mirror of
https://github.com/thestk/stk
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60 lines
1.7 KiB
C++
60 lines
1.7 KiB
C++
/*******************************************/
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/* Master Class for 4 Operator FM Synth */
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/* by Perry R. Cook, 1995-96 */
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/* This instrument contains an 4 waves, */
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/* 4 envelopes, and various state vars. */
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/* */
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/* The basic Chowning/Stanford FM patent */
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/* expired April 1995, but there exist */
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/* follow-on patents, mostly assigned to */
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/* Yamaha. If you are of the type who */
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/* should worry about this (making money) */
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/* worry away. */
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/* */
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/*******************************************/
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#if !defined(__FM4Op_h)
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#define __FM4Op_h
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#include "Instrmnt.h"
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#include "ADSR.h"
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#include "RawWvIn.h"
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#include "TwoZero.h"
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class FM4Op : public Instrmnt
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{
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protected:
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ADSR *adsr[4];
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RawWvIn *waves[4];
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RawWvIn *vibWave;
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TwoZero *twozero;
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MY_FLOAT baseFreq;
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MY_FLOAT ratios[4];
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MY_FLOAT gains[4];
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MY_FLOAT modDepth;
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MY_FLOAT control1;
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MY_FLOAT control2;
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MY_FLOAT __FM4Op_gains[100];
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MY_FLOAT __FM4Op_susLevels[16];
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MY_FLOAT __FM4Op_attTimes[32];
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public:
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FM4Op();
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virtual ~FM4Op();
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void loadWaves(char* wave1, char* wave2, char* wave3, char* wave4);
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void clear();
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void setFreq(MY_FLOAT frequency);
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void setRatio(int whichOne, MY_FLOAT ratio);
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void setGain(int whichOne, MY_FLOAT gain);
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void keyOn();
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void keyOff();
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void noteOff(MY_FLOAT amp);
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/* There's no tick() method here, because that depends on the algorithm */
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void setModulationSpeed(MY_FLOAT mSpeed);
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void setModulationDepth(MY_FLOAT mDepth);
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void setControl1(MY_FLOAT cVal);
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void setControl2(MY_FLOAT cVal);
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virtual void controlChange(int number, MY_FLOAT value);
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};
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#endif
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