// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
-//
+//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
#include "groundradar.hxx"
-static const char* airport_node_name = "/sim/tower/airport-id";
-static const char* texture_name = "Aircraft/Instruments/Textures/od_groundradar.rgb";
-static const char* radar_node_name = "/instrumentation/radar/range";
+static const char* airport_source_node_name = "airport-id-source";
+static const char* default_airport_node_name = "/sim/tower/airport-id";
+static const char* texture_node_name = "texture-name";
+static const char* default_texture_name = "Aircraft/Instruments/Textures/od_groundradar.rgb";
+static const char* range_source_node_name = "range-source";
+static const char* default_range_node_name = "/instrumentation/radar/range";
struct SingleFrameCallback : public osg::Camera::DrawCallback
{
GroundRadar::GroundRadar(SGPropertyNode *node)
{
- _airport_node = fgGetNode(airport_node_name, true);
- _radar_node = fgGetNode(radar_node_name, true);
- createTexture();
+ _airport_node = fgGetNode(node->getStringValue(airport_source_node_name, default_airport_node_name), true);
+ _range_node = fgGetNode(node->getStringValue(range_source_node_name, default_range_node_name), true);
+ createTexture(node->getStringValue(texture_node_name, default_texture_name));
updateTexture();
_airport_node->addChangeListener(this);
- _radar_node->addChangeListener(this);
+ _range_node->addChangeListener(this);
}
GroundRadar::~GroundRadar()
{
_airport_node->removeChangeListener(this);
- _radar_node->removeChangeListener(this);
+ _range_node->removeChangeListener(this);
}
void GroundRadar::valueChanged(SGPropertyNode*)
{
- updateTexture();
+ updateTexture();
}
inline static osg::Vec3 fromPolar(double fi, double r)
return osg::Vec3(sin(fi * SGD_DEGREES_TO_RADIANS) * r, cos(fi * SGD_DEGREES_TO_RADIANS) * r, 0);
}
-void GroundRadar::createTexture()
-{
+void GroundRadar::createTexture(const char* texture_name)
+{
setSize(512);
allocRT();
-
+
osg::Vec4Array* colors = new osg::Vec4Array;
- colors->push_back(osg::Vec4(0.0f,0.5f,0.0f,1.0f));
- colors->push_back(osg::Vec4(0.0f,0.5f,0.5f,1.0f));
-
+ colors->push_back(osg::Vec4(0.0f, 0.5f, 0.0f, 1.0f));
+ colors->push_back(osg::Vec4(0.0f, 0.5f, 0.5f, 1.0f));
+
_geom = new osg::Geometry();
_geom->setColorArray(colors);
_geom->setColorBinding(osg::Geometry::BIND_PER_PRIMITIVE_SET);
_geom->addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::QUADS, 0, 0));
_geom->addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::QUADS, 0, 0));
- osg::Geode* geode = new osg::Geode();
+ osg::Geode* geode = new osg::Geode();
osg::StateSet* stateset = geode->getOrCreateStateSet();
stateset->setMode(GL_BLEND, osg::StateAttribute::OFF);
geode->addDrawable(_geom.get());
- osg::Camera* camera = getCamera();
+ osg::Camera* camera = getCamera();
camera->setPostDrawCallback(new SingleFrameCallback());
camera->addChild(geode);
camera->setNodeMask(0);
FGTextureManager::addTexture(texture_name, getTexture());
}
+void GroundRadar::addRunwayVertices(const FGRunway* aRunway, double aTowerLat, double aTowerLon, double aScale, osg::Vec3Array* aVertices)
+{
+ double az1, az2, dist_m;
+ geo_inverse_wgs_84(aTowerLat, aTowerLon, aRunway->latitude(), aRunway->longitude(), &az1, &az2, &dist_m);
+
+ osg::Vec3 center = fromPolar(az1, dist_m * aScale) + osg::Vec3(256, 256, 0);
+ osg::Vec3 leftcenter = fromPolar(aRunway->headingDeg(), aRunway->lengthM() * aScale / 2) + center;
+ osg::Vec3 lefttop = fromPolar(aRunway->headingDeg() - 90, aRunway->widthM() * aScale / 2) + leftcenter;
+ osg::Vec3 leftbottom = leftcenter * 2 - lefttop;
+ osg::Vec3 rightbottom = center * 2 - lefttop;
+ osg::Vec3 righttop = center * 2 - leftbottom;
+
+ aVertices->push_back(lefttop);
+ aVertices->push_back(leftbottom);
+ aVertices->push_back(rightbottom);
+ aVertices->push_back(righttop);
+}
+
void GroundRadar::updateTexture()
{
osg::ref_ptr<osg::Vec3Array> rwy_vertices = new osg::Vec3Array;
osg::ref_ptr<osg::Vec3Array> taxi_vertices = new osg::Vec3Array;
const string airport_name = _airport_node->getStringValue();
- FGRunwayList* runways = globals->get_runways();
const FGAirport* airport = fgFindAirportID(airport_name);
+ if (airport == 0)
+ return;
+
const SGGeod& tower_location = airport->getTowerLocation();
const double tower_lat = tower_location.getLatitudeDeg();
const double tower_lon = tower_location.getLongitudeDeg();
- double scale = SG_METER_TO_NM * 200 / _radar_node->getDoubleValue();
+ double scale = SG_METER_TO_NM * 200 / _range_node->getDoubleValue();
+
+ const FGAirport* apt = fgFindAirportID(airport_name);
+ assert(apt);
- for(FGRunway runway = runways->search(airport_name); runway._id == airport_name; runway = runways->next())
+ for (unsigned int i=0; i<apt->numRunways(); ++i)
+ {
+ FGRunway* runway(apt->getRunwayByIndex(i));
+ if (runway->isReciprocal()) continue;
+
+ addRunwayVertices(runway, tower_lat, tower_lon, scale, rwy_vertices.get());
+ }
+
+ for (unsigned int i=0; i<apt->numTaxiways(); ++i)
{
- double az1, az2, dist_m;
- geo_inverse_wgs_84(tower_lat, tower_lon, runway._lat, runway._lon, &az1, &az2, &dist_m);
-
- osg::Vec3 center = fromPolar(az1, dist_m * scale) + osg::Vec3(256, 256, 0);
- osg::Vec3 leftcenter = fromPolar(runway._heading, runway._length * SG_FEET_TO_METER * scale / 2) + center;
- osg::Vec3 lefttop = fromPolar(runway._heading - 90, runway._width * SG_FEET_TO_METER * scale / 2) + leftcenter;
- osg::Vec3 leftbottom = leftcenter * 2 - lefttop;
- osg::Vec3 rightbottom = center * 2 - lefttop;
- osg::Vec3 righttop = center * 2 - leftbottom;
-
- osg::Vec3Array* vertices = runway._rwy_no[0] == 'x' ? taxi_vertices.get() : rwy_vertices.get();
- vertices->push_back(lefttop);
- vertices->push_back(leftbottom);
- vertices->push_back(rightbottom);
- vertices->push_back(righttop);
+ FGRunway* runway(apt->getTaxiwayByIndex(i));
+ addRunwayVertices(runway, tower_lat, tower_lon, scale, taxi_vertices.get());
}
-
+
osg::Vec3Array* vertices = new osg::Vec3Array(*taxi_vertices.get());
vertices->insert(vertices->end(), rwy_vertices->begin(), rwy_vertices->end());
_geom->setVertexArray(vertices);
taxi->setCount(taxi_vertices->size());
rwy->setFirst(taxi_vertices->size());
rwy->setCount(rwy_vertices->size());
-
+
getCamera()->setNodeMask(0xffffffff);
}
projects / flightgear.git / blobdiff