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https://github.com/thestk/stk
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Version 0.99
This commit is contained in:
Gary Scavone
Stephen Sinclair
307
VoicMang.cpp
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307
VoicMang.cpp
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/******************************************/
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/* Simple Voice Manager (Mangler) */
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/* for ToolKit96, 1996 Perry R. Cook */
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/* Princeton University */
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/* */
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/* Make one of these by telling it the */
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/* maximum number of voices you'll want, */
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/* and also what flavor instrument */
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/* group it will be mangling. Pipe TSIDI*/
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/* messages into it and it will return */
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/* the mixed channel signal each tick. */
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/* For multi-channel (multi-timbral), */
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/* make one for each channel and mix */
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/* their outputs. */
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/* */
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/* Each note on returns a unique tag, */
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/* (credits to the NeXT MusicKit here), */
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/* so you can send control changes to */
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/* unique instances of instruments */
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/* within an ensemble. */
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/* */
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/* TSIDI (ToolKit Synthesis Instrument */
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/* Digital Interfaceis like MIDI, but */
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/* allows for floating point control */
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/* changes, note numbers, etc. Example: */
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/* noteOn(1,60.01,111.132) plays a sharp */
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/* middle C with a velocity of 111.132 */
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/* */
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/******************************************/
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#include "VoicMang.h"
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#include "Marimba.h"
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#include "Vibraphn.h"
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#include "AgogoBel.h"
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#include "Plucked.h"
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#include "Mandolin.h"
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#include "Clarinet.h"
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#include "Flute.h"
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#include "Brass.h"
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#include "Bowed.h"
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#include "Rhodey.h"
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#include "Wurley.h"
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#include "TubeBell.h"
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#include "HeavyMtl.h"
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#include "PercFlut.h"
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#include "BeeThree.h"
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#include "Moog1.h"
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VoicMang :: VoicMang(int maxVoices, char *instrType)
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{
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int i;
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max_voices = maxVoices;
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if (max_voices > __VMang_MAX_) {
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printf("You ask for too many voices, setting to %i\n",__VMang_MAX_);
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max_voices = __VMang_MAX_;
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}
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if (!strcmp(instrType,"Marimba")) {
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for (i=0;i<max_voices;i++)
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instrument[i] = new Marimba;
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mute_time = 1000;
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}
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else if (!strcmp(instrType,"Vibraphn")) {
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for (i=0;i<max_voices;i++)
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instrument[i] = new Vibraphn;
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mute_time = 1000;
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}
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else if (!strcmp(instrType,"AgogoBel")) {
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for (i=0;i<max_voices;i++)
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instrument[i] = new AgogoBel;
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mute_time = 1000;
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}
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else if (!strcmp(instrType,"Plucked")) {
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for (i=0;i<max_voices;i++)
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instrument[i] = new Plucked(50.0);
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mute_time = 1000;
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}
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else if (!strcmp(instrType,"Mandolin")) {
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for (i=0;i<max_voices;i++)
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instrument[i] = new Mandolin(50.0);
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mute_time = 1000;
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}
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else if (!strcmp(instrType,"Clarinet")) {
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for (i=0;i<max_voices;i++)
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instrument[i] = new Clarinet(50.0);
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mute_time = 1000;
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}
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else if (!strcmp(instrType,"Flute")) {
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for (i=0;i<max_voices;i++)
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instrument[i] = new Flute(50.0);
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mute_time = 1000;
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}
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else if (!strcmp(instrType,"Brass")) {
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for (i=0;i<max_voices;i++)
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instrument[i] = new Brass(50.0);
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mute_time = 1000;
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}
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else if (!strcmp(instrType,"Bowed")) {
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for (i=0;i<max_voices;i++)
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instrument[i] = new Bowed(50.0);
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mute_time = 1000;
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}
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else if (!strcmp(instrType,"Rhodey")) {
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for (i=0;i<max_voices;i++)
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instrument[i] = new Rhodey;
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mute_time = 1000;
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}
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else if (!strcmp(instrType,"Wurley")) {
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for (i=0;i<max_voices;i++)
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instrument[i] = new Wurley;
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mute_time = 1000;
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}
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else if (!strcmp(instrType,"TubeBell")) {
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for (i=0;i<max_voices;i++)
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instrument[i] = new TubeBell;
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mute_time = 1000;
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}
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else if (!strcmp(instrType,"HeavyMtl")) {
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for (i=0;i<max_voices;i++)
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instrument[i] = new HeavyMtl;
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mute_time = 1000;
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}
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else if (!strcmp(instrType,"PercFlut")) {
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for (i=0;i<max_voices;i++)
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instrument[i] = new PercFlut;
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mute_time = 1000;
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}
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else if (!strcmp(instrType,"BeeThree")) {
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for (i=0;i<max_voices;i++)
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instrument[i] = new BeeThree;
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mute_time = 1000;
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}
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else if (!strcmp(instrType,"Moog1")) {
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for (i=0;i<max_voices;i++)
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instrument[i] = new Moog1;
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mute_time = 1000;
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}
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pitch_bend = 1.0;
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newTag = 1;
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for (i=0;i<max_voices;i++) {
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notesOn[i] = -1;
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voicesOn[i] = 0;
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freqBases[i] = 1.0;
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frequencies[i] = 0.0;
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}
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}
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VoicMang :: ~VoicMang()
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{
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int i;
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for (i=0;i<max_voices;i++)
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delete instrument[i];
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}
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long VoicMang :: noteOnF(MY_FLOAT freq, MY_FLOAT amp)
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{
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MY_FLOAT temp;
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temp = freq / 220.0;
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temp = log(temp) / log(2.0);
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temp = (temp * 12.0) + 57;
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return this->noteOn(temp,amp);
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}
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#define ONE_OVER_12 0.083333
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long VoicMang :: noteOn(MY_FLOAT note_num, MY_FLOAT amp)
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{
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int i,gotOne;
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int temp1;
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long temp2;
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MY_FLOAT temp3,temp4;
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MY_FLOAT freq;
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freq = 220.0*pow(2.0,(note_num-57.0) * ONE_OVER_12);
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gotOne = 0;
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for (i=0;i<max_voices;i++) {
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if (notesOn[i] < 0) { /* find a dormant instrument */
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voicesOn[i] = newTag;
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newTag += 1;
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notesOn[i] = (int) (note_num + 0.5); /* Nearest Neighbor MIDI Note# */
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instrument[i]->noteOn(freq,amp*NORM_7);
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frequencies[i] = freq;
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gotOne = 1;
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i = max_voices;
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}
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}
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if (!gotOne) { /* if can't find a free one */
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return -1; /* report back */
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}
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return newTag-1;
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}
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long VoicMang :: oldestVoice()
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{
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int i;
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long temp,temp2,gotOne;
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temp = newTag;
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gotOne = -1;
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for (i=0;i<max_voices;i++) {
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temp2 = voicesOn[i];
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if (temp2 > 0 && temp2 < newTag) {
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temp = temp2;
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gotOne = temp2;
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}
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}
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return gotOne;
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}
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int VoicMang :: noteOffN(int note_num, MY_FLOAT amp)
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{
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int i,gotOne;
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MY_FLOAT temp;
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gotOne = -1;
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for (i=0;i<max_voices;i++) {
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if (notesOn[i]==note_num) {
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instrument[i]->noteOff(amp*NORM_7);
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voicesOn[i] = -mute_time;
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gotOne = 1;
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}
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}
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return gotOne;
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}
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void VoicMang :: noteOff(long tag, MY_FLOAT amp)
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{
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int i;
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for (i=0;i<max_voices;i++) {
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if (voicesOn[i]==tag) {
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instrument[i]->noteOff(amp*NORM_7);
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voicesOn[i] = -mute_time;
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}
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}
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}
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void VoicMang :: kill(long tag)
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{
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int i;
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for (i=0;i<max_voices;i++) {
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if (voicesOn[i]==tag) {
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instrument[i]->noteOff(1.0);
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voicesOn[i] = 0;
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notesOn[i] = -1;
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}
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}
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}
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void VoicMang :: pitchBend(MY_FLOAT value)
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{
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int i;
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pitch_bend = value;
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for (i=0;i<max_voices;i++) {
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freqBases[i] = pitch_bend;
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instrument[i]->setFreq(freqBases[i]*frequencies[i]);
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}
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}
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void VoicMang :: pitchBend(long tag, MY_FLOAT value)
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{
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int i;
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for (i=0;i<max_voices;i++) {
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if (voicesOn[i] == tag) {
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freqBases[i] = value;
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instrument[i]->setFreq(freqBases[i]*frequencies[i]);
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i = max_voices;
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}
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}
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}
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MY_FLOAT VoicMang :: tick()
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{
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int i,j;
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MY_FLOAT temp;
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temp = 0.0;
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for (i=0;i<max_voices;i++) {
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if (voicesOn[i] != 0) {
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temp += instrument[i]->tick();
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}
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if (voicesOn[i] < 0) {
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voicesOn[i] += 1;
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if (voicesOn[i] == 0) {
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notesOn[i] = -1;
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frequencies[i] = 0.0;
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freqBases[i] = 1.0;
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}
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}
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}
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return temp;
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}
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void VoicMang :: controlChange(int number, MY_FLOAT value)
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{
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int i;
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for (i=0;i<max_voices;i++) {
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instrument[i]->controlChange(number,value);
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}
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}
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void VoicMang :: controlChange(long tag, int number, MY_FLOAT value)
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{
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int i;
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for (i=0;i<max_voices;i++) {
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if (voicesOn[i] == tag) {
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instrument[i]->controlChange(number,value);
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i = max_voices;
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}
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}
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}
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