def unbind(self, meshes=None, bind_pose=True):
"""
Unbinds the skin clusters from the given meshes (will use selection or all meshes in scene if None).
Stores skin cluster weights in a temp file to be rebound with the rebind method.
Args:
meshes (list): Meshes to unbind.
bind_pose (boolean): If True will move joints back to the bind pose before unbinding.
Returns:
(dictionary): All the info gathered from unbinding joints.
"""
# reset info
self.info = {}
scene_path = pm.sceneName()
scene_name = os.path.splitext(
scene_path.name)[0] + '_' if scene_path else ''
meshes = myu.validateSelect(meshes, find='mesh', parent=True)
pcu.validateDirectory(self.directory)
for mesh in meshes:
# get the skin of the mesh, if it doesnt exist then we don't need to store skin weights
mesh_name = mesh.nodeName()
skin = mesh.listHistory(type='skinCluster')
if not skin:
continue
# get the info we need to rebind the mesh: skin name, max influences, and joints influencing mesh
# stored as string in case object gets deleted and renamed after unbinding
skin = skin[0].nodeName()
max_influences = pm.skinCluster(mesh, q=True, mi=True)
joints = [
joint.nodeName()
for joint in pm.skinCluster(skin, q=True, influence=True)
]
if bind_pose:
returnToBindPose(joints)
# select mesh, export skin weights, and detach skin using MEL because pm.bindSkin(delete=True) has errors.
pm.select(mesh)
deformer_name = scene_name + mesh_name + '.xml'
path = pm.deformerWeights(deformer_name,
export=True,
deformer=skin,
path=self.directory)
pm.mel.eval('doDetachSkin "2" { "1","1" }')
self.info[mesh_name] = {
'skin': skin,
'max_influences': max_influences,
'joints': joints,
'path': path
}
pm.select(meshes)
return self.info
def onStart(export_path):
"""
Called when the export is about happen, before writing the file.
Args:
export_path (string): Path to export to.
"""
# make export directory if it does not exist already
export_directory = os.path.dirname(export_path)
pcu.validateDirectory(export_directory)
def setProject(directory):
"""
Sets the maya project. Will create a directory if one does not already exist.
Args:
directory (string): path where project will be set to.
"""
pcu.validateDirectory(directory)
pm.workspace(directory, o=True)
pm.workspace(fr=['scene', directory])
def textures():
shader = graphics.PiperShader()
textures = shader.getTextures()
for texture in textures:
export_path = paths.getGameTextureExport(texture)
pcu.validateDirectory(os.path.dirname(export_path))
shutil.copyfile(texture, export_path)
print('Copying ' + texture + ' to ' + export_path)
print('Finished copying textures ' + '=' * 40)