public apiMeshGeomIterator(object userGeometry, MObjectArray components)
: base(userGeometry, components)
{
meshGeometry = (apiMeshGeom)userGeometry;
reset();
}
/// <summary>
/// Originally written in C++ by RobTheBloke.
/// See https://nccastaff.bournemouth.ac.uk/jmacey/RobTheBloke/www/research/maya/mfnmesh.htm
/// </summary>
/// <param name="shadingEngine"></param>
/// <returns>The shader name.</returns>
private static MObjectArray GetMaterials(MObject shadingEngine)
{
// attach a function set to the shading engine
var fn = new MFnDependencyNode(shadingEngine);
// get access to the surfaceShader attribute. This will be connected to
// lambert , phong nodes etc.
var sShader = fn.findPlug("surfaceShader");
// will hold the connections to the surfaceShader attribute
var materials = new MPlugArray();
// get the material connected to the surface shader
sShader.connectedTo(materials, true, false);
var materialsObjects = new MObjectArray();
if (materials.Count <= 0)
{
return(materialsObjects);
}
// if we found a material
foreach (var plug in materials)
{
materialsObjects.Add(plug.node);
}
return(materialsObjects);
}
private static List <Material> GetMaterialsMesh(ref MFnMesh Mesh, ref MDagPath Path)
{
// Get materials for this mesh
var Result = new List <Material>();
// Fetch data
var Shaders = new MObjectArray();
var ShaderIndices = new MIntArray();
Mesh.getConnectedShaders(Path.instanceNumber, Shaders, ShaderIndices);
// Iterate and add
for (int i = 0; i < (int)Shaders.length; i++)
{
// Find plug
var ShaderNode = new MFnDependencyNode(Shaders[i]);
var ShaderPlug = ShaderNode.findPlug("surfaceShader");
var MatPlug = new MPlugArray();
ShaderPlug.connectedTo(MatPlug, true, false);
if (MatPlug.length > 0)
{
Result.Add(new Material(CleanNodeName(new MFnDependencyNode(MatPlug[0].node).name)));
}
}
return(Result);
}
public apiMeshGeomIterator(object userGeometry, MObjectArray components)
: base(userGeometry, components)
{
meshGeometry = (apiMeshGeom)userGeometry;
reset();
}
public static ShapeData GetMaterialsOfDag(MDagPath dag)
{
if (dag == null)
{
Debug.Log("dag null");
}
dag.extendToShape();
MFnDependencyNode dn = new MFnDependencyNode(dag.node);
//Debug.Log(dn.absoluteName);
//dn.findPlug("connectAttr pCubeShape3.instObjGroups[0] blinn2SG.dagSetMembers[1]");
MFnMesh mesh = new MFnMesh(dag);
//int instanceCount = (int)shapeNode.instanceCount(false);
//Debug.Log("dn instanceCount:" + instanceCount);
uint instanceNumber = dag.instanceNumber;
Debug.Log("dag instanceNumber:" + instanceNumber);
MObjectArray sets = new MObjectArray(), comps = new MObjectArray();
mesh.getConnectedSetsAndMembers(instanceNumber, sets, comps, true);
List <string> sgList = new List <string>();
for (int i = 0; i < sets.length; ++i)
{
MFnDependencyNode fnDepSGNode = new MFnDependencyNode(sets[i]);
sgList.Add(fnDepSGNode.absoluteName);
//Debug.Log(fnDepSGNode.name);
}
//Debug.Log("sgList Count:" + sgList.Count);
return(new ShapeData(mesh, dag, sgList));
}
public maTranslator()
{
fBrokenConnSrcs = new MPlugArray();
fBrokenConnDests = new MPlugArray();
fDefaultNodes = new MObjectArray();
fInstanceChildren = new MDagPathArray();
fInstanceParents = new MDagPathArray();
fParentingRequired = new MDagPathArray();
}
public override MPxGeometryIterator geometryIteratorSetup(MObjectArray componentList, MObject components, bool forReadOnly)
{
apiSimpleShapeIterator result;
if (components.isNull)
{
result = new apiSimpleShapeIterator(controlPoints, componentList);
}
else
{
result = new apiSimpleShapeIterator(controlPoints, components);
}
return result;
}
//////////////////////////////////////////////////////////////////
//
// Overrides from MPxGeometryData
//
//////////////////////////////////////////////////////////////////
public override MPxGeometryIterator iterator( MObjectArray componentList,
MObject component,
bool useComponents)
{
apiMeshGeomIterator result = null;
if ( useComponents ) {
result = new apiMeshGeomIterator( fGeometry, componentList );
}
else {
result = new apiMeshGeomIterator( fGeometry, component );
}
return result;
}
public override MPxGeometryIterator geometryIteratorSetup(MObjectArray componentList, MObject components, bool forReadOnly)
{
apiSimpleShapeIterator result;
if (components.isNull)
{
result = new apiSimpleShapeIterator(controlPoints, componentList);
}
else
{
result = new apiSimpleShapeIterator(controlPoints, components);
}
return(result);
}
/// <summary>
/// Extract all shaders (M2Batch) linked to a mesh.
/// </summary>
private static void ExtractMeshShaders(MayaM2Mesh mesh, MDagPath meshPath)
{
MGlobal.displayInfo("Looking for shaders in mesh " + meshPath.fullPathName);
var meshFn = new MFnMesh(meshPath);
// get the number of instances
var numInstances = meshFn.parentCount;
MGlobal.displayInfo("\t" + numInstances + " instances.");
// loop through each instance of the mesh
for (uint i = 0; i < numInstances; ++i)
{
// attach a function set to this instances parent transform
//var fn = new MFnDependencyNode(fnMesh.parent(i));
// this will hold references to the shaders used on the meshes
var shaderEngines = new MObjectArray();
// this is used to hold indices to the materials returned in the object array
var faceIndices = new MIntArray();
// get the shaders used by the i'th mesh instance
meshFn.getConnectedShaders(i, shaderEngines, faceIndices);
switch (shaderEngines.length)
{
// if no shader applied to the mesh instance
case 0:
break;
// if all faces use the same material
case 1:
var materials = GetMaterials(shaderEngines[0]);
MGlobal.displayInfo("\t\tIn shaderEngine[0], found " + materials.length + " materials.");
//TODO Extract Material data
ExtractMaterial(mesh, materials[0]);
//TODO Extract Transparency data
//TODO Shader
break;
//Multiple materials, each applied only on some faces.
default:
throw new NotImplementedException("Cannot handle more than one shaderEngine per mesh.");
}
}
}
//////////////////////////////////////////////////////////////////
//
// Overrides from MPxGeometryData
//
//////////////////////////////////////////////////////////////////
public override MPxGeometryIterator iterator(MObjectArray componentList,
MObject component,
bool useComponents)
{
apiMeshGeomIterator result = null;
if (useComponents)
{
result = new apiMeshGeomIterator(fGeometry, componentList);
}
else
{
result = new apiMeshGeomIterator(fGeometry, component);
}
return(result);
}
private void dumpInfo(MObject fileNode, MFnDependencyNode nodeFn, MObjectArray nodePath)
{
MObject fileAttr = nodeFn.attribute("fileTextureName");
MPlug plugToFile = new MPlug(fileNode, fileAttr);
MFnDependencyNode dgFn = new MFnDependencyNode();
MGlobal.displayInfo("Name: " + nodeFn.name);
MObject fnameValue = new MObject();
try
{
plugToFile.getValue(fnameValue);
}
catch (Exception)
{
MGlobal.displayInfo("error getting value from plug");
return;
}
MFnStringData stringFn = new MFnStringData(fnameValue);
MGlobal.displayInfo("Texture: " + stringFn.stringProperty);
string path = "Path: ";
for (int i = (int)nodePath.length - 1; i >= 0; i--)
{
MObject currentNode = nodePath[i];
dgFn.setObject(currentNode);
path += dgFn.name + "(" + dgFn.typeName + ")";
if (i > 0)
{
path += " -> ";
}
}
MGlobal.displayInfo(path);
}
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 Material MakeMaterial(MFnMesh fnMesh)
{
MaterialGroup matGroup =new MaterialGroup () ;
MObjectArray shaders =new MObjectArray() ;
MIntArray indices =new MIntArray () ;
fnMesh.getConnectedShaders (0, shaders, indices) ;
for ( int i =0 ; i < shaders.length ; i++ ) {
MFnDependencyNode shaderGroup =new MFnDependencyNode (shaders [i]) ;
MPlug shaderPlug =shaderGroup.findPlug ("surfaceShader") ;
MPlugArray connections =new MPlugArray () ;
shaderPlug.connectedTo (connections, true, false) ;
for ( int u =0 ; u < connections.length ; u++ ) {
MFnDependencyNode depNode =new MFnDependencyNode (connections [u].node) ;
//MPlug colorPlug =depNode.findPlug ("color") ;
//MColor mcolor =new MColor () ;
///*MPlugArray cc =new MPlugArray () ;
//colorPlug.connectedTo (cc, true , false) ;
//if ( cc.length > 0 ) {
// // Plug is driven by an input connection.
// for ( int v =0 ; v < cc.length ; v++ ) {
// MPlug color2Plug =cc [v] ;
// Console.WriteLine (color2Plug.numChildren) ;
// color2Plug.child (0).getValue (mcolor.r) ;
// color2Plug.child (1).getValue (mcolor.g) ;
// color2Plug.child (2).getValue (mcolor.b) ;
// //color2Plug.child (3).getValue (mcolor.a) ;
// }
//} else {*/
// mcolor.r =colorPlug.child (0).asFloat () ;
// mcolor.g =colorPlug.child (1).asFloat () ;
// mcolor.b =colorPlug.child (2).asFloat () ;
// //colorPlug.child (3).getValue (mcolor.a) ;
////}
//MPlug trPlug =depNode.findPlug ("transparency") ;
//float transparency =1.0f - trPlug.child (0).asFloat () ;
////return new DiffuseMaterial (new SolidColorBrush (Color.FromScRgb (transparency, mcolor.r, mcolor.g, mcolor.b))) ;
//DiffuseMaterial diffuse =new DiffuseMaterial (new SolidColorBrush (Color.FromScRgb (transparency, mcolor.r, mcolor.g, mcolor.b))) ;
//colorPlug =depNode.findPlug ("ambientColor") ;
//mcolor.r =colorPlug.child (0).asFloat () ;
//mcolor.g =colorPlug.child (1).asFloat () ;
//mcolor.b =colorPlug.child (2).asFloat () ;
//diffuse.AmbientColor =Color.FromScRgb (transparency, mcolor.r, mcolor.g, mcolor.b) ;
//matGroup.Children.Add (diffuse) ;
//colorPlug =depNode.findPlug ("specularColor") ;
//mcolor.r =colorPlug.child (0).asFloat () ;
//mcolor.g =colorPlug.child (1).asFloat () ;
//mcolor.b =colorPlug.child (2).asFloat () ;
//MPlug powerPlug =depNode.findPlug ("cosinePower") ;
//SpecularMaterial specular =new SpecularMaterial (new SolidColorBrush (Color.FromScRgb (1.0f, mcolor.r, mcolor.g, mcolor.b)), powerPlug.asDouble ()) ;
//matGroup.Children.Add (specular) ;
//EmissiveMaterial emissive =new EmissiveMaterial () ;
//matGroup.Children.Add (emissive) ;
try {
MFnLambertShader lambert =new MFnLambertShader (connections [u].node) ;
SolidColorBrush brush =new SolidColorBrush (Color.FromScRgb (1.0f - lambert.transparency.r, lambert.color.r, lambert.color.g, lambert.color.b)) ;
brush.Opacity =1.0f - lambert.transparency.r ;
DiffuseMaterial diffuse =new DiffuseMaterial (brush) ;
diffuse.AmbientColor =Color.FromScRgb (1.0f - lambert.ambientColor.a, lambert.ambientColor.r, lambert.ambientColor.g, lambert.ambientColor.b) ;
// no more attributes
matGroup.Children.Add (diffuse) ;
// No specular color
EmissiveMaterial emissive =new EmissiveMaterial (new SolidColorBrush (Color.FromScRgb (1.0f - lambert.incandescence.a, lambert.incandescence.r, lambert.incandescence.g, lambert.incandescence.b))) ;
// no more attributes
matGroup.Children.Add (emissive) ;
} catch {
}
//try {
// MFnReflectShader reflect =new MFnReflectShader (connections [u].node) ;
// SpecularMaterial specular =new SpecularMaterial (new SolidColorBrush (Color.FromScRgb (1.0f - reflect.specularColor.a, reflect.specularColor.r, reflect.specularColor.g, reflect.specularColor.b)), reflect.cosPower) ;
// // no more attributes
// matGroup.Children.Add (specular) ;
//} catch {
//}
try {
MFnPhongShader phong =new MFnPhongShader (connections [u].node) ;
//See Lambert
//SolidColorBrush brush =new SolidColorBrush (Color.FromScRgb (1.0f - phong.transparency.r, phong.color.r, phong.color.g, phong.color.b)) ;
//brush.Opacity =1.0f - phong.transparency.r ;
//DiffuseMaterial diffuse =new DiffuseMaterial (brush) ;
//diffuse.AmbientColor =Color.FromScRgb (1.0f - phong.ambientColor.a, phong.ambientColor.r, phong.ambientColor.g, phong.ambientColor.b) ;
//// no more attributes
//matGroup.Children.Add (diffuse) ;
SpecularMaterial specular =new SpecularMaterial (new SolidColorBrush (Color.FromScRgb (1.0f - phong.specularColor.a, phong.specularColor.r, phong.specularColor.g, phong.specularColor.b)), phong.cosPower) ;
// no more attributes
matGroup.Children.Add (specular) ;
//See Lambert
//EmissiveMaterial emissive =new EmissiveMaterial (new SolidColorBrush (Color.FromScRgb (1.0f - phong.incandescence.a, phong.incandescence.r, phong.incandescence.g, phong.incandescence.b))) ;
//// no more attributes
//matGroup.Children.Add (emissive) ;
} catch {
}
// todo
//try {
// MFnBlinnShader phong =new MFnBlinnShader (connections [u].node) ;
// //See Lambert
// //SolidColorBrush brush =new SolidColorBrush (Color.FromScRgb (1.0f - phong.transparency.r, phong.color.r, phong.color.g, phong.color.b)) ;
// //brush.Opacity =1.0f - phong.transparency.r ;
// //DiffuseMaterial diffuse =new DiffuseMaterial (brush) ;
// //diffuse.AmbientColor = Color.FromScRgb (1.0f - phong.ambientColor.a, phong.ambientColor.r, phong.ambientColor.g, phong.ambientColor.b) ;
// //// no more attributes
// //matGroup.Children.Add (diffuse) ;
// //See Lambert
// //EmissiveMaterial emissive =new EmissiveMaterial (new SolidColorBrush (Color.FromScRgb (1.0f - phong.incandescence.a, phong.incandescence.r, phong.incandescence.g, phong.incandescence.b))) ;
// //// no more attributes
// //matGroup.Children.Add (emissive) ;
//} catch {
//}
}
}
// Default to Blue
if ( matGroup.Children.Count == 0 )
matGroup.Children.Add (new DiffuseMaterial (new SolidColorBrush (Color.FromRgb (0, 0, 255)))) ;
return (matGroup) ;
}
protected AssociationsSerializer fSerialize; // Serialization format
public metadataBase() : base()
{
fMode = CommandMode.kCreate;
fMeshes = new MObjectArray();
}
public Material MakeMaterial(MFnMesh fnMesh)
{
MaterialGroup matGroup = new MaterialGroup();
MObjectArray shaders = new MObjectArray();
MIntArray indices = new MIntArray();
fnMesh.getConnectedShaders(0, shaders, indices);
for (int i = 0; i < shaders.length; i++)
{
MFnDependencyNode shaderGroup = new MFnDependencyNode(shaders [i]);
MPlug shaderPlug = shaderGroup.findPlug("surfaceShader");
MPlugArray connections = new MPlugArray();
shaderPlug.connectedTo(connections, true, false);
for (int u = 0; u < connections.length; u++)
{
MFnDependencyNode depNode = new MFnDependencyNode(connections [u].node);
//MPlug colorPlug =depNode.findPlug ("color") ;
//MColor mcolor =new MColor () ;
///*MPlugArray cc =new MPlugArray () ;
//colorPlug.connectedTo (cc, true , false) ;
//if ( cc.length > 0 ) {
// // Plug is driven by an input connection.
// for ( int v =0 ; v < cc.length ; v++ ) {
// MPlug color2Plug =cc [v] ;
// Console.WriteLine (color2Plug.numChildren) ;
// color2Plug.child (0).getValue (mcolor.r) ;
// color2Plug.child (1).getValue (mcolor.g) ;
// color2Plug.child (2).getValue (mcolor.b) ;
// //color2Plug.child (3).getValue (mcolor.a) ;
// }
//} else {*/
// mcolor.r =colorPlug.child (0).asFloat () ;
// mcolor.g =colorPlug.child (1).asFloat () ;
// mcolor.b =colorPlug.child (2).asFloat () ;
// //colorPlug.child (3).getValue (mcolor.a) ;
////}
//MPlug trPlug =depNode.findPlug ("transparency") ;
//float transparency =1.0f - trPlug.child (0).asFloat () ;
////return new DiffuseMaterial (new SolidColorBrush (Color.FromScRgb (transparency, mcolor.r, mcolor.g, mcolor.b))) ;
//DiffuseMaterial diffuse =new DiffuseMaterial (new SolidColorBrush (Color.FromScRgb (transparency, mcolor.r, mcolor.g, mcolor.b))) ;
//colorPlug =depNode.findPlug ("ambientColor") ;
//mcolor.r =colorPlug.child (0).asFloat () ;
//mcolor.g =colorPlug.child (1).asFloat () ;
//mcolor.b =colorPlug.child (2).asFloat () ;
//diffuse.AmbientColor =Color.FromScRgb (transparency, mcolor.r, mcolor.g, mcolor.b) ;
//matGroup.Children.Add (diffuse) ;
//colorPlug =depNode.findPlug ("specularColor") ;
//mcolor.r =colorPlug.child (0).asFloat () ;
//mcolor.g =colorPlug.child (1).asFloat () ;
//mcolor.b =colorPlug.child (2).asFloat () ;
//MPlug powerPlug =depNode.findPlug ("cosinePower") ;
//SpecularMaterial specular =new SpecularMaterial (new SolidColorBrush (Color.FromScRgb (1.0f, mcolor.r, mcolor.g, mcolor.b)), powerPlug.asDouble ()) ;
//matGroup.Children.Add (specular) ;
//EmissiveMaterial emissive =new EmissiveMaterial () ;
//matGroup.Children.Add (emissive) ;
try {
MFnLambertShader lambert = new MFnLambertShader(connections [u].node);
SolidColorBrush brush = new SolidColorBrush(Color.FromScRgb(1.0f - lambert.transparency.r, lambert.color.r, lambert.color.g, lambert.color.b));
brush.Opacity = 1.0f - lambert.transparency.r;
DiffuseMaterial diffuse = new DiffuseMaterial(brush);
diffuse.AmbientColor = Color.FromScRgb(1.0f - lambert.ambientColor.a, lambert.ambientColor.r, lambert.ambientColor.g, lambert.ambientColor.b);
// no more attributes
matGroup.Children.Add(diffuse);
// No specular color
EmissiveMaterial emissive = new EmissiveMaterial(new SolidColorBrush(Color.FromScRgb(1.0f - lambert.incandescence.a, lambert.incandescence.r, lambert.incandescence.g, lambert.incandescence.b)));
// no more attributes
matGroup.Children.Add(emissive);
} catch {
}
//try {
// MFnReflectShader reflect =new MFnReflectShader (connections [u].node) ;
// SpecularMaterial specular =new SpecularMaterial (new SolidColorBrush (Color.FromScRgb (1.0f - reflect.specularColor.a, reflect.specularColor.r, reflect.specularColor.g, reflect.specularColor.b)), reflect.cosPower) ;
// // no more attributes
// matGroup.Children.Add (specular) ;
//} catch {
//}
try {
MFnPhongShader phong = new MFnPhongShader(connections [u].node);
//See Lambert
//SolidColorBrush brush =new SolidColorBrush (Color.FromScRgb (1.0f - phong.transparency.r, phong.color.r, phong.color.g, phong.color.b)) ;
//brush.Opacity =1.0f - phong.transparency.r ;
//DiffuseMaterial diffuse =new DiffuseMaterial (brush) ;
//diffuse.AmbientColor =Color.FromScRgb (1.0f - phong.ambientColor.a, phong.ambientColor.r, phong.ambientColor.g, phong.ambientColor.b) ;
//// no more attributes
//matGroup.Children.Add (diffuse) ;
SpecularMaterial specular = new SpecularMaterial(new SolidColorBrush(Color.FromScRgb(1.0f - phong.specularColor.a, phong.specularColor.r, phong.specularColor.g, phong.specularColor.b)), phong.cosPower);
// no more attributes
matGroup.Children.Add(specular);
//See Lambert
//EmissiveMaterial emissive =new EmissiveMaterial (new SolidColorBrush (Color.FromScRgb (1.0f - phong.incandescence.a, phong.incandescence.r, phong.incandescence.g, phong.incandescence.b))) ;
//// no more attributes
//matGroup.Children.Add (emissive) ;
} catch {
}
// todo
//try {
// MFnBlinnShader phong =new MFnBlinnShader (connections [u].node) ;
// //See Lambert
// //SolidColorBrush brush =new SolidColorBrush (Color.FromScRgb (1.0f - phong.transparency.r, phong.color.r, phong.color.g, phong.color.b)) ;
// //brush.Opacity =1.0f - phong.transparency.r ;
// //DiffuseMaterial diffuse =new DiffuseMaterial (brush) ;
// //diffuse.AmbientColor = Color.FromScRgb (1.0f - phong.ambientColor.a, phong.ambientColor.r, phong.ambientColor.g, phong.ambientColor.b) ;
// //// no more attributes
// //matGroup.Children.Add (diffuse) ;
// //See Lambert
// //EmissiveMaterial emissive =new EmissiveMaterial (new SolidColorBrush (Color.FromScRgb (1.0f - phong.incandescence.a, phong.incandescence.r, phong.incandescence.g, phong.incandescence.b))) ;
// //// no more attributes
// //matGroup.Children.Add (emissive) ;
//} catch {
//}
}
}
// Default to Blue
if (matGroup.Children.Count == 0)
{
matGroup.Children.Add(new DiffuseMaterial(new SolidColorBrush(Color.FromRgb(0, 0, 255))));
}
return(matGroup);
}
public override void getDrawRequests(MDrawInfo info,
bool objectAndActiveOnly,
MDrawRequestQueue queue)
{
apiSimpleShape shapeNode = surfaceShape as apiSimpleShape;
if (shapeNode == null)
{
return;
}
// This call creates a prototype draw request that we can fill
// in and then add to the draw queue.
//
MDrawRequest request = info.getPrototype(this);
MDrawData data;
MVectorArray geomPtr = shapeNode.controlPoints;
// Stuff our data into the draw request, it'll be used when the drawing
// actually happens
getDrawData(geomPtr, out data);
request.setDrawData(data);
// Decode the draw info and determine what needs to be drawn
//
M3dView.DisplayStyle appearance = info.displayStyle;
M3dView.DisplayStatus displayStatus = info.displayStatus;
switch (appearance)
{
case M3dView.DisplayStyle.kWireFrame:
{
request.token = (int)DrawShapeStyle.kDrawWireframe;
M3dView.ColorTable activeColorTable = M3dView.ColorTable.kActiveColors;
M3dView.ColorTable dormantColorTable = M3dView.ColorTable.kDormantColors;
switch (displayStatus)
{
case M3dView.DisplayStatus.kLead:
request.setColor(LEAD_COLOR, (int)activeColorTable);
break;
case M3dView.DisplayStatus.kActive:
request.setColor(ACTIVE_COLOR, (int)activeColorTable);
break;
case M3dView.DisplayStatus.kActiveAffected:
request.setColor(ACTIVE_AFFECTED_COLOR, (int)activeColorTable);
break;
case M3dView.DisplayStatus.kDormant:
request.setColor(DORMANT_COLOR, (int)dormantColorTable);
break;
case M3dView.DisplayStatus.kHilite:
request.setColor(HILITE_COLOR, (int)activeColorTable);
break;
default:
break;
}
queue.add(request);
break;
}
case M3dView.DisplayStyle.kGouraudShaded:
{
// Create the smooth shaded draw request
//
request.token = (int)DrawShapeStyle.kDrawSmoothShaded;
// Need to get the material info
//
MDagPath path = info.multiPath; // path to your dag object
M3dView view = info.view; // view to draw to
MMaterial material = base.material(path);
// Evaluate the material and if necessary, the texture.
//
material.evaluateMaterial(view, path);
bool drawTexture = true;
if (drawTexture && material.materialIsTextured)
{
material.evaluateTexture(data);
}
request.material = material;
bool materialTransparent = false;
material.getHasTransparency(ref materialTransparent);
if (materialTransparent)
{
request.isTransparent = true;
}
queue.add(request);
// create a draw request for wireframe on shaded if
// necessary.
//
if ((displayStatus == M3dView.DisplayStatus.kActive) ||
(displayStatus == M3dView.DisplayStatus.kLead) ||
(displayStatus == M3dView.DisplayStatus.kHilite))
{
MDrawRequest wireRequest = request;
wireRequest.setDrawData(data);
wireRequest.token = (int)DrawShapeStyle.kDrawWireframeOnShaded;
wireRequest.displayStyle = M3dView.DisplayStyle.kWireFrame;
M3dView.ColorTable activeColorTable = M3dView.ColorTable.kActiveColors;
switch (displayStatus)
{
case M3dView.DisplayStatus.kLead:
wireRequest.setColor(LEAD_COLOR, (int)activeColorTable);
break;
case M3dView.DisplayStatus.kActive:
wireRequest.setColor(ACTIVE_COLOR, (int)activeColorTable);
break;
case M3dView.DisplayStatus.kHilite:
wireRequest.setColor(HILITE_COLOR, (int)activeColorTable);
break;
default:
break;
}
queue.add(wireRequest);
}
break;
}
case M3dView.DisplayStyle.kFlatShaded:
request.token = (int)DrawShapeStyle.kDrawFlatShaded;
break;
default:
break;
}
// Add draw requests for components
//
if (!objectAndActiveOnly)
{
// Inactive components
//
if ((appearance == M3dView.DisplayStyle.kPoints) ||
(displayStatus == M3dView.DisplayStatus.kHilite))
{
MDrawRequest vertexRequest = request;
vertexRequest.setDrawData(data);
vertexRequest.token = (int)DrawShapeStyle.kDrawVertices;
vertexRequest.setColor(DORMANT_VERTEX_COLOR, (int)M3dView.ColorTable.kActiveColors);
queue.add(vertexRequest);
}
// Active components
//
if (shapeNode.hasActiveComponents)
{
MDrawRequest activeVertexRequest = request;
activeVertexRequest.setDrawData(data);
activeVertexRequest.token = (int)DrawShapeStyle.kDrawVertices;
activeVertexRequest.setColor(ACTIVE_VERTEX_COLOR, (int)M3dView.ColorTable.kActiveColors);
MObjectArray clist = shapeNode.activeComponents;
MObject vertexComponent = clist[0]; // Should filter list
activeVertexRequest.component = vertexComponent;
queue.add(activeVertexRequest);
}
}
}
public static List <Surface> meshToNurbs(MFnMesh mayaMesh)
{
MFnSubd subDmesh = new MFnSubd();
subDmesh.isIntermediateObject = true;
MPointArray mayaVerts = new MPointArray();
mayaMesh.getPoints(mayaVerts, MSpace.Space.kWorld);
MIntArray polyVertct = new MIntArray();
MIntArray ids = new MIntArray();
MIntArray idList = new MIntArray();
for (int i = 0; i < mayaMesh.numPolygons; i++)
{
mayaMesh.getPolygonVertices(i, ids);
foreach (var id in ids)
{
idList.Add(id);
}
polyVertct.Add(ids.Count);
}
subDmesh.createBaseMesh(false, mayaMesh.numVertices, mayaMesh.numPolygons, mayaVerts, polyVertct, idList);
try
{
MUintArray creaseEdgId = new MUintArray();
MDoubleArray creaseEdgeVal = new MDoubleArray();
mayaMesh.getCreaseEdges(creaseEdgId, creaseEdgeVal);
foreach (var edgId in creaseEdgId)
{
subDmesh.edgeSetCrease(edgId, true);
}
}
catch {}
try
{
MUintArray creaseVertId = new MUintArray();
MDoubleArray creaseVertVal = new MDoubleArray();
mayaMesh.getCreaseVertices(creaseVertId, creaseVertVal);
foreach (var vertId in creaseVertId)
{
subDmesh.vertexSetCrease(vertId, true);
}
}
catch { }
subDmesh.updateAllEditsAndCreases();
MObjectArray nurbsSurfs = new MObjectArray();
subDmesh.convertToNurbs(nurbsSurfs);
List <MFnNurbsSurface> mfnSurfaceList = new List <MFnNurbsSurface>(nurbsSurfs.Count);
foreach (var surf in nurbsSurfs)
{
mfnSurfaceList.Add(new MFnNurbsSurface(surf));
}
List <Surface> dynSurfaceList = new List <Surface>(mfnSurfaceList.Count);
foreach (var mfnNS in mfnSurfaceList)
{
dynSurfaceList.Add(DMSurface.mNurbsSurfaceToDynamoSurface(mfnNS, MSpace.Space.kObject));
}
MGlobal.deleteNode(subDmesh.model);
return(dynSurfaceList);
}
/// <summary>
///
/// </summary>
/// <param name="mDagPath">DAG path to the transform above mesh</param>
/// <param name="babylonScene"></param>
/// <returns></returns>
private BabylonNode ExportMesh(MDagPath mDagPath, BabylonScene babylonScene)
{
RaiseMessage(mDagPath.partialPathName, 1);
// Transform above mesh
MFnTransform mFnTransform = new MFnTransform(mDagPath);
// Mesh direct child of the transform
MFnMesh mFnMesh = null;
for (uint i = 0; i < mFnTransform.childCount; i++)
{
MObject childObject = mFnTransform.child(i);
if (childObject.apiType == MFn.Type.kMesh)
{
var _mFnMesh = new MFnMesh(childObject);
if (!_mFnMesh.isIntermediateObject)
{
mFnMesh = _mFnMesh;
}
}
}
if (mFnMesh == null)
{
RaiseError("No mesh found has child of " + mDagPath.fullPathName);
return(null);
}
RaiseMessage("mFnMesh.fullPathName=" + mFnMesh.fullPathName, 2);
// --- prints ---
#region prints
Action <MFnDagNode> printMFnDagNode = (MFnDagNode mFnDagNode) =>
{
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.name=" + mFnDagNode.name, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.absoluteName=" + mFnDagNode.absoluteName, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.fullPathName=" + mFnDagNode.fullPathName, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.partialPathName=" + mFnDagNode.partialPathName, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.activeColor=" + mFnDagNode.activeColor.toString(), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.attributeCount=" + mFnDagNode.attributeCount, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.childCount=" + mFnDagNode.childCount, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.dormantColor=" + mFnDagNode.dormantColor, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.hasUniqueName=" + mFnDagNode.hasUniqueName, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.inUnderWorld=" + mFnDagNode.inUnderWorld, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isDefaultNode=" + mFnDagNode.isDefaultNode, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isInstanceable=" + mFnDagNode.isInstanceable, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isInstanced(true)=" + mFnDagNode.isInstanced(true), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isInstanced(false)=" + mFnDagNode.isInstanced(false), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isInstanced()=" + mFnDagNode.isInstanced(), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.instanceCount(true)=" + mFnDagNode.instanceCount(true), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.instanceCount(false)=" + mFnDagNode.instanceCount(false), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isIntermediateObject=" + mFnDagNode.isIntermediateObject, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isShared=" + mFnDagNode.isShared, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.objectColor=" + mFnDagNode.objectColor, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.parentCount=" + mFnDagNode.parentCount, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.parentNamespace=" + mFnDagNode.parentNamespace, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.uuid().asString()=" + mFnDagNode.uuid().asString(), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.dagRoot().apiType=" + mFnDagNode.dagRoot().apiType, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.model.equalEqual(mFnDagNode.objectProperty)=" + mFnDagNode.model.equalEqual(mFnDagNode.objectProperty), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.transformationMatrix.toString()=" + mFnDagNode.transformationMatrix.toString(), 3);
};
Action <MFnMesh> printMFnMesh = (MFnMesh _mFnMesh) =>
{
printMFnDagNode(mFnMesh);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numVertices=" + _mFnMesh.numVertices, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numEdges=" + _mFnMesh.numEdges, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numPolygons=" + _mFnMesh.numPolygons, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numFaceVertices=" + _mFnMesh.numFaceVertices, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numNormals=" + _mFnMesh.numNormals, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numUVSets=" + _mFnMesh.numUVSets, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numUVsProperty=" + _mFnMesh.numUVsProperty, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.displayColors=" + _mFnMesh.displayColors, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numColorSets=" + _mFnMesh.numColorSets, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numColorsProperty=" + _mFnMesh.numColorsProperty, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.currentUVSetName()=" + _mFnMesh.currentUVSetName(), 3);
var _uvSetNames = new MStringArray();
mFnMesh.getUVSetNames(_uvSetNames);
foreach (var uvSetName in _uvSetNames)
{
RaiseVerbose("BabylonExporter.Mesh | uvSetName=" + uvSetName, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnMesh.numUVs(uvSetName)=" + mFnMesh.numUVs(uvSetName), 4);
MFloatArray us = new MFloatArray();
MFloatArray vs = new MFloatArray();
mFnMesh.getUVs(us, vs, uvSetName);
RaiseVerbose("BabylonExporter.Mesh | us.Count=" + us.Count, 4);
}
};
Action <MFnTransform> printMFnTransform = (MFnTransform _mFnMesh) =>
{
printMFnDagNode(mFnMesh);
};
RaiseVerbose("BabylonExporter.Mesh | mFnMesh data", 2);
printMFnMesh(mFnMesh);
RaiseVerbose("BabylonExporter.Mesh | mFnTransform data", 2);
printMFnTransform(mFnTransform);
Print(mFnTransform, 2, "Print ExportMesh mFnTransform");
Print(mFnMesh, 2, "Print ExportMesh mFnMesh");
//// Geometry
//MIntArray triangleCounts = new MIntArray();
//MIntArray trianglesVertices = new MIntArray();
//mFnMesh.getTriangles(triangleCounts, trianglesVertices);
//RaiseVerbose("BabylonExporter.Mesh | triangleCounts.ToArray()=" + triangleCounts.ToArray().toString(), 3);
//RaiseVerbose("BabylonExporter.Mesh | trianglesVertices.ToArray()=" + trianglesVertices.ToArray().toString(), 3);
//int[] polygonsVertexCount = new int[mFnMesh.numPolygons];
//for (int polygonId = 0; polygonId < mFnMesh.numPolygons; polygonId++)
//{
// polygonsVertexCount[polygonId] = mFnMesh.polygonVertexCount(polygonId);
//}
//RaiseVerbose("BabylonExporter.Mesh | polygonsVertexCount=" + polygonsVertexCount.toString(), 3);
////MFloatPointArray points = new MFloatPointArray();
////mFnMesh.getPoints(points);
////RaiseVerbose("BabylonExporter.Mesh | points.ToArray()=" + points.ToArray().Select(mFloatPoint => mFloatPoint.toString()), 3);
////MFloatVectorArray normals = new MFloatVectorArray();
////mFnMesh.getNormals(normals);
////RaiseVerbose("BabylonExporter.Mesh | normals.ToArray()=" + normals.ToArray().Select(mFloatPoint => mFloatPoint.toString()), 3);
//for (int polygonId = 0; polygonId < mFnMesh.numPolygons; polygonId++)
//{
// MIntArray verticesId = new MIntArray();
// RaiseVerbose("BabylonExporter.Mesh | polygonId=" + polygonId, 3);
// int nbTriangles = triangleCounts[polygonId];
// RaiseVerbose("BabylonExporter.Mesh | nbTriangles=" + nbTriangles, 3);
// for (int triangleIndex = 0; triangleIndex < triangleCounts[polygonId]; triangleIndex++)
// {
// RaiseVerbose("BabylonExporter.Mesh | triangleIndex=" + triangleIndex, 3);
// int[] triangleVertices = new int[3];
// mFnMesh.getPolygonTriangleVertices(polygonId, triangleIndex, triangleVertices);
// RaiseVerbose("BabylonExporter.Mesh | triangleVertices=" + triangleVertices.toString(), 3);
// foreach (int vertexId in triangleVertices)
// {
// RaiseVerbose("BabylonExporter.Mesh | vertexId=" + vertexId, 3);
// MPoint point = new MPoint();
// mFnMesh.getPoint(vertexId, point);
// RaiseVerbose("BabylonExporter.Mesh | point=" + point.toString(), 3);
// MVector normal = new MVector();
// mFnMesh.getFaceVertexNormal(polygonId, vertexId, normal);
// RaiseVerbose("BabylonExporter.Mesh | normal=" + normal.toString(), 3);
// }
// }
//}
#endregion
if (IsMeshExportable(mFnMesh, mDagPath) == false)
{
return(null);
}
var babylonMesh = new BabylonMesh {
name = mFnTransform.name, id = mFnTransform.uuid().asString()
};
// Position / rotation / scaling / hierarchy
ExportNode(babylonMesh, mFnTransform, babylonScene);
// Misc.
// TODO - Retreive from Maya
// TODO - What is the difference between isVisible and visibility?
// TODO - Fix fatal error: Attempting to save in C:/Users/Fabrice/AppData/Local/Temp/Fabrice.20171205.1613.ma
//babylonMesh.isVisible = mDagPath.isVisible;
//babylonMesh.visibility = meshNode.MaxNode.GetVisibility(0, Tools.Forever);
//babylonMesh.receiveShadows = meshNode.MaxNode.RcvShadows == 1;
//babylonMesh.applyFog = meshNode.MaxNode.ApplyAtmospherics == 1;
if (mFnMesh.numPolygons < 1)
{
RaiseError($"Mesh {babylonMesh.name} has no face", 2);
}
if (mFnMesh.numVertices < 3)
{
RaiseError($"Mesh {babylonMesh.name} has not enough vertices", 2);
}
if (mFnMesh.numVertices >= 65536)
{
RaiseWarning($"Mesh {babylonMesh.name} has more than 65536 vertices which means that it will require specific WebGL extension to be rendered. This may impact portability of your scene on low end devices.", 2);
}
// Material
MObjectArray shaders = new MObjectArray();
mFnMesh.getConnectedShaders(0, shaders, new MIntArray());
if (shaders.Count > 0)
{
List <MFnDependencyNode> materials = new List <MFnDependencyNode>();
foreach (MObject shader in shaders)
{
// Retreive material
MFnDependencyNode shadingEngine = new MFnDependencyNode(shader);
MPlug mPlugSurfaceShader = shadingEngine.findPlug("surfaceShader");
MObject materialObject = mPlugSurfaceShader.source.node;
MFnDependencyNode material = new MFnDependencyNode(materialObject);
materials.Add(material);
}
if (shaders.Count == 1)
{
MFnDependencyNode material = materials[0];
// Material is referenced by id
babylonMesh.materialId = material.uuid().asString();
// Register material for export if not already done
if (!referencedMaterials.Contains(material, new MFnDependencyNodeEqualityComparer()))
{
referencedMaterials.Add(material);
}
}
else
{
// Create a new id for the group of sub materials
string uuidMultiMaterial = GetMultimaterialUUID(materials);
// Multi material is referenced by id
babylonMesh.materialId = uuidMultiMaterial;
// Register multi material for export if not already done
if (!multiMaterials.ContainsKey(uuidMultiMaterial))
{
multiMaterials.Add(uuidMultiMaterial, materials);
}
}
}
var vertices = new List <GlobalVertex>();
var indices = new List <int>();
var uvSetNames = new MStringArray();
mFnMesh.getUVSetNames(uvSetNames);
bool[] isUVExportSuccess = new bool[Math.Min(uvSetNames.Count, 2)];
for (int indexUVSet = 0; indexUVSet < isUVExportSuccess.Length; indexUVSet++)
{
isUVExportSuccess[indexUVSet] = true;
}
// TODO - color, alpha
//var hasColor = unskinnedMesh.NumberOfColorVerts > 0;
//var hasAlpha = unskinnedMesh.GetNumberOfMapVerts(-2) > 0;
// TODO - Add custom properties
var optimizeVertices = false; // meshNode.MaxNode.GetBoolProperty("babylonjs_optimizevertices");
// Compute normals
var subMeshes = new List <BabylonSubMesh>();
ExtractGeometry(mFnMesh, vertices, indices, subMeshes, uvSetNames, ref isUVExportSuccess, optimizeVertices);
if (vertices.Count >= 65536)
{
RaiseWarning($"Mesh {babylonMesh.name} has {vertices.Count} vertices. This may prevent your scene to work on low end devices where 32 bits indice are not supported", 2);
if (!optimizeVertices)
{
RaiseError("You can try to optimize your object using [Try to optimize vertices] option", 2);
}
}
for (int indexUVSet = 0; indexUVSet < isUVExportSuccess.Length; indexUVSet++)
{
string uvSetName = uvSetNames[indexUVSet];
// If at least one vertex is mapped to an UV coordinate but some have failed to be exported
if (isUVExportSuccess[indexUVSet] == false && mFnMesh.numUVs(uvSetName) > 0)
{
RaiseWarning($"Failed to export UV set named {uvSetName}. Ensure all vertices are mapped to a UV coordinate.", 2);
}
}
RaiseMessage($"{vertices.Count} vertices, {indices.Count / 3} faces", 2);
// Buffers
babylonMesh.positions = vertices.SelectMany(v => v.Position).ToArray();
babylonMesh.normals = vertices.SelectMany(v => v.Normal).ToArray();
// TODO - Export colors ?
//babylonMesh.colors = vertices.SelectMany(v => v.Color).ToArray();
if (uvSetNames.Count > 0 && isUVExportSuccess[0])
{
babylonMesh.uvs = vertices.SelectMany(v => v.UV).ToArray();
}
if (uvSetNames.Count > 1 && isUVExportSuccess[1])
{
babylonMesh.uvs2 = vertices.SelectMany(v => v.UV2).ToArray();
}
babylonMesh.subMeshes = subMeshes.ToArray();
// Buffers - Indices
babylonMesh.indices = indices.ToArray();
babylonScene.MeshesList.Add(babylonMesh);
RaiseMessage("BabylonExporter.Mesh | done", 2);
return(babylonMesh);
}
public override void doIt(MArgList args)
{
// parse the command arguments
//
parseArgs(args);
uint count = 0;
// if the character flag was used, create the clip on the specified
// character, otherwise, create a character
//
MFnCharacter fnCharacter = new MFnCharacter();
if (fCharacter.isNull)
{
MSelectionList activeList = new MSelectionList();
MGlobal.getActiveSelectionList(activeList);
if (0 == activeList.length)
{
throw new ApplicationException("Empty Active Selection List.");
}
// create a character using the selection list
//
fCharacter = fnCharacter.create(activeList, MFnSet.Restriction.kNone);
}
else
{
fnCharacter.setObject(fCharacter);
}
// Get the array of members of the character. We will create a clip
// for them.
//
MPlugArray plugs = new MPlugArray();
fnCharacter.getMemberPlugs(plugs);
// Now create a animCurves to use as a clip for the character.
// The curves will be set up between frames 0 and 10;
//
MTime start = new MTime(0.0);
MTime duration = new MTime(10.0);
MObjectArray clipCurves = new MObjectArray();
for (count = 0; count < plugs.length; ++count)
{
// Now create a bunch of animCurves to use as a clip for the
// character
//
MFnAnimCurve fnCurve = new MFnAnimCurve();
MObject curve = fnCurve.create(MFnAnimCurve.AnimCurveType.kAnimCurveTL); // plugType);
fnCurve.addKeyframe(start, 5.0);
fnCurve.addKeyframe(duration, 15.0);
clipCurves.append(curve);
}
// Create a source clip node and add the animation to it
//
MFnClip fnClipCreate = new MFnClip();
MObject sourceClip = fnClipCreate.createSourceClip(start, duration, fMod);
fnCharacter.attachSourceToCharacter(sourceClip, fMod);
for (count = 0; count < plugs.length; ++count)
{
MPlug animPlug = plugs[(int)count];
fnCharacter.addCurveToClip(clipCurves[(int)count], sourceClip, animPlug, fMod);
}
// instance the clip
//
MTime schedStart = new MTime(15.0);
MObject instancedClip = fnClipCreate.createInstancedClip(sourceClip, schedStart, fMod);
fnCharacter.attachInstanceToCharacter(instancedClip, fMod);
// instance the clip a second time, at time 30
//
schedStart.value = 30.0;
MObject instancedClip2 = fnClipCreate.createInstancedClip(sourceClip, schedStart, fMod);
fnCharacter.attachInstanceToCharacter(instancedClip2, fMod);
return;
}
//
// Description:
// Overloaded function from MPxDragAndDropBehavior
// this method will handle the connection between the slopeShaderNodeCSharp and the shader it is
// assigned to as well as any meshes that it is assigned to.
//
public override void connectNodeToNode(MObject sourceNode, MObject destinationNode, bool force)
{
MFnDependencyNode src = new MFnDependencyNode(sourceNode);
//if we are dragging from a lambert
//we want to check what we are dragging
//onto.
if(sourceNode.hasFn(MFn.Type.kLambert))
{
//MObject shaderNode;
MPlugArray connections = new MPlugArray();
MObjectArray shaderNodes = new MObjectArray();
shaderNodes.clear();
//if the source node was a lambert
//than we will check the downstream connections to see
//if a slope shader is assigned to it.
//
src.getConnections(connections);
int i;
for(i = 0; i < connections.length; i++)
{
//check the incoming connections to this plug
//
MPlugArray connectedPlugs = new MPlugArray();
connections[i].connectedTo(connectedPlugs, true, false);
for(uint j = 0; j < connectedPlugs.length; j++)
{
//if the incoming node is a slope shader than
//append the node to the shaderNodes array
//
MObject currentnode = connectedPlugs[i].node;
if (new MFnDependencyNode(currentnode).typeName == "slopeShaderNodeCSharp")
{
shaderNodes.append(currentnode);
}
}
}
//if we found a shading node
//than check the destination node
//type to see if it is a mesh
//
if(shaderNodes.length > 0)
{
MFnDependencyNode dest = new MFnDependencyNode(destinationNode);
if(destinationNode.hasFn(MFn.Type.kMesh))
{
//if the node is a mesh than for each slopeShaderNodeCSharp
//connect the worldMesh attribute to the dirtyShaderPlug
//attribute to force an evaluation of the node when the mesh
//changes
//
for(i = 0; i < shaderNodes.length; i++)
{
MPlug srcPlug = dest.findPlug("worldMesh");
MPlug destPlug = new MFnDependencyNode(shaderNodes[i]).findPlug("dirtyShaderPlug");
if(!srcPlug.isNull && !destPlug.isNull)
{
string cmd = "connectAttr -na ";
cmd += srcPlug.name + " ";
cmd += destPlug.name;
try
{
// in slopeShaderBehavior.cpp, this may excute failed but continue on the following code, so we catch it.
MGlobal.executeCommand(cmd);
}
catch (System.Exception)
{
MGlobal.displayError("ExcuteCommand (" + cmd + ") failed.");
}
}
}
//get the shading engine so we can assign the shader
//to the mesh after doing the connection
//
MObject shadingEngine = findShadingEngine(sourceNode);
//if there is a valid shading engine than make
//the connection
//
if(!shadingEngine.isNull)
{
string cmd = "sets -edit -forceElement ";
cmd += new MFnDependencyNode(shadingEngine).name + " ";
cmd += new MFnDagNode(destinationNode).partialPathName;
MGlobal.executeCommand(cmd);
}
}
}
}
else if (src.typeName == "slopeShaderNodeCSharp")
//if we are dragging from a slope shader
//than we want to see what we are dragging onto
//
{
if(destinationNode.hasFn(MFn.Type.kMesh))
{
//if the user is dragging onto a mesh
//than make the connection from the worldMesh
//to the dirtyShader plug on the slopeShaderNodeCSharp
//
MFnDependencyNode dest = new MFnDependencyNode(destinationNode);
MPlug srcPlug = dest.findPlug("worldMesh");
MPlug destPlug = src.findPlug("dirtyShaderPlug");
if(!srcPlug.isNull && !destPlug.isNull)
{
string cmd = "connectAttr -na ";
cmd += srcPlug.name + " ";
cmd += destPlug.name;
MGlobal.executeCommand(cmd);
}
}
}
return;
}
protected override void getOutputAttributes(MObjectArray attributeArray)
{
attributeArray.clear();
attributeArray.append(GeometrySurfaceConstraint.constraintGeometry);
}
public apiSimpleShapeIterator(object userGeometry, MObjectArray components)
: base(userGeometry, components)
{
mGeometry = userGeometry as MVectorArray;
reset();
}
public override void doIt(MArgList args)
{
// parse the command arguments
//
parseArgs(args);
uint count = 0;
// if the character flag was used, create the clip on the specified
// character, otherwise, create a character
//
MFnCharacter fnCharacter = new MFnCharacter();
if (fCharacter.isNull)
{
MSelectionList activeList = new MSelectionList();
MGlobal.getActiveSelectionList(activeList);
if (0 == activeList.length)
{
throw new ApplicationException("Empty Active Selection List.");
}
// create a character using the selection list
//
fCharacter = fnCharacter.create(activeList, MFnSet.Restriction.kNone);
}
else
fnCharacter.setObject(fCharacter);
// Get the array of members of the character. We will create a clip
// for them.
//
MPlugArray plugs = new MPlugArray();
fnCharacter.getMemberPlugs(plugs);
// Now create a animCurves to use as a clip for the character.
// The curves will be set up between frames 0 and 10;
//
MTime start = new MTime(0.0);
MTime duration = new MTime(10.0);
MObjectArray clipCurves = new MObjectArray();
for (count = 0; count < plugs.length; ++count)
{
// Now create a bunch of animCurves to use as a clip for the
// character
//
MFnAnimCurve fnCurve = new MFnAnimCurve();
MObject curve = fnCurve.create(MFnAnimCurve.AnimCurveType.kAnimCurveTL); // plugType);
fnCurve.addKeyframe(start, 5.0);
fnCurve.addKeyframe(duration, 15.0);
clipCurves.append(curve);
}
// Create a source clip node and add the animation to it
//
MFnClip fnClipCreate = new MFnClip();
MObject sourceClip = fnClipCreate.createSourceClip(start, duration, fMod);
fnCharacter.attachSourceToCharacter(sourceClip, fMod);
for (count = 0; count < plugs.length; ++count)
{
MPlug animPlug = plugs[(int)count];
fnCharacter.addCurveToClip(clipCurves[(int)count], sourceClip, animPlug, fMod);
}
// instance the clip
//
MTime schedStart = new MTime(15.0);
MObject instancedClip = fnClipCreate.createInstancedClip(sourceClip, schedStart, fMod);
fnCharacter.attachInstanceToCharacter(instancedClip, fMod);
// instance the clip a second time, at time 30
//
schedStart.value = 30.0;
MObject instancedClip2 = fnClipCreate.createInstancedClip(sourceClip, schedStart, fMod);
fnCharacter.attachInstanceToCharacter(instancedClip2, fMod);
return;
}
public void Create(SKLFile skl)
{
MSelectionList currentSelection = MGlobal.activeSelectionList;
MItSelectionList currentSelectionIterator = new MItSelectionList(currentSelection, MFn.Type.kMesh);
MDagPath meshDagPath = new MDagPath();
if (currentSelectionIterator.isDone)
{
MGlobal.displayError("SKNFile:Create - No mesh selected!");
throw new Exception("SKNFile:Create - No mesh selected!");
}
else
{
currentSelectionIterator.getDagPath(meshDagPath);
currentSelectionIterator.next();
if (!currentSelectionIterator.isDone)
{
MGlobal.displayError("SKNFile:Create - More than one mesh selected!");
throw new Exception("SKNFile:Create - More than one mesh selected!");
}
}
MFnMesh mesh = new MFnMesh(meshDagPath);
//Find Skin Cluster
MPlug inMeshPlug = mesh.findPlug("inMesh");
MPlugArray inMeshConnections = new MPlugArray();
inMeshPlug.connectedTo(inMeshConnections, true, false);
if (inMeshConnections.length == 0)
{
MGlobal.displayError("SKNFile:Create - Failed to find Skin Cluster!");
throw new Exception("SKNFile:Create - Failed to find Skin Cluster!");
}
MPlug outputGeometryPlug = inMeshConnections[0];
MFnSkinCluster skinCluster = new MFnSkinCluster(outputGeometryPlug.node);
MDagPathArray influenceDagPaths = new MDagPathArray();
uint influenceCount = skinCluster.influenceObjects(influenceDagPaths);
MGlobal.displayInfo("SKNFile:Create - Influence Count: " + influenceCount);
//Get SKL Influence Indices
MIntArray sklInfluenceIndices = new MIntArray(influenceCount);
for (int i = 0; i < influenceCount; i++)
{
MDagPath jointDagPath = influenceDagPaths[i];
MGlobal.displayInfo(jointDagPath.fullPathName);
//Loop through Joint DAG Paths, if we find a math for the influence, write the index
for (int j = 0; j < skl.JointDagPaths.Count; j++)
{
if (jointDagPath.equalEqual(skl.JointDagPaths[j]))
{
MGlobal.displayInfo("Found coresponding DAG path");
sklInfluenceIndices[i] = j;
break;
}
}
}
//Add Influence indices to SKL File
MIntArray maskInfluenceIndex = new MIntArray(influenceCount);
for (int i = 0; i < influenceCount; i++)
{
maskInfluenceIndex[i] = i;
skl.Influences.Add((short)sklInfluenceIndices[i]);
}
MObjectArray shaders = new MObjectArray();
MIntArray polygonShaderIndices = new MIntArray();
mesh.getConnectedShaders(meshDagPath.isInstanced ? meshDagPath.instanceNumber : 0, shaders, polygonShaderIndices);
uint shaderCount = shaders.length;
if (shaderCount > 32) //iirc 32 is the limit of how many submeshes there can be for an SKN file
{
MGlobal.displayError("SKNFile:Create - You've exceeded the maximum limit of 32 shaders");
throw new Exception("SKNFile:Create - You've exceeded the maximum limit of 32 shaders");
}
MIntArray vertexShaders = new MIntArray();
ValidateMeshTopology(mesh, meshDagPath, polygonShaderIndices, ref vertexShaders, shaderCount);
//Get Weights
MFnSingleIndexedComponent vertexIndexedComponent = new MFnSingleIndexedComponent();
MObject vertexComponent = vertexIndexedComponent.create(MFn.Type.kMeshVertComponent);
MIntArray groupVertexIndices = new MIntArray((uint)mesh.numVertices);
for (int i = 0; i < mesh.numVertices; i++)
{
groupVertexIndices[i] = i;
}
vertexIndexedComponent.addElements(groupVertexIndices);
MDoubleArray weights = new MDoubleArray();
uint weightsInfluenceCount = 0;
skinCluster.getWeights(meshDagPath, vertexComponent, weights, ref weightsInfluenceCount);
//Check if vertices don't have more than 4 influences and normalize weights
for (int i = 0; i < mesh.numVertices; i++)
{
int vertexInfluenceCount = 0;
double weightSum = 0;
for (int j = 0; j < weightsInfluenceCount; j++)
{
double weight = weights[(int)(i * weightsInfluenceCount) + j];
if (weight != 0)
{
vertexInfluenceCount++;
weightSum += weight;
}
}
if (vertexInfluenceCount > 4)
{
MGlobal.displayError("SKNFile:Create - Mesh contains a vertex with more than 4 influences");
throw new Exception("SKNFile:Create - Mesh contains a vertex with more than 4 influences");
}
//Normalize weights
for (int j = 0; j < weightsInfluenceCount; j++)
{
weights[(int)(i * influenceCount) + j] /= weightSum;
}
}
List <MIntArray> shaderVertexIndices = new List <MIntArray>();
List <List <SKNVertex> > shaderVertices = new List <List <SKNVertex> >();
List <MIntArray> shaderIndices = new List <MIntArray>();
for (int i = 0; i < shaderCount; i++)
{
shaderVertexIndices.Add(new MIntArray());
shaderVertices.Add(new List <SKNVertex>());
shaderIndices.Add(new MIntArray());
}
MItMeshVertex meshVertexIterator = new MItMeshVertex(meshDagPath);
for (meshVertexIterator.reset(); !meshVertexIterator.isDone; meshVertexIterator.next())
{
int index = meshVertexIterator.index();
int shader = vertexShaders[index];
if (shader == -1)
{
MGlobal.displayWarning("SKNFile:Create - Mesh contains a vertex with no shader");
continue;
}
MPoint pointPosition = meshVertexIterator.position(MSpace.Space.kWorld);
Vector3 position = new Vector3((float)pointPosition.x, (float)pointPosition.y, (float)pointPosition.z);
MVectorArray normals = new MVectorArray();
MIntArray uvIndices = new MIntArray();
Vector3 normal = new Vector3();
byte[] weightIndices = new byte[4];
float[] vertexWeights = new float[4];
meshVertexIterator.getNormals(normals);
//Normalize normals
for (int i = 0; i < normals.length; i++)
{
normal.X += (float)normals[i].x;
normal.Y += (float)normals[i].y;
normal.Z += (float)normals[i].z;
}
normal.X /= normals.length;
normal.Y /= normals.length;
normal.Z /= normals.length;
//Get Weight Influences and Weights
int weightsFound = 0;
for (int j = 0; j < weightsInfluenceCount && weightsFound < 4; j++)
{
double weight = weights[(int)(index * weightsInfluenceCount) + j];
if (weight != 0)
{
weightIndices[weightsFound] = (byte)maskInfluenceIndex[j];
vertexWeights[weightsFound] = (float)weight;
weightsFound++;
}
}
//Get unique UVs
meshVertexIterator.getUVIndices(uvIndices);
if (uvIndices.length != 0)
{
List <int> seen = new List <int>();
for (int j = 0; j < uvIndices.length; j++)
{
int uvIndex = uvIndices[j];
if (!seen.Contains(uvIndex))
{
seen.Add(uvIndex);
float u = 0;
float v = 0;
mesh.getUV(uvIndex, ref u, ref v);
SKNVertex vertex = new SKNVertex(position, weightIndices, vertexWeights, normal, new Vector2(u, 1 - v));
vertex.UVIndex = uvIndex;
shaderVertices[shader].Add(vertex);
shaderVertexIndices[shader].append(index);
}
}
}
else
{
MGlobal.displayError("SKNFile:Create - Mesh contains a vertex with no UVs");
throw new Exception("SKNFile:Create - Mesh contains a vertex with no UVs");
}
}
//Convert from Maya indices to data indices
int currentIndex = 0;
MIntArray dataIndices = new MIntArray((uint)mesh.numVertices, -1);
for (int i = 0; i < shaderCount; i++)
{
for (int j = 0; j < shaderVertexIndices[i].length; j++)
{
int index = shaderVertexIndices[i][j];
if (dataIndices[index] == -1)
{
dataIndices[index] = currentIndex;
shaderVertices[i][j].DataIndex = currentIndex;
}
else
{
shaderVertices[i][j].DataIndex = dataIndices[index];
}
currentIndex++;
}
this.Vertices.AddRange(shaderVertices[i]);
}
MItMeshPolygon polygonIterator = new MItMeshPolygon(meshDagPath);
for (polygonIterator.reset(); !polygonIterator.isDone; polygonIterator.next())
{
int polygonIndex = (int)polygonIterator.index();
int shaderIndex = polygonShaderIndices[polygonIndex];
MIntArray indices = new MIntArray();
MPointArray points = new MPointArray();
polygonIterator.getTriangles(points, indices);
if (polygonIterator.hasUVsProperty)
{
MIntArray vertices = new MIntArray();
MIntArray newIndices = new MIntArray(indices.length, -1);
polygonIterator.getVertices(vertices);
for (int i = 0; i < vertices.length; i++)
{
int dataIndex = dataIndices[vertices[i]];
int uvIndex;
polygonIterator.getUVIndex(i, out uvIndex);
if (dataIndex == -1 || dataIndex >= this.Vertices.Count)
{
MGlobal.displayError("SKNFIle:Create - Data Index outside of range");
throw new Exception("SKNFIle:Create - Data Index outside of range");
}
for (int j = dataIndex; j < this.Vertices.Count; j++)
{
if (this.Vertices[j].DataIndex != dataIndex)
{
MGlobal.displayError("SKNFIle:Create - Can't find corresponding face vertex in data");
throw new Exception("SKNFIle:Create - Can't find corresponding face vertex in data");
}
else if (this.Vertices[j].UVIndex == uvIndex)
{
for (int k = 0; k < indices.length; k++)
{
if (indices[k] == vertices[i])
{
newIndices[k] = j;
}
}
break;
}
}
}
for (int i = 0; i < newIndices.length; i++)
{
shaderIndices[shaderIndex].append(newIndices[i]);
}
}
else
{
for (int i = 0; i < indices.length; i++)
{
shaderIndices[shaderIndex].append(dataIndices[indices[i]]);
}
}
}
uint startIndex = 0;
uint startVertex = 0;
for (int i = 0; i < shaderCount; i++)
{
MPlug shaderPlug = new MFnDependencyNode(shaders[i]).findPlug("surfaceShader");
MPlugArray plugArray = new MPlugArray();
shaderPlug.connectedTo(plugArray, true, false);
string name = new MFnDependencyNode(plugArray[0].node).name;
uint indexCount = shaderIndices[i].length;
uint vertexCount = shaderVertexIndices[i].length;
//Copy indices to SKLFile
for (int j = 0; j < indexCount; j++)
{
this.Indices.Add((ushort)shaderIndices[i][j]);
}
this.Submeshes.Add(new SKNSubmesh(name, startVertex, vertexCount, startIndex, indexCount));
startIndex += indexCount;
startVertex += vertexCount;
}
MGlobal.displayInfo("SKNFile:Create - Created SKN File");
}
public apiSimpleShapeIterator(object userGeometry, MObjectArray components) :
base(userGeometry, components)
{
mGeometry = userGeometry as MVectorArray;
reset();
}
//
// Description
//
// Transforms the given components. This method is used by
// the move, rotate, and scale tools in component mode.
// The bounding box has to be updated here, so do the normals and
// any other attributes that depend on vertex positions.
//
// Arguments
// mat - matrix to transform the components by
// componentList - list of components to be transformed,
// or an empty list to indicate the whole surface
// cachingMode - how to use the supplied pointCache
// pointCache - if non-null, save or restore points from this list base
// on the cachingMode
//
public override void transformUsing(MMatrix mat,
MObjectArray componentList,
MVertexCachingMode cachingMode,
MPointArray pointCache)
{
apiMeshGeom geomPtr = meshGeom();
bool savePoints = (cachingMode == MVertexCachingMode.kSavePoints);
int i = 0, j = 0;
uint len = componentList.length;
if (cachingMode == MVertexCachingMode.kRestorePoints) {
// restore the points based on the data provided in the pointCache attribute
//
uint cacheLen = pointCache.length;
if (len > 0) {
// traverse the component list
//
for ( i = 0; i < len && j < cacheLen; i++ )
{
MObject comp = componentList[i];
MFnSingleIndexedComponent fnComp = new MFnSingleIndexedComponent( comp );
int elemCount = fnComp.elementCount;
for ( int idx=0; idx<elemCount && j < cacheLen; idx++, ++j ) {
int elemIndex = fnComp.element( idx );
geomPtr.vertices[elemIndex] = pointCache[j];
}
}
} else {
// if the component list is of zero-length, it indicates that we
// should transform the entire surface
//
len = geomPtr.vertices.length;
for ( int idx = 0; idx < len && j < cacheLen; ++idx, ++j ) {
geomPtr.vertices[idx] = pointCache[j];
}
}
} else {
// Transform the surface vertices with the matrix.
// If savePoints is true, save the points to the pointCache.
//
if (len > 0) {
// Traverse the componentList
//
for ( i=0; i<len; i++ )
{
MObject comp = componentList[i];
MFnSingleIndexedComponent fnComp = new MFnSingleIndexedComponent( comp );
uint elemCount = (uint)fnComp.elementCount;
if (savePoints && 0 == i) {
pointCache.sizeIncrement = elemCount;
}
for ( int idx=0; idx<elemCount; idx++ )
{
int elemIndex = fnComp.element( (int)idx );
if (savePoints) {
pointCache.append(geomPtr.vertices[elemIndex]);
}
geomPtr.vertices[elemIndex].multiplyEqual( mat );
geomPtr.normals[idx] = geomPtr.normals[idx].transformAsNormal( mat );
}
}
} else {
// If the component list is of zero-length, it indicates that we
// should transform the entire surface
//
len = geomPtr.vertices.length;
if (savePoints) {
pointCache.sizeIncrement = len;
}
for ( int idx = 0; idx < len; ++idx ) {
if (savePoints) {
pointCache.append(geomPtr.vertices[idx]);
}
geomPtr.vertices[idx].multiplyEqual( mat );
geomPtr.normals[idx] = geomPtr.normals[idx].transformAsNormal( mat );
}
}
}
// Retrieve the value of the cached surface attribute.
// We will set the new geometry data into the cached surface attribute
//
// Access the datablock directly. This code has to be efficient
// and so we bypass the compute mechanism completely.
// NOTE: In general we should always go though compute for getting
// and setting attributes.
//
MDataBlock datablock = _forceCache();
MDataHandle cachedHandle = datablock.outputValue( cachedSurface );
apiMeshData cached = cachedHandle.asPluginData as apiMeshData;
MDataHandle dHandle = datablock.outputValue( mControlPoints );
// If there is history then calculate the tweaks necessary for
// setting the final positions of the vertices.
//
if ( hasHistory() && (null != cached) ) {
// Since the shape has history, we need to store the tweaks (deltas)
// between the input shape and the tweaked shape in the control points
// attribute.
//
buildControlPoints( datablock, (int)geomPtr.vertices.length );
MArrayDataHandle cpHandle = new MArrayDataHandle( dHandle );
// Loop through the component list and transform each vertex.
//
for ( i=0; i<len; i++ )
{
MObject comp = componentList[i];
MFnSingleIndexedComponent fnComp = new MFnSingleIndexedComponent( comp );
int elemCount = fnComp.elementCount;
for ( int idx=0; idx<elemCount; idx++ )
{
int elemIndex = fnComp.element( idx );
cpHandle.jumpToElement( (uint)elemIndex );
MDataHandle pntHandle = cpHandle.outputValue();
double[] pnt = pntHandle.Double3;
MPoint oldPnt = cached.fGeometry.vertices[elemIndex];
MPoint newPnt = geomPtr.vertices[elemIndex];
MVector offset = newPnt.minus( oldPnt );
pnt[0] += offset[0];
pnt[1] += offset[1];
pnt[2] += offset[2];
pntHandle.Double3 = pnt;
}
}
}
// Copy outputSurface to cachedSurface
//
if ( null == cached ) {
MGlobal.displayInfo("NULL cachedSurface data found");
}
else {
cached.fGeometry = geomPtr;
}
MPlug pCPs = new MPlug( thisMObject(), mControlPoints );
pCPs.setValue(dHandle);
// Moving vertices will likely change the bounding box.
//
computeBoundingBox( datablock );
// Tell Maya the bounding box for this object has changed
// and thus "boundingBox()" needs to be called.
//
childChanged( MChildChanged.kBoundingBoxChanged );
}
/// <summary>
///
/// </summary>
/// <param name="mDagPath">DAG path to the transform above mesh</param>
/// <param name="babylonScene"></param>
/// <returns></returns>
private BabylonNode ExportMesh(MDagPath mDagPath, BabylonScene babylonScene)
{
RaiseMessage(mDagPath.partialPathName, 1);
// Transform above mesh
mFnTransform = new MFnTransform(mDagPath);
// Mesh direct child of the transform
// TODO get the original one rather than the modified?
MFnMesh mFnMesh = null;
for (uint i = 0; i < mFnTransform.childCount; i++)
{
MObject childObject = mFnTransform.child(i);
if (childObject.apiType == MFn.Type.kMesh)
{
var _mFnMesh = new MFnMesh(childObject);
if (!_mFnMesh.isIntermediateObject)
{
mFnMesh = _mFnMesh;
}
}
}
if (mFnMesh == null)
{
RaiseError("No mesh found has child of " + mDagPath.fullPathName);
return(null);
}
RaiseMessage("mFnMesh.fullPathName=" + mFnMesh.fullPathName, 2);
// --- prints ---
#region prints
Action <MFnDagNode> printMFnDagNode = (MFnDagNode mFnDagNode) =>
{
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.name=" + mFnDagNode.name, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.absoluteName=" + mFnDagNode.absoluteName, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.fullPathName=" + mFnDagNode.fullPathName, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.partialPathName=" + mFnDagNode.partialPathName, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.activeColor=" + mFnDagNode.activeColor.toString(), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.attributeCount=" + mFnDagNode.attributeCount, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.childCount=" + mFnDagNode.childCount, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.dormantColor=" + mFnDagNode.dormantColor, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.hasUniqueName=" + mFnDagNode.hasUniqueName, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.inUnderWorld=" + mFnDagNode.inUnderWorld, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isDefaultNode=" + mFnDagNode.isDefaultNode, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isInstanceable=" + mFnDagNode.isInstanceable, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isInstanced(true)=" + mFnDagNode.isInstanced(true), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isInstanced(false)=" + mFnDagNode.isInstanced(false), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isInstanced()=" + mFnDagNode.isInstanced(), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.instanceCount(true)=" + mFnDagNode.instanceCount(true), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.instanceCount(false)=" + mFnDagNode.instanceCount(false), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isIntermediateObject=" + mFnDagNode.isIntermediateObject, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.isShared=" + mFnDagNode.isShared, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.objectColor=" + mFnDagNode.objectColor, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.parentCount=" + mFnDagNode.parentCount, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.parentNamespace=" + mFnDagNode.parentNamespace, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.uuid().asString()=" + mFnDagNode.uuid().asString(), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.dagRoot().apiType=" + mFnDagNode.dagRoot().apiType, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.model.equalEqual(mFnDagNode.objectProperty)=" + mFnDagNode.model.equalEqual(mFnDagNode.objectProperty), 3);
RaiseVerbose("BabylonExporter.Mesh | mFnDagNode.transformationMatrix.toString()=" + mFnDagNode.transformationMatrix.toString(), 3);
};
Action <MFnMesh> printMFnMesh = (MFnMesh _mFnMesh) =>
{
printMFnDagNode(mFnMesh);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numVertices=" + _mFnMesh.numVertices, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numEdges=" + _mFnMesh.numEdges, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numPolygons=" + _mFnMesh.numPolygons, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numFaceVertices=" + _mFnMesh.numFaceVertices, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numNormals=" + _mFnMesh.numNormals, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numUVSets=" + _mFnMesh.numUVSets, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numUVsProperty=" + _mFnMesh.numUVsProperty, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.displayColors=" + _mFnMesh.displayColors, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numColorSets=" + _mFnMesh.numColorSets, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.numColorsProperty=" + _mFnMesh.numColorsProperty, 3);
RaiseVerbose("BabylonExporter.Mesh | _mFnMesh.currentUVSetName()=" + _mFnMesh.currentUVSetName(), 3);
var _uvSetNames = new MStringArray();
mFnMesh.getUVSetNames(_uvSetNames);
foreach (var uvSetName in _uvSetNames)
{
RaiseVerbose("BabylonExporter.Mesh | uvSetName=" + uvSetName, 3);
RaiseVerbose("BabylonExporter.Mesh | mFnMesh.numUVs(uvSetName)=" + mFnMesh.numUVs(uvSetName), 4);
MFloatArray us = new MFloatArray();
MFloatArray vs = new MFloatArray();
mFnMesh.getUVs(us, vs, uvSetName);
RaiseVerbose("BabylonExporter.Mesh | us.Count=" + us.Count, 4);
}
};
Action <MFnTransform> printMFnTransform = (MFnTransform _mFnMesh) =>
{
printMFnDagNode(mFnMesh);
};
RaiseVerbose("BabylonExporter.Mesh | mFnMesh data", 2);
printMFnMesh(mFnMesh);
RaiseVerbose("BabylonExporter.Mesh | mFnTransform data", 2);
printMFnTransform(mFnTransform);
Print(mFnTransform, 2, "Print ExportMesh mFnTransform");
Print(mFnMesh, 2, "Print ExportMesh mFnMesh");
//// Geometry
//MIntArray triangleCounts = new MIntArray();
//MIntArray trianglesVertices = new MIntArray();
//mFnMesh.getTriangles(triangleCounts, trianglesVertices);
//RaiseVerbose("BabylonExporter.Mesh | triangleCounts.ToArray()=" + triangleCounts.ToArray().toString(), 3);
//RaiseVerbose("BabylonExporter.Mesh | trianglesVertices.ToArray()=" + trianglesVertices.ToArray().toString(), 3);
//int[] polygonsVertexCount = new int[mFnMesh.numPolygons];
//for (int polygonId = 0; polygonId < mFnMesh.numPolygons; polygonId++)
//{
// polygonsVertexCount[polygonId] = mFnMesh.polygonVertexCount(polygonId);
//}
//RaiseVerbose("BabylonExporter.Mesh | polygonsVertexCount=" + polygonsVertexCount.toString(), 3);
////MFloatPointArray points = new MFloatPointArray();
////mFnMesh.getPoints(points);
////RaiseVerbose("BabylonExporter.Mesh | points.ToArray()=" + points.ToArray().Select(mFloatPoint => mFloatPoint.toString()), 3);
////MFloatVectorArray normals = new MFloatVectorArray();
////mFnMesh.getNormals(normals);
////RaiseVerbose("BabylonExporter.Mesh | normals.ToArray()=" + normals.ToArray().Select(mFloatPoint => mFloatPoint.toString()), 3);
//for (int polygonId = 0; polygonId < mFnMesh.numPolygons; polygonId++)
//{
// MIntArray verticesId = new MIntArray();
// RaiseVerbose("BabylonExporter.Mesh | polygonId=" + polygonId, 3);
// int nbTriangles = triangleCounts[polygonId];
// RaiseVerbose("BabylonExporter.Mesh | nbTriangles=" + nbTriangles, 3);
// for (int triangleIndex = 0; triangleIndex < triangleCounts[polygonId]; triangleIndex++)
// {
// RaiseVerbose("BabylonExporter.Mesh | triangleIndex=" + triangleIndex, 3);
// int[] triangleVertices = new int[3];
// mFnMesh.getPolygonTriangleVertices(polygonId, triangleIndex, triangleVertices);
// RaiseVerbose("BabylonExporter.Mesh | triangleVertices=" + triangleVertices.toString(), 3);
// foreach (int vertexId in triangleVertices)
// {
// RaiseVerbose("BabylonExporter.Mesh | vertexId=" + vertexId, 3);
// MPoint point = new MPoint();
// mFnMesh.getPoint(vertexId, point);
// RaiseVerbose("BabylonExporter.Mesh | point=" + point.toString(), 3);
// MVector normal = new MVector();
// mFnMesh.getFaceVertexNormal(polygonId, vertexId, normal);
// RaiseVerbose("BabylonExporter.Mesh | normal=" + normal.toString(), 3);
// }
// }
//}
#endregion
if (IsMeshExportable(mFnMesh, mDagPath) == false)
{
return(null);
}
var babylonMesh = new BabylonMesh {
name = mFnTransform.name,
id = mFnTransform.uuid().asString(),
visibility = Loader.GetVisibility(mFnTransform.fullPathName)
};
// Instance
// For a mesh with instances, we distinguish between master and instance meshes:
// - a master mesh stores all the info of the mesh (transform, hierarchy, animations + vertices, indices, materials, bones...)
// - an instance mesh only stores the info of the node (transform, hierarchy, animations)
// Check if this mesh has already been exported as a master mesh
BabylonMesh babylonMasterMesh = GetMasterMesh(mFnMesh, babylonMesh);
if (babylonMasterMesh != null)
{
RaiseMessage($"The master mesh {babylonMasterMesh.name} was already exported. This one will be exported as an instance.", 2);
// Export this node as instance
var babylonInstanceMesh = new BabylonAbstractMesh {
name = mFnTransform.name, id = mFnTransform.uuid().asString()
};
//// Add instance to master mesh
List <BabylonAbstractMesh> instances = babylonMasterMesh.instances != null?babylonMasterMesh.instances.ToList() : new List <BabylonAbstractMesh>();
instances.Add(babylonInstanceMesh);
babylonMasterMesh.instances = instances.ToArray();
// Export transform / hierarchy / animations
ExportNode(babylonInstanceMesh, mFnTransform, babylonScene);
// Animations
ExportNodeAnimation(babylonInstanceMesh, mFnTransform);
return(babylonInstanceMesh);
}
// Position / rotation / scaling / hierarchy
ExportNode(babylonMesh, mFnTransform, babylonScene);
// Misc.
// TODO - Retreive from Maya
//babylonMesh.receiveShadows = meshNode.MaxNode.RcvShadows == 1;
//babylonMesh.applyFog = meshNode.MaxNode.ApplyAtmospherics == 1;
if (mFnMesh.numPolygons < 1)
{
RaiseError($"Mesh {babylonMesh.name} has no face", 2);
}
if (mFnMesh.numVertices < 3)
{
RaiseError($"Mesh {babylonMesh.name} has not enough vertices", 2);
}
if (mFnMesh.numVertices >= 65536)
{
RaiseWarning($"Mesh {babylonMesh.name} has more than 65536 vertices which means that it will require specific WebGL extension to be rendered. This may impact portability of your scene on low end devices.", 2);
}
// Animations
ExportNodeAnimation(babylonMesh, mFnTransform);
// Material
MObjectArray shaders = new MObjectArray();
mFnMesh.getConnectedShaders(0, shaders, new MIntArray());
if (shaders.Count > 0)
{
List <MFnDependencyNode> materials = new List <MFnDependencyNode>();
foreach (MObject shader in shaders)
{
// Retreive material
MFnDependencyNode shadingEngine = new MFnDependencyNode(shader);
MPlug mPlugSurfaceShader = shadingEngine.findPlug("surfaceShader");
MObject materialObject = mPlugSurfaceShader.source.node;
MFnDependencyNode material = new MFnDependencyNode(materialObject);
materials.Add(material);
}
if (shaders.Count == 1)
{
MFnDependencyNode material = materials[0];
// Material is referenced by id
babylonMesh.materialId = material.uuid().asString();
// Register material for export if not already done
if (!referencedMaterials.Contains(material, new MFnDependencyNodeEqualityComparer()))
{
referencedMaterials.Add(material);
}
}
else
{
// Create a new id for the group of sub materials
string uuidMultiMaterial = GetMultimaterialUUID(materials);
// Multi material is referenced by id
babylonMesh.materialId = uuidMultiMaterial;
// Register multi material for export if not already done
if (!multiMaterials.ContainsKey(uuidMultiMaterial))
{
multiMaterials.Add(uuidMultiMaterial, materials);
}
}
}
var vertices = new List <GlobalVertex>();
var indices = new List <int>();
var uvSetNames = new MStringArray();
mFnMesh.getUVSetNames(uvSetNames);
bool[] isUVExportSuccess = new bool[Math.Min(uvSetNames.Count, 2)];
for (int indexUVSet = 0; indexUVSet < isUVExportSuccess.Length; indexUVSet++)
{
isUVExportSuccess[indexUVSet] = true;
}
// skin
if (_exportSkin)
{
mFnSkinCluster = getMFnSkinCluster(mFnMesh);
}
int maxNbBones = 0;
if (mFnSkinCluster != null)
{
RaiseMessage($"mFnSkinCluster.name | {mFnSkinCluster.name}", 2);
Print(mFnSkinCluster, 3, $"Print {mFnSkinCluster.name}");
// Get the bones dictionary<name, index> => it represents all the bones in the skeleton
indexByNodeName = GetIndexByFullPathNameDictionary(mFnSkinCluster);
// Get the joint names that influence this mesh
allMayaInfluenceNames = GetBoneFullPathName(mFnSkinCluster, mFnTransform);
// Get the max number of joints acting on a vertex
int maxNumInfluences = GetMaxInfluence(mFnSkinCluster, mFnTransform, mFnMesh);
RaiseMessage($"Max influences : {maxNumInfluences}", 2);
if (maxNumInfluences > 8)
{
RaiseWarning($"Too many bones influences per vertex: {maxNumInfluences}. Babylon.js only support up to 8 bones influences per vertex.", 2);
RaiseWarning("The result may not be as expected.", 2);
}
maxNbBones = Math.Min(maxNumInfluences, 8);
if (indexByNodeName != null && allMayaInfluenceNames != null)
{
babylonMesh.skeletonId = GetSkeletonIndex(mFnSkinCluster);
}
else
{
mFnSkinCluster = null;
}
}
// Export tangents if option is checked and mesh have tangents
bool isTangentExportSuccess = _exportTangents;
// TODO - color, alpha
//var hasColor = unskinnedMesh.NumberOfColorVerts > 0;
//var hasAlpha = unskinnedMesh.GetNumberOfMapVerts(-2) > 0;
// TODO - Add custom properties
//var optimizeVertices = false; // meshNode.MaxNode.GetBoolProperty("babylonjs_optimizevertices");
var optimizeVertices = _optimizeVertices; // global option
// Compute normals
var subMeshes = new List <BabylonSubMesh>();
ExtractGeometry(mFnMesh, vertices, indices, subMeshes, uvSetNames, ref isUVExportSuccess, ref isTangentExportSuccess, optimizeVertices);
if (vertices.Count >= 65536)
{
RaiseWarning($"Mesh {babylonMesh.name} has {vertices.Count} vertices. This may prevent your scene to work on low end devices where 32 bits indice are not supported", 2);
if (!optimizeVertices)
{
RaiseError("You can try to optimize your object using [Try to optimize vertices] option", 2);
}
}
for (int indexUVSet = 0; indexUVSet < isUVExportSuccess.Length; indexUVSet++)
{
string uvSetName = uvSetNames[indexUVSet];
// If at least one vertex is mapped to an UV coordinate but some have failed to be exported
if (isUVExportSuccess[indexUVSet] == false && mFnMesh.numUVs(uvSetName) > 0)
{
RaiseWarning($"Failed to export UV set named {uvSetName}. Ensure all vertices are mapped to a UV coordinate.", 2);
}
}
RaiseMessage($"{vertices.Count} vertices, {indices.Count / 3} faces", 2);
// Buffers
babylonMesh.positions = vertices.SelectMany(v => v.Position).ToArray();
babylonMesh.normals = vertices.SelectMany(v => v.Normal).ToArray();
// export the skin
if (mFnSkinCluster != null)
{
babylonMesh.matricesWeights = vertices.SelectMany(v => v.Weights.ToArray()).ToArray();
babylonMesh.matricesIndices = vertices.Select(v => v.BonesIndices).ToArray();
babylonMesh.numBoneInfluencers = maxNbBones;
if (maxNbBones > 4)
{
babylonMesh.matricesWeightsExtra = vertices.SelectMany(v => v.WeightsExtra != null ? v.WeightsExtra.ToArray() : new[] { 0.0f, 0.0f, 0.0f, 0.0f }).ToArray();
babylonMesh.matricesIndicesExtra = vertices.Select(v => v.BonesIndicesExtra).ToArray();
}
}
// Tangent
if (isTangentExportSuccess)
{
babylonMesh.tangents = vertices.SelectMany(v => v.Tangent).ToArray();
}
// Color
string colorSetName;
mFnMesh.getCurrentColorSetName(out colorSetName);
if (mFnMesh.numColors(colorSetName) > 0)
{
babylonMesh.colors = vertices.SelectMany(v => v.Color).ToArray();
}
// UVs
if (uvSetNames.Count > 0 && isUVExportSuccess[0])
{
babylonMesh.uvs = vertices.SelectMany(v => v.UV).ToArray();
}
if (uvSetNames.Count > 1 && isUVExportSuccess[1])
{
babylonMesh.uvs2 = vertices.SelectMany(v => v.UV2).ToArray();
}
babylonMesh.subMeshes = subMeshes.ToArray();
// Buffers - Indices
babylonMesh.indices = indices.ToArray();
babylonScene.MeshesList.Add(babylonMesh);
RaiseMessage("BabylonExporter.Mesh | done", 2);
return(babylonMesh);
}
//
// Description
//
// Creates a geometry iterator compatible with his shape.
//
// Arguments
//
// componentList - list of components to be iterated
// components - component to be iterator
// forReadOnly -
//
// Returns
//
// An iterator for the components
//
// Associates a user defined iterator with the shape (components)
//
public override MPxGeometryIterator geometryIteratorSetup( MObjectArray componentList,
MObject components,
bool forReadOnly = false)
{
apiMeshGeomIterator result = null;
if ( components.isNull ) {
result = new apiMeshGeomIterator( meshGeom(), componentList );
}
else {
result = new apiMeshGeomIterator( meshGeom(), components );
}
return result;
}
/////////////////////////////////////////////////////////////////////
//
// Overrides
//
/////////////////////////////////////////////////////////////////////
public override void getDrawRequests(MDrawInfo info,
bool objectAndActiveOnly,
MDrawRequestQueue queue)
//
// Description:
//
// Add draw requests to the draw queue
//
// Arguments:
//
// info - current drawing state
// objectsAndActiveOnly - no components if true
// queue - queue of draw requests to add to
//
{
// Get the data necessary to draw the shape
//
MDrawData data = new MDrawData();
apiMesh meshNode = (apiMesh)surfaceShape;
apiMeshGeom geom = meshNode.meshGeom();
if ((null == geom) || (0 == geom.faceCount))
{
MGlobal.displayInfo("NO DrawRequest for apiMesh");
return;
}
// This call creates a prototype draw request that we can fill
// in and then add to the draw queue.
//
MDrawRequest request = getDrawRequest(info); // info.getPrototype(this);
getDrawData(geom, out data);
request.setDrawData(data);
// Decode the draw info and determine what needs to be drawn
//
M3dView.DisplayStyle appearance = info.displayStyle;
M3dView.DisplayStatus displayStatus = info.displayStatus;
// Are we displaying meshes?
if (!info.objectDisplayStatus(M3dView.DisplayObjects.kDisplayMeshes))
{
return;
}
// Use this code to help speed up drawing.
// inUserInteraction() is true for any interaction with
// the viewport, including object or component TRS and camera changes.
// userChangingViewContext() is true only when the user is using view
// context tools (tumble, dolly, track, etc.)
//
if (info.inUserInteraction || info.userChangingViewContext)
{
// User is using view context tools so
// request fast draw and get out
//
request.token = (int)DrawToken.kDrawRedPointAtCenter;
queue.add(request);
return;
}
switch (appearance)
{
case M3dView.DisplayStyle.kWireFrame:
{
request.token = (int)DrawToken.kDrawWireframe;
int activeColorTable = (int)M3dView.ColorTable.kActiveColors;
int dormantColorTable = (int)M3dView.ColorTable.kDormantColors;
switch (displayStatus)
{
case M3dView.DisplayStatus.kLead:
request.setColor(LEAD_COLOR, activeColorTable);
break;
case M3dView.DisplayStatus.kActive:
request.setColor(ACTIVE_COLOR, activeColorTable);
break;
case M3dView.DisplayStatus.kActiveAffected:
request.setColor(ACTIVE_AFFECTED_COLOR, activeColorTable);
break;
case M3dView.DisplayStatus.kDormant:
request.setColor(DORMANT_COLOR, dormantColorTable);
break;
case M3dView.DisplayStatus.kHilite:
request.setColor(HILITE_COLOR, activeColorTable);
break;
default:
break;
}
queue.add(request);
break;
}
case M3dView.DisplayStyle.kGouraudShaded:
{
// Create the smooth shaded draw request
//
request.token = (int)DrawToken.kDrawSmoothShaded;
// Need to get the material info
//
MDagPath path = info.multiPath; // path to your dag object
M3dView view = info.view; // view to draw to
MMaterial material = base.material(path);
// If the user currently has the default material enabled on the
// view then use the default material for shading.
//
if (view.usingDefaultMaterial)
{
material = MMaterial.defaultMaterial;
}
// Evaluate the material and if necessary, the texture.
//
material.evaluateMaterial(view, path);
bool drawTexture = true;
if (drawTexture && material.materialIsTextured)
{
material.evaluateTexture(data);
}
request.material = material;
// request.setDisplayStyle( appearance );
bool materialTransparent = false;
material.getHasTransparency(ref materialTransparent);
if (materialTransparent)
{
request.isTransparent = true;
}
queue.add(request);
// create a draw request for wireframe on shaded if
// necessary.
//
if ((displayStatus == M3dView.DisplayStatus.kActive) ||
(displayStatus == M3dView.DisplayStatus.kLead) ||
(displayStatus == M3dView.DisplayStatus.kHilite))
{
MDrawRequest wireRequest = getDrawRequest(info); // info.getPrototype(this);
wireRequest.setDrawData(data);
wireRequest.token = (int)DrawToken.kDrawWireframeOnShaded;
wireRequest.displayStyle = M3dView.DisplayStyle.kWireFrame;
int activeColorTable = (int)M3dView.ColorTable.kActiveColors;
switch (displayStatus)
{
case M3dView.DisplayStatus.kLead:
wireRequest.setColor(LEAD_COLOR, activeColorTable);
break;
case M3dView.DisplayStatus.kActive:
wireRequest.setColor(ACTIVE_COLOR, activeColorTable);
break;
case M3dView.DisplayStatus.kHilite:
wireRequest.setColor(HILITE_COLOR, activeColorTable);
break;
default:
break;
}
queue.add(wireRequest);
}
break;
}
case M3dView.DisplayStyle.kFlatShaded:
request.token = (int)DrawToken.kDrawFlatShaded;
queue.add(request);
break;
case M3dView.DisplayStyle.kBoundingBox:
request.token = (int)DrawToken.kDrawBoundingBox;
queue.add(request);
break;
default:
break;
}
// Add draw requests for components
//
if (!objectAndActiveOnly)
{
// Inactive components
//
if ((appearance == M3dView.DisplayStyle.kPoints) ||
(displayStatus == M3dView.DisplayStatus.kHilite))
{
MDrawRequest vertexRequest = getDrawRequest(info); // info.getPrototype(this);
vertexRequest.setDrawData(data);
vertexRequest.token = (int)DrawToken.kDrawVertices;
vertexRequest.setColor(DORMANT_VERTEX_COLOR,
(int)M3dView.ColorTable.kActiveColors);
queue.add(vertexRequest);
}
// Active components
//
if (((MPxSurfaceShape)surfaceShape).hasActiveComponents)
{
MDrawRequest activeVertexRequest = getDrawRequest(info); // info.getPrototype(this);
activeVertexRequest.setDrawData(data);
activeVertexRequest.token = (int)DrawToken.kDrawVertices;
activeVertexRequest.setColor(ACTIVE_VERTEX_COLOR,
(int)M3dView.ColorTable.kActiveColors);
MObjectArray clist = ((MPxSurfaceShape)surfaceShape).activeComponents;
MObject vertexComponent = clist[0]; // Should filter list
activeVertexRequest.component = vertexComponent;
queue.add(activeVertexRequest);
}
}
}
public override void glBind(MDagPath shapePath)
{
// ONLY push and pop required attributes performance reasons...
//
OpenGL.glPushAttrib(OpenGL.GL_LIGHTING_BIT);
lightingOn = OpenGL.glIsEnabled(OpenGL.GL_LIGHTING);
if (lightingOn > 0)
{
OpenGL.glEnable(OpenGL.GL_COLOR_MATERIAL);
OpenGL.glColorMaterial(OpenGL.GL_FRONT_AND_BACK, OpenGL.GL_DIFFUSE);
}
// Base colour is always white
OpenGL.glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
// Bind texture
if(libOpenMayaNet.MAYA_API_VERSION >= 800)
{
MObject l_object = shapePath.node;
MFnMesh mesh = new MFnMesh(l_object);
String uvSetName = "map1";
MObjectArray textures = new MObjectArray();
boundTexture = false;
mesh.getAssociatedUVSetTextures(uvSetName, textures);
if (textures.length > 0)
{
MImageFileInfo.MHwTextureType hwType = new MImageFileInfo.MHwTextureType();
MHwTextureManager.glBind(textures[0], ref hwType);
boundTexture = true;
}
if( !boundTexture)
{
OpenGL.glDisable(OpenGL.GL_TEXTURE_2D);
OpenGL.glBindTexture(OpenGL.GL_TEXTURE_2D, 0);
}
}
else
{
// To get this code branch to compile, replace <change file name here>
// with an appropriate file name
if (id == 0)
{
MImage fileImage = new MImage();
fileImage.readFromFile("<change file name here>");
uint[] param = new uint[1];
OpenGL.glGenTextures(1, param);
id = param[0];
OpenGL.glEnable(OpenGL.GL_TEXTURE_2D);
OpenGL.glBindTexture(OpenGL.GL_TEXTURE_2D, id);
unsafe
{
uint width = 0, height = 0;
fileImage.getSize(out width, out height);
byte* pPixels = fileImage.pixels();
OpenGL.glTexImage2D(OpenGL.GL_TEXTURE_2D,
0,
(int)OpenGL.GL_RGBA8,
(int)width,
(int)height,
0,
OpenGL.GL_RGBA,
OpenGL.GL_UNSIGNED_BYTE,
pPixels);
}
}
else
{
OpenGL.glEnable(OpenGL.GL_TEXTURE_2D);
OpenGL.glBindTexture(OpenGL.GL_TEXTURE_2D, id);
}
boundTexture = true;
}
if( boundTexture)
{
OpenGL.glTexParameteri(OpenGL.GL_TEXTURE_2D, OpenGL.GL_TEXTURE_WRAP_S, (int)OpenGL.GL_REPEAT);
OpenGL.glTexParameteri(OpenGL.GL_TEXTURE_2D, OpenGL.GL_TEXTURE_WRAP_T, (int)OpenGL.GL_REPEAT);
OpenGL.glTexParameteri(OpenGL.GL_TEXTURE_2D, OpenGL.GL_TEXTURE_MIN_FILTER, (int)OpenGL.GL_LINEAR);
OpenGL.glTexParameteri(OpenGL.GL_TEXTURE_2D, OpenGL.GL_TEXTURE_MAG_FILTER, (int)OpenGL.GL_LINEAR);
}
OpenGL.glEnableClientState(OpenGL.GL_VERTEX_ARRAY);
return;
}
protected AssociationsSerializer fSerialize; // Serialization format
public metadataBase() : base()
{
fMode = CommandMode.kCreate;
fMeshes = new MObjectArray();
}
public override void tweakUsing( MMatrix mat,
MObjectArray componentList,
MVertexCachingMode cachingMode,
MPointArray pointCache,
MArrayDataHandle handle )
//
// Description
//
// Transforms the given components. This method is used by
// the move, rotate, and scale tools in component mode when the
// tweaks for the shape are stored on a separate tweak node.
// The bounding box has to be updated here, so do the normals and
// any other attributes that depend on vertex positions.
//
// Arguments
// mat - matrix to transform the components by
// componentList - list of components to be transformed,
// or an empty list to indicate the whole surface
// cachingMode - how to use the supplied pointCache
// pointCache - if non-null, save or restore points from this list base
// on the cachingMode
// handle - handle to the attribute on the tweak node where the
// tweaks should be stored
//
{
apiMeshGeom geomPtr = meshGeom();
bool savePoints = (cachingMode == MVertexCachingMode.kSavePoints);
bool updatePoints = (cachingMode == MVertexCachingMode.kUpdatePoints);
MArrayDataBuilder builder = handle.builder();
MPoint delta = new MPoint();
MPoint currPt = new MPoint();
MPoint newPt = new MPoint();
int i=0;
uint len = componentList.length;
int cacheIndex = 0;
uint cacheLen = (null != pointCache) ? pointCache.length : 0;
if (cachingMode == MVertexCachingMode.kRestorePoints) {
// restore points from the pointCache
//
if (len > 0) {
// traverse the component list
//
for ( i=0; i<len; i++ )
{
MObject comp = componentList[i];
MFnSingleIndexedComponent fnComp = new MFnSingleIndexedComponent( comp );
int elemCount = fnComp.elementCount;
for ( int idx=0; idx<elemCount && cacheIndex < cacheLen; idx++, cacheIndex++) {
int elemIndex = fnComp.element( idx );
MDataHandle hdl = builder.addElement((uint)elemIndex);
double[] pt = hdl.Double3;
MPoint cachePt = pointCache[cacheIndex];
pt[0] += cachePt.x;
pt[1] += cachePt.y;
pt[2] += cachePt.z;
hdl.Double3 = pt;
}
}
} else {
// if the component list is of zero-length, it indicates that we
// should transform the entire surface
//
len = geomPtr.vertices.length;
for ( uint idx = 0; idx < len && idx < cacheLen; ++idx ) {
MDataHandle hdl = builder.addElement(idx);
double[] pt = hdl.Double3;
MPoint cachePt = pointCache[cacheIndex];
pt[0] += cachePt.x;
pt[1] += cachePt.y;
pt[2] += cachePt.z;
hdl.Double3 = pt;
}
}
} else {
// Tweak the points. If savePoints is true, also save the tweaks in the
// pointCache. If updatePoints is true, add the new tweaks to the existing
// data in the pointCache.
//
if (len > 0) {
for ( i=0; i<len; i++ )
{
MObject comp = componentList[i];
MFnSingleIndexedComponent fnComp = new MFnSingleIndexedComponent( comp );
int elemCount = fnComp.elementCount;
if (savePoints) {
pointCache.sizeIncrement = (uint)elemCount;
}
for ( int idx=0; idx<elemCount; idx++ )
{
int elemIndex = fnComp.element( idx );
MDataHandle hdl = builder.addElement((uint)elemIndex);
double[] pt = hdl.Double3;
currPt = newPt = geomPtr.vertices[elemIndex];
newPt.multiplyEqual( mat );
delta.x = newPt.x - currPt.x;
delta.y = newPt.y - currPt.y;
delta.z = newPt.z - currPt.z;
pt[0] += delta.x;
pt[1] += delta.y;
pt[2] += delta.z;
hdl.Double3 = pt;
if (savePoints) {
// store the points in the pointCache for undo
//
pointCache.append(delta*(-1.0));
} else if (updatePoints && cacheIndex < cacheLen) {
MPoint cachePt = pointCache[cacheIndex];
cachePt[0] -= delta.x;
cachePt[1] -= delta.y;
cachePt[2] -= delta.z;
cacheIndex++;
}
}
}
} else {
// if the component list is of zero-length, it indicates that we
// should transform the entire surface
//
len = geomPtr.vertices.length;
if (savePoints) {
pointCache.sizeIncrement = len;
}
for ( int idx = 0; idx < len; ++idx ) {
MDataHandle hdl = builder.addElement((uint)idx);
double[] pt = hdl.Double3;
currPt = newPt = geomPtr.vertices[idx];
newPt.multiplyEqual( mat );
delta.x = newPt.x - currPt.x;
delta.y = newPt.y - currPt.y;
delta.z = newPt.z - currPt.z;
pt[0] += delta.x;
pt[1] += delta.y;
pt[2] += delta.z;
hdl.Double3 = pt;
if (savePoints) {
// store the points in the pointCache for undo
//
pointCache.append(delta*-1.0);
} else if (updatePoints && idx < cacheLen) {
MPoint cachePt = pointCache[idx];
cachePt[0] -= delta.x;
cachePt[1] -= delta.y;
cachePt[2] -= delta.z;
}
}
}
}
// Set the builder into the handle.
//
handle.set(builder);
// Tell Maya the bounding box for this object has changed
// and thus "boundingBox()" needs to be called.
//
childChanged( MChildChanged.kBoundingBoxChanged );
}
//
// Description:
// Overloaded function from MPxDragAndDropBehavior
// this method will handle the connection between the slopeShaderNodeCSharp and the shader it is
// assigned to as well as any meshes that it is assigned to.
//
public override void connectNodeToNode(MObject sourceNode, MObject destinationNode, bool force)
{
MFnDependencyNode src = new MFnDependencyNode(sourceNode);
//if we are dragging from a lambert
//we want to check what we are dragging
//onto.
if (sourceNode.hasFn(MFn.Type.kLambert))
{
//MObject shaderNode;
MPlugArray connections = new MPlugArray();
MObjectArray shaderNodes = new MObjectArray();
shaderNodes.clear();
//if the source node was a lambert
//than we will check the downstream connections to see
//if a slope shader is assigned to it.
//
src.getConnections(connections);
int i;
for (i = 0; i < connections.length; i++)
{
//check the incoming connections to this plug
//
MPlugArray connectedPlugs = new MPlugArray();
connections[i].connectedTo(connectedPlugs, true, false);
for (uint j = 0; j < connectedPlugs.length; j++)
{
//if the incoming node is a slope shader than
//append the node to the shaderNodes array
//
MObject currentnode = connectedPlugs[i].node;
if (new MFnDependencyNode(currentnode).typeName == "slopeShaderNodeCSharp")
{
shaderNodes.append(currentnode);
}
}
}
//if we found a shading node
//than check the destination node
//type to see if it is a mesh
//
if (shaderNodes.length > 0)
{
MFnDependencyNode dest = new MFnDependencyNode(destinationNode);
if (destinationNode.hasFn(MFn.Type.kMesh))
{
//if the node is a mesh than for each slopeShaderNodeCSharp
//connect the worldMesh attribute to the dirtyShaderPlug
//attribute to force an evaluation of the node when the mesh
//changes
//
for (i = 0; i < shaderNodes.length; i++)
{
MPlug srcPlug = dest.findPlug("worldMesh");
MPlug destPlug = new MFnDependencyNode(shaderNodes[i]).findPlug("dirtyShaderPlug");
if (!srcPlug.isNull && !destPlug.isNull)
{
string cmd = "connectAttr -na ";
cmd += srcPlug.name + " ";
cmd += destPlug.name;
try
{
// in slopeShaderBehavior.cpp, this may excute failed but continue on the following code, so we catch it.
MGlobal.executeCommand(cmd);
}
catch (System.Exception)
{
MGlobal.displayError("ExcuteCommand (" + cmd + ") failed.");
}
}
}
//get the shading engine so we can assign the shader
//to the mesh after doing the connection
//
MObject shadingEngine = findShadingEngine(sourceNode);
//if there is a valid shading engine than make
//the connection
//
if (!shadingEngine.isNull)
{
string cmd = "sets -edit -forceElement ";
cmd += new MFnDependencyNode(shadingEngine).name + " ";
cmd += new MFnDagNode(destinationNode).partialPathName;
MGlobal.executeCommand(cmd);
}
}
}
}
else if (src.typeName == "slopeShaderNodeCSharp")
//if we are dragging from a slope shader
//than we want to see what we are dragging onto
//
{
if (destinationNode.hasFn(MFn.Type.kMesh))
{
//if the user is dragging onto a mesh
//than make the connection from the worldMesh
//to the dirtyShader plug on the slopeShaderNodeCSharp
//
MFnDependencyNode dest = new MFnDependencyNode(destinationNode);
MPlug srcPlug = dest.findPlug("worldMesh");
MPlug destPlug = src.findPlug("dirtyShaderPlug");
if (!srcPlug.isNull && !destPlug.isNull)
{
string cmd = "connectAttr -na ";
cmd += srcPlug.name + " ";
cmd += destPlug.name;
MGlobal.executeCommand(cmd);
}
}
}
return;
}
private void dumpInfo(MObject fileNode, MFnDependencyNode nodeFn, MObjectArray nodePath)
{
MObject fileAttr = nodeFn.attribute("fileTextureName");
MPlug plugToFile = new MPlug(fileNode, fileAttr);
MFnDependencyNode dgFn = new MFnDependencyNode();
MGlobal.displayInfo("Name: " + nodeFn.name);
MObject fnameValue = new MObject();
try
{
plugToFile.getValue(fnameValue);
}
catch (Exception)
{
MGlobal.displayInfo("error getting value from plug");
return;
}
MFnStringData stringFn = new MFnStringData(fnameValue);
MGlobal.displayInfo("Texture: " + stringFn.stringProperty);
string path = "Path: ";
for (int i = (int)nodePath.length - 1; i >= 0; i--)
{
MObject currentNode = nodePath[i];
dgFn.setObject(currentNode);
path += dgFn.name + "(" + dgFn.typeName + ")";
if (i > 0) path += " -> ";
}
MGlobal.displayInfo(path);
}
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 glBind(MDagPath shapePath)
{
// ONLY push and pop required attributes performance reasons...
//
OpenGL.glPushAttrib(OpenGL.GL_LIGHTING_BIT);
lightingOn = OpenGL.glIsEnabled(OpenGL.GL_LIGHTING);
if (lightingOn > 0)
{
OpenGL.glEnable(OpenGL.GL_COLOR_MATERIAL);
OpenGL.glColorMaterial(OpenGL.GL_FRONT_AND_BACK, OpenGL.GL_DIFFUSE);
}
// Base colour is always white
OpenGL.glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
// Bind texture
if (libOpenMayaNet.MAYA_API_VERSION >= 800)
{
MObject l_object = shapePath.node;
MFnMesh mesh = new MFnMesh(l_object);
String uvSetName = "map1";
MObjectArray textures = new MObjectArray();
boundTexture = false;
mesh.getAssociatedUVSetTextures(uvSetName, textures);
if (textures.length > 0)
{
MImageFileInfo.MHwTextureType hwType = new MImageFileInfo.MHwTextureType();
MHwTextureManager.glBind(textures[0], ref hwType);
boundTexture = true;
}
if (!boundTexture)
{
OpenGL.glDisable(OpenGL.GL_TEXTURE_2D);
OpenGL.glBindTexture(OpenGL.GL_TEXTURE_2D, 0);
}
}
else
{
// To get this code branch to compile, replace <change file name here>
// with an appropriate file name
if (id == 0)
{
MImage fileImage = new MImage();
fileImage.readFromFile("<change file name here>");
uint[] param = new uint[1];
OpenGL.glGenTextures(1, param);
id = param[0];
OpenGL.glEnable(OpenGL.GL_TEXTURE_2D);
OpenGL.glBindTexture(OpenGL.GL_TEXTURE_2D, id);
unsafe
{
uint width = 0, height = 0;
fileImage.getSize(out width, out height);
byte *pPixels = fileImage.pixels();
OpenGL.glTexImage2D(OpenGL.GL_TEXTURE_2D,
0,
(int)OpenGL.GL_RGBA8,
(int)width,
(int)height,
0,
OpenGL.GL_RGBA,
OpenGL.GL_UNSIGNED_BYTE,
pPixels);
}
}
else
{
OpenGL.glEnable(OpenGL.GL_TEXTURE_2D);
OpenGL.glBindTexture(OpenGL.GL_TEXTURE_2D, id);
}
boundTexture = true;
}
if (boundTexture)
{
OpenGL.glTexParameteri(OpenGL.GL_TEXTURE_2D, OpenGL.GL_TEXTURE_WRAP_S, (int)OpenGL.GL_REPEAT);
OpenGL.glTexParameteri(OpenGL.GL_TEXTURE_2D, OpenGL.GL_TEXTURE_WRAP_T, (int)OpenGL.GL_REPEAT);
OpenGL.glTexParameteri(OpenGL.GL_TEXTURE_2D, OpenGL.GL_TEXTURE_MIN_FILTER, (int)OpenGL.GL_LINEAR);
OpenGL.glTexParameteri(OpenGL.GL_TEXTURE_2D, OpenGL.GL_TEXTURE_MAG_FILTER, (int)OpenGL.GL_LINEAR);
}
OpenGL.glEnableClientState(OpenGL.GL_VERTEX_ARRAY);
return;
}
/// <summary>
/// Extract ordered indices on a triangle basis
/// Extract position and normal of each vertex per face
/// </summary>
/// <param name="mFnMesh"></param>
/// <param name="vertices"></param>
/// <param name="indices"></param>
/// <param name="subMeshes"></param>
/// <param name="uvSetNames"></param>
/// <param name="isUVExportSuccess"></param>
/// <param name="optimizeVertices"></param>
private void ExtractGeometry(MFnMesh mFnMesh, List <GlobalVertex> vertices, List <int> indices, List <BabylonSubMesh> subMeshes, MStringArray uvSetNames, ref bool[] isUVExportSuccess, bool optimizeVertices)
{
// TODO - optimizeVertices
MIntArray triangleCounts = new MIntArray();
MIntArray trianglesVertices = new MIntArray();
mFnMesh.getTriangles(triangleCounts, trianglesVertices);
MObjectArray shaders = new MObjectArray();
MIntArray faceMatIndices = new MIntArray(); // given a face index => get a shader index
mFnMesh.getConnectedShaders(0, shaders, faceMatIndices);
// Export geometry even if an error occured with shaders
// This is a fix for Maya test files
// TODO - Find the reason why shaders.count = 0
int nbShaders = Math.Max(1, shaders.Count);
bool checkShader = nbShaders == shaders.Count;
RaiseVerbose("shaders.Count=" + shaders.Count, 2);
// For each material of this mesh
for (int indexShader = 0; indexShader < nbShaders; indexShader++)
{
var nbIndicesSubMesh = 0;
var minVertexIndexSubMesh = int.MaxValue;
var maxVertexIndexSubMesh = int.MinValue;
var subMesh = new BabylonSubMesh {
indexStart = indices.Count, materialIndex = indexShader
};
// For each polygon of this mesh
for (int polygonId = 0; polygonId < faceMatIndices.Count; polygonId++)
{
if (checkShader && faceMatIndices[polygonId] != indexShader)
{
continue;
}
// The object-relative (mesh-relative/global) vertex indices for this face
MIntArray polygonVertices = new MIntArray();
mFnMesh.getPolygonVertices(polygonId, polygonVertices);
// For each triangle of this polygon
for (int triangleId = 0; triangleId < triangleCounts[polygonId]; triangleId++)
{
int[] polygonTriangleVertices = new int[3];
mFnMesh.getPolygonTriangleVertices(polygonId, triangleId, polygonTriangleVertices);
/*
* Switch coordinate system at global level
*
* Piece of code kept just in case
* See BabylonExporter for more information
*/
//// Inverse winding order to flip faces
//var tmp = triangleVertices[1];
//triangleVertices[1] = triangleVertices[2];
//triangleVertices[2] = tmp;
// For each vertex of this triangle (3 vertices per triangle)
foreach (int vertexIndexGlobal in polygonTriangleVertices)
{
// Get the face-relative (local) vertex id
int vertexIndexLocal = 0;
for (vertexIndexLocal = 0; vertexIndexLocal < polygonVertices.Count; vertexIndexLocal++)
{
if (polygonVertices[vertexIndexLocal] == vertexIndexGlobal)
{
break;
}
}
GlobalVertex vertex = ExtractVertex(mFnMesh, polygonId, vertexIndexGlobal, vertexIndexLocal, uvSetNames, ref isUVExportSuccess);
vertex.CurrentIndex = vertices.Count;
indices.Add(vertex.CurrentIndex);
vertices.Add(vertex);
minVertexIndexSubMesh = Math.Min(minVertexIndexSubMesh, vertex.CurrentIndex);
maxVertexIndexSubMesh = Math.Max(maxVertexIndexSubMesh, vertex.CurrentIndex);
nbIndicesSubMesh++;
}
}
}
if (nbIndicesSubMesh != 0)
{
subMesh.indexCount = nbIndicesSubMesh;
subMesh.verticesStart = minVertexIndexSubMesh;
subMesh.verticesCount = maxVertexIndexSubMesh - minVertexIndexSubMesh + 1;
subMeshes.Add(subMesh);
}
}
}
// Associates a user defined iterator with the shape (components)
//
public override MPxGeometryIterator geometryIteratorSetup( MObjectArray componentList,
MObject components,
bool forReadOnly = false )
//
// Description
//
// Creates a geometry iterator compatible with his shape.
//
// Arguments
//
// componentList - list of components to be iterated
// components - component to be iterator
// forReadOnly -
//
// Returns
//
// An iterator for the components
//
{
apiMeshGeomIterator result = null;
if ( components.isNull ) {
result = new apiMeshGeomIterator( meshGeom(), componentList );
}
else {
result = new apiMeshGeomIterator( meshGeom(), components );
}
return result;
}
//
// Description
//
// Transforms by the matrix the given components, or the entire shape
// if the componentList is empty. This method is used by the freezeTransforms command.
//
// Arguments
//
// mat - matrix to transform the components by
// componentList - list of components to be transformed,
// or an empty list to indicate the whole surface
//
// Support the translate/rotate/scale tool (components)
//
public override void transformUsing(MMatrix mat, MObjectArray componentList)
{
// Let the other version of transformUsing do the work for us.
//
transformUsing( mat,
componentList,
MVertexCachingMode.kNoPointCaching,
null);
}
public override bool match(MSelectionMask mask, MObjectArray componentList)
//
// Description:
//
// Check for matches between selection type / component list, and
// the type of this shape / or it's components
//
// This is used by sets and deformers to make sure that the selected
// components fall into the "vertex only" category.
//
// Arguments
//
// mask - selection type mask
// componentList - possible component list
//
// Returns
// true if matched any
//
{
bool result = false;
if( componentList.length == 0 ) {
result = mask.intersects( MSelectionMask.SelectionType.kSelectMeshes );
}
else {
for ( int i=0; i<componentList.length; i++ ) {
if ( (componentList[i].apiType == MFn.Type.kMeshVertComponent) &&
(mask.intersects(MSelectionMask.SelectionType.kSelectMeshVerts))
) {
result = true;
break;
}
}
}
return result;
}
//
// Description
//
// Transforms the given components. This method is used by
// the move, rotate, and scale tools in component mode when the
// tweaks for the shape are stored on a separate tweak node.
// The bounding box has to be updated here, so do the normals and
// any other attributes that depend on vertex positions.
//
// Arguments
// mat - matrix to transform the components by
// componentList - list of components to be transformed,
// or an empty list to indicate the whole surface
// cachingMode - how to use the supplied pointCache
// pointCache - if non-null, save or restore points from this list base
// on the cachingMode
// handle - handle to the attribute on the tweak node where the
// tweaks should be stored
//
public override void tweakUsing( MMatrix mat,
MObjectArray componentList,
MVertexCachingMode cachingMode,
MPointArray pointCache,
MArrayDataHandle handle)
{
apiMeshGeom geomPtr = meshGeom();
bool savePoints = (cachingMode == MVertexCachingMode.kSavePoints);
bool updatePoints = (cachingMode == MVertexCachingMode.kUpdatePoints);
MArrayDataBuilder builder = handle.builder();
MPoint delta = new MPoint();
MPoint currPt = new MPoint();
MPoint newPt = new MPoint();
int i=0;
uint len = componentList.length;
int cacheIndex = 0;
uint cacheLen = (null != pointCache) ? pointCache.length : 0;
if (cachingMode == MVertexCachingMode.kRestorePoints) {
// restore points from the pointCache
//
if (len > 0) {
// traverse the component list
//
for ( i=0; i<len; i++ )
{
MObject comp = componentList[i];
MFnSingleIndexedComponent fnComp = new MFnSingleIndexedComponent( comp );
int elemCount = fnComp.elementCount;
for ( int idx=0; idx<elemCount && cacheIndex < cacheLen; idx++, cacheIndex++) {
int elemIndex = fnComp.element( idx );
MDataHandle hdl = builder.addElement((uint)elemIndex);
double[] pt = hdl.Double3;
MPoint cachePt = pointCache[cacheIndex];
pt[0] += cachePt.x;
pt[1] += cachePt.y;
pt[2] += cachePt.z;
hdl.Double3 = pt;
}
}
} else {
// if the component list is of zero-length, it indicates that we
// should transform the entire surface
//
len = geomPtr.vertices.length;
for ( uint idx = 0; idx < len && idx < cacheLen; ++idx ) {
MDataHandle hdl = builder.addElement(idx);
double[] pt = hdl.Double3;
MPoint cachePt = pointCache[cacheIndex];
pt[0] += cachePt.x;
pt[1] += cachePt.y;
pt[2] += cachePt.z;
hdl.Double3 = pt;
}
}
} else {
// Tweak the points. If savePoints is true, also save the tweaks in the
// pointCache. If updatePoints is true, add the new tweaks to the existing
// data in the pointCache.
//
if (len > 0) {
for ( i=0; i<len; i++ )
{
MObject comp = componentList[i];
MFnSingleIndexedComponent fnComp = new MFnSingleIndexedComponent( comp );
int elemCount = fnComp.elementCount;
if (savePoints) {
pointCache.sizeIncrement = (uint)elemCount;
}
for ( int idx=0; idx<elemCount; idx++ )
{
int elemIndex = fnComp.element( idx );
MDataHandle hdl = builder.addElement((uint)elemIndex);
double[] pt = hdl.Double3;
currPt = newPt = geomPtr.vertices[elemIndex];
newPt.multiplyEqual( mat );
delta.x = newPt.x - currPt.x;
delta.y = newPt.y - currPt.y;
delta.z = newPt.z - currPt.z;
pt[0] += delta.x;
pt[1] += delta.y;
pt[2] += delta.z;
hdl.Double3 = pt;
if (savePoints) {
// store the points in the pointCache for undo
//
pointCache.append(delta*(-1.0));
} else if (updatePoints && cacheIndex < cacheLen) {
MPoint cachePt = pointCache[cacheIndex];
cachePt[0] -= delta.x;
cachePt[1] -= delta.y;
cachePt[2] -= delta.z;
cacheIndex++;
}
}
}
} else {
// if the component list is of zero-length, it indicates that we
// should transform the entire surface
//
len = geomPtr.vertices.length;
if (savePoints) {
pointCache.sizeIncrement = len;
}
for ( int idx = 0; idx < len; ++idx ) {
MDataHandle hdl = builder.addElement((uint)idx);
double[] pt = hdl.Double3;
currPt = newPt = geomPtr.vertices[idx];
newPt.multiplyEqual( mat );
delta.x = newPt.x - currPt.x;
delta.y = newPt.y - currPt.y;
delta.z = newPt.z - currPt.z;
pt[0] += delta.x;
pt[1] += delta.y;
pt[2] += delta.z;
hdl.Double3 = pt;
if (savePoints) {
// store the points in the pointCache for undo
//
pointCache.append(delta*-1.0);
} else if (updatePoints && idx < cacheLen) {
MPoint cachePt = pointCache[idx];
cachePt[0] -= delta.x;
cachePt[1] -= delta.y;
cachePt[2] -= delta.z;
}
}
}
}
// Set the builder into the handle.
//
handle.set(builder);
// Tell Maya the bounding box for this object has changed
// and thus "boundingBox()" needs to be called.
//
childChanged( MChildChanged.kBoundingBoxChanged );
}
// Support the translate/rotate/scale tool (components)
//
public override void transformUsing(MMatrix mat, MObjectArray componentList)
//
// Description
//
// Transforms by the matrix the given components, or the entire shape
// if the componentList is empty. This method is used by the freezeTransforms command.
//
// Arguments
//
// mat - matrix to transform the components by
// componentList - list of components to be transformed,
// or an empty list to indicate the whole surface
//
{
// Let the other version of transformUsing do the work for us.
//
transformUsing( mat,
componentList,
MVertexCachingMode.kNoPointCaching,
null);
}
//
// Description:
//
// Check for matches between selection type / component list, and
// the type of this shape / or it's components
//
// This is used by sets and deformers to make sure that the selected
// components fall into the "vertex only" category.
//
// Arguments
//
// mask - selection type mask
// componentList - possible component list
//
// Returns
// true if matched any
//
public override bool match(MSelectionMask mask, MObjectArray componentList)
{
bool result = false;
if( componentList.length == 0 ) {
result = mask.intersects( MSelectionMask.SelectionType.kSelectMeshes );
}
else {
for ( int i=0; i<componentList.length; i++ ) {
if ( (componentList[i].apiType == MFn.Type.kMeshVertComponent) &&
(mask.intersects(MSelectionMask.SelectionType.kSelectMeshVerts))
) {
result = true;
break;
}
}
}
return result;
}
protected override void getOutputAttributes(MObjectArray attributeArray)
{
attributeArray.clear();
attributeArray.append(GeometrySurfaceConstraint.constraintGeometry);
}
