SO3SkyLight.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 __SO3SKY_LIGHT_H__
#define __SO3SKY_LIGHT_H__
 
#include "SCOLBasic/SO3DataScol.h"
#include "SO3Utils/SO3ColourGradient.h"
 
namespace SO3
{
 
class _SO3_Export SSkyLight : public SData
{
public:
protected:
  SEnvironment* parentEnvironment;
  Ogre::SceneManager* ogreSceneManager;
  Ogre::Light* ogreSkyLight;
  Ogre::SceneNode* ogreSkyLightSceneNode;
  double lastJulDay;
  Ogre::Degree lastLatitude;
  Ogre::Degree lastLongitude;
  Ogre::ColourValue baseColour;
  SColourGradient lightColourGradient;
  bool forceUpdate;
private:
 
public:
  SSkyLight(SEnvironment* parent, const std::string& skyLightName, const Ogre::ColourValue& defaultBaseColour);
 
  virtual ~SSkyLight();
 
  SEnvironment* GetEnvironment();
 
  void Update();
 
  const Ogre::Vector3 GetLightDirection() const;
 
  void SetLightDirection(const Ogre::Vector3& direction);
 
  const Ogre::ColourValue GetLightColour(const float& level=1.0f) const;
 
  void SetLightColour(const Ogre::ColourValue& newColour);
 
  bool GetEnable();
 
  void SetEnable(const bool& enable);
 
  bool GetCastShadowEnable();
 
  void SetCastShadowEnable(const bool& enable);
 
  void UpdateShadowFarDistance(const float& distance);
 
  void UpdateShadowFarClipDistance(const float& distance);
 
  Ogre::Light* GetOgreLight();
protected:
  virtual const Ogre::Vector3 ComputeDirectionImpl(const double& julianDay)=0;
 
  const Ogre::Vector3 MakeDirection (const Ogre::Degree& azimuth, const Ogre::Degree& altitude);
private:
  SSkyLight();
 
  void RefreshLightColourGradient();
};
 
}
 
#endif