class DuplicateLayersTest(AdditionalAsserts, unittest.TestCase):
def setUp(self):
unittest.TestCase.setUp(self)
self.mll = MllInterface()
self.setup = DuplicateLayers()
self.setup.setMllInterface(self.mll)
testUtils.openMayaFile("influence transfer.mb")
self.mll.setCurrentMesh('sourceMesh')
self.mll.initLayers()
def testLayerName(self):
self.assertEquals("layer1 copy",self.setup.createLayerName("layer1"))
self.assertEquals("layer1 copy(2)",self.setup.createLayerName("layer1 copy"))
self.assertEquals("layer1 copy(1000001)",self.setup.createLayerName("layer1 copy(1000000)"))
@insideMayaOnly
def testDuplicateOneLayer(self):
id = self.mll.createLayer("layer1 copy")
self.setup.addLayer(id)
self.setup.execute()
newId = self.setup.duplicateIds[0]
self.assertEqual(self.mll.getLayerName(newId),'layer1 copy(2)')
self.assertEqual(self.mll.isLayerEnabled(newId),True)
self.assertAlmostEqual(self.mll.getLayerOpacity(newId),1.0)
self.assertFloatArraysEqual(self.mll.getLayerMask(newId), [])
self.assertFloatArraysEqual(self.mll.getInfluenceWeights(id, 1), self.mll.getInfluenceWeights(newId, 1))
@insideMayaOnly
def testLayerOrder(self):
id1 = self.mll.createLayer("layer1")
id2 = self.mll.createLayer("layer2")
def layerNames():
return [a[1] for a in self.mll.listLayers()]
self.assertArraysEqual(layerNames(), ["layer2","layer1"])
self.setup.addLayer(id1)
self.setup.addLayer(id2)
self.setup.execute()
# order respects "newer layers on top"
self.assertArraysEqual(layerNames(), ["layer2 copy","layer1 copy","layer2","layer1"])
# individual indexes in copy array respect indexes in the original array
self.assertEquals(self.mll.getLayerName(self.setup.duplicateIds[0]),"layer1 copy")
self.assertEquals(self.mll.getLayerName(self.setup.duplicateIds[1]),"layer2 copy")
def testAddInfluence(self):
self.importer.setSourceFromMesh("sourceMesh")
self.importer.setDestinationFromMesh("destinationMesh")
self.importer.addInfluence("joint3")
influences = self.importer.listInfluencesDiff()
self.assertArraysEqual(influences, ["|joint1"])
skinCluster = SkinClusterFn()
skinCluster.setSkinCluster(self.importer.destinationSkinCluster)
influenceLogicalIndex = skinCluster.getLogicalInfluenceIndex("joint3")
mll = MllInterface()
mll.setCurrentMesh("destinationMesh")
mll.initLayers()
layerId = mll.createLayer("test")
weights = mll.getInfluenceWeights(layerId, influenceLogicalIndex)
print weights
self.assertFloatArraysEqual(weights, [0.0]*25)
class LayerData(object):
'''
Intermediate data object between ngSkinTools core and importers/exporters,
representing all layers info in one skin cluster.
.. py:attribute:: layers
a list of :py:class:`Layer` objects.
.. py:attribute:: influences
a list of :py:class:`InfluenceInfo` objects. Provides information about influences
that were found on exported skin data, and used for influence matching when importing.
'''
def __init__(self):
self.layers = []
self.mll = MllInterface()
self.meshInfo = MeshInfo()
self.influences = []
# a map [sourceInfluenceName] -> [destinationInfluenceName]
self.mirrorInfluenceAssociationOverrides = None
self.skinClusterFn = None
def addMirrorInfluenceAssociationOverride(self,
sourceInfluence,
destinationInfluence=None,
selfReference=False,
bidirectional=True):
'''
Adds mirror influence association override, similar to UI of "Add influences association".
Self reference creates a source<->source association, bidirectional means that destination->source
link is added as well
'''
if self.mirrorInfluenceAssociationOverrides is None:
self.mirrorInfluenceAssociationOverrides = {}
if selfReference:
self.mirrorInfluenceAssociationOverrides[
sourceInfluence] = sourceInfluence
return
if destinationInfluence is None:
raise MessageException("destination influence must be specified")
self.mirrorInfluenceAssociationOverrides[
sourceInfluence] = destinationInfluence
if bidirectional:
self.mirrorInfluenceAssociationOverrides[
destinationInfluence] = sourceInfluence
def addLayer(self, layer):
'''
register new layer into this data object
:param Layer layer: layer object to add.
'''
assert isinstance(layer, Layer)
self.layers.append(layer)
@staticmethod
def getFullNodePath(nodeName):
result = cmds.ls(nodeName, l=True)
if result is None or len(result) == 0:
raise MessageException("node %s was not found" % nodeName)
return result[0]
def loadInfluenceInfo(self):
self.influences = self.mll.listInfluenceInfo()
def loadFrom(self, mesh):
'''
loads data from actual skin cluster and prepares it for exporting.
supply skin cluster or skinned mesh as an argument
'''
self.mll.setCurrentMesh(mesh)
meshExporter = MeshDataExporter()
self.meshInfo = MeshInfo()
if mesh != MllInterface.TARGET_REFERENCE_MESH:
mesh, skinCluster = self.mll.getTargetInfo()
meshExporter.setTransformMatrixFromNode(mesh)
meshExporter.useSkinClusterInputMesh(skinCluster)
self.meshInfo.verts, self.meshInfo.triangles = meshExporter.export(
)
else:
self.meshInfo.verts = self.mll.getReferenceMeshVerts()
self.meshInfo.triangles = self.mll.getReferenceMeshTriangles()
self.loadInfluenceInfo()
# map LayerId->layerIndex
layerIndexById = {}
for index, (layerID, layerName,
parentId) in enumerate(self.mll.listLayers()):
layerIndexById[layerID] = index
self.mirrorInfluenceAssociationOverrides = self.mll.getManualMirrorInfluences(
)
if len(self.mirrorInfluenceAssociationOverrides) == 0:
self.mirrorInfluenceAssociationOverrides = None
layer = Layer()
layer.name = layerName
self.addLayer(layer)
layer.opacity = self.mll.getLayerOpacity(layerID)
layer.enabled = self.mll.isLayerEnabled(layerID)
layer.mask = self.mll.getLayerMask(layerID)
layer.dqWeights = self.mll.getDualQuaternionWeights(layerID)
# transform parent ID to local index in the model
if parentId is not None:
layer.parent = layerIndexById[parentId]
for inflName, logicalIndex in self.mll.listLayerInfluences(
layerID, activeInfluences=True):
if inflName == '':
inflName = None
influence = Influence()
if inflName is not None:
influence.influenceName = self.getFullNodePath(inflName)
influence.logicalIndex = logicalIndex
layer.addInfluence(influence)
influence.weights = self.mll.getInfluenceWeights(
layerID, logicalIndex)
def __validate(self):
numVerts = self.mll.getVertCount()
def validateVertCount(count, message):
if count != numVerts:
raise Exception(message)
for layer in self.layers:
if layer.mask is not None and len(layer.mask) != 0:
validateVertCount(
len(layer.mask),
"Invalid vertex count for mask in layer '%s': expected size is %d"
% (layer.name, numVerts))
for influence in layer.influences:
validateVertCount(
len(influence.weights),
"Invalid weights count for influence '%s' in layer '%s': expected size is %d"
% (influence.influenceName, layer.name, numVerts))
if self.skinClusterFn:
influence.logicalIndex = self.skinClusterFn.getLogicalInfluenceIndex(
influence.influenceName)
@Utils.undoable
def saveTo(self, mesh):
'''
saveTo(self,mesh)
saves data to actual skin cluster
'''
# set target to whatever was provided
self.mll.setCurrentMesh(mesh)
if mesh == MllInterface.TARGET_REFERENCE_MESH:
self.mll.setWeightsReferenceMesh(self.meshInfo.verts,
self.meshInfo.triangles)
if not self.mll.getLayersAvailable():
self.mll.initLayers()
if not self.mll.getLayersAvailable():
raise Exception("could not initialize layers")
# is skin cluster available?
if mesh != MllInterface.TARGET_REFERENCE_MESH:
mesh, self.skinCluster = self.mll.getTargetInfo()
self.skinClusterFn = SkinClusterFn()
self.skinClusterFn.setSkinCluster(self.skinCluster)
self.__validate()
# set target to actual mesh
self.mll.setCurrentMesh(mesh)
with self.mll.batchUpdateContext():
if self.mirrorInfluenceAssociationOverrides:
self.mll.setManualMirrorInfluences(
self.mirrorInfluenceAssociationOverrides)
# IDS of created layers, in reverse order
layerIds = []
for layer in reversed(self.layers):
layerId = self.mll.createLayer(name=layer.name,
forceEmpty=True)
layerIds.append(layerId)
self.mll.setCurrentLayer(layerId)
if layerId is None:
raise Exception(
"import failed: could not create layer '%s'" %
(layer.name))
self.mll.setLayerOpacity(layerId, layer.opacity)
self.mll.setLayerEnabled(layerId, layer.enabled)
self.mll.setLayerMask(layerId, layer.mask)
self.mll.setDualQuaternionWeights(layerId, layer.dqWeights)
self.mll.setLayerWeightsBufferSize(layerId,
len(layer.influences))
for influence in layer.influences:
# because layer was just created and will belong to same undo chunk, disabling undo
# for setting weights bit
self.mll.setInfluenceWeights(layerId,
influence.logicalIndex,
influence.weights,
undoEnabled=False)
# layer.parent reference index is in normal order, therefore need to reverse it again
layerIds = list(reversed(layerIds))
for index, layer in enumerate(self.layers):
if layer.parent is not None:
self.mll.setLayerParent(layerIds[index],
layerIds[layer.parent])
# reparenting will move it to the end of the list; move it to the bottom instead
self.mll.setLayerIndex(layerIds[index], 0)
def __repr__(self):
return "[LayerDataModel(%r)]" % self.layers
def getAllInfluences(self):
'''
a convenience method to retrieve a list of names of all influences used in this layer data object
'''
result = set()
for layer in self.layers:
for influence in layer.influences:
result.add(influence.influenceName)
return tuple(result)
class DuplicateLayersTest(AdditionalAsserts, unittest.TestCase):
def setUp(self):
unittest.TestCase.setUp(self)
self.mll = MllInterface()
self.setup = DuplicateLayers()
self.setup.setMllInterface(self.mll)
testUtils.openMayaFile("influence transfer.mb")
self.mll.setCurrentMesh('sourceMesh')
self.mll.initLayers()
def testLayerName(self):
self.assertEquals("layer1 copy", self.setup.createLayerName("layer1"))
self.assertEquals("layer1 copy(2)",
self.setup.createLayerName("layer1 copy"))
self.assertEquals("layer1 copy(1000001)",
self.setup.createLayerName("layer1 copy(1000000)"))
@insideMayaOnly
def testDuplicateOneLayer(self):
id = self.mll.createLayer("layer1 copy")
self.setup.addLayer(id)
self.setup.execute()
newId = self.setup.duplicateIds[0]
self.assertEqual(self.mll.getLayerName(newId), 'layer1 copy(2)')
self.assertEqual(self.mll.isLayerEnabled(newId), True)
self.assertAlmostEqual(self.mll.getLayerOpacity(newId), 1.0)
self.assertFloatArraysEqual(self.mll.getLayerMask(newId), [])
self.assertFloatArraysEqual(self.mll.getInfluenceWeights(id, 1),
self.mll.getInfluenceWeights(newId, 1))
@insideMayaOnly
def testLayerOrder(self):
id1 = self.mll.createLayer("layer1")
id2 = self.mll.createLayer("layer2")
def layerNames():
return [a[1] for a in self.mll.listLayers()]
self.assertArraysEqual(layerNames(), ["layer2", "layer1"])
self.setup.addLayer(id1)
self.setup.addLayer(id2)
self.setup.execute()
# order respects "newer layers on top"
self.assertArraysEqual(
layerNames(), ["layer2 copy", "layer1 copy", "layer2", "layer1"])
# individual indexes in copy array respect indexes in the original array
self.assertEquals(self.mll.getLayerName(self.setup.duplicateIds[0]),
"layer1 copy")
self.assertEquals(self.mll.getLayerName(self.setup.duplicateIds[1]),
"layer2 copy")
class CopyPasteActionsTest(AdditionalAsserts, unittest.TestCase):
def setUp(self):
testUtils.openMayaFile("normalization.ma")
self.mll = MllInterface()
cmds.select("testMesh")
self.mll.initLayers()
self.mll.createLayer("initial weights")
self.layer = self.mll.createLayer("second layer")
self.mll.setCurrentLayer(self.layer)
self.clipboard = WeightsClipboard(self.mll)
self.newWeights = [0.5]*self.mll.getVertCount()
def tearDown(self):
unittest.TestCase.tearDown(self)
@insideMayaOnly
def testCantCopyEmptyMask(self):
with self.assertRaises(MessageException, "Nothing copied"):
self.mll.setCurrentPaintTarget(LayerUtils.PAINT_TARGET_MASK)
self.clipboard.withCurrentLayerAndInfluence().copy()
# shold not be able to paste after this
with self.assertRaises(MessageException, "Nothing to paste"):
self.clipboard.withCurrentLayerAndInfluence().paste(True)
@insideMayaOnly
def testCantPasteIfNothingIsThere(self):
with self.assertRaises(MessageException, "Nothing to paste"):
self.clipboard.withCurrentLayerAndInfluence().paste(True)
@insideMayaOnly
def testCopyMask(self):
# set mask to something
self.mll.setLayerMask(self.layer,self.newWeights)
self.assertArraysEqual(self.mll.getLayerMask(self.layer), self.newWeights)
self.mll.setCurrentPaintTarget(LayerUtils.PAINT_TARGET_MASK)
self.clipboard.withCurrentLayerAndInfluence().copy()
self.assertArraysEqual(self.clipboard.copiedWeights, self.newWeights)
@insideMayaOnly
def testPasteMaskReplace(self):
self.mll.setLayerMask(self.layer,self.newWeights)
self.mll.setCurrentPaintTarget(LayerUtils.PAINT_TARGET_MASK)
self.clipboard.copiedWeights = self.newWeights
self.clipboard.withCurrentLayerAndInfluence().paste(True)
self.assertArraysEqual(self.mll.getLayerMask(self.layer), self.newWeights)
@insideMayaOnly
def testPasteInfluenceReplace(self):
influence = 1
self.mll.setInfluenceWeights(self.layer, influence, self.newWeights)
self.mll.setCurrentPaintTarget(influence)
self.clipboard.copiedWeights = self.newWeights
self.clipboard.withCurrentLayerAndInfluence().paste(True)
self.assertArraysEqual(self.mll.getInfluenceWeights(self.layer,influence), self.newWeights)
class UseNgBrush(object):
""" setup for custom brush operations, a new instance is created on every brush stroke """
def __init__(self, surface_name):
self.surface = surface_name
self.stroke_id = None
self.mode = 1
self.value = 1
self.volumeThreshold = -0.1
self.mll = MllInterface()
self.selection_name = cmds.ls(selection=True)
self.mesh = cmds.listRelatives(self.selection_name[0], shapes=True)
self.ngs_layer_id = self.mll.getCurrentLayer()
self.ngs_influence = self.mll.getCurrentPaintTarget()
self.ngs_weight_list = self.mll.getInfluenceWeights(
self.ngs_layer_id, self.ngs_influence)
self.max_value = max(self.ngs_weight_list)
self.min_value = min(self.ngs_weight_list)
def stroke_initialize(self):
""" this function is executed before each brush stroke """
cmds.undoInfo(openChunk=True, undoName="paint stroke")
get_stroke_id = ngLayerPaintCtxInitialize(self.mesh[0])
self.stroke_id = int(get_stroke_id.split(" ")[1])
cmds.ngSkinLayer(paintOperation=self.mode, paintIntensity=self.value)
self.stroke_update()
return self.surface, self.stroke_id
def stroke_finalize(self):
""" this function is executed after each brush stroke """
if self.stroke_id:
cmds.ngLayerPaintCtxFinalize(self.stroke_id)
self.stroke_id = None
cmds.undoInfo(closeChunk=True)
def stroke_update(self):
""" updates certain attributes for the brush instance """
# self.mll = MllInterface()
# self.selection_name = cmds.ls(selection=True)
# self.mesh = cmds.listRelatives(self.selection_name[0], shapes=True)
# self.ngs_layer_id = self.mll.getCurrentLayer()
# self.ngs_influence = self.mll.getCurrentPaintTarget()
# self.ngs_weight_list = self.mll.getInfluenceWeights(self.ngs_layer_id, self.ngs_influence)
# self.max_value = max(self.ngs_weight_list)
# self.min_value = min(self.ngs_weight_list)
self.volumeThreshold = cmds.floatSlider("volume_slider",
q=True,
value=True)
def contrast_paint(self, vert_id, value):
""" sharpens the edge of the active weight map """
vertex_weight = self.ngs_weight_list[vert_id]
if not self.max_value > vertex_weight > self.min_value:
return
avg_value = (self.max_value + self.min_value) / 2
normalized_range = self.max_value - self.min_value
dist_value = vertex_weight - avg_value
modifier = norm.cdf(dist_value, loc=0,
scale=(0.1 * normalized_range)) - vertex_weight
contrast_weight = vertex_weight + (modifier * value)
contrast_weight = max(self.min_value,
min(contrast_weight, self.max_value))
cmds.ngSkinLayer(paintIntensity=contrast_weight)
cmds.ngLayerPaintCtxSetValue(self.stroke_id, vert_id, 1)
def conceal_paint(self, vert_id, value):
""" smooth operation that only lowers weight values """
vertex_weight = self.ngs_weight_list[vert_id]
if vertex_weight <= self.min_value:
return
vertex_name = '{}.vtx[{}]'.format(self.selection_name[0], vert_id)
area_vertices = get_surrounding_verts(vertex_name)
weight_list = [self.ngs_weight_list[int(x)] for x in area_vertices]
weight_avg = sum(weight_list) / float(len(weight_list))
min_avg = min(weight_list)
threshold = 0.01 / (value / 0.1)
if weight_avg >= self.max_value and abs(weight_avg -
vertex_weight) <= threshold:
return
weight_diff = abs(weight_avg - vertex_weight)
conceal_weight = vertex_weight * (1 - (weight_diff * value))
conceal_weight = max(conceal_weight, min_avg)
cmds.ngSkinLayer(paintIntensity=conceal_weight)
cmds.ngLayerPaintCtxSetValue(self.stroke_id, vert_id, 1)
def spread_paint(self, vert_id, value):
""" smooth operation that only increases weight values """
vertex_weight = self.ngs_weight_list[vert_id]
if vertex_weight >= self.max_value:
return
vertex_name = '.'.join([self.selection_name[0], 'vtx[%d]' % vert_id])
area_vertices = get_surrounding_verts(vertex_name)
weight_list = [self.ngs_weight_list[int(x)] for x in area_vertices]
weight_avg = sum(weight_list) / float(len(weight_list))
max_avg = max(weight_list)
threshold = 0.01 / (value / 0.1)
if weight_avg <= self.min_value and abs(weight_avg -
vertex_weight) <= threshold:
return
weight_diff = abs(weight_avg - vertex_weight)
spread_weight = vertex_weight + (weight_diff * value)
spread_weight = min(spread_weight, max_avg)
cmds.ngSkinLayer(paintIntensity=spread_weight)
cmds.ngLayerPaintCtxSetValue(self.stroke_id, vert_id, 1)
def gain_paint(self, vert_id, value):
""" increases existing weight values but preserves empty weights """
vertex_weight = self.ngs_weight_list[vert_id]
if vertex_weight == 0:
return
gain_weight = vertex_weight + (vertex_weight * value)
gain_weight = min(gain_weight, 1)
cmds.ngSkinLayer(paintIntensity=gain_weight)
cmds.ngLayerPaintCtxSetValue(self.stroke_id, vert_id, 1)
def volume_equalize(self, vert_id, value):
"""
i.e a volumetric match operation with a falloff.
applies weight values inside the brush radius onto other vertices inside a spherical volume
"""
origin_vertex = '.'.join([self.selection_name[0], 'vtx[%s]']) % vert_id
vertex_weight = self.ngs_weight_list[vert_id]
v1 = cmds.pointPosition(origin_vertex)
for i in range(len(self.ngs_weight_list)):
target_weight = self.ngs_weight_list[i]
if target_weight == vertex_weight:
continue
if i == vert_id:
continue
target_vertex = '.'.join([self.selection_name[0], 'vtx[%s]']) % i
v2 = cmds.pointPosition(target_vertex)
target_distance = sqrt((pow((v1[0] - v2[0]), 2)) +
(pow((v1[1] - v2[1]), 2)) +
(pow((v1[2] - v2[2]), 2)))
if target_distance > (self.volumeThreshold * value):
continue
falloff = (self.volumeThreshold -
target_distance) / self.volumeThreshold
eq_weight = target_weight - ((
(target_weight - vertex_weight) * value) * falloff)
cmds.ngSkinLayer(paintIntensity=eq_weight)
cmds.ngLayerPaintCtxSetValue(self.stroke_id, i, 1)
class MapOperations(object):
""" class that contains operations applied to the entire mesh """
def __init__(self):
self.mll = MllInterface()
self.selection_name = []
self.ngs_layer_id = -1
self.ngs_influence = None
self.ngs_weight_list = []
self.ngs_vert_count = -1
self.max_value = -1.0
self.min_value = -1.0
def get_data(self):
self.selection_name = cmds.ls(selection=True)
self.ngs_layer_id = self.mll.getCurrentLayer()
self.ngs_influence = self.mll.getCurrentPaintTarget()
self.ngs_weight_list = self.mll.getInfluenceWeights(
self.ngs_layer_id, self.ngs_influence)
self.ngs_vert_count = self.mll.getVertCount()
self.max_value = max(self.ngs_weight_list)
self.min_value = min(self.ngs_weight_list)
def grow_map(self, intensity):
""" pushes the border of the active weight map outwards """
self.get_data()
new_weight_list = []
for i in range(self.ngs_vert_count):
vertex_weight = self.ngs_weight_list[i]
if vertex_weight >= self.max_value:
new_weight_list.append(vertex_weight)
continue
vertex_name = '.'.join([self.selection_name[0], 'vtx[%d]' % i])
area_vertices = get_surrounding_verts(vertex_name)
weight_list = [self.ngs_weight_list[int(x)] for x in area_vertices]
max_avg = max(weight_list)
if max_avg <= self.min_value:
new_weight_list.append(vertex_weight)
continue
grow_weight = vertex_weight + (abs(vertex_weight - max_avg) *
intensity)
grow_weight = min(grow_weight, self.max_value)
new_weight_list.append(grow_weight)
self.mll.setInfluenceWeights(self.ngs_layer_id, self.ngs_influence,
new_weight_list)
def shrink_map(self, intensity):
""" pulls the border of the active weight map inwards """
self.get_data()
new_weight_list = []
for i in range(self.ngs_vert_count):
vertex_weight = self.ngs_weight_list[i]
if vertex_weight <= self.min_value:
new_weight_list.append(vertex_weight)
continue
vertex_name = '.'.join([self.selection_name[0], 'vtx[%d]' % i])
area_vertices = get_surrounding_verts(vertex_name)
weight_list = [self.ngs_weight_list[int(x)] for x in area_vertices]
min_avg = min(weight_list)
if min_avg >= self.max_value:
new_weight_list.append(vertex_weight)
continue
shrink_weight = vertex_weight - (abs(vertex_weight - min_avg) *
intensity)
shrink_weight = max(shrink_weight, self.min_value)
new_weight_list.append(shrink_weight)
self.mll.setInfluenceWeights(self.ngs_layer_id, self.ngs_influence,
new_weight_list)
def conceal_map(self, intensity):
""" smooth operation for the active map by only lowering values """
self.get_data()
new_weight_list = []
threshold = 0.01 / (intensity / 0.1)
for i in range(self.ngs_vert_count):
vertex_weight = self.ngs_weight_list[i]
if vertex_weight <= self.min_value:
new_weight_list.append(vertex_weight)
continue
vertex_name = '.'.join([self.selection_name[0], 'vtx[%d]' % i])
area_vertices = get_surrounding_verts(vertex_name)
weight_list = [self.ngs_weight_list[int(x)] for x in area_vertices]
weight_avg = sum(weight_list) / float(len(weight_list))
min_avg = min(weight_list)
if weight_avg >= self.max_value and abs(weight_avg -
vertex_weight) < threshold:
new_weight_list.append(vertex_weight)
continue
weight_diff = abs(weight_avg - vertex_weight)
conceal_weight = vertex_weight * (1 - (weight_diff * intensity))
conceal_weight = max(conceal_weight, min_avg)
new_weight_list.append(conceal_weight)
self.mll.setInfluenceWeights(self.ngs_layer_id, self.ngs_influence,
new_weight_list)
def spread_map(self, intensity):
""" smooth operation for the active map by only increasing values """
self.get_data()
new_weight_list = []
threshold = 0.01 / (intensity / 0.1)
for i in range(self.ngs_vert_count):
vertex_weight = self.ngs_weight_list[i]
if vertex_weight >= self.max_value:
new_weight_list.append(vertex_weight)
continue
vertex_name = '.'.join([self.selection_name[0], 'vtx[%d]' % i])
area_vertices = get_surrounding_verts(vertex_name)
weight_list = [self.ngs_weight_list[int(x)] for x in area_vertices]
weight_avg = sum(weight_list) / float(len(weight_list))
max_avg = max(weight_list)
if weight_avg <= self.min_value and abs(weight_avg -
vertex_weight) < threshold:
new_weight_list.append(vertex_weight)
continue
weight_diff = abs(weight_avg - vertex_weight)
spread_weight = vertex_weight + weight_diff * intensity
spread_weight = min(spread_weight, max_avg)
new_weight_list.append(spread_weight)
self.mll.setInfluenceWeights(self.ngs_layer_id, self.ngs_influence,
new_weight_list)
def gain_map(self, intensity):
""" 'reverse scale' tool that only increases weight values above 0 """
self.get_data()
new_weight_list = []
for i in range(self.ngs_vert_count):
vertex_weight = self.ngs_weight_list[i]
if vertex_weight == 0:
new_weight_list.append(vertex_weight)
continue
gain_weight = vertex_weight + (vertex_weight * intensity)
gain_weight = min(gain_weight, 1)
new_weight_list.append(gain_weight)
self.mll.setInfluenceWeights(self.ngs_layer_id, self.ngs_influence,
new_weight_list)
def contrast_map(self, intensity):
""" sharpens the edge of the active weight map """
self.get_data()
new_weight_list = []
avg_value = (self.max_value + self.min_value) / 2
normalized_range = self.max_value - self.min_value
for i in range(self.ngs_vert_count):
vertex_weight = self.ngs_weight_list[i]
if not self.max_value > vertex_weight > self.min_value:
new_weight_list.append(vertex_weight)
continue
dist_value = vertex_weight - avg_value
modifier = norm.cdf(dist_value,
loc=0,
scale=(0.1 * normalized_range)) - vertex_weight
contrast_weight = vertex_weight + modifier * intensity
contrast_weight = max(self.min_value,
min(contrast_weight, self.max_value))
new_weight_list.append(contrast_weight)
self.mll.setInfluenceWeights(self.ngs_layer_id, self.ngs_influence,
new_weight_list)
class LayerData(object):
'''
Intermediate data object between ngSkinTools core and importers/exporters,
representing all layers info in one skin cluster.
.. py:attribute:: layers
a list of :py:class:`Layer` objects.
.. py:attribute:: influences
a list of :py:class:`InfluenceInfo` objects. Provides information about influences
that were found on exported skin data, and used for influence matching when importing.
'''
def __init__(self):
self.layers = []
self.mll = MllInterface()
self.meshInfo = MeshInfo()
self.influences = []
# a map [sourceInfluenceName] -> [destinationInfluenceName]
self.mirrorInfluenceAssociationOverrides = None
self.skinClusterFn = None
def addMirrorInfluenceAssociationOverride(self,sourceInfluence,destinationInfluence=None,selfReference=False,bidirectional=True):
'''
Adds mirror influence association override, similar to UI of "Add influences association".
Self reference creates a source<->source association, bidirectional means that destination->source
link is added as well
'''
if self.mirrorInfluenceAssociationOverrides is None:
self.mirrorInfluenceAssociationOverrides = {}
if selfReference:
self.mirrorInfluenceAssociationOverrides[sourceInfluence] = sourceInfluence
return
if destinationInfluence is None:
raise MessageException("destination influence must be specified")
self.mirrorInfluenceAssociationOverrides[sourceInfluence] = destinationInfluence
if bidirectional:
self.mirrorInfluenceAssociationOverrides[destinationInfluence] = sourceInfluence
def addLayer(self, layer):
'''
register new layer into this data object
:param Layer layer: layer object to add.
'''
assert isinstance(layer, Layer)
self.layers.append(layer)
@staticmethod
def getFullNodePath(nodeName):
result = cmds.ls(nodeName,l=True)
if result is None or len(result)==0:
raise MessageException("node %s was not found" % nodeName)
return result[0]
def loadInfluenceInfo(self):
self.influences = self.mll.listInfluenceInfo()
def loadFrom(self, mesh):
'''
loads data from actual skin cluster and prepares it for exporting.
supply skin cluster or skinned mesh as an argument
'''
self.mll.setCurrentMesh(mesh)
meshExporter = MeshDataExporter()
self.meshInfo = MeshInfo()
if mesh!=MllInterface.TARGET_REFERENCE_MESH:
mesh,skinCluster = self.mll.getTargetInfo()
meshExporter.setTransformMatrixFromNode(mesh)
meshExporter.useSkinClusterInputMesh(skinCluster)
self.meshInfo.verts,self.meshInfo.triangles = meshExporter.export()
else:
self.meshInfo.verts = self.mll.getReferenceMeshVerts()
self.meshInfo.triangles = self.mll.getReferenceMeshTriangles()
self.loadInfluenceInfo()
for layerID, layerName in self.mll.listLayers():
self.mirrorInfluenceAssociationOverrides = self.mll.getManualMirrorInfluences()
if len(self.mirrorInfluenceAssociationOverrides)==0:
self.mirrorInfluenceAssociationOverrides = None
layer = Layer()
layer.name = layerName
self.addLayer(layer)
layer.opacity = self.mll.getLayerOpacity(layerID)
layer.enabled = self.mll.isLayerEnabled(layerID)
layer.mask = self.mll.getLayerMask(layerID)
layer.dqWeights = self.mll.getDualQuaternionWeights(layerID)
for inflName, logicalIndex in self.mll.listLayerInfluences(layerID,activeInfluences=True):
if inflName=='':
inflName = None
influence = Influence()
if inflName is not None:
influence.influenceName = self.getFullNodePath(inflName)
influence.logicalIndex = logicalIndex
layer.addInfluence(influence)
influence.weights = self.mll.getInfluenceWeights(layerID, logicalIndex)
def __validate(self):
numVerts = self.mll.getVertCount()
def validateVertCount(count,message):
if count!=numVerts:
raise Exception(message)
for layer in self.layers:
maskLen = len(layer.mask)
if maskLen != 0:
validateVertCount(maskLen, "Invalid vertex count for mask in layer '%s': expected size is %d" % (layer.name, numVerts))
for influence in layer.influences:
validateVertCount(len(influence.weights), "Invalid weights count for influence '%s' in layer '%s': expected size is %d" % (influence.influenceName, layer.name, numVerts))
if self.skinClusterFn:
influence.logicalIndex = self.skinClusterFn.getLogicalInfluenceIndex(influence.influenceName)
@Utils.undoable
def saveTo(self, mesh):
'''
saveTo(self,mesh)
saves data to actual skin cluster
'''
# set target to whatever was provided
self.mll.setCurrentMesh(mesh)
if mesh==MllInterface.TARGET_REFERENCE_MESH:
self.mll.setWeightsReferenceMesh(self.meshInfo.verts, self.meshInfo.triangles)
if not self.mll.getLayersAvailable():
self.mll.initLayers()
if not self.mll.getLayersAvailable():
raise Exception("could not initialize layers")
# is skin cluster available?
if mesh!=MllInterface.TARGET_REFERENCE_MESH:
mesh, self.skinCluster = self.mll.getTargetInfo()
self.skinClusterFn = SkinClusterFn()
self.skinClusterFn.setSkinCluster(self.skinCluster)
self.__validate()
# set target to actual mesh
self.mll.setCurrentMesh(mesh)
with self.mll.batchUpdateContext():
if self.mirrorInfluenceAssociationOverrides:
self.mll.setManualMirrorInfluences(self.mirrorInfluenceAssociationOverrides)
for layer in reversed(self.layers):
layerId = self.mll.createLayer(name=layer.name, forceEmpty=True)
self.mll.setCurrentLayer(layerId)
if layerId is None:
raise Exception("import failed: could not create layer '%s'" % (layer.name))
self.mll.setLayerOpacity(layerId, layer.opacity)
self.mll.setLayerEnabled(layerId, layer.enabled)
self.mll.setLayerMask(layerId, layer.mask)
self.mll.setDualQuaternionWeights(layerId, layer.dqWeights)
for influence in layer.influences:
self.mll.setInfluenceWeights(layerId, influence.logicalIndex, influence.weights)
def __repr__(self):
return "[LayerDataModel(%r)]" % self.layers
def getAllInfluences(self):
'''
a convenience method to retrieve a list of names of all influences used in this layer data object
'''
result = set()
for layer in self.layers:
for influence in layer.influences:
result.add(influence.influenceName)
return tuple(result)
class VariousImportScenarios(AdditionalAsserts, unittest.TestCase):
def setUp(self):
self.targetMesh = 'testMesh'
self.numVerts = 169 # number of verts in our mesh
self.mll = MllInterface()
unittest.TestCase.setUp(self)
openMayaFile('simplemirror.ma')
cmds.hide("|y_axis")
cmds.showHidden("|x_axis")
self.mll.setCurrentMesh(self.targetMesh)
self.mll.initLayers()
self.mll.createLayer("original weights")
self.model = ie.LayerData()
self.layer = ie.Layer()
self.layer.opacity = 1.0
self.layer.enabled = True
self.layer.mask = [0.0]*self.numVerts
self.layer.mask[1] = 0.9
self.layer.mask[5] = 0.5566
self.layer.name = "imported layer"
self.model.addLayer(self.layer)
self.infl = ie.Influence()
self.layer.addInfluence(self.infl)
self.infl.influenceName = "x_axis|root|R_joint1"
self.infl.logicalIndex = 666 # use nonsense value
self.infl.weights = [0.1]*self.numVerts
self.infl.weights[3] = 0.688
self.infl.weights[4] = 0.345
@decorators.insideMayaOnly
def testSave(self):
self.model.saveTo(self.targetMesh)
layers = list(self.mll.listLayers())
id,name = layers[0]
self.assertEquals("imported layer", name)
self.assertFloatArraysEqual(self.mll.getLayerMask(id), self.layer.mask)
self.assertFloatArraysEqual(self.mll.getInfluenceWeights(id, self.infl.logicalIndex), self.infl.weights)
@decorators.insideMayaOnly
def testEmptyMask(self):
self.layer.mask = []
self.model.saveTo(self.targetMesh)
@decorators.insideMayaOnly
def testInvalidVertCount(self):
self.infl.weights = self.infl.weights[:-1]
with self.assertRaises(Exception,"Invalid weights count for influence 'x_axis|root|R_joint1' in layer 'imported layer': expected size is 169"):
self.model.saveTo(self.targetMesh)
@decorators.insideMayaOnly
def testInvalidMaskCount(self):
self.layer.mask = self.layer.mask[:-1]
with self.assertRaises(Exception,"Invalid vertex count for mask in layer 'imported layer': expected size is 169"):
self.model.saveTo(self.targetMesh)
@decorators.insideMayaOnly
def testInvalidMesh(self):
with self.assertRaises(Exception,"could not initialize layers"):
self.model.saveTo("persp")
@decorators.insideMayaOnly
def testUninitializedLayers(self):
'''
if layers on mesh were uninitialized, just initialize layers as usual, and do not fail
'''
LayerUtils.deleteCustomNodes()
self.model.saveTo(self.targetMesh)
@decorators.insideMayaOnly
def testMissingInfluence(self):
self.infl.influenceName = "something_is_missing_here"
with self.assertRaises(MessageException,"Could not find influence 'something_is_missing_here' in skinCluster1"):
self.model.saveTo(self.targetMesh)
class LayerData(object):
'''
Intermediate data object between ngSkinTools core and importers/exporters,
representing all layers info in one skin cluster.
'''
def __init__(self):
#: layers list
self.layers = []
self.mll = MllInterface()
# a map [sourceInfluenceName] -> [destinationInfluenceName]
self.mirrorInfluenceAssociationOverrides = {}
def addMirrorInfluenceAssociationOverride(self,
sourceInfluence,
destinationInfluence=None,
selfReference=False,
bidirectional=True):
'''
Adds mirror influence association override, similar to UI of "Add influences association".
Self reference creates a source<->source association, bidirectional means that destination->source
link is added as well
'''
if selfReference:
self.mirrorInfluenceAssociationOverrides[
sourceInfluence] = sourceInfluence
return
if destinationInfluence is None:
raise MessageException("destination influence must be specified")
self.mirrorInfluenceAssociationOverrides[
sourceInfluence] = destinationInfluence
if bidirectional:
self.mirrorInfluenceAssociationOverrides[
destinationInfluence] = sourceInfluence
def addLayer(self, layer):
'''
register new layer into this data object
'''
assert isinstance(layer, Layer)
self.layers.append(layer)
@staticmethod
def getFullNodePath(nodeName):
result = cmds.ls(nodeName, l=True)
if result is None or len(result) == 0:
raise MessageException("node %s was not found" % nodeName)
return result[0]
def loadFrom(self, mesh):
'''
loads data from actual skin cluster and prepares it for exporting.
supply skin cluster or skinned mesh as an argument
'''
self.mll.setCurrentMesh(mesh)
for layerID, layerName in self.mll.listLayers():
self.mirrorInfluenceAssociationOverrides = self.mll.listManualMirrorInfluenceAssociations(
)
layer = Layer()
layer.name = layerName
self.addLayer(layer)
layer.opacity = self.mll.getLayerOpacity(layerID)
layer.enabled = self.mll.isLayerEnabled(layerID)
layer.mask = self.mll.getLayerMask(layerID)
for inflName, logicalIndex in self.mll.listLayerInfluences(
layerID):
influence = Influence()
influence.influenceName = self.getFullNodePath(inflName)
influence.logicalIndex = logicalIndex
layer.addInfluence(influence)
influence.weights = self.mll.getInfluenceWeights(
layerID, logicalIndex)
def __validate(self):
numVerts = self.mll.getVertCount()
for layer in reversed(self.layers):
maskLen = len(layer.mask)
if maskLen != 0 and maskLen != numVerts:
raise Exception(
"Invalid vertex count for mask in layer '%s': expected size is %d"
% (layer.name, numVerts))
for influence in layer.influences:
weightsLen = len(influence.weights)
if weightsLen != numVerts:
raise Exception(
"Invalid weights count for influence '%s' in layer '%s': expected size is %d"
% (influence.influenceName, layer.name, numVerts))
influence.logicalIndex = self.skinClusterFn.getLogicalInfluenceIndex(
influence.influenceName)
@Utils.undoable
def saveTo(self, mesh):
'''
saves data to actual skin cluster
'''
# set target to whatever was provided
self.mll.setCurrentMesh(mesh)
if not self.mll.getLayersAvailable():
self.mll.initLayers()
if not self.mll.getLayersAvailable():
raise Exception("could not initialize layers")
mesh, self.skinCluster = self.mll.getTargetInfo()
self.skinClusterFn = SkinClusterFn()
self.skinClusterFn.setSkinCluster(self.skinCluster)
self.__validate()
# set target to actual mesh
self.mll.setCurrentMesh(mesh)
with self.mll.batchUpdateContext():
for source, destination in self.mirrorInfluenceAssociationOverrides:
self.mll.addManualMirrorInfluenceAssociation(
source, destination)
for layer in reversed(self.layers):
layerId = self.mll.createLayer(name=layer.name,
forceEmpty=True)
self.mll.setCurrentLayer(layerId)
if layerId is None:
raise Exception(
"import failed: could not create layer '%s'" %
(layer.name))
self.mll.setLayerOpacity(layerId, layer.opacity)
self.mll.setLayerEnabled(layerId, layer.enabled)
self.mll.setLayerMask(layerId, layer.mask)
for influence in layer.influences:
self.mll.setInfluenceWeights(layerId,
influence.logicalIndex,
influence.weights)
def __repr__(self):
return "[LayerDataModel(%r)]" % self.layers
def getAllInfluences(self):
'''
a convenience method to retrieve a list of names of all influences used in this layer data object
'''
result = set()
for layer in self.layers:
for influence in layer.influences:
result.add(influence.influenceName)
return tuple(result)
class MllInterfaceTest(AdditionalAsserts, unittest.TestCase):
def setUp(self):
unittest.TestCase.setUp(self)
self.mll = MllInterface()
@insideMayaOnly
def testAccessForNoSelection(self):
testUtils.openMayaFile("normalization.ma")
cmds.select(cl=True)
self.mll.setCurrentMesh(None)
self.assertEquals(None, self.mll.getTargetInfo())
@insideMayaOnly
def testInvalidInfluenceIndex(self):
testUtils.openMayaFile("normalization.ma")
self.mll.setCurrentMesh('testMesh')
self.mll.initLayers()
layerId = self.mll.createLayer("initial weights")
weights = [0.0] * self.mll.getVertCount()
with self.assertRaises(
errorMessage="skin cluster does not have logical influence 666"
):
self.mll.setInfluenceWeights(layerId, 666, weights)
@insideMayaOnly
def testAccess(self):
# test the same for specified mesh, or None for current selection
for mesh in ('testMesh', None):
testUtils.openMayaFile("normalization.ma")
self.mll.setCurrentMesh(mesh)
if mesh is None:
cmds.select('testMesh')
self.mll.initLayers()
layerId = self.mll.createLayer("initial weights")
self.assertNotEqual(None, layerId)
self.assertEqual("initial weights", self.mll.getLayerName(layerId))
self.assertEqual(16, self.mll.getVertCount(),
"Invalid vertex count detected")
self.assertEqual(1, self.mll.getLayerOpacity(layerId))
self.assertEqual(True, self.mll.isLayerEnabled(layerId))
self.assertEqual([], self.mll.getLayerMask(layerId))
self.assertFloatArraysEqual(
self.mll.getInfluenceWeights(layerId, 1), [
0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0
])
@insideMayaOnly
def testOverwriteWeightsCrashesMaya(self):
testUtils.openMayaFile("genericSkinnedMesh.mb")
self.mll.setCurrentMesh("mesh|pPlane1")
self.mll.initLayers()
layerId = self.mll.createLayer("initial weights", forceEmpty=True)
weights = [1.0] * self.mll.getVertCount()
weights[0] = 0.7
weights[1] = 0.5
weights[2] = 0.3
self.mll.setInfluenceWeights(layerId, 0, weights)
self.assertFloatArraysEqual(
self.mll.getInfluenceWeights(layerId, 0)[0:3], [0.7, 0.5, 0.3])
self.mll.setInfluenceWeights(layerId, 1, weights)
self.assertFloatArraysEqual(weights,
self.mll.getInfluenceWeights(layerId, 1))
# previous influence should have some of it's value substracted
self.assertFloatArraysEqual(
self.mll.getInfluenceWeights(layerId, 0)[0:3], [0.3, 0.5, 0.3])
@insideMayaOnly
def testAddManualMirrorInfluences(self):
testUtils.openMayaFile("genericSkinnedMesh.mb")
self.mll.setCurrentMesh("mesh|pPlane1")
self.mll.initLayers()
layerId = self.mll.createLayer("initial weights")
result = self.mll.listManualMirrorInfluenceAssociations()
self.assertArraysEqual(result, [])
self.mll.addManualMirrorInfluenceAssociation("L_joint1", "R_joint1")
self.mll.addManualMirrorInfluenceAssociation("R_joint1", "L_joint1")
result = self.mll.listManualMirrorInfluenceAssociations()
self.assertDictionariesEqual(result, {
"L_joint1": "R_joint1",
"R_joint1": "L_joint1"
})
@insideMayaOnly
def testSetMaxInfluencePerVertex(self):
testUtils.openMayaFile("genericSkinnedMesh.mb")
self.mll.setCurrentMesh("mesh|pPlane1")
self.mll.initLayers()
layerId = self.mll.createLayer("initial weights")
self.assertEqual(self.mll.getInfluenceLimitPerVertex(), 0,
"initial limit per vertex should be zero")
self.mll.setInfluenceLimitPerVertex(10)
self.assertEqual(self.mll.getInfluenceLimitPerVertex(), 10,
"was not able to set limit to the desired value")
self.mll.setInfluenceLimitPerVertex(2)
self.assertEqual(self.mll.getInfluenceLimitPerVertex(), 2,
"was not able to set limit to the desired value")
class LayerData(object):
'''
Intermediate data object between ngSkinTools core and importers/exporters,
representing all layers info in one skin cluster.
'''
def __init__(self):
#: layers list
self.layers = []
self.mll = MllInterface()
# a map [sourceInfluenceName] -> [destinationInfluenceName]
self.mirrorInfluenceAssociationOverrides = {}
def addMirrorInfluenceAssociationOverride(self,sourceInfluence,destinationInfluence=None,selfReference=False,bidirectional=True):
'''
Adds mirror influence association override, similar to UI of "Add influences association".
Self reference creates a source<->source association, bidirectional means that destination->source
link is added as well
'''
if selfReference:
self.mirrorInfluenceAssociationOverrides[sourceInfluence] = sourceInfluence
return
if destinationInfluence is None:
raise MessageException("destination influence must be specified")
self.mirrorInfluenceAssociationOverrides[sourceInfluence] = destinationInfluence
if bidirectional:
self.mirrorInfluenceAssociationOverrides[destinationInfluence] = sourceInfluence
def addLayer(self, layer):
'''
register new layer into this data object
'''
assert isinstance(layer, Layer)
self.layers.append(layer)
@staticmethod
def getFullNodePath(nodeName):
result = cmds.ls(nodeName,l=True)
if result is None or len(result)==0:
raise MessageException("node %s was not found" % nodeName)
return result[0]
def loadFrom(self, mesh):
'''
loads data from actual skin cluster and prepares it for exporting.
supply skin cluster or skinned mesh as an argument
'''
self.mll.setCurrentMesh(mesh)
for layerID, layerName in self.mll.listLayers():
self.mirrorInfluenceAssociationOverrides = self.mll.listManualMirrorInfluenceAssociations()
layer = Layer()
layer.name = layerName
self.addLayer(layer)
layer.opacity = self.mll.getLayerOpacity(layerID)
layer.enabled = self.mll.isLayerEnabled(layerID)
layer.mask = self.mll.getLayerMask(layerID)
for inflName, logicalIndex in self.mll.listLayerInfluences(layerID):
influence = Influence()
influence.influenceName = self.getFullNodePath(inflName)
influence.logicalIndex = logicalIndex
layer.addInfluence(influence)
influence.weights = self.mll.getInfluenceWeights(layerID, logicalIndex)
def __validate(self):
numVerts = self.mll.getVertCount()
for layer in reversed(self.layers):
maskLen = len(layer.mask)
if maskLen != 0 and maskLen != numVerts:
raise Exception("Invalid vertex count for mask in layer '%s': expected size is %d" % (layer.name, numVerts))
for influence in layer.influences:
weightsLen = len(influence.weights)
if weightsLen != numVerts:
raise Exception("Invalid weights count for influence '%s' in layer '%s': expected size is %d" % (influence.influenceName, layer.name, numVerts))
influence.logicalIndex = self.skinClusterFn.getLogicalInfluenceIndex(influence.influenceName)
@Utils.undoable
def saveTo(self, mesh):
'''
saves data to actual skin cluster
'''
# set target to whatever was provided
self.mll.setCurrentMesh(mesh)
if not self.mll.getLayersAvailable():
self.mll.initLayers()
if not self.mll.getLayersAvailable():
raise Exception("could not initialize layers")
mesh, self.skinCluster = self.mll.getTargetInfo()
self.skinClusterFn = SkinClusterFn()
self.skinClusterFn.setSkinCluster(self.skinCluster)
self.__validate()
# set target to actual mesh
self.mll.setCurrentMesh(mesh)
with self.mll.batchUpdateContext():
for source,destination in self.mirrorInfluenceAssociationOverrides.iteritems():
self.mll.addManualMirrorInfluenceAssociation(source, destination)
for layer in reversed(self.layers):
layerId = self.mll.createLayer(name=layer.name, forceEmpty=True)
self.mll.setCurrentLayer(layerId)
if layerId is None:
raise Exception("import failed: could not create layer '%s'" % (layer.name))
self.mll.setLayerOpacity(layerId, layer.opacity)
self.mll.setLayerEnabled(layerId, layer.enabled)
self.mll.setLayerMask(layerId, layer.mask)
for influence in layer.influences:
self.mll.setInfluenceWeights(layerId, influence.logicalIndex, influence.weights)
def __repr__(self):
return "[LayerDataModel(%r)]" % self.layers
def getAllInfluences(self):
'''
a convenience method to retrieve a list of names of all influences used in this layer data object
'''
result = set()
for layer in self.layers:
for influence in layer.influences:
result.add(influence.influenceName)
return tuple(result)
class Equalize(object):
def __init__(self):
self.mll = MllInterface()
self.ngs_vert_count = -1
self.ngs_layer_id = -1
self.intensity = -1
self.ngs_influence = None
self.vert_weight_dict = {}
self.vert_weight_list = []
self.ngs_weight_dict = {}
self.ngs_weight_list = []
self.new_weight_list = []
self.selection_vert = []
self.vertex_list = []
self.id_list = []
self.modes = {
"max": self.vert_max,
"min": self.vert_min,
"avg": self.vert_avg,
"first": self.vert_first,
"last": self.vert_last
}
def get_data(self, check):
self.ngs_weight_dict = {}
self.vert_weight_dict = {}
self.selection_vert = cmds.ls(os=True)
if not self.selection_vert:
return False
if not check:
self.ngs_influence = [("selected influence:",
self.mll.getCurrentPaintTarget())]
else:
self.ngs_influence = self.mll.listLayerInfluences(
layerId=None, activeInfluences=True)
self.mll = MllInterface()
self.ngs_layer_id = self.mll.getCurrentLayer()
self.ngs_vert_count = self.mll.getVertCount()
self.vertex_list = cmds.ls(self.selection_vert, flatten=True)
self.id_list = list(
map(lambda x: x[x.find("[") + 1:x.find("]")], self.vertex_list))
for influences in self.ngs_influence:
influence_weights = self.mll.getInfluenceWeights(
self.ngs_layer_id, influences[1])
vert_weights = [influence_weights[int(i)] for i in self.id_list]
self.ngs_weight_dict[influences] = influence_weights
self.vert_weight_dict[influences] = vert_weights
return True
def set_vert(self, mode, intensity):
self.intensity = intensity
for influences in self.ngs_influence:
self.new_weight_list = []
self.ngs_weight_list = self.ngs_weight_dict[influences]
self.vert_weight_list = self.vert_weight_dict[influences]
self.modes[mode]()
self.mll.setInfluenceWeights(self.ngs_layer_id, influences[1],
self.new_weight_list)
def vert_max(self):
for i in range(self.ngs_vert_count):
vertex_weight = self.ngs_weight_list[i]
if str(i) not in self.id_list or vertex_weight == max(
self.vert_weight_list):
self.new_weight_list.append(vertex_weight)
continue
new_weight = vertex_weight + (
(max(self.vert_weight_list) - vertex_weight) * self.intensity)
self.new_weight_list.append(new_weight)
def vert_min(self):
for i in range(self.ngs_vert_count):
vertex_weight = self.ngs_weight_list[i]
if str(i) not in self.id_list or vertex_weight == min(
self.vert_weight_list):
self.new_weight_list.append(vertex_weight)
continue
new_weight = vertex_weight - (
(vertex_weight - min(self.vert_weight_list)) * self.intensity)
self.new_weight_list.append(new_weight)
def vert_avg(self):
average = sum(self.vert_weight_list) / float(len(
self.vert_weight_list))
for i in range(self.ngs_vert_count):
vertex_weight = self.ngs_weight_list[i]
if str(i) not in self.id_list or vertex_weight == average:
self.new_weight_list.append(vertex_weight)
continue
new_weight = vertex_weight - (
(vertex_weight - average) * self.intensity)
self.new_weight_list.append(new_weight)
def vert_first(self):
first = self.vert_weight_list[0]
for i in range(self.ngs_vert_count):
vertex_weight = self.ngs_weight_list[i]
if str(i) not in self.id_list or vertex_weight == first:
self.new_weight_list.append(vertex_weight)
continue
new_weight = vertex_weight - (
(vertex_weight - first) * self.intensity)
self.new_weight_list.append(new_weight)
def vert_last(self):
last = self.vert_weight_list[-1]
for i in range(self.ngs_vert_count):
vertex_weight = self.ngs_weight_list[i]
if str(i) not in self.id_list or vertex_weight == last:
self.new_weight_list.append(vertex_weight)
continue
new_weight = vertex_weight - (
(vertex_weight - last) * self.intensity)
self.new_weight_list.append(new_weight)
class MllInterfaceTest(AdditionalAsserts, unittest.TestCase):
def setUp(self):
unittest.TestCase.setUp(self)
self.mll = MllInterface()
@insideMayaOnly
def testAccessForNoSelection(self):
testUtils.openMayaFile("normalization.ma")
cmds.select(cl=True)
self.mll.setCurrentMesh(None)
self.assertEquals(None,self.mll.getTargetInfo())
@insideMayaOnly
def testInvalidInfluenceIndex(self):
testUtils.openMayaFile("normalization.ma")
self.mll.setCurrentMesh('testMesh')
self.mll.initLayers()
layerId = self.mll.createLayer("initial weights")
weights = [0.0]*self.mll.getVertCount()
with self.assertRaises(errorMessage="skin cluster does not have logical influence 666"):
self.mll.setInfluenceWeights(layerId, 666, weights)
@insideMayaOnly
def testAccess(self):
# test the same for specified mesh, or None for current selection
for mesh in ('testMesh',None):
testUtils.openMayaFile("normalization.ma")
self.mll.setCurrentMesh(mesh)
if mesh is None:
cmds.select('testMesh')
self.mll.initLayers()
layerId = self.mll.createLayer("initial weights")
self.assertNotEqual(None, layerId)
self.assertEqual("initial weights",self.mll.getLayerName(layerId))
self.assertEqual(16, self.mll.getVertCount(), "Invalid vertex count detected")
self.assertEqual(1, self.mll.getLayerOpacity(layerId))
self.assertEqual(True, self.mll.isLayerEnabled(layerId))
self.assertEqual([], self.mll.getLayerMask(layerId))
self.assertFloatArraysEqual(self.mll.getInfluenceWeights(layerId,1),[0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0])
@insideMayaOnly
def testOverwriteWeightsCrashesMaya(self):
testUtils.openMayaFile("genericSkinnedMesh.mb")
self.mll.setCurrentMesh("mesh|pPlane1")
self.mll.initLayers()
layerId = self.mll.createLayer("initial weights",forceEmpty=True)
weights = [1.0]*self.mll.getVertCount()
weights[0] = 0.7
weights[1] = 0.5
weights[2] = 0.3
self.mll.setInfluenceWeights(layerId, 0, weights)
self.assertFloatArraysEqual(self.mll.getInfluenceWeights(layerId, 0)[0:3], [0.7,0.5,0.3])
self.mll.setInfluenceWeights(layerId, 1, weights)
self.assertFloatArraysEqual(weights,self.mll.getInfluenceWeights(layerId, 1))
# previous influence should have some of it's value substracted
self.assertFloatArraysEqual(self.mll.getInfluenceWeights(layerId, 0)[0:3], [0.3,0.5,0.3])
@insideMayaOnly
def testAddManualMirrorInfluences(self):
testUtils.openMayaFile("genericSkinnedMesh.mb")
self.mll.setCurrentMesh("mesh|pPlane1")
self.mll.initLayers()
layerId = self.mll.createLayer("initial weights")
result = self.mll.listManualMirrorInfluenceAssociations()
self.assertArraysEqual(result, [])
self.mll.addManualMirrorInfluenceAssociation("L_joint1", "R_joint1")
self.mll.addManualMirrorInfluenceAssociation("R_joint1", "L_joint1")
result = self.mll.listManualMirrorInfluenceAssociations()
self.assertDictionariesEqual(result, {"L_joint1":"R_joint1","R_joint1":"L_joint1"})
@insideMayaOnly
def testSetMaxInfluencePerVertex(self):
testUtils.openMayaFile("genericSkinnedMesh.mb")
self.mll.setCurrentMesh("mesh|pPlane1")
self.mll.initLayers()
layerId = self.mll.createLayer("initial weights")
self.assertEqual(self.mll.getInfluenceLimitPerVertex(),0,"initial limit per vertex should be zero")
self.mll.setInfluenceLimitPerVertex(10)
self.assertEqual(self.mll.getInfluenceLimitPerVertex(),10,"was not able to set limit to the desired value")
self.mll.setInfluenceLimitPerVertex(2)
self.assertEqual(self.mll.getInfluenceLimitPerVertex(),2,"was not able to set limit to the desired value")
class VariousImportScenarios(AdditionalAsserts, unittest.TestCase):
def setUp(self):
self.targetMesh = 'testMesh'
self.numVerts = 169 # number of verts in our mesh
self.mll = MllInterface()
unittest.TestCase.setUp(self)
openMayaFile('simplemirror.ma')
cmds.hide("|y_axis")
cmds.showHidden("|x_axis")
self.mll.setCurrentMesh(self.targetMesh)
self.mll.initLayers()
self.mll.createLayer("original weights")
self.model = ie.LayerData()
self.layer = ie.Layer()
self.layer.opacity = 1.0
self.layer.enabled = True
self.layer.mask = [0.0] * self.numVerts
self.layer.mask[1] = 0.9
self.layer.mask[5] = 0.5566
self.layer.name = "imported layer"
self.model.addLayer(self.layer)
self.infl = ie.Influence()
self.layer.addInfluence(self.infl)
self.infl.influenceName = "x_axis|root|R_joint1"
self.infl.logicalIndex = 666 # use nonsense value
self.infl.weights = [0.1] * self.numVerts
self.infl.weights[3] = 0.688
self.infl.weights[4] = 0.345
@decorators.insideMayaOnly
def testSave(self):
self.model.saveTo(self.targetMesh)
layers = list(self.mll.listLayers())
id, name = layers[0]
self.assertEquals("imported layer", name)
self.assertFloatArraysEqual(self.mll.getLayerMask(id), self.layer.mask)
self.assertFloatArraysEqual(
self.mll.getInfluenceWeights(id, self.infl.logicalIndex),
self.infl.weights)
@decorators.insideMayaOnly
def testEmptyMask(self):
self.layer.mask = []
self.model.saveTo(self.targetMesh)
@decorators.insideMayaOnly
def testInvalidVertCount(self):
self.infl.weights = self.infl.weights[:-1]
with self.assertRaises(
Exception,
"Invalid weights count for influence 'x_axis|root|R_joint1' in layer 'imported layer': expected size is 169"
):
self.model.saveTo(self.targetMesh)
@decorators.insideMayaOnly
def testInvalidMaskCount(self):
self.layer.mask = self.layer.mask[:-1]
with self.assertRaises(
Exception,
"Invalid vertex count for mask in layer 'imported layer': expected size is 169"
):
self.model.saveTo(self.targetMesh)
@decorators.insideMayaOnly
def testInvalidMesh(self):
with self.assertRaises(Exception, "could not initialize layers"):
self.model.saveTo("persp")
@decorators.insideMayaOnly
def testUninitializedLayers(self):
'''
if layers on mesh were uninitialized, just initialize layers as usual, and do not fail
'''
LayerUtils.deleteCustomNodes()
self.model.saveTo(self.targetMesh)
@decorators.insideMayaOnly
def testMissingInfluence(self):
self.infl.influenceName = "something_is_missing_here"
with self.assertRaises(
MessageException,
"Could not find influence 'something_is_missing_here' in skinCluster1"
):
self.model.saveTo(self.targetMesh)
