// AIManager.cxx Based on David Luff's AIMgr:
-// - a global management class for AI objects
+// - a global management type for AI objects
//
// Written by David Culp, started October 2003.
// - davidculp2@comcast.net
#include "AIAircraft.hxx"
#include "AIShip.hxx"
#include "AIBallistic.hxx"
+#include "AIStorm.hxx"
+#include "AIThermal.hxx"
SG_USING_STD(list);
FGAIManager::FGAIManager() {
initDone = false;
+ for (int i=0; i < FGAIBase::MAX_OBJECTS; i++)
+ numObjects[i] = 0;
+ _dt = 0.0;
+ dt_count = 9;
+ scenario_filename = "";
+ ai_list.clear();
}
FGAIManager::~FGAIManager() {
+ ai_list_itr = ai_list.begin();
+ while(ai_list_itr != ai_list.end()) {
+ delete (*ai_list_itr);
+ ++ai_list_itr;
+ }
ai_list.clear();
}
+
void FGAIManager::init() {
- SGPropertyNode * node = fgGetNode("sim/ai", true);
+ root = fgGetNode("sim/ai", true);
- for (int i = 0; i < node->nChildren(); i++) {
- const SGPropertyNode * entry = node->getChild(i);
+ enabled = root->getNode("enabled", true)->getBoolValue();
+ if (!enabled)
+ return;
- if (!strcmp(entry->getName(), "entry")) {
- if (!strcmp(entry->getStringValue("type", ""), "aircraft")) {
- FGAIAircraft* ai_plane = new FGAIAircraft;
- ai_list.push_back(ai_plane);
+ wind_from_down_node = fgGetNode("/environment/wind-from-down-fps", true);
+
+ scenario_filename = root->getNode("scenario", true)->getStringValue();
+ if (scenario_filename != "") processScenario( scenario_filename );
- string model_class = entry->getStringValue("class", "");
- if (model_class == "light") {
- ai_plane->SetPerformance(&FGAIAircraft::settings[FGAIAircraft::LIGHT]);
+ initDone = true;
+}
- } else if (model_class == "ww2_fighter") {
- ai_plane->SetPerformance(&FGAIAircraft::settings[FGAIAircraft::WW2_FIGHTER]);
- } else if (model_class == "jet_transport") {
- ai_plane->SetPerformance(&FGAIAircraft::settings[FGAIAircraft::JET_TRANSPORT]);
+void FGAIManager::bind() {
+ root = globals->get_props()->getNode("ai/models", true);
+ root->tie("count", SGRawValuePointer<int>(&numObjects[0]));
+}
+
+
+void FGAIManager::unbind() {
+ root->untie("count");
+}
+
+
+void FGAIManager::update(double dt) {
+
+ // initialize these for finding nearest thermals
+ range_nearest = 10000.0;
+ strength = 0.0;
- } else if (model_class == "jet_fighter") {
+ if (!enabled)
+ return;
+
+ _dt = dt;
+
+ ai_list_itr = ai_list.begin();
+ while(ai_list_itr != ai_list.end()) {
+ if ((*ai_list_itr)->getDie()) {
+ --numObjects[(*ai_list_itr)->getType()];
+ --numObjects[0];
+ delete (*ai_list_itr);
+ if ( ai_list_itr == ai_list.begin() ) {
+ ai_list.erase(ai_list_itr);
+ ai_list_itr = ai_list.begin();
+ continue;
+ } else {
+ ai_list.erase(ai_list_itr--);
+ }
+ } else {
+ fetchUserState();
+ if ((*ai_list_itr)->isa(FGAIBase::otThermal)) {
+ processThermal((FGAIThermal*)*ai_list_itr);
+ } else {
+ (*ai_list_itr)->update(_dt);
+ }
+ }
+ ++ai_list_itr;
+ }
+ wind_from_down_node->setDoubleValue( strength );
+
+}
+
+
+void*
+FGAIManager::createAircraft( FGAIModelEntity *entity ) {
+
+ FGAIAircraft* ai_plane = new FGAIAircraft(this);
+ ai_list.push_back(ai_plane);
+ ++numObjects[0];
+ ++numObjects[FGAIBase::otAircraft];
+ if (entity->m_class == "light") {
+ ai_plane->SetPerformance(&FGAIAircraft::settings[FGAIAircraft::LIGHT]);
+ } else if (entity->m_class == "ww2_fighter") {
+ ai_plane->SetPerformance(&FGAIAircraft::settings[FGAIAircraft::WW2_FIGHTER]);
+ } else if (entity->m_class == "jet_transport") {
+ ai_plane->SetPerformance(&FGAIAircraft::settings[FGAIAircraft::JET_TRANSPORT]);
+ } else if (entity->m_class == "jet_fighter") {
ai_plane->SetPerformance(&FGAIAircraft::settings[FGAIAircraft::JET_FIGHTER]);
+ } else if (entity->m_class == "tanker") {
+ ai_plane->SetPerformance(&FGAIAircraft::settings[FGAIAircraft::JET_TRANSPORT]);
+ ai_plane->SetTanker(true);
+ } else {
+ ai_plane->SetPerformance(&FGAIAircraft::settings[FGAIAircraft::JET_TRANSPORT]);
+ }
+ ai_plane->setHeading(entity->heading);
+ ai_plane->setSpeed(entity->speed);
+ ai_plane->setPath(entity->path);
+ ai_plane->setAltitude(entity->altitude);
+ ai_plane->setLongitude(entity->longitude);
+ ai_plane->setLatitude(entity->latitude);
+ ai_plane->setBank(entity->roll);
+
+ if ( entity->fp ) {
+ ai_plane->SetFlightPlan(entity->fp);
}
- ai_plane->setHeading(entry->getDoubleValue("heading"));
- ai_plane->setSpeed(entry->getDoubleValue("speed-KTAS"));
- ai_plane->setPath(entry->getStringValue("path"));
- ai_plane->setAltitude(entry->getDoubleValue("altitude-ft"));
- ai_plane->setLongitude(entry->getDoubleValue("longitude"));
- ai_plane->setLatitude(entry->getDoubleValue("latitude"));
ai_plane->init();
+ ai_plane->bind();
+ return ai_plane;
+}
+
+void*
+FGAIManager::createShip( FGAIModelEntity *entity ) {
- } else if (!strcmp(entry->getStringValue("type", ""), "ship")) {
- FGAIShip* ai_ship = new FGAIShip;
+ FGAIShip* ai_ship = new FGAIShip(this);
ai_list.push_back(ai_ship);
- ai_ship->setHeading(entry->getDoubleValue("heading"));
- ai_ship->setSpeed(entry->getDoubleValue("speed-KTAS"));
- ai_ship->setPath(entry->getStringValue("path"));
- ai_ship->setAltitude(entry->getDoubleValue("altitude-ft"));
- ai_ship->setLongitude(entry->getDoubleValue("longitude"));
- ai_ship->setLatitude(entry->getDoubleValue("latitude"));
+ ++numObjects[0];
+ ++numObjects[FGAIBase::otShip];
+ ai_ship->setHeading(entity->heading);
+ ai_ship->setSpeed(entity->speed);
+ ai_ship->setPath(entity->path);
+ ai_ship->setAltitude(entity->altitude);
+ ai_ship->setLongitude(entity->longitude);
+ ai_ship->setLatitude(entity->latitude);
+ ai_ship->setBank(entity->rudder);
+
+ if ( entity->fp ) {
+ ai_ship->setFlightPlan(entity->fp);
+ }
+
ai_ship->init();
+ ai_ship->bind();
+ return ai_ship;
+}
+
+void*
+FGAIManager::createBallistic( FGAIModelEntity *entity ) {
- } else if (!strcmp(entry->getStringValue("type", ""), "ballistic")) {
- FGAIBallistic* ai_ballistic = new FGAIBallistic;
+ FGAIBallistic* ai_ballistic = new FGAIBallistic(this);
ai_list.push_back(ai_ballistic);
- ai_ballistic->setAzimuth(entry->getDoubleValue("azimuth"));
- ai_ballistic->setElevation(entry->getDoubleValue("elevation"));
- ai_ballistic->setSpeed(entry->getDoubleValue("speed-fps"));
- ai_ballistic->setPath(entry->getStringValue("path"));
- ai_ballistic->setAltitude(entry->getDoubleValue("altitude-ft"));
- ai_ballistic->setLongitude(entry->getDoubleValue("longitude"));
- ai_ballistic->setLatitude(entry->getDoubleValue("latitude"));
+ ++numObjects[0];
+ ++numObjects[FGAIBase::otBallistic];
+ ai_ballistic->setAzimuth(entity->azimuth);
+ ai_ballistic->setElevation(entity->elevation);
+ ai_ballistic->setSpeed(entity->speed);
+ ai_ballistic->setPath(entity->path);
+ ai_ballistic->setAltitude(entity->altitude);
+ ai_ballistic->setLongitude(entity->longitude);
+ ai_ballistic->setLatitude(entity->latitude);
+ ai_ballistic->setDragArea(entity->eda);
+ ai_ballistic->setLife(entity->life);
+ ai_ballistic->setBuoyancy(entity->buoyancy);
+ ai_ballistic->setWind_from_east(entity->wind_from_east);
+ ai_ballistic->setWind_from_north(entity->wind_from_north);
+ ai_ballistic->setWind(entity->wind);
+ ai_ballistic->setRoll(entity->roll);
+ ai_ballistic->setCd(entity->cd);
+ ai_ballistic->setWeight(entity->weight);
ai_ballistic->init();
- }
- }
- }
-
- initDone = true;
+ ai_ballistic->bind();
+ return ai_ballistic;
}
+void*
+FGAIManager::createStorm( FGAIModelEntity *entity ) {
-void FGAIManager::bind() {
+ FGAIStorm* ai_storm = new FGAIStorm(this);
+ ai_list.push_back(ai_storm);
+ ++numObjects[0];
+ ++numObjects[FGAIBase::otStorm];
+ ai_storm->setHeading(entity->heading);
+ ai_storm->setSpeed(entity->speed);
+ ai_storm->setPath(entity->path);
+ ai_storm->setAltitude(entity->altitude);
+ ai_storm->setLongitude(entity->longitude);
+ ai_storm->setLatitude(entity->latitude);
+ ai_storm->init();
+ ai_storm->bind();
+ return ai_storm;
}
+void*
+FGAIManager::createThermal( FGAIModelEntity *entity ) {
-void FGAIManager::unbind() {
+ FGAIThermal* ai_thermal = new FGAIThermal(this);
+ ai_list.push_back(ai_thermal);
+ ++numObjects[0];
+ ++numObjects[FGAIBase::otThermal];
+ ai_thermal->setLongitude(entity->longitude);
+ ai_thermal->setLatitude(entity->latitude);
+ ai_thermal->setMaxStrength(entity->strength);
+ ai_thermal->setDiameter(entity->diameter / 6076.11549);
+ ai_thermal->init();
+ ai_thermal->bind();
+ return ai_thermal;
}
-
-void FGAIManager::update(double dt) {
-#if 0
- if(!initDone) {
- init();
- SG_LOG(SG_ATC, SG_WARN, "Warning - AIManager::update(...) called before AIManager::init()");
- }
-#endif
-
+void FGAIManager::destroyObject( void* ID ) {
ai_list_itr = ai_list.begin();
while(ai_list_itr != ai_list.end()) {
- if ((*ai_list_itr)->getDie()) {
- ai_list.erase(ai_list_itr, ai_list_itr);
- } else {
- (*ai_list_itr)->update(dt);
- }
- ++ai_list_itr;
+ if ((*ai_list_itr)->getID() == ID) {
+ --numObjects[0];
+ --numObjects[(*ai_list_itr)->getType()];
+ delete (*ai_list_itr);
+ ai_list.erase(ai_list_itr);
+
+ break;
+ }
+ ++ai_list_itr;
}
}
+
+// fetch the user's state every 10 sim cycles
+void FGAIManager::fetchUserState( void ) {
+ ++dt_count;
+ if (dt_count == 10) {
+ user_latitude = fgGetDouble("/position/latitude-deg");
+ user_longitude = fgGetDouble("/position/longitude-deg");
+ user_altitude = fgGetDouble("/position/altitude-ft");
+ user_heading = fgGetDouble("/orientation/heading-deg");
+ user_pitch = fgGetDouble("/orientation/pitch-deg");
+ user_yaw = fgGetDouble("/orientation/side-slip-deg");
+ user_speed = fgGetDouble("/velocities/uBody-fps") * 0.592484;
+ dt_count = 0;
+ }
+}
+
+
+// only keep the results from the nearest thermal
+void FGAIManager::processThermal( FGAIThermal* thermal ) {
+ thermal->update(_dt);
+ if ( thermal->_getRange() < range_nearest ) {
+ range_nearest = thermal->_getRange();
+ strength = thermal->getStrength();
+ }
+}
+
+
+void FGAIManager::processScenario( string filename ) {
+ FGAIScenario* s = new FGAIScenario( filename );
+ for (int i=0;i<s->nEntries();i++) {
+ FGAIModelEntity* en = s->getNextEntry();
+
+ if (en) {
+
+ if (en->m_type == "aircraft") {
+ createAircraft( en );
+
+ } else if (en->m_type == "ship") {
+ createShip( en );
+
+ } else if (en->m_type == "storm") {
+ createStorm( en );
+
+ } else if (en->m_type == "thermal") {
+ createThermal( en );
+
+ } else if (en->m_type == "ballistic") {
+ createBallistic( en );
+ }
+ }
+ }
+
+ delete s;
+}
+
+//end AIManager.cxx
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