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Update tile loader options whenever its config properties change

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New listener for tile-loader properties.
This commit is contained in:
ThorstenB 2011-02-13 18:56:46 +01:00
parent 45f526aca5
commit 4a351fdd8b
2 changed files with 42 additions and 3 deletions
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39
src/Scenery/tilemgr.cxx
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@ -52,10 +52,33 @@ using simgear::SGModelLib;
using simgear::TileEntry;
using simgear::TileCache;
// helper: listen to property changes affecting tile loading
class LoaderPropertyWatcher : public SGPropertyChangeListener
{
public:
LoaderPropertyWatcher(FGTileMgr* pTileMgr) :
_pTileMgr(pTileMgr)
{
}
virtual void valueChanged(SGPropertyNode*)
{
_pTileMgr->configChanged();
}
private:
FGTileMgr* _pTileMgr;
};
FGTileMgr::FGTileMgr():
state( Start ),
vis( 16000 )
vis( 16000 ),
_propListener(new LoaderPropertyWatcher(this))
{
_randomObjects = fgGetNode("/sim/rendering/random-objects", true);
_randomVegetation = fgGetNode("/sim/rendering/random-vegetation", true);
}
@ -63,6 +86,8 @@ FGTileMgr::~FGTileMgr() {
// remove all nodes we might have left behind
osg::Group* group = globals->get_scenery()->get_terrain_branch();
group->removeChildren(0, group->getNumChildren());
delete _propListener;
_propListener = NULL;
}
@ -72,8 +97,11 @@ void FGTileMgr::init() {
_options = new SGReaderWriterBTGOptions;
_options->setMatlib(globals->get_matlib());
_options->setUseRandomObjects(fgGetBool("/sim/rendering/random-objects", true));
_options->setUseRandomVegetation(fgGetBool("/sim/rendering/random-vegetation", true));
_randomObjects.get()->addChangeListener(_propListener, false);
_randomVegetation.get()->addChangeListener(_propListener, false);
configChanged();
osgDB::FilePathList &fp = _options->getDatabasePathList();
const string_list &sc = globals->get_fg_scenery();
fp.clear();
@ -101,6 +129,11 @@ void FGTileMgr::reinit()
update(0.0);
}
void FGTileMgr::configChanged()
{
_options->setUseRandomObjects(_randomObjects.get()->getBoolValue());
_options->setUseRandomVegetation(_randomVegetation.get()->getBoolValue());
}
/* schedule a tile for loading, keep request for given amount of time.
* Returns true if tile is already loaded. */

6
src/Scenery/tilemgr.hxx
View file

@ -81,6 +81,9 @@ private:
void update_queues();
SGPropertyNode* _visibilityMeters;
SGPropertyChangeListener* _propListener;
SGPropertyNode_ptr _randomObjects;
SGPropertyNode_ptr _randomVegetation;
public:
FGTileMgr();
@ -93,6 +96,9 @@ public:
virtual void update(double dt);
// update loader configuration options
void configChanged();
int schedule_tiles_at(const SGGeod& location, double rangeM);