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>
27 #include <Sound/soundmgr.hxx>
36 #include "approach.hxx"
39 #include "ATCVoice.hxx"
40 #include "transmissionlist.hxx"
46 // Structure for holding details of the ATC frequencies at a given airport, and whether they are in the active list or not.
47 // These can then be cross referenced with the [atis][tower][etc]lists which are stored by frequency.
48 // Non-available services are denoted by a frequency of zero.
49 // Eventually the whole ATC data structures may have to be rethought if we turn out to be massive memory hogs!!
60 //float approach_freq;
61 //bool approach_active;
62 //float departure_freq;
63 //bool departure_active;
65 // Flags to ensure the stations don't get wrongly deactivated
66 bool set_by_AI; // true when the AI manager has activated this station
67 bool set_by_comm_search; // true when the comm_search has activated this station
70 class FGATCMgr : public FGSubsystem
75 // A map of airport ID vs frequencies and ATC provision
76 typedef map < string, AirportATC* > airport_atc_map_type;
77 typedef airport_atc_map_type::iterator airport_atc_map_iterator;
78 typedef airport_atc_map_type::const_iterator airport_atc_map_const_iterator;
80 airport_atc_map_type airport_atc_map;
81 airport_atc_map_iterator airport_atc_map_itr;
83 // A list of pointers to all currently active ATC classes
84 typedef list <FGATC*> atc_list_type;
85 typedef atc_list_type::iterator atc_list_iterator;
86 typedef atc_list_type::const_iterator atc_list_const_iterator;
88 // Everything put in this list should be created dynamically
89 // on the heap and ***DELETED WHEN REMOVED!!!!!***
90 atc_list_type atc_list;
91 atc_list_iterator atc_list_itr;
92 // Any member function of FGATCMgr is permitted to leave this iterator pointing
93 // at any point in or at the end of the list.
94 // Hence any new access must explicitly first check for atc_list.end() before dereferencing.
96 // Position of the Users Aircraft
101 // Type of ATC control that the user's radios are tuned to.
102 atc_type comm_type[2];
104 // Pointer to the ATC station that the user is currently tuned into.
105 FGATC* comm_atc_ptr[2];
109 // Pointers to users current communication frequencies.
110 SGPropertyNode* comm_node[2];
112 // Pointers to current users position
113 SGPropertyNode* lon_node;
114 SGPropertyNode* lat_node;
115 SGPropertyNode* elev_node;
117 // Position of the ATC that the comm radios are tuned to in order to decide
118 // whether transmission will be received.
119 double comm_x[2], comm_y[2], comm_z[2], comm_lon[2], comm_lat[2], comm_elev[2];
121 double comm_range[2], comm_effective_range[2];
123 const char* comm_ident[2];
124 const char* last_comm_ident[2];
126 const char* approach_ident;
133 //FGDeparture departure;
135 // Rendering related stuff
136 bool voice; // Flag - true if we are using voice
137 bool playing; // Indicates a message in progress
138 #ifdef ENABLE_AUDIO_SUPPORT
139 bool voiceOK; // Flag - true if at least one voice has loaded OK
154 void update(double dt);
156 // Returns true if the airport is found in the map
157 bool GetAirportATCDetails(string icao, AirportATC* a);
159 // Return a pointer to a given sort of ATC at a given airport and activate if necessary
160 FGATC* GetATCPointer(string icao, atc_type type);
162 // Render a transmission
163 // Outputs the transmission either on screen or as audio depending on user preference
164 // The refname is a string to identify this sample to the sound manager
165 // The repeating flag indicates whether the message should be repeated continuously or played once.
166 void Render(string msg, string refname, bool repeating);
168 // Cease rendering a transmission.
169 // Requires the sound manager refname if audio, else "".
170 void NoRender(string refname);
172 // Display a dialog box with options relevant to the currently tuned ATC service.
173 void doPopupDialog();
175 atc_type GetComm1ATCType() { return(comm_type[0]); }
176 FGATC* GetComm1ATCPointer() { return(comm_atc_ptr[0]); }
177 atc_type GetComm2ATCType() { return(comm_type[1]); }
178 FGATC* GetComm2ATCPointer() { return(comm_atc_ptr[1]); }
182 // Remove a class from the atc_list and delete it from memory
183 // *if* no other comm channel or AI plane is using it.
184 void CommRemoveFromList(const char* id, atc_type tp, int chan);
186 // Remove a class from the atc_list and delete it from memory
187 // Should be called from the above - not directly!!
188 void RemoveFromList(const char* id, atc_type tp);
190 // Return a pointer to a class in the list given ICAO code and type
191 // (external interface to this is through GetATCPointer)
192 // Return NULL if the given service is not in the list
193 // - *** THE CALLING FUNCTION MUST CHECK FOR THIS ***
194 FGATC* FindInList(const char* id, atc_type tp);
196 // Search the specified channel for stations on the same frequency and in range.
197 void FreqSearch(int channel);
199 // Search ATC stations by area in order that we appear 'on the radar'
204 #endif // _FG_ATCMGR_HXX