- Refactor Canvas from FlightGear and fix lazy rendering with
recursive canvases.
- New classes PropertyBasedElement and PropertyBasedManager for
creating subsystems controlled by the property tree.
- New method parseColor to parse CSS 3 conformant color strings
(only basic color schemes supported)
- New Rect class representing a rectangle.
- Subsystem which manages a list of elements which
are controlled through the property tree.
- Fix a ShivaVG compiler warning.
- Add some helper functions to trigger property removed/add
events for a whole property tree.
Order of files in file system order is random (maybe different for every
user). Determinsm is good, i.e. when loading Nasal scripts in a fixed,
known sequence, or config files, where the later may overrule settings of
the earlier.
Flatten the leaf nodes in the paged bounding volume tree
as good as possible. The implementation still assumes a
whole world database which actually holds for our usual
scenery.
This kind of work is done two times for different
flavours of bounding volume generation. Factor
out and use this in BVHPageNodeOSG.cxx and
BoundingVolumeBuildVisitor.hxx.
It's common to use SGTime to calculate the the Julian Date, without providing time-zone information. Don't warn in these cases, since the behaviour is fine.
Allow subsystem init to be incremental, i.e requiring repeated init calls until a 'done' code is returned. Use this to support incremental init in groups and the manager. (It would also be possible to support it in an individual subsystem).
Note that if you use the existing init() calls, behaviour is unchanged.
At least one Linux distribution packager of FG has complained that we're bundling expat in our binaries. To keep them happy, add the option (-DSYSTEM_EXPAT=1 at cmake time) to use the system expat instead.
For the moment (and simplicity), this requires building SIMGEAR_SHARED (which is fired to on by selecting the option).
