def traverse_animation_curves(fbx_scene, fbx_node, fbx_layer, egg_parent):
for i in range(fbx_node.GetChildCount()):
fbx_child = fbx_node.GetChild(i)
if fbx_child.GetSkeleton() is None:
continue
xform_new = EggXfmSAnim("xform")
xform_new.setOrder(EggXfmSAnim.getStandardOrder())
# xform_new.setOrder("shprt")
xform_new.setFps(30)
for transform in get_transforms(fbx_child, fbx_layer):
xform_new.addData(transform)
egg_table = EggTable(fbx_child.GetName())
egg_table.addChild(xform_new)
egg_parent.addChild(egg_table)
traverse_animation_curves(fbx_scene, fbx_child, fbx_layer, egg_table)
def get_transforms(fbx_node, fbx_layer):
rotation_order = fbx_node.GetRotationOrder(fbx.FbxNode.eSourcePivot)
translation_curve = fbx_node.LclTranslation.GetCurve(fbx_layer, True)
rotation_curve = fbx_node.LclRotation.GetCurve(fbx_layer, True)
scaling_curve = fbx_node.LclScaling.GetCurve(fbx_layer, True)
translation_count = translation_curve.KeyGetCount()
rotation_count = rotation_curve.KeyGetCount()
scaling_count = scaling_curve.KeyGetCount()
key_count = max(translation_count, rotation_count, scaling_count)
# order = convert_fbx_rotation_order[rotation_order]
order = EggXfmSAnim.getStandardOrder() # srpht
# order = "shprt"
for key_index in range(key_count):
key_time = fbx.FbxTime()
key_time.SetFrame(key_index)
translation = convert_fbx_vector4(fbx_node.EvaluateLocalTranslation(key_time))
rotation = convert_fbx_vector4(fbx_node.EvaluateLocalRotation(key_time))
scaling = convert_fbx_vector4(fbx_node.EvaluateLocalScaling(key_time))
rotation = normalize_rotation_order(rotation_order, rotation)
# transform = fbx_node.EvaluateLocalTransform(key_time)
# translation = convert_fbx_vector4(transform.GetT())
# rotation = convert_fbx_vector4(transform.GetR())
# scaling = convert_fbx_vector4(transform.GetS())
shear = VBase3D(0, 0, 0)
mat = Mat4D()
EggXfmSAnim.composeWithOrder(mat, scaling, shear, rotation, translation, order, CSYupRight) # TODO: read coordinate system from fbx
yield mat
