#include <osg/Matrixf>
#include <osg/PrimitiveSet>
#include <osg/StateSet>
+#include <osg/Version>
+#include <osgDB/ReaderWriter>
#include <osgDB/WriteFile>
#include <simgear/constants.h>
#include <simgear/misc/sg_path.hxx>
-#include <simgear/environment/visual_enviro.hxx>
#include <simgear/scene/model/model.hxx>
#include <simgear/structure/exception.hxx>
#include <simgear/misc/sg_path.hxx>
#include <simgear/math/sg_geodesy.hxx>
+#include <sstream>
+#include <iomanip>
+
+using std::stringstream;
+using std::endl;
+using std::setprecision;
+using std::fixed;
+using std::setw;
+using std::setfill;
+using std::string;
+
#include <Main/fg_props.hxx>
#include <Main/globals.hxx>
#include <Cockpit/panel.hxx>
-#include <Cockpit/hud.hxx>
-#include <AIModel/AIBase.hxx>
-#include <AIModel/AIManager.hxx>
-#include <AIModel/AIBallistic.hxx>
#include "instrument_mgr.hxx"
#include "od_gauge.hxx"
#include "wxradar.hxx"
+#include <iostream> // for cout, endl
-// texture name to use in 2D and 3D instruments
-static const char *odgauge_name = "Aircraft/Instruments/Textures/od_wxradar.rgb";
+using std::cout;
+using std::endl;
-wxRadarBg::wxRadarBg ( SGPropertyNode *node) :
+static const float UNIT = 1.0f / 8.0f; // 8 symbols in a row/column in the texture
+static const char *DEFAULT_FONT = "typewriter.txf";
+
+wxRadarBg::wxRadarBg(SGPropertyNode *node) :
_name(node->getStringValue("name", "radar")),
_num(node->getIntValue("number", 0)),
+ _time(0.0),
_interval(node->getDoubleValue("update-interval-sec", 1.0)),
- _time( 0.0 ),
- _last_switchKnob( "off" ),
- _sim_init_done ( false ),
- resultTexture( 0 ),
- wxEcho( 0 ),
- _odg( 0 )
+ _elapsed_time(0),
+ _persistance(0),
+ _odg(0),
+ _range_nm(0),
+ _scale(0),
+ _angle_offset(0),
+ _view_heading(0),
+ _x_offset(0),
+ _y_offset(0),
+ _radar_ref_rng(0),
+ _lat(0),
+ _lon(0),
+ _antenna_ht(node->getDoubleValue("antenna-ht-ft", 0.0)),
+ _resultTexture(0),
+ _wxEcho(0),
+ _font_size(0),
+ _font_spacing(0)
{
- const char *tacan_source = node->getStringValue("tacan-source",
- "/instrumentation/tacan");
+ string branch;
+ branch = "/instrumentation/" + _name;
+ _Instrument = fgGetNode(branch.c_str(), _num, true);
+
+ const char *tacan_source = node->getStringValue("tacan-source", "/instrumentation/tacan");
_Tacan = fgGetNode(tacan_source, true);
+
+ _font_node = _Instrument->getNode("font", true);
+
+#define INITFONT(p, val, type) if (!_font_node->hasValue(p)) _font_node->set##type##Value(p, val)
+ INITFONT("name", DEFAULT_FONT, String);
+ INITFONT("size", 8, Float);
+ INITFONT("line-spacing", 0.25, Float);
+ INITFONT("color/red", 0, Float);
+ INITFONT("color/green", 0.8, Float);
+ INITFONT("color/blue", 0, Float);
+ INITFONT("color/alpha", 1, Float);
+#undef INITFONT
+
+ _font_node->addChangeListener(this, true);
}
+
wxRadarBg::~wxRadarBg ()
{
+ _font_node->removeChangeListener(this);
+ delete _odg;
}
+
void
wxRadarBg::init ()
{
- string branch;
- branch = "/instrumentation/" + _name;
-
- _Instrument = fgGetNode(branch.c_str(), _num, true );
_serviceable_node = _Instrument->getNode("serviceable", true);
+ _sceneryLoaded = fgGetNode("/sim/sceneryloaded", true);
+
+ // texture name to use in 2D and 3D instruments
+ _texture_path = _Instrument->getStringValue("radar-texture-path",
+ "Aircraft/Instruments/Textures/od_wxradar.rgb");
+ _resultTexture = FGTextureManager::createTexture(_texture_path.c_str(), false);
+
+ string path = _Instrument->getStringValue("echo-texture-path",
+ "Aircraft/Instruments/Textures/wxecho.rgb");
+ SGPath tpath = globals->resolve_aircraft_path(path);
- SGPath tpath(globals->get_fg_root());
- tpath.append("Aircraft/Instruments/Textures/wxecho.rgb");
// no mipmap or else alpha will mix with pixels on the border of shapes, ruining the effect
- wxEcho = SGLoadTexture2D(tpath.c_str(), false, false);
+ _wxEcho = SGLoadTexture2D(tpath, NULL, false, false);
+
_Instrument->setFloatValue("trk", 0.0);
_Instrument->setFloatValue("tilt", 0.0);
- _Instrument->setStringValue("status","");
+ _Instrument->setStringValue("status", "");
// those properties are used by a radar instrument of a MFD
// input switch = OFF | TST | STBY | ON
// input mode = WX | WXA | MAP
// input range = n nm (20/40/80)
// input display-mode = arc | rose | map | plan
- FGInstrumentMgr *imgr = (FGInstrumentMgr *) globals->get_subsystem("instrumentation");
- _odg = (FGODGauge *) imgr->get_subsystem("od_gauge");
- _odg->setSize(256);
+ _odg = new FGODGauge;
+ _odg->setSize(512);
- _ai = (FGAIManager*)globals->get_subsystem("ai_model");
+ _ai_enabled_node = fgGetNode("/sim/ai/enabled", true);
_user_lat_node = fgGetNode("/position/latitude-deg", true);
_user_lon_node = fgGetNode("/position/longitude-deg", true);
_tacan_in_range_node = _Tacan->getNode("in-range", true);
_radar_mode_control_node = _Instrument->getNode("mode-control", true);
- _radar_coverage_node = _Instrument->getNode("limit-deg", true);
- _radar_ref_rng_node = _Instrument->getNode("reference-range-nm", true);
- _radar_coverage_node->setFloatValue(120);
- _radar_ref_rng_node->setDoubleValue(35);
+ _radar_coverage_node = _Instrument->getNode("limit-deg", true);
+ _radar_ref_rng_node = _Instrument->getNode("reference-range-nm", true);
+ _radar_hdg_marker_node = _Instrument->getNode("heading-marker", true);
SGPropertyNode *n = _Instrument->getNode("display-controls", true);
_radar_weather_node = n->getNode("WX", true);
_radar_position_node = n->getNode("pos", true);
_radar_data_node = n->getNode("data", true);
+ _radar_symbol_node = n->getNode("symbol", true);
_radar_centre_node = n->getNode("centre", true);
+ _radar_rotate_node = n->getNode("rotate", true);
+ _radar_tcas_node = n->getNode("tcas", true);
+ _radar_absalt_node = n->getNode("abs-altitude", true);
_radar_centre_node->setBoolValue(false);
+ if (!_radar_coverage_node->hasValue())
+ _radar_coverage_node->setFloatValue(120);
+ if (!_radar_ref_rng_node->hasValue())
+ _radar_ref_rng_node->setDoubleValue(35);
+ if (!_radar_hdg_marker_node->hasValue())
+ _radar_hdg_marker_node->setBoolValue(true);
- _ai_enabled_node = fgGetNode("/sim/ai/enabled", true);
-
- _x_displacement = 0;
- _y_displacement = 0;
- _x_sym_displacement = 0;
- _y_sym_displacement = 0;
+ _x_offset = 0;
+ _y_offset = 0;
// OSG geometry setup. The polygons for the radar returns will be
// stored in a single Geometry. The geometry will have several
// primitive sets so we can have different kinds of polys and
// choose a different overall color for each set.
- radarGeode = new osg::Geode;
- osg::StateSet* stateSet = radarGeode->getOrCreateStateSet();
- stateSet->setTextureAttributeAndModes(0, wxEcho.get());
- osg::Geometry* geom = new osg::Geometry;
- geom->setUseDisplayList(false);
+ _radarGeode = new osg::Geode;
+ osg::StateSet *stateSet = _radarGeode->getOrCreateStateSet();
+ stateSet->setTextureAttributeAndModes(0, _wxEcho.get());
+ _geom = new osg::Geometry;
+ _geom->setUseDisplayList(false);
// Initially allocate space for 128 quads
- osg::Vec2Array* vertices = new osg::Vec2Array;
- vertices->setDataVariance(osg::Object::DYNAMIC);
- vertices->reserve(128 * 4);
- geom->setVertexArray(vertices);
- osg::Vec2Array* texCoords = new osg::Vec2Array;
- texCoords->setDataVariance(osg::Object::DYNAMIC);
- texCoords->reserve(128 * 4);
- geom->setTexCoordArray(0, texCoords);
- osg::Vec3Array* colors = new osg::Vec3Array;
+ _vertices = new osg::Vec2Array;
+ _vertices->setDataVariance(osg::Object::DYNAMIC);
+ _vertices->reserve(128 * 4);
+ _geom->setVertexArray(_vertices);
+ _texCoords = new osg::Vec2Array;
+ _texCoords->setDataVariance(osg::Object::DYNAMIC);
+ _texCoords->reserve(128 * 4);
+ _geom->setTexCoordArray(0, _texCoords);
+ osg::Vec3Array *colors = new osg::Vec3Array;
colors->push_back(osg::Vec3(1.0f, 1.0f, 1.0f)); // color of echos
colors->push_back(osg::Vec3(1.0f, 0.0f, 0.0f)); // arc mask
colors->push_back(osg::Vec3(0.0f, 0.0f, 0.0f)); // rest of mask
- geom->setColorBinding(osg::Geometry::BIND_PER_PRIMITIVE_SET);
- geom->setColorArray(colors);
- osg::PrimitiveSet* pset = new osg::DrawArrays(osg::PrimitiveSet::QUADS);
+ _geom->setColorBinding(osg::Geometry::BIND_PER_PRIMITIVE_SET);
+ _geom->setColorArray(colors);
+ osg::PrimitiveSet *pset = new osg::DrawArrays(osg::PrimitiveSet::QUADS);
pset->setDataVariance(osg::Object::DYNAMIC);
- geom->addPrimitiveSet(pset);
+ _geom->addPrimitiveSet(pset);
pset = new osg::DrawArrays(osg::PrimitiveSet::QUADS);
pset->setDataVariance(osg::Object::DYNAMIC);
- geom->addPrimitiveSet(pset);
+ _geom->addPrimitiveSet(pset);
pset = new osg::DrawArrays(osg::PrimitiveSet::TRIANGLES);
pset->setDataVariance(osg::Object::DYNAMIC);
- geom->addPrimitiveSet(pset);
- geom->setInitialBound(osg::BoundingBox(osg::Vec3f(-256.0f, -256.0f, 0.0f),
- osg::Vec3f(256.0f, 256.0f, 0.0f)));
- radarGeode->addDrawable(geom);
+ _geom->addPrimitiveSet(pset);
+ _geom->setInitialBound(osg::BoundingBox(osg::Vec3f(-256.0f, -256.0f, 0.0f),
+ osg::Vec3f(256.0f, 256.0f, 0.0f)));
+ _radarGeode->addDrawable(_geom);
_odg->allocRT();
// Texture in the 2D panel system
- FGTextureManager::addTexture(odgauge_name, _odg->getTexture());
+ FGTextureManager::addTexture(_texture_path.c_str(), _odg->getTexture());
+
+ _textGeode = new osg::Geode;
+
+ osg::Camera *camera = _odg->getCamera();
+ camera->addChild(_radarGeode.get());
+ camera->addChild(_textGeode.get());
- osg::Camera* camera = _odg->getCamera();
- camera->addChild(radarGeode.get());
+ updateFont();
}
+
// Local coordinates for each echo
const osg::Vec3f echoCoords[4] = {
osg::Vec3f(-.7f, -.7f, 0.0f), osg::Vec3f(.7f, -.7f, 0.0f),
osg::Vec3f(.7f, .7f, 0.0f), osg::Vec3f(-.7f, .7f, 0.0f)
};
-const float symbolSize = 1.0f / 8.0f;
+
const osg::Vec2f echoTexCoords[4] = {
- osg::Vec2f(0.0f, 0.0f), osg::Vec2f(symbolSize, 0.0f),
- osg::Vec2f(symbolSize, symbolSize), osg::Vec2f(0.0f, symbolSize)
+ osg::Vec2f(0.0f, 0.0f), osg::Vec2f(UNIT, 0.0f),
+ osg::Vec2f(UNIT, UNIT), osg::Vec2f(0.0f, UNIT)
};
+
// helper
static void
-addQuad(osg::Vec2Array* vertices, osg::Vec2Array* texCoords,
+addQuad(osg::Vec2Array *vertices, osg::Vec2Array *texCoords,
const osg::Matrixf& transform, const osg::Vec2f& texBase)
{
for (int i = 0; i < 4; i++) {
}
}
+
// Rotate by a heading value
static inline
osg::Matrixf wxRotate(float angle)
return osg::Matrixf::rotate(angle, 0.0f, 0.0f, -1.0f);
}
+
void
wxRadarBg::update (double delta_time_sec)
{
- if ( ! _sim_init_done ) {
- if ( ! fgGetBool("sim/sceneryloaded", false) )
- return;
-
- _sim_init_done = true;
- }
+ if (!_sceneryLoaded->getBoolValue())
+ return;
- if ( !_odg || ! _serviceable_node->getBoolValue() ) {
- _Instrument->setStringValue("status","");
+ if (!_odg || !_serviceable_node->getBoolValue()) {
+ _Instrument->setStringValue("status", "");
return;
}
+
_time += delta_time_sec;
if (_time < _interval)
return;
_time = 0.0;
- string switchKnob = _Instrument->getStringValue("switch", "on");
- string modeButton = _Instrument->getStringValue("mode", "wx");
- bool drawLightning = _Instrument->getBoolValue("lightning", true);
- float range_nm = _Instrument->getFloatValue("range", 40.0);
- float range_m = range_nm * SG_NM_TO_METER;
-
- _user_speed_east_fps = _user_speed_east_fps_node->getDoubleValue();
- _user_speed_north_fps = _user_speed_north_fps_node->getDoubleValue();
-
- if ( _last_switchKnob != switchKnob ) {
- // since 3D models don't share textures with the rest of the world
- // we must locate them and replace their handle by hand
- // only do that when the instrument is turned on
- //if (last_switchKnob == "off")
- //_odg->set_texture(odgauge_name, resultTexture.get());
- _last_switchKnob = switchKnob;
+ string mode = _Instrument->getStringValue("display-mode", "arc");
+ if (mode == "map") {
+ if (_display_mode != MAP) {
+ _display_mode = MAP;
+ center_map();
+ }
+ } else if (mode == "plan") {
+ _display_mode = PLAN;}
+ else if (mode == "bscan") {
+ _display_mode = BSCAN;
+ } else {
+ _display_mode = ARC;
}
- _radarEchoBuffer = *sgEnviro.get_radar_echo();
- updateRadar();
+ string switchKnob = _Instrument->getStringValue("switch", "on");
+ if (switchKnob == "off") {
+ _Instrument->setStringValue("status", "");
+ } else if (switchKnob == "stby") {
+ _Instrument->setStringValue("status", "STBY");
+ } else if (switchKnob == "tst") {
+ _Instrument->setStringValue("status", "TST");
+ // find something interesting to do...
+ } else {
+ float r = _Instrument->getFloatValue("range", 40.0);
+ if (r != _range_nm) {
+ center_map();
+ _range_nm = r;
+ }
- if ( switchKnob == "off" ) {
- _Instrument->setStringValue("status","");
- return;
- } else if ( switchKnob == "stby" ) {
- _Instrument->setStringValue("status","STBY");
- return;
- } else if ( switchKnob == "tst" ) {
- _Instrument->setStringValue("status","TST");
- return;
- }
+ _radar_ref_rng = _radar_ref_rng_node->getDoubleValue();
+ _view_heading = fgGetDouble("/orientation/heading-deg") * SG_DEGREES_TO_RADIANS;
+ _centerTrans.makeTranslate(0.0f, 0.0f, 0.0f);
- // find something interesting to do...
- string display_mode = _Instrument->getStringValue("display-mode", "arc");
- // pretend we have a scan angle bigger then the FOV
- // TODO:check real fov, enlarge if < nn, and do clipping if > mm
- const float fovFactor = 1.45f;
- float view_heading = get_heading() * SG_DEGREES_TO_RADIANS;
- float range = 200.0f / range_nm;
- _Instrument->setStringValue("status", modeButton.c_str());
- osg::Matrixf centerTrans;
+ _scale = 200.0 / _range_nm;
+ _angle_offset = 0;
+
+ if (_display_mode == ARC) {
+ _scale = 2*200.0f / _range_nm;
+ _angle_offset = -_view_heading;
+ _centerTrans.makeTranslate(0.0f, -200.0f, 0.0f);
+
+ } else if (_display_mode == MAP) {
+ apply_map_offset();
- if ( display_mode == "arc" ) {
- centerTrans.makeTranslate(0.0f, -180.0f, 0.0f);
- range = 2*180.0f / range_nm;
+ bool centre = _radar_centre_node->getBoolValue();
+ if (centre) {
+ center_map();
+ _radar_centre_node->setBoolValue(false);
+ }
+
+ //SG_LOG(SG_INSTR, SG_DEBUG, "Radar: displacement "
+ // << _x_offset <<", "<<_y_offset
+ // << " user_speed_east_fps * SG_FPS_TO_KT "
+ // << user_speed_east_fps * SG_FPS_TO_KT
+ // << " user_speed_north_fps * SG_FPS_TO_KT "
+ // << user_speed_north_fps * SG_FPS_TO_KT
+ // << " dt " << delta_time_sec);
- } else if ( display_mode == "map" ) {
- view_heading = 0;
+ _centerTrans.makeTranslate(_x_offset, _y_offset, 0.0f);
- if (_radar_centre_node->getBoolValue()) {
- _x_displacement =_y_displacement = 0;
+ } else if (_display_mode == PLAN) {
+ if (_radar_rotate_node->getBoolValue()) {
+ _angle_offset = -_view_heading;
+ }
+ } else if (_display_mode == BSCAN) {
+ _angle_offset = -_view_heading;
} else {
- _x_displacement += range * _user_speed_east_fps * SG_FPS_TO_KT
- * delta_time_sec / (60*60);
- _y_displacement += range * _user_speed_north_fps * SG_FPS_TO_KT
- * delta_time_sec / (60*60);
+ // rose
}
- SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: displacement "
- << _x_displacement << ", "<<_y_displacement
- << " _user_speed_east_fps * SG_FPS_TO_KT "
- << _user_speed_east_fps * SG_FPS_TO_KT
- << " _user_speed_north_fps * SG_FPS_TO_KT "
- << _user_speed_north_fps * SG_FPS_TO_KT
- << " dt " << delta_time_sec
- << " centre " << _radar_centre_node->getBoolValue());
+ _vertices->clear();
+ _texCoords->clear();
+ _textGeode->removeDrawables(0, _textGeode->getNumDrawables());
- centerTrans.makeTranslate(_x_displacement, _y_displacement, 0.0f);
+#if 0
+ //TODO FIXME Mask below (only used for ARC mode) isn't properly aligned, i.e.
+ // it assumes the a/c position at the center of the display - though it's somewhere at
+ // bottom part for ARC mode.
+ // The mask hadn't worked at all for a while (probably since the OSG port) due to
+ // another bug (which is fixed now). Now, the mask is disabled completely until s.o.
+ // adapted the coordinates below. And the mask is only really useful to limit displayed
+ // weather blobs (not support yet).
+ // Aircraft echos are already limited properly through wxradar's "limit-deg" property.
+ {
+ osg::DrawArrays *maskPSet
+ = static_cast<osg::DrawArrays*>(_geom->getPrimitiveSet(1));
+ osg::DrawArrays *trimaskPSet
+ = static_cast<osg::DrawArrays*>(_geom->getPrimitiveSet(2));
+
+ if (_display_mode == ARC) {
+ // erase what is out of sight of antenna
+ /*
+ |\ /|
+ | \ / |
+ | \ / |
+ ---------
+ | |
+ | |
+ ---------
+ */
+ float xOffset = 256.0f;
+ float yOffset = 200.0f;
+
+ int firstQuadVert = _vertices->size();
+ _texCoords->push_back(osg::Vec2f(0.5f, 0.25f));
+ _vertices->push_back(osg::Vec2f(-xOffset, 0.0 + yOffset));
+ _texCoords->push_back(osg::Vec2f(1.0f, 0.25f));
+ _vertices->push_back(osg::Vec2f(xOffset, 0.0 + yOffset));
+ _texCoords->push_back(osg::Vec2f(1.0f, 0.5f));
+ _vertices->push_back(osg::Vec2f(xOffset, 256.0 + yOffset));
+ _texCoords->push_back(osg::Vec2f(0.5f, 0.5f));
+ _vertices->push_back(osg::Vec2f(-xOffset, 256.0 + yOffset));
+ maskPSet->set(osg::PrimitiveSet::QUADS, firstQuadVert, 4);
+ firstQuadVert += 4;
+
+ // The triangles aren't supposed to be textured, but there's
+ // no need to set up a different Geometry, switch modes,
+ // etc. I happen to know that there's a white pixel in the
+ // texture at 1.0, 0.0 :)
+ float centerY = tan(30 * SG_DEGREES_TO_RADIANS);
+ _vertices->push_back(osg::Vec2f(0.0, 0.0));
+ _vertices->push_back(osg::Vec2f(-256.0, 0.0));
+ _vertices->push_back(osg::Vec2f(-256.0, 256.0 * centerY));
+
+ _vertices->push_back(osg::Vec2f(0.0, 0.0));
+ _vertices->push_back(osg::Vec2f(256.0, 0.0));
+ _vertices->push_back(osg::Vec2f(256.0, 256.0 * centerY));
+
+ _vertices->push_back(osg::Vec2f(-256, 0.0));
+ _vertices->push_back(osg::Vec2f(256.0, 0.0));
+ _vertices->push_back(osg::Vec2f(-256.0, -256.0));
+
+ _vertices->push_back(osg::Vec2f(256, 0.0));
+ _vertices->push_back(osg::Vec2f(256.0, -256.0));
+ _vertices->push_back(osg::Vec2f(-256.0, -256.0));
+
+ const osg::Vec2f whiteSpot(1.0f, 0.0f);
+ for (int i = 0; i < 3 * 4; i++)
+ _texCoords->push_back(whiteSpot);
+
+ trimaskPSet->set(osg::PrimitiveSet::TRIANGLES, firstQuadVert, 3 * 4);
+
+ } else
+ {
+ maskPSet->set(osg::PrimitiveSet::QUADS, 0, 0);
+ trimaskPSet->set(osg::PrimitiveSet::TRIANGLES, 0, 0);
+ }
- } else if ( display_mode == "plan" ) {
- // no sense I presume
- view_heading = 0;
- } else {
- // rose
- view_heading = 0;
+ maskPSet->dirty();
+ trimaskPSet->dirty();
+ }
+#endif
+
+ // remember index of next vertex
+ int vIndex = _vertices->size();
+
+ update_weather();
+
+ osg::DrawArrays *quadPSet
+ = static_cast<osg::DrawArrays*>(_geom->getPrimitiveSet(0));
+
+ update_aircraft();
+ update_tacan();
+ update_heading_marker();
+
+ // draw all new vertices are quads
+ quadPSet->set(osg::PrimitiveSet::QUADS, vIndex, _vertices->size()-vIndex);
+ quadPSet->dirty();
}
+}
- range /= SG_NM_TO_METER;
+void
+wxRadarBg::update_weather()
+{
+ string modeButton = _Instrument->getStringValue("mode", "WX");
+// FIXME: implementation of radar echoes missing
+// _radarEchoBuffer = *sgEnviro.get_radar_echo();
+
+ // pretend we have a scan angle bigger then the FOV
+ // TODO:check real fov, enlarge if < nn, and do clipping if > mm
+// const float fovFactor = 1.45f;
+ _Instrument->setStringValue("status", modeButton.c_str());
+
+// FIXME: implementation of radar echoes missing
+#if 0
list_of_SGWxRadarEcho *radarEcho = &_radarEchoBuffer;
- list_of_SGWxRadarEcho::iterator iradarEcho;
+ list_of_SGWxRadarEcho::iterator iradarEcho, end = radarEcho->end();
const float LWClevel[] = { 0.1f, 0.5f, 2.1f };
- float dist = 0;
- float size = 0;
-
- osg::Geometry* geom
- = static_cast<osg::Geometry*>(radarGeode->getDrawable(0));
- osg::Vec2Array* vertices
- = static_cast<osg::Vec2Array*>(geom->getVertexArray());
- osg::Vec2Array* texCoords
- = static_cast<osg::Vec2Array*>(geom->getTexCoordArray(0));
- vertices->clear();
- texCoords->clear();
// draw the cloud radar echo
bool drawClouds = _radar_weather_node->getBoolValue();
-
if (drawClouds) {
- //we do that in 3 passes, one for each color level
+
+ // we do that in 3 passes, one for each color level
// this is to 'merge' same colors together
for (int level = 0; level <= 2; level++) {
- float col = level * symbolSize;
+ float col = level * UNIT;
- for (iradarEcho = radarEcho->begin(); iradarEcho != radarEcho->end();
- ++iradarEcho) {
- int cloudId = (iradarEcho->cloudId);
- bool upgrade = ((cloudId >> 5) & 1);
+ for (iradarEcho = radarEcho->begin(); iradarEcho != end; ++iradarEcho) {
+ int cloudId = iradarEcho->cloudId;
+ bool upgrade = (cloudId >> 5) & 1;
float lwc = iradarEcho->LWC + (upgrade ? 1.0f : 0.0f);
// skip ns
if (iradarEcho->LWC >= 0.5 && iradarEcho->LWC <= 0.6)
continue;
- if (iradarEcho->lightning || lwc < LWClevel[level]
- || iradarEcho->aircraft)
- continue;
-
- dist = sgSqrt(iradarEcho->dist);
- size = iradarEcho->radius * 2.0;
-
- if ( dist - size > range_m )
- continue;
-
- dist *= range;
- size *= range;
- // Translate echo to proper distance on screen
- osg::Matrixf distTrans
- = osg::Matrixf::translate(0.0f, dist * range, 0.0f);
- // Scale echo
- osg::Matrixf scaleEcho = osg::Matrixf::scale(size, size, 1.0f);
- // compute the relative angle from the view direction
- float angle = calcRelBearing(iradarEcho->bearing, view_heading);
-
- // we will rotate the echo quads, this gives a better rendering
- //const float rot_x = cos (view_heading);
- //const float rot_y = sin (view_heading);
-
- // and apply a fov factor to simulate a greater scan
- // angle
- angle *= fovFactor;
- // Rotate echo into position, and rotate echo to have
- // a constant orientation towards the
- // airplane. Compass headings increase in clockwise
- // direction, while graphics rotations follow
- // right-hand (counter-clockwise) rule.
- osg::Matrixf rotEcho = wxRotate(angle);
- // use different shapes so the display is less boring
- //float row = symbolSize * (float) (4 + (cloudId & 3) );
- const osg::Vec2f texBase(col, (symbolSize
- * (float) (4 + (cloudId & 3))));
- osg::Matrixf m(scaleEcho * distTrans * rotEcho * centerTrans);
- addQuad(vertices, texCoords, m, texBase);
- SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: drawing clouds"
- << " ID " << iradarEcho->cloudId
- << " dist" << dist
- << " view_heading" << view_heading / SG_DEGREES_TO_RADIANS
- << " heading " << iradarEcho->heading / SG_DEGREES_TO_RADIANS
- << " angle " << angle / SG_DEGREES_TO_RADIANS);
- }
- }
- }
+ if (iradarEcho->lightning || lwc < LWClevel[level])
+ continue;
- // draw lightning echos
- if ( drawLightning ) {
- const osg::Vec2f texBase(3 * symbolSize, 4 * symbolSize);
- for (iradarEcho = radarEcho->begin();
- iradarEcho != radarEcho->end();
- ++iradarEcho) {
+ float radius = sqrt(iradarEcho->dist) * SG_METER_TO_NM * _scale;
+ float size = iradarEcho->radius * 2.0 * SG_METER_TO_NM * _scale;
- if (!iradarEcho->lightning)
+ if (radius - size > 180)
continue;
- float dist = iradarEcho->dist * range;
- float angle = calcRelBearing(iradarEcho->bearing, view_heading);
-
- if ( angle > SG_PI )
- angle -= 2.0*SG_PI;
- if ( angle < - SG_PI )
- angle += 2.0*SG_PI;
-
- angle *= fovFactor;
- // Rotate the symbol into position without rotating the
- // symbol itself
- osg::Vec3f trans(0.0f, dist, 0.0f);
- trans = wxRotate(angle).preMult(trans);
- osg::Matrixf m(osg::Matrixf::scale(symbolSize, symbolSize, 1.0)
- * osg::Matrixf::translate(trans) * centerTrans);
- addQuad(vertices, texCoords, m, texBase);
+ float angle = (iradarEcho->heading - _angle_offset) //* fovFactor
+ + 0.5 * SG_PI;
+
+ // Rotate echo into position, and rotate echo to have
+ // a constant orientation towards the
+ // airplane. Compass headings increase in clockwise
+ // direction, while graphics rotations follow
+ // right-hand (counter-clockwise) rule.
+ const osg::Vec2f texBase(col, (UNIT * (float) (4 + (cloudId & 3))));
+
+ osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(angle) * _centerTrans);
+ addQuad(_vertices, _texCoords, m, texBase);
+
+ //SG_LOG(SG_INSTR, SG_DEBUG, "Radar: drawing clouds"
+ // << " ID=" << cloudId
+ // << " x=" << x
+ // << " y="<< y
+ // << " radius=" << radius
+ // << " view_heading=" << _view_heading * SG_RADIANS_TO_DEGREES
+ // << " heading=" << iradarEcho->heading * SG_RADIANS_TO_DEGREES
+ // << " angle=" << angle * SG_RADIANS_TO_DEGREES);
}
}
+ }
- //draw aircraft echoes
- if (_radar_position_node->getBoolValue()) {
- const osg::Vec2f texBase(3 * symbolSize, 3 * symbolSize);
- for (iradarEcho = radarEcho->begin();
- iradarEcho != radarEcho->end();
- ++iradarEcho) {
+ // draw lightning echos
+ bool drawLightning = _Instrument->getBoolValue("lightning", true);
+ if (drawLightning) {
+ const osg::Vec2f texBase(3 * UNIT, 4 * UNIT);
- if (!iradarEcho->aircraft)
- continue;
+ for (iradarEcho = radarEcho->begin(); iradarEcho != end; ++iradarEcho) {
+ if (!iradarEcho->lightning)
+ continue;
- dist = iradarEcho->dist * range;
+ float size = UNIT * 0.5f;
+ float radius = iradarEcho->dist * _scale;
+ float angle = iradarEcho->heading * SG_DEGREES_TO_RADIANS
+ - _angle_offset;
- // calculate relative bearing
- float angle = calcRelBearing(iradarEcho->bearing, view_heading);
- float limit = _radar_coverage_node->getFloatValue();
+ osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
+ * wxRotate(-angle)
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(angle) * _centerTrans);
+ addQuad(_vertices, _texCoords, m, texBase);
+ }
+ }
+#endif
+}
- if (limit > 180)
- limit = 180;
- else if (limit < 0)
- limit = 0;
- // if it's in coverage, draw it
- if (angle >= limit * SG_DEGREES_TO_RADIANS
- || angle < -limit * SG_DEGREES_TO_RADIANS)
- continue;
+void
+wxRadarBg::update_data(const SGPropertyNode *ac, double altitude, double heading,
+ double radius, double bearing, bool selected)
+{
+ osgText::Text *callsign = new osgText::Text;
+ callsign->setFont(_font.get());
+ callsign->setFontResolution(12, 12);
+ callsign->setCharacterSize(_font_size);
+ callsign->setColor(selected ? osg::Vec4(1, 1, 1, 1) : _font_color);
+ osg::Matrixf m(wxRotate(-bearing)
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(bearing) * _centerTrans);
+
+ osg::Vec3 pos = m.preMult(osg::Vec3(16, 16, 0));
+ // cast to int's, otherwise text comes out ugly
+ callsign->setPosition(osg::Vec3((int)pos.x(), (int)pos.y(), 0));
+ callsign->setAlignment(osgText::Text::LEFT_BOTTOM_BASE_LINE);
+ callsign->setLineSpacing(_font_spacing);
+
+ const char *identity = ac->getStringValue("transponder-id");
+ if (!identity[0])
+ identity = ac->getStringValue("callsign");
+
+ stringstream text;
+ text << identity << endl
+ << setprecision(0) << fixed
+ << setw(3) << setfill('0') << heading * SG_RADIANS_TO_DEGREES << "\xB0 "
+ << setw(0) << altitude << "ft" << endl
+ << ac->getDoubleValue("velocities/true-airspeed-kt") << "kts";
+
+ callsign->setText(text.str());
+ _textGeode->addDrawable(callsign);
+}
+
+
+void
+wxRadarBg::update_aircraft()
+{
+ double diff;
+ double age_factor = 1.0;
+ double test_rng;
+ double test_brg;
+ double range;
+ double bearing;
+ float echo_radius;
+ double angle;
+
+ if (!ground_echoes.empty()){
+ ground_echoes_iterator = ground_echoes.begin();
+
+ while(ground_echoes_iterator != ground_echoes.end()) {
+ diff = _elapsed_time - (*ground_echoes_iterator)->elapsed_time;
+
+ if( diff > _persistance) {
+ ground_echoes.erase(ground_echoes_iterator++);
+ } else {
+// double test_brg = (*ground_echoes_iterator)->bearing;
+// double bearing = test_brg * SG_DEGREES_TO_RADIANS;
+// float angle = calcRelBearing(bearing, _view_heading);
+ double bumpinessFactor = (*ground_echoes_iterator)->bumpiness;
+ float heading = fgGetDouble("/orientation/heading-deg");
+ if ( _display_mode == BSCAN ){
+ test_rng = (*ground_echoes_iterator)->elevation * 6;
+ test_brg = (*ground_echoes_iterator)->bearing;
+ angle = calcRelBearingDeg(test_brg, heading) * 6;
+ range = sqrt(test_rng * test_rng + angle * angle);
+ bearing = atan2(angle, test_rng);
+ //cout << "angle " << angle <<" bearing "
+ // << bearing / SG_DEGREES_TO_RADIANS << endl;
+ echo_radius = (0.1 + (1.9 * bumpinessFactor)) * 240 * age_factor;
+ } else {
+ test_rng = (*ground_echoes_iterator)->range;
+ range = test_rng * SG_METER_TO_NM;
+ test_brg = (*ground_echoes_iterator)->bearing;
+ bearing = test_brg * SG_DEGREES_TO_RADIANS;
+ echo_radius = (0.1 + (1.9 * bumpinessFactor)) * 120 * age_factor;
+ bearing += _angle_offset;
+ }
+
+ float radius = range * _scale;
+ //double heading = 90 * SG_DEGREES_TO_RADIANS;
+ //heading += _angle_offset;
+
+ age_factor = 1;
+
+ if (diff != 0)
+ age_factor = 1 - (0.5 * diff/_persistance);
+
+ float size = echo_radius * UNIT;
- size = symbolSize * iradarEcho->radius;
+ const osg::Vec2f texBase(3 * UNIT, 3 * UNIT);
osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
- * osg::Matrixf::translate(0.0f, dist, 0.0f)
- * wxRotate(angle) * centerTrans);
- addQuad(vertices, texCoords, m, texBase);
- SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: drawing AI"
- << " ID " << iradarEcho->cloudId
- << " dist" << dist
- << " view_heading" << view_heading / SG_DEGREES_TO_RADIANS
- << " heading " << iradarEcho->heading / SG_DEGREES_TO_RADIANS
- << " angle " << angle / SG_DEGREES_TO_RADIANS);
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(bearing) * _centerTrans);
+ addQuad(_vertices, _texCoords, m, texBase);
+
+ ++ground_echoes_iterator;
+
+ //cout << "test bearing " << test_brg
+ //<< " test_rng " << test_rng * SG_METER_TO_NM
+ //<< " persistance " << _persistance
+ //<< endl;
+ }
+
}
+
}
+ if (!_ai_enabled_node->getBoolValue())
+ return;
- // Draw aircraft data
- if (_radar_data_node->getBoolValue()) {
- const osg::Vec2f texBase(0, 3 * symbolSize);
+ bool draw_tcas = _radar_tcas_node->getBoolValue();
+ bool draw_absolute = _radar_absalt_node->getBoolValue();
+ bool draw_echoes = _radar_position_node->getBoolValue();
+ bool draw_symbols = _radar_symbol_node->getBoolValue();
+ bool draw_data = _radar_data_node->getBoolValue();
+ if (!draw_echoes && !draw_symbols && !draw_data)
+ return;
- for (iradarEcho = radarEcho->begin();
- iradarEcho != radarEcho->end();
- ++iradarEcho) {
+ double user_lat = _user_lat_node->getDoubleValue();
+ double user_lon = _user_lon_node->getDoubleValue();
+ double user_alt = _user_alt_node->getDoubleValue();
- if (!iradarEcho->aircraft)
- continue;
+ float limit = _radar_coverage_node->getFloatValue();
+ if (limit > 180)
+ limit = 180;
+ else if (limit < 0)
+ limit = 0;
+ limit *= SG_DEGREES_TO_RADIANS;
+
+ int selected_id = fgGetInt("/instrumentation/radar/selected-id", -1);
- dist = iradarEcho->dist;
- dist *= range;
- // calculate relative bearing
- float angle = calcRelBearing(iradarEcho->bearing, view_heading);
- float limit = _radar_coverage_node->getFloatValue();
+ const SGPropertyNode *selected_ac = 0;
+ const SGPropertyNode *ai = fgGetNode("/ai/models", true);
- if (limit > 180)
- limit = 180;
- else if (limit < 0)
- limit = 0;
+ for (int i = ai->nChildren() - 1; i >= -1; i--) {
+ const SGPropertyNode *model;
- // if it's in coverage, draw it
- if (angle >= limit * SG_DEGREES_TO_RADIANS
- || angle < -limit * SG_DEGREES_TO_RADIANS)
+ if (i < 0) { // last iteration: selected model
+ model = selected_ac;
+ } else {
+ model = ai->getChild(i);
+ if (!model->nChildren())
continue;
+ if ((model->getIntValue("id") == selected_id)&&
+ (!draw_tcas)) {
+ selected_ac = model; // save selected model for last iteration
+ continue;
+ }
+ }
+ if (!model)
+ continue;
+
+ double echo_radius, sigma;
+ const string name = model->getName();
+
+ //cout << "name "<<name << endl;
+ if (name == "aircraft" || name == "tanker")
+ echo_radius = 1, sigma = 1;
+ else if (name == "multiplayer" || name == "wingman" || name == "static")
+ echo_radius = 1.5, sigma = 1;
+ else if (name == "ship" || name == "carrier" || name == "escort" ||name == "storm")
+ echo_radius = 1.5, sigma = 100;
+ else if (name == "thermal")
+ echo_radius = 2, sigma = 100;
+ else if (name == "rocket")
+ echo_radius = 0.1, sigma = 0.1;
+ else if (name == "ballistic")
+ echo_radius = 0.001, sigma = 0.001;
+ else
+ continue;
+
+ double lat = model->getDoubleValue("position/latitude-deg");
+ double lon = model->getDoubleValue("position/longitude-deg");
+ double alt = model->getDoubleValue("position/altitude-ft");
+ double heading = model->getDoubleValue("orientation/true-heading-deg");
+
+ double range, bearing;
+ calcRangeBearing(user_lat, user_lon, lat, lon, range, bearing);
+ //cout << _antenna_ht << _interval<< endl;
+ bool isVisible = withinRadarHorizon(user_alt, alt, range);
+
+ if (!isVisible)
+ continue;
+
+ if (!inRadarRange(sigma, range))
+ continue;
+
+ bearing *= SG_DEGREES_TO_RADIANS;
+ heading *= SG_DEGREES_TO_RADIANS;
+
+ float radius = range * _scale;
+ float angle = calcRelBearing(bearing, _view_heading);
+
+ if (angle > limit || angle < -limit)
+ continue;
+
+ bearing += _angle_offset;
+ heading += _angle_offset;
+
+ bool is_tcas_contact = false;
+ if (draw_tcas)
+ {
+ is_tcas_contact = update_tcas(model,range,user_alt,alt,bearing,radius,draw_absolute);
+ }
- size = symbolSize * 750;
- // Rotate symbol to indicate relative heading iradarEcho->bearing
- // - view_heading - angle
- //cout << "heading " << iradarEcho->heading << endl;
+ // pos mode
+ if (draw_echoes && (!is_tcas_contact)) {
+ float size = echo_radius * 120 * UNIT;
+ const osg::Vec2f texBase(3 * UNIT, 3 * UNIT);
osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
- * wxRotate(iradarEcho->heading - view_heading - angle)
- * osg::Matrixf::translate(0.0f, dist, 0.0f)
- * wxRotate(angle) * centerTrans);
- addQuad(vertices, texCoords, m, texBase);
- SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: drawing data"
- << " ID " << iradarEcho->cloudId
- << " view_heading " << view_heading / SG_DEGREES_TO_RADIANS
- << " bearing " << angle / SG_DEGREES_TO_RADIANS
- << " dist" << dist
- << " heading " << iradarEcho->heading / SG_DEGREES_TO_RADIANS
- << " rotation " << (iradarEcho->heading - view_heading - angle)
- / SG_DEGREES_TO_RADIANS);
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(bearing) * _centerTrans);
+ addQuad(_vertices, _texCoords, m, texBase);
}
- }
- //draw TACAN symbol
- int mode = _radar_mode_control_node->getIntValue();
- bool inRange = _tacan_in_range_node->getBoolValue();
+ // data mode
+ if (draw_symbols && (!draw_tcas)) {
+ const osg::Vec2f texBase(0, 3 * UNIT);
+ float size = 600 * UNIT;
+ osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
+ * wxRotate(heading - bearing)
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(bearing) * _centerTrans);
+ addQuad(_vertices, _texCoords, m, texBase);
+ }
- if (mode == 1 && inRange) {
- const osg::Vec2f texBase(1 * symbolSize, 3 * symbolSize);
- dist = _tacan_distance_node->getFloatValue() * SG_NM_TO_METER;
- dist *= range;
- // calculate relative bearing
- float angle = calcRelBearing(_tacan_bearing_node->getFloatValue()
- * SG_DEGREES_TO_RADIANS, view_heading);
-
- // it's always in coverage, so draw it
- osg::Vec3f trans(osg::Vec3f(0.0f, dist, 0.0f) * wxRotate(angle));
- size = symbolSize * 750;
- osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
- * osg::Matrixf::translate(trans) * centerTrans);
- addQuad(vertices, texCoords, m, texBase);
- SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: drawing TACAN"
- << " dist" << dist
- << " view_heading " << view_heading / SG_DEGREES_TO_RADIANS
- << " heading " << _tacan_bearing_node->getDoubleValue()
- << " angle " << angle / SG_DEGREES_TO_RADIANS
- << " size " << size);
+ if ((draw_data || i < 0)&& // selected one (i == -1) is always drawn
+ ((!draw_tcas)||(is_tcas_contact)||(draw_echoes)))
+ update_data(model, alt, heading, radius, bearing, i < 0);
}
+}
- //draw aircraft symbol
- const osg::Vec2f texBase(2 * symbolSize, 3 * symbolSize);
- size = symbolSize * 750;
- view_heading = get_heading() * SG_DEGREES_TO_RADIANS;
- osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
- * wxRotate(view_heading));
-
- if (display_mode == "map") {
- //cout << "Map Mode " << range << endl;
- m *= osg::Matrixf::translate(range, range, 0.0f);
+/** Update TCAS display.
+ * Return true when processed as TCAS contact, false otherwise. */
+bool
+wxRadarBg::update_tcas(const SGPropertyNode *model,double range,double user_alt,double alt,
+ double bearing,double radius,bool absMode)
+{
+ int threatLevel=0;
+ {
+ // update TCAS symbol
+ osg::Vec2f texBase;
+ threatLevel = model->getIntValue("tcas/threat-level",-1);
+ if (threatLevel == -1)
+ {
+ // no TCAS information (i.e. no transponder) => not visible to TCAS
+ return false;
+ }
+ int row = 7 - threatLevel;
+ int col = 4;
+ double vspeed = model->getDoubleValue("velocities/vertical-speed-fps");
+ if (vspeed < -3.0) // descending
+ col+=1;
+ else
+ if (vspeed > 3.0) // climbing
+ col+=2;
+ texBase = osg::Vec2f(col*UNIT,row * UNIT);
+ float size = 200 * UNIT;
+ osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
+ * wxRotate(-bearing)
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(bearing) * _centerTrans);
+ addQuad(_vertices, _texCoords, m, texBase);
}
- m *= centerTrans;
-
- addQuad(vertices, texCoords, m, texBase);
- osg::DrawArrays* quadPSet
- = static_cast<osg::DrawArrays*>(geom->getPrimitiveSet(0));
- quadPSet->set(osg::PrimitiveSet::QUADS, 0, vertices->size());
- quadPSet->dirty();
- // erase what is out of sight of antenna
- /*
- |\ /|
- | \ / |
- | \ / |
- ---------
- | |
- | |
- ---------
- */
- osg::DrawArrays* maskPSet
- = static_cast<osg::DrawArrays*>(geom->getPrimitiveSet(1));
- osg::DrawArrays* trimaskPSet
- = static_cast<osg::DrawArrays*>(geom->getPrimitiveSet(2));
-
- float xOffset = 256.0f, yOffset = 180.0f;
- SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: display mode " << display_mode);
-
-#if 0
- if ( display_mode != "arc" ) {
- xOffset = 240.0f;
- yOffset = 40.0f;
+ {
+ // update TCAS data
+ osgText::Text *altStr = new osgText::Text;
+ altStr->setFont(_font.get());
+ altStr->setFontResolution(12, 12);
+ altStr->setCharacterSize(_font_size);
+ altStr->setColor(_tcas_colors[threatLevel]);
+ osg::Matrixf m(wxRotate(-bearing)
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(bearing) * _centerTrans);
+
+ osg::Vec3 pos = m.preMult(osg::Vec3(16, 16, 0));
+ // cast to int's, otherwise text comes out ugly
+ altStr->setLineSpacing(_font_spacing);
+
+ stringstream text;
+ altStr->setAlignment(osgText::Text::LEFT_CENTER);
+ int altDif = (alt-user_alt+50)/100;
+ char sign = 0;
+ int dy=0;
+ if (altDif>=0)
+ {
+ sign='+';
+ dy=2;
+ }
+ else
+ if (altDif<0)
+ {
+ sign='-';
+ altDif = -altDif;
+ dy=-30;
+ }
+ altStr->setPosition(osg::Vec3((int)pos.x()-30, (int)pos.y()+dy, 0));
+ if (absMode)
+ {
+ // absolute altitude display
+ text << setprecision(0) << fixed
+ << setw(3) << setfill('0') << alt/100 << endl;
+ }
+ else // relative altitude display
+ if (sign)
+ {
+ text << sign
+ << setprecision(0) << fixed
+ << setw(2) << setfill('0') << altDif << endl;
+ }
+
+ altStr->setText(text.str());
+ _textGeode->addDrawable(altStr);
}
-#endif
-
- if (display_mode == "arc" ) {
- int firstQuadVert = vertices->size();
- texCoords->push_back(osg::Vec2f(0.5f, 0.25f));
- vertices->push_back(osg::Vec2f(-xOffset, 0.0 + yOffset));
- texCoords->push_back(osg::Vec2f(1.0f, 0.25f));
- vertices->push_back(osg::Vec2f(xOffset, 0.0 + yOffset));
- texCoords->push_back(osg::Vec2f(1.0f, 0.5f));
- vertices->push_back(osg::Vec2f(xOffset, 256.0 + yOffset));
- texCoords->push_back(osg::Vec2f(0.5f, 0.5f));
- vertices->push_back(osg::Vec2f(-xOffset, 256.0 + yOffset));
- maskPSet->set(osg::PrimitiveSet::QUADS, firstQuadVert, 4);
- // The triangles aren't supposed to be textured, but there's
- // no need to set up a different Geometry, switch modes,
- // etc. I happen to know that there's a white pixel in the
- // texture at 1.0, 0.0 :)
- float centerY = tan(30 * SG_DEGREES_TO_RADIANS);
- const osg::Vec2f whiteSpot(1.0f, 0.0f);
- vertices->push_back(osg::Vec2f(0.0, 0.0));
- vertices->push_back(osg::Vec2f(-256.0, 0.0));
- vertices->push_back(osg::Vec2f(-256.0, 256.0 * centerY));
-
- vertices->push_back(osg::Vec2f(0.0, 0.0));
- vertices->push_back(osg::Vec2f(256.0, 0.0));
- vertices->push_back(osg::Vec2f(256.0, 256.0 * centerY));
-
- vertices->push_back(osg::Vec2f(-256, 0.0));
- vertices->push_back(osg::Vec2f(256.0, 0.0));
- vertices->push_back(osg::Vec2f(-256.0, -256.0));
-
- vertices->push_back(osg::Vec2f(256, 0.0));
- vertices->push_back(osg::Vec2f(256.0, -256.0));
- vertices->push_back(osg::Vec2f(-256.0, -256.0));
-
- for (int i = 0; i < 3 * 4; i++)
- texCoords->push_back(whiteSpot);
-
- trimaskPSet->set(osg::PrimitiveSet::TRIANGLES, firstQuadVert + 4,
- 3 * 4);
- } else {
- maskPSet->set(osg::PrimitiveSet::QUADS, 0, 0);
- trimaskPSet->set(osg::PrimitiveSet::TRIANGLES, 0, 0);
- }
- maskPSet->dirty();
- trimaskPSet->dirty();
+ return true;
}
void
-wxRadarBg::updateRadar()
+wxRadarBg::update_tacan()
{
- bool ai_enabled = _ai_enabled_node->getBoolValue();
+ // draw TACAN symbol
+ int mode = _radar_mode_control_node->getIntValue();
+ bool inRange = _tacan_in_range_node->getBoolValue();
- if (!ai_enabled)
+ if (mode != 1 || !inRange)
return;
- double radius[] = {0, 1, 1.5, 1.5, 0.001, 0.1, 1.5, 2, 1.5, 1.5};
- bool isDetected = false;
+ float size = 600 * UNIT;
+ float radius = _tacan_distance_node->getFloatValue() * _scale;
+ float angle = _tacan_bearing_node->getFloatValue() * SG_DEGREES_TO_RADIANS
+ + _angle_offset;
+
+ const osg::Vec2f texBase(1 * UNIT, 3 * UNIT);
+ osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
+ * wxRotate(-angle)
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(angle) * _centerTrans);
+ addQuad(_vertices, _texCoords, m, texBase);
+
+ //SG_LOG(SG_INSTR, SG_DEBUG, "Radar: drawing TACAN"
+ // << " dist=" << radius
+ // << " view_heading=" << _view_heading * SG_RADIANS_TO_DEGREES
+ // << " bearing=" << angle * SG_RADIANS_TO_DEGREES
+ // << " x=" << x << " y="<< y
+ // << " size=" << size);
+}
- SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: Loading AI submodels ");
- _radar_list = _ai->get_ai_list();
- if (_radar_list.empty()) {
- SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: Unable to read AI submodel list");
+void
+wxRadarBg::update_heading_marker()
+{
+ if (!_radar_hdg_marker_node->getBoolValue())
return;
- }
- SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: AI submodel list size" << _radar_list.size());
+ const osg::Vec2f texBase(2 * UNIT, 3 * UNIT);
+ float size = 600 * UNIT;
+ osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
+ * wxRotate(_view_heading + _angle_offset));
- double user_alt = _user_alt_node->getDoubleValue();
- double user_lat = _user_lat_node->getDoubleValue();
- double user_lon = _user_lon_node->getDoubleValue();
+ m *= _centerTrans;
+ addQuad(_vertices, _texCoords, m, texBase);
- radar_list_iterator radar_list_itr = _radar_list.begin();
- radar_list_iterator end = _radar_list.end();
-
- while (radar_list_itr != end) {
- double range = (*radar_list_itr)->_getRange();
- double bearing = (*radar_list_itr)->_getBearing();
- double lat = (*radar_list_itr)->_getLatitude();
- double lon = (*radar_list_itr)->_getLongitude();
- double alt = (*radar_list_itr)->_getAltitude();
- double heading = (*radar_list_itr)->_getHeading();
- int id = (*radar_list_itr)->getID();
- int type = (*radar_list_itr)->getType();
-
- calcRngBrg(user_lat, user_lon, lat, lon, range, bearing);
-
- SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: AI list size" << _radar_list.size()
- << " type " << type
- << " ID " << id
- << " radar range " << range
- << " bearing " << bearing
- << " alt " << alt);
-
- bool isVisible = calcRadarHorizon(user_alt, alt, range);
- SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: visible " << isVisible);
-
- if (isVisible)
- isDetected = calcMaxRange(type, range);
-
- //(float _heading, float _alt, float _radius, float _dist, double _LWC, bool _lightning,
- // int _cloudId, bool _aircraft)
- if (isDetected)
- _radarEchoBuffer.push_back(SGWxRadarEcho (
- bearing * SG_DEGREES_TO_RADIANS,
- alt,
- radius[type] * 120,
- range * SG_NM_TO_METER,
- heading * SG_DEGREES_TO_RADIANS,
- 1,
- false,
- id,
- true));
-
- ++radar_list_itr;
- }
+ //SG_LOG(SG_INSTR, SG_DEBUG, "Radar: drawing heading marker"
+ // << " x,y " << x <<","<< y
+ // << " dist" << dist
+ // << " view_heading" << _view_heading * SG_RADIANS_TO_DEGREES
+ // << " heading " << iradarEcho->heading * SG_RADIANS_TO_DEGREES
+ // << " angle " << angle * SG_RADIANS_TO_DEGREES);
+}
+
+
+void
+wxRadarBg::center_map()
+{
+ _lat = _user_lat_node->getDoubleValue();
+ _lon = _user_lon_node->getDoubleValue();
+ _x_offset = _y_offset = 0;
}
+
+void
+wxRadarBg::apply_map_offset()
+{
+ double lat = _user_lat_node->getDoubleValue();
+ double lon = _user_lon_node->getDoubleValue();
+ double bearing, distance, az2;
+ geo_inverse_wgs_84(_lat, _lon, lat, lon, &bearing, &az2, &distance);
+ distance *= SG_METER_TO_NM * _scale;
+ bearing *= SG_DEGREES_TO_RADIANS;
+ _x_offset += sin(bearing) * distance;
+ _y_offset += cos(bearing) * distance;
+ _lat = lat;
+ _lon = lon;
+}
+
+
bool
-wxRadarBg::calcRadarHorizon(double user_alt, double alt, double range)
+wxRadarBg::withinRadarHorizon(double user_alt, double alt, double range_nm)
{
// Radar Horizon = 1.23(ht^1/2 + hr^1/2),
-
//don't allow negative altitudes (an approximation - yes altitudes can be negative)
+ // Allow antenna ht to be set, but only on ground
+ _antenna_ht = _Instrument->getDoubleValue("antenna-ht-ft");
- if (user_alt < 0)
- user_alt = 0;
+ if (user_alt <= 0)
+ user_alt = _antenna_ht;
- if (alt < 0)
- alt = 0;
+ if (alt <= 0)
+ alt = 0; // to allow some vertical extent of target
double radarhorizon = 1.23 * (sqrt(alt) + sqrt(user_alt));
- SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: horizon " << radarhorizon);
-
- return radarhorizon >= range;
+// SG_LOG(SG_INSTR, SG_ALERT, "Radar: radar horizon " << radarhorizon);
+ return radarhorizon >= range_nm;
}
+
bool
-wxRadarBg::calcMaxRange(int type, double range)
+wxRadarBg::inRadarRange(double sigma, double range_nm)
{
//The Radar Equation:
//
// For a given radar we can assume that the only variable is sigma,
// the target radar cross section.
//
- // Here, we will use a normalised rcs (sigma) for a standard target and assume that this
+ // Here, we will use a normalised rcs (sigma) for a standard taget and assume that this
// will provide a maximum range of 35nm;
//
- // The reference range is adjustable at runtime
+ // TODO - make the maximum range adjustable at runtime
- double sigma[] = {0, 1, 100, 100, 0.001, 0.1, 100, 100, 1, 1};
- double constant = _radar_ref_rng_node->getDoubleValue();
+ double constant = _radar_ref_rng;
if (constant <= 0)
constant = 35;
- double maxrange = constant * pow(sigma[type], 0.25);
-
- SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: max range " << maxrange);
-
- return maxrange >= range;
+ double maxrange = constant * pow(sigma, 0.25);
+ //SG_LOG(SG_INSTR, SG_DEBUG, "Radar: max range " << maxrange);
+ return maxrange >= range_nm;
}
+
void
-wxRadarBg::calcRngBrg(double lat, double lon, double lat2, double lon2, double &range,
- double &bearing ) const
+wxRadarBg::calcRangeBearing(double lat, double lon, double lat2, double lon2,
+ double &range, double &bearing) const
{
- double az2, distance;
-
// calculate the bearing and range of the second pos from the first
+ double az2, distance;
geo_inverse_wgs_84(lat, lon, lat2, lon2, &bearing, &az2, &distance);
-
range = distance *= SG_METER_TO_NM;
}
+
float
wxRadarBg::calcRelBearing(float bearing, float heading)
{
float angle = bearing - heading;
- if (angle > SG_PI)
- angle -= 2.0*SG_PI;
+ if (angle >= SG_PI)
+ angle -= 2.0 * SG_PI;
if (angle < -SG_PI)
- angle += 2.0*SG_PI;
+ angle += 2.0 * SG_PI;
+
+ return angle;
+}
+
+float
+wxRadarBg::calcRelBearingDeg(float bearing, float heading)
+{
+ float angle = bearing - heading;
+
+ if (angle >= 180)
+ return angle -= 360;
+
+ if (angle < -180)
+ return angle += 360;
return angle;
}
+
+void
+wxRadarBg::updateFont()
+{
+ float red = _font_node->getFloatValue("color/red");
+ float green = _font_node->getFloatValue("color/green");
+ float blue = _font_node->getFloatValue("color/blue");
+ float alpha = _font_node->getFloatValue("color/alpha");
+ _font_color.set(red, green, blue, alpha);
+
+ _font_size = _font_node->getFloatValue("size");
+ _font_spacing = _font_size * _font_node->getFloatValue("line-spacing");
+ string path = _font_node->getStringValue("name", DEFAULT_FONT);
+
+ SGPath tpath;
+ if (path[0] != '/') {
+ tpath = globals->get_fg_root();
+ tpath.append("Fonts");
+ tpath.append(path);
+ } else {
+ tpath = path;
+ }
+
+#if (FG_OSG_VERSION >= 21000)
+ osg::ref_ptr<osgDB::ReaderWriter::Options> fontOptions = new osgDB::ReaderWriter::Options("monochrome");
+ osg::ref_ptr<osgText::Font> font = osgText::readFontFile(tpath.c_str(), fontOptions.get());
+#else
+ osg::ref_ptr<osgText::Font> font = osgText::readFontFile(tpath.c_str());
+#endif
+
+ if (font != 0) {
+ _font = font;
+ _font->setMinFilterHint(osg::Texture::NEAREST);
+ _font->setMagFilterHint(osg::Texture::NEAREST);
+ _font->setGlyphImageMargin(0);
+ _font->setGlyphImageMarginRatio(0);
+ }
+
+ for (int i=0;i<4;i++)
+ {
+ const float defaultColors[4][3] = {{0,1,1},{0,1,1},{1,0.5,0},{1,0,0}};
+ SGPropertyNode_ptr color_node = _font_node->getNode("tcas/color",i,true);
+ float red = color_node->getFloatValue("red",defaultColors[i][0]);
+ float green = color_node->getFloatValue("green",defaultColors[i][1]);
+ float blue = color_node->getFloatValue("blue",defaultColors[i][2]);
+ float alpha = color_node->getFloatValue("alpha",1);
+ _tcas_colors[i]=osg::Vec4(red, green, blue, alpha);
+ }
+}
+
+void
+wxRadarBg::valueChanged(SGPropertyNode*)
+{
+ updateFont();
+ _time = _interval;
+}
+
projects / flightgear.git / blobdiff