1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# <pep8 compliant>
import bpy
def pose_info():
from Mathutils import Matrix
info = {}
obj = bpy.context.object
pose = obj.pose
pose_items = pose.bones.items()
for name, pbone in pose_items:
binfo = {}
bone = pbone.bone
binfo["parent"] = getattr(bone.parent, "name", None)
binfo["bone"] = bone
binfo["pbone"] = pbone
binfo["matrix_local"] = bone.matrix_local.copy()
try:
binfo["matrix_local_inv"] = binfo["matrix_local"].copy().invert()
except:
binfo["matrix_local_inv"] = Matrix()
binfo["matrix"] = bone.matrix.copy()
binfo["matrix_pose"] = pbone.matrix.copy()
try:
binfo["matrix_pose_inv"] = binfo["matrix_pose"].copy().invert()
except:
binfo["matrix_pose_inv"] = Matrix()
print(binfo["matrix_pose"])
info[name] = binfo
for name, pbone in pose_items:
binfo = info[name]
binfo_parent = binfo.get("parent", None)
if binfo_parent:
binfo_parent = info[binfo_parent]
matrix = binfo["matrix_pose"]
rest_matrix = binfo["matrix_local"]
if binfo_parent:
matrix = binfo_parent["matrix_pose_inv"] * matrix
rest_matrix = binfo_parent["matrix_local_inv"] * rest_matrix
matrix = rest_matrix.copy().invert() * matrix
binfo["matrix_key"] = matrix.copy()
return info
def bake(frame_start, frame_end, step=1, only_selected=False):
# import nla; reload(nla); nla.bake()
scene = bpy.context.scene
obj = bpy.context.object
pose = obj.pose
info_ls = []
frame_range = range(frame_start, frame_end + 1, step)
# could spped this up by applying steps here too...
for f in frame_range:
scene.set_frame(f)
info = pose_info()
info_ls.append(info)
f += 1
action = bpy.data.actions.new("Action")
bpy.context.object.animation_data.action = action
pose_items = pose.bones.items()
for name, pbone in pose_items:
if only_selected and not pbone.selected:
continue
for f in frame_range:
matrix = info_ls[int((f - frame_start) / step)][name]["matrix_key"]
#pbone.location = matrix.translation_part()
#pbone.rotation_quaternion = matrix.to_quat()
pbone.matrix_local = [f for v in matrix for f in v]
pbone.keyframe_insert("location", -1, f)
rotation_mode = pbone.rotation_mode
if rotation_mode == 'QUATERNION':
pbone.keyframe_insert("rotation_quaternion", -1, f)
elif rotation_mode == 'AXIS_ANGLE':
pbone.keyframe_insert("rotation_axis_angle", -1, f)
else: # euler, XYZ, ZXY etc
pbone.keyframe_insert("rotation_euler", -1, f)
pbone.keyframe_insert("scale", -1, f)
# assign groups, could become a more generic function
agrp_loc = action.groups.add("Location")
agrp_rot = action.groups.add("Rotation")
agrp_sca = action.groups.add("Scale")
for fcu in action.fcurves:
path = fcu.data_path.rsplit(".", 1)[-1]
if path.startswith("loc"):
fcu.group = agrp_loc
if path.startswith("rot"):
fcu.group = agrp_rot
if path.startswith("sca"):
fcu.group = agrp_sca
return action
from bpy.props import *
class BakeAction(bpy.types.Operator):
'''Add a torus mesh'''
bl_idname = "nla.bake"
bl_label = "Bake Action"
bl_options = {'REGISTER', 'UNDO'}
frame_start = IntProperty(name="Start Frame",
description="Start frame for baking",
default=1, min=1, max=300000)
frame_end = IntProperty(name="End Frame",
description="End frame for baking",
default=250, min=1, max=300000)
step = IntProperty(name="Frame Step",
description="Frame Step",
default=1, min=1, max=120)
only_selected = BoolProperty(name="Only Selected",
default=True)
def execute(self, context):
props = self.properties
action = bake(props.frame_start, props.frame_end, props.step, props.only_selected)
# basic cleanup, could move elsewhere
for fcu in action.fcurves:
keyframe_points = fcu.keyframe_points
i = 1
while i < len(fcu.keyframe_points) - 1:
val_prev = keyframe_points[i - 1].co[1]
val_next = keyframe_points[i + 1].co[1]
val = keyframe_points[i].co[1]
if abs(val - val_prev) + abs(val - val_next) < 0.0001:
keyframe_points.remove(keyframe_points[i])
else:
i += 1
return {'FINISHED'}
def invoke(self, context, event):
wm = context.manager
return wm.invoke_props_dialog(self)
#def menu_func(self, context):
# self.layout.operator(BakeAction.bl_idname, text="Bake Armature Action")
def register():
bpy.types.register(BakeAction)
# bpy.types.INFO_MT_mesh_add.append(menu_func)
def unregister():
bpy.types.unregister(BakeAction)
# bpy.types.INFO_MT_mesh_add.remove(menu_func)
if __name__ == "__main__":
register()
|
