#endif
+#include <plib/sg.h>
+#include <plib/ssg.h>
+
+#include <simgear/structure/subsystem_mgr.hxx>
#include <simgear/math/point3d.hxx>
// Define a structure containing global scenery parameters
-struct fgSCENERY {
+class FGScenery : public SGSubsystem {
// center of current scenery chunk
Point3D center;
// the distance (radius) from the center of the earth to the
// current scenery elevation point
double cur_radius;
-};
-
-extern struct fgSCENERY scenery;
-
-
-// Initialize the Scenery Management system
-int fgSceneryInit( void );
-
-// Tell the scenery manager where we are so it can load the proper
-// data, and build the proper structures.
-void fgSceneryUpdate(double lon, double lat, double elev);
-
-
-// Render out the current scene
-void fgSceneryRender( void );
+ // unit normal at point used to determine current elevation
+ sgdVec3 cur_normal;
+
+ // SSG scene graph
+ ssgRoot *scene_graph;
+ ssgBranch *terrain_branch;
+ ssgRoot *gnd_lights_root;
+ ssgRoot *vasi_lights_root;
+ ssgRoot *rwy_lights_root;
+ ssgRoot *taxi_lights_root;
+ ssgBranch *models_branch;
+ ssgBranch *aircraft_branch;
+
+public:
+
+ FGScenery();
+ ~FGScenery();
+
+ // Implementation of SGSubsystem.
+ void init ();
+ void bind ();
+ void unbind ();
+ void update (double dt);
+
+ inline double get_cur_elev() const { return cur_elev; }
+ inline void set_cur_elev( double e ) { cur_elev = e; }
+
+ inline Point3D get_center() const { return center; }
+ inline void set_center( Point3D p ) { center = p; }
+
+ inline Point3D get_next_center() const { return next_center; }
+ inline void set_next_center( Point3D p ) { next_center = p; }
+
+ inline void set_cur_radius( double r ) { cur_radius = r; }
+ inline void set_cur_normal( sgdVec3 n ) { sgdCopyVec3( cur_normal, n ); }
+
+ inline ssgRoot *get_scene_graph () const { return scene_graph; }
+ inline void set_scene_graph (ssgRoot * s) { scene_graph = s; }
+
+ inline ssgBranch *get_terrain_branch () const { return terrain_branch; }
+ inline void set_terrain_branch (ssgBranch * t) { terrain_branch = t; }
+
+ inline ssgRoot *get_gnd_lights_root () const {
+ return gnd_lights_root;
+ }
+ inline void set_gnd_lights_root (ssgRoot *r) {
+ gnd_lights_root = r;
+ }
+
+ inline ssgRoot *get_vasi_lights_root () const {
+ return vasi_lights_root;
+ }
+ inline void set_vasi_lights_root (ssgRoot *r) {
+ vasi_lights_root = r;
+ }
+
+ inline ssgRoot *get_rwy_lights_root () const {
+ return rwy_lights_root;
+ }
+ inline void set_rwy_lights_root (ssgRoot *r) {
+ rwy_lights_root = r;
+ }
+
+ inline ssgRoot *get_taxi_lights_root () const {
+ return taxi_lights_root;
+ }
+ inline void set_taxi_lights_root (ssgRoot *r) {
+ taxi_lights_root = r;
+ }
+
+ inline ssgBranch *get_models_branch () const {
+ return models_branch;
+ }
+ inline void set_models_branch (ssgBranch *t) {
+ models_branch = t;
+ }
+
+ inline ssgBranch *get_aircraft_branch () const {
+ return aircraft_branch;
+ }
+ inline void set_aircraft_branch (ssgBranch *t) {
+ aircraft_branch = t;
+ }
+};
#endif // _SCENERY_HXX