1 // route_mgr.hxx - manage a route (i.e. a collection of waypoints)
3 // Written by Curtis Olson, started January 2004.
5 // Copyright (C) 2004 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.
24 #ifndef _ROUTE_MGR_HXX
25 #define _ROUTE_MGR_HXX 1
27 #include <simgear/props/props.hxx>
28 #include <simgear/route/waypoint.hxx>
29 #include <simgear/structure/subsystem_mgr.hxx>
36 * Top level route manager class
40 class FGRouteMgr : public SGSubsystem
46 time_t _touchdownTime;
49 SGPropertyNode_ptr lon;
50 SGPropertyNode_ptr lat;
51 SGPropertyNode_ptr alt;
52 SGPropertyNode_ptr magvar;
55 SGPropertyNode_ptr departure; ///< departure airport information
56 SGPropertyNode_ptr destination; ///< destination airport information
57 SGPropertyNode_ptr alternate; ///< alternate airport information
58 SGPropertyNode_ptr cruise; ///< cruise information
60 SGPropertyNode_ptr totalDistance;
61 SGPropertyNode_ptr ete;
62 SGPropertyNode_ptr elapsedFlightTime;
64 SGPropertyNode_ptr active;
65 SGPropertyNode_ptr airborne;
67 SGPropertyNode_ptr wp0;
68 SGPropertyNode_ptr wp1;
69 SGPropertyNode_ptr wpn;
72 SGPropertyNode_ptr _pathNode;
73 SGPropertyNode_ptr _currentWpt;
77 * Signal property to notify people that the route was edited
79 SGPropertyNode_ptr _edited;
82 * Signal property to notify when the last waypoint is reached
84 SGPropertyNode_ptr _finished;
86 void setETAPropertyFromDistance(SGPropertyNode_ptr aProp, double aDistance);
88 class InputListener : public SGPropertyChangeListener {
90 InputListener(FGRouteMgr *m) : mgr(m) {}
91 virtual void valueChanged (SGPropertyNode * prop);
96 SGPropertyNode_ptr input;
97 SGPropertyNode_ptr weightOnWheels;
99 InputListener *listener;
100 SGPropertyNode_ptr mirror;
103 * Create a SGWayPoint from a string in the following format:
104 * - simple identifier
105 * - decimal-lon,decimal-lat
106 * - airport-id/runway-id
107 * - navaid/radial-deg/offset-nm
109 SGWayPoint* make_waypoint(const string& target);
112 void update_mirror();
114 void currentWaypointChanged();
117 * Parse a route/wp node (from a saved, property-lsit formatted route)
119 void parseRouteWaypoint(SGPropertyNode* aWP);
122 * Check if we've reached the final waypoint.
123 * Returns true if we have.
125 bool checkFinished();
135 void update (double dt);
139 void new_waypoint( const string& tgt_alt, int n = -1 );
140 void add_waypoint( const SGWayPoint& wp, int n = -1 );
141 SGWayPoint pop_waypoint( int i = 0 );
143 SGWayPoint get_waypoint( int i ) const;
146 bool isRouteActive() const;
148 int currentWaypoint() const;
151 * Find a waypoint in the route, by position, and return its index, or
152 * -1 if no matching waypoint was found in the route.
154 int findWaypoint(const SGGeod& aPos) const;
157 * Activate a built route. This checks for various mandatory pieces of
158 * data, such as departure and destination airports, and creates waypoints
159 * for them on the route structure.
161 * returns true if the route was activated successfully, or false if the
162 * route could not be activated for some reason
167 * Step to the next waypoint on the active route
174 void jumpToIndex(int index);
181 #endif // _ROUTE_MGR_HXX