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ControllerC.h

//-------------------------------------------------------------------------
//
// File:        ControllerC.h
// Desc:        Parameter value controller class.
// Author:      memon <memon@inside.org>
//
//-------------------------------------------------------------------------
//  Copyright (c) 2000-2002 Moppi Productions. All Rights Reserved.
//  This file is part of Moppi Demopaja SDK. For conditions of 
//  distribution and use, see the accompanying license.txt file.
//  http://moppi.inside.org/demopaja/
//-------------------------------------------------------------------------

#ifndef __DEMOPAJA_CONTROLLERC_H__
#define __DEMOPAJA_CONTROLLERC_H__


#include "PajaTypes.h"
#include "DataBlockI.h"
#include "EditableI.h"
#include "UndoC.h"
#include "KeyC.h"
#include "ColorC.h"
#include "Vector2C.h"
#include "Vector3C.h"
#include "FileIO.h"


namespace Composition {

    enum ControllerOrtE {
        CONT_ORT_NONE = 0,
        CONT_ORT_CONSTANT,  
        CONT_ORT_REPEAT,    
        CONT_ORT_LOOP,      
    };

    enum ControllerTypeE {
        CONT_TYPE_NONE = 0,
        CONT_TYPE_INT,      
        CONT_TYPE_FLOAT,    
        CONT_TYPE_VECTOR2,  
        CONT_TYPE_VECTOR3,  
        CONT_TYPE_COLOR,    
        CONT_TYPE_FILE,     
    };



    class ControllerC : public Edit::EditableI
    {
    public:

        static ControllerC*         create_new( ControllerTypeE eType );


        virtual Edit::DataBlockI*   create();
        virtual Edit::DataBlockI*   create( Edit::EditableI* pOriginal );
        virtual void                copy( Edit::EditableI* pEditable );
        virtual void                restore( Edit::EditableI* pEditable );


        virtual PajaTypes::int32    get_key_count();

        virtual KeyC*               get_key( PajaTypes::int32 i32Index );

        virtual void                del_key( PajaTypes::int32 i32Index );

        virtual KeyC*               get_key_at_time( PajaTypes::int32 i32Time );

        virtual KeyC*               add_key_at_time( PajaTypes::int32 i32Time );

        virtual void                set_start_ort( PajaTypes::uint32 ui32Ort );

        virtual void                set_end_ort( PajaTypes::uint32 ui32Ort );

        virtual PajaTypes::uint32   get_start_ort();

        virtual PajaTypes::uint32   get_end_ort();


        virtual void                sort_keys();


        virtual void                prepare();


        virtual void                get_value( PajaTypes::float32* pValues, PajaTypes::int32 i32Time );

        virtual void                get_value( PajaTypes::int32& i32Val, PajaTypes::int32 i32Time );
        virtual void                get_value( PajaTypes::float32& f32Val, PajaTypes::int32 i32Time );
        virtual void                get_value( PajaTypes::Vector2C& rVal, PajaTypes::int32 i32Time );
        virtual void                get_value( PajaTypes::Vector3C& rVal, PajaTypes::int32 i32Time );
        virtual void                get_value( PajaTypes::ColorC& rVal, PajaTypes::int32 i32Time );


        virtual void                get_value( Import::FileHandleC*& pHandle, PajaTypes::int32& i32FileTime, PajaTypes::int32 i32Time );

        virtual PajaTypes::int32    get_min_time();

        virtual PajaTypes::int32    get_max_time();

        virtual PajaTypes::uint32   get_type();


        virtual void                set_type( PajaTypes::uint32 ui32Type );


        virtual PajaTypes::uint32   get_num_channels();

        // Serialize editable to a Demopaja output stream.
        virtual PajaTypes::uint32   save( FileIO::SaveC* pSave );
        // Serialize editable from a Demopaja input stream.
        virtual PajaTypes::uint32   load( FileIO::LoadC* pLoad );

    protected:
        ControllerC( ControllerTypeE eType );
        ControllerC( Edit::EditableI* pOriginal );
        ~ControllerC();

    private:

        // Tool methods used internally by the controller class. Standard stuff.
        void                        compute_hermite_basis( PajaTypes::float32 f32U, PajaTypes::float32* pV );
        PajaTypes::float32          ease( PajaTypes::float32 f32U, PajaTypes::float32 f32A, PajaTypes::float32 f32B );
        void                        comp_first_deriv( PajaTypes::uint32 ui32CurIndex, PajaTypes::uint32 ui32NextIndex );
        void                        comp_last_deriv( PajaTypes::uint32 ui32CurIndex, PajaTypes::uint32 ui32NextIndex );
        void                        comp_2key_deriv( PajaTypes::uint32 ui32CurIndex, PajaTypes::uint32 ui32NextIndex );
        void                        comp_middle_deriv( PajaTypes::uint32 ui32PrevIndex, PajaTypes::uint32 ui32Index, PajaTypes::uint32 ui32NextIndex );
        void                        copy_value( PajaTypes::float32* pOut, PajaTypes::float32* pIn, PajaTypes::uint32 ui32NumCh );

        // Member variables
        std::vector<KeyC*>          m_rKeys;
        PajaTypes::uint32           m_ui32StartOrt;
        PajaTypes::uint32           m_ui32EndOrt;
        PajaTypes::uint32           m_ui32NumChannels;
        PajaTypes::uint32           m_ui32Type;
    };

}; // namespace

#endif  // __DEMOPAJA_CONTROLLERC_H__

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