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