draw aircraft

src/main.cpp

@@ -10,6 +10,8 @@
 #include <cstdio>
 #include <format>
 #include <iostream>
+#include "core/global.hpp"
+#include "core/geo.hpp"
 
 int main() {
   if (hal::init() != 0) {
@@ -24,8 +26,6 @@ int main() {
 
   const uint16_t middle_x = (screen_w / 2);
   const uint16_t middle_y = (screen_h / 2);
-  float receiver_lat;
-  float receiver_lon;
   {
     nlohmann::json receiver =
         net::http_get_json(std::format("{}/receiver.json", base_url));
@@ -72,6 +72,27 @@ int main() {
       }
     }
 
+    { // draw planes
+      nlohmann::json aircraft = net::http_get_json(std::format("{}/aircraft.json", base_url));
+      if (aircraft!= nullptr) {
+        for(nlohmann::json &craft : aircraft["aircraft"]) {
+          try {
+          const auto [x_offset,y_offset] = get_offset_from_station(craft["lat"].get<double>(), craft["lon"].get<double>());
+          const uint16_t x_center = middle_x+((x_offset/1000)*pixels_per_km);
+          const uint16_t y_center = middle_y+((y_offset/1000)*pixels_per_km);
+          draw::pixel(x_center, y_center, {0xff,0x68,0x00});
+          draw::rhombus(x_center, y_center, 8/*TODO: remove magic*/,{0xff,0x68,0x00}); 
+        } catch(...) {
+          std::clog << YELLOW"[WARNING]" RESET " aircraft with no lat/lon data detected!\n";
+        }
+          
+        }
+      } else {
+        // TODO draw vizual error
+        std::cerr << RED"[ERROR]" RESET " failed to get aircraft\n";
+      }
+    }
+
     hal::end_frame();
   }
 }