//------------------------------------------------------------------------------
// updateData() - updates the values
//------------------------------------------------------------------------------
void MapPage::updateData(const LCreal dt)
{
// find our nearest map page above us and get the data from it!
MapPage* page = static_cast<MapPage*>(findContainerByType(typeid(MapPage)));
if (page != nullptr) {
setHeadingDeg(page->getHeadingDeg());
setDisplacement(page->getDisplacement());
setReferenceLatDeg(page->getReferenceLatDeg());
setReferenceLonDeg(page->getReferenceLonDeg());
setOuterRadius(page->getOuterRadius());
setOuterRadiusDC(page->getOuterRadiusDC());
setCentered(page->getCentered());
setRange(page->getRange());
setNorthUp(page->getNorthUp());
nm2Screen = page->getScale();
}
// if we are the top map page, we do the calculations ourself
else {
// determine if we are centered or not, and set our displacement and radius accordingly
if (isCentered) nm2Screen = outerRadius / range;
else nm2Screen = outerRadiusDC / range;
}
// update base class stuff
BaseClass::updateData(dt);
}
//------------------------------------------------------------------------------
// Moves our reference lat lon based on the distance moved.
//------------------------------------------------------------------------------
void MapPage::moveMap(const int startX, const int startY, const int endX, const int endY)
{
double eLat = 0, eLon = 0, lat = 0, lon = 0, sLat = 0, sLon = 0, deltaLat = 0, deltaLon = 0;
// figure our lat/lon positioning
pixelsToLatLon(startX, startY, sLat, sLon);
pixelsToLatLon(endX, endY, eLat, eLon);
// get our delta movement
deltaLat = sLat - eLat;
deltaLon = sLon - eLon;
lat = getReferenceLatDeg();
lon = getReferenceLonDeg();
lat += deltaLat;
lon += deltaLon;
// As the world turns.... we need to flip the maps!
if (lon > 180) lon = -180;
else if (lon < -180) lon = 180;
if (lat > 90) lat = -90;
else if (lat < -90) lat = 90;
setReferenceLatDeg(lat);
setReferenceLonDeg(lon);
}
void Display::mouseMotionEvent(const int x, const int y)
{
if (dragging) {
const auto page = static_cast<MapPage*>(subpage());
if (page != nullptr) {
// get our ref lat, because we won't go passed 70 degrees lat (either way);
const double lat = page->getReferenceLatDeg();
if (lat < 70 && lat > -70) {
page->moveMap(startX, startY, x, y);
} else {
if (lat > 0) page->setReferenceLatDeg(65);
else page->setReferenceLatDeg(-65);
}
startX = x;
startY = y;
}
}
setMouse(x, y);
}
//------------------------------------------------------------------------------
// setSlotRefLat() - sets ref lat from slot
//------------------------------------------------------------------------------
bool MapPage::setSlotRefLat(const Basic::Number* const x)
{
bool ok = false;
if (x != nullptr) ok = setReferenceLatDeg(x->getDouble());
return ok;
}
//------------------------------------------------------------------------------
// onUpdateReferenceLat() - set our new reference latitude
//------------------------------------------------------------------------------
bool MapPage::onUpdateReferenceLat(const Basic::Number* const newOL)
{
bool ok = false;
if (newOL != nullptr) ok = setReferenceLatDeg(newOL->getDouble());
return ok;
}
