97 lines
2.9 KiB
Python
97 lines
2.9 KiB
Python
|
# SPDX-License-Identifier: GPL-2.0-or-later
|
||
|
|
import bpy
|
||
|
|
|
||
|
|
|
||
|
|
# FEATURE: Delete Materials not assigned to any verts
|
||
|
|
class AMTH_OBJECT_OT_material_remove_unassigned(bpy.types.Operator):
|
||
|
|
|
||
|
|
"""Remove materials not assigned to any vertex"""
|
||
|
|
bl_idname = "object.amaranth_object_material_remove_unassigned"
|
||
|
|
bl_label = "Remove Unassigned Materials"
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def poll(cls, context):
|
||
|
|
return context.active_object.material_slots
|
||
|
|
|
||
|
|
def execute(self, context):
|
||
|
|
|
||
|
|
scene = context.scene
|
||
|
|
act_ob = context.active_object
|
||
|
|
count = len(act_ob.material_slots)
|
||
|
|
materials_removed = []
|
||
|
|
act_ob.active_material_index = 0
|
||
|
|
is_visible = True
|
||
|
|
|
||
|
|
if act_ob not in context.visible_objects:
|
||
|
|
is_visible = False
|
||
|
|
n = -1
|
||
|
|
for lay in act_ob.layers:
|
||
|
|
n += 1
|
||
|
|
if lay:
|
||
|
|
break
|
||
|
|
|
||
|
|
scene.layers[n] = True
|
||
|
|
|
||
|
|
for slot in act_ob.material_slots:
|
||
|
|
count -= 1
|
||
|
|
|
||
|
|
bpy.ops.object.mode_set(mode="EDIT")
|
||
|
|
bpy.ops.mesh.select_all(action="DESELECT")
|
||
|
|
act_ob.active_material_index = count
|
||
|
|
bpy.ops.object.material_slot_select()
|
||
|
|
|
||
|
|
if act_ob.data.total_vert_sel == 0 or \
|
||
|
|
(len(act_ob.material_slots) == 1 and not
|
||
|
|
act_ob.material_slots[0].material):
|
||
|
|
materials_removed.append(
|
||
|
|
"%s" %
|
||
|
|
act_ob.active_material.name if act_ob.active_material else "Empty")
|
||
|
|
bpy.ops.object.mode_set(mode="OBJECT")
|
||
|
|
bpy.ops.object.material_slot_remove()
|
||
|
|
else:
|
||
|
|
pass
|
||
|
|
|
||
|
|
bpy.ops.object.mode_set(mode="EDIT")
|
||
|
|
bpy.ops.mesh.select_all(action="DESELECT")
|
||
|
|
bpy.ops.object.mode_set(mode="OBJECT")
|
||
|
|
|
||
|
|
if materials_removed:
|
||
|
|
print(
|
||
|
|
"\n* Removed %s Unassigned Materials \n" %
|
||
|
|
len(materials_removed))
|
||
|
|
|
||
|
|
count_mr = 0
|
||
|
|
|
||
|
|
for mr in materials_removed:
|
||
|
|
count_mr += 1
|
||
|
|
print(
|
||
|
|
"%0.2d. %s" %
|
||
|
|
(count_mr, materials_removed[count_mr - 1]))
|
||
|
|
|
||
|
|
print("\n")
|
||
|
|
self.report({"INFO"}, "Removed %s Unassigned Materials" %
|
||
|
|
len(materials_removed))
|
||
|
|
|
||
|
|
if not is_visible:
|
||
|
|
scene.layers[n] = False
|
||
|
|
|
||
|
|
return {"FINISHED"}
|
||
|
|
|
||
|
|
|
||
|
|
def ui_material_remove_unassigned(self, context):
|
||
|
|
self.layout.operator(
|
||
|
|
AMTH_OBJECT_OT_material_remove_unassigned.bl_idname,
|
||
|
|
icon="X")
|
||
|
|
|
||
|
|
# // FEATURE: Delete Materials not assigned to any verts
|
||
|
|
|
||
|
|
|
||
|
|
def register():
|
||
|
|
bpy.utils.register_class(AMTH_OBJECT_OT_material_remove_unassigned)
|
||
|
|
bpy.types.MATERIAL_MT_context_menu.append(ui_material_remove_unassigned)
|
||
|
|
|
||
|
|
|
||
|
|
def unregister():
|
||
|
|
bpy.utils.unregister_class(AMTH_OBJECT_OT_material_remove_unassigned)
|
||
|
|
bpy.types.MATERIAL_MT_context_menu.remove(ui_material_remove_unassigned)
|