BogaudioModules

BogaudioModules for VCV Rack
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FFB.hpp (3228B)

      1 #pragma once
      2 
      3 #include "bogaudio.hpp"
      4 #include "filters/multimode.hpp"
      5 
      6 using namespace bogaudio::dsp;
      7 
      8 extern Model* modelFFB;
      9 
     10 namespace bogaudio {
     11 
     12 struct FFB : BGModule {
     13 	enum ParamsIds {
     14 		LOWPASS_PARAM,
     15 		BAND_1_PARAM,
     16 		BAND_2_PARAM,
     17 		BAND_3_PARAM,
     18 		BAND_4_PARAM,
     19 		BAND_5_PARAM,
     20 		BAND_6_PARAM,
     21 		BAND_7_PARAM,
     22 		BAND_8_PARAM,
     23 		BAND_9_PARAM,
     24 		BAND_10_PARAM,
     25 		BAND_11_PARAM,
     26 		BAND_12_PARAM,
     27 		HIGHPASS_PARAM,
     28 		CV_PARAM,
     29 		NUM_PARAMS
     30 	};
     31 
     32 	enum InputsIds {
     33 		IN_INPUT,
     34 		CV_INPUT,
     35 		NUM_INPUTS
     36 	};
     37 
     38 	enum OutputsIds {
     39 		ALL_OUTPUT,
     40 		ODD_OUTPUT,
     41 		EVEN_OUTPUT,
     42 		NUM_OUTPUTS
     43 	};
     44 
     45 	enum LightsIds {
     46 		NUM_LIGHTS
     47 	};
     48 
     49 	struct Engine {
     50 		MultimodeFilter8 _lowPass;
     51 		FourPoleButtworthBandpassFilter _bandPasses[12];
     52 		MultimodeFilter8 _highPass;
     53 		Amplifier _amplifiers[14];
     54 		bogaudio::dsp::SlewLimiter _slews[14];
     55 		float _semitonesOffset = 0.0f;
     56 		float _bandFrequencies[14] {};
     57 
     58 		Engine() {
     59 			sampleRateChange();
     60 		}
     61 
     62 		void sampleRateChange();
     63 		void setSemitonesOffset(float semitonesOffset);
     64 		void configureBands(float sr, float semitonesOffset);
     65 		float bandFrequency(int i, float semitonesOffset);
     66 	};
     67 
     68 	Engine* _engines[maxChannels] {};
     69 	float _levels[14] {};
     70 
     71 	FFB() {
     72 		config(NUM_PARAMS, NUM_INPUTS, NUM_OUTPUTS, NUM_LIGHTS);
     73 		configParam<AmplifierParamQuantity>(BAND_1_PARAM, 0.0f, 1.0f, 1.0f, "Band 1 level");
     74 		configParam<AmplifierParamQuantity>(BAND_5_PARAM, 0.0f, 1.0f, 1.0f, "Band 5 level");
     75 		configParam<AmplifierParamQuantity>(BAND_9_PARAM, 0.0f, 1.0f, 1.0f, "Band 9 level");
     76 		configParam<AmplifierParamQuantity>(BAND_2_PARAM, 0.0f, 1.0f, 1.0f, "Band 2 level");
     77 		configParam<AmplifierParamQuantity>(BAND_6_PARAM, 0.0f, 1.0f, 1.0f, "Band 6 level");
     78 		configParam<AmplifierParamQuantity>(BAND_10_PARAM, 0.0f, 1.0f, 1.0f, "Band 10 level");
     79 		configParam<AmplifierParamQuantity>(BAND_3_PARAM, 0.0f, 1.0f, 1.0f, "Band 3 level");
     80 		configParam<AmplifierParamQuantity>(BAND_7_PARAM, 0.0f, 1.0f, 1.0f, "Band 7 level");
     81 		configParam<AmplifierParamQuantity>(BAND_11_PARAM, 0.0f, 1.0f, 1.0f, "Band 11 level");
     82 		configParam<AmplifierParamQuantity>(BAND_4_PARAM, 0.0f, 1.0f, 1.0f, "Band 4 level");
     83 		configParam<AmplifierParamQuantity>(BAND_8_PARAM, 0.0f, 1.0f, 1.0f, "Band 8 level");
     84 		configParam<AmplifierParamQuantity>(BAND_12_PARAM, 0.0f, 1.0f, 1.0f, "Band 12 level");
     85 		configParam<AmplifierParamQuantity>(LOWPASS_PARAM, 0.0f, 1.0f, 1.0f, "Lowpass level");
     86 		configParam(CV_PARAM, -1.0f, 1.0f, 0.0f, "Frequency offset", " semitones", 0.0f, 12.0f);
     87 		configParam<AmplifierParamQuantity>(HIGHPASS_PARAM, 0.0f, 1.0f, 1.0f, "Highpass level");
     88 		configBypass(IN_INPUT, ALL_OUTPUT);
     89 		configBypass(IN_INPUT, ODD_OUTPUT);
     90 		configBypass(IN_INPUT, EVEN_OUTPUT);
     91 
     92 		configInput(IN_INPUT, "Signal");
     93 		configInput(CV_INPUT, "Frequency CV");
     94 
     95 		configOutput(ALL_OUTPUT, "All filters mix");
     96 		configOutput(ODD_OUTPUT, "Odd filters mix");
     97 		configOutput(EVEN_OUTPUT, "Even filters mix");
     98 	}
     99 
    100 	void sampleRateChange() override;
    101 	bool active() override;
    102 	int channels() override;
    103 	void addChannel(int c) override;
    104 	void removeChannel(int c) override;
    105 	void modulate() override;
    106 	void modulateChannel(int c) override;
    107 	void processChannel(const ProcessArgs& args, int c) override;
    108 };
    109 
    110 } // namespace bogaudio