bool util::isAncestorDescendentRelationship(const MDagPath & path1, const MDagPath & path2) { unsigned int length1 = path1.length(); unsigned int length2 = path2.length(); unsigned int diff; if (length1 == length2 && !(path1 == path2)) return false; MDagPath ancestor, descendent; if (length1 > length2) { ancestor = path2; descendent = path1; diff = length1 - length2; } else { ancestor = path1; descendent = path2; diff = length2 - length1; } descendent.pop(diff); bool ret = (ancestor == descendent); if (ret) { MString err = path1.fullPathName() + " and "; err += path2.fullPathName() + " have parenting relationships"; MGlobal::displayError(err); } return ret; }
// ------------------------------------------------------------ void SceneGraph::appendForcedNodeToList ( const MDagPath& dagPath ) { // Attach a function set MFnDependencyNode fn ( dagPath.node() ); String theNodeName = fn.name().asChar(); MDagPath dagPathCopy = dagPath; while ( dagPathCopy.length() > 0 && !isForcedNode ( dagPathCopy ) ) { // Attach a function set MFnDependencyNode fn ( dagPathCopy.node() ); String theNodeName = fn.name().asChar(); mForcedNodes.append ( dagPathCopy ); dagPathCopy.pop(); } }
// Remove any DAG object not in the selectedObjects list. void ShapeMonitor::stopWatchingUnselectedDagObjects(MSelectionList& selectedObjects) { // For each monitored object... for (int i = monitoredObjectsPtrArray.length()-1; i >= 0; i--) { MonitoredObject *pMonObject = monitoredObjectsPtrArray[i]; MStatus stat; // Get an MObject for the MonitoredObject->mayaNodeName. MDagPath dagpath; MSelectionList selList; selList.add(pMonObject->mayaNodeName); stat = selList.getDagPath(0, dagpath); // If the MObject is a DAG node... if (stat) { bool found = false; // Check if the dag path is included in the selectedObjects list. // For example, say that dagpath = "|group1|group2|pSphere|pSphereShape", // selectedObjects contains "|group1|group2". // We first check if dagpath is included in selectedObjects. If that's not the // case, we pop() one component, so that dagpath = "|group1|group2|pSphere", then // check again. We do that until either the dagpath is found to be included in // the selectedObjects list, or until there's no component left in dagpath. while (!found && dagpath.length() > 0) { // Since we store the shape name (as opposed to the parent transform dagpath), // we need to pop() to get the parent transform dagpath. dagpath.pop(); MObject component; // Check if the dag path is included in the objects list. if (selectedObjects.hasItemPartly(dagpath, component)) found = true; } // If the object was not in the selectedObjects list, stop watching it. if (!found) stopWatching(pMonObject->mayaNodeName); } } }
// -------------------------------------- void ReferenceManager::getRootObjects( const MObject& referenceNode, MDagPathArray& rootPaths, MObjectArray& subReferences) { rootPaths.clear(); subReferences.clear(); MFnDependencyNode referenceNodeFn(referenceNode); // Get the paths of all the dag nodes included in this reference MStringArray nodeNames; MString command = MString("reference -rfn \"") + referenceNodeFn.name() + "\" -q -node -dp;"; MGlobal::executeCommand(command, nodeNames); uint nodeNameCount = nodeNames.length(); MDagPathArray nodePaths; for (uint j = 0; j < nodeNameCount; ++j) { MObject o = DagHelper::getNode(nodeNames[j]); MDagPath p = DagHelper::getShortestDagPath(o); if (p.length() > 0) { nodePaths.append(p); } else { if (o != MObject::kNullObj && o.apiType() == MFn::kReference && strstr(nodeNames[j].asChar(), "_UNKNOWN_REF_NODE") == NULL) { subReferences.append(o); } } } // Keep only the root transform for the reference in our path arrays uint nodePathCount = nodePaths.length(); for (uint j = 0; j < nodePathCount; ++j) { const MDagPath& p = nodePaths[j]; if ( !isRootTransform ( nodePaths, p ) ) continue; rootPaths.append(p); } }
//--------------------------------------------------- // Get a dag path or node from a String MDagPath DagHelper::getShortestDagPath ( const MObject& node ) { MDagPathArray paths; MDagPath::getAllPathsTo ( node, paths ); MDagPath shortestPath; if ( paths.length() > 0 ) { shortestPath = paths[0]; for ( uint i = 1; i < paths.length(); ++i ) { if ( shortestPath.length() > paths[i].length() ) { shortestPath = paths[i]; } } } return shortestPath; }
bool usdWriteJob::beginJob(const std::string &iFileName, bool append, double startTime, double endTime) { // Check for DAG nodes that are a child of an already specified DAG node to export // if that's the case, report the issue and skip the export PxrUsdMayaUtil::ShapeSet::const_iterator m, n; PxrUsdMayaUtil::ShapeSet::const_iterator endPath = mArgs.dagPaths.end(); for (m = mArgs.dagPaths.begin(); m != endPath; ) { MDagPath path1 = *m; m++; for (n = m; n != endPath; n++) { MDagPath path2 = *n; if (PxrUsdMayaUtil::isAncestorDescendentRelationship(path1,path2)) { MString errorMsg = path1.fullPathName(); errorMsg += " and "; errorMsg += path2.fullPathName(); errorMsg += " have an ancestor relationship. Skipping USD Export."; MGlobal::displayError(errorMsg); return false; } } // for n } // for m // Make sure the file name is a valid one with a proper USD extension. const std::string iFileExtension = TfStringGetSuffix(iFileName, '.'); if (iFileExtension == PxrUsdMayaTranslatorTokens->UsdFileExtensionDefault || iFileExtension == PxrUsdMayaTranslatorTokens->UsdFileExtensionASCII || iFileExtension == PxrUsdMayaTranslatorTokens->UsdFileExtensionCrate) { mFileName = iFileName; } else { mFileName = TfStringPrintf("%s.%s", iFileName.c_str(), PxrUsdMayaTranslatorTokens->UsdFileExtensionDefault.GetText()); } MGlobal::displayInfo("usdWriteJob::beginJob: Create stage file "+MString(mFileName.c_str())); ArResolverContext resolverCtx = ArGetResolver().GetCurrentContext(); if (append) { mStage = UsdStage::Open(SdfLayer::FindOrOpen(mFileName), resolverCtx); if (!mStage) { MGlobal::displayError("Failed to open stage file "+MString(mFileName.c_str())); return false; } } else { mStage = UsdStage::CreateNew(mFileName, resolverCtx); if (!mStage) { MGlobal::displayError("Failed to create stage file "+MString(mFileName.c_str())); return false; } } // Set time range for the USD file mStage->SetStartTimeCode(startTime); mStage->SetEndTimeCode(endTime); mModelKindWriter.Reset(); // Setup the requested render layer mode: // defaultLayer - Switch to the default render layer before exporting, // then switch back afterwards (no layer switching if // the current layer IS the default layer). // currentLayer - No layer switching before or after exporting. Just // use whatever is the current render layer for export. // modelingVariant - Switch to the default render layer before exporting, // and export each render layer in the scene as a // modeling variant, then switch back afterwards (no // layer switching if the current layer IS the default // layer). The default layer will be made the default // modeling variant. MFnRenderLayer currentLayer(MFnRenderLayer::currentLayer()); mCurrentRenderLayerName = currentLayer.name(); if (mArgs.renderLayerMode == PxUsdExportJobArgsTokens->modelingVariant) { // Handle usdModelRootOverridePath for USD Variants MFnRenderLayer::listAllRenderLayers(mRenderLayerObjs); if (mRenderLayerObjs.length() > 1) { mArgs.usdModelRootOverridePath = SdfPath("/_BaseModel_"); } } // Switch to the default render layer unless the renderLayerMode is // 'currentLayer', or the default layer is already the current layer. if (mArgs.renderLayerMode != PxUsdExportJobArgsTokens->currentLayer && MFnRenderLayer::currentLayer() != MFnRenderLayer::defaultRenderLayer()) { // Set the RenderLayer to the default render layer MFnRenderLayer defaultLayer(MFnRenderLayer::defaultRenderLayer()); MGlobal::executeCommand(MString("editRenderLayerGlobals -currentRenderLayer ")+ defaultLayer.name(), false, false); } // Pre-process the argument dagPath path names into two sets. One set // contains just the arg dagPaths, and the other contains all parents of // arg dagPaths all the way up to the world root. Partial path names are // enough because Maya guarantees them to still be unique, and they require // less work to hash and compare than full path names. TfHashSet<std::string, TfHash> argDagPaths; TfHashSet<std::string, TfHash> argDagPathParents; PxrUsdMayaUtil::ShapeSet::const_iterator end = mArgs.dagPaths.end(); for (PxrUsdMayaUtil::ShapeSet::const_iterator it = mArgs.dagPaths.begin(); it != end; ++it) { MDagPath curDagPath = *it; std::string curDagPathStr(curDagPath.partialPathName().asChar()); argDagPaths.insert(curDagPathStr); while (curDagPath.pop() && curDagPath.length() >= 0) { curDagPathStr = curDagPath.partialPathName().asChar(); if (argDagPathParents.find(curDagPathStr) != argDagPathParents.end()) { // We've already traversed up from this path. break; } argDagPathParents.insert(curDagPathStr); } } // Now do a depth-first traversal of the Maya DAG from the world root. // We keep a reference to arg dagPaths as we encounter them. MDagPath curLeafDagPath; for (MItDag itDag(MItDag::kDepthFirst, MFn::kInvalid); !itDag.isDone(); itDag.next()) { MDagPath curDagPath; itDag.getPath(curDagPath); std::string curDagPathStr(curDagPath.partialPathName().asChar()); if (argDagPathParents.find(curDagPathStr) != argDagPathParents.end()) { // This dagPath is a parent of one of the arg dagPaths. It should // be included in the export, but not necessarily all of its // children should be, so we continue to traverse down. } else if (argDagPaths.find(curDagPathStr) != argDagPaths.end()) { // This dagPath IS one of the arg dagPaths. It AND all of its // children should be included in the export. curLeafDagPath = curDagPath; } else if (!MFnDagNode(curDagPath).hasParent(curLeafDagPath.node())) { // This dagPath is not a child of one of the arg dagPaths, so prune // it and everything below it from the traversal. itDag.prune(); continue; } MayaPrimWriterPtr primWriter = nullptr; if (!createPrimWriter(curDagPath, &primWriter) && curDagPath.length() > 0) { // This dagPath and all of its children should be pruned. itDag.prune(); continue; } if (primWriter) { mMayaPrimWriterList.push_back(primWriter); // Write out data (non-animated/default values). if (UsdPrim usdPrim = primWriter->write(UsdTimeCode::Default())) { MDagPath dag = primWriter->getDagPath(); mDagPathToUsdPathMap[dag] = usdPrim.GetPath(); // If we are merging transforms and the object derives from // MayaTransformWriter but isn't actually a transform node, we // need to add its parent. if (mArgs.mergeTransformAndShape) { MayaTransformWriterPtr xformWriter = boost::dynamic_pointer_cast<MayaTransformWriter>( primWriter); if (xformWriter) { MDagPath xformDag = xformWriter->getTransformDagPath(); mDagPathToUsdPathMap[xformDag] = usdPrim.GetPath(); } } mModelKindWriter.OnWritePrim(usdPrim, primWriter); if (primWriter->shouldPruneChildren()) { itDag.prune(); } } } } // Writing Materials/Shading PxrUsdMayaTranslatorMaterial::ExportShadingEngines( mStage, mArgs.dagPaths, mArgs.shadingMode, mArgs.mergeTransformAndShape, mArgs.usdModelRootOverridePath); if (!mModelKindWriter.MakeModelHierarchy(mStage)) { return false; } // now we populate the chasers and run export default mChasers.clear(); PxrUsdMayaChaserRegistry::FactoryContext ctx(mStage, mDagPathToUsdPathMap, mArgs); for (const std::string& chaserName : mArgs.chaserNames) { if (PxrUsdMayaChaserRefPtr fn = PxrUsdMayaChaserRegistry::GetInstance().Create(chaserName, ctx)) { mChasers.push_back(fn); } else { std::string error = TfStringPrintf("Failed to create chaser: %s", chaserName.c_str()); MGlobal::displayError(MString(error.c_str())); } } for (const PxrUsdMayaChaserRefPtr& chaser : mChasers) { if (!chaser->ExportDefault()) { return false; } } return true; }
MStatus AlembicExportCommand::doIt(const MArgList &args) { ESS_PROFILE_SCOPE("AlembicExportCommand::doIt"); MStatus status = MS::kFailure; MTime currentAnimStartTime = MAnimControl::animationStartTime(), currentAnimEndTime = MAnimControl::animationEndTime(), oldCurTime = MAnimControl::currentTime(), curMinTime = MAnimControl::minTime(), curMaxTime = MAnimControl::maxTime(); MArgParser argData(syntax(), args, &status); if (argData.isFlagSet("help")) { // TODO: implement help for this command // MGlobal::displayInfo(util::getHelpText()); return MS::kSuccess; } unsigned int jobCount = argData.numberOfFlagUses("jobArg"); MStringArray jobStrings; if (jobCount == 0) { // TODO: display dialog MGlobal::displayError("[ExocortexAlembic] No jobs specified."); MPxCommand::setResult( "Error caught in AlembicExportCommand::doIt: no job specified"); return status; } else { // get all of the jobstrings for (unsigned int i = 0; i < jobCount; i++) { MArgList jobArgList; argData.getFlagArgumentList("jobArg", i, jobArgList); jobStrings.append(jobArgList.asString(0)); } } // create a vector to store the jobs std::vector<AlembicWriteJob *> jobPtrs; double minFrame = 1000000.0; double maxFrame = -1000000.0; double maxSteps = 1; double maxSubsteps = 1; // init the curve accumulators AlembicCurveAccumulator::Initialize(); try { // for each job, check the arguments bool failure = false; for (unsigned int i = 0; i < jobStrings.length(); ++i) { double frameIn = 1.0; double frameOut = 1.0; double frameSteps = 1.0; double frameSubSteps = 1.0; MString filename; bool purepointcache = false; bool normals = true; bool uvs = true; bool facesets = true; bool bindpose = true; bool dynamictopology = false; bool globalspace = false; bool withouthierarchy = false; bool transformcache = false; bool useInitShadGrp = false; bool useOgawa = false; // Later, will need to be changed! MStringArray objectStrings; std::vector<std::string> prefixFilters; std::set<std::string> attributes; std::vector<std::string> userPrefixFilters; std::set<std::string> userAttributes; MObjectArray objects; std::string search_str, replace_str; // process all tokens of the job MStringArray tokens; jobStrings[i].split(';', tokens); for (unsigned int j = 0; j < tokens.length(); j++) { MStringArray valuePair; tokens[j].split('=', valuePair); if (valuePair.length() != 2) { MGlobal::displayWarning( "[ExocortexAlembic] Skipping invalid token: " + tokens[j]); continue; } const MString &lowerValue = valuePair[0].toLowerCase(); if (lowerValue == "in") { frameIn = valuePair[1].asDouble(); } else if (lowerValue == "out") { frameOut = valuePair[1].asDouble(); } else if (lowerValue == "step") { frameSteps = valuePair[1].asDouble(); } else if (lowerValue == "substep") { frameSubSteps = valuePair[1].asDouble(); } else if (lowerValue == "normals") { normals = valuePair[1].asInt() != 0; } else if (lowerValue == "uvs") { uvs = valuePair[1].asInt() != 0; } else if (lowerValue == "facesets") { facesets = valuePair[1].asInt() != 0; } else if (lowerValue == "bindpose") { bindpose = valuePair[1].asInt() != 0; } else if (lowerValue == "purepointcache") { purepointcache = valuePair[1].asInt() != 0; } else if (lowerValue == "dynamictopology") { dynamictopology = valuePair[1].asInt() != 0; } else if (lowerValue == "globalspace") { globalspace = valuePair[1].asInt() != 0; } else if (lowerValue == "withouthierarchy") { withouthierarchy = valuePair[1].asInt() != 0; } else if (lowerValue == "transformcache") { transformcache = valuePair[1].asInt() != 0; } else if (lowerValue == "filename") { filename = valuePair[1]; } else if (lowerValue == "objects") { // try to find each object valuePair[1].split(',', objectStrings); } else if (lowerValue == "useinitshadgrp") { useInitShadGrp = valuePair[1].asInt() != 0; } // search/replace else if (lowerValue == "search") { search_str = valuePair[1].asChar(); } else if (lowerValue == "replace") { replace_str = valuePair[1].asChar(); } else if (lowerValue == "ogawa") { useOgawa = valuePair[1].asInt() != 0; } else if (lowerValue == "attrprefixes") { splitListArg(valuePair[1], prefixFilters); } else if (lowerValue == "attrs") { splitListArg(valuePair[1], attributes); } else if (lowerValue == "userattrprefixes") { splitListArg(valuePair[1], userPrefixFilters); } else if (lowerValue == "userattrs") { splitListArg(valuePair[1], userAttributes); } else { MGlobal::displayWarning( "[ExocortexAlembic] Skipping invalid token: " + tokens[j]); continue; } } // now check the object strings for (unsigned int k = 0; k < objectStrings.length(); k++) { MSelectionList sl; MString objectString = objectStrings[k]; sl.add(objectString); MDagPath dag; for (unsigned int l = 0; l < sl.length(); l++) { sl.getDagPath(l, dag); MObject objRef = dag.node(); if (objRef.isNull()) { MGlobal::displayWarning("[ExocortexAlembic] Skipping object '" + objectStrings[k] + "', not found."); break; } // get all parents MObjectArray parents; // check if this is a camera bool isCamera = false; for (unsigned int m = 0; m < dag.childCount(); ++m) { MFnDagNode child(dag.child(m)); MFn::Type ctype = child.object().apiType(); if (ctype == MFn::kCamera) { isCamera = true; break; } } if (dag.node().apiType() == MFn::kTransform && !isCamera && !globalspace && !withouthierarchy) { MDagPath ppath = dag; while (!ppath.node().isNull() && ppath.length() > 0 && ppath.isValid()) { parents.append(ppath.node()); if (ppath.pop() != MStatus::kSuccess) { break; } } } else { parents.append(dag.node()); } // push all parents in while (parents.length() > 0) { bool found = false; for (unsigned int m = 0; m < objects.length(); m++) { if (objects[m] == parents[parents.length() - 1]) { found = true; break; } } if (!found) { objects.append(parents[parents.length() - 1]); } parents.remove(parents.length() - 1); } // check all of the shapes below if (!transformcache) { sl.getDagPath(l, dag); for (unsigned int m = 0; m < dag.childCount(); m++) { MFnDagNode child(dag.child(m)); if (child.isIntermediateObject()) { continue; } objects.append(child.object()); } } } } // check if we have incompatible subframes if (maxSubsteps > 1.0 && frameSubSteps > 1.0) { const double part = (frameSubSteps > maxSubsteps) ? (frameSubSteps / maxSubsteps) : (maxSubsteps / frameSubSteps); if (abs(part - floor(part)) > 0.001) { MString frameSubStepsStr, maxSubstepsStr; frameSubStepsStr.set(frameSubSteps); maxSubstepsStr.set(maxSubsteps); MGlobal::displayError( "[ExocortexAlembic] You cannot combine substeps " + frameSubStepsStr + " and " + maxSubstepsStr + " in one export. Aborting."); return MStatus::kInvalidParameter; } } // remember the min and max values for the frames if (frameIn < minFrame) { minFrame = frameIn; } if (frameOut > maxFrame) { maxFrame = frameOut; } if (frameSteps > maxSteps) { maxSteps = frameSteps; } if (frameSteps > 1.0) { frameSubSteps = 1.0; } if (frameSubSteps > maxSubsteps) { maxSubsteps = frameSubSteps; } // check if we have a filename if (filename.length() == 0) { MGlobal::displayError("[ExocortexAlembic] No filename specified."); for (size_t k = 0; k < jobPtrs.size(); k++) { delete (jobPtrs[k]); } MPxCommand::setResult( "Error caught in AlembicExportCommand::doIt: no filename " "specified"); return MStatus::kFailure; } // construct the frames MDoubleArray frames; { const double frameIncr = frameSteps / frameSubSteps; for (double frame = frameIn; frame <= frameOut; frame += frameIncr) { frames.append(frame); } } AlembicWriteJob *job = new AlembicWriteJob(filename, objects, frames, useOgawa, prefixFilters, attributes, userPrefixFilters, userAttributes); job->SetOption("exportNormals", normals ? "1" : "0"); job->SetOption("exportUVs", uvs ? "1" : "0"); job->SetOption("exportFaceSets", facesets ? "1" : "0"); job->SetOption("exportInitShadGrp", useInitShadGrp ? "1" : "0"); job->SetOption("exportBindPose", bindpose ? "1" : "0"); job->SetOption("exportPurePointCache", purepointcache ? "1" : "0"); job->SetOption("exportDynamicTopology", dynamictopology ? "1" : "0"); job->SetOption("indexedNormals", "1"); job->SetOption("indexedUVs", "1"); job->SetOption("exportInGlobalSpace", globalspace ? "1" : "0"); job->SetOption("flattenHierarchy", withouthierarchy ? "1" : "0"); job->SetOption("transformCache", transformcache ? "1" : "0"); // check if the search/replace strings are valid! if (search_str.length() ? !replace_str.length() : replace_str.length()) // either search or // replace string is // missing or empty! { ESS_LOG_WARNING( "Missing search or replace parameter. No strings will be " "replaced."); job->replacer = SearchReplace::createReplacer(); } else { job->replacer = SearchReplace::createReplacer(search_str, replace_str); } // check if the job is satifsied if (job->PreProcess() != MStatus::kSuccess) { MGlobal::displayError("[ExocortexAlembic] Job skipped. Not satisfied."); delete (job); failure = true; break; } // push the job to our registry MGlobal::displayInfo("[ExocortexAlembic] Using WriteJob:" + jobStrings[i]); jobPtrs.push_back(job); } if (failure) { for (size_t k = 0; k < jobPtrs.size(); k++) { delete (jobPtrs[k]); } return MS::kFailure; } // compute the job count unsigned int jobFrameCount = 0; for (size_t i = 0; i < jobPtrs.size(); i++) jobFrameCount += (unsigned int)jobPtrs[i]->GetNbObjects() * (unsigned int)jobPtrs[i]->GetFrames().size(); // now, let's run through all frames, and process the jobs const double frameRate = MTime(1.0, MTime::kSeconds).as(MTime::uiUnit()); const double incrSteps = maxSteps / maxSubsteps; double nextFrame = minFrame + incrSteps; for (double frame = minFrame; frame <= maxFrame; frame += incrSteps, nextFrame += incrSteps) { MAnimControl::setCurrentTime(MTime(frame / frameRate, MTime::kSeconds)); MAnimControl::setAnimationEndTime( MTime(nextFrame / frameRate, MTime::kSeconds)); MAnimControl::playForward(); // this way, it forces Maya to play exactly // one frame! and particles are updated! AlembicCurveAccumulator::StartRecordingFrame(); for (size_t i = 0; i < jobPtrs.size(); i++) { MStatus status = jobPtrs[i]->Process(frame); if (status != MStatus::kSuccess) { MGlobal::displayError("[ExocortexAlembic] Job aborted :" + jobPtrs[i]->GetFileName()); for (size_t k = 0; k < jobPtrs.size(); k++) { delete (jobPtrs[k]); } restoreOldTime(currentAnimStartTime, currentAnimEndTime, oldCurTime, curMinTime, curMaxTime); return status; } } AlembicCurveAccumulator::StopRecordingFrame(); } } catch (...) { MGlobal::displayError( "[ExocortexAlembic] Jobs aborted, force closing all archives!"); for (std::vector<AlembicWriteJob *>::iterator beg = jobPtrs.begin(); beg != jobPtrs.end(); ++beg) { (*beg)->forceCloseArchive(); } restoreOldTime(currentAnimStartTime, currentAnimEndTime, oldCurTime, curMinTime, curMaxTime); MPxCommand::setResult("Error caught in AlembicExportCommand::doIt"); status = MS::kFailure; } MAnimControl::stop(); AlembicCurveAccumulator::Destroy(); // restore the animation start/end time and the current time! restoreOldTime(currentAnimStartTime, currentAnimEndTime, oldCurTime, curMinTime, curMaxTime); // delete all jobs for (size_t k = 0; k < jobPtrs.size(); k++) { delete (jobPtrs[k]); } // remove all known archives deleteAllArchives(); return status; }
// ========== DtCameraGetMatrix ========== // // SYNOPSIS // Return the camera transformation matrix. This matrix // includes the camera rotation, translation, and scale // transforms. This function also sets the valid bits // for DT_CAMERA_POSITION and DT_CAMERA_ORIENTATION. // The matrix is in row-major order. // // From PA DT: // Not implemented: returns a pointer to an identity matrix // under the OpenModel implementation. // // For Maya DT: // This fuction returns the camera's global transformation matrix. // int DtCameraGetMatrix( int cameraID, float** matrix ) { // static float mtx[4][4]; static float globalMtx[4][4]; static float localMtx[4][4]; // Check for error. // if( ( cameraID < 0) || ( cameraID >= local->camera_ct ) ) { *matrix = NULL; return( 0 ); } // Set the valid flag. // // local->cameras[cameraID].valid_bits|=(DT_VALID_BIT_MASK&DT_CAMERA_MATRIX); // Get transformations. // #if 0 mtx[0][0]=1.0;mtx[0][1]=0.0;mtx[0][2]=0.0;mtx[0][3]=0.0; mtx[1][0]=0.0;mtx[1][1]=1.0;mtx[1][2]=0.0;mtx[1][3]=0.0; mtx[2][0]=0.0;mtx[2][1]=0.0;mtx[2][2]=1.0;mtx[2][3]=0.0; mtx[3][0]=0.0;mtx[3][1]=0.0;mtx[3][2]=0.0;mtx[3][3]=1.0; #endif // Camera transformation matrix is set on the transform node. // MStatus returnStatus = MS::kSuccess; MFnDagNode fnTransNode( local->cameras[cameraID].transformNode, &returnStatus ); MDagPath dagPath; returnStatus = fnTransNode.getPath( dagPath ); if( MS::kSuccess == returnStatus ) { if( DtExt_Debug() & DEBUG_CAMERA ) { cerr << "Got the dagPath\n"; cerr << "length of the dagpath is " << dagPath.length() << endl; } } MFnDagNode fnDagPath( dagPath, &returnStatus ); MMatrix localMatrix; MMatrix globalMatrix; localMatrix = fnTransNode.transformationMatrix ( &returnStatus ); globalMatrix = dagPath.inclusiveMatrix(); localMatrix.get( localMtx ); globalMatrix.get( globalMtx ); if( DtExt_Debug() & DEBUG_CAMERA ) { int i = 0; int j = 0; cerr << "camera's global transformation matrix:\n"; for( i = 0; i < 4; i++ ) { for( j = 0; j < 4; j++ ) { cerr << globalMtx[i][j] << " "; } cerr << endl; } cerr << "camera's local transformation matrix:\n"; for( i = 0; i < 4; i++ ) { for( j = 0; j < 4; j++ ) { cerr << localMtx[i][j] << " "; } cerr << endl; } } // *matrix = (float*)&mtx; *matrix = (float*)&globalMtx; return(1); } // DtCameraGetMatrix //
// ------------------------------------------------------------ bool SceneGraph::retrieveExportNodes() { // Create a selection list containing only the root nodes (implies export all!) MSelectionList allTargets; for ( MItDag it ( MItDag::kBreadthFirst ); it.depth()<=1 && it.item()!=MObject::kNullObj; it.next() ) { MDagPath path; MStatus status = it.getPath ( path ); String pathName = path.fullPathName().asChar(); // Attach a function set MFnDependencyNode fn ( path.node() ); String theNodeName = fn.name().asChar(); // Check if it's the world node if ( it.depth() == 0 ) continue; if ( status == MStatus::kSuccess ) { if ( mExportSelectedOnly ) allTargets.add ( path ); else mTargets.add ( path ); } } // now fill in the targets, either the same as allTargets, or it is export selection only if ( mExportSelectedOnly ) { // Export the selection: // Grab the selected DAG components if ( MStatus::kFailure == MGlobal::getActiveSelectionList ( mTargets ) ) { std::cerr << "MGlobal::getActiveSelectionList" << std::endl; return false; } // For all the non-transforms selected, make sure to extend to the transforms underneath. MDagPathArray additions; MIntArray removals; for ( uint32 i = 0; i < mTargets.length(); ++i ) { MDagPath itemPath; mTargets.getDagPath ( i, itemPath ); if ( !itemPath.node().hasFn ( MFn::kTransform ) ) { MDagPath transformPath = itemPath; while ( transformPath.length() > 0 ) { transformPath.pop(); if ( !mTargets.hasItem ( transformPath ) ) { additions.append ( transformPath ); break; } } removals.append ( i ); } } for ( uint32 i = 0; i < removals.length(); ++i ) mTargets.remove ( removals[i] - i ); for ( uint32 i = 0; i < additions.length(); ++i ) mTargets.add ( additions[i] ); // Add all the forced nodes to the list. uint32 forceNodeCount = mForcedNodes.length(); for ( uint32 i = 0; i < forceNodeCount; ++i ) { MDagPath p = mForcedNodes[i]; if ( mTargets.hasItem ( p ) ) continue; mTargets.add ( p ); } // Add additional selection paths for any objects in our // selection which have been instanced (either directly, or // via instancing of an ancestor) - as otherwise, the selection // will only include ONE of the DAG paths // addInstancedDagPaths ( mTargets ); // remove any selected nodes CONTAINED within other selected // hierarchies (to ensure we don't export subtrees multiple times) // removeMultiplyIncludedDagPaths ( mTargets ); } return true; }
// -------------------------------------------------------------------- MStatus SceneGraph::removeMultiplyIncludedDagPaths ( MSelectionList& selectionList ) { // As we're potentially deleting elements out of the selection list // it's easiest to avoid array bound check issues by walking the // list backwards. MStatus status; int length=selectionList.length ( &status ); if ( status != MStatus::kSuccess ) return MStatus::kFailure; for ( int i = length - 1; i >= 0; --i ) { MDagPath dagIPath; if ( selectionList.getDagPath ( i, dagIPath ) != MStatus::kSuccess ) return MStatus::kFailure; uint dagIdepth = dagIPath.length(); for ( int j = i - 1; j >= 0; --j ) { MDagPath dagJPath; if ( selectionList.getDagPath ( j, dagJPath ) != MStatus::kSuccess ) return MStatus::kFailure; // Test if the longer of these two dag paths contains the shorter ... uint dagJdepth = dagJPath.length(); if ( dagJdepth >= dagIdepth ) { bool isParent = false; for ( int depth = dagIdepth - 1; depth > 0 && !isParent; --depth ) { dagJPath.pop(); isParent = dagJPath.node() == dagIPath.node(); } if ( isParent ) { selectionList.remove ( j ); i--; } } else { bool isParent = false; MDagPath dagIt = dagIPath; for ( int depth = dagIdepth - 1; depth > 0 && !isParent; --depth ) { dagIt.pop(); isParent = dagJPath.node() == dagIt.node(); } if ( isParent ) { selectionList.remove ( i ); break; } } } } return MStatus::kSuccess; }
// -------------------------------------------------------------------- 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; }
// -------------------------------------- void ReferenceManager::processReference ( const MObject& referenceNode ) { MStatus status; MFnDependencyNode referenceNodeFn ( referenceNode, &status ); if (status != MStatus::kSuccess) return; #if MAYA_API_VERSION >= 600 MString referenceNodeName = MFnDependencyNode( referenceNode ).name(); Reference* reference = new Reference(); reference->referenceNode = referenceNode; mReferences.push_back ( reference ); // Get the paths of the root transforms included in this reference MObjectArray subReferences; getRootObjects ( referenceNode, reference->paths, subReferences ); uint pathCount = reference->paths.length(); // Process the sub-references first uint subReferenceCount = subReferences.length(); for (uint i = 0; i < subReferenceCount; ++i) { MObject& subReference = subReferences[i]; if ( subReference != MObject::kNullObj ) processReference ( subReference ); } // Retrieve the reference node's filename MString command = MString("reference -rfn \"") + referenceNodeFn.name() + MString("\" -q -filename;"); MString filename; status = MGlobal::executeCommand ( command, filename ); if (status != MStatus::kSuccess || filename.length() == 0) return; // Strip the filename of the multiple file token int stripIndex = filename.index('{'); if (stripIndex != -1) filename = filename.substring(0, stripIndex - 1); // Avoid transform look-ups on COLLADA references. int extLocation = filename.rindex('.'); if (extLocation > 0) { MString ext = filename.substring(extLocation + 1, filename.length() - 1).toLowerCase(); if (ext == "dae" || ext == "xml") return; } // Check for already existing file information // Otherwise create a new file information sheet with current node names for ( ReferenceFileList::iterator it = mFiles.begin(); it != mFiles.end(); ++it ) { if ((*it)->filename == filename) { reference->file = (*it); break; } } if ( reference->file == NULL ) reference->file = processReferenceFile(filename); // Get the list of the root transform's first child's unreferenced parents. // This is a list of the imported nodes! for (uint j = 0; j < pathCount; ++j) { MDagPath path = reference->paths[j]; if (path.childCount() > 0) { path.push ( path.child(0) ); MFnDagNode childNode ( path ); if (!childNode.object().hasFn(MFn::kTransform)) continue; uint parentCount = childNode.parentCount(); for (uint k = 0; k < parentCount; ++k) { MFnDagNode parentNode(childNode.parent(k)); if (parentNode.object() == MObject::kNullObj || parentNode.isFromReferencedFile()) continue; MDagPath parentPath = MDagPath::getAPathTo(parentNode.object()); if (parentPath.length() > 0) { ReferenceRootList::iterator it = reference->reroots.insert( reference->reroots.end(), ReferenceRoot() ); (*it).index = j; (*it).reroot = parentPath; } } } } #endif }
AbcWriteJob::AbcWriteJob(const char * iFileName, bool iAsOgawa, std::set<double> & iTransFrames, Alembic::AbcCoreAbstract::TimeSamplingPtr iTransTime, std::set<double> & iShapeFrames, Alembic::AbcCoreAbstract::TimeSamplingPtr iShapeTime, const JobArgs & iArgs) { MStatus status; mFileName = iFileName; mAsOgawa = iAsOgawa; mBoxIndex = 0; mArgs = iArgs; mShapeSamples = 1; mTransSamples = 1; if (mArgs.useSelectionList) { bool emptyDagPaths = mArgs.dagPaths.empty(); // get the active selection MSelectionList activeList; MGlobal::getActiveSelectionList(activeList); mSList = activeList; unsigned int selectionSize = activeList.length(); for (unsigned int index = 0; index < selectionSize; index ++) { MDagPath dagPath; status = activeList.getDagPath(index, dagPath); if (status == MS::kSuccess) { unsigned int length = dagPath.length(); while (--length) { dagPath.pop(); mSList.add(dagPath, MObject::kNullObj, true); } if (emptyDagPaths) { mArgs.dagPaths.insert(dagPath); } } } } mTransFrames = iTransFrames; mShapeFrames = iShapeFrames; // only needed during creation of the transforms and shapes mTransTime = iTransTime; mTransTimeIndex = 0; mShapeTime = iShapeTime; mShapeTimeIndex = 0; // should have at least 1 value assert(!mTransFrames.empty() && !mShapeFrames.empty()); mFirstFrame = *(mTransFrames.begin()); std::set<double>::iterator last = mTransFrames.end(); last--; mLastFrame = *last; last = mShapeFrames.end(); last--; double lastShapeFrame = *last; if (lastShapeFrame > mLastFrame) mLastFrame = lastShapeFrame; }
void maTranslator::writeDagNodes(fstream& f) { fParentingRequired.clear(); MItDag dagIter; dagIter.traverseUnderWorld(true); MDagPath worldPath; dagIter.getPath(worldPath); // // We step over the world node before starting the loop, because it // doesn't get written out. // for (dagIter.next(); !dagIter.isDone(); dagIter.next()) { MDagPath path; dagIter.getPath(path); // // If the node has already been written, then all of its descendants // must have been written, or at least checked, as well, so prune // this branch of the tree from the iteration. // MFnDagNode dagNodeFn(path); if (dagNodeFn.isFlagSet(fCreateFlag)) { dagIter.prune(); continue; } // // If this is a default node, it will be written out later, so skip // it. // if (dagNodeFn.isDefaultNode()) continue; // // If this node is not writable, and is not a shared node, then mark // it as having been written, and skip it. // if (!dagNodeFn.canBeWritten() && !dagNodeFn.isShared()) { dagNodeFn.setFlag(fCreateFlag, true); continue; } unsigned int numParents = dagNodeFn.parentCount(); if (dagNodeFn.isFromReferencedFile()) { // // We don't issue 'creatNode' commands for nodes from referenced // files, but if the node has any parents which are not from // referenced files, other than the world, then make a note that // we'll need to issue extra 'parent' commands for it later on. // unsigned int i; for (i = 0; i < numParents; i++) { MObject altParent = dagNodeFn.parent(i); MFnDagNode altParentFn(altParent); if (!altParentFn.isFromReferencedFile() && (altParentFn.object() != worldPath.node())) { fParentingRequired.append(path); break; } } } else { // // Find the node's parent. // MDagPath parentPath = worldPath; if (path.length() > 1) { // // Get the parent's path. // parentPath = path; parentPath.pop(); // // If the parent is in the underworld, then find the closest // ancestor which is not. // if (parentPath.pathCount() > 1) { // // The first segment of the path contains whatever // portion of the path exists in the world. So the closest // worldly ancestor is simply the one at the end of that // first path segment. // path.getPath(parentPath, 0); } } MFnDagNode parentNodeFn(parentPath); if (parentNodeFn.isFromReferencedFile()) { // // We prefer to parent to a non-referenced node. So if this // node has any other parents, which are not from referenced // files and have not already been processed, then we'll // skip this instance and wait for an instance through one // of those parents. // unsigned i; for (i = 0; i < numParents; i++) { if (dagNodeFn.parent(i) != parentNodeFn.object()) { MObject altParent = dagNodeFn.parent(i); MFnDagNode altParentFn(altParent); if (!altParentFn.isFromReferencedFile() && !altParentFn.isFlagSet(fCreateFlag)) { break; } } } if (i < numParents) continue; // // This node only has parents within referenced files, so // create it without a parent and note that we need to issue // 'parent' commands for it later on. // writeCreateNode(f, path, worldPath); fParentingRequired.append(path); } else { writeCreateNode(f, path, parentPath); // // Let's see if this node has any parents from referenced // files, or any parents other than this one which are not // from referenced files. // unsigned int i; bool hasRefParents = false; bool hasOtherNonRefParents = false; for (i = 0; i < numParents; i++) { if (dagNodeFn.parent(i) != parentNodeFn.object()) { MObject altParent = dagNodeFn.parent(i); MFnDagNode altParentFn(altParent); if (altParentFn.isFromReferencedFile()) hasRefParents = true; else hasOtherNonRefParents = true; // // If we've already got positives for both tests, // then there's no need in continuing. // if (hasRefParents && hasOtherNonRefParents) break; } } // // If this node has parents from referenced files, then // make note that we will have to issue 'parent' commands // later on. // if (hasRefParents) fParentingRequired.append(path); // // If this node has parents other than this one which are // not from referenced files, then make note that the // parenting for the other instances still has to be done. // if (hasOtherNonRefParents) { fInstanceChildren.append(path); fInstanceParents.append(parentPath); } } // // Write out the node's 'addAttr', 'setAttr' and 'lockNode' // commands. // writeNodeAttrs(f, path.node(), true); writeLockNode(f, path.node()); } // // Mark the node as having been written. // dagNodeFn.setFlag(fCreateFlag, true); } // // Write out the parenting for instances. // writeInstances(f); }
MStatus CIKSolverNode::doSimpleSolver() { MStatus stat; // Get the handle and create a function set for it // MIkHandleGroup* handle_group = handleGroup(); if (NULL == handle_group) { return MS::kFailure; } MObject handle = handle_group->handle(0); MDagPath handlePath = MDagPath::getAPathTo(handle); MFnIkHandle fnHandle(handlePath, &stat); // End-Effector MDagPath endEffectorPath; fnHandle.getEffector(endEffectorPath); MFnIkEffector fnEffector(endEffectorPath); MPoint effectorPos = fnEffector.rotatePivot(MSpace::kWorld); unsigned int numJoints = endEffectorPath.length(); std::vector<MDagPath> jointsDagPaths; jointsDagPaths.reserve(numJoints); while (endEffectorPath.length() > 1) { endEffectorPath.pop(); jointsDagPaths.push_back( endEffectorPath ); } std::reverse(jointsDagPaths.begin(), jointsDagPaths.end()); static bool builtLocalSkeleton = false; if (builtLocalSkeleton == false) { for (int jointIdx = 0; jointIdx < jointsDagPaths.size(); ++jointIdx) { MFnIkJoint curJoint(jointsDagPaths[jointIdx]); m_localJointsPos.push_back( curJoint.getTranslation(MSpace::kWorld) ); } m_localJointsPos.push_back(effectorPos ); builtLocalSkeleton = true; } MPoint startJointPos = MFnIkJoint(jointsDagPaths.front()).getTranslation(MSpace::kWorld); MVector startToEndEff = m_localJointsPos.back() - m_localJointsPos.front(); double curveLength = (getPosition(1.0) - getPosition(0.0)).length(); double chainLength = startToEndEff.length(); // in local space. double stretchFactor = curveLength / chainLength; double uVal = 0.0f; MVector jointPosL = m_localJointsPos[0]; for (int jointIdx = 0; jointIdx < jointsDagPaths.size(); ++jointIdx) { MFnIkJoint curJoint(jointsDagPaths[jointIdx]); MVector curJointPosL = m_localJointsPos[jointIdx]; double dist = stretchFactor * (curJointPosL - jointPosL).length(); uVal = uVal + dist / curveLength; MVector curCurveJointPos = getPosition(uVal); curJoint.setTranslation(curCurveJointPos, MSpace::kWorld); jointPosL = curJointPosL; } MVector effectorCurvePos = getPosition(1.0); MVector curCurveJointPos = getPosition(uVal); MVector effectorVec = (effectorCurvePos - curCurveJointPos).normal(); double endJointAngle[3]; MVector effectorVecXY = MVector(effectorVec(0), effectorVec(1), 0.0); endJointAngle[2] = effectorVecXY.angle(MVector(1, 0, 0)); if ((MVector(1, 0, 0) ^ effectorVecXY) * MVector(0, 0, 1) < 0.0) { endJointAngle[2] = -endJointAngle[2]; } MVector effectorVecXZ = MVector(effectorVec(0), 0.0, effectorVec(2)); endJointAngle[1] = effectorVecXZ.angle(MVector(1, 0, 0)); if ((MVector(1, 0, 0) ^ effectorVecXZ) * MVector(0, 1, 0) < 0.0) { endJointAngle[1] = -endJointAngle[1]; } endJointAngle[0] = 0.0; MFnIkJoint curJoint(jointsDagPaths.back()); curJoint.setRotation(endJointAngle, curJoint.rotationOrder()); return MS::kSuccess; }