o3de-multiplayersample/Gem/Code/Source/Components/UI/UiStartMenuComponent.h

/*
 * Copyright (c) Contributors to the Open 3D Engine Project.
 * For complete copyright and license terms please see the LICENSE at the root of this distribution.
 *
 * SPDX-License-Identifier: Apache-2.0 OR MIT
 *
 */

#pragma once

#include <AzCore/Component/Component.h>
#include <Multiplayer/IMultiplayer.h>

namespace MultiplayerSample
{
    /*!
     * \class UiStartMenuComponent
     * \brief Ui component used for allowing game launcher applications to enter an IP address for connecting to a host.
     * UnifiedLaunchers, which may either host or join a multiplayer game, will have a button option to host a game.
    */
    class UiStartMenuComponent
        : public AZ::Component
    {
    public:
        // The level a server or unified launcher will need to load once it begins hosting
        static constexpr char MultiplayerLevelName[] = "NewStarbase";

        AZ_COMPONENT(MultiplayerSample::UiStartMenuComponent, "{2F9DA138-1750-4FC9-B1AE-7945D2C1AB4D}");

        /*
        * Reflects component data into the reflection contexts, including the serialization, edit, and behavior contexts.
        */
        static void Reflect(AZ::ReflectContext* context);

    protected:
        void Activate() override;
        void Deactivate() override;

    private:
        // Listen for disconnect events to know if connecting to the host server failed
        void OnConnectToHostFailed();
        Multiplayer::EndpointDisconnectedEvent::Handler m_onConnectToHostFailed{[this]([[maybe_unused]] Multiplayer::MultiplayerAgentType agent) { OnConnectToHostFailed(); }};

        void OnButtonClicked(AZ::EntityId buttonEntityId) const;

        AZ::EntityId m_hostButtonUi;
        AZ::EntityId m_joinButtonUi;
        AZ::EntityId m_exitButtonUi;
        AZ::EntityId m_ipAddressTextInputUi;
        AZ::EntityId m_attemptConnectionBlockerUi;
        AZ::EntityId m_connectToHostFailedUi;
    };
} // namespace MultiplayerSample