public static void RegenerateMipmapsFromTexture2D(NutTexture tex)
{
if (!TextureFormatTools.IsCompressed(tex.pixelInternalFormat))
{
return;
}
//Rendering.OpenTKSharedResources.dummyResourceWindow.MakeCurrent();
// Create an OpenGL texture with generated mipmaps.
Texture2D texture2D = new Texture2D();
texture2D.LoadImageData(tex.Width, tex.Height, tex.surfaces[0].mipmaps[0], (InternalFormat)tex.pixelInternalFormat);
texture2D.Bind();
for (int i = 0; i < tex.surfaces[0].mipmaps.Count; i++)
{
// Get the image size for the current mip level of the bound texture.
int imageSize;
GL.GetTexLevelParameter(TextureTarget.Texture2D, i,
GetTextureParameter.TextureCompressedImageSize, out imageSize);
byte[] mipLevelData = new byte[imageSize];
// Replace the Nut texture with the OpenGL texture's data.
GL.GetCompressedTexImage(TextureTarget.Texture2D, i, mipLevelData);
tex.surfaces[0].mipmaps[i] = mipLevelData;
}
}
/*
* public static bool texIdUsed(int texId)
* {
* foreach (var nut in Runtime.TextureContainers)
* foreach (NutTexture tex in nut.Nodes)
* if (tex.HashId == texId)
* return true;
* return false;
* }
*
* public void ChangeTextureIds(int newTexId)
* {
* // Check if tex ID fixing would cause any naming conflicts.
* if (TexIdDuplicate4thByte())
* {
* MessageBox.Show("The first six digits should be the same for all textures to prevent duplicate IDs after changing the Tex ID.",
* "Duplicate Texture ID");
* return;
* }
*
* foreach (NutTexture tex in Textures)
* {
* Texture originalTexture = glTexByHashId[tex.HashId];
* glTexByHashId.Remove(tex.HashId);
*
* // Only change the first 3 bytes.
* tex.HashId = tex.HashId & 0xFF;
* int first3Bytes = (int)(newTexId & 0xFFFFFF00);
* tex.HashId = tex.HashId | first3Bytes;
*
* glTexByHashId.Add(tex.HashId, originalTexture);
* }
* }
*
* public bool TexIdDuplicate4thByte()
* {
* // Check for duplicates.
* List<byte> previous4thBytes = new List<byte>();
* foreach (NutTexture tex in Textures)
* {
* byte fourthByte = (byte)(tex.HashId & 0xFF);
* if (!(previous4thBytes.Contains(fourthByte)))
* previous4thBytes.Add(fourthByte);
* else
* return true;
*
* }
*
* return false;
* }
*/
public static Texture2D CreateTexture2D(NutTexture nutTexture, int surfaceIndex = 0)
{
bool compressedFormatWithMipMaps = TextureFormatTools.IsCompressed(nutTexture.pixelInternalFormat);
List <byte[]> mipmaps = nutTexture.surfaces[surfaceIndex].mipmaps;
if (compressedFormatWithMipMaps)
{
// HACK: Skip loading mipmaps for non square textures for now.
// The existing mipmaps don't display properly for some reason.
if (nutTexture.surfaces[0].mipmaps.Count > 1 && nutTexture.isDds && (nutTexture.Width == nutTexture.Height))
{
// Reading mipmaps past the first level is only supported for DDS currently.
Texture2D texture = new Texture2D();
texture.LoadImageData(nutTexture.Width, nutTexture.Height, nutTexture.surfaces[surfaceIndex].mipmaps,
(InternalFormat)nutTexture.pixelInternalFormat);
return(texture);
}
else
{
// Only load the first level and generate the rest.
Texture2D texture = new Texture2D();
texture.LoadImageData(nutTexture.Width, nutTexture.Height, mipmaps[0], (InternalFormat)nutTexture.pixelInternalFormat);
return(texture);
}
}
else
{
// Uncompressed.
Texture2D texture = new Texture2D();
texture.LoadImageData(nutTexture.Width, nutTexture.Height, mipmaps[0],
new TextureFormatUncompressed(nutTexture.pixelInternalFormat, nutTexture.pixelFormat, nutTexture.pixelType));
return(texture);
}
}
public bool getTextureByID(int hash, out NutTexture suc)
{
suc = null;
foreach (NutTexture t in Textures)
{
if (t.HashId == hash)
{
suc = t;
return(true);
}
}
return(false);
}
public void ConvertToDdsNut(bool regenerateMipMaps = true)
{
for (int i = 0; i < Textures.Count; i++)
{
NutTexture originalTexture = (NutTexture)Textures[i];
// Reading/writing mipmaps is only supported for DDS textures,
// so we will need to convert all the textures.
DDS dds = new DDS(originalTexture);
NutTexture ddsTexture = dds.ToNutTexture();
ddsTexture.HashId = originalTexture.HashId;
if (regenerateMipMaps)
{
RegenerateMipmapsFromTexture2D(ddsTexture);
}
Textures[i] = ddsTexture;
}
}
public static TextureCubeMap CreateTextureCubeMap(NutTexture t)
{
if (TextureFormatTools.IsCompressed(t.pixelInternalFormat))
{
// Compressed cubemap with mipmaps.
TextureCubeMap texture = new TextureCubeMap();
texture.LoadImageData(t.Width, (InternalFormat)t.pixelInternalFormat,
t.surfaces[0].mipmaps, t.surfaces[1].mipmaps, t.surfaces[2].mipmaps,
t.surfaces[3].mipmaps, t.surfaces[4].mipmaps, t.surfaces[5].mipmaps);
return(texture);
}
else
{
// Uncompressed cube map with no mipmaps.
TextureCubeMap texture = new TextureCubeMap();
texture.LoadImageData(t.Width, new TextureFormatUncompressed(t.pixelInternalFormat, t.pixelFormat, t.pixelType),
t.surfaces[0].mipmaps[0], t.surfaces[1].mipmaps[0], t.surfaces[2].mipmaps[0],
t.surfaces[3].mipmaps[0], t.surfaces[4].mipmaps[0], t.surfaces[5].mipmaps[0]);
return(texture);
}
}
public NutTexture ToNutTexture()
{
NutTexture tex = new NutTexture();
tex.isDds = true;
tex.HashId = 0x48415348;
tex.Height = (int)header.height;
tex.Width = (int)header.width;
byte surfaceCount = 1;
bool isCubemap = (header.caps2 & (uint)DDSCAPS2.CUBEMAP) == (uint)DDSCAPS2.CUBEMAP;
if (isCubemap)
{
if ((header.caps2 & (uint)DDSCAPS2.CUBEMAP_ALLFACES) == (uint)DDSCAPS2.CUBEMAP_ALLFACES)
{
surfaceCount = 6;
}
else
{
throw new NotImplementedException($"Unsupported cubemap face amount for texture. Six faces are required.");
}
}
bool isBlock = true;
switch (header.ddspf.fourCC)
{
case 0x00000000: //RGBA
isBlock = false;
tex.pixelInternalFormat = PixelInternalFormat.Rgba;
tex.pixelFormat = OpenTK.Graphics.OpenGL.PixelFormat.Rgba;
break;
case 0x31545844: //DXT1
tex.pixelInternalFormat = PixelInternalFormat.CompressedRgbaS3tcDxt1Ext;
break;
case 0x33545844: //DXT3
tex.pixelInternalFormat = PixelInternalFormat.CompressedRgbaS3tcDxt3Ext;
break;
case 0x35545844: //DXT5
tex.pixelInternalFormat = PixelInternalFormat.CompressedRgbaS3tcDxt5Ext;
break;
case 0x31495441: //ATI1
case 0x55344342: //BC4U
tex.pixelInternalFormat = PixelInternalFormat.CompressedRedRgtc1;
break;
case 0x32495441: //ATI2
case 0x55354342: //BC5U
tex.pixelInternalFormat = PixelInternalFormat.CompressedRgRgtc2;
break;
default:
MessageBox.Show("Unsupported DDS format - 0x" + header.ddspf.fourCC.ToString("x"));
break;
}
uint formatSize = getFormatSize(header.ddspf.fourCC);
FileData d = new FileData(bdata);
if (header.mipmapCount == 0)
{
header.mipmapCount = 1;
}
uint off = 0;
for (byte i = 0; i < surfaceCount; ++i)
{
TextureSurface surface = new TextureSurface();
uint w = header.width, h = header.height;
for (int j = 0; j < header.mipmapCount; ++j)
{
//If texture is DXT5 and isn't square, limit the mipmaps to an amount such that width and height are each always >= 4
if (tex.pixelInternalFormat == PixelInternalFormat.CompressedRgbaS3tcDxt5Ext && tex.Width != tex.Height && (w < 4 || h < 4))
{
break;
}
uint s = (w * h); //Total pixels
if (isBlock)
{
s = (uint)(s * ((float)formatSize / 0x10)); //Bytes per 16 pixels
if (s < formatSize) //Make sure it's at least one block
{
s = formatSize;
}
}
else
{
s = (uint)(s * (formatSize)); //Bytes per pixel
}
w /= 2;
h /= 2;
surface.mipmaps.Add(d.getSection((int)off, (int)s));
off += s;
}
tex.surfaces.Add(surface);
}
return(tex);
}
public void FromNutTexture(NutTexture tex)
{
header = new Header();
header.flags = (uint)(DDSD.CAPS | DDSD.HEIGHT | DDSD.WIDTH | DDSD.PIXELFORMAT | DDSD.MIPMAPCOUNT | DDSD.LINEARSIZE);
header.width = (uint)tex.Width;
header.height = (uint)tex.Height;
header.pitchOrLinearSize = (uint)tex.ImageSize;
header.mipmapCount = (uint)tex.surfaces[0].mipmaps.Count;
header.caps2 = tex.DdsCaps2;
bool isCubemap = (header.caps2 & (uint)DDSCAPS2.CUBEMAP) == (uint)DDSCAPS2.CUBEMAP;
header.caps = (uint)DDSCAPS.TEXTURE;
if (header.mipmapCount > 1)
{
header.caps |= (uint)(DDSCAPS.COMPLEX | DDSCAPS.MIPMAP);
}
if (isCubemap)
{
header.caps |= (uint)DDSCAPS.COMPLEX;
}
switch (tex.pixelInternalFormat)
{
case PixelInternalFormat.CompressedRgbaS3tcDxt1Ext:
header.ddspf.fourCC = 0x31545844;
header.ddspf.flags = (uint)DDPF.FOURCC;
break;
case PixelInternalFormat.CompressedRgbaS3tcDxt3Ext:
header.ddspf.fourCC = 0x33545844;
header.ddspf.flags = (uint)DDPF.FOURCC;
break;
case PixelInternalFormat.CompressedRgbaS3tcDxt5Ext:
header.ddspf.fourCC = 0x35545844;
header.ddspf.flags = (uint)DDPF.FOURCC;
break;
case PixelInternalFormat.CompressedRedRgtc1:
header.ddspf.fourCC = 0x31495441;
header.ddspf.flags = (uint)DDPF.FOURCC;
break;
case PixelInternalFormat.CompressedRgRgtc2:
header.ddspf.fourCC = 0x32495441;
header.ddspf.flags = (uint)DDPF.FOURCC;
break;
case PixelInternalFormat.Rgba:
header.ddspf.fourCC = 0x00000000;
if (tex.pixelFormat == OpenTK.Graphics.OpenGL.PixelFormat.Rgba)
{
header.ddspf.flags = (uint)(DDPF.RGB | DDPF.ALPHAPIXELS);
header.ddspf.RGBBitCount = 0x8 * 4;
header.ddspf.RBitMask = 0x000000FF;
header.ddspf.GBitMask = 0x0000FF00;
header.ddspf.BBitMask = 0x00FF0000;
header.ddspf.ABitMask = 0xFF000000;
}
break;
default:
throw new NotImplementedException($"Unknown pixel format 0x{tex.pixelInternalFormat:X}");
}
List <byte> d = new List <byte>();
foreach (byte[] b in tex.GetAllMipmaps())
{
d.AddRange(b);
}
bdata = d.ToArray();
}
public DDS(NutTexture tex)
{
FromNutTexture(tex);
}
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);
}
}