// template MeshNormals
// {
// DWORD nNormals;
// array Vector normals[nNormals];
// DWORD nFaceNormals;
// array MeshFace faceNormals[nFaceNormals];
// }
/// <summary>
/// Imports the normals associated with the current mesh.
/// </summary>
private void ImportNormals()
{
tokens.ReadName();
hasNormals = true;
int numNormals = tokens.NextInt();
if (numNormals == mesh.Positions.Count)
{
normals = new Vector3[numNormals];
}
else
{
hasNormals = false;
}
for (int i = 0; i < numNormals; i++)
{
Vector3 norm = tokens.NextVector3();
if (numNormals == mesh.Positions.Count)
{
normals[i] = norm;
normals[i].Z *= -1;
}
}
int numFaces = tokens.NextInt();
for (int i = 0; i < numFaces; i++)
{
int numNormalsPerFace = tokens.NextInt();
tokens.SkipTokens(2 * numNormalsPerFace + 1);
}
// end of mesh normals
tokens.SkipToken();
}
public override NodeContent Import(string filename, ContentImporterContext context)
{
System.Threading.Thread currentThread = System.Threading.Thread.CurrentThread;
CultureInfo culture = new CultureInfo("en-US");
currentThread.CurrentCulture = culture;
currentThread.CurrentUICulture = culture;
this.fileName = filename;
this.context = context;
// Create an instance of a class that splits a .X file into tokens and provides
// functionality for iterating and parsing the tokens
tokens = new XFileTokenizer(filename);
// skip header
tokens.SkipTokens(3);
root = new NodeContent();
root.Identity = new ContentIdentity(fileName, "Animation Library XImporter");
// fill in the tree
ImportRoot();
Matrix absoluteMeshTransform = Matrix.Identity;
List <SkinTransformContent[]> skinTransforms = new List <SkinTransformContent[]>();
List <Matrix> absMeshTransforms = new List <Matrix>();
// Now that we have mapped bone names to their indices, we can create the vertices
// in each mesh so that they contain indices and weights
foreach (XMeshImporter mesh in meshes)
{
mesh.CreateGeometry();
SkinTransformContent[] meshSkinTransforms = mesh.SkinTransforms;
skinTransforms.Add(mesh.SkinTransforms);
if (mesh.SkinTransforms != null && mesh.SkinTransforms.Length > 0)
{
absoluteMeshTransform = mesh.Mesh.AbsoluteTransform;
}
absMeshTransforms.Add(mesh.Mesh.AbsoluteTransform);
}
FindBones(root);
root.OpaqueData.Add("AbsoluteMeshTransforms", absMeshTransforms);
// Calculates bind pose as required for compatibility with Xna Content DOM
Dictionary <string, Matrix> absTransformsDict = new Dictionary <string, Matrix>(skinTransforms.Count);
int k = 0;
foreach (SkinTransformContent[] sst in skinTransforms)
{
if (sst != null)
{
absoluteMeshTransform = meshes[k].Mesh.AbsoluteTransform;
foreach (SkinTransformContent st in sst)
{
Matrix abs = Matrix.Invert(Matrix.Invert(absoluteMeshTransform) * st.Transform);
absTransformsDict.Add(st.BoneName, abs);
}
}
k++;
}
FixBindPose(root, absTransformsDict);
return(root);
}