NScumm.Scumm.ScummEngine.GetObjActToObjActDist C# (CSharp) Метод

        protected int GetObjActToObjActDist(int a, int b)
        {
            Actor acta = null;
            Actor actb = null;

            if (IsActor(a))
                acta = Actors[ObjToActor(a)];

            if (IsActor(b))
                actb = Actors[ObjToActor(b)];

            if ((acta != null) && (actb != null) && (acta.Room == actb.Room) && (acta.Room != 0) && !acta.IsInCurrentRoom)
                return 0;

            Point pA;
            if (!GetObjectOrActorXY(a, out pA))
                return 0xFF;

            Point pB;
            if (!GetObjectOrActorXY(b, out pB))
                return 0xFF;

            // Perform adjustXYToBeInBox() *only* if the first item is an
            // actor and the second is an object. This used to not check
            // whether the second item is a non-actor, which caused bug
            // #853874).
            if (acta != null && actb == null)
            {
                var r = acta.AdjustXYToBeInBox(pB);
                pB = r.Position;
            }

            // Now compute the distance between the two points
            return ScummMath.GetDistance(pA, pB);
        }