private void Update(iRacingSDK sdk, Simulation sim)
{
sim.DataMutex.WaitOne();
var sessionInfoUpdate = sdk.Header.SessionInfoUpdate;
var updateSessionInfo = false;
if (sessionInfoUpdate != LastSessionInfoUpdate)
{
LastSessionInfoUpdate = sessionInfoUpdate;
updateSessionInfo = true;
}
string sessionInfo = null;
if (updateSessionInfo)
{
sessionInfo = sdk.GetSessionInfo();
}
try
{
Update(sim, sessionInfo, updateSessionInfo);
((SimEventManager)sim.EventManager).ExecuteEvents();
}
finally
{
sim.DataMutex.ReleaseMutex();
}
}
/**
* Very hacky/not robust regex fudge to 'discover' camera groups! Only called once per track
*/
private static void DiscoverCameras()
{
String yaml = sdk.GetSessionInfo();
int length = yaml.Length;
int start = yaml.IndexOf("CameraInfo:\n", 0, length);
int end = yaml.IndexOf("\n\n", start, length - start);
string CameraInfo = yaml.Substring(start, end - start);
length = CameraInfo.Length;
start = CameraInfo.IndexOf(" Groups:\n", 0, length);
end = length;
string Cameras = CameraInfo.Substring(start, end - start - 1);
string[] cameraList = Cameras.Split(new string[] { "\n - " }, StringSplitOptions.RemoveEmptyEntries);
int groupNum;
foreach (string camera in cameraList)
{
Regex groupNumReg = new Regex("^GroupNum: ([0-9]+)");
string[] groupNumResult = (from Match match in groupNumReg.Matches(camera) select match.Groups[1].Value).ToArray();
if (groupNumResult.Length < 1)
{
continue;
}
groupNum = Convert.ToInt16(groupNumResult[0]);
Regex groupNameReg = new Regex("GroupName: ([\\w ]+)");
string[] groupNameResult = (from Match match in groupNameReg.Matches(camera) select match.Groups[1].Value).ToArray();
cameras.Add(groupNameResult[0], groupNum);
}
}
public void updateData()
{
// Check if the SDK is connected
if (sdk.IsConnected())
{
// telemetry
gear = (Int32)sdk.GetData("Gear");
rpm = (Int32)(Single)sdk.GetData("RPM");
speed = (Int32)((Single)sdk.GetData("Speed") * 3.6);
fuel = (Int32)((Single)sdk.GetData("FuelLevel"));
shiftindicator = (Single)sdk.GetData("ShiftIndicatorPct");
Int32 enwarn = (Int32)sdk.GetData("EngineWarnings");
if (((Int32)sdk.GetData("EngineWarnings") & 0x10) > 0)
{
pitlimiter = true;
}
else
{
pitlimiter = false;
}
lap = (Int32)sdk.GetData("Lap");
lapsrem = (Int32)sdk.GetData("SessionLapsRemain");
Double sessionTime = new Double();
Boolean curontrack = (Boolean)sdk.GetData("IsOnTrack");
if (curontrack == false && ontrack == true)
{
SaveBestLap();
}
ontrack = curontrack;
if (ontrack)
{
sessionTime = (Double)sdk.GetData("SessionTime");
}
else
{
sessionTime = (Double)sdk.GetData("ReplaySessionTime");
}
if (carIdx >= 0) // skip things that require caridx if we don't have it
{
Int32[] driverLaps = new Int32[64];
driverLaps = (Int32[])sdk.GetData("CarIdxLap");
Single[] driverTrkPos = new Single[64];
driverTrkPos = (Single[])sdk.GetData("CarIdxLapDistPct");
Int32 lapPointer = (Int32)Math.Floor((driverTrkPos[carIdx] % 1) * (trackLength / 10));
timedelta.Update(sessionTime, driverTrkPos);
if (driverTrkPos[carIdx] < 0.1 && lastTickTrackPos > 0.9)
{
Double distance = (1 - lastTickTrackPos) + driverTrkPos[carIdx];
Double time = sessionTime - lastTickTime;
Double tickCorrection = (1 - lastTickTrackPos) / distance;
// save lap time
if (lapTimeValid)
{
Double laptime = (sessionTime - (1 - tickCorrection) * time) - lapStartTime;
prevlap = new TimeSpan(0, 0, 0, (Int32)Math.Floor(laptime), (Int32)Math.Floor((laptime % 1) * 1000));
fuelcons[fuelconsPtr % fuelcons.Length] = (Single)sdk.GetData("FuelLevel");
// update fuel consumption after one full lap
if (fuelconsPtr > 0)
{
if (fuelconsPtr >= fuelcons.Length)
{
Single[] consrate = new Single[fuelcons.Length - 1];
Int32 j = 0;
for (int i = fuelconsPtr; i < fuelconsPtr + consrate.Length; i++)
{
consrate[j++] = fuelcons[(i + 1) % fuelcons.Length] - fuelcons[(i + 2) % fuelcons.Length];
}
fuelneed = (Int32)(fuelcons[fuelconsPtr % fuelcons.Length] - (lapsrem * consrate.Average()));
fuelconsumption = consrate.Average();
}
else if (fuelconsPtr > 0)
{
fuelneed = (Int32)(fuelcons[fuelconsPtr % fuelcons.Length] - (lapsrem * fuelcons[(fuelconsPtr - 1) % fuelcons.Length]));
fuelconsumption = fuelcons[(fuelconsPtr - 1) % fuelcons.Length] - fuelcons[fuelconsPtr % fuelcons.Length];
}
}
fuelconsPtr++;
}
// start new lap
lapStartTime = sessionTime - (1 - tickCorrection) * time;
lapTimeValid = true;
}
else if (Math.Abs(driverTrkPos[carIdx] - lastTickTrackPos) > 0.1)
{
// invalidate lap time if jumping too much
lapTimeValid = false;
}
// reset fuel consumption when in pits
TrackLocation[] trackSurface = (iRSDKSharp.TrackLocation[])sdk.GetData("CarIdxTrackSurface");
if (trackSurface[carIdx] == TrackLocation.irsdk_InPitStall)
{
fuelcons = new Single[fuelconslaps];
fuelconsPtr = 0;
}
lastTickTrackPos = driverTrkPos[carIdx]; // save for next tick
lastTickTime = sessionTime;
Int32[] driverCarIdx = new Int32[64];
if (sessiontype == SessionTypes.race)
{
// in race calculate who is infront using trackpct and lap number
for (Int32 i = 0; i < 64; i++)
{
driverTrkPos[i] += (Single)driverLaps[i];
driverCarIdx[i] = i;
}
Array.Sort(driverTrkPos, driverCarIdx);
Array.Reverse(driverCarIdx);
position = (Int32)(Array.IndexOf(driverCarIdx, carIdx) + 1);
delta = timedelta.GetDelta(carIdx, driverCarIdx[Math.Max(position - 2, 0)]);
}
else
{
if (sdk.Header.SessionInfoUpdate != lastSesInfoUpdate)
{
// parse position
String yaml = sdk.GetSessionInfo();
Int32 sessionmatch = yaml.IndexOf(" - SessionNum: " + ((Int32)sdk.GetData("SessionNum")).ToString());
Int32 carmatch = yaml.IndexOf("CarIdx: " + carIdx.ToString(), sessionmatch);
Int32 positionmatch = yaml.LastIndexOf("Position:", carmatch);
if (positionmatch < 0)
{
position = 0;
}
else
{
position = Int32.Parse(yaml.Substring(positionmatch + "Position:".Length, 2));
}
}
delta = timedelta.GetBestLapDelta(driverTrkPos[carIdx] % 1);
}
}
lastSesInfoUpdate = sdk.Header.SessionInfoUpdate;
}
else
{
init = false;
}
}
public void initialize()
{
sdk = new iRacingSDK();
sdk.Startup();
// check connection
if (sdk.IsConnected())
{
String yaml = sdk.GetSessionInfo();
// caridx
Int32 start = yaml.IndexOf("DriverCarIdx: ") + "DriverCarIdx: ".Length;
Int32 end = yaml.IndexOf("\n", start);
carIdx = Int32.Parse(yaml.Substring(start, end - start));
// carname
start = yaml.IndexOf("CarIdx: " + carIdx.ToString(), start);
start = yaml.IndexOf("CarPath: ", start) + "CarPath: ".Length;
end = yaml.IndexOf("\n", start);
if (start < 0)
{
carname = "unknown";
}
else
{
carname = yaml.Substring(start, end - start);
}
// track name
start = yaml.IndexOf("TrackName: ") + "TrackName: ".Length;
end = yaml.IndexOf("\n", start);
if (start < 0)
{
trackname = "unknown";
}
else
{
trackname = yaml.Substring(start, end - start);
}
// track length
start = yaml.IndexOf("TrackLength: ") + "TrackLength: ".Length;
end = yaml.IndexOf("km\n", start);
String dbg = yaml.Substring(start, end - start);
trackLength = (Int32)(Single.Parse(yaml.Substring(start, end - start)) * 1000);
// session types
RegexOptions options = RegexOptions.IgnoreCase | RegexOptions.Compiled;
MatchCollection sessionNums, sessionTypes;
Regex optionRegex = new Regex(@"SessionNum: (\d+)", options);
// Get matches of pattern in yaml
sessionNums = optionRegex.Matches(yaml);
optionRegex = new Regex(@"SessionType: (\w+)", options);
sessionTypes = optionRegex.Matches(yaml);
Int32 currentSessionNum = (Int32)sdk.GetData("SessionNum");
// Iterate matches
for (Int32 ctr = 0; ctr < Math.Min(sessionNums.Count, sessionTypes.Count); ctr++)
{
if (Int32.Parse(sessionNums[ctr].Value.Substring(12)) == currentSessionNum)
{
switch (sessionTypes[ctr].Value.Substring(13).Trim())
{
case "Practice":
sessiontype = iRacing.SessionTypes.practice;
break;
case "Qualify":
sessiontype = iRacing.SessionTypes.qualify;
break;
case "Race":
sessiontype = iRacing.SessionTypes.race;
break;
default:
sessiontype = iRacing.SessionTypes.invalid;
break;
}
}
}
// reset laptimes
lapStartTime = (Double)sdk.GetData("ReplaySessionTime");
lapTimeValid = false;
// fuel consumption, last 5 lap rolling
fuelcons = new Single[fuelconslaps];
fuelconsPtr = 0;
// init timedelta
timedelta = new TimeDelta(trackLength);
timedelta.SaveBestLap(carIdx);
LoadBestLap();
init = true;
}
else // retry next tick
{
init = false;
}
}
private void Loop(CancellationToken cancellationToken)
{
int lastUpdate = -1;
bool hasConnected = false;
while (!cancellationToken.IsCancellationRequested)
{
// Check if we can find the sim
if (sdk.IsConnected())
{
if (!IsConnected)
{
// If this is the first time, raise the Connected event
RaiseEvent(OnStarted, EventArgs.Empty);
connectionSource.TrySetResult();
}
hasConnected = true;
IsConnected = true;
readMutex.WaitOne(8);
// Update telemetry info
TelemetryData = new TelemetryData(sdk);
// Update session info
int newUpdate = sdk.Header.SessionInfoUpdate;
if (newUpdate != lastUpdate)
{
RawSessionData = sdk.GetSessionInfo();
SessionData = deserializer.Deserialize <SessionData>(RawSessionData);
var args = new SessionInfoChangedEventArgs(SessionData, (double)sdk.GetData("SessionTime"));
RaiseEvent(OnSessionInfoChanged, args);
if (lastUpdate == -1)
{
firstDataSource.TrySetResult();
}
lastUpdate = newUpdate;
}
// Send telemetry event now to make sure both data is updated when either event is thrown
var telArgs = new TelemetryInfoChangedEventArgs(TelemetryData, (double)sdk.GetData("SessionTime"));
RaiseEvent(OnTelemetryInfoChanged, telArgs);
}
else if (hasConnected)
{
// We have already been initialized before, so the sim is closing
RaiseEvent(OnStopped, EventArgs.Empty);
SessionData = null;
TelemetryData = null;
sdk.Shutdown();
lastUpdate = -1;
IsConnected = false;
hasConnected = false;
}
else
{
// Have not been initialized before and there is no connection. Try to find the sim.
IsConnected = false;
hasConnected = false;
sdk.Startup();
}
// Sleep for a short amount of time until the next update is available
if (IsConnected)
{
if (waitTime <= 0 || waitTime > 1000)
{
waitTime = 15;
}
Thread.Sleep(waitTime);
}
else
{
// Not connected yet, no need to check every 16 ms, let's try again in some time
Thread.Sleep(ConnectSleepTime);
}
}
sdk.Shutdown();
IsConnected = false;
}
private static string callbackCamera = "TV1"; // camera group to switch to when the client requests it
static void Main(string[] args)
{
sdk = new iRacingSDK();
int lastUpdate = -1;
//setup WebSocketServer
var allSockets = new List <IWebSocketConnection>();
var server = new WebSocketServer("ws://localhost:8181");
server.Start(socket =>
{
socket.OnOpen = () =>
{
Console.WriteLine("Client Connected");
allSockets.Add(socket);
};
socket.OnClose = () =>
{
Console.WriteLine("Client Disconnected");
allSockets.Remove(socket);
};
socket.OnMessage = message =>
{
Console.WriteLine("Received -> " + message);
int groupNum = cameras[callbackCamera];
sdk.BroadcastMessage(BroadcastMessageTypes.CamSwitchNum, Convert.ToInt32(message), groupNum, 0);
};
});
while (true)
{
if (sdk.IsConnected())
{
//If it is connected then see if the Session Info has been updated
int newUpdate = sdk.Header.SessionInfoUpdate;
if (telemData.getTrackId() == 0)
{
telemData.setTrackId(Convert.ToInt32(YamlParser.Parse(sdk.GetSessionInfo(), "WeekendInfo:TrackID:")));
DiscoverCameras();
}
if (newUpdate != lastUpdate)
{
// Session Info updated (e.g. perhaps a client has connected/disconnected)
lastUpdate = newUpdate;
// Update the current Driver list
string yaml = sdk.GetSessionInfo();
length = yaml.Length;
start = yaml.IndexOf("DriverInfo:\n", 0, length);
end = yaml.IndexOf("\n\n", start, length - start);
string DriverInfo = yaml.Substring(start, end - start);
ParseDrivers(DriverInfo);
}
UpdateDriverPositions(drivers);
foreach (var socket in allSockets.ToList())
{
Console.WriteLine("Broadcast sent...");
Console.WriteLine(telemData.toJson());
socket.Send(telemData.toJson());
}
}
else if (sdk.IsInitialized)
{
drivers.Clear();
cameras.Clear();
telemData.setTrackId(0);
sdk.Shutdown();
lastUpdate = -1;
}
else
{
drivers.Clear();
cameras.Clear();
telemData.setTrackId(0);
Console.WriteLine("NOT CONNECTED!");
sdk.Startup();
}
System.Threading.Thread.Sleep(1000);
}
}
public void initialize()
{
sdk = new iRacingSDK();
sdk.Startup();
// check connection
if (sdk.IsConnected())
{
String yaml = sdk.GetSessionInfo();
// caridx
Int32 start = yaml.IndexOf("DriverCarIdx: ") + "DriverCarIdx: ".Length;
Int32 end = yaml.IndexOf("\n", start);
carIdx = Int32.Parse(yaml.Substring(start, end - start));
// carname
start = yaml.IndexOf("CarIdx: " + carIdx.ToString(), start);
start = yaml.IndexOf("CarPath: ", start) + "CarPath: ".Length;
end = yaml.IndexOf("\n", start);
if (start < 0)
carname = "unknown";
else
carname = yaml.Substring(start, end - start);
// track name
start = yaml.IndexOf("TrackName: ") + "TrackName: ".Length;
end = yaml.IndexOf("\n", start);
if (start < 0)
trackname = "unknown";
else
trackname = yaml.Substring(start, end - start);
// track length
start = yaml.IndexOf("TrackLength: ") + "TrackLength: ".Length;
end = yaml.IndexOf("km\n", start);
String dbg = yaml.Substring(start, end - start);
trackLength = (Int32)(Single.Parse(yaml.Substring(start, end - start)) * 1000);
// session types
RegexOptions options = RegexOptions.IgnoreCase | RegexOptions.Compiled;
MatchCollection sessionNums, sessionTypes;
Regex optionRegex = new Regex(@"SessionNum: (\d+)", options);
// Get matches of pattern in yaml
sessionNums = optionRegex.Matches(yaml);
optionRegex = new Regex(@"SessionType: (\w+)", options);
sessionTypes = optionRegex.Matches(yaml);
Int32 currentSessionNum = (Int32)sdk.GetData("SessionNum");
// Iterate matches
for (Int32 ctr = 0; ctr < Math.Min(sessionNums.Count, sessionTypes.Count); ctr++)
{
if (Int32.Parse(sessionNums[ctr].Value.Substring(12)) == currentSessionNum)
{
switch (sessionTypes[ctr].Value.Substring(13).Trim())
{
case "Practice":
sessiontype = iRacing.SessionTypes.practice;
break;
case "Qualify":
sessiontype = iRacing.SessionTypes.qualify;
break;
case "Race":
sessiontype = iRacing.SessionTypes.race;
break;
default:
sessiontype = iRacing.SessionTypes.invalid;
break;
}
}
}
// reset laptimes
lapStartTime = (Double)sdk.GetData("ReplaySessionTime");
lapTimeValid = false;
// fuel consumption, last 5 lap rolling
fuelcons = new Single[fuelconslaps];
fuelconsPtr = 0;
// init timedelta
timedelta = new TimeDelta(trackLength);
timedelta.SaveBestLap(carIdx);
LoadBestLap();
init = true;
}
else // retry next tick
{
init = false;
}
}
