public static bool SplitPkf(Byte[] File, string Directory)
{
try {
System.IO.Directory.CreateDirectory(Directory);
uint location = 0;
while (true)
{
byte Ident = File[location];
uint CompressedSize = BitConverter.ToUInt32(File, (int)location + 1);
uint DecompressedSize = BitConverter.ToUInt32(File, (int)location + 5);
byte[] SplitFile = new byte[CompressedSize + 9];
ArrayUtils.CopyByteArrayPart(File, (int)location, SplitFile, 0, (int)CompressedSize + 9);
System.IO.File.WriteAllBytes(Directory + "/" + location.ToString("X8") + ".c", SplitFile);
location = NumberUtils.Align(location + CompressedSize + 9, 0x800u);
if (location >= File.Length)
{
break;
}
}
} catch (Exception) {
return(false);
}
return(true);
}
public override Stream GetSinglePlane(Stream inputStream, uint depthlevel)
{
if (Mipmaps > 1)
{
throw new Exception("Don't know how to deal with volume textures with mipmaps.");
}
if (!(Format == TextureFormat.DXT1a || Format == TextureFormat.DXT1b || Format == TextureFormat.DXT5a || Format == TextureFormat.DXT5b))
{
throw new Exception("Volume textures only implemented for DXT formats.");
}
// Format reference: https://www.khronos.org/registry/OpenGL/extensions/NV/NV_texture_compression_vtc.txt
uint bytecount = GetByteCountSingleDepthPlane(0);
uint group = depthlevel / 4u;
uint texInGroupBefore = depthlevel % 4u;
uint texInGroupAfter = 3u - texInGroupBefore;
// special handling for last group if depth not divisible by 4
uint nonDivisiblePlanesAtEnd = Depth % 4;
uint groupCount = NumberUtils.Align(Depth, 4u) / 4;
if (nonDivisiblePlanesAtEnd != 0 && group == (groupCount - 1u))
{
texInGroupAfter = (nonDivisiblePlanesAtEnd - texInGroupBefore) - 1u;
}
uint bytesPerTexLine;
switch (Format)
{
case TextureFormat.DXT1a:
case TextureFormat.DXT1b:
bytesPerTexLine = 8;
break;
case TextureFormat.DXT5a:
case TextureFormat.DXT5b:
bytesPerTexLine = 16;
break;
default:
throw new Exception("Unexpected format during volume texture plane fetching: " + Format + ".");
}
// skip to correct group
inputStream.DiscardBytes(group * bytecount * 4u);
// copy texture
MemoryStream s = new MemoryStream((int)bytecount);
for (uint i = 0; i < bytecount; i += bytesPerTexLine)
{
inputStream.DiscardBytes(texInGroupBefore * bytesPerTexLine);
StreamUtils.CopyStream(inputStream, s, bytesPerTexLine);
inputStream.DiscardBytes(texInGroupAfter * bytesPerTexLine);
}
return(s);
}
private bool LoadFile(byte[] File)
{
this.File = File;
FilePointers = new List <uint>();
int FileCount = BitConverter.ToUInt16(File, 0);
for (int i = 0; i < FileCount + 1; ++i)
{
uint ptr = NumberUtils.ToUInt24(File, i * 3 + 2);
FilePointers.Add(ptr);
}
return(true);
}
public Stream GetSinglePlane_MipBeforeDepth(Stream inputStream, uint depthlevel)
{
Stream s = new MemoryStream();
uint planesBeforeCurrent = depthlevel;
uint planesAfterCurrent = Depth - depthlevel - 1;
uint sum = 0u;
for (int i = 0; i < Mipmaps; ++i)
{
uint bytecount = GetByteCountSingleDepthPlane(i);
sum += bytecount;
}
if (Format == TextureFormat.DXT1a || Format == TextureFormat.DXT1b || Format == TextureFormat.DXT5a || Format == TextureFormat.DXT5b)
{
// this feels stupid??
sum = NumberUtils.Align(sum, 0x80u);
}
inputStream.DiscardBytes(planesBeforeCurrent * sum);
StreamUtils.CopyStream(inputStream, s, sum);
inputStream.DiscardBytes(planesAfterCurrent * sum);
return(s);
}
public void CreateFromDirectory(string Dir, string Outfile)
{
string[] Filepaths = System.IO.Directory.GetFiles(Dir);
ushort Filecount = (ushort)Filepaths.Length;
uint RequiredBytesForHeader = NumberUtils.Align(Filecount * 4u + 4u, 0x50u); // pretty sure this is not right but should work
var Filestream = new System.IO.FileStream(Outfile, System.IO.FileMode.Create);
// header
Filestream.WriteByte((byte)'S'); Filestream.WriteByte((byte)'C');
Filestream.WriteByte((byte)'M'); Filestream.WriteByte((byte)'P');
uint TotalFilesize = RequiredBytesForHeader;
foreach (string Path in Filepaths)
{
Filestream.Write(BitConverter.GetBytes(TotalFilesize), 0, 4);
TotalFilesize += (uint)(new System.IO.FileInfo(Path).Length);
TotalFilesize = TotalFilesize.Align(0x10u);
}
while (Filestream.Length < RequiredBytesForHeader)
{
Filestream.WriteByte(0x00);
}
// files
foreach (string Path in Filepaths)
{
var File = new System.IO.FileStream(Path, System.IO.FileMode.Open);
StreamUtils.CopyStream(File, Filestream, (int)File.Length);
File.Close();
while (Filestream.Length % 0x10 != 0)
{
Filestream.WriteByte(0x00);
}
}
Filestream.Close();
}
public void CreateFromDirectory(string Dir, string Outfile)
{
string[] Filepaths = System.IO.Directory.GetFiles(Dir);
ushort Filecount = (ushort)Filepaths.Length;
uint RequiredBytesForHeader = NumberUtils.Align(Filecount * 3u + 5u, 0x10u); // 3 bytes per filesize + 3 bytes for an extra pointer to first file + 2 bytes for filecount
var Filestream = new System.IO.FileStream(Outfile, System.IO.FileMode.Create);
// header
Filestream.Write(BitConverter.GetBytes(Filecount), 0, 2);
Filestream.Write(NumberUtils.GetBytesForUInt24(RequiredBytesForHeader), 0, 3);
uint TotalFilesize = RequiredBytesForHeader;
foreach (string Path in Filepaths)
{
TotalFilesize += (uint)(new System.IO.FileInfo(Path).Length);
Filestream.Write(NumberUtils.GetBytesForUInt24(TotalFilesize), 0, 3);
TotalFilesize = TotalFilesize.Align(0x10u);
}
while (Filestream.Length < RequiredBytesForHeader)
{
Filestream.WriteByte(0x00);
}
// files
foreach (string Path in Filepaths)
{
var File = new System.IO.FileStream(Path, System.IO.FileMode.Open);
StreamUtils.CopyStream(File, Filestream, (int)File.Length);
File.Close();
while (Filestream.Length % 0x10 != 0)
{
Filestream.WriteByte(0x00);
}
}
Filestream.Close();
}
public void CreateFromDirectory(string Dir, string Outfile, string[] FileOrder)
{
List <string> Filepaths = new List <string>();
foreach (string f in FileOrder)
{
Filepaths.Add(System.IO.Path.Combine(Dir, f));
}
var Filestream = new System.IO.FileStream(Outfile, System.IO.FileMode.Create);
uint RequiredBytesForHeader;
uint Filecount = (uint)Filepaths.Count;
uint TotalFilesize;
Xorbyte = 0x55;
//Xorbyte = 0x00;
// 0x20 Header + 0x28 per file
RequiredBytesForHeader = NumberUtils.Align(Filecount * 0x28u + 0x20u, 0x20u);
TotalFilesize = RequiredBytesForHeader;
foreach (string Path in Filepaths)
{
TotalFilesize += (uint)(new System.IO.FileInfo(Path).Length);
TotalFilesize = TotalFilesize.Align(0x20u);
}
// header
Filestream.WriteByte((byte)'R'); Filestream.WriteByte((byte)'T');
Filestream.WriteByte((byte)'D'); Filestream.WriteByte((byte)'P');
Filestream.Write(BitConverter.GetBytes(RequiredBytesForHeader), 0, 4);
Filestream.Write(BitConverter.GetBytes(Filecount), 0, 4);
Filestream.Write(BitConverter.GetBytes(TotalFilesize), 0, 4);
Filestream.WriteByte(Xorbyte);
Filestream.WriteByte(0x28); Filestream.WriteByte(0x25);
while (Filestream.Length < 0x20)
{
Filestream.WriteByte(0x00);
}
// header file info
uint ptr = 0;
foreach (string Path in Filepaths)
{
var fi = new System.IO.FileInfo(Path);
uint size = (uint)(fi.Length);
byte[] name = Encoding.ASCII.GetBytes(fi.Name);
Filestream.Write(name, 0, Math.Min(0x20, name.Length));
for (int i = name.Length; i < 0x20; ++i)
{
Filestream.WriteByte(0x00);
}
Filestream.Write(BitConverter.GetBytes(size), 0, 4);
Filestream.Write(BitConverter.GetBytes(ptr), 0, 4);
ptr = NumberUtils.Align(ptr + size, 0x20u);
}
while (Filestream.Length < RequiredBytesForHeader)
{
Filestream.WriteByte(0x00);
}
// files
foreach (string Path in Filepaths)
{
var File = new System.IO.FileStream(Path, System.IO.FileMode.Open);
while (true)
{
int b = File.ReadByte();
if (b == -1)
{
break;
}
Filestream.WriteByte((byte)(b ^ Xorbyte));
}
File.Close();
while (Filestream.Length % 0x20 != 0)
{
Filestream.WriteByte(0x00);
}
}
Filestream.Close();
}
