/
AscentBuilder.cs
154 lines (125 loc) · 6.04 KB
/
AscentBuilder.cs
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/*
* Copyright Lamont Granquist, Sebastien Gaggini and the MechJeb contributors
* SPDX-License-Identifier: LicenseRef-PD-hp OR Unlicense OR CC0-1.0 OR 0BSD OR MIT-0 OR MIT OR LGPL-2.1+
*/
using System.Collections.Generic;
using MechJebLib.Primitives;
using MechJebLib.Utils;
using static MechJebLib.Utils.Statics;
#nullable enable
namespace MechJebLib.PVG
{
public partial class Ascent
{
public class AscentBuilder
{
public readonly List<Phase> _phases = new List<Phase>();
public V3 _r0 { get; private set; }
public V3 _v0 { get; private set; }
public V3 _u0 { get; private set; }
public double _t0 { get; private set; }
public double _mu { get; private set; }
public double _rbody { get; private set; }
public double _apR { get; private set; }
public double _peR { get; private set; }
public double _attR { get; private set; }
public double _incT { get; private set; }
public double _lanT { get; private set; }
public double _fpaT { get; private set; }
public double _hT { get; private set; }
public bool _attachAltFlag { get; private set; }
public bool _lanflag { get; private set; }
public bool _fixedBurnTime { get; private set; }
public int _optimizedPhase { get; private set; }
public int _optimizedCoastPhase { get; private set; } = -1;
public Solution? _solution { get; private set; }
public AscentBuilder AddStageUsingFinalMass(double m0, double mf, double isp, double bt, int kspStage, bool optimizeTime = false,
bool unguided = false)
{
Log(
$"[MechJebLib.AscentBuilder] AddStageUsingFinalMass({m0}, {mf}, {isp}, {bt}, {kspStage}, {(optimizeTime ? "true" : "false")}, {(unguided ? "true" : "false")})");
_phases.Add(Phase.NewStageUsingFinalMass(m0, mf, isp, bt, kspStage, optimizeTime, unguided));
if (optimizeTime)
_optimizedPhase = _phases.Count - 1;
return this;
}
public AscentBuilder AddStageUsingThrust(double m0, double thrust, double isp, double bt, int kspStage, bool optimizeTime = false,
bool unguided = false)
{
Log(
$"[MechJebLib.AscentBuilder] AddStageUsingThrust({m0}, {thrust}, {isp}, {bt}, {kspStage}, {(optimizeTime ? "true" : "false")}, {(unguided ? "true" : "false")})");
_phases.Add(Phase.NewStageUsingThrust(m0, thrust, isp, bt, kspStage, optimizeTime, unguided));
if (optimizeTime)
_optimizedPhase = _phases.Count - 1;
return this;
}
public AscentBuilder AddFixedCoast(double m0, double ct, int kspStage)
{
Log($"[MechJebLib.AscentBuilder] AddFixedCoast({m0}, {ct}, {kspStage})");
_phases.Add(Phase.NewFixedCoast(m0, ct, kspStage));
return this;
}
public AscentBuilder AddOptimizedCoast(double m0, double mint, double maxt, int kspStage)
{
Log($"[MechJebLib.AscentBuilder] AddOptimizedCoast({m0}, {mint}, {maxt}, {kspStage})");
_phases.Add(Phase.NewOptimizedCoast(m0, mint, maxt, kspStage));
_optimizedCoastPhase = _phases.Count - 1;
return this;
}
public AscentBuilder Initial(V3 r0, V3 v0, V3 u0, double t0, double mu, double rbody)
{
Check.NonZeroFinite(r0);
Check.NonZeroFinite(v0);
Check.Finite(t0);
Check.PositiveFinite(mu);
Check.PositiveFinite(rbody);
Log($"[MechJebLib.AscentBuilder] Initial({r0}, {v0}, {u0}, {t0}, {mu}, {rbody})");
_r0 = r0;
_v0 = v0;
_u0 = u0.normalized;
_t0 = t0;
_mu = mu;
_rbody = rbody;
return this;
}
public Ascent Build()
{
var ascent = new Ascent(this);
return ascent;
}
// This magical interface needs to be busted up
public AscentBuilder SetTarget(double peR, double apR, double attR, double inclination, double lan, double fpa, bool attachAltFlag,
bool lanflag)
{
Log(
$"[MechJebLib.AscentBuilder] SetTarget({peR}, {apR}, {attR}, {inclination}, {lan}, {fpa}, {(attachAltFlag ? "true" : "false")}, {(lanflag ? "true" : "false")})");
_peR = peR;
_apR = apR;
_attR = attR;
_incT = inclination;
_lanT = lan;
_fpaT = fpa;
_attachAltFlag = attachAltFlag;
_lanflag = lanflag;
return this;
}
public AscentBuilder OldSolution(Solution solution)
{
Log("[MechJebLib.AscentBuilder] OldSolution(<solution>)");
_solution = solution;
return this;
}
public AscentBuilder FixedBurnTime(bool fixedBurnTime)
{
Log($"[MechJebLib.AscentBuilder] FixedBurnTime({(fixedBurnTime ? "true" : "false")})");
_fixedBurnTime = fixedBurnTime;
return this;
}
public AscentBuilder TerminalConditions(double hT)
{
_hT = hT;
return this;
}
}
}
}