public TmpTDReader(Stream s)
{
var width = s.ReadUInt16();
var height = s.ReadUInt16();
var size = new Size(width, height);
s.Position += 8;
var imgStart = s.ReadUInt32();
s.Position += 8;
var indexEnd = s.ReadInt32();
var indexStart = s.ReadInt32();
s.Position = indexStart;
var count = indexEnd - indexStart;
var tiles = new TmpTile[count];
Frames = tiles.AsReadOnly();
var tilesIndex = 0;
foreach (var b in s.ReadBytes(count))
{
if (b != 255)
{
s.Position = imgStart + b * width * height;
tiles[tilesIndex++] = new TmpTile(s.ReadBytes(width * height), size);
}
else
tiles[tilesIndex++] = new TmpTile(null, size);
}
}
/// <summary>
/// Read the bytes from the stream.
/// </summary>
/// <param name="stream">The current stream.</param>
/// <param name="length">The number of bytes to read.</param>
/// <param name="bufferLength">The buffer length.</param>
/// <returns>The bytes read.</returns>
public static byte[] ReadBytes(this System.IO.Stream stream, int length, int bufferLength)
{
using (MemoryStream res = new MemoryStream())
{
var cnt = length / bufferLength;
var rem = (int)(length % bufferLength);
var buff = new byte[bufferLength];
var end = false;
for (long i = 0; i < cnt; i++)
{
if (!stream.ReadBytes(buff, 0, bufferLength, res))
{
end = true;
break;
}
}
if (!end && rem > 0)
{
stream.ReadBytes(new byte[rem], 0, rem, res);
}
res.Close();
return(res.ToArray());
}
}
public TmpRAReader(Stream s)
{
var width = s.ReadUInt16();
var height = s.ReadUInt16();
var size = new Size(width, height);
s.Position += 12;
var imgStart = s.ReadUInt32();
s.Position += 8;
var indexEnd = s.ReadInt32();
s.Position += 4;
var indexStart = s.ReadInt32();
s.Position = indexStart;
foreach (byte b in s.ReadBytes(indexEnd - indexStart))
{
if (b != 255)
{
s.Position = imgStart + b * width * height;
tiles.Add(new TmpTile(s.ReadBytes(width * height), size));
}
else
tiles.Add(new TmpTile(null, size));
}
}
TmpRAFrame[] ParseFrames(Stream s)
{
var start = s.Position;
var width = s.ReadUInt16();
var height = s.ReadUInt16();
var size = new Size(width, height);
s.Position += 12;
var imgStart = s.ReadUInt32();
s.Position += 8;
var indexEnd = s.ReadInt32();
s.Position += 4;
var indexStart = s.ReadInt32();
s.Position = indexStart;
var count = indexEnd - indexStart;
var tiles = new TmpRAFrame[count];
var tilesIndex = 0;
foreach (var b in s.ReadBytes(count))
{
if (b != 255)
{
s.Position = imgStart + b * width * height;
tiles[tilesIndex++] = new TmpRAFrame(s.ReadBytes(width * height), size);
}
else
tiles[tilesIndex++] = new TmpRAFrame(null, size);
}
s.Position = start;
return tiles;
}
/// <summary>
/// ID3v2タグを読む
/// </summary>
/// <param name="strm"></param>
/// <param name="createImageObject"></param>
/// <returns></returns>
public static ID3tag readID3tag(System.IO.Stream strm, bool createImageObject)
{
// ヘッダ読み込み
byte[] id3_header = strm.ReadBytes(HEADER_LEN);
Header header = readHeader(id3_header);
if (header == null)
{
return(null);
}
if (header.Size >= strm.Length)
{
return(null);
}
ID3tag tag = new ID3tag();
tag.head = header;
// 拡張ヘッダがあるときサイズだけ読んでスキップ
if (tag.head.Flag.HasFlag(HEADER_FLAG.EXTENSION))
{
byte[] ext_header = strm.ReadBytes(EXT_HEADER_LEN);
var size = tag.head.Version == ID3V2_VER.ID3V23
? ReadUInt32(ext_header, 0)
: ReadUInt28(ext_header, 0) - EXT_HEADER_LEN; // v3とv4でEXT_HEADER_LENの扱いが違う
strm.Seek(size, System.IO.SeekOrigin.Current);
}
// 全Frameのデータ領域を読み出す
byte[] frame_buf = strm.ReadBytes(header.Size);
// .2, .3の場合は非同期化の解除
if (header.Version != ID3V2_VER.ID3V24 && header.Flag.HasFlag(HEADER_FLAG.UNSYNC))
{
decodeUnsync(ref frame_buf);
}
// 各Frameのデータ読み出し
var tagBodyStream = new MemoryStream(frame_buf, 0, frame_buf.Length);
while (true)
{
try
{
Frame fr = readFrame(tagBodyStream, tag, createImageObject);
if (fr != null)
{
tag.frame.Add(fr);
}
}
catch (EndOfTagException)
{
break;
}
}
return(tag);
}
public Terrain(Stream s)
{
// Try loading as a cnc .tem
Width = s.ReadUInt16();
Height = s.ReadUInt16();
/*NumTiles = */s.ReadUInt16();
/*Zero1 = */s.ReadUInt16();
/*uint Size = */s.ReadUInt32();
var imgStart = s.ReadUInt32();
/*Zero2 = */s.ReadUInt32();
int indexEnd, indexStart;
// ID1 = FFFFh for cnc
if (s.ReadUInt16() == 65535)
{
/*ID2 = */s.ReadUInt16();
indexEnd = s.ReadInt32();
indexStart = s.ReadInt32();
}
else
{
// Load as a ra .tem
s.Position = 0;
Width = s.ReadUInt16();
Height = s.ReadUInt16();
/*NumTiles = */s.ReadUInt16();
s.ReadUInt16();
/*XDim = */s.ReadUInt16();
/*YDim = */s.ReadUInt16();
/*uint FileSize = */s.ReadUInt32();
imgStart = s.ReadUInt32();
s.ReadUInt32();
s.ReadUInt32();
indexEnd = s.ReadInt32();
s.ReadUInt32();
indexStart = s.ReadInt32();
}
s.Position = indexStart;
foreach (byte b in s.ReadBytes(indexEnd - indexStart))
{
if (b != 255)
{
s.Position = imgStart + b * Width * Height;
TileBitmapBytes.Add(s.ReadBytes(Width * Height));
}
else
TileBitmapBytes.Add(null);
}
}
public ShpTSFrame(Stream s, Size frameSize)
{
var x = s.ReadUInt16();
var y = s.ReadUInt16();
var width = s.ReadUInt16();
var height = s.ReadUInt16();
// Pad the dimensions to an even number to avoid issues with half-integer offsets
var dataWidth = width;
var dataHeight = height;
if (dataWidth % 2 == 1)
dataWidth += 1;
if (dataHeight % 2 == 1)
dataHeight += 1;
Offset = new int2(x + (dataWidth - frameSize.Width) / 2, y + (dataHeight - frameSize.Height) / 2);
Size = new Size(dataWidth, dataHeight);
FrameSize = frameSize;
Format = s.ReadUInt8();
s.Position += 11;
FileOffset = s.ReadUInt32();
if (FileOffset == 0)
return;
// Parse the frame data as we go (but remember to jump back to the header before returning!)
var start = s.Position;
s.Position = FileOffset;
Data = new byte[dataWidth * dataHeight];
if (Format == 3)
{
// Format 3 provides RLE-zero compressed scanlines
for (var j = 0; j < height; j++)
{
var length = s.ReadUInt16() - 2;
Format2.DecodeInto(s.ReadBytes(length), Data, dataWidth * j);
}
}
else
{
// Format 2 provides uncompressed length-prefixed scanlines
// Formats 1 and 0 provide an uncompressed full-width row
var length = Format == 2 ? s.ReadUInt16() - 2 : width;
for (var j = 0; j < height; j++)
s.ReadBytes(Data, dataWidth * j, length);
}
s.Position = start;
}
public ShpTSReader(Stream stream)
{
stream.ReadUInt16();
var width = stream.ReadUInt16();
var height = stream.ReadUInt16();
var size = new Size(width, height);
var frameCount = stream.ReadUInt16();
var frames = new FrameHeader[frameCount];
Frames = frames.AsReadOnly();
for (var i = 0; i < frames.Length; i++)
frames[i] = new FrameHeader(stream, size);
for (var i = 0; i < frameCount; i++)
{
var f = frames[i];
if (f.FileOffset == 0)
continue;
stream.Position = f.FileOffset;
var frameSize = f.Size.Width * f.Size.Height;
// Uncompressed
if (f.Format == 1 || f.Format == 0)
f.Data = stream.ReadBytes(frameSize);
// Uncompressed scanlines
else if (f.Format == 2)
{
f.Data = new byte[frameSize];
for (var j = 0; j < f.Size.Height; j++)
{
var length = stream.ReadUInt16() - 2;
var offset = f.Size.Width * j;
stream.ReadBytes(f.Data, offset, length);
}
}
// RLE-zero compressed scanlines
else if (f.Format == 3)
{
f.Data = new byte[frameSize];
for (var j = 0; j < f.Size.Height; j++)
{
var length = stream.ReadUInt16() - 2;
var offset = f.Size.Width * j;
Format2.DecodeInto(stream.ReadBytes(length), f.Data, offset);
}
}
}
}
public static PfsHeader ReadFromStream(System.IO.Stream s)
{
var start = s.Position;
var hdr = new PfsHeader
{
Version = s.ReadInt64LE(),
Magic = s.ReadInt64LE(),
Id = s.ReadInt64LE(),
Fmode = s.ReadUInt8(),
Clean = s.ReadUInt8(),
ReadOnly = s.ReadUInt8(),
Rsv = s.ReadUInt8(),
Mode = (PfsMode)s.ReadUInt16LE(),
Unk1 = s.ReadUInt16LE(),
BlockSize = s.ReadUInt32LE(),
NBackup = s.ReadUInt32LE(),
NBlock = s.ReadInt64LE(),
DinodeCount = s.ReadInt64LE(),
Ndblock = s.ReadInt64LE(),
DinodeBlockCount = s.ReadInt64LE(),
InodeBlockSig = DinodeS64.ReadFromStream(s)
};
s.Position = start + 0x370;
hdr.Seed = s.ReadBytes(16);
return(hdr);
}
public static PfsHeader ReadFromStream(System.IO.Stream s)
{
var start = s.Position;
var hdr = new PfsHeader
{
Version = s.ReadInt64LE(),
Magic = s.ReadInt64LE(),
Id = s.ReadInt64LE(),
Fmode = s.ReadUInt8(),
Clean = s.ReadUInt8(),
ReadOnly = s.ReadUInt8(),
Rsv = s.ReadUInt8(),
Mode = (PfsMode)s.ReadUInt16LE(),
Unk1 = s.ReadUInt16LE(),
BlockSize = s.ReadUInt32LE(),
NBackup = s.ReadUInt32LE(),
NBlock = s.ReadInt64LE(),
DinodeCount = s.ReadInt64LE(),
Ndblock = s.ReadInt64LE(),
DinodeBlockCount = s.ReadInt64LE(),
};
s.Position += 8; // skip a 64-bit zero
hdr.InodeBlockSig = DinodeS64.ReadFromStream(s);
if (hdr.Version != 1 || hdr.Magic != 20130315)
{
throw new InvalidDataException($"Invalid PFS superblock version ({hdr.Version}) or magic ({hdr.Magic})");
}
s.Position = start + 0x370;
hdr.Seed = s.ReadBytes(16);
return(hdr);
}
public R8Image(Stream s)
{
// Scan forward until we find some data
var type = s.ReadUInt8();
while (type == 0)
type = s.ReadUInt8();
var width = s.ReadInt32();
var height = s.ReadInt32();
var x = s.ReadInt32();
var y = s.ReadInt32();
Size = new Size(width, height);
Offset = new int2(width / 2 - x, height / 2 - y);
/*var imageOffset = */
s.ReadInt32();
var paletteOffset = s.ReadInt32();
var bpp = s.ReadUInt8();
if (bpp != 8)
throw new InvalidDataException("Error: {0} bits per pixel are not supported.".F(bpp));
var frameHeight = s.ReadUInt8();
var frameWidth = s.ReadUInt8();
FrameSize = new Size(frameWidth, frameHeight);
// Skip alignment byte
s.ReadUInt8();
Data = s.ReadBytes(width * height);
// Ignore palette
if (type == 1 && paletteOffset != 0)
s.Seek(520, SeekOrigin.Current);
}
/// <summary>
/// Read the bytes from the stream.
/// </summary>
/// <param name="stream">The current stream.</param>
/// <param name="buffer">The buffer of bytes.</param>
/// <param name="offset">The offset.</param>
/// <param name="length">The number of bytes to read.</param>
/// <param name="destination">The destination stream.</param>
/// <returns>The bytes read.</returns>
public static bool ReadBytes(this System.IO.Stream stream, byte[] buffer, int offset, int length, System.IO.Stream destination)
{
var bytes = stream.ReadBytes(buffer, offset, length);
var len = bytes.Length;
destination.Write(bytes, 0, len);
return(len == offset + length);
}
/// <summary>
/// 値をバイト配列として読み取ります。
/// </summary>
/// <param name="src">値を読み取るストリーム。</param>
/// <returns>値となるバイト配列。</returns>
public byte[] Read( Stream src )
{
var position = src.Position;
src.Seek( this.Position, SeekOrigin.Begin );
var value = src.ReadBytes( this.Length );
src.Seek( position, SeekOrigin.Begin );
return value;
}
public object Deserialize(System.IO.Stream stream)
{
long count = ZigZag.DeserializeInt64(stream);
if (count == 1)
{
return(null);
}
int c = (int)(count >> 1);
return(stream.ReadBytes(c));
}
public object Deserialize(System.IO.Stream stream)
{
long count = ZigZag.DeserializeInt64(stream);
if (count == 1)
{
return(null);
}
var c = (int)(count >> 1);
var bytes = stream.ReadBytes(c);
return(Encoding.UTF8.GetString(bytes));
}
/// <summary>
/// Requests that the provided stream be authenticated
/// </summary>
/// <param name="stream"></param>
/// <param name="additionalChallenge">Additional data to include in the challenge. If using SSL certificates,
/// adding the thumbprint to the challenge will allow detecting man in the middle attacks.</param>
/// <returns></returns>
public ScramServerSession AuthenticateAsServer(Stream stream, byte[] additionalChallenge = null)
{
if (additionalChallenge == null)
additionalChallenge = new byte[] { };
byte[] usernameBytes = stream.ReadBytes();
byte[] clientNonce = stream.ReadBytes();
ScramUserCredential user;
if (!Users.TryLookup(usernameBytes, out user))
return null;
byte[] serverNonce = m_nonce.Next();
stream.WriteByte((byte)user.HashMethod);
stream.WriteWithLength(serverNonce);
stream.WriteWithLength(user.Salt);
stream.Write(user.Iterations);
stream.Flush();
byte[] authMessage = Scram.ComputeAuthMessage(serverNonce, clientNonce, user.Salt, usernameBytes, user.Iterations, additionalChallenge);
byte[] clientSignature = user.ComputeClientSignature(authMessage);
byte[] serverSignature = user.ComputeServerSignature(authMessage);
byte[] clientProof = stream.ReadBytes();
byte[] clientKeyVerify = Scram.XOR(clientProof, clientSignature);
byte[] storedKeyVerify = user.ComputeStoredKey(clientKeyVerify);
if (storedKeyVerify.SecureEquals(user.StoredKey))
{
//Client holds the password
//Send ServerSignature
stream.WriteWithLength(serverSignature);
stream.Flush();
return new ScramServerSession(user.UserName);
}
return null;
}
public static Blck Read(Stream stream)
{
var result = new Blck();
var b = (byte)stream.ReadByte();
result.unknown = (b & 0x80) == 0x80;
if (!result.unknown) throw new UnknownNodeFlagException();
result.nameLength = (short)(b & 0x7f);
result.name = stream.ReadUtf8String(result.nameLength);
result.length = stream.ReadInt32();
using (var memStream = new MemoryStream(stream.ReadBytes(result.length)))
result.children = Aval.Read(memStream).ToList();
return result;
}
/// <summary>
/// Read from a stream asynchronously.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="length">The number of bytes to read.</param>
/// <param name="completed">The completed action.</param>
/// <param name="error">The error action.</param>
public static void ReadAsync(this System.IO.Stream stream, int length, Action <byte[]> completed, Action <Exception> error)
{
var buff = new byte[length];
stream.BeginRead(
buff,
0,
length,
ar =>
{
try
{
byte[] bytes = null;
try
{
var len = stream.EndRead(ar);
bytes = len < 1
? new byte[0]
: len < length
? stream.ReadBytes(buff, len, length - len)
: buff;
}
catch
{
bytes = new byte[0];
}
if (completed != null)
{
completed(bytes);
}
}
catch (Exception ex)
{
if (error != null)
{
error(ex);
}
}
},
null);
}
/// <summary>
/// Requests that the provided stream be authenticated
/// </summary>
/// <param name="stream"></param>
/// <param name="additionalChallenge">Additional data to include in the challenge. If using SSL certificates,
/// adding the thumbprint to the challenge will allow detecting man in the middle attacks.</param>
/// <returns></returns>
public SrpServerSession AuthenticateAsServer(Stream stream, byte[] additionalChallenge = null)
{
if (additionalChallenge == null)
additionalChallenge = new byte[] { };
// Header
// C => S
// int16 usernameLength (max 1024 characters)
// byte[] usernameBytes
int len = stream.ReadInt16();
if (len < 0 || len > 1024)
return null;
var usernameBytes = stream.ReadBytes(len);
var username = UTF8.GetString(usernameBytes);
var user = Users.Lookup(username);
var session = new SrpServerSession(user);
if (session.TryAuthenticate(stream, additionalChallenge))
{
return session;
}
return null;
}
/// <summary>
/// Read from a stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <param name="length">The number of bytes to read.</param>
/// <param name="completed">The completed action.</param>
/// <param name="error">The error action.</param>
public static void Read(this System.IO.Stream stream, int length, Action <byte[]> completed, Action <Exception> error)
{
var buff = new byte[length];
try
{
byte[] bytes = null;
try
{
// Read the data from the stream.
int len = stream.Read(buff, 0, length);
bytes = len < 1
? new byte[0]
: len < length
? stream.ReadBytes(buff, len, length - len)
: buff;
}
catch
{
bytes = new byte[0];
}
if (completed != null)
{
completed(bytes);
}
}
catch (Exception ex)
{
if (error != null)
{
error(ex);
}
}
}
internal void Load(Stream s)
{
Name = Encoding.ASCII.GetString(s.ReadBytes(8)).TrimEnd('\0');
VirtualSize = s.ReadUIntLE();
SectionRVA = s.ReadUIntLE();
SizeOfRawData = s.ReadUIntLE();
PointerToRawData = s.ReadUIntLE();
PointerToRelocations = s.ReadUIntLE();
PointerToLineNumbers = s.ReadUIntLE();
NumberOfRelocations = s.ReadUShortLE();
NumberOfLineNumbers = s.ReadUShortLE();
SectionFlags = (SectionFlags)s.ReadUIntLE();
}
private static ImageFrame ReadImageFrame(Stream stream, byte[] globalColorTable, GraphicControlExtension graphicControlExtension)
{
var imageDescriptor = ImageDescriptor.Read(stream);
var imageFrame = new ImageFrame
{
ImageDescriptor = imageDescriptor,
LocalColorTable = globalColorTable,
GraphicControlExtension = graphicControlExtension
};
if (imageDescriptor.LocalColorTableFlag)
{
imageFrame.LocalColorTable = stream.ReadBytes(imageDescriptor.LocalColorTableSize * 3);
}
imageFrame.ColorDepth = stream.ReadByte();
var lzwDecoder = new LzwDecoder(stream);
var imageData = lzwDecoder.DecodeImageData(imageDescriptor.ImageWidth, imageDescriptor.ImageHeight, imageFrame.ColorDepth);
ApplicationData.Read(stream);
imageFrame.Bitmap = CreateBitmap(
imageData,
imageFrame.GetPalette(),
imageDescriptor.InterlaceFlag,
imageDescriptor.ImageWidth,
imageDescriptor.ImageHeight);
return imageFrame;
}
public static Image Decode(Stream stream)
{
var result = new Image
{
Header = stream.ReadString(6),
LogicalScreenDescriptor = LogicalScreenDescriptor.Read(stream)
};
if (result.LogicalScreenDescriptor.GlobalColorTableFlag)
{
result.GlobalColorTable = stream.ReadBytes(result.LogicalScreenDescriptor.GlobalColorTableSize * 3);
}
GraphicControlExtension graphicControlExtension = null;
var componentType = stream.ReadByte();
while (componentType != 0)
{
if (componentType == ImageDescriptor.ImageSeparator)
{
var imageFrame = ReadImageFrame(stream, result.GlobalColorTable, graphicControlExtension);
result.Frames.Add(imageFrame);
}
else if (componentType == Const.ExtensionIntroducer)
{
var extensionType = stream.ReadByte();
switch (extensionType)
{
case GraphicControlExtension.GraphicControlLabel:
{
graphicControlExtension = GraphicControlExtension.Read(stream);
break;
}
case CommentExtension.CommentLabel:
{
var commentExtension = CommentExtension.Read(stream);
result.CommentExtensions.Add(commentExtension);
break;
}
case ApplicationExtension.ExtensionLabel:
{
var applicationExtension = ApplicationExtension.Read(stream);
result.ApplictionExtensions.Add(applicationExtension);
break;
}
case PlainTextExtension.PlainTextLabel:
{
var plainTextExtension = PlainTextExtension.Read(stream);
result.PlainTextEntensions.Add(plainTextExtension);
break;
}
}
}
else if (componentType == Const.EndIntroducer)
{
break;
}
componentType = stream.ReadByte();
}
return result;
}
/// <summary>
/// Reads all the remaining bytes after the current position of this stream.
/// </summary>
/// <param name="stream">The stream to read.</param>
/// <returns>A byte array storing the read bytes.</returns>
public static byte[] ReadAllBytes(this Stream stream)
{
return(stream.ReadBytes((Int32)(stream.Length - stream.Position)));
}
public VxlReader(Stream s)
{
if (!s.ReadASCII(16).StartsWith("Voxel Animation"))
throw new InvalidDataException("Invalid vxl header");
s.ReadUInt32();
LimbCount = s.ReadUInt32();
s.ReadUInt32();
BodySize = s.ReadUInt32();
s.Seek(770, SeekOrigin.Current);
// Read Limb headers
Limbs = new VxlLimb[LimbCount];
for (var i = 0; i < LimbCount; i++)
{
Limbs[i] = new VxlLimb();
Limbs[i].Name = s.ReadASCII(16);
s.Seek(12, SeekOrigin.Current);
}
// Skip to the Limb footers
s.Seek(802 + 28*LimbCount + BodySize, SeekOrigin.Begin);
var LimbDataOffset = new uint[LimbCount];
for (var i = 0; i < LimbCount; i++)
{
LimbDataOffset[i] = s.ReadUInt32();
s.Seek(8, SeekOrigin.Current);
Limbs[i].Scale = s.ReadFloat();
s.Seek(48, SeekOrigin.Current);
Limbs[i].Bounds = new float[6];
for (var j = 0; j < 6; j++)
Limbs[i].Bounds[j] = s.ReadFloat();
Limbs[i].Size = s.ReadBytes(3);
Limbs[i].Type = (NormalType)s.ReadByte();
}
for (var i = 0; i < LimbCount; i++)
{
s.Seek(802 + 28*LimbCount + LimbDataOffset[i], SeekOrigin.Begin);
ReadVoxelData(s, Limbs[i]);
}
}
public static Single ReadSingle(this Stream stream)
{
return(BitConverter.ToSingle(stream.ReadBytes(sizeof(Single)), 0));
}
public bool AuthenticateAsClient(Stream stream, byte[] additionalChallenge = null)
{
if (additionalChallenge == null)
additionalChallenge = new byte[] { };
byte[] clientNonce = m_nonce.Next();
stream.WriteWithLength(m_usernameBytes);
stream.WriteWithLength(clientNonce);
stream.Flush();
HashMethod hashMethod = (HashMethod)stream.ReadByte();
byte[] serverNonce = stream.ReadBytes();
byte[] salt = stream.ReadBytes();
int iterations = stream.ReadInt32();
SetServerValues(hashMethod, salt, iterations);
byte[] authMessage = Scram.ComputeAuthMessage(serverNonce, clientNonce, salt, m_usernameBytes, iterations, additionalChallenge);
byte[] clientSignature = ComputeClientSignature(authMessage);
byte[] clientProof = Scram.XOR(m_clientKey, clientSignature);
stream.WriteWithLength(clientProof);
stream.Flush();
byte[] serverSignature = ComputeServerSignature(authMessage);
byte[] serverSignatureVerify = stream.ReadBytes();
return (serverSignature.SecureEquals(serverSignatureVerify));
}
/// <summary>
/// Read the bytes from the stream.
/// </summary>
/// <param name="stream">The current stream.</param>
/// <param name="length">The number of bytes to read.</param>
/// <returns>The bytes read.</returns>
public static byte[] ReadBytes(this System.IO.Stream stream, int length)
{
return(stream.ReadBytes(new byte[length], 0, length));
}
public String(SectionHeader header, Stream stream)
: base(header, stream)
{
Value = Encoding.UTF8.GetString(stream.ReadBytes((int) header.Size)).TrimNullChars();
}
public static UInt64 ReadUInt64(this Stream stream)
{
return(BitConverter.ToUInt64(stream.ReadBytes(sizeof(UInt64)), 0));
}
public static Double ReadDouble(this Stream stream)
{
return(BitConverter.ToDouble(stream.ReadBytes(sizeof(Double)), 0));
}
public void Read(System.IO.Stream r)
{
//Read the "Magic" (this is a series of bytes that is always the same on every RW4File)
var b = r.ReadBytes(RW4_Magic.Length);
for (int i = 0; i < b.Length; i++)
{
if (b[i] != RW4_Magic[i])
{
throw new ModelFormatException(r, "Not a RW4 file", b);
}
}
_fileTypeCode = r.ReadU32();
if (_fileTypeCode == 1)
{
file_type = RW4Model.FileTypes.Model;
}
else if (_fileTypeCode == 0x04000000)
{
file_type = RW4Model.FileTypes.Texture;
}
else
{
throw new ModelFormatException(r, "Unknown2 file type", _fileTypeCode);
}
uint _fileTypeConstant = (file_type == RW4Model.FileTypes.Model ? 16U : 4U);
uint _sectionCount = r.ReadU32();
r.expect(_sectionCount, "H001 Section count not repeated");
r.expect(_fileTypeConstant, "H002");
r.expect(0, "H003");
SectionIndexBegin = r.ReadU32();
uint _firstHeaderSectionBegin = r.ReadU32(); // Always 0x98?
r.expect(new UInt32[] { 0, 0, 0 }, "H010");
uint _sectionIndexEnd = r.ReadU32();
r.expect(_fileTypeConstant, "H011");
//this.unknown_size_or_offset_013 = r.ReadU32();
uint _fileSize = r.ReadU32() + _sectionIndexEnd;
// if (r.Length != _fileSize) throw new ModelFormatException(r, "H012", _fileSize); //< TODO
r.expect(new UInt32[] { 4, 0, 1, 0, 1 }, "H020");
this.Unknown = r.ReadU32();
r.expect(new UInt32[] { 4, 0, 1, 0, 1 }, "H040");
r.expect(new UInt32[] { 0, 1, 0, 0, 0, 0, 0 }, "H041");
if (r.Position != _firstHeaderSectionBegin)
{
throw new ModelFormatException(r, "H099", r.Position);
}
r.Seek(_firstHeaderSectionBegin, SeekOrigin.Begin);
r.expect(0x10004, "H140");
// Offsets of header sections relative to the 0x10004. 4, 12, 28, 28 + (12+4*section_type_count), ... + 36, ... + 28
uint[] _offsets = new uint[6];
for (int i = 0; i < _offsets.Length; i++)
{
_offsets[i] = r.ReadU32() + _firstHeaderSectionBegin;
}
// A list of section types in the file? If so, redundant with section index
if (_offsets[2] != r.Position)
{
throw new ModelFormatException(r, "H145", r.Position);
}
r.expect(0x10005, "H150");
uint _sectionTypeCount = r.ReadU32();
r.expect(12, "H151");
//read the list if section types, contains the 'indirect' section codes
uint[] _sectionTypes = new uint[_sectionTypeCount];
for (int i = 0; i < _sectionTypeCount; i++)
{
_sectionTypes[i] = r.ReadU32();
}
if (_offsets[3] != r.Position)
{
throw new ModelFormatException(r, "H146", r.Position);
}
r.expect(0x10006, "H160");
// TODO: I think this is actually a variable length structure, with 12 byte header and 3 being the length in qwords
r.expect(new UInt32[] { 3, 0x18, _fileTypeCode, 0xffb00000, _fileTypeCode, 0, 0, 0 }, "H161");
if (_offsets[4] != r.Position)
{
throw new ModelFormatException(r, "H147", r.Position);
}
r.expect(0x10007, "H170");
uint _fixupCount = r.ReadU32();
r.expect(0, "H171");
r.expect(0, "H172");
// Fixup index always immediately follows section index
r.expect(SectionIndexBegin + _sectionCount * 24 + _fixupCount * 8, "H173");
r.expect(SectionIndexBegin + _sectionCount * 24, "H174");
r.expect(_fixupCount, "H176");
if (_offsets[5] != r.Position)
{
throw new ModelFormatException(r, "H148", r.Position);
}
r.expect(0x10008, "H180");
r.expect(new UInt32[] { 0, 0 }, "H181");
HeaderEnd = (uint)r.Position;
r.Seek(SectionIndexBegin, SeekOrigin.Begin);
this.Sections = new List <RW4Section>();
for (int i = 0; i < _sectionCount; i++)
{
RW4Section _newSection = new RW4Section();
_newSection.LoadHeader(r, (uint)i, _sectionIndexEnd);
this.Sections.Add(_newSection);
}
for (int i = 0; i < _fixupCount; i++)
{
uint sind = r.ReadU32();
var offset = r.ReadU32();
this.Sections[(int)sind].fixup_offsets.Add(offset);
}
SectionIndexPadding = _sectionIndexEnd - (uint)r.Position;
r.ReadPadding(SectionIndexPadding);
//process the indirect section codes
bool[] used = new bool[_sectionTypes.Length];
foreach (var s in Sections)
{
used[s.type_code_indirect] = true;
if (_sectionTypes[s.type_code_indirect] != s.type_code)
{
throw new ModelFormatException(r, "H300", s.type_code_indirect);
}
}
for (int i = 0; i < fixed_section_types.Length; i++)
{
if (_sectionTypes[i] != fixed_section_types[i])
{
throw new ModelFormatException(r, "H301", i);
}
}
for (int i = fixed_section_types.Length; i < _sectionTypes.Length; i++)
{
if (!used[i])
{
throw new ModelFormatException(r, "H302", _sectionTypes[i]);
}
}
}
public static Int16 ReadInt16(this Stream stream)
{
return(BitConverter.ToInt16(stream.ReadBytes(sizeof(Int16)), 0));
}
