// scenery.hxx -- data structures and routines for managing scenery. // // Written by Curtis Olson, started May 1997. // // Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com // // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License as // published by the Free Software Foundation; either version 2 of the // License, or (at your option) any later version. // // This program is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. // // $Id$ #ifndef _SCENERY_HXX #define _SCENERY_HXX #ifndef __cplusplus # error This library requires C++ #endif #include #include #include #include // Define a structure containing global scenery parameters class FGScenery : public SGSubsystem { // center of current scenery chunk Point3D center; // next center of current scenery chunk Point3D next_center; // angle of sun relative to current local horizontal double sun_angle; // elevation of terrain at our current lat/lon (based on the // actual drawn polygons) double cur_elev; // the distance (radius) from the center of the earth to the // current scenery elevation point double cur_radius; // 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