]> git.mxchange.org Git - flightgear.git/blobdiff - src/AIModel/AIGroundVehicle.cxx
Merge branch 'next' of git://gitorious.org/fg/flightgear into next
[flightgear.git] / src / AIModel / AIGroundVehicle.cxx
index 21bc80d5ed70a5f46ae069c026ce35aca6f69667..257a73517c3397e78eeb3d18043b3c3d881ff8c7 100644 (file)
@@ -37,18 +37,19 @@ FGAIShip(otGroundVehicle),
 _pitch(0),
 _pitch_deg(0),
 _speed_kt(0),
-_selected_ac(0),
 _range_ft(0),
 _relbrg (0),
 _parent_speed(0),
-_dt_count(0),
-_next_run(0),
 _parent_x_offset(0),
 _parent_y_offset(0),
-_parent("")
+_parent_z_offset(0),
+_dt_count(0),
+_next_run(0),
+_break_count(0)
 
 {
     invisible = false;
+    _parent = "";
 }
 
 FGAIGroundVehicle::~FGAIGroundVehicle() {}
@@ -59,21 +60,22 @@ void FGAIGroundVehicle::readFromScenario(SGPropertyNode* scFileNode) {
 
     FGAIShip::readFromScenario(scFileNode);
 
-    setNoRoll(scFileNode->getBoolValue("no-roll", true));
     setName(scFileNode->getStringValue("name", "groundvehicle"));
-    setSMPath(scFileNode->getStringValue("submodel-path", ""));
+    setParentName(scFileNode->getStringValue("parent", ""));
+    setNoRoll(scFileNode->getBoolValue("no-roll", true));
     setContactX1offset(scFileNode->getDoubleValue("contact-x1-offset", 0.0));
     setContactX2offset(scFileNode->getDoubleValue("contact-x2-offset", 0.0));
-    setXOffset(scFileNode->getDoubleValue("hitch-x-offset", 38.55));
+    setXOffset(scFileNode->getDoubleValue("hitch-x-offset", 35.0));
     setYOffset(scFileNode->getDoubleValue("hitch-y-offset", 0.0));
+    setZOffset(scFileNode->getDoubleValue("hitch-z-offset", 0.0));
     setPitchoffset(scFileNode->getDoubleValue("pitch-offset", 0.0));
     setRolloffset(scFileNode->getDoubleValue("roll-offset", 0.0));
     setYawoffset(scFileNode->getDoubleValue("yaw-offset", 0.0));
     setPitchCoeff(scFileNode->getDoubleValue("pitch-coefficient", 0.1));
     setElevCoeff(scFileNode->getDoubleValue("elevation-coefficient", 0.25));
-    setParentName(scFileNode->getStringValue("parent", ""));
-    setTowAngleGain(scFileNode->getDoubleValue("tow-angle-gain", 2.0));
+    setTowAngleGain(scFileNode->getDoubleValue("tow-angle-gain", 1.0));
     setTowAngleLimit(scFileNode->getDoubleValue("tow-angle-limit-deg", 2.0));
+    setInitialTunnel(scFileNode->getBoolValue("tunnel", false));
     //we may need these later for towed vehicles
     //    setSubID(scFileNode->getIntValue("SubID", 0));
     //    setGroundOffset(scFileNode->getDoubleValue("ground-offset", 0.0));
@@ -99,10 +101,14 @@ void FGAIGroundVehicle::bind() {
         SGRawValuePointer<double>(&_x_offset));
     props->tie("hitch/y-offset-ft",
         SGRawValuePointer<double>(&_y_offset));
+    props->tie("hitch/z-offset-ft",
+        SGRawValuePointer<double>(&_z_offset));
     props->tie("hitch/parent-x-offset-ft",
         SGRawValuePointer<double>(&_parent_x_offset));
     props->tie("hitch/parent-y-offset-ft",
         SGRawValuePointer<double>(&_parent_y_offset));
+    props->tie("hitch/parent-z-offset-ft",
+        SGRawValuePointer<double>(&_parent_z_offset));
     props->tie("controls/constants/tow-angle/gain",
         SGRawValuePointer<double>(&_tow_angle_gain));
     props->tie("controls/constants/tow-angle/limit-deg",
@@ -117,15 +123,17 @@ void FGAIGroundVehicle::unbind() {
     FGAIShip::unbind();
 
     props->untie("controls/constants/elevation-coeff");
-    props->untie("position/ht-AGL-ft");
     props->untie("controls/constants/pitch-coeff");
+    props->untie("position/ht-AGL-ft");
     props->untie("hitch/rel-bearing-deg");
     props->untie("hitch/tow-angle-deg");
     props->untie("hitch/range-ft");
     props->untie("hitch/x-offset-ft");
     props->untie("hitch/y-offset-ft");
+    props->untie("hitch/z-offset-ft");
     props->untie("hitch/parent-x-offset-ft");
     props->untie("hitch/parent-y-offset-ft");
+    props->untie("hitch/parent-y-offset-ft");
     props->untie("controls/constants/tow-angle/gain");
     props->untie("controls/constants/tow-angle/limit-deg");
     props->untie("controls/contact-x1-offset-ft");
@@ -140,14 +148,29 @@ bool FGAIGroundVehicle::init(bool search_in_AI_path) {
     _limit = 200;
     no_roll = true;
 
+    props->setStringValue("controls/parent-name", _parent.c_str());
+
+    if (setParentNode()){
+        _parent_x_offset = _selected_ac->getDoubleValue("hitch/x-offset-ft");
+        _parent_y_offset = _selected_ac->getDoubleValue("hitch/y-offset-ft");
+        _parent_z_offset = _selected_ac->getDoubleValue("hitch/z-offset-ft");
+        _hitch_x_offset_m = _selected_ac->getDoubleValue("hitch/x-offset-ft")
+            * SG_FEET_TO_METER;
+        _hitch_y_offset_m = _selected_ac->getDoubleValue("hitch/y-offset-ft")
+            * SG_FEET_TO_METER;
+        _hitch_z_offset_m = _selected_ac->getDoubleValue("hitch/z-offset-ft")
+            * SG_FEET_TO_METER;
+        setParent();
+    }
+
     return true;
 }
 
 void FGAIGroundVehicle::update(double dt) {
     //    SG_LOG(SG_GENERAL, SG_ALERT, "updating GroundVehicle: " << _name );
+    FGAIShip::update(dt);
 
     RunGroundVehicle(dt);
-//    FGAIShip::update(dt);
 }
 
 void FGAIGroundVehicle::setNoRoll(bool nr) {
@@ -170,6 +193,10 @@ void FGAIGroundVehicle::setYOffset(double y) {
     _y_offset = y;
 }
 
+void FGAIGroundVehicle::setZOffset(double z) {
+    _z_offset = z;
+}
+
 void FGAIGroundVehicle::setPitchCoeff(double pc) {
     _pitch_coeff = pc;
 }
@@ -196,56 +223,22 @@ void FGAIGroundVehicle::setPitch(double p, double dt, double coeff){
     _pitch_deg = (p * c) + (_pitch_deg * (1 - c));
 }
 
-void FGAIGroundVehicle::setParentName(const string& p) {
-    _parent = p;
-}
-
 void FGAIGroundVehicle::setTowAngle(double ta, double dt, double coeff){
-    //_tow_angle = ta * _tow_angle_gain;
-    _tow_angle = pow(ta,2) * sign(ta);
-    SG_CLAMP_RANGE(_tow_angle, -_tow_angle_limit, _tow_angle_limit);
-}
-
-bool FGAIGroundVehicle::getGroundElev(SGGeod inpos) {
-
-    double height_m ;
-
-    if (globals->get_scenery()->get_elevation_m(SGGeod::fromGeodM(inpos, 3000), height_m, &_material,0)){
-            _ht_agl_ft = inpos.getElevationFt() - height_m * SG_METER_TO_FEET;
-
-            if (_material) {
-                const vector<string>& names = _material->get_names();
-
-                _solid = _material->get_solid();
-
-                if (!names.empty())
-                    props->setStringValue("material/name", names[0].c_str());
-                else
-                    props->setStringValue("material/name", "");
-
-                //cout << "material " << names[0].c_str()
-                //    << " _elevation_m " << _elevation_m
-                //    << " solid " << _solid
-                //    << " load " << _load_resistance
-                //    << " frictionFactor " << _frictionFactor
-                //    << endl;
-
-            }
-
-            return true;
-    } else {
-        return false;
-    }
-
+    ta *= _tow_angle_gain;
+    double factor = -0.0045 * speed + 1;
+    double limit = _tow_angle_limit * factor;
+//     cout << "speed "<< speed << " _factor " << _factor<<" " <<_tow_angle_limit<< endl; 
+     _tow_angle = pow(ta,2) * sign(ta) * factor;
+    SG_CLAMP_RANGE(_tow_angle, -limit, limit);
 }
 
 bool FGAIGroundVehicle::getPitch() {
 
     if (!_tunnel){
-
         double vel = props->getDoubleValue("velocities/true-airspeed-kt", 0);
         double contact_offset_x1_m = _contact_x1_offset * SG_FEET_TO_METER;
         double contact_offset_x2_m = _contact_x2_offset * SG_FEET_TO_METER;
+        double _z_offset_m = _parent_z_offset * SG_FEET_TO_METER;
 
         SGVec3d front(-contact_offset_x1_m, 0, 0);
         SGVec3d rear(-contact_offset_x2_m, 0, 0);
@@ -259,11 +252,11 @@ bool FGAIGroundVehicle::getPitch() {
         double rear_elev_m = 0;
         double elev_front = 0;
         double elev_rear = 0;
-        double max_alt = 10000;
+        //double max_alt = 10000;
 
-        if (globals->get_scenery()->get_elevation_m(SGGeod::fromGeodM(geodFront, 3000), elev_front,
-             &_material, 0)){
-                front_elev_m = elev_front;
+        if (globals->get_scenery()->get_elevation_m(SGGeod::fromGeodM(geodFront, 3000),
+            elev_front, &_material, 0)){
+                front_elev_m = elev_front + _z_offset_m;
         } else
             return false;
 
@@ -296,27 +289,27 @@ bool FGAIGroundVehicle::getPitch() {
         static double prev_alt;
 
         if (_new_waypoint){
-            cout << "new waypoint, calculating pitch " << endl;
-            curr_alt = curr->altitude * SG_METER_TO_FEET;
-            prev_alt = prev->altitude * SG_METER_TO_FEET;
-            d_alt = curr_alt - prev_alt;
-
+            //cout << "new waypoint, calculating pitch " << endl;
+            curr_alt = curr->altitude;
+            prev_alt = prev->altitude;
+            //cout << "prev_alt" <<prev_alt << endl;
+            d_alt = (curr_alt - prev_alt) * SG_METER_TO_FEET;
+            //_elevation = prev->altitude;
             distance = SGGeodesy::distanceM(SGGeod::fromDeg(prev->longitude, prev->latitude),
             SGGeod::fromDeg(curr->longitude, curr->latitude));
-
             _pitch = atan2(d_alt, distance * SG_METER_TO_FEET) * SG_RADIANS_TO_DEGREES;
-//            cout << "new waypoint, calculating pitch " <<  _pitch << endl;
+            //cout << "new waypoint, calculating pitch " <<  _pitch << 
+            //    " " << _pitch_offset << " " << _elevation <<endl;
         }
 
-
         double distance_to_go = SGGeodesy::distanceM(SGGeod::fromDeg(pos.getLongitudeDeg(), pos.getLatitudeDeg()),
             SGGeod::fromDeg(curr->longitude, curr->latitude));
 
-        //cout << "tunnel " << _tunnel
-        //     << " distance curr & prev " << prev->name << " " << curr->name << " " << distance * SG_METER_TO_FEET
-        //     << " distance to go " << distance_to_go * SG_METER_TO_FEET
-        //     << " d_alt ft " << d_alt
-        //     << endl;
+        /*cout << "tunnel " << _tunnel
+             << " distance prev & curr " << prev->name << " " << curr->name << " " << distance * SG_METER_TO_FEET
+             << " distance to go " << distance_to_go * SG_METER_TO_FEET
+             << " d_alt ft " << d_alt
+             << endl;*/
 
         if (distance_to_go > distance)
             _elevation = prev_alt;
@@ -325,77 +318,35 @@ bool FGAIGroundVehicle::getPitch() {
 
     }
 
-    getGroundElev(pos);
-
     return true;
 }
 
-void FGAIGroundVehicle::setParent() {
-
-    const SGPropertyNode *ai = fgGetNode("/ai/models", true);
-
-    for (int i = ai->nChildren() - 1; i >= -1; i--) {
-        const SGPropertyNode *model;
-
-        if (i < 0) { // last iteration: selected model
-            model = _selected_ac;
-        } else {
-            model = ai->getChild(i);
-            string path = ai->getPath();
-            const string name = model->getStringValue("name");
-
-            if (!model->nChildren()){
-                continue;
-            }
-            if (name == _parent) {
-                _selected_ac = model;  // save selected model for last iteration
-                break;
-            }
-
-        }
-        if (!model)
-            continue;
-
-    }// end for loop
+void FGAIGroundVehicle::setParent(){
 
-    if (_selected_ac != 0){
-        const string name = _selected_ac->getStringValue("name");
-        double lat = _selected_ac->getDoubleValue("position/latitude-deg");
-        double lon = _selected_ac->getDoubleValue("position/longitude-deg");
-        double elevation = _selected_ac->getDoubleValue("position/altitude-ft");
-        double hitch_x_offset_m = _selected_ac->getDoubleValue("hitch/x-offset-ft")
-            * SG_FEET_TO_METER;
-        double hitch_y_offset_m = _selected_ac->getDoubleValue("hitch/y-offset-ft")
-            * SG_FEET_TO_METER;
+    double lat = _selected_ac->getDoubleValue("position/latitude-deg");
+    double lon = _selected_ac->getDoubleValue("position/longitude-deg");
+    double elevation = _selected_ac->getDoubleValue("position/altitude-ft");
 
-        _selectedpos.setLatitudeDeg(lat);
-        _selectedpos.setLongitudeDeg(lon);
-        _selectedpos.setElevationFt(elevation);
+    _selectedpos.setLatitudeDeg(lat);
+    _selectedpos.setLongitudeDeg(lon);
+    _selectedpos.setElevationFt(elevation);
 
-        _parent_x_offset = _selected_ac->getDoubleValue("hitch/x-offset-ft");
-        _parent_y_offset = _selected_ac->getDoubleValue("hitch/y-offset-ft");
-        _parent_speed    = _selected_ac->getDoubleValue("velocities/true-airspeed-kt");
+    _parent_speed = _selected_ac->getDoubleValue("velocities/true-airspeed-kt");
 
-        SGVec3d rear_hitch(-hitch_x_offset_m, hitch_y_offset_m, 0);
-        SGVec3d RearHitch = getCartHitchPosAt(rear_hitch);
+    SGVec3d rear_hitch(-_hitch_x_offset_m, _hitch_y_offset_m, 0);
+    SGVec3d RearHitch = getCartHitchPosAt(rear_hitch);
 
-        SGGeod rearpos = SGGeod::fromCart(RearHitch);
+    SGGeod rearpos = SGGeod::fromCart(RearHitch);
 
-        double user_lat = rearpos.getLatitudeDeg();
-        double user_lon = rearpos.getLongitudeDeg();
+    double user_lat = rearpos.getLatitudeDeg();
+    double user_lon = rearpos.getLongitudeDeg();
 
-        double range, bearing;
-
-        calcRangeBearing(pos.getLatitudeDeg(), pos.getLongitudeDeg(),
-            user_lat, user_lon, range, bearing);
-        _range_ft = range * 6076.11549;
-        _relbrg = calcRelBearingDeg(bearing, hdg);
-    } else {
-        SG_LOG(SG_GENERAL, SG_ALERT, "AIGroundVeh1cle: " << _name
-                << " parent not found: dying ");
-        setDie(true);
-    }
+    double range, bearing;
 
+    calcRangeBearing(pos.getLatitudeDeg(), pos.getLongitudeDeg(),
+        user_lat, user_lon, range, bearing);
+    _range_ft = range * 6076.11549;
+    _relbrg = calcRelBearingDeg(bearing, hdg);
 }
 
 void FGAIGroundVehicle::calcRangeBearing(double lat, double lon, double lat2, double lon2,
@@ -407,12 +358,6 @@ void FGAIGroundVehicle::calcRangeBearing(double lat, double lon, double lat2, do
     range = distance * SG_METER_TO_NM;
 }
 
-double FGAIGroundVehicle::calcRelBearingDeg(double bearing, double heading)
-{
-    double angle = bearing - heading;
-    SG_NORMALIZE_RANGE(angle, -180.0, 180.0);
-    return angle;
-}
 
 SGVec3d FGAIGroundVehicle::getCartHitchPosAt(const SGVec3d& _off) const {
     double hdg = _selected_ac->getDoubleValue("orientation/true-heading-deg");
@@ -496,7 +441,7 @@ void FGAIGroundVehicle::AdvanceFP(){
 
 void FGAIGroundVehicle::setTowSpeed(){
 
-    double diff = _range_ft - _x_offset;
+    //double diff = _range_ft - _x_offset;
     double  x = 0;
 
     if (_range_ft > _x_offset * 3) x = 50;
@@ -534,7 +479,7 @@ void FGAIGroundVehicle::RunGroundVehicle(double dt){
     if (_dt_count < _next_run)
         return;
 
-    _next_run = 0.055 /*+ (0.015 * sg_random())*/;
+    _next_run = 0.05 /*+ (0.015 * sg_random())*/;
 
     if (getPitch()){
         setElevation(_elevation, _dt_count, _elevation_coeff);
@@ -545,7 +490,6 @@ void FGAIGroundVehicle::RunGroundVehicle(double dt){
 
     if(_parent == ""){
         AccelTo(prev->speed);
-        FGAIShip::update(_dt_count);
         _dt_count = 0;
         return;
     }
@@ -554,12 +498,15 @@ void FGAIGroundVehicle::RunGroundVehicle(double dt){
 
     string parent_next_name = _selected_ac->getStringValue("waypoint/name-next");
     bool parent_waiting = _selected_ac->getBoolValue("waypoint/waiting");
+    //bool parent_restart = _selected_ac->getBoolValue("controls/restart"); 
 
     if (parent_next_name == "END" && fp->getNextWaypoint()->name != "END" ){
         SG_LOG(SG_GENERAL, SG_DEBUG, "AIGroundVeh1cle: " << _name
             << " setting END: getting new waypoints ");
         AdvanceFP();
         setWPNames();
+        setTunnel(_initial_tunnel);
+        if(_restart) _missed_count = 200;
         /*} else if (parent_next_name == "WAIT" && fp->getNextWaypoint()->name != "WAIT" ){*/
     } else if (parent_waiting && !_waiting){
         SG_LOG(SG_GENERAL, SG_DEBUG, "AIGroundVeh1cle: " << _name
@@ -585,12 +532,14 @@ void FGAIGroundVehicle::RunGroundVehicle(double dt){
         }
 
         setWPNames();
-    } else if (_range_ft > _parent_x_offset * 4){
-        SG_LOG(SG_GENERAL, SG_INFO, "AIGroundVeh1cle: " << _name
-            << " rescue: reforming train " << _range_ft << " " << _x_offset * 15);
+    } else if (_range_ft > (_x_offset +_parent_x_offset)* 4
+        ){
+        SG_LOG(SG_GENERAL, SG_ALERT, "AIGroundVeh1cle: " << _name
+            << " rescue: reforming train " << _range_ft 
+            );
 
         setTowAngle(0, dt, 1);
-        setSpeed(_parent_speed * 2);
+        setSpeed(_parent_speed + (10 * sign(_parent_speed)));
 
     } else if (_parent_speed > 1){
 
@@ -609,7 +558,7 @@ void FGAIGroundVehicle::RunGroundVehicle(double dt){
     } else
         setSpeed(_parent_speed);
 
-    FGAIShip::update(_dt_count);
+//    FGAIShip::update(_dt_count);
     _dt_count = 0;
 
 }