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+/*
+ * All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
+ * its licensors.
+ *
+ * For complete copyright and license terms please see the LICENSE at the root of this
+ * distribution (the "License"). All use of this software is governed by the License,
+ * or, if provided, by the license below or the license accompanying this file. Do not
+ * remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *
+ */
+#pragma once
+
+#include <GameState/GameState.h>
+#include <GameStateSamples/GameStateLocalUserLobby.h>
+
+#include <AzCore/std/smart_ptr/unique_ptr.h>
+
+#include <ISystem.h>
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+namespace GameStateSamples
+{
+    ////////////////////////////////////////////////////////////////////////////////////////////////
+    //! Game state that is active while displaying the main game menu (or another front-end menu).
+    class GameStateMainMenu : public GameState::IGameState
+                            , public ISystemEventListener
+    {
+    public:
+        ////////////////////////////////////////////////////////////////////////////////////////////
+        // Allocator
+        AZ_CLASS_ALLOCATOR(GameStateMainMenu, AZ::SystemAllocator, 0);
+
+        ////////////////////////////////////////////////////////////////////////////////////////////
+        // Type Info
+        AZ_RTTI(GameStateMainMenu, "{53EB59EC-77F1-4C8E-AC5F-B2A94F15AF31}", IGameState);
+
+        ////////////////////////////////////////////////////////////////////////////////////////////
+        //! Default constructor
+        GameStateMainMenu() = default;
+
+        ////////////////////////////////////////////////////////////////////////////////////////////
+        //! Default destructor
+        ~GameStateMainMenu() override = default;
+
+    protected:
+        ////////////////////////////////////////////////////////////////////////////////////////////
+        //! \ref GameState::GameState::OnPushed
+        void OnPushed() override;
+
+        ////////////////////////////////////////////////////////////////////////////////////////////
+        //! \ref GameState::GameState::OnPopped
+        void OnPopped() override;
+
+        ////////////////////////////////////////////////////////////////////////////////////////////
+        //! \ref GameState::GameState::OnEnter
+        void OnEnter() override;
+
+        ////////////////////////////////////////////////////////////////////////////////////////////
+        //! \ref GameState::GameState::OnExit
+        void OnExit() override;
+
+        ////////////////////////////////////////////////////////////////////////////////////////////
+        //! \ref GameState::GameState::OnUpdate
+        void OnUpdate() override;
+
+        ////////////////////////////////////////////////////////////////////////////////////////////
+        //! \ref ISystemEventListener::OnSystemEvent
+        void OnSystemEvent(ESystemEvent event, UINT_PTR wparam, UINT_PTR lparam) override;
+
+        ////////////////////////////////////////////////////////////////////////////////////////////
+        //! Convenience functions to load and unload the main game menu UI canvas.
+        ///@{
+        virtual void LoadMainMenuCanvas();
+        virtual void UnloadMainMenuCanvas();
+        virtual const char* GetMainMenuCanvasAssetPath();
+        ///@}
+
+        ////////////////////////////////////////////////////////////////////////////////////////////
+        //! Refresh the list of levels displayed in the main menu.
+        virtual void RefreshLevelListDisplay();
+
+        ////////////////////////////////////////////////////////////////////////////////////////////
+        //! Load options from persistent storage, which is done upon first entry into the main menu.
+        virtual void LoadGameOptionsFromPersistentStorage();
+
+    protected:
+        ////////////////////////////////////////////////////////////////////////////////////////////
+        // Variables
+        AZStd::unique_ptr<GameStateLocalUserLobby> m_localUserLobbySubState;
+        AZ::EntityId                               m_mainMenuCanvasEntityId;
+        bool                                       m_shouldRefreshLevelListDisplay = false;
+    };
+} // namespace GameStateSamples
+
+// Include the implementation inline so the class can be instantiated outside of the gem.
+#include <GameStateSamples/GameStateMainMenu.inl>