Доработка. Индикация сервера карт "на связи"

scenes/tilemap/tilemap.gd

@@ -90,7 +90,6 @@ var image: = Image.new()
 var image_load_proc: Callable
 var now: = 0
 var visible_marks_count: = 0
-var map_server_available: = false
 var border1: ImageTexture
 var border2: ImageTexture
 
@@ -383,20 +382,22 @@ func _process(delta) -> void:
 
 func _response(result, code, _headers: Array, body: PackedByteArray, req, tile: Tile) -> void:
 
+    var unit_instance = network.get_unit_instance('уарэп-карта')
+
     _req_count -= 1
     remove_child(req)
     req.queue_free()
 
     if result != HTTPRequest.RESULT_SUCCESS:
-        if map_server_available:
-            map_server_available = false
-            emit_signal('map_server_offline')
+        if unit_instance.online:
+            unit_instance.online = false
+            unit_instance.emit_signal('line_changed', unit_instance)
         _queue[tile.i] = tile
         return
 
-    if not map_server_available:
-        map_server_available = true
-        emit_signal('map_server_online')
+    if not unit_instance.online:
+        unit_instance.online = true
+        unit_instance.emit_signal('line_changed', unit_instance)
 
     if code == 404:
         push_error('на сервере нет \"%s\"' % tile.url)