internal ContentTypeReader[] LoadAssetReaders(ContentReader reader)
        {
            #pragma warning disable 0219, 0649
            /* Trick to prevent the linker removing the code, but not actually execute the code
             * FIXME: Do we really need this in FNA?
             */
            if (falseflag)
            {
                /* Dummy variables required for it to work on iDevices ** DO NOT DELETE **
                 * This forces the classes not to be optimized out when deploying to iDevices
                 */
                ByteReader hByteReader = new ByteReader();
                SByteReader hSByteReader = new SByteReader();
                DateTimeReader hDateTimeReader = new DateTimeReader();
                DecimalReader hDecimalReader = new DecimalReader();
                BoundingSphereReader hBoundingSphereReader = new BoundingSphereReader();
                BoundingFrustumReader hBoundingFrustumReader = new BoundingFrustumReader();
                RayReader hRayReader = new RayReader();
                ListReader<char> hCharListReader = new ListReader<Char>();
                ListReader<Rectangle> hRectangleListReader = new ListReader<Rectangle>();
                ArrayReader<Rectangle> hRectangleArrayReader = new ArrayReader<Rectangle>();
                ListReader<Vector3> hVector3ListReader = new ListReader<Vector3>();
                ListReader<StringReader> hStringListReader = new ListReader<StringReader>();
                ListReader<int> hIntListReader = new ListReader<Int32>();
                SpriteFontReader hSpriteFontReader = new SpriteFontReader();
                Texture2DReader hTexture2DReader = new Texture2DReader();
                CharReader hCharReader = new CharReader();
                RectangleReader hRectangleReader = new RectangleReader();
                StringReader hStringReader = new StringReader();
                Vector2Reader hVector2Reader = new Vector2Reader();
                Vector3Reader hVector3Reader = new Vector3Reader();
                Vector4Reader hVector4Reader = new Vector4Reader();
                CurveReader hCurveReader = new CurveReader();
                IndexBufferReader hIndexBufferReader = new IndexBufferReader();
                BoundingBoxReader hBoundingBoxReader = new BoundingBoxReader();
                MatrixReader hMatrixReader = new MatrixReader();
                BasicEffectReader hBasicEffectReader = new BasicEffectReader();
                VertexBufferReader hVertexBufferReader = new VertexBufferReader();
                AlphaTestEffectReader hAlphaTestEffectReader = new AlphaTestEffectReader();
                EnumReader<Microsoft.Xna.Framework.Graphics.SpriteEffects> hEnumSpriteEffectsReader = new EnumReader<Graphics.SpriteEffects>();
                ArrayReader<float> hArrayFloatReader = new ArrayReader<float>();
                ArrayReader<Vector2> hArrayVector2Reader = new ArrayReader<Vector2>();
                ListReader<Vector2> hListVector2Reader = new ListReader<Vector2>();
                ArrayReader<Matrix> hArrayMatrixReader = new ArrayReader<Matrix>();
                EnumReader<Microsoft.Xna.Framework.Graphics.Blend> hEnumBlendReader = new EnumReader<Graphics.Blend>();
                NullableReader<Rectangle> hNullableRectReader = new NullableReader<Rectangle>();
                EffectMaterialReader hEffectMaterialReader = new EffectMaterialReader();
                ExternalReferenceReader hExternalReferenceReader = new ExternalReferenceReader();
                SoundEffectReader hSoundEffectReader = new SoundEffectReader();
                SongReader hSongReader = new SongReader();
                ModelReader hModelReader = new ModelReader();
                Int32Reader hInt32Reader = new Int32Reader();
            }
            #pragma warning restore 0219, 0649

            /* The first content byte i read tells me the number of
             * content readers in this XNB file.
             */
            int numberOfReaders = reader.Read7BitEncodedInt();
            ContentTypeReader[] newReaders = new ContentTypeReader[numberOfReaders];
            BitArray needsInitialize = new BitArray(numberOfReaders);
            contentReaders = new Dictionary<Type, ContentTypeReader>(numberOfReaders);

            /* Lock until we're done allocating and initializing any new
             * content type readers... this ensures we can load content
             * from multiple threads and still cache the readers.
             */
            lock (locker)
            {
                /* For each reader in the file, we read out the
                 * length of the string which contains the type
                 * of the reader, then we read out the string.
                 * Finally we instantiate an instance of that
                 * reader using reflection.
                 */
                for (int i = 0; i < numberOfReaders; i += 1)
                {
                    /* This string tells us what reader we
                     * need to decode the following data.
                     */
                    string originalReaderTypeString = reader.ReadString();

                    Func<ContentTypeReader> readerFunc;
                    if (typeCreators.TryGetValue(originalReaderTypeString, out readerFunc))
                    {
                        newReaders[i] = readerFunc();
                        needsInitialize[i] = true;
                    }
                    else
                    {
                        // Need to resolve namespace differences
                        string readerTypeString = originalReaderTypeString;
                        readerTypeString = PrepareType(readerTypeString);

                        Type l_readerType = Type.GetType(readerTypeString);
                        if (l_readerType != null)
                        {
                            ContentTypeReader typeReader;
                            if (!contentReadersCache.TryGetValue(l_readerType, out typeReader))
                            {
                                try
                                {
                                    typeReader = l_readerType.GetDefaultConstructor().Invoke(null) as ContentTypeReader;
                                }
                                catch (TargetInvocationException ex)
                                {
                                    /* If you are getting here, the Mono runtime
                                     * is most likely not able to JIT the type.
                                     * In particular, MonoTouch needs help
                                     * instantiating types that are only defined
                                     * in strings in Xnb files.
                                     */
                                    throw new InvalidOperationException(
                                        "Failed to get default constructor for ContentTypeReader. " +
                                        "To work around, add a creation function to ContentTypeReaderManager.AddTypeCreator() " +
                                        "with the following failed type string: " + originalReaderTypeString,
                                        ex
                                    );
                                }

                                needsInitialize[i] = true;

                                contentReadersCache.Add(l_readerType, typeReader);
                            }

                            newReaders[i] = typeReader;
                        }
                        else
                        {
                            throw new ContentLoadException(
                                    "Could not find ContentTypeReader Type. " +
                                    "Please ensure the name of the Assembly that " +
                                    "contains the Type matches the assembly in the full type name: " +
                                    originalReaderTypeString + " (" + readerTypeString + ")"
                            );
                        }
                    }

                    contentReaders.Add(newReaders[i].TargetType, newReaders[i]);

                    /* I think the next 4 bytes refer to the "Version" of the type reader,
                     * although it always seems to be zero.
                     */
                    reader.ReadInt32();
                }

                // Initialize any new readers.
                for (int i = 0; i < newReaders.Length; i += 1)
                {
                    if (needsInitialize.Get(i))
                    {
                        newReaders[i].Initialize(this);
                    }
                }
            } // lock (locker)

            return newReaders;
        }
		internal ContentTypeReader[] LoadAssetReaders(ContentReader reader)
        {
#pragma warning disable 0219, 0649
            // Trick to prevent the linker removing the code, but not actually execute the code
            if (falseflag)
            {
                // Dummy variables required for it to work on iDevices ** DO NOT DELETE ** 
                // This forces the classes not to be optimized out when deploying to iDevices
                var hByteReader = new ByteReader();
                var hSByteReader = new SByteReader();
                var hDateTimeReader = new DateTimeReader();
                var hDecimalReader = new DecimalReader();
                var hBoundingSphereReader = new BoundingSphereReader();
                var hBoundingFrustumReader = new BoundingFrustumReader();
                var hRayReader = new RayReader();
                var hCharListReader = new ListReader<Char>();
                var hRectangleListReader = new ListReader<Rectangle>();
                var hRectangleArrayReader = new ArrayReader<Rectangle>();
                var hVector3ListReader = new ListReader<Vector3>();
                var hStringListReader = new ListReader<StringReader>();
				var hIntListReader = new ListReader<Int32>();
                var hSpriteFontReader = new SpriteFontReader();
                var hTexture2DReader = new Texture2DReader();
                var hCharReader = new CharReader();
                var hRectangleReader = new RectangleReader();
                var hStringReader = new StringReader();
                var hVector2Reader = new Vector2Reader();
                var hVector3Reader = new Vector3Reader();
                var hVector4Reader = new Vector4Reader();
                var hCurveReader = new CurveReader();
                var hIndexBufferReader = new IndexBufferReader();
                var hBoundingBoxReader = new BoundingBoxReader();
                var hMatrixReader = new MatrixReader();
                var hBasicEffectReader = new BasicEffectReader();
                var hVertexBufferReader = new VertexBufferReader();
                var hAlphaTestEffectReader = new AlphaTestEffectReader();
                var hEnumSpriteEffectsReader = new EnumReader<Graphics.SpriteEffects>();
                var hArrayFloatReader = new ArrayReader<float>();
                var hArrayVector2Reader = new ArrayReader<Vector2>();
                var hListVector2Reader = new ListReader<Vector2>();
                var hArrayMatrixReader = new ArrayReader<Matrix>();
                var hEnumBlendReader = new EnumReader<Graphics.Blend>();
                var hNullableRectReader = new NullableReader<Rectangle>();
				var hEffectMaterialReader = new EffectMaterialReader();
				var hExternalReferenceReader = new ExternalReferenceReader();
                var hSoundEffectReader = new SoundEffectReader();
                var hSongReader = new SongReader();
                var hModelReader = new ModelReader();
                var hInt32Reader = new Int32Reader();

                // At the moment the Video class doesn't exist
                // on all platforms... Allow it to compile anyway.
#if ANDROID || IOS || MONOMAC || (WINDOWS && !OPENGL) || (WINRT && !WINDOWS_PHONE)
                var hVideoReader = new VideoReader();
#endif
            }
#pragma warning restore 0219, 0649

		    // The first content byte i read tells me the number of content readers in this XNB file
            var numberOfReaders = reader.Read7BitEncodedInt();
            var contentReaders = new ContentTypeReader[numberOfReaders];
            var needsInitialize = new BitArray(numberOfReaders);
            _contentReaders = new Dictionary<Type, ContentTypeReader>(numberOfReaders);

            // Lock until we're done allocating and initializing any new
            // content type readers...  this ensures we can load content
            // from multiple threads and still cache the readers.
            lock (_locker)
            {
                // For each reader in the file, we read out the length of the string which contains the type of the reader,
                // then we read out the string. Finally we instantiate an instance of that reader using reflection
                for (var i = 0; i < numberOfReaders; i++)
                {
                    // This string tells us what reader we need to decode the following data
                    // string readerTypeString = reader.ReadString();
                    string originalReaderTypeString = reader.ReadString();

                    Func<ContentTypeReader> readerFunc;
                    if (typeCreators.TryGetValue(originalReaderTypeString, out readerFunc))
                    {
                        contentReaders[i] = readerFunc();
                        needsInitialize[i] = true;
                    }
                    else
                    {
                        //System.Diagnostics.Debug.WriteLine(originalReaderTypeString);

                        // Need to resolve namespace differences
                        string readerTypeString = originalReaderTypeString;

                        readerTypeString = PrepareType(readerTypeString);

                        var l_readerType = Type.GetType(readerTypeString);
                        if (l_readerType != null)
                        {
                            ContentTypeReader typeReader;
                            if (!_contentReadersCache.TryGetValue(l_readerType, out typeReader))
                            {
                                try
                                {
                                    typeReader = l_readerType.GetDefaultConstructor().Invoke(null) as ContentTypeReader;
                                }
                                catch (TargetInvocationException ex)
                                {
                                    // If you are getting here, the Mono runtime is most likely not able to JIT the type.
                                    // In particular, MonoTouch needs help instantiating types that are only defined in strings in Xnb files. 
                                    throw new InvalidOperationException(
                                        "Failed to get default constructor for ContentTypeReader. To work around, add a creation function to ContentTypeReaderManager.AddTypeCreator() " +
                                        "with the following failed type string: " + originalReaderTypeString, ex);
                                }

                                needsInitialize[i] = true;

                                _contentReadersCache.Add(l_readerType, typeReader);
                            }

                            contentReaders[i] = typeReader;
                        }
                        else
                            throw new ContentLoadException(
                                    "Could not find ContentTypeReader Type. Please ensure the name of the Assembly that contains the Type matches the assembly in the full type name: " +
                                    originalReaderTypeString + " (" + readerTypeString + ")");
                    }

                    var targetType = contentReaders[i].TargetType;
                    if (targetType != null)
                      _contentReaders.Add(targetType, contentReaders[i]);

                    // I think the next 4 bytes refer to the "Version" of the type reader,
                    // although it always seems to be zero
                    reader.ReadInt32();
                }

                // Initialize any new readers.
                for (var i = 0; i < contentReaders.Length; i++)
                {
                    if (needsInitialize.Get(i))
                        contentReaders[i].Initialize(this);
                }

            } // lock (_locker)

		    return contentReaders;
        }
Пример #3
0
 private NumericCodec(int size, Int32Reader reader, Int32Writer writer, int min, int max) =>
 (Size, this.reader, this.writer, Min, Max) = (size, reader, writer, min, max);