public void TestLoadVtf()
{
using (var f = File.OpenRead(@"D:\sandbox\16F.vtf"))
{
var vtf = new VtfFile(f);
}
}
static public void ConvertVTFandAlphaToPNG(string texturepath)
{
// Load our VTF image into memory
var vtffilestream = File.Open(texturepath, FileMode.Open);
var vtf = new VtfFile(vtffilestream);
// Iterate through all mipmaps and find the biggest one (the only one we care about)
int largestdatasize = 0;
VtfImage biggestVTFimage = null;
foreach (var mipmap in vtf.Images)
{
if (mipmap.Data.Length > largestdatasize)
{
largestdatasize = mipmap.Data.Length;
biggestVTFimage = mipmap;
}
}
// Grab the raw 32-bit BGRA8888 data from the image
var image = biggestVTFimage.GetBgra32Data();
// Put the raw data into lists, one being a list of the basetexture pixels, and one being the alpha image channel
var basepixellist = new List <Bgra32>();
var alphapixellist = new List <Gray8>();
for (int i = 0; i < image.Length; i += 4)
{
var thisbasepixel = new Bgra32(image[i + 2], image[i + 1], image[i]);
var thisalphapixel = new Gray8(image[i + 3]);
basepixellist.Add(thisbasepixel);
alphapixellist.Add(thisalphapixel);
}
// Build the images out of our list
var combinedbaseimage = Image.LoadPixelData <Bgra32>(basepixellist.ToArray(), biggestVTFimage.Width, biggestVTFimage.Height);
var combinedalphaimage = Image.LoadPixelData <Gray8>(alphapixellist.ToArray(), biggestVTFimage.Width, biggestVTFimage.Height);
// TODO: Fix the save paths based on file name
using (var bifs = new FileStream("basetexture.png", FileMode.Create))
{
combinedbaseimage.SaveAsPng(bifs);
}
using (var aifs = new FileStream("basetexture_alpha.png", FileMode.Create))
{
combinedalphaimage.SaveAsPng(aifs);
}
}
public VtfFile LoadVtf(string filename)
{
VtfFile loaded;
if (_sLoadedVtfs.TryGetValue(filename, out loaded))
{
return(loaded);
}
var fullName = "materials/" + filename;
if (!ContainsFile(fullName))
{
fullName = filename;
}
using (var stream = OpenFile(fullName))
{
loaded = VtfFile.FromStream(stream);
_sLoadedVtfs.Add(filename, loaded);
}
return(loaded);
}
public void TestLoadVtf()
{
using FileStream f = File.OpenRead(@"D:\Portal2Decomp\materials\cable\cable.vtf");
VtfFile vtf = new VtfFile(f);
}
