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Add additional orbital parameters to sim UI #2473

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Add additional orbital parameters to sim UI #2473

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Add additional orbital parameters to sim UI
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@siimav
siimav committed Jan 5, 2025
commit d401e65ee3141af56a06a8eb3305d4941c8085d6
2 changes: 1 addition & 1 deletion Source/RP0/SpaceCenter/SimulationParams.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ public CelestialBody SimulationBody
public bool SimulateInOrbit, DisableFailures;
public bool IsVesselMoved;
[Persistent]
public double SimulationUT, SimOrbitAltitude, SimInclination;
public double SimulationUT, SimOrbitAltitude, SimOrbitPe, SimOrbitAp, SimInclination, SimLAN;
[Persistent]
public int DelayMoveSeconds;

Expand Down
22 changes: 20 additions & 2 deletions Source/RP0/SpaceCenter/SpaceCenterManagement.cs
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Expand Up @@ -1286,8 +1286,26 @@ private void ProcessSimulation()
private static IEnumerator SetSimOrbit(SimulationParams simParams)
{
yield return new WaitForEndOfFrame();
RP0Debug.Log($"Moving vessel to orbit. {simParams.SimulationBody.bodyName}:{simParams.SimOrbitAltitude}:{simParams.SimInclination}");
HyperEdit_Utilities.PutInOrbitAround(simParams.SimulationBody, simParams.SimOrbitAltitude, simParams.SimInclination);

CelestialBody body = simParams.SimulationBody;
if (simParams.SimOrbitAp == 0 && simParams.SimOrbitPe == 0)
{
double sma = simParams.SimOrbitAltitude + body.Radius;
double ecc = 0.0000001; // Just a really smol value to prevent Ap and Pe from flickering around
RP0Debug.Log($"Moving vessel to orbit. {body.bodyName}:{simParams.SimOrbitAltitude}:{simParams.SimInclination}");
FlightGlobals.fetch.SetShipOrbit(body.flightGlobalsIndex, ecc, sma, simParams.SimInclination, simParams.SimLAN, 0.0, 0.0, 0.0);
FloatingOrigin.ResetTerrainShaderOffset();
}
else
{
double ra = simParams.SimOrbitAp + body.Radius;
double rp = simParams.SimOrbitPe + body.Radius;
double sma = (ra + rp) / 2;
double ecc = (ra - rp) / (ra + rp);
RP0Debug.Log($"Moving vessel to orbit. {body.bodyName}:{simParams.SimOrbitPe}/{simParams.SimOrbitAp}:{simParams.SimInclination}");
FlightGlobals.fetch.SetShipOrbit(body.flightGlobalsIndex, ecc, sma, simParams.SimInclination, simParams.SimLAN, Math.PI, 0.0, 0.0);
FloatingOrigin.ResetTerrainShaderOffset();
}
}

private void AddSimulationWatermark()
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84 changes: 70 additions & 14 deletions Source/RP0/UI/KCT/GUI_Simulation.cs
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Expand Up @@ -10,8 +10,9 @@ public static partial class KCT_GUI
private static Rect _simulationConfigPosition = new Rect((Screen.width / 2) - 150, (Screen.height / 4), 300, 1);
private static Vector2 _bodyChooserScrollPos;

private static string _sOrbitAlt = "", _sOrbitInc = "", _UTString = "", _sDelay = "0";
private static string _sOrbitAlt = "", _sOrbitPe = "", _sOrbitAp = "", _sOrbitInc = "", _sOrbitLAN = "", _UTString = "", _sDelay = "0";
private static bool _fromCurrentUT = true;
private static bool _circOrbit = true;

public static void DrawSimulationWindow(int windowID)
{
Expand Down Expand Up @@ -72,20 +73,35 @@ public static void DrawSimulationConfigure(int windowID)
if (simParams.SimulationBody == Planetarium.fetch.Home)
{
bool changed = simParams.SimulateInOrbit;
simParams.SimulateInOrbit = GUILayout.Toggle(simParams.SimulateInOrbit, " Start in orbit?");
simParams.SimulateInOrbit = GUILayout.Toggle(simParams.SimulateInOrbit, " Start in orbit");
if (simParams.SimulateInOrbit != changed)
_simulationConfigPosition.height = 1;
}
if (simParams.SimulationBody != Planetarium.fetch.Home || simParams.SimulateInOrbit)
{
GUILayout.BeginHorizontal();
GUILayout.Label("Orbit Altitude (km): ");
_sOrbitAlt = GUILayout.TextField(_sOrbitAlt, GUILayout.Width(100));
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
GUILayout.Label("Min: " + simParams.SimulationBody.atmosphereDepth / 1000);
GUILayout.Label("Max: " + Math.Floor(simParams.SimulationBody.sphereOfInfluence) / 1000);
GUILayout.EndHorizontal();
_circOrbit = GUILayout.Toggle(_circOrbit, "Circular");
if (_circOrbit)
{
GUILayout.BeginHorizontal();
GUILayout.Label("Orbit Altitude (km): ");
_sOrbitAlt = GUILayout.TextField(_sOrbitAlt, GUILayout.Width(100));
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
GUILayout.Label("Min: " + simParams.SimulationBody.atmosphereDepth / 1000);
GUILayout.Label("Max: " + Math.Floor((simParams.SimulationBody.sphereOfInfluence - simParams.SimulationBody.Radius) / 1000));
GUILayout.EndHorizontal();
}
else
{
GUILayout.BeginHorizontal();
GUILayout.Label("Orbit Periapsis (km): ");
_sOrbitPe = GUILayout.TextField(_sOrbitPe, GUILayout.Width(100));
GUILayout.EndHorizontal();
GUILayout.BeginHorizontal();
GUILayout.Label("Orbit Apoapsis (km): ");
_sOrbitAp = GUILayout.TextField(_sOrbitAp, GUILayout.Width(100));
GUILayout.EndHorizontal();
}

if (!simParams.SimulateInOrbit) simParams.SimulateInOrbit = true;
}
Expand All @@ -101,6 +117,11 @@ public static void DrawSimulationConfigure(int windowID)
GUILayout.Label("Inclination: ");
_sOrbitInc = GUILayout.TextField(_sOrbitInc, GUILayout.Width(50));
GUILayout.EndHorizontal();

GUILayout.BeginHorizontal();
GUILayout.Label("LAN: ");
_sOrbitLAN = GUILayout.TextField(_sOrbitLAN, GUILayout.Width(50));
GUILayout.EndHorizontal();
}

GUILayout.Space(4);
Expand Down Expand Up @@ -174,20 +195,45 @@ private static void StartSim(SimulationParams simParams)
return;
}

if (simParams.SimulationBody != Planetarium.fetch.Home)
CelestialBody body = simParams.SimulationBody;

if (body != Planetarium.fetch.Home)
simParams.SimulateInOrbit = true;

if (simParams.SimulateInOrbit)
{
if (!double.TryParse(_sOrbitAlt, out simParams.SimOrbitAltitude))
simParams.SimOrbitAltitude = simParams.SimulationBody.atmosphere ? simParams.SimulationBody.atmosphereDepth + 20000 : 20000;
if (_circOrbit)
{
if (!double.TryParse(_sOrbitAlt, out simParams.SimOrbitAltitude))
simParams.SimOrbitAltitude = GetDefaultAltitudeForBody(body);
else
simParams.SimOrbitAltitude = EnsureSafeMaxAltitude(1000 * simParams.SimOrbitAltitude, body);

simParams.SimOrbitPe = simParams.SimOrbitAp = 0;
}
else
simParams.SimOrbitAltitude = Math.Min(Math.Max(1000 * simParams.SimOrbitAltitude, simParams.SimulationBody.atmosphereDepth), simParams.SimulationBody.sphereOfInfluence);
{
if (!double.TryParse(_sOrbitPe, out simParams.SimOrbitPe))
simParams.SimOrbitPe = GetDefaultAltitudeForBody(body);

if (!double.TryParse(_sOrbitAp, out simParams.SimOrbitAp))
simParams.SimOrbitAp = GetDefaultAltitudeForBody(body);

simParams.SimOrbitAp = EnsureSafeMaxAltitude(1000 * simParams.SimOrbitAp, body);
simParams.SimOrbitPe = Math.Min(1000 * simParams.SimOrbitPe, simParams.SimOrbitAp);

simParams.SimOrbitAltitude = 0;
}

if (!double.TryParse(_sOrbitInc, out simParams.SimInclination))
simParams.SimInclination = 0;
else
simParams.SimInclination %= 360;

if (!double.TryParse(_sOrbitLAN, out simParams.SimLAN))
simParams.SimLAN = 0;
else
simParams.SimLAN %= 360;
}

double currentUT = Planetarium.GetUniversalTime();
Expand Down Expand Up @@ -256,5 +302,15 @@ private static void StartSim(SimulationParams simParams)
FlightDriver.StartWithNewLaunch(tempFile, EditorLogic.FlagURL, launchSiteName, manifest);
}));
}

private static double EnsureSafeMaxAltitude(double altitudeMeters, CelestialBody body)
{
return Math.Min(Math.Max(altitudeMeters, body.atmosphereDepth), body.sphereOfInfluence - body.Radius - 1000);
}

private static double GetDefaultAltitudeForBody(CelestialBody body)
{
return body.atmosphere ? body.atmosphereDepth + 20000 : 20000;
}
}
}
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