public void FindNearQuadNodes(PFQuadCircle quadNode, List <PFQuadCircle> tempList)
{
PFQuadTree quadTree = root;
__FindNearQuadNodes(root, quadNode, tempList);
}
/// <summary>
/// 添加节点
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="quadNode">节点</param>
public PFQuadNodeState AddQuadNode(PFQuadCircle quadNode)
{
PFQuadNodeState state = quadNode.CheckState(this);
int index = 0;
switch (state)
{
//在自己范围内，如果在子节点内，则由子节点持有。如果与子节点相交或者不存在子节点，则自己持有
case PFQuadNodeState.In:
if (children != null)
{
index = quadNode.point.x <= (rect.x + rect.x1) / 2 ? 0 : 1;
index = quadNode.point.y <= (rect.y + rect.y1) / 2 ? index : index + 2;
switch (children[index].AddQuadNode(quadNode))
{
case (PFQuadNodeState.In):
return(PFQuadNodeState.In);
case (PFQuadNodeState.Intersect):
break;
case (PFQuadNodeState.Out):
Debug.Fail("AddQuadNode 异常：子节点状态OUT");
return(PFQuadNodeState.Out);
}
}
quadLinkedList.AddLast(quadNode);
quadNode.parentLinkNode = quadLinkedList.Last;
quadNode.parent = this;
break;
//相交则不保存，由父节点继续持有
case PFQuadNodeState.Intersect:
if (parent == null)
{
UnityEngine.Debug.LogError("AddQuadNode 异常：节点不在根数节点内");
}
break;
case PFQuadNodeState.Out:
UnityEngine.Debug.LogError("AddQuadNode 异常：状态OUT");
break;
}
//如果数量超过容纳范围，则将当前格子分裂4块
if ((children == null) && (quadLinkedList.Count > PATH_FINDER_CONTAIN_NUMBER))
{
children = new PFQuadTree[4];
for (int i = 0; i < 4; i++)
{
int x = rect.x + (rect.x1 - rect.x) / 2 * (i % 2);
int y = rect.y + (rect.y1 - rect.y) / 2 * (i / 2);
int x1 = x + (rect.x1 - rect.x) / 2;
int y1 = y + (rect.y1 - rect.y) / 2;
children[i] = MctCacheManager.GetInstantiateFromCache <PFQuadTree>();
if (children[i] != null)
{
children[i].InitRuntime(root, this, new PFRect(x, y, x1, y1), depath + 1);
}
else
{
children[i] = new PFQuadTree(root, this, new PFRect(x, y, x1, y1), depath + 1);
}
}
//将父节点的节点转到子节点
LinkedListNode <PFQuadCircle> node;
LinkedListNode <PFQuadCircle> nodeNext;
node = quadLinkedList.First;
while (node != null)
{
nodeNext = node.Next;
PFQuadCircle tempQuadNode = node.Value;
index = tempQuadNode.point.x <= (rect.x + rect.x1) / 2 ? 0 : 1;
index = tempQuadNode.point.y <= (rect.y + rect.y1) / 2 ? index : index + 2;
switch (children[index].AddQuadNode(tempQuadNode))
{
case (PFQuadNodeState.In):
quadLinkedList.Remove(node);
break;
case (PFQuadNodeState.Intersect):
break;
case (PFQuadNodeState.Out):
Debug.Fail("AddQuadNode 异常：分配子节点状态OUT");
break;
}
node = nodeNext;
}
}
return(state);
}
/// <summary>
/// 移除节点
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="quadNode">节点</param>
public void RemoveQuadNode(PFQuadCircle quadNode)
{
quadNode.parent.quadLinkedList.Remove(quadNode.parentLinkNode);
quadNode.parentLinkNode = null;
quadNode.parent = null;
}
