示例#1
0
bool AbcWriteJob::checkInstance(MDagPath dag, MayaTransformWriterPtr iParent)
{
    MFnDagNode fnDagNode(dag.node());
    if (fnDagNode.isInstanced(false))
    {
        MDagPathArray paths;
        fnDagNode.getAllPaths(paths);
        if (!(mCurDag == paths[0]))
        {
            MStringArray pathparts;
            paths[0].fullPathName().split('|', pathparts);
            Alembic::Abc::OObject rootobj = mRoot.getTop();
            Alembic::Abc::OObject tmpobj(rootobj);
            std::string tmpstring;
            unsigned partscount = pathparts.length();
            for (unsigned i(0); i < partscount; i++)
            {
                tmpstring = pathparts[i].asChar();
                tmpobj = tmpobj.getChild(tmpstring);

                // for selections of non-root objects, the first parts of a dag will not be a child of mRoot
                // traverse hierarchy until valid matching child is found, break loop only if each part of dag is invalid
                if (!tmpobj.valid())
                {
                    if (i == (partscount - 1))
                        break;
                    tmpobj = rootobj;
                }
            }
            if (tmpobj.valid())
            {
                iParent->getObject().addChildInstance(tmpobj, fnDagNode.name().asChar());
                return true;
            }
        }
    }
    return false;
}
void AbcWriteJob::setup(double iFrame, MayaTransformWriterPtr iParent, GetMembersMap& gmMap)
{
    MStatus status;

    // short-circuit if selection flag is on but this node isn't actively
    // selected
    if (mArgs.useSelectionList && !mSList.hasItem(mCurDag))
        return;

    MObject ob = mCurDag.node();

    // skip all intermediate nodes (and their children)
    if (util::isIntermediate(ob))
    {
        return;
    }

    // skip nodes that aren't renderable (and their children)
    if (mArgs.excludeInvisible && !util::isRenderable(ob))
    {
        return;
    }

    // look for riCurves flag for flattening all curve objects to a curve group
    MFnDependencyNode fnDepNode(ob, &status);
    MPlug riCurvesPlug = fnDepNode.findPlug("riCurves", &status);
    bool riCurvesVal = riCurvesPlug.asBool();
    bool writeOutAsGroup = false;
    if (riCurvesVal)
    {
        writeOutAsGroup = checkCurveGrp();
        if (writeOutAsGroup == false)
        {
            MString msg = "Curves have different degrees or close ";
            msg += "states, not writing out as curve group";
            MGlobal::displayWarning(msg);
        }
    }
    if ( status == MS::kSuccess && riCurvesVal && writeOutAsGroup)
    {
        MayaNurbsCurveWriterPtr nurbsCurve;
        if (iParent == NULL)
        {
            Alembic::Abc::OObject obj = mRoot.getTop();
            nurbsCurve = MayaNurbsCurveWriterPtr(new MayaNurbsCurveWriter(
                mCurDag, obj, mShapeTimeIndex, true, mArgs));
        }
        else
        {
            Alembic::Abc::OObject obj = iParent->getObject();
            nurbsCurve = MayaNurbsCurveWriterPtr(new MayaNurbsCurveWriter(
                mCurDag, obj, mShapeTimeIndex, true, mArgs));
        }

        if (nurbsCurve->isAnimated() && mShapeTimeIndex != 0)
        {
            mCurveList.push_back(nurbsCurve);
            mStats.mCurveAnimNum++;
            mStats.mCurveAnimCurves += nurbsCurve->getNumCurves();
            mStats.mCurveAnimCVs += nurbsCurve->getNumCVs();
        }
        else
        {
            mStats.mCurveStaticNum++;
            mStats.mCurveStaticCurves += nurbsCurve->getNumCurves();
            mStats.mCurveStaticCVs += nurbsCurve->getNumCVs();
        }

        AttributesWriterPtr attrs = nurbsCurve->getAttrs();
        if (mShapeTimeIndex != 0 && attrs->isAnimated())
            mShapeAttrList.push_back(attrs);
    }
    else if (ob.hasFn(MFn::kTransform))
    {
        MFnTransform fnTrans(ob, &status);
        if (status != MS::kSuccess)
        {
            MString msg = "Initialize transform node ";
            msg += mCurDag.fullPathName();
            msg += " failed, skipping.";
            MGlobal::displayWarning(msg);
            return;
        }

        MayaTransformWriterPtr trans;

        // parented to the root case
        if (iParent == NULL)
        {
            Alembic::Abc::OObject obj = mRoot.getTop();
            trans = MayaTransformWriterPtr(new MayaTransformWriter(
                obj, mCurDag, mTransTimeIndex, mArgs));
        }
        else
        {
            trans = MayaTransformWriterPtr(new MayaTransformWriter(
                *iParent, mCurDag, mTransTimeIndex, mArgs));
        }

        if (trans->isAnimated() && mTransTimeIndex != 0)
        {
            mTransList.push_back(trans);
            mStats.mTransAnimNum++;
        }
        else
            mStats.mTransStaticNum++;

        AttributesWriterPtr attrs = trans->getAttrs();
        if (mTransTimeIndex != 0 && attrs->isAnimated())
            mTransAttrList.push_back(attrs);

        // loop through the children, making sure to push and pop them
        // from the MDagPath
        unsigned int numChild = mCurDag.childCount();
        for (unsigned int i = 0; i < numChild; ++i)
        {
            if (mCurDag.push(mCurDag.child(i)) == MS::kSuccess)
            {
                setup(iFrame, trans, gmMap);
                mCurDag.pop();
            }
        }
    }
    else if (ob.hasFn(MFn::kLocator))
    {
        MFnDependencyNode fnLocator(ob, & status);
        if (status != MS::kSuccess)
        {
            MString msg = "Initialize locator node ";
            msg += mCurDag.fullPathName();
            msg += " failed, skipping.";
            MGlobal::displayWarning(msg);
            return;
        }

        if (iParent != NULL)
        {
            Alembic::Abc::OObject obj = iParent->getObject();
            MayaLocatorWriterPtr locator(new MayaLocatorWriter(
                mCurDag, obj, mShapeTimeIndex, mArgs));

            if (locator->isAnimated() && mShapeTimeIndex != 0)
            {
                mLocatorList.push_back(locator);
                mStats.mLocatorAnimNum++;
            }
            else
            {
                mStats.mLocatorStaticNum++;
            }

            AttributesWriterPtr attrs = locator->getAttrs();
            if (mShapeTimeIndex != 0 && attrs->isAnimated())
                mShapeAttrList.push_back(attrs);
        }
        else
        {
            MString err = "Can't translate ";
            err += fnLocator.name() + " since it doesn't have a parent.";
            MGlobal::displayError(err);
        }
    }
    else if (ob.hasFn(MFn::kParticle))
    {
        MFnParticleSystem mFnParticle(ob, &status);
        if (status != MS::kSuccess)
        {
            MString msg = "Initialize particle system ";
            msg += mCurDag.fullPathName();
            msg += " failed, skipping.";
            MGlobal::displayWarning(msg);
            return;
        }

        if (iParent != NULL)
        {
            Alembic::Abc::OObject obj = iParent->getObject();
            MayaPointPrimitiveWriterPtr particle(new MayaPointPrimitiveWriter(
                iFrame, mCurDag, obj, mShapeTimeIndex, mArgs));

            if (particle->isAnimated() && mShapeTimeIndex != 0)
            {
                mPointList.push_back(particle);
                mStats.mPointAnimNum++;
                mStats.mPointAnimCVs += particle->getNumCVs();
            }
            else
            {
                mStats.mPointStaticNum++;
                mStats.mPointStaticCVs += particle->getNumCVs();
            }

            AttributesWriterPtr attrs = particle->getAttrs();
            if (mShapeTimeIndex != 0 && attrs->isAnimated())
                mShapeAttrList.push_back(attrs);
        }
        else
        {
            MString err = "Can't translate ";
            err += mFnParticle.name() + " since it doesn't have a parent.";
            MGlobal::displayError(err);
        }
    }
    else if (ob.hasFn(MFn::kMesh))
    {
        MFnMesh fnMesh(ob, &status);
        if (status != MS::kSuccess)
        {
            MString msg = "Initialize mesh node ";
            msg += mCurDag.fullPathName();
            msg += " failed, skipping.";
            MGlobal::displayWarning(msg);
            return;
        }

        if (iParent != NULL)
        {
            Alembic::Abc::OObject obj = iParent->getObject();
            MayaMeshWriterPtr mesh(new MayaMeshWriter(mCurDag, obj,
                mShapeTimeIndex, mArgs, gmMap));

            if (mesh->isAnimated() && mShapeTimeIndex != 0)
            {
                mMeshList.push_back(mesh);
                if (mesh->isSubD())
                {
                    mStats.mSubDAnimNum++;
                    mStats.mSubDAnimCVs += mesh->getNumCVs();
                    mStats.mSubDAnimFaces += mesh->getNumFaces();
                }
                else
                {
                    mStats.mPolyAnimNum++;
                    mStats.mPolyAnimCVs += mesh->getNumCVs();
                    mStats.mPolyAnimFaces += mesh->getNumFaces();
                }
            }
            else
            {
                if (mesh->isSubD())
                {
                    mStats.mSubDStaticNum++;
                    mStats.mSubDStaticCVs += mesh->getNumCVs();
                    mStats.mSubDStaticFaces += mesh->getNumFaces();
                }
                else
                {
                    mStats.mPolyStaticNum++;
                    mStats.mPolyStaticCVs += mesh->getNumCVs();
                    mStats.mPolyStaticFaces += mesh->getNumFaces();
                }
            }

            AttributesWriterPtr attrs = mesh->getAttrs();
            if (mShapeTimeIndex != 0 && attrs->isAnimated())
                mShapeAttrList.push_back(attrs);
        }
        else
        {
            MString err = "Can't translate ";
            err += fnMesh.name() + " since it doesn't have a parent.";
            MGlobal::displayError(err);
        }
    }
    else if (ob.hasFn(MFn::kCamera))
    {
        MFnCamera fnCamera(ob, &status);
        if (status != MS::kSuccess)
        {
            MString msg = "Initialize camera node ";
            msg += mCurDag.fullPathName();
            msg += " failed, skipping.";
            MGlobal::displayWarning(msg);
            return;
        }

        if (iParent != NULL)
        {
            Alembic::Abc::OObject obj = iParent->getObject();
            MayaCameraWriterPtr camera(new MayaCameraWriter(
                mCurDag, obj, mShapeTimeIndex, mArgs));

            if (camera->isAnimated() && mShapeTimeIndex != 0)
            {
                mCameraList.push_back(camera);
                mStats.mCameraAnimNum++;
            }
            else
                mStats.mCameraStaticNum++;

            AttributesWriterPtr attrs = camera->getAttrs();
            if (mShapeTimeIndex != 0 && attrs->isAnimated())
                mShapeAttrList.push_back(attrs);
        }
        else
        {
            MString err = "Can't translate ";
            err += fnCamera.name() + " since it doesn't have a parent.";
            MGlobal::displayError(err);
        }
    }
    else if (ob.hasFn(MFn::kNurbsSurface))
    {
        MFnNurbsSurface fnNurbsSurface(ob, &status);
        if (status != MS::kSuccess)
        {
            MString msg = "Initialize nurbs surface ";
            msg += mCurDag.fullPathName();
            msg += " failed, skipping.";
            MGlobal::displayWarning(msg);
            return;
        }

        if (iParent != NULL)
        {
            Alembic::Abc::OObject obj = iParent->getObject();
            MayaNurbsSurfaceWriterPtr nurbsSurface(new MayaNurbsSurfaceWriter(
                mCurDag, obj,  mShapeTimeIndex, mArgs));

            if (nurbsSurface->isAnimated() && mShapeTimeIndex != 0)
            {
                mNurbsList.push_back(nurbsSurface);
                mStats.mNurbsAnimNum++;
                mStats.mNurbsAnimCVs += nurbsSurface->getNumCVs();
            }
            else
            {
                mStats.mNurbsStaticNum++;
                mStats.mNurbsStaticCVs += nurbsSurface->getNumCVs();
            }

            AttributesWriterPtr attrs = nurbsSurface->getAttrs();
            if (mShapeTimeIndex != 0 && attrs->isAnimated())
                mShapeAttrList.push_back(attrs);
        }
        else
        {
            MString err = "Can't translate ";
            err += fnNurbsSurface.name() + " since it doesn't have a parent.";
            MGlobal::displayError(err);
        }
    }
    else if (ob.hasFn(MFn::kNurbsCurve))
    {
        MFnNurbsCurve fnNurbsCurve(ob, &status);
        if (status != MS::kSuccess)
        {
            MString msg = "Initialize curve node ";
            msg += mCurDag.fullPathName();
            msg += " failed, skipping.";
            MGlobal::displayWarning(msg);
            return;
        }

        if (iParent != NULL)
        {
            Alembic::Abc::OObject obj = iParent->getObject();
            MayaNurbsCurveWriterPtr nurbsCurve(new MayaNurbsCurveWriter(
                mCurDag, obj, mShapeTimeIndex, false, mArgs));

            if (nurbsCurve->isAnimated() && mShapeTimeIndex != 0)
            {
                mCurveList.push_back(nurbsCurve);
                mStats.mCurveAnimNum++;
                mStats.mCurveAnimCurves++;
                mStats.mCurveAnimCVs += nurbsCurve->getNumCVs();
            }
            else
            {
                mStats.mCurveStaticNum++;
                mStats.mCurveStaticCurves++;
                mStats.mCurveStaticCVs += nurbsCurve->getNumCVs();
            }

            AttributesWriterPtr attrs = nurbsCurve->getAttrs();
            if (mShapeTimeIndex != 0 && attrs->isAnimated())
                mShapeAttrList.push_back(attrs);
        }
        else
        {
            MString err = "Can't translate ";
            err += fnNurbsCurve.name() + " since it doesn't have a parent.";
            MGlobal::displayError(err);
        }
    }
    else
    {
        MString warn = mCurDag.fullPathName() + " is an unsupported type of ";
        warn += ob.apiTypeStr();
        MGlobal::displayWarning(warn);
    }
}