public void WriteDecrypted(Stream stream)
{
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;
bw.Write(Signature);
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);
Console.Write("Compressing {0}: ",
file.name ?? file.Hash.ToString("X8"));
byte[] output = KH1Compressor.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
{
Console.WriteLine("Adding {0}", file.name ?? file.Hash.ToString("X8"));
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);
}
}
}
private static void CreateFireEmblemArchive(string outdir, string newname)
{
Console.WriteLine("Creating archive {0}", Path.GetFileName(newname));
FileStream newfilestream = File.Create(newname);
//Let's get the number of files
string[] files = Directory.GetFiles(outdir);
uint FileCount = (uint)files.Length;
Console.WriteLine("{0} files detected!", FileCount);
var ShiftJIS = Encoding.GetEncoding(932);
BinaryStream newFile = new BinaryStream(newfilestream);
MemoryStream infos = new MemoryStream();
BinaryWriter FileInfos = new BinaryWriter(infos);
Console.WriteLine("Creating dummy header...");
newFile.Write(0);//Dummy; file size
//MetaOffset 0x4
newFile.Write(0);//dummy should be MetaOffset
newFile.Write(FileCount);
newFile.Write(FileCount + 3);
byte nil = 0;
for (int i = 0; i < 0x70; i++)
{
newFile.Write(nil);
}
int z = 0;
foreach (string fileName in files)
{
Console.WriteLine("Adding file {0}...", Path.GetFileName(fileName));
byte[] filetoadd = File.ReadAllBytes(fileName);
uint fileoff = (uint)newFile.Tell();
newFile.Write(filetoadd);
while ((int)newFile.Tell() % 128 != 0)
{
newFile.Write(nil);
}
FileInfos.Write(0);//Name position
FileInfos.Write(z);//FileIndex
FileInfos.Write(filetoadd.Length);//Length of the file
FileInfos.Write(fileoff - 0x80);//Data Offset - 0x80
z++;
}
long countinfo = newFile.Tell();
newFile.Write(files.Length);//Count is written there afaik
long infopointer = newFile.Tell();
Console.WriteLine("Adding dummy FileInfos...");
infos.Seek(0, SeekOrigin.Begin);
var infopos = newFile.Tell();
newFile.Write(infos.ToArray());
Console.WriteLine("Rewriting header...");
long metapos = newFile.Tell();
newFile.Seek(4, SeekOrigin.Begin);
newFile.Write((uint)metapos - 0x20);
newFile.Seek(metapos, SeekOrigin.Begin);
Console.WriteLine("Adding FileInfos pointer...");
for (int i = 0; i < files.Length; i++)
{
newFile.Write((uint)((infopointer + i * 16) - 0x20));
}
Console.WriteLine("Adding Advanced pointers...");
newFile.Write((uint)0x60);
newFile.Write(0);
newFile.Write((uint)(countinfo - 0x20));
newFile.Write((uint)5);
newFile.Write((uint)(countinfo + 4 - 0x20));
newFile.Write((uint)0xB);
for(int i = 0; i < files.Length; i++)
{
newFile.Write((uint)((countinfo + 4) + i * 16 ) - 0x20);
//Second pointer is a bit more complicated
if (i == 0)
{
newFile.Write((uint)0x10);
}
else
{
if (i == 1)
{
newFile.Write((uint)0x1C);
}
else
{
newFile.Write((uint)(0x1C + (10 * (i - 1))));//Currently this pointer is unknown, so we assume blindly that a basic pattern is correct
}
}
}
//This need to be reversed!
//0, 5, 0B, 10, 1C, 26, 30, 3A, 44, 4E
//+5, +6, +4, +12, +10, +10, +10, +10, +10
Console.WriteLine("Adding Filenames...");
var datcount = new byte[] { 0x44, 0x61, 0x74, 0x61, 0x00, 0x43, 0x6F, 0x75, 0x6E, 0x74, 0x00, 0x49, 0x6E, 0x66, 0x6F, 0x00 };
newFile.Write(datcount);
int y = 0;
foreach (string fileName in files)
{
FileInfos.Seek(y * 16, SeekOrigin.Begin);
long namepos = newFile.Tell();
FileInfos.Write((uint)namepos - 0x20);
newFile.Write(ShiftJIS.GetBytes(Path.GetFileName(fileName)));
newFile.Write(nil);
y++;
}
Console.WriteLine("Rewriting FileInfos...");
newFile.Seek(infopos, SeekOrigin.Begin);
infos.Seek(0, SeekOrigin.Begin);
newFile.Write(infos.ToArray());
Console.WriteLine("Finishing the job...");
newFile.Seek(0, SeekOrigin.Begin);
UInt32 newlength = (UInt32)newFile.BaseStream.Length;
newFile.Write(newlength);
Console.WriteLine( "Done!");
newFile.Close();
}
