public override bool doRelease(M3dView view)
{
// Scale nodes on the selection list.
// Simple implementation that does not
// support undo.
MSelectionList list = new MSelectionList();
MGlobal.getActiveSelectionList(list);
MObject node = new MObject();
for (MItSelectionList iter = new MItSelectionList(list); !iter.isDone; iter.next())
{
iter.getDependNode(node);
MFnTransform xform;
try
{
xform = new MFnTransform(node);
}
catch (System.Exception)
{
continue;
}
double[] newScale = new double[3];
newScale[0] = mousePointGlName.x + 1;
newScale[1] = mousePointGlName.y + 1;
newScale[2] = mousePointGlName.z + 1;
xform.setScale(newScale);
}
return(true);
}
void parseArgs(MArgList args)
{
string arg = "";
MSelectionList list = new MSelectionList();
bool charNameUsed = false;
string charName;
const string charFlag = "-c";
const string charFlagLong = "-char";
for (uint i = 0; i < args.length; i++)
{
arg = args.asString(i);
if (arg == charFlag || arg == charFlagLong)
{
// get the char name
//
if (i == args.length - 1)
{
arg += ": must specify a character name";
throw new ArgumentException(arg, "args");
}
i++;
charName = args.asString(i);
list.add(charName);
charNameUsed = true;
}
else
{
arg += ": unknown argument";
throw new ArgumentException(arg, "args");
}
}
if (charNameUsed)
{
// get the character corresponding to the node name
//
MItSelectionList iter = new MItSelectionList(list);
for (; iter.isDone; iter.next())
{
MObject node = new MObject();
iter.getDependNode(node);
if (node.apiType == MFn.Type.kCharacter)
{
fCharacter = node;
break;
}
}
if (fCharacter.isNull)
{
throw new ApplicationException("Unable to get the character corresponding to the node name.");
}
}
}
/*!
* Callback that creates the manipulator if valid geometry is
* selected. Also removes the manipulator if no geometry is
* selected. Handles connecting the manipulator to multiply
* selected nodes.
*
* \param[in] data Pointer to the current context class.
*/
void updateManipulators()
{
deleteManipulators();
if (!validGeometrySelected())
{
return;
}
// Clear info
owner = null;
firstObjectSelected = MObject.kNullObj;
MSelectionList list = new MSelectionList();
MGlobal.getActiveSelectionList(list);
MItSelectionList iter = new MItSelectionList(list, MFn.Type.kInvalid);
string manipName = "lineManipContainerCSharp";
MObject manipObject = new MObject();
lineManipContainer manipulator = MPxManipContainer.newManipulator(manipName, manipObject) as lineManipContainer;
if (null != manipulator)
{
// Save state
owner = manipulator;
// Add the manipulator
addManipulator(manipObject);
//
for (; !iter.isDone; iter.next())
{
MObject dependNode = new MObject();
iter.getDependNode(dependNode);
MFnDependencyNode dependNodeFn = new MFnDependencyNode(dependNode);
// Connect the manipulator to the object in the selection list.
manipulator.connectToDependNode(dependNode);
//
if (MObject.kNullObj == firstObjectSelected)
{
firstObjectSelected = dependNode;
}
}
// Allow the manipulator to set initial state
setInitialState();
}
}
//! Ensure that valid geometry is selected
bool validGeometrySelected()
{
MSelectionList list = new MSelectionList();
MGlobal.getActiveSelectionList(list);
MItSelectionList iter = new MItSelectionList(list, MFn.Type.kInvalid);
for (; !iter.isDone; iter.next())
{
MObject dependNode = new MObject();
iter.getDependNode(dependNode);
if (dependNode.isNull || !dependNode.hasFn(MFn.Type.kTransform))
{
MGlobal.displayWarning("Object in selection list is not right type of node");
return(false);
}
MFnDependencyNode dependNodeFn = new MFnDependencyNode(dependNode);
MStringArray attributeNames = new MStringArray();
attributeNames.append("scaleX");
attributeNames.append("translateX");
int i;
for (i = 0; i < attributeNames.length; i++)
{
MPlug plug = dependNodeFn.findPlug(attributeNames[i]);
if (plug.isNull)
{
MGlobal.displayWarning("Object cannot be manipulated: " +
dependNodeFn.name);
return(false);
}
}
}
return(true);
}
public static void updateManipulators(RotateManipContext ctx)
{
if (ctx == null)
return;
ctx.deleteManipulators();
// Add the rotate manipulator to each selected object. This produces
// behavior different from the default rotate manipulator behavior. Here,
// a distinct rotate manipulator is attached to every object.
//
try
{
MSelectionList list = MGlobal.activeSelectionList;
MItSelectionList iter = new MItSelectionList(list, MFn.Type.kInvalid);
for (; !iter.isDone; iter.next())
{
// Make sure the selection list item is a depend node and has the
// required plugs before manipulating it.
//
MObject dependNode = new MObject();
iter.getDependNode(dependNode);
if (dependNode.isNull || !dependNode.hasFn(MFn.Type.kDependencyNode))
{
MGlobal.displayWarning("Object in selection list is not a depend node.");
continue;
}
MFnDependencyNode dependNodeFn = new MFnDependencyNode(dependNode);
try
{
/* MPlug rPlug = */
dependNodeFn.findPlug("rotate");
}
catch (System.Exception)
{
MGlobal.displayWarning("Object cannot be manipulated: " + dependNodeFn.name);
continue;
}
// Add manipulator to the selected object
//
MObject manipObject = new MObject();
exampleRotateManip manipulator;
try
{
manipulator = exampleRotateManip.newManipulator("exampleRotateManipCSharp", manipObject) as exampleRotateManip;
// Add the manipulator
//
ctx.addManipulator(manipObject);
// Connect the manipulator to the object in the selection list.
//
try
{
manipulator.connectToDependNode(dependNode);
}
catch (System.Exception)
{
MGlobal.displayWarning("Error connecting manipulator to object: " + dependNodeFn.name);
}
}
catch (System.Exception)
{
}
}
}
catch (System.Exception)
{
}
}
/*!
Callback that creates the manipulator if valid geometry is
selected. Also removes the manipulator if no geometry is
selected. Handles connecting the manipulator to multiply
selected nodes.
\param[in] data Pointer to the current context class.
*/
void updateManipulators()
{
deleteManipulators();
if ( ! validGeometrySelected() )
{
return;
}
// Clear info
owner = null;
firstObjectSelected = MObject.kNullObj;
MSelectionList list = new MSelectionList();
MGlobal.getActiveSelectionList(list);
MItSelectionList iter = new MItSelectionList(list, MFn.Type.kInvalid);
string manipName = "lineManipContainerCSharp";
MObject manipObject = new MObject();
lineManipContainer manipulator = MPxManipContainer.newManipulator(manipName, manipObject) as lineManipContainer;
if (null != manipulator)
{
// Save state
owner = manipulator;
// Add the manipulator
addManipulator(manipObject);
//
for (; !iter.isDone; iter.next())
{
MObject dependNode = new MObject();
iter.getDependNode(dependNode);
MFnDependencyNode dependNodeFn = new MFnDependencyNode(dependNode);
// Connect the manipulator to the object in the selection list.
manipulator.connectToDependNode(dependNode);
//
if (MObject.kNullObj == firstObjectSelected)
{
firstObjectSelected = dependNode;
}
}
// Allow the manipulator to set initial state
setInitialState();
}
}
//! Ensure that valid geometry is selected
bool validGeometrySelected()
{
MSelectionList list = new MSelectionList();
MGlobal.getActiveSelectionList(list);
MItSelectionList iter = new MItSelectionList(list, MFn.Type.kInvalid);
for (; !iter.isDone; iter.next())
{
MObject dependNode = new MObject();
iter.getDependNode(dependNode);
if (dependNode.isNull || !dependNode.hasFn(MFn.Type.kTransform))
{
MGlobal.displayWarning("Object in selection list is not right type of node");
return false;
}
MFnDependencyNode dependNodeFn = new MFnDependencyNode(dependNode);
MStringArray attributeNames = new MStringArray();
attributeNames.append("scaleX");
attributeNames.append("translateX");
int i;
for ( i = 0; i < attributeNames.length; i++ )
{
MPlug plug = dependNodeFn.findPlug(attributeNames[i]);
if ( plug.isNull )
{
MGlobal.displayWarning("Object cannot be manipulated: " +
dependNodeFn.name);
return false;
}
}
}
return true;
}
public override bool doRelease(M3dView view)
{
// Scale nodes on the selection list.
// Simple implementation that does not
// support undo.
MSelectionList list = new MSelectionList();
MGlobal.getActiveSelectionList(list);
MObject node = new MObject();
for (MItSelectionList iter = new MItSelectionList(list); !iter.isDone; iter.next())
{
iter.getDependNode(node);
MFnTransform xform;
try
{
xform = new MFnTransform(node);
}
catch (System.Exception)
{
continue;
}
double[] newScale = new double[3];
newScale[0] = mousePointGlName.x + 1;
newScale[1] = mousePointGlName.y + 1;
newScale[2] = mousePointGlName.z + 1;
xform.setScale(newScale);
}
return true;
}
public override void doIt(MArgList args)
{
MSelectionList list = new MSelectionList();
if ( args.length > 0 ) {
// Arg list is > 0 so use objects that were passes in
//
uint last = args.length;
for ( uint i = 0; i < last; i++ ) {
// Attempt to find all of the objects matched
// by the string and add them to the list
//
string argStr = args.asString(i);
list.add(argStr);
}
} else {
// Get arguments from Maya's selection list.
MGlobal.getActiveSelectionList(list);
}
MObject node = new MObject();
MObjectArray nodePath = new MObjectArray();
MFnDependencyNode nodeFn = new MFnDependencyNode();
MFnDependencyNode dgNodeFnSet = new MFnDependencyNode();
for (MItSelectionList iter = new MItSelectionList(list); !iter.isDone; iter.next()) {
iter.getDependNode(node);
//
// The following code shows how to navigate the DG manually without
// using an iterator. First, find the attribute that you are
// interested. Then connect a plug to it and see where the plug
// connected to. Once you get all the connections, you can choose
// which route you want to go.
//
// In here, we wanted to get to the nodes that instObjGroups connected
// to since we know that the shadingEngine connects to the instObjGroup
// attribute.
//
nodeFn.setObject( node );
MObject iogAttr = null;
try {
iogAttr = nodeFn.attribute("instObjGroups");
} catch (Exception) {
MGlobal.displayInfo(nodeFn.name + ": is not a renderable object, skipping");
continue;
}
MPlug iogPlug = new MPlug(node, iogAttr);
MPlugArray iogConnections = new MPlugArray();
//
// instObjGroups is a multi attribute. In this example, just the
// first connection will be tried.
//
if (!iogPlug.elementByLogicalIndex(0).connectedTo(iogConnections, false, true)) {
MGlobal.displayInfo(nodeFn.name + ": is not in a shading group, skipping");
continue;
}
//
// Now we would like to traverse the DG starting from the shadingEngine
// since most likely all file texture nodes will be found. Note the
// filter used to initialize the DG iterator. There are lots of filter
// type available in MF.Type that you can choose to suite your needs.
//
bool foundATexture = false;
for ( int i=0; i < iogConnections.length; i++ ) {
MObject currentNode = iogConnections[i].node;
//
// Note that upon initialization, the current pointer of the
// iterator already points to the first valid node.
//
MItDependencyGraph dgIt = new MItDependencyGraph(currentNode,
MFn.Type.kFileTexture,
MItDependencyGraph.Direction.kUpstream,
MItDependencyGraph.Traversal.kBreadthFirst,
MItDependencyGraph.Level.kNodeLevel);
if (dgIt == null)
{
continue;
}
dgIt.disablePruningOnFilter();
for ( ; !dgIt.isDone; dgIt.next() ) {
MObject thisNode = dgIt.thisNode();
dgNodeFnSet.setObject(thisNode);
try {
dgIt.getNodePath(nodePath);
} catch (Exception) {
MGlobal.displayInfo("getNodePath");
continue;
}
//
// append the starting node.
//
nodePath.append(node);
dumpInfo( thisNode, dgNodeFnSet, nodePath );
foundATexture = true;
}
}
if ( !foundATexture ) {
MGlobal.displayInfo(nodeFn.name + ": is not connected to a file texture");
}
}
return;
}
public override void doIt(MArgList args)
{
MSelectionList list = new MSelectionList();
if (args.length > 0)
{
// Arg list is > 0 so use objects that were passes in
//
uint last = args.length;
for (uint i = 0; i < last; i++)
{
// Attempt to find all of the objects matched
// by the string and add them to the list
//
string argStr = args.asString(i);
list.add(argStr);
}
}
else
{
// Get arguments from Maya's selection list.
MGlobal.getActiveSelectionList(list);
}
MObject node = new MObject();
MObjectArray nodePath = new MObjectArray();
MFnDependencyNode nodeFn = new MFnDependencyNode();
MFnDependencyNode dgNodeFnSet = new MFnDependencyNode();
for (MItSelectionList iter = new MItSelectionList(list); !iter.isDone; iter.next())
{
iter.getDependNode(node);
//
// The following code shows how to navigate the DG manually without
// using an iterator. First, find the attribute that you are
// interested. Then connect a plug to it and see where the plug
// connected to. Once you get all the connections, you can choose
// which route you want to go.
//
// In here, we wanted to get to the nodes that instObjGroups connected
// to since we know that the shadingEngine connects to the instObjGroup
// attribute.
//
nodeFn.setObject(node);
MObject iogAttr = null;
try {
iogAttr = nodeFn.attribute("instObjGroups");
} catch (Exception) {
MGlobal.displayInfo(nodeFn.name + ": is not a renderable object, skipping");
continue;
}
MPlug iogPlug = new MPlug(node, iogAttr);
MPlugArray iogConnections = new MPlugArray();
//
// instObjGroups is a multi attribute. In this example, just the
// first connection will be tried.
//
if (!iogPlug.elementByLogicalIndex(0).connectedTo(iogConnections, false, true))
{
MGlobal.displayInfo(nodeFn.name + ": is not in a shading group, skipping");
continue;
}
//
// Now we would like to traverse the DG starting from the shadingEngine
// since most likely all file texture nodes will be found. Note the
// filter used to initialize the DG iterator. There are lots of filter
// type available in MF.Type that you can choose to suite your needs.
//
bool foundATexture = false;
for (int i = 0; i < iogConnections.length; i++)
{
MObject currentNode = iogConnections[i].node;
//
// Note that upon initialization, the current pointer of the
// iterator already points to the first valid node.
//
MItDependencyGraph dgIt = new MItDependencyGraph(currentNode,
MFn.Type.kFileTexture,
MItDependencyGraph.Direction.kUpstream,
MItDependencyGraph.Traversal.kBreadthFirst,
MItDependencyGraph.Level.kNodeLevel);
if (dgIt == null)
{
continue;
}
dgIt.disablePruningOnFilter();
for ( ; !dgIt.isDone; dgIt.next())
{
MObject thisNode = dgIt.thisNode();
dgNodeFnSet.setObject(thisNode);
try {
dgIt.getNodePath(nodePath);
} catch (Exception) {
MGlobal.displayInfo("getNodePath");
continue;
}
//
// append the starting node.
//
nodePath.append(node);
dumpInfo(thisNode, dgNodeFnSet, nodePath);
foundATexture = true;
}
}
if (!foundATexture)
{
MGlobal.displayInfo(nodeFn.name + ": is not connected to a file texture");
}
}
return;
}
void parseArgs(MArgList args)
{
string arg = "";
MSelectionList list = new MSelectionList();
bool charNameUsed = false;
string charName;
const string charFlag = "-c";
const string charFlagLong = "-char";
for (uint i = 0; i < args.length; i++)
{
arg = args.asString(i);
if (arg == charFlag || arg == charFlagLong)
{
// get the char name
//
if (i == args.length - 1)
{
arg += ": must specify a character name";
throw new ArgumentException(arg, "args");
}
i++;
charName = args.asString(i);
list.add(charName);
charNameUsed = true;
}
else
{
arg += ": unknown argument";
throw new ArgumentException(arg, "args");
}
}
if (charNameUsed)
{
// get the character corresponding to the node name
//
MItSelectionList iter = new MItSelectionList(list);
for (; iter.isDone; iter.next())
{
MObject node = new MObject();
iter.getDependNode(node);
if (node.apiType == MFn.Type.kCharacter)
{
fCharacter = node;
break;
}
}
if (fCharacter.isNull)
{
throw new ApplicationException("Unable to get the character corresponding to the node name.");
}
}
}
public static void updateManipulators(RotateManipContext ctx)
{
if (ctx == null)
{
return;
}
ctx.deleteManipulators();
// Add the rotate manipulator to each selected object. This produces
// behavior different from the default rotate manipulator behavior. Here,
// a distinct rotate manipulator is attached to every object.
//
try
{
MSelectionList list = MGlobal.activeSelectionList;
MItSelectionList iter = new MItSelectionList(list, MFn.Type.kInvalid);
for (; !iter.isDone; iter.next())
{
// Make sure the selection list item is a depend node and has the
// required plugs before manipulating it.
//
MObject dependNode = new MObject();
iter.getDependNode(dependNode);
if (dependNode.isNull || !dependNode.hasFn(MFn.Type.kDependencyNode))
{
MGlobal.displayWarning("Object in selection list is not a depend node.");
continue;
}
MFnDependencyNode dependNodeFn = new MFnDependencyNode(dependNode);
try
{
/* MPlug rPlug = */
dependNodeFn.findPlug("rotate");
}
catch (System.Exception)
{
MGlobal.displayWarning("Object cannot be manipulated: " + dependNodeFn.name);
continue;
}
// Add manipulator to the selected object
//
MObject manipObject = new MObject();
exampleRotateManip manipulator;
try
{
manipulator = exampleRotateManip.newManipulator("exampleRotateManipCSharp", manipObject) as exampleRotateManip;
// Add the manipulator
//
ctx.addManipulator(manipObject);
// Connect the manipulator to the object in the selection list.
//
try
{
manipulator.connectToDependNode(dependNode);
}
catch (System.Exception)
{
MGlobal.displayWarning("Error connecting manipulator to object: " + dependNodeFn.name);
}
}
catch (System.Exception)
{
}
}
}
catch (System.Exception)
{
}
}