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Howto:Extend Nasal: Difference between revisions
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All Nasal related articles can be found in the [http://wiki.flightgear.org/index.php/Category:Nasal Nasal category]. | All Nasal related articles can be found in the [http://wiki.flightgear.org/index.php/Category:Nasal Nasal category]. | ||
'''Note:''' FlightGear's version of Nasal is maintained in the [http://www.simgear.org SimGear] CVS repository, inside the [http://cvs.flightgear.org/viewvc/source/simgear/nasal/?root=SimGear source/simgear/nasal] folder, the most important header file detailing the internal Nasal API is "[http://simgear.org/doxygen/nasal_8h-source.html nasal.h]", you will want to check out this for the latest changes. | |||
= Intro = | = Intro = | ||
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You will need to add your new extension function to this list of static functions, preferably following the existing naming convention (i.e. "f_" prefix). | You will need to add your new extension function to this list of static functions, preferably following the existing naming convention (i.e. "f_" prefix). | ||
If functions are likely to be fairly low level, and will thus be provided with a more abstract wrapper in Nasal space, these functions should use a prepended undercore ("_"), such as the _fgcommand, _setlistener, _cmdarg and _interpolate functions. | If your extension functions are likely to be fairly low level, and will thus be provided with a more abstract wrapper in Nasal space, these functions should use a prepended undercore ("_"), such as the _fgcommand, _setlistener, _cmdarg and _interpolate functions. | ||
= Extension Function Signature = | = Extension Function Signature = | ||