EditorMaterialSwitcher.hh

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/*
 * Copyright (C) 2015 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_GUI_MODEL_EDITORMATERIALSWITCHER_HH_
#define GAZEBO_GUI_MODEL_EDITORMATERIALSWITCHER_HH_

#include <string>

#include "gazebo/rendering/ogre_gazebo.h"
#include "gazebo/util/system.hh"

namespace gazebo
{
  namespace gui
  {
    // forward declarations
    class EditorMaterialListener;
    class EditorRenderTargetListener;

    // typedefs that are used only in this class
    using EditorRenderTargetListenerPtr =
        std::shared_ptr<EditorRenderTargetListener>;
    using EditorMaterialListenerPtr =
        std::shared_ptr<EditorMaterialListener>;

    class GZ_GUI_VISIBLE EditorMaterialSwitcher
    {
      public: explicit EditorMaterialSwitcher(
                  const rendering::CameraPtr &_camera);

      public: ~EditorMaterialSwitcher() = default;

      public: void SetMaterialScheme(const std::string &_scheme);

      public: std::string MaterialScheme() const;

      private: EditorRenderTargetListenerPtr renderTargetListener;

      private: EditorMaterialListenerPtr materialListener;

      private: rendering::CameraPtr camera;

      private: std::string originalMaterialScheme;

      private: std::string materialScheme;
    };

    class EditorRenderTargetListener : public Ogre::RenderTargetListener
    {
      public: explicit EditorRenderTargetListener(
                  const EditorMaterialListenerPtr &_switcher);

      public: ~EditorRenderTargetListener() = default;

      public: virtual void preRenderTargetUpdate(
                  const Ogre::RenderTargetEvent &_evt);

      public: virtual void postRenderTargetUpdate(
                  const Ogre::RenderTargetEvent &_evt);

      private: EditorMaterialListenerPtr materialListener;
    };

    class EditorMaterialListener : public Ogre::MaterialManager::Listener
    {
      public: explicit EditorMaterialListener(
                  const rendering::CameraPtr &_camera);

      public: ~EditorMaterialListener() = default;

      public: virtual Ogre::Technique *handleSchemeNotFound(
                  uint16_t _schemeIndex, const Ogre::String &_schemeName,
                  Ogre::Material *_originalMaterial, uint16_t _lodIndex,
                  const Ogre::Renderable *_rend);

      private: rendering::CameraPtr camera;
    };
  }
}
#endif