forked from blender/blender
140 lines
4.1 KiB
C++
140 lines
4.1 KiB
C++
/*
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* Armature.hpp
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*
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* Created on: Feb 3, 2009
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* Author: benoitbolsee
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*/
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#ifndef ARMATURE_HPP_
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#define ARMATURE_HPP_
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#include "ControlledObject.hpp"
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#include "ConstraintSet.hpp"
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#include "kdl/treejnttojacsolver.hpp"
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#include "kdl/treefksolverpos_recursive.hpp"
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#include <vector>
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namespace iTaSC {
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class Armature: public iTaSC::ControlledObject {
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public:
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Armature();
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virtual ~Armature();
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bool addSegment(const std::string& segment_name, const std::string& hook_name, const Joint& joint, const double& q_rest, const Frame& f_tip=F_identity, const Inertia& M = Inertia::Zero());
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// general purpose constraint on joint
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int addConstraint(const std::string& segment_name, ConstraintCallback _function, void* _param=NULL, bool _freeParam=false, bool _substep=false);
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// specific limit constraint on joint
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int addLimitConstraint(const std::string& segment_name, unsigned int dof, double _min, double _max);
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double getMaxJointChange();
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double getMaxEndEffectorChange();
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bool getSegment(const std::string& segment_name, const unsigned int q_size, const Joint* &p_joint, double &q_rest, double &q, const Frame* &p_tip);
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bool getRelativeFrame(Frame& result, const std::string& segment_name, const std::string& base_name=m_root);
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virtual bool finalize();
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virtual int addEndEffector(const std::string& name);
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virtual const Frame& getPose(const unsigned int end_effector);
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virtual bool updateJoint(const Timestamp& timestamp, JointLockCallback& callback);
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virtual void updateKinematics(const Timestamp& timestamp);
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virtual void pushCache(const Timestamp& timestamp);
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virtual void updateControlOutput(const Timestamp& timestamp);
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virtual bool setControlParameter(unsigned int constraintId, unsigned int valueId, ConstraintAction action, double value, double timestep=0.0);
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virtual void initCache(Cache *_cache);
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virtual bool setJointArray(const KDL::JntArray& joints);
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virtual const KDL::JntArray& getJointArray();
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virtual double getArmLength()
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{
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return m_armlength;
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}
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struct Effector_struct {
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std::string name;
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Frame oldpose;
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Frame pose;
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Effector_struct(const std::string& _name) {name = _name; oldpose = pose = F_identity;}
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};
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typedef std::vector<Effector_struct> EffectorList;
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enum ID {
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ID_JOINT=1,
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ID_JOINT_RX=2,
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ID_JOINT_RY=3,
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ID_JOINT_RZ=4,
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ID_JOINT_TX=2,
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ID_JOINT_TY=3,
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ID_JOINT_TZ=4,
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};
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struct JointConstraint_struct {
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SegmentMap::const_iterator segment;
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ConstraintSingleValue value[3];
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ConstraintValues values[3];
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ConstraintCallback function;
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unsigned int v_nr;
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unsigned int y_nr; // first coordinate of constraint in Y vector
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void* param;
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bool freeParam;
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bool substep;
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JointConstraint_struct(SegmentMap::const_iterator _segment, unsigned int _y_nr, ConstraintCallback _function, void* _param, bool _freeParam, bool _substep);
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~JointConstraint_struct();
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};
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typedef std::vector<JointConstraint_struct*> JointConstraintList;
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struct Joint_struct {
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KDL::Joint::JointType type;
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unsigned short ndof;
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bool useLimit;
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bool locked;
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double rest;
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double min;
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double max;
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Joint_struct(KDL::Joint::JointType _type, unsigned int _ndof, double _rest) :
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type(_type), ndof(_ndof), rest(_rest) { useLimit=locked=false; min=0.0; max=0.0; }
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};
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typedef std::vector<Joint_struct> JointList;
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protected:
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virtual void updateJacobian();
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private:
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static std::string m_root;
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Tree m_tree;
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unsigned int m_njoint;
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unsigned int m_nconstraint;
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unsigned int m_noutput;
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unsigned int m_neffector;
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bool m_finalized;
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Cache* m_cache;
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double *m_buf;
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int m_qCCh;
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CacheTS m_qCTs;
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int m_yCCh;
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#if 0
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CacheTS m_yCTs;
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#endif
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JntArray m_qKdl;
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JntArray m_oldqKdl;
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JntArray m_newqKdl;
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JntArray m_qdotKdl;
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Jacobian* m_jac;
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double m_armlength;
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KDL::TreeJntToJacSolver* m_jacsolver;
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KDL::TreeFkSolverPos_recursive* m_fksolver;
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EffectorList m_effectors;
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JointConstraintList m_constraints;
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JointList m_joints;
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void pushQ(CacheTS timestamp);
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bool popQ(CacheTS timestamp);
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//void pushConstraints(CacheTS timestamp);
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//bool popConstraints(CacheTS timestamp);
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};
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}
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#endif /* ARMATURE_HPP_ */
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