// --------------------------------------------------------------------
MStatus SceneGraph::addInstancedDagPaths ( MSelectionList& selectionList )
{
MStatus status;
int length = selectionList.length ( &status );
if ( status != MStatus::kSuccess ) return MStatus::kFailure;
for ( int i=0; i<length; i++ )
{
MDagPath dagPath;
if ( selectionList.getDagPath ( i, dagPath ) != MStatus::kSuccess ) return MStatus::kFailure;
if ( dagPath.isInstanced() )
{
int includedInstance=dagPath.instanceNumber ( &status );
if ( status != MStatus::kSuccess ) return MStatus::kFailure;
MObject object=dagPath.node ( &status );
if ( status != MStatus::kSuccess ) return MStatus::kFailure;
MDagPathArray paths;
if ( MDagPath::getAllPathsTo ( object, paths ) != MStatus::kSuccess ) return MStatus::kFailure;
int numPaths=paths.length();
for ( int p=0; p<numPaths; p++ )
if ( p!=includedInstance )
selectionList.add ( paths[p] );
}
}
return MStatus::kSuccess;
}
// In order to correctly extract skinweights we first
// need to go into bindpose. (and we need to remember the current
// pose, to be able to undo it).
//
// I know: nearly no error-checking.
void
BindPoseTool::GoIntoBindPose()
{
MStatus status;
std::cout << " Going into bindpose ";
// == turn IK off
// save current state
undoInfo.ikSnap = MIkSystem::isGlobalSnap(&status);
undoInfo.ikSolve = MIkSystem::isGlobalSolve();
// turn it off
MIkSystem::setGlobalSnap(false);
MIkSystem::setGlobalSolve(false);
// == put joints into bindPose
for (MItDag dagIt(MItDag::kDepthFirst, MFn::kJoint);
!dagIt.isDone();
dagIt.next())
{
std::cout << ".";
MDagPath jointPath;
dagIt.getPath(jointPath);
if (jointPath.isInstanced())
{ // we only work on the first instance of an instanced joint.
if (jointPath.instanceNumber() != 0)
continue;
}
BindPoseUndoInformation::JointMatrixVector::value_type joint2transform;
MFnIkJoint joint(jointPath.node());
MTransformationMatrix currentTransform = joint.transformation(&status);
joint2transform.first = jointPath.node();
joint2transform.second = currentTransform;
undoInfo.savedTransforms.push_back(joint2transform);
MMatrix bindPoseMatrix = getBindPoseMatrix(joint);
joint.set(bindPoseMatrix);
}
std::cout << std::endl;
//cout << "bindPose end" << endl;
// don't know, if this is really necessary, but MS xporttranslator
// does it...
syncMeshes();
// remember the change
inBindPose = true;
}
//---------------------------------------------------------------
void LightExporter::exportLights ( SceneElement* sceneElement )
{
// If we have a external reference, we don't need to export the data here.
if ( !sceneElement->getIsLocal() ) return;
if ( !sceneElement->getIsExportNode () ) return;
// Check if it is a light.
SceneElement::Type sceneElementType = sceneElement->getType();
if ( sceneElementType == SceneElement::LIGHT )
{
// Get the current dag path
MDagPath dagPath = sceneElement->getPath();
// Check if the current scene element isn't already exported.
SceneGraph* sceneGraph = mDocumentExporter->getSceneGraph();
if ( sceneGraph->findExportedElement ( dagPath ) ) return;
// Check if the current element is an instance.
// We don't need to export instances, because we export the original instanced element.
bool isInstance = ( dagPath.isInstanced() && dagPath.instanceNumber() > 0 );
// If the original instanced element isn't already exported, we have to export it now.
if ( isInstance )
{
// Get the original instanced element.
MDagPath instancedPath;
dagPath.getPath ( instancedPath, 0 );
// Check if the original instanced element is already exported.
SceneGraph* sceneGraph = mDocumentExporter->getSceneGraph();
SceneElement* exportedElement = sceneGraph->findExportedElement ( instancedPath );
if (exportedElement == 0)
{
// Export the original instanced element and push it in the exported scene graph.
if (exportLight(instancedPath))
{
SceneElement* instancedSceneElement = sceneGraph->findElement(instancedPath);
SceneGraph* sceneGraph = mDocumentExporter->getSceneGraph();
sceneGraph->addExportedElement(instancedSceneElement);
}
}
}
else
{
// Export the element and push it in the exported scene graph.
if ( exportLight ( dagPath ) )
{
SceneGraph* sceneGraph = mDocumentExporter->getSceneGraph();
sceneGraph->addExportedElement( sceneElement );
}
}
}
// Recursive call for all the child elements
for ( uint i=0; i<sceneElement->getChildCount(); ++i )
{
SceneElement* childElement = sceneElement->getChild ( i );
exportLights ( childElement );
}
}
// --------------------------------------------------------------------
bool SceneGraph::getIsExportNode (
const MDagPath& dagPath,
bool& isForced,
bool& isVisible )
{
// Does this dagPath already exist? If so, only recurse if FollowInstancedChildren() is set.
MFnDagNode dagFn ( dagPath );
String dagNodeName = dagFn.name().asChar();
bool isSceneRoot = dagPath.length() == 0;
// Ignore default and intermediate nodes (history items)
bool isIntermediateObject = dagFn.isIntermediateObject();
if ( ( dagFn.isDefaultNode() && !isSceneRoot ) || isIntermediateObject )
{
return false;
}
MString nodeName = dagPath.partialPathName();
if ( nodeName == MString ( NIMA_INTERNAL_PHYSIKS ) )
{
// Skip this node, which is only used
// by Nima as a work-around for a Maya bug.
return false;
}
// If we are not already forcing this node, its children
// check whether we should be forcing it (skinning of hidden joints).
isForced = isForcedNode ( dagPath );
DagHelper::getPlugValue ( dagPath.node(), ATTR_VISIBILITY, isVisible );
bool isInstanced = dagPath.isInstanced();
uint instanceNumber = dagPath.instanceNumber();
if ( !isForced )
{
// Check for visibility
if ( !ExportOptions::exportInvisibleNodes() && !isVisible )
{
// Check if the visibility of the element is animated.
AnimationSampleCache* animationCache = mDocumentExporter->getAnimationCache();
if ( !AnimationHelper::isAnimated ( animationCache, dagPath.node(), ATTR_VISIBILITY ) )
{
return false;
}
}
else if ( !isVisible && !ExportOptions::exportDefaultCameras() )
{
// Check for the default camera transform names.
if ( nodeName == CAMERA_PERSP || nodeName == CAMERA_TOP || nodeName == CAMERA_SIDE || nodeName == CAMERA_FRONT ||
nodeName == CAMERA_PERSP_SHAPE || nodeName == CAMERA_TOP_SHAPE || nodeName == CAMERA_SIDE_SHAPE || nodeName == CAMERA_FRONT_SHAPE )
return false;
}
}
isForced &= !isVisible;
if ( !isForced )
{
// We don't want to process manipulators
if ( dagPath.hasFn ( MFn::kManipulator ) || dagPath.hasFn ( MFn::kViewManip ) ) return false;
// Check for constraints which are not exported
//if ( !ExportOptions::exportConstraints() && dagPath.hasFn ( MFn::kConstraint ) ) return false;
if ( dagPath.hasFn ( MFn::kConstraint ) ) return false;
// Check set membership exclusion/inclusion
if ( SetHelper::isExcluded ( dagPath ) ) return false;
}
return true;
}
// ------------------------------------------------------------
bool SceneGraph::create ( bool selectionOnly )
{
// The flag, if just the selected elements should be exported.
mExportSelectedOnly = selectionOnly;
// Add all the animation expressions
MItDependencyNodes depIter ( MFn::kExpression );
for ( ; !depIter.isDone(); depIter.next() )
{
MObject item = depIter.item();
if ( item.hasFn ( MFn::kExpression ) )
{
mAnimationExpressions.append ( item );
}
}
// Push all nodes from root down to all meshes which have to be exported in a list.
findForcedNodes ();
// Fills the list with all root targets to export.
bool success = retrieveExportNodes ();
// Create a selection list containing only the root nodes (implies export all!)
uint length = mTargets.length();
for ( uint i=0; i<mTargets.length(); ++i )
{
MDagPath dagPath;
MStatus status = mTargets.getDagPath ( i, dagPath );
if ( status != MStatus::kSuccess ) return false;
// This node has no transform - i.e., it's the world node
MObject transformNode = dagPath.transform ( &status );
if ( !status && status.statusCode () == MStatus::kInvalidParameter ) continue;
// Check if it is a valid transform node
MFnDagNode transform ( transformNode, &status );
if ( !status )
{
status.perror ( "MFnDagNode constructor" );
return false;
}
// Create a new scene element
SceneElement* sceneElement = createSceneElement ( dagPath );
// Push the root nodes into the tree.
// If the root node is instanced, push it at the beginning (no instance on root!).
if ( dagPath.isInstanced () )
mExportNodesTree.insert ( mExportNodesTree.begin (), sceneElement );
else
mExportNodesTree.push_back ( sceneElement );
// Create the child elements
//if ( sceneElement->getIsExportNode() )
{
createChildSceneElements ( sceneElement );
}
}
return true;
}
MStatus findTexturesPerPolygon::doIt( const MArgList& )
//
// Description:
// Find the texture files that apply to the color of each polygon of
// a selected shape if the shape has its polygons organized into sets.
//
{
// Get the selection and choose the first path on the selection list.
//
MStatus status;
MDagPath path;
MObject cmp;
MSelectionList slist;
MGlobal::getActiveSelectionList(slist);
slist.getDagPath(0, path, cmp);
// Have to make the path include the shape below it so that
// we can determine if the underlying shape node is instanced.
// By default, dag paths only include transform nodes.
//
path.extendToShape();
// If the shape is instanced then we need to determine which
// instance this path refers to.
//
int instanceNum = 0;
if (path.isInstanced())
instanceNum = path.instanceNumber();
// Get a list of all sets pertaining to the selected shape and the
// members of those sets.
//
MFnMesh fnMesh(path);
MObjectArray sets;
MObjectArray comps;
if (!fnMesh.getConnectedSetsAndMembers(instanceNum, sets, comps, true))
cerr << "ERROR: MFnMesh::getConnectedSetsAndMembers\n";
// Loop through all the sets. If the set is a polygonal set, find the
// shader attached to the and print out the texture file name for the
// set along with the polygons in the set.
//
for ( unsigned i=0; i<sets.length(); i++ ) {
MObject set = sets[i];
MObject comp = comps[i];
MFnSet fnSet( set, &status );
if (status == MS::kFailure) {
cerr << "ERROR: MFnSet::MFnSet\n";
continue;
}
// Make sure the set is a polygonal set. If not, continue.
MItMeshPolygon piter(path, comp, &status);
if ((status == MS::kFailure) || comp.isNull())
continue;
// Find the texture that is applied to this set. First, get the
// shading node connected to the set. Then, if there is an input
// attribute called "color", search upstream from it for a texture
// file node.
//
MObject shaderNode = findShader(set);
if (shaderNode == MObject::kNullObj)
continue;
MPlug colorPlug = MFnDependencyNode(shaderNode).findPlug("color", &status);
if (status == MS::kFailure)
continue;
MItDependencyGraph dgIt(colorPlug, MFn::kFileTexture,
MItDependencyGraph::kUpstream,
MItDependencyGraph::kBreadthFirst,
MItDependencyGraph::kNodeLevel,
&status);
if (status == MS::kFailure)
continue;
dgIt.disablePruningOnFilter();
// If no texture file node was found, just continue.
//
if (dgIt.isDone())
continue;
// Print out the texture node name and texture file that it references.
//
MObject textureNode = dgIt.thisNode();
MPlug filenamePlug = MFnDependencyNode(textureNode).findPlug("fileTextureName");
MString textureName;
filenamePlug.getValue(textureName);
cerr << "Set: " << fnSet.name() << endl;
cerr << "Texture Node Name: " << MFnDependencyNode(textureNode).name() << endl;
cerr << "Texture File Name: " << textureName.asChar() << endl;
// Print out the set of polygons that are contained in the current set.
//
for ( ; !piter.isDone(); piter.next() )
cerr << " poly component: " << piter.index() << endl;
}
return MS::kSuccess;
}
// Get shading engine
//
void CScriptedShapeTranslator::GetShapeInstanceShader(MDagPath& dagPath, MFnDependencyNode &shadingEngineNode)
{
// Get instance shadingEngine
shadingEngineNode.setObject(MObject::kNullObj);
// First try the usual way
MPlug shadingGroupPlug = GetNodeShadingGroup(dagPath.node(), (dagPath.isInstanced() ? dagPath.instanceNumber() : 0));
if (!shadingGroupPlug.isNull())
{
shadingEngineNode.setObject(shadingGroupPlug.node());
return;
}
char buffer[64];
// Check connection from any shadingEngine on shape
MStringArray connections;
MGlobal::executeCommand("listConnections -s 1 -d 0 -c 1 -type shadingEngine "+dagPath.fullPathName(), connections);
MSelectionList sl;
if (connections.length() == 0)
{
// Check for direct surface shader connection
MGlobal::executeCommand("listConnections -s 1 -d 0 -c 1 "+dagPath.fullPathName(), connections);
for (unsigned int cidx=0; cidx<connections.length(); cidx+=2)
{
MString srcNode = connections[cidx+1];
// Get node classification, if can find arnold/shader/surface -> got it
MStringArray rv;
MGlobal::executeCommand("getClassification `nodeType "+srcNode+"`", rv);
if (rv.length() > 0 && rv[0].indexW("arnold/shader/surface") != -1)
{
connections.clear();
MGlobal::executeCommand("listConnections -s 0 -d 1 -c 1 -type shadingEngine "+srcNode, connections);
if (connections.length() == 2)
{
sl.add(connections[1]);
}
break;
}
}
}
else if (connections.length() == 2)
{
// Single connection, use same shader for all instances
sl.add(connections[1]);
}
else if (connections.length() > 2)
{
// Many connections, expects the destination plug in shape to be an array
// Use instance number as logical index, if this fails, use first shadingEngine in list
bool found = false;
sprintf(buffer, "[%d]", dagPath.instanceNumber());
MString iidx = buffer;
for (unsigned int cidx = 0; cidx < connections.length(); cidx += 2)
{
MString conn = connections[cidx];
if (conn.length() < iidx.length())
{
continue;
}
if (conn.substring(conn.length() - iidx.length(), conn.length() - 1) != iidx)
{
continue;
}
sl.add(connections[cidx+1]);
found = true;
break;
}
if (!found)
{
MGlobal::displayWarning("[mtoaScriptedTranslators] Instance shader plug not found, use first found shadingEngine \"" + connections[1] + "\"");
sl.add(connections[1]);
}
}
if (sl.length() == 1)
{
MObject shadingEngineObj;
if (sl.getDependNode(0, shadingEngineObj) == MS::kSuccess && shadingEngineObj.apiType() == MFn::kShadingEngine)
{
shadingEngineNode.setObject(shadingEngineObj);
}
else
{
if (shadingEngineObj != MObject::kNullObj)
{
MFnDependencyNode dn(shadingEngineObj);
MGlobal::displayWarning("[mtoaScriptedTranslators] Not a shading engine \"" + dn.name() + "\"");
}
}
}
}
MStatus CXRayObjectExport::ExportPart(CEditableObject* O, MDagPath& mdagPath, MObject& mComponent)
{
MStatus stat = MS::kSuccess;
MSpace::Space space = MSpace::kWorld;
MFnMesh fnMesh( mdagPath, &stat );
if ( MS::kSuccess != stat) {
fprintf(stderr,"Failure in MFnMesh initialization.\n");
return MS::kFailure;
}
MString mdagPathNodeName = fnMesh.name();
MFnDagNode dagNode1(mdagPath);
u32 pc = dagNode1.parentCount();
for(u32 ip=0;ip<pc;++ip)
{
MObject object_parent = dagNode1.parent(ip, &stat);
if(object_parent.hasFn(MFn::kTransform))
{
MFnTransform parent_transform(object_parent,&stat);
if ( MS::kSuccess == stat)
{
mdagPathNodeName = parent_transform.name();
break;
}
}
}
MItMeshPolygon meshPoly( mdagPath, mComponent, &stat );
if ( MS::kSuccess != stat) {
fprintf(stderr,"Failure in MItMeshPolygon initialization.\n");
return MS::kFailure;
}
MItMeshVertex vtxIter( mdagPath, mComponent, &stat );
if ( MS::kSuccess != stat) {
fprintf(stderr,"Failure in MItMeshVertex initialization.\n");
return MS::kFailure;
}
// If the shape is instanced then we need to determine which
// instance this path refers to.
//
int instanceNum = 0;
if (mdagPath.isInstanced())
instanceNum = mdagPath.instanceNumber();
// Get a list of all shaders attached to this mesh
MObjectArray rgShaders;
MIntArray texMap;
MStatus status;
status = fnMesh.getConnectedShaders (instanceNum, rgShaders, texMap);
if (status == MStatus::kFailure)
{
Log("! Unable to load shaders for mesh");
return (MStatus::kFailure);
}
XRShaderDataVec xr_data;
{
for ( int i=0; i<(int)rgShaders.length(); i++ ) {
MObject shader = rgShaders[i];
xr_data.push_back(SXRShaderData());
SXRShaderData& D = xr_data.back();
status = parseShader(shader, D);
if (status == MStatus::kFailure) {
status.perror ("Unable to retrieve filename of texture");
continue;
}
}
}
CEditableMesh* MESH = new CEditableMesh(O);
MESH->SetName(mdagPathNodeName.asChar());
O->AppendMesh(MESH);
int objectIdx, length;
// Find i such that objectGroupsTablePtr[i] corresponds to the
// object node pointed to by mdagPath
length = objectNodeNamesArray.length();
{
for( int i=0; i<length; i++ ) {
if( objectNodeNamesArray[i] == mdagPathNodeName ) {
objectIdx = i;
break;
}
}
}
// Reserve uv table
{
VMapVec& _vmaps = MESH->m_VMaps;
_vmaps.resize (1);
st_VMap*& VM = _vmaps.back();
VM = new st_VMap("Texture",vmtUV,false);
}
// write faces
{
using FaceVec = xr_vector<st_Face>;
using FaceIt = FaceVec::iterator;
VMapVec& _vmaps = MESH->m_VMaps;
SurfFaces& _surf_faces = MESH->m_SurfFaces;
VMRefsVec& _vmrefs = MESH->m_VMRefs;
// temp variables
FvectorVec _points;
FaceVec _faces;
U32Vec _sgs;
int f_cnt = fnMesh.numPolygons();
_sgs.reserve (f_cnt);
_faces.reserve (f_cnt);
_vmrefs.reserve (f_cnt*3);
// int lastSmoothingGroup = INITIALIZE_SMOOTHING;
MPointArray rgpt;
MIntArray rgint;
PtLookupMap ptMap;
CSurface* surf = 0;
for ( ; !meshPoly.isDone(); meshPoly.next()){
// Write out the smoothing group that this polygon belongs to
// We only write out the smoothing group if it is different
// from the last polygon.
//
int compIdx = meshPoly.index();
int smoothingGroup = polySmoothingGroups[ compIdx ];
// for each polygon, first setup the reverse mapping
// between object-relative vertex indices and face-relative
// vertex indices
ptMap.clear();
for (int i=0; i<(int)meshPoly.polygonVertexCount(); i++)
ptMap.insert (PtLookupMap::value_type(meshPoly.vertexIndex(i), i) );
// verify polygon zero area
if (meshPoly.zeroArea()){
status = MS::kFailure;
Log("! polygon have zero area:",meshPoly.index());
return status;
}
// verify polygon zero UV area
/* if (meshPoly.zeroUVArea()){
status = MS::kFailure;
Log("! polygon have zero UV area:",meshPoly.index());
return status;
}
*/
// verify polygon has UV information
if (!meshPoly.hasUVs (&status)) {
status = MS::kFailure;
Log("! polygon is missing UV information:",meshPoly.index());
return status;
}
int cTri;
// now iterate through each triangle on this polygon and create a triangle object in our list
status = meshPoly.numTriangles (cTri);
if (!status) {
Log("! can't getting triangle count");
return status;
}
for (int i=0; i < cTri; i++) {
// for each triangle, first get the triangle data
rgpt.clear();//triangle vertices
rgint.clear();//triangle vertex indices
// triangles that come from object are retrieved in world space
status = meshPoly.getTriangle (i, rgpt, rgint, MSpace::kWorld);
if (!status) {
Log("! can't getting triangle for mesh poly");
return status;
}
if ((rgpt.length() != 3) || (rgint.length() != 3)) {
Msg("! 3 points not returned for triangle");
return MS::kFailure;
}
// Write out vertex/uv index information
//
R_ASSERT2(fnMesh.numUVs()>0,"Can't find uvmaps.");
_faces.push_back(st_Face());
_sgs.push_back(smoothingGroup);
//set_smooth
set_smoth_flags( _sgs.back(), rgint );
st_Face& f_it = _faces.back();
for ( int vtx=0; vtx<3; vtx++ ) {
// get face-relative vertex
PtLookupMap::iterator mapIt;
int vtLocal, vtUV;
int vt = rgint[vtx];
mapIt = ptMap.find(vt);
Fvector2 uv;
if (mapIt == ptMap.end()){
Msg("! Can't find local index.");
return MS::kFailure;
}
vtLocal = (*mapIt).second;
status = meshPoly.getUVIndex (vtLocal, vtUV, uv.x, uv.y);
if (!status) {
Msg("! error getting UV Index for local vertex '%d' and object vertex '%d'",vtLocal,vt);
return status;
}
// flip v-part
uv.y=1.f-uv.y;
f_it.pv[2-vtx].pindex = AppendVertex(_points,rgpt[vtx]);
f_it.pv[2-vtx].vmref = _vmrefs.size();
_vmrefs.push_back (st_VMapPtLst());
st_VMapPtLst& vm_lst = _vmrefs.back();
vm_lst.count = 1;
vm_lst.pts = xr_alloc<st_VMapPt>(vm_lst.count);
vm_lst.pts[0].vmap_index= 0;
vm_lst.pts[0].index = AppendUV(_vmaps.back(),uv);
}
// out face material
int iTexture = texMap[meshPoly.index()];
if (iTexture<0)
xrDebug::Fatal(DEBUG_INFO,"Can't find material for polygon: %d",meshPoly.index());
SXRShaderData& D= xr_data[iTexture];
int compIdx = meshPoly.index();
surf = MESH->Parent()->CreateSurface(getMaterialName(mdagPath, compIdx, objectIdx),D);
if (!surf) return MStatus::kFailure;
_surf_faces[surf].push_back(_faces.size()-1);
}
}
{
// copy from temp
MESH->m_VertCount = _points.size();
MESH->m_FaceCount = _faces.size();
MESH->m_Vertices = xr_alloc<Fvector>(MESH->m_VertCount);
Memory.mem_copy (MESH->m_Vertices,&*_points.begin(),MESH->m_VertCount*sizeof(Fvector));
MESH->m_Faces = xr_alloc<st_Face>(MESH->m_FaceCount);
Memory.mem_copy (MESH->m_Faces,&*_faces.begin(),MESH->m_FaceCount*sizeof(st_Face));
MESH->m_SmoothGroups = xr_alloc<u32>(MESH->m_FaceCount);
Memory.mem_copy (MESH->m_SmoothGroups,&*_sgs.begin(),MESH->m_FaceCount*sizeof(u32));
MESH->RecomputeBBox ();
}
if ((MESH->GetVertexCount()<4)||(MESH->GetFaceCount()<2))
{
Log ("! Invalid mesh: '%s'. Faces<2 or Verts<4",*MESH->Name());
return MS::kFailure;
}
}
return stat;
}
