128 lines
4.2 KiB
C++
128 lines
4.2 KiB
C++
/* -*- Mode: C++ -*- *****************************************************
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* TrafficMgr.hxx
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* Written by Durk Talsma. Started May 5, 2004
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*
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**************************************************************************/
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/**************************************************************************
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* This file contains the class definitions for a (Top Level) traffic
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* manager for FlightGear.
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*
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* This is traffic manager version II. The major difference from version
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* I is that the Flight Schedules are decoupled from the AIAircraft
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* entities. This allows for a much greater flexibility in setting up
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* Irregular schedules. Traffic Manager II also makes no longer use of .xml
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* based configuration files.
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*
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* Here is a step plan to achieve the goal of creating Traffic Manager II
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*
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* 1) Read aircraft data from a simple text file, like the one provided by
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* Gabor Toth
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* 2) Create a new database structure of SchedFlights. This new database
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* should not be part of the Schedule class, but of TrafficManager itself
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* 3) Each aircraft should have a list of possible Flights it can operate
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* (i.e. airline and AC type match).
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* 4) Aircraft processing proceeds as current. During initialization, we seek
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* the most urgent flight that needs to be operated
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* 5) Modify the getNextLeg function so that the next flight is loaded smoothly.
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**************************************************************************/
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#ifndef _TRAFFICMGR_HXX_
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#define _TRAFFICMGR_HXX_
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#include <set>
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#include <memory>
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#include <simgear/structure/subsystem_mgr.hxx>
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#include <simgear/props/propertyObject.hxx>
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#include <simgear/misc/sg_path.hxx>
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#include "SchedFlight.hxx"
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#include "Schedule.hxx"
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class Heuristic
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{
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public:
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std::string registration;
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unsigned int runCount;
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unsigned int hits;
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unsigned int lastRun;
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};
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typedef std::vector<Heuristic> heuristicsVector;
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typedef std::vector<Heuristic>::iterator heuristicsVectorIterator;
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typedef std::map < std::string, Heuristic> HeuristicMap;
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typedef HeuristicMap::iterator HeuristicMapIterator;
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class ScheduleParseThread;
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class FGTrafficManager : public SGSubsystem
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{
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private:
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bool inited;
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bool doingInit;
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bool trafficSyncRequested;
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double waitingMetarTime;
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std::string waitingMetarStation;
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ScheduleVector scheduledAircraft;
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ScheduleVectorIterator currAircraft, currAircraftClosest;
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FGScheduledFlightMap flights;
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void readTimeTableFromFile(SGPath infilename);
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void Tokenize(const std::string& str, std::vector<std::string>& tokens, const std::string& delimiters = " ");
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simgear::PropertyObject<bool> enabled, aiEnabled, realWxEnabled, metarValid, active, aiDataUpdateNow;
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void loadHeuristics();
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bool doDataSync();
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void finishInit();
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void shutdown();
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friend class ScheduleParseThread;
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std::unique_ptr<ScheduleParseThread> scheduleParser;
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// helper to read and parse the schedule data.
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// this is run on a helper thread, so be careful about
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// accessing properties during parsing
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void parseSchedule(const SGPath& path);
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bool metarReady(double dt);
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public:
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FGTrafficManager();
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~FGTrafficManager();
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// Subsystem API.
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void init() override;
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void update(double time) override;
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// Subsystem identification.
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static const char* staticSubsystemClassId() { return "traffic-manager"; }
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FGScheduledFlightVecIterator getFirstFlight(const std::string &ref) { return flights[ref].begin(); }
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FGScheduledFlightVecIterator getLastFlight(const std::string &ref) { return flights[ref].end(); }
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};
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#endif
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