Do not print "couldn't determine section" warning when all traverser ends were end-of-track

advtrains_interlocking/database.lua

@@ -434,16 +434,17 @@ end
 -- Utilize the traverser to find the track section at the specified position
 -- Returns:
 -- ts_id, origin - the first found ts and the sigd of the found tcb
--- nil - there were no TCBs in TRAVERSER_MAX range of the position, or track ends were reached
+-- nil - there were no TCBs in TRAVERSER_MAX range of the position
--- false - the first found TCB stated End-Of-Interlocking
+-- false - the first found TCB stated End-Of-Interlocking, or track ends were reached
 function ildb.get_ts_at_pos(pos)
 	local node_ok, conns, rhe = advtrains.get_rail_info_at(pos, advtrains.all_tracktypes)
 	if not node_ok then
 		error("get_ts_at_pos but node is NOK: "..minetest.pos_to_string(pos))
 	end
+	local limit_hit = false
 	local found_tcbs = {}
 	for connid, conn in ipairs(conns) do -- Note: a breadth-first-search would be better for performance
-		traverser(found_tcbs, pos, conns, connid, 0, 1)
+		limit_hit = limit_hit or traverser(found_tcbs, pos, conns, connid, 0, 1)
 		if #found_tcbs >= 1 then
 			local tcbs = ildb.get_tcbs(found_tcbs[1])
 			local ts
@@ -454,7 +455,13 @@ function ildb.get_ts_at_pos(pos)
 			end
 		end
 	end
-	return nil
+	if limit_hit then
+		-- there was at least one limit hit
+		return nil
+	else
+		-- all traverser ends were track ends
+		return false
+	end
 end