-// FGAILocalTraffic - AIEntity derived class with enough logic to
-// fly and interact with the traffic pattern.
-//
-// Written by David Luff, started March 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_AILocalTraffic_HXX
-#define _FG_AILocalTraffic_HXX
-
-#include <simgear/math/point3d.hxx>
-#include <Main/fg_props.hxx>
-
-#include "AIPlane.hxx"
-#include "ATCProjection.hxx"
-#include "ground.hxx"
-
-class FGGround;
-class FGTower;
-class Gate;
-
-#include <string>
-SG_USING_STD(string);
-
-enum TaxiState {
- TD_INBOUND,
- TD_OUTBOUND,
- TD_NONE,
- TD_LINING_UP
-};
-
-enum OperatingState {
- IN_PATTERN,
- TAXIING,
- PARKED,
- EN_ROUTE
-};
-
-struct StartOfDescent {
- PatternLeg leg;
- double x; // Runway aligned orthopos
- double y; // ditto
-};
-
-class FGAILocalTraffic : public FGAIPlane {
-
-public:
-
- // At the moment we expect the expanded short form callsign - eventually we will just want the reg + type.
- FGAILocalTraffic();
- ~FGAILocalTraffic();
-
- // Initialise
- bool Init(const string& callsign, const string& ICAO, OperatingState initialState = PARKED, PatternLeg initialLeg = DOWNWIND);
-
- // Run the internal calculations
- void Update(double dt);
-
- // Go out and practice circuits
- void FlyCircuits(int numCircuits, bool tag);
-
- // Return what type of landing we're doing on this circuit
- LandingType GetLandingOption();
-
- // TODO - this will get more complex and moved into the main class
- // body eventually since the position approved to taxi to will have
- // to be passed.
- inline void ApproveTaxiRequest() {taxiRequestCleared = true;}
-
- inline void DenyTaxiRequest() {taxiRequestCleared = false;}
-
- void RegisterTransmission(int code);
-
- // Process callbacks sent by base class
- // (These codes are not related to the codes above)
- void ProcessCallback(int code);
-
- // This is a hack and will probably go eventually
- inline bool AtHoldShort() {return holdingShort;}
-
-protected:
-
- // Attempt to enter the traffic pattern in a reasonably intelligent manner
- void EnterTrafficPattern(double dt);
-
- // Set up the internal state to be consistent for a downwind entry.
- void DownwindEntry();
-
- // Ditto for straight-in
- void StraightInEntry(bool des = false);
-
- // Do what is necessary to land and parkup at home airport
- void ReturnToBase(double dt);
-
- // Airport/runway/pattern details
- string airportID; // The ICAO code of the airport that we're operating around
- double aptElev; // Airport elevation
- FGGround* ground; // A pointer to the ground control.
- FGTower* tower; // A pointer to the tower control.
- bool _controlled; // Set true if we find tower control working for the airport, false otherwise.
- RunwayDetails rwy;
- double patternDirection; // 1 for right, -1 for left (This is double because we multiply/divide turn rates
- // with it to get RH/LH turns - DON'T convert it to int under ANY circumstances!!
- double glideAngle; // Assumed to be visual glidepath angle for FGAILocalTraffic - can be found at www.airnav.com
- // Its conceivable that patternDirection and glidePath could be moved into the RunwayDetails structure.
-
- // Its possible that this might be moved out to the ground/airport class at some point.
- FGATCAlignedProjection ortho; // Orthogonal mapping of the local area with the threshold at the origin
- // and the runway aligned with the y axis.
-
- void GetAirportDetails(const string& id);
-
- void GetRwyDetails(const string& id);
-
- double responseCounter; // timer in seconds to allow response to requests to be a little while after them
- // Will almost certainly get moved to FGAIPlane.
-
-private:
- FGATCMgr* ATC;
- // This is purely for synactic convienience to avoid writing globals->get_ATC_mgr()-> all through the code!
-
- // High-level stuff
- OperatingState operatingState;
- int circuitsToFly; //Number of circuits still to do in this session NOT INCLUDING THE CURRENT ONE
- bool touchAndGo; //True if circuits should be flown touch and go, false for full stop
- bool transmitted; // Set true when a position report for the current leg has been transmitted.
-
- // Performance characteristics of the plane in knots and ft/min - some of this might get moved out into FGAIPlane
- double Vr;
- double best_rate_of_climb_speed;
- double best_rate_of_climb;
- double nominal_climb_speed;
- double nominal_climb_rate;
- double nominal_circuit_speed;
- double min_circuit_speed;
- double max_circuit_speed;
- double nominal_descent_rate;
- double nominal_approach_speed;
- double nominal_final_speed;
- double stall_speed_landing_config;
- double nominal_taxi_speed;
-
- // Physical/rendering stuff
- double wheelOffset; // Height above ground at which we need to render the plane whilst taxiing
- bool elevInitGood; // We have had at least one good elev reading
- bool inAir; // True when off the ground
-
- // environment - some of this might get moved into FGAIPlane
- SGPropertyNode* wind_from_hdg; //degrees
- SGPropertyNode* wind_speed_knots; //knots
-
- // Pattern details that (may) change
- int numInPattern; // Number of planes in the pattern (this might get more complicated if high performance GA aircraft fly a higher pattern eventually)
- int numAhead; // More importantly - how many of them are ahead of us?
- double distToNext; // And even more importantly, how near are we getting to the one immediately ahead?
- //PatternLeg leg; // Our current position in the pattern - now moved to FGAIPlane
- StartOfDescent SoD; // Start of descent calculated wrt wind, pattern size & altitude, glideslope etc
- bool descending; // We're in the coming down phase of the pattern
- double targetDescentRate; // m/s
-
- // Taxiing details
- // At the moment this assumes that all taxiing in is to gates (a loose term that includes
- // any permitted parking spot) and that all taxiing out is to runways.
- bool parked;
- bool taxiing;
- bool taxiRequestPending;
- bool taxiRequestCleared;
- TaxiState taxiState;
- double desiredTaxiHeading;
- double taxiTurnRadius;
- double nominalTaxiSpeed;
- Gate* ourGate;
- ground_network_path_type path; // a path through the ground network for the plane to taxi
- unsigned int taxiPathPos; // position of iterator in taxi path when applicable
- node* nextTaxiNode; // next node in taxi path
- node* holdShortNode;
- //Runway out_dest; //FIXME - implement this
- bool holdingShort;
- bool reportReadyForDeparture; // set true when ATC has requested that the plane report when ready for departure
- bool clearedToLineUp;
- bool clearedToTakeOff;
- bool _clearedToLand; // also implies cleared for the option.
- bool liningUp; // Set true when the turn onto the runway heading is commenced when taxiing out
- bool goAround; // Set true if need to go-around
- bool goAroundCalled; // Set true during go-around only after we have called our go-around on the radio
- bool contactTower; // we have been told to contact tower
- bool contactGround; // we have been told to contact ground
- bool changeFreq; // true when we need to change frequency
- bool _taxiToGA; // Temporary mega-hack indicating we are to taxi to the GA parking and disconnect from tower control.
- bool _removeSelf; // Indicates that we wish to remove this instance. The use of a variable is a hack to allow time for messages to purge before removal, due to the fagility of the current dialog system.
- atc_type changeFreqType; // the service we need to change to
- bool freeTaxi; // False if the airport has a facilities file with a logical taxi network defined, true if we need to calculate our own taxiing points.
-
- // Hack for getting close to the runway when atan can go pear-shaped
- double _savedSlope;
-
- void FlyTrafficPattern(double dt);
-
- // TODO - need to add something to define what option we are flying - Touch and go / Stop and go / Landing properly / others?
-
- void TransmitPatternPositionReport();
-
- void CalculateSoD(double base_leg_pos, double downwind_leg_pos, bool pattern_direction);
-
- void ExitRunway(const Point3D& orthopos);
-
- void StartTaxi();
-
- void Taxi(double dt);
-
- void GetNextTaxiNode();
-
- void DoGroundElev();
-
- // Set when the plane should be invisible *regardless of distance from user*.
- bool _invisible;
-};
-
-#endif // _FG_AILocalTraffic_HXX
+// FGAILocalTraffic - AIEntity derived class with enough logic to\r
+// fly and interact with the traffic pattern.\r
+//\r
+// Written by David Luff, started March 2002.\r
+//\r
+// Copyright (C) 2002 David C. Luff - david.luff@nottingham.ac.uk\r
+//\r
+// This program is free software; you can redistribute it and/or\r
+// modify it under the terms of the GNU General Public License as\r
+// published by the Free Software Foundation; either version 2 of the\r
+// License, or (at your option) any later version.\r
+//\r
+// This program is distributed in the hope that it will be useful, but\r
+// WITHOUT ANY WARRANTY; without even the implied warranty of\r
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\r
+// General Public License for more details.\r
+//\r
+// You should have received a copy of the GNU General Public License\r
+// along with this program; if not, write to the Free Software\r
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.\r
+\r
+#ifndef _FG_AILocalTraffic_HXX\r
+#define _FG_AILocalTraffic_HXX\r
+\r
+#include <simgear/math/point3d.hxx>\r
+#include <Main/fg_props.hxx>\r
+\r
+#include "AIPlane.hxx"\r
+#include "ATCProjection.hxx"\r
+#include "ground.hxx"\r
+\r
+class FGGround;\r
+class FGTower;\r
+struct Gate;\r
+\r
+#include <string>\r
+SG_USING_STD(string);\r
+\r
+enum TaxiState {\r
+ TD_INBOUND,\r
+ TD_OUTBOUND,\r
+ TD_NONE,\r
+ TD_LINING_UP\r
+};\r
+\r
+enum OperatingState {\r
+ IN_PATTERN,\r
+ TAXIING,\r
+ PARKED,\r
+ EN_ROUTE\r
+};\r
+\r
+struct StartOfDescent {\r
+ PatternLeg leg;\r
+ double x; // Runway aligned orthopos\r
+ double y; // ditto\r
+};\r
+\r
+class FGAILocalTraffic : public FGAIPlane {\r
+ \r
+public:\r
+ \r
+ // At the moment we expect the expanded short form callsign - eventually we will just want the reg + type.\r
+ FGAILocalTraffic();\r
+ ~FGAILocalTraffic();\r
+ \r
+ // Initialise\r
+ bool Init(const string& callsign, const string& ICAO, OperatingState initialState = PARKED, PatternLeg initialLeg = DOWNWIND);\r
+ \r
+ // Run the internal calculations\r
+ void Update(double dt);\r
+ \r
+ // Go out and practice circuits\r
+ void FlyCircuits(int numCircuits, bool tag);\r
+ \r
+ // Return what type of landing we're doing on this circuit\r
+ LandingType GetLandingOption();\r
+ \r
+ // TODO - this will get more complex and moved into the main class\r
+ // body eventually since the position approved to taxi to will have\r
+ // to be passed.\r
+ inline void ApproveTaxiRequest() {taxiRequestCleared = true;}\r
+ \r
+ inline void DenyTaxiRequest() {taxiRequestCleared = false;}\r
+ \r
+ void RegisterTransmission(int code);\r
+ \r
+ // Process callbacks sent by base class\r
+ // (These codes are not related to the codes above)\r
+ void ProcessCallback(int code);\r
+ \r
+ // This is a hack and will probably go eventually\r
+ inline bool AtHoldShort() {return holdingShort;}\r
+ \r
+protected:\r
+ \r
+ // Attempt to enter the traffic pattern in a reasonably intelligent manner\r
+ void EnterTrafficPattern(double dt);\r
+ \r
+ // Set up the internal state to be consistent for a downwind entry.\r
+ void DownwindEntry();\r
+ \r
+ // Ditto for straight-in\r
+ void StraightInEntry(bool des = false);\r
+ \r
+ // Do what is necessary to land and parkup at home airport\r
+ void ReturnToBase(double dt);\r
+ \r
+ // Airport/runway/pattern details\r
+ string airportID; // The ICAO code of the airport that we're operating around\r
+ double aptElev; // Airport elevation\r
+ FGGround* ground; // A pointer to the ground control.\r
+ FGTower* tower; // A pointer to the tower control.\r
+ bool _controlled; // Set true if we find tower control working for the airport, false otherwise.\r
+ RunwayDetails rwy;\r
+ double patternDirection; // 1 for right, -1 for left (This is double because we multiply/divide turn rates\r
+ // with it to get RH/LH turns - DON'T convert it to int under ANY circumstances!!\r
+ double glideAngle; // Assumed to be visual glidepath angle for FGAILocalTraffic - can be found at www.airnav.com\r
+ // Its conceivable that patternDirection and glidePath could be moved into the RunwayDetails structure.\r
+ \r
+ // Its possible that this might be moved out to the ground/airport class at some point.\r
+ FGATCAlignedProjection ortho; // Orthogonal mapping of the local area with the threshold at the origin\r
+ // and the runway aligned with the y axis.\r
+ \r
+ void GetAirportDetails(const string& id);\r
+ \r
+ void GetRwyDetails(const string& id);\r
+ \r
+ double responseCounter; // timer in seconds to allow response to requests to be a little while after them\r
+ // Will almost certainly get moved to FGAIPlane. \r
+ \r
+private:\r
+ FGATCMgr* ATC; \r
+ // This is purely for synactic convienience to avoid writing globals->get_ATC_mgr()-> all through the code!\r
+\r
+ // High-level stuff\r
+ OperatingState operatingState;\r
+ int circuitsToFly; //Number of circuits still to do in this session NOT INCLUDING THE CURRENT ONE\r
+ bool touchAndGo; //True if circuits should be flown touch and go, false for full stop\r
+ bool transmitted; // Set true when a position report for the current leg has been transmitted.\r
+ \r
+ // Performance characteristics of the plane in knots and ft/min - some of this might get moved out into FGAIPlane\r
+ double Vr;\r
+ double best_rate_of_climb_speed;\r
+ double best_rate_of_climb;\r
+ double nominal_climb_speed;\r
+ double nominal_climb_rate;\r
+ double nominal_circuit_speed;\r
+ double min_circuit_speed;\r
+ double max_circuit_speed;\r
+ double nominal_descent_rate;\r
+ double nominal_approach_speed;\r
+ double nominal_final_speed;\r
+ double stall_speed_landing_config;\r
+ double nominal_taxi_speed;\r
+ \r
+ // Physical/rendering stuff\r
+ double wheelOffset; // Height above ground at which we need to render the plane whilst taxiing\r
+ bool elevInitGood; // We have had at least one good elev reading\r
+ bool inAir; // True when off the ground \r
+ \r
+ // environment - some of this might get moved into FGAIPlane\r
+ SGPropertyNode* wind_from_hdg; //degrees\r
+ SGPropertyNode* wind_speed_knots; //knots\r
+ \r
+ // Pattern details that (may) change\r
+ int numInPattern; // Number of planes in the pattern (this might get more complicated if high performance GA aircraft fly a higher pattern eventually)\r
+ int numAhead; // More importantly - how many of them are ahead of us?\r
+ double distToNext; // And even more importantly, how near are we getting to the one immediately ahead?\r
+ //PatternLeg leg; // Our current position in the pattern - now moved to FGAIPlane\r
+ StartOfDescent SoD; // Start of descent calculated wrt wind, pattern size & altitude, glideslope etc\r
+ bool descending; // We're in the coming down phase of the pattern\r
+ double targetDescentRate; // m/s\r
+\r
+ // Taxiing details\r
+ // At the moment this assumes that all taxiing in is to gates (a loose term that includes\r
+ // any permitted parking spot) and that all taxiing out is to runways.\r
+ bool parked;\r
+ bool taxiing;\r
+ bool taxiRequestPending;\r
+ bool taxiRequestCleared;\r
+ TaxiState taxiState;\r
+ double desiredTaxiHeading;\r
+ double taxiTurnRadius;\r
+ double nominalTaxiSpeed;\r
+ Gate* ourGate;\r
+ ground_network_path_type path; // a path through the ground network for the plane to taxi\r
+ unsigned int taxiPathPos; // position of iterator in taxi path when applicable\r
+ node* nextTaxiNode; // next node in taxi path\r
+ node* holdShortNode;\r
+ //Runway out_dest; //FIXME - implement this\r
+ bool holdingShort;\r
+ bool reportReadyForDeparture; // set true when ATC has requested that the plane report when ready for departure\r
+ bool clearedToLineUp;\r
+ bool clearedToTakeOff;\r
+ bool _clearedToLand; // also implies cleared for the option.\r
+ bool liningUp; // Set true when the turn onto the runway heading is commenced when taxiing out\r
+ bool goAround; // Set true if need to go-around\r
+ bool goAroundCalled; // Set true during go-around only after we have called our go-around on the radio\r
+ bool contactTower; // we have been told to contact tower\r
+ bool contactGround; // we have been told to contact ground\r
+ bool changeFreq; // true when we need to change frequency\r
+ bool _taxiToGA; // Temporary mega-hack indicating we are to taxi to the GA parking and disconnect from tower control.\r
+ bool _removeSelf; // Indicates that we wish to remove this instance. The use of a variable is a hack to allow time for messages to purge before removal, due to the fagility of the current dialog system.\r
+ atc_type changeFreqType; // the service we need to change to\r
+ bool freeTaxi; // False if the airport has a facilities file with a logical taxi network defined, true if we need to calculate our own taxiing points.\r
+ \r
+ // Hack for getting close to the runway when atan can go pear-shaped\r
+ double _savedSlope;\r
+\r
+ void FlyTrafficPattern(double dt);\r
+\r
+ // TODO - need to add something to define what option we are flying - Touch and go / Stop and go / Landing properly / others?\r
+\r
+ void TransmitPatternPositionReport();\r
+\r
+ void CalculateSoD(double base_leg_pos, double downwind_leg_pos, bool pattern_direction);\r
+\r
+ void ExitRunway(const Point3D& orthopos);\r
+\r
+ void StartTaxi();\r
+\r
+ void Taxi(double dt);\r
+\r
+ void GetNextTaxiNode();\r
+ \r
+ void DoGroundElev();\r
+ \r
+ // Set when the plane should be invisible *regardless of distance from user*.\r
+ bool _invisible;\r
+};\r
+\r
+#endif // _FG_AILocalTraffic_HXX\r
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