CItemSelector::CSymbolInterval CItemSelector::GetSelectionInfo() const
{
if( start->GetParent() == 0 ) {
int startIdx = -1;
while( &content[++startIdx] != start->CurrentLine ) { }
int endIdx = -1;
while ( &content[++endIdx] != end->CurrentLine ) { }
CSymbolPosition tmpStart( *start );
CSymbolPosition tmpEnd( *end );
if( startIdx > endIdx || tmpStart.Index > tmpEnd.Index ) {
std::swap( tmpStart, tmpEnd );
std::swap( startIdx, endIdx );
}
if( tmpStart.CurrentLine == &content[content.size() - 1] && tmpStart.Index == tmpStart.CurrentLine->Length() ) {
return std::make_pair( CSymbolPosition( -1, tmpStart ), CSymbolPosition( -1, tmpEnd ) );
} else {
goToNextSymbol( startIdx, tmpStart );
goToPrevSymbol( endIdx, tmpEnd );
if( startIdx > endIdx ) {
return std::make_pair( CSymbolPosition( -1, tmpStart ), CSymbolPosition( -1, tmpEnd ) );
} else {
return std::make_pair( tmpStart, tmpEnd );
}
}
} else {
if( start->Index > end->Index ) {
return std::make_pair( *end, *start );
} else {
return std::make_pair( *start, *end );
}
}
}
void CItemSelector::ResetSelection()
{
std::shared_ptr<CSymbolPosition> tmpStart( 0 );
start.swap( tmpStart );
std::shared_ptr<CSymbolPosition> tmpEnd( 0 );
end.swap( tmpEnd );
}
void StelMovementMgr::updateVisionVector(double deltaTime)
{
// Specialized setups cannot use this functionality!
if (flagInhibitAllAutomoves)
return;
if (flagAutoMove)
{
if (!move.targetObject.isNull())
{
// if zooming in, object may be moving so be sure to zoom to latest position
// In case we have offset center, we want object still visible in center.
// Note that if we do not center on an object, we set view direction of the potentially offset screen center!
// This is by design, to allow accurate setting of display coordinates.
Vec3d v;
switch (mountMode)
{
case MountAltAzimuthal:
v = move.targetObject->getAltAzPosAuto(core);
break;
case MountEquinoxEquatorial:
v = move.targetObject->getEquinoxEquatorialPos(core);
break;
case MountGalactic:
v = move.targetObject->getGalacticPos(core);
break;
default:
qWarning() << "StelMovementMgr: unexpected mountMode" << mountMode;
Q_ASSERT(0);
v = move.targetObject->getAltAzPosAuto(core); // still do something useful
}
double lat, lon;
StelUtils::rectToSphe(&lon, &lat, v);
float altOffset=core->getCurrentStelProjectorParams().viewportCenterOffset[1]*currentFov*M_PI/180.0f;
lat+=altOffset;
StelUtils::spheToRect(lon, lat, v);
move.aim=mountFrameToJ2000(v);
move.aim.normalize();
move.aim*=2.;
// For aiming at objects, we can assume simple up vector.
move.startUp=getViewUpVectorJ2000();
move.aimUp=mountFrameToJ2000(Vec3d(0., 0., 1.));
}
move.coef+=move.speed*deltaTime*1000;
if (move.coef>=1.)
{
setViewUpVectorJ2000(move.aimUp);
//qDebug() << "AutoMove finished. Setting Up vector (in mount frame) to " << upVectorMountFrame.v[0] << "/" << upVectorMountFrame.v[1] << "/" << upVectorMountFrame.v[2];
flagAutoMove=false;
move.coef=1.;
}
else
setViewUpVectorJ2000(move.startUp*(1.-move.coef) + move.aimUp*move.coef);
// Use a smooth function
float smooth = 4.f;
double c;
if (zoomingMode==ZoomIn)
{
if (move.coef>.9)
{
c = 1.;
}
else
{
c = 1. - pow(1.-1.11*move.coef,3.);
}
}
else if (zoomingMode==ZoomOut)
{
if (move.coef<0.1)
{
// keep in view at first as zoom out
c = 0;
}
else
{
c = pow(1.11*(move.coef-.1),3.);
}
}
else
c = std::atan(smooth * 2.*move.coef-smooth)/std::atan(smooth)/2+0.5;
Vec3d tmpStart(j2000ToMountFrame(move.start));
Vec3d tmpAim(j2000ToMountFrame(move.aim));
double ra_aim, de_aim, ra_start, de_start;
StelUtils::rectToSphe(&ra_start, &de_start, tmpStart);
StelUtils::rectToSphe(&ra_aim, &de_aim, tmpAim);
// Make sure the position of the object to be aimed at is defined...
Q_ASSERT(move.aim[0]==move.aim[0] && move.aim[1]==move.aim[1] && move.aim[2]==move.aim[2]);
// Trick to choose the good moving direction and never travel on a distance > PI
if (ra_aim-ra_start > M_PI)
{
ra_aim -= 2.*M_PI;
}
else if (ra_aim-ra_start < -M_PI)
{
ra_aim += 2.*M_PI;
}
const double de_now = de_aim*c + de_start*(1.-c);
const double ra_now = ra_aim*c + ra_start*(1.-c);
Vec3d tmp;
StelUtils::spheToRect(ra_now, de_now, tmp);
setViewDirectionJ2000(mountFrameToJ2000(tmp));
// qDebug() << "setting view direction to " << tmp.v[0] << "/" << tmp.v[1] << "/" << tmp.v[2];
}
else
{
if (flagTracking && objectMgr->getWasSelected()) // Equatorial vision vector locked on selected object
{
Vec3d v;
switch (mountMode)
{
case MountAltAzimuthal:
v = objectMgr->getSelectedObject()[0]->getAltAzPosAuto(core);
break;
case MountEquinoxEquatorial:
v = objectMgr->getSelectedObject()[0]->getEquinoxEquatorialPos(core);
break;
case MountGalactic:
v = objectMgr->getSelectedObject()[0]->getGalacticPos(core);
break;
default:
qWarning() << "StelMovementMgr: unexpected mountMode" << mountMode;
Q_ASSERT(0);
v = move.targetObject->getAltAzPosAuto(core); // still do something useful in release build
}
double lat, lon; // general: longitudinal, latitudinal
StelUtils::rectToSphe(&lon, &lat, v);
float latOffset=core->getCurrentStelProjectorParams().viewportCenterOffset[1]*currentFov*M_PI/180.0f;
lat+=latOffset;
StelUtils::spheToRect(lon, lat, v);
setViewDirectionJ2000(mountFrameToJ2000(v));
setViewUpVectorJ2000(mountFrameToJ2000(Vec3d(0., 0., 1.))); // Does not disturb to reassure this former default.
}
else
{
if (flagLockEquPos) // Equatorial vision vector locked
{
// Recalc local vision vector
setViewDirectionJ2000(viewDirectionJ2000);
}
else
{
// Vision vector locked to its position in the mountFrame
setViewDirectionJ2000(mountFrameToJ2000(viewDirectionMountFrame));
}
}
}
}
