示例#1
0
    def test_RigCtrl(self):
        from classRigCtrl import RigCtrl
        from omtk.libs import libSerialization
        log.info("test_RigCtrl")
        foo = RigCtrl()
        foo.build()
        pymel.setKeyframe(foo.node)
        foo.unbuild()

        network = libSerialization.export_network(foo)
        pymel.select(network)
        foo.build()
示例#2
0
class Dorito(RigPart):
    def build(self, _bConstraint=True, *args, **kwargs):
        # If there's no input, create it
        if len(self.input) == 0:
            self.input = [pymel.createNode('transform', name='untitled')]
        input = next(iter(self.input))

        super(Dorito, self).build(_bCreateGrpAnm=True, _bCreateGrpRig=True, *args, **kwargs)
        self.ctrl = RigCtrl()
        self.ctrl.build()


        # Hack: Include the rotatePivot in our matrix calculation
        ref_matrix = pymel.datatypes.Matrix(1,0,0,0,0,1,0,0,0,0,1,0, *input.rotatePivot.get()) * input.getMatrix(worldSpace=True)

        self.ctrl.offset.setMatrix(ref_matrix, worldSpace=True)
        self.ctrl.setParent(self.grp_anm)

        # Initialize self.mesh
        self.mesh = None
        # Try to guess the output geometry, if nothing is found, create a fake one.

        is_cluster = any((shape for shape in input.getShapes() if isinstance(shape, pymel.nodetypes.ClusterHandle)))

        if is_cluster:
            cluster = next((hist for hist in input.listHistory(future=True) if isinstance(hist, pymel.nodetypes.Cluster)), None)

            if cluster:
                self.mesh = next(iter(cluster.outputGeometry.outputs()), None)

        if not self.mesh:
            self.mesh = create_plane()
            self.mesh.setParent(self.grp_rig)

        # djRivet is a noble tool that handle things well on it's own, we don't need to re-implement it
        path_djrivet = os.path.join('/', os.path.dirname(omtk.__file__), 'deps', 'djRivet.mel')
        mel.eval('source "{0}"'.format(path_djrivet))
        pymel.select(self.ctrl.offset, self.mesh)
        mel.eval('djRivet')

        # Create the follicle using djRivet
        follicles = _reparent_djRivet_follicles(self.grp_rig)
        for child in self.ctrl.offset.getChildren():
            if isinstance(child, pymel.nodetypes.Constraint):
                pymel.delete(child)
        # Hack: Hide follicle
        follicle = next(iter(follicles))
        follicle.setParent(self.grp_rig)

        # Create an initial pose reference since the follicle won't necessary have the same transform as the reference obj.
        ref = pymel.createNode('transform')
        ref.setMatrix(ref_matrix, worldSpace=True)
        ref.setParent(follicle)

        # Overwrite the self.ctrl.offset node with the magic
        # Compute the follicle minus the inverse of the ctrl
        # Since a matrix is computed scale first, rotate second and translate last, we need to inverse
        # it using translate first and rotation last (we don't care about conter-rigging the scale).

        att_ctrl_pos_inv = libRigging.CreateUtilityNode(
            'multiplyDivide',
            operation=2,
            input1=self.ctrl.node.t,
            input2=[-1,-1,-1]
        ).output

        att_pos_inv = libRigging.CreateUtilityNode(
            'composeMatrix',
            inputTranslate = att_ctrl_pos_inv
        ).outputMatrix

        att_ctrl_rot_inv = libRigging.CreateUtilityNode(
            'multiplyDivide',
            operation=2,
            input1=self.ctrl.node.r,
            input2=[-1,-1,-1]
        ).output

        att_rot_inv = libRigging.CreateUtilityNode(
            'composeMatrix',
            inputRotate = att_ctrl_rot_inv
        ).outputMatrix

        uMatrixSum = libRigging.CreateUtilityNode(
            'multMatrix',
            matrixIn=[
                att_pos_inv,
                att_rot_inv,
                ref.worldMatrix
            ]
        ).matrixSum

        uResult = libRigging.CreateUtilityNode(
            'decomposeMatrix',
            inputMatrix=uMatrixSum,
        )
        pymel.connectAttr(uResult.outputTranslate, self.ctrl.offset.t)
        pymel.connectAttr(uResult.outputRotate, self.ctrl.offset.r)

        # Connect the ctrl local coords to the deformer handle
        pymel.connectAttr(self.ctrl.t, input.t, force=True)
        pymel.connectAttr(self.ctrl.r, input.r, force=True)
        pymel.connectAttr(self.ctrl.s, input.s, force=True)

        pymel.select(self.ctrl)

    def unbuild(self, *args, **kwargs):
        super(Dorito, self).unbuild(*args, **kwargs)

        self.ctrl = None