Max: Validate Mesh Has UVs

client/ayon_core/hosts/max/plugins/publish/validate_mesh_has_uv.py

@@ -0,0 +1,66 @@
+
+import pyblish.api
+from ayon_core.hosts.max.api.action import SelectInvalidAction
+from ayon_core.pipeline.publish import (
+    ValidateMeshOrder,
+    OptionalPyblishPluginMixin,
+    PublishValidationError
+)
+from pymxs import runtime as rt
+
+
+class ValidateMeshHasUVs(pyblish.api.InstancePlugin,
+                         OptionalPyblishPluginMixin):
+
+    """Validate the current mesh has UVs.
+
+    This validator only checks if the mesh has UVs but not
+    whether all the individual faces of the mesh have UVs.
+
+    It validates whether the current mesh has texture vertices.
+    If the mesh does not have texture vertices, it does not
+    have UVs in Max.
+
+    """
+
+    order = ValidateMeshOrder
+    hosts = ['max']
+    families = ['model']
+    label = 'Validate Mesh Has UVs'
+    actions = [SelectInvalidAction]
+    optional = True
+
+
+    @classmethod
+    def get_invalid(cls, instance):
+        invalid_mesh_type = [member for member in instance.data["members"]
+                             if not rt.isProperty(member, "mesh")]
+        if invalid_mesh_type:
+            cls.log.error("Non-mesh type objects detected")
+            return invalid_mesh_type
+
+        invalid_uv = [member for member in instance.data["members"]
+                      if not member.mesh.numTVerts > 0]
+        if invalid_uv:
+            cls.log.error("Meshes detected with invalid UVs")
+        return invalid_uv
+
+    def process(self, instance):
+        invalid = self.get_invalid(instance)
+        if invalid:
+            bullet_point_invalid_statement = "\n".join(
+                "- {}".format(invalid.name) for invalid
+                in invalid
+            )
+            report = (
+                "Non-mesh objects found or mesh objects"
+                " do not have UVs.\n\n"
+                "Meshes detected with invalid or missing UVs:\n"
+                f"{bullet_point_invalid_statement}\n"
+            )
+            raise PublishValidationError(
+                report,
+                description=(
+                "Non-mesh objects detected or the meshes do not have any UVs.\n\n"
+                "Meshes detected with no texture vertice or missing UVs"),
+                title="Non-mesh objects found or mesh has missing UVs")

server_addon/max/server/settings/publishers.py

@@ -86,6 +86,10 @@ class PublishersModel(BaseSettingsModel):
         default_factory=ValidateLoadedPluginModel,
         title="Validate Loaded Plugin"
     )
+    ValidateMeshHasUVs: BasicValidateModel = SettingsField(
+        default_factory=BasicValidateModel,
+        title="Validate Mesh Has UVs"
+    )
     ExtractModelObj: BasicValidateModel = SettingsField(
         default_factory=BasicValidateModel,
         title="Extract OBJ",
@@ -134,6 +138,11 @@ class PublishersModel(BaseSettingsModel):
         "optional": True,
         "family_plugins_mapping": []
     },
+    "ValidateMeshHasUVs": {
+        "enabled": True,
+        "optional": True,
+        "active": False
+    },
     "ExtractModelObj": {
         "enabled": True,
         "optional": True,

server_addon/max/server/version.py

@@ -1 +1 @@
-__version__ = "0.1.5"
+__version__ = "0.1.6"