public int[] GetLongIndexData()
{
var inds = Engine_Faces.SelectMany(o => o.EngTriangles).Count() * 3;
List <int> indpoints = new List <int>();
for (int ni = 0; ni < inds; ni++)
{
indpoints.Add(ni);
}
return(indpoints.ToArray());
}
public short[] GetShortIndex()
{
var inds = Engine_Faces.SelectMany(o => o.EngTriangles).Count() * 3;
List <short> indpoints = new List <short>();
for (short ni = 0; ni < inds; ni++)
{
indpoints.Add(ni);
}
return(indpoints.ToArray());
}
internal bool GenerateTangents()
{
Logger.Log("Generating Tangents");
UseLargeIndex = true;
var vbPoints = GetVbArray();
var IndexData = GetLongIndexData();
var tangentPosition = TangentStart();
var vbSize = GetVBSize();
if (IndexData == null)
{
Logger.Log($"Maximum Limits Reached for this Model {Name}");
return(false);
}
Urho3D.GenerateTangents(vbPoints, vbSize, IndexData, IndexSize(), 0, IndexData.Length, tangentPosition);
var ps = vbPoints.ToList();
var facescount = Engine_Faces.Count;
var pointSize = Engine_Faces[0].EngTriangles[0].V1.GetSize();
var triangles = Engine_Faces.SelectMany(o => o.EngTriangles).ToList();
foreach (var engTriangle in triangles)
{
var triIndex = triangles.IndexOf(engTriangle);
int rangestart = triIndex * 3 * pointSize;
var range = ps.GetRange(rangestart, 3 * pointSize);
for (int rangeIndex = 0; rangeIndex < range.Count; rangeIndex++)
{
var triPoints = engTriangle.GetPoints();
foreach (var engPoint in triPoints)
{
engPoint.EngTangent.X = range[tangentPosition];
engPoint.EngTangent.Y = range[tangentPosition + 1];
engPoint.EngTangent.Z = range[tangentPosition + 2];
engPoint.EngTangent.L = range[tangentPosition + 3];
}
}
}
return(true);
}