Cool_Tools/io_scene_psk_psa
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Attempted fix for no-weight issue

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This commit is contained in:
Colin Basnett 2024-07-26 00:58:40 -07:00
parent 10a25dc036
commit e79af9e8e3
1 changed files with 16 additions and 0 deletions
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16
io_scene_psk_psa/psk/builder.py
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@ -311,6 +311,12 @@ def build_psk(context, input_objects: PskInputObjects, options: PskBuildOptions)
break break
except ValueError: except ValueError:
bone = bone.parent bone = bone.parent
# Keep track of which vertices have been assigned weights.
# The ones that have not been assigned weights will be assigned to the root bone.
# Without this, some older versions of UnrealEd may have corrupted meshes.
vertices_assigned_weights = np.full(len(mesh_data.vertices), False)
for vertex_group_index, vertex_group in enumerate(mesh_object.vertex_groups): for vertex_group_index, vertex_group in enumerate(mesh_object.vertex_groups):
if vertex_group_index not in vertex_group_bone_indices: if vertex_group_index not in vertex_group_bone_indices:
# Vertex group has no associated bone, skip it. # Vertex group has no associated bone, skip it.
@ -328,6 +334,16 @@ def build_psk(context, input_objects: PskInputObjects, options: PskBuildOptions)
w.point_index = vertex_offset + vertex_index w.point_index = vertex_offset + vertex_index
w.weight = weight w.weight = weight
psk.weights.append(w) psk.weights.append(w)
vertices_assigned_weights[vertex_index] = True
# Assign vertices that have not been assigned weights to the root bone.
for vertex_index, assigned in enumerate(vertices_assigned_weights):
if not assigned:
w = Psk.Weight()
w.bone_index = 0
w.point_index = vertex_offset + vertex_index
w.weight = 1.0
psk.weights.append(w)
if options.object_eval_state == 'EVALUATED': if options.object_eval_state == 'EVALUATED':
bpy.data.objects.remove(mesh_object) bpy.data.objects.remove(mesh_object)