// ATCMgr.hxx - definition of FGATCMgr // - a global management class for FlightGear generated ATC // // Written by David Luff, started February 2002. // // Copyright (C) 2002 David C Luff - david.luff@nottingham.ac.uk // // 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. #ifndef _FG_ATCMGR_HXX #define _FG_ATCMGR_HXX #include
#include
#include #include #include #include #include #include "atis.hxx" #include "tower.hxx" #include "approach.hxx" #include "ground.hxx" #include "ATC.hxx" #include "ATCVoice.hxx" SG_USING_STD(string); SG_USING_STD(list); SG_USING_STD(map); const int max_app = 20; // Structure for holding details of the ATC frequencies at a given airport, and whether they are in the active list or not. // These can then be cross referenced with the [atis][tower][etc]lists which are stored by frequency. // Non-available services are denoted by a frequency of zero. // Eventually the whole ATC data structures may have to be rethought if we turn out to be massive memory hogs!! struct AirportATC { float lon; float lat; float elev; float atis_freq; bool atis_active; float tower_freq; bool tower_active; float ground_freq; bool ground_active; //float approach_freq; //bool approach_active; //float departure_freq; //bool departure_active; // Flags to ensure the stations don't get wrongly deactivated bool set_by_AI; // true when the AI manager has activated this station bool set_by_comm_search; // true when the comm_search has activated this station }; class FGATCMgr : public FGSubsystem { private: // A map of airport ID vs frequencies and ATC provision typedef map < string, AirportATC* > airport_atc_map_type; typedef airport_atc_map_type::iterator airport_atc_map_iterator; typedef airport_atc_map_type::const_iterator airport_atc_map_const_iterator; airport_atc_map_type airport_atc_map; airport_atc_map_iterator airport_atc_map_itr; // A list of pointers to all currently active ATC classes typedef list atc_list_type; typedef atc_list_type::iterator atc_list_iterator; typedef atc_list_type::const_iterator atc_list_const_iterator; // Everything put in this list should be created dynamically // on the heap and ***DELETED WHEN REMOVED!!!!!*** atc_list_type atc_list; atc_list_iterator atc_list_itr; // Any member function of FGATCMgr is permitted to leave this iterator pointing // at any point in or at the end of the list. // Hence any new access must explicitly first check for atc_list.end() before dereferencing. // Position of the Users Aircraft double lon; double lat; double elev; // Type of ATC control that the user's radios are tuned to. atc_type comm1_type; atc_type comm2_type; // Pointer to the ATC station that the user is currently tuned into. FGATC* tuned_atc_ptr; double comm1_freq; double comm2_freq; // Pointers to users current communication frequencies. SGPropertyNode* comm1_node; SGPropertyNode* comm2_node; // Pointers to current users position SGPropertyNode* lon_node; SGPropertyNode* lat_node; SGPropertyNode* elev_node; // Position of the ATC that the comm radios are tuned to in order to decide whether transmission // will be received double comm1_x, comm1_y, comm1_z, comm1_elev; double comm1_range, comm1_effective_range; bool comm1_valid; bool comm1_atis_valid; bool comm1_tower_valid; bool comm1_approach_valid; const char* comm1_ident; const char* comm1_atis_ident; const char* comm1_tower_ident; const char* comm1_approach_ident; const char* last_comm1_ident; const char* last_comm1_atis_ident; const char* last_comm1_tower_ident; const char* last_comm1_approach_ident; const char* approach_ident; bool last_in_range; double comm2_x, comm2_y, comm2_z, comm2_elev; double comm2_range, comm2_effective_range; bool comm2_valid; const char* comm2_ident; const char* last_comm2_ident; FGATIS atis; //FGGround ground; FGTower tower; FGApproach approaches[max_app]; FGApproach approach; //FGDeparture departure; // Rendering related stuff bool voice; // Flag - true if we are using voice bool playing; // Indicates a message in progress #ifdef ENABLE_AUDIO_SUPPORT string refname; // FIXME - A hack - assumes only one sound to track. bool voiceOK; // Flag - true if at least one voice has loaded OK FGATCVoice v1; #endif public: FGATCMgr(); ~FGATCMgr(); void init(); void bind(); void unbind(); void update(double dt); // Returns true if the airport is found in the map bool GetAirportATCDetails(string icao, AirportATC* a); // Return a pointer to a given sort of ATC at a given airport and activate if necessary FGATC* GetATCPointer(string icao, atc_type type); // Render a transmission // Outputs the transmission either on screen or as audio depending on user preference // The repeating flag indicates whether the message should be repeated continuously or played once. void Render(string msg, bool repeating); // Cease rendering a transmission. // At the moment this can handle one transmission active at a time only. void NoRender(); // Display a dialog box with options relevant to the currently tuned ATC service. void doStandardDialog(); atc_type GetCurrentATCType() { return(comm1_type); } FGATC* GetCurrentATCPointer() { return(tuned_atc_ptr); } private: // Remove a class from the atc_list and delete it from memory void RemoveFromList(const char* id, atc_type tp); // Return a pointer to a class in the list (external interface to this is through GetATCPointer) FGATC* FindInList(const char* id, atc_type tp); // Search a specified freq for matching stations void Search(); }; #endif // _FG_ATCMGR_HXX