190 lines
6.8 KiB
C++
190 lines
6.8 KiB
C++
// FGAIScenario.cxx - class for loading an AI scenario
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// Written by David Culp, started May 2004
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// - davidculp2@comcast.net
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#include <cstdio>
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#include <simgear/misc/sg_path.hxx>
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#include <simgear/debug/logstream.hxx>
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#include <simgear/structure/exception.hxx>
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#include <simgear/constants.h>
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#ifdef __BORLANDC__
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# define exception c_exception
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#endif
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#include <simgear/props/props.hxx>
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#include <Main/globals.hxx>
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#include <Main/fg_props.hxx>
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#include "AIScenario.hxx"
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#include "AIFlightPlan.hxx"
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static list<string>
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getAllStringNodeVals(const char* name, SGPropertyNode * entry_node);
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static list<ParkPosition>
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getAllOffsetNodeVals(const char* name, SGPropertyNode * entry_node);
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FGAIScenario::FGAIScenario(const string &filename)
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{
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int i;
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SGPath path( globals->get_fg_root() );
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// cout << "/Data/AI/" << filename << endl;
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path.append( ("/Data/AI/" + filename + ".xml").c_str() );
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SGPropertyNode root;
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readProperties(path.str(), &root);
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// cout <<"path " << path.str() << endl;
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try {
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readProperties(path.str(), &root);
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} catch (const sg_exception &e) {
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SG_LOG(SG_GENERAL, SG_ALERT,
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"Incorrect path specified for AI scenario: ");
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cout << path.str() << endl;
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return;
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}
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entries.clear();
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SGPropertyNode * node = root.getNode("scenario");
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for (i = 0; i < node->nChildren(); i++) {
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// cout << "Reading entity data entry " << i << endl;
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SGPropertyNode * entry_node = node->getChild(i);
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FGAIModelEntity* en = new FGAIModelEntity;
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en->callsign = entry_node->getStringValue("callsign", "none");
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en->m_type = entry_node->getStringValue("type", "aircraft");
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en->m_class = entry_node->getStringValue("class", "jet_transport");
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en->path = entry_node->getStringValue("model", "Models/Geometry/glider.ac");
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en->flightplan = entry_node->getStringValue("flightplan", "");
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en->repeat = entry_node->getBoolValue("repeat", false);
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en->latitude = entry_node->getDoubleValue("latitude", 0.0);
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en->longitude = entry_node->getDoubleValue("longitude", 0.0);
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en->altitude = entry_node->getDoubleValue("altitude", 0.0);
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en->speed = entry_node->getDoubleValue("speed", 0.0);
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en->heading = entry_node->getDoubleValue("heading", 0.0);
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en->roll = entry_node->getDoubleValue("roll", 0.0);
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en->azimuth = entry_node->getDoubleValue("azimuth", 0.0);
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en->elevation = entry_node->getDoubleValue("elevation", 0.0);
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en->rudder = entry_node->getFloatValue("rudder", 0.0);
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en->strength = entry_node->getDoubleValue("strength-fps", 8.0);
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en->turb_strength = entry_node->getDoubleValue("strength-norm", 1.0);
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en->diameter = entry_node->getDoubleValue("diameter-ft", 0.0);
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en->height_msl = entry_node->getDoubleValue("height-msl", 5000.0);
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en->eda = entry_node->getDoubleValue("eda", 0.007);
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en->life = entry_node->getDoubleValue("life", 900.0);
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en->buoyancy = entry_node->getDoubleValue("buoyancy", 0);
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en->wind_from_east = entry_node->getDoubleValue("wind_from_east", 0);
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en->wind_from_north = entry_node->getDoubleValue("wind_from_north", 0);
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en->wind = entry_node->getBoolValue ("wind", false);
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en->cd = entry_node->getDoubleValue("cd", 0.029);
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en->mass = entry_node->getDoubleValue("mass", 0.007);
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en->radius = entry_node->getDoubleValue("turn-radius-ft", 2000);
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en->TACAN_channel_ID= entry_node->getStringValue("TACAN-channel-ID", "029Y");
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en->name = entry_node->getStringValue("name", "Nimitz");
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en->pennant_number = entry_node->getStringValue("pennant-number", "");
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en->wire_objects = getAllStringNodeVals("wire", entry_node);
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en->catapult_objects = getAllStringNodeVals("catapult", entry_node);
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en->solid_objects = getAllStringNodeVals("solid", entry_node);
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en->ppositions = getAllOffsetNodeVals("parking-pos", entry_node);
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en->max_lat = entry_node->getDoubleValue("max-lat", 0);
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en->min_lat = entry_node->getDoubleValue("min-lat",0);
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en->max_long = entry_node->getDoubleValue("max-long", 0);
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en->min_long = entry_node->getDoubleValue("min-long", 0);
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list<ParkPosition> flolspos = getAllOffsetNodeVals("flols-pos", entry_node);
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en->flols_offset = flolspos.front().offset;
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en->fp = NULL;
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if (en->flightplan != ""){
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en->fp = new FGAIFlightPlan( en->flightplan );
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}
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entries.push_back( en );
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}
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entry_iterator = entries.begin();
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//cout << entries.size() << " entries read." << endl;
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}
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FGAIScenario::~FGAIScenario()
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{
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entries.clear();
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}
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FGAIModelEntity* const
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FGAIScenario::getNextEntry( void )
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{
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if (entries.size() == 0) return 0;
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if (entry_iterator != entries.end()) {
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return *entry_iterator++;
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} else {
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return 0;
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}
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}
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int FGAIScenario::nEntries( void )
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{
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return entries.size();
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}
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static list<string>
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getAllStringNodeVals(const char* name, SGPropertyNode * entry_node)
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{
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list<string> retval;
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int i=0;
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do {
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char nodename[100];
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snprintf(nodename, sizeof(nodename), "%s[%d]", name, i);
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const char* objname = entry_node->getStringValue(nodename, 0);
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if (objname == 0)
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return retval;
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retval.push_back(string(objname));
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++i;
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} while (1);
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return retval;
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}
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static list<ParkPosition>
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getAllOffsetNodeVals(const char* name, SGPropertyNode * entry_node)
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{
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list<ParkPosition> retval;
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vector<SGPropertyNode_ptr>::const_iterator it;
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vector<SGPropertyNode_ptr> children = entry_node->getChildren(name);
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for (it = children.begin(); it != children.end(); ++it) {
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string name = (*it)->getStringValue("name", "unnamed");
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double offset_x = (*it)->getDoubleValue("x-offset-m", 0);
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double offset_y = (*it)->getDoubleValue("y-offset-m", 0);
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double offset_z = (*it)->getDoubleValue("z-offset-m", 0);
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double hd = (*it)->getDoubleValue("heading-offset-deg", 0);
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ParkPosition pp(name, Point3D(offset_x, offset_y, offset_z), hd);
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retval.push_back(pp);
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}
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return retval;
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}
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// end scenario.cxx
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