Added VDB cache loader

colorbleed/plugins/maya/load/load_vdb_to_vray.py

@@ -0,0 +1,64 @@
+from avalon import api
+# import colorbleed.maya.plugin
+
+
+class LoadVDBtoVRay(api.Loader):
+
+    families = ["colorbleed.vdbcache"]
+    representations = ["vdb"]
+
+    name = "Load VDB to VRay"
+    icon = "cloud"
+    color = "orange"
+
+    def load(self, context, name, namespace, data):
+
+        # import pprint
+        from maya import cmds
+        import avalon.maya.lib as lib
+        from avalon.maya.pipeline import containerise
+
+        # Check if viewport drawing engine is Open GL Core (compat)
+        render_engine = None
+        compatible = "OpenGLCoreProfileCompat"
+        if cmds.optionVar(exists="vp2RenderingEngine"):
+            render_engine = cmds.optionVar(query="vp2RenderingEngine")
+
+        if not render_engine or render_engine != compatible:
+            raise RuntimeError("Current scene's settings are incompatible."
+                               "See Preferences > Display > Viewport 2.0 to "
+                               "set the render engine to '%s'" % compatible)
+
+        asset = context['asset']
+        version = context["version"]
+
+        asset_name = asset["name"]
+        namespace = namespace or lib.unique_namespace(
+            asset_name + "_",
+            prefix="_" if asset_name[0].isdigit() else "",
+            suffix="_",
+        )
+
+        # Root group
+        label = "{}:{}".format(namespace, name)
+        root = cmds.group(name=label, empty=True)
+
+        # Create VR
+        grid_node = cmds.createNode("VRayVolumeGrid",
+                                    name="{}VVGShape".format(label),
+                                    parent=root)
+
+        # Set attributes
+        cmds.setAttr("{}.inFile".format(grid_node), self.fname, type="string")
+        cmds.setAttr("{}.inReadOffset".format(grid_node),
+                     version["startFrames"])
+
+        nodes = [root, grid_node]
+        self[:] = nodes
+
+        return containerise(
+            name=name,
+            namespace=namespace,
+            nodes=nodes,
+            context=context,
+            loader=self.__class__.__name__)