So I was able to use the RBDtoFBX from the Game Dev Toolset shelf to export my baked sim from Houdini into Maya. Then I was able to use this python script in Maya to automatically convert each object piece into a bone and have it auto skinned.
import maya.cmds as mc
def bakeToSkeleton():
#Set up selection
selection = mc.ls(sl = True)
mc.select(cl=True)
jointList = []
locList = []
duplicateList = []
rootJoint = "rootJoint"
#Create and attach Skeleton to meshes
if mc.objExists("rootJoint")==False:
rootJoint = "rootJoint"
mc.joint(n=rootJoint, p=(0, 0, 0))
mc.select(cl=True)
for selected in selection:
if "|" in selected:
nice_name = selected.split("|")
nice_name = nice_name[1]
else:
nice_name = selected
locName = nice_name + "_Loc"
jointName = nice_name + "_joint"
mc.joint(n=jointName, p=(0, 0, 0))
mc.parent(jointName, rootJoint)
mc.spaceLocator(n=locName, p=(0, 0, 0))
mc.pointConstraint(selected,locName)
mc.orientConstraint(selected,locName)
mc.scaleConstraint(selected,locName)
locList.append(locName)
jointList.append(jointName)
mc.select(cl=True)
#Bake Animation to joints and remove constraints
animStartTime = mc.playbackOptions(q=True, minTime=True)
animEndTime = mc.playbackOptions(q=True, maxTime=True)
currentFrame = animStartTime
while(currentFrame <= animEndTime):
i = 0
while(i < len(locList)):
currentT = mc.getAttr(locList[i] + ".translate")
currentR = mc.getAttr(locList[i] + ".rotate")
currentS = mc.getAttr(locList[i] + ".scale")
mc.setKeyframe(jointList[i], at = "translateX", v = currentT[0][0])
mc.setKeyframe(jointList[i], at = "translateY", v = currentT[0][1])
mc.setKeyframe(jointList[i], at = "translateZ", v = currentT[0][2])
mc.setKeyframe(jointList[i], at = "rotateX", v = currentR[0][0])
mc.setKeyframe(jointList[i], at = "rotateY", v = currentR[0][1])
mc.setKeyframe(jointList[i], at = "rotateZ", v = currentR[0][2])
mc.setKeyframe(jointList[i], at = "scaleX", v = currentS[0][0])
mc.setKeyframe(jointList[i], at = "scaleY", v = currentS[0][1])
mc.setKeyframe(jointList[i], at = "scaleZ", v = currentS[0][2])
i += 1
mc.currentTime(currentFrame, e = True)
currentFrame += 1
#Duplicate and attach mesh to joints
i = 0
while i<len(selection):
if "|" in selection[i]:
nice_dup_name = selection[i].split("|")
nice_dup_name = nice_dup_name[1]
else:
nice_dup_name = selection[i]
dupName = nice_dup_name + "_baked"
#mc.duplicate(selection[i], n= dupName)
shapes = mc.listRelatives(selection[i], s = True)
tmp = mc.instance(shapes[0])
mc.duplicate(tmp, n=dupName)
mc.delete(tmp)
mc.parent(dupName, world = True)
mc.makeIdentity(apply = True)
duplicateList.append(dupName)
mc.select(dupName, jointList[i])
mc.skinCluster(toSelectedBones=True)
i+=1
#Collect and clean up scene
for i in locList:
mc.delete(i)
mc.group("rootJoint", duplicateList, n="Baked Simulation Contents")
mc.setAttr("Baked_Simulation_Contents.sz",keyable = False,lock=True, channelBox = False)
mc.setAttr("Baked_Simulation_Contents.sy",keyable = False,lock=True, channelBox = False)
mc.setAttr("Baked_Simulation_Contents.sx",keyable = False,lock=True, channelBox = False)
mc.setAttr("Baked_Simulation_Contents.tz",keyable = False,lock=True, channelBox = False)
mc.setAttr("Baked_Simulation_Contents.ty",keyable = False,lock=True, channelBox = False)
mc.setAttr("Baked_Simulation_Contents.tx",keyable = False,lock=True, channelBox = False)
mc.setAttr("Baked_Simulation_Contents.rz",keyable = False,lock=True, channelBox = False)
mc.setAttr("Baked_Simulation_Contents.ry",keyable = False,lock=True, channelBox = False)
mc.setAttr("Baked_Simulation_Contents.rx",keyable = False,lock=True, channelBox = False)
for i in selection:
mc.hide(i)
print i
print "Baked Animation To Skeleton Conversion Done"
bakeToSkeleton()
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