public Group(string name)
{
this.name = name;
faces = new List<Face>();
count = 0;
material = null;
}
private void GetMaterial(StreamReader reader, string name, Dictionary<string, Material> dict, string fileName, Dictionary<string, Texture> textureList)
{
Material material = new Material();
float[] ambient = new float[4];
float[] diffuse = new float[4];
float[] specular = new float[4];
float alpha = ambient[3] = diffuse[3] = specular[3] = 1.0f;
float shininess = 0.2f;
Material.IllumType illumType = Material.IllumType.SPECULAR;
Texture texture = null;
while (!reader.EndOfStream)
{
string line = reader.ReadLine().Trim();
string[] words = regex.Split(line);
string firstWord = words[0].ToLower();
if(firstWord.Equals("newmtl"))
{
GetMaterial(reader, words[1].Trim(), dict, fileName, textureList);
}
else if (firstWord.Equals("ka"))
{
for(int i = 0; i < 3; i++)
ambient[i] = (ToFloat(words[i+1]));
}
else if (firstWord.Equals("kd"))
{
for (int i = 0; i < 3; i++)
diffuse[i] = (ToFloat(words[i + 1]));
}
else if (firstWord.Equals("ks"))
{
for (int i = 0; i < 3; i++)
specular[i] = (ToFloat(words[i + 1]));
}
else if (firstWord.Equals("d") || firstWord.Equals("tr"))
{
alpha = ambient[3] = diffuse[3] = specular[3] = ToFloat(words[1]);
}
else if (firstWord.Equals("ns"))
{
shininess = ToFloat(words[1]);
}
else if (firstWord.Equals("illum"))
{
if (words[1].Equals("1"))
illumType = Material.IllumType.FLAT;
else if (words[1].Equals("2"))
illumType = Material.IllumType.SPECULAR;
}
else if (firstWord.Equals("map_kd") || firstWord.Equals("map_ks"))
{
int lastS = fileName.LastIndexOf('/');
string filePath = fileName.Substring(0, lastS+1);
if (words.Length > 1)
{
if (!textureList.ContainsKey(words[1]))
{
texture = new BasicTexture(new Pixmap(filePath + words[1]));
//texture = Texture.CreateFromFile(filePath + words[1]);
textureList.Add(words[1], texture);
}
else
{
texture = textureList[words[1]];
}
}
}
}
material.SetAmbient(ambient);
material.SetDiffuse(diffuse);
material.SetSpecular(specular);
material.SetAlpha(alpha);
material.SetShininess(shininess);
material.SetIllumType(illumType);
material.SetTexture(texture);
dict.Add(name, material);
}
public void SetMaterial(Material material)
{
this.material = material;
}