/// <summary>
/// Exports a GrTexture to an .ftex file and a group of .ftexs files.
/// </summary>
/// <param name="foxKitFormVariation">The Form Variation to export.</param>
/// <param name="exportPath">File path to export to.</param>
public static void ExportGrTexture(string assetPath, ushort width, ushort height, ushort depth, ushort format, byte mipmapCount, byte[] data, string exportPath)
{
Assert.IsNotNull(exportPath, "exportPath must not be null.");
var userData = AssetImporter.GetAtPath(assetPath).userData;
string[] separators = { "NrtFlag: ", ", TextureType: ", ", UnknownFlags: " };
var flags = userData.Split(separators, StringSplitOptions.RemoveEmptyEntries);
byte nrtFlag;
if (!byte.TryParse(flags[0], out nrtFlag))
{
Debug.Log($"Error: Incorrect nrt flag value: {flags[0]}");
return;
}
else
{
if (!(nrtFlag == 0x0 || nrtFlag == 0x2))
{
Debug.Log($"Error: Incorrect nrt flag value: {nrtFlag}");
return;
}
}
FoxLib.GrTexture.TextureType textureType;
if (!FoxLib.GrTexture.TextureType.TryParse(flags[1], out textureType))
{
Debug.Log($"Error: Incorrect texture type value: {flags[1]}");
return;
}
FoxLib.GrTexture.UnknownFlags unknownFlags;
if (!FoxLib.GrTexture.UnknownFlags.TryParse(flags[2], out unknownFlags))
{
Debug.Log($"Error: Incorrect unknown flags: {flags[2]}");
return;
}
var flippedData = FoxKit.Modules.Gr.GrTexture.Utils.DirectXTexHelper.Flip2DImage(width, height, mipmapCount, GrTextureUtils.GetDXGIFormat(format), data);
Debug.Log("The flipped data is " + ((flippedData == data) ? "the same" : "not the same") + ".");
data = flippedData;
FoxLib.GrTexture.GrTexture grTexture = new FoxLib.GrTexture.GrTexture(height, width, depth, format, nrtFlag, textureType, unknownFlags, mipmapCount, data);
var precomputedSlicePitches = FoxKit.Modules.Gr.GrTexture.Utils.DirectXTexHelper.ComputeSlicePitches((uint)grTexture.Width, (uint)grTexture.Height, GrTextureUtils.GetDXGIFormat(grTexture.PixelFormat), (uint)grTexture.MipMapCount);
var ftexsFileCount = GetFtexsFileCount(grTexture.DDSData.Length, grTexture.MipMapCount);
BinaryWriter[] writers = new BinaryWriter[ftexsFileCount + 1];
try
{
var filepathSansExtension = Path.GetDirectoryName(exportPath) + "\\" + Path.GetFileNameWithoutExtension(exportPath);
writers[0] = new BinaryWriter(new FileStream(exportPath, FileMode.Create));
for (int i = 1; i < writers.Length; i++)
{
writers[i] = new BinaryWriter(new FileStream(filepathSansExtension + "." + i + ".ftexs", FileMode.Create));
}
var writeFunctions = new FoxLib.GrTexture.WriteFunctions[writers.Length];
for (int i = 0; i < writers.Length; ++i)
{
var forClosureCopy = i;
writeFunctions[forClosureCopy] = new FoxLib.GrTexture.WriteFunctions(writers[forClosureCopy].Write, writers[forClosureCopy].Write, writers[forClosureCopy].Write, writers[forClosureCopy].Write, writers[forClosureCopy].Write, writers[forClosureCopy].Write, numberOfBytes => WriteEmptyBytes(writers[forClosureCopy], numberOfBytes), () => writers[forClosureCopy].BaseStream.Position);
}
FoxLib.GrTexture.Write(grTexture, writeFunctions, precomputedSlicePitches);
}
finally
{
foreach (var writer in writers)
{
writer.Close();
}
}
}
/// <summary>
/// Import a .ftex file.
/// </summary>
/// <param name="ctx"></param>
public override void OnImportAsset(AssetImportContext ctx)
{
#region Readers
var filepathSansExtension = Path.GetDirectoryName(assetPath) + "\\" + Path.GetFileNameWithoutExtension(assetPath);
List <BinaryReader> binaryReaders = new List <BinaryReader>();
binaryReaders.Add(new BinaryReader(new FileStream(assetPath, FileMode.Open)));
for (int i = 1; i < 7; i++)
{
var file = filepathSansExtension + "." + i + ".ftexs";
if (!File.Exists(file))
{
break;
}
var fileStream = new FileStream(file, FileMode.Open);
binaryReaders.Add(new BinaryReader(fileStream));
}
#endregion
try
{
var readFunctions = (from reader in binaryReaders select new FoxLib.GrTexture.ReadFunctions(reader.ReadUInt16, reader.ReadUInt32, reader.ReadUInt64, reader.ReadByte, reader.ReadBytes, (numberOfBytes => SkipBytes(reader, numberOfBytes)), (bytePos => MoveStream(reader, bytePos)))).ToArray();
FoxLib.GrTexture.GrTexture grTexture = FoxLib.GrTexture.Read(readFunctions);
var textureFormat = GrTextureUtils.GetTextureFormat(grTexture.PixelFormat, grTexture.Depth);
var isLinear = GrTextureUtils.GetLinear(grTexture.TextureType);
if (grTexture.TextureType == FoxLib.GrTexture.TextureType.Cube)
{
#region Cube
var texture = new Cubemap(grTexture.Width, UnityEngine.Experimental.Rendering.GraphicsFormat.R8G8B8A8_SRGB, UnityEngine.Experimental.Rendering.TextureCreationFlags.MipChain);
var textureData = DirectXTexHelper.Decompress(grTexture.Width, grTexture.Height, GrTextureUtils.GetDXGIFormat(grTexture.PixelFormat), grTexture.MipMapCount, grTexture.DDSData);
for (int i = 0; i < textureData.Length; i++)
{
var faceData = textureData[i];
{
var colours = new Color[faceData.Length / 4];
for (int j = 0; j < faceData.Length / 4; j++)
{
var data = faceData.Skip(j * 4).Take(4).ToArray();
float R = data[0];
float G = data[1];
float B = data[2];
float A = data[3];
float nrmR = R / 255.0f;
float nrmG = G / 255.0f;
float nrmB = B / 255.0f;
float nrmA = A / 255.0f;
colours[j] = new Color(nrmR,
nrmG,
nrmB,
nrmA);
}
texture.SetPixels(colours, (CubemapFace)i);
}
}
texture.Apply(true);
ctx.AddObjectToAsset("ftex", texture);
ctx.SetMainObject(texture);
#endregion
}
else
{
if (grTexture.Depth == 1)
{
#region 2D
var hasMipmaps = grTexture.MipMapCount > 1;
var texture = new Texture2D(grTexture.Width, grTexture.Height, textureFormat, hasMipmaps, isLinear);
if (hasMipmaps)
{
if (texture.mipmapCount > grTexture.MipMapCount)
{
var length = grTexture.DDSData.Length;
IntPtr pixelBuffer = DirectXTexHelper.GenerateNecessaryMipMapsAndFlipImage(grTexture.Width, grTexture.Height, GrTextureUtils.GetDXGIFormat(grTexture.PixelFormat), grTexture.MipMapCount, grTexture.DDSData, ref length);
texture.LoadRawTextureData(pixelBuffer, length);
}
else
{
texture.LoadRawTextureData(grTexture.DDSData);
}
}
else
{
byte[] newPixelData = DirectXTexHelper.Flip2DImage(grTexture.Width, grTexture.Height, GrTextureUtils.GetDXGIFormat(grTexture.PixelFormat), grTexture.MipMapCount, grTexture.DDSData);
texture.LoadRawTextureData(newPixelData);
texture.Apply();
}
ctx.AddObjectToAsset("ftex", texture, texture);
ctx.SetMainObject(texture);
#endregion
}
else
{
#region 3D
var texture = GrTextureUtils.CreateTexture3D(grTexture.Width, grTexture.Height, grTexture.Depth, GrTextureUtils.GetTextureFormat(grTexture.PixelFormat, grTexture.Depth), grTexture.DDSData);
ctx.AddObjectToAsset("ftex", texture);
ctx.SetMainObject(texture);
#endregion
}
}
this.userData = "NrtFlag: " + grTexture.NrtFlag + ", TextureType: " + grTexture.TextureType + ", UnknownFlags: " + grTexture.UnknownFlags;
}
finally
{
foreach (var reader in binaryReaders)
{
reader.Close();
}
}
}