private BabylonMaterial DumpShaderMaterial(Material material)
{
if (materialsDictionary.ContainsKey(material.name))
{
return materialsDictionary[material.name];
}
var babylonShaderMaterial = new BabylonShaderMaterial
{
name = material.name,
id = Guid.NewGuid().ToString(),
};
ExporterWindow.ReportProgress(1, "Exporting glsl material: " + material.name);
List<string> tnames = material.GetTextureNames();
foreach (string tname in tnames)
{
BabylonTexture tdata = DumpTextureFromMaterial(material, tname);
if (tdata != null)
{
babylonShaderMaterial.textures.Add(tname, tdata);
}
}
List<string> fnames = material.GetFloatNames();
foreach (string fname in fnames)
{
float fdata = material.GetFloat(fname);
babylonShaderMaterial.floats.Add(fname, fdata);
}
List<string> rnames = material.GetRangeNames();
foreach (string rname in rnames)
{
float rdata = material.GetFloat(rname);
babylonShaderMaterial.floats.Add(rname, rdata);
}
List<string> cnames = material.GetColorNames();
foreach (string cname in cnames)
{
Color cdata = material.GetColor(cname);
babylonShaderMaterial.vectors4.Add(cname, cdata.ToFloat());
}
List<string> vnames = material.GetVectorNames();
foreach (string vname in vnames)
{
Vector4 vdata = material.GetVector(vname);
babylonShaderMaterial.vectors4.Add(vname, vdata.ToFloat());
}
Shader shader = material.shader;
string filename = AssetDatabase.GetAssetPath(shader);
string program = Tools.LoadTextAsset(filename);
string basename = shader.name.Replace("BabylonJS/", "").Replace("/", "_").Replace(" ", "");
string outpath = (!String.IsNullOrEmpty(exportationOptions.DefaultShaderFolder)) ? exportationOptions.DefaultShaderFolder : OutputPath;
var shaderpath = new Dictionary<string, string>();
List<string> attributeList = new List<string>();
List<string> uniformList = new List<string>();
List<string> samplerList = new List<string>();
List<string> defineList = new List<string>();
string babylonOptions = GetShaderProgramSection(basename, program, BabylonProgramSection.Babylon);
string[] babylonLines = babylonOptions.Split('\n');
foreach (string babylonLine in babylonLines)
{
if (babylonLine.IndexOf("attributes", StringComparison.OrdinalIgnoreCase) >= 0)
{
string[] attributes = babylonLine.Split(':');
if (attributes != null && attributes.Length > 1)
{
string abuffer = attributes[1].Replace("[", "").Replace("]", "");
if (!String.IsNullOrEmpty(abuffer))
{
abuffer = abuffer.Trim();
string[] adata = abuffer.Split(',');
if (adata != null && adata.Length > 0)
{
foreach (string aoption in adata)
{
string aoption_buffer = aoption.Trim().Replace("\"", "").Trim();
if (!String.IsNullOrEmpty(aoption_buffer))
{
attributeList.Add(aoption_buffer);
}
}
}
}
}
}
else if (babylonLine.IndexOf("uniforms", StringComparison.OrdinalIgnoreCase) >= 0)
{
string[] uniforms = babylonLine.Split(':');
if (uniforms != null && uniforms.Length > 1)
{
string ubuffer = uniforms[1].Replace("[", "").Replace("]", "");
if (!String.IsNullOrEmpty(ubuffer))
{
ubuffer = ubuffer.Trim();
string[] udata = ubuffer.Split(',');
if (udata != null && udata.Length > 0)
{
foreach (string uoption in udata)
{
string uoption_buffer = uoption.Trim().Replace("\"", "").Trim();
if (!String.IsNullOrEmpty(uoption_buffer))
{
uniformList.Add(uoption_buffer);
}
}
}
}
}
}
else if (babylonLine.IndexOf("samplers", StringComparison.OrdinalIgnoreCase) >= 0)
{
string[] samplers = babylonLine.Split(':');
if (samplers != null && samplers.Length > 1)
{
string sbuffer = samplers[1].Replace("[", "").Replace("]", "");
if (!String.IsNullOrEmpty(sbuffer))
{
sbuffer = sbuffer.Trim();
string[] sdata = sbuffer.Split(',');
if (sdata != null && sdata.Length > 0)
{
foreach (string soption in sdata)
{
string soption_buffer = soption.Trim().Replace("\"", "").Trim();
if (!String.IsNullOrEmpty(soption_buffer))
{
samplerList.Add(soption_buffer);
}
}
}
}
}
}
else if (babylonLine.IndexOf("defines", StringComparison.OrdinalIgnoreCase) >= 0)
{
string[] defines = babylonLine.Split(':');
if (defines != null && defines.Length > 1)
{
string dbuffer = defines[1].Replace("[", "").Replace("]", "");
if (!String.IsNullOrEmpty(dbuffer))
{
dbuffer = dbuffer.Trim();
string[] ddata = dbuffer.Split(',');
if (ddata != null && ddata.Length > 0)
{
foreach (string doption in ddata)
{
string doption_buffer = doption.Trim().Replace("\"", "").Trim();
if (!String.IsNullOrEmpty(doption_buffer))
{
defineList.Add(doption_buffer);
}
}
}
}
}
}
}
babylonShaderMaterial.options = new BabylonShaderOptions();
babylonShaderMaterial.options.attributes = attributeList.ToArray();
babylonShaderMaterial.options.uniforms = uniformList.ToArray();
babylonShaderMaterial.options.samplers = samplerList.ToArray();
babylonShaderMaterial.options.defines = defineList.ToArray();
string vertexProgram = GetShaderProgramSection(basename, program, BabylonProgramSection.Vertex);
var vertextFile = Path.Combine(outpath, basename + ".vertex.fx");
if (exportationOptions.EmbeddedShaders)
{
shaderpath.Add("vertexElement", ("base64:" + Tools.FormatBase64(vertexProgram)));
}
else
{
File.WriteAllText(vertextFile, vertexProgram);
}
string fragmentProgram = GetShaderProgramSection(basename, program, BabylonProgramSection.Fragment);
var fragmentFile = Path.Combine(outpath, basename + ".fragment.fx");
if (exportationOptions.EmbeddedShaders)
{
shaderpath.Add("fragmentElement", ("base64:" + Tools.FormatBase64(fragmentProgram)));
}
else
{
File.WriteAllText(fragmentFile, fragmentProgram);
}
babylonShaderMaterial.shaderPath = (exportationOptions.EmbeddedShaders) ? (object)shaderpath : (object)basename;
materialsDictionary.Add(babylonShaderMaterial.name, babylonShaderMaterial);
return babylonShaderMaterial;
}