public static void Pack(string outPath, List <sFile> files)
{
// Update structure
sPCK2 pack = new sPCK2();
pack.header = new sPCK2.Header();
pack.header.id = new[] { 'P', 'C', 'K', '2' };
pack.header.header_size = 0x10;
pack.header.unknown = 0;
pack.header.file_size = pack.header.header_size;
pack.files = new List <sPCK2.File>(files.Count);
for (int i = 0; i < files.Count; i++)
{
sPCK2.File file = new sPCK2.File();
file.unknown = 0;
file.name = files[i].name;
file.data_size = files[i].size;
file.header_size = (uint)(0x10 + files[i].name.Length);
file.header_size += 4 - file.header_size % 4;
file.size = file.data_size + file.header_size;
file.size += 4 - file.size % 4;
pack.header.file_size += file.size;
BinaryReader br = new BinaryReader(File.OpenRead(files[i].path));
br.BaseStream.Position = files[i].offset;
file.data = br.ReadBytes((int)files[i].size);
br.Close();
pack.files.Add(file);
}
// Write data
BinaryWriter bw = new BinaryWriter(File.OpenWrite(outPath), Encoding.ASCII);
bw.BaseStream.SetLength(0);
bw.Write(pack.header.header_size);
bw.Write(pack.header.file_size);
bw.Write(pack.header.id);
bw.Write(pack.header.unknown);
bw.BaseStream.Position = pack.header.header_size;
for (int i = 0; i < files.Count; i++)
{
long pos = bw.BaseStream.Position;
bw.Write(pack.files[i].header_size);
bw.Write(pack.files[i].size);
bw.Write(pack.files[i].unknown);
bw.Write(pack.files[i].data_size);
bw.Write(Encoding.ASCII.GetBytes(pack.files[i].name));
bw.BaseStream.Position = pos + pack.files[i].header_size;
bw.Write(pack.files[i].data);
bw.BaseStream.Position = pos + pack.files[i].size;
}
bw.BaseStream.Position = bw.BaseStream.Length;
bw.Write(new byte[pack.header.file_size - bw.BaseStream.Length]);
bw.Flush();
bw.Close();
}
public static sFolder Read(string file, int id, IPluginHost pluginHost)
{
pluginHost.Decompress(file);
string dec_file = pluginHost.Get_Files().files[0].path;
BinaryReader br = new BinaryReader(File.OpenRead(dec_file));
sFolder decompressed = new sFolder();
sPCK2 pck2 = new sPCK2();
pck2.file_id = id;
// Read the header
pck2.header.header_size = br.ReadUInt32();
pck2.header.file_size = br.ReadUInt32();
pck2.header.id = br.ReadChars(4);
pck2.header.unknown = br.ReadUInt32();
// Read all files
decompressed.files = new List <sFile>();
br.BaseStream.Position = pck2.header.header_size;
while (br.BaseStream.Position != br.BaseStream.Length)
{
long pos = br.BaseStream.Position;
sPCK2.File newFile = new sPCK2.File();
newFile.header_size = br.ReadUInt32();
newFile.size = br.ReadUInt32();
newFile.unknown = br.ReadUInt32();
newFile.data_size = br.ReadUInt32();
newFile.name = "";
char c = br.ReadChar();
while (c != '\x0')
{
newFile.name += c;
c = br.ReadChar();
}
br.BaseStream.Position = pos + newFile.header_size;
newFile.data = br.ReadBytes((int)newFile.data_size);
br.BaseStream.Position = pos + newFile.size;
// Save the new file
sFile savedFile = new sFile();
savedFile.name = newFile.name;
savedFile.offset = 0x00;
savedFile.size = newFile.data_size;
savedFile.path = Path.GetTempPath() + Path.DirectorySeparatorChar + newFile.name;
File.WriteAllBytes(savedFile.path, newFile.data);
decompressed.files.Add(savedFile);
}
br.Close();
return(decompressed);
}
public static sFolder Read(string file, int id, IPluginHost pluginHost)
{
pluginHost.Decompress(file);
string dec_file = pluginHost.Get_Files().files[0].path;
BinaryReader br = new BinaryReader(File.OpenRead(dec_file));
sFolder decompressed = new sFolder();
sPCK2 pck2 = new sPCK2();
pck2.file_id = id;
// Read the header
pck2.header.header_size = br.ReadUInt32();
pck2.header.file_size = br.ReadUInt32();
pck2.header.id = br.ReadChars(4);
pck2.header.unknown = br.ReadUInt32();
// Read all files
decompressed.files = new List<sFile>();
br.BaseStream.Position = pck2.header.header_size;
while (br.BaseStream.Position != br.BaseStream.Length)
{
long pos = br.BaseStream.Position;
sPCK2.File newFile = new sPCK2.File();
newFile.header_size = br.ReadUInt32();
newFile.size = br.ReadUInt32();
newFile.unknown = br.ReadUInt32();
newFile.data_size = br.ReadUInt32();
newFile.name = "";
char c = br.ReadChar();
while (c != '\x0')
{
newFile.name += c;
c = br.ReadChar();
}
br.BaseStream.Position = pos + newFile.header_size;
newFile.data = br.ReadBytes((int)newFile.data_size);
br.BaseStream.Position = pos + newFile.size;
// Save the new file
sFile savedFile = new sFile();
savedFile.name = newFile.name;
savedFile.offset = 0x00;
savedFile.size = newFile.data_size;
savedFile.path = Path.GetTempPath() + Path.DirectorySeparatorChar + newFile.name;
File.WriteAllBytes(savedFile.path, newFile.data);
decompressed.files.Add(savedFile);
}
br.Close();
return decompressed;
}
