protected void getSetAttrCmds(MObject node, MStringArray cmds)
{
//
// Get rid of any garbage already in the array.
//
cmds.clear();
//
// Run through the node's attributes.
//
MFnDependencyNode nodeFn = new MFnDependencyNode(node);
uint numAttrs = nodeFn.attributeCount;
uint i;
for (i = 0; i < numAttrs; i++)
{
//
// Use the attribute ordering which Maya uses when doing I/O.
//
MObject attr = nodeFn.reorderedAttribute(i);
MFnAttribute attrFn = new MFnAttribute(attr);
bool isChild;
attrFn.parent(out isChild);
//
// We don't want attributes which are children of other attributes
// because they will be processed when we process the parent.
//
// And we only want storable attributes which accept inputs.
//
if (!isChild && attrFn.isStorable && attrFn.isWritable)
{
//
// Get a plug for the attribute.
//
MPlug plug = new MPlug(node, attr);
//
// Get setAttr commands for this attribute, and any of its
// children, which have had their values changed by the scene.
//
MStringArray newCmds = new MStringArray();
plug.getSetAttrCmds(newCmds, MPlug.MValueSelector.kChanged, false);
uint numCommands = newCmds.length;
int c;
for (c = 0; c < numCommands; c++)
{
if (newCmds[c] != "")
cmds.append(newCmds[c]);
}
}
}
}
protected void getAddAttrCmds(MObject node, MStringArray cmds)
{
//
// Run through the node's attributes.
//
MFnDependencyNode nodeFn = new MFnDependencyNode(node);
uint numAttrs = nodeFn.attributeCount;
uint i;
for (i = 0; i < numAttrs; i++)
{
//
// Use the attribute ordering which Maya uses when doing I/O.
//
MObject attr = nodeFn.reorderedAttribute(i);
//
// If this attribute has been added since the node was created,
// then we may want to write out an addAttr statement for it.
//
if (nodeFn.isNewAttribute(attr))
{
MFnAttribute attrFn = new MFnAttribute(attr);
//
// If the attribute has a parent then ignore it because it will
// be processed when we process the parent.
//
bool bFound;
attrFn.parent(out bFound);
if ( !bFound )
{
//
// If the attribute is a compound, then we can do its entire
// tree at once.
//
try
{
MFnCompoundAttribute cAttrFn = new MFnCompoundAttribute(attr);
MStringArray newCmds = new MStringArray();
cAttrFn.getAddAttrCmds(newCmds);
uint numCommands = newCmds.length;
int c;
for (c = 0; c < numCommands; c++)
{
if (newCmds[c] != "")
cmds.append(newCmds[c]);
}
}
catch (Exception)
{
string newCmd = attrFn.getAddAttrCmd();
if (newCmd != "") cmds.append(newCmd);
}
}
}
}
}