ayon-core/config/plugins/maya/load/load_vrayproxy.py
2018-09-13 15:11:59 +02:00

144 lines
5 KiB
Python

from avalon.maya import lib
from avalon import api
import maya.cmds as cmds
class VRayProxyLoader(api.Loader):
"""Load VRayMesh proxy"""
families = ["colorbleed.vrayproxy"]
representations = ["vrmesh"]
label = "Import VRay Proxy"
order = -10
icon = "code-fork"
color = "orange"
def load(self, context, name, namespace, data):
from avalon.maya.pipeline import containerise
from config.apps.maya.lib import namespaced
asset_name = context['asset']["name"]
namespace = namespace or lib.unique_namespace(
asset_name + "_",
prefix="_" if asset_name[0].isdigit() else "",
suffix="_",
)
# Ensure V-Ray for Maya is loaded.
cmds.loadPlugin("vrayformaya", quiet=True)
with lib.maintained_selection():
cmds.namespace(addNamespace=namespace)
with namespaced(namespace, new=False):
nodes = self.create_vray_proxy(name,
filename=self.fname)
self[:] = nodes
if not nodes:
return
return containerise(
name=name,
namespace=namespace,
nodes=nodes,
context=context,
loader=self.__class__.__name__)
def update(self, container, representation):
node = container['objectName']
assert cmds.objExists(node), "Missing container"
members = cmds.sets(node, query=True) or []
vraymeshes = cmds.ls(members, type="VRayMesh")
assert vraymeshes, "Cannot find VRayMesh in container"
filename = api.get_representation_path(representation)
for vray_mesh in vraymeshes:
cmds.setAttr("{}.fileName".format(vray_mesh),
filename,
type="string")
# Update metadata
cmds.setAttr("{}.representation".format(node),
str(representation["_id"]),
type="string")
def remove(self, container):
# Delete container and its contents
if cmds.objExists(container['objectName']):
members = cmds.sets(container['objectName'], query=True) or []
cmds.delete([container['objectName']] + members)
# Remove the namespace, if empty
namespace = container['namespace']
if cmds.namespace(exists=namespace):
members = cmds.namespaceInfo(namespace, listNamespace=True)
if not members:
cmds.namespace(removeNamespace=namespace)
else:
self.log.warning("Namespace not deleted because it "
"still has members: %s", namespace)
def switch(self, container, representation):
self.update(container, representation)
def create_vray_proxy(self, name, filename):
"""Re-create the structure created by VRay to support vrmeshes
Args:
name(str): name of the asset
Returns:
nodes(list)
"""
# Create nodes
vray_mesh = cmds.createNode('VRayMesh', name="{}_VRMS".format(name))
mesh_shape = cmds.createNode("mesh", name="{}_GEOShape".format(name))
vray_mat = cmds.createNode("VRayMeshMaterial",
name="{}_VRMM".format(name))
vray_mat_sg = cmds.createNode("shadingEngine",
name="{}_VRSG".format(name))
cmds.setAttr("{}.fileName".format(vray_mesh),
filename,
type="string")
# Create important connections
cmds.connectAttr("time1.outTime",
"{0}.currentFrame".format(vray_mesh))
cmds.connectAttr("{}.fileName2".format(vray_mesh),
"{}.fileName".format(vray_mat))
cmds.connectAttr("{}.instancing".format(vray_mesh),
"{}.instancing".format(vray_mat))
cmds.connectAttr("{}.output".format(vray_mesh),
"{}.inMesh".format(mesh_shape))
cmds.connectAttr("{}.overrideFileName".format(vray_mesh),
"{}.overrideFileName".format(vray_mat))
cmds.connectAttr("{}.currentFrame".format(vray_mesh),
"{}.currentFrame".format(vray_mat))
# Set surface shader input
cmds.connectAttr("{}.outColor".format(vray_mat),
"{}.surfaceShader".format(vray_mat_sg))
# Connect mesh to shader
cmds.sets([mesh_shape], addElement=vray_mat_sg)
group_node = cmds.group(empty=True, name="{}_GRP".format(name))
mesh_transform = cmds.listRelatives(mesh_shape,
parent=True, fullPath=True)
cmds.parent(mesh_transform, group_node)
nodes = [vray_mesh, mesh_shape, vray_mat, vray_mat_sg, group_node]
# Fix: Force refresh so the mesh shows correctly after creation
cmds.refresh()
cmds.setAttr("{}.geomType".format(vray_mesh), 2)
return nodes