protected void ParseDataObjectMeshNormals(ref Mesh mesh)
{
ReadHeadOfDataObject();
// read count
uint numNormals = ReadInt();
mesh.Normals = new List<Vector3D>((int)numNormals);
// read normal vectors
for (uint a = 0; a < numNormals; a++)
mesh.Normals.Add(ReadVector3());
// read normal indices
uint numFaces = ReadInt();
if (numFaces != mesh.PosFaces.Count)
ThrowException("Normal face count does not match vertex face count.");
for (uint a = 0; a < numFaces; a++)
{
uint numIndices = ReadInt();
Face face = new Face();
face.Indices = new List<uint>();
for (uint b = 0; b < numIndices; b++)
face.Indices.Add(ReadInt());
mesh.NormalFaces.Add(face);
TestForSeparator();
}
CheckForClosingBrace();
}
protected void ParseDataObjectMesh(out Mesh mesh)
{
mesh = new Mesh();
string name;
ReadHeadOfDataObject(out name);
// read vertex count
uint numVertices = ReadInt();
mesh.Positions = new List<Vector3D>((int)numVertices);
// read vertices
for (int a = 0; a < numVertices; a++)
mesh.Positions.Add(ReadVector3());
// read position faces
uint numPosFaces = ReadInt();
mesh.PosFaces = new List<Face>((int)numPosFaces);
for (uint a = 0; a < numPosFaces; a++)
{
uint numIndices = ReadInt();
if (numIndices < 3)
ThrowException(string.Format("Invalid index count {0} for face {1}.", numIndices, a));
// read indices
Face face = new Face();
face.Indices = new List<uint>();
for (uint b = 0; b < numIndices; b++)
face.Indices.Add(ReadInt());
mesh.PosFaces.Add(face);
TestForSeparator();
}
// here, other data objects may follow
bool running = true;
while (running)
{
string objectName = GetNextToken();
if (objectName.Length == 0)
ThrowException("Unexpected end of file while parsing mesh structure");
else if (objectName == "}")
break; // mesh finished
else if (objectName == "MeshNormals")
ParseDataObjectMeshNormals(ref mesh);
else if (objectName == "MeshTextureCoords")
ParseDataObjectMeshTextureCoords(ref mesh);
else if (objectName == "MeshVertexColors")
ParseDataObjectMeshVertexColors(ref mesh);
else if (objectName == "MeshMaterialList")
ParseDataObjectMeshMaterialList(ref mesh);
else if (objectName == "VertexDuplicationIndices")
ParseUnknownDataObject(); // we'll ignore vertex duplication indices
else if (objectName == "XSkinMeshHeader")
ParseDataObjectSkinMeshHeader(ref mesh);
else if (objectName == "SkinWeights")
ParseDataObjectSkinWeights(ref mesh);
else
{
Debug.WriteLine("Unknown data object in mesh in x file");
ParseUnknownDataObject();
}
}
}
