コード例 #1
0
        public static MidiData parse(FileStream input_file_stream)
        {
            var input_binary_reader = new BinaryReader(input_file_stream);

            HeaderChunk header_chunk;
            ushort      number_of_tracks;
            {
                var header_chunk_ID   = stringEncoder.GetString(input_binary_reader.ReadBytes(4));
                var header_chunk_size = BitConverter.ToInt32(input_binary_reader.ReadBytes(4).Reverse().ToArray <byte>(), 0);
                var header_chunk_data = input_binary_reader.ReadBytes(header_chunk_size);

                var format_type = BitConverter.ToUInt16(header_chunk_data.Take(2).Reverse().ToArray <byte>(), 0);
                number_of_tracks = BitConverter.ToUInt16(header_chunk_data.Skip(2).Take(2).Reverse().ToArray <byte>(), 0);
                var time_division = BitConverter.ToUInt16(header_chunk_data.Skip(4).Take(2).Reverse().ToArray <byte>(), 0);

                header_chunk = new HeaderChunk(format_type, time_division);
            }

            var tracks =
                Enumerable.Range(0, number_of_tracks)
                .Select(track_number =>
            {
                var track_chunk_ID   = stringEncoder.GetString(input_binary_reader.ReadBytes(4));
                var track_chunk_size = BitConverter.ToInt32(input_binary_reader.ReadBytes(4).Reverse().ToArray <byte>(), 0);
                var track_chunk_data = input_binary_reader.ReadBytes(track_chunk_size);

                return(Tuple.Create(track_chunk_size, track_chunk_data));
            }).ToList()
                .Select(raw_track => new TrackChunk(parse_events(raw_track.Item2, raw_track.Item1)));

            return(new MidiData(header_chunk, tracks));
        }
コード例 #2
0
        public void Update(Session session, JET_DBID dbid, Action <string> output)
        {
            using (var table = new Table(session, dbid, "indexes_stats", OpenTableGrbit.None))
            {
                byte[]       defaultValue = BitConverter.GetBytes(1);
                JET_COLUMNID columnid;
                Api.JetAddColumn(session, table, "priority", new JET_COLUMNDEF
                {
                    coltyp = JET_coltyp.Long,
                    grbit  = ColumndefGrbit.ColumnFixed | ColumndefGrbit.ColumnNotNULL
                }, defaultValue, defaultValue.Length, out columnid);

                defaultValue = BitConverter.GetBytes(0);
                Api.JetAddColumn(session, table, "created_timestamp", new JET_COLUMNDEF
                {
                    cbMax  = 8, //64 bits
                    coltyp = JET_coltyp.Binary,
                    grbit  = ColumndefGrbit.ColumnFixed | ColumndefGrbit.ColumnNotNULL
                }, defaultValue, defaultValue.Length, out columnid);

                Api.JetAddColumn(session, table, "last_indexing_time", new JET_COLUMNDEF
                {
                    cbMax  = 8,                    //64 bits
                    coltyp = JET_coltyp.Binary,
                    grbit  = ColumndefGrbit.ColumnFixed | ColumndefGrbit.ColumnNotNULL
                }, defaultValue, defaultValue.Length, out columnid);
            }

            SchemaCreator.UpdateVersion(session, dbid, "4.6");
        }
コード例 #3
0
        public void WriteFloat(double value)
        {
            this.PrepareValue();

            // ReSharper disable once CompareOfFloatsByEqualityOperator
            if (!this.forceFloat64 && value == (float)value)
            {
                // TODO: Increase testing coverage
                this.containerStack.IncreaseCurrentContainerLength(5);
                this.dataBuffer.WriteByte(TidFloatByte | 4);
                this.dataBuffer.WriteUint32(BitConverterEx.SingleToInt32Bits((float)value));
            }
            else
            {
                this.containerStack.IncreaseCurrentContainerLength(9);
                this.dataBuffer.WriteByte(TidFloatByte | 8);

                if (double.IsNaN(value))
                {
                    // Double.NaN is different between C# and Java
                    // For consistency, map NaN to the long value for NaN in Java
                    this.dataBuffer.WriteUint64(0x7ff8000000000000L);
                }
                else
                {
                    this.dataBuffer.WriteUint64(BitConverter.DoubleToInt64Bits(value));
                }
            }

            this.FinishValue();
        }
コード例 #4
0
        public static ASN1 FromInt32(Int32 value)
        {
            byte[] integer = BitConverterLE.GetBytes(value);
            Array.Reverse(integer);
            int x = 0;

            while ((x < integer.Length) && (integer[x] == 0x00))
            {
                x++;
            }
            ASN1 asn1 = new ASN1(0x02);

            switch (x)
            {
            case 0:
                asn1.Value = integer;
                break;

            case 4:
                asn1.Value = new byte[1];
                break;

            default:
                byte[] smallerInt = new byte[4 - x];
                Buffer.BlockCopy(integer, x, smallerInt, 0, smallerInt.Length);
                asn1.Value = smallerInt;
                break;
            }
            return(asn1);
        }
コード例 #5
0
            public void Randomize(double num)
            {
                int num1 = _seed;
                int num2 = !BitConverter.IsLittleEndian ? BitConverter.ToInt32(BitConverter.GetBytes(num), 0) : BitConverter.ToInt32(BitConverter.GetBytes(num), 4);
                int num3 = (num2 & (int)ushort.MaxValue ^ num2 >> 16) << 8;
                int num4 = num1 & -16776961 | num3;

                _seed = num4;
            }
コード例 #6
0
        public byte[] GetHeaderPage()
        {
            _byteIterator = 0;
            var headerPage = new byte[Static.PageSize];

            Array.Copy(BC.GetBytes(RootIndex), 0, headerPage, _byteIterator, sizeof(long));
            _byteIterator += sizeof(long);

            return(headerPage);
        }
コード例 #7
0
        /// <summary>
        ///
        /// </summary>
        /// <param name="exp"></param>
        /// <returns></returns>
        public static double PowerOf2(int exp)
        {
            if (exp > 1023 || exp < -1022)
            {
                throw new ArgumentException("Exponent out of bounds");
            }
            long expBias = exp + ExponentBias;
            long bits    = expBias << 52;

            return(BitConverter.Int64BitsToDouble(bits));
        }
コード例 #8
0
            public void Randomize()
            {
                System.DateTime now   = System.DateTime.Now;
                float           timer = (float)checked ((60 * now.Hour + now.Minute) * 60 + now.Second) + (float)now.Millisecond / 1000f;
                int             num1  = _seed;
                int             num2  = BitConverter.ToInt32(BitConverter.GetBytes(timer), 0);
                int             num3  = (num2 & (int)ushort.MaxValue ^ num2 >> 16) << 8;
                int             num4  = num1 & -16776961 | num3;

                _seed = num4;
            }
コード例 #9
0
ファイル: TcpStressTest.cs プロジェクト: radtek/_Proxy
    private static void TransferHeaders(Socket socket, int txDataLen, out int rxDataLen)
    {
        socket.Blocking = true;
        socket.Send(BitConverter.GetBytes(txDataLen));
        byte[] buf4 = new byte[4];
        int    len  = socket.Receive(buf4);

        if (len != 4)
        {
            throw new ApplicationException("Incomplete header received, len=" + len);
        }
        rxDataLen = BitConverter.ToInt32(buf4, 0);
    }
コード例 #10
0
 public void WriteRpcLog(int gameCode, string ipAddress, Shared.RpcCalls rpcCall, byte[] data)
 {
     if (data.Length > 240)
     {
         throw new Exception("Too much data. Please write max. 255 bytes at a time.");
     }
     BeginWriteLine((byte)Shared.LogType.Rpc, GetTime());
     EncodeStream.WriteByte((byte)rpcCall);
     EncodeStream.Write(BitConverter.GetBytes(gameCode), 0, 4);
     EncodeStream.Write((IPAddress.Parse(ipAddress).GetAddressBytes()), 0, 4);
     EncodeStream.Write(data, 0, data.Length);
     EndWriteLine();
 }
コード例 #11
0
 private UInt32 RVAtoPosition(UInt32 r, int sections, byte[] headers)
 {
     for (int i = 0; i < sections; i++)
     {
         UInt32 p = BitConverterLE.ToUInt32(headers, i * 40 + 20);
         UInt32 s = BitConverterLE.ToUInt32(headers, i * 40 + 12);
         var    l = (int)BitConverterLE.ToUInt32(headers, i * 40 + 8);
         if ((s <= r) && (r < s + l))
         {
             return(p + r - s);
         }
     }
     return(0);
 }
コード例 #12
0
            public static RpcLog Deserialize(SelfDecoder.BinaryLog source)
            {
                var log = new RpcLog();

                log.Type = (Shared.RpcCalls)source.LogData[0];
                var buffer = new byte[4];

                Buffer.BlockCopy(source.LogData, 1, buffer, 0, 4);
                log.GameCode = BitConverter.ToInt32(buffer, 0);
                Buffer.BlockCopy(source.LogData, 5, buffer, 0, 4);
                log.IpAddress = new IPAddress(buffer).ToString();
                buffer        = new byte[source.LogData.Length - 9];
                Buffer.BlockCopy(source.LogData, 9, buffer, 0, buffer.Length);
                log.RpcData = buffer;
                return(log);
            }
コード例 #13
0
            public float VBNext(float num)
            {
                int num1 = _seed;

                if ((double)num != 0.0)
                {
                    if ((double)num < 0.0)
                    {
                        long num2 = (long)BitConverter.ToInt32(BitConverter.GetBytes(num), 0) & (long)uint.MaxValue;
                        num1 = checked ((int)(num2 + (num2 >> 24) & 16777215L));
                    }
                    num1 = checked ((int)((long)num1 * 1140671485L + 12820163L & 16777215L));
                }
                _seed = num1;
                return((float)num1 / 1.677722E+07f);
            }
コード例 #14
0
        /// <summary>
        /// Computes a hash code for a double value, using the algorithm from
        /// Joshua Bloch's book <i>Effective Java"</i>
        /// </summary>
        /// <param name="value">A hashcode for the double value</param>
        public static int GetHashCode(double value)
        {
            /*
             * From the java language specification, it says:
             *
             * The value of n>>>s is n right-shifted s bit positions with zero-extension.
             * If n is positive, then the result is the same as that of n>>s; if n is
             * negative, the result is equal to that of the expression (n>>s)+(2<<~s) if
             * the type of the left-hand operand is int
             */
            var f = BitConverter.DoubleToInt64Bits(value);

            //if (f > 0)
            return((int)(f ^ (f >> 32)));
            //return (int) (f ^ ((f >> 32) + (2 << ~32)));
        }
コード例 #15
0
        public override async Task Decode(EbmlParser parser, bool forceDecode = false)
        {
            if (Decoded && !forceDecode)
            {
                return;
            }
            if (parser == null)
            {
                throw new ArgumentNullException(nameof(parser));
            }
            if (parser.DataAccessor == null)
            {
                throw new InvalidOperationException(
                          ExceptionsResourceManager.ResourceManager.GetString("InvalidDecodeState", CultureInfo.CurrentCulture));
            }

            switch (DataSize.DataSize)
            {
            case 0:
                Value = 0;
                break;

            case 4:
                var floatBuffer = new byte[4];
                parser.DataAccessor.Position = DataPosition;
                await parser.DataAccessor.ReadAsync(floatBuffer, 0, 4).ConfigureAwait(false);

                Utility.ConvertEndiannes(floatBuffer);
                Value = BitConverter.ToSingle(floatBuffer);
                break;

            case 8:
                var doubleBuffer = new byte[8];
                parser.DataAccessor.Position = DataPosition;
                await parser.DataAccessor.ReadAsync(doubleBuffer, 0, 8).ConfigureAwait(false);

                Utility.ConvertEndiannes(doubleBuffer);
                Value = BitConverter.ToDouble(doubleBuffer);
                break;

            default:
                throw new DecodeException("Can not decode a decimal number that is not either 0, 4 or 8 bytes long");
            }

            Decoded = true;
        }
コード例 #16
0
        /// <summary>
        /// Return HashCode.
        /// </summary>
        public override int GetHashCode()
        {
            long bits0 = BitConverter.DoubleToInt64Bits(_p0.X);

            bits0 ^= BitConverter.DoubleToInt64Bits(_p0.Y) * 31;
            int hash0 = (((int)bits0) ^ ((int)(bits0 >> 32)));

            long bits1 = BitConverter.DoubleToInt64Bits(_p1.X);

            bits1 ^= BitConverter.DoubleToInt64Bits(_p1.Y) * 31;
            int hash1 = (((int)bits1) ^ ((int)(bits1 >> 32)));

            // XOR is supposed to be a good way to combine hashcodes
            return(hash0 ^ hash1);

            //return base.GetHashCode();
        }
コード例 #17
0
            public static BinaryLog Deserialize(MemoryStream stream, byte baseLength)
            {
                var type   = stream.ReadByte();
                var buffer = new byte[8];

                stream.Read(buffer, 0, 8);
                var epoch = BitConverter.ToUInt64(buffer, 0);

                buffer = new byte[baseLength - 9];
                stream.Read(buffer, 0, buffer.Length);
                return(new BinaryLog
                {
                    BaseLength = baseLength,
                    Type = (Shared.LogType)type,
                    TimeStamp = GetTime(epoch),
                    LogData = buffer
                });
            }
コード例 #18
0
ファイル: RawBinaryWriter.cs プロジェクト: dhhoang/IonDotnet
        public void WriteFloat(double value)
        {
            PrepareValue();

            // ReSharper disable once CompareOfFloatsByEqualityOperator
            if (value == (float)value)
            {
                //TODO requires careful testing
                _containerStack.IncreaseCurrentContainerLength(5);
                _dataBuffer.WriteByte(TidFloatByte | 4);
                _dataBuffer.WriteUint32(BitConverterEx.SingleToInt32Bits((float)value));
            }
            else
            {
                _containerStack.IncreaseCurrentContainerLength(9);
                _dataBuffer.WriteByte(TidFloatByte | 8);
                _dataBuffer.WriteUint64(BitConverterEx.DoubleToInt64Bits(value));
            }

            FinishValue();
        }
コード例 #19
0
        public BTreePage(byte[] pageData)
        {
            _byteIterator = 0;



            Records = new List <NodeRecord> {
                Capacity = (int)Static.MemMax
            };
            Childrens = new List <long> {
                Capacity = (int)Static.ChilMax
            };

            ParentIndex     = BC.ToInt64(pageData, _byteIterator);
            _byteIterator  += sizeof(long);
            SelfIndex       = BC.ToInt64(pageData, _byteIterator);
            _byteIterator  += sizeof(long);
            _presentRecords = BC.ToInt64(pageData, _byteIterator);
            _byteIterator  += sizeof(long);
            IsLeaf          = BC.ToBoolean(pageData, _byteIterator);
            _byteIterator  += sizeof(bool);

            for (var i = 0; i < _presentRecords; i++)
            {
                var key = BC.ToInt64(pageData, _byteIterator);
                _byteIterator += sizeof(long);
                var pageIndex = BC.ToInt64(pageData, _byteIterator);
                _byteIterator += sizeof(long);

                Records.Add(new NodeRecord(key, pageIndex));
            }
            if (!IsLeaf)
            {
                for (var i = 0; i < _presentRecords + 1; i++)
                {
                    Childrens.Add(BC.ToInt64(pageData, _byteIterator));
                    _byteIterator += sizeof(long);
                }
            }
        }
コード例 #20
0
ファイル: DataPage.cs プロジェクト: HAndy2013/index-file
        public DataPage(byte[] page)
        {
            _byteIterator = 0;

            Records = new List <Record> {
                Capacity = Static.GetRecordsPerPage()
            };
            UsedSpace      = BC.ToInt32(page, _byteIterator);
            _byteIterator += sizeof(int);

            for (var i = 0; i < UsedSpace; i++)
            {
                var key = BC.ToUInt32(page, _byteIterator);
                _byteIterator += sizeof(uint);
                var radius = BC.ToDouble(page, _byteIterator);
                _byteIterator += sizeof(double);
                var angle = BC.ToInt16(page, _byteIterator);
                _byteIterator += sizeof(short);

                Records.Add(new Record(key, radius, angle));
            }
        }
コード例 #21
0
ファイル: DataPage.cs プロジェクト: HAndy2013/index-file
        public byte[] GetDataPage()
        {
            _byteIterator = 0;
            UsedSpace     = Records.Count;

            var page = new byte[Static.PageSize];

            Array.Copy(BC.GetBytes(UsedSpace), 0, page, _byteIterator, sizeof(int));
            _byteIterator += sizeof(int);


            for (var i = 0; i < UsedSpace; i++)
            {
                Array.Copy(BC.GetBytes(Records[i].Key), 0, page, _byteIterator, sizeof(uint));
                _byteIterator += sizeof(uint);
                Array.Copy(BC.GetBytes(Records[i].Radius), 0, page, _byteIterator, sizeof(double));
                _byteIterator += sizeof(double);
                Array.Copy(BC.GetBytes(Records[i].Angle), 0, page, _byteIterator, sizeof(short));
                _byteIterator += sizeof(short);
            }

            return(page);
        }
コード例 #22
0
        public byte[] GetBTreePage()
        {
            _byteIterator = 0;
            var page = new byte[Static.PageSize];

            _presentRecords = Records.Count;

            Array.Copy(BC.GetBytes(ParentIndex), 0, page, _byteIterator, sizeof(long));
            _byteIterator += sizeof(long);
            Array.Copy(BC.GetBytes(SelfIndex), 0, page, _byteIterator, sizeof(long));
            _byteIterator += sizeof(long);
            Array.Copy(BC.GetBytes(_presentRecords), 0, page, _byteIterator, sizeof(long));
            _byteIterator += sizeof(long);
            Array.Copy(BC.GetBytes(IsLeaf), 0, page, _byteIterator, sizeof(bool));
            _byteIterator += sizeof(bool);

            for (var i = 0; i < _presentRecords; i++)
            {
                var key       = BC.GetBytes(Records[i].Key);
                var pageIndex = BC.GetBytes(Records[i].RecordIndex);

                Array.Copy(key, 0, page, _byteIterator, sizeof(long));
                _byteIterator += sizeof(long);
                Array.Copy(pageIndex, 0, page, _byteIterator, sizeof(long));
                _byteIterator += sizeof(long);
            }
            if (!IsLeaf)
            {
                for (var i = 0; i < _presentRecords + 1; i++)
                {
                    Array.Copy(BC.GetBytes(Childrens[i]), 0, page, _byteIterator, sizeof(long));
                    _byteIterator += sizeof(long);
                }
            }

            return(page);
        }
コード例 #23
0
 /// <summary>
 ///
 /// </summary>
 /// <param name="x"></param>
 public DoubleBits(double x)
 {
     this.x = x;
     _xBits = BitConverter.DoubleToInt64Bits(x);
 }
コード例 #24
0
ファイル: Envelope.cs プロジェクト: tyaleze/GeoAPI
        private static int GetHashCode(double value)
        {
            var f = BitConverter.DoubleToInt64Bits(value);

            return((int)(f ^ (f >> 32)));
        }
コード例 #25
0
 private void BeginWriteLine(byte logType, UInt64 unixTimeMs)
 {
     EncodeStream.WriteByte(logType);
     EncodeStream.Write(BitConverter.GetBytes(unixTimeMs), 0, 8);
 }
コード例 #26
0
        private static MIDIEvent_Length_Tuple next_event(ByteEnumerable track_data, int start_index, byte last_midi_channel)
        {
            var i = start_index - 1;

            MidiEvent midi_event = null;

            {
                var delta_time = 0;
                {
                    var length_temp = new ByteList();
                    do
                    {
                        i += 1;
                        length_temp.Add(track_data.ElementAt(i));
                    } while (track_data.ElementAt(i) > 0x7F);

                    delta_time = VariableLengthUtil.decode_to_int(length_temp);
                }

                i += 1;

                var event_type_value = track_data.ElementAt(i);

                // MIDI Channel Events
                if ((event_type_value & 0xF0) < 0xF0)
                {
                    var midi_channel_event_type = (byte)(event_type_value & 0xF0);
                    var midi_channel            = (byte)(event_type_value & 0x0F);
                    i += 1;
                    var parameter_1 = track_data.ElementAt(i);
                    var parameter_2 = (byte)0x00;

                    // One or two parameter type
                    switch (midi_channel_event_type)
                    {
                    // One parameter types
                    case 0xC0:
                        midi_event        = new ProgramChangeEvent(delta_time, midi_channel, parameter_1);
                        last_midi_channel = midi_channel;
                        break;

                    case 0xD0:
                        midi_event        = new ChannelAftertouchEvent(delta_time, midi_channel, parameter_1);
                        last_midi_channel = midi_channel;
                        break;

                    // Two parameter types
                    case 0x80:
                        i                += 1;
                        parameter_2       = track_data.ElementAt(i);
                        midi_event        = new NoteOffEvent(delta_time, midi_channel, parameter_1, parameter_2);
                        last_midi_channel = midi_channel;
                        break;

                    case 0x90:
                        i                += 1;
                        parameter_2       = track_data.ElementAt(i);
                        midi_event        = new NoteOnEvent(delta_time, midi_channel, parameter_1, parameter_2);
                        last_midi_channel = midi_channel;
                        break;

                    case 0xA0:
                        i                += 1;
                        parameter_2       = track_data.ElementAt(i);
                        midi_event        = new NoteAftertouchEvent(delta_time, midi_channel, parameter_1, parameter_2);
                        last_midi_channel = midi_channel;
                        break;

                    case 0xB0:
                        i                += 1;
                        parameter_2       = track_data.ElementAt(i);
                        midi_event        = new ControllerEvent(delta_time, midi_channel, parameter_1, parameter_2);
                        last_midi_channel = midi_channel;
                        break;

                    case 0xE0:
                        i                += 1;
                        parameter_2       = track_data.ElementAt(i);
                        midi_event        = new PitchBendEvent(delta_time, midi_channel, parameter_1, parameter_2);
                        last_midi_channel = midi_channel;
                        break;

                    // Might be a Control Change Messages LSB
                    default:
                        midi_event = new ControllerEvent(delta_time, last_midi_channel, event_type_value, parameter_1);
                        break;
                    }

                    i += 1;
                }
                // Meta Events
                else if (event_type_value == 0xFF)
                {
                    i += 1;
                    var meta_event_type = track_data.ElementAt(i);
                    i += 1;
                    var meta_event_length = track_data.ElementAt(i);
                    i += 1;
                    var meta_event_data = Enumerable.Range(i, meta_event_length).Select(b => track_data.ElementAt(b)).ToArray();

                    switch (meta_event_type)
                    {
                    case 0x00:
                        midi_event = new SequenceNumberEvent(BitConverter.ToUInt16(meta_event_data.Reverse().ToArray <byte>(), 0));
                        break;

                    case 0x01:
                        midi_event = new TextEvent(delta_time, stringEncoder.GetString(meta_event_data));
                        break;

                    case 0x02:
                        midi_event = new CopyrightNoticeEvent(stringEncoder.GetString(meta_event_data));
                        break;

                    case 0x03:
                        midi_event = new SequenceOrTrackNameEvent(stringEncoder.GetString(meta_event_data));
                        break;

                    case 0x04:
                        midi_event = new InstrumentNameEvent(delta_time, stringEncoder.GetString(meta_event_data));
                        break;

                    case 0x05:
                        midi_event = new LyricsEvent(delta_time, stringEncoder.GetString(meta_event_data));
                        break;

                    case 0x06:
                        midi_event = new MarkerEvent(delta_time, stringEncoder.GetString(meta_event_data));
                        break;

                    case 0x07:
                        midi_event = new CuePointEvent(delta_time, stringEncoder.GetString(meta_event_data));
                        break;

                    case 0x20:
                        midi_event = new MIDIChannelPrefixEvent(delta_time, meta_event_data[0]);
                        break;

                    case 0x2F:
                        midi_event = new EndOfTrackEvent(delta_time);
                        break;

                    case 0x51:
                        var tempo =
                            (meta_event_data[2] & 0x0F) +
                            ((meta_event_data[2] & 0xF0) * 16) +
                            ((meta_event_data[1] & 0x0F) * 256) +
                            ((meta_event_data[1] & 0xF0) * 4096) +
                            ((meta_event_data[0] & 0x0F) * 65536) +
                            ((meta_event_data[0] & 0xF0) * 1048576);
                        midi_event = new SetTempoEvent(delta_time, tempo);
                        break;

                    case 0x54:
                        midi_event = new SMPTEOffsetEvent(delta_time, meta_event_data[0], meta_event_data[1], meta_event_data[2], meta_event_data[3], meta_event_data[4]);
                        break;

                    case 0x58:
                        midi_event = new TimeSignatureEvent(delta_time, meta_event_data[0], meta_event_data[1], meta_event_data[2], meta_event_data[3]);
                        break;

                    case 0x59:
                        midi_event = new KeySignatureEvent(delta_time, meta_event_data[0], meta_event_data[1]);
                        break;

                    case 0x7F:
                        midi_event = new SequencerSpecificEvent(delta_time, meta_event_data);
                        break;
                    }

                    i += meta_event_length;
                }
                // System Exclusive Events
                else if (event_type_value == 0xF0 || event_type_value == 0xF7)
                {
                    var event_length = 0;
                    {
                        var length_temp = new ByteList();
                        do
                        {
                            i += 1;
                            length_temp.Add(track_data.ElementAt(i));
                        } while (track_data.ElementAt(i) > 0x7F);

                        event_length = VariableLengthUtil.decode_to_int(length_temp);
                    }

                    i += 1;

                    var event_data = Enumerable.Range(i, event_length).Select(b => track_data.ElementAt(b));

                    midi_event = new SysexEvent(delta_time, event_type_value, event_data);

                    i += event_length;
                }
            }

            switch (midi_event != null)
            {
            case true:
                return(new MIDIEvent_Length_Tuple(new SomeMidiEvent(midi_event), i - start_index, last_midi_channel));
            }

            return(new MIDIEvent_Length_Tuple(new NoMidiEvent(), i - start_index, last_midi_channel));
        }
コード例 #27
0
        private void _ReadEmblemFullInfo()
        {
            //loop here in case it runs this too early and reads 0 max emblems because it's not initialized in the game yet
            int tries = 0, maxEmblems = 0, maxExtra = 0;

            do
            {
                //read the number of emblems loaded into the game
                byte[] maxEmblemsBuffer = new byte[4];
                byte[] maxExtraBuffer   = new byte[4];

                ReadProcessMemory(gameProc.Handle, MAX_EMBLEMS_ADDRESS, maxEmblemsBuffer, 4, IntPtr.Zero);
                ReadProcessMemory(gameProc.Handle, MAX_EXTRA_EMBLEMS_ADDRESS, maxExtraBuffer, 4, IntPtr.Zero);

                maxEmblems = BC.ToInt32(maxEmblemsBuffer, 0);
                maxExtra   = BC.ToInt32(maxExtraBuffer, 0);

                if (maxEmblems + maxExtra != 0)
                {
                    break;
                }

                Thread.Sleep(2000);
                tries++;
            }while (tries < 5);

            Emblems      = new Emblem[maxEmblems];
            ExtraEmblems = new ExtraEmblem[maxExtra];

            byte[] currentEmblem = new byte[128]; //size of 1 emblem object in memory

            int address = EMBLEMS_ADDRESS;

            for (int i = 0; i < Emblems.Length; i++)
            {
                ReadProcessMemory(gameProc.Handle, address, currentEmblem, currentEmblem.Length, IntPtr.Zero);
                //WriteProcessMemory(gameProc.Handle, address + 4, new byte[1] { 1 }, 1, IntPtr.Zero); //for the fun stuff
                Emblems[i] = new Emblem()
                {
                    type      = currentEmblem[0],
                    tag       = BC.ToInt16(currentEmblem, 2),
                    level     = BC.ToInt16(currentEmblem, 4),
                    sprite    = Convert.ToChar(currentEmblem[6]),
                    color     = BC.ToUInt16(currentEmblem, 8),
                    var       = BC.ToInt32(currentEmblem, 12),
                    hint      = Encoding.ASCII.GetString(currentEmblem, 16, 110),
                    collected = currentEmblem[126]
                };

                address += 128;
            }

            currentEmblem = new byte[68]; //size of 1 extra emblem object in memory

            address = EXTRA_EMBLEMS_ADDRESS;
            for (int i = 0; i < ExtraEmblems.Length; i++)
            {
                ReadProcessMemory(gameProc.Handle, address, currentEmblem, currentEmblem.Length, IntPtr.Zero);

                ExtraEmblems[i] = new ExtraEmblem()
                {
                    name             = Encoding.ASCII.GetString(currentEmblem, 0, 20),
                    description      = Encoding.ASCII.GetString(currentEmblem, 20, 40),
                    conditionset     = currentEmblem[60],
                    showconditionset = currentEmblem[61],
                    sprite           = Convert.ToChar(currentEmblem[62]),
                    color            = BC.ToUInt16(currentEmblem, 64),
                    collected        = currentEmblem[66],
                };

                address += 68;
            }

            if (!(previousEmblems.SequenceEqual(Emblems) && previousExtraEmblems.SequenceEqual(ExtraEmblems)))
            {
                EmblemsChangedEvent(this, EmblemsChangedEventArgs.FullInfo);
            }

            previousEmblems      = (Emblem[])Emblems.Clone();
            previousExtraEmblems = (ExtraEmblem[])ExtraEmblems.Clone();
        }
コード例 #28
0
ファイル: ByteUtils.cs プロジェクト: Magiczne/JD-XI-Editor
 /// <summary>
 ///     Wrapper for <see cref="BitConverter.ToInt32">BitConverter.ToInt32</see>
 ///     To automatically check for system endianness.
 /// </summary>
 /// <param name="value"></param>
 /// <param name="startIndex"></param>
 /// <returns></returns>
 public static int ToInt32(byte[] value, int startIndex = 0)
 {
     return(BitConverter.IsLittleEndian
         ? BitConverter.ToInt32(value.Reverse().ToArray(), 0)
         : BitConverter.ToInt32(value, 0));
 }
コード例 #29
0
        internal StrongNameSignature StrongHash(Stream stream, StrongNameOptions options)
        {
            var info = new StrongNameSignature();

            HashAlgorithm hash = HashAlgorithm.Create(TokenAlgorithm);
            var           cs   = new CryptoStream(Stream.Null, hash, CryptoStreamMode.Write);

            // MS-DOS Header - always 128 bytes
            // ref: Section 24.2.1, Partition II Metadata
            var mz = new byte[128];

            stream.Read(mz, 0, 128);
            if (BitConverterLE.ToUInt16(mz, 0) != 0x5a4d)
            {
                return(null);
            }
            UInt32 peHeader = BitConverterLE.ToUInt32(mz, 60);

            cs.Write(mz, 0, 128);
            if (peHeader != 128)
            {
                var mzextra = new byte[peHeader - 128];
                stream.Read(mzextra, 0, mzextra.Length);
                cs.Write(mzextra, 0, mzextra.Length);
            }

            // PE File Header - always 248 bytes
            // ref: Section 24.2.2, Partition II Metadata
            var pe = new byte[248];

            stream.Read(pe, 0, 248);
            if (BitConverterLE.ToUInt32(pe, 0) != 0x4550)
            {
                return(null);
            }
            if (BitConverterLE.ToUInt16(pe, 4) != 0x14c)
            {
                return(null);
            }
            // MUST zeroize both CheckSum and Security Directory
            var v = new byte[8];

            Buffer.BlockCopy(v, 0, pe, 88, 4);
            Buffer.BlockCopy(v, 0, pe, 152, 8);
            cs.Write(pe, 0, 248);

            UInt16 numSection     = BitConverterLE.ToUInt16(pe, 6);
            int    sectionLength  = (numSection * 40);
            var    sectionHeaders = new byte[sectionLength];

            stream.Read(sectionHeaders, 0, sectionLength);
            cs.Write(sectionHeaders, 0, sectionLength);

            UInt32 cliHeaderRVA = BitConverterLE.ToUInt32(pe, 232);
            UInt32 cliHeaderPos = RVAtoPosition(cliHeaderRVA, numSection, sectionHeaders);
            var    cliHeaderSiz = (int)BitConverterLE.ToUInt32(pe, 236);

            // CLI Header
            // ref: Section 24.3.3, Partition II Metadata
            var cli = new byte[cliHeaderSiz];

            stream.Position = cliHeaderPos;
            stream.Read(cli, 0, cliHeaderSiz);

            UInt32 strongNameSignatureRVA = BitConverterLE.ToUInt32(cli, 32);

            info.SignaturePosition = RVAtoPosition(strongNameSignatureRVA, numSection, sectionHeaders);
            info.SignatureLength   = BitConverterLE.ToUInt32(cli, 36);

            UInt32 metadataRVA = BitConverterLE.ToUInt32(cli, 8);

            info.MetadataPosition = RVAtoPosition(metadataRVA, numSection, sectionHeaders);
            info.MetadataLength   = BitConverterLE.ToUInt32(cli, 12);

            if (options == StrongNameOptions.Metadata)
            {
                cs.Close();
                hash.Initialize();
                var metadata = new byte[info.MetadataLength];
                stream.Position = info.MetadataPosition;
                stream.Read(metadata, 0, metadata.Length);
                info.Hash = hash.ComputeHash(metadata);
                return(info);
            }

            // now we hash every section EXCEPT the signature block
            for (int i = 0; i < numSection; i++)
            {
                UInt32 start   = BitConverterLE.ToUInt32(sectionHeaders, i * 40 + 20);
                var    length  = (int)BitConverterLE.ToUInt32(sectionHeaders, i * 40 + 16);
                var    section = new byte[length];
                stream.Position = start;
                stream.Read(section, 0, length);
                if ((start <= info.SignaturePosition) && (info.SignaturePosition < start + length))
                {
                    // hash before the signature
                    var before = (int)(info.SignaturePosition - start);
                    if (before > 0)
                    {
                        cs.Write(section, 0, before);
                    }
                    // copy signature
                    info.Signature = new byte[info.SignatureLength];
                    Buffer.BlockCopy(section, before, info.Signature, 0, (int)info.SignatureLength);
                    Array.Reverse(info.Signature);
                    // hash after the signature
                    var s     = (int)(before + info.SignatureLength);
                    int after = (length - s);
                    if (after > 0)
                    {
                        cs.Write(section, s, after);
                    }
                }
                else
                {
                    cs.Write(section, 0, length);
                }
            }

            cs.Close();
            info.Hash = hash.Hash;
            return(info);
        }
コード例 #30
0
 public BTreeHeaderPage(byte[] headerPage)
 {
     RootIndex      = BC.ToInt64(headerPage, _byteIterator);
     _byteIterator += sizeof(long);
 }