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Don't add an alert segment twice

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This commit is contained in:
Dan Paulat 2024-07-14 00:23:23 -05:00
parent 6097b47b7a
commit 09cdb03699
1 changed files with 23 additions and 6 deletions
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29
scwx-qt/source/scwx/qt/map/alert_layer.cpp
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@ -367,13 +367,30 @@ void AlertLayer::Impl::AddAlert(
// Take a mutex before modifying lines by segment
std::unique_lock lock {linesMutex_};
boost::container::stable_vector<std::shared_ptr<gl::draw::GeoLineDrawItem>>&
drawItems = linesBySegment_[segmentRecord];
// Add draw items only if the segment has not already been added
auto drawItems = linesBySegment_.try_emplace(
segmentRecord,
boost::container::stable_vector<
std::shared_ptr<gl::draw::GeoLineDrawItem>> {});
AddLines(
geoLines, coordinates, kBlack_, 5.0f, startTime, endTime, drawItems);
AddLines(
geoLines, coordinates, lineColor, 3.0f, startTime, endTime, drawItems);
// If draw items were added
if (drawItems.second)
{
AddLines(geoLines,
coordinates,
kBlack_,
5.0f,
startTime,
endTime,
drawItems.first->second);
AddLines(geoLines,
coordinates,
lineColor,
3.0f,
startTime,
endTime,
drawItems.first->second);
}
}
void AlertLayer::Impl::UpdateAlert(