/// <summary>
/// 搜索行走路线，找到则返回列表，未找到返回null。
/// </summary>
/// <param name="iBgnX"></param>
/// <param name="iBgnY"></param>
/// <param name="iEndX"></param>
/// <param name="iEndY"></param>
/// <param name="entity">本次寻路相关联的对象</param>
/// <param name="whilteList">白名单列表，不阻挡通行。</param>
/// <returns></returns>
public LinkedList <IMoveGrid> SearchRoutes(int iBgnX, int iBgnY, int iEndX, int iEndY, TileEntity entity = null, List <TileEntity> whilteList = null)
{
Dictionary <TileEntity, bool> whiteHash = null;
if (whilteList != null)
{
whiteHash = new Dictionary <TileEntity, bool>();
foreach (var tar in whilteList)
{
whiteHash.Add(tar, true);
}
}
LinkedList <IMoveGrid> path = m_aStar.Search(new TilePoint(iBgnX, iBgnY), new TilePoint(iEndX, iEndY), new AStarUserContext(this, entity, whiteHash));
// DEBUG
if (path != null)
{
m_dbgLastRoute = new LinkedList <IMoveGrid>();
foreach (var v in path)
{
m_dbgLastRoute.AddFirst(v);
}
}
else
{
m_dbgLastRoute = null;
}
return(path);
}
/// <summary>
/// 更新paths，并取下一个node位置
/// </summary>
/// <param name="currentX"></param>
/// <param name="currentY"></param>
public void findUpdatedPath(int currentX, int currentY)
{
PathSolver <MyPathNode, System.Object> aStar = new PathSolver <MyPathNode, System.Object>(Game.grid);
IEnumerable <MyPathNode> path = aStar.Search(new Vector2(currentX, currentY), new Vector2(endGridPosition.x, endGridPosition.y), null);
int x = 0;
if (path != null)
{
foreach (MyPathNode node in path)
{
if (x == 1)
{
nextNode = node;
break;
}
x++;
}
foreach (GameObject g in GameObject.FindGameObjectsWithTag("GridBox"))
{
if (g.GetComponent <Renderer>().material.color != Color.red && g.GetComponent <Renderer>().material.color == myColor)
{
g.GetComponent <Renderer>().material.color = Color.white;
}
}
foreach (MyPathNode node in path)
{
GameObject.Find(node.X + "," + node.Y).GetComponent <Renderer>().material.color = myColor;
}
}
}
