void MainLoop()
{
while ( true )
{
std::this_thread::sleep_for( k_MonitorInterval );
#if defined( WIN32 )
MSG msg = { 0 };
while ( PeekMessage( &msg, NULL, 0, 0, PM_REMOVE ) )
{
TranslateMessage( &msg );
DispatchMessage( &msg );
}
if ( msg.message == WM_QUIT )
break;
#endif
// Display instructions for user if we find any devices that need them
ShowOverlay( BestOverlayForLeapDevices() );
vr::VREvent_t Event;
while ( vr::VRSystem()->PollNextEvent( &Event, sizeof( Event ) ) )
{
switch ( Event.eventType )
{
case vr::VREvent_Quit:
exit( 0 );
// NOTREAHED
case vr::VREvent_TrackedDeviceActivated:
case vr::VREvent_TrackedDeviceUpdated:
UpdateTrackedDevice( Event.trackedDeviceIndex );
break;
case vr::VREvent_VendorSpecific_Reserved_Start + 0:
// User has made the "align" gesture. The driver can't see the HMD
// coordinates, so we forward those from our client view.
if ( IsLeapDevice( Event.trackedDeviceIndex ) )
{
// printf("received event vr::VREvent_VendorSpecific_Reserved_Start + 0 for device %d\n", Event.trackedDeviceIndex);
TriggerRealignCoordinates( Event );
}
break;
}
}
}
}
void MainLoop()
{
while ( true )
{
std::this_thread::sleep_for( k_MonitorInterval );
#if defined( WIN32 )
MSG msg = { 0 };
while ( PeekMessage( &msg, NULL, 0, 0, PM_REMOVE ) )
{
TranslateMessage( &msg );
DispatchMessage( &msg );
}
if ( msg.message == WM_QUIT )
break;
#endif
// Display instructions for user if we find any devices that need them
ShowOverlay( GetCurrentOverlayType() );
vr::VREvent_t Event;
while ( vr::VRSystem()->PollNextEvent( &Event, sizeof( Event ) ) )
{
switch ( Event.eventType )
{
case vr::VREvent_Quit:
case vr::VREvent_DriverRequestedQuit: // The driver has requested that SteamVR shut down
exit( 0 );
// NOTREAHED
case vr::VREvent_TrackedDeviceActivated:
case vr::VREvent_TrackedDeviceUpdated:
UpdateTrackedDevice( Event.trackedDeviceIndex );
break;
case vr::VREvent_VendorSpecific_Reserved_Start + 0:
// Driver has requested HMD pose.
// The driver can't see the HMD coordinates, so we forward those from our client view.
if ( IsPSController( Event.trackedDeviceIndex ) )
{
SendHMDPose( Event );
}
break;
}
}
}
}
bool Init()
{
// Start as "background" application. This prevents vrserver from being started
// on our behalf, and prevents us from keeping vrserver alive when everything else
// exits. This is very important because we're spawning from a driver, and any
// class besides "background" would keep vrserver running forever
vr::EVRInitError eVRInitError;
vr::VR_Init( &eVRInitError, vr::VRApplication_Background );
if ( !vr::VRSystem() || eVRInitError != vr::VRInitError_None )
return false;
// Keep track of which devices use driver_leap
for ( int i = 0; i < vr::k_unMaxTrackedDeviceCount; ++i )
{
UpdateTrackedDevice( i );
}
return true;
}