#include maps\_ambient; main() { // Set the underlying ambient track level.ambient_track [ "bridge_ext0" ] = "ambient_bridge_ext0"; ambientDelay( "bridge_ext0", 7.0, 15.0 );// Trackname, min and max delay between ambient events ambientEvent( "bridge_ext0", "null", 1.0 ); thread maps\_utility::set_ambient( "bridge_ext0" ); }