Version 4.0

include/Modal.h

@@ -0,0 +1,86 @@
+/***************************************************/
+/*! \class Modal
+    \brief STK resonance model instrument.
+
+    This class contains an excitation wavetable,
+    an envelope, an oscillator, and N resonances
+    (non-sweeping BiQuad filters), where N is set
+    during instantiation.
+
+    by Perry R. Cook and Gary P. Scavone, 1995 - 2002.
+*/
+/***************************************************/
+
+#if !defined(__MODAL_H)
+#define __MODAL_H
+
+#include "Instrmnt.h"
+#include "Envelope.h"
+#include "WaveLoop.h"
+#include "BiQuad.h"
+#include "OnePole.h"
+
+class Modal : public Instrmnt
+{
+public:
+  //! Class constructor, taking the desired number of modes to create.
+  Modal( int modes = 4 );
+
+  //! Class destructor.
+  virtual ~Modal();
+
+  //! Reset and clear all internal state.
+  void clear();
+
+  //! Set instrument parameters for a particular frequency.
+  virtual void setFrequency(MY_FLOAT frequency);
+
+  //! Set the ratio and radius for a specified mode filter.
+  void setRatioAndRadius(int modeIndex, MY_FLOAT ratio, MY_FLOAT radius);
+
+  //! Set the master gain.
+  void setMasterGain(MY_FLOAT aGain);
+
+  //! Set the direct gain.
+  void setDirectGain(MY_FLOAT aGain);
+
+  //! Set the gain for a specified mode filter.
+  void setModeGain(int modeIndex, MY_FLOAT gain);
+
+  //! Initiate a strike with the given amplitude (0.0 - 1.0).
+  virtual void strike(MY_FLOAT amplitude);
+
+  //! Damp modes with a given decay factor (0.0 - 1.0).
+  void damp(MY_FLOAT amplitude);
+
+  //! Start a note with the given frequency and amplitude.
+  void noteOn(MY_FLOAT frequency, MY_FLOAT amplitude);
+
+  //! Stop a note with the given amplitude (speed of decay).
+  void noteOff(MY_FLOAT amplitude);
+
+  //! Compute one output sample.
+  virtual MY_FLOAT tick();
+
+  //! Perform the control change specified by \e number and \e value (0.0 - 128.0).
+  virtual void controlChange(int number, MY_FLOAT value) = 0;
+
+protected:  
+  Envelope *envelope; 
+  WvIn     *wave;
+  BiQuad   **filters;
+  OnePole  *onepole;
+  WaveLoop *vibrato;
+  int nModes;
+  MY_FLOAT vibratoGain;
+  MY_FLOAT masterGain;
+  MY_FLOAT directGain;
+  MY_FLOAT stickHardness;
+  MY_FLOAT strikePosition;
+  MY_FLOAT baseFrequency;
+  MY_FLOAT *ratios;
+  MY_FLOAT *radii;
+
+};
+
+#endif