blender/release/scripts/startup/bl_operators/anim.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 #####
# <pep8-80 compliant>
if "bpy" in locals():
import imp
if "anim_utils" in locals():
imp.reload(anim_utils)
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 = \"%s\"\n" % ks.bl_description)
if not ks.is_path_absolute:
f.write("ks.is_path_absolute = False\n")
f.write("\n")
f.write("ks.bl_options = %r\n" % ks.bl_options)
f.write("\n")
# --------------------------------------------------------
# generate and write set of lookups for id's used in paths
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# 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 capitalised first letter, but we need
the plural form that's all lower case
"""
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)
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return {'RUNNING_MODAL'}
class BakeAction(Operator):
"""Bake object/pose loc/scale/rotation animation to a new 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",
description="Only key selected object/bones",
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,
)
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
action = anim_utils.bake_action(self.frame_start,
self.frame_end,
frame_step=self.step,
only_selected=self.only_selected,
do_pose='POSE' in self.bake_types,
do_object='OBJECT' in self.bake_types,
do_visual_keying=self.visual_keying,
do_constraint_clear=self.clear_constraints,
do_parents_clear=self.clear_parents,
do_clean=True,
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)
if action is None:
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'}
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wm = context.window_manager
return wm.invoke_props_dialog(self)
class ClearUselessActions(Operator):
"""Mark actions with no F-Curves for deletion after save & 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...
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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 UpdateAnimData(Operator):
"""Update data paths from 2.56 and previous versions, """ \
"""modifying data paths of drivers and fcurves"""
bl_idname = "anim.update_data_paths"
bl_label = "Update Animation Data"
def execute(self, context):
import animsys_refactor
animsys_refactor.update_data_paths(animsys_refactor.data_2_56_to_2_59)
return {'FINISHED'}