Bus/Bus/DrawingObjectBus.cs

@@ -39,6 +39,31 @@ namespace Bus
         public string GetInfo() => _bus?.GetDataForSave();
 
         public static IDrawingObject Create(string data) => new DrawingObjectBus(data.CreateDrawingBus());
-                
+
+        public bool Equals(IDrawingObject? other)
+        {
+            if (other is not DrawingObjectBus otherBus)
+            {
+                return false;
+            }
+            var entity = _bus.Bus;
+            var otherEntity = otherBus._bus.Bus;
+            if (entity.GetType() != otherEntity.GetType() ||
+                entity.Speed != otherEntity.Speed ||
+                entity.Weight != otherEntity.Weight ||
+                entity.BodyColor != otherEntity.BodyColor)
+            {
+                return false;
+            }
+            if (entity is EntitySportBus entitySportBus &&
+                otherEntity is EntitySportBus otherEntitySportBus && (
+                entitySportBus.Wing != otherEntitySportBus.Wing ||
+                entitySportBus.DopColor != otherEntitySportBus.DopColor ||
+                entitySportBus.Sportline != otherEntitySportBus.Sportline))
+            {
+                return false;
+            }
+            return true;
+        }
     }
 }

Bus/Bus/IDrawingObject.cs

@@ -6,7 +6,7 @@ using System.Threading.Tasks;
 
 namespace Bus
 {
-    internal interface IDrawingObject
+    internal interface IDrawingObject : IEquatable<IDrawingObject>
     {
         public float Step { get; }
         void SetObject(int x, int y, int width, int height);

Bus/Bus/MapWithSetDoubleDeckerBusGeneric.cs

@@ -7,7 +7,7 @@ using System.Threading.Tasks;
 namespace Bus
 {
     internal class MapWithSetDoubleDeckerBusGeneric<T, U>
-        where T : class, IDrawingObject
+        where T : class, IEquatable<T>, IDrawingObject
         where U : AbstractMap
     {
         private readonly int _pictureWidth;

Bus/Bus/SetDoubleDeckerBusGeneric.cs

@@ -7,7 +7,7 @@ using System.Threading.Tasks;
 namespace Bus
 {
     internal class SetDoubleDeckerBusGeneric<T>
-        where T : class
+        where T : class, IEquatable<T>
     {
         private readonly List<T> _places;
         public int Count => _places.Count;