnabled, slice-related editor menu items

Author: AMZN-daimini

Code/Editor/AzAssetBrowser/AzAssetBrowserRequestHandler.cpp

@@ -344,18 +344,6 @@ namespace AzAssetBrowserRequestHandlerPrivate
                         }
                     }
 
-                    bool isPrefabSystemEnabled = false;
-                    AzFramework::ApplicationRequests::Bus::BroadcastResult(
-                        isPrefabSystemEnabled, &AzFramework::ApplicationRequests::IsPrefabSystemEnabled);
-
-                    if (!isPrefabSystemEnabled)
-                    {
-                        // Prepare undo command last so it captures the final state of the entity.
-                        EntityCreateCommand* command = aznew EntityCreateCommand(static_cast<AZ::u64>(newEntity->GetId()));
-                        command->Capture(newEntity);
-                        command->SetParent(undo.GetUndoBatch());
-                    }
-
                     ToolsApplicationRequests::Bus::Broadcast(&ToolsApplicationRequests::AddDirtyEntity, newEntity->GetId());
                     createdEntities.push_back(newEntity->GetId());
                 }

Code/Editor/Core/EditorActionsHandler.cpp

@@ -8,8 +8,6 @@
 
 #include <Core/EditorActionsHandler.h>
 
-#include <AzFramework/API/ApplicationAPI.h>
-
 #include <AzToolsFramework/ActionManager/Action/ActionManagerInterface.h>
 #include <AzToolsFramework/ActionManager/Action/ActionManagerInternalInterface.h>
 #include <AzToolsFramework/ActionManager/HotKey/HotKeyManagerInterface.h>
@@ -236,15 +234,6 @@ void EditorActionsHandler::OnActionUpdaterRegistrationHook()
     m_actionManagerInterface->RegisterActionUpdater(EditorIdentifiers::RecentFilesChangedUpdaterIdentifier);
     m_actionManagerInterface->RegisterActionUpdater(EditorIdentifiers::UndoRedoUpdaterIdentifier);
     m_actionManagerInterface->RegisterActionUpdater(EditorIdentifiers::ViewportDisplayInfoStateChangedUpdaterIdentifier);
-
-    // If the Prefab system is not enabled, have a backup to update actions based on level loading.
-    AzFramework::ApplicationRequests::Bus::BroadcastResult(
-        m_isPrefabSystemEnabled, &AzFramework::ApplicationRequests::IsPrefabSystemEnabled);
-
-    if (!m_isPrefabSystemEnabled)
-    {
-        m_actionManagerInterface->RegisterActionUpdater(EditorIdentifiers::LevelLoadedUpdaterIdentifier);
-    }
 }
 
 void EditorActionsHandler::OnActionRegistrationHook()
@@ -2169,14 +2158,6 @@ void EditorActionsHandler::OnStopPlayInEditor()
     );
 }
 
-void EditorActionsHandler::OnEntityStreamLoadSuccess()
-{
-    if (!m_isPrefabSystemEnabled)
-    {
-        m_actionManagerInterface->TriggerActionUpdater(EditorIdentifiers::LevelLoadedUpdaterIdentifier);
-    }
-}
-
 void EditorActionsHandler::AfterEntitySelectionChanged(
     [[maybe_unused]] const AzToolsFramework::EntityIdList& newlySelectedEntities,
     [[maybe_unused]] const AzToolsFramework::EntityIdList& newlyDeselectedEntities)

Code/Editor/Core/EditorActionsHandler.h

@@ -73,7 +73,6 @@ class EditorActionsHandler
     // EditorEntityContextNotificationBus overrides ...
     void OnStartPlayInEditor() override;
     void OnStopPlayInEditor() override;
-    void OnEntityStreamLoadSuccess() override;
 
     // ToolsApplicationNotificationBus overrides ...
     void AfterEntitySelectionChanged(
@@ -135,6 +134,4 @@ class EditorActionsHandler
     AZStd::vector<AZStd::string> m_layoutMenuIdentifiers;
     AZStd::vector<AZStd::string> m_toolActionIdentifiers;
     AZStd::vector<AZStd::string> m_toolboxMacroActionIdentifiers;
-
-    bool m_isPrefabSystemEnabled = false;
 };