void SetOrbitHere(Entity entity, PositionDB positionDB, WarpMovingDB moveDB, DateTime atDateTime)
{
//propulsionDB.CurrentVectorMS = new Vector3(0, 0, 0);
double targetSOI = OrbitProcessor.GetSOI_m(moveDB.TargetEntity);
Entity targetEntity;
if (moveDB.TargetEntity.GetDataBlob <PositionDB>().GetDistanceTo_m(positionDB) > targetSOI)
{
targetEntity = moveDB.TargetEntity.GetDataBlob <OrbitDB>().Parent; //TODO: it's concevable we could be in another SOI not the parent (ie we could be in a target's moon's SOI)
}
else
{
targetEntity = moveDB.TargetEntity;
}
OrbitDB targetOrbit = targetEntity.GetDataBlob <OrbitDB>();
Vector3 insertionVector_m = OrbitProcessor.GetOrbitalInsertionVector_m(moveDB.SavedNewtonionVector, targetOrbit, atDateTime);
positionDB.SetParent(targetEntity);
if (moveDB.ExpendDeltaV.Length() != 0)
{
NewtonThrustCommand.CreateCommand(entity.FactionOwner, entity, entity.StarSysDateTime, moveDB.ExpendDeltaV);
entity.RemoveDataBlob <WarpMovingDB>();
moveDB.IsAtTarget = true;
}
else
{
OrbitDB newOrbit = OrbitDB.FromVelocity_m(targetEntity, entity, insertionVector_m, atDateTime);
entity.RemoveDataBlob <WarpMovingDB>();
if (newOrbit.Apoapsis < targetSOI) //furtherst point within soi, normal orbit
{
entity.SetDataBlob(newOrbit);
}
else if (newOrbit.Periapsis > targetSOI) //closest point outside soi
{
//find who's SOI we are in, and create an orbit around that.
targetEntity = OrbitProcessor.FindSOIForPosition((StarSystem)entity.Manager, positionDB.AbsolutePosition_m);
newOrbit = OrbitDB.FromVelocity_m(targetEntity, entity, insertionVector_m, atDateTime);
entity.SetDataBlob(newOrbit);
}
else //closest point inside soi, but furtherest point outside. make a newtonion trajectory.
{
var newtmove = new NewtonMoveDB(targetEntity, insertionVector_m);
entity.SetDataBlob(newtmove);
}
positionDB.SetParent(targetEntity);
moveDB.IsAtTarget = true;
}
}