public static Link[] GetRightElements(Link startLink, Link rightLink)
{
var result = new Link[4];
TryStepRight(startLink, rightLink, result, 0);
startLink.WalkThroughReferersByTarget(couple =>
{
if (couple.Linker == Net.And)
if (TryStepRight(couple, rightLink, result, 2))
return Link.Stop;
return Link.Continue;
});
return result;
}
public static bool TryStepLeft(Link startLink, Link leftLink, Link[] result, int offset)
{
int added = 0;
startLink.WalkThroughReferersByTarget(couple =>
{
if (couple.Linker == Net.And)
{
var coupleSource = couple.Source;
if (coupleSource == leftLink)
{
result[offset] = couple;
if (++added == 2)
return Link.Stop;
}
else if (coupleSource.Linker == Net.And && coupleSource.Target == leftLink)
{
result[offset + 1] = couple;
if (++added == 2)
return Link.Stop;
}
}
return Link.Continue;
});
return added > 0;
}
