public static Tuple <bool, pCarsAPIStruct> ReadSharedMemoryData()
{
var pcarsapistruct = new pCarsAPIStruct();
try
{
if (_memoryMappedFile == null)
{
InitialiseSharedMemory();
}
using (var sharedMemoryStreamView = _memoryMappedFile.CreateViewStream())
{
var sharedMemoryStream = new BinaryReader(sharedMemoryStreamView);
_sharedMemoryReadBuffer = sharedMemoryStream.ReadBytes(_sharedmemorysize);
_handle = GCHandle.Alloc(_sharedMemoryReadBuffer, GCHandleType.Pinned);
pcarsapistruct =
(pCarsAPIStruct)Marshal.PtrToStructure(_handle.AddrOfPinnedObject(), typeof(pCarsAPIStruct));
_handle.Free();
}
return(new Tuple <bool, pCarsAPIStruct>(true, pcarsapistruct));
}
catch (Exception ex)
{
//return false in the tuple as the read failed
return(new Tuple <bool, pCarsAPIStruct>(false, pcarsapistruct));
}
}
public pCarsDataClass MapStructToClass(pCarsAPIStruct pcarsDataStruct, pCarsDataClass pCarsData)
{
//pCarsDataClass pCarsData = new pCarsDataClass();
pCarsData.Version = pcarsDataStruct.Version;
pCarsData.BuildVersion = pcarsDataStruct.BuildVersion;
// Session type
pCarsData.GameState = (GameState)pcarsDataStruct.GameState;
pCarsData.SessionState = (SessionState)pcarsDataStruct.SessionState;
pCarsData.RaceState = (RaceState)pcarsDataStruct.RaceState;
pCarsData.ViewedParticipantIndex = pcarsDataStruct.ViewedParticipantIndex;
pCarsData.NumParticipants = pcarsDataStruct.NumParticipants;
if (pCarsData.PlayerParticipantIndex < 0)
{
pCarsData.PlayerParticipantIndex = pCarsData.ViewedParticipantIndex;
}
for (var loop = 0; loop < (uint)ApiStructLengths.NumParticipants; loop++)
{
if (pCarsData.listParticipantInfo.Count != (uint)ApiStructLengths.NumParticipants)
{
for (var i = 0; i < (uint)ApiStructLengths.NumParticipants; i++)
{
pCarsData.listParticipantInfo.Add(new pCarsParticipantsClass());
}
}
if (pcarsDataStruct.ParticipantData[loop].CurrentLap != 0)
{
var newPartData = new pCarsParticipantsClass
{
parIsActive = pcarsDataStruct.ParticipantData[loop].IsActive,
parName = pcarsDataStruct.ParticipantData[loop].Name,
parWorldPosition = new List <float>(pcarsDataStruct.ParticipantData[loop].WorldPosition),
parCurrentLapDistance = pcarsDataStruct.ParticipantData[loop].CurrentLapDistance,
parRacePosition = pcarsDataStruct.ParticipantData[loop].RacePosition,
parLapsCompleted = pcarsDataStruct.ParticipantData[loop].LapsCompleted,
parCurrentLap = pcarsDataStruct.ParticipantData[loop].CurrentLap,
parCurrentSector = (CurrentSector)pcarsDataStruct.ParticipantData[loop].CurrentSector
};
pCarsData.listParticipantInfo[loop] = newPartData;
}
}
// Unfiltered Input
pCarsData.UnfilteredThrottle = pcarsDataStruct.UnfilteredThrottle;
pCarsData.UnfilteredBrake = pcarsDataStruct.UnfilteredBrake;
pCarsData.UnfilteredSteering = pcarsDataStruct.UnfilteredSteering;
pCarsData.UnfilteredClutch = pcarsDataStruct.UnfilteredClutch;
// Vehicle & Track information
pCarsData.CarName = pcarsDataStruct.CarName;
pCarsData.CarClassName = pcarsDataStruct.CarClassName;
pCarsData.LapsInEvent = pcarsDataStruct.LapsInEvent;
pCarsData.TrackLocation = pcarsDataStruct.TrackLocation;
pCarsData.TrackVariant = pcarsDataStruct.TrackVariation;
pCarsData.TrackLength = pcarsDataStruct.TrackLength;
// Timing & Scoring
pCarsData.LapInvalidated = pcarsDataStruct.LapInvalidated;
pCarsData.LastLapTime = pcarsDataStruct.LastLapTime;
pCarsData.CurrentTime = pcarsDataStruct.CurrentTime;
pCarsData.SplitTimeAhead = pcarsDataStruct.SplitTimeAhead;
pCarsData.SplitTimeBehind = pcarsDataStruct.SplitTimeBehind;
pCarsData.SplitTime = pcarsDataStruct.SplitTime;
pCarsData.EventTimeRemaining = pcarsDataStruct.EventTimeRemaining;
//make sure that the collections are not empty
if (pCarsData.CurrentLapTime.Count == 0)
{
pCarsData.CurrentLapTime = new ObservableCollection <LapTimesClass> {
new LapTimesClass()
}
}
;
if (pCarsData.SessionFastestLapTime.Count == 0)
{
pCarsData.SessionFastestLapTime = new ObservableCollection <LapTimesClass> {
new LapTimesClass()
}
}
;
if (pCarsData.PersonalFastestLapTime.Count == 0)
{
pCarsData.PersonalFastestLapTime = new ObservableCollection <LapTimesClass> {
new LapTimesClass()
}
}
;
if (pCarsData.WorldFastestLapTime.Count == 0)
{
pCarsData.WorldFastestLapTime = new ObservableCollection <LapTimesClass> {
new LapTimesClass()
}
}
;
//create the new entry at index 0
//index 0 is the first in the collection
//a collection is required for the datagrid binding
pCarsData.CurrentLapTime[0] = new LapTimesClass
{
ltLapTime = pcarsDataStruct.CurrentTime,
ltSect1 = pcarsDataStruct.CurrentSector1Time,
ltSect2 = pcarsDataStruct.CurrentSector2Time,
ltSect3 = pcarsDataStruct.CurrentSector3Time
};
pCarsData.SessionFastestLapTime[0] = new LapTimesClass
{
ltLapTime = pcarsDataStruct.SessionFastestLapTime,
ltSect1 = pcarsDataStruct.SessionFastestSector1Time,
ltSect2 = pcarsDataStruct.SessionFastestSector2Time,
ltSect3 = pcarsDataStruct.SessionFastestSector3Time
};
pCarsData.PersonalFastestLapTime[0] = new LapTimesClass
{
ltLapTime = pcarsDataStruct.PersonalFastestLapTime,
ltSect1 = pcarsDataStruct.PersonalFastestSector1Time,
ltSect2 = pcarsDataStruct.PersonalFastestSector2Time,
ltSect3 = pcarsDataStruct.PersonalFastestSector3Time
};
pCarsData.WorldFastestLapTime[0] = new LapTimesClass
{
ltLapTime = pcarsDataStruct.WorldFastestLapTime,
ltSect1 = pcarsDataStruct.WorldFastestSector1Time,
ltSect2 = pcarsDataStruct.WorldFastestSector2Time,
ltSect3 = pcarsDataStruct.WorldFastestSector3Time
};
// Flags
pCarsData.FlagColour = (FlagColors)pcarsDataStruct.HighestFlagColour;
pCarsData.FlagReason = (FlagReason)pcarsDataStruct.HighestFlagReason;
// Pit Info
pCarsData.PitMode = (PitMode)pcarsDataStruct.PitMode;
pCarsData.PitSchedule = (PitSchedule)pcarsDataStruct.PitSchedule;
// Car State
pCarsData.CarFlags = (CarFlags)pcarsDataStruct.CarFlags;
pCarsData.OilTempCelsius = pcarsDataStruct.OilTempCelsius;
pCarsData.OilPressureKPa = pcarsDataStruct.OilPressureKPa;
pCarsData.WaterTempCelsius = pcarsDataStruct.WaterTempCelsius;
pCarsData.WaterPressureKPa = pcarsDataStruct.WaterPressureKPa;
pCarsData.FuelPressureKPa = pcarsDataStruct.FuelPressureKPa;
pCarsData.FuelLevel = (float)Math.Round(pcarsDataStruct.FuelLevel * pcarsDataStruct.FuelCapacity, 2);
pCarsData.FuelCapacity = pcarsDataStruct.FuelCapacity;
pCarsData.Speed = pcarsDataStruct.Speed;
pCarsData.RPM = pcarsDataStruct.RPM;
pCarsData.MaxRPM = pcarsDataStruct.MaxRPM;
pCarsData.Brake = pcarsDataStruct.Brake;
pCarsData.Throttle = pcarsDataStruct.Throttle;
pCarsData.Clutch = pcarsDataStruct.Clutch;
pCarsData.Steering = pcarsDataStruct.Steering;
pCarsData.Gear = pcarsDataStruct.Gear;
pCarsData.NumGears = pcarsDataStruct.NumGears;
pCarsData.OdometerKM = pcarsDataStruct.OdometerKM;
pCarsData.AntiLockActive = pcarsDataStruct.AntiLockActive;
pCarsData.LastOpponentCollisionIndex = pcarsDataStruct.LastOpponentCollisionIndex;
pCarsData.LastOpponentCollisionMagnitude = pcarsDataStruct.LastOpponentCollisionMagnitude;
pCarsData.BoostActive = pcarsDataStruct.BoostActive;
pCarsData.BoostAmount = pcarsDataStruct.BoostAmount;
// Motion & Device Related
//////pCarsData.WorldPosition = new List<float>(pcarsDataStruct.WorldPosition);
pCarsData.Orientation = new List <float>(pcarsDataStruct.Orientation);
pCarsData.LocalVelocity = new List <float>(pcarsDataStruct.LocalVelocity);
pCarsData.WorldVelocity = new List <float>(pcarsDataStruct.WorldVelocity);
pCarsData.AngularVelocity = new List <float>(pcarsDataStruct.AngularVelocity);
pCarsData.LocalAcceleration = new List <float>(pcarsDataStruct.LocalAcceleration);
pCarsData.WorldAcceleration = new List <float>(pcarsDataStruct.WorldAcceleration);
pCarsData.ExtentsCentre = new List <float>(pcarsDataStruct.ExtentsCentre);
// Wheels / Tyres
pCarsData.TyreFlags = new List <uint>(pcarsDataStruct.TyreFlags);
pCarsData.Terrain = new List <uint>(pcarsDataStruct.Terrain);
pCarsData.TyreY = new List <float>(pcarsDataStruct.TyreY);
pCarsData.TyreRPS = new List <float>(pcarsDataStruct.TyreRPS);
pCarsData.TyreSlipSpeed = new List <float>(pcarsDataStruct.TyreSlipSpeed);
pCarsData.TyreTemp = new List <float>(pcarsDataStruct.TyreTemp);
pCarsData.TyreGrip = new List <float>(pcarsDataStruct.TyreGrip);
pCarsData.TyreHeightAboveGround = new List <float>(pcarsDataStruct.TyreHeightAboveGround);
pCarsData.TyreLateralStiffness = new List <float>(pcarsDataStruct.TyreLateralStiffness);
pCarsData.TyreWear = new List <float>(pcarsDataStruct.TyreWear);
pCarsData.BrakeDamage = new List <float>(pcarsDataStruct.BrakeDamage);
pCarsData.SuspensionDamage = new List <float>(pcarsDataStruct.SuspensionDamage);
pCarsData.BrakeTempCelsius = new List <float>(pcarsDataStruct.BrakeTempCelsius);
pCarsData.TyreTreadTemp = new List <float>(pcarsDataStruct.TyreTreadTemp);
pCarsData.TyreLayerTemp = new List <float>(pcarsDataStruct.TyreLayerTemp);
pCarsData.TyreCarcassTemp = new List <float>(pcarsDataStruct.TyreCarcassTemp);
pCarsData.TyreRimTemp = new List <float>(pcarsDataStruct.TyreRimTemp);
pCarsData.TyreInternalAirTemp = new List <float>(pcarsDataStruct.TyreInternalAirTemp);
// Car Damage
pCarsData.CrashState = (CrashDamageState)pcarsDataStruct.CrashState;
pCarsData.AeroDamage = pcarsDataStruct.AeroDamage;
pCarsData.EngineDamage = pcarsDataStruct.EngineDamage;
// Weather
pCarsData.AmbientTemperature = pcarsDataStruct.AmbientTemperature;
pCarsData.TrackTemperature = pcarsDataStruct.TrackTemperature;
pCarsData.RainDensity = pcarsDataStruct.RainDensity;
pCarsData.WindSpeed = pcarsDataStruct.WindSpeed;
pCarsData.WindDirectionX = pcarsDataStruct.WindDirectionX;
pCarsData.WindDirectionY = pcarsDataStruct.WindDirectionY;
pCarsData.CloudBrightness = pcarsDataStruct.CloudBrightness;
return(pCarsData);
}
}
}
