// Outputs the transmission either on screen or as audio depending on user preference
// The refname is a string to identify this sample to the sound manager
// The repeating flag indicates whether the message should be repeated continuously or played once.
// Outputs the transmission either on screen or as audio depending on user preference
// The refname is a string to identify this sample to the sound manager
// The repeating flag indicates whether the message should be repeated continuously or played once.
// Cease rendering a transmission.
// Requires the sound manager refname if audio, else "".
// Cease rendering a transmission.
// Requires the sound manager refname if audio, else "".
bool _trackSet; // Set true if tgtTrack is to be followed
double _tgtRoll;
bool _rollSuspended; // Set true when a derived class has suspended AIPlane's roll control
bool _trackSet; // Set true if tgtTrack is to be followed
double _tgtRoll;
bool _rollSuspended; // Set true when a derived class has suspended AIPlane's roll control