public long[] GetLayerIndices(long geometryId, FbxLayerElementType layerElementType)
{
var layerElementTypeString = LayerElementTypeToString(layerElementType);
var result = new List <long>();
var geometryNode = GetGeometry(geometryId);
var layerNodes = geometryNode?.GetChildren("Layer");
if (layerNodes != null)
{
foreach (var layerNode in layerNodes)
{
var elementNodes = layerNode?.GetChildren("LayerElement");
if (elementNodes != null)
{
foreach (var elementNode in elementNodes)
{
var elementTypeToken = elementNode["Type"].FirstOrDefault()?.Value as StringToken;
if (elementTypeToken.TryGetAsString(out var elementType) && string.Equals(elementType, layerElementTypeString))
{
var indexToken = elementNode["TypedIndex"].FirstOrDefault()?.Value as IntegerToken;
if (indexToken.TryGetAsLong(out var index))
{
result.Add(index);
}
}
}
}
}
}
return(result.ToArray());
}
private string LayerElementTypeToString(FbxLayerElementType layerElementType)
{
switch (layerElementType)
{
case FbxLayerElementType.Normal:
return("LayerElementNormal");
case FbxLayerElementType.Tangent:
return("LayerElementTangent");
case FbxLayerElementType.Binormal:
return("LayerElementBinormal");
case FbxLayerElementType.TexCoord:
return("LayerElementUV");
case FbxLayerElementType.Material:
return("LayerElementMaterial");
default:
throw new NotSupportedException($"Conversion from '{layerElementType}' not supported.");
}
}