MStatus GetAdjacency(MDagPath& pathMesh, std::vector<std::set<int> >& adjacency) {
MStatus status;
// Get mesh adjacency. The adjacency will be all vertex ids on the connected faces.
MItMeshVertex itVert(pathMesh, MObject::kNullObj, &status);
CHECK_MSTATUS_AND_RETURN_IT(status);
MFnMesh fnMesh(pathMesh, &status);
CHECK_MSTATUS_AND_RETURN_IT(status);
adjacency.resize(itVert.count());
for (; !itVert.isDone(); itVert.next()) {
MIntArray faces;
status = itVert.getConnectedFaces(faces);
CHECK_MSTATUS_AND_RETURN_IT(status);
adjacency[itVert.index()].clear();
// Put the vertex ids in a set to avoid duplicates
for (unsigned int j = 0; j < faces.length(); ++j) {
MIntArray vertices;
fnMesh.getPolygonVertices(faces[j], vertices);
for (unsigned int k = 0; k < vertices.length(); ++k) {
if (vertices[k] != itVert.index()) {
adjacency[itVert.index()].insert(vertices[k]);
}
}
}
}
return MS::kSuccess;
}
MStatus HelloWorld::doIt(const MArgList& argList) {
MGlobal::displayInfo("Hello World!");
//Get list of selected items
MSelectionList selectedItem;
//Get list of selected items for realsies
MGlobal::getActiveSelectionList(selectedItem);
MStatus stat;
//Iterate through them.
MItSelectionList it(selectedItem);
while (!it.isDone() ) {
MDagPath dagPath; //Will hold a path to the indexed object
MObject component; //List of selected components
it.getDagPath(dagPath, component);
MFnDependencyNode fn(dagPath.node());
MString status = "OBJECT: ";
status += fn.name().asChar();
MGlobal::displayInfo(status);
if (!component.isNull()) {
MGlobal::displayInfo("Is not null!");
MItMeshVertex itVert(dagPath, component, &stat);
if (stat == MS::kSuccess)
{
while (!itVert.isDone())
{
MPoint point = itVert.position(MSpace::kWorld);
MString pointStr;
pointStr += itVert.index();
pointStr += "\t";
pointStr += point.x;
point.x += 10;
pointStr += "\t";
pointStr += point.y;
pointStr += "\t";
pointStr += point.z;
MGlobal::displayInfo(pointStr);
itVert.setPosition(point, MSpace::kWorld);
itVert.next();
}
}
}
else{
MGlobal::displayInfo("Is null.. :(");
}
it.next();
}
return MS::kSuccess;
}