Files
serumalt/Source/Oscillator.h
T
biggy e4cea300db chore: land janitor round 1 and graft integration
Round 1 findings and fixes, all previously uncommitted:
- FXProcessor per-slot DSP history repair (HEAD does not compile without it)
- SynthVoice::getModulationValue, editor control-lock guard
- ExactCompare.h naming the deliberate exact float comparisons
- KnobLookAndFeel replacing the never-installed SerumLookAndFeel
- 55 first-party compiler warnings to 0
- AGENT.md renamed to AGENTS.md across Source/
- graft repository context graph and its hooks
- JANITOR_TASKS.md and UI_UX_AUDIT.md records
2026-10-06 08:50:45 +02:00

79 lines
2.3 KiB
C++

#pragma once
#include <JuceHeader.h>
#include "Params.h"
#include "Wavetable.h"
namespace serum
{
// ===========================================================================
// Per-oscillator parameters (snapshot read from the APVTS each block).
// ===========================================================================
struct OscParams
{
bool enabled = true;
int wave = 0;
float wtPos = 0.0f;
int warp = 0;
float warpAmt = 0.0f;
int coarse = 0;
int fine = 0;
float level = 1.0f;
float pan = 0.0f;
int unison = 1;
float detune = 0.0f;
float spread = 0.0f;
float phase = 0.0f;
float randPhase = 0.0f;
};
// ===========================================================================
// A polyphonic oscillator with wavetable morphing, warp modes and unison
// (1..16 sub-voices). Per-voice state (phase) lives here; params are read each
// block from the OscParams snapshot.
// ===========================================================================
class Oscillator
{
public:
Oscillator() = default;
void prepare (double sampleRate) { sr = sampleRate; reset(); }
void reset();
// Initialise a fresh note's unison sub-voices: phase offsets, detune, pan and gain.
void noteOn (const OscParams& p, juce::uint32 seed);
void setParams (const OscParams& p) noexcept;
// Accumulate this oscillator's contribution into outL/outR.
void processAdd (const Wavetable& wt, const OscParams& p, double freqHz,
float& outL, float& outR) noexcept;
int getActiveUnison() const noexcept { return activeUnison; }
private:
struct SubVoice
{
double phase = 0.0;
double detuneRatio = 1.0;
float panL = 0.70710678f;
float panR = 0.70710678f;
float level = 1.0f;
};
std::array<SubVoice, kMaxUnison> voices;
int activeUnison = 1;
int initializedUnison = 0;
bool paramsValid = false;
OscParams cachedParams;
double sr = 44100.0;
juce::Random rng;
static constexpr double kTwoPi = juce::MathConstants<double>::twoPi;
float warpPhase (float phase, const OscParams& p) const noexcept;
float warpSample (float sample, const OscParams& p) const noexcept;
};
} // namespace serum