2019-10-30 20:09:28 -04:00
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/*
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* Filename: envelope.h
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*
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* Description:
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*
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*
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* Version:
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* Created: Wed Oct 30 17:15:02 2019
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* Revision: None
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* Author: Rachel Fae Fox (foxiepaws),fox@foxiepa.ws
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*
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*/
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#ifndef _H_ENVELOPE
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#define _H_ENVELOPE
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#include <stdbool.h>
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#include "../common.h"
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2019-10-31 01:50:01 -04:00
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typedef enum EnvState {_e_off,_e_attack, _e_attackrelease, _e_decay, _e_sustain,_e_release, _e_finished} EnvState;
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2019-10-30 20:09:28 -04:00
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typedef struct Envelope {
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// these values are in samples.
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unsigned int attack;
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unsigned int decay;
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unsigned int release;
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float sustain_level;
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float max_level;
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float min_level;
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2019-10-31 01:50:01 -04:00
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float level;
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2019-10-30 20:09:28 -04:00
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bool gate;
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2019-10-31 18:59:57 -04:00
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unsigned long t;
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2019-10-31 01:50:01 -04:00
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EnvState envstate;
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bool ar;
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bool sustain;
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float(*process)(struct Envelope *,EngineState *);
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2019-10-30 20:09:28 -04:00
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} Envelope;
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float envelope_process(Envelope *self, EngineState *t);
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Envelope* envelope_new();
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#endif
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