
class SMPLSnapGroundPlane(bpy.types.Operator):
    bl_idname = "object.smpl_snap_ground_plane"
    bl_label = "Snap To Ground Plane"
    bl_description = ("Snaps mesh to the XY ground plane")
    bl_options = {'REGISTER', 'UNDO'}
 
    @classmethod
    def poll(cls, context):
        try:
            # Enable button only if mesh or armature is active object
            return ((context.object.type == 'MESH') or (context.object.type == 'ARMATURE'))
        except: return False
 
    def execute(self, context):
        bpy.ops.object.mode_set(mode='OBJECT')
 
        obj = bpy.context.object
        if obj.type == 'ARMATURE':
                    armature = obj
                    obj = bpy.context.object.children[0]
        else:
            armature = obj.parent
 
        # Get vertices with applied skin modifier in object coordinates
        depsgraph = context.evaluated_depsgraph_get()
        object_eval = obj.evaluated_get(depsgraph)
        mesh_from_eval = object_eval.to_mesh()
 
        # Get vertices in world coordinates
        matrix_world = obj.matrix_world
        vertices_world = [matrix_world @ vertex.co for vertex in mesh_from_eval.vertices]
        z_min = (min(vertices_world, key=lambda item: item.z)).z
        object_eval.to_mesh_clear() # Remove temporary mesh
 
        # Translate armature edit bones
        context.view_layer.objects.active = armature
        bpy.ops.object.mode_set(mode='EDIT')
        for edit_bone in armature.data.edit_bones:
            if edit_bone.name != "root":
                edit_bone.translate(Vector((0.0, 0.0, -z_min)))
 
        # Translate skinned mesh and apply translation
        bpy.ops.object.mode_set(mode='OBJECT')
        context.view_layer.objects.active = obj
        obj.location = (0.0, 0.0, -z_min)
 
        bpy.ops.object.transform_apply(location = True)
 
        return {'FINISHED'}

保存pose


class SMPLWritePose(bpy.types.Operator):
    bl_idname = "object.smpl_write_pose"
    bl_label = "Write Pose1"
    bl_description = ("Writes SMPL pose thetas to console window")
    bl_options = {'REGISTER', 'UNDO'}
 
    @classmethod
    def poll(cls, context):
        try:
            # Enable button only if mesh or armature is active object
            return (context.object.type == 'MESH') or (context.object.type == 'ARMATURE')
        except: return False
 
    def execute(self, context):
        obj = bpy.context.object
 
        if obj.type == 'MESH':
            armature = obj.parent
        else:
            armature = obj
 
        # Get armature pose in rodrigues representation
        pose = [0.0] * (len(SMPL_JOINT_NAMES) * 3)
 
        for index in range(len(SMPL_JOINT_NAMES)):
            joint_name = SMPL_JOINT_NAMES[index]
            joint_pose = rodrigues_from_pose(armature, joint_name)
            pose[index*3 + 0] = joint_pose[0]
            pose[index*3 + 1] = joint_pose[1]
            pose[index*3 + 2] = joint_pose[2]
 
        print("pose = " + str(pose))
        npz_file="1234.npz"
        np.savez_compressed(npz_file, joints_3d={"data": pose})
        return {'FINISHED'}

导入导出完整代码

这个可以导入导出，代码没有报错了，但是加载后没有显示出来，而且只能保存一帧，不能保存动画


# ##### BEGIN GPL LICENSE BLOCK #####
#
#  This program is free software; you can redistribute it and/or
#  modify it under the terms of the GNU General Public License
#  as published by the Free Software Foundation; either version 2
#  of the License, or (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software Foundation,
#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
import logging
 
bl_info = {
    "name": "SMPL for Blender",
    "author": "Joachim Tesch, Max Planck Institute for Intelligent Systems",
    "version": (2021, 6, 11),
    "blender": (2, 80, 0),
    "location": "Viewport > Right panel",
    "description": "SMPL for Blender",
    "wiki_url": "https://smpl.is.tue.mpg.de/",
    "category": "SMPL"}
 
import bpy
import bmesh
from bpy_extras.io_utils import ExportHelper # ExportHelper is a helper class, defines filename and invoke() function which calls the file selector.
 
from mathutils import Vector, Quaternion
from math import radians
import numpy as np
import os
import pickle
 
from bpy.props import ( BoolProperty, EnumProperty, FloatProperty, PointerProperty )
from bpy.types import ( PropertyGroup )
 
# SMPL globals
SMPL_JOINT_NAMES = {
    0:  'Pelvis',
    1:  'L_Hip',        4:  'L_Knee',            7:  'L_Ankle',           10: 'L_Foot',
    2:  'R_Hip',        5:  'R_Knee',            8:  'R_Ankle',           11: 'R_Foot',
    3:  'Spine1',       6:  'Spine2',            9:  'Spine3',            12: 'Neck',            15: 'Head',
    13: 'L_Collar',     16: 'L_Shoulder',       18: 'L_Elbow',            20: 'L_Wrist',         22: 'L_Hand',
    14: 'R_Collar',     17: 'R_Shoulder',       19: 'R_Elbow',            21: 'R_Wrist',         23: 'R_Hand',
}
smpl_joints = len(SMPL_JOINT_NAMES) 
# End SMPL globals
 
def rodrigues_from_pose(armature, bone_name):
    # Ensure that rotation mode is AXIS_ANGLE so the we get a correct readout of current pose
    armature.pose.bones[bone_name].rotation_mode = 'AXIS_ANGLE'
    axis_angle = armature.pose.bones[bone_name].rotation_axis_angle
 
    angle = axis_angle[0]
 
    rodrigues = Vector((axis_angle[1], axis_angle[2], axis_angle[3]))
    rodrigues.normalize()
    rodrigues = rodrigues * angle
    return rodrigues
 
def update_corrective_poseshapes(self, context):
    if self.smpl_corrective_poseshapes:
        bpy.ops.object.smpl_set_poseshapes('EXEC_DEFAULT')
    else:
        bpy.ops.object.smpl_reset_poseshapes('EXEC_DEFAULT')
 
# Property groups for UI
class PG_SMPLProperties(PropertyGroup):
 
    smpl_gender: EnumProperty(
        name = "Model",
        description = "SMPL model",
        items = [ ("female", "Female", ""), ("male", "Male", "") ]
    )
 
    smpl_texture: EnumProperty(
        name = "",
        description = "SMPL model texture",
        items = [ ("NONE", "None", ""), ("UV_GRID", "UV Grid", ""), ("COLOR_GRID", "Color Grid", "") ]
    )
 
    smpl_corrective_poseshapes: BoolProperty(
        name = "Corrective Pose Shapes",
        description = "Enable/disable corrective pose shapes of SMPL model",
        update = update_corrective_poseshapes
    )
 
    smpl_export_setting_shape_keys: EnumProperty(
        name = "",
        description = "Blend shape export settings",
        items = [ ("SHAPE_POSE", "All: Shape + Posecorrectives", "Export shape keys for body shape and pose correctives"), ("SHAPE", "Reduced: Shape space only", "Export only shape keys for body shape"), ("NONE", "None: Apply shape space", "Do not export any shape keys, shape keys for body shape will be baked into mesh") ],
    )
 
class SMPLAddGender(bpy.types.Operator):
    bl_idname = "scene.smpl_add_gender"
    bl_label = "Add"
    bl_description = ("Add SMPL model of selected gender to scene")
    bl_options = {'REGISTER', 'UNDO'}
 
    @classmethod
    def poll(cls, context):
        try:
            # Enable button only if in Object Mode
            if (context.active_object is None) or (context.active_object.mode == 'OBJECT'):
                return True
            else: 
                return False
        except: return False
 
    def execute(self, context):
        gender = context.window_manager.smpl_tool.smpl_gender
        print("Adding gender: " + gender)
 
        path = os.path.dirname(os.path.realpath(__file__))
        objects_path = os.path.join(path, "data", "smpl-model-20200803.blend", "Object")
        object_name = "SMPL-mesh-" + gender
 
        bpy.ops.wm.append(filename=object_name, directory=str(objects_path))
 
        # Select imported mesh
        object_name = context.selected_objects[0].name
        bpy.ops.object.select_all(action='DESELECT')
        context.view_layer.objects.active = bpy.data.objects[object_name]
        bpy.data.objects[object_name].select_set(True)
 
        return {'FINISHED'}
 
class SMPLSetTexture(bpy.types.Operator):
    bl_idname = "scene.smpl_set_texture"
    bl_label = "Set"
    bl_description = ("Set selected texture")
    bl_options = {'REGISTER', 'UNDO'}
 
    @classmethod
    def poll(cls, context):
        try:
            # Enable button only if in active object is mesh
            if (context.object.type == 'MESH'):
                return True
            else:
                return False
        except: return False
 
    def execute(self, context):
        texture = context.window_manager.smpl_tool.smpl_texture
        print("Setting texture: " + texture)
 
        obj = bpy.context.object
        if (len(obj.data.materials) == 0) or (obj.data.materials[0] is None):
            self.report({'WARNING'}, "Selected mesh has no material: %s" % obj.name)
            return {'CANCELLED'}
 
        mat = obj.data.materials[0]
        links = mat.node_tree.links
        nodes = mat.node_tree.nodes
 
        # Find texture node
        node_texture = None
        for node in nodes:
            if node.type == 'TEX_IMAGE':
                node_texture = node
                break
 
        # Find shader node
        node_shader = None
        for node in nodes:
            if node.type.startswith('BSDF'):
                node_shader = node
                break
 
        if texture == 'NONE':
            # Unlink texture node
            if node_texture is not None:
                for link in node_texture.outputs[0].links:
                    links.remove(link)
 
                nodes.remove(node_texture)
 
                # 3D Viewport still shows previous texture when texture link is removed via script.
                # As a workaround we trigger desired viewport update by setting color value.
                node_shader.inputs[0].default_value = node_shader.inputs[0].default_value
        else:
            if node_texture is None:
                node_texture = nodes.new(type="ShaderNodeTexImage")
 
            if texture == 'UV_GRID':
                if texture not in bpy.data.images:
                    bpy.ops.image.new(name=texture, generated_type='UV_GRID')
 
                image = bpy.data.images[texture]
            else:
                if texture not in bpy.data.images:
                    bpy.ops.image.new(name=texture, generated_type='COLOR_GRID')
 
                image = bpy.data.images[texture]
 
            node_texture.image = image
 
            # Link texture node to shader node if not already linked
            if len(node_texture.outputs[0].links) == 0:
                links.new(node_texture.outputs[0], node_shader.inputs[0])
 
        return {'FINISHED'}
 
class SMPLRandomShapes(bpy.types.Operator):
    bl_idname = "object.smpl_random_shapes"
    bl_label = "Random Shapes"
    bl_description = ("Sets all shape blend shape keys to a random value")
    bl_options = {'REGISTER', 'UNDO'}
 
    @classmethod
    def poll(cls, context):
        try:
            # Enable button only if mesh is active object
            return context.object.type == 'MESH'
        except: return False
 
    def execute(self, context):
        obj = bpy.context.object
        bpy.ops.object.mode_set(mode='OBJECT')
        for key_block in obj.data.shape_keys.key_blocks:
            if key_block.name.startswith("Shape"):
                key_block.value = np.random.normal(0.0, 1.0)
 
        bpy.ops.object.smpl_update_joint_locations('EXEC_DEFAULT')
 
        return {'FINISHED'}
 
class SMPLResetShapes(bpy.types.Operator):
    bl_idname = "object.smpl_reset_shapes"
    bl_label = "Reset"
    bl_description = ("Resets all blend shape keys for shape")
    bl_options = {'REGISTER', 'UNDO'}
 
    @classmethod
    def poll(cls, context):
        try:
            # Enable button only if mesh is active object
            return context.object.type == 'MESH'
        except: return False
 
    def execute(self, context):
        obj = bpy.context.object
        bpy.ops.object.mode_set(mode='OBJECT')
        for key_block in obj.data.shape_keys.key_blocks:
            if key_block.name.startswith("Shape"):
                key_block.value = 0.0
 
        bpy.ops.object.smpl_update_joint_locations('EXEC_DEFAULT')
 
        return {'FINISHED'}
 
class SMPLSnapGroundPlane(bpy.types.Operator):
    bl_idname = "object.smpl_snap_ground_plane"
    bl_label = "Snap To Ground Plane"
    bl_description = ("Snaps mesh to the XY ground plane")
    bl_options = {'REGISTER', 'UNDO'}
 
    @classmethod
    def poll(cls, context):
        try:
            # Enable button only if mesh or armature is active object
            return ((context.object.type == 'MESH') or (context.object.type == 'ARMATURE'))
        except: return False
 
    def execute(self, context):
        bpy.ops.object.mode_set(mode='OBJECT')
 
        obj = bpy.context.object
        if obj.type == 'ARMATURE':
                    armature = obj
                    obj = bpy.context.object.children[0]
        else:
            armature = obj.parent
 
        # Get vertices with applied skin modifier in object coordinates
        depsgraph = context.evaluated_depsgraph_get()
        object_eval = obj.evaluated_get(depsgraph)
        mesh_from_eval = object_eval.to_mesh()
 
        # Get vertices in world coordinates
        matrix_world = obj.matrix_world
        vertices_world = [matrix_world @ vertex.co for vertex in mesh_from_eval.vertices]
        z_min = (min(vertices_world, key=lambda item: item.z)).z
        object_eval.to_mesh_clear() # Remove temporary mesh
 
        # Translate armature edit bones
        context.view_layer.objects.active = armature
        bpy.ops.object.mode_set(mode='EDIT')
        for edit_bone in armature.data.edit_bones:
            if edit_bone.name != "root":
                edit_bone.translate(Vector((0.0, 0.0, -z_min)))
 
        # Translate skinned mesh and apply translation
        bpy.ops.object.mode_set(mode='OBJECT')
        context.view_layer.objects.active = obj
        obj.location = (0.0, 0.0, -z_min)
 
        bpy.ops.object.transform_apply(location = True)
 
        return {'FINISHED'}
 
class SMPLUpdateJointLocations(bpy.types.Operator):
    bl_idname = "object.smpl_update_joint_locations"
    bl_label = "Update Joint Locations"
    bl_description = ("Update joint locations after shape/expression changes")
    bl_options = {'REGISTER', 'UNDO'}
 
    j_regressor_male = None
    j_regressor_female = None
 
    @classmethod
    def poll(cls, context):
        try:
            # Enable button only if mesh is active object
            return ((context.object.type == 'MESH') and (context.object.parent.type == 'ARMATURE'))
        except: return False
 
    def execute(self, context):
        obj = bpy.context.object
        bpy.ops.object.mode_set(mode='OBJECT')
 
 
        if self.j_regressor_female is None:
            path = os.path.dirname(os.path.realpath(__file__))
            regressor_path = os.path.join(path, "data", "smpl_joint_regressor_female.npz")
            with np.load(regressor_path) as data:
                self.j_regressor_female = data['joint_regressor']
 
        if self.j_regressor_male is None:
            path = os.path.dirname(os.path.realpath(__file__))
            regressor_path = os.path.join(path, "data", "smpl_joint_regressor_male.npz")
            with np.load(regressor_path) as data:
                self.j_regressor_male = data['joint_regressor']
 
        if "female" in obj.name:
            j_regressor = self.j_regressor_female
        else:
            j_regressor = self.j_regressor_male
 
        # Store current bone rotations
        armature = obj.parent
 
        bone_rotations = {}
        for pose_bone in armature.pose.bones:
            pose_bone.rotation_mode = 'AXIS_ANGLE'
            axis_angle = pose_bone.rotation_axis_angle
            bone_rotations[pose_bone.name] = (axis_angle[0], axis_angle[1], axis_angle[2], axis_angle[3])
 
        # Set model in default pose
        for bone in armature.pose.bones:
            bpy.ops.object.smpl_reset_poseshapes('EXEC_DEFAULT')
            bone.rotation_mode = 'AXIS_ANGLE'
            bone.rotation_axis_angle = (0, 0, 1, 0)
 
        # Reset corrective poseshapes if used
        if context.window_manager.smpl_tool.smpl_corrective_poseshapes:
            bpy.ops.object.smpl_reset_poseshapes('EXEC_DEFAULT')
 
        # Get vertices with applied skin modifier
        depsgraph = context.evaluated_depsgraph_get()
        object_eval = obj.evaluated_get(depsgraph)
        mesh_from_eval = object_eval.to_mesh()
 
        # Get Blender vertices as numpy matrix
        vertices_np = np.zeros((len(mesh_from_eval.vertices)*3), dtype=np.float)
        mesh_from_eval.vertices.foreach_get("co", vertices_np)
        vertices_matrix = np.reshape(vertices_np, (len(mesh_from_eval.vertices), 3))
        object_eval.to_mesh_clear() # Remove temporary mesh
 
        # Note: Current joint regressor uses 6890 vertices as input which is slow numpy operation
        joint_locations = j_regressor @ vertices_matrix
 
        # Set new bone joint locations
        bpy.context.view_layer.objects.active = armature
        bpy.ops.object.mode_set(mode='EDIT')
 
        for index in range(smpl_joints):
            bone = armature.data.edit_bones[SMPL_JOINT_NAMES[index]]
            bone.head = (0.0, 0.0, 0.0)
            bone.tail = (0.0, 0.0, 0.1)
 
            bone_start = Vector(joint_locations[index])
            bone.translate(bone_start)
 
        bpy.ops.object.mode_set(mode='OBJECT')
        bpy.context.view_layer.objects.active = obj
 
        # Restore pose
        for pose_bone in armature.pose.bones:
            pose_bone.rotation_mode = 'AXIS_ANGLE'
            pose_bone.rotation_axis_angle = bone_rotations[pose_bone.name]
 
        # Restore corrective poseshapes if used
        if context.window_manager.smpl_tool.smpl_corrective_poseshapes:
            bpy.ops.object.smpl_set_poseshapes('EXEC_DEFAULT')
 
        return {'FINISHED'}
 
class SMPLSetPoseshapes(bpy.types.Operator):
    bl_idname = "object.smpl_set_poseshapes"
    bl_label = "Set Pose Shapes"
    bl_description = ("Sets corrective poseshapes for current pose")
    bl_options = {'REGISTER', 'UNDO'}
 
    @classmethod
    def poll(cls, context):
        try:
            # Enable button only if mesh is active object and parent is armature
            return ( ((context.object.type == 'MESH') and (context.object.parent.type == 'ARMATURE')) or (context.object.type == 'ARMATURE'))
        except: return False
 
    # https://github.com/gulvarol/surreal/blob/master/datageneration/main_part1.py
    # Computes rotation matrix through Rodrigues formula as in cv2.Rodrigues
    def rodrigues_to_mat(self, rotvec):
        theta = np.linalg.norm(rotvec)
        r = (rotvec/theta).reshape(3, 1) if theta > 0. else rotvec
        cost = np.cos(theta)
        mat = np.asarray([[0, -r[2], r[1]],
                        [r[2], 0, -r[0]],
                        [-r[1], r[0], 0]])
        return(cost*np.eye(3) + (1-cost)*r.dot(r.T) + np.sin(theta)*mat)
 
    # https://github.com/gulvarol/surreal/blob/master/datageneration/main_part1.py
    # Calculate weights of pose corrective blend shapes
    # Input is pose of all 24 joints, output is weights for all joints except pelvis (23)
    def rodrigues_to_posecorrective_weight(self, pose):
        joints_posecorrective = smpl_joints
        rod_rots = np.asarray(pose).reshape(joints_posecorrective, 3)
        mat_rots = [self.rodrigues_to_mat(rod_rot) for rod_rot in rod_rots]
        bshapes = np.concatenate([(mat_rot - np.eye(3)).ravel() for mat_rot in mat_rots[1:]])
        return(bshapes)
 
    def execute(self, context):
        obj = bpy.context.object
 
        # Get armature pose in rodrigues representation
        if obj.type == 'ARMATURE':
            armature = obj
            obj = bpy.context.object.children[0]
        else:
            armature = obj.parent
 
        pose = [0.0] * (smpl_joints * 3)
 
        for index in range(smpl_joints):
            joint_name = SMPL_JOINT_NAMES[index]
            joint_pose = rodrigues_from_pose(armature, joint_name)
            pose[index*3 + 0] = joint_pose[0]
            pose[index*3 + 1] = joint_pose[1]
            pose[index*3 + 2] = joint_pose[2]
 
        # print("Current pose: " + str(pose))
 
        poseweights = self.rodrigues_to_posecorrective_weight(pose)
 
        # Set weights for pose corrective shape keys
        for index, weight in enumerate(poseweights):
            obj.data.shape_keys.key_blocks["Pose%03d" % index].value = weight
 
        # Set checkbox without triggering update function
        context.window_manager.smpl_tool["smpl_corrective_poseshapes"] = True
 
        return {'FINISHED'}
 
class SMPLResetPoseshapes(bpy.types.Operator):
    bl_idname = "object.smpl_reset_poseshapes"
    bl_label = "Reset"
    bl_description = ("Resets corrective poseshapes for current pose")
    bl_options = {'REGISTER', 'UNDO'}
 
    @classmethod
    def poll(cls, context):
        try:
            # Enable button only if mesh is active object and parent is armature
            return ( ((context.object.type == 'MESH') and (context.object.parent.type == 'ARMATURE')) or (context.object.type == 'ARMATURE'))
        except: return False
 
    def execute(self, context):
        obj = bpy.context.object
 
        if obj.type == 'ARMATURE':
            obj = bpy.context.object.children[0]
 
        for key_block in obj.data.shape_keys.key_blocks:
            if key_block.name.startswith("Pose"):
                key_block.value = 0.0
 
        return {'FINISHED'}
 
 
def set_pose_from_rodrigues(armature, bone_name, rodrigues, rodrigues_reference=None, frame=1):  # I wish frame=bpy.data.scenes[0].frame_current worked here, but it doesn't
    rod = Vector((rodrigues[0], rodrigues[1], rodrigues[2]))
    angle_rad = rod.length
    axis = rod.normalized()
 
    pbone = armature.pose.bones[bone_name]
    pbone.rotation_mode = 'QUATERNION'
    quat = Quaternion(axis, angle_rad)
 
    if rodrigues_reference is None:
        pbone.rotation_quaternion = quat
    else:
        # SMPL-X is adding the reference rodrigues rotation to the
        # relaxed hand rodrigues rotation, so we have to do the same here.
        # This means that pose values for relaxed hand model cannot be
        # interpreted as rotations in the local joint coordinate system of the relaxed hand.
        # https://github.com/vchoutas/smplx/blob/f4206853a4746139f61bdcf58571f2cea0cbebad/smplx/body_models.py#L1190
        #   full_pose += self.pose_mean
        rod_reference = Vector((rodrigues_reference[0], rodrigues_reference[1], rodrigues_reference[2]))
        rod_result = rod + rod_reference
        angle_rad_result = rod_result.length
        axis_result = rod_result.normalized()
        quat_result = Quaternion(axis_result, angle_rad_result)
        pbone.rotation_quaternion = quat_result
 
    pbone.keyframe_insert(data_path="rotation_quaternion", frame=frame)
 
    if bone_name == 'pelvis':
        pbone.keyframe_insert('location', frame=frame)
 
    return
class SMPLLoadPose(bpy.types.Operator):
    bl_idname = "object.smpl_load_pose"
    bl_label = "Load Pose"
    bl_description = ("Load SMPL pose thetas to console window")
    bl_options = {'REGISTER', 'UNDO'}
 
    @classmethod
    def poll(cls, context):
        try:
            # Enable button only if mesh or armature is active object
            return (context.object.type == 'MESH') or (context.object.type == 'ARMATURE')
        except: return False
 
    def execute(self, context):
        self.frame_number=5
        obj = bpy.context.object
        if obj.type == 'MESH':
            armature = obj.parent
        else:
            armature = obj
            obj = armature.children[0]
            context.view_layer.objects.active = obj  # mesh needs to be active object for recalculating joint locations
 
        joint_names = SMPL_JOINT_NAMES
        obj = bpy.context.object
 
        npz_path = r"C:\Program Files\Blender Foundation\Blender 4.0\1234.npz"
 
        npz_data = np.load(npz_path, allow_pickle=True)
        if 'joints_3d' not in npz_data:
            print('joints_3d not find')
            return
        data = npz_data['joints_3d'].item()['data']
        body_pose = data.reshape(( 24, 3))
        logging.error("np.array(data):"+str(len(np.array(data))))
        # pose_index = max(0, min(self.frame_number, (len(np.array(data)))))  # clamp the frame they give you from 0 and the max number of frames in this poses array
        # body_pose = np.array(data[pose_index]).reshape(len(joint_names), 3)
 
        # pose the entire body
        for index in range(len(joint_names)):
            pose_rodrigues = body_pose[index]
            bone_name = joint_names[index]
            set_pose_from_rodrigues(armature, bone_name, pose_rodrigues, frame=bpy.data.scenes[0].frame_current)
 
        return {'FINISHED'}
class SMPLWritePose(bpy.types.Operator):
    bl_idname = "object.smpl_write_pose"
    bl_label = "Write Pose1"
    bl_description = ("Writes SMPL pose thetas to console window")
    bl_options = {'REGISTER', 'UNDO'}
 
    @classmethod
    def poll(cls, context):
        try:
            # Enable button only if mesh or armature is active object
            return (context.object.type == 'MESH') or (context.object.type == 'ARMATURE')
        except: return False
 
    def execute(self, context):
        obj = bpy.context.object
 
        if obj.type == 'MESH':
            armature = obj.parent
        else:
            armature = obj
 
        # Get armature pose in rodrigues representation
        pose = [0.0] * (len(SMPL_JOINT_NAMES) * 3)
 
        for index in range(len(SMPL_JOINT_NAMES)):
            joint_name = SMPL_JOINT_NAMES[index]
            joint_pose = rodrigues_from_pose(armature, joint_name)
            pose[index*3 + 0] = joint_pose[0]
            pose[index*3 + 1] = joint_pose[1]
            pose[index*3 + 2] = joint_pose[2]
 
        print("pose = " + str(pose))
        npz_file="1234.npz"
        np.savez_compressed(npz_file, joints_3d={"data": np.array([pose])})
        return {'FINISHED'}
 
class SMPLResetPose(bpy.types.Operator):
    bl_idname = "object.smpl_reset_pose"
    bl_label = "Reset Pose"
    bl_description = ("Resets pose to default zero pose")
    bl_options = {'REGISTER', 'UNDO'}
 
    @classmethod
    def poll(cls, context):
        try:
            # Enable button only if mesh is active object
            return ( ((context.object.type == 'MESH') and (context.object.parent.type == 'ARMATURE')) or (context.object.type == 'ARMATURE'))
        except: return False
 
    def execute(self, context):
        obj = bpy.context.object
 
        if obj.type == 'MESH':
            armature = obj.parent
        else:
            armature = obj
 
        for bone in armature.pose.bones:
            bone.rotation_mode = 'AXIS_ANGLE'
            bone.rotation_axis_angle = (0, 0, 1, 0)
 
        # Reset corrective pose shapes
        bpy.ops.object.smpl_reset_poseshapes('EXEC_DEFAULT')
 
        return {'FINISHED'}
 
class SMPLExportUnityFBX(bpy.types.Operator, ExportHelper):
    bl_idname = "object.smpl_export_unity_fbx"
    bl_label = "Export Unity FBX"
    bl_description = ("Export skinned mesh to Unity in FBX format")
    bl_options = {'REGISTER', 'UNDO'}
 
    # ExportHelper mixin class uses this
    filename_ext = ".fbx"
 
    @classmethod
    def poll(cls, context):
        try:
            # Enable button only if mesh is active object
            return (context.object.type == 'MESH')
        except: return False
 
    def execute(self, context):
 
        obj = bpy.context.object
        export_shape_keys = context.window_manager.smpl_tool.smpl_export_setting_shape_keys
 
        armature_original = obj.parent
        skinned_mesh_original = obj
 
        # Operate on temporary copy of skinned mesh and armature
        bpy.ops.object.select_all(action='DESELECT')
        skinned_mesh_original.select_set(True)
        armature_original.select_set(True)
        bpy.context.view_layer.objects.active = skinned_mesh_original
        bpy.ops.object.duplicate()
        skinned_mesh = bpy.context.object
        armature = skinned_mesh.parent
 
        # Reset pose
        bpy.ops.object.smpl_reset_pose('EXEC_DEFAULT')
 
        if export_shape_keys != 'SHAPE_POSE':
            # Remove pose corrective shape keys
            print('Removing pose corrective shape keys')
            num_shape_keys = len(skinned_mesh.data.shape_keys.key_blocks.keys())
 
            current_shape_key_index = 0
            for index in range(0, num_shape_keys):
                bpy.context.object.active_shape_key_index = current_shape_key_index
 
                if bpy.context.object.active_shape_key is not None:
                    if bpy.context.object.active_shape_key.name.startswith('Pose'):
                        bpy.ops.object.shape_key_remove(all=False)
                    else:
                        current_shape_key_index = current_shape_key_index + 1        
 
        if export_shape_keys == 'NONE':
            # Bake and remove shape keys
            print("Baking shape and removing shape keys for shape")
 
            # Create shape mix for current shape
            bpy.ops.object.shape_key_add(from_mix=True)
            num_shape_keys = len(skinned_mesh.data.shape_keys.key_blocks.keys())
 
            # Remove all shape keys except newly added one
            bpy.context.object.active_shape_key_index = 0
            for count in range(0, num_shape_keys):
                bpy.ops.object.shape_key_remove(all=False)
 
        # Model (skeleton and skinned mesh) needs to have rotation of (90, 0, 0) when exporting so that it will have rotation (0, 0, 0) when imported into Unity
        bpy.ops.object.mode_set(mode='OBJECT')
 
        bpy.ops.object.select_all(action='DESELECT')
        skinned_mesh.select_set(True)
        skinned_mesh.rotation_euler = (radians(-90), 0, 0)
        bpy.context.view_layer.objects.active = skinned_mesh
        bpy.ops.object.transform_apply(rotation = True)
        skinned_mesh.rotation_euler = (radians(90), 0, 0)
        skinned_mesh.select_set(False)
 
        armature.select_set(True)
        armature.rotation_euler = (radians(-90), 0, 0)
        bpy.context.view_layer.objects.active = armature
        bpy.ops.object.transform_apply(rotation = True)
        armature.rotation_euler = (radians(90), 0, 0)
 
        # Select armature and skinned mesh for export
        skinned_mesh.select_set(True)
 
        # Rename armature and skinned mesh to not contain Blender copy suffix
        if "female" in skinned_mesh.name:
            gender = "female"
        else:
            gender = "male"
 
        target_mesh_name = "SMPL-mesh-%s" % gender
        target_armature_name = "SMPL-%s" % gender
 
        if target_mesh_name in bpy.data.objects:
            bpy.data.objects[target_mesh_name].name = "SMPL-temp-mesh"
        skinned_mesh.name = target_mesh_name
 
        if target_armature_name in bpy.data.objects:
            bpy.data.objects[target_armature_name].name = "SMPL-temp-armature"
        armature.name = target_armature_name
 
        bpy.ops.export_scene.fbx(filepath=self.filepath, use_selection=True, apply_scale_options="FBX_SCALE_ALL", add_leaf_bones=False)
 
        print("Exported: " + self.filepath)
 
        # Remove temporary copies of armature and skinned mesh
        bpy.ops.object.select_all(action='DESELECT')
        skinned_mesh.select_set(True)
        armature.select_set(True)
        bpy.ops.object.delete()
 
        bpy.ops.object.select_all(action='DESELECT')
        skinned_mesh_original.select_set(True)
        bpy.context.view_layer.objects.active = skinned_mesh_original
 
        if "SMPL-temp-mesh" in bpy.data.objects:
            bpy.data.objects["SMPL-temp-mesh"].name = target_mesh_name
 
        if "SMPL-temp-armature" in bpy.data.objects:
            bpy.data.objects["SMPL-temp-armature"].name = target_armature_name
 
        return {'FINISHED'}
 
class SMPL_PT_Model(bpy.types.Panel):
    bl_label = "SMPL Model"
    bl_category = "SMPL"
    bl_space_type = "VIEW_3D"
    bl_region_type = "UI"
 
    def draw(self, context):
 
        layout = self.layout
        col = layout.column(align=True)
        
        row = col.row(align=True)
        col.prop(context.window_manager.smpl_tool, "smpl_gender")
        col.operator("scene.smpl_add_gender", text="Add")
 
        col.separator()
        col.label(text="Texture:")
        row = col.row(align=True)
        split = row.split(factor=0.75, align=True)
        split.prop(context.window_manager.smpl_tool, "smpl_texture")
        split.operator("scene.smpl_set_texture", text="Set")
 
class SMPL_PT_Shape(bpy.types.Panel):
    bl_label = "Shape"
    bl_category = "SMPL"
    bl_space_type = "VIEW_3D"
    bl_region_type = "UI"
 
    def draw(self, context):
        layout = self.layout
        col = layout.column(align=True)
 
        row = col.row(align=True)
        split = row.split(factor=0.75, align=True)
        split.operator("object.smpl_random_shapes")
        split.operator("object.smpl_reset_shapes")
        col.separator()
 
        col.operator("object.smpl_snap_ground_plane")
        col.separator()
 
        col.operator("object.smpl_update_joint_locations")
 
class SMPL_PT_Pose(bpy.types.Panel):
    bl_label = "Pose"
    bl_category = "SMPL"
    bl_space_type = "VIEW_3D"
    bl_region_type = "UI"
 
    def draw(self, context):
        layout = self.layout
        col = layout.column(align=True)
 
        col.prop(context.window_manager.smpl_tool, "smpl_corrective_poseshapes")
        col.separator()
        col.operator("object.smpl_set_poseshapes")
        col.separator()
        col.operator("object.smpl_load_pose")
        col.separator()
        col.operator("object.smpl_write_pose")
        col.separator()
 
class SMPL_PT_Export(bpy.types.Panel):
    bl_label = "Export"
    bl_category = "SMPL"
    bl_space_type = "VIEW_3D"
    bl_region_type = "UI"
 
    def draw(self, context):
        layout = self.layout
        col = layout.column(align=True)
 
        col.label(text="Shape Keys (Blend Shapes):")
        col.prop(context.window_manager.smpl_tool, "smpl_export_setting_shape_keys")
        col.separator()
        col.separator()
 
        col.operator("object.smpl_export_unity_fbx")
        col.separator()
 
#        export_button = col.operator("export_scene.obj", text="Export OBJ [m]", icon='EXPORT')
#        export_button.global_scale = 1.0
#        export_button.use_selection = True
#        col.separator()
 
        row = col.row(align=True)
        row.operator("ed.undo", icon='LOOP_BACK')
        row.operator("ed.redo", icon='LOOP_FORWARDS')
        col.separator()
 
        (year, month, day) = bl_info["version"]
        col.label(text="Version: %s-%s-%s" % (year, month, day))
 
classes = [
    PG_SMPLProperties,
    SMPLAddGender,
    SMPLSetTexture,
    SMPLRandomShapes,
    SMPLResetShapes,
    SMPLSnapGroundPlane,
    SMPLUpdateJointLocations,
    SMPLSetPoseshapes,
    SMPLResetPoseshapes,
    SMPLLoadPose,
    SMPLWritePose,
    SMPLResetPose,
    SMPLExportUnityFBX,
    SMPL_PT_Model,
    SMPL_PT_Shape,
    SMPL_PT_Pose,
    SMPL_PT_Export
]
 
def register():
    from bpy.utils import register_class
    for cls in classes:
        bpy.utils.register_class(cls)
 
    # Store properties under WindowManager (not Scene) so that they are not saved in .blend files and always show default values after loading
    bpy.types.WindowManager.smpl_tool = PointerProperty(type=PG_SMPLProperties)
 
def unregister():
    from bpy.utils import unregister_class
    for cls in classes:
        bpy.utils.unregister_class(cls)
 
    del bpy.types.WindowManager.smpl_tool
 
if __name__ == "__main__":
    register()

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