diff options
Diffstat (limited to 'notemono/notemono.c')
| -rw-r--r-- | notemono/notemono.c | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/notemono/notemono.c b/notemono/notemono.c new file mode 100644 index 0000000..4473f55 --- /dev/null +++ b/notemono/notemono.c @@ -0,0 +1,133 @@ +/* Copyright (c) 2005 Federico Ferri. + * Release under the terms of GPL license. + * Based on PureData by Miller Puckette and others. */ + +#include <stdio.h> +#include <stdlib.h> +#include "m_pd.h" + +// change this if you have more than MAX_N fingers... +#define MAX_N 16 + +#define method(method_name) notemono ## _ ## method_name +#define t_self t_notemono +#define _self _notemono +#define self_class notemono_class +#define sz_classname "notemono" + +#define MODE_MIN 0 +#define MODE_MIN_S "low" +#define MODE_MAX 1 +#define MODE_MAX_S "high" + +typedef struct _self +{ + t_object x_obj; + t_outlet *x_out2; + int x_note_status[MAX_N]; //array + t_float x_note_pitch; + t_float x_note_vel; + t_float x_out_midi; + int x_out_gate; + int mode; // max or min ? +} t_self; + +static t_class *self_class; + +static void method(out)(t_self *x) { + int j; + t_float m = -1; + int g = 0; + for(j=0; j<MAX_N; j++) { + if(x->x_note_status[j] >= 0) { + switch(x->mode) { + case MODE_MIN: + if(x->x_note_status[j] < m || m == -1) { + m = x->x_note_status[j]; + g = 1; + } + break; + case MODE_MAX: + if(x->x_note_status[j] > m || m == -1) { + m = x->x_note_status[j]; + g = 1; + } + break; + } + } + } + if(m != x->x_out_midi || g != x->x_out_gate) { + x->x_out_midi = m; + x->x_out_gate = g; + outlet_float(x->x_out2, g); + outlet_float(x->x_obj.ob_outlet, m); + } +} + +static void method(float)(t_self *x, t_float f) { + int j; + x->x_note_pitch = f; + for(j=0; j<MAX_N; j++) { + if(x->x_note_status[j] == x->x_note_pitch) { + if(x->x_note_vel > 0) { + x->x_note_status[j] = x->x_note_pitch; + method(out)(x); + return; + } else { + x->x_note_status[j] = -1; + method(out)(x); + return; + } + } + } + if(x->x_note_vel > 0) { + for(j=0; j<MAX_N; j++) { + if(x->x_note_status[j] == -1 && x->x_note_vel > 0) { + x->x_note_status[j] = x->x_note_pitch; + method(out)(x); + return; + } + } + } +} + +static void * method(new)(t_symbol* s, int ac, t_atom* av) { + t_self *x; + int err = 0; + if(ac == 1) { + x = (t_self *)pd_new(self_class); + x->x_out_midi = -1; + x->x_out_gate = 0; + t_symbol *arg = atom_getsymbolarg(0, ac, av); + if(gensym(MODE_MIN_S) == arg) { + x->mode = MODE_MIN; + } else if (gensym(MODE_MAX_S) == arg) { + x->mode = MODE_MAX; + } else { + err = 1; + } + } else { + err = 1; + } + if(err) { + error(sz_classname ": wrong arguments." + " possible values: " MODE_MIN_S " " MODE_MAX_S); + return NULL; + } + int j; + for(j=0; j<MAX_N; j++) x->x_note_status[j] = -1; + outlet_new((t_object *)x, &s_float); + floatinlet_new(&x->x_obj, &x->x_note_vel); + x->x_out2 = outlet_new(&x->x_obj, gensym("float")); + return (x); +} + +void method(setup)(void) { + self_class = class_new(gensym(sz_classname), + (t_newmethod)method(new), 0, + sizeof(t_self), 0, + A_GIMME, 0); + class_addfloat(self_class, method(float)); + class_sethelpsymbol(self_class, gensym(sz_classname)); +} + |