+ if( (route->best_laptime == 0.0) || (lap_time < route->best_laptime) ){
+ route->best_laptime = lap_time;
+ }
+
+ route->flags |= k_ent_route_flag_achieve_silver;
+ if( clean ) route->flags |= k_ent_route_flag_achieve_gold;
+ ent_region_re_eval( world );
+
+ /* for steam achievements. */