Fifth Patch (v1.1.2)
It seems that all major issues have actually been resolved as of the
previous version. Thus, I can now finally focus on refining the
experience, and start tackling subtler issues and preferences. This
patch is full of small improvements that don't change the game, but
should make for a smoother experience.
For example, there was an interesting issue with helicopters: When a
helicopter touches down, it immediately finishes the current mission
and unloads the payload. Normally, this is not an problem. But in
some cases, with particularly heavy payloads and particularly smooth
touch downs, taking off the payload would make the helicopter light
enough to float up again! So with v1.1.2, helicopter missions will
only finish once touched down and the collective is reduced (see
settings.lua for the particular threshold).
Another issue were taxi speeds and cruise speeds. The centerline
deviation is only calculated if the aircraft is moving faster than the
taxi speed, but a perfectly reasonable taxi speed for a passenger jet
will be far beyond the takeoff speed of small ultralights. So now the
taxi speed is determined either by a minimum of 30 km/h, or a quarter
of the stall speed, whichever is higher (Again, adjustable in
settings.lua). Similarly, the cruise speed is now the mean of the
maneuvering speed and top speed (center of the yellow arc), which is
probably conservative for turbine-powered aircraft, and a bit too fast
for piston aircraft, but in any case much better than before.
A third issue was a real head-scratcher: Sometimes, some X-Plane
datarefs would apparently contain invalid data. This seems to happen
randomly, but more often at very low frame rates (which I don't run)
and in conjunction with a lot of other plugins (which I don't use). As
such, I could never reproduce these issues. The root cause is probably
a bug in SASL or X-Plane, and not under my control. And in any case,
most of the time, these little hickups would not matter much, and
merely cause a transient error in the X-Plane log or a short flicker
on the briefing screen. But sometimes, in very rare cases, they
would block mission progress, or prevent mission success. I have added
workarounds for these cases, which will hopefully make them
And finally, there are of course a number of additional bug fixes,
like fixes for the payload name generation, time formatting in the
briefing and debriefing, overly-unreliable missions, and a renamed
Fourth Patch (v1.1.1)
The last patch (v1.1.0) added the ability to rebuild the Mission
Generator's scenery database from the actual sceneries' apt.dat files.
While this fixed many issues, some people had add-on sceneries with
incorrectly formatted apt.dat files, which tripped up the database
The resulting incomplete scenery database lead to empty mission lists or
even freezes when opening the mission list (if you had one of those
malformed sceneries). As always, this problem did not happen on my
machine, since none of my sceneries had these problems.
Thus, I now added some scenery validation code which should prevent
malformed apt.dat files from messing up the whole scenery database.
Additionally, the patch fixes a bunch of smaller issues, such as payload
issues, mission distance issues, and more mission templates. And I have
a new theory on why the centerline deviation is sometimes way off: It
might be because the Mission Generator interprets taxiing too fast as
part of the takeoff roll. If you experience the centerline issue, try
taxiing slower than 30 km/h (15 kt).
Third Patch (v1.1.0) (fixes the Centerline Issue)
As reported before, the Mission Generator used to report incorrect
centerline deviations for certain third-party sceneries, and would
never show some sceneries as mission destinations.
Both of these issues were due to X-Plane not giving plugins
information about runways, which meant that the Mission Generator used
its own runway database that I created offline from X-Plane's apt.dat.
Of course, this database would not show any changed runway layouts or
added runways from third-party sceneries, or X-Plane's own global
As of v1.1.0, the Mission Generator intelligently reads your installed
sceneries, and builds a new runway database every time you install a
new scenery. The process can take a few seconds to finish, but it is
only run if your scenery changes. If you think it might not have
picked up on a new scenery, you can also start the rebuild manually
from the menu bar.
Second Patch (v1.0.2)
- Fixes debriefing issue (thank you, shaja, for finding and fixing it!)
That Centerline Issue
Some people are seeing an issue where the Takeoff centerline deviation
and landing centerline deviation are wildly off. This is caused by
add-on airports, or an updated apt.dat, which moved the runway
Since X-Plane does not give plugins information about the locations of
runways, the Mission Generator has its own database of runway locations,
derived from X-Plane's default apt.dat. Thus, if an add-on moves the
runway locations, the Mission Generator won't know about it, and will
assume you landed in the wheeds.
To fix this, I will add a new menu option to rebuild the scenery
database in a future update. But this is a bigger undertaking, and will
take a few days.
As a nice side benefit, this will make completely new add-on airports
available as mission targets as well.