public static bool InverseStageDecouplesDeactivatedEngineOrTank(int inverseStage, Vessel v)
{
for (int i = 0; i < v.parts.Count; i++)
{
Part p = v.parts[i];
if (p.inverseStage == inverseStage && p.IsUnfiredDecoupler() && HasDeactivatedEngineOrTankDescendant(p))
{
return true;
}
}
return false;
}