Ugly workaround for green signals bug

advtrains/init.lua

@@ -459,6 +459,9 @@ function advtrains.save(remove_players_from_wagons)
 		atlatc.save()
 	end
 	atprint("[save_all]Saved advtrains save files")
+	
+	--TODO very simple yet hacky workaround for the "green signals" bug
+	advtrains.invalidate_all_paths()
 end
 minetest.register_on_shutdown(advtrains.save)
 

advtrains_interlocking/ars.lua

@@ -124,5 +124,8 @@ function advtrains.interlocking.ars_check(sigd, train)
 		--delay routesetting, it should not occur inside train step
 		-- using after here is OK because that gets called on every path recalculation
 		minetest.after(0, il.route.update_route, sigd, tcbs, rteid, nil)
+	else
+		-- just "punch" routesetting, just in case callback got lost.
+		minetest.after(0, il.route.update_route, sigd, tcbs, nil, nil)
 	end
 end