private void WriteHeader(BinaryWriter writer, GpkPackage package)
{
writer.Write(package.Header.Tag);
writer.Write(package.Header.FileVersion);
writer.Write(package.Header.LicenseVersion);
writer.Write(package.Header.PackageFlags);
writer.Write(package.Header.PackageName.Length + 1);
WriteString(writer, package.Header.PackageName);
writer.Write(package.Header.Unk1);
writer.Write(package.Header.Unk2);
writer.Write(package.Header.NameCount + package.Header.NameOffset); //tera thing
offsetNamePos = writer.BaseStream.Position;
writer.Write(package.Header.NameOffset);
writer.Write(package.Header.ExportCount);
offsetExportPos = writer.BaseStream.Position;
writer.Write(package.Header.ExportOffset);
writer.Write(package.Header.ImportCount);
offsetImportPos = writer.BaseStream.Position;
writer.Write(package.Header.ImportOffset);
writer.Write(package.Header.DependsOffset);
writer.Write(package.Header.FGUID);
writer.Write(package.Header.Generations.Count);
for (int i = 0; i < package.Header.Generations.Count; i++)
{
GpkGeneration tmpgen = package.Header.Generations[i];
writer.Write(tmpgen.ExportCount);
writer.Write(tmpgen.NameCount);
writer.Write(tmpgen.NetObjectCount);
}
writer.Write(package.Header.Unk3);
writer.Write(package.Header.Unk4);
writer.Write(package.Header.Unk5);
writer.Write(package.Header.Unk6);
//writer.Write(package.Header.EngineVersion);
writer.Write(0xC0FFEEAA); //my signature ^^
writer.Write(package.Header.CookerVersion);
logger.Debug("Wrote header pos " + writer.BaseStream.Position);
}
private void WriteHeader(BinaryWriter writer, GpkPackage package)
{
writer.Write(package.Header.Tag);
writer.Write(package.Header.FileVersion);
writer.Write(package.Header.LicenseVersion);
writer.Write(package.Header.PackageFlags);
WriteString(writer, package.Header.PackageName, true);
writer.Write(package.Header.Unk1);
writer.Write(package.Header.Unk2);
if (package.x64)
{
writer.Write(package.Header.NameCount);
}
else
{
writer.Write(package.Header.NameCount + package.Header.NameOffset); //tera thing
}
offsetNamePos = writer.BaseStream.Position;
writer.Write(package.Header.NameOffset);
writer.Write(package.Header.ExportCount);
offsetExportPos = writer.BaseStream.Position;
writer.Write(package.Header.ExportOffset);
writer.Write(package.Header.ImportCount);
offsetImportPos = writer.BaseStream.Position;
writer.Write(package.Header.ImportOffset);
writer.Write(package.Header.DependsOffset);
if (package.x64)
{
writer.Write(package.Header.Unk3);
}
writer.Write(package.Header.FGUID);
writer.Write(package.Header.Generations.Count);
for (int i = 0; i < package.Header.Generations.Count; i++)
{
GpkGeneration tmpgen = package.Header.Generations[i];
writer.Write(tmpgen.ExportCount);
writer.Write(tmpgen.NameCount);
writer.Write(tmpgen.NetObjectCount);
}
//24
//writer.Write(package.Header.EngineVersion);
writer.Write(0xC0FFEEAA); //my signature
writer.Write(package.Header.CookerVersion);
writer.Write((int)0); //compressionFlags, we dont apply this
writer.Write((long)0); //unk
writer.Write((int)0);
logger.Debug("Wrote header pos " + writer.BaseStream.Position);
}
private void ReadHeader(BinaryReader reader, GpkPackage package)
{
logger.Trace("Header start");
package.Header.Tag = reader.ReadInt32();
CheckSignature(package.Header.Tag);
package.Header.FileVersion = reader.ReadInt16();
package.Header.LicenseVersion = reader.ReadInt16();
package.x64 = package.Header.FileVersion >= 0x381;
package.Header.PackageFlags = reader.ReadInt32();
int len = reader.ReadInt32();
package.Header.PackageName = ReadString(reader, len);
package.Header.Unk1 = reader.ReadInt16();
package.Header.Unk2 = reader.ReadInt16();
package.Header.NameCount = reader.ReadInt32();
package.Header.NameOffset = reader.ReadInt32();
if (!package.x64)
{
FixNameCount(package);
}
package.Header.ExportCount = reader.ReadInt32();
package.Header.ExportOffset = reader.ReadInt32();
package.Header.ImportCount = reader.ReadInt32();
package.Header.ImportOffset = reader.ReadInt32();
package.Header.DependsOffset = reader.ReadInt32();
logger.Debug("NameCount " + package.Header.NameCount);
logger.Debug("NameOffset " + package.Header.NameOffset);
logger.Debug("ExportCount " + package.Header.ExportCount);
logger.Debug("ExportOffset " + package.Header.ExportOffset);
logger.Debug("ImportCount " + package.Header.ImportCount);
logger.Debug("ImportOffset " + package.Header.ImportOffset);
logger.Debug("DependsOffset " + package.Header.DependsOffset);
if (package.x64)
{
package.Header.Unk3 = reader.ReadBytes(16);
}
stat.totalobjects = package.Header.NameCount + package.Header.ImportCount + package.Header.ExportCount * 3; //Export, Export Linking, ExportData = *3
logger.Info("File Info: NameCount {0}, ImportCount {1}, ExportCount {2}", package.Header.NameCount, package.Header.ImportCount, package.Header.ExportCount);
package.Header.FGUID = reader.ReadBytes(16);
//logger.Info("FGUID " + package.Header.FGUID);
int generation_count = reader.ReadInt32();
for (int i = 0; i < generation_count; i++)
{
GpkGeneration tmpgen = new GpkGeneration();
tmpgen.ExportCount = reader.ReadInt32();
tmpgen.NameCount = reader.ReadInt32();
tmpgen.NetObjectCount = reader.ReadInt32();
logger.Debug("Generation {0}, ExportCount {1}, NameCount {2}, NetObjectCount {3}", i, tmpgen.ExportCount, tmpgen.NameCount, tmpgen.NetObjectCount);
package.Header.Generations.Add(tmpgen);
}
package.Header.EngineVersion = reader.ReadInt32();
package.Header.CookerVersion = reader.ReadInt32();
package.Header.CompressionFlags = reader.ReadInt32();
int chunkCount = reader.ReadInt32();
for (int i = 0; i < chunkCount; i++)
{
var chunk = new GpkCompressedChunkHeader();
chunk.UncompressedOffset = reader.ReadInt32();
chunk.UncompressedSize = reader.ReadInt32();
chunk.CompressedOffset = reader.ReadInt32();
chunk.CompressedSize = reader.ReadInt32();
package.Header.ChunkHeaders.Add(chunk);
if (i == 0)
{
package.UncompressedSize = chunk.CompressedOffset + chunk.UncompressedSize;
//header + chunk 1, assumption is that chunk 1 lays behind header
}
else
{
package.UncompressedSize += chunk.UncompressedSize;
}
}
if (package.Header.EngineVersion == 0xC0FFEE)
{
logger.Info("Found a old brother ;)");
}
logger.Debug("EngineVersion {0}, CookerVersion {1}, compressionFlags {2}, chunkCount {3}",
package.Header.EngineVersion, package.Header.CookerVersion, package.Header.CompressionFlags, package.Header.ChunkHeaders.Count);
logger.Debug("Compressed: {0}, FullyCompressed {1}, PackageFlags {2:X}",
((GpkPackageFlags)package.Header.PackageFlags & GpkPackageFlags.Compressed),
((GpkPackageFlags)package.Header.PackageFlags & GpkPackageFlags.FullyCompressed),
package.Header.PackageFlags
);
}
private void ReadHeader(BinaryReader reader, GpkPackage package)
{
logger.Trace("Header start");
package.Header.Tag = reader.ReadInt32();
CheckSignature(package.Header.Tag);
package.Header.FileVersion = reader.ReadInt16();
package.Header.LicenseVersion = reader.ReadInt16();
package.Header.PackageFlags = reader.ReadInt32();
int len = reader.ReadInt32();
package.Header.PackageName = ReadString(reader, len);
package.Header.Unk1 = reader.ReadInt16();
package.Header.Unk2 = reader.ReadInt16();
package.Header.NameCount = reader.ReadInt32();
package.Header.NameOffset = reader.ReadInt32();
FixNameCount(package);
package.Header.ExportCount = reader.ReadInt32();
package.Header.ExportOffset = reader.ReadInt32();
package.Header.ImportCount = reader.ReadInt32();
package.Header.ImportOffset = reader.ReadInt32();
package.Header.DependsOffset = reader.ReadInt32();
logger.Debug("NameCount " + package.Header.NameCount);
logger.Debug("NameOffset " + package.Header.NameOffset);
logger.Debug("ExportCount " + package.Header.ExportCount);
logger.Debug("ExportOffset " + package.Header.ExportOffset);
logger.Debug("ImportCount " + package.Header.ImportCount);
logger.Debug("ImportOffset " + package.Header.ImportOffset);
logger.Debug("DependsOffset " + package.Header.DependsOffset);
stat.totalobjects = package.Header.NameCount + package.Header.ImportCount + package.Header.ExportCount * 3; //Export, Export Linking, ExportData = *3
logger.Info("File Info: NameCount {0}, ImportCount {1}, ExportCount {2}", package.Header.NameCount, package.Header.ImportCount, package.Header.ExportCount);
package.Header.FGUID = reader.ReadBytes(16);
//logger.Info("FGUID " + package.Header.FGUID);
int generation_count = reader.ReadInt32();
for (int i = 0; i < generation_count; i++)
{
GpkGeneration tmpgen = new GpkGeneration();
tmpgen.ExportCount = reader.ReadInt32();
tmpgen.NameCount = reader.ReadInt32();
tmpgen.NetObjectCount = reader.ReadInt32();
logger.Debug("Generation {0}, ExportCount {1}, NameCount {2}, NetObjectCount {3}", i, tmpgen.ExportCount, tmpgen.NameCount, tmpgen.NetObjectCount);
package.Header.Generations.Add(tmpgen);
}
package.Header.Unk3 = reader.ReadInt32();
package.Header.Unk4 = reader.ReadInt32();
package.Header.Unk5 = reader.ReadInt32();
package.Header.Unk6 = reader.ReadInt32();
package.Header.EngineVersion = reader.ReadInt32();
package.Header.CookerVersion = reader.ReadInt32();
if (package.Header.EngineVersion == 0xC0FFEE)
{
logger.Info("Found a old brother ;)");
}
logger.Debug("Unk3 {0}, Unk4 {1}, Unk5 {2}, Unk6 {3}, EngineVersion {4}, CookerVersion {5}",
package.Header.Unk3, package.Header.Unk4, package.Header.Unk5, package.Header.Unk6, package.Header.EngineVersion, package.Header.CookerVersion);
}
private void WriteHeader(BinaryWriter writer, GpkPackage package, bool reserveChunkheaderSize)
{
writer.Write(package.Header.Tag);
writer.Write(package.Header.FileVersion);
writer.Write(package.Header.LicenseVersion);
writer.Write(package.Header.HeaderSize);
WriteString(writer, package.Header.PackageName, true);
writer.Write(package.Header.PackageFlags);
if (package.x64)
{
writer.Write(package.Header.NameCount);
}
else
{
writer.Write(package.Header.NameCount + package.Header.NameOffset); //tera thing
}
offsetNamePos = writer.BaseStream.Position;
writer.Write(package.Header.NameOffset);
writer.Write(package.Header.ExportCount);
offsetExportPos = writer.BaseStream.Position;
writer.Write(package.Header.ExportOffset);
writer.Write(package.Header.ImportCount);
offsetImportPos = writer.BaseStream.Position;
writer.Write(package.Header.ImportOffset);
offsetDependsPos = writer.BaseStream.Position;
writer.Write(package.Header.DependsOffset);
headerSizeOffset = writer.BaseStream.Position;
if (package.x64)
{
writer.Write(package.Header.HeaderSize);
}
if (package.x64)
{
writer.Write(package.Header.Unk1);
}
writer.Write(package.Header.FGUID);
writer.Write(package.Header.Generations.Count);
for (int i = 0; i < package.Header.Generations.Count; i++)
{
GpkGeneration tmpgen = package.Header.Generations[i];
writer.Write(tmpgen.ExportCount);
writer.Write(tmpgen.NameCount);
writer.Write(tmpgen.NetObjectCount);
}
//24
writer.Write(package.Header.EngineVersion);
writer.Write(package.Header.CookerVersion);
if (CoreSettings.Default.EnableCompression)
{
writer.Write(package.Header.CompressionFlags); //compressionFlags
if (reserveChunkheaderSize)
{
int headerCount = package.EstimateChunkHeaderCount();
//16 bytes per chunkheader
writer.Write((int)0); //chunkcount;
//writer.Write(new byte[16 * headerCount]);
}
else
{
writer.Write(package.Header.ChunkHeaders.Count); //chunkcount;
foreach (var chunk in package.Header.ChunkHeaders)
{
writer.Write(chunk.UncompressedOffset);
writer.Write(chunk.UncompressedSize);
writer.Write(chunk.CompressedOffset);
writer.Write(chunk.CompressedSize);
}
}
}
else
{
writer.Write((int)0); //compressionFlags
writer.Write((int)0); //chunkheadercount
}
writer.Write(package.Header.HeaderPadding); //unk stuff
logger.Debug("Wrote header pos " + writer.BaseStream.Position);
}
private void ReadHeader(BinaryReader reader, GpkPackage package)
{
logger.Trace("Header start");
if (reader.BaseStream.Length == 0)
{
throw new Exception("Not a valid GPK File.");
}
package.Header.Tag = reader.ReadInt32();
CheckSignature(package.Header.Tag);
package.Header.FileVersion = reader.ReadInt16();
package.Header.LicenseVersion = reader.ReadInt16();
package.x64 = package.Header.FileVersion >= 0x381;
package.Header.HeaderSize = reader.ReadInt32();
int len = reader.ReadInt32();
package.Header.PackageName = ReadString(reader, len);
package.Header.PackageFlags = reader.ReadInt32();
package.Header.NameCount = reader.ReadInt32();
package.Header.NameOffset = reader.ReadInt32();
if (!package.x64)
{
FixNameCount(package);
}
package.Header.ExportCount = reader.ReadInt32();
package.Header.ExportOffset = reader.ReadInt32();
package.Header.ImportCount = reader.ReadInt32();
package.Header.ImportOffset = reader.ReadInt32();
package.Header.DependsOffset = reader.ReadInt32();
if (package.x64)
{
package.Header.HeaderSize = reader.ReadInt32(); //seralizedoffset
}
if (package.x64)
{
package.Header.Unk1 = reader.ReadBytes(12);
}
logger.Debug("NameCount " + package.Header.NameCount);
logger.Debug("NameOffset " + package.Header.NameOffset);
logger.Debug("ExportCount " + package.Header.ExportCount);
logger.Debug("ExportOffset " + package.Header.ExportOffset);
logger.Debug("ImportCount " + package.Header.ImportCount);
logger.Debug("ImportOffset " + package.Header.ImportOffset);
logger.Debug("DependsOffset " + package.Header.DependsOffset);
logger.Debug("HeaderSize " + package.Header.HeaderSize);
stat.totalobjects = package.Header.NameCount + package.Header.ImportCount + package.Header.ExportCount * 3; //Export, Export Linking, ExportData = *3
logger.Debug("File Info: NameCount {0}, ImportCount {1}, ExportCount {2}", package.Header.NameCount, package.Header.ImportCount, package.Header.ExportCount);
package.Header.FGUID = reader.ReadBytes(16);
int generation_count = reader.ReadInt32();
package.Header.Generations.Clear();
for (int i = 0; i < generation_count; i++)
{
GpkGeneration tmpgen = new GpkGeneration();
tmpgen.ExportCount = reader.ReadInt32();
tmpgen.NameCount = reader.ReadInt32();
tmpgen.NetObjectCount = reader.ReadInt32();
logger.Debug("Generation {0}, ExportCount {1}, NameCount {2}, NetObjectCount {3}", i, tmpgen.ExportCount, tmpgen.NameCount, tmpgen.NetObjectCount);
package.Header.Generations.Add(tmpgen);
}
package.Header.EngineVersion = reader.ReadInt32();
package.Header.CookerVersion = reader.ReadInt32();
package.Header.CompressionFlags = reader.ReadInt32();
int chunkCount = reader.ReadInt32();
package.Header.ChunkHeaders.Clear();
for (int i = 0; i < chunkCount; i++)
{
var chunk = new GpkCompressedChunkHeader();
chunk.UncompressedOffset = reader.ReadInt32();
chunk.UncompressedSize = reader.ReadInt32();
chunk.CompressedOffset = reader.ReadInt32();
chunk.CompressedSize = reader.ReadInt32();
package.Header.ChunkHeaders.Add(chunk);
if (i == 0)
{
package.UncompressedSize = chunk.CompressedOffset + chunk.UncompressedSize;
//header + chunk 1, assumption is that chunk 1 lays behind header
}
else
{
package.UncompressedSize += chunk.UncompressedSize;
}
int endOfChunk = chunk.CompressedOffset + chunk.CompressedSize;
if (endOfChunk > package.CompressedEndOffset)
{
package.CompressedEndOffset = endOfChunk;
}
logger.Debug("Chunk {0}: UncompressedOffset {1}, UncompressedSize {2}, CompressedOffset {3}, CompressedSize {4}, CompressedEnd {5}",
i, chunk.UncompressedOffset, chunk.UncompressedSize, chunk.CompressedOffset, chunk.CompressedSize, endOfChunk);
}
logger.Debug("EngineVersion {0}, CookerVersion {1}, compressionFlags {2}, chunkCount {3}, PkgUncompressedSize {4}",
package.Header.EngineVersion, package.Header.CookerVersion, package.Header.CompressionFlags, package.Header.ChunkHeaders.Count, package.UncompressedSize);
logger.Debug("Compressed: {0}, FullyCompressed {1}, PackageFlags {2:X}",
((GpkPackageFlags)package.Header.PackageFlags & GpkPackageFlags.Compressed),
((GpkPackageFlags)package.Header.PackageFlags & GpkPackageFlags.FullyCompressed),
package.Header.PackageFlags
);
int paddingSize;
if (chunkCount > 0)
{
// for compressed packages we can calcualte how much extra data there is
paddingSize = package.Header.ChunkHeaders[0].CompressedOffset - (int)(reader.BaseStream.Position);
}
else
{
//uncompressed, save everythign to the namelist
paddingSize = package.Header.NameOffset - (int)(reader.BaseStream.Position);
}
if (paddingSize > 0 && paddingSize < 1024)
{
//sanity check
package.Header.HeaderPadding = reader.ReadBytes(paddingSize);
}
logger.Debug("End of Header at {0}, paddingSize {1}", reader.BaseStream.Position, package.Header.HeaderPadding.Length);
}
