--- ray/src/common/octree.c	1991/11/12 16:55:14	2.1
+++ ray/src/common/octree.c	1998/08/24 15:30:11	2.3
@@ -56,6 +56,21 @@ register OCTREE  ot;
 }
 
 
+octdone()			/* free EVERYTHING */
+{
+	register int	i;
+
+	for (i = 0; i < MAXOBLK; i++) {
+		if (octblock[i] == NULL)
+			break;
+		bfree((char *)octblock[i], (unsigned)256*8*sizeof(OCTREE));
+		octblock[i] = NULL;
+	}
+	ofreelist = EMPTY;
+	treetop = 0;
+}
+
+
 OCTREE
 combine(ot)			/* recursively combine nodes */
 register OCTREE  ot;