/// <summary>
/// 添加单独数据（三小路）
/// </summary>
/// <param name="it"></param>
/// <param name="bigRoad"></param>
/// <returns></returns>
public bool AddSingleItem(RoadNode it, RoadNodeTable bigRoad)
{
bool returnState = false;
//满足此两项条件 方可产生节点
if (it.X > Nstep || (it.X == Nstep && it.Y > 1))
{
//看整齐
if (it.Y == 1)
{
returnState = InsertNode(bigRoad.GetRolCount(it.X - 2) == bigRoad.GetRolCount(it.X + 1 - Nstep));
}
else
{
//看有无
int nTempX = it.X + 1 - Nstep;
returnState = bigRoad.CheckHasNode(nTempX, it.Y) ? InsertNode(true) : InsertNode(!bigRoad.CheckHasNode(nTempX, it.Y - 1));
}
}
return(returnState);
}
