Program Listing for File grid.hpp

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// Copyright (c) 2008, Willow Garage, Inc.
// Copyright (c) 2017, Bosch Software Innovations GmbH.
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#ifndef RVIZ_RENDERING__OBJECTS__GRID_HPP_
#define RVIZ_RENDERING__OBJECTS__GRID_HPP_

#include <cstdint>
#include <memory>
#include <vector>

#include <OgreColourValue.h>
#include <OgreMaterial.h>
#include <OgreSharedPtr.h>

#include "rviz_rendering/visibility_control.hpp"

namespace Ogre
{
class SceneManager;

class ManualObject;
class SceneNode;

class Any;
}

namespace rviz_rendering
{

class BillboardLine;

class Grid
{
public:
  enum Style
  {
    Lines,
    Billboards,
  };

  RVIZ_RENDERING_PUBLIC
  Grid(
    Ogre::SceneManager * manager, Ogre::SceneNode * parent_node, Style style,
    uint32_t cell_count, float cell_length, float line_width, const Ogre::ColourValue & color);
  RVIZ_RENDERING_PUBLIC
  ~Grid();

  RVIZ_RENDERING_PUBLIC
  void create();

  Ogre::SceneNode * getSceneNode() {return scene_node_;}

  RVIZ_RENDERING_PUBLIC
  void setUserData(const Ogre::Any & data);

  RVIZ_RENDERING_PUBLIC
  void setStyle(Style style);
  Style getStyle() {return style_;}

  RVIZ_RENDERING_PUBLIC
  void setColor(const Ogre::ColourValue & color);
  Ogre::ColourValue getColor() {return color_;}

  RVIZ_RENDERING_PUBLIC
  void setCellCount(uint32_t count);
  uint32_t getCellCount() {return cell_count_;}

  RVIZ_RENDERING_PUBLIC
  void setCellLength(float len);
  float getCellLength() {return cell_length_;}

  RVIZ_RENDERING_PUBLIC
  void setLineWidth(float width);
  float getLineWidth() {return line_width_;}

  RVIZ_RENDERING_PUBLIC
  void setHeight(uint32_t count);
  uint32_t getHeight() {return height_count_;}

  Ogre::ManualObject * getManualObject() {return manual_object_;}
  std::shared_ptr<BillboardLine> getBillboardLine() {return billboard_line_;}

private:
  typedef std::function<void (const Ogre::Vector3 & p3, const Ogre::Vector3 & p4)> AddLineFunction;
  void createBillboardGrid() const;
  void createManualGrid() const;
  void createLines(AddLineFunction addLine) const;
  void createGridPlane(float extent, uint32_t height, AddLineFunction addLine) const;
  void createVerticalLinesBetweenPlanes(float extent, AddLineFunction addLine) const;
  void addBillboardLine(const Ogre::Vector3 & p3, const Ogre::Vector3 & p4) const;
  void addManualLine(const Ogre::Vector3 & p1, const Ogre::Vector3 & p2) const;
  uint32_t numberOfVerticalLines() const;

  Ogre::SceneManager * scene_manager_;
  Ogre::SceneNode * scene_node_;
  Ogre::ManualObject * manual_object_;

  std::shared_ptr<BillboardLine> billboard_line_;

  Ogre::MaterialPtr material_;

  Style style_;
  uint32_t cell_count_;
  float cell_length_;
  float line_width_;
  uint32_t height_count_;
  Ogre::ColourValue color_;
};

}  // namespace rviz_rendering

#endif  // RVIZ_RENDERING__OBJECTS__GRID_HPP_