//Thanks to Stephane Turpin for locking algorithm
public int getBrakeVibe(TelemetryInfo telem, int trkTol, int trkSens)
{
speed = Convert.ToDouble(telem.Speed.Value);
rpm = Convert.ToDouble(telem.RPM.Value);
brake = Convert.ToDouble(telem.Brake.Value);
//Calculates the ratio between the RPM and car speed
//If RPM is minimum and the car is still moving -> we probably have locked tires
if (speed > 1) {
old_ratio = ratio;
ratio = rpm / speed;
} else {
old_ratio = 0;
ratio = 0;
}
//Check if we are pressing the breakes and the ratio is increasing (same RPM and less speed = higher ratio)
send = 0;
thres = (double)trkTol / 100D;
sens = 0.010 - ((double)trkSens / 1000D);
if (brake > thres) {
if ((ratio > old_ratio) || (Math.Abs((ratio - old_ratio) / ratio) > sens)) {
send = 1;
}
}
return send;
}
public void Broadcast(TelemetryInfo telemetryInfo)
{
foreach (var item in _MyServers)
{
item.Broadcast(telemetryInfo);
}
}
public void fetch(TelemetryInfo telem, iRacingSDK sdk, double fuelVal, Boolean sendTimeReset, Boolean sendTime, double prevFuel)
{
Gear = telem.Gear.Value;
Speed = telem.Speed.Value;
RPM = Convert.ToInt16(telem.RPM.Value);
Shift = telem.ShiftIndicatorPct.Value;
Lap = telem.Lap.Value > 199 ? 199 : telem.Lap.Value;
Engine = (byte)(Convert.ToString(telem.EngineWarnings.Value).Contains("PitSpeedLimiter") ? 1 : 0);
DeltaNeg = 0;
Mins = 0;
if (fuelVal != 0)
{
double tmp = Math.Round(telem.FuelLevel.Value/fuelVal, 2);
if (tmp > 99.9)
Fuel = Convert.ToInt16(Math.Round(tmp));
else if(tmp > 9.99){
Fuel = Convert.ToInt16(Math.Round(tmp * 10));
Engine |= 1 << 1;
}
else
{
Fuel = Convert.ToInt16(Math.Round(tmp * 100));
Engine |= 2 << 1;
}
}
else
{
Fuel = Convert.ToInt16(Math.Round(telem.FuelLevelPct.Value * 100));
Engine |= 3 << 1;
}
if (prevFuel != 0)
Engine |= (1 << 4);
if (sendTimeReset)
Engine |= (1 << 5);
if (sendTime)
{
Engine |= (1 << 6);
float l = Convert.ToSingle(sdk.GetData("LapLastLapTime"));
if (l > 0)
{
Mins = Convert.ToInt16(Math.Floor(l / 60));
int Secs = Convert.ToInt16(Math.Floor(l - (Mins * 60)));
int mSecs = Convert.ToInt16(Math.Floor((l - (Secs + (Mins * 60))) * 1000));
Delta = (Secs << 9) | mSecs;
}
}
else
{
Delta = (int)(Math.Round(Convert.ToSingle(sdk.GetData("LapDeltaToBestLap")) * 1000));
if (Delta <= 0)
{
DeltaNeg = 1;
Delta = Delta * -1;
}
Delta = Delta > 9999 ? 9999 : Delta;
}
}
public override void OnTelemetryUpdated(TelemetryInfo info, double updateTime)
{
if (updateTime - _lastUpdate > 1)
{
_driversView.Refresh();
_lastUpdate = updateTime;
}
}
public void CalculateSpeed(TelemetryInfo current, double? trackLengthKm)
{
if (current == null) return;
if (trackLengthKm == null) return;
try
{
var t1 = current.SessionTime.Value;
var t0 = _prevSpeedUpdateTime;
var time = t1 - t0;
if (time < SPEED_CALC_INTERVAL)
{
// Ignore
return;
}
var p1 = current.CarIdxLapDistPct.Value[this.Driver.Id];
var p0 = _prevSpeedUpdateDist;
if (p1 < -0.5 || _driver.Live.TrackSurface == TrackSurfaces.NotInWorld)
{
// Not in world?
return;
}
if (p0 - p1 > 0.5)
{
// Lap crossing
p1 += 1;
}
var distancePct = p1 - p0;
var distance = distancePct*trackLengthKm.GetValueOrDefault()*1000; //meters
if (time >= Double.Epsilon)
{
this.Speed = distance/(time); // m/s
}
else
{
if (distance < 0)
this.Speed = Double.NegativeInfinity;
else
this.Speed = Double.PositiveInfinity;
}
this.SpeedKph = this.Speed * 3.6;
_prevSpeedUpdateTime = t1;
_prevSpeedUpdateDist = p1;
}
catch (Exception ex)
{
//Log.Instance.LogError("Calculating speed of car " + this.Driver.Id, ex);
this.Speed = 0;
}
}
public void ParseTelemetry(TelemetryInfo e)
{
this.Speed = e.Speed.Value;
this.Throttle = e.Throttle.Value;
this.Brake = e.Brake.Value;
this.Clutch = e.Clutch.Value;
this.Fuel = e.FuelLevel.Value;
this.FuelPercentage = e.FuelLevelPct.Value;
this.FuelPressure = e.FuelPress.Value;
// TODO: add remaining parameters
}
public void ParseTelemetry(TelemetryInfo e)
{
this.Lap = e.CarIdxLap.Value[this.Driver.Id];
this.LapDistance = e.CarIdxLapDistPct.Value[this.Driver.Id];
this.TrackSurface = e.CarIdxTrackSurface.Value[this.Driver.Id];
this.Gear = e.CarIdxGear.Value[this.Driver.Id];
this.Rpm = e.CarIdxRPM.Value[this.Driver.Id];
this.SteeringAngle = e.CarIdxSteer.Value[this.Driver.Id];
this.Driver.PitInfo.CalculatePitInfo(e.SessionTime.Value);
}
private void UpdateDriverTelemetry(TelemetryInfo info)
{
// If currently updating list, no need to update telemetry info
if (_isUpdatingDrivers) return;
if (_driver != null) _driver.UpdatePrivateInfo(info);
foreach (var driver in _drivers)
{
driver.UpdateLiveInfo(info);
driver.Live.CalculateSpeed(_previousTelemetry, _telemetry, _sessionData.Track.Length);
}
this.CalculateLivePositions();
this.UpdateTimeDelta();
}
private void SdkOnTelemetryUpdated(object sender, SdkWrapper.TelemetryUpdatedEventArgs e)
{
// Cache previous and current info
_previousTelemetry = _telemetry;
_telemetry = e.TelemetryInfo;
// Check if session changed
if (_currentSessionNumber == null || (_currentSessionNumber.Value != e.TelemetryInfo.SessionNum.Value))
{
_mustUpdateSessionData = true;
// Session changed, reset session info
this.ResetSession();
}
// Store current session number
_currentSessionNumber = e.TelemetryInfo.SessionNum.Value;
// Update session state
_sessionData.UpdateState(e.TelemetryInfo.SessionState.Value);
// Update drivers telemetry
this.UpdateDriverTelemetry(e.TelemetryInfo);
// Update session data
this.SessionData.Update(e.TelemetryInfo);
this.OnTelemetryUpdated(e);
}
private void SdkOnTelemetryUpdated(object sender, SdkWrapper.TelemetryUpdatedEventArgs e)
{
// Cache info
_telemetry = e.TelemetryInfo;
_isReplay = e.TelemetryInfo.IsReplayPlaying.Value;
// Check if session changed
if (_currentSessionNumber == null || (_currentSessionNumber.Value != e.TelemetryInfo.SessionNum.Value))
{
_mustUpdateSessionData = true;
// Session changed, reset session info
this.ResetSession();
}
// Store current session number
_currentSessionNumber = e.TelemetryInfo.SessionNum.Value;
// Get previous state
var sessionWasFinished = this.SessionData.IsFinished;
var prevFlags = this.SessionData.Flags;
// Update session state
_sessionData.UpdateState(e.TelemetryInfo.SessionState.Value);
// Update drivers telemetry
this.UpdateDriverTelemetry(e.TelemetryInfo);
// Update session data
this.SessionData.Update(e.TelemetryInfo);
// Check if flags updated
this.CheckSessionFlagUpdates(prevFlags, this.SessionData.Flags);
if (!sessionWasFinished && this.SessionData.IsFinished)
{
// If session just finished, get winners
// Use result position (not live position)
var winners =
Drivers.Where(d => d.CurrentResults != null && d.CurrentResults.ClassPosition == 1).OrderBy(d => d.CurrentResults.Position);
foreach (var winner in winners)
{
var ev = new WinnerRaceEvent();
ev.Driver = winner;
ev.SessionTime = _telemetry.SessionTime.Value;
ev.Lap = winner.Live.Lap;
this.OnRaceEvent(ev);
}
}
this.OnTelemetryUpdated(e);
}
private void Reset()
{
_mustUpdateSessionData = true;
_mustReloadDrivers = true;
_currentSessionNumber = null;
_driver = null;
_leader = null;
_drivers.Clear();
_timeDelta = null;
_telemetry = null;
_sessionInfo = null;
_isUpdatingDrivers = false;
}
private void printTelemInfo(TelemetryInfo telem)
{
try
{
if (this.chkTelem.Checked) {
telemTextBox.Clear();
String gr = "";
if (telem.Gear.Value == -1)
gr = "R";
else if (telem.Gear.Value == 0)
gr = "N";
else
gr = Convert.ToString(telem.Gear.Value);
telemPrint("Car: " + car);
telemPrint("Track: " + track);
telemPrint("");
telemPrint("Gear: " + gr);
telemPrint("RPM: " + Math.Round(telem.RPM.Value));
telemPrint("Speed: " + (this.cboSpdUnit.SelectedIndex == 0 ? Math.Round(telem.Speed.Value * 2.23693629, 1) + "MPH" : Math.Round(telem.Speed.Value * (2.23693629 * 1.609344), 1) + "KPH"));
telemPrint("");
telemPrint("Lap: " + telem.Lap.Value);
telemPrint("Total Flying Laps Completed: " + fuelLaps);
telemPrint("");
telemPrint("Fuel PCT: " + telem.FuelLevelPct.Value * 100);
telemPrint("Fuel Lvl (L): " + telem.FuelLevel.Value);
telemPrint("Fuel Use on Current Lap (L): " + ((this.prevFuel - telem.FuelLevel.Value)>0 ? Math.Round(this.prevFuel - telem.FuelLevel.Value, 3) : 0));
telemPrint("Fuel Use Per Lap Avg(L): " + Math.Round(fuelEst, 5));
telemPrint("Laps Left EST: " + Math.Round(telem.FuelLevel.Value / fuelEst, 2));
telemPrint("");
}
}
catch (Exception exe)
{
ExceptionHelper.writeToLogFile(exe.Message, exe.ToString(), "Print Telemetry", exe.LineNumber(), this.FindForm().Name);
}
}
private void estimateFuel(TelemetryInfo telem)
{
if (prevFuel != 0)
{
double usg = prevFuel - telem.FuelLevel.Value;
double tmp = (fuelEst * fuelLaps) + usg;
fuelLaps += 1;
fuelEst = tmp / fuelLaps;
cfg.writeSetting(track + "-" + car, Convert.ToString(fuelEst));
cfg.writeSetting(track + "-" + car + "-l", Convert.ToString(fuelLaps));
//console("Recalculate Fuel Usage per Lap to: " + fuelEst);
}
prevFuel = telem.FuelLevel.Value;
}
public abstract void OnTelemetryUpdated(TelemetryInfo info, double updateTime);
public TelemetryUpdatedEventArgs(TelemetryInfo info, double time) : base(time)
{
_TelemetryInfo = info;
}
public void Broadcast(TelemetryInfo telemetryInfo)
{
myHub.Clients.All.ReceiveMessage(Math.Round((Convert.ToSingle(telemetryInfo.Speed.Value) * 3600 / 1000), 2, MidpointRounding.AwayFromZero));
}
public TelemetryData(TelemetryInfo info, int driverCarIdx)
{
this.info = info;
this.DriverCarIdx = driverCarIdx;
}
public void SendTelemetry(TelemetryInfo telemetry)
{
Clients.All.SendTelemetry(telemetry);
}
private void SdkOnTelemetryUpdated(object sender, SdkWrapper.TelemetryUpdatedEventArgs e)
{
_telemetry = e.TelemetryInfo;
try
{
App.Instance.Dispatcher.Invoke(() =>
{
// Handle telemetry update
this.UpdateDriverTelemetry(e);
// Update session data
this.SessionData.Update(e.TelemetryInfo);
// Broadcast to windows
if (this.TelemetryUpdated != null)
{
this.TelemetryUpdated(sender, e);
}
});
}
catch (Exception ex)
{
App.Instance.LogError("Updating telemetry.", ex);
}
_previousTelemetry = e.TelemetryInfo;
}
public void CalculateSpeed(TelemetryInfo previous, TelemetryInfo current, double? trackLengthKm)
{
if (previous == null || current == null) return;
if (trackLengthKm == null) return;
try
{
var distancePct = current.CarIdxLapDistPct.Value[this.Driver.Id] -
previous.CarIdxLapDistPct.Value[this.Driver.Id];
var distance = distancePct*trackLengthKm.GetValueOrDefault();
var time = current.SessionTime.Value - previous.SessionTime.Value;
if (time >= Double.Epsilon)
{
this.Speed = distance/time;
}
else
{
if (distance < 0)
this.Speed = Double.NegativeInfinity;
else
this.Speed = Double.PositiveInfinity;
}
}
catch (Exception ex)
{
//Log.Instance.LogError("Calculating speed of car " + this.Driver.Id, ex);
this.Speed = 0;
}
}
internal void UpdatePrivateInfo(TelemetryInfo e)
{
this.Private.ParseTelemetry(e);
}
public void UpdateSectorTimes(Track track, TelemetryInfo telemetry)
{
if (track == null) return;
if (track.Sectors.Count == 0) return;
var results = this.CurrentResults;
if (results != null)
{
var sectorcount = track.Sectors.Count;
// Set arrays
if (results.SectorTimes == null || results.SectorTimes.Length == 0)
{
results.SectorTimes = track.Sectors.Select(s => s.Copy()).ToArray();
}
var p0 = _prevPos;
var p1 = telemetry.CarIdxLapDistPct.Value[this.Id];
var dp = p1 - p0;
if (p1 < -0.5)
{
// Not in world?
return;
}
var t = telemetry.SessionTime.Value;
// Check lap crossing
if (p0 - p1 > 0.5) // more than 50% jump in track distance == lap crossing occurred from 0.99xx -> 0.00x
{
this.Live.CurrentSector = 0;
this.Live.CurrentFakeSector = 0;
p0 -= 1;
}
// Check all real sectors
foreach (var s in results.SectorTimes)
{
if (p1 > s.StartPercentage && p0 <= s.StartPercentage)
{
// Crossed into new sector
var crossTime = (float)(t - (p1 - s.StartPercentage) * dp);
// Finish previous
var prevNum = s.Number <= 0 ? sectorcount - 1 : s.Number - 1;
var sector = results.SectorTimes[prevNum];
if (sector != null && sector.EnterSessionTime > 0)
{
sector.SectorTime = new Laptime((float)(crossTime - sector.EnterSessionTime));
}
// Begin next sector
s.EnterSessionTime = crossTime;
this.Live.CurrentSector = s.Number;
break;
}
}
// Check 'fake' sectors (divide track into thirds)
sectorcount = 3;
foreach (var s in results.FakeSectorTimes)
{
if (p1 > s.StartPercentage && p0 <= s.StartPercentage)
{
// Crossed into new sector
var crossTime = (float)(t - (p1 - s.StartPercentage) * dp);
// Finish previous
var prevNum = s.Number <= 0 ? sectorcount - 1 : s.Number - 1;
var sector = results.FakeSectorTimes[prevNum];
if (sector != null && sector.EnterSessionTime > 0)
{
sector.SectorTime = new Laptime((float)(crossTime - sector.EnterSessionTime));
}
// Begin next sector
s.EnterSessionTime = crossTime;
this.Live.CurrentFakeSector = s.Number;
break;
}
}
_prevPos = p1;
}
}
public void ParseTelemetry(TelemetryInfo e)
{
this.Lap = e.CarIdxLap.Value[this.Driver.Id];
this.LapDistance = e.CarIdxLapDistPct.Value[this.Driver.Id];
this.TrackSurface = e.CarIdxTrackSurface.Value[this.Driver.Id];
}
private void OnTelemetryUpdated(object sender, SdkWrapper.TelemetryUpdatedEventArgs e)
{
// Grab a copy of the session info
telemetryInfo = e.TelemetryInfo;
ReadData();
// Deal with the session changing
if (telemetry.Sessions.CurrentSession == null || (telemetry.Sessions.CurrentSession.SessionNum != telemetryInfo.SessionNum.Value))
{
_mustUpdateSessionData = true;
// Session changed, reset session info
this.ResetSession();
}
}
public override void OnTelemetryUpdated(TelemetryInfo info, double updateTime)
{
}
public void Update(TelemetryInfo telemetry)
{
this.SessionTime = telemetry.SessionTime.Value;
this.TimeRemaining = telemetry.SessionTimeRemain.Value;
}
internal void UpdateLiveInfo(TelemetryInfo e)
{
this.Live.ParseTelemetry(e);
}
