#include <simgear/scene/tgdb/apt_signs.hxx>
#include <simgear/scene/tgdb/obj.hxx>
#include <simgear/scene/model/placementtrans.hxx>
+#include <simgear/scene/util/SGUpdateVisitor.hxx>
#include <Aircraft/aircraft.hxx>
#include <Include/general.hxx>
SG_USING_STD(string);
+// FIXME: investigate what huge update flood is clamped away here ...
+class FGTileUpdateCallback : public osg::NodeCallback {
+public:
+ virtual void operator()(osg::Node* node, osg::NodeVisitor* nv)
+ {
+ assert(dynamic_cast<SGUpdateVisitor*>(nv));
+ SGUpdateVisitor* updateVisitor = static_cast<SGUpdateVisitor*>(nv);
+
+ osg::Vec3 center = node->getBound().center();
+ double distance = dist(updateVisitor->getGlobalEyePos(),
+ SGVec3d(center[0], center[1], center[2]));
+ if (updateVisitor->getVisibility() + node->getBound().radius() < distance)
+ return;
+
+ traverse(node, nv);
+ }
+};
// Constructor
FGTileEntry::FGTileEntry ( const SGBucket& b )
- : center( Point3D( 0.0 ) ),
- tile_bucket( b ),
- terra_transform( new SGPlacementTransform ),
- vasi_lights_transform( new SGPlacementTransform ),
- rwy_lights_transform( new SGPlacementTransform ),
- taxi_lights_transform( new SGPlacementTransform ),
+ : tile_bucket( b ),
+ terra_transform( new osg::Group ),
terra_range( new osg::LOD ),
- vasi_lights_selector( new osg::Switch ),
- rwy_lights_selector( new osg::Switch ),
- taxi_lights_selector( new osg::Switch ),
loaded(false),
pending_models(0),
is_inner_ring(false),
free_tracker(0)
{
- // update the contents
- // if ( vec3_ptrs.size() || vec2_ptrs.size() || index_ptrs.size() ) {
- // SG_LOG( SG_TERRAIN, SG_ALERT,
- // "Attempting to overwrite existing or"
- // << " not properly freed leaf data." );
- // exit(-1);
- // }
+ terra_transform->setUpdateCallback(new FGTileUpdateCallback);
}
// Destructor
FGTileEntry::~FGTileEntry () {
- // cout << "nodes = " << nodes.size() << endl;;
- // delete[] nodes;
}
-static void WorldCoordinate( osg::Matrix& obj_pos, Point3D center, double lat,
+static void WorldCoordinate( osg::Matrix& obj_pos, double lat,
double lon, double elev, double hdg )
{
double lon_rad = lon * SGD_DEGREES_TO_RADIANS;
Point3D geod( lon_rad, lat_rad, elev );
Point3D world_pos = sgGeodToCart( geod );
- Point3D offset = world_pos - center;
+ Point3D offset = world_pos;
- sgMat4 mat;
+ sgdMat4 mat;
- SGfloat sin_lat = (SGfloat)sin( lat_rad );
- SGfloat cos_lat = (SGfloat)cos( lat_rad );
- SGfloat cos_lon = (SGfloat)cos( lon_rad );
- SGfloat sin_lon = (SGfloat)sin( lon_rad );
- SGfloat sin_hdg = (SGfloat)sin( hdg_rad ) ;
- SGfloat cos_hdg = (SGfloat)cos( hdg_rad ) ;
+ double sin_lat = sin( lat_rad );
+ double cos_lat = cos( lat_rad );
+ double cos_lon = cos( lon_rad );
+ double sin_lon = sin( lon_rad );
+ double sin_hdg = sin( hdg_rad ) ;
+ double cos_hdg = cos( hdg_rad ) ;
- mat[0][0] = cos_hdg * (SGfloat)sin_lat * (SGfloat)cos_lon - sin_hdg * (SGfloat)sin_lon;
- mat[0][1] = cos_hdg * (SGfloat)sin_lat * (SGfloat)sin_lon + sin_hdg * (SGfloat)cos_lon;
- mat[0][2] = -cos_hdg * (SGfloat)cos_lat;
+ mat[0][0] = cos_hdg * sin_lat * cos_lon - sin_hdg * sin_lon;
+ mat[0][1] = cos_hdg * sin_lat * sin_lon + sin_hdg * cos_lon;
+ mat[0][2] = -cos_hdg * cos_lat;
mat[0][3] = SG_ZERO;
- mat[1][0] = -sin_hdg * (SGfloat)sin_lat * (SGfloat)cos_lon - cos_hdg * (SGfloat)sin_lon;
- mat[1][1] = -sin_hdg * (SGfloat)sin_lat * (SGfloat)sin_lon + cos_hdg * (SGfloat)cos_lon;
- mat[1][2] = sin_hdg * (SGfloat)cos_lat;
+ mat[1][0] = -sin_hdg * sin_lat * cos_lon - cos_hdg * sin_lon;
+ mat[1][1] = -sin_hdg * sin_lat * sin_lon + cos_hdg * cos_lon;
+ mat[1][2] = sin_hdg * cos_lat;
mat[1][3] = SG_ZERO;
- mat[2][0] = (SGfloat)cos_lat * (SGfloat)cos_lon;
- mat[2][1] = (SGfloat)cos_lat * (SGfloat)sin_lon;
- mat[2][2] = (SGfloat)sin_lat;
+ mat[2][0] = cos_lat * cos_lon;
+ mat[2][1] = cos_lat * sin_lon;
+ mat[2][2] = sin_lat;
mat[2][3] = SG_ZERO;
mat[3][0] = offset.x();
}
-// recurse an ssg tree and call removeChild() on every node from the
-// bottom up. Leaves the original branch in existance, but empty so
-// it can be removed by the calling routine.
-// static void my_remove_branch( osg::Group * branch ) {
-// branch->removeChildren(0, branch->getNumChildren());
-// }
-
-
// Free "n" leaf elements of an ssg tree. returns the number of
// elements freed. An empty branch node is considered a leaf. This
// is intended to spread the load of freeing a complex tile out over
// several frames.
static int fgPartialFreeSSGtree( osg::Group *b, int n ) {
- int num_deletes = 0;
+ int num_deletes = b->getNumChildren();
b->removeChildren(0, b->getNumChildren());
-// if ( n > 0 ) {
-// // we still have some delete budget left
-// // if ( b->getNumChilds() > 100 ) {
-// // cout << "large family = " << b->getNumChilds() << endl;
-// // }
-// // deleting in reverse would help if my plib patch get's
-// // applied, but for now it will make things slower.
-// // for ( int i = b->getNumChilds() - 1; i >= 0 ; --i ) {
-// for ( int i = 0; i < b->getNumChildren(); ++i ) {
-// ssgEntity *kid = b->getChild(i);
-// if ( kid->isAKindOf( ssgTypeBranch() ) && kid->getRef() <= 1 ) {
-// int result = fgPartialFreeSSGtree( (osg::Group *)kid, n );
-// num_deletes += result;
-// n -= result;
-// if ( n < 0 ) {
-// break;
-// }
-// }
-// // remove the kid if (a) it is now empty -or- (b) it's ref
-// // count is > zero at which point we don't care if it's
-// // empty, we don't want to touch it's contents.
-// if ( kid->getNumChildren() == 0 || kid->getRef() > 1 ) {
-// b->removeChild( kid );
-// num_deletes++;
-// n--;
-// }
-// }
-// }
-
return num_deletes;
}
terra_transform = 0;
free_tracker |= TERRA_NODE;
}
- } else if ( !(free_tracker & GROUND_LIGHTS) && gnd_lights_transform.get() ) {
- // delete the terrain lighting branch (this should already have been
- // disconnected from the scene graph)
- SG_LOG( SG_TERRAIN, SG_DEBUG, "FREEING gnd_lights_transform" );
- if ( fgPartialFreeSSGtree( gnd_lights_transform.get(), delete_size ) == 0 ) {
- gnd_lights_transform = 0;
- free_tracker |= GROUND_LIGHTS;
- }
- } else if ( !(free_tracker & VASI_LIGHTS) && vasi_lights_selector.get() ) {
- // delete the runway lighting branch (this should already have
- // been disconnected from the scene graph)
- SG_LOG( SG_TERRAIN, SG_DEBUG, "FREEING vasi_lights_selector" );
- if ( fgPartialFreeSSGtree( vasi_lights_selector.get(), delete_size ) == 0 ) {
- vasi_lights_selector = 0;
- free_tracker |= VASI_LIGHTS;
- }
- } else if ( !(free_tracker & RWY_LIGHTS) && rwy_lights_selector.get() ) {
- // delete the runway lighting branch (this should already have
- // been disconnected from the scene graph)
- SG_LOG( SG_TERRAIN, SG_DEBUG, "FREEING rwy_lights_selector" );
- if ( fgPartialFreeSSGtree( rwy_lights_selector.get(), delete_size ) == 0 ) {
- rwy_lights_selector = 0;
- free_tracker |= RWY_LIGHTS;
- }
- } else if ( !(free_tracker & TAXI_LIGHTS) && taxi_lights_selector.get() ) {
- // delete the taxi lighting branch (this should already have been
- // disconnected from the scene graph)
- SG_LOG( SG_TERRAIN, SG_DEBUG, "FREEING taxi_lights_selector" );
- if ( fgPartialFreeSSGtree( taxi_lights_selector.get(), delete_size ) == 0 ) {
- taxi_lights_selector = 0;
- free_tracker |= TAXI_LIGHTS;
- }
} else if ( !(free_tracker & LIGHTMAPS) ) {
free_tracker |= LIGHTMAPS;
} else {
// Update the ssg transform node for this tile so it can be
// properly drawn relative to our (0,0,0) point
-void FGTileEntry::prep_ssg_node( const Point3D& p, sgVec3 up, float vis) {
+void FGTileEntry::prep_ssg_node(float vis) {
if ( !loaded ) return;
// visibility can change from frame to frame so we update the
// range selector cutoff's each time.
+ float bounding_radius = terra_range->getChild(0)->getBound().radius();
terra_range->setRange( 0, 0, vis + bounding_radius );
-
- if ( gnd_lights_range.get() ) {
- gnd_lights_range->setRange( 0, 0, vis * 1.5 + bounding_radius );
- }
-
- SGVec3d lt_trans(center.x(), center.y(), center.z());
-
- FGLight *l = (FGLight *)(globals->get_subsystem("lighting"));
- if ( gnd_lights_transform.get() ) {
- // we need to lift the lights above the terrain to avoid
- // z-buffer fighting. We do this based on our altitude and
- // the distance this tile is away from scenery center.
-
- // we expect 'up' to be a unit vector coming in, but since we
- // modify the value of lift_vec, we need to create a local
- // copy.
- SGVec3f lift_vec(up);
-
- double agl;
- agl = globals->get_current_view()->getAltitudeASL_ft()*SG_FEET_TO_METER
- - globals->get_current_view()->getSGLocation()->get_cur_elev_m();
-
- // Compute the distance of the scenery center from the view position.
- double dist = center.distance3D(p);
-
- if ( general.get_glDepthBits() > 16 ) {
- lift_vec *= 10.0 + agl / 100.0 + dist / 10000;
- } else {
- lift_vec *= 10.0 + agl / 20.0 + dist / 5000;
- }
-
- gnd_lights_transform->setTransform( lt_trans + toVec3d(lift_vec) );
-
- // select which set of lights based on sun angle
- float sun_angle = l->get_sun_angle() * SGD_RADIANS_TO_DEGREES;
- if ( sun_angle > 95 ) {
- gnd_lights_brightness->setSingleChildOn(2);
- } else if ( sun_angle > 92 ) {
- gnd_lights_brightness->setSingleChildOn(1);
- } else if ( sun_angle > 89 ) {
- gnd_lights_brightness->setSingleChildOn(0);
- } else {
- gnd_lights_brightness->setAllChildrenOff();
- }
- }
-
- if ( rwy_lights_transform.get() ) {
- // turn runway lights on/off based on sun angle and visibility
- float sun_angle = l->get_sun_angle() * SGD_RADIANS_TO_DEGREES;
- if ( sun_angle > 85 ||
- (fgGetDouble("/environment/visibility-m") < 5000.0) ) {
- rwy_lights_selector->setAllChildrenOn();
- } else {
- rwy_lights_selector->setAllChildrenOff();
- }
- }
-
- if ( taxi_lights_transform.get() ) {
- // turn taxi lights on/off based on sun angle and visibility
- float sun_angle = l->get_sun_angle() * SGD_RADIANS_TO_DEGREES;
- if ( sun_angle > 85 ||
- (fgGetDouble("/environment/visibility-m") < 5000.0) ) {
- taxi_lights_selector->setAllChildrenOn();
- } else {
- taxi_lights_selector->setAllChildrenOff();
- }
- }
}
-
-osg::Node*
-FGTileEntry::gen_lights( SGMaterialLib *matlib, osg::Vec3Array *lights,
- int inc, float bright )
-{
- // generate a repeatable random seed
- sg_srandom( (unsigned)(*lights)[0][0] );
-
- // Allocate ssg structure
- osg::Vec3Array *vl = new osg::Vec3Array;
- osg::Vec4Array *cl = new osg::Vec4Array;
-
- for ( unsigned i = 0; i < lights->size(); ++i ) {
- // this loop is slightly less efficient than it otherwise
- // could be, but we want a red light to always be red, and a
- // yellow light to always be yellow, etc. so we are trying to
- // preserve the random sequence.
- float zombie = sg_random();
- if ( i % inc == 0 ) {
- vl->push_back( (*lights)[i] );
-
- // factor = sg_random() ^ 2, range = 0 .. 1 concentrated towards 0
- float factor = sg_random();
- factor *= factor;
-
- osg::Vec4 color;
- if ( zombie > 0.5 ) {
- // 50% chance of yellowish
- color = osg::Vec4( 0.9, 0.9, 0.3, bright - factor * 0.2 );
- } else if ( zombie > 0.15 ) {
- // 35% chance of whitish
- color = osg::Vec4( 0.9, 0.9, 0.8, bright - factor * 0.2 );
- } else if ( zombie > 0.05 ) {
- // 10% chance of orangish
- color = osg::Vec4( 0.9, 0.6, 0.2, bright - factor * 0.2 );
- } else {
- // 5% chance of redish
- color = osg::Vec4( 0.9, 0.2, 0.2, bright - factor * 0.2 );
- }
- cl->push_back( color );
- }
- }
-
- // create ssg leaf
- osg::Geometry* geometry = new osg::Geometry;
- geometry->setVertexArray(vl);
- geometry->setColorArray(cl);
- geometry->setColorBinding(osg::Geometry::BIND_PER_VERTEX);
- geometry->addPrimitiveSet(new osg::DrawArrays(GL_POINTS, 0, vl->size()));
- osg::Geode* geode = new osg::Geode;
- geode->addDrawable(geometry);
-
- // assign state
- SGMaterial *mat = matlib->find( "GROUND_LIGHTS" );
- geode->setStateSet(mat->get_state());
-
- return geode;
-}
-
-
bool FGTileEntry::obj_load( const string& path,
- osg::Group *geometry,
- osg::Group *vasi_lights,
- osg::Group *rwy_lights,
- osg::Group *taxi_lights,
- osg::Vec3Array *ground_lights, bool is_base )
+ osg::Group *geometry, bool is_base )
{
- Point3D c; // returned center point
- double br; // returned bounding radius
-
bool use_random_objects =
fgGetBool("/sim/rendering/random-objects", true);
// try loading binary format
- if ( SGBinObjLoad( path, is_base,
- &c, &br, globals->get_matlib(), use_random_objects,
- geometry, vasi_lights, rwy_lights, taxi_lights,
- ground_lights ) )
- {
- if ( is_base ) {
- center = c;
- bounding_radius = br;
- }
- }
+ osg::Node* node = SGLoadBTG(path, globals->get_matlib(), is_base, use_random_objects);
+ if (node)
+ geometry->addChild(node);
- return (geometry != NULL);
+ return node;
}
string token;
in >> token;
- if ( token[0] == '#' ) {
+ if ( token.empty() || token[0] == '#' ) {
in >> ::skipeol;
continue;
}
// obj_load() will generate ground lighting for us ...
- osg::ref_ptr<osg::Vec3Array> light_pts = new osg::Vec3Array;
osg::Group* new_tile = new osg::Group;
-
if (found_tile_base) {
// load tile if found ...
- osg::ref_ptr<osg::Group> geometry = new osg::Group;
- if ( obj_load( object_base.str(), geometry.get(),
- NULL, NULL, NULL, light_pts.get(), true ) ) {
- new_tile -> addChild( geometry.get() );
- }
+ obj_load( object_base.str(), new_tile, true );
} else {
// ... or generate an ocean tile on the fly
SG_LOG(SG_TERRAIN, SG_INFO, " Generating ocean tile");
- osg::ref_ptr<osg::Group> geometry = new osg::Group;
- Point3D c;
- double br;
- if ( SGGenTile( path_list[0], tile_bucket, &c, &br,
- globals->get_matlib(), geometry.get() ) ) {
- center = c;
- bounding_radius = br;
- new_tile -> addChild( geometry.get() );
- } else {
+ if ( !SGGenTile( path_list[0], tile_bucket,
+ globals->get_matlib(), new_tile ) ) {
SG_LOG( SG_TERRAIN, SG_ALERT,
"Warning: failed to generate ocean tile!" );
}
if (obj->type == OBJECT) {
SGPath custom_path = obj->path;
custom_path.append( obj->name );
-
- osg::ref_ptr<osg::Group> geometry = new osg::Group;
- osg::ref_ptr<osg::Group> vasi_lights = new osg::Group;
- osg::ref_ptr<osg::Group> rwy_lights = new osg::Group;
- osg::ref_ptr<osg::Group> taxi_lights = new osg::Group;
-
- if ( obj_load( custom_path.str(),
- geometry.get(), vasi_lights.get(), rwy_lights.get(),
- taxi_lights.get(), NULL, false ) ) {
-
- if ( geometry -> getNumChildren() > 0 ) {
- new_tile -> addChild( geometry.get() );
- }
-
- if ( vasi_lights -> getNumChildren() > 0 )
- vasi_lights_transform -> addChild( vasi_lights.get() );
-
- if ( rwy_lights -> getNumChildren() > 0 )
- rwy_lights_transform -> addChild( rwy_lights.get() );
-
- if ( taxi_lights -> getNumChildren() > 0 )
- taxi_lights_transform -> addChild( taxi_lights.get() );
- }
-
+ obj_load( custom_path.str(), new_tile, false );
} else if (obj->type == OBJECT_SHARED || obj->type == OBJECT_STATIC) {
// object loading is deferred to main render thread,
custom_path.append( obj->name );
osg::Matrix obj_pos;
- WorldCoordinate( obj_pos, center, obj->lat, obj->lon, obj->elev, obj->hdg );
+ WorldCoordinate( obj_pos, obj->lat, obj->lon, obj->elev, obj->hdg );
osg::MatrixTransform *obj_trans = new osg::MatrixTransform;
obj_trans->setMatrix( obj_pos );
custom_path.append( obj->name );
osg::Matrix obj_pos;
- WorldCoordinate( obj_pos, center, obj->lat, obj->lon, obj->elev, obj->hdg );
+ WorldCoordinate( obj_pos, obj->lat, obj->lon, obj->elev, obj->hdg );
osg::MatrixTransform *obj_trans = new osg::MatrixTransform;
obj_trans->setMatrix( obj_pos );
delete obj;
}
-
- if ( new_tile != NULL ) {
- terra_range->addChild( new_tile );
- }
-
+ terra_range->addChild( new_tile );
terra_transform->addChild( terra_range.get() );
-
- // calculate initial tile offset
- SGVec3d sgdTrans(center.x(), center.y(), center.z());
- terra_transform->setTransform( sgdTrans );
-
- // Add ground lights to scene graph if any exist
- gnd_lights_transform = NULL;
- gnd_lights_range = NULL;
- if ( light_pts->size() ) {
- SG_LOG( SG_TERRAIN, SG_DEBUG, "generating lights" );
- gnd_lights_transform = new SGPlacementTransform;
- gnd_lights_range = new osg::LOD;
- gnd_lights_brightness = new osg::Switch;
- osg::Node *lights;
-
- lights = gen_lights( globals->get_matlib(), light_pts.get(), 4, 0.7 );
- gnd_lights_brightness->addChild( lights );
-
- lights = gen_lights( globals->get_matlib(), light_pts.get(), 2, 0.85 );
- gnd_lights_brightness->addChild( lights );
-
- lights = gen_lights( globals->get_matlib(), light_pts.get(), 1, 1.0 );
- gnd_lights_brightness->addChild( lights );
-
- gnd_lights_range->addChild( gnd_lights_brightness.get() );
- gnd_lights_transform->addChild( gnd_lights_range.get() );
- gnd_lights_transform->setTransform( sgdTrans );
- }
-
- // Update vasi lights transform
- if ( vasi_lights_transform->getNumChildren() > 0 ) {
- vasi_lights_transform->setTransform( sgdTrans );
- }
-
- // Update runway lights transform
- if ( rwy_lights_transform->getNumChildren() > 0 ) {
- rwy_lights_transform->setTransform( sgdTrans );
- }
-
- // Update taxi lights transform
- if ( taxi_lights_transform->getNumChildren() > 0 ) {
- taxi_lights_transform->setTransform( sgdTrans );
- }
}
void
-FGTileEntry::add_ssg_nodes( osg::Group *terrain_branch,
- osg::Group *gnd_lights_branch,
- osg::Group *vasi_lights_branch,
- osg::Group *rwy_lights_branch,
- osg::Group *taxi_lights_branch )
+FGTileEntry::add_ssg_nodes( osg::Group *terrain_branch )
{
// bump up the ref count so we can remove this later without
// having ssg try to free the memory.
SG_LOG( SG_TERRAIN, SG_DEBUG, "num parents now = "
<< terra_transform->getNumParents() );
- if ( gnd_lights_transform.get() != NULL ) {
- // bump up the ref count so we can remove this later without
- // having ssg try to free the memory.
- gnd_lights_branch->addChild( gnd_lights_transform.get() );
- }
-
- if ( vasi_lights_transform.get() != NULL ) {
- // bump up the ref count so we can remove this later without
- // having ssg try to free the memory.
- vasi_lights_selector->addChild( vasi_lights_transform.get() );
- vasi_lights_branch->addChild( vasi_lights_selector.get() );
- }
-
- if ( rwy_lights_transform.get() != NULL ) {
- // bump up the ref count so we can remove this later without
- // having ssg try to free the memory.
- rwy_lights_selector->addChild( rwy_lights_transform.get() );
- rwy_lights_branch->addChild( rwy_lights_selector.get() );
- }
-
- if ( taxi_lights_transform.get() != NULL ) {
- // bump up the ref count so we can remove this later without
- // having ssg try to free the memory.
- taxi_lights_selector->addChild( taxi_lights_transform.get() );
- taxi_lights_branch->addChild( taxi_lights_selector.get() );
- }
-
loaded = true;
}
"Parent count is zero for an ssg tile! Dying" );
exit(-1);
}
-
- // find the ground lighting branch
- if ( gnd_lights_transform.get() ) {
- pcount = gnd_lights_transform->getNumParents();
- if ( pcount > 0 ) {
- // find the first parent (should only be one)
- osg::Group *parent = gnd_lights_transform->getParent( 0 ) ;
- if( parent ) {
- // disconnect the light branch (we previously ref()'d
- // it so it won't get freed now)
- parent->removeChild( gnd_lights_transform.get() );
- } else {
- SG_LOG( SG_TERRAIN, SG_ALERT,
- "parent pointer is NULL! Dying" );
- exit(-1);
- }
- } else {
- SG_LOG( SG_TERRAIN, SG_ALERT,
- "Parent count is zero for an ssg light tile! Dying" );
- exit(-1);
- }
- }
-
- // find the vasi lighting branch
- if ( vasi_lights_transform.get() ) {
- pcount = vasi_lights_transform->getNumParents();
- if ( pcount > 0 ) {
- // find the first parent (should only be one)
- osg::Group *parent = vasi_lights_transform->getParent( 0 ) ;
- if( parent ) {
- // disconnect the light branch (we previously ref()'d
- // it so it won't get freed now)
- parent->removeChild( vasi_lights_transform.get() );
- } else {
- SG_LOG( SG_TERRAIN, SG_ALERT,
- "parent pointer is NULL! Dying" );
- exit(-1);
- }
- } else {
- SG_LOG( SG_TERRAIN, SG_ALERT,
- "Parent count is zero for an ssg light tile! Dying" );
- exit(-1);
- }
- }
-
- // find the runway lighting branch
- if ( rwy_lights_transform.get() ) {
- pcount = rwy_lights_transform->getNumParents();
- if ( pcount > 0 ) {
- // find the first parent (should only be one)
- osg::Group *parent = rwy_lights_transform->getParent( 0 ) ;
- if( parent ) {
- // disconnect the light branch (we previously ref()'d
- // it so it won't get freed now)
- parent->removeChild( rwy_lights_transform.get() );
- } else {
- SG_LOG( SG_TERRAIN, SG_ALERT,
- "parent pointer is NULL! Dying" );
- exit(-1);
- }
- } else {
- SG_LOG( SG_TERRAIN, SG_ALERT,
- "Parent count is zero for an ssg light tile! Dying" );
- exit(-1);
- }
- }
-
- // find the taxi lighting branch
- if ( taxi_lights_transform.get() ) {
- pcount = taxi_lights_transform->getNumParents();
- if ( pcount > 0 ) {
- // find the first parent (should only be one)
- osg::Group *parent = taxi_lights_transform->getParent( 0 ) ;
- if( parent ) {
- // disconnect the light branch (we previously ref()'d
- // it so it won't get freed now)
- parent->removeChild( taxi_lights_transform.get() );
- } else {
- SG_LOG( SG_TERRAIN, SG_ALERT,
- "parent pointer is NULL! Dying" );
- exit(-1);
- }
- } else {
- SG_LOG( SG_TERRAIN, SG_ALERT,
- "Parent count is zero for an ssg light tile! Dying" );
- exit(-1);
- }
- }
}
projects / flightgear.git / blobdiff