100 lines
3 KiB
C++
100 lines
3 KiB
C++
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// FGAILocalTraffic - AIEntity derived class with enough logic to
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// fly and interact with the traffic pattern.
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//
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// Written by David Luff, started March 2002.
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//
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// Copyright (C) 2002 David C. Luff - david.luff@nottingham.ac.uk
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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/*****************************************************************
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*
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* WARNING - Curt has some ideas about AI traffic so anything in here
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* may get rewritten or scrapped. Contact Curt curt@flightgear.org
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* before spending any time or effort on this code!!!
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*
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******************************************************************/
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#ifndef _FG_AILocalTraffic_HXX
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#define _FG_AILocalTraffic_HXX
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#include <plib/sg.h>
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#include <plib/ssg.h>
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#include <simgear/math/point3d.hxx>
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#include "tower.hxx"
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#include "AIEntity.hxx"
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typedef enum pattern_leg {
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TAKEOFF_ROLL,
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OUTWARD,
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TURN1,
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CROSSWIND,
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TURN2,
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DOWNWIND,
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TURN3,
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BASE,
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TURN4,
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FINAL,
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LANDING_ROLL
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};
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class FGAILocalTraffic : public FGAIEntity {
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public:
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FGAILocalTraffic();
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~FGAILocalTraffic();
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// Initialise
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void Init();
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// Run the internal calculations
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void Update();
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private:
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char* airport; // The ICAO code of the airport that we're operating around
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double freq; // The frequency that we're operating on - might not need this eventually
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FGTower* tower; // A pointer to the tower control.
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double mag_hdg; // degrees - the heading that the physical aircraft is pointing
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double mag_var; // degrees
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double vel; // velocity along track in m/s
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double track; // track - degrees relative to *magnetic* north
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double slope; // Actual slope that the plane is flying (degrees) - +ve is uphill
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double AoA; // degrees - difference between slope and pitch
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// We'll assume that the plane doesn't yaw or slip - the track/heading difference is to allow for wind
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// Performance characteristics of the plane in knots and ft/min
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double Vr;
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double best_rate_of_climb_speed;
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double best_rate_of_climb;
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double nominal_climb_speed;
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double nominal_climb_rate;
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double nominal_circuit_speed;
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double min_circuit_speed;
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double max_circuit_speed;
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double nominal_descent_rate;
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double nominal_approach_speed;
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double stall_speed_landing_config;
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// OK, what do we need to know whilst flying the pattern
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pattern_leg leg;
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};
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#endif // _FG_AILocalTraffic_HXX
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