1 #include "CommStation.hxx"
5 #include <Navaids/PositionedBinding.hxx>
9 typedef std::multimap<int, flightgear::CommStation*> FrequencyMap;
10 static FrequencyMap static_frequencies;
12 typedef std::pair<FrequencyMap::const_iterator, FrequencyMap::const_iterator> FrequencyMapRange;
14 } // of anonymous namespace
16 namespace flightgear {
18 CommStation::CommStation(const std::string& name, FGPositioned::Type t, const SGGeod& pos, int range, int freq) :
19 FGPositioned(t, name, pos),
24 static_frequencies.insert(std::make_pair(freq, this));
29 void CommStation::setAirport(FGAirport* apt)
34 double CommStation::freqMHz() const
36 return mFreqKhz / 100.0;
40 CommStation::createBinding(SGPropertyNode* nd) const
42 return new CommStationBinding(this, nd);
46 CommStation::findByFreq(int freqKhz, const SGGeod& pos, FGPositioned::Filter* filt)
48 FrequencyMapRange range = static_frequencies.equal_range(freqKhz);
49 FGPositioned::List results;
50 for (; range.first != range.second; ++range.first) {
51 CommStation* sta = range.first->second;
52 if (filt && !filt->pass(sta)) {
53 continue; // filtered out
56 results.push_back(sta);
59 if (results.empty()) {
63 FGPositioned::sortByRange(results, pos);
64 return (CommStation*) results.front().ptr();
67 } // of namespace flightgear