Files
stk/Wurley.cpp
Gary Scavone ea749b71d2 Version 2.01
2013-09-29 22:39:45 +02:00

54 lines
1.9 KiB
C++

/******************************************/
/* Wurlitzer Electric Piano Subclass */
/* of Algorithm 5 (TX81Z) Subclass of */
/* 4 Operator FM Synth */
/* by Perry R. Cook, 1995-96 */
/******************************************/
#include "Wurley.h"
Wurley :: Wurley() : FM4Alg5()
{
this->loadWaves("rawwaves/sinewave.raw",
"rawwaves/sinewave.raw",
"rawwaves/sinewave.raw",
"rawwaves/fwavblnk.raw");
this->setRatio(0,(MY_FLOAT) 1.0);
this->setRatio(1,(MY_FLOAT) 4.0);
this->setRatio(2,(MY_FLOAT) -510.0);
this->setRatio(3,(MY_FLOAT) -510.0);
gains[0] = __FM4Op_gains[99];
gains[1] = __FM4Op_gains[82];
gains[2] = __FM4Op_gains[92];
gains[3] = __FM4Op_gains[68]; /* Originally 78, but sounded stinky */
twozero->setGain((MY_FLOAT) 2.0);
adsr[0]->setAllTimes((MY_FLOAT) 0.001,(MY_FLOAT) 1.50,(MY_FLOAT) 0.0,(MY_FLOAT) 0.04);
adsr[1]->setAllTimes((MY_FLOAT) 0.001,(MY_FLOAT) 1.50,(MY_FLOAT) 0.0,(MY_FLOAT) 0.04);
adsr[2]->setAllTimes((MY_FLOAT) 0.001,(MY_FLOAT) 0.25,(MY_FLOAT) 0.0,(MY_FLOAT) 0.04);
adsr[3]->setAllTimes((MY_FLOAT) 0.001,(MY_FLOAT) 0.15,(MY_FLOAT) 0.0,(MY_FLOAT) 0.04);
vibWave->setFreq((MY_FLOAT) 8.0);
}
void Wurley :: setFreq(MY_FLOAT frequency)
{
baseFreq = frequency;
waves[0]->setFreq(baseFreq * ratios[0]);
waves[1]->setFreq(baseFreq * ratios[1]);
waves[2]->setFreq(ratios[2]); /* Note here a 'fixed resonance' */
waves[3]->setFreq(ratios[3]);
}
void Wurley :: noteOn(MY_FLOAT freq, MY_FLOAT amp)
{
gains[0] = amp * __FM4Op_gains[99];
gains[1] = amp * __FM4Op_gains[82];
gains[2] = amp * __FM4Op_gains[82]; /* Originally 92 */
gains[3] = amp * __FM4Op_gains[68]; /* Originally 78 */
this->setFreq(freq);
this->keyOn();
#if defined(_debug_)
printf("Wurley : NoteOn: Freq=%lf Amp=%lf\n",freq,amp);
#endif
}