protected override void OnOpen(EndianBinaryReader reader)
{
MagicNumber = Encoding.ASCII.GetString(reader.ReadBytes(4), 0, 4);
Unknown0x04 = reader.ReadUInt32();
Constant3553 = reader.ReadUInt32();
Width = reader.ReadUInt32();
Height = reader.ReadUInt32();
DataType = (PicaDataType)reader.ReadUInt32();
PixelFormat = (PicaPixelFormat)reader.ReadUInt32();
NumImageBytes = reader.ReadUInt32();
/* Disclaimer: Hacky as hell! I almost want to hope that Atlus someday leaves their internal STEX creator tool inside one of these games, maybe that'll help with figuring this out <.< */
/* ...now at offset 0x20, assume here's the pointer to image data */
ImageOffset = reader.ReadUInt32();
/* ...now assume said pointer is 0x80 */
if (ImageOffset == 0x80)
{
/* Read "well-formed" STEX (but really, who knows how the header's supposed to be) */
Unknown0x24 = reader.ReadUInt32();
Name = Encoding.ASCII.GetString(reader.ReadBytes(0x58), 0, 0x58).TrimEnd('\0');
/* ...but as image datasize is also unreliable, do some additional sanity checking on that, too! */
reader.BaseStream.Seek(ImageOffset, SeekOrigin.Begin);
PixelData = reader.ReadBytes((int)(NumImageBytes > reader.BaseStream.Length ? reader.BaseStream.Length - ImageOffset : NumImageBytes));
}
else /* ...otherwise... */
{
/* Seek back, then just assume image data starts right here at 0x20, and that the image is as many bytes long as are left in the file */
reader.BaseStream.Seek(-4, SeekOrigin.Current);
ImageOffset = (uint)reader.BaseStream.Position;
Unknown0x24 = uint.MaxValue;
Name = string.Empty;
PixelData = reader.ReadBytes((int)(reader.BaseStream.Length - reader.BaseStream.Position));
}
/* Initialize ImageBinary */
imageBinary = new ImageBinary();
imageBinary.Width = (int)Width;
imageBinary.Height = (int)Height;
imageBinary.InputPixelFormat = N3DS.GetPixelDataFormat(DataType, PixelFormat);
imageBinary.InputEndianness = Endian.LittleEndian;
imageBinary.AddInputPixels(PixelData);
}
protected override Bitmap OnGetBitmap(int imageIndex, int paletteIndex)
{
CTXBTexture texture = Textures[imageIndex];
PicaPixelFormat pixelFormat = texture.PixelFormat;
PicaDataType dataType = ((pixelFormat == PicaPixelFormat.ETC1RGB8NativeDMP || pixelFormat == PicaPixelFormat.ETC1AlphaRGB8A4NativeDMP) ? PicaDataType.UnsignedByte : texture.DataType);
ImageBinary imageBinary = new ImageBinary();
imageBinary.Width = texture.Width;
imageBinary.Height = texture.Height;
imageBinary.InputPixelFormat = N3DS.GetPixelDataFormat(dataType, pixelFormat);
imageBinary.InputEndianness = Endian.LittleEndian;
imageBinary.AddInputPixels(pixelData[imageIndex]);
return(imageBinary.GetBitmap(0, 0));
}
protected override Bitmap OnGetBitmap(int imageIndex, int paletteIndex)
{
ImageBinary imageBinary = new ImageBinary();
imageBinary = new ImageBinary();
imageBinary.Width = mipmapData[imageIndex].Width;
imageBinary.Height = mipmapData[imageIndex].Height;
imageBinary.InputPixelFormat = N3DS.GetPixelDataFormat(header.PixelFormat);
imageBinary.InputEndianness = Endian.LittleEndian;
imageBinary.AddInputPixels(mipmapData[imageIndex].PixelData);
// Don't pass in original imageIndex and paletteIndex; Scarlet can't handle multiple widths/heights per ImageBinary, so we have to recreate it every time
// TODO: uh, verify the whole Y flipping business here...
//return imageBinary.GetBitmap(0, 0);
Bitmap bitmap = imageBinary.GetBitmap(0, 0);
bitmap.RotateFlip(RotateFlipType.RotateNoneFlipY);
return(bitmap);
}
