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Update gain_skill function with timers

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kinther 2025-08-19 13:56:23 -07:00
parent 3560427902
commit cf621e02c1
4 changed files with 66 additions and 11 deletions
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56
src/limits.c
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@ -23,6 +23,7 @@
#include "fight.h"
#include "screen.h"
#include "mud_event.h"
#include <time.h>
/* local file scope function prototypes */
static int graf(int grafage, int p0, int p1, int p2, int p3, int p4, int p5, int p6);
@ -221,30 +222,65 @@ void run_autowiz(void)
#endif /* CIRCLE_UNIX || CIRCLE_WINDOWS */
}
/* Requires: find_skill_num(), GET_WIS(), wis_app[], GET_SKILL(), SET_SKILL(), rand_number()
* Cooldown: 1 hour - 5 * WIS bonus minutes (floored at 0)
* Rolls: failure -> 1..20, success -> 1..100
* Cap: 90% (change MIN(90, ...) if you want a different cap)
*/
void gain_skill(struct char_data *ch, char *skill, bool success)
{
int skill_num, base, roll, increase;
int wisb, cd_seconds;
time_t now;
if (IS_NPC(ch))
return;
/* Resolve index and validate against table size */
skill_num = find_skill_num(skill);
if (skill_num <= 0)
if (skill_num <= 0 || skill_num > MAX_SKILLS)
return;
base = GET_SKILL(ch, skill_num);
/* Respect per-skill cooldown: do nothing if still cooling down */
now = time(0);
if (GET_SKILL_NEXT_GAIN(ch, skill_num) != 0 &&
now < GET_SKILL_NEXT_GAIN(ch, skill_num)) {
return;
}
if (success) { /* learning from successes is more difficult */
roll = rand_number(1, 400);
if (roll >= (400 - (wis_app[GET_WIS(ch)].bonus) * 4)) {
increase = base + 1;
SET_SKILL(ch, skill_num, MIN(90, increase));
}
} else { /* learning from failures is easier */
base = GET_SKILL(ch, skill_num);
/* If already capped, bail early (and don’t start cooldown) */
if (base >= 90)
return;
/* Wisdom bonus from wis_app[] (constants.c). Higher = better learning & shorter cooldown. */
wisb = wis_app[GET_WIS(ch)].bonus;
if (success) {
/* Learning from success is harder: 1..100, threshold scales with WIS */
roll = rand_number(1, 100);
if (roll >= (100 - wis_app[GET_WIS(ch)].bonus)) {
/* Old 1..400 with (400 - wisb*4) ⇒ scaled: (100 - wisb) */
if (roll >= (100 - wisb)) {
increase = base + 1;
SET_SKILL(ch, skill_num, MIN(90, increase));
/* Cooldown only when an increase actually happens */
cd_seconds = 3600 - (wisb * 5 * 60); /* 1 hour - 5 * WIS minutes */
if (cd_seconds < 0) cd_seconds = 0;
GET_SKILL_NEXT_GAIN(ch, skill_num) = now + cd_seconds;
}
} else {
/* Learning from failure is easier: 1..20, threshold scales with WIS */
roll = rand_number(1, 20);
/* Old 1..100 with (100 - wisb) ⇒ scaled: (20 - wisb) */
if (roll >= (20 - wisb)) {
increase = base + 1;
SET_SKILL(ch, skill_num, MIN(90, increase));
/* Cooldown only when an increase actually happens */
cd_seconds = 3600 - (wisb * 5 * 60); /* 1 hour - 5 * WIS minutes */
if (cd_seconds < 0) cd_seconds = 0;
GET_SKILL_NEXT_GAIN(ch, skill_num) = now + cd_seconds;
}
}
}