#include "maximilian.h"

//This shows how to use maximilian to build a polyphonic synth.

//These are the synthesiser bits
maxiOsc VCO1[6],VCO2[6],LFO1[6],LFO2[6];
maxiFilter VCF[6];
maxiEnvelope ADSR[6];

//These are the control values for the envelope

double adsrEnv[8]={1,5,0.125,100,0.125,200,0,1000};

//This is a bunch of control signals so that we can hear something

maxiOsc timer;//this is the metronome
int currentCount,lastCount,voice=0;//these values are used to check if we have a new beat this sample

//and these are some variables we can use to pass stuff around

double VCO1out[6],VCO2out[6],LFO1out[6],LFO2out[6],VCFout[6],ADSRout[6],mix,pitch[6];


void setup() {//some inits
	
	
}

void play(double *output) {
	
	//so this first bit is just a basic metronome so we can hear what we're doing.
	
	currentCount=(int)timer.phasor(8);//this sets up a metronome that ticks 8 times a second
	
	if (lastCount!=currentCount) {//if we have a new timer int this sample, play the sound
		
		if (voice==6) {
			voice=0;
		}
		
		ADSR[voice].trigger(0, adsrEnv[0]);//trigger the envelope from the start
		pitch[voice]=voice+1;
		voice++;

		lastCount=0;

	}

	//and this is where we build the synth
	
	for (int i=0; i<6; i++) {

	
	ADSRout[i]=ADSR[i].line(8,adsrEnv);//our ADSR env has 8 value/time pairs.
	
	LFO1out[i]=LFO1[i].sinebuf(0.2);//this lfo is a sinewave at 0.2 hz
	
	VCO1out[i]=VCO1[i].pulse(55*pitch[i],0.6);//here's VCO1. it's a pulse wave at 55 hz, with a pulse width of 0.6
	VCO2out[i]=VCO2[i].pulse((110*pitch[i])+LFO1out[i],0.2);//here's VCO2. it's a pulse wave at 110hz with LFO modulation on the frequency, and width of 0.2
	
	
	VCFout[i]=VCF[i].lores((VCO1out[i]+VCO2out[i])*0.5, 250+(ADSRout[i]*15000), 10);//now we stick the VCO's into the VCF, using the ADSR as the filter cutoff 
	
	mix+=VCFout[i]*ADSRout[i]/6;//finally we add the ADSR as an amplitude modulator 

		
	}
	
	*output=mix;
}