public void ReadNTWU(FileData d, bool skipTextures = true)
{
d.seek(0x6);
ushort count = d.readUShort();
d.skip(0x8);
int headerPtr = 0x10;
for (ushort i = 0; i < count; ++i)
{
d.seek(headerPtr);
NutTexture tex = new NutTexture();
tex.pixelInternalFormat = PixelInternalFormat.Rgba32ui;
int totalSize = d.readInt();
d.skip(4);
int dataSize = d.readInt();
int headerSize = d.readUShort();
d.skip(2);
d.skip(1);
byte mipmapCount = d.readByte();
d.skip(1);
tex.setPixelFormatFromNutFormat(d.readByte());
tex.Width = d.readUShort();
tex.Height = d.readUShort();
d.readInt(); //Always 1?
uint caps2 = d.readUInt();
bool isCubemap = false;
byte surfaceCount = 1;
if ((caps2 & (uint)DDS.DDSCAPS2.CUBEMAP) == (uint)DDS.DDSCAPS2.CUBEMAP)
{
//Only supporting all six faces
if ((caps2 & (uint)DDS.DDSCAPS2.CUBEMAP_ALLFACES) == (uint)DDS.DDSCAPS2.CUBEMAP_ALLFACES)
{
isCubemap = true;
surfaceCount = 6;
}
else
{
throw new NotImplementedException($"Unsupported cubemap face amount for texture {i} with hash 0x{tex.HashId:X}. Six faces are required.");
}
}
int dataOffset = d.readInt() + headerPtr;
int mipDataOffset = d.readInt() + headerPtr;
int gtxHeaderOffset = d.readInt() + headerPtr;
d.readInt();
int cmapSize1 = 0;
int cmapSize2 = 0;
if (isCubemap)
{
cmapSize1 = d.readInt();
cmapSize2 = d.readInt();
d.skip(8);
}
int imageSize = 0; //Total size of first mipmap of every surface
int mipSize = 0; //Total size of mipmaps other than the first of every surface
if (mipmapCount == 1)
{
if (isCubemap)
{
imageSize = cmapSize1;
}
else
{
imageSize = dataSize;
}
}
else
{
imageSize = d.readInt();
mipSize = d.readInt();
d.skip((mipmapCount - 2) * 4);
d.align(0x10);
}
d.skip(0x10); //eXt data - always the same
d.skip(4); //GIDX
d.readInt(); //Always 0x10
tex.HashOffset = d.pos();
tex.HashId = d.readInt();
if (!skipTextures)
{
d.skip(4); // padding align 8
d.seek(gtxHeaderOffset);
GTX.GX2Surface gtxHeader = new GTX.GX2Surface();
gtxHeader.dim = d.readInt();
gtxHeader.width = d.readInt();
gtxHeader.height = d.readInt();
gtxHeader.depth = d.readInt();
gtxHeader.numMips = d.readInt();
gtxHeader.format = d.readInt();
gtxHeader.aa = d.readInt();
gtxHeader.use = d.readInt();
gtxHeader.imageSize = d.readInt();
gtxHeader.imagePtr = d.readInt();
gtxHeader.mipSize = d.readInt();
gtxHeader.mipPtr = d.readInt();
gtxHeader.tileMode = d.readInt();
gtxHeader.swizzle = d.readInt();
gtxHeader.alignment = d.readInt();
gtxHeader.pitch = d.readInt();
//mipOffsets[0] is not in this list and is simply the start of the data (dataOffset)
//mipOffsets[1] is relative to the start of the data (dataOffset + mipOffsets[1])
//Other mipOffsets are relative to mipOffset[1] (dataOffset + mipOffsets[1] + mipOffsets[i])
int[] mipOffsets = new int[mipmapCount];
mipOffsets[0] = 0;
for (byte mipLevel = 1; mipLevel < mipmapCount; ++mipLevel)
{
mipOffsets[mipLevel] = 0;
mipOffsets[mipLevel] = mipOffsets[1] + d.readInt();
}
for (byte surfaceLevel = 0; surfaceLevel < surfaceCount; ++surfaceLevel)
{
tex.surfaces.Add(new TextureSurface());
}
int w = tex.Width, h = tex.Height;
for (byte mipLevel = 0; mipLevel < mipmapCount; ++mipLevel)
{
int p = gtxHeader.pitch / (gtxHeader.width / w);
int size;
if (mipmapCount == 1)
{
size = imageSize;
}
else if (mipLevel + 1 == mipmapCount)
{
size = (mipSize + mipOffsets[1]) - mipOffsets[mipLevel];
}
else
{
size = mipOffsets[mipLevel + 1] - mipOffsets[mipLevel];
}
size /= surfaceCount;
for (byte surfaceLevel = 0; surfaceLevel < surfaceCount; ++surfaceLevel)
{
gtxHeader.data = d.getSection(dataOffset + mipOffsets[mipLevel] + (size * surfaceLevel), size);
//Real size
//Leave the below line commented for now because it breaks RGBA textures
//size = ((w + 3) >> 2) * ((h + 3) >> 2) * (GTX.getBPP(gtxHeader.format) / 8);
if (size < (GTX.getBPP(gtxHeader.format) / 8))
{
size = (GTX.getBPP(gtxHeader.format) / 8);
}
byte[] deswiz = GTX.swizzleBC(
gtxHeader.data,
w,
h,
gtxHeader.format,
gtxHeader.tileMode,
p,
gtxHeader.swizzle
);
tex.surfaces[surfaceLevel].mipmaps.Add(new FileData(deswiz).getSection(0, size));
}
w /= 2;
h /= 2;
if (w < 1)
{
w = 1;
}
if (h < 1)
{
h = 1;
}
}
}
headerPtr += headerSize;
Textures.Add(tex);
}
}
public void ReadNTP3(FileData d, bool skipTextures = true)
{
d.seek(0x6);
ushort count = d.readUShort();
d.skip(0x8);
int headerPtr = 0x10;
for (ushort i = 0; i < count; ++i)
{
d.seek(headerPtr);
NutTexture tex = new NutTexture();
tex.isDds = true;
tex.pixelInternalFormat = PixelInternalFormat.Rgba32ui;
int totalSize = d.readInt();
d.skip(4);
int dataSize = d.readInt();
int headerSize = d.readUShort();
d.skip(2);
//It might seem that mipmapCount and pixelFormat would be shorts, but they're bytes because they stay in the same place regardless of endianness
d.skip(1);
byte mipmapCount = d.readByte();
d.skip(1);
tex.setPixelFormatFromNutFormat(d.readByte());
tex.Width = d.readUShort();
tex.Height = d.readUShort();
d.skip(4); //0 in dds nuts (like NTP3) and 1 in gtx nuts; texture type?
uint caps2 = d.readUInt();
bool isCubemap = false;
byte surfaceCount = 1;
if ((caps2 & (uint)DDS.DDSCAPS2.CUBEMAP) == (uint)DDS.DDSCAPS2.CUBEMAP)
{
//Only supporting all six faces
if ((caps2 & (uint)DDS.DDSCAPS2.CUBEMAP_ALLFACES) == (uint)DDS.DDSCAPS2.CUBEMAP_ALLFACES)
{
isCubemap = true;
surfaceCount = 6;
}
else
{
throw new NotImplementedException($"Unsupported cubemap face amount for texture {i} with hash 0x{tex.HashId:X}. Six faces are required.");
}
}
int dataOffset = 0;
if (Version < 0x0200)
{
dataOffset = headerPtr + headerSize;
d.readInt();
}
else if (Version >= 0x0200)
{
dataOffset = d.readInt() + headerPtr;
}
d.readInt();
d.readInt();
d.readInt();
//The size of a single cubemap face (discounting mipmaps). I don't know why it is repeated. If mipmaps are present, this is also specified in the mipSize section anyway.
int cmapSize1 = 0;
int cmapSize2 = 0;
if (isCubemap)
{
cmapSize1 = d.readInt();
cmapSize2 = d.readInt();
d.skip(8);
}
int[] mipSizes = new int[mipmapCount];
if (mipmapCount == 1)
{
if (isCubemap)
{
mipSizes[0] = cmapSize1;
}
else
{
mipSizes[0] = dataSize;
}
}
else
{
for (byte mipLevel = 0; mipLevel < mipmapCount; ++mipLevel)
{
mipSizes[mipLevel] = d.readInt();
}
d.align(0x10);
}
d.skip(0x10); //eXt data - always the same
d.skip(4); //GIDX
d.readInt(); //Always 0x10
tex.HashOffset = d.pos();
tex.HashId = d.readInt();
d.skip(4); // padding align 8
if (!skipTextures)
{
for (byte surfaceLevel = 0; surfaceLevel < surfaceCount; ++surfaceLevel)
{
TextureSurface surface = new TextureSurface();
for (byte mipLevel = 0; mipLevel < mipmapCount; ++mipLevel)
{
byte[] texArray = d.getSection(dataOffset, mipSizes[mipLevel]);
surface.mipmaps.Add(texArray);
dataOffset += mipSizes[mipLevel];
}
tex.surfaces.Add(surface);
}
if (tex.getNutFormat() == 14 || tex.getNutFormat() == 17)
{
tex.SwapChannelOrderUp();
}
}
if (Version < 0x0200)
{
headerPtr += totalSize;
}
else if (Version >= 0x0200)
{
headerPtr += headerSize;
}
Textures.Add(tex);
}
}
