Пример #1
0
        /// <summary>
        /// Get <see cref="IntPtr"/> address from <typeparamref name="T"/> <paramref name="obj"/>
        /// with type <paramref name="pointerType"/>
        /// </summary>
        /// <typeparam name="T">Type of object</typeparam>
        /// <param name="obj">source object</param>
        /// <param name="pointerType">type of address</param>
        /// <returns><see cref="IntPtr"/> address with requested type</returns>
        public static IntPtr GetAddress <T>(this T obj, ObjectPointerTo pointerType) where T : class
        {
            if (obj == null)
            {
                return(IntPtr.Zero);
            }

            var finder = new FindAddressHelper <T> {
                Object = obj
            };
            var    addr = &finder.Address;
            IntPtr ptr  = *(IntPtr *)&addr[-1];

            switch (pointerType)
            {
            case ObjectPointerTo.MethodTablePointer:
                break;

            case ObjectPointerTo.Header:
                ptr = IntPtr.Add(ptr, -IntPtr.Size);
                break;

            case ObjectPointerTo.Data:
                ptr = IntPtr.Add(ptr, IntPtr.Size);
                break;

            default:
                throw new ArgumentException("Unknown type of requested address", nameof(pointerType));
            }
            return(ptr);
        }
Пример #2
0
        /// <summary>
        /// Cast <see cref="IntPtr"/> to <typeparamref name="TResult"/>
        /// </summary>
        /// <typeparam name="TResult">result type</typeparam>
        /// <param name="address">pointer to object</param>
        /// <param name="pointerType">address type</param>
        /// <returns>casted object</returns>
        public static TResult ToObject <TResult>(this IntPtr address, ObjectPointerTo pointerType) where TResult : class
        {
            var finder = new FindAddressHelper <TResult>();
            var addr   = &finder.Address;
            var ptr    = address;

            if (ptr != IntPtr.Zero)
            {
                switch (pointerType)
                {
                case ObjectPointerTo.MethodTablePointer:
                    break;

                case ObjectPointerTo.Header:
                    ptr = IntPtr.Add(ptr, IntPtr.Size);
                    break;

                case ObjectPointerTo.Data:
                    ptr = IntPtr.Add(ptr, -IntPtr.Size);
                    break;

                default:
                    throw new ArgumentException("Unknown type of address", nameof(pointerType));
                }
            }
            *(IntPtr *)&addr[-1] = ptr;
            return(finder.Object);
        }