diff --git a/openpype/hosts/houdini/plugins/create/create_vbd_cache.py b/openpype/hosts/houdini/plugins/create/create_vbd_cache.py index c015cebd49..9c96e48e3a 100644 --- a/openpype/hosts/houdini/plugins/create/create_vbd_cache.py +++ b/openpype/hosts/houdini/plugins/create/create_vbd_cache.py @@ -33,7 +33,7 @@ class CreateVDBCache(plugin.HoudiniCreator): } if self.selected_nodes: - parms["soppath"] = self.selected_nodes[0].path() + parms["soppath"] = self.get_sop_node_path(self.selected_nodes[0]) instance_node.setParms(parms) @@ -42,3 +42,63 @@ class CreateVDBCache(plugin.HoudiniCreator): hou.ropNodeTypeCategory(), hou.sopNodeTypeCategory() ] + + def get_sop_node_path(self, selected_node): + """Get Sop Path of the selected node. + + Although Houdini allows ObjNode path on `sop_path` for the + the ROP node, we prefer it set to the SopNode path explicitly. + """ + + # Allow sop level paths (e.g. /obj/geo1/box1) + if isinstance(selected_node, hou.SopNode): + self.log.debug( + "Valid SopNode selection, 'SOP Path' in ROP will" + " be set to '%s'.", selected_node.path() + ) + return selected_node.path() + + # Allow object level paths to Geometry nodes (e.g. /obj/geo1) + # but do not allow other object level nodes types like cameras, etc. + elif isinstance(selected_node, hou.ObjNode) and \ + selected_node.type().name() == "geo": + + # Try to find output node. + sop_node = self.get_obj_output(selected_node) + if sop_node: + self.log.debug( + "Valid ObjNode selection, 'SOP Path' in ROP will " + "be set to the child path '%s'.", sop_node.path() + ) + return sop_node.path() + + self.log.debug( + "Selection isn't valid. 'SOP Path' in ROP will be empty." + ) + return "" + + def get_obj_output(self, obj_node): + """Try to find output node. + + If any output nodes are present, return the output node with + the minimum 'outputidx' + If no output nodes are present, return the node with display flag + If no nodes are present at all, return None + """ + + outputs = obj_node.subnetOutputs() + + # if obj_node is empty + if not outputs: + return + + # if obj_node has one output child whether its + # sop output node or a node with the render flag + elif len(outputs) == 1: + return outputs[0] + + # if there are more than one, then it has multiple output nodes + # return the one with the minimum 'outputidx' + else: + return min(outputs, + key=lambda node: node.evalParm('outputidx'))