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OB-Xd/Source/Engine/Motherboard.h
2019-09-01 21:29:25 +02:00

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/*
==============================================================================
This file is part of Obxd synthesizer.
Copyright <20> 2013-2014 Filatov Vadim
Contact author via email :
justdat_@_e1.ru
This file may be licensed under the terms of of the
GNU General Public License Version 2 (the ``GPL'').
Software distributed under the License is distributed
on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either
express or implied. See the GPL for the specific language
governing rights and limitations.
You should have received a copy of the GPL along with this
program. If not, go to http://www.gnu.org/licenses/gpl.html
or write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
==============================================================================
*/
#pragma once
#include <climits>
#include "VoiceQueue.h"
#include "SynthEngine.h"
#include "Lfo.h"
class Motherboard
{
private:
VoiceQueue vq;
int totalvc;
bool wasUni;
bool awaitingkeys[129];
int priorities[129];
Decimator17 left,right;
int asPlayedCounter;
float lkl,lkr;
float sampleRate,sampleRateInv;
//JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (Motherboard)
public:
bool asPlayedMode;
Lfo mlfo,vibratoLfo;
float vibratoAmount;
bool vibratoEnabled;
float Volume;
const static int MAX_VOICES=8;
float pannings[MAX_VOICES];
ObxdVoice voices[MAX_VOICES];
bool uni;
bool Oversample;
bool economyMode;
Motherboard(): left(),right()
{
economyMode = true;
lkl=lkr=0;
vibratoEnabled = true;
asPlayedMode = false;
asPlayedCounter = 0;
for(int i = 0 ; i < 129 ; i++)
{
awaitingkeys[i] = false;
priorities[i] = 0;
}
vibratoAmount = 0;
Oversample=false;
mlfo= Lfo();
vibratoLfo=Lfo();
vibratoLfo.waveForm = 1;
uni = false;
wasUni = false;
Volume=0;
// voices = new ObxdVoice* [MAX_VOICES];
// pannings = new float[MAX_VOICES];
totalvc = MAX_VOICES;
vq = VoiceQueue(MAX_VOICES,voices);
for(int i = 0 ; i < MAX_VOICES;++i)
{
pannings[i]= 0.5;
}
}
~Motherboard()
{
//delete pannings;
//for(int i = 0 ; i < MAX_VOICES;++i)
//{
// delete voices[i];
//}
//delete voices;
}
void setVoiceCount(int count)
{
for(int i = count ; i < MAX_VOICES;i++)
{
voices[i].NoteOff();
voices[i].ResetEnvelope();
}
vq.reInit(count);
totalvc = count;
}
void unisonOn()
{
//for(int i = 0 ; i < 110;i++)
// awaitingkeys[i] = false;
}
void setSampleRate(float sr)
{
sampleRate = sr;
sampleRateInv = 1 / sampleRate;
mlfo.setSamlpeRate(sr);
vibratoLfo.setSamlpeRate(sr);
for(int i = 0 ; i < MAX_VOICES;++i)
{
voices[i].setSampleRate(sr);
}
SetOversample(Oversample);
}
void sustainOn()
{
for(int i = 0 ; i < MAX_VOICES;i++)
{
ObxdVoice* p = vq.getNext();
p->sustOn();
}
}
void sustainOff()
{
for(int i = 0 ; i < MAX_VOICES;i++)
{
ObxdVoice* p = vq.getNext();
p->sustOff();
}
}
void setNoteOn(int noteNo,float velocity)
{
asPlayedCounter++;
priorities[noteNo] = asPlayedCounter;
bool processed=false;
if (wasUni != uni)
unisonOn();
if (uni)
{
if(!asPlayedMode)
{
int minmidi = 129;
for(int i = 0 ; i < totalvc; i++)
{
ObxdVoice* p = vq.getNext();
if(p->midiIndx < minmidi && p->Active)
{
minmidi = p->midiIndx;
}
}
if(minmidi < noteNo)
{
awaitingkeys[noteNo] = true;
}
else
{
for(int i = 0 ; i < totalvc;i++)
{
ObxdVoice* p = vq.getNext();
if(p->midiIndx > noteNo && p->Active)
{
awaitingkeys[p->midiIndx] = true;
p->NoteOn(noteNo,-0.5);
}
else
{
p->NoteOn(noteNo,velocity);
}
}
}
processed = true;
}
else
{
for(int i = 0 ; i < totalvc; i++)
{
ObxdVoice* p = vq.getNext();
if(p->Active)
{
awaitingkeys[p->midiIndx] = true;
p->NoteOn(noteNo,-0.5);
}
else
{
p->NoteOn(noteNo,velocity);
}
}
processed = true;
}
}
else
{
for (int i = 0; i < totalvc && !processed; i++)
{
ObxdVoice* p = vq.getNext();
if (!p->Active)
{
p->NoteOn(noteNo,velocity);
processed = true;
}
}
}
// if voice steal occured
if(!processed)
{
//
if(!asPlayedMode)
{
int maxmidi = 0;
ObxdVoice* highestVoiceAvalible = NULL;
for(int i = 0 ; i < totalvc; i++)
{
ObxdVoice* p = vq.getNext();
if(p->midiIndx > maxmidi)
{
maxmidi = p->midiIndx;
highestVoiceAvalible = p;
}
}
if(maxmidi < noteNo)
{
awaitingkeys[noteNo] = true;
}
else
{
highestVoiceAvalible->NoteOn(noteNo,-0.5);
awaitingkeys[maxmidi] = true;
}
}
else
{
int minPriority = INT_MAX;
ObxdVoice* minPriorityVoice = NULL;
for(int i = 0 ; i < totalvc; i++)
{
ObxdVoice* p = vq.getNext();
if(priorities[p->midiIndx] <minPriority)
{
minPriority = priorities[p->midiIndx];
minPriorityVoice = p;
}
}
awaitingkeys[minPriorityVoice->midiIndx] = true;
minPriorityVoice->NoteOn(noteNo,-0.5);
}
}
wasUni = uni;
}
void setNoteOff(int noteNo)
{
awaitingkeys[noteNo] = false;
int reallocKey = 0;
//Voice release case
if(!asPlayedMode)
{
while(reallocKey < 129 &&(!awaitingkeys[reallocKey]))
{
reallocKey++;
}
}
else
{
reallocKey = 129;
int maxPriority = INT_MIN;
for(int i = 0 ; i < 129;i++)
{
if(awaitingkeys[i] && (maxPriority < priorities[i]))
{
reallocKey = i;
maxPriority = priorities[i];
}
}
}
if(reallocKey !=129)
{
for(int i = 0 ; i < totalvc; i++)
{
ObxdVoice* p = vq.getNext();
if((p->midiIndx == noteNo) && (p->Active))
{
p->NoteOn(reallocKey,-0.5);
awaitingkeys[reallocKey] = false;
}
}
}
else
//No realloc
{
for (int i = 0; i < totalvc; i++)
{
ObxdVoice* n = vq.getNext();
if (n->midiIndx==noteNo && n->Active)
{
n->NoteOff();
}
}
}
}
void SetOversample(bool over)
{
if(over==true)
{
mlfo.setSamlpeRate(sampleRate*2);
vibratoLfo.setSamlpeRate(sampleRate*2);
}
else
{
mlfo.setSamlpeRate(sampleRate);
vibratoLfo.setSamlpeRate(sampleRate);
}
for(int i = 0 ; i < MAX_VOICES;i++)
{
voices[i].setHQ(over);
if(over)
voices[i].setSampleRate(sampleRate*2);
else
voices[i].setSampleRate(sampleRate);
}
Oversample = over;
}
inline float processSynthVoice(ObxdVoice& b,float lfoIn,float vibIn )
{
if(economyMode)
b.checkAdsrState();
if(b.shouldProcessed||(!economyMode))
{
b.lfoIn=lfoIn;
b.lfoVibratoIn=vibIn;
return b.ProcessSample();
}
return 0;
}
void processSample(float* sm1,float* sm2)
{
mlfo.update();
vibratoLfo.update();
float vl=0,vr=0;
float vlo = 0 , vro = 0 ;
float lfovalue = mlfo.getVal();
float viblfo = vibratoEnabled?(vibratoLfo.getVal() * vibratoAmount):0;
float lfovalue2=0,viblfo2;
if(Oversample)
{
mlfo.update();
vibratoLfo.update();
lfovalue2 = mlfo.getVal();
viblfo2 = vibratoEnabled?(vibratoLfo.getVal() * vibratoAmount):0;
}
for(int i = 0 ; i < totalvc;i++)
{
float x1 = processSynthVoice(voices[i],lfovalue,viblfo);
if(Oversample)
{
float x2 = processSynthVoice(voices[i],lfovalue2,viblfo2); vlo+=x2*(1-pannings[i]);
vro+=x2*(pannings[i]);
}
vl+=x1*(1-pannings[i]);
vr+=x1*(pannings[i]);
}
if(Oversample)
{
vl = left.Calc(vl,vlo);
vr = right.Calc(vr,vro);
}
*sm1 = vl*Volume;
*sm2 = vr*Volume;
}
};