public void AddNode(int x, int y, MapGridNode node)
{
//索引表
mapGridCoordIndexArray[x, y] = node;
//原表
mapGridNodeList.Add(node);
}
//请求Astar寻路
public static void RequestPathFind(MapGridNode beginNode, MapGridNode endNode, MapInfo mapInfo, AstarResult callback, Object targetObj = null)
{
//TODO 通过策略，决定用什么寻路方法,此处用Astar
AstarPathFinder pathFinder = new AstarPathFinder(beginNode, endNode, mapInfo, callback);
pathFinder.FindPath();
}
public AstarPathFinder(MapGridNode begin, MapGridNode end, MapInfo mapInfo, AstarResult callback)
{
findMapInfo = mapInfo;
targetMapPathFindData = CreatPathFindData(mapInfo);
beginNode = targetMapPathFindData[begin.coordx, begin.coordy];
endNode = targetMapPathFindData[end.coordx, end.coordy];
findResultCallback = callback;
}
//根据地图数据，生成寻路信息
private AstarNode[,] CreatPathFindData(MapInfo mapInfo)
{
AstarNode[,] targetMapPathFindData = new AstarNode[mapInfo.mapLength, mapInfo.mapWith];
for (int i = 0; i < mapInfo.nodeCount; i++)
{
MapGridNode thisNode = mapInfo.GetNodeByIndex(i);
targetMapPathFindData[thisNode.coordx, thisNode.coordy] = new AstarNode(thisNode.coordx, thisNode.coordy);
}
return(targetMapPathFindData);
}
void RandomCreatBarrierAndBeginNode()
{
if (barrierCount > this.transform.childCount)
{
Debug.LogWarning("Invalid barrierCount is " + barrierCount);
return;
}
List <int> barrierIndexList = new List <int>();
while (barrierIndexList.Count < barrierCount)
{
//range函数左闭，右开
int index = UnityEngine.Random.Range(0, mapInfo.nodeCount);
if (!barrierIndexList.Contains(index))
{
barrierIndexList.Add(index);
GameObject barrierGrid = Instantiate(barrierPrefab);
MapGridNode randomNode = mapInfo.GetNodeByIndex(index);
barrierGrid.transform.SetParent(randomNode.gameObject.transform);
barrierGrid.transform.position = barrierGrid.transform.parent.position;
//障碍物节点替换原平地节点
BarrierNode barrierNode = new BarrierNode(randomNode.coordx, randomNode.coordy, randomNode.pos, randomNode.gameObject, barrierGrid);
mapInfo.ChangeNode(randomNode.coordx, randomNode.coordy, barrierNode, index);
}
}
while (beginNode == null)
{
int index = UnityEngine.Random.Range(0, mapInfo.nodeCount);
if (!barrierIndexList.Contains(index))
{
beginNode = mapInfo.GetNodeByIndex(index) as FlatNode;
beginNode.isBegin = true;
}
}
}
private void Update()
{
if (mapCreater.initMap)
{
if (Input.GetMouseButtonDown(0))
{
mapCreater.GetMapInfo().CleanShowPath();
RaycastHit hitInfo;
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
if (Physics.Raycast(ray, out hitInfo, 100))
{
if (hitInfo.transform.name != "barrier(Clone)")
{
MapGridNode endNode = mapCreater.GetMapInfo().GetNodeByName(hitInfo.transform.name);
PathFindMgr.RequestPathFind(mapCreater.beginNode, endNode, mapCreater.GetMapInfo(), FindComplete);
Debug.Log("终点是：" + hitInfo.transform.name);
}
}
}
}
}
public void ChangeNode(int x, int y, MapGridNode node, int index)
{
mapGridCoordIndexArray[x, y] = node;
mapGridNodeList[index] = node;
}
