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flightgear/src/ATCDCL/ATCmgr.hxx

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// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#ifndef _FG_ATCMGR_HXX
#define _FG_ATCMGR_HXX
#include <simgear/structure/subsystem_mgr.hxx>
#include <string>
#include <list>
#include <map>
#include "ATC.hxx"
class FGATCMgr : public SGSubsystem
{
private:
bool initDone; // Hack - guard against update getting called before init
// A list of pointers to all currently active ATC classes
typedef std::map<std::string,FGATC*> 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
SGGeod _aircraftPos;
// Pointers to current users position
SGPropertyNode_ptr lon_node;
SGPropertyNode_ptr lat_node;
SGPropertyNode_ptr elev_node;
//FGATIS atis;
// Voice related stuff
bool voice; // Flag - true if we are using voice
#ifdef ENABLE_AUDIO_SUPPORT
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);
// Return a pointer to an appropriate voice for a given type of ATC
// creating the voice if necessary - ie. make sure exactly one copy
// of every voice in use exists in memory.
//
// TODO - in the future this will get more complex and dole out country/airport
// specific voices, and possible make sure that the same voice doesn't get used
// at different airports in quick succession if a large enough selection are available.
FGATCVoice* GetVoicePointer(const atc_type& type);
atc_type GetComm1ATCType() { return(INVALID/* kludge */); }
FGATC* GetComm1ATCPointer() { return(0/* kludge */); }
atc_type GetComm2ATCType() { return(INVALID); }
FGATC* GetComm2ATCPointer() { return(0/* kludge */); }
private:
// Remove a class from the atc_list and delete it from memory
// *if* no other comm channel or AI plane is using it.
void ZapOtherService(const std::string ncunit, const std::string svc_name);
// Return a pointer to a class in the list given ICAO code and type
// Return NULL if the given service is not in the list
// - *** THE CALLING FUNCTION MUST CHECK FOR THIS ***
FGATC* FindInList(const std::string& id, const atc_type& tp);
// Search the specified radio for stations on the same frequency and in range.
void FreqSearch(const std::string navcomm, const int unit);
};
#endif // _FG_ATCMGR_HXX