void RegisterIfPending(SimvarRequest simvar)
{
if (simvar.Pending)
{
simvar.Pending = !RegisterToSimConnect(simvar);
simvar.StillPending = simvar.Pending;
}
}
void SetupRequests()
{
_latitudeSimvarRequest = SetupRequest("GPS POSITION LAT", "degrees");
_longitudeSimvarRequest = SetupRequest("GPS POSITION LON", "degrees");
_groundSpeedSimvarRequest = SetupRequest("GPS GROUND SPEED", "meter/second");
_trueHeadingSimvarRequest = SetupRequest("GPS GROUND TRUE HEADING", "radians");
_trueTrackSimvarRequest = SetupRequest("GPS GROUND TRUE TRACK", "radians");
}
void HandleRequest(SimvarRequest simvar, SIMCONNECT_RECV_SIMOBJECT_DATA_BYTYPE data)
{
if (data.dwRequestID == (uint)simvar.Request)
{
double value = (double)data.dwData[0];
simvar.Value = value;
simvar.Pending = false;
simvar.StillPending = false;
}
}
void RequestIfNotPending(SimvarRequest simvar)
{
if (!simvar.Pending)
{
SimConnect?.RequestDataOnSimObjectType(simvar.Request, simvar.Definition, 0, SIMCONNECT_SIMOBJECT_TYPE.USER);
simvar.Pending = true;
}
else
{
simvar.StillPending = true;
}
}
private bool RegisterToSimConnect(SimvarRequest simvarRequest)
{
if (SimConnect != null)
{
/// Define a data structure
SimConnect.AddToDataDefinition(simvarRequest.Definition, simvarRequest.Name, simvarRequest.Units, SIMCONNECT_DATATYPE.FLOAT64, 0.0f, SimConnect.SIMCONNECT_UNUSED);
/// IMPORTANT: Register it with the simconnect managed wrapper marshaller
/// If you skip this step, you will only receive a uint in the .dwData field.
SimConnect.RegisterDataDefineStruct <double>(simvarRequest.Definition);
return(true);
}
else
{
return(false);
}
}
SimvarRequest SetupRequest(string requestName, string requestUnit)
{
SimvarRequest simvarRequest = new SimvarRequest
{
Definition = (DEFINITION)_currentDefinition,
Request = (REQUEST)_currentRequest,
Name = requestName,
Units = requestUnit
};
simvarRequest.Pending = !RegisterToSimConnect(simvarRequest);
simvarRequest.StillPending = simvarRequest.Pending;
++_currentDefinition;
++_currentRequest;
return(simvarRequest);
}
void ResetRequest(SimvarRequest simvar)
{
simvar.Pending = true;
simvar.StillPending = true;
}