/*
 * Filename:    wavtest.cpp
 *
 * Description:
 *
 *
 * Version:     
 * Created:     Mon Mar  9 23:06:08 2020
 * Revision:    None
 * Author:      Rachel Fae Fox (foxiepaws),fox@foxiepa.ws
 *
 */


#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include "FM/Engine.h"
#include "WavWriter/WavWriter.h"
using namespace amalgam;

int16_t toint16(double i) {
    double temp = i *= 32767;
    return floor(temp);
}
int main(int argc, char** argv){
    FM::Engine<2> *f = new FM::Engine<2>();
    f->getOperator(0)->setAll(2.0,0.0,0.0);
    f->getOperator(0)->getEnvelope()->setAttackTime(1.0);
    f->getOperator(0)->getEnvelope()->setDecayTime(0.5);
    f->getOperator(0)->getEnvelope()->setMaxLevel(1.0);
    f->getOperator(0)->getEnvelope()->setModMode(true); // play until reset.
    f->getOperator(1)->getEnvelope()->setReleaseTime(2.5); 
    f->getOperator(1)->setAll(1.0,0.0,0.0);
    f->setGainMatrix(0,0,0.0); // op1 fbl    = 0
    f->setGainMatrix(0,1,1.0); // op1 -> op2 = 1
    f->setGainMatrix(1,0,0.0); // op2 -> op1 = 0
    f->setGainMatrix(1,2,1.0); // op2 -> out = 1
    f->freq = 440;
    f->gate = true;
    double   seconds    = 20;
    // init a new writer
    WavWriter *w = new WavWriter("wavtest.wav",44100,2,16);
    for (int s = 0; s < 44100*seconds; s++) {
	std::pair<double,double> st = (*f)();
	w->write(toint16(st.first/4.0), toint16(st.second/4.0));
    }
    w->finalise();
    return 0;
}