private bool ParseObjLine(ref string objline)
{
linePart = objline.Trim().Split(linePartSplitChar);
switch (linePart[0])
{
case O:
//buffer.AddObject(linePart[1].Trim()); We skip object seperation, to reduce object count.
//Importing large SketchupUp generated OBJ files results in an enormous amount of objects, making WebGL builds explode.
break;
case MTLLIB:
mtllib = line.Substring(linePart[0].Length + 1).Trim();
break;
case USEMTL:
buffer.AddSubMeshGroup(linePart[1].Trim());
break;
case V:
buffer.PushVertex(new Vector3(cf(linePart[1]), cf(linePart[2]), cf(linePart[3])));
break;
case VT:
buffer.PushUV(new Vector2(cf(linePart[1]), cf(linePart[2])));
break;
case VN:
buffer.PushNormal(new Vector3(cf(linePart[1]), cf(linePart[2]), cf(linePart[3])));
break;
case F:
var faces = new FaceIndices[linePart.Length - 1];
GetFaceIndices(faces, linePart);
if (linePart.Length == 4)
{
//tris
buffer.PushFace(faces[0]);
buffer.PushFace(faces[1]);
buffer.PushFace(faces[2]);
}
else if (linePart.Length == 5)
{
//quad
buffer.PushFace(faces[0]);
buffer.PushFace(faces[1]);
buffer.PushFace(faces[3]);
buffer.PushFace(faces[3]);
buffer.PushFace(faces[1]);
buffer.PushFace(faces[2]);
}
else
{
Debug.LogWarning("face vertex count :" + (linePart.Length - 1) + " larger than 4. Ngons not supported.");
return(false); //Return failure. Not triangulated.
}
break;
}
return(true);
}