public static void unpack(string input)
{
StreamEx s = new StreamEx(input, System.IO.FileMode.Open, System.IO.FileAccess.Read);
string unpackdir = Path.GetFullPath(input) + "_unpack";
if (!Directory.Exists(unpackdir))
{
Directory.CreateDirectory(unpackdir);
}
Int64 fixedHeaderRead = s.ReadInt64BigEndian();
if (fixedHeaderRead != fixHeaderPS3FS_V1 &&
fixedHeaderRead != fixHeaderDSARCFL)
{
throw new Exception("文件头不能识别");
}
Int32 fileCount = s.ReadInt32BigEndian();
s.Position += 4;
List <headerNode> headers = new List <headerNode>();
if (fixedHeaderRead == fixHeaderPS3FS_V1)
{
Console.WriteLine("PS3FS_V1格式");
for (int i = 0; i < fileCount; i++)
{
headerNode h = new headerNode();
h.fileName = s.ReadSimpleString(0x30);
s.Position += 4;
h.fileLength = s.ReadInt32BigEndian();
s.Position += 4;
h.fileOffset = s.ReadInt32BigEndian();
headers.Add(h);
}
}
else if (fixedHeaderRead == fixHeaderDSARCFL)
{
Console.WriteLine("DSARC FL格式");
for (int i = 0; i < fileCount; i++)
{
headerNode h = new headerNode();
h.fileName = s.ReadSimpleString(0x28);
h.fileLength = s.ReadInt32BigEndian();
h.fileOffset = s.ReadInt32BigEndian();
headers.Add(h);
}
}
Console.WriteLine("文件头解析:共有{0}个文件", fileCount);
for (int i = 0; i < headers.Count; i++)
{
StreamEx sNew = new StreamEx(unpackdir + "\\" + headers[i].fileName, FileMode.Create, FileAccess.Write);
Console.WriteLine("正在解包文件{0}/{1}:{2} ({3}->{4})", i + 1, headers.Count, headers[i].fileName, headers[i].fileOffset, headers[i].fileLength);
s.Position = headers[i].fileOffset;
sNew.WriteFromStream(s, headers[i].fileLength);
sNew.Close();
}
}
public static void unpack(string input)
{
StreamEx s = new StreamEx(input, System.IO.FileMode.Open, System.IO.FileAccess.Read);
string unpackdir = Path.GetFullPath(input) + "_unpack";
if (!Directory.Exists(unpackdir))
{
Directory.CreateDirectory(unpackdir);
}
Int64 fixedHeaderRead = s.ReadInt64BigEndian();
if (fixedHeaderRead != fixHeaderFilename)
{
throw new Exception("文件头不能识别");
}
Int32 fileNameBlockEnd = s.ReadInt32BigEndian();
List <Int32> fileNameOffset = new List <Int32>();
fileNameOffset.Add(s.ReadInt32BigEndian() + 0xc);
while (s.Position < fileNameOffset[0])
{
fileNameOffset.Add(s.ReadInt32BigEndian() + 0xc);
}
Console.WriteLine("共读取{0}个文件名索引", fileNameOffset.Count);
fileNameOffset.Add(fileNameBlockEnd);
List <string> fileNames = new List <string>();
for (int i = 0; i < fileNameOffset.Count - 1; i++)
{
s.Position = fileNameOffset[i];
fileNames.Add(s.ReadSimpleString(fileNameOffset[i + 1] - fileNameOffset[i]));
}
Console.WriteLine("共读取{0}个文件名索引", fileNames.Count);
s.Position = align(s.Position);
List <Int32> fileOffset = new List <Int32>();
List <Int32> fileLength = new List <Int32>();
Int64 packHeader = s.ReadInt64BigEndian();
if (packHeader != fixHeaderPack)
{
throw new Exception("包块开头不能识别");
}
Int32 dataOffset = (Int32)s.Position + s.ReadInt32BigEndian();
Int32 packCount = s.ReadInt32BigEndian();
for (int i = 0; i < packCount; i++)
{
fileOffset.Add(s.ReadInt32BigEndian());
fileLength.Add(s.ReadInt32BigEndian());
}
for (int i = 0; i < packCount; i++)
{
StreamEx sNew = new StreamEx(unpackdir + "\\" + fileNames[i], FileMode.Create, FileAccess.Write);
Console.WriteLine("正在解包文件{0}/{1}:{2} ({3}->{4})", i + 1, packCount, fileNames[i], fileOffset[i], fileLength[i]);
s.Position = fileOffset[i];
sNew.WriteFromStream(s, fileLength[i]);
sNew.Close();
}
}