residual-fly-angle.hpp

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// BSD 3-Clause License
//
// Copyright (C) 2022 LAAS-CNRS
// Copyright note valid unless otherwise stated in individual files.
// All rights reserved.
 
#ifndef SOBEC_RESIDUAL_FLY_ANGLE_HPP_
#define SOBEC_RESIDUAL_FLY_ANGLE_HPP_
 
#include <crocoddyl/core/residual-base.hpp>
#include <crocoddyl/multibody/data/multibody.hpp>
#include <crocoddyl/multibody/fwd.hpp>
#include <crocoddyl/multibody/states/multibody.hpp>
 
#include "sobec/fwd.hpp"
 
namespace sobec {
using namespace crocoddyl;
template <typename _Scalar>
class ResidualModelFlyAngleTpl : public ResidualModelAbstractTpl<_Scalar> {
 public:
  EIGEN_MAKE_ALIGNED_OPERATOR_NEW
 
  typedef _Scalar Scalar;
  typedef MathBaseTpl<Scalar> MathBase;
  typedef ResidualModelAbstractTpl<Scalar> Base;
  typedef ResidualDataFlyAngleTpl<Scalar> Data;
  typedef StateMultibodyTpl<Scalar> StateMultibody;
  typedef ResidualDataAbstractTpl<Scalar> ResidualDataAbstract;
  typedef DataCollectorAbstractTpl<Scalar> DataCollectorAbstract;
  typedef typename MathBase::Vector3s Vector3s;
  typedef typename MathBase::VectorXs VectorXs;
  typedef typename MathBase::MatrixXs MatrixXs;
  typedef typename MathBase::Matrix3s Matrix3s;
 
  ResidualModelFlyAngleTpl(boost::shared_ptr<StateMultibody> state,
                           const pinocchio::FrameIndex frame_id,
                           const Scalar slope, const Scalar height,
                           const Scalar dist, const Scalar width,
                           const std::size_t nu);
 
  ResidualModelFlyAngleTpl(boost::shared_ptr<StateMultibody> state,
                           const pinocchio::FrameIndex frame_id,
                           const Scalar slope, const Scalar height,
                           const Scalar dist, const Scalar width);
  virtual ~ResidualModelFlyAngleTpl();
 
  virtual void calc(const boost::shared_ptr<ResidualDataAbstract>& data,
                    const Eigen::Ref<const VectorXs>& x,
                    const Eigen::Ref<const VectorXs>& u);
 
  virtual void calcDiff(const boost::shared_ptr<ResidualDataAbstract>& data,
                        const Eigen::Ref<const VectorXs>& x,
                        const Eigen::Ref<const VectorXs>& u);
  virtual boost::shared_ptr<ResidualDataAbstract> createData(
      DataCollectorAbstract* const data);
 
  const pinocchio::FrameIndex& get_frame_id() const;
 
  void set_frame_id(const pinocchio::FrameIndex& fid);
 
  const Scalar getSlope() const { return slope; }
  void setSlope(const Scalar s) { slope = s; }
 
 protected:
  using Base::nu_;
  using Base::state_;
  using Base::u_dependent_;
  using Base::unone_;
  using Base::v_dependent_;
 
 private:
  Scalar height;
  Scalar dist;
  Scalar width;
  pinocchio::FrameIndex frame_id;
  Scalar slope;  // multiplication in front of the altitude in the cost
  typename StateMultibody::PinocchioModel
      pin_model_;  
};
 
template <typename _Scalar>
struct ResidualDataFlyAngleTpl : public ResidualDataAbstractTpl<_Scalar> {
  EIGEN_MAKE_ALIGNED_OPERATOR_NEW
 
  typedef _Scalar Scalar;
  typedef MathBaseTpl<Scalar> MathBase;
  typedef ResidualDataAbstractTpl<Scalar> Base;
  typedef DataCollectorAbstractTpl<Scalar> DataCollectorAbstract;
  typedef typename MathBase::Matrix6xs Matrix6xs;
  typedef typename MathBase::Matrix3xs Matrix3xs;
  typedef typename MathBase::Matrix3s Matrix3s;
  typedef typename MathBase::VectorXs VectorXs;
 
  template <template <typename Scalar> class Model>
  ResidualDataFlyAngleTpl(Model<Scalar>* const model,
                          DataCollectorAbstract* const data)
      : Base(model, data),
        d_dq(6, model->get_state()->get_nv()),
        d_dv(6, model->get_state()->get_nv()),
        l_dnu_dq(6, model->get_state()->get_nv()),
        l_dnu_dv(6, model->get_state()->get_nv()),
        o_dv_dq(3, model->get_state()->get_nv()),
        o_dv_dv(3, model->get_state()->get_nv()),
        o_Jw(3, model->get_state()->get_nv()),
        vxJ(3, model->get_state()->get_nv()) {
    // dvcom_dq.setZero();
    //  Check that proper shared data has been passed
    DataCollectorMultibodyTpl<Scalar>* d =
        dynamic_cast<DataCollectorMultibodyTpl<Scalar>*>(shared);
    if (d == NULL) {
      throw_pretty(
          "Invalid argument: the shared data should be derived from "
          "DataCollectorMultibody");
    }
 
    // Avoids data casting at runtime
    pinocchio = d->pinocchio;
    // Clean buffer as pinocchio not necessarily initialize the memory.
    d_dq.fill(0);
    d_dv.fill(0);
    l_dnu_dq.fill(0);
    l_dnu_dv.fill(0);
    o_dv_dq.fill(0);
    o_dv_dv.fill(0);
    o_Jw.fill(0);
    vxJ.fill(0);
    rotation_alpha.fill(0);
    rotation_alpha_dt.fill(0);
  }
 
  pinocchio::DataTpl<Scalar>* pinocchio;  
  Matrix6xs d_dq, d_dv;
  Matrix6xs l_dnu_dq, l_dnu_dv;
  Matrix3xs o_dv_dq, o_dv_dv, o_Jw, vxJ;
 
  Scalar ez;
  Scalar sig;
  Scalar alpha;
  Scalar sig_dt;
  Scalar sig_ddt;
  Scalar alpha_dt;
  Matrix3s rotation_alpha;
  Matrix3s rotation_alpha_dt;
  using Base::r;
  using Base::Ru;
  using Base::Rx;
  using Base::shared;
};
 
}  // namespace sobec
 
/* --- Details -------------------------------------------------------------- */
/* --- Details -------------------------------------------------------------- */
/* --- Details -------------------------------------------------------------- */
 
#include "sobec/crocomplements/residual-fly-angle.hxx"
 
#endif  // SOBEC_RESIDUAL_FLY_ANGLE_HPP_