def selectInfluenceJoints():
try:
sel = cmds.ls(sl=1, ap=1)[0]
try:
skinNode = utils.findRelatedSkinCluster(sel)
infs = cmds.skinCluster(skinNode, q=1, inf=1)
except:
om.MGlobal.displayError("No skinCluster found in history of %s." % sel)
return
cmds.select(infs)
except:
om.MGlobal.displayError("Please select something.")
return
def solve(
numBones,
maxInfs,
targetMesh,
isAlternativeUpdate,
start,
end,
maxIters=10,
isKeepOriginal=True,
pruneBelow=0.0,
epsilon=1.0,
isDeleteDeltaMush=False,
):
"""
Args:
numBones (int)
maxInfs (int)
start (int)
end (int)
maxIters (int)
epsilon (float)
"""
try:
mesh = cmds.ls(sl=1)[0]
except:
om.MGlobal.displayError("Select mesh first.")
return
mode = 0
skinCluster = utils.findRelatedSkinCluster(mesh)
if skinCluster:
fnSkin = fnData.FnSkinCluster(skinCluster)
bones = fnSkin.listInfluences(False)
if targetMesh: # Solve transformations from existing weights
if not isAlternativeUpdate: # Alternative update transformations and weights with new mesh sequences
mode = 2
else: # Solve weights from existing transformations
targetMesh = mesh
mode = 1
cmds.ssdSolver(
mesh,
tm=targetMesh,
m=mode,
mit=maxIters,
mi=maxInfs,
ib=bones,
isc=skinCluster,
st=start,
et=end,
pb=pruneBelow,
e=epsilon,
)
else:
if isKeepOriginal:
# Duplicate a new mesh, then transfer deformation with blendshape
cmds.currentTime(start)
new_mesh = cmds.duplicate(mesh, name="%s_solved" % mesh, rc=1, rr=1)[0]
blendshape = cmds.blendShape(mesh, new_mesh, o="world")[0]
attrs = cmds.listAttr("%s.weight" % blendshape, m=1)
cmds.setAttr("%s.%s" % (blendshape, attrs[0]), 1)
mesh = new_mesh
targetMesh = mesh
cmds.ssdSolver(
mesh,
tm=targetMesh,
m=mode,
mi=maxInfs,
nb=numBones,
st=start,
et=end,
mit=maxIters,
pb=pruneBelow,
e=epsilon,
)
if isKeepOriginal:
cmds.delete(blendshape)
# postprocessing
if isDeleteDeltaMush:
deltaMushNode = utils.findRelatedDeltaMush(mesh)
if deltaMushNode:
cmds.delete(deltaMushNode)
def solve(numBones,
maxInfs,
targetMesh,
isAlternativeUpdate,
start,
end,
maxIters=10,
isKeepOriginal=True,
pruneBelow=0.0,
epsilon=1.0,
isDeleteDeltaMush=False):
"""
Args:
numBones (int)
maxInfs (int)
start (int)
end (int)
maxIters (int)
epsilon (float)
"""
try:
mesh = cmds.ls(sl=1)[0]
except:
om.MGlobal.displayError("Select mesh first.")
return
mode = 0
skinCluster = utils.findRelatedSkinCluster(mesh)
if skinCluster:
fnSkin = fnData.FnSkinCluster(skinCluster)
bones = fnSkin.listInfluences(False)
if targetMesh: # Solve transformations from existing weights
if not isAlternativeUpdate: # Alternative update transformations and weights with new mesh sequences
mode = 2
else: # Solve weights from existing transformations
targetMesh = mesh
mode = 1
cmds.ssdSolver(mesh,
tm=targetMesh,
m=mode,
mit=maxIters,
mi=maxInfs,
ib=bones,
isc=skinCluster,
st=start,
et=end,
pb=pruneBelow,
e=epsilon)
else:
if isKeepOriginal:
# Duplicate a new mesh, then transfer deformation with blendshape
cmds.currentTime(start)
new_mesh = cmds.duplicate(mesh,
name="%s_solved" % mesh,
rc=1,
rr=1)[0]
blendshape = cmds.blendShape(mesh, new_mesh, o="world")[0]
attrs = cmds.listAttr('%s.weight' % blendshape, m=1)
cmds.setAttr("%s.%s" % (blendshape, attrs[0]), 1)
mesh = new_mesh
targetMesh = mesh
cmds.ssdSolver(mesh,
tm=targetMesh,
m=mode,
mi=maxInfs,
nb=numBones,
st=start,
et=end,
mit=maxIters,
pb=pruneBelow,
e=epsilon)
if isKeepOriginal:
cmds.delete(blendshape)
# postprocessing
if isDeleteDeltaMush:
deltaMushNode = utils.findRelatedDeltaMush(mesh)
if deltaMushNode:
cmds.delete(deltaMushNode)
