OMKEntityMaterialAction.h

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#ifndef __ENTITYMATERIALACTION_H__
#define __ENTITYMATERIALACTION_H__

#include "OMKMaterial.h" 
#include "OMKAddOn.h" 
namespace OMK
{
namespace Vis
{

//=========================================================================== 
class OMKADDON_API IMaterialPassAction : public IMaterialAction
{
public:
  IMaterialPassAction() : IMaterialAction() {}
  virtual ~IMaterialPassAction() {}
protected:
  virtual void subEntityAction( SubEntityMaterial* subEntity ) const ;
  virtual void passAction( SubEntityMaterial* subEntity, Ogre::Pass* passDest, Ogre::Pass* passSrc ) const = 0 ;
} ;


//=========================================================================== 
class OMKADDON_API MaterialSetMaterialName : public IMaterialAction
{
public:
  MaterialSetMaterialName( const Ogre::String& materialName ) : IMaterialAction(), _materialName( materialName ) {}
  virtual ~MaterialSetMaterialName() {}
protected:
  Ogre::String _materialName ;
private:
  virtual void subEntityAction( SubEntityMaterial* subEntity ) const ;
} ;

//=========================================================================== 
class OMKADDON_API MaterialSetSceneBlending : public IMaterialPassAction
{
public:
  MaterialSetSceneBlending( Ogre::SceneBlendType blendType ) : IMaterialPassAction(), _blendType( blendType ) {}
  virtual ~MaterialSetSceneBlending() {}
protected:
  Ogre::SceneBlendType _blendType ;
private:
  virtual void passAction( SubEntityMaterial* subEntity, Ogre::Pass* passDest, Ogre::Pass* passSrc ) const ;
} ;

//=========================================================================== 
class OMKADDON_API MaterialSetTransparency : public IMaterialPassAction
{
public:
  MaterialSetTransparency( Ogre::Real transparency ) ;
  virtual ~MaterialSetTransparency() {}
protected:
  Ogre::Real _transparency ;
private:
  virtual bool entityAction( EntityMaterial* entity ) const ;
  virtual void passAction( SubEntityMaterial* subEntity, Ogre::Pass* passDest, Ogre::Pass* passSrc ) const ;
} ;

//=========================================================================== 
class OMKADDON_API MaterialSetAwareness : public IMaterialPassAction
{
public:
  MaterialSetAwareness( const Ogre::Vector4& awarenessColor ) : IMaterialPassAction(), _awarenessColor( awarenessColor ) {}
  virtual ~MaterialSetAwareness() {}
protected:
  Ogre::Vector4 _awarenessColor ;
private:
  virtual void passAction( SubEntityMaterial* subEntity, Ogre::Pass* passDest, Ogre::Pass* passSrc ) const ;
  inline float computeBlend( float currentPrm, float awarenessPrm ) const 
  {
    return ( 1.0f - _awarenessColor.w ) * currentPrm + _awarenessColor.w * awarenessPrm ; 
  }  
  Ogre::ColourValue computeBlend( const Ogre::ColourValue& currentColor ) const ;
} ;

//=========================================================================== 
class OMKADDON_API IsProgrammable : public IMaterialAction
{
public:
  IsProgrammable() : _isProgrammable( false ) {}
  virtual ~IsProgrammable() {}
  operator bool() { return _isProgrammable ; }
private:
  mutable bool _isProgrammable ;
  virtual void subEntityAction( SubEntityMaterial* subEntity ) const ;
} ;

//=========================================================================== 
class OMKADDON_API MaterialSetShader : public IMaterialAction
{
public:
  MaterialSetShader( const std::string & fragment, 
                     const std::string & vertex,
                     Ogre::GpuProgramParameters *fragmentPrm,
                     Ogre::GpuProgramParameters *vertexPrm,
                     bool light,
                     const std::string & texture = "null" ) 
  : _fragment( fragment ),
    _vertex( vertex ),
    _fragmentPrm( fragmentPrm ),
    _vertexPrm( vertexPrm ),
    _light( light ),
    _texture( texture )
  {}
  virtual ~MaterialSetShader() {}
private:

  std::string _fragment ; 
  std::string _vertex ;
  Ogre::GpuProgramParameters *_fragmentPrm ;
  Ogre::GpuProgramParameters *_vertexPrm ;
  bool _light ;
  std::string _texture ; 

  virtual void subEntityAction( SubEntityMaterial* subEntity ) const ;
} ;

//===========================================================================
class OMKADDON_API MaterialAddPickUDO : public IMaterialAction
{
public:
  MaterialAddPickUDO() {}
  virtual ~MaterialAddPickUDO() {}
private:
  virtual bool entityAction( EntityMaterial* entity ) const ;
} ;

//===========================================================================
class OMKADDON_API MaterialRemovePickUDO : public IMaterialAction
{
public:
  MaterialRemovePickUDO() {}
  virtual ~MaterialRemovePickUDO() {}
private:
  virtual bool entityAction( EntityMaterial* entity ) const ;
} ;
//===========================================================================

} // namespace Vis
} // namespace OMK

#endif // __ENTITYMATERIALACTION_H__

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