private bool SaveQuadTreeObject(QuadNode root, StreamWriter strWriter)
{
if (root == null)
return false;
//write object's information
List<Item> allItem = root.GetAllObjects();
for (int i = 0; i < allItem.Count; i++)
{
strWriter.WriteLine("" + root.Id + " " // node id
+ allItem[i].ItemInfoID + " " // item id
+ allItem[i].ItemRectangle.X + " " // position X
+ allItem[i].ItemRectangle.Y + " " // position Y
+ allItem[i].ItemRectangle.Width + " " // partition width
+ allItem[i].ItemRectangle.Height // partition height
);
}
if (root.NodeLT != null)
SaveQuadTreeObject(root.NodeLT, strWriter); // save objects in left-top node
if (root.NodeLB != null)
SaveQuadTreeObject(root.NodeLB, strWriter); // save objects in left-bottom node
if (root.NodeRB != null)
SaveQuadTreeObject(root.NodeRB, strWriter); // save objects in right-bottom node
if (root.NodeRT != null)
SaveQuadTreeObject(root.NodeRT, strWriter); // save objects in right-top node
return true;
}
