328 lines
11 KiB
Python
328 lines
11 KiB
Python
|
# Copyright Epic Games, Inc. All Rights Reserved.
|
||
|
|
import os
|
||
|
|
import json
|
||
|
|
from maya import cmds
|
||
|
|
|
||
|
|
from special_projects.publish_tools.fbx_cmd import fbx_export
|
||
|
|
from special_projects.publish_tools.utils import find_top_joints
|
||
|
|
|
||
|
|
from special_projects.rigging.rbf_node import RBFNode
|
||
|
|
|
||
|
|
|
||
|
|
class RBFNodeExporter(object):
|
||
|
|
"""
|
||
|
|
Utility class to export a RBFsolver node, exports a JSON and FBX
|
||
|
|
|
||
|
|
>>> from special_projects.rigging.rbf_node.export import RBFNodeExporter
|
||
|
|
>>> node = 'my_UE4RBFSolver_node'
|
||
|
|
>>> asset_name = 'my_asset_name'
|
||
|
|
>>> export_directory = 'my:/export/directory'
|
||
|
|
>>> exporter = RBFNodeExporter(node, asset_name, export_directory)
|
||
|
|
>>> exporter.export()
|
||
|
|
|
||
|
|
Result:
|
||
|
|
export_directory/node.json
|
||
|
|
export_directory/node.fbx
|
||
|
|
"""
|
||
|
|
|
||
|
|
def __init__(self, node, asset_name, export_directory):
|
||
|
|
"""
|
||
|
|
Initialize RBF Exporter
|
||
|
|
"""
|
||
|
|
|
||
|
|
self.set_node(node)
|
||
|
|
self.set_asset_name(asset_name)
|
||
|
|
self.set_export_directory(export_directory)
|
||
|
|
self._set_fbx_export_path()
|
||
|
|
self._set_json_export_path()
|
||
|
|
|
||
|
|
def node(self):
|
||
|
|
return self._node
|
||
|
|
|
||
|
|
def set_node(self, node):
|
||
|
|
|
||
|
|
if not cmds.objectType(node, isAType=RBFNode.node_type):
|
||
|
|
raise TypeError('Invalid "{}" node: "{}"'.format(RBFNode.node_type, node))
|
||
|
|
|
||
|
|
self._node = RBFNode(node)
|
||
|
|
|
||
|
|
def asset_name(self):
|
||
|
|
return self._asset_name
|
||
|
|
|
||
|
|
def set_asset_name(self, asset_name):
|
||
|
|
self._asset_name = asset_name
|
||
|
|
|
||
|
|
def export_directory(self):
|
||
|
|
return self._export_directory
|
||
|
|
|
||
|
|
def set_export_directory(self, directory):
|
||
|
|
if os.path.isdir(directory) and os.path.exists(directory):
|
||
|
|
self._export_directory = directory
|
||
|
|
else:
|
||
|
|
raise IOError('Export directory "{}" does not exists'.format(directory))
|
||
|
|
|
||
|
|
def fbx_export_path(self):
|
||
|
|
return self._fbx_export_path
|
||
|
|
|
||
|
|
def _set_fbx_export_path(self):
|
||
|
|
self._fbx_export_path = os.path.join(self._export_directory, '{}.fbx'.format(self._node))
|
||
|
|
|
||
|
|
def json_export_path(self):
|
||
|
|
return self._json_export_path
|
||
|
|
|
||
|
|
def _set_json_export_path(self):
|
||
|
|
self._json_export_path = os.path.join(self._export_directory, '{}.json'.format(self._node))
|
||
|
|
|
||
|
|
# -------------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
def export(self):
|
||
|
|
"""
|
||
|
|
Exports FBX and sidecar JSON file
|
||
|
|
"""
|
||
|
|
|
||
|
|
self.fbx_export()
|
||
|
|
self.json_export()
|
||
|
|
|
||
|
|
def json_export(self):
|
||
|
|
"""
|
||
|
|
Exports JSON sidecar
|
||
|
|
"""
|
||
|
|
|
||
|
|
self.node().name_unnamed_poses()
|
||
|
|
|
||
|
|
config = self._node.data()
|
||
|
|
config['export_fbx'] = self.fbx_export_path()
|
||
|
|
config['asset_name'] = self.asset_name()
|
||
|
|
|
||
|
|
with open(self.json_export_path(), 'w') as outfile:
|
||
|
|
json.dump(config, outfile, sort_keys=0, indent=4, separators=(",", ":"))
|
||
|
|
|
||
|
|
def fbx_export(self):
|
||
|
|
"""
|
||
|
|
Exports baked poses to FBX
|
||
|
|
"""
|
||
|
|
|
||
|
|
self.node().name_unnamed_poses()
|
||
|
|
|
||
|
|
self.bake_poses()
|
||
|
|
cmds.select(self.root_joint())
|
||
|
|
fbx_export(self.fbx_export_path(),
|
||
|
|
animation=True,
|
||
|
|
bake_complex_animation=True,
|
||
|
|
bake_complex_start=0,
|
||
|
|
bake_complex_end=cmds.playbackOptions(q=True, maxTime=True),
|
||
|
|
up_axis='z')
|
||
|
|
|
||
|
|
# -------------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
def blendshape_nodes(self):
|
||
|
|
"""
|
||
|
|
Finds blendshape nodes from driven attributes
|
||
|
|
"""
|
||
|
|
|
||
|
|
driven_attributes = self._node.driven_attributes(type='blendShape')
|
||
|
|
|
||
|
|
blendshape_nodes = list()
|
||
|
|
for output in driven_attributes:
|
||
|
|
for attribute in output:
|
||
|
|
blendshape_nodes.append(attribute.split('.')[0])
|
||
|
|
|
||
|
|
return list(set(blendshape_nodes))
|
||
|
|
|
||
|
|
def meshes(self):
|
||
|
|
"""
|
||
|
|
Finds meshes from blendshape nodes
|
||
|
|
"""
|
||
|
|
|
||
|
|
meshes = list()
|
||
|
|
|
||
|
|
blendShapes = self.blendshape_nodes()
|
||
|
|
if blendShapes:
|
||
|
|
for blendShape in blendShapes:
|
||
|
|
meshes.extend(cmds.deformer(blendShape, q=True, geometry=True))
|
||
|
|
|
||
|
|
meshes = list(set(meshes))
|
||
|
|
meshes = cmds.listRelatives(meshes, parent=True)
|
||
|
|
|
||
|
|
return meshes
|
||
|
|
|
||
|
|
def root_joint(self):
|
||
|
|
"""
|
||
|
|
Finds root joint from meshes
|
||
|
|
"""
|
||
|
|
|
||
|
|
meshes = self.meshes()
|
||
|
|
if meshes:
|
||
|
|
skeleton = list()
|
||
|
|
for mesh in meshes:
|
||
|
|
skin_cluster = cmds.ls(cmds.findDeformers(mesh), type='skinCluster')
|
||
|
|
if skin_cluster:
|
||
|
|
skin_cluster = skin_cluster[0]
|
||
|
|
influences = cmds.skinCluster(skin_cluster, q=True, inf=True)
|
||
|
|
if influences:
|
||
|
|
skeleton.extend(influences)
|
||
|
|
else:
|
||
|
|
raise RuntimeError('No influences found for "{}"'.format(skin_cluster))
|
||
|
|
else:
|
||
|
|
cmds.warning('No skinCluster found for "{}"'.format(mesh))
|
||
|
|
|
||
|
|
root_joints = find_top_joints(skeleton)
|
||
|
|
|
||
|
|
else:
|
||
|
|
skeleton = self._node.drivers()
|
||
|
|
# for driver in self._node.drivers():
|
||
|
|
# driven = driver.replace('_drv', '')
|
||
|
|
# if cmds.objExists(driven):
|
||
|
|
# skeleton.append(driven)
|
||
|
|
|
||
|
|
root_joints = find_top_joints(skeleton)
|
||
|
|
|
||
|
|
if not root_joints:
|
||
|
|
raise RuntimeError('No root joint found for "{}"'.format(self._node))
|
||
|
|
|
||
|
|
return root_joints[0]
|
||
|
|
|
||
|
|
def add_root_attributes(self, root_joint):
|
||
|
|
"""
|
||
|
|
Adds RBFNode driven attributes to root_joint
|
||
|
|
"""
|
||
|
|
|
||
|
|
pose_root_attributes = dict()
|
||
|
|
|
||
|
|
poses = self._node.poses()
|
||
|
|
for pose in poses:
|
||
|
|
driven_attributes = self._node.pose_driven_attributes(pose) # add type flag!
|
||
|
|
current_pose = list()
|
||
|
|
for attribute in driven_attributes:
|
||
|
|
node, target = attribute.split('.')
|
||
|
|
root_attribute = '{}.{}'.format(root_joint, target)
|
||
|
|
if root_attribute not in current_pose:
|
||
|
|
if not cmds.objExists(root_attribute):
|
||
|
|
cmds.addAttr(root_joint, ln=target, at='double', k=True)
|
||
|
|
else:
|
||
|
|
input_connection = cmds.listConnections(root_attribute, s=True, d=False, plugs=True)
|
||
|
|
if input_connection:
|
||
|
|
cmds.disconnectAttr(input_connection[0], root_attribute)
|
||
|
|
|
||
|
|
# cmds.connectAttr(attribute, root_attribute)
|
||
|
|
current_pose.append(root_attribute)
|
||
|
|
|
||
|
|
pose_root_attributes[pose] = current_pose
|
||
|
|
|
||
|
|
return pose_root_attributes
|
||
|
|
|
||
|
|
def bake_poses(self):
|
||
|
|
"""
|
||
|
|
Bakes the RBFNode poses in the timeline for FBX export
|
||
|
|
"""
|
||
|
|
|
||
|
|
for anim_curve_type in ['animCurveTL', 'animCurveTA', 'animCurveTU']:
|
||
|
|
cmds.delete(cmds.ls(type=anim_curve_type))
|
||
|
|
|
||
|
|
pose_root_attributes = self.add_root_attributes(self.root_joint())
|
||
|
|
|
||
|
|
for frame, pose in enumerate(self._node.poses()):
|
||
|
|
|
||
|
|
# go to pose
|
||
|
|
self._node.go_to_pose(pose)
|
||
|
|
|
||
|
|
# key controllers
|
||
|
|
if self._node.num_controllers():
|
||
|
|
for controller in self._node.controllers():
|
||
|
|
cmds.setKeyframe(controller, t=frame, inTangentType='linear', outTangentType='step')
|
||
|
|
|
||
|
|
# or key drivers
|
||
|
|
else:
|
||
|
|
for driver in self._node.drivers():
|
||
|
|
cmds.setKeyframe(driver, t=frame, inTangentType='linear', outTangentType='step')
|
||
|
|
|
||
|
|
root_attributes = pose_root_attributes.get(pose, [])
|
||
|
|
|
||
|
|
for root_attribute in root_attributes:
|
||
|
|
|
||
|
|
input_connection = cmds.listConnections(root_attribute, s=True, d=False, plugs=True)
|
||
|
|
if input_connection:
|
||
|
|
cmds.disconnectAttr(input_connection[0], root_attribute)
|
||
|
|
|
||
|
|
# Key Driven Before/After
|
||
|
|
cmds.setAttr(root_attribute, 0)
|
||
|
|
|
||
|
|
if frame == len(self._node.poses()) - 1:
|
||
|
|
cmds.setKeyframe(root_attribute, t=(frame - 1), inTangentType='linear', outTangentType='linear')
|
||
|
|
else:
|
||
|
|
cmds.setKeyframe(root_attribute, t=((frame - 1), (frame + 1)), inTangentType='linear',
|
||
|
|
outTangentType='linear')
|
||
|
|
|
||
|
|
# Key Driven
|
||
|
|
cmds.setAttr(root_attribute, 1)
|
||
|
|
cmds.setKeyframe(root_attribute, t=frame, inTangentType='linear', outTangentType='linear')
|
||
|
|
|
||
|
|
# set start-end frames
|
||
|
|
end_frame = len(self._node.poses()) - 1
|
||
|
|
cmds.playbackOptions(minTime=0, maxTime=end_frame, animationStartTime=0, animationEndTime=end_frame)
|
||
|
|
cmds.dgdirty(a=True)
|
||
|
|
|
||
|
|
|
||
|
|
class RBFPoseExporterBatch(object):
|
||
|
|
"""
|
||
|
|
Utility class to export multiple RBFsolver nodes, exports a JSON and FBX for each solver
|
||
|
|
|
||
|
|
>>> solvers = cmds.ls(type='UE4RBFSolverNode')
|
||
|
|
>>> rig_scene = r'D:\Build\UE5_Main\Collaboration\Frosty\ArtSource\Character\Hero\Kenny\Rig\Kenny_Rig.ma'
|
||
|
|
>>> export_directory = r'D:\test\class'
|
||
|
|
>>> asset_name = 'Kenny'
|
||
|
|
>>> rbf_exporter_batch = RBFPoseExporterBatch(solvers, asset_name, export_directory, rig_scene)
|
||
|
|
|
||
|
|
Result:
|
||
|
|
export_directory/node1.json
|
||
|
|
export_directory/node1.fbx
|
||
|
|
export_directory/node2.json
|
||
|
|
export_directory/node2.fbx
|
||
|
|
"""
|
||
|
|
|
||
|
|
def __init__(self, nodes, asset_name, export_directory, rig_scene):
|
||
|
|
self.set_pose_exporter(nodes, asset_name, export_directory)
|
||
|
|
self.set_rig_scene(rig_scene)
|
||
|
|
|
||
|
|
def pose_exporter(self):
|
||
|
|
return self._poseExporter
|
||
|
|
|
||
|
|
def asset_name(self):
|
||
|
|
return self._asset_name
|
||
|
|
|
||
|
|
def export_directory(self):
|
||
|
|
return self._export_directory
|
||
|
|
|
||
|
|
def set_pose_exporter(self, nodes, asset_name, export_directory):
|
||
|
|
if not hasattr(nodes, '__iter__'):
|
||
|
|
nodes = [nodes]
|
||
|
|
|
||
|
|
exporters = list()
|
||
|
|
for node in nodes:
|
||
|
|
if cmds.objectType(node, isAType=RBFNodeExporter.node_type):
|
||
|
|
exporters.append(RBFNodeExporter(node, asset_name, export_directory))
|
||
|
|
|
||
|
|
if not len(exporters):
|
||
|
|
raise RuntimeError('No valid {} objects found'.format(RBFNodeExporter.node_type))
|
||
|
|
|
||
|
|
self._poseExporter = exporters
|
||
|
|
self._asset_name = asset_name
|
||
|
|
self._export_directory = export_directory
|
||
|
|
|
||
|
|
def rig_scene(self):
|
||
|
|
return self._rig_scene
|
||
|
|
|
||
|
|
def set_rig_scene(self, rig_scene):
|
||
|
|
if not os.path.exists(rig_scene):
|
||
|
|
raise IOError('Rig scene "{}" does not exists'.format(rig_scene))
|
||
|
|
|
||
|
|
self._rig_scene = rig_scene
|
||
|
|
|
||
|
|
# -------------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
def export(self, run_in_subprocess=True):
|
||
|
|
# TO-DO: Implement run_in_subprocess
|
||
|
|
for exporter in self.pose_exporter():
|
||
|
|
cmds.file(self.rig_scene(), open=True, force=True)
|
||
|
|
exporter.export()
|