// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#include <cstring>
+#include <algorithm>
#include <simgear/sg_inlines.h>
#include <simgear/math/sg_geodesy.hxx>
#include <simgear/props/props_io.hxx>
#include <simgear/structure/exception.hxx>
+#include <simgear/structure/commands.hxx>
+#include <simgear/structure/SGBinding.hxx>
+
#include <boost/mem_fn.hpp>
#include <boost/foreach.hpp>
#include <Main/globals.hxx>
-
-#include <Airports/simple.hxx>
-#include <Traffic/TrafficMgr.hxx>
+#include <Airports/airport.hxx>
+#include <Scripting/NasalSys.hxx>
#include "AIManager.hxx"
#include "AIAircraft.hxx"
#include "AIGroundVehicle.hxx"
#include "AIEscort.hxx"
+class FGAIManager::Scenario
+{
+public:
+ Scenario(FGAIManager* man, const std::string& nm, SGPropertyNode* scenarios) :
+ _internalName(nm)
+ {
+ BOOST_FOREACH(SGPropertyNode* scEntry, scenarios->getChildren("entry")) {
+ FGAIBasePtr ai = man->addObject(scEntry);
+ if (ai) {
+ _objects.push_back(ai);
+ }
+ } // of scenario entry iteration
+
+ SGPropertyNode* nasalScripts = scenarios->getChild("nasal");
+ if (!nasalScripts) {
+ return;
+ }
+
+ _unloadScript = nasalScripts->getStringValue("unload");
+ std::string loadScript = nasalScripts->getStringValue("load");
+ if (!loadScript.empty()) {
+ FGNasalSys* nasalSys = (FGNasalSys*) globals->get_subsystem("nasal");
+ std::string moduleName = "scenario_" + _internalName;
+ nasalSys->createModule(moduleName.c_str(), moduleName.c_str(),
+ loadScript.c_str(), loadScript.size(),
+ 0);
+ }
+ }
+
+ ~Scenario()
+ {
+ BOOST_FOREACH(FGAIBasePtr ai, _objects) {
+ ai->setDie(true);
+ }
+
+ FGNasalSys* nasalSys = (FGNasalSys*) globals->get_subsystem("nasal");
+ if (!nasalSys)
+ return;
+
+ std::string moduleName = "scenario_" + _internalName;
+ if (!_unloadScript.empty()) {
+ nasalSys->createModule(moduleName.c_str(), moduleName.c_str(),
+ _unloadScript.c_str(), _unloadScript.size(),
+ 0);
+ }
+
+ nasalSys->deleteModule(moduleName.c_str());
+ }
+private:
+ std::vector<FGAIBasePtr> _objects;
+ std::string _internalName;
+ std::string _unloadScript;
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
FGAIManager::FGAIManager() :
cb_ai_bare(SGPropertyChangeCallback<FGAIManager>(this,&FGAIManager::updateLOD,
fgGetNode("/sim/rendering/static-lod/ai-bare", true))),
wind_from_east_node = fgGetNode("/environment/wind-from-east-fps",true);
wind_from_north_node = fgGetNode("/environment/wind-from-north-fps",true);
- user_latitude_node = fgGetNode("/position/latitude-deg", true);
- user_longitude_node = fgGetNode("/position/longitude-deg", true);
- user_altitude_node = fgGetNode("/position/altitude-ft", true);
user_altitude_agl_node = fgGetNode("/position/altitude-agl-ft", true);
- user_heading_node = fgGetNode("/orientation/heading-deg", true);
- user_pitch_node = fgGetNode("/orientation/pitch-deg", true);
- user_yaw_node = fgGetNode("/orientation/side-slip-deg", true);
- user_roll_node = fgGetNode("/orientation/roll-deg", true);
user_speed_node = fgGetNode("/velocities/uBody-fps", true);
+
+ globals->get_commands()->addCommand("load-scenario", this, &FGAIManager::loadScenarioCommand);
+ globals->get_commands()->addCommand("unload-scenario", this, &FGAIManager::unloadScenarioCommand);
+ _environmentVisiblity = fgGetNode("/environment/visibility-m");
}
void
-FGAIManager::postinit() {
+FGAIManager::postinit()
+{
// postinit, so that it can access the Nasal subsystem
- if (!root->getBoolValue("scenarios-enabled", true))
- return;
-
// scenarios enabled, AI subsystem required
if (!enabled->getBoolValue())
enabled->setBoolValue(true);
// process all scenarios
- map<string, bool> scenarios;
- for (int i = 0 ; i < root->nChildren() ; i++) {
- SGPropertyNode *n = root->getChild(i);
- if (strcmp(n->getName(), "scenario"))
- continue;
-
- string name = n->getStringValue();
+ BOOST_FOREACH(SGPropertyNode* n, root->getChildren("scenario")) {
+ const string& name = n->getStringValue();
if (name.empty())
continue;
- if (scenarios.find(name) != scenarios.end()) {
- SG_LOG(SG_AI, SG_DEBUG, "won't load scenario '" << name << "' twice");
+ if (_scenarios.find(name) != _scenarios.end()) {
+ SG_LOG(SG_AI, SG_WARN, "won't load scenario '" << name << "' twice");
continue;
}
- SG_LOG(SG_AI, SG_ALERT, "loading scenario '" << name << '\'');
- processScenario(name);
- scenarios[name] = true;
+ SG_LOG(SG_AI, SG_INFO, "loading scenario '" << name << '\'');
+ loadScenario(name);
}
}
void
FGAIManager::reinit()
{
+ // shutdown scenarios
+ unloadAllScenarios();
+
update(0.0);
std::for_each(ai_list.begin(), ai_list.end(), boost::mem_fn(&FGAIBase::reinit));
+
+ // (re-)load scenarios
+ postinit();
+}
+
+void
+FGAIManager::shutdown()
+{
+ unloadAllScenarios();
+
+ BOOST_FOREACH(FGAIBase* ai, ai_list) {
+ ai->unbind();
+ }
+
+ ai_list.clear();
+ _environmentVisiblity.clear();
+
+ globals->get_commands()->removeCommand("load-scenario");
+ globals->get_commands()->removeCommand("unload-scenario");
}
void
void FGAIManager::removeDeadItem(FGAIBase* base)
{
- FGTrafficManager *tmgr = (FGTrafficManager*) globals->get_subsystem("traffic-manager");
- if (tmgr) {
- tmgr->release(base->getID());
- }
-
SGPropertyNode *props = base->_getProps();
props->setBoolValue("valid", false);
ai_list.erase(ai_list.begin(), firstAlive);
- // every remaining item is alive
+ // every remaining item is alive. update them in turn, but guard for
+ // exceptions, so a single misbehaving AI object doesn't bring down the
+ // entire subsystem.
BOOST_FOREACH(FGAIBase* base, ai_list) {
- if (base->isa(FGAIBase::otThermal)) {
- processThermal(dt, (FGAIThermal*)base);
- } else {
- base->update(dt);
+ try {
+ if (base->isa(FGAIBase::otThermal)) {
+ processThermal(dt, (FGAIThermal*)base);
+ } else {
+ base->update(dt);
+ }
+ } catch (sg_exception& e) {
+ SG_LOG(SG_AI, SG_WARN, "caught exception updating AI model:" << base->_getName()<< ", which will be killed."
+ "\n\tError:" << e.getFormattedMessage());
+ base->setDie(true);
}
} // of live AI objects iteration
p->setBoolValue("valid", true);
}
-void
-FGAIManager::destroyObject( int ID ) {
- ai_list_iterator ai_list_itr = ai_list.begin();
-
- while(ai_list_itr != ai_list.end()) {
-
- if ((*ai_list_itr)->getID() == ID) {
- (*ai_list_itr)->unbind();
- ai_list_itr = ai_list.erase(ai_list_itr);
- } else
- ++ai_list_itr;
- }
-
+bool FGAIManager::isVisible(const SGGeod& pos) const
+{
+ double visibility_meters = _environmentVisiblity->getDoubleValue();
+ return ( dist(globals->get_view_position_cart(), SGVec3d::fromGeod(pos)) ) <= visibility_meters;
}
int
-FGAIManager::getNumAiObjects(void) const
+FGAIManager::getNumAiObjects() const
{
return ai_list.size();
}
void
FGAIManager::fetchUserState( void ) {
- user_latitude = user_latitude_node->getDoubleValue();
- user_longitude = user_longitude_node->getDoubleValue();
- user_altitude = user_altitude_node->getDoubleValue();
- user_heading = user_heading_node->getDoubleValue();
- user_pitch = user_pitch_node->getDoubleValue();
- user_yaw = user_yaw_node->getDoubleValue();
+ globals->get_aircraft_orientation(user_heading, user_pitch, user_roll);
user_speed = user_speed_node->getDoubleValue() * 0.592484;
- user_roll = user_roll_node->getDoubleValue();
wind_from_east = wind_from_east_node->getDoubleValue();
wind_from_north = wind_from_north_node->getDoubleValue();
user_altitude_agl = user_altitude_agl_node->getDoubleValue();
}
+bool FGAIManager::loadScenarioCommand(const SGPropertyNode* args)
+{
+ std::string name = args->getStringValue("name");
+ if (args->hasChild("load-property")) {
+ // slightly ugly, to simplify life in the dialogs, make load allow
+ // loading or unloading based on a bool property.
+ bool loadIt = fgGetBool(args->getStringValue("load-property"));
+ if (!loadIt) {
+ // user actually wants to unload, fine.
+ return unloadScenario(name);
+ }
+ }
+
+ if (_scenarios.find(name) != _scenarios.end()) {
+ SG_LOG(SG_AI, SG_WARN, "scenario '" << name << "' already loaded");
+ return false;
+ }
+
+ bool ok = loadScenario(name);
+ if (ok) {
+ // create /sim/ai node for consistency
+ int index = 0;
+ for (; root->hasChild("scenario", index); ++index) {}
+
+ SGPropertyNode* scenarioNode = root->getChild("scenario", index, true);
+ scenarioNode->setStringValue(name);
+ }
+
+ return ok;
+}
+
+bool FGAIManager::unloadScenarioCommand(const SGPropertyNode* args)
+{
+ std::string name = args->getStringValue("name");
+ return unloadScenario(name);
+}
+bool FGAIManager::addObjectCommand(const SGPropertyNode* definition)
+{
+ addObject(definition);
+ return true;
+}
-void
-FGAIManager::processScenario( const string &filename ) {
+FGAIBasePtr FGAIManager::addObject(const SGPropertyNode* definition)
+{
+ const std::string& type = definition->getStringValue("type", "aircraft");
+
+ FGAIBase* ai = NULL;
+ if (type == "tanker") { // refueling scenarios
+ ai = new FGAITanker;
+ } else if (type == "wingman") {
+ ai = new FGAIWingman;
+ } else if (type == "aircraft") {
+ ai = new FGAIAircraft;
+ } else if (type == "ship") {
+ ai = new FGAIShip;
+ } else if (type == "carrier") {
+ ai = new FGAICarrier;
+ } else if (type == "groundvehicle") {
+ ai = new FGAIGroundVehicle;
+ } else if (type == "escort") {
+ ai = new FGAIEscort;
+ } else if (type == "thunderstorm") {
+ ai = new FGAIStorm;
+ } else if (type == "thermal") {
+ ai = new FGAIThermal;
+ } else if (type == "ballistic") {
+ ai = new FGAIBallistic;
+ } else if (type == "static") {
+ ai = new FGAIStatic;
+ }
- SGPropertyNode_ptr scenarioTop = loadScenarioFile(filename);
+ ai->readFromScenario(const_cast<SGPropertyNode*>(definition));
+ attach(ai);
+ return ai;
+}
- if (!scenarioTop)
- return;
+bool FGAIManager::removeObject(const SGPropertyNode* args)
+{
+ int id = args->getIntValue("id");
+ BOOST_FOREACH(FGAIBase* ai, get_ai_list()) {
+ if (ai->getID() == id) {
+ ai->setDie(true);
+ break;
+ }
+ }
+
+ return false;
+}
- SGPropertyNode* scenarios = scenarioTop->getChild("scenario");
+FGAIBasePtr FGAIManager::getObjectFromProperty(const SGPropertyNode* aProp) const
+{
+ BOOST_FOREACH(FGAIBase* ai, get_ai_list()) {
+ if (ai->_getProps() == aProp) {
+ return ai;
+ }
+ } // of AI objects iteration
+
+ return NULL;
+}
- if (!scenarios)
- return;
+bool
+FGAIManager::loadScenario( const string &filename )
+{
+ SGPropertyNode_ptr file = loadScenarioFile(filename);
+ if (!file) {
+ return false;
+ }
+
+ SGPropertyNode_ptr scNode = file->getChild("scenario");
+ if (!scNode) {
+ return false;
+ }
+
+ _scenarios[filename] = new Scenario(this, filename, scNode);
+ return true;
+}
- for (int i = 0; i < scenarios->nChildren(); i++) {
- SGPropertyNode* scEntry = scenarios->getChild(i);
- if (strcmp(scEntry->getName(), "entry"))
- continue;
- std::string type = scEntry->getStringValue("type", "aircraft");
-
- if (type == "tanker") { // refueling scenarios
- FGAITanker* tanker = new FGAITanker;
- tanker->readFromScenario(scEntry);
- attach(tanker);
-
- } else if (type == "wingman") {
- FGAIWingman* wingman = new FGAIWingman;
- wingman->readFromScenario(scEntry);
- attach(wingman);
-
- } else if (type == "aircraft") {
- FGAIAircraft* aircraft = new FGAIAircraft;
- aircraft->readFromScenario(scEntry);
- attach(aircraft);
-
- } else if (type == "ship") {
- FGAIShip* ship = new FGAIShip;
- ship->readFromScenario(scEntry);
- attach(ship);
-
- } else if (type == "carrier") {
- FGAICarrier* carrier = new FGAICarrier;
- carrier->readFromScenario(scEntry);
- attach(carrier);
-
- } else if (type == "groundvehicle") {
- FGAIGroundVehicle* groundvehicle = new FGAIGroundVehicle;
- groundvehicle->readFromScenario(scEntry);
- attach(groundvehicle);
-
- } else if (type == "escort") {
- FGAIEscort* escort = new FGAIEscort;
- escort->readFromScenario(scEntry);
- attach(escort);
-
- } else if (type == "thunderstorm") {
- FGAIStorm* storm = new FGAIStorm;
- storm->readFromScenario(scEntry);
- attach(storm);
-
- } else if (type == "thermal") {
- FGAIThermal* thermal = new FGAIThermal;
- thermal->readFromScenario(scEntry);
- attach(thermal);
-
- } else if (type == "ballistic") {
- FGAIBallistic* ballistic = new FGAIBallistic;
- ballistic->readFromScenario(scEntry);
- attach(ballistic);
-
- } else if (type == "static") {
- FGAIStatic* aistatic = new FGAIStatic;
- aistatic->readFromScenario(scEntry);
- attach(aistatic);
+bool
+FGAIManager::unloadScenario( const string &filename)
+{
+ ScenarioDict::iterator it = _scenarios.find(filename);
+ if (it == _scenarios.end()) {
+ SG_LOG(SG_AI, SG_WARN, "unload scenario: not found:" << filename);
+ return false;
+ }
+
+// remove /sim/ai node
+ unsigned int index = 0;
+ for (SGPropertyNode* n = NULL; (n = root->getChild("scenario", index)) != NULL; ++index) {
+ if (n->getStringValue() == filename) {
+ root->removeChild("scenario", index);
+ break;
}
-
}
+
+ delete it->second;
+ _scenarios.erase(it);
+ return true;
+}
+void
+FGAIManager::unloadAllScenarios()
+{
+ ScenarioDict::iterator it = _scenarios.begin();
+ for (; it != _scenarios.end(); ++it) {
+ delete it->second;
+ } // of scenarios iteration
+
+
+ // remove /sim/ai node
+ root->removeChildren("scenario");
+ _scenarios.clear();
}
+
SGPropertyNode_ptr
FGAIManager::loadScenarioFile(const std::string& filename)
{
} catch (const sg_exception &t) {
SG_LOG(SG_AI, SG_ALERT, "Failed to load scenario '"
<< path.str() << "': " << t.getFormattedMessage());
- return 0;
}
+ return 0;
}
bool
for (int i = 0 ; (!found) && i < root->nChildren() ; i++) {
SGPropertyNode *aiEntry = root->getChild( i );
if ( !strcmp( aiEntry->getName(), "scenario" ) ) {
- string filename = aiEntry->getStringValue();
+ const string& filename = aiEntry->getStringValue();
SGPropertyNode_ptr scenarioTop = loadScenarioFile(filename);
if (scenarioTop) {
SGPropertyNode* scenarios = scenarioTop->getChild("scenario");
if (scenarios) {
for (int i = 0; i < scenarios->nChildren(); i++) {
SGPropertyNode* scEntry = scenarios->getChild(i);
- std::string type = scEntry->getStringValue("type");
- std::string pnumber = scEntry->getStringValue("pennant-number");
- std::string name = scEntry->getStringValue("name");
+ const std::string& type = scEntry->getStringValue("type");
+ const std::string& pnumber = scEntry->getStringValue("pennant-number");
+ const std::string& name = scEntry->getStringValue("name");
if (type == "carrier" && (pnumber == id || name == id)) {
SGSharedPtr<FGAICarrier> carrier = new FGAICarrier;
carrier->readFromScenario(scEntry);
int id = (*ai_list_itr)->getID();
- double range = calcRange(cartPos, (*ai_list_itr));
+ double range = calcRangeFt(cartPos, (*ai_list_itr));
//SG_LOG(SG_AI, SG_DEBUG, "AIManager: AI list size "
// << ai_list.size()
}
double
-FGAIManager::calcRange(const SGVec3d& aCartPos, FGAIBase* aObject) const
+FGAIManager::calcRangeFt(const SGVec3d& aCartPos, FGAIBase* aObject) const
{
double distM = dist(aCartPos, aObject->getCartPos());
return distM * SG_METER_TO_FEET;
projects / flightgear.git / blobdiff