internal static void FirstRun(Entity entity)
{
CargoTransferDB datablob = entity.GetDataBlob <CargoTransferDB>();
double?dv;
if (entity.HasDataBlob <OrbitDB>() && datablob.CargoToEntity.HasDataBlob <OrbitDB>())
{
dv = CalcDVDifferenceKmPerSecond(entity.GetDataBlob <OrbitDB>(), datablob.CargoToEntity.GetDataBlob <OrbitDB>());
}
else
{
OrbitDB orbitDB;
if (entity.HasDataBlob <ColonyInfoDB>())
{
orbitDB = entity.GetDataBlob <ColonyInfoDB>().PlanetEntity.GetDataBlob <OrbitDB>();
}
else//if (datablob.CargoToEntity.HasDataBlob<ColonyInfoDB>())
{
orbitDB = datablob.CargoToEntity.GetDataBlob <ColonyInfoDB>().PlanetEntity.GetDataBlob <OrbitDB>();
}
dv = Distance.AuToKm(OrbitMath.MeanOrbitalVelocityInAU(orbitDB));
}
if (dv != null)
{
datablob.TransferRateInKG = CalcTransferRate((double)dv, datablob.CargoFromDB, datablob.CargoToDB);
}
}
/// <summary>
/// Calculates the DVD ifference.
/// </summary>
/// <returns>The delaV Difference in Km/s, null if not in imediate orbit</returns>
public static double?CalcDVDifferenceKmPerSecond(OrbitDB orbitDBFrom, OrbitDB orbitDBTo)
{
Entity toEntity = orbitDBTo.OwningEntity;
double?dv = null;
if (orbitDBFrom.Parent == toEntity) //Cargo going up the gravity well
{
dv = OrbitMath.MeanOrbitalVelocityInAU(orbitDBFrom);
}
else if (orbitDBFrom.Children.Contains(toEntity)) //Cargo going down the gravity well
{
dv = OrbitMath.MeanOrbitalVelocityInAU(orbitDBTo);
}
else if (orbitDBFrom.Parent == toEntity.GetDataBlob <OrbitDB>().Parent) //cargo going between objects orbiting the same body
{
dv = Math.Abs(OrbitMath.MeanOrbitalVelocityInAU(orbitDBFrom) - OrbitMath.MeanOrbitalVelocityInAU(orbitDBTo));
}
if (dv == null)
{
return(dv);
}
else
{
return(Distance.AuToKm((double)dv));
}
}