[Flightgear-devel] RE: --aircraft=ufo in system.fgfsrc is ignored

[Geoff Air]

Hi,
RE: --aircraft=ufo in system.fgfsrc is ignored
*AND*
Re: [Flightgear-devel] Re: [Flightgear-cvslogs] CVS:
        FlightGear/src/Main fg_init.cxx, 1.115, 1.116
Well, it is 'not' ignored, exactly ... it is picked
up in the full scan of the 'command' options, later ... but
that is 'too late' ... the default c172 panel has been
loaded ... and the fact that ufo has no panel does not
'remove' the 'default' panel ...
Yep, you got it now ... my 'just before' meant before the
if( !aircraft.empty() ) else block, not exactly 1 line before
the line fgSetString("/sim/aircraft" ... ;=(( I did say
line 343 in my post ...
The 'purpose' of fgInitFGAircrat() is to establish
the 'Aircraft', first from 'command line' , but if none,
then from other places ... so in pseudo like code, it
cascades -
1. set aircraft = fgScanForOption( on command line, argc, argv );
2. #if unix or cygwin, if empty, check for .fgfsrc.hostname file
3. if empty, try "HOME" ".fgfsrc" };
4. if still empty - add my patch - check for $fg_root/system.fgfsrc );
ending with, as it does at present, unchanged -
 if NOT ( aircraft.empty() ) add it fgSetString("/sim/aircraft",...
 else complain/explain "No user specified aircraft, using default" ;
Sorry I did not make it clear ... I do not
have the 'diff' utility, but here is my 'diff' application
output -
// Compare [C:\FGCVS\FlightGear\source\src\Main\fg_init.cxx]
// Size:         64,642  02/01/05 00:10
// With    [C:\FG099\FlightGear\source\src\Main\fg_init.cxx]
// Size:         65,023  26/01/05 05:53
// Time: Left is EARLIER - CHECK!
=====================================================
 344  !>     if ( aircraft.empty() ) {
 345  !>        // Check for $fg_root/system.fgfsrc
 346  !>        SGPath sysconf( globals->get_fg_root() );
 347  !>        sysconf.append( "system.fgfsrc" );
 348  !>        aircraft = fgScanForOption( "--aircraft=", sysconf.str() );
 349  !>     }
 350  !>
=====================================================
The '!>' denotes 'added' lines, like a plus, +, in diff
Those who 'regularly' use system.fgfsrc, like I do,
to control each run of FG, and use 'panel-less'
aircraft, like ufo, have probably been 'adding' this
patch to fg_init for 'years' ;=)) Just trying to
'regularise' and share it ...
It crops up every now and then, with a query like - how can
I remove the panel? ...
Hope this helps ...
Regards,
Geoff.
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