def __init__()

in main/model.py [0:0]


    def __init__(self, backbone_net, pose_net, skeleton_refine_net, skin_refine_net, mesh, root_joint_idx, align_joint_idx, non_rigid_joint_idx):
        super(Model, self).__init__()

        # template mesh things
        self.mesh = mesh
        self.skeleton = self.mesh.skeleton

        # keypoint things
        self.joint_num = len(self.skeleton)
        self.root_joint_idx = root_joint_idx
        self.align_joint_idx = align_joint_idx
        self.non_rigid_joint_idx = non_rigid_joint_idx

        # identity-dependent things
        self.register_buffer('id_code', torch.randn(cfg.id_code_dim))

        # modules
        self.backbone_net = backbone_net
        self.pose_net = pose_net
        self.skeleton_refine_net = skeleton_refine_net
        self.skin_refine_net = skin_refine_net
        #self.renderer = RenderLayer()
          
        # loss functions
        self.depthmap_loss = DepthmapLoss()
        self.joint_loss = JointLoss()
        self.penet_loss = PenetLoss(self.skeleton, self.mesh.segmentation, self.root_joint_idx, self.non_rigid_joint_idx)
        self.lap_loss = LaplacianLoss(self.mesh.v, self.mesh.vi)