}
void FGAIMgr::init() {
+ // Pointers to user's position
+ lon_node = fgGetNode("/position/longitude-deg", true);
+ lat_node = fgGetNode("/position/latitude-deg", true);
+ elev_node = fgGetNode("/position/altitude-ft", true);
+
// go through the $FG_ROOT/ATC directory and find all *.taxi files
SGPath path(globals->get_fg_root());
path.append("ATC/");
if(dclFindAirportID(f_ident, &a)) {
SGBucket sgb(a.longitude, a.latitude);
int idx = sgb.gen_index();
- airports[idx] = f_ident;
+ if(airports.find(idx) != airports.end()) {
+ airports[idx]->push_back(f_ident);
+ } else {
+ aptID_list_type* apts = new aptID_list_type;
+ apts->push_back(f_ident);
+ airports[idx] = apts;
+ }
cout << "Mapping " << f_ident << " to bucket " << idx << '\n';
}
}
if(dclFindAirportID(f_ident, &a)) {
SGBucket sgb(a.longitude, a.latitude);
int idx = sgb.gen_index();
- airports[idx] = f_ident;
+ if(airports.find(idx) != airports.end()) {
+ airports[idx]->push_back(f_ident);
+ } else {
+ aptID_list_type* apts = new aptID_list_type;
+ apts->push_back(f_ident);
+ airports[idx] = apts;
+ }
cout << "Mapping " << f_ident << " to bucket " << idx << '\n';
}
}
}
#endif
- // Hard wire some local traffic for now.
- // This is regardless of location and hence *very* ugly but it is a start.
- ATC->AIRegisterAirport("KEMT");
- FGAILocalTraffic* local_traffic = new FGAILocalTraffic;
- //local_traffic->Init("KEMT", IN_PATTERN, TAKEOFF_ROLL);
- local_traffic->Init("KEMT");
- local_traffic->FlyCircuits(1, true); // Fly 2 circuits with touch & go in between
- ai_list.push_back(local_traffic);
+ // See if are in range at startup and activate if necessary
+ SearchByPos(10.0);
}
void FGAIMgr::bind() {
}
void FGAIMgr::update(double dt) {
- // Don't update any planes for first 50 runs through - this avoids some possible initialisation anomalies
static int i = 0;
+ static int j = 0;
+
+ // Don't update any planes for first 50 runs through - this avoids some possible initialisation anomalies
+ // Might not need it now we have fade-in though?
if(i < 50) {
- i++;
+ ++i;
return;
}
+ if(j == 215) {
+ SearchByPos(15.0);
+ j = 0;
+ }
+
+ ++j;
+
+ // TODO - need to add a check of if any activated airports have gone out of range
+
// Traverse the list of active planes and run all their update methods
// TODO - spread the load - not all planes should need updating every frame.
// Note that this will require dt to be calculated for each plane though
++ai_list_itr;
}
}
+
+
+// Activate AI traffic at an airport
+void FGAIMgr::ActivateAirport(string ident) {
+ ATC->AIRegisterAirport(ident);
+ // TODO - need to start the traffic more randomly
+ FGAILocalTraffic* local_traffic = new FGAILocalTraffic;
+ //local_traffic->Init(ident, IN_PATTERN, TAKEOFF_ROLL);
+ local_traffic->Init(ident);
+ local_traffic->FlyCircuits(1, true); // Fly 2 circuits with touch & go in between
+ ai_list.push_back(local_traffic);
+ activated[ident] = 1;
+}
+
+
+// Search for valid airports in the vicinity of the user and activate them if necessary
+void FGAIMgr::SearchByPos(double range)
+{
+ //cout << "In SearchByPos(...)\n";
+
+ // get bucket number for plane position
+ lon = lon_node->getDoubleValue();
+ lat = lat_node->getDoubleValue();
+ SGBucket buck(lon, lat);
+
+ // get neigboring buckets
+ int bx = (int)( range*SG_NM_TO_METER / buck.get_width_m() / 2);
+ //cout << "bx = " << bx << '\n';
+ int by = (int)( range*SG_NM_TO_METER / buck.get_height_m() / 2 );
+ //cout << "by = " << by << '\n';
+
+ // loop over bucket range
+ for ( int i=-bx; i<=bx; i++) {
+ //cout << "i loop\n";
+ for ( int j=-by; j<=by; j++) {
+ //cout << "j loop\n";
+ buck = sgBucketOffset(lon, lat, i, j);
+ long int bucket = buck.gen_index();
+ //cout << "bucket is " << bucket << '\n';
+ aptID_list_type* apts = airports[bucket];
+ aptID_list_iterator current = apts->begin();
+ aptID_list_iterator last = apts->end();
+
+ //cout << "Size of apts is " << apts->size() << '\n';
+
+ //double rlon = lon * SGD_DEGREES_TO_RADIANS;
+ //double rlat = lat * SGD_DEGREES_TO_RADIANS;
+ //Point3D aircraft = sgGeodToCart( Point3D(rlon, rlat, elev) );
+ //Point3D airport;
+ for(; current != last; ++current) {
+ //cout << "Found " << *current << '\n';
+ if(activated.find(*current) == activated.end()) {
+ //cout << "Activating " << *current << '\n';
+ //FGAirport a;
+ //if(dclFindAirportID(*current, &a)) {
+ // // We can do something here based on distance from the user if we wish.
+ //}
+ ActivateAirport(*current);
+ } else {
+ //cout << *current << " already activated\n";
+ }
+ }
+ }
+ }
+}
// at any point in or at the end of the list.
// Hence any new access must explicitly first check for atc_list.end() before dereferencing.
+ // A list of airport ID's
+ typedef list < string > aptID_list_type;
+ typedef aptID_list_type::iterator aptID_list_iterator;
+
// A map of airport-IDs that have taxiway network files against bucket number
- typedef map < int, string > ai_apt_map_type;
+ typedef map < int, aptID_list_type* > ai_apt_map_type;
typedef ai_apt_map_type::iterator ai_apt_map_iterator;
ai_apt_map_type airports;
+
+ // A map of airport ID's that we've activated AI traffic at
+ typedef map < string, int > ai_activated_map_type;
+ typedef ai_activated_map_type::iterator ai_activated_map_iterator;
+ ai_activated_map_type activated;
// Position of the Users Aircraft
- // (This may be needed to calculate the distance from the user when deciding which 3D model to render)
- double current_lon;
- double current_lat;
- double current_elev;
+ double lon;
+ double lat;
+ double elev;
// Pointers to current users position
- SGPropertyNode *current_lon_node;
- SGPropertyNode *current_lat_node;
- SGPropertyNode *current_elev_node;
-
- //FGATIS atis;
- //FGGround ground;
- //FGTower tower;
- //FGApproach approach;
- //FGDeparture departure;
+ SGPropertyNode *lon_node;
+ SGPropertyNode *lat_node;
+ SGPropertyNode *elev_node;
public:
// Remove a class from the ai_list and delete it from memory
//void RemoveFromList(const char* id, atc_type tp);
+
+ // Activate AI traffic at an airport
+ void ActivateAirport(string id);
+
+ // Search for valid airports in the vicinity of the user and activate them if necessary
+ void SearchByPos(double range);
};
projects / flightgear.git / commitdiff