private static void AddChildren(State state, int level)
{
if (level > 1)
{
foreach (var ch in state.Children)
AddChildren(ch, level - 1);
return;
}
var child = new State(state, null);
stateCount++;
if(!child.ImpossibleState)
state.Children.Add(child);
while ((child = child.NextSibling()) != null)
{
stateCount++;
if(!child.ImpossibleState)
state.Children.Add(child);
}
}
private static void AddSiblings(List<State> states, State state)
{
if(!state.ImpossibleState)
states.Add(state);
while ((state = state.NextSibling()) != null)
{
if(!state.ImpossibleState)
states.Add(state);
}
}