public List <IsoTableEntryInfo> GetEntriesInfo(IList <IsoTableEntry> entries)
{
ProgressTotalChanged.NullSafeInvoke(entries.Count);
List <IsoTableEntryInfo> result = new List <IsoTableEntryInfo>(entries.Count);
int counter = 0;
for (int i = 0; i < entries.Count - 1; i++)
{
IsoTableEntry entry = entries[i];
long compressedSize = (entries[i + 1].Sector - entry.Sector) * _isoInfo.SectorSize - entry.Left;
if (compressedSize < 1)
{
ProgressIncrement.NullSafeInvoke(1);
continue;
}
long offset = entry.Sector * _isoInfo.SectorSize;
IsoTableEntryInfo info = new IsoTableEntryInfo(i, counter++, offset, compressedSize, entry.Flags);
result.Add(info);
ProgressIncrement.NullSafeInvoke(1);
}
return(result);
}
private void SafeReadAdditionalEntryInfo(IsoTableEntryInfo info)
{
try
{
if (info.CompressedSize < 4)
{
return;
}
byte[] signature;
using (Stream input = OpenStream(info.Offset, info.CompressedSize))
using (MemoryStream output = new MemoryStream(4))
{
if (!info.IsCompressed)
{
info.IsCompressed = (input.ReadByte() == 0x01);
input.Seek(-1, SeekOrigin.Current);
}
if (info.IsCompressed)
{
input.Seek(1, SeekOrigin.Current);
int uncompressedSize = input.ReadStruct <int>();
if (uncompressedSize < 4)
{
return;
}
LZSStream decompressStream = new LZSStream(input, output);
decompressStream.Decompress(4);
output.Flush();
signature = output.ToArray();
if (signature.Length == 0)
{
return;
}
}
else
{
signature = new byte[4];
input.EnsureRead(signature, 0, 4);
}
}
info.Signature = (FFXFileSignatures)BitConverter.ToInt32(signature, 0);
}
catch (Exception ex)
{
Log.Error(ex, "Failed to read additional info of entry '{0}'", info.GetFileName());
}
finally
{
ProgressIncrement.NullSafeInvoke(1);
}
}
public void FillKnownFileInformation(List <IsoTableEntryInfo> infos)
{
Dictionary <int, IsoTableEntryInfo> dic = new Dictionary <int, IsoTableEntryInfo>(infos.Count);
foreach (IsoTableEntryInfo info in infos)
{
dic.Add(info.Index, info);
}
using (Stream input = Assembly.GetExecutingAssembly().GetManifestResourceStream("Spira.ISO." + ExecutableFileName.Replace(".", "._") + ".AdditionalFileInformation.bin"))
{
if (input == null)
{
return;
}
using (BinaryReader br = new BinaryReader(input))
{
while (!input.IsEndOfStream())
{
int index = br.ReadInt32();
int defective = br.ReadInt32();
IsoTableEntryInfo info = dic[index];
info.AdditionalInfo = (IsoAdditionalInfo)br.ReadInt32();
if ((info.AdditionalInfo & IsoAdditionalInfo.PS2KnownSignature) == IsoAdditionalInfo.PS2KnownSignature)
{
info.Signature = (FFXFileSignatures)br.ReadInt32();
}
if ((info.AdditionalInfo & IsoAdditionalInfo.PS2KnownName) == IsoAdditionalInfo.PS2KnownName)
{
info.PS2KnownName = br.ReadString();
}
if ((info.AdditionalInfo & IsoAdditionalInfo.PS3KnownPath) == IsoAdditionalInfo.PS3KnownPath)
{
info.PS3KnownPath = br.ReadString();
}
}
}
}
}
public void ExtractFile(IsoTableEntryInfo info, string outputPath)
{
Directory.CreateDirectory(Path.GetDirectoryName(outputPath));
using (Stream input = OpenStream(info.Offset, info.CompressedSize))
using (Stream output = File.Create(outputPath))
{
if (!info.IsCompressed)
{
input.CopyTo(output);
}
else
{
input.Seek(1, SeekOrigin.Current);
int uncompressedSize = input.ReadStruct <int>();
LZSStream decompressStream = new LZSStream(input, output);
decompressStream.Decompress(uncompressedSize);
}
}
}