Dispatcher.hxx

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/*
 * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
 *                         UNIVERSITAT POMPEU FABRA
 *
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU 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
 *
 */

#ifndef __DISPATCHER__
#define __DISPATCHER__

#include "Array.hxx"
#include "Instrument.hxx"

#include <algorithm>

namespace CLAM
{

        class DispatcherConfig: public ProcessingConfig
        {
        public:
                DYNAMIC_TYPE_USING_INTERFACE (DispatcherConfig, 2, ProcessingConfig);
                DYN_ATTRIBUTE (0, public, Array< Instrument* >, Instruments);
                DYN_ATTRIBUTE (1, public, int, NInValues);

        protected:
                void DefaultInit(void)
                {
                        AddInstruments();
                        AddNInValues();
                        UpdateData();
                }
        };

        class Dispatcher:public Processing
        {
        private:
                struct InstrStatus
                {
                public:
                                int  mNote;
                                int      mVelocity;
                                int  mId;
                };

                DispatcherConfig                      mConfig;
                Array< Instrument* >                  mInstruments;
                Array< OutControl* >                  mValuesOut;
                InControlTmpl< Dispatcher >           mStateIn;
                InControlTmpl< Dispatcher >           mNoteIn;
                InControlTmpl< Dispatcher >           mVelocityIn;
                int                                   mNInValues;
                int                                   mMInstruments;
                TControlData                          mVelocity;
                TControlData                          mNote;
                std::list< InstrStatus >                          mInstrStatusList;
        
        protected:

                int UpdateState( TControlData availableInstr );

                int UpdateVel( TControlData value )
                {
//                      printf("UpdateVel = %f\n",value);
                        mVelocity = value;

                        return 0;
                }

                int UpdateNote( TControlData value )
                {
//                      printf("UpdateNote = %f\n",value);
                        mNote = value;
                        Dispatch();

                        return 0;
                }

                void Dispatch(void);

        public:

                Dispatcher():
                  mStateIn("",this,&Dispatcher::UpdateState),
                  mNoteIn( "Note", this, &Dispatcher::UpdateNote ),
                  mVelocityIn( "Velocity", this, &Dispatcher::UpdateVel ),
                  mVelocity( 0 ),
                  mNote( 0 )
                {
                        DispatcherConfig cfg;

                        Configure( cfg );
                }

                Dispatcher( const DispatcherConfig& c):
                  mStateIn("",this,&Dispatcher::UpdateState),
                  mNoteIn( "Note", this, &Dispatcher::UpdateNote ),
                  mVelocityIn( "Velocity", this, &Dispatcher::UpdateVel ),
                  mVelocity( 0 ),
                  mNote( 0 )
                {
                          Configure( c );
                }

                ~Dispatcher(){}

                const char * GetClassName() const {return "Dispatcher";}

                const ProcessingConfig &GetConfig() const { return mConfig; }

                bool ConcreteConfigure( const ProcessingConfig& c );

                bool Do(void) { return true; }

        };
}

#endif

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