1 // ATCMgr.hxx - definition of FGATCMgr
2 // - a global management class for FlightGear generated ATC
4 // Written by David Luff, started February 2002.
6 // Copyright (C) 2002 David C Luff - david.luff@nottingham.ac.uk
8 // This program is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU General Public License as
10 // published by the Free Software Foundation; either version 2 of the
11 // License, or (at your option) any later version.
13 // This program is distributed in the hope that it will be useful, but
14 // WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 // General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the Free Software
20 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #ifndef _FG_ATCMGR_HXX
23 #define _FG_ATCMGR_HXX
25 #include <Main/fgfs.hxx>
26 #include <Main/fg_props.hxx>
34 #include "approach.hxx"
35 //#include "ground.hxx"
42 const int max_app = 20;
44 // Structure for holding details of the ATC frequencies at a given airport, and whether they are in the active list or not.
45 // These can then be cross referenced with the [atis][tower][etc]lists which are stored by frequency.
46 // Non-available services are denoted by a frequency of zero.
47 // Eventually the whole ATC data structures may have to be rethought if we turn out to be massive memory hogs!!
58 //float approach_freq;
59 //bool approach_active;
60 //float departure_freq;
61 //bool departure_active;
63 // Flags to ensure the stations don't get wrongly deactivated
64 bool set_by_AI; // true when the AI manager has activated this station
65 bool set_by_comm_search; // true when the comm_search has activated this station
68 class FGATCMgr : public FGSubsystem
73 // A map of airport ID vs frequencies and ATC provision
74 typedef map < string, AirportATC* > airport_atc_map_type;
75 typedef airport_atc_map_type::iterator airport_atc_map_iterator;
76 typedef airport_atc_map_type::const_iterator airport_atc_map_const_iterator;
78 airport_atc_map_type airport_atc_map;
79 airport_atc_map_iterator airport_atc_map_itr;
81 // A list of pointers to all currently active ATC classes
82 typedef list <FGATC*> atc_list_type;
83 typedef atc_list_type::iterator atc_list_iterator;
84 typedef atc_list_type::const_iterator atc_list_const_iterator;
86 // Everything put in this list should be created dynamically
87 // on the heap and ***DELETED WHEN REMOVED!!!!!***
88 atc_list_type atc_list;
89 atc_list_iterator atc_list_itr;
90 // Any member function of FGATCMgr is permitted to leave this iterator pointing
91 // at any point in or at the end of the list.
92 // Hence any new access must explicitly first check for atc_list.end() before dereferencing.
94 // Position of the Users Aircraft
99 // Type of ATC control that the user's radios are tuned to.
106 // Pointers to users current communication frequencies.
107 SGPropertyNode *comm1_node;
108 SGPropertyNode *comm2_node;
110 // Pointers to current users position
111 SGPropertyNode *lon_node;
112 SGPropertyNode *lat_node;
113 SGPropertyNode *elev_node;
115 // Position of the ATC that the comm radios are tuned to in order to decide whether transmission
117 double comm1_x, comm1_y, comm1_z, comm1_elev;
118 double comm1_range, comm1_effective_range;
120 bool comm1_atis_valid;
121 bool comm1_tower_valid;
122 bool comm1_approach_valid;
123 const char* comm1_ident;
124 const char* comm1_atis_ident;
125 const char* comm1_tower_ident;
126 const char* comm1_approach_ident;
127 const char* last_comm1_ident;
128 const char* last_comm1_atis_ident;
129 const char* last_comm1_tower_ident;
130 const char* last_comm1_approach_ident;
131 const char* approach_ident;
133 double comm2_x, comm2_y, comm2_z, comm2_elev;
134 double comm2_range, comm2_effective_range;
136 const char* comm2_ident;
137 const char* last_comm2_ident;
142 FGApproach approaches[max_app];
144 //FGDeparture departure;
157 void update(double dt);
159 // Returns true if the airport is found in the map
160 bool GetAirportATCDetails(string icao, AirportATC* a);
162 // Return a pointer to a given sort of ATC at a given airport and activate if necessary
163 FGATC* GetATCPointer(string icao, atc_type type);
167 // Remove a class from the atc_list and delete it from memory
168 void RemoveFromList(const char* id, atc_type tp);
170 // Return a pointer to a class in the list (external interface to this is through GetATCPointer)
171 FGATC* FGATCMgr::FindInList(const char* id, atc_type tp);
173 // Search a specified freq for matching stations
178 #endif // _FG_ATCMGR_HXX