void GenerateMaterial(AxFService.AxFFile.Material _material, System.IO.DirectoryInfo _targetDirectory, TEXTURE_TYPE[] _textureTypes, string[] _textureGUIDs)
{
string templateTexture = " - <TEX_VARIABLE_NAME>:\n" +
" m_Texture: {fileID: <FILE ID>, guid: <GUID>, type: 3}\n" +
" m_Scale: {x: 1, y: 1}\n" +
" m_Offset: {x: 0, y: 0}\n";
string materialContent = Properties.Resources.TemplateMaterial;
//////////////////////////////////////////////////////////////////////////
// Generate textures array
bool hasClearCoat = false;
bool hasHeightMap = false;
string texturesArray = "";
float specularLobeScaleFactor = 1.0f;
float BRDFColorScaleFactor = 1.0f;
float BTFFlakeScaleFactor = 1.0f;
for (int textureIndex = 0; textureIndex < _textureTypes.Length; textureIndex++)
{
AxFService.AxFFile.Material.Texture texture = _material.Textures[textureIndex];
// int fileID = 2800000 + textureIndex;
int fileID = 2800000;
string GUID = _textureGUIDs[textureIndex];
string variableName = null;
switch (_textureTypes[textureIndex])
{
case TEXTURE_TYPE.ANISOTROPY_ANGLE: variableName = "_SVBRDF_AnisotropicRotationAngleMap"; break;
case TEXTURE_TYPE.CLEARCOAT_COLOR: variableName = "_SVBRDF_ClearCoatColorMap_sRGB"; hasClearCoat = true; break;
case TEXTURE_TYPE.CLEARCOAT_IOR: variableName = "_SVBRDF_ClearCoatIORMap_sRGB"; hasClearCoat = true; break;
case TEXTURE_TYPE.CLEARCOAT_NORMAL: variableName = "_SVBRDF_ClearCoatNormalMap"; hasClearCoat = true; break;
case TEXTURE_TYPE.DIFFUSE_COLOR: variableName = "_SVBRDF_DiffuseColorMap_sRGB"; break;
case TEXTURE_TYPE.FRESNEL: variableName = "_SVBRDF_FresnelMap_sRGB"; break;
case TEXTURE_TYPE.HEIGHT: variableName = "_SVBRDF_HeightMap"; hasHeightMap = true; break;
case TEXTURE_TYPE.NORMAL: variableName = "_SVBRDF_NormalMap"; break;
case TEXTURE_TYPE.OPACITY: variableName = "_SVBRDF_OpacityMap"; break;
case TEXTURE_TYPE.SPECULAR_COLOR: variableName = "_SVBRDF_SpecularColorMap_sRGB"; break;
case TEXTURE_TYPE.SPECULAR_LOBE: variableName = "_SVBRDF_SpecularLobeMap"; specularLobeScaleFactor = Mathf.Max(1, texture.MaxValue); break;
// Car Paint
case TEXTURE_TYPE.BRDF_COLOR: variableName = "_CarPaint_BRDFColorMap_sRGB"; BRDFColorScaleFactor = Mathf.Max(1, texture.MaxValue); break;
case TEXTURE_TYPE.BTF_FLAKES: variableName = "_CarPaint_BTFFlakesMap_sRGB"; BTFFlakeScaleFactor = Mathf.Max(1, texture.MaxValue); break;
default:
throw new Exception("Unsupported texture type! Can't match to variable name...");
}
string textureEntry = templateTexture.Replace("<FILE ID>", fileID.ToString());
textureEntry = textureEntry.Replace("<GUID>", GUID);
textureEntry = textureEntry.Replace("<TEX_VARIABLE_NAME>", variableName);
texturesArray += textureEntry;
}
//////////////////////////////////////////////////////////////////////////
// Generate uniforms array
string uniformsArray = "";
string colorsArray = "";
uniformsArray += " - _materialSizeU_mm: 10\n";
uniformsArray += " - _materialSizeV_mm: 10\n";
switch (_material.Type)
{
case AxFService.AxFFile.Material.TYPE.SVBRDF: uniformsArray += " - _AxF_BRDFType: 0\n"; break;
case AxFService.AxFFile.Material.TYPE.CARPAINT: uniformsArray += " - _AxF_BRDFType: 1\n"; break;
case AxFService.AxFFile.Material.TYPE.BTF: uniformsArray += " - _AxF_BRDFType: 2\n"; break;
}
switch (_material.Type)
{
case AxFService.AxFFile.Material.TYPE.SVBRDF: {
// Setup flags
uint flags = 0;
flags |= _material.IsAnisotropic ? 1U : 0;
flags |= hasClearCoat ? 2U : 0;
flags |= _material.GetPropertyInt("cc_no_refraction", 0) == 1 ? 0 : 4U; // Explicitly use no refraction
flags |= hasHeightMap ? 8U : 0;
uniformsArray += " - _flags: " + flags + "\n";
// Setup SVBRDF diffuse & specular types
uint BRDFType = 0;
BRDFType |= (uint)_material.DiffuseType;
BRDFType |= ((uint)_material.SpecularType) << 1;
uniformsArray += " - _SVBRDF_BRDFType: " + BRDFType + "\n";
// Setup SVBRDF fresnel and specular variants
uint BRDFVariants = 0;
BRDFVariants |= ((uint)_material.FresnelVariant & 3);
switch (_material.SpecularVariant)
{
// Ward variants
case AxFService.AxFFile.Material.SVBRDF_SPECULAR_VARIANT.GEISLERMORODER: BRDFVariants |= 0U << 2; break;
case AxFService.AxFFile.Material.SVBRDF_SPECULAR_VARIANT.DUER: BRDFVariants |= 1U << 2; break;
case AxFService.AxFFile.Material.SVBRDF_SPECULAR_VARIANT.WARD: BRDFVariants |= 2U << 2; break;
// Blinn variants
case AxFService.AxFFile.Material.SVBRDF_SPECULAR_VARIANT.ASHIKHMIN_SHIRLEY: BRDFVariants |= 0U << 4; break;
case AxFService.AxFFile.Material.SVBRDF_SPECULAR_VARIANT.BLINN: BRDFVariants |= 1U << 4; break;
case AxFService.AxFFile.Material.SVBRDF_SPECULAR_VARIANT.VRAY: BRDFVariants |= 2U << 4; break;
case AxFService.AxFFile.Material.SVBRDF_SPECULAR_VARIANT.LEWIS: BRDFVariants |= 3U << 4; break;
}
uniformsArray += " - _SVBRDF_BRDFVariants: " + BRDFVariants + "\n";
// Write scale factor for specular lobe
uniformsArray += " - _SVBRDF_SpecularLobeMap_Scale: " + specularLobeScaleFactor + "\n";
float heightMapSize_mm = 0.0f; // @TODO!
uniformsArray += " - _SVBRDF_heightMapMax_mm: " + heightMapSize_mm + "\n";
break;
}
case AxFService.AxFFile.Material.TYPE.CARPAINT: {
// Setup flags
uint flags = 0;
flags |= _material.IsAnisotropic ? 1U : 0;
flags |= hasClearCoat ? 2U : 0;
flags |= _material.GetPropertyInt("cc_no_refraction", 0) == 1 ? 0 : 4U; // Explicitly use no refraction
// flags |= hasHeightMap ? 8U : 0;
uniformsArray += " - _flags: " + flags + "\n";
uniformsArray += " - _CarPaint_CT_diffuse: " + _material.GetPropertyFloat("CT_diffuse", 0) + "\n";
uniformsArray += " - _CarPaint_IOR: " + _material.GetPropertyFloat("IOR", 1) + "\n";
uniformsArray += " - _CarPaint_maxThetaI: " + _material.GetPropertyInt("max_thetaI", 0) + "\n";
uniformsArray += " - _CarPaint_numThetaF: " + _material.GetPropertyInt("num_thetaF", 0) + "\n";
uniformsArray += " - _CarPaint_numThetaI: " + _material.GetPropertyInt("num_thetaI", 0) + "\n";
// Write scale factor for BRDF color
uniformsArray += " - _CarPaint_BRDFColorMap_Scale: " + BRDFColorScaleFactor + "\n";
uniformsArray += " - _CarPaint_BTFFlakesMap_Scale: " + BTFFlakeScaleFactor + "\n";
// =========================================================================================
// Setup simple arrays as colors
float[] CT_F0s = _material.GetPropertyRaw("CT_F0s") as float[];
if (CT_F0s == null || CT_F0s.Length != 3)
{
throw new Exception("Expected 3 float values for F0!");
}
float[] CT_coeffs = _material.GetPropertyRaw("CT_coeffs") as float[];
if (CT_coeffs == null || CT_coeffs.Length != 3)
{
throw new Exception("Expected 3 float values for coefficients!");
}
float[] CT_spreads = _material.GetPropertyRaw("CT_spreads") as float[];
if (CT_spreads == null || CT_spreads.Length != 3)
{
throw new Exception("Expected 3 float values for spreads!");
}
uniformsArray += " - _CarPaint_lobesCount: " + CT_F0s.Length + "\n";
colorsArray += " - _CarPaint_CT_F0s: {r: " + CT_F0s[0] + ", g: " + CT_F0s[1] + ", b: " + CT_F0s[2] + ", a: 0 }\n";
colorsArray += " - _CarPaint_CT_coeffs: {r: " + CT_coeffs[0] + ", g: " + CT_coeffs[1] + ", b: " + CT_coeffs[2] + ", a: 0 }\n";
colorsArray += " - _CarPaint_CT_spreads: {r: " + CT_spreads[0] + ", g: " + CT_spreads[1] + ", b: " + CT_spreads[2] + ", a: 0 }\n";
// =========================================================================================
// Create a custom texture for sliceLUT
int[] thetaFI_sliceLUT = _material.GetPropertyRaw("thetaFI_sliceLUT") as int[];
if (thetaFI_sliceLUT == null)
{
throw new Exception("Slice LUT not found!");
}
ImageUtility.ImageFile texSliceLUT = new ImageUtility.ImageFile((uint)thetaFI_sliceLUT.Length, 1, ImageUtility.PIXEL_FORMAT.R8, new ImageUtility.ColorProfile(ImageUtility.ColorProfile.STANDARD_PROFILE.LINEAR));
texSliceLUT.WritePixels((uint _X, uint _Y, ref float4 _color) => {
_color.x = thetaFI_sliceLUT[_X] / 255.0f;
});
System.IO.FileInfo targetTextureFileName = new System.IO.FileInfo(System.IO.Path.Combine(_targetDirectory.FullName, _material.Name, "sliceLUT.png"));
texSliceLUT.Save(targetTextureFileName, ImageUtility.ImageFile.FILE_FORMAT.PNG);
string GUID = GenerateMeta(targetTextureFileName, checkBoxGenerateMeta.Checked, checkBoxOverwriteExistingMeta.Checked, false, false, false, false);
string textureEntry = templateTexture.Replace("<FILE ID>", 2800000.ToString());
textureEntry = textureEntry.Replace("<GUID>", GUID);
textureEntry = textureEntry.Replace("<TEX_VARIABLE_NAME>", "_CarPaint_thetaFI_sliceLUTMap");
texturesArray += textureEntry;
break;
}
default:
throw new Exception("TODO! Support feeding variables to other BRDF types!");
}
//////////////////////////////////////////////////////////////////////////
// Replace placeholders in template
materialContent = materialContent.Replace("<TEXTURES ARRAY>", texturesArray);
materialContent = materialContent.Replace("<UNIFORMS ARRAY>", uniformsArray);
materialContent = materialContent.Replace("<COLORS ARRAY>", colorsArray);
// Write target file
System.IO.FileInfo materialFileName = new System.IO.FileInfo(System.IO.Path.Combine(_targetDirectory.FullName, _material.Name, "material.mat"));
using (System.IO.StreamWriter S = materialFileName.CreateText())
S.Write(materialContent);
}
void DumpMaterial(AxFService.AxFFile.Material _material, System.IO.DirectoryInfo _targetDirectory)
{
System.IO.DirectoryInfo fullTargetDirectory = new System.IO.DirectoryInfo(System.IO.Path.Combine(_targetDirectory.FullName, _material.Name));
if (!fullTargetDirectory.Exists)
{
fullTargetDirectory.Create();
}
AxFService.AxFFile.Material.Texture[] textures = _material.Textures;
TEXTURE_TYPE[] textureTypes = new TEXTURE_TYPE[textures.Length];
string[] GUIDs = new string[textures.Length];
bool allGUIDsValid = true;
for (int textureIndex = 0; textureIndex < textures.Length; textureIndex++)
{
AxFService.AxFFile.Material.Texture texture = textures[textureIndex];
TEXTURE_TYPE textureType = TEXTURE_TYPE.UNKNOWN;
switch (texture.Name.ToLower())
{
case "diffusecolor": textureType = TEXTURE_TYPE.DIFFUSE_COLOR; break;
case "specularcolor": textureType = TEXTURE_TYPE.SPECULAR_COLOR; break;
case "normal": textureType = TEXTURE_TYPE.NORMAL; break;
case "fresnel": textureType = TEXTURE_TYPE.FRESNEL; break;
case "specularlobe": textureType = TEXTURE_TYPE.SPECULAR_LOBE; break;
case "anisorotation": textureType = TEXTURE_TYPE.ANISOTROPY_ANGLE; break;
case "height": textureType = TEXTURE_TYPE.HEIGHT; break;
case "opacity": textureType = TEXTURE_TYPE.OPACITY; break;
case "clearcoatcolor": textureType = TEXTURE_TYPE.CLEARCOAT_COLOR; break;
case "clearcoatnormal": textureType = TEXTURE_TYPE.CLEARCOAT_NORMAL; break;
case "clearcoatior": textureType = TEXTURE_TYPE.CLEARCOAT_IOR; break;
// Car Paint
case "brdfcolors": textureType = TEXTURE_TYPE.BRDF_COLOR; break;
case "btfflakes": textureType = TEXTURE_TYPE.BTF_FLAKES; break;
default:
throw new Exception("Unsupported texture type \"" + texture.Name + "\"!");
}
textureTypes[textureIndex] = textureType;
bool sRGB = ((int)textureType & (int)TEXTURE_TYPE.FLAG_sRGB) != 0;
bool isNormalMap = ((int)textureType & (int)TEXTURE_TYPE.FLAG_NORMAL) != 0;
bool isIOR = ((int)textureType & (int)TEXTURE_TYPE.FLAG_IOR) != 0;
bool isAngle = ((int)textureType & (int)TEXTURE_TYPE.FLAG_ANGLE) != 0;
bool isArray = ((int)textureType & (int)TEXTURE_TYPE.FLAG_2DARRAY) != 0;
bool scale = ((int)textureType & (int)TEXTURE_TYPE.FLAG_SCALE_BY_MAX) != 0 && texture.MaxValue > 1;
System.IO.FileInfo targetTextureFileName = new System.IO.FileInfo(System.IO.Path.Combine(fullTargetDirectory.FullName, texture.Name + ".png"));
//*
// // Dump as DDS
// texture.Images.DDSSaveFile( new System.IO.FileInfo( @"D:\Workspaces\Unity Labs\AxF\AxF Shader\Assets\AxF Materials\X-Rite_14-LTH_Red_GoatLeather_4405_2479\" + texture.Name + ".dds" ), texture.ComponentFormat );
// Individual dump as RGBA8 files
// ImageUtility.ImageFile source = texture.Images[0][0][0];
// ImageUtility.ImageFile temp = new ImageUtility.ImageFile();
// //temp.ConvertFrom( source, ImageUtility.PIXEL_FORMAT.BGRA8 );
// temp.ToneMapFrom( source, ( float3 _HDR, ref float3 _LDR ) => { _LDR =_HDR; } );
// temp.Save( new System.IO.FileInfo( @"D:\Workspaces\Unity Labs\AxF\AxF Shader\Assets\AxF Materials\X-Rite_14-LTH_Red_GoatLeather_4405_2479\" + texture.Name + ".png" ), ImageUtility.ImageFile.FILE_FORMAT.PNG );
uint mipsCount = texture.Images[0].MipLevelsCount;
for (uint mipIndex = 0; mipIndex < mipsCount; mipIndex++)
{
// Individual dump as RGBA16 files
ImageUtility.ImageFile source = texture.Images[0][mipIndex][0];
float factor = 1.0f;
if (scale)
{
factor = 1.0f / texture.MaxValue; // Apply scale
}
// if ( textureType == TEXTURE_TYPE.BRDF_COLOR ) {
// Random R = new Random();
// source.ReadWritePixels( ( uint _X, uint _Y, ref float4 _color ) => {
// _color.x = (0.5f+_X) / 63.0f;
// _color.y = (0.5f+_X) / 63.0f;
// _color.z = (0.5f+_X) / 63.0f;
// _color.w = (float) R.NextDouble();
//
// // Apply sRGB
// _color.x = Mathf.Pow( Math.Max( 0.0f, _color.x ), 1.0f / 2.2f );
// _color.y = Mathf.Pow( Math.Max( 0.0f, _color.y ), 1.0f / 2.2f );
// _color.z = Mathf.Pow( Math.Max( 0.0f, _color.z ), 1.0f / 2.2f );
//
// } );
// } else
if (sRGB)
{
source.ReadWritePixels((uint _X, uint _Y, ref float4 _color) => {
_color.x = Mathf.Pow(Math.Max(0.0f, factor * _color.x), 1.0f / 2.2f);
_color.y = Mathf.Pow(Math.Max(0.0f, factor * _color.y), 1.0f / 2.2f);
_color.z = Mathf.Pow(Math.Max(0.0f, factor * _color.z), 1.0f / 2.2f);
// _color.w = 1.0f;
});
}
if (isNormalMap)
{
source.ReadWritePixels((uint _X, uint _Y, ref float4 _color) => {
_color.x = 0.5f * (1.0f + _color.x);
_color.y = 0.5f * (1.0f + _color.y);
_color.z = 0.5f * (1.0f + _color.z);
});
}
if (isIOR)
{
// Transform into F0
source.ReadWritePixels((uint _X, uint _Y, ref float4 _color) => {
if (float.IsNaN(_color.x))
{
_color.x = 1.2f;
}
if (float.IsNaN(_color.y))
{
_color.y = 1.2f;
}
if (float.IsNaN(_color.z))
{
_color.z = 1.2f;
}
_color.x = (_color.x - 1.0f) / (_color.x + 1.0f); // We apply the square below, during the sRGB conversion
_color.y = (_color.y - 1.0f) / (_color.y + 1.0f);
_color.z = (_color.z - 1.0f) / (_color.z + 1.0f);
_color.x = Mathf.Pow(Mathf.Max(0.0f, _color.x), 2.0f / 2.2f); // <= Notice the 2/2.2 here!
_color.y = Mathf.Pow(Mathf.Max(0.0f, _color.y), 2.0f / 2.2f);
_color.z = Mathf.Pow(Mathf.Max(0.0f, _color.z), 2.0f / 2.2f);
});
sRGB = true; // Also encoded as sRGB now
}
if (isAngle)
{
// Renormalize
source.ReadWritePixels((uint _X, uint _Y, ref float4 _color) => {
_color.x = 0.5f * (1.0f + _color.x * Mathf.INVPI);
_color.y = 0.5f * (1.0f + _color.y * Mathf.INVPI);
_color.z = 0.5f * (1.0f + _color.z * Mathf.INVPI);
});
}
ImageUtility.ImageFile temp = new ImageUtility.ImageFile();
// if ( texture.Name.ToLower() == "diffusecolor" )
// temp.ToneMapFrom( source, ( float3 _HDR, ref float3 _LDR ) => { _LDR =_HDR; } ); // 8-bits for diffuse otherwise unity doesn't like it... :'(
// else
temp.ConvertFrom(source, ImageUtility.PIXEL_FORMAT.RGBA16);
System.IO.FileInfo targetMipTextureFileName = mipIndex > 0 ? new System.IO.FileInfo(System.IO.Path.Combine(fullTargetDirectory.FullName, texture.Name + "_mip" + mipIndex + ".png"))
: targetTextureFileName;
temp.Save(targetMipTextureFileName, ImageUtility.ImageFile.FILE_FORMAT.PNG);
// System.IO.FileInfo targetMipTextureFileName = new System.IO.FileInfo( System.IO.Path.Combine( fullTargetDirectory.FullName, texture.Name + ".tif" ) );
// temp.Save( targetMipTextureFileName, ImageUtility.ImageFile.FILE_FORMAT.TIFF );
// Generate or read meta file
string GUID = GenerateMeta(targetMipTextureFileName, checkBoxGenerateMeta.Checked, checkBoxOverwriteExistingMeta.Checked, sRGB, isNormalMap, isIOR, isArray);
if (mipIndex == 0)
{
GUIDs[textureIndex] = GUID;
allGUIDsValid &= GUID != null;
}
}
//*/
}
if (!checkBoxGenerateMat.Checked)
{
return;
}
if (!allGUIDsValid)
{
throw new Exception("Not all texture GUIDs are valid! Can't generate material file!");
}
GenerateMaterial(_material, _targetDirectory, textureTypes, GUIDs);
}