节点：
int plane
Plane index.
int[2] children Children indices. Negative numbers are leaf indices: -(leaf+1). int[3] mins Integer bounding box min coord. int[3] maxs Integer bounding box max coord.
叶子：
int cluster Visdata cluster index. int area Areaportal area. int[3] mins Integer bounding box min coord. int[3] maxs Integer bounding box max coord. int leafface First leafface for leaf. int n_leaffaces Number of leaffaces for leaf. int leafbrush First leafbrush for leaf. int n_leafbrushes Number of leafbrushes for leaf.
更多信息，参考http://www.mralligator.com/q3/#Nodes
http://www.mralligator.com/q3/
C:\Documents and Settings\Administrator\My Documents\Downloads\RenderingQuake3Maps.mht
