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FGFS-4.1:v.1.8.1 FGFS-4.1:v.1.8.0 FGFS-4.1:v.1.7.0 FGFS-4.1:v.1.6.0 FGFS-4.1:v.1.5.0 FGFS-4.1:v.1.4.1 FGFS-4.1:v.1.4.0 FGFS-4.1:v.1.3.0 FGFS-4.1:v.1.2.0 FGFS-4.1:v.1.1.0 FGFS-4.1:v.1.0.0
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compare: FGFS-4.1:v.1.8.1
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FGFS-4.1:main FGFS-4.1:sound
FGFS-4.1:v.1.8.1 FGFS-4.1:v.1.8.0 FGFS-4.1:v.1.7.0 FGFS-4.1:v.1.6.0 FGFS-4.1:v.1.5.0 FGFS-4.1:v.1.4.1 FGFS-4.1:v.1.4.0 FGFS-4.1:v.1.3.0 FGFS-4.1:v.1.2.0 FGFS-4.1:v.1.1.0 FGFS-4.1:v.1.0.0

40 Commits
v.1.1.0 ... v.1.8.1

Author SHA1 Message Date
PlayeRom
a9b20818cd Update version to 1.8.1 2022-09-17 20:34:06 +02:00
PlayeRom
f529f2ce7c Improve the approach to landing 2022-09-17 20:32:56 +02:00
PlayeRom
1d5bd7c7f5 Update version to 1.8.0 2022-09-09 19:04:05 +02:00
PlayeRom
c60097c8cd Update readme 2022-09-09 03:58:51 +02:00
PlayeRom
f3d50cc815 The plane returns to the airport from which it took off 
There is one problem, that on touch down the plane is going underground on the short while.
 2022-09-09 03:48:20 +02:00
PlayeRom
cbc1888425 Update version to 1.7.0 2022-08-26 20:59:48 +02:00
PlayeRom
ea72151d48 Add possibility to set max altitude in route dialog 2022-08-26 20:57:41 +02:00
PlayeRom
bcd7d3cca8 Update version to 1.6.0 2022-08-23 12:28:21 +02:00
PlayeRom
6cd64a486a Correction for comment and indents as spaces 2022-08-23 12:19:22 +02:00
PlayeRom
93a0d6f46d Merge pull request #3 from wlbragg/Sound-configuration-change 
Remove unused sounds, interior and exterior sound
 2022-08-23 12:14:37 +02:00
wlbragg
f4356c079f Remove unused sounds, interior and exterior sound 2022-08-22 15:32:06 -05:00
PlayeRom
9ed54d98b6 Add true and false global variables as aliases for boolean types to distinguish the use of "int" from "bool". 2022-08-22 16:29:31 +02:00
PlayeRom
b12e139b2c Update version to 1.5.0 2022-08-22 00:43:45 +02:00
PlayeRom
b1403b3066 Add Towrope Configuration dialog 2022-08-21 21:38:19 +02:00
PlayeRom
3376a6f35d Use towrope length for initial distance of AI plane 2022-08-21 21:35:15 +02:00
PlayeRom
1d22597d3f Update comments 2022-08-21 13:20:13 +02:00
PlayeRom
467336590b Add Timer class for simplify use maketimer() function with single shot 2022-08-21 13:10:42 +02:00
PlayeRom
5ce9a0a299 Update version to 1.4.1 2022-08-20 22:15:25 +02:00
PlayeRom
dff16702d4 Fix crash by missing parameter 2022-08-20 22:14:24 +02:00
PlayeRom
97e02a332a Update version to 1.4.0 2022-08-20 21:51:26 +02:00
PlayeRom
9acdec8ae6 Add possibility to save/load route waypoints with description 2022-08-20 21:49:31 +02:00
PlayeRom
5ad232b83e Merge pull request #2 from frougon/French-translation-of-metadata 
Add French translation in addon-metadata.xml
 2022-08-20 18:57:52 +02:00
Florent Rougon
e39815b44c Add French translation in addon-metadata.xml 2022-08-20 17:29:47 +02:00
PlayeRom
09a52f18ab Code review 2022-08-20 03:53:42 +02:00
PlayeRom
e06948d99d Add a separate engine sound for the DR400 2022-08-20 02:49:15 +02:00
PlayeRom
51fe8f095e Add possibility to take off in the bush. 2022-08-20 01:25:12 +02:00
PlayeRom
8a0eaab753 Add Douglas C-47 to route dialog and update performance 2022-08-19 22:15:08 +02:00
PlayeRom
3c49ba9d47 Merge pull request #1 from wlbragg/Add-C-47-tow-plane 
Add Douglas C-47 tow plane
 2022-08-19 21:05:54 +02:00
wlbragg
da1527c945 Add Douglas C-47 tow plane 2022-08-19 00:42:45 -05:00
PlayeRom
459e3a965a Fix message typo 2022-08-19 03:43:15 +02:00
PlayeRom
b1f1ef4a28 Add "FlightPlanWriter" facade 2022-08-19 03:39:09 +02:00
PlayeRom
3c306ca039 Rewrite with use Object Oriented Programming 2022-08-19 02:36:36 +02:00
PlayeRom
92fd83615d Update comments and code review 2022-08-18 20:09:00 +02:00
PlayeRom
29103533fb Update version to 1.3.0 2022-08-18 19:24:02 +02:00
PlayeRom
5aa5f731a6 Fix for stop playing engine sound when scenario is going to disable 2022-08-18 19:17:26 +02:00
PlayeRom
1982df9f16 WIP: add engine sound for the AI planes 
There is unresolved problem with stop playing sound after disable scenario
 2022-08-18 11:39:22 +02:00
PlayeRom
bd40f6830e Update version to 1.2.0 2022-08-17 01:59:07 +02:00
PlayeRom
1f8ea67e44 Add possibility to change the flight plan of AI tow plane 2022-08-17 01:55:10 +02:00
PlayeRom
0c3046da80 Code review for thermal 2022-08-17 00:54:38 +02:00
PlayeRom
267b231d8c Code review 2022-08-16 13:20:33 +02:00
73 changed files with 551505 additions and 699 deletions
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40
CHANGELOG.md
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@@ -1,5 +1,45 @@
# CHANGELOG
## v.1.8.1
- Improve the approach to landing
## v.1.8.0
- The tow plane, after completing its route, returns to the runway from which it took off. For a bush take-off it does not land.
## v.1.7.0
- Add possibility to set max altitude in route dialog
## v.1.6.0
- Add sound support from internal and external view for C-74 aircraft (thanks to wlbragg)
## v.1.5.0
- Add Towrope Configuration dialog
## v.1.4.1
- Fix crash by missing parameter
## v.1.4.0
- Add Douglas C-47 as a tow plane (thanks to wlbragg)
- Add possibility to take off in the bush
- Add a separate engine sound for the DR400
- Add French translation of meta data (thanks to Florent)
- Add possibility to save/load route waypoints with description
## v.1.3.0
- Add engine sound for AI aircrafts
## v.1.2.0
- Add possibility to change the flight plan of AI tow plane.
## v.1.1.0
- Fix AI aircraft going underground during take-off due to uneven runway elevations.

266
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423789
FGData/AI/Aircraft/Aerotow/C-47/Models/c-47.ac Normal file
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FGData/AI/Aircraft/Aerotow/C-47/Sound/Croisiere_ext_2.wav Normal file
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FGData/AI/Aircraft/Aerotow/C-47/Sound/sound.xml Normal file
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<?xml version="1.0"?>
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7
FGData/AI/Aircraft/Aerotow/Cub/Models/Cub-ai.xml Normal file
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<?xml version="1.0"?>
<PropertyList include="AI/Aircraft/Cub/Models/Cub-ai.xml">
<sound>
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7
FGData/AI/Aircraft/Aerotow/DR400/Models/dr400-ai.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<PropertyList include="AI/Aircraft/DR400/Models/dr400-ai.xml">
<sound>
<path>AI/Aircraft/Aerotow/DR400/Sound/sound.xml</path>
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44494
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<animation>
<type>material</type>
<object-name>Light</object-name>
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FGData/AI/Aircraft/Aerotow/DR400/Models/light/ToggleLight.xml Normal file
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FGData/AI/Aircraft/Aerotow/DR400/Models/light/WhiteLight.xml Normal file
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<animation>
<type>material</type>
<object-name>Light</object-name>
<emission>
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<blue> 1.0 </blue>
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FGData/AI/Aircraft/Aerotow/DR400/Models/light/beacon.xml Normal file
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<animation>
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<effect>
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FGData/AI/Aircraft/Aerotow/DR400/Sound/sound.xml Normal file
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FGData/AI/Aircraft/Aerotow/c182/Models/BeaconLight.xml Normal file
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<PropertyList>
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<animation>
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<animation>
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FGData/AI/Aircraft/Aerotow/c182/Models/StrobeLight.xml Normal file
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<animation>
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<animation>
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FGData/AI/Aircraft/Aerotow/c182/Models/ToggleLight.xml Normal file
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<?xml version="1.0"?>
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FGData/AI/Aircraft/Aerotow/c182/Models/c182-dpm.xml Normal file
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<property>surface-positions/rudder-pos-norm</property>
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<center>
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<axis>
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<y>0</y>
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<object-name>Propeller</object-name>
<property>engines/engine[0]/rpm</property>
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<center>
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<y-m>0</y-m>
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<animation>
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<object-name>LeftFlap</object-name>
<object-name>RightFlap</object-name>
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<animation>
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SURF 0x00
mat 0
refs 4
0 0.0462104454637 0.277649432421
1 0.0462104454637 0.0592489615083
2 0.264610916376 0.0592489615083
3 0.264610916376 0.277649432421
SURF 0x00
mat 0
refs 4
4 0.0462104454637 0.277649432421
7 0.0462104454637 0.0592489615083
6 0.264610916376 0.0592489615083
5 0.264610916376 0.277649432421
SURF 0x00
mat 0
refs 4
0 0.994239091873 0.706083416939
4 0.994238674641 0.996782541275
5 0.00671458244324 0.996782541275
1 0.00671491026878 0.706083416939
SURF 0x00
mat 0
refs 4
1 0.0462104454637 0.277649432421
5 0.0462104454637 0.0592489615083
6 0.264610916376 0.0592489615083
2 0.264610916376 0.277649432421
SURF 0x00
mat 0
refs 4
2 0.0 1.0
6 0.0 0.0
7 1.0 0.0
3 1.0 1.0
SURF 0x00
mat 0
refs 4
4 0.0462104454637 0.277649432421
0 0.0462104454637 0.0592489615083
3 0.264610916376 0.0592489615083
7 0.264610916376 0.277649432421
kids 0

BIN
FGData/AI/Aircraft/Aerotow/c182/Models/lights.rgb Normal file
View File

Binary file not shown.

95
FGData/AI/Aircraft/Aerotow/c182/Models/toggle-white.ac Normal file
View File

@@ -0,0 +1,95 @@
AC3Db
MATERIAL "DefaultWhite" rgb 1 1 1 amb 1 1 1 emis 0 0 0 spec 0.5 0.5 0.5 shi 64 trans 0
MATERIAL "Material" rgb 0.92013 0.92013 0.92013 amb 0.5 0.5 0.5 emis 0 0 0 spec 1 1 1 shi 32 trans 0
OBJECT world
kids 1
OBJECT poly
name "Cube"
data 4
Cube
crease 30
numvert 12
0.009182 0.007635 -0.00748
0.001377 -0.000598 -0.00748
-0.005892 0.002033 -0.00748
-0.001976 0.012793 -0.00748
0.009182 0.007635 0.00748
0.001377 -0.000598 0.00748
-0.005892 0.002033 0.00748
-0.001976 0.012793 0.00748
-0.009655 -0.008307 -0.00748
-0.009655 -0.008307 0.00748
0.002203 -0.01154 -0.00748
0.002203 -0.01154 0.00748
numsurf 10
SURF 0x00
mat 1
refs 4
0 0 0
1 0 0
2 0 0
3 0 0
SURF 0x00
mat 1
refs 4
4 0 0
7 0 0
6 0 0
5 0 0
SURF 0x00
mat 1
refs 4
0 0 0
4 0 0
5 0 0
1 0 0
SURF 0x00
mat 1
refs 4
2 0 0
6 0 0
7 0 0
3 0 0
SURF 0x00
mat 1
refs 4
6 0 0
2 0 0
8 0 0
9 0 0
SURF 0x00
mat 1
refs 4
1 0 0
5 0 0
11 0 0
10 0 0
SURF 0x00
mat 1
refs 4
5 0 0
6 0 0
9 0 0
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SURF 0x00
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10 0 0
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SURF 0x00
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0 0 0
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kids 0

84
README.md
View File

@@ -24,23 +24,83 @@ Start FlightGear at any airport with your aircraft as a glider, such as ASK 21.
From the top menu, select `Aerotow Everywhere` -> `Call for Piper J3 Cub aircraft`, `Robin DR400` or `Cessna 182` (yes, you can choose from many aircrafts). The AI aircraft will appear to your right and align to the centreline of the runway in front of you. At this time you should hook up to the aircraft, most often by pressing the `Ctrl-o` key (check help of your glider). The AI aircraft will begin to accelerate and take off.
## How does the AI tow aircraft fly?
You can also take off in the bush. Then the tow plane will position itself in front of you (glider's course), so what heading you have is important. If you move away from the runway threshold further than 100 m, then the take-off of the tow plane will be as in the bush, i.e. according to the glider heading and not the runway.
The tow plane always takes off in front of your runway and flies along the runway for 5 km, then turns back and flies downwind for 6 km, then turns back again and flies another 6 km. During this flight it is constantly gaining altitude. Then when it has completed the entire set route it simply turns right 90 degrees and flies at a constant altitude.
## How does the AI tow aircraft fly by default?
You can disconnect from the aircraft at any time, most often by pressing the `o` key.
The tow plane always takes off in front of your runway and flies along the runway for 5 km, then turns back and flies downwind for 6 km, then turns back again and flies another 6 km. During this flight it is constantly gaining altitude. Then, after having flown the entire given route, it lands at the airport from which it took off or when start in the bush turns in an unknown direction and flies at a constant altitude. If the aircraft lands at the airport, the scenario starts again, i.e. the aircraft respawn to take-off again.
You can disconnect from the aircraft at any time, most often by pressing the `o` key (check help of your glider).
```
Default route
^ - airport with heading direction to north
1 - 1st waypoint
2 - 2nd waypoint, etc.
2 . . 1 5
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. . .
. ^ .
. .
. .
3 . . . . 4
```
## Menu of add-on
This add-on add a new item to main menu named `Aerotow Everywhere` with following items:
1. `Call for Piper J3 Cub aircraft` - load AI tow sceneraio with Piper J3 Cub. Possible altitude to reach ~3,600 ft.
2. `Call for Robin DR400 aircraft` - load AI tow sceneraio with Robin DR400. This aircraft has better performance and can take you to over 4,500 ft.
3. `Call for Cessna 182 aircraft` - load AI tow sceneraio with Cessna 182. This aircraft has little bit better performance than Robin.
4. `Disable tow aircraft` - unload AI tow sceneraio.
5. `Add thermal` - display the dialog for configuring and adding thermal.
6. `Help` - display help dialog.
7. `About` - display about dialog with add-on information.
1. `Aerotow Route` - display the dialog for change aerotow route.
2. `Towrope Configuration` - display the dialog for change towrope parameters.
3. `Call for Piper J3 Cub aircraft` - load AI tow sceneraio with Piper J3 Cub.
4. `Call for Robin DR400 aircraft` - load AI tow sceneraio with Robin DR400. This aircraft has better performance and can take you higher then Piper Cub.
5. `Call for Cessna 182 aircraft` - load AI tow sceneraio with Cessna 182. This aircraft has little bit better performance than Robin.
6. `Call for Douglas C-47 aircraft` - load AI tow sceneraio with Douglas C-47.
7. `Disable tow aircraft` - unload AI tow sceneraio.
8. `Add thermal` - display the dialog for configuring and adding thermal.
9. `Help` - display help dialog.
10. `About` - display about dialog with add-on information.
## Aerotow Route
You can change the AI aircraft's default route, for this go to menu `Aerotow Everywhere` -> `Aerotow Route`.
### Aerotow aircraft
On the top of the "Aerotow Route" dialog you have selector to change aircraft type. It's only for calculate performance and display how the altitude will change.
### Max alt (AGL)
Here you can set limit of AGL altitude. 0 means without limits - the plane will always increase its altitude during its flight. AGL is always in terms of the place you are starting from.
### Route
Next you have initial heading, distance and altitude change. "Initial heading" depend of the runway where you are located. The aircraft will always take-off along the runway, a distance of 100 m, where it will gain 20 ft in altitude above the terrain. These parameters you cannot change unless you change the airport/runway.
Next you can see a table with fields where you can change values. Each row represents a single waypoint of flight plan of AI aircraft. For each waypoint you have following columns:
1. `Heading change (deg)` - information on how the heading of the aircraft should change in relation to the previous one. A value of `0` means no change, so continue with the same heading. And e.g. `-90` means a left turn of 90 degrees, `60` means a right turn of 60 degrees, etc.
2. `Distance (m)` - distance in meters from the previous waypoint to the present one.
3. `Alt change (AGL ft)` - information on how much the altitude on this leg of the route will increase (in feet above ground.) This information depend of selected airplane. AGL is always in terms of the place you are starting from (not the waypoint place).
If you enter a value less than or equal to `0` for `Distance (m)` field this means that here the route is end and the next rows will not be included to the flight plan.
You have a maximum of 10 waypoints to use, hope that's enough.
On the below of the dialog you can see a total amount of distance (in meters) and total altitude in feet above ground level.
### Buttons
1. `OK` - close the route dialog.
2. `Default` - set default waypoints (your changes will be lost.)
## Adding thermals
@@ -53,11 +113,11 @@ An additional feature of this add-on is the possibility of placing the thermals
Click `Add thermal` button for add the thermal.
Many thanks to the forum user "wlbragg" for proposing and presenting a solution to this feature.
Many thanks to the FG forum user "wlbragg" for proposing and presenting a solution to this feature.
## Limitations
1. This add-on doesn't check if there are any obstacles in the AI aircraft's path, e.g. terrain, buildings, power lines, etc. Keep this in mind when choosing an airport.
1. This add-on doesn't check if there are any obstacles in the AI aircraft's path, e.g. terrain, buildings, power lines, etc. Keep this in mind when choosing an airport or planning your route.
2. Minimum FlightGear version: 2020.4.0 (dev/nightly). Because only nightly version is able to search for flight plans in additional FGData folders added by `--data` command line option.
## Troubleshotting

23
addon-config.xml
View File

@@ -37,15 +37,36 @@
<height-msl type="int">9000</height-msl>
<height-msl-m type="int">2742</height-msl-m>
</add-thermal>
<route>
<ai-model>Piper J3 Cub</ai-model>
<init-wpt>
<heading-change type="double">0</heading-change>
<distance-m type="double">0</distance-m>
<alt-change-agl-ft type="double">0</alt-change-agl-ft>
</init-wpt>
<wpts>
<description type="string">Default route around the start location</description>
<max-alt-agl type="double"></max-alt-agl>
</wpts>
<total>
<distance>0</distance>
<alt>0</alt>
</total>
</route>
<sound>
<enable type="bool">false</enable>
</sound>
<help-text type="string">=== How to start? ===
From the top menu, select "Aerotow Everywhere" -> "Call for Piper J3 Cub aircraft", "Robin DR400" or "Cessna 182" (yes, you can choose from many aircrafts).
The tow aircraft will appear to your right and align to the centreline of the runway in front of you. At this time you should hook up to the aircraft, most often by `Ctrl-o` key (check help of your glider). The aircraft will begin to accelerate and take off.
The tow plane always takes off in front of your runway and flies along the runway for 5 km, then turns back and flies downwind for 6 km, then turns back again and flies another 6 km. During this flight it is constantly gaining altitude. Then when it has completed the entire set route it simply turns right 90 degrees and flies at a constant altitude.
By default, the tow plane always takes off in front of your runway and flies along the runway for 5 km, then turns back and flies downwind for 6 km, then turns back again and flies another 6 km. During this flight it is constantly gaining altitude. Then when it has completed the entire set route it simply turns right 90 degrees and flies at a constant altitude.
You can disconnect from the aircraft at any time, most often by pressing the `o` key.
Before start you can change route of AI aircraft by menu "Aerotow Everywhere" -> "Aerotow Route".
=== Troubleshotting ===
1. When I select "Aerotow Everywhere" -> "Call for Piper J3 Cub aircraft", "Robin DR400" or "Cessna 182" from menu, I see "Let's fly!" message but nothing happened. The tow plane does not appear.

61
addon-main.nas
View File

@@ -23,12 +23,51 @@ var unload = func(addon) {
# e.g. myCanvas.del();
aerotow.uninit();
thermal.uninit();
}
var main = func(addon) {
print("Aerotow Everywhere add-on initialized from path ", addon.basePath);
loadExtraNasalFiles(addon);
createDirectories(addon);
aerotow.init(addon);
}
#
# Load extra Nasal files in main add-on directory
#
# addon - Addob object
#
var loadExtraNasalFiles = func (addon) {
var modules = [
"nasal/timer",
"nasal/aircraft",
"nasal/message",
"nasal/dialogs/route",
"nasal/dialogs/thermal",
"nasal/flight-plan",
"nasal/scenario",
"nasal/io/waypoint",
"nasal/io/flight-plan-writer",
"nasal/aerotow",
"aerotow",
];
foreach (var scriptName; modules) {
var fileName = addon.basePath ~ "/" ~ scriptName ~ ".nas";
if (io.load_nasal(fileName, "aerotow")) {
print("Aerotown Add-on module \"", scriptName, "\" loaded OK");
}
}
}
#
# Create all needed directories.
#
var createDirectories = func (addon) {
# Create $FG_HOME/Export/Addons/org.flightgear.addons.Aerotow directory
addon.createStorageDir();
@@ -38,21 +77,7 @@ var main = func(addon) {
var path = os.path.new(addon.storagePath ~ "/AI/FlightPlans/dummy-file.txt");
path.create_dir();
loadExtraNasalFiles(addon);
aerotow.init();
thermal.init();
}
#
# Load extra Nasal files in main add-on directory
#
var loadExtraNasalFiles = func (addon) {
foreach (var scriptName; ["aerotow", "messages", "thermal"]) {
var fileName = addon.basePath ~ "/" ~ scriptName ~ ".nas";
if (io.load_nasal(fileName, scriptName)) {
print("Aerotown Add-on module \"", scriptName, "\" loaded OK");
}
}
# Create /route-saves directory in $FG_HOME/Export/Addons/org.flightgear.addons.Aerotow/
path = os.path.new(addon.storagePath ~ "/" ~ aerotow.RouteDialog.ROUTE_SAVES_DIR ~ "/dummy-file.txt");
path.create_dir();
}

34
addon-menubar-items.xml
View File

@@ -29,6 +29,20 @@
<label>Aerotow Everywhere</label>
<enabled type="bool">true</enabled>
<item>
<label>Aerotow Route</label>
<binding>
<command>dialog-show</command>
<dialog-name>route-aerotow</dialog-name>
</binding>
</item>
<item>
<label>Towrope Configuration</label>
<binding>
<command>dialog-show</command>
<dialog-name>towrope-config</dialog-name>
</binding>
</item>
<item>
<label>Call for Piper J3 Cub aircraft</label>
<binding>
@@ -53,11 +67,29 @@
<value type="string">c182</value>
</binding>
</item>
<item>
<label>Call for Douglas C-47 aircraft</label>
<binding>
<command>property-assign</command>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/ai-model</property>
<value type="string">C47</value>
</binding>
</item>
<item>
<label>Disable tow aircraft</label>
<binding>
<command>property-assign</command>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/sound/enable</property>
<value type="bool">false</value>
</binding>
<binding>
<command>nasal</command>
<script><![CDATA[aerotow.stopAerotow();]]></script>
<script><![CDATA[
# Run stopAerotow() with a delay to ensure that the engine sound turns off
aerotow.Timer.new().singleShot(1, aerotow.g_Aerotow, func () {
aerotow.g_Aerotow.stopAerotow();
});
]]></script>
</binding>
</item>
<item>

12
addon-metadata.xml
View File

@@ -21,7 +21,7 @@
<addon>
<identifier type="string">org.flightgear.addons.Aerotow</identifier>
<name type="string">Aerotow Everywhere</name>
<version type="string">1.1.0</version>
<version type="string">1.8.1</version>
<authors>
<author>
@@ -49,6 +49,16 @@
</long-description>
<localized>
<fr>
<short-description type="string">
Remorquage d’un planeur depuis n’importe quel aérodrome.
</short-description>
<long-description type="string">
Ce greffon permet d’activer le scénario IA « avion remorqueur » pour démarrer avec un planeur depuis n’importe quel aérodrome.
</long-description>
</fr>
<pl>
<short-description type="string">
Samoloty holownicze dla szybowców na każdym lotnisku.

526
aerotow.nas
View File

@@ -10,529 +10,31 @@
#
#
# Constants
# Global aliases for boolean types to distinguish the use of "int" from "bool".
# NOTE: unfortunately, it doesn't work as an assignment of a default value for a function parameter!
#
var addon = addons.getAddon("org.flightgear.addons.Aerotow");
var FILENAME_SCENARIO = "aerotown-addon.xml";
var FILENAME_FLIGHTPLAN = "aerotown-addon-flightplan.xml";
var PATH_SCENARIO = addon.storagePath ~ "/" ~ FILENAME_SCENARIO;
var PATH_FLIGHTPLAN = addon.storagePath ~ "/AI/FlightPlans/" ~ FILENAME_FLIGHTPLAN;
var SCENARIO_ID = "aerotow_addon";
var SCENARIO_NAME = "Aerotow Add-on";
var SCENARIO_DESC = "This scenario starts the towing plane at the airport where the pilot with the glider is located. Use Ctrl-o to hook the plane.";
var true = 1;
var false = 0;
#
# Global variables
# Global object of Aerotow
#
var g_wptCount = 0;
var g_isScenarioLoaded = 0;
var g_fpFileHandler = nil; # Handler for wrire flight plan to file
var g_coord = nil; # Coordinates for flight plan
var g_heading = nil; # AI plane heading
var g_altitude = nil; # AI plane altitude
var g_listeners = [];
var g_Aerotow = nil;
#
# Initialize thermal module
# Initialize Aerotow
#
var init = func () {
# Listener for ai-model property triggered when the user select a tow aircraft from add-on menu
append(g_listeners, setlistener(addon.node.getPath() ~ "/addon-devel/ai-model", func () {
startAerotow();
}));
# addon - Addon object
#
var init = func (addon) {
g_Aerotow = Aerotow.new(addon);
}
#
# Uninitialize thermal module
# Uninitialize Aerotow
#
var uninit = func () {
foreach (var listener; g_listeners) {
removelistener(listener);
if (g_Aerotow) {
g_Aerotow.del();
}
}
#
# Main function to prepare AI scenario and run it.
#
# Return 1 on successful, otherwise 0.
#
var startAerotow = func () {
var args = props.Node.new({ "name": SCENARIO_ID });
if (g_isScenarioLoaded) {
fgcommand("unload-scenario", args);
}
generateScenarioXml();
if (!generateFlightPlanXml()) {
return 0;
}
if (fgcommand("load-scenario", args)) {
g_isScenarioLoaded = 1;
messages.displayOk("Let's fly!");
return 1;
}
messages.displayError("Tow failed!");
return 0;
}
#
# Function for unload our AI scenario.
#
# Return 1 on successful, otherwise 0.
#
var stopAerotow = func () {
if (g_isScenarioLoaded) {
var args = props.Node.new({ "name": SCENARIO_ID });
if (fgcommand("unload-scenario", args)) {
g_isScenarioLoaded = 0;
messages.displayOk("Aerotown disabled");
return 1;
}
messages.displayError("Aerotown disable failed");
return 0;
}
messages.displayOk("Aerotown already disabled");
return 1
}
#
# Generate the XML file with the AI scenario.
# The file will be stored to $FG_HOME/Export/aerotown-addon.xml.
#
var generateScenarioXml = func () {
var scenarioXml = {
"PropertyList": {
"scenario": {
"name": SCENARIO_NAME,
"description": SCENARIO_DESC,
"entry": {
"callsign": "FG-TOW",
"type": "aircraft",
"class": "aerotow-dragger",
"model": "Aircraft/Cub/Models/Cub-ai.xml", # default Cub
"flightplan": FILENAME_FLIGHTPLAN,
"repeat": 1,
}
}
}
};
var aiModel = getSelectedAircraft();
if (aiModel == "DR400") {
scenarioXml.PropertyList.scenario.entry.model = "Aircraft/DR400/Models/dr400-ai.xml";
}
else if (aiModel == "c182") {
scenarioXml.PropertyList.scenario.entry.model = "Aircraft/c182/Models/c182-ai.xml";
}
var node = props.Node.new(scenarioXml);
io.writexml(PATH_SCENARIO, node);
addScenarioToPropertyList();
}
#
# Add our new scenario to the "/sim/ai/scenarios" property list
# so that FlightGear will be able to load it by "load-scenario" command.
#
var addScenarioToPropertyList = func () {
if (!isScenarioAdded()) {
var scenarioData = {
"name": SCENARIO_NAME,
"id": SCENARIO_ID,
"description": SCENARIO_DESC,
"path": PATH_SCENARIO,
};
props.globals.getNode("/sim/ai/scenarios").addChild("scenario").setValues(scenarioData);
}
}
#
# Return 1 if scenario is already added to "/sim/ai/scenarios" property list, otherwise return 0.
#
var isScenarioAdded = func () {
foreach (var scenario; props.globals.getNode("/sim/ai/scenarios").getChildren("scenario")) {
var id = scenario.getChild("id");
if (id != nil and id.getValue() == SCENARIO_ID) {
return 1;
}
}
return 0;
}
#
# Return name of selected aircraft. Possible values: "Cub", "DR400", "c182".
#
var getSelectedAircraft = func () {
return getprop(addon.node.getPath() ~ "/addon-devel/ai-model") or "Cub";
}
#
# Generate the XML file with the flight plane for our plane for AI scenario.
# The file will be stored to $FG_HOME/Export/aerotown-addon-flightplan.xml.
#
# Return 1 on successful, otherwise 0.
#
var generateFlightPlanXml = func () {
g_wptCount = 0;
var icao = getprop("/sim/airport/closest-airport-id");
if (icao == nil) {
messages.displayError("Airport code cannot be obtained.");
return 0;
}
var runwayName = getprop("/sim/atc/runway");
if (runwayName == nil) {
messages.displayError("Runway name cannot be obtained.");
return 0;
}
var airport = airportinfo(icao);
if (!contains(airport.runways, runwayName)) {
messages.displayError("The " ~ icao ~" airport does not have runway " ~ runwayName);
return 0;
}
var runway = airport.runways[runwayName];
var minRwyLength = getMinRunwayLength();
if (runway.length < minRwyLength) {
messages.displayError(
"This runway is too short. Please choose a longer one than " ~ minRwyLength ~ " m "
~ "(" ~ math.round(minRwyLength * globals.M2FT) ~ " ft)."
);
return 0;
}
g_fpFileHandler = io.open(PATH_FLIGHTPLAN, "w");
io.write(
g_fpFileHandler,
"<?xml version=\"1.0\"?>\n\n" ~
"<!-- This file is generated automatically by the Aerotow Everywhere add-on -->\n\n" ~
"<PropertyList>\n" ~
" <flightplan>\n"
);
var perf = getAircraftPerformance();
initAircraftVariable(airport, runway, 1);
# Start at 2 o'clock from the glider...
# Inital ktas must be >= 1.0
addWptGround({"hdgChange": 60, "dist": 25}, {"altChange": 0, "ktas": 5});
# Reset coord and heading
initAircraftVariable(airport, runway, 0);
var gliderOffsetM = getGliderOffsetFromRunwayThreshold(runway);
# ... and line up with the runway
addWptGround({"hdgChange": 0, "dist": 30 + gliderOffsetM}, {"altChange": 0, "ktas": 2.5});
# Rolling
addWptGround({"hdgChange": 0, "dist": 10}, {"altChange": 0, "ktas": 5});
addWptGround({"hdgChange": 0, "dist": 20}, {"altChange": 0, "ktas": 5});
addWptGround({"hdgChange": 0, "dist": 20}, {"altChange": 0, "ktas": perf.speed / 6});
addWptGround({"hdgChange": 0, "dist": 10}, {"altChange": 0, "ktas": perf.speed / 5});
addWptGround({"hdgChange": 0, "dist": 10 * perf.rolling}, {"altChange": 0, "ktas": perf.speed / 4});
addWptGround({"hdgChange": 0, "dist": 10 * perf.rolling}, {"altChange": 0, "ktas": perf.speed / 3.5});
addWptGround({"hdgChange": 0, "dist": 10 * perf.rolling}, {"altChange": 0, "ktas": perf.speed / 3});
addWptGround({"hdgChange": 0, "dist": 10 * perf.rolling}, {"altChange": 0, "ktas": perf.speed / 2.5});
addWptGround({"hdgChange": 0, "dist": 10 * perf.rolling}, {"altChange": 0, "ktas": perf.speed / 2});
addWptGround({"hdgChange": 0, "dist": 10 * perf.rolling}, {"altChange": 0, "ktas": perf.speed / 1.75});
addWptGround({"hdgChange": 0, "dist": 10 * perf.rolling}, {"altChange": 0, "ktas": perf.speed / 1.5});
addWptGround({"hdgChange": 0, "dist": 10 * perf.rolling}, {"altChange": 0, "ktas": perf.speed / 1.25});
addWptGround({"hdgChange": 0, "dist": 10 * perf.rolling}, {"altChange": 0, "ktas": perf.speed});
# Takeof
addWptAir({"hdgChange": 0, "dist": 100 * perf.rolling}, {"elevationPlus": 3, "ktas": perf.speed * 1.05});
addWptAir({"hdgChange": 0, "dist": 100}, {"altChange": perf.vs / 10, "ktas": perf.speed * 1.025});
# Circle around airport
addWptAir({"hdgChange": 0, "dist": 500}, {"altChange": perf.vs / 1.5, "ktas": perf.speed});
addWptAir({"hdgChange": 0, "dist": 500}, {"altChange": perf.vs / 1.7, "ktas": perf.speed});
addWptAir({"hdgChange": 0, "dist": 1000}, {"altChange": perf.vs, "ktas": perf.speed * 1.025});
addWptAir({"hdgChange": 0, "dist": 1000}, {"altChange": perf.vs, "ktas": perf.speed * 1.05});
addWptAir({"hdgChange": 0, "dist": 1000}, {"altChange": perf.vs, "ktas": perf.speed * 1.075});
addWptAir({"hdgChange": 0, "dist": 1000}, {"altChange": perf.vs, "ktas": perf.speed * 1.1});
addWptAir({"hdgChange": -90, "dist": 1000}, {"altChange": perf.vs, "ktas": perf.speed * 1.125}); # crosswind leg
addWptAir({"hdgChange": -90, "dist": 1000}, {"altChange": perf.vs, "ktas": perf.speed * 1.15}); # downwind leg
addWptAir({"hdgChange": 0, "dist": 1000}, {"altChange": perf.vs, "ktas": perf.speed * 1.175});
addWptAir({"hdgChange": 0, "dist": 1000}, {"altChange": perf.vs, "ktas": perf.speed * 1.2});
addWptAir({"hdgChange": 0, "dist": 1000}, {"altChange": perf.vs, "ktas": perf.speed * 1.225});
addWptAir({"hdgChange": 0, "dist": 1000}, {"altChange": perf.vs, "ktas": perf.speed * 1.25});
addWptAir({"hdgChange": 0, "dist": 1000}, {"altChange": perf.vs, "ktas": perf.speed * 1.275});
addWptAir({"hdgChange": -90, "dist": 500}, {"altChange": perf.vs / 2, "ktas": perf.speed * 1.25}); # base leg
addWptAir({"hdgChange": 0, "dist": 500}, {"altChange": perf.vs / 2, "ktas": perf.speed * 1.275});
addWptAir({"hdgChange": 0, "dist": 500}, {"altChange": perf.vs / 2, "ktas": perf.speed * 1.3});
addWptAir({"hdgChange": -90, "dist": 1000}, {"altChange": perf.vs, "ktas": perf.speed * 1.3}); # final leg
addWptAir({"hdgChange": 0, "dist": 1000}, {"altChange": perf.vs, "ktas": perf.speed * 1.325});
addWptAir({"hdgChange": 0, "dist": 1000}, {"altChange": perf.vs, "ktas": perf.speed * 1.35});
addWptAir({"hdgChange": 0, "dist": 1000}, {"altChange": perf.vs, "ktas": perf.speed * 1.375});
addWptAir({"hdgChange": 0, "dist": 1000}, {"altChange": perf.vs, "ktas": perf.speed * 1.4});
addWptAir({"hdgChange": 0, "dist": 1000}, {"altChange": perf.vs, "ktas": perf.speed * 1.425});
addWptEnd();
io.write(
g_fpFileHandler,
" </flightplan>\n" ~
"</PropertyList>\n\n"
);
io.close(g_fpFileHandler);
return 1;
}
#
# Return hash with "vs", "speed", "rolling".
#
var getAircraftPerformance = func () {
# Cub
# Cruise Speed 61 kt
# Max Speed 106 kt
# Approach speed 44-52 kt
# Stall speed 33 kt
# Robin DR 400
# Cruise Speed 134 kt
# Max speeed 166 kt
# Stall speed 51 kt
# Rate of climb: 825 ft/min
# Cessna 182
# Cruise Speed 145 kt
# Max speeed 175 kt
# Stall speed 50 kt
# Best climb: 924 ft/min
var aiModel = getSelectedAircraft();
if (aiModel == "DR400") {
return {
"vs": 285, # ft per 1000 m
"speed": 70,
"rolling": 2,
};
}
if (aiModel == "c182") {
return {
"vs": 295, # ft per 1000 m
"speed": 75,
"rolling": 2.2,
};
}
# Cub
return {
"vs": 200, # ft per 1000 m
"speed": 55,
"rolling": 1,
};
}
#
# Initialize AI aircraft variable
#
# airport - Object from airportinfo().
# runway - Object of runway from which the glider start.
# isGliderPos - Pass 1 for set AI aircraft's coordinates as glider position, 0 set coordinates as runway threshold.
#
var initAircraftVariable = func (airport, runway, isGliderPos = 1) {
var gliderCoord = geo.aircraft_position();
# Set coordinates as glider position or runway threshold
g_coord = isGliderPos
? gliderCoord
: geo.Coord.new().set_latlon(runway.lat, runway.lon);
# Set airplane heading as runway heading
g_heading = runway.heading;
# Set AI airplane altitude as glider altitude (assumed it's on the ground).
# It is more accurate than airport.elevation.
g_altitude = gliderCoord.alt() * globals.M2FT;
}
#
# Get distance from glider to runway threshold e.g. in case that the user taxi from the runway threshold
#
# runway - Object of runway from which the glider start
# Return the distance in metres, of the glider's displacement from the runway threshold.
#
var getGliderOffsetFromRunwayThreshold = func (runway) {
var gliderCoord = geo.aircraft_position();
var rwyThreshold = geo.Coord.new().set_latlon(runway.lat, runway.lon);
return rwyThreshold.distance_to(gliderCoord);
}
#
# Get the minimum runway length required, in meters
#
var getMinRunwayLength = func () {
var aiModel = getSelectedAircraft();
if (aiModel == "DR400") {
return 470;
}
if (aiModel == "c182") {
return 508;
}
return 280;
}
#
# Add new waypoint on ground
#
# coordOffset - Hash for calculate next coordinates (lat, lon), with following fields:
# {
# hdgChange - How the aircraft's heading supposed to change? 0 - keep the same heading.
# dis - Distance in meters to calculate next waypoint coordinates.
# }
# performance - Hash with following fields:
# {
# altChange - How the aircraft's altitude is supposed to change? 0 - keep the same altitude.
# ktas - True air speed of AI plane at the waypoint.
# }
#
var addWptGround = func (coordOffset, performance) {
wrireWpt(nil, coordOffset, performance, "ground");
}
#
# Add new waypoint in air
#
var addWptAir = func (coordOffset, performance) {
wrireWpt(nil, coordOffset, performance, "air");
}
#
# Add "WAIT" waypoint
#
# sec - Number of seconds for wait
#
var addWptWait = func (sec) {
wrireWpt("WAIT", {}, {}, nil, sec);
}
#
# Add "END" waypoint
#
var addWptEnd = func () {
wrireWpt("END", {}, {});
}
#
# Write waypoint to flight plan file
#
# name - The name of waypoint
# coordOffset.hdgChange - How the aircraft's heading supposed to change?
# coordOffset.dist - Distance in meters to calculate next waypoint coordinates
# performance.altChange - How the aircraft's altitude is supposed to change?
# performance.elevationPlus - Set aircraft altitude as current terrain elevation + given value in feets.
# It's best to use for the first point in the air to avoid the plane collapsing into
# the ground in a bumpy airport
# performance.ktas - True air speed of AI plane at the waypoint
# groundAir - Allowed value: "ground or "air". The "ground" means that AI plane is on the ground, "air" - in air
# sec - Number of seconds for "WAIT" waypoint
#
var wrireWpt = func (
name,
coordOffset,
performance,
groundAir = nil,
sec = nil
) {
var coord = nil;
if (contains(coordOffset, "hdgChange") and contains(coordOffset, "dist")) {
g_heading = g_heading + coordOffset.hdgChange;
if (g_heading < 0) {
g_heading = 360 + g_heading;
}
if (g_heading > 360) {
g_heading = g_heading - 360;
}
g_coord.apply_course_distance(g_heading, coordOffset.dist);
coord = g_coord;
}
var alt = nil;
if (coord != nil and contains(performance, "elevationPlus")) {
var elevation = geo.elevation(coord.lat(), coord.lon());
if (elevation == nil) {
g_altitude = g_altitude + performance.elevationPlus;
}
else {
g_altitude = elevation * globals.M2FT + performance.elevationPlus;
}
alt = g_altitude;
}
else if (contains(performance, "altChange")) {
g_altitude = g_altitude + performance.altChange;
alt = g_altitude;
}
var ktas = contains(performance, "ktas") ? performance.ktas : nil;
name = name == nil ? g_wptCount : name;
var data = getWptString(name, coord, alt, ktas, groundAir, sec);
io.write(g_fpFileHandler, data);
g_wptCount = g_wptCount + 1;
}
#
# Get single waypoint data as a string.
#
# name - Name of waypoint. Special names are: "WAIT", "END".
# coord - The Coord object
# alt - Altitude AMSL of AI plane
# ktas - True air speed of AI plane
# groundAir - Allowe value: "ground or "air". The "ground" means that AI plane is on the ground, "air" - in air
# sec - Number of seconds for "WAIT" waypoint
#
var getWptString = func (name, coord = nil, alt = nil, ktas = nil, groundAir = nil, sec = nil) {
var str = " <wpt>\n"
~ " <name>" ~ name ~ "</name>\n";
if (coord != nil) {
str = str ~ " <lat>" ~ coord.lat() ~ "</lat>\n";
str = str ~ " <lon>" ~ coord.lon() ~ "</lon>\n";
str = str ~ " <!-- " ~ coord.lat() ~ "," ~ coord.lon() ~ " -->\n";
}
if (alt != nil) {
# str = str ~ " <alt>" ~ alt ~ "</alt>\n";
str = str ~ " <crossat>" ~ alt ~ "</crossat>\n";
}
if (ktas != nil) {
str = str ~ " <ktas>" ~ ktas ~ "</ktas>\n";
}
if (groundAir != nil) {
var onGround = groundAir == "ground" ? "true" : "false";
str = str ~ " <on-ground>" ~ onGround ~ "</on-ground>\n";
}
if (sec != nil) {
str = str ~ " <time-sec>" ~ sec ~ "</time-sec>\n";
}
return str ~ " </wpt>\n";
}

2
gui/dialogs/about-aerotow.xml
View File

@@ -45,7 +45,7 @@
<hrule/>
<text>
<label>Aerotow Everywhere version 1.1.0 - 16th August 2022</label>
<label>Aerotow Everywhere version 1.8.1 - 17th September 2022</label>
</text>
<text>

6
gui/dialogs/add-thermal.xml
View File

@@ -28,7 +28,7 @@
</empty>
<text>
<label>Add thermal</label>
<label>Add Thermal</label>
</text>
<empty>
@@ -189,7 +189,9 @@
</binding>
<binding>
<command>nasal</command>
<script><![CDATA[thermal.add();]]></script>
<script><![CDATA[
aerotow.g_Aerotow.thermal.add();
]]></script>
</binding>
<binding>
<command>dialog-close</command>

588
gui/dialogs/route-aerotow.xml Normal file
View File

@@ -0,0 +1,588 @@
<?xml version="1.0" encoding="UTF-8"?>
<!--
#
# Aerotow Everywhere - Add-on for FlightGear
#
# Written and developer by Roman Ludwicki (PlayeRom, SP-ROM)
#
# Copyright (C) 2022 Roman Ludwicki
#
# Aerotow Everywhere is an Open Source project and it is licensed
# under the GNU Public License v3 (GPLv3)
#
-->
<!-- This file requires FlightGear version 2018.2 or newer -->
<PropertyList>
<name>route-aerotow</name>
<resizable>false</resizable>
<layout>vbox</layout>
<default-padding>3</default-padding>
<group>
<layout>hbox</layout>
<empty>
<stretch>1</stretch>
</empty>
<text>
<label>Aerotow Route</label>
</text>
<empty>
<stretch>1</stretch>
</empty>
<button>
<pref-width>16</pref-width>
<pref-height>16</pref-height>
<legend></legend>
<keynum>27</keynum>
<border>2</border>
<binding>
<command>dialog-close</command>
</binding>
</button>
</group>
<hrule/>
<text>
<halign>left</halign>
<label> Here you can change the default flight path of the tow plane. </label>
</text>
<text>
<halign>left</halign>
<label> You cannot change the initial point, the AI plane always </label>
</text>
<text>
<halign>left</halign>
<label> takes-off in front of the runway you are on. </label>
</text>
<text>
<halign>left</halign>
<label> Set 0 for `Distance` for completing the flight plan. </label>
</text>
<hrule/>
<group>
<layout>table</layout>
<text>
<row>0</row>
<col>0</col>
<halign>right</halign>
<label>Aerotow:</label>
</text>
<combo>
<row>0</row>
<col>1</col>
<halign>left</halign>
<pref-width>120</pref-width>
<live>true</live>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/ai-model</property>
<value>Piper J3 Cub</value>
<value>Robin DR400</value>
<value>Cessna 182</value>
<value>Douglas C-47</value>
<binding>
<command>dialog-apply</command>
</binding>
</combo>
<text>
<row>0</row>
<col>2</col>
<halign>right</halign>
<label>Max alt (AGL):</label>
</text>
<input>
<row>0</row>
<col>3</col>
<halign>left</halign>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/max-alt-agl</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
</group>
<hrule/>
<group>
<layout>table</layout>
<text>
<row>0</row>
<col>0</col>
<halign>left</halign>
<label>Initial Heading (deg)</label>
</text>
<text>
<row>0</row>
<col>1</col>
<halign>left</halign>
<label>Distance (m)</label>
</text>
<text>
<row>0</row>
<col>2</col>
<halign>left</halign>
<label>Alt change (AGL)</label>
</text>
<text>
<row>1</row>
<col>0</col>
<halign>left</halign>
<label></label>
<format>%.2f</format>
<live>true</live>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/init-wpt/heading-change</property>
</text>
<text>
<row>1</row>
<col>1</col>
<halign>left</halign>
<label></label>
<format>%.f m</format>
<live>true</live>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/init-wpt/distance-m</property>
</text>
<text>
<row>1</row>
<col>2</col>
<halign>left</halign>
<label></label>
<format> %.f ft</format>
<live>true</live>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/init-wpt/alt-change-agl-ft</property>
</text>
<text>
<row>2</row>
<col>0</col>
<halign>left</halign>
<label>Heading change (deg)</label>
</text>
<text>
<row>2</row>
<col>1</col>
<halign>left</halign>
<label>Distance (m)</label>
</text>
<text>
<row>2</row>
<col>2</col>
<halign>left</halign>
<label>Alt change (AGL)</label>
</text>
<input>
<row>3</row>
<col>0</col>
<halign>left</halign>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[0]/heading-change</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
<input>
<row>3</row>
<col>1</col>
<halign>left</halign>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[0]/distance-m</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
<text>
<row>3</row>
<col>2</col>
<halign>left</halign>
<label></label>
<format> %.f ft</format>
<live>true</live>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[0]/alt-change-agl-ft</property>
</text>
<input>
<row>4</row>
<col>0</col>
<halign>left</halign>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[1]/heading-change</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
<input>
<row>4</row>
<col>1</col>
<halign>left</halign>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[1]/distance-m</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
<text>
<row>4</row>
<col>2</col>
<halign>left</halign>
<label></label>
<format> %.f ft</format>
<live>true</live>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[1]/alt-change-agl-ft</property>
</text>
<input>
<row>5</row>
<col>0</col>
<halign>left</halign>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[2]/heading-change</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
<input>
<row>5</row>
<col>1</col>
<halign>left</halign>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[2]/distance-m</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
<text>
<row>5</row>
<col>2</col>
<halign>left</halign>
<label></label>
<format> %.f ft</format>
<live>true</live>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[2]/alt-change-agl-ft</property>
</text>
<input>
<row>6</row>
<col>0</col>
<halign>left</halign>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[3]/heading-change</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
<input>
<row>6</row>
<col>1</col>
<halign>left</halign>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[3]/distance-m</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
<text>
<row>6</row>
<col>2</col>
<halign>left</halign>
<label></label>
<format> %.f ft</format>
<live>true</live>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[3]/alt-change-agl-ft</property>
</text>
<input>
<row>7</row>
<col>0</col>
<halign>left</halign>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[4]/heading-change</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
<input>
<row>7</row>
<col>1</col>
<halign>left</halign>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[4]/distance-m</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
<text>
<row>7</row>
<col>2</col>
<halign>left</halign>
<label></label>
<format> %.f ft</format>
<live>true</live>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[4]/alt-change-agl-ft</property>
</text>
<input>
<row>8</row>
<col>0</col>
<halign>left</halign>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[5]/heading-change</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
<input>
<row>8</row>
<col>1</col>
<halign>left</halign>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[5]/distance-m</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
<text>
<row>8</row>
<col>2</col>
<halign>left</halign>
<label></label>
<format> %.f ft</format>
<live>true</live>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[5]/alt-change-agl-ft</property>
</text>
<input>
<row>9</row>
<col>0</col>
<halign>left</halign>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[6]/heading-change</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
<input>
<row>9</row>
<col>1</col>
<halign>left</halign>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[6]/distance-m</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
<text>
<row>9</row>
<col>2</col>
<halign>left</halign>
<label></label>
<format> %.f ft</format>
<live>true</live>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[6]/alt-change-agl-ft</property>
</text>
<input>
<row>10</row>
<col>0</col>
<halign>left</halign>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[7]/heading-change</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
<input>
<row>10</row>
<col>1</col>
<halign>left</halign>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[7]/distance-m</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
<text>
<row>10</row>
<col>2</col>
<halign>left</halign>
<label></label>
<format> %.f ft</format>
<live>true</live>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[7]/alt-change-agl-ft</property>
</text>
<input>
<row>11</row>
<col>0</col>
<halign>left</halign>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[8]/heading-change</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
<input>
<row>11</row>
<col>1</col>
<halign>left</halign>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[8]/distance-m</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
<text>
<row>11</row>
<col>2</col>
<halign>left</halign>
<label></label>
<format> %.f ft</format>
<live>true</live>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[8]/alt-change-agl-ft</property>
</text>
<input>
<row>12</row>
<col>0</col>
<halign>left</halign>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[9]/heading-change</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
<input>
<row>12</row>
<col>1</col>
<halign>left</halign>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[9]/distance-m</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
<text>
<row>12</row>
<col>2</col>
<halign>left</halign>
<label></label>
<format> %.f ft</format>
<live>true</live>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/wpt[9]/alt-change-agl-ft</property>
</text>
<text>
<row>13</row>
<col>0</col>
<halign>right</halign>
<label>Total:</label>
</text>
<text>
<row>13</row>
<col>1</col>
<halign>left</halign>
<label></label>
<format>%.f m</format>
<live>true</live>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/total/distance</property>
</text>
<text>
<row>13</row>
<col>2</col>
<halign>left</halign>
<label></label>
<format> %.f ft</format>
<live>true</live>
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/total/alt</property>
</text>
</group>
<hrule/>
<text>
<halign>left</halign>
<label>Description:</label>
</text>
<input>
<halign>fill</halign>
<!-- <halign>left</halign> -->
<property>/addons/by-id/org.flightgear.addons.Aerotow/addon-devel/route/wpts/description</property>
<live>true</live>
<binding>
<command>dialog-apply</command>
</binding>
</input>
<hrule/>
<group>
<empty>
<stretch>true</stretch>
</empty>
<layout>hbox</layout>
<button>
<legend>OK</legend>
<equal>true</equal>
<binding>
<command>dialog-apply</command>
</binding>
<binding>
<command>dialog-close</command>
</binding>
</button>
<button>
<legend>Default</legend>
<equal>true</equal>
<binding>
<command>nasal</command>
<script><![CDATA[
aerotow.g_Aerotow.scenario.flightPlan.initial();
]]></script>
</binding>
</button>
<button>
<legend>Save...</legend>
<equal>true</equal>
<binding>
<command>nasal</command>
<script><![CDATA[
aerotow.g_Aerotow.scenario.routeDialog.save();
]]></script>
</binding>
</button>
<button>
<legend>Load...</legend>
<equal>true</equal>
<binding>
<command>nasal</command>
<script><![CDATA[
aerotow.g_Aerotow.scenario.routeDialog.load();
]]></script>
</binding>
</button>
<empty>
<stretch>true</stretch>
</empty>
</group>
</PropertyList>

342
gui/dialogs/towrope-configuration.xml Normal file
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<?xml version="1.0"?>
<PropertyList>
<name>towrope-config</name>
<layout>vbox</layout>
<default-padding>5</default-padding>
<modal>false</modal>
<width>680</width>
<!-- title bar -->
<group>
<layout>hbox</layout>
<empty>
<stretch>true</stretch>
</empty>
<text>
<label>Towrope Configuration</label>
</text>
<empty>
<stretch>true</stretch>
</empty>
<button>
<legend/>
<key>Esc</key>
<pref-width>16</pref-width>
<pref-height>16</pref-height>
<border>2</border>
<binding>
<command>dialog-close</command>
</binding>
</button>
</group>
<hrule/>
<!-- aerotow parameters -->
<group>
<layout>hbox</layout>
<group>
<layout>table</layout>
<!-- tow length -->
<text>
<row>0</row>
<col>0</col>
<halign>right</halign>
<label>Towrope Length</label>
</text>
<text>
<row>0</row>
<col>1</col>
<halign>right</halign>
<label></label>
<live>true</live>
<format>%.0f m </format>
<property>/sim/hitches/aerotow/tow/length</property>
<color>
<red>0.2</red>
<green>0.9</green>
<blue>0.2</blue>
</color>
</text>
<!-- break force -->
<text>
<row>1</row>
<col>0</col>
<halign>right</halign>
<label>Weak Link Break Force</label>
</text>
<text>
<row>1</row>
<col>1</col>
<halign>right</halign>
<label></label>
<live>true</live>
<format>%.0f N </format>
<property>/sim/hitches/aerotow/tow/brake-force</property>
<color>
<red>0.2</red>
<green>0.9</green>
<blue>0.2</blue>
</color>
</text>
<!-- tow characteristic -->
<text>
<row>2</row>
<col>0</col>
<halign>right</halign>
<label>Towrope Elastic Constant</label>
</text>
<text>
<row>2</row>
<col>1</col>
<halign>right</halign>
<label></label>
<live>true</live>
<format>%.0f N</format>
<property>/sim/hitches/aerotow/tow/elastic-constant</property>
<color>
<red>0.2</red>
<green>0.9</green>
<blue>0.2</blue>
</color>
</text>
<!-- tow thickness -->
<text>
<row>3</row>
<col>0</col>
<halign>right</halign>
<label>Towrope Diameter</label>
</text>
<text>
<row>3</row>
<col>1</col>
<halign>right</halign>
<label></label>
<live>true</live>
<format>%.0f mm</format>
<property>/sim/hitches/aerotow/rope/rope-diameter-mm</property>
<color>
<red>0.2</red>
<green>0.9</green>
<blue>0.2</blue>
</color>
</text>
<!-- tow weight -->
<text>
<row>4</row>
<col>0</col>
<halign>right</halign>
<label>Towrope Weight per Meter</label>
</text>
<text>
<row>4</row>
<col>1</col>
<halign>right</halign>
<label></label>
<live>true</live>
<format>%.3f kg/m</format>
<property>/sim/hitches/aerotow/tow/weight-per-m-kg-m</property>
<color>
<red>0.2</red>
<green>0.9</green>
<blue>0.2</blue>
</color>
</text>
</group>
<empty>
<stretch>true</stretch>
</empty>
<vrule/>
<group>
<layout>table</layout>
<!-- tow length -->
<text>
<row>0</row>
<col>1</col>
<halign>right</halign>
<label>20 m</label>
</text>
<slider>
<row>0</row>
<col>2</col>
<live>true</live>
<halign>fill</halign>
<pref-width>300</pref-width>
<name>tow_length</name>
<property>/sim/hitches/aerotow/tow/length</property>
<min>20</min>
<max>200</max>
<step>5</step>
<binding>
<command>dialog-apply</command>
</binding>
</slider>
<text>
<row>0</row>
<col>3</col>
<halign>left</halign>
<label>200 m</label>
</text>
<!-- break force -->
<text>
<row>1</row>
<col>1</col>
<halign>right</halign>
<label>100 N</label>
</text>
<slider>
<row>1</row>
<col>2</col>
<live>true</live>
<halign>fill</halign>
<pref-width>300</pref-width>
<name>break_force</name>
<property>/sim/hitches/aerotow/tow/brake-force</property>
<min>100</min>
<max>100000</max>
<step>100</step>
<binding>
<command>dialog-apply</command>
</binding>
</slider>
<text>
<row>1</row>
<col>3</col>
<halign>left</halign>
<label>100,000 N</label>
</text>
<!-- tow characteristic -->
<text>
<row>2</row>
<col>1</col>
<halign>right</halign>
<label>0 N</label>
</text>
<slider>
<row>2</row>
<col>2</col>
<live>true</live>
<halign>fill</halign>
<pref-width>300</pref-width>
<name>elastic_constant</name>
<property>/sim/hitches/aerotow/tow/elastic-constant</property>
<min>0</min>
<max>1500000</max>
<step>200</step>
<binding>
<command>dialog-apply</command>
</binding>
</slider>
<text>
<row>2</row>
<col>3</col>
<halign>left</halign>
<label>1,500,000 N</label>
</text>
<!-- tow thickness -->
<text>
<row>3</row>
<col>1</col>
<halign>right</halign>
<label>0 mm</label>
</text>
<slider>
<row>3</row>
<col>2</col>
<live>true</live>
<halign>fill</halign>
<pref-width>300</pref-width>
<name>rope_diameter</name>
<property>/sim/hitches/aerotow/rope/rope-diameter-mm</property>
<min>0</min>
<max>50</max>
<step>1</step>
<binding>
<command>dialog-apply</command>
</binding>
</slider>
<text>
<row>3</row>
<col>3</col>
<halign>left</halign>
<label>50 mm</label>
</text>
<!-- tow weight -->
<text>
<row>4</row>
<col>1</col>
<halign>right</halign>
<label>0 kg/m</label>
</text>
<slider>
<row>4</row>
<col>2</col>
<live>true</live>
<halign>fill</halign>
<pref-width>300</pref-width>
<name>weight_per_m</name>
<property>/sim/hitches/aerotow/tow/weight-per-m-kg-m</property>
<min>0</min>
<max>1</max>
<step>0.001</step>
<binding>
<command>dialog-apply</command>
</binding>
</slider>
<text>
<row>4</row>
<col>3</col>
<halign>left</halign>
<label>1 kg/m</label>
</text>
</group>
</group>
<hrule/>
<!-- bottom line -->
<group>
<layout>hbox</layout>
<empty>
<stretch>true</stretch>
</empty>
<button>
<legend>Close</legend>
<equal>true</equal>
<binding>
<command>dialog-close</command>
</binding>
</button>
<button>
<legend>Default</legend>
<equal>true</equal>
<binding>
<command>nasal</command>
<script><![CDATA[
setprop("/sim/hitches/aerotow/tow/length", 60.0); # hitch.nas 60.0
setprop("/sim/hitches/aerotow/tow/brake-force", 100000.0); # hitch.nas 12345.0
setprop("/sim/hitches/aerotow/tow/elastic-constant", 10000.0); # hitch.nas 9111.0
setprop("/sim/hitches/aerotow/rope/rope-diameter-mm", 20); # hitch.nas 20
setprop("/sim/hitches/aerotow/tow/weight-per-m-kg-m", 0.35); # hitch.nas 0.35
]]></script>
</binding>
</button>
<empty>
<stretch>true</stretch>
</empty>
</group>
</PropertyList>

54
messages.nas
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@@ -1,54 +0,0 @@
#
# Aerotow Everywhere - Add-on for FlightGear
#
# Written and developer by Roman Ludwicki (PlayeRom, SP-ROM)
#
# Copyright (C) 2022 Roman Ludwicki
#
# Aerotow Everywhere is an Open Source project and it is licensed
# under the GNU Public License v3 (GPLv3)
#
#
# Display given message as OK.
#
# message - The text message to display on the screen and read by speech synthesizer.
#
var displayOk = func (message) {
display(message, "ok");
}
#
# Display given message as an error.
#
# message - The text message to display on the screen and read by speech synthesizer.
#
var displayError = func (message) {
display(message, "error");
}
#
# Display given message.
#
# message - The text message to display on the screen and read by speech synthesizer.
# type - The type of message. It can take values as "ok" or "error".
#
var display = func (message, type) {
# Print to console
print("Aerotow Everywhere add-on: " ~ message);
# Read the message by speech synthesizer
props.globals.getNode("/sim/sound/voices/ai-plane").setValue(message);
# Display message on the screen
var durationInSec = int(size(message) / 12) + 3;
var window = screen.window.new(nil, -40, 10, durationInSec);
window.bg = [0.0, 0.0, 0.0, 0.40];
window.fg = type == "error"
? [1.0, 0.0, 0.0, 1]
: [0.0, 1.0, 0.0, 1];
window.align = "center";
window.write(message);
}

106
nasal/aerotow.nas Normal file
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#
# Aerotow Everywhere - Add-on for FlightGear
#
# Written and developer by Roman Ludwicki (PlayeRom, SP-ROM)
#
# Copyright (C) 2022 Roman Ludwicki
#
# Aerotow Everywhere is an Open Source project and it is licensed
# under the GNU Public License v3 (GPLv3)
#
#
# Class Aerotow for enable and disable scenario with aerotow aircraft.
#
var Aerotow = {
#
# Constructor
#
# addon - Addon object
#
new: func (addon) {
var obj = { parents: [Aerotow] };
obj.addon = addon;
obj.addonNodePath = addon.node.getPath();
obj.listeners = [];
obj.message = Message.new();
obj.thermal = Thermal.new(addon, obj.message);
obj.scenario = Scenario.new(addon, obj.message);
# Listener for ai-model property triggered when the user select a tow aircraft from add-on menu
append(obj.listeners, setlistener(obj.addonNodePath ~ "/addon-devel/ai-model", func () {
obj.restartAerotow();
}));
return obj;
},
#
# Uninitialize aerotow module
#
del: func () {
me.thermal.del();
foreach (var listener; me.listeners) {
removelistener(listener);
}
},
#
# Function for restart AI scenario with delay when the sound has to stop.
#
restartAerotow: func () {
me.message.success("Aerotow on the way");
# Stop playing engine sound
setprop(me.addonNodePath ~ "/addon-devel/sound/enable", false);
# Wait a second for the engine sound to turn off
Timer.new().singleShot(1, me, func () {
me.unloadScenario();
});
},
#
# Unload scenario and start a new one
#
unloadScenario: func () {
if (!me.scenario.unload()) {
return;
}
# Start aerotow with delay to avoid duplicate engine sound playing
Timer.new().singleShot(1, me, func () {
me.startAerotow();
});
},
#
# Main function to prepare AI scenario and run it.
#
# Return true on successful, otherwise false.
#
startAerotow: func () {
if (!me.scenario.unload()) {
return false;
}
if (!me.scenario.generateXml()) {
return false;
}
return me.scenario.load();
},
#
# Function for unload our AI scenario.
#
# Return true on successful, otherwise false.
#
stopAerotow: func () {
var withMessages = true;
return me.scenario.unload(withMessages);
},
};

214
nasal/aircraft.nas Normal file
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#
# Aerotow Everywhere - Add-on for FlightGear
#
# Written and developer by Roman Ludwicki (PlayeRom, SP-ROM)
#
# Copyright (C) 2022 Roman Ludwicki
#
# Aerotow Everywhere is an Open Source project and it is licensed
# under the GNU Public License v3 (GPLv3)
#
#
# Parent class of Aircraft
#
var Aircraft = {
#
# Constants
#
DISTANCE_DETERMINANT: 1000, # meters
#
# Constructor
#
# vs - vertical speed in ft per DISTANCE_DETERMINANT m
# seed - take-off speed
# speedLimit - max speed
# rolling - factor for rolling
# minRwyLength - minimum runway length required, in meters
# minFinalLegDist - minimum distance for final leg in meters (for landing)
# name - full name of aircraft used in route dialog
# nameMenuCall - short name of aircraft for call a plane from menu
# modelPath - Path to the aircraft model
#
new: func (vs, speed, speedLimit, rolling, minRwyLength, minFinalLegDist, name, nameMenuCall, modelPath) {
var obj = { parents: [Aircraft] };
obj.vs = vs;
obj.speed = speed;
obj.speedLimit = speedLimit;
obj.rolling = rolling;
obj.minRwyLength = minRwyLength;
obj.minFinalLegDist = minFinalLegDist;
obj.name = name;
obj.nameMenuCall = nameMenuCall;
obj.modelPath = modelPath;
return obj;
},
#
# Check that given name match to aircraft name
#
# name - Name of aircraft to check.
#
# Return true when match, otherwise false.
#
isModelName: func (name) {
return name == me.name or name == me.nameMenuCall;
},
#
# Return how much the altitide increases for a given vertical speed and distance
#
# distance - distance in meters
#
getAltChange: func (distance) {
return me.vs * (distance / Aircraft.DISTANCE_DETERMINANT);
},
#
# Return selected Aircraft object
#
# addon - Addon object
# isRouteMode - Use true to get the plane for the "Aerotow Route" dialog,
# use false (default) for call the airplane for towing.
#
getSelected: func (addon, isRouteMode = 0) {
var name = Aircraft.getSelectedAircraftName(addon, isRouteMode);
foreach (var aircraft; g_Aircrafts) {
if (aircraft.isModelName(name)) {
return aircraft;
}
}
# Fist as default
return g_Aircrafts[0];
},
#
# Return name of selected aircraft. Possible values depend of isRouteMode: "Cub", "DR400", "c182".
#
#
# addon - Addon object
# isRouteMode - Use true to get the plane for the "Aerotow Route" dialog,
# use false (default) for call the airplane for towing.
#
getSelectedAircraftName: func (addon, isRouteMode) {
if (isRouteMode) {
return getprop(addon.node.getPath() ~ "/addon-devel/route/ai-model") or g_Aircrafts[0].name;
}
return getprop(addon.node.getPath() ~ "/addon-devel/ai-model") or g_Aircrafts[0].nameMenuCall;
},
};
#
# Cub
# Cruise Speed 61 kt
# Max Speed 106 kt
# Approach speed 44-52 kt
# Stall speed 33 kt
#
var AircraftCub = {
#
# Constructor
#
new: func () {
return {
parents: [Aircraft],
vs: 200,
speed: 55,
speedLimit: 60,
rolling: 1,
minRwyLength: 280,
minFinalLegDist: 5000,
name: "Piper J3 Cub",
nameMenuCall: "Cub",
modelPath: "Aircraft/Aerotow/Cub/Models/Cub-ai.xml",
};
},
};
#
# Robin DR 400
# Cruise Speed 134 kt
# Max speeed 166 kt
# Stall speed 51 kt
# Rate of climb: 825 ft/min
#
var AircraftRobin = {
#
# Constructor
#
new: func () {
return {
parents: [Aircraft],
vs: 285,
speed: 70,
speedLimit: 75,
rolling: 2,
minRwyLength: 470,
minFinalLegDist: 5400,
name: "Robin DR400",
nameMenuCall: "DR400",
modelPath: "Aircraft/Aerotow/DR400/Models/dr400-ai.xml",
};
},
};
#
# Cessna 182
# Cruise Speed 145 kt
# Max speeed 175 kt
# Stall speed 50 kt
# Best climb: 924 ft/min
#
var AircraftC182 = {
new: func () {
return {
parents: [Aircraft],
vs: 295,
speed: 75,
speedLimit: 80,
rolling: 2.2,
minRwyLength: 508,
minFinalLegDist: 5500,
name: "Cessna 182",
nameMenuCall: "c182",
modelPath: "Aircraft/Aerotow/c182/Models/c182-ai.xml",
};
},
};
#
# Douglas C-47
# Cruise Speed 152 kt
# Max speeed 199 kt
# Stall speed 57 kt
# Best climb: 1052 ft/min
#
var AircraftC47 = {
new: func () {
return {
parents: [Aircraft],
vs: 310,
speed: 85,
speedLimit: 90,
rolling: 2.2,
minRwyLength: 508,
minFinalLegDist: 6000,
name: "Douglas C-47",
nameMenuCall: "C47",
modelPath: "Aircraft/Aerotow/C-47/Models/c-47-ai.xml",
};
},
};
# Create Aircraft objects
var g_Aircrafts = [
AircraftCub.new(),
AircraftRobin.new(),
AircraftC182.new(),
AircraftC47.new(),
];

149
nasal/dialogs/route.nas Normal file
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#
# Aerotow Everywhere - Add-on for FlightGear
#
# Written and developer by Roman Ludwicki (PlayeRom, SP-ROM)
#
# Copyright (C) 2022 Roman Ludwicki
#
# Aerotow Everywhere is an Open Source project and it is licensed
# under the GNU Public License v3 (GPLv3)
#
#
# Class for hande Route Dialog
#
var RouteDialog = {
#
# Constants
#
ROUTE_SAVES_DIR: "route-saves",
#
# Constructor
#
# addon - Addon object
#
new: func (addon, message) {
var obj = { parents: [RouteDialog] };
obj.addon = addon;
obj.message = message;
obj.addonNodePath = addon.node.getPath();
obj.savePath = addon.storagePath ~ "/" ~ RouteDialog.ROUTE_SAVES_DIR;
obj.maxRouteWaypoints = 10;
obj.listeners = [];
# Set listener for aerotow combo box value in route dialog for recalculate altitude change
append(obj.listeners, setlistener(obj.addonNodePath ~ "/addon-devel/route/ai-model", func () {
obj.calculateAltChangeAndTotals();
}));
# Set listener for Max altitude AGL value in route dialog for recalculate altitude change
append(obj.listeners, setlistener(obj.addonNodePath ~ "/addon-devel/route/wpts/max-alt-agl", func () {
obj.calculateAltChangeAndTotals();
}));
# Set listeners for distance fields for calculate altitude change
for (var i = 0; i < obj.maxRouteWaypoints; i += 1) {
append(obj.listeners, setlistener(obj.addonNodePath ~ "/addon-devel/route/wpts/wpt[" ~ i ~ "]/distance-m", func () {
obj.calculateAltChangeAndTotals();
}));
}
return obj;
},
#
# Destructor
#
del: func () {
foreach (var listener; me.listeners) {
removelistener(listener);
}
},
#
# Calculate total distance and altitude and put in to property tree
#
calculateAltChangeAndTotals: func () {
var totalDistance = 0.0;
var totalAlt = 0.0;
var isEnd = false;
var isAltLimit = false;
var isRouteMode = true;
var aircraft = Aircraft.getSelected(me.addon, isRouteMode);
# 0 means without altitude limits
var maxAltAgl = getprop(me.addonNodePath ~ "/addon-devel/route/wpts/max-alt-agl") or 0;
for (var i = 0; i < me.maxRouteWaypoints; i += 1) {
var distance = getprop(me.addonNodePath ~ "/addon-devel/route/wpts/wpt[" ~ i ~ "]/distance-m") or 0;
# If we have reached the altitude limit, the altitude no longer changes (0)
var altChange = isAltLimit ? 0 : aircraft.getAltChange(distance);
if (maxAltAgl > 0 and altChange > 0 and totalAlt + altChange > maxAltAgl) {
# We will exceed the altitude limit, so set the altChange to the altitude limit
# and set isAltLimit flag that the limit is reached.
altChange = maxAltAgl - totalAlt;
isAltLimit = true;
}
setprop(me.addonNodePath ~ "/addon-devel/route/wpts/wpt[" ~ i ~ "]/alt-change-agl-ft", altChange);
if (!isEnd) {
if (distance > 0.0) {
totalDistance += distance;
totalAlt += altChange;
}
else {
isEnd = true;
}
}
}
setprop(me.addonNodePath ~ "/addon-devel/route/total/distance", totalDistance);
setprop(me.addonNodePath ~ "/addon-devel/route/total/alt", totalAlt);
},
#
# Save route with description to the XML file.
#
save: func () {
me.openFileSelector(
func (node) {
var nodeSave = props.globals.getNode(me.addonNodePath ~ "/addon-devel/route/wpts");
if (io.write_properties(node.getValue(), nodeSave)) {
me.message.success("The route has been saved");
}
},
"Save route",
"Save"
);
},
#
# Load route with description from the XML file.
#
load: func () {
me.openFileSelector(
func (node) {
var nodeLoad = props.globals.getNode(me.addonNodePath ~ "/addon-devel/route/wpts");
if (io.read_properties(node.getValue(), nodeLoad)) {
me.message.success("The route has been loaded");
}
},
"Load route",
"Load"
);
},
#
# Open file selector dialog for save/load XML file with route.
#
openFileSelector: func (callback, title, button) {
var fileSelector = gui.FileSelector.new(callback, title, button, ["*.xml"], me.savePath, "route.xml");
fileSelector.open();
},
};

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#
# Aerotow Everywhere - Add-on for FlightGear
#
# Written and developer by Roman Ludwicki (PlayeRom, SP-ROM)
#
# Copyright (C) 2022 Roman Ludwicki
#
# Aerotow Everywhere is an Open Source project and it is licensed
# under the GNU Public License v3 (GPLv3)
#
#
# Class Thermal for handle add new thermal.
#
var Thermal = {
#
# Constructor
#
# addon - Addon object
# message - Message object
#
new: func (addon, message) {
var obj = { parents: [Thermal] };
obj.addon = addon;
obj.addonNodePath = addon.node.getPath();
obj.message = message;
obj.listeners = [];
# Listener for calculate distance from meters to nautical miles.
append(obj.listeners, setlistener(obj.addonNodePath ~ "/addon-devel/add-thermal/distance-m", func (node) {
setprop(obj.addonNodePath ~ "/addon-devel/add-thermal/distance-nm", node.getValue() * globals.M2NM);
}));
# Listener for calculate strength from ft/s to m/s.
append(obj.listeners, setlistener(obj.addonNodePath ~ "/addon-devel/add-thermal/strength-fps", func (node) {
setprop(obj.addonNodePath ~ "/addon-devel/add-thermal/strength-mps", node.getValue() * globals.FPS2KT * globals.KT2MPS);
}));
# Listener for calculate diameter from ft to m.
append(obj.listeners, setlistener(obj.addonNodePath ~ "/addon-devel/add-thermal/diameter-ft", func (node) {
setprop(obj.addonNodePath ~ "/addon-devel/add-thermal/diameter-m", node.getValue() * globals.FT2M);
}));
# Listener for calculate height from ft to m.
append(obj.listeners, setlistener(obj.addonNodePath ~ "/addon-devel/add-thermal/height-msl", func (node) {
setprop(obj.addonNodePath ~ "/addon-devel/add-thermal/height-msl-m", node.getValue() * globals.FT2M);
}));
return obj;
},
#
# Destructor
#
del: func () {
foreach (var listener; me.listeners) {
removelistener(listener);
}
},
#
# Add thermal 300 m before glider position.
#
# Return true on successful, otherwise false.
#
add: func () {
var heading = getprop("/orientation/heading-deg") or 0;
var distance = getprop(me.addonNodePath ~ "/addon-devel/add-thermal/distance-m") or 300;
var position = geo.aircraft_position();
position.apply_course_distance(heading, distance);
# Get random layer from 1 to 4
var layer = int(rand() * 4) + 1;
var args = props.Node.new({
"type": "thermal",
"model": "Models/Weather/altocumulus_layer" ~ layer ~ ".xml",
"latitude": position.lat(),
"longitude": position.lon(),
"strength-fps": getprop(me.addonNodePath ~ "/addon-devel/add-thermal/strength-fps") or 16.0,
"diameter-ft": getprop(me.addonNodePath ~ "/addon-devel/add-thermal/diameter-ft") or 4000,
"height-msl": getprop(me.addonNodePath ~ "/addon-devel/add-thermal/height-msl") or 9000,
"search-order": "DATA_ONLY"
});
if (fgcommand("add-aiobject", args)) {
me.message.success("The thermal has been added");
return true;
}
me.message.error("Adding thermal failed");
return false;
},
};

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#
# Aerotow Everywhere - Add-on for FlightGear
#
# Written and developer by Roman Ludwicki (PlayeRom, SP-ROM)
#
# Copyright (C) 2022 Roman Ludwicki
#
# Aerotow Everywhere is an Open Source project and it is licensed
# under the GNU Public License v3 (GPLv3)
#
#
# Class FlightPlan for crate and save as XML file the flight plan for AI scenario.
#
var FlightPlan = {
#
# Constants
#
FILENAME_FLIGHTPLAN: "aerotown-addon-flightplan.xml",
MAX_RUNWAY_DISTANCE: 100, # meters
#
# Constructor
#
# addon - Addon object
# message - Message object
# routeDialog - RouteDialog object
#
new: func (addon, message, routeDialog) {
var obj = { parents: [FlightPlan] };
obj.addon = addon;
obj.message = message;
obj.routeDialog = routeDialog;
obj.flightPlanWriter = FlightPlanWriter.new(addon);
obj.addonNodePath = addon.node.getPath();
obj.coord = nil; # Coordinates for flight plan
obj.heading = nil; # AI plane heading
obj.altitude = nil; # AI plane altitude
return obj;
},
#
# Get inital location of glider.
#
# Return object with "lat", "lon" and "heading".
#
getLocation: func () {
var icao = getprop("/sim/airport/closest-airport-id");
if (icao == nil or icao == "") {
me.message.error("Airport code cannot be obtained.");
return nil;
}
# Find nearest runway threshold
var airport = airportinfo(icao);
if (airport == nil) {
me.message.error("An airport with the code " ~ icao ~ " cannot be found.");
return nil;
}
var gliderCoord = geo.aircraft_position();
var rwyResult = me.findRunway(airport, gliderCoord);
if (rwyResult.distance > FlightPlan.MAX_RUNWAY_DISTANCE) {
# The runway is too far away, we assume a bush start
return {
"type" : "bush",
"lat" : gliderCoord.lat(),
"lon" : gliderCoord.lon(),
"heading" : getprop("/orientation/heading-deg"),
"elevation": me.getEleveationInFt(gliderCoord),
};
}
# We have a runway
var minRwyLength = Aircraft.getSelected(me.addon).minRwyLength;
if (rwyResult.runway.length < minRwyLength) {
me.message.error(
"This runway is too short. Please choose a longer one than " ~ minRwyLength ~ " m "
~ "(" ~ math.round(minRwyLength * globals.M2FT) ~ " ft)."
);
return nil;
}
return {
"type" : "runway",
"lat" : rwyResult.runway.lat,
"lon" : rwyResult.runway.lon,
"heading" : rwyResult.runway.heading,
"elevation": me.getEleveationInFt(
geo.Coord.new().set_latlon(rwyResult.runway.lat, rwyResult.runway.lon)
),
"length" : rwyResult.runway.length,
};
},
#
# Find nearest runway for given airport
#
# Return hash with distance to nearest runway threshold and runway object itself.
#
findRunway: func (airport, gliderCoord) {
var result = {
"runway" : nil,
"distance" : 999999999,
};
foreach (var runwayName; keys(airport.runways)) {
var runway = airport.runways[runwayName];
var rwyThreshold = geo.Coord.new().set_latlon(runway.lat, runway.lon);
var distanceToThreshold = rwyThreshold.distance_to(gliderCoord);
if (distanceToThreshold < result.distance) {
result.runway = runway;
result.distance = distanceToThreshold;
}
}
return result;
},
#
# Initialize flight plan and set it to property tree
#
# Return true on successful, otherwise false.
#
initial: func () {
var location = me.getLocation();
if (location == nil) {
return false;
}
var aircraft = Aircraft.getSelected(me.addon);
var isGliderPos = false;
me.initAircraftVariable(location, isGliderPos);
# Max altitude without limits
setprop(me.addonNodePath ~ "/addon-devel/route/wpts/max-alt-agl", 0);
# inittial readonly waypoint
setprop(me.addonNodePath ~ "/addon-devel/route/init-wpt/heading-change", me.heading);
setprop(me.addonNodePath ~ "/addon-devel/route/init-wpt/distance-m", 100);
setprop(me.addonNodePath ~ "/addon-devel/route/init-wpt/alt-change-agl-ft", aircraft.vs / 10);
# in air
var wptData = [
{"hdgChange": 0, "dist": 5000, "altChange": aircraft.vs * 5},
{"hdgChange": -90, "dist": 1000, "altChange": aircraft.vs},
{"hdgChange": -90, "dist": 6000, "altChange": aircraft.vs * 6},
{"hdgChange": -90, "dist": 1500, "altChange": aircraft.vs * 1.5},
{"hdgChange": -90, "dist": 6000, "altChange": aircraft.vs * 6},
{"hdgChange": 0, "dist": 0, "altChange": 0},
{"hdgChange": 0, "dist": 0, "altChange": 0},
{"hdgChange": 0, "dist": 0, "altChange": 0},
{"hdgChange": 0, "dist": 0, "altChange": 0},
{"hdgChange": 0, "dist": 0, "altChange": 0},
];
# Default route
# ^ - airport with heading direction to north
# 1 - 1st waypoint
# 2 - 2nd waypoint, etc.
#
# 2 . . 1 5
# . . .
# . . .
# . . .
# . . .
# . . .
# . . .
# . . .
# . . .
# . . .
# . ^ .
# . .
# . .
# 3 . . . . 4
var index = 0;
foreach (var wpt; wptData) {
setprop(me.addonNodePath ~ "/addon-devel/route/wpts/wpt[" ~ index ~ "]/heading-change", wpt.hdgChange);
setprop(me.addonNodePath ~ "/addon-devel/route/wpts/wpt[" ~ index ~ "]/distance-m", wpt.dist);
setprop(me.addonNodePath ~ "/addon-devel/route/wpts/wpt[" ~ index ~ "]/alt-change-agl-ft", wpt.altChange);
index += 1;
}
me.routeDialog.calculateAltChangeAndTotals();
setprop(me.addonNodePath ~ "/addon-devel/route/wpts/description", "Default route around the start location");
return true;
},
#
# Generate the XML file with the flight plane for our plane for AI scenario.
# The file will be stored to $FG_HOME/Export/Addons/org.flightgear.addons.Aerotow/AI/FlightPlans/aerotown-addon-flightplan.xml.
#
# Return true on successful, otherwise false.
#
generateXml: func () {
var location = me.getLocation();
if (location == nil) {
return false;
}
me.flightPlanWriter.open();
var aircraft = Aircraft.getSelected(me.addon);
var isGliderPos = true;
me.initAircraftVariable(location, isGliderPos);
# Start at 2 o'clock from the glider...
# Inital ktas must be >= 1.0
me.addWptGround({"shift": {"hdgChange": 60, "dist": 25, "altChange": 0}, "ktas": 5}); # 1
# Reset coord and heading
isGliderPos = false;
me.initAircraftVariable(location, isGliderPos);
var gliderOffsetM = me.getGliderOffsetFromRunwayThreshold(location);
# ... and line up with the runway
me.addWptGround({"shift": {"hdgChange": 0, "dist": me.getInitialDistance() + gliderOffsetM, "altChange": 0}, "ktas": 2.5}); # 2
# Rolling
me.addWptGround({"shift": {"hdgChange": 0, "dist": 10, "altChange": 0}, "ktas": 5}); # 3
me.addWptGround({"shift": {"hdgChange": 0, "dist": 20, "altChange": 0}, "ktas": 5}); # 4
me.addWptGround({"shift": {"hdgChange": 0, "dist": 20, "altChange": 0}, "ktas": aircraft.speed / 6}); # 5
me.addWptGround({"shift": {"hdgChange": 0, "dist": 10, "altChange": 0}, "ktas": aircraft.speed / 5}); # 6
me.addWptGround({"shift": {"hdgChange": 0, "dist": 10 * aircraft.rolling, "altChange": 0}, "ktas": aircraft.speed / 4}); # 7
me.addWptGround({"shift": {"hdgChange": 0, "dist": 10 * aircraft.rolling, "altChange": 0}, "ktas": aircraft.speed / 3.5}); # 8
me.addWptGround({"shift": {"hdgChange": 0, "dist": 10 * aircraft.rolling, "altChange": 0}, "ktas": aircraft.speed / 3}); # 9
me.addWptGround({"shift": {"hdgChange": 0, "dist": 10 * aircraft.rolling, "altChange": 0}, "ktas": aircraft.speed / 2.5}); # 10
me.addWptGround({"shift": {"hdgChange": 0, "dist": 10 * aircraft.rolling, "altChange": 0}, "ktas": aircraft.speed / 2}); # 11
me.addWptGround({"shift": {"hdgChange": 0, "dist": 10 * aircraft.rolling, "altChange": 0}, "ktas": aircraft.speed / 1.75}); # 12
me.addWptGround({"shift": {"hdgChange": 0, "dist": 10 * aircraft.rolling, "altChange": 0}, "ktas": aircraft.speed / 1.5}); # 13
me.addWptGround({"shift": {"hdgChange": 0, "dist": 10 * aircraft.rolling, "altChange": 0}, "ktas": aircraft.speed / 1.25}); # 14
me.addWptGround({"shift": {"hdgChange": 0, "dist": 10 * aircraft.rolling, "altChange": 0}, "ktas": aircraft.speed}); # 15
# Take-off
me.addWptAir({ "shift": {"hdgChange": 0, "dist": 100 * aircraft.rolling, "elevation": 3}, "ktas": aircraft.speed * 1.05}); # 16
me.addWptAir({ "shift": {"hdgChange": 0, "dist": 100, "altChange": aircraft.vs / 10}, "ktas": aircraft.speed * 1.025}); # 17
# 0 means without altitude limits
var maxAltAgl = getprop(me.addonNodePath ~ "/addon-devel/route/wpts/max-alt-agl") or 0;
var totalAlt = 0.0;
var isAltLimit = false;
# Add waypoints according to user settings
var speedInc = 1.0;
foreach (var wptNode; props.globals.getNode(me.addonNodePath ~ "/addon-devel/route/wpts").getChildren("wpt")) {
var distance = wptNode.getChild("distance-m").getValue();
if (distance <= 0.0) {
break;
}
var hdgChange = wptNode.getChild("heading-change").getValue();
# If we have reached the altitude limit, the altitude no longer changes (0)
var altChange = isAltLimit ? 0 : aircraft.getAltChange(distance);
if (maxAltAgl > 0 and altChange > 0 and totalAlt + altChange > maxAltAgl) {
# We will exceed the altitude limit, so set the altChange to the altitude limit
# and set isAltLimit flag that the limit is reached.
altChange = maxAltAgl - totalAlt;
isAltLimit = true;
}
speedInc += ((distance / Aircraft.DISTANCE_DETERMINANT) * 0.025);
var ktas = aircraft.speed * speedInc;
if (ktas > aircraft.speedLimit) {
ktas = aircraft.speedLimit;
}
totalAlt += altChange;
me.addWptAir({"shift": {"hdgChange": hdgChange, "dist": distance, "altChange": altChange}, "ktas": ktas});
}
# Back to airport if possible
if (location.type == "runway") {
# Add extra near waypoint to keep plane in whole designed track
me.addWptAir({"shift": {"hdgChange": hdgChange, "dist": 100, "altChange": altChange}, "ktas": ktas});
var coordRwyThreshold = geo.Coord.new().set_latlon(location.lat, location.lon);;
# Check distance to runway threshold
var dostanceToThreshold = me.coord.distance_to(coordRwyThreshold);
# Reset variables
me.heading = location.heading; # runway heading
me.coord = coordRwyThreshold;
# Move o the left of the runway threshold
me.heading = me.correctHeading(me.heading - 90);
me.coord.apply_course_distance(me.heading, 1000);
# Add a waypoint to the left of the runway + 3000 m to the middle of length
# Descend as far as you can to max elevation + 3000 ft
var halfRwyLenght = location.length / 2;
var altAgl = me.altitude - location.elevation;
var elevation = altAgl - (aircraft.getAltChange(dostanceToThreshold) * 2);
if (elevation < 3000) {
elevation = 3000;
}
me.addWptAir({"shift": {"hdgChange": 90, "dist": halfRwyLenght, "elevation": elevation}, "ktas": aircraft.speed});
# Fly downwind away of threshold, how far depend of the altitude
var desiredElevation = 1400;
var distance = (((elevation - desiredElevation) / (aircraft.vs * 2)) * 1000);
if (distance < aircraft.minFinalLegDist) {
distance = aircraft.minFinalLegDist;
}
me.addWptAir({"shift": {"hdgChange": -180, "dist": halfRwyLenght + distance, "elevation": desiredElevation}, "ktas": aircraft.speed});
# Turn to base leg
me.addWptAir({"shift": {"hdgChange": -90, "dist": 1000, "elevation": 1000}, "ktas": aircraft.speed, "flapsDown": true});
# Reset variables
me.coord = geo.Coord.new().set_latlon(location.lat, location.lon); # runway threshold
# Turn on final
me.addWptAir({
"coord" : me.coord,
"crossAt" : location.elevation + 10,
"ktas" : aircraft.speed * 0.75,
"flapsDown": true,
"gearDown" : true,
});
# Reset variables
me.heading = location.heading;
# Flare
me.addWptAir({
"shift" : {"hdgChange": 0, "dist": 100, "elevation": 10},
"ktas" : aircraft.speed * 0.7,
"flapsDown": true,
"gearDown" : true,
});
# Touchdown
me.addWptGround({"shift": {"hdgChange": 0, "dist": 200, "elevation": 0}, "ktas": aircraft.speed * 0.6});
# Break
me.addWptGround({"shift": {"hdgChange": 0, "dist": 200, "elevation": 0}, "ktas": aircraft.speed * 0.4});
# Slow down to 5 kt
me.addWptGround({"shift": {"hdgChange": 0, "dist": 50, "elevation": 0}, "ktas": 5});
# Turn right out of runway and full stop
me.addWptEnd({"shift": {"hdgChange": 90, "dist": 100, "elevation": 0}, "ktas": 0, "onGround": true});
}
else {
me.addWptEnd();
}
me.flightPlanWriter.close();
return true;
},
#
# Get initial distance AI plane from the glider that the tow is nearly tautened.
#
# Return distance in meters.
#
getInitialDistance: func () {
var ropeLengthM = getprop("/sim/hitches/aerotow/tow/length") or 60;
var tautenRelative = 0.68;
return ropeLengthM * tautenRelative;
},
#
# Initialize AI aircraft variable
#
# location - Object of location from which the glider start.
# isGliderPos - Pass true for set AI aircraft's coordinates as glider position, false set coordinates as runway threshold.
#
initAircraftVariable: func (location, isGliderPos) {
var gliderCoord = geo.aircraft_position();
# Set coordinates as glider position or runway threshold
me.coord = isGliderPos
? gliderCoord
: geo.Coord.new().set_latlon(location.lat, location.lon);
# Set airplane heading as runway or glider heading
me.heading = location.heading;
# Set AI airplane altitude as glider altitude (assumed it's on the ground).
# It is more accurate than airport.elevation.
me.altitude = gliderCoord.alt() * globals.M2FT;
},
#
# Get distance from glider to runway threshold e.g. in case that the user taxi from the runway threshold
#
# location - Object of location from which the glider start.
# Return the distance in metres, of the glider's displacement from the runway threshold.
#
getGliderOffsetFromRunwayThreshold: func (location) {
if (location.type == "runway") {
var gliderCoord = geo.aircraft_position();
var rwyThreshold = geo.Coord.new().set_latlon(location.lat, location.lon);
return rwyThreshold.distance_to(gliderCoord);
}
# We are not on the runway, return 0 distance
return 0;
},
#
# Add new waypoint on ground
#
# wptData - hash object with waypoint data
#
addWptGround: func (wptData) {
wptData.onGround = true;
me.addWpt(wptData);
},
#
# Add new waypoint in air
#
# wptData - hash object wtih waypoint data
#
addWptAir: func (wptData) {
if (contains(wptData, "onGround")) {
wptData.onGround = nil;
}
me.addWpt(wptData);
},
#
# Add "WAIT" waypoint
#
# sec - Number of seconds for wait
#
addWptWait: func (sec) {
me.addWpt({"waitSec": sec});
},
#
# Add "END" waypoint with optional waypoint data
#
addWptEnd: func (wptData = nil) {
if (wptData == nil) {
wptData = {};
}
wptData.name = "END";
me.addWpt(wptData);
},
#
# Add new waypoint with given waypoint data
#
# wptData = {
# shift: { - Optionally hash with data to calculate next coordinates (lat, lon) and altitude of waypoint
# hdgChange - How the aircraft's heading supposed to change? 0 - keep the same heading.
# dist - Distance in meters to calculate next waypoint coordinates.
# altChange - How the aircraft's altitude is supposed to change? 0 - keep the same altitude.
# elevation - Set aircraft altitude as current terrain elevation + given value in feets.
# It's best to use for the first point in the air to avoid the plane collapsing into
# the ground in a bumpy airport.
# },
# coord - The geo.Coord object, required if shift is not given
# crossAt - Altitude in feet, required if shift is not given
# ktas - True airspeed in knots, required
# onGround - If true then set on ground, otherwise set in air
# flapsDown - If true then set flaps down, otherwise set flaps up
# gearDown - If true then set gear down, otherwise set gear up
# waitSec - Number of seconds for WIAT waypoint
# }
#
addWpt: func (wptData) {
if (contains(wptData, "shift")) {
me.shiftWpt(wptData.shift);
# Set coord and crossAt updated by shiftWpt()
wptData.coord = me.coord;
wptData.crossAt = me.altitude;
}
var wpt = Waypoint.new().setHashData(wptData);
me.flightPlanWriter.write(wpt);
},
#
# Calculate heading, coordinates and altitude from data in wptShift hash
#
# wptShift - hash object with data
#
shiftWpt: func (wptShift) {
if (!contains(wptShift, "hdgChange")) {
die("ERROR aerotow add-on: missing 'hdgChange' for computeWptShift");
}
if (!contains(wptShift, "dist")) {
die("ERROR aerotow add-on: missing 'dist' for computeWptShift");
}
# Shift heading and coordinates
me.heading = me.correctHeading(me.heading + wptShift.hdgChange);
me.coord.apply_course_distance(me.heading, wptShift.dist);
if (contains(wptShift, "elevation")) {
# Set the altitude as the elevation for coordinates of the point plus the given elevation
me.altitude = me.getEleveationInFt(me.coord) + wptShift.elevation;
return;
}
if (contains(wptShift, "altChange")) {
# Change altitude by given altChange
me.altitude += wptShift.altChange;
}
},
#
# Correct the heading value that to be from 0 to 360
#
# heading - heading for correction
# Return heading in range from 0 to 360.
#
correctHeading: func (heading) {
if (heading < 0) {
heading += 360;
}
if (heading > 360) {
heading -= 360;
}
return heading;
},
#
# Get elevation of given coordinates in feet
#
# coord - geo.Coord object
#
getEleveationInFt: func (coord) {
if (coord == nil) {
return nil;
}
return geo.elevation(coord.lat(), coord.lon()) * globals.M2FT;
},
};

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#
# Aerotow Everywhere - Add-on for FlightGear
#
# Written and developer by Roman Ludwicki (PlayeRom, SP-ROM)
#
# Copyright (C) 2022 Roman Ludwicki
#
# Aerotow Everywhere is an Open Source project and it is licensed
# under the GNU Public License v3 (GPLv3)
#
#
# Class FlightPlanWriter for write flight plan to the XML file
#
var FlightPlanWriter = {
#
# Constructor
#
# addon - Addon object
#
new: func (addon) {
var obj = { parents: [FlightPlanWriter] };
obj.fpFileHandler = nil; # Handler for wrire flight plan to file
obj.flightPlanPath = addon.storagePath ~ "/AI/FlightPlans/" ~ FlightPlan.FILENAME_FLIGHTPLAN;
obj.wptCount = 1;
return obj;
},
#
# Open XML file to wrire flight plan
#
open: func () {
me.wptCount = 1;
me.fpFileHandler = io.open(me.flightPlanPath, "w");
if (me.fpFileHandler) {
io.write(
me.fpFileHandler,
"<?xml version=\"1.0\"?>\n\n" ~
"<!-- This file is generated automatically by the Aerotow Everywhere add-on -->\n\n" ~
"<PropertyList>\n" ~
" <flightplan>\n"
);
}
},
#
# Write single waypoint to XML file with flight plan
#
# wpt - Waypoint object
#
write: func (wpt) {
if (!me.fpFileHandler) {
return;
}
if (wpt.name == nil) {
wpt.setName(me.wptCount);
}
var str = " <wpt>\n"
~ " <name>" ~ wpt.name ~ "</name>\n";
if (wpt.coord != nil) {
str ~= " <lat>" ~ wpt.coord.lat() ~ "</lat>\n";
str ~= " <lon>" ~ wpt.coord.lon() ~ "</lon>\n";
str ~= " <!--\n"
~ " " ~ wpt.coord.lat() ~ "," ~ wpt.coord.lon() ~ "\n"
~ " -->\n";
}
if (wpt.alt != nil) {
str ~= " <alt>" ~ wpt.alt ~ "</alt>\n";
}
if (wpt.crossAt != nil) {
str ~= " <crossat>" ~ wpt.crossAt ~ "</crossat>\n";
}
if (wpt.ktas != nil) {
str ~= " <ktas>" ~ wpt.ktas ~ "</ktas>\n";
}
if (wpt.onGround != nil) {
str ~= " <on-ground>" ~ (wpt.onGround ? "true" : "false") ~ "</on-ground>\n";
}
if (wpt.waitSec != nil) {
str ~= " <time-sec>" ~ wpt.waitSec ~ "</time-sec>\n";
}
if (wpt.flapsDown != nil) {
str ~= " <flaps-down>" ~ (wpt.flapsDown ? "true" : "false") ~ "</flaps-down>\n";
}
if (wpt.gearDown != nil) {
str ~= " <gear-down>" ~ (wpt.gearDown ? "true" : "false") ~ "</gear-down>\n";
}
str ~= " </wpt>\n";
io.write(me.fpFileHandler, str);
me.wptCount += 1;
},
#
# Close XML file with flight plan
#
close: func () {
if (me.fpFileHandler) {
io.write(
me.fpFileHandler,
" </flightplan>\n" ~
"</PropertyList>\n\n"
);
io.close(me.fpFileHandler);
me.fpFileHandler = nil;
}
},
};

175
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#
# Aerotow Everywhere - Add-on for FlightGear
#
# Written and developer by Roman Ludwicki (PlayeRom, SP-ROM)
#
# Copyright (C) 2022 Roman Ludwicki
#
# Aerotow Everywhere is an Open Source project and it is licensed
# under the GNU Public License v3 (GPLv3)
#
#
# Class Waypoint represent the data of waypoint in the flight plan.
#
var Waypoint = {
#
# Constructor
#
new: func () {
var obj = { parents: [Waypoint] };
obj.name = nil; # Name of waypoint. Special names are: "WAIT", "END".
obj.coord = nil; # geo.Coord object
obj.alt = nil; # Altitude AMSL in feet
obj.crossAt = nil; # Altitude AMSL in feet
obj.ktas = nil; # True airspeed in knots
obj.onGround = nil; # If true then on the ground, otherwise in air
obj.flapsDown = nil; # If true then flaps down, otherwise up
obj.gearDown = nil; # If true then gear down, otherwise up
obj.waitSec = nil; # Number of seconds for "WAIT" waypoint
return obj;
},
#
# Set name of waypoint
#
# name - Name of waypoint
#
setName: func (name) {
me.name = name;
return me;
},
#
# Set coordinates of waypoint
#
# coord - geo.Coord object
#
setCoord: func (coord) {
me.coord = coord;
return me;
},
#
# Set altitude in feet of waypoint
#
# alt - altitude in feet
#
setAlt: func (alt) {
me.alt = alt;
return me;
},
#
# Set altitude in feet of waypoint as cross at
#
# alt - altitude in feet
#
setCrossAt: func (crossAt) {
me.crossAt = crossAt;
return me;
},
#
# Set true airspeed in knots for waypoint
#
# ktas - true airspeed in knots
#
setKtas: func (ktas) {
me.ktas = ktas;
return me;
},
#
# Set waypoint on the ground
#
setOnGround: func () {
me.onGround = 1;
return me;
},
#
# Set flaps down
#
setFlapsDown: func () {
me.flapsDown = 1;
return me;
},
#
# Set gear down
#
setGearDown: func () {
me.gearDown = 1;
return me;
},
#
# Set number of seconds for WAIT waypoint. This force to use "WAIT" name.
#
# waitSec - Number of seconds
#
setWaitSec: func (waitSec) {
me.setName("WAIT"); # force WAIT name
me.waitSec = waitSec;
return me;
},
#
# Set all waypoint data from given hash object
#
setHashData: func (wptData) {
if (wptData == nil) {
return me;
}
if (contains(wptData, "name")) {
me.setName(wptData.name);
}
if (contains(wptData, "coord")) {
me.setCoord(wptData.coord);
}
if (contains(wptData, "crossAt")) {
me.setCrossAt(wptData.crossAt);
}
if (contains(wptData, "alt")) {
me.setAlt(wptData.alt);
}
if (contains(wptData, "ktas")) {
me.setKtas(wptData.ktas);
}
if (contains(wptData, "onGround") and wptData.onGround) {
me.setOnGround();
}
if (contains(wptData, "flapsDown") and wptData.flapsDown) {
me.setFlapsDown();
}
if (contains(wptData, "gearDown") and wptData.gearDown) {
me.setGearDown();
}
if (contains(wptData, "waitSec")) {
me.setWaitSec(wptData.waitSec);
}
return me;
}
};

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nasal/message.nas Normal file
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#
# Aerotow Everywhere - Add-on for FlightGear
#
# Written and developer by Roman Ludwicki (PlayeRom, SP-ROM)
#
# Copyright (C) 2022 Roman Ludwicki
#
# Aerotow Everywhere is an Open Source project and it is licensed
# under the GNU Public License v3 (GPLv3)
#
#
# Class Message for display messages on the screen with read by speech synthesizer.
#
var Message = {
#
# Constructor
#
new: func () {
return { parents: [Message] };
},
#
# Display given message as OK.
#
# message - The text message to display on the screen and read by speech synthesizer.
#
success: func (message) {
me.display(message, "ok");
},
#
# Display given message as an error.
#
# message - The text message to display on the screen and read by speech synthesizer.
#
error: func (message) {
me.display(message, "error");
},
#
# Display given message.
#
# message - The text message to display on the screen and read by speech synthesizer.
# type - The type of message. It can take values as "ok" or "error".
#
display: func (message, type) {
# Print to console
print("Aerotow Everywhere add-on: " ~ message);
# Read the message by speech synthesizer
props.globals.getNode("/sim/sound/voices/ai-plane").setValue(message);
# Display message on the screen
var durationInSec = int(size(message) / 12) + 3;
var window = screen.window.new(nil, -40, 10, durationInSec);
window.bg = [0.0, 0.0, 0.0, 0.40];
window.fg = type == "error"
? [1.0, 0.0, 0.0, 1]
: [0.0, 1.0, 0.0, 1];
window.align = "center";
window.write(message);
},
};

182
nasal/scenario.nas Normal file
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#
# Aerotow Everywhere - Add-on for FlightGear
#
# Written and developer by Roman Ludwicki (PlayeRom, SP-ROM)
#
# Copyright (C) 2022 Roman Ludwicki
#
# Aerotow Everywhere is an Open Source project and it is licensed
# under the GNU Public License v3 (GPLv3)
#
#
# Class Scenario for create AI scenario XML file and attach it to scenario property list for load it.
#
var Scenario = {
#
# Constants
#
SCENARIO_ID: "aerotow_addon",
SCENARIO_NAME: "Aerotow Add-on",
SCENARIO_DESC: "This scenario starts the towing plane at the airport where the pilot with the glider is located. Use Ctrl-o to hook the plane.",
FILENAME_SCENARIO: "aerotown-addon.xml",
#
# Constructor
#
# addon - Addon object
# message - Message object
#
new: func (addon, message) {
var obj = { parents: [Scenario] };
obj.addon = addon;
obj.message = message;
obj.addonNodePath = addon.node.getPath();
obj.listeners = [];
obj.routeDialog = RouteDialog.new(addon, message);
obj.flightPlan = FlightPlan.new(addon, message, obj.routeDialog);
obj.isScenarioLoaded = false;
obj.scenarioPath = addon.storagePath ~ "/" ~ Scenario.FILENAME_SCENARIO;
obj.flightPlan.initial();
append(obj.listeners, setlistener("/sim/presets/longitude-deg", func () {
# User change airport/runway
obj.flightPlan.initial();
}));
return obj;
},
#
# Destructor
#
del: func () {
me.routeDialog.del();
foreach (var listener; me.listeners) {
removelistener(listener);
}
},
#
# Generate the XML file with the AI scenario.
# The file will be stored to $FG_HOME/Export/Addons/org.flightgear.addons.Aerotow/aerotown-addon.xml.
#
# Return true on successful, otherwise false
#
generateXml: func () {
if (!me.flightPlan.generateXml()) {
return false;
}
var scenarioXml = {
"PropertyList": {
"scenario": {
"name": Scenario.SCENARIO_NAME,
"description": Scenario.SCENARIO_DESC,
"entry": {
"callsign": "FG-TOW",
"type": "aircraft",
"class": "aerotow-dragger",
"model": Aircraft.getSelected(me.addon).modelPath,
"flightplan": FlightPlan.FILENAME_FLIGHTPLAN,
"repeat": true, # start again indefinitely, it will work if the aircraft stops on the ground
}
}
}
};
var node = props.Node.new(scenarioXml);
io.writexml(me.scenarioPath, node);
me.addScenarioToPropertyList();
return true;
},
#
# Add our new scenario to the "/sim/ai/scenarios" property list
# so that FlightGear will be able to load it by "load-scenario" command.
#
addScenarioToPropertyList: func () {
if (!me.isAlreadyAdded()) {
var scenarioData = {
"name": Scenario.SCENARIO_NAME,
"id": Scenario.SCENARIO_ID,
"description": Scenario.SCENARIO_DESC,
"path": me.scenarioPath,
};
props.globals.getNode("/sim/ai/scenarios").addChild("scenario").setValues(scenarioData);
}
},
#
# Return true if scenario is already added to "/sim/ai/scenarios" property list, otherwise return false.
#
isAlreadyAdded: func () {
foreach (var scenario; props.globals.getNode("/sim/ai/scenarios").getChildren("scenario")) {
var id = scenario.getChild("id");
if (id != nil and id.getValue() == Scenario.SCENARIO_ID) {
return true;
}
}
return false;
},
#
# Load scenario
#
# Return true on successful, otherwise false.
#
load: func () {
var args = props.Node.new({ "name": Scenario.SCENARIO_ID });
if (fgcommand("load-scenario", args)) {
me.isScenarioLoaded = true;
me.message.success("Let's fly!");
# Enable engine sound
setprop(me.addonNodePath ~ "/addon-devel/sound/enable", true);
return true;
}
me.message.error("Tow failed!");
return false;
},
#
# Unload scenario
#
# withMessages - Set true to display messages.
#
# Return true on successful, otherwise false.
#
unload: func (withMessages = 0) {
if (me.isScenarioLoaded) {
var args = props.Node.new({ "name": Scenario.SCENARIO_ID });
if (fgcommand("unload-scenario", args)) {
me.isScenarioLoaded = false;
if (withMessages) {
me.message.success("Aerotown disabled");
}
return true;
}
if (withMessages) {
me.message.error("Aerotown disable failed");
}
return false;
}
if (withMessages) {
me.message.success("Aerotown already disabled");
}
return true;
},
};

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nasal/timer.nas Normal file
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#
# Aerotow Everywhere - Add-on for FlightGear
#
# Written and developer by Roman Ludwicki (PlayeRom, SP-ROM)
#
# Copyright (C) 2022 Roman Ludwicki
#
# Aerotow Everywhere is an Open Source project and it is licensed
# under the GNU Public License v3 (GPLv3)
#
#
# Class Timer for wrapping maketimer() function.
#
var Timer = {
#
# Constructor
#
new: func () {
return { parents: [Timer] };
},
#
# Run timer as single shot
#
# delaySec - Delay in seconds for execute timer's callback.
# self - Specifying what any "me" references in the function being called will refer to.
# callback - Function to be called after given delay.
#
# Return timer handler object
#
singleShot: func (delaySec, self, callback) {
var timer = maketimer(delaySec, self, func () {
callback();
});
timer.singleShot = true;
timer.start();
return timer;
},
};

97
thermal.nas
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#
# Aerotow Everywhere - Add-on for FlightGear
#
# Written and developer by Roman Ludwicki (PlayeRom, SP-ROM)
#
# Copyright (C) 2022 Roman Ludwicki
#
# Aerotow Everywhere is an Open Source project and it is licensed
# under the GNU Public License v3 (GPLv3)
#
#
# Constants
#
var addon = addons.getAddon("org.flightgear.addons.Aerotow");
#
# Variables
#
var g_thermalListeners = [];
#
# Initialize thermal module
#
var init = func () {
append(g_thermalListeners, setlistener(addon.node.getPath() ~ "/addon-devel/add-thermal/distance-m", func () {
setprop(
addon.node.getPath() ~ "/addon-devel/add-thermal/distance-nm",
getprop(addon.node.getPath() ~ "/addon-devel/add-thermal/distance-m") * globals.M2NM
);
}));
append(g_thermalListeners, setlistener(addon.node.getPath() ~ "/addon-devel/add-thermal/strength-fps", func () {
setprop(
addon.node.getPath() ~ "/addon-devel/add-thermal/strength-mps",
getprop(addon.node.getPath() ~ "/addon-devel/add-thermal/strength-fps") * globals.FPS2KT * globals.KT2MPS
);
}));
append(g_thermalListeners, setlistener(addon.node.getPath() ~ "/addon-devel/add-thermal/diameter-ft", func () {
setprop(
addon.node.getPath() ~ "/addon-devel/add-thermal/diameter-m",
getprop(addon.node.getPath() ~ "/addon-devel/add-thermal/diameter-ft") * globals.FT2M
);
}));
append(g_thermalListeners, setlistener(addon.node.getPath() ~ "/addon-devel/add-thermal/height-msl", func () {
setprop(
addon.node.getPath() ~ "/addon-devel/add-thermal/height-msl-m",
getprop(addon.node.getPath() ~ "/addon-devel/add-thermal/height-msl") * globals.FT2M
);
}));
}
#
# Uninitialize thermal module
#
var uninit = func () {
foreach (var listener; g_thermalListeners) {
removelistener(listener);
}
}
#
# Add thermal 300 m before glider position.
#
# Return 1 on successful, otherwise 0.
#
var add = func () {
var heading = getprop("/orientation/heading-deg") or 0;
var distance = getprop(addon.node.getPath() ~ "/addon-devel/add-thermal/distance-m") or 300;
var position = geo.aircraft_position();
position.apply_course_distance(heading, distance);
# Get random layer from 1 do 4
var layer = int(rand() * 4) + 1;
var args = props.Node.new({
"type": "thermal",
"model": "Models/Weather/altocumulus_layer" ~ layer ~ ".xml",
"latitude": position.lat(),
"longitude": position.lon(),
"strength-fps": getprop(addon.node.getPath() ~ "/addon-devel/add-thermal/strength-fps") or 16.0,
"diameter-ft": getprop(addon.node.getPath() ~ "/addon-devel/add-thermal/diameter-ft") or 4000,
"height-msl": getprop(addon.node.getPath() ~ "/addon-devel/add-thermal/height-msl") or 9000,
"search-order": "DATA_ONLY"
});
if (fgcommand("add-aiobject", args)) {
messages.displayOk("The thermal has been added");
return 1;
}
messages.displayError("Adding thermal failed");
return 0;
}