1 // globals.hxx -- Global state that needs to be shared among the sim modules
3 // Written by Curtis Olson, started July 2000.
5 // Copyright (C) 2000 Curtis L. Olson - http://www.flightgear.org/~curt
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License as
9 // published by the Free Software Foundation; either version 2 of the
10 // License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful, but
13 // WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 // General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
27 #include <simgear/compiler.h>
28 #include <simgear/props/props.hxx>
29 #include <simgear/structure/subsystem_mgr.hxx>
30 #include <simgear/misc/sg_path.hxx>
35 typedef std::vector<std::string> string_list;
37 // Forward declarations
39 // This file is included, directly or indirectly, almost everywhere in
40 // FlightGear, so if any of its dependencies changes, most of the sim
41 // has to be recompiled. Using these forward declarations helps us to
42 // avoid including a lot of header files (and thus, a lot of
43 // dependencies). Since Most of the methods simply set or return
44 // pointers, we don't need to know anything about the class details
59 class FGAircraftModel;
61 class FGFlightPlanDispatcher;
63 class FGAirwayNetwork;
77 * Bucket for subsystem pointers representing the sim's state.
85 // properties, destroy last
86 SGPropertyNode_ptr props;
87 SGPropertyNode_ptr initial_state;
90 SGPropertyNode_ptr locale;
93 SGSubsystemMgr *subsystem_mgr;
94 SGEventMgr *event_mgr;
97 // Number of milliseconds elapsed since the start of the program.
100 // Root of FlightGear data tree
103 // Roots of FlightGear scenery tree
104 string_list fg_scenery;
108 // An offset in seconds from the true time. Allows us to adjust
109 // the effective time of day.
112 // How much to change the value of warp each iteration. Allows us
113 // to make time progress faster than normal (or even run in reverse.)
122 // Magnetic Variation
125 // Material properties library
126 SGMaterialLib *matlib;
128 // Global autopilot "route"
129 FGRouteMgr *route_mgr;
132 FGPanel *current_panel;
137 // control input state
138 FGControls *controls;
143 SGCommandMgr *commands;
145 //FGFlightPlanDispatcher *fpDispatcher;
147 FGAircraftModel *acmodel;
149 FGModelMgr * model_mgr;
151 // list of serial port-like configurations
152 string_list *channel_options_list;
154 // A list of initial waypoints that are read from the command line
155 // and or flight-plan file during initialization
156 string_list *initial_waypoints;
158 // FlightGear scenery manager
164 FGFontCache *fontcache;
171 FGNavList *tacanlist;
172 FGNavList *carrierlist;
173 FGTACANList *channellist;
174 FGAirwayNetwork *airwaynet;
176 /// roots of Aircraft trees
177 string_list fg_aircraft_dirs;
181 virtual ~FGGlobals();
183 virtual FGRenderer *get_renderer () const;
185 virtual SGSubsystemMgr *get_subsystem_mgr () const;
187 virtual SGSubsystem *get_subsystem (const char * name);
189 virtual void add_subsystem (const char * name,
190 SGSubsystem * subsystem,
191 SGSubsystemMgr::GroupType
192 type = SGSubsystemMgr::GENERAL,
193 double min_time_sec = 0);
195 virtual SGEventMgr *get_event_mgr () const;
197 virtual SGSoundMgr *get_soundmgr () const;
199 inline double get_sim_time_sec () const { return sim_time_sec; }
200 inline void inc_sim_time_sec (double dt) { sim_time_sec += dt; }
201 inline void set_sim_time_sec (double t) { sim_time_sec = t; }
203 inline const std::string &get_fg_root () const { return fg_root; }
204 void set_fg_root (const std::string &root);
206 inline const string_list &get_fg_scenery () const { return fg_scenery; }
207 void set_fg_scenery (const std::string &scenery);
209 const string_list& get_aircraft_paths() const { return fg_aircraft_dirs; }
210 void append_aircraft_path(const std::string& path);
211 void append_aircraft_paths(const std::string& path);
214 * Given a path to an aircraft-related resource file, resolve it
215 * against the appropriate root. This means looking at the location
216 * defined by /sim/aircraft-dir, and then aircraft_path in turn,
217 * finishing with fg_root/Aircraft.
219 * if the path could not be resolved, an empty path is returned.
221 SGPath resolve_aircraft_path(const std::string& branch) const;
224 * Same as above, but test for non 'Aircraft/' branch paths, and
225 * always resolve them against fg_root.
227 SGPath resolve_maybe_aircraft_path(const std::string& branch) const;
229 inline const std::string &get_browser () const { return browser; }
230 void set_browser (const std::string &b) { browser = b; }
232 inline long int get_warp() const { return warp; }
233 inline void set_warp( long int w ) { warp = w; }
234 inline void inc_warp( long int w ) { warp += w; }
236 inline long int get_warp_delta() const { return warp_delta; }
237 inline void set_warp_delta( long int d ) { warp_delta = d; }
238 inline void inc_warp_delta( long int d ) { warp_delta += d; }
240 inline SGTime *get_time_params() const { return time_params; }
241 inline void set_time_params( SGTime *t ) { time_params = t; }
243 inline SGEphemeris *get_ephem() const { return ephem; }
244 inline void set_ephem( SGEphemeris *e ) { ephem = e; }
246 inline SGMagVar *get_mag() const { return mag; }
247 inline void set_mag( SGMagVar *m ) { mag = m; }
249 inline SGMaterialLib *get_matlib() const { return matlib; }
250 inline void set_matlib( SGMaterialLib *m ) { matlib = m; }
252 inline FGATCMgr *get_ATC_mgr() const { return ATC_mgr; }
253 inline void set_ATC_mgr( FGATCMgr *a ) {ATC_mgr = a; }
255 inline FGPanel *get_current_panel() const { return current_panel; }
256 inline void set_current_panel( FGPanel *cp ) { current_panel = cp; }
258 inline FGControls *get_controls() const { return controls; }
259 inline void set_controls( FGControls *c ) { controls = c; }
261 inline FGViewMgr *get_viewmgr() const { return viewmgr; }
262 inline void set_viewmgr( FGViewMgr *vm ) { viewmgr = vm; }
263 FGViewer *get_current_view() const;
265 inline SGPropertyNode *get_props () { return props; }
266 inline void set_props( SGPropertyNode *n ) { props = n; }
268 inline SGPropertyNode *get_locale () { return locale; }
269 inline void set_locale( SGPropertyNode *n ) { locale = n; }
271 inline SGCommandMgr *get_commands () { return commands; }
273 inline FGAircraftModel *get_aircraft_model () { return acmodel; }
275 inline void set_aircraft_model (FGAircraftModel * model)
280 inline FGModelMgr *get_model_mgr () { return model_mgr; }
282 inline void set_model_mgr (FGModelMgr * mgr)
287 inline string_list *get_channel_options_list () {
288 return channel_options_list;
290 inline void set_channel_options_list( string_list *l ) {
291 channel_options_list = l;
294 inline string_list *get_initial_waypoints () {
295 return initial_waypoints;
298 inline void set_initial_waypoints (string_list *list) {
299 initial_waypoints = list;
302 inline FGScenery * get_scenery () const { return scenery; }
303 inline void set_scenery ( FGScenery *s ) { scenery = s; }
305 inline FGTileMgr * get_tile_mgr () const { return tile_mgr; }
306 inline void set_tile_mgr ( FGTileMgr *t ) { tile_mgr = t; }
308 inline FGFontCache *get_fontcache() const { return fontcache; }
310 inline FGNavList *get_navlist() const { return navlist; }
311 inline void set_navlist( FGNavList *n ) { navlist = n; }
312 inline FGNavList *get_loclist() const { return loclist; }
313 inline void set_loclist( FGNavList *n ) { loclist = n; }
314 inline FGNavList *get_gslist() const { return gslist; }
315 inline void set_gslist( FGNavList *n ) { gslist = n; }
316 inline FGNavList *get_dmelist() const { return dmelist; }
317 inline void set_dmelist( FGNavList *n ) { dmelist = n; }
318 inline FGNavList *get_tacanlist() const { return tacanlist; }
319 inline void set_tacanlist( FGNavList *n ) { tacanlist = n; }
320 inline FGNavList *get_carrierlist() const { return carrierlist; }
321 inline void set_carrierlist( FGNavList *n ) { carrierlist = n; }
322 inline FGTACANList *get_channellist() const { return channellist; }
323 inline void set_channellist( FGTACANList *c ) { channellist = c; }
325 inline FGAirwayNetwork *get_airwaynet() const { return airwaynet; }
326 inline void set_airwaynet( FGAirwayNetwork *a ) { airwaynet = a; }
330 * Save the current state as the initial state.
332 void saveInitialState ();
336 * Restore the saved initial state, if any.
338 void restoreInitialState ();
343 extern FGGlobals *globals;
346 #endif // _GLOBALS_HXX