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[drape] Minor code prettify.

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Signed-off-by: Viktor Govako <viktor.govako@gmail.com>
This commit is contained in:
Viktor Govako 2024-11-23 15:03:10 -03:00 • committed by Viktor Havaka
parent 26864888a3
commit 2b62ca9cb9
1 changed files with 17 additions and 15 deletions
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32
drape_frontend/route_shape.cpp
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@ -62,11 +62,10 @@ void GetArrowTextureRegion(ref_ptr<dp::TextureManager> textures,
textures->GetSymbolRegion("route-arrow", region);
}
std::vector<m2::PointD> CalculatePoints(m2::PolylineD const & polyline,
double start, double end)
void CalculatePoints(m2::PolylineD const & polyline, double start, double end,
std::vector<m2::PointD> & result)
{
std::vector<m2::PointD> result;
result.reserve(polyline.GetSize() / 4);
result.clear();
auto addIfNotExist = [&result](m2::PointD const & pnt)
{
@ -74,12 +73,15 @@ std::vector<m2::PointD> CalculatePoints(m2::PolylineD const & polyline,
result.push_back(pnt);
};
std::vector<m2::PointD> const & path = polyline.GetPoints();
auto const & path = polyline.GetPoints();
double len = 0;
bool started = false;
for (size_t i = 0; i + 1 < path.size(); i++)
for (size_t i = 1; i < path.size(); ++i)
{
double const dist = (path[i + 1] - path[i]).Length();
auto const & p1 = path[i - 1];
auto const & p2 = path[i];
auto const vec = p2 - p1;
double const dist = vec.Length();
if (dist == 0)
continue;
@ -87,7 +89,7 @@ std::vector<m2::PointD> CalculatePoints(m2::PolylineD const & polyline,
if (!started && start >= len && start <= l)
{
double const k = (start - len) / dist;
addIfNotExist(path[i] + (path[i + 1] - path[i]) * k);
addIfNotExist(p1 + vec * k);
started = true;
}
if (!started)
@ -99,16 +101,15 @@ std::vector<m2::PointD> CalculatePoints(m2::PolylineD const & polyline,
if (end >= len && end <= l)
{
double const k = (end - len) / dist;
addIfNotExist(path[i] + (path[i + 1] - path[i]) * k);
addIfNotExist(p1 + vec * k);
break;
}
else
{
addIfNotExist(path[i + 1]);
addIfNotExist(p2);
}
len = l;
}
return result;
}
float SideByNormal(glsl::vec2 const & normal, bool isLeft)
@ -516,13 +517,14 @@ void RouteShape::CacheRouteArrows(ref_ptr<dp::GraphicsContext> context,
// Generate arrow geometry.
auto depth = static_cast<float>(baseDepthIndex * rs::kDepthPerSubroute) + rs::kArrowsDepth;
float const depthStep = (rs::kArrowsDepth - rs::kRouteDepth) / (1 + borders.size());
std::vector<m2::PointD> points;
points.reserve(polyline.GetSize() / 4);
for (ArrowBorders const & b : borders)
{
depth -= depthStep;
std::vector<m2::PointD> points = rs::CalculatePoints(polyline, b.m_startDistance, b.m_endDistance);
ASSERT_LESS_OR_EQUAL(points.size(), polyline.GetSize(), ());
PrepareArrowGeometry(points, routeArrowsData.m_pivot, region.GetTexRect(), depthStep,
depth, geometryData);
rs::CalculatePoints(polyline, b.m_startDistance, b.m_endDistance, points);
PrepareArrowGeometry(points, routeArrowsData.m_pivot, region.GetTexRect(), depthStep, depth, geometryData);
}
geometryData.m_boundingBox.Scale(kBoundingBoxScale);