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KSynth.cpp
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#include "KSynth.h"
#include "IPlug_include_in_plug_src.h"
#include "IControls.h"
KSynth::KSynth(const InstanceInfo& info)
: Plugin(info, MakeConfig(kNumParams, kNumPresets))
{
/* Initialize parameters */
GetParam(kGain)->InitDouble("Gain", 10.0, 0.0, 100.0, 0.01, "%");
GetParam(kOsc1Enabled)->InitBool("Osc 1 Enabled", true);
GetParam(kOsc2Enabled)->InitBool("Osc 2 Enabled", false);
GetParam(kOsc1WaveType)->InitEnum("Osc 1 Wavetype", 0, { WAVE_TYPE_NAMES });
GetParam(kOsc2WaveType)->InitEnum("Osc 2 Wavetype", 1, { WAVE_TYPE_NAMES });
GetParam(kOsc1Gain)->InitDouble("Osc 1 Gain", 100.0, 0.0, 100.0, 0.01);
GetParam(kOsc2Gain)->InitDouble("Osc 2 Gain", 0.0, 0.0, 100.0, 0.01);
GetParam(kOsc1OffsetOctave)->InitInt("Osc 1 Octave Offset", 0, -3, 3);
GetParam(kOsc2OffsetOctave)->InitInt("Osc 2 Octave Offset", 0, -3, 3);
GetParam(kOsc1Pan)->InitDouble("Osc 1 Panning", 0, -100.0, 100.0, 0.01);
GetParam(kOsc2Pan)->InitDouble("Osc 2 Panning", 0, -100.0, 100.0, 0.01);
GetParam(kOsc1UnisonAmount)->InitInt("Osc 1 Unison", 0, 0, MAX_UNISON - 1);
GetParam(kOsc2UnisonAmount)->InitInt("Osc 2 Unison", 0, 0, MAX_UNISON - 1);
GetParam(kOsc1UnisonDetune)->InitDouble("Osc 1 Detune", 0.0, 0.0, 100.0, 0.01);
GetParam(kOsc2UnisonDetune)->InitDouble("Osc 2 Detune", 0.0, 0.0, 100.0, 0.01);
GetParam(kEnvAttack)->InitDouble("Amp Env Attack", 0.0, 0.0, 5.0, 0.01);
GetParam(kEnvDecay)->InitDouble("Amp Env Decay", 1.0, 0.0, 5.0, 0.01);
GetParam(kEnvSustain)->InitDouble("Amp Env Sustain", 100.0, 0.0, 100.0, 0.01);
GetParam(kEnvRelease)->InitDouble("Amp Env Release", 0.0, 0.0, 5.0, 0.01);
GetParam(kLFO1Enabled)->InitBool("LFO Enabled", false);
GetParam(kLFO1Mode)->InitEnum("LFO Mode", 0, { LFO_MODE_NAMES });
GetParam(kLFO1Amp)->InitDouble("LFO Amplitude", 0.0, 0.0, 100.0, 0.01);
GetParam(kLFO1Rate)->InitDouble("LFO Rate", 0.0, 0.0, 20.0, 0.01);
#if IPLUG_EDITOR // http://bit.ly/2S64BDd
mMakeGraphicsFunc = [&]() {
return MakeGraphics(*this, PLUG_WIDTH, PLUG_HEIGHT, PLUG_FPS, GetScaleForScreen(PLUG_WIDTH, PLUG_HEIGHT));
};
mLayoutFunc = [&](IGraphics* pGraphics) {
pGraphics->AttachCornerResizer(EUIResizerMode::Scale, false);
pGraphics->AttachBackground(PNG_SKIN);
pGraphics->LoadFont("Roboto-Regular", ROBOTO_FN);
const IRECT b = pGraphics->GetBounds();
// Load images
const IBitmap bmpWaveTypePanel = pGraphics->LoadBitmap(PNG_WAVETYPES, 5);
const IBitmap bmpKnob = pGraphics->LoadBitmap(PNG_KNOB);
const IBitmap bmpButtonToggle = pGraphics->LoadBitmap(PNG_BUTTON_TOGGLE, 2);
const IBitmap bmpLFOStates = pGraphics->LoadBitmap(PNG_LFO_STATES, 2);
/* Attach controls */
pGraphics->AttachControl(new IBKnobRotaterControl(8, 8, bmpKnob, kGain));
AddText(pGraphics, 25, 46, TEXT_LIGHT, "Main");
// Volume meter
pGraphics->AttachControl(new IVLEDMeterControl<2>(IRECT(PLUG_WIDTH - 30, 64, PLUG_WIDTH - 22, 128)), kCtrlTagMeter);
// Oscillator parameters
pGraphics->AttachControl(new IBSwitchControl(49, 63, bmpButtonToggle, kOsc1Enabled));
AddText(pGraphics, 30, 70, TEXT_LIGHT_MED, "Osc 1");
pGraphics->AttachControl(new IBSwitchControl(202, 63, bmpButtonToggle, kOsc2Enabled));
AddText(pGraphics, 178, 70, TEXT_LIGHT_MED, "Osc 2");
pGraphics->AttachControl(new IBSwitchControl(11, 136, bmpWaveTypePanel, kOsc1WaveType));
pGraphics->AttachControl(new IBSwitchControl(161, 136, bmpWaveTypePanel, kOsc2WaveType));
pGraphics->AttachControl(new IBKnobRotaterControl(10, 80, bmpKnob, kOsc1Gain));
AddText(pGraphics, 26, 120, TEXT_LIGHT, "Gain");
pGraphics->AttachControl(new IBKnobRotaterControl(158, 80, bmpKnob, kOsc2Gain));
AddText(pGraphics, 174, 120, TEXT_LIGHT, "Gain");
pGraphics->AttachControl(new IBKnobRotaterControl(46, 80, bmpKnob, kOsc1Pan));
AddText(pGraphics, 62, 120, TEXT_LIGHT, "Pan");
pGraphics->AttachControl(new IBKnobRotaterControl(194, 80, bmpKnob, kOsc2Pan));
AddText(pGraphics, 210, 120, TEXT_LIGHT, "Pan");
pGraphics->AttachControl(new IBKnobRotaterControl(8, 158, bmpKnob, kOsc1OffsetOctave));
AddText(pGraphics, 62, 173, TEXT_LIGHT, "Octave");
pGraphics->AttachControl(new IBKnobRotaterControl(158, 158, bmpKnob, kOsc2OffsetOctave));
AddText(pGraphics, 212, 173, TEXT_LIGHT, "Octave");
pGraphics->AttachControl(new IBKnobRotaterControl(8, 194, bmpKnob, kOsc1UnisonAmount));
AddText(pGraphics, 62, 209, TEXT_LIGHT, "Unison");
pGraphics->AttachControl(new IBKnobRotaterControl(158, 194, bmpKnob, kOsc2UnisonAmount));
AddText(pGraphics, 212, 209, TEXT_LIGHT, "Unison");
pGraphics->AttachControl(new IBKnobRotaterControl(8, 230, bmpKnob, kOsc1UnisonDetune));
AddText(pGraphics, 62, 245, TEXT_LIGHT, "Detune");
pGraphics->AttachControl(new IBKnobRotaterControl(158, 230, bmpKnob, kOsc2UnisonDetune));
AddText(pGraphics, 212, 245, TEXT_LIGHT, "Detune");
// ADSR parameters
AddText(pGraphics, 38, PLUG_HEIGHT - 64, TEXT_LIGHT_MED, "Envelope");
pGraphics->AttachControl(new IBKnobRotaterControl(8, PLUG_HEIGHT - 52, bmpKnob, kEnvAttack));
AddText(pGraphics, 24, PLUG_HEIGHT - 13, TEXT_LIGHT, "A");
pGraphics->AttachControl(new IBKnobRotaterControl(44, PLUG_HEIGHT - 52, bmpKnob, kEnvDecay));
AddText(pGraphics, 60, PLUG_HEIGHT - 13, TEXT_LIGHT, "D");
pGraphics->AttachControl(new IBKnobRotaterControl(80, PLUG_HEIGHT - 52, bmpKnob, kEnvSustain));
AddText(pGraphics, 96, PLUG_HEIGHT - 13, TEXT_LIGHT, "S");
pGraphics->AttachControl(new IBKnobRotaterControl(116, PLUG_HEIGHT - 52, bmpKnob, kEnvRelease));
AddText(pGraphics, 132, PLUG_HEIGHT - 13, TEXT_LIGHT, "R");
// LFO parameters
AddText(pGraphics, 22, PLUG_HEIGHT - 174, TEXT_LIGHT_MED, "LFO");
pGraphics->AttachControl(new IBSwitchControl(10, PLUG_HEIGHT - 154, bmpButtonToggle, kLFO1Enabled));
pGraphics->AttachControl(new IBSwitchControl(32, PLUG_HEIGHT - 158, bmpLFOStates, kLFO1Mode));
pGraphics->AttachControl(new IBKnobRotaterControl(8, PLUG_HEIGHT - 128, bmpKnob, kLFO1Amp));
AddText(pGraphics, 24, PLUG_HEIGHT - 90, TEXT_LIGHT, "Amp");
pGraphics->AttachControl(new IBKnobRotaterControl(44, PLUG_HEIGHT - 128, bmpKnob, kLFO1Rate));
AddText(pGraphics, 60, PLUG_HEIGHT - 90, TEXT_LIGHT, "Rate");
};
#endif
}
#if IPLUG_EDITOR
void KSynth::AddText(IGraphics* pGraphics, int x, int y, IText textProps, char* cString)
{
IRECT rect(x, y, x, y);
pGraphics->MeasureText(textProps, cString, rect);
pGraphics->AttachControl(new ITextControl(rect, cString, textProps));
}
#endif
#if IPLUG_DSP
void KSynth::ProcessBlock(sample** inputs, sample** outputs, int nFrames)
{
const double gain = GetParam(kGain)->Value() / 100.;
double* out1 = outputs[0];
double* out2 = outputs[1];
for (int s = 0; s < nFrames; ++s, ++out1, ++out2)
{
double *result = mDSP.Process(m_dGlobalTime);
*out1 = result[0] * gain;
*out2 = result[1] * gain;
m_dGlobalTime += (1.0 / m_iSampleRate);
}
// Send output to volume meter
mMeterSender.ProcessBlock(outputs, nFrames, kCtrlTagMeter);
}
void KSynth::OnIdle()
{
mMeterSender.TransmitData(*this);
}
void KSynth::ProcessMidiMsg(const IMidiMsg& msg)
{
int status = msg.StatusMsg();
switch (status)
{
case IMidiMsg::kControlChange: // Check for changed midi controls
{
// Toggle sustain
if (msg.Channel() == 0 && msg.ControlChangeIdx() == IMidiMsg::kSustainOnOff) {
// TODO: Toggle sustain
}
break;
}
case IMidiMsg::kNoteOn: // Handle note on/off messages
case IMidiMsg::kNoteOff:
{
int velocity = msg.Velocity();
if (status == IMidiMsg::kNoteOn && velocity) {
mDSP.NoteOn(msg.NoteNumber(), velocity / 127.0, m_dGlobalTime);
}
else {
mDSP.NoteOff(msg.NoteNumber(), m_dGlobalTime);
}
break;
}
default:
return;
}
}
void KSynth::OnReset()
{
mDSP.StopAllVoices();
m_iSampleRate = GetSampleRate();
mDSP.SetSampleRate(m_iSampleRate);
m_dGlobalTime = 0;
}
void KSynth::OnParamChange(int paramIdx)
{
mDSP.SetParam(paramIdx, GetParam(paramIdx)->Value());
}
#endif