private void ExtractFromProfileAndStore()
{
if (_edgeFactor != null)
{
return;
}
var attributes = _enumerator.GetAttributes();
_edgeFactor = _profile.Factor(attributes);
_length = _enumerator.EdgeLength();
_weightForward = 0;
_weightBackward = 0;
// WARNING: always store forward and reverse when we have the actual direction, the edge won't always be accessed in the same direction.
if (_edgeFactor.Value.ForwardFactor != _edgeFactor.Value.BackwardFactor)
{
if (_edgeFactor.Value.ForwardFactor == 0)
{
_weightBackward = _edgeFactor.Value.BackwardFactor * _length;
_coder.Set(_enumerator.Enumerator, _weightBackward.Value + (1 << 25));
return;
}
else if (_edgeFactor.Value.BackwardFactor == 0)
{
_weightForward = _edgeFactor.Value.ForwardFactor * _length;
_coder.Set(_enumerator.Enumerator, _weightForward.Value + (1 << 26));
return;
}
else
{
Console.WriteLine($"Cannot store weight for {_enumerator.GetAttributes()}");
return;
}
}
_weightForward = _edgeFactor.Value.ForwardFactor * _length;
_weightBackward = _weightForward;
if (_weightForward > (1 << 24))
{
Console.WriteLine($"Cannot store weight for {_enumerator.GetAttributes()}: > {1 << 24}");
return;
}
_coder.Set(_enumerator.Enumerator, _weightForward.Value);
}
internal static EdgeFactor FactorInEdgeDirection(this RouterDbEdgeEnumerator enumerator, Profile profile)
{
var factor = profile.Factor(enumerator.GetAttributes());
if (!enumerator.Forward)
{
factor = factor.Reverse;
}
return(factor);
}