/// <summary>
/// Return the f line string (i.e. 1/1/1 2/2/2 3/3/3)
/// </summary>
/// <param name="vertIndexes"></param>
/// <param name="indexesObj"></param>
/// <returns></returns>
private static string GetDataF(VertIndexesObj vertIndexes, LocalIndexesObj indexesObj)
{
const string strSpace = " ";
string[] strIndexesF = new string[vertIndexes.VertIndexList.Count];
int i = 0;
foreach (VertIndexObj vertIndex in vertIndexes.VertIndexList)
{
int?V = vertIndex.V;
int?Vt = vertIndex.Vt;
int?Vn = vertIndex.Vn;
if (V != null)
{
V = V + 1 + indexesObj.vIndex;
}
if (Vt != null)
{
Vt = Vt + 1 + indexesObj.vtIndex;
}
if (Vn != null)
{
Vn = Vn + 1 + indexesObj.vnIndex;
}
strIndexesF[i] = GetIndexesF(V, Vt, Vn); // Add the 1/1/1
i++;
}
return(string.Join(strSpace, strIndexesF));
}
/// <summary>
/// Store the f, v, vt and vn lines into the object
/// </summary>
/// <param name="value"></param>
/// <param name="objectObj"></param>
/// <param name="allVertices"></param>
/// <param name="indexesObj"></param>
private static void VerticeData(string value, ObjectObj objectObj, AllVerticesDataObj allVertices, LocalIndexesObj indexesObj)
{
VertIndexesObj vertIndexes = new VertIndexesObj();
foreach (string indexes in ObjUtils.SplitVertData(value))
{
VertIndexObj vertIndex = new VertIndexObj();
string[] indexList = ObjUtils.SplitIndexes(indexes);
int length = indexList.Length;
for (int i = 0; i < length; i++)
{
int index = 0;
if (indexList[i] != "") // the vt line can be empty
{
if (Int32.TryParse(indexList[i], out int tmpIndex)) // Get the index
{
index = tmpIndex;
}
}
if (i == 0) // v
{
if (index != 0)
{
vertIndex.V = indexesObj.vIndex;
string vLine = allVertices.GetVIndex(index - 1); // Obj index start at 1
if (vLine != null)
{
objectObj.VerticesList.Add(new Point(vLine));
indexesObj.vIndex++;
}
}
}
else if (i == 1) // vt
{
if (index != 0)
{
vertIndex.Vt = indexesObj.vtIndex;
string vtLine = allVertices.GetVtIndex(index - 1); // Obj index start at 1
if (vtLine != null)
{
objectObj.UVsList.Add(new UVCoordinates(vtLine));
indexesObj.vtIndex++;
}
}
}
else if (i == 2) // vn
{
if (index != 0)
{
vertIndex.Vn = indexesObj.vnIndex;
string vnLine = allVertices.GetVnIndex(index - 1); // Obj index start at 1
if (vnLine != null)
{
objectObj.NormalsList.Add(new Vector(vnLine));
indexesObj.vnIndex++;
}
}
}
}
vertIndexes.VertIndexList.Add(vertIndex);
}
objectObj.VertIndexesList.Add(vertIndexes);
}
