protected override void ReadChunk()
{
var start = this.Reader.BaseStream.Position;
Operation = (OperationKind)this.Reader.ReadByte();
this.Reader.ReadBytes(2); // Alignment
FileOffset = this.Reader.ReadInt64BE();
FileSize = this.Reader.ReadUInt64BE();
var pathLen = this.Reader.ReadUInt32BE();
ExpansionId = this.Reader.ReadUInt16BE();
this.Reader.ReadBytes(2);
TargetFile = new SqexFile(this.Reader.ReadFixedLengthString(pathLen));
if (Operation == OperationKind.AddFile)
{
CompressedDataSourceOffsets = new();
CompressedData = new List <SqpkCompressedBlock>();
while (Size - this.Reader.BaseStream.Position + start > 0)
{
CompressedDataSourceOffsets.Add(Offset + this.Reader.BaseStream.Position);
CompressedData.Add(new SqpkCompressedBlock(this.Reader));
CompressedDataSourceOffsets[CompressedDataSourceOffsets.Count - 1] += CompressedData[CompressedData.Count - 1].HeaderSize;
}
}
this.Reader.ReadBytes(Size - (int)(this.Reader.BaseStream.Position - start));
}
protected override void ReadChunk()
{
var start = reader.BaseStream.Position;
Operation = (OperationKind)reader.ReadByte();
reader.ReadBytes(2); // Alignment
FileOffset = reader.ReadInt64BE();
FileSize = reader.ReadUInt64BE();
var pathLen = reader.ReadUInt32BE();
ExpansionId = reader.ReadUInt16BE();
reader.ReadBytes(2);
TargetFile = new SqexFile(reader.ReadFixedLengthString(pathLen));
if (Operation == OperationKind.AddFile)
{
CompressedData = new List <SqpkCompressedBlock>();
while (Size - reader.BaseStream.Position + start > 0)
{
CompressedData.Add(new SqpkCompressedBlock(reader));
}
}
reader.ReadBytes(Size - (int)(reader.BaseStream.Position - start));
}
public override void ApplyChunk(ZiPatchConfig config)
{
switch (Operation)
{
// Default behaviour falls through to AddFile, though this shouldn't happen
case OperationKind.AddFile:
default:
// TODO: Check this. I *think* boot usually creates all the folders like sqpack, movie, etc., so this might be kind of a hack
TargetFile.CreateDirectoryTree(config.GamePath);
var fileStream = config.Store == null?
TargetFile.OpenStream(config.GamePath, FileMode.OpenOrCreate) :
TargetFile.OpenStream(config.Store, config.GamePath, FileMode.OpenOrCreate);
if (FileOffset == 0)
{
fileStream.SetLength(0);
}
fileStream.Seek(FileOffset, SeekOrigin.Begin);
foreach (var block in CompressedData)
{
block.DecompressInto(fileStream);
}
break;
case OperationKind.RemoveAll:
foreach (var file in SqexFile.GetAllExpansionFiles(config.GamePath, ExpansionId).Where(RemoveAllFilter))
{
File.Delete(file);
}
break;
case OperationKind.DeleteFile:
File.Delete(config.GamePath + "/" + TargetFile.RelativePath);
break;
case OperationKind.MakeDirTree:
Directory.CreateDirectory(config.GamePath + "/" + TargetFile.RelativePath);
break;
}
}
