示例#1
0
        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();
                var hEffectReader            = new EffectReader();
                var hSingleReader            = new SingleReader();

                // At the moment the Video class doesn't exist
                // on all platforms... Allow it to compile anyway.
#if ANDROID || (IOS && !TVOS) || MONOMAC || (WINDOWS && !OPENGL) || WINDOWS_UAP
                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)
                    {
                        if (!_contentReaders.ContainsKey(targetType))
                        {
                            _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);
        }
示例#2
0
        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);
        }