[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [24919] trunk/blender/release/scripts/ modules/rigify.py: basic support for Sintels arm rig with property driven ik/ fk switching and stretch bones to display connections, still need to do shoulder hinge and hand delta offset bones
Campbell Barton
ideasman42 at gmail.com
Thu Nov 26 14:36:15 CET 2009
Revision: 24919
http://projects.blender.org/plugins/scmsvn/viewcvs.php?view=rev&root=bf-blender&revision=24919
Author: campbellbarton
Date: 2009-11-26 14:36:15 +0100 (Thu, 26 Nov 2009)
Log Message:
-----------
basic support for Sintels arm rig with property driven ik/fk switching and stretch bones to display connections, still need to do shoulder hinge and hand delta offset bones
Modified Paths:
--------------
trunk/blender/release/scripts/modules/rigify.py
Modified: trunk/blender/release/scripts/modules/rigify.py
===================================================================
--- trunk/blender/release/scripts/modules/rigify.py 2009-11-26 12:22:43 UTC (rev 24918)
+++ trunk/blender/release/scripts/modules/rigify.py 2009-11-26 13:36:15 UTC (rev 24919)
@@ -18,6 +18,7 @@
import bpy
from functools import reduce
+from Mathutils import Vector
# TODO, have these in a more general module
from rna_prop_ui import rna_idprop_ui_get, rna_idprop_ui_prop_get
@@ -36,31 +37,47 @@
else:
bone = arm.bones[bone_name]
- return obj, arm, pbone, bone
+ return arm, pbone, bone
def bone_basename(name):
return name.split(".")[0]
+def copy_bone_simple(arm, from_bone, name):
+ ebone = arm.edit_bones[from_bone]
+ ebone_new = arm.edit_bones.new(name)
+ ebone_new.head = ebone.head
+ ebone_new.tail = ebone.tail
+ ebone_new.roll = ebone.roll
+ return ebone_new
+
+
def add_stretch_to(obj, from_name, to_name, name):
'''
Adds a bone that stretches from one to another
'''
- is_editmode = (obj.mode == 'EDIT')
- if not is_editmode:
- bpy.ops.object.mode_set(mode='EDIT')
+ mode_orig = obj.mode
+ bpy.ops.object.mode_set(mode='EDIT')
arm = obj.data
stretch_ebone = arm.edit_bones.new(name)
stretch_name = stretch_ebone.name
+ del name
+
head = stretch_ebone.head = arm.edit_bones[from_name].head.copy()
- tail = stretch_ebone.tail = arm.edit_bones[to_name].head.copy()
+ #tail = stretch_ebone.tail = arm.edit_bones[to_name].head.copy()
+
+ # annoying exception for zero length bones, since its using stretch_to the rest pose doesnt really matter
+ #if (head - tail).length < 0.1:
+ if 1:
+ tail = stretch_ebone.tail = arm.edit_bones[from_name].tail.copy()
# Now for the constraint
bpy.ops.object.mode_set(mode='OBJECT')
from_pbone = obj.pose.bones[from_name]
to_pbone = obj.pose.bones[to_name]
+
stretch_pbone = obj.pose.bones[stretch_name]
con = stretch_pbone.constraints.new('COPY_LOCATION')
@@ -70,22 +87,63 @@
con = stretch_pbone.constraints.new('STRETCH_TO')
con.target = obj
con.subtarget = to_name
- con.original_length = (head-tail).length
+ con.original_length = (head - tail).length
con.keep_axis = 'PLANE_X'
con.volume = 'NO_VOLUME'
- if is_editmode:
- bpy.ops.object.mode_set(mode='EDIT')
- #else:
- # bpy.ops.object.mode_set(mode='OBJECT')
+ bpy.ops.object.mode_set(mode=mode_orig)
+def add_pole_target_bone(obj, base_name, name, mode='CROSS'):
+ '''
+ Does not actually create a poll target, just the bone to use as a poll target
+ '''
+ mode_orig = obj.mode
+ bpy.ops.object.mode_set(mode='EDIT')
+
+ arm = obj.data
+
+ poll_ebone = arm.edit_bones.new(base_name + "_poll")
+ base_ebone = arm.edit_bones[base_name]
+ poll_name = poll_ebone.name
+ parent_ebone = base_ebone.parent
+
+ base_head = base_ebone.head.copy()
+ base_tail = base_ebone.tail.copy()
+ base_dir = base_head - base_tail
+
+ parent_head = parent_ebone.head.copy()
+ parent_tail = parent_ebone.tail.copy()
+ parent_dir = parent_head - parent_tail
+
+ distance = (base_dir.length + parent_dir.length)
+
+ if mode == 'CROSS':
+ offset = base_dir.copy().normalize() - parent_dir.copy().normalize()
+ offset.length = distance
+ else:
+ offset = Vector(0,0,0)
+ if mode[0]=="+":
+ val = distance
+ else:
+ val = -distance
+
+ setattr(offset, mode[1].lower(), val)
+
+ poll_ebone.head = base_head + offset
+ poll_ebone.tail = base_head + (offset * (1.0 - (1.0 / 4.0)))
+
+ bpy.ops.object.mode_set(mode=mode_orig)
+
+ return poll_name
+
+
def gen_finger(obj, orig_bone_name):
# *** EDITMODE
# get assosiated data
- obj, arm, orig_pbone, orig_ebone = get_bone_data(obj, orig_bone_name)
+ arm, orig_pbone, orig_ebone = get_bone_data(obj, orig_bone_name)
obj.animation_data_create() # needed if its a new armature with no keys
@@ -121,7 +179,7 @@
driver_bone_pairs = []
for child_bone_name in children:
- obj, arm, pbone_child, child_ebone = get_bone_data(obj, child_bone_name)
+ arm, pbone_child, child_ebone = get_bone_data(obj, child_bone_name)
# finger.02 --> finger_driver.02
driver_bone_name = child_bone_name.split('.')
@@ -157,17 +215,17 @@
bpy.ops.object.mode_set(mode='OBJECT')
- obj, arm, orig_pbone, orig_bone = get_bone_data(obj, orig_bone_name)
- obj, arm, control_pbone, control_bone= get_bone_data(obj, control_bone_name)
+ arm, orig_pbone, orig_bone = get_bone_data(obj, orig_bone_name)
+ arm, control_pbone, control_bone= get_bone_data(obj, control_bone_name)
# only allow Y scale
control_pbone.lock_scale = (True, False, True)
- control_pbone["bend_ratio"]= 0.4
+ control_pbone["bend_ratio"] = 0.4
prop = rna_idprop_ui_prop_get(control_pbone, "bend_ratio", create=True)
- prop["min"] = 0.0
- prop["max"] = 1.0
+ prop["soft_min"] = 0.0
+ prop["soft_max"] = 1.0
con = orig_pbone.constraints.new('COPY_LOCATION')
con.target = obj
@@ -191,7 +249,7 @@
if i==2:
break
- obj, arm, driver_pbone, driver_bone = get_bone_data(obj, driver_bone_name)
+ arm, driver_pbone, driver_bone = get_bone_data(obj, driver_bone_name)
driver_pbone.rotation_mode = 'YZX'
fcurve_driver = driver_pbone.driver_add("rotation_euler", 0)
@@ -221,7 +279,7 @@
elif i==1:
driver.expression = '(-scale+1.0)*pi*2.0*br'
- obj, arm, child_pbone, child_bone = get_bone_data(obj, child_bone_name)
+ arm, child_pbone, child_bone = get_bone_data(obj, child_bone_name)
# only allow X rotation
driver_pbone.lock_rotation = child_pbone.lock_rotation = (False, True, True)
@@ -234,6 +292,8 @@
Use this bone to define a delta thats applied to its child in pose mode.
'''
+ arm = obj.data
+
mode_orig = obj.mode
bpy.ops.object.mode_set(mode='OBJECT')
@@ -244,47 +304,75 @@
print("only 1 child supported for delta")
child_name = children[0].name
+ arm, child_pbone, child_bone = get_bone_data(obj, child_name)
- delta_head = delta_pbone.head.copy()
- delta_tail = delta_pbone.tail.copy()
- delta_matrix = delta_pbone.matrix.copy()
+ delta_phead = delta_pbone.head.copy()
+ delta_ptail = delta_pbone.tail.copy()
+ delta_pmatrix = delta_pbone.matrix.copy()
+ child_phead = child_pbone.head.copy()
+ child_ptail = child_pbone.tail.copy()
+ child_pmatrix = child_pbone.matrix.copy()
+
+
children = delta_pbone.children
bpy.ops.object.mode_set(mode='EDIT')
- arm = obj.data
+ delta_ebone = arm.edit_bones[delta_name]
+ child_ebone = arm.edit_bones[child_name]
- # XXX -probably should allow via the UI
- for ebone in arm.edit_bones:
- ebone.selected = ebone.head_selected = ebone.tail_selected = False
+ delta_head = delta_ebone.head.copy()
+ delta_tail = delta_ebone.tail.copy()
- # Select for deleting
- delta_ebone = arm.edit_bones[delta_name]
- delta_ebone.selected = delta_ebone.head_selected = delta_ebone.tail_selected = True
+ # arm, parent_pbone, parent_bone = get_bone_data(obj, delta_name)
+ child_head = child_ebone.head.copy()
+ child_tail = child_ebone.tail.copy()
- bpy.ops.armature.delete()
+ arm.edit_bones.remove(delta_ebone)
+ del delta_ebone # cant use thz
bpy.ops.object.mode_set(mode='OBJECT')
# Move the child bone to the deltas location
obj.animation_data_create()
- child_pbone = obj.pose[child_name]
+ child_pbone = obj.pose.bones[child_name]
# ------------------- drivers
- fcurve_driver = child_pbone.driver_add("rotation_euler", 0)
- #fcurve_driver = obj.animation_data.drivers[-1] # XXX, WATCH THIS
- driver = fcurve_driver.driver
- driver.type = 'AVERAGE'
- mod = driver.modifiers.new('GENERATOR')
+ child_pbone.rotation_mode = 'XYZ'
+ rot = delta_pmatrix.invert().rotationPart() * child_pmatrix.rotationPart()
+ rot = rot.invert().toEuler()
- obj, arm, parent_pbone, parent_bone = get_bone_data(obj, delta_name)
+ fcurve_drivers = child_pbone.driver_add("rotation_euler", -1)
+ for i, fcurve_driver in enumerate(fcurve_drivers):
+ driver = fcurve_driver.driver
+ driver.type = 'AVERAGE'
+ #mod = fcurve_driver.modifiers.new('GENERATOR')
+ mod = fcurve_driver.modifiers[0]
+ mod.poly_order = 1
+ mod.coefficients[0] = rot[i]
+ mod.coefficients[1] = 0.0
+
+ # tricky, find the transform to drive the bone to this location.
+ delta_head_offset = child_pmatrix.rotationPart() * (delta_phead - child_phead)
+
+ fcurve_drivers = child_pbone.driver_add("location", -1)
+ for i, fcurve_driver in enumerate(fcurve_drivers):
+ driver = fcurve_driver.driver
+ driver.type = 'AVERAGE'
+ #mod = fcurve_driver.modifiers.new('GENERATOR')
+ mod = fcurve_driver.modifiers[0]
+ mod.poly_order = 1
+ mod.coefficients[0] = delta_head_offset[i]
+ mod.coefficients[1] = 0.0
+
+
+ # arm, parent_pbone, parent_bone = get_bone_data(obj, delta_name)
bpy.ops.object.mode_set(mode='EDIT')
-
bpy.ops.object.mode_set(mode=mode_orig)
@@ -293,6 +381,11 @@
the bone with the 'arm' property is the upper arm, this assumes a chain as follows.
[shoulder, upper_arm, forearm, hand]
...where this bone is 'upper_arm'
+
+ there are 3 chains
+ - Original
+ - IK, MCH-%s_ik
+ - IKSwitch, MCH-%s ()
"""
def validate_chain():
@@ -300,8 +393,8 @@
Sanity check and return the arm as a list of bone names.
'''
# do a sanity check
- obj, arm, orig_pbone, orig_ebone = get_bone_data(obj, orig_bone_name)
- shoulder_pbone = arm_pbone.parent
+ arm, orig_pbone, orig_ebone = get_bone_data(obj, orig_bone_name)
+ shoulder_pbone = orig_pbone.parent
if not shoulder_pbone:
@@ Diff output truncated at 10240 characters. @@
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