server/src/automate.c

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8.2 KiB
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#include <platform.h>
#include "kernel/config.h"
#include "kernel/faction.h"
#include "kernel/messages.h"
#include "kernel/order.h"
#include "kernel/region.h"
#include "kernel/unit.h"
#include "kernel/pool.h"
#include "kernel/item.h"
#include "util/keyword.h"
#include "util/log.h"
#include "util/stats.h"
#include "automate.h"
#include "laws.h"
#include "study.h"
#include <stdlib.h>
#include <assert.h>
static int cmp_scholars(const void *lhs, const void *rhs) {
const scholar *a = (const scholar *)lhs;
const scholar *b = (const scholar *)rhs;
int diff = b->level - a->level;
return (diff != 0) ? diff : b->u->number - a->u->number;
}
int autostudy_init(scholar scholars[], int max_scholars, unit **units, skill_t *o_skill)
{
unit *unext = NULL, *u = *units;
faction *f = u->faction;
int nscholars = 0;
skill_t skill = NOSKILL;
while (u) {
if (!fval(u, UFL_MARK)) {
keyword_t kwd = init_order(u->thisorder, u->faction->locale);
if (kwd == K_AUTOSTUDY) {
if (f == u->faction) {
unext = u->next;
if (long_order_allowed(u, false)) {
scholar * st = scholars + nscholars;
skill_t sk = getskill(u->faction->locale);
if (skill == NOSKILL && sk != NOSKILL) {
skill = sk;
if (o_skill) {
*o_skill = skill;
}
}
if (check_student(u, u->thisorder, sk)) {
if (sk == skill) {
fset(u, UFL_MARK);
st->level = (short)effskill_study(u, sk);
st->learn = 0;
st->u = u;
if (++nscholars >= max_scholars) {
log_warning("you must increase MAXSCHOLARS");
break;
}
}
}
else {
fset(u, UFL_MARK);
}
}
}
}
}
u = u->next;
}
while (unext && unext->faction != f) {
unext = unext->next;
}
*units = unext;
if (nscholars > 0) {
qsort(scholars, nscholars, sizeof(scholar), cmp_scholars);
}
return nscholars;
}
static void teaching(scholar *s, int n) {
assert(n <= s->u->number);
// doppelter Effekt mit Lehrer:
s->learn += n;
s->u->flags |= UFL_LONGACTION;
}
static void learning(scholar *s, int n) {
assert(n <= s->u->number);
s->learn += n;
s->u->flags |= UFL_LONGACTION;
}
void autostudy_run(scholar scholars[], int nscholars)
{
int ti = 0;
while (ti != nscholars) {
int t, ts = 0, tt = 0, si = ti, mint = 0, ns = 0;
for (t = ti; t != nscholars; ++t) {
ts += scholars[t].u->number; /* count total scholars */
mint = (ts + 10) / 11; /* need a minimum of ceil(ts/11) teachers */
for (; mint > tt && si != nscholars; ++si) {
tt += scholars[si].u->number;
}
}
if (mint < tt) {
/* die Einheit si-1 hat einen Mix aus Lehrer und Sch<63>ler */
--si;
ns = tt - mint;
}
/* now si splits the teachers and students 1:10 */
/* first student must be 2 levels below first teacher: */
for (; si != nscholars; ++si) {
if (scholars[si].level + TEACHDIFFERENCE <= scholars[ti].level) {
break;
}
ns = 0;
}
/* now si is the first unit we can teach, if we can teach any */
if (si == nscholars) {
/* there are no students, so standard learning for everyone */
for (t = ti; t != nscholars; ++t) {
learning(scholars + t, scholars[t].u->number);
}
}
else {
/* invariant: unit ti can still teach i students */
int i = scholars[ti].u->number * STUDENTS_PER_TEACHER;
/* invariant: unit si has n students that can still be taught */
int s, n = (ns > 0) ? ns : scholars[si].u->number;
for (t = ti, s = si; t != si && s != nscholars; ) {
if (i >= n) {
/* t has more than enough teaching capacity for s */
i -= n;
teaching(scholars + s, n);
learning(scholars + s, scholars[s].u->number);
/* next student, please: */
if (++s == nscholars) {
/* no more students */
break;
}
n = scholars[s].u->number;
}
else {
/* a part of s gets credited and we need a new teacher: */
teaching(scholars + s, i);
/* we still need to teach n students in this unit: */
n -= i;
i = 0;
/* we want a new teacher for s. if any exists, it's next in the sequence. */
if (++t == si) {
continue;
}
if (scholars[t].level - TEACHDIFFERENCE < scholars[s].level) {
/* no remaining teacher can teach this student, so we skip ahead */
do {
/* remaining students learn without a teacher: */
learning(scholars + s, n);
if (++s == nscholars) {
break;
}
n = scholars[s].u->number;
} while (scholars[t].level - TEACHDIFFERENCE < scholars[s].level);
}
i = scholars[t].u->number * STUDENTS_PER_TEACHER;
}
}
if (i > 0) {
int remain = (STUDENTS_PER_TEACHER * scholars[t].u->number - i + STUDENTS_PER_TEACHER - 1) / STUDENTS_PER_TEACHER;
/* teacher has remaining time */
learning(scholars + t, remain);
}
++t;
for (; t < si; ++t) {
/* teachers that did not teach */
learning(scholars + t, scholars[t].u->number);
}
for (; s < nscholars; ++s) {
/* students that were not taught */
learning(scholars + s, scholars[s].u->number);
}
}
ti = nscholars;
}
}
void do_autostudy(region *r)
{
static int config;
static int batchsize = MAXSCHOLARS;
static int max_scholars;
scholar scholars[MAXSCHOLARS];
unit *u;
if (config_changed(&config)) {
batchsize = config_get_int("automate.batchsize", MAXSCHOLARS);
assert(batchsize <= MAXSCHOLARS);
}
for (u = r->units; u; u = u->next) {
if (is_paused(u->faction)) continue;
if (!fval(u, UFL_MARK)) {
unit *ulist = u;
int sum_scholars = 0;
while (ulist) {
skill_t skill = NOSKILL;
int i, nscholars = autostudy_init(scholars, batchsize, &ulist, &skill);
assert(ulist == NULL || ulist->faction == u->faction);
sum_scholars += nscholars;
if (sum_scholars > max_scholars) {
stats_count("automate.max_scholars", sum_scholars - max_scholars);
max_scholars = sum_scholars;
}
autostudy_run(scholars, nscholars);
for (i = 0; i != nscholars; ++i) {
int days = STUDYDAYS * scholars[i].learn;
int money = learn_skill(scholars[i].u, skill, days, 0);
if (money > 0) {
use_pooled(u, get_resourcetype(R_SILVER), GET_DEFAULT, money);
ADDMSG(&u->faction->msgs, msg_message("studycost",
"unit region cost skill", scholars[i].u, r, money, skill));
}
}
}
}
freset(u, UFL_MARK);
}
}