Fixes for 3.4

file/copybuffer_flatten.py

@@ -1,6 +1,13 @@
 import bpy
 import re
-from ..helpers import get_context, select_only, load_selection, save_selection, swap_object_names
+from ..helpers import (
+    get_context,
+    load_selection,
+    save_selection,
+    select_only,
+    swap_object_names,
+    try_call,
+)
 
 # TODO
 # - Make flattening optional and rename to Copy Advanced
@@ -20,14 +27,6 @@ def clear_pointers(obj):
             if getattr(obj, prop_id) != my_data:
                 setattr(obj, prop_id, None)
 
-def try_call(f, *args, **kwargs):
-    try:
-        f(*args, **kwargs)
-        return True
-    except RuntimeError:
-        pass
-    return False
-
 class GRET_OT_copybuffer_flatten(bpy.types.Operator):
     #tooltip
     """Selected objects alone are copied to the clipboard, even if they reference other objects.

helpers.py

@@ -441,6 +441,14 @@ def wrapper(*args, **kwargs):
     else:
         return decorator(_func)
 
+def try_call(f, *args, **kwargs):
+    try:
+        f(*args, **kwargs)
+        return True
+    except RuntimeError:
+        pass
+    return False
+
 def get_export_path(path, fields):
     """Returns an absolute path from an export path."""
 

jobs/rig_export.py

@@ -299,11 +299,9 @@ def should_apply_modifier(modifier):
                 obj.data.name = job.export_collection.name
             job.export_collection.objects.link(obj)
             context.scene.collection.objects.unlink(obj)
-            # Disable features on output meshes for performance
+            # Auto-smooth has a noticeable impact in performance while animating,
+            # disable unless the user explicitly enabled it back in the previous build result
             obj.data.use_auto_smooth = use_auto_smooth
-            obj.data.use_customdata_vertex_bevel = False
-            obj.data.use_customdata_edge_bevel = False
-            obj.data.use_customdata_edge_crease = False
             # Don't delete this
             self.new_objs.discard(obj)
             self.new_meshes.discard(obj.data)

mesh/collision.py

@@ -11,7 +11,7 @@
     get_point_dist_to_line_sq,
     get_range_pct,
 )
-from ..helpers import get_collection, TempModifier
+from ..helpers import try_call, get_context, get_collection, TempModifier
 
 # make_collision TODO:
 # - Non-axis aligned boxes
@@ -34,19 +34,33 @@ def find_free_col_name(prefix, name):
             break
     return col_name
 
+def clear_customdata(obj, sculpt_mask_data=True, skin_data=True, custom_split_normals=True,
+    edge_bevel_weight=True, vertex_bevel_weight=True, edge_crease=True, vertex_crease=True):
+    ctx = get_context(obj)
+    if sculpt_mask_data:
+        try_call(bpy.ops.mesh.customdata_mask_clear, ctx)
+    if skin_data:
+        try_call(bpy.ops.mesh.customdata_skin_clear, ctx)
+    if custom_split_normals:
+        try_call(bpy.ops.mesh.customdata_custom_splitnormals_clear, ctx)
+    if edge_bevel_weight:
+        try_call(bpy.ops.mesh.customdata_bevel_weight_edge_clear, ctx)
+    if vertex_bevel_weight:
+        try_call(bpy.ops.mesh.customdata_bevel_weight_vertex_clear, ctx)
+    if edge_crease:
+        try_call(bpy.ops.mesh.customdata_crease_edge_clear, ctx)
+    if vertex_crease:
+        try_call(bpy.ops.mesh.customdata_crease_vertex_clear, ctx)
+
 def remove_extra_data(obj):
     assert obj.type == 'MESH'
 
     obj.vertex_groups.clear()
     obj.shape_key_clear()
+    clear_customdata(obj)
 
     mesh = obj.data
-    mesh.use_customdata_vertex_bevel = False
-    mesh.use_customdata_edge_bevel = False
-    mesh.use_customdata_edge_crease = False
-
-    # mesh.materials.clear() seems to crash
-    while mesh.materials:
+    while mesh.materials:  # mesh.materials.clear() seems to crash
         mesh.materials.pop()
     while mesh.uv_layers.active:
         mesh.uv_layers.remove(mesh.uv_layers.active)

mesh/extra_objects.py

@@ -284,7 +284,6 @@ def execute(self, context):
         mesh.from_pydata(vertices, [], faces)
         for face in mesh.polygons:
             face.use_smooth = self.use_smooth_shade
-        mesh.use_customdata_edge_crease = True
         mesh.use_auto_smooth = True
         mesh.auto_smooth_angle = pi
         for edge in (mesh.edges[4], mesh.edges[8]):
@@ -318,7 +317,7 @@ def execute(self, context):
         mod.deform_axis = 'Z'
 
         mod = obj.modifiers.new(type='ARRAY', name="")
-        mod.count = self.number_of_rows
+        mod.count = self.rows
         mod.relative_offset_displace = [0.0, 0.0, 1.0]
         mod.use_merge_vertices = True
         mod.merge_threshold = 1e-5