envelope.h

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//
// 1997/05/30 13:36:14
//

#ifndef ENVELOPE_H
#define ENVELOPE_H

//#include "mytypes.h"
#include "opstruct.h"
#include "epocglue.h"

static const ubyte ENVE_STARTATTACK = 0;
static const ubyte ENVE_STARTRELEASE = 2;

static const ubyte ENVE_ATTACK = 4;
static const ubyte ENVE_DECAY = 6;
static const ubyte ENVE_SUSTAIN = 8;
static const ubyte ENVE_RELEASE = 10;
static const ubyte ENVE_SUSTAINDECAY = 12;
static const ubyte ENVE_MUTE = 14;

static const ubyte ENVE_STARTSHORTATTACK = 16;
static const ubyte ENVE_SHORTATTACK = 16;

static const ubyte ENVE_ALTER = 32;

#if defined(SID_LINENVE)
static const udword attackTabLen = 255;
#endif

#if defined (__SYMBIAN32__)
class Envelope : public CBase
#else
class Envelope
#endif
        {
        friend sidEmu;
        
  public:    // methods
        Envelope();
        virtual ~Envelope();
        //
        void enveEmuInit( udword updateFreq, bool measuredValues );
        void enveEmuResetOperator(struct sidOperator* pVoice);
        const ptr2sidUwordFunc* getEnveModeTable() const;

//  private:   // methods TODO
        inline uword enveEmuStartAttack(struct sidOperator*) const;
        inline uword enveEmuStartDecay(struct sidOperator*) const;
        inline uword enveEmuStartRelease(struct sidOperator*) const;
        inline uword enveEmuAlterAttack(struct sidOperator*) const;
        inline uword enveEmuAlterDecay(struct sidOperator*) const;
        inline uword enveEmuAlterSustain(struct sidOperator*) const;
        inline uword enveEmuAlterSustainDecay(struct sidOperator*) const;
        inline uword enveEmuAlterRelease(struct sidOperator*) const;
        inline uword enveEmuAttack(struct sidOperator*) const;
        inline uword enveEmuDecay(struct sidOperator*) const;
        inline uword enveEmuSustain(struct sidOperator*) const;
        inline uword enveEmuSustainDecay(struct sidOperator*) const;
        inline uword enveEmuRelease(struct sidOperator*) const;
        inline uword enveEmuMute(struct sidOperator*) const;

        inline uword enveEmuStartShortAttack(struct sidOperator*) const;
        inline uword enveEmuAlterShortAttack(struct sidOperator*) const;
        inline uword enveEmuShortAttack(struct sidOperator*) const;

  public:    // members
        ubyte masterVolume;
        uword masterVolumeAmplIndex;
  private:   // members
        uword masterAmplModTable[16*256];

#ifdef SID_FPUENVE
        float attackRates[16];
        float decayReleaseRates[16];  
#elif defined(DIRECT_FIXPOINT)
        udword attackRates[16];
        udword decayReleaseRates[16];
#else
        udword attackRates[16];
        udword attackRatesP[16];
        udword decayReleaseRates[16];  
        udword decayReleaseRatesP[16];  
#endif


#if !defined(SID_LINENVE)
        udword attackTabLen;
        udword attackPos[256];
#endif

        udword releaseTabLen;
        udword releasePos[256];
 
        static const ptr2sidUwordFunc enveModeTable[32];
        
        }; // end, class

#endif

---