/// <summary>
/// Generates a few random <see cref="LocationFix"/>es to act like a real GPS sensor.
/// </summary>
/// <param name="requestEnvelope">The <see cref="RequestEnvelope"/> these <see cref="LocationFix"/>es are used for.</param>
/// <param name="timestampSinceStart">The milliseconds passed since starting the <see cref="Session"/> used by the current <see cref="RequestEnvelope"/>.</param>
/// <returns></returns>
private List <LocationFix> BuildLocationFixes(RequestEnvelope requestEnvelope, long timestampSinceStart)
{
var locationFixes = new List <LocationFix>();
if (requestEnvelope.Requests.Count == 0 || requestEnvelope.Requests[0] == null)
{
return(locationFixes);
}
var providerCount = _session.Random.Next(4, 10);
for (var i = 0; i < providerCount; i++)
{
var timestampSnapshot = timestampSinceStart + (150 * (i + 1) + _session.Random.Next(250 * (i + 1) - 150 * (i + 1)));
if (timestampSnapshot >= timestampSinceStart)
{
if (locationFixes.Count != 0)
{
break;
}
timestampSnapshot = timestampSinceStart - _session.Random.Next(20, 50);
if (timestampSnapshot < 0)
{
timestampSnapshot = 0;
}
}
locationFixes.Insert(0, new LocationFix
{
TimestampSnapshot = (ulong)timestampSnapshot,
Latitude = LocationUtil.OffsetLatitudeLongitude(_session.Player.Coordinate.Latitude, _session.Random.Next(100) + 10),
Longitude = LocationUtil.OffsetLatitudeLongitude(_session.Player.Coordinate.Longitude, _session.Random.Next(100) + 10),
HorizontalAccuracy = (float)_session.Random.NextDouble(5.0, 25.0),
VerticalAccuracy = (float)_session.Random.NextDouble(5.0, 25.0),
Altitude = (float)_session.Random.NextDouble(10.0, 30.0),
Provider = "fused",
ProviderStatus = 3,
LocationType = 1,
// Speed = ?,
Course = -1,
// Floor = 0
});
}
return(locationFixes);
}
/// <summary>
/// Generates a few random <see cref="LocationFix"/>es to act like a real GPS sensor.
/// </summary>
/// <param name="requestEnvelope">The <see cref="RequestEnvelope"/> these <see cref="LocationFix"/>es are used for.</param>
/// <param name="timestampSinceStart">The milliseconds passed since starting the <see cref="Session"/> used by the current <see cref="RequestEnvelope"/>.</param>
/// <returns></returns>
private List <LocationFix> BuildLocationFixes(RequestEnvelope requestEnvelope, long timestampSinceStart)
{
var locationFixes = new List <LocationFix>();
try
{
if (requestEnvelope.Requests.Count == 0 || requestEnvelope.Requests[0] == null)
{
return(locationFixes);
}
// Determine amount of location fixes.
// We look for the amount of seconds that have passed since the last location fixes request.
// If that results in 0, send 1 location fix.
var millisecondsPerFix = _session.Random.Next(995, 999);
var providerCount = Math.Min((timestampSinceStart - _lastTimestampSinceStart) / millisecondsPerFix, _session.Random.Next(8, 11));
if (providerCount == 0)
{
providerCount = 1;
}
// Determine size of the "play around" window.
// Not so relevant when starting up.
var totalMilliseconds = providerCount * millisecondsPerFix;
var baseTimestampSnapshot = Math.Max(timestampSinceStart - totalMilliseconds, 0);
var playAroundWindow = baseTimestampSnapshot - _lastTimestampSinceStart;
if (playAroundWindow == 0 && providerCount == 1 && millisecondsPerFix >= timestampSinceStart)
{
// We really need an offset for this one..
playAroundWindow = _session.Random.Next(0, (int)timestampSinceStart);
}
else
{
// A small offset between location fixes.
playAroundWindow = Math.Min(playAroundWindow, providerCount * 2);
}
// Share "play around" window over all location fixes.
var playAroundWindowPart = playAroundWindow != 0
? playAroundWindow / providerCount
: 1;
for (var i = 0; i < providerCount; i++)
{
var timestampSnapshot = baseTimestampSnapshot;
// Apply current location fix position.
timestampSnapshot += i * millisecondsPerFix;
// Apply an offset.
timestampSnapshot += _session.Random.Next(0, (int)((i + 1) * Math.Abs(playAroundWindowPart)));
locationFixes.Add(new LocationFix
{
TimestampSnapshot = (ulong)timestampSnapshot,
Latitude = LocationUtil.OffsetLatitudeLongitude(_session.Player.Coordinate.Latitude, _session.Random.Next(100) + 10),
Longitude = LocationUtil.OffsetLatitudeLongitude(_session.Player.Coordinate.Longitude, _session.Random.Next(100) + 10),
HorizontalAccuracy = (float)_session.Random.NextDouble(5.0, 25.0),
VerticalAccuracy = (float)_session.Random.NextDouble(5.0, 25.0),
Altitude = (float)_session.Random.NextDouble(10.0, 30.0),
Provider = "fused",
ProviderStatus = 3,
LocationType = 1,
Course = -1,
Speed = -1
// Floor = 0
});
}
_lastTimestampSinceStart = timestampSinceStart;
}
catch (Exception ex)
{
}
return(locationFixes);
}