public void ReadFile(IDXFile.IDXEntry entry, Stream target, bool AdSize)
{
if (entry.IsCompressed)
{
if (entry.CompressedDataLength > int.MaxValue)
{
throw new NotSupportedException("File to big to decompress");
}
var input = new byte[entry.CompressedDataLength];
Seek(entry.DataLBA);
file.Read(input, 0, (int)entry.CompressedDataLength);
try
{
byte[] output = KH2Compressor.decompress(input, entry.DataLength);
target.Write(output, 0, output.Length);
if (AdSize)
{
Console.WriteLine("Size (unpacked): {0}\r\n", output.Length);
}
}
catch (Exception e)
{
Program.WriteError(" ERROR: Failed to decompress: " + e.Message);
}
}
else
{
ReadFileBuffer(target, entry.Offset, entry.DataLength);
}
}
public void WriteDecrypted(Stream stream)
{
ConsoleProgress consoleProgress = null;
if (!Program.oldui)
{
consoleProgress = new ConsoleProgress(Files.Count, "Creating kh2patch...", ConsoleColor.Green);
}
stream.Position = 0;
uint changeLen = 0, creditLen = 0;
changeLen = Changelogs.Aggregate(changeLen, (current, b) => current + (4 + (uint)b.Length));
creditLen = Credits.Aggregate(creditLen, (current, b) => current + (4 + (uint)b.Length));
using (var bw = new BinaryStream(stream, leaveOpen: true))
{
uint i;
if (!fast_patch)
{
bw.Write(Signature);
}
else
{
bw.Write(Signature_Fast);
}
bw.Write((uint)(16 + _Author.Length));
bw.Write((uint)(16 + _Author.Length + 16 + changeLen + 4 + creditLen + _OtherInfo.Length));
bw.Write(Version);
bw.Write(_Author);
bw.Write((uint)12);
bw.Write(16 + changeLen);
bw.Write(16 + changeLen + 4 + creditLen);
bw.Write(i = (uint)Changelogs.Count);
i *= 4;
foreach (var b in Changelogs)
{
bw.Write(i);
i += (uint)b.Length;
}
foreach (var b in Changelogs)
{
bw.Write(b);
}
bw.Write(i = (uint)Credits.Count);
i *= 4;
foreach (var b in Credits)
{
bw.Write(i);
i += (uint)b.Length;
}
foreach (var b in Credits)
{
bw.Write(b);
}
bw.Write(_OtherInfo);
bw.Write((uint)Files.Count);
//Check total size to add
long fileTotal = 0;
try
{
fileTotal = Files.Where(file => file.Relink == 0)
.Aggregate(fileTotal, (current, file) => checked (current + file.Data.Length));
}
catch (OverflowException)
{
ISOTP.WriteError(
"That's WAY too much file data... is there even that much in the gameo.O?\r\nTry to split up the patch...");
return;
}
Stream filedata = null;
string filename = null;
//Use a MemoryStream if we can, much cleaner\faster
if (fileTotal <= int.MaxValue)
{
try
{
filedata = new MemoryStream((int)fileTotal);
}
catch (OutOfMemoryException)
{
filedata = null;
ISOTP.WriteWarning("Failed to allocate enough memory, trying temporary file fallback...");
}
}
//If we can't use a MemStream (or that failed), try a FileStream as a temp file
if (filedata == null)
{
filename = Path.GetTempFileName();
Console.WriteLine("Wow there's a lot of file data! Using a temporary file now!\r\nUsing {0}",
filename);
filedata = File.Open(filename, FileMode.Create, FileAccess.ReadWrite, FileShare.None);
}
using (filedata)
{
i = (uint)(stream.Position + Files.Count * 92);
foreach (FileEntry file in Files)
{
bw.Write(file.Hash);
if (file.Relink != 0)
{
bw.Write((uint)0);
bw.Write((uint)0);
bw.Write((uint)0);
bw.Write(file.ParentHash);
bw.Write(file.Relink);
bw.Write((uint)0);
}
else
{
uint cSize;
file.Data.Position = 0;
if (file.IsCompressed)
{
try
{
var input = new byte[file.Data.Length];
file.Data.Read(input, 0, (int)file.Data.Length);
if (Program.oldui)
{
Console.Write("Compressing {0}: ", file.name ?? file.Hash.ToString("X8"));
}
else
{
if (Program.UISwitch)
{
consoleProgress.Text = string.Format("Compressing {0}", file.name ?? file.Hash.ToString("X8"));
}
else
{
decimal nmbpercent = (((decimal)consoleProgress.Current / (decimal)consoleProgress.Total) * 100);
consoleProgress.Text = string.Format(" [{0}% Done]", (int)nmbpercent);
}
consoleProgress.Increment(1L);
}
byte[] output = KH2Compressor.compress(input);
uint cSizeSectors = (uint)Math.Ceiling((double)output.Length / 2048) - 1;
if (output.LongLength > int.MaxValue)
{
throw new NotSupportedException(
"Compressed data too big to store (Program limitation)");
}
if (cSizeSectors > 0x2FFF)
{
throw new NotSupportedException(
"Compressed data too big to store (IDX limitation)");
}
if ((cSizeSectors & 0x1000u) == 0x1000u)
{
throw new NotSupportedException(
"Compressed data size hit 0x1000 bit limitation (IDX limitation)");
}
cSize = (uint)output.Length;
filedata.Write(output, 0, output.Length);
}
catch (NotCompressableException e)
{
string es = "ERROR: Failed to compress file: " + e.Message;
ISOTP.WriteWarning(es);
Console.Write("Add it without compressing? [Y/n] ");
if (Program.GetYesNoInput())
{
file.IsCompressed = false;
cSize = (uint)file.Data.Length;
file.Data.Position = 0; //Ensure at beginning
file.Data.CopyTo(filedata);
}
else
{
throw new NotCompressableException(es, e);
}
}
}
else
{
if (Program.oldui)
{
Console.WriteLine("Adding {0}", file.name ?? file.Hash.ToString("X8"));
}
else
{
if (Program.UISwitch)
{
consoleProgress.Text = string.Format("Adding {0}", file.name ?? file.Hash.ToString("X8"));
}
else
{
decimal nmbpercent = (((decimal)consoleProgress.Current / (decimal)consoleProgress.Total) * 100);
consoleProgress.Text = string.Format(" [{0}% Done]", (int)nmbpercent);
}
consoleProgress.Increment(1L);
}
cSize = (uint)file.Data.Length;
file.Data.Position = 0; //Ensure at beginning
file.Data.CopyTo(filedata);
}
if (!file.IsCompressed &&
(((uint)Math.Ceiling((double)cSize / 2048) - 1) & 0x1000u) == 0x1000u)
{
ISOTP.WriteWarning(
"Data size hit 0x1000 bit limitation, but this file may be OK if it's streamed.");
}
bw.Write(i);
i += cSize;
bw.Write(cSize);
bw.Write((uint)file.Data.Length);
bw.Write(file.ParentHash);
bw.Write((uint)0);
bw.Write((uint)(file.IsCompressed ? 1 : 0));
}
bw.Write((uint)(file.IsNewFile ? 1 : 0)); //Custom
//Padding
bw.Write((uint)0);
bw.Write((uint)0);
bw.Write((uint)0);
bw.Write((uint)0);
bw.Write((uint)0);
bw.Write((uint)0);
bw.Write((uint)0);
bw.Write((uint)0);
bw.Write((uint)0);
bw.Write((uint)0);
bw.Write((uint)0);
bw.Write((uint)0);
bw.Write((uint)0);
bw.Write((uint)0);
bw.Write((uint)0);
}
filedata.Position = 0; //Ensure at beginning
filedata.CopyTo(stream);
}
//If we used a temp file, delete it
if (filename != null)
{
File.Delete(filename);
}
if (Program.oldui)
{
Console.WriteLine("Patch created.");
}
else
{
consoleProgress.Text = "Patch created.";
consoleProgress.Finish();
}
}
}
