public override void Drive(FlightCtrlState s)
{
if (landStep == LandStep.OFF)
{
return;
}
descentSpeedPolicy = PickDescentSpeedPolicy();
predictor.descentSpeedPolicy = PickDescentSpeedPolicy(); //create a separate IDescentSpeedPolicy object for the simulation
predictor.endAltitudeASL = DecelerationEndAltitude();
prediction = predictor.GetResult(); //grab a reference to the current result, in case a new one comes in while we're doing stuff
if (!PredictionReady && landStep != LandStep.DEORBIT_BURN && landStep != LandStep.PLANE_CHANGE && landStep != LandStep.LOW_DEORBIT_BURN &&
landStep != LandStep.UNTARGETED_DEORBIT && landStep != LandStep.FINAL_DESCENT)
{
return;
}
switch (landStep)
{
case LandStep.UNTARGETED_DEORBIT:
DriveUntargetedDeorbit(s);
break;
case LandStep.PLANE_CHANGE:
DrivePlaneChange(s);
break;
case LandStep.LOW_DEORBIT_BURN:
DriveLowDeorbitBurn(s);
break;
case LandStep.DEORBIT_BURN:
DriveDeorbitBurn(s);
break;
case LandStep.COURSE_CORRECTIONS:
DriveCourseCorrections(s);
break;
case LandStep.KILLING_HORIZONTAL_VELOCITY:
DriveKillHorizontalVelocity(s);
break;
case LandStep.FINAL_DESCENT:
DriveUntargetedLanding(s);
break;
default:
break;
}
}
public override void Drive(FlightCtrlState s)
{
if (!active)
{
return;
}
// If the latest prediction is a landing, aerobrake or no-reentry prediciton then keep it.
// However if it is any other sort or result it is not much use to us, so do not bother!
{
ReentrySimulation.Result result = predictor.GetResult();
if (null != result)
{
if (result.outcome != ReentrySimulation.Outcome.ERROR && result.outcome != ReentrySimulation.Outcome.TIMED_OUT)
{
this.prediction = result;
}
}
}
{
ReentrySimulation.Result result = predictor.GetErrorResult();
if (null != result)
{
if (result.outcome != ReentrySimulation.Outcome.ERROR && result.outcome != ReentrySimulation.Outcome.TIMED_OUT)
{
this.errorPrediction = result;
}
}
}
descentSpeedPolicy = PickDescentSpeedPolicy();
predictor.descentSpeedPolicy = PickDescentSpeedPolicy(); //create a separate IDescentSpeedPolicy object for the simulation
predictor.decelEndAltitudeASL = DecelerationEndAltitude();
predictor.parachuteSemiDeployMultiplier = this.parachutePlan.Multiplier;
// Consider lowering the langing gear
{
double minalt = Math.Min(vesselState.altitudeBottom, Math.Min(vesselState.altitudeASL, vesselState.altitudeTrue));
if (deployGears && !deployedGears && (minalt < 1000))
{
DeployLandingGears();
}
}
base.Drive(s);
}
void DrawGUIPrediction()
{
ReentrySimulation.Result result = predictor.GetResult();
if (result != null)
{
switch (result.outcome)
{
case ReentrySimulation.Outcome.LANDED:
GUILayout.Label("Landing Predictions:");
GUILayout.Label(Coordinates.ToStringDMS(result.endPosition.latitude, result.endPosition.longitude) + "\nASL:" + MuUtils.ToSI(result.endASL, -1, 4) + "m");
GUILayout.Label(ScienceUtil.GetExperimentBiome(result.body, result.endPosition.latitude, result.endPosition.longitude));
double error = Vector3d.Distance(mainBody.GetRelSurfacePosition(result.endPosition.latitude, result.endPosition.longitude, 0),
mainBody.GetRelSurfacePosition(core.target.targetLatitude, core.target.targetLongitude, 0));
GUILayout.Label("Target difference = " + MuUtils.ToSI(error, 0) + "m"
+ "\nMax drag: " + result.maxDragGees.ToString("F1") + "g"
+ "\nDelta-v needed: " + result.deltaVExpended.ToString("F1") + "m/s"
+ "\nTime to land: " + GuiUtils.TimeToDHMS(result.endUT - Planetarium.GetUniversalTime(), 1));
break;
case ReentrySimulation.Outcome.AEROBRAKED:
GUILayout.Label("Predicted orbit after aerobraking:");
Orbit o = result.EndOrbit();
if (o.eccentricity > 1)
{
GUILayout.Label("Hyperbolic, eccentricity = " + o.eccentricity.ToString("F2"));
}
else
{
GUILayout.Label(MuUtils.ToSI(o.PeA, 3) + "m x " + MuUtils.ToSI(o.ApA, 3) + "m");
}
GUILayout.Label("Max drag: " + result.maxDragGees.ToString("F1") + "g"
+ "\nExit atmosphere in: " + GuiUtils.TimeToDHMS(result.endUT - Planetarium.GetUniversalTime(), 1));
break;
case ReentrySimulation.Outcome.NO_REENTRY:
GUILayout.Label("Orbit does not reenter:\n"
+ MuUtils.ToSI(orbit.PeA, 3) + "m Pe > " + MuUtils.ToSI(mainBody.RealMaxAtmosphereAltitude(), 3) + "m atmosphere height");
break;
case ReentrySimulation.Outcome.TIMED_OUT:
GUILayout.Label("Reentry simulation timed out.");
break;
}
}
}
void DrawGUIPrediction()
{
ReentrySimulation.Result result = predictor.GetResult();
if (result != null)
{
switch (result.outcome)
{
case ReentrySimulation.Outcome.LANDED:
GUILayout.Label("Predicted landing site:");
GUILayout.Label(Coordinates.ToStringDMS(result.endPosition.latitude, result.endPosition.longitude));
double error = Vector3d.Distance(mainBody.GetRelSurfacePosition(result.endPosition.latitude, result.endPosition.longitude, 0),
mainBody.GetRelSurfacePosition(core.target.targetLatitude, core.target.targetLongitude, 0));
GUILayout.Label("Difference from target = " + MuUtils.ToSI(error, 0) + "m");
if (result.maxDragGees > 0)
{
GUILayout.Label("Predicted max drag gees: " + result.maxDragGees.ToString("F1"));
}
break;
case ReentrySimulation.Outcome.AEROBRAKED:
GUILayout.Label("Predicted orbit after aerobraking:");
Orbit o = result.EndOrbit();
if (o.eccentricity > 1)
{
GUILayout.Label("Hyperbolic, eccentricity = " + o.eccentricity.ToString("F2"));
}
else
{
GUILayout.Label(MuUtils.ToSI(o.PeA, 3) + "m x " + MuUtils.ToSI(o.ApA, 3) + "m");
}
break;
case ReentrySimulation.Outcome.NO_REENTRY:
GUILayout.Label("Orbit does not reenter:");
GUILayout.Label(MuUtils.ToSI(orbit.PeA, 3) + "m Pe > " + MuUtils.ToSI(mainBody.RealMaxAtmosphereAltitude(), 3) + "m atmosphere height");
break;
case ReentrySimulation.Outcome.TIMED_OUT:
GUILayout.Label("Reentry simulation timed out.");
break;
}
}
}
