91 lines
3.1 KiB
Text
91 lines
3.1 KiB
Text
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Last updated $Date$
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This directory contains the main routine for FlightGear, together with
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various utility classes and functions that do not fit in anywhere
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else, and subsystems that have not yet graduated to having their own
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directories (because the maintainers are lazy, not because the
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subsystems are not important).
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fg_commands.cxx
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fg_commands.hxx
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This module defines a global function to register FlightGear's
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built-in commands.
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fg_init.cxx
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fg_init.hxx
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This module defines global functions to initialize for the various
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subsystems. Code is gradually being moved out of here and into the
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subsystems' own init() methods, so this module will eventually
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disappear.
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fg_io.cxx
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fg_io.hxx
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This module defines high-level global I/O functions for FlightGear.
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I don't know how widely these are used, yet.
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fg_props.cxx
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fg_props.hxx
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This module provides a FlightGear layer over the SimGear property
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manager. This module performs two roles: it provides global
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convenience functions for accessing the FlightGear property tree,
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and it ties some properties to its own static functions. The second
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role has mostly disappeared, since subsystems now tie their own
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properties in their bind() methods, and eventually this module will
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contain only the convenience functions.
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fgfs.cxx
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fgfs.hxx
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This module defines FGSubsystem, the abstract base class (or
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interface) for subsystems in FlightGear. Most of the important
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subsystems already extend this class, and eventually, all subsystems
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will.
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globals.cxx
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globals.hxx
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This module defines FGGlobals, a class that holds pointers to
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subsystems and other variables used by a FlightGear session. Many
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global variables have migrated into here, and eventually, all will,
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so that the program can maintain state for more than one session at
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once.
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logger.cxx
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logger.hxx
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This module defines the FGLogger subsystem, which allows the user to
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log any property value to any number of CSV files, somewhat like an
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overenthusiastic flight data recorder.
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main.cxx
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This file defines the main() function for FlightGear as well as the
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top-level loop. Currently, there is a still lot of code in here
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that belongs in the individual subsystems' init() and update()
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methods; eventually, this will be a short, simple file defining the
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top-level flow logic of the program.
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options.cxx
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options.hxx
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This module defines global functions for parsing command-line
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options and transferring them to the property tree.
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runfgfs.bat
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runfgfs.bat.in
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This is a batch file for launching FlightGear under MSWindows.
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runfgfs.bat is autogenerated from runfgfs.bat.in, so any changes
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should be made to the latter file.
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splash.cxx
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splash.hxx
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This module defines global functions for displaying and updating the
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splash screen.
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viewer.cxx
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viewer.hxx
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This module defines the FGViewer subsystem, which calculates the
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viewpoint in world coordinates and provides transformation matrices
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for the scenery code. FGViewer has methods that allow the program
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to rotate or move the current view direction.
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viewmgr.cxx
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viewmgr.hxx
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This module defines the FGViewMgr subsystem, which manages all of
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the different views available in FlightGear.
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