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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/>.
**/
//
// FreqDelay.cpp
// modularSynth
//
// Created by Ryan Challinor on 5/10/13.
//
//
#include "FreqDelay.h"
#include "ModularSynth.h"
#include "Profiler.h"
#include "Scale.h"
FreqDelay::FreqDelay()
: IAudioProcessor(gBufferSize)
, mDryBuffer(gBufferSize)
{
AddChild(&mDelayEffect);
mDelayEffect.SetPosition(5, 30);
mDelayEffect.SetEnabled(true);
mDelayEffect.SetDelay(15);
}
void FreqDelay::CreateUIControls()
{
IDrawableModule::CreateUIControls();
mDryWetSlider = new FloatSlider(this, "dry/wet", 7, 2, 100, 15, &mDryWet, 0, 1);
mDelayEffect.CreateUIControls();
mDelayEffect.SetShortMode(true);
}
FreqDelay::~FreqDelay()
{
}
void FreqDelay::Process(double time)
{
PROFILER(FreqDelay);
IAudioReceiver* target = GetTarget();
if (target == nullptr)
return;
SyncBuffers();
mDryBuffer.SetNumActiveChannels(GetBuffer()->NumActiveChannels());
int bufferSize = GetBuffer()->BufferSize();
mDryBuffer.CopyFrom(GetBuffer());
mDelayEffect.ProcessAudio(time, GetBuffer());
for (int ch = 0; ch < GetBuffer()->NumActiveChannels(); ++ch)
{
Mult(mDryBuffer.GetChannel(ch), (1 - mDryWet), bufferSize);
Mult(GetBuffer()->GetChannel(ch), mDryWet, bufferSize);
Add(GetBuffer()->GetChannel(ch), mDryBuffer.GetChannel(ch), bufferSize);
Add(target->GetBuffer()->GetChannel(ch), GetBuffer()->GetChannel(ch), bufferSize);
GetVizBuffer()->WriteChunk(GetBuffer()->GetChannel(ch), bufferSize, ch);
}
GetBuffer()->Reset();
}
void FreqDelay::PlayNote(double time, int pitch, int velocity, int voiceIdx, ModulationParameters modulation)
{
if (velocity > 0)
{
float freq = TheScale->PitchToFreq(pitch);
float ms = 1000 / freq;
mDelayEffect.SetDelay(ms);
}
}
void FreqDelay::DrawModule()
{
if (Minimized() || IsVisible() == false)
return;
mDelayEffect.Draw();
mDryWetSlider->Draw();
}
void FreqDelay::FloatSliderUpdated(FloatSlider* slider, float oldVal, double time)
{
}
void FreqDelay::LoadLayout(const ofxJSONElement& moduleInfo)
{
mModuleSaveData.LoadString("target", moduleInfo);
SetUpFromSaveData();
}
void FreqDelay::SetUpFromSaveData()
{
SetTarget(TheSynth->FindModule(mModuleSaveData.GetString("target")));
}
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