bool
UsdGeomCollectionAPI::AppendTarget(
const SdfPath &target,
const VtIntArray &faceIndices /* =VtIntArray() */,
const UsdTimeCode &time /* =UsdTimeCode::Default() */) const
{
if (target.IsEmpty()) {
TF_CODING_ERROR("Cannot add empty target to collection '%s' on "
"prim <%s>.", _name.GetText(), GetPath().GetText());
return false;
}
bool hasFaceCountsAtTime = true;
if (time != UsdTimeCode::Default()) {
UsdAttribute targetFaceCountsAttr = GetTargetFaceCountsAttr();
double lower=0., upper=0.;
bool hasTimeSamples=false;
if (targetFaceCountsAttr.GetBracketingTimeSamples(time.GetValue(),
&lower, &upper, &hasTimeSamples))
{
hasFaceCountsAtTime = (lower==upper && lower==time.GetValue());
}
}
VtIntArray targetFaceCounts, targetFaceIndices;
if (hasFaceCountsAtTime) {
GetTargetFaceCounts(&targetFaceCounts, time);
GetTargetFaceIndices(&targetFaceIndices, time);
}
SdfPathVector targets;
GetTargets(&targets);
// If there are no existing face restrictions and no face-restriction is
// specified on the current target, simly add the target and return.
if (targetFaceCounts.empty() && targetFaceIndices.empty() &&
faceIndices.empty())
{
// We can simply add the target here to the relationship here since
// there are no companion non-list-edited integer arrays.
return CreateTargetsRel().AppendTarget(target);
}
if (targetFaceCounts.empty() && !targetFaceIndices.empty()) {
TF_CODING_ERROR("targetFaceCounts is empty, but targetFaceIndices "
"is not, for the collection '%s' belonging to prim <%s>.",
_name.GetText(), GetPath().GetText());
return false;
}
if (targetFaceCounts.empty() && !faceIndices.empty()) {
for (size_t i = 0 ; i < targets.size(); i++)
targetFaceCounts.push_back(0);
}
targetFaceCounts.push_back(faceIndices.size());
targetFaceIndices.reserve(targetFaceIndices.size() + faceIndices.size());
TF_FOR_ALL(it, faceIndices) {
targetFaceIndices.push_back(*it);
}
bool
MayaPrimWriter::writePrimAttrs(const MDagPath &dagT, const UsdTimeCode &usdTime, UsdGeomImageable &primSchema)
{
MStatus status;
MFnDependencyNode depFn(getDagPath().node());
MFnDependencyNode depFn2(dagT.node()); // optionally also scan a shape's transform if merging transforms
if (getArgs().exportVisibility) {
bool isVisible = true; // if BOTH shape or xform is animated, then visible
bool isAnimated = false; // if either shape or xform is animated, then animated
PxrUsdMayaUtil::getPlugValue(depFn, "visibility", &isVisible, &isAnimated);
if ( dagT.isValid() ) {
bool isVis, isAnim;
if (PxrUsdMayaUtil::getPlugValue(depFn2, "visibility", &isVis, &isAnim)){
isVisible = isVisible and isVis;
isAnimated = isAnimated or isAnim;
}
}
TfToken const &visibilityTok = (isVisible ? UsdGeomTokens->inherited :
UsdGeomTokens->invisible);
if (usdTime.IsDefault() != isAnimated ) {
if (usdTime.IsDefault())
primSchema.CreateVisibilityAttr(VtValue(visibilityTok), true);
else
primSchema.CreateVisibilityAttr().Set(visibilityTok, usdTime);
}
}
UsdPrim usdPrim = primSchema.GetPrim();
// There is no Gprim abstraction in this module, so process the few
// gprim attrs here.
UsdGeomGprim gprim = UsdGeomGprim(usdPrim);
if (gprim and usdTime.IsDefault()){
PxrUsdMayaPrimWriterContext* unused = NULL;
PxrUsdMayaTranslatorGprim::Write(
getDagPath().node(),
gprim,
unused);
}
_writeUsdInfo(dagT, usdTime, usdPrim);
// Write user-tagged export attributes. Write attributes on the transform
// first, and then attributes on the shape node. This means that attribute
// name collisions will always be handled by taking the shape node's value
// if we're merging transforms and shapes.
if (dagT.isValid() and !(dagT == getDagPath())) {
PxrUsdMayaWriteUtil::WriteUserExportedAttributes(dagT, usdPrim, usdTime);
}
PxrUsdMayaWriteUtil::WriteUserExportedAttributes(getDagPath(), usdPrim, usdTime);
return true;
}
bool
GusdUSD_XformCache::_GetLocalTransformation(const UsdPrim& prim,
UsdTimeCode time,
UT_Matrix4D& xform,
const XformInfoHandle& info)
{
// See if we can remap the time to for unvarying xforms.
if(!time.IsDefault() && !info->LocalXformIsMaybeTimeVarying()) {
/* XXX: we know we're not time varying, but that doesn't
mean that we can key default, since there might still
be a single varying value that we'd miss.
Key off of time=0 instead.*/
time = UsdTimeCode(0.0);
}
_VaryingKey key(GusdUSD_VaryingPropertyKey(prim, time));
if(auto item = _xforms.findItem(key)) {
xform = UTverify_cast<const _CappedXformItem*>(item.get())->xform;
return true;
}
/* XXX: Race is possible when setting computed value,
but it's preferable to have multiple threads compute the
same thing than to cause lock contention.*/
if(info->query.GetLocalTransformation(GusdUT_Gf::Cast(&xform), time)) {
_xforms.addItem(key, UT_CappedItemHandle(new _CappedXformItem(xform)));
return true;
}
return false;
}
bool
GusdUSD_XformCache::GetLocalToWorldTransform(const UsdPrim& prim,
UsdTimeCode time,
UT_Matrix4D& xform)
{
const auto info = GetXformInfo(prim);
if(BOOST_UNLIKELY(!info))
return false;
// See if we can remap the time to for unvarying xforms.
if(!time.IsDefault() && !info->WorldXformIsMaybeTimeVarying()) {
/* XXX: we know we're not time varying, but that doesn't
mean that we can key default, since there might still
be a single varying value that we'd miss.
Key off of time=0 instead.*/
time = UsdTimeCode(0.0);
}
_VaryingKey key(GusdUSD_VaryingPropertyKey(prim, time));
if(auto item = _worldXforms.findItem(key)) {
xform = UTverify_cast<const _CappedXformItem*>(item.get())->xform;
return true;
}
/* XXX: Race is possible when setting computed value,
but it's preferable to have multiple threads compute the
same thing than to cause lock contention.*/
if(_GetLocalTransformation(prim, time, xform, info)) {
if(BOOST_UNLIKELY(!info->HasParentXform())) {
_worldXforms.addItem(key, UT_CappedItemHandle(
new _CappedXformItem(xform)));
return true;
}
UsdPrim parent = prim.GetParent();
UT_ASSERT_P(parent);
UT_Matrix4D parentXf;
if(GetLocalToWorldTransform(parent, time, parentXf)) {
xform *= parentXf;
_worldXforms.addItem(
key, UT_CappedItemHandle(new _CappedXformItem(xform)));
return true;
}
}
return false;
}
// virtual
bool MayaNurbsCurveWriter::writeNurbsCurveAttrs(const UsdTimeCode &usdTime, UsdGeomNurbsCurves &primSchema)
{
MStatus status = MS::kSuccess;
// Write parent class attrs
writeTransformAttrs(usdTime, primSchema);
// Return if usdTime does not match if shape is animated
if (usdTime.IsDefault() == isShapeAnimated() ) {
// skip shape as the usdTime does not match if shape isAnimated value
return true;
}
MFnDependencyNode fnDepNode(getDagPath().node(), &status);
MString name = fnDepNode.name();
MFnNurbsCurve curveFn( getDagPath(), &status );
if (!status) {
MGlobal::displayError("MFnNurbsCurve() failed for MayaNurbsCurveWriter");
return false;
}
// Get curve attrs ======
unsigned int numCurves = 1; // Assuming only 1 curve for now
VtArray<int> curveOrder(numCurves);
VtArray<int> curveVertexCounts(numCurves);
VtArray<float> curveWidths(numCurves);
VtArray<GfVec2d> ranges(numCurves);
curveOrder[0] = curveFn.degree()+1;
curveVertexCounts[0] = curveFn.numCVs();
TF_AXIOM(curveOrder[0] <= curveVertexCounts[0] );
curveWidths[0] = 1.0; // TODO: Retrieve from custom attr
double mayaKnotDomainMin;
double mayaKnotDomainMax;
status = curveFn.getKnotDomain(mayaKnotDomainMin, mayaKnotDomainMax);
TF_AXIOM(status == MS::kSuccess);
ranges[0][0] = mayaKnotDomainMin;
ranges[0][1] = mayaKnotDomainMax;
MPointArray mayaCurveCVs;
status = curveFn.getCVs(mayaCurveCVs, MSpace::kObject);
TF_AXIOM(status == MS::kSuccess);
VtArray<GfVec3f> points(mayaCurveCVs.length()); // all CVs batched together
for (unsigned int i=0; i < mayaCurveCVs.length(); i++) {
points[i].Set(mayaCurveCVs[i].x, mayaCurveCVs[i].y, mayaCurveCVs[i].z);
}
MDoubleArray mayaCurveKnots;
status = curveFn.getKnots(mayaCurveKnots);
TF_AXIOM(status == MS::kSuccess);
VtArray<double> curveKnots(mayaCurveKnots.length()); // all knots batched together
for (unsigned int i=0; i < mayaCurveKnots.length(); i++) {
curveKnots[i] = mayaCurveKnots[i];
}
// Gprim
VtArray<GfVec3f> extent(2);
UsdGeomCurves::ComputeExtent(points, curveWidths, &extent);
primSchema.CreateExtentAttr().Set(extent, usdTime);
// Curve
primSchema.GetOrderAttr().Set(curveOrder); // not animatable
primSchema.GetCurveVertexCountsAttr().Set(curveVertexCounts); // not animatable
primSchema.GetWidthsAttr().Set(curveWidths); // not animatable
primSchema.GetKnotsAttr().Set(curveKnots); // not animatable
primSchema.GetRangesAttr().Set(ranges); // not animatable
primSchema.GetPointsAttr().Set(points, usdTime); // CVs
// TODO: Handle periodic and non-periodic cases
return true;
}
// virtual
bool MayaMeshWriter::writeMeshAttrs(const UsdTimeCode &usdTime, UsdGeomMesh &primSchema)
{
MStatus status = MS::kSuccess;
// Write parent class attrs
writeTransformAttrs(usdTime, primSchema);
// Return if usdTime does not match if shape is animated
if (usdTime.IsDefault() == isShapeAnimated() ) {
// skip shape as the usdTime does not match if shape isAnimated value
return true;
}
MFnMesh lMesh( getDagPath(), &status );
if ( !status )
{
MGlobal::displayError( "MFnMesh() failed for MayaMeshWriter" );
return false;
}
unsigned int numVertices = lMesh.numVertices();
unsigned int numPolygons = lMesh.numPolygons();
// Set mesh attrs ==========
// Get points
// TODO: Use memcpy()
const float* mayaRawPoints = lMesh.getRawPoints(&status);
VtArray<GfVec3f> points(numVertices);
for (unsigned int i = 0; i < numVertices; i++) {
unsigned int floatIndex = i*3;
points[i].Set(mayaRawPoints[floatIndex],
mayaRawPoints[floatIndex+1],
mayaRawPoints[floatIndex+2]);
}
primSchema.GetPointsAttr().Set(points, usdTime); // ANIMATED
// Compute the extent using the raw points
VtArray<GfVec3f> extent(2);
UsdGeomPointBased::ComputeExtent(points, &extent);
primSchema.CreateExtentAttr().Set(extent, usdTime);
// Get faceVertexIndices
unsigned int numFaceVertices = lMesh.numFaceVertices(&status);
VtArray<int> faceVertexCounts(numPolygons);
VtArray<int> faceVertexIndices(numFaceVertices);
MIntArray mayaFaceVertexIndices; // used in loop below
unsigned int curFaceVertexIndex = 0;
for (unsigned int i = 0; i < numPolygons; i++) {
lMesh.getPolygonVertices(i, mayaFaceVertexIndices);
faceVertexCounts[i] = mayaFaceVertexIndices.length();
for (unsigned int j=0; j < mayaFaceVertexIndices.length(); j++) {
faceVertexIndices[ curFaceVertexIndex ] = mayaFaceVertexIndices[j]; // push_back
curFaceVertexIndex++;
}
}
primSchema.GetFaceVertexCountsAttr().Set(faceVertexCounts); // not animatable
primSchema.GetFaceVertexIndicesAttr().Set(faceVertexIndices); // not animatable
// Read usdSdScheme attribute. If not set, we default to defaultMeshScheme
// flag that can be user defined and initialized to catmullClark
TfToken sdScheme = PxrUsdMayaMeshUtil::getSubdivScheme(lMesh, getArgs().defaultMeshScheme);
primSchema.CreateSubdivisionSchemeAttr(VtValue(sdScheme), true);
// Polygonal Mesh Case
if (sdScheme==UsdGeomTokens->none) {
// Support for standard USD bool and with Mojito bool tag
TfToken normalInterp=PxrUsdMayaMeshUtil::getEmitNormals(lMesh, UsdGeomTokens->none);
if (normalInterp==UsdGeomTokens->faceVarying) {
// Get References to members of meshData object
MFloatVectorArray normalArray;
MFloatVectorArray vertexNormalArray;
lMesh.getNormals(normalArray, MSpace::kObject);
// Iterate through each face in the mesh.
vertexNormalArray.setLength(lMesh.numFaceVertices());
VtArray<GfVec3f> meshNormals(lMesh.numFaceVertices());
size_t faceVertIdx = 0;
for (MItMeshPolygon faceIter(getDagPath()); !faceIter.isDone(); faceIter.next()) {
// Iterate through each face-vertex.
for (size_t locVertIdx = 0; locVertIdx < faceIter.polygonVertexCount();
++locVertIdx, ++faceVertIdx) {
int index=faceIter.normalIndex(locVertIdx);
for (int j=0;j<3;j++) {
meshNormals[faceVertIdx][j]=normalArray[index][j];
}
}
}
primSchema.GetNormalsAttr().Set(meshNormals, usdTime);
primSchema.SetNormalsInterpolation(normalInterp);
}
} else {
TfToken sdInterpBound = PxrUsdMayaMeshUtil::getSubdivInterpBoundary(
lMesh, UsdGeomTokens->edgeAndCorner);
primSchema.CreateInterpolateBoundaryAttr(VtValue(sdInterpBound), true);
TfToken sdFVInterpBound = PxrUsdMayaMeshUtil::getSubdivFVInterpBoundary(
lMesh);
primSchema.CreateFaceVaryingLinearInterpolationAttr(
VtValue(sdFVInterpBound), true);
assignSubDivTagsToUSDPrim( lMesh, primSchema);
}
// Holes - we treat InvisibleFaces as holes
MUintArray mayaHoles = lMesh.getInvisibleFaces();
if (mayaHoles.length() > 0) {
VtArray<int> subdHoles(mayaHoles.length());
for (unsigned int i=0; i < mayaHoles.length(); i++) {
subdHoles[i] = mayaHoles[i];
}
// not animatable in Maya, so we'll set default only
primSchema.GetHoleIndicesAttr().Set(subdHoles);
}
// == Write UVSets as Vec2f Primvars
MStringArray uvSetNames;
if (getArgs().exportMeshUVs) {
status = lMesh.getUVSetNames(uvSetNames);
}
for (unsigned int i=0; i < uvSetNames.length(); i++) {
// Initialize the VtArray to the max possible size (facevarying)
VtArray<GfVec2f> uvValues(numFaceVertices);
TfToken interpolation=TfToken();
// Gather UV data and interpolation into a Vec2f VtArray and try to compress if possible
if (_GetMeshUVSetData(lMesh, uvSetNames[i], &uvValues, &interpolation) == MS::kSuccess) {
// XXX:bug 118447
// We should be able to configure the UV map name that triggers this
// behavior, and the name to which it exports.
// The UV Set "map1" is renamed st. This is a Pixar/USD convention
TfToken setName(uvSetNames[i].asChar());
if (setName == "map1") setName=UsdUtilsGetPrimaryUVSetName();
// Create the primvar and set the values
UsdGeomPrimvar uvSet =
primSchema.CreatePrimvar(setName, SdfValueTypeNames->Float2Array, interpolation);
uvSet.Set( uvValues ); // not animatable
}
}
// == Gather ColorSets
MStringArray colorSetNames;
if (getArgs().exportColorSets) {
status = lMesh.getColorSetNames(colorSetNames);
}
// shaderColor is used in our pipeline as displayColor.
// shaderColor is used to fill faces where the colorset is not assigned
MColorArray shaderColors;
MObjectArray shaderObjs;
VtArray<GfVec3f> shadersRGBData;
TfToken shadersRGBInterp;
VtArray<float> shadersAlphaData;
TfToken shadersAlphaInterp;
// If exportDisplayColor is set to true or we have color sets,
// gather color & opacity from the shader including per face
// assignment. Color set require this to initialize unauthored/unpainted faces
if (getArgs().exportDisplayColor or colorSetNames.length()>0) {
PxrUsdMayaUtil::GetLinearShaderColor(lMesh, numPolygons,
&shadersRGBData, &shadersRGBInterp,
&shadersAlphaData, &shadersAlphaInterp);
}
for (unsigned int i=0; i < colorSetNames.length(); i++) {
bool isDisplayColor=false;
if (colorSetNames[i]=="displayColor") {
if (not getArgs().exportDisplayColor)
continue;
isDisplayColor=true;
}
if (colorSetNames[i]=="displayOpacity") {
MGlobal::displayWarning("displayOpacity on mesh:" + lMesh.fullPathName() +
" is a reserved PrimVar name in USD. Skipping...");
continue;
}
VtArray<GfVec3f> RGBData;
TfToken RGBInterp;
VtArray<GfVec4f> RGBAData;
TfToken RGBAInterp;
VtArray<float> AlphaData;
TfToken AlphaInterp;
MFnMesh::MColorRepresentation colorSetRep;
bool clamped=false;
// If displayColor uses shaderValues for non authored areas
// and allow RGB and Alpha to have different interpolation
// For all other colorSets the non authored values are set
// to (1,1,1,1) and RGB and Alpha will have the same interplation
// since they will be emitted as a Vec4f
if (not _GetMeshColorSetData( lMesh, colorSetNames[i],
isDisplayColor,
shadersRGBData, shadersAlphaData,
&RGBData, &RGBInterp,
&RGBAData, &RGBAInterp,
&AlphaData, &AlphaInterp,
&colorSetRep, &clamped)) {
MGlobal::displayWarning("Unable to retrieve colorSet data: " +
colorSetNames[i] + " on mesh: "+ lMesh.fullPathName() + ". Skipping...");
continue;
}
if (isDisplayColor) {
// We tag the resulting displayColor/displayOpacity primvar as
// authored to make sure we reconstruct the colorset on import
// The RGB is also convererted From DisplayToLinear
_setDisplayPrimVar( primSchema, colorSetRep,
RGBData, RGBInterp,
AlphaData, AlphaInterp,
clamped, true);
} else {
TfToken colorSetNameToken = TfToken(
PxrUsdMayaUtil::SanitizeColorSetName(
std::string(colorSetNames[i].asChar())));
if (colorSetRep == MFnMesh::kAlpha) {
_createAlphaPrimVar(primSchema, colorSetNameToken,
AlphaData, AlphaInterp, clamped);
} else if (colorSetRep == MFnMesh::kRGB) {
_createRGBPrimVar(primSchema, colorSetNameToken,
RGBData, RGBInterp, clamped);
} else if (colorSetRep == MFnMesh::kRGBA) {
_createRGBAPrimVar(primSchema, colorSetNameToken,
RGBAData, RGBAInterp, clamped);
}
}
}
// Set displayColor and displayOpacity only if they are NOT authored already
// Since this primvar will come from the shader and not a colorset,
// we are not adding the clamp attribute as custom data
// If a displayColor/displayOpacity is added, it's not considered authored
// we don't need to reconstruct this as a colorset since it orgininated
// from bound shader[s], so the authored flag is set to false
// Given that this RGB is for display, we do DisplayToLinear conversion
if (getArgs().exportDisplayColor) {
_setDisplayPrimVar( primSchema, MFnMesh::kRGBA,
shadersRGBData, shadersRGBInterp,
shadersAlphaData, shadersAlphaInterp,
false, false);
}
return true;
}
bool
PxrUsdTranslators_InstancerWriter::writeInstancerAttrs(
const UsdTimeCode& usdTime,
const UsdGeomPointInstancer& instancer)
{
MStatus status = MS::kSuccess;
MFnDagNode dagNode(GetDagPath(), &status);
CHECK_MSTATUS_AND_RETURN(status, false);
// Note: In this function, we don't read instances using the provided
// MFnInstancer API. One reason is that it breaks up prototypes into their
// constituent shapes, and there's no way to figure out which hierarchy
// they came from. Another reason is that it only provides computed matrices
// and not separate position, rotation, scale attrs.
const SdfPath prototypesGroupPath =
instancer.GetPrim().GetPath().AppendChild(_tokens->Prototypes);
// At the default time, setup all the prototype instances.
if (usdTime.IsDefault()) {
const MPlug inputHierarchy = dagNode.findPlug("inputHierarchy", true,
&status);
CHECK_MSTATUS_AND_RETURN(status, false);
// Note that the "Prototypes" prim needs to be a model group to ensure
// contiguous model hierarchy.
const UsdPrim prototypesGroupPrim = GetUsdStage()->DefinePrim(
prototypesGroupPath);
UsdModelAPI(prototypesGroupPrim).SetKind(KindTokens->group);
_modelPaths.push_back(prototypesGroupPath);
UsdRelationship prototypesRel = instancer.CreatePrototypesRel();
const unsigned int numElements = inputHierarchy.numElements();
for (unsigned int i = 0; i < numElements; ++i) {
const MPlug plug = inputHierarchy[i];
const MPlug source(UsdMayaUtil::GetConnected(plug));
if (source.isNull()) {
TF_WARN("Cannot read prototype: the source plug %s was null",
plug.name().asChar());
return false;
}
MFnDagNode sourceNode(source.node(), &status);
CHECK_MSTATUS_AND_RETURN(status, false);
MDagPath prototypeDagPath;
sourceNode.getPath(prototypeDagPath);
// Prototype names are guaranteed unique by virtue of having a
// unique numerical suffix _# indicating the prototype index.
const TfToken prototypeName(
TfStringPrintf("%s_%d", sourceNode.name().asChar(), i));
const SdfPath prototypeUsdPath = prototypesGroupPrim.GetPath()
.AppendChild(prototypeName);
UsdPrim prototypePrim = GetUsdStage()->DefinePrim(
prototypeUsdPath);
_modelPaths.push_back(prototypeUsdPath);
// Try to be conservative and only create an intermediary xformOp
// with the instancerTranslate if we can ensure that we don't need
// to compensate for the translation on the prototype root.
//
// XXX: instancerTranslate does not behave well when added to a
// reference that has an existing transform on the far side of the
// reference. However, its behavior at least matches the
// behavior in UsdMayaTranslatorModelAssembly. If we fix the
// behavior there, we need to make sure that this is also
// fixed to match.
bool instancerTranslateAnimated = false;
if (_NeedsExtraInstancerTranslate(
prototypeDagPath, &instancerTranslateAnimated)) {
UsdGeomXformable xformable(prototypePrim);
UsdGeomXformOp newOp = xformable.AddTranslateOp(
UsdGeomXformOp::PrecisionDouble,
_tokens->instancerTranslate);
_instancerTranslateOps.push_back(
{prototypeDagPath, newOp, instancerTranslateAnimated});
}
// Two notes:
// (1) We don't un-instance here, because it's OK for the prototype
// to just be a reference to an instance master if the prototype
// participates in Maya native instancing.
// (2) The prototype root must be visible to match Maya's behavior,
// which always vis'es the prototype root, even if it is marked
// hidden.
_writeJobCtx.CreatePrimWriterHierarchy(
prototypeDagPath,
prototypeUsdPath,
/*forceUninstance*/ false,
/*exportRootVisibility*/ false,
&_prototypeWriters);
prototypesRel.AddTarget(prototypeUsdPath);
}
_numPrototypes = numElements;
}
// If there aren't any prototypes, fail and don't export on subsequent
// time-sampled exports.
if (_numPrototypes == 0) {
return false;
}
// Actual write of prototypes (@ both default time and animated time).
for (UsdMayaPrimWriterSharedPtr& writer : _prototypeWriters) {
writer->Write(usdTime);
if (usdTime.IsDefault()) {
// Prototype roots should have kind component or derived.
// Calling Write() above may have populated kinds, so don't stomp
// over existing component-derived kinds.
// (Note that ModelKindWriter's fix-up stage might change this.)
if (writer->GetUsdPath().GetParentPath() == prototypesGroupPath) {
if (const UsdPrim writerPrim = writer->GetUsdPrim()) {
UsdModelAPI primModelAPI(writerPrim);
TfToken kind;
primModelAPI.GetKind(&kind);
if (!KindRegistry::IsA(kind, KindTokens->component)) {
primModelAPI.SetKind(KindTokens->component);
}
}
}
}
}
// Write the instancerTranslate xformOp for all prims that need it.
// (This should happen @ default time or animated time depending on whether
// the xform is animated.)
for (const _TranslateOpData& opData : _instancerTranslateOps) {
if (opData.isAnimated != usdTime.IsDefault()) {
GfVec3d origin;
if (_GetTransformedOriginInLocalSpace(opData.mayaPath, &origin)) {
UsdGeomXformOp translateOp = opData.op;
_SetAttribute(translateOp.GetAttr(), -origin, usdTime);
}
}
}
// Grab the inputPoints data from the source plug.
// (This attribute's value must come from a source plug; it isn't
// directly writeable. Thus reading it directly may not give the right
// value depending on Maya's execution behavior.)
MPlug inputPointsDest = dagNode.findPlug("inputPoints", true, &status);
CHECK_MSTATUS_AND_RETURN(status, false);
MPlug inputPointsSrc = UsdMayaUtil::GetConnected(inputPointsDest);
if (inputPointsSrc.isNull()) {
TF_WARN("inputPoints not connected on instancer '%s'",
GetDagPath().fullPathName().asChar());
return false;
}
auto holder = UsdMayaUtil::GetPlugDataHandle(inputPointsSrc);
if (!holder) {
TF_WARN("Unable to read inputPoints data handle for instancer '%s'",
GetDagPath().fullPathName().asChar());
return false;
}
MFnArrayAttrsData inputPointsData(holder->GetDataHandle().data(),
&status);
CHECK_MSTATUS_AND_RETURN(status, false);
if (!UsdMayaWriteUtil::WriteArrayAttrsToInstancer(
inputPointsData, instancer, _numPrototypes, usdTime,
_GetSparseValueWriter())) {
return false;
}
// Load the completed point instancer to compute and set its extent.
instancer.GetPrim().GetStage()->Load(instancer.GetPath());
VtArray<GfVec3f> extent(2);
if (instancer.ComputeExtentAtTime(&extent, usdTime, usdTime)) {
_SetAttribute(instancer.CreateExtentAttr(), &extent, usdTime);
}
return true;
}
bool
PxrUsdMayaWriteUtil::SetUsdAttr(
const MPlug& attrPlug,
const UsdAttribute& usdAttr,
const UsdTimeCode& usdTime,
const bool translateMayaDoubleToUsdSinglePrecision)
{
if (!usdAttr || attrPlug.isNull()) {
return false;
}
bool isAnimated = attrPlug.isDestination();
if (usdTime.IsDefault() == isAnimated) {
return true;
}
// We perform a similar set of type-infererence acrobatics here as we do up
// above in GetUsdTypeName(). See the comments there for more detail on a
// few type-related oddities.
MObject attrObj(attrPlug.attribute());
if (attrObj.hasFn(MFn::kEnumAttribute)) {
MFnEnumAttribute enumAttrFn(attrObj);
const short enumIndex = attrPlug.asShort();
const TfToken enumToken(enumAttrFn.fieldName(enumIndex).asChar());
return usdAttr.Set(enumToken, usdTime);
}
MFnNumericData::Type numericDataType;
MFnData::Type typedDataType;
MFnUnitAttribute::Type unitDataType;
_GetMayaAttributeNumericTypedAndUnitDataTypes(attrPlug,
numericDataType,
typedDataType,
unitDataType);
if (attrObj.hasFn(MFn::kMatrixAttribute)) {
typedDataType = MFnData::kMatrix;
}
switch (typedDataType) {
case MFnData::kString: {
MFnStringData stringDataFn(attrPlug.asMObject());
const std::string usdVal(stringDataFn.string().asChar());
return usdAttr.Set(usdVal, usdTime);
break;
}
case MFnData::kMatrix: {
MFnMatrixData matrixDataFn(attrPlug.asMObject());
const GfMatrix4d usdVal(matrixDataFn.matrix().matrix);
return usdAttr.Set(usdVal, usdTime);
break;
}
case MFnData::kStringArray: {
MFnStringArrayData stringArrayDataFn(attrPlug.asMObject());
VtStringArray usdVal(stringArrayDataFn.length());
for (unsigned int i = 0; i < stringArrayDataFn.length(); ++i) {
usdVal[i] = std::string(stringArrayDataFn[i].asChar());
}
return usdAttr.Set(usdVal, usdTime);
break;
}
case MFnData::kDoubleArray: {
MFnDoubleArrayData doubleArrayDataFn(attrPlug.asMObject());
if (translateMayaDoubleToUsdSinglePrecision) {
VtFloatArray usdVal(doubleArrayDataFn.length());
for (unsigned int i = 0; i < doubleArrayDataFn.length(); ++i) {
usdVal[i] = (float)doubleArrayDataFn[i];
}
return usdAttr.Set(usdVal, usdTime);
} else {
VtDoubleArray usdVal(doubleArrayDataFn.length());
for (unsigned int i = 0; i < doubleArrayDataFn.length(); ++i) {
usdVal[i] = doubleArrayDataFn[i];
}
return usdAttr.Set(usdVal, usdTime);
}
break;
}
case MFnData::kFloatArray: {
MFnFloatArrayData floatArrayDataFn(attrPlug.asMObject());
VtFloatArray usdVal(floatArrayDataFn.length());
for (unsigned int i = 0; i < floatArrayDataFn.length(); ++i) {
usdVal[i] = floatArrayDataFn[i];
}
return usdAttr.Set(usdVal, usdTime);
break;
}
case MFnData::kIntArray: {
MFnIntArrayData intArrayDataFn(attrPlug.asMObject());
VtIntArray usdVal(intArrayDataFn.length());
for (unsigned int i = 0; i < intArrayDataFn.length(); ++i) {
usdVal[i] = intArrayDataFn[i];
}
return usdAttr.Set(usdVal, usdTime);
break;
}
case MFnData::kPointArray: {
MFnPointArrayData pointArrayDataFn(attrPlug.asMObject());
if (translateMayaDoubleToUsdSinglePrecision) {
VtVec3fArray usdVal(pointArrayDataFn.length());
for (unsigned int i = 0; i < pointArrayDataFn.length(); ++i) {
MPoint tmpMayaVal = pointArrayDataFn[i];
if (tmpMayaVal.w != 0) {
tmpMayaVal.cartesianize();
}
usdVal[i] = GfVec3f((float)tmpMayaVal[0],
(float)tmpMayaVal[1],
(float)tmpMayaVal[2]);
}
return usdAttr.Set(usdVal, usdTime);
} else {
VtVec3dArray usdVal(pointArrayDataFn.length());
for (unsigned int i = 0; i < pointArrayDataFn.length(); ++i) {
MPoint tmpMayaVal = pointArrayDataFn[i];
if (tmpMayaVal.w != 0) {
tmpMayaVal.cartesianize();
}
usdVal[i] = GfVec3d(tmpMayaVal[0],
tmpMayaVal[1],
tmpMayaVal[2]);
}
return usdAttr.Set(usdVal, usdTime);
}
break;
}
case MFnData::kVectorArray: {
MFnVectorArrayData vectorArrayDataFn(attrPlug.asMObject());
if (translateMayaDoubleToUsdSinglePrecision) {
VtVec3fArray usdVal(vectorArrayDataFn.length());
for (unsigned int i = 0; i < vectorArrayDataFn.length(); ++i) {
MVector tmpMayaVal = vectorArrayDataFn[i];
usdVal[i] = GfVec3f((float)tmpMayaVal[0],
(float)tmpMayaVal[1],
(float)tmpMayaVal[2]);
}
return usdAttr.Set(usdVal, usdTime);
} else {
VtVec3dArray usdVal(vectorArrayDataFn.length());
for (unsigned int i = 0; i < vectorArrayDataFn.length(); ++i) {
MVector tmpMayaVal = vectorArrayDataFn[i];
usdVal[i] = GfVec3d(tmpMayaVal[0],
tmpMayaVal[1],
tmpMayaVal[2]);
}
return usdAttr.Set(usdVal, usdTime);
}
break;
}
default:
break;
}
switch (numericDataType) {
case MFnNumericData::kBoolean: {
const bool usdVal(attrPlug.asBool());
return usdAttr.Set(usdVal, usdTime);
break;
}
case MFnNumericData::kByte:
case MFnNumericData::kChar: {
const int usdVal(attrPlug.asChar());
return usdAttr.Set(usdVal, usdTime);
break;
}
case MFnNumericData::kShort: {
const int usdVal(attrPlug.asShort());
return usdAttr.Set(usdVal, usdTime);
break;
}
case MFnNumericData::kInt: {
const int usdVal(attrPlug.asInt());
return usdAttr.Set(usdVal, usdTime);
break;
}
case MFnNumericData::k2Short: {
short tmp1, tmp2;
MFnNumericData numericDataFn(attrPlug.asMObject());
numericDataFn.getData(tmp1, tmp2);
return usdAttr.Set(GfVec2i(tmp1, tmp2), usdTime);
break;
}
case MFnNumericData::k2Int: {
int tmp1, tmp2;
MFnNumericData numericDataFn(attrPlug.asMObject());
numericDataFn.getData(tmp1, tmp2);
return usdAttr.Set(GfVec2i(tmp1, tmp2), usdTime);
break;
}
case MFnNumericData::k3Short: {
short tmp1, tmp2, tmp3;
MFnNumericData numericDataFn(attrPlug.asMObject());
numericDataFn.getData(tmp1, tmp2, tmp3);
return usdAttr.Set(GfVec3i(tmp1, tmp2, tmp3), usdTime);
break;
}
case MFnNumericData::k3Int: {
int tmp1, tmp2, tmp3;
MFnNumericData numericDataFn(attrPlug.asMObject());
numericDataFn.getData(tmp1, tmp2, tmp3);
return usdAttr.Set(GfVec3i(tmp1, tmp2, tmp3), usdTime);
break;
}
case MFnNumericData::kFloat: {
const float usdVal(attrPlug.asFloat());
return usdAttr.Set(usdVal, usdTime);
break;
}
case MFnNumericData::k2Float: {
float tmp1, tmp2;
MFnNumericData numericDataFn(attrPlug.asMObject());
numericDataFn.getData(tmp1, tmp2);
return usdAttr.Set(GfVec2f(tmp1, tmp2), usdTime);
break;
}
case MFnNumericData::k3Float: {
float tmp1, tmp2, tmp3;
MFnNumericData numericDataFn(attrPlug.asMObject());
numericDataFn.getData(tmp1, tmp2, tmp3);
return _SetVec(usdAttr, GfVec3f(tmp1, tmp2, tmp3), usdTime);
break;
}
case MFnNumericData::kDouble: {
const double usdVal(attrPlug.asDouble());
if (translateMayaDoubleToUsdSinglePrecision) {
return usdAttr.Set((float)usdVal, usdTime);
} else {
return usdAttr.Set(usdVal, usdTime);
}
break;
}
case MFnNumericData::k2Double: {
double tmp1, tmp2;
MFnNumericData numericDataFn(attrPlug.asMObject());
numericDataFn.getData(tmp1, tmp2);
if (translateMayaDoubleToUsdSinglePrecision) {
return usdAttr.Set(GfVec2f((float)tmp1, (float)tmp2), usdTime);
} else {
return usdAttr.Set(GfVec2d(tmp1, tmp2), usdTime);
}
break;
}
case MFnNumericData::k3Double: {
double tmp1, tmp2, tmp3;
MFnNumericData numericDataFn(attrPlug.asMObject());
numericDataFn.getData(tmp1, tmp2, tmp3);
if (translateMayaDoubleToUsdSinglePrecision) {
return _SetVec(usdAttr,
GfVec3f((float)tmp1,
(float)tmp2,
(float)tmp3),
usdTime);
} else {
return _SetVec(usdAttr, GfVec3d(tmp1, tmp2, tmp3), usdTime);
}
break;
}
case MFnNumericData::k4Double: {
double tmp1, tmp2, tmp3, tmp4;
MFnNumericData numericDataFn(attrPlug.asMObject());
numericDataFn.getData(tmp1, tmp2, tmp3, tmp4);
if (translateMayaDoubleToUsdSinglePrecision) {
return _SetVec(usdAttr,
GfVec4f((float)tmp1,
(float)tmp2,
(float)tmp3,
(float)tmp4),
usdTime);
} else {
return _SetVec(usdAttr,
GfVec4d(tmp1, tmp2, tmp3, tmp4),
usdTime);
}
break;
}
default:
break;
}
switch (unitDataType) {
case MFnUnitAttribute::kAngle:
case MFnUnitAttribute::kDistance:
if (translateMayaDoubleToUsdSinglePrecision) {
const float usdVal(attrPlug.asFloat());
return usdAttr.Set(usdVal, usdTime);
} else {
const double usdVal(attrPlug.asDouble());
return usdAttr.Set(usdVal, usdTime);
}
break;
default:
break;
}
return false;
}
bool
PxrUsdMayaWriteUtil::SetUsdAttr(
const MPlug &plg,
const UsdAttribute& usdAttr,
const UsdTimeCode &usdTime)
{
MStatus status;
if (!usdAttr || plg.isNull() ) {
return false;
}
bool isAnimated = plg.isDestination();
if (usdTime.IsDefault() == isAnimated ) {
return true;
}
// Set UsdAttr
MObject attrObj = plg.attribute();
if (attrObj.hasFn(MFn::kNumericAttribute)) {
MFnNumericAttribute attrNumericFn(attrObj);
switch (attrNumericFn.unitType())
{
case MFnNumericData::kBoolean:
usdAttr.Set(plg.asBool(), usdTime);
break;
case MFnNumericData::kByte:
case MFnNumericData::kChar:
usdAttr.Set((int)plg.asChar(), usdTime);
break;
case MFnNumericData::kShort:
usdAttr.Set(int(plg.asShort()), usdTime);
break;
case MFnNumericData::kInt:
usdAttr.Set(int(plg.asInt()), usdTime);
break;
//case MFnNumericData::kLong:
//case MFnNumericData::kAddr:
// usdAttr.Set(plg.asInt(), usdTime);
// break;
case MFnNumericData::kFloat:
usdAttr.Set(plg.asFloat(), usdTime);
break;
case MFnNumericData::kDouble:
usdAttr.Set(plg.asDouble(), usdTime);
break;
case MFnNumericData::k2Short:
{
short tmp1, tmp2;
MFnNumericData attrNumericDataFn(plg.asMObject());
attrNumericDataFn.getData(tmp1, tmp2);
usdAttr.Set(GfVec2i(tmp1, tmp2), usdTime);
break;
}
case MFnNumericData::k2Int:
{
int tmp1, tmp2;
MFnNumericData attrNumericDataFn(plg.asMObject());
attrNumericDataFn.getData(tmp1, tmp2);
usdAttr.Set(GfVec2i(tmp1, tmp2), usdTime);
break;
}
//case MFnNumericData::k2Long:
case MFnNumericData::k3Short:
{
short tmp1, tmp2, tmp3;
MFnNumericData attrNumericDataFn(plg.asMObject());
attrNumericDataFn.getData(tmp1, tmp2, tmp3);
usdAttr.Set(GfVec3i(tmp1, tmp2, tmp3), usdTime);
break;
}
case MFnNumericData::k3Int:
{
int tmp1, tmp2, tmp3;
MFnNumericData attrNumericDataFn(plg.asMObject());
attrNumericDataFn.getData(tmp1, tmp2, tmp3);
usdAttr.Set(GfVec3i(tmp1, tmp2, tmp3), usdTime);
break;
}
//case MFnNumericData::k3Long:
case MFnNumericData::k2Float:
{
float tmp1, tmp2;
MFnNumericData attrNumericDataFn(plg.asMObject());
attrNumericDataFn.getData(tmp1, tmp2);
usdAttr.Set(GfVec2f(tmp1, tmp2), usdTime);
break;
}
case MFnNumericData::k3Float:
{
float tmp1, tmp2, tmp3;
MFnNumericData attrNumericDataFn(plg.asMObject());
attrNumericDataFn.getData(tmp1, tmp2, tmp3);
_SetVec(usdAttr, GfVec3f(tmp1, tmp2, tmp3), usdTime);
break;
}
case MFnNumericData::k2Double:
{
double tmp1, tmp2;
MFnNumericData attrNumericDataFn(plg.asMObject());
attrNumericDataFn.getData(tmp1, tmp2);
usdAttr.Set(GfVec2d(tmp1, tmp2), usdTime);
break;
}
case MFnNumericData::k3Double:
{
double tmp1, tmp2, tmp3;
MFnNumericData attrNumericDataFn(plg.asMObject());
attrNumericDataFn.getData(tmp1, tmp2, tmp3);
_SetVec(usdAttr, GfVec3d(tmp1, tmp2, tmp3), usdTime);
break;
}
case MFnNumericData::k4Double:
{
double tmp1, tmp2, tmp3, tmp4;
MFnNumericData attrNumericDataFn(plg.asMObject());
attrNumericDataFn.getData(tmp1, tmp2, tmp3, tmp4);
_SetVec(usdAttr, GfVec4d(tmp1, tmp2, tmp3, tmp4), usdTime);
break;
}
default:
return false;
}
}
else if (attrObj.hasFn(MFn::kTypedAttribute)) {
MFnTypedAttribute attrTypedFn(attrObj);
switch (attrTypedFn.attrType())
{
case MFnData::kString:
usdAttr.Set(std::string(plg.asString().asChar()), usdTime);
break;
case MFnData::kMatrix:
{
MFnMatrixData attrMatrixDataFn(plg.asMObject());
MMatrix mat1 = attrMatrixDataFn.matrix();
usdAttr.Set(GfMatrix4d(mat1.matrix), usdTime);
break;
}
case MFnData::kStringArray:
{
MFnStringArrayData attrDataFn(plg.asMObject());
VtArray<std::string> usdVal(attrDataFn.length());
for (unsigned int i=0; i < attrDataFn.length(); i++) {
usdVal[i] = std::string(attrDataFn[i].asChar());
}
usdAttr.Set(usdVal, usdTime);
break;
}
case MFnData::kIntArray:
{
MFnIntArrayData attrDataFn(plg.asMObject());
VtArray<int> usdVal(attrDataFn.length());
for (unsigned int i=0; i < attrDataFn.length(); i++) {
usdVal[i] = attrDataFn[i];
}
usdAttr.Set(usdVal, usdTime);
break;
}
case MFnData::kFloatArray:
{
MFnFloatArrayData attrDataFn(plg.asMObject());
VtArray<float> usdVal(attrDataFn.length());
for (unsigned int i=0; i < attrDataFn.length(); i++) {
usdVal[i] = attrDataFn[i];
}
usdAttr.Set(usdVal, usdTime);
break;
}
case MFnData::kDoubleArray:
{
MFnDoubleArrayData attrDataFn(plg.asMObject());
VtArray<double> usdVal(attrDataFn.length());
for (unsigned int i=0; i < attrDataFn.length(); i++) {
usdVal[i] = attrDataFn[i];
}
usdAttr.Set(usdVal, usdTime);
break;
}
case MFnData::kVectorArray:
{
MFnVectorArrayData attrDataFn(plg.asMObject());
VtArray<GfVec3d> usdVal(attrDataFn.length());
for (unsigned int i=0; i < attrDataFn.length(); i++) {
MVector tmpMayaVal = attrDataFn[i];
usdVal[i] = GfVec3d(tmpMayaVal[0], tmpMayaVal[1], tmpMayaVal[2]);
}
usdAttr.Set(usdVal, usdTime);
break;
}
case MFnData::kPointArray:
{
MFnPointArrayData attrDataFn(plg.asMObject());
VtArray<GfVec4d> usdVal(attrDataFn.length());
for (unsigned int i=0; i < attrDataFn.length(); i++) {
MPoint tmpMayaVal = attrDataFn[i];
usdVal[i] = GfVec4d(tmpMayaVal[0], tmpMayaVal[1], tmpMayaVal[2], tmpMayaVal[3]);
}
usdAttr.Set(usdVal, usdTime);
break;
}
default:
return false;
}
}
else if (attrObj.hasFn(MFn::kUnitAttribute)) {
//MFnUnitAttribute attrUnitFn(attrObj);
return false;
}
else if (attrObj.hasFn(MFn::kEnumAttribute)) {
MFnEnumAttribute attrEnumFn(attrObj);
short enumIndex = plg.asShort();
TfToken enumToken( std::string(attrEnumFn.fieldName(enumIndex, &status).asChar()) );
usdAttr.Set(enumToken, usdTime);
return false;
}
return true;
}
/* virtual */
bool MayaCameraWriter::writeCameraAttrs(const UsdTimeCode &usdTime, UsdGeomCamera &primSchema)
{
// Since write() above will take care of any animation on the camera's
// transform, we only want to proceed here if:
// - We are at the default time and NO attributes on the shape are animated.
// OR
// - We are at a non-default time and some attribute on the shape IS animated.
if (usdTime.IsDefault() == isShapeAnimated()) {
return true;
}
MStatus status;
MFnCamera camFn(getDagPath(), &status);
CHECK_MSTATUS_AND_RETURN(status, false);
// NOTE: We do not use a GfCamera and then call SetFromCamera() below
// because we want the xformOps populated by the parent class to survive.
// Using SetFromCamera() would stomp them with a single "transform" xformOp.
// Set the type of projection.
if (camFn.isOrtho()) {
primSchema.GetProjectionAttr().Set(UsdGeomTokens->orthographic, usdTime);
} else {
primSchema.GetProjectionAttr().Set(UsdGeomTokens->perspective, usdTime);
}
// Setup the aperture.
primSchema.GetHorizontalApertureAttr().Set(
float(PxrUsdMayaUtil::ConvertInchesToMM(
camFn.horizontalFilmAperture() *
camFn.lensSqueezeRatio())),
usdTime);
primSchema.GetVerticalApertureAttr().Set(
float(PxrUsdMayaUtil::ConvertInchesToMM(
camFn.verticalFilmAperture() *
camFn.lensSqueezeRatio())),
usdTime);
primSchema.GetHorizontalApertureOffsetAttr().Set(
float(camFn.horizontalFilmOffset()), usdTime);
primSchema.GetVerticalApertureOffsetAttr().Set(
float(camFn.verticalFilmOffset()), usdTime);
// Set the lens parameters.
primSchema.GetFocalLengthAttr().Set(
float(camFn.focalLength()), usdTime);
// Always export focus distance and fStop regardless of what
// camFn.isDepthOfField() says. Downstream tools can choose to ignore or
// override them.
primSchema.GetFocusDistanceAttr().Set(
float(camFn.focusDistance()), usdTime);
primSchema.GetFStopAttr().Set(
float(camFn.fStop()), usdTime);
// Set the clipping planes.
GfVec2f clippingRange(camFn.nearClippingPlane(), camFn.farClippingPlane());
primSchema.GetClippingRangeAttr().Set(clippingRange, usdTime);
return true;
}
