2053 lines
52 KiB
C++
2053 lines
52 KiB
C++
#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#include "MapWidget.hxx"
|
|
|
|
#include <sstream>
|
|
#include <algorithm> // for std::sort
|
|
#include <plib/puAux.h>
|
|
|
|
#include <simgear/sg_inlines.h>
|
|
#include <simgear/misc/strutils.hxx>
|
|
#include <simgear/magvar/magvar.hxx>
|
|
#include <simgear/timing/sg_time.hxx> // for magVar julianDate
|
|
#include <simgear/structure/exception.hxx>
|
|
|
|
#include <Main/globals.hxx>
|
|
#include <Main/fg_props.hxx>
|
|
#include <Autopilot/route_mgr.hxx>
|
|
#include <Navaids/positioned.hxx>
|
|
#include <Navaids/navrecord.hxx>
|
|
#include <Navaids/navlist.hxx>
|
|
#include <Navaids/fix.hxx>
|
|
#include <Airports/airport.hxx>
|
|
#include <Airports/runways.hxx>
|
|
#include <Main/fg_os.hxx> // fgGetKeyModifiers()
|
|
#include <Navaids/routePath.hxx>
|
|
#include <Aircraft/FlightHistory.hxx>
|
|
#include <AIModel/AIAircraft.hxx>
|
|
#include <AIModel/AIManager.hxx>
|
|
#include <AIModel/AIFlightPlan.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
|
|
(translated more or less directly from Alexei Novikovs perl original)
|
|
*************************************************************************/
|
|
|
|
//Returns Earth radius at a given latitude (Ellipsoide equation with two equal axis)
|
|
static float earth_radius_lat( float lat )
|
|
{
|
|
double a = cos(lat)/rec;
|
|
double b = sin(lat)/rpol;
|
|
return 1.0f / sqrt( a * a + b * b );
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
|
|
static puBox makePuBox(int x, int y, int w, int h)
|
|
{
|
|
puBox r;
|
|
r.min[0] = x;
|
|
r.min[1] = y;
|
|
r.max[0] = x + w;
|
|
r.max[1] = y + h;
|
|
return r;
|
|
}
|
|
|
|
static bool puBoxIntersect(const puBox& a, const puBox& b)
|
|
{
|
|
int x0 = SG_MAX2(a.min[0], b.min[0]);
|
|
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);
|
|
}
|
|
|
|
class MapData;
|
|
typedef std::vector<MapData*> MapDataVec;
|
|
|
|
class MapData
|
|
{
|
|
public:
|
|
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),
|
|
_priority(priority),
|
|
_width(0),
|
|
_height(0),
|
|
_offsetDir(HALIGN_LEFT | VALIGN_CENTER),
|
|
_offsetPx(10),
|
|
_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.y() + _offset.y(),
|
|
_width, _height);
|
|
}
|
|
|
|
void drawStringUtf8(std::string& utf8Str, double x, double y, puFont fnt)
|
|
{
|
|
fnt.drawString(simgear::strutils::utf8ToLatin1(utf8Str).c_str(), x, y);
|
|
}
|
|
|
|
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) {
|
|
drawStringUtf8(_lines[ln], xPos, yPos, _font);
|
|
yPos -= lineHeight + LINE_LEADING;
|
|
}
|
|
} else {
|
|
glColor3f(0.8, 0.8, 0.8);
|
|
drawStringUtf8(_label, xx, yy + _fontDescender, _font);
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
private:
|
|
void validate() const
|
|
{
|
|
if (!_dirtyText) {
|
|
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;
|
|
std::string _rawText;
|
|
std::string _label;
|
|
mutable std::vector<std::string> _lines;
|
|
int _priority;
|
|
mutable int _width, _height;
|
|
SGVec2d _anchor;
|
|
int _offsetDir;
|
|
int _offsetPx;
|
|
mutable SGVec2d _offset;
|
|
bool _dataVisible;
|
|
|
|
static puFont _font;
|
|
static puColor* _palette;
|
|
static int _fontHeight;
|
|
static int _fontDescender;
|
|
};
|
|
|
|
puFont MapData::_font;
|
|
puColor* MapData::_palette;
|
|
int MapData::_fontHeight = 0;
|
|
int MapData::_fontDescender = 0;
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
|
|
// anonymous namespace
|
|
namespace
|
|
{
|
|
|
|
class MapAirportFilter : public FGAirport::AirportFilter
|
|
{
|
|
public:
|
|
MapAirportFilter(SGPropertyNode_ptr nd) :
|
|
_heliports(nd->getBoolValue("draw-heliports", false)),
|
|
_hardRunwaysOnly( nd->getBoolValue("hard-surfaced-airports", true)),
|
|
_minLengthFt(fgGetDouble("/sim/navdb/min-runway-length-ft", 2000))
|
|
{
|
|
}
|
|
|
|
FGPositioned::Type maxType() const override
|
|
{
|
|
return _heliports ? FGPositioned::HELIPORT : FGPositioned::AIRPORT;
|
|
}
|
|
|
|
FGPositioned::Type minType() const override
|
|
{
|
|
return FGPositioned::AIRPORT;
|
|
}
|
|
|
|
bool passAirport(FGAirport* aApt) const override
|
|
{
|
|
if (_hardRunwaysOnly && !aApt->isHeliport()) {
|
|
return aApt->hasHardRunwayOfLengthFt(_minLengthFt);
|
|
}
|
|
return (aApt->type() <= maxType()) && (aApt->type() >= minType());
|
|
}
|
|
|
|
void showAll()
|
|
{
|
|
_hardRunwaysOnly = false;
|
|
}
|
|
|
|
private:
|
|
const bool _heliports;
|
|
bool _hardRunwaysOnly;
|
|
const double _minLengthFt;
|
|
};
|
|
|
|
class NavaidFilter : public FGPositioned::Filter
|
|
{
|
|
public:
|
|
NavaidFilter(bool fixesEnabled, bool navaidsEnabled) :
|
|
_fixes(fixesEnabled),
|
|
_navaids(navaidsEnabled)
|
|
{}
|
|
|
|
virtual bool pass(FGPositioned* aPos) const {
|
|
if (_fixes && (aPos->type() == FGPositioned::FIX)) {
|
|
// ignore fixes which end in digits - expirmental
|
|
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::NDB;
|
|
}
|
|
|
|
virtual FGPositioned::Type maxType() const {
|
|
return _navaids ? FGPositioned::VOR : FGPositioned::FIX;
|
|
}
|
|
|
|
private:
|
|
bool _fixes, _navaids;
|
|
};
|
|
|
|
} // of anonymous namespace
|
|
|
|
const int MAX_ZOOM = 12;
|
|
const int SHOW_DETAIL_ZOOM = 8;
|
|
const int SHOW_DETAIL2_ZOOM = 5;
|
|
const int CURSOR_PAN_STEP = 32;
|
|
|
|
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");
|
|
|
|
_width = maxX - x;
|
|
_height = maxY - y;
|
|
_hasPanned = false;
|
|
_projection = PROJECTION_AZIMUTHAL_EQUIDISTANT;
|
|
_magneticHeadings = 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("draw-flight-history", false);
|
|
_root->setBoolValue("magnetic-headings", true);
|
|
}
|
|
|
|
void MapWidget::setSize(int w, int h)
|
|
{
|
|
puObject::setSize(w, h);
|
|
|
|
_width = w;
|
|
_height = h;
|
|
|
|
}
|
|
|
|
void MapWidget::doHit( int button, int updown, int x, int y )
|
|
{
|
|
puObject::doHit(button, updown, x, y);
|
|
if (updown == PU_DRAG) {
|
|
handlePan(x, y);
|
|
return;
|
|
}
|
|
if (updown == PU_DOWN)
|
|
{
|
|
if (button == 3) { // mouse-wheel up
|
|
zoomIn();
|
|
}
|
|
else if (button == 4) { // mouse-wheel down
|
|
zoomOut();
|
|
}
|
|
}
|
|
_hitLocation = SGVec2d(x - abox.min[0], y - abox.min[1]);
|
|
if ((button == 2) && (updown == PU_DOWN)) {
|
|
_clickGeod = unproject(_hitLocation - SGVec2d(_width>>1, _height>>1));
|
|
}
|
|
|
|
if (button != active_mouse_button) {
|
|
return;
|
|
}
|
|
|
|
if (updown == PU_UP) {
|
|
puDeactivateWidget();
|
|
} else if (updown == PU_DOWN) {
|
|
puSetActiveWidget(this, x, y);
|
|
}
|
|
}
|
|
|
|
void MapWidget::handlePan(int x, int y)
|
|
{
|
|
SGVec2d delta = SGVec2d(x, y) - _hitLocation;
|
|
pan(delta);
|
|
_hitLocation = SGVec2d(x,y);
|
|
}
|
|
|
|
int MapWidget::checkKey (int key, int updown )
|
|
{
|
|
if ((updown == PU_UP) || !isVisible () || !isActive () || (window != puGetWindow())) {
|
|
return FALSE ;
|
|
}
|
|
|
|
switch (key)
|
|
{
|
|
|
|
case PU_KEY_UP:
|
|
pan(SGVec2d(0, -CURSOR_PAN_STEP));
|
|
break;
|
|
|
|
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;
|
|
}
|
|
|
|
return TRUE ;
|
|
}
|
|
|
|
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() >= MAX_ZOOM) {
|
|
return;
|
|
}
|
|
|
|
_root->setIntValue("zoom", zoom() + 1);
|
|
}
|
|
|
|
void MapWidget::zoomOut()
|
|
{
|
|
if (zoom() <= 0) {
|
|
return;
|
|
}
|
|
|
|
_root->setIntValue("zoom", zoom() - 1);
|
|
}
|
|
|
|
void MapWidget::update()
|
|
{
|
|
_aircraft = globals->get_aircraft_position();
|
|
|
|
bool mag = _root->getBoolValue("magnetic-headings");
|
|
if (mag != _magneticHeadings) {
|
|
clearData(); // flush cached data text, since it often includes heading
|
|
_magneticHeadings = mag;
|
|
}
|
|
|
|
if (_hasPanned) {
|
|
_root->setBoolValue("centre-on-aircraft", false);
|
|
_hasPanned = false;
|
|
}
|
|
else if (_root->getBoolValue("centre-on-aircraft")) {
|
|
_projectionCenter = _aircraft;
|
|
}
|
|
|
|
double julianDate = globals->get_time_params()->getJD();
|
|
_magVar->update(_projectionCenter, julianDate);
|
|
|
|
_aircraftUp = _root->getBoolValue("aircraft-heading-up");
|
|
if (_aircraftUp) {
|
|
_upHeading = fgGetDouble("/orientation/heading-deg");
|
|
} else {
|
|
_upHeading = 0.0;
|
|
}
|
|
|
|
if (_magneticHeadings) {
|
|
_displayHeading = (int) fgGetDouble("/orientation/heading-magnetic-deg");
|
|
} else {
|
|
_displayHeading = (int) _upHeading;
|
|
}
|
|
|
|
_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;
|
|
|
|
FGFlightHistory* history = (FGFlightHistory*) globals->get_subsystem("history");
|
|
if (history && _root->getBoolValue("draw-flight-history")) {
|
|
_flightHistoryPath = history->pathForHistory();
|
|
} else {
|
|
_flightHistoryPath.clear();
|
|
}
|
|
|
|
// make spatial queries. This can trigger loading of XML files, etc, so we do
|
|
// not want to do it in draw(), which can be called from an arbitrary OSG
|
|
// rendering thread.
|
|
|
|
MapAirportFilter af(_root);
|
|
if (_cachedZoom <= SHOW_DETAIL2_ZOOM) {
|
|
// show all airports when zoomed in sufficently
|
|
af.showAll();
|
|
}
|
|
|
|
bool partial = false;
|
|
FGPositionedList newItemsToDraw =
|
|
FGPositioned::findWithinRangePartial(_projectionCenter, _drawRangeNm, &af, partial);
|
|
|
|
bool fixes = _root->getBoolValue("draw-fixes");
|
|
NavaidFilter f(fixes, _root->getBoolValue("draw-navaids"));
|
|
if (f.minType() <= f.maxType()) {
|
|
FGPositionedList navs = FGPositioned::findWithinRange(_projectionCenter, _drawRangeNm, &f);
|
|
newItemsToDraw.insert(newItemsToDraw.end(), navs.begin(), navs.end());
|
|
}
|
|
|
|
FGPositioned::TypeFilter tf(FGPositioned::COUNTRY);
|
|
if (_cachedZoom <= SHOW_DETAIL_ZOOM) {
|
|
tf.addType(FGPositioned::CITY);
|
|
}
|
|
|
|
if (_cachedZoom <= SHOW_DETAIL2_ZOOM) {
|
|
tf.addType(FGPositioned::TOWN);
|
|
}
|
|
|
|
FGPositionedList poi = FGPositioned::findWithinRange(_projectionCenter, _drawRangeNm, &tf);
|
|
newItemsToDraw.insert(newItemsToDraw.end(), poi.begin(), poi.end());
|
|
|
|
_itemsToDraw.swap(newItemsToDraw);
|
|
|
|
updateAIObjects();
|
|
}
|
|
|
|
void MapWidget::updateAIObjects()
|
|
{
|
|
if (!_root->getBoolValue("draw-traffic") || (_cachedZoom > SHOW_DETAIL_ZOOM)) {
|
|
_aiDrawVec.clear();
|
|
return;
|
|
}
|
|
|
|
AIDrawVec newDrawVec;
|
|
|
|
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) == -1) {
|
|
continue;
|
|
}
|
|
|
|
SGGeod pos = SGGeod::fromDegFt(
|
|
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;
|
|
}
|
|
|
|
newDrawVec.push_back(DrawAIObject((SGPropertyNode*) model, pos));
|
|
} // of ai/models iteration
|
|
|
|
_aiDrawVec.swap(newDrawVec);
|
|
}
|
|
|
|
void MapWidget::draw(int dx, int dy)
|
|
{
|
|
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();
|
|
// center 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));
|
|
|
|
double y = (_height / 2) - textHeight;
|
|
char buf[16];
|
|
::snprintf(buf, 16, "%d", _displayHeading);
|
|
int sw = legendFont.getStringWidth(buf);
|
|
legendFont.drawString(buf, loc.x() - sw/2, y);
|
|
}
|
|
|
|
drawPositioned();
|
|
drawTraffic();
|
|
drawGPSData();
|
|
drawNavRadio(fgGetNode("/instrumentation/nav[0]", false));
|
|
drawNavRadio(fgGetNode("/instrumentation/nav[1]", false));
|
|
paintAircraftLocation(_aircraft);
|
|
drawFlightHistory();
|
|
paintRoute();
|
|
paintRuler();
|
|
|
|
drawData();
|
|
|
|
glPopMatrix();
|
|
glDisable(GL_SCISSOR_TEST);
|
|
}
|
|
|
|
void MapWidget::paintRuler()
|
|
{
|
|
if (_clickGeod == SGGeod()) {
|
|
return;
|
|
}
|
|
|
|
SGVec2d acftPos = project(_aircraft);
|
|
SGVec2d clickPos = project(_clickGeod);
|
|
|
|
glColor3f(0.0, 1.0, 1.0);
|
|
drawLine(acftPos, clickPos);
|
|
|
|
circleAtAlt(clickPos, 8, 10, 5);
|
|
|
|
double dist, az, az2;
|
|
SGGeodesy::inverse(_aircraft, _clickGeod, az, az2, dist);
|
|
char buffer[1024];
|
|
::snprintf(buffer, 1024, "%03d/%.1fnm",
|
|
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);
|
|
glColor3f(1.0, 1.0, 0.0);
|
|
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->numWaypts() < 2) {
|
|
return;
|
|
}
|
|
|
|
RoutePath path(_route->flightPlan());
|
|
|
|
// first pass, draw the actual lines
|
|
glLineWidth(2.0);
|
|
|
|
for (int w=0; w<_route->numWaypts(); ++w) {
|
|
SGGeodVec gv(path.pathForIndex(w));
|
|
if (gv.empty()) {
|
|
continue;
|
|
}
|
|
|
|
if (w < _route->currentIndex()) {
|
|
glColor3f(0.5, 0.5, 0.5);
|
|
} else {
|
|
glColor3f(1.0, 0.0, 1.0);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
glLineWidth(1.0);
|
|
// second pass, draw waypoint symbols and data
|
|
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);
|
|
glColor3f(1.0, 0.0, 1.0);
|
|
circleAtAlt(p, 8, 12, 5);
|
|
|
|
std::ostringstream legend;
|
|
legend << wpt->ident();
|
|
if (wpt->altitudeRestriction() != flightgear::RESTRICT_NONE) {
|
|
legend << '\n' << SGMiscd::roundToInt(wpt->altitudeFt()) << '\'';
|
|
}
|
|
|
|
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->ident());
|
|
d->setAnchor(p);
|
|
d->setOffset(MapData::VALIGN_TOP | MapData::HALIGN_CENTER, 15);
|
|
d->setPriority(w < _route->currentIndex() ? 9000 : 12000);
|
|
|
|
} // of second waypoint iteration
|
|
}
|
|
|
|
void MapWidget::drawFlightHistory()
|
|
{
|
|
if (_flightHistoryPath.empty())
|
|
return;
|
|
|
|
// first pass, draw the actual lines
|
|
glLineWidth(2.0);
|
|
|
|
glColor3f(0.0, 0.0, 1.0);
|
|
|
|
glBegin(GL_LINE_STRIP);
|
|
for (unsigned int i=0; i<_flightHistoryPath.size(); ++i) {
|
|
SGVec2d p = project(_flightHistoryPath[i]);
|
|
glVertex2d(p.x(), p.y());
|
|
}
|
|
|
|
glEnd();
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
static SGGeod roundGeod(double precision, const SGGeod& g)
|
|
{
|
|
double lon = SGMiscd::round(g.getLongitudeDeg() / precision);
|
|
double lat = SGMiscd::round(g.getLatitudeDeg() / precision);
|
|
|
|
return SGGeod::fromDeg(lon * precision, lat * precision);
|
|
}
|
|
|
|
bool MapWidget::drawLineClipped(const SGVec2d& a, const SGVec2d& b)
|
|
{
|
|
double minX = SGMiscd::min(a.x(), b.x()),
|
|
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;
|
|
}
|
|
|
|
SGVec2d MapWidget::gridPoint(int ix, int iy)
|
|
{
|
|
int key = (ix + 0x7fff) | ((iy + 0x7fff) << 16);
|
|
GridPointCache::iterator it = _gridCache.find(key);
|
|
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;
|
|
}
|
|
|
|
void MapWidget::drawLatLonGrid()
|
|
{
|
|
// Larger grid spacing when zoomed out, to prevent clutter
|
|
if (_cachedZoom < SHOW_DETAIL_ZOOM) {
|
|
_gridSpacing = 1.0;
|
|
} else {
|
|
_gridSpacing = 5.0;
|
|
}
|
|
|
|
_gridCenter = roundGeod(_gridSpacing, _projectionCenter);
|
|
_gridCache.clear();
|
|
|
|
int ix = 0;
|
|
int iy = 0;
|
|
|
|
glColor3f(0.8, 0.8, 0.8);
|
|
glBegin(GL_LINES);
|
|
bool didDraw;
|
|
do {
|
|
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));
|
|
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 > (90/_gridSpacing)-1) {
|
|
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]/latitude-deg"));
|
|
|
|
SGGeod wp1Geod = SGGeod::fromDeg(
|
|
_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);
|
|
|
|
glColor3f(1.0, 1.0, 0.0);
|
|
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);
|
|
|
|
glColor3f(1.0, 0.0, 1.0);
|
|
drawLine(wp0Pos, wp1Pos);
|
|
|
|
}
|
|
|
|
if (_gps->getBoolValue("scratch/valid")) {
|
|
// draw scratch data
|
|
|
|
}
|
|
}
|
|
|
|
void MapWidget::drawPositioned()
|
|
{
|
|
for (unsigned int i=0; i<_itemsToDraw.size(); ++i) {
|
|
FGPositionedRef p = _itemsToDraw[i];
|
|
switch (p->type()) {
|
|
case FGPositioned::AIRPORT:
|
|
drawAirport(fgpositioned_cast<FGAirport>(p));
|
|
break;
|
|
case FGPositioned::HELIPORT:
|
|
drawHeliport(fgpositioned_cast<FGAirport>(p));
|
|
break;
|
|
case FGPositioned::NDB:
|
|
drawNDB(false, fgpositioned_cast<FGNavRecord>(p));
|
|
break;
|
|
case FGPositioned::VOR:
|
|
drawVOR(false, fgpositioned_cast<FGNavRecord>(p));
|
|
break;
|
|
case FGPositioned::FIX:
|
|
drawFix(fgpositioned_cast<FGFix>(p));
|
|
break;
|
|
case FGPositioned::TOWN:
|
|
case FGPositioned::CITY:
|
|
case FGPositioned::COUNTRY:
|
|
drawPOI(p);
|
|
break;
|
|
|
|
default:
|
|
SG_LOG(SG_GENERAL, SG_WARN, "unhandled type in MapWidget::drawPositioned");
|
|
} // of positioned type switch
|
|
} // of items to draw iteration
|
|
}
|
|
|
|
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());
|
|
d->setText(buffer);
|
|
d->setOffset(MapData::HALIGN_CENTER | MapData::VALIGN_BOTTOM, 10);
|
|
d->setAnchor(pos);
|
|
|
|
}
|
|
|
|
void MapWidget::drawVOR(bool tuned, FGNavRecord* vor)
|
|
{
|
|
SGVec2d pos = project(vor->geod());
|
|
if (tuned) {
|
|
glColor3f(0.0, 1.0, 1.0);
|
|
} else {
|
|
glColor3f(0.0, 0.0, 1.0);
|
|
}
|
|
|
|
circleAt(pos, 6, 9);
|
|
circleAt(pos, 8, 1);
|
|
|
|
if (vor->hasDME())
|
|
squareAt(pos, 9);
|
|
|
|
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());
|
|
d->setPriority(tuned ? 10000 : 100);
|
|
d->setOffset(MapData::HALIGN_CENTER | MapData::VALIGN_BOTTOM, 12);
|
|
d->setAnchor(pos);
|
|
}
|
|
|
|
void MapWidget::drawFix(FGFix* fix)
|
|
{
|
|
SGVec2d pos = project(fix->geod());
|
|
glColor3f(0.0, 0.0, 0.0);
|
|
circleAt(pos, 3, 6);
|
|
|
|
if (_cachedZoom > SHOW_DETAIL_ZOOM) {
|
|
return; // hide fix labels beyond a certain zoom level
|
|
}
|
|
|
|
if (validDataForKey(fix)) {
|
|
setAnchorForKey(fix, pos);
|
|
return;
|
|
}
|
|
|
|
MapData* d = createDataForKey(fix);
|
|
d->setLabel(fix->ident());
|
|
d->setPriority(20);
|
|
d->setOffset(MapData::VALIGN_CENTER | MapData::HALIGN_LEFT, 10);
|
|
d->setAnchor(pos);
|
|
}
|
|
|
|
void MapWidget::drawNavRadio(SGPropertyNode_ptr radio)
|
|
{
|
|
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 = 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 = 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());
|
|
}
|
|
}
|
|
|
|
void MapWidget::drawPOI(FGPositioned* poi)
|
|
{
|
|
SGVec2d pos = project(poi->geod());
|
|
glColor3f(1.0, 1.0, 0.0);
|
|
glLineWidth(1.0);
|
|
|
|
int radius = 10;
|
|
if (poi->type() == FGPositioned::CITY) {
|
|
radius = 8;
|
|
glColor3f(0.0, 1.0, 0.0);
|
|
} else if (poi->type() == FGPositioned::TOWN) {
|
|
radius = 5;
|
|
glColor3f(0.2, 1.0, 0.0);
|
|
}
|
|
|
|
circleAt(pos, 4, radius);
|
|
|
|
if (validDataForKey(poi)) {
|
|
setAnchorForKey(poi, pos);
|
|
return;
|
|
}
|
|
|
|
char buffer[1024];
|
|
::snprintf(buffer, 1024, "%s",
|
|
poi->name().c_str());
|
|
|
|
MapData* d = createDataForKey(poi);
|
|
d->setPriority(200);
|
|
d->setLabel(poi->ident());
|
|
d->setText(buffer);
|
|
d->setOffset(MapData::HALIGN_CENTER | MapData::VALIGN_BOTTOM, 10);
|
|
d->setAnchor(pos);
|
|
}
|
|
|
|
/*
|
|
void MapWidget::drawObstacle(FGPositioned* obs)
|
|
{
|
|
SGVec2d pos = project(obs->geod());
|
|
glColor3f(0.0, 0.0, 0.0);
|
|
glLineWidth(2.0);
|
|
drawLine(pos, pos + SGVec2d());
|
|
}
|
|
*/
|
|
|
|
void MapWidget::drawAirport(FGAirport* apt)
|
|
{
|
|
// draw tower location
|
|
SGVec2d towerPos = project(apt->getTowerLocation());
|
|
|
|
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 {
|
|
char buffer[1024];
|
|
::snprintf(buffer, 1024, "%s\n%s",
|
|
apt->ident().c_str(), apt->name().c_str());
|
|
|
|
MapData* d = createDataForKey(apt);
|
|
d->setText(buffer);
|
|
d->setLabel(apt->ident());
|
|
d->setPriority(100 + scoreAirportRunways(apt));
|
|
d->setOffset(MapData::VALIGN_TOP | MapData::HALIGN_CENTER, 6);
|
|
d->setAnchor(towerPos);
|
|
}
|
|
|
|
if (_cachedZoom > SHOW_DETAIL_ZOOM) {
|
|
return;
|
|
}
|
|
|
|
FGRunwayList runways(apt->getRunwaysWithoutReciprocals());
|
|
|
|
for (unsigned int r=0; r<runways.size(); ++r) {
|
|
drawRunwayPre(runways[r]);
|
|
}
|
|
|
|
for (unsigned int r=0; r<runways.size(); ++r) {
|
|
FGRunway* rwy = runways[r];
|
|
drawRunway(rwy);
|
|
|
|
if (rwy->ILS()) {
|
|
drawILS(false, rwy);
|
|
}
|
|
|
|
if (rwy->reciprocalRunway()) {
|
|
FGRunway* recip = rwy->reciprocalRunway();
|
|
if (recip->ILS()) {
|
|
drawILS(false, recip);
|
|
}
|
|
}
|
|
}
|
|
|
|
for (unsigned int r=0; r<apt->numHelipads(); ++r) {
|
|
FGHelipad* hp = apt->getHelipadByIndex(r);
|
|
drawHelipad(hp);
|
|
} // of runway iteration
|
|
|
|
}
|
|
|
|
|
|
void MapWidget::drawHeliport(FGAirport* apt)
|
|
{
|
|
SGVec2d pos = project(apt->geod());
|
|
glLineWidth(1.0);
|
|
glColor3f(1.0, 0.0, 1.0);
|
|
circleAt(pos, 16, 5.0);
|
|
|
|
if (validDataForKey(apt)) {
|
|
setAnchorForKey(apt, pos);
|
|
return;
|
|
}
|
|
|
|
MapData* d = createDataForKey(apt);
|
|
d->setLabel(apt->ident());
|
|
d->setPriority(40);
|
|
d->setOffset(MapData::VALIGN_CENTER | MapData::HALIGN_LEFT, 10);
|
|
d->setAnchor(pos);
|
|
|
|
}
|
|
|
|
|
|
int MapWidget::scoreAirportRunways(FGAirport* apt)
|
|
{
|
|
bool needHardSurface = _root->getBoolValue("hard-surfaced-airports", true);
|
|
double minLength = _root->getDoubleValue("min-runway-length-ft", 2000.0);
|
|
|
|
FGRunwayList runways(apt->getRunwaysWithoutReciprocals());
|
|
|
|
int score = 0;
|
|
for (unsigned int r=0; r<runways.size(); ++r) {
|
|
FGRunway* rwy = runways[r];
|
|
if (needHardSurface && !rwy->isHardSurface()) {
|
|
continue;
|
|
}
|
|
|
|
if (rwy->lengthFt() < minLength) {
|
|
continue;
|
|
}
|
|
|
|
int scoreLength = SGMiscd::roundToInt(rwy->lengthFt() / 200.0);
|
|
score += scoreLength;
|
|
} // of runways iteration
|
|
|
|
return score;
|
|
}
|
|
|
|
void MapWidget::drawRunwayPre(FGRunway* rwy)
|
|
{
|
|
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
|
|
// 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%03d/%03d\n%.0f'",
|
|
rwy->ident().c_str(),
|
|
rwy->reciprocalRunway()->ident().c_str(),
|
|
displayHeading(rwy->headingDeg()),
|
|
displayHeading(rwy->reciprocalRunway()->headingDeg()),
|
|
rwy->lengthFt());
|
|
|
|
MapData* d = createDataForKey(rwy);
|
|
d->setText(buffer);
|
|
d->setLabel(rwy->ident() + "/" + rwy->reciprocalRunway()->ident());
|
|
d->setPriority(50);
|
|
d->setOffset(MapData::HALIGN_CENTER | MapData::VALIGN_BOTTOM, 12);
|
|
d->setAnchor((p1 + p2) * 0.5);
|
|
}
|
|
|
|
void MapWidget::drawILS(bool tuned, FGRunway* rwy)
|
|
{
|
|
// arrow, tip centered on the landing threshold
|
|
// 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());
|
|
SGGeod locEnd;
|
|
double rangeM = loc->get_range() * SG_NM_TO_METER;
|
|
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) {
|
|
glColor3f(0.0, 1.0, 1.0);
|
|
} else {
|
|
glColor3f(0.0, 0.0, 1.0);
|
|
}
|
|
|
|
glBegin(GL_LINE_LOOP);
|
|
glVertex2dv(t.data());
|
|
glVertex2dv(endCentre.data());
|
|
glVertex2dv(endL.data());
|
|
glEnd();
|
|
glBegin(GL_LINE_LOOP);
|
|
glVertex2dv(t.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()
|
|
{
|
|
AIDrawVec::const_iterator it;
|
|
for (it = _aiDrawVec.begin(); it != _aiDrawVec.end(); ++it) {
|
|
drawAI(*it);
|
|
}
|
|
}
|
|
|
|
void MapWidget::drawHelipad(FGHelipad* hp)
|
|
{
|
|
SGVec2d pos = project(hp->geod());
|
|
glLineWidth(1.0);
|
|
glColor3f(1.0, 0.0, 1.0);
|
|
circleAt(pos, 16, 5.0);
|
|
|
|
if (validDataForKey(hp)) {
|
|
setAnchorForKey(hp, pos);
|
|
return;
|
|
}
|
|
|
|
char buffer[1024];
|
|
::snprintf(buffer, 1024, "%s\n%03d\n%.0f'",
|
|
hp->ident().c_str(),
|
|
displayHeading(hp->headingDeg()),
|
|
hp->lengthFt());
|
|
|
|
MapData* d = createDataForKey(hp);
|
|
d->setText(buffer);
|
|
d->setLabel(hp->ident());
|
|
d->setPriority(40);
|
|
d->setOffset(MapData::HALIGN_CENTER | MapData::VALIGN_BOTTOM, 8);
|
|
d->setAnchor(pos);
|
|
}
|
|
|
|
void MapWidget::drawAI(const DrawAIObject& dai)
|
|
{
|
|
SGVec2d p = project(dai.pos);
|
|
|
|
if (dai.boat) {
|
|
glColor3f(0.0, 0.0, 0.5);
|
|
|
|
} else {
|
|
glColor3f(0.0, 0.0, 0.0);
|
|
}
|
|
glLineWidth(2.0);
|
|
circleAt(p, 4, 6.0); // black diamond
|
|
|
|
// draw heading vector
|
|
if (dai.speedKts > 1) {
|
|
glLineWidth(1.0);
|
|
const double dt = 15.0 / (3600.0); // 15 seconds look-ahead
|
|
double distanceM = dai.speedKts * SG_NM_TO_METER * dt;
|
|
SGGeod advance = SGGeodesy::direct(dai.pos, dai.heading, distanceM);
|
|
drawLine(p, project(advance));
|
|
}
|
|
|
|
MapData* d = getOrCreateDataForKey((void*) dai.model);
|
|
d->setText(dai.legend);
|
|
d->setLabel(dai.label);
|
|
d->setPriority(dai.speedKts > 5 ? 60 : 10); // low priority for parked aircraft
|
|
d->setOffset(MapData::VALIGN_CENTER | MapData::HALIGN_LEFT, 10);
|
|
d->setAnchor(p);
|
|
}
|
|
|
|
SGVec2d MapWidget::project(const SGGeod& geod) const
|
|
{
|
|
SGVec2d p;
|
|
double r = earth_radius_lat(geod.getLatitudeRad());
|
|
|
|
switch (_projection) {
|
|
case PROJECTION_SAMSON_FLAMSTEED:
|
|
{
|
|
// 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();
|
|
break;
|
|
}
|
|
|
|
case PROJECTION_AZIMUTHAL_EQUIDISTANT:
|
|
{
|
|
// Azimuthal Equidistant projection, relative to the projection center
|
|
// http://www.globmaritime.com/martech/marine-navigation/general-concepts/626-azimuthal-equidistant-projection
|
|
double ref_lat = _projectionCenter.getLatitudeRad(),
|
|
ref_lon = _projectionCenter.getLongitudeRad(),
|
|
lat = geod.getLatitudeRad(),
|
|
lon = geod.getLongitudeRad(),
|
|
lonDiff = lon - ref_lon;
|
|
|
|
double c = acos( sin(ref_lat) * sin(lat) + cos(ref_lat) * cos(lat) * cos(lonDiff) );
|
|
if (c == 0.0){
|
|
// angular distance from center is 0
|
|
p= SGVec2d(0.0, 0.0);
|
|
break;
|
|
}
|
|
|
|
double k = c / sin(c);
|
|
double x, y;
|
|
if (ref_lat == (90 * SG_DEGREES_TO_RADIANS))
|
|
{
|
|
x = (SGD_PI / 2 - lat) * sin(lonDiff);
|
|
y = -(SGD_PI / 2 - lat) * cos(lonDiff);
|
|
}
|
|
else if (ref_lat == -(90 * SG_DEGREES_TO_RADIANS))
|
|
{
|
|
x = (SGD_PI / 2 + lat) * sin(lonDiff);
|
|
y = (SGD_PI / 2 + lat) * cos(lonDiff);
|
|
}
|
|
else
|
|
{
|
|
x = k * cos(lat) * sin(lonDiff);
|
|
y = k * ( cos(ref_lat) * sin(lat) - sin(ref_lat) * cos(lat) * cos(lonDiff) );
|
|
}
|
|
p = SGVec2d(x, y) * r * currentScale();
|
|
|
|
break;
|
|
}
|
|
|
|
case PROJECTION_ORTHO_AZIMUTH:
|
|
{
|
|
// 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();
|
|
break;
|
|
}
|
|
|
|
case PROJECTION_SPHERICAL:
|
|
{
|
|
SGVec3d cartCenter = SGVec3d::fromGeod(_projectionCenter);
|
|
SGVec3d cartPt = SGVec3d::fromGeod(geod) - cartCenter;
|
|
|
|
// rotate relative to projection center
|
|
SGQuatd orient = SGQuatd::fromLonLat(_projectionCenter);
|
|
cartPt = orient.rotateBack(cartPt);
|
|
return SGVec2d(cartPt.y(), cartPt.x()) * currentScale();
|
|
break;
|
|
}
|
|
} // of projection mode switch
|
|
|
|
|
|
// rotate as necessary
|
|
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();
|
|
return SGVec2d(rx, ry);
|
|
}
|
|
|
|
SGGeod MapWidget::unproject(const SGVec2d& p) const
|
|
{
|
|
// unrotate, if necessary
|
|
double cost = cos(-_upHeading * SG_DEGREES_TO_RADIANS),
|
|
sint = sin(-_upHeading * SG_DEGREES_TO_RADIANS);
|
|
SGVec2d ur(cost * p.x() - sint * p.y(),
|
|
sint * p.x() + cost * p.y());
|
|
|
|
|
|
|
|
switch (_projection) {
|
|
case PROJECTION_SAMSON_FLAMSTEED:
|
|
{
|
|
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);
|
|
}
|
|
|
|
case PROJECTION_AZIMUTHAL_EQUIDISTANT:
|
|
{
|
|
double r = earth_radius_lat(_projectionCenter.getLatitudeRad());
|
|
SGVec2d unscaled = ur * (1.0 / currentScale());
|
|
double lat = 0,
|
|
lon = 0,
|
|
ref_lat = _projectionCenter.getLatitudeRad(),
|
|
ref_lon = _projectionCenter.getLongitudeRad(),
|
|
rho = sqrt(unscaled.x() * unscaled.x() + unscaled.y() * unscaled.y()),
|
|
c = rho/r;
|
|
|
|
if (rho == 0)
|
|
{
|
|
lat = ref_lat;
|
|
lon = ref_lon;
|
|
}
|
|
else
|
|
{
|
|
lat = asin( cos(c) * sin(ref_lat) + (unscaled.y() * sin(c) * cos(ref_lat)) / rho);
|
|
|
|
if (ref_lat == (90 * SG_DEGREES_TO_RADIANS))
|
|
{
|
|
lon = ref_lon + atan(-unscaled.x()/unscaled.y());
|
|
}
|
|
else if (ref_lat == -(90 * SG_DEGREES_TO_RADIANS))
|
|
{
|
|
lon = ref_lon + atan(unscaled.x()/unscaled.y());
|
|
}
|
|
else
|
|
{
|
|
lon = ref_lon + atan(unscaled.x() * sin(c) / (rho * cos(ref_lat) * cos(c) - unscaled.y() * sin(ref_lat) * sin(c)));
|
|
}
|
|
}
|
|
|
|
return SGGeod::fromRad(lon, lat);
|
|
}
|
|
|
|
case PROJECTION_ORTHO_AZIMUTH:
|
|
{
|
|
double r = earth_radius_lat(_projectionCenter.getLatitudeRad());
|
|
SGVec2d unscaled = ur * (1.0 / (currentScale() * r));
|
|
|
|
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);
|
|
}
|
|
|
|
case PROJECTION_SPHERICAL:
|
|
{
|
|
SGVec2d unscaled = ur * (1.0 / currentScale());
|
|
SGQuatd orient = SGQuatd::fromLonLat(_projectionCenter);
|
|
SGVec3d cartCenter = SGVec3d::fromGeod(_projectionCenter);
|
|
SGVec3d cartPt = orient.rotate(SGVec3d(unscaled.x(), unscaled.y(), 0.0));
|
|
return SGGeod::fromCart(cartPt + cartCenter);
|
|
}
|
|
|
|
default:
|
|
throw sg_exception("MapWidget::unproject(): requested unknown projection");
|
|
} // of projection mode switch
|
|
}
|
|
|
|
double MapWidget::currentScale() const
|
|
{
|
|
return 1.0 / pow(2.0, _cachedZoom);
|
|
}
|
|
|
|
void MapWidget::circleAt(const SGVec2d& center, int nSides, double r)
|
|
{
|
|
glBegin(GL_LINE_LOOP);
|
|
double advance = (SGD_PI * 2) / nSides;
|
|
glVertex2d(center.x() +r, center.y());
|
|
double t=advance;
|
|
for (int i=1; i<nSides; ++i) {
|
|
glVertex2d(center.x() + (cos(t) * r), center.y() + (sin(t) * r));
|
|
t += advance;
|
|
}
|
|
glEnd();
|
|
}
|
|
|
|
void MapWidget::squareAt(const SGVec2d& center, double r)
|
|
{
|
|
glBegin(GL_LINE_LOOP);
|
|
glVertex2d(center.x() + r, center.y() + r);
|
|
glVertex2d(center.x() + r, center.y() - r);
|
|
glVertex2d(center.x() - r, center.y() - r);
|
|
glVertex2d(center.x() - r, center.y() + r);
|
|
glEnd();
|
|
}
|
|
|
|
void MapWidget::circleAtAlt(const SGVec2d& center, int nSides, double r, double r2)
|
|
{
|
|
glBegin(GL_LINE_LOOP);
|
|
double advance = (SGD_PI * 2) / nSides;
|
|
glVertex2d(center.x(), center.y() + r);
|
|
double t=advance;
|
|
for (int i=1; i<nSides; ++i) {
|
|
double rr = (i%2 == 0) ? r : r2;
|
|
glVertex2d(center.x() + (sin(t) * rr), center.y() + (cos(t) * rr));
|
|
t += advance;
|
|
}
|
|
glEnd();
|
|
}
|
|
|
|
void MapWidget::drawLine(const SGVec2d& p1, const SGVec2d& p2)
|
|
{
|
|
glBegin(GL_LINES);
|
|
glVertex2dv(p1.data());
|
|
glVertex2dv(p2.data());
|
|
glEnd();
|
|
}
|
|
|
|
void MapWidget::drawLegendBox(const SGVec2d& pos, const std::string& t)
|
|
{
|
|
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
|
|
puBox box;
|
|
box.min[0] = 0;
|
|
box.min[1] = -totalHeight;
|
|
box.max[0] = maxWidth + (MARGIN * 2);
|
|
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,
|
|
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);
|
|
if (md->overlaps(drawQueue)) {
|
|
continue;
|
|
}
|
|
} else {
|
|
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(); ) {
|
|
it->second->age();
|
|
if (it->second->isExpired()) {
|
|
delete it->second;
|
|
KeyDataMap::iterator cur = it++;
|
|
_mapData.erase(cur);
|
|
} else {
|
|
++it;
|
|
}
|
|
} // of expiry iteration
|
|
}
|
|
|
|
bool MapWidget::validDataForKey(void* key)
|
|
{
|
|
KeyDataMap::iterator it = _mapData.find(key);
|
|
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;
|
|
}
|
|
|
|
void MapWidget::setAnchorForKey(void* key, const SGVec2d& anchor)
|
|
{
|
|
KeyDataMap::iterator it = _mapData.find(key);
|
|
if (it == _mapData.end()) {
|
|
throw sg_exception("no valid data for key!");
|
|
}
|
|
|
|
it->second->setAnchor(anchor);
|
|
}
|
|
|
|
MapData* MapWidget::getOrCreateDataForKey(void* key)
|
|
{
|
|
KeyDataMap::iterator it = _mapData.find(key);
|
|
if (it == _mapData.end()) {
|
|
return createDataForKey(key);
|
|
}
|
|
|
|
it->second->resetAge(); // mark data as valid this frame
|
|
_dataQueue.push_back(it->second);
|
|
return it->second;
|
|
}
|
|
|
|
MapData* MapWidget::createDataForKey(void* key)
|
|
{
|
|
KeyDataMap::iterator it = _mapData.find(key);
|
|
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);
|
|
}
|
|
|
|
MapWidget::DrawAIObject::DrawAIObject(SGPropertyNode* m, const SGGeod& g) :
|
|
model(m),
|
|
boat(false),
|
|
pos(g),
|
|
speedKts(0)
|
|
{
|
|
std::string name(model->getNameString());
|
|
heading = model->getDoubleValue("orientation/true-heading-deg");
|
|
|
|
if ((name == "aircraft") || (name == "multiplayer") ||
|
|
(name == "wingman") || (name == "tanker"))
|
|
{
|
|
speedKts = static_cast<int>(model->getDoubleValue("velocities/true-airspeed-kt"));
|
|
label = model->getStringValue("callsign", "<>");
|
|
|
|
// try to access the flight-plan of the aircraft. There are several layers
|
|
// of potential NULL-ness here, so we have to be defensive at each stage.
|
|
std::string originICAO, destinationICAO;
|
|
FGAIManager* aiManager = globals->get_subsystem<FGAIManager>();
|
|
FGAIBasePtr aircraft = aiManager ? aiManager->getObjectFromProperty(model) : NULL;
|
|
if (aircraft) {
|
|
FGAIAircraft* p = static_cast<FGAIAircraft*>(aircraft.get());
|
|
if (p->GetFlightPlan()) {
|
|
if (p->GetFlightPlan()->departureAirport()) {
|
|
originICAO = p->GetFlightPlan()->departureAirport()->ident();
|
|
}
|
|
|
|
if (p->GetFlightPlan()->arrivalAirport()) {
|
|
destinationICAO = p->GetFlightPlan()->arrivalAirport()->ident();
|
|
}
|
|
} // of flight-plan exists
|
|
} // of check for AIBase-derived instance
|
|
|
|
// draw callsign / altitude / speed
|
|
int altFt50 = static_cast<int>(pos.getElevationFt() / 50.0) * 50;
|
|
std::ostringstream ss;
|
|
ss << model->getStringValue("callsign", "<>");
|
|
if (speedKts > 1) {
|
|
ss << "\n" << altFt50 << "' " << speedKts << "kts";
|
|
}
|
|
|
|
if (!originICAO.empty() || ! destinationICAO.empty()) {
|
|
ss << "\n" << originICAO << " -> " << destinationICAO;
|
|
}
|
|
|
|
legend = ss.str();
|
|
} else if ((name == "ship") || (name == "carrier") || (name == "escort")) {
|
|
boat = true;
|
|
speedKts = static_cast<int>(model->getDoubleValue("velocities/speed-kts"));
|
|
label = model->getStringValue("name", "<>");
|
|
|
|
char buffer[1024];
|
|
::snprintf(buffer, 1024, "%s\n%dkts",
|
|
model->getStringValue("name", "<>"),
|
|
speedKts);
|
|
legend = buffer;
|
|
}
|
|
}
|
|
|