def validate(self):
"""
Check the source and target, their plugs and the weights to see if
they are compatible with each other. If they are the state will be
returned as true, if not the state is false and and error message
will be added.
:return: Validation state
:rtype: tuple
"""
# validate input
if not self.source:
return False, "Source doesn't exist!"
elif not self.target:
return False, "Target doesn't exist!"
# get source weights
sourceWeights = self.weightsToList(cmds.getAttr(self.source))
if not len(sourceWeights):
return False, "Source contains no painted weights!"
# validate vertex count
sourceMesh = cmds.zQuery(self.source, mesh=True)[0]
targetMesh = cmds.zQuery(self.target, mesh=True)[0]
sourceCount = cmds.polyEvaluate(sourceMesh, vertex=True)
targetCount = cmds.polyEvaluate(targetMesh, vertex=True)
if sourceCount != targetCount:
return False, "Source and Target vertex count are not the same!"
return True, ""
def __init__(self, parent, node):
super(ZivaAttachmentNodeItem, self).__init__(parent, node)
self.setExpanded(False)
source = cmds.zQuery(node, attachmentSource=True)[0]
target = cmds.zQuery(node, attachmentTarget=True)[0]
ZivaNodeItem(self, source, "source")
ZivaNodeItem(self, target, "target")
actions.PaintItem(self, node, "weights")
def extendWeightsWithDefaultValues(self, weights, reverse):
"""
:param list/tuple weights:
:param bool reverse:
:return: Extended weights
:rtype: list
"""
# get mesh data
mesh = cmds.zQuery(self.source, mesh=True)[0]
vertices = cmds.polyEvaluate(mesh, vertex=True)
# if the weight list is already as long as the amount of vertices
# there is no to extend the list
if len(weights) == vertices:
return weights
# create default weights list
defaultWeights = [1 if not reverse else 0] * vertices
# get set indices
plugs = cmds.listAttr(self.source, multi=True)
indices = [int(plug.split("[")[-1][:-1]) for plug in plugs]
# update default weights with weights list
for i, weight in zip(indices, weights):
defaultWeights[i] = weight
return defaultWeights
def __init__(self, parent, solver):
super(TissuesItem, self).__init__(parent, text="tissues")
self.setExpanded(True)
# variable
data = {}
# get tissues
meshes = cmds.zQuery(solver, mesh=True, type="zTissue") or []
meshes.sort()
# filter tissues
for m in meshes:
p = cmds.listRelatives(m, parent=True)
p = p[0] if p else "None"
if p not in data.keys():
data[p] = []
data[p].append(m)
# add tissues
for container, meshes in data.iteritems():
# add parent
parent = MeshTissueItem(self, container, meshes)
parent.setExpanded(True)
def createLineOfAction():
"""
Loop the current selection and see if a zFiber is connected to the
object. If this is the case the zLineOfActionUtil function is used
to create a curve based on the fiber direction. This curve is then
renamed to reflect the name of the selection and the color is changed
to red.
:return: Created line of actions
:rtype: list
"""
curves = []
selection = cmds.ls(sl=True) or []
for sel in selection:
if not cmds.zQuery(sel, type="zFiber"):
continue
# create curve
curveShape, fiber = cmds.zLineOfActionUtil(sel)
# color curve
cmds.setAttr("{0}.overrideEnabled".format(curveShape), 1)
cmds.setAttr("{0}.overrideColor".format(curveShape), 13)
# rename curve
curve = cmds.listRelatives(curveShape, p=True)[0]
curve = cmds.rename(curve, "{}_crv".format(path.getNiceName(sel)))
curves.append(curve)
return curves
def __init__(self, parent, node):
super(MeshItem, self).__init__(parent)
# variable
self._search = node.lower()
# add widgets
widget = widgets.Node(self.treeWidget(), node)
self.addWidget(widget)
self.setIcon(0, QtGui.QIcon(icons.MESH_ICON))
# add types
for t in NODE_TYPES:
# validate node type
w = NODE_TYPES_WRAPPER.get(t)
if not w:
continue
# get nodes
try:
connections = cmds.zQuery(node, type=t) or []
connections.sort()
except:
continue
# validate connections
if not connections:
continue
# create node type container
nodeTypes.ZivaNodeTypeItem(self, t, connections)
# add line of actions
# get fibers
fibers = cmds.zQuery(node, type="zFiber")
if not fibers:
return
# get attached line of actions
lineOfActions = cmds.zQuery(fibers, lineOfAction=True)
if not lineOfActions:
return
# add line of actions
nodeTypes.ZivaNodeTypeItem(self, "zLineOfAction", lineOfActions)
def findGeometryByProximity(geo, r=0.25):
"""
Find geometry by proximity of provided geometry using a distance
attribute. The solver that is attached the the provided geometry
is found, from that solver all other geometry attached the the solver
are checked if they are within proximity of the provided geometry.
To speed up the checks first a check based on bounding box is done
before using the zFindVerticesByProximity function to get the proximity
on a vertex level.
:param int/float r:
:raise RuntimeError: If no solver is attached to the geometry
"""
# variable
geometryInProximity = [geo]
# get solver of first selected object
solver = cmds.zQuery(geo, type="zSolver") or []
# validate solver
if not solver:
raise RuntimeError(
"Select geometry that is attached to a Ziva solver!")
# get attached meshes
meshes = cmds.zQuery(solver, mesh=True)
meshes.remove(geo)
# loop meshes
for mesh in meshes:
# get overlapping bounding boxes
if not intersect.intersectBoundingBox(geo, mesh, r):
continue
# get vertices by proximity
if not cmds.zFindVerticesByProximity(geo, mesh, r=r):
continue
# add mesh to proximity meshes
geometryInProximity.append(mesh)
return geometryInProximity
def paint(self):
"""
Select the associated mesh and initialize the paint tools.
"""
# select mesh
mesh = cmds.zQuery(self.node, mesh=True)[0]
cmds.select(mesh)
# set tool
cmd = 'artSetToolAndSelectAttr("artAttrCtx", "{}")'.format(self.attr)
mel.eval(cmd)
def update(self):
# clear
self.clear()
# get node from widget
node = self._widget.node
# add types
for t in NODE_TYPES:
# validate node type
w = NODE_TYPES_WRAPPER.get(t)
if not w:
continue
# get nodes
try:
connections = cmds.zQuery(node, type=t) or []
connections.sort()
except:
continue
# validate connections
if not connections:
continue
# create node type container
nodeTypes.ZivaNodeTypeItem(self, t, connections)
# add line of actions
# get fibers
fibers = cmds.zQuery(node, type="zFiber")
if not fibers:
return
# get attached line of actions
lineOfActions = cmds.zQuery(fibers, lineOfAction=True)
if not lineOfActions:
return
# add line of actions
nodeTypes.ZivaNodeTypeItem(self, "zLineOfAction", lineOfActions)
def __init__(self, parent, solver):
super(BonesItem, self).__init__(parent, text="bones")
self.setExpanded(False)
# get bones
meshes = cmds.zQuery(solver, mesh=True, type="zBone") or []
meshes.sort()
# add bones
for m in meshes:
item = mesh.MeshItem(self, m)
item.setExpanded(True)
def setEnabledTissues(self, state):
"""
Loop all children of the container and set the zTissue node that is
attached to the child nodes to the provided state. This function makes
it easier to enable/disable large groups of tissues.
:param bool state:
"""
with contexts.UndoChunk():
state = True if state == 2 else False
num = self.childCount()
for i in range(num):
m = self.child(i)
tissue = cmds.zQuery(m.widget.node, type="zTissue")[0]
cmds.setAttr("{}.enable".format(tissue), state)
def __init__(self, parent, container, meshes):
super(MeshTissueItem, self).__init__(parent, container)
# variables
states = []
# loop meshes
for m in meshes:
# add mesh
item = mesh.MeshItem(self, m)
item.setExpanded(True)
# get tissue enabled state
tissue = cmds.zQuery(m, type="zTissue")[0]
states.append(cmds.getAttr("{}.enable".format(tissue)))
# set checked default state
self.widget.setChecked(all(states))
self.widget.stateChanged.connect(self.setEnabledTissues)
def createLineOfAction(transforms):
"""
Loop the provided transforms list see if a zFiber is connected to the
object. If this is the case the zLineOfActionUtil function is used
to create a curve based on the fiber direction. This curve is then
renamed to reflect the name of the selection and the color is changed
to red.
:return: Created line of actions
:rtype: list
"""
curves = []
for transform in transforms:
# get name
name = path.getNiceName(transform)
name = "{}_crv".format(name)
if cmds.objExists(name):
continue
if not cmds.zQuery(transform, type="zFiber"):
continue
# create curve
curveShape, fiber = cmds.zLineOfActionUtil(transform)
# color curve
cmds.setAttr("{0}.overrideEnabled".format(curveShape), 1)
cmds.setAttr("{0}.overrideColor".format(curveShape), 13)
# rename curve
curve = cmds.listRelatives(curveShape, p=True)[0]
curve = cmds.rename(curve, name)
curves.append(curve)
return curves