C++ MDagModifier::reparentNode方法代码示例

//-----------------------------------------------------------------------------
// Creates a vstAttachment Locator
//-----------------------------------------------------------------------------
MStatus CVstAttachmentCmd::DoCreate()
{
	MDagModifier *mDagModifier( new MDagModifier );

	if ( !mDagModifier )
	{
		merr << "Can't create new MDagModifier" << std::endl;
		return MS::kFailure;
	}

	MString optName( "vstAttachment" );
	if ( m_mArgDatabase->isFlagSet( kOptName ) )
	{
		m_mArgDatabase->getFlagArgument( kOptName, 0, optName );
	}

	// Create the helper bone locator's transform
	MObject xObj = mDagModifier->createNode( "transform" );
	mDagModifier->doIt();

	if ( xObj.isNull() )
	{
		merr << "Can't create new transform node" << std::endl;
		return MS::kFailure;
	}

	// name the shape & the transform the same thing
	mDagModifier->renameNode( xObj, optName );
	mDagModifier->doIt();

	MObject vstAttachmentObj = mDagModifier->createNode( "vstAttachment", xObj );

	if ( vstAttachmentObj.isNull() )
	{
		merr << "Can't create new vstAttachment node" << std::endl;
		mDagModifier->undoIt();
		return MS::kFailure;
	}

	// name the shape & the transform the same thing
	mDagModifier->renameNode( vstAttachmentObj, MFnDependencyNode( xObj ).name() );
	mDagModifier->doIt();

	m_undoable = true;
	m_mDagModifier = mDagModifier;

	if ( m_mArgDatabase->isFlagSet( kOptParent ) )
	{
		MSelectionList mSelectionList;
		m_mArgDatabase->getObjects( mSelectionList );
		for ( MItSelectionList sIt( mSelectionList, MFn::kDagNode ); !sIt.isDone(); sIt.next() )
		{
			MDagPath mDagPath;
			if ( sIt.getDagPath( mDagPath ) )
			{
				m_mDagModifier->reparentNode( xObj, mDagPath.node() );
				m_mDagModifier->doIt();
				break;
			}
		}
	}

	// Save the current selection just in case we want to undo stuff
	MGlobal::getActiveSelectionList( m_mSelectionList );

	MDagPath xDagPath;
	MDagPath::getAPathTo( xObj, xDagPath );
	MGlobal::select( xDagPath, MObject::kNullObj, MGlobal::kReplaceList );
	setResult( xDagPath.partialPathName() );

	return MS::kSuccess;
}

//.........这里部分代码省略.........
        {
            fnCamera.setFilmFit(MFnCamera::kOverscanFilmFit);
        }
    }

    if (schema.isConstant())
    {

        // no center of interest
        fnCamera.setFocalLength(samp.getFocalLength());
        fnCamera.setLensSqueezeRatio(samp.getLensSqueezeRatio());
        // camera scale might be in the 3x3

        // weirdo attrs that are in inches
        fnCamera.setHorizontalFilmAperture(samp.getHorizontalAperture()/2.54);
        fnCamera.setVerticalFilmAperture(samp.getVerticalAperture()/2.54);
        fnCamera.setHorizontalFilmOffset(samp.getHorizontalFilmOffset()/2.54);
        fnCamera.setVerticalFilmOffset(samp.getVerticalFilmOffset()/2.54);

        // film fit offset might be in the 3x3

        if (samp.getOverScanLeft() == samp.getOverScanRight() &&
            samp.getOverScanTop() == samp.getOverScanBottom() &&
            samp.getOverScanLeft() == samp.getOverScanTop())
        {
            fnCamera.setOverscan(samp.getOverScanLeft() + 1.0);
        }
        else
        {
            MString warn = iNode.getName().c_str();
            warn += " has unsupported overscan values.";
            MGlobal::displayWarning(warn);
        }

        fnCamera.setNearClippingPlane(samp.getNearClippingPlane());
        fnCamera.setFarClippingPlane(samp.getFarClippingPlane());

        // prescale, film translate H, V, roll pivot H,V, film roll value
        // post scale might be in the 3x3

        fnCamera.setFStop(samp.getFStop());
        fnCamera.setFocusDistance(samp.getFocusDistance());

        MTime sec(1.0, MTime::kSeconds);
        fnCamera.setShutterAngle(Alembic::AbcGeom::DegreesToRadians(
            360.0 * (samp.getShutterClose()-samp.getShutterOpen()) *
            sec.as(MTime::uiUnit()) ));

        for (std::size_t i = 0; i < numOps; ++i)
        {
            Alembic::AbcGeom::FilmBackXformOp & op = samp[i];
            if (op.getHint() == "filmFitOffs")
            {
                double val = op.getChannelValue(0) *
                    samp.getHorizontalAperture() / 5.08;

                if (val != 0.0)
                {
                    fnCamera.setFilmFitOffset(val);
                }
                else
                {
                    fnCamera.setFilmFitOffset(op.getChannelValue(1) *
                        samp.getHorizontalAperture() / 5.08);
                }
            }
            else if (op.getHint() == "preScale")
            {
                fnCamera.setPreScale(1.0/op.getChannelValue(0));
            }
            else if (op.getHint() == "filmTranslate")
            {
                fnCamera.setFilmTranslateH(op.getChannelValue(0));
                fnCamera.setFilmTranslateV(op.getChannelValue(1));
            }
            else if (op.getHint() == "postScale")
            {
                fnCamera.setPostScale(1.0/op.getChannelValue(0));
            }
            else if (op.getHint() == "cameraScale")
            {
                fnCamera.setCameraScale(op.getChannelValue(0));
            }
        }
    }

    // extra transform node is unfortuneatly automatically created above the
    // camera, let's do some reparenting and delete that extra transform
    MDagPath path;
    fnCamera.getPath(path);
    MObject camObj = path.node();

    MDagModifier dagMod;
    dagMod.reparentNode(camObj, iParent);
    dagMod.doIt();
    dagMod.deleteNode(obj);
    dagMod.doIt();

    return camObj;
}