axmol/cocos/platform/winrt/CCDevice.cpp

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#include "platform/CCPlatformConfig.h"
#if (CC_TARGET_PLATFORM == CC_PLATFORM_WINRT)

#include "platform/CCDevice.h"
#include "platform/CCFileUtils.h"
#include "platform/winrt/CCFreeTypeFont.h"
#include "platform/winrt/CCWinRTUtils.h"
#include "platform/CCStdC.h"
#include "platform/winrt/CCGLViewImpl-winrt.h"

using namespace Windows::Graphics::Display;
using namespace Windows::Devices::Sensors;
using namespace Windows::Foundation;
#if (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)
using namespace Windows::Phone::Devices::Notification;
#endif // (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)

NS_CC_BEGIN

CCFreeTypeFont sFT;

int Device::getDPI()
{
    return cocos2d::GLViewImpl::sharedOpenGLView()->GetDPI();
}

static Accelerometer^ sAccelerometer = nullptr;


void Device::setAccelerometerEnabled(bool isEnabled)
{
    static Windows::Foundation::EventRegistrationToken sToken;
    static bool sEnabled = false;

    // we always need to reset the accelerometer
    if (sAccelerometer)
    {
        sAccelerometer->ReadingChanged -= sToken;
        sAccelerometer = nullptr;
        sEnabled = false;
    }

    if (isEnabled)
    {
        sAccelerometer = Accelerometer::GetDefault();

        if(sAccelerometer == nullptr)
        {
            // It's not a friendly experience and may cause crash.
            //MessageBox("This device does not have an accelerometer.","Alert");
            log("This device does not have an accelerometer.");
            return;
        }

        setAccelerometerInterval(0.0f);
        sEnabled = true;

        sToken = sAccelerometer->ReadingChanged += ref new TypedEventHandler
            <Accelerometer^,AccelerometerReadingChangedEventArgs^>
            ([](Accelerometer^ a, AccelerometerReadingChangedEventArgs^ e)
        {
            if (!sEnabled)
            {
                return;
            }

            AccelerometerReading^ reading = e->Reading;
            cocos2d::Acceleration acc;
            acc.x = reading->AccelerationX;
            acc.y = reading->AccelerationY;
            acc.z = reading->AccelerationZ;
            acc.timestamp = 0;

            auto orientation = GLViewImpl::sharedOpenGLView()->getDeviceOrientation();

            if (isWindowsPhone())
            {
                switch (orientation)
                {
                case DisplayOrientations::Portrait:
                    acc.x = reading->AccelerationX;
                    acc.y = reading->AccelerationY;
                    break;

                case DisplayOrientations::Landscape:
                    acc.x = -reading->AccelerationY;
                    acc.y = reading->AccelerationX;
                    break;

                case DisplayOrientations::PortraitFlipped:
                    acc.x = -reading->AccelerationX;
                    acc.y = reading->AccelerationY;
                    break;

                case DisplayOrientations::LandscapeFlipped:
                    acc.x = reading->AccelerationY;
                    acc.y = -reading->AccelerationX;
                    break;

                default:
                    acc.x = reading->AccelerationX;
                    acc.y = reading->AccelerationY;
                    break;
                }
            }
            else // Windows Store App
            {
                // from http://msdn.microsoft.com/en-us/library/windows/apps/dn440593
                switch (orientation)
                {
                case DisplayOrientations::Portrait:
                    acc.x = reading->AccelerationY;
                    acc.y = -reading->AccelerationX;
                    break;

                case DisplayOrientations::Landscape:
                    acc.x = reading->AccelerationX;
                    acc.y = reading->AccelerationY;
                    break;

                case DisplayOrientations::PortraitFlipped:
                    acc.x = -reading->AccelerationY;
                    acc.y = reading->AccelerationX;
                    break;

                case DisplayOrientations::LandscapeFlipped:
                    acc.x = -reading->AccelerationX;
                    acc.y = -reading->AccelerationY;
                    break;

                default:
                    acc.x = reading->AccelerationY;
                    acc.y = -reading->AccelerationX;
                    break;
                }
            }

            std::shared_ptr<cocos2d::InputEvent> event(new AccelerometerEvent(acc));
            cocos2d::GLViewImpl::sharedOpenGLView()->QueueEvent(event);
        });
    }
}

void Device::setAccelerometerInterval(float interval)
{
    if (sAccelerometer)
    {
        try {
            int minInterval = sAccelerometer->MinimumReportInterval;
            int reqInterval = (int) interval;
            sAccelerometer->ReportInterval = reqInterval < minInterval ? minInterval : reqInterval;
        }
        catch (Platform::COMException^)
        {
            CCLOG("Device::setAccelerometerInterval not supported on this device");
        }
    }
    else
    {
        CCLOG("Device::setAccelerometerInterval: accelerometer not enabled.");
    }
}



Data Device::getTextureDataForText(const char * text, const FontDefinition& textDefinition, TextAlign align, int &width, int &height, bool& hasPremultipliedAlpha)
{
    Data ret;
    ssize_t dataLen;

    unsigned char* data = sFT.initWithString(text, textDefinition, align, width, height, dataLen);

    if (data)
    {
        ret.fastSet(data, dataLen);
        hasPremultipliedAlpha = false;
    }

    return ret;
}

void Device::setKeepScreenOn(bool /*value*/)
{
}

void Device::vibrate(float duration)
{
#if (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)
    Windows::Foundation::TimeSpan timespan;
    // A time period expressed in 100-nanosecond units, see https://msdn.microsoft.com/en-us/library/windows/apps/windows.foundation.timespan.aspx
    // The duration is limited to a maximum of 5 seconds, see https://msdn.microsoft.com/en-us/library/windows/apps/windows.phone.devices.notification.vibrationdevice.aspx
    timespan.Duration = std::min(static_cast<int>(duration * 10000), 50000);

    VibrationDevice^ testVibrationDevice = VibrationDevice::GetDefault();
    testVibrationDevice->Vibrate(timespan);
#endif // (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)
}

NS_CC_END

#endif // (CC_TARGET_PLATFORM == CC_PLATFORM_WINRT)