SO3Engine/SO3Material/SO3DynamicCubeMap.h

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/*
-----------------------------------------------------------------------------
This source file is part of OpenSpace3D
For the latest info, see http://www.openspace3d.com

Copyright (c) 2010 I-maginer

This program is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.

This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/copyleft/lesser.txt

You may alternatively use this source under the terms of a specific version of
the OpenSpace3D Unrestricted License provided you have obtained such a license from
I-maginer.
-----------------------------------------------------------------------------
*/

#ifndef __SO3DYNAMIC_CUBE_MAP_H__
#define __SO3DYNAMIC_CUBE_MAP_H__

#include "../SCOLBasic/SO3Std.h"
#include "../SO3SceneGraph/SO3NodeScol.h"

namespace SO3
{

class SDynamicCubeMap : public SNode,
                        public Ogre::RenderTargetListener,
                        public Ogre::MaterialManager::Listener,
                        public Ogre::FrameListener,
                        public Ogre::ManualResourceLoader,
                        public Ogre::WindowEventListener
{
public:
protected:
private:
  Ogre::Camera* cubeMapCamera;
  Ogre::TexturePtr cubeMapTexture;
        Ogre::RenderTarget* cubeMapTargets[6];
  Ogre::MaterialPtr material;
  Ogre::MaterialPtr materialTransparent;
  Ogre::TextureUnitState* textureUnitState;
  Ogre::String cubeMapScheme;

  std::string oldTextureName;
  std::string previousScheme;
  unsigned int size;
  bool state;
  bool autoUpdate;
  bool needUpdate;
  bool renderingEnable;

public:
  SDynamicCubeMap(SScene* parent, std::string dynamicCubeMapName);

  ~SDynamicCubeMap();

  void SetMaterial(SMaterial* targetMaterial, int targetTechnique, int targetPass, int targetTextureUnit);

  void SetSize(unsigned int newSize);

  unsigned int GetSize();

  void SetEnable(bool newState);

  bool GetEnable();

  void SetAutoUpdate(bool newAutoUpdateValue);

  bool GetAutoUpdate();

  void Update();

  virtual void preRenderTargetUpdate(const Ogre::RenderTargetEvent& evt);

  virtual void postRenderTargetUpdate(const Ogre::RenderTargetEvent& evt);

  virtual Ogre::Technique* handleSchemeNotFound(unsigned short schemeIndex, const Ogre::String& schemeName, Ogre::Material* originalMaterial, unsigned short lodIndex, const Ogre::Renderable* rend);

  virtual bool frameStarted(const Ogre::FrameEvent& evt);

  virtual bool frameEnded(const Ogre::FrameEvent& evt);

  virtual void loadResource(Ogre::Resource* resource);

        virtual void windowResized(Ogre::RenderWindow* rw);
protected:
private:
  SDynamicCubeMap();

  void SetTextureUnit();

  void ResetTextureUnit();

  void _CreateCubeMapTexture(unsigned int newSize);

  void _DeleteCubeMapTexture();

  void EnableRendering();

  void DisableRendering();
};

}

#endif

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