#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)
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;
scene_graph->addChild( aircraft_branch.get() );
// 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() );
}
}
bool
-FGScenery::get_elevation_m(const SGGeod& geod,
- double& alt, const SGMaterial** material)
+FGScenery::get_cart_elevation_m(const SGVec3d& pos, double max_altoff,
+ double& alt, const SGMaterial** material)
{
- SGVec3d pos = SGVec3d::fromGeod(geod);
- return get_cart_elevation_m(pos, 0, alt, material);
+ SGGeod geod = SGGeod::fromCart(pos);
+ geod.setElevationM(geod.getElevationM() + max_altoff);
+ return get_elevation_m(geod, alt, material);
}
bool
-FGScenery::get_cart_elevation_m(const SGVec3d& pos, double max_altoff,
- double& alt, const SGMaterial** material)
+FGScenery::get_elevation_m(const SGGeod& geod, double& alt,
+ const SGMaterial** material)
{
- if ( norm1(pos) < 1 )
- return false;
+ SGVec3d start = SGVec3d::fromGeod(geod);
- SGVec3d start = pos + max_altoff*normalize(pos);
- SGVec3d end(0, 0, 0);
+ 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);
return hits;
}
+
+bool FGScenery::scenery_available(double lat, double lon, double range_m)
+{
+ 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();
+}