keyFrames.h

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#ifndef KEY_FILE_INCLUDED
#define KEY_FILE_INCLUDED
 
#include <vector>
#include <string>
#include <Util/geometry.h>
#include <Util/interpolation.h>
 
namespace Ray
{
    template< typename DataType >
    class KeyFrameEvaluator
    {
    public:
        virtual ~KeyFrameEvaluator( void );
 
        virtual DataType evaluate( unsigned int dof , double t , int curveType ) = 0;
    };
 
    template< typename DataType >
    class KeyFrameData
    {
        template< typename _DataType > friend std::ostream &operator << ( std::ostream & , const KeyFrameData<_DataType> & );
        template< typename _DataType > friend std::istream &operator >> ( std::istream & ,       KeyFrameData<_DataType> & );
        template< typename _DataType , typename ParameterType > friend class KeyFrameParameters;
 
        float _duration;
 
        std::vector< std::string > _dofNames;
 
        std::vector< std::vector< DataType > > _data;
 
        std::vector< DataType > _currentValues;
 
        KeyFrameEvaluator< DataType > *_keyFrameEvaluator;
    public:
        KeyFrameData( void );
 
        ~KeyFrameData( void );
 
        float duration( void ) const;
 
        int keyframes( void ) const;
 
        int dofs( void ) const;
 
        const DataType &current( const std::string &dofName ) const;
 
        template< typename ParameterType >
        void setEvaluator( void );
 
        void setCurrentValues( double t , int curveType );
    };
 
    template< typename DataType > std::ostream &operator << ( std::ostream &stream , const KeyFrameData< DataType > &keyFrameData );
 
    template< typename DataType > std::istream &operator >> ( std::istream &stream ,       KeyFrameData< DataType > &keyFrameData );
 
    typedef KeyFrameData< Util::Matrix4D > KeyFrameMatrices;
 
    template< typename DataType , typename ParameterType >
    class KeyFrameParameters : public KeyFrameEvaluator< DataType >
    {
        std::vector< std::vector< ParameterType > > _parameters;
    public:
        KeyFrameParameters( const KeyFrameData< DataType > &data );
 
        // KeyFrameEvaluator methods //
        DataType evaluate( unsigned int dof , double t , int curveType );
    };
}
#include "keyFrames.inl"
#endif // KEY_FILE_INCLUDED