private static Boolean TryGetNamedMesh(BinaryReader reader,
Double fbxVersion,
FbxNodeMetaData meta,
out NamedMesh mesh)
{
var meshName = GetNameFromProperties(reader, meta);
return(TryGetNamedMesh(reader, meshName, fbxVersion, out mesh));
}
private static Boolean TryGetNamedMesh(BinaryReader reader,
String meshName,
Double fbxVersion,
out NamedMesh mesh)
{
Double[]? allMyPoints = null;
Int32[]? allMyIndeces = null;
Vector3[]? allMyVectors = null;
while (true)
{
var meta = GetNodeMeta(reader, fbxVersion);
if (meta.IsEmpty)
{
if (allMyPoints == null || allMyIndeces == null || allMyVectors == null)
{
goto fail;
}
Debug.WriteLine("mesh " + meshName + " has " + allMyVectors.Length + " vectors");
var allMyFaces = EarClipping.GetFaces(allMyVectors, allMyIndeces);
mesh = new NamedMesh(allMyVectors, allMyFaces, meshName);
return(true);
}
var nomnom = meta.GetName(reader);
switch (nomnom)
{
case "Vertices":
switch ((Char)reader.ReadByte())
{
case 'd':
allMyPoints = ReadArray(reader, br => br.ReadDouble());
allMyVectors = new Vector3[allMyPoints.Length / 3];
var i = 0;
for (var c = 0; c + 2 < allMyPoints.Length;)
{
allMyVectors[i++] = new Vector3(allMyPoints[c++],
allMyPoints[c++], allMyPoints[c++]);
}
break;
default:
throw new NotImplementedException();
}
break;
case "PolygonVertexIndex":
var doWot = (Char)reader.ReadByte();
switch (doWot)
{
case 'i':
allMyIndeces = ReadArray(reader, br => br.ReadInt32());
break;
default:
throw new NotImplementedException();
}
break;
default:
meta.SkipData(reader);
break;
}
}
fail:
mesh = default !;