SimpleUserModel.h

//--------------------------------------------------------------------------------------
// SimpleUserModel.h
//
// Advanced Technology Group (ATG)
// Copyright (C) Microsoft Corporation. All rights reserved.
//--------------------------------------------------------------------------------------

#pragma once

#include "DeviceResources.h"
#include "StepTimer.h"


// A basic sample implementation that creates a D3D12 device and
// provides a render loop.
class Sample final : public ATG::UITK::D3DResourcesProvider
{
public:

    Sample() noexcept(false);
    ~Sample();

    Sample(Sample&&) = delete;
    Sample& operator= (Sample&&) = delete;

    Sample(Sample const&) = delete;
    Sample& operator= (Sample const&) = delete;

    // Initialization and management
    void Initialize(HWND window, int width, int height);

    // Basic render loop
    void Tick();

    // Messages
    void OnActivated();
    void OnDeactivated();
    void OnSuspending();
    void OnResuming();
    void OnConstrained() {}
    void OnUnConstrained() {}
    void OnWindowMoved();
    void OnWindowSizeChanged(int width, int height);

    // ATG::UITK::D3DResourcesProvider
    ID3D12Device* GetD3DDevice() override { return m_deviceResources->GetD3DDevice(); }
    ID3D12CommandQueue* GetCommandQueue() const override { return m_deviceResources->GetCommandQueue(); }
    ID3D12GraphicsCommandList* GetCommandList() const override { return m_deviceResources->GetCommandList(); }

    void GetDefaultSize(int& width, int& height) const noexcept;

private:

    void Update(DX::StepTimer const& timer);
    void Render();

    void Clear();

    void CreateDeviceDependentResources();
    void CreateWindowSizeDependentResources();

public:

    void SignInDefaultUser();
    void InitializeUI();
    void UpdateUserUIData();

private:

    static void CALLBACK UserChangeEventCallback(
        _In_opt_ void* context,
        _In_ XUserLocalId userLocalId,
        _In_ XUserChangeEvent event
    );

    static void CALLBACK UserDeviceAssociationChangedCallback(
        _In_opt_ void* context,
        _In_ const XUserDeviceAssociationChange* change
    );

    static void LoopFindControllerForUserWithUiAsync(_In_ void* context);

private:
    // Device resources.
    std::unique_ptr<DX::DeviceResources>        m_deviceResources;

    // Rendering loop timer.
    uint64_t                                    m_frame;
    DX::StepTimer                               m_timer;

    // UITK
    ATG::UITK::UIManager                        m_uiManager;
    ATG::UITK::UIInputState                     m_inputState;
    std::shared_ptr<ATG::UITK::UIStaticText>    m_gamertagText;
    std::shared_ptr<ATG::UITK::UIImage>         m_gamerpicImage;

    // Input devices.
    std::unique_ptr<DirectX::GamePad>           m_gamePad;
    std::unique_ptr<DirectX::Keyboard>          m_keyboard;

    DirectX::GamePad::ButtonStateTracker        m_gamePadButtons;
    DirectX::Keyboard::KeyboardStateTracker     m_keyboardButtons;

    // DirectXTK objects.
    std::unique_ptr<DirectX::GraphicsMemory>    m_graphicsMemory;

    // User
    XUserHandle                                 m_user;
    XUserLocalId                                m_userLocalId;
    XTaskQueueRegistrationToken                 m_userChangeEventCallbackToken;
    XTaskQueueRegistrationToken                 m_userDeviceAssociationChangedCallbackToken;
    XTaskQueueHandle                            m_taskQueue;
};