blender/release/scripts/op/nla.py

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# ##### 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
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def pose_info():
from mathutils import Matrix
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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()
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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()
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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]
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matrix = binfo["matrix_pose"]
rest_matrix = binfo["matrix_local"]
if binfo_parent:
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matrix = binfo_parent["matrix_pose_inv"] * matrix
rest_matrix = binfo_parent["matrix_local_inv"] * rest_matrix
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matrix = rest_matrix.copy().invert() * matrix
binfo["matrix_key"] = matrix.copy()
return info
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def bake(frame_start, frame_end, step=1, only_selected=False):
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# import nla; reload(nla); nla.bake()
scene = bpy.context.scene
obj = bpy.context.object
pose = obj.pose
info_ls = []
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frame_range = range(frame_start, frame_end + 1, step)
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# could spped this up by applying steps here too...
for f in frame_range:
scene.frame_set(f)
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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:
Apply first pass of edits to rna values from rna_booleans.txt. These are not animated and are best not change names like this too late in the release. ActionGroup.selected -> select: boolean Action Group is selected BezierSplinePoint.hidden -> hide: boolean Visibility status BezierSplinePoint.selected_control_point -> select_control_point: boolean Control point selection status BezierSplinePoint.selected_handle1 -> select_left_handle: boolean Handle 1 selection status BezierSplinePoint.selected_handle2 -> select_right_handle: boolean Handle 2 selection status Bone.restrict_select -> hide_select: boolean Bone is able to be selected Bone.selected -> select: boolean CurveMapPoint.selected -> select: boolean Selection state of the curve point EditBone.restrict_select -> hide_select: boolean Bone is able to be selected EditBone.selected -> select: boolean EditBone.selected_head -> select_head: boolean EditBone.selected_tail -> select_tail: boolean EditBone.locked -> lock: boolean Bone is not able to be transformed when in Edit Mode EditBone.hidden -> hide: boolean Bone is not visible when in Edit Mode NEGATE * FCurve.disabled -> enabled: boolean F-Curve could not be evaluated in past, so should be skipped when evaluating FCurve.locked -> lock: boolean F-Curve's settings cannot be edited FCurve.muted -> mute: boolean F-Curve is not evaluated FCurve.selected -> select: boolean F-Curve is selected for editing NEGATE * FCurve.visible -> hide: boolean F-Curve and its keyframes are shown in the Graph Editor graphs FCurveSample.selected -> select: boolean Selection status GPencilFrame.selected -> select: boolean Frame is selected for editing in the DopeSheet GPencilLayer.locked -> lock: boolean Protect layer from further editing and/or frame changes GPencilLayer.selected -> select: boolean Layer is selected for editing in the DopeSheet Keyframe.selected -> select: boolean Control point selection status Keyframe.selected_handle1 -> select_left_handle: boolean Handle 1 selection status Keyframe.selected_handle2 -> select_right_handle: boolean Handle 2 selection status MeshEdge.selected -> select: boolean MeshEdge.hidden -> hide: boolean MeshFace.hidden -> hide: boolean MeshFace.selected -> select: boolean MeshVertex.hidden -> hide: boolean MeshVertex.selected -> select: boolean MotionPathVert.selected -> select: boolean Path point is selected for editing NlaStrip.selected -> select: boolean NLA Strip is selected NlaTrack.locked -> lock: boolean NLA Track is locked NlaTrack.muted -> mute: boolean NLA Track is not evaluated NlaTrack.selected -> select: boolean NLA Track is selected Object.restrict_render -> hide_render: boolean Restrict renderability Object.restrict_select -> hide_select: boolean Restrict selection in the viewport Object.restrict_view -> hide: boolean Restrict visibility in the viewport Object.selected -> select: boolean Object selection state ObjectBase.selected -> select: boolean Object base selection state PoseBone.selected -> select: boolean Sequence.right_handle_selected -> select_right_handle: boolean Sequence.selected -> select: boolean SplinePoint.selected -> select_control_point: boolean Selection status TimelineMarker.selected -> select: boolean Marker selection state Sequence.left_handle_selected -> select_left_handle: boolean ActionGroup.locked -> lock: boolean Action Group is locked Bone.hidden -> hide: boolean Bone is not visible when it is not in Edit Mode (i.e. in Object or Pose Modes) SplinePoint.hidden -> hide: boolean Visibility status FModifier.muted -> mute: boolean F-Curve Modifier will not be evaluated note: rebaned uv_select to select_uv
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if only_selected and not pbone.select:
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continue
for f in frame_range:
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matrix = info_ls[int((f - frame_start) / step)][name]["matrix_key"]
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#pbone.location = matrix.translation_part()
#pbone.rotation_quaternion = matrix.to_quat()
pbone.matrix_basis = matrix
pbone.keyframe_insert("location", -1, f, name)
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rotation_mode = pbone.rotation_mode
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if rotation_mode == 'QUATERNION':
pbone.keyframe_insert("rotation_quaternion", -1, f, name)
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elif rotation_mode == 'AXIS_ANGLE':
pbone.keyframe_insert("rotation_axis_angle", -1, f, name)
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else: # euler, XYZ, ZXY etc
pbone.keyframe_insert("rotation_euler", -1, f, name)
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pbone.keyframe_insert("scale", -1, f, name)
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return action
from bpy.props import *
class BakeAction(bpy.types.Operator):
'''Bake animation to an Action'''
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bl_idname = "nla.bake"
bl_label = "Bake Action"
bl_options = {'REGISTER', 'UNDO'}
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frame_start = IntProperty(name="Start Frame",
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description="Start frame for baking",
default=1, min=1, max=300000)
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frame_end = IntProperty(name="End Frame",
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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):
action = bake(self.frame_start, self.frame_end, self.step, self.only_selected)
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# 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.window_manager
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return wm.invoke_props_dialog(self)
#def menu_func(self, context):
# self.layout.operator(BakeAction.bl_idname, text="Bake Armature Action")
def register():
pass
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# bpy.types.INFO_MT_mesh_add.append(menu_func)
def unregister():
pass
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# bpy.types.INFO_MT_mesh_add.remove(menu_func)
if __name__ == "__main__":
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register()