public void NewMaterial(ReadOnlySpan <string> name)
{
_materials.Add(_currentMaterial = new ObjMaterial(name[0]));
}
/// <summary>
/// Parses and loads a line from an OBJ file.
/// Currently only supports V, VT, F and MTLLIB prefixes
/// </summary>
private void processLine(string line)
{
string[] parts = line.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length > 0)
{
ObjMaterial CurrentMaterial = currentMaterial();
ObjColor c = new ObjColor();
switch (parts[0].Trim())
{
case "d":
CurrentMaterial.Dissolve = float.Parse(parts[1]);
break;
case "illum":
CurrentMaterial.IlluminationModel = int.Parse(parts[1]);
break;
case "Ka":
c.LoadFromStringArray(parts);
CurrentMaterial.AmbientReflectivity = c;
break;
case "Kd":
c.LoadFromStringArray(parts);
CurrentMaterial.DiffuseReflectivity = c;
break;
case "Ks":
c.LoadFromStringArray(parts);
CurrentMaterial.SpecularReflectivity = c;
break;
case "Ke":
c.LoadFromStringArray(parts);
CurrentMaterial.EmissiveCoefficient = c;
break;
case "map_Kd":
CurrentMaterial.DiffuseTextureFileName = parts[1];
break;
case "Ni":
CurrentMaterial.OpticalDensity = float.Parse(parts[1]);
break;
case "Ns":
CurrentMaterial.SpecularExponent = float.Parse(parts[1]);
break;
case "newmtl":
CurrentMaterial = new ObjMaterial();
CurrentMaterial.Name = parts[1];
MaterialList.Add(CurrentMaterial);
break;
case "Tf":
c.LoadFromStringArray(parts);
CurrentMaterial.TransmissionFilter = c;
break;
}
}
}