--- /dev/null
+// FGAIEntity - abstract base class an artificial intelligence entity
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+/*****************************************************************
+*
+* WARNING - Curt has some ideas about AI traffic so anything in here
+* may get rewritten or scrapped. Contact Curt curt@flightgear.org
+* before spending any time or effort on this code!!!
+*
+******************************************************************/
+
+#include <Main/globals.hxx>
+#include <Scenery/scenery.hxx>
+//#include <simgear/constants.h>
+#include <simgear/math/point3d.hxx>
+#include <simgear/math/sg_geodesy.hxx>
+#include <simgear/misc/sg_path.hxx>
+#include <string>
+
+#include "AIEntity.hxx"
+
+extern ssgRoot* scene; // The global Flightgear scene graph
+
+FGAIEntity::~FGAIEntity() {
+}
+
+// Run the internal calculations
+void FGAIEntity::Update() {
+}
+
+void FGAIEntity::Transform() {
+
+ // Translate moving object w.r.t eye
+ Point3D sc = scenery.get_center();
+ //cout << "sc0 = " << sc.x() << " sc1 = " << sc.y() << " sc2 = " << sc.z() << '\n';
+ //cout << "op0 = " << obj_pos.x() << " op1 = " << obj_pos.y() << " op2 = " << obj_pos.z() << '\n';
+
+ sgCoord shippos;
+ FastWorldCoordinate(&shippos, sc);
+ position->setTransform( &shippos );
+ scene->addKid(position);
+ //cout << "Transform called\n";
+}
+
+#if 0
+// Taken from tileentry.cxx
+void FGAIEntity::WorldCoordinate(sgCoord *obj_pos, Point3D center) {
+ // setup transforms
+ Point3D geod( lon * SGD_DEGREES_TO_RADIANS,
+ lat * SGD_DEGREES_TO_RADIANS,
+ elev );
+
+ Point3D world_pos = sgGeodToCart( geod );
+ Point3D offset = world_pos - center;
+
+ sgMat4 POS;
+ sgMakeTransMat4( POS, offset.x(), offset.y(), offset.z() );
+
+ sgVec3 obj_rt, obj_up;
+ sgSetVec3( obj_rt, 0.0, 1.0, 0.0); // Y axis
+ sgSetVec3( obj_up, 0.0, 0.0, 1.0); // Z axis
+
+ sgMat4 ROT_lon, ROT_lat, ROT_hdg;
+ sgMakeRotMat4( ROT_lon, lon, obj_up );
+ sgMakeRotMat4( ROT_lat, 90 - lat, obj_rt );
+ sgMakeRotMat4( ROT_hdg, hdg, obj_up );
+
+ sgMat4 TUX;
+ sgCopyMat4( TUX, ROT_hdg );
+ sgPostMultMat4( TUX, ROT_lat );
+ sgPostMultMat4( TUX, ROT_lon );
+ sgPostMultMat4( TUX, POS );
+
+ sgSetCoord( obj_pos, TUX );
+}
+#endif
+
+// Norman's 'fast hack' for above
+void FGAIEntity::FastWorldCoordinate(sgCoord *obj_pos, Point3D center) {
+ double lon_rad = lon * SGD_DEGREES_TO_RADIANS;
+ double lat_rad = lat * SGD_DEGREES_TO_RADIANS;
+ double hdg_rad = hdg * SGD_DEGREES_TO_RADIANS;
+
+ // setup transforms
+ Point3D geod( lon_rad, lat_rad, elev );
+
+ Point3D world_pos = sgGeodToCart( geod );
+ Point3D offset = world_pos - center;
+
+ sgMat4 mat;
+
+ SGfloat sin_lat = (SGfloat)sin( lat_rad );
+ SGfloat cos_lat = (SGfloat)cos( lat_rad );
+ SGfloat cos_lon = (SGfloat)cos( lon_rad );
+ SGfloat sin_lon = (SGfloat)sin( lon_rad );
+ SGfloat sin_hdg = (SGfloat)sin( hdg_rad ) ;
+ SGfloat cos_hdg = (SGfloat)cos( hdg_rad ) ;
+
+ mat[0][0] = cos_hdg * (SGfloat)sin_lat * (SGfloat)cos_lon - sin_hdg * (SGfloat)sin_lon;
+ mat[0][1] = cos_hdg * (SGfloat)sin_lat * (SGfloat)sin_lon + sin_hdg * (SGfloat)cos_lon;
+ mat[0][2] = -cos_hdg * (SGfloat)cos_lat;
+ mat[0][3] = SG_ZERO;
+
+ mat[1][0] = -sin_hdg * (SGfloat)sin_lat * (SGfloat)cos_lon - cos_hdg * (SGfloat)sin_lon;
+ mat[1][1] = -sin_hdg * (SGfloat)sin_lat * (SGfloat)sin_lon + cos_hdg * (SGfloat)cos_lon;
+ mat[1][2] = sin_hdg * (SGfloat)cos_lat;
+ mat[1][3] = SG_ZERO;
+
+ mat[2][0] = (SGfloat)cos_lat * (SGfloat)cos_lon;
+ mat[2][1] = (SGfloat)cos_lat * (SGfloat)sin_lon;
+ mat[2][2] = (SGfloat)sin_lat;
+ mat[2][3] = SG_ZERO;
+
+ mat[3][0] = offset.x();
+ mat[3][1] = offset.y();
+ mat[3][2] = offset.z();
+ mat[3][3] = SG_ONE ;
+
+ sgSetCoord( obj_pos, mat );
+}
--- /dev/null
+// FGAIEntity - abstract base class an artificial intelligence entity
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+/*****************************************************************
+*
+* WARNING - Curt has some ideas about AI traffic so anything in here
+* may get rewritten or scrapped. Contact Curt curt@flightgear.org
+* before spending any time or effort on this code!!!
+*
+******************************************************************/
+
+#ifndef _FG_AIEntity_HXX
+#define _FG_AIEntity_HXX
+
+#include <plib/sg.h>
+#include <plib/ssg.h>
+#include <simgear/math/point3d.hxx>
+
+class FGAIEntity {
+
+public:
+
+ // We need some way for this class to display its radio transmissions if on the
+ // same frequency and in the vicinity of the user's aircraft
+ // This may need to be done independently of ATC eg CTAF
+
+ virtual ~FGAIEntity();
+
+ // Run the internal calculations
+ virtual void Update();
+
+protected:
+
+ double lat; //WGS84
+ double lon; //WGS84
+ double elev; //Meters
+ double hdg; //True heading in degrees
+ double roll; //degrees
+ double pitch; //degrees
+
+ char* model_path; //Path to the 3D model
+
+ ssgEntity* model;
+ ssgTransform* position;
+
+ void Transform();
+
+ //void WorldCoordinate(sgCoord *obj_pos, Point3D center);
+
+ void FastWorldCoordinate(sgCoord *obj_pos, Point3D center);
+
+};
+
+#endif // _FG_AIEntity_HXX
\ No newline at end of file
--- /dev/null
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+/*****************************************************************
+*
+* WARNING - Curt has some ideas about AI traffic so anything in here
+* may get rewritten or scrapped. Contact Curt curt@flightgear.org
+* before spending any time or effort on this code!!!
+*
+******************************************************************/
+
+#include <Main/globals.hxx>
+//#include <simgear/constants.h>
+#include <simgear/math/point3d.hxx>
+#include <simgear/math/sg_geodesy.hxx>
+#include <simgear/misc/sg_path.hxx>
+#include <string>
+
+SG_USING_STD(string);
+
+#include "ATCmgr.hxx"
+#include "AILocalTraffic.hxx"
+
+FGAILocalTraffic::FGAILocalTraffic() {
+}
+
+FGAILocalTraffic::~FGAILocalTraffic() {
+}
+
+void FGAILocalTraffic::Init() {
+ // Hack alert - Hardwired path!!
+ string planepath = "Aircraft/c172/Models/c172-dpm.ac";
+ SGPath path = globals->get_fg_root();
+ path.append(planepath);
+ ssgTexturePath((char*)path.dir().c_str());
+ model = ssgLoad((char*)planepath.c_str());
+ if (model == 0) {
+ model = ssgLoad((char*)"Models/Geometry/glider.ac");
+ if (model == 0)
+ cout << "Failed to load an aircraft model in AILocalTraffic\n";
+ } else {
+ cout << "AILocal Traffic Model loaded successfully\n";
+ }
+ position = new ssgTransform;
+ position->addKid(model);
+
+ // Hardwire to KEMT
+ lat = 34.081358;
+ lon = -118.037483;
+ elev = (287.0 + 0.5) * SG_FEET_TO_METER; // Ground is 296 so this should be above it
+ mag_hdg = -10.0;
+ pitch = 0.0;
+ roll = 0.0;
+ mag_var = -14.0;
+
+ // Activate the tower - this is dependent on the ATC system being initialised before the AI system
+ AirportATC a;
+ if(globals->get_ATC_mgr()->GetAirportATCDetails((string)"KEMT", &a)) {
+ if(a.tower_freq) { // Has a tower
+ tower = (FGTower*)globals->get_ATC_mgr()->GetATCPointer((string)"KEMT", TOWER); // Maybe need some error checking here
+ } else {
+ // Check CTAF, unicom etc
+ }
+ } else {
+ cout << "Unable to find airport details in FGAILocalTraffic::Init()\n";
+ }
+
+ Transform();
+}
+
+// Run the internal calculations
+void FGAILocalTraffic::Update() {
+ hdg = mag_hdg + mag_var;
+
+ // This should become if(the plane has moved) then Transform()
+ static int i = 0;
+ if(i == 60) {
+ Transform();
+ i = 0;
+ }
+ i++;
+}
--- /dev/null
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+/*****************************************************************
+*
+* WARNING - Curt has some ideas about AI traffic so anything in here
+* may get rewritten or scrapped. Contact Curt curt@flightgear.org
+* before spending any time or effort on this code!!!
+*
+******************************************************************/
+
+#ifndef _FG_AILocalTraffic_HXX
+#define _FG_AILocalTraffic_HXX
+
+#include <plib/sg.h>
+#include <plib/ssg.h>
+#include <simgear/math/point3d.hxx>
+
+#include "tower.hxx"
+#include "AIEntity.hxx"
+
+typedef enum pattern_leg {
+ TAKEOFF_ROLL,
+ OUTWARD,
+ TURN1,
+ CROSSWIND,
+ TURN2,
+ DOWNWIND,
+ TURN3,
+ BASE,
+ TURN4,
+ FINAL,
+ LANDING_ROLL
+};
+
+class FGAILocalTraffic : public FGAIEntity {
+
+public:
+
+ FGAILocalTraffic();
+ ~FGAILocalTraffic();
+
+ // Initialise
+ void Init();
+
+ // Run the internal calculations
+ void Update();
+
+private:
+
+ char* airport; // The ICAO code of the airport that we're operating around
+ double freq; // The frequency that we're operating on - might not need this eventually
+ FGTower* tower; // A pointer to the tower control.
+
+ double mag_hdg; // degrees - the heading that the physical aircraft is pointing
+ double mag_var; // degrees
+
+ double vel; // velocity along track in m/s
+ double track; // track - degrees relative to *magnetic* north
+ double slope; // Actual slope that the plane is flying (degrees) - +ve is uphill
+ double AoA; // degrees - difference between slope and pitch
+ // We'll assume that the plane doesn't yaw or slip - the track/heading difference is to allow for wind
+
+ // Performance characteristics of the plane in knots and ft/min
+ 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 stall_speed_landing_config;
+
+ // OK, what do we need to know whilst flying the pattern
+ pattern_leg leg;
+
+};
+
+#endif // _FG_AILocalTraffic_HXX
\ No newline at end of file
--- /dev/null
+// AIMgr.cxx - implementation of FGAIMgr
+// - a global management class for FlightGear generated AI traffic
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+/*****************************************************************
+*
+* WARNING - Curt has some ideas about AI traffic so anything in here
+* may get rewritten or scrapped. Contact Curt curt@flightgear.org
+* before spending any time or effort on this code!!!
+*
+******************************************************************/
+
+
+
+#include <Main/fgfs.hxx>
+#include <Main/fg_props.hxx>
+
+#include <list>
+
+#include "AIMgr.hxx"
+#include "AILocalTraffic.hxx"
+
+SG_USING_STD(list);
+
+
+FGAIMgr::FGAIMgr() {
+}
+
+FGAIMgr::~FGAIMgr() {
+}
+
+void FGAIMgr::init() {
+ // Hard wire some local traffic for now.
+ // This is regardless of location and hence *very* ugly but it is a start.
+ FGAILocalTraffic* local_traffic = new FGAILocalTraffic;
+ local_traffic->Init();
+ ai_list.push_back(local_traffic);
+}
+
+void FGAIMgr::bind() {
+}
+
+void FGAIMgr::unbind() {
+}
+
+void FGAIMgr::update(int dt) {
+ // Traverse the list of active planes and run all their update methods
+ ai_list_itr = ai_list.begin();
+ while(ai_list_itr != ai_list.end()) {
+ (*ai_list_itr)->Update();
+ ++ai_list_itr;
+ }
+}
\ No newline at end of file
--- /dev/null
+// AIMgr.hxx - definition of FGAIMgr
+// - a global management class for FlightGear generated AI traffic
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+/*****************************************************************
+*
+* WARNING - Curt has some ideas about AI traffic so anything in here
+* may get rewritten or scrapped. Contact Curt curt@flightgear.org
+* before spending any time or effort on this code!!!
+*
+******************************************************************/
+
+#ifndef _FG_AIMGR_HXX
+#define _FG_AIMGR_HXX
+
+#include <Main/fgfs.hxx>
+#include <Main/fg_props.hxx>
+
+#include <list>
+
+#include "AIEntity.hxx"
+
+SG_USING_STD(list);
+
+class FGAIMgr : public FGSubsystem
+{
+
+private:
+
+ // A list of pointers to all currently active AI stuff
+ typedef list <FGAIEntity*> ai_list_type;
+ typedef ai_list_type::iterator ai_list_iterator;
+ typedef ai_list_type::const_iterator ai_list_const_iterator;
+
+ // Everything put in this list should be created dynamically
+ // on the heap and ***DELETED WHEN REMOVED!!!!!***
+ ai_list_type ai_list;
+ ai_list_iterator ai_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
+ // (This may be needed to calculate the distance from the user when deciding which 3D model to render)
+ double current_lon;
+ double current_lat;
+ double current_elev;
+ // Pointers to current users position
+ SGPropertyNode *current_lon_node;
+ SGPropertyNode *current_lat_node;
+ SGPropertyNode *current_elev_node;
+
+ //FGATIS atis;
+ //FGGround ground;
+ //FGTower tower;
+ //FGApproach approach;
+ //FGDeparture departure;
+
+public:
+
+ FGAIMgr();
+ ~FGAIMgr();
+
+ void init();
+
+ void bind();
+
+ void unbind();
+
+ void update(int dt);
+
+private:
+
+ // Remove a class from the ai_list and delete it from memory
+ //void RemoveFromList(const char* id, atc_type tp);
+
+};
+
+#endif // _FG_AIMGR_HXX
void FGATC::Update() {
}
+void FGATC::AddPlane(string pid) {
+}
+
+int FGATC::RemovePlane() {
+}
+
void FGATC::SetDisplay() {
}
atc_type FGATC::GetType() {
return INVALID;
-}
\ No newline at end of file
+}
+
+ostream& operator << (ostream& os, atc_type atc) {
+ switch(atc) {
+ case(INVALID):
+ return(os << "INVALID");
+ case(ATIS):
+ return(os << "ATIS");
+ case(GROUND):
+ return(os << "GROUND");
+ case(TOWER):
+ return(os << "TOWER");
+ case(APPROACH):
+ return(os << "APPROACH");
+ case(DEPARTURE):
+ return(os << "DEPARTURE");
+ case(ENROUTE):
+ return(os << "ENROUTE");
+ }
+ return(os << "ERROR - Unknown switch in atc_type operator << ");
+}
#ifndef _FG_ATC_HXX
#define _FG_ATC_HXX
+#include <iostream>
+#include <string>
+
// Possible types of ATC type that the radios may be tuned to.
// INVALID implies not tuned in to anything.
enum atc_type {
APPROACH,
DEPARTURE,
ENROUTE
-};
+};
+
+ostream& operator << (ostream& os, atc_type atc);
class FGATC {
// Run the internal calculations
virtual void Update();
+ // Add plane to a stack
+ virtual void AddPlane(string pid);
+
+ // Remove plane from stack
+ virtual int RemovePlane();
+
// Indicate that this instance should output to the display if appropriate
virtual void SetDisplay();
}
}
+
+ if(msgList.size()) {
+ //cout << "Attempting to render single message\n";
+ // We have at least one non-repeating message to process
+ msgList_itr = msgList.begin();
+ int i = 0;
+ while(msgList_itr != msgList.end()) {
+ atcMessage m = *msgList_itr;
+ //cout << "m.counter = " << m.counter << '\n';
+ if(m.counter > m.stop_count) {
+ //cout << "Stopping single message\n";
+ msgList_itr = msgList.erase(msgList_itr);
+ } else if(m.counter > m.start_count) {
+ //cout << "Displaying single message\n";
+ // Display the message
+ // FIXME - I'm sure all this opengl code should only be called once until all drawing is finished
+ SGPropertyNode *xsize_node = fgGetNode("/sim/startup/xsize");
+ SGPropertyNode *ysize_node = fgGetNode("/sim/startup/ysize");
+ int iwidth = xsize_node->getIntValue();
+ int iheight = ysize_node->getIntValue();
+ glMatrixMode( GL_PROJECTION );
+ glPushMatrix();
+ glLoadIdentity();
+ gluOrtho2D( 0, iwidth, 0, iheight );
+ glMatrixMode( GL_MODELVIEW );
+ glPushMatrix();
+ glLoadIdentity();
+
+ glDisable( GL_DEPTH_TEST );
+ glDisable( GL_LIGHTING );
+
+ glColor3f( 0.9, 0.4, 0.2 );
+
+ guiFnt.drawString( m.msg.c_str(),
+ 100,
+ (iheight - 40) ); // TODO - relate the distance in that the string is rendered to the string length.
+ glEnable( GL_DEPTH_TEST );
+ glEnable( GL_LIGHTING );
+ glMatrixMode( GL_PROJECTION );
+ glPopMatrix();
+ glMatrixMode( GL_MODELVIEW );
+ glPopMatrix();
+ ++m.counter;
+ msgList[i] = m;
+ ++msgList_itr;
+ ++i;
+ } else {
+ ++m.counter;
+ msgList[i] = m;
+ ++msgList_itr;
+ ++i;
+ }
+ }
+ }
}
+void FGATCDisplay::RegisterSingleMessage(string msg, int delay) {
+ atcMessage m;
+ m.msg = msg;
+ m.repeating = false;
+ m.counter = 0;
+ m.start_count = delay * 30; // Fixme - need to use actual FPS
+ m.stop_count = m.start_count + 100; // Display for 3 - 5 seconds for now - this might have to change eg. be related to length of message in future
+ //cout << "m.stop_count = " << m.stop_count << '\n';
+ m.id = 0;
+
+ msgList.push_back(m);
+ //cout << "Single message registered\n";
+}
void FGATCDisplay::RegisterRepeatingMessage(string msg) {
rep_msg = true;
struct atcMessage {
string msg;
bool repeating;
+ int counter; // count of how many iterations since posting
+ int start_count; // value of counter at which display should start
+ int stop_count; // value of counter at which display should stop
int id;
};
// Display any registered messages
void update(int dt);
- // Register a single message for display when possible
- void RegisterSingleMessage(string msg); // OK - I know passing a string in and out is probably not good but it will have to do for now.
+ // Register a single message for display after a delay of delay seconds
+ // Will automatically stop displaying after a suitable interval.
+ void RegisterSingleMessage(string msg, int delay); // OK - I know passing a string in and out is probably not good but it will have to do for now.
// For now we will assume only one repeating message at once
// This is not really robust
#include "ATCmgr.hxx"
#include "atislist.hxx"
+//#include "groundlist.hxx"
+#include "towerlist.hxx"
+#include "approachlist.hxx"
/*
// periodic radio station search wrapper
*/ //This wouldn't compile - including Time/event.hxx breaks it :-(
FGATCMgr::FGATCMgr() {
+ comm1_ident = "";
+ comm1_atis_ident = "";
+ comm1_tower_ident = "";
+ comm1_approach_ident = "";
+ last_comm1_ident = "";
+ last_comm1_atis_ident = "";
+ last_comm1_tower_ident = "";
+ last_comm1_approach_ident = "";
+ approach_ident = "";
+ last_in_range = false;
+ comm1_atis_valid = false;
+ comm1_tower_valid = false;
+ comm1_approach_valid = false;
}
FGATCMgr::~FGATCMgr() {
// global_events.Register( "fgATCSearch()", fgATCSearch,
// fgEVENT::FG_EVENT_READY, 800);
// For some reason the above doesn't compile - including Time/event.hxx stops compilation.
+
+ // Initialise the airport_atc_map - we'll cheat for now and just hardcode KEMT and any others that may be needed for development
+ AirportATC *a = new AirportATC;
+ a->lon = -118.034719;
+ a->lat = 34.086114;
+ a->elev = 296.0;
+ a->atis_freq = 118.75;
+ a->atis_active = false;
+ a->tower_freq = 121.2;
+ a->tower_active = false;
+ a->ground_freq = 125.9;
+ a->ground_active = false;
+
+ //a->set_by_AI = true;
+ //a->set_by_comm_search = false;
+
+ airport_atc_map[(string)"KEMT"] = a;
}
void FGATCMgr::update(int dt) {
//Traverse the list of active stations.
//Only update one class per update step to avoid the whole ATC system having to calculate between frames.
//Eventually we should only update every so many steps.
+ //cout << "In FGATCMgr::update - atc_list.size = " << atc_list.size() << '\n';
if(atc_list.size()) {
if(atc_list_itr == atc_list.end()) {
atc_list_itr = atc_list.begin();
}
++i;
}
+/*
+// Remove from list only if not needed by the AI system
+void FGATCMgr::CommRemoveFromList(const char* id, atc_type tp) {
+ AirportATC a;
+ if(GetAirportATCDetails((string)id, &a)) {
+ if(a.set_by_AI) {
+ // Don't remove
+ a.set_by_comm_search = false;
+ airport_atc_map[(string)id] = a;
+ return;
+ } else {
+ // remove
+
+*/
+// Remove from list - should only be called from above or similar
void FGATCMgr::RemoveFromList(const char* id, atc_type tp) {
+ //cout << "Requested type = " << tp << '\n';
+ //cout << "id = " << id << '\n';
atc_list_itr = atc_list.begin();
while(atc_list_itr != atc_list.end()) {
+ //cout << "type = " << (*atc_list_itr)->GetType() << '\n';
+ //cout << "Ident = " << (*atc_list_itr)->GetIdent() << '\n';
if( (!strcmp((*atc_list_itr)->GetIdent(), id))
&& ((*atc_list_itr)->GetType() == tp) ) {
//Before removing it stop it transmitting!!
+ //cout << "OBLITERATING FROM LIST!!!\n";
(*atc_list_itr)->SetNoDisplay();
(*atc_list_itr)->Update();
delete (*atc_list_itr);
}
}
+// Returns true if the airport is found in the map
+bool FGATCMgr::GetAirportATCDetails(string icao, AirportATC* a) {
+ if(airport_atc_map.find(icao) != airport_atc_map.end()) {
+ a = airport_atc_map[icao];
+ return(true);
+ } else {
+ return(false);
+ }
+}
+
+
+// Return a pointer to a given sort of ATC at a given airport and activate if necessary
+// ONLY CALL THIS FUNCTION AFTER FIRST CHECKING THE SERVICE EXISTS BY CALLING GetAirportATCDetails
+FGATC* FGATCMgr::GetATCPointer(string icao, atc_type type) {
+ AirportATC *a = airport_atc_map[icao];
+ //cout << "a->lon = " << a->lon << '\n';
+ //cout << "a->elev = " << a->elev << '\n';
+ //cout << "a->tower_freq = " << a->tower_freq << '\n';
+ switch(type) {
+ case TOWER:
+ if(a->tower_active) {
+ // Get the pointer from the list
+ } else {
+ FGTower* t = new FGTower;
+ if(current_towerlist->query(a->lon, a->lat, a->elev, a->tower_freq, &tower)) {
+ *t = tower;
+ atc_list.push_back(t);
+ a->tower_active = true;
+ airport_atc_map[icao] = a;
+ return(t);
+ } else {
+ cout << "ERROR - tower that should exist in FGATCMgr::GetATCPointer for airport " << icao << " not found\n";
+ }
+ }
+ break;
+ // Lets add the rest to get rid of the compiler warnings even though we don't need them yet.
+ case APPROACH:
+ break;
+ case ATIS:
+ cout << "ERROR - ATIS station should not be requested from FGATCMgr::GetATCPointer" << endl;
+ break;
+ case GROUND:
+ break;
+ case INVALID:
+ break;
+ case ENROUTE:
+ break;
+ case DEPARTURE:
+ break;
+ }
+
+ cout << "ERROR IN FGATCMgr - reached end of GetATCPointer\n";
+}
+
+
+
void FGATCMgr::Search() {
////////////////////////////////////////////////////////////////////////
// Comm1.
////////////////////////////////////////////////////////////////////////
+ //cout << "In FGATCMgr::Search() - atc_list.size = " << atc_list.size() << '\n';
comm1_freq = comm1_node->getDoubleValue();
- double lon = lon_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
- double lat = lat_node->getDoubleValue() * SGD_DEGREES_TO_RADIANS;
+ //cout << "************* comm1_freq = " << comm1_freq << '\n';
+ double lon = lon_node->getDoubleValue();
+ double lat = lat_node->getDoubleValue();
double elev = elev_node->getDoubleValue() * SG_FEET_TO_METER;
+ // Store the comm1_type
+ //atc_type old_comm1_type = comm1_type;
+
+// We must be able to generalise some of the repetetive searching below!
+
//Search for ATIS first
if(current_atislist->query(lon, lat, elev, comm1_freq, &atis)) {
//cout << "atis found in radiostack search !!!!" << endl;
- comm1_ident = atis.GetIdent();
- comm1_valid = true;
- if(last_comm1_ident != comm1_ident) {
- if(last_comm1_ident != "") {
- RemoveFromList(last_comm1_ident, ATIS);
+ //cout << "last_comm1_atis_ident = " << last_comm1_atis_ident << '\n';
+ //cout << "comm1_type " << comm1_type << '\n';
+ comm1_atis_ident = atis.GetIdent();
+ comm1_atis_valid = true;
+ if(last_comm1_atis_ident != comm1_atis_ident) {
+ if(last_comm1_atis_ident != "") {
+ RemoveFromList(last_comm1_atis_ident, ATIS);
}
- last_comm1_ident = comm1_ident;
+ last_comm1_atis_ident = comm1_atis_ident;
+ //cout << "last_comm1_atis_ident = " << last_comm1_atis_ident << '\n';
+ comm1_type = ATIS;
comm1_elev = atis.get_elev();
comm1_range = FG_ATIS_DEFAULT_RANGE;
comm1_effective_range = comm1_range;
atc_list.push_back(a);
//cout << "Found a new atis station in range" << endl;
//cout << " id = " << atis.GetIdent() << endl;
+ return; //This rather assumes that we never have more than one type of station in range.
+ }
+ } else {
+ if(comm1_atis_valid) {
+ //cout << "Removing ATIS " << comm1_atis_ident << " from list\n";
+ RemoveFromList(comm1_atis_ident, ATIS);
+ comm1_atis_valid = false;
+ if(comm1_type == ATIS) {
+ comm1_type = INVALID;
+ }
+ comm1_atis_ident = "";
+ //comm1_trans_ident = "";
+ last_comm1_atis_ident = "";
+ }
+ //cout << "not picking up atis" << endl;
+ }
+
+ //Next search for tower
+ //cout << "comm1_freq = " << comm1_freq << '\n';
+ if(current_towerlist->query(lon, lat, elev, comm1_freq, &tower)) {
+ //cout << "tower found in radiostack search !!!!" << endl;
+ comm1_tower_ident = tower.GetIdent();
+ //cout << "comm1_tower_ident = " << comm1_tower_ident << '\n';
+ comm1_tower_valid = true;
+ if(last_comm1_tower_ident != comm1_tower_ident) {
+ if(last_comm1_tower_ident != "") {
+ RemoveFromList(last_comm1_tower_ident, TOWER);
+ }
+ last_comm1_tower_ident = comm1_tower_ident;
+ comm1_type = TOWER;
+ comm1_elev = tower.get_elev();
+ comm1_range = FG_TOWER_DEFAULT_RANGE;
+ comm1_effective_range = comm1_range;
+ comm1_x = tower.get_x();
+ comm1_y = tower.get_y();
+ comm1_z = tower.get_z();
+ FGTower* t = new FGTower;
+ *t = tower;
+ t->SetDisplay();
+ atc_list.push_back(t);
+ //cout << "Found a new tower station in range" << endl;
+ //cout << " id = " << tower.GetIdent() << endl;
+ return; //This rather assumes that we never have more than one type of station in range.
+ }
+ } else {
+ if(comm1_tower_valid) {
+ //cout << "removing tower\n";
+ RemoveFromList(comm1_tower_ident, TOWER);
+ //comm1_valid = false;
+ if(comm1_type == TOWER) {
+ comm1_type = INVALID; // Only invalidate if we haven't switched it to something else
+ }
+ comm1_tower_valid = false;
+ comm1_tower_ident = "";
+ last_comm1_tower_ident = "";
+ //comm1_ident = "";
+ //comm1_trans_ident = "";
+ //last_comm1_ident = "";
+ }
+ //cout << "not picking up tower" << endl;
+ }
+/*
+ //Next search for Ground control
+ if(current_groundlist->query(lon, lat, elev, comm1_freq, &ground)) {
+ //cout << "Ground Control found in radiostack search !!!!" << endl;
+ comm1_ident = ground.GetIdent();
+ comm1_valid = true;
+ if((last_comm1_ident != comm1_ident) || (comm1_type != GROUND)) {
+ if(last_comm1_ident != "") {
+ RemoveFromList(last_comm1_ident, GROUND);
+ }
+ last_comm1_ident = comm1_ident;
+ comm1_type = GROUND;
+ comm1_elev = ground.get_elev();
+ comm1_range = FG_GROUND_DEFAULT_RANGE;
+ comm1_effective_range = comm1_range;
+ comm1_x = ground.get_x();
+ comm1_y = ground.get_y();
+ comm1_z = ground.get_z();
+ FGGround* g = new FGGround;
+ *g = ground;
+ g->SetDisplay();
+ atc_list.push_back(g);
+ // For now we will automatically make contact with ground when the radio is tuned.
+ // This rather assumes that the user tunes the radio at the appropriate place
+ // (ie. having just turned off the runway) and only uses ground control on arrival
+ // but its a start!
+ g->NewArrival(current_plane);
+ //cout << "Found a new ground station in range" << endl;
+ //cout << " id = " << ground.GetIdent() << endl;
+ return; //This rather assumes that we never have more than one type of station in range.
}
} else {
- if(comm1_valid) {
- RemoveFromList(comm1_ident, ATIS);
+ if((comm1_valid) && (comm1_type == GROUND)) {
+ RemoveFromList(comm1_ident, GROUND);
comm1_valid = false;
+ comm1_type = INVALID;
comm1_ident = "";
//comm1_trans_ident = "";
last_comm1_ident = "";
}
- //cout << "not picking up atis" << endl;
+ //cout << "not picking up ground control" << endl;
+ }
+*/
+// ================================================================================
+// Search for Approach stations
+// ================================================================================
+ // init number of approach stations reachable by plane
+ int num_app = 0;
+
+ // search stations in range
+ current_approachlist->query_bck(lon, lat, elev, approaches, max_app, num_app);
+ if (num_app != 0) {
+ //cout << num_app << " approaches found in radiostack search !!!!" << endl;
+
+ for ( int i=0; i<num_app; i++ ) {
+ bool new_app = true;
+ approach_ident = approaches[i].GetIdent();
+
+ // check if station already exists on ATC stack
+ atc_list_itr = atc_list.begin();
+ while(atc_list_itr != atc_list.end()) {
+ //cout << "ATC list: " << (*atc_list_itr)->GetIdent() << endl;
+ if((!strcmp((*atc_list_itr)->GetIdent(), approach_ident))
+ && ((*atc_list_itr)->GetType() == APPROACH) ) {
+ new_app = false;
+ string pid = "Player";
+ (*atc_list_itr)->AddPlane(pid);
+ (*atc_list_itr)->Update();
+ break;
+ }
+ ++atc_list_itr;
+ }
+ // generate new Approach on ATC stack
+ if (new_app) {
+ FGApproach* a = new FGApproach;
+ *a = approaches[i];
+ string pid = "Player";
+ a->AddPlane(pid);
+ a->Update();
+ a->SetDisplay();
+ atc_list.push_back(a);
+ //cout << "Found a new approach station in range: Id = "
+ // << approaches[i].GetIdent() << endl;
+ }
+ }
+ }
+
+ // remove planes which are out of range
+ atc_list_itr = atc_list.begin();
+ while(atc_list_itr != atc_list.end()) {
+ if((*atc_list_itr)->GetType() == APPROACH ) {
+ int np = (*atc_list_itr)->RemovePlane();
+ // if approach has no planes left remove it from ATC list
+ if ( np == 0) {
+ (*atc_list_itr)->SetNoDisplay();
+ (*atc_list_itr)->Update();
+ delete (*atc_list_itr);
+ atc_list_itr = atc_list.erase(atc_list_itr);
+ break; // the other stations will be checked next time
+ }
+ }
+ ++atc_list_itr;
}
}
#include <Main/fgfs.hxx>
#include <Main/fg_props.hxx>
+#include <string>
#include <list>
+#include <map>
#include "atis.hxx"
+#include "tower.hxx"
+#include "approach.hxx"
+//#include "ground.hxx"
#include "ATC.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 <FGATC*> atc_list_type;
typedef atc_list_type::iterator atc_list_iterator;
double lat;
double elev;
+ // Type of ATC control that the user's radios are tuned to.
atc_type comm1_type;
atc_type comm2_type;
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* last_comm2_ident;
FGATIS atis;
- //FGTower tower;
//FGGround ground;
- //FGApproach approach;
+ FGTower tower;
+ FGApproach approaches[max_app];
+ FGApproach approach;
//FGDeparture departure;
public:
void update(int 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);
+
private:
// Remove a class from the atc_list and delete it from memory
libATC_a_SOURCES = \
ATC.hxx ATC.cxx \
+ atis.hxx atis.cxx atislist.hxx atislist.cxx \
+ tower.hxx tower.cxx towerlist.hxx towerlist.cxx \
+ approach.hxx approach.cxx approachlist.hxx approachlist.cxx \
ATCdisplay.hxx ATCdisplay.cxx \
ATCmgr.hxx ATCmgr.cxx \
- atis.cxx atis.hxx \
- atislist.hxx atislist.cxx
+ ATCutils.hxx ATCutils.cxx \
+ AIMgr.hxx AIMgr.cxx \
+ AIEntity.hxx AIEntity.cxx \
+ AILocalTraffic.hxx AILocalTraffic.cxx
if OLD_AUTOMAKE
INCLUDES += -I$(top_srcdir) -I$(top_srcdir)/src
--- /dev/null
+// FGApproach - a class to provide approach control at larger airports.
+//
+// Written by Alexander Kappes, started March 2002.
+//
+// Copyright (C) 2002 Alexander Kappes
+//
+// 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.
+
+#include "approach.hxx"
+#include "ATCdisplay.hxx"
+#include <Airports/runways.hxx>
+
+#include <simgear/misc/sg_path.hxx>
+#include <WeatherCM/FGLocalWeatherDatabase.h>
+
+
+//Constructor
+FGApproach::FGApproach(){
+ comm1_node = fgGetNode("/radios/comm[0]/frequencies/selected-mhz", true);
+ comm2_node = fgGetNode("/radios/comm[1]/frequencies/selected-mhz", true);
+
+ num_planes = 0;
+ lon_node = fgGetNode("/position/longitude-deg", true);
+ lat_node = fgGetNode("/position/latitude-deg", true);
+ elev_node = fgGetNode("/position/altitude-ft", true);
+ first = true;
+ active_runway = "";
+ for ( int i=0; i<max_planes; i++) {
+ planes[i].contact = 0;
+ planes[i].wpn = 0;
+ planes[i].dnwp = -999.;
+ planes[i].on_crs = true;
+ }
+}
+
+//Destructor
+FGApproach::~FGApproach(){
+}
+
+void FGApproach::Init() {
+ display = false;
+}
+
+// ============================================================================
+// the main update function
+// ============================================================================
+void FGApproach::Update() {
+
+ int wpn;
+ double course, d;
+
+ update_plane_dat();
+ if ( active_runway == "" ) get_active_runway();
+
+ for ( int i=0; i<num_planes; i++ ) {
+
+ if ( planes[i].contact == 0) {
+ double comm1_freq = comm1_node->getDoubleValue();
+ if ( (int)(comm1_freq*100.0 + 0.5) == freq ) planes[i].contact = 1;
+ }
+ else if ( planes[i].contact == 1 ) {
+ if ( planes[i].wpn == 0 ) { // calculate initial waypoints
+ wpn = planes[i].wpn;
+ // airport
+ planes[i].wpts[wpn][0] = active_rw_hdg;
+ planes[i].wpts[wpn][1] = 0.0;
+ planes[i].wpts[wpn][2] = elev;
+ planes[i].wpts[wpn][4] = 0.0;
+ planes[i].wpts[wpn][5] = 0.0;
+ wpn += 1;
+
+ planes[i].wpts[wpn][0] = active_rw_hdg + 180.0;
+ if ( planes[i].wpts[wpn][0] > 360.0 ) planes[i].wpts[wpn][0] -= 360.0;
+ planes[i].wpts[wpn][1] = 5;
+ planes[i].wpts[wpn][2] = elev + 1000.0;
+ calc_hd_course_dist(planes[i].wpts[wpn][0], planes[i].wpts[wpn][1],
+ planes[i].wpts[wpn-1][0], planes[i].wpts[wpn-1][1],
+ &course, &d);
+ planes[i].wpts[wpn][4] = course;
+ planes[i].wpts[wpn][5] = d;
+ wpn += 1;
+
+ planes[i].wpts[wpn][0] = planes[i].brg;
+ planes[i].wpts[wpn][1] = planes[i].dist;
+ planes[i].wpts[wpn][2] = planes[i].alt;
+ calc_hd_course_dist(planes[i].wpts[wpn][0], planes[i].wpts[wpn][1],
+ planes[i].wpts[wpn-1][0], planes[i].wpts[wpn-1][1],
+ &course, &d);
+ planes[i].wpts[wpn][4] = course;
+ planes[i].wpts[wpn][5] = d;
+ wpn += 1;
+
+ planes[i].wpn = wpn;
+
+ planes[i].ahdg = planes[i].wpts[wpn-1][4];
+ cout << endl;
+ cout << "Contact " << planes[i].wpn << endl;
+ cout << "Turn to heading = " << (int)(planes[i].ahdg) << endl;
+ cout << endl;
+ planes[i].on_crs = true;
+ }
+
+ // reached waypoint?
+ if ( fabs(planes[i].dnc) < 0.3 && planes[i].dnwp < 1.0 ) {
+ planes[i].wpn -= 1;
+ wpn = planes[i].wpn-1;
+ planes[i].ahdg = planes[i].wpts[wpn][4];
+ cout << endl;
+ cout << "Next waypoint = " << planes[i].wpn << endl;
+ cout << "New heading = " << planes[i].ahdg << endl;
+ cout << endl;
+ planes[i].on_crs = true;
+ }
+
+ // update assigned parameters
+ wpn = planes[i].wpn-1; // this is the current waypoint
+
+ planes[i].dcc = calc_psl_dist(planes[i].brg, planes[i].dist,
+ planes[i].wpts[wpn][0], planes[i].wpts[wpn][1],
+ planes[i].wpts[wpn][4]);
+ planes[i].dnc = calc_psl_dist(planes[i].brg, planes[i].dist,
+ planes[i].wpts[wpn-1][0], planes[i].wpts[wpn-1][1],
+ planes[i].wpts[wpn-1][4]);
+ calc_hd_course_dist(planes[i].brg, planes[i].dist,
+ planes[i].wpts[wpn-1][0], planes[i].wpts[wpn-1][1],
+ &course, &d);
+ planes[i].dnwp = d;
+
+ //cout << planes[i].brg << " " << planes[i].dist << " " << planes[i].wpts[wpn+1][0]
+ //<< " " << planes[i].wpts[wpn+1][1] << " " << planes[i].wpts[wpn+1][4]
+ //cout << " distance to current course = " << planes[i].dcc << endl;
+
+ // come off course ?
+ if ( fabs(planes[i].dcc) > 0.5 && planes[i].on_crs) {
+ wpn = wpn-1;
+ if ( planes[i].wpts[wpn][4] < 0) {
+ planes[i].ahdg += 30.0;
+ }
+ else {
+ planes[i].ahdg -= 30.0;
+ }
+ planes[i].on_crs = false;
+
+ cout << endl;
+ cout << "Your are " << planes[i].dcc << " miles off the asigned course: " << endl;
+ cout << "New heading = " << (int)(planes[i].ahdg) << endl;
+ cout << endl;
+ }
+ else if ( fabs(planes[i].dcc) < 0.1 && !planes[i].on_crs) {
+ planes[i].ahdg = fabs(planes[i].wpts[wpn][4]);
+ planes[i].on_crs = true;
+
+ cout << endl;
+ cout << "New heading = " << (int)(planes[i].ahdg) << endl;
+ cout << endl;
+ }
+
+ // In range of tower?
+ if ( planes[i].wpn == 2 && planes[i].dnwp < 3. ) {
+ cout << endl;
+ cout << "Contact Tower";
+ cout << endl;
+ planes[i].contact = 2;
+ }
+ }
+ }
+
+}
+
+// ============================================================================
+// get active runway
+// ============================================================================
+void FGApproach::get_active_runway() {
+
+ sgVec3 position = { lat, lon, elev };
+ FGPhysicalProperty stationweather = WeatherDatabase->get(position);
+
+ SGPath path( globals->get_fg_root() );
+ path.append( "Airports" );
+ path.append( "runways.mk4" );
+ FGRunways runways( path.c_str() );
+
+ //Set the heading to into the wind
+ double wind_x = stationweather.Wind[0];
+ double wind_y = stationweather.Wind[1];
+
+ double speed = sqrt( wind_x*wind_x + wind_y*wind_y ) * SG_METER_TO_NM / (60.0*60.0);
+ double hdg;
+
+ //If no wind use 270degrees
+ if(speed == 0) {
+ hdg = 270;
+ } else {
+ // //normalize the wind to get the direction
+ //wind_x /= speed; wind_y /= speed;
+
+ hdg = - atan2 ( wind_x, wind_y ) * SG_RADIANS_TO_DEGREES ;
+ if (hdg < 0.0)
+ hdg += 360.0;
+ }
+
+ FGRunway runway;
+ if ( runways.search( ident, int(hdg), &runway) ) {
+ active_runway = runway.rwy_no;
+ active_rw_hdg = runway.heading;
+ //cout << "Active runway is: " << active_runway << " heading = "
+ // << active_rw_hdg << endl;
+ }
+ else cout << "FGRunways search failed" << endl;
+
+}
+
+// ========================================================================
+// update infos about plane
+// ========================================================================
+void FGApproach::update_plane_dat() {
+
+ //cout << "Update Approach " << ident << " " << num_planes << " registered" << endl;
+ // update plane positions
+ for (int i=0; i<num_planes; i++) {
+ planes[i].lon = lon_node->getDoubleValue();
+ planes[i].lat = lat_node->getDoubleValue();
+ planes[i].alt = elev_node->getDoubleValue();
+// Point3D aircraft = sgGeodToCart( Point3D(planes[i].lon*SGD_DEGREES_TO_RADIANS,
+// planes[i].lat*SGD_DEGREES_TO_RADIANS,
+// planes[i].alt*SG_FEET_TO_METER) );
+ double course, distance;
+ calc_gc_course_dist(Point3D(lon*SGD_DEGREES_TO_RADIANS, lat*SGD_DEGREES_TO_RADIANS, 0.0),
+ Point3D(planes[i].lon*SGD_DEGREES_TO_RADIANS,planes[i].lat*SGD_DEGREES_TO_RADIANS, 0.0 ),
+ &course, &distance);
+ planes[i].dist = distance/SG_NM_TO_METER;
+ planes[i].brg = 360.0-course*SGD_RADIANS_TO_DEGREES;
+
+ //cout << "Plane Id: " << planes[i].ident << " Distance to " << ident
+ //<< " is " << planes[i].dist << " m" << endl;
+
+ //if (first) {
+ //transmission = ident;
+ //globals->get_ATC_display()->RegisterRepeatingMessage(transmission);
+ //first = false;
+ //}
+ }
+}
+
+// =======================================================================
+// Add plane to Approach list
+// =======================================================================
+void FGApproach::AddPlane(string pid) {
+ for ( int i=0; i<num_planes; i++) {
+ if ( planes[i].ident == pid) {
+ //cout << "Plane already registered: " << ident << " " << num_planes << endl;
+ return;
+ }
+ }
+ planes[num_planes].ident = pid;
+ ++num_planes;
+ //cout << "Plane added to list: " << ident << " " << num_planes << endl;
+ return;
+}
+
+// ========================================================================
+// closest distance between a point and a straigt line in 2 dim.
+// ========================================================================
+double FGApproach::calc_psl_dist(const double &h1, const double &d1,
+ const double &h2, const double &d2,
+ const double &h3)
+{
+ double a1 = h1 * SGD_DEGREES_TO_RADIANS;
+ double a2 = h2 * SGD_DEGREES_TO_RADIANS;
+ double a3 = h3 * SGD_DEGREES_TO_RADIANS;
+ double x1 = cos(a1) * d1;
+ double y1 = sin(a1) * d1;
+ double x2 = cos(a2) * d2;
+ double y2 = sin(a2) * d2;
+ double x3 = cos(a3);
+ double y3 = sin(a3);
+
+ // formula: dis = sqrt( (v1-v2)**2 - ((v1-v2)*v3)**2 ); vi = (xi,yi)
+ double val1 = (x1-x2)*(x1-x2) + (y1-y2)*(y1-y2);
+ double val2 = ((x1-x2)*x3 + (y1-y2)*y3) * ((x1-x2)*x3 + (y1-y2)*y3);
+ double dis = val1 - val2;
+ // now get sign for offset
+ //cout << x1 << " " << x2 << " " << y1 << " " << y2 << " "
+ // << x3 << " " << y3 << " "
+ // << val1 << " " << val2 << " " << dis << endl;
+ x3 *= sqrt(val2);
+ y3 *= sqrt(val2);
+ if ( x3*(x1-x2) < 0.0 && y3*(y1-y2) < 0.0) {
+ x3 *= -1.0;
+ y3 *= -1.0;
+ }
+ //cout << x3 << " " << y3 << endl;
+ double dis1 = x1-x2-x3;
+ double dis2 = y1-y2-y3;
+ dis = sqrt(dis);
+ if (atan2(dis2,dis1) < a3) dis *= -1.0;
+ //cout << dis1 << " " << dis2 << " " << atan2(dis2,dis1)*SGD_RADIANS_TO_DEGREES << " " << h3
+ // << " " << sqrt(dis1*dis1 + dis2*dis2) << " " << dis << endl;
+ //cout << atan2(dis2,dis1)*SGD_RADIANS_TO_DEGREES << " " << dis << endl;
+
+ return dis;
+}
+
+// ========================================================================
+// get heading and distance between two points; point1 ---> point2
+// ========================================================================
+void FGApproach::calc_hd_course_dist(const double &h1, const double &d1,
+ const double &h2, const double &d2,
+ double *course, double *dist)
+{
+ double a1 = h1 * SGD_DEGREES_TO_RADIANS;
+ double a2 = h2 * SGD_DEGREES_TO_RADIANS;
+ double x1 = cos(a1) * d1;
+ double y1 = sin(a1) * d1;
+ double x2 = cos(a2) * d2;
+ double y2 = sin(a2) * d2;
+
+ *dist = sqrt( (y2-y1)*(y2-y1) + (x2-x1)*(x2-x1) );
+ *course = atan2( (y2-y1), (x2-x1) ) * SGD_RADIANS_TO_DEGREES;
+ if ( *course < 0 ) *course = *course+360;
+ //cout << x1 << " " << y1 << " " << x2 << " " << y2 << " " << *dist << " " << *course << endl;
+}
+
+
+
+int FGApproach::RemovePlane() {
+
+ // first check if anything has to be done
+ bool rmplane = false;
+ for (int i=0; i<num_planes; i++) {
+ if (planes[i].dist > range*SG_NM_TO_METER) {
+ rmplane = true;
+ break;
+ }
+ }
+ if (!rmplane) return num_planes;
+
+ // now make a copy of the plane list
+ PlaneApp tmp[max_planes];
+ for (int i=0; i<num_planes; i++) {
+ tmp[i] = planes[i];
+ }
+
+ int np = 0;
+ // now check which planes are still in range
+ for (int i=0; i<num_planes; i++) {
+ if (tmp[i].dist <= range*SG_NM_TO_METER) {
+ planes[np] = tmp[i];
+ np += 1;
+ }
+ }
+ num_planes = np;
+ return num_planes;
+}
\ No newline at end of file
--- /dev/null
+// approach.hxx -- Approach class
+//
+// Written by Alexander Kappes, started March 2002.
+//
+// Copyright (C) 2002 Alexander Kappes
+//
+// 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_APPROACH_HXX
+#define _FG_APPROACH_HXX
+
+#include <stdio.h>
+
+#include <simgear/compiler.h>
+#include <simgear/math/sg_geodesy.hxx>
+#include <simgear/misc/sgstream.hxx>
+#include <simgear/magvar/magvar.hxx>
+#include <simgear/timing/sg_time.hxx>
+#include <simgear/bucket/newbucket.hxx>
+
+#include <Main/fg_props.hxx>
+
+#ifdef SG_HAVE_STD_INCLUDES
+# include <istream>
+#include <iomanip>
+#elif defined( SG_HAVE_NATIVE_SGI_COMPILERS )
+# include <iostream.h>
+#elif defined( __BORLANDC__ )
+# include <iostream>
+#else
+# include <istream.h>
+#include <iomanip.h>
+#endif
+
+#if ! defined( SG_HAVE_NATIVE_SGI_COMPILERS )
+SG_USING_STD(istream);
+#endif
+
+SG_USING_STD(string);
+
+#include "ATC.hxx"
+
+//DCL - a complete guess for now.
+#define FG_APPROACH_DEFAULT_RANGE 100
+
+// Contains all information about a plane that the approach control needs
+const int max_planes = 20; // max number of planes on the stack
+const int max_wp = 10; // max number of waypoints for approach phase
+struct PlaneApp {
+
+ // variables for plane if it's on the radar
+ string ident; // indentification of plane
+ double lon; // longitude in degrees
+ double lat; // latitude in degrees
+ double alt; // Altitute above sea level in feet
+ double hdg; // heading of plane in degrees
+ double dist; // distance to airport in miles
+ double brg; // bearing relative to airport in degrees
+ double spd; // speed above ground
+ int contact; // contact with approach established?
+ // 0 = no contact yet
+ // 1 = in contact
+ // 2 = handed off to tower
+
+ // additional variables if contact has been established
+ int wpn; // number of waypoints
+ double wpts[max_wp][6]; // assigned waypoints for approach phase
+ // first wp in list is airport
+ // last waypoint point at which contact was established
+ // second index: 0 = bearing to airport
+ // second index: 1 = distance to aiport
+ // second index: 2 = alt
+ // second index: 3 = ETA
+ // second index: 4 = heading to next waypoint
+ // second index: 5 = distance to next waypoint
+
+ double dnwp; // distance to next waypoint
+ double dcc; // closest distance to current assigned course
+ double dnc; // closest distance to course from next to next to next wp
+ double aalt; // assigned alt at next waypoint
+ double ahdg; // assigned heading
+ bool on_crs; // is the plane on course?
+ double tlm; // time when last message was sent
+};
+
+
+class FGApproach : public FGATC {
+
+ char type;
+ double lon, lat;
+ double elev;
+ double x, y, z;
+ int freq;
+ int bucket;
+ double range;
+
+ string active_runway;
+ double active_rw_hdg;
+
+ bool display; // Flag to indicate whether we should be outputting to the display.
+ bool displaying; // Flag to indicate whether we are outputting to the display.
+ string ident; // Code of the airport its at.
+ string name; // Name transmitted in the broadcast.
+ int num_planes; // number of planes on the stack
+ PlaneApp planes[max_planes]; // Array of planes
+ string transmission;
+ bool first;
+
+ SGPropertyNode *comm1_node;
+ SGPropertyNode *comm2_node;
+
+ // for failure modeling
+ string trans_ident; // transmitted ident
+ bool approach_failed; // approach failed?
+
+public:
+
+ FGApproach(void);
+ ~FGApproach(void);
+
+ void Init();
+
+ void Update();
+
+ // Add new plane to stack if not already registered
+ // Input: pid - id of plane (name)
+ // Output: "true" if added; "false" if already existend
+ void AddPlane(string pid);
+
+ // Remove plane from stack if out of range
+ int RemovePlane();
+
+ //Indicate that this instance should be outputting to the ATC display
+ inline void SetDisplay(void) {display = true;}
+
+ //Indicate that this instance should not be outputting to the ATC display
+ inline void SetNoDisplay(void) {display = false;}
+
+ inline char get_type() const { return type; }
+ inline double get_lon() const { return lon; }
+ inline double get_lat() const { return lat; }
+ inline double get_elev() const { return elev; }
+ inline double get_x() const { return x; }
+ inline double get_y() const { return y; }
+ inline double get_z() const { return z; }
+ inline double get_bucket() const { return bucket; }
+ inline int get_freq() const { return freq; }
+ inline double get_range() const { return range; }
+ inline int get_pnum() const { return num_planes; }
+ inline const char* GetIdent() { return ident.c_str(); }
+ inline string get_trans_ident() { return trans_ident; }
+ inline string get_name() { return name; }
+ inline atc_type GetType() { return APPROACH; }
+
+private:
+
+ void update_plane_dat();
+
+ void get_active_runway();
+
+// ========================================================================
+// get heading and distance between two points; point2 ---> point1
+// input: point1 = heading in degrees, distance
+// input: point2 = heading in degrees, distance
+// ouput: course in degrees, distance
+// ========================================================================
+ void calc_hd_course_dist(const double &h1, const double &d1,
+ const double &h2, const double &d2,
+ double *course, double *dist);
+
+// ========================================================================
+// closest distance between a point and a straigt line in 2 dim.
+// the input variables are given in (heading, distance)
+// relative to a common point
+// input: point = heading in degrees, distance
+// input: straigt line = anker vector (heading in degrees, distance),
+// heading of direction vector
+// output: distance
+// ========================================================================
+ double calc_psl_dist(const double &h1, const double &d1,
+ const double &h2, const double &d2,
+ const double &h3);
+
+ // Pointers to current users position
+ SGPropertyNode *lon_node;
+ SGPropertyNode *lat_node;
+ SGPropertyNode *elev_node;
+
+ //Update the transmission string
+ void UpdateTransmission(void);
+
+ friend istream& operator>> ( istream&, FGApproach& );
+};
+
+
+inline istream&
+operator >> ( istream& in, FGApproach& a )
+{
+ double f;
+ char ch;
+
+ static bool first_time = true;
+ static double julian_date = 0;
+ static const double MJD0 = 2415020.0;
+ if ( first_time ) {
+ julian_date = sgTimeCurrentMJD(0, 0) + MJD0;
+ first_time = false;
+ }
+
+ in >> a.type;
+
+ if ( a.type == '[' )
+ return in >> skipeol;
+
+ in >> a.lat >> a.lon >> a.elev >> f >> a.range
+ >> a.ident;
+
+ a.name = "";
+ in >> ch;
+ a.name += ch;
+ while(1) {
+ //in >> noskipws
+ in.unsetf(ios::skipws);
+ in >> ch;
+ a.name += ch;
+ if((ch == '"') || (ch == 0x0A)) {
+ break;
+ } // we shouldn't need the 0x0A but it makes a nice safely in case someone leaves off the "
+ }
+ in.setf(ios::skipws);
+ //cout << "approach.name = " << a.name << '\n';
+
+ a.freq = (int)(f*100.0 + 0.5);
+
+ // generate cartesian coordinates
+ Point3D geod( a.lon * SGD_DEGREES_TO_RADIANS , a.lat * SGD_DEGREES_TO_RADIANS,
+ a.elev * SG_FEET_TO_METER );
+ Point3D cart = sgGeodToCart( geod );
+ a.x = cart.x();
+ a.y = cart.y();
+ a.z = cart.z();
+
+ // get bucket number
+ SGBucket buck(a.lon, a.lat);
+ a.bucket = buck.gen_index();
+
+ a.trans_ident = a.ident;
+ a.approach_failed = false;
+
+ return in >> skipeol;
+}
+
+#endif // _FG_APPROACH_HXX
\ No newline at end of file
--- /dev/null
+// approachlist.cxx -- Approach data management class
+//
+// Written by Alexander Kappes, started March 2002.
+// Based on navlist.cxx by Curtis Olson, started April 2000.
+//
+// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
+//
+// 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.
+//
+// $Id$
+
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <simgear/debug/logstream.hxx>
+#include <simgear/misc/sgstream.hxx>
+#include <simgear/math/sg_geodesy.hxx>
+
+#include "approachlist.hxx"
+
+
+FGApproachList *current_approachlist;
+
+
+// Constructor
+FGApproachList::FGApproachList( void ) {
+}
+
+
+// Destructor
+FGApproachList::~FGApproachList( void ) {
+}
+
+
+// load the approach data and build the map
+bool FGApproachList::init( SGPath path ) {
+
+ approachlist_freq.erase( approachlist_freq.begin(), approachlist_freq.end() );
+ approachlist_bck.erase( approachlist_bck.begin(), approachlist_bck.end() );
+
+ sg_gzifstream in( path.str() );
+ if ( !in.is_open() ) {
+ SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << path.str() );
+ exit(-1);
+ }
+
+ // read in each line of the file
+
+ // in >> skipeol;
+ in >> skipcomment;
+
+ cout << " APPROACH " << endl;
+#ifdef __MWERKS__
+ char c = 0;
+ while ( in.get(c) && c != '\0' ) {
+ in.putback(c);
+#else
+ while ( !in.eof() ) {
+#endif
+
+ FGApproach a;
+ in >> a;
+ if ( a.get_type() == '[' ) {
+ break;
+ }
+ //cout << " type = " << a.get_type() << endl;
+ //cout << " lon = " << a.get_lon() << endl;
+ //cout << " lat = " << a.get_lat() << endl;
+ //cout << " elev = " << a.get_elev() << endl;
+ //cout << " freq = " << a.get_freq() << endl;
+ //cout << " Airport Code = " << a.GetIdent() << endl;
+ //cout << " Name = " << a.get_name() << endl;
+
+ approachlist_freq[a.get_freq()].push_back(a);
+ approachlist_bck[a.get_bucket()].push_back(a);
+ in >> skipcomment;
+
+ }
+
+ return true;
+}
+
+
+// query the database for the specified frequency, lon and lat are in
+// degrees, elev is in meters
+bool FGApproachList::query_freq( double lon, double lat, double elev, double freq,
+ FGApproach *a )
+{
+ lon *= SGD_DEGREES_TO_RADIANS;
+ lat *= SGD_DEGREES_TO_RADIANS;
+
+ approach_list_type stations = approachlist_freq[(int)(freq*100.0 + 0.5)];
+
+ approach_list_iterator current = stations.begin();
+ approach_list_iterator last = stations.end();
+
+ // double az1, az2, s;
+ Point3D aircraft = sgGeodToCart( Point3D(lon, lat, elev) );
+ Point3D station;
+ double d;
+ for ( ; current != last ; ++current ) {
+ //cout << "testing " << current->GetIdent() << endl;
+ station = Point3D(current->get_x(), current->get_y(), current->get_z());
+ //cout << "aircraft = " << aircraft << endl;
+ //cout << "station = " << station << endl;
+
+ d = aircraft.distance3Dsquared( station );
+
+ //cout << " dist = " << sqrt(d)
+ // << " range = " << current->get_range() * SG_NM_TO_METER << endl;
+ //cout << " Aircraft: lon = " << lon << " lat = " << lat
+ // << " elev = " << elev << endl;
+ //cout << " Airport: lon = " << current->get_lon()
+ // << " lat = " << current->get_lat()
+ // << " elev = " << current->get_elev()
+ // << " z = " << current->get_z() << endl;
+
+ // match up to twice the published range so we can model
+ // reduced signal strength
+ if ( d < (2 * current->get_range() * SG_NM_TO_METER
+ * 2 * current->get_range() * SG_NM_TO_METER ) ) {
+ //cout << "matched = " << current->GetIdent() << endl;
+ *a = *current;
+ return true;
+ }
+ }
+ return false;
+}
+
+// query the database for the specified frequency, lon and lat are in
+// degrees, elev is in meters
+bool FGApproachList::query_bck( double lon, double lat, double elev, FGApproach *a,
+ int max_app, int &num_app)
+{
+
+ // get bucket number for plane position
+ SGBucket buck(lon, lat);
+
+ //cout << "plane bucket" << bucket << endl;
+
+ // get neigboring buckets
+ double max_range = 100;
+ int bx = int ( max_range*SG_NM_TO_METER / buck.get_width_m() / 2);
+ int by = int ( max_range*SG_NM_TO_METER / buck.get_height_m() / 2 );
+
+ // loop over bucket range
+ for ( int i=-bx; i<bx; i++) {
+ for ( int j=-by; j<by; j++) {
+ buck = sgBucketOffset(lon, lat, i, j);
+ long int bucket = buck.gen_index();
+ //cout << "bucket number = " << bucket << endl;
+ approach_list_type stations = approachlist_bck[bucket];
+ approach_list_iterator current = stations.begin();
+ approach_list_iterator last = stations.end();
+
+ double rlon = lon * SGD_DEGREES_TO_RADIANS;
+ double rlat = lat * SGD_DEGREES_TO_RADIANS;
+
+ // double az1, az2, s;
+ Point3D aircraft = sgGeodToCart( Point3D(rlon, rlat, elev) );
+ Point3D station;
+ double d;
+ for ( ; current != last ; ++current ) {
+ station = Point3D(current->get_x(), current->get_y(), current->get_z());
+ d = aircraft.distance3Dsquared( station );
+ /*
+ cout << " dist = " << sqrt(d)
+ << " range = " << current->get_range() * SG_NM_TO_METER << endl;
+ cout << " Aircraft: lon = " << lon
+ << " lat = " << lat/SGD_DEGREES_TO_RADIANS
+ << " bucket = " << bucket
+ << " elev = " << elev << endl;
+ cout << " Airport: Id = " << current->GetIdent()
+ << " lon = " << current->get_lon()
+ << " lat = " << current->get_lat()
+ << " elev = " << current->get_elev()
+ << " bucket = " << current->get_bucket()
+ << " z = " << current->get_z() << endl;
+ */
+ // match up to twice the published range so we can model
+ // reduced signal strength
+ if ( d < (current->get_range() * SG_NM_TO_METER
+ * current->get_range() * SG_NM_TO_METER ) ) {
+ //cout << "matched = " << current->GetIdent() << endl;
+ if (num_app < max_app) {
+ a[num_app] = *current;
+ num_app += 1;
+ }
+ else {
+ cout << "Approachlist error: Too many stations in range" << endl;
+ }
+
+ //return true;
+ }
+ }
+ }
+ }
+ return true; //DCL - added this to prevent a compiler warning
+}
+
+
+bool FGApproachList::get_name( string apt_id )
+{
+ string name;
+ double freq = 125.22;
+
+ approach_list_type stations = approachlist_freq[(int)(freq*100.0 + 0.5)];
+
+ approach_list_iterator current = stations.begin();
+ approach_list_iterator last = stations.end();
+
+ if(current != last) {
+ cout << "ApproachList" << endl;
+ cout << "name" << current->get_name() << endl;
+ cout << "bucket" << current->get_bucket() << endl;
+ }
+
+ return 0;
+
+}
\ No newline at end of file
--- /dev/null
+// approachlist.hxx -- approach management class
+//
+// Written by Alexander Kappes, started March 2002.
+// Based on navlist.hxx by Curtis Olson, started April 2000.
+//
+// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
+//
+// 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_APPROACHLIST_HXX
+#define _FG_APPROACHLIST_HXX
+
+
+#include <simgear/compiler.h>
+#include <simgear/misc/sg_path.hxx>
+
+#include <map>
+#include <vector>
+
+#include "approach.hxx"
+
+SG_USING_STD(map);
+SG_USING_STD(vector);
+
+
+class FGApproachList {
+
+ // convenience types
+ typedef vector < FGApproach > approach_list_type;
+ typedef approach_list_type::iterator approach_list_iterator;
+ typedef approach_list_type::const_iterator approach_list_const_iterator;
+
+ // typedef map < int, approach_list_type, less<int> > approach_map_type;
+ typedef map < int, approach_list_type > approach_map_type;
+ typedef approach_map_type::iterator approach_map_iterator;
+ typedef approach_map_type::const_iterator approach_map_const_iterator;
+
+ approach_map_type approachlist_freq;
+ approach_map_type approachlist_bck;
+
+public:
+
+ FGApproachList();
+ ~FGApproachList();
+
+ // load the approach data and build the map
+ bool init( SGPath path );
+
+ // query the database for the specified frequency, lon and lat are
+ // in degrees, elev is in meters
+ bool query_freq( double lon, double lat, double elev, double freq, FGApproach *a );
+
+ // query the database for the specified bucket number, lon and lat are
+ // in degrees
+ bool query_bck( double lon, double lat, double elev, FGApproach *a, int max_app, int &num_app );
+
+ bool get_name( string apt_id );
+
+};
+
+
+extern FGApproachList *current_approachlist;
+
+
+#endif // _FG_APPROACHLIST_HXX
-// atislist.cxx -- navaids management class
+// atislist.cxx -- ATIS data management class
//
// Written by David Luff, started October 2001.
// Based on navlist.cxx by Curtis Olson, started April 2000.
// read in each line of the file
- // in >> skipeol;
in >> skipcomment;
- // double min = 100000;
- // double max = 0;
-
#ifdef __MWERKS__
char c = 0;
while ( in.get(c) && c != '\0' ) {
in.putback(c);
#else
- while ( ! in.eof() ) {
+ while ( !in.eof() ) {
#endif
FGATIS a;
atislist[a.get_freq()].push_back(a);
in >> skipcomment;
- /* if ( a.get_type() != 'N' ) {
- if ( a.get_freq() < min ) {
- min = a.get_freq();
- }
- if ( a.get_freq() > max ) {
- max = a.get_freq();
- }
- } */
}
- // cout << "min freq = " << min << endl;
- // cout << "max freq = " << max << endl;
-
return true;
}
bool FGATISList::query( double lon, double lat, double elev, double freq,
FGATIS *a )
{
+ lon *= SGD_DEGREES_TO_RADIANS;
+ lat *= SGD_DEGREES_TO_RADIANS;
+
atis_list_type stations = atislist[(int)(freq*100.0 + 0.5)];
atis_list_iterator current = stations.begin();
--- /dev/null
+// FGGround - a class to provide ground control at larger airports.
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+#include "ground.hxx"
+
+void FGGround::Init() {
+ display = false;
+}
+
+void FGGround::Update() {
+ // Each time step, what do we need to do?
+ // We need to go through the list of outstanding requests and acknowedgements
+ // and process at least one of them.
+ // We need to go through the list of planes under our control and check if
+ // any need to be addressed.
+ // We need to check for planes not under our control coming within our
+ // control area and address if necessary.
+
+ // Lets take the example of a plane which has just contacted ground
+ // following landing - presumably requesting where to go?
+ // First we need to establish the position of the plane within the logical network.
+ // Next we need to decide where its going.
+}
+
+void FGGround::NewArrival(plane_rec plane) {
+ // What are we going to do here?
+ // We need to start a new ground_rec and add the plane_rec to it
+ // We need to decide what gate we are going to clear it to.
+ // Then we need to add clearing it to that gate to the pending transmissions queue? - or simply transmit?
+ // Probably simply transmit for now and think about a transmission queue later if we need one.
+ // We might need one though in order to add a little delay for response time.
+ ground_rec* g = new ground_rec;
+ g->plane_rec = plane;
+ g->current_pos = ConvertWGS84ToXY(plane.pos);
+ g->node = GetNode(g->current_pos); // TODO - might need to sort out node/arc here
+ AssignGate(g);
+ g->cleared = false;
+ ground_traffic.push_back(g);
+ NextClearance(g);
+}
+
+void FGGround::NewContact(plane_rec plane) {
+ // This is a bit of a convienience function at the moment and is likely to change.
+ if(at a gate or apron)
+ NewDeparture(plane);
+ else
+ NewArrival(plane);
+}
+
+void FGGround::NextClearance(ground_rec &g) {
+ // Need to work out where we can clear g to.
+ // Assume the pilot doesn't need progressive instructions
+ // We *should* already have a gate or holding point assigned by the time we get here
+ // but it wouldn't do any harm to check.
+
+ // For now though we will hardwire it to clear to the final destination.
+}
+
+void FGGround::AssignGate(ground_rec &g) {
+ // We'll cheat for now - since we only have the user's aircraft and a couple of airports implemented
+ // we'll hardwire the gate!
+ // In the long run the logic of which gate or area to send the plane to could be somewhat non-trivial.
+}
\ No newline at end of file
--- /dev/null
+// FGGround - a class to provide ground control at larger airports.
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+#ifndef _FG_GROUND_HXX
+#define _FG_GROUND_HXX
+
+#include <vector>
+#include <list>
+//#include <map>
+
+SG_USING_STD(vector);
+SG_USING_STD(list);
+//SG_USING_STD(map);
+
+//////////////////////////////////////////////////////
+// Types for the logical network data structure
+typedef enum arc_type {
+ RUNWAY,
+ TAXIWAY
+};
+
+typedef enum node_type {
+ GATE,
+ APRON,
+ HOLD
+};
+
+typedef struct arc {
+ int distance;
+ char* name;
+ arc_type type;
+};
+
+typedef list<arc> arc_list_type;
+typedef arc_list_type::iterator arc_list_itr;
+typedef arc_list_type::const_iterator arc_list_const_itr;
+
+typedef struct node {
+ point pos;
+ char* name;
+ node_type node;
+ arc_list arcs;
+};
+
+typedef vector<node> node_array_type;
+typedef node_array_type::iterator node_array_itr;
+typedef node_array_type::const_iterator node_array_const_itr;
+// end logical network types
+///////////////////////////////////////////////////////
+
+// somewhere in the ATC/AI system we are going to have defined something like
+// typedef struct plane_rec
+// list <PlaneRec> plane_rec_list_type
+
+// A more specialist plane rec to include ground information
+typedef struct ground_rec {
+ plane_rec plane;
+ point current_pos;
+ node destination;
+ node last_clearance;
+ bool cleared; // set true when the plane has been cleared to somewhere
+ bool incoming; //true for arrivals, false for departures
+ // status?
+ // Almost certainly need to add more here
+};
+
+typedef list<ground_rec*> ground_rec_list;
+typedef ground_rec_list::iterator ground_rec_list_itr;
+typedef ground_rec_list::const_iterator ground_rec_list_const_itr;
+
+///////////////////////////////////////////////////////////////////////////////
+//
+// FGGround
+//
+///////////////////////////////////////////////////////////////////////////////
+class FGGround : public FGATC {
+
+private:
+
+ // Need a data structure to hold details of the various active planes
+ // Need a data structure to hold details of the logical network
+ // including which gates are filled - or possibly another data structure
+ // with the positions of the inactive planes.
+ // Need a data structure to hold outstanding communications from aircraft.
+ // Possibly need a data structure to hold outstanding communications to aircraft.
+
+ // logical network
+ node_array_type network;
+
+ // Planes currently active
+ ground_rec_list ground_traffic;
+
+public:
+
+ void Init();
+
+ void Update();
+
+ inline void SetDisplay() {display = true;}
+ inline void SetNoDisplay() {display = false;}
+
+ // Its possible that NewArrival and NewDeparture should simply be rolled into Request.
+
+ // Contact ground control on arrival, assumed to request any gate
+ void NewArrival(plane_rec plane);
+
+ // Contact ground control on departure, assumed to request currently active runway.
+ void NewDeparture(plane_rec plane);
+
+ // Contact ground control when the calling routine doesn't know if arrival
+ // or departure is appropriate.
+ void NewContact(plane_rec plane);
+
+ // Make a request of ground control.
+ void Request(ground_request request);
+
+private:
+
+ // Find the shortest route through the logical network between two points.
+ FindShortestRoute(point a, point b);
+
+ // Project a point in WGS84 lat/lon onto the local gnomonic.
+ ConvertWGS84ToXY(sgVec3 wgs84, point xy);
+
+ // Assign a gate or parking location to a new arrival
+ AssignGate(ground_rec &g);
+
+ // Generate the next clearance for an airplane
+ NextClearance(ground_rec &g);
+
+};
+
+#endif //_FG_GROUND_HXX
\ No newline at end of file
--- /dev/null
+// runways.hxx -- a simple class to manage airport runway info
+//
+// Written by Curtis Olson, started August 2000.
+//
+// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
+//
+// 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.
+//
+// $Id$
+
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <math.h> // fabs()
+#include <stdio.h> // sprintf()
+
+#include <simgear/compiler.h>
+
+#include <simgear/debug/logstream.hxx>
+#include <simgear/misc/sgstream.hxx>
+
+#include STL_STRING
+#include STL_FUNCTIONAL
+#include STL_ALGORITHM
+
+#include "runways.hxx"
+
+SG_USING_NAMESPACE(std);
+
+
+FGRunway::FGRunway() {
+}
+
+
+FGRunway::~FGRunway() {
+}
+
+
+FGRunways::FGRunways( const string& file ) {
+ // open the specified database readonly
+ storage = new c4_Storage( file.c_str(), false );
+
+ if ( !storage->Strategy().IsValid() ) {
+ SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << file );
+ exit(-1);
+ }
+
+ vRunway = new c4_View;
+ *vRunway =
+ storage->GetAs("runway[ID:S,Rwy:S,Longitude:F,Latitude:F,Heading:F,Length:F,Width:F,SurfaceFlags:S,End1Flags:S,End2Flags:S]");
+
+ next_index = 0;
+}
+
+
+// search for the specified apt id
+bool FGRunways::search( const string& aptid, FGRunway* r ) {
+ c4_StringProp pID ("ID");
+ c4_StringProp pRwy ("Rwy");
+ c4_FloatProp pLon ("Longitude");
+ c4_FloatProp pLat ("Latitude");
+ c4_FloatProp pHdg ("Heading");
+ c4_FloatProp pLen ("Length");
+ c4_FloatProp pWid ("Width");
+ c4_StringProp pSurf ("SurfaceFlags");
+ c4_StringProp pEnd1 ("End1Flags");
+ c4_StringProp pEnd2 ("End2Flags");
+
+ int index = vRunway->Find(pID[aptid.c_str()]);
+ // cout << "index = " << index << endl;
+
+ if ( index == -1 ) {
+ return false;
+ }
+
+ next_index = index + 1;
+
+ c4_RowRef row = vRunway->GetAt(index);
+
+ r->id = (const char *) pID(row);
+ r->rwy_no = (const char *) pRwy(row);
+ r->lon = (double) pLon(row);
+ r->lat = (double) pLat(row);
+ r->heading = (double) pHdg(row);
+ r->length = (double) pLen(row);
+ r->width = (double) pWid(row);
+ r->surface_flags = (const char *) pSurf(row);
+ r->end1_flags = (const char *) pEnd1(row);
+ r->end2_flags = (const char *) pEnd2(row);
+
+ return true;
+}
+
+
+// search for the specified apt id and runway no
+bool FGRunways::search( const string& aptid, const string& rwyno, FGRunway* r )
+{
+ c4_StringProp pID ("ID");
+ c4_StringProp pRwy ("Rwy");
+ c4_FloatProp pLon ("Longitude");
+ c4_FloatProp pLat ("Latitude");
+ c4_FloatProp pHdg ("Heading");
+ c4_FloatProp pLen ("Length");
+ c4_FloatProp pWid ("Width");
+ c4_StringProp pSurf ("SurfaceFlags");
+ c4_StringProp pEnd1 ("End1Flags");
+ c4_StringProp pEnd2 ("End2Flags");
+
+ int index = vRunway->Find(pID[aptid.c_str()]);
+ // cout << "index = " << index << endl;
+
+ if ( index == -1 ) {
+ return false;
+ }
+
+ c4_RowRef row = vRunway->GetAt(index);
+ string rowid = (const char *) pID(row);
+ string rowrwyno = (const char *) pRwy(row);
+ while ( rowid == aptid ) {
+ next_index = index + 1;
+
+ if ( rowrwyno == rwyno ) {
+ r->id = (const char *) pID(row);
+ r->rwy_no = (const char *) pRwy(row);
+ r->lon = (double) pLon(row);
+ r->lat = (double) pLat(row);
+ r->heading = (double) pHdg(row);
+ r->length = (double) pLen(row);
+ r->width = (double) pWid(row);
+ r->surface_flags = (const char *) pSurf(row);
+ r->end1_flags = (const char *) pEnd1(row);
+ r->end2_flags = (const char *) pEnd2(row);
+
+ return true;
+ }
+
+ index++;
+ c4_RowRef row = vRunway->GetAt(index);
+ string rowid = (const char *) pID(row);
+ string rowrwyno = (const char *) pRwy(row);
+ }
+
+ return false;
+}
+
+
+FGRunway FGRunways::search( const string& aptid ) {
+ FGRunway a;
+ search( aptid, &a );
+ return a;
+}
+
+
+// search for the specified id
+bool FGRunways::next( FGRunway* r ) {
+ c4_StringProp pID ("ID");
+ c4_StringProp pRwy ("Rwy");
+ c4_FloatProp pLon ("Longitude");
+ c4_FloatProp pLat ("Latitude");
+ c4_FloatProp pHdg ("Heading");
+ c4_FloatProp pLen ("Length");
+ c4_FloatProp pWid ("Width");
+ c4_StringProp pSurf ("SurfaceFlags");
+ c4_StringProp pEnd1 ("End1Flags");
+ c4_StringProp pEnd2 ("End2Flags");
+
+ int size = vRunway->GetSize();
+ // cout << "total records = " << size << endl;
+
+ int index = next_index;
+ // cout << "index = " << index << endl;
+
+ if ( index == -1 || index >= size ) {
+ return false;
+ }
+
+ next_index = index + 1;
+
+ c4_RowRef row = vRunway->GetAt(index);
+ r->id = (const char *) pID(row);
+ r->rwy_no = (const char *) pRwy(row);
+ r->lon = (double) pLon(row);
+ r->lat = (double) pLat(row);
+ r->heading = (double) pHdg(row);
+ r->length = (double) pLen(row);
+ r->width = (double) pWid(row);
+ r->surface_flags = (const char *) pSurf(row);
+ r->end1_flags = (const char *) pEnd1(row);
+ r->end2_flags = (const char *) pEnd2(row);
+
+ return true;
+}
+
+
+// Return the runway closest to a given heading
+bool FGRunways::search( const string& aptid, const int tgt_hdg,
+ FGRunway* runway )
+{
+ FGRunway r;
+ FGRunway br;
+ double found_dir = 0.0;
+
+ if ( !search( aptid, &r ) ) {
+ SG_LOG( SG_GENERAL, SG_ALERT,
+ "Failed to find " << aptid << " in database." );
+ return false;
+ }
+
+ double diff;
+ double min_diff = 360.0;
+
+ while ( r.id == aptid ) {
+ // forward direction
+ diff = tgt_hdg - r.heading;
+ while ( diff < -180.0 ) { diff += 360.0; }
+ while ( diff > 180.0 ) { diff -= 360.0; }
+ diff = fabs(diff);
+ // SG_LOG( SG_GENERAL, SG_INFO,
+ // "Runway " << r.rwy_no << " heading = " << r.heading <<
+ // " diff = " << diff );
+ if ( diff < min_diff ) {
+ min_diff = diff;
+ //runway = &r;
+ br = r;
+ found_dir = 0;
+ }
+
+ // reverse direction
+ diff = tgt_hdg - r.heading - 180.0;
+ while ( diff < -180.0 ) { diff += 360.0; }
+ while ( diff > 180.0 ) { diff -= 360.0; }
+ diff = fabs(diff);
+ // SG_LOG( SG_GENERAL, SG_INFO,
+ // "Runway -" << r.rwy_no << " heading = " <<
+ // r.heading + 180.0 <<
+ // " diff = " << diff );
+ if ( diff < min_diff ) {
+ min_diff = diff;
+ //runway = &r;
+ br = r;
+ found_dir = 180.0;
+ }
+ next( &r );
+ }
+
+ // SG_LOG( SG_GENERAL, SG_INFO, "closest runway = " << runway->rwy_no
+ // << " + " << found_dir );
+
+ *runway = br;
+ double heading = runway->heading + found_dir;
+ while ( heading >= 360.0 ) { heading -= 360.0; }
+ runway->heading = heading;
+ //cout << runway->heading << " " << runway->rwy_no
+ // << " " << runway->id << endl;
+ return true;
+}
+
+
+// Return the runway number of the runway closest to a given heading
+string FGRunways::search( const string& aptid, const int tgt_hdg ) {
+ FGRunway r;
+ string rn;
+ double found_dir = 0.0;
+
+ if ( !search( aptid, &r ) ) {
+ SG_LOG( SG_GENERAL, SG_ALERT,
+ "Failed to find " << aptid << " in database." );
+ return "NN";
+ }
+
+ double diff;
+ double min_diff = 360.0;
+
+ while ( r.id == aptid ) {
+ // forward direction
+ diff = tgt_hdg - r.heading;
+ while ( diff < -180.0 ) { diff += 360.0; }
+ while ( diff > 180.0 ) { diff -= 360.0; }
+ diff = fabs(diff);
+ // SG_LOG( SG_GENERAL, SG_INFO,
+ // "Runway " << r.rwy_no << " heading = " << r.heading <<
+ // " diff = " << diff );
+ if ( diff < min_diff ) {
+ min_diff = diff;
+ rn = r.rwy_no;
+ found_dir = 0;
+ }
+
+ // reverse direction
+ diff = tgt_hdg - r.heading - 180.0;
+ while ( diff < -180.0 ) { diff += 360.0; }
+ while ( diff > 180.0 ) { diff -= 360.0; }
+ diff = fabs(diff);
+ // SG_LOG( SG_GENERAL, SG_INFO,
+ // "Runway -" << r.rwy_no << " heading = " <<
+ // r.heading + 180.0 <<
+ // " diff = " << diff );
+ if ( diff < min_diff ) {
+ min_diff = diff;
+ rn = r.rwy_no;
+ found_dir = 180.0;
+ }
+
+ next( &r );
+ }
+
+ // SG_LOG( SG_GENERAL, SG_INFO, "closest runway = " << r.rwy_no
+ // << " + " << found_dir );
+ // rn = r.rwy_no;
+ // cout << "In search, rn = " << rn << endl;
+ if ( found_dir == 180 ) {
+ int irn = atoi(rn.c_str());
+ irn += 18;
+ if ( irn > 36 ) {
+ irn -= 36;
+ }
+ char buf[4]; // 2 chars + string terminator + 1 for safety
+ sprintf(buf, "%i", irn);
+ rn = buf;
+ }
+
+ return rn;
+}
+
+
+// Destructor
+FGRunways::~FGRunways( void ) {
+ delete storage;
+}
+
+
+// Constructor
+FGRunwaysUtil::FGRunwaysUtil() {
+}
+
+
+// load the data
+int FGRunwaysUtil::load( const string& file ) {
+ FGRunway r;
+ string apt_id;
+
+ runways.erase( runways.begin(), runways.end() );
+
+ sg_gzifstream in( file );
+ if ( !in.is_open() ) {
+ SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << file );
+ exit(-1);
+ }
+
+ // skip first line of file
+ char tmp[2048];
+ in.getline( tmp, 2048 );
+
+ // read in each line of the file
+
+#ifdef __MWERKS__
+
+ in >> ::skipws;
+ char c = 0;
+ while ( in.get(c) && c != '\0' ) {
+ if ( c == 'A' ) {
+ in >> apt_id;
+ in >> skipeol;
+ } else if ( c == 'R' ) {
+ in >> r;
+ r.id = apt_id;
+ runways.push_back(r);
+ } else {
+ in >> skipeol;
+ }
+ in >> ::skipws;
+ }
+
+#else
+
+ in >> ::skipws;
+ while ( ! in.eof() ) {
+ char c = 0;
+ in.get(c);
+ if ( c == 'A' ) {
+ in >> apt_id;
+ in >> skipeol;
+ } else if ( c == 'R' ) {
+ in >> r;
+ r.id = apt_id;
+ // cout << apt_id << " " << r.rwy_no << endl;
+ runways.push_back(r);
+ } else {
+ in >> skipeol;
+ }
+ in >> ::skipws;
+ }
+
+#endif
+
+ return 1;
+}
+
+
+// save the data in gdbm format
+bool FGRunwaysUtil::dump_mk4( const string& file ) {
+ // open database for writing
+ c4_Storage storage( file.c_str(), true );
+
+ // need to do something about error handling here!
+
+ // define the properties
+ c4_StringProp pID ("ID");
+ c4_StringProp pRwy ("Rwy");
+ c4_FloatProp pLon ("Longitude");
+ c4_FloatProp pLat ("Latitude");
+ c4_FloatProp pHdg ("Heading");
+ c4_FloatProp pLen ("Length");
+ c4_FloatProp pWid ("Width");
+ c4_StringProp pSurf ("SurfaceFlags");
+ c4_StringProp pEnd1 ("End1Flags");
+ c4_StringProp pEnd2 ("End2Flags");
+
+ // Start with an empty view of the proper structure.
+ c4_View vRunway =
+ storage.GetAs("runway[ID:S,Rwy:S,Longitude:F,Latitude:F,Heading:F,Length:F,Width:F,SurfaceFlags:S,End1Flags:S,End2Flags:S]");
+
+ c4_Row row;
+
+ iterator current = runways.begin();
+ const_iterator end = runways.end();
+ while ( current != end ) {
+ // add each runway record
+ pID (row) = current->id.c_str();
+ pRwy (row) = current->rwy_no.c_str();
+ pLon (row) = current->lon;
+ pLat (row) = current->lat;
+ pHdg (row) = current->heading;
+ pLen (row) = current->length;
+ pWid (row) = current->width;
+ pSurf (row) = current->surface_flags.c_str();
+ pEnd1 (row) = current->end1_flags.c_str();
+ pEnd2 (row) = current->end2_flags.c_str();
+ vRunway.Add(row);
+
+ ++current;
+ }
+
+ // commit our changes
+ storage.Commit();
+
+ return true;
+}
+
+
+#if 0
+// search for the specified id
+bool
+FGRunwaysUtil::search( const string& id, FGRunway* a ) const
+{
+ const_iterator it = runways.find( FGRunway(id) );
+ if ( it != runways.end() )
+ {
+ *a = *it;
+ return true;
+ }
+ else
+ {
+ return false;
+ }
+}
+
+
+FGRunway
+FGRunwaysUtil::search( const string& id ) const
+{
+ FGRunway a;
+ this->search( id, &a );
+ return a;
+}
+#endif
+
+// Destructor
+FGRunwaysUtil::~FGRunwaysUtil( void ) {
+}
+
+
--- /dev/null
+// FGTower - a class to provide tower control at towered airports.
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+#include <Main/globals.hxx>
+
+#include "tower.hxx"
+#include "ATCdisplay.hxx"
+
+FGTower::FGTower() {
+}
+
+FGTower::~FGTower() {
+}
+
+void FGTower::Init() {
+ display = false;
+}
+
+void FGTower::Update() {
+ // Each time step, what do we need to do?
+ // We need to go through the list of outstanding requests and acknowedgements
+ // and process at least one of them.
+ // We need to go through the list of planes under our control and check if
+ // any need to be addressed.
+ // We need to check for planes not under our control coming within our
+ // control area and address if necessary.
+
+ // Hardwired for testing
+ static int play = 0;
+ if(play == 200) {
+ //cout << "Registering message in tower.cxx ****************************\n";
+ //globals->get_ATC_display()->RegisterSingleMessage((string)"Cessna eight-two-zero Cleared for takeoff", 2);
+ }
+ ++play;
+}
--- /dev/null
+// FGTower - a class to provide tower control at towered airports.
+//
+// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+#ifndef _FG_TOWER_HXX
+#define _FG_TOWER_HXX
+
+#include <simgear/compiler.h>
+#include <simgear/math/point3d.hxx>
+#include <simgear/misc/sgstream.hxx>
+#include <simgear/math/sg_geodesy.hxx>
+#include <plib/sg.h>
+
+#include <string>
+
+SG_USING_STD(string);
+
+#include "ATC.hxx"
+
+//DCL - a complete guess for now.
+#define FG_TOWER_DEFAULT_RANGE 30
+
+// somewhere in the ATC/AI system we are going to have defined something like
+// struct plane_rec
+// list <PlaneRec> plane_rec_list_type
+
+class FGTower : public FGATC {
+
+private:
+
+ // Need a data structure to hold details of the various active planes
+ // or possibly another data structure with the positions of the inactive planes.
+ // Need a data structure to hold outstanding communications from aircraft.
+
+
+public:
+
+ FGTower();
+ ~FGTower();
+
+ void Init();
+
+ void Update();
+
+ inline void SetDisplay() {display = true;}
+ inline void SetNoDisplay() {display = false;}
+
+ inline char get_type() const { return type; }
+ inline double get_lon() const { return lon; }
+ inline double get_lat() const { return lat; }
+ inline double get_elev() const { return elev; }
+ inline double get_x() const { return x; }
+ inline double get_y() const { return y; }
+ inline double get_z() const { return z; }
+ inline int get_freq() const { return freq; }
+ inline int get_range() const { return range; }
+ inline const char* GetIdent() { return ident.c_str(); }
+ inline string get_trans_ident() { return trans_ident; }
+ inline atc_type GetType() { return TOWER; }
+
+ // Make a request of tower control
+ //void Request(tower_request request);
+
+private:
+
+ char type;
+ double lon, lat;
+ double elev;
+ double x, y, z;
+ int freq;
+ int range;
+ bool display; // Flag to indicate whether we should be outputting to the ATC display.
+ bool displaying; // Flag to indicate whether we are outputting to the ATC display.
+ string ident; // Code of the airport its at.
+ string name; // Name generally used in transmissions.
+
+ // for failure modeling
+ string trans_ident; // transmitted ident
+ bool tower_failed; // tower failed?
+
+ friend istream& operator>> ( istream&, FGTower& );
+};
+
+
+inline istream&
+operator >> ( istream& in, FGTower& t )
+{
+ double f;
+ char ch;
+
+ in >> t.type;
+
+ if ( t.type == '[' )
+ return in >> skipeol;
+
+ in >> t.lat >> t.lon >> t.elev >> f >> t.range
+ >> t.ident;
+
+ t.name = "";
+ in >> ch;
+ t.name += ch;
+ while(1) {
+ //in >> noskipws
+ in.unsetf(ios::skipws);
+ in >> ch;
+ t.name += ch;
+ if((ch == '"') || (ch == 0x0A)) {
+ break;
+ } // we shouldn't need the 0x0A but it makes a nice safely in case someone leaves off the "
+ }
+ in.setf(ios::skipws);
+ //cout << "tower.name = " << t.name << '\n';
+
+ t.freq = (int)(f*100.0 + 0.5);
+
+ // cout << t.ident << endl;
+
+ // generate cartesian coordinates
+ Point3D geod( t.lon * SGD_DEGREES_TO_RADIANS, t.lat * SGD_DEGREES_TO_RADIANS, t.elev );
+ Point3D cart = sgGeodToCart( geod );
+ t.x = cart.x();
+ t.y = cart.y();
+ t.z = cart.z();
+
+ t.trans_ident = t.ident;
+ t.tower_failed = false;
+
+ return in >> skipeol;
+}
+
+
+#endif //_FG_TOWER_HXX
\ No newline at end of file
--- /dev/null
+// towerlist.cxx -- ATC Tower data management class
+//
+// Written by David Luff, started March 2002.
+// Based on navlist.cxx by Curtis Olson, started April 2000.
+//
+// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
+//
+// 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.
+
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <simgear/debug/logstream.hxx>
+#include <simgear/misc/sgstream.hxx>
+#include <simgear/math/sg_geodesy.hxx>
+#include <simgear/math/sg_random.h>
+
+#include "towerlist.hxx"
+
+FGTowerList *current_towerlist;
+
+// Constructor
+FGTowerList::FGTowerList( void ) {
+}
+
+
+// Destructor
+FGTowerList::~FGTowerList( void ) {
+}
+
+
+// load the navaids and build the map
+bool FGTowerList::init( SGPath path ) {
+
+ towerlist.erase( towerlist.begin(), towerlist.end() );
+
+ sg_gzifstream in( path.str() );
+ if ( !in.is_open() ) {
+ SG_LOG( SG_GENERAL, SG_ALERT, "Cannot open file: " << path.str() );
+ exit(-1);
+ }
+
+ // read in each line of the file
+
+ in >> skipcomment;
+
+#ifdef __MWERKS__
+ char c = 0;
+ while ( in.get(c) && c != '\0' ) {
+ in.putback(c);
+#else
+ while ( !in.eof() ) {
+#endif
+
+ FGTower t;
+ in >> t;
+ if ( t.get_type() == '[' ) {
+ break;
+ }
+
+ //cout << "id = " << t.GetIdent() << endl;
+ //cout << " type = " << t.get_type() << endl;
+ //cout << " lon = " << t.get_lon() << endl;
+ //cout << " lat = " << t.get_lat() << endl;
+ //cout << " elev = " << t.get_elev() << endl;
+ //cout << " freq = " << t.get_freq() << endl;
+ //cout << " range = " << t.get_range() << endl;
+
+ towerlist[t.get_freq()].push_back(t);
+ in >> skipcomment;
+ }
+
+ return true;
+}
+
+
+// query the database for the specified frequency, lon and lat are in
+// degrees, elev is in meters
+bool FGTowerList::query( double lon, double lat, double elev, double freq,
+ FGTower *t )
+{
+ lon *= SGD_DEGREES_TO_RADIANS;
+ lat *= SGD_DEGREES_TO_RADIANS;
+ //cout << "lon = " << lon << '\n';
+ //cout << "lat = " << lat << '\n';
+ //cout << "elev = " << elev << '\n';
+ //cout << "freq = " << freq << '\n';
+
+ tower_list_type stations = towerlist[(int)(freq*100.0 + 0.5)];
+
+ tower_list_iterator current = stations.begin();
+ tower_list_iterator last = stations.end();
+
+ // double az1, az2, s;
+ Point3D aircraft = sgGeodToCart( Point3D(lon, lat, elev) );
+ Point3D station;
+ double d;
+ for ( ; current != last ; ++current ) {
+ //cout << "testing " << current->GetIdent() << endl;
+ station = Point3D(current->get_x(), current->get_y(), current->get_z());
+ //cout << "aircraft = " << aircraft << endl;
+ //cout << "station = " << station << endl;
+
+ d = aircraft.distance3Dsquared( station );
+
+ //cout << " dist = " << sqrt(d)
+ // << " range = " << current->get_range() * SG_NM_TO_METER << endl;
+
+ // match up to twice the published range so we can model
+ // reduced signal strength
+ if ( d < (2 * current->get_range() * SG_NM_TO_METER
+ * 2 * current->get_range() * SG_NM_TO_METER ) ) {
+ //cout << "matched = " << current->GetIdent() << endl;
+ *t = *current;
+ return true;
+ }
+ }
+
+ return false;
+}
\ No newline at end of file
--- /dev/null
+// towerlist.hxx -- ATC Tower data management class
+//
+// Written by David Luff, started March 2002.
+// Based on navlist.hxx by Curtis Olson, started April 2000.
+//
+// Copyright (C) 2000 Curtis L. Olson - curt@flightgear.org
+//
+// 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_TOWERLIST_HXX
+#define _FG_TOWERLIST_HXX
+
+
+#include <simgear/compiler.h>
+#include <simgear/misc/sg_path.hxx>
+
+#include <map>
+#include <vector>
+#include <string>
+
+#include "tower.hxx"
+
+SG_USING_STD(map);
+SG_USING_STD(vector);
+SG_USING_STD(string);
+
+
+class FGTowerList {
+
+ // convenience types
+ typedef vector < FGTower > tower_list_type;
+ typedef tower_list_type::iterator tower_list_iterator;
+ typedef tower_list_type::const_iterator tower_list_const_iterator;
+
+ // Map containing FGTower keyed by frequency.
+ // A vector of FGTower is kept at each node since some may share frequency
+ typedef map < int, tower_list_type > tower_map_type;
+ typedef tower_map_type::iterator tower_map_iterator;
+ typedef tower_map_type::const_iterator tower_map_const_iterator;
+
+ tower_map_type towerlist;
+
+public:
+
+ FGTowerList();
+ ~FGTowerList();
+
+ // load all atis and build the map
+ bool init( SGPath path );
+
+ // query the database for the specified frequency, lon and lat are
+ // in degrees, elev is in meters
+ bool query( double lon, double lat, double elev, double freq, FGTower *t );
+
+};
+
+
+extern FGTowerList *current_towerlist;
+
+
+#endif // _FG_TOWERLIST_HXX
\ No newline at end of file
#include <ATC/ATCdisplay.hxx>
#include <ATC/ATCmgr.hxx>
#include <ATC/atislist.hxx>
+#include <ATC/towerlist.hxx>
+#include <ATC/approachlist.hxx>
+#include <ATC/AIMgr.hxx>
#include <Autopilot/auto_gui.hxx>
#include <Autopilot/newauto.hxx>
#include <Cockpit/cockpit.hxx>
// Initialize ATC list management and query systems
////////////////////////////////////////////////////////////////////
- //DCL
SG_LOG(SG_GENERAL, SG_INFO, " ATIS");
current_atislist = new FGATISList;
SGPath p_atis( globals->get_fg_root() );
p_atis.append( "ATC/default.atis" );
current_atislist->init( p_atis );
+ SG_LOG(SG_GENERAL, SG_INFO, " Tower");
+ current_towerlist = new FGTowerList;
+ SGPath p_tower( globals->get_fg_root() );
+ p_tower.append( "ATC/default.tower" );
+ current_towerlist->init( p_tower );
+
+ SG_LOG(SG_GENERAL, SG_INFO, " Approach");
+ current_approachlist = new FGApproachList;
+ SGPath p_approach( globals->get_fg_root() );
+ p_approach.append( "ATC/default.approach" );
+ current_approachlist->init( p_approach );
+
////////////////////////////////////////////////////////////////////
// Initialise ATC display system
////////////////////////////////////////////////////////////////////
SG_LOG(SG_GENERAL, SG_INFO, " ATC Manager");
globals->set_ATC_mgr(new FGATCMgr);
- globals->get_ATC_mgr()->init();
+ globals->get_ATC_mgr()->init();
+
+ ////////////////////////////////////////////////////////////////////
+ // Initialise the AI Manager
+ ////////////////////////////////////////////////////////////////////
+
+ SG_LOG(SG_GENERAL, SG_INFO, " AI Manager");
+ globals->set_AI_mgr(new FGAIMgr);
+ globals->get_AI_mgr()->init();
////////////////////////////////////////////////////////////////////
// Initialize the built-in commands.
class FGViewer;
class FGATCMgr;
class FGATCDisplay;
+class FGAIMgr;
/**
// ATC Renderer
FGATCDisplay *ATC_display;
+ // AI manager
+ FGAIMgr *AI_mgr;
+
// control input state
FGControls *controls;
inline void set_ATC_mgr( FGATCMgr *a ) {ATC_mgr = a; }
inline FGATCDisplay *get_ATC_display() const { return ATC_display; }
- inline void set_ATC_display( FGATCDisplay *d ) {ATC_display = d; }
+ inline void set_ATC_display( FGATCDisplay *d ) {ATC_display = d; }
+
+ inline FGAIMgr *get_AI_mgr() const { return AI_mgr; }
+ inline void set_AI_mgr( FGAIMgr *a ) {AI_mgr = a; }
inline FGSoundMgr *get_soundmgr() const { return soundmgr; }
inline void set_soundmgr( FGSoundMgr *sm ) { soundmgr = sm; }
#include <ATC/ATCmgr.hxx>
#include <ATC/ATCdisplay.hxx>
+#include <ATC/AIMgr.hxx>
+
#include <Autopilot/newauto.hxx>
#include <Cockpit/cockpit.hxx>
#endif
// Run ATC subsystem
- globals->get_ATC_mgr()->update(1); // FIXME: use real dt
+ globals->get_ATC_mgr()->update(1); // FIXME - use real dt.
+
+ // Run the AI subsystem
+ globals->get_AI_mgr()->update(1); // FIXME - use real dt.
// Run flight model