]> git.mxchange.org Git - flightgear.git/commitdiff
- fix typos
authormfranz <mfranz>
Thu, 8 Dec 2005 15:03:08 +0000 (15:03 +0000)
committermfranz <mfranz>
Thu, 8 Dec 2005 15:03:08 +0000 (15:03 +0000)
- fix indentation (there were 2, 3, 4, 7(!) space indents as well as tab
  indents, all mixed together)
- no code changes, except one "if (foo) {}" changed to "if (!foo) return; ..."

src/AIModel/AICarrier.cxx
src/AIModel/AICarrier.hxx

index 847f75174627a5acb67b3f1f2d090a4992afeb26..69fdf78751308a4e0e8e9851e0d2351a13e95001 100644 (file)
 
 
 FGAICarrier::FGAICarrier(FGAIManager* mgr) : FGAIShip(mgr) {
-  _type_str = "carrier";
-  _otype = otCarrier;
-  
-  
+    _type_str = "carrier";
+    _otype = otCarrier;
 }
 
 FGAICarrier::~FGAICarrier() {
 }
 
 void FGAICarrier::setWind_from_east(double fps) {
-   wind_from_east = fps;
+    wind_from_east = fps;
 }
 
 void FGAICarrier::setWind_from_north(double fps) {
-   wind_from_north = fps;
+    wind_from_north = fps;
 }
 
 void FGAICarrier::setMaxLat(double deg) {
-   max_lat = fabs(deg);
+    max_lat = fabs(deg);
 }
 
 void FGAICarrier::setMinLat(double deg) {
-   min_lat = fabs(deg);
+    min_lat = fabs(deg);
 }
 
 void FGAICarrier::setMaxLong(double deg) {
-   max_long = fabs(deg);
+    max_long = fabs(deg);
 }
 
 void FGAICarrier::setMinLong(double deg) {
-   min_long = fabs(deg);
+    min_long = fabs(deg);
 }
 
 void FGAICarrier::setSolidObjects(const list<string>& so) {
-  solid_objects = so;
+    solid_objects = so;
 }
 
 void FGAICarrier::setWireObjects(const list<string>& wo) {
-  wire_objects = wo;
+    wire_objects = wo;
 }
 
 void FGAICarrier::setCatapultObjects(const list<string>& co) {
-  catapult_objects = co;
+    catapult_objects = co;
 }
 
 void FGAICarrier::setParkingPositions(const list<ParkPosition>& p) {
-  ppositions = p;
+    ppositions = p;
 }
 
 void FGAICarrier::setSign(const string& s) {
-  sign = s;
+    sign = s;
 }
 
 void FGAICarrier::setTACANChannelID(const string& id) {
-   TACAN_channel_id = id;
+    TACAN_channel_id = id;
 }
 
 void FGAICarrier::setFlolsOffset(const Point3D& off) {
-  flols_off = off;
+    flols_off = off;
 }
 
 void FGAICarrier::getVelocityWrtEarth(sgdVec3& v, sgdVec3& omega, sgdVec3& pivot) {
-  sgdCopyVec3(v, vel_wrt_earth );
-  sgdCopyVec3(omega, rot_wrt_earth );
-  sgdCopyVec3(pivot, rot_pivot_wrt_earth );
+    sgdCopyVec3(v, vel_wrt_earth );
+    sgdCopyVec3(omega, rot_wrt_earth );
+    sgdCopyVec3(pivot, rot_pivot_wrt_earth );
 }
 
 void FGAICarrier::update(double dt) {
-   
-   // For computation of rotation speeds we just use finite differences her.
-   // That is perfectly valid since this thing is not driven by accelerations
-   // but by just apply discrete changes at its velocity variables.
-   double old_hdg = hdg;
-   double old_roll = roll;
-   double old_pitch = pitch;
-
-   // Update the velocity information stored in those nodes.
-   double v_north = 0.51444444*speed*cos(hdg * SGD_DEGREES_TO_RADIANS);
-   double v_east  = 0.51444444*speed*sin(hdg * SGD_DEGREES_TO_RADIANS);
-
-   double sin_lat = sin(pos.lat() * SGD_DEGREES_TO_RADIANS);
-   double cos_lat = cos(pos.lat() * SGD_DEGREES_TO_RADIANS);
-   double sin_lon = sin(pos.lon() * SGD_DEGREES_TO_RADIANS);
-   double cos_lon = cos(pos.lon() * SGD_DEGREES_TO_RADIANS);
-   double sin_roll = sin(roll * SGD_DEGREES_TO_RADIANS);
-   double cos_roll = cos(roll * SGD_DEGREES_TO_RADIANS);
-   double sin_pitch = sin(pitch * SGD_DEGREES_TO_RADIANS);
-   double cos_pitch = cos(pitch * SGD_DEGREES_TO_RADIANS);
-   double sin_hdg = sin(hdg * SGD_DEGREES_TO_RADIANS);
-   double cos_hdg = cos(hdg * SGD_DEGREES_TO_RADIANS);
-
-   // Transform this back the the horizontal local frame.
-   sgdMat3 trans;
-   
-   // set up the transform matrix
-   trans[0][0] =          cos_pitch*cos_hdg;
-   trans[0][1] = sin_roll*sin_pitch*cos_hdg - cos_roll*sin_hdg;
-   trans[0][2] = cos_roll*sin_pitch*cos_hdg + sin_roll*sin_hdg;
-   
-   trans[1][0] =          cos_pitch*sin_hdg;
-   trans[1][1] = sin_roll*sin_pitch*sin_hdg + cos_roll*cos_hdg;
-   trans[1][2] = cos_roll*sin_pitch*sin_hdg - sin_roll*cos_hdg;
-   
-   trans[2][0] =         -sin_pitch;
-   trans[2][1] = sin_roll*cos_pitch;
-   trans[2][2] = cos_roll*cos_pitch;
-   
-   sgdSetVec3( vel_wrt_earth,
-              - cos_lon*sin_lat*v_north - sin_lon*v_east,
-              - sin_lon*sin_lat*v_north + cos_lon*v_east,
-                cos_lat*v_north );
-   sgGeodToCart(pos.lat() * SGD_DEGREES_TO_RADIANS,
-                pos.lon() * SGD_DEGREES_TO_RADIANS,
-                pos.elev(), rot_pivot_wrt_earth);
-
-   // Now update the position and heading. This will compute new hdg and
-   // roll values required for the rotation speed computation.
-   FGAIShip::update(dt);
-   
-   
-   //automatic turn into wind with a target wind of 25 kts otd
-   if(turn_to_launch_hdg){
-       TurnToLaunch();
-   } else if(OutsideBox() || returning) {// check that the carrier is inside the operating box
-       ReturnToBox();
-   } else {                   //if(!returning
-       TurnToBase();
-   }  //end if  
-
-   // Only change these values if we are able to compute them safely
-   if (dt < DBL_MIN)
-     sgdSetVec3( rot_wrt_earth, 0.0, 0.0, 0.0);
-   else {
-     // Compute the change of the euler angles.
-     double hdg_dot = SGD_DEGREES_TO_RADIANS * (hdg-old_hdg)/dt;
-     // Allways assume that the movement was done by the shorter way.
-     if (hdg_dot < - SGD_DEGREES_TO_RADIANS * 180)
-       hdg_dot += SGD_DEGREES_TO_RADIANS * 360;
-     if (hdg_dot > SGD_DEGREES_TO_RADIANS * 180)
-       hdg_dot -= SGD_DEGREES_TO_RADIANS * 360;
-     double pitch_dot = SGD_DEGREES_TO_RADIANS * (pitch-old_pitch)/dt;
-     // Allways assume that the movement was done by the shorter way.
-     if (pitch_dot < - SGD_DEGREES_TO_RADIANS * 180)
-       pitch_dot += SGD_DEGREES_TO_RADIANS * 360;
-     if (pitch_dot > SGD_DEGREES_TO_RADIANS * 180)
-       pitch_dot -= SGD_DEGREES_TO_RADIANS * 360;
-     double roll_dot = SGD_DEGREES_TO_RADIANS * (roll-old_roll)/dt;
-     // Allways assume that the movement was done by the shorter way.
-     if (roll_dot < - SGD_DEGREES_TO_RADIANS * 180)
-       roll_dot += SGD_DEGREES_TO_RADIANS * 360;
-     if (roll_dot > SGD_DEGREES_TO_RADIANS * 180)
-       roll_dot -= SGD_DEGREES_TO_RADIANS * 360;
-     /*cout << "euler derivatives = "
-          << roll_dot << " " << pitch_dot << " " << hdg_dot << endl;*/
-
-     // Now Compute the rotation vector in the carriers coordinate frame
-     // originating from the euler angle changes.
-     sgdVec3 body;
-     body[0] = roll_dot - hdg_dot*sin_pitch;
-     body[1] = pitch_dot*cos_roll + hdg_dot*sin_roll*cos_pitch;
-     body[2] = -pitch_dot*sin_roll + hdg_dot*cos_roll*cos_pitch;
-
-     // Transform that back to the horizontal local frame.
-     sgdVec3 hl;
-     hl[0] = body[0]*trans[0][0] + body[1]*trans[0][1] + body[2]*trans[0][2];
-     hl[1] = body[0]*trans[1][0] + body[1]*trans[1][1] + body[2]*trans[1][2];
-     hl[2] = body[0]*trans[2][0] + body[1]*trans[2][1] + body[2]*trans[2][2];
-
-     // Now we need to project out rotation components ending in speeds in y
-     // direction in the hoirizontal local frame.
-     hl[1] = 0;
-
-     // Transform that to the earth centered frame.
-     sgdSetVec3(rot_wrt_earth,
-               - cos_lon*sin_lat*hl[0] - sin_lon*hl[1] - cos_lat*cos_lon*hl[2],
-               - sin_lon*sin_lat*hl[0] + cos_lon*hl[1] - cos_lat*sin_lon*hl[2],
-                 cos_lat*hl[0] - sin_lat*hl[2]);
+
+    // For computation of rotation speeds we just use finite differences her.
+    // That is perfectly valid since this thing is not driven by accelerations
+    // but by just apply discrete changes at its velocity variables.
+    double old_hdg = hdg;
+    double old_roll = roll;
+    double old_pitch = pitch;
+
+    // Update the velocity information stored in those nodes.
+    double v_north = 0.51444444*speed*cos(hdg * SGD_DEGREES_TO_RADIANS);
+    double v_east  = 0.51444444*speed*sin(hdg * SGD_DEGREES_TO_RADIANS);
+
+    double sin_lat = sin(pos.lat() * SGD_DEGREES_TO_RADIANS);
+    double cos_lat = cos(pos.lat() * SGD_DEGREES_TO_RADIANS);
+    double sin_lon = sin(pos.lon() * SGD_DEGREES_TO_RADIANS);
+    double cos_lon = cos(pos.lon() * SGD_DEGREES_TO_RADIANS);
+    double sin_roll = sin(roll * SGD_DEGREES_TO_RADIANS);
+    double cos_roll = cos(roll * SGD_DEGREES_TO_RADIANS);
+    double sin_pitch = sin(pitch * SGD_DEGREES_TO_RADIANS);
+    double cos_pitch = cos(pitch * SGD_DEGREES_TO_RADIANS);
+    double sin_hdg = sin(hdg * SGD_DEGREES_TO_RADIANS);
+    double cos_hdg = cos(hdg * SGD_DEGREES_TO_RADIANS);
+
+    // Transform this back the the horizontal local frame.
+    sgdMat3 trans;
+
+    // set up the transform matrix
+    trans[0][0] =          cos_pitch*cos_hdg;
+    trans[0][1] = sin_roll*sin_pitch*cos_hdg - cos_roll*sin_hdg;
+    trans[0][2] = cos_roll*sin_pitch*cos_hdg + sin_roll*sin_hdg;
+
+    trans[1][0] =          cos_pitch*sin_hdg;
+    trans[1][1] = sin_roll*sin_pitch*sin_hdg + cos_roll*cos_hdg;
+    trans[1][2] = cos_roll*sin_pitch*sin_hdg - sin_roll*cos_hdg;
+
+    trans[2][0] =         -sin_pitch;
+    trans[2][1] = sin_roll*cos_pitch;
+    trans[2][2] = cos_roll*cos_pitch;
+
+    sgdSetVec3( vel_wrt_earth,
+               - cos_lon*sin_lat*v_north - sin_lon*v_east,
+               - sin_lon*sin_lat*v_north + cos_lon*v_east,
+                 cos_lat*v_north );
+    sgGeodToCart(pos.lat() * SGD_DEGREES_TO_RADIANS,
+                 pos.lon() * SGD_DEGREES_TO_RADIANS,
+                 pos.elev(), rot_pivot_wrt_earth);
+
+    // Now update the position and heading. This will compute new hdg and
+    // roll values required for the rotation speed computation.
+    FGAIShip::update(dt);
+
+
+    //automatic turn into wind with a target wind of 25 kts otd
+    if(turn_to_launch_hdg){
+        TurnToLaunch();
+    } else if(OutsideBox() || returning) {// check that the carrier is inside the operating box
+        ReturnToBox();
+    } else {
+        TurnToBase();
+    }
+
+    // Only change these values if we are able to compute them safely
+    if (dt < DBL_MIN)
+        sgdSetVec3( rot_wrt_earth, 0.0, 0.0, 0.0);
+    else {
+        // Compute the change of the euler angles.
+        double hdg_dot = SGD_DEGREES_TO_RADIANS * (hdg-old_hdg)/dt;
+        // Always assume that the movement was done by the shorter way.
+        if (hdg_dot < - SGD_DEGREES_TO_RADIANS * 180)
+            hdg_dot += SGD_DEGREES_TO_RADIANS * 360;
+        if (hdg_dot > SGD_DEGREES_TO_RADIANS * 180)
+            hdg_dot -= SGD_DEGREES_TO_RADIANS * 360;
+        double pitch_dot = SGD_DEGREES_TO_RADIANS * (pitch-old_pitch)/dt;
+        // Always assume that the movement was done by the shorter way.
+        if (pitch_dot < - SGD_DEGREES_TO_RADIANS * 180)
+            pitch_dot += SGD_DEGREES_TO_RADIANS * 360;
+        if (pitch_dot > SGD_DEGREES_TO_RADIANS * 180)
+            pitch_dot -= SGD_DEGREES_TO_RADIANS * 360;
+        double roll_dot = SGD_DEGREES_TO_RADIANS * (roll-old_roll)/dt;
+        // Always assume that the movement was done by the shorter way.
+        if (roll_dot < - SGD_DEGREES_TO_RADIANS * 180)
+            roll_dot += SGD_DEGREES_TO_RADIANS * 360;
+        if (roll_dot > SGD_DEGREES_TO_RADIANS * 180)
+            roll_dot -= SGD_DEGREES_TO_RADIANS * 360;
+        /*cout << "euler derivatives = "
+            << roll_dot << " " << pitch_dot << " " << hdg_dot << endl;*/
+
+        // Now Compute the rotation vector in the carriers coordinate frame
+        // originating from the euler angle changes.
+        sgdVec3 body;
+        body[0] = roll_dot - hdg_dot*sin_pitch;
+        body[1] = pitch_dot*cos_roll + hdg_dot*sin_roll*cos_pitch;
+        body[2] = -pitch_dot*sin_roll + hdg_dot*cos_roll*cos_pitch;
+
+        // Transform that back to the horizontal local frame.
+        sgdVec3 hl;
+        hl[0] = body[0]*trans[0][0] + body[1]*trans[0][1] + body[2]*trans[0][2];
+        hl[1] = body[0]*trans[1][0] + body[1]*trans[1][1] + body[2]*trans[1][2];
+        hl[2] = body[0]*trans[2][0] + body[1]*trans[2][1] + body[2]*trans[2][2];
+
+        // Now we need to project out rotation components ending in speeds in y
+        // direction in the horizontal local frame.
+        hl[1] = 0;
+
+        // Transform that to the earth centered frame.
+        sgdSetVec3(rot_wrt_earth,
+                - cos_lon*sin_lat*hl[0] - sin_lon*hl[1] - cos_lat*cos_lon*hl[2],
+                - sin_lon*sin_lat*hl[0] + cos_lon*hl[1] - cos_lat*sin_lon*hl[2],
+                cos_lat*hl[0] - sin_lat*hl[2]);
    }
 
    UpdateWind(dt);
@@ -224,113 +222,113 @@ void FGAICarrier::update(double dt) {
    UpdateElevator(dt, transition_time);
 } //end update
 
+
 bool FGAICarrier::init() {
-   if (!FGAIShip::init())
-      return false;
-
-   // process the 3d model here
-   // mark some objects solid, mark the wires ...
-
-   // The model should be used for altitude computations.
-   // To avoid that every detail in a carrier 3D model will end into
-   // the aircraft local cache, only set the HOT traversal bit on
-   // selected objects.
-   ssgEntity *sel = aip.getSceneGraph();
-   // Clear the HOT traversal flag
-   mark_nohot(sel);
-   // Selectively set that flag again for wires/cats/solid objects.
-   // Attach a pointer to this carrier class to those objects.
-   mark_wires(sel, wire_objects);
-   mark_cat(sel, catapult_objects);
-   mark_solid(sel, solid_objects);
-
-   _longitude_node = fgGetNode("/position/longitude-deg", true);
-   _latitude_node = fgGetNode("/position/latitude-deg", true);
-   _altitude_node = fgGetNode("/position/altitude-ft", true);
-//   _elevator_node = fgGetNode("/controls/elevators", true);
-
-   _surface_wind_from_deg_node = 
-              fgGetNode("/environment/config/boundary/entry[0]/wind-from-heading-deg", true);
-   _surface_wind_speed_node = 
-              fgGetNode("/environment/config/boundary/entry[0]/wind-speed-kt", true);
-   
-  
-   turn_to_launch_hdg = false;
-   returning = false;
-  
-   initialpos = pos;
-   base_course = hdg;
-   base_speed = speed;
-   
-   step = 0;
-   pos_norm = 0;
-   elevators = false;
-   transition_time = 150;
-   time_constant = 0.005;
-
-
-   return true;
+    if (!FGAIShip::init())
+        return false;
+
+    // process the 3d model here
+    // mark some objects solid, mark the wires ...
+
+    // The model should be used for altitude computations.
+    // To avoid that every detail in a carrier 3D model will end into
+    // the aircraft local cache, only set the HOT traversal bit on
+    // selected objects.
+    ssgEntity *sel = aip.getSceneGraph();
+    // Clear the HOT traversal flag
+    mark_nohot(sel);
+    // Selectively set that flag again for wires/cats/solid objects.
+    // Attach a pointer to this carrier class to those objects.
+    mark_wires(sel, wire_objects);
+    mark_cat(sel, catapult_objects);
+    mark_solid(sel, solid_objects);
+
+    _longitude_node = fgGetNode("/position/longitude-deg", true);
+    _latitude_node = fgGetNode("/position/latitude-deg", true);
+    _altitude_node = fgGetNode("/position/altitude-ft", true);
+    // _elevator_node = fgGetNode("/controls/elevators", true);
+
+    _surface_wind_from_deg_node =
+            fgGetNode("/environment/config/boundary/entry[0]/wind-from-heading-deg", true);
+    _surface_wind_speed_node =
+            fgGetNode("/environment/config/boundary/entry[0]/wind-speed-kt", true);
+
+
+    turn_to_launch_hdg = false;
+    returning = false;
+
+    initialpos = pos;
+    base_course = hdg;
+    base_speed = speed;
+
+    step = 0;
+    pos_norm = 0;
+    elevators = false;
+    transition_time = 150;
+    time_constant = 0.005;
+
+    return true;
 }
 
 void FGAICarrier::bind() {
-   FGAIShip::bind();
+    FGAIShip::bind();
+
+    props->untie("velocities/true-airspeed-kt");
 
-   props->untie("velocities/true-airspeed-kt");
-   
-   props->tie("controls/flols/source-lights",
+    props->tie("controls/flols/source-lights",
                 SGRawValuePointer<int>(&source));
-   props->tie("controls/flols/distance-m",
+    props->tie("controls/flols/distance-m",
                 SGRawValuePointer<double>(&dist));
-   props->tie("controls/flols/angle-degs",
+    props->tie("controls/flols/angle-degs",
                 SGRawValuePointer<double>(&angle));
-   props->tie("controls/turn-to-launch-hdg",
+    props->tie("controls/turn-to-launch-hdg",
                 SGRawValuePointer<bool>(&turn_to_launch_hdg));
-   props->tie("controls/in-to-wind",
+    props->tie("controls/in-to-wind",
                 SGRawValuePointer<bool>(&turn_to_launch_hdg));
-   props->tie("controls/base-course-deg",
+    props->tie("controls/base-course-deg",
                 SGRawValuePointer<double>(&base_course));
-   props->tie("controls/base-speed-kts",
+    props->tie("controls/base-speed-kts",
                 SGRawValuePointer<double>(&base_speed));
-   props->tie("controls/start-pos-lat-deg",
+    props->tie("controls/start-pos-lat-deg",
                 SGRawValuePointer<double>(&initialpos[1]));
-   props->tie("controls/start-pos-long-deg",
+    props->tie("controls/start-pos-long-deg",
                 SGRawValuePointer<double>(&initialpos[0]));
-   props->tie("velocities/speed-kts",  
+    props->tie("velocities/speed-kts",
                 SGRawValuePointer<double>(&speed));
-   props->tie("environment/surface-wind-speed-true-kts",  
+    props->tie("environment/surface-wind-speed-true-kts",
                 SGRawValuePointer<double>(&wind_speed_kts));
-   props->tie("environment/surface-wind-from-true-degs",  
+    props->tie("environment/surface-wind-from-true-degs",
                 SGRawValuePointer<double>(&wind_from_deg));
-   props->tie("environment/rel-wind-from-degs",  
+    props->tie("environment/rel-wind-from-degs",
                 SGRawValuePointer<double>(&rel_wind_from_deg));
-   props->tie("environment/rel-wind-from-carrier-hdg-degs",  
+    props->tie("environment/rel-wind-from-carrier-hdg-degs",
                 SGRawValuePointer<double>(&rel_wind));
-   props->tie("environment/rel-wind-speed-kts",  
+    props->tie("environment/rel-wind-speed-kts",
                 SGRawValuePointer<double>(&rel_wind_speed_kts));
-   props->tie("controls/flols/wave-off-lights",  
+    props->tie("controls/flols/wave-off-lights",
                 SGRawValuePointer<bool>(&wave_off_lights));
-   props->tie("controls/elevators",
+    props->tie("controls/elevators",
                 SGRawValuePointer<bool>(&elevators));
-   props->tie("surface-positions/elevators-pos-norm",
+    props->tie("surface-positions/elevators-pos-norm",
                 SGRawValuePointer<double>(&pos_norm));
-   props->tie("controls/elevators-trans-time-s",
+    props->tie("controls/elevators-trans-time-s",
                 SGRawValuePointer<double>(&transition_time));
-   props->tie("controls/elevators-time-constant",
+    props->tie("controls/elevators-time-constant",
                 SGRawValuePointer<double>(&time_constant));
-                    
-   props->setBoolValue("controls/flols/cut-lights", false);
-   props->setBoolValue("controls/flols/wave-off-lights", false);
-   props->setBoolValue("controls/flols/cond-datum-lights", true);
-   props->setBoolValue("controls/crew", false);
-   props->setStringValue("navaids/tacan/channel-ID", TACAN_channel_id.c_str());
-   props->setStringValue("sign", sign.c_str());
+
+    props->setBoolValue("controls/flols/cut-lights", false);
+    props->setBoolValue("controls/flols/wave-off-lights", false);
+    props->setBoolValue("controls/flols/cond-datum-lights", true);
+    props->setBoolValue("controls/crew", false);
+    props->setStringValue("navaids/tacan/channel-ID", TACAN_channel_id.c_str());
+    props->setStringValue("sign", sign.c_str());
 }
 
+
 void FGAICarrier::unbind() {
     FGAIShip::unbind();
-    
+
     props->untie("velocities/true-airspeed-kt");
-    
     props->untie("controls/flols/source-lights");
     props->untie("controls/flols/distance-m");
     props->untie("controls/flols/angle-degs");
@@ -352,456 +350,454 @@ bool FGAICarrier::getParkPosition(const string& id, Point3D& geodPos,
                                   double& hdng, sgdVec3 uvw)
 {
 
-  // FIXME: does not yet cover rotation speeds.
-  list<ParkPosition>::iterator it = ppositions.begin();
-  while (it != ppositions.end()) {
-    // Take either the specified one or the first one ...
-    if ((*it).name == id || id.empty()) {
-      ParkPosition ppos = *it;
-      geodPos = getGeocPosAt(ppos.offset);
-      hdng = hdg + ppos.heading_deg;
-      double shdng = sin(ppos.heading_deg * SGD_DEGREES_TO_RADIANS);
-      double chdng = cos(ppos.heading_deg * SGD_DEGREES_TO_RADIANS);
-      double speed_fps = speed*1.6878099;
-      sgdSetVec3(uvw, chdng*speed_fps, shdng*speed_fps, 0);
-      return true;
+    // FIXME: does not yet cover rotation speeds.
+    list<ParkPosition>::iterator it = ppositions.begin();
+    while (it != ppositions.end()) {
+        // Take either the specified one or the first one ...
+        if ((*it).name == id || id.empty()) {
+            ParkPosition ppos = *it;
+            geodPos = getGeocPosAt(ppos.offset);
+            hdng = hdg + ppos.heading_deg;
+            double shdng = sin(ppos.heading_deg * SGD_DEGREES_TO_RADIANS);
+            double chdng = cos(ppos.heading_deg * SGD_DEGREES_TO_RADIANS);
+            double speed_fps = speed*1.6878099;
+            sgdSetVec3(uvw, chdng*speed_fps, shdng*speed_fps, 0);
+            return true;
+        }
+        ++it;
     }
-    ++it;
-  }
 
-  return false;
+    return false;
 }
 
+
 void FGAICarrier::mark_nohot(ssgEntity* e) {
-  if (e->isAKindOf(ssgTypeBranch())) {
-    ssgBranch* br = (ssgBranch*)e;
-    ssgEntity* kid;
-    for ( kid = br->getKid(0); kid != NULL ; kid = br->getNextKid() )
-      mark_nohot(kid);
+    if (e->isAKindOf(ssgTypeBranch())) {
+        ssgBranch* br = (ssgBranch*)e;
+        ssgEntity* kid;
+        for ( kid = br->getKid(0); kid != NULL ; kid = br->getNextKid() )
+            mark_nohot(kid);
 
-    br->clrTraversalMaskBits(SSGTRAV_HOT);
-    
-  } else if (e->isAKindOf(ssgTypeLeaf())) {
+        br->clrTraversalMaskBits(SSGTRAV_HOT);
 
-    e->clrTraversalMaskBits(SSGTRAV_HOT);
+    } else if (e->isAKindOf(ssgTypeLeaf())) {
 
-  }
+        e->clrTraversalMaskBits(SSGTRAV_HOT);
+    }
 }
 
+
 bool FGAICarrier::mark_wires(ssgEntity* e, const list<string>& wire_objects, bool mark) {
-  bool found = false;
-  if (e->isAKindOf(ssgTypeBranch())) {
-    ssgBranch* br = (ssgBranch*)e;
-    ssgEntity* kid;
-
-    list<string>::const_iterator it;
-    for (it = wire_objects.begin(); it != wire_objects.end(); ++it)
-      mark = mark || (e->getName() && (*it) == e->getName());
-
-    for ( kid = br->getKid(0); kid != NULL ; kid = br->getNextKid() )
-      found = mark_wires(kid, wire_objects, mark) || found;
-
-    if (found)
-      br->setTraversalMaskBits(SSGTRAV_HOT);
-    
-  } else if (e->isAKindOf(ssgTypeLeaf())) {
-    list<string>::const_iterator it;
-    for (it = wire_objects.begin(); it != wire_objects.end(); ++it) {
-      if (mark || (e->getName() && (*it) == e->getName())) {
-        e->setTraversalMaskBits(SSGTRAV_HOT);
-        ssgBase* ud = e->getUserData();
-        if (ud) {
-          FGAICarrierHardware* ch = dynamic_cast<FGAICarrierHardware*>(ud);
-          if (ch) {
-            SG_LOG(SG_GENERAL, SG_WARN,
-                   "AICarrier: Carrier hardware gets marked twice!\n"
-                   "           You have propably a whole branch marked as"
-                   " a wire which also includes other carrier hardware."
-                   );
-          } else {
-            SG_LOG(SG_GENERAL, SG_ALERT,
-                   "AICarrier: Found user data attached to a leaf node which "
-                   "should be marked as a wire!\n    ****Skipping!****");
-          }
-        } else {
-          e->setUserData( FGAICarrierHardware::newWire( this ) );
-          ssgLeaf *l = (ssgLeaf*)e;
-          if ( l->getNumLines() != 1 ) {
-            SG_LOG(SG_GENERAL, SG_ALERT,
-                   "AICarrier: Found wires not modelled with exactly one line!");
-          }
-          found = true;
+    bool found = false;
+    if (e->isAKindOf(ssgTypeBranch())) {
+        ssgBranch* br = (ssgBranch*)e;
+        ssgEntity* kid;
+
+        list<string>::const_iterator it;
+        for (it = wire_objects.begin(); it != wire_objects.end(); ++it)
+            mark = mark || (e->getName() && (*it) == e->getName());
+
+        for ( kid = br->getKid(0); kid != NULL ; kid = br->getNextKid() )
+            found = mark_wires(kid, wire_objects, mark) || found;
+
+        if (found)
+            br->setTraversalMaskBits(SSGTRAV_HOT);
+
+    } else if (e->isAKindOf(ssgTypeLeaf())) {
+        list<string>::const_iterator it;
+        for (it = wire_objects.begin(); it != wire_objects.end(); ++it) {
+            if (mark || (e->getName() && (*it) == e->getName())) {
+                e->setTraversalMaskBits(SSGTRAV_HOT);
+                ssgBase* ud = e->getUserData();
+                if (ud) {
+                    FGAICarrierHardware* ch = dynamic_cast<FGAICarrierHardware*>(ud);
+                    if (ch) {
+                        SG_LOG(SG_GENERAL, SG_WARN,
+                                "AICarrier: Carrier hardware gets marked twice!\n"
+                                "           You have probably a whole branch marked as"
+                                " a wire which also includes other carrier hardware.");
+                    } else {
+                        SG_LOG(SG_GENERAL, SG_ALERT,
+                                "AICarrier: Found user data attached to a leaf node which "
+                                "should be marked as a wire!\n    ****Skipping!****");
+                    }
+                } else {
+                    e->setUserData( FGAICarrierHardware::newWire( this ) );
+                    ssgLeaf *l = (ssgLeaf*)e;
+                    if ( l->getNumLines() != 1 ) {
+                        SG_LOG(SG_GENERAL, SG_ALERT,
+                                "AICarrier: Found wires not modeled with exactly one line!");
+                    }
+                    found = true;
+                }
+            }
         }
-      }
     }
-  }
-  return found;
+    return found;
 }
 
+
 bool FGAICarrier::mark_solid(ssgEntity* e, const list<string>& solid_objects, bool mark) {
-  bool found = false;
-  if (e->isAKindOf(ssgTypeBranch())) {
-    ssgBranch* br = (ssgBranch*)e;
-    ssgEntity* kid;
-
-    list<string>::const_iterator it;
-    for (it = solid_objects.begin(); it != solid_objects.end(); ++it)
-      mark = mark || (e->getName() && (*it) == e->getName());
-
-    for ( kid = br->getKid(0); kid != NULL ; kid = br->getNextKid() )
-      found = mark_solid(kid, solid_objects, mark) || found;
-
-    if (found)
-      br->setTraversalMaskBits(SSGTRAV_HOT);
-    
-  } else if (e->isAKindOf(ssgTypeLeaf())) {
-    list<string>::const_iterator it;
-    for (it = solid_objects.begin(); it != solid_objects.end(); ++it) {
-      if (mark || (e->getName() && (*it) == e->getName())) {
-        e->setTraversalMaskBits(SSGTRAV_HOT);
-        ssgBase* ud = e->getUserData();
-        if (ud) {
-          FGAICarrierHardware* ch = dynamic_cast<FGAICarrierHardware*>(ud);
-          if (ch) {
-            SG_LOG(SG_GENERAL, SG_WARN,
-                   "AICarrier: Carrier hardware gets marked twice!\n"
-                   "           You have propably a whole branch marked solid"
-                   " which also includes other carrier hardware."
-                   );
-          } else {
-            SG_LOG(SG_GENERAL, SG_ALERT,
-                   "AICarrier: Found user data attached to a leaf node which "
-                   "should be marked solid!\n    ****Skipping!****");
-          }
-        } else {
-          e->setUserData( FGAICarrierHardware::newSolid( this ) );
-          found = true;
+    bool found = false;
+    if (e->isAKindOf(ssgTypeBranch())) {
+        ssgBranch* br = (ssgBranch*)e;
+        ssgEntity* kid;
+
+        list<string>::const_iterator it;
+        for (it = solid_objects.begin(); it != solid_objects.end(); ++it)
+            mark = mark || (e->getName() && (*it) == e->getName());
+
+        for ( kid = br->getKid(0); kid != NULL ; kid = br->getNextKid() )
+            found = mark_solid(kid, solid_objects, mark) || found;
+
+        if (found)
+            br->setTraversalMaskBits(SSGTRAV_HOT);
+
+    } else if (e->isAKindOf(ssgTypeLeaf())) {
+        list<string>::const_iterator it;
+        for (it = solid_objects.begin(); it != solid_objects.end(); ++it) {
+            if (mark || (e->getName() && (*it) == e->getName())) {
+                e->setTraversalMaskBits(SSGTRAV_HOT);
+                ssgBase* ud = e->getUserData();
+
+                if (ud) {
+                    FGAICarrierHardware* ch = dynamic_cast<FGAICarrierHardware*>(ud);
+                    if (ch) {
+                        SG_LOG(SG_GENERAL, SG_WARN,
+                                "AICarrier: Carrier hardware gets marked twice!\n"
+                                "           You have probably a whole branch marked solid"
+                                " which also includes other carrier hardware.");
+                    } else {
+                        SG_LOG(SG_GENERAL, SG_ALERT,
+                                "AICarrier: Found user data attached to a leaf node which "
+                                "should be marked solid!\n    ****Skipping!****");
+                    }
+                } else {
+                    e->setUserData( FGAICarrierHardware::newSolid( this ) );
+                    found = true;
+                }
+            }
         }
-      }
     }
-  }
-  return found;
+    return found;
 }
 
+
 bool FGAICarrier::mark_cat(ssgEntity* e, const list<string>& cat_objects, bool mark) {
-  bool found = false;
-  if (e->isAKindOf(ssgTypeBranch())) {
-    ssgBranch* br = (ssgBranch*)e;
-    ssgEntity* kid;
-
-    list<string>::const_iterator it;
-    for (it = cat_objects.begin(); it != cat_objects.end(); ++it)
-      mark = mark || (e->getName() && (*it) == e->getName());
-
-    for ( kid = br->getKid(0); kid != NULL ; kid = br->getNextKid() )
-      found = mark_cat(kid, cat_objects, mark) || found;
-
-    if (found)
-      br->setTraversalMaskBits(SSGTRAV_HOT);
-    
-  } else if (e->isAKindOf(ssgTypeLeaf())) {
-    list<string>::const_iterator it;
-    for (it = cat_objects.begin(); it != cat_objects.end(); ++it) {
-      if (mark || (e->getName() && (*it) == e->getName())) {
-        e->setTraversalMaskBits(SSGTRAV_HOT);
-        ssgBase* ud = e->getUserData();
-        if (ud) {
-          FGAICarrierHardware* ch = dynamic_cast<FGAICarrierHardware*>(ud);
-          if (ch) {
-            SG_LOG(SG_GENERAL, SG_WARN,
-                   "AICarrier: Carrier hardware gets marked twice!\n"
-                   "You have probably a whole branch marked as"
-                   "a catapult which also includes other carrier hardware."
-                    );
-          } else {
-            SG_LOG(SG_GENERAL, SG_ALERT,
-                   "AICarrier: Found user data attached to a leaf node which "
-                   "should be marked as a catapult!\n    ****Skipping!****");
-          }
-        } else {
-          e->setUserData( FGAICarrierHardware::newCatapult( this ) );
-          ssgLeaf *l = (ssgLeaf*)e;
-          if ( l->getNumLines() != 1 ) {
-            SG_LOG(SG_GENERAL, SG_ALERT,
-                   "AICarrier: Found a cat not modelled with exactly "
-                   "one line!");
-          } else {
-            // Now some special code to make sure the cat points in the right
-            // direction. The 0 index must be the backward end, the 1 index
-            // the forward end.
-            // Forward is positive x-direction in our 3D model, also the model
-            // as such is flattened when it is loaded, so we do not need to
-            // care for transforms ...
-            short v[2];
-            l->getLine(0, v, v+1 );
-            sgVec3 ends[2];
-            for (int k=0; k<2; ++k)
-              sgCopyVec3( ends[k], l->getVertex( v[k] ) );
-            
-            // When the 1 end is behind the 0 end, swap the coordinates.
-            if (ends[0][0] < ends[1][0]) {
-              sgCopyVec3( l->getVertex( v[0] ), ends[1] );
-              sgCopyVec3( l->getVertex( v[1] ), ends[0] );
+    bool found = false;
+    if (e->isAKindOf(ssgTypeBranch())) {
+        ssgBranch* br = (ssgBranch*)e;
+        ssgEntity* kid;
+
+        list<string>::const_iterator it;
+        for (it = cat_objects.begin(); it != cat_objects.end(); ++it)
+            mark = mark || (e->getName() && (*it) == e->getName());
+
+        for ( kid = br->getKid(0); kid != NULL ; kid = br->getNextKid() )
+            found = mark_cat(kid, cat_objects, mark) || found;
+
+        if (found)
+            br->setTraversalMaskBits(SSGTRAV_HOT);
+
+    } else if (e->isAKindOf(ssgTypeLeaf())) {
+        list<string>::const_iterator it;
+        for (it = cat_objects.begin(); it != cat_objects.end(); ++it) {
+            if (mark || (e->getName() && (*it) == e->getName())) {
+                e->setTraversalMaskBits(SSGTRAV_HOT);
+                ssgBase* ud = e->getUserData();
+                if (ud) {
+                    FGAICarrierHardware* ch = dynamic_cast<FGAICarrierHardware*>(ud);
+                    if (ch) {
+                        SG_LOG(SG_GENERAL, SG_WARN,
+                                "AICarrier: Carrier hardware gets marked twice!\n"
+                                "You have probably a whole branch marked as"
+                                "a catapult which also includes other carrier hardware.");
+                    } else {
+                        SG_LOG(SG_GENERAL, SG_ALERT,
+                                "AICarrier: Found user data attached to a leaf node which "
+                                "should be marked as a catapult!\n    ****Skipping!****");
+                    }
+                } else {
+                    e->setUserData( FGAICarrierHardware::newCatapult( this ) );
+                    ssgLeaf *l = (ssgLeaf*)e;
+                    if ( l->getNumLines() != 1 ) {
+                        SG_LOG(SG_GENERAL, SG_ALERT,
+                                "AICarrier: Found a cat not modeled with exactly "
+                                "one line!");
+                    } else {
+                        // Now some special code to make sure the cat points in the right
+                        // direction. The 0 index must be the backward end, the 1 index
+                        // the forward end.
+                        // Forward is positive x-direction in our 3D model, also the model
+                        // as such is flattened when it is loaded, so we do not need to
+                        // care for transforms ...
+                        short v[2];
+                        l->getLine(0, v, v+1 );
+                        sgVec3 ends[2];
+                        for (int k=0; k<2; ++k)
+                            sgCopyVec3( ends[k], l->getVertex( v[k] ) );
+
+                        // When the 1 end is behind the 0 end, swap the coordinates.
+                        if (ends[0][0] < ends[1][0]) {
+                            sgCopyVec3( l->getVertex( v[0] ), ends[1] );
+                            sgCopyVec3( l->getVertex( v[1] ), ends[0] );
+                        }
+                        found = true;
+                    }
+                }
             }
-
-            found = true;
-          }
         }
-      }
     }
-  }
-  return found;
+    return found;
 }
 
+
 void FGAICarrier::UpdateFlols(const sgdMat3& trans) {
-    
+
     float in[3];
     float out[3];
 
-    double flolsXYZ[3], eyeXYZ[3]; 
+    double flolsXYZ[3], eyeXYZ[3];
     double lat, lon, alt;
     Point3D eyepos;
-    Point3D flolspos;  
-
-/*    cout << "x_offset " << flols_x_offset 
-          << " y_offset " << flols_y_offset 
-          << " z_offset " << flols_z_offset << endl;
-        
-     cout << "roll " << roll 
-          << " heading " << hdg
-          << " pitch " << pitch << endl;
-        
-     cout << "carrier lon " << pos[0] 
-          << " lat " <<  pos[1]
-          << " alt " << pos[2] << endl;*/
-        
-// set the Flols intitial position to the carrier position
-  flolspos = pos;
-  
-/*  cout << "flols lon " << flolspos[0] 
-          << " lat " <<  flolspos[1]
-          << " alt " << flolspos[2] << endl;*/
-          
-// set the offsets in metres
-
-/*  cout << "flols_x_offset " << flols_x_offset << endl
-       << "flols_y_offset " << flols_y_offset << endl
-       << "flols_z_offset " << flols_z_offset << endl;*/
-     
-  in[0] = flols_off.x();  
-  in[1] = flols_off.y();
-  in[2] = flols_off.z();    
-
-// multiply the input and transform matrices
-
-   out[0] = in[0] * trans[0][0] + in[1] * trans[0][1] + in[2] * trans[0][2];
-   out[1] = in[0] * trans[1][0] + in[1] * trans[1][1] + in[2] * trans[1][2];
-   out[2] = in[0] * trans[2][0] + in[1] * trans[2][1] + in[2] * trans[2][2];
-// convert meters to ft to degrees of latitude
-   out[0] = (out[0] * 3.28083989501) /(366468.96 - 3717.12 * cos(flolspos[0] * SG_DEGREES_TO_RADIANS));
-
-// convert meters to ft to degrees of longitude
-   out[1] = (out[1] * 3.28083989501)/(365228.16 * cos(flolspos[1] * SG_DEGREES_TO_RADIANS));
-
-//print out the result
-/*   cout  << "lat adjust deg" << out[0] 
-        << " lon adjust deg " << out[1] 
-        << " alt adjust m " << out[2]  << endl;*/
-
-// adjust Flols position    
-   flolspos[0] += out[0];
-   flolspos[1] += out[1];
-   flolspos[2] += out[2];   
-
-// convert flols position to cartesian co-ordinates 
-
-  sgGeodToCart(flolspos[1] * SG_DEGREES_TO_RADIANS,
-               flolspos[0] * SG_DEGREES_TO_RADIANS,
-               flolspos[2] , flolsXYZ );
-
-
-/*  cout << "flols X " << flolsXYZ[0] 
-       << " Y " <<  flolsXYZ[1]
-       << " Z " << flolsXYZ[2] << endl; 
-
-// check the conversion
-         
-  sgCartToGeod(flolsXYZ, &lat, &lon, &alt);
-  cout << "flols check lon " << lon   
-        << " lat " << lat 
-        << " alt " << alt << endl;      */
-               
-//get the current position of the pilot's eyepoint (cartesian cordinates)
-
-  sgdCopyVec3( eyeXYZ, globals->get_current_view()->get_absolute_view_pos() );
-  
- /* cout  << "Eye_X "  << eyeXYZ[0] 
-        << " Eye_Y " << eyeXYZ[1] 
-        << " Eye_Z " << eyeXYZ[2]  << endl; */
-        
-  sgCartToGeod(eyeXYZ, &lat, &lon, &alt);
-  
-  eyepos[0] = lon * SG_RADIANS_TO_DEGREES;
-  eyepos[1] = lat * SG_RADIANS_TO_DEGREES;
-  eyepos[2] = alt;
-  
+    Point3D flolspos;
+
+/*    cout << "x_offset " << flols_x_offset
+         << " y_offset " << flols_y_offset
+         << " z_offset " << flols_z_offset << endl;
+
+    cout << "roll " << roll
+         << " heading " << hdg
+         << " pitch " << pitch << endl;
+
+    cout << "carrier lon " << pos[0]
+         << " lat " <<  pos[1]
+         << " alt " << pos[2] << endl;
+*/
+
+    // set the Flols initial position to the carrier position
+
+    flolspos = pos;
+
+/*    cout << "flols lon " << flolspos[0]
+         << " lat " <<  flolspos[1]
+         << " alt " << flolspos[2] << endl;
+
+    // set the offsets in metres
+
+    cout << "flols_x_offset " << flols_x_offset << endl
+         << "flols_y_offset " << flols_y_offset << endl
+         << "flols_z_offset " << flols_z_offset << endl;
+*/
+
+    in[0] = flols_off.x();
+    in[1] = flols_off.y();
+    in[2] = flols_off.z();
+
+    // multiply the input and transform matrices
+    out[0] = in[0] * trans[0][0] + in[1] * trans[0][1] + in[2] * trans[0][2];
+    out[1] = in[0] * trans[1][0] + in[1] * trans[1][1] + in[2] * trans[1][2];
+    out[2] = in[0] * trans[2][0] + in[1] * trans[2][1] + in[2] * trans[2][2];
+
+    // convert meters to ft to degrees of latitude
+    out[0] = (out[0] * 3.28083989501) /
+            (366468.96 - 3717.12 * cos(flolspos[0] * SG_DEGREES_TO_RADIANS));
+
+    // convert meters to ft to degrees of longitude
+    out[1] = (out[1] * 3.28083989501) /
+            (365228.16 * cos(flolspos[1] * SG_DEGREES_TO_RADIANS));
+
+/*    cout  << "lat adjust deg" << out[0]
+          << " lon adjust deg " << out[1]
+          << " alt adjust m " << out[2]  << endl;
+*/
+
+    // adjust Flols position
+    flolspos[0] += out[0];
+    flolspos[1] += out[1];
+    flolspos[2] += out[2];
+
+    // convert flols position to cartesian co-ordinates
+    sgGeodToCart(flolspos[1] * SG_DEGREES_TO_RADIANS,
+                 flolspos[0] * SG_DEGREES_TO_RADIANS,
+                 flolspos[2] , flolsXYZ );
+
+
+/*    cout << "flols X " << flolsXYZ[0]
+         << " Y " <<  flolsXYZ[1]
+         << " Z " << flolsXYZ[2] << endl;
+
+    // check the conversion
+
+    sgCartToGeod(flolsXYZ, &lat, &lon, &alt);
+
+    cout << "flols check lon " << lon
+         << " lat " << lat
+         << " alt " << alt << endl;
+*/
+
+    // get the current position of the pilot's eyepoint (cartesian coordinates)
+    sgdCopyVec3( eyeXYZ, globals->get_current_view()->get_absolute_view_pos() );
+
+/*    cout  << "Eye_X "  << eyeXYZ[0]
+          << " Eye_Y " << eyeXYZ[1]
+          << " Eye_Z " << eyeXYZ[2]  << endl;
+*/
+
+    sgCartToGeod(eyeXYZ, &lat, &lon, &alt);
+
+    eyepos[0] = lon * SG_RADIANS_TO_DEGREES;
+    eyepos[1] = lat * SG_RADIANS_TO_DEGREES;
+    eyepos[2] = alt;
+
 /*  cout << "eye lon " << eyepos[0]
-        << " eye lat " << eyepos[1] 
-        << " eye alt " << eyepos[2] << endl; */
-
-//calculate the ditance from eye to flols
-      
-  dist = sgdDistanceVec3( flolsXYZ, eyeXYZ );
-
-//apply an index error
-
-  dist -= 100;
-  
-  //cout << "distance " << dist << endl; 
-  
-  if ( dist < 5000 ) {
-       // calculate height above FLOLS 
-       double y = eyepos[2] - flolspos[2];
-       
-       // calculate the angle from the flols to eye
-       // above the horizontal
-       // double angle;
-       
-       if ( dist != 0 ) {
-           angle = asin( y / dist );
-         } else {
-           angle = 0.0;
-         }
-        
-       angle *= SG_RADIANS_TO_DEGREES;
-        
-      
-  // cout << " height " << y << " angle " << angle ;
-
-// set the value of source  
-        
-       if ( angle <= 4.35 && angle > 4.01 )
-         { source = 1; }
-         else if ( angle <= 4.01 && angle > 3.670 )
-         { source = 2; }
-         else if ( angle <= 3.670 && angle > 3.330 )
-         { source = 3; }
-         else if ( angle <= 3.330 && angle > 2.990 )
-         { source = 4; }
-         else if ( angle <= 2.990 && angle > 2.650 )
-         { source = 5; }
-         else if ( angle <= 2.650  )
-         { source = 6; }
-         else
-         { source = 0; }
-         
-//         cout << " source " << source << endl;
-                     
-   }   
-} // end updateflols
+        << " eye lat " << eyepos[1]
+        << " eye alt " << eyepos[2] << endl;
+*/
 
-// find relative wind
+    //calculate the distance from eye to flols
+    dist = sgdDistanceVec3( flolsXYZ, eyeXYZ );
+
+    //apply an index error
+    dist -= 100;
+
+    //cout << "distance " << dist << endl;
+    if ( dist > 5000 )
+        return;
+
+    // calculate height above FLOLS
+    double y = eyepos[2] - flolspos[2];
 
+    // calculate the angle from the flols to eye
+    // above the horizontal
+    // double angle;
 
+    if ( dist != 0 )
+        angle = asin( y / dist );
+    else
+        angle = 0.0;
 
+    angle *= SG_RADIANS_TO_DEGREES;
+
+
+    // cout << " height " << y << " angle " << angle ;
+
+    // set the value of source
+
+    if ( angle <= 4.35 && angle > 4.01 )
+        source = 1;
+    else if ( angle <= 4.01 && angle > 3.670 )
+        source = 2;
+    else if ( angle <= 3.670 && angle > 3.330 )
+        source = 3;
+    else if ( angle <= 3.330 && angle > 2.990 )
+        source = 4;
+    else if ( angle <= 2.990 && angle > 2.650 )
+        source = 5;
+    else if ( angle <= 2.650 )
+        source = 6;
+    else
+        source = 0;
+
+    // cout << " source " << source << endl;
+
+} // end updateflols
 
+
+
+// find relative wind
 void FGAICarrier::UpdateWind( double dt) {
 
     double recip;
-    
+
     //calculate the reciprocal hdg
-    
-    if (hdg >= 180){
+
+    if (hdg >= 180)
         recip = hdg - 180;
-    }
-    else{
+    else
         recip = hdg + 180;
-    }
-    
+
     //cout <<" heading: " << hdg << "recip: " << recip << endl;
-    
+
     //get the surface wind speed and direction
     wind_from_deg = _surface_wind_from_deg_node->getDoubleValue();
     wind_speed_kts  = _surface_wind_speed_node->getDoubleValue();
-    
-    //calculate the surface wind speed north and east in kts   
+
+    //calculate the surface wind speed north and east in kts
     double wind_speed_from_north_kts = cos( wind_from_deg / SGD_RADIANS_TO_DEGREES )* wind_speed_kts ;
     double wind_speed_from_east_kts  = sin( wind_from_deg / SGD_RADIANS_TO_DEGREES )* wind_speed_kts ;
-    
-    //calculate the carrier speed north and east in kts   
+
+    //calculate the carrier speed north and east in kts
     double speed_north_kts = cos( hdg / SGD_RADIANS_TO_DEGREES )* speed ;
     double speed_east_kts  = sin( hdg / SGD_RADIANS_TO_DEGREES )* speed ;
-    
+
     //calculate the relative wind speed north and east in kts
     double rel_wind_speed_from_east_kts = wind_speed_from_east_kts + speed_east_kts;
     double rel_wind_speed_from_north_kts = wind_speed_from_north_kts + speed_north_kts;
-    
-    //combine relative speeds north and east to get relative windspeed in kts                          
-    rel_wind_speed_kts = sqrt((rel_wind_speed_from_east_kts * rel_wind_speed_from_east_kts) 
+
+    //combine relative speeds north and east to get relative windspeed in kts
+    rel_wind_speed_kts = sqrt((rel_wind_speed_from_east_kts * rel_wind_speed_from_east_kts)
     + (rel_wind_speed_from_north_kts * rel_wind_speed_from_north_kts));
-    
+
     //calculate the relative wind direction
-    rel_wind_from_deg = atan(rel_wind_speed_from_east_kts/rel_wind_speed_from_north_kts) 
+    rel_wind_from_deg = atan(rel_wind_speed_from_east_kts/rel_wind_speed_from_north_kts)
                             * SG_RADIANS_TO_DEGREES;
-    
+
     // rationalise the output
-    if (rel_wind_speed_from_north_kts <= 0){
+    if (rel_wind_speed_from_north_kts <= 0) {
         rel_wind_from_deg = 180 + rel_wind_from_deg;
-    }
-    else{
-        if(rel_wind_speed_from_east_kts <= 0){
+    } else {
+        if(rel_wind_speed_from_east_kts <= 0)
             rel_wind_from_deg = 360 + rel_wind_from_deg;
-        }    
     }
-    
+
     //calculate rel wind
-    rel_wind = rel_wind_from_deg - hdg  ;
-    if (rel_wind > 180) rel_wind -= 360;
-    
+    rel_wind = rel_wind_from_deg - hdg;
+    if (rel_wind > 180)
+        rel_wind -= 360;
+
     //switch the wave-off lights
-    if (InToWind()){
+    if (InToWind())
        wave_off_lights = false;
-    }else{
+    else
        wave_off_lights = true;
-    }    
-       
+
     // cout << "rel wind: " << rel_wind << endl;
 
 }// end update wind
 
+
 void FGAICarrier::TurnToLaunch(){
-    
-     //calculate tgt speed
-       double tgt_speed = 25 - wind_speed_kts;
-       if (tgt_speed < 10) tgt_speed = 10;
-       
-     //turn the carrier
-       FGAIShip::TurnTo(wind_from_deg); 
-       FGAIShip::AccelTo(tgt_speed); 
-           
-     
-        
-}  // end turn to launch
-   
+
+    //calculate tgt speed
+    double tgt_speed = 25 - wind_speed_kts;
+    if (tgt_speed < 10)
+        tgt_speed = 10;
+
+    //turn the carrier
+    FGAIShip::TurnTo(wind_from_deg);
+    FGAIShip::AccelTo(tgt_speed);
+
+}
+
+
 void FGAICarrier::TurnToBase(){
-    
+
     //turn the carrier
-       FGAIShip::TurnTo(base_course); 
-       FGAIShip::AccelTo(base_speed); 
-    
-} //  end turn to base  
+    FGAIShip::TurnTo(base_course);
+    FGAIShip::AccelTo(base_speed);
+
+}
+
 
 void FGAICarrier::ReturnToBox(){
     double course, distance, az2;
-        
+
     //get the carrier position
     carrierpos = pos;
-    
+
     //cout << "lat: " << carrierpos[1] << " lon: " << carrierpos[0] << endl;
-    
+
     //calculate the bearing and range of the initial position from the carrier
     geo_inverse_wgs_84(carrierpos[2],
                        carrierpos[1],
@@ -809,63 +805,78 @@ void FGAICarrier::ReturnToBox(){
                        initialpos[1],
                        initialpos[0],
                        &course, &az2, &distance);
-                     
+
     distance *= SG_METER_TO_NM;
 
     //cout << "return course: " << course << " distance: " << distance << endl;
     //turn the carrier
-       FGAIShip::TurnTo(course); 
-       FGAIShip::AccelTo(base_speed);
-       if (distance >= 1 ){
-           returning = true;
-       }else{
-           returning = false;
-       }        
-    
-} //  end turn to base  
-    
-                         
-
-bool FGAICarrier::OutsideBox(){ //returns true if the carrier is outside operating box
+    FGAIShip::TurnTo(course);
+    FGAIShip::AccelTo(base_speed);
+
+    if (distance >= 1)
+        returning = true;
+    else
+        returning = false;
+
+} //  end turn to base
+
+
+bool FGAICarrier::OutsideBox() { //returns true if the carrier is outside operating box
 
     if ( max_lat == 0 && min_lat == 0 && max_long == 0 && min_long == 0) {
-       SG_LOG(SG_GENERAL, SG_DEBUG, "AICarrier: No Operating Box defined" );
-       return false;
-    }        
-     
-    if (initialpos[1] >= 0){//northern hemisphere
-        if (pos[1] >= initialpos[1] + max_lat) {return true;}
-        else if (pos[1] <= initialpos[1] - min_lat) {return true;}
-    }else{                  //southern hemisphere
-        if (pos[1] <= initialpos[1] - max_lat) {return true;}
-        else if (pos[1] >= initialpos[1] + min_lat) {return true;}
+        SG_LOG(SG_GENERAL, SG_DEBUG, "AICarrier: No Operating Box defined" );
+        return false;
     }
-    
-    if (initialpos[0] >=0) {//eastern hemisphere
-        if (pos[0] >= initialpos[0] + max_long) {return true;}
-        else if (pos[0] <= initialpos[0] - min_long) {return true;}
-    }else{                 //western hemisphere
-        if (pos[0] <= initialpos[0] - max_long) {return true;}
-        else if (pos[0] >= initialpos[0] + min_long) {return true;}
+
+    if (initialpos[1] >= 0) { //northern hemisphere
+        if (pos[1] >= initialpos[1] + max_lat)
+            return true;
+
+        if (pos[1] <= initialpos[1] - min_lat)
+            return true;
+
+    } else {                  //southern hemisphere
+        if (pos[1] <= initialpos[1] - max_lat)
+            return true;
+
+        if (pos[1] >= initialpos[1] + min_lat)
+            return true;
     }
-    
+
+    if (initialpos[0] >=0) { //eastern hemisphere
+        if (pos[0] >= initialpos[0] + max_long)
+            return true;
+
+        if (pos[0] <= initialpos[0] - min_long)
+            return true;
+
+    } else {                 //western hemisphere
+        if (pos[0] <= initialpos[0] - max_long)
+            return true;
+
+        if (pos[0] >= initialpos[0] + min_long)
+            return true;
+    }
+
     SG_LOG(SG_GENERAL, SG_DEBUG, "AICarrier: Inside Operating Box" );
-   
-    return false;   
+    return false;
 
 } // end OutsideBox
 
+
 // return the distance to the horizon, given the altitude and the radius of the earth
-float FGAICarrier::Horizon(float h) { return RADIUS_M * acos(RADIUS_M / (RADIUS_M + h)); }
-    
-bool FGAICarrier::InToWind(){
-    
-    // test
-    if ( fabs(rel_wind) < 5 ) return true;
+float FGAICarrier::Horizon(float h) {
+    return RADIUS_M * acos(RADIUS_M / (RADIUS_M + h));
+}
+
+
+bool FGAICarrier::InToWind() {
+    if ( fabs(rel_wind) < 5 )
+        return true;
+
     return false;
-    
-} //end InToWind     
+}
+
 
 void FGAICarrier::UpdateElevator(double dt, double transition_time) {
 
@@ -899,3 +910,4 @@ void FGAICarrier::UpdateElevator(double dt, double transition_time) {
 
 
 int FGAICarrierHardware::unique_id = 1;
+
index 0beb52010086f9145ee1ee9b08a4d6a85a2c3ed6..dfb2b2e9a7e2df1c5392ac6640886c8f00bb0205 100644 (file)
@@ -40,55 +40,55 @@ class FGAICarrier;
 class FGAICarrierHardware : public ssgBase {
 public:
 
-  enum Type { Catapult, Wire, Solid };
-
-  FGAICarrier *carrier;
-  int id;
-  Type type;
-
-  static FGAICarrierHardware* newCatapult(FGAICarrier *c) {
-    FGAICarrierHardware* ch = new FGAICarrierHardware;
-    ch->carrier = c;
-    ch->type = Catapult;
-    ch->id = unique_id++;
-    return ch;
-  }
-  static FGAICarrierHardware* newWire(FGAICarrier *c) {
-    FGAICarrierHardware* ch = new FGAICarrierHardware;
-    ch->carrier = c;
-    ch->type = Wire;
-    ch->id = unique_id++;
-    return ch;
-  }
-  static FGAICarrierHardware* newSolid(FGAICarrier *c) {
-    FGAICarrierHardware* ch = new FGAICarrierHardware;
-    ch->carrier = c;
-    ch->type = Solid;
-    ch->id = unique_id++;
-    return ch;
-  }
+    enum Type { Catapult, Wire, Solid };
+
+    FGAICarrier *carrier;
+    int id;
+    Type type;
+
+    static FGAICarrierHardware* newCatapult(FGAICarrier *c) {
+        FGAICarrierHardware* ch = new FGAICarrierHardware;
+        ch->carrier = c;
+        ch->type = Catapult;
+        ch->id = unique_id++;
+        return ch;
+    }
+    static FGAICarrierHardware* newWire(FGAICarrier *c) {
+        FGAICarrierHardware* ch = new FGAICarrierHardware;
+        ch->carrier = c;
+        ch->type = Wire;
+        ch->id = unique_id++;
+        return ch;
+    }
+    static FGAICarrierHardware* newSolid(FGAICarrier *c) {
+        FGAICarrierHardware* ch = new FGAICarrierHardware;
+        ch->carrier = c;
+        ch->type = Solid;
+        ch->id = unique_id++;
+        return ch;
+    }
 
 private:
-  static int unique_id;
+    static int unique_id;
 };
 
+
 class FGAICarrier  : public FGAIShip {
-       
 public:
-       
-       FGAICarrier(FGAIManager* mgr);
-       ~FGAICarrier();
-
-        void setSolidObjects(const list<string>& solid_objects);
-        void setWireObjects(const list<string>& wire_objects);
-        void setCatapultObjects(const list<string>& catapult_objects);
-        void setParkingPositions(const list<ParkPosition>& p);
-        void setSign(const string& );
-        void setFlolsOffset(const Point3D& off);
-        void setTACANChannelID(const string &);
-
-       void getVelocityWrtEarth(sgdVec3& v, sgdVec3& omega, sgdVec3& pivot);
-       virtual void bind();
+
+    FGAICarrier(FGAIManager* mgr);
+    ~FGAICarrier();
+
+    void setSolidObjects(const list<string>& solid_objects);
+    void setWireObjects(const list<string>& wire_objects);
+    void setCatapultObjects(const list<string>& catapult_objects);
+    void setParkingPositions(const list<ParkPosition>& p);
+    void setSign(const string& );
+    void setFlolsOffset(const Point3D& off);
+    void setTACANChannelID(const string &);
+
+    void getVelocityWrtEarth(sgdVec3& v, sgdVec3& omega, sgdVec3& pivot);
+    virtual void bind();
     virtual void unbind();
     void UpdateFlols ( const sgdMat3& trans );
     void UpdateWind ( double dt );
@@ -102,53 +102,51 @@ public:
     void TurnToBase();
     void ReturnToBox();
     float Horizon(float h);
+    bool OutsideBox();
 
-       bool OutsideBox();
-    
-       
-       bool init();
+    bool init();
 
-        bool getParkPosition(const string& id, Point3D& geodPos,
-                             double& hdng, sgdVec3 uvw);
+    bool getParkPosition(const string& id, Point3D& geodPos,
+                         double& hdng, sgdVec3 uvw);
 
 private:
 
-       void update(double dt);
-       void mark_nohot(ssgEntity*);
-       
-       bool mark_wires(ssgEntity*, const list<string>&, bool = false);
-       bool mark_cat(ssgEntity*, const list<string>&, bool = false);
-       bool mark_solid(ssgEntity*, const list<string>&, bool = false);
-       double wind_from_east;  // fps
+    void update(double dt);
+    void mark_nohot(ssgEntity*);
+
+    bool mark_wires(ssgEntity*, const list<string>&, bool = false);
+    bool mark_cat(ssgEntity*, const list<string>&, bool = false);
+    bool mark_solid(ssgEntity*, const list<string>&, bool = false);
+    double wind_from_east;  // fps
     double wind_from_north; // fps
     double rel_wind_speed_kts;
     double rel_wind_from_deg;
-    
-
-       list<string> solid_objects;       // List of solid object names
-       list<string> wire_objects;        // List of wire object names
-       list<string> catapult_objects;    // List of catapult object names
-       list<ParkPosition> ppositions;    // List of positions where an aircraft can start.
-       string sign;                      // The sign of this carrier.
-
-       // Velocity wrt earth.
-       sgdVec3 vel_wrt_earth;
-       sgdVec3 rot_wrt_earth;
-       sgdVec3 rot_pivot_wrt_earth;
-
-
-        // these describe the flols 
-        Point3D flols_off;
-    
-        double dist;            // the distance of the eyepoint from the flols
-        double angle;
-        int source;             // the flols light which is visible at the moment
+
+
+    list<string> solid_objects;       // List of solid object names
+    list<string> wire_objects;        // List of wire object names
+    list<string> catapult_objects;    // List of catapult object names
+    list<ParkPosition> ppositions;    // List of positions where an aircraft can start.
+    string sign;                      // The sign of this carrier.
+
+    // Velocity wrt earth.
+    sgdVec3 vel_wrt_earth;
+    sgdVec3 rot_wrt_earth;
+    sgdVec3 rot_pivot_wrt_earth;
+
+
+    // these describe the flols
+    Point3D flols_off;
+
+    double dist;            // the distance of the eyepoint from the flols
+    double angle;
+    int source;             // the flols light which is visible at the moment
     bool wave_off_lights;
-    
-    // these are for manoeuvring the carrier
+
+    // these are for maneuvering the carrier
     Point3D carrierpos;
     Point3D initialpos;
-    
+
     double wind_speed_from_north_kts ;
     double wind_speed_from_east_kts  ;
     double wind_speed_kts;  //true wind speed
@@ -156,10 +154,10 @@ private:
     double rel_wind;
     double max_lat, min_lat, max_long, min_long;
     double base_course, base_speed;
-    
+
     bool turn_to_launch_hdg;
     bool returning;      // set if the carrier is returning to an operating box
-    bool InToWind();     // set if the carrier is in to wind   
+    bool InToWind();     // set if the carrier is in to wind
 
 
     SGPropertyNode_ptr _longitude_node;
@@ -167,11 +165,11 @@ private:
     SGPropertyNode_ptr _altitude_node;
     SGPropertyNode_ptr _surface_wind_from_deg_node;
     SGPropertyNode_ptr _surface_wind_speed_node;
-       
+
     // this is for tacan
-    
+
     string TACAN_channel_id;
-    
+
     // these are for moving the elevators
     void UpdateElevator( double dt, double transition_time);
     double step;