#pragma once

#include "../FXProcessor.h"

namespace serum
{

// ===========================================================================
// Delay — stereo delay with feedback, damping and ping-pong. p[0]=time,
// p[1]=feedback, p[2]=damping, p[3]=ping-pong/width.
// ===========================================================================
class DelayUnit : public FXUnit
{
public:
    void prepare (double sampleRate, int maxBlockSize) override;
    void reset() override;
    void process (float* l, float* r, int numSamples, const float p[4]) override;

private:
    double sr = 44100.0;
    std::vector<float> delayL, delayR;
    int    writePos = 0;
    float  dampL = 0.0f, dampR = 0.0f;
};

} // namespace serum