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flightgear/src/AIModel/submodel.cxx

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//// submodel.cxx - models a releasable submodel.
// Written by Dave Culp, started Aug 2004
// With major additions by Vivian Meaaza 2004 - 2007
//
// This file is in the Public Domain and comes with no warranty.
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "submodel.hxx"
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#include <simgear/structure/exception.hxx>
#include <simgear/misc/sg_path.hxx>
#include <simgear/math/sg_geodesy.hxx>
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#include <simgear/props/props_io.hxx>
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#include <Main/fg_props.hxx>
#include <Main/util.hxx>
#include "AIBase.hxx"
#include "AIManager.hxx"
#include "AIBallistic.hxx"
const double FGSubmodelMgr::lbs_to_slugs = 0.031080950172;
FGSubmodelMgr::FGSubmodelMgr()
{
x_offset = y_offset = z_offset = 0.0;
pitch_offset = 0.0;
yaw_offset = 0.0;
//out[0] = out[1] = out[2] = 0;
string contents_node;
contrail_altitude = 30000;
_count = 0;
_found_sub = true;
}
FGSubmodelMgr::~FGSubmodelMgr()
{
}
void FGSubmodelMgr::init()
{
index = 0;
_serviceable_node = fgGetNode("/sim/submodels/serviceable", true);
_serviceable_node->setBoolValue(true);
_user_lat_node = fgGetNode("/position/latitude-deg", true);
_user_lon_node = fgGetNode("/position/longitude-deg", true);
_user_alt_node = fgGetNode("/position/altitude-ft", true);
_user_heading_node = fgGetNode("/orientation/heading-deg", true);
_user_pitch_node = fgGetNode("/orientation/pitch-deg", true);
_user_roll_node = fgGetNode("/orientation/roll-deg", true);
_user_yaw_node = fgGetNode("/orientation/yaw-deg", true);
_user_alpha_node = fgGetNode("/orientation/alpha-deg", true);
_user_speed_node = fgGetNode("/velocities/uBody-fps", true);
_user_wind_from_east_node = fgGetNode("/environment/wind-from-east-fps", true);
_user_wind_from_north_node = fgGetNode("/environment/wind-from-north-fps", true);
_user_speed_down_fps_node = fgGetNode("/velocities/speed-down-fps", true);
_user_speed_east_fps_node = fgGetNode("/velocities/speed-east-fps", true);
_user_speed_north_fps_node = fgGetNode("/velocities/speed-north-fps", true);
_contrail_altitude_node = fgGetNode("/environment/params/contrail-altitude", true);
contrail_altitude = _contrail_altitude_node->getDoubleValue();
_contrail_trigger = fgGetNode("ai/submodels/contrails", true);
_contrail_trigger->setBoolValue(false);
ai = (FGAIManager*)globals->get_subsystem("ai_model");
load();
}
void FGSubmodelMgr::postinit() {
// postinit, so that the AI list is populated
loadAI();
while (_found_sub)
loadSubmodels();
//TODO reload submodels if an MP ac joins
//_model_added_node = fgGetNode("ai/models/model-added", true);
//_model_added_node->addChangeListener(this, false);
}
void FGSubmodelMgr::bind()
{}
void FGSubmodelMgr::unbind()
{
submodel_iterator = submodels.begin();
while (submodel_iterator != submodels.end()) {
(*submodel_iterator)->prop->untie("count");
++submodel_iterator;
}
}
void FGSubmodelMgr::update(double dt)
{
if (!_serviceable_node->getBoolValue())
return;
_impact = false;
_hit = false;
_expiry = false;
// check if the submodel hit an object or terrain
sm_list = ai->get_ai_list();
sm_list_iterator sm_list_itr = sm_list.begin();
sm_list_iterator end = sm_list.end();
for (; sm_list_itr != end; ++sm_list_itr) {
FGAIBase::object_type object_type =(*sm_list_itr)->getType();
if (object_type != FGAIBase::otBallistic){// only work on ballistic objects
continue; // so continue
}
int parent_subID = (*sm_list_itr)->_getSubID();
int id = (*sm_list_itr)->getID();
if ( parent_subID == 0 || id == -1) // this entry in the list has no associated submodel
continue; // or is invalid so we can continue
//SG_LOG(SG_GENERAL, SG_DEBUG, "Submodel: Impact " << _impact << " hit! "
// << _hit <<" parent_subID " << parent_subID);
_hit = (*sm_list_itr)->_getCollisionData();
_impact = (*sm_list_itr)->_getImpactData();
_expiry = (*sm_list_itr)->_getExpiryData();
//SG_LOG(SG_GENERAL, SG_ALERT, "Submodel: " << (*sm_list_itr)->_getName()
// << " Impact " << _impact << " hit! " << _hit
// << " exipiry :-( " << _expiry );
if (_impact || _hit || _expiry) {
// SG_LOG(SG_GENERAL, SG_ALERT, "Submodel: Impact " << _impact << " hit! " << _hit
//<< " exipiry :-( " << _expiry );
submodel_iterator = submodels.begin();
while (submodel_iterator != submodels.end()) {
int child_ID = (*submodel_iterator)->id;
//cout << "Impact: parent SubID " << parent_subID << " child_ID " << child_ID << endl;
if ( parent_subID == child_ID ) {
_parent_lat = (*sm_list_itr)->_getImpactLat();
_parent_lon = (*sm_list_itr)->_getImpactLon();
_parent_elev = (*sm_list_itr)->_getImpactElevFt();
_parent_hdg = (*sm_list_itr)->_getImpactHdg();
_parent_pitch = (*sm_list_itr)->_getImpactPitch();
_parent_roll = (*sm_list_itr)->_getImpactRoll();
_parent_speed = (*sm_list_itr)->_getImpactSpeed();
(*submodel_iterator)->first_time = true;
//cout << "Impact: parent SubID = child_ID elev " << _parent_elev << endl;
if (release(*submodel_iterator, dt)){
(*sm_list_itr)->setDie(true);
//cout << "Impact: set die" << (*sm_list_itr)->_getName() << endl;
}
}
++submodel_iterator;
}
}
}
_contrail_trigger->setBoolValue(_user_alt_node->getDoubleValue() > contrail_altitude);
// bool in_range = true;
bool trigger = false;
int i = -1;
submodel_iterator = submodels.begin();
while (submodel_iterator != submodels.end()) {
i++;
/*SG_LOG(SG_GENERAL, SG_DEBUG,
"Submodels: " << (*submodel_iterator)->id
<< " name " << (*submodel_iterator)->name
);*/
if ((*submodel_iterator)->trigger_node != 0) {
_trigger_node = (*submodel_iterator)->trigger_node;
trigger = _trigger_node->getBoolValue();
//cout << (*submodel_iterator)->name << "trigger node found " << trigger << endl;
} else {
trigger = false;
//cout << (*submodel_iterator)->name << " trigger node not found " << trigger << endl;
}
if (trigger && (*submodel_iterator)->count != 0) {
int id = (*submodel_iterator)->id;
string name = (*submodel_iterator)->name;
SG_LOG(SG_GENERAL, SG_DEBUG,
"Submodels release: " << (*submodel_iterator)->id
<< " name " << (*submodel_iterator)->name
<< " count " << (*submodel_iterator)->count
<< " slaved " << (*submodel_iterator)->slaved
);
release(*submodel_iterator, dt);
} else
(*submodel_iterator)->first_time = true;
++submodel_iterator;
} // end while
}
bool FGSubmodelMgr::release(submodel *sm, double dt)
{
//cout << "release id " << sm->id
// << " name " << sm->name
// << " first time " << sm->first_time
// << " repeat " << sm->repeat
// << " slaved " << sm->slaved
// << endl;
// only run if first time or repeat is set to true
if (!sm->first_time && !sm->repeat) {
//cout<< "returning: "<< sm->name
// << " not first time " << sm->first_time
// << " repeat " << sm->repeat
// << " slaved " << sm->slaved
// << endl;
return false;
}
sm->timer += dt;
if (sm->timer < sm->delay) {
//cout << "not yet: timer " << sm->timer << " delay " << sm->delay << endl;
return false;
}
//cout << "released timer: " << sm->timer << " delay " << sm->delay << endl;
sm->timer = 0.0;
if (sm->first_time) {
dt = 0.0;
sm->first_time = false;
}
transform(sm); // calculate submodel's initial conditions in world-coordinates
FGAIBallistic* ballist = new FGAIBallistic;
ballist->setPath(sm->model.c_str());
ballist->setName(sm->name);
ballist->setSlaved(sm->slaved);
ballist->setRandom(sm->random);
ballist->setRandomness(sm->randomness);
ballist->setLatitude(offsetpos.getLatitudeDeg());
ballist->setLongitude(offsetpos.getLongitudeDeg());
ballist->setAltitude(offsetpos.getElevationFt());
ballist->setAzimuth(IC.azimuth);
ballist->setElevation(IC.elevation);
ballist->setRoll(IC.roll);
ballist->setSpeed(IC.speed / SG_KT_TO_FPS);
ballist->setWind_from_east(IC.wind_from_east);
ballist->setWind_from_north(IC.wind_from_north);
ballist->setMass(IC.mass);
ballist->setDragArea(sm->drag_area);
ballist->setLife(sm->life);
ballist->setBuoyancy(sm->buoyancy);
ballist->setWind(sm->wind);
ballist->setCd(sm->cd);
ballist->setStabilisation(sm->aero_stabilised);
ballist->setNoRoll(sm->no_roll);
ballist->setCollision(sm->collision);
ballist->setExpiry(sm->expiry);
ballist->setImpact(sm->impact);
ballist->setImpactReportNode(sm->impact_report);
ballist->setFuseRange(sm->fuse_range);
ballist->setSubmodel(sm->submodel.c_str());
ballist->setSubID(sm->sub_id);
ballist->setForceStabilisation(sm->force_stabilised);
ballist->setExternalForce(sm->ext_force);
ballist->setForcePath(sm->force_path.c_str());
ballist->setXoffset(sm->x_offset);
ballist->setYoffset(sm->y_offset);
ballist->setZoffset(sm->z_offset);
ballist->setPitchoffset(sm->pitch_offset);
ballist->setYawoffset(sm->yaw_offset);
ballist->setParentNodes(_selected_ac);
ballist->setContentsNode(sm->contents_node);
ballist->setWeight(sm->weight);
ai->attach(ballist);
if (sm->count > 0)
sm->count--;
return true;
}
void FGSubmodelMgr::load()
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{
SGPropertyNode *path = fgGetNode("/sim/submodels/path");
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if (path) {
const int id = 0;
string Path = path->getStringValue();
bool Seviceable =_serviceable_node->getBoolValue();
setData(id, Path, Seviceable);
}
}
void FGSubmodelMgr::transform(submodel *sm)
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{
// set initial conditions
if (sm->contents_node != 0 && !sm->slaved) {
// get the weight of the contents (lbs) and convert to mass (slugs)
sm->contents = sm->contents_node->getChild("level-lbs",0,1)->getDoubleValue();
//cout << "transform: contents " << sm->contents << endl;
IC.mass = (sm->weight + sm->contents) * lbs_to_slugs;
//cout << "mass inc contents" << IC.mass << endl;
// set contents to 0 in the parent
sm->contents_node->getChild("level-gal_us",0,1)->setDoubleValue(0);
/*cout << "contents " << sm->contents_node->getChild("level-gal_us")->getDoubleValue()
<< " " << sm->contents_node->getChild("level-lbs",0,1)->getDoubleValue()
<< endl;*/
} else
IC.mass = sm->weight * lbs_to_slugs;
int id = sm->id;
int sub_id = sm->sub_id;
string name = sm->name;
if (sm->speed_node != 0)
sm->speed = sm->speed_node->getDoubleValue();
//cout << " name " << name << " id " << id << " sub id" << sub_id << endl;
// set the Initial Conditions for the types of submodel parent
if (_impact || _hit || _expiry) {
// set the data for a submodel tied to a submodel
_count++;
IC.lat = _parent_lat;
IC.lon = _parent_lon;
IC.alt = _parent_elev;
IC.roll = _parent_roll; // rotation about x axis
IC.elevation = _parent_pitch; // rotation about y axis
IC.azimuth = _parent_hdg; // rotation about z axis
IC.speed = _parent_speed;
IC.speed_down_fps = 0;
IC.speed_east_fps = 0;
IC.speed_north_fps = 0;
} else if (id == 0) {
//set the data for a submodel tied to the main model
IC.lat = _user_lat_node->getDoubleValue();
IC.lon = _user_lon_node->getDoubleValue();
IC.alt = _user_alt_node->getDoubleValue();
IC.roll = _user_roll_node->getDoubleValue(); // rotation about x axis
IC.elevation = _user_pitch_node->getDoubleValue(); // rotation about y axis
IC.azimuth = _user_heading_node->getDoubleValue(); // rotation about z axis
IC.speed = _user_speed_node->getDoubleValue();
IC.speed_down_fps = _user_speed_down_fps_node->getDoubleValue();
IC.speed_east_fps = _user_speed_east_fps_node->getDoubleValue();
IC.speed_north_fps = _user_speed_north_fps_node->getDoubleValue();
} else {
// set the data for a submodel tied to an AI Object
//cout << " set the data for a submodel tied to an AI Object " << id << endl;
sm_list_iterator sm_list_itr = sm_list.begin();
sm_list_iterator end = sm_list.end();
setParentNode(id);
}
//cout << "Submodel: setting IC "<< name << endl;
//cout << "heading " << IC.azimuth << endl ;
//cout << "speed down " << IC.speed_down_fps << endl ;
//cout << "speed east " << IC.speed_east_fps << endl ;
//cout << "speed north " << IC.speed_north_fps << endl ;
//cout << "parent speed fps in " << IC.speed << "sm speed in " << sm->speed << endl ;
//cout << "lat " << IC.lat;
//cout << "alt " << IC.alt << endl ;
// Set the Initial Conditions that are common to all types of parent
IC.wind_from_east = _user_wind_from_east_node->getDoubleValue();
IC.wind_from_north = _user_wind_from_north_node->getDoubleValue();
//cout << "wind e " << IC.wind_from_east << " n " << IC.wind_from_north << endl;
userpos.setLatitudeDeg(IC.lat);
userpos.setLongitudeDeg(IC.lon);
userpos.setElevationFt(IC.alt);
_x_offset = sm->x_offset;
_y_offset = sm->y_offset;
_z_offset = sm->z_offset;
setOffsetPos();
//IC.elevation += sm->pitch_offset;
//IC.azimuth += sm->yaw_offset ;
// pre-process the trig functions
cosRx = cos(-IC.roll * SG_DEGREES_TO_RADIANS);
sinRx = sin(-IC.roll * SG_DEGREES_TO_RADIANS);
cosRy = cos(-IC.elevation * SG_DEGREES_TO_RADIANS);
sinRy = sin(-IC.elevation * SG_DEGREES_TO_RADIANS);
cosRz = cos(IC.azimuth * SG_DEGREES_TO_RADIANS);
sinRz = sin(IC.azimuth * SG_DEGREES_TO_RADIANS);
// Get submodel initial velocity vector angles in XZ and XY planes.
// This vector should be added to aircraft's vector.
IC.elevation += (sm->yaw_offset * sinRx) + (sm->pitch_offset * cosRx);
IC.azimuth += (sm->yaw_offset * cosRx) - (sm->pitch_offset * sinRx);
// calculate the total speed north
IC.total_speed_north = sm->speed * cos(IC.elevation * SG_DEGREES_TO_RADIANS)
* cos(IC.azimuth * SG_DEGREES_TO_RADIANS) + IC.speed_north_fps;
// calculate the total speed east
IC.total_speed_east = sm->speed * cos(IC.elevation * SG_DEGREES_TO_RADIANS)
* sin(IC.azimuth * SG_DEGREES_TO_RADIANS) + IC.speed_east_fps;
// calculate the total speed down
IC.total_speed_down = sm->speed * -sin(IC.elevation * SG_DEGREES_TO_RADIANS)
+ IC.speed_down_fps;
// re-calculate speed, elevation and azimuth
IC.speed = sqrt(IC.total_speed_north * IC.total_speed_north
+ IC.total_speed_east * IC.total_speed_east
+ IC.total_speed_down * IC.total_speed_down);
// if speeds are low this calculation can become unreliable
if (IC.speed > 1) {
IC.azimuth = atan2(IC.total_speed_east, IC.total_speed_north) * SG_RADIANS_TO_DEGREES;
// cout << "azimuth1 " << IC.azimuth<<endl;
// rationalise the output
if (IC.azimuth < 0)
IC.azimuth += 360;
else if (IC.azimuth >= 360)
IC.azimuth -= 360;
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// cout << "azimuth2 " << IC.azimuth<<endl;
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IC.elevation = -atan(IC.total_speed_down / sqrt(IC.total_speed_north
* IC.total_speed_north + IC.total_speed_east * IC.total_speed_east))
* SG_RADIANS_TO_DEGREES;
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}
//cout << "IC.speed " << IC.speed / SG_KT_TO_FPS << endl;
}
void FGSubmodelMgr::updatelat(double lat)
{
ft_per_deg_latitude = 366468.96 - 3717.12 * cos(lat / SG_RADIANS_TO_DEGREES);
ft_per_deg_longitude = 365228.16 * cos(lat / SG_RADIANS_TO_DEGREES);
}
void FGSubmodelMgr::loadAI()
{
SG_LOG(SG_GENERAL, SG_DEBUG, "Submodels: Loading AI submodels ");
sm_list = ai->get_ai_list();
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if (sm_list.empty()) {
SG_LOG(SG_GENERAL, SG_ALERT, "Submodels: Unable to read AI submodel list");
return;
}
sm_list_iterator sm_list_itr = sm_list.begin();
sm_list_iterator end = sm_list.end();
while (sm_list_itr != end) {
string path = (*sm_list_itr)->_getSMPath();
if (path.empty()) {
++sm_list_itr;
continue;
}
int id = (*sm_list_itr)->getID();
string type = (*sm_list_itr)->getTypeString();
bool serviceable = (*sm_list_itr)->_getServiceable();
//cout << "loadAI: type " << type << " path "<< path << " serviceable " << serviceable << endl;
setData(id, path, serviceable);
++sm_list_itr;
}
}
void FGSubmodelMgr::setData(int id, string& path, bool serviceable)
{
SGPropertyNode root;
SGPath config = globals->resolve_aircraft_path(path);
try {
SG_LOG(SG_GENERAL, SG_DEBUG,
"Submodels: Trying to read AI submodels file: " << config.str());
readProperties(config.str(), &root);
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} catch (const sg_exception &) {
SG_LOG(SG_GENERAL, SG_ALERT,
"Submodels: Unable to read AI submodels file: " << config.str());
return;
}
vector<SGPropertyNode_ptr> children = root.getChildren("submodel");
vector<SGPropertyNode_ptr>::iterator it = children.begin();
vector<SGPropertyNode_ptr>::iterator end = children.end();
for (int i = 0; it != end; ++it, i++) {
//cout << "Reading AI submodel " << (*it)->getPath() << endl;
submodel* sm = new submodel;
SGPropertyNode * entry_node = *it;
sm->name = entry_node->getStringValue("name", "none_defined");
sm->model = entry_node->getStringValue("model", "Models/Geometry/rocket.ac");
sm->speed = entry_node->getDoubleValue("speed", 2329.4);
sm->repeat = entry_node->getBoolValue("repeat", false);
sm->delay = entry_node->getDoubleValue("delay", 0.25);
sm->count = entry_node->getIntValue("count", 1);
sm->slaved = entry_node->getBoolValue("slaved", false);
sm->x_offset = entry_node->getDoubleValue("x-offset", 0.0);
sm->y_offset = entry_node->getDoubleValue("y-offset", 0.0);
sm->z_offset = entry_node->getDoubleValue("z-offset", 0.0);
sm->yaw_offset = entry_node->getDoubleValue("yaw-offset", 0.0);
sm->pitch_offset = entry_node->getDoubleValue("pitch-offset", 0.0);
sm->drag_area = entry_node->getDoubleValue("eda", 0.034);
sm->life = entry_node->getDoubleValue("life", 900.0);
sm->buoyancy = entry_node->getDoubleValue("buoyancy", 0);
sm->wind = entry_node->getBoolValue("wind", false);
sm->cd = entry_node->getDoubleValue("cd", 0.193);
sm->weight = entry_node->getDoubleValue("weight", 0.25);
sm->aero_stabilised = entry_node->getBoolValue("aero-stabilised", true);
sm->no_roll = entry_node->getBoolValue("no-roll", false);
sm->collision = entry_node->getBoolValue("collision", false);
sm->expiry = entry_node->getBoolValue("expiry", false);
sm->impact = entry_node->getBoolValue("impact", false);
sm->impact_report = entry_node->getStringValue("impact-reports");
sm->fuse_range = entry_node->getDoubleValue("fuse-range", 0.0);
sm->contents_node = fgGetNode(entry_node->getStringValue("contents", "none"), false);
sm->speed_node = fgGetNode(entry_node->getStringValue("speed-prop", "none"), false);
sm->submodel = entry_node->getStringValue("submodel-path", "");
sm->force_stabilised= entry_node->getBoolValue("force-stabilised", false);
sm->ext_force = entry_node->getBoolValue("external-force", false);
sm->force_path = entry_node->getStringValue("force-path", "");
sm->random = entry_node->getBoolValue("random", false);
sm->randomness = entry_node->getDoubleValue("randomness", 0.5);
if (sm->contents_node != 0)
sm->contents = sm->contents_node->getDoubleValue();
const char *trigger_path = entry_node->getStringValue("trigger", 0);
if (trigger_path) {
sm->trigger_node = fgGetNode(trigger_path, true);
sm->trigger_node->setBoolValue(sm->trigger_node->getBoolValue());
} else {
sm->trigger_node = 0;
}
if (sm->speed_node != 0)
sm->speed = sm->speed_node->getDoubleValue();
sm->timer = sm->delay;
sm->id = id;
sm->first_time = false;
sm->serviceable = serviceable;
sm->sub_id = 0;
sm->prop = fgGetNode("/ai/submodels/submodel", index, true);
sm->prop->tie("delay", SGRawValuePointer<double>(&(sm->delay)));
sm->prop->tie("count", SGRawValuePointer<int>(&(sm->count)));
sm->prop->tie("repeat", SGRawValuePointer<bool>(&(sm->repeat)));
sm->prop->tie("id", SGRawValuePointer<int>(&(sm->id)));
sm->prop->tie("sub-id", SGRawValuePointer<int>(&(sm->sub_id)));
sm->prop->tie("serviceable", SGRawValuePointer<bool>(&(sm->serviceable)));
sm->prop->tie("random", SGRawValuePointer<bool>(&(sm->random)));
sm->prop->tie("slaved", SGRawValuePointer<bool>(&(sm->slaved)));
string name = sm->name;
sm->prop->setStringValue("name", name.c_str());
string submodel = sm->submodel;
sm->prop->setStringValue("submodel", submodel.c_str());
string force_path = sm->force_path;
sm->prop->setStringValue("force_path", force_path.c_str());
//cout << "set force_path Sub " << force_path << endl;
if (sm->contents_node != 0)
sm->prop->tie("contents-lbs", SGRawValuePointer<double>(&(sm->contents)));
index++;
submodels.push_back(sm);
}
}
void FGSubmodelMgr::setSubData(int id, string& path, bool serviceable)
{
SGPropertyNode root;
SGPath config = globals->resolve_aircraft_path(path);
try {
SG_LOG(SG_GENERAL, SG_DEBUG,
"Submodels: Trying to read AI submodels file: " << config.str());
readProperties(config.str(), &root);
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} catch (const sg_exception &) {
SG_LOG(SG_GENERAL, SG_ALERT,
"Submodels: Unable to read AI submodels file: " << config.str());
return;
}
vector<SGPropertyNode_ptr> children = root.getChildren("submodel");
vector<SGPropertyNode_ptr>::iterator it = children.begin();
vector<SGPropertyNode_ptr>::iterator end = children.end();
for (int i = 0; it != end; ++it, i++) {
//cout << "Reading AI submodel " << (*it)->getPath() << endl;
submodel* sm = new submodel;
SGPropertyNode * entry_node = *it;
sm->name = entry_node->getStringValue("name", "none_defined");
sm->model = entry_node->getStringValue("model", "Models/Geometry/rocket.ac");
sm->speed = entry_node->getDoubleValue("speed", 2329.4);
sm->repeat = entry_node->getBoolValue("repeat", false);
sm->delay = entry_node->getDoubleValue("delay", 0.25);
sm->count = entry_node->getIntValue("count", 1);
sm->slaved = entry_node->getBoolValue("slaved", false);
sm->x_offset = entry_node->getDoubleValue("x-offset", 0.0);
sm->y_offset = entry_node->getDoubleValue("y-offset", 0.0);
sm->z_offset = entry_node->getDoubleValue("z-offset", 0.0);
sm->yaw_offset = entry_node->getDoubleValue("yaw-offset", 0.0);
sm->pitch_offset = entry_node->getDoubleValue("pitch-offset", 0.0);
sm->drag_area = entry_node->getDoubleValue("eda", 0.034);
sm->life = entry_node->getDoubleValue("life", 900.0);
sm->buoyancy = entry_node->getDoubleValue("buoyancy", 0);
sm->wind = entry_node->getBoolValue("wind", false);
sm->cd = entry_node->getDoubleValue("cd", 0.193);
sm->weight = entry_node->getDoubleValue("weight", 0.25);
sm->aero_stabilised = entry_node->getBoolValue("aero-stabilised", true);
sm->no_roll = entry_node->getBoolValue("no-roll", false);
sm->collision = entry_node->getBoolValue("collision", false);
sm->expiry = entry_node->getBoolValue("expiry", false);
sm->impact = entry_node->getBoolValue("impact", false);
sm->impact_report = entry_node->getStringValue("impact-reports");
sm->fuse_range = entry_node->getDoubleValue("fuse-range", 0.0);
sm->contents_node = fgGetNode(entry_node->getStringValue("contents", "none"), false);
sm->speed_node = fgGetNode(entry_node->getStringValue("speed-prop", "none"), false);
sm->submodel = entry_node->getStringValue("submodel-path", "");
sm->force_stabilised= entry_node->getBoolValue("force-stabilised", false);
sm->ext_force = entry_node->getBoolValue("external-force", false);
sm->force_path = entry_node->getStringValue("force-path", "");
sm->random = entry_node->getBoolValue("random", false);
sm->randomness = entry_node->getDoubleValue("randomness", 0.5);
if (sm->contents_node != 0)
sm->contents = sm->contents_node->getDoubleValue();
const char *trigger_path = entry_node->getStringValue("trigger", 0);
if (trigger_path) {
sm->trigger_node = fgGetNode(trigger_path, true);
sm->trigger_node->setBoolValue(sm->trigger_node->getBoolValue());
} else {
sm->trigger_node = 0;
}
if (sm->speed_node != 0)
sm->speed = sm->speed_node->getDoubleValue();
sm->timer = sm->delay;
sm->id = index;
sm->first_time = false;
sm->serviceable = serviceable;
sm->sub_id = 0;
sm->prop = fgGetNode("/ai/submodels/subsubmodel", index, true);
sm->prop->tie("count", SGRawValuePointer<int>(&(sm->count)));
sm->prop->tie("repeat", SGRawValuePointer<bool>(&(sm->repeat)));
sm->prop->tie("id", SGRawValuePointer<int>(&(sm->id)));
sm->prop->tie("sub-id", SGRawValuePointer<int>(&(sm->sub_id)));
sm->prop->tie("serviceable", SGRawValuePointer<bool>(&(sm->serviceable)));
sm->prop->tie("random", SGRawValuePointer<bool>(&(sm->random)));
sm->prop->tie("slaved", SGRawValuePointer<bool>(&(sm->slaved)));
string name = sm->name;
sm->prop->setStringValue("name", name.c_str());
string submodel = sm->submodel;
sm->prop->setStringValue("submodel-path", submodel.c_str());
// cout << " set submodel path AI" << submodel<< endl;
string force_path = sm->force_path;
sm->prop->setStringValue("force_path", force_path.c_str());
//cout << "set force_path AI" << force_path << endl;
if (sm->contents_node != 0)
sm->prop->tie("contents-lbs", SGRawValuePointer<double>(&(sm->contents)));
index++;
subsubmodels.push_back(sm);
}
}
void FGSubmodelMgr::loadSubmodels()
{
SG_LOG(SG_GENERAL, SG_DEBUG, "Submodels: Loading sub submodels");
_found_sub = false;
submodel_iterator = submodels.begin();
while (submodel_iterator != submodels.end()) {
string submodel = (*submodel_iterator)->submodel;
if (!submodel.empty()) {
//int id = (*submodel_iterator)->id;
bool serviceable = true;
SG_LOG(SG_GENERAL, SG_DEBUG, "found path sub sub "
<< submodel
<< " index " << index
<< " name " << (*submodel_iterator)->name);
if ((*submodel_iterator)->sub_id == 0){
(*submodel_iterator)->sub_id = index;
_found_sub = true;
setSubData(index, submodel, serviceable);
}
}
++submodel_iterator;
} // end while
subsubmodel_iterator = subsubmodels.begin();
while (subsubmodel_iterator != subsubmodels.end()) {
submodels.push_back(*subsubmodel_iterator);
++subsubmodel_iterator;
} // end while
subsubmodels.clear();
2009-08-21 14:29:11 +00:00
//submodel_iterator = submodels.begin();
//int subcount = 0;
2009-08-21 14:29:11 +00:00
//while (submodel_iterator != submodels.end()) {
// int id = (*submodel_iterator)->id;
// subcount++;
// SG_LOG(SG_GENERAL, SG_ALERT,"after pushback "
// << " parent id " << id
// << " name " << (*submodel_iterator)->name
// << " sub id " << (*submodel_iterator)->sub_id
// << " subcount "<< subcount);
// ++submodel_iterator;
2009-08-21 14:29:11 +00:00
//}
}
SGVec3d FGSubmodelMgr::getCartOffsetPos() const{
// convert geodetic positions to geocentered
SGVec3d cartuserPos = SGVec3d::fromGeod(userpos);
// Transform to the right coordinate frame, configuration is done in
// the x-forward, y-right, z-up coordinates (feet), computation
// in the simulation usual body x-forward, y-right, z-down coordinates
// (meters) )
SGVec3d _off(_x_offset * SG_FEET_TO_METER,
_y_offset * SG_FEET_TO_METER,
-_z_offset * SG_FEET_TO_METER);
// Transform the user position to the horizontal local coordinate system.
SGQuatd hlTrans = SGQuatd::fromLonLat(userpos);
// and postrotate the orientation of the user model wrt the horizontal
// local frame
hlTrans *= SGQuatd::fromYawPitchRollDeg(
IC.azimuth,
IC.elevation,
IC.roll);
// The offset converted to the usual body fixed coordinate system
// rotated to the earth-fixed coordinates axis
SGVec3d off = hlTrans.backTransform(_off);
// Add the position offset of the user model to get the geocentered position
SGVec3d offsetPos = cartuserPos + off;
return offsetPos;
}
void FGSubmodelMgr::setOffsetPos(){
// convert the offset geocentered position to geodetic
SGVec3d cartoffsetPos = getCartOffsetPos();
SGGeodesy::SGCartToGeod(cartoffsetPos, offsetpos);
//cout << "OFFSET POS" << offsetpos.getElevationFt();
}
void FGSubmodelMgr::valueChanged(SGPropertyNode *prop)
{
return; // this isn't working atm
const char* _model_added = _model_added_node->getStringValue();
basic_string <char>::size_type indexCh2b;
string str2 = _model_added;
const char *cstr2b = "multiplayer";
indexCh2b = str2.find( cstr2b, 0 );
if (indexCh2b != string::npos ){ // we will ignore Ballistic Objects - there are potentially too many
//cout << "Submodels: model added - " << str2 <<" read path "<< endl;
//return;
SGPropertyNode *a_node = fgGetNode(_model_added, true);
SGPropertyNode *sub_node = a_node->getChild("sim", 0, true);
SGPropertyNode_ptr path_node = sub_node->getChild("path", 0, true);
SGPropertyNode_ptr callsign_node = a_node->getChild("callsign", 0, true);
string callsign = callsign_node->getStringValue();
//cout << "Submodels: model added - " << callsign <<" read callsign "<< endl;
return;
} else {
cout << "model added - " << str2 <<" returning "<< endl;
return;
}
}
void FGSubmodelMgr::setParentNode(int id) {
const SGPropertyNode_ptr ai = fgGetNode("/ai/models", true);
for (int i = ai->nChildren() - 1; i >= -1; i--) {
SGPropertyNode_ptr 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");
int parent_id = model->getIntValue("id");
if (!model->nChildren()){
continue;
}
if (parent_id == id) {
_selected_ac = model; // save selected model for last iteration
break;
}
}
if (!model)
continue;
}// end for loop
if (_selected_ac != 0){
//cout << " parent node found"<< endl;
const string name = _selected_ac->getStringValue("name");
IC.lat = _selected_ac->getDoubleValue("position/latitude-deg");
IC.lon = _selected_ac->getDoubleValue("position/longitude-deg");
IC.alt = _selected_ac->getDoubleValue("position/altitude-ft");
IC.roll = _selected_ac->getDoubleValue("orientation/roll-deg");
IC.elevation = _selected_ac->getDoubleValue("orientation/pitch-deg");
IC.azimuth = _selected_ac->getDoubleValue("orientation/true-heading-deg");
IC.speed = _selected_ac->getDoubleValue("velocities/true-airspeed-kt") * SG_KT_TO_FPS;
IC.speed_down_fps = -_selected_ac->getDoubleValue("velocities/vertical-speed-fps");
IC.speed_east_fps = _selected_ac->getDoubleValue("velocities/speed-east-fps");
IC.speed_north_fps = _selected_ac->getDoubleValue("velocities/speed-north-fps");
//cout << name << " IC.speed " << IC.speed << endl;
} else {
SG_LOG(SG_GENERAL, SG_ALERT, "AISubmodel: parent node not found ");
}
}
// end of submodel.cxx