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# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
import mathutils
def reset_transform(ob):
m = mathutils.Matrix()
ob.matrix_local = m
def func_add_pose_shape_fast(source, target):
result = ""
reset_transform(target)
# If target object doesn't have Basis shape key, create it.
try:
num_keys = len(target.data.shape_keys.key_blocks)
except:
basis = target.shape_key_add()
basis.name = "Basis"
target.data.update()
key_index = target.active_shape_key_index
if key_index == 0:
# Insert new shape key
new_shapekey = target.shape_key_add()
new_shapekey.name = "Shape_" + source.name
new_shapekey_name = new_shapekey.name
key_index = len(target.data.shape_keys.key_blocks) - 1
target.active_shape_key_index = key_index
# else, the active shape will be used (updated)
target.show_only_shape_key = True
shape_key_verts = target.data.shape_keys.key_blocks[key_index].data
try:
vgroup = target.active_shape_key.vertex_group
target.active_shape_key.vertex_group = ''
except:
print("blub")
result = "***ERROR*** blub"
pass
# copy the local vertex positions to the new shape
verts = source.data.vertices
try:
for n in range(len(verts)):
shape_key_verts[n].co = verts[n].co
# go to all armature modifies and unpose the shape
except:
message = "***ERROR***, meshes have different number of vertices"
result = message
for n in target.modifiers:
if n.type == 'ARMATURE' and n.show_viewport:
# print("got one")
n.use_bone_envelopes = False
n.use_deform_preserve_volume = False
n.use_vertex_groups = True
armature = n.object
unposeMesh(shape_key_verts, target, armature)
break
# set the new shape key value to 1.0, so we see the result instantly
target.data.shape_keys.key_blocks[ target.active_shape_key_index].value = 1.0
try:
target.active_shape_key.vertex_group = vgroup
except:
print("bluba")
result = result + "bluba"
pass
target.show_only_shape_key = False
target.data.update()
return result
class add_pose_shape_fast(bpy.types.Operator):
bl_idname = "object.add_pose_shape_fast"
bl_label = "Add object as corrective shape faster"
bl_description = "Adds 1st object as shape to 2nd object as pose shape (only 1 armature)"
@classmethod
def poll(cls, context):
return context.active_object is not None
def execute(self, context):
if len(context.selected_objects) > 2:
print("Select source and target objects please")
return {'FINISHED'}
selection = context.selected_objects
target = context.active_object
if context.active_object == selection[0]:
source = selection[1]
else:
source = selection[0]
print(source)
print(target)
func_add_pose_shape_fast(source, target)
return {'FINISHED'}
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