diff options
Diffstat (limited to 'release/scripts/modules/rigify/spine.py')
| -rw-r--r-- | release/scripts/modules/rigify/spine.py | 129 |
1 files changed, 66 insertions, 63 deletions
diff --git a/release/scripts/modules/rigify/spine.py b/release/scripts/modules/rigify/spine.py index 20ba48bfef9..16cd4067eca 100644 --- a/release/scripts/modules/rigify/spine.py +++ b/release/scripts/modules/rigify/spine.py @@ -16,6 +16,8 @@ # # ##### END GPL LICENSE BLOCK ##### +# <pep8 compliant> + import bpy from rigify import bone_class_instance, copy_bone_simple from rna_prop_ui import rna_idprop_ui_prop_get @@ -23,6 +25,7 @@ from rna_prop_ui import rna_idprop_ui_prop_get # not used, defined for completeness METARIG_NAMES = ("pelvis", "ribcage") + def metarig_template(): bpy.ops.object.mode_set(mode='EDIT') obj = bpy.context.object @@ -98,7 +101,7 @@ def metarig_definition(obj, orig_bone_name): arm = obj.data ribcage = arm.bones[orig_bone_name] pelvis = ribcage.parent - + children = ribcage.children if len(children) != 1: print("expected the ribcage to have only 1 child.") @@ -108,11 +111,13 @@ def metarig_definition(obj, orig_bone_name): bone_definition.extend([child.name for child in child.children_recursive_basename]) return bone_definition + def fk(*args): main(*args) + def main(obj, bone_definition, base_names): - from Mathutils import Vector, Matrix, RotationMatrix + from Mathutils import Vector, RotationMatrix from math import radians, pi arm = obj.data @@ -138,11 +143,11 @@ def main(obj, bone_definition, base_names): spine_chain = [child] + child.children_recursive_basename spine_chain_orig = [child.name for child in spine_chain] ''' - + child = spine_chain[0] spine_chain_segment_length = child.length child.parent = mt.pelvis_e # was mt.ribcage - + # The first bone in the chain happens to be the basis of others, create them now ex = bone_class_instance(obj, ["pelvis", "ribcage", "ribcage_hinge", "spine_rotate"]) df = bone_class_instance(obj, ["pelvis", "ribcage"]) # DEF-wgt_pelvis, DEF-wgt_rib_cage @@ -153,33 +158,33 @@ def main(obj, bone_definition, base_names): ex.ribcage_hinge = ex.ribcage_hinge_e.name ex.ribcage_hinge_e.translate(Vector(0.0, spine_chain_segment_length / 4.0, 0.0)) mt.ribcage_e.parent = ex.ribcage_hinge_e - + ex.spine_rotate_e = copy_bone_simple(arm, mt.pelvis, "MCH-%s_rotate" % spine_chain_basename) ex.spine_rotate = ex.spine_rotate_e.name ex.spine_rotate_e.translate(Vector(0.0, spine_chain_segment_length / 2.0, 0.0)) # swap head/tail ex.spine_rotate_e.head, ex.spine_rotate_e.tail = ex.spine_rotate_e.tail.copy(), ex.spine_rotate_e.head.copy() ex.spine_rotate_e.parent = mt.pelvis_e - + df.pelvis_e = copy_bone_simple(arm, child.name, "DEF-wgt_%s" % mt.pelvis) df.pelvis = df.pelvis_e.name - df.pelvis_e.translate(Vector(spine_chain_segment_length * 2.0, -spine_chain_segment_length, 0.0)) + df.pelvis_e.translate(Vector(spine_chain_segment_length * 2.0, - spine_chain_segment_length, 0.0)) ex.pelvis_e = copy_bone_simple(arm, child.name, "MCH-wgt_%s" % mt.pelvis) ex.pelvis = ex.pelvis_e.name - ex.pelvis_e.translate(Vector(0.0, -spine_chain_segment_length, 0.0)) + ex.pelvis_e.translate(Vector(0.0, - spine_chain_segment_length, 0.0)) ex.pelvis_e.parent = mt.pelvis_e # Copy the last bone now child = spine_chain[-1] - + df.ribcage_e = copy_bone_simple(arm, child.name, "DEF-wgt_%s" % mt.ribcage) df.ribcage = df.ribcage_e.name - df.ribcage_e.translate(Vector(spine_chain_segment_length * 2.0, -df.ribcage_e.length / 2.0, 0.0)) - + df.ribcage_e.translate(Vector(spine_chain_segment_length * 2.0, - df.ribcage_e.length / 2.0, 0.0)) + ex.ribcage_e = copy_bone_simple(arm, child.name, "MCH-wgt_%s" % mt.ribcage) ex.ribcage = ex.ribcage_e.name - ex.ribcage_e.translate(Vector(0.0, -ex.ribcage_e.length / 2.0, 0.0)) + ex.ribcage_e.translate(Vector(0.0, - ex.ribcage_e.length / 2.0, 0.0)) ex.ribcage_e.parent = mt.ribcage_e spine_chain = [child.name for child in spine_chain] @@ -194,7 +199,7 @@ def main(obj, bone_definition, base_names): rv_chain = bone_class_instance(obj, spine_chain_attrs) # * ex_chain = bone_class_instance(obj, spine_chain_attrs) # MCH-rev_* del spine_chain_attrs - + for i, child_name in enumerate(spine_chain): child_name_orig = base_names[spine_chain_orig[i]] @@ -208,37 +213,37 @@ def main(obj, bone_definition, base_names): ebone = copy_bone_simple(arm, child_name, "MCH-rev_%s" % child_name_orig) setattr(rv_chain, attr, ebone.name) ebone.connected = False - + mt_chain.update() ex_chain.update() rv_chain.update() # Now we need to re-parent these chains - for i, child_name in enumerate(spine_chain_orig): + for i, child_name in enumerate(spine_chain_orig): attr = ex_chain.attr_names[i] + "_e" - + if i == 0: getattr(ex_chain, attr).parent = mt.pelvis_e else: attr_parent = ex_chain.attr_names[i-1] + "_e" getattr(ex_chain, attr).parent = getattr(ex_chain, attr_parent) - + # intentional! get the parent from the other paralelle chain member getattr(rv_chain, attr).parent = getattr(ex_chain, attr) - - + + # ex_chain needs to interlace bones! # Note, skip the first bone for i in range(1, spine_chain_len): # similar to neck child_name_orig = spine_chain_orig[i] spine_e = getattr(mt_chain, mt_chain.attr_names[i] + "_e") - + # dont store parent names, re-reference as each chain bones parent. spine_e_parent = arm.edit_bones.new("MCH-rot_%s" % child_name_orig) spine_e_parent.head = spine_e.head spine_e_parent.tail = spine_e.head + Vector(0.0, 0.0, spine_chain_segment_length / 2.0) spine_e_parent.roll = 0.0 - + spine_e = getattr(ex_chain, ex_chain.attr_names[i] + "_e") orig_parent = spine_e.parent spine_e.connected = False @@ -246,7 +251,7 @@ def main(obj, bone_definition, base_names): spine_e_parent.connected = False spine_e_parent.parent = orig_parent - + # Rotate the rev chain 180 about the by the first bones center point pivot = (rv_chain.spine_01_e.head + rv_chain.spine_01_e.tail) * 0.5 @@ -259,10 +264,10 @@ def main(obj, bone_definition, base_names): spine_e.tail = ((spine_e.tail - pivot) * matrix) + pivot spine_e.roll += pi # 180d roll del spine_e - - + + bpy.ops.object.mode_set(mode='OBJECT') - + # refresh pose bones mt.update() ex.update() @@ -270,41 +275,41 @@ def main(obj, bone_definition, base_names): mt_chain.update() ex_chain.update() rv_chain.update() - + # df.pelvis_p / DEF-wgt_pelvis con = df.pelvis_p.constraints.new('COPY_LOCATION') con.target = obj con.subtarget = ex.pelvis con.owner_space = 'LOCAL' con.target_space = 'LOCAL' - + con = df.pelvis_p.constraints.new('COPY_ROTATION') con.target = obj con.subtarget = ex.pelvis con.owner_space = 'LOCAL' con.target_space = 'LOCAL' - + # df.ribcage_p / DEF-wgt_rib_cage con = df.ribcage_p.constraints.new('COPY_ROTATION') con.target = obj con.subtarget = ex.ribcage con.owner_space = 'LOCAL' con.target_space = 'LOCAL' - + con = df.ribcage_p.constraints.new('COPY_LOCATION') con.target = obj con.subtarget = ex.ribcage con.owner_space = 'LOCAL' con.target_space = 'LOCAL' - + con = ex.ribcage_hinge_p.constraints.new('COPY_ROTATION') con.name = "hinge" con.target = obj con.subtarget = mt.pelvis - + # add driver hinge_driver_path = mt.ribcage_p.path_to_id() + '["hinge"]' - + fcurve = con.driver_add("influence", 0) driver = fcurve.driver tar = driver.targets.new() @@ -313,14 +318,13 @@ def main(obj, bone_definition, base_names): tar.id_type = 'OBJECT' tar.id = obj tar.rna_path = hinge_driver_path - + mod = fcurve.modifiers[0] mod.poly_order = 1 mod.coefficients[0] = 1.0 mod.coefficients[1] = -1.0 - - - + + con = ex.spine_rotate_p.constraints.new('COPY_ROTATION') con.target = obj con.subtarget = mt.ribcage @@ -338,7 +342,7 @@ def main(obj, bone_definition, base_names): con.subtarget = mt_chain.spine_01 con.owner_space = 'WORLD' con.target_space = 'WORLD' - + # ex.ribcage_p / MCH-wgt_rib_cage con = ex.ribcage_p.constraints.new('COPY_LOCATION') con.target = obj @@ -347,57 +351,57 @@ def main(obj, bone_definition, base_names): con = ex.ribcage_p.constraints.new('COPY_ROTATION') con.target = obj - con.subtarget = getattr(mt_chain, mt_chain.attr_names[-1]) - + con.subtarget = getattr(mt_chain, mt_chain.attr_names[-1]) + # mt.pelvis_p / rib_cage con = mt.ribcage_p.constraints.new('COPY_LOCATION') con.target = obj con.subtarget = mt.pelvis con.head_tail = 0.0 - + # This stores all important ID props prop = rna_idprop_ui_prop_get(mt.ribcage_p, "hinge", create=True) mt.ribcage_p["hinge"] = 1.0 prop["soft_min"] = 0.0 prop["soft_max"] = 1.0 - + prop = rna_idprop_ui_prop_get(mt.ribcage_p, "pivot_slide", create=True) mt.ribcage_p["pivot_slide"] = 0.5 prop["soft_min"] = 1.0 / spine_chain_len prop["soft_max"] = 1.0 - + for i in range(spine_chain_len - 1): prop_name = "bend_%.2d" % (i + 1) prop = rna_idprop_ui_prop_get(mt.ribcage_p, prop_name, create=True) mt.ribcage_p[prop_name] = 1.0 prop["soft_min"] = 0.0 prop["soft_max"] = 1.0 - + # Create a fake connected parent/child relationship with bone location constraints # positioned at the tip. - + # reverse bones / MCH-rev_spine.## for i in range(1, spine_chain_len): spine_p = getattr(rv_chain, rv_chain.attr_names[i] + "_p") spine_fake_parent_name = getattr(rv_chain, rv_chain.attr_names[i - 1]) - + con = spine_p.constraints.new('COPY_LOCATION') con.target = obj con.subtarget = spine_fake_parent_name con.head_tail = 1.0 del spine_p, spine_fake_parent_name, con - - + + # Constrain 'inbetween' bones - + # b01/max(0.001,b01+b02+b03+b04+b05) target_names = [("b%.2d" % (i + 1)) for i in range(spine_chain_len - 1)] expression_suffix = "/max(0.001,%s)" % "+".join(target_names) - + rib_driver_path = mt.ribcage_p.path_to_id() - + for i in range(1, spine_chain_len): - + spine_p = getattr(ex_chain, ex_chain.attr_names[i] + "_p") spine_p_parent = spine_p.parent # interlaced bone @@ -407,7 +411,7 @@ def main(obj, bone_definition, base_names): con.owner_space = 'LOCAL' con.target_space = 'LOCAL' del spine_p - + # add driver fcurve = con.driver_add("influence", 0) driver = fcurve.driver @@ -422,37 +426,37 @@ def main(obj, bone_definition, base_names): tar.id_type = 'OBJECT' tar.id = obj tar.rna_path = rib_driver_path + ('["bend_%.2d"]' % (j + 1)) - - + + # original bone drivers # note: the first bone has a lot more constraints, but also this simple one is first. for i, attr in enumerate(mt_chain.attr_names): spine_p = getattr(mt_chain, attr + "_p") - + con = spine_p.constraints.new('COPY_ROTATION') con.target = obj con.subtarget = getattr(ex_chain, attr) # lock to the copy's rotation del spine_p - + # pivot slide: - lots of copy location constraints. - + con = mt_chain.spine_01_p.constraints.new('COPY_LOCATION') con.name = "base" con.target = obj con.subtarget = rv_chain.spine_01 # lock to the reverse location - + for i in range(1, spine_chain_len + 1): con = mt_chain.spine_01_p.constraints.new('COPY_LOCATION') con.name = "slide_%d" % i con.target = obj - + if i == spine_chain_len: attr = mt_chain.attr_names[i - 1] else: attr = mt_chain.attr_names[i] con.subtarget = getattr(rv_chain, attr) # lock to the reverse location - + if i == spine_chain_len: con.head_tail = 1.0 @@ -464,12 +468,11 @@ def main(obj, bone_definition, base_names): tar.id_type = 'OBJECT' tar.id = obj tar.rna_path = rib_driver_path + '["pivot_slide"]' - + mod = fcurve.modifiers[0] mod.poly_order = 1 mod.coefficients[0] = - (i - 1) mod.coefficients[1] = spine_chain_len - + # no support for blending chains return None - |