def detach(extract=False):
"""
Extracts or duplicate selected polygon faces.
"""
selected = mampy.complist()
if not selected:
raise InvalidSelection('Detach only works on edge and polygon components.')
else:
control = selected[0]
if control.type not in [MFn.kMeshPolygonComponent, MFn.kMeshEdgeComponent]:
raise InvalidSelection('Detach only works on edges and polygons.')
new = ComponentList()
for comp in selected:
node = Node(comp.dagpath)
name = '{}_{}'.format(node.transform.short_name, 'ext' if extract else 'dup')
cmds.duplicate(str(comp.dagpath), n=name)
# Delete unwanted children from duplicate hierarchy
dupdag = Node(name)
for child in dupdag.iterchildren():
if child.type == MFn.kTransform:
cmds.delete(str(child))
if extract:
cmds.polyDelFacet(comp.cmdslist())
dupcomp = MeshPolygon.create(dupdag.dagpath).add(comp.indices)
cmds.polyDelFacet(dupcomp.toggle().cmdslist())
cmds.hilite(str(dupdag))
new.append(dupcomp.get_complete())
cmds.select(new.cmdslist(), r=True)
def unbevel():
"""
Unbevel beveled edges.
Select Edges along a bevel you want to unbevel. Make sure the edge is not
connected to another edge from another bevel. This will cause the script
to get confused.
"""
selected = mampy.complist()
for edge in selected:
# cmds.select(edge.cmdslist(), r=True)
merge_list = ComponentList()
for each in edge.get_connected_components():
outer_edges, inner_verts = get_outer_and_inner_edges_from_edge_loop(each)
edge1, edge2 = outer_edges
line1 = Line3D(edge1[0].bbox.center, edge1[1].bbox.center)
line2 = Line3D(edge2[0].bbox.center, edge2[1].bbox.center)
intersection = line1.shortest_line_to_other(line2)
inner_verts.translate(t=intersection.sum() * 0.5, ws=True)
merge_list.append(inner_verts)
# Merge components on object after all operation are done. Mergin
# before will change vert ids and make people sad.
cmds.polyMergeVertex(merge_list.cmdslist(), distance=0.001)
def flood():
"""Get contiguous components from current selection."""
selected = mampy.complist()
if not selected:
raise NothingSelected()
flood = ComponentList()
for comp in selected:
if comp.type == MFn.kMeshMapComponent:
iter_ = comp.map_shells
else:
iter_ = comp.mesh_shells
flood.extend(iter_.itervalues())
cmds.select(flood.cmdslist())
def adjacent():
"""Grow and remove previous selection to get adjacent selection.
.. todo:: make contractable
"""
selected = mampy.complist()
if not selected:
raise NothingSelected()
toggle_components = ComponentList()
for each in selected:
try:
adjacent_selection = {
MFn.kMeshPolygonComponent: each.to_edge().to_face(),
MFn.kMeshEdgeComponent: each.to_vert().to_edge(),
MFn.kMeshVertComponent: each.to_edge().to_vert(),
MFn.kMeshMapComponent: each.to_edge().to_map(),
}[each.type]
toggle_components.append(adjacent_selection)
except KeyError:
raise InvalidSelection('Selection must be mesh component.')
cmds.select(toggle_components.cmdslist(), toggle=True)
def poly_invert(shell=False):
"""
Invert selection.
If shell is active but there are no selections, script assumes we
want a full invert.
.. note:: If current selection mask is *object* and there are no
selections there is no way that I know of to find out the active
component type.
"""
# To find out how we want to operate on the objects we walk through
# the possible outcomes leaving the object list at last.
modes = [mampy.complist(), mampy.daglist(hl=True), mampy.daglist()]
for mode, selected in enumerate(modes):
if not selected:
continue
break
if mode == 2:
if not selected:
cmds.select(mampy.daglist(visible=True, assemblies=True).cmdslist())
else:
cmds.select(selected.cmdslist(), toggle=True)
if mode == 1:
for mask in get_active_flags_in_mask(object=False):
try:
active_mask = {
'facet': MFn.kMeshPolygonComponent,
'edge': MFn.kMeshEdgeComponent,
'vertex': MFn.kMeshVertComponent,
'polymeshUV': MFn.kMeshMapComponent,
}[mask]; break
except KeyError:
continue
for dag in selected:
component = SingleIndexComponent.create(dag.dagpath, active_mask)
cmds.select(component.get_complete().cmdslist(), toggle=True)
if mode == 0:
selection_list = ComponentList()
for comp in selected:
if shell:
for mesh in comp.mesh_shells.itervalues():
selection_list.append(mesh)
else:
selection_list.append(comp.get_complete())
cmds.select(selection_list.cmdslist(), toggle=True)
def merge_faces():
"""Removes edges inside of face selection."""
selected = mampy.complist()
if not selected:
raise NothingSelected()
control_object = next(iter(selected))
if not control_object.type == MFn.kMeshPolygonComponent or not len(control_object) > 1:
raise InvalidSelection("Must have at least two connected faces selected.")
new_faces = ComponentList()
for face in selected:
# We must first collect all necessary elements before we operate on them.
# This is to avoid getting uncertain information due to indices changing
# when performing the delete function.
border_vertices = ComponentList()
internal_edges = ComponentList()
for connected_face in face.get_connected_components():
border_vertices.append(connected_face.to_vert(border=True))
internal_edges.append(connected_face.to_edge(internal=True))
# We only delete once per object to perserve as much information as
# possible.
cmds.polyDelEdge(internal_edges.cmdslist())
# Collect the most shared face on the border vertices to get new faces
# from the delete operation.
for border_vert in border_vertices:
counter = collections.Counter()
for idx in border_vert.indices:
f = border_vert.new().add(idx).to_face()
counter.update(f.indices)
new_faces.append(face.new().add(counter.most_common(1).pop()[0]))
# Select and be happy!
cmds.select(new_faces.cmdslist())