private static void Create(string Folder)
{
string[] Files = Directory.GetFiles(Folder, "*.png");
FileStream Output = new FileStream(Folder + ".ceg", FileMode.Create);
BinaryWriter Writer = new BinaryWriter(Output);
Writer.Write((uint)0x564b4547); //GEKV Signature
Writer.Write((uint)1); //Version
Writer.Write((uint)(Files.Length * 0x30)); //Header length (texture entries sect only)
Writer.Write((uint)0); //File length (lets add this one later)
Writer.Write((uint)Files.Length);
Writer.Write((uint)0);
Writer.Write((uint)Files.Length);
Writer.Write((uint)0x80);
int DataOffset = 0x20 + Files.Length * 0x30;
for (int i = 0; i < Files.Length; i++)
{
string Name = Path.GetFileNameWithoutExtension(Path.GetFileName(Files[i]));
if (Name.Length > 23)
{
Name = Name.Substring(0, 23); //23 is the max file length (it needs a Null Terminator)
}
Bitmap Img = new Bitmap(Files[i]);
Bitmap NewImage = new Bitmap(POW2RoundUp(Img.Width), POW2RoundUp(Img.Height));
Graphics g = Graphics.FromImage(NewImage);
g.DrawImage(Img, new Rectangle(0, 0, Img.Width, Img.Height), new Rectangle(0, 0, Img.Width, Img.Height), GraphicsUnit.Pixel);
g.Dispose();
byte[] Data = DXTCodec.DXT5_Encode(NewImage);
Output.Seek(0x20 + i * 0x30, SeekOrigin.Begin);
Writer.Write((uint)DataOffset);
Writer.Write((ushort)Img.Width);
Writer.Write((ushort)Img.Height);
Writer.Write((uint)0x104020f);
Writer.Write((uint)0x960100);
Writer.Write(Encoding.ASCII.GetBytes(Name));
Output.Seek(24 - Name.Length, SeekOrigin.Current);
Writer.Write((uint)Data.Length);
Output.Seek(DataOffset, SeekOrigin.Begin);
Writer.Write(Data);
DataOffset += Data.Length;
}
Output.Seek(0xc, SeekOrigin.Begin);
Writer.Write((uint)Output.Length);
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Created file \"" + Folder + ".ceg\"!");
Console.ResetColor();
}
private static void Dump(string FileName)
{
FileStream Input = new FileStream(FileName, FileMode.Open);
BinaryReader Reader = new BinaryReader(Input);
string OutDir = Path.GetFileNameWithoutExtension(FileName);
Directory.CreateDirectory(OutDir);
uint Signature = Reader.ReadUInt32(); //GEKV
uint Version = Reader.ReadUInt32();
uint HeaderLength = Reader.ReadUInt32();
uint FileLength = Reader.ReadUInt32();
uint FileCount = Reader.ReadUInt32();
for (int i = 0; i < FileCount; i++)
{
Input.Seek(0x20 + i * 0x30, SeekOrigin.Begin);
uint Offset = Reader.ReadUInt32();
int Width = Reader.ReadUInt16();
int Height = Reader.ReadUInt16();
uint Descriptor = Reader.ReadUInt32();
Reader.ReadUInt32();
byte Format = (byte)(Descriptor & 0xff);
byte Mipmaps = (byte)((Descriptor >> 24) & 0xff);
string Name = ReadString(Reader, (uint)Input.Position);
Input.Seek(0x18, SeekOrigin.Current);
uint Length = Reader.ReadUInt32();
Input.Seek(Offset, SeekOrigin.Begin);
byte[] Data = new byte[Length];
Reader.Read(Data, 0, Data.Length);
Bitmap FullImage = null;
switch (Format)
{
case 7: //RGBA8
Input.Seek(Offset, SeekOrigin.Begin);
Data = new byte[Width * Height * 4];
Reader.Read(Data, 0, Data.Length);
FullImage = new Bitmap(Width, Height);
uint DataOffset = 0;
for (int Y = 0; Y < Height; Y++)
{
for (int X = 0; X < Width; X++)
{
int B = Data[DataOffset++];
int G = Data[DataOffset++];
int R = Data[DataOffset++];
int A = Data[DataOffset++];
FullImage.SetPixel(X, Y, Color.FromArgb(A, R, G, B));
}
}
break;
case 0xf: //DXT5
FullImage = DXTCodec.DXT5_Decode(Data, POW2RoundUp(Width), POW2RoundUp(Height)); break;
default:
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("Warning: Image \"" + Name + "\" on file \"" + Path.GetFileName(FileName) + "\" have an unknow format!");
Console.ResetColor();
continue;
}
Bitmap Img = new Bitmap(Width, Height);
Graphics g = Graphics.FromImage(Img);
g.DrawImage(FullImage, new Rectangle(0, 0, Width, Height), new Rectangle(0, 0, Width, Height), GraphicsUnit.Pixel);
g.Dispose();
Img.Save(Path.Combine(OutDir, Name + ".png"));
}
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Dumped file \"" + FileName + "\"!");
Console.ResetColor();
}
