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Version 4.4.0

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This commit is contained in:
Gary Scavone
2013-09-29 23:11:39 +02:00
committed by Stephen Sinclair
parent d199342e86
commit eccd8c9981
287 changed files with 11712 additions and 7676 deletions
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57
include/Drummer.h
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@@ -1,3 +1,12 @@
#ifndef STK_DRUMMER_H
#define STK_DRUMMER_H
#include "Instrmnt.h"
#include "FileWvIn.h"
#include "OnePole.h"
namespace stk {
/***************************************************/
/*! \class Drummer
\brief STK drum sample player class.
@@ -11,17 +20,10 @@
of simultaneous voices) via a #define in the
Drummer.h.
by Perry R. Cook and Gary P. Scavone, 1995 - 2007.
by Perry R. Cook and Gary P. Scavone, 1995 - 2009.
*/
/***************************************************/
#ifndef STK_DRUMMER_H
#define STK_DRUMMER_H
#include "Instrmnt.h"
#include "FileWvIn.h"
#include "OnePole.h"
const int DRUM_NUMWAVES = 11;
const int DRUM_POLYPHONY = 4;
@@ -32,10 +34,10 @@ class Drummer : public Instrmnt
/*!
An StkError will be thrown if the rawwave path is incorrectly set.
*/
Drummer();
Drummer( void );
//! Class destructor.
~Drummer();
~Drummer( void );
//! Start a note with the given drum type and amplitude.
/*!
@@ -44,15 +46,16 @@ class Drummer : public Instrmnt
instrument. An StkError will be thrown if the rawwave path is
incorrectly set.
*/
void noteOn(StkFloat instrument, StkFloat amplitude);
void noteOn( StkFloat instrument, StkFloat amplitude );
//! Stop a note with the given amplitude (speed of decay).
void noteOff(StkFloat amplitude);
void noteOff( StkFloat amplitude );
//! Compute and return one output sample.
StkFloat tick( unsigned int channel = 0 );
protected:
StkFloat computeSample( void );
FileWvIn waves_[DRUM_POLYPHONY];
OnePole filters_[DRUM_POLYPHONY];
std::vector<int> soundOrder_;
@@ -60,4 +63,30 @@ class Drummer : public Instrmnt
int nSounding_;
};
inline StkFloat Drummer :: tick( unsigned int )
{
lastFrame_[0] = 0.0;
if ( nSounding_ == 0 ) return lastFrame_[0];
for ( int i=0; i<DRUM_POLYPHONY; i++ ) {
if ( soundOrder_[i] >= 0 ) {
if ( waves_[i].isFinished() ) {
// Re-order the list.
for ( int j=0; j<DRUM_POLYPHONY; j++ ) {
if ( soundOrder_[j] > soundOrder_[i] )
soundOrder_[j] -= 1;
}
soundOrder_[i] = -1;
nSounding_--;
}
else
lastFrame_[0] += filters_[i].tick( waves_[i].tick() );
}
}
return lastFrame_[0];
}
} // stk namespace
#endif