public int Move()
{
moveCount++;
Leaf now = st.Peek();
Leaf next = now.GetNextLeaf();
if (next != null)
{
next.Cross = false;
st.Push(next);
//System.Diagnostics.Debug.WriteLine(moveCount + ":" + now.Name + " -> " + next.Name);
if (next == marsh.goal && marsh.isComplete())
{
return(1);
}
}
else
{
next = st.Pop();
//System.Diagnostics.Debug.WriteLine(moveCount + ":" + now.Name + " back");
if (st.Count == 0)
{
return(-1);
}
}
return(0);
}
