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/**
bespoke synth, a software modular synthesizer
Copyright (C) 2021 Ryan Challinor (contact: awwbees@gmail.com)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
**/
//
// Metronome.cpp
// modularSynth
//
// Created by Ryan Challinor on 3/16/13.
//
//
#include "Metronome.h"
#include "IAudioReceiver.h"
#include "ModularSynth.h"
#include "Profiler.h"
Metronome::Metronome()
{
}
void Metronome::Init()
{
IDrawableModule::Init();
mTransportListenerInfo = TheTransport->AddListener(this, kInterval_4n, OffsetInfo(0, true), false);
}
void Metronome::CreateUIControls()
{
IDrawableModule::CreateUIControls();
mVolumeSlider = new FloatSlider(this, "vol", 5, 18, 70, 15, &mVolume, 0, 1);
}
Metronome::~Metronome()
{
TheTransport->RemoveListener(this);
}
void Metronome::Process(double time)
{
PROFILER(Metronome);
IAudioReceiver* target = GetTarget();
if (!mEnabled || target == nullptr)
return;
int bufferSize = target->GetBuffer()->BufferSize();
float* out = target->GetBuffer()->GetChannel(0);
assert(bufferSize == gBufferSize);
for (int i = 0; i < bufferSize; ++i)
{
float sample = mOsc.Audio(time, mPhase) * mVolume / 10;
out[i] += sample;
GetVizBuffer()->Write(sample, 0);
mPhase += mPhaseInc;
while (mPhase > FTWO_PI)
{
mPhase -= FTWO_PI;
}
time += gInvSampleRateMs;
}
}
void Metronome::OnTimeEvent(double time)
{
int step = TheTransport->GetQuantized(time, mTransportListenerInfo);
if (step == 0)
{
mPhaseInc = GetPhaseInc(880);
mOsc.Start(gTime, 1, 0, 100, 0, 0);
}
else if (step == 2)
{
mPhaseInc = GetPhaseInc(480);
mOsc.Start(gTime, 1, 0, 70, 0, 0);
}
else
{
mPhaseInc = GetPhaseInc(440);
mOsc.Start(gTime, .8f, 0, 50, 0, 0);
}
}
void Metronome::DrawModule()
{
if (Minimized() || IsVisible() == false)
return;
mVolumeSlider->Draw();
}
void Metronome::LoadLayout(const ofxJSONElement& moduleInfo)
{
mModuleSaveData.LoadString("target", moduleInfo);
SetUpFromSaveData();
}
void Metronome::SetUpFromSaveData()
{
SetTarget(TheSynth->FindModule(mModuleSaveData.GetString("target")));
}
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