+.float nearestwaypointtimeout;
+
+/*
+// item it is linked from waypoint it.wpXX (INCOMING link)
+// links are sorted by their cost (wpXXmincost)
+.entity wp00, wp01, wp02, wp03, wp04, wp05, wp06, wp07, wp08, wp09, wp10, wp11, wp12, wp13, wp14, wp15;
+.entity wp16, wp17, wp18, wp19, wp20, wp21, wp22, wp23, wp24, wp25, wp26, wp27, wp28, wp29, wp30, wp31;
+
+.float wp00mincost, wp01mincost, wp02mincost, wp03mincost, wp04mincost, wp05mincost, wp06mincost, wp07mincost;
+.float wp08mincost, wp09mincost, wp10mincost, wp11mincost, wp12mincost, wp13mincost, wp14mincost, wp15mincost;
+.float wp16mincost, wp17mincost, wp18mincost, wp19mincost, wp20mincost, wp21mincost, wp22mincost, wp23mincost;
+.float wp24mincost, wp25mincost, wp26mincost, wp27mincost, wp28mincost, wp29mincost, wp30mincost, wp31mincost;
+*/
+
+#define navigation_item_islinked(from_wp, to_item) waypoint_islinked(to_item, from_wp)
+#define navigation_item_addlink(from_wp, to_item) \
+ waypoint_addlink_customcost(to_item, from_wp, waypoint_getlinkcost(from_wp, to_item))
+
+#define TELEPORT_USED(pl, tele_wp) \
+ boxesoverlap(tele_wp.absmin, tele_wp.absmax, pl.lastteleport_origin + STAT(PL_MIN, pl), pl.lastteleport_origin + STAT(PL_MAX, pl))
+
+vector tracewalk_dest;
+float tracewalk_dest_height;