public void readBinaryFile( string file )
{
// TODO: Reset data.
BinaryReader br = new BinaryReader(new FileStream(file, FileMode.Open));
// Mesh count.
int meshCount = br.ReadInt32();
// Read all meshes.
for( int currMesh = 0; currMesh < meshCount; ++currMesh )
{
MayaMesh mesh = new MayaMesh();
// Mesh name.
mesh.name = br.ReadString();
//Mesh id.
mesh.id = br.ReadInt32();
// Vertex count.
int vertexCount = br.ReadInt32();
// Read all vertices.
for( int currVert = 0; currVert < vertexCount; ++currVert )
{
Vertex vert = new Vertex();
// Read position.
vert.position.x = br.ReadSingle();
vert.position.y = br.ReadSingle();
vert.position.z = br.ReadSingle();
// Read normal.
vert.normal.x = br.ReadSingle();
vert.normal.y = br.ReadSingle();
vert.normal.z = br.ReadSingle();
// Read texcoord.
vert.texcoord.x = br.ReadSingle();
vert.texcoord.y = br.ReadSingle();
mesh.vertices.Add(vert);
}
// Read index count.
int indexCount = br.ReadInt32();
// Read all indices.
for( int currIdx = 0; currIdx < indexCount; ++currIdx )
{
mesh.indices.Add(br.ReadUInt32());
}
allMeshes.Add(mesh);
}
// Read xform count.
int xformCount = br.ReadInt32();
for( int currXform = 0; currXform < xformCount; ++currXform )
{
MayaXform xform = new MayaXform();
// Read name.
xform.name = br.ReadString();
// Read id.
xform.id = br.ReadInt32();
// Read parent id.
int parentId = br.ReadInt32();
if( parentId != -1 )
{
xform.parent = allXforms[parentId];
}
// Read matrix.
for( int x = 0; x < 4; ++x )
{
for( int y = 0; y < 4; ++y )
{
xform.matrix[x,y] = br.ReadSingle();
}
}
// Read source xform bool.
xform.isSourceXform = br.ReadBoolean();
// Read mesh id.
int meshId = br.ReadInt32();
if( meshId != -1 )
{
xform.mesh = allMeshes[meshId];
}
// Read children count.
int childCount = br.ReadInt32();
// Read all children ids.
for( int currChild = 0; currChild < childCount; ++currChild )
{
int childId = br.ReadInt32();
xform.children.Add(allXforms[childId]);
}
allXforms.Add(xform);
}
br.Close();
}
private void computeMeshData()
{
foreach( MayaMesh mesh in allMeshes )
{
// Get the Maya mesh
MFnMesh mayaMesh = new MFnMesh(mesh.mayaObjectPath);
// Does the maya mesh have UVs?
MStringArray uvSetNames = new MStringArray();
mayaMesh.getUVSetNames(uvSetNames);
bool hasUvs = (uvSetNames.length > 0) && (mayaMesh.numUVs(uvSetNames[0]) > 0);
// Iterate through all of the vertices and build the data.
MItMeshFaceVertex it = new MItMeshFaceVertex(mesh.mayaObjectPath);
while( !it.isDone )
{
// Create a new vertex and populate its data.
Vertex vert = new Vertex();
// Get the local position relative to the world origin.
MPoint mayaPos = it.position(MSpace.Space.kObject);
vert.position = new Vector3((float)mayaPos.x, (float)mayaPos.y, (float)mayaPos.z);
//vert.position = new Vector3((float)mayaPos.x - mesh.sourceXForm.mayaWorldPosition.x,
//(float)mayaPos.y - mesh.sourceXForm.mayaWorldPosition.y,
//(float)mayaPos.z - mesh.sourceXForm.mayaWorldPosition.z);
// Get the normal.
MVector mayaNrm = new MVector();
it.getNormal(mayaNrm, MSpace.Space.kObject);
vert.normal = new Vector3((float)mayaNrm.x, (float)mayaNrm.y, (float)mayaNrm.z);
// Texcoords.
if( hasUvs && it.hasUVsProperty )
{
float[] mayaUvs = new float[2];
it.getUV(mayaUvs, uvSetNames[0]);
vert.texcoord = new Vector2(mayaUvs[0], mayaUvs[1]);
}
// Append the vertex.
mesh.vertices.Add(vert);
it.next();
}
// Get all index data.
MIntArray mia1 = new MIntArray();
MIntArray mia2 = new MIntArray();
mayaMesh.getTriangleOffsets(mia1, mia2);
foreach( int idx in mia2 )
{
mesh.indices.Add((uint)idx);
}
}
}
