blender/release/scripts/startup/bl_operators/anim.py
Campbell Barton 77bdef4d22 py scripts - replace bad uses of len(),
checking if the collection is True is faster since it only checks if it has at least one item, rather then going over all items.
2012-01-02 16:18:39 +00:00

275 lines
8.7 KiB
Python

# ##### 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.name)
f.write("import bpy\n\n")
# XXX, why not current scene?
f.write("scene= bpy.data.scenes[0]\n\n")
# Add KeyingSet and set general settings
f.write("# Keying Set Level declarations\n")
f.write("ks= scene.keying_sets.new(name=\"%s\")\n" % ks.name)
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
# 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)
return {'RUNNING_MODAL'}
class BakeAction(Operator):
"""Bake 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",
default=True,
)
clear_consraints = BoolProperty(
name="Clear Constraints",
default=False,
)
bake_types = EnumProperty(
name="Bake Data",
options={'ENUM_FLAG'},
items=(('POSE', "Pose", ""),
('OBJECT', "Object", ""),
),
default={'POSE'},
)
def execute(self, context):
from bpy_extras import anim_utils
action = anim_utils.bake_action(self.frame_start,
self.frame_end,
self.step,
self.only_selected,
'POSE' in self.bake_types,
'OBJECT' in self.bake_types,
self.clear_consraints,
True,
)
if action is None:
self.report({'INFO'}, "Nothing to bake")
return {'CANCELLED'}
return {'FINISHED'}
def invoke(self, context, event):
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...
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'}