show vehicle when it appears again

Author: Dimitar5555

src/js/cache.js

@@ -99,6 +99,10 @@ export function add_to_cache(vehicle, tables_to_update, cache) {
         return;
     }
 
+    if(vehicle.hidden) {
+        vehicle.hidden = false;
+    }
+
     if(vehicle.type != 'bus' && typeof vehicle.route_ref === 'string' && vehicle.route_ref.endsWith('TM')) {
         vehicle.type = 'bus';
     }

src/js/map_vehicles.js

@@ -178,15 +178,14 @@ function generate_vehicle_popup_text(vehicle, cache) {
 export function show_markers_in_view(map, vehicles_layer, cache) {
     const bounds = map.getBounds();
     for(const vehicle of cache) {
-        const marker = vehicle.marker;
-        if(!marker) {
+        if(!vehicle.marker || vehicle.hidden) {
             continue;
         }
         if(bounds.contains(vehicle.coords)) {
-            marker.addTo(vehicles_layer);
+            vehicle.marker.addTo(vehicles_layer);
         }
         else {
-            vehicles_layer._map.removeLayer(marker);
+            vehicles_layer._map.removeLayer(vehicle.marker);
         }
     }
 }