//
// Write the 'connectAttr' commands for all of a node's incoming
// connections.
//
void maTranslator::writeNodeConnections(fstream& f, const MObject& node)
{
MFnDependencyNode nodeFn(node);
MPlugArray plugs;
nodeFn.getConnections(plugs);
unsigned int numBrokenConns = fBrokenConnSrcs.length();
unsigned int numPlugs = plugs.length();
unsigned int i;
for (i = 0; i < numPlugs; i++)
{
//
// We only care about connections where we are the destination.
//
MPlug destPlug = plugs[i];
MPlugArray srcPlug;
destPlug.connectedTo(srcPlug, true, false);
if (srcPlug.length() > 0)
{
MObject srcNode = srcPlug[0].node();
MFnDependencyNode srcNodeFn(srcNode);
//
// Don't write the connection if the source is not writable...
//
if (!srcNodeFn.canBeWritten()) continue;
//
// or the connection was made in a referenced file...
//
if (destPlug.isFromReferencedFile()) continue;
//
// or the plug is procedural...
//
if (destPlug.isProcedural()) continue;
//
// or it is a connection between a default node and a shared
// node (because those will get set up automatically).
//
if (srcNodeFn.isDefaultNode() && nodeFn.isShared()) continue;
f << "connectAttr \"";
//
// Default nodes get a colon at the start of their names.
//
if (srcNodeFn.isDefaultNode()) f << ":";
f << srcPlug[0].partialName(true).asChar()
<< "\" \"";
if (nodeFn.isDefaultNode()) f << ":";
f << destPlug.partialName(true).asChar()
<< "\"";
//
// If the src plug is also one from which a broken
// connection originated, then add the "-rd/referenceDest" flag
// to the command. That will help Maya to better adjust if the
// referenced file has changed the next time it is loaded.
//
if (srcNodeFn.isFromReferencedFile())
{
unsigned int j;
for (j = 0; j < numBrokenConns; j++)
{
if (fBrokenConnSrcs[j] == srcPlug[0])
{
f << " -rd \""
<< fBrokenConnDests[j].partialName(true).asChar()
<< "\"";
break;
}
}
}
//
// If the plug is locked, then add a "-l/lock" flag to the
// command.
//
if (destPlug.isLocked()) f << " -l on";
//
// If the destination attribute is a multi for which index
// does not matter, then we must add the "-na/nextAvailable"
// flag to the command.
//
MObject attr = destPlug.attribute();
MFnAttribute attrFn(attr);
if (!attrFn.indexMatters()) f << " -na";
f << ";" << endl;
}
}
}
