updating the loader so that the version will work in scene inventory

openpype/hosts/max/plugins/load/load_max_scene.py

@@ -47,8 +47,7 @@ class MaxSceneLoader(load.LoaderPlugin):
 
         path = get_representation_path(representation)
         node = rt.getNodeByName(container["instance_node"])
-
-        max_objects = self.get_container_children(node)
+        max_objects = node.Children
         for max_object in max_objects:
             max_object.source = path
 

openpype/hosts/max/plugins/publish/validate_no_max_content.py

@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+import pyblish.api
+from openpype.pipeline import PublishValidationError
+from pymxs import runtime as rt
+
+
+class ValidateMaxContents(pyblish.api.InstancePlugin):
+    """Validates Max contents.
+
+    Check if MaxScene container includes any contents underneath.
+    """
+
+    order = pyblish.api.ValidatorOrder
+    families = ["maxScene"]
+    hosts = ["max"]
+    label = "Max Scene Contents"
+
+    def process(self, instance):
+        invalid = self.get_invalid(instance)
+        if invalid:
+            raise PublishValidationError("No content found in the container")
+
+    def get_invalid(self, instance):
+        invalid = []
+        container = rt.getNodeByName(instance.data["instance_node"])
+        if not container.Children:
+            invalid.append(container)
+
+        return invalid