void Sample::Update()

in ID@XboxSDK/PositionalChat/Xbox/PositionalChat.cpp [134:357]
194 lines of code
44 McCabe index (conditional complexity)

void Sample::Update(DX::StepTimer const& timer)
{
    PIXBeginEvent(PIX_COLOR_DEFAULT, L"Update");

    float elapsedTime = float(timer.GetElapsedSeconds());

    if (m_refreshTimer <= 0.0f && m_needNames)
    {
        LoadUserDisplayNames();
    }
    else
    {
        m_refreshTimer -= elapsedTime;
    }

    UpdateUIState();
    UpdateControllerUIState();

    if (m_activationArgs != nullptr)
    {
        if (m_inLobby)
        {
            JoinSession();
        }
        else if (!m_leavingToJoin)
        {
            m_leavingToJoin = true;

            if (m_inChat)
            {
                LeaveChat();
                GetChatIntegrationLayer()->ProcessDataFrames();
            }

            auto users = User::Users;
            for (auto user : users)
            {
                m_multiplayerManager->LobbySession->RemoveLocalUser(user);
            }
        }
    }

    auto leave = false;
    auto exiting = false;

    for (unsigned x = 0; x < MAXUSERS; x++)
    {
        auto pad = m_gamePad->GetState(x);
        if (pad.IsConnected())
        {
            auto padUser = GamepadFromPadId(m_gamePad->GetCapabilities(x).id)->User;

            m_gamePadButtons.Update(pad);
            if (padUser == nullptr || !padUser->IsSignedIn)
            {
                if (!m_inLobby && m_gamePadButtons.y != GamePad::ButtonStateTracker::PRESSED)
                {
                    // A non-signed in user can only attempt to sign in
                    continue;
                }
            }

            if (m_inLobby)
            {
                if (m_gamePadButtons.y == GamePad::ButtonStateTracker::PRESSED)
                {
                    BindControllerToUser(GamepadFromPadId(m_gamePad->GetCapabilities(x).id));
                }
                else if (m_gamePadButtons.a == GamePad::ButtonStateTracker::PRESSED)
                {
                    if (m_context == nullptr)
                    {
                        m_context = ref new XboxLiveContext(padUser);
                    }

                    JoinSession();
                }
                else if (m_gamePadButtons.b == GamePad::ButtonStateTracker::PRESSED)
                {
                    ExitSample();
                    exiting = true;
                }
                else if (m_gamePadButtons.x == GamePad::ButtonStateTracker::PRESSED)
                {
                    if (m_context == nullptr)
                    {
                        m_context = ref new XboxLiveContext(padUser);
                    }

                    SearchJoinableUsers(GamepadFromPadId(m_gamePad->GetCapabilities(x).id)->User);
                }
            }
            else if (m_selectPlayer)
            {
                if (m_gamePadButtons.b == GamePad::ButtonStateTracker::PRESSED)
                {
                    leave = true;
                }
                else if (m_gamePadButtons.x == GamePad::ButtonStateTracker::PRESSED)
                {
                    SearchJoinableUsers(padUser);
                }
            }
            else
            {
                if (m_gamePadButtons.b == GamePad::ButtonStateTracker::PRESSED)
                {
                    auto users = User::Users;
                    for (auto user : users)
                    {
                        m_multiplayerManager->LobbySession->RemoveLocalUser(user);
                    }

                    if (m_inChat)
                    {
                        LeaveChat();
                    }
                }
                else if (m_gamePadButtons.y == GamePad::ButtonStateTracker::PRESSED)
                {
                    SendTextMessage(padUser->XboxUserId);
                }
                else if (m_gamePadButtons.menu == GamePad::ButtonStateTracker::PRESSED)
                {
                    InviteUsers(padUser);
                }
                else if (m_gamePadButtons.leftShoulder == GamePad::ButtonStateTracker::PRESSED)
                {
                    ChangeChannel(padUser, -1);
                }
                else if (m_gamePadButtons.rightShoulder == GamePad::ButtonStateTracker::PRESSED)
                {
                    ChangeChannel(padUser, 1);
                }
                else if (m_gamePadButtons.rightStick == GamePad::ButtonStateTracker::PRESSED)
                {
                    Windows::Xbox::Multiplayer::PartyChat::IsPartyChatSuppressed = !m_partySuppressed;
                }
                else if (m_gamePadButtons.view == GamePad::ButtonStateTracker::PRESSED)
                {
                    m_adjustPosition = !m_adjustPosition;
                }
                else if (m_gamePadButtons.dpadUp == GamePad::ButtonStateTracker::PRESSED)
                {
                    m_reverbIndex++;

                    if (m_reverbIndex >= NUM_PRESETS - 1)
                    {
                        m_reverbIndex = 0;
                    }

                    m_gameAudio->SetReverb(m_reverbIndex);
                }
                else if (m_gamePadButtons.dpadDown == GamePad::ButtonStateTracker::PRESSED)
                {
                    m_reverbIndex--;

                    if (m_reverbIndex < 0)
                    {
                        m_reverbIndex = NUM_PRESETS - 1;
                    }

                    m_gameAudio->SetReverb(m_reverbIndex);
                }
                else if (m_gamePadButtons.dpadLeft == GamePad::ButtonStateTracker::PRESSED ||
                    m_gamePadButtons.dpadRight == GamePad::ButtonStateTracker::PRESSED)
                {
                    //Adjust what direction the emitter is facing
                    float fShoulders = 0;
                    if (m_gamePadButtons.dpadLeft == GamePad::ButtonStateTracker::PRESSED)
                    {
                        fShoulders -= 1.0f;
                    }

                    if (m_gamePadButtons.dpadRight == GamePad::ButtonStateTracker::PRESSED)
                    {
                        fShoulders += 1.0f;
                    }

                    m_gameAudio->AdjustEmitterAngle(fShoulders, &m_fEmitterAngle);
                }
            }

            m_gamePadButtons.Reset();
            
            m_gameAudio->Update(pad.thumbSticks.rightX * moveScalar, pad.thumbSticks.rightY * moveScalar);
        }
        else
        {
            m_gamePadButtons.Reset();
        }
    }

    auto pad = m_gamePad->GetState(0);
    if (pad.IsConnected())
    {
        concurrency::critical_section::scoped_lock lock(m_uiLock);

        m_gamePadButtons.Update(pad);

        m_ui->Update(elapsedTime, pad);
    }
    else
    {
        m_gamePadButtons.Reset();
    }

    if (leave)
    {
        m_selectPlayer = false;
        LeaveSession();
    }

    if (!exiting)
    {
        ProcessMpmMessages();
    }

    GetChatIntegrationLayer()->ProcessStateChanges();
    GetChatIntegrationLayer()->ProcessStreamStateChanges();
    GetChatIntegrationLayer()->ProcessPostDecodeBuffers();

    PIXEndEvent();
}