def add_object_align_init(context, operator):
"""
Return a matrix using the operator settings and view context.
:arg context: The context to use.
:type context: :class:`bpy.types.Context`
:arg operator: The operator, checked for location and rotation properties.
:type operator: :class:`bpy.types.Operator`
:return: the matrix from the context and settings.
:rtype: :class:`mathutils.Matrix`
"""
from mathutils import Matrix, Vector, Euler
properties = operator.properties if operator is not None else None
space_data = context.space_data
if space_data and space_data.type != 'VIEW_3D':
space_data = None
# location
if operator and properties.is_property_set("location"):
location = Matrix.Translation(Vector(properties.location))
else:
location = Matrix.Translation(context.scene.cursor_location)
if operator:
properties.location = location.to_translation()
# rotation
view_align = (context.preferences.edit.object_align == 'VIEW')
view_align_force = False
if operator:
if properties.is_property_set("view_align"):
view_align = view_align_force = operator.view_align
else:
if properties.is_property_set("rotation"):
# ugh, 'view_align' callback resets
value = properties.rotation[:]
properties.view_align = view_align
properties.rotation = value
del value
else:
properties.view_align = view_align
if operator and (properties.is_property_set("rotation") and
not view_align_force):
rotation = Euler(properties.rotation).to_matrix().to_4x4()
else:
if view_align and space_data:
rotation = space_data.region_3d.view_matrix.to_3x3().inverted()
rotation.resize_4x4()
else:
rotation = Matrix()
# set the operator properties
if operator:
properties.rotation = rotation.to_euler()
return location @ rotation
def add_object_align_init(context, operator):
"""
Return a matrix using the operator settings and view context.
:arg context: The context to use.
:type context: :class:`bpy.types.Context`
:arg operator: The operator, checked for location and rotation properties.
:type operator: :class:`bpy.types.Operator`
:return: the matrix from the context and settings.
:rtype: :class:`mathutils.Matrix`
"""
from mathutils import Matrix, Vector, Euler
properties = operator.properties if operator is not None else None
space_data = context.space_data
if space_data and space_data.type != 'VIEW_3D':
space_data = None
# location
if operator and properties.is_property_set("location"):
location = Matrix.Translation(Vector(properties.location))
else:
location = Matrix.Translation(context.scene.cursor.location)
if operator:
properties.location = location.to_translation()
# rotation
view_align = (context.preferences.edit.object_align == 'VIEW')
view_align_force = False
if operator:
if properties.is_property_set("view_align"):
view_align = view_align_force = operator.view_align
else:
if properties.is_property_set("rotation"):
# ugh, 'view_align' callback resets
value = properties.rotation[:]
properties.view_align = view_align
properties.rotation = value
del value
else:
properties.view_align = view_align
if operator and (properties.is_property_set("rotation") and
not view_align_force):
rotation = Euler(properties.rotation).to_matrix().to_4x4()
else:
if view_align and space_data:
rotation = space_data.region_3d.view_matrix.to_3x3().inverted()
rotation.resize_4x4()
else:
rotation = Matrix()
# set the operator properties
if operator:
properties.rotation = rotation.to_euler()
return location @ rotation
def bvh_node_dict2armature(context,
bvh_name,
bvh_nodes,
rotate_mode='XYZ',
frame_start=1,
IMPORT_LOOP=False,
global_matrix=None,
):
if frame_start < 1:
frame_start = 1
# Add the new armature,
scene = context.scene
for obj in scene.objects:
obj.select = False
arm_data = bpy.data.armatures.new(bvh_name)
arm_ob = bpy.data.objects.new(bvh_name, arm_data)
scene.objects.link(arm_ob)
arm_ob.select = True
scene.objects.active = arm_ob
bpy.ops.object.mode_set(mode='OBJECT', toggle=False)
bpy.ops.object.mode_set(mode='EDIT', toggle=False)
# Get the average bone length for zero length bones, we may not use this.
average_bone_length = 0.0
nonzero_count = 0
for bvh_node in bvh_nodes.values():
l = (bvh_node.rest_head_local - bvh_node.rest_tail_local).length
if l:
average_bone_length += l
nonzero_count += 1
# Very rare cases all bones couldbe zero length???
if not average_bone_length:
average_bone_length = 0.1
else:
# Normal operation
average_bone_length = average_bone_length / nonzero_count
# XXX, annoying, remove bone.
while arm_data.edit_bones:
arm_ob.edit_bones.remove(arm_data.edit_bones[-1])
ZERO_AREA_BONES = []
for name, bvh_node in bvh_nodes.items():
# New editbone
bone = bvh_node.temp = arm_data.edit_bones.new(name)
bone.head = bvh_node.rest_head_world
bone.tail = bvh_node.rest_tail_world
# Zero Length Bones! (an exceptional case)
if (bone.head - bone.tail).length < 0.001:
print("\tzero length bone found:", bone.name)
if bvh_node.parent:
ofs = bvh_node.parent.rest_head_local - bvh_node.parent.rest_tail_local
if ofs.length: # is our parent zero length also?? unlikely
bone.tail = bone.tail - ofs
else:
bone.tail.y = bone.tail.y + average_bone_length
else:
bone.tail.y = bone.tail.y + average_bone_length
ZERO_AREA_BONES.append(bone.name)
for bvh_node in bvh_nodes.values():
if bvh_node.parent:
# bvh_node.temp is the Editbone
# Set the bone parent
bvh_node.temp.parent = bvh_node.parent.temp
# Set the connection state
if not bvh_node.has_loc and\
bvh_node.parent and\
bvh_node.parent.temp.name not in ZERO_AREA_BONES and\
bvh_node.parent.rest_tail_local == bvh_node.rest_head_local:
bvh_node.temp.use_connect = True
# Replace the editbone with the editbone name,
# to avoid memory errors accessing the editbone outside editmode
for bvh_node in bvh_nodes.values():
bvh_node.temp = bvh_node.temp.name
# Now Apply the animation to the armature
# Get armature animation data
bpy.ops.object.mode_set(mode='OBJECT', toggle=False)
pose = arm_ob.pose
pose_bones = pose.bones
if rotate_mode == 'NATIVE':
for bvh_node in bvh_nodes.values():
bone_name = bvh_node.temp # may not be the same name as the bvh_node, could have been shortened.
pose_bone = pose_bones[bone_name]
pose_bone.rotation_mode = bvh_node.rot_order_str
elif rotate_mode != 'QUATERNION':
for pose_bone in pose_bones:
pose_bone.rotation_mode = rotate_mode
else:
# Quats default
pass
context.scene.update()
arm_ob.animation_data_create()
action = bpy.data.actions.new(name=bvh_name)
arm_ob.animation_data.action = action
# Replace the bvh_node.temp (currently an editbone)
# With a tuple (pose_bone, armature_bone, bone_rest_matrix, bone_rest_matrix_inv)
for bvh_node in bvh_nodes.values():
bone_name = bvh_node.temp # may not be the same name as the bvh_node, could have been shortened.
pose_bone = pose_bones[bone_name]
rest_bone = arm_data.bones[bone_name]
bone_rest_matrix = rest_bone.matrix_local.to_3x3()
bone_rest_matrix_inv = Matrix(bone_rest_matrix)
bone_rest_matrix_inv.invert()
bone_rest_matrix_inv.resize_4x4()
bone_rest_matrix.resize_4x4()
bvh_node.temp = (pose_bone, bone, bone_rest_matrix, bone_rest_matrix_inv)
# Make a dict for fast access without rebuilding a list all the time.
# KEYFRAME METHOD, SLOW, USE IPOS DIRECT
# TODO: use f-point samples instead (Aligorith)
if rotate_mode != 'QUATERNION':
prev_euler = [Euler() for i in range(len(bvh_nodes))]
# Animate the data, the last used bvh_node will do since they all have the same number of frames
for frame_current in range(len(bvh_node.anim_data) - 1): # skip the first frame (rest frame)
# print frame_current
# if frame_current==40: # debugging
# break
scene.frame_set(frame_start + frame_current)
# Dont neet to set the current frame
for i, bvh_node in enumerate(bvh_nodes.values()):
pose_bone, bone, bone_rest_matrix, bone_rest_matrix_inv = bvh_node.temp
lx, ly, lz, rx, ry, rz = bvh_node.anim_data[frame_current + 1]
if bvh_node.has_rot:
# apply rotation order and convert to XYZ
# note that the rot_order_str is reversed.
bone_rotation_matrix = Euler((rx, ry, rz), bvh_node.rot_order_str[::-1]).to_matrix().to_4x4()
bone_rotation_matrix = bone_rest_matrix_inv * bone_rotation_matrix * bone_rest_matrix
if rotate_mode == 'QUATERNION':
pose_bone.rotation_quaternion = bone_rotation_matrix.to_quaternion()
else:
euler = bone_rotation_matrix.to_euler(pose_bone.rotation_mode, prev_euler[i])
pose_bone.rotation_euler = euler
prev_euler[i] = euler
if bvh_node.has_loc:
pose_bone.location = (bone_rest_matrix_inv * Matrix.Translation(Vector((lx, ly, lz)) - bvh_node.rest_head_local)).to_translation()
if bvh_node.has_loc:
pose_bone.keyframe_insert("location")
if bvh_node.has_rot:
if rotate_mode == 'QUATERNION':
pose_bone.keyframe_insert("rotation_quaternion")
else:
pose_bone.keyframe_insert("rotation_euler")
for cu in action.fcurves:
if IMPORT_LOOP:
pass # 2.5 doenst have cyclic now?
for bez in cu.keyframe_points:
bez.interpolation = 'LINEAR'
# finally apply matrix
arm_ob.matrix_world = global_matrix
bpy.ops.object.transform_apply(rotation=True)
return arm_ob
def bvh_node_dict2armature(
context,
bvh_name,
bvh_nodes,
rotate_mode='XYZ',
frame_start=1,
IMPORT_LOOP=False,
global_matrix=None,
):
if frame_start < 1:
frame_start = 1
# Add the new armature,
scene = context.scene
for obj in scene.objects:
obj.select = False
arm_data = bpy.data.armatures.new(bvh_name)
arm_ob = bpy.data.objects.new(bvh_name, arm_data)
scene.objects.link(arm_ob)
arm_ob.select = True
scene.objects.active = arm_ob
bpy.ops.object.mode_set(mode='OBJECT', toggle=False)
bpy.ops.object.mode_set(mode='EDIT', toggle=False)
bvh_nodes_list = sorted_nodes(bvh_nodes)
# Get the average bone length for zero length bones, we may not use this.
average_bone_length = 0.0
nonzero_count = 0
for bvh_node in bvh_nodes_list:
l = (bvh_node.rest_head_local - bvh_node.rest_tail_local).length
if l:
average_bone_length += l
nonzero_count += 1
# Very rare cases all bones could be zero length???
if not average_bone_length:
average_bone_length = 0.1
else:
# Normal operation
average_bone_length = average_bone_length / nonzero_count
# XXX, annoying, remove bone.
while arm_data.edit_bones:
arm_ob.edit_bones.remove(arm_data.edit_bones[-1])
ZERO_AREA_BONES = []
for bvh_node in bvh_nodes_list:
# New editbone
bone = bvh_node.temp = arm_data.edit_bones.new(bvh_node.name)
bone.head = bvh_node.rest_head_world
bone.tail = bvh_node.rest_tail_world
# Zero Length Bones! (an exceptional case)
if (bone.head - bone.tail).length < 0.001:
print("\tzero length bone found:", bone.name)
if bvh_node.parent:
ofs = bvh_node.parent.rest_head_local - bvh_node.parent.rest_tail_local
if ofs.length: # is our parent zero length also?? unlikely
bone.tail = bone.tail - ofs
else:
bone.tail.y = bone.tail.y + average_bone_length
else:
bone.tail.y = bone.tail.y + average_bone_length
ZERO_AREA_BONES.append(bone.name)
for bvh_node in bvh_nodes_list:
if bvh_node.parent:
# bvh_node.temp is the Editbone
# Set the bone parent
bvh_node.temp.parent = bvh_node.parent.temp
# Set the connection state
if ((not bvh_node.has_loc)
and (bvh_node.parent.temp.name not in ZERO_AREA_BONES) and
(bvh_node.parent.rest_tail_local == bvh_node.rest_head_local)):
bvh_node.temp.use_connect = True
# Replace the editbone with the editbone name,
# to avoid memory errors accessing the editbone outside editmode
for bvh_node in bvh_nodes_list:
bvh_node.temp = bvh_node.temp.name
# Now Apply the animation to the armature
# Get armature animation data
bpy.ops.object.mode_set(mode='OBJECT', toggle=False)
pose = arm_ob.pose
pose_bones = pose.bones
if rotate_mode == 'NATIVE':
for bvh_node in bvh_nodes_list:
bone_name = bvh_node.temp # may not be the same name as the bvh_node, could have been shortened.
pose_bone = pose_bones[bone_name]
pose_bone.rotation_mode = bvh_node.rot_order_str
elif rotate_mode != 'QUATERNION':
for pose_bone in pose_bones:
pose_bone.rotation_mode = rotate_mode
else:
# Quats default
pass
context.scene.update()
arm_ob.animation_data_create()
action = bpy.data.actions.new(name=bvh_name)
arm_ob.animation_data.action = action
# Replace the bvh_node.temp (currently an editbone)
# With a tuple (pose_bone, armature_bone, bone_rest_matrix, bone_rest_matrix_inv)
for bvh_node in bvh_nodes_list:
bone_name = bvh_node.temp # may not be the same name as the bvh_node, could have been shortened.
pose_bone = pose_bones[bone_name]
rest_bone = arm_data.bones[bone_name]
bone_rest_matrix = rest_bone.matrix_local.to_3x3()
bone_rest_matrix_inv = Matrix(bone_rest_matrix)
bone_rest_matrix_inv.invert()
bone_rest_matrix_inv.resize_4x4()
bone_rest_matrix.resize_4x4()
bvh_node.temp = (pose_bone, bone, bone_rest_matrix,
bone_rest_matrix_inv)
# Make a dict for fast access without rebuilding a list all the time.
# KEYFRAME METHOD, SLOW, USE IPOS DIRECT
# TODO: use f-point samples instead (Aligorith)
if rotate_mode != 'QUATERNION':
prev_euler = [Euler() for i in range(len(bvh_nodes))]
# Animate the data, the last used bvh_node will do since they all have the same number of frames
for frame_current in range(len(bvh_node.anim_data) -
1): # skip the first frame (rest frame)
# print frame_current
# if frame_current==40: # debugging
# break
scene.frame_set(frame_start + frame_current)
# Dont neet to set the current frame
for i, bvh_node in enumerate(bvh_nodes_list):
pose_bone, bone, bone_rest_matrix, bone_rest_matrix_inv = bvh_node.temp
lx, ly, lz, rx, ry, rz = bvh_node.anim_data[frame_current + 1]
if bvh_node.has_rot:
# apply rotation order and convert to XYZ
# note that the rot_order_str is reversed.
bone_rotation_matrix = Euler(
(rx, ry, rz),
bvh_node.rot_order_str[::-1]).to_matrix().to_4x4()
bone_rotation_matrix = bone_rest_matrix_inv * bone_rotation_matrix * bone_rest_matrix
if rotate_mode == 'QUATERNION':
pose_bone.rotation_quaternion = bone_rotation_matrix.to_quaternion(
)
else:
euler = bone_rotation_matrix.to_euler(
pose_bone.rotation_mode, prev_euler[i])
pose_bone.rotation_euler = euler
prev_euler[i] = euler
if bvh_node.has_loc:
pose_bone.location = (
bone_rest_matrix_inv * Matrix.Translation(
Vector((lx, ly, lz)) -
bvh_node.rest_head_local)).to_translation()
if bvh_node.has_loc:
pose_bone.keyframe_insert("location")
if bvh_node.has_rot:
if rotate_mode == 'QUATERNION':
pose_bone.keyframe_insert("rotation_quaternion")
else:
pose_bone.keyframe_insert("rotation_euler")
for cu in action.fcurves:
if IMPORT_LOOP:
pass # 2.5 doenst have cyclic now?
for bez in cu.keyframe_points:
bez.interpolation = 'LINEAR'
# finally apply matrix
arm_ob.matrix_world = global_matrix
bpy.ops.object.transform_apply(rotation=True)
return arm_ob
