camera_base.h

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/*
 * Copyright (c) 2008, Willow Garage, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Willow Garage, Inc. nor the names of its
 *       contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef OGRE_TOOLS_CAMERA_BASE_H_
#define OGRE_TOOLS_CAMERA_BASE_H_
 
#include <rviz/ogre_helpers/ogre_vector.h>
#include <OgreQuaternion.h>
 
namespace Ogre
{
class Camera;
class SceneNode;
class SceneManager;
} // namespace Ogre
 
namespace rviz
{
class CameraBase
{
public:
  CameraBase(Ogre::SceneManager* scene_manager);
  virtual ~CameraBase();
 
  Ogre::Camera* getOgreCamera()
  {
    return camera_;
  }
 
  void setRelativeNode(Ogre::SceneNode* node);
  virtual void relativeNodeChanged()
  {
  }
 
  virtual void update() = 0;
 
  virtual void setPosition(const Ogre::Vector3& position);
  virtual void setOrientation(const Ogre::Quaternion& orientation);
 
  virtual void yaw(float angle) = 0;
  virtual void pitch(float angle) = 0;
  virtual void roll(float angle) = 0;
 
  virtual void setOrientation(float x, float y, float z, float w) = 0;
  virtual void setPosition(float x, float y, float z) = 0;
 
  virtual void setFrom(CameraBase* camera) = 0;
 
  virtual Ogre::Vector3 getPosition() = 0;
  virtual Ogre::Quaternion getOrientation() = 0;
 
  virtual void lookAt(const Ogre::Vector3& point) = 0;
 
  virtual void move(float x, float y, float z) = 0;
 
  virtual void mouseLeftDown(int /*x*/, int /*y*/)
  {
  }
  virtual void mouseMiddleDown(int /*x*/, int /*y*/)
  {
  }
  virtual void mouseRightDown(int /*x*/, int /*y*/)
  {
  }
  virtual void mouseLeftUp(int /*x*/, int /*y*/)
  {
  }
  virtual void mouseMiddleUp(int /*x*/, int /*y*/)
  {
  }
  virtual void mouseRightUp(int /*x*/, int /*y*/)
  {
  }
 
  virtual void mouseLeftDrag(int diff_x, int diff_y, bool ctrl, bool alt, bool shift) = 0;
  virtual void mouseMiddleDrag(int diff_x, int diff_y, bool ctrl, bool alt, bool shift) = 0;
  virtual void mouseRightDrag(int diff_x, int diff_y, bool ctrl, bool alt, bool shift) = 0;
  virtual void scrollWheel(int diff, bool ctrl, bool alt, bool shift) = 0;
 
  virtual void fromString(const std::string& str) = 0;
  virtual std::string toString() = 0;
 
protected:
  Ogre::Camera* camera_;              
  Ogre::SceneManager* scene_manager_; 
 
  Ogre::SceneNode* relative_node_;
};
 
} // namespace rviz
 
#endif /*OGRE_TOOLS_CAMERA_BASE_H_*/