10 new sickle classes

svn path=/trunk/externals/miXed/; revision=846

1 files changed, 155 insertions, 0 deletions

diff --git a/cyclone/sickle/poke.c b/cyclone/sickle/poke.c
new file mode 100644
index 0000000..d0fb22a
--- /dev/null
+++ b/cyclone/sickle/poke.c
@@ -0,0 +1,155 @@
+/* Copyright (c) 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.  */
+
+/* LATER: 'click' method */
+
+#include "m_pd.h"
+#include "unstable/fragile.h"
+#include "sickle/sic.h"
+#include "sickle/arsic.h"
+
+#define POKE_MAXCHANNELS  4  /* LATER implement arsic resizing feature */
+
+typedef struct _poke
+{
+    t_arsic    x_arsic;
+    int        x_maxchannels;
+    int        x_effchannel;  /* effective channel (clipped reqchannel) */
+    int        x_reqchannel;  /* requested channel */
+    t_sample  *x_indexptr;
+    t_clock   *x_clock;
+    double     x_clocklasttick;
+    int        x_clockset;
+} t_poke;
+
+static t_class *poke_class;
+
+static void poke_tick(t_poke *x)
+{
+    arsic_redraw((t_arsic *)x);  /* LATER redraw only dirty channel(s!) */
+    x->x_clockset = 0;
+    x->x_clocklasttick = clock_getsystime();
+}
+
+static void poke_set(t_poke *x, t_symbol *s)
+{
+    arsic_setarray((t_arsic *)x, s, 1);
+}
+
+static void poke_bang(t_poke *x)
+{
+    arsic_redraw((t_arsic *)x);
+}
+
+/* CHECKED: index 0-based, negative values block input, overflowed are clipped.
+   LATER revisit: incompatibly, the code below is nop for any out-of-range index
+   (see also peek.c) */
+/* CHECKED: value never clipped, 'clip' not understood */
+/* CHECKED: no float-to-signal conversion.  'Float' message is ignored
+   when dsp is on -- whether a signal is connected to the left inlet, or not
+   (if not, current index is set to zero).  Incompatible (revisit LATER) */
+static void poke_float(t_poke *x, t_float f)
+{
+    t_arsic *sic = (t_arsic *)x;
+    t_float *vp;
+    arsic_validate(sic, 0);  /* LATER rethink (efficiency, and complaining) */
+    if (vp = sic->s_vectors[x->x_effchannel])
+    {
+	int ndx = (int)*x->x_indexptr;
+	if (ndx >= 0 && ndx < sic->s_vecsize)
+	{
+	    double timesince;
+	    vp[ndx] = f;
+	    timesince = clock_gettimesince(x->x_clocklasttick);
+	    if (timesince > 1000) poke_tick(x);
+	    else if (!x->x_clockset)
+	    {
+		clock_delay(x->x_clock, 1000 - timesince);
+		x->x_clockset = 1;
+	    }
+	}
+    }
+}
+
+static void poke_ft2(t_poke *x, t_floatarg f)
+{
+    if ((x->x_reqchannel = (f > 1 ? (int)f - 1 : 0)) > x->x_maxchannels)
+	x->x_effchannel = x->x_maxchannels - 1;
+    else
+	x->x_effchannel = x->x_reqchannel;
+}
+
+static t_int *poke_perform(t_int *w)
+{
+    t_arsic *sic = (t_arsic *)(w[1]);
+    int nblock = (int)(w[2]);
+    t_float *in1 = (t_float *)(w[3]);
+    t_float *in2 = (t_float *)(w[4]);
+    t_poke *x = (t_poke *)sic;
+    t_float *vp = sic->s_vectors[x->x_effchannel];
+    if (vp && sic->s_playable)
+    {
+	int vecsize = sic->s_vecsize;
+	while (nblock--)
+	{
+	    t_float f = *in1++;
+	    int ndx = (int)*in2++;
+	    if (ndx >= 0 && ndx < vecsize)
+		vp[ndx] = f;
+	}
+    }
+    return (w + sic->s_nperfargs + 1);
+}
+
+static void poke_dsp(t_poke *x, t_signal **sp)
+{
+    arsic_dsp((t_arsic *)x, sp, poke_perform, 0);
+}
+
+static void poke_free(t_poke *x)
+{
+    if (x->x_clock) clock_free(x->x_clock);
+    arsic_free((t_arsic *)x);
+}
+
+static void *poke_new(t_symbol *s, t_floatarg f)
+{
+    int ch = (f > 0 ? (int)f : 0);
+    t_poke *x = (t_poke *)arsic_new(poke_class, s,
+				    (ch ? POKE_MAXCHANNELS : 0), 2, 0);
+    if (x)
+    {
+	t_inlet *in2;
+	if (ch > POKE_MAXCHANNELS)
+	    ch = POKE_MAXCHANNELS;
+	x->x_maxchannels = (ch ? POKE_MAXCHANNELS : 1);
+	x->x_effchannel = x->x_reqchannel = (ch ? ch - 1 : 0);
+	/* CHECKED: no float-to-signal conversion.
+	   Floats in 2nd inlet are ignored when dsp is on, but only if a signal
+	   is connected to this inlet.  Incompatible (revisit LATER). */
+	in2 = inlet_new((t_object *)x, (t_pd *)x, &s_signal, &s_signal);
+	x->x_indexptr = fragile_inlet_signalscalar(in2);
+	inlet_new((t_object *)x, (t_pd *)x, &s_float, gensym("ft2"));
+	x->x_clock = clock_new(x, (t_method)poke_tick);
+	x->x_clocklasttick = clock_getsystime();
+	x->x_clockset = 0;
+    }
+    return (x);
+}
+
+void poke_tilde_setup(void)
+{
+    poke_class = class_new(gensym("poke~"),
+			   (t_newmethod)poke_new,
+			   (t_method)poke_free,
+			   sizeof(t_poke), 0,
+			   A_DEFSYM, A_DEFFLOAT, 0);
+    arsic_setup(poke_class, poke_dsp, poke_float);
+    class_addbang(poke_class, poke_bang);  /* LATER rethink */
+    class_addfloat(poke_class, poke_float);
+    class_addmethod(poke_class, (t_method)poke_set,
+		    gensym("set"), A_SYMBOL, 0);
+    class_addmethod(poke_class, (t_method)poke_ft2,
+		    gensym("ft2"), A_FLOAT, 0);
+}