#include <set>
#include <algorithm> // for sort
#include <queue>
+#include <memory>
+#include <boost/foreach.hpp>
#include <boost/algorithm/string/case_conv.hpp>
#include <boost/algorithm/string/predicate.hpp>
-#include <osg/Math> // for osg::isNaN
-
#include <simgear/timing/timestamp.hxx>
#include <simgear/debug/logstream.hxx>
#include <simgear/structure/exception.hxx>
#include <simgear/math/SGGeometry.hxx>
+#include <simgear/sg_inlines.h>
+#include "Navaids/PositionedOctree.hxx"
-
-typedef std::multimap<std::string, FGPositioned*> NamedPositionedIndex;
-typedef std::pair<NamedPositionedIndex::const_iterator, NamedPositionedIndex::const_iterator> NamedIndexRange;
-
-using std::lower_bound;
-using std::upper_bound;
-
-static NamedPositionedIndex global_identIndex;
-static NamedPositionedIndex global_nameIndex;
-
-//////////////////////////////////////////////////////////////////////////////
-
-namespace Octree
-{
-
-const double LEAF_SIZE = SG_NM_TO_METER * 8.0;
-const double LEAF_SIZE_SQR = LEAF_SIZE * LEAF_SIZE;
-
-/**
- * Decorate an object with a double value, and use that value to order
- * items, for the purpoises of the STL algorithms
- */
-template <class T>
-class Ordered
-{
-public:
- Ordered(const T& v, double x) :
- _order(x),
- _inner(v)
- {
- }
-
- Ordered(const Ordered<T>& a) :
- _order(a._order),
- _inner(a._inner)
- {
- }
-
- Ordered<T>& operator=(const Ordered<T>& a)
- {
- _order = a._order;
- _inner = a._inner;
- return *this;
- }
-
- bool operator<(const Ordered<T>& other) const
- {
- return _order < other._order;
- }
-
- bool operator>(const Ordered<T>& other) const
- {
- return _order > other._order;
- }
-
- const T& get() const
- { return _inner; }
-
- double order() const
- { return _order; }
-
-private:
- double _order;
- T _inner;
-};
-
-class Node;
-typedef Ordered<Node*> OrderedNode;
-typedef std::greater<OrderedNode> FNPQCompare;
-
-/**
- * the priority queue is fundamental to our search algorithm. When searching,
- * we know the front of the queue is the nearest unexpanded node (to the search
- * location). The default STL pqueue returns the 'largest' item from top(), so
- * to get the smallest, we need to replace the default Compare functor (less<>)
- * with greater<>.
- */
-typedef std::priority_queue<OrderedNode, std::vector<OrderedNode>, FNPQCompare> FindNearestPQueue;
-
-typedef Ordered<FGPositioned*> OrderedPositioned;
-typedef std::vector<OrderedPositioned> FindNearestResults;
-
-Node* global_spatialOctree = NULL;
-
-/**
- * Octree node base class, tracks its bounding box and provides various
- * queries relating to it
- */
-class Node
-{
-public:
- bool contains(const SGVec3d& aPos) const
- {
- return intersects(aPos, _box);
- }
-
- double distSqrToNearest(const SGVec3d& aPos) const
- {
- return distSqr(aPos, _box.getClosestPoint(aPos));
- }
-
- virtual void insert(FGPositioned* aP) = 0;
-
- virtual void visit(const SGVec3d& aPos, double aCutoff,
- FGPositioned::Filter* aFilter,
- FindNearestResults& aResults, FindNearestPQueue&) = 0;
-protected:
- Node(const SGBoxd &aBox) :
- _box(aBox)
- {
- }
-
- const SGBoxd _box;
-};
-
-class Leaf : public Node
-{
-public:
- Leaf(const SGBoxd& aBox) :
- Node(aBox)
- {
- }
-
- const FGPositioned::List& members() const
- { return _members; }
-
- virtual void insert(FGPositioned* aP)
- {
- _members.push_back(aP);
- }
-
- virtual void visit(const SGVec3d& aPos, double aCutoff,
- FGPositioned::Filter* aFilter,
- FindNearestResults& aResults, FindNearestPQueue&)
- {
- int previousResultsSize = aResults.size();
- int addedCount = 0;
-
- for (unsigned int i=0; i<_members.size(); ++i) {
- FGPositioned* p = _members[i];
- double d2 = distSqr(aPos, p->cart());
- if (d2 > aCutoff) {
- continue;
- }
-
- if (aFilter) {
- if (aFilter->hasTypeRange() && !aFilter->passType(p->type())) {
- continue;
- }
-
- if (!aFilter->pass(p)) {
- continue;
- }
- } // of have a filter
-
- ++addedCount;
- aResults.push_back(OrderedPositioned(p, d2));
- }
-
- if (addedCount == 0) {
- return;
- }
-
- // keep aResults sorted
- // sort the new items, usually just one or two items
- std::sort(aResults.begin() + previousResultsSize, aResults.end());
-
- // merge the two sorted ranges together - in linear time
- std::inplace_merge(aResults.begin(),
- aResults.begin() + previousResultsSize, aResults.end());
- }
-private:
- FGPositioned::List _members;
-};
-
-class Branch : public Node
-{
-public:
- Branch(const SGBoxd& aBox) :
- Node(aBox)
- {
- memset(children, 0, sizeof(Node*) * 8);
- }
-
- virtual void insert(FGPositioned* aP)
- {
- SGVec3d cart(aP->cart());
- assert(contains(cart));
- int childIndex = 0;
-
- SGVec3d center(_box.getCenter());
- // tests must match indices in SGbox::getCorner
- if (cart.x() < center.x()) {
- childIndex += 1;
- }
-
- if (cart.y() < center.y()) {
- childIndex += 2;
- }
-
- if (cart.z() < center.z()) {
- childIndex += 4;
- }
-
- Node* child = children[childIndex];
- if (!child) { // lazy building of children
- SGBoxd cb(boxForChild(childIndex));
- double d2 = dot(cb.getSize(), cb.getSize());
- if (d2 < LEAF_SIZE_SQR) {
- child = new Leaf(cb);
- } else {
- child = new Branch(cb);
- }
-
- children[childIndex] = child;
- }
-
- child->insert(aP);
- }
-
- virtual void visit(const SGVec3d& aPos, double aCutoff,
- FGPositioned::Filter*,
- FindNearestResults&, FindNearestPQueue& aQ)
- {
- for (unsigned int i=0; i<8; ++i) {
- if (!children[i]) {
- continue;
- }
-
- double d2 = children[i]->distSqrToNearest(aPos);
- if (d2 > aCutoff) {
- continue; // exceeded cutoff
- }
-
- aQ.push(Ordered<Node*>(children[i], d2));
- } // of child iteration
- }
-
-
-private:
- /**
- * Return the box for a child touching the specified corner
- */
- SGBoxd boxForChild(unsigned int aCorner) const
- {
- SGBoxd r(_box.getCenter());
- r.expandBy(_box.getCorner(aCorner));
- return r;
- }
-
- Node* children[8];
-};
-
-void findNearestN(const SGVec3d& aPos, unsigned int aN, double aCutoffM, FGPositioned::Filter* aFilter, FGPositioned::List& aResults)
-{
- aResults.clear();
- FindNearestPQueue pq;
- FindNearestResults results;
- pq.push(Ordered<Node*>(global_spatialOctree, 0));
- double cut = aCutoffM * aCutoffM;
-
- while (!pq.empty()) {
- if (!results.empty()) {
- // terminate the search if we have sufficent results, and we are
- // sure no node still on the queue contains a closer match
- double furthestResultOrder = results.back().order();
- if ((results.size() >= aN) && (furthestResultOrder < pq.top().order())) {
- break;
- }
- }
-
- Node* nd = pq.top().get();
- pq.pop();
-
- nd->visit(aPos, cut, aFilter, results, pq);
- } // of queue iteration
-
- // depending on leaf population, we may have (slighty) more results
- // than requested
- unsigned int numResults = std::min((unsigned int) results.size(), aN);
- // copy results out
- aResults.resize(numResults);
- for (unsigned int r=0; r<numResults; ++r) {
- aResults[r] = results[r].get();
- }
-}
-
-void findAllWithinRange(const SGVec3d& aPos, double aRangeM, FGPositioned::Filter* aFilter, FGPositioned::List& aResults)
-{
- aResults.clear();
- FindNearestPQueue pq;
- FindNearestResults results;
- pq.push(Ordered<Node*>(global_spatialOctree, 0));
- double rng = aRangeM * aRangeM;
-
- while (!pq.empty()) {
- Node* nd = pq.top().get();
- pq.pop();
-
- nd->visit(aPos, rng, aFilter, results, pq);
- } // of queue iteration
-
- unsigned int numResults = results.size();
- // copy results out
- aResults.resize(numResults);
- for (unsigned int r=0; r<numResults; ++r) {
- aResults[r] = results[r].get();
- }
-}
-
-} // of namespace Octree
-
-//////////////////////////////////////////////////////////////////////////////
-
-static void
-addToIndices(FGPositioned* aPos)
-{
- assert(aPos);
- if (!aPos->ident().empty()) {
- std::string u(boost::to_upper_copy(aPos->ident()));
-
- global_identIndex.insert(global_identIndex.begin(),
- std::make_pair(u, aPos));
- }
-
- if (!aPos->name().empty()) {
- std::string u(boost::to_upper_copy(aPos->name()));
-
- global_nameIndex.insert(global_nameIndex.begin(),
- std::make_pair(u, aPos));
- }
-
- if (!Octree::global_spatialOctree) {
- double RADIUS_EARTH_M = 7000 * 1000.0; // 7000km is plenty
- SGVec3d earthExtent(RADIUS_EARTH_M, RADIUS_EARTH_M, RADIUS_EARTH_M);
- Octree::global_spatialOctree = new Octree::Branch(SGBox<double>(-earthExtent, earthExtent));
- }
- Octree::global_spatialOctree->insert(aPos);
-}
-
-static void
-removeFromIndices(FGPositioned* aPos)
-{
- assert(aPos);
-
- if (!aPos->ident().empty()) {
- std::string u(boost::to_upper_copy(aPos->ident()));
- NamedPositionedIndex::iterator it = global_identIndex.find(u);
- while (it != global_identIndex.end() && (it->first == u)) {
- if (it->second == aPos) {
- global_identIndex.erase(it);
- break;
- }
-
- ++it;
- } // of multimap walk
- }
-
- if (!aPos->name().empty()) {
- std::string u(boost::to_upper_copy(aPos->name()));
- NamedPositionedIndex::iterator it = global_nameIndex.find(u);
- while (it != global_nameIndex.end() && (it->first == u)) {
- if (it->second == aPos) {
- global_nameIndex.erase(it);
- break;
- }
-
- ++it;
- } // of multimap walk
- }
-}
-
-//////////////////////////////////////////////////////////////////////////////
-
-class OrderByName
-{
-public:
- bool operator()(FGPositioned* a, FGPositioned* b) const
- {
- return a->name() < b->name();
- }
-};
-
-void findInIndex(NamedPositionedIndex& aIndex, const std::string& aFind, std::vector<FGPositioned*>& aResult)
-{
- NamedPositionedIndex::const_iterator it = aIndex.begin();
- NamedPositionedIndex::const_iterator end = aIndex.end();
-
- bool haveFilter = !aFind.empty();
-
- for (; it != end; ++it) {
- FGPositioned::Type ty = it->second->type();
- if ((ty < FGPositioned::AIRPORT) || (ty > FGPositioned::SEAPORT)) {
- continue;
- }
-
- if (haveFilter && it->first.find(aFind) == std::string::npos) {
- continue;
- }
-
- aResult.push_back(it->second);
- } // of index iteration
-}
-
-/**
- * A special purpose helper (imported by FGAirport::searchNamesAndIdents) to
- * implement the AirportList dialog. It's unfortunate that it needs to reside
- * here, but for now it's least ugly solution.
- */
-char** searchAirportNamesAndIdents(const std::string& aFilter)
-{
-// note this is a vector of raw pointers, not smart pointers, because it
-// may get very large and smart-pointer-atomicity-locking then becomes a
-// bottleneck for this case.
- std::vector<FGPositioned*> matches;
- if (!aFilter.empty()) {
- std::string filter = boost::to_upper_copy(aFilter);
- findInIndex(global_identIndex, filter, matches);
- findInIndex(global_nameIndex, filter, matches);
- } else {
-
- findInIndex(global_identIndex, std::string(), matches);
- }
-
-// sort alphabetically on name
- std::sort(matches.begin(), matches.end(), OrderByName());
-
-// convert results to format comptible with puaList
- unsigned int numMatches = matches.size();
- char** result = new char*[numMatches + 1];
- result[numMatches] = NULL; // end-of-list marker
-
- // nasty code to avoid excessive string copying and allocations.
- // We format results as follows (note whitespace!):
- // ' name-of-airport-chars (ident)'
- // so the total length is:
- // 1 + strlen(name) + 4 + strlen(icao) + 1 + 1 (for the null)
- // which gives a grand total of 7 + name-length + icao-length.
- // note the ident can be three letters (non-ICAO local strip), four
- // (default ICAO) or more (extended format ICAO)
- for (unsigned int i=0; i<numMatches; ++i) {
- int nameLength = matches[i]->name().size();
- int icaoLength = matches[i]->ident().size();
- char* entry = new char[7 + nameLength + icaoLength];
- char* dst = entry;
- *dst++ = ' ';
- memcpy(dst, matches[i]->name().c_str(), nameLength);
- dst += nameLength;
- *dst++ = ' ';
- *dst++ = ' ';
- *dst++ = ' ';
- *dst++ = '(';
- memcpy(dst, matches[i]->ident().c_str(), icaoLength);
- dst += icaoLength;
- *dst++ = ')';
- *dst++ = 0;
- result[i] = entry;
- }
-
- return result;
-}
+using std::string;
+using namespace flightgear;
static void validateSGGeod(const SGGeod& geod)
{
- if (osg::isNaN(geod.getLatitudeDeg()) ||
- osg::isNaN(geod.getLongitudeDeg()))
+ if (SGMisc<double>::isNaN(geod.getLatitudeDeg()) ||
+ SGMisc<double>::isNaN(geod.getLongitudeDeg()))
{
throw sg_range_exception("position is invalid, NaNs");
}
}
-///////////////////////////////////////////////////////////////////////////////
-
-bool
-FGPositioned::Filter::hasTypeRange() const
-{
- assert(minType() <= maxType());
- return (minType() != INVALID) && (maxType() != INVALID);
-}
-
-bool
-FGPositioned::Filter::passType(Type aTy) const
-{
- assert(hasTypeRange());
- return (minType() <= aTy) && (maxType() >= aTy);
-}
-
-static FGPositioned::List
-findAll(const NamedPositionedIndex& aIndex,
- const std::string& aName,
- FGPositioned::Filter* aFilter,
- bool aExact)
+static bool validateFilter(FGPositioned::Filter* filter)
{
- FGPositioned::List result;
- if (aName.empty()) {
- return result;
- }
-
- std::string name = boost::to_upper_copy(aName);
- NamedPositionedIndex::const_iterator upperBound;
-
- if (aExact) {
- upperBound = aIndex.upper_bound(name);
- } else {
- std::string upperBoundId = name;
- upperBoundId[upperBoundId.size()-1]++;
- upperBound = aIndex.lower_bound(upperBoundId);
- }
-
- NamedPositionedIndex::const_iterator it = aIndex.lower_bound(name);
-
- for (; it != upperBound; ++it) {
- FGPositionedRef candidate = it->second;
- if (aFilter) {
- if (aFilter->hasTypeRange() && !aFilter->passType(candidate->type())) {
- continue;
- }
-
- if (!aFilter->pass(candidate)) {
- continue;
- }
+ if (filter->maxType() < filter->minType()) {
+ SG_LOG(SG_GENERAL, SG_WARN, "invalid positioned filter specified");
+ return false;
}
- result.push_back(candidate);
- }
-
- return result;
+ return true;
}
+
///////////////////////////////////////////////////////////////////////////////
-FGPositioned::FGPositioned(Type ty, const std::string& aIdent, const SGGeod& aPos) :
+FGPositioned::FGPositioned(PositionedID aGuid, Type ty, const std::string& aIdent, const SGGeod& aPos) :
+ mGuid(aGuid),
mPosition(aPos),
+ mCart(SGVec3d::fromGeod(mPosition)),
mType(ty),
mIdent(aIdent)
{
}
-void FGPositioned::init(bool aIndexed)
-{
- SGReferenced::get(this); // hold an owning ref, for the moment
- mCart = SGVec3d::fromGeod(mPosition);
-
- if (aIndexed) {
- assert(mType != TAXIWAY && mType != PAVEMENT);
- addToIndices(this);
- }
-}
-
FGPositioned::~FGPositioned()
{
- //std::cout << "destroying:" << mIdent << "/" << nameForType(mType) << std::endl;
- removeFromIndices(this);
+// std::cout << "destroying:" << mIdent << "/" << nameForType(mType) << std::endl;
}
FGPositioned*
FGPositioned::createUserWaypoint(const std::string& aIdent, const SGGeod& aPos)
{
- FGPositioned* wpt = new FGPositioned(WAYPOINT, aIdent, aPos);
- wpt->init(true);
- return wpt;
+ NavDataCache* cache = NavDataCache::instance();
+ TypeFilter filter(WAYPOINT);
+ FGPositionedList existing = cache->findAllWithIdent(aIdent, &filter, true);
+ if (!existing.empty()) {
+ SG_LOG(SG_NAVAID, SG_WARN, "attempt to insert duplicate WAYPOINT:" << aIdent);
+ return existing.front().ptr();
+ }
+
+ PositionedID id = cache->createPOI(WAYPOINT, aIdent, aPos);
+ return cache->loadById(id);
+}
+
+bool FGPositioned::deleteUserWaypoint(const std::string& aIdent)
+{
+ NavDataCache* cache = NavDataCache::instance();
+ return cache->removePOI(WAYPOINT, aIdent);
}
+
const SGVec3d&
FGPositioned::cart() const
{
const NameTypeEntry names[] = {
{"airport", AIRPORT},
{"vor", VOR},
+ {"loc", LOC},
+ {"ils", ILS},
+ {"gs", GS},
{"ndb", NDB},
{"wpt", WAYPOINT},
{"fix", FIX},
{"tacan", TACAN},
{"dme", DME},
+ {"atis", FREQ_ATIS},
+ {"awos", FREQ_AWOS},
+ {"tower", FREQ_TOWER},
+ {"ground", FREQ_GROUND},
+ {"approach", FREQ_APP_DEP},
+ {"departure", FREQ_APP_DEP},
+ {"runway", RUNWAY},
+ {"helipad", HELIPAD},
+ {"country", COUNTRY},
+ {"city", CITY},
+ {"town", TOWN},
+ {"village", VILLAGE},
+
// aliases
+ {"localizer", LOC},
+ {"gnd", FREQ_GROUND},
+ {"twr", FREQ_TOWER},
{"waypoint", WAYPOINT},
{"apt", AIRPORT},
{"arpt", AIRPORT},
+ {"rwy", RUNWAY},
{"any", INVALID},
{"all", INVALID},
}
}
- SG_LOG(SG_GENERAL, SG_WARN, "FGPositioned::typeFromName: couldn't match:" << aName);
+ SG_LOG(SG_NAVAID, SG_WARN, "FGPositioned::typeFromName: couldn't match:" << aName);
return INVALID;
}
{
switch (aTy) {
case RUNWAY: return "runway";
+ case HELIPAD: return "helipad";
case TAXIWAY: return "taxiway";
case PAVEMENT: return "pavement";
- case PARK_STAND: return "parking stand";
+ case PARKING: return "parking stand";
case FIX: return "fix";
case VOR: return "VOR";
case NDB: return "NDB";
case ILS: return "ILS";
- case LOC: return "localiser";
+ case LOC: return "localizer";
case GS: return "glideslope";
case OM: return "outer-marker";
case MM: return "middle-marker";
case WAYPOINT: return "waypoint";
case DME: return "dme";
case TACAN: return "tacan";
+ case FREQ_TOWER: return "tower";
+ case FREQ_ATIS: return "atis";
+ case FREQ_AWOS: return "awos";
+ case FREQ_GROUND: return "ground";
+ case FREQ_CLEARANCE: return "clearance";
+ case FREQ_UNICOM: return "unicom";
+ case FREQ_APP_DEP: return "approach-departure";
+ case TAXI_NODE: return "taxi-node";
+ case COUNTRY: return "country";
+ case CITY: return "city";
+ case TOWN: return "town";
+ case VILLAGE: return "village";
default:
return "unknown";
}
FGPositionedRef
FGPositioned::findClosestWithIdent(const std::string& aIdent, const SGGeod& aPos, Filter* aFilter)
{
- validateSGGeod(aPos);
+ validateSGGeod(aPos);
+ return NavDataCache::instance()->findClosestWithIdent(aIdent, aPos, aFilter);
+}
- FGPositioned::List r(findAll(global_identIndex, aIdent, aFilter, true));
+FGPositionedRef
+FGPositioned::findFirstWithIdent(const std::string& aIdent, Filter* aFilter)
+{
+ if (aIdent.empty()) {
+ return NULL;
+ }
+
+ FGPositionedList r =
+ NavDataCache::instance()->findAllWithIdent(aIdent, aFilter, true);
if (r.empty()) {
- return FGPositionedRef();
+ return NULL;
}
- sortByRange(r, aPos);
return r.front();
}
-FGPositioned::List
+FGPositionedList
FGPositioned::findWithinRange(const SGGeod& aPos, double aRangeNm, Filter* aFilter)
{
validateSGGeod(aPos);
- List result;
+ if (!validateFilter(aFilter)) {
+ return FGPositionedList();
+ }
+
+ FGPositionedList result;
Octree::findAllWithinRange(SGVec3d::fromGeod(aPos),
- aRangeNm * SG_NM_TO_METER, aFilter, result);
+ aRangeNm * SG_NM_TO_METER, aFilter, result, 0xffffff);
+ return result;
+}
+
+FGPositionedList
+FGPositioned::findWithinRangePartial(const SGGeod& aPos, double aRangeNm, Filter* aFilter, bool& aPartial)
+{
+ validateSGGeod(aPos);
+
+ if (!validateFilter(aFilter)) {
+ return FGPositionedList();
+ }
+
+ int limitMsec = 32;
+ FGPositionedList result;
+ aPartial = Octree::findAllWithinRange(SGVec3d::fromGeod(aPos),
+ aRangeNm * SG_NM_TO_METER, aFilter, result,
+ limitMsec);
return result;
}
-FGPositioned::List
+FGPositionedList
FGPositioned::findAllWithIdent(const std::string& aIdent, Filter* aFilter, bool aExact)
{
- return findAll(global_identIndex, aIdent, aFilter, aExact);
+ if (!validateFilter(aFilter)) {
+ return FGPositionedList();
+ }
+
+ return NavDataCache::instance()->findAllWithIdent(aIdent, aFilter, aExact);
}
-FGPositioned::List
+FGPositionedList
FGPositioned::findAllWithName(const std::string& aName, Filter* aFilter, bool aExact)
{
- return findAll(global_nameIndex, aName, aFilter, aExact);
+ if (!validateFilter(aFilter)) {
+ return FGPositionedList();
+ }
+
+ return NavDataCache::instance()->findAllWithName(aName, aFilter, aExact);
}
FGPositionedRef
{
validateSGGeod(aPos);
- List l(findClosestN(aPos, 1, aCutoffNm, aFilter));
+ if (!validateFilter(aFilter)) {
+ return NULL;
+ }
+
+ FGPositionedList l(findClosestN(aPos, 1, aCutoffNm, aFilter));
if (l.empty()) {
return NULL;
}
return l.front();
}
-FGPositioned::List
+FGPositionedList
FGPositioned::findClosestN(const SGGeod& aPos, unsigned int aN, double aCutoffNm, Filter* aFilter)
{
validateSGGeod(aPos);
- List result;
- Octree::findNearestN(SGVec3d::fromGeod(aPos), aN, aCutoffNm * SG_NM_TO_METER, aFilter, result);
+ FGPositionedList result;
+ int limitMsec = 0xffff;
+ Octree::findNearestN(SGVec3d::fromGeod(aPos), aN, aCutoffNm * SG_NM_TO_METER, aFilter, result, limitMsec);
return result;
}
-FGPositionedRef
-FGPositioned::findNextWithPartialId(FGPositionedRef aCur, const std::string& aId, Filter* aFilter)
+FGPositionedList
+FGPositioned::findClosestNPartial(const SGGeod& aPos, unsigned int aN, double aCutoffNm, Filter* aFilter, bool &aPartial)
{
- if (aId.empty()) {
- return NULL;
- }
-
- std::string id(boost::to_upper_copy(aId));
-
- // It is essential to bound our search, to avoid iterating all the way to the end of the database.
- // Do this by generating a second ID with the final character incremented by 1.
- // e.g., if the partial ID is "KI", we wish to search "KIxxx" but not "KJ".
- std::string upperBoundId = id;
- upperBoundId[upperBoundId.size()-1]++;
- NamedPositionedIndex::const_iterator upperBound = global_identIndex.lower_bound(upperBoundId);
-
- NamedIndexRange range = global_identIndex.equal_range(id);
- while (range.first != upperBound) {
- for (; range.first != range.second; ++range.first) {
- FGPositionedRef candidate = range.first->second;
- if (aCur == candidate) {
- aCur = NULL; // found our start point, next match will pass
- continue;
- }
-
- if (aFilter) {
- if (aFilter->hasTypeRange() && !aFilter->passType(candidate->type())) {
- continue;
- }
-
- if (!aFilter->pass(candidate)) {
- continue;
- }
- }
-
- if (!aCur) {
- return candidate;
- }
- }
-
- // Unable to match the filter with this range - try the next range.
- range = global_identIndex.equal_range(range.second->first);
- }
-
- return NULL; // Reached the end of the valid sequence with no match.
+ validateSGGeod(aPos);
+
+ FGPositionedList result;
+ int limitMsec = 32;
+ aPartial = Octree::findNearestN(SGVec3d::fromGeod(aPos), aN, aCutoffNm * SG_NM_TO_METER, aFilter, result,
+ limitMsec);
+ return result;
}
-
+
void
-FGPositioned::sortByRange(List& aResult, const SGGeod& aPos)
+FGPositioned::sortByRange(FGPositionedList& aResult, const SGGeod& aPos)
{
validateSGGeod(aPos);
SGVec3d cartPos(SGVec3d::fromGeod(aPos));
// computer ordering values
Octree::FindNearestResults r;
- List::iterator it = aResult.begin(), lend = aResult.end();
+ FGPositionedList::iterator it = aResult.begin(), lend = aResult.end();
for (; it != lend; ++it) {
double d2 = distSqr((*it)->cart(), cartPos);
r.push_back(Octree::OrderedPositioned(*it, d2));
aResult[i] = r[i].get();
}
}
+
+void FGPositioned::modifyPosition(const SGGeod& newPos)
+{
+ const_cast<SGGeod&>(mPosition) = newPos;
+ const_cast<SGVec3d&>(mCart) = SGVec3d::fromGeod(newPos);
+}
+
+//------------------------------------------------------------------------------
+FGPositionedRef FGPositioned::loadByIdImpl(PositionedID id)
+{
+ return flightgear::NavDataCache::instance()->loadById(id);
+}
+
+FGPositioned::TypeFilter::TypeFilter(Type aTy) :
+ mMinType(LAST_TYPE),
+ mMaxType(INVALID)
+{
+ addType(aTy);
+}
+
+void FGPositioned::TypeFilter::addType(Type aTy)
+{
+ if (aTy == INVALID) {
+ return;
+ }
+
+ types.push_back(aTy);
+ mMinType = std::min(mMinType, aTy);
+ mMaxType = std::max(mMaxType, aTy);
+}
+
+FGPositioned::TypeFilter
+FGPositioned::TypeFilter::fromString(const std::string& aFilterSpec)
+{
+ if (aFilterSpec.empty()) {
+ throw sg_format_exception("empty filter spec:", aFilterSpec);
+ }
+
+ string_list parts = simgear::strutils::split(aFilterSpec, ",");
+ TypeFilter f;
+
+ BOOST_FOREACH(std::string token, parts) {
+ f.addType(typeFromName(token));
+ }
+
+ return f;
+}
+
+bool
+FGPositioned::TypeFilter::pass(FGPositioned* aPos) const
+{
+ if (types.empty()) {
+ return true;
+ }
+
+ std::vector<Type>::const_iterator it = types.begin(),
+ end = types.end();
+ for (; it != end; ++it) {
+ if (aPos->type() == *it) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
projects / flightgear.git / blobdiff