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/*
* Copyright (c) 1997-1999 Mark Danks.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
*/
#include "m_pd.h"
/* -------------------------- gem_counter ------------------------------ */
/* instance structure */
static t_class *gem_counter_class;
typedef struct _gem_counter
{
t_object x_obj; /* obligatory object header */
int c_current; /* current number */
int c_high; /* highest number */
int c_low; /* lowest number */
int c_updown; /* 0 = going up, 1 = going down */
int c_dir; /* gem_counter dir. 1=up, 2=down, 3=up/down */
t_outlet *t_out1; /* the outlet */
t_outlet *t_out2; /* the outlet */
} t_gem_counter;
void gem_counter_bang(t_gem_counter *x)
{
int sendBang = 0;
switch(x->c_dir)
{
// count up
case 1:
x->c_current++;
if (x->c_current > x->c_high)
x->c_current = x->c_low;
else if (x->c_current < x->c_low)
x->c_current = x->c_low;
else if (x->c_current == x->c_high)
sendBang = 1;
break;
// count down
case 2:
x->c_current--;
if (x->c_current < x->c_low)
x->c_current = x->c_high;
else if (x->c_current > x->c_high)
x->c_current = x->c_high;
else if (x->c_current == x->c_low)
sendBang = 1;
break;
// count up and down
case 3:
// going up
if (x->c_updown == 0)
{
x->c_current++;
if (x->c_current > x->c_high)
{
x->c_current = x->c_high - 1;
x->c_updown = 1;
}
else if (x->c_current < x->c_low)
x->c_current = x->c_low;
else if (x->c_current == x->c_high)
sendBang = 1;
}
// going down
else if (x->c_updown == 1)
{
x->c_current--;
if (x->c_current < x->c_low)
{
x->c_current = x->c_low + 1;
x->c_updown = 0;
}
else if (x->c_current > x->c_high)
x->c_current = x->c_high;
else if (x->c_current == x->c_low)
sendBang = 1;
}
else
{
error("up/down wrong");
return;
}
break;
default:
error("dir wrong");
return;
}
outlet_float(x->t_out1, (float)x->c_current);
if (sendBang)
outlet_bang(x->t_out2);
}
void gem_counter_dir(t_gem_counter *x, t_floatarg n)
{
if (n == 1 || n == 2 || n == 3) x->c_dir = (int)n;
else error("bad dir");
}
void gem_counter_high(t_gem_counter *x, t_floatarg n)
{
x->c_high = (int)n;
}
void gem_counter_low(t_gem_counter *x, t_floatarg n)
{
x->c_low = (int)n;
}
void gem_counter_reset(t_gem_counter *x, t_symbol *s, int argc, t_atom *argv)
{
if (!argc)
{
switch(x->c_dir)
{
case 1:
x->c_current = x->c_low;
break;
case 2:
x->c_current = x->c_high;
break;
case 3:
if (x->c_updown == 0) x->c_current = x->c_low;
else if (x->c_updown == 1) x->c_current = x->c_high;
break;
default:
return;
}
}
else
{
switch(argv[0].a_type)
{
case A_FLOAT :
x->c_current = (int)argv[0].a_w.w_float;
break;
default :
error ("gem_counter: reset not float");
break;
}
}
outlet_float(x->t_out1, (float)x->c_current);
}
void gem_counter_clear(t_gem_counter *x, t_symbol *s, int argc, t_atom *argv)
{
if (!argc)
{
switch(x->c_dir)
{
case 1:
x->c_current = x->c_low - 1;
break;
case 2:
x->c_current = x->c_high + 1;
break;
case 3:
if (x->c_updown == 0) x->c_current = x->c_low - 1;
else if (x->c_updown == 1) x->c_current = x->c_high + 1;
break;
default:
break;
}
}
else
{
switch(argv[0].a_type)
{
case A_FLOAT :
x->c_current = (int)argv[0].a_w.w_float - 1;
break;
default :
error ("gem_counter: reset not float");
break;
}
}
}
void *gem_counter_new(t_floatarg f, t_floatarg g, t_floatarg h) /* init vals in struc */
{
t_gem_counter *x = (t_gem_counter *)pd_new(gem_counter_class);
x->t_out1 = outlet_new(&x->x_obj, 0);
x->t_out2 = outlet_new(&x->x_obj, 0);
inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("fl1"));
inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("fl2"));
inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_float, gensym("fl3"));
x->c_current = 0;
x->c_updown = 0;
if (h)
{
gem_counter_low(x, f);
gem_counter_high(x, g);
gem_counter_dir(x, h);
}
else if (g)
{
x->c_dir = 1;
gem_counter_low(x, f);
gem_counter_high(x, g);
}
else if (f)
{
x->c_dir = x->c_low = 1;
gem_counter_high(x, f);
}
else
{
x->c_dir = x->c_low = 1;
x->c_high = 10;
}
return (x);
}
void gem_counter_setup(void)
{
gem_counter_class = class_new(gensym("gem_counter"), (t_newmethod)gem_counter_new, 0,
sizeof(t_gem_counter), 0, A_DEFFLOAT, A_DEFFLOAT, A_DEFFLOAT, 0);
class_addbang(gem_counter_class, (t_method)gem_counter_bang);
class_addmethod(gem_counter_class, (t_method)gem_counter_dir, gensym("fl1"), A_FLOAT, 0);
class_addmethod(gem_counter_class, (t_method)gem_counter_low, gensym("fl2"), A_FLOAT, 0);
class_addmethod(gem_counter_class, (t_method)gem_counter_high, gensym("fl3"), A_FLOAT, 0);
class_addmethod(gem_counter_class, (t_method)gem_counter_reset, gensym("reset"), A_GIMME, 0);
class_addmethod(gem_counter_class, (t_method)gem_counter_clear, gensym("clear"), A_GIMME, 0);
#if PD_MINOR_VERSION < 37
class_sethelpsymbol(gem_counter_class, gensym("gem_counter-help.pd"));
#endif
}
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