SO3Engine/SO3Material/SO3DynamicReflectionMap.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_REFLECTION_MAP_H__
#define __SO3DYNAMIC_REFLECTION_MAP_H__

#include "../SCOLBasic/SO3Std.h"
#include "../SO3SceneGraph/SO3NodeScol.h"
#include "../SO3Renderer/SO3Viewport.h"

namespace SO3
{

class SDynamicReflectionMap : public SNode,
                        public Ogre::RenderTargetListener,
                        public Ogre::MaterialManager::Listener,
                        public Ogre::ManualResourceLoader
{
public:
protected:
private:
  SViewPort* reflectionMapViewport;
  Ogre::Camera* reflectionMapCamera;
  Ogre::MovablePlane* reflectionMapPlane;
  Ogre::MovablePlane* cameraClipPlane;
  Ogre::TexturePtr reflectionMapTexture;
        Ogre::RenderTarget* reflectionMapTargets;
  Ogre::MaterialPtr material;
  Ogre::MaterialPtr materialTransparent;
  Ogre::TextureUnitState* textureUnitState;
  Ogre::String reflectionMapScheme;

  Ogre::TextureUnitState::UVWAddressingMode oldAdressingMode;
  Ogre::TextureType oldTextureType;
  std::string oldTextureName;
  std::string previousScheme;
  unsigned int size;
  bool state;
  bool revertClipPlane;
  bool flipClipPlane;
  bool renderingEnable;
  
public:
  SDynamicReflectionMap(SScene* parent, SViewPort* viewport, std::string dynamicReflectionMapName);

  ~SDynamicReflectionMap();

  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 SetRevertClipPlane(bool newRevertClipPlaneValue);

  bool GetRevertClipPlane();

  void FlipPlane(bool newFlip);

  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 void loadResource(Ogre::Resource* resource);

protected:
private:
  SDynamicReflectionMap();

  void SetTextureUnit();

  void ResetTextureUnit();

  void _CreateReflectionMapTexture(unsigned int newSize);

  void _DeleteReflectionMapTexture();

  void EnableRendering();

  void DisableRendering();
};

}

#endif

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