public static void LoadMTL(string path, Material parent)
{
Console.WriteLine("Loading MTL:" + path);
var parentCopy = parent;
var material = parentCopy;
if (!File.Exists(path))
{
throw new FileNotFoundException("Unable to open \"" + path + "\", does not exist.");
}
using (StreamReader streamReader = new StreamReader(path))
{
while (!streamReader.EndOfStream)
{
string[] words = streamReader.ReadLine().Split(' ');
switch (words[0])
{
case "newmtl":
parentCopy = parent;
material = parentCopy;
matList[words[1]] = material;
break;
case "Ke":
var max = Math.Max(Math.Max(float.Parse(words[1]), float.Parse(words[2])), float.Parse(words[3]));
if (max > 0)
{
material.Color = new Colour(float.Parse(words[1]) / max, float.Parse(words[2]) / max, float.Parse(words[3]) / max);
material.Emittance = max;
}
break;
case "Kd":
material.Color = new Colour(float.Parse(words[1]), float.Parse(words[2]), float.Parse(words[3]));
break;
case "map_Kd":
Console.WriteLine("map_Kd: " + Directory.GetCurrentDirectory() + "\\" + words[1]);
var kdmap = Directory.GetCurrentDirectory() + "\\" + words[1];
material.Texture = ColorTexture.GetTexture(kdmap);
break;
case "map_bump":
Console.WriteLine("map_bump: " + Directory.GetCurrentDirectory() + "\\" + words[3]);
var bumpmap = Directory.GetCurrentDirectory() + "\\" + words[3];
material.NormalTexture = ColorTexture.GetTexture(bumpmap).Pow(1 / 2.2);
break;
default:
break;
}
}
}
}
internal static ITexture GetTexture(string path)
{
if (textures.ContainsKey(path))
{
Console.WriteLine("Texture: " + path + " ... OK");
return(textures[path]);
}
else
{
Console.WriteLine("Adding texture to list...");
ITexture img = new ColorTexture().LoadTexture(path);
textures.Add(path, img);
return(img);
}
}
