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Fix burn parameters type 3 (IMU) and 4 (LVLH) for MPT direct input maneuvers #1567

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Fix burn parameters type 3 (IMU) and 4 (LVLH) for MPT direct input maneuvers #1567

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2c00f5c
Fix burn parameters type 3 (IMU) and 4 (LVLH) for MPT direct input ma…
indy91 Jan 7, 2026
89ea9aa
RTCC MFD: Fix map update MFD button descriptions
indy91 Jan 13, 2026
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45 changes: 41 additions & 4 deletions Orbitersdk/samples/ProjectApollo/src_launch/rtcc.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -15407,7 +15407,7 @@ int RTCC::PMMMCD(PMMMCDInput in, MPTManeuver &man)
RTCC_PMMMCD_6_1:
Thrust = GetOnboardComputerThrust(in.Thruster);
Ind = 0;
ExtDV = PIEXDV(sv_GMTI.R, sv_GMTI.V, in.WTMI, Thrust, _V(in.BurnParm75, in.BurnParm76, in.BurnParm77), EXDVIND);
ExtDV = PIEXDV(sv_GMTI.R, sv_GMTI.V, in.WTMI, Thrust, ExtDV, EXDVIND);
goto RTCC_PMMMCD_7_3;
RTCC_PMMMCD_6_2:
PMMMCDCallEMSMISS(in.sv_anchor, GMT_begin, sv_GMTI);
Expand All @@ -15425,8 +15425,8 @@ int RTCC::PMMMCD(PMMMCDInput in, MPTManeuver &man)
if (J != 0)
{
man.dV_inertial = ExtDV;
goto RTCC_PMMMCD_12_1;
}
goto RTCC_PMMMCD_12_1;
RTCC_PMMMCD_7_2:
man.dV_LVLH = ExtDV;
goto RTCC_PMMMCD_12_1;
Expand Down Expand Up @@ -15509,8 +15509,8 @@ int RTCC::PMMMCD(PMMMCDInput in, MPTManeuver &man)
}
goto RTCC_PMMMCD_B;
}
double dv = length(DV_A);
if (dv > 1e-10)
in.BurnParm72 = length(DV_A);
if (in.BurnParm72 > 1e-10)
{
man.A_T = unit(DV_A);
}
Expand Down Expand Up @@ -21691,6 +21691,18 @@ int RTCC::PMMXFR(int id, void *data)
BurnParm76 = PZBURN.P2_DV.y;
BurnParm77 = PZBURN.P2_DV.z;
}
else if (inp->BurnParameterNumber == 3)
{
BurnParm75 = PZBURN.P3_DV.x;
BurnParm76 = PZBURN.P3_DV.y;
BurnParm77 = PZBURN.P3_DV.z;
}
else if (inp->BurnParameterNumber == 4)
{
BurnParm75 = PZBURN.P4_DV.x;
BurnParm76 = PZBURN.P4_DV.y;
BurnParm77 = PZBURN.P4_DV.z;
}
BPIND = inp->BurnParameterNumber;
}
//TLI
Expand Down Expand Up @@ -21800,6 +21812,30 @@ int RTCC::PMMXFR(int id, void *data)
man.code = code;

//TBD: Is this a TLI maneuver?
//Check weight at maneuver initiation
double WTMI;
unsigned int prevman;
//Set weight at maneuver initiation = weight prior to maneuver
if (inp->ReplaceCode > 0)
{
prevman = inp->ReplaceCode - 1;
}
else
{
prevman = mpt->ManeuverNum;
}
if (prevman > 0)
{
WTMI = mpt->mantable[prevman - 1].TotalMassAfter;
}
else
{
WTMI = mpt->TotalInitMass;
}
if (inp->ConfigurationChangeIndicator == RTCC_CONFIGCHANGE_UNDOCKING)
{
// TBD: Load weight of remaining S/C and store as weight at maneuver initiation
}

if (inp->AttitudeCode == RTCC_ATTITUDE_SIVB_IGM)
{
Expand Down Expand Up @@ -21889,6 +21925,7 @@ int RTCC::PMMXFR(int id, void *data)
in.Pitch = inp->Pitch;
in.Yaw = inp->Yaw;
in.Roll = inp->Roll;
in.WTMI = WTMI;

err = PMMMCD(in, man);
}
Expand Down
4 changes: 2 additions & 2 deletions Orbitersdk/samples/ProjectApollo/src_launch/rtcc.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1599,14 +1599,14 @@ struct PMMMCDInput
{
double GMTI;
int Thruster;
int Attitude;
int Attitude; //1 = Fixed inertial, 2 = manual holding body orientation invariant, 3 = Lambert, 4 = PGNS External DV, 5 = AGS External DV
double dt_ullage;
int ConfigChangeInd;
int ConfigCodeAfter;
int TVC;
double DockingAngle;
std::bitset<4> CCMI;
int BPIND;
int BPIND; //1 = DV or DT, 2 = External DV, 3 = IMU, 4 = LVLH, 5 = Lambert, 6 = lunar ascent
int ID;
bool UllageThrusterOpt;
double DT_10PCT;
Expand Down
2 changes: 1 addition & 1 deletion Orbitersdk/samples/ProjectApollo/src_rtccmfd/ApolloRTCCMFD_Display.cpp
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Expand Up @@ -4623,7 +4623,7 @@ bool ApolloRTCCMFD::Update(oapi::Sketchpad *skp)
sprintf(Buffer, "%06.2f�P %06.2f�Y %06.2f�R", GC->rtcc->med_m66.Att.x*DEG, GC->rtcc->med_m66.Att.y*DEG, GC->rtcc->med_m66.Att.z*DEG);
skp->Text(W - CW, 3 * H / 14, Buffer, strlen(Buffer));
}
if (GC->rtcc->med_m66.AttitudeOpt >= 3)
if (GC->rtcc->med_m66.BurnParamNo > 1)
{
if (GC->rtcc->med_m66.HeadsUp)
{
Expand Down
4 changes: 2 additions & 2 deletions Orbitersdk/samples/ProjectApollo/src_rtccmfd/ApollomfdButtons.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -381,14 +381,14 @@ ApolloRTCCMFDButtons::ApolloRTCCMFDButtons()

static const MFDBUTTONMENU mnu11[] =
{
{ "CSM or LM", 0, 'P' },
{ "GET for anchor vector", 0, 'G' },
{ "Prime meridian", 0, 'D' },
{ "", 0, ' ' },
{ "", 0, ' ' },
{ "", 0, ' ' },
{ "", 0, ' ' },

{ "Select CSM or LM", 0, 'E' },
{ "Select vessel", 0, 'E' },
{ "Earth or Moon", 0, 'V' },
{ "Calc Map Update", 0, 'C' },
{ "", 0, ' ' },
Expand Down