static Vector3 readPos(string posLine)
{
return(OBJFileReader.readVector3(posLine));
}
static Vector3 readNormal(string normalLine)
{
// vn # # #
return(OBJFileReader.readVector3(normalLine));
}
public static Material loadMaterial(string materialFileName)
{
string fullPath = dataDir + materialFileName;
StreamReader sourceFile = new StreamReader(fullPath);
string line;
string materialName = null;
bool existingFound = false;
Material newMaterial = null;
char[] space = { ' ' };
// First check if we already have this material
do
{
line = sourceFile.ReadLine();
if (line == null)
{
break;
}
else if (line.Contains("newmtl"))
{
materialName = line.Split(space)[1];
break;
}
}while (line != null);
newMaterial = getMaterialByName(materialName);
if (newMaterial != null)
{
sourceFile.Close();
return(newMaterial);
}
else
{
newMaterial = new Material();
newMaterial.materialName = materialName;
}
// Read rest of the file
// use . as separator instead of system default
System.Globalization.NumberFormatInfo nfi = new System.Globalization.CultureInfo("en-US", false).NumberFormat;
do
{
line = sourceFile.ReadLine();
if (line == null)
{
break;
}
if (line.Contains("#"))
{
// comment
}
else if (line.Contains("map_Kd"))
{
// map_Kd filename.png
newMaterial.textureName = line.Split(space)[1];
newMaterial.textureGLIndex = loadTexture(newMaterial.textureName);
}
else if (line.Contains("illum"))
{
newMaterial.illumination = Single.Parse(line.Split(space)[1], nfi);
}
else if (line.Contains("Ka"))
{
newMaterial.alpha = OBJFileReader.readVector3(line);
}
else if (line.Contains("Kd"))
{
newMaterial.diffuse = OBJFileReader.readVector3(line);
}
else if (line.Contains("Ks"))
{
newMaterial.specular = OBJFileReader.readVector3(line);
}
} while (line != null);
sourceFile.Close();
materials.Add(newMaterial);
return(newMaterial);
}
