X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Fquadtree.h;h=1c1c0254c6441d289cbdde2daba561ec21057973;hp=ac0214685a2a44e888976fdc5f87395c64ba1353;hb=58a6719da2337b3e6e20b581885f170bbe5fc480;hpb=138ee74c900c6f485cdd959d55c01099d6043661

diff --git a/src/quadtree.h b/src/quadtree.h
index ac02146..1c1c025 100644
--- a/src/quadtree.h
+++ b/src/quadtree.h
@@ -39,6 +39,8 @@ namespace IPDF
 		unsigned object_begin;
 		// Last object in the node.
 		unsigned object_end;
+		// Linked list of "extra" nodes
+		QuadTreeIndex next_overlay;
 	};
 
 	struct QuadTree
@@ -47,7 +49,7 @@ namespace IPDF
 		QuadTreeIndex root_id;
 		std::vector<QuadTreeNode> nodes;
 
-		QuadTreeIndex GetNeighbour(QuadTreeIndex start, int xdir, int ydir);
+		QuadTreeIndex GetNeighbour(QuadTreeIndex start, int xdir, int ydir) const;
 
 	};