/*
  ZynAddSubFX - a software synthesizer
 
  Alienwah.h - "AlienWah" effect
  Copyright (C) 2002-2005 Nasca Octavian Paul
  Author: Nasca Octavian Paul

  This program is free software; you can redistribute it and/or modify
  it under the terms of version 2 of the GNU General Public License 
  as published by the Free Software Foundation.

  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 (version 2 or later) for more details.

  You should have received a copy of the GNU General Public License (version 2)
  along with this program; if not, write to the Free Software Foundation,
  Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

*/

#ifndef ALIENWAH_H
#define ALIENWAH_H
#include <complex>
#include "../globals.h"
#include "Effect.h"
#include "EffectLFO.h"

using namespace std;

#define MAX_ALIENWAH_DELAY 100

/**"AlienWah" Effect*/
class Alienwah:public Effect {
    public:
        /**
         * Constructor
         * @param insetion_ 1 for insertion Effect, 0 for others
         * @param efxoutl_ Pointer to Alienwah's left channel output buffer
         * @param efxoutr_ Pointer to Alienwah's left channel output buffer
         * @return Initialized Alienwah
         */
        Alienwah(const int &insetion_,REALTYPE *const efxoutl_,REALTYPE *const efxoutr_);
        ~Alienwah();
        void out(REALTYPE *const smpsl,REALTYPE *const smpsr);

        void setpreset(unsigned char npreset);
        void changepar(const int &npar,const unsigned char &value);
        unsigned char getpar(const int &npar)const;
        void cleanup();
        	
    private:
        //Alienwah Parameters
        EffectLFO lfo;//lfo-ul Alienwah
        unsigned char Pvolume;
        unsigned char Ppanning;
        unsigned char Pdepth;//the depth of the Alienwah
        unsigned char Pfb;//feedback
        unsigned char Plrcross;//feedback
        unsigned char Pdelay;
        unsigned char Pphase;

        
        //Control Parameters
        void setvolume(const unsigned char &Pvolume);
        void setpanning(const unsigned char &Ppanning);
        void setdepth(const unsigned char &Pdepth);
        void setfb(const unsigned char &Pfb);
        void setlrcross(const unsigned char &Plrcross);
        void setdelay(const unsigned char &Pdelay);
        void setphase(const unsigned char &Pphase);
        
        //Internal Values
        REALTYPE panning,fb,depth,lrcross,phase;
        complex<REALTYPE> *oldl,*oldr;
        complex<REALTYPE> oldclfol,oldclfor;
        int oldk;
};

#endif

