pxmlw6n2f/Gazebo_Distributed_TCP/gazebo/common/SkeletonAnimation.hh

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/*
* Copyright (C) 2012 Open Source Robotics Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef _GAZEBO_SKELETONANIMATION_HH_
#define _GAZEBO_SKELETONANIMATION_HH_
#include <map>
#include <utility>
#include <string>
#include <ignition/math/Matrix4.hh>
#include <ignition/math/Pose3.hh>
#include "gazebo/math/Matrix4.hh"
#include "gazebo/math/Pose.hh"
#include "gazebo/util/system.hh"
#include "gazebo/common/CommonTypes.hh"
namespace gazebo
{
namespace common
{
/// \addtogroup gazebo_common Common Animation
/// \{
/// \class NodeAnimation SkeletonAnimation.hh common/common.hh
/// \brief Node animation
class GZ_COMMON_VISIBLE NodeAnimation
{
/// \brief constructor
/// \param[in] _name the name of the node
public: NodeAnimation(const std::string &_name);
/// \brief Destructor. It empties the key frames list
public: ~NodeAnimation();
/// \brief Changes the name of the animation
/// \param[in] the new name
public: void SetName(const std::string &_name);
/// \brief Returns the name
/// \return the name
public: std::string GetName() const;
/// \brief Adds a key frame at a specific time
/// \param[in] _time the time of the key frame
/// \param[in] _trans the transformation
public: void AddKeyFrame(const double _time,
const ignition::math::Matrix4d &_trans);
/// \brief Adds a key frame at a specific time
/// \param[in] _time the time of the key frame
/// \param[in] _pose the pose
public: void AddKeyFrame(const double _time,
const ignition::math::Pose3d &_pose);
/// \brief Returns the number of key frames.
/// \return the count
public: unsigned int GetFrameCount() const;
/// \brief Finds a key frame using the index. Note the index of a key
/// frame can change as frames are added.
/// \param[in] _i the index
/// \param[out] _time the time of the frame, or -1 if the index id is out
/// of bounds
/// \param[out] _trans the transformation for this key frame
public: void GetKeyFrame(const unsigned int _i, double &_time,
ignition::math::Matrix4d &_trans) const;
/// \brief Returns a key frame using the index. Note the index of a key
/// frame can change as frames are added.
/// \param[in] _i the index
/// \return a pair that contains the time and transformation. Time is -1
/// if the index is out of bounds
public: std::pair<double, ignition::math::Matrix4d> KeyFrame(
const unsigned int _i) const;
/// \brief Returns the duration of the animations
/// \return the time of the last animation
public: double GetLength() const;
/// \brief Returns a frame transformation at a specific time
/// if a node does not exist at that time (with tolerance of 1e-6 sec),
/// the transformation is interpolated.
/// \param[in] _time the time
/// \param[in] _loop when true, the time is divided by the duration
/// (see GetLength)
public: ignition::math::Matrix4d FrameAt(
double _time, bool _loop = true) const;
/// \brief Scales each transformation in the key frames. This only affects
/// the translational values.
/// \param[in] _scale the scaling factor
public: void Scale(const double _scale);
/// \brief Returns the time where a transformation's translational value
/// along the X axis is equal to _x.
/// When no transformation is found (within a tolerance of 1e-6), the time
/// is interpolated.
/// \param[in] _x the value along x. You must ensure that _x is within a
/// valid range.
public: double GetTimeAtX(const double _x) const;
/// \brief the name of the animation
protected: std::string name;
/// \brief the dictionary of key frames, indexed by time
protected: std::map<double, ignition::math::Matrix4d> keyFrames;
/// \brief the duration of the animations (time of last key frame)
protected: double length;
};
/// \brief Skeleton animation
class GZ_COMMON_VISIBLE SkeletonAnimation
{
/// \brief The Constructor
/// \param[in] _name the name of the animation
public: SkeletonAnimation(const std::string &_name);
/// \brief The destructor. Clears the list without destroying
/// the animations
public: ~SkeletonAnimation();
/// \brief Changes the name
/// \param[in] _name the new name
public: void SetName(const std::string &_name);
/// \brief Returns the name
/// \return the name
public: std::string GetName() const;
/// \brief Returns the number of animation nodes
/// \return the count
public: unsigned int GetNodeCount() const;
/// \brief Looks for a node with a specific name in the animations
/// \param[in] _node the name of the node
/// \return true if the node exits
public: bool HasNode(const std::string &_node) const;
/// \brief Adds or replaces a named key frame at a specific time
/// \param[in] _node the name of the new or existing node
/// \param[in] _time the time
/// \param[in] _mat the key frame transformation
public: void AddKeyFrame(const std::string &_node, const double _time,
const ignition::math::Matrix4d &_mat);
/// \brief Adds or replaces a named key frame at a specific time
/// \param[in] _node the name of the new or existing node
/// \param[in] _time the time
/// \param[in] _pose the key frame transformation as a
/// ignition::math::Pose3d
public: void AddKeyFrame(const std::string &_node, const double _time,
const ignition::math::Pose3d &_pose);
/// \brief Returns the key frame transformation for a named animation at
/// a specific time
/// if a node does not exist at that time (with tolerance of 1e-6 sec),
/// the transformation is interpolated.
/// \param[in] _node the name of the animation node
/// \param[in] _time the time
/// \param[in] _loop when true, the time is divided by the duration
/// (see GetLength)
/// \return the transformation
public: ignition::math::Matrix4d NodePoseAt(const std::string &_node,
const double _time, const bool _loop = true);
/// \brief Returns a dictionary of transformations indexed by name at
/// a specific time
/// if a node does not exist at that specific time
/// (with tolerance of 1e-6 sec), the transformation is interpolated.
/// \param[in] _time the time
/// \param[in] _loop when true, the time is divided by the duration
/// (see GetLength)
/// \return the transformation for every node
public: std::map<std::string, ignition::math::Matrix4d> PoseAt(
const double _time, const bool _loop = true) const;
/// \brief Returns a dictionary of transformations indexed by name where
/// a named node transformation's translational value along the X axis is
/// equal to _x.
/// \param[in] _x the value along x. You must ensure that _x is within a
/// valid range.
/// \param[in] _node the name of the animation node
/// \param[in] _loop when true, the time is divided by the duration
/// (see GetLength)
public: std::map<std::string, ignition::math::Matrix4d> PoseAtX(
const double _x, const std::string &_node,
const bool _loop = true) const;
/// \brief Scales every animation in the animations list
/// \param[in] _scale the scaling factor
public: void Scale(const double _scale);
/// \brief Returns the duration of the animations
/// \return the duration in seconds
public: double GetLength() const;
/// \brief the node name
protected: std::string name;
/// \brief the duration of the longest animation
protected: double length;
/// \brief a dictionary of node animations
protected: std::map<std::string, NodeAnimation*> animations;
};
/// \}
}
}
#endif