#include <osgUtil/IntersectVisitor>
+#include <simgear/constants.h>
#include <simgear/debug/logstream.hxx>
#include <simgear/scene/tgdb/userdata.hxx>
#include <simgear/math/sg_geodesy.hxx>
#include <simgear/scene/material/matlib.hxx>
#include <simgear/scene/util/SGNodeMasks.hxx>
#include <simgear/scene/util/SGSceneUserData.hxx>
+#include <simgear/scene/model/CheckSceneryVisitor.hxx>
#include <Main/fg_props.hxx>
+#include "tilemgr.hxx"
#include "scenery.hxx"
+using namespace flightgear;
+
class FGGroundPickCallback : public SGPickCallback {
public:
virtual bool buttonPressed(int button, const Info& info)
};
// Scenery Management system
-FGScenery::FGScenery() :
- center(0, 0, 0)
+FGScenery::FGScenery()
{
SG_LOG( SG_TERRAIN, SG_INFO, "Initializing scenery subsystem" );
}
-
-// Initialize the Scenery Management system
FGScenery::~FGScenery() {
}
+// Initialize the Scenery Management system
void FGScenery::init() {
// Scene graph root
scene_graph = new osg::Group;
aircraft_branch->setName( "Aircraft" );
scene_graph->addChild( aircraft_branch.get() );
- // Lighting
- gnd_lights_root = new osg::Group;
- gnd_lights_root->setName( "Ground Lighting Root" );
-
- vasi_lights_root = new osg::Group;
- vasi_lights_root->setName( "VASI/PAPI Lighting Root" );
-
- rwy_lights_root = new osg::Group;
- rwy_lights_root->setName( "Runway Lighting Root" );
-
- taxi_lights_root = new osg::Group;
- taxi_lights_root->setName( "Taxi Lighting Root" );
-
// Initials values needed by the draw-time object loader
- sgUserDataInit( globals->get_model_lib(), globals->get_fg_root(),
- globals->get_props(), globals->get_sim_time_sec() );
+ sgUserDataInit( globals->get_props() );
}
void FGScenery::unbind() {
}
-void FGScenery::set_center( const SGVec3d& p ) {
- if (center == p)
- return;
- center = p;
- placement_list_type::iterator it = _placement_list.begin();
- while (it != _placement_list.end()) {
- (*it)->setSceneryCenter(center);
- ++it;
- }
-}
-
-void FGScenery::register_placement_transform(SGPlacementTransform *trans) {
- _placement_list.push_back(trans);
- trans->setSceneryCenter(center);
-}
-
-void FGScenery::unregister_placement_transform(SGPlacementTransform *trans) {
- placement_list_type::iterator it = _placement_list.begin();
- while (it != _placement_list.end()) {
- if ((*it) == trans) {
- it = _placement_list.erase(it);
- } else
- ++it;
- }
-}
-
bool
FGScenery::get_elevation_m(double lat, double lon, double max_alt,
- double& alt, const SGMaterial** material,
- bool exact)
+ double& alt, const SGMaterial** material)
{
- SGGeod geod = SGGeod::fromDegM(lon, lat, max_alt);
- SGVec3d pos = SGVec3d::fromGeod(geod);
- return get_cart_elevation_m(pos, 0, alt, material, exact);
+ return get_elevation_m(SGGeod::fromDegM(lon, lat, max_alt), alt, material);
}
bool
FGScenery::get_cart_elevation_m(const SGVec3d& pos, double max_altoff,
- double& alt, const SGMaterial** material,
- bool exact)
+ double& alt, const SGMaterial** material)
{
- if ( norm1(pos) < 1 )
- return false;
-
- SGVec3d saved_center = center;
- bool replaced_center = false;
- if (exact) {
- if (30*30 < distSqr(pos, center)) {
- set_center( pos );
- replaced_center = true;
- }
- }
+ SGGeod geod = SGGeod::fromCart(pos);
+ geod.setElevationM(geod.getElevationM() + max_altoff);
+ return get_elevation_m(geod, alt, material);
+}
+bool
+FGScenery::get_elevation_m(const SGGeod& geod, double& alt,
+ const SGMaterial** material)
+{
+ SGVec3d start = SGVec3d::fromGeod(geod);
- SGVec3d start = pos + max_altoff*normalize(pos) - center;
- SGVec3d end = - center;
+ SGGeod geodEnd = geod;
+ geodEnd.setElevationM(SGMiscd::min(geod.getElevationM() - 10, -10000));
+ SGVec3d end = SGVec3d::fromGeod(geodEnd);
osgUtil::IntersectVisitor intersectVisitor;
intersectVisitor.setTraversalMask(SG_NODEMASK_TERRAIN_BIT);
= intersectVisitor.getHitList(lineSegment.get())[i];
SGVec3d point;
point.osg() = hit.getWorldIntersectPoint();
- point += center;
SGGeod geod = SGGeod::fromCart(point);
double elevation = geod.getElevationM();
if (alt < elevation) {
alt = elevation;
- if (material)
- *material = globals->get_matlib()->findMaterial(hit.getGeode());
+ if (material) {
+ const osg::StateSet* stateSet = hit.getDrawable()->getStateSet();
+ *material = globals->get_matlib()->findMaterial(stateSet);
+ }
}
}
}
- if (replaced_center)
- set_center( saved_center );
-
return hits;
}
-static const osgUtil::Hit*
-getNearestHit(const osgUtil::IntersectVisitor::HitList& hitList,
- const SGVec3d& start)
-{
- const osgUtil::Hit* nearestHit = 0;
- double dist = SGLimitsd::max();
- osgUtil::IntersectVisitor::HitList::const_iterator hit;
- for (hit = hitList.begin(); hit != hitList.end(); ++hit) {
- SGVec3d point(hit->getWorldIntersectPoint());
- double newdist = length(start - point);
- if (newdist < dist) {
- dist = newdist;
- nearestHit = &*hit;
- }
- }
-
- return nearestHit;
-}
-
bool
FGScenery::get_cart_ground_intersection(const SGVec3d& pos, const SGVec3d& dir,
- SGVec3d& nearestHit, bool exact)
+ SGVec3d& nearestHit)
{
// We assume that starting positions in the center of the earth are invalid
if ( norm1(pos) < 1 )
return false;
- // Well that 'exactness' is somehow problematic, but makes at least sure
- // that we don't compute that with a cenery center at the other side of
- // the world ...
- SGVec3d saved_center = center;
- bool replaced_center = false;
- if (exact) {
- if (30*30 < distSqr(pos, center)) {
- set_center( pos );
- replaced_center = true;
- }
- }
-
// Make really sure the direction is normalized, is really cheap compared to
// computation of ground intersection.
- SGVec3d start = pos - center;
+ SGVec3d start = pos;
SGVec3d end = start + 1e5*normalize(dir); // FIXME visibility ???
osgUtil::IntersectVisitor intersectVisitor;
double newdist = length(start - point);
if (newdist < dist) {
dist = newdist;
- nearestHit = point + center;
+ nearestHit = point;
}
}
}
- if (replaced_center)
- set_center( saved_center );
-
return hits;
}
-void
-FGScenery::pick(const SGVec3d& pos, const SGVec3d& dir,
- std::vector<SGSceneryPick>& pickList)
+bool FGScenery::scenery_available(double lat, double lon, double range_m)
{
- pickList.clear();
-
- // Make really sure the direction is normalized, is really cheap compared to
- // computation of ground intersection.
- SGVec3d start = pos - center;
- SGVec3d end = start + 1e5*normalize(dir); // FIXME visibility ???
-
- osgUtil::IntersectVisitor intersectVisitor;
-// osgUtil::PickVisitor intersectVisitor;
-// intersectVisitor.setTraversalMask(SG_NODEMASK_TERRAIN_BIT);
- osg::ref_ptr<osg::LineSegment> lineSegment;
- lineSegment = new osg::LineSegment(start.osg(), end.osg());
- intersectVisitor.addLineSegment(lineSegment.get());
- get_scene_graph()->accept(intersectVisitor);
- if (!intersectVisitor.hits())
- return;
-
- // collect all interaction callbacks on the pick ray.
- // They get stored in the pickCallbacks list where they are sorted back
- // to front and croasest to finest wrt the scenery node they are attached to
- osgUtil::IntersectVisitor::HitList::const_iterator hi;
- for (hi = intersectVisitor.getHitList(lineSegment.get()).begin();
- hi != intersectVisitor.getHitList(lineSegment.get()).end();
- ++hi) {
-
- // ok, go back the nodes and ask for intersection callbacks,
- // execute them in top down order
- const osg::NodePath& np = hi->getNodePath();
- osg::NodePath::const_reverse_iterator npi;
- for (npi = np.rbegin(); npi != np.rend(); ++npi) {
- SGSceneUserData* ud = SGSceneUserData::getSceneUserData(*npi);
- if (!ud)
- continue;
- SGPickCallback* pickCallback = ud->getPickCallback();
- if (!pickCallback)
- continue;
-
- SGSceneryPick sceneryPick;
- sceneryPick.info.wgs84 = center + SGVec3d(hi->getWorldIntersectPoint());
- sceneryPick.info.local = SGVec3d(hi->getLocalIntersectPoint());
- sceneryPick.callback = pickCallback;
- pickList.push_back(sceneryPick);
- }
+ if(globals->get_tile_mgr()->scenery_available(lat, lon, range_m))
+ {
+ double elev;
+ get_elevation_m(lat, lon, SG_MAX_ELEVATION_M, elev, 0);
+ SGVec3f p = SGVec3f::fromGeod(SGGeod::fromDegM(lon,lat,elev));
+ simgear::CheckSceneryVisitor csnv(getPagerSingleton(), p.osg(), range_m);
+ // currently the PagedLODs will not be loaded by the DatabasePager
+ // while the splashscreen is there, so CheckSceneryVisitor force-loads
+ // missing objects in the main thread
+ get_scene_graph()->accept(csnv);
+ if(!csnv.isLoaded())
+ return false;
+ return true;
}
+ return false;
+}
+
+SceneryPager* FGScenery::getPagerSingleton()
+{
+ static osg::ref_ptr<SceneryPager> pager = new SceneryPager;
+ return pager.get();
}
projects / flightgear.git / blobdiff