void DisplayPhaseChangeMode()
{
ImGui.SliderAngle("PhaseAngle", ref _phaseAngleRadians);
var manuvers = InterceptCalcs.OrbitPhasingManuvers(_currentKE, _sgp, _atDatetime, _phaseAngleRadians);
double totalManuverDV = 0;
foreach (var manuver in manuvers)
{
ImGui.Text(manuver.deltaV.Length() + "Δv");
totalManuverDV += manuver.deltaV.Length();
ImGui.Text("Seconds: " + manuver.timeInSeconds);
}
ImGui.Text("Total Δv");
ImGui.SameLine();
ImGui.Text("for all manuvers: " + Stringify.Velocity(totalManuverDV));
if (ImGui.Button("Make it so"))
{
NewtonThrustCommand.CreateCommand(_orderEntity.FactionOwner, _orderEntity, _atDatetime, manuvers[0].deltaV);
DateTime futureDate = _atDatetime + TimeSpan.FromSeconds(manuvers[1].timeInSeconds);
NewtonThrustCommand.CreateCommand(_orderEntity.FactionOwner, _orderEntity, futureDate, manuvers[1].deltaV);
}
}
public static void LaunchMissile(Entity launchingEntity, Entity targetEntity, double launchForce, OrdnanceDesign missileDesign, int count)
{
var atDatetime = launchingEntity.Manager.StarSysDateTime;
var parentPositionDB = launchingEntity.GetDataBlob <PositionDB>();
Vector3 parentPosition = parentPositionDB.AbsolutePosition_m;
var parentPosRal = parentPositionDB.RelativePosition_m;
var tgtEntityOrbit = targetEntity.GetDataBlob <OrbitDB>();
if (targetEntity.HasDataBlob <OrbitUpdateOftenDB>())
{
tgtEntityOrbit = targetEntity.GetDataBlob <OrbitUpdateOftenDB>();
}
//MissileLauncherAtb launcherAtb;
VolumeStorageDB cargo = launchingEntity.GetDataBlob <VolumeStorageDB>();
int numMis = cargo.TypeStores[missileDesign.CargoTypeID].CurrentStoreInUnits[missileDesign.ID];
if (numMis < 1)
{
return;
}
double launchSpeed = launchForce / missileDesign.MassPerUnit;
double burnTime = ((missileDesign.WetMass - missileDesign.DryMass) / missileDesign.BurnRate) * 0.8; //use 80% of fuel.
double drymass = (missileDesign.WetMass - missileDesign.DryMass) * 0.8; //use 80% of fuel.
double launchManuverDv = OrbitMath.TsiolkovskyRocketEquation(missileDesign.WetMass, drymass, missileDesign.ExaustVelocity);
double totalDV = OrbitMath.TsiolkovskyRocketEquation(missileDesign.WetMass, missileDesign.DryMass, missileDesign.ExaustVelocity);
double speed = launchSpeed + launchManuverDv;
var misslPositionDB = (PositionDB)parentPositionDB.Clone();
Vector3 parentVelocity = Entity.GetRalitiveFutureVelocity(launchingEntity, launchingEntity.StarSysDateTime);
var orderabledb = new OrderableDB();
var newtmovedb = new NewtonMoveDB(misslPositionDB.Parent, parentVelocity);
string defaultName = "Missile";
string factionsName = missileDesign.Name;
if (count > 1)
{
defaultName += " x" + count;
factionsName += " x" + count;
}
List <BaseDataBlob> dataBlobs = new List <BaseDataBlob>();
dataBlobs.Add(new ProjectileInfoDB(launchingEntity.Guid, count));
dataBlobs.Add(new ComponentInstancesDB());
dataBlobs.Add(misslPositionDB);
dataBlobs.Add(MassVolumeDB.NewFromMassAndVolume(missileDesign.WetMass, missileDesign.WetMass));
dataBlobs.Add(new NameDB(defaultName, launchingEntity.FactionOwner, factionsName));
dataBlobs.Add(newtmovedb);
dataBlobs.Add(orderabledb);
var newMissile = Entity.Create(launchingEntity.Manager, launchingEntity.FactionOwner, dataBlobs);
foreach (var tuple in missileDesign.Components)
{
EntityManipulation.AddComponentToEntity(newMissile, tuple.design, tuple.count);
}
var newtdb = newMissile.GetDataBlob <NewtonThrustAbilityDB>();
newtdb.DryMass_kg = missileDesign.MassPerUnit;
newtdb.SetFuel(missileDesign.WetMass - missileDesign.MassPerUnit);
bool directAttack = false;
if (directAttack)
{
/*
* var tgtintercept = OrbitMath.GetInterceptPosition_m(parentPosition, speed, tgtEntityOrbit, atDatetime);
* var tgtEstPos = tgtintercept.position + targetEntity.GetDataBlob<PositionDB>().RelativePosition_m;
*
* var tgtCurPos = Entity.GetPosition_m(targetEntity, atDatetime);
*
* var vectorToTgt = Vector3.Normalise(tgtCurPos - parentPosRal);
*
* //var vectorToTgt = Vector3.Normalise(tgtEstPos - parentPosRal);
* var launcherVector = vectorToTgt * launchSpeed;
*
*
* var launchVelocity = parentVelocity + launcherVector;
* var manuverDV = vectorToTgt * launchManuverDv;
*
* launchVelocity = parentVelocity + launcherVector;
*/
ThrustToTargetCmd.CreateCommand(launchingEntity.FactionOwner, newMissile, launchingEntity.StarSysDateTime, targetEntity);
}
else
{
var launchOrbit = launchingEntity.GetDataBlob <OrbitDB>();
if (launchingEntity.HasDataBlob <OrbitUpdateOftenDB>())
{
launchOrbit = launchingEntity.GetDataBlob <OrbitUpdateOftenDB>();
}
var launchTrueAnomaly = OrbitProcessor.GetTrueAnomaly(launchOrbit, atDatetime);
var targetTrueAnomaly = OrbitProcessor.GetTrueAnomaly(tgtEntityOrbit, atDatetime);
var phaseAngle = targetTrueAnomaly - launchTrueAnomaly;
var manuvers = InterceptCalcs.OrbitPhasingManuvers(launchOrbit, atDatetime, phaseAngle);
var manuverDV = manuvers[0].deltaV;
//newtmovedb.ActionOnDateTime = atDatetime;
//newtmovedb.DeltaVForManuver_FoRO_m = manuverDV;
NewtonThrustCommand.CreateCommand(launchingEntity.FactionOwner, newMissile, atDatetime, manuverDV);
DateTime futureDate = atDatetime + TimeSpan.FromSeconds(manuvers[1].timeInSeconds);
Vector3 futureDV = manuvers[1].deltaV;
NewtonThrustCommand.CreateCommand(launchingEntity.FactionOwner, newMissile, futureDate, futureDV);
//ThrustToTargetCmd.CreateCommand(launchingEntity.FactionOwner, newMissile, futureDate + TimeSpan.FromSeconds(1), targetEntity);
}
cargo.RemoveCargoByUnit(missileDesign, 1); //remove missile from parent.
}