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BandedWG.h
1 #ifndef STK_BANDEDWG_H
2 #define STK_BANDEDWG_H
3
4 #include "Instrmnt.h"
5 #include "DelayL.h"
6 #include "BowTable.h"
7 #include "ADSR.h"
8 #include "BiQuad.h"
9
10 namespace stk {
11
12 /***************************************************/
41 /***************************************************/
42
43 const int MAX_BANDED_MODES = 20;
44
45 class BandedWG : public Instrmnt
46 {
47 public:
49 BandedWG( void );
50
52 ~BandedWG( void );
53
55 void clear( void );
56
58 void setStrikePosition( StkFloat position );
59
61 void setPreset( int preset );
62
64 void setFrequency( StkFloat frequency );
65
67 void startBowing( StkFloat amplitude, StkFloat rate );
68
70 void stopBowing( StkFloat rate );
71
73 void pluck( StkFloat amp );
74
76 void noteOn( StkFloat frequency, StkFloat amplitude );
77
79 void noteOff( StkFloat amplitude );
80
82 void controlChange( int number, StkFloat value );
83
85 StkFloat tick( unsigned int channel = 0 );
86
88
95 StkFrames& tick( StkFrames& frames, unsigned int channel = 0 );
96
97 protected:
98
99 bool doPluck_;
100 bool trackVelocity_;
101 int nModes_;
102 int presetModes_;
103 BowTable bowTable_;
104 ADSR adsr_;
105 BiQuad bandpass_[MAX_BANDED_MODES];
106 DelayL delay_[MAX_BANDED_MODES];
107 StkFloat maxVelocity_;
108 StkFloat modes_[MAX_BANDED_MODES];
109 StkFloat frequency_;
110 StkFloat baseGain_;
111 StkFloat gains_[MAX_BANDED_MODES];
112 StkFloat basegains_[MAX_BANDED_MODES];
113 StkFloat excitation_[MAX_BANDED_MODES];
114 StkFloat integrationConstant_;
115 StkFloat velocityInput_;
116 StkFloat bowVelocity_;
117 StkFloat bowTarget_;
118 StkFloat bowPosition_;
119 StkFloat strikeAmp_;
120 int strikePosition_;
121
122 };
123
124 inline StkFrames& BandedWG :: tick( StkFrames& frames, unsigned int channel )
125 {
126 unsigned int nChannels = lastFrame_.channels();
127 #if defined(_STK_DEBUG_)
128 if ( channel > frames.channels() - nChannels ) {
129 oStream_ << "BandedWG::tick(): channel and StkFrames arguments are incompatible!";
130 handleError( StkError::FUNCTION_ARGUMENT );
131 }
132 #endif
133
134 StkFloat *samples = &frames[channel];
135 unsigned int j, hop = frames.channels() - nChannels;
136 if ( nChannels == 1 ) {
137 for ( unsigned int i=0; i<frames.frames(); i++, samples += hop )
138 *samples++ = tick();
139 }
140 else {
141 for ( unsigned int i=0; i<frames.frames(); i++, samples += hop ) {
142 *samples++ = tick();
143 for ( j=1; j<nChannels; j++ )
144 *samples++ = lastFrame_[j];
145 }
146 }
147
148 return frames;
149 }
150
151 } // stk namespace
152
153 #endif

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