1 files changed, 1040 insertions, 0 deletions

diff --git a/apps/plugins/pdbox/PDa/src/x_time.c b/apps/plugins/pdbox/PDa/src/x_time.c
new file mode 100644
index 0000000000..580a30b36d
--- /dev/null
+++ b/apps/plugins/pdbox/PDa/src/x_time.c
@@ -0,0 +1,1040 @@
+/* Copyright (c) 1997-1999 Miller Puckette.
+* For information on usage and redistribution, and for a DISCLAIMER OF ALL
+* WARRANTIES, see the file, "LICENSE.txt," in this distribution.  */
+
+/* clock objects */
+
+#include "m_pd.h"
+#include <stdio.h>
+/* -------------------------- delay ------------------------------ */
+static t_class *delay_class;
+
+typedef struct _delay
+{
+    t_object x_obj;
+    t_clock *x_clock;
+    double x_deltime;
+} t_delay;
+
+static void delay_bang(t_delay *x)
+{
+    clock_delay(x->x_clock, x->x_deltime);
+}
+
+static void delay_stop(t_delay *x)
+{
+    clock_unset(x->x_clock);
+}
+
+static void delay_ft1(t_delay *x, t_floatarg g)
+{
+    if (g < 0) g = 0;
+    x->x_deltime = g;
+}
+
+static void delay_float(t_delay *x, t_float f)
+{
+    delay_ft1(x, f);
+    delay_bang(x);
+}
+
+static void delay_tick(t_delay *x)
+{
+    outlet_bang(x->x_obj.ob_outlet);
+}
+
+static void delay_free(t_delay *x)
+{
+    clock_free(x->x_clock);
+}
+
+static void *delay_new(t_floatarg f)
+{
+    t_delay *x = (t_delay *)pd_new(delay_class);
+    delay_ft1(x, f);
+    x->x_clock = clock_new(x, (t_method)delay_tick);
+    outlet_new(&x->x_obj, gensym("bang"));
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("ft1"));
+    return (x);
+}
+
+static void delay_setup(void)
+{
+    delay_class = class_new(gensym("delay"), (t_newmethod)delay_new,
+        (t_method)delay_free, sizeof(t_delay), 0, A_DEFFLOAT, 0);
+    class_addcreator((t_newmethod)delay_new, gensym("del"), A_DEFFLOAT, 0);
+    class_addbang(delay_class, delay_bang);
+    class_addmethod(delay_class, (t_method)delay_stop, gensym("stop"), 0);
+    class_addmethod(delay_class, (t_method)delay_ft1,
+        gensym("ft1"), A_FLOAT, 0);
+    class_addfloat(delay_class, (t_method)delay_float);
+}
+
+/* -------------------------- metro ------------------------------ */
+static t_class *metro_class;
+
+typedef struct _metro
+{
+    t_object x_obj;
+    t_clock *x_clock;
+    double x_deltime;
+    int x_hit;
+} t_metro;
+
+static void metro_tick(t_metro *x)
+{
+    x->x_hit = 0;
+    outlet_bang(x->x_obj.ob_outlet);
+    if (!x->x_hit) clock_delay(x->x_clock, x->x_deltime);
+}
+
+static void metro_float(t_metro *x, t_float f)
+{
+    if (f != 0) metro_tick(x);
+    else clock_unset(x->x_clock);
+    x->x_hit = 1;
+}
+
+static void metro_bang(t_metro *x)
+{
+    metro_float(x, 1);
+}
+
+static void metro_stop(t_metro *x)
+{
+    metro_float(x, 0);
+}
+
+static void metro_ft1(t_metro *x, t_floatarg g)
+{
+    if (g < 1) g = 1;
+    x->x_deltime = g;
+}
+
+static void metro_free(t_metro *x)
+{
+    clock_free(x->x_clock);
+}
+
+static void *metro_new(t_floatarg f)
+{
+    t_metro *x = (t_metro *)pd_new(metro_class);
+    metro_ft1(x, f);
+    x->x_hit = 0;
+    x->x_clock = clock_new(x, (t_method)metro_tick);
+    outlet_new(&x->x_obj, gensym("bang"));
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("ft1"));
+    return (x);
+}
+
+static void metro_setup(void)
+{
+    metro_class = class_new(gensym("metro"), (t_newmethod)metro_new,
+        (t_method)metro_free, sizeof(t_metro), 0, A_DEFFLOAT, 0);
+    class_addbang(metro_class, metro_bang);
+    class_addmethod(metro_class, (t_method)metro_stop, gensym("stop"), 0);
+    class_addmethod(metro_class, (t_method)metro_ft1, gensym("ft1"),
+        A_FLOAT, 0);
+    class_addfloat(metro_class, (t_method)metro_float);
+}
+
+/* -------------------------- line ------------------------------ */
+static t_class *line_class;
+
+typedef struct _line
+{
+    t_object x_obj;
+    t_clock *x_clock;
+    double x_targettime;
+    t_float x_targetval;
+    double x_prevtime;
+    t_float x_setval;
+    int x_gotinlet;
+    t_float x_grain;
+    double x_1overtimediff;
+    double x_in1val;
+} t_line;
+
+static void line_tick(t_line *x)
+{
+    double timenow = clock_getsystime();
+    double msectogo = - clock_gettimesince(x->x_targettime);
+    if (msectogo < 1E-9)
+    {
+        outlet_float(x->x_obj.ob_outlet, x->x_targetval);
+    }
+    else
+    {
+        outlet_float(x->x_obj.ob_outlet,
+            x->x_setval + x->x_1overtimediff * (timenow - x->x_prevtime)
+                * (x->x_targetval - x->x_setval));
+        clock_delay(x->x_clock,
+            (x->x_grain > msectogo ? msectogo : x->x_grain));
+    }
+}
+
+static void line_float(t_line *x, t_float f)
+{
+    double timenow = clock_getsystime();
+    if (x->x_gotinlet && x->x_in1val > 0)
+    {
+        if (timenow > x->x_targettime) x->x_setval = x->x_targetval;
+        else x->x_setval = x->x_setval + x->x_1overtimediff *
+            (timenow - x->x_prevtime)
+            * (x->x_targetval - x->x_setval);
+        x->x_prevtime = timenow;
+        x->x_targettime = clock_getsystimeafter(x->x_in1val);
+        x->x_targetval = f;
+        line_tick(x);
+        x->x_gotinlet = 0;
+        x->x_1overtimediff = 1./ (x->x_targettime - timenow);
+        clock_delay(x->x_clock,
+            (x->x_grain > x->x_in1val ? x->x_in1val : x->x_grain));
+    
+    }
+    else
+    {
+        clock_unset(x->x_clock);
+        x->x_targetval = x->x_setval = f;
+        outlet_float(x->x_obj.ob_outlet, f);
+    }
+    x->x_gotinlet = 0;
+}
+
+static void line_ft1(t_line *x, t_floatarg g)
+{
+    x->x_in1val = g;
+    x->x_gotinlet = 1;
+}
+
+static void line_stop(t_line *x)
+{
+    x->x_targetval = x->x_setval;
+    clock_unset(x->x_clock);
+}
+
+static void line_free(t_line *x)
+{
+    clock_free(x->x_clock);
+}
+
+static void *line_new(t_floatarg f, t_floatarg grain)
+{
+    t_line *x = (t_line *)pd_new(line_class);
+    x->x_targetval = x->x_setval = f;
+    x->x_gotinlet = 0;
+    x->x_1overtimediff = 1;
+    x->x_clock = clock_new(x, (t_method)line_tick);
+    x->x_targettime = x->x_prevtime = clock_getsystime();
+    if (grain <= 0) grain = 20;
+    x->x_grain = grain;
+    outlet_new(&x->x_obj, gensym("float"));
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("ft1"));
+    return (x);
+}
+
+static void line_setup(void)
+{
+    line_class = class_new(gensym("line"), (t_newmethod)line_new,
+        (t_method)line_free, sizeof(t_line), 0, A_DEFFLOAT, A_DEFFLOAT, 0);
+    class_addmethod(line_class, (t_method)line_ft1,
+        gensym("ft1"), A_FLOAT, 0);
+    class_addmethod(line_class, (t_method)line_stop,
+        gensym("stop"), 0);
+    class_addfloat(line_class, (t_method)line_float);
+}
+
+/* -------------------------- timer ------------------------------ */
+static t_class *timer_class;
+
+typedef struct _timer
+{
+    t_object x_obj;
+    t_time x_settime;
+} t_timer;
+
+static void timer_bang(t_timer *x)
+{
+    x->x_settime = clock_getsystime();
+}
+
+static void timer_bang2(t_timer *x)
+{
+    t_time diff = clock_gettimesince(x->x_settime);
+    outlet_float(x->x_obj.ob_outlet, diff);
+}
+
+static void *timer_new(t_floatarg f)
+{
+    t_timer *x = (t_timer *)pd_new(timer_class);
+    timer_bang(x);
+    outlet_new(&x->x_obj, gensym("float"));
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("bang"), gensym("bang2"));
+    return (x);
+}
+
+static void timer_setup(void)
+{
+    timer_class = class_new(gensym("timer"), (t_newmethod)timer_new, 0,
+        sizeof(t_timer), 0, A_DEFFLOAT, 0);
+    class_addbang(timer_class, timer_bang);
+    class_addmethod(timer_class, (t_method)timer_bang2, gensym("bang2"), 0);
+}
+
+
+/* -------------------------- pipe -------------------------- */
+
+static t_class *pipe_class;
+
+typedef struct _hang
+{
+    t_clock *h_clock;
+    struct _hang *h_next;
+    struct _pipe *h_owner;
+    t_gpointer *h_gp;
+    union word h_vec[1];        /* not the actual number. */
+} t_hang;
+
+typedef struct pipeout
+{
+    t_atom p_atom;
+    t_outlet *p_outlet;
+} t_pipeout;
+
+typedef struct _pipe
+{
+    t_object x_obj;
+    int x_n;
+    int x_nptr;
+    float x_deltime;
+    t_pipeout *x_vec;
+    t_gpointer *x_gp;
+    t_hang *x_hang;
+} t_pipe;
+
+static void *pipe_new(t_symbol *s, int argc, t_atom *argv)
+{
+    t_pipe *x = (t_pipe *)pd_new(pipe_class);
+    t_atom defarg, *ap;
+    t_pipeout *vec, *vp;
+    t_gpointer *gp;
+    int nptr = 0;
+    int i;
+    float deltime;
+    if (argc)
+    {
+        if (argv[argc-1].a_type != A_FLOAT)
+        {
+            char stupid[80];
+            atom_string(&argv[argc-1], stupid, 79);
+            post("pipe: %s: bad time delay value", stupid);
+            deltime = 0;
+        }
+        else deltime = argv[argc-1].a_w.w_float;
+        argc--;
+    }
+    else deltime = 0;
+    if (!argc)
+    {
+        argv = &defarg;
+        argc = 1;
+        SETFLOAT(&defarg, 0);
+    }
+    x->x_n = argc;
+    vec = x->x_vec = (t_pipeout *)getbytes(argc * sizeof(*x->x_vec));
+
+    for (i = argc, ap = argv; i--; ap++)
+        if (ap->a_type == A_SYMBOL && *ap->a_w.w_symbol->s_name == 'p')
+            nptr++;
+
+    gp = x->x_gp = (t_gpointer *)t_getbytes(nptr * sizeof (*gp));
+    x->x_nptr = nptr;
+
+    for (i = 0, vp = vec, ap = argv; i < argc; i++, ap++, vp++)
+    {
+        if (ap->a_type == A_FLOAT)
+        {
+            vp->p_atom = *ap;
+            vp->p_outlet = outlet_new(&x->x_obj, &s_float);
+            if (i) floatinlet_new(&x->x_obj, &vp->p_atom.a_w.w_float);
+        }
+        else if (ap->a_type == A_SYMBOL)
+        {
+            char c = *ap->a_w.w_symbol->s_name;
+            if (c == 's')
+            {
+                SETSYMBOL(&vp->p_atom, &s_symbol);
+                vp->p_outlet = outlet_new(&x->x_obj, &s_symbol);
+                if (i) symbolinlet_new(&x->x_obj, &vp->p_atom.a_w.w_symbol);
+            }
+            else if (c == 'p')
+            {
+                vp->p_atom.a_type = A_POINTER;
+                vp->p_atom.a_w.w_gpointer = gp;
+                gpointer_init(gp);
+                vp->p_outlet = outlet_new(&x->x_obj, &s_pointer);
+                if (i) pointerinlet_new(&x->x_obj, gp);
+                gp++;
+            }
+            else
+            {
+                if (c != 'f') error("pack: %s: bad type",
+                    ap->a_w.w_symbol->s_name);
+                SETFLOAT(&vp->p_atom, 0);
+                vp->p_outlet = outlet_new(&x->x_obj, &s_float);
+                if (i) floatinlet_new(&x->x_obj, &vp->p_atom.a_w.w_float);
+            }
+        }
+    }
+    floatinlet_new(&x->x_obj, &x->x_deltime);
+    x->x_hang = 0;
+    x->x_deltime = deltime;
+    return (x);
+}
+
+static void hang_free(t_hang *h)
+{
+    t_pipe *x = h->h_owner;
+    t_gpointer *gp;
+    int i;
+    for (gp = h->h_gp, i = x->x_nptr; i--; gp++)
+        gpointer_unset(gp);
+    freebytes(h->h_gp, x->x_nptr * sizeof(*h->h_gp));
+    clock_free(h->h_clock);
+    freebytes(h, sizeof(*h) + (x->x_n - 1) * sizeof(*h->h_vec));
+}
+
+static void hang_tick(t_hang *h)
+{
+    t_pipe *x = h->h_owner;
+    t_hang *h2, *h3;
+    t_pipeout *p;
+    int i;
+    union word *w;
+    if (x->x_hang == h) x->x_hang = h->h_next;
+    else for (h2 = x->x_hang; h3 = h2->h_next; h2 = h3)
+    {
+        if (h3 == h)
+        {
+            h2->h_next = h3->h_next;
+            break;
+        }
+    }
+    for (i = x->x_n, p = x->x_vec + (x->x_n - 1), w = h->h_vec + (x->x_n - 1);
+        i--; p--, w--)
+    {
+        switch (p->p_atom.a_type)
+        {
+        case A_FLOAT: outlet_float(p->p_outlet, w->w_float); break;
+        case A_SYMBOL: outlet_symbol(p->p_outlet, w->w_symbol); break;
+        case A_POINTER:
+            if (gpointer_check(w->w_gpointer, 1))
+                outlet_pointer(p->p_outlet, w->w_gpointer);
+            else post("pipe: stale pointer");
+            break;
+        }
+    }
+    hang_free(h);
+}
+
+static void pipe_list(t_pipe *x, t_symbol *s, int ac, t_atom *av)
+{
+    t_hang *h = (t_hang *)
+        getbytes(sizeof(*h) + (x->x_n - 1) * sizeof(*h->h_vec));
+    t_gpointer *gp, *gp2;
+    t_pipeout *p;
+    int i, n = x->x_n;
+    t_atom *ap;
+    t_word *w;
+    h->h_gp = (t_gpointer *)getbytes(x->x_nptr * sizeof(t_gpointer));
+    if (ac > n) ac = n;
+    for (i = 0, gp = x->x_gp, p = x->x_vec, ap = av; i < ac;
+        i++, p++, ap++)
+    {
+        switch (p->p_atom.a_type)
+        {
+        case A_FLOAT: p->p_atom.a_w.w_float = atom_getfloat(ap); break;
+        case A_SYMBOL: p->p_atom.a_w.w_symbol = atom_getsymbol(ap); break;
+        case A_POINTER:
+            gpointer_unset(gp);
+            if (ap->a_type != A_POINTER)
+                post("pipe: bad pointer");
+            else
+            {
+                *gp = *(ap->a_w.w_gpointer);
+                if (gp->gp_stub) gp->gp_stub->gs_refcount++;
+            }
+            gp++;
+        }
+    }
+    for (i = 0, gp = x->x_gp, gp2 = h->h_gp, p = x->x_vec, w = h->h_vec;
+        i < n; i++, p++, w++)
+    {
+        if (p->p_atom.a_type == A_POINTER)
+        {
+            if (gp->gp_stub) gp->gp_stub->gs_refcount++;
+            w->w_gpointer = gp2;
+            *gp2++ = *gp++;
+        }
+        else *w = p->p_atom.a_w;
+    }
+    h->h_next = x->x_hang;
+    x->x_hang = h;
+    h->h_owner = x;
+    h->h_clock = clock_new(h, (t_method)hang_tick);
+    clock_delay(h->h_clock, (x->x_deltime >= 0 ? x->x_deltime : 0));
+}
+
+static void pipe_flush(t_pipe *x)
+{
+    while (x->x_hang) hang_tick(x->x_hang);
+}
+
+static void pipe_clear(t_pipe *x)
+{
+    t_hang *hang;
+    while (hang = x->x_hang)
+    {
+        x->x_hang = hang->h_next;
+        hang_free(hang);
+    }
+}
+
+static void pipe_setup(void)
+{
+    pipe_class = class_new(gensym("pipe"), 
+        (t_newmethod)pipe_new, (t_method)pipe_clear,
+        sizeof(t_pipe), 0, A_GIMME, 0);
+    class_addlist(pipe_class, pipe_list);
+    class_addmethod(pipe_class, (t_method)pipe_flush, gensym("flush"), 0);
+    class_addmethod(pipe_class, (t_method)pipe_clear, gensym("clear"), 0);
+}
+
+void x_time_setup(void)
+{
+    delay_setup();
+    metro_setup();
+    line_setup();
+    timer_setup();
+    pipe_setup();
+}
+/* Copyright (c) 1997-1999 Miller Puckette.
+* For information on usage and redistribution, and for a DISCLAIMER OF ALL
+* WARRANTIES, see the file, "LICENSE.txt," in this distribution.  */
+
+/* clock objects */
+
+#include "m_pd.h"
+#include <stdio.h>
+/* -------------------------- delay ------------------------------ */
+static t_class *delay_class;
+
+typedef struct _delay
+{
+    t_object x_obj;
+    t_clock *x_clock;
+    double x_deltime;
+} t_delay;
+
+static void delay_bang(t_delay *x)
+{
+    clock_delay(x->x_clock, x->x_deltime);
+}
+
+static void delay_stop(t_delay *x)
+{
+    clock_unset(x->x_clock);
+}
+
+static void delay_ft1(t_delay *x, t_floatarg g)
+{
+    if (g < 0) g = 0;
+    x->x_deltime = g;
+}
+
+static void delay_float(t_delay *x, t_float f)
+{
+    delay_ft1(x, f);
+    delay_bang(x);
+}
+
+static void delay_tick(t_delay *x)
+{
+    outlet_bang(x->x_obj.ob_outlet);
+}
+
+static void delay_free(t_delay *x)
+{
+    clock_free(x->x_clock);
+}
+
+static void *delay_new(t_floatarg f)
+{
+    t_delay *x = (t_delay *)pd_new(delay_class);
+    delay_ft1(x, f);
+    x->x_clock = clock_new(x, (t_method)delay_tick);
+    outlet_new(&x->x_obj, gensym("bang"));
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("ft1"));
+    return (x);
+}
+
+static void delay_setup(void)
+{
+    delay_class = class_new(gensym("delay"), (t_newmethod)delay_new,
+        (t_method)delay_free, sizeof(t_delay), 0, A_DEFFLOAT, 0);
+    class_addcreator((t_newmethod)delay_new, gensym("del"), A_DEFFLOAT, 0);
+    class_addbang(delay_class, delay_bang);
+    class_addmethod(delay_class, (t_method)delay_stop, gensym("stop"), 0);
+    class_addmethod(delay_class, (t_method)delay_ft1,
+        gensym("ft1"), A_FLOAT, 0);
+    class_addfloat(delay_class, (t_method)delay_float);
+}
+
+/* -------------------------- metro ------------------------------ */
+static t_class *metro_class;
+
+typedef struct _metro
+{
+    t_object x_obj;
+    t_clock *x_clock;
+    double x_deltime;
+    int x_hit;
+} t_metro;
+
+static void metro_tick(t_metro *x)
+{
+    x->x_hit = 0;
+    outlet_bang(x->x_obj.ob_outlet);
+    if (!x->x_hit) clock_delay(x->x_clock, x->x_deltime);
+}
+
+static void metro_float(t_metro *x, t_float f)
+{
+    if (f != 0) metro_tick(x);
+    else clock_unset(x->x_clock);
+    x->x_hit = 1;
+}
+
+static void metro_bang(t_metro *x)
+{
+    metro_float(x, 1);
+}
+
+static void metro_stop(t_metro *x)
+{
+    metro_float(x, 0);
+}
+
+static void metro_ft1(t_metro *x, t_floatarg g)
+{
+    if (g < 1) g = 1;
+    x->x_deltime = g;
+}
+
+static void metro_free(t_metro *x)
+{
+    clock_free(x->x_clock);
+}
+
+static void *metro_new(t_floatarg f)
+{
+    t_metro *x = (t_metro *)pd_new(metro_class);
+    metro_ft1(x, f);
+    x->x_hit = 0;
+    x->x_clock = clock_new(x, (t_method)metro_tick);
+    outlet_new(&x->x_obj, gensym("bang"));
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("ft1"));
+    return (x);
+}
+
+static void metro_setup(void)
+{
+    metro_class = class_new(gensym("metro"), (t_newmethod)metro_new,
+        (t_method)metro_free, sizeof(t_metro), 0, A_DEFFLOAT, 0);
+    class_addbang(metro_class, metro_bang);
+    class_addmethod(metro_class, (t_method)metro_stop, gensym("stop"), 0);
+    class_addmethod(metro_class, (t_method)metro_ft1, gensym("ft1"),
+        A_FLOAT, 0);
+    class_addfloat(metro_class, (t_method)metro_float);
+}
+
+/* -------------------------- line ------------------------------ */
+static t_class *line_class;
+
+typedef struct _line
+{
+    t_object x_obj;
+    t_clock *x_clock;
+    double x_targettime;
+    t_float x_targetval;
+    double x_prevtime;
+    t_float x_setval;
+    int x_gotinlet;
+    t_float x_grain;
+    double x_1overtimediff;
+    double x_in1val;
+} t_line;
+
+static void line_tick(t_line *x)
+{
+    double timenow = clock_getsystime();
+    double msectogo = - clock_gettimesince(x->x_targettime);
+    if (msectogo < 1E-9)
+    {
+        outlet_float(x->x_obj.ob_outlet, x->x_targetval);
+    }
+    else
+    {
+        outlet_float(x->x_obj.ob_outlet,
+            x->x_setval + x->x_1overtimediff * (timenow - x->x_prevtime)
+                * (x->x_targetval - x->x_setval));
+        clock_delay(x->x_clock,
+            (x->x_grain > msectogo ? msectogo : x->x_grain));
+    }
+}
+
+static void line_float(t_line *x, t_float f)
+{
+    double timenow = clock_getsystime();
+    if (x->x_gotinlet && x->x_in1val > 0)
+    {
+        if (timenow > x->x_targettime) x->x_setval = x->x_targetval;
+        else x->x_setval = x->x_setval + x->x_1overtimediff *
+            (timenow - x->x_prevtime)
+            * (x->x_targetval - x->x_setval);
+        x->x_prevtime = timenow;
+        x->x_targettime = clock_getsystimeafter(x->x_in1val);
+        x->x_targetval = f;
+        line_tick(x);
+        x->x_gotinlet = 0;
+        x->x_1overtimediff = 1./ (x->x_targettime - timenow);
+        clock_delay(x->x_clock,
+            (x->x_grain > x->x_in1val ? x->x_in1val : x->x_grain));
+    
+    }
+    else
+    {
+        clock_unset(x->x_clock);
+        x->x_targetval = x->x_setval = f;
+        outlet_float(x->x_obj.ob_outlet, f);
+    }
+    x->x_gotinlet = 0;
+}
+
+static void line_ft1(t_line *x, t_floatarg g)
+{
+    x->x_in1val = g;
+    x->x_gotinlet = 1;
+}
+
+static void line_stop(t_line *x)
+{
+    x->x_targetval = x->x_setval;
+    clock_unset(x->x_clock);
+}
+
+static void line_free(t_line *x)
+{
+    clock_free(x->x_clock);
+}
+
+static void *line_new(t_floatarg f, t_floatarg grain)
+{
+    t_line *x = (t_line *)pd_new(line_class);
+    x->x_targetval = x->x_setval = f;
+    x->x_gotinlet = 0;
+    x->x_1overtimediff = 1;
+    x->x_clock = clock_new(x, (t_method)line_tick);
+    x->x_targettime = x->x_prevtime = clock_getsystime();
+    if (grain <= 0) grain = 20;
+    x->x_grain = grain;
+    outlet_new(&x->x_obj, gensym("float"));
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("float"), gensym("ft1"));
+    return (x);
+}
+
+static void line_setup(void)
+{
+    line_class = class_new(gensym("line"), (t_newmethod)line_new,
+        (t_method)line_free, sizeof(t_line), 0, A_DEFFLOAT, A_DEFFLOAT, 0);
+    class_addmethod(line_class, (t_method)line_ft1,
+        gensym("ft1"), A_FLOAT, 0);
+    class_addmethod(line_class, (t_method)line_stop,
+        gensym("stop"), 0);
+    class_addfloat(line_class, (t_method)line_float);
+}
+
+/* -------------------------- timer ------------------------------ */
+static t_class *timer_class;
+
+typedef struct _timer
+{
+    t_object x_obj;
+    t_time x_settime;
+} t_timer;
+
+static void timer_bang(t_timer *x)
+{
+    x->x_settime = clock_getsystime();
+}
+
+static void timer_bang2(t_timer *x)
+{
+    t_time diff = clock_gettimesince(x->x_settime);
+    outlet_float(x->x_obj.ob_outlet, diff);
+}
+
+static void *timer_new(t_floatarg f)
+{
+    t_timer *x = (t_timer *)pd_new(timer_class);
+    timer_bang(x);
+    outlet_new(&x->x_obj, gensym("float"));
+    inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("bang"), gensym("bang2"));
+    return (x);
+}
+
+static void timer_setup(void)
+{
+    timer_class = class_new(gensym("timer"), (t_newmethod)timer_new, 0,
+        sizeof(t_timer), 0, A_DEFFLOAT, 0);
+    class_addbang(timer_class, timer_bang);
+    class_addmethod(timer_class, (t_method)timer_bang2, gensym("bang2"), 0);
+}
+
+
+/* -------------------------- pipe -------------------------- */
+
+static t_class *pipe_class;
+
+typedef struct _hang
+{
+    t_clock *h_clock;
+    struct _hang *h_next;
+    struct _pipe *h_owner;
+    t_gpointer *h_gp;
+    union word h_vec[1];        /* not the actual number. */
+} t_hang;
+
+typedef struct pipeout
+{
+    t_atom p_atom;
+    t_outlet *p_outlet;
+} t_pipeout;
+
+typedef struct _pipe
+{
+    t_object x_obj;
+    int x_n;
+    int x_nptr;
+    float x_deltime;
+    t_pipeout *x_vec;
+    t_gpointer *x_gp;
+    t_hang *x_hang;
+} t_pipe;
+
+static void *pipe_new(t_symbol *s, int argc, t_atom *argv)
+{
+    t_pipe *x = (t_pipe *)pd_new(pipe_class);
+    t_atom defarg, *ap;
+    t_pipeout *vec, *vp;
+    t_gpointer *gp;
+    int nptr = 0;
+    int i;
+    float deltime;
+    if (argc)
+    {
+        if (argv[argc-1].a_type != A_FLOAT)
+        {
+            char stupid[80];
+            atom_string(&argv[argc-1], stupid, 79);
+            post("pipe: %s: bad time delay value", stupid);
+            deltime = 0;
+        }
+        else deltime = argv[argc-1].a_w.w_float;
+        argc--;
+    }
+    else deltime = 0;
+    if (!argc)
+    {
+        argv = &defarg;
+        argc = 1;
+        SETFLOAT(&defarg, 0);
+    }
+    x->x_n = argc;
+    vec = x->x_vec = (t_pipeout *)getbytes(argc * sizeof(*x->x_vec));
+
+    for (i = argc, ap = argv; i--; ap++)
+        if (ap->a_type == A_SYMBOL && *ap->a_w.w_symbol->s_name == 'p')
+            nptr++;
+
+    gp = x->x_gp = (t_gpointer *)t_getbytes(nptr * sizeof (*gp));
+    x->x_nptr = nptr;
+
+    for (i = 0, vp = vec, ap = argv; i < argc; i++, ap++, vp++)
+    {
+        if (ap->a_type == A_FLOAT)
+        {
+            vp->p_atom = *ap;
+            vp->p_outlet = outlet_new(&x->x_obj, &s_float);
+            if (i) floatinlet_new(&x->x_obj, &vp->p_atom.a_w.w_float);
+        }
+        else if (ap->a_type == A_SYMBOL)
+        {
+            char c = *ap->a_w.w_symbol->s_name;
+            if (c == 's')
+            {
+                SETSYMBOL(&vp->p_atom, &s_symbol);
+                vp->p_outlet = outlet_new(&x->x_obj, &s_symbol);
+                if (i) symbolinlet_new(&x->x_obj, &vp->p_atom.a_w.w_symbol);
+            }
+            else if (c == 'p')
+            {
+                vp->p_atom.a_type = A_POINTER;
+                vp->p_atom.a_w.w_gpointer = gp;
+                gpointer_init(gp);
+                vp->p_outlet = outlet_new(&x->x_obj, &s_pointer);
+                if (i) pointerinlet_new(&x->x_obj, gp);
+                gp++;
+            }
+            else
+            {
+                if (c != 'f') error("pack: %s: bad type",
+                    ap->a_w.w_symbol->s_name);
+                SETFLOAT(&vp->p_atom, 0);
+                vp->p_outlet = outlet_new(&x->x_obj, &s_float);
+                if (i) floatinlet_new(&x->x_obj, &vp->p_atom.a_w.w_float);
+            }
+        }
+    }
+    floatinlet_new(&x->x_obj, &x->x_deltime);
+    x->x_hang = 0;
+    x->x_deltime = deltime;
+    return (x);
+}
+
+static void hang_free(t_hang *h)
+{
+    t_pipe *x = h->h_owner;
+    t_gpointer *gp;
+    int i;
+    for (gp = h->h_gp, i = x->x_nptr; i--; gp++)
+        gpointer_unset(gp);
+    freebytes(h->h_gp, x->x_nptr * sizeof(*h->h_gp));
+    clock_free(h->h_clock);
+    freebytes(h, sizeof(*h) + (x->x_n - 1) * sizeof(*h->h_vec));
+}
+
+static void hang_tick(t_hang *h)
+{
+    t_pipe *x = h->h_owner;
+    t_hang *h2, *h3;
+    t_pipeout *p;
+    int i;
+    union word *w;
+    if (x->x_hang == h) x->x_hang = h->h_next;
+    else for (h2 = x->x_hang; h3 = h2->h_next; h2 = h3)
+    {
+        if (h3 == h)
+        {
+            h2->h_next = h3->h_next;
+            break;
+        }
+    }
+    for (i = x->x_n, p = x->x_vec + (x->x_n - 1), w = h->h_vec + (x->x_n - 1);
+        i--; p--, w--)
+    {
+        switch (p->p_atom.a_type)
+        {
+        case A_FLOAT: outlet_float(p->p_outlet, w->w_float); break;
+        case A_SYMBOL: outlet_symbol(p->p_outlet, w->w_symbol); break;
+        case A_POINTER:
+            if (gpointer_check(w->w_gpointer, 1))
+                outlet_pointer(p->p_outlet, w->w_gpointer);
+            else post("pipe: stale pointer");
+            break;
+        }
+    }
+    hang_free(h);
+}
+
+static void pipe_list(t_pipe *x, t_symbol *s, int ac, t_atom *av)
+{
+    t_hang *h = (t_hang *)
+        getbytes(sizeof(*h) + (x->x_n - 1) * sizeof(*h->h_vec));
+    t_gpointer *gp, *gp2;
+    t_pipeout *p;
+    int i, n = x->x_n;
+    t_atom *ap;
+    t_word *w;
+    h->h_gp = (t_gpointer *)getbytes(x->x_nptr * sizeof(t_gpointer));
+    if (ac > n) ac = n;
+    for (i = 0, gp = x->x_gp, p = x->x_vec, ap = av; i < ac;
+        i++, p++, ap++)
+    {
+        switch (p->p_atom.a_type)
+        {
+        case A_FLOAT: p->p_atom.a_w.w_float = atom_getfloat(ap); break;
+        case A_SYMBOL: p->p_atom.a_w.w_symbol = atom_getsymbol(ap); break;
+        case A_POINTER:
+            gpointer_unset(gp);
+            if (ap->a_type != A_POINTER)
+                post("pipe: bad pointer");
+            else
+            {
+                *gp = *(ap->a_w.w_gpointer);
+                if (gp->gp_stub) gp->gp_stub->gs_refcount++;
+            }
+            gp++;
+        }
+    }
+    for (i = 0, gp = x->x_gp, gp2 = h->h_gp, p = x->x_vec, w = h->h_vec;
+        i < n; i++, p++, w++)
+    {
+        if (p->p_atom.a_type == A_POINTER)
+        {
+            if (gp->gp_stub) gp->gp_stub->gs_refcount++;
+            w->w_gpointer = gp2;
+            *gp2++ = *gp++;
+        }
+        else *w = p->p_atom.a_w;
+    }
+    h->h_next = x->x_hang;
+    x->x_hang = h;
+    h->h_owner = x;
+    h->h_clock = clock_new(h, (t_method)hang_tick);
+    clock_delay(h->h_clock, (x->x_deltime >= 0 ? x->x_deltime : 0));
+}
+
+static void pipe_flush(t_pipe *x)
+{
+    while (x->x_hang) hang_tick(x->x_hang);
+}
+
+static void pipe_clear(t_pipe *x)
+{
+    t_hang *hang;
+    while (hang = x->x_hang)
+    {
+        x->x_hang = hang->h_next;
+        hang_free(hang);
+    }
+}
+
+static void pipe_setup(void)
+{
+    pipe_class = class_new(gensym("pipe"), 
+        (t_newmethod)pipe_new, (t_method)pipe_clear,
+        sizeof(t_pipe), 0, A_GIMME, 0);
+    class_addlist(pipe_class, pipe_list);
+    class_addmethod(pipe_class, (t_method)pipe_flush, gensym("flush"), 0);
+    class_addmethod(pipe_class, (t_method)pipe_clear, gensym("clear"), 0);
+}
+
+void x_time_setup(void)
+{
+    delay_setup();
+    metro_setup();
+    line_setup();
+    timer_setup();
+    pipe_setup();
+}