SO3ShadowPSSM.h

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/*
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This source file is part of OpenSpace3D
For the latest info, see http://www.openspace3d.com
 
Copyright (c) 2012 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
 
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*/
 
#ifndef __SO3SHADOW_PSSM_H__
#define __SO3SHADOW_PSSM_H__
 
#include "SO3Renderer/SO3Shadow.h"
 
namespace SO3
{
 
  class StablePSSMShadowCameraSetup : public Ogre::PSSMShadowCameraSetup
  {
  public:
 
    static Ogre::ShadowCameraSetupPtr create()
    {
      return std::make_shared<StablePSSMShadowCameraSetup>();
    }
 
  protected:
 
  public:
    StablePSSMShadowCameraSetup();
    ~StablePSSMShadowCameraSetup();
    void getShadowCamera(const Ogre::SceneManager *sm, const Ogre::Camera *cam, const Ogre::Viewport *vp, const Ogre::Light *light, Ogre::Camera *texCam, size_t iteration) const override;
  };
 
  class SShadowPSSM : public SShadow
  {
  public:
  protected:
  private:
 
  public:
    static bool CheckSystemCompatibility();
 
    SShadowPSSM(SShadowManager* sManager);
 
    ~SShadowPSSM();
  protected:
    virtual void UpdateShadowTechnique();
 
    virtual void UpdateShadowMaterial(Ogre::Technique* tech);
 
    virtual void RemoveMaterialPass(Ogre::Technique* tech);
 
    virtual bool IsShadowMaterialPass(Ogre::Pass* pass);
  private:
    SShadowPSSM();
 
    void CreateMaterialsPass();
    void CleanMaterials();
  };
 
}
 
#endif