private void ReadFooter(Ibasa.IO.BinaryReader reader)
{
if (reader.PeekChar() == -1)
{
return; //end of stream or cant seek no footer possible
}
reader.BaseStream.Seek(-26, SeekOrigin.End);
long extensionOffset = reader.ReadUInt32();
long developerOffset = reader.ReadUInt32();
string signature = new string(reader.ReadChars(18));
if (signature != "TRUEVISION-XFILE.\0")
{
return;
}
if (extensionOffset != 0)
{
reader.BaseStream.Seek(extensionOffset, SeekOrigin.Begin);
ReadExtension(reader);
}
if (developerOffset != 0)
{
reader.BaseStream.Seek(developerOffset, SeekOrigin.Begin);
ReadDeveloper(reader);
}
}
private void ReadColorMap(Ibasa.IO.BinaryReader reader)
{
if (Header.ColorMapType == 0)
{
return;
}
ColorMap = new uint[256];
switch (Header.ColorMapDepth)
{
case 16:
{
for (int i = Header.ColourMapOrigin; i < Header.ColorMapLength; ++i)
{
uint color = reader.ReadUInt16();
uint r = (color >> 10) & 0x1F;
uint g = (color >> 5) & 0x1F;
uint b = (color) & 0x1F;
//expand 8 bits
r = (r << 3) | (r >> 2);
g = (g << 3) | (g >> 2);
b = (b << 3) | (b >> 2);
ColorMap[i] = (r << 16) | (g << 8) | b;
}
} break;
case 24:
{
for (int i = Header.ColourMapOrigin; i < Header.ColorMapLength; ++i)
{
uint b = reader.ReadByte();
uint g = reader.ReadByte();
uint r = reader.ReadByte();
ColorMap[i] = (r << 16) | (g << 8) | b;
}
} break;
case 32:
{
for (int i = Header.ColourMapOrigin; i < Header.ColorMapLength; ++i)
{
ColorMap[i] = reader.ReadUInt32();
}
} break;
default:
throw new InvalidDataException("Unrecognized color map depth.");
}
}
private void ReadDeveloper(Ibasa.IO.BinaryReader reader)
{
int tags = reader.ReadUInt16();
uint[] tol = new uint[tags * 3];
for (int i = 0; i < tags; ++i)
{
tol[i * 3 + 0] = reader.ReadUInt16();
tol[i * 3 + 1] = reader.ReadUInt32();
tol[i * 3 + 2] = reader.ReadUInt32();
}
for (int i = 0; i < tags; ++i)
{
int tag = (int)tol[i * 3 + 0];
long offset = tol[i * 3 + 1];
int length = (int)tol[i * 3 + 2];
reader.BaseStream.Seek(offset, SeekOrigin.Begin);
DeveloperArea.Add(new KeyValuePair <int, byte[]>(tag, reader.ReadBytes(length)));
}
}
public Mpq(Stream stream)
{
Reader = new Ibasa.IO.BinaryReader(stream, Encoding.ASCII);
long offset = 0;
bool founda, foundb;
{
Ibasa.Media.FourCC mpqa = new Media.FourCC("MPQ\x1A");
Ibasa.Media.FourCC mpqb = new Media.FourCC("MPQ\x1B");
//find offset
var fourcc = Reader.Read<Ibasa.Media.FourCC>();
founda = fourcc == mpqa;
foundb = fourcc == mpqb;
while (!founda && !foundb)
{
offset += 512;
fourcc = Reader.Read<Ibasa.Media.FourCC>();
founda = fourcc == mpqa;
foundb = fourcc == mpqb;
}
}
if (foundb)
{
var userdatasize = Reader.ReadUInt32();
offset += Reader.ReadUInt32();
var userdataheader = Reader.ReadUInt32();
}
Reader.Seek(offset, SeekOrigin.Begin);
if (Reader.Read<Media.FourCC>() != new Media.FourCC("MPQ\x1A"))
throw new Exception("WTF");
HeaderSize = Reader.ReadUInt32();
ArchiveSize = Reader.ReadUInt32();
FormatVersion = Reader.ReadUInt16();
BlockSize = Reader.ReadUInt16();
HashTablePos = Reader.ReadUInt32();
BlockTablePos = Reader.ReadUInt32();
HashTableSize = Reader.ReadUInt32();
BlockTableSize = Reader.ReadUInt32();
if (FormatVersion >= 2)
{
HiBlockTablePos64 = Reader.ReadUInt64();
HashTablePosHi = Reader.ReadUInt16();
BlockTablePosHi = Reader.ReadUInt16();
}
if (FormatVersion >= 3)
{
ArchiveSize64 = Reader.ReadUInt64();
BetTablePos64 = Reader.ReadUInt64();
HetTablePos64 = Reader.ReadUInt64();
}
if (FormatVersion >= 4)
{
hashtablesize64 = Reader.ReadUInt64();
blocktablesize64 = Reader.ReadUInt64();
hiblocktablesize64 = Reader.ReadUInt64();
hettablesize64 = Reader.ReadUInt64();
bettablesize64 = Reader.ReadUInt64();
dawchunksize = Reader.ReadUInt32();
md5_blocktable = Reader.ReadBytes(16);
md5_hashtable = Reader.ReadBytes(16);
md5_hiblocktable = Reader.ReadBytes(16);
md5_bettable = Reader.ReadBytes(16);
md5_hettable = Reader.ReadBytes(16);
md5_mpqheader = Reader.ReadBytes(16);
}
if (HetTablePos64 != 0)
{
ParseHET();
}
if (BetTablePos64 != 0)
{
ParseBET();
}
}
/// <summary>
/// Reads a <see cref="Vector8ui"/> from an <see cref="Ibasa.IO.BinaryReader">.
/// </summary>
public static Vector8ui ReadVector8ui(this Ibasa.IO.BinaryReader reader)
{
return(new Vector8ui(reader.ReadUInt32(), reader.ReadUInt32(), reader.ReadUInt32(), reader.ReadUInt32(), reader.ReadUInt32(), reader.ReadUInt32(), reader.ReadUInt32(), reader.ReadUInt32()));
}
public Mpq(Stream stream)
{
Reader = new Ibasa.IO.BinaryReader(stream, Encoding.ASCII);
long offset = 0;
bool founda, foundb;
{
Ibasa.Media.FourCC mpqa = new Media.FourCC("MPQ\x1A");
Ibasa.Media.FourCC mpqb = new Media.FourCC("MPQ\x1B");
//find offset
var fourcc = Reader.Read <Ibasa.Media.FourCC>();
founda = fourcc == mpqa;
foundb = fourcc == mpqb;
while (!founda && !foundb)
{
offset += 512;
fourcc = Reader.Read <Ibasa.Media.FourCC>();
founda = fourcc == mpqa;
foundb = fourcc == mpqb;
}
}
if (foundb)
{
var userdatasize = Reader.ReadUInt32();
offset += Reader.ReadUInt32();
var userdataheader = Reader.ReadUInt32();
}
Reader.Seek(offset, SeekOrigin.Begin);
if (Reader.Read <Media.FourCC>() != new Media.FourCC("MPQ\x1A"))
{
throw new Exception("WTF");
}
HeaderSize = Reader.ReadUInt32();
ArchiveSize = Reader.ReadUInt32();
FormatVersion = Reader.ReadUInt16();
BlockSize = Reader.ReadUInt16();
HashTablePos = Reader.ReadUInt32();
BlockTablePos = Reader.ReadUInt32();
HashTableSize = Reader.ReadUInt32();
BlockTableSize = Reader.ReadUInt32();
if (FormatVersion >= 2)
{
HiBlockTablePos64 = Reader.ReadUInt64();
HashTablePosHi = Reader.ReadUInt16();
BlockTablePosHi = Reader.ReadUInt16();
}
if (FormatVersion >= 3)
{
ArchiveSize64 = Reader.ReadUInt64();
BetTablePos64 = Reader.ReadUInt64();
HetTablePos64 = Reader.ReadUInt64();
}
if (FormatVersion >= 4)
{
hashtablesize64 = Reader.ReadUInt64();
blocktablesize64 = Reader.ReadUInt64();
hiblocktablesize64 = Reader.ReadUInt64();
hettablesize64 = Reader.ReadUInt64();
bettablesize64 = Reader.ReadUInt64();
dawchunksize = Reader.ReadUInt32();
md5_blocktable = Reader.ReadBytes(16);
md5_hashtable = Reader.ReadBytes(16);
md5_hiblocktable = Reader.ReadBytes(16);
md5_bettable = Reader.ReadBytes(16);
md5_hettable = Reader.ReadBytes(16);
md5_mpqheader = Reader.ReadBytes(16);
}
if (HetTablePos64 != 0)
{
ParseHET();
}
if (BetTablePos64 != 0)
{
ParseBET();
}
}
private void ParseHET()
{
Reader.Seek((long)HetTablePos64, SeekOrigin.Begin);
if (Reader.Read <Media.FourCC>() != new Media.FourCC("HET\x1A"))
{
throw new Exception("WTF");
}
if (Reader.ReadUInt32() != 1)
{
throw new Exception("WTF");
}
HetDataSize = Reader.ReadUInt32();
HetTableSize = Reader.ReadUInt32();
HetMaxFileCount = Reader.ReadUInt16();
HetHashTableSize = Reader.ReadUInt16();
HetHashEntrySize = Reader.ReadUInt32();
HetTotalIndexSize = Reader.ReadUInt32();
HetIndexSizeExtra = Reader.ReadUInt32();
HetIndexSize = Reader.ReadUInt32();
HetBlockTableSize = Reader.ReadUInt32();
HetHashTableOffset = Reader.Position;
}
public Bsp(Stream stream, IEnumerable<Package.Wad> wads)
{
if (!stream.CanSeek || !stream.CanRead)
throw new ArgumentException("stream must be seekable and readable.", "stream");
if (wads == null)
wads = System.Linq.Enumerable.Empty<Package.Wad>();
Reader = new Ibasa.IO.BinaryReader(stream, Encoding.ASCII);
if (Reader.ReadUInt32() != 30)
throw new InvalidDataException("Version is not 30.");
long entitiesOffset = Reader.ReadUInt32();
long entitiesCount = Reader.ReadUInt32();
long planesOffset = Reader.ReadUInt32();
long planesCount = Reader.ReadUInt32();
long texturesOffset = Reader.ReadUInt32();
long texturesCount = Reader.ReadUInt32();
long vertexesOffset = Reader.ReadUInt32();
long vertexesCount = Reader.ReadUInt32();
long visibilityOffset = Reader.ReadUInt32();
long visibilityCount = Reader.ReadUInt32();
long nodesOffset = Reader.ReadUInt32();
long nodesCount = Reader.ReadUInt32();
long texinfoOffset = Reader.ReadUInt32();
long texinfoCount = Reader.ReadUInt32();
long facesOffset = Reader.ReadUInt32();
long facesCount = Reader.ReadUInt32();
long lightingOffset = Reader.ReadUInt32();
long lightingCount = Reader.ReadUInt32();
long clipnodesOffset = Reader.ReadUInt32();
long clipnodesCount = Reader.ReadUInt32();
long leafsOffset = Reader.ReadUInt32();
long leafsCount = Reader.ReadUInt32();
long marksurfacesOffset = Reader.ReadUInt32();
long marksurfacesCount = Reader.ReadUInt32();
long edgesOffset = Reader.ReadUInt32();
long edgesCount = Reader.ReadUInt32();
long surfedgesOffset = Reader.ReadUInt32();
long surfedgesCount = Reader.ReadUInt32();
long modelsOffset = Reader.ReadUInt32();
long modelsCount = Reader.ReadUInt32();
//Entities
Reader.Seek(entitiesOffset, SeekOrigin.Begin);
Entities = Encoding.ASCII.GetString(Reader.ReadBytes((int)entitiesCount));
//Planes
Reader.Seek(planesOffset, SeekOrigin.Begin);
Planes = new Planef[planesCount / 20];
for (int i = 0; i < Planes.Length; ++i)
{
Planes[i] = new Planef(
Reader.ReadSingle(), Reader.ReadSingle(), Reader.ReadSingle(), Reader.ReadSingle());
uint type = Reader.ReadUInt32();
}
//Textures
{
Reader.Seek(texturesOffset, SeekOrigin.Begin);
long[] offsets = new long[Reader.ReadUInt32()];
for (int i = 0; i < offsets.Length; ++i)
{
offsets[i] = Reader.ReadUInt32();
}
Textures = new Resource[offsets.Length];
for (int i = 0; i < offsets.Length; ++i)
{
Reader.Seek(texturesOffset + offsets[i], SeekOrigin.Begin);
string name = Encoding.ASCII.GetString(Reader.ReadBytes(16));
int nullbyte = name.IndexOf('\0');
name = nullbyte == -1 ? name : name.Substring(0, nullbyte);
int width = Reader.ReadInt32();
int height = Reader.ReadInt32();
long[] dataoffsets = new long[4];
dataoffsets[0] = Reader.ReadUInt32();
dataoffsets[1] = Reader.ReadUInt32();
dataoffsets[2] = Reader.ReadUInt32();
dataoffsets[3] = Reader.ReadUInt32();
Resource resource = null;
if (dataoffsets.All(o => o == 0))
{
foreach (var wad in wads)
{
resource = wad[name];
if (resource != null)
{
break;
}
}
}
else
{
resource = new Resource(new Size3i(width, height, 1), 4, 1, Format.R8G8B8A8UNorm);
byte[][] images = new byte[4][];
for (int mipSlice = 0; mipSlice < 4; ++mipSlice)
{
Reader.Seek(texturesOffset + offsets[i] + dataoffsets[mipSlice], SeekOrigin.Begin);
images[mipSlice] = Reader.ReadBytes(width * height);
width >>= 1; height >>= 1;
}
Reader.Seek(2, SeekOrigin.Current);
byte[] pallet = Reader.ReadBytes(256 * 3);
for (int mipSlice = 0; mipSlice < 4; ++mipSlice)
{
byte[] data = resource[mipSlice, 0];
byte[] image = images[mipSlice];
for (int j = 0; j < image.Length; ++j)
{
int palletIndex = image[j] * 3;
int dataIndex = j * 3;
data[dataIndex + 0] = pallet[palletIndex + 0];
data[dataIndex + 1] = pallet[palletIndex + 1];
data[dataIndex + 2] = pallet[palletIndex + 2];
}
}
}
Textures[i] = resource;
}
}
//Vertices
Reader.Seek(vertexesOffset, SeekOrigin.Begin);
Vertices = new Vector3f[vertexesCount / 12];
for (int i = 0; i < Vertices.Length; ++i)
{
Vertices[i] = new Vector3f(Reader.ReadSingle(), Reader.ReadSingle(), Reader.ReadSingle());
}
//Visibility
Reader.Seek(visibilityOffset, SeekOrigin.Begin);
Visibility = Reader.ReadBytes((int)visibilityCount);
//Nodes
//Surfaces
Reader.Seek(texinfoOffset, SeekOrigin.Begin);
Surfaces = new Surface[texinfoCount / 24];
for (int i = 0; i < Surfaces.Length; ++i)
{
Surfaces[i] = new Surface(
new Vector4f(Reader.ReadSingle(), Reader.ReadSingle(), Reader.ReadSingle(), Reader.ReadSingle()),
new Vector4f(Reader.ReadSingle(), Reader.ReadSingle(), Reader.ReadSingle(), Reader.ReadSingle()),
Reader.ReadInt32(), Reader.ReadInt32());
}
//Faces
Reader.Seek(facesOffset, SeekOrigin.Begin);
Faces = new Face[facesCount / 20];
for (int i = 0; i < Faces.Length; ++i)
{
Faces[i] = new Face(
Reader.ReadUInt16(), Reader.ReadInt16(),
Reader.ReadInt32(), Reader.ReadInt16(), Reader.ReadInt16(),
Reader.ReadByte(), Reader.ReadByte(), Reader.ReadByte(), Reader.ReadByte(),
Reader.ReadInt32());
}
//Lighting
Reader.Seek(facesOffset, SeekOrigin.Begin);
Lighting = Reader.ReadBytes((int)lightingCount);
//#define clipnodes 9
//#define leafs 10
//#define marksurfaces 11
//#define edges 12
//#define surfedges 13
//#define models 14
//Edges
Reader.Seek(edgesOffset, SeekOrigin.Begin);
Edges = new Edge[edgesCount / 4];
for (int i = 0; i < Edges.Length; ++i)
{
Edges[i] = new Edge(Reader.ReadUInt16(), Reader.ReadUInt16());
}
//SurfaceEdges
Reader.Seek(surfedgesOffset, SeekOrigin.Begin);
SurfaceEdges = new int[surfedgesCount / 4];
for (int i = 0; i < Planes.Length; ++i)
{
SurfaceEdges[i] = Reader.ReadInt32();
}
}
private void ReadExtension(Ibasa.IO.BinaryReader reader)
{
int size = reader.ReadUInt16();
if (size < 495) //size can grow with new versions
{
return;
}
Extension.AuthorName = reader.ReadBytes(41);
Extension.AuthorComments = reader.ReadBytes(324);
Extension.DateTimeStampMonth = reader.ReadUInt16();
Extension.DateTimeStampDay = reader.ReadUInt16();
Extension.DateTimeStampYear = reader.ReadUInt16();
Extension.DateTimeStampHour = reader.ReadUInt16();
Extension.DateTimeStampMinute = reader.ReadUInt16();
Extension.DateTimeStampSecond = reader.ReadUInt16();
Extension.JobId = reader.ReadBytes(41);
Extension.JobTimeHours = reader.ReadUInt16();
Extension.JobTimeMinutes = reader.ReadUInt16();
Extension.JobTimeSeconds = reader.ReadUInt16();
Extension.SoftwareId = reader.ReadBytes(41);
Extension.SoftwareVersionNumber = reader.ReadUInt16();
Extension.SoftwareVersionLetter = reader.ReadByte();
Extension.KeyColor = reader.ReadInt32();
Extension.PixelAspectRatioN = reader.ReadUInt16();
Extension.PixelAspectRatioD = reader.ReadUInt16();
Extension.GammaValueN = reader.ReadUInt16();
Extension.GammaValueD = reader.ReadUInt16();
long colorCorrectionOffset = reader.ReadUInt32();
long postageStampOffset = reader.ReadUInt32();
long scanLineOffset = reader.ReadUInt32();
Extension.Attributes = reader.ReadByte();
//read color correction
if (colorCorrectionOffset != 0)
{
reader.BaseStream.Seek(colorCorrectionOffset, SeekOrigin.Begin);
Extension.ColorCorrection = new Vector4i[256];
for (int i = 0; i < 256; ++i)
{
int a = reader.ReadUInt16();
int r = reader.ReadUInt16();
int g = reader.ReadUInt16();
int b = reader.ReadUInt16();
Extension.ColorCorrection[i] = new Vector4i(r, g, b, a);
}
}
//read scan lines
if (scanLineOffset != 0)
{
reader.BaseStream.Seek(scanLineOffset, SeekOrigin.Begin);
Extension.ScanLines = new long[Header.Height];
for (int i = 0; i < Header.Height; ++i)
{
Extension.ScanLines[i] = reader.ReadUInt32();
}
}
//read postage stamp
if (postageStampOffset != 0)
{
reader.BaseStream.Seek(postageStampOffset, SeekOrigin.Begin);
int width = reader.ReadByte();
int height = reader.ReadByte();
Extension.PostageStamp = ReadData(reader, width, height);
}
}
public Gcf(Stream stream)
{
Reader = new Ibasa.IO.BinaryReader(stream, Encoding.ASCII);
{
long seek = Reader.Position;
uint checksum = Reader.ReadBytes(10 * 4).Aggregate(0U, (sum, value) => sum + value);
Reader.Position = seek;
if (Reader.ReadUInt32() != 0x00000001) // HeaderVersion Always 0x00000001
{
throw new InvalidDataException("Header version mismatch.");
}
if (Reader.ReadUInt32() != 0x00000001) // MajorVersion Always 0x00000001
{
throw new InvalidDataException("Major version mismatch.");
}
var minor = Reader.ReadInt32();
if (minor != 3 && minor != 5 && minor != 6)
{
throw new InvalidDataException(string.Format("Minor version mismatch, read {0} expected 3, 5 or 6.", minor));
}
GCFVersion = new Version(1, minor);
CacheID = Reader.ReadInt32();
LastVersionPlayed = Reader.ReadInt32();
var dummy0 = Reader.ReadUInt32();
var dummy1 = Reader.ReadUInt32();
FileSize = Reader.ReadUInt32(); // Total size of GCF file in bytes.
SectorSize = Reader.ReadUInt32(); // Size of each data block in bytes.
SectorCount = Reader.ReadUInt32(); // Number of data blocks.
if (checksum != Reader.ReadUInt32())// Header checksum.
throw new InvalidDataException("Checksum mismatch.");
}
{
long seek = Reader.Position;
uint checksum = Reader.Read<uint>(7).Aggregate(0U, (sum, value) => sum + value);
Reader.Position = seek;
BlockCount = Reader.ReadUInt32(); // Number of data blocks.
if (BlockCount != SectorCount)
{
throw new InvalidDataException("BlockCount does not match SectorCount.");
}
BlocksUsed = Reader.ReadUInt32(); // Number of data blocks that point to data.
var dummy0 = Reader.ReadUInt32();
var dummy1 = Reader.ReadUInt32();
var dummy2 = Reader.ReadUInt32();
var dummy3 = Reader.ReadUInt32();
var dummy4 = Reader.ReadUInt32();
if (checksum != Reader.ReadUInt32()) // Header checksum.
throw new InvalidDataException("Checksum mismatch.");
}
BlockEntryOffset = Reader.Position;
//Seek past block entries
Reader.Seek(BlockCount * BlockEntry.Size, SeekOrigin.Current);
{ //FragmentationMapHeader
long seek = Reader.Position;
uint checksum = Reader.Read<uint>(3).Aggregate(0U, (sum, value) => sum + value);
Reader.Position = seek;
uint sectorCount = Reader.ReadUInt32();
if (SectorCount != sectorCount)
throw new InvalidDataException();
FirstUnusedEntry = Reader.ReadUInt32();
Terminator = Reader.ReadUInt32() == 0 ? 0x0000ffff : 0xffffffff;
if (checksum != Reader.ReadUInt32()) // Header checksum.
throw new InvalidDataException("Checksum mismatch.");
}
FragmentationMapEntryOffset = Reader.BaseStream.Position;
//Seek past block entries
Reader.Seek(BlockCount * 4, SeekOrigin.Current);
{ //BlockMapHeader
if (GCFVersion.Minor <= 5)
{
uint blockCount = Reader.ReadUInt32();
uint firstBlockEntryIndex = Reader.ReadUInt32();
uint lastBlockEntryIndex = Reader.ReadUInt32();
uint dummy0 = Reader.ReadUInt32();
uint checksum = Reader.ReadUInt32();
//struct BlockMapEntry
//{
// public uint PreviousBlockEntryIndex; // The previous block entry. (N/A if == BlockCount.)
// public uint NextBlockEntryIndex; // The next block entry. (N/A if == BlockCount.)
//}
Reader.Seek(blockCount * 8, SeekOrigin.Current);
}
}
{ //DirectoryHeader
if (Reader.ReadUInt32() != 0x00000004) // HeaderVersion Always 0x00000004
throw new InvalidDataException("Header version mismatch.");
if (Reader.ReadUInt32() != CacheID) // CacheID
throw new InvalidDataException("CacheID mismatch.");
if (Reader.ReadUInt32() != LastVersionPlayed) // LastVersionPlayed
throw new InvalidDataException("LastVersionPlayed mismatch.");
ItemCount = Reader.ReadUInt32(); //public uint ItemCount; // Number of items in the directory.
FileCount = Reader.ReadUInt32(); //public uint FileCount; // Number of files in the directory.
var dummy0 = Reader.ReadUInt32();
DirectorySize = Reader.ReadUInt32(); //public uint DirectorySize; // Size of lpGCFDirectoryEntries & lpGCFDirectoryNames & lpGCFDirectoryInfo1Entries & lpGCFDirectoryInfo2Entries & lpGCFDirectoryCopyEntries & lpGCFDirectoryLocalEntries in bytes.
NameSize = Reader.ReadUInt32(); //public uint NameSize; // Size of the directory names in bytes.
HashTableKeyCount = Reader.ReadUInt32(); //public uint HashTableKeyCount; // Number of Info1 entires.
CopyCount = Reader.ReadUInt32(); //public uint CopyCount; // Number of files to copy.
LocalCount = Reader.ReadUInt32(); //public uint LocalCount; // Number of files to keep local.
var dummy1 = Reader.ReadUInt32();
var dummy2 = Reader.ReadUInt32();
var checksum = Reader.ReadUInt32(); // Header checksum never computes
}
DirectoryEntryOffset = Reader.BaseStream.Position;
Reader.Seek(ItemCount * DirectoryEntry.Size, SeekOrigin.Current);
DirectoryNameOffset = Reader.BaseStream.Position;
Reader.Seek(NameSize, SeekOrigin.Current);
DirectoryInfo1EntryOffset = Reader.BaseStream.Position;
Reader.Seek(HashTableKeyCount * DirectoryInfo1Entry.Size, SeekOrigin.Current);
DirectoryInfo2EntryOffset = Reader.BaseStream.Position;
Reader.Seek(ItemCount * DirectoryInfo2Entry.Size, SeekOrigin.Current);
DirectoryCopyEntryOffset = Reader.BaseStream.Position;
Reader.Seek(CopyCount * DirectoryCopyEntry.Size, SeekOrigin.Current);
DirectoryLocalEntryOffset = Reader.BaseStream.Position;
Reader.Seek(LocalCount * DirectoryLocalEntry.Size, SeekOrigin.Current);
{ //DirectoryMapHeader
//public uint Dummy0;
//public uint Dummy1;
Reader.Seek(8, SeekOrigin.Current);
}
DirectoryMapEntryOffset = Reader.BaseStream.Position;
Reader.Seek(ItemCount * 4, SeekOrigin.Current);
{ //ChecksumHeader ChecksumMapHeader
if (Reader.ReadUInt32() != 0x00000001) // HeaderVersion Always 0x00000001
throw new InvalidDataException();
ChecksumSize = Reader.ReadUInt32(); // Size of LPGCFCHECKSUMHEADER & LPGCFCHECKSUMMAPHEADER & in bytes.
if (Reader.ReadUInt32() != 0x14893721) // FormatCode Always 0x14893721
throw new InvalidDataException();
if (Reader.ReadUInt32() != 0x00000001) // Dummy0 Always 0x00000001
throw new InvalidDataException();
ChecksumItemCount = Reader.ReadUInt32(); // Number of file ID entries.
ChecksumCount = Reader.ReadUInt32(); // Number of checksums.
}
ChecksumMapEntryOffset = Reader.BaseStream.Position;
Reader.Seek(ChecksumItemCount * ChecksumMapEntry.Size, SeekOrigin.Current);
ChecksumEntryOffset = Reader.BaseStream.Position;
Reader.Seek(ChecksumCount * 4, SeekOrigin.Current);
//Skip past signature
Reader.Seek(0x80, SeekOrigin.Current);
if (Reader.ReadUInt32() != LastVersionPlayed) // LastVersionPlayed
throw new InvalidDataException("LastVersionPlayed mismatch.");
{ //DataHeader
uint checksum = 0;
uint sectorCount, sectorSize;
checksum += (sectorCount = Reader.ReadUInt32()); // Number of data blocks.
if (SectorCount != sectorCount)
throw new InvalidDataException();
checksum += (sectorSize = Reader.ReadUInt32()); // Size of each data block in bytes.
if (SectorSize != sectorSize)
throw new InvalidDataException();
checksum += (FirstSectorOffset = Reader.ReadUInt32()); // Offset to first data block.
checksum += (SectorsUsed = Reader.ReadUInt32()); // Number of data blocks that contain data.
if (checksum != Reader.ReadUInt32()) //public uint Checksum; // Header checksum.
throw new InvalidDataException();
}
for (uint index = 0; index < ItemCount; ++index)
{
DirectoryEntry entry = GetDirectoryEntry(index);
if (entry.ParentIndex == 0xFFFFFFFF)
{
RootDirectory = new GcfDirectoryInfo(this, index);
break;
}
}
}
public Bsp(Stream stream, IEnumerable <Package.Wad> wads)
{
if (!stream.CanSeek || !stream.CanRead)
{
throw new ArgumentException("stream must be seekable and readable.", "stream");
}
if (wads == null)
{
wads = System.Linq.Enumerable.Empty <Package.Wad>();
}
Reader = new Ibasa.IO.BinaryReader(stream, Encoding.ASCII);
if (Reader.ReadUInt32() != 30)
{
throw new InvalidDataException("Version is not 30.");
}
long entitiesOffset = Reader.ReadUInt32();
long entitiesCount = Reader.ReadUInt32();
long planesOffset = Reader.ReadUInt32();
long planesCount = Reader.ReadUInt32();
long texturesOffset = Reader.ReadUInt32();
long texturesCount = Reader.ReadUInt32();
long vertexesOffset = Reader.ReadUInt32();
long vertexesCount = Reader.ReadUInt32();
long visibilityOffset = Reader.ReadUInt32();
long visibilityCount = Reader.ReadUInt32();
long nodesOffset = Reader.ReadUInt32();
long nodesCount = Reader.ReadUInt32();
long texinfoOffset = Reader.ReadUInt32();
long texinfoCount = Reader.ReadUInt32();
long facesOffset = Reader.ReadUInt32();
long facesCount = Reader.ReadUInt32();
long lightingOffset = Reader.ReadUInt32();
long lightingCount = Reader.ReadUInt32();
long clipnodesOffset = Reader.ReadUInt32();
long clipnodesCount = Reader.ReadUInt32();
long leafsOffset = Reader.ReadUInt32();
long leafsCount = Reader.ReadUInt32();
long marksurfacesOffset = Reader.ReadUInt32();
long marksurfacesCount = Reader.ReadUInt32();
long edgesOffset = Reader.ReadUInt32();
long edgesCount = Reader.ReadUInt32();
long surfedgesOffset = Reader.ReadUInt32();
long surfedgesCount = Reader.ReadUInt32();
long modelsOffset = Reader.ReadUInt32();
long modelsCount = Reader.ReadUInt32();
//Entities
Reader.Seek(entitiesOffset, SeekOrigin.Begin);
Entities = Encoding.ASCII.GetString(Reader.ReadBytes((int)entitiesCount));
//Planes
Reader.Seek(planesOffset, SeekOrigin.Begin);
Planes = new Planef[planesCount / 20];
for (int i = 0; i < Planes.Length; ++i)
{
Planes[i] = new Planef(
Reader.ReadSingle(), Reader.ReadSingle(), Reader.ReadSingle(), Reader.ReadSingle());
uint type = Reader.ReadUInt32();
}
//Textures
{
Reader.Seek(texturesOffset, SeekOrigin.Begin);
long[] offsets = new long[Reader.ReadUInt32()];
for (int i = 0; i < offsets.Length; ++i)
{
offsets[i] = Reader.ReadUInt32();
}
Textures = new Resource[offsets.Length];
for (int i = 0; i < offsets.Length; ++i)
{
Reader.Seek(texturesOffset + offsets[i], SeekOrigin.Begin);
string name = Encoding.ASCII.GetString(Reader.ReadBytes(16));
int nullbyte = name.IndexOf('\0');
name = nullbyte == -1 ? name : name.Substring(0, nullbyte);
int width = Reader.ReadInt32();
int height = Reader.ReadInt32();
long[] dataoffsets = new long[4];
dataoffsets[0] = Reader.ReadUInt32();
dataoffsets[1] = Reader.ReadUInt32();
dataoffsets[2] = Reader.ReadUInt32();
dataoffsets[3] = Reader.ReadUInt32();
Resource resource = null;
if (dataoffsets.All(o => o == 0))
{
foreach (var wad in wads)
{
resource = wad[name];
if (resource != null)
{
break;
}
}
}
else
{
resource = new Resource(new Size3i(width, height, 1), 4, 1, Format.R8G8B8A8UNorm);
byte[][] images = new byte[4][];
for (int mipSlice = 0; mipSlice < 4; ++mipSlice)
{
Reader.Seek(texturesOffset + offsets[i] + dataoffsets[mipSlice], SeekOrigin.Begin);
images[mipSlice] = Reader.ReadBytes(width * height);
width >>= 1; height >>= 1;
}
Reader.Seek(2, SeekOrigin.Current);
byte[] pallet = Reader.ReadBytes(256 * 3);
for (int mipSlice = 0; mipSlice < 4; ++mipSlice)
{
byte[] data = resource[mipSlice, 0];
byte[] image = images[mipSlice];
for (int j = 0; j < image.Length; ++j)
{
int palletIndex = image[j] * 3;
int dataIndex = j * 3;
data[dataIndex + 0] = pallet[palletIndex + 0];
data[dataIndex + 1] = pallet[palletIndex + 1];
data[dataIndex + 2] = pallet[palletIndex + 2];
}
}
}
Textures[i] = resource;
}
}
//Vertices
Reader.Seek(vertexesOffset, SeekOrigin.Begin);
Vertices = new Vector3f[vertexesCount / 12];
for (int i = 0; i < Vertices.Length; ++i)
{
Vertices[i] = new Vector3f(Reader.ReadSingle(), Reader.ReadSingle(), Reader.ReadSingle());
}
//Visibility
Reader.Seek(visibilityOffset, SeekOrigin.Begin);
Visibility = Reader.ReadBytes((int)visibilityCount);
//Nodes
//Surfaces
Reader.Seek(texinfoOffset, SeekOrigin.Begin);
Surfaces = new Surface[texinfoCount / 24];
for (int i = 0; i < Surfaces.Length; ++i)
{
Surfaces[i] = new Surface(
new Vector4f(Reader.ReadSingle(), Reader.ReadSingle(), Reader.ReadSingle(), Reader.ReadSingle()),
new Vector4f(Reader.ReadSingle(), Reader.ReadSingle(), Reader.ReadSingle(), Reader.ReadSingle()),
Reader.ReadInt32(), Reader.ReadInt32());
}
//Faces
Reader.Seek(facesOffset, SeekOrigin.Begin);
Faces = new Face[facesCount / 20];
for (int i = 0; i < Faces.Length; ++i)
{
Faces[i] = new Face(
Reader.ReadUInt16(), Reader.ReadInt16(),
Reader.ReadInt32(), Reader.ReadInt16(), Reader.ReadInt16(),
Reader.ReadByte(), Reader.ReadByte(), Reader.ReadByte(), Reader.ReadByte(),
Reader.ReadInt32());
}
//Lighting
Reader.Seek(facesOffset, SeekOrigin.Begin);
Lighting = Reader.ReadBytes((int)lightingCount);
//#define clipnodes 9
//#define leafs 10
//#define marksurfaces 11
//#define edges 12
//#define surfedges 13
//#define models 14
//Edges
Reader.Seek(edgesOffset, SeekOrigin.Begin);
Edges = new Edge[edgesCount / 4];
for (int i = 0; i < Edges.Length; ++i)
{
Edges[i] = new Edge(Reader.ReadUInt16(), Reader.ReadUInt16());
}
//SurfaceEdges
Reader.Seek(surfedgesOffset, SeekOrigin.Begin);
SurfaceEdges = new int[surfedgesCount / 4];
for (int i = 0; i < Planes.Length; ++i)
{
SurfaceEdges[i] = Reader.ReadInt32();
}
}
BlockEntry GetBlockEntry(uint index)
{
Reader.Seek(BlockEntryOffset + index * BlockEntry.Size, SeekOrigin.Begin);
BlockEntry entry;
entry.EntryType = Reader.ReadUInt32(); //public long EntryType; // Flags for the block entry. 0x200F0000 == Not used.
entry.FileDataOffset = Reader.ReadUInt32(); //public long FileDataOffset; // The offset for the data contained in this block entry in the file.
entry.FileDataSize = Reader.ReadUInt32(); //public long FileDataSize; // The length of the data in this block entry.
entry.FirstDataBlockIndex = Reader.ReadUInt32(); //public long FirstDataBlockIndex; // The index to the first data block of this block entry's data.
entry.NextBlockEntryIndex = Reader.ReadUInt32(); //public long NextBlockEntryIndex; // The next block entry in the series. (N/A if == BlockCount.)
entry.PreviousBlockEntryIndex = Reader.ReadUInt32(); //public long PreviousBlockEntryIndex; // The previous block entry in the series. (N/A if == BlockCount.)
entry.DirectoryIndex = Reader.ReadUInt32(); //public long DirectoryIndex; // The index of the block entry in the directory.
return(entry);
}
public Gcf(Stream stream)
{
Reader = new Ibasa.IO.BinaryReader(stream, Encoding.ASCII);
{
long seek = Reader.Position;
uint checksum = Reader.ReadBytes(10 * 4).Aggregate(0U, (sum, value) => sum + value);
Reader.Position = seek;
if (Reader.ReadUInt32() != 0x00000001) // HeaderVersion Always 0x00000001
{
throw new InvalidDataException("Header version mismatch.");
}
if (Reader.ReadUInt32() != 0x00000001) // MajorVersion Always 0x00000001
{
throw new InvalidDataException("Major version mismatch.");
}
var minor = Reader.ReadInt32();
if (minor != 3 && minor != 5 && minor != 6)
{
throw new InvalidDataException(string.Format("Minor version mismatch, read {0} expected 3, 5 or 6.", minor));
}
GCFVersion = new Version(1, minor);
CacheID = Reader.ReadInt32();
LastVersionPlayed = Reader.ReadInt32();
var dummy0 = Reader.ReadUInt32();
var dummy1 = Reader.ReadUInt32();
FileSize = Reader.ReadUInt32(); // Total size of GCF file in bytes.
SectorSize = Reader.ReadUInt32(); // Size of each data block in bytes.
SectorCount = Reader.ReadUInt32(); // Number of data blocks.
if (checksum != Reader.ReadUInt32()) // Header checksum.
{
throw new InvalidDataException("Checksum mismatch.");
}
}
{
long seek = Reader.Position;
uint checksum = Reader.Read <uint>(7).Aggregate(0U, (sum, value) => sum + value);
Reader.Position = seek;
BlockCount = Reader.ReadUInt32(); // Number of data blocks.
if (BlockCount != SectorCount)
{
throw new InvalidDataException("BlockCount does not match SectorCount.");
}
BlocksUsed = Reader.ReadUInt32(); // Number of data blocks that point to data.
var dummy0 = Reader.ReadUInt32();
var dummy1 = Reader.ReadUInt32();
var dummy2 = Reader.ReadUInt32();
var dummy3 = Reader.ReadUInt32();
var dummy4 = Reader.ReadUInt32();
if (checksum != Reader.ReadUInt32()) // Header checksum.
{
throw new InvalidDataException("Checksum mismatch.");
}
}
BlockEntryOffset = Reader.Position;
//Seek past block entries
Reader.Seek(BlockCount * BlockEntry.Size, SeekOrigin.Current);
{ //FragmentationMapHeader
long seek = Reader.Position;
uint checksum = Reader.Read <uint>(3).Aggregate(0U, (sum, value) => sum + value);
Reader.Position = seek;
uint sectorCount = Reader.ReadUInt32();
if (SectorCount != sectorCount)
{
throw new InvalidDataException();
}
FirstUnusedEntry = Reader.ReadUInt32();
Terminator = Reader.ReadUInt32() == 0 ? 0x0000ffff : 0xffffffff;
if (checksum != Reader.ReadUInt32()) // Header checksum.
{
throw new InvalidDataException("Checksum mismatch.");
}
}
FragmentationMapEntryOffset = Reader.BaseStream.Position;
//Seek past block entries
Reader.Seek(BlockCount * 4, SeekOrigin.Current);
{ //BlockMapHeader
if (GCFVersion.Minor <= 5)
{
uint blockCount = Reader.ReadUInt32();
uint firstBlockEntryIndex = Reader.ReadUInt32();
uint lastBlockEntryIndex = Reader.ReadUInt32();
uint dummy0 = Reader.ReadUInt32();
uint checksum = Reader.ReadUInt32();
//struct BlockMapEntry
//{
// public uint PreviousBlockEntryIndex; // The previous block entry. (N/A if == BlockCount.)
// public uint NextBlockEntryIndex; // The next block entry. (N/A if == BlockCount.)
//}
Reader.Seek(blockCount * 8, SeekOrigin.Current);
}
}
{ //DirectoryHeader
if (Reader.ReadUInt32() != 0x00000004) // HeaderVersion Always 0x00000004
{
throw new InvalidDataException("Header version mismatch.");
}
if (Reader.ReadUInt32() != CacheID) // CacheID
{
throw new InvalidDataException("CacheID mismatch.");
}
if (Reader.ReadUInt32() != LastVersionPlayed) // LastVersionPlayed
{
throw new InvalidDataException("LastVersionPlayed mismatch.");
}
ItemCount = Reader.ReadUInt32(); //public uint ItemCount; // Number of items in the directory.
FileCount = Reader.ReadUInt32(); //public uint FileCount; // Number of files in the directory.
var dummy0 = Reader.ReadUInt32();
DirectorySize = Reader.ReadUInt32(); //public uint DirectorySize; // Size of lpGCFDirectoryEntries & lpGCFDirectoryNames & lpGCFDirectoryInfo1Entries & lpGCFDirectoryInfo2Entries & lpGCFDirectoryCopyEntries & lpGCFDirectoryLocalEntries in bytes.
NameSize = Reader.ReadUInt32(); //public uint NameSize; // Size of the directory names in bytes.
HashTableKeyCount = Reader.ReadUInt32(); //public uint HashTableKeyCount; // Number of Info1 entires.
CopyCount = Reader.ReadUInt32(); //public uint CopyCount; // Number of files to copy.
LocalCount = Reader.ReadUInt32(); //public uint LocalCount; // Number of files to keep local.
var dummy1 = Reader.ReadUInt32();
var dummy2 = Reader.ReadUInt32();
var checksum = Reader.ReadUInt32(); // Header checksum never computes
}
DirectoryEntryOffset = Reader.BaseStream.Position;
Reader.Seek(ItemCount * DirectoryEntry.Size, SeekOrigin.Current);
DirectoryNameOffset = Reader.BaseStream.Position;
Reader.Seek(NameSize, SeekOrigin.Current);
DirectoryInfo1EntryOffset = Reader.BaseStream.Position;
Reader.Seek(HashTableKeyCount * DirectoryInfo1Entry.Size, SeekOrigin.Current);
DirectoryInfo2EntryOffset = Reader.BaseStream.Position;
Reader.Seek(ItemCount * DirectoryInfo2Entry.Size, SeekOrigin.Current);
DirectoryCopyEntryOffset = Reader.BaseStream.Position;
Reader.Seek(CopyCount * DirectoryCopyEntry.Size, SeekOrigin.Current);
DirectoryLocalEntryOffset = Reader.BaseStream.Position;
Reader.Seek(LocalCount * DirectoryLocalEntry.Size, SeekOrigin.Current);
{ //DirectoryMapHeader
//public uint Dummy0;
//public uint Dummy1;
Reader.Seek(8, SeekOrigin.Current);
}
DirectoryMapEntryOffset = Reader.BaseStream.Position;
Reader.Seek(ItemCount * 4, SeekOrigin.Current);
{ //ChecksumHeader ChecksumMapHeader
if (Reader.ReadUInt32() != 0x00000001) // HeaderVersion Always 0x00000001
{
throw new InvalidDataException();
}
ChecksumSize = Reader.ReadUInt32(); // Size of LPGCFCHECKSUMHEADER & LPGCFCHECKSUMMAPHEADER & in bytes.
if (Reader.ReadUInt32() != 0x14893721) // FormatCode Always 0x14893721
{
throw new InvalidDataException();
}
if (Reader.ReadUInt32() != 0x00000001) // Dummy0 Always 0x00000001
{
throw new InvalidDataException();
}
ChecksumItemCount = Reader.ReadUInt32(); // Number of file ID entries.
ChecksumCount = Reader.ReadUInt32(); // Number of checksums.
}
ChecksumMapEntryOffset = Reader.BaseStream.Position;
Reader.Seek(ChecksumItemCount * ChecksumMapEntry.Size, SeekOrigin.Current);
ChecksumEntryOffset = Reader.BaseStream.Position;
Reader.Seek(ChecksumCount * 4, SeekOrigin.Current);
//Skip past signature
Reader.Seek(0x80, SeekOrigin.Current);
if (Reader.ReadUInt32() != LastVersionPlayed) // LastVersionPlayed
{
throw new InvalidDataException("LastVersionPlayed mismatch.");
}
{ //DataHeader
uint checksum = 0;
uint sectorCount, sectorSize;
checksum += (sectorCount = Reader.ReadUInt32()); // Number of data blocks.
if (SectorCount != sectorCount)
{
throw new InvalidDataException();
}
checksum += (sectorSize = Reader.ReadUInt32()); // Size of each data block in bytes.
if (SectorSize != sectorSize)
{
throw new InvalidDataException();
}
checksum += (FirstSectorOffset = Reader.ReadUInt32()); // Offset to first data block.
checksum += (SectorsUsed = Reader.ReadUInt32()); // Number of data blocks that contain data.
if (checksum != Reader.ReadUInt32()) //public uint Checksum; // Header checksum.
{
throw new InvalidDataException();
}
}
for (uint index = 0; index < ItemCount; ++index)
{
DirectoryEntry entry = GetDirectoryEntry(index);
if (entry.ParentIndex == 0xFFFFFFFF)
{
RootDirectory = new GcfDirectoryInfo(this, index);
break;
}
}
}
