valut/event.c at main · disusdev/valut · GitHub

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#include "event.h"
#include "xeno.h"

#define MAX_EVENT_LISTENERS 16

static event_t event;
static event_data_t event_funcs[MAX_EVENT_LISTENERS];
static uint32_t event_func_counter;

void
b_event_clear() {
    x_mem_set(&event, 0, sizeof(event_t));
    event_func_counter = 0;
}

int
b_event_register(event_kind_t kind,
                 event_func_t event_func) {
    if (event_func_counter < MAX_EVENT_LISTENERS)
    {
        event_funcs[event_func_counter++] = (event_data_t){ kind, event_func };
        return 1;
    }
    return 0;
}

event_t*
b_event_handle_get() {
    return &event;
}

void
b_event_dispatch(event_kind_t kind) {
    b_event_dispatch_ext(kind, &event);
}

void
b_event_dispatch_ext(event_kind_t kind, event_t* e) {
    e->kind = kind;
    int i;
    for(i = 0; i < event_func_counter; i++)
    {
        if (event_funcs[i].kind == kind)
        {
            event_funcs[i].func(e);
        }
    }
}