* Add a new command line option: --sound-device=""
This makes OpenAL use the sepcified audio device instead of the default
output device. (Look for playback devices when calling openal-info of alcinfo)
Together with previous patch, make view reference frame, view offset,
and current view visible in property tree.
Also some comments about the concepts behind these variables.
Add a view debugging functions and represent the viewer quats in the property tree for debugging.
Do a nontrivial calculation, demonstrating how to find the 12:00 orientation given the view and the view offset. it, and observe that the 12:00 direction does not change when you change the view offset, which is a nontrivial result.
Erik: This already proved to be useful since I now obserbed that the sky and fog coloring code depends on view offset rather that the view orientations. This is why those effects are out of line in some views.
8:: AWOS is available at AWOS locations. (Previously only ATIS was
implemented.)
9:: ATIS phraseology now more nearly conforms to international
standard METAR pattern, and therefore to usual FAA practice.(*)
Items marked with a (*) are fully implemented in the /text/ of the
ATIS message, but the voiced version of the message is degraded by
limitations of the FGFS built-in text-to-speech system.
10:: ATIS now reports sky condition.(*)
11:: ATIS now reports multiple layers of clouds, not just the lowest
layer.(*)
12:: ATIS now takes field elevation into account when calculating
sky condition and ceiling.
13:: ATIS now reports dewpoint.(*)
14:: ATIS now can handle negative quantities (temperature and dewpoint).(*)
15:: ATIS can now report report fractional-mile visibility.(*)
16:: ATIS now uses magnetic (not true) wind directions, as it should.
17:: ATIS generates correct runway number and suffix (nine right,
one one left).
18:: ATIS can be received on nav frequencies, not just comm.
19:: Nothing bad happens if the same ATIS is tuned up on more than
one receiver.
20:: ATIS can be updated at times other than at the top of the hour.
21:: ATIS listens for an "attention" signal, and responds to changes
in the weather by issuing a new ATIS message (somewhat like a
"special observation").
22:: ATIS volume now responds to radio volume setting.
23:: Area-related services (i.e. approach radar) are handled
more-nearly consistently with radio-frequency related services.
24:: ATIS sequence-letter generation has been fixed.
25:: ATIS messages are now in the property tree, so they can be read
e.g. via the http interface.
Patches for configure.ac and Makefile.am files in FG/SG so Mac developers can build these in a unix way.
These also enables Mac developers to choose either PLIB framework or PLIB static libs.
FG crashes at exit at very high likelihood.
The cause of the crash is that some subsystems (input and gui) call get_subsystems() at their destructor.
This is very dangerous since SGSubSystemMgr::get_subsystem() can refer to already deleted subsystems.
