private static string SelectorText(FrameType type,
CelestialBody selected)
{
string abbreviation = Abbreviation(type, selected);
if (abbreviation != null)
{
return(abbreviation);
}
switch (type)
{
case FrameType.BODY_CENTRED_NON_ROTATING:
return(L10N.CacheFormat(
"#Principia_ReferenceFrameSelector_SelectorText_BodyCentredNonRotating"));
case FrameType.BARYCENTRIC_ROTATING:
return("DEPRECATED");
case FrameType.BODY_CENTRED_PARENT_DIRECTION:
return(L10N.CacheFormat(
"#Principia_ReferenceFrameSelector_SelectorText_BodyCentredParentDirection"));
case FrameType.BODY_SURFACE:
return(L10N.CacheFormat(
"#Principia_ReferenceFrameSelector_SelectorText_BodySurface"));
default:
throw Log.Fatal("Unexpected type " + type.ToString());
}
}
private static string TargetFrameDescription(Vessel target)
{
return(L10N.CacheFormat(
"#Principia_ReferenceFrameSelector_Description_Target",
target.vesselName,
target.orbit.referenceBody.Name()));
}
private static string SelectorTooltip(FrameType type,
CelestialBody selected)
{
string name = Name(type, selected);
switch (type)
{
case FrameType.BODY_CENTRED_NON_ROTATING:
return(L10N.CacheFormat(
"#Principia_ReferenceFrameSelector_Tooltip_BodyCentredNonRotating",
name,
selected.Name()));
case FrameType.BARYCENTRIC_ROTATING:
return("DEPRECATED");
case FrameType.BODY_CENTRED_PARENT_DIRECTION:
return(L10N.CacheFormat(
"#Principia_ReferenceFrameSelector_Tooltip_BodyCentredParentDirection",
name,
selected.Name()));
case FrameType.BODY_SURFACE:
return(L10N.CacheFormat(
"#Principia_ReferenceFrameSelector_Tooltip_BodySurface",
name,
selected.Name()));
default:
throw Log.Fatal("Unexpected type " + type.ToString());
}
}
protected override void RenderWindowContents(int window_id)
{
using (new UnityEngine.GUILayout.VerticalScope()) {
UnityEngine.GUILayout.Label(
L10N.CacheFormat(
"#Principia_ReferenceFrameSelector_Description_Heading",
Name(),
Abbreviation()));
UnityEngine.GUILayout.Label(
target_frame_selected ? TargetFrameDescription(target)
: Description(frame_type, selected_celestial),
Style.Multiline(UnityEngine.GUI.skin.label),
GUILayoutHeight(3));
using (new UnityEngine.GUILayout.HorizontalScope()) {
// Left-hand side: tree view of celestials.
using (new UnityEngine.GUILayout.VerticalScope(GUILayoutWidth(8))) {
RenderSubtree(celestial: Planetarium.fetch.Sun, depth: 0);
}
// Right-hand side: toggles for reference frame type selection.
using (new UnityEngine.GUILayout.VerticalScope()) {
RenderSubtreeToggleGrid(Planetarium.fetch.Sun);
}
}
}
UnityEngine.GUI.DragWindow();
}
private void RenderOrbitGroundTrack(OrbitGroundTrack?ground_track,
CelestialBody primary)
{
using (new UnityEngine.GUILayout.HorizontalScope()) {
UnityEngine.GUILayout.Label(
L10N.CacheFormat(
"#Principia_OrbitAnalyser_GroundTrack_LongitudesOfEquatorialCrossings_Prefix"),
UnityEngine.GUILayout.ExpandWidth(false));
string text = UnityEngine.GUILayout.TextField(
$"{ground_track_revolution_}",
GUILayoutWidth(2));
UnityEngine.GUILayout.Label(
L10N.CacheFormat(
"#Principia_OrbitAnalyser_GroundTrack_LongitudesOfEquatorialCrossings_Suffix"));
if (int.TryParse(text, out int revolution))
{
ground_track_revolution_ = revolution;
}
}
var equatorial_crossings = ground_track?.equatorial_crossings;
LabeledField(
L10N.CacheFormat("#Principia_OrbitAnalyser_GroundTrack_AscendingPass"),
equatorial_crossings?.longitudes_reduced_to_ascending_pass.
FormatEquatorialAngleInterval(primary));
LabeledField(
L10N.CacheFormat("#Principia_OrbitAnalyser_GroundTrack_DescendingPass"),
equatorial_crossings?.longitudes_reduced_to_descending_pass.
FormatEquatorialAngleInterval(primary));
}
private void RenderLowestAltitude(OrbitalElements?elements,
CelestialBody primary)
{
double?lowest_distance = elements?.radial_distance.min;
LabeledField(
L10N.CacheFormat("#Principia_OrbitAnalyser_Elements_LowestAltitude"),
(lowest_distance - primary?.Radius)?.FormatAltitude());
double?lowest_primary_distance = primary?.ocean == true
? primary.Radius
: primary?.pqsController?.radiusMin;
string altitude_warning =
lowest_distance < lowest_primary_distance
?
L10N.CacheFormat("#Principia_OrbitAnalyser_Warning_Collision")
: lowest_distance < primary?.pqsController?.radiusMax
? L10N.CacheFormat(
"#Principia_OrbitAnalyser_Warning_CollisionRisk")
: lowest_distance < primary?.Radius + primary?.atmosphereDepth
? L10N.CacheFormat(
"#Principia_OrbitAnalyser_Warning_Reentry")
: "";
UnityEngine.GUILayout.Label(altitude_warning,
Style.Warning(UnityEngine.GUI.skin.label));
}
private static string TargetFrameSelectorTooltip(Vessel target)
{
string name = TargetFrameName(target);
return(L10N.CacheFormat(
"#Principia_ReferenceFrameSelector_Tooltip_Target",
name));
}
protected override string ButtonText(string orbit_description)
{
return(orbit_description == null
? L10N.CacheFormat(
"#Principia_PlannedOrbitAnalyser_ToggleButton")
: L10N.CacheFormat(
"#Principia_PlannedOrbitAnalyser_ToggleButtonWithDescription",
orbit_description));
}
public void RenderButton()
{
if (UnityEngine.GUILayout.Button(
L10N.CacheFormat("#Principia_ReferenceFrameSelector_ToggleButton",
name_,
Name())))
{
Toggle();
}
}
private static string FormatOrNull(string template, params object[] args)
{
// Optional translations include the language name so that they do not fall
// back to English.
string qualified_template = $"{template}.{UILanguage()}";
if (!Localizer.Tags.ContainsKey(qualified_template))
{
return(null);
}
return(L10N.CacheFormat(qualified_template, args));
}
public BurnEditor(PrincipiaPluginAdapter adapter,
Vessel vessel,
double initial_time,
int index,
Func <int, BurnEditor> get_burn_at_index)
{
adapter_ = adapter;
vessel_ = vessel;
initial_time_ = initial_time;
this.index = index;
get_burn_at_index_ = get_burn_at_index;
Δv_tangent_ = new DifferentialSlider(
label: L10N.CacheFormat("#Principia_BurnEditor_ΔvTangent"),
unit: L10N.CacheFormat("#Principia_BurnEditor_SpeedUnit"),
log10_lower_rate: log10_Δv_lower_rate,
log10_upper_rate: log10_Δv_upper_rate,
text_colour: Style.Tangent);
Δv_normal_ = new DifferentialSlider(
label: L10N.CacheFormat("#Principia_BurnEditor_ΔvNormal"),
unit: L10N.CacheFormat("#Principia_BurnEditor_SpeedUnit"),
log10_lower_rate: log10_Δv_lower_rate,
log10_upper_rate: log10_Δv_upper_rate,
text_colour: Style.Normal);
Δv_binormal_ = new DifferentialSlider(
label: L10N.CacheFormat("#Principia_BurnEditor_ΔvBinormal"),
unit: L10N.CacheFormat("#Principia_BurnEditor_SpeedUnit"),
log10_lower_rate: log10_Δv_lower_rate,
log10_upper_rate: log10_Δv_upper_rate,
text_colour: Style.Binormal);
previous_coast_duration_ = new DifferentialSlider(
label:
L10N.CacheFormat("#Principia_BurnEditor_InitialTime"),
unit: null,
log10_lower_rate: log10_time_lower_rate,
log10_upper_rate: log10_time_upper_rate,
// We cannot have a coast of length 0, so let's make it very
// short: that will be indistinguishable.
zero_value: 0.001,
min_value: 0,
formatter: FormatPreviousCoastDuration,
parser: TryParsePreviousCoastDuration,
field_width: 7)
{
value = initial_time_ - time_base
};
reference_frame_selector_ = new ReferenceFrameSelector(
adapter_,
ReferenceFrameChanged,
L10N.CacheFormat("#Principia_BurnEditor_ManœuvringFrame"));
reference_frame_selector_.SetFrameParameters(
adapter_.plotting_frame_selector_.FrameParameters());
ComputeEngineCharacteristics();
}
private void RenderOrbitalElements(OrbitalElements?elements,
CelestialBody primary)
{
LabeledField(
L10N.CacheFormat("#Principia_OrbitAnalyser_Elements_SiderealPeriod"),
elements?.sidereal_period.FormatDuration());
LabeledField(
L10N.CacheFormat("#Principia_OrbitAnalyser_Elements_NodalPeriod"),
elements?.nodal_period.FormatDuration());
LabeledField(
L10N.CacheFormat("#Principia_OrbitAnalyser_Elements_AnomalisticPeriod"),
elements?.anomalistic_period.FormatDuration());
LabeledField(
L10N.CacheFormat("#Principia_OrbitAnalyser_Elements_SemimajorAxis"),
elements?.mean_semimajor_axis.FormatLengthInterval());
LabeledField(
L10N.CacheFormat("#Principia_OrbitAnalyser_Elements_Eccentricity"),
elements?.mean_eccentricity.FormatInterval());
LabeledField(
L10N.CacheFormat("#Principia_OrbitAnalyser_Elements_Inclination"),
elements?.mean_inclination.FormatAngleInterval());
LabeledField(
L10N.CacheFormat(
"#Principia_OrbitAnalyser_Elements_LongitudeOfAscendingNode"),
elements?.mean_longitude_of_ascending_nodes.FormatAngleInterval());
LabeledField(
L10N.CacheFormat("#Principia_OrbitAnalyser_Elements_NodalPrecession"),
elements?.nodal_precession.FormatAngularFrequency());
string periapsis = L10N.CelestialString(
"#Principia_OrbitAnalyser_Elements_Periapsis",
new[] { primary });
string apoapsis = L10N.CelestialString(
"#Principia_OrbitAnalyser_Elements_Apoapsis",
new[] { primary });
LabeledField(
L10N.CacheFormat(
"#Principia_OrbitAnalyser_Elements_ArgumentOfPeriapsis",
periapsis),
elements?.mean_argument_of_periapsis.FormatAngleInterval());
LabeledField(
L10N.CacheFormat(
"#Principia_OrbitAnalyser_Elements_MeanPeriapsisAltitude",
periapsis),
elements?.mean_periapsis_distance.FormatLengthInterval(primary.Radius));
LabeledField(
L10N.CacheFormat(
"#Principia_OrbitAnalyser_Elements_MeanApoapsisAltitude",
apoapsis),
elements?.mean_apoapsis_distance.FormatLengthInterval(primary.Radius));
}
// Similar to |FormatAngleInterval|, but annotated with the equivalent
// of the half-width as a distance at the equator in parentheses.
public static string FormatEquatorialAngleInterval(this Interval interval,
CelestialBody primary)
{
double half_width_angle = (interval.max - interval.min) / 2;
if (half_width_angle > Math.PI)
{
return(L10N.CacheFormat("#Principia_OrbitAnalyser_Precesses"));
}
double half_width_distance = half_width_angle * primary.Radius;
string formatted_distance = half_width_distance > 1000
? $"{(half_width_distance / 1000).FormatN(1)} km"
: $"{(half_width_distance).FormatN(0)} m";
return($"{interval.FormatAngleInterval()} ({formatted_distance})");
}
// Displays an interval of angles (given in radians) as midpoint°±half-width°,
// or the string "(precesses)" if the half-width exceeds 180°.
public static string FormatAngleInterval(this Interval interval)
{
double half_width = (interval.max - interval.min) / 2;
double midpoint = interval.min + half_width;
if (half_width > Math.PI)
{
return(L10N.CacheFormat("#Principia_OrbitAnalyser_Precesses"));
}
const double degree = Math.PI / 180;
int fractional_digits =
Math.Max(0, 1 - (int)Math.Floor(Math.Log10(half_width / degree)));
string formatted_midpoint = (midpoint / degree).FormatN(fractional_digits);
string formatted_half_width =
(half_width / degree).FormatN(fractional_digits);
return($"{formatted_midpoint}°±{formatted_half_width}°");
}
private bool RenderSelector <T>(T[] array,
ref int index,
string label,
string format,
bool enabled)
{
bool changed = false;
using (new UnityEngine.GUILayout.HorizontalScope()) {
UnityEngine.GUILayout.Label(text: label,
options: GUILayoutWidth(6));
if (UnityEngine.GUILayout.Button(
text: index == 0
? L10N.CacheFormat(
"#Principia_DiscreteSelector_Min")
: "-",
options: GUILayoutWidth(2)) &&
enabled &&
index != 0)
{
--index;
changed = true;
}
UnityEngine.GUILayout.TextArea(
text: enabled
? string.Format(Culture.culture, format, array[index])
: "",
style: Style.RightAligned(UnityEngine.GUI.skin.textArea),
options: GUILayoutWidth(3));
if (UnityEngine.GUILayout.Button(
text: index == array.Length - 1
? L10N.CacheFormat(
"#Principia_DiscreteSelector_Max")
: "+",
options: GUILayoutWidth(2)) &&
enabled &&
index != array.Length - 1)
{
++index;
changed = true;
}
}
return(changed);
}
private void ComputeRCSCharacteristics()
{
ModuleRCS[] active_rcs = (from part in vessel_.parts
select(from PartModule module in part.Modules
where module is ModuleRCS module_rcs &&
module_rcs.rcsEnabled
select module as ModuleRCS)).
SelectMany(x => x).ToArray();
Vector3d reference_direction = vessel_.ReferenceTransform.up;
// NOTE(egg): NathanKell informs me that in >= 1.0.5, RCS has a useZaxis
// property, that controls whether they thrust -up or -forward. The madness
// keeps piling up.
double[] thrusts = (from engine in active_rcs
select engine.thrusterPower *
(from transform in engine.thrusterTransforms
where transform.gameObject.activeInHierarchy
select Math.Max(0,
Vector3d.Dot(
reference_direction,
-transform.up))).Sum()).
ToArray();
thrust_in_kilonewtons_ = thrusts.Sum();
// This would use zip if we had 4.0 or later. We loop for now.
double Σ_f_over_i_sp = 0;
for (int i = 0; i < active_rcs.Length; ++i)
{
Σ_f_over_i_sp +=
thrusts[i] / active_rcs[i].atmosphereCurve.Evaluate(0);
}
specific_impulse_in_seconds_g0_ = thrust_in_kilonewtons_ / Σ_f_over_i_sp;
// If RCS provides no thrust, model a virtually instant burn.
if (thrust_in_kilonewtons_ == 0)
{
engine_warning_ +=
L10N.CacheFormat("#Principia_BurnEditor_Warning_NoActiveRCS");
UseTheForceLuke();
}
}
public FlightPlanner(PrincipiaPluginAdapter adapter,
PredictedVessel predicted_vessel) : base(
adapter,
predicted_vessel)
{
adapter_ = adapter;
predicted_vessel_ = predicted_vessel;
final_time_ = new DifferentialSlider(
label: L10N.CacheFormat("#Principia_FlightPlan_PlanLength"),
unit: null,
log10_lower_rate: log10_time_lower_rate,
log10_upper_rate: log10_time_upper_rate,
min_value: 10,
max_value: double.PositiveInfinity,
formatter: FormatPlanLength,
parser: TryParsePlanLength,
field_width: 7);
final_trajectory_analyser_ =
new PlannedOrbitAnalyser(adapter, predicted_vessel);
}
private void RenderKSPFeatures()
{
display_patched_conics = UnityEngine.GUILayout.Toggle(
value: display_patched_conics,
text: L10N.CacheFormat(
"#Principia_MainWindow_KspFeature_DisplayPatchedConics"));
if (MapView.MapIsEnabled &&
FlightGlobals.ActiveVessel?.orbitTargeter != null)
{
using (new UnityEngine.GUILayout.HorizontalScope()) {
selecting_target_celestial_ = UnityEngine.GUILayout.Toggle(
selecting_target_celestial_,
L10N.CacheFormat("#Principia_MainWindow_TargetCelestial_Select"));
if (selecting_target_celestial_)
{
selecting_active_vessel_target = false;
}
CelestialBody target_celestial =
FlightGlobals.fetch.VesselTarget as CelestialBody;
if (target_celestial != null)
{
UnityEngine.GUILayout.Label(
L10N.CacheFormat("#Principia_MainWindow_TargetCelestial_Name",
target_celestial.Name()),
UnityEngine.GUILayout.ExpandWidth(true));
if (UnityEngine.GUILayout.Button(
L10N.CacheFormat("#Principia_MainWindow_TargetCelestial_Clear"),
GUILayoutWidth(2)))
{
selecting_target_celestial_ = false;
FlightGlobals.fetch.SetVesselTarget(null);
}
}
}
}
else
{
selecting_target_celestial_ = false;
}
}
protected override void RenderWindow(int window_id)
{
// We must ensure that the GUI elements don't change between Layout and
// Repaint. This means that any state change must occur before Layout or
// after Repaint. This if statement implements the former. It updates the
// vessel and the editors to reflect the current state of the plugin and
// then proceeds with the UI code.
if (UnityEngine.Event.current.type == UnityEngine.EventType.Layout)
{
UpdateVesselAndBurnEditors();
}
// The UI code proper, executed identically for Layout and Repaint. We
// can freely change the state in events like clicks (e.g., in if statements
// for buttons) as these don't happen between Layout and Repaint.
string vessel_guid = predicted_vessel?.id.ToString();
if (vessel_guid == null)
{
return;
}
if (plugin.FlightPlanExists(vessel_guid))
{
RenderFlightPlan(vessel_guid);
}
else if (UnityEngine.GUILayout.Button(
L10N.CacheFormat("#Principia_FlightPlan_Create")))
{
plugin.FlightPlanCreate(vessel_guid,
plugin.CurrentTime() + 3600,
predicted_vessel.GetTotalMass());
final_time_.value_if_different =
plugin.FlightPlanGetDesiredFinalTime(vessel_guid);
Shrink();
}
UnityEngine.GUI.DragWindow();
}
private void ComputeEngineCharacteristics()
{
ModuleEngines[] active_engines =
(from part in vessel_.parts
select(from PartModule module in part.Modules
where (module as ModuleEngines)?.EngineIgnited == true
select module as ModuleEngines)).SelectMany(x => x).ToArray();
Vector3d reference_direction = vessel_.ReferenceTransform.up;
double[] thrusts =
(from engine in active_engines
select
engine.MaxThrustOutputVac(useThrustLimiter: true) *
(from transform in engine.thrustTransforms
select Math.Max(0,
Vector3d.Dot(reference_direction,
-transform.forward))).Average()).
ToArray();
thrust_in_kilonewtons_ = thrusts.Sum();
// This would use zip if we had 4.0 or later. We loop for now.
double Σ_f_over_i_sp = 0;
for (int i = 0; i < active_engines.Length; ++i)
{
Σ_f_over_i_sp +=
thrusts[i] / active_engines[i].atmosphereCurve.Evaluate(0);
}
specific_impulse_in_seconds_g0_ = thrust_in_kilonewtons_ / Σ_f_over_i_sp;
// If there are no engines, fall back onto RCS.
if (thrust_in_kilonewtons_ == 0)
{
engine_warning_ +=
L10N.CacheFormat("#Principia_BurnEditor_Warning_NoActiveEngines");
ComputeRCSCharacteristics();
}
}
public string ReferencePlaneDescription()
{
if (!target_frame_selected &&
(frame_type == FrameType.BODY_CENTRED_NON_ROTATING ||
frame_type == FrameType.BODY_SURFACE))
{
return(L10N.CacheFormat(
"#Principia_ReferenceFrameSelector_ReferencePlane_Centred",
selected_celestial.Name()));
}
string secondary =
target_frame_selected
? L10N.CacheFormat(
"#Principia_ReferenceFrameSelector_ReferencePlane_Secondary_Target")
: selected_celestial.Name();
string primary = target_frame_selected
? selected_celestial.Name()
: selected_celestial.referenceBody.Name();
return(L10N.CacheFormat("#Principia_ReferenceFrameSelector_ReferencePlane",
secondary,
primary));
}
private static string TargetFrameSelectorText(Vessel target)
{
return(TargetFrameAbbreviation(target) ?? L10N.CacheFormat(
"#Principia_ReferenceFrameSelector_SelectorText_Target"));
}
private string GetStatusMessage()
{
string vessel_guid = predicted_vessel?.id.ToString();
string message = "";
if (vessel_guid != null && !status_.ok())
{
int anomalous_manœuvres =
plugin.FlightPlanNumberOfAnomalousManoeuvres(vessel_guid);
int manœuvres = plugin.FlightPlanNumberOfManoeuvres(vessel_guid);
double actual_final_time =
plugin.FlightPlanGetActualFinalTime(vessel_guid);
bool timed_out = actual_final_time < final_time_.value;
string remedy_message =
L10N.CacheFormat(
"#Principia_FlightPlan_StatusMessage_ChangeFlightPlan"); // Preceded by "Try".
string status_message = L10N.CacheFormat(
"#Principia_FlightPlan_StatusMessage_FailedError",
status_.error,
status_.message);
string time_out_message =
timed_out ? L10N.CacheFormat(
"#Principia_FlightPlan_StatusMessage_TimeOut",
FormatPositiveTimeSpan(
actual_final_time -
plugin.FlightPlanGetInitialTime(vessel_guid)))
: "";
if (status_.is_aborted())
{
status_message = L10N.CacheFormat(
"#Principia_FlightPlan_StatusMessage_MaxSteps",
time_out_message);
remedy_message =
L10N.CacheFormat("#Principia_FlightPlan_StatusMessage_MaxSegment");
}
else if (status_.is_failed_precondition())
{
status_message = L10N.CacheFormat(
"#Principia_FlightPlan_StatusMessage_Singularity",
time_out_message);
remedy_message =
L10N.CacheFormat(
"#Principia_FlightPlan_StatusMessage_AvoidingCollision");
}
else if (status_.is_invalid_argument())
{
status_message = L10N.CacheFormat(
"#Principia_FlightPlan_StatusMessage_Infinite",
first_error_manœuvre_.Value + 1);
remedy_message = L10N.CacheFormat(
"#Principia_FlightPlan_StatusMessage_Adjust",
first_error_manœuvre_.Value + 1);
}
else if (status_.is_out_of_range())
{
if (first_error_manœuvre_.HasValue)
{
status_message = L10N.CacheFormat(
"#Principia_FlightPlan_StatusMessage_OutRange1",
first_error_manœuvre_.Value + 1,
first_error_manœuvre_.Value == 0
? L10N.CacheFormat(
"#Principia_FlightPlan_StatusMessage_OutRange2")
: L10N.CacheFormat(
"#Principia_FlightPlan_StatusMessage_OutRange3",
first_error_manœuvre_.Value),
manœuvres == 0 || first_error_manœuvre_.Value == manœuvres - 1
? L10N.CacheFormat(
"#Principia_FlightPlan_StatusMessage_OutRange4")
: L10N.CacheFormat(
"#Principia_FlightPlan_StatusMessage_OutRange5",
first_error_manœuvre_.Value + 2));
remedy_message = L10N.CacheFormat(
"#Principia_FlightPlan_StatusMessage_OutRange6",
manœuvres == 0 || first_error_manœuvre_.Value == manœuvres - 1
? L10N.CacheFormat(
"#Principia_FlightPlan_StatusMessage_OutRange7")
: "",
first_error_manœuvre_.Value + 1);
}
else
{
status_message =
L10N.CacheFormat("#Principia_FlightPlan_StatusMessage_TooShort");
remedy_message =
L10N.CacheFormat("#Principia_FlightPlan_StatusMessage_Increase");
}
}
else if (status_.is_unavailable())
{
status_message =
L10N.CacheFormat("#Principia_FlightPlan_StatusMessage_CantRebase");
remedy_message =
L10N.CacheFormat("#Principia_FlightPlan_StatusMessage_WaitFinish");
}
if (anomalous_manœuvres > 0)
{
message = L10N.CacheFormat(
"#Principia_FlightPlan_StatusMessage_Last",
anomalous_manœuvres,
status_message,
remedy_message,
(anomalous_manœuvres < manœuvres
? L10N.CacheFormat("#Principia_FlightPlan_StatusMessage_Last2",
manœuvres - anomalous_manœuvres)
: ""));
}
else
{
message =
L10N.CacheFormat("#Principia_FlightPlan_StatusMessage_Result",
status_message,
remedy_message);
}
}
message_was_displayed_ = true;
return(message);
}
protected override void RenderWindowContents(int window_id)
{
// We must ensure that the GUI elements don't change between Layout and
// Repaint. This means that any state change must occur before Layout or
// after Repaint. This if statement implements the former. It updates the
// vessel and the editors to reflect the current state of the plugin and
// then proceeds with the UI code.
if (UnityEngine.Event.current.type == UnityEngine.EventType.Layout)
{
UpdateVesselAndBurnEditors();
}
// The UI code proper, executed identically for Layout and Repaint. We
// can freely change the state in events like clicks (e.g., in if statements
// for buttons) as these don't happen between Layout and Repaint.
string vessel_guid = predicted_vessel?.id.ToString();
if (vessel_guid == null)
{
return;
}
using (new UnityEngine.GUILayout.HorizontalScope()) {
int flight_plans = plugin.FlightPlanCount(vessel_guid);
int selected_flight_plan = plugin.FlightPlanSelected(vessel_guid);
for (int i = 0; i < flight_plans; ++i)
{
var id = new string(L10N.CacheFormat("#Principia_AlphabeticList")[i],
1);
if (UnityEngine.GUILayout.Toggle(i == selected_flight_plan, id,
"Button",
GUILayoutWidth(1)) &&
i != selected_flight_plan)
{
plugin.FlightPlanSelect(vessel_guid, i);
final_time_.value_if_different =
plugin.FlightPlanGetDesiredFinalTime(vessel_guid);
ClearBurnEditors();
UpdateVesselAndBurnEditors();
}
}
bool must_create_flight_plan = false;
if (flight_plans == 0)
{
must_create_flight_plan = UnityEngine.GUILayout.Button(
L10N.CacheFormat("#Principia_FlightPlan_Create"));
}
else if (flight_plans < max_flight_plans)
{
must_create_flight_plan =
UnityEngine.GUILayout.Button("+", GUILayoutWidth(1));
}
if (must_create_flight_plan)
{
plugin.FlightPlanCreate(vessel_guid,
plugin.CurrentTime() + 3600,
predicted_vessel.GetTotalMass());
final_time_.value_if_different =
plugin.FlightPlanGetDesiredFinalTime(vessel_guid);
ClearBurnEditors();
UpdateVesselAndBurnEditors();
return;
}
}
if (plugin.FlightPlanExists(vessel_guid))
{
RenderFlightPlan(vessel_guid);
}
UnityEngine.GUI.DragWindow();
}
private bool RenderCoast(int index, out double?orbital_period)
{
string vessel_guid = predicted_vessel.id.ToString();
var coast_analysis = plugin.FlightPlanGetCoastAnalysis(
vessel_guid,
revolutions_per_cycle: null,
days_per_cycle: null,
ground_track_revolution: 0,
index);
string orbit_description = null;
orbital_period = coast_analysis.elements?.nodal_period;
if (coast_analysis.primary_index.HasValue)
{
var primary = FlightGlobals.Bodies[coast_analysis.primary_index.Value];
int?nodal_revolutions = (int?)(coast_analysis.mission_duration /
coast_analysis.elements?.nodal_period);
orbit_description = OrbitAnalyser.OrbitDescription(
primary,
coast_analysis.elements,
coast_analysis.recurrence,
coast_analysis.ground_track,
nodal_revolutions);
}
using (new UnityEngine.GUILayout.HorizontalScope()) {
if (index == burn_editors_.Count)
{
final_trajectory_analyser_.index = index;
final_trajectory_analyser_.RenderButton();
}
else
{
double start_of_coast = index == 0
? plugin.FlightPlanGetInitialTime(
vessel_guid)
: burn_editors_[index - 1].final_time;
string coast_duration =
(burn_editors_[index].initial_time - start_of_coast).FormatDuration(
show_seconds: false);
string coast_description = orbit_description == null
? L10N.CacheFormat(
"#Principia_FlightPlan_Coast",
coast_duration)
: L10N.CacheFormat(
"#Principia_FlightPlan_CoastInOrbit",
orbit_description,
coast_duration);
UnityEngine.GUILayout.Label(coast_description);
}
if (UnityEngine.GUILayout.Button(
L10N.CacheFormat("#Principia_FlightPlan_AddManœuvre"),
GUILayoutWidth(4)))
{
double initial_time;
if (index == 0)
{
initial_time = plugin.CurrentTime() + 60;
}
else
{
initial_time =
plugin.FlightPlanGetManoeuvre(vessel_guid,
index - 1).final_time + 60;
}
var editor = new BurnEditor(adapter_,
predicted_vessel,
initial_time,
index,
get_burn_at_index: burn_editors_.
ElementAtOrDefault);
editor.minimized = false;
Burn candidate_burn = editor.Burn();
var status = plugin.FlightPlanInsert(
vessel_guid,
candidate_burn,
index);
// The previous call did not necessarily create a manœuvre. Check if
// we need to add an editor.
int number_of_manœuvres =
plugin.FlightPlanNumberOfManoeuvres(vessel_guid);
if (number_of_manœuvres > burn_editors_.Count)
{
editor.Reset(plugin.FlightPlanGetManoeuvre(vessel_guid, index));
burn_editors_.Insert(index, editor);
UpdateBurnEditorIndices();
UpdateStatus(status, index);
Shrink();
return(true);
}
// TODO(phl): The error messaging here will be either confusing or
// wrong. The messages should mention the new manœuvre without
// numbering it, since the numbering has not changed (“the new manœuvre
// would overlap with manœuvre #1 or manœuvre #2” or something along
// these lines).
UpdateStatus(status, index);
}
}
return(false);
}
private void RenderUpcomingEvents()
{
string vessel_guid = predicted_vessel.id.ToString();
double current_time = plugin.CurrentTime();
Style.HorizontalLine();
if (first_future_manœuvre_.HasValue)
{
int first_future_manœuvre = first_future_manœuvre_.Value;
NavigationManoeuvre manœuvre =
plugin.FlightPlanGetManoeuvre(vessel_guid, first_future_manœuvre);
if (manœuvre.burn.initial_time > current_time)
{
using (new UnityEngine.GUILayout.HorizontalScope()) {
UnityEngine.GUILayout.Label(
L10N.CacheFormat("#Principia_FlightPlan_UpcomingManœuvre",
first_future_manœuvre + 1));
UnityEngine.GUILayout.Label(
L10N.CacheFormat("#Principia_FlightPlan_IgnitionCountdown",
FormatTimeSpan(
current_time - manœuvre.burn.initial_time)),
style: Style.RightAligned(UnityEngine.GUI.skin.label));
}
}
else
{
using (new UnityEngine.GUILayout.HorizontalScope()) {
UnityEngine.GUILayout.Label(
L10N.CacheFormat("#Principia_FlightPlan_OngoingManœuvre",
first_future_manœuvre + 1));
UnityEngine.GUILayout.Label(
L10N.CacheFormat("#Principia_FlightPlan_CutoffCountdown",
FormatTimeSpan(
current_time - manœuvre.final_time)),
style: Style.RightAligned(UnityEngine.GUI.skin.label));
}
}
// In career mode, the patched conic solver may be null. In that case
// we do not offer the option of showing the manœuvre on the navball,
// even though the flight planner is still available to plan it.
// TODO(egg): We may want to consider setting the burn vector directly
// rather than going through the solver.
if (predicted_vessel.patchedConicSolver != null)
{
using (new UnityEngine.GUILayout.HorizontalScope()) {
show_guidance_ = UnityEngine.GUILayout.Toggle(
show_guidance_,
L10N.CacheFormat("#Principia_FlightPlan_ShowManœuvreOnNavball"));
if (UnityEngine.GUILayout.Button(
L10N.CacheFormat("#Principia_FlightPlan_WarpToManœuvre")))
{
TimeWarp.fetch.WarpTo(manœuvre.burn.initial_time - 60);
}
}
}
}
else
{
// Reserve some space to avoid the UI changing shape if we have
// nothing to say.
UnityEngine.GUILayout.Label(
L10N.CacheFormat(
"#Principia_FlightPlan_Warning_AllManœuvresInThePast"),
Style.Warning(UnityEngine.GUI.skin.label));
UnityEngine.GUILayout.Space(Width(1));
}
}
public void RenderButton()
{
RenderButton(L10N.CacheFormat("#Principia_FlightPlan_ToggleButton"),
GUILayoutWidth(4));
}
private void RenderFlightPlan(string vessel_guid)
{
using (new UnityEngine.GUILayout.VerticalScope()) {
if (final_time_.Render(enabled: true))
{
var status =
plugin.FlightPlanSetDesiredFinalTime(
vessel_guid,
final_time_.value);
UpdateStatus(status, null);
}
// Always refresh the final time from C++ as it may have changed because
// the last burn changed.
final_time_.value_if_different =
plugin.FlightPlanGetDesiredFinalTime(vessel_guid);
FlightPlanAdaptiveStepParameters parameters =
plugin.FlightPlanGetAdaptiveStepParameters(vessel_guid);
length_integration_tolerance_index_ = Math.Max(
0,
Array.FindIndex(integration_tolerances_,
(double tolerance) => tolerance >=
parameters.
length_integration_tolerance));
speed_integration_tolerance_index_ = Math.Max(
0,
Array.FindIndex(integration_tolerances_,
(double tolerance) => tolerance >=
parameters.
speed_integration_tolerance));
max_steps_index_ = Math.Max(0,
Array.FindIndex(
max_steps_,
(long step) =>
step >= parameters.max_steps));
using (new UnityEngine.GUILayout.HorizontalScope()) {
using (new UnityEngine.GUILayout.HorizontalScope()) {
UnityEngine.GUILayout.Label(
L10N.CacheFormat("#Principia_FlightPlan_MaxSteps"),
GUILayoutWidth(6));
if (max_steps_index_ == 0)
{
UnityEngine.GUILayout.Button(
L10N.CacheFormat("#Principia_DiscreteSelector_Min"));
}
else if (UnityEngine.GUILayout.Button("−"))
{
--max_steps_index_;
UpdateAdaptiveStepParameters(ref parameters);
var status =
plugin.FlightPlanSetAdaptiveStepParameters(
vessel_guid,
parameters);
UpdateStatus(status, null);
}
UnityEngine.GUILayout.TextArea(
max_steps_[max_steps_index_].ToString(),
GUILayoutWidth(3));
if (max_steps_index_ == max_steps_.Length - 1)
{
UnityEngine.GUILayout.Button(
L10N.CacheFormat("#Principia_DiscreteSelector_Max"));
}
else if (UnityEngine.GUILayout.Button("+"))
{
++max_steps_index_;
UpdateAdaptiveStepParameters(ref parameters);
var status =
plugin.FlightPlanSetAdaptiveStepParameters(
vessel_guid,
parameters);
UpdateStatus(status, null);
}
}
using (new UnityEngine.GUILayout.HorizontalScope()) {
UnityEngine.GUILayout.Label(
L10N.CacheFormat("#Principia_PredictionSettings_ToleranceLabel"),
GUILayoutWidth(3));
// Prior to Ἵππαρχος the tolerances were powers of 2, see #3395.
if (length_integration_tolerance_index_ == 0 ||
speed_integration_tolerance_index_ == 0)
{
UnityEngine.GUILayout.Button(
L10N.CacheFormat("#Principia_DiscreteSelector_Min"));
}
else if (UnityEngine.GUILayout.Button("−"))
{
--length_integration_tolerance_index_;
--speed_integration_tolerance_index_;
UpdateAdaptiveStepParameters(ref parameters);
var status =
plugin.FlightPlanSetAdaptiveStepParameters(
vessel_guid,
parameters);
UpdateStatus(status, null);
}
UnityEngine.GUILayout.TextArea(
length_integration_tolerances_names_[
length_integration_tolerance_index_],
GUILayoutWidth(3));
if (length_integration_tolerance_index_ ==
integration_tolerances_.Length - 1 ||
speed_integration_tolerance_index_ ==
integration_tolerances_.Length - 1)
{
UnityEngine.GUILayout.Button(
L10N.CacheFormat("#Principia_DiscreteSelector_Max"));
}
else if (UnityEngine.GUILayout.Button("+"))
{
++length_integration_tolerance_index_;
++speed_integration_tolerance_index_;
UpdateAdaptiveStepParameters(ref parameters);
var status =
plugin.FlightPlanSetAdaptiveStepParameters(
vessel_guid,
parameters);
UpdateStatus(status, null);
}
}
}
double Δv = (from burn_editor in burn_editors_
select burn_editor.Δv()).Sum();
UnityEngine.GUILayout.Label(L10N.CacheFormat(
"#Principia_FlightPlan_TotalΔv",
Δv.ToString("0.000")));
{
var style = Style.Warning(Style.Multiline(UnityEngine.GUI.skin.label));
string message = GetStatusMessage();
// Size the label explicitly so that it doesn't decrease when the
// message goes away: that causes annoying flicker. The enclosing
// window has a width of 20 units, but not all of that is available,
// hence 19.
warning_height_ = Math.Max(warning_height_,
style.CalcHeight(
new UnityEngine.GUIContent(message),
Width(19)));
UnityEngine.GUILayout.Label(message,
style,
UnityEngine.GUILayout.Height(
warning_height_));
}
if (burn_editors_.Count == 0 &&
UnityEngine.GUILayout.Button(
L10N.CacheFormat("#Principia_FlightPlan_Delete")))
{
final_trajectory_analyser_.DisposeWindow();
final_trajectory_analyser_ =
new PlannedOrbitAnalyser(adapter_, predicted_vessel_);
plugin.FlightPlanDelete(vessel_guid);
ResetStatus();
Shrink();
// The state change will happen the next time we go through OnGUI.
}
else
{
using (new UnityEngine.GUILayout.HorizontalScope()) {
if (UnityEngine.GUILayout.Button(
L10N.CacheFormat("#Principia_FlightPlan_Rebase")))
{
var status = plugin.FlightPlanRebase(
vessel_guid,
predicted_vessel.GetTotalMass());
UpdateStatus(status, null);
if (status.ok())
{
// The final time does not change, but since it is displayed with
// respect to the beginning of the flight plan, the text must be
// recomputed.
final_time_.ResetValue(
plugin.FlightPlanGetDesiredFinalTime(vessel_guid));
return;
}
}
if (plugin.FlightPlanCount(vessel_guid) < max_flight_plans &&
UnityEngine.GUILayout.Button(
L10N.CacheFormat("#Principia_FlightPlan_Duplicate")))
{
plugin.FlightPlanDuplicate(vessel_guid);
}
}
if (burn_editors_.Count > 0)
{
RenderUpcomingEvents();
}
// Compute the final times for each manœuvre before displaying them.
var final_times = new List <double>();
for (int i = 0; i < burn_editors_.Count - 1; ++i)
{
final_times.Add(plugin.FlightPlanGetManoeuvre(vessel_guid, i + 1).
burn.initial_time);
}
// Allow extending the flight plan.
final_times.Add(double.PositiveInfinity);
for (int i = 0; i < burn_editors_.Count; ++i)
{
Style.HorizontalLine();
if (RenderCoast(i, out double?orbital_period))
{
return;
}
Style.HorizontalLine();
BurnEditor burn = burn_editors_[i];
switch (burn.Render(
header :
L10N.CacheFormat("#Principia_FlightPlan_ManœuvreHeader", i + 1),
anomalous : i >=
burn_editors_.Count -
number_of_anomalous_manœuvres_,
burn_final_time : final_times[i],
orbital_period : orbital_period))
{
case BurnEditor.Event.Deleted: {
var status = plugin.FlightPlanRemove(vessel_guid, i);
UpdateStatus(status, null);
burn_editors_[i].Close();
burn_editors_.RemoveAt(i);
UpdateBurnEditorIndices();
Shrink();
return;
}
case BurnEditor.Event.Minimized:
case BurnEditor.Event.Maximized: {
Shrink();
return;
}
case BurnEditor.Event.Changed: {
var status =
plugin.FlightPlanReplace(vessel_guid, burn.Burn(), i);
UpdateStatus(status, i);
burn.Reset(plugin.FlightPlanGetManoeuvre(vessel_guid, i));
break;
}
case BurnEditor.Event.None: {
break;
}
}
}
Style.HorizontalLine();
if (RenderCoast(burn_editors_.Count, orbital_period: out _))
{
return;
}
}
}
}
private void RenderSubtree(CelestialBody celestial, int depth)
{
// Horizontal offset between a node and its children.
const int offset = 1;
using (new UnityEngine.GUILayout.HorizontalScope()) {
UnityEngine.GUILayout.Space(Width(offset * depth));
if (celestial.is_leaf(target))
{
UnityEngine.GUILayout.Button(
"", UnityEngine.GUI.skin.label, GUILayoutWidth(offset));
}
else
{
string button_text = expanded_[celestial] ? "−" : "+";
if (UnityEngine.GUILayout.Button(
button_text, GUILayoutWidth(offset)))
{
Shrink();
expanded_[celestial] = !expanded_[celestial];
}
}
UnityEngine.GUILayout.Label(celestial.StandaloneName());
UnityEngine.GUILayout.FlexibleSpace();
if (celestial.is_root())
{
UnityEngine.GUILayout.Label(
L10N.CacheFormat("#Principia_ReferenceFrameSelector_Pin"));
}
else if (UnityEngine.GUILayout.Toggle(pinned[celestial], "") !=
pinned[celestial])
{
pinned[celestial] = !pinned[celestial];
Shrink();
}
}
if (!celestial.is_leaf(target))
{
if ((expanded_[celestial] || target_pinned_) &&
target?.orbit.referenceBody == celestial)
{
using (new UnityEngine.GUILayout.HorizontalScope()) {
UnityEngine.GUILayout.Space(Width(offset * (depth + 1)));
UnityEngine.GUILayout.Button(
"", UnityEngine.GUI.skin.label, GUILayoutWidth(offset));
UnityEngine.GUILayout.Label(
L10N.CacheFormat("#Principia_ReferenceFrameSelector_Target",
target.vesselName));
UnityEngine.GUILayout.FlexibleSpace();
if (UnityEngine.GUILayout.Toggle(target_pinned_, "") !=
target_pinned_)
{
target_pinned_ = !target_pinned_;
Shrink();
}
}
}
foreach (CelestialBody child in celestial.orbitingBodies)
{
if (expanded_[celestial] || AnyDescendantPinned(child))
{
RenderSubtree(child, depth + 1);
}
}
}
}
public static string Standalone(string name)
{
return(L10N.CacheFormat("#Principia_GrammaticalForm_Standalone", name));
}