//======================================================================
//
// Check the parsed arguments and do/undo/redo the command as appropriate
//
void checkArgs(ref MArgDatabase argsDb)
{
MSelectionList objects = new MSelectionList();
argsDb.getObjects(objects);
for (uint i = 0; i < objects.length; ++i)
{
MDagPath dagPath = new MDagPath();
objects.getDagPath((uint)i, dagPath);
MFnDagNode dagNode = new MFnDagNode(dagPath.node);
MObject obj = dagNode.child(0);
if (obj.apiTypeStr == "kMesh")
{
fMesh = new MFnMesh(obj);
fObj = obj;
fObjTransform = dagPath.node;
}
}
if( fMesh == null || fObj == null || fObjTransform == null )
{
string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kObjectNotFoundError);
throw new ArgumentException(errMsg, "argsDb");
}
}
//======================================================================
//
// Check the parsed arguments and do/undo/redo the command as appropriate
//
void checkArgs(ref MArgDatabase argsDb)
{
MSelectionList objects = new MSelectionList();
argsDb.getObjects(objects);
for (uint i = 0; i < objects.length; ++i)
{
MDagPath dagPath = new MDagPath();
objects.getDagPath((uint)i, dagPath);
MFnDagNode dagNode = new MFnDagNode(dagPath.node);
MObject obj = dagNode.child(0);
if (obj.apiTypeStr == "kMesh")
{
fMesh = new MFnMesh(obj);
fObj = obj;
fObjTransform = dagPath.node;
}
}
if (fMesh == null || fObj == null || fObjTransform == null)
{
string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kObjectNotFoundError);
throw new ArgumentException(errMsg, "argsDb");
}
}
//======================================================================
//
// Look through the arg database and verify that the arguments are
// valid. Only checks the common flags so derived classes should call
// this parent method first before checking their own flags.
//
public virtual void checkArgs(MArgDatabase argsDb)
{
String formatType = "raw";
fSerialize = AssociationsSerializer.formatByName(formatType);
if (fSerialize == null)
{
String fmt = MStringResource.getString(MetaDataRegisterMStringResources.kMetadataFormatNotFound);
String msg = String.Format(fmt, formatType);
displayError(msg);
throw new System.ArgumentException(msg);
}
//----------------------------------------
// (selection list)
//
// Commands need at least one mesh object on which to operate so gather up
// the list of meshes specified and/or selected.
//
// Empty out the list of meshes on which to operate so that it can be
// populated from the selection or specified lists.
fMeshes.clear();
MSelectionList objects = new MSelectionList();
argsDb.getObjects(objects);
for (int i = 0; i < objects.length; ++i)
{
MDagPath dagPath = new MDagPath();
objects.getDagPath((uint)i, dagPath);
MFnDagNode dagNode = new MFnDagNode(dagPath.node);
MObject obj = dagNode.child(0);
if (obj.apiTypeStr == "kMesh")
{
MFnMesh mesh = new MFnMesh(obj);
if (mesh != null)
{
fMeshes.append(obj);
}
}
else
{
String fmt = MStringResource.getString(MetaDataRegisterMStringResources.kObjectTypeError);
String msg = String.Format(fmt, dagPath.fullPathName + "[" + obj.apiTypeStr + "]");
displayError(msg);
throw new System.InvalidOperationException(msg);
}
}
if (fMeshes.length == 0)
{
String msg = MStringResource.getString(MetaDataRegisterMStringResources.kObjectNotFoundError);
displayError(msg);
throw new System.InvalidOperationException(msg);
}
}
override public void redoIt()
{
_dagModifier.doIt();
var dagFn = new MFnDagNode(_transform);
_shape = dagFn.child(0);
_dagModifier.renameNode(_shape, "motionCameraShape");
_dagModifier.doIt();
}
//======================================================================
//
// Look through the arg database and verify that the arguments are
// valid. Only checks the common flags so derived classes should call
// this parent method first before checking their own flags.
//
public virtual void checkArgs(MArgDatabase argsDb)
{
String formatType = "raw";
fSerialize = AssociationsSerializer.formatByName( formatType );
if( fSerialize == null)
{
String fmt = MStringResource.getString(MetaDataRegisterMStringResources.kMetadataFormatNotFound);
String msg = String.Format(fmt, formatType);
displayError(msg);
throw new System.ArgumentException(msg);
}
//----------------------------------------
// (selection list)
//
// Commands need at least one mesh object on which to operate so gather up
// the list of meshes specified and/or selected.
//
// Empty out the list of meshes on which to operate so that it can be
// populated from the selection or specified lists.
fMeshes.clear();
MSelectionList objects = new MSelectionList();
argsDb.getObjects(objects);
for (int i = 0; i<objects.length; ++i)
{
MDagPath dagPath = new MDagPath();
objects.getDagPath((uint)i, dagPath);
MFnDagNode dagNode = new MFnDagNode( dagPath.node );
MObject obj = dagNode.child(0);
if (obj.apiTypeStr == "kMesh")
{
MFnMesh mesh = new MFnMesh(obj);
if(mesh != null)
fMeshes.append(obj);
}
else
{
String fmt = MStringResource.getString(MetaDataRegisterMStringResources.kObjectTypeError);
String msg = String.Format(fmt, dagPath.fullPathName + "[" + obj.apiTypeStr + "]");
displayError(msg);
throw new System.InvalidOperationException(msg);
}
}
if( fMeshes.length == 0 )
{
String msg = MStringResource.getString(MetaDataRegisterMStringResources.kObjectNotFoundError);
displayError(msg);
throw new System.InvalidOperationException(msg);
}
}
private void renameNodes(MObject transform, string baseName)
{
// Rename the transform to something we know no node will be using.
dagMod.renameNode(transform, "polyPrimitiveCmdTemp");
// Rename the mesh to the same thing but with 'Shape' on the end.
MFnDagNode dagFn = new MFnDagNode(transform);
dagMod.renameNode(dagFn.child(0), "polyPrimitiveCmdTempShape");
// Now that they are in the 'something/somethingShape' format, any
// changes we make to the name of the transform will automatically be
// propagated to the shape as well.
//
// Maya will replace the '#' in the string below with a number which
// ensures uniqueness.
string transformName = baseName + "Shape";
dagMod.renameNode(transform, baseName);
dagMod.renameNode(dagFn.child(0), transformName);
}
//======================================================================
//
// Check the parsed arguments and do/undo/redo the command as appropriate
//
void checkArgs(ref MArgDatabase argsDb)
{
//----------------------------------------
// (selection list)
//
// Commands need at least one node on which to operate so gather up
// the list of nodes specified and/or selected.
//
// Empty out the list of nodes on which to operate so that it can be
// populated from the selection or specified lists.
fNodes.clear();
MSelectionList objects = new MSelectionList();
argsDb.getObjects(objects);
for (uint i = 0; i < objects.length; ++i)
{
MDagPath dagPath = new MDagPath();
objects.getDagPath((uint)i, dagPath);
MFnDagNode dagNode = new MFnDagNode(dagPath.node);
MObject obj = dagNode.child(0);
if (obj.apiTypeStr == "kMesh")
{
if (obj == MObject.kNullObj)
{
throw new ApplicationException("Error: objects.getDependNode() ");
}
fNodes.append(dagPath.node);
}
else
{
String fmt = MStringResource.getString(MetaDataRegisterMStringResources.kObjectTypeError);
String msg = String.Format(fmt, dagPath.fullPathName + "[" + obj.apiTypeStr + "]");
displayError(msg);
throw new System.InvalidOperationException(msg);
}
}
if (fNodes.length == 0)
{
string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kObjectNotFoundError);
throw new ArgumentException(errMsg, "argsDb");
}
}
private void setMeshData(MObject transform, MObject dataWrapper)
{
// Get the mesh node.
MFnDagNode dagFn = new MFnDagNode(transform);
MObject mesh = dagFn.child(0);
// The mesh node has two geometry inputs: 'inMesh' and 'cachedInMesh'.
// 'inMesh' is only used when it has an incoming connection, otherwise
// 'cachedInMesh' is used. Unfortunately, the docs say that 'cachedInMesh'
// is for internal use only and that changing it may render Maya
// unstable.
//
// To get around that, we do the little dance below...
// Use a temporary MDagModifier to create a temporary mesh attribute on
// the node.
MFnTypedAttribute tAttr = new MFnTypedAttribute();
MObject tempAttr = tAttr.create("tempMesh", "tmpm", MFnData.Type.kMesh);
MDagModifier tempMod = new MDagModifier();
tempMod.addAttribute(mesh, tempAttr);
tempMod.doIt();
// Set the geometry data onto the temp attribute.
dagFn.setObject(mesh);
MPlug tempPlug = dagFn.findPlug(tempAttr);
tempPlug.setValue(dataWrapper);
// Use the temporary MDagModifier to connect the temp attribute to the
// node's 'inMesh'.
MPlug inMeshPlug = dagFn.findPlug("inMesh");
tempMod.connect(tempPlug, inMeshPlug);
tempMod.doIt();
// Force the mesh to update by grabbing its output geometry.
dagFn.findPlug("outMesh").asMObject();
// Undo the temporary modifier.
tempMod.undoIt();
}
private void linkXformsMeshes()
{
foreach (MayaXform xform in allXforms)
{
// Convert to a DAG node to traverse children.
MFnDagNode dagNode = new MFnDagNode(xform.mayaObjectPath);
for (uint childIdx = 0; childIdx < dagNode.childCount; ++childIdx)
{
MObject childObj = dagNode.child(childIdx);
// If the child has a mesh, link it.
if (childObj.hasFn(MFn.Type.kMesh))
{
xform.mesh = pathMeshMap[(new MFnMesh(childObj)).fullPathName];
break;
}
}
}
}
//======================================================================
//
// Check the parsed arguments and do/undo/redo the command as appropriate
//
void checkArgs(ref MArgDatabase argsDb)
{
//----------------------------------------
// (selection list)
//
// Commands need at least one node on which to operate so gather up
// the list of nodes specified and/or selected.
//
// Empty out the list of nodes on which to operate so that it can be
// populated from the selection or specified lists.
fNodes.clear();
MSelectionList objects = new MSelectionList();
argsDb.getObjects(objects);
for (uint i = 0; i < objects.length; ++i)
{
MDagPath dagPath = new MDagPath();
objects.getDagPath((uint)i, dagPath);
MFnDagNode dagNode = new MFnDagNode(dagPath.node);
MObject obj = dagNode.child(0);
if (obj.apiTypeStr == "kMesh")
{
if (obj == MObject.kNullObj)
{
throw new ApplicationException("Error: objects.getDependNode() ");
}
fNodes.append(dagPath.node);
}
else
{
String fmt = MStringResource.getString(MetaDataRegisterMStringResources.kObjectTypeError);
String msg = String.Format(fmt, dagPath.fullPathName + "[" + obj.apiTypeStr + "]");
displayError(msg);
throw new System.InvalidOperationException(msg);
}
}
if (fNodes.length == 0)
{
string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kObjectNotFoundError);
throw new ArgumentException(errMsg, "argsDb");
}
}
private void processXform(MayaXform xform)
{
// Add the current Xform to the list of all xforms.
allXforms.Add(xform);
// Set the Xform's id.
xform.id = allXforms.Count - 1;
// Add the current Xform to the map based on its path.
pathXformMap[xform.name] = xform;
// Build data for this xform.
if (!xform.isRoot)
{
getXformData(xform);
}
MFnDagNode dagNode = new MFnDagNode(xform.mayaObjectPath);
for (uint childIdx = 0; childIdx < dagNode.childCount; ++childIdx)
{
// If the child isn't a transform node, or it is a kManipulator3D (maya api bug), skip it.
MObject childObj = dagNode.child(childIdx);
if (!childObj.hasFn(MFn.Type.kTransform) || childObj.hasFn(MFn.Type.kManipulator3D))
{
continue;
}
// Create a node for the child transform, parent it to this xform, and process the child's children.
MFnDagNode childNode = new MFnDagNode(childObj);
// Strip out nodes we don't care about.
if (xformsToIgnore.Contains(childNode.fullPathName))
{
continue;
}
MayaXform childXform = new MayaXform();
childXform.name = childNode.fullPathName;
childNode.getPath(childXform.mayaObjectPath);
childXform.parent = xform;
xform.children.Add(childXform);
processXform(childXform);
}
}
private void assignShadingGroup(MObject transform, string groupName)
{
// Get the name of the mesh node.
//
// We need to use an MFnDagNode rather than an MFnMesh because the mesh
// is not fully realized at this point and would be rejected by MFnMesh.
MFnDagNode dagFn = new MFnDagNode(transform);
dagFn.setObject(dagFn.child(0));
string meshName = dagFn.name;
// Use the DAG modifier to put the mesh into a shading group
string cmd = "sets -e -fe ";
cmd += groupName + " " + meshName;
dagMod.commandToExecute(cmd);
// Use the DAG modifier to select the new mesh.
cmd = "select " + meshName;
dagMod.commandToExecute(cmd);
}
//======================================================================
//
// Do the metadata creation. The metadata will be randomly initialized
// based on the channel type and the structure specified. For recognized
// components the number of metadata elements will correspond to the count
// of components in the selected mesh, otherwise a random number of metadata
// elements between 1 and 100 will be created (at consecutive indices).
//
// The previously existing metadata is preserved for later undo.
//
override public void doIt(MArgList args)
{
MArgDatabase argsDb = new MArgDatabase(syntax, args);
checkArgs(ref argsDb);
clearResult();
uint numNodes = fNodes.length;
for ( int i = 0; i < numNodes; ++i)
{
// fNodes[i] is the transform not the shape itself
MFnDagNode dagNode = new MFnDagNode(fNodes[i]);
MObject obj = dagNode.child(0);
// obj is the shape, which is where we can add the meta data
MFnDependencyNode node = new MFnDependencyNode(obj);
Console.WriteLine( "METADATA for node " + dagNode.fullPathName );
Console.WriteLine( "=====================================================================" );
foreach( Channel chn in node.metadata)
{
Console.WriteLine("Channel: type = {0}, nbStreams = {1}", chn.nameProperty, chn.dataStreamCount);
foreach (Stream strm in chn)
{
Console.WriteLine("Stream: name = {0}, nbElements = {1}", strm.name, strm.elementCount() );
Structure strct = strm.structure;
Console.WriteLine("Structure: name = {0}, nbMembers = {1}", strct.name, strct.memberCount );
string[] memberNames = new string[strct.memberCount];
int memberID = -1;
foreach( Member member in strct )
{
++memberID;
Console.WriteLine("Structure member: name = {0}, type = {1}, array size = {2}", member.nameProperty, member.typeProperty.ToString(), member.lengthProperty );
memberNames[memberID] = member.nameProperty;
}
int k = -1;
foreach (Handle handle in strm)
{
++k;
for (uint n = 0; n < strct.memberCount; ++n)
{
handle.setPositionByMemberIndex(n);
Array data = handle.asType;
if( data.Length < 1 )
throw new ApplicationException( "Handle data seems corrupted" );
string line = string.Format( "Handle #{0}, member = {1}, data = {2}", k, memberNames[n], data.GetValue(0).ToString() );
if( data.Length > 1 )
{
for( int d = 1; d < data.Length; ++d )
{
line = line + "," + data.GetValue(d).ToString();
}
}
Console.WriteLine( line );
}
}
}
}
}
}
//======================================================================
//
// Check the parsed arguments and do/undo/redo the command as appropriate
//
void checkArgs(ref MArgDatabase argsDb)
{
//----------------------------------------
// -structure flag
//
fStructureFlag.parse(ref argsDb, flagStructure);
if (fStructureFlag.isSet())
{
if (!fStructureFlag.isArgValid())
{
string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kInvalidString);
throw new ArgumentException(errMsg, "argsDb");
}
string structureName = fStructureFlag.arg();
try
{
fStructure = Structure.structureByName(structureName);
}
catch (System.Exception)
{
string msgFmt = MStringResource.getString(MetaDataRegisterMStringResources.kCreateMetadataStructureNotFound);
throw new ArgumentException(String.Format(msgFmt, structureName), "argsDb");
}
}
else
{
string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kCreateMetadataNoStructureName);
throw new ArgumentException(errMsg, "argsDb");
}
//----------------------------------------
// -streamName flag
//
fStreamNameFlag.parse(ref argsDb, flagStreamName);
if (fStreamNameFlag.isSet())
{
if (!fStreamNameFlag.isArgValid())
{
string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kInvalidString);
throw new ArgumentException(errMsg, "argsDb");
}
fStreamName = fStreamNameFlag.arg();
}
else
{
string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kCreateMetadataNoStructureName);
throw new ArgumentException(errMsg, "argsDb");
}
//----------------------------------------
// -channelType flag
//
fChannelTypeFlag.parse(ref argsDb, flagChannelType);
if (fChannelTypeFlag.isSet())
{
if (!fChannelTypeFlag.isArgValid())
{
string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kInvalidString);
throw new ArgumentException(errMsg, "argsDb");
}
fChannelType = fChannelTypeFlag.arg();
}
else
{
string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kCreateMetadataNoStructureName);
throw new ArgumentException(errMsg, "argsDb");
}
//----------------------------------------
// (selection list)
//
// Commands need at least one node on which to operate so gather up
// the list of nodes specified and/or selected.
//
// Empty out the list of nodes on which to operate so that it can be
// populated from the selection or specified lists.
fNodes.clear();
MSelectionList objects = new MSelectionList();
argsDb.getObjects(objects);
for (uint i = 0; i < objects.length; ++i)
{
MDagPath dagPath = new MDagPath();
objects.getDagPath((uint)i, dagPath);
MFnDagNode dagNode = new MFnDagNode(dagPath.node);
MObject obj = dagNode.child(0);
if (obj.apiTypeStr == "kMesh")
{
if (obj == MObject.kNullObj)
{
throw new ApplicationException("Error: objects.getDependNode() ");
}
fNodes.append(dagPath.node);
}
else
{
String fmt = MStringResource.getString(MetaDataRegisterMStringResources.kObjectTypeError);
String msg = String.Format(fmt, dagPath.fullPathName + "[" + obj.apiTypeStr + "]");
displayError(msg);
throw new System.InvalidOperationException(msg);
}
}
if (fNodes.length == 0)
{
string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kObjectNotFoundError);
throw new ArgumentException(errMsg, "argsDb");
}
}
//======================================================================
//
// Do the metadata creation. The metadata will be randomly initialized
// based on the channel type and the structure specified. For recognized
// components the number of metadata elements will correspond to the count
// of components in the selected mesh, otherwise a random number of metadata
// elements between 1 and 100 will be created (at consecutive indices).
//
// The previously existing metadata is preserved for later undo.
//
override public void doIt(MArgList args)
{
MArgDatabase argsDb = new MArgDatabase(syntax, args);
checkArgs(ref argsDb);
clearResult();
uint numNodes = fNodes.length;
int i;
for (i = 0; i < numNodes; ++i)
{
// fNodes[i] is the transform not the shape itself
MFnDagNode dagNode = new MFnDagNode(fNodes[i]);
MObject obj = dagNode.child(0);
// obj is the shape, which is where we can add the meta data
MFnDependencyNode node = new MFnDependencyNode(obj);
// Get the current metadata (empty if none yet)
Associations newMetadata = new Associations(node.metadata);
Channel newChannel = newMetadata.channel(fChannelType);
// Check to see if the requested stream name already exists
Stream oldStream = newChannel.dataStream(fStreamName);
if (oldStream != null)
{
string fmt = MStringResource.getString(MetaDataRegisterMStringResources.kCreateMetadataHasStream);
string msg = String.Format(fmt, fStreamName);
MGlobal.displayError(msg);
continue;
}
Stream newStream = new Stream(fStructure, fStreamName);
string strmName = newStream.name;
int indexCount = 0;
MFnMesh mesh = null;
Random rndIndexCount = new Random();
// Treat the channel type initializations different for meshes
if (obj.hasFn(MFn.Type.kMesh))
{
mesh = new MFnMesh(obj);
// Get mesh-specific channel type parameters
if (fChannelType == "face")
{
indexCount = mesh.numPolygons;
}
else if (fChannelType == "edge")
{
indexCount = mesh.numEdges;
}
else if (fChannelType == "vertex")
{
indexCount = mesh.numVertices;
}
else if (fChannelType == "vertexFace")
{
indexCount = mesh.numFaceVertices;
}
else
{
// Set a random number between 1 to 100
indexCount = rndIndexCount.Next(1, 100);
}
}
else
{
// Create generic channel type information
indexCount = rndIndexCount.Next(1, 100);
}
// Fill specified stream ranges with random data
int structureMemberCount = fStructure.memberCount;
uint m, n, d;
Random rnd = new Random();
for (m = 0; m < indexCount; ++m)
{
// Walk each structure member and fill with random data
// tailored to the member data type.
Handle handle = new Handle(fStructure);
for (n = 0; n < structureMemberCount; ++n)
{
handle.setPositionByMemberIndex(n);
switch (handle.dataType)
{
case Member.eDataType.kBoolean:
{
bool[] data = new bool[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
int randomInt = rnd.Next(0, 2);
bool randomBool = randomInt == 1 ? true : false;
data[d] = randomBool;
}
handle.asBooleanArray = data;
break;
}
case Member.eDataType.kDouble:
{
double[] data = new double[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
// Set a random number between -2000000000.0.0 and 2000000000.0.0
data[d] = rnd.NextDouble() * 4000000000.0 - 2000000000.0;
}
handle.asDoubleArray = data;
break;
}
case Member.eDataType.kDoubleMatrix4x4:
{
double[] data = new double[handle.dataLength * 16];
for (d = 0; d < handle.dataLength; ++d)
{
data[d * 16 + 0] = rnd.NextDouble() * 4000000000.0 - 2000000000.0;
data[d * 16 + 1] = rnd.NextDouble() * 4000000000.0 - 2000000000.0;
data[d * 16 + 2] = rnd.NextDouble() * 4000000000.0 - 2000000000.0;
data[d * 16 + 3] = rnd.NextDouble() * 4000000000.0 - 2000000000.0;
data[d * 16 + 4] = rnd.NextDouble() * 4000000000.0 - 2000000000.0;
data[d * 16 + 5] = rnd.NextDouble() * 4000000000.0 - 2000000000.0;
data[d * 16 + 6] = rnd.NextDouble() * 4000000000.0 - 2000000000.0;
data[d * 16 + 7] = rnd.NextDouble() * 4000000000.0 - 2000000000.0;
data[d * 16 + 8] = rnd.NextDouble() * 4000000000.0 - 2000000000.0;
data[d * 16 + 9] = rnd.NextDouble() * 4000000000.0 - 2000000000.0;
data[d * 16 + 10] = rnd.NextDouble() * 4000000000.0 - 2000000000.0;
data[d * 16 + 11] = rnd.NextDouble() * 4000000000.0 - 2000000000.0;
data[d * 16 + 12] = rnd.NextDouble() * 4000000000.0 - 2000000000.0;
data[d * 16 + 13] = rnd.NextDouble() * 4000000000.0 - 2000000000.0;
data[d * 16 + 14] = rnd.NextDouble() * 4000000000.0 - 2000000000.0;
data[d * 16 + 15] = rnd.NextDouble() * 4000000000.0 - 2000000000.0;
}
handle.asDoubleMatrix4x4 = data;
break;
}
case Member.eDataType.kFloat:
{
float[] data = new float[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
// Set a random number between -2000000.0 and 2000000.0
data[d] = (float)rnd.NextDouble() * 4000000.0f - 2000000.0f;
}
handle.asFloatArray = data;
break;
}
case Member.eDataType.kFloatMatrix4x4:
{
float[] data = new float[handle.dataLength * 16];
for (d = 0; d < handle.dataLength; ++d)
{
// Set a random number between -2000000.0 and 2000000.0
data[d * 16 + 0] = (float)rnd.NextDouble() * 4000000.0f - 2000000.0f;
data[d * 16 + 1] = (float)rnd.NextDouble() * 4000000.0f - 2000000.0f;
data[d * 16 + 2] = (float)rnd.NextDouble() * 4000000.0f - 2000000.0f;
data[d * 16 + 3] = (float)rnd.NextDouble() * 4000000.0f - 2000000.0f;
data[d * 16 + 4] = (float)rnd.NextDouble() * 4000000.0f - 2000000.0f;
data[d * 16 + 5] = (float)rnd.NextDouble() * 4000000.0f - 2000000.0f;
data[d * 16 + 6] = (float)rnd.NextDouble() * 4000000.0f - 2000000.0f;
data[d * 16 + 7] = (float)rnd.NextDouble() * 4000000.0f - 2000000.0f;
data[d * 16 + 8] = (float)rnd.NextDouble() * 4000000.0f - 2000000.0f;
data[d * 16 + 9] = (float)rnd.NextDouble() * 4000000.0f - 2000000.0f;
data[d * 16 + 10] = (float)rnd.NextDouble() * 4000000.0f - 2000000.0f;
data[d * 16 + 11] = (float)rnd.NextDouble() * 4000000.0f - 2000000.0f;
data[d * 16 + 12] = (float)rnd.NextDouble() * 4000000.0f - 2000000.0f;
data[d * 16 + 13] = (float)rnd.NextDouble() * 4000000.0f - 2000000.0f;
data[d * 16 + 14] = (float)rnd.NextDouble() * 4000000.0f - 2000000.0f;
data[d * 16 + 15] = (float)rnd.NextDouble() * 4000000.0f - 2000000.0f;
}
handle.asFloatMatrix4x4 = data;
break;
}
case Member.eDataType.kInt8:
{
sbyte[] data = new sbyte[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
data[d] = (sbyte)rnd.Next(SByte.MinValue, SByte.MaxValue + 1);
}
handle.asInt8Array = data;
break;
}
case Member.eDataType.kInt16:
{
short[] data = new short[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
data[d] = (short)rnd.Next(Int16.MinValue, Int16.MaxValue + 1);
}
handle.asInt16Array = data;
break;
}
case Member.eDataType.kInt32:
{
int[] data = new int[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
// rnd.Next returns a number between [arg1,arg2[
// but unfortunately I can't pass Int32.MaxValue+1 here....
data[d] = rnd.Next(Int32.MinValue, Int32.MaxValue);
}
handle.asInt32Array = data;
break;
}
case Member.eDataType.kInt64:
{
long[] data = new long[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
// rnd.Next() gives a number between [0,Int32
data[d] = (long)rnd.Next(Int32.MinValue, Int32.MaxValue);
if (data[d] >= 0)
{
data[d] *= Int64.MaxValue / Int32.MaxValue;
}
else
{
data[d] *= Int64.MinValue / Int32.MinValue;
}
}
handle.asInt64Array = data;
break;
}
case Member.eDataType.kUInt8:
{
byte[] data = new byte[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
data[d] = (byte)rnd.Next(0, Byte.MaxValue + 1);
}
handle.asUInt8Array = data;
break;
}
case Member.eDataType.kUInt16:
{
ushort[] data = new ushort[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
data[d] = (ushort)rnd.Next(0, UInt16.MaxValue + 1);
}
handle.asUInt16Array = data;
break;
}
case Member.eDataType.kUInt32:
{
uint[] data = new uint[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
data[d] = (uint)rnd.Next();
}
handle.asUInt32Array = data;
break;
}
case Member.eDataType.kUInt64:
{
ulong[] data = new ulong[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
data[d] = ((ulong)rnd.Next()) * UInt64.MaxValue / UInt32.MaxValue;
}
handle.asUInt64Array = data;
break;
}
case Member.eDataType.kString:
{
string[] randomStrings = new string[] { "banana", "tomatoe", "apple", "pineapple", "apricot", "pepper", "olive", "grapefruit" };
string[] data = new string[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
int index = rnd.Next(randomStrings.Length);
data[d] = randomStrings[index];
}
handle.asStringArray = data;
break;
}
default:
{
Debug.Assert(false, "This should never happen");
break;
}
}
}
newStream.setElement(new Index(m), handle);
}
newChannel.setDataStream(newStream);
newMetadata.setChannel(newChannel);
// Note: the following will not work if "obj" is a shape constructed by a source object
// You need to delete the history of the shape before calling this...
fDGModifier.setMetadata(obj, newMetadata);
fDGModifier.doIt();
// Set the result to the number of actual metadata values set as a
// triple value:
// (# nodes, # metadata elements, # members per element)
//
MIntArray theResult = new MIntArray();
theResult.append((int)fNodes.length);
theResult.append((int)indexCount);
theResult.append((int)structureMemberCount);
setResult(theResult);
}
}
private void setMeshData(MObject transform, MObject dataWrapper)
{
// Get the mesh node.
MFnDagNode dagFn = new MFnDagNode(transform);
MObject mesh = dagFn.child(0);
// The mesh node has two geometry inputs: 'inMesh' and 'cachedInMesh'.
// 'inMesh' is only used when it has an incoming connection, otherwise
// 'cachedInMesh' is used. Unfortunately, the docs say that 'cachedInMesh'
// is for internal use only and that changing it may render Maya
// unstable.
//
// To get around that, we do the little dance below...
// Use a temporary MDagModifier to create a temporary mesh attribute on
// the node.
MFnTypedAttribute tAttr = new MFnTypedAttribute();
MObject tempAttr = tAttr.create("tempMesh", "tmpm", MFnData.Type.kMesh);
MDagModifier tempMod = new MDagModifier();
tempMod.addAttribute(mesh, tempAttr);
tempMod.doIt();
// Set the geometry data onto the temp attribute.
dagFn.setObject(mesh);
MPlug tempPlug = dagFn.findPlug(tempAttr);
tempPlug.setValue(dataWrapper);
// Use the temporary MDagModifier to connect the temp attribute to the
// node's 'inMesh'.
MPlug inMeshPlug = dagFn.findPlug("inMesh");
tempMod.connect(tempPlug, inMeshPlug);
tempMod.doIt();
// Force the mesh to update by grabbing its output geometry.
dagFn.findPlug("outMesh").asMObject();
// Undo the temporary modifier.
tempMod.undoIt();
}
private void processXform( MayaXform xform )
{
// Add the current Xform to the list of all xforms.
allXforms.Add(xform);
// Set the Xform's id.
xform.id = allXforms.Count - 1;
// Add the current Xform to the map based on its path.
pathXformMap[xform.name] = xform;
// Build data for this xform.
if( !xform.isRoot )
{
getXformData(xform);
}
MFnDagNode dagNode = new MFnDagNode(xform.mayaObjectPath);
for( uint childIdx = 0; childIdx < dagNode.childCount; ++childIdx )
{
// If the child isn't a transform node, or it is a kManipulator3D (maya api bug), skip it.
MObject childObj = dagNode.child(childIdx);
if( !childObj.hasFn(MFn.Type.kTransform) || childObj.hasFn(MFn.Type.kManipulator3D) )
{
continue;
}
// Create a node for the child transform, parent it to this xform, and process the child's children.
MFnDagNode childNode = new MFnDagNode(childObj);
// Strip out nodes we don't care about.
if( xformsToIgnore.Contains(childNode.fullPathName) )
{
continue;
}
MayaXform childXform = new MayaXform();
childXform.name = childNode.fullPathName;
childNode.getPath(childXform.mayaObjectPath);
childXform.parent = xform;
xform.children.Add(childXform);
processXform(childXform);
}
}
private void assignShadingGroup(MObject transform, string groupName)
{
// Get the name of the mesh node.
//
// We need to use an MFnDagNode rather than an MFnMesh because the mesh
// is not fully realized at this point and would be rejected by MFnMesh.
MFnDagNode dagFn = new MFnDagNode(transform);
dagFn.setObject(dagFn.child(0));
string meshName = dagFn.name;
// Use the DAG modifier to put the mesh into a shading group
string cmd = "sets -e -fe ";
cmd += groupName + " " + meshName;
dagMod.commandToExecute(cmd);
// Use the DAG modifier to select the new mesh.
cmd = "select " + meshName;
dagMod.commandToExecute(cmd);
}
//======================================================================
//
// Do the metadata creation. The metadata will be randomly initialized
// based on the channel type and the structure specified. For recognized
// components the number of metadata elements will correspond to the count
// of components in the selected mesh, otherwise a random number of metadata
// elements between 1 and 100 will be created (at consecutive indices).
//
// The previously existing metadata is preserved for later undo.
//
override public void doIt(MArgList args)
{
MArgDatabase argsDb = new MArgDatabase(syntax, args);
checkArgs(ref argsDb);
clearResult();
uint numNodes = fNodes.length;
for (int i = 0; i < numNodes; ++i)
{
// fNodes[i] is the transform not the shape itself
MFnDagNode dagNode = new MFnDagNode(fNodes[i]);
MObject obj = dagNode.child(0);
// obj is the shape, which is where we can add the meta data
MFnDependencyNode node = new MFnDependencyNode(obj);
Console.WriteLine("METADATA for node " + dagNode.fullPathName);
Console.WriteLine("=====================================================================");
foreach (Channel chn in node.metadata)
{
Console.WriteLine("Channel: type = {0}, nbStreams = {1}", chn.nameProperty, chn.dataStreamCount);
foreach (Stream strm in chn)
{
Console.WriteLine("Stream: name = {0}, nbElements = {1}", strm.name, strm.elementCount());
Structure strct = strm.structure;
Console.WriteLine("Structure: name = {0}, nbMembers = {1}", strct.name, strct.memberCount);
string[] memberNames = new string[strct.memberCount];
int memberID = -1;
foreach (Member member in strct)
{
++memberID;
Console.WriteLine("Structure member: name = {0}, type = {1}, array size = {2}", member.nameProperty, member.typeProperty.ToString(), member.lengthProperty);
memberNames[memberID] = member.nameProperty;
}
int k = -1;
foreach (Handle handle in strm)
{
++k;
for (uint n = 0; n < strct.memberCount; ++n)
{
handle.setPositionByMemberIndex(n);
Array data = handle.asType;
if (data.Length < 1)
{
throw new ApplicationException("Handle data seems corrupted");
}
string line = string.Format("Handle #{0}, member = {1}, data = {2}", k, memberNames[n], data.GetValue(0).ToString());
if (data.Length > 1)
{
for (int d = 1; d < data.Length; ++d)
{
line = line + "," + data.GetValue(d).ToString();
}
}
Console.WriteLine(line);
}
}
}
}
}
}
//======================================================================
//
// Do the metadata creation. The metadata will be randomly initialized
// based on the channel type and the structure specified. For recognized
// components the number of metadata elements will correspond to the count
// of components in the selected mesh, otherwise a random number of metadata
// elements between 1 and 100 will be created (at consecutive indices).
//
// The previously existing metadata is preserved for later undo.
//
override public void doIt(MArgList args)
{
MArgDatabase argsDb = new MArgDatabase(syntax, args);
checkArgs(ref argsDb);
clearResult();
uint numNodes = fNodes.length;
int i;
for (i = 0; i < numNodes; ++i)
{
// fNodes[i] is the transform not the shape itself
MFnDagNode dagNode = new MFnDagNode(fNodes[i]);
MObject obj = dagNode.child(0);
// obj is the shape, which is where we can add the meta data
MFnDependencyNode node = new MFnDependencyNode(obj);
// Get the current metadata (empty if none yet)
Associations newMetadata = new Associations(node.metadata);
Channel newChannel = newMetadata.channel(fChannelType);
// Check to see if the requested stream name already exists
Stream oldStream = newChannel.dataStream(fStreamName);
if (oldStream != null)
{
string fmt = MStringResource.getString(MetaDataRegisterMStringResources.kCreateMetadataHasStream);
string msg = String.Format(fmt, fStreamName);
MGlobal.displayError( msg );
continue;
}
Stream newStream = new Stream(fStructure, fStreamName);
string strmName = newStream.name;
int indexCount = 0;
MFnMesh mesh = null;
Random rndIndexCount = new Random();
// Treat the channel type initializations different for meshes
if (obj.hasFn(MFn.Type.kMesh))
{
mesh = new MFnMesh(obj);
// Get mesh-specific channel type parameters
if (fChannelType == "face")
{
indexCount = mesh.numPolygons;
}
else if (fChannelType == "edge")
{
indexCount = mesh.numEdges;
}
else if (fChannelType == "vertex")
{
indexCount = mesh.numVertices;
}
else if (fChannelType == "vertexFace")
{
indexCount = mesh.numFaceVertices;
}
else
{
// Set a random number between 1 to 100
indexCount = rndIndexCount.Next(1, 100);
}
}
else
{
// Create generic channel type information
indexCount = rndIndexCount.Next(1, 100);
}
// Fill specified stream ranges with random data
int structureMemberCount = fStructure.memberCount;
uint m,n,d;
Random rnd = new Random();
for (m = 0; m < indexCount; ++m)
{
// Walk each structure member and fill with random data
// tailored to the member data type.
Handle handle = new Handle(fStructure);
for (n = 0; n < structureMemberCount; ++n)
{
handle.setPositionByMemberIndex(n);
switch (handle.dataType)
{
case Member.eDataType.kBoolean:
{
bool[] data = new bool[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
int randomInt = rnd.Next(0, 2);
bool randomBool = randomInt == 1 ? true : false;
data[d] = randomBool;
}
handle.asBooleanArray = data;
break;
}
case Member.eDataType.kDouble:
{
double[] data = new double[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
// Set a random number between -2000000000.0.0 and 2000000000.0.0
data[d] = rnd.NextDouble()*4000000000.0 - 2000000000.0 ;
}
handle.asDoubleArray = data;
break;
}
case Member.eDataType.kDoubleMatrix4x4:
{
double[] data = new double[handle.dataLength * 16];
for (d = 0; d < handle.dataLength; ++d)
{
data[d*16+0] = rnd.NextDouble()*4000000000.0 - 2000000000.0 ;
data[d*16+1] = rnd.NextDouble()*4000000000.0 - 2000000000.0 ;
data[d*16+2] = rnd.NextDouble()*4000000000.0 - 2000000000.0 ;
data[d*16+3] = rnd.NextDouble()*4000000000.0 - 2000000000.0 ;
data[d*16+4] = rnd.NextDouble()*4000000000.0 - 2000000000.0 ;
data[d*16+5] = rnd.NextDouble()*4000000000.0 - 2000000000.0 ;
data[d*16+6] = rnd.NextDouble()*4000000000.0 - 2000000000.0 ;
data[d*16+7] = rnd.NextDouble()*4000000000.0 - 2000000000.0 ;
data[d*16+8] = rnd.NextDouble()*4000000000.0 - 2000000000.0 ;
data[d*16+9] = rnd.NextDouble()*4000000000.0 - 2000000000.0 ;
data[d*16+10] = rnd.NextDouble()*4000000000.0 - 2000000000.0 ;
data[d*16+11] = rnd.NextDouble()*4000000000.0 - 2000000000.0 ;
data[d*16+12] = rnd.NextDouble()*4000000000.0 - 2000000000.0 ;
data[d*16+13] = rnd.NextDouble()*4000000000.0 - 2000000000.0 ;
data[d*16+14] = rnd.NextDouble()*4000000000.0 - 2000000000.0 ;
data[d*16+15] = rnd.NextDouble()*4000000000.0 - 2000000000.0 ;
}
handle.asDoubleMatrix4x4 = data;
break;
}
case Member.eDataType.kFloat:
{
float[] data = new float[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
// Set a random number between -2000000.0 and 2000000.0
data[d] = (float)rnd.NextDouble()*4000000.0f - 2000000.0f ;
}
handle.asFloatArray = data;
break;
}
case Member.eDataType.kFloatMatrix4x4:
{
float[] data = new float[handle.dataLength * 16];
for (d = 0; d < handle.dataLength; ++d)
{
// Set a random number between -2000000.0 and 2000000.0
data[d*16+0] = (float)rnd.NextDouble()*4000000.0f - 2000000.0f ;
data[d*16+1] = (float)rnd.NextDouble()*4000000.0f - 2000000.0f ;
data[d*16+2] = (float)rnd.NextDouble()*4000000.0f - 2000000.0f ;
data[d*16+3] = (float)rnd.NextDouble()*4000000.0f - 2000000.0f ;
data[d*16+4] = (float)rnd.NextDouble()*4000000.0f - 2000000.0f ;
data[d*16+5] = (float)rnd.NextDouble()*4000000.0f - 2000000.0f ;
data[d*16+6] = (float)rnd.NextDouble()*4000000.0f - 2000000.0f ;
data[d*16+7] = (float)rnd.NextDouble()*4000000.0f - 2000000.0f ;
data[d*16+8] = (float)rnd.NextDouble()*4000000.0f - 2000000.0f ;
data[d*16+9] = (float)rnd.NextDouble()*4000000.0f - 2000000.0f ;
data[d*16+10] = (float)rnd.NextDouble()*4000000.0f - 2000000.0f ;
data[d*16+11] = (float)rnd.NextDouble()*4000000.0f - 2000000.0f ;
data[d*16+12] = (float)rnd.NextDouble()*4000000.0f - 2000000.0f ;
data[d*16+13] = (float)rnd.NextDouble()*4000000.0f - 2000000.0f ;
data[d*16+14] = (float)rnd.NextDouble()*4000000.0f - 2000000.0f ;
data[d*16+15] = (float)rnd.NextDouble()*4000000.0f - 2000000.0f ;
}
handle.asFloatMatrix4x4 = data;
break;
}
case Member.eDataType.kInt8:
{
sbyte[] data = new sbyte[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
data[d] = (sbyte)rnd.Next(SByte.MinValue, SByte.MaxValue+1);
}
handle.asInt8Array = data;
break;
}
case Member.eDataType.kInt16:
{
short[] data = new short[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
data[d] = (short)rnd.Next(Int16.MinValue, Int16.MaxValue+1);
}
handle.asInt16Array = data;
break;
}
case Member.eDataType.kInt32:
{
int[] data = new int[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
// rnd.Next returns a number between [arg1,arg2[
// but unfortunately I can't pass Int32.MaxValue+1 here....
data[d] = rnd.Next(Int32.MinValue, Int32.MaxValue);
}
handle.asInt32Array = data;
break;
}
case Member.eDataType.kInt64:
{
long[] data = new long[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
// rnd.Next() gives a number between [0,Int32
data[d] = (long)rnd.Next(Int32.MinValue, Int32.MaxValue);
if( data[d] >= 0 )
data[d] *= Int64.MaxValue / Int32.MaxValue;
else
data[d] *= Int64.MinValue / Int32.MinValue;
}
handle.asInt64Array = data;
break;
}
case Member.eDataType.kUInt8:
{
byte[] data = new byte[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
data[d] = (byte)rnd.Next(0, Byte.MaxValue + 1);
}
handle.asUInt8Array = data;
break;
}
case Member.eDataType.kUInt16:
{
ushort[] data = new ushort[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
data[d] = (ushort)rnd.Next(0, UInt16.MaxValue + 1);
}
handle.asUInt16Array = data;
break;
}
case Member.eDataType.kUInt32:
{
uint[] data = new uint[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
data[d] = (uint)rnd.Next();
}
handle.asUInt32Array = data;
break;
}
case Member.eDataType.kUInt64:
{
ulong[] data = new ulong[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
data[d] = ((ulong)rnd.Next()) * UInt64.MaxValue / UInt32.MaxValue;
}
handle.asUInt64Array = data;
break;
}
case Member.eDataType.kString:
{
string[] randomStrings = new string[] { "banana", "tomatoe", "apple", "pineapple", "apricot", "pepper", "olive", "grapefruit" };
string[] data = new string[handle.dataLength];
for (d = 0; d < handle.dataLength; ++d)
{
int index = rnd.Next( randomStrings.Length );
data[d] = randomStrings[index];
}
handle.asStringArray = data;
break;
}
default:
{
Debug.Assert(false, "This should never happen");
break;
}
}
}
newStream.setElement(new Index(m), handle);
}
newChannel.setDataStream(newStream);
newMetadata.setChannel(newChannel);
// Note: the following will not work if "obj" is a shape constructed by a source object
// You need to delete the history of the shape before calling this...
fDGModifier.setMetadata(obj, newMetadata);
fDGModifier.doIt();
// Set the result to the number of actual metadata values set as a
// triple value:
// (# nodes, # metadata elements, # members per element)
//
MIntArray theResult = new MIntArray();
theResult.append( (int) fNodes.length );
theResult.append( (int) indexCount );
theResult.append( (int) structureMemberCount );
setResult( theResult );
}
}
private void renameNodes(MObject transform, string baseName)
{
// Rename the transform to something we know no node will be using.
dagMod.renameNode(transform, "polyPrimitiveCmdTemp");
// Rename the mesh to the same thing but with 'Shape' on the end.
MFnDagNode dagFn = new MFnDagNode(transform);
dagMod.renameNode(dagFn.child(0), "polyPrimitiveCmdTempShape");
// Now that they are in the 'something/somethingShape' format, any
// changes we make to the name of the transform will automatically be
// propagated to the shape as well.
//
// Maya will replace the '#' in the string below with a number which
// ensures uniqueness.
string transformName = baseName + "#";
dagMod.renameNode(transform, transformName);
}
//======================================================================
//
// Check the parsed arguments and do/undo/redo the command as appropriate
//
void checkArgs(ref MArgDatabase argsDb)
{
//----------------------------------------
// -structure flag
//
fStructureFlag.parse(ref argsDb, flagStructure);
if (fStructureFlag.isSet())
{
if (!fStructureFlag.isArgValid())
{
string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kInvalidString);
throw new ArgumentException(errMsg, "argsDb");
}
string structureName = fStructureFlag.arg();
try
{
fStructure = Structure.structureByName(structureName);
}
catch (System.Exception)
{
string msgFmt = MStringResource.getString(MetaDataRegisterMStringResources.kCreateMetadataStructureNotFound);
throw new ArgumentException(String.Format(msgFmt, structureName), "argsDb");
}
}
else
{
string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kCreateMetadataNoStructureName);
throw new ArgumentException(errMsg, "argsDb");
}
//----------------------------------------
// -streamName flag
//
fStreamNameFlag.parse(ref argsDb, flagStreamName);
if (fStreamNameFlag.isSet())
{
if (!fStreamNameFlag.isArgValid())
{
string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kInvalidString);
throw new ArgumentException(errMsg, "argsDb");
}
fStreamName = fStreamNameFlag.arg();
}
else
{
string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kCreateMetadataNoStructureName);
throw new ArgumentException(errMsg, "argsDb");
}
//----------------------------------------
// -channelType flag
//
fChannelTypeFlag.parse(ref argsDb, flagChannelType);
if (fChannelTypeFlag.isSet())
{
if (!fChannelTypeFlag.isArgValid())
{
string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kInvalidString);
throw new ArgumentException(errMsg, "argsDb");
}
fChannelType = fChannelTypeFlag.arg();
}
else
{
string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kCreateMetadataNoStructureName);
throw new ArgumentException(errMsg, "argsDb");
}
//----------------------------------------
// (selection list)
//
// Commands need at least one node on which to operate so gather up
// the list of nodes specified and/or selected.
//
// Empty out the list of nodes on which to operate so that it can be
// populated from the selection or specified lists.
fNodes.clear();
MSelectionList objects = new MSelectionList();
argsDb.getObjects(objects);
for (uint i = 0; i < objects.length; ++i)
{
MDagPath dagPath = new MDagPath();
objects.getDagPath((uint)i, dagPath);
MFnDagNode dagNode = new MFnDagNode(dagPath.node);
MObject obj = dagNode.child(0);
if (obj.apiTypeStr == "kMesh")
{
if (obj == MObject.kNullObj)
{
throw new ApplicationException("Error: objects.getDependNode() ");
}
fNodes.append(dagPath.node);
}
else
{
String fmt = MStringResource.getString(MetaDataRegisterMStringResources.kObjectTypeError);
String msg = String.Format(fmt, dagPath.fullPathName + "[" + obj.apiTypeStr + "]");
displayError(msg);
throw new System.InvalidOperationException(msg);
}
}
if (fNodes.length == 0)
{
string errMsg = MStringResource.getString(MetaDataRegisterMStringResources.kObjectNotFoundError);
throw new ArgumentException(errMsg, "argsDb");
}
}
private void linkXformsMeshes()
{
foreach( MayaXform xform in allXforms )
{
// Convert to a DAG node to traverse children.
MFnDagNode dagNode = new MFnDagNode(xform.mayaObjectPath);
for( uint childIdx = 0; childIdx < dagNode.childCount; ++childIdx )
{
MObject childObj = dagNode.child(childIdx);
// If the child has a mesh, link it.
if( childObj.hasFn(MFn.Type.kMesh) )
{
xform.mesh = pathMeshMap[(new MFnMesh(childObj)).fullPathName];
break;
}
}
}
}
