public override void ParseFaces(Mesh parent, bool smooth)
{
int pastLastIndex = indexOfFaces + countFaces;
int[] indexs = new int[5];
MeshTriangle triangle;
for (int i = indexOfFaces; i < pastLastIndex; i++)
{
string[] tokens = fileLines[i].Split(' ');
int numVerts = Convert.ToInt32(tokens[0]);
switch (numVerts)
{
case 3: //Face is a triangle
for (int j = 1; j < 4; j++)
{
indexs[j] = Convert.ToInt32(tokens[j]);
}
//Create new triangle
if (smooth)
triangle = new SmoothMeshTriangle(parent);
else
triangle = new FlatMeshTriangle(parent);
triangle.SetVertexIndices(indexs[1], indexs[2], indexs[3]);
//Update list of faces for given vertexs using current index
parent.vertexFaces[indexs[1]].Add(parent.countTriangles);
parent.vertexFaces[indexs[2]].Add(parent.countTriangles);
parent.vertexFaces[indexs[3]].Add(parent.countTriangles);
parent.countTriangles++;
parent.AddObject(triangle);
break;
case 4: //Face is a quad
for (int j = 1; j < 5; j++)
{
indexs[j] = Convert.ToInt32(tokens[j]);
}
//Create new triangle
if (smooth)
triangle = new SmoothMeshTriangle(parent);
else
triangle = new FlatMeshTriangle(parent);
triangle.SetVertexIndices(indexs[1], indexs[2], indexs[3]);
//Update list of faces for given vertexs using current index
parent.vertexFaces[indexs[1]].Add(parent.countTriangles);
parent.vertexFaces[indexs[2]].Add(parent.countTriangles);
parent.vertexFaces[indexs[3]].Add(parent.countTriangles);
parent.countTriangles++;
parent.AddObject(triangle);
//Create new triangle
if (smooth)
triangle = new SmoothMeshTriangle(parent);
else
triangle = new FlatMeshTriangle(parent);
triangle.SetVertexIndices(indexs[3], indexs[4], indexs[1]);
//Update list of faces for given vertexs using current index
parent.vertexFaces[indexs[3]].Add(parent.countTriangles);
parent.vertexFaces[indexs[4]].Add(parent.countTriangles);
parent.vertexFaces[indexs[1]].Add(parent.countTriangles);
parent.countTriangles++;
parent.AddObject(triangle);
break;
default: //What the f**k kind of input are you feeding this poor parser?
throw new System.FormatException("Invalid token at line " + (i + 1) +
": " + numVerts + "is not a valid number of vertices for a face.");
}
}
CalculateNormals(parent);
}
