#ifndef QUADTREE_DISABLED
QuadTreeIndex m_current_quadtree_node; // The highest node we will traverse.
int m_quadtree_max_depth; // The maximum quadtree depth.
#ifndef QUADTREE_DISABLED
QuadTreeIndex m_current_quadtree_node; // The highest node we will traverse.
int m_quadtree_max_depth; // The maximum quadtree depth.