From faada59567f8cb252f4a909116595ce309ff5828 Mon Sep 17 00:00:00 2001 From: "N.N." Date: Fri, 23 May 2003 12:29:55 +0000 Subject: This commit was generated by cvs2svn to compensate for changes in r647, which included commits to RCS files with non-trunk default branches. svn path=/trunk/externals/miXed/; revision=648 --- cyclone/hammer/sustain.c | 85 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 cyclone/hammer/sustain.c (limited to 'cyclone/hammer/sustain.c') diff --git a/cyclone/hammer/sustain.c b/cyclone/hammer/sustain.c new file mode 100644 index 0000000..975e6aa --- /dev/null +++ b/cyclone/hammer/sustain.c @@ -0,0 +1,85 @@ +/* Copyright (c) 2002-2003 krzYszcz and others. + * For information on usage and redistribution, and for a DISCLAIMER OF ALL + * WARRANTIES, see the file, "LICENSE.txt," in this distribution. */ + +#include +#include "m_pd.h" + +#define SUSTAIN_NPITCHES 128 + +typedef struct _sustain +{ + t_object x_ob; + t_float x_velocity; + int x_switch; + unsigned char x_pitches[SUSTAIN_NPITCHES]; + t_outlet *x_voutlet; +} t_sustain; + +static t_class *sustain_class; + +static void sustain_float(t_sustain *x, t_float f) +{ + int pitch = (int)f; + if (pitch >= 0 && pitch < SUSTAIN_NPITCHES) + { + if (x->x_velocity || !x->x_switch) + { + outlet_float(x->x_voutlet, x->x_velocity); + outlet_float(((t_object *)x)->ob_outlet, pitch); + } + else x->x_pitches[pitch]++; + } +} + +static void sustain_bang(t_sustain *x) +{ + int i; + unsigned char *pp; + for (i = 0, pp = x->x_pitches; i < SUSTAIN_NPITCHES; i++, pp++) + { + while (*pp) + { + outlet_float(x->x_voutlet, 0); + outlet_float(((t_object *)x)->ob_outlet, i); + (*pp)--; + } + } +} + +static void sustain_clear(t_sustain *x) +{ + memset(x->x_pitches, 0, sizeof(x->x_pitches)); +} + +static void sustain_ft2(t_sustain *x, t_floatarg f) +{ + int newstate = ((int)f != 0); + if (x->x_switch && !newstate) sustain_bang(x); + x->x_switch = newstate; +} + +static void *sustain_new(void) +{ + t_sustain *x = (t_sustain *)pd_new(sustain_class); + x->x_velocity = 0; + x->x_switch = 0; + sustain_clear(x); + floatinlet_new((t_object *)x, &x->x_velocity); + inlet_new((t_object *)x, (t_pd *)x, &s_float, gensym("ft2")); + outlet_new((t_object *)x, &s_float); + x->x_voutlet = outlet_new((t_object *)x, &s_float); + return (x); +} + +void sustain_setup(void) +{ + sustain_class = class_new(gensym("sustain"), + (t_newmethod)sustain_new, + 0, /* CHECKED: no flushout */ + sizeof(t_sustain), 0, 0); + class_addfloat(sustain_class, sustain_float); + class_addbang(sustain_class, sustain_bang); + class_addmethod(sustain_class, (t_method)sustain_ft2, + gensym("ft2"), A_FLOAT, 0); +} -- cgit v1.2.1