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{{PortalMenu}}
{{Main page/Header
  |title=Welcome to the developer portal
  |introduction=Please visit [http://forum.flightgear.org our forum] if you cannot find what you're looking for.
  |rightbox=
<!-------------------------------------------------------------
                    Portal overview
-------------------------------------------------------------->
  |rightcolumn1= </div>
<span style="font-size:105%; font-weight:bold">[[FlightGear and Git|Development repository status]]</span><br />
<center style="padding-top:.9em;">{{GitStatus}}</center>


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|class="MainPageBG" style="width:100%; border:1px solid #d9e2e2; background:#efefef; vertical-align:top; color:#000;"|
<span style="font-size:105%; font-weight:bold">Getting started</span><br />
{|width="100%" cellpadding="1" cellspacing="5" style="vertical-align:top; background:#efefef;"
<span style="font-style:italic;">
! <h2 style="margin:0; background:#0f7a71; font-size:120%; font-weight:bold; border:1px solid #d9e2e2; text-align:left; color:white; padding:0.2em 0.4em;">The Developer Portal</h2>
[[How the FlightGear project works]] <br/>
|-
[[Howto: Understand the FlightGear development process|The development process]] · [[Release plan]]<br/>
|style="color:#000;"|
[[Building FlightGear]] · [[FlightGear and Git|Git]] · [[FlightGear Build Server|Build server]]<br/>
This portal is for developers contributing to FlightGear. If you want to help with FlightGears development, it's a good idea to subscribe yourself to the [http://lists.sourceforge.net/lists/listinfo/flightgear-devel FlightGear devel] mailing list. The [http://sourceforge.net/mailarchive/forum.php?forum_name=flightgear-devel list archive] is also available and should be searched before posting the same question.
[[Property tree]] · [[File formats]] · [[Tools of the Trade]] · {{tickets|Bug tracker}}</span>


'''Please choose a sub-portal:'''
  |rightcolumn3= </div>
* [[Portal:Developer/3D Modelers|3D Modelers]]
<span style="font-size:105%; font-weight:bold">Feeds</span><br />
* [[Portal:Developer/Aircraft|Aircraft]]
<span style="font-style:italic;">
* [[Portal:Developer/Scenery|Scenery]]
[https://forum.flightgear.org/feed.php Forum posts]<br/>
|}
[http://wiki.flightgear.org/api.php?hidebots=1&days=7&limit=50&action=feedrecentchanges&feedformat=atom Wiki changes]<br/>
|}
[https://sourceforge.net/p/flightgear/codetickets/feed.rss Bugs]<br/>
<!--
{{repo link
| site = sf
| repo = fgdata
| view = rss
| text = FGData RSS feed
}}<br/>
{{repo link
| site = sf
| repo = flightgear
| view = rss
| text = FlightGear RSS feed
}}<br/>
{{repo link
| site = sf
| repo = simgear
| view = rss
| text = SimGear RSS feed
}}
</span>


-------------------------Today's featured article, Did you know------------------------>
  |rightcolumn4= </div>
{|style="border-spacing:8px; margin:0px -8px;"
<span style="font-size:105%; font-weight:bold">General</span><br />
|class="MainPageBG" style="width:50%; border:1px solid #d9e2e2; background:#efefef; vertical-align:top; color:#000;"|
<span style="font-style:italic;">
{|width="100%" cellpadding="2" cellspacing="5" style="vertical-align:top; background:#efefef;"
[[Long Term Goals|Long term goals]] · [[:Category:Popular Community Requests|Popular Ideas]] · [[Virtual FSweekend Hackathon 2021]]<br/>
|-
[[Improving Glider Realism|Improving glider realism]] / [[Improving Helicopter Realism|helicopter realism]]<br/>
! <h2 style="margin:0; background:#0f7a71; font-size:120%; font-weight:bold; border:1px solid #d9e2e2; text-align:left; color:white; padding:0.2em 0.4em;">Events, Efforts/Branches & Work in Progress</h2>
[[Howto:Set up a multiplayer server|Setting up a multiplayer server]] · [[FlightGear Expo Checklist|Expo checklist]]</span>
|-
|style="color:#000;"|  
* [[FlightGear Package Manager]] (Alpha release of Java/[[XML]] package manager (2008))
* [[Walk View‎]]
'''[[Work in progress|More...]]'''


|-
  |rightcolumn5= [[File:Portal aircraft.png|40px]]</div>
! <h2 style="margin:0; background:#0f7a71; font-size:120%; font-weight:bold; border:1px solid #d9e2e2; text-align:left; color:white; padding:0.2em 0.4em;">Latest Organizational Issues</h2>
<span style="font-size:105%; font-weight:bold">[[Portal:Developer/Aircraft|Aircraft]]</span><br />
|-
<span style="font-style:italic;">
|style="color:#000;"|
[[Howto:Troubleshooting Aircraft Performance Issues]]·
* [[FlightGear Build Server]]  
[[Howto: Make an aircraft|Making an aircraft]] · [[Flight Dynamics Model|Flight dynamics model]]<br/>
* [[Project Infrastructure Enhancements]]  
[[Howto: 3D Aircraft Models|3D aircraft models]] · [[Howto: Edit a livery|Liveries]] · [[:Category:Aircraft resources|Resources]]<br/>
* [[Source Code Management Issues]]  
[[Soaring instrumentation sdk]] · [[Creating instruments for FG|Creating instruments]] · [[System dependent instruments|System dependent instruments]]<br/>
* [[Google Summer of Code Candidate Projects]] - application template to allow community members to prepare a possible application to decrease the effort required to actually apply
[[Howto: Design an autopilot|Designing an autopilot]]</span>
* [[Programming Resources]]
* [[Tools of the Trade]]  
|-
! <h2 style="margin:0; background:#0f7a71; font-size:120%; font-weight:bold; border:1px solid #d9e2e2; text-align:left; color:white; padding:0.2em 0.4em;">Improvement Initiatives</h2>
|-
|style="color:#000;"|
* [[Improving Helicopter Realism]]
* [[Improving Glider Realism]]
* [[Usability Improvements]] (list of related feature requests)
'''[[:Category:Code_Cleanup|More...]]'''


|-
  |rightcolumn6= [[File:Nuvola apps kaboodle.png|40px]] </div>
! <h2 style="margin:0; background:#0f7a71; font-size:120%; font-weight:bold; border:1px solid #d9e2e2; text-align:left; color:white; padding:0.2em 0.4em;">Compiling</h2>
<span style="font-size:105%; font-weight:bold">Animations</span><br />
|-
<span style="font-style:italic;">
|style="color:#000;"|
[[Howto: Animate models|Animate models]] · [[Howto: Illuminate faces|Illuminate objects]]<br/>
* [[Howto: Build FlightGear with NetBeans using CMake]]
[[Howto: Animate gear scissors|Gear scissors]] ([[Howto: Animate gear scissors using the tracking animation|with tracking animation]])<br/>
* [[Building FlightGear - Linux]]
[[Howto: Make a clickable panel|Clickable panels]] · [[Knob / slider animation]]</span>
* [[FlightGear Git on Mac OS X|Building FlightGear - Mac OS X]]
* [[Building FlightGear - Windows]]
* [[Building FlightGear Launch Control]]  
* [[OpenSceneGraph]]
* [[FlightGear and Git]]  
* [[FlightGear Package Manager]]
|-
! <h2 style="margin:0; background:#0f7a71; font-size:120%; font-weight:bold; border:1px solid #d9e2e2; text-align:left; color:white; padding:0.2em 0.4em;">Todo</h2>
|-
|style="color:#000;"|
* [[FlightGear Expo Checklist]]
* [[Long Term Goals]]
|-
|}


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|rightcolumn7= [[File:Portal developer.png|40px]] </div>
{| width="100%" cellpadding="2" cellspacing="5" style="vertical-align:top; background:#efefef;"
<span style="font-size:105%; font-weight:bold">Core</span><br />
! <h2 style="margin:0; background:#0f7a71; font-size:120%; font-weight:bold; border:1px solid #d9e2e2; text-align:left; color:white; padding:0.2em 0.4em;">Contributing</h2>
<span style="font-style:italic;">
|-
[[:Category:FlightGear Core developers|List of Core Developers]] · [[:Category:Developer Plans|Developer Plans]] · [[:Category:Core development projects|Projects]] <br/>
|style="color:#000;"|
[[Howto: Start core development|Getting started]] · [[Programming resources]] · [[Nasal/CppBind|Adding scripting bindings]]<br/>
* [[Howto: Understand the FlightGear development process]]
[[Howto:Add new fgcommands to FlightGear|Adding fgcommands]] · [[Howto:Create new subsystems|Creating subsystems]]<br/>
* [[Howto: Start core development]]
[[Built-in Profiler]] · [[Howto:Extend Nasal]] · [[Howto:Using Ada in FlightGear]]<br/>
* [[Howto: Start using git]]
[[Howto:Use Property Tree Objects]] · [[Code cleanup]] <br/>
* [[FlightGear and Git]]
[[FlightGear-Points of Interest]] · [[Request for comments]] <br/>
* [[Release plan]]
[[OpenSceneGraph]] · [[Rendering system improvements]] · [http://build.flightgear.org:8080 Jenkins build page] · {{tickets|Bug tracker}}</span>
* [[Howto: Add new fgcommands to FlightGear]]
* [[Howto: Create new subsystems]]
* [[Howto: Work with the Property Tree API]]
* [[Code Cleanup]]
|-
! <h2 style="margin:0; background:#0f7a71; font-size:120%; font-weight:bold; border:1px solid #d9e2e2; text-align:left; color:white; padding:0.2em 0.4em;">Code Internals</h2>
|-
|style="color:#000;"|
* [[Command Parameters]]  
* [[File Formats]]  
* [[Initialization Sequence]]  
* [[Nasal scripting language]]  
* [[Property Tree]]  
* [[UML Diagrams]]  
* [[YASim]]
|-
! <h2 style="margin:0; background:#0f7a71; font-size:120%; font-weight:bold; border:1px solid #d9e2e2; text-align:left; color:white; padding:0.2em 0.4em;">HowTos</h2>
|-
|style="color:#000;"|


* [[Howto: Set up a multiplayer server|Set up a multiplayer server]]
  |rightcolumn8= [[File:Portal scenery.png|40px]] </div>
'''[[:Category:Howto|More...]]'''
<span style="font-size:105%; font-weight:bold">[[Portal:Developer/Scenery|Scenery]]</span><br />
|-
<span style="font-style:italic;">
! <h2 style="margin:0; background:#0f7a71; font-size:120%; font-weight:bold; border:1px solid #d9e2e2; text-align:left; color:white; padding:0.2em 0.4em;">Nasal scripting</h2>
[[Procedural Texturing]]<br/>
|-
[[Howto: Place 3D objects with the UFO|Placing objects]] · [[Signs|Airport signs]]<br/>
|style="color:#000;"|
[[Howto: Convert objects from X-Plane|Converting from X-Plane/MSFS]]<br/>
* [[Improving Nasal]]
[[Howto: Make an airport|Making an airport]] · [[Using TerraGear|Generating terrain]]<br/>
* [[Nasal FAQ]]  
[[AI Traffic]] · [[Howto:Improve scenery in your area, or area of interest|Quick links: Improve your area - where & how to improve something you see]]</span>
* [[Nasal scripting language]]  
* [[Nasal Snippets]]  
* [[Nasal Modules]]  
* [[Nasal Style Guide]]
* [[Writing simple scripts in "nasal"]]  
* [[Walk View‎]]
* [[Howto: Nasal in scenery object XML files]]
* [[Howto: Extend Nasal]]
|}
|}


__NOTOC__
  |rightcolumn9= [[File:Nasallogo3.png|40px]] </div>
__NOEDITSECTION__
<span style="font-size:105%; font-weight:bold">[[Nasal|Scripting]]</span><br />
<span style="font-style:italic;">
[[Nasal FAQ|Frequently asked questions]] · [[Howto:Write simple scripts in Nasal|Writing simple scripts]] <br />
[[Nasal for C++ programmers]] · [[Nasal Variables|Variables and their types]] <br />
[[Nasal Conditionals|Conditionals]] · [[Nasal Loops|Loops]] · [[Nasal Operators|Operators]] · [[Nasal Console|In-sim console]]</span>


== Developer Documentation ==
  |rightcolumn10= [[File:Animation Icon.png|40px]] </div>
=== RFC Topics ===
<span style="font-size:105%; font-weight:bold">Effects and shaders</span><br />
'''Clarification:''' In its current form, the RFC section is exclusively based on and covered by previous mailing list and forum discussions (as well as various wiki entries), as such it is not supposed to reflect work in progress (RFC="Request For Comments" and not WIP), but is rather to be seen as an attempt to provide comprehensive analyses and summaries of key issues identified in various FlightGear related discussions and feature requests (which are to be linked to in the corresponding resource sections, if that didn't yet take place, it's because of most of these RFCs being indeed WIP).
<span style="font-style:italic;">
[[Shaders]] · [[Project Rembrandt]]<br/>
Thus, RFC entries are not meant to imply anyone "working" on any of these issues, in fact only because an RFC entry is listed here doesn't necessarily mean that work on that particular issue is prioritized or generally endorsed by the FlightGear community.
[[Howto:Shader Programming in FlightGear|Shader programming in FlightGear]]<br/>
These RFC documents are however intended to hopefully help increase and maintain awareness of long-standing issues and challenges affecting FlightGear's evolution and overall development progress in order to solicit community feedback about possible approaches to address these in an efficient and structured fashion.
[[Shader Coding - Best Practices|Best Practices]] · [[GLSL Shader Programming Resources|GLSL resources]]</span>
Anybody is welcome to comment on, help refine and develop new strategies to tackle the challenges presented in these and future RFCs.
 
<!-------------------------------------------------------------
                    Main sections
-------------------------------------------------------------->
  |sections=


* [[A local weather system]] - improving the FlightGear weather system to make it more configurable and feature rich
{{Main page/Leftbox|title=Put a piece of yourself into FlightGear!
* [[An Integrated AI Traffic System]] - improving the integration of the AI traffic system with the rest of FlightGear
  |contents=In FlightGear, "development" is [[Howto:Understand the FlightGear development process|anything that improves the project]]. So, it's not just code-related [[Howto:Start core development|core development]]. There's also [[Portal:Developer/Scenery|scenery development]], [[Portal:Developer/Aircraft|aircraft development]] and all the stuff you can see in the column here on the right. If you want an extended overview, check out the [[Volunteer]] page.
* [[Autopilot Enhancements]] - enhancing the autopilot infrastructure.
* [[Backwards Compatibility Initiative]] - discussing possible ways to improve FlightGear's backwards compatibility.
* [[Canvas Properties]] - discussing ways to add a 2D drawing API to FlightGear that is property driven
* [[CDI instrument]] - collection of information relating to creating a formal CDI instrument in FG
* [[Decoupling the AI Traffic System]] - discussing possible ways to decouple the AI traffic system from FlightGear in order to improve overall performance and synchronize AI state across multiplayer clients
* [[Distributed Interactive Simulation|Multiplayer Enhancements]] - discussing possible steps to enhance FlightGear's Multiplayer support.
* [[Modularizing, parallelizing and distributing FlightGear]] - splitting fgfs into distinct components that are to be run as separate processes using the property tree for IPC purposes in order to leverage SMP platforms and distribution/remoting to help FlightGear become more scalable.
* [[FDM engine feature standardization]] - discussing possible steps to standardize feature support of mainstream FlightGear FDM engines.
* [[FlightGear Glass Cockpits]] - discussing required infrastructure changes to enable non-developers to easily access FlightGear-internals in order to enable them to model complex glass cockpit-type aircraft instrumentation systems.
* [[FlightGear Headless]] - discussing required steps to enable FlightGear to be used as its own regression testing framework
* [[FlightGear Sessions]] - discussing possible steps to finally allow aircraft to be reliably switched at runtime.
* [[OpenGL GUI RESOURCES|Potential alternatives to Plib's PUI library]] - collection of cross-platform GUI libraries that work with OpenGL
* [[Formalizing Aircraft Status]] - discussing suggestions about how to more properly describe aircraft development status.
* [[Keyboard function priority list]] - reorganizing FlightGear keybindings.
* [[Next Generation Scenery]] - revamping the FG scenery engine.
* [[Property Tree Reorganization]] - reorganizing the property tree (i.e. implementing and enforcing existing property/node naming conventions).
* [[Recommended Property Tree Enhancements]] - discussing possible property tree enhancements to help ensure integrity of crucial runtime state.
* [[Recommended Project Policies]] - discussing recommended policies for future contributions to the project.
* [[Redesigning the Replay System]] - addressing the restrictions in the current implementation of the replay system
* [[Remote Properties]] - introduces a small but powerful extension to the property tree in order to allow properties to be maintained in a different (remote) instance of a property tree, that is transparently accessed using a network socket.
* [[Simplifying Aircraft Deployment]] - identifying potential steps to simplify deployment of FlightGear aircraft.


[[Category:wiki.flightgear.org:Portals]]
Actually that's not all you can contribute. There's also documentation, with the [[FlightGear Manual]]... and this wiki of course! To contribute to the wiki, head off to the [[Portal:Wiki|Wiki Portal]]. There's a lot to do there too.


If you want to get in touch with other developers, register an account at the [http://forum.flightgear.org/viewforum.php?f=18 forum], and for core development subscribe to the [[mailing list]] too and consider visiting the {{tickets|Bug tracker}}.
Remember: we might call it volunteering, but what should drive you is [[How the FlightGear project works|the fun of doing something]].
}}
{{Main page/Leftbox|title=For core developers
  |contents=
Visit [[:Category:Core development projects]] to see a list of currently ongoing projects!
See [[:Category:Developer Plans]] to see a list of developer plans for the upcoming release.
See [[request for comments]] for a list of long-standing issues and challenges affecting FlightGear's evolution and overall development progress (admittedly a little outdated meanwhile). Also see the [http://build.flightgear.org:8080 Jenkins build page] and the {{tickets|Bug tracker}}.
}}
{{Main page/Leftbox|title=Coding Help Needed! (Updated 06/2020)
  |contents=
* {{Progressbar|20}} [[Deboosting FlightGear|Replacing boost]]
* {{Pending}} [[World Scenery 3.0 roadmap]]
* {{Pending}} [[Reset & re-init]]
* {{Pending}} [[Canvas Development]] - discusses possible future Canvas additions
}}
}}
[[Category:Portals]]
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[[es:Portal:Desarrollo]]
[[es:Portal:Desarrollo]]
[[fr:Portal:Développeur]]
[[it:Portal:Sviluppo]]
[[pl:Portal:Developer]]
[[sr:Portal:Razvoj]]
[[zh:Portal:Developer]]

Latest revision as of 15:31, 18 March 2024

Welcome to the developer portal

Please visit our forum if you cannot find what you're looking for.
 
 

Put a piece of yourself into FlightGear!

In FlightGear, "development" is anything that improves the project. So, it's not just code-related core development. There's also scenery development, aircraft development and all the stuff you can see in the column here on the right. If you want an extended overview, check out the Volunteer page.

Actually that's not all you can contribute. There's also documentation, with the FlightGear Manual... and this wiki of course! To contribute to the wiki, head off to the Wiki Portal. There's a lot to do there too.

If you want to get in touch with other developers, register an account at the forum, and for core development subscribe to the mailing list too and consider visiting the Bug tracker.

Remember: we might call it volunteering, but what should drive you is the fun of doing something.
 
 

For core developers

Visit Category:Core development projects to see a list of currently ongoing projects! See Category:Developer Plans to see a list of developer plans for the upcoming release.

See request for comments for a list of long-standing issues and challenges affecting FlightGear's evolution and overall development progress (admittedly a little outdated meanwhile). Also see the Jenkins build page and the Bug tracker.
 
 

Coding Help Needed! (Updated 06/2020)

Development repository status

Current release: 2020.3.19 (18 Oct 2023)
Next release: 2020.3.20
See release plan for details.

Getting started
How the FlightGear project works
The development process · Release plan
Building FlightGear · Git · Build server
Property tree · File formats · Tools of the Trade · Bug tracker

Feeds
Forum posts
Wiki changes
Bugs
FGData RSS feed
FlightGear RSS feed
SimGear RSS feed

General
Long term goals · Popular Ideas · Virtual FSweekend Hackathon 2021
Improving glider realism / helicopter realism
Setting up a multiplayer server · Expo checklist

Portal aircraft.png

Aircraft
Howto:Troubleshooting Aircraft Performance Issues· Making an aircraft · Flight dynamics model
3D aircraft models · Liveries · Resources
Soaring instrumentation sdk · Creating instruments · System dependent instruments
Designing an autopilot

Nuvola apps kaboodle.png

Animations
Animate models · Illuminate objects
Gear scissors (with tracking animation)
Clickable panels · Knob / slider animation

Portal developer.png

Core
List of Core Developers · Developer Plans · Projects
Getting started · Programming resources · Adding scripting bindings
Adding fgcommands · Creating subsystems
Built-in Profiler · Howto:Extend Nasal · Howto:Using Ada in FlightGear
Howto:Use Property Tree Objects · Code cleanup
FlightGear-Points of Interest · Request for comments
OpenSceneGraph · Rendering system improvements · Jenkins build page · Bug tracker

Portal scenery.png

Scenery
Procedural Texturing
Placing objects · Airport signs
Converting from X-Plane/MSFS
Making an airport · Generating terrain
AI Traffic · Quick links: Improve your area - where & how to improve something you see

Nasallogo3.png

Scripting
Frequently asked questions · Writing simple scripts
Nasal for C++ programmers · Variables and their types
Conditionals · Loops · Operators · In-sim console