bool
is_hearing (struct anim *k0, struct anim *k1)
{
struct pos p0, p1;
survey (_m, pos, &k0->f, NULL, &p0, NULL);
survey ((k0->f.dir == LEFT) ? _mr : _ml,
pos, &k1->f, NULL, &p1, NULL);
pos2room (&p1, p0.room, &p1);
return p1.room == p0.room
&& (is_kid_run (&k1->f)
|| is_kid_stop_run (&k1->f)
|| is_kid_jump_landing (&k1->f)
|| is_kid_run_jump_running (&k1->f)
|| is_kid_run_jump_landing (&k1->f)
|| (is_kid_couch (&k1->f)
&& k1->fall)
|| k1->action == kid_take_sword);
}
void
compute_spikes_floors (void)
{
size_t i, j;
struct pos pm;
for (i = 0; i < spikes_floor_nmemb; i++) {
struct spikes_floor *s = &spikes_floor[i];
if (s->inactive) continue;
int state = s->state;
switch (s->i) {
case 0: if (should_spikes_raise (&s->p) || s->activate) {
alert_guards (&s->p);
play_sample (spikes_sample, &s->p, -1);
s->i++;
s->wait = 12;
s->state = 1;
} else if (s->state != 0) s->state = 0;
break;
case 1:
s->i++;
s->state = 2;
break;
case 2:
s->i++;
s->state = 3;
break;
case 3:
s->i++;
s->state = 4;
break;
case 4: if (! should_spikes_raise (&s->p)) {
if (s->wait-- == 0) {
s->i++;
s->state = 3;
} else s->state = 5;
} else {
s->state = 5;
}
break;
case 5:
s->i++;
s->state = 2;
break;
case 6:
s->i = 0;
s->state = 1;
s->activate = false;
break;
}
if (state != s->state)
register_changed_pos (&s->p, CHPOS_SPIKES);
/* spike kid */
for (j = 0; j < anima_nmemb; j++) {
struct anim *a = &anima[j];
if (is_kid_dead (&a->f)
|| a->immortal
|| a->spikes_immune) continue;
survey (_m, pos, &a->f, NULL, &pm, NULL);
if (peq (&pm, &s->p)
&& (((s->state >= 2 && s->state <= 4)
&& (is_kid_start_run (&a->f)
|| is_kid_run (&a->f)
|| is_kid_run_jump_running (&a->f)))
|| (is_kid_couch (&a->f) && a->fall && a->i < 3
&& ! a->float_timer)
|| (is_kid_jump_landing (&a->f) && a->i <= 13)
|| is_kid_run_jump_landing (&a->f))) {
a->p = s->p;
anim_die_spiked (a);
}
}
}
}