#include <boost/foreach.hpp>
#include <boost/algorithm/string/case_conv.hpp>
+#include <simgear/misc/ListDiff.hxx>
#include <simgear/nasal/cppbind/from_nasal.hxx>
#include <simgear/nasal/cppbind/to_nasal.hxx>
#include <simgear/nasal/cppbind/NasalHash.hxx>
#include <Navaids/NavDataCache.hxx>
#include <Navaids/navlist.hxx>
#include <Navaids/navrecord.hxx>
+#include <Navaids/fix.hxx>
typedef nasal::Ghost<FGPositionedRef> NasalPositioned;
typedef nasal::Ghost<FGRunwayRef> NasalRunway;
typedef nasal::Ghost<FGAirportRef> NasalAirport;
typedef nasal::Ghost<flightgear::CommStationRef> NasalCommStation;
typedef nasal::Ghost<FGNavRecordRef> NasalNavRecord;
+typedef nasal::Ghost<FGRunwayRef> NasalRunway;
+typedef nasal::Ghost<FGFixRef> NasalFix;
//------------------------------------------------------------------------------
naRef to_nasal_helper(naContext c, flightgear::SID* sid)
}
//------------------------------------------------------------------------------
-naRef to_nasal_helper(naContext c, const SGGeod& pos)
-{
- nasal::Hash hash(c);
- hash.set("lat", pos.getLatitudeDeg());
- hash.set("lon", pos.getLongitudeDeg());
- hash.set("elevation", pos.getElevationM());
- return hash.get_naRef();
-}
-
-//------------------------------------------------------------------------------
-static naRef f_navaid_course(naContext, FGNavRecord& nav)
+static naRef f_navaid_course(FGNavRecord& nav, naContext)
{
if( !( nav.type() == FGPositioned::ILS
|| nav.type() == FGPositioned::LOC
}
//------------------------------------------------------------------------------
-FGRunway* runwayFromNasalArg( const FGAirport& apt,
+FGRunwayRef runwayFromNasalArg( const FGAirport& apt,
const nasal::CallContext& ctx,
size_t index = 0 )
{
if( index >= ctx.argc )
- return NULL;
+ return FGRunwayRef();
try
{
{
if( !apt.hasRunwayWithIdent(ident) )
// TODO warning/exception?
- return NULL;
+ return FGRunwayRef();
return apt.getRunwayByIdent(ident);
}
{}
// TODO warn/error if no runway?
- return NasalRunway::fromNasal(ctx.c, ctx.args[index]);
+ return ctx.from_nasal<FGRunwayRef>(ctx.args[index]);
}
//------------------------------------------------------------------------------
if( ctx.isGhost(0) )
{
- FGPositioned* pos =
- NasalPositioned::fromNasal(ctx.c, ctx.requireArg<naRef>(0));
+ FGPositionedRef pos =
+ ctx.from_nasal<FGPositionedRef>(ctx.requireArg<naRef>(0));
if( pos )
{
}
//------------------------------------------------------------------------------
-static naRef f_findNavaidsWithinRange(nasal::CallContext ctx)
+static naRef f_findWithinRange(nasal::CallContext ctx)
{
SGGeod pos = getPosition(ctx);
double range_nm = ctx.requireArg<double>(0);
- FGNavList::TypeFilter filter;
- filter.fromTypeString(ctx.getArg<std::string>(0));
+ std::string typeSpec = ctx.getArg<std::string>(1);
+ FGPositioned::TypeFilter filter(FGPositioned::TypeFilter::fromString(typeSpec));
+
+ FGPositionedList items = FGPositioned::findWithinRange(pos, range_nm, &filter);
+ FGPositioned::sortByRange(items, pos);
+ return ctx.to_nasal(items);
+}
+
+static naRef f_findByIdent(nasal::CallContext ctx)
+{
+ std::string prefix = ctx.requireArg<std::string>(0);
+ std::string typeSpec = ctx.getArg<std::string>(1);
+ FGPositioned::TypeFilter filter(FGPositioned::TypeFilter::fromString(typeSpec));
+ bool exact = ctx.getArg<bool>(2, false);
- FGPositionedList navs = FGPositioned::findWithinRange(pos, range_nm, &filter);
- FGPositioned::sortByRange(navs, pos);
+ return ctx.to_nasal( FGPositioned::findAllWithIdent(prefix, &filter, exact) );
+}
- return ctx.to_nasal(navs);
+static naRef f_findByName(nasal::CallContext ctx)
+{
+ std::string prefix = ctx.requireArg<std::string>(0);
+ std::string typeSpec = ctx.getArg<std::string>(1);
+ FGPositioned::TypeFilter filter(FGPositioned::TypeFilter::fromString(typeSpec));
+
+ return ctx.to_nasal( FGPositioned::findAllWithName(prefix, &filter, false) );
}
//------------------------------------------------------------------------------
-naRef initNasalPositioned_cppbind(naRef globalsRef, naContext c, naRef gcSave)
+
+static naRef f_courseAndDistance(nasal::CallContext ctx)
+{
+ SGGeod from = globals->get_aircraft_position(), to, pos;
+ bool ok = extractGeod(ctx, pos);
+ if (!ok) {
+ naRuntimeError(ctx.c, "invalid arguments to courseAndDistance");
+ }
+
+ if (extractGeod(ctx, to)) {
+ from = pos; // we parsed both FROM and TO args, so first was FROM
+ } else {
+ to = pos; // only parsed one arg, so FROM is current
+ }
+
+ double course, course2, d;
+ SGGeodesy::inverse(from, to, course, course2, d);
+
+ naRef result = naNewVector(ctx.c);
+ naVec_append(result, naNum(course));
+ naVec_append(result, naNum(d * SG_METER_TO_NM));
+ return result;
+}
+
+static naRef f_sortByRange(nasal::CallContext ctx)
+{
+ FGPositionedList items = ctx.requireArg<FGPositionedList>(0);
+ ctx.popFront();
+ FGPositioned::sortByRange(items, getPosition(ctx));
+ return ctx.to_nasal(items);
+}
+
+//------------------------------------------------------------------------------
+// Get difference between two lists of positioned objects.
+//
+// For every element in old_list not in new_list the callback cb_remove is
+// called with the removed element as single argument. For every element in
+// new_list not in old_list cb_add is called.
+//
+// diff(old_list, new_list, cb_add[, cb_remove])
+//
+// example:
+// # Print all fixes within a distance of 320 to 640 miles
+// diff( findWithinRange(320, "fix"),
+// findWithinRange(640, "fix"),
+// func(p) print('found fix: ', p.id) );
+static naRef f_diff(nasal::CallContext ctx)
+{
+ typedef simgear::ListDiff<FGPositionedRef> Diff;
+ Diff::List old_list = ctx.requireArg<FGPositionedList>(0),
+ new_list = ctx.requireArg<FGPositionedList>(1);
+ Diff::Callback cb_add = ctx.requireArg<Diff::Callback>(2),
+ cb_rm = ctx.getArg<Diff::Callback>(3);
+
+ // Note that FGPositionedRef instances are only compared for pointer equality.
+ // As the NavCache caches every queried positioned instance it is guaranteed
+ // that only one instance of every positioned object can exist. Therefore we
+ // can make the comparison faster by just comparing pointers and not also the
+ // guid.
+ // (On my machine the difference is 0.27s vs 0.17s)
+ Diff::inplace(old_list, new_list, cb_add, cb_rm);
+
+ return naNil();
+}
+
+//------------------------------------------------------------------------------
+naRef initNasalPositioned_cppbind(naRef globalsRef, naContext c)
{
NasalPositioned::init("Positioned")
.member("id", &FGPositioned::ident)
.member("range_nm", &FGNavRecord::get_range)
.member("course", &f_navaid_course);
+ NasalFix::init("Fix")
+ .bases<NasalPositioned>();
+
NasalAirport::init("FGAirport")
.bases<NasalPositioned>()
.member("has_metar", &FGAirport::getMetar)
.method("getStar", &FGAirport::findSTARWithIdent)
.method("getIAP", &FGAirport::findApproachWithIdent)
.method("tostring", &FGAirport::toString);
-
+
nasal::Hash globals(globalsRef, c),
positioned( globals.createHash("positioned") );
positioned.set("findAirportsWithinRange", f_findAirportsWithinRange);
positioned.set("findAirportsByICAO", &f_findAirportsByICAO);
positioned.set("navinfo", &f_navinfo);
- positioned.set("findNavaidsWithinRange", &f_findNavaidsWithinRange);
+
+ positioned.set("findWithinRange", &f_findWithinRange);
+ positioned.set("findByIdent", &f_findByIdent);
+ positioned.set("findByName", &f_findByName);
+ positioned.set("courseAndDistance", &f_courseAndDistance);
+ positioned.set("sortByRange", &f_sortByRange);
+
+ positioned.set("diff", &f_diff);
return naNil();
}
projects / flightgear.git / blobdiff