Изменёны интерфейс IDrawingObject и класс DrawingObjectArtillery

SelfPropelledArtilleryUnit/DrawingObjectArtillery.cs

@@ -36,5 +36,9 @@ namespace Artilleries
         {
             _artillery.DrawTransport(g);
         }
+
+        public string GetInfo() => _artillery?.GetDateForSave();
+
+        public static IDrawingObject Create(string data) => new DrawingObjectArtillery(data.CreateDrawingArtillery());
     }
 }

SelfPropelledArtilleryUnit/IDrawingObject.cs

@@ -13,5 +13,6 @@ namespace Artilleries
         void MoveObject(Direction direction);
         void DrawingObject(Graphics g);
         (float Left, float Right, float Top, float Bottom) GetCurrentPosition();
+        string GetInfo();
     }
 }