#553: decouple OSG callbacks from Nasal subsystem

[flightgear.git] / src / Scenery / tilemgr.cxx

diff --git a/src/Scenery/tilemgr.cxx b/src/Scenery/tilemgr.cxx
index 190e952da891b638891d456d10f7c799854a795d..4ebce444cabacd8aac80694a2264e70b42bb0ac2 100644 (file)
--- a/src/Scenery/tilemgr.cxx
+++ b/src/Scenery/tilemgr.cxx
@@ -29,12 +29,13 @@
 #include <functional>
 
 #include <osgViewer/Viewer>
+#include <osgDB/Registry>
 
 #include <simgear/constants.h>
 #include <simgear/debug/logstream.hxx>
 #include <simgear/structure/exception.hxx>
 #include <simgear/scene/model/modellib.hxx>
-#include <simgear/scene/tgdb/SGReaderWriterBTGOptions.hxx>
+#include <simgear/scene/util/SGReaderWriterOptions.hxx>
 #include <simgear/scene/tsync/terrasync.hxx>
 
 #include <Main/globals.hxx>
@@ -54,34 +55,14 @@ 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 ),
+    last_state( Running ),
     vis( 16000 ),
     _terra_sync(NULL),
-    _propListener(new LoaderPropertyWatcher(this))
+    _visibilityMeters(fgGetNode("/environment/visibility-m", true)),
+    _maxTileRangeM(fgGetNode("/sim/rendering/static-lod/bare", true))
 {
-    _randomObjects = fgGetNode("/sim/rendering/random-objects", true);
-    _randomVegetation = fgGetNode("/sim/rendering/random-vegetation", true);
-    _maxTileRangeM = fgGetNode("/sim/rendering/static-lod/bare", true);
 }
 
 
@@ -90,8 +71,6 @@ 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;
     // clear OSG cache
     osgDB::Registry::instance()->clearObjectCache();
 }
@@ -101,12 +80,9 @@ FGTileMgr::~FGTileMgr()
 void FGTileMgr::init() {
     SG_LOG( SG_TERRAIN, SG_INFO, "Initializing Tile Manager subsystem." );
 
-    _options = new SGReaderWriterBTGOptions;
-    _options->setMatlib(globals->get_matlib());
-
-    _randomObjects.get()->addChangeListener(_propListener, false);
-    _randomVegetation.get()->addChangeListener(_propListener, false);
-    configChanged();
+    _options = new simgear::SGReaderWriterOptions;
+    _options->setMaterialLib(globals->get_matlib());
+    _options->setPropertyNode(globals->get_props());
 
     osgDB::FilePathList &fp = _options->getDatabasePathList();
     const string_list &sc = globals->get_fg_scenery();
@@ -114,12 +90,14 @@ void FGTileMgr::init() {
     std::copy(sc.begin(), sc.end(), back_inserter(fp));
 
     TileEntry::setModelLoadHelper(this);
-    
-    _visibilityMeters = fgGetNode("/environment/visibility-m", true);
 
     reinit();
 }
 
+void FGTileMgr::refresh_tile(void* tileMgr, long tileIndex)
+{
+    ((FGTileMgr*) tileMgr)->tile_cache.refresh_tile(tileIndex);
+}
 
 void FGTileMgr::reinit()
 {
@@ -142,18 +120,12 @@ void FGTileMgr::reinit()
 
     _terra_sync = (simgear::SGTerraSync*) globals->get_subsystem("terrasync");
     if (_terra_sync)
-        _terra_sync->setTileCache(&tile_cache);
+        _terra_sync->setTileRefreshCb(&refresh_tile, this);
 
     // force an update now
     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. */
 bool FGTileMgr::sched_tile( const SGBucket& b, double priority, bool current_view, double duration)
@@ -209,7 +181,7 @@ void FGTileMgr::schedule_needed(const SGBucket& curr_bucket, double vis)
     // cout << "tile width = " << tile_width << "  tile_height = "
     //      << tile_height << endl;
 
-    double tileRangeM = min(vis,_maxTileRangeM->getDoubleValue());
+    double tileRangeM = std::min(vis,_maxTileRangeM->getDoubleValue());
     xrange = (int)(tileRangeM / tile_width) + 1;
     yrange = (int)(tileRangeM / tile_height) + 1;
     if ( xrange < 1 ) { xrange = 1; }
@@ -272,11 +244,13 @@ FGTileMgr::loadTileModel(const string& modelPath, bool cacheModel)
         if(cacheModel)
             result =
                 SGModelLib::loadModel(fullPath.str(), globals->get_props(),
-                                      new FGNasalModelData);
+                                      _disableNasalHooks->getBoolValue() ? NULL : new FGNasalModelDataProxy);
         else
+        {
             result=
-                SGModelLib::loadPagedModel(fullPath.str(), globals->get_props(),
-                                           new FGNasalModelData);
+                SGModelLib::loadDeferredModel(fullPath.str(), globals->get_props(),
+                                              _disableNasalHooks->getBoolValue() ? NULL : new FGNasalModelDataProxy);
+        }
     } catch (const sg_io_exception& exc) {
         string m(exc.getMessage());
         m += " ";
@@ -369,7 +343,6 @@ void FGTileMgr::update_queues()
 // disk.
 void FGTileMgr::update(double)
 {
-    SG_LOG( SG_TERRAIN, SG_DEBUG, "FGTileMgr::update()" );
     SGVec3d viewPos = globals->get_current_view()->get_view_pos();
     double vis = _visibilityMeters->getDoubleValue();
     schedule_tiles_at(SGGeod::fromCart(viewPos), vis);
@@ -401,7 +374,10 @@ int FGTileMgr::schedule_tiles_at(const SGGeod& location, double range_m)
     // do tile load scheduling.
     // Note that we need keep track of both viewer buckets and fdm buckets.
     if ( state == Running ) {
-        SG_LOG( SG_TERRAIN, SG_DEBUG, "State == Running" );
+        if (last_state != state)
+        {
+            SG_LOG( SG_TERRAIN, SG_DEBUG, "State == Running" );
+        }
         if (current_bucket != previous_bucket) {
             // We've moved to a new bucket, we need to schedule any
             // needed tiles for loading.
@@ -414,11 +390,12 @@ int FGTileMgr::schedule_tiles_at(const SGGeod& location, double range_m)
         // save bucket
         previous_bucket = current_bucket;
     } else if ( state == Start || state == Inited ) {
-        SG_LOG( SG_TERRAIN, SG_INFO, "State == Start || Inited" );
+        SG_LOG( SG_TERRAIN, SG_DEBUG, "State == Start || Inited" );
         // do not update bucket yet (position not valid in initial loop)
         state = Running;
         previous_bucket.make_bad();
     }
+    last_state = state;
 
     return 1;
 }