BaseRenderEngine.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 IGNITION_RENDERING_BASE_BASERENDERENGINE_HH_
#define IGNITION_RENDERING_BASE_BASERENDERENGINE_HH_

#include <string>
#include <vector>
#include "ignition/rendering/RenderEngine.hh"
#include "ignition/rendering/Storage.hh"

namespace ignition
{
  namespace rendering
  {
    class IGNITION_RENDERING_VISIBLE BaseRenderEngine :
      public virtual RenderEngine
    {
      protected: BaseRenderEngine();

      public: virtual ~BaseRenderEngine();

      public: virtual bool Load();

      public: virtual bool Init();

      public: virtual bool Fini();

      public: virtual bool IsLoaded() const;

      public: virtual bool IsInitialized() const;

      public: virtual bool IsEnabled() const;

      public: virtual unsigned int SceneCount() const;

      public: virtual bool HasScene(ConstScenePtr _scene) const;

      public: virtual bool HasSceneId(unsigned int _id) const;

      public: virtual bool HasSceneName(const std::string &_name) const;

      public: virtual ScenePtr SceneById(unsigned int _id) const;

      public: virtual ScenePtr SceneByName(const std::string &_name) const;

      public: virtual ScenePtr SceneByIndex(unsigned int _index) const;

      public: virtual void DestroyScene(ScenePtr _scene);

      public: virtual void DestroySceneById(unsigned int _id);

      public: virtual void DestroySceneByName(const std::string &_name);

      public: virtual void DestroySceneByIndex(unsigned int _index);

      public: virtual void DestroyScenes();

      public: virtual ScenePtr CreateScene(const std::string &_name);

      public: virtual ScenePtr CreateScene(unsigned int _id,
                  const std::string &_name);

      public: virtual void Destroy();

      public: virtual void AddResourcePath(const std::string &_path);

      protected: virtual void PrepareScene(ScenePtr _scene);

      protected: virtual unsigned int NextSceneId();

      protected: virtual bool LoadImpl() = 0;

      protected: virtual bool InitImpl() = 0;

      protected: virtual ScenePtr CreateSceneImpl(unsigned int _id,
                  const std::string &_name) = 0;

      protected: virtual SceneStorePtr Scenes() const = 0;

      protected: bool loaded;

      protected: bool initialized;

      protected: unsigned int nextSceneId;

      protected: std::vector<std::string> resourcePaths;
    };
  }
}
#endif