mesh_shape.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:
 *
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 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
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 *       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"
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#ifndef OGRE_TOOLS_MESH_SHAPE_H
#define OGRE_TOOLS_MESH_SHAPE_H

#include "shape.h"

namespace Ogre
{
class ManualObject;
}

namespace rviz
{
class MeshShape : public Shape
{
public:
  MeshShape(Ogre::SceneManager* scene_manager, Ogre::SceneNode* parent_node = nullptr);
  ~MeshShape() override;

  /* \brief Estimate the number of vertices ahead of time. */
  void estimateVertexCount(size_t vcount);

  void beginTriangles();

  void addVertex(const Ogre::Vector3& position);

  void addVertex(const Ogre::Vector3& position, const Ogre::Vector3& normal);

  void
  addVertex(const Ogre::Vector3& position, const Ogre::Vector3& normal, const Ogre::ColourValue& color);

  void addNormal(const Ogre::Vector3& normal);

  void addColor(const Ogre::ColourValue& color);

  void addTriangle(unsigned int p1, unsigned int p2, unsigned int p3);

  void endTriangles();

  void clear();

  Ogre::ManualObject* getManualObject()
  {
    return manual_object_;
  }

private:
  // true in between calls to beginTriangles() and endTriangles()
  bool started_;
  Ogre::ManualObject* manual_object_;
};

} // namespace rviz

#endif