m2::AnyRectD ToRotated(m2::RectD const & rect, Navigator const & navigator)
{
double const dx = rect.SizeX();
double const dy = rect.SizeY();
return m2::AnyRectD(rect.Center(),
navigator.Screen().GetAngle(),
m2::RectD(-dx/2, -dy/2, dx/2, dy/2));
}
m2::PointD CalculateCenter(double scale, m2::RectD const & pixelRect,
m2::PointD const & userPos, m2::PointD const & pixelPos,
double azimuth)
{
m2::PointD formingVector = (pixelRect.Center() - pixelPos) * scale;
formingVector.y = -formingVector.y;
formingVector.Rotate(azimuth);
return userPos + formingVector;
}
drape_ptr<SequenceAnimation> GetPrettyFollowAnimation(ScreenBase const & startScreen, m2::PointD const & userPos, double targetScale,
double targetAngle, m2::PointD const & endPixelPos)
{
auto sequenceAnim = make_unique_dp<SequenceAnimation>();
sequenceAnim->SetCustomType(kPrettyFollowAnim);
m2::RectD const viewportRect = startScreen.PixelRectIn3d();
ScreenBase tmp = startScreen;
tmp.SetAngle(targetAngle);
tmp.MatchGandP3d(userPos, viewportRect.Center());
double const moveDuration = PositionInterpolator::GetMoveDuration(startScreen.GetOrg(), tmp.GetOrg(), startScreen);
ASSERT_GREATER(moveDuration, 0.0, ());
double const scaleFactor = moveDuration / kMaxAnimationTimeSec * 2.0;
tmp = startScreen;
if (moveDuration > 0.0)
{
tmp.SetScale(startScreen.GetScale() * scaleFactor);
auto zoomOutAnim = make_unique_dp<MapLinearAnimation>();
zoomOutAnim->SetScale(startScreen.GetScale(), tmp.GetScale());
zoomOutAnim->SetMaxDuration(kMaxAnimationTimeSec * 0.5);
sequenceAnim->AddAnimation(move(zoomOutAnim));
tmp.MatchGandP3d(userPos, viewportRect.Center());
auto moveAnim = make_unique_dp<MapLinearAnimation>();
moveAnim->SetMove(startScreen.GetOrg(), tmp.GetOrg(), viewportRect, tmp.GetScale());
moveAnim->SetMaxDuration(kMaxAnimationTimeSec);
sequenceAnim->AddAnimation(move(moveAnim));
}
auto followAnim = make_unique_dp<MapFollowAnimation>(tmp, userPos, endPixelPos,
tmp.GetScale(), targetScale,
tmp.GetAngle(), targetAngle,
false /* isAutoZoom */);
followAnim->SetMaxDuration(kMaxAnimationTimeSec * 0.5);
sequenceAnim->AddAnimation(move(followAnim));
return sequenceAnim;
}
void Framework::ShowNode(TCountryId const & idx, bool zoomToDownloadButton)
{
if (zoomToDownloadButton)
{
m2::RectD const rect = CalcLimitRect(idx, m_work.GetStorage(), m_work.GetCountryInfoGetter());
m_work.SetViewportCenter(rect.Center(), 10);
}
else
{
m_work.ShowNode(idx);
}
}
void Engine::SetRankPivot(SearchParams const & params, m2::RectD const & viewport,
bool viewportSearch, Query & processor)
{
if (!viewportSearch && params.IsValidPosition())
{
m2::PointD const pos = MercatorBounds::FromLatLon(params.m_lat, params.m_lon);
if (m2::Inflate(viewport, viewport.SizeX() / 4.0, viewport.SizeY() / 4.0).IsPointInside(pos))
{
processor.SetRankPivot(pos);
return;
}
}
processor.SetRankPivot(viewport.Center());
}
void ClipTriangleByRect(m2::RectD const & rect, m2::PointD const & p1,
m2::PointD const & p2, m2::PointD const & p3,
ClipTriangleByRectResultIt const & resultIterator)
{
if (resultIterator == nullptr)
return;
if (rect.IsPointInside(p1) && rect.IsPointInside(p2) && rect.IsPointInside(p3))
{
resultIterator(p1, p2, p3);
return;
}
const double kEps = 1e-8;
vector<m2::PointD> poligon;
auto const addPoligonPoint = [&poligon, kEps](m2::PointD const & pt)
{
if (poligon.empty() || !poligon.back().EqualDxDy(pt, kEps))
poligon.push_back(pt);
};
vector<m2::PointD> const corners = { rect.LeftTop(), rect.RightTop(), rect.RightBottom(), rect.LeftBottom() };
int firstClipCode[3];
int lastClipCode[3];
bool intersected[3];
intersected[0] = IntersectEdge(rect, corners, p1, p2, p3, addPoligonPoint,
0, 0, firstClipCode[0], lastClipCode[0]);
intersected[1] = IntersectEdge(rect, corners, p2, p3, p1, addPoligonPoint,
lastClipCode[0], 0, firstClipCode[1], lastClipCode[1]);
intersected[2] = IntersectEdge(rect, corners, p3, p1, p2, addPoligonPoint,
lastClipCode[1] != 0 ? lastClipCode[1] : lastClipCode[0],
firstClipCode[0] != 0 ? firstClipCode[0] : firstClipCode[1],
firstClipCode[2], lastClipCode[2]);
int const intersectCount = intersected[0] + intersected[1] + intersected[2];
if (intersectCount == 0)
{
if (IsPointInsideTriangle(rect.Center(), p1, p2, p3))
{
resultIterator(rect.LeftTop(), rect.RightTop(), rect.RightBottom());
resultIterator(rect.RightBottom(), rect.LeftBottom(), rect.LeftTop());
}
return;
}
if (intersectCount == 1 && intersected[2])
InsertCorners(corners, p1, p2, p3, addPoligonPoint, lastClipCode[2], firstClipCode[2]);
if (!poligon.empty() && poligon.back().EqualDxDy(poligon[0], kEps))
poligon.pop_back();
if (poligon.size() < 3)
return;
for (size_t i = 0; i < poligon.size() - 2; ++i)
resultIterator(poligon[0], poligon[i + 1], poligon[i + 2]);
}
void Engine::DoSearch(SearchParams const & params, m2::RectD const & viewport,
shared_ptr<QueryHandle> handle, Query & processor)
{
bool const viewportSearch = params.GetMode() == Mode::Viewport;
// Initialize query processor.
processor.Init(viewportSearch);
handle->Attach(processor);
MY_SCOPE_GUARD(detach, [&handle] { handle->Detach(); });
// Early exit when query processing is cancelled.
if (processor.IsCancelled())
{
params.m_onResults(Results::GetEndMarker(true /* isCancelled */));
return;
}
SetRankPivot(params, viewport, viewportSearch, processor);
if (params.IsValidPosition())
processor.SetPosition(MercatorBounds::FromLatLon(params.m_lat, params.m_lon));
else
processor.SetPosition(viewport.Center());
processor.SetMode(params.GetMode());
processor.SetSuggestsEnabled(params.GetSuggestsEnabled());
// This flag is needed for consistency with old search algorithm
// only. It will be gone when we remove old search code.
processor.SetSearchInWorld(true);
processor.SetInputLocale(params.m_inputLocale);
ASSERT(!params.m_query.empty(), ());
processor.SetQuery(params.m_query);
Results res;
processor.SearchCoordinates(res);
try
{
if (params.m_onStarted)
params.m_onStarted();
processor.SetViewport(viewport, true /* forceUpdate */);
if (viewportSearch)
processor.SearchViewportPoints(res);
else
processor.Search(res, kResultsCount);
if (!processor.IsCancelled())
EmitResults(params, res);
}
catch (Query::CancelException const &)
{
LOG(LDEBUG, ("Search has been cancelled."));
}
if (!viewportSearch && !processor.IsCancelled())
SendStatistics(params, viewport, res);
// Emit finish marker to client.
params.m_onResults(Results::GetEndMarker(processor.IsCancelled()));
}
