From ec4387112ebb81a6d542056b86e4826574cb4042 Mon Sep 17 00:00:00 2001
From: AdenKoperczak <awkoperczak@gmail.com>
Date: Fri, 4 Oct 2024 16:40:56 -0400
Subject: [PATCH] Add poi layer

---
 scwx-qt/source/scwx/qt/map/poi_layer.cpp     | 97 ++++++++++++++++++++
 scwx-qt/source/scwx/qt/map/poi_layer.hpp     | 33 +++++++
 scwx-qt/source/scwx/qt/types/layer_types.cpp |  1 +
 scwx-qt/source/scwx/qt/types/layer_types.hpp |  1 +
 4 files changed, 132 insertions(+)
 create mode 100644 scwx-qt/source/scwx/qt/map/poi_layer.cpp
 create mode 100644 scwx-qt/source/scwx/qt/map/poi_layer.hpp

diff --git a/scwx-qt/source/scwx/qt/map/poi_layer.cpp b/scwx-qt/source/scwx/qt/map/poi_layer.cpp
new file mode 100644
index 00000000..a1b0e630
--- /dev/null
+++ b/scwx-qt/source/scwx/qt/map/poi_layer.cpp
@@ -0,0 +1,97 @@
+#include <scwx/qt/map/poi_layer.hpp>
+#include <scwx/qt/manager/poi_manager.hpp>
+#include <scwx/util/logger.hpp>
+#include <scwx/qt/types/poi_types.hpp>
+#include <scwx/qt/types/texture_types.hpp>
+#include <scwx/qt/gl/draw/geo_icons.hpp>
+
+namespace scwx
+{
+namespace qt
+{
+namespace map
+{
+
+static const std::string logPrefix_ = "scwx::qt::map::poi_layer";
+static const auto        logger_    = scwx::util::Logger::Create(logPrefix_);
+
+
+class POILayer::Impl
+{
+public:
+   explicit Impl(std::shared_ptr<MapContext> context) :
+       geoIcons_ {std::make_shared<gl::draw::GeoIcons>(context)}
+   {
+   }
+   ~Impl() {}
+
+   void ReloadPOIs();
+
+   const std::string& poiIconName_ {
+      types::GetTextureName(types::ImageTexture::Crosshairs24)};
+
+   std::shared_ptr<gl::draw::GeoIcons>  geoIcons_;
+};
+
+void POILayer::Impl::ReloadPOIs()
+{
+   logger_->debug("ReloadPOIs");
+   auto poiManager = manager::POIManager::Instance();
+
+   geoIcons_->StartIcons();
+
+   for (size_t i = 0; i < poiManager->poi_count(); i++)
+   {
+      types::PointOfInterest poi = poiManager->get_poi(i);
+      std::shared_ptr<gl::draw::GeoIconDrawItem> icon = geoIcons_->AddIcon();
+      geoIcons_->SetIconTexture(icon, poiIconName_, 0);
+      geoIcons_->SetIconLocation(icon, poi.latitude_, poi.longitude_);
+   }
+
+   geoIcons_->FinishIcons();
+}
+
+POILayer::POILayer(const std::shared_ptr<MapContext>& context) :
+   DrawLayer(context),
+   p(std::make_unique<POILayer::Impl>(context))
+{
+   AddDrawItem(p->geoIcons_);
+}
+
+POILayer::~POILayer() = default;
+
+void POILayer::Initialize()
+{
+   logger_->debug("Initialize()");
+   DrawLayer::Initialize();
+
+   p->geoIcons_->StartIconSheets();
+   p->geoIcons_->AddIconSheet(p->poiIconName_);
+   p->geoIcons_->FinishIconSheets();
+}
+
+void POILayer::Render(
+      const QMapLibre::CustomLayerRenderParameters& params)
+{
+   //auto poiManager = manager::POIManager::Instance();
+   gl::OpenGLFunctions& gl = context()->gl();
+
+   // TODO. do not redo this every time
+   p->ReloadPOIs();
+
+   DrawLayer::Render(params);
+
+   SCWX_GL_CHECK_ERROR();
+}
+
+void POILayer::Deinitialize()
+{
+   logger_->debug("Deinitialize()");
+
+   DrawLayer::Deinitialize();
+}
+
+} // namespace map
+} // namespace qt
+} // namespace scwx
+
diff --git a/scwx-qt/source/scwx/qt/map/poi_layer.hpp b/scwx-qt/source/scwx/qt/map/poi_layer.hpp
new file mode 100644
index 00000000..5bc12660
--- /dev/null
+++ b/scwx-qt/source/scwx/qt/map/poi_layer.hpp
@@ -0,0 +1,33 @@
+#pragma once
+
+#include <scwx/qt/map/draw_layer.hpp>
+
+#include <string>
+
+namespace scwx
+{
+namespace qt
+{
+namespace map
+{
+
+class POILayer : public DrawLayer
+{
+   Q_OBJECT
+
+public:
+   explicit POILayer(const std::shared_ptr<MapContext>& context);
+   ~POILayer();
+
+   void Initialize() override final;
+   void Render(const QMapLibre::CustomLayerRenderParameters&) override final;
+   void Deinitialize() override final;
+
+private:
+   class Impl;
+   std::unique_ptr<Impl> p;
+};
+
+} // namespace map
+} // namespace qt
+} // namespace scwx
diff --git a/scwx-qt/source/scwx/qt/types/layer_types.cpp b/scwx-qt/source/scwx/qt/types/layer_types.cpp
index 6e66c5d1..3ab775e3 100644
--- a/scwx-qt/source/scwx/qt/types/layer_types.cpp
+++ b/scwx-qt/source/scwx/qt/types/layer_types.cpp
@@ -31,6 +31,7 @@ static const std::unordered_map<InformationLayer, std::string>
    informationLayerName_ {{InformationLayer::MapOverlay, "Map Overlay"},
                           {InformationLayer::RadarSite, "Radar Sites"},
                           {InformationLayer::ColorTable, "Color Table"},
+                          {InformationLayer::POILayer, "Point of Interest"},
                           {InformationLayer::Unknown, "?"}};
 
 static const std::unordered_map<MapLayer, std::string> mapLayerName_ {
diff --git a/scwx-qt/source/scwx/qt/types/layer_types.hpp b/scwx-qt/source/scwx/qt/types/layer_types.hpp
index f0561a6e..04a4aef9 100644
--- a/scwx-qt/source/scwx/qt/types/layer_types.hpp
+++ b/scwx-qt/source/scwx/qt/types/layer_types.hpp
@@ -44,6 +44,7 @@ enum class InformationLayer
    MapOverlay,
    RadarSite,
    ColorTable,
+   POILayer,
    Unknown
 };