Fixes getting random disconnect.

Source/Game/Entities/Object/Position.cs

@@ -35,7 +35,7 @@ namespace Game.Entities
             posX = x;
             posY = y;
             posZ = z;
-            Orientation = o;
+            Orientation = NormalizeOrientation(o);
         }
 
         public Position(Vector3 vector)

Source/Game/Entities/Unit/Unit.Movement.cs

@@ -659,7 +659,7 @@ namespace Game.Entities
 
         void UpdateOrientation(float orientation)
         {
-            Orientation = orientation;
+            SetOrientation(orientation);
             if (IsVehicle())
                 GetVehicleKit().RelocatePassengers();
         }

Source/Game/Movement/MoveSpline.cs

@@ -172,7 +172,7 @@ namespace Game.Movement
                 {
                     Vector3 hermite;
                     spline.Evaluate_Derivative(point_Idx, u, out hermite);
-                    orientation = (float)Math.Atan2(hermite.Y, hermite.X);
+                    orientation = (float)MathF.Atan2(hermite.Y, hermite.X);
                 }
 
                 if (splineflags.HasFlag(SplineFlag.Backward))