#include <simgear/scene/util/SGReaderWriterOptions.hxx>
#include <simgear/scene/tsync/terrasync.hxx>
#include <simgear/misc/strutils.hxx>
+#include <simgear/scene/material/matlib.hxx>
#include <Main/globals.hxx>
#include <Main/fg_props.hxx>
using flightgear::SceneryPager;
+class FGTileMgr::TileManagerListener : public SGPropertyChangeListener
+{
+public:
+ TileManagerListener(FGTileMgr* manager) :
+ _manager(manager),
+ _useVBOsProp(fgGetNode("/sim/rendering/use-vbos", true)),
+ _enableCacheProp(fgGetNode("/sim/tile-cache/enable", true)),
+ _pagedLODMaximumProp(fgGetNode("/sim/rendering/max-paged-lod", true))
+ {
+ _useVBOsProp->addChangeListener(this, true);
+
+ _enableCacheProp->addChangeListener(this, true);
+ if (_enableCacheProp->getType() == simgear::props::NONE) {
+ _enableCacheProp->setBoolValue(true);
+ }
+
+ if (_pagedLODMaximumProp->getType() == simgear::props::NONE) {
+ // not set, use OSG default / environment value variable
+ osg::ref_ptr<osgViewer::Viewer> viewer(globals->get_renderer()->getViewer());
+ int current = viewer->getDatabasePager()->getTargetMaximumNumberOfPageLOD();
+ _pagedLODMaximumProp->setIntValue(current);
+ }
+ _pagedLODMaximumProp->addChangeListener(this, true);
+ }
+
+ ~TileManagerListener()
+ {
+ _useVBOsProp->removeChangeListener(this);
+ _enableCacheProp->removeChangeListener(this);
+ _pagedLODMaximumProp->removeChangeListener(this);
+ }
+
+ virtual void valueChanged(SGPropertyNode* prop)
+ {
+ if (prop == _useVBOsProp) {
+ bool useVBOs = prop->getBoolValue();
+ _manager->_options->setPluginStringData("SimGear::USE_VBOS",
+ useVBOs ? "ON" : "OFF");
+ } else if (prop == _enableCacheProp) {
+ _manager->_enableCache = prop->getBoolValue();
+ } else if (prop == _pagedLODMaximumProp) {
+ int v = prop->getIntValue();
+ osg::ref_ptr<osgViewer::Viewer> viewer(globals->get_renderer()->getViewer());
+ viewer->getDatabasePager()->setTargetMaximumNumberOfPageLOD(v);
+ }
+ }
+
+private:
+ FGTileMgr* _manager;
+ SGPropertyNode_ptr _useVBOsProp,
+ _enableCacheProp,
+ _pagedLODMaximumProp;
+};
FGTileMgr::FGTileMgr():
state( Start ),
last_state( Running ),
- longitude(-1000.0),
- latitude(-1000.0),
scheduled_visibility(100.0),
_terra_sync(NULL),
+ _listener(NULL),
_visibilityMeters(fgGetNode("/environment/visibility-m", true)),
_maxTileRangeM(fgGetNode("/sim/rendering/static-lod/bare", true)),
_disableNasalHooks(fgGetNode("/sim/temp/disable-scenery-nasal", true)),
_scenery_loaded(fgGetNode("/sim/sceneryloaded", true)),
_scenery_override(fgGetNode("/sim/sceneryloaded-override", true)),
- _pager(FGScenery::getPagerSingleton())
+ _pager(FGScenery::getPagerSingleton()),
+ _enableCache(true)
{
}
FGTileMgr::~FGTileMgr()
{
+ delete _listener;
+
// remove all nodes we might have left behind
osg::Group* group = globals->get_scenery()->get_terrain_branch();
group->removeChildren(0, group->getNumChildren());
// Initialize the Tile Manager subsystem
-void FGTileMgr::init() {
+void FGTileMgr::init()
+{
+ reinit();
+}
+
+void FGTileMgr::reinit()
+{
SG_LOG( SG_TERRAIN, SG_INFO, "Initializing Tile Manager subsystem." );
+ _terra_sync = static_cast<simgear::SGTerraSync*> (globals->get_subsystem("terrasync"));
+ // drops the previous options reference
_options = new simgear::SGReaderWriterOptions;
- _options->setMaterialLib(globals->get_matlib());
+ _listener = new TileManagerListener(this);
+
+ materialLibChanged();
_options->setPropertyNode(globals->get_props());
-
+
osgDB::FilePathList &fp = _options->getDatabasePathList();
const string_list &sc = globals->get_fg_scenery();
fp.clear();
std::copy(sc.begin(), sc.end(), back_inserter(fp));
_options->setPluginStringData("SimGear::FG_ROOT", globals->get_fg_root());
- if (globals->get_subsystem("terrasync")) {
- _options->setPluginStringData("SimGear::TERRASYNC_ROOT", fgGetString("/sim/terrasync/scenery-dir"));
+ if (_terra_sync) {
+ _options->setPluginStringData("SimGear::TERRASYNC_ROOT", fgGetString("/sim/terrasync/scenery-dir"));
}
if (!_disableNasalHooks->getBoolValue())
- _options->setModelData(new FGNasalModelDataProxy);
-
- reinit();
-}
-
-void FGTileMgr::reinit()
-{
- _terra_sync = static_cast<simgear::SGTerraSync*> (globals->get_subsystem("terrasync"));
-
- // protect against multiple scenery reloads and properly reset flags,
- // otherwise aircraft fall through the ground while reloading scenery
- if (!fgGetBool("/sim/sceneryloaded",true))
+ _options->setModelData(new FGNasalModelDataProxy);
+
+
+ if (state != Start)
+ {
+ // protect against multiple scenery reloads and properly reset flags,
+ // otherwise aircraft fall through the ground while reloading scenery
+ if (_scenery_loaded->getBoolValue() == false) {
+ SG_LOG( SG_TERRAIN, SG_INFO, "/sim/sceneryloaded already false, avoiding duplicate re-init of tile manager" );
return;
- fgSetBool("/sim/sceneryloaded",false);
+ }
+ }
+
+ _scenery_loaded->setBoolValue(false);
fgSetDouble("/sim/startup/splash-alpha", 1.0);
- // Reload the materials definitions
- _options->setMaterialLib(globals->get_matlib());
+ materialLibChanged();
// remove all old scenery nodes from scenegraph and clear cache
osg::Group* group = globals->get_scenery()->get_terrain_branch();
previous_bucket.make_bad();
current_bucket.make_bad();
- longitude = latitude = -1000.0;
scheduled_visibility = 100.0;
// force an update now
update(0.0);
}
+void FGTileMgr::materialLibChanged()
+{
+ _options->setMaterialLib(globals->get_matlib());
+}
+
/* schedule a tile for loading, keep request for given amount of time.
* Returns true if tile is already loaded. */
bool FGTileMgr::sched_tile( const SGBucket& b, double priority, bool current_view, double duration)
{
// create a new entry
t = new TileEntry( b );
+ SG_LOG( SG_TERRAIN, SG_INFO, "sched_tile: new tile entry for:" << b );
+
+
// insert the tile into the cache, update will generate load request
if ( tile_cache.insert_tile( t ) )
{
void FGTileMgr::schedule_needed(const SGBucket& curr_bucket, double vis)
{
// sanity check (unfortunately needed!)
- if ( longitude < -180.0 || longitude > 180.0
- || latitude < -90.0 || latitude > 90.0 )
+ if (!curr_bucket.isValid() )
{
SG_LOG( SG_TERRAIN, SG_ALERT,
- "Attempting to schedule tiles for bogus lon and lat = ("
- << longitude << "," << latitude << ")" );
+ "Attempting to schedule tiles for invalid bucket" );
return;
}
- SG_LOG( SG_TERRAIN, SG_INFO,
- "scheduling needed tiles for " << longitude << " " << latitude << ", curr_bucket:"
- << curr_bucket.gen_base_path() << "/" << curr_bucket.gen_index_str());
-
double tile_width = curr_bucket.get_width_m();
double tile_height = curr_bucket.get_height_m();
+ SG_LOG( SG_TERRAIN, SG_INFO,
+ "scheduling needed tiles for " << curr_bucket
+ << ", tile-width-m:" << tile_width << ", tile-height-m:" << tile_height);
+
+
// cout << "tile width = " << tile_width << " tile_height = "
// << tile_height << endl;
{
for ( y = -yrange; y <= yrange; ++y )
{
- SGBucket b = sgBucketOffset( longitude, latitude, x, y );
+ SGBucket b = curr_bucket.sibling(x, y);
+ if (!b.isValid()) {
+ continue;
+ }
+
float priority = (-1.0) * (x*x+y*y);
sched_tile( b, priority, true, 0.0 );
}
/**
- * Update the various queues maintained by the tilemagr (private
+ * Update the various queues maintained by the tilemgr (private
* internal function, do not call directly.)
*/
void FGTileMgr::update_queues(bool& isDownloadingScenery)
TileEntry *e;
int loading=0;
int sz=0;
-
+
tile_cache.set_current_time( current_time );
tile_cache.reset_traversal();
}
int drop_count = sz - tile_cache.get_max_cache_size();
- if (( drop_count > 0 )&&
- ((loading==0)||(drop_count > 10)))
+ bool dropTiles = false;
+ if (_enableCache) {
+ dropTiles = ( drop_count > 0 ) && ((loading==0)||(drop_count > 10));
+ } else {
+ dropTiles = true;
+ drop_count = sz; // no limit on tiles to drop
+ }
+
+ if (dropTiles)
{
- long drop_index = tile_cache.get_drop_tile();
+ long drop_index = _enableCache ? tile_cache.get_drop_tile() :
+ tile_cache.get_first_expired_tile();
while ( drop_index > -1 )
{
// schedule tile for deletion with osg pager
TileEntry* old = tile_cache.get_tile(drop_index);
+ SG_LOG(SG_TERRAIN, SG_DEBUG, "Dropping:" << old->get_tile_bucket());
+
tile_cache.clear_entry(drop_index);
osg::ref_ptr<osg::Object> subgraph = old->getNode();
// zeros out subgraph ref_ptr, so subgraph is owned by
// the pager and will be deleted in the pager thread.
_pager->queueDeleteRequest(subgraph);
-
- if (--drop_count > 0)
+
+ if (!_enableCache)
+ drop_index = tile_cache.get_first_expired_tile();
+ // limit tiles dropped to drop_count
+ else if (--drop_count > 0)
drop_index = tile_cache.get_drop_tile();
else
- drop_index = -1;
+ drop_index = -1;
}
- }
+ } // of dropping tiles loop
}
// given the current lon/lat (in degrees), fill in the array of local
// (FDM/AI/groundcache/... should use "schedule_scenery" instead)
void FGTileMgr::schedule_tiles_at(const SGGeod& location, double range_m)
{
- longitude = location.getLongitudeDeg();
- latitude = location.getLatitudeDeg();
-
// SG_LOG( SG_TERRAIN, SG_DEBUG, "FGTileMgr::update() for "
// << longitude << " " << latitude );
- current_bucket.set_bucket( location );
+ current_bucket = SGBucket( location );
// schedule more tiles when visibility increased considerably
// TODO Calculate tile size - instead of using fixed value (5000m)
if (current_bucket != previous_bucket) {
// We've moved to a new bucket, we need to schedule any
// needed tiles for loading.
- SG_LOG( SG_TERRAIN, SG_DEBUG, "FGTileMgr::update()" );
+ SG_LOG( SG_TERRAIN, SG_INFO, "FGTileMgr: at " << location << ", scheduling needed for:" << current_bucket
+ << ", visbility=" << range_m);
scheduled_visibility = range_m;
schedule_needed(current_bucket, range_m);
}
*/
bool FGTileMgr::schedule_scenery(const SGGeod& position, double range_m, double duration)
{
- const float priority = 0.0;
- double current_longitude = position.getLongitudeDeg();
- double current_latitude = position.getLatitudeDeg();
- bool available = true;
-
// sanity check (unfortunately needed!)
- if (current_longitude < -180 || current_longitude > 180 ||
- current_latitude < -90 || current_latitude > 90)
+ if (!position.isValid())
return false;
-
+ const float priority = 0.0;
+ bool available = true;
+
SGBucket bucket(position);
available = sched_tile( bucket, priority, false, duration );
- if ((!available)&&(duration==0.0))
+ if ((!available)&&(duration==0.0)) {
+ SG_LOG( SG_TERRAIN, SG_DEBUG, "schedule_scenery: Scheduling tile at bucket:" << bucket << " return false" );
return false;
+ }
SGVec3d cartPos = SGVec3d::fromGeod(position);
// We have already checked for the center tile.
if ( x != 0 || y != 0 )
{
- SGBucket b = sgBucketOffset( current_longitude,
- current_latitude, x, y );
+ SGBucket b = bucket.sibling(x, y );
+ if (!b.isValid()) {
+ continue;
+ }
+
double distance2 = distSqr(cartPos, SGVec3d::fromGeod(b.get_center()));
// Do not ask if it is just the next tile but way out of range.
if (distance2 <= max_dist2)
if (scheduled_visibility < range_m)
range_m = scheduled_visibility;
- return schedule_scenery(SGGeod::fromDeg(longitude, latitude), range_m, 0.0);
+ return schedule_scenery(globals->get_view_position(), range_m, 0.0);
}
bool FGTileMgr::isTileDirSyncing(const std::string& tileFileName) const
projects / flightgear.git / blobdiff