void
exercise(int i, boolean inc_or_dec)
{
if (i == A_INT || i == A_CHA)
return; /* can't exercise these */
/* no physical exercise while polymorphed; the body's temporary */
if (Upolyd && i != A_WIS)
return;
if (abs(AEXE(i)) < AVAL) {
/*
* Law of diminishing returns (Part I):
*
* Gain is harder at higher attribute values.
* 79% at "3" --> 0% at "18"
* Loss is even at all levels (50%).
*
* Note: *YES* ACURR is the right one to use.
*/
AEXE(i) += (inc_or_dec) ? (rn2(19) > ACURR(i)) : -rn2(2);
}
if (moves > 0 && (i == A_STR || i == A_CON))
encumber_msg();
}
void exerchk (void) {
int i, mod_val;
/* Check out the periodic accumulations */
exerper();
/* Are we ready for a test? */
if(moves >= next_check && !multi) {
/*
* Law of diminishing returns (Part II):
*
* The effects of "exercise" and "abuse" wear
* off over time. Even if you *don't* get an
* increase/decrease, you lose some of the
* accumulated effects.
*/
for(i = 0; i < A_MAX; AEXE(i++) /= 2) {
if(ABASE(i) >= 18 || !AEXE(i)) continue;
if(i == A_INT || i == A_CHA) continue;/* can't exercise these */
/*
* Law of diminishing returns (Part III):
*
* You don't *always* gain by exercising.
* [MRS 92/10/28 - Treat Wisdom specially for balance.]
*/
if(rn2(AVAL) > ((i != A_WIS) ? abs(AEXE(i)*2/3) : abs(AEXE(i))))
continue;
mod_val = sgn(AEXE(i));
if(adjattrib(i, mod_val, -1)) {
/* if you actually changed an attrib - zero accumulation */
AEXE(i) = 0;
/* then print an explanation */
switch(i) {
case A_STR: You((mod_val >0) ?
"must have been exercising." :
"must have been abusing your body.");
break;
case A_WIS: You((mod_val >0) ?
"must have been very observant." :
"haven't been paying attention.");
break;
case A_DEX: You((mod_val >0) ?
"must have been working on your reflexes." :
"haven't been working on reflexes lately.");
break;
case A_CON: You((mod_val >0) ?
"must be leading a healthy life-style." :
"haven't been watching your health.");
break;
}
}
}
next_check += rn1(200,800);
}
}
