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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 #####
# <pep8-80 compliant>
from __future__ import annotations
if "bpy" in locals():
from importlib import reload
if "anim_utils" in locals():
reload(anim_utils)
del reload
import bpy
from bpy.types import Operator
from bpy.props import (
IntProperty,
BoolProperty,
EnumProperty,
StringProperty,
)
class ANIM_OT_keying_set_export(Operator):
"""Export Keying Set to a python script"""
bl_idname = "anim.keying_set_export"
bl_label = "Export Keying Set..."
filepath: StringProperty(
subtype='FILE_PATH',
)
filter_folder: BoolProperty(
name="Filter folders",
default=True,
options={'HIDDEN'},
)
filter_text: BoolProperty(
name="Filter text",
default=True,
options={'HIDDEN'},
)
filter_python: BoolProperty(
name="Filter python",
default=True,
options={'HIDDEN'},
)
def execute(self, context):
if not self.filepath:
raise Exception("Filepath not set")
f = open(self.filepath, "w")
if not f:
raise Exception("Could not open file")
scene = context.scene
ks = scene.keying_sets.active
f.write("# Keying Set: %s\n" % ks.bl_idname)
f.write("import bpy\n\n")
f.write("scene = bpy.context.scene\n\n")
# Add KeyingSet and set general settings
f.write("# Keying Set Level declarations\n")
f.write("ks = scene.keying_sets.new(idname=\"%s\", name=\"%s\")\n"
"" % (ks.bl_idname, ks.bl_label))
f.write("ks.bl_description = %r\n" % ks.bl_description)
if not ks.is_path_absolute:
f.write("ks.is_path_absolute = False\n")
f.write("\n")
f.write("ks.use_insertkey_needed = %s\n" % ks.use_insertkey_needed)
f.write("ks.use_insertkey_visual = %s\n" % ks.use_insertkey_visual)
f.write("ks.use_insertkey_xyz_to_rgb = %s\n" % ks.use_insertkey_xyz_to_rgb)
f.write("\n")
# --------------------------------------------------------
# generate and write set of lookups for id's used in paths
# cache for syncing ID-blocks to bpy paths + shorthand's
id_to_paths_cache = {}
for ksp in ks.paths:
if ksp.id is None:
continue
if ksp.id in id_to_paths_cache:
continue
# - idtype_list is used to get the list of id-datablocks from
# bpy.data.* since this info isn't available elsewhere
# - id.bl_rna.name gives a name suitable for UI,
# with a capitalized first letter, but we need
# the plural form that's all lower case
# - special handling is needed for "nested" ID-blocks
# (e.g. nodetree in Material)
if ksp.id.bl_rna.identifier.startswith("ShaderNodeTree"):
# Find material or light using this node tree...
id_bpy_path = "bpy.data.nodes[\"%s\"]"
found = False
for mat in bpy.data.materials:
if mat.node_tree == ksp.id:
id_bpy_path = "bpy.data.materials[\"%s\"].node_tree" % (mat.name)
found = True
break
if not found:
for light in bpy.data.lights:
if light.node_tree == ksp.id:
id_bpy_path = "bpy.data.lights[\"%s\"].node_tree" % (light.name)
found = True
break
if not found:
self.report({'WARN'}, "Could not find material or light using Shader Node Tree - %s" % (ksp.id))
elif ksp.id.bl_rna.identifier.startswith("CompositorNodeTree"):
# Find compositor nodetree using this node tree...
for scene in bpy.data.scenes:
if scene.node_tree == ksp.id:
id_bpy_path = "bpy.data.scenes[\"%s\"].node_tree" % (scene.name)
break
else:
self.report({'WARN'}, "Could not find scene using Compositor Node Tree - %s" % (ksp.id))
elif ksp.id.bl_rna.name == "Key":
# "keys" conflicts with a Python keyword, hence the simple solution won't work
id_bpy_path = "bpy.data.shape_keys[\"%s\"]" % (ksp.id.name)
else:
idtype_list = ksp.id.bl_rna.name.lower() + "s"
id_bpy_path = "bpy.data.%s[\"%s\"]" % (idtype_list, ksp.id.name)
# shorthand ID for the ID-block (as used in the script)
short_id = "id_%d" % len(id_to_paths_cache)
# store this in the cache now
id_to_paths_cache[ksp.id] = [short_id, id_bpy_path]
f.write("# ID's that are commonly used\n")
for id_pair in id_to_paths_cache.values():
f.write("%s = %s\n" % (id_pair[0], id_pair[1]))
f.write("\n")
# write paths
f.write("# Path Definitions\n")
for ksp in ks.paths:
f.write("ksp = ks.paths.add(")
# id-block + data_path
if ksp.id:
# find the relevant shorthand from the cache
id_bpy_path = id_to_paths_cache[ksp.id][0]
else:
id_bpy_path = "None" # XXX...
f.write("%s, '%s'" % (id_bpy_path, ksp.data_path))
# array index settings (if applicable)
if ksp.use_entire_array:
f.write(", index=-1")
else:
f.write(", index=%d" % ksp.array_index)
# grouping settings (if applicable)
# NOTE: the current default is KEYINGSET, but if this changes,
# change this code too
if ksp.group_method == 'NAMED':
f.write(", group_method='%s', group_name=\"%s\"" %
(ksp.group_method, ksp.group))
elif ksp.group_method != 'KEYINGSET':
f.write(", group_method='%s'" % ksp.group_method)
# finish off
f.write(")\n")
f.write("\n")
f.close()
return {'FINISHED'}
def invoke(self, context, _event):
wm = context.window_manager
wm.fileselect_add(self)
return {'RUNNING_MODAL'}
class NLA_OT_bake(Operator):
"""Bake all selected objects location/scale/rotation animation to an action"""
bl_idname = "nla.bake"
bl_label = "Bake Action"
bl_options = {'REGISTER', 'UNDO'}
frame_start: IntProperty(
name="Start Frame",
description="Start frame for baking",
min=0, max=300000,
default=1,
)
frame_end: IntProperty(
name="End Frame",
description="End frame for baking",
min=1, max=300000,
default=250,
)
step: IntProperty(
name="Frame Step",
description="Frame Step",
min=1, max=120,
default=1,
)
only_selected: BoolProperty(
name="Only Selected Bones",
description="Only key selected bones (Pose baking only)",
default=True,
)
visual_keying: BoolProperty(
name="Visual Keying",
description="Keyframe from the final transformations (with constraints applied)",
default=False,
)
clear_constraints: BoolProperty(
name="Clear Constraints",
description="Remove all constraints from keyed object/bones, and do 'visual' keying",
default=False,
)
clear_parents: BoolProperty(
name="Clear Parents",
description="Bake animation onto the object then clear parents (objects only)",
default=False,
)
use_current_action: BoolProperty(
name="Overwrite Current Action",
description="Bake animation into current action, instead of creating a new one "
"(useful for baking only part of bones in an armature)",
default=False,
)
clean_curves: BoolProperty(
name="Clean Curves",
description="After baking curves, remove redundant keys",
default=False,
)
bake_types: EnumProperty(
name="Bake Data",
description="Which data's transformations to bake",
options={'ENUM_FLAG'},
items=(
('POSE', "Pose", "Bake bones transformations"),
('OBJECT', "Object", "Bake object transformations"),
),
default={'POSE'},
)
def execute(self, context):
from bpy_extras import anim_utils
do_pose = 'POSE' in self.bake_types
do_object = 'OBJECT' in self.bake_types
objects = context.selected_editable_objects
if do_pose and not do_object:
objects = [obj for obj in objects if obj.pose is not None]
object_action_pairs = (
[(obj, getattr(obj.animation_data, "action", None)) for obj in objects]
if self.use_current_action else
[(obj, None) for obj in objects]
)
actions = anim_utils.bake_action_objects(
object_action_pairs,
frames=range(self.frame_start, self.frame_end + 1, self.step),
only_selected=self.only_selected,
do_pose=do_pose,
do_object=do_object,
do_visual_keying=self.visual_keying,
do_constraint_clear=self.clear_constraints,
do_parents_clear=self.clear_parents,
do_clean=self.clean_curves,
)
if not any(actions):
self.report({'INFO'}, "Nothing to bake")
return {'CANCELLED'}
return {'FINISHED'}
def invoke(self, context, _event):
scene = context.scene
self.frame_start = scene.frame_start
self.frame_end = scene.frame_end
self.bake_types = {'POSE'} if context.mode == 'POSE' else {'OBJECT'}
wm = context.window_manager
return wm.invoke_props_dialog(self)
class ClearUselessActions(Operator):
"""Mark actions with no F-Curves for deletion after save and reload of """ \
"""file preserving \"action libraries\""""
bl_idname = "anim.clear_useless_actions"
bl_label = "Clear Useless Actions"
bl_options = {'REGISTER', 'UNDO'}
only_unused: BoolProperty(
name="Only Unused",
description="Only unused (Fake User only) actions get considered",
default=True,
)
@classmethod
def poll(cls, _context):
return bool(bpy.data.actions)
def execute(self, _context):
removed = 0
for action in bpy.data.actions:
# if only user is "fake" user...
if (
(self.only_unused is False) or
(action.use_fake_user and action.users == 1)
):
# if it has F-Curves, then it's a "action library"
# (i.e. walk, wave, jump, etc.)
# and should be left alone as that's what fake users are for!
if not action.fcurves:
# mark action for deletion
action.user_clear()
removed += 1
self.report({'INFO'}, "Removed %d empty and/or fake-user only Actions"
% removed)
return {'FINISHED'}
class UpdateAnimatedTransformConstraint(Operator):
"""Update f-curves/drivers affecting Transform constraints (use it with files from 2.70 and earlier)"""
bl_idname = "anim.update_animated_transform_constraints"
bl_label = "Update Animated Transform Constraints"
bl_options = {'REGISTER', 'UNDO'}
use_convert_to_radians: BoolProperty(
name="Convert to Radians",
description="Convert f-curves/drivers affecting rotations to radians.\n"
"Warning: Use this only once",
default=True,
)
def execute(self, context):
import animsys_refactor
from math import radians
import io
from_paths = {"from_max_x", "from_max_y", "from_max_z", "from_min_x", "from_min_y", "from_min_z"}
to_paths = {"to_max_x", "to_max_y", "to_max_z", "to_min_x", "to_min_y", "to_min_z"}
paths = from_paths | to_paths
def update_cb(base, class_name, old_path, fcurve, options):
# print(options)
def handle_deg2rad(fcurve):
if fcurve is not None:
if hasattr(fcurve, "keyframes"):
for k in fcurve.keyframes:
k.co.y = radians(k.co.y)
for mod in fcurve.modifiers:
if mod.type == 'GENERATOR':
if mod.mode == 'POLYNOMIAL':
mod.coefficients[:] = [radians(c) for c in mod.coefficients]
else: # if mod.type == 'POLYNOMIAL_FACTORISED':
mod.coefficients[:2] = [radians(c) for c in mod.coefficients[:2]]
elif mod.type == 'FNGENERATOR':
mod.amplitude = radians(mod.amplitude)
fcurve.update()
data = ...
try:
data = eval("base." + old_path)
except:
pass
ret = (data, old_path)
if isinstance(base, bpy.types.TransformConstraint) and data is not ...:
new_path = None
map_info = base.map_from if old_path in from_paths else base.map_to
if map_info == 'ROTATION':
new_path = old_path + "_rot"
if options is not None and options["use_convert_to_radians"]:
handle_deg2rad(fcurve)
elif map_info == 'SCALE':
new_path = old_path + "_scale"
if new_path is not None:
data = ...
try:
data = eval("base." + new_path)
except:
pass
ret = (data, new_path)
# print(ret)
return ret
options = {"use_convert_to_radians": self.use_convert_to_radians}
replace_ls = [("TransformConstraint", p, update_cb, options) for p in paths]
log = io.StringIO()
animsys_refactor.update_data_paths(replace_ls, log)
context.scene.frame_set(context.scene.frame_current)
log = log.getvalue()
if log:
print(log)
text = bpy.data.texts.new("UpdateAnimatedTransformConstraint Report")
text.from_string(log)
self.report({'INFO'}, "Complete report available on '%s' text datablock" % text.name)
return {'FINISHED'}
classes = (
ANIM_OT_keying_set_export,
NLA_OT_bake,
ClearUselessActions,
UpdateAnimatedTransformConstraint,
)
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