#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
-typedef list <SGSharedPtr<FGAIBase> > radar_list_type;
-typedef radar_list_type::iterator radar_list_iterator;
-typedef radar_list_type::const_iterator radar_list_const_iterator;
-
+using std::cout;
+using std::endl;
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) :
+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),
+ _sim_init_done(false),
+ _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);
}
void
wxRadarBg::init ()
{
- string branch;
- branch = "/instrumentation/" + _name;
-
- _Instrument = fgGetNode(branch.c_str(), _num, true );
_serviceable_node = _Instrument->getNode("serviceable", 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());
+ "Aircraft/Instruments/Textures/od_wxradar.rgb");
+ _resultTexture = FGTextureManager::createTexture(_texture_path.c_str(), false);
- SGPath tpath(globals->get_fg_root());
string path = _Instrument->getStringValue("echo-texture-path",
- "Aircraft/Instruments/Textures/wxecho.rgb");
- tpath.append(path);
+ "Aircraft/Instruments/Textures/wxecho.rgb");
+ SGPath tpath = globals->resolve_aircraft_path(path);
// 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);
+ FGInstrumentMgr *imgr = (FGInstrumentMgr *)globals->get_subsystem("instrumentation");
+ _odg = (FGODGauge *)imgr->get_subsystem("od_gauge");
+ _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);
_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->getType() == SGPropertyNode::NONE)
+ if (!_radar_coverage_node->hasValue())
_radar_coverage_node->setFloatValue(120);
- if (_radar_ref_rng_node->getType() == SGPropertyNode::NONE)
+ if (!_radar_ref_rng_node->hasValue())
_radar_ref_rng_node->setDoubleValue(35);
- if (_radar_hdg_marker_node->getType() == SGPropertyNode::NONE)
+ if (!_radar_hdg_marker_node->hasValue())
_radar_hdg_marker_node->setBoolValue(true);
_x_offset = 0;
// 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();
+ osg::StateSet *stateSet = _radarGeode->getOrCreateStateSet();
stateSet->setTextureAttributeAndModes(0, _wxEcho.get());
_geom = new osg::Geometry;
_geom->setUseDisplayList(false);
_texCoords->setDataVariance(osg::Object::DYNAMIC);
_texCoords->reserve(128 * 4);
_geom->setTexCoordArray(0, _texCoords);
- osg::Vec3Array* colors = new osg::Vec3Array;
+ 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);
+ osg::PrimitiveSet *pset = new osg::DrawArrays(osg::PrimitiveSet::QUADS);
pset->setDataVariance(osg::Object::DYNAMIC);
_geom->addPrimitiveSet(pset);
pset = new osg::DrawArrays(osg::PrimitiveSet::QUADS);
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)));
+ osg::Vec3f(256.0f, 256.0f, 0.0f)));
_radarGeode->addDrawable(_geom);
_odg->allocRT();
// Texture in the 2D panel system
FGTextureManager::addTexture(_texture_path.c_str(), _odg->getTexture());
- osg::Camera* camera = _odg->getCamera();
+ _textGeode = new osg::Geode;
+
+ osg::Camera *camera = _odg->getCamera();
camera->addChild(_radarGeode.get());
+ camera->addChild(_textGeode.get());
+
+ updateFont();
}
// 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++) {
void
wxRadarBg::update (double delta_time_sec)
{
- if ( ! _sim_init_done ) {
- if ( ! fgGetBool("sim/sceneryloaded", false) )
+ if (!_sim_init_done) {
+ if (!fgGetBool("sim/sceneryloaded", false))
return;
_sim_init_done = true;
}
- if ( !_odg || ! _serviceable_node->getBoolValue() ) {
- _Instrument->setStringValue("status","");
+ if (!_odg || !_serviceable_node->getBoolValue()) {
+ _Instrument->setStringValue("status", "");
return;
}
_time += delta_time_sec;
- if (_time < _interval)
+ if (_time < _interval){
+// cout << "WXradar update too soon " << _time << endl;
return;
+ }
+// cout << "WXradar updating" << _time<< endl;
_time = 0.0;
center_map();
}
} else if (mode == "plan") {
- _display_mode = PLAN;
+ _display_mode = PLAN;}
+ else if (mode == "bscan") {
+ _display_mode = BSCAN;
} else {
_display_mode = ARC;
}
string switchKnob = _Instrument->getStringValue("switch", "on");
- 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(_texture_path.c_str(), _resultTexture->getHandle());
-
- _last_switchKnob = switchKnob;
- }
-
- if ( switchKnob == "off" ) {
- _Instrument->setStringValue("status","");
- } else if ( switchKnob == "stby" ) {
- _Instrument->setStringValue("status","STBY");
- } else if ( switchKnob == "tst" ) {
- _Instrument->setStringValue("status","TST");
+ 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);
}
_radar_ref_rng = _radar_ref_rng_node->getDoubleValue();
- _view_heading = get_heading() * SG_DEGREES_TO_RADIANS;
+ _view_heading = fgGetDouble("/orientation/heading-deg") * SG_DEGREES_TO_RADIANS;
_centerTrans.makeTranslate(0.0f, 0.0f, 0.0f);
_scale = 200.0 / _range_nm;
_angle_offset = 0;
- if ( _display_mode == ARC ) {
+ 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 ) {
+ } else if (_display_mode == MAP) {
apply_map_offset();
bool centre = _radar_centre_node->getBoolValue();
_radar_centre_node->setBoolValue(false);
}
- //SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: displacement "
+ //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
_centerTrans.makeTranslate(_x_offset, _y_offset, 0.0f);
- } else if ( _display_mode == PLAN ) {
- // no sense I presume
+ } else if (_display_mode == PLAN) {
+ if (_radar_rotate_node->getBoolValue()) {
+ _angle_offset = -_view_heading;
+ }
+ } else if (_display_mode == BSCAN) {
+ _angle_offset = -_view_heading;
} else {
// rose
}
_vertices->clear();
_texCoords->clear();
-
-
- update_weather();
-
-
- 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
+ _textGeode->removeDrawables(0, _textGeode->getNumDrawables());
+
+#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
+ osg::DrawArrays *trimaskPSet
= static_cast<osg::DrawArrays*>(_geom->getPrimitiveSet(2));
- if ( _display_mode == ARC ) {
- 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);
-
- // 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 + 4,
- 3 * 4);
+ 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 {
- maskPSet->set(osg::PrimitiveSet::QUADS, 0, 0);
- trimaskPSet->set(osg::PrimitiveSet::TRIANGLES, 0, 0);
+ maskPSet->dirty();
+ trimaskPSet->dirty();
}
+#endif
- maskPSet->dirty();
- trimaskPSet->dirty();
+ // remember index of next vertex
+ int vIndex = _vertices->size();
- // draw without mask
- _vertices->clear();
- _texCoords->clear();
+ update_weather();
+
+ osg::DrawArrays *quadPSet
+ = static_cast<osg::DrawArrays*>(_geom->getPrimitiveSet(0));
update_aircraft();
update_tacan();
update_heading_marker();
- quadPSet->set(osg::PrimitiveSet::QUADS, 0, _vertices->size());
+ // draw all new vertices are quads
+ quadPSet->set(osg::PrimitiveSet::QUADS, vIndex, _vertices->size()-vIndex);
quadPSet->dirty();
}
}
void
wxRadarBg::update_weather()
{
- string modeButton = _Instrument->getStringValue("mode", "wx");
- _radarEchoBuffer = *sgEnviro.get_radar_echo();
+ 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;
+// 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, end = radarEcho->end();
const float LWClevel[] = { 0.1f, 0.5f, 2.1f };
if (iradarEcho->lightning || lwc < LWClevel[level])
continue;
- float radius = sgSqrt(iradarEcho->dist) * SG_METER_TO_NM * _scale;
+ float radius = sqrt(iradarEcho->dist) * SG_METER_TO_NM * _scale;
float size = iradarEcho->radius * 2.0 * SG_METER_TO_NM * _scale;
if (radius - size > 180)
continue;
float angle = (iradarEcho->heading - _angle_offset) //* fovFactor
- + 0.5 * SG_PI;
+ + 0.5 * SG_PI;
// Rotate echo into position, and rotate echo to have
// a constant orientation towards the
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);
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(angle) * _centerTrans);
addQuad(_vertices, _texCoords, m, texBase);
- //SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: drawing clouds"
+ //SG_LOG(SG_INSTR, SG_DEBUG, "Radar: drawing clouds"
// << " ID=" << cloudId
// << " x=" << x
// << " y="<< y
// draw lightning echos
bool drawLightning = _Instrument->getBoolValue("lightning", true);
- if ( drawLightning ) {
+ if (drawLightning) {
const osg::Vec2f texBase(3 * UNIT, 4 * UNIT);
for (iradarEcho = radarEcho->begin(); iradarEcho != end; ++iradarEcho) {
float size = UNIT * 0.5f;
float radius = iradarEcho->dist * _scale;
float angle = iradarEcho->heading * SG_DEGREES_TO_RADIANS
- - _angle_offset;
+ - _angle_offset;
osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
- * wxRotate(-angle)
- * osg::Matrixf::translate(0.0f, radius, 0.0f)
- * wxRotate(angle) * _centerTrans);
+ * wxRotate(-angle)
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(angle) * _centerTrans);
addQuad(_vertices, _texCoords, m, texBase);
}
}
+#endif
+}
+
+
+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()
{
- if (!_ai_enabled_node->getBoolValue())
- return;
+ 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;
+
+ const osg::Vec2f texBase(3 * UNIT, 3 * UNIT);
+ osg::Matrixf m(osg::Matrixf::scale(size, size, 1.0f)
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(bearing) * _centerTrans);
+ addQuad(_vertices, _texCoords, m, texBase);
- bool draw_echoes = _radar_position_node->getBoolValue();
- bool draw_symbols = _radar_data_node->getBoolValue();
- if (!draw_echoes && !draw_symbols)
- return;
+ ++ground_echoes_iterator;
+
+ //cout << "test bearing " << test_brg
+ //<< " test_rng " << test_rng * SG_METER_TO_NM
+ //<< " persistance " << _persistance
+ //<< endl;
+ }
+
+ }
- radar_list_type radar_list = _ai->get_ai_list();
- SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: AI submodel list size" << radar_list.size());
- if (radar_list.empty())
+ }
+ if (!_ai_enabled_node->getBoolValue())
return;
- SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: Loading AI submodels ");
- const double echo_radii[] = {0, 1, 1.5, 1.5, 0.001, 0.1, 1.5, 2, 1.5, 1.5};
+ 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;
double user_lat = _user_lat_node->getDoubleValue();
double user_lon = _user_lon_node->getDoubleValue();
double user_alt = _user_alt_node->getDoubleValue();
- radar_list_iterator it = radar_list.begin();
- radar_list_iterator end = radar_list.end();
+ float limit = _radar_coverage_node->getFloatValue();
+ if (limit > 180)
+ limit = 180;
+ else if (limit < 0)
+ limit = 0;
+ limit *= SG_DEGREES_TO_RADIANS;
- for (; it != end; ++it) {
- FGAIBase *ac = *it;
- int type = ac->getType();
- double lat = ac->_getLatitude();
- double lon = ac->_getLongitude();
- double alt = ac->_getAltitude();
- double heading = ac->_getHeading();
+ int selected_id = fgGetInt("/instrumentation/radar/selected-id", -1);
- double range, bearing;
- calcRangeBearing(user_lat, user_lon, lat, lon, range, bearing);
+ const SGPropertyNode *selected_ac = 0;
+ const SGPropertyNode *ai = fgGetNode("/ai/models", true);
- //SG_LOG(SG_GENERAL, SG_DEBUG,
- // "Radar: ID=" << ac->getID() << "(" << radar_list.size() << ")"
- // << " type=" << type
- // << " view_heading=" << _view_heading * SG_RADIANS_TO_DEGREES
- // << " alt=" << alt
- // << " heading=" << heading
- // << " range=" << range
- // << " bearing=" << bearing);
+ for (int i = ai->nChildren() - 1; i >= -1; i--) {
+ const SGPropertyNode *model;
+ 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);
- SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: visible " << isVisible);
+
if (!isVisible)
continue;
- if (!inRadarRange(type, range))
+ if (!inRadarRange(sigma, range))
continue;
bearing *= SG_DEGREES_TO_RADIANS;
float radius = range * _scale;
float angle = calcRelBearing(bearing, _view_heading);
- float limit = _radar_coverage_node->getFloatValue();
- if (limit > 180)
- limit = 180;
- else if (limit < 0)
- limit = 0;
- limit *= SG_DEGREES_TO_RADIANS;
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);
+ }
+
// pos mode
- if (draw_echoes) {
- float echo_radius = echo_radii[type] * 120;
- float size = echo_radius * UNIT;
+ 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)
- * osg::Matrixf::translate(0.0f, radius, 0.0f)
- * wxRotate(bearing) * _centerTrans);
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(bearing) * _centerTrans);
addQuad(_vertices, _texCoords, m, texBase);
-
- //SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: drawing AI"
- // << " x=" << x << " y=" << y
- // << " radius=" << radius
- // << " angle=" << angle * SG_RADIANS_TO_DEGREES);
}
// data mode
- if (draw_symbols) {
+ 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);
+ * wxRotate(heading - bearing)
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(bearing) * _centerTrans);
addQuad(_vertices, _texCoords, m, texBase);
-
- //SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: drawing data"
- // << " x=" << x <<" y="<< y
- // << " bearing=" << angle * SG_RADIANS_TO_DEGREES
- // << " radius=" << radius);
}
+
+ 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);
}
}
+/** 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);
+ }
+
+ {
+ // 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);
+ }
+
+ return true;
+}
void
wxRadarBg::update_tacan()
float size = 600 * UNIT;
float radius = _tacan_distance_node->getFloatValue() * _scale;
float angle = _tacan_bearing_node->getFloatValue() * SG_DEGREES_TO_RADIANS
- + _angle_offset;
+ + _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);
+ * wxRotate(-angle)
+ * osg::Matrixf::translate(0.0f, radius, 0.0f)
+ * wxRotate(angle) * _centerTrans);
addQuad(_vertices, _texCoords, m, texBase);
- //SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: drawing TACAN"
+ //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
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));
+ * wxRotate(_view_heading + _angle_offset));
m *= _centerTrans;
addQuad(_vertices, _texCoords, m, texBase);
- //SG_LOG(SG_GENERAL, SG_DEBUG, "Radar: drawing heading marker"
+ //SG_LOG(SG_INSTR, SG_DEBUG, "Radar: drawing heading marker"
// << " x,y " << x <<","<< y
// << " dist" << dist
// << " view_heading" << _view_heading * SG_RADIANS_TO_DEGREES
{
// 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);
+// SG_LOG(SG_INSTR, SG_ALERT, "Radar: radar horizon " << radarhorizon);
return radarhorizon >= range_nm;
}
bool
-wxRadarBg::inRadarRange(int type, double range_nm)
+wxRadarBg::inRadarRange(double sigma, double range_nm)
{
//The Radar Equation:
//
//
// TODO - make the maximum range adjustable at runtime
- const double sigma[] = {0, 1, 100, 100, 0.001, 0.1, 100, 100, 1, 1};
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);
+ double maxrange = constant * pow(sigma, 0.25);
+ //SG_LOG(SG_INSTR, SG_DEBUG, "Radar: max range " << maxrange);
return maxrange >= range_nm;
}
void
wxRadarBg::calcRangeBearing(double lat, double lon, double lat2, double lon2,
- double &range, double &bearing ) const
+ double &range, double &bearing) const
{
// calculate the bearing and range of the second pos from the first
double az2, distance;
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;
+}
+