#include <algorithm> // for std::sort
#include <plib/puAux.h>
-#include <simgear/route/waypoint.hxx>
#include <simgear/sg_inlines.h>
#include <simgear/misc/strutils.hxx>
#include <simgear/magvar/magvar.hxx>
#include <Airports/simple.hxx>
#include <Airports/runways.hxx>
#include <Main/fg_os.hxx> // fgGetKeyModifiers()
+#include <Navaids/routePath.hxx>
const char* RULER_LEGEND_KEY = "ruler-legend";
-
+
/* equatorial and polar earth radius */
const float rec = 6378137; // earth radius, equator (?)
const float rpol = 6356752.314f; // earth radius, polar (?)
/************************************************************************
- some trigonometric helper functions
+ some trigonometric helper functions
(translated more or less directly from Alexei Novikovs perl original)
*************************************************************************/
int y0 = SG_MAX2(a.min[1], b.min[1]);
int x1 = SG_MIN2(a.max[0], b.max[0]);
int y1 = SG_MIN2(a.max[1], b.max[1]);
-
- return (x0 <= x1) && (y0 <= y1);
+
+ return (x0 <= x1) && (y0 <= y1);
}
class MapData;
static const int HALIGN_LEFT = 1;
static const int HALIGN_CENTER = 2;
static const int HALIGN_RIGHT = 3;
-
+
static const int VALIGN_TOP = 1 << 4;
static const int VALIGN_CENTER = 2 << 4;
static const int VALIGN_BOTTOM = 3 << 4;
-
+
MapData(int priority) :
_dirtyText(true),
_age(0),
_dataVisible(false)
{
}
-
+
void setLabel(const std::string& label)
{
if (label == _label) {
return; // common case, and saves invalidation
}
-
+
_label = label;
_dirtyText = true;
}
-
+
void setText(const std::string &text)
{
if (_rawText == text) {
return; // common case, and saves invalidation
}
-
+
_rawText = text;
_dirtyText = true;
}
-
+
void setDataVisible(bool vis) {
if (vis == _dataVisible) {
return;
}
-
+
if (_rawText.empty()) {
vis = false;
}
-
+
_dataVisible = vis;
_dirtyText = true;
}
-
+
static void setFont(puFont f)
{
_font = f;
_fontHeight = f.getStringHeight();
_fontDescender = f.getStringDescender();
}
-
+
static void setPalette(puColor* pal)
{
_palette = pal;
}
-
+
void setPriority(int pri)
{
_priority = pri;
}
-
+
int priority() const
{ return _priority; }
-
+
void setAnchor(const SGVec2d& anchor)
{
_anchor = anchor;
}
-
+
void setOffset(int direction, int px)
{
if ((_offsetPx == px) && (_offsetDir == direction)) {
return;
}
-
+
_dirtyOffset = true;
_offsetDir = direction;
_offsetPx = px;
}
-
+
bool isClipped(const puBox& vis) const
{
validate();
if ((_width < 1) || (_height < 1)) {
return true;
}
-
+
return !puBoxIntersect(vis, box());
}
-
+
bool overlaps(const MapDataVec& l) const
{
validate();
puBox b(box());
-
+
MapDataVec::const_iterator it;
for (it = l.begin(); it != l.end(); ++it) {
if (puBoxIntersect(b, (*it)->box())) {
return true;
}
} // of list iteration
-
+
return false;
}
-
+
puBox box() const
{
validate();
return makePuBox(
- _anchor.x() + _offset.x(),
+ _anchor.x() + _offset.x(),
_anchor.y() + _offset.y(),
_width, _height);
}
-
+
void draw()
{
validate();
-
+
int xx = _anchor.x() + _offset.x();
int yy = _anchor.y() + _offset.y();
-
+
if (_dataVisible) {
puBox box(makePuBox(0,0,_width, _height));
int border = 1;
box.draw(xx, yy, PUSTYLE_DROPSHADOW, _palette, FALSE, border);
-
+
// draw lines
int lineHeight = _fontHeight;
int xPos = xx + MARGIN;
int yPos = yy + _height - (lineHeight + MARGIN);
glColor3f(0.8, 0.8, 0.8);
-
+
for (unsigned int ln=0; ln<_lines.size(); ++ln) {
_font.drawString(_lines[ln].c_str(), xPos, yPos);
yPos -= lineHeight + LINE_LEADING;
}
- } else {
+ } else {
glColor3f(0.8, 0.8, 0.8);
_font.drawString(_label.c_str(), xx, yy + _fontDescender);
}
}
-
+
void age()
{
++_age;
}
-
+
void resetAge()
{
_age = 0;
}
-
+
bool isExpired() const
{ return (_age > 100); }
-
+
static bool order(MapData* a, MapData* b)
{
return a->_priority > b->_priority;
if (_dirtyOffset) {
computeOffset();
}
-
+
return;
}
-
+
if (_dataVisible) {
measureData();
} else {
measureLabel();
}
-
+
computeOffset();
_dirtyText = false;
}
-
+
void measureData() const
{
_lines = simgear::strutils::split(_rawText, "\n");
// measure text to find width and height
_width = -1;
_height = 0;
-
+
for (unsigned int ln=0; ln<_lines.size(); ++ln) {
_height += _fontHeight;
if (ln > 0) {
_height += LINE_LEADING;
}
-
+
int lw = _font.getStringWidth(_lines[ln].c_str());
_width = std::max(_width, lw);
} // of line measurement
-
+
if ((_width < 1) || (_height < 1)) {
// will be clipped
return;
}
-
+
_height += MARGIN * 2;
_width += MARGIN * 2;
}
-
+
void measureLabel() const
{
if (_label.empty()) {
_width = _height = -1;
return;
}
-
+
_height = _fontHeight;
_width = _font.getStringWidth(_label.c_str());
}
-
+
void computeOffset() const
{
_dirtyOffset = false;
if ((_width <= 0) || (_height <= 0)) {
return;
}
-
+
int hOffset = 0;
int vOffset = 0;
-
+
switch (_offsetDir & 0x0f) {
default:
case HALIGN_LEFT:
hOffset = _offsetPx;
break;
-
+
case HALIGN_CENTER:
hOffset = -(_width>>1);
break;
-
+
case HALIGN_RIGHT:
hOffset = -(_offsetPx + _width);
break;
}
-
+
switch (_offsetDir & 0xf0) {
default:
case VALIGN_TOP:
vOffset = -(_offsetPx + _height);
break;
-
+
case VALIGN_CENTER:
vOffset = -(_height>>1);
break;
-
+
case VALIGN_BOTTOM:
vOffset = _offsetPx;
break;
_offset = SGVec2d(hOffset, vOffset);
}
-
+
static const int LINE_LEADING = 3;
static const int MARGIN = 3;
-
+
mutable bool _dirtyText;
mutable bool _dirtyOffset;
int _age;
int _offsetPx;
mutable SGVec2d _offset;
bool _dataVisible;
-
+
static puFont _font;
static puColor* _palette;
static int _fontHeight;
///////////////////////////////////////////////////////////////////////////
-const int MAX_ZOOM = 16;
+const int MAX_ZOOM = 12;
const int SHOW_DETAIL_ZOOM = 8;
const int CURSOR_PAN_STEP = 32;
-MapWidget::MapWidget(int x, int y, int maxX, int maxY) :
+MapWidget::MapWidget(int x, int y, int maxX, int maxY) :
puObject(x,y,maxX, maxY)
{
_route = static_cast<FGRouteMgr*>(globals->get_subsystem("route-manager"));
_gps = fgGetNode("/instrumentation/gps");
-
- _zoom = 6;
+
_width = maxX - x;
_height = maxY - y;
+ _hasPanned = false;
+ _orthoAzimuthProject = false;
MapData::setFont(legendFont);
MapData::setPalette(colour);
-
+
_magVar = new SGMagVar();
}
MapWidget::~MapWidget()
{
delete _magVar;
+ clearData();
}
void MapWidget::setProperty(SGPropertyNode_ptr prop)
{
_root = prop;
+ int zoom = _root->getIntValue("zoom", -1);
+ if (zoom < 0) {
+ _root->setIntValue("zoom", 6); // default zoom
+ }
+
+// expose MAX_ZOOM to the UI
+ _root->setIntValue("max-zoom", MAX_ZOOM);
_root->setBoolValue("centre-on-aircraft", true);
_root->setBoolValue("draw-data", false);
_root->setBoolValue("magnetic-headings", true);
void MapWidget::doHit( int button, int updown, int x, int y )
{
- puObject::doHit(button, updown, x, y);
- if (updown == PU_DRAG) {
+ puObject::doHit(button, updown, x, y);
+ if (updown == PU_DRAG) {
handlePan(x, y);
return;
}
-
+
if (button == 3) { // mouse-wheel up
zoomIn();
} else if (button == 4) { // mouse-wheel down
zoomOut();
}
-
+
if (button != active_mouse_button) {
return;
}
-
+
_hitLocation = SGVec2d(x - abox.min[0], y - abox.min[1]);
-
+
if (updown == PU_UP) {
puDeactivateWidget();
} else if (updown == PU_DOWN) {
puSetActiveWidget(this, x, y);
-
+
if (fgGetKeyModifiers() & KEYMOD_CTRL) {
_clickGeod = unproject(_hitLocation - SGVec2d(_width>>1, _height>>1));
}
if ((updown == PU_UP) || !isVisible () || !isActive () || (window != puGetWindow())) {
return FALSE ;
}
-
+
switch (key)
{
case PU_KEY_DOWN:
pan(SGVec2d(0, CURSOR_PAN_STEP));
break ;
-
+
case PU_KEY_LEFT:
pan(SGVec2d(CURSOR_PAN_STEP, 0));
break;
-
+
case PU_KEY_RIGHT:
pan(SGVec2d(-CURSOR_PAN_STEP, 0));
break;
-
+
case '-':
zoomOut();
-
+
break;
-
+
case '=':
zoomIn();
break;
-
+
default :
return FALSE;
}
void MapWidget::pan(const SGVec2d& delta)
{
+ _hasPanned = true;
_projectionCenter = unproject(-delta);
}
+int MapWidget::zoom() const
+{
+ int z = _root->getIntValue("zoom");
+ SG_CLAMP_RANGE(z, 0, MAX_ZOOM);
+ return z;
+}
+
void MapWidget::zoomIn()
{
- if (_zoom <= 0) {
+ if (zoom() >= MAX_ZOOM) {
return;
}
-
- --_zoom;
- SG_LOG(SG_GENERAL, SG_INFO, "zoom is now:" << _zoom);
+
+ _root->setIntValue("zoom", zoom() + 1);
}
void MapWidget::zoomOut()
{
- if (_zoom >= MAX_ZOOM) {
+ if (zoom() <= 0) {
return;
}
-
- ++_zoom;
- SG_LOG(SG_GENERAL, SG_INFO, "zoom is now:" << _zoom);
+
+ _root->setIntValue("zoom", zoom() - 1);
}
void MapWidget::draw(int dx, int dy)
{
- _aircraft = SGGeod::fromDeg(fgGetDouble("/position/longitude-deg"),
+ _aircraft = SGGeod::fromDeg(fgGetDouble("/position/longitude-deg"),
fgGetDouble("/position/latitude-deg"));
- _magneticHeadings = _root->getBoolValue("magnetic-headings");
+
+ bool mag = _root->getBoolValue("magnetic-headings");
+ if (mag != _magneticHeadings) {
+ clearData(); // flush cached data text, since it often includes heading
+ _magneticHeadings = mag;
+ }
- if (_root->getBoolValue("centre-on-aircraft")) {
+ if (_hasPanned) {
+ _root->setBoolValue("centre-on-aircraft", false);
+ _hasPanned = false;
+ }
+ else if (_root->getBoolValue("centre-on-aircraft")) {
_projectionCenter = _aircraft;
- _root->setBoolValue("centre-on-aircraft", false);
}
-
+
double julianDate = globals->get_time_params()->getJD();
_magVar->update(_projectionCenter, julianDate);
- SGGeod topLeft = unproject(SGVec2d(_width/2, _height/2));
- // compute draw range, including a fudge factor for ILSs and other 'long'
- // symbols
- _drawRangeNm = SGGeodesy::distanceNm(_projectionCenter, topLeft) + 10.0;
-
bool aircraftUp = _root->getBoolValue("aircraft-heading-up");
if (aircraftUp) {
_upHeading = fgGetDouble("/orientation/heading-deg");
} else {
_upHeading = 0.0;
}
-
+
+ _cachedZoom = MAX_ZOOM - zoom();
+ SGGeod topLeft = unproject(SGVec2d(_width/2, _height/2));
+ // compute draw range, including a fudge factor for ILSs and other 'long'
+ // symbols
+ _drawRangeNm = SGGeodesy::distanceNm(_projectionCenter, topLeft) + 10.0;
+
// drawing operations
GLint sx = (int) abox.min[0],
sy = (int) abox.min[1];
glScissor(dx + sx, dy + sy, _width, _height);
glEnable(GL_SCISSOR_TEST);
-
+
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
// cetere drawing about the widget center (which is also the
// projection centre)
glTranslated(dx + sx + (_width/2), dy + sy + (_height/2), 0.0);
-
+
drawLatLonGrid();
-
+
if (aircraftUp) {
int textHeight = legendFont.getStringHeight() + 5;
-
+
// draw heading line
SGVec2d loc = project(_aircraft);
glColor3f(1.0, 1.0, 1.0);
drawLine(loc, SGVec2d(loc.x(), (_height / 2) - textHeight));
-
+
int displayHdg;
if (_magneticHeadings) {
displayHdg = (int) fgGetDouble("/orientation/heading-magnetic-deg");
} else {
displayHdg = (int) _upHeading;
}
-
+
double y = (_height / 2) - textHeight;
char buf[16];
::snprintf(buf, 16, "%d", displayHdg);
int sw = legendFont.getStringWidth(buf);
legendFont.drawString(buf, loc.x() - sw/2, y);
}
-
+
drawAirports();
drawNavaids();
drawTraffic();
paintAircraftLocation(_aircraft);
paintRoute();
paintRuler();
-
+
drawData();
-
+
glPopMatrix();
glDisable(GL_SCISSOR_TEST);
}
if (_clickGeod == SGGeod()) {
return;
}
-
+
SGVec2d acftPos = project(_aircraft);
SGVec2d clickPos = project(_clickGeod);
-
+
glColor4f(0.0, 1.0, 1.0, 0.6);
drawLine(acftPos, clickPos);
-
+
circleAtAlt(clickPos, 8, 10, 5);
-
+
double dist, az, az2;
SGGeodesy::inverse(_aircraft, _clickGeod, az, az2, dist);
- if (_magneticHeadings) {
- az -= _magVar->get_magvar();
- SG_NORMALIZE_RANGE(az, 0.0, 360.0);
- }
-
char buffer[1024];
::snprintf(buffer, 1024, "%03d/%.1fnm",
- SGMiscd::roundToInt(az), dist * SG_METER_TO_NM);
-
+ displayHeading(az), dist * SG_METER_TO_NM);
+
MapData* d = getOrCreateDataForKey((void*) RULER_LEGEND_KEY);
d->setLabel(buffer);
d->setAnchor(clickPos);
d->setOffset(MapData::VALIGN_TOP | MapData::HALIGN_CENTER, 15);
d->setPriority(20000);
-
+
}
void MapWidget::paintAircraftLocation(const SGGeod& aircraftPos)
{
SGVec2d loc = project(aircraftPos);
-
+
double hdg = fgGetDouble("/orientation/heading-deg");
-
+
glLineWidth(2.0);
glColor4f(1.0, 1.0, 0.0, 1.0);
glPushMatrix();
glTranslated(loc.x(), loc.y(), 0.0);
glRotatef(hdg - _upHeading, 0.0, 0.0, -1.0);
-
+
const SGVec2d wingspan(12, 0);
const SGVec2d nose(0, 8);
const SGVec2d tail(0, -14);
const SGVec2d tailspan(4,0);
-
+
drawLine(-wingspan, wingspan);
drawLine(nose, tail);
drawLine(tail - tailspan, tail + tailspan);
-
+
glPopMatrix();
glLineWidth(1.0);
}
void MapWidget::paintRoute()
{
- if (_route->size() < 2) {
+ if (_route->numWaypts() < 2) {
return;
}
-
-// first pass, draw the actual line
+
+ RoutePath path(_route->flightPlan());
+
+// first pass, draw the actual lines
glLineWidth(2.0);
- glBegin(GL_LINE_STRIP);
-
- SGVec2d prev = project(_route->get_waypoint(0).get_target());
- glVertex2d(prev.x(), prev.y());
-
- for (int w=1; w < _route->size(); ++w) {
-
- SGVec2d p = project(_route->get_waypoint(w).get_target());
-
- if (w < _route->currentWaypoint()) {
+
+ for (int w=0; w<_route->numWaypts(); ++w) {
+ SGGeodVec gv(path.pathForIndex(w));
+ if (gv.empty()) {
+ continue;
+ }
+
+ if (w < _route->currentIndex()) {
glColor4f(0.5, 0.5, 0.5, 0.7);
} else {
glColor4f(1.0, 0.0, 1.0, 1.0);
}
-
- glVertex2d(p.x(), p.y());
-
+
+ flightgear::WayptRef wpt(_route->wayptAtIndex(w));
+ if (wpt->flag(flightgear::WPT_MISS)) {
+ glEnable(GL_LINE_STIPPLE);
+ glLineStipple(1, 0x00FF);
+ }
+
+ glBegin(GL_LINE_STRIP);
+ for (unsigned int i=0; i<gv.size(); ++i) {
+ SGVec2d p = project(gv[i]);
+ glVertex2d(p.x(), p.y());
+ }
+
+ glEnd();
+ glDisable(GL_LINE_STIPPLE);
}
- glEnd();
-
+
glLineWidth(1.0);
// second pass, draw waypoint symbols and data
- for (int w=0; w < _route->size(); ++w) {
- const SGWayPoint& wpt(_route->get_waypoint(w));
- SGVec2d p = project(wpt.get_target());
+ for (int w=0; w < _route->numWaypts(); ++w) {
+ flightgear::WayptRef wpt(_route->wayptAtIndex(w));
+ SGGeod g = path.positionForIndex(w);
+ if (g == SGGeod()) {
+ continue; // Vectors or similar
+ }
+
+ SGVec2d p = project(g);
glColor4f(1.0, 0.0, 1.0, 1.0);
circleAtAlt(p, 8, 12, 5);
-
+
std::ostringstream legend;
- legend << wpt.get_id();
- if (wpt.get_target_alt() > -9990.0) {
- legend << '\n' << SGMiscd::roundToInt(wpt.get_target_alt()) << '\'';
+ legend << wpt->ident();
+ if (wpt->altitudeRestriction() != flightgear::RESTRICT_NONE) {
+ legend << '\n' << SGMiscd::roundToInt(wpt->altitudeFt()) << '\'';
}
-
- if (wpt.get_speed() > 0.0) {
- legend << '\n' << SGMiscd::roundToInt(wpt.get_speed()) << "Kts";
+
+ if (wpt->speedRestriction() == flightgear::SPEED_RESTRICT_MACH) {
+ legend << '\n' << wpt->speedMach() << "M";
+ } else if (wpt->speedRestriction() != flightgear::RESTRICT_NONE) {
+ legend << '\n' << SGMiscd::roundToInt(wpt->speedKts()) << "Kts";
}
-
+
MapData* d = getOrCreateDataForKey(reinterpret_cast<void*>(w * 2));
d->setText(legend.str());
- d->setLabel(wpt.get_id());
+ d->setLabel(wpt->ident());
d->setAnchor(p);
d->setOffset(MapData::VALIGN_TOP | MapData::HALIGN_CENTER, 15);
- d->setPriority(w < _route->currentWaypoint() ? 9000 : 12000);
-
- if (w > 0) {
- SGVec2d legMid = (prev + p) * 0.5;
- std::ostringstream legLegend;
-
- double track = wpt.get_track();
- if (_magneticHeadings) {
- track -= _magVar->get_magvar(); // show magnetic track for leg
- }
-
- legLegend << SGMiscd::roundToInt(track) << " "
- << SGMiscd::roundToInt(wpt.get_distance() * SG_METER_TO_NM) << "Nm";
-
- MapData* ld = getOrCreateDataForKey(reinterpret_cast<void*>(w * 2 + 1));
- ld->setText(legLegend.str());
- ld->setAnchor(legMid);
- ld->setOffset(MapData::VALIGN_TOP | MapData::HALIGN_CENTER, 15);
- ld->setPriority(w < _route->currentWaypoint() ? 8000 : 11000);
- } // of draw leg data
-
- prev = p;
+ d->setPriority(w < _route->currentIndex() ? 9000 : 12000);
+
} // of second waypoint iteration
}
/**
- * Round a SGGeod to an arbitrary precision.
+ * Round a SGGeod to an arbitrary precision.
* For example, passing precision of 0.5 will round to the nearest 0.5 of
* a degree in both lat and lon - passing in 3.0 rounds to the nearest 3 degree
* multiple, and so on.
{
double lon = SGMiscd::round(g.getLongitudeDeg() / precision);
double lat = SGMiscd::round(g.getLatitudeDeg() / precision);
-
+
return SGGeod::fromDeg(lon * precision, lat * precision);
}
minY = SGMiscd::min(a.y(), b.y()),
maxX = SGMiscd::max(a.x(), b.x()),
maxY = SGMiscd::max(a.y(), b.y());
-
+
int hh = _height >> 1, hw = _width >> 1;
-
+
if ((maxX < -hw) || (minX > hw) || (minY > hh) || (maxY < -hh)) {
return false;
}
-
+
glVertex2dv(a.data());
glVertex2dv(b.data());
return true;
if (it != _gridCache.end()) {
return it->second;
}
-
+
SGGeod gp = SGGeod::fromDeg(
_gridCenter.getLongitudeDeg() + ix * _gridSpacing,
_gridCenter.getLatitudeDeg() + iy * _gridSpacing);
-
+
SGVec2d proj = project(gp);
_gridCache[key] = proj;
return proj;
_gridSpacing = 1.0;
_gridCenter = roundGeod(_gridSpacing, _projectionCenter);
_gridCache.clear();
-
+
int ix = 0;
int iy = 0;
didDraw = false;
++ix;
++iy;
-
+
for (int x = -ix; x < ix; ++x) {
didDraw |= drawLineClipped(gridPoint(x, -iy), gridPoint(x+1, -iy));
didDraw |= drawLineClipped(gridPoint(x, iy), gridPoint(x+1, iy));
didDraw |= drawLineClipped(gridPoint(x, iy), gridPoint(x, iy - 1));
}
-
+
for (int y = -iy; y < iy; ++y) {
didDraw |= drawLineClipped(gridPoint(-ix, y), gridPoint(-ix, y+1));
didDraw |= drawLineClipped(gridPoint(-ix, y), gridPoint(-ix + 1, y));
didDraw |= drawLineClipped(gridPoint(ix, y), gridPoint(ix, y+1));
didDraw |= drawLineClipped(gridPoint(ix, y), gridPoint(ix - 1, y));
}
-
+
if (ix > 30) {
break;
}
} while (didDraw);
-
+
glEnd();
}
void MapWidget::drawGPSData()
{
std::string gpsMode = _gps->getStringValue("mode");
-
+
SGGeod wp0Geod = SGGeod::fromDeg(
- _gps->getDoubleValue("wp/wp[0]/longitude-deg"),
+ _gps->getDoubleValue("wp/wp[0]/longitude-deg"),
_gps->getDoubleValue("wp/wp[0]/latitude-deg"));
-
+
SGGeod wp1Geod = SGGeod::fromDeg(
- _gps->getDoubleValue("wp/wp[1]/longitude-deg"),
+ _gps->getDoubleValue("wp/wp[1]/longitude-deg"),
_gps->getDoubleValue("wp/wp[1]/latitude-deg"));
-
+
// draw track line
double gpsTrackDeg = _gps->getDoubleValue("indicated-track-true-deg");
double gpsSpeed = _gps->getDoubleValue("indicated-ground-speed-kt");
double az2;
-
+
if (gpsSpeed > 3.0) { // only draw track line if valid
SGGeod trackRadial;
SGGeodesy::direct(_aircraft, gpsTrackDeg, _drawRangeNm * SG_NM_TO_METER, trackRadial, az2);
-
+
glColor4f(1.0, 1.0, 0.0, 1.0);
glEnable(GL_LINE_STIPPLE);
glLineStipple(1, 0x00FF);
drawLine(project(_aircraft), project(trackRadial));
glDisable(GL_LINE_STIPPLE);
}
-
+
if (gpsMode == "dto") {
SGVec2d wp0Pos = project(wp0Geod);
SGVec2d wp1Pos = project(wp1Geod);
-
+
glColor4f(1.0, 0.0, 1.0, 1.0);
drawLine(wp0Pos, wp1Pos);
-
+
}
-
+
if (_gps->getBoolValue("scratch/valid")) {
// draw scratch data
-
+
}
}
{
_heliports = nd->getBoolValue("show-heliports", false);
_hardRunwaysOnly = nd->getBoolValue("hard-surfaced-airports", true);
- _minLengthFt = nd->getDoubleValue("min-runway-length-ft", 2000.0);
+ _minLengthFt = fgGetDouble("/sim/navdb/min-runway-length-ft", 2000);
}
-
+
virtual FGPositioned::Type maxType() const {
return _heliports ? FGPositioned::HELIPORT : FGPositioned::AIRPORT;
}
-
+
virtual bool passAirport(FGAirport* aApt) const {
if (_hardRunwaysOnly) {
return aApt->hasHardRunwayOfLengthFt(_minLengthFt);
}
-
+
return true;
}
_fixes(fixesEnabled),
_navaids(navaidsEnabled)
{}
-
- virtual bool pass(FGPositioned* aPos) const {
+
+ virtual bool pass(FGPositioned* aPos) const {
if (_fixes && (aPos->type() == FGPositioned::FIX)) {
// ignore fixes which end in digits - expirmental
- if (isdigit(aPos->ident()[3]) && isdigit(aPos->ident()[4])) {
+ if (aPos->ident().length() > 4 && isdigit(aPos->ident()[3]) && isdigit(aPos->ident()[4])) {
return false;
}
}
-
+
return true;
}
-
+
virtual FGPositioned::Type minType() const {
- return _fixes ? FGPositioned::FIX : FGPositioned::VOR;
+ return _fixes ? FGPositioned::FIX : FGPositioned::NDB;
}
-
+
virtual FGPositioned::Type maxType() const {
- return _navaids ? FGPositioned::NDB : FGPositioned::FIX;
+ return _navaids ? FGPositioned::VOR : FGPositioned::FIX;
}
-
+
private:
bool _fixes, _navaids;
};
{
bool fixes = _root->getBoolValue("draw-fixes");
NavaidFilter f(fixes, _root->getBoolValue("draw-navaids"));
-
+
if (f.minType() <= f.maxType()) {
FGPositioned::List navs = FGPositioned::findWithinRange(_projectionCenter, _drawRangeNm, &f);
-
+
glLineWidth(1.0);
for (unsigned int i=0; i<navs.size(); ++i) {
FGPositioned::Type ty = navs[i]->type();
void MapWidget::drawNDB(bool tuned, FGNavRecord* ndb)
{
SGVec2d pos = project(ndb->geod());
-
+
if (tuned) {
glColor3f(0.0, 1.0, 1.0);
} else {
glColor3f(0.0, 0.0, 0.0);
}
-
+
glEnable(GL_LINE_STIPPLE);
glLineStipple(1, 0x00FF);
circleAt(pos, 20, 6);
circleAt(pos, 20, 10);
glDisable(GL_LINE_STIPPLE);
-
+
if (validDataForKey(ndb)) {
setAnchorForKey(ndb, pos);
return;
}
-
+
char buffer[1024];
::snprintf(buffer, 1024, "%s\n%s %3.0fKhz",
ndb->name().c_str(), ndb->ident().c_str(),ndb->get_freq()/100.0);
-
+
MapData* d = createDataForKey(ndb);
d->setPriority(40);
d->setLabel(ndb->ident());
} else {
glColor3f(0.0, 0.0, 1.0);
}
-
+
circleAt(pos, 6, 8);
-
+
if (validDataForKey(vor)) {
setAnchorForKey(vor, pos);
return;
}
-
+
char buffer[1024];
::snprintf(buffer, 1024, "%s\n%s %6.3fMhz",
vor->name().c_str(), vor->ident().c_str(),
vor->get_freq() / 100.0);
-
+
MapData* d = createDataForKey(vor);
d->setText(buffer);
d->setLabel(vor->ident());
SGVec2d pos = project(fix->geod());
glColor3f(0.0, 0.0, 0.0);
circleAt(pos, 3, 6);
-
- if (_zoom > SHOW_DETAIL_ZOOM) {
+
+ if (_cachedZoom > SHOW_DETAIL_ZOOM) {
return; // hide fix labels beyond a certain zoom level
}
setAnchorForKey(fix, pos);
return;
}
-
+
MapData* d = createDataForKey(fix);
d->setLabel(fix->ident());
d->setPriority(20);
void MapWidget::drawNavRadio(SGPropertyNode_ptr radio)
{
- if (!radio || radio->getBoolValue("slaved-to-gps", false)
+ if (!radio || radio->getBoolValue("slaved-to-gps", false)
|| !radio->getBoolValue("in-range", false)) {
return;
}
-
+
if (radio->getBoolValue("nav-loc", false)) {
drawTunedLocalizer(radio);
}
-
+
// identify the tuned station - unfortunately we don't get lat/lon directly,
// need to do the frequency search again
double mhz = radio->getDoubleValue("frequencies/selected-mhz", 0.0);
- FGNavRecord* nav = globals->get_navlist()->findByFreq(mhz, _aircraft);
+
+ FGNavRecord* nav = FGNavList::findByFreq(mhz, _aircraft,
+ FGNavList::navFilter());
if (!nav || (nav->ident() != radio->getStringValue("nav-id"))) {
// mismatch between navradio selection logic and ours!
return;
}
-
+
glLineWidth(1.0);
drawVOR(true, nav);
-
+
SGVec2d pos = project(nav->geod());
SGGeod range;
double az2;
double trueRadial = radio->getDoubleValue("radials/target-radial-deg");
SGGeodesy::direct(nav->geod(), trueRadial, nav->get_range() * SG_NM_TO_METER, range, az2);
SGVec2d prange = project(range);
-
+
SGVec2d norm = normalize(prange - pos);
SGVec2d perp(norm.y(), -norm.x());
-
+
circleAt(pos, 64, length(prange - pos));
drawLine(pos, prange);
-
+
// draw to/from arrows
SGVec2d midPoint = (pos + prange) * 0.5;
if (radio->getBoolValue("from-flag")) {
norm = -norm;
perp = -perp;
}
-
+
int sz = 10;
SGVec2d arrowB = midPoint - (norm * sz) + (perp * sz);
SGVec2d arrowC = midPoint - (norm * sz) - (perp * sz);
drawLine(midPoint, arrowB);
drawLine(arrowB, arrowC);
drawLine(arrowC, midPoint);
-
+
drawLine(pos, (2 * pos) - prange); // reciprocal radial
}
void MapWidget::drawTunedLocalizer(SGPropertyNode_ptr radio)
{
double mhz = radio->getDoubleValue("frequencies/selected-mhz", 0.0);
- FGNavRecord* loc = globals->get_loclist()->findByFreq(mhz, _aircraft);
+ FGNavRecord* loc = FGNavList::findByFreq(mhz, _aircraft, FGNavList::locFilter());
if (!loc || (loc->ident() != radio->getStringValue("nav-id"))) {
// mismatch between navradio selection logic and ours!
return;
}
-
+
if (loc->runway()) {
drawILS(true, loc->runway());
}
{
// draw tower location
SGVec2d towerPos = project(apt->getTowerLocation());
-
- if (_zoom <= SHOW_DETAIL_ZOOM) {
+
+ if (_cachedZoom <= SHOW_DETAIL_ZOOM) {
glColor3f(1.0, 1.0, 1.0);
glLineWidth(1.0);
-
+
drawLine(towerPos + SGVec2d(3, 0), towerPos + SGVec2d(3, 10));
drawLine(towerPos + SGVec2d(-3, 0), towerPos + SGVec2d(-3, 10));
drawLine(towerPos + SGVec2d(-6, 20), towerPos + SGVec2d(-3, 10));
drawLine(towerPos + SGVec2d(6, 20), towerPos + SGVec2d(3, 10));
drawLine(towerPos + SGVec2d(-6, 20), towerPos + SGVec2d(6, 20));
}
-
+
if (validDataForKey(apt)) {
setAnchorForKey(apt, towerPos);
} else {
d->setOffset(MapData::VALIGN_TOP | MapData::HALIGN_CENTER, 6);
d->setAnchor(towerPos);
}
-
- if (_zoom > SHOW_DETAIL_ZOOM) {
+
+ if (_cachedZoom > SHOW_DETAIL_ZOOM) {
return;
}
drawRunwayPre(rwy);
}
}
-
+
for (unsigned int r=0; r<apt->numRunways(); ++r) {
FGRunway* rwy = apt->getRunwayByIndex(r);
if (!rwy->isReciprocal()) {
drawRunway(rwy);
}
-
+
if (rwy->ILS()) {
drawILS(false, rwy);
}
} // of runway iteration
-
+
}
int MapWidget::scoreAirportRunways(FGAirport* apt)
{
bool needHardSurface = _root->getBoolValue("hard-surfaced-airports", true);
double minLength = _root->getDoubleValue("min-runway-length-ft", 2000.0);
-
+
int score = 0;
unsigned int numRunways(apt->numRunways());
for (unsigned int r=0; r<numRunways; ++r) {
if (needHardSurface && !rwy->isHardSurface()) {
continue;
}
-
+
if (rwy->lengthFt() < minLength) {
continue;
}
-
+
int scoreLength = SGMiscd::roundToInt(rwy->lengthFt() / 200.0);
score += scoreLength;
} // of runways iteration
{
SGVec2d p1 = project(rwy->begin());
SGVec2d p2 = project(rwy->end());
-
+
glLineWidth(4.0);
glColor3f(1.0, 0.0, 1.0);
drawLine(p1, p2);
void MapWidget::drawRunway(FGRunway* rwy)
{
- // line for runway
+ // line for runway
// optionally show active, stopway, etc
// in legend, show published heading and length
// and threshold elevation
-
+
SGVec2d p1 = project(rwy->begin());
SGVec2d p2 = project(rwy->end());
glLineWidth(2.0);
glColor3f(1.0, 1.0, 1.0);
SGVec2d inset = normalize(p2 - p1) * 2;
-
+
drawLine(p1 + inset, p2 - inset);
-
+
if (validDataForKey(rwy)) {
setAnchorForKey(rwy, (p1 + p2) * 0.5);
return;
}
char buffer[1024];
- ::snprintf(buffer, 1024, "%s/%s\n%3.0f/%3.0f\n%.0f'",
+ ::snprintf(buffer, 1024, "%s/%s\n%03d/%03d\n%.0f'",
rwy->ident().c_str(),
rwy->reciprocalRunway()->ident().c_str(),
- rwy->headingDeg(),
- rwy->reciprocalRunway()->headingDeg(),
+ displayHeading(rwy->headingDeg()),
+ displayHeading(rwy->reciprocalRunway()->headingDeg()),
rwy->lengthFt());
-
+
MapData* d = createDataForKey(rwy);
d->setText(buffer);
d->setLabel(rwy->ident() + "/" + rwy->reciprocalRunway()->ident());
// using LOC transmitter position would be more accurate, but
// is visually cluttered
// arrow width is based upon the computed localizer width
-
+
FGNavRecord* loc = rwy->ILS();
double halfBeamWidth = loc->localizerWidth() * 0.5;
SGVec2d t = project(rwy->threshold());
double radial = loc->get_multiuse();
SG_NORMALIZE_RANGE(radial, 0.0, 360.0);
double az2;
-
+
// compute the three end points at the widge end of the arrow
SGGeodesy::direct(loc->geod(), radial, -rangeM, locEnd, az2);
SGVec2d endCentre = project(locEnd);
-
+
SGGeodesy::direct(loc->geod(), radial + halfBeamWidth, -rangeM * 1.1, locEnd, az2);
SGVec2d endR = project(locEnd);
-
+
SGGeodesy::direct(loc->geod(), radial - halfBeamWidth, -rangeM * 1.1, locEnd, az2);
SGVec2d endL = project(locEnd);
-
+
// outline two triangles
glLineWidth(1.0);
if (tuned) {
} else {
glColor3f(0.0, 0.0, 1.0);
}
-
+
glBegin(GL_LINE_LOOP);
glVertex2dv(t.data());
glVertex2dv(endCentre.data());
glVertex2dv(endCentre.data());
glVertex2dv(endR.data());
glEnd();
+
+ if (validDataForKey(loc)) {
+ setAnchorForKey(loc, endR);
+ return;
+ }
+
+ char buffer[1024];
+ ::snprintf(buffer, 1024, "%s\n%s\n%03d - %3.2fMHz",
+ loc->ident().c_str(), loc->name().c_str(),
+ displayHeading(radial),
+ loc->get_freq()/100.0);
+
+ MapData* d = createDataForKey(loc);
+ d->setPriority(40);
+ d->setLabel(loc->ident());
+ d->setText(buffer);
+ d->setOffset(MapData::HALIGN_CENTER | MapData::VALIGN_BOTTOM, 10);
+ d->setAnchor(endR);
}
void MapWidget::drawTraffic()
if (!_root->getBoolValue("draw-traffic")) {
return;
}
-
- if (_zoom > SHOW_DETAIL_ZOOM) {
+
+ if (_cachedZoom > SHOW_DETAIL_ZOOM) {
return;
}
-
+
const SGPropertyNode* ai = fgGetNode("/ai/models", true);
for (int i = 0; i < ai->nChildren(); ++i) {
const SGPropertyNode *model = ai->getChild(i);
// skip bad or dead entries
- if (!model || model->getIntValue("id", -1) < 0) {
+ if (!model || model->getIntValue("id", -1) == -1) {
continue;
}
model->getDoubleValue("position/longitude-deg"),
model->getDoubleValue("position/latitude-deg"),
model->getDoubleValue("position/altitude-ft"));
-
+
double dist = SGGeodesy::distanceNm(_projectionCenter, pos);
if (dist > _drawRangeNm) {
continue;
}
-
+
double heading = model->getDoubleValue("orientation/true-heading-deg");
- if ((name == "aircraft") || (name == "multiplayer") ||
+ if ((name == "aircraft") || (name == "multiplayer") ||
(name == "wingman") || (name == "tanker")) {
drawAIAircraft(model, pos, heading);
} else if ((name == "ship") || (name == "carrier") || (name == "escort")) {
glColor3f(0.0, 0.0, 0.0);
glLineWidth(2.0);
circleAt(p, 4, 6.0); // black diamond
-
+
// draw heading vector
int speedKts = static_cast<int>(model->getDoubleValue("velocities/true-airspeed-kt"));
if (speedKts > 1) {
const double dt = 15.0 / (3600.0); // 15 seconds look-ahead
double distanceM = speedKts * SG_NM_TO_METER * dt;
-
+
SGGeod advance;
double az2;
SGGeodesy::direct(pos, hdg, distanceM, advance, az2);
-
+
drawLine(p, project(advance));
}
-
- if (validDataForKey((void*) model)) {
- setAnchorForKey((void*) model, p);
- return;
- }
-
- // draw callsign / altitude / speed
-
+
+ // draw callsign / altitude / speed
char buffer[1024];
::snprintf(buffer, 1024, "%s\n%d'\n%dkts",
model->getStringValue("callsign", "<>"),
static_cast<int>(pos.getElevationFt() / 50.0) * 50,
speedKts);
-
- MapData* d = createDataForKey((void*) model);
+
+ MapData* d = getOrCreateDataForKey((void*) model);
d->setText(buffer);
d->setLabel(model->getStringValue("callsign", "<>"));
d->setPriority(speedKts > 5 ? 60 : 10); // low priority for parked aircraft
void MapWidget::drawAIShip(const SGPropertyNode* model, const SGGeod& pos, double hdg)
{
+ SGVec2d p = project(pos);
+
+ glColor3f(0.0, 0.0, 0.5);
+ glLineWidth(2.0);
+ circleAt(p, 4, 6.0); // blue diamond (to differentiate from aircraft.
+
+// draw heading vector
+ int speedKts = static_cast<int>(model->getDoubleValue("velocities/speed-kts"));
+ if (speedKts > 1) {
+ glLineWidth(1.0);
+
+ const double dt = 15.0 / (3600.0); // 15 seconds look-ahead
+ double distanceM = speedKts * SG_NM_TO_METER * dt;
+
+ SGGeod advance;
+ double az2;
+ SGGeodesy::direct(pos, hdg, distanceM, advance, az2);
+
+ drawLine(p, project(advance));
+ }
+ // draw callsign / speed
+ char buffer[1024];
+ ::snprintf(buffer, 1024, "%s\n%dkts",
+ model->getStringValue("name", "<>"),
+ speedKts);
+
+ MapData* d = getOrCreateDataForKey((void*) model);
+ d->setText(buffer);
+ d->setLabel(model->getStringValue("name", "<>"));
+ d->setPriority(speedKts > 2 ? 30 : 10); // low priority for slow moving ships
+ d->setOffset(MapData::VALIGN_CENTER | MapData::HALIGN_LEFT, 10);
+ d->setAnchor(p);
}
SGVec2d MapWidget::project(const SGGeod& geod) const
{
- // Sanson-Flamsteed projection, relative to the projection center
+ SGVec2d p;
double r = earth_radius_lat(geod.getLatitudeRad());
- double lonDiff = geod.getLongitudeRad() - _projectionCenter.getLongitudeRad(),
- latDiff = geod.getLatitudeRad() - _projectionCenter.getLatitudeRad();
- SGVec2d p = SGVec2d(cos(geod.getLatitudeRad()) * lonDiff, latDiff) * r * currentScale();
+ if (_orthoAzimuthProject) {
+ // http://mathworld.wolfram.com/OrthographicProjection.html
+ double cosTheta = cos(geod.getLatitudeRad());
+ double sinDLambda = sin(geod.getLongitudeRad() - _projectionCenter.getLongitudeRad());
+ double cosDLambda = cos(geod.getLongitudeRad() - _projectionCenter.getLongitudeRad());
+ double sinTheta1 = sin(_projectionCenter.getLatitudeRad());
+ double sinTheta = sin(geod.getLatitudeRad());
+ double cosTheta1 = cos(_projectionCenter.getLatitudeRad());
+
+ p = SGVec2d(cosTheta * sinDLambda,
+ (cosTheta1 * sinTheta) - (sinTheta1 * cosTheta * cosDLambda)) * r * currentScale();
+
+ } else {
+ // Sanson-Flamsteed projection, relative to the projection center
+ double lonDiff = geod.getLongitudeRad() - _projectionCenter.getLongitudeRad(),
+ latDiff = geod.getLatitudeRad() - _projectionCenter.getLatitudeRad();
+
+ p = SGVec2d(cos(geod.getLatitudeRad()) * lonDiff, latDiff) * r * currentScale();
+
+ }
// rotate as necessary
- double cost = cos(_upHeading * SG_DEGREES_TO_RADIANS),
+ double cost = cos(_upHeading * SG_DEGREES_TO_RADIANS),
sint = sin(_upHeading * SG_DEGREES_TO_RADIANS);
double rx = cost * p.x() - sint * p.y();
double ry = sint * p.x() + cost * p.y();
SGGeod MapWidget::unproject(const SGVec2d& p) const
{
// unrotate, if necessary
- double cost = cos(-_upHeading * SG_DEGREES_TO_RADIANS),
+ double cost = cos(-_upHeading * SG_DEGREES_TO_RADIANS),
sint = sin(-_upHeading * SG_DEGREES_TO_RADIANS);
- SGVec2d ur(cost * p.x() - sint * p.y(),
+ SGVec2d ur(cost * p.x() - sint * p.y(),
sint * p.x() + cost * p.y());
-
+
double r = earth_radius_lat(_projectionCenter.getLatitudeRad());
SGVec2d unscaled = ur * (1.0 / (currentScale() * r));
-
- double lat = unscaled.y() + _projectionCenter.getLatitudeRad();
- double lon = (unscaled.x() / cos(lat)) + _projectionCenter.getLongitudeRad();
-
- return SGGeod::fromRad(lon, lat);
+
+ if (_orthoAzimuthProject) {
+ double phi = length(p);
+ double c = asin(phi);
+ double sinTheta1 = sin(_projectionCenter.getLatitudeRad());
+ double cosTheta1 = cos(_projectionCenter.getLatitudeRad());
+
+ double lat = asin(cos(c) * sinTheta1 + ((unscaled.y() * sin(c) * cosTheta1) / phi));
+ double lon = _projectionCenter.getLongitudeRad() +
+ atan((unscaled.x()* sin(c)) / (phi * cosTheta1 * cos(c) - unscaled.y() * sinTheta1 * sin(c)));
+ return SGGeod::fromRad(lon, lat);
+ } else {
+ double lat = unscaled.y() + _projectionCenter.getLatitudeRad();
+ double lon = (unscaled.x() / cos(lat)) + _projectionCenter.getLongitudeRad();
+ return SGGeod::fromRad(lon, lat);
+ }
}
double MapWidget::currentScale() const
{
- return 1.0 / pow(2.0, _zoom);
+ return 1.0 / pow(2.0, _cachedZoom);
}
void MapWidget::circleAt(const SGVec2d& center, int nSides, double r)
std::vector<std::string> lines(simgear::strutils::split(t, "\n"));
const int LINE_LEADING = 4;
const int MARGIN = 4;
-
+
// measure
int maxWidth = -1, totalHeight = 0;
int lineHeight = legendFont.getStringHeight();
-
+
for (unsigned int ln=0; ln<lines.size(); ++ln) {
totalHeight += lineHeight;
if (ln > 0) {
totalHeight += LINE_LEADING;
}
-
+
int lw = legendFont.getStringWidth(lines[ln].c_str());
maxWidth = std::max(maxWidth, lw);
} // of line measurement
-
+
if (maxWidth < 0) {
return; // all lines are empty, don't draw
}
-
+
totalHeight += MARGIN * 2;
// draw box
box.max[1] = 0;
int border = 1;
box.draw (pos.x(), pos.y(), PUSTYLE_DROPSHADOW, colour, FALSE, border);
-
+
// draw lines
int xPos = pos.x() + MARGIN;
int yPos = pos.y() - (lineHeight + MARGIN);
glColor3f(0.8, 0.8, 0.8);
-
+
for (unsigned int ln=0; ln<lines.size(); ++ln) {
legendFont.drawString(lines[ln].c_str(), xPos, yPos);
yPos -= lineHeight + LINE_LEADING;
void MapWidget::drawData()
{
std::sort(_dataQueue.begin(), _dataQueue.end(), MapData::order);
-
- int hw = _width >> 1,
+
+ int hw = _width >> 1,
hh = _height >> 1;
puBox visBox(makePuBox(-hw, -hh, _width, _height));
-
+
unsigned int d = 0;
int drawn = 0;
std::vector<MapData*> drawQueue;
-
+
bool drawData = _root->getBoolValue("draw-data");
const int MAX_DRAW_DATA = 25;
const int MAX_DRAW = 50;
-
+
for (; (d < _dataQueue.size()) && (drawn < MAX_DRAW); ++d) {
MapData* md = _dataQueue[d];
md->setDataVisible(drawData);
-
+
if (md->isClipped(visBox)) {
continue;
}
-
+
if (md->overlaps(drawQueue)) {
if (drawData) { // overlapped with data, let's try just the label
md->setDataVisible(false);
continue;
}
} // of overlaps case
-
+
drawQueue.push_back(md);
++drawn;
if (drawData && (drawn >= MAX_DRAW_DATA)) {
drawData = false;
}
}
-
+
// draw lowest-priority first, so higher-priorty items appear on top
std::vector<MapData*>::reverse_iterator r;
for (r = drawQueue.rbegin(); r!= drawQueue.rend(); ++r) {
(*r)->draw();
}
-
+
_dataQueue.clear();
KeyDataMap::iterator it = _mapData.begin();
for (; it != _mapData.end(); ) {
if (it == _mapData.end()) {
return false; // no valid data for the key!
}
-
+
it->second->resetAge(); // mark data as valid this frame
_dataQueue.push_back(it->second);
return true;
if (it == _mapData.end()) {
throw sg_exception("no valid data for key!");
}
-
+
it->second->setAnchor(anchor);
}
if (it == _mapData.end()) {
return createDataForKey(key);
}
-
+
it->second->resetAge(); // mark data as valid this frame
_dataQueue.push_back(it->second);
return it->second;
if (it != _mapData.end()) {
throw sg_exception("duplicate data requested for key!");
}
-
+
MapData* d = new MapData(0);
_mapData[key] = d;
_dataQueue.push_back(d);
d->resetAge();
return d;
}
+
+void MapWidget::clearData()
+{
+ KeyDataMap::iterator it = _mapData.begin();
+ for (; it != _mapData.end(); ++it) {
+ delete it->second;
+ }
+
+ _mapData.clear();
+}
+
+int MapWidget::displayHeading(double h) const
+{
+ if (_magneticHeadings) {
+ h -= _magVar->get_magvar() * SG_RADIANS_TO_DEGREES;
+ }
+
+ SG_NORMALIZE_RANGE(h, 0.0, 360.0);
+ return SGMiscd::roundToInt(h);
+}
projects / flightgear.git / blobdiff