public PacFileHandling(BinaryReader b)
{
pacFile = new Pac();
pacStream = b;
pacFile.header = ReadHeader();
PacDirParse dirParse = new PacDirParse(pacStream, pacFile);
PACHParser pachParse = new PACHParser();
TextureParser textureParse = new TextureParser();
if (pacFile.header.id == "PACH")
{
//You opened a free floating PACH file~!
pacStream.BaseStream.Position = 0;
pacFile.container = pachParse.ReadPACHContainer(pacStream.ReadBytes((int)pacStream.BaseStream.Length));
}
else if (pacFile.header.id == "EPK8" || pacFile.header.id == "EPAC")
{
pacFile.dir = dirParse.ReadDir().ToArray();
}
else
{
//probably a texture archive...
//pacFile.header.id = "Texture Archive";
pacStream.BaseStream.Position = 0;
pacFile.textures = textureParse.ReadTextures(pacStream);
}
}
public PacFileHandling(BinaryReader b)
{
pacFile = new Pac();
pacStream = b;
pacFile.header = ReadHeader();
PacDirParse dirParse = new PacDirParse(pacStream, pacFile);
PACHParser pachParse = new PACHParser();
TextureParser textureParse = new TextureParser();
if (pacFile.header.id == "PACH")
{
//You opened a free floating PACH file~!
pacStream.BaseStream.Position = 0;
pacFile.container = pachParse.ReadPACHContainer(pacStream.ReadBytes((int)pacStream.BaseStream.Length));
}
else if (pacFile.header.id == "EPK8" || pacFile.header.id == "EPAC")
{
pacFile.dir = dirParse.ReadDir().ToArray();
}
else
{
//probably a texture archive...
//pacFile.header.id = "Texture Archive";
pacStream.BaseStream.Position = 0;
pacFile.textures = textureParse.ReadTextures(pacStream);
}
}
public PACH ReadPACHContainer(byte[] file)
{
using (MemoryStream pachStream = new MemoryStream(file))
{
using (BinaryReader pachReader = new BinaryReader(pachStream))
{
var Container = new PACH();
Container.id = new string(pachReader.ReadChars(4));
if (Container.id != "PACH")
{
return(Container); //Thanks a lot createmode.pac....
}
Container.nfiles = (int)pachReader.ReadUInt32();
//Read the file meta data
Container.PACHFiles = new PACHFile[Container.nfiles];
for (var i = 0; i < Container.nfiles; i++)
{
Container.PACHFiles[i] = ReadPACHheader(pachReader);
}
//Start of data. Meta data offsets start here
var pos = pachReader.BaseStream.Position; //offsets are based on this.
for (var j = 0; j < Container.nfiles; j++)
{
pachReader.BaseStream.Position = Container.PACHFiles[j].offset + pos;
Container.PACHFiles[j].stream = pachReader.ReadBytes(Container.PACHFiles[j].size);
byte[] headerByteArray = new byte[4]; Array.Copy(Container.PACHFiles[j].stream, 0, headerByteArray, 0, 4);
var header = System.Text.Encoding.UTF8.GetString(headerByteArray);
if (header == "PACH")
{
Container.PACHFiles[j].SubContainer = ReadPACHContainer(Container.PACHFiles[j].stream);
}
//Let's go ahead and decompress here.
if (header == "ZLIB" || header == "BPE ")
{
Container.PACHFiles[j].stream = decompressor.Decompress(Container.PACHFiles[j].stream, header);
Container.PACHFiles[j].size = Container.PACHFiles[j].stream.Length;
//Recheck it.
headerByteArray = new byte[4];
Array.Copy(Container.PACHFiles[j].stream, 0, headerByteArray, 0, 4);
header = System.Text.Encoding.UTF8.GetString(headerByteArray);
if (header == "PACH")
{
Container.PACHFiles[j].SubContainer = ReadPACHContainer(Container.PACHFiles[j].stream);
}
else
{
//Check for textures, the first dds extension starts at 32.
if (Container.PACHFiles[j].stream.Length >= 32)
{
headerByteArray = new byte[4];
Array.Copy(Container.PACHFiles[j].stream, 32, headerByteArray, 0, 4);
header = System.Text.Encoding.UTF8.GetString(headerByteArray);
if (header == "dds\0")
{
using (MemoryStream texStream = new MemoryStream(Container.PACHFiles[j].stream))
{
using (BinaryReader texReader = new BinaryReader(texStream))
{
Container.PACHFiles[j].TexContainer = textureParse.ReadTextures(texReader);
}
}
}
}
}
}
}
return(Container);
}
}
}