New material cleaner
1.4.2 - feat: new material cleaner in GP layer menu with 3 options - clean material duplication (with sub option to not clear if color settings are different) - fuse material slots that have the same materials - remove empty slots
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@ -1,6 +1,13 @@
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# Changelog
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1.4.2
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- feat: new material cleaner in GP layer menu with 3 options
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- clean material duplication (with sub option to not clear if color settings are different)
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- fuse material slots that have the same materials
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- remove empty slots
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1.4.1
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- fix: custom passepartout size limit when dezooming in camera
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180
OP_palettes.py
180
OP_palettes.py
@ -282,12 +282,192 @@ class GPTB_OT_copy_active_to_selected_palette(bpy.types.Operator):
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return {"FINISHED"}
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class GPTB_OT_clean_material_stack(bpy.types.Operator):
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bl_idname = "gp.clean_material_stack"
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bl_label = "Clean Material Stack"
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bl_description = "Clean materials duplication in active GP object stack"
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bl_options = {"REGISTER", "UNDO"} # , "INTERNAL"
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use_clean_mats : bpy.props.BoolProperty(name="Remove Duplication",
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description="All duplicated material (with suffix .001, .002 ...) will be replaced by the material with clean name (if found in scene)" ,
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default=True)
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skip_different_materials : bpy.props.BoolProperty(name="Skip Different Material",
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description="Will not touch duplication if color settings are different (and show infos about skipped materials)",
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default=True)
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use_fuses_mats : bpy.props.BoolProperty(name="Fuse Materials Slots",
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description="Fuse materials slots when multiple uses same materials",
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default=True)
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remove_empty_slots : bpy.props.BoolProperty(name="Remove Empty Slots",
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description="Remove slots that haven't any material attached ",
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default=True)
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# skip_binded_empty_slots : bpy.props.BoolProperty(name="Skip Binded Empty slots",
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# description="Remove only empty slots that haven't any material attached",
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# default=False)
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@classmethod
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def poll(cls, context):
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return context.object and context.object.type == 'GPENCIL'
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def invoke(self, context, event):
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self.ob = context.object
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return context.window_manager.invoke_props_dialog(self)
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def draw(self, context):
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layout = self.layout
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box = layout.box()
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box.prop(self, 'use_clean_mats')
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if self.use_clean_mats:
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box.prop(self, 'skip_different_materials')
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# layout.separator()
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box = layout.box()
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box.prop(self, 'use_fuses_mats')
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box = layout.box()
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box.prop(self, 'remove_empty_slots')
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# if self.remove_empty_slots:
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# box.prop(self, 'skip_binded_empty_slots')
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def different_gp_mat(self, mata, matb):
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a = mata.grease_pencil
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b = matb.grease_pencil
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if a.color[:] != b.color[:]:
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return f'! {self.ob.name}: {mata.name} and {matb.name} stroke color is different'
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if a.fill_color[:] != b.fill_color[:]:
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return f'! {self.ob.name}: {mata.name} and {matb.name} fill_color color is different'
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if a.show_stroke != b.show_stroke:
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return f'! {self.ob.name}: {mata.name} and {matb.name} stroke has different state'
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if a.show_fill != b.show_fill:
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return f'! {self.ob.name}: {mata.name} and {matb.name} fill has different state'
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## Clean dups
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def clean_mats_duplication(self, ob):
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import re
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diff_ct = 0
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todel = []
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if ob.type != 'GPENCIL':
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return
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if not hasattr(ob, 'material_slots'):
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return
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for i, ms in enumerate(ob.material_slots):
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mat = ms.material
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if not mat:
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continue
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match = re.search(r'(.*)\.\d{3}$', mat.name)
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if not match:
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continue
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basemat = bpy.data.materials.get(match.group(1))
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if not basemat:
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continue
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diff = self.different_gp_mat(mat, basemat)
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if diff:
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print(diff)
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diff_ct += 1
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if self.skip_different_materials:
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continue
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if mat not in todel:
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todel.append(mat)
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ms.material = basemat
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print(f'{ob.name} : slot {i} >> replaced {mat.name}')
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mat.use_fake_user = False
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### delete (only when using on all objects loop, else can delete another objects mat...)
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## for m in reversed(todel):
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## bpy.data.materials.remove(m)
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if diff_ct:
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return('INFO', f'{diff_ct} mat skipped >> same name but different color settings!')
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## fuse
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def fuse_object_mats(self, ob):
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for i in range(len(ob.material_slots))[::-1]:
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ms = ob.material_slots[i]
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mat = ms.material
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# if not mat:
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# # remove empty slots
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# if self.remove_empty_slots:
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# ob.active_material_index = i
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# bpy.ops.object.material_slot_remove()
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# continue
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# update mat list
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mlist = [ms.material for ms in ob.material_slots if ms.material]
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if mlist.count(mat) > 1:
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# get first material in list
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new_mat_id = mlist.index(mat)
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# iterate in all strokes and replace with new_mat_id
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for l in ob.data.layers:
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for f in l.frames:
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for s in f.strokes:
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if s.material_index == i:
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s.material_index = new_mat_id
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# delete slot (or add to the remove_slot list
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ob.active_material_index = i
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bpy.ops.object.material_slot_remove()
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def delete_empty_material_slots(self, ob):
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for i in range(len(ob.material_slots))[::-1]:
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ms = ob.material_slots[i]
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mat = ms.material
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if not mat:
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# is_binded=False
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# if self.skip_binded_empty_slots:
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# for l in ob.data.layers:
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# for f in l.frames:
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# for s in f.strokes:
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# if s.material_index == i:
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# is_binded = True
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# break
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# if is_binded:
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# continue
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ob.active_material_index = i
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bpy.ops.object.material_slot_remove()
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def execute(self, context):
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ob = context.object
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info = None
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if not self.use_clean_mats and not self.use_fuses_mats and not self.remove_empty_slots:
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self.report({'ERROR'}, 'At least one operation should be selected')
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return {"CANCELLED"}
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if self.use_clean_mats:
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info = self.clean_mats_duplication(ob)
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if self.use_fuses_mats:
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self.fuse_object_mats(ob)
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if self.remove_empty_slots:
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self.delete_empty_material_slots(ob)
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if info:
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self.report({info[0]}, info[1])
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# else:
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# self.report({'WARNING'}, '')
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return {"FINISHED"}
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classes = (
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GPTB_OT_load_palette,
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GPTB_OT_save_palette,
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GPTB_OT_load_default_palette,
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GPTB_OT_load_blend_palette,
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GPTB_OT_copy_active_to_selected_palette,
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GPTB_OT_clean_material_stack,
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)
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def register():
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@ -351,6 +351,7 @@ def palette_manager_menu(self, context):
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layout.operator("gp.load_palette", text='Load json Palette', icon='IMPORT').filepath = prefs.palette_path
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layout.operator("gp.save_palette", text='Save json Palette', icon='EXPORT').filepath = prefs.palette_path
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layout.operator("gp.load_blend_palette", text='Load color Palette', icon='COLOR').filepath = prefs.palette_path
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layout.operator("gp.clean_material_stack", text='Clean material Stack', icon='NODE_MATERIAL')
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classes = (
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@ -15,7 +15,7 @@ bl_info = {
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"name": "GP toolbox",
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"description": "Set of tools for Grease Pencil in animation production",
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"author": "Samuel Bernou",
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"version": (1, 4, 1),
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"version": (1, 4, 2),
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"blender": (2, 91, 0),
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"location": "Sidebar (N menu) > Gpencil > Toolbox / Gpencil properties",
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"warning": "",
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