public static VRamDescFile Read(Stream stream, Page.File file)
{
var result = new VRamDescFile();
result.file = file;
stream.Seek(file.GlobalDataOffset, SeekOrigin.Begin);
stream.ReadValue(out result.header);
result.fileName = stream.ReadString();
return(result);
}
static void ExportTextures()
{
var path = @".pak";
var stm = File.OpenRead(path);
var p = new PakFileInput(stm, path);
for (int i = 0; i < p.pages.Length; ++i)
{
var page = p.pages[i];
for (int j = 0; j < page.files.Length; ++j)
{
if (page.files[j].className == "VRAM_DESC")
{
var f = VRamDescFile.Read(stm, page.files[j]);
ExportDdsTexture(stm, f);
Console.WriteLine("Ololo");
}
}
}
}
static void ExportDdsTexture(Stream stm, VRamDescFile texture)
{
if (texture.header.width == texture.header.height)
{
return;
}
Dds.DDS_HEADER header = new Dds.DDS_HEADER();
header.flags = Dds.DdsHeaderFlags.DDSD_CAPS | Dds.DdsHeaderFlags.DDSD_HEIGHT |
Dds.DdsHeaderFlags.DDSD_WIDTH | Dds.DdsHeaderFlags.DDSD_PIXELFORMAT |
Dds.DdsHeaderFlags.DDSD_MIPMAPCOUNT | Dds.DdsHeaderFlags.DDSD_LINEARSIZE;
var realFilePath = Path.GetDirectoryName(texture.fileName);
var fileName = Path.GetFileName(realFilePath);
string outFileName = Path.Join("D:\\TextureExport",
fileName +
$".{texture.header.width}_{texture.header.height}_unswizzled_page{texture.file.page.id}_file{texture.file.id}_fmt{texture.header.maybeFormat}" +
".dds");
Console.WriteLine("Exporting texture " + outFileName);
var rawData = texture.ReadRawData(stm);
var unswizzledData = UnswizzleTexture(rawData, texture.header.width, texture.header.height, texture.header.mipCount);
if (texture.header.maybeFormat == 80)
{
header.ddspf = Dds.DDS_PIXELFORMAT.BC4_UNORM;
}
else if (texture.header.maybeFormat == 71 || (texture.header.maybeFormat == 72))
{
header.ddspf = Dds.DDS_PIXELFORMAT.DXT1;
}
else if (texture.header.maybeFormat == 35)
{
header.ddspf = Dds.DDS_PIXELFORMAT.DXT1;
unswizzledData = rawData;
}
else
{
header.ddspf = Dds.DDS_PIXELFORMAT.DXT1;
Console.WriteLine($"unknown format {texture.header.maybeFormat} for texture {texture.fileName}");
//return;
}
header.width = texture.header.width;
header.height = texture.header.height;
header.pitchOrLinearSize = (header.width * header.height) / 2;
header.depth = 1;
header.mipMapCount = texture.header.mipCount;
header.reserved1 = new uint[11];
header.caps = 0x1000; //DDSCAPS_TEXTURE
header.size = (uint)Marshal.SizeOf <Dds.DDS_HEADER>();
var ofs = File.OpenWrite(outFileName);
ofs.WriteStruct(Dds.DdsMagic.Make());
ofs.WriteStruct(header);
ofs.Write(unswizzledData);
ofs.Close();
Console.WriteLine("Exporting texture done");
}