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Howto:Start core development: Difference between revisions
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= Project architecture = | = Project architecture = | ||
FlightGear itself consists of a number of different projects and dependencies (libraries), please refer to gitorious for details. Most of FlightGear's supporting code is increasingly getting moved to the "SimGear" project. | FlightGear itself consists of a number of different projects and dependencies (libraries), please refer to gitorious for details. Most of FlightGear's supporting code is increasingly getting moved to the "SimGear" project. | ||
Basically, FlightGear depends on SimGear, while SimGear depends on some 3rd party libraries such as OpenSceneGraph, plib, OpenAL and others. | |||
Once you have satisfied all dependencies and built them in the right order, you can start FlightGear. | |||
Note however that FlightGear also has a run time dependency: its so called "base package", i.e. the data package that contains all resources such as scenery, GUI files, aircraft, sounds and so on. We commonly refer to this as "$FG_ROOT". | |||
The FG source tree is commonly referred to as $FG_SRC, while the SimGear source tree is often referred to as $SG_SRC. | |||
== FlightGear == | == FlightGear == | ||
In many parts, the FlightGear code base is still somewhat archaic and not very modern, so you won't find too many occurrences of really advanced C++ concepts, in many places you'll just find simple "C with classes" uses, some STL and inheritance. | Don't worry if your C++ experience should be dated: In many parts, the FlightGear code base is still somewhat archaic and not very modern, so you won't find too many occurrences of really advanced C++ concepts, in many places you'll just find simple "C with classes" uses, some STL and inheritance. | ||
But complex C++ features (such as advanced templates or meta-programming are not too common actually). | But complex C++ features (such as advanced templates or meta-programming are not too common actually). | ||