gz/rendering/ogre2/Ogre2MaterialSwitcher.hh

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/*
 * Copyright (C) 2018 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 GZ_RENDERING_OGRE2_OGRE2MATERIALSWITCHER_HH_
#define GZ_RENDERING_OGRE2_OGRE2MATERIALSWITCHER_HH_
 
#include <map>
#include <string>
 
#include <gz/math/Color.hh>
#include "gz/rendering/config.hh"
#include "gz/rendering/ogre2/Export.hh"
#include "gz/rendering/ogre2/Ogre2RenderTypes.hh"
 
#ifdef _MSC_VER
  #pragma warning(push, 0)
#endif
#include <OgreCamera.h>
#include <OgreMaterial.h>
#ifdef _MSC_VER
  #pragma warning(pop)
#endif
 
namespace ignition
{
  namespace rendering
  {
    inline namespace IGNITION_RENDERING_VERSION_NAMESPACE {
    //
    // forward declarations
    class Ogre2SelectionBuffer;
 
    class IGNITION_RENDERING_OGRE2_VISIBLE Ogre2MaterialSwitcher :
      public Ogre::Camera::Listener
    {
      public: explicit Ogre2MaterialSwitcher(Ogre2ScenePtr _scene);
 
      public: ~Ogre2MaterialSwitcher();
 
      public: std::string EntityName(
              const ignition::math::Color &_color) const;
 
      public: void Reset();
 
      public: virtual void cameraPreRenderScene(
                  Ogre::Camera *_cam) override;
 
      public: virtual void cameraPostRenderScene(Ogre::Camera *_cam) override;
 
      private: gz::math::Color currentColor;
 
      private: std::map<unsigned int, std::string> colorDict;
 
      private: std::map<Ogre::SubItem *, Ogre::HlmsDatablock *> datablockMap;
 
      private: Ogre::MaterialPtr plainMaterial;
 
      private: Ogre::MaterialPtr plainOverlayMaterial;
 
      private: void NextColor();
 
      public: friend class Ogre2SelectionBuffer;
 
      private: Ogre2ScenePtr scene;
    };
    }
  }
}
#endif