public void Unpack(string in_path, string out_path, string KOMFileName)
{
System.IO.BinaryReader reader = new System.IO.BinaryReader(System.IO.File.OpenRead(in_path), System.Text.Encoding.ASCII);
reader.BaseStream.Position += 52;
int entry_count = (int)reader.ReadUInt64();
// trying to understand this crap... This is where it starts to fail
// for KOM V4 on Elsword's current data036.kom.
int compressed = reader.ReadInt32();
int file_time = reader.ReadInt32();
int xml_size = reader.ReadInt32();
byte[] xmldatabuffer = reader.ReadBytes(xml_size);
Els_kom_Core.Classes.KOMStream kOMStream = new Els_kom_Core.Classes.KOMStream();
kOMStream.DecryptCRCXml(compressed, ref xmldatabuffer, xml_size, System.Text.Encoding.ASCII);
string xmldata = System.Text.Encoding.ASCII.GetString(xmldatabuffer);
try
{
System.Collections.Generic.List <Els_kom_Core.Classes.EntryVer> entries = kOMStream.Make_entries_v4(xmldata, entry_count);
foreach (var entry in entries)
{
// we iterate through every entry here and unpack the data.
kOMStream.WriteOutput(reader, out_path, entry, SupportedKOMVersion);
}
}
catch (System.Xml.XmlException)
{
throw new Els_kom_Core.Classes.UnpackingError("failure with xml entry data reading...");
}
kOMStream.Dispose();
reader.Dispose();
}
public void Unpack(string in_path, string out_path, string KOMFileName)
{
System.IO.BinaryReader reader = new System.IO.BinaryReader(System.IO.File.OpenRead(in_path), System.Text.Encoding.ASCII);
reader.BaseStream.Position = 52;
Els_kom_Core.Classes.KOMStream kOMStream = new Els_kom_Core.Classes.KOMStream();
kOMStream.ReadInFile(reader, out int entry_count);
// without this dummy read the entry instances would not get the correct
// data leading to an crash when tring to make an file with the entry name in the output path.
kOMStream.ReadInFile(reader, out int size);
System.Collections.Generic.List <Els_kom_Core.Classes.EntryVer> entries = kOMStream.Make_entries_v2(entry_count, reader);
foreach (var entry in entries)
{
// we iterate through every entry here and unpack the data.
kOMStream.WriteOutput(reader, out_path, entry, SupportedKOMVersion);
}
kOMStream.Dispose();
reader.Dispose();
}
public void Unpack(string in_path, string out_path, string KOMFileName)
{
System.IO.BinaryReader reader = new System.IO.BinaryReader(System.IO.File.OpenRead(in_path), System.Text.Encoding.ASCII);
reader.BaseStream.Position += 52;
int entry_count = (int)reader.ReadUInt64();
reader.BaseStream.Position += 4;
int file_time = reader.ReadInt32();
int xml_size = reader.ReadInt32();
byte[] xmldatabuffer = reader.ReadBytes(xml_size);
string xmldata = System.Text.Encoding.ASCII.GetString(xmldatabuffer);
Els_kom_Core.Classes.KOMStream kOMStream = new Els_kom_Core.Classes.KOMStream();
System.Collections.Generic.List <Els_kom_Core.Classes.EntryVer> entries = kOMStream.Make_entries_v3(xmldata, entry_count);
foreach (var entry in entries)
{
// we iterate through every entry here and unpack the data.
kOMStream.WriteOutput(reader, out_path, entry, SupportedKOMVersion);
}
kOMStream.Dispose();
reader.Dispose();
}
public void Pack(string in_path, string out_path, string KOMFileName)
{
bool use_XoR = false;
if (System.IO.File.Exists(in_path + "\\XoRNeeded.dummy"))
{
use_XoR = true;
System.IO.File.Delete(in_path + "\\XoRNeeded.dummy");
}
System.IO.BinaryWriter writer = new System.IO.BinaryWriter(System.IO.File.Create(out_path), System.Text.Encoding.ASCII);
int entry_count = 0;
int crc_size = 0;
Els_kom_Core.Classes.KOMStream kOMStream = new Els_kom_Core.Classes.KOMStream();
kOMStream.ReadCrc(in_path + "\\crc.xml", out byte[] crc_data, ref entry_count, ref crc_size);
kOMStream.Dispose();
System.IO.DirectoryInfo di = new System.IO.DirectoryInfo(in_path);
int offset = 0;
System.Collections.Generic.List <Els_kom_Core.Classes.EntryVer> entries = new System.Collections.Generic.List <Els_kom_Core.Classes.EntryVer>();
foreach (var fi in di.GetFiles())
{
entry_count++;
byte[] file_data = System.IO.File.ReadAllBytes(in_path + "\\" + fi.Name);
int originalsize = file_data.Length;
if (use_XoR)
{
byte[] xorkey = System.Text.Encoding.UTF8.GetBytes("\xa9\xa9\xa9\xa9\xa9\xa9\xa9\xa9\xa9\xa9");
Els_kom_Core.Classes.BlowFish.XorBlock(ref file_data, xorkey);
}
byte[] compressedData;
try
{
Els_kom_Core.Classes.ZlibHelper.CompressData(file_data, out compressedData);
}
catch (Els_kom_Core.Classes.Zlib.ZStreamException)
{
throw new Els_kom_Core.Classes.PackingError("failed with zlib compression of entries.");
}
int compressedSize = compressedData.Length;
offset += compressedSize;
entries.Add(new Els_kom_Core.Classes.EntryVer(compressedData, fi.Name, originalsize, compressedSize, offset));
}
if (use_XoR)
{
byte[] xorkey = System.Text.Encoding.UTF8.GetBytes("\xa9\xa9\xa9\xa9\xa9\xa9\xa9\xa9\xa9\xa9");
Els_kom_Core.Classes.BlowFish.XorBlock(ref crc_data, xorkey);
}
byte[] compressedcrcData;
try
{
Els_kom_Core.Classes.ZlibHelper.CompressData(crc_data, out compressedcrcData);
}
catch (Els_kom_Core.Classes.Zlib.ZStreamException)
{
throw new Els_kom_Core.Classes.PackingError("failed with zlib compression of crc.xml.");
}
int compressedcrc = compressedcrcData.Length;
offset += compressedcrc;
entries.Add(new Els_kom_Core.Classes.EntryVer(compressedcrcData, "crc.xml", crc_size, compressedcrc, offset));
writer.Write(KOMHeaderString.ToCharArray(), 0, KOMHeaderString.Length);
writer.BaseStream.Position = 52;
writer.Write(entry_count);
writer.Write(1);
foreach (var entry in entries)
{
writer.Write(entry.name.ToCharArray(), 0, entry.name.Length);
int seek_amount = 60 - entry.name.Length;
writer.BaseStream.Position += seek_amount;
writer.Write(entry.uncompressed_size);
writer.Write(entry.compressed_size);
writer.Write(entry.relative_offset);
}
foreach (var entry in entries)
{
writer.Write(entry.entrydata, 0, entry.compressed_size);
}
writer.Dispose();
}
