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Advanced Retargeting option: If the end user armature is complex, on the level of Sintel/Mancandy rigs, the user is requested to mark Advanced Retargeting, and constraints will be semi automatically configured to retarget the animation and then Retargeting will bake and remove these constraints

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Benjy Cook
2011-08-11 13:47:49 +00:00
parent fee7337249
commit 87e9c0ffaa
2 changed files with 127 additions and 13 deletions
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89
release/scripts/modules/retarget.py
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@@ -21,6 +21,7 @@
import bpy
from mathutils import *
from math import radians, acos
from bl_operators import nla
import cProfile
@@ -264,6 +265,7 @@ def copyTranslation(performer_obj, enduser_obj, perfFeet, root, s_frame, e_frame
v = locDeriv[key][i]
hipV = locDeriv[perfRoot][i]
endV = locDeriv[perf_bones[key].bone.map][i]
print(v.length,)
if (v.length < 0.1):
#this is a plant frame.
#lets see what the original hip delta is, and the corresponding
@@ -284,6 +286,7 @@ def copyTranslation(performer_obj, enduser_obj, perfFeet, root, s_frame, e_frame
stride_bone.name = "stride_bone"
print(stride_bone)
stride_bone.location = Vector((0, 0, 0))
print(linearAvg)
if linearAvg:
#determine the average change in scale needed
avg = sum(linearAvg) / len(linearAvg)
@@ -295,6 +298,8 @@ def copyTranslation(performer_obj, enduser_obj, perfFeet, root, s_frame, e_frame
newTranslation = (tailLoc(perf_bones[perfRoot]) / avg)
stride_bone.location = enduser_obj_mat * (newTranslation - initialPos)
stride_bone.keyframe_insert("location")
else:
stride_bone.keyframe_insert("location")
stride_bone.animation_data.action.name = ("Stride Bone " + action_name)
return stride_bone
@@ -439,10 +444,66 @@ def NLASystemInitialize(enduser_arm, context):#enduser_obj, name):
anim_data.action = None
def preAdvancedRetargeting(performer_obj, enduser_obj):
createDictionary(performer_obj.data, enduser_obj.data)
bones = enduser_obj.pose.bones
map_bones = [bone for bone in bones if bone.bone.reverseMap]
for bone in map_bones:
perf_bone = bone.bone.reverseMap[0].name
addLocalRot = False;
if bone.bone.use_connect or not bone.constraints:
locks = bone.lock_location
if not (locks[0] or locks[1] or locks[2]):
cons = bone.constraints.new('COPY_LOCATION')
cons.name = "retargetTemp"
cons.use_x = not locks[0]
cons.use_y = not locks[1]
cons.use_z = not locks[2]
cons.target = performer_obj
cons.subtarget = perf_bone
addLocalRot = True
cons2 = bone.constraints.new('COPY_ROTATION')
cons2.name = "retargetTemp"
locks = bone.lock_rotation
cons2.use_x = not locks[0]
cons2.use_y = not locks[1]
cons2.use_z = not locks[2]
cons2.target = performer_obj
cons2.subtarget = perf_bone
if addLocalRot:
for constraint in bone.constraints:
if constraint.type == 'COPY_ROTATION':
constraint.target_space = 'LOCAL'
constraint.owner_space = 'LOCAL_WITH_PARENT'
def prepareForBake(enduser_obj):
bones = enduser_obj.pose.bones
for bone in bones:
bone.bone.select = False
map_bones = [bone for bone in bones if bone.bone.reverseMap]
for bone in map_bones:
for cons in bone.constraints:
if "retargetTemp" in cons.name:
bone.bone.select = True
def cleanTempConstraints(enduser_obj):
bones = enduser_obj.pose.bones
map_bones = [bone for bone in bones if bone.bone.reverseMap]
for bone in map_bones:
for cons in bone.constraints:
if "retargetTemp" in cons.name:
bone.constraints.remove(cons)
#Main function that runs the retargeting sequence.
#If advanced == True, we assume constraint's were already created
def totalRetarget(performer_obj, enduser_obj, scene, s_frame, e_frame):
perf_arm = performer_obj.data
end_arm = enduser_obj.data
advanced = end_arm.advancedRetarget
try:
enduser_obj.animation_data.action = bpy.data.actions.new("temp")
@@ -450,27 +511,33 @@ def totalRetarget(performer_obj, enduser_obj, scene, s_frame, e_frame):
except:
print("no need to create new action")
print("creating Dictionary")
feetBones, root = createDictionary(perf_arm, end_arm)
print("cleaning stuff up")
perf_obj_mat, enduser_obj_mat = cleanAndStoreObjMat(performer_obj, enduser_obj)
turnOffIK(enduser_obj)
print("Creating intermediate armature (for first pass)")
inter_obj = createIntermediate(performer_obj, enduser_obj, root, s_frame, e_frame, scene)
print("First pass: retargeting from intermediate to end user")
retargetEnduser(inter_obj, enduser_obj, root, s_frame, e_frame, scene)
if not advanced:
turnOffIK(enduser_obj)
print("Creating intermediate armature (for first pass)")
inter_obj = createIntermediate(performer_obj, enduser_obj, root, s_frame, e_frame, scene)
print("First pass: retargeting from intermediate to end user")
retargetEnduser(inter_obj, enduser_obj, root, s_frame, e_frame, scene)
else:
prepareForBake(enduser_obj)
print("Retargeting pose (Advanced Retarget)")
nla.bake(s_frame, e_frame, action=enduser_obj.animation_data.action, only_selected=True, do_pose=True, do_object=False)
name = performer_obj.animation_data.action.name
enduser_obj.animation_data.action.name = "Base " + name
print("Second pass: retargeting root translation and clean up")
stride_bone = copyTranslation(performer_obj, enduser_obj, feetBones, root, s_frame, e_frame, scene, enduser_obj_mat)
IKRetarget(performer_obj, enduser_obj, s_frame, e_frame, scene)
if not advanced:
IKRetarget(performer_obj, enduser_obj, s_frame, e_frame, scene)
restoreObjMat(performer_obj, enduser_obj, perf_obj_mat, enduser_obj_mat, stride_bone)
bpy.ops.object.mode_set(mode='OBJECT')
bpy.ops.object.select_name(name=inter_obj.name, extend=False)
bpy.ops.object.delete()
if not advanced:
bpy.ops.object.select_name(name=inter_obj.name, extend=False)
bpy.ops.object.delete()
else:
cleanTempConstraints(enduser_obj)
bpy.ops.object.select_name(name=enduser_obj.name, extend=False)
if not name in [tracks.name for tracks in end_arm.mocapNLATracks]: