public void DecompressMipmap(TexMipmap mipmap)
{
if (mipmap.IsLZ4Compressed)
{
mipmap.Bytes = Lz4Decompress(mipmap.Bytes, mipmap.PixelCount);
mipmap.IsLZ4Compressed = false;
}
if (mipmap.Format.IsImage())
{
return;
}
switch (mipmap.Format)
{
case MipmapFormat.CompressedDXT5:
mipmap.Bytes = DXT.DecompressImage(mipmap.Width, mipmap.Height, mipmap.Bytes, DXT.DXTFlags.DXT5);
mipmap.Format = MipmapFormat.RGBA8888;
break;
case MipmapFormat.CompressedDXT3:
mipmap.Bytes = DXT.DecompressImage(mipmap.Width, mipmap.Height, mipmap.Bytes, DXT.DXTFlags.DXT3);
mipmap.Format = MipmapFormat.RGBA8888;
break;
case MipmapFormat.CompressedDXT1:
mipmap.Bytes = DXT.DecompressImage(mipmap.Width, mipmap.Height, mipmap.Bytes, DXT.DXTFlags.DXT1);
mipmap.Format = MipmapFormat.RGBA8888;
break;
}
}
public TexMipmap ReadFromStream(Stream stream, Tex tex)
{
using (var reader = new BinaryReader(stream, Encoding.UTF8, true))
{
var version = tex.MipmapsContainer.MipmapContainerVersion;
TexMipmap mipmap;
switch (version)
{
case TexMipmapContainerVersion.Version1:
mipmap = new TexMipmap()
{
Width = reader.ReadInt32(),
Height = reader.ReadInt32(),
BytesCount = reader.ReadInt32(),
};
break;
case TexMipmapContainerVersion.Version2:
case TexMipmapContainerVersion.Version3:
mipmap = new TexMipmap()
{
Width = reader.ReadInt32(),
Height = reader.ReadInt32(),
IsLZ4Compressed = reader.ReadInt32() == 1,
PixelCount = reader.ReadInt32(),
BytesCount = reader.ReadInt32()
};
break;
default:
throw new NotImplementedException($"Tex mipmap container version: {version} is not supported!");
}
mipmap.Format = TexMipmapFormatGetter.GetFormatForTex(tex);
ReadBytes(reader, mipmap);
return(mipmap);
}
}
protected void ReadBytes(BinaryReader reader, TexMipmap mipmap)
{
if (!ReadMipmapBytes)
{
reader.BaseStream.Seek(mipmap.BytesCount, SeekOrigin.Current);
return;
}
mipmap.Bytes = new byte[mipmap.BytesCount];
var bytesRead = reader.Read(mipmap.Bytes, 0, mipmap.BytesCount);
if (bytesRead != mipmap.BytesCount)
{
throw new Exception("Failed to read bytes from stream while reading mipmap");
}
if (DecompressMipmapBytes)
{
_texMipmapDecompressor.DecompressMipmap(mipmap);
}
}
public ITex LoadFileToTex(FileInfo filePath)
{
switch (filePath.Extension)
{
case ".tex-full-json":
{
var settings = new JsonSerializerSettings {
TypeNameHandling = TypeNameHandling.Auto
};
ITex tex = JsonConvert.DeserializeObject <Tex>(File.ReadAllText(filePath.FullName), settings);
return(tex);
}
default:
{
Image image = Image.FromFile(filePath.FullName);
byte[] imageBytes;
using (var ms = new MemoryStream())
{
image.Save(ms, image.RawFormat);
imageBytes = ms.ToArray();
}
// var fullJsonInfo = Newtonsoft.Json.JsonConvert.SerializeObject(image);
// File.WriteAllText($"{filePath}.test-json", fullJsonInfo);
// var bytes = image.SavePixelData();
var tex = new Tex {
};
tex.Magic1 = "TEXV0005";
tex.Magic2 = "TEXI0001";
tex.Header = new TexHeader
{
Format = (TexFormat)0,
Flags = (TexFlags)2,
TextureWidth = image.Width,
TextureHeight = image.Height,
ImageWidth = image.Width,
ImageHeight = image.Height,
UnkInt0 = 4278190080
};
tex.ImagesContainer = new TexImageContainer {
};
tex.ImagesContainer.Magic = "TEXB0003";
switch (tex.ImagesContainer.Magic)
{
case "TEXB0001":
case "TEXB0002":
break;
case "TEXB0003":
tex.ImagesContainer.ImageFormat = FreeImageFormat.FIF_PNG;
break;
default:
throw new UnknownMagicException(nameof(TexImageContainerReader), tex.ImagesContainer.Magic);
}
tex.ImagesContainer.ImageContainerVersion = (TexImageContainerVersion)Convert.ToInt32(tex.ImagesContainer.Magic.Substring(4));
// var mipmapCount = 1;
// if (mipmapCount > Constants.MaximumMipmapCount)
// throw new UnsafeTexException(
// $"Mipmap count exceeds limit: {mipmapCount}/{Constants.MaximumMipmapCount}");
// var readFunction = PickMipmapReader(container.ImageContainerVersion);
var format = TexMipmapFormatGetter.GetFormatForTex(tex.ImagesContainer.ImageFormat, tex.Header.Format);
var teximage = new TexImage();
// var mipmap = readFunction(reader);
// mipmap.Format = format;
// if (DecompressMipmapBytes)
// _texMipmapDecompressor.DecompressMipmap(mipmap);
var mipmap = new TexMipmap {
};
mipmap.Format = MipmapFormat.ImagePNG;
mipmap.Width = image.Width;
mipmap.Height = image.Height;
mipmap.Bytes = imageBytes;
teximage.Mipmaps.Add(mipmap);
tex.ImagesContainer.Images.Add(teximage);
return(tex);
}
}
}
