void SetOrbitHere(Entity entity, PropulsionAbilityDB propulsionDB, PositionDB positionDB, TranslateMoveDB moveDB, DateTime atDateTime)
{
propulsionDB.CurrentVectorMS = new Vector3(0, 0, 0);
double targetSOI = OrbitProcessor.GetSOI(moveDB.TargetEntity);
Entity targetEntity;
if (moveDB.TargetEntity.GetDataBlob <PositionDB>().GetDistanceTo(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>();
var orbitalVector = OrbitProcessor.GetOrbitalVector(targetOrbit, atDateTime);
var insertionVector2d = OrbitProcessor.GetOrbitalInsertionVector(moveDB.SavedNewtonionVector_AU, targetOrbit, atDateTime);
Vector3 parentOrbitalVector = new Vector3(orbitalVector.X, orbitalVector.Y, 0);
Vector3 insertionVector = new Vector3(insertionVector2d.X, insertionVector2d.Y, 0);
insertionVector += moveDB.ExpendDeltaV_AU; //TODO: only use it if we have it.
propulsionDB.RemainingDV_MS -= (float)Distance.AuToMt(moveDB.ExpendDeltaV_AU).Length();
OrbitDB newOrbit = OrbitDB.FromVector(targetEntity, entity, insertionVector, atDateTime);
if (newOrbit.Periapsis > targetSOI)
{
//TODO: find who's SOI we're currently in and create an orbit for that;
}
if (newOrbit.Apoapsis > targetSOI)
{
//TODO: change orbit to new parent at SOI change
}
positionDB.SetParent(targetEntity);
moveDB.IsAtTarget = true;
entity.RemoveDataBlob <TranslateMoveDB>();
entity.SetDataBlob(newOrbit);
newOrbit.SetParent(targetEntity);
}
