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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | #region License /* FNA - XNA4 Reimplementation for Desktop Platforms * Copyright 2009-2016 Ethan Lee and the MonoGame Team * * Released under the Microsoft Public License. * See LICENSE for details. */ #endregion #region Using Statements using System; #endregion namespace Microsoft.Xna.Framework.Content { internal class NullableReader<T> : ContentTypeReader<T?> where T : struct { #region Private ContentTypeReader Instance ContentTypeReader elementReader; #endregion #region Internal Constructor internal NullableReader() { } #endregion #region Protected Initialization Method protected internal override void Initialize(ContentTypeReaderManager manager) { Type readerType = typeof (T); elementReader = manager.GetTypeReader(readerType); } #endregion #region Protected Read Method protected internal override T? Read(ContentReader input, T? existingInstance) { if (input.ReadBoolean()) { return input.ReadObject<T>(elementReader); } return null ; } #endregion } } |