| 1 | /* code for the "obj5" pd class. This shows "gimme" arguments, which have |
| 2 | variable arguments parsed by the routines (both "new" and "rats".) */ |
| 3 | |
| 4 | #include "m_pd.h" |
| 5 | |
| 6 | typedef struct obj5 |
| 7 | { |
| 8 | t_object x_ob; |
| 9 | } t_obj5; |
| 10 | |
| 11 | /* the "rats" method is called with the selector (just "rats" again) |
| 12 | and an array of the typed areguments, which are each either a number |
| 13 | or a symbol. We just print them out. */ |
| 14 | void obj5_rats(t_obj5 *x, t_symbol *selector, int argcount, t_atom *argvec) |
| 15 | { |
| 16 | int i; |
| 17 | post("rats: selector %s", selector->s_name); |
| 18 | for (i = 0; i < argcount; i++) |
| 19 | { |
| 20 | if (argvec[i].a_type == A_FLOAT) |
| 21 | post("float: %f", argvec[i].a_w.w_float); |
| 22 | else if (argvec[i].a_type == A_SYMBOL) |
| 23 | post("symbol: %s", argvec[i].a_w.w_symbol->s_name); |
| 24 | } |
| 25 | } |
| 26 | |
| 27 | t_class *obj5_class; |
| 28 | |
| 29 | /* same for the "new" (creation) routine, except that we don't have |
| 30 | "x" as an argument since we have to create "x" in this routine. */ |
| 31 | void *obj5_new(t_symbol *selector, int argcount, t_atom *argvec) |
| 32 | { |
| 33 | t_obj5 *x = (t_obj5 *)pd_new(obj5_class); |
| 34 | int i; |
| 35 | post("new: selector %s", selector->s_name); |
| 36 | for (i = 0; i < argcount; i++) |
| 37 | { |
| 38 | if (argvec[i].a_type == A_FLOAT) |
| 39 | post("float: %f", argvec[i].a_w.w_float); |
| 40 | else if (argvec[i].a_type == A_SYMBOL) |
| 41 | post("symbol: %s", argvec[i].a_w.w_symbol->s_name); |
| 42 | } |
| 43 | return (void *)x; |
| 44 | } |
| 45 | |
| 46 | void obj5_setup(void) |
| 47 | { |
| 48 | /* We specify "A_GIMME" as creation argument for both the creation |
| 49 | routine and the method (callback) for the "rats" message. */ |
| 50 | obj5_class = class_new(gensym("obj5"), (t_newmethod)obj5_new, |
| 51 | 0, sizeof(t_obj5), 0, A_GIMME, 0); |
| 52 | class_addmethod(obj5_class, (t_method)obj5_rats, gensym("rats"), A_GIMME, 0); |
| 53 | } |
| 54 | |