Add Easy_Weight
to Addons
#47
@ -19,16 +19,139 @@ def get_armature_of_meshob(obj: bpy.types.Object):
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if m.type=='ARMATURE':
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return m.object
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def enter_wp(context) -> bool:
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"""Enter weight paint mode, change the necessary settings, and save their
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original states so they can be restored when leaving wp mode."""
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obj = context.object
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wm = context.window_manager
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# Store old display_type setting in a Custom Property on the Object.
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obj['wpt_display_type'] = obj.display_type
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# Ensure display_type is SOLID; weights don't display in WIRE or BOUNDS.
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if obj.display_type not in ['SOLID', 'TEXTURED']:
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obj.display_type = 'SOLID'
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# Store old shading settings in a Custom Property dictionary in the Scene.
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if 'wpt' not in wm:
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wm['wpt'] = {}
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wpt = wm['wpt']
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wpt_as_dict = wpt.to_dict()
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# If we are entering WP mode for the first time or if the last time
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# the operator was exiting WP mode, then save current shading info.
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if 'last_switch_in' not in wpt_as_dict or wpt_as_dict['last_switch_in']==False:
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wpt['shading_type'] = context.space_data.shading.type
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if context.space_data.shading.type=='SOLID':
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# These properties only exist when the shading type is SOLID.
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wpt['light'] = context.space_data.shading.light
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wpt['color_type'] = context.space_data.shading.color_type
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wpt['single_color'] = context.space_data.shading.single_color
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wpt['active_object'] = obj
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# This flag indicates that the last time this operator ran, we were
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# switching INTO wp mode.
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wpt['last_switch_in'] = True
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wpt['mode'] = obj.mode
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# Set shading
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if context.space_data.shading.type=='SOLID':
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context.space_data.shading.light = 'FLAT'
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context.space_data.shading.color_type = 'SINGLE'
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context.space_data.shading.single_color = (1,1,1)
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# Enter WP mode.
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bpy.ops.object.mode_set(mode='WEIGHT_PAINT')
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### ENSURING ARMATURE VISIBILITY
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armature = get_armature_of_meshob(obj)
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if not armature:
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return
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# Save all object visibility related info so it can be restored later.
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wpt['arm_enabled'] = armature.hide_viewport
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wpt['arm_hide'] = armature.hide_get()
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wpt['arm_in_front'] = armature.show_in_front
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wpt['arm_coll_assigned'] = False
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armature.hide_viewport = False
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armature.hide_set(False)
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armature.show_in_front = True
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if context.space_data.local_view:
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wpt['arm_local_view'] = armature.local_view_get(context.space_data)
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armature.local_view_set(context.space_data, True)
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# If the armature is still not visible, add it to the scene root collection.
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if not armature.visible_get() and not armature.name in context.scene.collection.objects:
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context.scene.collection.objects.link(armature)
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wpt['arm_coll_assigned'] = True
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if armature.visible_get():
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context.view_layer.objects.active = armature
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bpy.ops.object.mode_set(mode='POSE')
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context.view_layer.objects.active = obj
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return armature.visible_get()
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def leave_wp(context):
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"""Leave weight paint mode, then find, restore, and delete the data
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that was stored about shading settings in enter_wp()."""
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obj = context.object
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wm = context.window_manager
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# Restore object display type
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if 'wpt_display_type' in obj:
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obj.display_type = obj['wpt_display_type']
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del obj['wpt_display_type']
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if 'wpt' not in wm or 'mode' not in wm['wpt'].to_dict():
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# There is no saved data to restore from, nothing else to do.
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bpy.ops.object.mode_set(mode='OBJECT')
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return {'FINISHED'}
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wpt = wm['wpt']
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wpt_as_dict = wpt.to_dict()
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# Restore mode.
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bpy.ops.object.mode_set(mode=wpt_as_dict['mode'])
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# Reset the stored data
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wm['wpt'] = {}
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# Flag to save that the last time the operator ran we were EXITING wp mode.
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wm['wpt']['last_switch_in'] = False
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# Restore shading options.
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if 'light' in wpt_as_dict: # If we stored solid view shading settings, restore those settings but don't restore the shading type.
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shading_type = context.space_data.shading.type
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context.space_data.shading.type = wpt_as_dict['shading_type']
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if context.space_data.shading.type=='SOLID':
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context.space_data.shading.light = wpt_as_dict['light']
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context.space_data.shading.color_type = wpt_as_dict['color_type']
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context.space_data.shading.single_color = wpt_as_dict['single_color']
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context.space_data.shading.type = shading_type
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armature = get_armature_of_meshob(obj)
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if not armature:
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return
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# If an armature was un-hidden, hide it again.
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armature.hide_viewport = wpt_as_dict['arm_enabled']
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armature.hide_set(wpt_as_dict['arm_hide'])
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armature.show_in_front = wpt_as_dict['arm_in_front']
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# Restore whether the armature is in local view or not.
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if 'arm_local_view' in wpt_as_dict and context.space_data.local_view:
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armature.local_view_set(context.space_data, wpt_as_dict['arm_local_view'])
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# Remove armature from scene root collection if it was moved there.
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if wpt_as_dict['arm_coll_assigned']:
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context.scene.collection.objects.unlink(armature)
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return
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class EASYWEIGHT_OT_toggle_weight_paint(bpy.types.Operator):
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"""Toggle weight paint mode properly with a single operator. """
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bl_idname = "object.weight_paint_toggle"
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bl_label = "Toggle Weight Paint Mode"
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bl_options = {'REGISTER', 'UNDO'}
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# local_view: bpy.props.BoolProperty(
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# name = "Local View"
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# ,description = "Enter Local view with the mesh and armature"
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# )
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@classmethod
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def poll(cls, context):
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@ -38,144 +161,18 @@ class EASYWEIGHT_OT_toggle_weight_paint(bpy.types.Operator):
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def draw(self, context):
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self.layout.operator(EASYWEIGHT_OT_toggle_weight_paint.bl_idname)
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def enter_wp(self, context):
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"""Enter weight paint mode, change the necessary settings, and save their
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original states so they can be restored when leaving wp mode."""
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obj = context.object
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wm = context.window_manager
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# Store old display_type setting in a Custom Property on the Object.
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obj['wpt_display_type'] = obj.display_type
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# Ensure display_type is SOLID; weights don't display in WIRE or BOUNDS.
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if obj.display_type not in ['SOLID', 'TEXTURED']:
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obj.display_type = 'SOLID'
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# Store old shading settings in a Custom Property dictionary in the Scene.
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if 'wpt' not in wm:
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wm['wpt'] = {}
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wpt = wm['wpt']
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wpt_as_dict = wpt.to_dict()
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# If we are entering WP mode for the first time or if the last time
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# the operator was exiting WP mode, then save current shading info.
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if 'last_switch_in' not in wpt_as_dict or wpt_as_dict['last_switch_in']==False:
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wpt['shading_type'] = context.space_data.shading.type
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if context.space_data.shading.type=='SOLID':
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# These properties only exist when the shading type is SOLID.
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wpt['light'] = context.space_data.shading.light
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wpt['color_type'] = context.space_data.shading.color_type
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wpt['single_color'] = context.space_data.shading.single_color
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wpt['active_object'] = obj
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# This flag indicates that the last time this operator ran, we were
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# switching INTO wp mode.
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wpt['last_switch_in'] = True
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wpt['mode'] = obj.mode
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# Set shading
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if context.space_data.shading.type=='SOLID':
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context.space_data.shading.light = 'FLAT'
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context.space_data.shading.color_type = 'SINGLE'
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context.space_data.shading.single_color = (1,1,1)
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# Enter WP mode.
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bpy.ops.object.mode_set(mode='WEIGHT_PAINT')
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### ENSURING ARMATURE VISIBILITY
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armature = get_armature_of_meshob(obj)
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if not armature:
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return {'FINISHED'}
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# Save all object visibility related info so it can be restored later.
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wpt['arm_enabled'] = armature.hide_viewport
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wpt['arm_hide'] = armature.hide_get()
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wpt['arm_in_front'] = armature.show_in_front
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wpt['arm_coll_assigned'] = False
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armature.hide_viewport = False
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armature.hide_set(False)
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armature.show_in_front = True
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if context.space_data.local_view:
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wpt['arm_local_view'] = armature.local_view_get(context.space_data)
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armature.local_view_set(context.space_data, True)
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# If the armature is still not visible, add it to the scene root collection.
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if not armature.visible_get() and not armature.name in context.scene.collection.objects:
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context.scene.collection.objects.link(armature)
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wpt['arm_coll_assigned'] = True
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if not armature.visible_get():
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self.report({'WARNING'}, "Failed to make the armature visible. Curse you, Blender!!!")
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else:
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context.view_layer.objects.active = armature
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bpy.ops.object.mode_set(mode='POSE')
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context.view_layer.objects.active = obj
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return {'FINISHED'}
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def leave_wp(self, context):
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"""Leave weight paint mode, then find, restore, and delete the data
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that was stored about shading settings in enter_wp()."""
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obj = context.object
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wm = context.window_manager
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# Restore object display type
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if 'wpt_display_type' in obj:
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obj.display_type = obj['wpt_display_type']
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del obj['wpt_display_type']
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if 'wpt' not in wm or 'mode' not in wm['wpt'].to_dict():
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# There is no saved data to restore from, nothing else to do.
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bpy.ops.object.mode_set(mode='OBJECT')
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return {'FINISHED'}
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wpt = wm['wpt']
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wpt_as_dict = wpt.to_dict()
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# Restore mode.
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bpy.ops.object.mode_set(mode=wpt_as_dict['mode'])
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# Reset the stored data
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wm['wpt'] = {}
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# Flag to save that the last time the operator ran we were EXITING wp mode.
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wm['wpt']['last_switch_in'] = False
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# Restore shading options.
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if 'light' in wpt_as_dict: # If we stored solid view shading settings, restore those settings but don't restore the shading type.
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shading_type = context.space_data.shading.type
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context.space_data.shading.type = wpt_as_dict['shading_type']
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if context.space_data.shading.type=='SOLID':
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context.space_data.shading.light = wpt_as_dict['light']
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context.space_data.shading.color_type = wpt_as_dict['color_type']
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context.space_data.shading.single_color = wpt_as_dict['single_color']
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context.space_data.shading.type = shading_type
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armature = get_armature_of_meshob(obj)
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if not armature:
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return {'FINISHED'}
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# If an armature was un-hidden, hide it again.
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armature.hide_viewport = wpt_as_dict['arm_enabled']
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armature.hide_set(wpt_as_dict['arm_hide'])
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armature.show_in_front = wpt_as_dict['arm_in_front']
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# Restore whether the armature is in local view or not.
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if 'arm_local_view' in wpt_as_dict and context.space_data.local_view:
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armature.local_view_set(context.space_data, wpt_as_dict['arm_local_view'])
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# Remove armature from scene root collection if it was moved there.
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if wpt_as_dict['arm_coll_assigned']:
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context.scene.collection.objects.unlink(armature)
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return {'FINISHED'}
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def execute(self, context):
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obj = context.object
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if obj.mode != 'WEIGHT_PAINT':
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return self.enter_wp(context)
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armature_visible = enter_wp(context)
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if armature_visible == False:
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# This should never happen, but it also doesn't break anything.
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self.report({'WARNING'}, "Could not make Armature visible.")
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return {'FINISHED'}
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else:
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return self.leave_wp(context)
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leave_wp(context)
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return {'FINISHED'}
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class EASYWEIGHT_PT_Debug(bpy.types.Panel):
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"""For debugging the Toggle Weight Paint operator."""
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Reference in New Issue
Block a user