/// <summary>
///
/// </summary>
private void ProcessLayer(FbxNode node, string layer, int[] indices, List <IOVertex> verts)
{
var normalLayers = node.GetNodesByName($"LayerElement{layer}");
foreach (var lay in normalLayers)
{
// layer index
var index = (int)lay.Properties[0];
// get data
var dataName = GetLayerNodeName(layer);
double[] data;
if (lay[$"{dataName}"].Value is double[])
{
data = (double[])lay[$"{dataName}"].Value;
}
else
{
data = lay[$"{dataName}"].Properties.Select(e => (double)e).ToArray();
}
// indexed
Dictionary <int, int> indexToDirect = new Dictionary <int, int>();
if (lay["ReferenceInformationType"].Properties[0].ToString() == "IndexToDirect")
{
int[] ind;
if (lay[$"{layer}Index"].Value is int[])
{
ind = (int[])lay[$"{layer}Index"].Value;
}
else
{
ind = lay[$"{layer}Index"].Properties.Select(e => (int)e).ToArray();
}
for (int i = 0; i < ind.Length; i++)
{
indexToDirect.Add(i, ind[i]);
}
}
// process map
for (int i = 0; i < indices.Length; i++)
{
var idx = i;
switch (lay["MappingInformationType"].Properties[0].ToString())
{
case "ByVertice":
idx = indices[i];
if (idx < 0)
{
idx = Math.Abs(idx) - 1;
}
break;
case "ByPolygonVertex":
break;
}
if (indexToDirect.ContainsKey(idx))
{
idx = indexToDirect[idx];
}
switch (layer)
{
case "Normal":
verts[i].Normal = new Vector3((float)data[idx * 3], (float)data[idx * 3 + 1], (float)data[idx * 3 + 2]);
break;
case "Tangent":
verts[i].Tangent = new Vector3((float)data[idx * 3], (float)data[idx * 3 + 1], (float)data[idx * 3 + 2]);
break;
case "Binormal":
verts[i].Binormal = new Vector3((float)data[idx * 3], (float)data[idx * 3 + 1], (float)data[idx * 3 + 2]);
break;
case "UV":
verts[i].SetUV((float)data[idx * 2], (float)data[idx * 2 + 1], index);
break;
case "Color":
verts[i].SetColor((float)data[idx * 4], (float)data[idx * 4 + 1], (float)data[idx * 4 + 2], (float)data[idx * 4 + 3], index);
break;
}
}
}
}
/// <summary>
///
/// </summary>
/// <param name="l"></param>
/// <returns></returns>
private IOBone CreateBoneFromNode(FbxNode l)
{
IOBone bone = new IOBone()
{
Name = GetNameWithoutNamespace(l.Properties[NodeDescSize - 2].ToString())
};
// scan and extract info from properties
var properties = l.GetNodesByName("P");
if (properties.Length == 0)
{
properties = l.GetNodesByName("Property");
}
Quaternion preRot = new Quaternion(0, 0, 0, 1);
Quaternion postRot = new Quaternion(0, 0, 0, 1);
foreach (var prop in properties)
{
if (prop.Properties.Count < PropertyDescSize)
{
continue;
}
if (prop.Properties[0].ToString() == "PreRotation")
{
preRot = MathExt.FromEulerAngles(
MathExt.DegToRad((float)(double)prop.Properties[PropertyDescSize]),
MathExt.DegToRad((float)(double)prop.Properties[PropertyDescSize + 1]),
MathExt.DegToRad((float)(double)prop.Properties[PropertyDescSize + 2]));
}
if (prop.Properties[0].ToString() == "PostRotation")
{
postRot = MathExt.FromEulerAngles(
MathExt.DegToRad((float)(double)prop.Properties[PropertyDescSize]),
MathExt.DegToRad((float)(double)prop.Properties[PropertyDescSize + 1]),
MathExt.DegToRad((float)(double)prop.Properties[PropertyDescSize + 2]));
}
if (prop.Properties[0].ToString() == "Lcl Translation")
{
bone.Translation = new Vector3((float)(double)prop.Properties[PropertyDescSize], (float)(double)prop.Properties[PropertyDescSize + 1], (float)(double)prop.Properties[PropertyDescSize + 2]);
}
if (prop.Properties[0].ToString() == "Lcl Rotation")
{
bone.RotationEuler = new Vector3(
MathExt.DegToRad((float)(double)prop.Properties[PropertyDescSize]),
MathExt.DegToRad((float)(double)prop.Properties[PropertyDescSize + 1]),
MathExt.DegToRad((float)(double)prop.Properties[PropertyDescSize + 2]));
}
if (prop.Properties[0].ToString() == "Lcl Scaling")
{
bone.Scale = new Vector3((float)(double)prop.Properties[PropertyDescSize], (float)(double)prop.Properties[PropertyDescSize + 1], (float)(double)prop.Properties[PropertyDescSize + 2]);
}
}
bone.Rotation = preRot * bone.Rotation * postRot;
return(bone);
}
